A punch former grinding needle damping device

Abstract

The utility model discloses a punch former grinding needle shock absorbing device, including a fixed bracket, a floating rod, and a floating support platform. The fixed bracket is provided with a hollow cavity, the bottom of the floating rod is fitted in the hollow cavity of the fixed bracket, a spring is provided between the bottom of the floating rod and the bottom of the hollow cavity of the fixed bracket, the top of the floating rod protrudes upward from the fixed bracket, and the floating support platform is installed on the top of the floating rod. During the grinding process, the grinding wheel acts on the core for grinding, and the shock absorbing device of the present design acts under the core to provide support for the grinding process, the floating rod reciprocates relative to the fixed bracket, and the spring provides the floating rod with power for reciprocating motion. In this way, the vibration of the core is buffered to avoid the scrapping of the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding, in particular to a workpiece supporting device. Background Art

[0002] When grinding an extended core on a surface grinder, the core is prone to vibrate and the tool jumps, causing the workpiece to be scrapped. Utility Model Content

[0003] The utility model solves the technical problem that when a surface grinder grinds an elongated core, the core is prone to vibrate and the cutter jumps, causing the workpiece to be scrapped.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a punch former grinding needle shock absorbing device, comprising a fixed bracket, a floating rod, and a floating support platform, the fixed bracket is provided with a hollow cavity, the bottom of the floating rod is engaged in the hollow cavity of the fixed bracket, a spring is provided between the bottom of the floating rod and the bottom of the hollow cavity of the fixed bracket, the top of the floating rod protrudes upward from the fixed bracket, and the floating support platform is installed on the top of the floating rod.

[0005] During the grinding process, the grinding wheel acts on the core to perform grinding, while the shock absorbing device of the utility model acts under the core to provide support for the grinding process. The shock absorbing device of the utility model provides floating support for the extended core, the floating rod reciprocates relative to the fixed bracket, and the spring provides the floating rod with power for reciprocating motion. In this way, the vibration of the core is buffered to avoid the scrapping of the workpiece.

[0006] The bottom of the floating rod is provided with a piston structure, and the piston structure is provided with a lower boss, which makes the piston structure have a step, and the top end of the spring presses on the step. The boss goes deep into the spring, which is conducive to the stability of the spring.

[0007] A fixed plate and a movable plate are provided at the bottom of the hollow cavity of the fixed bracket. The movable plate is located above the fixed plate. The bottom end of the spring abuts against the movable plate. A screw is pivotally connected to the fixed plate. A threaded hole is provided on the movable plate. The screw is screwed to the threaded hole. A wrench hole is provided at the bottom of the screw. Workers use a wrench to turn the screw from the bottom of the fixed bracket. The screw drives the movable plate to rise and fall along the hollow cavity of the fixed bracket. The spring, floating rod and floating support platform rise and fall accordingly. In this way, the height of the floating support platform can be adjusted to adapt to the grinding of workpieces of different weights.

[0008] A guide groove is arranged on the inner side wall of the hollow cavity of the fixed bracket, and a convex part is arranged on the edge of the movable plate, and the convex part is matched with the guide groove.

[0009] A sinking structure is provided at the bottom of the fixing bracket, the fixing plate is matched in the sinking structure, and the fixing plate is fixed to the fixing bracket through a threaded connector.

[0010] The screw is pivotally connected to the fixed plate through a bearing. A limiting ring is provided on the screw to abut against the bearing. The limiting ring is fixedly connected to the screw to prevent axial displacement of the screw relative to the fixed plate.

[0011] A base is fixed at the bottom of the fixed bracket, and a through hole is provided in the base, and the through hole is aligned with the screw rod up and down. The through hole allows a wrench to pass through the base to screw the screw rod.

[0012] The bottom end of the floating rod is provided with a clearance hole, which is aligned with the screw rod up and down. When the spring is compressed to a large extent, the top end of the screw rod can extend into the clearance hole.

[0013] A guide sleeve is provided between the floating rod and the fixed bracket, which guides the lifting and lowering of the floating rod, thereby stabilizing the floating support platform.

[0014] The floating support platform is detachably connected to the floating rod. As an option, the floating support platform is screwed on the floating rod, so that different floating support platforms can be replaced to adapt to different workpiece grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] Figure 1 This is a front view of the punch former grinding needle damping device;

[0017] Figure 2 for Figure 1 Bottom view of

[0018] Figure 3 for Figure 1 Right view of;

[0019] Figure 4 for Figure 1 A top view of

[0020] Figure 5 for Figure 3 AA section view;

[0021] Figure 6 for Figure 5 A partial schematic diagram of the fixing bracket 10;

[0022] Figure 7 is a schematic diagram of the movable plate 60;

[0023] Figure 8 is a schematic diagram of the fixing plate 50 .

[0024] Explanation of symbols in the figure:

[0025] 10. Fixed bracket; 11. Hollow cavity; 12. Guide groove; 13. Sinking structure;

[0026] 20. Floating rod; 21. Piston structure; 22. Lower boss; 23. Step; 24. Clearance hole; 25. Guide sleeve;

[0027] 30. Floating support platform;

[0028] 40. Spring;

[0029] 50. fixing plate; 51. threaded connector;

[0030] 60. movable plate; 61. threaded hole; 62. convex part;

[0031] 70. Screw rod; 71. Wrench hole; 72. Bearing; 73. Limit ring;

[0032] 80. base; 81. through hole. DETAILED DESCRIPTION

[0033] like Figure 5 A punch former grinding needle shock absorbing device comprises a fixed bracket 10, a floating rod 20, and a floating support platform 30. The fixed bracket is provided with a hollow cavity 11. The bottom of the floating rod is fitted in the hollow cavity of the fixed bracket. A spring 40 is provided between the bottom of the floating rod and the bottom of the hollow cavity of the fixed bracket. The top of the floating rod protrudes upward from the fixed bracket. The floating support platform is installed on the top of the floating rod.

[0034] During the grinding process, the grinding wheel acts on the core to perform grinding, while the shock absorbing device of the utility model acts under the core to provide support for the grinding process. The shock absorbing device of the utility model provides floating support for the extended core, the floating rod 20 reciprocates relative to the fixed bracket 10, and the spring 40 provides the floating rod 20 with power for reciprocating motion. In this way, the vibration of the core is buffered to avoid the scrapping of the workpiece.

[0035] The bottom of the floating rod 20 is provided with a piston structure 21, which is provided with a lower boss 22. The lower boss provides the piston structure with a step 23, on which the top of the spring 40 is pressed. The lower boss 22 is deeply inserted into the spring 40, which is conducive to the stability of the spring.

[0036] Combination Figures 5 to 8The bottom of the hollow cavity 11 of the fixed bracket 10 is provided with a fixed plate 50 and a movable plate 60, the movable plate is located above the fixed plate, the bottom end of the spring 40 abuts against the movable plate, a screw rod 70 is pivotally connected to the fixed plate, a threaded hole 61 is provided on the movable plate, the screw rod is screwed to the threaded hole, and a wrench hole 71 is provided at the bottom end of the screw rod. The worker uses a wrench to rotate the screw rod 70 from the bottom of the fixed bracket 10, and the screw rod drives the movable plate 60 to rise and fall along the hollow cavity of the fixed bracket 10, and the spring 40, the floating rod 20 and the floating support platform 30 rise and fall accordingly. In this way, the height of the floating support platform 30 can be adjusted to adapt to the grinding of workpieces of different weights.

[0037] A guide groove 12 is provided on the inner side wall of the hollow cavity 11 of the fixed bracket 10 , and a convex portion 62 is provided on the edge of the movable plate 60 , and the convex portion cooperates with the guide groove.

[0038] like Figure 6 A sinking structure 13 is provided at the bottom of the fixing bracket 10 , and a fixing plate 50 is fitted in the sinking structure. The fixing plate is fixed to the fixing bracket through a threaded connector 51 .

[0039] The screw rod 70 is pivotally connected to the fixing plate 50 through a bearing 72, and a stop ring 73 is provided on the screw rod to abut against the bearing. The stop ring 73 is fixedly connected to the screw rod 70 to prevent the screw rod 70 from axially displacing relative to the fixing plate 50.

[0040] like Figure 5 A base 80 is fixed to the bottom of the fixed bracket 10, and a through hole 81 is provided on the base, and the through hole is aligned with the screw rod 70 up and down. The through hole 81 allows a wrench to pass through the base 80 and screw the screw rod 70.

[0041] The bottom end of the floating rod 20 is provided with a clearance hole 24, which is aligned with the screw rod 70 up and down. When the compression amount of the spring 40 is large, the top end of the screw rod 70 can extend into the clearance hole 24.

[0042] A guide sleeve 25 is provided between the floating rod 20 and the fixed support 10. The guide sleeve 25 guides the lifting and lowering of the floating rod 20, which is beneficial to the stability of the floating support platform 30.

[0043] The floating support platform 30 is detachably connected to the floating rod 20. The floating support platform 30 is screwed onto the floating rod 20, so that different floating support platforms 30 can be replaced to adapt to different workpiece grinding.

[0044] The above contents are only preferred implementation modes of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation mode and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A punch former grinding needle damping device, comprising a fixed bracket (10), a floating rod (20), and a floating support platform (30), characterized in that: The fixed bracket is provided with a hollow cavity (11), the bottom of the floating rod is fitted in the hollow cavity of the fixed bracket, a spring (40) is provided between the bottom of the floating rod and the bottom of the hollow cavity of the fixed bracket, the top of the floating rod protrudes upward from the fixed bracket, and the floating support platform is installed on the top of the floating rod.

2. The punch former grinding needle damping device according to claim 1, characterized in that: A piston structure (21) is arranged at the bottom of the floating rod (20), and the piston structure is provided with a lower boss (22). The lower boss makes the piston structure have a step (23), and the top end of the spring (40) presses against the step.

3. The punch former grinding needle damping device according to claim 1, characterized in that: A fixed plate (50) and a movable plate (60) are provided at the bottom of the hollow cavity (11) of the fixed bracket (10), the movable plate is located above the fixed plate, the bottom end of the spring (40) abuts against the movable plate, a screw rod (70) is pivotally connected to the fixed plate, a threaded hole (61) is provided on the movable plate, the screw rod is screwed to the threaded hole, and a wrench hole (71) is provided at the bottom end of the screw rod.

4. The punch former grinding needle damping device according to claim 3, characterized in that: A guide groove (12) is provided on the inner side wall of the hollow cavity (11) of the fixed bracket (10), and a convex portion (62) is provided on the edge of the movable plate (60), and the convex portion cooperates with the guide groove.

5. The punch former grinding needle damping device according to claim 3, characterized in that: A sinking structure (13) is provided at the bottom of the fixing bracket (10), and a fixing plate (50) is fitted in the sinking structure. The fixing plate is fixed to the fixing bracket via a threaded connector (51).

6. The punch former grinding needle damping device according to claim 3, characterized in that: The screw rod (70) is pivotally connected to the fixed plate (50) via a bearing (72), and a limiting ring (73) is provided on the screw rod to abut against the bearing.

7. The punch former grinding needle damping device according to claim 3, characterized in that: A base (80) is fixed to the bottom of the fixed bracket (10), and a through hole (81) is provided in the base, and the through hole is aligned with the screw rod (70) in the vertical direction.

8. The punch former grinding needle damping device according to claim 3, characterized in that: The bottom end of the floating rod (20) is provided with a clearance hole (24), and the clearance hole is aligned with the screw rod (70) in the upper and lower directions.

9. The punch former grinding needle damping device according to claim 1, characterized in that: A guide sleeve (25) is provided between the floating rod (20) and the fixed bracket (10).

10. The punch former grinding needle damping device according to claim 1, characterized in that: The floating support platform (30) is detachably connected to the floating rod (20).

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