CN212682531U

CN212682531U - Drill jig

Info

Publication number: CN212682531U
Application number: CN202021523055.8U
Authority: CN
Inventors: 华国伟
Original assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Current assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-12
Anticipated expiration: 2030-07-28

Abstract

The utility model belongs to the technical field of machining's technique and specifically relates to a drill jig is related to, including plummer, fixed locating piece, the slip that sets up on the plummer set up the tight piece of support on the plummer and set up and be used for driving the driving piece that the tight piece of support is close to or keeps away from the locating piece on the plummer, support to be provided with the first constant head tank that is used for the card to establish the festival fork body on the tight piece. This application can carry out the centre gripping to the festival fork more steadily to improve the machining precision of drilling machine.

Description

Drill jig

Technical Field

The application relates to the technical field of machining, in particular to a drilling machine clamp.

Background

The yoke 5 is an important part in an automobile, and has a structure as shown in fig. 1, and includes a yoke body 51 and two yoke legs 52 provided on the yoke body 51. Wherein, a bottom hole 53 is arranged on the joint fork body 51, two ear holes 54 are respectively arranged on the two fork legs 52, and the axial leads of the two ear holes 54 are collinear.

In the process of processing the yoke, the earholes need to be drilled through a drilling machine, and in the process, the yoke needs to be clamped. However, in the current common technology, the clamping of the yoke is unstable, which easily causes the position of the yoke to be inaccurate, thereby causing the processing precision of the drilling process to be poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drilling machine anchor clamps to the not enough that prior art exists can carry out the centre gripping to the festival fork steadily to improve the machining precision of drilling machine.

The above object of the present application is achieved by the following technical solutions: the utility model provides a drill jig, includes the plummer, fixes locating piece, the slip that sets up on the plummer and sets up and be used for driving the driving piece that the tight piece is close to or keeps away from the locating piece on the plummer, be provided with the first constant head tank that is used for the card to establish the yoke body on the tight piece of supporting.

In the technical scheme, the joint fork is placed on the bearing table, and is pushed by the abutting block to move towards the positioning block, and is clamped from two sides by the abutting block and the positioning block. In the process, the first positioning groove on the abutting block can limit the joint fork body of the joint fork, so that the joint fork is not easy to turn in the moving process, the fixed firm degree and stability of the joint fork are improved, and the machining precision of the drilling machine is improved.

The present application may be further configured in a preferred example to: and a second positioning groove for clamping a fork leg of the joint fork is formed in the positioning block along the vertical direction.

In above-mentioned technical scheme, the constant head tank can carry on spacingly to two fork feet, makes the festival fork can be fixed in between tight piece and the locating piece of support more steadily to further improve the stability of festival fork centre gripping.

The present application may be further configured in a preferred example to: the second constant head tank is perpendicular to the slope of the both sides lateral wall in the cross-section of second constant head tank length direction and sets up, the width of second constant head tank reduces to the bottom surface from the opening gradually.

In above-mentioned technical scheme, support tight piece promotion festival fork and make the fork foot card of festival fork go into the second constant head tank, the fork foot of festival fork can receive the guide effect of second constant head tank both sides lateral wall to help the festival fork to receive the location of second constant head tank more accurately, be difficult for deviating from in the second constant head tank, thereby further improve the precision of drilling machine processing.

The present application may be further configured in a preferred example to: and a fork foot clamping block for bearing the joint fork from bottom to top is arranged on the side wall of the second positioning groove.

In above-mentioned technical scheme, when the fork foot card was located in the second constant head tank, the lower surface of fork foot was located to the fixture block meeting card to support the fork foot, make drilling in-process fork foot be difficult for because of receiving too big drilling force and crooked or deflect, further improve the stability of festival fork on this clamping device.

The present application may be further configured in a preferred example to: the bearing table is provided with a convex strip, the length direction of the convex strip is arranged along a connecting line of the abutting block and the positioning block, the bottom of the abutting block is provided with a clamping groove, and the clamping groove is connected with the convex strip in a sliding mode.

In the technical scheme, the moving of the abutting block is guided through the convex strip, so that the moving of the abutting block is limited, the abutting block can be kept stable in the moving process, and the abutting block can be more stably pushed to move.

The present application may be further configured in a preferred example to: the sand grip is provided with two, and two sand grips are parallel to each other, and two sand grips set up respectively in the both sides of first constant head tank.

In above-mentioned technical scheme, the sand grip is located the both sides of first constant head tank, and consequently when placing the festival fork on the plummer, the sand grip can roughly guide the position of placing of festival fork, and when the festival fork was placed and was removed, its lower extreme was difficult for receiving the influence of sand grip, can place comparatively on the plummer smoothly, and then the stability of festival fork position when further improving this anchor clamps centre gripping festival fork to improve the machining precision of drilling machine.

The present application may be further configured in a preferred example to: two limiting blocks are arranged on the bearing table, the opposite surfaces of the two limiting blocks are parallel to each other, and the opposite surfaces of the two limiting blocks are connected with the abutting blocks in a sliding manner; the length direction of sand grip is on a parallel with two the one side that the stopper is opposite to.

In the technical scheme, the limiting block can limit the abutting block from two sides, so that the abutting block is not easy to deviate in the length direction of the vertical protruding strip. Therefore, when the abutting block pushes the joint fork and enables the joint fork to abut against the positioning block, the joint fork is not easy to deviate due to lateral force, and the overall stability of the clamp is improved.

The present application may be further configured in a preferred example to: the side walls on the two sides of the first positioning groove are provided with guide surfaces at the opening, and the guide surfaces are obliquely arranged from the opening of the first positioning groove to the bottom of the first positioning groove in a mode of approaching to each other.

In above-mentioned technical scheme, the spigot surface can make the festival fork locate first constant head tank by the card more steadily in, when placing the festival fork, even there is the skew slightly in the position of festival fork, also can make the festival fork remove to the bottom surface of first constant head tank through the effect of guide way, finally carries out the centre gripping to the festival fork through the bottom surface of first constant head tank, helps further improving the stability of this anchor clamps centre gripping festival fork to improve the machining precision of drilling machine.

The present application may be further configured in a preferred example to: the positioning block is fixedly provided with a guide block, and a guide hole for guiding the drill rod is formed in the guide block in the vertical direction.

In the technical scheme, the guide hole can guide the advancing direction of the drill rod, so that the machining precision of the drilling machine is further improved.

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

1. in this application, press from both sides tight festival fork jointly through the locating piece and support the piece to further inject the position of festival fork through first constant head tank, make anchor clamps can carry out the centre gripping to festival fork steadily, thereby improve the machining precision of drilling machine.

2. In this application, through setting up the second constant head tank, fix a position the festival fork jointly with first constant head tank, help further improving the machining precision of festival drilling machine.

Drawings

FIG. 1 is a schematic structural view of a yoke;

FIG. 2 is a schematic structural view of the whole clamp in the embodiment of the present application;

FIG. 3 is a schematic structural diagram of a holding block in the embodiment of the present application;

fig. 4 is a schematic structural diagram of a positioning block in an embodiment of the present application.

In the figure, 1, a bearing platform; 11. a convex strip; 12. a limiting block; 2. positioning blocks; 21. a second positioning groove; 22. a clamping block; 23. a guide block; 24. a guide hole; 3. a propping block; 31. a card slot; 32. a first positioning groove; 33. a guide surface; 4. a drive member; 5. a joint fork; 51. a yoke body; 52. a fork leg; 53. a bottom hole; 54. an ear hole.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example (b): a drill jig, refer to fig. 2, includes plummer 1, fixed set up locating piece 2 on plummer 1, slide and set up the tight piece 3 of support on plummer 1. A driving part 4 is arranged on the bearing platform 1 and used for driving the abutting block 3 to be close to or far away from the positioning block 2. In this application, driving piece 4 is a cylinder, and the piston rod of cylinder is on a parallel with the upper surface of plummer 1, and the piston rod fixed connection of cylinder keeps away from one side of locating piece 2 in supporting piece 3.

Referring to fig. 3, a first positioning groove 32 is formed in the abutting block 3 along the vertical direction, a guide surface 33 is formed at a notch of the first positioning groove 32, and the guide surface 33 is inclined from the notch of the first positioning groove 32 to the bottom surface of the first positioning groove 32 in an opposite direction. The two sides of the abutting block 3 on the bearing table 1 are respectively provided with a limiting block 12, one opposite sides of the two limiting blocks 12 are parallel to each other and abut against the abutting block 3 from two sides, and the two limiting blocks are used for limiting the abutting block 3. Two convex strips 11 are arranged on the bearing table 1, two clamping grooves 31 are arranged on the lower surface of the abutting block 3, and the convex strips 11 are clamped in the clamping grooves 31 and are in sliding connection with the clamping grooves 31. The two convex strips 11 are parallel to each other, and the length direction of the convex strips 11 is arranged along the connecting line of the abutting block 3 and the positioning block 2. The two convex strips 11 are respectively arranged at two sides of the first positioning groove 32.

Referring to fig. 2 and 4, the positioning block 2 is provided with a second positioning groove 21 along the vertical direction, and the second positioning groove 21 and the first positioning groove 32 are oppositely arranged. The side walls of the second positioning groove 21 at two sides are oppositely arranged from the opening of the second positioning groove 21 to the bottom of the second positioning groove 21. A latch 22 is disposed on each of the inner walls of the second positioning groove 21. A guide block 23 is arranged at the upper end of the positioning block 2, and a guide hole 24 is formed in the guide block 23 along the vertical direction.

The implementation principle and the using method of the embodiment are as follows:

fig. 2 shows the engagement state of the yoke 5 and the jig during drilling. When the hole 54 needs to be drilled in the yoke 5, the yoke 5 is placed between the two protruding strips 11 in a posture that the yoke body 51 faces the abutting block 3 and the yoke leg 52 faces the positioning block 2 and the two yoke legs 52 are arranged in the vertical direction, wherein the yoke leg 52 needing to be drilled is arranged above. Then the driving member 4 drives the abutting block 3 to slide along the protruding strip 11 and pushes the yoke 5 to move towards the positioning block 2. In the above process, under the action of the guide surface 33, the first positioning groove 32 can position the yoke body 51, so that the yoke body 51 is more stable.

When the fork leg 52 extends into the second positioning slot 21, the joint fork 5 is completely clamped, and the fixture block 22 abuts against the lower surface of the fork leg 52 above the joint fork 5 to support the fork leg 52. The drill stem of the drill press passes through the locating hole from top to bottom and the fork leg 52 is punched, thereby completing the drilling process of the ear hole 54. Above-mentioned in-process, anchor clamps are comparatively stable to the centre gripping of festival fork 5, help improving the machining precision of drilling machine.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A drill jig which characterized in that: including plummer (1), fixed set up locating piece (2), the slip that sets up on plummer (1) set up supporting piece (3) on plummer (1) and set up driving piece (4) that are used for driving supporting piece (3) and are close to or keep away from locating piece (2) on plummer (1), be provided with first constant head tank (32) that are used for the card to establish yoke body (51) on supporting piece (3).

2. The drill press fixture of claim 1, wherein: and a second positioning groove (21) for clamping a fork leg (52) of the joint fork (5) is formed in the positioning block (2) along the vertical direction.

3. The drill press fixture of claim 2, wherein: the second constant head tank (21) is perpendicular to the both sides lateral wall slope setting of the cross-section of second constant head tank (21) length direction, the width of second constant head tank (21) reduces from the opening to the bottom surface gradually.

4. The drill press fixture of claim 2, wherein: and a clamping block (22) for receiving a fork foot (52) of the yoke (5) from bottom to top is arranged on the side wall of the second positioning groove (21).

5. The drill press fixture of claim 1, wherein: be provided with sand grip (11) on plummer (1), the length direction of sand grip (11) sets up along the line of supporting tight piece (3) and locating piece (2), the bottom of supporting tight piece (3) is provided with draw-in groove (31), draw-in groove (31) and sand grip (11) sliding connection.

6. The drill press fixture of claim 5, wherein: the convex strips (11) are arranged in two numbers, the two convex strips (11) are parallel to each other, and the two convex strips (11) are respectively arranged on two sides of the first positioning groove (32).

7. The drill press fixture of claim 5, wherein: two limiting blocks (12) are arranged on the bearing table (1), the opposite surfaces of the two limiting blocks (12) are parallel to each other, and the opposite surfaces of the two limiting blocks (12) are both connected with the abutting block (3) in a sliding manner; the length direction of the convex strip (11) is parallel to the two opposite surfaces of the limiting blocks (12).

8. The drill press fixture of claim 1, wherein: the side walls of the two sides of the first positioning groove (32) are provided with guide surfaces (33) at the opening, and the guide surfaces (33) are obliquely arranged from the opening of the first positioning groove (32) to the bottom of the first positioning groove (32) in a mode of approaching to each other.

9. The drill press fixture of claim 1, wherein: the positioning block (2) is fixedly provided with a guide block (23), and a guide hole (24) for guiding a drill rod is formed in the guide block (23) in the vertical direction.