CN215967600U

CN215967600U - But quick replacement's digit control machine tool anchor clamps

Info

Publication number: CN215967600U
Application number: CN202121344638.9U
Authority: CN
Inventors: 周爱国; 胡建波; 李鹏; 张滔; 戴继东; 谭晓芳
Original assignee: Hunan National Defense Industry Vocational And Technical College
Current assignee: Hunan National Defense Industry Vocational And Technical College
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-03-08
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a quick-replaceable numerical control machine tool fixture which comprises a workbench, wherein a material discharging plate is arranged on the upper wall surface of the workbench, two pairs of first sliding openings are formed in the material discharging plate, two pairs of guide rails are fixedly arranged on the upper wall surface of the workbench, the guide rails are arranged in the first sliding openings, electric slide blocks are connected onto the guide rails, small part clamping mechanisms are connected onto the upper wall surface of the electric slide blocks, and quick connecting mechanisms are arranged inside the small part clamping mechanisms. The utility model relates to the technical field of numerical control machines, in particular to a small part clamping mechanism which is used when small parts need to be clamped and fixed and can be pre-fixed through a pair of cylinders, a first motor connected with a bidirectional threaded rod is driven after the small parts are pre-fixed, and when large parts need to be fixed, a clamp shell and a base plate become a part of clamps when the large parts are clamped, so that convenience is brought to machining, auxiliary machining time is effectively shortened, and machining efficiency is improved.

Description

But quick replacement's digit control machine tool anchor clamps

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool clamp capable of being quickly replaced.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, can move and machine parts according to a programmed program, integrates the technologies of machinery, automation, computers, microelectronics and the like, solves the machining problem of complex, precise and small-batch parts, and is a flexible and high-efficiency automatic machine tool.

The utility model discloses a utility model patent with publication number CN212762254U proposes a fixture fixing mechanism of digit control machine tool, including revolution mechanic, fastening structure, fixture mounting panel, the upper end fixed mounting of revolution mechanic has fastening structure, the upper end joint of fastening structure has the fixture mounting panel, revolution mechanic includes shell, servo motor, stirring tooth, bracing piece, auxiliary tooth, installation pole, the inside fixed mounting of shell has servo motor, drives the anchor strut through the connecting block and removes, makes the upper end joint of anchor strut outside the fixture mounting panel, thereby makes when carrying out the centre gripping, positioning time is short, has improved the fastening effect of fixture, drives the connection tooth to rotate through stirring the tooth, makes the connection tooth drive the installation shell to rotate, thereby makes can carry out angle modulation according to the demand after the centre gripping, thereby effectively ensures the normal work of fixture, and then the working efficiency of the machine tool is improved. However, the device can realize the function of clamping the workpiece, but the device cannot simultaneously clamp large parts and small parts.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a numerical control machine tool clamp capable of being replaced quickly, and solves the problem that the device cannot clamp large parts and small parts at the same time.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a but quick replacement's digit control machine tool anchor clamps, includes the workstation, the flitch is installed to the wall on the workstation, it has two pairs of first sliding exits to open on the flitch, wall fixed mounting has two pairs of guide rails on the workstation, the guide rail is located in the first sliding exit, be connected with electronic slider on the guide rail, the wall is connected with finding clamping mechanism on the electronic slider, finding clamping mechanism inside is equipped with quick coupling mechanism.

Preferably, the small part clamping mechanism comprises a clamp shell, the clamp shell is arranged above the electric sliding block, a pair of fixed plates is arranged on the upper wall surface of the clamp shell, an air cylinder is fixedly arranged on the fixed plates, the air cylinder penetrates through the fixed plates, the telescopic end of the air cylinder is connected with a sliding plate, a second sliding port and a third sliding port are formed in the upper wall surface of the clamp shell, a sliding pin is arranged on the lower wall surface of the sliding plate, the sliding pin is connected in the second sliding port in a sliding manner, a first motor is fixedly arranged on the side wall surface of the clamp shell, the driving end of the first motor is connected with a bidirectional threaded rod, the bidirectional threaded rod is movably connected to the side wall surface of the clamp shell, the tail end of the bidirectional threaded rod is movably connected to the inner wall surface of the clamp shell, guide pins are screwed at two ends of the bidirectional threaded rod, the guide pins are connected in the third sliding port in a sliding manner, and clamp plates are fixedly arranged on the guide pins, and one side of the clamp shell is connected with a damping mechanism.

Preferably, damper includes a pair of connecting block, and is a pair of connecting block fixed mounting in anchor clamps shell both sides wall face, connecting block one side is equipped with the backing plate, the backing plate with the anchor clamps shell is connected through a pair of spliced pole and a pair of damping cylinder, the damping cylinder outside is equipped with the spring, spring coupling in the backing plate with between the anchor clamps shell.

Preferably, the quick connection mechanism comprises a pair of second motors, the second motors are fixedly mounted on two side wall surfaces of the clamp shell, a threaded rod is connected to a driving end of the second motor, an internal thread sliding block is screwed on the threaded rod, fourth sliding openings are formed in the two side wall surfaces of the clamp shell, the internal thread sliding block is connected in the fourth sliding opening in a sliding mode, a pair of fixing columns is fixedly mounted on the upper wall surface of the electric sliding block, clamping grooves are formed in the side wall surfaces of the fixing columns, a pair of sliding holes are formed in the bottom of the clamp shell, and the fixing columns slide in the sliding holes.

Preferably, the side wall surface of the clamp shell is fixedly provided with a limiting block, and the threaded rod is movably connected with the limiting block.

Preferably, the two-way threaded rod is provided with threads with opposite screwing directions at two ends.

Preferably, the lower wall surface of the base plate slides on the upper wall surface of the guide rail, and the upper wall surface of the guide rail is flush with the upper wall surface of the material discharging plate.

Advantageous effects

The utility model provides a numerical control machine tool clamp capable of being replaced quickly, which has the advantages that the device is compact in structure, when small parts need to be clamped and fixed, a small part clamping mechanism is used, the small part clamping mechanism can be pre-fixed through a pair of air cylinders, a first motor connected with a bidirectional threaded rod is driven after pre-fixing, workpieces are completely fixed and can be machined after complete fixing, when large workpieces need to be fixed, a clamp shell and a backing plate become a part of a clamp when the large workpieces are clamped, the clamp shell is driven through an electric sliding block to clamp the large workpieces, when the clamp needs to be maintained, the driving end of a second motor can be driven to rotate, so that an internal thread sliding block slides out of a clamping groove, the small part clamping mechanism is taken down from the electric sliding block, convenience is brought to machining, and auxiliary machining time is effectively shortened, the processing efficiency is improved.

Drawings

FIG. 1 is a schematic top view of the present invention.

FIG. 2 is a schematic top view of the small parts clamping mechanism of the present invention.

FIG. 3 is a schematic front view of the present invention.

FIG. 4 is a schematic view of the interior of the housing of the clamp of the present invention.

FIG. 5 is a side view of the interior of the clamp housing of the present invention.

In the figure: 1. a work table; 2. a material placing plate; 3. a first sliding port; 4. a guide rail; 5. an electric slider; 6. a clamp housing; 7. a fixing plate; 8. a cylinder; 9. a slide plate; 10. a second sliding port; 11. a third sliding port; 12. a slide pin; 13. a first motor; 14. a bidirectional threaded rod; 15. a guide pin; 16. a splint; 17. connecting blocks; 18. a base plate; 19. connecting columns; 20. a damping hydraulic cylinder; 21. a second motor; 22. a threaded rod; 23. an internal thread slider; 24. a fourth sliding port; 25. fixing a column; 26. a slide hole; 27. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a quick replaceable numerical control machine tool fixture comprises a workbench 1, a material discharging plate 2 is mounted on the upper wall surface of the workbench 1, two pairs of first sliding ports 3 are formed on the material discharging plate 2, two pairs of guide rails 4 are fixedly mounted on the upper wall surface of the workbench 1, the guide rails 4 are arranged in the first sliding ports 3, an electric sliding block 5 is connected onto the guide rails 4, a small part clamping mechanism is connected onto the upper wall surface of the electric sliding block 5, a quick connection mechanism is arranged inside the small part clamping mechanism, the small part clamping mechanism comprises a fixture housing 6, the fixture housing 6 is arranged above the electric sliding block 5, a pair of fixing plates 7 is mounted on the upper wall surface of the fixture housing 6, an air cylinder 8 is fixedly mounted on the fixing plates 7, the air cylinder 8 penetrates through the fixing plates 7, a telescopic end of the air cylinder is connected with a sliding plate 9, a second sliding port 10 and a third sliding port 11 are formed on the upper wall surface of the fixture housing 6, the wall surface is equipped with smooth round pin 12 under slide 9, smooth round pin 12 sliding connection in the smooth mouthful 10 of second, anchor clamps shell 6 side wall face fixed mounting has first motor 13, first motor 13 drive end is connected with two-way threaded rod 14, two-way threaded rod 14 swing joint in anchor clamps shell 6 side wall face, and end swing joint in anchor clamps shell 6 internal face, two-way threaded rod 14 both ends all have connect the uide pin 15 soon, uide pin 15 sliding connection in the smooth mouthful 11 of third, wall fixed mounting has splint 16 on the uide pin 15, anchor clamps shell 6 one side is connected with damper, damper includes a pair of connecting block 17, a pair of connecting block 17 fixed mounting in anchor clamps shell 6 two sides, connecting block 17 one side is equipped with backing plate 18, backing plate 18 with anchor clamps shell 6 is connected through a pair of spliced pole 19 and a pair of damping hydraulic cylinder 20, a spring is arranged on the outer side of the damping hydraulic cylinder 20, the spring is connected between the base plate 18 and the clamp shell 6, the quick connection mechanism comprises a pair of second motors 21, the pair of second motors 21 are fixedly installed on two side wall surfaces of the clamp shell 6, the driving end of the second motor 21 is connected with a threaded rod 22, an internal thread slider 23 is screwed on the threaded rod 22, fourth sliding openings 24 are formed in the two side wall surfaces of the clamp shell 6, the internal thread slider 23 is slidably connected in the fourth sliding openings 24, a pair of fixed columns 25 are fixedly installed on the upper wall surface of the electric slider 5, clamping grooves 27 are formed in the side wall surfaces of the fixed columns 25, a pair of sliding holes 26 are formed in the bottom of the clamp shell 6, the fixed columns 25 slide in the sliding holes 26, limit blocks are fixedly installed on the side wall surfaces of the clamp shell 6, and the threaded rod 22 is movably connected to the limit blocks, two ends of the bidirectional threaded rod 14 are provided with threads with opposite rotating directions, the lower wall surface of the backing plate 18 slides on the upper wall surface of the guide rail 4, and the upper wall surface of the guide rail 4 is flush with the upper wall surface of the material discharging plate 2.

Example (b): when clamping a small part, a workpiece is placed on the upper wall surface of the clamp shell 6, the telescopic end of the driving air cylinder 8 extends, the sliding plate 9 pre-fixes the workpiece at the moment, the driving end of the second motor 21 is driven to rotate after the workpiece is pre-fixed, the bidirectional threaded rod 14 rotates, the clamping plate 16 completely fixes the workpiece at the moment, and then the workpiece can be processed, when a large workpiece needs to be clamped, the electric sliding block 5 is controlled to slide on the guide rail 4, the large workpiece is fixed by the backing plate 18 at the moment, then the processing can be started, when the small part clamping mechanism needs to be disassembled greatly, the driving end of the second motor 21 can be driven to rotate, so that the internal thread sliding block 23 slides out of the clamping groove 27, the small part clamping mechanism is taken down from the electric sliding block 5, and the damping mechanism can protect the small part clamping mechanism through the spring and the damping hydraulic cylinder 20, and convenience is brought to people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but quick replacement's digit control machine tool anchor clamps, includes workstation (1), its characterized in that, flitch (2) are installed to the wall on workstation (1), it has two pairs of first sliding port (3) to open on flitch (2), wall fixed mounting has two pairs of guide rails (4) on workstation (1), guide rail (4) are located in first sliding port (3), be connected with electronic slider (5) on guide rail (4), the wall is connected with finding clamping mechanism on electronic slider (5), finding clamping mechanism inside is equipped with quick coupling mechanism.

2. The numerical control machine tool fixture capable of being replaced quickly as claimed in claim 1, wherein the small part clamping mechanism comprises a fixture housing (6), the fixture housing (6) is arranged above the electric sliding block (5), a pair of fixing plates (7) is arranged on the upper wall surface of the fixture housing (6), an air cylinder (8) is fixedly arranged on the fixing plates (7), the air cylinder (8) penetrates through the fixing plates (7), the telescopic end of the air cylinder is connected with a sliding plate (9), a second sliding opening (10) and a third sliding opening (11) are formed in the upper wall surface of the fixture housing (6), a sliding pin (12) is arranged on the lower wall surface of the sliding plate (9), the sliding pin (12) is connected in the second sliding opening (10) in a sliding manner, a first motor (13) is fixedly arranged on the side wall surface of the fixture housing (6), and a driving end of the first motor (13) is connected with a bidirectional threaded rod (14), two-way threaded rod (14) swing joint in anchor clamps shell (6) side wall face, and terminal swing joint in anchor clamps shell (6) internal face, two-way threaded rod (14) both ends have all connect guide pin (15) soon, guide pin (15) sliding connection in third sliding port (11), wall fixed mounting has splint (16) on guide pin (15), anchor clamps shell (6) one side is connected with damper.

3. The numerical control machine tool fixture capable of being replaced quickly as claimed in claim 2, wherein the damping mechanism comprises a pair of connecting blocks (17), the pair of connecting blocks (17) is fixedly installed on two side wall surfaces of the fixture housing (6), a backing plate (18) is arranged on one side of each connecting block (17), the backing plate (18) is connected with the fixture housing (6) through a pair of connecting columns (19) and a pair of damping hydraulic cylinders (20), and springs are arranged on the outer sides of the damping hydraulic cylinders (20) and are connected between the backing plate (18) and the fixture housing (6).

4. The numerical control machine tool clamp capable of being rapidly replaced according to claim 2, the quick connecting mechanism comprises a pair of second motors (21), the pair of second motors (21) are fixedly arranged on the two side wall surfaces of the clamp shell (6), the driving end of the second motor (21) is connected with a threaded rod (22), an internal thread sliding block (23) is screwed on the threaded rod (22), the side wall surfaces of two sides of the clamp shell (6) are respectively provided with a fourth sliding opening (24), the internal thread sliding block (23) is connected in the fourth sliding opening (24) in a sliding way, a pair of fixed columns (25) are fixedly arranged on the upper wall surface of the electric slider (5), a clamping groove (27) is formed in the side wall surface of the fixing column (25), a pair of sliding holes (26) is formed in the bottom of the clamp shell (6), and the fixing column (25) slides in the sliding holes (26).

5. The numerical control machine tool clamp capable of being replaced quickly as claimed in claim 2, wherein a limiting block is fixedly installed on the side wall surface of the clamp shell (6), and the threaded rod (22) is movably connected to the limiting block.

6. A quick-replaceable numerically-controlled machine tool clamp according to claim 2, characterized in that said two-way threaded rod (14) has threads with opposite hand at both ends.

7. A quick-replaceable numerically-controlled machine tool clamp according to claim 3, wherein the lower wall surface of the backing plate (18) slides on the upper wall surface of the guide rail (4), and the upper wall surface of the guide rail (4) is flush with the upper wall surface of the material discharging plate (2).