CN203227896U - Precise steel band edge scraping machine - Google Patents
Precise steel band edge scraping machine Download PDFInfo
- Publication number
- CN203227896U CN203227896U CN 201320418377 CN201320418377U CN203227896U CN 203227896 U CN203227896 U CN 203227896U CN 201320418377 CN201320418377 CN 201320418377 CN 201320418377 U CN201320418377 U CN 201320418377U CN 203227896 U CN203227896 U CN 203227896U
- Authority
- CN
- China
- Prior art keywords
- steel band
- servomotor
- cutter head
- iii
- scraped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a precise steel band edge scrapping machine which comprises the following components: a line uncoiling device, a thin material straightening device, a scraper device, a filtrate pressing device, a measuring device, a roller guiding device, a line coiling device, a control system and an alarm device. The measuring device comprises a bracket and a length measurer arranged on the bracket. After the steel band passes through edge scraping of the scraper device, the steel band passes through the measuring area of the length measurer. The length measurer can measure width of the steel band. A servo motor of the scraper device drives a cutter head to move. A servo motor in the coiling device drives a coiling reel to rotate and move linearly. The control system can process measurement result of the measuring device and can control the alarm device. Furthermore the control system can control rotation state of the servo motor. The precise steel band edge scrapping machine can detect wearing of the cutter head through measuring the width of the steel band. The precise steel band edge scrapping machine can realize coarse scraping and fine scrapping on one set of equipment, and performs edge scrapping in uniform speed. After edge scrapping, the steel band is coiled in the coiling reel closely in an ordered manner.
Description
Technical field
The utility model relates to a kind of steel band and scrapes edge equipment automatically.
Background technology
Scrape the limit operation and be the essential operation in the plane scroll spring processing, the purpose of scraping the limit is that assurance is for the preparation of steel band side edge shape and the width dimensions of spring.The existing edge equipment of scraping mainly comprises: actinobacillus device, thin material coalignment, doctor blade device, the filtrate belt pressing device, the running roller guider, take-ups etc., existing doctor blade device are the depths of cut of manual adjustments scraper, cut back steel band size by trial cut, measurement, adjust the depth of cut again, adjust troublesome poeration so repeatedly, and when withdrawing is worn material, need readjust; Existing take-up adopts threephase asynchronous machine to drive, and motor speed is constant, but the diameter after the rewinding of rewinding tube is along with the increase of rewinding, constantly increase, cause the linear velocity of barrel external diameter constantly to rise, scrape the limit cutting linear velocity and also rise, cause the tool wear aggravation, the cutting precision instability; In addition, be subjected to the influence of factors such as depth of cut control accuracy, tool wear, steel band to scrape the limit precision low, in order to guarantee machining accuracy, to scrape the limit operation and be divided into slightly scraping with essence and scrape two procedures, two procedures needs two production lines, and existing these deficiencies of scraping edge equipment cause the process equipment floor space big, the production cost height, labour intensity is big etc.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of accurate steel band to scrape the limit machine, can realize slightly scraping evenly with essence scraping at an equipment, and the cutter head location is easy, and can monitor the tool bit abrasion situation.
The technical scheme in the invention for solving the above technical problem is: accurate steel band is scraped the limit machine, comprise the actinobacillus device that sets gradually, thin material coalignment, doctor blade device, filtrate belt pressing device, running roller guider, take-up, also comprise measurement mechanism, measurement mechanism comprises support and rack-mount contactless device for measuring length, steel band passes the measured zone of device for measuring length after doctor blade device is scraped the limit, device for measuring length can be measured width of steel band.
Better, described device for measuring length is contactless laser length measuring instrument.
Better, described doctor blade device comprises servomotor I, shaft coupling, ball screw I, fixed head I, cutter head I, also comprises handwheel, ball screw II, fixed head II, cutter head II; The rotating shaft of servomotor I connects an end of screw mandrel in the ball screw I by shaft coupling, the ball screw I is connected with the fixed head I, the cutter head I is fixedly arranged on the fixed head I, and the rotating shaft of servomotor I rotatablely moves and is converted into the rectilinear motion of fixed head I by the ball-screw I; Handwheel connects an end of screw mandrel in the ball screw II, the ball screw II is connected with the fixed head II, the cutter head II is fixedly arranged on the fixed head II, rotatablely moving of handwheel can be moved by the straight line that the ball-screw II is converted into the fixed head II, cutter head I and cutter head II all protrude out fixed head, the movement of two cutter heads on same straight line, and the edge of a knife of two cutter heads is relative.
Better, described doctor blade device can arrange two covers, and the steel band successively cutter head I from two cover doctor blade devices and the centre of cutter head II passes, and realizes slightly scraping with essence scraping at an equipment.
Better, described measurement mechanism also can arrange two covers, and steel band passes doctor blade device, measurement mechanism, doctor blade device, measurement mechanism successively, measure respectively slightly scrape and smart scraping after width of steel band.
Better, described take-up comprises: wire winding tube, servomotor II, supporting plate, ball screw III, servomotor III; Servomotor II and wire winding tube are positioned on the supporting plate, and the rotating shaft of the rotating shaft of servomotor II and wire winding tube is by belt transmission, and the rotating shaft of servomotor II rotation can drive the wire winding tube rotation; Ball screw III, servomotor III are positioned under the supporting plate, the rotating shaft of servomotor III is connected an end of screw mandrel in the ball screw III, the ball-screw III is connected with the supporting plate bottom, and the rotating shaft rotation of servomotor III can drive the supporting plate straight line and move, and servomotor II and wire winding tube also move with the supporting plate straight line.
Better, described accurate steel band is scraped the limit machine and is also comprised control system, control system comprises man-machine interface, processor, electromagnetic switch and necessary connection line, control system is connected with measurement mechanism, servomotor I, servomotor II and servomotor III, set instruction repertorie by man-machine interface, processor processing instruction program or according to the measurement result of device for measuring length, by electromagnetic switch control servomotor I, servomotor II and servomotor III.
Better, by man-machine interface can also import steel band size, wire winding tube size, wire winding tube arranged around parameters such as the steel band number of plies, processor can be according to the parameter of input, after computing, the rotary speed of control servomotor II.
Better, described accurate steel band is scraped the limit machine and is also comprised warning device, and warning device is connected with control system, and processor can compare the measurement result of analysis length measuring appliance, and the keying of control warning device.
Compared with prior art, advantage of the present utility model is: 1, scrape increase control system and the measurement mechanism of limit machine at accurate steel band, device for measuring length wherein can be measured the width of steel band of scraping behind the limit, the variation of the cutting output when scraping the limit by the mutation analysis cutter head of monitoring width of steel band, can obtain the abrasion condition of cutter, be convenient in time adjust or change cutter head, guarantee the width of steel band unanimity, improve machining accuracy, and increase warning device, control system can start warning device by comparing the width of steel band that preset value and device for measuring length are measured, and variation has taken place prompting operation person's width of steel band; 2, can pass through the control system input pulse, processor is handled the rotation of back control servomotor, further control the displacement of cutter head by ball-screw, the control depth of cut, cutting output just, input pulse can be adjusted the cutter head position, adjustment precision height, and can realize resetting, change steel band specification or withdrawing and wear when expecting that the cutter head location is more convenient; 3, scrape two cover doctor blade devices are set in the edge equipment, can realize that slightly scraping with essence of steel band scrape at equipment, saved operation, improved efficient; 4, the rotation of the driven by servomotor wire winding tube in the take-up and mobile, by adjusting the rotating speed of servomotor, can adjust the rotational angular of wire winding tube, can keep the linear velocity constant behind the steel band that wire winding tube twines, so that steel band at the uniform velocity pass doctor blade device, reduce the wearing and tearing that velocity variations produces cutter head.
Description of drawings
Fig. 1 is the integrally-built front view of the utility model.
Fig. 2 is the integrally-built vertical view of the utility model.
Fig. 3 is the schematic diagram of the utility model measurement mechanism.
Fig. 4 is the front view of the utility model doctor blade device.
Fig. 5 is the vertical view of the utility model doctor blade device.
Fig. 6 be among Fig. 4 A-A to profile.
Fig. 7 is the front view of the utility model take-up.
Fig. 8 is the vertical view of the utility model take-up.
Among the figure: 1, actinobacillus device, 2, the running roller guider, 3, thin material coalignment, 4, doctor blade device, 5, the filtrate belt pressing device, 6, measurement mechanism, 7, take-up, 8, man-machine interface, 9, steel band; 61, support, 62, device for measuring length, 401, the fixed head I, 402, the cutter head I, 403, the connecting plate I, 404, ball screw I, 405, shaft coupling, 406, the servomotor I, 411, the fixed head II, 412, cutter head II, 413, the connecting plate II, 414, the ball screw II, 415, handwheel; 71, base, 72, the ball screw III, 73, the servomotor III, 74, supporting plate, 75, the servomotor II, 76, rotating shaft, 77, wire winding tube.
The specific embodiment
The utility model further specifies below in conjunction with accompanying drawing, embodiment.
Embodiment, accurate steel band is as shown in Figure 1 and Figure 2 scraped the limit machine, under the drag interaction of take-up 7, steel band 9 is pulled out and is passed successively running roller guider 2, thin material coalignment 3, doctor blade device 4, filtrate belt pressing device 5, running roller guider 2, doctor blade device 4, filtrate belt pressing device 5, measurement mechanism 6, running roller guider 2 in actinobacillus device 1, by take-up 7 steel band 9 is wound in dish at last, when steel band passed doctor blade device 4, the side of steel band 9 was cut.
The structure of measurement mechanism 6 as shown in Figure 3, measurement mechanism 6 comprises support 61 and rack-mount device for measuring length 62, preferred device for measuring length 62 is the non-contact laser length measuring instrument, steel band 9 passes the measured zone of device for measuring length 62 after doctor blade device is scraped the limit, device for measuring length 62 can be measured the width of steel band 9.If the cutting output of doctor blade device 4 when scraping the limit changes, the width of scraping steel band 9 behind the limit so also can respective change, so, device for measuring length 62 measures the width of scraping steel band 9 behind the limit, just can extrapolate the variation of cutting output, judge the degree of wear of cutter head, provide reference for the operator adjusts or change cutter head.
The structure of doctor blade device 4 such as Fig. 4 are to shown in Figure 6, doctor blade device 4 comprises two cutter heads, cutter head I 402 and cutter head II 412, the edge of a knife of two cutter heads is relative, steel band 9 passes between two edges of a knife, and two cutter heads can move along same linear reciprocation, and behind the two cutter heads contact steel band 9, steel band 9 moves relative to cutter head can scrape the limit.
Cutter head I 402 is fixed on the fixed head I 401, fixed head I 401 connects connecting plate I 403, connecting plate I 503 cooperates with 404 transmissions of ball screw I, one end of the screw mandrel in the ball screw I 404 is connected with the rotating shaft of servomotor I 406 by shaft coupling 405, like this, the rotating shaft of servomotor I 406 is rotated, and will rotatablely move by ball screw I 405 is converted to the rectilinear motion of connecting plate I 403, fixed head I 401, cutter head I 402.Cutter head II 412 is fixed on the fixed head II 411, fixed head II 411 connects connecting plate II 413, connecting plate II 413 cooperates with 414 transmissions of ball screw II, one end of the screw mandrel in the ball screw II 414 connects handwheel 415, like this, rotate handwheel 415, will rotatablely move by ball screw II 414 is converted to the rectilinear motion of connecting plate II 413, fixed head II 411, cutter head II 412.
The above-mentioned doctor blade device 4 of two covers being set scraping edge equipment, is in order to realize slightly scraping with essence scraping at equipment.Many cover doctor blade devices 4 obviously also can be set, can carry out multiple tracks scraping processing.
Above-mentioned measurement mechanism 6 can be a cover, be arranged on after the doctor blade device 4, just steel band is slightly scraped or the smart width of scraping back measurement steel band, two cover measurement mechanisms 6 also can be set, measure respectively slightly scrape and smart scraping after width of steel band, steel band passes doctor blade device, measurement mechanism, doctor blade device, measurement mechanism successively.
The structure of take-up 7 such as Fig. 7, shown in Figure 8, take-up 7 comprise wire winding tube 77, servomotor II 75, supporting plate 74, ball screw III 72, servomotor III 73, base 71; Servomotor II 75 and wire winding tube 77 are positioned on the supporting plate, and servomotor II 75 is fixed on the supporting plate 74, and the rotating shaft of servomotor II 75 and wire winding tube rotating shaft 76 are by belt transmission, and the rotating shaft of servomotor II 75 rotation can drive wire winding tube 77 rotations; Ball screw III 72, servomotor III position 73 is in supporting plate 74 times, servomotor III 73 and ball screw III 72 are fixed on the base 71, the rotating shaft of servomotor III 73 is connected an end of screw mandrel in the ball screw III 72, ball-screw III 72 cooperates with supporting plate 74 bottom transmissions, the rotating shaft rotation of servomotor III 73 can drive supporting plate 74 straight lines and move, servomotor II 75 and wire winding tube 77 also move with supporting plate 74 straight lines, like this under the driving of servomotor II 75 and servomotor III 73, in the time of wire winding tube 77 rotations, also can do linear reciprocation and move, the steel band 9 of winding is arranged in order.
Scrape edge equipment and also comprise control system, control system comprises man-machine interface 8, processor, electromagnetic switch and necessary connection line, control system is connected with measurement mechanism 6, servomotor I 406, servomotor II 75 and servomotor III 73, set instruction repertorie by man-machine interface 8, the measurement result of processor processing instruction program or device for measuring length, and adjust the duty of servomotor I 406, servomotor II 75 and servomotor III 73 by electromagnetic switch.
If the rotary speed of servomotor II 75 is constant, its diameter can be increasing after driving wire winding tube 77 take-ups, the rotational line speed of cylindrical can become big thereupon during take-up, the limit effect is scraped in influence, therefore for keeping take-up speed constant, must adjust the rotary speed of servomotor II 75, can be by the thickness of the man-machine interface 8 input steel bands in the control system, the width equidimension, basic circle (cross section of the take-up section cylinder) size of input wire winding tube 77, wire winding tube 77 can arrange around the width equidimension, also can import wire winding tube 77 arranged around parameters such as the steel band number of plies, processor can be according to the parameter of input, after computing, the rotary speed of control servomotor II 75, the rotary speed of servo II 75 is more and more littler in the process of take-up, with the cylindrical that guarantees wire winding tube 77 linear velocity constant when the take-up.
Scrape edge equipment and also comprise warning device, warning device can be the device that can ring or the device of blinking light, warning device is connected with control system, and processor is by relatively setting value and the measurement result of device for measuring length, controls that warning device is rung or the keying of light.
Actinobacillus device, running roller guider, thin material coalignment, filtrate belt pressing device, device for measuring length, processor, man-machine interface, warning device, servomotor and ball-screw are open by prior art, repeat no more.
The course of work of scraping edge equipment is as follows:
When using first, earlier steel band 9 is passed successively each device, and steel 9 one ends are fixed in the wire winding tube 77, by handwheel 415, man-machine interface 8 is adjusted the distance of two cutter heads, determine cutting output, and the cutter head location parameter is stored into processor, again by the default width of scraping steel band 9 behind the limit of man-machine interface 8, width by man-machine interface 8 input steel bands, thickness, the basic circle size of wire winding tube 77, arranged the number of plies around take-up, starting device then, steel band 9 is under the pulling effect of take-up 7, pass each device successively, scraping the limit when passing doctor blade device 4 handles, the steel band of scraping behind the limit 9 passes measurement mechanism 6, device for measuring length 62 can regularly be measured the width of scraping steel band 9 behind the limit, processor measurement of comparison value and preset value, if differ bigger, control system then starts warning device, remind operator's doctor blade device cutting output to change or cutter head serious wear, for guaranteeing to scrape the limit quality, answer halt device, adjust servomotor I 406 by control system, change the distance of cutter head I 402 and cutter head II 412, perhaps unload cutter head place under repair or replacing, after reinstalling cutter head, the cutter head positional information that only needs to access original storage by man-machine interface 8 can be located cutter head rapidly.Restart equipment afterwards, work on.
The steel band 9 that finally machines, can be wrapped on the wire winding tube 77, along with increasing of steel band 9, wire winding tube 77 diameters after the take-up can be increasing, for the linear velocity of avoiding twining increases, can make servomotor II 75 rotational angular velocities more and more littler by control system, keep wire winding tube 77 rotational line speed constant, can guarantee steel band 9 orderly, fine and close being wrapped on the wire winding tube 77, at the uniform velocity spur steel band, also can avoid cutter head to cross quick-wearing.
Claims (9)
1. accurate steel band is scraped the limit machine, comprise the actinobacillus device that sets gradually, thin material coalignment, doctor blade device, filtrate belt pressing device, running roller guider, take-up, it is characterized in that: the described edge equipment of scraping also comprises measurement mechanism, measurement mechanism comprises support and rack-mount contactless device for measuring length, steel band passes the measured zone of device for measuring length after doctor blade device is scraped the limit, device for measuring length can be measured width of steel band.
2. accurate steel band according to claim 1 is scraped the limit machine, it is characterized in that: described device for measuring length is contactless laser length measuring instrument.
3. accurate steel band according to claim 1 and 2 is scraped the limit machine, it is characterized in that: described doctor blade device comprises servomotor I, shaft coupling, ball screw I, fixed head I, cutter head I, also comprises handwheel, ball screw II, fixed head II, cutter head II; The rotating shaft of servomotor I connects an end of screw mandrel in the ball screw I by shaft coupling, the ball screw I is connected with the fixed head I, the cutter head I is fixedly arranged on the fixed head I, and the rotating shaft of servomotor I rotatablely moves and is converted into the rectilinear motion of fixed head I by the ball-screw I; Handwheel connects an end of screw mandrel in the ball screw II, the ball screw II is connected with the fixed head II, the cutter head II is fixedly arranged on the fixed head II, rotatablely moving of handwheel can be moved by the straight line that the ball-screw II is converted into the fixed head II, cutter head I and cutter head II all protrude out fixed head, the movement of two cutter heads on same straight line, and the edge of a knife of two cutter heads is relative.
4. accurate steel band according to claim 3 is scraped the limit machine, it is characterized in that: described doctor blade device is two covers, and the steel band successively cutter head I from two cover doctor blade devices and the centre of cutter head II passes.
5. accurate steel band according to claim 4 is scraped the limit machine, it is characterized in that: described measurement mechanism is two covers, and steel band passes doctor blade device, measurement mechanism, doctor blade device, measurement mechanism successively.
6. scrape the limit machine according to claim 1,2,4 or 5 each described accurate steel bands, it is characterized in that: described take-up comprises: wire winding tube, servomotor II, supporting plate, ball screw III, servomotor III; Servomotor II and wire winding tube are positioned on the supporting plate, and the rotating shaft of the rotating shaft of servomotor II and wire winding tube is by belt transmission, and the rotating shaft of servomotor II rotation can drive the wire winding tube rotation; Ball screw III, servomotor III are positioned under the supporting plate, the rotating shaft of servomotor III is connected an end of screw mandrel in the ball screw III, the ball-screw III is connected with the supporting plate bottom, and the rotating shaft rotation of servomotor III can drive the supporting plate straight line and move, and servomotor II and wire winding tube also move with the supporting plate straight line.
7. accurate steel band according to claim 6 is scraped the limit machine, it is characterized in that: also comprise control system, control system comprises man-machine interface, processor, electromagnetic switch and necessary connection line, control system is connected with measurement mechanism, servomotor I, servomotor II and servomotor III, set instruction repertorie by man-machine interface, processor processing instruction program or according to the measurement result of device for measuring length, by electromagnetic switch control servomotor I, servomotor II and servomotor III.
8. accurate steel band according to claim 7 is scraped the limit machine, it is characterized in that: by man-machine interface can import steel band size, wire winding tube size, wire winding tube arranged around parameters such as the steel band number of plies, processor can be according to the parameter of input, after computing, the rotary speed of control servomotor II.
9. accurate steel band according to claim 7 is scraped the limit machine, it is characterized in that: also comprise warning device, warning device is connected with control system, and processor can compare the measurement result of analysis length measuring appliance, and the keying of control warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320418377 CN203227896U (en) | 2013-07-15 | 2013-07-15 | Precise steel band edge scraping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320418377 CN203227896U (en) | 2013-07-15 | 2013-07-15 | Precise steel band edge scraping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203227896U true CN203227896U (en) | 2013-10-09 |
Family
ID=49284045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320418377 Expired - Lifetime CN203227896U (en) | 2013-07-15 | 2013-07-15 | Precise steel band edge scraping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203227896U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598741A (en) * | 2016-01-14 | 2016-05-25 | 大连三高集团有限公司 | Automatic control system of edge planer |
| CN103357963B (en) * | 2013-07-15 | 2016-12-28 | 宁波韵升弹性元件有限公司 | Precision steel strip scraping machine |
| CN107362931A (en) * | 2017-08-25 | 2017-11-21 | 上海发那科机器人有限公司 | A kind of explosion-proof gluing masking device of underloading |
| TWI819227B (en) * | 2019-07-24 | 2023-10-21 | 日商西鐵城時計股份有限公司 | Processing device, control device for the device, and control method of the processing device |
-
2013
- 2013-07-15 CN CN 201320418377 patent/CN203227896U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357963B (en) * | 2013-07-15 | 2016-12-28 | 宁波韵升弹性元件有限公司 | Precision steel strip scraping machine |
| CN105598741A (en) * | 2016-01-14 | 2016-05-25 | 大连三高集团有限公司 | Automatic control system of edge planer |
| CN107362931A (en) * | 2017-08-25 | 2017-11-21 | 上海发那科机器人有限公司 | A kind of explosion-proof gluing masking device of underloading |
| TWI819227B (en) * | 2019-07-24 | 2023-10-21 | 日商西鐵城時計股份有限公司 | Processing device, control device for the device, and control method of the processing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203227896U (en) | Precise steel band edge scraping machine | |
| CN204823464U (en) | Qualities of cable rolling is convoluteed are improved winding displacement device | |
| CN103920923B (en) | Flying shearing machine in high precision | |
| CN109351889B (en) | Cable cutting system | |
| CN103303743A (en) | Optical fiber winding device | |
| CN109940109A (en) | A kind of disconnecting device of compressor wire fixed-length blanking | |
| CN103357963A (en) | Precision steel strip scraping machine | |
| CN111267237A (en) | Wire cutting device and material cutting equipment | |
| CN104368684B (en) | A kind of gap self-checking device for drawbead mold | |
| CN111300660A (en) | Material cutting equipment | |
| CN212471984U (en) | Wire cutting apparatus | |
| CN210305503U (en) | High-efficient full-automatic cable shearing equipment | |
| CN207771026U (en) | Carborundum line cuts after-combustion all-in-one machine | |
| CN220537116U (en) | Automatic unreeling machine | |
| CN115568615B (en) | Automatic detection and control method for feeding amount of grinding wheel on tobacco shredding line | |
| CN207774422U (en) | Plastic wire flat filament warping machine infrared ray deviation correcting device | |
| EP3271096A1 (en) | Fluting machine | |
| CN204079128U (en) | With the cable guide structures of turn over function | |
| CN213568750U (en) | Rolling machine with carrier band size abnormity alarm function | |
| CN207618769U (en) | A kind of clot equipment for electric wire | |
| JP2002213940A (en) | Instrument for measuring dimension of linear body | |
| CN202210552U (en) | Wet pole piece powder scraping machine for nickel-hydrogen battery cathode | |
| CN212498345U (en) | Material cutting device and cutting equipment | |
| CN216299471U (en) | Fixed-length cutting device of rubber tube cutting machine | |
| CN211227706U (en) | Setting machine with accurate width positioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |