CN212020016U - A drill fixture for machine manufacturing - Google Patents

Abstract

The utility model discloses a drilling machine fixture for machine manufacturing, which comprises a first clamping block and a second clamping block. The opposite ends of the first clamping block and the second clamping block are respectively provided with installation grooves. A positioning column is fixedly connected to the inner wall of the positioning column, a torsion spring is sleeved on the surface of the positioning column, and one end of the torsion spring is movably attached to the inner wall of the installation groove. The utility model rotates the threaded rod, so that the threaded rod drives the second clamping block to move toward one end of the first clamping block through the threaded hole, the traction plate and the positioning rod, so that the circular workpiece to be processed squeezes the arc-shaped fixing plate and the hinge rod. Under the action of the torsion spring and the arc-shaped fixing plate, the friction between the arc-shaped fixing plate and the circular workpiece to be processed is increased, so that the circular workpiece to be processed will not be offset when drilling. phenomenon, the fixing effect is good, so that the accuracy of the workpiece can be improved, and the quality of the product can be improved.

Description

A drill fixture for machine manufacturing

technical field

The utility model relates to the technical field of mechanical equipment, in particular to a drilling machine fixture for machine manufacturing.

Background technique

As we all know, drilling machine is an important processing equipment in people's production activities. The main function of the drilling machine is to use the drill to process holes of various sizes on the workpiece. During the processing of the drilling machine, the workpiece is often kept stationary, the center of the tool is aligned with the center of the hole, and the tool is rotated to shape the hole on the workpiece.

However, in actual use of the prior art, when clamping a cylindrical or polygonal workpiece, the force-bearing area is small, it is easy to slide, and deviation occurs easily during drilling, which affects the accuracy of the workpiece and results in lower product quality.

Utility model content

The purpose of this utility model is to provide a drill fixture for machine manufacturing, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including a first clamping block and a second clamping block, and one end of the first clamping block and the second clamping block opposite to each other is respectively provided with an installation groove, and the installation groove A positioning column is fixedly connected to the inner wall of the positioning column, a torsion spring is sleeved on the surface of the positioning column, one end of the torsion spring is movably attached to the inner wall of the installation groove, and the other end of the torsion spring is movably attached to a hinge rod, and The hinge rod is hinged on the inner wall of the installation groove, the end of the hinge rod away from the installation groove is fixedly connected with an arc-shaped fixing plate, the end of the second clamping block close to the first clamping block is fixedly connected with a positioning rod, and the first clamp The inside of the block is provided with a movable groove, and the inner wall of the movable groove is movably connected with the surface of the positioning rod. The positioning rod penetrates and extends to the end of the first clamping block away from the second clamping block, and the positioning rod is away from the first clamping block. A traction plate is fixedly connected to one end of the traction plate, a threaded hole is opened in the middle of the traction plate, and a threaded rod is threadedly connected to the inner wall of the threaded hole. one end of the block.

Preferably, the number of the hinge rods is four, and every two hinge rods constitute a group, and the two sets of the hinge rods are respectively arranged at one end of the opposite surface of the first clamping block and the second clamping block.

Preferably, the two hinge rods in each group are symmetrically arranged with respect to the horizontal axis of the midpoint of the installation groove, and one end of each group of two hinge rods away from the installation groove is fixedly connected to the two ends of the arc-shaped fixing plate respectively.

Preferably, the arc-shaped fixing plate is an elastic stainless steel material member, and a rubber pad is fixedly connected to one end of the arc-shaped fixing plate away from the hinge rod.

Preferably, a positioning groove is formed inside the first clamping block, the inside of the positioning groove is communicated with the inside of the movable groove, and the inner walls of the positioning groove corresponding to the position of the movable groove are respectively movably connected with sliding blocks. The facing away surfaces of each of the sliding blocks are respectively slidably connected to the surfaces of the positioning rods, one end of the opposite surfaces of the two sliding blocks is fixedly connected with a telescopic rod, the surfaces of the telescopic rods are fixedly connected with a damping spring, and the two The middle part of one end of the opposite side of the sliding block is respectively fixedly connected with a traction rod, and the traction rod penetrates and extends to the front side of the first clamping block, the front side of the first clamping block is provided with a traction groove, and the inner wall of the traction groove It is communicated with the inner wall of the positioning slot, and the inner wall of the traction slot is movably connected with the surface of the traction rod.

Preferably, the surface of the positioning rod and the end of the sliding block corresponding to the position of the positioning rod are fixedly connected with barbs respectively, and the barbs are arranged obliquely, and the surface of the positioning rod and the end of the sliding block corresponding to the position of the positioning rod pass through The barbs mesh.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model makes the threaded rod drive the second clamping block to move to one end of the first clamping block through the threaded hole, the traction plate and the positioning rod by rotating the threaded rod, so that the circular workpiece to be processed is opposite to the arc-shaped fixing plate and the hinge rod. Extrusion, under the action of the torsion spring and the arc-shaped fixed plate, increases the friction between the arc-shaped fixed plate and the round workpiece to be processed, so that the round workpiece to be processed will not be drilled. The phenomenon of offset has a good fixing effect, which can improve the accuracy of the workpiece and improve the quality of the product;

2. The utility model also drives the positioning rod to move to one end of the first clamping block through the threaded rod with the threaded hole and the traction plate, so that the barb on the surface of the positioning rod is opposite to the barb at one end of the positioning rod corresponding to the sliding block. Slide, and make the two positioning rods drive the two sliding blocks to move towards each other through the barb, and squeeze the telescopic rod and the damping spring, so that the positioning rod can move normally, and when the positioning rod moves to the end away from the first clamping block, The barb on the surface of the positioning rod will be blocked by the barb at the end of the sliding block corresponding to the position of the positioning rod, preventing the positioning rod from moving to the end away from the first clamping block. , when the circular workpiece to be processed is processed, the distance between the first clamping block and the second clamping block will not increase, causing the circular workpiece to be deviated, and when the circular workpiece to be processed needs to be taken out, only Move the two traction rods toward each other in the traction groove, so that the traction rod drives the two sliding blocks to move toward each other and squeeze the telescopic rod and the damping spring until the sliding block is away from the surface of the positioning rod. At this time, the positioning rod can move freely in the movable groove. The inner wall of the machine moves, making it easy to disassemble the round workpiece to be processed.

Description of drawings

1 is a front cross-sectional view of the overall structure of a drill press fixture for machine manufacturing of the present utility model;

2 is a front view of the overall structure of a drill press fixture for machine manufacturing of the present utility model;

Fig. 3 is a front sectional view of the structure of a positioning rod of a drilling machine fixture for machine manufacturing of the present invention.

In the figure: 1, the first clamp block; 2, the second clamp block; 3, the installation slot; 4, the positioning column; 5, the torsion spring; 6, the hinge rod; 7, the arc fixed plate; 8, the positioning rod; 10, traction plate; 11, threaded hole; 12, threaded rod; 13, positioning groove; 14, sliding block; 15, telescopic rod; 16, damping spring; 17, traction rod; 18, traction groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3 , the present utility model provides a technical solution: it includes a first clamping block 1 and a second clamping block 2 , and the opposite ends of the first clamping block 1 and the second clamping block 2 are respectively provided with installation grooves 3. A positioning column 4 is fixedly installed on the inner wall of the installation slot 3, and a torsion spring 5 is sleeved on the surface of the positioning column 4. One end of the torsion spring 5 is movably fitted to the inner wall of the installation slot 3, and the other end of the torsion spring 5 is movably fitted There is a hinged rod 6, and the hinged rod 6 is hinged on the inner wall of the installation slot 3, the end of the hinged rod 6 away from the installation slot 3 is fixedly installed with an arc-shaped fixing plate 7, and the second clamping block 2 is fixedly installed at one end of the first clamping block 1 There is a positioning rod 8, a movable groove 9 is opened inside the first clamping block 1, and the inner wall of the movable groove 9 is movably connected with the surface of the positioning rod 8, and the positioning rod 8 penetrates and extends to the first clamping block 1 away from the second clamping block 2, the end of the positioning rod 8 away from the first clamping block 1 is fixedly installed with a traction plate 10, the middle of the traction plate 10 is provided with a threaded hole 11, the inner wall of the threaded hole 11 is threadedly connected with a threaded rod 12, and the threaded rod 12 is close to the first clamping block 1. One end of a clamping block 1 is rotatably connected to one end of the first clamping block 1 through a bearing.

The number of the hinge rods 6 is four, and every two hinge rods 6 is a group, and the two sets of hinge rods 6 are respectively arranged at one end of the opposite surface of the first clamping block 1 and the second clamping block 2 .

The two hinge rods 6 in each group are symmetrically arranged about the horizontal axis of the midpoint of the installation groove 3 , and the ends of the two hinge rods 6 in each group away from the installation groove 3 are fixedly installed on both ends of the arc-shaped fixing plate 7 .

The arc-shaped fixing plate 7 is an elastic stainless steel material member, and a rubber pad is fixedly installed at one end of the arc-shaped fixing plate 7 away from the hinge rod 6 .

The interior of the first clamping block 1 is provided with a positioning groove 13, and the interior of the positioning groove 13 is communicated with the interior of the movable groove 9. The inner walls of the positioning groove 13 corresponding to the position of the movable groove 9 are respectively movably connected with sliding blocks 14. The facing away surfaces of the blocks 14 are slidably connected to the surfaces of the positioning rods 8 respectively. One end of the opposite surfaces of the two sliding blocks 14 is fixedly installed with a telescopic rod 15 , and a damping spring 16 is fixedly installed on the surface of the telescopic rod 15 . The two sliding blocks 14 The middle part of one end of the opposite surface is respectively fixed with a traction rod 17, and the traction rod 17 penetrates and extends to the front side of the first clamping block 1. The front side of the first clamping block 1 is provided with a traction groove 18, and the traction groove 18 is provided with a traction groove 18. The inner wall is communicated with the inner wall of the positioning groove 13 , and the inner wall of the pulling groove 18 is movably connected with the surface of the pulling rod 17 .

The surface of the positioning rod 8 and the end of the sliding block 14 corresponding to the position of the positioning rod 8 are respectively fixed with barbs, and the barbs are arranged obliquely. The thorns are engaged, and when the threaded rod 12 is rotated so that the threaded rod 12 drives the positioning rod 8 to move toward one end of the first clamping block 1 through the threaded hole 11 and the traction plate 10, the barbs on the surface of the positioning rod 8 will be connected to the sliding block 14. The barbs at one end of the corresponding positioning rod 8 slide relative to each other, so that the two positioning rods 8 drive the two sliding blocks 14 to move toward each other through the barbs, and squeeze the telescopic rod 15 and the damping spring 16, so that the positioning rod 8 can move normally , and when the positioning rod 8 moves to the end away from the first clamping block 1, the barb on the surface of the positioning rod 8 will be blocked by the barb at the end of the sliding block 14 corresponding to the position of the positioning rod 8, preventing the positioning rod 8 from moving away from the first clamping block 1. One end of a clamping block 1 moves, that is, when the device is in use, after the round workpiece to be processed is fixed, the distance between the first clamping block 1 and the second clamping block 2 will not change when the circular workpiece to be processed is processed. When the circular workpiece to be processed deviates due to the increase in size, and when the circular workpiece to be processed needs to be taken out, it is only necessary to move the two traction rods 17 toward each other in the traction groove 18, so that the two sliding blocks 14 are driven by the traction rod 17. Move and squeeze the telescopic rod 15 and the damping spring 16 toward each other until the sliding block 14 is far away from the surface of the positioning rod 8. At this time, the positioning rod 8 can move freely on the inner wall of the movable groove 9, which facilitates the removal of the round workpiece to be processed.

Working principle: When in use, the utility model places the circular workpiece to be processed between the first clamping block 1 and the second clamping block 2 and rotates the threaded rod 12, so that the threaded rod 12 drives the traction plate 10 through the threaded hole 11 Move, so that the traction plate 10 can drive the second clamping block 2 to move through the positioning rod 8, so that the distance between the first clamping block 1 and the second clamping block 2 can be changed by rotating the threaded rod 12 to adapt to different diameters. A circular workpiece is processed, and when the first clamping block 1 and the second clamping block 2 are close to each other, the rubber pad on the surface of the arc-shaped fixing plate 7 will be closely attached to the surface of the circular workpiece to be processed, and the threaded rod will continue to be rotated. 12. Make the second clamping block 2 continue to approach one end of the first clamping block 1, so that the circular workpiece to be processed squeezes the arc-shaped fixing plate 7 and the hinge rod 6, so that the hinge rod 6 rotates and squeezes The torsion spring 5, and under the action of the torsion spring 5 and the arc-shaped fixing plate 7, make the rubber pad on the surface of the arc-shaped fixing plate 7 fit more closely with the circular workpiece to be processed, thereby increasing the arc-shaped fixing plate 7 The frictional force with the circular workpiece to be processed makes it possible that the circular workpiece to be processed will not be offset when drilling, and the fixing effect is good, so that the precision of the workpiece can be improved, and the quality of the product can be improved.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A drilling machine fixture for machine manufacturing, characterized in that: it comprises a first clamping block (1) and a second clamping block (2), and the first clamping block (1) and the second clamping block (2) are opposite to each other. One end of the mounting groove (3) is respectively opened, the inner wall of the mounting groove (3) is fixedly connected with a positioning column (4), and the surface of the positioning column (4) is sleeved with a torsion spring (5). One end of the torsion spring (5) is movably attached to the inner wall of the installation groove (3), and the other end of the torsion spring (5) is movably attached to a hinge rod (6), and the hinge rod (6) is hinged on the installation groove ( 3), an arc-shaped fixing plate (7) is fixedly connected to the end of the hinge rod (6) away from the installation groove (3), and the second clamping block (2) is close to one end of the first clamping block (1) A positioning rod (8) is fixedly connected, a movable groove (9) is opened inside the first clamping block (1), and the inner wall of the movable groove (9) is movably connected with the surface of the positioning rod (8). The rod (8) penetrates and extends to the end of the first clamping block (1) away from the second clamping block (2), and the end of the positioning rod (8) away from the first clamping block (1) is fixedly connected with a traction plate (10). ), the middle of the traction plate (10) is provided with a threaded hole (11), the inner wall of the threaded hole (11) is threadedly connected with a threaded rod (12), and the threaded rod (12) is close to the first clamping block ( One end of 1) is rotatably connected to one end of the first clamping block (1) through a bearing. 2. A drilling machine fixture for machine manufacturing according to claim 1, characterized in that: the number of the hinge rods (6) is four, and every two hinge rods (6) is a group, and the two groups are The hinge rods (6) are respectively arranged at one end of the opposite surfaces of the first clamping block (1) and the second clamping block (2). 3. A kind of drilling machine fixture for machine manufacturing according to claim 1, characterized in that: each group of two said hinge rods (6) is symmetrically arranged with respect to the horizontal axis of the midpoint of the mounting groove (3), and One end of each group of two hinge rods (6) away from the installation groove (3) is fixedly connected to the two ends of the arc-shaped fixing plate (7), respectively. 4. A drill press fixture for machine manufacturing according to claim 1, characterized in that: the arc-shaped fixing plate (7) is an elastic stainless steel material member, and the arc-shaped fixing plate (7) is away from the hinge rod (6) One end is fixedly connected with a rubber pad. 5 . The drilling machine fixture for machine manufacturing according to claim 1 , wherein a positioning groove ( 13 ) is opened inside the first clamping block ( 1 ), and the inside of the positioning groove ( 13 ) is connected to the The interior of the movable groove (9) is communicated, and the inner walls of the positioning groove (13) corresponding to the position of the movable groove (9) are respectively movably connected with sliding blocks (14), and the facing away surfaces of the two sliding blocks (14) They are respectively connected in sliding connection with the surface of the positioning rod (8), one end of the opposite surfaces of the two sliding blocks (14) is fixedly connected with a telescopic rod (15), and the surface of the telescopic rod (15) is fixedly connected with a damping spring (16), the middle parts of the opposite ends of the two sliding blocks (14) are respectively fixedly connected with a drawbar (17), and the drawbar (17) penetrates and extends to the front side of the first clamping block (1), The front side of the first clamping block (1) is provided with a traction groove (18), and the inner wall of the traction groove (18) is communicated with the inner wall of the positioning groove (13), and the inner wall of the traction groove (18) is connected to the traction groove (18). The surface of the rod (17) is articulated. 6 . The drill fixture for machine manufacturing according to claim 5 , wherein the surface of the positioning rod ( 8 ) and one end of the sliding block ( 14 ) corresponding to the position of the positioning rod ( 8 ) are fixedly connected respectively. 6 . There are barbs, and the barbs are arranged obliquely, and the surface of the positioning rod (8) is engaged with one end of the sliding block (14) corresponding to the position of the positioning rod (8) through the barbs.

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