Reliable jig for hardware product machining

Abstract

The utility model discloses a reliable hardware product machining jig which comprises a base and a cylindrical table, the cylindrical table is installed on the base, the upper surface of the cylindrical table is used for placing a workpiece, a positioning assembly is arranged on the cylindrical table and used for limiting the position of the workpiece, a driving air cylinder is arranged on the base, and the driving air cylinder is connected with the cylindrical table. A piston shaft of the driving air cylinder is rotationally connected with a lever, the other end of the lever is a pressing end, a swing rod is rotationally arranged in the middle of the lever, a connecting block is arranged on the air cylinder, the other end of the swing rod is rotationally connected with the connecting block, and the side face of the connecting block abuts against the side face of the cylindrical table; piston shafts of the four driving air cylinders stretch out at the same time, so that the pressing ends of the four levers apply downward pressing force to a workpiece at the same time, the stability of the workpiece on the cylindrical table is greatly improved, and the reliability of the jig is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of product clamping, in particular to a reliable fixture for processing hardware products. Background Art

[0002] Hardware products are important auxiliary and accessory products used in daily life and industrial production, encompassing a wide range of sectors, including tool hardware, construction hardware, and household hardware. With China's rapid economic development and the continuous advancement of high-tech in the aluminum processing industry, the hardware industry enjoys an ample supply of raw materials, providing a solid foundation for its development.

[0003] During the processing of hardware parts, clamps are needed to ensure their safe fixation. For example, the patent document "CN218836866U" discloses a "quickly lockable hardware fixture". Its technical solution is to use two L-shaped clamps 7. Under the rotation of the two rotating shafts 6, one side of the two L-shaped clamps 7 applies pressure to the top surface of the hardware product, and the inserts 16 are respectively inserted into the corresponding sockets 14 to fix the workpiece.

[0004] In this patent, when an L-shaped clamp is used to clamp a circular hardware product, it is difficult to achieve stability of the hardware product. Utility Model Content

[0005] The purpose of the present utility model is to provide a reliable fixture for processing hardware products to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A reliable fixture for processing hardware products includes a base and a cylindrical table, the cylindrical table is installed on the base, the upper surface of the cylindrical table is used to place a workpiece, a positioning assembly is provided on the cylindrical table, and the positioning assembly is used to limit the position of the workpiece, a driving cylinder is provided on the base, the piston shaft of the driving cylinder is rotatably connected to a lever, the other end of the lever is a holding end, and a rocker rod is rotatably provided in the middle of the lever, a connecting block is provided on the cylinder, the other end of the rocker rod is rotatably connected to the connecting block, and the side surface of the connecting block abuts against the side surface of the cylindrical table.

[0008] A further technical solution is that the number of the driving cylinders is 4, and the 4 driving cylinders are located in a ring on one side of the cylindrical table, the number of the levers is 4, one end of the 4 levers is rotatably connected to the piston shafts of the 4 driving cylinders respectively, and the other end of the 4 levers is used to limit the position of the workpiece.

[0009] A further technical solution is to provide four levers, one of which is lever one, lever three and lever four, and a slot one is provided at one end of the lever one facing the cylindrical table, the slot opening area of ​​the slot one is the same as the slot bottom area, and the side slot walls of the slot one are of equal length.

[0010] A further technical solution is to provide four levers, one of which is lever two, and a second slot is provided on one end of the lever two facing the cylindrical table, the slot opening area of ​​the second slot is smaller than the slot bottom area, and one of the side slot walls of the second slot is provided with a second protrusion facing the other side slot wall.

[0011] A further technical solution is to provide four levers, one of which is lever three, and lever three is provided with a slot three toward one end of the cylindrical table, the slot opening area of ​​the slot three is smaller than the slot bottom area, and one of the side groove walls of the slot three is provided with a protrusion three toward the other side groove wall.

[0012] A further technical solution is to provide lever four as one of the four levers, and to provide a slot four on one end of the lever four facing the cylindrical table, wherein the slot opening area of ​​the slot four is the same as the slot bottom area, and the length of the slot wall one of the slot four is greater than the length of the slot wall two.

[0013] According to a further technical solution, the positioning assembly includes a positioning protrusion, and the positioning protrusion is an elastic positioning protrusion.

[0014] Beneficial effects of the utility model:

[0015] When the utility model is used by an operator, in the first step, the operator can place the workpiece on the upper surface of the cylindrical table, and through the engagement of the positioning protrusion and the positioning hole, the workpiece can be initially and stably placed on the upper surface of the cylindrical table; in the second step, the piston shaft of the driving cylinder is operated to extend, so that the lever moves up close to one end of the driving cylinder. Since the middle part of the lever is connected to the connecting block on the driving cylinder through the rotation of the rocker rod, the other end of the lever moves down, and then the pressing end of the lever fixes the workpiece, so that the workpiece is stably placed on the workbench, thereby processing the workpiece, and the piston shafts of the four driving cylinders are extended at the same time, so that the pressing ends of the four levers exert a downward force on the workpiece at the same time, which greatly improves the stability of the workpiece on the cylindrical table, improves the stability of the workpiece on the cylindrical table, and thus improves the reliability of the fixture.

[0016] Other features and advantages of the present invention will be described in detail in the subsequent detailed description of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 : A three-dimensional structural diagram of the present utility model.

[0018] Figure 2 : The utility model Figure 1 Magnified view of part A.

[0019] Figure 3 : A top view of the present invention.

[0020] Figure 4 : A front view of the utility model.

[0021] Figure numerals: 1, workpiece body; 2, positioning hole; 3, protrusion 1; 4, protrusion 2; 41, cube portion of protrusion 2; 42, elliptical portion of protrusion 2; 5, protrusion 3; 6, protrusion 4; 7, arc-shaped protrusion; 8, base; 9, cylindrical table; 10, positioning protrusion; 11, driving cylinder; 12, lever; 13, rocker arm; 14, connecting block; 15, slot 1; 16, slot 2; 17, protrusion 2; 18, triangular prism protrusion; 19, slot 3; 20, protrusion 3; 21, slot 4; 22, slot wall 1; 23, slot wall 2 DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] Please refer to Figure 1-4 ;

[0024] The workpiece targeted by this fixture includes a workpiece body 1, which is a circular workpiece body 1. A positioning hole 2 is provided on the workpiece body 1. Four bumps are provided on the workpiece body 1, and the four bumps are set as bump one 3, bump two 4, bump three 5 and bump four 6. It is worth noting that the bump two 4 of the workpiece body 1 includes a bump two cube portion 41 and a bump two elliptical portion 42, the bump three 5 includes a bump three 5 cube portion and a bump three 5 elliptical portion, and the bump four 6 is provided with an arc-shaped bump 7.

[0025] The utility model discloses a reliable hardware processing fixture, including a base 8 and a cylindrical platform 9, the cylindrical platform 9 is mounted on the base 8, in this embodiment, the number of cylindrical platforms 9 is not limited, the upper surface of the cylindrical platform 9 is used to place the workpiece body 1, the cylindrical platform 9 is provided with a positioning assembly, the positioning assembly includes a positioning protrusion 10, the positioning protrusion 10 is an elastic positioning protrusion 10, the positioning protrusion 10 is engaged with the positioning hole 2 of the workpiece body 1, so that the workpiece body 1 can be placed on the upper surface of the cylindrical platform 9, the base 8 is provided with 4 driving cylinders 11, the 4 driving cylinders 11 are arranged around The shape is located on one side of the cylindrical table 9. The piston shafts of the four driving cylinders 11 are rotatably connected to four levers 12 respectively. The other end of the lever 12 is a holding end. The holding end of the lever 12 is used to apply pressure to the workpiece body 1 so that the workpiece body 1 is placed on the cylindrical table 9. A rocker rod 13 is rotatably provided in the middle of the lever 12. There are two rocker rods 13, and the two rocker rods 13 are relatively arranged on both sides of the lever 12. A connecting block 14 is provided on the driving cylinder 11. The other end of the rocker rod 13 is rotatably connected to the connecting block 14, and the side of the connecting block 14 abuts against the side of the cylindrical table 9.

[0026] Specifically, when the operator uses it, in the first step, the operator can place the workpiece body 1 on the upper surface of the cylindrical table 9, and through the engagement of the positioning protrusion 10 with the positioning hole 2, the workpiece body 1 can be initially and stably placed on the upper surface of the cylindrical table 9; in the second step, the piston shaft of the driving cylinder 11 is operated to extend, so that the lever 12 moves up close to one end of the driving cylinder 11. Since the middle part of the lever 12 is connected to the connecting block 14 on the driving cylinder 11 by the rocker arm 13, the other end of the lever 12 moves down, and then the pressing end of the lever 12 fixes the workpiece body 1, so that the workpiece body 1 is stably placed on the workbench, thereby processing the workpiece body 1. By extending the piston shafts of the four driving cylinders 11 at the same time, the pressing ends of the four levers 12 simultaneously apply a downward force to the workpiece body 1, which greatly improves the stability of the workpiece body 1 on the cylindrical table 9 and the stability of the workpiece body 1 on the cylindrical table 9, that is, improves the reliability of the fixture.

[0027] In some embodiments, there are four levers 12, one of which is lever 12, and a slot 15 is provided on one end of the lever 1 facing the cylindrical table. The slot area of ​​the slot 15 is the same as the slot bottom area, and the side groove walls of the slot 15 are of the same length. The slot 15 is engaged with the protrusion 13; there are four levers 12, one of which is lever 12, and a slot 2 is provided on one end of the lever 12 facing the cylindrical table. The slot area of ​​the slot 2 16 is smaller than the slot bottom area. A protrusion 2 is provided on the side groove wall 1 22 of the slot 2 16 in the direction toward the side groove wall 23. The protrusion 2 17 is in the shape of a cube. A triangular protrusion 18 is provided on the side groove wall 23 of the slot 2 16 in the direction toward the side groove wall 1 22. The hypotenuse of the prismatic protrusion 18 faces the protrusion 2 4 of the workpiece body 1, and the clamping groove 2 16 is clamped with the protrusion 2 4; there are 4 levers 12, one of which is lever 3, and the lever 3 is provided with a clamping groove 3 19 facing one end of the cylindrical table, and the groove area of ​​the clamping groove 3 19 is smaller than the groove bottom area, and one of the side groove walls of the clamping groove 3 19 is provided with a protrusion 3 20 facing the other side groove wall, and the clamping groove 3 19 is clamped with the protrusion 3 5; there are 4 levers 12, one of which is lever 12, and the lever 4 is provided with a clamping groove 4 21 facing one end of the cylindrical table, and the groove area of ​​the clamping groove 4 21 is the same as the groove bottom area, the length of the groove wall 1 22 of the clamping groove 4 21 is greater than the length of the groove wall 23, and the clamping groove 4 21 is clamped with the protrusion 4 6.

[0028] Specifically, when the piston shaft of the driving cylinder 11 is extended and the lever 12 is pressed down toward one end of the cylindrical platform, the clamping groove 15 is clamped with the protrusion 1 3, so that the workpiece body 1 can be stably placed on the cylindrical platform 9 for processing, and the clamping groove 2 16 is plugged into the protrusion 2 4. The notch area of ​​the clamping groove 2 16 is smaller than the area of ​​the protrusion 2 4. When the clamping groove 2 16 is plugged into the protrusion 2 4, the inclined surface of the triangular prism protrusion abuts against the side surface of the protrusion 2 elliptical portion 42 of the protrusion 2 4, and the protrusion 2 17 The side of the card slot 19 abuts against the side of the cube portion 41 of the protrusion 2 4, so that the card slot 2 16 is in close contact with the protrusion 2 4, thereby placing the workpiece body 1 on the cylindrical table 9; it is worth noting that the card slot 3 19 has the same structure as the card slot 2 16, and the protrusion 3 5 has the same structure as the protrusion 2 4, and the card slot 3 19 is plugged into the protrusion 3 5; the card slot 4 21 is engaged with the protrusion 4 6, and the end face of the groove wall 2 23 in the card slot 4 21 is in low contact with the side of the arc-shaped protrusion 7.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0030] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims

1. A reliable fixture for processing hardware products, characterized in that: The utility model comprises a base (8) and a cylindrical table (9), wherein the cylindrical table (9) is installed on the base (8), the upper surface of the cylindrical table (9) is used for placing a workpiece, a positioning assembly is provided on the cylindrical table (9), and the positioning assembly is used for limiting the position of the workpiece, a driving cylinder (11) is provided on the base (8), the piston shaft of the driving cylinder (11) is rotatably connected to a lever (12), the other end of the lever (12) is a holding end, a rocker rod (13) is rotatably provided in the middle of the lever (12), a connecting block (14) is provided on the cylinder, the other end of the rocker rod (13) is rotatably connected to the connecting block (14), and the side surface of the connecting block (14) abuts against the side surface of the cylindrical table (9).

2. A reliable hardware processing jig according to claim 1, characterized in that: The number of the driving cylinders (11) is four, and the four driving cylinders (11) are located in a ring shape on one side of the cylindrical platform (9). The number of the levers (12) is four, and one end of the four levers (12) is respectively rotatably connected to the piston shafts of the four driving cylinders (11), and the other ends of the four levers (12) are used to limit the position of the workpiece.

3. A reliable hardware processing jig according to claim 2, characterized in that: Assume that one of the four levers (12) is lever 1, and a slot 1 (15) is provided at one end of the lever 1 facing the cylindrical platform. The slot opening area of ​​the slot 1 (15) is the same as the slot bottom area, and the side slot walls of the slot 1 (15) are of equal length.

4. A reliable hardware processing jig according to claim 2, characterized in that: Assume that one of the four levers (12) is lever 2, and the lever 2 is provided with a second slot (16) at one end facing the cylindrical platform, the slot opening area of ​​the second slot (16) is smaller than the slot bottom area, and one side slot wall of the second slot (16) is provided with a second protrusion (17) facing the other side slot wall.

5. A reliable hardware processing jig according to claim 2, characterized in that: Assume that one of the four levers (12) is lever three, and the lever three is provided with a slot three (19) at one end facing the cylindrical platform, the slot opening area of ​​the slot three (19) is smaller than the slot bottom area, and one side slot wall of the slot three (19) is provided with a protrusion three (20) facing the other side slot wall.

6. A reliable hardware processing jig according to claim 2, characterized in that: Assume that one of the four levers (12) is lever four, and the lever four is provided with a slot four (21) at one end facing the cylindrical platform, the slot opening area of ​​the slot four (21) is the same as the slot bottom area, and the length of the slot wall one (22) of the slot four (21) is greater than the length of the slot wall two (23).

7. A reliable hardware processing jig according to claim 1, characterized in that: The positioning assembly comprises a positioning protrusion (10), and the positioning protrusion (10) is an elastic positioning protrusion (10).

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