CN220029457U - Quick-change clamp and machining machine table - Google Patents
Quick-change clamp and machining machine table Download PDFInfo
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- CN220029457U CN220029457U CN202321562232.7U CN202321562232U CN220029457U CN 220029457 U CN220029457 U CN 220029457U CN 202321562232 U CN202321562232 U CN 202321562232U CN 220029457 U CN220029457 U CN 220029457U
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- 238000003754 machining Methods 0.000 title claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of clamps, and particularly discloses a quick-change clamp which can quickly realize line change of products with different specifications and has strong universality, comprising a base, an elastic locking assembly and a positioning plate; the top of the base is provided with a positioning groove group, and the positioning groove group comprises a plurality of positioning grooves which are distributed at intervals along the width direction of the base; the top edge of the base is provided with a positioning assembly, the positioning assembly comprises a plurality of positioning columns arranged along the length direction of the base, and a clamping area is formed between two adjacent positioning columns; the elastic locking assembly comprises a plurality of elastic pressing pieces which are positioned at the side of the base and correspond to the clamping areas one by one, and a plurality of locking pieces which penetrate through the elastic pressing pieces one by one and are connected with the base; the bottom of the positioning plate is provided with a convex column which is in plug-in fit with the positioning groove, and when the convex column penetrates through the positioning groove at a preset position, the positioning plate is fixedly connected with the base and clamps the workpiece together with the elastic pressing piece. A machining machine comprising the quick-change clamp is also disclosed.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a quick-change clamp and a machining machine table, which can quickly realize line change of products with different specifications and are high in universality.
Background
A clamp is a device for clamping a workpiece or a product in a machining operation, which provides positioning for machining of the workpiece, inspection of the product, and the like. At present, the structure of traditional anchor clamps is simpler, only can be used to the location of single specification size work piece product, and at anchor clamps clamp and product line change (from production line on-line and off-line promptly) in-process, the clamp splice on the multi-pass quick replacement frock to constantly mill the clamp splice in order to adapt to different product specifications, especially to the product that appearance structure, precision requirement are higher, the milling precision of clamp splice is higher. When the clamp is adopted, the clamp blocks are continuously re-milled to adapt to the clamp for machining products with different specifications, on one hand, the workshop productivity is wasted, the service life of the clamp is shortened, and on the other hand, the clamp blocks are time-consuming and labor-consuming to mill, so that the line changing speed of the products is reduced, and the machining efficiency of the products is further affected.
Disclosure of Invention
Based on the above, it is necessary to provide a quick-change fixture and a machining machine capable of quickly changing lines of products of different specifications and having high versatility.
A quick-change fixture for mounting on a quick-change system of a machine, comprising:
the base is provided with a positioning groove group at the top, and the positioning groove group comprises a plurality of positioning grooves which are distributed at intervals along the width direction of the base; the top edge of the base is provided with a positioning assembly, the positioning assembly comprises a plurality of positioning columns which are arranged side by side along the length direction of the base at intervals, and a clamping area is formed between two adjacent positioning columns;
the elastic locking assembly comprises a plurality of elastic compression sheets which are arranged on the base, close to one side of the positioning column, and correspond to the clamping areas one by one, and a plurality of locking pieces which penetrate through the elastic compression sheets one by one and are connected with the base, and the top ends of the elastic compression sheets are higher than the top surface of the base;
the positioning plate, the bottom of positioning plate is equipped with and pegs graft complex projection with the constant head tank, when the constant head tank of preset position is worn to establish to the projection, positioning plate and base fixed connection and with elasticity compress tightly the piece and press from both sides tightly the work piece jointly.
In one embodiment, two positioning groove groups are arranged on the top of the base side by side, and two convex columns are arranged at intervals on the bottom of the positioning plate.
In one embodiment, two positioning assemblies are oppositely arranged at the top of the base, the positioning groove group is positioned between the two positioning assemblies, and an elastic locking assembly is respectively arranged at the outer sides of the two positioning assemblies.
In one embodiment, the quick-change fixture comprises two or more positioning plates arranged in parallel between two of the positioning assemblies.
In one embodiment, the base is provided with a plurality of locking holes corresponding to the positioning grooves in the positioning groove group one by one, and the positioning plate is fixedly connected with the base through screws or pins inserted into the locking holes.
In one embodiment, the bottom of the elastic pressing piece is fixedly connected with the side surface of the base, and an elastic adjusting area is formed between the top end of the elastic pressing piece and the side surface of the base.
In one embodiment, the elastic pressing piece is detachably connected with the side face of the base.
In one embodiment, the resilient compression tab is integrally formed with the base.
In one embodiment, the locking member is a screw.
The utility model also discloses a machining machine table, which comprises the quick-change clamp, a clamp seat and a quick-change system which is arranged on the clamp seat in a sliding manner and supports the quick-change clamp.
According to the quick-change clamp and the machining machine table, the positioning groove group and the positioning assembly are arranged at the top of the base, and the elastic locking assembly is arranged at the side of the base, so that a plurality of workpieces can be clamped once for machining, the machining efficiency of the workpieces is improved, when a product is changed, the positioning plate is only required to be adjusted to be positioned at the top of the base, the positioning plate is matched with the positioning groove group at the preset position of the top of the base, namely the size of a clamping area is limited, so that products with specific specification and size are suitable for wire change machining of products with different specifications and sizes, the traditional mode of adapting to wire change of products with different specifications through the positioning grooves of frequent milling tools is replaced, the service life of the clamp is prolonged, quick wire change of products with different specifications is realized, the universality is high, and the machining efficiency of the products is improved.
Drawings
FIG. 1 is a schematic diagram of a quick-change fixture according to an embodiment of the present utility model;
FIG. 2 is a top view of a quick change clamp according to one embodiment of the present utility model;
FIG. 3 is a side view of a quick-change clamp in one embodiment of the utility model;
FIG. 4 is a schematic view of a quick-change fixture according to an embodiment of the present utility model with a positioning plate removed;
FIG. 5 is a schematic view of a positioning plate according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a quick-change fixture according to an embodiment of the present utility model after clamping a product;
FIG. 7 is a schematic view of a quick-change fixture according to another embodiment of the present utility model;
FIG. 8 is a schematic view of the structure of the embodiment of FIG. 7 after the product is clamped by the quick change clamp;
FIG. 9 is a schematic view of a machining tool according to an embodiment of the present utility model;
FIG. 10 is a schematic view of an exploded view of a machining tool according to one embodiment of the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
The utility model discloses a quick-change clamp capable of quickly realizing line change of products with different specifications and high in universality, which is used for being installed on a quick-change system of a machine and clamping products with different specifications. Specifically, please combine fig. 1-5, the quick-change fixture 10 of the present embodiment includes a base 110, an elastic locking assembly 120 and a positioning plate 130, wherein the base 110 is configured to be fixed on a quick-change system of a machine, a positioning lock hole and an adjusting lock hole adapted to the quick-change system are provided at the bottom of the base 110, and the positioning lock hole and the adjusting lock hole respectively provide a connection portion between the base 110 and the quick-change system, so as to increase a mating area of the base 110 and the quick-change system, and improve stability of installation of the base 110 on the quick-change system. The top of the base 110 is provided with a positioning groove group, and the positioning groove group comprises a plurality of positioning grooves 140 which are arranged at intervals along the width direction of the base 110; the top edge of the base 110 is provided with a positioning assembly, which includes a plurality of positioning columns 150 arranged side by side along the length direction of the base 110, and a clamping area 160 is formed between two adjacent positioning columns 150. It should be noted that, for the positioning column 150 located at the edge position in the positioning assembly, a clamping area 160 is also formed between the positioning column 150 at the edge position and the side of the base 110. In this embodiment, a plurality of positioning columns 150 are disposed at intervals on the top edge of the base 110, so that a single product to be clamped is positioned along the length direction of the base 110, and thus, a plurality of products with the same specification and size can be processed simultaneously through a positioning component, thereby improving productivity.
The elastic locking assembly 120 comprises a plurality of elastic pressing pieces 121 which are arranged on the base 110 and adjacent to one side of the positioning column 150 and are in one-to-one correspondence with the clamping areas 160, and a plurality of locking pieces 122 which are arranged in a penetrating manner on the elastic pressing pieces 121 and are connected with the base 110 in one-to-one correspondence, wherein the top end of each elastic pressing piece 121 is higher than the top surface of the base 110 in horizontal height. That is, an elastic pressing piece 121 and a locking piece 122 for locking the elastic pressing piece 121 are disposed at the side of the base 110 corresponding to each clamping area 160, so that tightness of the elastic locking piece 122 is adjusted, and the elastic pressing piece 121 limits the product in the clamping area 160. Preferably, in this embodiment, the locking member 122 is a screw. In other embodiments, the locking member 122 may also have other structures capable of driving the elastic pressing piece 121 to displace, for example, a bolt and a nut are used to match, and the nut pushes the elastic pressing piece 121 to adjust the position of the elastic pressing piece 121.
The bottom of the positioning plate 130 is provided with a convex column 131 which is in plug-in fit with the positioning groove 140, and when the convex column 131 penetrates through the positioning groove 140 at a preset position, the positioning plate 130 is fixedly connected with the base 110 and clamps the workpiece together with the elastic compression piece 121. That is, the positioning plate 130 is matched with the positioning groove 140 at the preset position on the base 110 through the protruding column 131 at the bottom of the positioning plate 130, and the positioning plate 130 is fixed with the top surface of the base 110, so that the positioning of the positioning plate 130 is realized, and meanwhile, the distance between the positioning plate 130 and the elastic pressing piece 121 is limited, and therefore, the top end of the elastic pressing piece 121 (i.e. the part of the elastic pressing piece 121 protruding from the top surface of the base 110) and the positioning plate 130 clamp the product together, so that the limit of the product in the width direction of the base 110 is realized. In this embodiment, the distance between the positioning slots 140 in the same positioning slot set can be selected according to the size difference between the products with different specifications to be processed, when the specifications of the products to be processed change, the positioning plate 130 can be removed first, the products to be processed are placed in the clamping area 160, then the convex columns 131 at the bottom of the positioning plate 130 are inserted into the positioning slots 140 with a corresponding distance from the elastic pressing plate 121, and the positioning of the products is achieved by fixing the positioning plate 130. In addition, according to the size of the product to be clamped, the boss 131 of the positioning plate 130 may be inserted into the corresponding positioning slot 140 in advance, then the locking member 122 is released, the constraint force of the locking member 122 received by the elastic pressing piece 121 is released, and then the elastic deformation is restored, so that the size of the clamping area 160 in the width direction of the base 110 is increased, so that the product is placed into the clamping area 160, then the locking member 122 is fastened again, and the elastic pressing piece 121 presses the product and positions the product together with the positioning plate 130.
Further, a circular groove is formed at the bottom of the positioning groove 140, and an original rod matched with the circular groove in a concave-convex manner is formed at the bottom of the convex column 131, so that the matching area of the positioning plate 130 and the base 110 is further increased, and the connection strength of the positioning plate and the base is improved.
The quick-change fixture 10 of the present utility model may be provided with the positioning component and the elastic locking component 120 only on one side of the base 110, or may be provided with the positioning component and the elastic locking component 120 on both sides of the base 110. In one embodiment, when the positioning component and the elastic locking component 120 are disposed on only one side of the base 110, the quick-change fixture 10 can only perform positioning and clamping on one row of products at a time. In another embodiment, two positioning assemblies are disposed on top of the base 110, the positioning slot set is disposed between the two positioning assemblies, and an elastic locking assembly 120 is disposed on the outer sides of the two positioning assemblies, so that after the positioning plate 130 is fixed, two sides of the fixing plate can be used to clamp a product (as shown in fig. 6), in this case, according to the distance between the positioning plate 130 and the elastic pressing plates 121 on two sides of the base 110, two rows of products with the same specification and size can be clamped on two sides of the positioning plate 130, and two rows of products with different specification and size can be clamped on two sides of the positioning plate 130.
Referring to fig. 7 and 8, in another embodiment, the quick-change fixture 10 includes two or more positioning plates 130 disposed in parallel between two positioning assemblies. Preferably, in this embodiment, the quick-change fixture 10 includes two positioning plates 130 disposed in parallel between two positioning assemblies, so that a product can be clamped between the positioning plates 130 and the elastic pressing plate 121, and a product can be clamped between the two positioning plates 130, so that two rows of products or three rows of products can be clamped, and the productivity is further improved.
It should be noted that, in this embodiment, the positioning plate 130 with different thickness (the dimension along the width direction of the base 110) may be selected according to the dimension of the product to be clamped, so as to achieve fine adjustment of the clamping area 160 in the width direction of the base 110 under the condition that the distance between the preset positioning groove 140 and the elastic pressing piece 121 is fixed. Preferably, in this embodiment, the width of the positioning plate 130 is 8mm. Thus, by using positioning blocks with different sizes and shapes or adding the same positioning blocks for combined assembly, products with the smallest dimension (length x width x height is 20.00mm multiplied by 2.00mm multiplied by h) to the largest dimension (length x width x height is 52.00mm multiplied by 29.00mm multiplied by h) and the height h in the range of 1-30mm can be rapidly taken up and taken down, and the positioning precision can be ensured to be within the tolerance width of 0.10 mm; compared with the traditional tool, only the positioning block capable of being repeatedly used is required to be replaced, and the positioning groove 140 of the tool is not required to be frequently milled, so that the service life of the quick-change plate is greatly prolonged, the service cycle of the clamp is prolonged, and the manufacturing benefit is improved.
In an embodiment, two positioning groove groups are arranged side by side at the top of the base 110, two convex columns 131 are arranged at the bottom of the positioning plate 130 at intervals, and the connecting line of two positioning grooves 140 of the same row is parallel to the length direction of the base 110, so that on one hand, the plugging area of the positioning plate 130 and the base 110 is increased, the stability of connection of the positioning plate 130 and the base 110 is improved, on the other hand, the positioning plate 130 is conveniently and rapidly positioned by the arrangement of two rows of positioning grooves 140, the problem that the positioning plate 130 is difficult to fix due to the swing of the positioning plate 130 when the positioning plate 130 is fixed is prevented, and the difficulty of product clamping is reduced. In addition, in the present embodiment, the inner contour of the positioning groove 140 is adapted to the outer contour of the protruding pillar 131, so as to avoid the protruding pillar 131 from shaking after being inserted into the positioning groove 140, thereby realizing reliable positioning of the positioning plate 130.
Further, in an embodiment, the base 110 is provided with a plurality of locking holes 111 corresponding to the positioning slots 140 in the positioning slot group, and the positioning plate 130 is fixedly connected to the base 110 by screws or pins 112 inserted into the locking holes 111. Specifically, in this embodiment, a row of locking holes 111 is disposed between two positioning slot groups, a row of locking holes 111 is disposed on the outer sides of the two positioning slot groups, that is, three rows of locking holes 111 are disposed on the top surface of the base 110 at intervals, and similarly, two through holes 132 are disposed at two ends and in the middle of the positioning plate 130, so that the positioning plate 130 is fixed on the base 110 by screws or pins 112 correspondingly passing through the three through holes 132 on the positioning plate 130 and the corresponding locking holes 111 on the base 110.
In an embodiment, the bottom of the elastic pressing piece 121 is fixedly connected with the side surface of the base 110, an elastic adjustment area 123 is formed between the top end of the elastic pressing piece 121 and the side surface of the base 110, the elastic adjustment area 123 provides a movement allowance for the displacement of the elastic pressing piece 121 relative to the positioning plate 130 under the extrusion of the locking piece 122, a screw hole is formed in the elastic pressing piece 121, the locking piece 122 penetrates through the screw hole and the elastic adjustment area 123 and is inserted into the side surface of the base 110 to be fixed with the base 110, and the purpose of adjusting the displacement of the elastic pressing piece 121 can be achieved by adjusting the depth of screwing the locking piece 122 into the base 110, so that the clamping and positioning of a product are realized. In one embodiment, the elastic pressing piece 121 is detachably connected to the side of the base 110. In another embodiment, the elastic pressing plate 121 is integrally formed with the base 110, and when the elastic pressing plate 121 is integrally formed with the base 110, a through groove is cut at the top edge of the base 110 in a direction close to the bottom of the base 110, the through groove is the elastic adjustment area 123 of the present embodiment, and a thin sheet of the edge of the base 110 obtained by cutting the through groove is the elastic pressing plate 121 of the present embodiment. In order to reduce the deformation difficulty of the elastic pressing piece 121, in this embodiment, the width of the bottom of the through groove is greater than the width of the top of the through groove, so that the elastic pressing piece 121 swings around the center of the thin portion of the bottom of the elastic pressing piece 121 when the locking piece 122 acts.
Referring to fig. 9 and 10, the present utility model further discloses a machining tool 20, where the machining tool 20 includes the quick-change fixture 10, a fixture seat 200, and a quick-change system slidably disposed on the fixture seat 200 and supporting the quick-change fixture 10. Specifically, the fixture seat 200 is provided with a guide rail 210 and a guide block 220 slidably embedded in the guide rail 210, the quick-change system includes a quick-change base 300 fixed on the guide block 220, a mounting plate 400 fixed on the base 110, and an adjusting seat 500 inserted on the mounting plate 400, and the base 110 of the quick-change fixture 10 is fixed on the adjusting seat 500 by bolts. After the quick-change clamp 10 is adopted by the machining machine 20, the machining machine can adapt to different product specifications through flexible adjustment and replacement of the positioning plate 130, the problems of waste of productivity and low wire replacement efficiency caused by repeated milling of the clamp are avoided, the applicability of the clamp is improved, the manufacturing period of the clamp is shortened, the defects of long manufacturing period, low applicability, short service life of the clamp and the like of the traditional quick-change clamp 10 are avoided, and quick wire replacement of the product is realized.
According to the quick-change clamp 10 and the machining machine 20, the positioning groove groups and the positioning components are arranged at the top of the base 110, and the elastic locking components 120 are arranged at the side of the base 110, so that a plurality of workpieces can be clamped once for machining, the workpiece machining efficiency is improved, when a product is changed, the positioning plate 130 is only required to be adjusted to be positioned at the top of the base 110, the positioning plate 130 is matched with the positioning groove groups at the preset positions at the top of the base 110, namely the size of the clamping area 160 is limited, so that products with specific specification and size are adapted to the line change machining of products with different specifications and sizes, the traditional mode of adapting to the line change of the products with different specifications through the positioning grooves 140 of the frequent milling tool is replaced, the service life of the clamp is prolonged, the quick line change of the products with different specifications is realized, the universality is high, and the product machining efficiency is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A quick change fixture for mounting on a quick change system of a machine, comprising:
the base is provided with a positioning groove group at the top, and the positioning groove group comprises a plurality of positioning grooves which are distributed at intervals along the width direction of the base; the top edge of the base is provided with a positioning assembly, the positioning assembly comprises a plurality of positioning columns which are arranged side by side along the length direction of the base at intervals, and a clamping area is formed between two adjacent positioning columns;
the elastic locking assembly comprises a plurality of elastic compression sheets which are arranged on the base, close to one side of the positioning column, and correspond to the clamping areas one by one, and a plurality of locking pieces which penetrate through the elastic compression sheets one by one and are connected with the base, and the top ends of the elastic compression sheets are higher than the top surface of the base;
the positioning plate, the bottom of positioning plate is equipped with and pegs graft complex projection with the constant head tank, when the constant head tank of preset position is worn to establish to the projection, positioning plate and base fixed connection and with elasticity compress tightly the piece and press from both sides tightly the work piece jointly.
2. The quick change clamp according to claim 1, wherein two positioning groove groups are arranged side by side on the top of the base, and two convex columns are arranged at intervals on the bottom of the positioning plate.
3. The quick-change clamp according to claim 2, wherein two positioning assemblies are oppositely arranged at the top of the base, the positioning groove group is located between the two positioning assemblies, and an elastic locking assembly is respectively arranged at the outer sides of the two positioning assemblies.
4. A quick change clamp according to claim 3, comprising two or more positioning plates arranged in parallel between two of said positioning assemblies.
5. The quick change fixture of claim 4, wherein the base is provided with a plurality of locking holes in one-to-one correspondence with the positioning grooves in the positioning groove group, and the positioning plate is fixedly connected with the base by screws or pins inserted into the locking holes.
6. The quick change clamp of claim 5, wherein the bottom of the elastic pressing piece is fixedly connected with the side surface of the base, and an elastic adjusting area is formed between the top end of the elastic pressing piece and the side surface of the base.
7. The quick change clamp of claim 6, wherein the resilient compression tab is removably attached to a side of the base.
8. The quick change clamp of claim 6, wherein the resilient compression tab is integrally formed with the base.
9. The quick change clamp of claim 7 or 8, wherein the locking member is a screw.
10. A machining tool comprising a quick change clamp according to any one of claims 1 to 9, and further comprising a clamp base, a quick change system slidably disposed on the clamp base and supporting the quick change clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562232.7U CN220029457U (en) | 2023-06-16 | 2023-06-16 | Quick-change clamp and machining machine table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562232.7U CN220029457U (en) | 2023-06-16 | 2023-06-16 | Quick-change clamp and machining machine table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220029457U true CN220029457U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321562232.7U Active CN220029457U (en) | 2023-06-16 | 2023-06-16 | Quick-change clamp and machining machine table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220029457U (en) |
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2023
- 2023-06-16 CN CN202321562232.7U patent/CN220029457U/en active Active
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