Elastic claw type tool pouch clamping device and disc track tool magazine

Abstract

The utility model relates to the technical field of disc tool magazines, in particular to an elastic claw type tool pouch clamping device and a disc track tool magazine, and the clamping device comprises a fixed seat, a first tool claw, a second tool claw, an adapter shaft and an elastic piece; the fixed seat is fixedly arranged on the cutter head and is opposite to the corresponding cutter sleeve, and the first cutter claw and the second cutter claw are rotationally connected with the fixed seat through the adapter shaft; each of the first cutter claw and the second cutter claw comprises a clamping part, a rotating part and a control part which are sequentially connected, the clamping parts are located at the end where the cutter sleeve is located, the inner side faces, facing the cutter sleeve, of the clamping parts are arc-shaped clamping faces, the clamping faces are attached to the outer side face of the cutter sleeve, and the rotating parts are located in the fixing base and rotationally connected with the fixing base; the elastic piece is located between the control part of the first cutter claw and the control part of the second cutter claw, and the control parts on the two sides abut against the two ends of the elastic piece. And the tool sleeves are prevented from deviating and shaking in the operation process of the tool magazine, and the effects of quickly and automatically clamping and releasing the tools are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of disc tool magazines, in particular to an elastic claw type tool sleeve clamping device and a disc track tool magazine. Background Art

[0002] The disc track tool magazine is a device used to store and replace tools on CNC machine tools. It can automatically replace tools according to program instructions to meet different processing requirements. The tool holder clamping device is a key component of the disc tool magazine, which is responsible for fixing the tool, ensuring the stability and accuracy of the tool during processing, and preventing the tool from displacement or vibration during high-speed rotation or processing.

[0003] In the related art, each tool is provided with a corresponding tool holder. With the increase of the difficulty and precision requirements of workpiece processing, the number of tools arranged on the tool disc gradually increases. Due to the limitation of the installation space of the machine tool, the installation and use space of the clamping device corresponding to the tool holder is also limited. The volume of the original clamping device is difficult to meet the assembly and use requirements. Directly replacing the clamping device with a small volume cannot provide sufficient clamping force for the tool holder and the corresponding tool, which makes the tool holder prone to displacement and shaking during the operation of the disc track tool magazine. It is also not convenient to realize actions such as fast and automatic clamping and releasing of tools, which affects the normal operation of the disc track tool magazine and reduces the workpiece processing production efficiency.

[0004] The information disclosed in this background technology section is only intended to deepen the understanding of the overall background technology of the present invention, and should not be regarded as an admission or any form of implication that the information constitutes the prior art known to those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an elastic claw type tool sleeve clamping device and a disc track tool magazine, which are easy to install and prevent the tool sleeve from shifting and shaking during the operation of the tool magazine, and at the same time have the effect of quickly and automatically clamping and releasing the tool.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an elastic claw type knife sleeve clamping device, comprising: a fixed seat, a first knife claw, a second knife claw, a transfer shaft and an elastic member;

[0007] The fixing seat is fixedly arranged on the cutter disc and arranged opposite to the corresponding cutter sleeve, and the first cutter claw and the second cutter claw are rotatably connected to the fixing seat through the adapter shaft respectively;

[0008] Among them, the first knife claw and the second knife claw have the same structure, both of which include a clamping part, a rotating part and a control part which are connected in sequence, and the clamping part is located at the end where the knife sleeve is located, and the inner side surface of the clamping part facing the knife sleeve is an arc-shaped clamping surface, and the clamping surface is arranged in close contact with the outer side surface of the knife sleeve, the rotating part is located in the fixed seat and is rotatably connected to the fixed seat, and the elastic member is located between the control part of the first knife claw and the control part of the second knife claw, and the control parts on both sides form abutment against the two ends of the elastic member.

[0009] Furthermore, one end of the clamping portion away from the rotating portion forms a guide surface, and the guide surface is inclined toward a side away from the outer side surface of the knife sleeve.

[0010] Furthermore, a transition surface is provided between the guide surface and the clamping surface, and the transition surface is an arc surface, and two ends of the transition surface are respectively tangent to the guide surface and the clamping surface.

[0011] Furthermore, adapter grooves are provided on both sides of the fixed seat, and the rotating part of the first claw and the rotating part of the second claw are respectively arranged in the adapter grooves on the corresponding side; two adapter holes are provided through the fixed seat and the rotating part opposite to each other, and the adapter shaft passes through the corresponding adapter holes and enters the adapter groove, and rotatably connects the fixed seat and the rotating part.

[0012] Furthermore, a side surface of the control portion is arranged to protrude from a side surface of the rotating portion to form a step portion, and the step portion is arranged opposite to a side of the fixing seat away from the knife sleeve.

[0013] Furthermore, the groove bottom of the adapter groove forms a limiting surface, and the limiting surface is arranged opposite to the inner side surface of the rotating part and is inclined toward the side where the clamping part is located.

[0014] Furthermore, a fixed shaft is provided on one side where the first and second claws are opposite to each other, and the fixed shaft is protrudingly provided on the inner side surface of the control part, and the two end portions of the elastic member are sleeved on the two fixed shafts, and the end surfaces are in contact with the inner side surface of the control part.

[0015] Furthermore, two mounting holes are arranged in the middle of the fixing seat, and the two mounting holes are arranged through-through.

[0016] Furthermore, both ends of the adapter shaft are located outside the fixing seat, and the outer shaft surface of the end of the adapter shaft is sleeved with a gasket, and the end surface of the gasket is fitted with the outer side surface of the fixing seat.

[0017] The utility model also provides a disc track tool magazine, which is equipped with a plurality of elastic claw type tool sleeve clamping devices as described above, including a tool disc and a driving mechanism, wherein the plurality of elastic claw type tool sleeve clamping devices are arranged in sequence along the edge of the tool disc, and the driving mechanism is connected to the tool disc through a chain drive for driving the tool disc to rotate.

[0018] The beneficial effects of the present invention are as follows: the present invention does not need to occupy additional assembly space by arranging a fixing seat at the position of the knife disc corresponding to the knife sleeve, and by rotatably arranging the first knife claw and the second knife claw on the fixing seat, under the abutment effect of the elastic member on the control parts on both sides, it can ensure that the clamping surfaces on both sides of the knife disc are always in a tightly fitted state with the outer side surface of the knife sleeve during operation, effectively preventing the knife sleeve from shifting or shaking, ensuring the stability of the clamping effect of the first knife claw and the second knife claw, and only through the relative rotation of the first knife claw and the second knife claw, the knife sleeves of different sizes and shapes can be quickly and automatically clamped and released, which is simple, convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model 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 recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the installation of the elastic claw type tool sleeve clamping device in the embodiment of the utility model;

[0021] Figure 2 This is a front view of the elastic claw type tool sleeve clamping device in the embodiment of the utility model;

[0022] Figure 3 It is a side view of the elastic claw type knife sleeve clamping device in the embodiment of the utility model;

[0023] Figure 4 The elastic claw type knife sleeve clamping device is in the clamping state Figure 3 Sectional view at AA in the middle;

[0024] Figure 5 The elastic claw type tool holder clamping device is in the open state Figure 3 Sectional view at AA in the middle;

[0025] Figure 6 It is a bottom view of the elastic claw type knife sleeve clamping device in the embodiment of the utility model;

[0026] Figure 7 It is a schematic diagram of the structure of the disc track tool magazine in the embodiment of the utility model.

[0027] Attached figures: 01, knife sleeve; 02, knife disc; 03, driving mechanism; 1, fixed seat; 1a, adapter groove; 1b, adapter hole; 1c, limiting surface; 1d, mounting hole; 2, first knife claw; 3, second knife claw; 4, adapter shaft; 4a, gasket; 5, elastic member; 10, clamping part; 11, clamping surface; 12, guide surface; 13, transition surface; 20, rotating part; 30, control part; 31, step part; 32, fixed shaft. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0031] like Figures 1 to 6 The elastic claw type knife sleeve clamping device shown comprises: a fixing seat 1, a first knife claw 2, a second knife claw 3, a transfer shaft 4 and an elastic member 5;

[0032] The fixing seat 1 is fixedly arranged on the cutter disc 02 and arranged opposite to the corresponding cutter sleeve 01. The first cutter claw 2 and the second cutter claw 3 are rotatably connected to the fixing seat 1 through the adapter shaft 4 respectively.

[0033] Among them, the first blade claw 2 and the second blade claw 3 have the same structure, both of which include a clamping part 10, a rotating part 20 and a control part 30 which are sequentially connected, and the clamping part 10 is located at the end where the knife sleeve 01 is located, and the inner side surface of the clamping part 10 facing the knife sleeve 01 is an arc-shaped clamping surface 11, and the clamping surface 11 is arranged in contact with the outer side surface of the knife sleeve 01, the rotating part 20 is located in the fixed seat 1 and is rotatably connected to the fixed seat 1, and the elastic member 5 is located between the control part 30 of the first blade claw 2 and the control part 30 of the second blade claw 3, and the control parts 30 on both sides form abutment against the two ends of the elastic member 5.

[0034] The utility model sets a fixing seat 1 at the position of the knife disc 02 corresponding to the knife sleeve 01, and does not need to occupy additional assembly space. By rotatably setting the first knife claw 2 and the second knife claw 3 on the fixing seat 1, under the abutment effect of the elastic member 5 on the control parts 30 on both sides, it can ensure that the clamping surfaces 11 on both sides of the knife disc 02 are always in a tightly fitted state with the outer side surface of the knife sleeve 01 during operation, effectively preventing the knife sleeve 01 from deflecting or shaking, ensuring the stability of the clamping effect of the first knife claw 2 and the second knife claw 3, and only through the relative rotation of the first knife claw 2 and the second knife claw 3, the knife sleeves 01 of different sizes and shapes can be quickly and automatically clamped and released. It is simple, convenient and practical.

[0035] The elastic member 5 is always in a compressed state, so that the clamping portion 10 of the first knife claw 2 and the second knife claw 3 always maintains a clamping effect on the knife sleeve 01 during the rotation of the knife disc 02, and the clamping surface 11 is in a close fit with the outer surface of the knife sleeve 01, ensuring the stability of the clamping effect and the accuracy of positioning; when the tool needs to be replaced, the knife sleeve 01 is disengaged from the clamping surfaces 11 on both sides, pushing the first knife claw 2 and the second knife claw 3 to overcome the abutting force of the elastic member 5 to rotate, so that the knife sleeve 01 is released, thereby realizing the automatic clamping and releasing action of the knife sleeve 01 quickly, which is convenient for assembly.

[0036] On the basis of the above embodiment, a guide surface 12 is formed at one end of the clamping portion 10 away from the rotating portion 20, and the guide surface 12 is inclined toward the side away from the outer side of the tool sleeve 01; the setting of the guide surface 12 provides a clear guiding effect for the tool sleeve 01 to enter between the first knife claw 2 and the second knife claw 3, ensuring that the tool sleeve 01 can accurately reach the position of the clamping surface 11 to achieve the clamping effect on the tool sleeve 01, and the inclined setting to the guide surface 12 reduces the contact friction during entry, reduces the wear on the tool sleeve 01, and extends the service life.

[0037] On the basis of the above embodiment, a transition surface 13 is arranged between the guide surface 12 and the clamping surface 11. The transition surface 13 is an arc surface, and its two ends are respectively arranged tangent to the guide surface 12 and the clamping surface 11; this ensures that a buffer area is formed in the process of the tool sleeve 01 moving from the guide surface 12 to the corresponding position of the clamping surface 11, so that the movement of the tool sleeve 01 is smooth and continuous, the impact and vibration are reduced, and it is helpful to improve the positioning accuracy during clamping, and the appearance is more smooth, natural and beautiful.

[0038] On the basis of the above-mentioned embodiment, adapter grooves 1a are provided on both sides of the fixed seat 1, and the rotating part 20 of the first knife claw 2 and the rotating part 20 of the second knife claw 3 are respectively arranged in the adapter grooves 1a on the corresponding side; two adapter holes 1b are provided through the fixed seat 1 and the rotating part 20, and the adapter shaft 4 passes through the corresponding adapter holes 1b to enter the adapter groove 1a and rotates to connect the fixed seat 1 and the rotating part 20; by providing the adapter grooves 1a on both sides of the fixed seat 1, the rotating part 20 of the knife claw can be accommodated in the fixed seat 1, so that the whole clamping device is more compact and the assembly space is reduced; the adapter shaft 4 passes through the adapter hole 1b on the fixed seat 1 and is directly connected to the rotating part 20 of the knife claw, thereby improving the rigidity of the connection and ensuring the stability and reliability of the action when clamping and releasing the knife sleeve 01; and the design of the adapter groove 1a can reduce the interference between the rotating part 20 and other components, ensure the freedom of the first knife claw 2 and the second knife claw 3 during the rotation process, avoid jamming, error or damage caused by interference, thereby ensuring the stability and safety of the work.

[0039] On the basis of the above embodiment, one side of the control part 30 is protruding from the side of the rotating part 20 to form a step portion 31, and the step portion 31 is arranged opposite to the side of the fixed seat 1 away from the knife sleeve 01; the setting of the step portion 31 increases the thickness of the control part 30 relative to the rotating part 20, thereby increasing the contact area between the end of the elastic member 5 and the control part 30, ensuring the stability of the installation position of the elastic member 5; and the setting of the step portion 31 can form an abutment effect on the side of the fixed seat 1 when the first knife claw 2 and the second knife claw 3 rotate beyond the limit position, preventing the first knife claw 2 and the second knife claw 3 from escaping from the adapter groove 1a, thereby ensuring the stability of the rotational connection effect.

[0040] On the basis of the above-mentioned embodiment, the bottom of the adapter groove 1a forms a limiting surface 1c, and the limiting surface 1c is arranged opposite to the inner side surface of the rotating part 20, and is inclined toward the side where the clamping part 10 is located; the setting of the limiting surface 1c determines the rotation angle range of the rotating part 20. When it is rotated to the extreme position, the inner side surface of the rotating part 20 will form a local abutment effect with the limiting surface 1c, thereby limiting the rotating part 20 from continuing to rotate clockwise or counterclockwise, effectively preventing the rotating part 20 from derailing in the adapter groove 1a, and improving the safety of the entire clamping device.

[0041] On the basis of the above embodiment, a fixed shaft 32 is provided on one side where the first blade claw 2 and the second blade claw 3 are opposite to each other, and the fixed shaft 32 is protrudingly provided on the inner side surface of the control part 30, and the two end portions of the elastic member 5 are sleeved on the two fixed shafts 32, and the end surfaces are in contact with the inner side surface of the control part 30; so that the elastic member 5 can effectively apply force to the first blade claw 2 and the second blade claw 3 to ensure the stability and consistency of the clamping action; avoid unstable clamping of the knife sleeve 01 due to uneven pressure; and the setting of the fixed shaft 32 makes the installation and adjustment of the elastic member 5 more convenient, and also facilitates the replacement or maintenance of the elastic member 5.

[0042] On the basis of the above embodiment, two mounting holes 1d are provided in the middle of the fixing seat 1, and the two mounting holes 1d are set through; the through mounting holes 1d allow mounting bolts or other fasteners to directly pass through the fixing seat 1 to install the clamping device on the cutter disc 02, thereby simplifying the installation process of the clamping device, and the mounting holes 1d help to ensure the alignment and positioning accuracy of the clamping device on the cutter disc 02, and the installation is flexible and convenient.

[0043] On the basis of the above embodiment, both ends of the adapter shaft 4 are located outside the fixed seat 1, and the outer axial surface of the end of the adapter shaft 4 is sleeved with a gasket 4a, and the end face of the gasket 4a is fitted with the outer side surface of the fixed seat 1; the gasket 4a fits with the outer side surface of the fixed seat 1, which can provide better support, reduce the bending or deviation of the adapter shaft 4 caused by external force, and improve the coaxiality and parallelism after installation; thereby improving the stability of the overall clamping device; and being able to absorb vibration and impact energy, reduce damage to the clamping device, and extend its service life.

[0044] like Figure 7 As shown, the utility model also provides a disc track tool magazine, which is equipped with a plurality of elastic claw type tool sleeve clamping devices as above, including a tool disc 02 and a driving mechanism 03, and the plurality of elastic claw type tool sleeve clamping devices are arranged in sequence along the edge of the tool disc 02, and the driving mechanism 03 is connected to the tool disc 02 by a chain drive, which is used to drive the tool disc 02 to rotate; the tool can be quickly selected and replaced according to processing requirements, adapting to different processing tasks, and ensuring the stability and accuracy of the tool during the clamping and releasing process, realizing automatic tool replacement, and improving processing efficiency, and the modular design of the clamping device facilitates individual maintenance and replacement, which helps to reduce maintenance costs and time.

[0045] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An elastic claw type tool sleeve clamping device, characterized in that: include: A fixing seat, a first knife claw, a second knife claw, a transfer shaft and an elastic member; The fixing seat is fixedly arranged on the cutter disc and arranged opposite to the corresponding cutter sleeve, and the first cutter claw and the second cutter claw are rotatably connected to the fixing seat through the adapter shaft respectively; The first knife claw and the second knife claw have the same structure, and both include a clamping part, a rotating part and a control part which are sequentially connected, and the clamping part is located at the end where the knife sleeve is located, and the inner side surface of the clamping part facing the knife sleeve is an arc-shaped clamping surface, and the clamping surface is arranged in close contact with the outer side surface of the knife sleeve, and the rotating part is located in the fixing seat and is rotatably connected to the fixing seat, and the elastic member is located between the control part of the first knife claw and the control part of the second knife claw, and the control parts on both sides form an abutment effect on the two ends of the elastic member; The fixing seat is provided with transfer grooves on both sides, and the rotating part of the first knife claw and the rotating part of the second knife claw are respectively arranged in the transfer grooves on the corresponding side; two transfer holes are provided through the fixing seat and the rotating part at the opposite part, and the transfer shaft passes through the corresponding transfer holes and enters the transfer groove, and rotatably connects the fixing seat and the rotating part; The groove bottom of the adapter groove forms a limiting surface, and the limiting surface is arranged opposite to the inner side surface of the rotating part and is inclined toward the side where the clamping part is located.

2. The elastic claw type tool sleeve clamping device according to claim 1, characterized in that: An end of the clamping portion away from the rotating portion forms a guide surface, and the guide surface is inclined toward a side away from the outer side surface of the knife sleeve.

3. The elastic claw type tool sleeve clamping device according to claim 2, characterized in that: A transition surface is arranged between the guiding surface and the clamping surface. The transition surface is an arc surface, and two ends of the transition surface are arranged tangent to the guiding surface and the clamping surface respectively.

4. The elastic claw type tool sleeve clamping device according to claim 1, characterized in that: A side surface of the control portion is arranged to protrude from a side surface of the rotating portion to form a step portion, and the step portion is arranged opposite to a side of the fixing seat away from the knife sleeve.

5. The elastic claw type tool sleeve clamping device according to claim 1, characterized in that: A fixed shaft is arranged on one side where the first knife claw and the second knife claw are arranged opposite to each other. The fixed shaft is protruded on the inner side surface of the control part. The two ends of the elastic member are sleeved on the two fixed shafts, and the end faces are in contact with the inner side surface of the control part.

6. The elastic claw type tool sleeve clamping device according to claim 1, characterized in that: Two mounting holes are arranged in the middle of the fixing seat, and the two mounting holes are arranged through.

7. The elastic claw type tool sleeve clamping device according to claim 1, characterized in that: Both ends of the adapter shaft are located outside the fixing seat, and the outer shaft surface of the end of the adapter shaft is sleeved with a gasket, and the end surface of the gasket is fitted with the outer side surface of the fixing seat.

8. A disc track tool magazine equipped with a plurality of elastic claw type tool sleeve clamping devices according to any one of claims 1 to 7, characterized in that: It comprises a cutter disc and a driving mechanism, wherein a plurality of elastic claw type cutter sleeve clamping devices are arranged in sequence along the edge of the cutter disc, and the driving mechanism is connected with the cutter disc through a chain transmission to drive the cutter disc to rotate.

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