CN215847112U

CN215847112U - Clamp with good clamping effect for precision machining

Info

Publication number: CN215847112U
Application number: CN202122189577.XU
Authority: CN
Inventors: 刘颖
Original assignee: Shanghai Pantai Mould Manufacturing Co ltd
Current assignee: Shanghai Pantai Mould Manufacturing Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-18
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a machining clamp with a good clamping effect for precision machining, which comprises a base, wherein supporting rods are fixedly arranged on the left side and the right side of the top of the base, a transmission case is fixedly arranged on the top of each supporting rod, an air cylinder is fixedly arranged on the back side of the transmission case, the output end of the air cylinder is fixedly connected with a first toothed plate, the left side and the right side of the inner cavity of the transmission case are movably connected with a polished rod through bearings, and a first gear is fixedly arranged at the middle end of the outer surface of the polished rod. According to the utility model, the cylinder extends to drive the first toothed plate to move towards the front side, the first toothed plate drives the first gear to rotate under the meshing action of the teeth, the first gear drives the polished rod to rotate, the polished rod drives the second gear to rotate, the second gear drives the second toothed plate to move downwards under the meshing action of the teeth, and the second toothed plate drives the clamping plate to move downwards through the connecting rod, so that a workpiece to be processed is fixed.

Description

Clamp with good clamping effect for precision machining

Technical Field

The utility model relates to the technical field of precision machining, in particular to a clamp for machining, which has a good clamping effect and is used for precision machining.

Background

The precision machining is a process of changing the external dimension or performance of a workpiece by using a machining machine, and is divided into cold machining and hot machining according to the temperature state of the workpiece to be machined, the machining is generally carried out at normal temperature, the chemical or phase change of the workpiece is not caused, the cold machining is called cold machining, the chemical or phase change of the workpiece is caused by the machining generally at the state higher than or lower than the normal temperature, the hot machining is called hot machining, the cold machining can be divided into cutting machining and pressure machining according to the difference of machining modes, the hot machining is commonly carried out by heat treatment, forging, casting and welding, and a clamp is required in the precision machining.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a machining clamp with a good clamping effect for precision machining, which has the advantage of good clamping effect and solves the problem that the existing clamp is not ideal in clamping effect and is inconvenient for people to use.

In order to achieve the purpose, the utility model provides the following technical scheme: the clamp for machining with good clamping effect for precision machining comprises a base, wherein supporting rods are fixedly mounted on the left side and the right side of the top of the base, a transmission case is fixedly mounted at the top of each supporting rod, an air cylinder is fixedly mounted on the back side of the transmission case, a first toothed plate is fixedly connected to the output end of the air cylinder, a polished rod is movably connected to the left side and the right side of the inner cavity of the transmission case through bearings, a first gear is fixedly mounted at the middle end of the outer surface of the polished rod, the bottom of the first gear is meshed with the top of the first toothed plate through teeth, second reserved grooves are formed in the left side and the right side of the front surface of the transmission case, second gears are fixedly mounted on the left side and the right side of the outer surface of the polished rod, the front sides of the second gears penetrate through the inner cavities of the second reserved grooves and extend to the front sides of the transmission case, and second toothed plates are meshed with the front sides of the second gears, the bottom fixed mounting of second pinion rack has the connecting rod, the bottom fixed mounting of connecting rod has splint, the bottom of splint is provided with first rubber pad.

Preferably, the second spout has all been seted up to the left and right sides on transmission case obverse surface, the equal fixed mounting in the left and right sides of second pinion rack dorsal part has the slider, and the dorsal part sliding connection of slider is in the inner chamber of second spout.

Preferably, a first preformed groove is formed in the middle end of the front surface of the transmission case, and the front side of the first toothed plate penetrates through the inner cavity of the first preformed groove and extends to the front side of the transmission case.

Preferably, first spout has all been seted up to the left and right sides of transmission case inner chamber, the equal fixed mounting in the left and right sides of first pinion rack has the slide bar, and the outside sliding connection of slide bar is in the inner chamber of first spout.

Preferably, a battery box is fixedly mounted at the top of the transmission case, a storage battery is fixedly mounted at the bottom of an inner cavity of the battery box, and a charging hole is formed in the left side of the battery box.

Preferably, all fixed mounting has the supporting leg all around of base bottom, the bottom of supporting leg is provided with the second rubber pad.

Compared with the prior art, the utility model provides a precision machining clamp with good clamping effect, which has the following beneficial effects:

1. according to the utility model, the cylinder extends to drive the first toothed plate to move towards the front side, the first toothed plate drives the first gear to rotate under the meshing action of the teeth, the first gear drives the polished rod to rotate, the polished rod drives the second gear to rotate, the second gear drives the second toothed plate to move downwards under the meshing action of the teeth, the second toothed plate drives the clamping plate to move downwards through the connecting rod, a workpiece to be processed is fixed, and through the matching of the structures, the problem that the existing clamp is not ideal in clamping effect, so that the clamp is inconvenient to use by people is solved.

2. The anti-skid device has the advantages that the anti-skid effect can be achieved by arranging the second rubber pad, the workpiece can be prevented from being damaged by the clamping plate by arranging the first rubber pad, the device can be powered on when power is cut off by arranging the storage battery, and the stability of the first toothed plate can be improved by arranging the sliding rod and the first sliding groove.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top cross-sectional view of the transmission case of the present invention;

FIG. 3 is a left side view of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a second toothed plate; 4. a transmission case; 5. a charging hole; 6. a storage battery; 7. a battery case; 8. a first preformed groove; 9. a first toothed plate; 10. a connecting rod; 11. a splint; 12. supporting legs; 13. a first rubber pad; 14. a second rubber pad; 15. a second chute; 16. a polish rod; 17. a first chute; 18. a slide bar; 19. a cylinder; 20. a second gear; 21. a slider; 22. a second preformed groove; 23. a first gear.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The base 1, the support rod 2, the second toothed plate 3, the transmission case 4, the charging hole 5, the storage battery 6, the battery box 7, the first preformed groove 8, the first toothed plate 9, the connecting rod 10, the clamping plate 11, the support leg 12, the first rubber pad 13, the second rubber pad 14, the second sliding groove 15, the polish rod 16, the first sliding groove 17, the slide rod 18, the cylinder 19, the second gear 20, the slide block 21, the second preformed groove 22 and the first gear 23 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the utility model can be known by technical manuals or conventional experimental methods.

Referring to fig. 1-3, a precision machining clamp with good clamping effect comprises a base 1, wherein supporting legs 12 are fixedly mounted on the periphery of the bottom of the base 1, second rubber pads 14 are arranged on the bottoms of the supporting legs 12, the anti-skidding effect can be achieved by arranging the second rubber pads 14, supporting rods 2 are fixedly mounted on the left side and the right side of the top of the base 1, a transmission case 4 is fixedly mounted on the top of each supporting rod 2, a battery case 7 is fixedly mounted on the top of each transmission case 4, a storage battery 6 is fixedly mounted at the bottom of an inner cavity of each battery case 7, the device can be powered up in power failure by arranging the storage battery 6, a charging hole 5 is formed in the left side of each battery case 7, a cylinder 19 is fixedly mounted on the back side of each transmission case 4, a first toothed plate 9 is fixedly connected to an output end of each cylinder 19, and a first reserved groove 8 is formed in the middle end of the front surface of each transmission case 4, the front side of the first toothed plate 9 penetrates through the inner cavity of the first reserved groove 8 and extends to the front side of the transmission case 4, the left side and the right side of the inner cavity of the transmission case 4 are both provided with a first sliding groove 17, the left side and the right side of the inner cavity of the first toothed plate 9 are both fixedly provided with a sliding rod 18, the outer side of the sliding rod 18 is slidably connected into the inner cavity of the first sliding groove 17, the stability of the first toothed plate 9 can be improved by arranging the sliding rod 18 and the first sliding groove 17, the left side and the right side of the inner cavity of the transmission case 4 are both movably connected with a polished rod 16 through a bearing, the middle end of the outer surface of the polished rod 16 is fixedly provided with a first gear 23, the bottom of the first gear 23 is meshed with the top of the first toothed plate 9 through teeth, the left side and the right side of the front surface of the transmission case 4 are both provided with a second reserved groove 22, the left side and the right side of the outer surface of the polished rod 16 are both fixedly provided with a second gear 20, and the front side of the second gear 20 penetrates through the inner cavity of the second reserved groove 22 and extends to the front side of the transmission case 4, second gear 20's front side meshing has second toothed plate 3, second spout 15 has all been seted up to the left and right sides on the positive surface of transmission case 4, the equal fixed mounting in the dorsal left and right sides of second toothed plate 3 has slider 21, and the dorsal sliding connection of slider 21 is in the inner chamber of second spout 15, the bottom fixed mounting of second toothed plate 3 has connecting rod 10, the bottom fixed mounting of connecting rod 10 has splint 11, splint 11's bottom is provided with first rubber pad 13, through setting up first rubber pad 13, can avoid splint 11 to cause the harm to the work piece.

When using, extend through external controller control cylinder 19, extend through cylinder 19 and drive first pinion rack 9 and remove to the front side, first pinion rack 9 drives first gear 23 through the effect of tooth meshing and rotates, first gear 23 drives polished rod 16 and rotates, polished rod 16 drives second gear 20 and rotates, second gear 20 drives second pinion rack 3 through the effect of tooth meshing and moves down, second pinion rack 3 drives splint 11 through connecting rod 10 and moves down, the work piece that will process is fixed, cooperation through above structure, it is not ideal to have solved current anchor clamps centre gripping effect, thereby the problem of being not convenient for people to use (external controller is the PLC controller in this application, and simultaneously, two wiring ends of controller are connected with external power plug through the wire, and adopt the commercial power to supply power in this application).

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes may be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an effectual anchor clamps for machining of centre gripping for precision machining, includes base (1), its characterized in that: the support rod (2) is fixedly mounted on the left side and the right side of the top of the base (1), the transmission case (4) is fixedly mounted on the top of the support rod (2), the cylinder (19) is fixedly mounted on the back side of the transmission case (4), the first toothed plate (9) is fixedly connected to the output end of the cylinder (19), the polished rod (16) is movably connected to the left side and the right side of the inner cavity of the transmission case (4) through the bearing, the first gear (23) is fixedly mounted at the middle end of the outer surface of the polished rod (16), the bottom of the first gear (23) is meshed with the top of the first toothed plate (9) through the teeth, the second reserved groove (22) is formed in each of the left side and the right side of the front surface of the transmission case (4), the second gear (20) is fixedly mounted on each of the left side and the right side of the outer surface of the polished rod (16), and the front side of the second gear (20) penetrates through the inner cavity of the second reserved groove (22) and extends to the front side of the transmission case (4), the front side meshing of second gear (20) has second pinion rack (3), the bottom fixed mounting of second pinion rack (3) has connecting rod (10), the bottom fixed mounting of connecting rod (10) has splint (11), the bottom of splint (11) is provided with first rubber pad (13).

2. The jig for precision machining according to claim 1, having a good clamping effect, characterized in that: second spout (15) have all been seted up to the left and right sides on transmission case (4) obverse surface, the equal fixed mounting in the left and right sides of second pinion rack (3) dorsal part has slider (21), and the dorsal part sliding connection of slider (21) is in the inner chamber of second spout (15).

3. The jig for precision machining according to claim 1, having a good clamping effect, characterized in that: first reservation groove (8) have been seted up to the middle-end on transmission case (4) obverse surface, the front side of first pinion rack (9) runs through the inner chamber of first reservation groove (8) and extends to the front side of transmission case (4).

4. The jig for precision machining according to claim 1, having a good clamping effect, characterized in that: first spout (17) have all been seted up to the left and right sides of transmission case (4) inner chamber, the equal fixed mounting in the left and right sides of first pinion rack (9) has slide bar (18), and the outside sliding connection of slide bar (18) is in the inner chamber of first spout (17).

5. The jig for precision machining according to claim 1, having a good clamping effect, characterized in that: the top fixed mounting of transmission case (4) has battery case (7), the bottom fixed mounting of battery case (7) inner chamber has battery (6), charging hole (5) have been seted up on the left side of battery case (7).

6. The jig for precision machining according to claim 1, having a good clamping effect, characterized in that: all fixed mounting all around of base (1) bottom has supporting leg (12), the bottom of supporting leg (12) is provided with second rubber pad (14).