Workpiece positioning jig for machining

Abstract

The utility model discloses a workpiece positioning jig for machining, which comprises a base, a workbench used for supporting a workpiece is arranged in the base, a fixing assembly used for fixing the workpiece is arranged in the base, the fixing assembly comprises a second threaded rod, and supporting plates are symmetrically arranged on the outer wall of the second threaded rod and located on the side edge of the workbench. A supporting plate is arranged on the base, a fixing frame is arranged at the top of the supporting plate, a first clamping plate is arranged at the bottom of the inner wall of the fixing frame, sliding plates are symmetrically arranged in the fixing frame, and second clamping plates are arranged on the side edges of the sliding plates. And a supporting plate is connected to the outer wall of the second threaded rod in a threaded penetrating mode, a fixing frame is arranged at the top of the supporting plate, a first clamping plate and a second clamping plate are arranged at the top and the bottom of the inner wall of the fixing frame correspondingly, and by adjusting the height of the second clamping plate, machined parts with different widths can be clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a workpiece positioning jig for machining. Background Art

[0002] A fixture is a tool or device used to assist in the manufacture or testing of a product. It can provide stable support, positioning, clamping or measuring functions to ensure the accuracy and consistency of the product during the manufacturing process. During the manufacturing process, the fixture can help locate the product and keep it in the correct position for welding. The fixture can also provide a stable clamping force to prevent the product from moving or deforming during processing.

[0003] When the jig is clamping the workpiece, an octopus plate jig is used to fix the workpiece. The size of the octopus plate is usually fixed and cannot be adjusted according to the size of the workpiece. This may result in the need to replace octopus plate jigs of different sizes when processing workpieces of different widths. Therefore, it is necessary to design a workpiece positioning jig for machining to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a workpiece positioning fixture for machining to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece positioning fixture for machining, comprising a base, a workbench for supporting the workpiece is arranged inside the base, a fixing component for fixing the workpiece is arranged inside the base, the fixing component comprises a second threaded rod, a support plate is symmetrically arranged on the outer wall of the second threaded rod and located on the side of the workbench, a fixing frame is arranged on the top of the support plate, a first clamping plate is arranged on the bottom of the inner wall of the fixing frame, sliding plates are symmetrically arranged inside the fixing frame, and second clamping plates are arranged on the side of the sliding plate.

[0006] Preferably, a thread groove is provided on the top of the fixing frame, and the internal threads of the thread groove are interlaced with a first threaded rod, and a rotation groove is provided on the top of the second clamping plate, and the inside of the rotation groove is rotatably interlaced with the bottom of the first threaded rod.

[0007] Preferably, a sliding block is fixedly connected to the bottom of the support plate, and sliding grooves are symmetrically provided at the bottom of the inner wall of the base and on the side of the workbench.

[0008] Preferably, the interior of the slide groove and the outer wall of the slide block are slidably interlaced and connected.

[0009] Preferably, the outer wall of the second threaded rod is rotatably interlaced with the middle part of the workbench, a mounting block is provided on one side of the inner wall of the base, the outer wall of the mounting block is rotatably interlaced with one end of the second threaded rod, and the other end of the second threaded rod is interlaced with the other side of the inner wall of the base.

[0010] Preferably, an L-shaped fixing plate is provided on the outer wall of the base and at the other end of the second threaded rod.

[0011] Preferably, bolts are inserted and connected to the sides of the L-shaped fixing plate, and nuts for tightening the L-shaped fixing plate are sleeved on the ends of the bolts.

[0012] Preferably, a metal piece is provided on the opposite side of the inner wall of the first clamping plate and the second clamping plate and located on the top of the workbench.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model utilizes the mechanism design of a fixing component, a workbench is arranged inside the base, a second threaded rod is arranged at the connection between the base and the workbench, the outer wall thread of the second threaded rod is interlaced and connected with a support plate, the second threaded rod is rotated clockwise, the support plate moves in the same direction, and the second threaded rod is rotated counterclockwise, the support plate moves in the opposite direction. This design is for clamping workpieces of different lengths, a fixing frame is arranged on the top of the support plate, the first clamping plate and the second clamping plate are respectively arranged on the top and bottom of the inner wall of the fixing frame, and sliding plates are symmetrically arranged on the side edges of the inner wall of the fixing frame, the side edges of the sliding plate are slidably connected to the side edges of the second clamping plate, and by adjusting the height of the second clamping plate, workpieces of different widths can be clamped. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the structure of the fixing component of the utility model.

[0017] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0018] In the figure: 1. base; 101. slide groove; 102. slider; 103. mounting block; 2. support plate; 3. fixing frame; 301. first threaded rod; 302. first clamping plate; 303. second clamping plate; 304. sliding plate; 4. metal parts; 5. second threaded rod; 6. L-shaped fixing plate; 601. bolt; 602. nut; 7. workbench. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-3 A workpiece positioning fixture for machining shown in the figure includes a base 1, a workbench 7 for supporting a workpiece is arranged inside the base 1, a fixing component for fixing the workpiece is arranged inside the base 1, the fixing component includes a second threaded rod 5, a support plate 2 is symmetrically arranged on the outer wall of the second threaded rod 5 and located on the side of the workbench 7, a fixing frame 3 is arranged on the top of the support plate 2, a first clamping plate 302 is arranged on the bottom of the inner wall of the fixing frame 3, a sliding plate 304 is symmetrically arranged inside the fixing frame 3, and a second clamping plate 303 is arranged on the side of the sliding plate 304.

[0021] It should be noted that the second clamping plate 303 can move up and down on the sliding plate 304. Such a design can fix and clamp the end of the metal member 4 and adapt to metal members 4 of different widths.

[0022] Specifically, a thread groove is formed on the top of the fixing frame 3 , and the first threaded rod 301 is inserted and connected to the inner thread of the thread groove. A rotation groove is formed on the top of the second clamping plate 303 , and the inner part of the rotation groove is rotationally inserted and connected to the bottom of the first threaded rod 301 .

[0023] It should be noted that a forward thread is arranged inside the thread groove, and a reverse thread is arranged on the outer wall of the first threaded rod 301. This design is to facilitate the second clamping plate 303 to move up and down when the first threaded rod 301 is rotated. The end of the first threaded rod 301 is designed in an arc shape, which facilitates the rotation of the first threaded rod 301 inside the rotation groove.

[0024] Furthermore, a slider 102 is fixedly connected to the bottom of the support plate 2 , and a slide groove 101 is symmetrically provided at the bottom of the inner wall of the base 1 and on the side of the workbench 7 .

[0025] It should be noted that the outer wall of the second threaded rod 5 and the middle thread of the support plate 2 are interlaced and connected, and the outer wall of the second threaded rod 5 is provided with positive and negative threads. When the second threaded rod 5 is rotated clockwise, the support plate 2 moves in the same direction, and when the second threaded rod 5 is rotated counterclockwise, the support plate 2 moves in the opposite direction. A slider 102 is provided at the bottom of the support plate 2. The outer wall of the slider 102 and the internal slide groove 101 of the base 1 are slidably interlaced and connected. This design is to fix the support plate 2. During the rotation of the second threaded rod 5, the support plate 2 will not rotate together, and at the same time, the movement of the support plate 2 can be ensured.

[0026] Furthermore, the interior of the slide groove 101 and the outer wall of the slider 102 are slidably interlaced and connected.

[0027] Specifically, the outer wall of the second threaded rod 5 and the middle part of the workbench 7 are rotatably connected, a mounting block 103 is provided on one side of the inner wall of the base 1, the outer wall of the mounting block 103 and one end of the second threaded rod 5 are rotatably connected, and the other end of the second threaded rod 5 is connected to the other side of the inner wall of the base 1.

[0028] Furthermore, an L-shaped fixing plate 6 is provided on the outer wall of the base 1 and at the other end of the second threaded rod 5 .

[0029] Furthermore, a bolt 601 is inserted and connected to the side of the L-shaped fixing plate 6 , and a nut 602 for tightening the L-shaped fixing plate 6 is sleeved on the end of the bolt 601 .

[0030] It should be noted that the L-shaped fixing plate 6 is designed with rubber material, and a fixing groove is provided at the connection between the L-shaped fixing plate 6 and the second threaded rod 5. By rotating the nut 602 sleeved on the end of the bolt 601 and contracting the fixing groove, the rotation position of the second threaded rod 5 can be fixed.

[0031] Furthermore, a metal part 4 is provided on one side of the inner wall of the first clamping plate 302 and the second clamping plate 303 and located on the top of the workbench 7 .

[0032] During actual use, one end of the metal part 4 to be welded is placed on the workbench 7, and the other end is placed on the first clamping plate 302, and the first threaded rod 301 is rotated. Since the second clamping plate 303 and the first clamping plate 302 are respectively provided at the top and bottom of the inner wall of the fixed frame 3, the sliding plates 304 are symmetrically provided on the side of the inner wall of the fixed frame 3, and the side of the sliding plate 304 and the side of the second clamping plate 303 are slidably connected, and a threaded groove is provided on the top of the fixed frame 3, and the first threaded rod 301 is provided at the connection between the second clamping plate 303 and the fixed frame 3. The first threaded rod 301 is rotated clockwise, and the second clamping plate 303 moves downward to fix and clamp the metal part 4, and the other metal part 4 is still fixed in the same way.

[0033] After the two metal parts 4 are fixed, the second threaded rod 5 is rotated. Since the second threaded rod 5 is a double-threaded rod, the second threaded rod 5 is rotated clockwise so that the two metal parts 4 move in the same direction for alignment. An L-shaped fixing plate 6 is provided at the connection between the outer wall of the base 1 and the second threaded rod 5. A fixing groove is provided at the connection between the L-shaped fixing plate 6 and the second threaded rod 5. The nut 602 sleeved on the end of the bolt 601 is rotated to tighten the fixing groove. The alignment and fixation of the two metal parts 4 are completed and the two metal parts 4 can be welded.

[0034] After the two metal parts 4 are welded, the first threaded rod 301 is rotated counterclockwise, the second clamping plate 303 moves upward, and the clamping state of the first clamping plate 302 and the second clamping plate 303 is released. The fixing frame 3 adopts a hollow design, and the welded metal part 4 can be pulled out from one of the fixing frames 3.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece positioning fixture for machining, comprising a base (1), wherein a workbench (7) for supporting a workpiece is arranged inside the base (1), characterized in that: A fixing component for fixing a workpiece is arranged inside the base (1), and the fixing component comprises a second threaded rod (5), a support plate (2) is symmetrically arranged on the outer wall of the second threaded rod (5) and located on the side of the workbench (7), a fixing frame (3) is arranged on the top of the support plate (2), a first clamping plate (302) is arranged at the bottom of the inner wall of the fixing frame (3), a sliding plate (304) is symmetrically arranged inside the fixing frame (3), and a second clamping plate (303) is arranged on the side of the sliding plate (304).

2. A workpiece positioning fixture for machining according to claim 1, characterized in that: A thread groove is provided on the top of the fixing frame (3), and a first threaded rod (301) is inserted and connected to the inner thread of the thread groove; a rotation groove is provided on the top of the second clamping plate (303), and the inner part of the rotation groove is rotationally inserted and connected to the bottom of the first threaded rod (301).

3. A workpiece positioning fixture for machining according to claim 1, characterized in that: The bottom of the support plate (2) is fixedly connected with a sliding block (102), and the bottom of the inner wall of the base (1) and the side edge of the workbench (7) are symmetrically provided with sliding grooves (101).

4. A workpiece positioning fixture for machining according to claim 3, characterized in that: The interior of the slide groove (101) and the outer wall of the slide block (102) are slidably interlaced and connected.

5. The workpiece positioning fixture for machining according to claim 1, characterized in that: The outer wall of the second threaded rod (5) is rotatably connected to the middle part of the workbench (7); a mounting block (103) is provided on one side of the inner wall of the base (1); the outer wall of the mounting block (103) is rotatably connected to one end of the second threaded rod (5); and the other end of the second threaded rod (5) is connected to the other side of the inner wall of the base (1).

6. A workpiece positioning fixture for machining according to claim 5, characterized in that: An L-shaped fixing plate (6) is arranged on the outer wall of the base (1) and at the other end of the second threaded rod (5).

7. A workpiece positioning fixture for machining according to claim 6, characterized in that: Bolts (601) are inserted and connected to the side of the L-shaped fixing plate (6), and nuts (602) for tightening the L-shaped fixing plate (6) are sleeved on the ends of the bolts (601).

8. The workpiece positioning fixture for machining according to claim 1, characterized in that: A metal part (4) is provided on the opposite side of the inner wall of the first clamping plate (302) and the second clamping plate (303) and located on the top of the workbench (7).

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