Two-way piston drilling tool

Abstract

This utility model provides a bidirectional piston drilling fixture, belonging to the field of machining technology. Its structure includes: a right pad block and a left pad block fixedly connected to the lower end of a V-block; the right and left pad blocks are fixedly connected to a base plate; a right L-shaped positioning block and a left L-shaped positioning block are fixedly connected to both sides of the base plate; a V-groove is provided on the V-block; a quick clamp is fixedly connected to the base plate, located at one end of the V-groove; a pressure plate connecting rod is fixedly connected to the V-block; the pressure plate is inserted into the pressure plate connecting rod and pressed above the V-groove; a positioning plate is fixedly connected to the other end of the V-groove; a positioning bolt passes through the positioning plate and is threaded to a nut. This utility model uses a four-axis chuck combined with a pneumatic clamping device, which can achieve pneumatic clamping, uniform force distribution, high machining dimensional accuracy, reduced labor intensity, and increased production efficiency by up to 100%; moreover, the product dimensions are stable.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, specifically a bidirectional piston drilling tool. Background Technology

[0002] The holes on the piston surface are located on both sides of the piston. Currently, the drilling of fixed displacement bidirectional pistons in automotive air conditioning compressors involves placing the piston on a positioning fixture, which can only machine one side of the hole. This requires repeated clamping, resulting in low production efficiency and high labor intensity. Summary of the Invention

[0003] This utility model aims to address the technical deficiencies of existing technologies by providing a bidirectional piston drilling fixture to solve the technical problem that conventional positioning fixtures can only process holes on one side.

[0004] To achieve the above technical objectives, the present invention adopts the following technical solution: A bidirectional piston drilling fixture includes a V-block, a right pad block, a right L-shaped positioning block, a base plate, a quick clamp, a left L-shaped positioning block, a left pad block, a pressure plate, a pressure plate connecting rod, a positioning plate, and positioning bolts. The right and left pad blocks are fixedly connected to the lower end of the V-block and are fixedly connected to the base plate. A right L-shaped positioning block and a left L-shaped positioning block are fixedly connected to both sides of the base plate. A V-groove is provided on the V-block. A quick clamp is fixedly connected to the base plate, located at one end of the V-groove. A pressure plate connecting rod is fixedly connected to the V-block, and the pressure plate is inserted into the pressure plate connecting rod and pressed above the V-groove. A positioning plate is fixedly connected to the other end of the V-groove, and a positioning bolt passes through the positioning plate and is threaded to a nut.

[0005] Preferably, the head of the positioning bolt is located on the outside of the positioning plate, and the bolt thread passes through the positioning plate and the nut and extends into the V-groove.

[0006] Preferably, the right L-shaped positioning block and the left L-shaped positioning block each include a horizontal plane and a vertical plane, with the base plate fixedly connected to the horizontal plane and the vertical plane attached to the side end of the base plate.

[0007] Preferably, the fixed connection between the V-block and the right pad block and the left pad block, as well as the fixed connection between the base plate and the right L-shaped positioning block and the left L-shaped positioning block, are all fastened with bolts.

[0008] Preferably, a workpiece is placed in the V-groove, a pressure plate is pressed on the upper end of the workpiece, and the screw of the positioning bolt is pressed against the front end of the workpiece.

[0009] In the above technical solution, the V-block is used to set the V-groove, thereby bearing the workpiece; the right and left pad blocks are used to support the V-block; the base plate is used to support the right and left pad blocks; the right and left L-shaped positioning blocks are used to support the base plate on one hand, and to provide some blocking and protection from the side on the other hand; the quick clamp is used for clamping; the pressure plate is used to press and fix the workpiece from above; the pressure plate connecting rod is used to support the pressure plate; the positioning plate is used to set the positioning bolts; the positioning bolts are used to tighten and position the workpiece from the front end.

[0010] This invention provides a bidirectional piston drilling fixture. The technical solution uses a four-axis chuck combined with a pneumatic clamping device, which enables pneumatic clamping, uniform force distribution, high dimensional accuracy, reduced labor intensity, and increased production efficiency by up to 100%; moreover, the product dimensions are stable. Attached Figure Description

[0011] Figure 1 This is a structural diagram of the present invention; In the picture: 1. V-block; 2. Right pad block; 3. Right L-shaped positioning block; 4. Base plate; 5. Quick clamp; 6. Left L-shaped positioning block; 7. Left pad block; 8. Pressure plate; 9. Pressure plate connecting rod; 10. Positioning plate; 11. Positioning bolt. Detailed Implementation

[0012] The specific embodiments of this utility model will be described in detail below. To avoid excessive and unnecessary details, well-known structures or functions will not be described in detail in the following embodiments. The approximate language used in the following embodiments can be used for quantitative descriptions, indicating that a certain degree of variation in quantity is permissible without changing the basic function. Unless otherwise defined, the technical and scientific terms used in the following embodiments have the same meaning as commonly understood by those skilled in the art to which this utility model pertains.

[0013] Example 1 Two-way piston drilling fixture, such as Figure 1As shown, the device includes a V-shaped block 1, a right pad block 2, a right L-shaped positioning block 3, a base plate 4, a quick clamp 5, a left L-shaped positioning block 6, a left pad block 7, a pressure plate 8, a pressure plate connecting rod 9, a positioning plate 10, and a positioning bolt 11. The right pad block 2 and the left pad block 7 are fixedly connected to the lower end of the V-shaped block 1 and are fixedly connected to the base plate 4. The right L-shaped positioning block 3 and the left L-shaped positioning block 6 are fixedly connected to both sides of the base plate 4, respectively. A V-shaped groove is provided on the V-shaped block 1. A quick clamp 5 is fixedly connected to the base plate 4, located at one end of the V-shaped groove. A pressure plate connecting rod 9 is fixedly connected to the V-shaped block 1. The pressure plate 8 is inserted into the pressure plate connecting rod 9 and pressed above the V-shaped groove. A positioning plate 10 is fixedly connected to the other end of the V-shaped groove. The positioning bolt 11 passes through the positioning plate 10 and is threaded with a nut.

[0014] In the above technical solution, V-block 1 is used to set V-grooves, thereby bearing the workpiece; right pad 2 and left pad 7 are used to support V-block 1; base plate 4 is used to support right pad 2 and left pad 7; right L-shaped positioning block 3 and left L-shaped positioning block 6 are used to support base plate 4 on the one hand, and to provide a certain blocking and protection from the side on the other hand; quick clamp 5 is used for clamping; pressure plate 8 is used to press and fix the workpiece from above; pressure plate connecting rod 9 is used to support pressure plate 8; positioning plate 10 is used to set positioning bolt 11; positioning bolt 11 is used to tighten and position the workpiece from the front end.

[0015] Example 2 Two-way piston drilling fixture, such as Figure 1As shown, the device includes a V-shaped block 1, a right pad block 2, a right L-shaped positioning block 3, a base plate 4, a quick clamp 5, a left L-shaped positioning block 6, a left pad block 7, a pressure plate 8, a pressure plate connecting rod 9, a positioning plate 10, and a positioning bolt 11. The right pad block 2 and the left pad block 7 are fixedly connected to the lower end of the V-shaped block 1 and are fixedly connected to the base plate 4. The right L-shaped positioning block 3 and the left L-shaped positioning block 6 are fixedly connected to both sides of the base plate 4, respectively. A V-shaped groove is provided on the V-shaped block 1. A quick clamp 5 is fixedly connected to the base plate 4, located at one end of the V-shaped groove. A pressure plate connecting rod 9 is fixedly connected to the V-shaped block 1. The pressure plate 8 is inserted into the pressure plate connecting rod 9 and pressed above the V-shaped groove. A positioning plate 10 is fixedly connected to the other end of the V-shaped groove. The positioning bolt 11 passes through the positioning plate 10 and is threaded with a nut. The head of the positioning bolt 11 is located outside the positioning plate 10, and the screw of the positioning bolt 11 passes through the positioning plate 10 and the nut and extends into the V-groove. The right L-shaped positioning block 3 and the left L-shaped positioning block 6 each include a horizontal plane and a vertical plane. The base plate 4 is fixedly connected to the horizontal plane, and the vertical plane is attached to the side end of the base plate 4. The fixed connections between the V-shaped block 1 and the right pad 2 and the left pad 7, as well as the fixed connections between the base plate 4 and the right L-shaped positioning block 3 and the left L-shaped positioning block 6, are all secured with bolts. A workpiece is placed in the V-groove, the pressure plate 8 presses against the upper end of the workpiece, and the screw of the positioning bolt 11 presses against the front end of the workpiece.

[0016] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made within the scope of this utility model application should be included within the protection scope of this utility model.

Claims

1. A bidirectional piston drilling tool, characterized in that The system includes a V-block (1), a right pad block (2), a right L-shaped positioning block (3), a base plate (4), a quick clamp (5), a left L-shaped positioning block (6), a left pad block (7), a pressure plate (8), a pressure plate connecting rod (9), a positioning plate (10), and positioning bolts (11). The right pad block (2) and the left pad block (7) are fixedly connected to the lower end of the V-block (1). The right pad block (2) and the left pad block (7) are fixedly connected to the base plate (4). Right L-shaped positioning blocks are fixedly connected to both sides of the base plate (4). The positioning block (3) and the left L-shaped positioning block (6) are provided with a V-shaped groove on the V-shaped block (1). A quick clamp (5) is fixedly connected to the base plate (4). The quick clamp (5) is located at one end of the V-shaped groove. A pressure plate connecting rod (9) is fixedly connected to the V-shaped block (1). The pressure plate (8) is inserted into the pressure plate connecting rod (9) and pressed above the V-shaped groove. A positioning plate (10) is fixedly connected to the other end of the V-shaped groove. A positioning bolt (11) passes through the positioning plate (10) and is threaded with a nut.

2. The bidirectional piston drilling tool of claim 1, wherein, The head of the positioning bolt (11) is located outside the positioning plate (10), and the bolt of the positioning bolt (11) passes through the positioning plate (10) and the nut and extends into the V-groove.

3. The bidirectional piston drilling tool of claim 1, wherein, The right L-shaped positioning block (3) and the left L-shaped positioning block (6) each include a horizontal plane and a vertical plane. The base plate (4) is fixedly connected to the horizontal plane, and the vertical plane is attached to the side of the base plate (4).

4. The bidirectional piston drilling fixture according to claim 1, characterized in that, The fixed connection between the V-block (1) and the right pad (2) and the left pad (7), as well as the fixed connection between the base plate (4) and the right L-shaped positioning block (3) and the left L-shaped positioning block (6), are all fastened by bolts.

5. The bidirectional piston drilling fixture according to claim 1, characterized in that, A workpiece is placed in the V-groove, a pressure plate (8) is pressed on the upper end of the workpiece, and the screw of the positioning bolt (11) presses against the front end of the workpiece.

Images