Inner hole punching device for torsional shock absorber
By designing a drilling device for the inner hole of a torsional damper that includes a top moving sleeve and three-axis movement, the problems of accuracy and low production efficiency caused by drill bit wobbling were solved, and high-precision and high-efficiency drilling was achieved.
Patent Information
- Application Number
- CN202520340012.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing torsional damper drilling devices are prone to shaking when the drill bit contacts the surface of the torsional damper, affecting drilling accuracy. Furthermore, frequent removal and placement of workpieces are required, resulting in low production efficiency.
A device comprising a base plate, a fixed seat, a threaded rod, a moving frame, a drilling assembly, and a motor was designed. By pressing the workpiece with a push sleeve, the device enables three-axis movement of the drill bit and automated drilling, ensuring positional accuracy and stability, and allowing multiple workpieces to be processed simultaneously.
It improves the accuracy and consistency of drilling, reduces errors, increases production efficiency, and shortens production time.
Smart Images
Figure CN223819690U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile part machining, in particular to a torsion damper inner hole punching device. BACKGROUND
[0002] At present, the dampers used in the large power diesel engines in the market are all silicon oil dampers, the silicon oil dampers absorb vibration energy by using the silicon oil damping, and have effects in the resonance point and non-resonance area. The conventional torsion dampers include rubber torsion dampers and silicon oil torsion dampers, and all have range limitations. Small power engines usually use rubber ones, and large power engines use silicon oil ones, but the super large engines such as ship engines need dampers with longer service life.
[0003] When the torsion damper is processed, the inner hole needs to be punched. In the prior art, the drill bit usually directly contacts the surface of the torsion damper when punching, and the rotation of the drill bit may cause the torsion damper to shake, thereby affecting the accuracy during punching. Moreover, the punched damper needs to be taken out and then the next damper is put in for punching operation, which greatly affects the efficiency during punching and causes slow production. In view of the above problems, the present application provides a torsion damper inner hole punching device to solve the above problems. SUMMARY
[0004] To solve the above technical problems, the present application provides a torsion damper inner hole punching device, which solves the above problems that the drill bit of the prior art usually directly contacts the surface of the torsion damper when punching, the rotation of the drill bit may cause the torsion damper to shake, thereby affecting the accuracy during punching, and the punched damper needs to be taken out and then the next damper is put in for punching operation, which greatly affects the efficiency during punching and causes slow production.
[0005] To achieve the above purposes, the technical scheme adopted by the present application is as follows: a torsion damper inner hole punching device, comprising a bottom plate, the bottom plate is fixedly connected with a fixed seat on the upper surface of the left and right sides of the rear side, a first threaded rod is rotatably connected between the two fixed seats on the rear side, a moving frame is threadedly connected to the surface of the first threaded rod, a fixed strip is fixedly connected to the upper surface of the left and right sides of the moving frame, two moving guide rails are fixedly connected to the upper surface of the two fixed strips, a moving plate is slidably connected to the upper surface of the two moving guide rails through a sliding block, an installation frame is fixedly connected to the upper surface of the moving plate, a second threaded rod is rotatably connected to the front side of the installation frame, a threaded seat is threadedly connected to the surface of the second threaded rod, a punching assembly is fixedly installed on the front side of the threaded seat, a connecting plate is fixedly connected to the rear side of the two fixed strips, an air cylinder is fixedly installed on the rear side of the connecting plate, and the output end of the air cylinder penetrates through the connecting plate and is fixedly connected with the bottom of the moving plate.
[0006] Preferably, the perforating assembly comprises a mounting plate fixedly connected to the front side of the threaded seat, a main shaft motor fixedly installed on the upper surface of the mounting plate, a transmission rod fixedly connected to the output end of the main shaft motor and penetrating through the upper surface of the mounting plate, and a drill bit detachably connected to the bottom end of the transmission rod.
[0007] Preferably, the mounting plate is provided with a sliding rod fixedly connected to each of the four corners of the bottom surface, a return spring sleeved on the surface of each of the four sliding rods, and a fixed plate fixedly connected to the lower end of each of the return springs.
[0008] Preferably, the fixed plate is provided with a jacking sleeve fixedly connected to each of the corresponding positions of the four sliding rods, and the bottom end of each of the sliding rods penetrates through the fixed plate and is slidably connected to the inside of each of the jacking sleeves.
[0009] Preferably, the front side of the moving frame is slidably connected to the first guide rod, the first motor is fixedly installed on the left side of the fixed seat, and the output end of the first motor penetrates through the left fixed seat and is fixedly connected to the left end of the first threaded rod.
[0010] Preferably, the front side of the mounting frame is fixedly connected to the left and right ends of the second guide rod, the threaded seat is slidably connected to the second guide rod, the second motor is fixedly installed on the top of the mounting frame, and the output end of the second motor penetrates through the upper side of the mounting frame and is fixedly connected to the upper end of the second threaded rod.
[0011] Preferably, the upper surface of the bottom plate is provided with at least three groups of positioning grooves.
[0012] Compared with the prior art, the perforating assembly has the following advantages:
[0013] When the perforating assembly moves downward, the jacking sleeve contacts the surface of the torsional damper before the drill bit, and the jacking sleeve is pressed against the periphery of the perforating position under the elastic force of the return spring, thereby reducing the possible deviation of the workpiece during the perforating process and ensuring the positional accuracy of the hole. Meanwhile, the pressing effect of the jacking sleeve can enhance the fixation of the material around the hole, reduce the influence of vibration on the hole position, and thus improve the quality and consistency of the perforating.
[0014] The utility model discloses a first motor drive first threaded rod rotation from left and right movement of movable frame, cylinder output end extension or retraction drive movable plate forward and backward movement, second motor drive second threaded rod rotation from up and down movement of punch assembly, and then realize three -axis movement of drill bit when punching, and the three -axis movement of drill bit allows accurate positioning and directional punching, adapts complex geometric shape, optimizes the position and angle of hole, thereby improving the overall function and performance of shock absorber.
[0015] The utility model discloses a plurality of positioning grooves can be placed simultaneously multiple torsional shock absorber, after finishing one torsional shock absorber, through first motor drive first threaded rod drive punch assembly moves to next torsional shock absorber and carries out punching, need not taking out the punch hole torsional shock absorber again and putting into the next to carry out punching, improve the efficiency when punching, shorten production time, promote overall productivity. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is structure schematic diagram of the utility model;
[0017] Fig. 2 It is structure schematic diagram of the utility model another visual angle;
[0018] Fig. 3 It is punch assembly structure schematic diagram in the utility model.
[0019] Marked number in the drawing is:
[0020] 1, bottom plate, 2, fixed seat, 3, first threaded rod, 4, movable frame, 5, fixed strip, 6, movable guide rail, 7, sliding block, 8, movable plate, 9, mounting frame, 10, second threaded rod, 11, threaded seat, 12, punch assembly, 1201, mounting plate, 1202, main shaft motor, 1203, transmission rod, 1204, drill bit, 1205, sliding rod, 1206, reset spring, 1207, fixed plate, 1208, jacking sleeve, 13, positioning groove, 14, first motor, 15, first guide rod, 16, second motor, 17, second guide rod, 18, connecting plate, 19, cylinder. DETAILED DESCRIPTION
[0021] The following description is used to disclose the utility model to enable the person skilled in the art to realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by the person skilled in the art.
[0022] Reference Figs. 1-3As shown, a kind of torsional damper inner hole punching device, including bottom plate 1, bottom plate 1 upper surface rear side left and right sides are all fixedly connected with fixed seat 2, first threaded rod 3 is rotatably connected between the rear side of the two fixed seats 2, moving frame 4 is screw-connected on the surface of first threaded rod 3, fixed strip 5 is fixedly connected on the upper surface left and right sides of moving frame 4, two fixed strips 5 are all fixedly connected with moving guide rail 6 above, moving plate 8 is slidably connected with sliding block 7 above two moving guide rails 6, mounting bracket 9 is fixedly connected with moving plate 8 above, second threaded rod 10 is rotatably connected with the front side middle part of mounting bracket 9, threaded seat 11 is screw-connected on the surface of second threaded rod 10, punching assembly 12 is fixedly installed on the front side of threaded seat 11, connecting plate 18 is fixedly connected with the rear side of two fixed strips 5, air cylinder 19 is fixedly installed on the rear side middle part of connecting plate 18, the output end of air cylinder 19 penetrates connecting plate 18 and is fixedly connected with the bottom of moving plate 8, air cylinder 19 is as the power source for driving moving plate 8 to move forward, with the advantages of fast response speed, large thrust and simple control.This design makes punching assembly 12 can quickly and accurately reach the punching position, improves work efficiency.
[0023] Specifically, punching assembly 12 includes mounting plate 1201, mounting plate 1201 is fixedly connected to the front side of threaded seat 11, main shaft motor 1202 is fixedly installed on the upper surface middle part of mounting plate 1201, the output end of main shaft motor 1202 penetrates the upper surface of mounting plate 1201 and is fixedly connected with transmission rod 1203, drill bit 1204 is detachably connected to the bottom end of transmission rod 1203, punching assembly 12 can be flexibly moved up and down through the thread cooperation of second threaded rod 10 and threaded seat 11, cooperate with main shaft motor 1202 to drive drill bit 1204 to rotate, realize the automation of punching.
[0024] Further, sliding rod 1205 is fixedly connected at the bottom surface four corner positions of mounting plate 1201, reset spring 1206 is sleeved on the surface of four sliding rods 1205, the upper end of reset spring 1206 is fixedly connected with the bottom surface of mounting plate 1201, fixed plate 1207 is fixedly connected to the lower end of reset spring 1206.
[0025] Preferably, top driving sleeve 1208 is fixedly connected at the corresponding position of the bottom of four sliding rods 1205, the bottom end of sliding rod 1205 penetrates through fixed plate 1207 and is slidably connected with the inside of top driving sleeve 1208, the sliding connection design of top driving sleeve 1208 and sliding rod 1205 not only guarantees the stability of fixed plate 1207 in the vertical direction, but also allows a certain flexibility to cope with the slight displacement in the punching process.
[0026] Further, the first guide rod 15 is fixedly connected to the front side between the two fixed seats 2, the front side of the moving frame 4 is slidably connected to the first guide rod 15, the first motor 14 is fixedly installed on the side surface of the left fixed seat 2, and the output end of the first motor 14 penetrates the left fixed seat 2 and is fixedly connected to the left end of the first threaded rod 3.
[0027] Further, the second guide rod 17 is fixedly connected to the left and right ends of the front side of the mounting frame 9, the threaded seat 11 is slidably connected to the second guide rod 17, the second motor 16 is fixedly installed on the top of the mounting frame 9, and the output end of the second motor 16 penetrates the top of the mounting frame 9 and is fixedly connected to the upper end of the second threaded rod 10.
[0028] Specifically, at least three groups of positioning grooves 13 are formed in the front side of the upper surface of the bottom plate 1, the positioning grooves 13 on the bottom plate 1 provide a convenient solution for the placement and fixation of the torsion damper, and the positioning grooves 13 can ensure the stability and accuracy of the torsion damper during the punching process, thereby reducing the punching errors caused by position deviation.
[0029] Working principle: in use, first, the torsion damper is placed in the positioning groove 13 and fixed by an external clamp, then the first motor 14 drives the first threaded rod 3 to rotate, and through the threaded cooperation, the moving frame 4 moves left and right, when it moves to the position of the first positioning groove 13 on the left side, the output end of the air cylinder 19 is elongated to push the moving plate 8 to move forward, so that the drill bit 1204 is located directly above the position where the punching is needed, then the second motor 16 drives the second threaded rod 10 to rotate, and through the threaded cooperation, the threaded seat 11 drives the punching assembly 12 to move downward, when moving downward, the knock sleeve 1208 contacts the surface of the torsion damper earlier than the drill bit 1204, under the elastic force of the return spring 1206, the knock sleeve 1208 will press the surrounding of the punching position, so that the torsion damper will not shake due to the rotation of the drill bit 1204 during punching, the main shaft motor 1202 drives the transmission rod 1203 to drive the drill bit 1204 to rotate, so as to punch the torsion damper, when the punching of the torsion damper is completed, the drill bit 1204 is lifted, the first motor 14 drives the first threaded rod 3 to rotate, so that the punching assembly 12 moves to the lower positioning groove 13 for punching.
[0030] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope required by the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for drilling the inner hole of a torsional damper, characterized in that: The base plate (1) is fixedly connected to two fixed seats (2) on the left and right sides of the rear side of the upper surface of the base plate (1). A first threaded rod (3) is rotatably connected between the two fixed seats (2) on the rear side. A movable frame (4) is threadedly connected to the surface of the first threaded rod (3). Fixed bars (5) are fixedly connected to the left and right sides of the upper surface of the movable frame (4). Movable guide rails (6) are fixedly connected above the two fixed bars (5). A movable plate (8) is slidably connected above the two movable guide rails (6) through a sliding block (7). A fixed plate (8) is fixed above the movable plate (8). A mounting bracket (9) is connected to the mounting bracket (9). A second threaded rod (10) is rotatably connected to the middle of the front side of the mounting bracket (9). A threaded seat (11) is threadedly connected to the surface of the second threaded rod (10). A drilling assembly (12) is fixedly installed on the front side of the threaded seat (11). A connecting plate (18) is fixedly connected to the rear side of the two fixing strips (5). A cylinder (19) is fixedly installed in the middle of the rear side of the connecting plate (18). The output end of the cylinder (19) passes through the connecting plate (18) and is fixedly connected to the bottom of the moving plate (8).
2. The device for drilling the inner hole of a torsional damper according to claim 1, characterized in that: The drilling assembly (12) includes a mounting plate (1201), which is fixedly connected to the front side of the threaded seat (11). A spindle motor (1202) is fixedly installed in the middle of the upper surface of the mounting plate (1201). The output end of the spindle motor (1202) passes through the upper surface of the mounting plate (1201) and is fixedly connected to a transmission rod (1203). A drill bit (1204) is detachably connected to the bottom end of the transmission rod (1203).
3. The device for drilling the inner hole of a torsional damper according to claim 2, characterized in that: Sliding rods (1205) are fixedly connected to the four corners of the bottom surface of the mounting plate (1201). A return spring (1206) is sleeved on the surface of each of the four sliding rods (1205). The upper end of the return spring (1206) is fixedly connected to the bottom surface of the mounting plate (1201), and the lower end of the return spring (1206) is fixedly connected to a fixing plate (1207).
4. The device for drilling the inner hole of a torsional damper according to claim 3, characterized in that: The bottom of the fixed plate (1207) is fixedly connected to the corresponding positions of the four sliding rods (1205) with the top moving sleeve (1208). The bottom end of the sliding rod (1205) passes through the fixed plate (1207) and is slidably connected to the inside of the top moving sleeve (1208).
5. The device for drilling the inner hole of a torsional damper according to claim 1, characterized in that: A first guide rod (15) is fixedly connected to the front side between the two fixed seats (2). The front side of the movable frame (4) is slidably connected to the first guide rod (15). A first motor (14) is fixedly installed on the side of the fixed seat (2) on the left side. The output end of the first motor (14) passes through the left fixed seat (2) and is fixedly connected to the left end of the first threaded rod (3).
6. The device for drilling the inner hole of a torsional damper according to claim 1, characterized in that: The front side of the mounting bracket (9) and the left and right ends of the second threaded rod (10) are fixedly connected to the second guide rod (17). The threaded seat (11) is slidably connected to the second guide rod (17). The top of the mounting bracket (9) is fixedly installed with the second motor (16). The output end of the second motor (16) passes through the top of the mounting bracket (9) and is fixedly connected to the upper end of the second threaded rod (10).
7. The device for drilling the inner hole of a torsional damper according to claim 1, characterized in that: At least three sets of positioning grooves (13) are provided on the front side of the upper surface of the base plate (1).