Chamfering device and chamfering method

Abstract

The invention discloses a chamfering device and a chamfering method. The chamfering device comprises a rack, a feeding module, a clamp module and a chamfering module. The feeding module is installed on the rack. The clamp module is used for fixing a to-be-machined product and installed at the driving end of the feeding module. The driving end of the feeding module can move along a first preset track and move the clamp module to a preset machining position. The chamfering module is installed on the rack and is configured to conduct chamfering machining on the to-be-machined product when the clamp module is located at the preset machining position. By means of the design, a machine can replace manual work to conduct chamfering machining on a product to be machined, industrial injury accidents are effectively reduced, personnel investment is reduced, and production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of processing equipment, and in particular to a chamfering device and a chamfering method. Background Art

[0002] For example, pipes, plates or frames usually need to be chamfered after being cast. Manual chamfering requires a handheld electric drill and each product to be processed needs to be locked and fixed. If the operator's handheld strength is reduced due to improper operation or long-term use of the electric drill, it is easy to cause work-related injuries, and the personnel input is high, time-consuming and labor-intensive. Summary of the invention

[0003] The embodiments of the present application provide a chamfering device and a chamfering method, in which a machine replaces manual labor to perform chamfering on a product to be processed, which can effectively reduce work-related accidents, reduce manpower input, and improve production efficiency.

[0004] In the first aspect, an embodiment of the present application provides a chamfering device; the chamfering device includes a frame, a feeding module, a clamp module and a chamfering module, the feeding module is installed on the frame, the clamp module is used to fix the product to be processed, the clamp module is installed on the driving end of the feeding module, the driving end of the feeding module can move along a first preset trajectory and move the clamp module to a preset processing position, the chamfering module is installed on the frame, and the chamfering module is configured to chamfer the product to be processed when the clamp module is in the preset processing position.

[0005] Based on the chamfering device in the embodiment of the present application, by designing a fixture module, the fixture module can effectively fix the product to be processed; by designing a feeding module, the feeding module can move the fixture module carrying the product to be added to a preset processing position; by designing a chamfering module, the chamfering module can perform chamfering on the product to be processed carried on the fixture module; in this way, the fixture module, the feeding module and the chamfering module cooperate with each other, so that the chamfering device can perform chamfering on the product to be processed, which can effectively reduce personnel input and improve processing efficiency; in this way, the fixture module and the feeding module cooperate so that the machine operator only needs to place the product to be processed on the fixture module and press the start button, and after the chamfering is completed, the machine operator can take the chamfered product out of the fixture module, and the machine operator does not need to manually move the product to be processed to the preset processing position, which can effectively reduce the possibility of work-related accidents caused by scratches by the chamfering module during operation.

[0006] In some of the embodiments, the feeding module includes a first conveying track and a first driving member; the first conveying track is installed on the frame, and the clamp module is slidably connected to the first conveying track; the driving end of the first driving member is connected to the clamp module, and the first driving member is configured to drive the clamp module to move along a first preset trajectory.

[0007] Based on the above embodiment, by designing the first driving member, the driving end of the first driving member can drive the clamp module to move along the first preset trajectory relying on the first conveying track, and move the clamp module carrying the product to be processed to the preset processing position. At this time, the chamfering module can chamfer the product to be processed.

[0008] In some embodiments, the first conveying track includes a first guide rail installed on the frame, the first guide rail extends along the first direction, and the clamp module is slidably connected to the first guide rail; the first driving member includes a first cylinder, the first cylinder is installed on the frame, the telescopic rod of the first cylinder is connected to the clamp module as the driving end of the first driving member, and the telescopic rod of the first cylinder performs telescopic movement along the first direction.

[0009] Based on the above embodiment, the telescopic rod of the first cylinder extends along the first direction, so that the clamp module connected thereto moves along the first direction to a preset processing position by relying on the first guide rail. At this time, the chamfering module can chamfer the product to be processed.

[0010] In some of the embodiments, the driving end of the feeding module can also move along a first preset trajectory and move the clamp module to a preset loading position; the chamfering device also includes a limit module, which is installed on the frame, and the limit module is configured to limit the product to be processed when the clamp module is in the preset loading position.

[0011] Based on the above embodiments, a limit module is designed. On the one hand, the limit module serves as a reference for measuring the size of the product to be processed. When the fixture module is in a preset processing position, the size of the product to be processed is determined by making the limit module contact with the product to be processed carried on the fixture module, using the position of the limit module as a reference.

[0012] In some embodiments, the chamfering module includes an adjustment module and a chamfering tool, the adjustment module is installed on a frame, and the chamfering tool is installed on the connecting end of the adjustment module; when the chamfering tool performs chamfering processing on multiple products to be processed in a first range of sizes, or the chamfering tool performs chamfering processing on multiple products to be processed in a second range of sizes, the adjustment module is configured to adjust the position of the chamfering tool according to the limit module, so that when the fixture module is in a preset processing position, the chamfering tool can contact the product to be processed to perform chamfering processing on different products to be processed; wherein, the first range of sizes is smaller than the second range of sizes.

[0013] Based on the above embodiments, by designing an adjustment module and a chamfering tool, when chamfering is performed successively on a plurality of products to be processed with a first range of sizes having a small difference in size, or when chamfering is performed successively on a plurality of products to be processed with a second range of sizes having a small difference in size, the limiting module serves as an adjustment reference of the adjustment module, and the adjustment module can adjust the position of the chamfering tool according to the limiting module, so that when the fixture module is in a preset processing position, the chamfering tool can contact the product to be processed, so as to perform chamfering on different products to be processed, thereby enhancing the applicability of the chamfering device.

[0014] In some of the embodiments, the limit module includes a limit member and a fastener, the limit member is installed on the frame and its position relative to the frame is adjustable, and the fastener is configured to lock or release the limit member to the frame; wherein, when the clamp module is in a preset loading position, the limit member is used to limit the product to be processed.

[0015] Based on the above embodiment, the machine operator can adjust the position of the limiter according to the different sizes of the products to be processed, so that the limiter contacts the products to be processed with different sizes, and lock or release the limiter to the frame through the fastener.

[0016] In some embodiments, the adjustment module includes a second conveying track, a chamfering motor and a second driving member; the second conveying track is installed on the frame; the chamfering motor is slidably connected to the second conveying track, and the rotating shaft of the chamfering motor serves as the connecting end of the adjustment module and is connected to the chamfering tool; the driving end of the second driving member is connected to the chamfering motor, and the second driving member is configured to drive the chamfering motor to move along a second preset trajectory.

[0017] Based on the above embodiment, by designing a second driving member, the driving end of the second driving member can drive the chamfering motor to move along the second preset trajectory relying on the second conveying track, and the chamfering tool connected to the rotating shaft of the chamfering motor can be adjusted to different positions, so that the chamfering tool can chamfer products of different sizes to be processed, thereby enhancing the applicability of the chamfering device.

[0018] In some embodiments, the chamfering device also includes an adjustment module installed on the frame, which is connected to the adjustment module; when the chamfering tool switches from chamfering the product to be processed in a first range of sizes to chamfering the product to be processed in a second range of sizes, or when the chamfering tool switches from chamfering the product to be processed in the second range of sizes to chamfering the product to be processed in the first range of sizes, the adjustment module is configured to adjust the position of the adjustment module in the second direction according to the limit module, so that when the fixture module is in a preset processing position, the chamfering tool can contact the product to be processed to perform chamfering on different products to be processed.

[0019] Based on the above embodiments, by designing an adjustment module, when switching from chamfering processing for products to be processed in a first range of sizes with a large size difference to chamfering processing for products to be processed in a second range of sizes, or switching from chamfering processing for products to be processed in a second range of sizes with a large size difference to chamfering processing for products to be processed in the first range of sizes, the adjustment module serves as an adjustment mechanism of the chamfering device to adjust the position of the adjustment module in the second direction, so as to further adjust the position of the chamfering tool, so that the chamfering tool can chamfer more products to be processed in different sizes, so as to further effectively enhance the applicability of the chamfering device.

[0020] In some embodiments, the adjustment module includes a bearing seat and an adjustment stud; the bearing seat is arranged on a frame, and the adjustment module is installed on the bearing seat; the adjustment stud is installed on the frame and connected to the bearing seat, and the adjustment stud is configured to adjust the position of the adjustment module in the second direction according to the limit module.

[0021] Based on the above embodiments, by designing an adjusting stud and a supporting seat, the adjusting stud rotates to drive the supporting seat connected thereto to move along the second direction, and the supporting seat moves along the second direction to drive the adjusting module connected thereto to move along the second direction, so as to further adjust the position of the chamfering tool, so that the chamfering tool can perform chamfering processing on products to be processed with a large difference in size (for example, switching from a first range of sizes to a second range of sizes), thereby further enhancing the applicability of the chamfering device.

[0022] In some of the embodiments, the fixture module includes a fixture body, a third driving member and a fixing member; the fixture body is used to carry the product to be processed, and the fixture body is installed at the driving end of the feeding module; the third driving member is installed on the fixture body; the fixing member is installed at the driving end of the third driving member; the third driving member is configured to drive the fixing member to move along a third preset trajectory toward the product to be processed so as to position the product to be processed on the fixture body; the third driving member is also configured to drive the fixing member to move along a third preset trajectory away from the product so that the chamfered product can be detached from the fixture body.

[0023] Based on the above embodiment, by designing a third driving member, the driving end of the third driving member can drive the fixing member to move along the third preset trajectory toward the product to be processed, so that the product to be processed is positioned on the fixture body through the fixing member, which is convenient for the subsequent chamfering module to chamfer the product to be processed; after the chamfering of the product is completed, the fixture module returns to the preset loading position, and the driving end of the third driving member drives the fixing member to move along the third preset trajectory away from the product. At this time, the machine operator can take the chamfered product out of the fixture body, and then put the new product to be processed on the fixture body; this cycle is repeated to achieve batch processing.

[0024] In some of the embodiments, the fixture module further includes a buffer member, which is disposed on a side of the fixing member facing the product to be processed.

[0025] Based on the above embodiments, by designing a buffer, the fixing member contacts the product to be processed through the buffer, which can effectively reduce the possibility of the fixing member wearing the surface of the product to be processed.

[0026] In a second aspect, an embodiment of the present application provides a chamfering method; the chamfering device includes a frame, a feeding module, a fixture module and a chamfering module, and the feeding module, the fixture module and the chamfering module are installed on the frame; the chamfering method uses the above-mentioned chamfering device to chamfer the product to be processed, and the chamfering method includes the following steps:

[0027] Step S101: When the fixture module is at a preset loading position, the product to be processed is fixed to the fixture module;

[0028] Step S102: driving the feeding module to move the clamp module along a first preset trajectory to a preset processing position;

[0029] Step S103: driving the chamfering module to perform chamfering on the product to be processed;

[0030] Step S104: After chamfering is completed, the feeding module is driven to move the clamp module along the first preset trajectory to the preset loading position, and the chamfered product is taken out from the clamp module.

[0031] Based on the chamfering method of the embodiment of the present application, when the fixture module is in the preset loading position, the product to be processed is fixed to the fixture module; the feeding module action can drive the fixture module to move along the first preset trajectory to the preset processing position; when the fixture module is in the preset processing position, the chamfering module action can chamfer the product to be processed carried on the fixture module. After the chamfering of the product is completed, the feeding module action can drive the fixture module to move along the first preset trajectory to the preset loading position; when the fixture module is in the preset loading position, the machine operator can remove the chamfered product from the fixture module and place the new product to be processed on the fixture module, and then press the start button to let the feeding module action move the fixture module carrying the product to be processed to the preset processing position. Such a cycle operation can achieve batch processing.

[0032] In some embodiments, the chamfering module includes an adjustment module and a chamfering tool, the adjustment module includes a second conveying track, a chamfering motor and a second driving member; the chamfering motor is slidably connected to the second conveying track, and the rotating shaft of the chamfering motor is connected to the chamfering tool; the driving end of the second driving member is drivingly connected to the chamfering motor; when the chamfering tool performs chamfering on a plurality of products to be processed in a first range of sizes, or the chamfering tool performs chamfering on a plurality of products to be processed in a second range of sizes larger than the first range of sizes; the above step S103 includes:

[0033] Step S201: driving the second driving member to move so that the chamfering motor moves along a second preset trajectory until the chamfering tool contacts the product to be processed;

[0034] Step S202: driving the chamfering motor to operate so that the chamfering motor performs chamfering on different products to be processed.

[0035] Based on the above embodiment, the action of the second driving member can drive the chamfering motor to move along the second preset trajectory relying on the second conveying track, and the chamfering tool connected to the rotating shaft of the chamfering motor can be adjusted to different positions, so that the chamfering tool can successively chamfer multiple products to be processed with a first range of sizes with a small difference in size, or successively chamfer multiple products to be processed with a second range of sizes with a small difference in size, so as to enhance the applicability of the chamfering device.

[0036] In some embodiments, the chamfering module includes an adjustment module and a chamfering tool, the adjustment module includes a second conveying track, a chamfering motor and a second driving member; the chamfering motor is slidably connected to the second conveying track, and the rotating shaft of the chamfering motor is connected to the chamfering tool; the driving end of the second driving member is connected to the chamfering motor; the chamfering device also includes an adjustment module, the adjustment module includes a bearing seat and an adjustment stud; the bearing seat is arranged on the frame, and the second conveying track is installed on the bearing seat; the adjustment stud is installed on the frame and is drivingly connected to the bearing seat; when the chamfering tool switches from chamfering the product to be processed in the first range of sizes to the product to be processed in the second range of sizes larger than the first range of sizes, or the chamfering tool switches from chamfering the product to be processed in the second range of sizes to chamfering the product to be processed in the first range of sizes; the above step S103 includes:

[0037] Step S301: driving the adjusting stud to adjust the position of the bearing seat relative to the frame in the second direction;

[0038] Step S302: driving the second driving member to move so that the chamfering motor moves along a second preset trajectory until the chamfering tool contacts the product to be processed;

[0039] Step S303: driving the chamfering motor to perform chamfering on different products to be processed.

[0040] Based on the above embodiment, the adjusting stud is rotated so that the adjusting stud drives the supporting seat to move relative to the frame along the second direction to change the position of the supporting seat, and then the second driving member drives the chamfering motor to move along the second preset trajectory to adjust the position of the chamfering tool to meet the demand of a larger adjustment stroke, so that the chamfering tool can switch from chamfering products to be processed in the first range of sizes to chamfering products to be processed in the second range of sizes with a larger size difference, or switch from chamfering products to be processed in the second range of sizes to chamfering products to be processed in the first range of sizes with a larger size difference.

[0041] In some embodiments, the chamfering device further includes a limit module, the limit module includes a limit member, the limit member is mounted on the frame and its position relative to the frame is adjustable; the fixture module includes a fixture body, a third driving member and a fixing member; the fixture body is used to carry the product to be processed, and the fixture body is installed at the driving end of the feeding module; the third driving member is installed on the fixture body; the fixing member is installed at the driving end of the third driving member; the above step S101 includes:

[0042] Step S401: placing the product to be processed on the fixture body, and adjusting the position of the limiter to determine the size range of the product to be processed;

[0043] Step S402: driving the third driving member to move, so that the fixing member moves along the third preset trajectory toward the product to be processed, so as to position the product to be processed on the fixture body.

[0044] Based on the above embodiment, when the product to be processed is placed on the fixture body, the position of the limiter relative to the frame is adjusted, and the size range of the product to be processed is determined. Specifically, the product to be processed is placed on the fixture body, the position of the limiter can be adjusted, and the end of the product to be processed is in contact with the limiter; the action of the third driving member can drive the fixing member to move along the third preset trajectory toward the product to be processed, so that the product to be processed is positioned on the fixture body through the fixing member, so that the subsequent chamfering module can perform precise chamfering on the product to be processed. After the chamfering of the product is completed, the feeding module drives the fixture body to move along the first preset trajectory to the preset loading position; when the fixture module is in the preset loading position, the action of the third driving member can drive the fixing member to move along the third preset trajectory away from the product. At this time, the machine operator can take the chamfered product out of the fixture body, and then put the new product to be processed on the fixture body, adjust the position of the limiter, and make the end of the new product to be processed contact with the limiter, and then press the start button to allow the feeding module to move the fixture body carrying the product to be processed to the preset processing position. Such cyclic operation can realize batch processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0046] Figure 1 This is a schematic structural diagram of a chamfering device in one embodiment of the present application;

[0047] Figure 2 This is a structural schematic diagram of a feeding module in an embodiment of the present application moving a clamp module to a preset processing position;

[0048] Figure 3 This is a structural schematic diagram of a feeding module in an embodiment of the present application moving a clamp module to a preset loading position;

[0049] Figure 4 A partial structural schematic diagram of a chamfering device in an embodiment of the present application;

[0050] Figure 5 A side view schematic diagram of a feeding module and a clamping module in one embodiment of the present application;

[0051] Figure 6 This is a front view schematic diagram of a feeding module, a clamping module and a limiting module in one embodiment of the present application;

[0052] Figure 7 This is a structural schematic diagram of a chamfering module performing chamfering processing on a product to be processed when the fixture module in one embodiment of the present application is in a preset processing position;

[0053] Figure 8 for Figure 7 A front view schematic diagram of

[0054] Fig. 9 This is a structural schematic diagram of a chamfering module and an adjustment module in one embodiment of the present application;

[0055] Fig.10 This is a schematic diagram of the structure of a clamp module in one embodiment of the present application pressing a product to be processed;

[0056] Fig.11 for Fig.10 A side view schematic diagram of

[0057] Fig.12 A schematic diagram of a chamfering method in one embodiment of the present application;

[0058] Fig.13A schematic diagram of a chamfering method in another embodiment of the present application;

[0059] Fig.14 This is a schematic flow chart of a chamfering method in another embodiment of the present application;

[0060] Fig.15 This is a schematic flow chart of a chamfering method in another embodiment of the present application;

[0061] Fig.16 The figure is a flow chart of a chamfering method in another embodiment of the present application.

[0062] Reference numerals: 1, chamfering device; 10, frame; 11, workbench; 12, cover; 13, slide rail; 20, feeding module; 21, first conveying track; 211, first guide rail; 22, first driving member; 221, first cylinder; 30, fixture module; 31, fixture body; 311, limit groove; 32, third driving member; 321, third cylinder; 33, fixing member; 34, buffer member; 35, start button; 40, chamfering module; 41, adjustment module; 411, second conveying track; 4111, second guide rail Rail; 412, chamfering motor; 413, second driving member; 4131, second cylinder; 414, slide; 415, baffle plate; 42, chamfering tool; 50, limit module; 51, limit member; 511, first limit plate; 512, second limit plate; 60, adjustment module; 61, bearing seat; 62, adjustment stud; 63, fixing seat; 70, control box; 71, button; 72, switch; 80, pause button; OO', first direction; PP', second direction; QQ', third direction; 2, products to be processed. DETAILED DESCRIPTION

[0063] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0064] Please refer to Figure 1-Figure 3 As shown, in the first aspect, the present application proposes a chamfering device 1, which can perform chamfering on a product 2 to be processed, thereby effectively reducing manpower input and improving production efficiency.

[0065] The chamfering device 1 includes a frame 10, a feeding module 20, a fixture module 30 and a chamfering module 40. The feeding module 20 is mounted on the frame 10. The fixture module 30 is used to fix the product 2 to be processed, and the fixture module 30 is mounted on the driving end of the feeding module 20; the driving end of the feeding module 20 can move along a first preset trajectory and move the fixture module 30 to a preset processing position. The chamfering module 40 is mounted on the frame 10, and the chamfering module 40 is configured to perform chamfering on the product 2 to be processed when the fixture module 30 is in the preset processing position.

[0066] The following combination Figure 1-Figure 11 The specific structure of the chamfering device 1 is introduced in detail; the chamfering device 1 can be used to chamfer the surface to be processed of the product 2 to be processed; wherein the product 2 to be processed can include but is not limited to pipes, plates or frame parts, etc.

[0067] like Figure 1-Figure 3 As shown, the chamfering device 1 includes a frame 10 , a clamp module 30 , a feeding module 20 and a chamfering module 40 .

[0068] The frame 10 serves as the frame of the chamfering device 1. The specific structure of the frame 10 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the frame 10 includes a workbench 11 and a cover 12, and the feeding module 20, the clamp module 30 and the chamfering module 40 are all installed on the workbench 11, and the cover 12 is connected to the workbench 11 and covers the table top of the workbench 11. The specific preparation material of the frame 10 is not limited here, and the designer can make a reasonable choice according to actual needs; for example, the preparation material of the frame 10 can be but is not limited to stainless steel or aluminum alloy. It is worth mentioning that the design of the cover 12 can realize a semi-enclosed or fully enclosed processing environment, which can effectively block the inhalation of harmful substances such as dust generated during the chamfering process of the chamfering module 40 on the product 2 to be processed.

[0069] The fixture module 30 is used as a bearing mechanism in the chamfering device 1 to bear and fix the product 2 to be processed; the specific structure of the fixture module 30 will be described in detail below.

[0070] The feeding module 20 is used as a transport mechanism in the chamfering device 1 to move the product 2 to be processed carried on the fixture module 30 to a preset processing position; the specific structure of the feeding module 20 will be described in detail below.

[0071] The feeding module 20 is installed on the frame 10; the specific connection method between the feeding module 20 and the frame 10 is not limited here, and the designer can make a reasonable design according to actual needs; for example, when the feeding module 20 and the frame 10 (specifically the above-mentioned workbench 11) are detachably connected, the feeding module 20 can be but is not limited to being fixedly connected to the frame 10 by at least one of screw connection, card connection or plug-in connection; for another example, when the feeding module 20 and the frame 10 are non-detachably connected, the feeding film group can be but is not limited to being fixedly connected to the frame 10 by welding.

[0072] The clamp module 30 is installed on the driving end of the feeding module 20; the specific connection method between the clamp module 30 and the driving end of the feeding module 20 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the clamp module 30 can be but is not limited to being detachably connected to the driving end of the feeding module 20 by at least one of screw connection, clip connection or plug-in connection; for another example, the clamp module 30 can also be but is not limited to being non-detachably connected to the driving end of the feeding module 20 by welding.

[0073] The driving end of the feeding module 20 can move along the first preset trajectory to drive the clamp module 30 connected thereto to move along the first preset trajectory. In other words, the clamp module 30 can move along the first preset trajectory driven by the driving end of the feeding module 20, or in other words, the driving end of the feeding module 20 (specifically the first driving member 22 described below) is configured to drive the clamp module 30 to move along the first preset trajectory. The first preset trajectory can be a straight line trajectory, a curved trajectory, or a combination of a straight line trajectory and a curved trajectory.

[0074] The fixture module 30 has a preset loading position (such as Figure 3 as shown) and preset processing positions (as shown Figure 2 As shown), the fixture module 30 can be moved to the preset processing position under the drive end of the feeding module 20; wherein, the "preset processing position" is the position of the fixture module 30 when the chamfering module 40 performs chamfering on the product 2 to be processed (as shown in FIG. Figure 2 The position of the fixture module 30 is shown).

[0075] like Figure 1-Figure 3 As shown, the chamfering module 40 is used as a chamfering mechanism of the chamfering device 1 to perform chamfering on the product 2 to be processed; the specific structure of the chamfering module 40 will be introduced in detail below.

[0076] The chamfering module 40 is installed on the frame 10; the specific connection method between the chamfering module 40 and the frame 10 is not limited here, and the designer can make a reasonable design according to actual needs; for example, when the position of the chamfering module 40 on the frame 10 cannot be adjusted, the chamfering module 40 can be, but is not limited to, detachably fixedly connected to the frame 10 by at least one of screw connection, clip connection or plug-in connection, and the chamfering module 40 can also be, but is not limited to, non-detachably fixedly connected to the frame 10 by welding.

[0077] The chamfering module 40 is configured to perform chamfering on the product 2 to be processed when the fixture module 30 is in the above-mentioned preset processing position. That is, only when the fixture module 30 is in the above-mentioned preset processing position, the chamfering module 40 is in a working state, and at this time, the chamfering module 40 can perform chamfering on the product 2 to be processed; on the contrary, when the fixture module 30 is in a position other than the above-mentioned preset processing position, the chamfering module 40 is in a non-working state, and at this time, the chamfering module 40 cannot perform chamfering on the product 2 to be processed.

[0078] It should be noted that the switching between the working state and the non-working state of the chamfering module 40 can be realized by manual operation or by automatic operation of the machine. For example, when the switching between the working state and the non-working state of the chamfering module 40 is realized by manual operation, the machine operator directly observes whether the fixture module 30 is transferred to the preset processing position through vision; if the fixture module 30 is observed to be transferred to the above-mentioned preset processing position, the machine operator turns on the corresponding switch to put the chamfering module 40 in the working state; if the fixture module 30 is observed not to be transferred to the above-mentioned preset processing position, the machine operator turns off the corresponding switch to put the chamfering module 40 in the non-working state. For another example, when the switching between the working state and the non-working state of the chamfering module 40 is achieved through automatic machine operation, the chamfering device 1 may also include a detection module (not shown in the figure) and a control module (not shown in the figure), the detection module is used to detect whether the fixture module 30 is moved to the preset processing position and generate a corresponding output signal, and the control module is electrically connected to the detection module and the chamfering module 40; if it is detected that the fixture module 30 is moved to the above-mentioned preset processing position, the detection module generates a first output signal (one of the above-mentioned output signals), and the control module controls the chamfering module 40 to be in a working state according to the first output signal; if it is detected that the fixture module 30 is not moved to the above-mentioned preset processing position, the detection module generates a second output signal (another of the above-mentioned output signals), and the control module controls the chamfering module 40 to be in a non-working state according to the second output signal.

[0079] It should be noted that the number of chamfering modules 40 can be one or more (more than two); for example, the product form of the product to be processed 2 is a pipe fitting as an example for explanation; when the number of chamfering modules 40 is one, the one chamfering module 40 can only chamfer one end of the pipe fitting; when the number of chamfering modules 40 is two, the chamfering module 40 has a single-sided chamfering state and a double-sided chamfering state, and the chamfering device 1 also includes a control electrical box 70, and the control electrical box 70 includes a button 71 and a switch 72. The machine operator can operate the button 71 to switch the chamfering module 40 between the single-sided chamfering state and the double-sided chamfering state. In the single-sided chamfering state, one of the two chamfering modules 40 performs chamfering on one end of the pipe fitting, and in the double-sided chamfering state, the two chamfering modules 40 perform chamfering on both ends of the pipe fitting.

[0080] Based on the chamfering device 1 in the embodiment of the present application, by designing the clamp module 30, the clamp module 30 can effectively fix the product to be processed 2; by designing the feeding module 20, the feeding module 20 can move the clamp module 30 carrying the product to be added to the preset processing position; by designing the chamfering module 40, the chamfering module 40 can chamfer the product to be processed 2 carried on the clamp module 30; in this way, the clamp module 30, the feeding module 20 and the chamfering module 40 cooperate with each other, so that the chamfering device 1 can chamfer the product to be processed. Chamfering the product 2 can effectively reduce manpower input and improve processing efficiency; the cooperation between the fixture module 30 and the feeding module 20 enables the machine operator to only place the product 2 to be processed on the fixture module 30 and press the start button, and after the chamfering is completed, the machine operator can take the chamfered product out of the fixture module 30. The machine operator does not need to manually move the product 2 to be processed to the preset processing position, which can effectively reduce the possibility of work-related accidents caused by scratches by the chamfering module 40 during operation.

[0081] like Figure 4-Figure 5 As shown, the feeding module 20 includes a first conveying track 21 and a first driving member 22; the first conveying track 21 is installed on the frame 10, and the clamp module 30 is slidably connected to the first conveying track 21; the driving end of the first driving member 22 is connected to the clamp module 30, and the first driving member 22 is configured to drive the clamp module 30 to move along a first preset trajectory.

[0082] Among them, the first conveying track 21 is used as a support track of the feeding module 20 for sliding connection with the clamp module 30; the specific connection method between the first conveying track 21 and the frame 10 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the first conveying track 21 can be but not limited to being detachably connected to the frame 10 by locking screws; for another example, the first conveying track 21 can also be but not limited to being non-detachably connected to the frame 10 by welding.

[0083] The first driving member 22, as the power source of the feeding module 20, is used to drive the clamp module 30 to move along the first preset track by relying on the first conveying track 21, wherein the first conveying track 21 extends along the first preset track. The specific form of the first driving member 22 is not limited here, and designers can make reasonable choices according to actual needs; for example, the first driving member 22 can be a cylinder, and the telescopic rod of the cylinder is fixedly connected to the clamp module 30 as the driving end; for another example, the first driving member 22 can also be a motor, and the driving shaft of the motor is fixedly connected to the clamp module 30 as the driving end. The specific connection method between the clamp module 30 and the driving end of the first driving member 22 is not limited here, and designers can make reasonable designs according to actual needs; for example, the clamp module 30 can be, but is not limited to, fixedly connected to the driving end of the first driving member 22 by locking screws.

[0084] By designing the first driving member 22, the driving end of the first driving member 22 can drive the clamp module 30 to move along the first preset track by relying on the first conveying track 21, and transfer the clamp module 30 carrying the product 2 to be processed to the preset processing position. At this time, the chamfering module 40 can chamfer the product 2 to be processed. After the product chamfering is completed, the driving end of the first driving member 22 can also drive the clamp module 30 to move along the first preset track by relying on the first conveying track 21 to the preset loading position (such as Figure 3 ), at this time, the machine operator can take out the product that has completed the chamfering process from the fixture module 30 and fix the new product 2 to be processed to the fixture module 30.

[0085] like Figure 4-Figure 5As shown, the first conveying track 21 includes a first guide rail 211 installed on the frame 10, the first guide rail 211 extends along the first direction OO', and the clamp module 30 is slidably connected to the first guide rail 211; the first driving member 22 includes a first cylinder 221, the first cylinder 221 is installed on the frame 10, and the telescopic rod of the first cylinder 221 is connected to the clamp module 30 as the driving end of the first driving member 22, and the telescopic rod of the first cylinder 221 performs telescopic movement along the first direction OO'. Among them, the first cylinder 221 can drive the clamp module 30 to perform telescopic movement along the first direction OO' (belonging to one of the motion trajectories of the above-mentioned first preset trajectory). In this design, the telescopic rod of the first cylinder 221 performs an extension movement along the first direction OO', so that the clamp module 30 connected thereto relies on the first guide rail 211 to move along the first direction OO' to the preset processing position, and at this time the chamfering module 40 can perform chamfering processing on the product 2 to be processed. After the product chamfering is completed, the telescopic rod of the first cylinder 221 retracts along the first direction OO', so that the clamp module 30 connected thereto moves along the first direction OO' to the preset loading position by relying on the first track. At this time, the machine operator can take out the product that has completed the chamfering process from the clamp module 30 and fix the new product 2 to be processed to the clamp module 30.

[0086] It should be noted that the first conveying track 21 may include at least one section of linear guide rail and / or at least one section of circular arc guide rail; however, no matter how many sections of linear guide rails and / or circular arc guide rails the first conveying track 21 is composed of, the designer may reasonably select the specific form of the first driving member 22 according to the specific shape of the first preset track corresponding to the assembled first conveying track 21; and in some cases, the feeding module 20 may also include a first reversing structure (such as a connecting rod mechanism), and the driving end of the first driving member 22 is connected to the clamp module 30 via the first reversing structure to adapt to the first preset track with a more complex shape.

[0087] In order to enable the chamfering module 40 to perform chamfering on products 2 of different sizes to be processed, the applicability of the chamfering device 1 is enhanced. Figure 4-Figure 9 As shown, the driving end of the feeding module 20 can also move along the first preset trajectory and move the clamp module 30 to the preset loading position. The chamfering device 1 also includes a limit module 50, which is installed on the frame 10. The limit module 50 is configured to limit the position of the product 2 to be processed when the clamp module 30 is in the preset loading position. The chamfering module 40 includes an adjustment module 41 and a chamfering tool 42; the adjustment module 41 is installed on the frame 10, and the chamfering tool 42 is installed on the connecting end of the adjustment module 41.

[0088] Among them, on the one hand, the limit module 50 serves as a reference for measuring the size of the product 2 to be processed. When the fixture module 30 is in the preset loading position, the size of the product 2 to be processed is determined by making the limit module 50 contact with the end of the product 2 to be processed carried on the fixture module 30, and taking the position of the limit module 50 as a reference; the specific structure of the limit module 50 will be introduced in detail below.

[0089] The adjustment module 41 is used as an adjustment structure of the chamfering module 40 to adjust the position of the chamfering tool 42 so that the chamfering tool 42 can chamfer products 2 of different sizes to be processed. The specific connection method between the adjustment module 41 and the frame 10 is not limited here, and the designer can make a reasonable design according to actual needs; for example, when the position of the adjustment module 41 on the frame 10 cannot be adjusted, the adjustment module 41 can be, but not limited to, detachably fixedly connected to the frame 10 by at least one of screw connection, card connection or plug connection, and the adjustment module 41 can also be, but not limited to, non-detachably fixedly connected to the frame 10 by welding.

[0090] The chamfering tool 42, as the chamfering structure of the chamfering module 40, is used to contact the surface to be processed of the product 2 to be processed so as to perform chamfering on the product 2. The specific connection method between the chamfering tool 42 and the connection end of the adjustment module 41 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the chamfering tool 42 can be, but is not limited to, detachably connected to the connection end of the adjustment module 41 by at least one of screw connection, clamping connection or plug connection, so as to facilitate the effective replacement of the worn tool at a later time.

[0091] On the other hand, the position limiting module 50 serves as the adjustment reference of the adjustment module 41; when the chamfering tool 42 performs chamfering on multiple products 2 to be processed in the first range of sizes, or when the chamfering tool 42 performs chamfering on multiple products 2 to be processed in the second range of sizes, the adjustment module 41 is configured to adjust the position of the chamfering tool 42 according to the position limiting module 50, so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact the product 2 to be processed, so as to perform chamfering on different products 2 to be processed. Among them, the first range of sizes is smaller than the second range of sizes, and the specific value range of the "first range of sizes" can be determined according to the size of the adjustment stroke of the adjustment module 41.

[0092] By designing the adjustment module 41 and the chamfering tool 42, when chamfering is performed successively on a plurality of products 2 to be processed with a first range of sizes with a small difference in size, or when chamfering is performed successively on a plurality of products 2 to be processed with a second range of sizes with a small difference in size, the limiting module 50 serves as an adjustment reference for the adjustment module 41. The adjustment module 41 can adjust the position of the chamfering tool 42 according to the limiting module 50, so that when the fixture module 30 is in a preset processing position, the chamfering tool 42 can contact with the product 2 to be processed, so as to perform chamfering on different products 2 to be processed, thereby enhancing the applicability of the chamfering device 1.

[0093] It should be noted that, for multiple products 2 to be processed of the same size, the limit module 50 can also be used as a limit reference for the products 2 to be processed. When the fixture module 30 is in the preset loading position, the products 2 to be processed carried on the fixture module 30 are in contact with the limit module 50, so that multiple products 2 to be processed of the same size can be fixedly placed in the same position of the fixture module 30 each time (that is, the position of the next product 2 to be processed will not be offset compared to the position of the previous product 2 to be processed), so as to ensure that the subsequent chamfering tool 42 can form effective contact with multiple products 2 to be processed of the same size.

[0094] It can be understood that the operation of the limiting module 50 to determine the size of the product 2 to be processed by contacting the product 2 to be processed carried on the clamp module 30 when the clamp module 30 is in a preset loading position can be achieved through manual operation or automatic machine operation.

[0095] For example, when it is implemented by manual operation, such as Figure 4-Figure 6 As shown, the limit module 50 includes a limit member 51 and a fastener (not shown in the figure); the limit member 51 is installed on the frame 10 and its position relative to the frame 10 is adjustable; the fastener is configured to lock or release the limit member 51 on the frame 10; when the clamp is in the above-mentioned preset loading position, the limit member 51 is used to contact the product 2 to be processed.

[0096] The specific form of the position limiter 51 is not limited here, and the designer can reasonably design it according to actual needs; for example, the position limiter 51 can be but is not limited to a calibration block or a calibration plate. The specific form of the fastener is not limited here, and the designer can reasonably design it according to actual needs; for example, the fastener can be a screw, in which case the position limiter 51 is locked or released to the frame 10 by locking the screw; for another example, the fastener can also be a latch, in which case the position limiter 51 is locked or released to the frame 10 by latching; for another example, the fastener can also be a latch, in which case the position limiter 51 is locked or released to the frame 10 by latching. Specifically, in one embodiment, the frame 10 has a first adjustment groove extending along the second direction PP', the limiting member 51 includes a rectangular first limiting plate 511 and an L-shaped second limiting plate 512, the first limiting plate 511 is connected to the second limiting plate 512 by means of locking screws, the end surface of the first limiting plate 511 is used to contact the end of the product 2 to be processed, and the second limiting plate 512 has a second adjustment groove extending along the second direction PP'; the fastener is a screw, and the screw is sequentially passed through the second adjustment groove and the first adjustment groove to position the second limiting plate 512 on the frame 10. In other embodiments, the frame 10 may be provided with a slide rail extending along the second direction PP' for the second limiting plate 512 to slide and adjust. The present application is not limited thereto.

[0097] The machine operator can adjust the position of the limiter 51 according to the different sizes of the products 2 to be processed, so that the limiter 51 contacts the products 2 to be processed of different sizes, and lock or release the limiter 51 to the frame 10 through the fastener.

[0098] For another example, when the machine is automatically operated, the limiting module 50 includes a driving member (not shown) and a limiting member 51, wherein the driving member is mounted on the frame 10 and the limiting member 51 is mounted on the driving end of the driving member. In this way, the position of the limiting member 51 can be adjusted according to the different sizes of the products 2 to be processed by the action of the driving member, so that the limiting member 51 contacts the products 2 to be processed of different sizes.

[0099] like Figure 7-Figure 9 As shown, the adjustment module 41 includes a second conveying rail 411, a chamfering motor 412 and a second driving member 413; the second conveying rail 411 is installed on the frame 10; the chamfering motor 412 is slidably connected to the second conveying rail 411, and the rotating shaft of the chamfering motor 412 is connected to the chamfering tool 42 as the connecting end of the adjustment module 41; the driving end of the second driving member 413 is connected to the chamfering motor 412, and the second driving member 413 is configured to drive the chamfering motor 412 to move along a second preset trajectory.

[0100] The second conveying track 411 is used as a support track of the adjustment module 41 for sliding connection with the chamfering motor 412. The chamfering motor 412 is used as one of the power sources of the adjustment module 41 to drive the chamfering tool 42 to rotate, so that the chamfering tool 42 can chamfer the product 2 to be processed. The adjustment module 41 may also include a slide 414, and the chamfering motor 412 is indirectly slidably connected to the second conveying track 411 through the slide 414. The second driving member 413 is used as another power source of the adjustment module 41 to drive the chamfering motor 412 to move along the second preset track by relying on the second conveying track 412, wherein the second conveying track 412 extends along the second preset track. The specific form of the second driving member 413 is not limited here, and designers can make reasonable choices according to actual needs; for example, the second driving member 413 can be a cylinder, the telescopic rod of the cylinder serves as the driving end, and the chamfering motor 412 is indirectly fixedly connected to the telescopic rod of the cylinder through the slide 414; for another example, the first driving member 22 can also be a motor, the driving shaft of the motor serves as the driving end, and the chamfering motor 412 is indirectly fixedly connected to the driving shaft of the stepping motor through the slide 414. The specific connection method between the slide 414 and the driving end of the second driving member 413 is not limited here, and designers can make reasonable designs according to actual needs; for example, the slide 414 can be, but is not limited to, fixedly connected to the driving end of the second driving member 413 by locking screws.

[0101] By designing the second driving member 413, the driving end of the second driving member 413 can drive the chamfering motor 412 to move along the second preset trajectory relying on the second conveying track 411, and the chamfering tool 42 connected to the rotating shaft of the chamfering motor 412 can be adjusted to different positions, so that the chamfering tool 42 can chamfer products 2 to be processed of different sizes, so as to enhance the applicability of the chamfering device 1.

[0102] like Figure 7-Figure 9 As shown, the second transport track includes a second guide rail 4111 installed on the frame 10, the second guide rail 4111 extends along the second direction PP', and the chamfering motor 412 is slidably connected to the second guide rail 4111 through a slide 414; the second driving member 413 includes a second cylinder 4131, the second cylinder 4131 is installed on the frame 10, and the telescopic rod of the second cylinder 4131 is connected to the slide 414 as the driving end of the second driving member 413, and the telescopic rod of the second cylinder 4131 performs telescopic movement along the second direction PP'. Among them, the second cylinder 4131 can drive the slide 414 and the chamfering motor 412 connected to the slide 414 to perform telescopic movement along the second direction PP' (belonging to one of the motion trajectories of the above-mentioned second preset trajectory).

[0103] It should be noted that the second conveying track 411 may include at least one section of linear guide rail and / or at least one section of circular arc guide rail; however, no matter how many sections of linear guide rails and / or circular arc guide rails the second conveying track 411 is composed of, the designers may reasonably select the specific form of the second driving member 413 according to the specific shapes of the second preset track corresponding to the assembled second conveying track 411; and in some cases, the adjustment module 41 may also include a second reversing structure (such as a connecting rod mechanism), and the driving end of the second driving member 413 is connected to the slide 414 via the second reversing structure to adapt to the second preset track with a more complex shape.

[0104] It should be noted that the adjustment module 41 adjusts the position of the chamfering tool 42 according to the limit module 50. The machine operator can directly observe visually and use the surface of the limit member 51 that contacts the product 2 to be processed as a reference plane. The position of the chamfering motor 412 is adjusted by the second drive member 413 to adjust the position of the chamfering tool 42 so that the cutting surface of the chamfering tool 42 intersects with the plane where the reference plane is located, so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact the product 2 to be processed; or the machine can automatically adjust to establish a functional relationship between the moving distance of the limit member 51 driven by the drive member and the moving distance of the chamfering motor 412 driven by the second drive member 413, so as to adjust the position of the chamfering tool 42 so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact the product 2 to be processed.

[0105] In order to enable the chamfering module 40 to perform chamfering on more products 2 of different sizes to be processed, the applicability of the chamfering device 1 is further effectively enhanced. Figure 6-Figure 9 As shown, the chamfering device 1 further includes an adjustment module 60, which is mounted on the frame 10 and connected to the adjustment module 41. When the chamfering tool 42 switches from the product 2 to be processed in the first range of sizes to the product 2 to be processed in the second range of sizes for chamfering, or when the chamfering tool 42 switches from the product 2 to be processed in the second range of sizes to the product 2 to be processed in the first range of sizes for chamfering, the adjustment module 60 is configured to adjust the position of the adjustment module 41 in the second direction PP' according to the limit module 50, so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact the product 2 to be processed, so as to perform chamfering on different products 2 to be processed.

[0106] Among them, the adjustment module 60 is used as an adjustment mechanism of the chamfering device 1 to adjust the position of the adjustment module 41 in the second direction PP', so as to further adjust the position of the chamfering tool 42. It should be noted that, for the above-mentioned first range of sizes of the product to be processed 2, adjusting the position of the chamfering tool 42 by the adjustment module 41 alone can meet the requirements of the adjustment stroke, and at this time, it is not necessary to adjust the position of the chamfering tool 42 by cooperating with the adjustment module 60; when the product to be processed 2 is switched from the first range of sizes of the product to be processed 2 to the second range of sizes of the product to be processed 2, or when the product to be processed 2 is switched from the second range of sizes of the product to be processed 2 to the first range of sizes of the product to be processed 2, adjusting the position of the chamfering tool 42 by the adjustment module 41 alone can no longer meet the requirements of the adjustment stroke, and at this time, it is necessary to adjust the position of the chamfering tool 42 by cooperating with the adjustment module 60 and the adjustment module 41 to meet the requirements of a larger adjustment stroke. Take the product 2 to be processed as a pipe as an example; for example, the first range size can be but not limited to the length of the pipe 20 cm-30 cm, and the corresponding second range size can be but not limited to the size of the pipe 31 cm-40 cm; for another example, the first range size can be but not limited to the length of the pipe 20 cm-40 cm, and the corresponding second range size can be but not limited to the length of the pipe 41 cm-60 cm; for another example, the first range size can be but not limited to the length of the pipe 20 cm-30 cm, and the corresponding second range size can be but not limited to the length of the pipe 40 cm-50 cm. The above is only an example. The present application does not specifically limit the specific size range values ​​of the first range size and the second range size. The example is only used to illustrate that the chamfering module 40 can perform chamfering processing on more products 2 to be processed with different sizes. When it is necessary to process two products 2 to be processed with a small difference in size one after another (for example, both products 2 to be processed are in the first range size or the second range size), adjusting the position of the chamfering tool 42 by adjusting the adjustment module 41 alone can meet the requirements of adjusting the stroke. When it is necessary to process two products 2 to be processed with a large size difference one after another (for example, one of them is a product 2 to be processed with a size within a first range, and the other is a product 2 to be processed with a size within a second range), it is necessary to use the adjustment module 60 to adjust the position of the adjustment module 41 in the second direction PP' to adapt to the products 2 to be processed with a large size difference.

[0107] It can be understood that the operation of the adjustment module 60 adjusting the position of the regulating module 41 in the second direction PP′ can be achieved through manual operation or automatic operation of a machine.

[0108] For example, when it is implemented by manual operation, such as Figure 7-Figure 9As shown, the adjustment module 60 includes a bearing seat 61 and an adjusting stud 62; the bearing seat 61 is arranged on the frame 10, and the adjustment module 41 is installed on the bearing seat 61; the adjusting stud 62 is installed on the frame 10 and connected to the bearing seat 61, and the adjusting stud 62 is configured to adjust the position of the adjustment module 41 in the second direction PP' according to the limiting module 50.

[0109] The bearing seat 61 is slidably connected to the slide rail 13 of the frame 10 ; the second conveying rail 411 and the second driving member 413 are both installed on the bearing seat 61 .

[0110] By designing the adjusting stud 62 and the supporting seat 61, the adjusting stud 62 rotates to drive the supporting seat 61 connected thereto to move along the second direction PP', and the supporting seat 61 moves along the second direction PP' to drive the adjusting module 41 connected thereto to move along the second direction PP', so as to further adjust the position of the chamfering tool 42, so that the chamfering tool 42 can chamfer the product 2 to be processed with a large size difference (for example, switching from the first range of sizes to the second range of sizes), thereby further enhancing the applicability of the chamfering device 1.

[0111] Of course, if Figure 7-Figure 9 As shown, the adjustment module 60 may also include a fixing seat 63, which may be fixedly connected to the frame 10 by, but not limited to, screwing or welding; the adjustment stud 62 is rotatably connected to the fixing seat 63, and the adjustment stud 62 may be fixedly connected to the bearing seat 61 by, but not limited to, screwing or welding. The adjustment module 41 may also include a baffle plate 415, which is located at the front end of the chamfering motor 412 and connected to the slide 414, and the rotating shaft of the chamfering motor 412 passes through the baffle plate 415 and is connected to the chamfering tool 42. By designing the baffle plate 415, the baffle plate 415 can block the chamfering waste, so as to effectively reduce the possibility of the chamfering waste splashing to the position where the rotating shaft of the chamfering motor 412 is located, thereby avoiding the chamfering motor 412 from getting stuck.

[0112] For example, when it is realized by automatic machine operation, the adjustment module 60 includes a bearing seat 61 and another driving member (not shown in the figure, it can be a cylinder or a motor); the bearing seat 61 is arranged on the frame 10, and the adjustment module 41 is installed on the bearing seat 61; another driving member is installed on the frame 10, and the driving end of the other driving member is connected to the bearing seat 61, and the other driving member is configured to adjust the position of the adjustment module 41 in the second direction PP' according to the limit module 50. In this way, the other driving member drives the bearing seat 61 connected thereto to move along the second direction PP', and the bearing seat 61 moves along the second direction PP' to drive the adjustment module 41 connected thereto to move along the second direction PP', so as to further adjust the position of the chamfering tool 42, so that the chamfering tool 42 can perform chamfering processing on objects with large size differences (for example, switching from the first range of sizes to the second range of sizes), thereby further enhancing the applicability of the chamfering device 1.

[0113] It should be noted that the adjustment module 60 adjusts the position of the adjustment module 41 in the second direction PP' according to the limit module 50. The machine operator can directly observe visually and use the surface of the limit member 51 in contact with the product 2 to be processed as the reference plane. By rotating the adjusting stud 62, the position of the adjustment module 41 in the second direction PP' is adjusted so that the cutting surface of the chamfering tool 42 intersects with the plane where the reference plane is located, so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact with the product 2 to be processed. The machine can also automatically adjust to establish a functional relationship between the moving distance of the limit member 51 driven by the driving member and the moving distance of the supporting seat 61 driven by another driving member, so as to adjust the position of the adjustment module 41 in the second direction PP' so that when the fixture module 30 is in the preset processing position, the chamfering tool 42 can contact with the product 2 to be processed.

[0114] like Figure 10-11 As shown, the clamp module 30 includes a clamp body 31, a third driving member 32 and a fixing member 33; the clamp body 31 is used to carry the product 2 to be processed, and the clamp body 31 is installed at the driving end of the feeding module 20; the third driving member 32 is installed on the clamp body 31; the fixing member 33 is installed at the driving end of the third driving member 32; the third driving member 32 is configured to drive the fixing member 33 to move along a third preset trajectory toward the product 2 to be processed, so as to position the product 2 to be processed on the clamp body 31; the third driving member 32 is also configured to drive the fixing member 33 to move along a third preset trajectory away from the product, so that the chamfered product can be separated from the clamp body 31.

[0115] Among them, the clamp body 31 is used as the bearing structure of the clamp module 30 to bear the product to be processed 2; for example, the clamp body 31 has a limit groove 311 for bearing the product to be processed 2. The specific structure of the clamp body 31 is not limited here, and the designer can reasonably design the structure of the clamp body 31 according to the product form of the product to be processed 2; the specific connection method between the clamp body 31 and the driving end of the feeding module 20 is not limited here, and the designer can reasonably design it according to actual needs; for example, the clamp body 31 can be, but is not limited to, detachably fixedly connected to the driving end of the feeding module 20 (specifically the first driving member 22 mentioned above) by at least one of screw connection, clamp connection or plug connection.

[0116] The fixing member 33 is used as a positioning structure of the fixture module 30 to fix the product 2 to be processed, so as to achieve relative fixation between the product 2 to be processed and the fixture body 31. The specific structure of the fixing member 33 is not limited here, and the designer can reasonably design it according to actual needs; for example, the fixing member 33 can be, but is not limited to, a fixing block or a fixing plate.

[0117] The third driving member 32 is used as the power source of the clamp module 30 to drive the fixing member 33 to move along the third preset trajectory, so that the product 2 to be processed is positioned on the clamp body 31 through the fixing member 33; the specific form of the third driving member 32 is not limited here, and the designer can make a reasonable choice according to actual needs; for example, the third driving member 32 can be a cylinder, and the telescopic rod of the cylinder is fixedly connected to the fixing member 33 as the driving end; for another example, the third driving member 32 can also be a motor, and the driving shaft of the motor is fixedly connected to the fixing member 33 as the driving end. The specific connection method between the third driving member 32 and the clamp body 31 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the third driving member 32 can be, but not limited to, fixedly connected to the clamp body 31 by locking screws. The specific connection method between the fixing member 33 and the driving end of the third driving member 32 is not limited here, and the designer can make a reasonable design according to actual needs; for example, the fixing member 33 can be, but not limited to, fixedly connected to the driving end of the third driving member 32 by locking screws.

[0118] By designing the third driving member 32, the driving end of the third driving member 32 can drive the fixing member 33 to move along the third preset trajectory toward the product to be processed 2, so that the product to be processed 2 is positioned on the fixture body 31 through the fixing member 33, so that it is convenient for the subsequent chamfering module 40 to chamfer the product to be processed 2; after the chamfering of the product is completed, the fixture module 30 returns to the preset loading position, and the driving end of the third driving member 32 drives the fixing member 33 to move along the third preset trajectory away from the product. At this time, the machine operator can take the chamfered product out of the fixture body 31, and then put the new product to be processed 2 on the fixture body 31; the operation is cyclically carried out to realize batch processing.

[0119] like Figure 10-11 As shown, the third driving member 32 includes a third cylinder 321, and the third cylinder 321 is installed on the clamp body 31. The telescopic rod of the third cylinder 321 is connected to the fixing member 33 as the driving end of the third driving member 32, and the telescopic rod of the third cylinder 321 performs telescopic movement along the third direction QQ'. Among them, the third cylinder 321 can drive the fixing member 33 to perform telescopic movement along the third direction QQ' (belonging to one of the motion trajectories of the third preset trajectory mentioned above). In this design, the telescopic rod of the third cylinder 321 performs an extension movement along the third direction QQ', so that the fixing member 33 connected thereto moves along the third direction QQ', so as to press the product 2 to be processed, and realize the relative fixation of the position between the product 2 to be processed and the clamp body 31.

[0120] like Figure 10-11 As shown, the fixture module 30 also includes a buffer 34, which is arranged on the side of the fixing member 33 facing the product 2 to be processed. The buffer 34 can be, but not limited to, a buffer gasket or a buffer block; the specific preparation material of the buffer 34 can be, but not limited to, elastic rubber, elastic silicone, sponge, etc. The buffer 34 can be, but not limited to, detachably connected to the fixing member 33 by at least one of screw connection, snap connection, plug connection or bonding, so as to facilitate the replacement of the worn buffer 34 later. By designing the buffer 34, the fixing member 33 contacts the product 2 to be processed through the buffer 34, which can effectively reduce the possibility of the fixing member 33 wearing the surface of the product 2 to be processed.

[0121] Of course, in other embodiments, the fixing member 33 itself may also be made of a material with good elasticity such as elastic rubber or elastic silicone, and in this case, the clamp module 30 does not include the above-mentioned buffer member 34 .

[0122] Please refer to Figure 12-16 As shown, in the second aspect, the present application proposes a chamfering method, which uses the above-mentioned chamfering device 1 to perform chamfering on the product 2 to be processed, which can effectively reduce manpower input and improve production efficiency.

[0123] like Fig.12As shown, Fig.12 Schematic diagram of a chamfering method in an embodiment of the present application. The chamfering method includes step S101, step S102, step S103 and step S104, specifically:

[0124] Step S101: When the fixture module 30 is at a preset loading position (such as Figure 3 As shown), the product 2 to be processed is fixed to the fixture module 30;

[0125] Step S102: Drive the feeding module 20 to move the clamping module 30 along the first preset trajectory to a preset processing position (such as Figure 2 shown);

[0126] Step S103: driving the chamfering module 40 to operate, so that the chamfering module 40 performs chamfering on the product 2 to be processed;

[0127] Step S104 : After chamfering is completed, the feeding module 20 is driven to move until the clamp module 30 moves along the first preset trajectory to the preset loading position, and the chamfered product is taken out from the clamp module 30 .

[0128] It should be noted that when the fixture module 30 is in the preset loading position, the product 2 to be processed is fixed to the fixture module 30; the feeding module 20 can drive the fixture module 30 to move along the first preset track to the preset processing position; when the fixture module 30 is in the preset processing position, the chamfering module 40 can chamfer the product 2 to be processed carried on the fixture module 30. After the chamfering of the product is completed, the feeding module 20 can drive the fixture module 30 to move along the first preset track to the preset loading position; when the fixture module 30 is in the preset loading position, the machine operator can take the chamfered product out of the fixture module 30, and place the new product 2 to be processed on the fixture module 30, and then press the start button to let the feeding module 20 move to move the fixture module 30 carrying the product 2 to be processed to the preset processing position. Such a cyclic operation is carried out to achieve batch processing.

[0129] Furthermore, if Fig.13 As shown, Fig.13It is a flow chart of the chamfering method in another embodiment of the present application. The chamfering module 40 includes an adjustment module 41 and a chamfering tool 42. The adjustment module 41 includes a second conveying track 411, a chamfering motor 412 and a second driving member 413; the chamfering motor 412 is slidably connected to the second conveying track 411, and the rotating shaft of the chamfering motor 412 is connected to the chamfering tool 42; the driving end of the second driving member 413 is drivingly connected to the chamfering motor 412. When the chamfering tool 42 performs chamfering on a plurality of products 2 to be processed in a first range of sizes, or the chamfering tool 42 performs chamfering on a plurality of products 2 to be processed in a second range of sizes larger than the first range of sizes; step S103 includes step S201 and step S202, specifically:

[0130] Step S201: driving the second driving member 413 to move the chamfering motor 412 along a second preset trajectory, so that the chamfering tool 42 contacts the product 2 to be processed;

[0131] Step S202: driving the chamfering motor 412 to operate so that the chamfering motor 412 performs chamfering on different products 2 to be processed.

[0132] It should be noted that the action of the second driving member 413 can drive the chamfering motor 412 to move along the second preset trajectory relying on the second conveying track 411, and the chamfering tool 42 connected to the rotating shaft of the chamfering motor 412 can be adjusted to different positions, so that the chamfering tool 42 can successively chamfer multiple products 2 to be processed with a first range of sizes with a small difference in size, or successively chamfer multiple products 2 to be processed with a second range of sizes with a small difference in size, so as to enhance the applicability of the chamfering device 1.

[0133] Furthermore, if Fig.14 As shown, Fig.14It is a flow chart of the chamfering method in another embodiment of the present application. The chamfering module 40 includes an adjustment module 41 and a chamfering tool 42. The adjustment module 41 includes a second conveying track 411, a chamfering motor 412 and a second driving member 413. The chamfering motor 412 is slidably connected to the second conveying track 411, and the rotating shaft of the chamfering motor 412 is connected to the chamfering tool 42. The driving end of the second driving member 413 is connected to the chamfering motor 412. The chamfering device 1 also includes an adjustment module 60. The adjustment module 60 includes a bearing seat 61 and an adjustment stud 62. The bearing seat 61 is arranged on the frame 10, and the second conveying track 411 is installed on the bearing seat 61. The adjustment stud 62 is installed on the frame 10 and is drivingly connected to the bearing seat 61. When the chamfering tool 42 switches from processing the product 2 of the first range of sizes to processing the product 2 of the second range of sizes larger than the first range of sizes for chamfering, or the chamfering tool 42 switches from processing the product 2 of the second range of sizes to processing the product 2 of the first range of sizes for chamfering; step S103 includes steps S301, S302 and S303, specifically:

[0134] Step S301: driving the adjusting screw 62 to adjust the position of the supporting base 61 relative to the frame 10 in the second direction PP′;

[0135] Step S302: driving the second driving member 413 to move the chamfering motor 412 along a second preset trajectory until the chamfering tool 42 contacts the product 2 to be processed;

[0136] Step S303: driving the chamfering motor 412 to operate so that the chamfering motor 412 performs chamfering on different products 2 to be processed.

[0137] It should be noted that when switching from chamfering processing for the product 2 to be processed in the first range of sizes to chamfering processing for the product 2 to be processed in the second range of sizes with a larger size difference, or switching from chamfering processing for the product 2 to be processed in the second range of sizes to chamfering processing for the product 2 to be processed in the first range of sizes with a larger size difference, the position of the chamfering tool 42 can no longer be adjusted by driving the chamfering motor 412 along the second preset trajectory by the second driving member 413. At this time, it is necessary to rotate the adjusting stud 62 so that the adjusting stud 62 drives the supporting seat 61 to move along the second direction PP' relative to the frame 10 to change the position of the supporting seat 61, and then cooperate with the second driving member 413 to drive the chamfering motor 412 along the second preset trajectory to adjust the position of the chamfering tool 42 to meet the demand for a larger adjustment stroke.

[0138] Furthermore, if Fig.15 As shown, Fig.15It is a flow chart of the chamfering method in another embodiment of the present application. The chamfering device 1 also includes a limit module 50; the limit module 50 includes a limit member 51; the limit member 51 is installed on the frame 10 and its position relative to the frame 10 is adjustable. The clamp module 30 includes a clamp body 31, a third driving member 32 and a fixing member 33; the clamp body 31 is used to carry the product 2 to be processed, and the clamp body 31 is installed on the driving end of the feeding module 20; the third driving member 32 is installed on the clamp body 31; the fixing member 33 is installed on the driving end of the third driving member 32. Step S101 includes step S401 and step S402, specifically:

[0139] Step S401: placing the product 2 to be processed on the fixture body 31, and adjusting the position of the limiter 51 to determine the size range of the product 2 to be processed;

[0140] Step S402 : driving the third driving member 32 to move, so that the fixing member 33 moves along the third preset trajectory toward the product 2 to be processed, so as to position the product 2 to be processed on the fixture body 31 .

[0141] It should be noted that when the product 2 to be processed is placed on the fixture body 31, the position of the stopper 51 relative to the frame 10 is adjusted, and the size range of the product 2 to be processed is determined. Specifically, the product 2 to be processed is placed on the fixture body 31, the position of the stopper 51 can be adjusted, and the end of the product 2 to be processed is brought into contact with the stopper 51; the third driving member 32 is actuated to drive the fixing member 33 to move toward the product 2 to be processed along the third preset trajectory, so that the product 2 to be processed is positioned on the fixture body 31 through the fixing member 33, so that the subsequent chamfering module 40 can perform precise chamfering on the product 2 to be processed. After the chamfering of the product is completed, the feeding module 20 drives the fixture body 31 to move along the first preset trajectory to the preset loading position; when the fixture module 30 is in the preset loading position, the action of the third driving member 32 can drive the fixing member 33 to move along the third preset trajectory away from the product. At this time, the machine operator can take the chamfered product out of the fixture body 31, and then put the new product 2 to be processed on the fixture body 31, adjust the position of the limit member 51, and let the end of the new product 2 to be processed contact with the limit member 51, and then press the start button to allow the feeding module 20 to move the fixture body 31 carrying the product 2 to be processed to the preset processing position. This cycle of operation can achieve batch processing. In addition, if Figure 3As shown, the fixture module 30 also includes two start buttons 35 disposed on the frame 10. The machine operator needs to press the two start buttons 35 at the same time to enable the third driving member 32 to drive the fixing member 33 to move along the third preset trajectory toward the product 2 to be processed. This can effectively reduce or even avoid the possibility of accidentally injuring the machine operator due to one-handed pressing. The chamfering device 1 also includes a pause button 80. The pause button 80 is disposed on the frame 10. The machine operator can press the pause button 80 at any time according to actual needs to put the entire chamfering device 1 in a pause state.

[0142] like Fig.16 As shown, Fig.16 The following is a flow chart of a chamfering method in another embodiment of the present application. The steps of the chamfering method are briefly summarized as follows:

[0143] Step S401: placing the product 2 to be processed on the fixture body 31, and adjusting the position of the limiter 51 to determine the size range of the product 2 to be processed;

[0144] Step S402: driving the third driving member 32 to move, so that the fixing member 33 moves along the third preset trajectory toward the product to be processed 2, so as to position the product to be processed 2 on the fixture body 31;

[0145] Step S102: driving the feeding module 10 to move the clamping module 30 along a first preset trajectory to a preset processing position;

[0146] When chamfering is performed on products 2 to be processed with a small size difference (for example, the products to be processed that are processed successively are all within the first range of sizes or are all within the second range of sizes), the position of the chamfering tool 42 is adjusted according to the position of the limiter 51, specifically: step S201: drive the second drive member 413 to move the chamfering motor 412 along the second preset trajectory until the chamfering tool 42 contacts the product to be processed 2; step S202: drive the chamfering motor 412 to move, so that the chamfering motor 412 performs chamfering on different products to be processed 2;

[0147] When chamfering is performed on products 2 to be processed with greatly different sizes (for example, one of the products to be processed is a product 2 to be processed with a size in the first range, and the other is a product 2 to be processed with a size in the second range), the position of the chamfering tool 42 is adjusted according to the position of the limiter 51, specifically: step S301: drive the adjustment stud 62 to operate, and adjust the position of the bearing seat 61 relative to the frame 10 in the second direction PP'; step S302: drive the second driving member 413 to operate, so that the chamfering motor 412 moves along the second preset trajectory, until the chamfering tool 42 contacts the product 2 to be processed; step S303: drive the chamfering motor 412 to operate, so that the chamfering motor 412 performs chamfering on different products 2 to be processed;

[0148] Step S104 : After chamfering is completed, the feeding module 20 is driven to move until the clamp module 30 moves along the first preset trajectory to the preset loading position, and the chamfered product is taken out from the clamp module 30 .

[0149] Such cyclic operation can realize batch processing.

[0150] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0151] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A chamfering device, It is characterized in that include: frame; A feeding module is installed on the frame; A fixture module, used to fix the product to be processed, installed on the driving end of the feeding module; The driving end of the feeding module can move along a first preset trajectory and move the clamp module to a preset processing position; A chamfering module is installed on the frame, and the chamfering module is configured to perform chamfering processing on the product to be processed when the fixture module is in the preset processing position.

2. The chamfering device according to claim 1, It is characterized in that The feeding module comprises: A first conveying track is installed on the frame, and the clamp module is slidably connected to the first conveying track; A first driving member, wherein a driving end of the first driving member is connected to the clamp module, and the first driving member is configured to drive the clamp module to move along the first preset trajectory.

3. The chamfering device according to claim 2, It is characterized in that The first conveying track comprises a first guide rail mounted on the frame, the first guide rail extends along a first direction, and the clamp module is slidably connected to the first guide rail; The first driving member includes a first cylinder, which is installed on the frame. The telescopic rod of the first cylinder is connected to the clamp module as the driving end of the first driving member, and the telescopic rod of the first cylinder performs telescopic movement along the first direction.

4. The chamfering device according to claim 1, It is characterized in that The driving end of the feeding module can also move along the first preset trajectory and move the clamp module to a preset loading position; The chamfering device further comprises a limiting module, which is mounted on the frame and is configured to limit the product to be processed when the clamp module is in the preset loading position.

5. The chamfering device according to claim 4, It is characterized in that The chamfering module comprises an adjusting module and a chamfering tool, wherein the adjusting module is mounted on a frame, and the chamfering tool is mounted on a connecting end of the adjusting module; When the chamfering tool performs chamfering processing on multiple products to be processed in a first range of sizes, or when the chamfering tool performs chamfering processing on multiple products to be processed in a second range of sizes, the adjustment module is configured to adjust the position of the chamfering tool according to the limit module, so that when the fixture module is in the preset processing position, the chamfering tool can contact the product to be processed to perform chamfering processing on different products to be processed; wherein, the first range of sizes is smaller than the second range of sizes.

6. The chamfering device according to claim 5, It is characterized in that The limit module includes a limit member and a fastener, wherein the limit member is installed on the frame and its position relative to the frame is adjustable, and the fastener is configured to lock or release the limit member to the frame; wherein, when the fixture module is in the preset loading position, the limit member is used to contact the product to be processed.

7. The chamfering device according to claim 5, It is characterized in that The adjustment module comprises: A second conveying track, mounted on the frame; A chamfering motor is slidably connected to the second conveying track, and a rotating shaft of the chamfering motor is connected to the chamfering tool as a connecting end of the adjusting module; A second driving member, a driving end of the second driving member is connected to the chamfering motor, and the second driving member is configured to drive the chamfering motor to move along a second preset trajectory.

8. The chamfering device according to claim 5, It is characterized in that The chamfering device further comprises an adjustment module mounted on the frame, and the adjustment module is connected to the regulating module; When the chamfering tool switches from chamfering the product to be processed in the first range of sizes to chamfering the product to be processed in the second range of sizes, or when the chamfering tool switches from chamfering the product to be processed in the second range of sizes to chamfering the product to be processed in the first range of sizes, the adjustment module is configured to adjust the position of the adjustment module in the second direction according to the limit module, so that when the fixture module is in the preset processing position, the chamfering tool can contact the product to be processed to perform chamfering processing on different products to be processed.

9. The chamfering device according to claim 8, It is characterized in that The adjustment module comprises: A bearing seat, arranged on the frame, and the adjustment module is installed on the bearing seat; An adjusting stud is installed on the frame and connected to the bearing seat, and the adjusting stud is configured to adjust the position of the adjusting module in the second direction according to the limiting module.

10. The chamfering device according to any one of claims 1 to 9, It is characterized in that The fixture module comprises: A fixture body, used for carrying the product to be processed, installed at the driving end of the feeding module; a third driving member, mounted on the fixture body; A fixing member, mounted on a driving end of the third driving member; In which, the third driving member is configured to drive the fixing member to move along the third preset trajectory toward the product to be processed so as to position the product to be processed on the fixture body; the third driving member is also configured to drive the fixing member to move along the third preset trajectory away from the product so that the chamfered product can be detached from the fixture body.

11. The chamfering device according to claim 10, It is characterized in that The fixture module also includes a buffer component, which is arranged on a side of the fixing component facing the product to be processed.

12. A chamfering method for a chamfering device, It is characterized in that The chamfering device comprises: a frame, a feeding module, a fixture module and a chamfering module, wherein the feeding module, the fixture module and the chamfering module are installed on the frame; the chamfering method comprises: Step S101: when the fixture module is at a preset loading position, the product to be processed is fixed to the fixture module; Step S102: driving the feeding module to move the clamp module along a first preset trajectory to the preset processing position; Step S103: driving the chamfering module to operate so that the chamfering module performs chamfering processing on the product to be processed; Step S104: After chamfering is completed, the feeding module is driven to move until the clamp module moves along the first preset trajectory to the preset loading position, and the chamfered product is taken out from the clamp module.

13. The chamfering method according to claim 12, It is characterized in that The chamfering module comprises an adjustment module and a chamfering tool, wherein the adjustment module comprises a second conveying track, a chamfering motor and a second driving member; the chamfering motor is slidably connected to the second conveying track, and the rotating shaft of the chamfering motor is connected to the chamfering tool; the driving end of the second driving member is drivingly connected to the chamfering motor; When the chamfering tool performs chamfering on a plurality of products to be processed in a first range of sizes, or when the chamfering tool performs chamfering on a plurality of products to be processed in a second range of sizes larger than the first range of sizes; wherein step S103 includes: Step S201: driving the second driving member to move so that the chamfering motor moves along a second preset trajectory until the chamfering tool contacts the product to be processed; Step S202: driving the chamfering motor to operate so that the chamfering motor performs chamfering on different products to be processed.

14. The chamfering method according to claim 12, It is characterized in that The chamfering module comprises an adjusting module and a chamfering tool, the adjusting module comprises a second conveying track, a chamfering motor and a second driving member; the chamfering motor is slidably connected to the second conveying track, and the rotating shaft of the chamfering motor is connected to the chamfering tool; the driving end of the second driving member is connected to the chamfering motor; the chamfering device also comprises an adjusting module, the adjusting module comprises a bearing seat and an adjusting stud; the bearing seat is arranged on the frame, and the second conveying track is installed on the bearing seat; the adjusting stud is installed on the frame and is drivingly connected to the bearing seat; when the chamfering tool switches from chamfering a product to be processed in a first range of sizes to a product to be processed in a second range of sizes larger than the first range of sizes, or the chamfering tool switches from chamfering a product to be processed in the second range of sizes to chamfering a product to be processed in the first range of sizes; wherein, the step S103 comprises: Step S301: driving the adjusting screw to adjust the position of the bearing seat relative to the frame in the second direction; Step S302: driving the second driving member to move so that the chamfering motor moves along a second preset trajectory until the chamfering tool contacts the product to be processed; Step S303: driving the chamfering motor to operate so that the chamfering motor performs chamfering processing on different products to be processed.

15. The chamfering method according to claim 12, It is characterized in that The chamfering device further includes a limit module, the limit module includes a limit member, the limit member is mounted on the frame and its position relative to the frame is adjustable; the fixture module includes a fixture body, a third driving member and a fixing member; the fixture body is used to carry the product to be processed, and the fixture body is mounted on the driving end of the feeding module; The third driving member is installed on the fixture body; the fixing member is installed on the driving end of the third driving member; wherein the step S101 includes: Step S401: placing the product to be processed on the fixture body, and adjusting the position of the limiter to determine the size range of the product to be processed; Step S402: driving the third driving member to move so that the fixing member moves along a third preset trajectory toward the product to be processed, so as to position the product to be processed on the fixture body.

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