Piston pin hole machining device

Abstract

The utility model provides a piston pin hole machining device, which relates to the technical field of piston pin hole machining, and comprises a base, a lower moving frame and a hanger plate, a lower support plate is fixed in the middle of the upper end face of the base, the upper end of the lower support plate is fixed below a lower fixing plate, the lower moving frame is movably arranged on the lower fixing plate, and the hanger plate is fixed on the lower moving frame. A middle supporting leg is fixed to the middle of the upper end face of the lower moving rack, the upper end of the middle supporting leg is fixed to the lower portion of a supporting seat, a piston is arranged on the supporting seat, a hanging plate is arranged above the piston, and first Y-axis linear guide rails are arranged at the left end and the right end of a lower fixing plate correspondingly; second sliding blocks are arranged on the lower portions of the left side and the right side of the lower moving rack correspondingly, and the second sliding block on each side is slidably connected to the first Y-axis linear guide rail on the same side. The device can support a plurality of groups of pistons at the same time and then clamp the left and right parts of the outer ring surfaces of the pistons, so that the pistons are kept stable when being pinned, the positions of the pinholes can be flexibly changed, and the device is more efficient, stable and reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of piston pin hole processing, in particular to a piston pin hole processing device. Background Art

[0002] As the requirements of automobiles for engine power, economy, environmental protection and reliability become more and more stringent, pistons have developed into high-tech products that integrate lightweight and high-strength new materials, special-shaped outer cylindrical composite surfaces, special-shaped pin holes and other new technologies. When producing and processing pistons, it is necessary to process piston pin holes on the pistons.

[0003] In the specification of a piston elliptical pin hole processing device in the prior art (publication number CN218396276U), it is mentioned that "fixed cutters are fixedly connected to the front and back sides of the cutting shaft tube, a chip removal groove is provided inside the fixed cutter, cutter storage frames are fixedly connected to both sides of the cutting shaft tube, the interior of the cutter storage frame is connected to the interior of the cutting shaft tube, a movable cutter is movably sleeved inside the cutting shaft tube, a plurality of springs are fixedly connected to one side of the movable cutter, and a same supporting slide plate is fixedly connected to one side of the plurality of springs". However, the piston pin hole in the prior art only clamps the two sides of the outer ring surface of the piston, and may be knocked out when the punching head is aligned with the piston pin hole, and the pin hole position cannot be flexibly changed, so it is not flexible, stable and reliable to use. Utility Model Content

[0004] In order to overcome the defects of the prior art, a piston pin hole processing device is provided to solve the problem that the piston pin hole in the prior art only clamps the two sides of the piston outer ring surface, may be knocked out when the punching head is used for the piston pin hole, and the pin hole position cannot be flexibly changed, and the use is not flexible, stable and reliable.

[0005] In order to achieve the above-mentioned purpose, a piston pin hole processing device is provided, including a base, a lower movable frame and a hanging plate, a lower support plate is fixed to the middle part of the upper end surface of the base, and the upper end of the lower support plate is fixed under the lower fixed plate, and the lower movable frame is movably arranged on the lower fixed plate, a middle support leg is fixed to the middle part of the upper end surface of the lower movable frame, and the upper end of the middle support leg is fixed under the support seat, a piston is arranged on the support seat, and a hanging plate is arranged above the piston.

[0006] Furthermore, the left and right ends of the lower fixed plate are both provided with a first Y-axis linear guide rail, and the lower parts of the left and right sides of the lower movable frame are both provided with a second slider, and the second slider on each side is slidably connected to the first Y-axis linear guide rail on the same side.

[0007] Furthermore, two sets of side sleeve plates are fixed to the upper end surface of the second slider, and multiple sets of telescopic cylinders are sleeved between the two sets of side sleeve plates. Side clamping plates are fixed to the front end of the telescopic cylinders, and the left and right side clamping plates are respectively clamped on the left and right sides of the outer ring surface of the piston.

[0008] Furthermore, the support seat adopts an arc-shaped plate structure, and a recess is provided in the middle of the support seat.

[0009] Furthermore, side fixing plates are fixed on both left and right ends of the upper end surface of the base, a first Z-axis linear guide is arranged on the upper part of the side fixing plate, and a first slider is slidably connected to the first Z-axis linear guide, the first slider is fixed on the outer end of the transverse plate, and a first X-axis linear guide is arranged in the middle part of the transverse plate.

[0010] Furthermore, a third slider is provided on the upper part of the hanging plate, and the third slider is slidably connected to the first X-axis linear guide rail, and the lower part of the hanging plate is slidably connected to the second Y-axis linear guide rail arranged on the inner side of the side connecting plate, and a lower fixed sleeve is provided on the lower part of the hanging plate, and the lower fixed sleeve is sleeved on the outside of the first motor, and a punching head is installed at the lower end of the first motor.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model extends the telescopic cylinders on both sides to push the side clamping plates to clamp the left and right parts of the piston, so that the piston is prevented from slipping on the support seat to ensure the stability of the piston pin hole.

[0013] 2. In the utility model, multiple groups of pistons can be placed on the support seat at the same time, and the recess provided at the lower part of the support seat is convenient for the punching head to pass through, so the punching is safe and stable.

[0014] 3. In the utility model, the first slider is on the first Z-axis linear guide, the third slider is on the first X-axis linear guide, and the bottom of the hanging plate is on the second Y-axis linear guide, and they are all movable so as to flexibly move the pin hole position, which is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the punching head of the embodiment of the utility model facing the piston pin hole;

[0016] Figure 2 This is a schematic diagram of the punching head after punching the piston pin hole according to the embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the lower movable frame of an embodiment of the utility model;

[0018] Figure 4 A schematic diagram of a support base according to an embodiment of the utility model;

[0019] Figure 5 This is a schematic diagram of the hanging plate structure arrangement according to an embodiment of the utility model.

[0020] In the figure: 1. base; 10. lower support plate; 11. lower fixed plate; 12. first Y-axis linear guide; 13. side fixed plate; 14. first Z-axis linear guide; 15. first slider; 16. transverse plate; 17. first X-axis linear guide; 2. lower moving frame; 20. second slider; 21. side sleeve plate; 22. telescopic cylinder; 23. side clamping plate; 24. middle support leg; 25. support seat; 26. notch; 3. hanging plate; 30. third slider; 31. side connecting plate; 32. second Y-axis linear guide; 33. lower fixed sleeve; 34. first motor; 35. punching head; 4. piston. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present disclosure.

[0022] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the punching head of the utility model embodiment facing the piston pin hole. Figure 2 This is a schematic diagram of the punching head of the utility model after punching the piston pin hole. Figure 3 The schematic diagram of the structure of the lower movable frame of the utility model embodiment is as follows: Figure 4 The support base schematic diagram of the utility model embodiment and Figure 5 This is a schematic diagram of the hanging plate structure arrangement according to an embodiment of the utility model.

[0024] Reference Figures 1 to 5As shown, the utility model provides a piston pin hole processing device, including a base 1, a lower movable frame 2 and a hanging plate 3, a lower support plate 10 is fixed to the middle part of the upper end surface of the base 1, and the upper end of the lower support plate 10 is fixed under the lower fixed plate 11, and the lower movable frame 2 is movably arranged on the lower fixed plate 11, a middle support leg 24 is fixed to the middle part of the upper end surface of the lower movable frame 2, and the upper end of the middle support leg 24 is fixed under the support seat 25, a piston 4 is arranged on the support seat 25, and a hanging plate 3 is arranged above the piston 4.

[0025] In this embodiment, the left and right ends of the lower fixed plate 11 are both provided with a first Y-axis linear guide 12, and the lower parts of the left and right sides of the lower movable frame 2 are both provided with a second slider 20, and the second slider 20 on each side is slidably connected to the first Y-axis linear guide 12 on the same side; two groups of side sleeve plates 21 are fixed to the upper end surface of the second slider 20, and multiple groups of telescopic cylinders 22 are sleeved between the two groups of side sleeve plates 21, and the front end of the telescopic cylinder 22 is fixed with a side clamping plate 23, and the left and right side clamping plates 23 are respectively clamped on the left and right sides of the outer ring surface of the piston 4.

[0026] As a preferred embodiment, the utility model extends the telescopic cylinders 22 on both sides to push the side clamping plates 23 to clamp the left and right parts of the piston 4, so that the piston 4 does not slip on the support seat 25 to ensure the stability of the piston pin hole.

[0027] In this embodiment, the support seat 25 adopts an arc-shaped plate structure, and a notch 26 is provided in the middle of the support seat 25 .

[0028] As a preferred embodiment, in the utility model, multiple groups of pistons 4 can be placed on the support seat 25 at the same time, and the recess 26 provided at the lower part of the support seat 25 is convenient for the punching head to pass through, and the punching is safe and stable.

[0029] In this embodiment, side fixing plates 13 are fixed on both ends of the upper end surface of the base 1, a first Z-axis linear guide 14 is provided on the upper part of the side fixing plate 13, and a first slider 15 is slidably connected to the first Z-axis linear guide 14, the first slider 15 is fixed to the outer end of the transverse plate 16, and a first X-axis linear guide 17 is provided in the middle part of the transverse plate 16; a third slider 30 is provided on the upper part of the hanging plate 3, the third slider 30 is slidably connected to the first X-axis linear guide 17, and the lower part of the hanging plate 3 is slidably connected to the second Y-axis linear guide 32 provided on the inner side of the side connecting plate 31, and a lower fixing sleeve 33 is provided on the lower part of the hanging plate 3, the lower fixing sleeve 33 is sleeved on the outside of the first motor 34, and a punching head 35 is installed at the lower end of the first motor 34.

[0030] As a preferred embodiment, in the utility model, the first slider 15 is on the first Z-axis linear guide 14, the third slider 30 is on the first X-axis linear guide 17, and the bottom of the hanging plate 3 is on the second Y-axis linear guide 32, which can all be moved so as to flexibly move the pin hole position, which is more convenient and practical.

[0031] The utility model can effectively solve the problem that the piston pin hole in the prior art only clamps the two sides of the piston outer ring surface, which may be knocked out when the punching head is used for the piston pin hole, and the pin hole position cannot be flexibly changed, and the use is not flexible, stable and reliable. The utility model can support multiple groups of pistons at the same time, and then clamp the left and right parts of the piston outer ring surface to keep it stable when being pinned, and the pin hole position can be flexibly changed, which is more efficient, stable and reliable to use.

[0032] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A piston pin hole processing device, characterized in that: The invention comprises a base (1), a lower movable frame (2) and a hanging plate (3); a lower support plate (10) is fixed in the middle of the upper end surface of the base (1), and the upper end of the lower support plate (10) is fixed under a lower fixed plate (11); the lower movable frame (2) is movably arranged on the lower fixed plate (11); a middle support leg (24) is fixed in the middle of the upper end surface of the lower movable frame (2), and the upper end of the middle support leg (24) is fixed under a support seat (25); a piston (4) is arranged on the support seat (25), and a hanging plate (3) is arranged above the piston (4).

2. A piston pin hole machining device according to claim 1, characterized in that: The left and right ends of the lower fixed plate (11) are both provided with first Y-axis linear guide rails (12), and the lower parts of the left and right sides of the lower movable frame (2) are both provided with second sliders (20), and the second sliders (20) on each side are slidably connected to the first Y-axis linear guide rail (12) on the same side.

3. A piston pin hole machining device according to claim 2, characterized in that: Two sets of side sleeve plates (21) are fixed to the upper end surface of the second sliding block (20), and a plurality of sets of telescopic cylinders (22) are sleeved between the two sets of side sleeve plates (21). Side clamping plates (23) are fixed to the front ends of the telescopic cylinders (22), and the left and right side clamping plates (23) are respectively clamped on the left and right sides of the outer ring surface of the piston (4).

4. A piston pin hole machining device according to claim 1, characterized in that: The support seat (25) adopts an arc-shaped plate structure, and a notch (26) is provided in the middle of the support seat (25).

5. The piston pin hole machining device according to claim 1, characterized in that: Side fixing plates (13) are fixed to both left and right ends of the upper end surface of the base (1); a first Z-axis linear guide rail (14) is provided on the upper portion of the side fixing plate (13); a first slider (15) is slidably connected to the first Z-axis linear guide rail (14); the first slider (15) is fixed to the outer end of the transverse plate (16); and a first X-axis linear guide rail (17) is provided in the middle portion of the transverse plate (16).

6. The piston pin hole machining device according to claim 1, characterized in that: A third slider (30) is provided at the upper portion of the hanging plate (3), the third slider (30) is slidably connected to the first X-axis linear guide rail (17), and the lower portion of the hanging plate (3) is slidably connected to the second Y-axis linear guide rail (32) provided on the inner side of the side connecting plate (31), and a lower fixing sleeve (33) is provided at the lower portion of the hanging plate (3), the lower fixing sleeve (33) is sleeved outside the first motor (34), and a punching head (35) is installed at the lower end of the first motor (34).

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