CN114834056B - Full-automatic hot melt welding machine - Google Patents
Full-automatic hot melt welding machine Download PDFInfo
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- CN114834056B CN114834056B CN202210450051.9A CN202210450051A CN114834056B CN 114834056 B CN114834056 B CN 114834056B CN 202210450051 A CN202210450051 A CN 202210450051A CN 114834056 B CN114834056 B CN 114834056B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a full-automatic hot-melt welding machine which comprises a frame, a first hydraulic cylinder, a sliding platform, a second hydraulic cylinder, a milling heating device frame body, a connecting pipeline, a milling heating device, a movable clamping device, a fixed clamping device, a constant-temperature pumping device, a control workstation and a sliding platform spring, wherein the first hydraulic cylinder is connected with the frame; the milling heating device comprises a pipeline interface, a cutter head, a gear ring, an internal pipeline, a communication hole, a motor, an annular groove, a gear, a support rod, a milling heating device shell, a liquid-passing shaft sleeve, a liquid-passing shaft and a transfusion hole; the inside of the cutterhead is provided with a liquid guide groove. According to the invention, the heating plate and the milling cutter disc are integrated into a whole, the heating plate and the milling cutter disc do not need to be manually switched in the working process, the problem of inconvenient milling cutter switching is solved, and the portability is improved; the heating mode and the milling mode are switched through the temperature change of the surface of the milling heating device, a complex mechanical structure is not needed, and the number of parts is reduced; the same surface is shared by heating and milling, so that the welding effect is ensured.
Description
Technical Field
The invention relates to the field of pipeline hot-melt connection equipment, in particular to a full-automatic hot-melt welding machine.
Background
With the widespread use of PE (polyethylene) pipe systems in water, gas, oil, coastal farming and other fields, the pipeline laying effort is increasing. The traditional hot-melt welding machine heating plate and the milling cutter disc are separately placed, after the pipeline milling is completed, the milling cutter disc is taken down, and the heating plate is replaced to be heated to complete the butt joint. The milling cutter disc and the heating plate are all in live working, and a small space is unfavorable for alternately replacing the milling cutter disc and the heating plate, so that potential threat is caused to the safety of operators. The replacement back and forth also causes the aging of the line joint to be aggravated, resulting in the inefficiency of the whole construction process.
The document with the application number of 201820031956.1 discloses a thermal fusion welding machine and a hot plate mechanism thereof, wherein the hot plate mechanism is combined with a supporting frame, an automatic lifting structure is adopted, the thermal fusion welding machine is simple and portable, is not used in a limit manner by matching, is not provided with vulnerable parts, and can effectively prolong the service life. However, the device only places the hot plate mechanism on the supporting frame, and the milling mechanism still needs to be manually carried. The temperature sensor of the heating plate is generally considered to be arranged at a certain position inside the heating plate in the document Qiao Tao, xi Dan and Ruilong, namely, the analysis of the performance index of the full-automatic hot-melt welding machine and the technical improvement [ J ]. Gas and heat, 2016 (6): 3238 ], the temperature of a certain point of the heating plate is detected, and the working temperature displayed by the display is also the temperature of the point detected by the temperature sensor. The temperature at this point reaches the temperature range of the heating plate specified by the welding process, and the error range from the preset temperature of the heating plate is + -5 deg.c, which cannot represent the temperature at any point on the heating plate to meet the requirement. Therefore, the prior heating plate has the problem of uneven heating temperature.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a full-automatic hot melt welding machine.
The technical scheme for solving the technical problems is that the full-automatic hot-melt welding machine is characterized by comprising a frame, a first hydraulic cylinder, a sliding platform, a second hydraulic cylinder, a milling heating device frame body, a connecting pipeline, a milling heating device, a movable clamping device, a fixed clamping device, a constant-temperature pumping device, a control workstation and a sliding platform spring;
the frame comprises a main frame body, a first support tube, a second support tube, a third support tube, a fourth support tube and a fifth support tube; the two ends of the first support tube, the second support tube, the third support tube, the fourth support tube and the fifth support tube are fixed on the main frame body;
the fixing and clamping device is fixed at one end of the first support tube and one end of the second support tube; the movable clamping device is arranged at the other ends of the first support tube and the second support tube in a sliding manner, and drives the movable clamping device to do reciprocating linear motion relative to the fixed clamping device through the expansion and contraction of the first hydraulic cylinder;
the sliding platform is connected to the third support pipe and the fourth support pipe in a sliding manner; a sliding platform spring is nested on the support tube III and/or the support tube IV; one end of the sliding platform spring is fixedly connected with the main frame body, and the other end of the sliding platform spring is fixedly connected with the sliding platform;
one end of the milling heating device frame body is rotationally connected with the support tube five, and the other end of the milling heating device frame body is fixedly connected with a milling heating device shell of the milling heating device; the cylinder barrel and the piston rod of the second hydraulic cylinder are respectively and rotatably connected with the middle part of the sliding platform and the middle part of the milling and heating device frame body, and the second hydraulic cylinder drives the milling and heating device frame body to rotate around the supporting tube five;
the milling heating device comprises a pipeline interface, a cutter head, a gear ring, an internal pipeline, a communication hole, a motor, an annular groove, a gear, a support rod, a milling heating device shell, a liquid-passing shaft sleeve, a liquid-passing shaft and a transfusion hole; a liquid guide groove is formed in the cutter head;
the liquid-passing shaft sleeve is fixed in the milling heating device shell through a supporting rod; the middle part of the liquid passing shaft is arranged in the liquid passing shaft sleeve and is rotationally connected with the liquid passing shaft sleeve; two ends of the liquid passing shaft are fixedly connected with a cutter head respectively; a gear ring is fixed on the inner side of each cutter head; the shell of the motor is fixed on the milling heating device shell, and the output end of the motor is fixedly provided with a gear; the gear is meshed with the gear ring;
the outer side wall of the middle part of the liquid passing shaft is provided with at least two annular grooves along the circumferential direction, one type is used for liquid feeding, and the other type is used for liquid returning; the annular groove is a sealed space formed by the liquid passing shaft and the liquid passing shaft sleeve and is used for conducting high-temperature-resistant heat-conducting liquid; at least two transfusion holes are axially formed in the liquid passing shaft, one type is used for liquid feeding, and the other type is used for liquid returning; the bottom of each annular groove is provided with a communication hole along the radial direction of the liquid passing shaft; one end of the transfusion hole is communicated with the annular grooves with the same function respectively through the communication holes, and the other end is communicated with the two ends of the liquid guide groove respectively; a pipeline connector is arranged on the milling heating device shell, one end of the pipeline connector is communicated with one end of an internal pipeline, and the other end of the pipeline connector is communicated with one end of a connecting pipeline; the other end of the internal pipeline is communicated with the annular groove; the other end of the connecting pipeline is communicated with the constant-temperature pumping device;
the constant-temperature pumping device is internally provided with high-temperature-resistant heat-conducting liquid, has heating and pumping functions, maintains the temperature of the high-temperature-resistant heat-conducting liquid in a proper range through the heating function, and realizes the flow of the high-temperature-resistant heat-conducting liquid through the pumping function;
the control workstation is in communication connection with the first hydraulic cylinder, the second hydraulic cylinder, the motor and the constant-temperature pumping device.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the heating plate and the milling cutter disc are integrated into a whole, the heating plate and the milling cutter disc do not need to be manually switched in the working process, the problem of inconvenient milling cutter switching is solved, and the portability is improved; the heating mode and the milling mode are switched through the temperature change of the surface of the milling heating device, a complex mechanical structure is not needed, and the number of parts is reduced; the same surface is shared by heating and milling, and the two functions of heating and milling are not required to be adjusted again when alternately switched, so that the realization of the functions is ensured, interference phenomenon is avoided, the matching effect is better, and the welding effect is ensured.
(2) The milling and heating of the invention share the same surface, the milling cutter is in a convex state on the whole surface during milling, and has chip grooves for chip removal, so the milling cutter is not a complete surface and can not be directly heated, and the movable telescopic table and the milling cutter are arranged for accurate matching movement, so the conversion between a heating mode and a milling mode can be carried out without manual operation, the use is more convenient and rapid, and the automation is completely realized.
(3) According to the invention, the traditional resistance wire is not used for heating, but the high-temperature-resistant heat-conducting liquid is used for heating, the control workstation is controlled to continuously introduce the high-temperature-resistant heat-conducting liquid into the milling heating device, so that the high-temperature-resistant heat-conducting liquid is rapidly spread on the surface of the cutterhead, the surface of the cutterhead is rapidly heated, and the uniformity of the temperature is ensured. After heating, the high-temperature-resistant heat-conducting liquid flows back to the constant-temperature pumping device, so that heat recovery is realized.
(4) Under the heating mode, two bimetallic strips are heated to bend and arch, so that the telescopic table extends out to be flush with the surface of the cutter disc, the surface of the cutter disc is smooth, the flatness of the surface of the treated pipeline is high, and the heating quality and the welding effect are ensured. And meanwhile, the milling cutter and the telescopic table are not interfered with each other.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a rack mount of the present invention;
FIG. 3 is an exploded view of the milling heating apparatus of the present invention;
FIG. 4 is an internal structural view of the milling heating device of the present invention;
FIG. 5 is a cross-sectional view of a milling heating device of the present invention;
FIG. 6 is a perspective view of the liquid passing shaft of the present invention;
fig. 7 is an exploded view of the cutterhead of the present invention;
fig. 8 is an exploded view of another angle of the cutterhead of the present invention;
fig. 9 is a partial, one-angle perspective view of the cutterhead body of the present invention;
fig. 10 is a partial, alternative perspective view of the cutterhead body of the present invention;
FIG. 11 is a perspective view of the telescopic table of the present invention;
FIG. 12 is an angular perspective view of the stop block of the present invention;
FIG. 13 is another angular perspective view of the stop block of the present invention;
fig. 14 is a perspective view of the milling cutter of the present invention;
fig. 15 is a state diagram of the cutterhead of the present invention during milling;
fig. 16 is a state diagram of the cutterhead of the present invention when heated;
FIG. 17 is an exploded view of the clamp of the present invention;
fig. 18 is a schematic diagram of a control station and hydraulic system of the present invention.
In the figure, a frame 1, a first hydraulic cylinder 2, a sliding platform 3, a second hydraulic cylinder 4, a milling heating device frame 5, a connecting pipeline 6, a milling heating device 7, a clamping groove 8, a clamp 9, a constant-temperature pumping device 10, a control workstation 11, a hydraulic system 12 and a sliding platform spring 13;
the pipeline interface 701, the cutter head 702, the gear ring 703, the bearing 704, the internal pipeline 705, the communication hole 706, the motor 707, the annular groove 708, the gear 709, the support rod 710, the milling heating device housing 711, the liquid passing shaft sleeve 712, the liquid passing shaft 713, the infusion hole 714 and the pipeline butt joint 715;
the telescopic table 7021, the milling cutter 7022, the first reset spring 7023, the small bimetallic strip 7024, the large bimetallic strip 7025, the limiting block 7026, the cutter head main body 7027, the liquid guide groove 7028, the first infusion port 7029, the second reset spring 70210, the third reset spring 70211 and the connecting hose 70212;
a first groove 7021-1, a first rail 7021-2, a first limiting hole 7021-3, a first placement groove 7021-4 and a second infusion port 7021-5; limiting groove I7022-1; track two 7026-1, limiting hole two 7026-2, track three 7026-3 and small boss 7026-4; the device comprises a groove II 7027-1, a limiting hole III 7027-2, a groove III 7027-3, a limiting groove II 7027-4, a boss 7027-5, a limiting hole IV 7027-6, a main body groove 7027-7, a mounting groove II 7027-8 and a transfusion port III 7027-9;
a clamp seat 901, a clamp cover 902, an upper slip 903, a lower slip 904, a fastening nut 905, a rotating shaft 906, and a stud 907;
a pressure gauge 1201, a hydraulic pump 1202, and a hydraulic oil reservoir 1203.
Detailed Description
Specific examples of the present invention are given below. The specific examples are provided only for further elaboration of the invention and do not limit the scope of the claims of the present application.
The invention provides a full-automatic hot-melt welding machine (called thermal fusion welding machine for short), which is characterized by comprising a frame 1, a first hydraulic cylinder 2, a sliding platform 3, a second hydraulic cylinder 4, a milling heating device frame 5, a connecting pipeline 6, a milling heating device 7, a movable clamping device, a fixed clamping device, a constant-temperature pumping device 10, a control workstation 11 and a sliding platform spring 13;
the frame 1 comprises a main frame body, a first support tube 103, a second support tube 104, a third support tube 105, a fourth support tube 106 and a fifth support tube 107; two ends of the first support tube 103, the second support tube 104, the third support tube 105, the fourth support tube 106 and the fifth support tube 107 are fixed on the main frame body;
preferably, the main frame body includes a left support plate 101 and a right support plate 102; the two ends of the first supporting tube 103, the second supporting tube 104, the third supporting tube 105, the fourth supporting tube 106 and the fifth supporting tube 107 are respectively fixed on the left supporting plate 101 and the right supporting plate 102.
Preferably, the first support tube 103, the second support tube 104, the third support tube 105, the fourth support tube 106 and the fifth support tube 107 are parallel to each other.
The fixed clamping device is fixed at one end of the first support tube 103 and one end of the second support tube 104; the movable clamping device is arranged at the other ends of the first supporting tube 103 and the second supporting tube 104 in a sliding manner, power is provided by the first hydraulic cylinder 2, and the movable clamping device is driven to linearly move relative to the fixed clamping device by stretching and contracting, specifically: the first support tube 103 and/or the second support tube 104 are respectively sleeved with a first hydraulic cylinder 2, one of a cylinder barrel and a piston rod of the first hydraulic cylinder 2 is fixedly connected with the movable clamping device, and the other one of the cylinder barrel and the piston rod is fixedly connected with the main frame body;
the sliding platform 3 is nested outside the third support pipe 105 and the fourth support pipe 106 and is connected to the third support pipe 105 and the fourth support pipe 106 in a sliding manner; a sliding platform spring 13 is nested on the third support tube 105 and/or the fourth support tube 106; one end of the sliding platform spring 13 is fixedly connected with the main frame body, and the other end is fixedly connected with the sliding platform 3;
one end of the milling heating device frame body 5 is rotationally connected with the fifth support tube 107 through a revolute pair, and the other end of the milling heating device frame body is fixedly connected with a milling heating device shell 711 of the milling heating device 7 in a welding mode; the cylinder barrel and the piston rod of the hydraulic cylinder II 4 are respectively and rotatably connected with the middle part of the sliding platform 3 and the middle part of the milling and heating device frame 5 through a revolute pair, and the hydraulic cylinder II 4 drives the milling and heating device frame 5 to rotate around the supporting pipe V107, so that the lifting of the milling and heating device frame 5 is realized;
the milling heating device 7 comprises a pipeline interface 701, a cutter head 702, a gear ring 703, a bearing 704, an internal pipeline 705, a communication hole 706, a motor 707, an annular groove 708, a gear 709, a support rod 710, a milling heating device housing 711, a liquid passing shaft sleeve 712, a liquid passing shaft 713 and an infusion hole 714; a liquid guide groove 7028 is formed in the cutter head 702;
the liquid-passing shaft sleeve 712 is fixed inside the milling heating device housing 711 by the support rod 710; the middle part of the liquid passing shaft 713 is arranged in the liquid passing shaft sleeve 712 and is rotationally connected with the liquid passing shaft sleeve 712 through the bearing 704; two ends of the liquid passing shaft 713 are fixedly connected with a cutter head 702 respectively through screws; a gear ring 703 is fixed on the inner side of each cutter 702; the housing of the motor 707 is fixed on the milling heating device housing 711, and the output end thereof extends into the milling heating device housing 711, and is fixedly provided with a gear 709; the gear 709 is meshed with the gear ring 703, the motor 707 drives the gear 709 to rotate, the gear 709 drives the gear ring 703 to further drive the cutter head 702 to rotate, and the cutter head 702 drives the liquid passing shaft 713 to rotate;
the outer side wall of the middle part of the liquid passing shaft 713 is provided with at least two annular grooves 708 along the circumferential direction, one type is used for liquid feeding and the other type is used for liquid returning; the annular groove 708 is a sealed space formed by the liquid passing shaft 713 and the liquid passing shaft sleeve 712, and is used for conducting high-temperature-resistant heat-conducting liquid; at least two transfusion holes 714 are formed in the liquid passing shaft 713 along the axial direction (the number of the annular grooves 708 and the transfusion holes 714 are not necessarily the same), one type is used for liquid feeding and the other type is used for liquid returning; the bottom of each annular groove 708 is provided with a communication hole 706 along the radial direction of the liquid passing shaft 713; one end of the transfusion hole 714 is communicated with the annular grooves 708 with the same function respectively through the communication holes 706, and the other end is communicated with two ends of the liquid guide groove 7028 respectively; the milling heating device housing 711 is provided with a pipeline connector 701, one end of which is communicated with one end of an internal pipeline 705, and the other end of which is communicated with one end of a connecting pipeline 6; the other end of the internal pipeline 705 passes through the liquid passing shaft sleeve 712 and is communicated with the annular groove 708; the other end of the connecting pipeline 6 is communicated with a constant temperature pumping device 10;
the constant temperature pumping device 10 stores high temperature resistant heat conducting liquid, has heating and pumping functions, maintains the temperature of the high temperature resistant heat conducting liquid in a proper range through the heating function, and realizes the flow of the high temperature resistant heat conducting liquid through the pumping function;
the control workstation 11 is in communication connection with the first hydraulic cylinder 2, the second hydraulic cylinder 4, the motor 707 and the constant temperature pumping device 10, and controls the realization of corresponding functions.
Preferably, the milling heating device 7 further comprises a pipe abutment 715; two ends of the pipeline butt joint 715 are respectively connected with the ends of the transfusion hole 714 and the liquid guide groove 7028; the present embodiment is: one end of the pipeline butt joint 715 is provided with threads and is in threaded connection with the infusion hole 714; the other end surface is smooth and is inserted into the end of the liquid guide groove 7028.
Preferably, sealing rings are provided at both the annular groove 708 and the pipe nipple 715 to prevent liquid leakage.
Preferably, the thermal fusion welding machine further comprises a clamping groove 8; the clamping groove 8 is fixed on the milling heating device housing 711, and is matched with the first support pipe 103 when the milling heating device 7 works, so that the milling heating device 7 is further stabilized.
Preferably, the cutterhead 702 comprises a telescopic table 7021, a milling cutter 7022, a first reset spring 7023, a small bimetallic strip 7024, a large bimetallic strip 7025, a limiting block 7026, a cutterhead main body 7027, a second reset spring 70210, a third reset spring 70211 and a connecting hose 70212;
a liquid passing groove is formed in the telescopic table 7021; two ends of the liquid through groove are at least two liquid delivery ports II 7021-5, one type is used for liquid inlet, and the other type is used for liquid return; the limiting block 7026 is provided with a small boss 7026-4; the cutter head main body 7027 is provided with a main body groove 7027-7; a protruding boss 7027-5 is provided at one side of the main body groove 7027-7; the other side of the main body groove 7027-7 is provided with at least two infusion ports three 7027-9, one type is used for liquid inlet and the other type is used for liquid return;
a liquid guide groove 7028 is formed in the cutter head main body 7027; two ends of the liquid guide groove 7028 are provided with a liquid infusion port I7029, one type is used for liquid inlet and the other type is used for liquid return, and the liquid guide groove is respectively communicated with the other ends of the liquid infusion holes 714 with the same function through pipeline butt joints 715; the limiting block 7026 is matched with the cutter head main body 7027 to form a moving pair, and the limiting block 7026 can only move along the bottom surface of the main body groove 7027-7; one end of the second reset spring 70210 is fixedly connected with the limiting block 7026, and the other end of the second reset spring is movably connected with the cutter head main body 7027; one end of the reset spring III 70211 is fixedly connected with the cutter head main body 7027, and the other end of the reset spring III 70211 is movably connected with the milling cutter 7022; the small bimetallic strip 7024 is placed in the milling cutter 7022, is pressed on the boss 7027-5 through the three reset springs 70211, and is contacted with the boss 7027-5 after being deformed by heating; the telescopic platform 7021 and the limiting block 7026 are matched to form a moving pair, the telescopic platform 7021 and the cutter head main body 7027 are matched to form a moving pair, so that the telescopic platform 7021 can only move along the side face of the main body groove 7027-7, and the telescopic platform 7021 is flush or sunken relative to the surface of the cutter head main body 7027; in the milling state, the small boss 7026-4 can support and retain the milling cutter 7022; one end of the first reset spring 7023 is fixedly connected with the telescopic table 7021, and the other end of the first reset spring is fixedly connected with the cutter head main body 7027; the large bimetallic strip 7025 is placed in the cutter head main body 7027, is pressed in the cutter head main body 7027 through the telescopic table 7021, and contacts with the telescopic table 7021 after being deformed by heating; the connecting hose 70212 is arranged in the telescopic table 7021 and the cutter head main body 7027, one end of the connecting hose is in threaded connection with the second infusion port 7021-5, and the other end of the connecting hose is in threaded connection with the third infusion port 7027-9 and is used for conducting the telescopic table 7021 and the cutter head main body 7027, so that circulation of high-temperature-resistant heat-conducting liquid is achieved.
Preferably, the telescopic platform 7021 is provided with a groove I7021-1, a limiting hole I7021-3 and a mounting groove I7021-4, and a track I7021-2 is arranged; a transfusion port II 7021-5 is arranged in the first setting groove 7021-4; a milling cutter 7022 is provided with a limiting groove I7022-1; the limiting block 7026 is also provided with a second rail 7026-1 and a third rail 7026-3, and a limiting hole 7026-2 is formed; the other side of the main body groove 7027-7 is provided with a groove II 7027-1 and a placement groove II 7027-8; the second setting groove 7027-8 is internally provided with a third infusion port 7027-9; the bottom surface of the main body groove 7027-7 is provided with a third limiting hole 7027-2, a third groove 7027-3, a second limiting groove 7027-4 and a fourth limiting hole 7027-6;
the track III 7026-3 is matched with the groove III 7027-3 so that the limiting block 7026 and the cutter head main body 7027 form a moving pair, and the limiting block 7026 can only move along the bottom surface of the main body groove 7027-7; one end of the second reset spring 70210 is fixed in the second limiting hole 7026-2, and the other end of the second reset spring contacts with the side wall of the main body groove 7027-7 of the cutter head main body 7027; one end of the reset spring III 70211 is fixed in the limit hole IV 7027-6, and the other end of the reset spring III 70211 is contacted with the lower wall of the milling cutter 7022; the small bimetallic strip 7024 is placed in a limiting groove I7022-1 of the milling cutter 7022 and is pressed on the boss 7027-5 through a return spring III 70211; the first groove 7021-1 is matched with the second track 7026-1 to enable the telescopic platform 7021 and the limiting block 7026 to form a moving pair, the first track 7021-2 is matched with the second groove 7027-1 to enable the telescopic platform 7021 and the cutter head main body 7027 to form a moving pair, and further the telescopic platform 7021 can only move along the side face of the main body groove 7027-7, so that the telescopic platform 7021 is flush or sunken relative to the surface of the cutter head main body 7027, namely the maximum distance of the second groove 7027-1 for limiting the movement of the telescopic platform 7021 is flush with the surface of the cutter head main body 7027; one end of the reset spring I7023 is fixed in the limiting hole I7021-3, and the other end of the reset spring I7023 is fixed in the limiting hole III 7027-2; the large bimetallic strip 7025 is placed in the second limiting groove 7027-4 and is pressed in the second limiting groove 7027-4 through the telescopic table 7021; the connection hose 70212 is disposed in the first mounting groove 7021-4 and the second mounting groove 7027-8.
Preferably, the sump 7028 is fully disposed within the cutterhead body 7027.
Preferably, the movable clamping means and the fixed clamping means are each constituted by two clamps 9; the movable clamping device integrally moves, and two clamps 9 in the movable clamping device are relatively fixed;
the clamp 9 includes a clamp seat 901, a clamp cover 902, an upper slip 903, a lower slip 904, a fastening nut 905, a rotating shaft 906, and a stud 907;
the clamp seat 901 is provided with a large through hole which is matched with the first support pipe 103 and the second support pipe 104; the upper slips 903 are detachably fixed on the clamp cover 902 through threaded connection, and the lower slips 904 are detachably fixed on the clamp seat 901 through threaded connection; the rotating shaft 906 is placed in the small through hole of the clamp seat 901 and can rotate relative to the clamp seat 901; one end of a double-end stud 907 is in threaded connection with the rotating shaft 906, and the other end passes through the clamp cover 902 to be in threaded connection with the fastening nut 905; clamping of the machined test piece in the upper slip 903 and the lower slip 904 is achieved by tightening the fastening nut 905.
Preferably, the thermal fusion welder further comprises a hydraulic system 12; the hydraulic system 12 includes a hydraulic pump 1202 and a hydraulic oil reservoir 1203; the control workstation 11 comprises a high-temperature resistant heat conducting liquid interface 1104, a hydraulic cylinder one interface 1106 and a hydraulic cylinder two interface 1107;
the hydraulic oil storage tank 1203 stores hydraulic oil, and is communicated with the first hydraulic cylinder 2 through a hydraulic pump 1202 and a first hydraulic cylinder interface 1106 by utilizing a pipeline, and is communicated with the second hydraulic cylinder 4 through the hydraulic pump 1202 and a second hydraulic cylinder interface 1107 by utilizing a pipeline; the first hydraulic cylinder interface 1106 controls the on-off of oil in the first hydraulic cylinder 2, and the second hydraulic cylinder interface 1107 controls the on-off of oil in the second hydraulic cylinder 4; the other end of the connecting pipeline 6 is communicated with the constant-temperature pumping device 10 through a high-temperature-resistant heat-conducting liquid interface 1104 by utilizing the pipeline, and the high-temperature-resistant heat-conducting liquid interface 1104 controls the on-off of the high-temperature-resistant heat-conducting liquid. The high temperature resistant heat conductive liquid reaches the liquid guiding groove 7028 of the cutter head 702 via the constant temperature pumping device 10, the high temperature resistant heat conductive liquid interface 1104, the connecting pipeline 6, the pipeline interface 701, the internal pipeline 705, the annular groove 708, the communication hole 706, the transfusion hole 714 and the pipeline butt joint 715.
Preferably, the control workstation 11 further includes a switch 1101, an indicator light 1102, an operating display 1103 and a control workstation housing 1105; the hydraulic system 12 also includes a pressure sensing gauge 1201;
the switch 1101, the indicator light 1102, the operation display screen 1103, the high temperature resistant heat conducting liquid interface 1104, the first hydraulic cylinder interface 1106 and the second hydraulic cylinder interface 1107 are all arranged on the control workstation shell 1105; the switch 1101 controls the on-off of the whole thermal fusion welding machine; the indicator light 1102 indicates whether the thermal fusion welding machine is operating normally; the operation display screen 1103 displays all welding data and realizes interaction with operators; the pressure detection meter 1201 is used for measuring and indicating the pressure in the whole hydraulic system, so that an operator can conveniently judge whether the hydraulic system works normally.
Preferably, the high temperature resistant heat conducting liquid is preferably a high temperature resistant oil.
Preferably, the bi-metallic strip is a composite material composed of two or more metals or other materials having suitable properties. The bimetal is also called a thermal bimetal, and because of the different thermal expansion coefficients of the component layers, when the temperature changes, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetal is bent towards one side of the passive layer, and the curvature of the composite material changes to generate deformation.
The working principle and the working flow of the invention are as follows:
the operator clicks a start button on the operation display screen 1103, the control workstation 11 controls the hydraulic cylinder II 4 to extend, the milling heating device 7 is jacked up, the operator opens the clamp cover 902, selects a pair of upper slips 903 and lower slips 904 which are suitable for the pipeline size, the upper slips 903 are fastened on the clamp cover 902, the lower slips 904 are fastened on the clamp seat 901, the two pipelines are respectively placed between the slips of the movable clamping device and the fixed clamping device, after the pipeline position is adjusted, the clamp cover 902 is put down, and the fastening nut 905 is screwed down;
then clicking a milling button on the operation display screen 1103, controlling the workstation 11 to control the hydraulic cylinder II 4 to retract, and clamping the clamping groove 8 on the milling heating device housing 711 on the support pipe I103 and the support pipe II 104 to ensure the integral stability; since the high-temperature-resistant heat-conducting liquid is not introduced, the cutter 702 is in a milling state (namely an initial state) at the moment, the telescopic platform 7021 is tightly attached to the bottom surface of the main body groove 7027-7 through the tension of the first reset spring 7023, the milling cutter 7022 is in an extending state, the limiting block 7026 is extruded to be right below the milling cutter 7022 by the telescopic platform 7021, meanwhile, the small boss 7026-4 supports and clamps the milling cutter 7022, movement of the milling cutter 7022 is limited, retraction of the milling cutter 7022 during milling of the end surface of a pipeline is prevented, and the second reset spring 70210 is in a compressed state.
Then, the motor 707 is electrified to rotate to drive the two-sided cutterhead 702 to rotate, after the fixed rotating speed is reached, the control workstation 11 controls the hydraulic pump 1202 to rotate, high-pressure oil is introduced into the first hydraulic cylinder 2 through the hydraulic cylinder interface 121, the first hydraulic cylinder 2 drives the movable clamping device to move towards the fixed clamping device, so that two pipelines are closely attached to the two end surfaces of the milling heating device 7, and at the moment, the sliding platform spring 13 is compressed or stretched; the milling cutter 7022 continuously mills the end surface of the pipeline under the action of rotation, and a part of space reserved by the sinking of the telescopic table 7021 serves as a chip groove, so that chips are smoothly discharged; when continuous and uniform cutting chips exist, an operator clicks a milling completion button on the operation display screen 1103, the first hydraulic cylinder 2 drives the movable clamping device to be far away from the fixed clamping device, and the sliding platform spring 13 resets to separate the milling heating device 7 from the pipe fitting.
The control workstation 11 controls the hydraulic cylinder II 4 to extend to jack up the milling heating device 7, the motor 707 is powered off to stop rotating, an operator clicks a heating end face button on the operation display screen 1103 after checking that the two end faces are qualified in milling, the control workstation 11 controls the hydraulic cylinder II 4 to retract, and the milling heating device 7 returns to the working position again; the constant temperature pumping device 10 continuously provides power for high temperature resistant heat conducting liquid through a pump in the constant temperature pumping device, so that the high temperature resistant heat conducting liquid starts to be conveyed, and is output through a high temperature resistant heat conducting liquid interface 1104, and the high temperature resistant heat conducting liquid is uniformly heated through a connecting pipeline 6, a pipeline interface 701, an internal pipeline 705, an annular groove 708, a communication hole 706, an infusion hole 714 and a pipeline butt joint 715, flows into a liquid guide groove 7028 through a liquid inlet in a liquid inlet 7029 of a liquid inlet I7027, flows through the whole cutter head main body 7027, uniformly heats the cutter head main body, flows out through a liquid return port in a liquid inlet III 7027-9, flows through a connecting hose 70212 to reach a liquid inlet in a liquid inlet II 7021-5, flows into a liquid through groove of a telescopic platform 7021, and uniformly heats the telescopic platform 7021, so that the surface of the whole cutter head is uniformly heated; the liquid flows back to the constant temperature pumping device 10 through the liquid return port in the second liquid delivery port 7021-5, the connecting hose 70212, the liquid inlet port in the third liquid delivery port 7027-9, the liquid guide groove 7028, the liquid return port in the first liquid delivery port 7029, the pipeline butt joint 715, the liquid delivery hole 714, the communication hole 706, the annular groove 708, the internal pipeline 705, the pipeline interface 701, the connecting pipeline 6 and the high temperature resistant heat conducting liquid interface 1104 to form circulation.
After the cutter 702 is heated, the small bimetallic strip 7024 and the large bimetallic strip 7025 arch due to thermal deformation, the large bimetallic strip 7025 jacks up the telescopic platform 7021, and the telescopic platform 7021 can only move upwards along the side face of the main body groove 7027-7 under the action of a moving pair consisting of the groove II 7027-1 and the track I7021-2; while the telescopic table 7021 is being moved upward, the return spring one 7023 is stretched; because the limiting block 7026 can only move along the bottom surface of the main body groove 7027-7, when the telescopic platform 7021 moves upwards, the first groove 7021-1 and the second track 7026-1 are matched to enable the contact surface of the telescopic platform 7021 and the limiting block 7026 to move tightly, the limiting block 7026 is pulled to move, and the compressed second return spring 70210 also provides power for the limiting block 7026, so that movement is ensured; as the stop block 7026 moves, the second return spring 70210 is in a natural state and returns to its original length, the milling cutter 7022 is separated from the limitation of the small boss 7026-4 on the stop block 7026, the small bimetallic strip 7024 arches, the milling cutter 7022 moves away from the boss 7027-5, and the third return spring 70211 is compressed; when the temperature reaches the set temperature, the telescoping platform 7021 is extended flush with the surface of the cutterhead body 7027 and the milling cutter 7022 is retracted into the body slot 7027-7.
Then the first hydraulic cylinder 2 drives the movable clamping device to move towards the fixed clamping device again, so that two pipelines cling to the two end faces of the milling heating device 7 and keep certain pressure, the sliding platform spring 13 is compressed or stretched, and the end faces of the pipelines start to absorb heat and melt and soften; when the heat absorption time is reached, the first hydraulic cylinder 2 drives the movable clamping device to be far away from the fixed clamping device, the sliding platform spring 13 is reset to separate the milling heating device 7 from the pipe fitting, the control workstation 11 controls the second hydraulic cylinder 4 to extend to jack up the milling heating device 7, and the first hydraulic cylinder 2 rapidly drives the movable clamping device to be close to the fixed clamping device, so that two pipelines are in butt joint and keep a certain pressure, and the pipelines wait for cooling; the constant-temperature pumping device 10 stops conveying the high-temperature-resistant heat-conducting liquid, and switches to conveying air, so that the milling heating device 7 and the high-temperature-resistant heat-conducting liquid in the pipeline are recovered to the constant-temperature pumping device 10; after the cutterhead 702 is gradually cooled, the small bimetallic strip 7024 and the large bimetallic strip 7025 recover to original shapes, the first reset spring 7023 provides pulling force to retract the telescopic platform 7021 and extrude the limiting block 7026 to enable the limiting block 7026 to move in the opposite direction, and the second reset spring 70210 is limited by the extrusion action of the limiting block 7026 and is continuously compressed; the three reset springs 70211 are in a natural state to restore the original length, the milling cutter 7022 is jacked up, the milling cutter 7022 extends out, and the cutter head 702 is restored to the original state.
After the pipeline is cooled, the fastening nut 905 is unscrewed, the pipeline is disassembled, and the welding is completed.
The invention is applicable to the prior art where it is not described.
Claims (9)
1. The full-automatic hot melt welder is characterized by comprising a frame, a first hydraulic cylinder, a sliding platform, a second hydraulic cylinder, a milling heating device frame body, a connecting pipeline, a milling heating device, a movable clamping device, a fixed clamping device, a constant-temperature pumping device, a control workstation and a sliding platform spring;
the frame comprises a main frame body, a first support tube, a second support tube, a third support tube, a fourth support tube and a fifth support tube; the two ends of the first support tube, the second support tube, the third support tube, the fourth support tube and the fifth support tube are fixed on the main frame body;
the fixing and clamping device is fixed at one end of the first support tube and one end of the second support tube; the movable clamping device is arranged at the other ends of the first support tube and the second support tube in a sliding manner, and drives the movable clamping device to do reciprocating linear motion relative to the fixed clamping device through the expansion and contraction of the first hydraulic cylinder;
the sliding platform is connected to the third support pipe and the fourth support pipe in a sliding manner; a sliding platform spring is nested on the support tube III and/or the support tube IV; one end of the sliding platform spring is fixedly connected with the main frame body, and the other end of the sliding platform spring is fixedly connected with the sliding platform;
one end of the milling heating device frame body is rotationally connected with the support tube five, and the other end of the milling heating device frame body is fixedly connected with a milling heating device shell of the milling heating device; the cylinder barrel and the piston rod of the second hydraulic cylinder are respectively and rotatably connected with the middle part of the sliding platform and the middle part of the milling and heating device frame body, and the second hydraulic cylinder drives the milling and heating device frame body to rotate around the supporting tube five;
the milling heating device comprises a pipeline interface, a cutter head, a gear ring, an internal pipeline, a communication hole, a motor, an annular groove, a gear, a support rod, a milling heating device shell, a liquid-passing shaft sleeve, a liquid-passing shaft and a transfusion hole; a liquid guide groove is formed in the cutter head;
the liquid-passing shaft sleeve is fixed in the milling heating device shell through a supporting rod; the middle part of the liquid passing shaft is arranged in the liquid passing shaft sleeve and is rotationally connected with the liquid passing shaft sleeve; two ends of the liquid passing shaft are fixedly connected with a cutter head respectively; a gear ring is fixed on the inner side of each cutter head; the shell of the motor is fixed on the milling heating device shell, and the output end of the motor is fixedly provided with a gear; the gear is meshed with the gear ring;
the outer side wall of the middle part of the liquid passing shaft is provided with at least two annular grooves along the circumferential direction, one type is used for liquid feeding, and the other type is used for liquid returning; the annular groove is a sealed space formed by the liquid passing shaft and the liquid passing shaft sleeve and is used for conducting high-temperature-resistant heat-conducting liquid; at least two transfusion holes are axially formed in the liquid passing shaft, one type is used for liquid feeding, and the other type is used for liquid returning; the bottom of each annular groove is provided with a communication hole along the radial direction of the liquid passing shaft; one end of the transfusion hole is communicated with the annular grooves with the same function respectively through the communication holes, and the other end is communicated with the two ends of the liquid guide groove respectively; a pipeline connector is arranged on the milling heating device shell, one end of the pipeline connector is communicated with one end of an internal pipeline, and the other end of the pipeline connector is communicated with one end of a connecting pipeline; the other end of the internal pipeline is communicated with the annular groove; the other end of the connecting pipeline is communicated with the constant-temperature pumping device;
the cutter head comprises a telescopic table, a milling cutter, a first reset spring, a small bimetallic strip, a large bimetallic strip, a limiting block, a cutter head main body, a second reset spring, a third reset spring and a connecting hose;
a liquid passing groove is formed in the telescopic table; two ends of the liquid through groove are two infusion ports, one type is used for liquid inlet, and the other type is used for liquid return; the limiting block is provided with a small boss; the cutter head main body is provided with a main body groove; a convex boss is arranged on one side of the main body groove; the other side of the main body groove is provided with a third infusion port, one type is used for liquid inlet, and the other type is used for liquid return;
a liquid guide groove is formed in the cutter head main body; two ends of the liquid guide groove are respectively provided with a first liquid inlet and a second liquid outlet, and the first liquid outlet and the second liquid outlet are respectively communicated with the other ends of the liquid guide holes with the same function; the limiting block is matched with the cutter head main body to form a moving pair, and the limiting block can only move along the bottom surface of the main body groove; one end of the second reset spring is fixedly connected with the limiting block, and the other end of the second reset spring is movably connected with the cutter head main body; one end of the reset spring III is fixedly connected with the cutter head main body, and the other end of the reset spring III is movably connected with the milling cutter; the small bimetallic strip is placed in the milling cutter, is pressed on the boss through the reset spring III, and is contacted with the boss after being deformed by heating; the telescopic table and the limiting block are matched to form a moving pair, and the telescopic table and the cutter head main body are matched to form a moving pair, so that the telescopic table can only move along the side face of the main body groove, and the telescopic table is flush or sunken relative to the surface of the cutter head main body; when in a milling state, the small boss can support and clamp the milling cutter; one end of the first reset spring is fixedly connected with the telescopic table, and the other end of the first reset spring is fixedly connected with the cutter head main body; the large bimetallic strip is placed in the cutter head main body, is pressed in the cutter head main body through the telescopic table, and contacts with the telescopic table after being deformed by heating; the connecting hose is arranged in the telescopic table and the cutter head main body, one end of the connecting hose is connected with the second infusion port, and the other end of the connecting hose is connected with the third infusion port and is used for conducting the telescopic table and the cutter head main body;
the constant-temperature pumping device is internally provided with high-temperature-resistant heat-conducting liquid, has heating and pumping functions, maintains the temperature of the high-temperature-resistant heat-conducting liquid in a proper range through the heating function, and realizes the flow of the high-temperature-resistant heat-conducting liquid through the pumping function;
the control workstation is in communication connection with the first hydraulic cylinder, the second hydraulic cylinder, the motor and the constant-temperature pumping device.
2. The fully automatic hot melt welder of claim 1, wherein the first support tube, the second support tube, the third support tube, the fourth support tube, and the fifth support tube are parallel to each other.
3. The full-automatic hot-melt welding machine according to claim 1, wherein the first support tube and/or the second support tube are/is respectively sleeved with a first hydraulic cylinder, one of a cylinder barrel and a piston rod of the first hydraulic cylinder is fixedly connected with the movable clamping device, and the other one of the cylinder barrel and the piston rod is fixedly connected with the main frame body.
4. The fully automatic hot melt welder of claim 1, wherein the milling heating device further comprises a pipe nipple; two ends of the pipeline butt joint are respectively connected with the ends of the transfusion hole and the liquid guide groove.
5. The full-automatic hot melt welder of claim 4, wherein sealing rings are arranged at the annular groove and the pipeline butt joint to prevent liquid from leaking.
6. The fully automatic fusion welder of claim 1, further comprising a clamping slot; the clamping groove is fixed on the milling heating device shell, and is matched with the support tube I when the milling heating device works, so that the milling heating device is further stabilized.
7. The full-automatic hot-melt welding machine according to claim 1, wherein the telescopic table is provided with a groove I, a limiting hole I and a placement groove I, and is provided with a track I; an infusion port II is arranged in the first placement groove; a first limit groove is formed in the milling cutter; the limiting block is provided with a second track and a third track, and a limiting hole II is formed in the limiting block; the other side of the main body groove is provided with a groove II and a mounting groove II; an infusion port III is arranged in the second placement groove; the bottom surface of the main body groove is provided with a third limit hole, a third groove, a second limit groove and a fourth limit hole;
the third rail is matched with the third groove to enable the limiting block and the cutter head main body to form a moving pair, and the limiting block can only move along the bottom surface of the main body groove; one end of the second reset spring is fixed in the second limiting hole, and the other end of the second reset spring is contacted with the side wall of the main body groove of the cutter head main body; one end of the reset spring III is fixed in the limit hole IV, and the other end of the reset spring III is contacted with the lower wall of the milling cutter; the small bimetallic strip is placed in a first limit groove of the milling cutter and is pressed on the boss through a third reset spring; the first groove is matched with the second groove to enable the telescopic table and the limiting block to form a moving pair, the second groove is matched with the first groove to enable the telescopic table and the cutter head main body to form a moving pair, and therefore the telescopic table can only move along the side face of the main body groove, and the telescopic table is flush or sunken relative to the surface of the cutter head main body; one end of the first reset spring is fixed in the first limiting hole, and the other end of the first reset spring is fixed in the third limiting hole; the large bimetallic strip is placed in the second limiting groove and is pressed in the second limiting groove through the telescopic table; the connecting hose is arranged in the first arranging groove and the second arranging groove.
8. The fully automatic hot melt welder according to claim 1, wherein the movable clamping device and the fixed clamping device are each comprised of two clamps; the movable clamping device integrally moves, and two clamps in the movable clamping device are relatively fixed;
the clamp comprises a clamp seat, a clamp cover, an upper slip, a lower slip, a fastening nut, a rotating shaft and a double-end stud;
the clamp seat is provided with a large through hole which is matched with the first support tube and the second support tube; the upper slips are fixed on the clamp cover, and the lower slips are fixed on the clamp seat; the rotating shaft is placed in the small through hole of the clamp seat and can rotate relative to the clamp seat; one end of the double-end stud is in threaded connection with the rotating shaft, and the other end of the double-end stud penetrates through the clamp cover to be in threaded connection with the fastening nut.
9. The fully automatic fusion welder of claim 1, further comprising a hydraulic system; the hydraulic system comprises a hydraulic pump and a hydraulic oil storage tank; the control workstation comprises a high-temperature-resistant heat-conducting liquid interface, a first hydraulic cylinder interface and a second hydraulic cylinder interface;
the hydraulic oil storage tank stores hydraulic oil, and is communicated with the first hydraulic cylinder through a hydraulic pump and a first hydraulic cylinder connector by utilizing a pipeline, and is communicated with the second hydraulic cylinder through a hydraulic pump and a second hydraulic cylinder connector by utilizing a pipeline; the first interface of the hydraulic cylinder controls the on-off of oil in the first hydraulic cylinder, and the second interface of the hydraulic cylinder controls the on-off of oil in the second hydraulic cylinder; the other end of the connecting pipeline is communicated with the constant-temperature pumping device through a high-temperature-resistant heat-conducting liquid interface by utilizing the pipeline, and the high-temperature-resistant heat-conducting liquid interface controls the on-off of the high-temperature-resistant heat-conducting liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210450051.9A CN114834056B (en) | 2022-04-26 | 2022-04-26 | Full-automatic hot melt welding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210450051.9A CN114834056B (en) | 2022-04-26 | 2022-04-26 | Full-automatic hot melt welding machine |
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| CN114834056B true CN114834056B (en) | 2023-06-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902943A (en) * | 1974-08-19 | 1975-09-02 | Dow Chemical Co | Method and apparatus for joining plastic elements |
| US4062718A (en) * | 1976-09-02 | 1977-12-13 | The Dow Chemical Company | Heat sealing means |
| CN110682542A (en) * | 2019-11-05 | 2020-01-14 | 无锡德义自动化工程有限公司 | Hot melt welding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006040090A1 (en) * | 2006-08-28 | 2008-03-06 | Rieth, Stephan, Dipl.-Ing. | Milling tool, in particular a hand milling machine for milling bevels |
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2022
- 2022-04-26 CN CN202210450051.9A patent/CN114834056B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3902943A (en) * | 1974-08-19 | 1975-09-02 | Dow Chemical Co | Method and apparatus for joining plastic elements |
| US4062718A (en) * | 1976-09-02 | 1977-12-13 | The Dow Chemical Company | Heat sealing means |
| CN110682542A (en) * | 2019-11-05 | 2020-01-14 | 无锡德义自动化工程有限公司 | Hot melt welding device |
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