CN212653552U - Automatic paper cutting rotary table - Google Patents
Automatic paper cutting rotary table Download PDFInfo
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- CN212653552U CN212653552U CN202020944096.8U CN202020944096U CN212653552U CN 212653552 U CN212653552 U CN 212653552U CN 202020944096 U CN202020944096 U CN 202020944096U CN 212653552 U CN212653552 U CN 212653552U
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Abstract
The invention discloses an automatic paper cutting rotary worktable, which comprises a sliding part, a rotary part, a control part and a pneumatic paper pressing part. The rotary worktable is a matching machine of an automatic paper cutter, has the function of automatically rotating and placing a paper stack, then cuts paper by the paper cutter instead of manually rotating the paper stack, and is a component of the full-automatic paper cutter. The automatic paper cutting rotary worktable clamps the paper stack by an upper concentric part and a lower concentric part to rotate, adopts a multi-circle absolute value angle encoder to position a rotating angle, and simultaneously adopts hydraulic pressure to push up the paper stack, so that the friction force is smaller when the paper stack rotates, and the rotating precision is higher.
Description
Technical Field
The invention relates to an auxiliary facility of large paper stack cutting processing equipment, in particular to an automatic paper cutting rotary worktable.
Background
Current paper cutter a all waits to cut paper buttress through artifical rotatory promotion and carries out the cut paper on the paper cutter platform, not only wastes time and energy but also has the potential safety hazard, has reduced work efficiency, still increases the defective percentage when artifical rotatory not in place.
Disclosure of Invention
The invention aims to solve the problem that the rotation angle of the rotary cut paper in the prior art is not accurate.
In order to achieve the above object, the present invention provides an automatic paper cutting rotary table including a slide portion, a rotary portion, a control portion, and a pneumatic paper pressing portion. The sliding part comprises two groups of linear guide rail sleeves arranged on the lower portion of the paper cutter platform in parallel at intervals, linear guide rail pressing blocks arranged on one side of the paper cutter platform in a sleeved mode, a workbench base arranged on the lower portion of the linear guide rail sleeves in a sliding mode, a servo motor arranged on the paper cutter platform, and a ball screw device driven by the servo motor to slide along the guide rails. The linear guide rail suit comprises a linear guide rail and a sliding block matched with the guide rail; the inside cavity that is of workstation base.
The turning part includes: the hydraulic oil cylinder comprises a piston arranged in a workbench base, an oil cylinder cover matched with the piston, a rotary workbench plate arranged on the workbench base through two precise end face fluted discs, a main shaft, a first thrust ball bearing, a second thrust ball bearing and a worm wheel seat, wherein one end of the main shaft is connected with the lower part of the rotary workbench plate, the other end of the main shaft penetrates through the two precise end face fluted discs and the piston and then is rotationally fixed at the bottom of the workbench base, the first thrust ball bearing is arranged between the two precise end face fluted discs and the main shaft, the worm wheel seat is sleeved at the lower part of one end, extending into an inner hole of the piston, the worm wheel is arranged outside the worm wheel seat, the worm is matched with the worm wheel, the alternating current servo motor with an output shaft connected with a shaft end hole of the worm, the lower end cover is arranged at the bottom of the workbench base, and the second thrust ball bearing is arranged between the bottom surface of the worm wheel seat and the lower end cover; the lower fluted discs of the two precise end-face fluted discs are arranged on the base of the workbench, and the upper fluted discs of the two precise end-face fluted discs are arranged on the rotary workbench plate; two shaft ends of the worm are respectively and penetratingly arranged in the inner wall of the lower part of the workbench base through tapered roller bearings.
The control section includes: the rotary worktable comprises an encoder support fixed in a lower end cover mounting hole, a multi-circle absolute value angle encoder arranged on the encoder support, an 8-shaped encoder coupler with one end arranged on an output shaft of the multi-circle absolute value angle encoder, a shaft connecting disc arranged at the other end of the 8-shaped encoder coupler and arranged on the rotary worktable plate, and a second gland arranged on the shaft connecting disc.
The pneumatic paper pressing section includes: the L-shaped cylinder support is arranged at the upper part of the workbench base, the cylinder is fixed at the extending end of the cylinder support, the first gland is sleeved at the extending end of the cylinder, the joint is arranged at the extending end of the cylinder, the first deep groove ball bearing and the third thrust ball bearing are sequentially arranged on the joint, and the paper pressing foot is sleeved outside the first deep groove ball bearing 3 and the third thrust ball bearing; the paper pressing foot is fixedly connected with the joint.
Preferably, the servo motor is mounted on the cutter platform by a motor mount.
Preferably, the ball screw device comprises a screw front seat installed on a motor base, a ball screw installed on the paper cutter and rolling installed on the screw front seat and the screw rear seat, a motor coupling connected with the ball screw and the servo motor driving end, and a ball nut arranged on the ball screw to drive the workbench base to slide.
Preferably, the outer sides of two shaft ends of the worm are fixed in the inner wall of the workbench base through a third gland and a transparent cover.
Preferably, a rubber gasket is arranged below the paper pressing foot.
The rotary worktable is a matching machine of an automatic paper cutter, has the function of automatically rotating and placing a paper stack, then cuts paper by the paper cutter instead of manually rotating the paper stack, and is a component of the full-automatic paper cutter. The automatic paper cutting rotary worktable clamps the paper stack by an upper concentric part and a lower concentric part to rotate, adopts a multi-circle absolute value angle encoder to position a rotating angle, and simultaneously adopts hydraulic pressure to push up the paper stack, so that the friction force is smaller when the paper stack rotates, and the rotating precision is higher.
Drawings
Fig. 1 is a left side view schematic diagram of the automatic paper cutting rotary table according to the present invention.
Fig. 2 is a schematic structural view of the auto-cutting rotary table of the present invention, taken along the line a-a in fig. 1.
Fig. 3 is a schematic structural view of the auto-cutting rotary table according to the present invention, in which the guide rail portion is removed in the P direction.
Fig. 4 is a schematic structural view of the auto-cutting rotary table of the present invention, taken along the line B-B in fig. 2.
Fig. 5 is a left side view schematically showing the structure of the linear guide rail set of the automatic paper cutting rotary table according to the present invention.
Fig. 6 is a schematic cross-sectional view of the linear guide set of the automatic paper cutting rotary table according to the present invention.
Fig. 7 is a schematic view of the entire structure of the auto-cutting rotary table according to the present invention on the auto-cutter.
Fig. 8 is a schematic top view of the entire structure of the auto-cutting rotary table according to the present invention on the auto-cutter.
Wherein: 1. small round nut, 2, third thrust ball bearing, 3, first deep groove ball bearing, 4, paper pressing foot, 5, rubber gasket, 6, inner hexagonal socket head screw, 7, gland, 8, joint, 9, cylinder, 10, cylinder support, 11, 12, 14, 18, 19, 20, 22, 28, 30, 36, 43, 51, 52, 58, inner hexagonal socket head screw, 13, linear guide rail press block, 15, linear guide rail sleeve, 16, rotary table, 17, two-body precision end face fluted disc, 21, oil cylinder cover, 23, first thrust ball bearing, 24, piston, 25, gland, 26, shaft connecting disc, 27.8-shaped encoder coupler, 29, main shaft, 31, inner threaded cylindrical pin, 32, hydraulic O-shaped rubber sealing ring, 33, inner threaded cylindrical pin, 34, hydraulic O-shaped rubber sealing ring, 35, table base, 37, hydraulic O-shaped rubber sealing ring, 38. the hydraulic oil seal device comprises a worm wheel, a 39 worm wheel seat, 40 hydraulic O-shaped rubber sealing rings, 41 multi-ring absolute value angle encoders, 42 lower end covers, 44 encoder supports, 45 round nuts, 46 ferrule type end direct pipe joints, 47B type press-fit rubber pipe joints, 48 inner hexagonal plugs, 49 press-fit circular oil marks, 50 alternating current servo motors, 53 transparent covers, 54J type framework rubber oil seals, 55 conical roller bearings, 56 worms, 57 press covers and 59 second deep groove ball bearings; 60. the second thrust ball bearing, 61 motor base, 62 servo motor, 63 motor coupling, 64 screw front base, 65 ball screw, 66 ball nut, 67 nut base, 68 screw rear base.
Detailed Description
As shown in fig. 7 to 8, comprises a sliding part, a revolving part, a control part and a pneumatic paper pressing part;
the sliding part comprises two groups of linear guide rail suit 15 arranged at the lower part of the paper cutter platform at intervals in parallel, two linear guide rail press blocks 13 respectively arranged at one side of the linear guide rail suit 15 on the paper cutter platform, a workbench base 35 arranged at the lower part of the linear guide rail suit 15 in a sliding way, a servo motor 62 arranged on the paper cutter platform, and a ball screw device which drives the workbench base 35 to slide along the guide rail through the servo motor 62. The inner part of the workbench base 35 is a cavity; the servo motor 62 is mounted on the cutter platform by a motor mount 61. As shown in fig. 7, the ball screw device includes a front screw seat 64 mounted on the motor seat 61, a ball screw 65 mounted on the paper cutter a and rolling-mounted on the front screw seat 64 and the rear screw seat 68, a motor coupling 63 connecting the ball screw 65 and the driving end of the servo motor 62, and a ball nut 66 disposed on the ball screw 65 and driving the table base 35 to slide.
As shown in fig. 5 to 6, the linear guide set 15 includes a linear guide and a slider engaged with the linear guide.
As shown in fig. 2 to 4, the turning part includes: the hydraulic servo system comprises a piston 24 arranged in the workbench base 35, an oil cylinder cover 21 matched with the piston 24, a rotary workbench plate 16 arranged on the workbench base 35 through two precise end face fluted discs 17, a main shaft 29, a first thrust ball bearing 23, a worm wheel seat 39, a worm wheel 38, a worm gear 56, an alternating current servo motor 50, a lower end cover 42 and a lower end cover, wherein one end of the main shaft 29 is connected with the lower part of the worm 56, the lower end cover 42 is arranged at the bottom of the workbench base 35, one end of the main shaft 29 is connected with the lower part of the rotary workbench plate 16, the other end of the main shaft penetrates through the two precise end face fluted discs 17 and the piston 24 and then is fixed at the bottom of the workbench base 35 in a rotating mode, the first thrust ball bearing 23 is arranged between the two precise end face fluted discs 17 and the main shaft 29, the worm, A second thrust ball bearing 60 provided between the bottom surface of the worm wheel seat 39 and the lower end cover 42; the lower fluted disc of the two precise end-face fluted discs 17 is arranged on the workbench base 35, and the upper fluted disc of the two precise end-face fluted discs 17 is arranged on the rotary workbench plate 16; two shaft ends of the worm 56 are respectively installed in the lower inner wall of the workbench base 35 through tapered roller bearings 55. The outer sides of two shaft ends of the worm 56 are fixed in the inner wall of the workbench base 35 through a third gland 57 and the transparent cover 53.
As shown in fig. 2, the control section includes: the rotary worktable comprises an encoder support 44 fixed in the mounting hole of the lower end cover 42, a multi-turn absolute value angle encoder 41 arranged on the encoder support 44, an 8-shaped encoder coupler 27 with one end arranged on an output shaft of the multi-turn absolute value angle encoder 41, a shaft connecting disc 26 arranged at the other end of the 8-shaped encoder coupler 27 and arranged on the rotary worktable plate 16, and a second gland 25 arranged on the shaft connecting disc 26.
As shown in fig. 1, the air-powered platen portion includes: the L-shaped air cylinder support 10 is arranged on the upper portion of the workbench base 35, an air cylinder 9 fixed at the extending end of the air cylinder support 10, a first gland 7 sleeved at the extending end of the air cylinder 9, a joint 8 arranged at the extending end of the air cylinder 9, a first deep groove ball bearing 3 and a third thrust ball bearing 2 which are sequentially arranged on the joint 8, and a paper pressing foot 4 sleeved outside the first deep groove ball bearing 3 and the third thrust ball bearing 2; the paper pressing foot 4 is fixedly connected with the joint 8. The lower part of the paper pressing foot 4 is provided with a rubber gasket 5.
Example (b):
a structure of a rotary worktable for automatically cutting paper is that a linear guide rail suit 15 is installed on a paper cutter platform by a screw, a linear guide rail pressing block 13 presses a guide rail of the linear guide rail suit 15 on the paper cutter platform and is fixed by an inner hexagonal socket head cap screw 14, a worktable base 35 is installed on a sliding block of the linear guide rail suit 15 and is fixed by an inner hexagonal socket head cap screw 11; the piston 24 is arranged on the workbench base 35, and then the oil cylinder cover 21 is sleeved on the workbench base 35 by the piston 24 and is fixed by the hexagon socket head cap screw 19; the lower fluted disc of the two-body precise end-face fluted disc 17 is arranged on the workbench base 35 and connected by a screw, the upper fluted disc of the two-body precise end-face fluted disc 17 is arranged on the rotary workbench plate 16 and connected by a screw, the main shaft 29 is sleeved and arranged on the rotary workbench plate 16 by the inner hole of the upper fluted disc of the two-body precise end-face fluted disc 17 and connected by a screw, the first thrust ball bearing 23 is sleeved on the main shaft 29, then the main shaft 29 is arranged in the inner hole of the piston 24 and screwed by the round nut 45, and the first thrust ball bearing 23 is pressed tightly; the worm wheel 38 is installed on a worm wheel seat 39 and connected by a screw, the second deep groove ball bearing 59 is installed on the worm wheel seat 39 and then integrally installed on the workbench base 35 and fixed by a screw, the second thrust ball bearing 60 is installed on the bottom surface of the worm wheel seat 39, the encoder support 44 is fixed in the installation hole of the lower end cover 42 by a screw, the multi-turn absolute value angle encoder 41 is installed on the encoder support 44 and connected by a screw, one end of the 8-shaped encoder coupler 27 is installed on the output shaft of the multi-turn absolute value angle encoder 41 and fastened by a fastening screw, and then integrally installed on the workbench base 35 and fixed by a screw to compress the force ball bearing 60; two shaft heads of a worm 56 are arranged on a tapered roller bearing 55, the tapered roller bearing 55 is arranged in an installation hole of a workbench base 35, a third gland 57 and a through cover 53 are arranged on the workbench base 35 and tightly press the tapered roller bearings 55 at two ends, an alternating current servo motor 50 is arranged on the workbench base 35 and is fixed by an inner hexagonal cylindrical head screw 51, and an output shaft of the alternating current servo motor 50 is arranged in a shaft end hole of the worm 56 and is connected by a key; a shaft connecting disc 26 is arranged on the rotary working table plate 16, the shaft of the shaft connecting disc 26 is arranged at the other end of a 8-shaped encoder coupler 27 and is fastened by a fastening screw, and a second gland 25 is arranged on the shaft connecting disc 26 and is fixed by an inner hexagonal socket head cap screw 22; the cylinder support 10 is fixed on the workbench base 35 through an inner hexagonal socket head cap screw 58, and the cylinder 9 is arranged on the cylinder support 10 and fixed through screws; the joint 8 is installed on the cylinder 9, the first gland 7 is sleeved on the joint 8, then the first deep groove ball bearing 3 is installed on the joint 8, and the third thrust ball bearing 2 is pressed on the first deep groove ball bearing 3 and fixed by the small round nut 1; the rubber gasket 5 is adhered to the bottom surface of the paper pressing pin 4 by glue, then the paper pressing pin 4 is installed on the first deep groove ball bearing 3, the cylinder shaft extends out, and then the paper pressing pin 4 is connected with the first gland 7 by the hexagon socket head cap screw 6. The motor base 61 is installed on the paper cutting machine platform and fixed by bolts, the servo motor 62 and the lead screw front base 64 are installed on the motor base 61, the lead screw rear base 68 is installed on the paper cutting machine, the ball screw 65 is installed on the lead screw front base 64 and the lead screw rear base 68, the ball screw 65 and the servo motor 62 are connected through the motor coupler 63, the nut base 67 is installed on the workbench base 35 and connected through screws, and the ball nut 66 on the ball screw 65 is fixed together through screws.
The motion process and the working principle thereof are as follows:
the rotary table is a component of an automatic paper cutting machine, and the height of the rotatable paper stack is 20mm to 160 mm. As shown in fig. 7 to 8, the initial position of the automatic paper cutting rotary table is the rightmost side of the paper cutter, and the shaft of the air cylinder 9 is fully retracted. The paper stack to be cut is placed between the paper pressing foot 4 and the rotary table plate 16, the air cylinder 9 extends out to clamp the paper stack, the servo motor 62 rotates, the ball nut 66 moves forwards, the table base 35 connected with the ball nut moves forwards at the same time, the front edge of the paper stack is conveyed to the lower edge of the paper cutter, the paper cutter cuts the edge evenly, the servo motor 62 rotates backwards, the ball nut 66 moves backwards, the table base 35 connected with the ball nut moves backwards at the same time until the table base 35 moves to the rightmost side, oil is injected into the table base 35 (equivalent to a hydraulic cylinder body), the piston 24 pushes up 10mm, the rotary table plate 16 pushes up 10mm at the same time, the paper stack is separated from the platform of the paper cutter, the alternating current servo motor 50 rotates, the worm 56 drives the worm gear 38 to rotate, the multi-turn absolute value angle encoder 41 controls the rotary table plate 16 to rotate 90 degrees at the moment, the paper stack rotates 90 degrees at the same, then the working table base 35 (equivalent to a hydraulic cylinder body) unloads oil, the piston 24 falls back 10mm downwards, the rotary working table plate 16 falls back 10mm downwards at the same time, the servo motor 62 rotates, the working table base 35 moves forwards, the front edge of the paper stack at the moment is sent to the lower edge of a paper cutter of the paper cutter, the paper cutter cuts the edge, the process is repeated twice by analogy, and the other two edges of the paper stack are cut and aligned to obtain the paper stack with the four edges aligned.
In the application, the third thrust ball bearing 2, the first deep groove ball bearing 3, the cylinder 9, the linear guide rail set 15, the first thrust ball bearing 23, the 8-shaped encoder coupler 27, the multi-turn absolute value angle encoder 41, the tapered roller bearing 55, the second deep groove ball bearing 59, the second thrust ball bearing 60, the motor coupler 63, the lead screw front seat 64, the ball screw 65, the ball nut 66 and the lead screw rear seat 68 are standard parts. The manufacturer models are respectively as follows: the linear guide rail set 15 is an upper silver slider HGH35CA + upper silver guide rail HGH35R (see fig. 5 and 6), the thrust ball bearing 51124, a Xingmai CB-46 x 55-6 x 6 elastic coupling, a Brayton BRT38-SO M1024D 100-RT1 multi-turn absolute value angle encoder, a conical roller bearing 32907, a deep groove ball bearing 61924, the thrust ball bearing 51124, an expansion sleeve coupling elastic diaphragm coupling DJM-03Y25T/Y25T, a ball screw fixing seat BK30, a ball screw FFZD4008R-5-P5, a ball nut ZQ1370-GZ-01 and a ball screw fixing seat FK 30.
The automatic paper cutting rotary worktable clamps the paper stack by an upper concentric part and a lower concentric part to rotate, adopts a multi-circle absolute value angle encoder to position a rotating angle, and simultaneously adopts hydraulic pressure to push up the paper stack, so that the friction force is smaller when the paper stack rotates, and the rotating precision is higher.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. An automatic paper cutting rotary worktable is characterized by comprising a sliding part, a rotary part, a control part and a pneumatic paper pressing part;
the sliding part comprises two groups of linear guide rail sleeves (15) which are arranged at the lower part of the paper cutter platform at intervals in parallel, linear guide rail pressing blocks (13) which are respectively arranged at one side of the paper cutter platform on the linear guide rail sleeves (15), a workbench base (35) which is slidably arranged at the lower part of the linear guide rail sleeves (15), a servo motor (62) which is arranged on the paper cutter platform, and a ball screw device which drives the workbench base (35) to slide along a guide rail through the servo motor (62);
the linear guide rail suit (15) comprises a linear guide rail and a sliding block matched with the guide rail;
the inner part of the workbench base (35) is a cavity;
the turning part includes: the hydraulic servo system comprises a piston (24) arranged in a workbench base (35), an oil cylinder cover (21) matched with the piston (24), a rotary working table plate (16) arranged on the workbench base (35) through two precise end face fluted discs (17), a main shaft (29) with one end connected with the lower part of the rotary working table plate (16) and the other end penetrating through the two precise end face fluted discs (17) and the piston (24) and then rotationally fixed at the bottom of the workbench base (35), a first thrust ball bearing (23) arranged between the two precise end face fluted discs (17) and the main shaft (29), a worm wheel base (39) sleeved on the main shaft (29) and extending into the lower part of one end of an inner hole of the piston (24), a worm wheel (38) arranged outside the worm wheel base (39), a worm (56) matched with the worm wheel (38), and an alternating current servo motor (50) with an output shaft connected with a shaft end hole of the worm (56), The lower end cover (42) is installed at the bottom of the workbench base (35), and the second thrust ball bearing (60) is arranged between the bottom surface of the worm wheel seat (39) and the lower end cover (42);
the lower fluted discs of the two precise end-face fluted discs (17) are arranged on the workbench base (35), and the upper fluted discs of the two precise end-face fluted discs (17) are arranged on the rotary workbench plate (16);
two shaft ends of the worm (56) are respectively installed in the inner wall of the lower part of the workbench base (35) in a penetrating way through tapered roller bearings (55);
the control section includes: the device comprises an encoder support (44) fixed in a mounting hole of the lower end cover (42), a multi-turn absolute value angle encoder (41) arranged on the encoder support (44), an 8-shaped encoder coupler (27) with one end arranged on an output shaft of the multi-turn absolute value angle encoder (41), a shaft connecting disc (26) arranged at the other end of the 8-shaped encoder coupler (27) and arranged on the rotary working table plate (16), and a second gland (25) arranged on the shaft connecting disc (26);
the pneumatic paper pressing section includes: the automatic paper pressing device comprises an L-shaped cylinder support (10) arranged on the upper portion of a workbench base (35), a cylinder (9) fixed at the extending end of the cylinder support (10), a first pressing cover (7) sleeved at the extending end of the cylinder (9), a joint (8) arranged at the extending end of the cylinder (9), a first deep groove ball bearing (3) and a third thrust ball bearing (2) which are sequentially arranged on the joint (8), and a paper pressing foot (4) sleeved outside the first deep groove ball bearing (3) and the third thrust ball bearing (2); the paper pressing foot (4) is fixedly connected with the joint (8).
2. The auto-cutting rotary table according to claim 1, characterized in that the servo motor (62) is mounted on the cutter platform by a motor mount (61).
3. The auto-cutting rotary table according to claim 1, wherein the ball screw device includes a screw front mount (64) mounted on a motor mount (61), a ball screw (65) mounted on the paper cutter (a) and roll-mounted on the screw front mount (64) and a screw rear mount (68), a motor coupling (63) connecting the ball screw (65) and a driving end of the servo motor (62), and a ball nut (66) provided on the ball screw (65) to slide the table base (35).
4. The auto-cutting rotary table according to claim 1, characterized in that both outer axial ends of the worm (56) are fixed in the inner wall of the table base (35) by a third gland (57) and a transparent cover (53).
5. The auto-cutting rotary table according to claim 1, characterized in that the lower part of the platen foot (4) is provided with a rubber pad (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944096.8U CN212653552U (en) | 2020-05-29 | 2020-05-29 | Automatic paper cutting rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944096.8U CN212653552U (en) | 2020-05-29 | 2020-05-29 | Automatic paper cutting rotary table |
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| Publication Number | Publication Date |
|---|---|
| CN212653552U true CN212653552U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020944096.8U Active CN212653552U (en) | 2020-05-29 | 2020-05-29 | Automatic paper cutting rotary table |
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| Country | Link |
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| CN (1) | CN212653552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399203A (en) * | 2021-06-08 | 2021-09-17 | 上海申风投资管理有限公司 | Automatic glue dispenser for adhering bipolar plates of proton exchange membrane fuel cells |
-
2020
- 2020-05-29 CN CN202020944096.8U patent/CN212653552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399203A (en) * | 2021-06-08 | 2021-09-17 | 上海申风投资管理有限公司 | Automatic glue dispenser for adhering bipolar plates of proton exchange membrane fuel cells |
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Address after: Gaotun village, Changsheng street, Zhuanghe City, Dalian City, Liaoning Province Patentee after: Liaoning Deya Intelligent Technology Co.,Ltd. Address before: Gaotun village, Changsheng street, Zhuanghe City, Dalian City, Liaoning Province Patentee before: Liaoning Dayang Intelligent Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |