Piston pin penetrating lathe clamp

Abstract

The utility model discloses a piston pin penetrating lathe clamp, and relates to the technical field of piston pin penetrating. The device comprises a base plate, the base plate is connected with an aligning disc, the aligning disc is connected with a moving disc, the moving disc is connected with a gas detection disc, the gas detection disc is internally connected with a pull-down block, the gas detection disc is connected with a positioning pin, and the gas detection disc is connected with a processing part. A plug pin accurately penetrates through a piston pin hole through the pin penetrating mechanism, a clamp backward pulling mechanism is started, workpiece locking, zero-point interface ventilation unlocking, separation of the pin penetrating mechanism and the plug pin and machining starting are achieved by tensioning the plug pin, machining automation is achieved through reciprocating circulation, manual interference is not needed, and machining efficiency is improved through the plug pin mechanism. Automatic machining of the piston combustion chamber is effectively achieved, the production efficiency is improved, the machining precision can be effectively guaranteed through the clamp positioning mode, workpiece clamping deformation is reduced, and therefore the machining quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston pin penetration, in particular to a piston pin penetration turning fixture. Background Art

[0002] The piston is a vital component of the engine's structure and essential for its operation. The structure of the piston crown is a crucial factor affecting the engine's operating efficiency and service life. As we all know, the machining accuracy of engine pistons is high, and the machining accuracy of the combustion chamber on the piston crown directly affects engine performance and thermal load.

[0003] The existing combustion chamber turning process relies on the positioning completed in the previous process. The existing equipment cannot compact the piston early and smoothly realize automatic processing. Utility Model Content

[0004] In order to solve the problem that the existing combustion chamber turning processing needs to rely on the stop positioning completed in the previous processing, and the existing equipment cannot compact the piston early and smoothly realize automatic processing; the purpose of this utility model is to provide a piston pin turning fixture.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a piston pin-threading turning fixture, comprising a base plate, a centering disk connected to the base plate, a movable disk connected to the centering disk, a gas inspection disk connected to the movable disk, a pull-down block connected inside the gas inspection disk, a positioning pin connected to the gas inspection disk, a processing portion connected to the gas inspection disk, a plug-in pin connected to the outer surface of the processing portion, a ball lock buckle connected to one side of the plug-in pin, a bottom plate connected to the base plate, an angle plate connected to the bottom plate, a second connecting block fixedly provided on the side of the angle plate, a top plate fixedly provided on the second connecting block, a mounting seat connected to the top plate, and a pin-threading mechanism provided on one side of the mounting seat;

[0006] The pin-penetrating mechanism includes a mounting plate, which is connected to one side of the mounting seat, a cylinder guide block is provided inside the mounting plate, the side of the mounting plate is connected to the cylinder mounting plate, a cylinder is fixed between the cylinder mounting plates, a push plate is provided at the output end of the cylinder, a guide rod is connected to the push plate, the guide rod movably passes through the mounting plate and the cylinder guide block, and the end of the guide rod away from the push plate is connected to a ball lock mounting seat, the outer surface of the ball lock mounting seat is connected to a joint mounting block, the outer surface of the ball lock mounting seat is connected to an air path connecting ring, a ball lock is provided inside the ball lock mounting seat, and the ball lock is movably contacted with the ball lock buckle.

[0007] Preferably, a cylinder guard is installed on one side of the mounting plate, and the cylinder, push plate and guide rod are all arranged inside the cylinder guard, and a linear bearing is fixedly provided on the mounting plate near the push plate, and a sealing ring is provided on one side of the mounting plate, and the guide rod movably passes through the linear bearing and the sealing ring, and a first connecting block is connected to the base plate, and a first bolt is inserted into the side thread of the angle plate, and the internal thread of the first bolt is inserted into the inside of the first connecting block, and a first connecting block is connected to the base plate, and a first bolt is inserted into the side thread of the angle plate, and the internal thread of the first bolt is inserted into the inside of the first connecting block, an O-ring is provided inside the ball lock mounting seat, and the base plate is mounted on the base plate by four cylindrical head screws.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] The utility model realizes that after the lathe spindle is accurately stopped, the plug-in pin is accurately passed through the piston pin hole through the pin-penetrating mechanism, the clamp rear-pulling mechanism is started, the workpiece is locked by tightening the plug-in pin, the zero-point interface is ventilated and unlocked, the plug-in pin mechanism and the plug-in pin are disengaged, the spindle is started to start processing, and the reciprocating cycle realizes processing automation without manual intervention. The automatic processing of the piston combustion chamber is effectively realized through the pin-penetrating mechanism, and the production efficiency is improved. The fixture positioning method can effectively ensure processing accuracy, reduce the deformation of the workpiece during clamping, and thus improve the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 This is a schematic diagram of the structure of the utility model.

[0012] Figure 2 This is a schematic diagram of the angle plate structure of the utility model.

[0013] Figure 3 This is a schematic diagram of the ball lock structure of the utility model.

[0014] Figure 4 This is a schematic diagram of the structure of the mobile disk of the utility model.

[0015] Figure 5 This is a schematic diagram of the linear bearing structure of the utility model.

[0016] Figure 6 This is a schematic diagram of the ball lock structure of the utility model.

[0017] In the figure: 1. Base plate; 10. Angle plate; 11. Cylinder shield; 12. Ball lock mounting seat; 13. Joint mounting block; 14. Air path connecting ring; 15. Bottom plate; 16. First connecting block; 17. Second connecting block; 18. Top plate; 19. Mounting seat; 2. Centering disk; 22. Cylinder mounting plate; 24. Push plate; 25. Mounting plate; 26. Cylinder; 27. Ball lock; 28. Ball lock buckle; 30. Linear bearing; 31. Sealing ring; 32. O-ring; 3. Moving disk; 4. Air inspection disk; 411. Processing part; 5. Pull-down block; 6. Positioning pin; 7. Plug-in pin; 8. Cylinder guide block; 9. Guide rod; 40. Pin-through mechanism. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] Example: Figure 1-6 As shown, the utility model provides a piston pin turning fixture, including a base plate 1, a centering disk 2 is connected to the base plate 1, a movable disk 3 is connected to the centering disk 2, a gas inspection disk 4 is connected to the movable disk 3, a pull-down block 5 is connected to the gas inspection disk 4, a positioning pin 6 is connected to the gas inspection disk 4, a processing portion 411 is connected to the gas inspection disk 4, a piston pin hole is opened in the processing portion 411, a plug-in pin 7 is connected to the outer surface of the processing portion 411, a ball lock buckle 28 is connected to one side of the plug-in pin 7, a bottom plate 15 is connected to the bottom plate 15, an angle plate 10 is connected to the side of the angle plate 10, a second connecting block 17 is fixedly provided on the second connecting block 17, a top plate 18 is fixedly provided on the top plate 18, a mounting seat 19 is connected to the top plate 18, and a pin-threading mechanism 40 is provided on one side of the mounting seat 19;

[0020] The pinning mechanism 40 includes a mounting plate 25, which is connected to one side of the mounting seat 19. A cylinder guide block 8 is provided inside the mounting plate 25. The side of the mounting plate 25 is connected to the cylinder mounting plate 22. A cylinder 26 is fixed between the cylinder mounting plates 22. A push plate 24 is provided at the output end of the cylinder 26. A guide rod 9 is connected to the push plate 24. The guide rod 9 movably passes through the mounting plate 25 and the cylinder guide block 8. The end of the guide rod 9 away from the push plate 24 is connected to the ball lock mounting seat 12. The outer surface of the ball lock mounting seat 12 is connected to the joint mounting block 13. An O-ring 32 is provided inside the ball lock mounting seat 12. 2 is connected to the outer surface of the gas path connecting ring 14, and the ball lock mounting seat 12 is provided with a ball lock 27, and the ball lock 27 is in active contact with the ball lock buckle 28. After the lathe spindle is accurately stopped, the plug-in pin 7 is accurately passed through the piston pin hole by the pin-penetrating mechanism 40, and the clamp back-pull mechanism is started. The workpiece is locked by tightening the plug-in pin 7, and the zero-point interface is ventilated and unlocked to realize the separation of the pin-penetrating mechanism 40 from the plug-in pin 7. The spindle is started to start processing, and the reciprocating cycle realizes the automation of processing without manual intervention. The automatic processing of the piston combustion chamber is effectively realized through the pin-penetrating mechanism, thereby improving production efficiency. This fixture positioning method can effectively ensure processing accuracy, reduce the deformation of the workpiece during clamping, and thus improve the processing quality.

[0021] A cylinder guard 11 is installed on one side of the mounting plate 25, and the cylinder 26, push plate 24 and guide rod 9 are all arranged inside the cylinder guard 11 to protect the cylinder 26, push plate 24 and guide rod 9. A linear bearing 30 is fixedly provided inside the mounting plate 25 near the push plate 24, and a sealing ring 31 is provided on one side of the mounting plate 25. The guide rod 9 movably passes through the linear bearing 30 and the sealing ring 31 to improve the sealing performance. A first connecting block 16 is connected to the base plate 15, and a first bolt 161 is inserted into the side thread of the angle plate 10. The internal thread of the first bolt 161 is inserted into the inside of the first connecting block 16 for easy installation. The base plate 15 is mounted on the base plate 1 by four cylindrical head screws to assist in installation.

[0022] Working principle: The functions of this fixture are as follows: after the lathe spindle is stopped accurately, the plug-in pin 7 is accurately passed through the piston pin hole through the pin-threading mechanism 40, and the clamp pull-back mechanism is started. The workpiece is locked by tightening the plug-in pin 7, and the zero-point interface is ventilated and unlocked to achieve the separation of the pin-threading mechanism 40 and the plug-in pin 7. The spindle starts to start processing, and the reciprocating cycle realizes the automation of processing without human intervention. The pin-threading mechanism can effectively realize the automated processing of the piston combustion chamber, thereby improving production efficiency. This fixture positioning method can effectively ensure processing accuracy, reduce the deformation of the workpiece during clamping, and thus improve the processing quality.

[0023] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A piston pin turning fixture, comprising a base plate (1), characterized in that: The base plate (1) is connected to a centering disk (2), the centering disk (2) is connected to a moving disk (3), the moving disk (3) is connected to a gas detection disk (4), the gas detection disk (4) is connected to a pull-down block (5), the gas detection disk (4) is connected to a positioning pin (6), the gas detection disk (4) is connected to a processing portion (411), the outer surface of the processing portion (411) is connected to a plug-in pin (7), one side of the plug-in pin (7) is connected to a ball lock buckle (28), the base plate (15) is connected to a bottom plate (15), the bottom plate (15) is connected to an angle plate (10), a second connecting block (17) is fixedly provided on the side of the angle plate (10), a top plate (18) is fixedly provided on the second connecting block (17), a mounting seat (19) is connected to the top plate (18), and a pin-penetrating mechanism (40) is provided on one side of the mounting seat (19); The pin-penetrating mechanism (40) includes a mounting plate (25), the mounting plate (25) is connected to one side of the mounting seat (19), a cylinder guide block (8) is provided inside the mounting plate (25), the side of the mounting plate (25) is connected to the cylinder mounting plate (22), a cylinder (26) is fixed between the cylinder mounting plates (22), a push plate (24) is provided at the output end of the cylinder (26), a guide rod (9) is connected to the push plate (24), and the guide rod (9) is provided on the guide rod. The rod (9) movably passes through the mounting plate (25) and the cylinder guide block (8); the end of the guide rod (9) away from the push plate (24) is connected to a ball lock mounting seat (12); the outer surface of the ball lock mounting seat (12) is connected to a joint mounting block (13); the outer surface of the ball lock mounting seat (12) is connected to an air path connecting ring (14); a ball lock (27) is provided inside the ball lock mounting seat (12); and the ball lock (27) is in movably contact with a ball lock buckle (28).

2. A piston pin turning fixture as claimed in claim 1, characterized in that: A cylinder shield (11) is installed on one side of the mounting plate (25), and the cylinder (26), the push plate (24) and the guide rod (9) are all arranged inside the cylinder shield (11).

3. A piston pin turning fixture as claimed in claim 1, characterized in that: A linear bearing (30) is fixedly provided inside the mounting plate (25) near the push plate (24), a sealing ring (31) is provided on one side of the mounting plate (25), and the guide rod (9) movably passes through the linear bearing (30) and the sealing ring (31).

4. A piston pin turning fixture as claimed in claim 1, characterized in that: The bottom plate (15) is connected to a first connecting block (16), a first bolt (161) is threadedly inserted into the side surface of the angle plate (10), and an internal thread of the first bolt (161) is inserted into the interior of the first connecting block (16).

5. A piston pin turning fixture as claimed in claim 1, characterized in that: An O-ring (32) is provided inside the ball lock mounting seat (12).

6. A piston pin turning fixture as claimed in claim 1, characterized in that: The bottom plate (15) is mounted on the base plate (1) by means of four cylindrical head screws.

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