CN112707199A - PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism, stitch welding machine and gasket replacing method - Google Patents
PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism, stitch welding machine and gasket replacing method Download PDFInfo
- Publication number
- CN112707199A CN112707199A CN202011286078.6A CN202011286078A CN112707199A CN 112707199 A CN112707199 A CN 112707199A CN 202011286078 A CN202011286078 A CN 202011286078A CN 112707199 A CN112707199 A CN 112707199A
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- Prior art keywords
- tetrafluoro
- reel
- belt
- welding head
- cloth
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- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 115
- 239000004744 fabric Substances 0.000 title claims abstract description 63
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 57
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 13
- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 68
- 239000000945 filler Substances 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/06—Lateral-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/032—Controlling transverse register of web
- B65H23/038—Controlling transverse register of web by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to a PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism, a stitch welding machine and a gasket replacing method, belongs to the technical field of photovoltaic module production and processing, and solves the problems that PTFE cloth replacement in the prior art needs manual stretching into stitch welding machine equipment, a welding head is detached and replaced, the operation is inconvenient, and potential safety hazards exist. The tetrafluoro cloth filler strip retracting mechanism is characterized in that tetrafluoro belt discs are arranged at two ends of a welding head support; a PTFE tape cloth roll is wound on the PTFE tape reels, one of the two PTFE tape reels is used as a material discharging tape reel, and the other is used as a material collecting tape reel; arranging a guide column in a gap between adjacent welding heads; and the unfolded part of the PTFE tape bypasses the guide column and is attached to the bottom surface of the welding head. When the PTFE tape needs to be replaced, the PTFE tape is replaced outside the equipment by rotating the PTFE tape disc discharging disc to discharge and the material collecting disc to collect the PTFE tape on the welding head.
Description
Technical Field
The invention relates to the technical field of processing and production of optical assemblies, in particular to a PTFE (polytetrafluoroethylene) cloth gasket retracting and releasing mechanism, a stitch welding machine and a gasket replacing method.
Background
With the continuous updating and development of the technology, the photovoltaic module technology is different day by day, the technologies of a multi-grid-line half-chip module, a double-sided double-glass module and the like gradually gain the market approval with excellent conversion efficiency, the half-chip module doubles the number of battery pieces, the time for series welding of batteries is doubled, the difficulty is that a bus bar leading-out wire is led out from the middle of the back of the module, if manual operation is relied on, the risk of battery splitting or hidden cracking at the leading-out wire position is improved, the problem of bus bar welding automation of the prior half-chip module middle leading-out wire model is overcome, and the rapid development of the half-chip module is promoted to a certain extent.
The welding heating mechanism (welding head for short) of the photovoltaic module stitch welding machine can generate tin accumulation after being used for a long time with a contact part of a welding strip, so that a polytetrafluoroethylene adhesive tape (polytetrafluoroethylene adhesive tape) needs to be adhered to the welding head of the current converging strip and is replaced regularly. Therefore, it is desirable to provide a device that can quickly replace tetrafluoro tape instead of manual replacement.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a tetrafluoro cloth gasket retracting mechanism, a stitch welding machine and a gasket replacing method, so as to solve the problems of inconvenient operation and potential safety hazard caused by the fact that replacing tetrafluoro cloth in the prior art needs to manually extend into stitch welding machine equipment, and a welding head is detached and replaced.
The purpose of the invention is mainly realized by the following technical scheme:
a tetrafluoro cloth gasket retracting mechanism is characterized by comprising: the guiding column and two PTFE tape reels are arranged at two ends of the welding head bracket; the tetrafluoro belt disc is used for receiving and releasing tetrafluoro belt; the guide columns are arranged in the gaps between the adjacent welding heads; the unfolded part of the PTFE tape is attached to the bottom surface of the welding head by bypassing the guide column.
Furthermore, one of the two tetrafluoro belt discs is used as a discharging belt disc, and the other is used as a collecting belt disc.
Further, tetrafluoro cloth filler strip retracting mechanism still includes: a fixed block and a bottom plate; fixing blocks are arranged at two ends of the welding head bracket, and two ends of the bottom plate are fixedly connected with the fixing blocks; the guide post is installed on the bottom plate.
Further, the tetrafluoro belt reel rotates and is installed on the fixed block to through the rotation of stop gear restriction tetrafluoro belt reel for the fixed block.
Furthermore, the fixed blocks are all provided with a material tray bracket, the material tray bracket is provided with a one-way bearing, and a material tray shaft is fixedly arranged in the one-way bearing; the tetrafluoro belt reel is sleeved on the charging tray shaft and can rotate relatively.
Furthermore, the limiting mechanism is a fixing ring which is fixedly installed on the tetrafluoro material disc, and the fixing ring is locked on the material disc shaft when being locked.
Further, the one-way bearing comprises a first one-way bearing and a second one-way bearing; the first one-way bearing and the second one-way bearing are reversely mounted.
Further, the charging tray shaft comprises a first charging tray shaft and a second charging tray shaft, the first charging tray shaft is in interference fit with the first one-way bearing, and the second charging tray shaft is in interference fit with the second one-way bearing.
Further, the tetrafluoro belt reel includes: a first reel and a second reel; the first belt reel is a material discharging belt reel, and the second belt reel is a material collecting belt reel; the charging tray axle includes: a first material tray shaft arranged in the first one-way bearing and a second material tray shaft arranged in the second one-way bearing of the mounting seat; the first belt disc is sleeved on the first material disc shaft; the second reel is sleeved on the second material tray shaft.
Furthermore, the first belt disc is sleeved on the first material disc shaft and is fixedly connected with the first material disc shaft through a first fixing ring; the second material tray shaft is sleeved with the second tape tray and fixedly connected with the second material tray shaft through a second fixing ring.
Further, when the second belt pulley receives materials, the first belt pulley can be pulled to synchronously discharge materials; and when the first tape reel and the second tape reel receive and discharge materials synchronously, the rotating directions of the first tape reel and the second tape reel are the same.
Furthermore, a second guide hole is formed in the bottom plate, and the guide column is installed in the second guide hole through a nut.
Furthermore, a first guide hole is formed in the welding head support, and the guide column can extend out of the first guide hole. The first guide hole and the second guide hole are opposite to the gap between the welding heads, and the first guide hole and the second guide hole are provided with an upper row and a lower row; the adjacent guide posts are installed in a vertically staggered mode.
A stitch welding machine comprises a welding head bracket and a PTFE (polytetrafluoroethylene) cloth gasket retracting and releasing mechanism arranged on the welding head bracket.
A method for replacing tetrafluoro cloth filler strips of a welding head of a stitch welding machine adopts a tetrafluoro cloth filler strip retraction mechanism to replace the tetrafluoro cloth filler strips, and the filler strip replacement method comprises the following steps:
step S1: mounting a PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism on a welding head bracket of a stitch welding machine; the polytetrafluoroethylene tape is attached to the welding head by bypassing the guide column;
step S2: opening the fixed ring; rotating the PTFE tape spool to take up and discharge materials; discharging by a discharging belt disc, and receiving by a receiving belt disc;
step S3: after the material is collected and discharged, the fixing ring is locked to limit the rotation of the PTFE tape spool; and tensioning the tetrafluoro belt on a welding head to finish the replacement of the tetrafluoro belt.
The invention has the following beneficial effects:
1. according to the PTFE filler strip collecting and releasing mechanism, the PTFE tape reels are arranged at two ends of a welding head support of the stitch welding machine, PTFE tapes are wound in the PTFE tape reels to form a PTFE cloth material roll, and the PTFE tape reels rotate to discharge materials from the discharging tape reels and collect materials from the receiving tape reels, so that the PTFE tapes in the middle of the tape reels are replaced by new unused PTFE tapes.
2. According to the tetrafluoro filler strip retracting mechanism, the guide column is arranged in the middle gap of the welding head, the tetrafluoro belt bypasses the guide column, and the guide column is higher than the bottom surface of the welding head, so that the tetrafluoro belt can be attached to the bottom surface of the welding head, the manual adhering installation mode is replaced, the replacing time of the tetrafluoro belt is shortened, the installation reliability of the tetrafluoro belt on the welding head can be ensured, and the tetrafluoro belt is prevented from being separated from the welding head.
3. According to the PTFE filler strip take-up and pay-off mechanism, the PTFE tape reels are arranged on the material tray bracket through the material tray shafts and the one-way bearings, the two one-way bearings are reversely arranged, and after the PTFE tape reels are locked with the material tray shafts through the fixing rings, the two PTFE tape reels are locked and cannot rotate, so that the PTFE tape at the unfolding part is tensioned, and the PTFE tape is prevented from sliding relative to the welding head when a stitch welding machine works.
In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 shows a PTFE (polytetrafluoroethylene) gasket retracting mechanism for a welding head of a photovoltaic module stitch welding machine;
fig. 2 is an explosion diagram of a tetrafluoro cloth backing strip retracting mechanism of a welding head of a photovoltaic module stitch welding machine.
Reference numerals:
1-a first reel; 2-tetrafluoro belt; 3-a bottom plate; 4-a guide post; 5, fixing blocks; 6-a pillar; 7-tray holder; 8-a material tray shaft; 9-one-way bearing; 10-a fixed ring; 11-a first screw; 12-a second screw; 13-a horn holder; 14-a first pilot hole; 15-a welding head; 16-a second pilot hole; 17-a screw cap; 18-a third screw; 19-a fourth screw; 20-second reel.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and which together with the embodiments of the invention serve to explain the principles of the invention and not to limit its scope.
After the welding head of the photovoltaic module stitch welding machine is used for a long time, the phenomenon of tin accumulation is easy to occur, so that a tetrafluoro cloth adhesive tape needs to be adhered to the welding head and needs to be replaced regularly. The PTFE cloth adhesive tape is replaced, the welding head needs to be manually stretched into stitch welding machine equipment, the welding head is detached and replaced, operation is inconvenient, the adhesive tape is remained on the welding head, and insufficient welding is easily caused. Based on the above, the embodiment of the invention provides a tetrafluoro cloth filler strip retracting and releasing mechanism.
Example 1
In an embodiment of the present invention, a tetrafluoro cloth backing strip retracting and releasing mechanism installed at a welding head of a stitch welding machine is disclosed, as shown in fig. 1 to 2, including: the special welding head comprises a bottom plate 3, a guide column 4 arranged on the bottom plate 3, a fixing block 5 used for fixing the whole retraction mechanism on a welding head support 13 and a tetrafluoro belt reel, wherein a tetrafluoro cloth roll, namely a tetrafluoro belt 2 is wound in the tetrafluoro belt reel. Two tetrafluoro belt reels are installed at the both ends of welding head bracket 13, and wherein, a tetrafluoro belt reel is as the blowing tep reel, and another tetrafluoro belt reel is as receiving the tep reel, through two tetrafluoro belt reels of rotation, can make tetrafluoro belt 2 slide for welding head 15, accomplish the change of tetrafluoro belt 2.
Specifically, two fixing blocks 5 are installed at two ends of the welding head support 13, two ends of the bottom plate 3 are fixedly connected with the fixing blocks 5, a plurality of guide columns 4 are installed on the bottom plate 3, and the guide columns 4 are arranged in the middle gap of the welding head 15 and used for guiding the tetrafluoro cloth. All install the tetrafluoro belt dish on two fixed blocks 5, the tetrafluoro belt dish is used for installing tetrafluoro cloth material book (tetrafluoro belt 2). The two ends of the tetrafluoro belt 2 are wound on the tetrafluoro belt reel, the middle unfolded part of the tetrafluoro belt 2 bypasses the guide column 4 and is laid on the welding head 15 (namely, the welding head heating plate), the height of the guide column 4 is higher than the bottom surface of the welding head 15, and the guide column 4 can tension the tetrafluoro belt 2 to enable the tetrafluoro belt 2 to be tightly attached to the surface of the welding head. That is, the tetrafluoro belt disks at both ends are used to tension the tetrafluoro cloth, and the tetrafluoro belt 2 between the two tetrafluoro belt disks bypasses the guide post 4 on the bottom plate 3, and the tetrafluoro cloth can be replaced and tensioned by rotating the tetrafluoro belt disks at both sides.
The tetrafluoro cloth filler strip retracting mechanism can realize the quick replacement of the tetrafluoro cloth filler strip on the welding head 15 only by rotating the tetrafluoro belt reels at two ends of the welding head 15, and has the advantages of simple operation, convenient use and no potential safety hazard.
In one embodiment of the present invention, a tetrafluoro tape comprises: the reel comprises a first reel 1 and a second reel 20, wherein the first reel 1 is used as a discharging reel, and the second reel 20 is used as a collecting reel. The tetrafluoro belt 2 is wound on the first belt reel 1, and the end part of the tetrafluoro belt 2 is fixedly connected with the second belt reel 20; the unfolded part of the tetrafluoro belt 2 bypasses the plurality of guide columns 4 and is attached to the bottom surfaces of the plurality of welding heads 15; when the tetrafluoro belt 2 needs to be replaced, the first belt reel 1 and the second belt reel 20 are rotated, the tetrafluoro belt 2 is unfolded from the first belt reel 1, meanwhile, the other end of the tetrafluoro belt 2 is wound on the second belt reel 20, namely, the tetrafluoro belt 2 is gradually wound on the second belt reel 20 by using a waste part to receive materials (recover waste materials), meanwhile, the tetrafluoro belt 2 is unfolded from the first belt reel 1 to discharge materials (expand new materials), the unfolded tetrafluoro belt 2 is attached to the bottom surface of the welding head 15, and replacement of the tetrafluoro belt 2 on the welding head 15 is completed.
In one embodiment of the invention, the base plate 3 is fixedly connected to the welding head holder 13 via the fixing block 5. The two ends of the welding head bracket 13 are provided with fixing blocks 5, and the fixing blocks 5 are fixedly connected with the two ends of the bottom plate 3.
Specifically, the fixing block 5 is fixedly connected with the bottom plate 3 through a strut 6, the fixing block 5 and the bottom plate 3 are respectively arranged at two sides of the strut 6, and a first screw 11 penetrates through the fixing block 5 and is screwed on the strut 6 through threads to fixedly connect the fixing block 5 and the strut 6; a second screw 12 is fixed with the other end of the pillar 6 through the bottom plate 3; further, the number of the pillars 6, the number of the first screws 11 and the number of the second screws 12 are two, and the bottom plate 3 is connected and fixed with the fixing block 5 through the two groups of pillars 6 and the two groups of the first screws 11 and the second screws 12.
Specifically, a clamping groove is formed in the fixing block 5 and can be clamped with the end portion of the welding head support 13, furthermore, a third screw 18 is arranged on the fixing block 5, the welding head support 13 in the clamping groove can be locked and fixed by tightening the third screw 18, and connection and fixation of the fixing block 5 and the welding head support 13 are achieved.
In one embodiment of the present invention, the tetrafluoro tape reel is fixedly installed on the fixing blocks 5 at both ends of the welding head holder 13, and the first tape reel 1 and the second tape reel 20 are installed in the same manner.
In a specific embodiment of the invention, a material tray bracket 7 is arranged on the fixed block 5, the material tray bracket 7 is fixedly connected with the fixed block 5, and the tetrafluoro belt disc is rotatably arranged on the material tray bracket 7. Specifically, the tray support 7 is sleeved on the support column 6, and the tray support 7 cannot rotate on the support column 6 due to the fact that the number of the support columns 6 is two.
In one embodiment of the invention, the tetrafluoro belt disc is rotatably mounted on the tray support 7. A charging tray mounting hole is formed in the charging tray support 7, a one-way bearing 9 is mounted in the charging tray mounting hole, the outer ring of the one-way bearing 9 is in interference fit with the charging tray support 7, and the inner ring of the one-way bearing 9 is in interference fit with the charging tray shaft 8. That is to say, the tetrafluoro belt dish is installed on charging tray axle 8, and charging tray axle 8 rotates through one-way bearing 9 and installs on charging tray support 7, realizes the rotation installation of tetrafluoro belt dish on charging tray support 7.
In one embodiment of the present invention, the tetrafluoro tape reels (the first tape reel 1, the second tape reel 20) are mounted on the tray holder 7 through the tray shaft 8 and the one-way bearing 9. The tetrafluoro belt reel is fixedly provided with a fixing ring 10, and the tetrafluoro belt reel and the material reel shaft 8 can be fixed through the fixing ring 10. Moreover, the quick assembly and disassembly of the tetrafluoro belt disc on the charging tray shaft can be realized through the fixing ring 10.
Specifically, the tetrafluoro belt reel cover is established on feed tray axle 8, and solid fixed ring 10 screws up through fourth screw 19 and installs on the tetrafluoro belt reel, and fourth screw 19 is fixed solid fixed ring 10 and tetrafluoro belt reel as an organic whole. The fixing ring 10 can be locked with the material tray shaft 8, and when the fixing ring 10 is in an open state, the tetrafluoro belt disc can rotate on the material tray shaft 8 in two directions; when the fixed ring 10 is locked with the charging tray shaft 8, the tetrafluoro-belt disc and the charging tray shaft 8 are fixed into a whole, and the tetrafluoro-belt disc and the charging tray shaft 8 synchronously rotate. Because the charging tray axle 8 is connected through one-way bearing 9 with charging tray support 7, charging tray axle 8 unidirectional rotation on charging tray support 7, when solid fixed ring 10 was locked promptly, the tetrafluoro belt dish only can be in charging tray support 7 unidirectional rotation.
In one embodiment of the present invention, the winding method of the tetrafluoro cloth roll is: when the first reel 1 and the second reel 20 rotate in the same direction, the material can be received and discharged. Namely, when the first reel 1 rotates clockwise (anticlockwise), the tetrafluoro belt 2 is unwound from the first reel 1; when the second reel 20 rotates clockwise (counterclockwise), the tetrafluoro belt 2 is wound (wound) on the second reel 20.
The one-way bearing 9 includes: a first one-way bearing and a second one-way bearing; after the one-way bearing 9 is installed on the tray support 7, the rotating directions of the first one-way bearing and the second one-way bearing are opposite. Specifically, first one-way bearing anticlockwise rotates, and the clockwise rotation of second one-way bearing, first tep reel 1 pass through first material tray axle and install on first one-way bearing, and the second tep reel passes through the second material tray axle and installs on the one-way bearing of second.
Furthermore, the one-way bearing is a one-way needle bearing; the charging tray shaft 8 is arranged in the one-way needle roller bearing and can only rotate in one direction, and the one-way bearings 9 on the two sides rotate in opposite directions, so that the rapid tensioning of the tetrafluoro belt 2 is realized conveniently.
It is worth noting that the rotation directions of the two reel shafts 8 are opposite due to the opposite rotation directions of the two one-way bearings 9, and the rotation directions of the first reel 1 and the second reel 20 are opposite when the fixing ring 10 is locked. Because, when the first reel 1 and the second reel 20 normally receive and discharge materials, the rotating directions of the first reel 1 and the second reel 20 are the same; however, after the fixing ring 10 is locked, the fixing ring 10 tightly holds the material tray shaft 8, so that the first tape reel 1 and the second tape reel 20 can only rotate in one direction, that is, the rotating directions of the first tape reel 1 and the second tape reel 20 can only be opposite, therefore, after the fixing ring 10 locks the first tape reel 1, the second tape reel 20 and the material tray shaft 8, the first tape reel 1 and the second tape reel 20 can not normally rotate, the tetrafluoro belt 2 on the welding head 15 can be tensioned, and meanwhile, the tetrafluoro belt 2 on the welding head 15 can not loosen or slide when the lap welder works.
That is, after the fixing ring 10 is locked, the first reel 1 can only perform the take-up operation, and the second reel 20 can only perform the take-up operation, so that the tetrafluoro cloth mat take-up and release mechanism is locked, and the first reel 1 and the second reel 20 do not rotate.
In one embodiment of the invention, the guide post 4 is fixedly mounted on the base plate 3 by means of a nut 17. Specifically, a second guide hole 16 is formed in the bottom plate 3, and a threaded section on the guide post 4 penetrates through the second guide hole 16 to be connected with a nut 17 through threads; tightening the nut 17 secures the guide post 4 to the base plate 3.
It should be noted that the second guiding hole 16 is a U-shaped hole, and before the nut 17 is tightened, the guiding column 4 can slide left and right in the second guiding hole 16, so as to adjust the installation position of the guiding column 4, and further, the end of the guiding column 4 can be located in the gap between the welding heads 15.
In one embodiment of the present invention, the horn holder 13 is provided with a first guiding hole 14, the first guiding hole 14, and the guiding column 4 is mounted on the base plate 3 and can protrude from the first guiding hole 14, and the protruding portion of the guiding column 4 is located in the middle gap between the adjacent welding horns 15.
Furthermore, a step groove is formed in the part, extending out of the first guide hole 14, of the guide column 4, and when the tetrafluoro belt 2 is guided by the guide column 4, the tetrafluoro belt 2 is located in the step groove, so that the position accuracy is guaranteed.
Further, the first guide hole 14 and the second guide hole 16 are provided with an upper row and a lower row, and the guide posts 4 above the position of the outgoing line vertical to the bus bar are arranged in the guide holes on the upper row to avoid interference with the outgoing line.
During implementation, tetrafluoro belt 2 is laid on bonding tool hot plate promptly bonding tool 15 through each guide post 4, after loosening solid fixed ring 10, first tep reel 1 and second tep reel 20 homoenergetic are for the 8 free rotations of charging tray axle, first tep reel 1 can normally the blowing, second tep reel 20 normally receives the material, both sides tetrafluoro reel inwards tightens up after having changed the tetrafluoro belt, tensioning tetrafluoro belt 2 makes it laminate with bonding tool 15, then solid fixed ring 10 of quick locking, guarantee that the tetrafluoro belt is in the state of tightening, whole device simple to operate, and easy operation, when having avoided the overlap welding machine to frequently change the tetrafluoro cloth sticky tape, personnel bore inside the equipment, the space, the big and inefficiency of safe risk, and is applicable to the industry and promotes.
Example 2
A stitch welding machine, wherein a tetrafluoro cloth filler strip retraction and release mechanism in the embodiment 1 is arranged on a welding head bracket to replace the tetrafluoro cloth filler strip on a welding head 15, and the operation of manually pasting a tetrafluoro cloth adhesive tape on the existing welding head is replaced.
Example 3
A method for replacing tetrafluoro cloth filler strips of a welding head of a stitch welding machine adopts a tetrafluoro cloth filler strip retracting mechanism in embodiment 1 to replace the tetrafluoro cloth filler strips, and comprises the following steps:
step S1: mounting a PTFE (polytetrafluoroethylene) cloth gasket strip retracting and releasing mechanism on a welding head bracket 13 of a stitch welding machine;
step S2: when the tetrafluoro cloth needs to be replaced, the fixing ring 10 is opened; rotating the PTFE tape spool to receive and discharge materials, discharging the materials by the discharging tape spool and receiving the materials by the receiving tape spool to finish the receiving and discharging of the PTFE cloth;
step S3: locking the fixed ring 10, now the rotation of the tetrafluoro belt disc; the tetrafluoro belt 2 is tensioned on the welding head 15.
In the step S1, the tetrafluoro belt 2 is wound on the first reel 1, and the end of the tetrafluoro belt 2 is fixedly connected with the second reel 20; the tetrafluoro belt 2 is tensioned between the first belt reel 1 and the second belt reel 20, and the tetrafluoro belt 2 is tightly attached to the bottom of the welding head 15 by bypassing the guide column 4.
In step S1, the winding method of the tetrafluoro belt 2 is: when the first reel 1 rotates clockwise, the tetrafluoro belt 2 is unwound from the first reel 1; when the first tape reel 1 rotates anticlockwise, the tetrafluoro belt 2 is wound on the first tape reel 1; when the second reel 20 rotates clockwise, the tetrafluoro belt 2 is wound (wound) on the second reel 20;
in the step S1, after the tetrafluoro cloth gasket retracting and releasing mechanism is installed, the first one-way bearing is installed in a counterclockwise rotating manner, and the second one-way bearing is installed in a clockwise rotating manner; the fixing ring 10 is in a locking state, the first reel 1 and the second reel 20 cannot rotate, and the tetrafluoro belt 2 is tensioned on the welding head 15.
In the step S2, after the fixing ring 10 is opened, the tetrafluoro tape reels (the first tape reel 1 and the second tape reel 20) can freely rotate relative to the material reel shaft 8, so that the material is discharged from the material discharging reel and is received from the material receiving reel; first tep reel 1 clockwise, and tetrafluoro cloth material book (tetrafluoro belt 2) on the first tep reel 1 expandes, and tetrafluoro belt 2 slides for bonding tool 15, and the tetrafluoro belt 2 of newly expanding is laminated with the surface of bonding tool 15 under the guide effect of guide post 4, and second tep reel 20 clockwise rotates, and the winding rolling of used tetrafluoro belt 2 is on second tep reel 20, and the tetrafluoro cloth is changed and is accomplished.
In step S3, after the tetrafluoro cloth is replaced, the tetrafluoro belt reel is fixed on the material reel shaft 8 by the locking fixing ring 10, and because the first one-way bearing and the second one-way bearing are reversely mounted, the first belt reel 1 and the second belt reel 20 can only perform winding actions, and the tetrafluoro belt 2 is tensioned while the first belt reel 1 and the second belt reel 20 are static because the first belt reel and the second belt reel cannot simultaneously wind, so that the tetrafluoro belt 2 is attached to the surface of the welding head and cannot relatively slide.
Compared with the prior art, the technical scheme provided by the embodiment has at least one of the following beneficial effects:
the operation of pasting the PTFE tape on the original welding head needs an operator to drill into the equipment, the old PTFE tape is removed, the residual adhesive is cleaned, and then the new PTFE tape is pasted.
When the tetrafluoro cloth filler strip retracting mechanism is used, the tetrafluoro cloth filler strip retracting mechanism is installed on a welding head support of an original stitch welding machine, the original operation of adhering the tetrafluoro cloth adhesive tape is changed into replacing the tetrafluoro cloth filler strip, a pre-installed tetrafluoro belt reel is installed on a material shaft, the tetrafluoro belt is wound around each guide column and is wound on a material collecting disc at the other end, then a quick fixing ring is tightened, two material discs are simultaneously tightened inwards, the tetrafluoro belt is ensured to be in a tight state, and the tetrafluoro cloth is kept to be tightly adhered to the welding head; the change of tetrafluoro belt on the welding head can be realized only to need rotatory tetrafluoro belt dish, and whole action process goes on in the equipment outside, convenient safety promptly, can avoid again the incomplete gluey clean-up insufficient rosin joint that leads to the fact of sticky tape to be unusual, is fit for the industry sector and promotes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A tetrafluoro cloth gasket retracting mechanism is characterized by comprising: the guide column (4) and two PTFE tape reels arranged at two ends of the welding head bracket (13); the tetrafluoro belt disk is used for collecting and releasing the tetrafluoro belt (2); the guide columns (4) are arranged in the gaps between adjacent welding heads (15); the unfolded part of the tetrafluoro belt (2) bypasses the guide column (4) and is attached to the bottom surface of the welding head (15).
2. The tetrafluoro cloth mat pick and place mechanism according to claim 1, further comprising: a fixed block (5) and a bottom plate (3); fixing blocks (5) are arranged at two ends of the welding head bracket (13), and two ends of the bottom plate (3) are fixedly connected with the fixing blocks (5); the guide post (4) is arranged on the bottom plate (3).
3. The tetrafluoro cloth mat leader picking and laying mechanism according to claim 2, characterized in that the tetrafluoro tape reel is rotatably mounted on the fixing block (5) and the rotation of the tetrafluoro tape reel with respect to the fixing block (5) is restricted by a limit mechanism.
4. The tetrafluoro cloth mat taking-up and paying-off mechanism according to claim 3, characterized in that the fixed blocks (5) are respectively provided with a tray support (7), the tray supports (7) are provided with one-way bearings (9), and tray shafts (8) are fixedly arranged in the one-way bearings (9); the tetrafluoro belt is sleeved on the charging tray shaft (8) and can rotate relatively.
5. The tetrafluoro cloth gasket retracting mechanism according to claim 4, characterized in that the limiting mechanism comprises a fixing ring (10), the fixing ring (10) is fixedly installed on the tetrafluoro material tray, and the fixing ring (10) is locked on the material tray shaft (8).
6. The tetrafluoro cloth mat tape collecting and releasing mechanism according to claim 4, characterized in that the one-way bearing (9) comprises a first one-way bearing and a second one-way bearing; the first one-way bearing and the second one-way bearing are installed in opposite directions.
7. The tetrafluoro cloth underlap strip take-up and pay-off mechanism of claim 6, wherein the tetrafluoro belt reel comprises: a first reel (1) and a second reel (20); the first reel (1) is a discharging reel, and the second reel (20) is a receiving reel; the feed tray shaft (8) comprises: a first material tray shaft arranged in the first one-way bearing and a second material tray shaft arranged in the second one-way bearing of the mounting seat; the first belt disc (1) is sleeved on the first material disc shaft; the second material disc shaft is sleeved with the second material disc (20).
8. The tetrafluoro cloth mat pick and place mechanism according to claim 2, characterized in that the base plate (3) is provided with a second guide hole (16) in which the guide post (4) is installed by a nut (17).
9. Stitch welding machine, characterized in that it comprises a welding head holder (7) and a tetrafluoro cloth mat pick and place mechanism as claimed in any one of claims 1 to 8 mounted on the welding head holder (7).
10. A method for replacing a tetrafluoro cloth filler strip of a welding head of a stitch welding machine, which is characterized in that the tetrafluoro cloth filler strip is replaced by the tetrafluoro cloth filler strip retracting mechanism in the claims 1 to 8, and the filler strip replacing method comprises the following steps:
step S1: mounting a PTFE (polytetrafluoroethylene) cloth gasket strip retracting mechanism on a welding head bracket (13) of a stitch welding machine; the tetrafluoro belt (2) bypasses the guide column (4) and is attached to the welding head (15);
step S2: opening the fixing ring (10); rotating the PTFE tape spool to take up and discharge materials; discharging by a discharging belt disc, and receiving by a receiving belt disc;
step S3: after the material is collected and discharged, a fixing ring (10) is locked to limit the rotation of the PTFE tape spool; the tetrafluoro belt (2) is tensioned on the welding head (15), and the replacement of the tetrafluoro belt (2) is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286078.6A CN112707199B (en) | 2020-11-17 | 2020-11-17 | PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism, stitch welding machine and gasket replacing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286078.6A CN112707199B (en) | 2020-11-17 | 2020-11-17 | PTFE (polytetrafluoroethylene) cloth gasket retracting mechanism, stitch welding machine and gasket replacing method |
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| CN112707199A true CN112707199A (en) | 2021-04-27 |
| CN112707199B CN112707199B (en) | 2023-04-11 |
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| TWM317994U (en) * | 2007-04-13 | 2007-09-01 | Cheng Uei Prec Ind Co Ltd | Reel belt cutting appliance |
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| CN112707199B (en) | 2023-04-11 |
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