CN219788040U

CN219788040U - Tool clamp

Info

Publication number: CN219788040U
Application number: CN202222891051.0U
Authority: CN
Inventors: 褚肖春
Original assignee: Shanghai Huaju Rubber & Plastic Products Co ltd
Current assignee: Shanghai Huaju Rubber & Plastic Products Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-10-03
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to the field of clamps, in particular to a fixture clamp which comprises a frame, a displacement assembly arranged on the frame and a clamping assembly arranged on the displacement assembly; the displacement assembly comprises a transverse displacement piece arranged on the frame and a vertical displacement piece arranged on the transverse displacement piece, and the clamping assembly is arranged on the vertical displacement piece; the clamping assembly comprises a mounting seat arranged on the vertical displacement piece, a driving piece arranged on the mounting seat and a driven piece arranged on the driving piece; the driving part can drive the driven part to clamp the gear. The utility model has the effect of improving the adaptability of the gear clamping.

Description

Tool clamp

Technical Field

The utility model relates to the field of fixtures, in particular to a fixture.

Background

Tooling, i.e., process equipment, refers to the generic name of various tools used in the manufacturing process. The tool clamp is one kind of tool and is one device for clamping workpiece or guiding tool. The fixture is also referred to as a fixture in a broad sense, and any device used to quickly, conveniently and safely grip or mount a workpiece during any process in an industrial process may be referred to as a fixture.

In the industrial production process, a fixture is often used for clamping the gear, and then the clamped gear is transported and installed. The existing industrial robot for clamping gears is usually used, but the industrial robot is high in manufacturing cost, and can cause a large burden on the fund flow of small and micro enterprises. Therefore, most enterprises often adopt the linear reciprocating type moving tool clamp to clamp gears, but because gears needing to be clamped are often inconsistent in specification, the clamping position of the tool clamp is not easy to adjust, and the adaptability to gear clamping is low.

Disclosure of Invention

In order to improve the adaptability of clamping gears, the utility model provides a fixture clamp.

The utility model provides a tool clamp which adopts the following technical scheme:

a fixture comprises a frame, a displacement assembly arranged on the frame, and a clamping assembly arranged on the displacement assembly; the displacement assembly comprises a transverse displacement piece arranged on the frame and a vertical displacement piece arranged on the transverse displacement piece, and the clamping assembly is arranged on the vertical displacement piece;

the clamping assembly comprises a mounting seat arranged on the vertical displacement piece, a driving piece arranged on the mounting seat and a driven piece arranged on the driving piece; the driving part can drive the driven part to clamp the gear.

Through adopting above-mentioned technical scheme, when pressing from both sides the gear and getting, horizontal displacement spare makes vertical displacement spare remove on same horizontal plane, then vertical displacement spare drive clamp get the subassembly and remove along vertical direction, then driving piece drive follower presss from both sides the gear and get to the position is got to the clamp of gear is controlled, thereby the adaptation presss from both sides the clamp of gear to different specifications, and then promotes the adaptability when pressing from both sides the gear.

Optionally, the driving member comprises at least one electric cylinder; the electric cylinder is connected to the mounting seat in a sliding manner, and the driven piece is arranged on the electric cylinder.

Through adopting above-mentioned technical scheme, through adopting the mode of electronic jar to control the follower, when the gear specification that needs clamp changes, only need to carry out data modification to the stroke of the flexible end of electronic jar can, adjust the precision height and simple operation.

Optionally, the driven piece comprises four bent rods, four clamping blocks, a rotating rod rotatably connected to the mounting seat and a square plate arranged on the rotating rod;

the bent rods and the clamping blocks are arranged one by one; one end of the bent rod is hinged to the square plate, and the other end of the bent rod is hinged to the clamping block; the four bending rods are distributed at equal intervals at the hinged positions of the square plates;

one of the clamping blocks is arranged at the telescopic end of the electric cylinder, and the other clamping block is arranged at one end of the electric cylinder far away from the telescopic end.

Through adopting above-mentioned technical scheme, when the drive end reciprocating motion of electric rod, promote or stimulate two clamp splice on the electric rod to make two corresponding bent rods rotate, and then drive square plate and rotate, thereby make two other bent rods drive two other clamp splice synchronous rotations, thereby press from both sides tight or loosen the gear, accomplish the action of clamping or releasing the gear.

Optionally, the clamping assembly further includes a plurality of abutting pieces, and the abutting pieces are disposed on the clamping blocks; the abutting piece comprises an elastic arc piece arranged on the clamping block and abutting strips arranged at two ends of the elastic arc piece, and the abutting strips can be abutted with the gear.

Through adopting above-mentioned technical scheme, when butt strip and gear butt, elastic arc piece can produce elastic deformation according to the specification of gear to with gear butt fastening, and then promote the adaptability of anchor clamps to different specification gears.

Optionally, the elastic arc piece is made of a memory alloy material with a resetting effect.

Through adopting above-mentioned technical scheme, the elastic arc piece of memory alloy material has good reset effect, presss from both sides the back when getting the gear many times, and the elastic arc piece can also restore to the throne to the life of extension elastic arc piece.

Optionally, the abutting strip is made of rubber.

Through adopting above-mentioned technical scheme, rubber material has good skid resistance, and the area of the tooth of meshing on the lateral wall of gear is less simultaneously, and rubber material can produce elastic deformation after with the gear contact to increase area of contact, stability when consequently can promote butt strip butt gear.

Optionally, the displacement assembly includes a transverse displacement member arranged on the frame and a vertical displacement member arranged on the transverse displacement member; the mounting seat is arranged on the vertical displacement piece.

Through adopting above-mentioned technical scheme, horizontal displacement spare can make the mount pad remove at same horizontal plane, and vertical displacement spare can make the vertical reciprocating motion of mount pad to make the mount pad can remove wantonly, thereby promote the convenience that removes when pressing from both sides the gear, and then promote the adaptability when frock clamp presss from both sides the gear.

Optionally, the transverse displacement member includes a first linear guide rail and a second linear guide rail; the first linear guide rail is arranged on the frame, the second linear guide rail is arranged on the sliding block of the first linear guide rail, the moving directions of the sliding block of the first linear guide rail and the sliding block of the second linear guide rail are in the same horizontal mutually perpendicular, and the vertical displacement piece is arranged on the sliding block of the second linear guide rail.

Through adopting above-mentioned technical scheme, second linear guide reciprocates along the straight line direction under the drive of first linear guide, and vertical displacement piece reciprocates along the straight line direction under the drive of second linear guide to the horizontal position to clamp the gear is controlled.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the horizontal position of the clamping gear is controlled by arranging a first linear guide rail and a second linear guide rail; the vertical position of the clamping gear is controlled through the vertical displacement piece; the convenience of clamping gears with different specifications is improved through the abutting piece, so that the adaptability of clamping gears is improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a mounting base according to an embodiment of the utility model.

Fig. 3 is a schematic view of the structure of the gripping assembly.

Reference numerals: 1. a frame; 2. a displacement assembly; 21. a lateral displacement member; 211. a first linear guide rail; 212. a second linear guide rail; 22. a vertical electric cylinder; 3. a clamping assembly; 31. a mounting base; 32. an electric cylinder; 33. a follower; 331. a rotating lever; 332. a square plate; 333. bending a rod; 334. clamping blocks; 34. an abutment; 341. an elastic arc piece; 342. and (5) abutting the strip.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a fixture.

Referring to fig. 1, a tool fixture includes a frame 1, a displacement assembly 2, and a gripping assembly 3. The displacement component 2 is arranged on the frame 1, and the clamping component 3 is arranged on the displacement component 2. The displacement assembly 2 can drive the clamping assembly 3 to move, so that the position of the clamping gear of the clamping assembly 3 is controlled.

Referring to fig. 1 and 2, the gripping assembly 3 includes a mounting block 31, a driving member and a driven member 33. The mounting seat 31 is fixedly connected to the displacement assembly 2, the driving part is horizontally slidably connected to the mounting seat 31, the driven part 33 is mounted on the driving part, and the driven part 33 can clamp the gear under the driving of the driving part.

In the embodiment of the utility model, the driving member is selected to be two electric cylinders 32 arranged side by side. In other embodiments, other numbers of electric cylinders 32 are also possible, and the electric cylinders 32 may be hydraulic cylinders and electric screw rods.

A sliding groove is formed in the mounting seat 31, a long-strip sliding block is connected in the sliding groove in a sliding manner, the long-strip sliding block can slide back and forth on the mounting seat 31, the side wall of the electric cylinder 32 is fixedly connected with the long-strip sliding block, and the electric cylinder 32 is connected onto the mounting seat 31 in a sliding manner through the long-strip sliding block.

Referring to fig. 2 and 3, the follower 33 includes a rotating rod 331, a square plate 332, four bent rods 333, and two sets of clamping blocks 334. The rectangular slider has offered along self length direction and has dodged the groove, and dwang 331 is vertical rotation and connects in mount pad 31 one side that is close to rectangular slider, and dwang 331 can carry out circumferential direction and by dodging the inslot and stretch out. The square plate 332 is horizontally and fixedly connected to the end of the extension part of the rotating rod 331, and the connection part is the center of one side of the square plate 332.

One ends of the four bent rods 333 are hinged to four corners of the square plate 332, respectively, and the bent rods 333 are located on one side of the square plate 332 close to the rotating rod 331. In other embodiments, the square plate 332 may be a circular plate, one ends of the four bending rods 333 are hinged to the edge of the circular plate, and the four bending rods 333 are distributed at equal intervals.

One group of clamping blocks 334 is divided into two, wherein one clamping block 334 in one group of clamping blocks 334 is fixedly connected to the telescopic end of the electric rod, and the other clamping block 334 is fixedly connected to one end of the electric rod away from the telescopic end. And adjacent sides of the two clamping blocks 334 are respectively hinged to ends of two opposite bent bars 333.

Two clamping blocks 334 of the other set of clamping blocks 334 are respectively hinged to the ends of the other two opposite bent rods 333. Meanwhile, the four clamping blocks 334 are slidably connected to the mounting seat 31, so that stability of the clamping blocks 334 during movement is improved. Therefore, when the driving end of the electric rod reciprocates, the two clamping blocks 334 fixedly connected to the electric rod are pushed or pulled, so that the corresponding two bending rods 333 rotate, and the square plate 332 is driven to rotate, so that the other two bending rods 333 drive the other two clamping blocks 334 to synchronously rotate, and the gear is clamped or loosened.

Referring to fig. 2 and 3, the clamping assembly 3 further includes four abutting pieces 34, the four abutting pieces 34 are respectively disposed on the four clamping blocks 334 one by one, and the abutting pieces 34 are located on one side of the clamping blocks 334 close to the square plate 332. The abutment 34 is used for improving the adaptability of the clamping block 334 to clamping gears of different specifications.

The abutment 34 comprises a resilient arc 341 and two abutment bars 342. The middle part of the elastic arc piece 341 is fixedly connected to the clamping block 334, and the concave part of the elastic arc piece 341 faces the square plate 332. Two abutting strips 342 are respectively bonded to two ends of the elastic arc piece 341 one by one, and the abutting strips 342 can abut against the gear. The elastic arc piece 341 is made of a memory alloy material, so that the elastic arc piece can be reset after multiple elastic deformation.

When the abutting strip 342 abuts against the gear, the elastic arc piece 341 can be elastically deformed according to the specification of the gear, so that the adaptability of the clamp to gears with different specifications is improved. In the embodiment of the present utility model, the abutting strip 342 is made of rubber, which has good anti-slip property, so that stability of the abutting strip 342 when abutting against the gear can be improved.

Referring to fig. 1, displacement assembly 2 includes a lateral displacement member 21 and a vertical displacement member. The transverse displacement member 21 is fixedly connected to the frame 1 and is suspended. The vertical displacement member is fixedly connected to the transverse displacement member 21, and the mounting seat 31 is fixedly connected to the vertical displacement member.

The lateral displacement member 21 includes a first linear guide 211 and a second linear guide 212. The first linear guide rail 211 is horizontally and fixedly connected to the frame 1, and the first linear guide rail 211 is suspended. The second linear guide rail 212 is horizontally and fixedly connected to the sliding block of the first linear guide rail 211, and the first linear guide rail 211 and the second linear guide rail 212 are perpendicular to each other.

The slider of the first linear guide rail 211 can drive the second linear guide rail 212 to reciprocate along the linear direction when reciprocating, and the vertical displacement member can be driven to reciprocate along the linear direction when reciprocating the slider of the second linear guide rail 212. Therefore, under the mutual matching of the first linear guide rail 211 and the second linear guide rail 212, the vertical displacement member can be arbitrarily moved in the horizontal direction, so that the horizontal position of the clamping gear is controlled.

The vertical displacement piece is selected as a vertical electric cylinder 22, one end, far away from the telescopic end, of the vertical electric cylinder 22 is fixedly connected to the sliding block of the second linear guide rail 212, and the vertical electric cylinder 22 is vertically arranged. The telescopic end of the vertical electric cylinder 22 is fixedly connected with the mounting seat 31, so that the mounting seat 31 is controlled to move up and down.

The implementation principle of the tool clamp provided by the embodiment of the utility model is as follows: the transverse displacement member 21 enables the vertical displacement member to move on the same horizontal plane, and then the vertical displacement member drives the clamping assembly 3 to move in the vertical direction, so that the position of the whole clamping assembly 3 is controlled. Then, the driving member drives the driven member 33 to clamp the gear, and finally the elastic arc piece 341 generates elastic deformation according to the specification of the gear, and the abutting strip 342 abuts and fixes the gear, so that gears with different specifications are clamped.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a frock clamp which characterized in that: comprises a frame (1), a displacement component (2) arranged on the frame (1) and a clamping component (3) arranged on the displacement component (2); the displacement assembly (2) comprises a transverse displacement piece (21) arranged on the frame (1) and a vertical displacement piece arranged on the transverse displacement piece (21), and the clamping assembly (3) is arranged on the vertical displacement piece;

the clamping assembly (3) comprises a mounting seat (31) arranged on the vertical displacement piece, a driving piece arranged on the mounting seat (31) and a driven piece (33) arranged on the driving piece; the driving part can drive the driven part (33) to clamp the gear.

2. A tool clamp according to claim 1, wherein: the active element comprises at least one electric cylinder (32); the electric cylinder (32) is connected to the mounting seat (31) in a sliding mode, and the driven piece (33) is arranged on the electric cylinder (32).

3. A tool clamp according to claim 2, wherein: the driven piece (33) comprises four bent rods (333), four clamping blocks (334), a rotating rod (331) rotatably connected to the mounting seat (31) and a square plate (332) arranged on the rotating rod (331);

the bent rods (333) and the clamping blocks (334) are arranged one to one; one end of the bent rod (333) is hinged to the square plate (332), and the other end of the bent rod is hinged to the clamping block (334); the four bending rods (333) are arranged at the hinge positions of the square plate (332) at equal intervals;

one of the clamping blocks (334) is arranged at the telescopic end of the electric cylinder (32), and one of the spaced clamping blocks (334) is arranged at one end, far away from the telescopic end, of the electric cylinder (32).

4. A tool holder according to claim 3, wherein: the clamping assembly (3) further comprises a plurality of abutting pieces (34), and the abutting pieces (34) are arranged on the clamping blocks (334); the abutting piece (34) comprises an elastic arc piece (341) arranged on the clamping block (334) and abutting strips (342) arranged at two ends of the elastic arc piece (341), and the abutting strips (342) can be abutted with the gear.

5. A tool holder according to claim 4, wherein: the elastic arc piece (341) is made of a memory alloy material with a resetting effect.

6. A tool holder according to claim 4, wherein: the abutting strip (342) is made of rubber.

7. A tool clamp according to claim 1, wherein: the displacement assembly (2) comprises a transverse displacement piece (21) arranged on the frame (1) and a vertical displacement piece arranged on the transverse displacement piece (21); the mounting seat (31) is arranged on the vertical displacement piece.

8. A tool holder according to claim 7, wherein: the transverse displacement member (21) comprises a first linear guide rail (211) and a second linear guide rail (212); the first linear guide rail (211) is arranged on the frame (1), the second linear guide rail (212) is arranged on the sliding block of the first linear guide rail (211), the sliding blocks of the first linear guide rail (211) and the second linear guide rail (212) are perpendicular to each other in the same horizontal direction, and the vertical displacement piece is arranged on the sliding block of the second linear guide rail (212).