Machining platform for piston air cylinder assembly

Abstract

The utility model discloses a processing platform of a piston cylinder assembly, which comprises a workbench and a base, the workbench is provided with a groove, the workbench is rotatably provided with a first screw rod in the groove, the first screw rod is in threaded connection with two screw blocks, the tops of the two screw blocks are both fixedly provided with L-shaped plates, the two L-shaped plates are both fixedly provided with clamping blocks, and the clamping blocks are fixed on the base. The upper ends of the two L-shaped plates are in threaded connection with second screws, pressing plates are rotationally arranged at the bottom ends of the two second screws, two pressing columns are fixedly arranged at the bottoms of the two pressing plates, a fixing cylinder is fixedly arranged at the bottom of the workbench, and a rotating groove rotationally matched with the fixing cylinder is formed in the base. A first hand wheel is rotated, a first screw rod is driven to rotate, two L-shaped plates are driven to move, then a cylinder body is clamped and fixed through two clamping blocks, a cylinder cover is arranged in the cylinder body, then two second hand wheels are rotated, four pressing columns abut against the cylinder cover, the cylinder cover is limited, and the cylinder cover is not prone to moving and inclining in the welding machining process.

Description

Technical Field

[0001] The utility model belongs to the technical field of piston cylinders, and in particular relates to a processing platform for piston cylinder components. Background Art

[0002] The piston cylinder is a cylindrical metal part that guides the piston to perform linear reciprocating motion in the cylinder. The air in the engine cylinder converts heat energy into mechanical energy by expansion; the gas in the compressor cylinder is compressed by the piston to increase the pressure. The housing of turbines, rotary piston engines, etc. is usually also called a cylinder.

[0003] In the existing welding process of the cylinder block and the cylinder head, there is no well-structured fixture, which easily leads to the overall plane tilt of the cylinder head during the welding process of the cylinder head and the cylinder block, which will have a serious impact on the product quality of the entire device. In addition, due to the lack of corresponding fixtures, the processing speed of the product is greatly affected, which directly leads to the problems of low product production quality and low production efficiency. Utility Model Content

[0004] In order to solve the problem that the cylinder head is easily tilted in the plane during the welding process between the cylinder head and the cylinder body, which will have a serious impact on the product quality of the entire device and the lack of corresponding tooling and fixtures will have a great impact on the processing speed of the product, directly leading to low production quality and low production efficiency, the utility model provides a processing platform for a piston cylinder assembly.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a processing platform for a piston cylinder assembly, comprising a workbench and a base, the workbench is provided with a groove, the workbench is located in the groove and a first screw is rotatably arranged, the first screw is threadedly connected to two screw blocks, the tops of the two screw blocks are fixedly provided with L-shaped plates, the two L-shaped plates are fixedly provided with clamping blocks, the upper ends of the two L-shaped plates are threadedly connected to a second screw, the bottom ends of the two second screws are rotatably provided with pressure plates, the bottoms of the two pressure plates are fixedly provided with two pressure columns, the bottom of the two pressure plates are fixedly provided with a fixed cylinder, the bottom of the workbench is fixedly provided with a fixed cylinder, and the base is provided with a rotating groove that rotatably cooperates with the fixed cylinder.

[0006] Preferably, the first screw is a bidirectional screw, and the two screw blocks are both slidably fitted with the inner wall of the groove.

[0007] Preferably, the two clamping blocks are both arc-shaped structures, and anti-slip pads are provided on the surfaces of the two clamping blocks.

[0008] Preferably, a limiting rod is fixedly provided on each of the two pressing plates, and a through hole for the limiting rod to slide through is provided on the upper ends of the two L-shaped plates.

[0009] Preferably, one end of the first screw rod passes through the workbench and is fixedly provided with a first hand wheel, and the top ends of the two second screw rods are fixedly provided with a second hand wheel.

[0010] Preferably, the longitudinal cross-sections of the fixed cylinder and the rotating groove are both L-shaped structures, and a plurality of balls are arranged at the bottom end of the fixed cylinder. The plurality of balls are in contact with the rotating groove and are distributed in a ring array.

[0011] Preferably, a latch is provided through the upper end of the workbench, and a plurality of slots adapted to the latch are provided at the upper end of the bottom of the fixing tube, and the plurality of slots are distributed in a ring array.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By turning the first hand wheel, the first screw is driven to rotate, and the two L-shaped plates are driven to move, so that the two clamps clamp the cylinder body and fix it. The cylinder head is placed in the cylinder body, and then the two second hand wheels are turned to make the four pressure columns contact the cylinder head to restrict the cylinder head, so that the cylinder head is not easy to move and tilt during welding.

[0014] 2. The workbench is rotated by multiple ball bearings to adjust the cylinder body to a suitable angle, and then fixed by inserting pins, so as to facilitate comprehensive welding processing of the piston cylinder assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the overall front section of the utility model;

[0017] Figure 3 It is a schematic structural diagram of the overall side section of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the L-shaped plate part of the utility model.

[0019] In the figure: 1. workbench; 2. base; 3. first screw; 4. screw block; 5. L-shaped plate; 6. clamping block; 7. second screw; 8. pressure plate; 9. pressure column; 10. fixed cylinder; 11. rotating groove; 12. anti-slip pad; 13. limit rod; 14. first hand wheel; 15. second hand wheel; 16. ball; 17. latch; 18. slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A processing platform for a piston cylinder assembly comprises a workbench 1 and a base 2. A groove is provided on the workbench 1. A first screw 3 is rotatably provided in the workbench 1. Two screw blocks 4 are threadedly connected to the first screw 3. The first screw 3 is a bidirectional screw. Both screw blocks 4 are slidably fitted with the inner wall of the groove. L-shaped plates 5 are fixedly provided on the tops of the two screw blocks 4. Clamping blocks 6 are fixedly provided on the two L-shaped plates 5. One end of the first screw 3 passes through the workbench 1 and is fixedly provided with a first hand wheel 14.

[0022] Specifically, the cylinder body is placed on the workbench 1 and located between the two clamping blocks 6. By rotating the first hand wheel 14, the first screw rod 3 is driven to rotate, and then the two screw blocks 4 are driven to move toward each other along the axial direction of the first screw rod 3, and the two L-shaped plates 5 are driven to move synchronously, so that the two clamping blocks 6 clamp and fix the cylinder body.

[0023] The two clamping blocks 6 are both arc-shaped structures, and anti-skid pads 12 are provided on the surfaces of the two clamping blocks 6. The anti-skid pads 12 are provided to improve the clamping stability.

[0024] Furthermore, the upper ends of the two L-shaped plates 5 are threadedly connected with the second screw rod 7, the bottom ends of the two second screw rods 7 are rotatably provided with a pressure plate 8, the bottoms of the two pressure plates 8 are fixedly provided with two pressure columns 9, the two pressure plates 8 are fixedly provided with a limiting rod 13, the upper ends of the two L-shaped plates 5 are provided with a through hole for the limiting rod 13 to slide through, and the tops of the two second screw rods 7 are fixedly provided with a second hand wheel 15.

[0025] Specifically, by rotating the two second hand wheels 15, the two second screw rods 7 are driven to move downward, and the two pressure plates 8 are driven to move downward, so that the four pressure pillars 9 are pressed against the cylinder head, restricting the cylinder head so that the cylinder head is not easily moved or tilted during welding.

[0026] Furthermore, a fixed cylinder 10 is fixedly arranged at the bottom of the workbench 1, and a rotating groove 11 is opened on the base 2 to rotate with the fixed cylinder 10. The longitudinal cross-sections of the fixed cylinder 10 and the rotating groove 11 are both L-shaped structures. A plurality of balls 16 are arranged at the bottom of the fixed cylinder 10. The plurality of balls 16 are in contact with the rotating groove 11 and are distributed in a ring array. By arranging a plurality of balls 16, the workbench 1 can be rotated conveniently, thereby facilitating comprehensive welding processing.

[0027] Finally, a latch 17 is provided through the upper end of the workbench 1, and a plurality of slots 18 adapted to the latch 17 are provided at the upper bottom end of the fixing tube 10. The plurality of slots 18 are distributed in a ring array, and the latch 17 is restricted and fixed by inserting the slots 18.

[0028] The operating principle of the utility model is described as follows: the cylinder body is placed on the workbench 1 and located between the two clamping blocks 6. By turning the first hand wheel 14, the first screw rod 3 is driven to rotate, and then the two screw blocks 4 are driven to move toward each other along the axial direction of the first screw rod 3, and the two L-shaped plates 5 are driven to move synchronously, so that the two clamping blocks 6 clamp and fix the cylinder body, and the cylinder head is placed in the cylinder body, and then the two second hand wheels 15 are turned to drive the two second screw rods 7 to move downward, and the two pressure plates 8 to move downward, so that the four pressure columns 9 are in contact with the cylinder head, and the cylinder head is restricted, so that the cylinder head is not easy to move and tilt during welding. During the processing, when the azimuth angle of the cylinder body needs to be adjusted, the pin 17 is removed, the workbench 1 is rotated by multiple balls 16, the cylinder body is adjusted to a suitable azimuth angle, and then the pin 17 is inserted to fix it, so as to facilitate the comprehensive welding processing of the piston cylinder assembly.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A processing platform for a piston cylinder assembly, comprising a workbench (1) and a base (2), characterized in that: The workbench (1) is provided with a groove, and the workbench (1) is rotatably provided with a first screw rod (3) in the groove, and two screw blocks (4) are threadedly connected to the first screw rod (3), and L-shaped plates (5) are fixedly provided on the tops of the two screw blocks (4), and clamping blocks (6) are fixedly provided on the two L-shaped plates (5), and second screw rods (7) are threadedly connected to the upper ends of the two L-shaped plates (5), and pressure plates (8) are rotatably provided at the bottom ends of the two second screw rods (7), and two pressure columns (9) are fixedly provided at the bottoms of the two pressure plates (8), and a fixed cylinder (10) is fixedly provided at the bottom of the workbench (1), and a rotating groove (11) rotatably matched with the fixed cylinder (10) is provided on the base (2).

2. A processing platform for a piston-cylinder assembly according to claim 1, characterized in that: The first screw (3) is a bidirectional screw, and the two screw blocks (4) are both slidably fitted with the inner wall of the groove.

3. A processing platform for a piston-cylinder assembly according to claim 1, characterized in that: The two clamping blocks (6) are both arc-shaped structures, and anti-slip pads (12) are provided on the surfaces of the two clamping blocks (6).

4. A processing platform for a piston-cylinder assembly according to claim 1, characterized in that: A limiting rod (13) is fixedly arranged on each of the two pressing plates (8), and a through hole for the limiting rod (13) to slide through is provided at the upper ends of the two L-shaped plates (5).

5. The processing platform of a piston cylinder assembly according to claim 1, characterized in that: One end of the first screw rod (3) passes through the workbench (1) and is fixedly provided with a first hand wheel (14), and the top ends of the two second screw rods (7) are fixedly provided with a second hand wheel (15).

6. A processing platform for a piston-cylinder assembly according to claim 1, characterized in that: The longitudinal cross-sections of the fixed cylinder (10) and the rotating groove (11) are both L-shaped structures. A plurality of rolling balls (16) are arranged at the bottom end of the fixed cylinder (10). The plurality of rolling balls (16) are in contact with the rotating groove (11) and are distributed in a ring-shaped array.

7. The processing platform of a piston cylinder assembly according to claim 1, characterized in that: A latch (17) is provided through the upper end of the workbench (1), and a plurality of slots (18) adapted to the latch (17) are provided at the upper end of the bottom of the fixing cylinder (10), wherein the plurality of slots (18) are distributed in a ring-shaped array.

Images