CN210633319U

CN210633319U - Bar drilling clamp

Info

Publication number: CN210633319U
Application number: CN201921615580.XU
Authority: CN
Inventors: 杨一平
Original assignee: PINGHU CITY FINE ART MACHINERY FACTORY
Current assignee: PINGHU CITY FINE ART MACHINERY FACTORY
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-29
Anticipated expiration: 2029-09-26

Abstract

The utility model provides a bar boring grab, the fixture comprises a fixture body, anchor clamps body upper surface has seted up the dovetail towards interior, it places the piece to slide in the dovetail, place and seted up the V-arrangement standing groove on the piece, the washtrough has been seted up to the centre of V-arrangement standing groove length, be equipped with in the washtrough and punch a hole, the both ends of dovetail are provided with clamping mechanism respectively, every clamping mechanism includes screw rod and two chucks, screw rod and anchor clamps body threaded connection, and the screw rod arranges the one end fixedly connected with bearing in the dovetail in, the bearing is fixed to be inlayed in the lateral wall of dovetail, two the equal threaded connection of chuck is in the screw rod, and two chucks are located the both sides in V-arrangement groove respectively. The utility model discloses it is rational in infrastructure, can press from both sides the both ends of tight bar through the mode of hand screw rod, alleviate the labour, and place the removable adaptable bar hole site of piece and differ.

Description

Bar drilling clamp

Technical Field

The utility model relates to the technical field of machining, specifically be a bar boring grab.

Background

Hardware processing factory, the most common is to carry out operations such as drilling, turning, tapping to various hardware, in drilling operation, its object shape differs, there are square, circular, polygon etc. for the work piece of treating drilling of better fixation, all be supporting specific anchor clamps, especially for circular work piece, when punching on its outer wall, often because fixed insecure leads to the drilling to skid, the hole site deviation, cause the wastrel, in addition, the hole site of bar is not uniform, current anchor clamps are only applicable to a hole site drilling, comparatively single hole site drilling, in addition, the hole site of bar is not uniform, the operation such as drilling, turning, tapping, etc

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bar boring grab to the problem that proposes in solving the technical background, the both ends of tight bar can be pressed from both sides through the mode of hand screw rod, have alleviateed the labour, and place the removable problem that can avoid the bar hole site to differ of piece.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a bar boring grab, includes the anchor clamps body, anchor clamps body upper surface is inwards equipped with the dovetail, it places the piece to slide in the dovetail, place and seted up the V-arrangement standing groove on the piece, the dashpot has been seted up to the centre of V-arrangement standing groove length, be equipped with in the dashpot and punch a hole, the both ends of dovetail are provided with clamping mechanism respectively, every clamping mechanism includes screw rod and two chucks, screw rod and anchor clamps body threaded connection, and the screw rod one end fixedly connected with bearing in arranging the dovetail in, the bearing is fixed to be inlayed in the lateral wall of dovetail, two the equal threaded connection of chuck is in the screw rod, and two chucks are located the both sides in V-arrangement groove respectively.

Adopt above-mentioned technical scheme, the workman realizes two chuck relative motion through rotating the screw rod, plays the effect of pressing from both sides tight bar, places piece and dovetail moreover and becomes to inlay the cooperation mutually, has effectively reduced the rocking of placing the piece position, improves the stability of drilling, and both can dismantle moreover, clear up whole anchor clamps for better maintenance.

Preferably, the screw comprises a left thread part and a right thread part, the left thread part and the right thread part are symmetrical to each other with a screw middle point as an axis, and the two chucks are respectively in threaded connection with the left thread part and the right thread part. The screw thread is divided into two parts, so that the chuck can move relatively, the purpose of clamping the bar from two sides is realized, and the phenomenon of looseness can not occur under the condition that the screw thread is meshed with the screw thread as long as the screw is not moved.

Preferably, the chuck is connected with a cross rod, the dovetail groove is provided with a channel with the same cross section as the cross rod towards the inner wall, and the cross rod slides in the channel. The cross bar is arranged so that the chuck can translate linearly along the screw.

Preferably, a sliding assembly is arranged at the position of the clamp body at one end of the dovetail groove, sliding assemblies are respectively arranged at the positions of the clamp bodies at two ends of the dovetail groove, each sliding assembly comprises a sliding sleeve and a sliding rod, the sliding sleeve is fixed on the outer wall of the clamp body through bolts, the sliding rods slide in the sliding sleeve, and a baffle is fixed at the position of the clamp body at the other end of the dovetail groove. The sliding rod slides in the sliding sleeve and can be abutted against the placing block to fix the front position and the rear position of the placing block.

Preferably, a trough is arranged below the punching round mandrel, the trough is arranged in the width direction of the clamp body, and one end of the trough penetrates through the clamp body. The flushed scraps can be concentrated in the trough and then taken out of the trough, so that the blockage and punching are avoided.

Preferably, a rocker arm is arranged at one end of the screw rod, which is positioned outside the clamp body. The screw rod is convenient for workers to rotate, and the labor-saving effect is achieved.

Preferably, rubber pads are arranged on the two sides, close to each other, of the two chucks and the notch of the V-shaped placing groove. The friction is increased, and the bar stock is placed conveniently.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a cross-sectional view of a widthwise side view of the embodiment;

fig. 3 is a sectional view of a lengthwise side view of the embodiment.

Reference numerals: 1. a clamp body; 2. a dovetail groove; 3. placing the blocks; 31. a V-shaped placing groove; 4. notching; 41. punching; 5. a clamping mechanism; 51. a screw; 52. a chuck; 61. a left threaded portion; 62. a right threaded portion; 7. a cross bar; 8. a channel; 9. a sliding assembly; 91. a sliding sleeve; 92. a slide bar; 10. a baffle plate; 11. a trough; 12. a rocker arm; 13. a rubber pad; 14. and (7) a cover plate.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 and 3, a bar drilling fixture, including anchor clamps body 1, anchor clamps body 1 upper surface inwards has been equipped with dovetail 2, it places piece 3 to slide in dovetail 2, place and seted up V-arrangement standing groove 31 on the piece 3, the dashing groove 4 has been seted up to the centre of V-arrangement standing groove 31 length, be equipped with in the dashing groove 4 and punch a hole 41, the below department of the 41 round axle that punches a hole is equipped with silo 11, silo 11 sets up in anchor clamps body 1 width direction, the one end of its silo 11 runs through in anchor clamps body 1. The scraps can be collected in the trough 11 and taken out from the trough 11, so as to avoid blocking the punched hole 41.

As shown in fig. 2, the clamping mechanisms 5 are respectively disposed at two ends of the dovetail groove 2, each clamping mechanism 5 includes a screw 51 and two chucks 52, the screw 51 is in threaded connection with the fixture body 1, and one end of the screw 51 disposed in the dovetail groove 2 is fixedly connected with a bearing, the bearing is fixedly embedded in a side wall of the dovetail groove 2, both the chucks 52 are in threaded connection with the screw 51, and the two chucks 52 are respectively located at two sides of the V-shaped groove, the screw 51 includes a left thread portion 61 and a right thread portion 62, the left thread portion 61 and the right thread portion 62 are mutually symmetrical with a middle point of the screw 51 as an axis, and the two chucks 52 are respectively in threaded connection with the left thread. In addition, the end of the screw 51 located outside the jig body 1 is provided with a swing arm 12 for allowing a worker to rotate the screw 51.

As shown in fig. 2, the collet 52 is connected to the crossbar 7, and the dovetail groove 2 is provided with a passage 8 having a cross section corresponding to that of the crossbar 7 toward the inner wall thereof, and the crossbar 7 slides in the passage 8. The cross bar 7 is arranged so that the collet 52 can translate linearly along the screw 51.

As shown in fig. 1, a sliding assembly 9 is arranged at the fixture body 1 at one end of the dovetail groove 2, the sliding assemblies 9 are respectively arranged at the fixture bodies 1 at two ends of the dovetail groove 2, the sliding assembly 9 comprises a sliding sleeve 91 and a sliding rod 92, the sliding sleeve 91 is fixed on the outer wall of the fixture body 1 by bolts, the sliding rod 92 slides in the sliding sleeve 91, and a baffle 10 is fixed at the fixture body 1 at the other end of the dovetail groove 2.

In addition, as shown in fig. 2, rubber pads 13 are arranged at the two sides of the two clamping heads 52 close to each other and at the notch of the V-shaped placing groove 31, so that friction can be increased, and displacement of the bar stock can be limited.

The specific working principle is as follows: the placing block 3 is pushed in from one end of the dovetail groove 2, when the pushed end face of the placing block 3 is abutted against the baffle 10, the slide rod 92 is slid, so that one end of the slide rod 92 is abutted against the other end face of the placing block 3, and thus, the position of the placing block 3 can be fixed.

Keep anchor clamps body 1 rigid, then place the bar of waiting to bore holes on V-arrangement standing groove 31, the one end of bar supports baffle 10, and baffle 10 is used for the location of bar, because the port department of V-arrangement standing groove 31 is equipped with rubber pad 13, helps the bar just can reduce the aversion when just placing.

Then the workman rotates rocking arm 12, makes screw rod 51 rotate, and the screw thread of symmetry and the spacing of passageway 8 on the screw rod 51 can make two chuck 52 can follow screw rod 51 central point relative motion to realize the purpose of pressing from both sides tight bar, also be provided with rubber pad 13 on the chuck 52, can reduce chuck 52 direct contact bar and cause the problem of bar surface wear, can increase the friction to a certain extent again, improve the degree of clamp.

Then, a cover plate 14 is used together with the placing block 3, the cover plate 14 fixes the cover plate 14 on the clamp body 1 from four corners through bolts, a positioning hole is formed in the cover plate 14, when the cover plate 14 covers the upper end face of the clamp body 1, the positioning hole is collinear with the central axis of the punching hole 41, and the punching position can be found by a punching knife conveniently through the positioning hole. The remainder of the drilled material will fall into the chute 11.

After drilling, the depth of the dovetail groove 2 is deep, and the parts above the placing groove are all empty, so that the size of the drilled bar is not changed, the cover plate 14 does not need to be taken down, the clamping heads 52 are loosened from two sides of the bar by rotating the rocker arms 12 in the opposite directions, and the next bar can be punched 41 after the bar is taken out, so that the drilling process is simple and convenient.

When the positions of the holes are different, the sliding rod 92 can be pulled open, the placing block 3 can be taken out, and the placing block 3 and the cover plate 14 in different hole positions can be replaced.

Claims

1. The bar drilling fixture comprises a fixture body (1) and is characterized in that a dovetail groove (2) is formed in the upper surface of the fixture body (1) inwards, a placing block (3) is arranged in the dovetail groove (2) in a sliding mode, a V-shaped placing groove (31) is formed in the placing block (3), a punching groove (4) is formed in the middle of the length of the V-shaped placing groove (31), punched holes (41) are formed in the punching groove (4), clamping mechanisms (5) are arranged at two ends of the dovetail groove (2) respectively, each clamping mechanism (5) comprises a screw rod (51) and two clamping heads (52), the screw rod (51) is in threaded connection with the fixture body (1), a bearing is fixedly connected to one end of the screw rod (51) in the dovetail groove (2), the bearing is fixedly embedded in the side wall of the dovetail groove (2), the two clamping heads (52) are in threaded connection with the screw rod (51), and two chucks (52) are respectively positioned at two sides of the V-shaped groove.

2. The bar boring jig of claim 1, wherein the screw (51) comprises a left thread part (61) and a right thread part (62), the left thread part (61) and the right thread part (62) are symmetrical to each other about a midpoint of the screw (51), and two chucks (52) are threadedly coupled to the left thread part (61) and the right thread part (62), respectively.

3. The bar stock drilling jig according to claim 1, characterized in that the cross bar (7) is connected to the chuck (52), the dovetail groove (2) is provided with a channel (8) with the same section as the cross bar (7) towards the inner wall, and the cross bar (7) slides in the channel (8).

4. The bar drilling fixture according to claim 1, wherein a sliding assembly (9) is arranged at the fixture body (1) at one end of the dovetail groove (2), the sliding assembly (9) comprises a sliding sleeve (91) and a sliding rod (92), the sliding sleeve (91) is fixed on the outer wall of the fixture body (1) through a bolt, the sliding rod (92) slides in the sliding sleeve (91), and a baffle (10) is fixed at the fixture body (1) at the other end of the dovetail groove (2).

5. The bar drilling fixture according to claim 1, wherein a trough (11) is arranged below the round mandrel of the punched hole (41), the trough (11) is arranged in the width direction of the fixture body (1), and one end of the trough (11) penetrates through the fixture body (1).

6. A bar boring fixture according to claim 2, characterised in that the end of the screw (51) outside the fixture body (1) is provided with a rocker arm (12).

7. The bar drilling jig according to claim 1, wherein the two chucks (52) are provided with rubber pads (13) at the groove opening of the V-shaped placing groove (31) at the two sides close to each other.