CN202684202U - Workpiece cutting device - Google Patents
Workpiece cutting device Download PDFInfo
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- CN202684202U CN202684202U CN 201220258445 CN201220258445U CN202684202U CN 202684202 U CN202684202 U CN 202684202U CN 201220258445 CN201220258445 CN 201220258445 CN 201220258445 U CN201220258445 U CN 201220258445U CN 202684202 U CN202684202 U CN 202684202U
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- support body
- cutting
- slip support
- workpiece
- work piece
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Abstract
The utility model discloses a workpiece cutting device which is electrically connected with a controller and is suitable for on-line cutting of workpieces conveyed by a production line. The workpiece cutting device comprises a machine body arranged on the production line, a sliding frame body which is arranged on the machine body in a sliding manner and is provided with a conveying channel, a driving mechanism which is arranged on the machine body and drives the sliding frame body to slide on the machine body, a cutting mechanism which is arranged on the sliding frame body and is used for cutting a workpiece entering a conveying channel into workpiece sections, and a cutting driver which is arranged on the sliding frame body and drives the cutting mechanism to move toward the workpiece in the conveying channel, wherein the cutting driver, the driving mechanism and the cutting mechanism are electrically connected with the controller. The workpiece cutting device can cut and process the workpiece under the condition that the production line is not stopped, and the workpiece is conveyed, so that the working efficiency is improved; and different requirements can be met by changing the cutting length of the workpiece according to a demand.
Description
Technical field
The utility model relates to a kind of work piece cut device, relates in particular to a kind of work piece cut device that can carry out to the workpiece that production line is carried cutting on line.
Background technology
Along with the development of economy and improving constantly of science and technology, be the good condition of the flourish creation of automation industry, thereby accelerated the developing steps of automation industry, required to be adapted to following development.
Wherein, in the manufacture process of aluminum strip automation, can relate to numerous manufacturing processes, the refrigerating work procedure that cools off such as the casting process of aluminum strip, to casting aluminum strip out, the aluminum strip of cooling be carried out the cutting action of segment and the aluminium section carried out the operation such as other processing.For so that start between each operation coordinate and have a continuity, to improve the manufacturing efficient of whole aluminum strip production system, the equipment that correspondingly requires to be applied on each operation can carry out online processing start to the aluminum strip in the production line conveying, avoid as much as possible aluminum strip to be in halted state because pause causes production line, but but there is following deficiency in the existing cutter sweep that aluminum strip is cut:
Existing cutter sweep is mounted on the production line, when the aluminum strip that production line is transported when it cuts into successively an aluminium section, production line makes first aluminum strip be delivered to the cutter sweep place, and then, production line suspends to be carried the continuation of aluminum strip, then, by cutter sweep aluminum strip is cut, after cutting was finished, production line was transported to aluminum strip to be cut the cutting of cutter sweep place again, simultaneously, production line also is transported to other operation to the aluminium section after the cutting and sentences accordingly and process.
Yet, because when the aluminum strip that existing cutter sweep transports production line cuts, need to make production line be in halted state, the production line that suspends then can have influence on the continuity of whole aluminum strip production system, thereby has reduced the operating efficiency and the manufacturing cost that has increased aluminum strip of whole aluminum strip production system.
Equally, also there is above-mentioned same problem in above-mentioned cutter sweep to when other metal works except aluminum strip cuts.
Therefore, be badly in need of wanting a kind of work piece cut device to overcome above-mentioned defective.
The utility model content
The purpose of this utility model is to provide a kind of work piece cut device, and this work piece cut device can carry out cutting on line to increase work efficiency and to reduce manufacturing cost to the workpiece that production line is carried.
For realizing above-mentioned purpose, the utility model provides a kind of work piece cut device that is electrically connected with controller, the workpiece that is adapted to production line is carried carries out cutting on line, this work piece cut device comprises the bed body that is positioned on the production line, slip is arranged on the described bed body and the slip support body of tool transfer passage, be arranged on the described bed body and drive the driving mechanism that described slip support body slides at described bed body, be arranged on the described slip support body and become the cutting mechanism of workpiece section and be arranged on the described slip support body and order about the cutting driver that described cutting mechanism moves towards the workpiece place in the described transfer passage, described cutting driver entering work piece cut in the described transfer passage, driving mechanism and cutting mechanism all are electrically connected with described controller.
Preferably, described work piece cut device also comprises the hold-down mechanism that is arranged on the described slip support body and the workpiece that enters in the described transfer passage is compressed, described hold-down mechanism is electrically connected corresponding to the input of described transfer passage and with described controller, described cutting mechanism is corresponding to the output of described transfer passage, be cut again after first compacted so that enter workpiece in the transfer passage, thereby improve the cut quality of workpiece.
Preferably, described slip support body extends upward a mounting bracket that is positioned at described transfer passage top, and described hold-down mechanism is installed on the described mounting bracket, and this mounting bracket is convenient to the mounting arrangement of hold-down mechanism.
Preferably, described hold-down mechanism comprises linear actuator and the compressing member that is connected with described linear actuator, described linear actuator is installed on the described mounting bracket and with described controller and is electrically connected, and described linear actuator vertically orders about the compression fit that described compressing member and described slip support body are done coordination, so that the structure of hold-down mechanism is simpler and layout is compacter.
Preferably, described hold-down mechanism also comprises a backing plate, described backing plate is installed on the position that is positioned at described transfer passage of described slip support body, and described backing plate is corresponding with described compressing member, so that compressing member can carry out simpler and more reliable clamping to the workpiece that enters in the transfer passage with cooperating of backing plate.
Preferably, described cutting mechanism comprises vertically the cutting assembly that is arranged at the sliding platform on the described slip support body and is arranged on the described sliding platform and is electrically connected with described controller that slides, and described cutting driver is connected with described sliding platform.Particularly, described cutting assembly comprises the rotating driver that is installed on the described sliding platform and is electrically connected with described controller, be connected in the first drive, the second drive that is connected with described the first drive on the described rotating driver, be articulated on the described sliding platform and be the fixing rotating shaft that passes described the second drive and be installed in circumgyration incision spare on the described rotating shaft, so that the simple in structure and practicality of cutting mechanism.
Preferably, described slip support body vertically is equipped with guide, and described guide is distributed in the both sides of described transfer passage, and described sliding platform is placed on the described guide, so that the slip of sliding platform on the slip support body is more steady reliable.
Preferably, described driving mechanism comprises the rotary driver, the drive sprocket that is connected in described rotary driver that are arranged on the described bed body and are electrically connected with described controller, be articulated on the described bed body and the driven sprocket corresponding with described drive sprocket and be connected the chain of described drive sprocket and driven sprocket, described slip support body is fixedly connected with described chain, so that the knot of driving mechanism is simple and practical, and be adapted to the driving to the slip support body away from distance.
Preferably, described bed body also is provided with the guide rail that slides for described slip support body and limits the first limit switch of described slip support body sliding distance on described bed body, and described the first limit switch and described controller are electrically connected.Wherein, by guide rail, so that the slip of slip support body on the bed body is more steady and more reliable; By the first limit switch, so that the travelling carriage physical efficiency is done reciprocal slip at the bed body.
Compared with prior art, because what slip support body of the present utility model slided is arranged on the body, and be arranged at driving mechanism on the body by controller by control and remove to order about the slip support body and slide at the bed body, so the workpiece that slip support body and production line are carried is done synchronous coordination and is slided, thereby workpiece is remained static with respect to the slip support body; Again owing to cutting mechanism and cutting driver all arrange on the slip support body, and order about cutting mechanism by controller by the cutting driver workpiece that enters in the transfer passage is cut start, so so that work piece cut device of the present utility model can carry out to the workpiece that production line is carried online cutting start, thereby improved the production efficiency of workpiece and the manufacturing cost of reduction workpiece, and can change neatly as required the Cutting Length of workpiece.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model work piece cut device one angle.
Fig. 2 is the three-dimensional structure diagram of another angle of the utility model work piece cut device.
Fig. 3 is that cutting mechanism, hold-down mechanism and the cutting driver of the utility model work piece cut device is assemblied in the three-dimensional structure diagram on the slip support body.
The specific embodiment
In order to describe technology contents of the present utility model, structural feature in detail, below in conjunction with embodiment and cooperate accompanying drawing to be described further.
See also Fig. 1 to Fig. 3, work piece cut device 100 of the present utility model is electrically connected with controller, and the workpiece that 100 pairs of production lines of this work piece cut device are carried carries out cutting on line.Wherein, work piece cut device 100 of the present utility model comprises the bed body 10 that is positioned on the production line, slip is arranged on the described bed body 10 and the slip support body 20 of tool transfer passage 21, be arranged on the described bed body 10 and drive the driving mechanism 30 that described slip support body 20 slides at described bed body 10, be arranged on the described slip support body 20 and the work piece cut in the described transfer passage 21 of entering of being carried by production line are become the cutting mechanism 40 of workpiece section and are arranged on the described slip support body 20 and order about the cutting driver 50 that described cutting mechanism 40 moves towards the workpiece places in the described transfer passage 21, this cutting driver 50 is more excellent to be a cylinder simplifying the structure of cutting driver 50, and described cutting driver 50, driving mechanism 30 and cutting mechanism 40 all are electrically connected with described controller.Wherein, for so that enter workpiece in the transfer passage 21 and be cut again after first compacted, to improve the cut quality of workpiece, be arranged on the described slip support body 20 and the hold-down mechanism 60 that compresses entering described transfer passage 21 interior workpiece so work piece cut device 100 of the present utility model also comprises, this hold-down mechanism 60 is corresponding to the input of described transfer passage 21, and hold-down mechanism 60 also is electrically connected with described controller, and described cutting mechanism 40 is corresponding to the output of described transfer passage 21.More specifically, as follows:
Than the superior, described slip support body 20 vertically extends upward a mounting bracket 22 that is positioned at described transfer passage 21 tops, and described hold-down mechanism 60 is installed on the described mounting bracket 22 so that the mounting arrangement of hold-down mechanism 60.Particularly, in the present embodiment, this slip support body 20 comprises a top board 24, one base plate 25 and a guide 23(are more excellent to be the axis of guide), the setting that top board 24 and base plate 25 are parallel to each other, and guide 23 is between top board 24 and base plate 25, and the two ends of guide 23 are fixedly connected respectively with top board 24 and base plate 25, the guide 23 that is fixedly connected with base plate 25 with top board 24 is the both sides that are distributed in transfer passage 21, and mounting bracket 22 is to be installed on the base plate 25 by the mode of welding, purpose is to reduce the use amount of slip support body 20 materials with weight and the cost of reduction slip support body 20, and makes the slip of slip support body 20 on bed body 10 more reliable.
Simultaneously, described hold-down mechanism 60 comprises linear actuator 61 and the compressing member 62 that is connected with described linear actuator 61, this linear actuator 61 more preferably is selected as a cylinder provides the linear actuator 61 of linear drives power with simplification structure, and linear actuator 61 is mounted on the described mounting bracket 22 and with described controller and is electrically connected, the linear actuator 61 that is electrically connected with controller also vertically orders about the compression fit that described compressing member 62 and described slip support body 20 are done coordination, so that the structure of hold-down mechanism 60 is simpler and layout is compacter, particularly, in the present embodiment, this compressing member 62 is that a pressing plate is to simplify the structure of this compressing member 62, for the vertical movement that makes compressing member 62 more steady reliable, so the two ends of compressing member 62 also are fixed with the axis of guide 64, vertically slide in the top of this axis of guide passes mounting bracket 22 and stretches out outside the mounting bracket 22.Wherein, for carrying out simpler and more reliable clamping so that 62 pairs of compressing members enter transfer passage 21 interior workpiece, so hold-down mechanism 60 also is provided with a backing plate 63, this backing plate 63 is installed on the position of the described transfer passage 21 of being positioned at of described slip support body 20, specifically be installed on the base plate 25 of slip support body 20, and the cooperation that described backing plate 63 and described compressing member 62 are corresponding is in order to can clamp the workpiece in the transfer passage 21 reliably.
Moreover, described cutting mechanism 40 comprises vertically the cutting assembly 42 that is arranged at the sliding platform 41 on the described slip support body 20 and is arranged on the described sliding platform 41 and is electrically connected with described controller that slides, and described cutting driver 50 is connected with described sliding platform 41.Particularly, described sliding platform 41 is between the top board 24 and base plate 25 of slip support body 20, and sliding platform 41 is to be placed on the guide 23 of slip support body 20, so that the slip of sliding platform 41 on slip support body 20 is more steady and more reliable; Simultaneously, described cutting assembly 42 comprises the rotating driver 421 that is installed on the described sliding platform 41 and is electrically connected with described controller, be connected in the first drive 422 on the described rotating driver 421, the second drive 423 that is connected with described the first drive 422, be articulated on the described sliding platform 41 and be the fixing rotating shaft that passes described the second drive 423 425 and be installed in circumgyration incision spare 426 on the described rotating shaft 425, particularly, in the present embodiment, this rotating driver 421 is more excellent to be a motor, and the first drive 422 and the second drive 423 all are designed to belt wheel, this belt wheel couples together by driving-belt 424, so that the power of motor output can be delivered to the second drive 423 places by the first drive 422, thereby reach the purpose of simplifying cutting mechanism 40 structures, and circumgyration incision spare 426 more excellent be a circular saw bit.Wherein, for vertically being done reliably at slip support body 20, sliding platform 41 reciprocatingly slides, so two the second limit switches 26 also are installed on the slip support body 20, these two the second limit switches 26 vertically are installed on the slip support body 20, and make sliding platform 41 between two second limit switches 26, particularly, the second limit switch 26 is installed on the slip support body 20 by a vertical plate 28; In order the waste material that be produced by 426 pairs of work piece cut of circumgyration incision spare to be reclaimed, so waste recovery case 70 is installed on the slip support body 20, the outlet of this waste recovery case 70 is corresponding with the accumulator tank 13 on being installed in a body 10.
At last, described driving mechanism 30 comprises the rotary driver 31 that is arranged on the described bed body 10 and is electrically connected with described controller, be connected in the drive sprocket 32 of described rotary driver 31, be articulated on the described bed body 10 and the driven sprocket 33 corresponding with described drive sprocket 32 and connect the chain (not shown) of described drive sprocket 32 and driven sprocket 33, described slip support body 20 is fixedly connected with described chain, the base plate 25 of support body 20 of specifically sliding is fixedly connected with chain, and rotary driver 31 more excellent be a motor simplifying the knot letter of driving mechanism 30, and make driving mechanism 30 be adapted to slip support body 20 is driven at a distance.Wherein, for so that the slip of slip support body 20 on bed body 10 is more steady and more reliable, so bed body 10 also is provided with the guide rail 11 that slides for described slip support body 20, and pulley 29 with guide rail 11 sliding-contacts is installed on the slip support body 20, this pulley 29 lays respectively at the both sides of guide rail 11 and clamping guide rail 11; For so that slip support body 20 can be done reciprocal slip at bed body 10, so bed body 10 also is provided with the first limit switch 12 of the described slip support body 20 of restriction sliding distance on described bed body 10, this first limit switch 12 is electrically connected with described controller, and slip support body 20 has the conflict piece 27 inconsistent with the first limit switch 12, and this conflict piece 27 is stretched out by base plate 25 and forms.
By reference to the accompanying drawings, operation principle to work piece cut device of the present utility model is described in detail: when workpiece that production line is carried enters in the transfer passage 21 and reaches desired Cutting Length, rotary driver 31 starts of this Time Controller control driving mechanism 30, the rotary driver 31 of start is by drive sprocket 32, driven sprocket 33 and chain, drive the slip support body 20 be fixedly connected with chain and do equidirectional slip with the production line conveying workpieces at bed body 10, thereby workpiece is remained static with respect to slip support body 20; Then, controller is controlled the linear actuator 61 of hold-down mechanism 60, the together start of rotating driver 421 of cutting driver 50 and cutting mechanism 40 simultaneously, and the linear actuator 61 of start orders about compressing member 62 entering Work-sheet pressing in the transfer passage 21 between this compressing member 62 and backing plate 63; The rotating driver 421 of start is by the first drive 422, the second drive 423 and 425 rotations of driving-belt 424 driven rotary axles, follow the rotation that rotating shaft 425 is done synchronous coordination by the rotating shaft 425 driven rotary cutting members 426 of rotation again, the cutting driver 50 of simultaneously start makes cutting mechanism 40 gradually near the workpiece place in the transfer passage 21, finally make 426 pairs of transfer passages of circumgyration incision spare, the 21 interior work piece cut of cutting mechanism 40 become the workpiece section, thereby finish the purpose of the work piece cut in the transfer passage 21.When sliding platform 41 and the below on the vertical plate 28 are located the second limit switch 26 and are contacted, the cutting of 426 pairs of workpiece of circumgyration incision spare of this moment puts in place, do and original opposite direction start with Time Controller control cutting driver 50, make the cutting driver 50 of start order about cutting mechanism 40 along resetting away from the workpiece direction in the transfer passage 21; When first limit switch 12 in the left side on the conflict piece 27 in slip support body 20 left sides and the bed body 10 contacts, this Time Controller is to reverse signal of rotary driver 31 outputs of driving mechanism 30, rotary driver 31 is done and original rightabout rotation, thereby done rightabout resetting with production line institute conveying workpieces by drive sprocket 32, driven sprocket 33 and chain-driving slip support body 20; Meanwhile, controller is also controlled the linear actuator 61 of hold-down mechanism 60 and is done rightabout start, making the linear actuator 61 of start drive compressing members 62 unclamps and resets to entering the Work-sheet pressings in the transfer passage 21, thereby make slip support body 20 when resetting, can make production line continue to make workpiece to be delivered in the transfer passage 21, and make workpiece again reach desired Cutting Length, thereby be that next time cutting is ready.Constantly repeat above-mentioned process, just can carry out to the workpiece that production line is carried the in batches purpose of cutting.Wherein, by the second limit switch 26, the controller at the upper and lower place on the vertical plate 28 and the cooperation of cutting driver 50, thereby so that cutting mechanism 40 can be done reciprocal slip at slip support body 20 reliably; Equally, the cooperation of the first limit switch 12, controller and the driving mechanism 30 at the left and right sides place by bed body 10 is so that slip support body 20 can be done reciprocal slip at bed body 10 reliably.
Compared with prior art, because what slip support body 20 of the present utility model slided is arranged on the body 10, and be arranged at driving mechanism 30 on the body 10 by controller by control and remove to order about slip support body 20 and slide at bed body 10, so the workpiece that slip support body 20 and production line are carried is done synchronous coordination and is slided, thereby workpiece is remained static with respect to slip support body 20; Again owing to cutting mechanism 40 and cutting driver 50 all arrange on the slip support body 20, and order about the workpiece that 40 pairs of cutting mechanisms enter in the transfer passage 21 by controller by cutting driver 50 and cut start, so so that work piece cut device 100 of the present utility model can carry out to the workpiece that production line is carried online cutting start, thereby improved the production efficiency of workpiece and the manufacturing cost of reduction workpiece, and can change neatly as required the Cutting Length of workpiece.
Above disclosed only is preferred embodiments of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. work piece cut device that is electrically connected with controller, the workpiece that is adapted to production line is carried carries out cutting on line, it is characterized in that, described work piece cut device comprises the bed body that is positioned on the production line, slip is arranged on the described bed body and the slip support body of tool transfer passage, be arranged on the described bed body and drive the driving mechanism that described slip support body slides at described bed body, be arranged on the described slip support body and become the cutting mechanism of workpiece section and be arranged on the described slip support body and order about the cutting driver that described cutting mechanism moves towards the workpiece place in the described transfer passage, described cutting driver entering work piece cut in the described transfer passage, driving mechanism and cutting mechanism all are electrically connected with described controller.
2. work piece cut device according to claim 1, it is characterized in that, also comprise the hold-down mechanism that is arranged on the described slip support body and the workpiece in the described transfer passage is compressed, described hold-down mechanism is electrically connected corresponding to the input of described transfer passage and with described controller, and described cutting mechanism is corresponding to the output of described transfer passage.
3. work piece cut device according to claim 2 is characterized in that, described slip support body extends upward a mounting bracket that is positioned at described transfer passage top, and described hold-down mechanism is installed on the described mounting bracket.
4. work piece cut device according to claim 3, it is characterized in that, described hold-down mechanism comprises linear actuator and the compressing member that is connected with described linear actuator, described linear actuator is installed on the described mounting bracket and is electrically connected with described controller, and described linear actuator vertically orders about the compression fit that described compressing member and described slip support body are done coordination.
5. work piece cut device according to claim 4 is characterized in that, described hold-down mechanism also comprises a backing plate, and described backing plate is installed on the position that is positioned at described transfer passage of described slip support body, and described backing plate is corresponding with described compressing member.
6. work piece cut device according to claim 1, it is characterized in that, described cutting mechanism comprises vertically the cutting assembly that is arranged at the sliding platform on the described slip support body and is arranged on the described sliding platform and is electrically connected with described controller that slides, and described cutting driver is connected with described sliding platform.
7. work piece cut device according to claim 6, it is characterized in that described cutting assembly comprises the rotating driver that is installed on the described sliding platform and is electrically connected with described controller, be connected in the first drive, the second drive that is connected with described the first drive on the described rotating driver, be articulated on the described sliding platform and be the fixing rotating shaft that passes described the second drive and be installed in circumgyration incision spare on the described rotating shaft.
8. work piece cut device according to claim 6 is characterized in that, described slip support body vertically is equipped with guide, and described guide is distributed in the both sides of described transfer passage, and described sliding platform is placed on the described guide.
9. work piece cut device according to claim 1, it is characterized in that, described driving mechanism comprises the rotary driver, the drive sprocket that is connected in described rotary driver that are arranged on the described bed body and are electrically connected with described controller, be articulated on the described bed body and the driven sprocket corresponding with described drive sprocket and be connected the chain of described drive sprocket and driven sprocket, and described slip support body is fixedly connected with described chain.
10. work piece cut device according to claim 1, it is characterized in that, described bed body also is provided with the guide rail that slides for described slip support body and limits the first limit switch of described slip support body sliding distance on described bed body, and described the first limit switch and described controller are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258445 CN202684202U (en) | 2012-06-01 | 2012-06-01 | Workpiece cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258445 CN202684202U (en) | 2012-06-01 | 2012-06-01 | Workpiece cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684202U true CN202684202U (en) | 2013-01-23 |
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ID=47539873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220258445 Expired - Fee Related CN202684202U (en) | 2012-06-01 | 2012-06-01 | Workpiece cutting device |
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| Country | Link |
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| CN (1) | CN202684202U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458397A (en) * | 2015-12-21 | 2016-04-06 | 天津海茨科技有限公司 | Linear bidirectional cutting platform |
| CN105772845A (en) * | 2016-05-17 | 2016-07-20 | 郑雪松 | Cutting machine with sliding positioning function |
| CN106181440A (en) * | 2016-08-24 | 2016-12-07 | 德马科起重机械有限公司 | A kind of running type steel plate cutting stand |
| IT201700073489A1 (en) * | 2017-06-30 | 2018-12-30 | Sir Mecc S P A | PORTABLE CUTTING MACHINE. |
| CN112008538A (en) * | 2020-09-14 | 2020-12-01 | 石小凡 | Intelligent processing equipment for slitting and polishing glass plate |
-
2012
- 2012-06-01 CN CN 201220258445 patent/CN202684202U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458397A (en) * | 2015-12-21 | 2016-04-06 | 天津海茨科技有限公司 | Linear bidirectional cutting platform |
| CN105772845A (en) * | 2016-05-17 | 2016-07-20 | 郑雪松 | Cutting machine with sliding positioning function |
| CN106181440A (en) * | 2016-08-24 | 2016-12-07 | 德马科起重机械有限公司 | A kind of running type steel plate cutting stand |
| IT201700073489A1 (en) * | 2017-06-30 | 2018-12-30 | Sir Mecc S P A | PORTABLE CUTTING MACHINE. |
| CN112008538A (en) * | 2020-09-14 | 2020-12-01 | 石小凡 | Intelligent processing equipment for slitting and polishing glass plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150601 |
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| EXPY | Termination of patent right or utility model |