Clamping device for cutter production and machining

Abstract

The utility model relates to a clamping device for cutter production and processing, which comprises a driving cylinder, a support disc, at least three clamping components, a moving rod and an outer sleeve, the support disc is provided with a through hole, the through hole penetrates through the support disc, the at least three clamping components are fixedly arranged on the support disc, and the moving rod is arranged on the outer sleeve. The at least three clamping assemblies are evenly distributed in the circumferential direction of the supporting disc. One end of the moving rod and the outer sleeve are fixedly nested together, and the other end of the moving rod is fixedly connected with a telescopic rod 11 of the driving air cylinder, so that the driving air cylinder 1 drives the moving rod to stretch out and draw back; the movable rod extends into the through hole of the supporting disc, and when the movable rod is driven by the driving air cylinder to move, a combined body of the movable rod and the outer sleeve extends out or retracts into the through hole of the supporting disc; the clamping assembly is connected with the outer sleeve, and the outer sleeve drives the clamping assembly to be opened or closed when moving.

Description

Technical Field

[0001] The utility model relates to a clamping device, in particular to a clamping device for tool production and processing. Background Art

[0002] Milling cutters, drill cutters and other cutting tools require a clamping device during the production process. In one prior art, the clamping device includes a clamping part and a manual tightening part. The cutting tool is placed in the clamping part, and then the clamping part is manually tightened by the manual tightening part, thereby clamping the cutting tool in the clamping part for the convenience of production and processing. However, the clamping device in this prior art firstly requires workers to manually tighten the clamping part, which requires workers to exert a lot of force to clamp the cutting tool, which is time-consuming and labor-intensive; secondly, there are multiple clamping parts in this clamping device, at least more than three, and when tightening the clamping parts, workers tighten them one by one, which makes the tightness of each clamping part different, which is likely to cause the cutting tool to deflect or loosen during the processing process, affecting the processing accuracy. Summary of the Invention

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a clamping device for tool production and processing.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a clamping device for tool production and processing, comprising: a driving cylinder, a supporting plate, at least three clamping assemblies, a moving rod, and a sleeve, the supporting plate having a through hole, the through hole passing through the supporting plate, at least three clamping assemblies fixedly mounted on the supporting plate, and at least three clamping assemblies evenly distributed in the circumferential direction of the supporting plate; one end of the moving rod and the sleeve are fixedly nested together, and the other end of the moving rod is fixedly connected to the telescopic rod 11 of the driving cylinder, so that the driving cylinder 1 drives the moving rod to extend and retract; the moving rod extends into the through hole of the support plate, and when the moving rod is driven to move by the driving cylinder, the combination of the moving rod and the sleeve extends or retracts to the through hole of the support plate; the clamping assembly is connected to the sleeve, and when the sleeve moves, it drives the clamping assembly to open or close.

[0005] Furthermore, the clamping assembly includes a fixed connecting member, a clamping member, and a connecting rod. On the one hand, the fixed connecting member is fixedly connected to the support plate, and on the other hand, the fixed connecting member and the clamping member are rotatably connected, so that the clamping member rotates relative to the fixed connecting member. On the one hand, the connecting rod is rotatably connected to the clamping member, and on the other hand, the connecting rod is rotatably connected to the outer sleeve, so that the connecting rod rotates relative to the clamping member and the outer sleeve. When the outer sleeve moves, it drives the connecting rod to move, and the connecting rod drives the clamping member to rotate relative to the fixed connecting member, so that the clamping member opens or closes.

[0006] Furthermore, the fixed connecting member includes a first connecting part and a second connecting part, and there is a preset distance between the first connecting part and the second connecting part. The clamping member, the first connecting part, and the second connecting part are rotatably connected together by a first pin shaft, so that the clamping member rotates relative to the first connecting part and the second connecting part, thereby causing the clamping member to rotate relative to the fixed connecting member.

[0007] Furthermore, a first groove is provided between the first connecting part and the second connecting part, the clamping member is inserted into the first groove, and the first connecting part, the second connecting part and the clamping member are connected by the first pin shaft, so that the clamping member rotates in the first groove.

[0008] Furthermore, the connecting rod includes a connecting rod body, a third connecting part, and a fourth connecting part. The third connecting part and the fourth connecting part are fixedly connected to the connecting rod body, and there is a preset distance between the third connecting part and the fourth connecting part. The clamping member, the third connecting part, and the fourth connecting part are connected together by a second pin shaft, so that the clamping member can rotate relative to the connecting rod.

[0009] Furthermore, a second groove is provided between the third connecting part and the fourth connecting part, the clamping member is inserted into the second groove, and the clamping member, the third connecting part and the fourth connecting part are connected together by the second pin shaft, so that the clamping member rotates in the second groove.

[0010] Furthermore, the connecting rod also includes a fifth connecting part and a sixth connecting part, and there is a preset distance between the fifth connecting part and the sixth connecting part. The outer sleeve and the fifth connecting part and the sixth connecting part are rotatably connected together through a third pin shaft, so that the connecting rod rotates relative to the outer sleeve.

[0011] Furthermore, a third groove is provided between the fifth connecting part and the sixth connecting part, a protrusion is provided on the outer surface of the sleeve, the protrusion is inserted into the third groove, and the fifth connecting part, the sixth connecting part and the protrusion are connected together by the third pin shaft, so that the connecting rod and the sleeve are rotatably connected, and the connecting rod rotates relative to the sleeve.

[0012] Furthermore, it also includes a spring, a limit plate, and a nut. The spring is sleeved on the moving rod, the limit plate is sleeved on the moving rod, and the limit plate and the moving rod are fixed together by the nut. One end of the spring rests on the support plate, and the other end of the spring rests on the limit plate. When the driving cylinder drives the moving rod to move, the spring is compressed or relaxed.

[0013] The beneficial effects of the present application are: the clamping device for tool production and processing provided by the present application has a simple structure and is easy to assemble. Since a driving cylinder is provided, the driving cylinder drives the moving rod to move, and the moving rod drives at least three clamping components to open or close synchronously. When at least three clamping components are closed synchronously, the tool is clamped between the clamping components. Since the clamping components move synchronously, the clamping force is uniform, and the tool is evenly subjected to force when clamped, and there will be no deflection or looseness. Moreover, the power is provided by the driving cylinder, which eliminates manual operation and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic structural diagram of a clamping device for tool production and processing provided by the present invention.

[0015] Figure 2 This is another structural schematic diagram of a clamping device for tool production and processing provided by the utility model.

[0016] Figure 3 This is another structural schematic diagram of a clamping device for tool production and processing provided by the utility model. DETAILED DESCRIPTION

[0017] The present application is further described in detail below by means of specific embodiments in conjunction with the accompanying drawings. Similar elements in different embodiments are numbered with associated similar elements. In the following embodiments, many detailed descriptions are provided to enable the present application to be better understood. However, those skilled in the art will readily appreciate that some of the features may be omitted in different circumstances, or may be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification. This is to avoid the core portion of the present application being overwhelmed by excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail. They can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0018] In addition, the features, operations, or characteristics described in the specification may be combined in any appropriate manner to form various implementations, and the operational steps involved in each embodiment may be interchanged or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a particular embodiment and do not imply a required composition and / or sequence.

[0019] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings).

[0020] Please refer to Figure 1-3 The present application provides a clamping device for tool production and processing (hereinafter referred to as "the clamping device"), which includes: a driving cylinder 1, a supporting plate 2, at least three clamping assemblies 5, a moving rod 3, and a sleeve 4, wherein the supporting plate 2 has a through hole 20, the through hole 20 passes through the supporting plate 2, at least three clamping assemblies 5 are fixedly mounted on the supporting plate 2, and at least three clamping assemblies 5 are evenly distributed on the circumference of the supporting plate 2; one end of the moving rod 3 and the sleeve 4 are fixedly nested together, and the other end of the moving rod 3 is fixedly connected to the telescopic rod 11 of the driving cylinder 1, so that the driving cylinder 1 drives the moving rod 3 to extend and retract; the moving rod 3 extends into the through hole 20 of the supporting plate 2, and when the moving rod 3 is driven to move by the driving cylinder 1, the combination of the moving rod 3 and the sleeve 4 extends or retracts to the through hole 20 of the supporting plate 2; the clamping assembly 5 is connected to the sleeve 4, and when the sleeve 4 moves, it drives the clamping assembly 5 to open or close.

[0021] In one embodiment of the present application, the clamping assembly 5 includes a fixed connector 51, a clamping member 52, and a connecting rod 53. On the one hand, the fixed connector 51 is fixedly connected to the support plate 2, and on the other hand, the fixed connector 51 and the clamping member 52 are rotatably connected, so that the clamping member 52 rotates relative to the fixed connector 51. On the one hand, the connecting rod 53 is rotatably connected to the clamping member 52, and on the other hand, the connecting rod 53 is rotatably connected to the outer sleeve 4, so that the connecting rod 53 rotates relative to the clamping member 52 and the outer sleeve 4. When the outer sleeve 4 moves, it drives the connecting rod 53 to move, and the connecting rod 53 drives the clamping member 52 to rotate relative to the fixed connector 51, so that the clamping member 52 opens or closes.

[0022] In one embodiment of the present application, the fixed connecting member 51 includes a first connecting portion 511 and a second connecting portion 512, and there is a preset distance between the first connecting portion 511 and the second connecting portion 512. The clamping member 52, the first connecting portion 511, and the second connecting portion 512 are rotatably connected together through a first pin shaft 54, so that the clamping member 52 rotates relative to the first connecting portion 511 and the second connecting portion 512, thereby causing the clamping member 52 to rotate relative to the fixed connecting member 51.

[0023] In one embodiment of the present application, a first groove 510 is provided between the first connecting portion 511 and the second connecting portion 512, the clamping member 52 is inserted into the first groove 510, and the first connecting portion 511, the second connecting portion 512 and the clamping member 52 are connected by the first pin shaft 54, so that the clamping member 52 rotates in the first groove 510.

[0024] In one embodiment of the present application, the connecting rod 53 includes a connecting rod body 530, a third connecting part 531, and a fourth connecting part 532. The third connecting part 531 and the fourth connecting part 532 are fixedly connected to the connecting rod body 530, and there is a preset distance between the third connecting part 531 and the fourth connecting part 532. The clamping member 52, the third connecting part 531, and the fourth connecting part 532 are connected together by a second pin shaft 55, so that the clamping member 52 can rotate relative to the connecting rod 53.

[0025] In one embodiment of the present application, a second groove 535 is provided between the third connecting portion 531 and the fourth connecting portion 532, the clamping member 52 is inserted into the second groove 535, and the clamping member 52, the third connecting portion 531, and the fourth connecting portion 532 are connected together by the second pin shaft 55, so that the clamping member 52 rotates in the second groove 535.

[0026] In one embodiment of the present application, the connecting rod 53 also includes a fifth connecting portion 533 and a sixth connecting portion 534, and there is a preset distance between the fifth connecting portion 533 and the sixth connecting portion 534. The outer sleeve 4 and the fifth connecting portion 533 and the sixth connecting portion 534 are rotatably connected together through a third pin shaft 56, so that the connecting rod 53 rotates relative to the outer sleeve 4.

[0027] In one embodiment of the present application, a third groove 536 is provided between the fifth connecting portion 533 and the sixth connecting portion 534, a protrusion 40 is provided on the outer surface of the sleeve 4, the protrusion 40 is inserted into the third groove 536, and the fifth connecting portion 533, the sixth connecting portion 534 and the protrusion 40 are connected together by the third pin shaft 56, so that the connecting rod 53 and the sleeve 4 are rotatably connected, and the connecting rod 53 rotates relative to the sleeve 4.

[0028] In one embodiment of the present application, the clamping device also includes a spring 6, a limit plate 7, and a nut 8. The spring 6 is sleeved on the moving rod 3, the limit plate 7 is sleeved on the moving rod 3, and the limit plate 7 and the moving rod 3 are fixed together by the nut 8. One end of the spring 6 rests on the support plate 2, and the other end of the spring 6 rests on the limit plate 7. When the driving cylinder 1 drives the moving rod 3 to move, the spring 6 is compressed or relaxed.

[0029] The clamping device for tool production and processing provided by the present application has a simple structure and is easy to assemble. Since a driving cylinder is provided, the driving cylinder drives the moving rod to move, and the moving rod drives at least three clamping components to open or close synchronously. When at least three clamping components are closed synchronously, the tool is clamped between the clamping components. Since the clamping components move synchronously, the clamping force is uniform, and the tool is evenly subjected to force when clamped, and there will be no deflection or looseness. Moreover, the driving cylinder provides power, which eliminates manual operation and has a high degree of automation.

[0030] The above embodiments are intended only to illustrate the technical concepts and features of the present invention. Their purpose is to enable those familiar with the art to understand the contents of the present invention and implement them accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications based on the spirit of the present invention are intended to be included in the scope of protection of the present invention.

Claims

1. A clamping device for tool production and processing, characterized in that: include: A driving cylinder, a support plate, at least three clamping assemblies, a moving rod, and a jacket, wherein the support plate has a through hole, the through hole passes through the support plate, at least three clamping assemblies are fixedly mounted on the support plate, and at least three clamping assemblies are evenly distributed around the support plate; one end of the moving rod is fixedly nested with the jacket, and the other end of the moving rod is fixedly connected to the telescopic rod (11) of the driving cylinder, so that the driving cylinder (1) drives the moving rod to extend and retract; the moving rod extends into the through hole of the support plate, and when the moving rod is driven to move by the driving cylinder, the combination of the moving rod and the jacket extends or retracts to the through hole of the support plate; the clamping assembly is connected to the jacket, and when the jacket moves, it drives the clamping assembly to open or close.

2. The tool production and processing clamping device according to claim 1, characterized in that: The clamping assembly includes a fixed connecting member, a clamping member, and a connecting rod. On the one hand, the fixed connecting member is fixedly connected to the supporting plate, and on the other hand, the fixed connecting member and the clamping member are rotatably connected, so that the clamping member rotates relative to the fixed connecting member. On the one hand, the connecting rod is rotatably connected to the clamping member, and on the other hand, the connecting rod is rotatably connected to the outer sleeve, so that the connecting rod rotates relative to the clamping member and the outer sleeve. When the outer sleeve moves, it drives the connecting rod to move, and the connecting rod drives the clamping member to rotate relative to the fixed connecting member, so that the clamping member opens or closes.

3. The tool production and processing clamping device according to claim 2, characterized in that: The fixed connecting member includes a first connecting portion and a second connecting portion, and there is a preset distance between the first connecting portion and the second connecting portion. The clamping member, the first connecting portion, and the second connecting portion are rotatably connected together by a first pin shaft, so that the clamping member rotates relative to the first connecting portion and the second connecting portion, thereby causing the clamping member to rotate relative to the fixed connecting member.

4. The tool production and processing clamping device according to claim 3, characterized in that: A first groove is provided between the first connecting portion and the second connecting portion, the clamping member is inserted into the first groove, and the first connecting portion, the second connecting portion and the clamping member are connected by the first pin shaft, so that the clamping member rotates in the first groove.

5. The tool production and processing clamping device according to claim 4, characterized in that: The connecting rod includes a connecting rod body, a third connecting part, and a fourth connecting part. The third connecting part and the fourth connecting part are fixedly connected to the connecting rod body, and there is a preset distance between the third connecting part and the fourth connecting part. The clamping member, the third connecting part, and the fourth connecting part are connected together by a second pin shaft, so that the clamping member can rotate relative to the connecting rod.

6. The tool production and processing clamping device according to claim 5, characterized in that: A second groove is provided between the third connecting portion and the fourth connecting portion, the clamping member is inserted into the second groove, and the clamping member, the third connecting portion and the fourth connecting portion are connected together by the second pin shaft, so that the clamping member rotates in the second groove.

7. The tool production and processing clamping device according to claim 6, characterized in that: The connecting rod also includes a fifth connecting part and a sixth connecting part, and there is a preset distance between the fifth connecting part and the sixth connecting part. The outer sleeve and the fifth connecting part and the sixth connecting part are rotatably connected together through a third pin shaft, so that the connecting rod rotates relative to the outer sleeve.

8. The tool production and processing clamping device according to claim 7, characterized in that: A third groove is provided between the fifth connecting part and the sixth connecting part, a protrusion is provided on the outer surface of the sleeve, the protrusion is inserted into the third groove, and the fifth connecting part, the sixth connecting part and the protrusion are connected together by the third pin shaft, so that the connecting rod and the sleeve are rotatably connected, and the connecting rod rotates relative to the sleeve.

9. The tool production and processing clamping device according to claim 8, characterized in that: It also includes a spring, a limit plate, and a nut. The spring is sleeved on the moving rod, the limit plate is sleeved on the moving rod, and the limit plate and the moving rod are fixed together by the nut. One end of the spring rests on the supporting plate, and the other end of the spring rests on the limit plate. When the driving cylinder drives the moving rod to move, the spring is compressed or relaxed.

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