CN217647558U - Drilling positioning fixture - Google Patents

Abstract

The application relates to a drilling positioning fixture, it includes: the automatic clamping device comprises a workbench, wherein a first clamping plate and a fixing block are arranged on the workbench, a push plate positioned between the first clamping plate and the fixing block is arranged on the workbench in a sliding manner, and a threaded rod and a hand wheel are arranged on the push plate; the second clamping plate is positioned between the push plate and the first clamping plate; cut the fork subassembly, it is including cutting the fork pole, it is connected with push pedal and second splint to cut the fork pole, and locating component, it includes spacing cooperation portion, spacing portion and connecting rod, and this application can directly drag the second splint, does not need the user to rotate the screw rod always and adjusts the interval between two splint, and the threaded rod only is responsible for press from both sides tight work piece can, and the user just need not consume the plenty of time and goes to rotate the threaded rod like this, can save a large amount of manpowers, can accelerate the centre gripping efficiency of work piece simultaneously, and the practicality is strong.

Description

A drilling positioning fixture

technical field

The present application relates to the technical field of jigs, and in particular, to a drilling positioning jig.

Background technique

Fixture refers to the device used to fix the processing object in the process of mechanical manufacturing, so that it occupies the correct position to accept construction or inspection, also known as fixture, in a broad sense, any process in the process is used to quickly, A device that can easily and safely install a workpiece can be called a fixture.

The general clamp adjusts the distance between the two clamping plates by rotating the threaded rod, so that the workpiece can be clamped and positioned by the two clamping plates. However, due to the large difference in the body shape of the workpiece, the stroke of the threaded rod is relatively large, so during operation, the user needs to spend a lot of time to rotate the threaded rod to adjust the distance between the two splints. However, this wastes a lot of manpower, and at the same time reduces the work efficiency of the user, which is very inconvenient.

In view of the above problems, a drilling positioning fixture is now designed.

Utility model content

The embodiment of the present application provides a drilling positioning fixture, so as to solve the problem of low work efficiency caused by the user's need to continuously rotate the threaded rod when the workpieces with different body shapes need to be alternately clamped in the related art.

In a first aspect, a drilling positioning fixture is provided, which includes:

A workbench, a first splint and a fixing block are arranged on the workbench, a push plate located between the first splint and the fixing block is slidably arranged on the workbench, and the push plate is rotatably connected with a thread with the fixing block a connected threaded rod, the threaded rod is provided with a hand wheel;

a second splint, which is located between the push plate and the first splint;

Scissor assembly, which includes:

- a first mounting seat, which is located on the push plate;

- a first slider, the sliding arrangement of which is on the push plate;

- a second mounting seat, which is provided on the second plywood;

- a second slider, which is slidably arranged on the second splint;

- a scissor rod, the four ends of which are respectively rotatably connected with the first mounting seat, the first sliding block, the second mounting seat and the second sliding block;

- A positioning assembly, which includes a limit matching part, a limit part and a connecting rod, the limit matching parts are provided with several groups and are arranged in the second clamping plate, and the connecting rod is slidably arranged in the second sliding block, so The limiting portion is connected with the connecting rod, and when the limiting portion cooperates with the limiting matching portion, the movement of the second sliding block is restricted.

In some embodiments, two sets of guide grooves are provided on the worktable;

The push plate includes an interconnected push plate body and two sets of guide blocks, and the guide blocks are slidably arranged in the guide grooves.

In some embodiments, a plurality of tooth grooves are equidistantly formed in the second clamping plate to form a plurality of limit fitting parts, and one end of the connecting rod close to the tooth grooves is provided with a protrusion that cooperates with the tooth grooves to form a limit part .

In some embodiments, a first spring is sleeved on the connecting rod, and two ends of the first spring are respectively connected with the connecting rod and the second sliding block;

The side of the tooth slot close to the second mounting seat is provided with an inclined surface, the depth of the side of the inclined surface close to the second mounting seat is smaller than the depth of the side away from the second mounting seat, and the protrusion is close to a side of the tooth slot. Sides fit with inclined surfaces.

In some embodiments, a pull ring is provided at one end of the connecting rod away from the limiting portion.

In some embodiments, the guide block is provided with a plurality of rollers in contact with the guide groove.

In some embodiments, a buffer assembly is also included. The buffer assembly includes two sets of fixing plates and a plurality of second springs. The two sets of fixing plates are respectively slidably arranged on the side of the second clamping plate and the first clamping plate that are close to each other. The second springs are respectively arranged in the second clamping plate and the first clamping plate and are connected with the fixing plate.

The embodiment of the present application provides a drilling positioning fixture, because the application can adjust the distance between the first clamping plate and the second clamping plate through the scissor bar, and limit and fix the motion state of the scissor bar through the positioning assembly, In this way, when workpieces with different body shapes need to be clamped and positioned, the distance between the two splints can be adjusted first, and then the push plate and the second splint can be moved by rotating the threaded rod through the handwheel, so that the first splint can pass through the first splint. And the second clamping plate clamps the workpiece, therefore, the application does not need to adjust the distance between the two clamping plates by turning the threaded rod all the time, and the threaded rod is only responsible for clamping the workpiece, so that the user does not need to spend a lot of money Time to turn the threaded rod can save a lot of manpower, and at the same time, it can speed up the clamping efficiency of the workpiece, and has strong practicability.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic diagram of a three-dimensional structure provided in an embodiment of the present application;

2 is a schematic three-dimensional structural diagram of a scissor assembly provided in an embodiment of the present application;

3 is a schematic top-view cross-sectional structure diagram provided by an embodiment of the present application;

FIG. 4 is an enlarged schematic structural diagram of the position A in FIG. 3 according to an embodiment of the present application.

In the figure: 1, workbench; 11, first splint; 12, push plate; 121, push plate body; 122, guide block; 13, fixed block; 14, threaded rod; 15, hand wheel; 16, guide groove; 2. The second splint; 3. The scissor assembly; 31, the first mounting seat; 32, the first sliding block; 33, the second mounting seat; 34, the second sliding block; 35, the scissor rod; 36, the positioning assembly 361, the limit matching part; 362, the limit part; 363, the connecting rod; 364, the pull ring; 365, the first spring; 4, the buffer assembly;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

The embodiment of the present application provides a drilling positioning fixture, which can solve the problem of low work efficiency caused by the user's need to continuously rotate the threaded rod when the workpieces with different body shapes need to be alternately clamped in the related art.

Please refer to FIG. 1-FIG. 4, a drilling positioning fixture, which includes a workbench 1, a second clamping plate 2 and a scissor assembly 3, the workbench 1 is provided with a first clamping plate 11 and a fixing block 13, so The working table 1 is slidably provided with a push plate 12 located between the first clamping plate 11 and the fixing block 13 . A hand wheel 15 is provided, so that when the workpiece needs to be clamped, the user can rotate the threaded rod 14 through the hand wheel 15, so that the threaded rod 14 can drive the push plate 12 to move through the threaded connection with the fixed block 13;

The second clamping plate 2 is located between the push plate 12 and the first clamping plate 11 , and the scissors assembly 3 includes a first mounting seat 31 , a first sliding block 32 , a second mounting seat 33 , a second sliding block 34 , a scissor Fork rod 35 and positioning assembly 36, the first mounting seat 31 is provided on the push plate 12, the first sliding block 32 is slidably provided on the push plate 12, and the second mounting seat 33 is provided on the second clamping plate 2 The second sliding block 34 is slidably arranged on the second clamping plate 2, and the four ends of the scissor rod 35 are respectively connected with the first mounting seat 31, the first sliding block 32, the second mounting seat 33 and the second mounting seat 31. The sliding block 34 is rotatably connected, so that when the scissor bar 35 is stretched, it will push the second clamp plate 2 to move, thereby adjusting the distance between the second clamp plate 2 and the first clamp plate 11;

The positioning assembly 36 includes a limit matching portion 361, a limit portion 362 and a connecting rod 363. The limit matching portion 361 is provided in several groups and is arranged in the second clamping plate 2, and the connecting rod 363 is slidably arranged on the first clamp. In the two sliding blocks 34 , the limiting portion 362 is connected with the connecting rod 363 . When the limiting portion 362 cooperates with the limiting matching portion 361 , the movement of the second sliding block 34 is limited. When adjusting, the position of the limit part 362 and the limit matching part 361 can be limited to prevent the second slider 34 from moving, so that the second slider 34 cannot move the scissor rod 35 and the second clamp 2 will not. In this way, the position of the second splint 2 can be limited and fixed, so that when the workpieces with large differences in body shape need to be clamped and positioned, the distance between the first splint 11 and the second splint 2 can be adjusted first. , and then rotate the threaded rod 14 through the handwheel 15 to push the push plate 12, the scissor rod 35 and the second clamping plate 2 to move, so that the workpiece is clamped by the first clamping plate 11 and the second clamping plate 2, so that there is no need to pass the constant Rotating the threaded rod 14 adjusts the distance between the first clamping plate 11 and the second clamping plate 2, so that the threaded rod 14 is only responsible for clamping the workpiece, and the user does not need to spend a lot of time rotating the threaded rod 14, which can save a lot of money At the same time, it can speed up the clamping efficiency of the workpiece and has strong practicability.

Specifically, in this embodiment, the worktable 1 is provided with two sets of guide grooves 16 , and the push plate 12 includes a push plate body 121 connected to each other and two sets of guide blocks 122 , and the guide blocks 122 are slidably arranged. In the guide groove 16 , the sliding connection between the guide groove 16 and the guide block 122 is limited, so that the push plate 12 can only move in a straight line, and the push plate 12 can be prevented from turning over during the movement.

Referring to FIG. 4 , in this embodiment, a plurality of tooth slots are equidistantly formed in the second clamping plate 2 to form a plurality of limit fitting portions 361 , and one end of the connecting rod 363 close to the tooth slots is provided with a corresponding tooth slot. The matching protrusions form the limiting portion 362, so that when the protrusions are inserted into the tooth slots, the second sliding block 34 can be limited and fixed to prevent the second sliding block 34 from moving. When the second sliding block 34 needs to be moved , just pull the protrusion out of the tooth slot.

More specifically, in this embodiment, a first spring 365 is sleeved on the connecting rod 363 , and both ends of the first spring 365 are respectively connected with the connecting rod 363 and the second sliding block 34 . The side close to the second mounting seat 33 is provided with an inclined surface, the depth of the side of the inclined surface close to the second mounting seat 33 is smaller than the depth of the side away from the second mounting seat 33, and the side of the protrusion is close to the tooth slot Fitting with the inclined surface, so that the connecting rod 363 and the protrusion will always approach the tooth slot through the elastic force of the first spring 365, so that when it is necessary to push the second clamp plate 2 to move toward the first clamp plate 11, the scissor rod 35 will will expand, and at the same time, the second slider 34 will drive the protrusion to approach the direction of the second mounting seat 33, so that the protrusion will always slide against the inclined surface of the tooth slot during the movement process, so that when the scissor rod 35 is unfolded Without limitation, when the scissor bar 35 needs to be retracted, the second sliding block 34 needs to move in the opposite direction, and the protrusion will be stuck in the tooth slot, thereby restricting the movement of the second sliding block 34 .

Preferably, a pull ring 364 is provided at one end of the connecting rod 363 away from the limiting portion 362 , so that it is more convenient for the user to pull the connecting rod 363 and has strong practicability.

Further, the guide block 122 is provided with a number of rollers in contact with the guide groove 16 , which can reduce the friction force between the guide block 122 and the guide groove 16 , thereby making the push plate 12 move more smoothly.

As a further solution of the present application, in this embodiment, a buffer assembly 4 is further included. The buffer assembly 4 includes two sets of fixing plates 41 and a plurality of second springs 42. The two sets of the fixing plates 41 are respectively slidably arranged on the first On the side of the second clamp plate 2 and the first clamp plate 11 that are close to each other, a plurality of the second springs 42 are respectively arranged in the second clamp plate 2 and the first clamp plate 11 and connected to the fixing plate 41, so that the second clamp plate 2 and the first clamp plate 42 are connected to each other through the second clamp plate 2. When a clamping plate 11 clamps the workpiece, the fixing plate 41 will first contact the workpiece and squeeze the second spring 42, so that the force of pressing the workpiece can be buffered by the elastic force of the second spring 42, so as to avoid pressing The force of tightening the workpiece is too large, resulting in damage to the workpiece and ensuring the quality of the workpiece.

This application works as follows:

In the implementation process, when the workpiece needs to be clamped with a small size, the user can directly pull the second clamp plate 2 toward the first clamp plate 11, so that the second clamp plate 2 drives the scissor rod 35 to expand, so that the scissor rod 35 expands During the moving process, the second sliding block 34 will be driven to approach the second mounting seat 33, and the protrusion on the second sliding block 34 will always slide against the inclined surface of the tooth slot during the moving process, so that the scissor bar 35 will be unrestricted when unfolding. When the second splint 2 is not moved, the protrusion will be retracted into the tooth slot by the elastic force of the first spring 365, so as to limit the position by the cooperation between the protrusion and the tooth slot, This can prevent the second clamping plate 2 from retracting in the direction of the push plate 12. When it is necessary to clamp a large workpiece, the user pulls the pull ring 364 outward to pull the protrusion out of the tooth slot, so that the user can Directly push the second clamping plate 2 to move, so that the user can adjust the distance between the first clamping plate 11 and the second clamping plate 2 by pulling the second clamping plate 2 and the pull ring 364, and then when the workpiece needs to be clamped, The user only needs to rotate the threaded rod 14 through the handwheel 15, and push the push plate 12, the scissor rod 35 and the second clamping plate 2 to move through the threaded rod 14, so that the workpiece is clamped by the first clamping plate 11 and the second clamping plate 2, In this way, the user does not need to spend a lot of time to rotate the threaded rod 14, which can save a lot of manpower and speed up the clamping efficiency of the workpiece;

At the same time, when the workpiece is clamped by the second clamping plate 2 and the first clamping plate 11 , the fixing plate 41 will first contact the workpiece and squeeze the second spring 42 , so that the workpiece can be squeezed by the elastic force of the second spring 42 . The force of the workpiece is buffered to avoid the excessive force of pressing the workpiece, resulting in damage to the workpiece and ensuring the quality of the workpiece.

In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that, in this application, 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 such actual relationship or sequence exists between these entities or operations. 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. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, this application is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (7)

1. a drilling positioning fixture, is characterized in that, it comprises: A workbench (1), the workbench (1) is provided with a first splint (11) and a fixing block (13), and the workbench (1) is slidably provided with a first splint (11) and a fixing block A push plate (12) between (13), the push plate (12) is rotatably connected with a threaded rod (14) threaded with the fixing block (13), and a hand wheel is provided on the threaded rod (14). (15); a second clamp plate (2), which is located between the push plate (12) and the first clamp plate (11); A scissor assembly (3), comprising: - a first mounting seat (31), which is provided on the push plate (12); - a first sliding block (32), which is slidably arranged on the push plate (12); - a second mounting seat (33), which is provided on the second clamping plate (2); - a second sliding block (34), which is slidably arranged on the second clamping plate (2); - a scissor rod (35), the four ends of which are respectively rotatably connected with the first mounting seat (31), the first sliding block (32), the second mounting seat (33) and the second sliding block (34); - a positioning assembly (36), which includes a limit matching part (361), a limit part (362) and a connecting rod (363), the limit matching part (361) is provided with several groups and is arranged on the second clamping plate ( 2), the connecting rod (363) is slidably arranged in the second sliding block (34), the limiting portion (362) is connected with the connecting rod (363), and the limiting portion (362) is connected with the limiting portion (362). The movement of the second sliding block (34) is restricted when the matching portion (361) is engaged. 2. a kind of drilling positioning fixture as claimed in claim 1 is characterized in that: Two sets of guide grooves (16) are provided on the worktable (1); The push plate (12) includes an interconnected push plate body (121) and two sets of guide blocks (122), the guide blocks (122) being slidably arranged in the guide grooves (16). 3. a kind of drilling positioning fixture as claimed in claim 1 is characterized in that: A plurality of tooth slots are equidistantly opened in the second clamping plate (2) to form a plurality of limit matching parts (361), and one end of the connecting rod (363) close to the tooth slots is provided with a protrusion matched with the tooth slots to A stopper (362) is formed. 4. a kind of drilling positioning fixture as claimed in claim 3 is characterized in that: A first spring (365) is sleeved on the connecting rod (363), and both ends of the first spring (365) are respectively connected with the connecting rod (363) and the second sliding block (34); The side of the tooth slot close to the second mounting seat (33) is provided with an inclined surface, and the depth of the side of the inclined surface close to the second mounting seat (33) is smaller than the depth of the side away from the second mounting seat (33), The side of the protrusion close to the tooth slot is in contact with the inclined surface. 5. a kind of drilling positioning fixture as claimed in claim 4 is characterized in that: A pull ring (364) is provided at one end of the connecting rod (363) away from the limiting portion (362). 6. a kind of drilling positioning fixture as claimed in claim 2 is characterized in that: The guide block (122) is provided with a plurality of rollers that are in contact with the guide groove (16). 7. A kind of drilling positioning fixture as claimed in claim 1, is characterized in that: It also includes a buffer assembly (4), the buffer assembly (4) includes two sets of fixing plates (41) and a plurality of second springs (42), and the two sets of the fixing plates (41) are respectively slidably arranged on the second splint (2). ) and the first clamping plate (11) close to each other, a plurality of the second springs (42) are respectively arranged in the second clamping plate (2) and the first clamping plate (11) and connected with the fixing plate (41).

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