CN112404641A

CN112404641A - Precision positioning clamp

Info

Publication number: CN112404641A
Application number: CN202011388509.XA
Authority: CN
Inventors: 陶进
Original assignee: Suzhou Multitech Automation Equipment Co Ltd
Current assignee: Suzhou Multitech Automation Equipment Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-02-26

Abstract

The invention discloses a precision positioning fixture, and belongs to the technical field of welding fixtures. The fixture comprises a fixed chassis and a rotating top plate which is rotatably connected to the upper end surface of the fixed chassis, wherein a plurality of sliding chutes which are distributed at intervals are formed in the upper end surface of the rotating top plate, and the plurality of sliding chutes are radially and uniformly distributed by taking the center of the rotating top plate as a circle center; the equal sliding positioning in every spout is connected with one and supports the L pole, should support the equal fixedly connected with chuck of one end department that the L pole is close to the rotation top dish center, and a plurality of chuck is fixed a pending work piece of chucking simultaneously. When fixed, only need with one of them chuck outside pulling, support the L pole and slide this moment, the spring energy storage places the circuit board in the draw-in groove, and the spring resets, and three points that three V-arrangement fixed slot blocked the circuit board realize fixed to the circuit board, and it is very convenient when welding to the circuit board, is applicable to the circuit board centre gripping of different specifications simultaneously, simple structure.

Description

Precision positioning clamp

Technical Field

The invention discloses a clamp, particularly relates to a precision positioning clamp, and belongs to the technical field of welding clamps.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. In a broad sense, a device for quickly, conveniently and safely mounting a workpiece at any step in a process may be referred to as a jig.

The connector is also called a connector, is also called a connector and a socket in China, is generally an electric appliance connector, is a component which is arranged between a cable and a socket and has certain insulation and sealing performance, can be connected with two active devices and is used for transmitting current or signals.

The connector is internally provided with a small circuit board which is matched with a plurality of contact pins so as to be connected with external equipment, and the contact pins are connected with a main circuit board or a control part in a lead welding mode. Because the existence of the circuit board bottom contact pin of inserting the contact pin for this type of circuit board is more troublesome when fixing, and the joint of difference has the circuit board of different specifications moreover, and the distribution mode of its contact pin is also inconsistent, leads to current positioning fixture to adopt and need prepare a plurality of anchor clamps when passing through mating holes and contact pin complex fixed mode, does not have commonality and convenience.

Disclosure of Invention

The present invention is directed to a precision positioning fixture, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a precision positioning fixture comprises a fixed base plate and a rotary top plate, wherein the rotary top plate is coaxially and rotatably connected to the upper end surface of the fixed base plate,

a smoke absorbing pipe and a support rod are fixedly arranged at the edge of the upper end face of the fixed chassis at intervals, wherein the top end of the support rod is fixedly connected with a lighting lamp;

the upper end surface of the rotating top disc is provided with a plurality of sliding chutes which are distributed at intervals, and the plurality of sliding chutes are uniformly distributed in a radial shape by taking the center of the rotating top disc as a circle center; every equal sliding positioning is connected with one in the spout and supports L pole, should support L pole and be close to rotate the equal fixedly connected with chuck of one end department at top plate center, a plurality of the fixed pending work piece of chuck chucking simultaneously.

As a still further scheme of the invention:

the bottom end of the support L rod is fixedly connected with a sliding plate, the bottom of the sliding plate is fixedly connected with a sliding block matched with the sliding groove, and the sliding block is connected in the sliding groove in a sliding mode.

As a still further scheme of the invention:

a spring is arranged between the inner side wall of the sliding groove and the sliding block along the length direction of the sliding groove in the sliding groove, and the sliding block compresses the spring in the sliding process.

As a still further scheme of the invention:

an arc-shaped rod is fixedly connected between the support L rod and the sliding plate, and a supplement block is fixedly connected between the bottom of the arc-shaped rod and the sliding plate.

As a still further scheme of the invention:

the chuck is provided with a clamping groove which is straight towards one side of the workpiece to be processed, a V-shaped fixing groove is formed in the side face of the chuck, and the V-shaped fixing groove is located on the inner side face of the clamping groove and communicated with the clamping groove.

As a still further scheme of the invention:

the bottom end of the smoking pipe is fixedly connected with a connecting box, and one side of the connecting box is provided with a connecting pipe communicated with the smoking pipe; and one end of the smoke absorbing pipe, which is far away from the connecting box, is fixedly connected with an expanding pipe.

As a still further scheme of the invention:

the support rod is an alloy hose, and the smoking pipe is a bamboo joint pipe.

As a still further scheme of the invention:

the diameter of the fixed base plate is larger than that of the rotary top plate, and a rotary handle is fixedly connected to the circumferential outer wall of the rotary top plate.

As a still further scheme of the invention:

the bottom of the fixed chassis is fixedly connected with a rubber ring and a sucker, the sucker is located at the circle center of the fixed chassis, and the rubber ring is located outside the sucker.

As a still further scheme of the invention:

the number of the sliding grooves is at least three.

Compared with the prior art, the invention has the beneficial effects that:

1. fixed chassis is fixed on the desktop, rotates to rotate on the top dish and is connected with three chuck, and when fixed, only need with one of them chuck to the outside pulling, support the L pole this moment and slide, spring energy storage places the circuit board in the draw-in groove, and the spring resets, and three V-arrangement fixed slot blocks the three point realization of circuit board and fixes the circuit board, and it is very convenient when welding this moment to the circuit board, is applicable to the circuit board centre gripping of different specifications simultaneously, simple structure.

2. At the moment, the smoke absorbing pipe is connected with the external exhaust pipe to absorb soldering tin smoke at the welding position and discharge the soldering tin smoke out of a working area, the structure in the working area can be clearly observed through the illuminating lamp, and the convenience and the welding quality of welding operation are improved.

3. Because different circuit boards have different requirements, capacitors or resistors need to be welded on one part of the circuit boards, the rotating top disc can rotate at the moment, so that an operator can easily convert the circuit board to the position facing the operator, the blocking effect of welding circuit elements due to pins is avoided, and the convenience of welding the matching parts is improved.

Drawings

FIG. 1 is a schematic structural diagram of a precision positioning fixture;

FIG. 2 is a perspective view of a support L-bar in a precision positioning fixture;

FIG. 3 is a schematic front view of a fixing base plate of a precision positioning fixture;

FIG. 4 is a schematic bottom view of a fixing base plate of a precision positioning fixture.

In the figure:

1. fixing the chassis; 11. a rubber ring; 12. a suction cup;

2. rotating the top plate; 21. rotating the handle; 22. a chute; 23. a spring;

3. a smoking pipe; 31. a connection box; 32. a connecting pipe; 33. a flared tube;

4. a support bar; 41. an illuminating lamp;

5. supporting the L-bar; 51. a slide plate; 52. an arcuate bar; 53. a supplementary block; 54. a slider;

6. a chuck; 61. a card slot; 62. v-shaped fixing grooves.

Detailed Description

Referring to fig. 1 to 4, a precision positioning fixture is described in detail in this embodiment.

This precision positioning anchor clamps include fixed chassis 1 and rotate and push up dish 2, wherein rotate and push up the coaxial rotation of dish 2 and connect on the up end of fixed chassis 1, should rotate connection structure and can adopt mechanisms such as step motor to realize, for the conventional technical scheme in this field, no longer describe in this concrete embodiment. The diameter of fixed chassis 1 is greater than the diameter of rotating top dish 2, and rotates fixedly connected with rotation handle 21 on the circumference outer wall of top dish 2, and fixed chassis 1 need be fixed and improve fixed stability on the desktop, rotates handle 21 and can improve the convenience of rotating the operation of top dish 2. Fixed chassis 1's bottom fixedly connected with rubber circle 11 and sucking disc 12, sucking disc 12 are located fixed chassis 1's centre of a circle department, and rubber circle 11 is located the outside of sucking disc 12, and rubber circle 11 can increase the contact frictional force of fixed chassis 1 and desktop, and sucking disc 12 can adsorb and place fixed chassis 1 effect and slide on the desktop.

The edge of the upper end face of the fixed chassis 1 is fixedly connected with a smoke absorbing pipe 3 and a supporting rod 4 at intervals. Wherein the bottom end of the smoking pipe 3 is fixedly connected with a connecting box 31, one side of the connecting box 31 is provided with a connecting pipe 32 communicated with the smoking pipe 3, and the connecting box 31 is arranged mainly for steering the smoking pipe 3, so that the connecting pipe 32 and the table top are horizontal and are conveniently in sealing connection with the exhaust pipe; the smoking pipe 3 is far away from one end of the connecting box 31 and is fixedly connected with the flared pipe 33, and the flared pipe 33 can play a role in centralized adsorption of smoke, so that the adsorption efficiency is improved. Wherein the top end of the support rod 4 is fixedly connected with a lighting lamp 41. The support rod 4 is an alloy hose, the smoking pipe 3 is a bamboo joint pipe, and the support rod 4 of the alloy hose can be bent at any angle so as to be convenient for adjusting the irradiation position; the bamboo joint pipe can be bent at will and is internally provided with a smoke through cavity.

The upper end surface of the rotating top disc 2 is provided with a plurality of sliding chutes 22 which are distributed at intervals, the plurality of sliding chutes are radially and uniformly distributed by taking the center of the rotating top disc as a circle center, the number of the sliding chutes is at least three, and the number of the sliding chutes is three in the embodiment. All slide positioning is connected with one in every spout 22 and supports L pole 5, and its specific sliding connection mode is: the bottom end of the support L-shaped rod 5 is fixedly connected with a sliding plate 51, the bottom of the sliding plate 51 is fixedly connected with a sliding block 54 matched with the sliding groove 22, and the sliding block 54 is slidably connected in the sliding groove 22. Support fixedly connected with an arc pole 52 between L pole 5 and the slide 51, and fixedly connected with supplements the piece 53 between the bottom of this arc pole 52 and the slide 51, wherein arc pole 52 reinforces supporting L pole 5, supplements the fixed area that piece 53 can improve supporting L pole 5 and slide 51. In addition, a spring 23 is disposed in the chute 22 between the inner side wall of the chute and the slider along the length of the chute, and the slider 54 compresses the spring during sliding.

The L-shaped supporting rod 5 is fixedly connected with a chuck 6 at one end close to the center of the rotating top disc 2, and a workpiece to be processed is simultaneously clamped and fixed by a plurality of chucks. The specific clamping structure is as follows: the chuck 6 is provided with a straight clamping groove 61 facing one side of the workpiece to be processed, a V-shaped fixing groove 62 is formed in the side face of the chuck 6, and the V-shaped fixing groove 62 is located on the inner side face of the clamping groove 61 and communicated with the clamping groove.

The working principle of the invention is as follows: the fixed base plate 1 is fixed on a table top, and the rotating top plate 2 is rotatably connected with three chucks 6. When a workpiece to be processed is fixed, only one chuck 6 needs to be pulled outwards, the support L rod 5 slides at the moment, the spring 23 stores energy, the circuit board is placed in the clamping groove 61, the spring 23 resets, the three points of the circuit board are clamped by the three V-shaped fixing grooves 62 to fix the circuit board, the circuit board is very convenient to weld at the moment, and meanwhile, the clamping device is suitable for clamping circuit boards of different specifications and is simple in structure; meanwhile, the smoke absorbing pipe 3 is connected with an external exhaust pipe to absorb soldering tin smoke at a welding position, and the structure in a working area can be clearly observed through the illuminating lamp 41, so that the convenience of welding operation and the welding quality are improved; and because different circuit boards have different requirements, need welding electric capacity or resistance on some circuit boards, rotate the top dish 2 and can rotate this moment, and then make the switching circuit board that operating personnel can relax face oneself position, and then avoided because the contact pin leads to the barrier effect of welding circuit component, improved the convenience of fitting piece welding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides a precision positioning anchor clamps which characterized in that: comprises a fixed chassis (1) and a rotary top disk (2), wherein the rotary top disk (2) is coaxially and rotatably connected on the upper end surface of the fixed chassis (1),

a smoke absorbing pipe (3) and a supporting rod (4) are fixedly arranged at the edge of the upper end face of the fixed chassis (1) at intervals, wherein the top end of the supporting rod (4) is fixedly connected with an illuminating lamp (41);

a plurality of sliding chutes (22) distributed at intervals are formed in the upper end face of the rotating top disc (2), and the sliding chutes are radially and uniformly distributed by taking the center of the rotating top disc as a circle center; every equal sliding positioning is connected with one in spout (22) and supports L pole (5), should support L pole (5) and be close to rotate the equal fixedly connected with chuck (6), a plurality of one end department at top dish (2) center the fixed pending work piece of chuck chucking simultaneously.

2. The precision positioning jig of claim 1, wherein: the bottom end of the support L rod (5) is fixedly connected with a sliding plate (51), the bottom of the sliding plate (51) is fixedly connected with a sliding block (54) matched with the sliding groove (22), and the sliding block (54) is connected in the sliding groove (22) in a sliding mode.

3. The precision positioning jig of claim 2, wherein: a spring (23) is arranged between the inner side wall of the sliding groove and the sliding block in the sliding groove (22) along the length direction of the sliding groove, and the sliding block (54) compresses the spring in the sliding process.

4. The precision positioning jig of claim 2, wherein: an arc-shaped rod (52) is fixedly connected between the support L rod (5) and the sliding plate (51), and a supplement block (53) is fixedly connected between the bottom of the arc-shaped rod (52) and the sliding plate (51).

5. The precision positioning jig of claim 1, wherein: the processing fixture is characterized in that a clamping groove (61) which is straight is formed in one side of the chuck (6) facing the workpiece to be processed, a V-shaped fixing groove (62) is formed in the side face of the chuck (6), and the V-shaped fixing groove (62) is located on the inner side face of the clamping groove (61) and communicated with the clamping groove.

6. The precision positioning jig of claim 1, wherein: the bottom end of the smoking pipe (3) is fixedly connected with a connecting box (31), and one side of the connecting box (31) is provided with a connecting pipe (32) communicated with the smoking pipe (3); and one end of the smoke absorbing pipe (3) far away from the connecting box (31) is fixedly connected with an expanding pipe (33).

7. The precision positioning jig of claim 1, wherein: the support rod (4) is an alloy hose, and the smoking pipe (3) is a bamboo joint pipe.

8. The precision positioning jig of claim 1, wherein: the diameter of the fixed base plate (1) is larger than that of the rotary top plate (2), and a rotary handle (21) is fixedly connected to the circumferential outer wall of the rotary top plate (2).

9. The precision positioning jig of claim 1, wherein: the bottom of the fixed chassis (1) is fixedly connected with a rubber ring (11) and a sucker (12), the sucker (12) is located at the circle center of the fixed chassis (1), and the rubber ring (11) is located outside the sucker (12).

10. The precision positioning jig of claim 1, wherein: the number of the sliding grooves (22) is at least three.