A processing jig for fixing a workpiece

Abstract

The utility model relates to processing auxiliary jig technical field especially, a kind of processing jig for fixed workpiece;Including base, load component, fixed stop block, movable stop block, the load component, fixed stop block, movable stop block are all located in base, fixed stop block and the movable stop block are located in the opposite side of load component;Load component includes body and backing plate, and the backing plate is located in the upper surface of the body;Body is equipped with air nozzle connecting hole, gas passage and several side gas holes, air nozzle connecting hole is communicated with gas passage, each side gas hole is communicated with gas passage, and side gas hole is located in the lateral surface of body;The vacuum adsorption of the vertical plate inside of outside blank is carried out, the fixing of blank is realized, the backing plate is set on the upper surface of body, and the lower surface of blank transverse plate is attached to the backing plate, the lower surface of transverse plate is effectively protected, the effect of reducing the wear of transverse plate lower surface is realized while fixed blank, satisfy production requirement.

Description

Technical Field

[0001] This utility model relates to the field of machining auxiliary fixture technology, and in particular to a machining fixture for fixing workpieces. Background Technology

[0002] like Figure 6 The blank 100 is processed into workpiece 101. The blank 100 includes two vertical plates, one horizontal plate, and several partitions. The horizontal plate is connected to the two vertical plates to form an H-shaped structure. Several parallel partitions are set on the upper surface of the horizontal plate and located between the two vertical plates. According to the usage requirements, several through holes need to be machined in the blank 100 along the Y direction. These through holes pass through the two vertical plates and several partitions. The traditional method for processing the blank 100 of this shape has the following problems: after the blank 100 is fixed, the bottom surface of the horizontal plate is easily scratched, which affects the pass rate of workpiece 101 and cannot meet the production requirements. Improvement is required. Utility Model Content

[0003] In order to overcome the problem of damage to the bottom surface of the workpiece during the processing in the existing technology, the purpose of this utility model is to provide a processing fixture for fixing the workpiece, reducing the wear on the bottom surface of the workpiece during the processing, and improving the stability of the processing quality.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows: A machining fixture for fixing a workpiece includes a base, a material loading assembly, a fixed stop, and a movable stop. The material loading assembly, the fixed stop, and the movable stop are all disposed on the base, and the fixed stop and the movable stop are disposed on opposite sides of the material loading assembly. The material loading assembly includes a body and a pad, with the pad disposed on the upper surface of the body; The main body is provided with an air nozzle connection hole, an air channel and several side air holes. The air nozzle connection hole is connected to the air channel, and each side air hole is connected to the air channel. The side air holes are located on the side surface of the main body.

[0005] Furthermore, the body also includes a top air hole, which communicates with the side air hole and is located below the pad.

[0006] Furthermore, the height of the fixed stop protruding from the base is greater than the height of the material loading component protruding from the base, and the height of the movable stop protruding from the base is greater than the height of the material loading component protruding from the base.

[0007] Furthermore, the fixing block is integrally formed with the body.

[0008] Furthermore, the movable stop block abuts against the main body, and the movable stop block is detachably connected to the base.

[0009] Furthermore, the machining fixture for fixing the workpiece also includes a counterweight, the base is connected to the counterweight, and the base is located between the material loading assembly and the counterweight.

[0010] The beneficial effects of this utility model are as follows: By setting a material-carrying component, a fixed stop, and a movable stop on the base, the material-carrying component includes a body and a pad. The body is provided with a nozzle connection hole, an air channel, and several side air holes, which vacuum adsorb the inner side of the vertical plate of the external blank to fix the blank. A pad is set on the upper surface of the body, and the pad is attached to the lower surface of the horizontal plate of the external blank to effectively protect the lower surface of the horizontal plate. This achieves the effect of fixing the blank while reducing wear on the lower surface of the horizontal plate, thus meeting production requirements. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of this utility model; Figure 3 This is a three-dimensional sectional view of the present invention; Figure 4 for Figure 3 A magnified view of part A in the middle; Figure 5 This is a planar sectional view of the material loading assembly of this utility model; Figure 6 This is a schematic diagram of the blank and workpiece structure.

[0012] The reference numerals in the figures include: 1—Base 2—Carrier assembly 21—Main body 211—Air nozzle connection hole; 212—Air passage; 213—Side air hole 214—Top air hole; 22—Pad plate; 3—Fixing block 4—Moving stop 100—Blank material; 101—Workpiece. Detailed Implementation

[0013] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0014] Please see Figures 1 to 5 The present invention provides a processing fixture for fixing a workpiece, comprising a base 1, a material loading assembly 2, a fixed stop block 3, and a movable stop block 4. The material loading assembly 2, the fixed stop block 3, and the movable stop block 4 are all disposed on the base 1, and the fixed stop block 3 and the movable stop block 4 are disposed on opposite sides of the material loading assembly 2. The material loading assembly 2 includes a body 21 and a pad 22, wherein the pad 22 is disposed on the upper surface of the body 21; The main body 21 is provided with an air nozzle connection hole 211, an air channel 212 and a number of side air holes 213. The air nozzle connection hole 211 is connected to the air channel 212, and each side air hole 213 is connected to the air channel 212. The side air holes 213 are located on the side surface of the main body 21.

[0015] Specifically, in this embodiment, the base 1 is elongated. A material-carrying assembly 2, a fixed stop 3, and a movable stop 4 are installed on the upper surface of the base 1. The fixed stop 3 is fixedly connected to the body 21 of the material-carrying assembly 2, and is also fixedly connected to the base 1. The body 21 is fixedly connected to the base 1. The movable stop 4 is detachably connected to the base 1 via external screws. A pad 22 is provided on the upper surface of the body 21. Preferably, the pad 22 is a soft rubber layer made of plastic material. An air nozzle connection hole 211, an air channel 212, and several side air holes 213 are machined on the body 21. The air nozzle connection hole 211 communicates with the air channel 212. Each side air hole 21... All three are connected to the air channel 212. The working principle is as follows: The blank 100 to be processed is placed on the material carrier 2. The bottom surface of the horizontal plate of the blank 100 is in contact with the pad 22. The lower part of the two vertical plates of the blank 100 is in contact with the side surface of the material carrier 2. The side air hole 213 is close to the vertical plate. The air nozzle connection hole 211 is connected to the external air pump. When the air pump is working, the airflow near the vertical plate of the blank 100 flows to the air pump through the side air hole 213, the air channel 212, and the air nozzle connection hole 211. The vertical plate of the blank 100 is adsorbed on the material carrier 2, thereby fixing the blank 100. After the blank 100 is fixed, it enters the next processing step, and the workpiece 101 is formed.

[0016] By setting a material-carrying component 2, a fixed stop 3, and a movable stop 4 on the base 1, the material-carrying component 2 includes a body 21 and a pad 22. The body 21 is provided with a nozzle connection hole 211, an air channel 212, and several side air holes 213 to perform vacuum adsorption on the inner side of the vertical plate of the external blank 100, thereby fixing the blank 100. The pad 22 is set on the upper surface of the body 21 and is attached to the lower surface of the horizontal plate of the external blank 100, effectively protecting the lower surface of the horizontal plate. This achieves the effect of fixing the blank 100 while reducing wear on the lower surface of the horizontal plate, thus meeting production requirements.

[0017] The main body 21 also includes a top air hole 214, which is connected to the side air hole 213. The top air hole 214 is located below the pad 22. Under the action of an external air pump, the lower surface of the pad 22 is under negative pressure, which realizes the fixed connection between the pad 22 and the main body 21 and makes the pad 22 in a precise state relative to the main body 21, so as to support the external blank 100.

[0018] The fixed stop 3 protrudes from the base 1 at a greater height than the material carrier 2 protrudes from the base 1, and the movable stop 4 protrudes from the base 1 at a greater height than the material carrier 2 protrudes from the base 1. This structure limits the external blank 100 in the X direction. The principle is as follows: After the external blank 100 is placed in the material carrier 2, the movable stop 4 is locked to the base 1, so that the external blank 100 is limited by the fixed stop 3 and the movable stop 4, realizing the pre-assembly of the blank 100.

[0019] The fixed stop 3 is integrally formed with the body 21. After the blank 100 is placed in the material carrier 2, it is pushed along the X direction to the fixed stop 3 and fits against the fixed stop 3. Then, the movable stop 4 is locked to the base 1 to complete the pre-assembly of the blank 100. This structural feature reduces assembly errors and improves the controllability of processing quality.

[0020] The movable stop 4 abuts against the body 21, and the movable stop 4 is detachably connected to the base 1. This structure facilitates the replacement of movable stop 4 of different specifications, meets the purpose of clamping blanks 100 of different specifications, and improves the flexibility of production.

[0021] The machining fixture for fixing the workpiece also includes a counterweight 5. The base 1 is connected to the counterweight 5. The base 1 is located between the material-carrying assembly 2 and the counterweight 5. The counterweight 5 increases the stability of the base 1 during the machining process, that is, it reduces the reaction force generated by the external machining head on the blank 100 during machining.

[0022] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A machining fixture for fixing a workpiece, characterized in that: It includes a base (1), a material loading assembly (2), a fixed stop (3), and a movable stop (4). The material loading assembly (2), the fixed stop (3), and the movable stop (4) are all located on the base (1). The fixed stop (3) and the movable stop (4) are located on opposite sides of the material loading assembly (2). The material carrier assembly (2) includes a body (21) and a pad (22), wherein the pad (22) is disposed on the upper surface of the body (21); The body (21) is provided with an air nozzle connection hole (211), an air passage (212) and a number of side air holes (213). The air nozzle connection hole (211) is connected to the air passage (212), and each side air hole (213) is connected to the air passage (212). The side air holes (213) are located on the side surface of the body (21).

2. The machining fixture for fixing a workpiece according to claim 1, characterized in that: The body (21) also includes a top air hole (214), which is connected to the side air hole (213) and is located below the pad (22).

3. The machining fixture for fixing a workpiece according to claim 1, characterized in that: The fixed stop (3) protrudes from the base (1) at a greater height than the material carrier (2) protrudes from the base (1), and the movable stop (4) protrudes from the base (1) at a greater height than the material carrier (2) protrudes from the base (1).

4. The machining fixture for fixing a workpiece according to claim 1, characterized in that: The fixed stop (3) is integrally formed with the body (21).

5. The machining fixture for fixing a workpiece according to claim 1, characterized in that: The movable stop (4) abuts against the body (21), and the movable stop (4) is detachably connected to the base (1).

6. The machining fixture for fixing a workpiece according to claim 1, characterized in that: The machining fixture for fixing the workpiece also includes a counterweight (5), the base (1) is connected to the counterweight (5), and the base (1) is located between the material loading assembly (2) and the counterweight (5).

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