CN113021924A - Air-conditioning film welding and cutting integrated assembly and production equipment - Google Patents
Air-conditioning film welding and cutting integrated assembly and production equipment Download PDFInfo
- Publication number
- CN113021924A CN113021924A CN202110305903.0A CN202110305903A CN113021924A CN 113021924 A CN113021924 A CN 113021924A CN 202110305903 A CN202110305903 A CN 202110305903A CN 113021924 A CN113021924 A CN 113021924A
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- Prior art keywords
- welding
- cutting integrated
- cutting
- modified atmosphere
- roller
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- 238000003466 welding Methods 0.000 title claims abstract description 103
- 238000005520 cutting process Methods 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000004378 air conditioning Methods 0.000 title abstract description 17
- 239000000463 material Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 8
- 238000012797 qualification Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000001914 filtration Methods 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
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
- B29C65/7435—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc the tool being a roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses an air-conditioning film welding and cutting integrated assembly and production equipment, wherein the air-conditioning film welding and cutting integrated assembly comprises an air-conditioning film welding and cutting integrated roller and a template which are oppositely arranged, the middle part of the template is provided with a containing cavity for containing a welding head, an air-conditioning film penetrates through the space between the air-conditioning film welding and cutting integrated roller and the welding head, the welding rod is arranged on the air-conditioning film welding and cutting integrated roller, a cutter is arranged on the periphery of the welding rod and drives the air-conditioning film welding and cutting integrated roller to rotate. According to the air-conditioning film welding and cutting integrated assembly, the welding rod and the cutter which are nested are arranged on the welding and cutting integrated roller, and the welding and cutting integrated roller is driven to rotate, so that welding and cutting are completed simultaneously, and the production flow is greatly simplified.
Description
Technical Field
The invention relates to the technical field of modified atmosphere film processing equipment, in particular to a modified atmosphere film welding and cutting integrated assembly and production equipment.
Background
The air regulating film is an important part of the refrigerator, is arranged at the air vents inside and outside the refrigerator and has the functions of filtering air, blocking foreign matters and the like. The finished product of the air-conditioning film comprises PVA film composite non-woven fabric and PE film composite non-woven fabric, and the peripheries of the PVA film composite non-woven fabric and the PE film composite non-woven fabric are welded through ultrasonic waves.
In the prior art, the production of the air-conditioning film requires manual welding on ultrasonic welding equipment and then manual cutting into pieces, and the processing mode has low efficiency and low yield. The artificial productivity is not satisfied due to the large demand of the air-conditioning film.
Disclosure of Invention
In order to solve the technical problems of low efficiency and low qualification rate of the existing air-conditioned membrane processing mode in the background art, the invention provides an air-conditioned membrane welding and cutting integrated assembly and production equipment, so that the production efficiency and the qualification rate of the air-conditioned membrane are improved, and the actual production requirement is met.
In order to achieve the purpose, the specific technical scheme of the air-conditioning film welding and cutting integrated assembly and the production equipment is as follows:
the utility model provides an integrative subassembly is cut in modified atmosphere membrane welding, includes relative ground integrative roller bearing of cutting and template, and the template middle part is equipped with the appearance chamber that holds the soldered connection, and modified atmosphere membrane passes between integrative roller bearing of cutting and the soldered connection, is equipped with the welding rod on the integrative roller bearing of cutting of welding respectively, and the welding rod periphery is equipped with the cutter, and the integrative roller bearing of drive cutting of welding rotates to make welding and cutting accomplish simultaneously.
Furthermore, the welding and cutting integrated roller is rotationally fixed on the fixed seat, and the top surface of the fixed seat is connected with a lifting mechanism.
Further, elevating system includes the cylinder, and the cylinder is fixed in the backup pad, and the backup pad is fixed on supporting platform, the drive shaft and the fixing base fixed connection of cylinder.
Furthermore, the drive shaft and the guide fixed connection of cylinder, the guide include the lifter plate of being connected with the cylinder, the lifter plate bottom surface is equipped with two piece at least guide bars, the guide bar runs through backup pad and fixing base fixed connection.
Furthermore, the welding and cutting integrated roller further comprises a rotary driving mechanism for driving the welding and cutting integrated roller to rotate, and the rotary driving mechanism is connected with a rotating shaft of the welding and cutting integrated roller.
Furthermore, the rotary driving mechanism comprises a first universal joint connected with the welding and cutting integrated roller, the first universal joint is connected with a second universal joint through a connecting rod, the second universal joint is connected with a chain shaft, a driven sprocket is arranged on the chain shaft, the driven sprocket is connected with a driving sprocket through a chain, and the driving sprocket is fixed on a driving shaft of the motor.
Furthermore, a material pulling assembly is arranged at the downstream of the welding and cutting integrated rolling shaft.
Furthermore, draw the material subassembly and include that the first material gyro wheel that draws and the second that sets up from top to bottom draw the material gyro wheel, two tip that draw the material gyro wheel rotate respectively fix on the end plate, draw the tip and be connected with power spare of material gyro wheel.
Furthermore, the two ends of the first pulling roller are rotationally fixed on the adjusting plate, the adjusting plate is arranged on the end plate in a lifting mode, the adjusting nut is screwed on the end plate, and the adjusting nut is rotationally connected with the adjusting plate.
Further, the material pulling assembly is connected with a transmission piece, and the transmission piece is connected with the rotary driving mechanism.
Further, the driving medium includes the driving wheel group of being connected with rotary driving mechanism's motor, and the driving wheel group is connected with the connecting rod, and the other end of connecting rod is connected with the driven wheelset, driven wheelset with fix the gear engagement on drawing the material gyro wheel.
The modified atmosphere film production equipment comprises the modified atmosphere film welding and cutting integrated assembly, wherein a feeding assembly is arranged at the upper stream of the modified atmosphere film welding and cutting integrated assembly, and a discharging assembly is arranged at the lower stream of the modified atmosphere film welding and cutting integrated assembly.
The air-conditioning film welding and cutting integrated assembly and the production equipment have the following advantages:
according to the gas-regulating film welding-cutting integrated assembly, the welding rods and the cutters are arranged on the welding-cutting integrated roller in a nested manner, so that the welding-cutting integrated roller is driven to rotate, welding and cutting are completed simultaneously, the production flow is greatly simplified, the production efficiency and the product percent of pass are improved, the workload of personnel is reduced, and the product quality is improved.
Drawings
FIG. 1 is a schematic structural diagram of a production facility of the modified atmosphere film of the present invention;
FIG. 2 is a schematic view of the structure of the modified atmosphere welding and cutting integrated assembly of the present invention;
FIG. 3 is a schematic view of the internal structure of the modified atmosphere welding and cutting integrated assembly of the present invention;
FIG. 4 is a rear view of the modified atmosphere welding and cutting integrated assembly of the present invention;
FIG. 5 is a right side view of the modified atmosphere film welding and cutting integrated assembly of the present invention;
FIG. 6 is a schematic view of a first embodiment of a welding-cutting integrated roller according to the present invention;
fig. 7 is a schematic structural view of a welding-cutting integrated roller according to a second embodiment of the present invention.
The reference numbers in the figures illustrate: 1. welding and cutting the integrated assembly; 11. welding and cutting an integrated roller; 111. a cutter; 112. welding rods; 113. a fixed seat; 12. a template; 13. a lifting mechanism; 131. a cylinder; 132. a lifting plate; 133. a guide bar; 14. a rotation driving mechanism; 141. a first universal joint; 142. a connecting rod; 143. a second universal joint; 144. a chain shaft; 145. a driven sprocket; 146. a drive sprocket; 147. a motor; 148. a driving wheel set; 149. a connecting rod; 1410. a driven wheel set; 15. a support plate; 151. mounting a plate; 2. a feeding assembly; 21. a support frame; 22. a support shaft; 3. pulling the material assembly; 31. a first pulling roller; 32. a second pulling roller; 4. and a blanking assembly.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a modified atmosphere welding and cutting integrated assembly and a production device of the present invention are further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, the modified atmosphere film welding and cutting integrated assembly of the present invention comprises a welding and cutting integrated roller 11 and a template 12 which are oppositely arranged, wherein a cavity for accommodating a welding head is arranged in the middle of the template 12, the modified atmosphere film passes through the welding and cutting integrated roller 11 and the welding head, welding rods 112 are respectively arranged on the welding and cutting integrated roller 11, and a cutter 111 is arranged on the periphery of each welding rod 112 to drive the welding and cutting integrated roller 11 to rotate, so that welding and cutting are simultaneously completed, a production flow is greatly simplified, production efficiency and product qualification rate are improved, workload of personnel is reduced, and product quality is improved.
According to the variety and the demand of the modified atmosphere film, as shown in fig. 6, the modified atmosphere film further comprises a PE film composite non-woven fabric modified atmosphere film, the PE film is a transparent film, the size of the PE film is 60mm x 200mm, the welding and cutting integrated roller 11 for producing the PE film composite non-woven fabric modified atmosphere film is provided with two strip frame-shaped welding rods 112 and a cutting knife 111, and two pieces of PE film composite non-woven fabric modified atmosphere film can be produced simultaneously; as shown in FIG. 7, the modified atmosphere film comprises a PVA film composite non-woven fabric modified atmosphere film, the PVA film is a blue film, the size is 180mm by 250mm, and a welding and cutting integrated roller 11 for producing the PVA film is provided with a welding rod 112 and a cutting knife 111 in a long strip frame shape.
In order to facilitate the replacement of the material, as shown in fig. 4, the welding and cutting integrated roller 11 is rotatably fixed on a fixed seat 113, the top surface of the fixed seat 113 is connected with a lifting mechanism 13, and the lifting mechanism 13 can control the height of the welding and cutting integrated roller 11 to adjust the pressure of the welding and cutting integrated roller 11 on the modified atmosphere film.
In one embodiment, the lifting mechanism 13 includes a cylinder 131, the cylinder 131 is fixed on the supporting plate 15, the supporting plate 15 is fixed on the supporting platform, and the driving shaft of the cylinder 131 is fixedly connected with the fixing base 113.
Be equipped with the trompil that holds template 12 on the supporting platform, the supporting platform below is equipped with the ultrasonic welding subassembly, and template 12 middle part is equipped with the opening, and the soldered connection of ultrasonic welding subassembly stretches into in the opening of template 12.
In order to control the fixed seat 113 to be more stable in the lifting process, the driving shaft of the air cylinder 131 is fixedly connected with the guide member, the guide member comprises a lifting plate 132 connected with the air cylinder 131, at least two guide rods 133 are arranged on the bottom surface of the lifting plate 132, and the bottom ends of the guide rods 133 penetrate through the mounting plate 151 at the bottom of the support plate 15 to be fixedly connected with the fixed seat 113.
In order to control the rotation of the welding and cutting integrated roller 11, the welding and cutting integrated roller also comprises a rotary driving mechanism for driving the welding and cutting integrated roller 11 to rotate, and the rotary driving mechanism is connected with a rotating shaft of the welding and cutting integrated roller 11.
In order to ensure that the welding and cutting integrated roller 11 can still freely rotate after being lowered, the rotating shaft of the welding and cutting integrated roller 11 penetrates through the side wall of the fixed seat 113 and extends out of the fixed seat 113, the rotating driving mechanism comprises a first universal joint 141 connected with the rotating shaft of the welding and cutting integrated roller 11, the other end of the first universal joint 141 is connected with a connecting rod 142, the end part of the connecting rod 142 is connected with a second universal joint 143, the other end of the second universal joint 143 is connected with a chain shaft 144, and the chain shaft 144 is driven to rotate, so that the welding and cutting integrated roller 11 can still freely rotate after being pressed downwards, and the production of the air-conditioned membrane is completed.
The chain shaft 144 is provided with a driven sprocket 145, the driven sprocket 145 is connected to a drive sprocket 146 via a chain, and the drive sprocket 146 is fixed to a drive shaft of a motor 147.
In order to ensure that the modified atmosphere film has certain transmission power in the production process, as shown in fig. 1, a pulling component 3 is arranged at the downstream of the welding and cutting integrated roller 11, and the pulling component 3 provides power for the whole mechanism.
The material pulling assembly 3 comprises a first material pulling roller 31 and a second material pulling roller 32 which are arranged up and down, the end parts of the two material pulling rollers are respectively and rotatably fixed on the end plate, and the end parts of the material pulling rollers are connected with the power part.
As shown in fig. 2, two ends of the first pulling roller 31 are rotatably fixed on the adjusting plate, the end plate is provided with a cavity for accommodating the adjusting plate, an adjusting nut is screwed on the top of the cavity, and the end of the adjusting nut is rotatably connected with the top surface of the adjusting plate, so that the distance between the two pulling rollers is adjusted to clamp the air-conditioned films with different thicknesses.
In order to guarantee that the rhythm of the material pulling assembly 3 and the welding and cutting integrated assembly 1 of the air-conditioning film is consistent, the material pulling assembly 3 is connected with a transmission piece, and the transmission piece is connected with a rotary driving mechanism, so that the speeds of the material pulling assembly 3 and the rotary driving mechanism are consistent, and the stability of the system is improved.
As shown in fig. 5, the transmission member includes a driving wheel set 148 connected to the motor 147 of the rotation driving mechanism, the driving wheel set 148 is connected to the connecting rod 149, the other end of the connecting rod 149 is connected to a driven wheel set 1410, and a gear engaged with the driven wheel set 1410 is provided at the end of the rotating shaft of the drawing roller, so that one motor 147 drives the drawing assembly 3 and the welding-cutting integrated roller 11.
The invention also provides modified atmosphere film production equipment which comprises the modified atmosphere film welding and cutting integrated assembly 1, wherein a feeding assembly 2 is arranged at the upstream of the modified atmosphere film welding and cutting integrated assembly 1, and a discharging assembly 4 is arranged at the downstream of the modified atmosphere film welding and cutting integrated assembly 1.
The feeding assembly 2 comprises a support frame 21, a plurality of support shafts 22 are arranged on the support frame 21, a material tray wound with the air-conditioning film is fixed on the support shafts 22, and a guide rod 133 is further arranged on the support frame 21.
As shown in fig. 1, the blanking assembly 4 comprises a frame body, a plurality of material receiving positions are arranged on the frame body, a material receiving motor is fixed on the material receiving positions, and a rotating shaft is arranged on a driving shaft of the material receiving motor.
This gas-regulating membrane welds integrative subassembly of cutting through be equipped with welding rod 112 and cutter 111 that the nestification set up on welding and cutting integrative roller bearing 11, the integrative roller bearing 11 rotation of drive welding and cutting makes welding and cutting accomplish simultaneously, has simplified the production flow greatly, improves production efficiency and product percent of pass, reduces personnel's work load, improves the product quality.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (12)
1. The utility model provides an air-conditioned membrane welds integrative subassembly of cutting which characterized in that, including welding integrative roller bearing (11) and template (12) relatively set up, template (12) middle part is equipped with the appearance chamber that holds the soldered connection, the air-conditioned membrane passes between welding integrative roller bearing (11) of cutting and the soldered connection, is equipped with welding rod (112) on welding integrative roller bearing (11) of cutting, and welding rod (112) periphery is equipped with cutter (111), and the integrative roller bearing (11) of drive welding cutting rotates to make welding and cutting accomplish simultaneously.
2. The modified atmosphere film welding and cutting integrated assembly according to claim 1, wherein the welding and cutting integrated roller (11) is rotatably fixed on a fixed seat (113), and the top surface of the fixed seat (113) is connected with a lifting mechanism (13).
3. Modified atmosphere film welding and cutting integrated assembly according to claim 2, wherein the lifting mechanism (13) comprises a cylinder (131), the cylinder (131) is fixed on the support plate (15), the support plate (15) is fixed on the support platform, and the driving shaft of the cylinder (131) is fixedly connected with the fixed seat (113).
4. The modified atmosphere welding and cutting integrated assembly according to claim 3, wherein the driving shaft of the air cylinder (131) is fixedly connected with the guiding member, the guiding member comprises a lifting plate (132) connected with the air cylinder (131), at least two guiding rods (133) are arranged on the bottom surface of the lifting plate (132), and the guiding rods (133) penetrate through the supporting plate (15) and are fixedly connected with the fixed seat (113).
5. The modified atmosphere film welding-cutting integrated assembly according to claim 1, further comprising a rotation driving mechanism for driving the welding-cutting integrated roller (11) to rotate, wherein the rotation driving mechanism is connected with a rotating shaft of the welding-cutting integrated roller (11).
6. The modified atmosphere film welding and cutting integrated assembly according to claim 5, wherein the rotary driving mechanism comprises a first universal joint (141) connected with the welding and cutting integrated roller (11), the first universal joint (141) is connected with a second universal joint (143) through a connecting rod (142), the second universal joint (143) is connected with a chain shaft (144), a driven sprocket (145) is arranged on the chain shaft (144), the driven sprocket (145) is connected with a driving sprocket (146) through a chain, and the driving sprocket (146) is fixed on a driving shaft of a motor (147).
7. Modified atmosphere film welding-cutting integrated assembly according to claim 5, characterized in that a pulling assembly (3) is arranged downstream of the welding-cutting integrated roller (11).
8. The modified atmosphere welding and cutting integrated assembly according to claim 7, wherein the pulling assembly (3) comprises a first pulling roller (31) and a second pulling roller (32) which are arranged up and down, the ends of the two pulling rollers are respectively and rotatably fixed on the end plate, and the ends of the pulling rollers are connected with the power piece.
9. The modified atmosphere welding and cutting integrated assembly according to claim 8, wherein the two ends of the first material pulling roller (31) are rotatably fixed on the adjusting plate, the adjusting plate is arranged on the end plate in a lifting manner, an adjusting nut is screwed on the end plate, and the adjusting nut is rotatably connected with the adjusting plate.
10. The modified atmosphere film welding and cutting integrated assembly according to claim 7, wherein the pulling assembly (3) is connected with a transmission piece, and the transmission piece is connected with a rotary driving mechanism.
11. The modified atmosphere film welding-cutting integrated assembly according to claim 10, wherein the transmission member comprises a driving wheel set (148) connected with a motor (147) of the rotary driving mechanism, the driving wheel set (148) is connected with a connecting rod (149), the other end of the connecting rod (149) is connected with a driven wheel set (1410), and the driven wheel set (1410) is meshed with a gear fixed on the material pulling roller.
12. A modified atmosphere film production facility, comprising the modified atmosphere film welding and cutting integrated assembly of any one of claims 1 to 11, wherein a feeding assembly (2) is arranged at the upstream of the modified atmosphere film welding and cutting integrated assembly, and a discharging assembly (4) is arranged at the downstream of the modified atmosphere film welding and cutting integrated assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305903.0A CN113021924A (en) | 2021-03-23 | 2021-03-23 | Air-conditioning film welding and cutting integrated assembly and production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305903.0A CN113021924A (en) | 2021-03-23 | 2021-03-23 | Air-conditioning film welding and cutting integrated assembly and production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113021924A true CN113021924A (en) | 2021-06-25 |
Family
ID=76472740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110305903.0A Pending CN113021924A (en) | 2021-03-23 | 2021-03-23 | Air-conditioning film welding and cutting integrated assembly and production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113021924A (en) |
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| CN1852836A (en) * | 2003-09-25 | 2006-10-25 | 柳载顺 | Apparatus for manufacturing packing vinyl-envelope strip and method of manufacturing such packing vinyl-envelope strip using the same |
| CN203712270U (en) * | 2014-02-25 | 2014-07-16 | 李东 | Compression welding and cutting device |
| CN111267363A (en) * | 2020-03-13 | 2020-06-12 | 广州吉川机电装备有限公司 | Mask machine |
| CN111850916A (en) * | 2020-08-19 | 2020-10-30 | 天津市宝嘉服装机械有限公司 | Ultrasonic sewing embossing machine |
-
2021
- 2021-03-23 CN CN202110305903.0A patent/CN113021924A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1852836A (en) * | 2003-09-25 | 2006-10-25 | 柳载顺 | Apparatus for manufacturing packing vinyl-envelope strip and method of manufacturing such packing vinyl-envelope strip using the same |
| CN203712270U (en) * | 2014-02-25 | 2014-07-16 | 李东 | Compression welding and cutting device |
| CN111267363A (en) * | 2020-03-13 | 2020-06-12 | 广州吉川机电装备有限公司 | Mask machine |
| CN111850916A (en) * | 2020-08-19 | 2020-10-30 | 天津市宝嘉服装机械有限公司 | Ultrasonic sewing embossing machine |
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