Punching and grinding machine for shaft pin machining

Abstract

The invention relates to the technical field of punching and grinding machines, in particular to a punching and grinding machine for shaft pin machining, comprising: a support frame, the bottom of which is provided with a base; a driving motor is arranged at the bottom of the lifting rod, a punching shaft is arranged at the bottom of the driving motor, an inserting hole is formed in the punching shaft, a bottom rod is arranged on the surface of the base, a first grinding ring is arranged at the top of the bottom rod, and an inserting rod is arranged at the top of the first grinding ring; the second polishing ring is arranged at the bottom of the driving motor; the drilling device has the beneficial effects that a first grinding ring ascends along with a rotating ring, after the first grinding ring ascends, the first grinding ring is clamped on the surface of a friction ring, the first grinding ring rotates along with an inserting rod, a second grinding ring on the surface of a drilling shaft abuts against the top of a drilled hole, and the first grinding ring abuts against the bottom of the drilled hole; holes are polished while punching is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of punching and grinding machines, in particular to a punching and grinding machine for processing axle pins. Background Art

[0002] Pins are a type of standardized fasteners that can be used for static fixed connections or for relative movement with the connected parts. They are mainly used at the hinges of two parts to form hinge connections. Pins are usually locked with cotter pins, which are reliable and easy to disassemble.

[0003] When processing axle pins, not only punching is required, but also grinding is required after punching. Usually, two steps are used for processing, but the processing efficiency is slow and the original part needs to be transferred. When the positioning of the original part is unstable or skewed during processing, the punching will be skewed. Summary of the invention

[0004] The object of the present invention is to provide a punching and grinding machine for axle pin processing to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a punching and grinding machine for axle pin processing, comprising:

[0006] A support frame, wherein a base is provided at the bottom of the support frame;

[0007] A lifting rod, a driving motor is arranged at the bottom of the lifting rod, a punching shaft is arranged at the bottom of the driving motor, a plug-in hole is arranged inside the punching shaft, a bottom rod is arranged on the surface of the base, a first grinding ring is arranged on the top of the bottom rod, a plug-in rod is arranged on the top of the first grinding ring; and a second grinding ring is arranged at the bottom of the driving motor.

[0008] Preferably, the support frame is fixed to the surface of the base, a vertical pole is fixed to the surface of the base, a fixing ring is fixed to the surface of the vertical pole, an axle pin is inserted in the fixing ring, a fixing screw is provided on the surface of the fixing ring, the fixing screw is screwed, and the end of the fixing screw is supported on the surface of the axle pin to fix the axle pin inside the fixing ring.

[0009] Preferably, the lifting rod is located at the top of the support frame, the lifting rod can be lifted and lowered, a lifting drive device is provided at the end of the lifting rod, the lifting drive device drives the lifting rod to lift and lower, a driving motor is fixed to the bottom of the lifting rod, the driving motor is lifted and lowered with the lifting rod, a punching shaft is provided at the bottom of the driving motor, and the driving motor can drive the punching shaft to rotate.

[0010] Preferably, a limit strip is fixed on the surface of the lifting rod, and the limit strip rises and falls with the lifting rod. A sleeve ring is fixed to the bottom of the driving motor, and an air chamber is provided inside the sleeve ring. A second grinding ring is fixed to the surface of the punching shaft, and the second grinding ring rotates with the punching shaft. An air pipe is connected to the surface of the sleeve ring, and an inflation component is connected to the end of the air pipe. The inflation component allows air to enter the air chamber. A through hole is provided on the surface of the punching shaft, and a plug hole is provided inside the punching shaft, and the plug hole is communicated with the through hole.

[0011] Preferably, a hydraulic chamber is opened inside the bottom rod, the hydraulic chamber is filled with hydraulic oil, a lifting rod and a limit rod are inserted in the hydraulic chamber, the lifting rod and the limit rod can be lifted and moved in the hydraulic chamber, a rotating ring is fixed at the end of the limit rod, and the rotating ring is located on the surface of the first grinding ring.

[0012] Preferably, the rotating ring can rotate on the surface of the first grinding ring, the lifting rod is inserted into the inside of the first grinding ring, and the lifting rod can move up and down inside the first grinding ring.

[0013] Preferably, a plug-in rod is plugged into the end of the lifting rod, the plug-in rod can rotate at the end of the lifting rod, a friction ring is fixed on the surface of the plug-in rod, and the diameter of the friction ring is greater than the diameter of the plug-in rod.

[0014] Preferably, the first grinding ring can be lifted and lowered on the surface of the lifting rod. When the first grinding ring moves to the surface of the friction ring, the friction ring is stuck inside the first grinding ring, so that the first grinding ring rotates with the friction ring.

[0015] Preferably, when the punching shaft descends, the plug-in rod is inserted into the plug-in hole inside the punching shaft, and the plug-in rod is supported on the inner wall of the plug-in hole, so that the plug-in rod rotates with the punching shaft.

[0016] Preferably, the end of the punching shaft is supported on the surface of the shaft pin, and a hole is drilled on the surface of the shaft pin.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The plug-in rod proposed in the present invention descends after being squeezed, and the plug-in rod rotates with the punching shaft, the plug-in rod drives the lifting rod to descend, and the lifting rod is inserted into the hydraulic chamber, so that the hydraulic oil in the hydraulic chamber squeezes the limiting rod, and the limiting rod drives the rotating ring to rise, and the first grinding ring rises with the rotating ring. After the first grinding ring rises, the first grinding ring is stuck on the surface of the friction ring, and the first grinding ring rotates with the plug-in rod. The second grinding ring on the surface of the punching shaft is held at the top of the drilled hole, and the first grinding ring is held at the bottom of the drilled hole, so that the hole can be polished while drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the three-dimensional structure of the present invention.

[0020] Figure 2 This is a structural schematic diagram from another viewing angle of the present invention.

[0021] Figure 3 It is a schematic diagram of a partially enlarged structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the structure of the first grinding ring of the present invention.

[0023] Figure 5 It is a schematic diagram of the cross-sectional structure of the punching shaft of the present invention.

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the bottom rod of the present invention.

[0025] In the figure: support frame 1, vertical pole 2, base 3, fixed screw 4, axle pin 5, fixed ring 6, drive motor 7, lifting rod 8, limit strip 9, punching shaft 10, plug-in rod 11, friction ring 12, lifting rod 13, first grinding ring 14, bottom rod 15, air pipe 16, through hole 17, second grinding ring 18, air chamber 19, sleeve ring 20, plug-in hole 21, rotating ring 22, hydraulic chamber 23, limit rod 24. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figures 1 to 6 , the present invention provides a technical solution:

[0028] Embodiment 1: A punching and grinding machine for processing an axle pin comprises: a support frame 1, a base 3 is arranged at the bottom of the support frame 1; a lifting rod 8, a driving motor 7 is arranged at the bottom of the lifting rod 8, a punching shaft 10 is arranged at the bottom of the driving motor 7, a plug-in hole 21 is arranged inside the punching shaft 10, a bottom rod 15 is arranged on the surface of the base 3, a first grinding ring 14 is arranged on the top of the bottom rod 15, and a plug-in rod 11 is arranged on the top of the first grinding ring 14; and a second grinding ring 18, which is arranged at the bottom of the driving motor 7.

[0029] Embodiment 2: On the basis of embodiment 1, the support frame 1 is fixed on the surface of the base 3, the surface of the base 3 is fixed with a vertical pole 2, the surface of the vertical pole 2 is fixed with a fixing ring 6, an axle pin 5 is inserted in the fixing ring 6, a fixing screw 4 is provided on the surface of the fixing ring 6, the fixing screw 4 is screwed, the end of the fixing screw 4 is supported on the surface of the axle pin 5, and the axle pin 5 is fixed inside the fixing ring 6, a hydraulic chamber 23 is opened inside the bottom rod 15, the hydraulic chamber 23 is filled with hydraulic oil, a lifting rod 13 and a limiting rod 24 are inserted in the hydraulic chamber 23, the lifting rod 13 and the limiting rod 24 can be lifted and moved in the hydraulic chamber 23, a rotating ring 22 is fixed to the end of the limiting rod 24, the rotating ring 22 is located on the surface of the first grinding ring 14, the rotating ring 22 can rotate on the surface of the first grinding ring 14, the lifting rod 13 is inserted in the first grinding ring 14 The lifting rod 13 can be lifted and moved inside the first grinding ring 14, and the end of the lifting rod 13 is plugged with a plug-in rod 11, which can rotate at the end of the lifting rod 13. A friction ring 12 is fixed on the surface of the plug-in rod 11, and the diameter of the friction ring 12 is larger than the diameter of the plug-in rod 11. The first grinding ring 14 can be lifted and moved on the surface of the lifting rod 13. When the first grinding ring 14 moves to the surface of the friction ring 12, the friction ring 12 is stuck in the inside of the first grinding ring 14, so that the first grinding ring 14 rotates with the friction ring 12, and the first grinding ring 14 rises with the rotating ring 22. After the first grinding ring 14 rises, the first grinding ring 14 is stuck on the surface of the friction ring 12, and the first grinding ring 14 rotates with the plug-in rod 11. The second grinding ring 18 on the surface of the drilling shaft 10 is held at the top of the drilled hole.

[0030] The lifting rod 8 is located at the top of the support frame 1, and the lifting rod 8 can be lifted and lowered. A lifting drive device is provided at the end of the lifting rod 8, and the lifting drive device drives the lifting rod 8 to lift and lower. A driving motor 7 is fixed to the bottom of the lifting rod 8, and the driving motor 7 is lifted and lowered along with the lifting rod 8. A punching shaft 10 is provided at the bottom of the driving motor 7, and the driving motor 7 can drive the punching shaft 10 to rotate. When the punching shaft 10 descends, the plug-in rod 11 is inserted into the plug-in hole 21 inside the punching shaft 10, and the plug-in rod 11 is supported on the inner wall of the plug-in hole 21, so that the plug-in rod 11 rotates along with the punching shaft 10, and the end of the punching shaft 10 is supported on the surface of the shaft pin 5, and a hole is drilled on the surface of the shaft pin 5. The punching shaft 10 drills a hole on the surface of the shaft pin 5. After the punching shaft 10 continues to descend, the plug-in rod 11 is inserted into the plug-in hole 21 inside the punching shaft 10.

[0031] A limit strip 9 is fixed on the surface of the lifting rod 8, and the limit strip 9 is lifted and lowered with the lifting rod 8. A sleeve ring 20 is fixed to the bottom of the driving motor 7, and an air chamber 19 is opened inside the sleeve ring 20. A second grinding ring 18 is fixed on the surface of the punching shaft 10, and the second grinding ring 18 rotates with the punching shaft 10. The surface of the sleeve ring 20 is connected with an air pipe 16, and the end of the air pipe 16 is connected to an inflation component, and the inflation component allows air to enter the air chamber 19. A through hole 17 is opened on the surface of the punching shaft 10, and a plug hole 21 is opened inside the punching shaft 10, and the plug hole 21 is communicated with the through hole 17. The inflation component blows gas into the air chamber 19, and enters the plug hole 21 through the through hole 17. The air blows out the debris blocked in the plug hole 21, and the plug rod 11 descends after being squeezed, and the plug rod 11 rotates with the punching shaft 10.

[0032] Insert the shaft pin 5 into the interior of the fixing ring 6, screw the fixing screw 4 to fix the shaft pin 5, drive the driving motor 7 to descend through the lifting rod 8, and the driving motor 7 drives the punching shaft 10 to rotate, and the punching shaft 10 drills holes on the surface of the shaft pin 5. After the punching shaft 10 continues to descend, the plug-in rod 11 is inserted into the plug-in hole 21 inside the punching shaft 10, and the end of the air pipe 16 is connected to the inflation component, and the inflation component blows gas into the air chamber 19, and enters the plug-in hole 21 through the through hole 17. The air blows out the debris blocked in the plug-in hole 21, and the plug-in rod 11 is squeezed and then descends, and the plug-in rod 11 As the punching shaft 10 rotates, the connecting rod 11 drives the lifting rod 13 to descend, and the lifting rod 13 is inserted into the hydraulic chamber 23, so that the hydraulic oil in the hydraulic chamber 23 squeezes the limiting rod 24, and the limiting rod 24 drives the rotating ring 22 to rise, and the first grinding ring 14 rises with the rotating ring 22. After the first grinding ring 14 rises, the first grinding ring 14 is stuck on the surface of the friction ring 12, and the first grinding ring 14 rotates with the connecting rod 11. The second grinding ring 18 on the surface of the punching shaft 10 is supported on the top of the drilled hole, and the first grinding ring 14 is supported on the bottom of the drilled hole, so that the hole can be polished while drilling.

[0033] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A punching and grinding machine for axle pin processing, characterized in that: include: A support frame (1), wherein a base (3) is provided at the bottom of the support frame (1); A lifting rod (8), a driving motor (7) is arranged at the bottom of the lifting rod (8), a punching shaft (10) is arranged at the bottom of the driving motor (7), a plug-in hole (21) is arranged inside the punching shaft (10), a bottom rod (15) is arranged on the surface of the base (3), a first grinding ring (14) is arranged at the top of the bottom rod (15), and a plug-in rod (11) is arranged at the top of the first grinding ring (14); and a second grinding ring (18) is arranged at the bottom of the driving motor (7).

2. The punching and grinding machine for axle pin processing according to claim 1, characterized in that: The support frame (1) is fixed on the surface of a base (3), a vertical rod (2) is fixed on the surface of the base (3), a fixing ring (6) is fixed on the surface of the vertical rod (2), an axle pin (5) is inserted in the fixing ring (6), a fixing screw (4) is arranged on the surface of the fixing ring (6), the fixing screw (4) is screwed, and the end of the fixing screw (4) is supported on the surface of the axle pin (5), so that the axle pin (5) is fixed inside the fixing ring (6).

3. A punching and grinding machine for axle pin processing according to claim 2, characterized in that: The lifting rod (8) is located at the top of the support frame (1), and the lifting rod (8) can be lifted and lowered. A lifting drive device is arranged at the end of the lifting rod (8), and the lifting drive device drives the lifting rod (8) to be lifted and lowered. A driving motor (7) is fixed at the bottom of the lifting rod (8), and the driving motor (7) is lifted and lowered along with the lifting rod (8). A punching shaft (10) is arranged at the bottom of the driving motor (7), and the driving motor (7) can drive the punching shaft (10) to rotate.

4. The punching and grinding machine for axle pin processing according to claim 3, characterized in that: A limit strip (9) is fixed on the surface of the lifting rod (8), and the limit strip (9) is lifted and lowered along with the lifting rod (8). A sleeve ring (20) is fixed on the bottom of the driving motor (7), and an air chamber (19) is provided inside the sleeve ring (20). A second grinding ring (18) is fixed on the surface of the punching shaft (10), and the second grinding ring (18) rotates along with the punching shaft (10). An air pipe (16) is connected to the surface of the sleeve ring (20), and an end of the air pipe (16) is connected to an inflation component, and the inflation component allows air to enter the air chamber (19). A through hole (17) is provided on the surface of the punching shaft (10), and a plug hole (21) is provided inside the punching shaft (10), and the plug hole (21) is communicated with the through hole (17).

5. The punching and grinding machine for axle pin processing according to claim 4, characterized in that: A hydraulic chamber (23) is provided inside the bottom rod (15), the hydraulic chamber (23) is filled with hydraulic oil, a lifting rod (13) and a limiting rod (24) are inserted into the hydraulic chamber (23), the lifting rod (13) and the limiting rod (24) can be lifted and moved in the hydraulic chamber (23), a rotating ring (22) is fixed at the end of the limiting rod (24), and the rotating ring (22) is located on the surface of the first grinding ring (14).

6. The punching and grinding machine for axle pin processing according to claim 5, characterized in that: The rotating ring (22) can rotate on the surface of the first grinding ring (14); the lifting rod (13) is inserted into the interior of the first grinding ring (14); and the lifting rod (13) can be lifted and moved inside the first grinding ring (14).

7. The punching and grinding machine for axle pin processing according to claim 6, characterized in that: The end of the lifting rod (13) is plugged with a plug rod (11), the plug rod (11) can rotate at the end of the lifting rod (13), and a friction ring (12) is fixed on the surface of the plug rod (11), and the diameter of the friction ring (12) is larger than the diameter of the plug rod (11).

8. The punching and grinding machine for axle pin processing according to claim 7, characterized in that: The first grinding ring (14) can be lifted and lowered on the surface of the lifting rod (13); when the first grinding ring (14) moves to the surface of the friction ring (12), the friction ring (12) is stuck inside the first grinding ring (14), so that the first grinding ring (14) rotates along with the friction ring (12).

9. A punching and grinding machine for axle pin processing according to claim 8, characterized in that: When the punching shaft (10) descends, the plugging rod (11) is plugged into the plugging hole (21) inside the punching shaft (10), and the plugging rod (11) is supported on the inner wall of the plugging hole (21), so that the plugging rod (11) rotates along with the punching shaft (10).

10. The punching and grinding machine for axle pin processing according to claim 9, characterized in that: The end of the punching shaft (10) is supported on the surface of the shaft pin (5) to drill a hole on the surface of the shaft pin (5).

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