CN219485464U

CN219485464U - Two-way positioning clamping fixture

Info

Publication number: CN219485464U
Application number: CN202320444160.XU
Authority: CN
Inventors: 高春阳; 苏春伟
Original assignee: Jilin Frith Brake Technology Co ltd
Current assignee: Jilin Frith Brake Technology Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-08
Anticipated expiration: 2033-03-09

Abstract

The utility model discloses a bidirectional positioning clamping fixture, which belongs to the technical field of gear cover plate machining and comprises a fixture body, wherein clamping jaws are arranged on two sides of the fixture body, horizontal air cylinders are uniformly arranged on the outer sides of the clamping jaws, and the horizontal air cylinders on the clamping jaws are communicated with each other. According to the clamping jaw, the plurality of groups of horizontal cylinders at the outer side of the clamping jaw and the plurality of groups of vertical cylinders at the top are arranged, the horizontal cylinders are communicated with each other, and then the horizontal cylinders and the vertical cylinders are communicated by the air pipes, so that the side clamping plates can be tightly attached to the outer side of a workpiece in the clamping process, air in the horizontal cylinders is pressed into the vertical cylinders, the upper clamping plates are controlled to move downwards, pressure is applied to the top of the workpiece, the contact area with the side edge of the workpiece in the clamping process is increased, extrusion deformation is avoided, meanwhile, pressure in the vertical direction can be applied to the workpiece, and the clamping stability is improved.

Description

Two-way positioning clamping fixture

Technical Field

The utility model relates to a clamping fixture, in particular to a bidirectional positioning clamping fixture, and belongs to the technical field of gear cover plate machining.

Background

The gear transmission is mechanical transmission which utilizes the mutual meshing of gear teeth of two gears to transmit power and motion, has the characteristics of compact structure, high efficiency, long service life and the like, and has the advantages of being the widest in application range, accurate in instantaneous transmission ratio, and in the gear transmission process, in order to avoid the influence of dust and foreign matters entering the inside of a gear box on the transmission process, the gear cover plate is required to be used for protection, and in the processing process of the gear cover plate, the gear cover plate is required to be positioned through a clamping fixture.

The utility model of application number 201720400022.6 discloses a bidirectional positioning clamping device, when a left clamping jaw and a right clamping jaw clamp an irregularly-shaped workpiece, the workpiece extrudes a connecting plate, the connecting plate drives a supporting rod to slide on a sliding block to extrude a sliding plate, the sliding plate is matched and connected with a concave plate, the sliding plate can slide on the concave plate, a spring seat is pushed by the sliding plate to extrude a spring, the irregularly-shaped workpiece drives the connecting plate to enter a semicircular groove, the irregularly-shaped workpiece is fixed through the semicircular groove, when the rectangular workpiece is clamped, the rectangular workpiece can be prevented from extruding the connecting plate through the position of the upper end of the semicircular groove, the irregularly-shaped workpiece can be fixed, the situation that the workpiece is deviated during machining due to too small contact area during clamping the irregularly-shaped workpiece is avoided, the workpiece is easy to move and positioned inaccurately, the clamping stability of the workpiece is good, and the machining quality is ensured.

Similar to the above-mentioned application, there are currently disadvantages:

1. the contact area between the workpiece and the irregular workpiece is small in the clamping process of the irregular workpiece, deformation damage of the workpiece is easy to cause, and two sides of the workpiece can be only extruded in the clamping process;

2. the height of the clamp body is fixed, the machining height of the workpiece cannot be adjusted in the using process, and the clamp is inconvenient to use;

a bi-directional positioning clamp is designed for this purpose to optimize the above-mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide a bidirectional positioning clamping fixture, wherein a plurality of groups of horizontal cylinders are arranged on the outer side of a clamping jaw, a plurality of groups of vertical cylinders are arranged on the top of the clamping jaw, the horizontal cylinders and the vertical cylinders are communicated through a gas pipe, a side clamping plate can be tightly attached to the outer side of a workpiece in the clamping process, gas in the horizontal cylinders is pressed into the vertical cylinders, the upper clamping plate is controlled to move downwards, pressure is applied to the top of the workpiece, the contact area with the side edge of the workpiece in the clamping process is increased, extrusion deformation is avoided, pressure in the vertical direction can be applied to the workpiece, the clamping stability is improved, and the arrangement of a supporting mechanism for a supporting plate, a sliding rod, a sliding groove, a screw rod, a threaded hole and a linear adjusting groove on the top of a fixture body can adjust the processing height of the workpiece in the use process, so that the fixture is higher in practicability.

The aim of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a two-way positioning clamping fixture, includes the anchor clamps body, the both sides of anchor clamps body all are provided with the clamping jaw, the outside of clamping jaw all evenly is provided with horizontal cylinder, switch on each other between the horizontal cylinder on the clamping jaw, the inside of horizontal cylinder all slides and is provided with first piston, all be provided with first spring between first piston and the horizontal cylinder inner end, all be fixed with horizontal push rod on the first piston, horizontal push rod all runs through the clamping jaw, the one end that horizontal push rod kept away from first piston all is fixed with the side splint, the top of clamping jaw all evenly is fixed with vertical cylinder, the inside of vertical cylinder all slides and is provided with the second piston, all be provided with the second spring between the inner end of second piston and vertical cylinder, the bottom of vertical push rod all is fixed with the punch holder, all be provided with the trachea between horizontal cylinder and the vertical cylinder.

Preferably: the outer side of the side clamping plate and the bottom of the upper clamping plate are both provided with anti-slip pads, and the anti-slip pads are both provided with anti-slip patterns.

Preferably: the horizontal cylinder outside the clamping jaw and the vertical cylinder at the top are provided with five groups, and the horizontal cylinder and the vertical cylinder are mutually perpendicular.

Preferably: the top outside the clamping jaw is provided with a U-shaped plastic clamping block, and the width of the inner side of the U-shaped plastic clamping block is the same as the diameter of the air pipe.

Preferably: the top of anchor clamps body is provided with the layer board, the four corners department of layer board bottom all is fixed with the slide bar, set up on the anchor clamps body with slide bar complex spout, rotate on the layer board and install the screw rod, set up with screw rod complex screw hole at the top of anchor clamps body.

Preferably: the top of the screw rod is leveled with the top surface of the supporting plate, and a straight adjusting groove is formed in the top of the screw rod.

Preferably: the top of layer board has evenly seted up anti-skidding groove, and anti-skidding groove intercrossing sets up.

The beneficial effects of the utility model are as follows:

according to the bidirectional positioning clamping fixture, the plurality of groups of horizontal cylinders at the outer sides of the clamping jaws and the plurality of groups of vertical cylinders at the top are mutually communicated, and then the horizontal cylinders and the vertical cylinders are communicated through the air pipes, so that the side clamping plates can be tightly attached to the outer sides of workpieces in the clamping process, air in the horizontal cylinders is pressed into the vertical cylinders, the upper clamping plates are controlled to move downwards, pressure is applied to the tops of the workpieces, the contact area with the side edges of the workpieces in the clamping process is increased, extrusion deformation is avoided, pressure in the vertical direction can be applied to the workpieces, and the clamping stability is improved;

the setting of anchor clamps body top layer board, slide bar, spout, screw rod, screw hole, straight line adjustment tank supporting mechanism can be at the high of the in-process adjustment work piece processing of use, and the practicality is higher.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a top view of the jaw of the present utility model;

FIG. 3 is a top view of the clamp body of the present utility model;

fig. 4 is a front view of the present utility model.

In the figure: 1. a clamp body; 2. a clamping jaw; 3. a horizontal cylinder; 4. a first piston; 5. a first spring; 6. a horizontal push rod; 7. a side clamping plate; 8. a vertical cylinder; 9. a second piston; 10. a second spring; 11. a vertical push rod; 12. an upper clamping plate; 13. an air pipe; 14. a supporting plate; 15. a slide rod; 16. a chute; 17. a screw; 18. a threaded hole; 19. a straight adjusting groove.

Detailed Description

In order to make the technical solution of the present utility model more clear and clear to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

Example 1

As shown in fig. 1-4, the present embodiment provides a bidirectional positioning clamping fixture, which comprises a fixture body 1, two sides of the fixture body 1 are respectively provided with a clamping jaw 2, the outer sides of the clamping jaws 2 are respectively and uniformly provided with a horizontal cylinder 3, the horizontal cylinders 3 on the clamping jaws 2 are mutually communicated, the inside of each horizontal cylinder 3 is respectively and slidably provided with a first piston 4, a first spring 5 is respectively and slidably arranged between the first piston 4 and the inner end of each horizontal cylinder 3, each first piston 4 is fixedly provided with a horizontal push rod 6, each horizontal push rod 6 penetrates through the clamping jaw 2, one end of each horizontal push rod 6, which is far away from each first piston 4, is respectively and uniformly provided with a side clamping plate 7, the top of each clamping jaw 2 is respectively and uniformly provided with a vertical cylinder 8, the inside of each vertical cylinder 8 is respectively and slidably provided with a second piston 9, a second spring 10 is arranged between the second piston 9 and the inner end part of the vertical cylinder 8, a vertical push rod 11 is fixed at the bottom of the second piston 9, an upper clamping plate 12 is fixed at the bottom of the vertical push rod 11, an air pipe 13 is arranged between the horizontal cylinder 3 and the vertical cylinder 8, anti-slip pads are arranged on the outer side of the side clamping plate 7 and the bottom of the upper clamping plate 12, anti-slip patterns are arranged on the anti-slip pads, five groups of the horizontal cylinder 3 and the vertical cylinder 8 at the top of the clamping jaw 2 are arranged, the horizontal cylinder 3 and the vertical cylinder 8 are mutually perpendicular, a U-shaped plastic clamping block is arranged at the top of the outer side of the clamping jaw 2, and the width of the inner side of the U-shaped plastic clamping block is the same as the diameter of the air pipe 13 so as to limit the air pipe 13.

During the use, expand outwards two sets of clamping jaw 2, then place the top of anchor clamps body 1 with the gear apron, then control two sets of clamping jaw 2 inwards press from both sides tightly, side splint 7 laminating in the outside of gear apron, along with the inside continuous extrusion of clamping jaw 2, side splint 7 is all closely laminated with the outside of gear apron, and promote the inside slip of first piston 4 to horizontal cylinder 3, the inside of vertical cylinder 8 is pressed in the inside gas of horizontal cylinder 3, control punch holder 12 moves down, apply decurrent extrusion force to the gear apron, stabilize the position of gear apron, press from both sides tightly and accomplish.

Example two

In this embodiment, as shown in fig. 1-4, a supporting plate 14 is provided at the top of the clamp body 1, sliding rods 15 are fixed at four corners of the bottom of the supporting plate 14, sliding grooves 16 matched with the sliding rods 15 are provided on the clamp body 1, a screw 17 is rotatably mounted on the supporting plate 14, and a threaded hole 18 matched with the screw 17 is provided at the top of the clamp body 1.

Before the use, the screw 17 is rotated according to the processing requirement, the control screw 17 stretches and contracts in the threaded hole 18, and then the height of the supporting plate 14 is adjusted, so that the processing height of a workpiece is adjusted.

In this embodiment, the top end of the screw 17 is flush with the top surface of the pallet 14, and a linear adjusting groove 19 is formed in the top of the screw 17.

By means of the arrangement of the straight adjusting groove 19, a straight screwdriver can be inserted, the rotation of the screw 17 is conveniently controlled, and the use is more convenient.

In this embodiment, the top of the pallet 14 is uniformly provided with anti-slip grooves, and the anti-slip grooves are arranged to cross each other.

The anti-skid effect of the workpiece in the placing process is ensured.

The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.

Claims

1. A two-way positioning clamping fixture is characterized in that: including anchor clamps body (1), anchor clamps body (1) both sides all are provided with clamping jaw (2), clamping jaw (2) outside all evenly is provided with horizontal cylinder (3), switch on each other between horizontal cylinder (3) on clamping jaw (2), the inside of horizontal cylinder (3) all slides and is provided with first piston (4), all be provided with first spring (5) between first piston (4) and the inner tip of horizontal cylinder (3), all be fixed with horizontal push rod (6) on first piston (4), horizontal push rod (6) all run through clamping jaw (2), horizontal push rod (6) keep away from the one end of first piston (4) all and are fixed with side splint (7), clamping jaw (2) top all evenly is fixed with vertical cylinder (8), the inside of vertical cylinder (8) all slides and is provided with second piston (9), all be provided with second spring (10) between the inner tip of second piston (9) and vertical cylinder (8), the bottom of second piston (9) all is fixed with vertical push rod (11), all be provided with between vertical cylinder (3) and the bottom of vertical cylinder (11).

2. A bi-directional positioning clamping fixture as defined in claim 1, wherein: the outer side of the side clamping plate (7) and the bottom of the upper clamping plate (12) are both provided with anti-slip pads, and the anti-slip pads are both provided with anti-slip patterns.

3. A bi-directional positioning clamping fixture as defined in claim 2, wherein: the horizontal cylinder (3) on the outer side of the clamping jaw (2) and the vertical cylinder (8) on the top are provided with five groups, and the horizontal cylinder (3) and the vertical cylinder (8) are mutually perpendicular.

4. A bi-directional positioning clamping fixture as defined in claim 3 wherein: the top of clamping jaw (2) outside all is provided with U type plastics fixture block, and the width of U type plastics fixture block inboard is the same with the diameter of trachea (13).

5. The bi-directional positioning clamping fixture of claim 4 wherein: the clamp is characterized in that a supporting plate (14) is arranged at the top of the clamp body (1), sliding rods (15) are fixed at four corners of the bottom of the supporting plate (14), sliding grooves (16) matched with the sliding rods (15) are formed in the clamp body (1), a screw (17) is rotatably arranged on the supporting plate (14), and threaded holes (18) matched with the screw (17) are formed in the top of the clamp body (1).

6. The bi-directional positioning clamping fixture of claim 5 wherein: the top end of the screw rod (17) is leveled with the top surface of the supporting plate (14), and a linear adjusting groove (19) is formed in the top of the screw rod (17).

7. The bi-directional positioning clamping fixture of claim 6 wherein: the top of the supporting plate (14) is uniformly provided with anti-skid grooves which are mutually crossed.