CN201208766Y - Improved punching shear apparatus for hot forming machine - Google Patents
Improved punching shear apparatus for hot forming machine Download PDFInfo
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- CN201208766Y CN201208766Y CNU2008200486058U CN200820048605U CN201208766Y CN 201208766 Y CN201208766 Y CN 201208766Y CN U2008200486058 U CNU2008200486058 U CN U2008200486058U CN 200820048605 U CN200820048605 U CN 200820048605U CN 201208766 Y CN201208766 Y CN 201208766Y
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Abstract
A modified punching and shearing device of a thermoforming machine comprises a rack, a lower punching and shearing mould, an upper punching and shearing mould and a lifting drive mechanism of the upper punching and shearing mould, wherein the upper punching and shearing mould is matched with the lower punching and shearing mould; the lower punching and shearing mould is mounted on the rack; the upper punching and shearing mould is positioned above the lower punching and shearing mould and connected with the lifting drive mechanism; and the punching and shearing device is characterized in that a plastic product locating structure is arranged on the lower punching and shearing mould. Since the plastic product locating structure which is arranged on the lower punching and shearing mould allows the plastic product to be punched and sheared to be limited to the accurate position when entering the lower punching and shearing mould, when the upper punching and shearing mould moves downwards, and the upper punching and shearing mould and the lower punching and shearing mould are matched, the contour line of the plastic product unit, which meets the actual requirements, can be aligned by the punching and shearing parts of the upper punching and shearing mould and the lower punching and shearing mould, and the plastic product can be punched and sheared in the accurate position, thereby obtaining the plastic product units which meet the requirements and ensuring the high quality of the product.
Description
Technical field
The utility model relates to thermoforming machine, specifically, relates to a kind of punching and shearing device of improved thermoforming machine.
Background technology
Thermoforming machine be make, the common equipment of the various plastic products of processing, for example, plastic containers such as the cup that is made of PS, PET, PVC material, lid, dish are normally by the thermoforming machine hot briquetting.On the plastic products that obtain after the hot briquetting, a plurality of plastic products unit connects in flakes.The effect of punching and shearing device is in type plastic products to be carried out punching handle, and forms each independently plastic products unit.
The punching and shearing device of existing thermoforming machine generally comprises frame, following punching mould, upper punch cut-off-die and upper punch cut-off-die lift drive mechanism, size, the shape of the size of upper punch cut-off-die, shape and following punching mould are complementary, following punching mould is installed on the frame, is connected above the punching mould and with upper punch cut-off-die lift drive mechanism under the upper punch cut-off-die is in.The effect of upper punch cut-off-die lift drive mechanism is to drive the upper punch cut-off-die to move up and down, and adopts motor or cylinder that power is provided usually.Common above-mentioned punching and shearing device also is provided with guiding mechanism, bootable upper punch cut-off-die of guiding mechanism and following punching mould position be matched moulds exactly, guiding mechanism generally comprises guide pillars and bushes, guide pillar is fixedly mounted on the frame vertically, guide pin bushing is fixedly mounted on the upper punch cut-off-die, and guide pin bushing is enclosed within on the guide pillar slidably; Perhaps guide pin bushing is fixedly mounted on the frame, and guide pillar is fixedly mounted on the upper punch cut-off-die vertically, and guide pillar is in the guide pin bushing and with guide pin bushing and is slidingly matched.
During work, treat that the plastic products of punching are transported to down on the punching mould; Under the effect of upper punch cut-off-die lift drive mechanism, the upper punch cut-off-die moves down, and with following punching mould matched moulds, plastic products are carried out punching handle, punching goes out each independently plastic products unit; Subsequently, under the effect of upper punch cut-off-die lift drive mechanism, the upper punch cut-off-die moves up, the upper punch cut-off-die separates with following punching mould, the plastic products that finish punching this moment withdraw from down the punching mould, are transported to down on the punching mould with one section stylish plastic products, wait for the next round punching.Though this punching and shearing device can be finished punching automatically, and upper punch cut-off-die and following punching mould usually can the position matched moulds exactly, when but plastic products enter down the punching mould, plastic products often can not arrive the precalculated position in entirely accurate ground, but deviation slightly, like this, when the upper punch cut-off-die moves downward and during with following punching mould matched moulds, the punching position of upper punch cut-off-die and following punching mould can not be aimed at the actual plastic products unit outline line that requires on the plastic products fully, the position of promptly departing from the outline line of actual requirement slightly, like this, the plastic products unit that obtains after the punching often can not complete realistic requirement, will produce many substandard products.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of punching and shearing device of improved thermoforming machine, and this punching and shearing device can carry out punching on the accurate position of plastic products, obtain satisfactory plastic products unit.The technical scheme that adopts is as follows:
A kind of punching and shearing device of improved thermoforming machine, comprise frame, following punching mould, upper punch cut-off-die and upper punch cut-off-die lift drive mechanism, the upper punch cut-off-die is complementary with following punching mould, following punching mould is installed on the frame, be connected above the punching mould and with upper punch cut-off-die lift drive mechanism under the upper punch cut-off-die is in, it is characterized in that: described punching mould down is provided with the plastic products location structure.
Above-mentioned plastic products location structure is used to treat the location of the plastic products of punching, is limited at position accurately when making the plastic products for the treatment of punching enter down the punching mould.
Above-mentioned plastic products location structure can be several locating pins of being located at down on the punching mould upper surface.In this case, the shaped device that requires thermoforming machine makes on the lower surface of plastics materials to form and the corresponding groove of locating pin when making plastics materials be shaped to plastic products, and groove is on the clout between the plastic products unit usually; When plastic products entered down the punching mould, the groove on its lower surface was enclosed within on the locating pin, and plastic products are accurately positioned in down on the punching mould.
Above-mentioned plastic products location structure also can be several detents of being located at down on the punching mould upper surface.In this case, the shaped device that requires thermoforming machine makes on the lower surface of plastics materials to form and the corresponding projection of detent when making plastics materials be shaped to plastic products, and projection is on the clout between the plastic products unit usually; When plastic products entered down the punching mould, the projection on its lower surface embedded in the detent, and plastic products are accurately positioned in down on the punching mould.
In addition, above-mentioned plastic products location structure can be several locating pins and several detents of being located at down on the punching mould upper surface, that is to say that certain several position on following punching mould upper surface are provided with locating pin, detent is set in other certain several position.In this case, the shaped device that requires thermoforming machine makes on the lower surface of plastics materials to form and the corresponding groove of locating pin when making plastics materials be shaped to plastic products, forms and the corresponding projection of detent simultaneously; When plastic products entered down the punching mould, the groove on its lower surface was enclosed within on the locating pin, and the projection on its lower surface embeds in the detent, and plastic products are accurately positioned in down on the punching mould.
Preferred above-mentioned upper punch cut-off-die lift drive mechanism comprises motor, punching main shaft and slider-crank mechanism, motor and punching main shaft all are located at down punching mould below, motor is connected with the punching spindle drive, and the punching main shaft is connected with the upper punch cut-off-die by slider-crank mechanism.Preferred above-mentioned upper punch cut-off-die lift drive mechanism is provided with two slider-crank mechanisms, slider-crank mechanism is by rotating disk (rotating disk is equivalent to crank), connecting rod, Zou Xiang movable guide pillar (movable guide pillar is equivalent to slide block) and guide pin bushing constitute up and down, rotating disk is fixedly mounted on the end (two ends that are the punching main shaft respectively fixedly mount a rotating disk) of punching main shaft, the lower end of connecting rod is rotatably connected to the eccentric position of rotating disk, the upper end of connecting rod and the lower end of movable guide pillar are rotatably connected, fixedly connected with the upper punch cut-off-die in the upper end of movable guide pillar, guide pin bushing is fixedly mounted on frame or the following punching mould, and movable guide pillar is in the guide pin bushing.Motor is connected with the punching spindle drive by decelerator usually; The punching main shaft also is connected with frame by bearing block usually.This upper punch cut-off-die lift drive mechanism also has guide function except can driving the lifting of upper punch cut-off-die, promptly can guarantee the lifting exactly of upper punch cut-off-die position.For movable guide pillar is moved up and down more swimmingly, be provided with the linear bearing that cooperates with movable guide pillar in the preferred guide pin bushing in guide pin bushing.In motor when operation, drive the punching main shaft and rotate, and the punching main shaft drives the lifting of upper punch cut-off-die by slider-crank mechanism, and specifically, the punching main shaft drives dial rotation, and rotating disk is by the lifting of connecting rod drive activity guide pillar, thereby make the lifting of upper punch cut-off-die.
Preferred above-mentioned punching and shearing device also comprises guiding mechanism, and guiding mechanism comprises locating shaft and positioning sleeve, fixedlys connected with the upper punch cut-off-die in the upper end of locating shaft, and locating shaft parallels with movable guide pillar, and positioning sleeve is fixedly mounted on down on the punching mould, and locating shaft is in the positioning sleeve.When the upper punch cut-off-die moved up and down, locating shaft was along with moving up and down in positioning sleeve.Usually locating shaft is provided with at least two, and positioning sleeve is identical with locating shaft quantity and corresponding one by one; For locating shaft is moved up and down more swimmingly, be provided with the linear bearing that cooperates with locating shaft in the preferred orientation cover in positioning sleeve.
More successfully break away from the upper punch cut-off-die in order to make plastic products finish the clout that is left after punching is handled, the below of above-mentioned upper punch cut-off-die is provided with stripper plate, is provided with at least one compression spring between stripper plate and the upper punch cut-off-die.When the upper punch cut-off-die moved down, stripper plate was along with moving down; When stripper plate touched down the plastic products for the treatment of punching on the punching mould, stripper plate stopped to move down and pushing down the plastic products for the treatment of punching, and the compression spring shrinks gradually and pressure is provided; The upper punch cut-off-die continues to move down and finishes punching and handle subsequently; After finishing the punching processing, the upper punch cut-off-die moves up, and meanwhile, the compression spring stretches gradually, and stripper plate is handled the remaining clout in back to punching and applied downward thrust, makes the disengaging of clout and upper punch cut-off-die.
Usually, following punching mould is provided with a plurality of punching form units down, the upper punch cut-off-die is provided with a plurality of upper punch cut-off-dies unit, and upper punch cut-off-die unit is identical with following punching form unit quantity and corresponding one by one, a upper punch cut-off-die unit and the corresponding plastic products unit of following punching form unit.The quantity of above-mentioned punching form unit down and upper punch cut-off-die unit is determined according to needs of production, when needs once carry out the punching processing to a plurality of plastic products unit, following punching form unit and upper punch cut-off-die unit also correspondingly are provided with a plurality of, that is to say that upper punch cut-off-die unit is identical with the quantity of the plastic products unit that carries out the punching processing simultaneously with the quantity of following punching form unit.
Common above-mentioned punching and shearing device also is provided with releasing mechanism, and the effect of releasing mechanism is that plastic products unit that punching is come out is from releasing in the punching mould down.Preferred above-mentioned releasing mechanism comprises cylinder, push rod, travel(l)ing rest and push jack, the cylinder body of cylinder is fixedly mounted on the frame, push rod is installed in by travel(l)ing rest on the piston rod of cylinder, and the end of push rod stretches in the upper punch cut-off-die and is connected with push jack in the upper punch cut-off-die; Push jack is identical with following punching form unit quantity and corresponding one by one; When the piston rod of cylinder stretched out, travel(l)ing rest and push rod moved downward, and the push jack on the push rod also moves downward, because down the punching form unit is tubular usually, so push jack is released from descending in the punching form unit plastic products unit that comes out of punching.Above-mentioned releasing mechanism also can adopt the air blowing type releasing mechanism, because down the punching form unit is tubular usually, so the air blowing type releasing mechanism is released from descending in the punching form unit plastic products unit that comes out of punching.
The utility model is owing to be provided with the plastic products location structure on following punching mould, be limited at position accurately when making the plastic products for the treatment of punching enter down the punching mould, therefore move downward and during when the upper punch cut-off-die with following punching mould matched moulds, the actual plastic products unit outline line that requires on the plastic products can be aimed in the punching position of upper punch cut-off-die and following punching mould, on the accurate position of plastic products, carry out punching, obtain satisfactory plastic products unit, good product quality.
Description of drawings
Fig. 1 is the structural representation (half sectional view) of the utility model preferred embodiment 1;
Fig. 2 is the structural representation (half sectional view) of the utility model preferred embodiment 2.
The specific embodiment
As shown in Figure 1, the punching and shearing device of this improved thermoforming machine comprises frame 1, following punching mould, upper punch cut-off-die, upper punch cut-off-die lift drive mechanism, guiding mechanism and releasing mechanism, and following punching mould is provided with the plastic products location structure.
The plastic products location structure is several locating pins 2 of being located at down on the punching mould upper surface.
Following punching mould is installed on the frame 1, specifically be, following punching mould comprises counterdie platform 3, base plate 4, backing plate 5 and lower bolster 6, counterdie platform 3 is fixedly mounted on the frame 1, base plate 4 is fixedly mounted on above the counterdie platform 3, backing plate 5 is fixedly mounted on above the base plate 4, and lower bolster 6 is fixedly mounted on above the backing plate 5, and locating pin 2 is located at the upper surface of lower bolster 6.Following punching mould is provided with a plurality of punching form units 7 down, following punching form unit 7 is tubular (this through hole runs through lower bolster 6, backing plate 5, base plate 4 and counterdie platform 3), and the shape of the cross section inner edge of following punching form unit 7 and size are consistent with the actual plastic products unit outline line that requires; Locating pin 2 is arranged on the gap between each time punching form unit 7.
The upper punch cut-off-die is in punching mould top down, specifically be, the upper punch cut-off-die comprises movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10, cope match-plate pattern installing plate 9 is fixedly mounted on below the movable mold platform 8, cope match-plate pattern 10 is fixedly mounted on below the cope match-plate pattern installing plate 9, and movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10 all are in the top of punching mould down; The upper punch cut-off-die is complementary with following punching mould, specifically, the upper punch cut-off-die is provided with a plurality of upper punch cut-off-dies unit 11, and upper punch cut-off-die unit 11 is identical with following punching form unit 7 quantity and corresponding one by one, a upper punch cut-off-die unit 11 and following punching form unit 7 corresponding plastic products unit.
The quantity of following punching form unit 7 and upper punch cut-off-die unit 11 is determined according to needs of production, when needs once carry out the punching processing to a plurality of plastic products unit, following punching form unit 7 and upper punch cut-off-die unit 11 also correspondingly are provided with a plurality of, that is to say that upper punch cut-off-die unit 11 is identical with the quantity of the plastic products unit that carries out the punching processing simultaneously with the quantity of following punching form unit 7.
The upper punch cut-off-die is connected with upper punch cut-off-die lift drive mechanism; Specifically be, upper punch cut-off-die lift drive mechanism comprises motor 12, decelerator 13, punching main shaft 14, two rotating disks 15, two connecting rods 16, two movable guide pillars 17 and two guide pin bushings 18, motor 12, decelerator 13 and punching main shaft 14 all are located at down punching mould below, punching main shaft 14 is connected with frame 1 by bearing block 30, motor 12 is in transmission connection by decelerator 13 and punching main shaft 14, rotating disk 15 is fixedly mounted on the end (two ends that are punching main shaft 14 respectively fixedly mount a rotating disk 15) of punching main shaft 14, the lower end of connecting rod 16 is rotatably connected to the eccentric position of rotating disk 15 by rotating disk joint 29, the lower end of the upper end of connecting rod 16 and movable guide pillar 17 is rotatably connected, fixedly connected with movable mold platform 8 in the upper end of movable guide pillar 17, guide pin bushing 18 is fixedly mounted on the counterdie platform 3, and movable guide pillar 17 is in the guide pin bushing 18; Be provided with the linear bearing 19 that cooperates with movable guide pillar 17 in the guide pin bushing 18.Rotating disk 15 (rotating disk 15 is equivalent to crank), connecting rod 16, the movable guide pillar 17 (movable guide pillar 17 is equivalent to slide block) that moves towards up and down and guide pin bushing 18 constitute slider-crank mechanisms.
Guiding mechanism comprises locating shaft 20 and positioning sleeve 21, fixedly connected with movable mold platform 8 in the upper end of locating shaft 20, locating shaft 20 parallels with movable guide pillar 17, positioning sleeve 21 is fixedly mounted on the counterdie platform 3, locating shaft 20 is in the positioning sleeve 21, is provided with the linear bearing 22 that cooperates with locating shaft 20 in the positioning sleeve 21.Locating shaft 20 is provided with two, and positioning sleeve 21 is identical with locating shaft 20 quantity and corresponding one by one.
The below of cope match-plate pattern 10 is provided with stripper plate 23, is provided with two compression springs 24 between stripper plate 23 and the cope match-plate pattern 10.
The effect of releasing mechanism is that plastic products unit that punching is come out is from releasing in the punching mould down.Above-mentioned releasing mechanism comprises cylinder 25, push rod 26, travel(l)ing rest 27 and push jack 28, the cylinder body 251 of cylinder 25 is fixedly mounted on the frame 1, push rod 26 is installed in by travel(l)ing rest 27 on the piston rod 252 of cylinder 25, and the end of push rod 26 stretches in the upper punch cut-off-die and is connected with push jack 28 in the upper punch cut-off-die.Be provided with a push jack 28 in the upper punch cut-off-die unit 11, push jack 28 can be released the plastic products unit in the following punching form unit 7 of correspondence.
Brief description is the operation principle of this punching and shearing device once:
The shaped device of thermoforming machine makes on the lower surface of plastic products to form and locating pin 2 corresponding grooves in moulded plastic products.
During work, motor 12 operations, driving punching main shaft 14 rotates, punching main shaft 14 drives rotating disk 15 and rotates, rotating disk 15 is done cyclical upturn and downturn (being that movable guide pillar 17 up and down reciprocatingly slides with respect to guide pin bushing 18) by connecting rod 16 drive activity guide pillars 17, thereby make upper punch cut-off-die (comprising movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10) do cyclical upturn and downturn, its stroke is fixed.
At first, treat that the plastic products of punching enter down the punching mould, the groove on its lower surface is enclosed within on the locating pin 2 of lower bolster 6 upper surfaces, and plastic products are accurately positioned on the lower bolster 10; Then movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10 descend, and locating shaft 20 is along with moving down in positioning sleeve 21, and stripper plate 23 is along with moving down; When stripper plate 23 touched the plastic products for the treatment of punching on the lower bolster 6, stripper plate 23 stopped to move down and pushing down the plastic products for the treatment of punching, and compression spring 24 shrinks gradually and pressure is provided; Movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10 continue to descend subsequently, and cope match-plate pattern 10 is with lower bolster 6 matched moulds and finish the punching processing; After finishing punching and handling, the piston rod 252 of cylinder 25 stretches out, and travel(l)ing rest 27 and push rod 26 move downward, and the push jack 28 on the push rod 26 also moves downward, and the plastic products unit that punching is come out is from releasing in the punching form unit 7 down; Movable mold platform 8, cope match-plate pattern installing plate 9 and cope match-plate pattern 10 rise subsequently, cope match-plate pattern 10 separates with lower bolster 6, and meanwhile, compression spring 24 stretches gradually, stripper plate 23 is handled the remaining clout in back to punching and is applied downward thrust, and clout and cope match-plate pattern 10 are broken away from; Then clout withdraws from down the punching mould, and the next group plastic products enter down the punching mould simultaneously, for punching is next time got ready.
Embodiment 2
As shown in Figure 2, the plastic products location structure of the punching and shearing device of this thermoforming machine is to be located at down several detents 31 on the punching mould upper surface (detent 31 is located at the upper surface of lower bolster 6, and detent 31 is arranged on the gap between each time punching form unit 7).All the other structures of this punching and shearing device are identical with embodiment.In this case, the shaped device that requires thermoforming machine makes on the lower surface of plastics materials to form and detent 31 corresponding projections when making plastics materials be shaped to plastic products, and projection is on the clout between the plastic products unit usually; When plastic products entered down the punching mould, the projection on its lower surface embedded in the detent, and plastic products are accurately positioned in down on the punching mould.
In addition, plastic products location structure of the present utility model also can be to be located at down several locating pins on the punching mould upper surface and several detents, perhaps other structure, and the plastic products for the treatment of punching position.
Claims (10)
1, a kind of punching and shearing device of improved thermoforming machine, comprise frame, following punching mould, upper punch cut-off-die and upper punch cut-off-die lift drive mechanism, the upper punch cut-off-die is complementary with following punching mould, following punching mould is installed on the frame, be connected above the punching mould and with upper punch cut-off-die lift drive mechanism under the upper punch cut-off-die is in, it is characterized in that: described punching mould down is provided with the plastic products location structure.
2, the punching and shearing device of thermoforming machine according to claim 1 is characterized in that: described plastic products location structure is several locating pins of being located at down on the punching mould upper surface.
3, the punching and shearing device of thermoforming machine according to claim 1 is characterized in that: described plastic products location structure is several detents of being located at down on the punching mould upper surface.
4, according to the punching and shearing device of each described thermoforming machine of claim 1～3, it is characterized in that: described upper punch cut-off-die lift drive mechanism comprises motor, punching main shaft and slider-crank mechanism, motor and punching main shaft all are located at down punching mould below, motor is connected with the punching spindle drive, and the punching main shaft is connected with the upper punch cut-off-die by slider-crank mechanism.
5, the punching and shearing device of thermoforming machine according to claim 4, it is characterized in that: described upper punch cut-off-die lift drive mechanism is provided with two slider-crank mechanisms, slider-crank mechanism is by rotating disk, connecting rod, the movable guide pillars and bushes of trend constitutes up and down, rotating disk is fixedly mounted on the end of punching main shaft, the lower end of connecting rod is rotatably connected to the eccentric position of rotating disk, the upper end of connecting rod and the lower end of movable guide pillar are rotatably connected, fixedly connected with the upper punch cut-off-die in the upper end of movable guide pillar, guide pin bushing is fixedly mounted on frame or the following punching mould, and movable guide pillar is in the guide pin bushing.
6, the punching and shearing device of thermoforming machine according to claim 5 is characterized in that: be provided with the linear bearing that cooperates with movable guide pillar in the described guide pin bushing.
7, the punching and shearing device of thermoforming machine according to claim 5, it is characterized in that: described punching and shearing device also comprises guiding mechanism, guiding mechanism comprises locating shaft and positioning sleeve, fixedly connected with the upper punch cut-off-die in the upper end of locating shaft, locating shaft parallels with movable guide pillar, positioning sleeve is fixedly mounted on down on the punching mould, and locating shaft is in the positioning sleeve.
8, the punching and shearing device of thermoforming machine according to claim 7 is characterized in that: be provided with the linear bearing that cooperates with locating shaft in the described positioning sleeve.
9, according to the punching and shearing device of each described thermoforming machine of claim 1～3, it is characterized in that: the below of described upper punch cut-off-die is provided with stripper plate, is provided with at least one compression spring between stripper plate and the upper punch cut-off-die.
10, according to the punching and shearing device of each described thermoforming machine of claim 1～3, it is characterized in that: described punching and shearing device also is provided with releasing mechanism, releasing mechanism comprises cylinder, push rod, travel(l)ing rest and push jack, the cylinder body of cylinder is fixedly mounted on the frame, push rod is installed in by travel(l)ing rest on the piston rod of cylinder, and the end of push rod stretches in the upper punch cut-off-die and is connected with push jack in the upper punch cut-off-die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200486058U CN201208766Y (en) | 2008-06-02 | 2008-06-02 | Improved punching shear apparatus for hot forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200486058U CN201208766Y (en) | 2008-06-02 | 2008-06-02 | Improved punching shear apparatus for hot forming machine |
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| CN201208766Y true CN201208766Y (en) | 2009-03-18 |
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| CNU2008200486058U Expired - Fee Related CN201208766Y (en) | 2008-06-02 | 2008-06-02 | Improved punching shear apparatus for hot forming machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331769A (en) * | 2013-03-13 | 2013-10-02 | 宁波敏实汽车零部件技术研发有限公司 | Shoveling device for end part of strip workpiece and shoveling method for end part of automobile trim strip |
| CN104942887A (en) * | 2015-06-10 | 2015-09-30 | 成都森绿家具有限公司 | Improved structure based on clamping device for compressing wood of different sizes |
| CN111438758A (en) * | 2020-04-29 | 2020-07-24 | 合肥同源化工科技有限公司 | Manufacturing process of foamed plastic packaging material |
-
2008
- 2008-06-02 CN CNU2008200486058U patent/CN201208766Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331769A (en) * | 2013-03-13 | 2013-10-02 | 宁波敏实汽车零部件技术研发有限公司 | Shoveling device for end part of strip workpiece and shoveling method for end part of automobile trim strip |
| CN103331769B (en) * | 2013-03-13 | 2015-06-03 | 宁波敏实汽车零部件技术研发有限公司 | Shoveling device for end part of strip workpiece and shoveling method for end part of automobile trim strip |
| CN104942887A (en) * | 2015-06-10 | 2015-09-30 | 成都森绿家具有限公司 | Improved structure based on clamping device for compressing wood of different sizes |
| CN111438758A (en) * | 2020-04-29 | 2020-07-24 | 合肥同源化工科技有限公司 | Manufacturing process of foamed plastic packaging material |
| CN111438758B (en) * | 2020-04-29 | 2021-02-12 | 福建省德化县日顺陶瓷有限公司 | Manufacturing process of foamed plastic packaging material |
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Granted publication date: 20090318 Termination date: 20130602 |