CN218503918U

CN218503918U - Clamp and machining equipment

Info

Publication number: CN218503918U
Application number: CN202222620683.3U
Authority: CN
Inventors: 张礼阳; 穆青哲; 张德礼
Original assignee: Guangdong Dexin Die Steel Industrial Co ltd
Current assignee: Guangdong Dexin Die Steel Industrial Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-21
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of the machining apparatus technique and specifically relates to indicate an anchor clamps and processing equipment, which comprises a fixed base, lower holder, well holder, go up the holder, push down the mechanism, locking part and a plurality of elastic component, the top surface of holder is equipped with a plurality of constant head tank one down, the bottom surface of going up the holder is equipped with a plurality of and goes up constant head tank one, the top surface and the bottom surface of well holder are equipped with a plurality of respectively go up constant head tank two and a plurality of constant head tank two down, between holder and the well holder down, go up all via elastic component elastic connection between holder and the well holder, the push down end of pushing down the mechanism is located the top of holder, locking part locking or unblock holder down, well holder and last holder. The clamping mechanism is convenient to operate, the end faces of a plurality of workpieces can be machined by one-time clamping, the workpiece machining efficiency is greatly improved, the clamping times are reduced, the workpieces can be firmly clamped through the dual functions of the pressing mechanism and the locking piece, and safety production is guaranteed.

Description

Clamp and machining equipment

Technical Field

The utility model belongs to the technical field of machining instrument technique and specifically relates to indicate an anchor clamps and processing equipment.

Background

In the machining of a workpiece, generally, the workpiece is clamped and fixed by a jig, and then the clamped workpiece is machined by a machining device such as a machine tool. When the cylindrical workpiece clamp is used, when the conventional cylindrical workpiece clamp clamps a cylindrical workpiece, the cylindrical workpiece is easy to roll or shake in the clamp, and certain influence is caused on the processing of the workpiece. In order to reinforce and clamp a cylindrical workpiece, patent document No. 202020750881.X discloses a machine tool clamp for the cylindrical workpiece, patent document No. 201420474770.5 discloses a cylindrical silicon rod clamp, and patent document No. 201821089626.4 discloses that a round rod clamp can improve clamping firmness of the cylindrical workpiece, but only can clamp a single cylindrical workpiece, and the efficiency of processing the cylindrical workpiece is difficult to improve. In order to increase the number of clamping cylindrical workpieces and improve the efficiency of processing the workpieces, the patent document with the application number of 202120491111.2 discloses a clamping device capable of synchronously processing a plurality of cylindrical workpieces, the patent document with the application number of 201020600009.3 discloses a clamp for milling a cylindrical intersecting line on the end surface of a circular tube, and the patent document with the application number of 201721292842.4 discloses a polishing clamp and a polishing device for a cylindrical rod with an axial hole, which can clamp a plurality of cylindrical workpieces at one time. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an anchor clamps and processing equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixture comprises a fixed seat, a lower clamping piece, a middle clamping piece, an upper clamping piece, a pressing mechanism, a locking piece and a plurality of elastic pieces, wherein the lower clamping piece is installed on the fixed seat and is positioned between the lower clamping piece and the upper clamping piece, a plurality of first lower positioning grooves are concavely arranged on the top surface of the lower clamping piece, a plurality of first upper positioning grooves are concavely arranged on the bottom surface of the upper clamping piece, a plurality of second upper positioning grooves and a plurality of second lower positioning grooves are respectively arranged on the top surface and the bottom surface of the middle clamping piece, a plurality of first lower positioning grooves are respectively in one-to-one correspondence with a plurality of second upper positioning grooves, a plurality of first upper positioning grooves are respectively in one-to-one correspondence with a plurality of second upper positioning grooves, the pressing mechanism is positioned above the upper clamping piece and is used for elastically connecting the upper clamping piece, and the locking piece with the middle clamping piece, the pressing mechanism is used for locking or unlocking the lower clamping piece, the middle clamping piece and the upper clamping piece.

Furthermore, the number of the middle clamping pieces is multiple, the plurality of middle clamping pieces are arranged from top to bottom, the plurality of upper positioning grooves are respectively in one-to-one correspondence with the plurality of lower positioning grooves, and the two adjacent middle clamping pieces are elastically connected through the elastic piece.

Furthermore, the lower clamping piece is provided with a threaded hole, the middle clamping piece is provided with a middle through hole, the upper clamping piece is provided with an upper through hole, the middle through hole and the threaded hole are coaxially arranged, the locking part is a bolt, a stud of the bolt sequentially penetrates through the upper through hole and the middle through hole and then is in threaded connection with the threaded hole, and the elastic piece is sleeved outside the stud of the bolt.

Furthermore, the lower clamping piece is embedded with a threaded sleeve, and the threaded hole is formed in the threaded sleeve.

Furthermore, the top surface and the bottom surface of the middle clamping piece are respectively provided with an upper containing hole and a lower containing hole in a concave manner, and the two ends of the middle through hole are respectively coaxially communicated with the upper containing hole and the lower containing hole; the upper containing hole and the lower containing hole are respectively used for the corresponding elastic pieces to extend into.

Furthermore, the bottom surface of the upper clamping piece is concavely provided with an upper fixing hole, the upper fixing hole is coaxially communicated with the upper through hole, and the upper fixing hole is used for the corresponding elastic piece to extend into.

Furthermore, the top surface of the lower clamping piece is concavely provided with a lower fixing hole, the lower fixing hole is coaxially communicated with the threaded hole, and the lower fixing hole is used for allowing the corresponding elastic piece to stretch into.

Furthermore, the pushing mechanism comprises a pushing driver and a pushing plate arranged at the pushing end of the pushing driver, the pushing plate is positioned above the upper clamping piece, and the pushing driver is used for driving the pushing plate to be close to or far away from the upper clamping piece.

The utility model also provides a processing equipment, including base, removal actuating mechanism, processing mechanism and foretell anchor clamps, the fixing base of anchor clamps is installed in the base, removes actuating mechanism and installs in the base, and processing mechanism and removal actuating mechanism's removal end fixed connection remove actuating mechanism and be used for driving processing mechanism and be close to or keep away from anchor clamps.

Further, the number of the processing mechanisms is two, the two processing mechanisms are oppositely arranged and located on two sides of the clamp, and the moving driving mechanism is used for driving the two processing mechanisms to be close to or far away from each other.

The utility model has the advantages that: in practical application, the lower pressing end of the lower pressing mechanism is located above the upper clamping piece and is in a separated state with the upper clamping piece, the locking piece releases locking force on the lower clamping piece, the middle clamping piece and the upper clamping piece are opened mutually under the action of elastic force of the elastic piece, the lower clamping piece and the middle clamping piece are in an opened state, the middle clamping piece and the upper clamping piece are in an opened state, at the moment, a preset number of workpieces are respectively placed on the plurality of first lower positioning grooves and the plurality of second upper positioning grooves, then the lower pressing end of the lower pressing mechanism moves downwards, the lower pressing end of the lower pressing mechanism abuts against the upper clamping piece and exerts downward force on the upper clamping piece, the plurality of elastic pieces are compressed after being subjected to extrusion force, all the workpieces are clamped by the upper clamping piece, the middle clamping piece and the lower clamping piece under the action of the lower pressing force, then the locking force is exerted on the lower clamping piece, the middle clamping piece and the upper clamping piece by the locking piece, so that all the workpieces can be firmly locked and fixed, all the workpieces are driven to move to be close to the processing mechanism, and all the end faces of the processing fixture. After processing finishes, the holder is gone up in the locking part unblock, well holder and lower holder, then the end of pushing down the mechanism resets, make the end of pushing down the mechanism separate with last holder, meanwhile, the elastic component takes place elasticity and resumes, under the resilience force effect of elastic component, lower holder, well holder and last holder are opened each other, in order to loosen the work piece after the processing, can take away the work piece after the processing this moment and place the work piece of treating the processing on preset the position. The utility model has the advantages of simple structure, it is small, the simple operation, low in production cost, a clamping can be processed the terminal surface of a plurality of work pieces, has improved the efficiency of processing the work piece widely, has reduced the number of times of clamping, has avoided the machining error because of frequent clamping produces, has reduced operating personnel's intensity of labour and cost of labor, and through the dual function of pushing down mechanism and locking part, can firmly the centre gripping work piece, has guaranteed safe production, has improved the quality to the work piece processing.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the processing equipment of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the clamp for clamping a workpiece according to the present invention.

Fig. 3 is a cross-sectional view of the clamp and the workpiece according to the present invention.

Description of reference numerals:

1. a fixed seat; 2. a lower clamping member; 3. a middle clamping piece; 4. an upper clamping member; 5. a mounting frame; 6. a pressing mechanism; 7. a locking member; 8. an elastic member; 9. a first lower positioning groove; 10. a first upper positioning groove; 11. a second lower positioning groove; 12. an upper positioning groove II; 14. a middle via hole; 15. an upper via hole; 16. a threaded hole; 17. a threaded sleeve; 18. an upper accommodating hole; 19. a lower accommodating hole; 20. an upper fixing hole; 22. pressing down the driver; 23. a lower pressing plate; 24. a base; 25. a movement driving mechanism; 26. a processing mechanism; 27. and (5) a workpiece.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model provides a clamp, which comprises a fixed seat 1, a lower clamping member 2, a middle clamping member 3, an upper clamping member 4, an installation frame 5, a pressing mechanism 6, a locking member 7 and a plurality of elastic members 8, wherein the pressing mechanism 6 is installed on the installation frame 5, the installation frame 5 is in a gantry shape, and the installation frame 5 is arranged above the fixed seat 1 so as to hoist the pressing mechanism 6; the lower clamping piece 2 is arranged on the fixed seat 1, the middle clamping piece 3 is positioned between the lower clamping piece 2 and the upper clamping piece 4, the top surface of the lower clamping piece 2 is concavely provided with a plurality of lower positioning grooves I9, the bottom surface of the upper clamping piece 4 is concavely provided with a plurality of upper positioning grooves I10, the top surface and the bottom surface of the middle clamping piece 3 are respectively provided with a plurality of upper positioning grooves II 12 and a plurality of lower positioning grooves II 11, the plurality of lower positioning grooves I9 are respectively arranged in one-to-one correspondence with the plurality of lower positioning grooves II 11, the plurality of upper positioning grooves I10 are respectively arranged in one-to-one correspondence with the plurality of upper positioning grooves II 12, the space between the lower clamping piece 2 and the middle clamping piece 3 and the space between the upper clamping piece 4 and the middle clamping piece 3 are elastically connected through elastic pieces 8, the pressing mechanism 6 is positioned above the upper clamping piece 4, the pressing end of the pressing mechanism 6 is used for exerting a pressing force on the upper clamping piece 4, and the lock 7 is used for locking or unlocking the lower clamping piece 2, the middle clamping piece 3 and the upper clamping piece 4; specifically, the upper positioning groove I10, the upper positioning groove II 12, the lower positioning groove I9 and the lower positioning groove II 11 are all V-shaped or arc-shaped, and the elastic piece 8 is a spring. The utility model also provides a processing device, including base 24, mobile driving mechanism 25, processing mechanism 26 and above-mentioned anchor clamps, the fixing base 1 of anchor clamps is installed in base 24, mobile driving mechanism 25 is installed in base 24, processing mechanism 26 is connected with the removal end of mobile driving mechanism 25 fixedly, mobile driving mechanism 25 is used for driving processing mechanism 26 to approach to or keep away from the anchor clamps; the machining mechanism 26 is a grinding mechanism, a turning mechanism, or the like.

In practical application, the lower pressing end of the lower pressing mechanism 6 is located above the upper clamping member 4 and is separated from the upper clamping member 4, the locking member 7 releases the locking force on the lower clamping member 2, the middle clamping member 3 and the upper clamping member 4 are opened by the elastic force of the elastic member 8, so that the lower clamping member 2 and the middle clamping member 3 are opened, the middle clamping member 3 and the upper clamping member 4 are opened, a preset number of workpieces 27 are respectively placed on the plurality of lower positioning grooves one 9 and the plurality of upper positioning grooves two 12, the lower pressing end of the lower pressing mechanism 6 moves downwards, so that the lower pressing end of the lower pressing mechanism 6 abuts against the upper clamping member 4 and applies a downward force to the upper clamping member 4, the plurality of elastic members 8 are compressed after being subjected to an extrusion force, so that the upper clamping member 4, the middle clamping member 3 and the lower clamping member 2 clamp all the workpieces 27 under the downward pressure, then the locking member 7 further applies a downward force to the middle clamping member 3 and the upper clamping member 4, and the lower clamping member 4 applies a downward force to the locking member to move the clamping mechanism 26 so that all the workpieces 27 can be processed by the locking mechanism 26, and all the clamping mechanism can be processed by moving the clamping mechanism 26. After processing finishes, holder 4 in the locking part 7 unblock, well holder 3 and lower holder 2, then the end of pushing down of mechanism 6 resets, make the end of pushing down of mechanism 6 and last holder 4 separation, meanwhile, elastic component 8 takes place elastic recovery, under the resilience force effect of elastic component 8, lower holder 2, well holder 3 and last holder 4 are opened each other, in order to loosen work piece 27 after the processing, can take away the work piece 27 after the processing this moment and place the work piece 27 of waiting to process on preset the position. The utility model has the advantages of simple structure, and is small, the simple operation, low in production cost, a clamping can be processed a plurality of work piece 27's terminal surface, the efficiency of processing work piece 27 has been improved widely, the number of times of clamping has been reduced, avoided because of the machining error that frequent clamping produced, operating personnel's intensity of labour and cost of labor have been reduced, and through the dual function of pushing down mechanism 6 and locking part 7, can firmly hold workpiece 27, safety in production has been guaranteed, the quality of processing to workpiece 27 has been improved. The utility model discloses specially adapted carries out centre gripping processing to the pole.

Preferably, the inner walls of the first upper positioning groove 10, the second upper positioning groove 12, the first lower positioning groove 9 and the second lower positioning groove 11 are provided with elastic pads, and the elastic pads can be rubber pads. Through the contact of elasticity protection pad and work piece 27, the effect of buffering protection is played to the elasticity protection pad, avoids work piece 27 to be hindered or the clamp mark appears by the clamp, also avoids work piece 27 and holder (go up holder 4, well holder 3 or holder 2 down) to take place hard impact collision, and the elasticity protection pad can increase the frictional force with work piece 27, has improved the fastness of centre gripping work piece 27 for work piece 27 is more stable, has improved the quality of processing work piece 27.

In this embodiment, the quantity of well holder 3 is a plurality of, and a plurality of holder 3 is from the top down arranged and is set up, and constant head tank two 12 sets up with second 11 one-to-one in the constant head tank under a plurality of respectively on a plurality of, and holder 3 is via 8 elastic connection of elastic component in two adjacent. Due to the structural design, the number of workpieces 27 which can be clamped at one time is greatly increased, and the efficiency of machining the workpieces 27 is further improved.

In this embodiment, the lower clamping member 2 is provided with a threaded hole 16, the middle clamping member 3 is provided with a middle through hole 14, the upper clamping member 4 is provided with an upper through hole 15, the middle through hole 14 and the threaded hole 16 are coaxially arranged, the locking member 7 is a bolt, a stud of the bolt sequentially penetrates through the upper through hole 15 and the middle through hole 14 and then is in threaded connection with the threaded hole 16, and the elastic member 8 is sleeved outside the stud of the bolt. The structure is designed, the bolt is screwed or unscrewed to lock or unlock the upper clamping piece 4, the middle clamping piece 3 and the lower clamping piece 2; when the bolt is in a tightened state, the elastic piece 8 is in a compressed state, and the workpiece 27 is clamped; when the bolt is in the unscrewed state, the elastic member 8 is in the extended state and the workpiece 27 is released.

In this embodiment, the lower clamp 2 is fitted with a threaded bushing 17, and the threaded hole 16 is provided in the threaded bushing 17. This structural design, the change of the thread bush 17 of being convenient for prevents to reduce the maintenance cost because of the screw hole 16 became invalid and need whole change holder 2 down.

In this embodiment, the top surface and the bottom surface of the middle clamping member 3 are respectively provided with an upper containing hole 18 and a lower containing hole 19 in a concave manner, and two ends of the middle through hole 14 are respectively coaxially communicated with the upper containing hole 18 and the lower containing hole 19; the upper accommodating hole 18 and the lower accommodating hole 19 are respectively used for the corresponding elastic pieces 8 to extend into. One end of the elastic part 8 protrudes into the upper containing hole 18 or the lower containing hole 19, and the upper containing hole 18 and the lower containing hole 19 respectively position the corresponding elastic part 8, so that the elastic part 8 can be conveniently assembled and disassembled, and the working stability of the elastic part 8 is improved.

In this embodiment, the bottom surface of the upper clamping member 4 is concavely provided with an upper fixing hole 20, the upper fixing hole 20 is coaxially communicated with the upper through hole 15, and the upper fixing hole 20 is used for the corresponding elastic member 8 to extend into. The two ends of the elastic part 8 respectively protrude into the upper fixing hole 20 and the upper accommodating hole 18, so that the position precision and the stability of the elastic part 8 are further improved, and the elastic part 8 is more stable in use.

In this embodiment, the top surface of the lower clamping member 2 is concavely provided with a lower fixing hole, the lower fixing hole is coaxially communicated with the threaded hole 16, and the lower fixing hole is used for the corresponding elastic member 8 to extend into. The two ends of the elastic part 8 respectively protrude into the lower fixing hole and the lower accommodating hole 19, so that the position precision and the stability of the elastic part 8 are further improved, and the elastic part 8 is more stable in use.

In this embodiment, the pressing mechanism 6 includes a pressing driver 22 installed on the mounting frame 5 and a pressing plate 23 installed at a pressing end of the pressing driver 22, the pressing plate 23 is located above the upper clamping member 4, and the pressing driver 22 is used for driving the pressing plate 23 to approach or leave the upper clamping member 4; preferably, the push-down driver 22 may employ an air cylinder. In practical application, after the workpiece 27 to be machined is placed at a preset position to complete the discharging of the workpiece 27, the lower pressing driver 22 drives the lower pressing plate 23 to move downwards, so that the lower pressing plate 23 applies a downward force to the upper clamping member 4, and the upper clamping member 4, the middle clamping member 3 and the lower clamping member 2 clamp all the workpieces 27, so that the locking member 7 locks the upper clamping member 4, the middle clamping member 3 and the lower clamping member 2 together. After the locking piece 7 unlocks the upper clamping piece 4, the middle clamping piece 3 and the lower clamping piece 2, the lower pressing driver 22 drives the lower pressing plate 23 to move upwards until the lower pressing plate 23 is separated from the upper clamping piece 4, and the resilience force of the elastic piece 8 bounces the upper clamping piece 4 and the middle clamping piece 3 to release the workpiece 27. This mechanism 6 pushes down's simple structure, and control is convenient, can be fast and effectively push up holder 4 in the underground.

In this embodiment, the number of the processing mechanisms 26 is two, the two processing mechanisms 26 are disposed opposite to each other and on both sides of the jig, and the movement driving mechanism 25 is configured to drive the two processing mechanisms 26 to approach or separate from each other. When a workpiece 27 clamped by the clamp needs to be machined, the moving driving mechanism 25 drives the two machining mechanisms 26 to move close to each other, so that the two machining mechanisms 26 respectively machine two ends of all the workpieces 27, the two ends of the workpieces 27 can be machined by one-time clamping, and the efficiency of machining the workpieces 27 is further improved.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A clamp, characterized by: the clamping device comprises a fixed seat, a lower clamping piece, a middle clamping piece, an upper clamping piece, a pressing mechanism, a locking piece and a plurality of elastic pieces, wherein the lower clamping piece is installed on the fixed seat, the middle clamping piece is positioned between the lower clamping piece and the upper clamping piece, the top surface of the lower clamping piece is concavely provided with a plurality of first lower positioning grooves, the bottom surface of the upper clamping piece is concavely provided with a plurality of first upper positioning grooves, the top surface and the bottom surface of the middle clamping piece are respectively provided with a plurality of second upper positioning grooves and a plurality of second lower positioning grooves, the plurality of first lower positioning grooves are respectively arranged in one-to-one correspondence with the plurality of second lower positioning grooves, the plurality of first upper positioning grooves are respectively arranged in one-to-one correspondence with the plurality of second upper positioning grooves, the lower clamping piece and the middle clamping piece are respectively connected through the elastic pieces, the pressing mechanism is positioned above the upper clamping piece, the pressing end of the pressing mechanism is used for exerting pressing force on the upper clamping piece, and the locking piece or unlocking the lower clamping piece, the middle clamping piece and the upper clamping piece.

2. A clamp as claimed in claim 1, wherein: the number of the middle clamping pieces is multiple, the plurality of middle clamping pieces are arranged from top to bottom, the plurality of upper positioning grooves are respectively in one-to-one correspondence with the plurality of lower positioning grooves, and the two adjacent middle clamping pieces are elastically connected through the elastic piece.

3. A clamp as claimed in claim 1, wherein: the lower clamping piece is provided with a threaded hole, the middle clamping piece is provided with a middle through hole, the upper clamping piece is provided with an upper through hole, the middle through hole and the threaded hole are coaxially arranged, the locking part is a bolt, a stud of the bolt sequentially penetrates through the upper through hole and the middle through hole and then is in threaded connection with the threaded hole, and the elastic piece is sleeved outside the stud of the bolt.

4. A clamp as claimed in claim 3, wherein: the lower clamping piece is embedded with a threaded sleeve, and the threaded hole is formed in the threaded sleeve.

5. A clamp as claimed in claim 3, wherein: the top surface and the bottom surface of the middle clamping piece are respectively provided with an upper containing hole and a lower containing hole in a concave mode, and the two ends of the middle through hole are respectively coaxially communicated with the upper containing hole and the lower containing hole; the upper containing hole and the lower containing hole are respectively used for the corresponding elastic pieces to extend into.

6. A clamp as claimed in claim 3, wherein: the bottom surface of the upper clamping piece is concavely provided with an upper fixing hole, the upper fixing hole is coaxially communicated with the upper via hole, and the upper fixing hole is used for the corresponding elastic piece to stretch into.

7. A clamp as claimed in claim 3, wherein: the top surface of the lower clamping piece is concavely provided with a lower fixing hole, the lower fixing hole is coaxially communicated with the threaded hole, and the lower fixing hole is used for allowing the corresponding elastic piece to stretch into.

8. A clamp as claimed in claim 1, wherein: the pressing mechanism comprises a pressing driver and a pressing plate arranged at the pressing end of the pressing driver, the pressing plate is located above the upper clamping piece, and the pressing driver is used for driving the pressing plate to be close to or far away from the upper clamping piece.

9. A processing apparatus, characterized by: the clamp comprises a base, a moving driving mechanism, a processing mechanism and the clamp as claimed in any one of claims 1 to 8, wherein the fixed seat of the clamp is arranged on the base, the moving driving mechanism is arranged on the base, the processing mechanism is fixedly connected with the moving end of the moving driving mechanism, and the moving driving mechanism is used for driving the processing mechanism to approach or leave the clamp.

10. A processing apparatus according to claim 9, wherein: the number of the processing mechanisms is two, the two processing mechanisms are oppositely arranged and located on two sides of the clamp, and the moving driving mechanism is used for driving the two processing mechanisms to be close to or far away from each other.