CN111017339B - Full-automatic vacuum sealing device for food packaging - Google Patents

Full-automatic vacuum sealing device for food packaging Download PDF

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Publication number
CN111017339B
CN111017339B CN201911247096.0A CN201911247096A CN111017339B CN 111017339 B CN111017339 B CN 111017339B CN 201911247096 A CN201911247096 A CN 201911247096A CN 111017339 B CN111017339 B CN 111017339B
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China
Prior art keywords
groups
placing platform
block
bracket
sealing cutter
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CN201911247096.0A
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CN111017339A (en
Inventor
乐青山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Woye Green Food Co ltd
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Jiangxi Woye Green Food Co ltd
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Priority to CN201911247096.0A priority Critical patent/CN111017339B/en
Publication of CN111017339A publication Critical patent/CN111017339A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10Applying or generating heat or pressure or combinations thereof
    • B65B51/14Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146Closing bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/24Cleaning of, or removing dust from, containers, wrappers, or packaging ; Preventing of fouling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/10Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using heated wires or cutters

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Vacuum Packaging (AREA)

Abstract

The invention discloses a full-automatic vacuum sealing device for food packaging, which comprises a placing platform, wherein one side of the upper surface of the placing platform is provided with a clamping assembly, a bracket is fixedly arranged above the clamping assembly, a sealing cutter is arranged below the bracket, the top of the sealing cutter is symmetrically connected with a first air cylinder, two groups of cleaning assemblies are symmetrically arranged at two sides of the sealing cutter, a hot melting device is fixedly arranged at one side of the sealing cutter on the upper surface of the placing platform, the clamping assembly comprises a bracket, a second air cylinder is fixedly arranged at the bottom of the bracket, two groups of pressing blocks are symmetrically arranged at the bottom of the bracket, two groups of jacking blocks are symmetrically arranged at the lower surface of the placing platform, the pressing blocks are in clearance fit with the jacking blocks, a third air cylinder is fixedly arranged at one side of the jacking blocks, the cleaning assemblies comprise a hanging plate, and two groups of fourth air cylinders are symmetrically arranged at the, need not artifical handheld seal, avoid taking place the potential safety hazard.

Description

Full-automatic vacuum sealing device for food packaging
Technical Field
The invention belongs to the technical field of food packaging, and particularly relates to a full-automatic vacuum sealing device for food packaging.
Background
The vacuum sealing machine can seal materials such as packaging bags after vacuumizing and cut off by a cutter, and is widely applied to the field of packaging of foods or other living goods. The vacuum sealing machine is used for filling food into a packaging bag, extracting air in the packaging bag, completing a sealing process after reaching a preset vacuum degree, removing partial air in a packaging container, effectively preventing food from being rotten, generally needing to manually seal in the production and processing of pot-stewed food such as bundled trotters and products such as chicken cakes, green bean cakes, coarse cereals and the like, having certain danger and easily harming human health.
When the existing vacuum sealing machine seals a packaging bag with liquid in the packaging, the cutter is easy to be stained with the liquid, and the existing cutter is generally in a flat blade shape, so that the cutter cannot be automatically cleaned in the sealing process, only manual cleaning is needed, time and labor are wasted, and the cutter is not cleaned completely and is easy to corrode to influence the cutting process.
Therefore, the full-automatic vacuum sealing device for food packaging is provided for solving the problems in the prior art, a group of symmetrical clamping assemblies is arranged on a packaging bag placing platform, the packaging bag is tensioned and leveled by the clamping assemblies, manual sealing by hands is not needed, and potential safety hazards are avoided; set up clean subassembly in sealing sword both sides to set up elevating gear at clean subassembly top, normally carry out the vacuum seal during operation, clean subassembly is packed up, cuts to seal the back and cleans the cutter automatically, uses manpower sparingly, guarantees that the cutter is clean, ensures the cutting quality.
Disclosure of Invention
The invention aims to provide a full-automatic vacuum sealing device for food packaging, which aims to solve the problems in the prior art in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: a full-automatic vacuum sealing device for food packaging comprises a placing platform, wherein a clamping assembly is arranged on one side of the upper surface of the placing platform, a support is fixedly mounted above the clamping assembly, a sealing cutter is arranged below the support, a first air cylinder is symmetrically connected to the top of the sealing cutter, two groups of cleaning assemblies are symmetrically arranged on two sides of the sealing cutter, and a hot melting device is fixedly mounted on one side, located on the upper surface of the placing platform, of the sealing cutter;
the clamping assembly comprises a towing bracket, a second air cylinder is fixedly installed at the bottom of the towing bracket, two groups of pressing blocks are symmetrically arranged at the bottom of the towing bracket, two groups of ejector blocks are symmetrically arranged on the upper surface of the placing platform below the towing bracket, the pressing blocks are in clearance fit with the ejector blocks, and a third air cylinder is fixedly installed on one side of each ejector block;
the cleaning assembly comprises a hanging plate, two groups of fourth cylinders are symmetrically arranged on the lower surface of the hanging plate and are connected to the lower surface of the hanging plate in a sliding mode, a connecting plate is fixedly mounted at the output shaft end of each fourth cylinder, a cleaning cloth strip is arranged on one side of the connecting plate, and a lifting assembly is arranged between the top of the hanging plate and the support.
Preferably, the top of the pressing block is fixedly provided with a sliding block, and the sliding block is clamped in the towing bracket in a sliding manner.
Preferably, the ejector block is slidably mounted in the placing platform, a T-shaped block is fixedly mounted at the bottom of the ejector block, a T-shaped groove is formed in the placing platform, and the T-shaped block is in clearance fit with the T-shaped groove.
Preferably, a spring is fixedly installed on one side of the top block and is fixedly installed on the upper surface of the placing platform through a baffle.
Preferably, a first electric sliding table is fixedly mounted on the lower surface of the hanging plate, a vertical plate is fixedly mounted below the first electric sliding table, a cushion block is fixedly mounted on one side of the vertical plate, and a fourth cylinder is fixedly mounted on one side of the cushion block.
Preferably, two groups of through grooves are formed in the hanging plate, and the sealing cutters are arranged in the through grooves in a penetrating mode.
Preferably, a magic tape is arranged between the connecting plate and the cleaning cloth strip, a hook surface of the magic tape is fixedly installed on one side of the connecting plate, and a hair surface of the magic tape is fixedly installed on one side of the cleaning cloth strip.
Preferably, the hot melting device comprises an electric heating plate, a cross beam is fixedly mounted at the top of the heating plate, and two ends of the cross beam are connected inside the support through a second electric sliding table in a sliding mode.
Preferably, the lifting assembly comprises a motor, two sets of screw rods are symmetrically installed on the hanging plate, two sets of screw sleeves are installed in the support in a rotating mode, the screw sleeves are in threaded connection with the screw rods, first belt wheels are fixedly installed on the surfaces of the screw sleeves, two sets of second belt wheels are fixedly installed on the output shaft end of the motor, and the two sets of second belt wheels are in transmission connection with the two sets of first belt wheels respectively.
The invention has the technical effects and advantages that: compared with the prior art, the full-automatic vacuum sealing device for food packaging provided by the invention has the following advantages:
1. a group of symmetrical clamping assemblies are arranged on the packaging bag placing platform, and the packaging bag is tensioned by the clamping assemblies to be flat, so that manual sealing is not needed, and potential safety hazards are avoided;
2. set up clean subassembly in sealing sword both sides to set up elevating gear at clean subassembly top, normally carry out the vacuum seal during operation, clean subassembly is packed up, cuts to seal the back and cleans the cutter automatically, uses manpower sparingly, guarantees that the cutter is clean, ensures the cutting quality.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the transmission of the present invention;
FIG. 4 is a perspective view of the clamping assembly of the present invention;
FIG. 5 is a perspective view of the lift assembly of the present invention;
fig. 6 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. placing a platform; 2. a clamping assembly; 201. a towing bracket; 202. a second cylinder; 203. briquetting; 204. a top block; 205. a third cylinder; 206. a T-shaped block; 207. a T-shaped groove; 208. a spring; 209. a baffle plate; 210. a slider; 3. a support; 4. a sealing cutter; 5. a first cylinder; 6. a cleaning assembly; 601. a hanger plate; 602. a fourth cylinder; 603. a connecting plate; 604. cleaning the cloth strips; 605. a first electric sliding table; 606. a vertical plate; 607. cushion blocks; 608. a through groove; 7. a hot melting device; 701. an electrical heating plate; 702. a cross beam; 703. a second electric sliding table; 8. a lifting assembly; 801. a motor; 802. a screw rod; 803. a threaded sleeve; 804. a first pulley; 805. a second pulley; 9. magic tape.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a full-automatic vacuum sealing device for food packaging, which comprises a placing platform 1, wherein a clamping assembly 2 is arranged on one side of the upper surface of the placing platform 1, a support 3 is fixedly arranged above the clamping assembly 2, a sealing cutter 4 is arranged below the support 3, one side of a guarantee bag is subjected to edge cutting by using the sealing cutter 4, burrs of an original packaging bag are cut off, and the appearance quality of the packaging bag is guaranteed; seal 4 top symmetric connections of cutter and have first cylinder 5, seal 4 bilateral symmetry of cutter and be provided with two sets of clean subassemblies 6, 1 upper surface of place the platform is located and seals 4 one side fixed mounting of cutter and have hot melt device 7, hot melt device 7 includes electric heating board 701, electric heating board 701 top fixed mounting has crossbeam 702, crossbeam 702 both ends all through the electronic slip table 703 sliding connection of second inside support 3, utilize the electronic slip table 703 of second to drive electric heating board 701 and push down and carry out the hot melt and seal.
Referring to fig. 1 and 4, the clamping assembly 2 includes a bracket 201, a second cylinder 202 is fixedly installed at the bottom of the bracket 201, two sets of pressing blocks 203 are symmetrically arranged at the bottom of the bracket 201, two sets of jacking blocks 204 are symmetrically arranged on the upper surface of the placing platform 1 below the bracket 201, the pressing blocks 203 and the jacking blocks 204 are in clearance fit, a groove is arranged at the bottom of the pressing block 203, a protrusion is arranged at the top of the jacking block 204, and the groove and the protrusion are matched to clamp two sides of the packaging bag; a third air cylinder 205 is fixedly installed on one side of the top block 204, a sliding block 210 is fixedly installed on the top of the pressing block 203, the sliding block 210 is slidably clamped in the towing bracket 201, the top block 204 is slidably installed in the placing platform 1, a T-shaped block 206 is fixedly installed at the bottom of the top block 204, a T-shaped groove 207 is formed in the placing platform 1, the T-shaped block 206 is in clearance fit with the T-shaped groove 207, a spring 208 is fixedly installed on one side of the top block 204, the spring 208 is fixedly installed on the upper surface of the placing platform 1 through a baffle 209, the spring 208 is arranged, buffer connection of the structure of the top block 204 is guaranteed, and;
referring to fig. 1, 2 and 6, the cleaning assembly 6 includes a hanging plate 601, two sets of fourth cylinders 602 are symmetrically disposed on the lower surface of the hanging plate 601, the fourth cylinders 602 are slidably connected to the lower surface of the hanging plate 601, a connecting plate 603 is fixedly mounted at an output shaft end of the fourth cylinders 602, a cleaning cloth strip 604 is disposed at one side of the connecting plate 603, a first electric sliding table 605 is fixedly mounted on the lower surface of the hanging plate 601, a vertical plate 606 is fixedly mounted below the first electric sliding table 605, a cushion block 607 is fixedly mounted at one side of the vertical plate 606, and the cushion block 607 is utilized to ensure that the cleaning cloth strip 604 and the cutting edge of the sealing cutter 4 maintain the same cutting angle, so that the attachment is; fourth cylinder 602 fixed mounting has two sets of logical grooves 608 in the hanger plate 601 in cushion 607 one side, seals cutter 4 and runs through and install in logical groove 608, is provided with magic subsides 9 between connecting plate 603 and the cleaning cloth 604, and hook face fixed mounting that magic subsides 9 is in connecting plate 603 one side, and the matte face fixed mounting that magic subsides 9 is in cleaning cloth 604 one side.
Referring to fig. 2 and 5, a lifting assembly 8 is disposed between the top of the hanging plate 601 and the bracket 3, the lifting assembly 8 includes a motor 801, two sets of screws 802 are symmetrically installed on the hanging plate 601, two sets of screw sleeves 803 are rotatably installed in the bracket 3, the screw sleeves 803 are in threaded connection with the screws 802, first pulleys 804 are fixedly installed on the surfaces of the screw sleeves 803, two sets of second pulleys 805 are fixedly installed at output shafts of the motor 801, the two sets of second pulleys 805 are respectively in transmission connection with the two sets of first pulleys 804, and the motor 801 drives the two sets of screws 802 to rotate at the same time, so that the hanging plate 601 is driven to ascend or descend, and the structural stability is.
The structure principle is as follows: a group of symmetrical clamping assemblies 2 are arranged on a packaging bag placing platform 1, a guarantee bag filled with food is placed on the placing platform 1, two ends of the guarantee bag are placed in a pressing block 203 and a top block 204, the guarantee bag is clamped by using a bulge and a groove of the guarantee bag, the top block 204 is pushed by using a third air cylinder 205, the clamped packaging bag is pulled in opposite directions, the packaging bag is flattened, manual sealing is not needed, and potential safety hazards are avoided;
set up clean subassembly 6 sealing cutter 4 both sides, and set up lifting unit 8 at clean subassembly 6 top, during the use, lift clean subassembly 6, make it not influence normal vacuum seal work, after sealing cutter 4 and using, starting motor 801, the transmission through first band pulley 804 and second band pulley 805 is connected, drive clean subassembly 6 and descend to sealing cutter 4 both sides, start fourth cylinder 602, make two sets of clean cloth strips 604 laminate in sealing cutter 4 surface after, start first electronic slip table 605, it is automatic to seal cutter 4 and clean to drive clean cloth strip 604, the manpower is saved, guarantee that the cutter is clean, ensure cutting quality.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (1)

1. The utility model provides a food package uses full-automatic vacuum closing device, includes place platform (1), its characterized in that: a clamping assembly (2) is arranged on one side of the upper surface of the placing platform (1), a support (3) is fixedly mounted above the clamping assembly (2), a sealing cutter (4) is arranged below the support (3), the top of the sealing cutter (4) is symmetrically connected with a first air cylinder (5), two groups of cleaning assemblies (6) are symmetrically arranged on two sides of the sealing cutter (4), and a hot melting device (7) is fixedly mounted on one side, located on the sealing cutter (4), of the upper surface of the placing platform (1);
the clamping assembly (2) comprises a bracket (201), a second air cylinder (202) is fixedly mounted at the bottom of the bracket (201), two groups of pressing blocks (203) are symmetrically arranged at the bottom of the bracket (201), two groups of jacking blocks (204) are symmetrically arranged on the upper surface of the placing platform (1) below the bracket (201), the pressing blocks (203) are in clearance fit with the jacking blocks (204), and a third air cylinder (205) is fixedly mounted on one side of the jacking blocks (204);
the cleaning assembly (6) comprises a hanging plate (601), two groups of fourth cylinders (602) are symmetrically arranged on the lower surface of the hanging plate (601), the fourth cylinders (602) are connected to the lower surface of the hanging plate (601) in a sliding manner, a connecting plate (603) is fixedly installed at the output shaft end of each fourth cylinder (602), a cleaning cloth strip (604) is arranged on one side of the connecting plate (603), and a lifting assembly (8) is arranged between the top of the hanging plate (601) and the support (3);
the top of the pressing block (203) is fixedly provided with a sliding block (210), and the sliding block (210) is clamped in the bracket (201) in a sliding manner;
the top block (204) is slidably mounted in the placing platform (1), a T-shaped block (206) is fixedly mounted at the bottom of the top block (204), a T-shaped groove (207) is formed in the placing platform (1), and the T-shaped block (206) is in clearance fit with the T-shaped groove (207);
a spring (208) is fixedly installed on one side of the top block (204), and the spring (208) is fixedly installed on the upper surface of the placing platform (1) through a baffle plate (209);
a first electric sliding table (605) is fixedly mounted on the lower surface of the hanging plate (601), a vertical plate (606) is fixedly mounted below the first electric sliding table (605), a cushion block (607) is fixedly mounted on one side of the vertical plate (606), and a fourth cylinder (602) is fixedly mounted on one side of the cushion block (607);
two groups of through grooves (608) are formed in the hanging plate (601), and the sealing cutter (4) is installed in the through grooves (608) in a penetrating mode;
a magic tape (9) is arranged between the connecting plate (603) and the cleaning cloth strip (604), the hook surface of the magic tape (9) is fixedly arranged on one side of the connecting plate (603), and the hair surface of the magic tape (9) is fixedly arranged on one side of the cleaning cloth strip (604);
the hot melting device (7) comprises an electric heating plate (701), a cross beam (702) is fixedly installed at the top of the electric heating plate (701), and two ends of the cross beam (702) are connected to the inside of the support (3) in a sliding mode through a second electric sliding table (703);
the lifting assembly (8) comprises a motor (801), two groups of screw rods (802) are symmetrically installed on the hanging plate (601), two groups of screw sleeves (803) are rotatably installed in the support (3), the screw sleeves (803) are in threaded connection with the screw rods (802), first belt wheels (804) are fixedly installed on the surfaces of the screw sleeves (803), two groups of second belt wheels (805) are fixedly installed at the output shaft end of the motor (801), and the two groups of second belt wheels (805) are in transmission connection with the two groups of first belt wheels (804) respectively;
a group of symmetrical clamping assemblies (2) are arranged on a packaging bag placing platform (1), a packaging bag filled with food is placed on the placing platform (1), two ends of the packaging bag are placed in a pressing block (203) and a top block (204), the packaging bag is clamped by utilizing a bulge and a groove of the packaging bag, the top block (204) is pushed by utilizing a third air cylinder (205), the clamped packaging bag is pulled in the opposite direction to be flattened, manual sealing is not needed, and potential safety hazards are avoided;
set up clean subassembly (6) sealing cutter (4) both sides, and set up lifting unit (8) at clean subassembly (6) top, during the use, lift up clean subassembly (6), make it not influence normal vacuum and seal work, after sealing cutter (4) and using, starter motor (801), the transmission through first band pulley (804) and second band pulley (805) is connected, it descends to sealing cutter (4) both sides to drive clean subassembly (6), start fourth cylinder (602), make two sets of clean cloth (604) laminate in sealing cutter (4) surface after, start first electronic slip table (605), it is automatic to seal cutter (4) and clean to drive clean cloth (604).
CN201911247096.0A 2019-12-09 2019-12-09 Full-automatic vacuum sealing device for food packaging Active CN111017339B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911247096.0A CN111017339B (en) 2019-12-09 2019-12-09 Full-automatic vacuum sealing device for food packaging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911247096.0A CN111017339B (en) 2019-12-09 2019-12-09 Full-automatic vacuum sealing device for food packaging

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CN111017339A CN111017339A (en) 2020-04-17
CN111017339B true CN111017339B (en) 2021-04-09

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CN113942701B (en) * 2021-10-22 2023-02-17 淮南市金德实业有限公司 Automatic cutting machine for anchoring agent production line
CN117086008B (en) * 2023-10-16 2024-01-16 烟台大学 Cleaning assembly and cleaning method for processing equipment for oyster peptide processing

Citations (9)

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Publication number Priority date Publication date Assignee Title
EP0061185A2 (en) * 1981-03-25 1982-09-29 Hardigg Industries, Incorporated Apparatus for trimming and sizing plastic blanks for containers
CN101510502A (en) * 2008-02-15 2009-08-19 日东电工株式会社 Cutter blade cleaning method and cutter blade cleaning device, as well as adhesive tape joining apparatus including the same
CN206125599U (en) * 2016-08-18 2017-04-26 王军辉 Closing device 2
CN206187463U (en) * 2016-11-08 2017-05-24 温州瑞达机械有限公司 A bag mechanism is drawn in grabbing of food packaging machinery
CN206605562U (en) * 2017-02-10 2017-11-03 珠海福冈电子科技有限公司 A kind of dise knife cutting machine
CN207157671U (en) * 2017-08-11 2018-03-30 江苏天元中科生物技术有限公司 A kind of food packaging closing device
CN207275125U (en) * 2017-09-08 2018-04-27 深圳市普特生物医学工程有限公司 Packaging bag heat sealing device
CN207448628U (en) * 2017-09-27 2018-06-05 上海宝士嘉印刷器材有限公司 A kind of paper cutter of automatic cleaning blade
CN207641900U (en) * 2017-11-21 2018-07-24 深圳市赢合科技股份有限公司 A kind of wiping knife dedusting structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0061185A2 (en) * 1981-03-25 1982-09-29 Hardigg Industries, Incorporated Apparatus for trimming and sizing plastic blanks for containers
CN101510502A (en) * 2008-02-15 2009-08-19 日东电工株式会社 Cutter blade cleaning method and cutter blade cleaning device, as well as adhesive tape joining apparatus including the same
CN206125599U (en) * 2016-08-18 2017-04-26 王军辉 Closing device 2
CN206187463U (en) * 2016-11-08 2017-05-24 温州瑞达机械有限公司 A bag mechanism is drawn in grabbing of food packaging machinery
CN206605562U (en) * 2017-02-10 2017-11-03 珠海福冈电子科技有限公司 A kind of dise knife cutting machine
CN207157671U (en) * 2017-08-11 2018-03-30 江苏天元中科生物技术有限公司 A kind of food packaging closing device
CN207275125U (en) * 2017-09-08 2018-04-27 深圳市普特生物医学工程有限公司 Packaging bag heat sealing device
CN207448628U (en) * 2017-09-27 2018-06-05 上海宝士嘉印刷器材有限公司 A kind of paper cutter of automatic cleaning blade
CN207641900U (en) * 2017-11-21 2018-07-24 深圳市赢合科技股份有限公司 A kind of wiping knife dedusting structure

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