CN106975966B - Long rod material fixed-length conveying and collecting device - Google Patents
Long rod material fixed-length conveying and collecting device Download PDFInfo
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- CN106975966B CN106975966B CN201710138220.4A CN201710138220A CN106975966B CN 106975966 B CN106975966 B CN 106975966B CN 201710138220 A CN201710138220 A CN 201710138220A CN 106975966 B CN106975966 B CN 106975966B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/001—Lateral transport of long workpieces
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention relates to a bar cutting assembly line, in particular to a long bar fixed-length conveying and collecting device. The conveying mechanism mainly solves the technical problems that a conveying mechanism in the prior art is single in function, cannot convey a fixed length, cannot automatically collect long rod materials after being cut off, is high in production cost and the like. The automatic feeding device comprises a frame (1), wherein a whole bundling feeding device (2) is arranged on the frame (1), a conveying roller way (3) is arranged on one side of the whole bundling feeding device, an automatic feeding device (4) and an automatic feeding device (5) are arranged on the conveying roller way, and a long bar material collecting device (6) is arranged on the other side of the conveying roller way.
Description
Technical Field
The invention relates to a bar cutting assembly line, in particular to a long bar fixed-length conveying and collecting device.
Background
After being cut by a sawing machine, the long material needs to be carried to the next working procedure by a conveyor for carrying the finished product, and the manual conveying is complicated at present. The Chinese patent discloses a round steel cutting and conveying mechanism and a production process thereof (publication No. CN 105234737A), wherein the round steel cutting and conveying mechanism comprises a slide way and an inclined support frame which is positioned beside the slide way and is used for arranging and placing round steel, and a steel cutting machine is arranged at the front end of the slide way; the slide way is provided with limiting plates for limiting the round steel of the support frame to roll into the slide way, the slide way is provided with prying plates capable of overturning up and down at intervals, and the prying plates extend into the bottom of the round steel closest to the slide way on the support frame so as to pry the round steel closest to the slide way on the support frame to move upwards when the seesaw overturns upwards, then pass through the limiting plates and roll into the slide way; the slide way is provided with a rotating shaft at intervals, the pry plate is fixedly connected to the rotating shaft, the rotating shaft is fixedly connected with a crutch-shaped swing arm extending to the lower part of the slide way, the crutch parts of all the swing arms are hinged to the same connecting rod, and the connecting rod is driven by a driving cylinder to reciprocate and drives the pry plate to turn up and down through the swing arm; an upright wedge plate is arranged at one side of the slideway far away from the support frame at intervals, a wedge surface of the wedge plate is positioned at one side facing the support frame, supporting rollers are arranged at the bottom of the slideway at intervals, upright side rollers are arranged at one side of the slideway opposite to the wedge plate at intervals, and the wedge plate, the supporting rollers and the side rollers jointly support round steel falling into the slideway; the dragging clamping mechanism is arranged at the front end of the slideway and used for dragging round steel in the slideway to intermittently move forwards, the dragging clamping mechanism comprises a sliding seat capable of moving back and forth in a reciprocating manner, a pair of clamping plates are hinged to the side of the sliding seat, an arc clamping part is arranged on the inner side of each clamping plate, a rubber layer is arranged on each arc clamping part, and each clamping plate is clamped or loosened by a hydraulic cylinder; the production process comprises the following steps: arranging round steel on a supporting frame; controlling the prying plate to swing upwards, prying round steel closest to the slideway on the support frame to enable the round steel to pass through the limiting plate and roll on the prying plate; controlling the prying plate to swing downwards, wherein round steel on the prying plate falls into the slideway; dragging the round steel to intermittently move forward, and cutting the round steel into sections by a steel cutting machine at the front end of the slide way. However, the conveying mechanism has single function, cannot convey the long rod materials in a fixed length, cannot automatically collect the long rod materials after the long rod materials are cut off, and has high production cost.
Disclosure of Invention
The invention provides a long rod material fixed-length conveying and collecting device, which mainly solves the technical problems that a conveying mechanism in the prior art is single in function, cannot carry out fixed-length conveying, cannot automatically collect long rod materials after being cut off, is high in production cost and the like.
The technical problems of the invention are mainly solved by the following technical proposal:
the invention relates to a long rod material fixed-length conveying and collecting device which comprises a frame, wherein a whole bundling feeding device is arranged on the frame, a conveying roller way is arranged on one side of the whole bundling feeding device, an automatic feeding device and an automatic feeding device are arranged on the conveying roller way, and a long rod material collecting device is arranged on the other side of the conveying roller way. The whole bundle feeding device separates whole bundles of long rod materials, then the long rod materials are conveyed to the conveying roller way, the automatic feeding device can realize the fixed length from a main machine sawing line to any position direction of the feeding conveying roller way end through positioning according to the needs, and after sawing is completed, a finished product can be sent into the long rod material collecting device through the automatic feeding device. All the procedures are automatically completed without manual operation.
Preferably, the whole-bundle feeding device comprises a plurality of feeding rods, wherein the feeding rods incline to the conveying roller way, the inner ends of the feeding rods are provided with stop blocks for blocking long bars, one side of each feeding rod is provided with a lifting block capable of being lifted above the feeding rod, the lifting block is connected with lifting racks, the lifting racks are meshed with lifting gears, and all the lifting gears are connected with a driving motor through lifting transmission rods. The whole bundling feeding device is characterized in that a driving motor and a speed reducing device drive a plurality of groups of lifting gears and lifting racks to move so as to convey bundled and unpacked workpieces to an automatic feeding and stirring device one by one. And then the automatic feeding and stirring device stirs and sends the workpiece to the feeding conveying roller way through the action of the stirring oil cylinder, and then the workpiece is conveyed to the jaw part of the main machine through the feeding conveying roller way for sawing, so that the labor intensity of workers is greatly reduced, and meanwhile, the sawing auxiliary time is shortened. The lifting transmission rod can drive the lifting gears to rotate simultaneously, so that the lifting gears can drive each lifting rack to lift, the lifting blocks are controlled to lift, and when the lifting blocks rise to the upper part of the feeding rod, the long rod workpiece can cross the stop block of the feeding rod, and is conveyed into the conveying roller way.
Preferably, the automatic feeding and stirring device comprises a plurality of free rollers and a plurality of bearing seats on a conveying roller way, a stirring plate is connected to the bearing seats, the upper end surface of the stirring plate is an inclined surface inclined towards the long rod material collecting device, the stirring plate is connected with short connecting rods, all the short connecting rods are connected to the long connecting rods, and the long connecting rods are connected with stirring cylinders. One group of material stirring mechanisms stir raw materials from the material bearing rack to the upper part of the feeding conveying roller way, and the other group of material stirring mechanisms stir long material products with cut material heads out of the feeding conveying roller way to a long rod material collecting device for collection, so that the functions of conveying and transferring raw materials and finished products and the like are mainly achieved. The material stirring cylinder can drive the short connecting rod to move through the long connecting rod, so that the material stirring plate can be controlled to lie flat or turn up, and when the material stirring plate turns up, the long bar can be guided to roll towards the long bar collecting device due to the inclined surface on the material stirring cylinder.
Preferably, the automatic feeding device comprises a linear guide rail arranged on one side of the conveying roller way, the linear guide rail is connected with a support in a sliding manner, the support is connected with a planetary reducer and a servo motor through a rack and a pinion, a clamping block capable of clamping long bars is arranged on the support, and the clamping block is connected with a clamping oil cylinder. The servo motor with the brake drives the support to move back and forth and accurately position on the linear guide rail in the direction parallel to the feeding conveying roller way by driving the planetary reducer and the gear rack, and the fixed length from the sawing line of the host machine to any position direction of the feeding conveying roller way end can be realized, so that the requirements of long-stroke positioning and fixed length are met, and the servo motor has the characteristics of simplicity and convenience in fixed length and high efficiency. After positioning, the clamping cylinder can be driven, so that the clamping block can clamp the long bar material at a required position, and the long bar material is sent into the sawing machine.
Preferably, the long bar material collecting device comprises a plurality of groups of U-shaped frames, U-shaped grooves are formed in the U-shaped frames, two rollers are arranged at the upper end of each group of U-shaped frames, a flexible hanging strip is arranged between the two rollers, one end of the flexible hanging strip is wound on a roller disc, the upper end of each U-shaped frame is further hinged with a J-shaped guide rod, the outer ends of all the guide rods are connected together through the collection rods, and the middle of one guide rod is hinged with the collection oil cylinder. After the workpieces roll and slide onto the flexible hanging belts one by one and reach a certain number, the flexible hanging belts fall into the U-shaped grooves of the U-shaped rack through the speed reducing device, and then bundling and packaging are carried out. The device can not only ensure that the surface of the workpiece is not scratched when rolling, but also realize disposable packaging in place, and has better superior performance. The flexible suspender can be retracted and extended through the roller disc to adjust the length. The collecting oil cylinder can drive at least one guide rod to swing through the connecting rod mechanism, so that all the guide rods can be driven to descend through the collecting rod, and long rod materials are guided to slide onto the flexible hanging belt.
Preferably, the material stirring plate is 7-shaped. The 7-shaped stirring plate can guide long bars on one hand, and the notch of the 7-shaped stirring plate can allow the bearing seat to pass through when the whole stirring plate is turned up and turned down on the other hand.
Preferably, the bearing seat is connected with a baffle, a protrusion capable of blocking the long bar is arranged on one side of the baffle, which is close to the long bar collecting device, and the baffle is movably connected with an extension plate. When long bar falls from the whole bundling feeding device, the baffle can be turned up to support the long bar, then slowly descends to place the long bar on a free roller of the conveying roller way, and the baffle and the material stirring plate can be arranged at intervals. The protrusions on the baffle plate can prevent long bars from rolling off, and the position of the extension plate on the baffle plate can be adjusted by the extension plate, so that the long bars can be guided according to the requirements.
Therefore, the invention can automatically perform bundling feeding, automatic material shifting and conveying roller way, automatic fixed-length conveying and sawing, automatic material shifting and collecting device after sawing, and all procedures are automatically completed, thus having higher integration level, diversified functions, lower production cost and simple and reasonable structure.
Drawings
FIG. 1 is a schematic illustration of a construction of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic structural view of the entire bale loading device of the present invention;
FIG. 5 is a schematic view of an automatic loading and kickoff of the present invention;
FIG. 6 is a schematic view of a structure of the automatic feeding apparatus of the present invention;
fig. 7 is a schematic view of a long bar collecting device according to the present invention.
Parts, parts and numbers in the figures: the automatic feeding device comprises a frame 1, an integral bundling feeding device 2, a conveying roller way 3, an automatic feeding device 4, an automatic feeding device 5, a long bar collecting device 6, a feeding rod 7, a stop block 8, a lifting block 9, a lifting rack 10, a lifting gear 11, a lifting transmission rod 12, a free roller 13, a bearing seat 14, a stirring plate 15, a short connecting rod 16, a long connecting rod 17, a stirring cylinder 18, a linear guide rail 19, a support 20, a servo motor 21, a clamping block 22, a clamping cylinder 23, a U-shaped frame 24, rollers 25, a flexible sling 26, a roller disc 27, a guide rod 28, a collecting rod 29, a collecting cylinder 30, a baffle 31, an extension plate 32, a circular saw host 33 and a receiving roller way 34.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Examples: the long rod material fixed-length conveying and collecting device of the embodiment, as shown in fig. 1, 2 and 3, comprises a frame 1, wherein a whole bundling feeding device 2 is arranged on the frame, a conveying roller way 3 is arranged on one side of the whole bundling feeding device, an automatic feeding device 4 and an automatic feeding device 5 are arranged on the conveying roller way, and a long rod material collecting device 6 is arranged on the other side of the conveying roller way.
As shown in fig. 4, the whole-bundle feeding device 2 comprises a plurality of feeding rods 7, the feeding rods incline towards the conveying roller table 3, the inner ends of the feeding rods are provided with stop blocks 8 for blocking long bars, one sides of the feeding rods are provided with lifting blocks 9 which can be lifted above the feeding rods, the lifting blocks are connected with lifting racks 10, the lifting racks are meshed with lifting gears 11, and all the lifting gears are connected with a driving motor through lifting transmission rods 12.
As shown in fig. 5, the automatic feeding and stirring device 4 comprises a plurality of free rollers 13 and a plurality of bearing seats 14 on the conveying roller way 3, and stirring plates 15 are connected to the bearing seats and are in a 7 shape. The upper end face of the stirring plate is an inclined plane inclined to the long bar collecting device 6, the stirring plate is connected with short connecting rods 16, all the short connecting rods are connected to long connecting rods 17, and the long connecting rods are connected with stirring cylinders 18. The bearing seat 14 is also connected with a baffle 31 which is arranged at intervals with the stirring plate, one side of the baffle, which is close to the long bar collecting device 6, is provided with a protrusion which can block the long bar, and the baffle is movably connected with an extension plate 32.
As shown in fig. 6, the automatic feeding device 5 comprises a linear guide rail 19 arranged on one side of the conveying roller way 3, a support 20 is slidably connected with the linear guide rail, the support is connected with a planetary reducer and a servo motor 21 through a rack and a pinion, a clamping block 22 capable of clamping long bars is arranged on the support, and the clamping block is connected with a clamping oil cylinder 23.
Referring to fig. 7, the long bar collecting device 6 includes a plurality of groups of U-shaped frames 24, wherein a U-shaped groove is provided in each group of U-shaped frames, two rollers 25 are provided at the upper end of each group of U-shaped frames, a flexible sling 26 is provided between the two rollers, one end of the flexible sling is wound on a roller disc 27, the upper end of each U-shaped frame is further hinged with a J-shaped guide rod 28, the outer ends of all the guide rods are connected together by a collecting rod 29, and a collecting cylinder 30 is hinged at the middle of one guide rod.
When the long bar material sawing machine is used, long bar materials to be sawed are arranged on the feeding rod 7, the motor drives the lifting transmission rod 12 to rotate, so that the lifting gears 11 rotate, the lifting racks 10 meshed with the lifting gears lift to drive the lifting blocks 9 to lift, after the lifting blocks lift to a height higher than that of the feeding rod, the long bar materials can cross the stop block 8 and fall onto the baffle plate 31, and after the baffle plate is turned down, the long bar materials fall onto the free rollers 13 of the conveying roller table 3. Through servo motor 21, rack and pinion's transmission for support 20 carries out back and forth movement along linear guide 19, and when the support reached required position, clamping cylinder 23 worked, and clamping piece 22 just can clip the long stick material of required fixed length, sent it to circular saw host computer 33 and saw cut, and front end long stick material can pass through and accept roll table 34, and rear end long stick material can stay on the roll table. The material shifting cylinder 18 is started, the long connecting rods 17 and the short connecting rods 16 drive the material shifting plates 15 to turn up, so that the sawn long bar materials can be lifted, the collecting cylinder 30 drives the guide rod 28 to swing downwards to receive the long bar materials on the material shifting plates, the long bar materials can roll down into the flexible hanging strip 26 and the U-shaped groove of the U-shaped frame 24 along the guide rod, and finally bundling and packaging are carried out.
The above embodiments are merely examples of the present invention, but the present invention is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present invention.
Claims (2)
1. The long rod material fixed-length conveying and collecting device comprises a frame (1) and is characterized in that a whole bundling feeding device (2) is arranged on the frame (1), a conveying roller way (3) is arranged on one side of the whole bundling feeding device, an automatic feeding device (4) and an automatic feeding device (5) are arranged on the conveying roller way, and a long rod material collecting device (6) is arranged on the other side of the conveying roller way; the whole-bundling feeding device (2) comprises a plurality of feeding rods (7), wherein the feeding rods incline towards the conveying roller table (3), the inner ends of the feeding rods are provided with stop blocks (8) for blocking long bars, one sides of the feeding rods are provided with lifting blocks (9) which can be lifted above the feeding rods, the lifting blocks are connected with lifting racks (10), the lifting racks are meshed with lifting gears (11), and all the lifting gears are connected with a driving motor through lifting transmission rods (12); the automatic feeding and stirring device (4) comprises a plurality of free rollers (13) and a plurality of bearing seats (14) on the conveying roller way (3), a stirring plate (15) is connected to the bearing seats, the upper end surface of the stirring plate is an inclined surface inclined to the long rod material collecting device (6), the stirring plate is connected with short connecting rods (16), all the short connecting rods are connected to long connecting rods (17), and the long connecting rods are connected with stirring cylinders (18); the automatic feeding device (5) comprises a linear guide rail (19) arranged at one side of the conveying roller way (3), the linear guide rail is connected with a support (20) in a sliding manner, the support is connected with a planetary reducer and a servo motor (21) through a rack gear, a clamping block (22) capable of clamping long bars is arranged on the support, and the clamping block is connected with a clamping oil cylinder (23); the long bar collecting device (6) comprises a plurality of groups of U-shaped frames (24), U-shaped grooves are formed in the U-shaped frames, two rollers (25) are arranged at the upper end of each group of U-shaped frames, a flexible hanging strip (26) is arranged between the two rollers, one end of the flexible hanging strip is wound on a roller disc (27), the upper ends of the U-shaped frames are further hinged with J-shaped guide rods (28), the outer ends of all the guide rods are connected together through collecting rods (29), the middle part of one guide rod is hinged with a collecting oil cylinder (30), a baffle (31) is connected on a bearing seat (14), a protrusion capable of blocking long bars is arranged on one side of the baffle, close to the long bar collecting device (6), of the baffle, and an extension plate (32) is movably connected on the baffle;
when the long bar material sawing machine is used, long bar materials to be sawed are arranged on a feeding rod (7), a motor drives a lifting transmission rod (12) to rotate, so that a plurality of lifting gears (11) rotate, lifting racks (10) meshed with the lifting gears lift to drive lifting blocks (9) to lift, after the lifting blocks lift to a height higher than the feeding rod, the long bar materials can cross a stop block (8) to fall onto a baffle plate (31), and after the baffle plate is turned down, the long bar materials fall onto free rollers (13) of a conveying roller way (3); the support (20) moves forwards and backwards along the linear guide rail (19) through the transmission of the servo motor (21) and the gear rack, when the support reaches a required position, the clamping cylinder (23) works, the clamping block (22) can clamp a long bar material with a required fixed length, the long bar material is sent to the circular saw host (33) for sawing, the long bar material at the front end can pass through the bearing roller way (34), and the long bar material at the rear end can be left on the conveying roller way; the material stirring cylinder (18) is started, the material stirring plates (15) are driven to turn up through the long connecting rod (17) and the short connecting rod (16), so that the sawn long bar can be lifted, the collecting cylinder (30) drives the guide rod (28) to swing downwards to receive the long bar materials on the material stirring plates, the long bar materials can roll down into the U-shaped grooves of the flexible hanging strip (26) and the U-shaped frame (24) along the guide rod, and finally bundling and packaging are carried out.
2. The device for transporting and collecting the long bar according to claim 1, wherein the material stirring plate (15) is 7-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710138220.4A CN106975966B (en) | 2017-03-09 | 2017-03-09 | Long rod material fixed-length conveying and collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710138220.4A CN106975966B (en) | 2017-03-09 | 2017-03-09 | Long rod material fixed-length conveying and collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106975966A CN106975966A (en) | 2017-07-25 |
| CN106975966B true CN106975966B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710138220.4A Active CN106975966B (en) | 2017-03-09 | 2017-03-09 | Long rod material fixed-length conveying and collecting device |
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| CN (1) | CN106975966B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792600A (en) * | 2020-12-19 | 2021-05-14 | 陕西铁兰钢业装饰装修工程有限公司 | Automatic cutting machine |
| CN115026623B (en) * | 2022-05-31 | 2023-08-25 | 东方电气集团东方锅炉股份有限公司 | Intelligent blanking device for small-caliber short pipe |
| CN115555635B (en) * | 2022-10-31 | 2024-06-11 | 青岛琴鸿自动化设备有限公司 | Cutting equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601668A (en) * | 2012-03-19 | 2012-07-25 | 浙江罗森博格机床有限公司 | Automatic feeding device for circular sawing machine |
| CN203265781U (en) * | 2013-05-17 | 2013-11-06 | 无锡海特铝业有限公司 | Cast bar positioning cutting device |
| CN203330773U (en) * | 2013-06-17 | 2013-12-11 | 张学强 | Automatic section bar feeding device |
| WO2014008821A1 (en) * | 2012-07-11 | 2014-01-16 | 深圳深蓝精机有限公司 | Apparatus for feeding bar stocks |
| CN203581788U (en) * | 2013-12-04 | 2014-05-07 | 无锡市裕神液压机械有限公司 | Conveying equipment |
| CN204018850U (en) * | 2014-07-09 | 2014-12-17 | 浙江罗森博格机床有限公司 | A kind of self-feeding of sawing machine and deflection mechanism |
-
2017
- 2017-03-09 CN CN201710138220.4A patent/CN106975966B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601668A (en) * | 2012-03-19 | 2012-07-25 | 浙江罗森博格机床有限公司 | Automatic feeding device for circular sawing machine |
| WO2014008821A1 (en) * | 2012-07-11 | 2014-01-16 | 深圳深蓝精机有限公司 | Apparatus for feeding bar stocks |
| CN203265781U (en) * | 2013-05-17 | 2013-11-06 | 无锡海特铝业有限公司 | Cast bar positioning cutting device |
| CN203330773U (en) * | 2013-06-17 | 2013-12-11 | 张学强 | Automatic section bar feeding device |
| CN203581788U (en) * | 2013-12-04 | 2014-05-07 | 无锡市裕神液压机械有限公司 | Conveying equipment |
| CN204018850U (en) * | 2014-07-09 | 2014-12-17 | 浙江罗森博格机床有限公司 | A kind of self-feeding of sawing machine and deflection mechanism |
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| CN106975966A (en) | 2017-07-25 |
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Effective date of registration: 20230727 Address after: No. 661, Jiyi Road, Wanghai street, Haiyan County, Jiaxing City, Zhejiang Province, 314300 Applicant after: ZHEJIANG JINGWEI SPECIAL MACHINE TOOL Co.,Ltd. Address before: 311261 Qingshan Village, Daicun Town, Xiaoshan District, Hangzhou City, Zhejiang Province (Mingtang) Applicant before: HANGZHOU JINGWEI SPECIAL TOOL CO.,LTD. |
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