CN209851709U - Elastomer stretching device - Google Patents
Elastomer stretching device Download PDFInfo
- Publication number
- CN209851709U CN209851709U CN201920411218.4U CN201920411218U CN209851709U CN 209851709 U CN209851709 U CN 209851709U CN 201920411218 U CN201920411218 U CN 201920411218U CN 209851709 U CN209851709 U CN 209851709U
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- stretching device
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- elastomer
- lifting
- clamping mechanism
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 45
- 239000000806 elastomer Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 140
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 22
- 229910021389 graphene Inorganic materials 0.000 abstract description 20
- 229910002804 graphite Inorganic materials 0.000 abstract description 3
- 239000010439 graphite Substances 0.000 abstract description 3
- -1 graphite alkene Chemical class 0.000 abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002109 single walled nanotube Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Carbon And Carbon Compounds (AREA)
Abstract
The utility model provides an elastomer stretching device relates to graphite alkene paper processing equipment technical field to alleviate the technical problem that the graphite alkene paper that exists can't form even fold body among the prior art. The elastic body stretching device comprises a support, a driving mechanism, a clamping mechanism, a first guide piece and a lifting mechanism; a plurality of first guide pieces are annularly arranged around the lifting mechanism, and are uniformly arrayed in a radial shape; the lifting mechanism is arranged on the support and can move along the direction vertical to the array plane of the clamping mechanism; the clamping mechanisms are slidably arranged on the first guide pieces in a one-to-one correspondence manner; the driving mechanism is arranged on the support, is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to slide along the first guide piece. The utility model provides an elastomer stretching device utilizes the principle that the elastomer evenly contracts back, makes attached graphene paper on the elastomer evenly contract back and form the fold body.
Description
Technical Field
The utility model belongs to the technical field of graphite alkene paper processing equipment technique and specifically relates to an elastomer stretching device is related to.
Background
Graphene is a polymer made of carbon atoms in sp2The hybrid tracks form hexagonal honeycomb lattice two-dimensional carbon nano-materials, and have very good heat conduction performance. The pure defect-free single-layer graphene has the thermal conductivity coefficient as high as 5300W/mK, is the carbon material with the highest thermal conductivity coefficient so far, and is higher than that of a single-wall carbon nanotube and a multi-wall carbon nanotube. When it is used as carrier, its thermal conductivity can be up to 600W/mK.
Although graphene has good heat-conducting property, the existing processing equipment still cannot enable graphene paper to form a uniform corrugated body.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elastomer stretching device to alleviate the technical problem that the unable even fold body that forms of graphene paper that exists among the prior art.
In order to solve the above problem, the utility model provides a following technical scheme:
an elastomer stretching device comprises a support, a driving mechanism, a clamping mechanism, a first guide piece and a lifting mechanism;
a plurality of first guide pieces are annularly arranged around the lifting mechanism, and are uniformly arrayed in a radial shape;
the lifting mechanism is arranged on the support and can move along the direction vertical to the array plane of the clamping mechanism;
the clamping mechanisms are slidably arranged on the first guide pieces in a one-to-one correspondence manner;
the driving mechanism is arranged on the support, is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to slide along the first guide piece.
Further, the driving mechanism comprises a power assembly, a connecting rod and a sliding piece;
the sliding part is positioned below the lifting mechanism;
one end of the connecting rod is rotatably connected with the clamping mechanism, and the other end of the connecting rod is rotatably connected with the sliding piece;
the power assembly is mounted on the support, is in transmission connection with the sliding piece and is used for driving the sliding piece to move along the direction vertical to the array plane of the clamping mechanism.
Further, the power assembly comprises a motor, a ball screw and a ball nut;
the motor is arranged on the support;
the ball screw is arranged along the direction vertical to the array plane of the clamping mechanism and is in transmission connection with a rotating shaft of the motor;
the ball nut is arranged in the middle of the sliding part and sleeved on the ball screw.
Further, the rotating shaft of the motor is in transmission connection with the ball screw timing belt.
Further, the holder includes a bottom plate and a second guide;
the second guide pieces are arranged on the bottom plate, extend along the direction perpendicular to the array plane of the clamping mechanisms and penetrate through the sliding piece;
the power assembly is mounted on the bottom plate;
the lifting mechanism is arranged at the upper ends of the second guide pieces.
Furthermore, the support also comprises a plurality of guide pipes, and the plurality of guide pipes are sleeved on the plurality of second guide pieces in a one-to-one correspondence manner;
the sliding member is connected to the plurality of guide tubes.
Further, the lifting mechanism comprises a lifting cylinder and a lifting table;
the lifting table is connected to the lifting cylinder;
the lifting cylinder is arranged on the support and used for driving the lifting table to move along the direction vertical to the array plane of the clamping mechanism.
Further, the clamping mechanism comprises a pneumatic clamp.
Furthermore, two chamfers are arranged at the front end of the pneumatic clamp;
and when the pneumatic clamps are closed, the chamfers of the adjacent pneumatic clamps are attached.
Further, the elastomer stretching device comprises eight clamping mechanisms.
Technical scheme more than combining, the utility model discloses the beneficial effect analysis of bringing is as follows:
the utility model provides an elastomer stretching device, which comprises a support, a driving mechanism, a clamping mechanism, a first guide piece and a lifting mechanism; a plurality of first guide pieces are annularly arranged around the lifting mechanism, and are uniformly arrayed in a radial shape; the lifting mechanism is arranged on the support and can move along the direction vertical to the array plane of the clamping mechanism; the clamping mechanisms are slidably arranged on the first guide pieces in a one-to-one correspondence manner; the driving mechanism is arranged on the support, is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to slide along the first guide piece.
An operator operates the driving mechanism to drive the plurality of clamping mechanisms to slide along the first guide piece simultaneously, move towards the direction close to the lifting mechanism and draw close, and operates the clamping mechanisms to open. The elastomer is placed on a plurality of clamping mechanisms, and the clamping mechanisms are operated to close and clamp the elastomer. The operation actuating mechanism drives a plurality of fixture and slides simultaneously along first guide, to keeping away from the direction motion of lifting mechanism, and the elastomer is extended to preset scaling-off evenly. And operating the lifting mechanism to enable the lifting table to move until the lifting table supports the lower surface of the elastic body. Attaching the graphene paper to the upper surface of the stretched elastomer. The operation driving mechanism drives the plurality of clamping mechanisms to slide along the first guide piece, and move towards the direction close to the lifting mechanism and approach. When the elastic body retracts, a uniform folded body can be formed, and the graphene paper forms the uniform folded body along with the elastic body.
The elastic body stretching device utilizes the principle that the elastic body is uniformly retracted to enable the graphene paper attached to the stretched elastic body to be uniformly retracted to form a folded body.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a front view of an elastomer stretching device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an elastomer stretching device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention.
Icon: 100-a support; 110-a base plate; 120-a second guide; 130-a guide tube; 200-a drive mechanism; 210-a power assembly; 211-a motor; 212-ball screw; 213-ball nut; 220-a connecting rod; 230-a slider; 300-a clamping mechanism; 310-chamfering; 400-a first guide; 500-a lifting mechanism; 510-a lifting cylinder; 520-Lift stage.
Detailed Description
The following embodiments are described in detail with reference to the accompanying drawings:
this embodiment provides an elastomer stretching device, please refer to fig. 1 to 3 in the drawings of the specification together.
As shown in fig. 1 and 2, the elastic body stretching device includes a support 100, a driving mechanism 200, a clamping mechanism 300, a first guide 400 and a lifting mechanism 500; a plurality of first guides 400 are annularly arranged around the lifting mechanism 500, and the plurality of first guides 400 are uniformly arrayed in a radial shape; the lifting mechanism 500 is arranged on the support 100 and can move along the direction vertical to the array plane of the clamping mechanism 300; the plurality of clamping mechanisms 300 are slidably mounted on the plurality of first guide members 400 in a one-to-one correspondence; the driving mechanism 200 is mounted on the support 100, and is in transmission connection with the clamping mechanism 300 for driving the clamping mechanism 300 to slide along the first guide 400.
Fig. 1 and 2 show that the first guide 400 is a slide bar to which the clamping mechanism 300 is slidably connected. The first guide 400 may be a sliding groove provided on another component, and the other component may be a flat plate mounted on the support 100, and the clamping mechanism 300 is slidably mounted in the sliding groove. The first guide 400 serves to guide the sliding movement of the chucking mechanism 300, so that the plurality of chucking mechanisms 300 can be moved closer to and away from each other while sliding along the first guide 400.
Fig. 3 shows that the clamping mechanism 300 includes pneumatic clamps that are driven using an air pump that communicates with the pneumatic clamps through a reversing valve that is operated by an operator to effect opening and closing of the pneumatic clamps.
An operator operates the driving mechanism 200 to drive the plurality of clamping mechanisms 300 to simultaneously slide along the first guide 400, move towards the direction close to the lifting mechanism 500 and close, and operate the clamping mechanisms 300 to open. The elastomer is placed on a plurality of gripper mechanisms 300 and the gripper mechanisms 300 are operated to close grip the elastomer. The driving mechanism 200 is operated to drive the plurality of clamping mechanisms 300 to simultaneously slide along the first guide 400, and move in a direction away from the lifting mechanism 500, so that the elastic body is uniformly stretched to a preset size. The lift mechanism 500 is operated to move the lift table 520 until the lift table 520 supports the lower surface of the elastomer. Attaching the graphene paper to the upper surface of the stretched elastomer. The driving mechanism 200 is operated to drive the plurality of clamping mechanisms 300 to slide along the first guide 400, and move and approach in a direction close to the lifting mechanism 500. When the elastic body retracts, a uniform folded body can be formed, and the graphene paper forms the uniform folded body along with the elastic body.
The elastic body stretching device utilizes the principle that the elastic body is uniformly retracted to enable the graphene paper attached to the elastic body to be uniformly retracted to form a folded body.
A pressure sensitive adhesive may be applied to the elastomer prior to placing the elastomer on the plurality of gripper mechanisms 300. When the elastic body is stretched, the graphene paper can be firmly attached to the upper surface of the elastic body. After the graphene paper forms a corrugated body on the elastomer, the graphene paper and the elastomer are adhered together. And soaking the graphene paper and the elastomer in ethanol liquid until the graphene paper is separated from the elastomer. The elastic body can be made of elastic materials such as 30-degree silica gel and the like. The graphene paper forming the corrugated body can be used for the aspects of heat dissipation of a mobile phone and the like.
Further, as shown in fig. 2, the driving mechanism 200 includes a power assembly 210, a link 220, and a slider 230; the sliding member 230 is located below the lifting mechanism 500; one end of the connecting rod 220 is rotatably connected with the clamping mechanism 300, and the other end is rotatably connected with the sliding member 230; the power assembly 210 is mounted to the support 100 and is drivingly connected to the slider 230 for driving the slider 230 in a direction perpendicular to the plane of the array of gripper mechanisms 300.
The power assembly 210 can drive the slide member 230 to move in a direction perpendicular to the array plane of the clamping mechanism 300, and the slide member 230 moves to drive the clamping mechanism 300 to slide along the first guide 400 through the connecting rod 220. When the sliding member 230 slides in a direction approaching the first guide member 400, the sliding member 230 drives the clamping mechanism 300 to move in a direction away from the lifting mechanism 500 through the connecting rod 220; when the sliding member 230 slides away from the first guide 400, the sliding member 230 drives the clamping mechanism 300 to move toward the lifting mechanism 500 through the connecting rod 220.
It should be noted that the driving mechanism 200 is not limited to the above-mentioned structure, and the driving mechanism 200 may also adopt other structural forms to drive the plurality of clamping mechanisms 300 to slide on the first guide 400. For example, the driving mechanism 200 includes a plurality of hydraulic cylinders, the hydraulic cylinders of the plurality of hydraulic cylinders are connected to the plurality of gripping mechanisms 300 in a one-to-one correspondence, and the hydraulic cylinders are located outside the first guide 400, and hydraulic rods of the hydraulic cylinders are movable in a length direction of the first guide 400.
Further, as shown in fig. 1, the power assembly 210 includes a motor 211, a ball screw 212, and a ball nut 213; the motor 211 is mounted on the support 100; the ball screw 212 is arranged along the direction vertical to the array plane of the clamping mechanism 300 and is in transmission connection with the rotating shaft of the motor 211; the ball nut 213 is disposed in the middle of the slider 230 and is fitted over the ball screw 212.
The motor 211 rotates to drive the ball screw 212 to rotate, and when the ball screw 212 rotates, the ball nut 213 can move along the length direction of the ball screw 212, so that the slider 230 moves along the direction perpendicular to the array plane of the clamping mechanism 300. The ball screw 212 and ball nut 213 transmission has the advantages of high precision, reversibility and high efficiency.
Preferably, the motor 211 is a servo motor 211, the servo motor 211 can control the speed and position accuracy accurately, and the clamping mechanism 300 can slide on the first guide 400 at a constant speed by controlling the servo motor 211. Of course, the motor 211 may be another type of motor 211 such as a stepping motor 211.
It should be noted that the power assembly 210 is not limited to the above structure, and the power assembly 210 may also adopt other structural forms to drive the sliding member 230 to move. For example, the power assembly 210 includes a hydraulic cylinder mounted to the support 100, a hydraulic rod of the hydraulic cylinder extending in a direction perpendicular to the plane of the array of gripper mechanisms 300, and a slider 230 attached to a front end of the hydraulic cylinder.
Further, as shown in fig. 1, the rotating shaft of the motor 211 is in transmission connection with the timing belt of the ball screw 212.
Specifically, a first timing pulley is mounted on a rotating shaft of the motor 211, a second timing pulley is mounted at a lower end of the ball screw 212, and a timing belt is wound around the first timing pulley and the second timing pulley.
The rotating shaft of the motor 211 is in transmission connection with the timing belt of the ball screw 212, so that the transmission is stable, the noise is low, the sliding cannot occur, and the transmission precision is high.
Preferably, the outer diameter of the first timing pulley is smaller than that of the second timing pulley, and the transmission from the motor 211 to the ball screw 212 is a speed reduction transmission, so that the rotation of the ball screw is more accurate.
Of course, the rotation shaft of the motor 211 and the ball screw 212 may also adopt a chain transmission, a gear transmission, or other transmission forms.
Further, as shown in fig. 1, the stand 100 includes a base plate 110 and a second guide 120; a plurality of second guides 120 are provided on the base plate 110, extend in a direction perpendicular to the array plane of the chucking mechanism 300, and pass through the slider 230; the power assembly 210 is mounted to the base plate 110; the lifting mechanism 500 is disposed at the upper end of the plurality of second guides 120.
Specifically, fig. 2 shows the second guide 120 as a cylindrical rod-shaped structure, but the cross section of the second guide 120 may be rectangular, triangular, or other shapes.
The second guide 120 passes through the slider 230, and the slider 230 can slide on the second guide 120 by the power assembly 210. The second guide 120 guides the sliding member 230, so that the sliding speed and position of the sliding member 230 are more accurate.
Further, as shown in fig. 1, the support 100 further includes a guide tube 130, and the plurality of guide tubes 130 are sleeved on the plurality of second guide members 120 in a one-to-one correspondence; the sliding member 230 is connected with the plurality of guide tubes 130.
Specifically, the guide tube 130 is fitted to the second guide 120, and the inner wall of the guide tube 130 has the same cross-sectional shape as the second guide 120. A lubricating oil or grease is filled between the guide tube 130 and the second guide 120.
The length of the guide tube 130 along the second guide 120 is greater than the thickness of the sliding member 230 along the second guide 120, the sliding member 230 is connected to the guide tube 130, and the guide tube 130 slides on the second guide 120 to drive the sliding member 230 to move, so that the second guide 120 guides the sliding member 230 more accurately.
Further, as shown in fig. 1, the lifting mechanism 500 includes a lifting cylinder 510 and a lifting table 520; the lifting table 520 is connected to the lifting cylinder 510; the lift cylinder 510 is mounted to the support 100 for driving the lift table 520 in a direction perpendicular to the array plane of the fixture 300.
Specifically, an air pump is arranged outside the elastomer stretching device, the air pump is communicated with the lifting cylinder 510 through a reversing valve, and an operator operates the reversing valve to realize that the lifting cylinder 510 drives the lifting table 520 to move towards or away from the clamping mechanism 300.
The lift cylinders 510 are capable of driving the lift table 520 in a direction perpendicular to the plane of the array of gripper mechanisms 300. After the clamping mechanism 300 stretches the elastomer, the lifting cylinder 510 is operated to drive the lifting table 520 to move towards the elastomer, so that the lifting cylinder 510 supports the lower surface of the elastomer, and then the graphene paper is attached to the upper surface of the stretched elastomer. After the graphene paper forms uniform folds along with the elastic body, the lifting cylinder 510 is operated to drive the lifting table 520 to move in a direction away from the clamping mechanism 300.
It should be noted that the lifting mechanism 500 is not limited to the above configuration, and the lifting mechanism 500 may have other configurations. For example, the lifting mechanism 500 includes an electric cylinder and a lifting table 520, the lifting table 520 is connected to the electric cylinder, the electric cylinder is mounted on the support 100, and the electric cylinder is controlled to drive the lifting table 520 to move along a direction perpendicular to the array plane of the clamping mechanism 300.
Further, as shown in fig. 3, the front end of the pneumatic clamp is provided with two chamfers 310; when the plurality of pneumatic clamps are closed together, the chamfers 310 of adjacent pneumatic clamps abut.
Above-mentioned structure makes a plurality of pneumatic grippers be close to inseparabler, conveniently places the elastomer in a plurality of pneumatic grippers. Meanwhile, the chamfers 310 of the adjacent pneumatic clamps are attached to eliminate gaps between the pneumatic clamps, so that the elastic bodies are prevented from deforming at the gaps and influencing the subsequent stretching of the elastic bodies.
Further, as shown in fig. 2, the elastic body stretching device includes eight gripping mechanisms 300.
The elastomer is cut into an octagon after being pasted with the pressure sensitive adhesive, and the eight clamping mechanisms 300 clamp the sides of the octagon for stretching.
Of course, the elastomeric stretching device may also include other numbers of clamping mechanisms 300, for example, ten clamping mechanisms 300.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An elastic body stretching device is characterized by comprising a support, a driving mechanism, a clamping mechanism, a first guide piece and a lifting mechanism;
a plurality of first guide pieces are annularly arranged around the lifting mechanism, and are uniformly arrayed in a radial shape;
the lifting mechanism is arranged on the support and can move along the direction vertical to the array plane of the clamping mechanism;
the clamping mechanisms are slidably arranged on the first guide pieces in a one-to-one correspondence manner;
the driving mechanism is arranged on the support, is in transmission connection with the clamping mechanism and is used for driving the clamping mechanism to slide along the first guide piece.
2. The elastomer stretching device of claim 1, wherein the drive mechanism comprises a power assembly, a link, and a slide;
the sliding part is positioned below the lifting mechanism;
one end of the connecting rod is rotatably connected with the clamping mechanism, and the other end of the connecting rod is rotatably connected with the sliding piece;
the power assembly is mounted on the support, is in transmission connection with the sliding piece and is used for driving the sliding piece to move along the direction vertical to the array plane of the clamping mechanism.
3. The elastomer stretching device of claim 2, wherein the power assembly comprises a motor, a ball screw, and a ball nut;
the motor is arranged on the support;
the ball screw is arranged along the direction vertical to the array plane of the clamping mechanism and is in transmission connection with a rotating shaft of the motor;
the ball nut is arranged in the middle of the sliding part and sleeved on the ball screw.
4. An elastomer stretching device as claimed in claim 3, wherein the rotating shaft of the motor is drivingly connected to the ball screw timing belt.
5. An elastomer stretching device as claimed in claim 2, wherein said seat comprises a base plate and a second guide;
the second guide pieces are arranged on the bottom plate, extend along the direction perpendicular to the array plane of the clamping mechanisms and penetrate through the sliding piece;
the power assembly is mounted on the bottom plate;
the lifting mechanism is arranged at the upper ends of the second guide pieces.
6. The elastomer stretching device as claimed in claim 5, wherein said support further comprises a plurality of guide tubes, and a plurality of said guide tubes are sleeved on a plurality of said second guide members in a one-to-one correspondence;
the sliding member is connected to the plurality of guide tubes.
7. An elastomer stretching device as claimed in claim 1, wherein said lifting mechanism comprises a lifting cylinder and a lifting table;
the lifting table is connected to the lifting cylinder;
the lifting cylinder is arranged on the support and used for driving the lifting table to move along the direction vertical to the array plane of the clamping mechanism.
8. An elastomer stretching device as claimed in claim 1, wherein said gripping means comprises pneumatic clamps.
9. An elastomer stretching device as claimed in claim 8, wherein the front end of said pneumatic gripper is provided with two chamfers;
and when the pneumatic clamps are closed, the chamfers of the adjacent pneumatic clamps are attached.
10. An elastomer stretching device as claimed in claim 1, wherein said elastomer stretching device comprises eight of said gripping mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411218.4U CN209851709U (en) | 2019-03-28 | 2019-03-28 | Elastomer stretching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411218.4U CN209851709U (en) | 2019-03-28 | 2019-03-28 | Elastomer stretching device |
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| Publication Number | Publication Date |
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| CN209851709U true CN209851709U (en) | 2019-12-27 |
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| CN201920411218.4U Active CN209851709U (en) | 2019-03-28 | 2019-03-28 | Elastomer stretching device |
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| CN (1) | CN209851709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808242A (en) * | 2019-03-28 | 2019-05-28 | 博众精工科技股份有限公司 | Elastomer stretching device |
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2019
- 2019-03-28 CN CN201920411218.4U patent/CN209851709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808242A (en) * | 2019-03-28 | 2019-05-28 | 博众精工科技股份有限公司 | Elastomer stretching device |
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