CN218927192U - Pin shaft hole inner wall polishing device - Google Patents
Pin shaft hole inner wall polishing device Download PDFInfo
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- CN218927192U CN218927192U CN202223243667.3U CN202223243667U CN218927192U CN 218927192 U CN218927192 U CN 218927192U CN 202223243667 U CN202223243667 U CN 202223243667U CN 218927192 U CN218927192 U CN 218927192U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a pin shaft hole inner wall polishing device which comprises a workbench, a rotary clamping disc, a polishing device, a stepping motor and a dust collecting drawer, wherein the rotary clamping disc is arranged on the workbench; the rotating clamping disc comprises a rotating disc, a movable shaft, a group of workpiece grooves, a group of clamping clamps, driven teeth and a group of sliding blocks, wherein the rotating disc is arranged above the workbench and connected with the workbench through the movable shaft, the workpiece grooves are circumferentially arranged on the rotating disc at intervals, the clamping clamps are arranged above the workpiece grooves, the driven teeth are circumferentially arranged on the outer side of the lower surface of the rotating disc, and the sliding blocks are relatively arranged on the rotating disc on the inner side of the driven teeth at intervals. The pin shaft hole polishing device is convenient to operate, stable in clamping, capable of rapidly polishing the pin shaft hole, capable of improving polishing accuracy, capable of guaranteeing quality of the pin shaft hole, further capable of improving production efficiency, capable of reducing defective products and capable of saving cost.
Description
Technical Field
The utility model belongs to the field of pin shaft manufacturing, and particularly relates to a pin shaft hole inner wall polishing device.
Background
The pin shaft is used as a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach. In the use process of the pin shaft, if the pin shaft needs to be kept fixed in the hole, a hole needs to be formed in the pin shaft for installing the bolt to enable the pin shaft to be relatively fixed in the hole. In actual use, if flaws such as uneven burrs exist in the through hole on the pin shaft, the flaws will affect the insertion of the pin, and thus the pin shaft cannot be quickly fixed, and even is blocked in the hole and cannot be taken out. Therefore, flaws in the pin shaft should be polished and removed, and the pin shaft has large production capacity, such as the patent of CN202123384952.2, and the like, so that the operations for removing flaws in holes of the pin shaft are complicated, the speed is low, and the production efficiency is greatly reduced.
Disclosure of Invention
The utility model aims to: in order to overcome the defects, the utility model aims to provide the polishing device for the inner wall of the pin shaft hole, which has the advantages of simple structure, convenience in operation, stability in clamping, improvement of polishing accuracy, guarantee of the quality of the pin shaft hole, improvement of production efficiency and cost saving.
The technical scheme is as follows: in order to achieve the above purpose, the utility model provides a polishing device for the inner wall of a pin shaft hole, which comprises a workbench, a rotary clamping disc, a polishing device, a stepping motor and a dust collecting drawer, wherein the rotary clamping disc is arranged on the workbench, the polishing device and the stepping motor are oppositely arranged on the workbench at two sides of the rotary clamping disc and are fixedly connected with the workbench, and the dust collecting drawer is arranged at the lower side of the workbench;
the rotary clamping disc comprises a rotary disc, a movable shaft, a group of workpiece grooves, a group of clips, driven teeth and a group of sliding blocks, wherein the rotary disc is arranged above the workbench and connected with the workbench through the movable shaft, the workpiece grooves are circumferentially spaced on the rotary disc, the clips are arranged above the workpiece grooves and fixedly connected with the rotary disc, the driven teeth are circumferentially arranged on the outer side of the lower surface of the rotary disc, and the sliding blocks are relatively spaced on the rotary disc on the inner side of the driven teeth. The pin shaft hole polishing device is simple in structure, reasonable in design, convenient to operate and stable in clamping, can polish the pin shaft hole rapidly, improves polishing accuracy, ensures quality of the pin shaft hole, further improves production efficiency, reduces defective products and saves cost.
Further, the workbench comprises a table top, a group of supporting columns, a group of chip falling holes, a group of clamping plates and an annular track, wherein the supporting columns are arranged at four corners of the lower surface of the table top and are fixedly connected with the table top, the chip falling holes are circumferentially arranged on the table top at intervals outside the movable shaft, the clamping plates are oppositely arranged on the lower surface of the table top and are positioned at two sides of the chip falling holes, the dust collecting drawer is connected with the table top through the clamping plates, and the annular track is arranged on the table top outside the chip falling holes and is fixedly connected with the table top. The workbench can stably support and rotate the clamping chuck, so that the workbench can rotate more stably, the polishing stability is improved, and the convenience for collecting polishing scraps is improved.
Further, grinding device includes frame, pneumatic cylinder, hydraulic stem, connecting plate, mount, motor, the axle of polishing, the frame is located on the mesa, and with mesa fixed connection, the pneumatic cylinder is located in the frame, and is located the rolling disc top, the pneumatic cylinder passes through fixed plate and frame fixed connection, the pneumatic cylinder output is located to the hydraulic stem, and is connected with the mount through the connecting plate, the motor is located in the mount, and with mount fixed connection, the motor output is located to the axle of polishing. The polishing device can rapidly remove burrs and the like in the pin shaft hole, ensure the quality of the pin shaft hole and improve the polishing efficiency and accuracy.
Further, the polishing shaft comprises a connecting part, a polishing part and a guiding part, wherein the connecting part, the polishing part and the guiding part are integrally formed, the connecting part and the guiding part are arranged at two ends of the polishing part, and the polishing part is connected with the output end of the motor through the connecting part. The polishing accuracy is improved by the design of the polishing shaft, and damage to the pin shaft caused by polishing during misalignment is avoided.
Further, a reference hole is formed in the workpiece groove, the reference hole is formed in one end, close to the middle of the rotating disc, of the workpiece groove, and the polishing shaft is located above the reference hole and matched with the reference hole. The reference hole enables the pin shaft to be installed more accurately and conveniently.
Further, a driving gear is arranged on a rotating shaft at the output end of the stepping motor, and the driving gear is matched with driven teeth on the rotating disc. The stepping motor can enable the rotating clamping disc to stably rotate, so that polishing efficiency and polishing accuracy are improved.
Further, the sliding block is internally provided with balls, and the sliding block is matched with the arc-shaped groove on the annular track through the balls. The sliding block can enable the rotating disc to stably rotate, so that polishing convenience is improved, and production efficiency is effectively improved.
Further, the clamping includes arc clamp, hinge, a set of fixed block, bolt, the arc clamp is located work piece groove middle part, the both sides of arc clamp one end are located to the fixed block, and with rolling disc fixed connection, arc clamp one end is connected with the rolling disc through the hinge, and its other end passes through the bolt and is connected with the fixed block. The pin shaft can be stably clamped in the workpiece groove by the clamping clamp, so that the clamping is stable, and the polishing accuracy and quality are improved.
The technical scheme can be seen that the utility model has the following beneficial effects:
1. the pin shaft hole inner wall polishing device is simple in structure, reasonable in design, convenient to operate and stable in clamping, and can be used for rapidly polishing the pin shaft hole, so that the polishing accuracy is improved, the quality of the pin shaft hole is ensured, the production efficiency is further improved, the production of defective products is reduced, and the cost is saved.
2. According to the pin shaft hole inner wall polishing device, the workbench can stably support the rotary clamping chuck, so that the rotary clamping chuck can rotate more stably, the polishing stability is improved, and the convenience for collecting polishing scraps is improved. The reference hole enables the pin shaft to be installed more accurately and conveniently.
3. According to the polishing device for the inner wall of the pin shaft hole, burrs and the like in the pin shaft hole can be removed rapidly, the quality of the pin shaft hole is guaranteed, and the polishing efficiency and accuracy are improved. The polishing accuracy is improved by the design of the polishing shaft, and damage to the pin shaft caused by polishing during misalignment is avoided.
4. According to the pin shaft hole inner wall polishing device, the stepping motor can enable the rotary clamping disc to stably rotate, and polishing efficiency and accuracy are improved. The sliding block can enable the rotating disc to stably rotate, so that polishing convenience is improved, and production efficiency is effectively improved. The pin shaft can be stably clamped in the workpiece groove by the clamping clamp, so that the clamping is stable, and the polishing accuracy and quality are improved.
Drawings
FIG. 1 is a schematic structural view of a polishing device for the inner wall of a pin hole according to the present utility model;
FIG. 2 is a cross-sectional view of a pin hole inner wall polishing device according to the present utility model;
FIG. 3 is a top view of the pin hole inner wall polishing device according to the present utility model;
FIG. 4 is a schematic view of a polishing shaft of the polishing device for the inner wall of a pin hole according to the present utility model;
FIG. 5 is a schematic diagram of a sliding block of the polishing device for the inner wall of the pin hole according to the present utility model;
FIG. 6 is a schematic view of a pin hole inner wall polishing device according to the present utility model;
in the figure: the polishing machine comprises a workbench 1, a rotary chuck 2, a polishing device 3, a stepping motor 4, a dust collecting drawer 5, a table top 10, a supporting column 11, a dust falling hole 12, a clamping plate 13, an annular track 14, a rotary disc 20, a movable shaft 21, a workpiece groove 22, a clamping 23, driven teeth 24, a sliding block 25, a reference hole 26, a ball 27, an arc groove 28, a frame 30, a hydraulic cylinder 31, a hydraulic rod 32, a connecting plate 33, a fixing frame 34, a motor 35, a polishing shaft 36, a driving gear 40, an arc clamp 230, a hinge 231, a fixed block 232, a plug 233, a connecting part 360, a polishing part 361 and a guide part 362.
Detailed Description
The utility model is further elucidated below in connection with the drawings and the specific embodiments.
Example 1
As shown in fig. 1-6, the polishing device for the inner wall of the pin shaft hole in the embodiment comprises a workbench 1, a rotary chuck 2, a polishing device 3, a stepping motor 4 and a dust collection drawer 5, wherein the rotary chuck 2 is arranged on the workbench 1, the polishing device 3 and the stepping motor 4 are oppositely arranged on the workbench 1 at two sides of the rotary chuck 2 and are fixedly connected with the workbench 1, and the dust collection drawer 5 is arranged at the lower side of the workbench 1;
the rotary chuck 2 comprises a rotary disc 20, a movable shaft 21, a group of workpiece grooves 22, a group of clamping 23, driven teeth 24 and a group of sliding blocks 25, wherein the rotary disc 20 is arranged above the workbench 1 and is connected with the workbench 1 through the movable shaft 21, the workpiece grooves 22 are circumferentially arranged on the rotary disc 20 at intervals, the clamping 23 is arranged above the workpiece grooves 22 and is fixedly connected with the rotary disc 20, the driven teeth 24 are circumferentially arranged on the outer side of the lower surface of the rotary disc 20, and the sliding blocks 25 are relatively arranged on the rotary disc 20 on the inner side of the driven teeth 24 at intervals.
In this embodiment, the workbench 1 includes a table top 10, a set of support posts 11, a set of chip falling holes 12, a set of clamping plates 13, and an annular track 14, the support posts 11 are disposed at four corners of the lower surface of the table top 10 and are fixedly connected with the table top 10, the chip falling holes 12 are circumferentially spaced on the table top 10 outside the movable shaft 21, the clamping plates 13 are disposed on the lower surface of the table top 10 relatively and are located at two sides of the chip falling holes 12, the dust collecting drawer 5 is connected with the table top 10 through the clamping plates 13, and the annular track 14 is disposed on the table top 10 outside the chip falling holes 12 and is fixedly connected with the table top 10.
In this embodiment, the polishing device 3 includes a frame 30, a hydraulic cylinder 31, a hydraulic rod 32, a connecting plate 33, a fixing frame 34, a motor 35, and a polishing shaft 36, where the frame 30 is disposed on the table top 10 and fixedly connected with the table top 10, the hydraulic cylinder 31 is disposed on the frame 30 and located above the rotating disc 20, the hydraulic cylinder 31 is fixedly connected with the frame 30 through a fixing plate, the hydraulic rod 32 is disposed at an output end of the hydraulic cylinder 31 and connected with the fixing frame 34 through the connecting plate 33, the motor 35 is disposed in the fixing frame 34 and fixedly connected with the fixing frame 34, and the polishing shaft 36 is disposed at an output end of the motor 35.
In this embodiment, the polishing shaft 36 includes a connection portion 360, a polishing portion 361, and a guiding portion 362, where the connection portion 360, the polishing portion 361, and the guiding portion 362 are integrally formed, the connection portion 360 and the guiding portion 362 are disposed at two ends of the polishing portion 361, and the polishing portion 361 is connected with the output end of the motor 35 through the connection portion 360.
In this embodiment, a driving gear 40 is disposed on a rotating shaft at the output end of the stepper motor 4, and the driving gear 40 is matched with the driven teeth 24 on the rotating disc.
In this embodiment, the sliding block 25 is provided with a ball 27, and the sliding block 25 is matched with an arc-shaped groove 28 on the annular track 14 through the ball 27.
Example 2
In this embodiment, a reference hole 26 is provided in the workpiece groove 22, the reference hole 26 is located at one end of the workpiece groove 22 near the middle of the rotating disc 20, and the polishing shaft 36 is located above the reference hole 26 and is matched with the reference hole 26.
In this embodiment, the clip 23 includes an arc clip 230, a hinge 231, a set of fixing blocks 232, and a latch 233, where the arc clip 230 is disposed in the middle of the workpiece slot 22, the fixing blocks 232 are disposed on two sides of one end of the arc clip 230 and fixedly connected with the rotating disc 20, one end of the arc clip 230 is connected with the rotating disc 20 through the hinge 231, and the other end is connected with the fixing blocks 232 through the latch 233.
When the polishing device is used, firstly, a pin shaft hole to be polished is placed in a workpiece groove 22, the pin shaft holes are aligned with a reference hole 26, then an arc clamp 230 is closed, a bolt 233 is inserted, polishing is started after the pin shafts are placed and fixed, a polishing device 3 is started, a motor 35 drives a polishing shaft 36 to rotate, a hydraulic cylinder 31 pressurizes a hydraulic rod 32, the hydraulic rod 32 enables the motor 35 to move downwards together with the polishing shaft 36, a guide part 362 and a polishing part 361 of the polishing shaft 36 sequentially enter the pin shaft holes, the hydraulic cylinder 31 releases pressure after the polishing of the inner wall of the pin shaft hole is completed, the hydraulic rod 32 returns to the original position, a stepping motor 4 runs and drives a driving gear 40 to rotate, the driving gear 40 enables a rotating disc 20 to rotate by a certain angle, after the other pin shaft is moved below the polishing device 3, the stepping motor 4 stops rotating, then the polishing process is repeated, and after the polishing work is completed, the bolt 233 is taken out, the arc clamp 230 can be opened, and a finished product is taken out conveniently and quickly.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a round pin downthehole wall grinding device which characterized in that: the automatic dust collecting device comprises a workbench (1), a rotary clamping disc (2), a polishing device (3), a stepping motor (4) and a dust collecting drawer (5), wherein the rotary clamping disc (2) is arranged on the workbench (1), the polishing device (3) and the stepping motor (4) are oppositely arranged on the workbench (1) at two sides of the rotary clamping disc (2), and are fixedly connected with the workbench (1), and the dust collecting drawer (5) is arranged at the lower side of the workbench (1);
the rotary clamping disc (2) comprises a rotary disc (20), a movable shaft (21), a group of workpiece grooves (22), a group of clamping clips (23), driven teeth (24) and a group of sliding blocks (25), wherein the rotary disc (20) is arranged above the workbench (1) and is connected with the workbench (1) through the movable shaft (21), the workpiece grooves (22) are circumferentially arranged on the rotary disc (20) at intervals, the clamping clips (23) are arranged above the workpiece grooves (22) and are fixedly connected with the rotary disc (20), the driven teeth (24) are circumferentially arranged on the outer side of the lower surface of the rotary disc (20), and the sliding blocks (25) are relatively arranged on the rotary disc (20) on the inner side of the driven teeth (24) at intervals.
2. The pin hole inner wall polishing device according to claim 1, wherein: the workbench (1) comprises a table top (10), a group of support posts (11), a group of scrap falling holes (12), a group of clamping plates (13) and an annular track (14), wherein the support posts (11) are arranged at four corners of the lower surface of the table top (10) and are fixedly connected with the table top (10), the scrap falling holes (12) are circumferentially arranged on the table top (10) outside a movable shaft (21) at intervals, the clamping plates (13) are oppositely arranged on the lower surface of the table top (10) and are positioned on two sides of the scrap falling holes (12), the dust collecting drawer (5) is connected with the table top (10) through the clamping plates (13), and the annular track (14) is arranged on the table top (10) outside the scrap falling holes (12) and is fixedly connected with the table top (10).
3. The pin hole inner wall polishing device according to claim 2, wherein: grinding device (3) are including frame (30), pneumatic cylinder (31), hydraulic stem (32), connecting plate (33), mount (34), motor (35), polishing axle (36), frame (30) are located on mesa (10), and with mesa (10) fixed connection, pneumatic cylinder (31) are located on frame (30), and are located rolling disc (20) top, pneumatic cylinder (31) are through fixed plate and frame (30) fixed connection, pneumatic cylinder (31) output is located to hydraulic stem (32), and are connected with mount (34) through connecting plate (33), motor (35) are located in mount (34), and with mount (34) fixed connection, motor (35) output is located to polishing axle (36).
4. A pin hole inner wall grinding apparatus according to claim 3, wherein: the polishing shaft (36) comprises a connecting portion (360), a polishing portion (361) and a guiding portion (362), wherein the connecting portion (360), the polishing portion (361) and the guiding portion (362) are integrally formed, the connecting portion (360) and the guiding portion (362) are arranged at two ends of the polishing portion (361), and the polishing portion (361) is connected with the output end of the motor (35) through the connecting portion (360).
5. A pin hole inner wall grinding apparatus according to claim 3, wherein: the workpiece groove (22) is internally provided with a reference hole (26), the reference hole (26) is positioned at one end of the workpiece groove (22) close to the middle of the rotating disc (20), and the polishing shaft (36) is positioned above the reference hole (26) and is matched with the reference hole (26).
6. The pin hole inner wall polishing device according to claim 1, wherein: a driving gear (40) is arranged on a rotating shaft at the output end of the stepping motor (4), and the driving gear (40) is matched with driven teeth (24) on the rotating disc.
7. The pin hole inner wall polishing device according to claim 1, wherein: the sliding block (25) is internally provided with a ball (27), and the sliding block (25) is matched with an arc-shaped groove (28) on the annular track (14) through the ball (27).
8. The pin hole inner wall polishing device according to claim 1, wherein: the clamp (23) comprises an arc clamp (230), a hinge (231), a group of fixing blocks (232) and a bolt (233), wherein the arc clamp (230) is arranged in the middle of a workpiece groove (22), the fixing blocks (232) are arranged on two sides of one end of the arc clamp (230) and fixedly connected with a rotating disc (20), one end of the arc clamp (230) is connected with the rotating disc (20) through the hinge (231), and the other end of the arc clamp is connected with the fixing blocks (232) through the bolt (233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223243667.3U CN218927192U (en) | 2022-12-05 | 2022-12-05 | Pin shaft hole inner wall polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223243667.3U CN218927192U (en) | 2022-12-05 | 2022-12-05 | Pin shaft hole inner wall polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218927192U true CN218927192U (en) | 2023-04-28 |
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ID=86088434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223243667.3U Active CN218927192U (en) | 2022-12-05 | 2022-12-05 | Pin shaft hole inner wall polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218927192U (en) |
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2022
- 2022-12-05 CN CN202223243667.3U patent/CN218927192U/en active Active
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