CN104493285A - Expansion bolt sleeve cut-off machine - Google Patents
Expansion bolt sleeve cut-off machine Download PDFInfo
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- CN104493285A CN104493285A CN201410808227.9A CN201410808227A CN104493285A CN 104493285 A CN104493285 A CN 104493285A CN 201410808227 A CN201410808227 A CN 201410808227A CN 104493285 A CN104493285 A CN 104493285A
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- frame
- hinge joint
- cut
- cutter
- pipe
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Abstract
The invention discloses an expansion bolt sleeve cut-off machine. The expansion bolt sleeve cut-off machine is mainly composed of a frame, a motor, a gearbox driven by the motor, a sleeve cut-off device, a feeding device and a sizing device. The frame is a rectangular rigid support welded by use of profile steels; during machining, a raw material is enabled to move towards the sizing device under the combined action of the feeding device and a feeding hold-down device; after the feeding process of the raw material is completed, the highest point of an untightening cam on a timing cam shaft is upward and the feeding hold-down device is lifted up by the untightening cam; meanwhile, a pipe cutting control cam enables the cut-off tool of the sleeve cut-off device to move towards a steel pipe and complete the cut-off action; in the process that the cut steel pipe slides out of the machine via a sleeve discharging sliding chute, the pipe cutting control cam controls the cut-off tool to be lifted up and then returned, and the untightening cam enables the feeding hold-down device to return to complete the cut-off action. The expansion bolt sleeve cut-off machine is simple in overall machine structure, low in production cost, convenient to operate and repair, and capable of meeting the industrial, universal and standardized production requirements.
Description
Technical field
The present invention relates to a kind of metal pipe material and cut off equipment, be in a kind of expansion sleeve production process of expansion bolt, elongated raw material metal pipe automatic gauging cut into the equipment of expansion sleeve.
Background technology
At present, at the Length-fixing cutting of the expansion sleeve production process middle sleeve of expansion bolt, some employing original methods, cut off so that manpower is manual, this method not only production efficiency is low, poor product quality, percent defective is high, and cost of labor is high, labor strength is large, particularly current human resources are nervous, when there is recruitment famine, are more not suitable with the needs of modern production; Although the also employing mechanization cutting had, but the mechanized equipment adopted mostly is existing miscellaneous equipment or the improved simple machine of instrument, production efficiency is still very low, and these equipment are not special equipments, sleeve pipe incision burr is large, its product quality is uneven, is far not suitable with the demand of industrialization, generalization, standardized production.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to cut by automatic gauging, production efficiency is high, and constant product quality, adapt to a kind of expansion bolt sleeve tube cut-off machine of industrialization, generalization, standardized production.
The present invention solves the technical measures that its technical problem adopts:
A kind of expansion bolt sleeve tube cut-off machine, forms primarily of frame, motor, the gearbox driven by motor, driving-belt, drive, sprocket wheel, chain.The gearbox being provided with motor in the bottom of frame front end and being driven by motor, on the top of frame front end, casing pipe cutter is installed, described casing pipe cutter links holder by shearing device, be arranged on the cutter shaft on hinge joint holder, cutter shaft is installed the cutoff tool composition of fixing disc, hinge joint holder is the shape of a saddle, the middle part of hinge joint holder is fixed in frame by the hinge joint of longitudinal hinge joint fixed axis, cutter shaft is longitudinally arranged on the hinge joint holder of hinge joint fixed axis side, the cutoff tool control lever that hinge joint is fixed on frame front lower end is provided with in the bottom of the hinge joint holder of hinge joint fixed axis opposite side, and the bottom of the hinge joint holder of this side is provided with returning pull-spring, one end of returning pull-spring is connected and fixed with hinge joint holder, the other end of returning pull-spring is fastened in frame, the frame at casing pipe cutter rear portion is provided with pay-off, described pay-off is made up of the timing camshaft that laterally installation is fixing successively from front to back and power transmission shaft, timing camshaft described here refers to that the releasing cam installed on camshaft and Pipe Cutting control cam and can (timing) drive and its device linked or institution staff exactly, namely charging hold down gag lifts by releasing cam, meanwhile Pipe Cutting controls cam production and cutoff tool moves to steel pipe and completes cut-out action, the time that both alternately occur accurately and reliably, while an A action completing to preset, another must enter the B action preset.Timing camshaft and power transmission shaft are all provided with drawing-inroller and drive sprocket, corresponding before and after two drive sprockets and two drawing-inrollers, drawing-inroller is provided with spill annular groove, the vertical tangent plane at spill annular groove center on former and later two drawing-inrollers overlaps with the vertical tangent plane of cutter shaft longitudinal center, lower than the foot of cutter shaft front end bottom the annular groove of the spill annular groove of anterior drawing-inroller, timing camshaft is provided with releasing cam and Pipe Cutting control cam, cutoff tool controls the other end of lever and is positioned at Pipe Cutting and controls the below of cam and corresponding with it, control lever to be provided with the roller controlling cam Structure deformation with Pipe Cutting at Pipe Cutting control cam and the cutoff tool cutoff tool controlled between lever, the peak that releasing cam and Pipe Cutting control cam two cams is mutually vertical with the line of its centre of gyration, frame is provided with feeding pressing device, described feeding pressing device is by compressor arm, feeding contact roller, feeding contact roller wheel shaft, compressor arm cardan axle, the drop-down extension spring composition of compressor arm, respectively link on the top of timing camshaft and power transmission shaft and fix a compressor arm, one end of each compressor arm and frame link fixing, the drop-down extension spring of compressor arm is provided with between the other end of compressor arm and frame, each installation feeding contact roller on former and later two compressor arms, two feeding contact rollers lay respectively at the top of former and later two drawing-inrollers, two feeding contact rollers are arranged on former and later two compressor arms respectively by respective feeding contact roller wheel shaft, the wheel shaft of two feeding contact rollers is all provided with wheel shaft drive sprocket, power transmission shaft is provided with the wheel shaft drive sprocket matched with wheel shaft drive sprocket, wheel shaft drive sprocket and wheel shaft drive sprocket form driving-chain by driving chain, the bottom of fore compressor arm is also provided with the roller with releasing cam Structure deformation, longitudinal and horizontally disposed feed pipe is fixed with on the top of frame rear end, the center line of feed pipe can from back to front by the spill that two drawing-inrollers push up through and with the centerline parallel of cutter shaft, in the bottom of cutter shaft the frame being positioned at the front portion of anterior drawing-inroller is provided with length measuring device, the cutter shaft at length measuring device rear portion is mounted with cutoff tool, gearbox has two power output shafts, a power output shaft passes through driving-belt, cutter shaft drive on drive and cutter shaft forms driving-chain, another root power output shaft of gearbox passes through sprocket wheel, chain and drive sprocket and compression axis drive sprocket form driving-chain.
The present invention solves the technical measures that its technical problem adopts:
Casing pipe cutter of the present invention, pay-off, length measuring device and feeding pressing device are the expansion bolt casing pipe cutter of symmetrically arranged two groups of multiple operations in the left and right sides of frame, the public timing camshaft of expansion bolt casing pipe cutter of two groups of multiple operations and a power transmission shaft, the drive sprocket that timing camshaft and power transmission shaft are installed is positioned in the middle of the expansion bolt casing pipe cutter of two groups of multiple operations.
The present invention is fixed with sleeve pipe and cuts off bracket in the frame of cutoff tool bottom, and the bottom on top and feed pipe inner tubal wall that sleeve pipe cuts off bracket, in same horizontal plane, is provided with the feed pipe bracket be fixed in frame between former and later two drawing-inrollers.
The present invention controls the hinge joint holder on lever top to be provided with the adjusting bolt of stroke up and down that cutoff tool controls lever at cutoff tool, this adjusting bolt spinning is in the tapped through hole of hinge joint holder, the lower end of upper and lower stroke adjusting bolt is corresponding with the upper end that cutoff tool controls lever, it is the rigidity pedestal that top is provided with longitudinal fluting that sleeve pipe cuts off bracket, cut off vertical on bracket at sleeve pipe and be provided with many cutoff tools yielding grooves, the front and back position of length measuring device in frame is adjustable, and the frame of cutoff tool bottom is provided with sleeve pipe downslide chute.
Design feature of the present invention and operation principle as follows:
Frame of the present invention is the rectangle rigid support that steel welding is connected into, in the job step adding man-hour be: 1, charging---first elongated raw material steel pipe along feed pipe inner chamber by after move forward into equipment, under the acting in conjunction of pay-off and charging hold down gag, raw material steel pipe moves to length measuring device, fill process is completed when raw material steel pipe front end face withstands the rear end face of length measuring device, here length measuring device not only front and back position can adjust, reach the sleeve pipe producing different length, and length measuring device is a disk that can rotate around the fixed axis of its longitudinal direction, the front end face of disk is the rear end face of length measuring device and this end face is vertical guide,
2, cut off---when material cuts off bracket arrive in length measuring device process by sleeve pipe, the peak of the releasing cam on timing camshaft upwards, charging hold down gag lifts by releasing cam, meanwhile Pipe Cutting controls the peak of cam forward and rotate gradually, rotating the leverage of the control of Pipe Cutting simultaneously cam by cutoff tool control lever gradually, make the shearing device of casing pipe cutter hinge joint holder and cutoff tool control lever upwards to lift at the pedestal of same one end, the other end be provided with cutter shaft pedestal move downward drive cutting knife also move downward, cutoff tool moves to steel pipe and completes cut-out action, 3, reset---skid off in device procedures at cut steel pipe along going out sleeve pipe downslide chute, Pipe Cutting controls cam production cutoff tool and lifts and reset, and charging hold down gag resets by releasing cam, completes cut-out action.The gearbox (1) that the power drive of the whole course of work drives by motor, driving-belt, drive, sprocket wheel, drive sprocket, driving chain realize.
The invention has the beneficial effects as follows: install anodontia high-speed steel cutter blades and cut off steel pipe, the sleeve pipe impulse-free robustness produced, production efficiency is high, cost is low, product percent of pass more than 98%, and complete machine structure is simple, and operating maintenance is convenient.Adapt to the demand of industrialization, generalization, standardized production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (axle side schematic diagram);
Fig. 2 is the structural representation after timing camshaft of the present invention and upper installation cam thereof, sprocket wheel.
Detailed description of the invention
Shown in Fig. 1-Fig. 2, a kind of expansion bolt sleeve tube cut-off machine, forms primarily of frame, motor, the gearbox 1 driven by motor, driving-belt 7, drive, sprocket wheel, chain.Frame is the rectangle rigid support that steel welding is connected into, the gearbox 1 being provided with motor in the bottom of frame front end and being driven by motor, on the top of frame front end, casing pipe cutter 5 is installed, described casing pipe cutter 5 links holder by shearing device, be arranged on the cutter shaft on hinge joint holder, cutter shaft is installed the cutoff tool composition of fixing disc, hinge joint holder is the shape of a saddle, the middle part of hinge joint holder is fixed in frame by the hinge joint of longitudinal hinge joint fixed axis, cutter shaft is longitudinally arranged on the hinge joint holder of hinge joint fixed axis side, the cutoff tool control lever 6 that hinge joint is fixed on frame front lower end is provided with in the bottom of the hinge joint holder of hinge joint fixed axis opposite side, and the bottom of the hinge joint holder of this side is provided with returning pull-spring, one end of returning pull-spring is connected and fixed with hinge joint holder, the other end of returning pull-spring is fastened in frame, the frame at casing pipe cutter 5 rear portion is provided with pay-off 12, described pay-off 12 is made up of the timing camshaft 10 that laterally installation is fixing successively from front to back and power transmission shaft, timing camshaft and power transmission shaft are all provided with drawing-inroller 14 and drive sprocket 17, corresponding before and after two drive sprockets 17 and two drawing-inrollers 14, drawing-inroller 14 is provided with spill annular groove, the vertical tangent plane at spill annular groove center on former and later two drawing-inrollers 14 overlaps with the vertical tangent plane of cutter shaft longitudinal center, lower than the foot of cutter shaft front end bottom the annular groove of the spill annular groove of anterior drawing-inroller 14, timing camshaft is provided with releasing cam 15 and Pipe Cutting control cam 16, cutoff tool controls the other end of lever 6 and is positioned at Pipe Cutting and controls the below of cam 16 and corresponding with it, control lever 6 to be provided with the roller controlling cam 16 Structure deformation with Pipe Cutting at Pipe Cutting control cam 16 and the cutoff tool cutoff tool controlled between lever 6, the peak that releasing cam 15 and Pipe Cutting control cam 16 two cams is mutually vertical with the line of its centre of gyration, frame is provided with feeding pressing device 11, described feeding pressing device 11 is by compressor arm, feeding contact roller, feeding contact roller wheel shaft, compressor arm cardan axle, the drop-down extension spring composition of compressor arm, respectively link on the top of timing camshaft 10 and power transmission shaft and fix a compressor arm, one end of each compressor arm and frame link fixing, the drop-down extension spring of compressor arm is provided with between the other end of compressor arm and frame, each installation feeding contact roller on former and later two compressor arms, two feeding contact rollers lay respectively at the top of former and later two drawing-inrollers 14, two feeding contact rollers are arranged on former and later two compressor arms respectively by respective feeding contact roller wheel shaft, the wheel shaft of two feeding contact rollers is all provided with wheel shaft drive sprocket, power transmission shaft is provided with the wheel shaft drive sprocket matched with wheel shaft drive sprocket, wheel shaft drive sprocket and wheel shaft drive sprocket form driving-chain by driving chain, the bottom of fore compressor arm is also provided with the roller with releasing cam 15 Structure deformation, longitudinal and horizontally disposed feed pipe 13 is fixed with on the top of frame rear end, the center line of feed pipe 13 can from back to front by top on two drawing-inrollers 14 spill through and with the centerline parallel of cutter shaft, in the bottom of cutter shaft the frame being positioned at the front portion of anterior drawing-inroller 14 is provided with length measuring device 4, the cutter shaft at length measuring device 4 rear portion is mounted with cutoff tool, gearbox 1 has two power output shafts, a power output shaft is by driving-belt 7, cutter shaft drive on drive and cutter shaft forms driving-chain, another root power output shaft of gearbox 1 passes through sprocket wheel, chain and drive sprocket 17 and compression axis drive sprocket form driving-chain.Casing pipe cutter 5 described in the present embodiment, pay-off 12, length measuring device 4 and feeding pressing device 11 is the expansion bolt casing pipe cutter of symmetrically arranged two groups of multiple operations in the left and right sides of frame, the public timing camshaft 10 of expansion bolt casing pipe cutter of two groups of multiple operations and a power transmission shaft, the drive sprocket 17 that timing camshaft 10 and power transmission shaft are installed is positioned in the middle of the expansion bolt casing pipe cutter of two groups of multiple operations.The present embodiment is fixed with sleeve pipe and cuts off bracket 3 in the frame of cutoff tool bottom, the bottom on top and feed pipe 13 inner tubal wall that sleeve pipe cuts off bracket 3, in same horizontal plane, is provided with the feed pipe bracket be fixed in frame between former and later two drawing-inrollers 14.The present embodiment controls the hinge joint holder on lever 6 top to be provided with the adjusting bolt of stroke up and down that cutoff tool controls lever 6 at cutoff tool, upper and lower stroke adjusting bolt spinning is in the tapped through hole of hinge joint holder, the lower end of upper and lower stroke adjusting bolt is corresponding with the upper end that cutoff tool controls lever 6, sleeve pipe cuts off bracket 3 for top and is provided with the rigidity pedestal of longitudinal fluting, cut off vertical on bracket 3 at sleeve pipe and be provided with many cutoff tools yielding grooves, the front and back position of length measuring device 4 in frame is adjustable, and the frame of cutoff tool bottom is provided with sleeve pipe downslide chute 2.
Claims (4)
1. an expansion bolt sleeve tube cut-off machine, primarily of frame, motor, the gearbox (1) driven by motor, driving-belt (7), drive, sprocket wheel, chain forms, it is characterized in that: the gearbox (1) being provided with motor in the bottom of frame front end and being driven by motor, casing pipe cutter (5) is installed on the top of frame front end, described casing pipe cutter (5) links holder by shearing device, be arranged on the cutter shaft on hinge joint holder, cutter shaft is installed the cutoff tool composition of fixing disc, hinge joint holder is the shape of a saddle, the middle part of hinge joint holder is fixed in frame by the hinge joint of longitudinal hinge joint fixed axis, cutter shaft is longitudinally arranged on the hinge joint holder of hinge joint fixed axis side, the bottom of the hinge joint holder of hinge joint fixed axis opposite side is provided with cutoff tool control lever (6) that hinge joint is fixed on frame front lower end, and the bottom of the hinge joint holder of this side is provided with returning pull-spring, one end of returning pull-spring is connected and fixed with hinge joint holder, the other end of returning pull-spring is fastened in frame, the frame at casing pipe cutter (5) rear portion is provided with pay-off (12), described pay-off (12) is made up of the timing camshaft (10) that laterally installation is fixing successively from front to back and power transmission shaft, timing camshaft and power transmission shaft are all provided with drawing-inroller (14) and drive sprocket (17), two drive sprockets (17) and two drawing-inrollers (14) front and back correspondences, drawing-inroller (14) is provided with spill annular groove, the vertical tangent plane at spill annular groove center on former and later two drawing-inrollers (14) overlaps with the vertical tangent plane of cutter shaft longitudinal center, lower than the foot of cutter shaft front end bottom the annular groove of the spill annular groove of anterior drawing-inroller (14), timing camshaft is provided with releasing cam (15) and Pipe Cutting control cam (16), the other end that cutoff tool controls lever (6) is positioned at Pipe Cutting and controls the cam below of (16) and corresponding with it, control lever (6) to be provided with the roller controlling cam (16) Structure deformation with Pipe Cutting in Pipe Cutting control cam (16) and the cutoff tool cutoff tool controlled between lever (6), the peak that releasing cam (15) and Pipe Cutting control cam (16) two cams is mutually vertical with the line of its centre of gyration, frame is provided with feeding pressing device (11), described feeding pressing device (11) is by compressor arm, feeding contact roller, feeding contact roller wheel shaft, compressor arm cardan axle, the drop-down extension spring composition of compressor arm, respectively link on the top of timing camshaft (10) and power transmission shaft and fix a compressor arm, one end of each compressor arm and frame link fixing, the drop-down extension spring of compressor arm is provided with between the other end of compressor arm and frame, each installation feeding contact roller on former and later two compressor arms, two feeding contact rollers lay respectively at the top of former and later two drawing-inrollers (14), two feeding contact rollers are arranged on former and later two compressor arms respectively by respective feeding contact roller wheel shaft, the wheel shaft of two feeding contact rollers is all provided with wheel shaft drive sprocket, power transmission shaft is provided with the wheel shaft drive sprocket matched with wheel shaft drive sprocket, wheel shaft drive sprocket and wheel shaft drive sprocket form driving-chain by driving chain, the bottom of fore compressor arm is also provided with the roller with releasing cam (15) Structure deformation, longitudinal and horizontally disposed feed pipe (13) is fixed with on the top of frame rear end, the center line of feed pipe (13) can from back to front by the upper top of two drawing-inrollers (14) spill through and with the centerline parallel of cutter shaft, in the bottom of cutter shaft the frame being positioned at the front portion of anterior drawing-inroller (14) is provided with length measuring device (4), the cutter shaft at length measuring device (4) rear portion is mounted with cutoff tool, gearbox (1) has two power output shafts, a power output shaft is by driving-belt (7), cutter shaft drive on drive and cutter shaft forms driving-chain, another root power output shaft of gearbox (1) passes through sprocket wheel, chain and drive sprocket (17) and compression axis drive sprocket form driving-chain.
2. a kind of expansion bolt sleeve tube cut-off machine according to claim 1, it is characterized in that: described casing pipe cutter (5), pay-off (12), length measuring device (4) and feeding pressing device (11) are the expansion bolt casing pipe cutter of symmetrically arranged two groups of multiple operations in the left and right sides of frame, the public timing camshaft (10) of expansion bolt casing pipe cutter of two groups of multiple operations and a power transmission shaft, the drive sprocket (17) that timing camshaft (10) and power transmission shaft are installed is positioned in the middle of the expansion bolt casing pipe cutter of two groups of multiple operations.
3. a kind of expansion bolt sleeve tube cut-off machine according to claim 1 and 2, it is characterized in that: in the frame of cutoff tool bottom, be fixed with sleeve pipe cut off bracket (3), the bottom on top and feed pipe (13) inner tubal wall that sleeve pipe cuts off bracket (3), in same horizontal plane, is provided with the feed pipe bracket be fixed in frame between former and later two drawing-inrollers (14).
4. a kind of expansion bolt sleeve tube cut-off machine according to claim 3, is characterized in that, the hinge joint holder on cutoff tool control lever (6) top is provided with the adjusting bolt of stroke up and down that cutoff tool controls lever (6), upper and lower stroke adjusting bolt spinning is in the tapped through hole of hinge joint holder, the upper end that lower end and the cutoff tool of upper and lower stroke adjusting bolt control lever (6) is corresponding, sleeve pipe cuts off bracket (3) for top and is provided with the rigidity pedestal of longitudinal fluting, cut off the upper vertical of bracket (3) at sleeve pipe and be provided with many cutoff tools yielding grooves, length measuring device (4) front and back position in frame is adjustable, the frame of cutoff tool bottom is provided with sleeve pipe downslide chute (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808227.9A CN104493285B (en) | 2014-12-15 | 2014-12-15 | Expansion bolt sleeve cut-off machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410808227.9A CN104493285B (en) | 2014-12-15 | 2014-12-15 | Expansion bolt sleeve cut-off machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104493285A true CN104493285A (en) | 2015-04-08 |
| CN104493285B CN104493285B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410808227.9A Active CN104493285B (en) | 2014-12-15 | 2014-12-15 | Expansion bolt sleeve cut-off machine |
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| Country | Link |
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| CN (1) | CN104493285B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735708A (en) * | 2017-01-19 | 2017-05-31 | 东莞市神机自动化科技有限公司 | Tin bar pelleter |
| CN107363327A (en) * | 2017-07-22 | 2017-11-21 | 佛山市正略信息科技有限公司 | Steel plate continuous cutting device is used in a kind of electric oven production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3268137A (en) * | 1965-05-03 | 1966-08-23 | Calumet & Hecla | Method and apparatus for cutting tubes |
| US4257293A (en) * | 1979-07-16 | 1981-03-24 | National Manufacturing Company Inc. | Machine for trimming the edges of metal containers |
| CN2892343Y (en) * | 2005-03-02 | 2007-04-25 | 霍天明 | Expanding pipe opening cutting machine |
| CN201102263Y (en) * | 2007-05-16 | 2008-08-20 | 任献国 | Automatic grooving machine for plug bolt expansion tube |
| CN204339010U (en) * | 2014-12-15 | 2015-05-20 | 王士刚 | A kind of expansion bolt sleeve tube cut-off machine |
-
2014
- 2014-12-15 CN CN201410808227.9A patent/CN104493285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3268137A (en) * | 1965-05-03 | 1966-08-23 | Calumet & Hecla | Method and apparatus for cutting tubes |
| US4257293A (en) * | 1979-07-16 | 1981-03-24 | National Manufacturing Company Inc. | Machine for trimming the edges of metal containers |
| CN2892343Y (en) * | 2005-03-02 | 2007-04-25 | 霍天明 | Expanding pipe opening cutting machine |
| CN201102263Y (en) * | 2007-05-16 | 2008-08-20 | 任献国 | Automatic grooving machine for plug bolt expansion tube |
| CN204339010U (en) * | 2014-12-15 | 2015-05-20 | 王士刚 | A kind of expansion bolt sleeve tube cut-off machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735708A (en) * | 2017-01-19 | 2017-05-31 | 东莞市神机自动化科技有限公司 | Tin bar pelleter |
| CN107363327A (en) * | 2017-07-22 | 2017-11-21 | 佛山市正略信息科技有限公司 | Steel plate continuous cutting device is used in a kind of electric oven production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104493285B (en) | 2017-02-01 |
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Effective date of registration: 20190517 Address after: 057150 Zhouying Village, Dongyangzhuang Township, Yongnian District, Handan City, Hebei Province Patentee after: Handan Huaou Machinery Manufacturing Co., Ltd. Address before: 057150 No. 21, Zhouying Village, Dongyangzhuang Township, Yongnian County, Hebei Province Patentee before: Wang Shigang |