CN110757836B - Portable constant-pressure glue spreading device - Google Patents
Portable constant-pressure glue spreading device Download PDFInfo
- Publication number
- CN110757836B CN110757836B CN201911089455.4A CN201911089455A CN110757836B CN 110757836 B CN110757836 B CN 110757836B CN 201911089455 A CN201911089455 A CN 201911089455A CN 110757836 B CN110757836 B CN 110757836B
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- Prior art keywords
- cutter
- supporting frame
- glue spreading
- pressing plate
- roller
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Links
- 238000003892 spreading Methods 0.000 title claims abstract description 71
- 230000007480 spreading Effects 0.000 title claims abstract description 71
- 239000003292 glue Substances 0.000 title claims abstract description 65
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 239000012945 sealing adhesive Substances 0.000 claims description 30
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 239000000565 sealant Substances 0.000 abstract description 14
- 239000000123 paper Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
- B29C70/388—Tape placement heads, e.g. component parts, details or accessories
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tape Dispensing Devices (AREA)
Abstract
A portable constant-pressure glue spreading device comprises a case, a discharging mechanism and a spreading and pressing mechanism; the spreading mechanism comprises a roller, a roller rotating shaft, a first supporting frame, a pressure control spring, a second supporting frame and a fixing rod, wherein the pressure control spring is sleeved in the first supporting frame, the roller is connected below the first supporting frame through the roller rotating shaft, one end of the second supporting frame is fixed on the box body, the other end of the second supporting frame is sleeved outside the first supporting frame, the first supporting frame can only move up and down, one end of the fixing rod is fixed on the box body, the other end of the fixing rod is inserted into the first supporting frame from the upper side and is propped against the top of the pressure control spring to be connected with the top of the pressure control spring, a hole through which the roller can pass is formed in a bottom plate of the box body, and at least one part of the roller is positioned below the bottom plate of the box body when the pressure control spring is not stressed. The invention not only can improve the working efficiency of glue spreading and reduce the labor intensity, but also can ensure the quality of glue tape spreading and reduce the bubbles existing between the sealant and the die as much as possible.
Description
Technical Field
The invention belongs to the technical field of aviation manufacturing, and particularly relates to a portable constant-pressure glue spreading device.
Background
The creep aging forming technology is a method for synchronously carrying out heat treatment strengthening and processing forming by utilizing the creep characteristic of metal, and can simultaneously meet the shape manufacturing requirement when large-scale skin and wall plate parts are produced. In the creep aging forming process, firstly the workpiece is heated to a set aging temperature, then the workpiece is pressurized by a vacuum bag technology to be attached to a die, and the position of the workpiece is controlled to be unchanged within a certain time range. The vacuum bag technology requires that the component and the mold surface are placed in a complete vacuum environment, and the prior art adopts sealant to bond the mold edge of the prefabricated part to be molded with the edge of the vacuum bag so as to construct the vacuum environment. Engineering practice shows that: the labor intensity is high, the efficiency is low, and the consistency and the work integrity of the adhesive spreading can not be ensured by adopting the pure manual adhesive spreading.
At present, the frock that is used for gluey double-sided sealant on creep age forming field was not retrieved in the current patent, and chinese patent publication No. CN206591412 discloses a warning tape sticking device, including push rod, roller wheel, feed wheel, mount, receipts material spool, warning tape roll, separate paper tape and sticky tape during the use, smoothly paste the sticky tape open end on ground, twine paper tape open end behind receipts material spool, push rod straight ahead by one hand, hand receive material spool and roll up the glassine paper tape that separates, the sticky tape is glued on ground by the flat and neatly pressure of roller wheel, have more superior convenient to use.
However, the vacuum bag technology requires that the mold is glued with the edge of the vacuum bag by using sealant to construct a vacuum environment, and has high requirements on sealing performance. When the device is used for paving the sealant, the size of the sealant pressure cannot be guaranteed, air holes are easy to exist between the sealant and the die, and the regularity and uniformity of paving the adhesive tape cannot be guaranteed.
Therefore, a new portable constant-pressure glue spreading device needs to be designed.
Disclosure of Invention
The invention aims to provide a portable constant-pressure glue spreading device, which aims to solve the problems that the labor intensity is high, the efficiency is low, and the consistency and the work integrity of glue spreading cannot be ensured when the sealant is spread by adopting pure manual glue spreading in the background technology.
In order to achieve the above purpose, the invention provides a portable constant-pressure glue spreading device, which comprises a case, a discharging mechanism and a spreading mechanism, wherein the case comprises a case body with a flat plate at the bottom, the discharging mechanism comprises a discharging disc for pre-assembling a sealing adhesive tape in a coiled arrangement, and further comprises a fastener for fixedly connecting the discharging disc on the case body; the laying mechanism comprises a roller, a roller rotating shaft, a first support frame, a pressure control spring, a second support frame and a fixed rod, wherein the first support frame is hollow sleeve-shaped, the pressure control spring is sleeved in the first support frame, a bearing structure for limiting the pressure control spring to fall down and partially or completely fall out of the first support frame is arranged in the first support frame, the roller is connected below the first support frame through the roller rotating shaft, one end of the second support frame is fixed on the box body, the other end of the second support frame is sleeved outside the first support frame so that the first support frame can only move up and down, one end of the fixed rod is fixed on the box body or a cover plate matched with the box body, the other end of the fixed rod is inserted into the first support frame from the upper side and is propped against and connected with the top of the pressure control spring, a hole through which the roller can pass is formed in the bottom plate of the box body, and when the pressure control spring is not subjected to any external vertical pressure, the roller is at least partially positioned below the bottom plate of the box body; when the pressure control spring is subjected to external vertical pressure, namely the roller wheel upwards compresses the spring, the bottom surface of the roller wheel is level with the bottom surface of the box body, and therefore the glue spreading device can keep constant pressure glue spreading; the sealing adhesive tape comprises sealing adhesive and lining paper which are matched and attached, and after the sealing adhesive tape comes out of the preassembled discharging disc, the sealing adhesive tape is pressed below the roller, and the sealing adhesive can be automatically released by pushing the adhesive spreading device forwards.
In a specific embodiment, the constant-pressure glue spreading device further comprises a cutting mechanism, the cutting mechanism comprises a cutter, a sliding sleeve, a cutter return spring, a stop block, a steel wire rope, a pressing plate, a button and a pressing plate return spring, the sliding sleeve and the stop block are fixed on the inner side of the box body, the cutter is movably arranged in the sliding sleeve, the cutter tip end of the cutter faces the stop block, the cutter tail end of the cutter is far away from the stop block, the cutter return spring is sleeved on the cutter, the two ends of the cutter return spring respectively prop against the cutter tail and the sliding sleeve, and the sealing adhesive tape is arranged to penetrate between the cutter tip and the stop block; the two ends of the pressing plate are respectively a fixed end and a movable end, the fixed end is connected to the box body through a rotating shaft, the movable end is connected with the cutter tail of the cutter through a steel wire rope, the button and the pressing plate return spring are arranged between the fixed end and the movable end and respectively and correspondingly arranged on two opposite faces of the pressing plate, the button is arranged on the face, close to the cutter, of the pressing plate, the pressing plate return spring is arranged on the face, far away from the cutter, of the pressing plate, and the two ends of the pressing plate return spring respectively prop against the pressing plate and the inner wall of the box body; pressing the button then drives the clamp plate to pull the wire rope to make the cutter move along the sliding sleeve to the stop block until the cutter point props against the stop block to shear the sealing adhesive tape, loosening the button then the clamp plate is restored under the action of the clamp plate return spring, the wire rope is also loosened, and the cutter is restored under the action of the cutter return spring.
In a specific embodiment, the box body is further provided with a push rod which is convenient to hold, the push rod is provided with a horizontal cylindrical barrel, namely an armrest, and the pressing plate, the button and the pressing plate return spring are all arranged in the armrest of the push rod.
In a specific embodiment, the push rod is further provided with a push rod cap for covering the hole sites at the two ends of the push rod handrail.
In a specific embodiment, the constant-pressure glue spreading device further comprises a material receiving mechanism, the material receiving mechanism comprises a rocking handle and a bearing, a rotating shaft of the rocking handle is arranged on the bearing, the bearing is arranged on the box body or the cover plate, and a lining paper roll produced after glue spreading is arranged on the rotating shaft by rocking the rocking handle.
In a specific embodiment, the receiving mechanism further comprises an end cover for preventing the backing paper from loosening, and the end cover is connected to the box body.
In a specific embodiment, the upper end of the first supporting frame is further provided with a clamping piece for preventing the first supporting frame from falling out of the second supporting frame.
In a specific embodiment, the fastener includes a fastening bolt and a fastening nut.
In a specific embodiment, the case further comprises a ball mounted on the bottom.
In a specific embodiment, the outer side of the box body is provided with a concave groove, the discharging disc is arranged on the concave groove, and the side surface of the concave groove is provided with a through hole for the sealing adhesive tape coming out of the discharging disc to enter the inner side of the box body.
Compared with the prior art, the invention has the following beneficial effects:
the invention not only can improve the working efficiency of glue spreading and reduce the labor intensity, but also can ensure the quality of glue tape spreading and reduce the bubbles existing between the sealant and the die as much as possible.
The cutting mechanism designed by the invention is convenient for cutting off the sealing glue in a flush way, and the glue spreading quality can be better ensured by the clean section of the sealing glue.
The push rod is designed to be more convenient and stressed when the glue spreading device is pushed to advance.
The receiving mechanism designed by the invention can conveniently recycle redundant lining paper after glue spreading, and is convenient for maintaining the clean and tidy working environment of glue spreading.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is an exploded schematic view of one embodiment of the present invention;
Wherein, 1, a case; 2. a discharging mechanism; 3. a paving and pressing mechanism; 4. sealing tape; 5. a cutting mechanism; 6. a material receiving mechanism; 11. a box body, 12 and a cover plate; 13. a push rod; 14. a push rod cap; 21. a discharging disc; 22. a fastening bolt; 23. a fastening nut; 31. a roller; 32. a roller rotating shaft; 33. a first support frame; 34. a pressure control spring; 35. a second support frame; 36. a fixed rod; 41. sealing glue; 42. lining paper; 51. a cutter; 52. a sliding sleeve; 53. a cutter return spring; 54. a stop block; 55. a wire rope; 56. a pressing plate; 57. a button; 58. a platen return spring; 61. a rocking handle; 62. a bearing; 63. an end cap.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Example 1
The invention provides a portable constant-pressure glue spreading device, which comprises a case 1, a discharging mechanism 2 and a spreading mechanism 3, wherein the case 1 comprises a case body 11 with a flat plate at the bottom, the discharging mechanism 2 comprises a discharging disc 21 for pre-assembling a sealing adhesive tape 4 in a coiled arrangement, and further comprises a fastener for fixedly connecting the discharging disc 21 on the case body 11; the spreading mechanism 3 comprises a roller 31, a roller wheel shaft 32, a first support frame 33, a pressure control spring 34, a second support frame 35 and a fixed rod 36, wherein the first support frame 33 is hollow and sleeve-shaped, the pressure control spring 34 is sleeved in the first support frame 33, a receiving structure for limiting the pressure control spring 34 to fall down and partially or completely fall out of the first support frame 33 is arranged in the first support frame 33, the roller 31 is connected below the first support frame 33 through the roller wheel shaft 32, one end of the second support frame 35 is fixed on the box 11, the other end of the second support frame 35 is sleeved outside the first support frame 33 so that the first support frame 33 can only move up and down, one end of the fixed rod 36 is fixed on the box 11 or on a cover plate 12 matched with the box 11, the other end of the fixed rod 36 is inserted into the first support frame 33 from above and is connected with the top of the pressure control spring 34, a hole through which the roller 31 can pass is arranged on the bottom plate of the box 11, and at least one part of the bottom plate 31 is not pressed by the roller 31 when the pressure control spring is not pressed down; when the pressure control spring 34 is subjected to external vertical pressure, namely the roller 31 compresses the spring upwards, the bottom surface of the roller is level with the bottom surface of the box body, and therefore the glue spreading device can keep constant pressure glue spreading; the sealing adhesive tape 4 comprises sealing adhesive 41 and lining paper 42 which are matched and attached, after the sealing adhesive tape 4 comes out of the preassembled discharging tray 21, the sealing adhesive tape 4 is pressed under the roller 31, and the sealing adhesive can be automatically released by pushing the adhesive spreading device forwards. The two sides of the sealant are both sticky, the lower surface of the sealant is tightly attached to the die, the upper surface of the lining paper is tightly pressed by the roller, and the other surface of the sealant, namely the upper surface of the sealant and the other surface of the lining paper, namely the lower surface of the lining paper are adhered together.
The invention not only can improve the working efficiency of glue spreading and reduce the labor intensity, but also can ensure the quality of glue tape spreading and reduce the bubbles existing between the sealant and the die as much as possible. When the glue is spread, the bottom plate of the box 11 is pressed on the mould needing glue spreading by the force of pushing the glue spreading, so that the pressure control spring 34 generates a certain amount of deformation, and the deformation of the roller 31 shrinking into the box is fixed, so that the deformation generated by the pressure control spring 34 is also fixed, the glue spreading pressure generated by the pressure control spring 34 is also fixed, and finally the purpose of constant pressure glue spreading is achieved. The cover plate 12 can play a good role in dust prevention.
In a specific embodiment, the constant-pressure glue spreading device further comprises a cutting mechanism 5, the cutting mechanism 5 comprises a cutter 51, a sliding sleeve 52, a cutter return spring 53, a stop block 54, a steel wire rope 55, a pressing plate 56, a button 57 and a pressing plate return spring 58, the sliding sleeve 52 and the stop block 54 are fixed on the inner side of the box 11, the cutter 51 is movably arranged in the sliding sleeve 52, the cutter tip end of the cutter 51 faces the stop block 54, the cutter tail end of the cutter 51 is far away from the stop block 54, the cutter return spring 53 is sleeved on the cutter 51, the two ends of the cutter return spring respectively abut against the cutter tail and the sliding sleeve 52, and the sealing tape 4 is arranged to pass through between the cutter tip and the stop block 54; the two ends of the pressing plate 56 are respectively a fixed end and a movable end, the fixed end is connected to the box 11 through a rotating shaft, the movable end is connected with the cutter tail of the cutter 51 through a steel wire rope 55, the button 57 and the pressing plate return spring 58 are arranged between the fixed end and the movable end and respectively and correspondingly arranged on two opposite surfaces of the pressing plate 56, the button 57 is arranged on the surface of the pressing plate 56 close to the cutter 51, the pressing plate return spring 58 is arranged on the surface of the pressing plate 56 far away from the cutter 51, and the two ends of the pressing plate return spring 58 respectively prop against the pressing plate 56 and the inner wall of the box 11; pressing the button 57 drives the pressing plate 56 to pull the wire rope 55 to move the cutter 51 along the sliding sleeve 52 towards the stop block 54 until the cutter tip abuts against the stop block 16 to shear the sealing adhesive tape 4, releasing the button 57 allows the pressing plate 56 to recover under the action of the pressing plate return spring 58, and the wire rope also releases, while the cutter 51 recovers under the action of the cutter return spring 53. The cutting mechanism designed by the invention is convenient for cutting off the sealing glue in a flush way, and the glue spreading quality can be better ensured by the clean section of the sealing glue.
In a specific embodiment, the box 11 is further provided with a push rod 13 that is convenient to hold, the push rod 13 is provided with a horizontal cylindrical barrel, i.e. an armrest, and the pressing plate 56, the button 57 and the pressing plate return spring 58 are all arranged in the armrest of the push rod 13. The push rod is designed to be more convenient and stressed when the glue spreading device is pushed to advance.
In a specific embodiment, the push rod 13 is further provided with a push rod cap 14 for covering the holes at two ends of the push rod handrail. The push rod cap is designed to make the glue spreading device overall attractive, and simultaneously, the hand injury caused by the fact that the hole sites at the two ends of the handrail are too sharp is prevented.
In a specific embodiment, the constant-pressure glue spreading device further comprises a material receiving mechanism 6, the material receiving mechanism 6 comprises a rocking handle 61 and a bearing 62, a rotating shaft of the rocking handle 61 is mounted on the bearing 62, the bearing 62 is mounted on the box 11 or the cover plate 12, and the lining paper 42 produced after glue spreading is rolled on the rotating shaft by rocking the rocking handle 61. The receiving mechanism designed by the invention can conveniently recycle redundant lining paper after glue spreading, and is convenient for maintaining the clean and tidy working environment of glue spreading.
In a specific embodiment, the receiving mechanism 6 further includes an end cover 63 for preventing the liner paper from loosening, and the end cover 63 is connected to the case 11. The end cover is designed to enable the recovered lining paper to be stored neatly.
In a specific embodiment, a clip for preventing the first support 33 from falling out of the second support 35 is further provided at the upper end of the first support 33. The clamping piece is used for preventing the first supporting frame from falling off.
In a specific embodiment, the fastener includes a fastening bolt 22 and a fastening nut 23.
In a specific embodiment, the housing 11 further comprises a ball mounted on the bottom. The balls can enable the glue spreading device to move more smoothly. When no ball is arranged, the bottom surface of the box body is the bottom surface of the bottom flat plate. When the balls are arranged, the bottom surface of the box body is the surface where the balls are contacted with the die. The bottom plate of the box body also has the function of flattening the sealing adhesive tape.
In a specific embodiment, a concave groove is formed on the outer side of the box 11, the discharging disc 21 is arranged on the concave groove, and a through hole is formed on the side surface of the concave groove for the sealing adhesive tape 4 coming out of the discharging disc 21 to enter the inner side of the box 11. And the overall layout is more reasonable.
The glue spreading process comprises the following steps:
Step 1, firstly, putting a coiled sealing adhesive tape 4 into a discharge tray 21, and preparing a mould needing to be paved with adhesive;
Step 2, leading out the sealing adhesive tape 4 from the discharging disc 21 and arranging the sealing adhesive tape under the roller wheel 31 according to the advancing direction of the constant-pressure glue spreading device;
Step 3, aligning the starting position of the led sealing adhesive tape 4 with the adhesive spreading starting point on the die needing adhesive spreading;
And 4, applying vertical acting force to the glue spreading mechanism 3, so that the roller 31 moves upwards to compress the pressure control spring 34, the bottom surface of the roller is level with the bottom surface of the box body, and the constant pressure glue spreading device is pushed to spread glue along the position where glue spreading is required.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and is not intended to limit the practice of the invention to such description. It will be apparent to those skilled in the art that several simple deductions and substitutions can be made without departing from the spirit of the invention, and these are considered to be within the scope of the invention.
Claims (8)
1. The portable constant-pressure glue spreading device is characterized by comprising a case (1), a discharging mechanism (2) and a glue spreading mechanism (3), wherein the case (1) comprises a case body (11) with a flat plate at the bottom, the discharging mechanism (2) comprises a discharging disc (21) for pre-assembling a sealing adhesive tape (4) in a coiled arrangement, and further comprises a fastening piece for fixedly connecting the discharging disc (21) on the case body (11); the spreading mechanism (3) comprises a roller (31), a roller rotating shaft (32), a first supporting frame (33), a pressure control spring (34), a second supporting frame (35) and a fixing rod (36), wherein the first supporting frame (33) is hollow and sleeve-shaped, the pressure control spring (34) is sleeved in the first supporting frame (33), a bearing structure for limiting the pressure control spring (34) to fall down and partially or completely fall out of the first supporting frame (33) is arranged in the first supporting frame (33), the roller (31) is connected below the first supporting frame (33) through the roller rotating shaft (32), one end of the second supporting frame (35) is fixed on the box body (11), the other end of the second supporting frame (35) is sleeved outside the first supporting frame (33) so that the first supporting frame (33) can only move up and down, one end of the fixing rod (36) is fixed on the box body (11) or on a cover plate (12) matched with the box body (11), the other end of the fixing rod (36) is inserted from the upper side of the first supporting frame (33) and is not pressed against the top of the box body (11) by the pressure control spring (34), the roller (31) is at least partially positioned below the bottom flat plate of the box body (11); when the pressure control spring (34) receives external vertical pressure, namely the roller (31) compresses the spring upwards, the bottom surface of the roller is level with the bottom surface of the box body, and therefore the constant-pressure glue spreading device can keep constant-pressure glue spreading; the sealing adhesive tape (4) comprises sealing adhesive (41) and lining paper (42) which are matched and attached, after the sealing adhesive tape (4) comes out of the preassembled discharging tray (21), the sealing adhesive tape (4) is pressed below the roller (31), and the sealing adhesive can be automatically released when the constant-pressure adhesive spreading device is pushed forwards;
The constant-pressure glue spreading device further comprises a cutting mechanism (5), the cutting mechanism (5) comprises a cutter (51), a sliding sleeve (52), a cutter return spring (53), a stop block (54), a steel wire rope (55), a pressing plate (56), a button (57) and a pressing plate return spring (58), the sliding sleeve (52) and the stop block (54) are fixed on the inner side of the box body (11), the cutter (51) is movably arranged in the sliding sleeve (52), the cutter tip end of the cutter (51) faces the stop block (54), the cutter tail end of the cutter (51) is far away from the stop block (54), the cutter return spring (53) is sleeved on the cutter (51) and the two ends of the cutter return spring are respectively propped against the cutter tail and the sliding sleeve (52), and the sealing adhesive tape (4) is arranged to penetrate between the cutter tip and the stop block (54); the two ends of the pressing plate (56) are respectively a fixed end and a movable end, the fixed end is connected to the box body (11) through a rotating shaft, the movable end is connected with the cutter tail of the cutter (51) through a steel wire rope (55), the button (57) and the pressing plate return spring (58) are arranged between the fixed end and the movable end and respectively correspond to the two opposite surfaces of the pressing plate (56), the button (57) is arranged on the surface, close to the cutter (51), of the pressing plate (56), the pressing plate return spring (58) is arranged on the surface, far away from the cutter (51), of the pressing plate (56), and the two ends of the pressing plate return spring (58) are respectively propped against the inner walls of the pressing plate (56) and the box body (11); pressing the button (57) drives the pressing plate (56) to pull the steel wire rope (55) to enable the cutter (51) to move towards the stop block (54) along the sliding sleeve (52) until the cutter point props against the stop block (54) to shear the sealing adhesive tape (4), loosening the button (57) enables the pressing plate (56) to recover under the action of the pressing plate return spring (58), loosening the steel wire rope, and enabling the cutter (51) to recover under the action of the cutter return spring (53);
The upper end of the first support frame (33) is also provided with a clamping piece for preventing the first support frame (33) from falling out of the second support frame (35) downwards.
2. Constant pressure glue spreading device according to claim 1, characterized in that the box (11) is further provided with a push rod (13) which is convenient to hold, the push rod (13) is provided with a horizontal cylindrical barrel, namely an armrest, and the pressure plate (56), the button (57) and the pressure plate return spring (58) are all arranged in the armrest of the push rod (13).
3. Constant pressure glue spreading device according to claim 2, characterized in that the push rod (13) is further provided with a push rod cap (14) for covering the holes at both ends of the push rod handrail.
4. Constant pressure glue spreading device according to claim 1, further comprising a receiving mechanism (6), the receiving mechanism (6) comprising a rocking handle (61) and a bearing (62), the rotation shaft of the rocking handle (61) being mounted on the bearing (62), the bearing (62) being mounted on the case (11) or the cover plate (12), the lining paper (42) produced after glue spreading being rolled up on the rotation shaft by rocking the rocking handle (61).
5. Constant pressure glue spreading device according to claim 4, characterized in that the receiving means (6) further comprises an end cap (63) for preventing loosening of the backing paper, said end cap (63) being connected to the casing (11).
6. Constant pressure glue spreading device according to claim 1, characterized in that the fastening means comprise a fastening bolt (22) and a fastening nut (23).
7. Constant pressure glue spreading device according to claim 1, characterized in that the box (11) further comprises balls mounted at the bottom.
8. Constant pressure glue spreading device according to claim 1, characterized in that the outside of the box (11) is provided with a concave groove, the discharge tray (21) is arranged on the concave groove, and the side surface of the concave groove is provided with a through hole for the sealing tape (4) coming out of the discharge tray (21) to enter the inside of the box (11).
Priority Applications (1)
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| CN201911089455.4A CN110757836B (en) | 2019-11-08 | 2019-11-08 | Portable constant-pressure glue spreading device |
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| CN201911089455.4A CN110757836B (en) | 2019-11-08 | 2019-11-08 | Portable constant-pressure glue spreading device |
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| CN110757836A CN110757836A (en) | 2020-02-07 |
| CN110757836B true CN110757836B (en) | 2024-05-17 |
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| CN110757836A (en) | 2020-02-07 |
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