Tray exchange device

Abstract

The utility model relates to the technical field of machining centers, and discloses a tray exchange device which comprises a first supporting rod, a first supporting plate, a second supporting plate, a rotating shaft, a first circular plate, a clamping assembly, a first motor and a coupler. In the using process, the multiple clamping assemblies are controlled to work, and then the multiple trays can be clamped and fixed. When the workpiece is subjected to transposition, the first motor is controlled to work, and the rotating shaft can be driven to rotate through the coupler. And then the first circular plate is driven to rotate, and finally the multiple clamping assemblies are driven to rotate, so that the workpieces are subjected to position changing in sequence. And after the first circular plate rotates by one circle, the trays are placed on the multiple clamping assemblies respectively again, and then the next round of tray transposition work can be carried out. Therefore, in the continuous machining process, the transposition time is saved, and the tray exchange efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of machining centers, for example, to a pallet exchange device. Background Art

[0002] A related art (Announcement No.: CN219212264U) discloses a pallet exchange device for a vertical machining center, including a vertical machining center base. An exchange mechanism is provided on the inner wall of the vertical machining center base. The exchange mechanism includes a limit plate, a sprocket, a chain, a first pallet and a second pallet. The outer side of the limit plate is fixedly connected to the inner wall of the vertical machining center base, the front end face of the limit plate is rotatably connected to the rear end face of the sprocket, the outer wall of the sprocket is meshed with the inner wall of the chain, the front end face of the chain is fixedly connected to the rear end face of the first pallet, and the front end face of the chain is fixedly connected to the rear end face of the second pallet.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] The pallet exchange device of the vertical machining center uses a sprocket and a chain as a transmission structure to drive the first pallet and the second pallet to move linearly. When the workpiece is clamped on the first pallet and the second pallet, the sprocket is controlled to rotate to complete a position exchange. However, when exchanging again, the first pallet and the second pallet need to be controlled to reset to the original position before they can be exchanged. Therefore, in the process of continuous processing, the processing time is increased and the exchange efficiency is affected.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The embodiment of the present disclosure provides a pallet exchange device to improve the exchange efficiency of pallets.

[0008] In some embodiments, the pallet exchange device includes: a first support rod; a first support plate, mounted on the first support rod; a second support plate, mounted on the first support rod, and the second support plate is located above the first support plate along the height direction of the first support rod; a rotating shaft, rotatably mounted on the second support plate along the height direction of the first support rod; a first circular plate, mounted on one end of the rotating shaft, and the first circular plate is located above the second support plate along the height direction of the first support rod; clamping assemblies, evenly mounted on the first circular plate, and a plurality of the clamping assemblies are distributed in a circular shape around the center of the first circular plate; a first motor, mounted on the first support plate; a coupling, mounted between the rotating end of the first motor and the other end of the rotating shaft.

[0009] Optionally, each of the clamping assemblies includes: a second motor mounted on the first circular plate; a second circular plate mounted on the rotating end of the second motor; a guide rail mounted on the first circular plate along the radial direction of the second circular plate and evenly distributed around the second circular plate; a slider slidably mounted on each of the guide rails; a clamping arm mounted on each of the sliders; and a connecting rod rotatably mounted between the second circular plate and each of the clamping arms.

[0010] Optionally, each of the clamping assemblies further includes: a third circular plate, located above the plurality of second circular plates along the height direction of the first support rod, the third circular plate including strip holes for passing each of the clamping arms respectively; and a second support rod, installed between the third circular plate and the opposite surfaces of the first circular plate.

[0011] Optionally, each of the clamping assemblies further includes: a limit pin, which is installed on the first circular plate and is respectively located at two ends of each of the guide rails.

[0012] Optionally, each of the clamping assemblies further comprises: a pin shaft rotatably mounted on both ends of each of the connecting rods, and the pin shafts at both ends are respectively mounted on the second circular plate and any one of the clamping arms.

[0013] Optionally, it also includes: a bearing seat installed on the second support plate and sleeved on the rotating shaft; and a bearing installed between the bearing seat and the rotating shaft.

[0014] Optionally, it further includes: sealing covers, which are respectively installed at both ends of the bearing seat, and the sealing covers at both ends are against the bearing.

[0015] Optionally, it also includes: a fixing ring, which is sleeved on the rotating shaft and abuts against the bearing.

[0016] Optionally, it further includes: a third support plate installed on the first support rod, and along the height direction of the first support rod, the third support plate is located below the first support plate.

[0017] The pallet exchange device provided in the embodiment of the present disclosure can achieve the following technical effects:

[0018] A pallet exchange device provided by an embodiment of the present disclosure includes a first support rod, a first support plate, a second support plate, a rotating shaft, a first circular plate, a clamping assembly, a first motor and a coupling. The first support plate is mounted on the first support rod for supporting and installing the first motor. The second support plate is mounted on the first support rod for supporting and installing a rotatable rotating shaft. The rotating shaft is rotatably mounted on the second support plate along the height direction of the first support rod and can perform rotational motion relative to the second support plate. The first circular plate is mounted on one end of the rotating shaft for supporting and installing the clamping assembly and performing rotational motion driven by the rotating shaft. The clamping assemblies are evenly mounted on the first circular plate, and a plurality of clamping assemblies are distributed in a circular shape around the center of the first circular plate, and are respectively used to clamp the pallets. The first motor is mounted on the first support plate for providing driving force. The coupling is mounted between the rotating end of the first motor and the other end of the rotating shaft for transmitting driving force.

[0019] During use, multiple clamping components are controlled to work separately, so that multiple pallets can be clamped and fixed separately. When the workpiece is transposed, the first motor is controlled to work, and the shaft can be driven to rotate through the coupling. Then the first circular plate is driven to rotate, and finally the multiple clamping components are driven to rotate, so that the workpiece is transposed in sequence. After the first circular plate rotates one circle, the pallets are placed in the multiple clamping components again, and the next round of pallet transposition can be carried out. There is no need to perform a reset operation, so in the process of continuous processing, the transposition time is saved and the pallet exchange efficiency is improved.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 is a schematic cross-sectional structural diagram of a pallet exchange device provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 4 It is a schematic diagram of the main structure of a pallet exchange device provided in an embodiment of the present disclosure.

[0026] Reference numerals:

[0027] 10: first support rod; 20: first support plate; 30: second support plate; 40: rotating shaft; 50: first circular plate; 60: clamping assembly; 61: second motor; 62: second circular plate; 63: guide rail; 64: slider; 65: clamping arm; 66: connecting rod; 67: third circular plate; 68: second support rod; 70: first motor; 80: coupling; 90: bearing seat; 100: bearing; 110: third support plate. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] Combination Figures 1 to 4 As shown, the embodiment of the present disclosure provides a pallet exchange device, including a first support rod 10, a first support plate 20, a second support plate 30, a rotating shaft 40, a first circular plate 50, a clamping assembly 60, a first motor 70 and a coupling 80. The first support plate 20 is mounted on the first support rod 10. The second support plate 30 is mounted on the first support rod 10, and the second support plate 30 is located above the first support plate 20 along the height direction of the first support rod 10. The rotating shaft 40 is rotatably mounted on the second support plate 30 along the height direction of the first support rod 10. The first circular plate 50 is mounted on one end of the rotating shaft 40, and the first circular plate 50 is located above the second support plate 30 along the height direction of the first support rod 10. The clamping assembly 60 is evenly mounted on the first circular plate 50, and a plurality of clamping assemblies 60 are distributed in a circular shape around the center of the first circular plate 50. The first motor 70 is mounted on the first support plate 20. The coupling 80 is mounted between the rotating end of the first motor 70 and the other end of the rotating shaft 40.

[0037] A pallet exchange device provided by an embodiment of the present disclosure includes a first support rod 10, a first support plate 20, a second support plate 30, a rotating shaft 40, a first circular plate 50, a clamping assembly 60, a first motor 70 and a coupling 80. The first support plate 20 is mounted on the first support rod 10 for supporting and installing the first motor 70. The second support plate 30 is mounted on the first support rod 10 for supporting and installing the rotatable rotating shaft 40. The rotating shaft 40 is rotatably mounted on the second support plate 30 along the height direction of the first support rod 10, and can perform rotational motion relative to the second support plate 30. The first circular plate 50 is mounted on one end of the rotating shaft 40 for supporting and installing the clamping assembly 60, and performs rotational motion driven by the rotating shaft 40. The clamping assembly 60 is evenly mounted on the first circular plate 50, and a plurality of clamping assemblies 60 are distributed in a circular shape around the center of the first circular plate 50, and are respectively used to clamp the pallet. The first motor 70 is mounted on the first support plate 20 for providing driving force. The coupling 80 is installed between the rotating end of the first motor 70 and the other end of the rotating shaft 40 for transmitting driving force.

[0038] During use, during use, the multiple clamping assemblies 60 are controlled to work respectively, so that the multiple pallets can be clamped and fixed respectively. When the workpiece is transposed, the first motor 70 is controlled to work, and the shaft 40 can be driven to rotate through the coupling 80. Then the first circular plate 50 is driven to rotate, and finally the multiple clamping assemblies 60 are driven to rotate, so that the workpieces are transposed in sequence. After the first circular plate 50 rotates one circle, the pallets are placed on the multiple clamping assemblies 60 again, and the next round of pallet transposition can be carried out. There is no need to perform a reset operation, so in the process of continuous processing, the transposition time is saved and the pallet exchange efficiency is improved.

[0039] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, each clamping assembly 60 includes a second motor 61, a second circular plate 62, a guide rail 63, a slider 64, a clamping arm 65 and a connecting rod 66. The second motor 61 is mounted on the first circular plate 50. The second circular plate 62 is mounted on the rotating end of the second motor 61. The guide rail 63 is mounted on the first circular plate 50 along the radial direction of the second circular plate 62 and is evenly distributed around the second circular plate 62. The slider 64 is slidably mounted on each guide rail 63. The clamping arm 65 is mounted on each slider 64. The connecting rod 66 is rotatably mounted between the second circular plate 62 and each clamping arm 65.

[0040] In the disclosed embodiment, each clamping assembly 60 includes a second motor 61, a second circular plate 62, a guide rail 63, a slider 64, a clamping arm 65 and a connecting rod 66. The second motor 61 is mounted on the first circular plate 50 to provide a driving force. The second circular plate 62 is mounted on the rotating end of the second motor 61 and performs a rotational motion under the drive of the second motor 61. The guide rail 63 is mounted on the first circular plate 50 along the radial direction of the second circular plate 62 and is evenly distributed around the second circular plate 62, and is respectively used to support and install the slidable slider 64. The slider 64 is slidably mounted on each guide rail 63, and is respectively used to play the role of guiding support. The clamping arm 65 is respectively mounted on each slider 64, and can move along the radial direction of the second circular plate 62 under the guiding support of multiple groups of guide rails 63 and sliders 64. The connecting rods 66 are rotatably installed between the second circular plate 62 and each clamping arm 65 , and can perform rotational motion relative to the second circular plate 62 and the clamping arm 65 connected thereto, respectively, for transmitting driving force.

[0041] During use, the second motor 61 is controlled to work, so that the second circular plate 62 can be driven to rotate. Then, under the guiding support of the multiple sets of guide rails 63 and the slider 64, the multiple connecting rods 66 can pull or push the multiple clamping arms 65 to move closer or apart from each other, thereby clamping or loosening the tray. Compared with the method of clamping and fixing the tray with only two clamping arms 65, the method of clamping and fixing the tray with multiple clamping arms 65 moving closer or apart from each other is convenient for clamping and fixing the circular tray.

[0042] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, each clamping assembly 60 further includes a third circular plate 67 and a second support rod 68. The third circular plate 67 is located above the plurality of second circular plates 62 along the height direction of the first support rod 10, and the third circular plate 67 includes a strip-shaped hole for passing each clamping arm 65. The second support rod 68 is installed between the third circular plate 67 and the opposite surface of the first circular plate 50.

[0043] In the disclosed embodiment, each clamping assembly 60 further includes a third circular plate 67 and a second support rod 68. The third circular plate 67 is located above the plurality of second circular plates 62 along the height direction of the first support rod 10, and is used to support and place the tray. The third circular plate 67 includes a bar-shaped hole for passing each clamping arm 65, so that the plurality of clamping arms 65 can perform linear motion. The second support rod 68 is installed between the third circular plate 67 and the opposite surface of the first circular plate 50, and is used to determine the relative position of the third circular plate 67 and the second circular plate 62.

[0044] Optionally, combined Figure 1 , Figure 3 and Figure 4As shown, each clamping assembly 60 further includes a limit pin. The limit pin is mounted on the first circular plate 50 and is located at both ends of each guide rail 63 respectively.

[0045] In the embodiment of the present disclosure, each clamping assembly 60 further includes a limit pin mounted on the first circular plate 50 and located at both ends of each guide rail 63. The limit pin is used to limit the position to prevent the slider 64 from falling off the guide rail 63.

[0046] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, each clamping assembly 60 further includes a pin shaft. The pin shaft is rotatably mounted on both ends of each connecting rod 66, and the pin shafts at both ends are respectively mounted on the second circular plate 62 and any clamping arm 65.

[0047] In the disclosed embodiment, each clamping assembly 60 further includes a pin shaft rotatably mounted on both ends of each connecting rod 66. The pin shafts at both ends are respectively mounted on the second circular plate 62 and any clamping arm 65, so that the multiple connecting rods 66 can rotate relative to the second circular plate 62 and the multiple clamping arms 65.

[0048] Optionally, combined Figure 1 and Figure 2 As shown, the second support plate 30 further includes a bearing seat 90 and a bearing 100. The bearing seat 90 is mounted on the second support plate 30 and sleeved on the rotating shaft 40. The bearing 100 is mounted between the bearing seat 90 and the rotating shaft 40.

[0049] In the embodiment of the present disclosure, a bearing seat 90 and a bearing 100 are also included. The bearing seat 90 is mounted on the second support plate 30, and is used to support and install the bearing 100, and to limit the bearing 100. The bearing 100 is used to support and install the rotatable shaft 40, reduce the friction force on the shaft 40, and improve the rotation accuracy of the shaft 40.

[0050] Optionally, combined Figure 1 and Figure 2 As shown, the bearing housing 90 further includes sealing covers, which are respectively installed at both ends of the bearing housing 90 , and the sealing covers at both ends abut against the bearing 100 .

[0051] In the disclosed embodiment, sealing covers are also included which are respectively installed at both ends of the bearing seat 90 and abut against the bearing 100. The sealing covers are used to perform sealing protection and axially fix the bearing 100.

[0052] Optionally, combined Figure 1 and Figure 2 As shown, a fixing ring is also included. The fixing ring is sleeved on the rotating shaft 40 and abuts against the bearing 100.

[0053] In the embodiment of the present disclosure, a fixing ring is further included which is sleeved on the rotating shaft 40 and abuts against the bearing 100. The fixing ring is used to limit the position so as to fix the rotating shaft 40 axially.

[0054] Optionally, combined Figure 1 and Figure 4 As shown, the third support plate 110 is further included. The third support plate 110 is mounted on the first support rod 10 , and along the height direction of the first support rod 10 , the third support plate 110 is located below the first support plate 20 .

[0055] In the disclosed embodiment, a third support plate 110 is further included and mounted on the first support rod 10. The third support plate 110 is located below the first support plate 20 along the height direction of the first support rod 10, and is used to support the entire device and facilitate connection with other devices.

[0056] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A pallet exchange device, characterized in that: include: First pole; A first support plate, mounted on the first support rod; A second support plate is mounted on the first support rod, and along the height direction of the first support rod, the second support plate is located above the first support plate; A rotating shaft, rotatably mounted on the second supporting plate along a height direction of the first supporting rod; A first circular plate is mounted on one end of the rotating shaft, and along the height direction of the first support rod, the first circular plate is located above the second supporting plate; Clamping components are evenly mounted on the first circular plate, and a plurality of the clamping components are distributed in a circular shape around the center of the first circular plate; A first motor, mounted on the first supporting plate; A coupling is installed between the rotating end of the first motor and the other end of the rotating shaft.

2. A pallet exchange device according to claim 1, characterized in that: Each of the clamping assemblies comprises: A second motor is mounted on the first circular plate; a second circular plate mounted on the rotating end of the second motor; A guide rail is installed on the first circular plate along the radial direction of the second circular plate and is evenly distributed around the second circular plate; Slide blocks, slidably mounted on each of the guide rails; A clamping arm, mounted on each of the sliders; The connecting rod is rotatably installed between the second circular plate and each of the clamping arms.

3. A pallet exchange device according to claim 2, characterized in that: Each of the clamping assemblies further comprises: A third circular plate, located above the plurality of second circular plates along the height direction of the first support rod, the third circular plate comprising a strip-shaped hole for passing each of the clamping arms; The second support rod is installed between the third circular plate and the opposite surface of the first circular plate.

4. A pallet exchange device according to claim 2, characterized in that: Each of the clamping assemblies further comprises: Limit pins are installed on the first circular plate and are respectively located at two ends of each of the guide rails.

5. A pallet exchange device according to claim 2, characterized in that: Each of the clamping assemblies further comprises: The pins are rotatably mounted on the two ends of each connecting rod, and the pins at the two ends are respectively mounted on the second circular plate and any one of the clamping arms.

6. A pallet exchange device according to any one of claims 1 to 5, characterized in that: Also includes: A bearing seat, mounted on the second support plate and sleeved on the rotating shaft; The bearing is installed between the bearing seat and the rotating shaft.

7. A pallet exchange device according to claim 6, characterized in that: Also includes: The sealing covers are respectively installed at the two ends of the bearing seat, and the sealing covers at the two ends are against the bearing.

8. A pallet exchange device according to claim 6, characterized in that: Also includes: A fixing ring is sleeved on the rotating shaft and abuts against the bearing.

9. A pallet exchange device according to any one of claims 1 to 5, characterized in that: Also includes: The third support plate is mounted on the first support rod, and along the height direction of the first support rod, the third support plate is located below the first support plate.

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