CN219925292U

CN219925292U - Workpiece drilling positioning fixture for machining

Info

Publication number: CN219925292U
Application number: CN202321650908.8U
Authority: CN
Inventors: 张茜
Original assignee: Hubei Open University Hubei Vocational College Of Science And Technology
Current assignee: Hubei Open University Hubei Vocational College Of Science And Technology
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-10-31
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a workpiece drilling positioning fixture for machining, which comprises the following components: the lateral adjusting mechanism comprises a first screw rod rotationally connected with the side wall of the base, and a first screw sleeve is sleeved on the outer ring of the first screw rod in a rotating manner; the longitudinal adjusting mechanism comprises a fixed seat, the bottom of the fixed seat is fixedly connected with a first wire sleeve, the side wall of the fixed seat is rotationally connected with a second screw rod, and a second wire sleeve is rotationally sleeved on the outer ring of the second screw rod; the clamping mechanism comprises a mounting seat, the outer wall of the bottom of the mounting seat is fixedly connected with a second wire sleeve, the inner wall of the bottom of the mounting seat is slidably connected with two racks, and the top of each rack is welded with a connecting rod. Through the cooperation of horizontal adjustment mechanism and vertical adjustment mechanism, conveniently remove fixture's position for the work piece of fixing in fixture can remove in the in-process of processing, need not carry out the dismouting again, greatly improved the drilling efficiency of work piece.

Description

Workpiece drilling positioning fixture for machining

Technical Field

The utility model relates to a workpiece drilling positioning fixture for machining, and belongs to the technical field of positioning fixtures.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.

The fixture is generally composed of a positioning element (determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guide element (determining the relative position of the tool and the workpiece or guiding the tool direction), an indexing device (enabling the workpiece to finish the machining of a plurality of stations in one installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (fixture base) and the like.

In the prior art, for example, the Chinese patent number is: the utility model provides a "work piece boring grab for machining", CN217121844U, is including the stable bottom plate that is located ground top, the middle part of stable bottom plate upper surface is equipped with rotatable annular rotating turret, the bottom fixed mounting of annular rotating turret surface has first fixed rack, the left side fixed mounting of stable bottom plate upper surface has the rotation motor, rotation motor's output fixed mounting has the rotation gear, first fixed rack and rotation gear meshing, annular rotating turret's upper surface fixed mounting has the stable disc, stable disc's lower surface fixed mounting has the regulation clamping device, stable bottom plate upper surface's rear side fixed mounting has L shape riser, L shape riser top inner wall is equipped with slidable movable frame, the inside fixed mounting of movable frame has the biax motor, the output fixedly connected with rotary gear of biax motor, L shape riser top inner wall fixedly connected with second fixed rack, rotary gear and second fixed engagement, the lower surface of movable frame has rotary motor at its output fixedly connected with drill bit through installing electric putter. The drilling machine has the beneficial effects that the connecting support is driven by the push rod motor to drive the push rod to move, the movable rod is driven to push the movable vertical plate and the clamping plate to move to clamp and fix the workpiece, the workpiece is better in clamping and fixing effect, the workpiece is convenient to drill more accurately and rapidly, the position of the workpiece is not required to be adjusted repeatedly, the drilling operation can be performed, the better adjustment operation is facilitated, and the use convenience is improved.

However, in the prior art, when the position of the workpiece drilling is changed, the workpiece needs to be detached from the fixture to be fixed again, and the processing time of the workpiece drilling is extremely consumed.

Disclosure of Invention

The utility model aims at solving the problems in the prior art and overcoming the defects in the prior art, and designs the workpiece drilling positioning clamp for machining, which is convenient to move a fixed workpiece.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

a workpiece drilling positioning fixture for machining, comprising:

the lateral adjusting mechanism comprises a first screw rod rotationally connected with the side wall of the base, and a first screw sleeve is sleeved on the outer ring of the first screw rod in a rotating manner;

the longitudinal adjusting mechanism comprises a fixed seat, the bottom of the fixed seat is fixedly connected with a first wire sleeve, the side wall of the fixed seat is rotationally connected with a second screw rod, and a second wire sleeve is rotationally sleeved on the outer ring of the second screw rod;

the clamping mechanism comprises a mounting seat, the outer wall of the bottom of the mounting seat is fixedly connected with a second wire sleeve, two racks are slidably connected to the inner wall of the bottom of the mounting seat, connecting rods are welded to the tops of the racks, and the connecting rods penetrate through the tops of the mounting seat and are fixedly connected with clamping plates.

Preferably, one end of the first screw rod penetrates through one side of the base and is fixedly connected with the first crank.

Preferably, the lateral wall fixedly connected with two guide bars of base, the outer wall fixedly connected with sliding sleeve of silk cover one, the sliding sleeve slip cap is established on the outer circle of guide bar.

Preferably, one end of the second screw rod penetrates through one side of the fixed seat and is fixedly connected with the second crank.

Preferably, a guide groove is formed in the inner wall of the bottom of the fixing seat, a guide block is fixedly connected to the outer wall of the second wire sleeve, and the guide block is in sliding connection with the guide groove.

Preferably, the bottom inner wall of the mounting seat is rotationally connected with a gear, the gear is positioned between the two racks and meshed with the racks, the top inner wall of the mounting seat is fixedly connected with a cylinder, and one of the racks is fixedly connected with the output end of the cylinder.

Preferably, two sliding ports are formed in the top of the mounting seat, and the two connecting rods are respectively connected with the two sliding ports in a sliding mode.

The utility model has the beneficial effects that:

through the cooperation of horizontal adjustment mechanism and vertical adjustment mechanism, conveniently remove fixture's position for the work piece of fixing in fixture can remove in the in-process of processing, need not carry out the dismouting again, greatly improved the drilling efficiency of work piece.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of the lateral adjustment mechanism of FIG. 1;

FIG. 3 is a schematic perspective view of the longitudinal adjustment mechanism of FIG. 1;

fig. 4 is a schematic perspective view of the clamping mechanism shown in fig. 1.

Reference numerals: 1. a lateral adjustment mechanism; 11. a base; 12. a first screw rod; 13. a crank I; 14. a first silk sleeve; 15. a sliding sleeve; 16. a guide rod; 2. a longitudinal adjustment mechanism; 21. a fixing seat; 22. a guide groove; 23. a second screw rod; 24. a crank II; 25. a second silk sleeve; 26. a guide block; 3. a clamping mechanism; 31. a mounting base; 32. a gear; 33. a rack; 34. a cylinder; 35. a connecting rod; 36. and (3) clamping plates.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Example 1

As shown in fig. 1-3, the workpiece drilling positioning fixture for machining provided by the utility model comprises a transverse adjusting mechanism 1, wherein the transverse adjusting mechanism 1 comprises a first screw rod 12 rotatably connected with the side wall of a base 11, and a first screw sleeve 14 is sleeved on the outer ring rotation of the first screw rod 12; the longitudinal adjusting mechanism 2 comprises a fixed seat 21, the bottom of the fixed seat 21 is fixedly connected with a first wire sleeve 14, the side wall of the fixed seat 21 is rotationally connected with a second screw rod 23, and a second wire sleeve 25 is rotationally sleeved on the outer ring of the second screw rod 23; one end of a first screw rod 12 penetrates through one side of the base 11 and is fixedly connected with a first crank 13, the side wall of the base 11 is fixedly connected with two guide rods 16, the outer wall of a first screw sleeve 14 is fixedly connected with a sliding sleeve 15, the sliding sleeve 15 is arranged on the outer ring of the guide rods 16 in a sliding sleeved mode, one end of a second screw rod 23 penetrates through one side of a fixed seat 21 and is fixedly connected with a second crank 24, a guide groove 22 is formed in the inner wall of the bottom of the fixed seat 21, a guide block 26 is fixedly connected with the outer wall of the second screw sleeve 25, and the guide block 26 is in sliding connection with the guide groove 22.

In this embodiment, through the sliding fit of the sliding sleeve 15 and the guide rod 16, when the first screw rod 12 rotates, the first screw rod 12 drives the first screw sleeve 14 to move transversely, and when the second screw rod 23 rotates, the second screw rod 23 drives the second screw sleeve 25 to move longitudinally through the sliding fit of the guide block 26 and the guide groove 22.

Example 2

As shown in fig. 1 and fig. 4, compared with embodiment 1, the workpiece drilling positioning fixture for machining provided by the utility model further comprises a clamping mechanism 3, wherein the clamping mechanism 3 comprises a mounting seat 31, the bottom outer wall of the mounting seat 31 is fixedly connected with a second wire sleeve 25, the bottom inner wall of the mounting seat 31 is slidably connected with two racks 33, the top of the racks 33 is welded with a connecting rod 35, the connecting rod 35 penetrates through the top of the mounting seat 31 and is fixedly connected with a clamping plate 36, the bottom inner wall of the mounting seat 31 is rotatably connected with a gear 32, the gear 32 is positioned between and meshed with the two racks 33, the top inner wall of the mounting seat 31 is fixedly connected with a cylinder 34, one of the racks 33 is fixedly connected with the output end of the cylinder 34, two sliding ports are formed in the top of the mounting seat 31, and the two connecting rods 35 are respectively slidably connected with the two sliding ports.

In this embodiment, by the engagement of the gear 32 with the two racks 33, when one rack 33 moves, the other rack 33 is driven to move in opposite directions, so that the two clamping plates 36 are driven to move in directions away from each other or toward each other.

Working principle: when the starting cylinder 34 drives the rack 33 connected with the starting cylinder to move, the gear 32 can drive the other rack 33 to move, the two racks 33 can drive the two clamping plates 36 to move in the direction away from each other or towards each other through the connecting rod 35, when the two clamping plates 36 are opened, a workpiece can be placed in the clamping plates, then the two clamping plates 36 are driven to be combined, the workpiece is fixed, and the workpiece is waited for processing and drilling;

when the fixed workpiece is required to be moved, the crank I13 is rocked to drive the screw rod I12 to rotate, the screw rod I12 can drive the screw sleeve I14 to transversely move through the sliding fit of the sliding sleeve 15 and the guide rod 16, the crank II 24 can also be rocked to drive the screw rod II 23 to rotate, the screw rod II 23 can drive the screw sleeve II 25 to longitudinally move through the sliding fit of the guide block 26 and the guide groove 22 when the screw rod II 23 rotates, and therefore the position of the fixed workpiece can be adjusted.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A workpiece drilling positioning fixture for machining, comprising:

the device comprises a transverse adjusting mechanism (1), wherein the lateral wall of the transverse adjusting mechanism (1) comprises a base (11) and is rotationally connected with a first screw rod (12), and a first screw sleeve (14) is sleeved on the outer ring of the first screw rod (12) in a rotating manner;

the longitudinal adjusting mechanism (2), the longitudinal adjusting mechanism (2) comprises a fixed seat (21), the bottom of the fixed seat (21) is fixedly connected with a first screw sleeve (14), the side wall of the fixed seat (21) is rotationally connected with a second screw rod (23), and the outer ring of the second screw rod (23) is rotationally sleeved with a second screw sleeve (25);

the clamping mechanism (3), the clamping mechanism (3) comprises a mounting seat (31), the bottom outer wall of the mounting seat (31) is fixedly connected with a second wire sleeve (25), two racks (33) are slidably connected to the bottom inner wall of the mounting seat (31), a connecting rod (35) is welded at the top of each rack (33), and the connecting rod (35) penetrates through the top of the mounting seat (31) and is fixedly connected with a clamping plate (36).

2. A workpiece drilling positioning fixture for machining according to claim 1, wherein one end of the first screw rod (12) penetrates through one side of the base (11) and is fixedly connected with the first crank (13).

3. The workpiece drilling positioning fixture for machining according to claim 1, wherein the side wall of the base (11) is fixedly connected with two guide rods (16), the outer wall of the first wire sleeve (14) is fixedly connected with a sliding sleeve (15), and the sliding sleeve (15) is slidably sleeved on the outer ring of the guide rods (16).

4. The workpiece drilling positioning fixture for machining according to claim 1, wherein one end of the second screw rod (23) penetrates through one side of the fixed seat (21) and is fixedly connected with the second crank (24).

5. The workpiece drilling positioning fixture for machining according to claim 1, wherein the guide groove (22) is formed in the inner wall of the bottom of the fixing seat (21), the guide block (26) is fixedly connected to the outer wall of the second wire sleeve (25), and the guide block (26) is slidably connected with the guide groove (22).

6. The workpiece drilling positioning fixture for machining according to claim 1, wherein a gear (32) is rotatably connected to the bottom inner wall of the mounting seat (31), the gear (32) is located between and meshed with two racks (33), a cylinder (34) is fixedly connected to the top inner wall of the mounting seat (31), and one rack (33) is fixedly connected to the output end of the cylinder (34).

7. The workpiece drilling positioning fixture for machining according to claim 1, wherein two sliding ports are formed in the top of the mounting seat (31), and the two connecting rods (35) are respectively connected with the two sliding ports in a sliding mode.