CN107962145B - Automatic adsorption device for scrap iron of shock absorber - Google Patents
Automatic adsorption device for scrap iron of shock absorber Download PDFInfo
- Publication number
- CN107962145B CN107962145B CN201711479574.1A CN201711479574A CN107962145B CN 107962145 B CN107962145 B CN 107962145B CN 201711479574 A CN201711479574 A CN 201711479574A CN 107962145 B CN107962145 B CN 107962145B
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- air
- cover
- suction cover
- air suction
- scrap iron
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Abstract
The invention discloses an automatic scrap iron adsorption device of a shock absorber, which comprises an air pump, a pneumatic conveyor, an air suction cover and a containing device, wherein one end of the pneumatic conveyor is connected with a first air pipe, the other end of the pneumatic conveyor is connected with a second air pipe, the first air pipe is connected with the air suction cover, the second air pipe is connected with the containing device, the pneumatic conveyor is connected with the air pump through an electromagnetic valve, and the air suction cover is sleeved on the outer side of a rivet. The invention is used for absorbing and removing scrap iron generated in the spin riveting and punching riveting processes, realizes simultaneous riveting and scrap removal, is not only beneficial to the absorption of foreign matters such as scrap iron and the like, but also avoids the influence of the outside on the processing of products, is easy to operate and occupies small space.
Description
Technical Field
The invention relates to the technical field of automobile shock absorber accessory production, in particular to an automatic iron filings adsorption device for a shock absorber.
Background
The spin riveting and punching riveting processes in the manufacturing process of the shock absorber can generate some tiny iron filings, the current common method adopted by the tiny iron filings is to blow out by adopting an air gun, and although most of the iron filings can be removed, the noise is large, the iron filings can fly in disorder to cause secondary pollution, and after entering the shock absorber, some tiny iron filings can damage an oil seal if being clamped in the oil seal, scratch the surface of the piston rod to scratch the piston rod, so that the shock absorber is at risk of oil leakage or abnormal sound, and serious consequences of failure of the shock absorber are caused.
A negative pressure bearing device (China patent, CN 204991666U) comprises a bearing seat, a dust collection and classification device and a vacuumizing device, wherein the dust collection and classification device comprises a box body, a scrap iron collecting chamber is formed between two baffle plates and the inner wall of the box body, an air outlet hole is formed in the bottom of the box body between the two baffle plates, an air inlet hole is formed in a box cover, the vacuumizing device is connected with the air outlet hole, a negative pressure state is formed on the upper surface of the bearing seat through the vacuumizing device, and residual scrap iron and dirt are clear. The device clears away through the mode of evacuation iron fillings, and though the scrap removal effect is showing, when the iron fillings in the shock absorber production process adopted the evacuation to clear away, then a series of complete sets such as the air compressor of evacuating device, switch board need, and area is many, consumes the energy height, and is with high costs.
A dust collector (China patent, CN 204541950U) comprises a first air inlet pipe, a pneumatic conveyor, an air outlet pipe and a dust collection box, wherein one end of the air inlet pipe is connected with a dust collection pipe, the other end of the air inlet pipe is connected with the pneumatic conveyor, one end of the air outlet pipe is connected with the pneumatic conveyor, the other end of the air outlet pipe is connected with the dust collection box, ventilation channels are formed in two sides of the dust collection box, dust collection cylinders are arranged in the dust collection box and used for absorbing dust sent from the air outlet pipe, noise reduction cotton used for reducing noise is further arranged on the inner side wall of the dust collection box. The device is mainly the dust collector in the lithium cell production, and the device adopts the dust absorption pipe, can not avoid foreign matter such as iron fillings to cause the pollution to the air on the one hand, and also can not avoid the external influence to product processing.
Disclosure of Invention
In view of the above, the invention aims to overcome the defects of the prior art, and provides an automatic scrap iron adsorption device for a shock absorber, which is used for adsorbing and removing scrap iron generated in spin riveting and punching riveting processes, realizes simultaneous riveting and scrap removal, is beneficial to foreign matter adsorption, avoids the influence of the outside on product processing, and is easy to operate and small in occupied space.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an automatic adsorption equipment of shock absorber iron fillings, includes air pump, pneumatic conveyor, suction hood and storage device, first trachea is connected to pneumatic conveyor one end, and the second trachea is connected to the other end, first trachea links to each other with the suction hood, the second trachea links to each other with storage device, pneumatic conveyor passes through the solenoid valve with the air pump and links to each other, the suction hood cup joints in the die outside.
Further, the suction cover is of a conical structure with a narrow bottom and a wide top.
Further, the lower end of the rivet head is positioned in the air suction cover and is at a certain distance from the lower end of the air suction cover.
Further, the storage device comprises a storage barrel, a dust removing device is arranged in the storage barrel, a silencing device is arranged on the inner wall of the storage barrel, and an exhaust port is formed in the storage barrel.
Further, storage device includes the containing box, the containing box includes outer box and interior box, outer box front end articulates there is the chamber door, the both sides of outer box are provided with a plurality of exhaust holes, the inner wall of outer box is pasted and is had silencing device, outer box inner bottom is provided with the electro-magnet.
Further, the lower end of the inner box body is provided with a groove matched with the electromagnet, the upper end of the inner box body is provided with a box cover, the box cover comprises a middle ring, an outer ring and a dust removing device arranged between the middle ring and the outer ring, a connecting spring is arranged between the middle ring and the upper end of the outer box body, and the free end of the second air pipe sequentially penetrates through the outer box body, the connecting spring and the middle ring and is arranged in the inner box body.
Further, the lower surface of the middle ring is provided with a ranging sensor, the ranging sensor is connected with a singlechip, and the singlechip is connected with an electromagnet and an indicator lamp through a programmable resistor.
Further, the suction hood comprises a hood body with two open ends and a connecting ring arranged at the opening of the upper end of the hood body, vertical sliding grooves are symmetrically formed in the side walls of the connecting ring, sliding blocks matched with the sliding grooves are arranged at the opening of the upper end of the hood body, an upper limit plate is arranged at the upper end of the connecting ring, a lower limit plate is fixed at the lower end of the connecting ring, and a compression spring is sleeved on the connecting ring between the upper limit plate and the hood body.
Further, a proximity switch is arranged at the position, close to the lower end, of the outer wall of the cover body.
The beneficial effects of the invention are as follows: according to the automatic absorber scrap iron adsorption device, the air suction cover is sleeved on the outer side of the rivet head of the squeeze riveter, and negative pressure is formed at the air suction cover by adopting the pneumatic conveyor, so that foreign matters such as scrap iron attached to the rivet head and a product are adsorbed into the receiving device through the first air pipe, the pneumatic conveyor and the second air pipe, and the simultaneous riveting and scrap removal are realized.
The air suction cover adopts a conical structure with a narrow lower part and a wide upper part, so that the air pollution caused by foreign matters such as scrap iron and the like can be effectively avoided, meanwhile, the air flow is guided, the air source consumption is reduced, and the processing cost is reduced.
The lower extreme of die is located the cover of breathing in, and has certain distance with the lower extreme of cover of breathing in, and the cover of breathing in moves down along with the die, and when the die contacted the riveting position soon of product, the cover lower extreme of breathing in was parallel and level with the bottom surface of riveting the base soon, can form the parcel formula to the work area through the cover of breathing in, has good leakproofness, not only can help the foreign matter to adsorb, can avoid the external influence to product processing moreover.
Through setting up the electro-magnet, when power on, adsorb the bottom of the case with the iron fillings that enter into in the interior box, avoid the iron fillings to scatter in the interior box, also avoid the iron fillings to block up dust collector, be convenient for later stage clearance iron fillings, during the later stage clearance, only need take out interior box can.
The suction cover comprises cover bodies with two open ends and connecting rings arranged at the openings at the upper ends of the cover bodies, and the distance between the lower ends of the cover bodies and the lower ends of the rivets can be automatically adjusted according to the needs through the up-and-down movement of the cover bodies along the connecting rings, so that independent adjustment of riveted products of each production line is not needed.
Through setting up proximity switch, realize automatic control deironing bits process, avoid forgetting to open or close the automatic adsorption equipment of iron fillings.
The invention has the following advantages:
(1) The chip removing effect is obvious: the defect that scrap iron flies in disorder in an air gun blowing mode is overcome, the cleanliness of processed products is high, the possibility of secondary pollution of foreign matters such as scrap iron is avoided, the risks of oil leakage and abnormal sound of the shock absorber are effectively reduced, and the intrinsic performance and appearance quality of the products are improved.
(2) The economic benefit is large: the air gun blowing-off mode is that riveting is performed firstly and then scraps are removed, and riveting and scraps removal can be performed simultaneously after the device is adopted, so that working hours are greatly shortened, the productivity of equipment is improved, and great economic benefits are brought to enterprises.
(3) The universality is strong: the device has low cost, easy operation, small occupied space, low noise and simple maintenance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a partial enlarged view of a in fig. 1.
FIG. 3 is a schematic view of a second embodiment of a suction hood;
FIG. 4 is a schematic view of the structure of the outer case;
fig. 5 is a schematic structural view of a third embodiment of the storage device;
fig. 6 is a schematic structural view of a fourth embodiment of the cover.
The device comprises an air pump 1, a pneumatic conveyor 3, an air suction cover 7, a first air pipe 4, a second air pipe 5, an electromagnetic valve 2, a rivet 6, a barrel body 9, a barrel cover 8, a dust removing device 10, a muffler device 11, an exhaust port 12, a spin riveting base 13, a cover body 14, a connecting ring 15, a vertical sliding groove 16, a sliding block 17, an upper limiting plate 18, a lower limiting plate 19, a compression spring 20, an outer box 21, an inner box 22, an electromagnet 23, a middle ring 24, an outer ring 25, a connecting spring 26 and a proximity switch 27.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
As shown in figures 1-2, the automatic adsorption device for scrap iron of a shock absorber comprises an air pump 1, a pneumatic conveyer 3, an air suction cover 7 and a storage device, wherein one end of the pneumatic conveyer 3 is connected with a first air pipe 4, the other end of the pneumatic conveyer is connected with a second air pipe 5, the first air pipe 4 is connected with the air suction cover 7, the second air pipe 5 is connected with the storage device, the pneumatic conveyer 3 is connected with the air pump 1 through an electromagnetic valve 2, the air suction cover 7 is sleeved on the outer side of a rivet head 6, the air suction cover 7 is of a conical structure with a narrow lower part and a wide upper part, the lower end of the rivet head 6 is positioned in the air suction cover 7, the specific distance between the lower end of the air suction cover 7 and the lower end of the rivet head is about 5mm, the specific distance can be adjusted according to riveted products of each production line, the first air pipe 4 and the second air pipe 5 are plastic hoses, the rivet head 6 is a spin riveting part of a squeeze riveter, and the air pump 1 and the electromagnetic valve 2 are connected with a power supply.
The storage device comprises a storage barrel, the storage barrel comprises a barrel body 9 with an open upper end and a barrel cover 8 arranged at the upper end of the barrel body 9, a through hole matched with the second air pipe 5 is formed in the barrel cover 8, a transverse dust removing device 10 is arranged in the barrel body 9, the dust removing device 10 is a filter screen, the free end of the second air pipe 5 penetrates through the dust removing device 10 and is arranged in the storage barrel, silencing devices 11 are arranged on the inner walls of the barrel body 9 and the barrel cover 8, the silencing devices 11 are plastic foam or silencing cotton, and an exhaust port 12 is formed in the side wall of the barrel body 9 at the upper end of the dust removing device 10.
The invention relates to a using method of an automatic scrap iron adsorption device of a shock absorber, which comprises the following steps: setting riveting time of a riveting press before processing a product, switching on a power supply of the riveting press and the device, enabling a rivet head 6 of the riveting press and the suction cover 7 to move downwards simultaneously, enabling the lower end of the suction cover 7 to be level with the bottom surface of a spin riveting base 13 when the rivet head 6 contacts a spin riveting part of the product, and enabling the rivet head 6 to start working; when the power supply of the device is on, the electromagnetic valve 2 is opened, the air in the air pump 1 forms negative pressure in the air suction cover 7 through the pneumatic conveyor 3, the rivet 6 and the scrap iron attached to the product sequentially enter the storage barrel through the first air pipe 4, the pneumatic conveyor 3 and the second air pipe 5, and the air filtered by the dust removing device 10 and treated by the noise eliminating device 11 is discharged through the air outlet 12.
Example two
This embodiment is substantially the same as the first embodiment except that: as shown in fig. 3, the suction cover is sleeved outside the rivet 6, the suction cover comprises a cover body 14 with two open ends and a connecting ring 15 arranged at the opening of the upper end of the cover body 14, vertical sliding grooves 16 are symmetrically arranged on the side wall of the connecting ring 15, sliding blocks 17 matched with the sliding grooves are arranged at the opening of the upper end of the cover body 14, the upper ends of the sliding grooves are closed, the lower ends of the sliding grooves are of an open structure, an upper limit plate 18 is arranged at the upper end of the connecting ring 15, a lower limit plate 19 is fixedly connected with the lower end of the connecting ring 15 through screws, the connecting ring 15 and the upper limit plate 18 are of an integrated structure, and a compression spring 20 is sleeved on the connecting ring 15 between the upper limit plate 18 and the cover body 14.
The cover body 14 is of a conical transparent structure with a narrow bottom and a wide top, the lower end of the rivet head 6 is positioned in the cover body 14, a certain distance is reserved between the rivet head and the lower end of the cover body 14, and the specific distance can be automatically adjusted during use without independent adjustment according to riveted products of each production line.
During the use, the die 6 moves down simultaneously with the cover body 14, the upper end of the cover body 14 receives the ascending effort of workstation, the upper end of the cover body 14 passes through slider 17 and upwards moves along the spout, realizes when the die 6 contacts the riveting position of product soon, the cover body 14 lower extreme is parallel and level with the bottom surface of riveting base 13 soon, simultaneously through compression spring 20 makes the cover body 14 lower extreme hugs closely the workstation surface, through transparent cover body 14, is convenient for observe the operating condition of die 6.
Example III
The present embodiment is substantially the same as the first embodiment or the second embodiment, except that: as shown in fig. 4 and 5, the storage device comprises a storage box, the storage box comprises an outer box body 21 and an inner box body 22, the front end of the outer box body 21 is hinged with a box door, a handle is arranged on the box door, a plurality of exhaust ports 12 are arranged on two sides of the outer box body 21, a silencing device 11 is stuck on the inner wall of the outer box body 21, the silencing device 11 is made of plastic foam or silencing cotton, an electromagnet 23 is arranged at the bottom end inside the outer box body 21, and the electromagnet 23 is connected with a power supply.
The lower extreme of interior box 22 be provided with electro-magnet 23 matched with recess, the upper end of interior box 22 is provided with the case lid, the case lid include middle ring 24, outer loop 25 and set up in dust collector 10 between middle ring 24 and the outer loop 25, dust collector 10 is the filter screen, be provided with coupling spring 26 between middle ring 24 and the outer box 21 upper end, second trachea 5 free end passes in proper order outer box 21, coupling spring 26 and middle ring 24, and place in interior box 22, coupling spring 26 is used for connecting the case lid also is used for with the case lid is pressed on the interior box 22, avoid the case lid receives the gas effect and drops.
The size of electro-magnet 23 magnetism accessible electric current's intensity is controlled, well 24 lower surface is provided with range finding sensor, range finding sensor links to each other with the singlechip, the singlechip passes through programmable resistor and electro-magnet 23 and pilot lamp and links to each other, through range finding sensor measures the height of iron fillings, along with the difference of iron fillings height, through the contact position adjustment electro-magnet electric current of singlechip control programmable resistor to realize the adjustment of electromagnetism ferromagnetism size, strengthen the absorption to the iron fillings, when the iron fillings surpass certain height, singlechip control pilot lamp is bright, thereby reminds to clear up iron fillings in the interior box 22.
When the power is on, the electromagnet 23 is electrified to adsorb the scrap iron entering the inner box 22 to the bottom of the box, and the gas is filtered by the dust removing device 10 and then discharged through the air outlet 12 of the outer box 21; when the scrap iron in the inner box body 22 needs to be cleaned, the box door is opened, the box cover is moved upwards through the connecting spring 26, the inner box body 22 is taken out for cleaning, and the later cleaning of the scrap iron is more convenient.
Example IV
The present embodiment is basically the same as the third embodiment, except that: as shown in fig. 6, a proximity switch 27 is disposed on the outer wall of the cover 14 near the lower end, and the air pump 1, the electromagnetic valve 2, the electromagnet 23 and the singlechip are connected with a power supply through the proximity switch 27.
As shown in fig. 1 and 6, when the cover 14 approaches the workbench along with the rivet head 6, the proximity switch 27 is turned on to start the air pump 1, the electromagnetic valve 2, the electromagnet 23 and the single-chip microcomputer.
When the cover 14 is combined with the riveting head 6 to form the workbench, the proximity switch 27 is closed, and the air pump 1, the electromagnetic valve 2, the electromagnet 23 and the singlechip are closed.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. An automatic adsorption equipment of shock absorber iron fillings, its characterized in that: the riveting device comprises an air pump, a pneumatic conveyor, an air suction cover and a storage device, wherein one end of the pneumatic conveyor is connected with a first air pipe, the other end of the pneumatic conveyor is connected with a second air pipe, the first air pipe is connected with the air suction cover, the second air pipe is connected with the storage device, the pneumatic conveyor is connected with the air pump through an electromagnetic valve, and the air suction cover is sleeved on the outer side of a rivet; the air suction cover comprises a cover body with two open ends and a connecting ring arranged at the opening of the upper end of the cover body, vertical sliding grooves are symmetrically arranged on the side wall of the connecting ring, sliding blocks matched with the sliding grooves are arranged at the opening of the upper end of the cover body, an upper limiting plate is arranged at the upper end of the connecting ring, a lower limiting plate is fixed at the lower end of the connecting ring, and a compression spring is sleeved on the connecting ring between the upper limiting plate and the cover body; a proximity switch is arranged at the position, close to the lower end, of the outer wall of the cover body; the air pump and the electromagnetic valve are connected with a power supply through the proximity switch;
the storage device comprises a storage box, the storage box comprises an outer box body and an inner box body, the front end of the outer box body is hinged with a box door, a plurality of exhaust ports are formed in two sides of the outer box body, a muffler device is adhered to the inner wall of the outer box body, and an electromagnet is arranged at the bottom end inside the outer box body;
the inner box lower extreme be provided with electromagnet matched with recess, the upper end of inner box is provided with the case lid, the case lid include well ring, outer loop with set up in dust collector between well ring and the outer loop, be provided with connecting spring between well ring and the outer box upper end, the second trachea free end passes in proper order outer box, connecting spring and well ring, and place in the inner box.
2. The automatic absorber scrap iron adsorption device according to claim 1, wherein: the air suction cover is of a conical structure with a narrow bottom and a wide top.
3. An automatic absorber scrap iron adsorption device according to claim 1 or 2, wherein: the lower end of the rivet head is positioned in the air suction cover and is at a certain distance from the lower end of the air suction cover.
4. The automatic absorber scrap iron adsorption device according to claim 1, wherein: the storage device comprises a storage barrel, a dust removing device is arranged in the storage barrel, and the storage barrel is internally provided with a dust removing device
The wall is provided with the noise elimination device, be provided with the gas vent on the storage barrel.
5. The automatic absorber scrap iron adsorption device according to claim 1, wherein: the lower surface of the middle ring is provided with a ranging sensor, the ranging sensor is connected with a singlechip, and the singlechip is connected with an electromagnet and an indicator lamp through a programmable resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479574.1A CN107962145B (en) | 2017-12-29 | 2017-12-29 | Automatic adsorption device for scrap iron of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479574.1A CN107962145B (en) | 2017-12-29 | 2017-12-29 | Automatic adsorption device for scrap iron of shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107962145A CN107962145A (en) | 2018-04-27 |
| CN107962145B true CN107962145B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479574.1A Active CN107962145B (en) | 2017-12-29 | 2017-12-29 | Automatic adsorption device for scrap iron of shock absorber |
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| Country | Link |
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| CN (1) | CN107962145B (en) |
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| GB1443568A (en) * | 1972-09-29 | 1976-07-21 | Metallgesellschaft Ag | Process and apparatus for removing solids formed in the refining of molten lead |
| CN202343844U (en) * | 2011-11-17 | 2012-07-25 | 丰田合成(张家港)科技有限公司 | Automatic dust exhaust apparatus of ultrasonic riveting equipment |
| CN104525521A (en) * | 2014-12-26 | 2015-04-22 | 云梦县福康轮胎设备制造有限公司 | High-strength blowing, sucking and dust removal system |
| CN204541950U (en) * | 2015-02-09 | 2015-08-12 | 东莞市骏泰精密机械有限公司 | A kind of dust arrester |
| CN204991666U (en) * | 2015-10-16 | 2016-01-20 | 山东百利通亚陶科技有限公司 | Device is born to negative pressure |
| DE202016104049U1 (en) * | 2016-07-25 | 2016-08-09 | Krones Ag | Trigger for sucking glue vapors from a glue roller |
| CN106552792A (en) * | 2015-09-30 | 2017-04-05 | 天津多乐鹏科技有限公司 | A kind of high electronic equipment dust arrester of modulability |
| CN107297576A (en) * | 2017-07-12 | 2017-10-27 | 佛山市春上机电有限公司 | A kind of large format digital control laser steel-plate cutter bed |
| CN107497224A (en) * | 2017-08-29 | 2017-12-22 | 太仓贝斯特机械设备有限公司 | One kind inhales bits equipment |
| CN207709773U (en) * | 2017-12-29 | 2018-08-10 | 南阳淅减汽车减振器有限公司 | A kind of damper foreign body eliminating apparatus |
-
2017
- 2017-12-29 CN CN201711479574.1A patent/CN107962145B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443568A (en) * | 1972-09-29 | 1976-07-21 | Metallgesellschaft Ag | Process and apparatus for removing solids formed in the refining of molten lead |
| CN202343844U (en) * | 2011-11-17 | 2012-07-25 | 丰田合成(张家港)科技有限公司 | Automatic dust exhaust apparatus of ultrasonic riveting equipment |
| CN104525521A (en) * | 2014-12-26 | 2015-04-22 | 云梦县福康轮胎设备制造有限公司 | High-strength blowing, sucking and dust removal system |
| CN204541950U (en) * | 2015-02-09 | 2015-08-12 | 东莞市骏泰精密机械有限公司 | A kind of dust arrester |
| CN106552792A (en) * | 2015-09-30 | 2017-04-05 | 天津多乐鹏科技有限公司 | A kind of high electronic equipment dust arrester of modulability |
| CN204991666U (en) * | 2015-10-16 | 2016-01-20 | 山东百利通亚陶科技有限公司 | Device is born to negative pressure |
| DE202016104049U1 (en) * | 2016-07-25 | 2016-08-09 | Krones Ag | Trigger for sucking glue vapors from a glue roller |
| CN107297576A (en) * | 2017-07-12 | 2017-10-27 | 佛山市春上机电有限公司 | A kind of large format digital control laser steel-plate cutter bed |
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| CN207709773U (en) * | 2017-12-29 | 2018-08-10 | 南阳淅减汽车减振器有限公司 | A kind of damper foreign body eliminating apparatus |
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| CN107962145A (en) | 2018-04-27 |
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