CN111660553B - High-efficient pyrocondensation processing equipment - Google Patents
High-efficient pyrocondensation processing equipment Download PDFInfo
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- CN111660553B CN111660553B CN202010563226.8A CN202010563226A CN111660553B CN 111660553 B CN111660553 B CN 111660553B CN 202010563226 A CN202010563226 A CN 202010563226A CN 111660553 B CN111660553 B CN 111660553B
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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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/42—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using tubular layers or sheathings
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Abstract
The invention discloses high-efficiency thermal shrinkage processing equipment which comprises a working platform, wherein the working platform is provided with a heating device, a positioning device positioned on one side of the heating device and a driving device used for driving the positioning device to move in and out of the heating device; the heating device comprises a hot air generator and a first air guide assembly, the first air guide assembly is arranged at the top of the working platform, the hot air generator is arranged at the bottom of the working platform, an air outlet of the hot air generator is connected with two hot air pipes, and the other ends of the hot air pipes penetrate through the working platform and are connected with the first air guide assembly; the positioning device comprises a first positioning plate and a second positioning plate which are connected, two first positioning grooves are formed in the first positioning plate, two second positioning grooves in one-to-one correspondence with the first positioning grooves are formed in the second positioning plate, and clamping assemblies are arranged in the first positioning grooves and the second positioning grooves. The efficient thermal shrinkage processing equipment is reasonable in structure, high in production efficiency and good in thermal shrinkage effect on the thermal shrinkage pipe.
Description
Technical Field
The invention relates to high-efficiency thermal shrinkage processing equipment.
Background
Heat shrink tube: the heat shrinkable sleeve is a special polyolefin heat shrinkable sleeve which can also be called as EVA material. The outer layer is made of high-quality soft cross-linked polyolefin material and inner layer hot melt adhesive through composite processing, the outer layer material has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, water resistance, sealing, high adhesion and the like. Because different wire harnesses are welded in the wire harness assembling process, the copper core at the welding position is exposed, and in order to protect the part, a heat-shrinkable tube needs to be added at the part and subjected to heat-shrinkable treatment. The existing thermal shrinkage processing equipment has a complex structure, low production efficiency and poor thermal shrinkage effect on the thermal shrinkage pipe.
Disclosure of Invention
The invention aims to provide high-efficiency thermal shrinkage processing equipment which is reasonable in structure, high in production efficiency and good in thermal shrinkage effect on a thermal shrinkage pipe.
In order to achieve the purpose, the technical scheme of the invention is to design high-efficiency thermal shrinkage processing equipment which comprises a working platform, wherein the working platform is provided with a heating device, a positioning device positioned on one side of the heating device and a driving device used for driving the positioning device to move in and out of the heating device;
the heating device comprises a hot air generator and a first air guide assembly, the first air guide assembly comprises a first support and two first air guide covers, the two first air guide covers are arranged at the top of the working platform through the first support, a first air guide cavity is arranged inside the first air guide covers, a hot air outlet communicated with the first air guide cavity is formed in the top of the first air guide covers, the hot air generator is arranged at the bottom of the working platform, the air outlet of the hot air generator is connected with two hot air pipes in one-to-one correspondence with the two first air guide covers, and the other ends of the hot air pipes penetrate through the working platform and the first support and extend into the first air guide cavities corresponding to the first air guide covers;
the driving device comprises a driving cylinder, a first guide assembly and a second guide assembly, the first guide assembly and the second guide assembly are respectively positioned on two sides of a first support, the first guide assembly comprises a first X-axis guide rod, two ends of the first X-axis guide rod are respectively provided with a first supporting seat fixed with the working platform, a first sliding plate is sleeved on the first X-axis guide rod in a sliding manner, an output shaft of the driving cylinder is fixedly connected with the first sliding plate, the second guide assembly comprises a second X-axis guide rod, two ends of the second X-axis guide rod are respectively provided with a second supporting seat fixed with the working platform, and a second sliding plate is sleeved on the second X-axis guide rod in a sliding manner;
the positioning device comprises a first positioning plate arranged at the top of the first sliding plate, a second positioning plate arranged at the top of the second sliding plate and an adjusting plate connected between the first positioning plate and the second positioning plate, the first positioning plate extends upwards towards the side part of the second positioning plate to form a first positioning convex strip, the first positioning convex strip is provided with two first positioning grooves, the second positioning plate extends upwards towards the side part of the first positioning plate to form a second positioning convex strip, the second positioning convex strip is provided with two second positioning grooves corresponding to the two first positioning grooves one by one, clamping assemblies are respectively arranged in the first positioning grooves and the second positioning grooves, each clamping assembly comprises two movable clamping blocks, the opposite side surfaces of the two movable clamping blocks are clamping surfaces, the opposite side surfaces of the two movable clamping blocks are respectively connected with a clamping spring, and the top of each clamping surface is provided with a guide inclined surface, and the joint of the clamping surface and the guide inclined surface is provided with an arc transition surface.
Preferably, the heating device further comprises an installation frame and a second air guide assembly, the installation frame is arranged at the top of the working platform, the installation frame is of an L-shaped structure, an L-shaped cavity is formed in the installation frame, the installation frame comprises a vertical portion and a horizontal portion connected to the top end of the vertical portion, the second air guide assembly comprises a second support and two second air guide hoods, the two second air guide hoods are arranged on the vertical portion through the second support, the two second air guide hoods are in one-to-one correspondence with the two first air guide hoods, a second air guide cavity is formed in the second air guide hoods, a recovery opening which is located right above the corresponding first air guide hood is formed in the bottom of each second air guide hood, two recovery air pipes which are communicated with the L-shaped cavity and in one-to-one correspondence with the two second air guide hoods are arranged at the bottom of the horizontal portion, and the other ends of the recovery air pipes penetrate through the second support and extend into the second air guide cavities corresponding to the second air guide hoods, the air inlet of the hot air generator is provided with a connecting pipe, and the other end of the connecting pipe penetrates through the working platform and extends into the L-shaped cavity of the mounting frame.
Preferably, a Y-axis sliding groove is formed in the top of the second sliding plate, and a sliding block connected with the Y-axis sliding groove is arranged at the bottom of the second positioning plate; one end of the adjusting plate is fixedly connected with the second positioning raised line, a long-strip-shaped adjusting hole is formed in the adjusting plate, the length direction of the adjusting hole is consistent with the length direction of the Y-axis sliding groove, and a pressing bolt which is in threaded connection with the first positioning plate and is used for pressing the adjusting plate is arranged in the adjusting hole.
Preferably, an air deflector is arranged in the first air guide cavity, and a plurality of air outlet holes are formed in the air deflector.
Preferably, the working platform is provided with an electric cabinet.
Preferably, the bottom of the working platform is provided with four supporting legs which are arranged in a rectangular shape.
The invention has the advantages and beneficial effects that: the utility model provides a high-efficient pyrocondensation processing equipment, its is rational in infrastructure, and production efficiency is high, and is effectual to the pyrocondensation of pyrocondensation pipe.
When the heat shrinkable tube fixing device is used, the two heat shrinkable tubes can be fixed by the positioning device so as to be subjected to heat shrinkage treatment on the two heat shrinkable tubes at the same time. When the heat shrinkable tube is fixed, two ends of the heat shrinkable tube are respectively arranged in a first positioning groove and a second positioning groove, one end of the heat shrinkable tube is clamped by two movable clamping blocks in the first positioning groove, and the other end of the heat shrinkable tube is clamped by two movable clamping blocks in the second positioning groove; in addition, the guide inclined plane is arranged on the clamping surface of the movable clamping block, so that the heat shrinkable tube is guided to be clamped between the two movable clamping blocks, and the heat shrinkable tube is convenient to take out; after fixing of the heat shrink tube is completed, the output shaft of the driving cylinder is started to retract, so that the positioning device is driven and the heat shrink tube fixed on the positioning device moves to the heating device, the heat shrink tube is located between the first air guide cover and the second air guide cover corresponding to the heating device, hot air generated by the hot air generator flows through the hot air pipe and the first air guide cover and then is blown out from the air outlet, and the heat shrink tube shrinks under the action of the hot air. After the completion, the output shaft of the driving cylinder is started to extend out, so that the positioning device is driven and the heat shrinkable tube subjected to heat shrinkage treatment is moved out of the heating device, and finally the heat shrinkable tube subjected to processing is taken out by an operator.
And two second air guiding covers are arranged above the two first air guiding covers, so that hot air blown out of the first air guiding covers can be collected through the second air guiding covers, then the hot air is guided into the hot air generator through the recycling air pipe, the L-shaped cavity and the connecting pipe, and the hot air generator is used after being reheated by the hot air generator, so that the energy consumption required by the hot air generator is saved.
In addition, because the first positioning plate is connected with the second positioning plate through the adjusting plate, the distance between the first positioning plate and the second positioning plate can be adjusted, namely the distance between the first positioning groove and the second positioning groove is adjusted, so that the heat shrinkable tubes with different lengths can be fixed. During specific operation, firstly, the compression bolt is loosened, and the second positioning plate is connected with the second sliding plate in a sliding mode, so that the second positioning plate can be close to or far away from the first positioning plate to move, after the second positioning plate moves in place, the compression bolt is screwed down, the adjusting plate is compressed and fixed on the first positioning plate, and the adjustment of the distance between the first positioning plate and the second positioning plate is completed.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is a schematic view of a heating apparatus of the present invention.
Fig. 4 is a schematic view of the first wind scooper of the present invention.
Fig. 5 is a schematic view of a movable clamp block of the present invention.
Fig. 6 is a schematic view of a coupling structure of the slider and the second slider in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 6, a high-efficiency thermal shrinkage processing device comprises a working platform 1, wherein a heating device, a positioning device located at one side of the heating device, and a driving device for driving the positioning device to move in and out of the heating device are arranged on the working platform 1;
the heating device comprises a hot air generator 2 and a first air guide assembly, the first air guide assembly comprises a first support 3 and two first air guide covers 4, the two first air guide covers 4 are arranged at the top of the working platform 1 through the first support 3, a first air guide cavity is arranged inside each first air guide cover 4, a hot air outlet communicated with the first air guide cavity is formed in the top of each first air guide cover 4, the hot air generator 2 is arranged at the bottom of the working platform 1, an air outlet of the hot air generator 2 is connected with two hot air pipes 5 which are in one-to-one correspondence with the two first air guide covers 4, and the other ends of the hot air pipes 5 penetrate through the working platform 1 and the first support 3 and extend into the first air guide cavities corresponding to the first air guide covers 4;
the driving device comprises a driving cylinder 6, a first guide assembly and a second guide assembly, the first guide assembly and the second guide assembly are respectively positioned at two sides of the first support 3, the first guide assembly comprises a first X-axis guide rod 7, two ends of the first X-axis guide rod 7 are respectively provided with a first supporting seat 8 fixed with the working platform 1, a first sliding plate is sleeved on the first X-axis guide rod 7 in a sliding manner, an output shaft of the driving cylinder 6 is fixedly connected with the first sliding plate, the second guide assembly comprises a second X-axis guide rod 9, two ends of the second X-axis guide rod 9 are respectively provided with a second supporting seat 10 fixed with the working platform 1, and a second sliding plate 11 is sleeved on the second X-axis guide rod 9 in a sliding manner;
the positioning device comprises a first positioning plate 12 arranged at the top of the first sliding plate, a second positioning plate 13 arranged at the top of the second sliding plate 11, and an adjusting plate 14 connected between the first positioning plate 12 and the second positioning plate 13, wherein the first positioning plate 12 extends upwards towards the side part of the second positioning plate 13 to form a first positioning convex strip 15, two first positioning grooves are arranged on the first positioning convex strip 15, the second positioning plate 13 extends upwards towards the side part of the first positioning plate 12 to form a second positioning convex strip 16, two second positioning grooves 17 corresponding to the two first positioning grooves one by one are arranged on the second positioning convex strip 16, clamping components are arranged in the first positioning grooves and the second positioning grooves 17 respectively, each clamping component comprises two movable clamping blocks 18, the opposite side surfaces of the two movable clamping blocks 18 are clamping surfaces 19, and the opposite side surfaces of the two movable clamping blocks 18 are connected with a clamping spring 20 respectively, the top of the clamping surface 19 is provided with a guide inclined surface 21, and the joint of the clamping surface 19 and the guide inclined surface 21 is provided with an arc transition surface 22.
The heating device further comprises an installation frame 23 and a second air guide assembly, the installation frame 23 is arranged at the top of the working platform 1, the installation frame 23 is of an L-shaped structure, an L-shaped cavity is formed in the installation frame 23, the installation frame 23 comprises a vertical portion 24 and a horizontal portion 25 connected to the top end of the vertical portion 24, the second air guide assembly comprises a second support 26 and two second air guide covers 27, the two second air guide covers 27 are arranged on the vertical portion 24 through the second support 26, the two second air guide covers 27 correspond to the two first air guide covers 4 one by one, a second air guide cavity is formed in the second air guide cover 27, a recovery opening is formed in the bottom of each second air guide cover 27 and is located right above the corresponding first air guide cover 4, two recovery air pipes 28 which are communicated with the L-shaped cavity and correspond to the two second air guide covers 27 one by one are arranged at the bottom of the horizontal portion 25, the other end of the recycling air pipe 28 penetrates through the second bracket 26 and extends into a second air guiding cavity corresponding to the second air guiding cover 27, a connecting pipe 29 is arranged at an air inlet of the hot air generator 2, and the other end of the connecting pipe 29 penetrates through the working platform 1 and extends into the L-shaped cavity of the mounting frame 23.
A Y-axis sliding slot 30 is arranged at the top of the second sliding plate 11, and a sliding block 31 connected with the Y-axis sliding slot 30 is arranged at the bottom of the second positioning plate 13; one end of the adjusting plate 14 is fixedly connected with the second positioning protruding strip 16, a strip-shaped adjusting hole 32 is formed in the adjusting plate 14, the length direction of the adjusting hole 32 is consistent with the length direction of the Y-axis sliding groove 30, and a pressing bolt 33 which is in threaded connection with the first positioning plate 12 and is used for pressing the adjusting plate 14 is arranged in the adjusting hole 32.
The first air guiding cavity is internally provided with an air guiding plate 34, and the air guiding plate 34 is provided with a plurality of air outlet holes 35.
The working platform 1 is provided with an electric cabinet 36.
The bottom of the working platform 1 is provided with four supporting feet 37, and the four supporting feet 37 are arranged in a rectangular shape.
The invention has the advantages and beneficial effects that: the utility model provides a high-efficient pyrocondensation processing equipment, its is rational in infrastructure, and production efficiency is high, and is effectual to the pyrocondensation of pyrocondensation pipe.
When the heat shrinkable tube fixing device is used, the two heat shrinkable tubes can be fixed by the positioning device so as to be subjected to heat shrinkage treatment on the two heat shrinkable tubes at the same time. When the heat shrinkable tube is fixed, two ends of the heat shrinkable tube are respectively arranged in a first positioning groove and a second positioning groove 17, one end of the heat shrinkable tube is clamped by two movable clamping blocks 18 in the first positioning groove, and the other end of the heat shrinkable tube is clamped by two movable clamping blocks 18 in the second positioning groove 17; moreover, the guide inclined surface 21 is arranged on the clamping surface 19 of the movable clamping block 18, so that the heat shrinkable tube is guided to be clamped between the two movable clamping blocks 18, and the heat shrinkable tube is convenient to take out; after fixing of the heat shrink tube is completed, the output shaft of the driving cylinder 6 is started to retract, so that the driving positioning device and the heat shrink tube fixed on the positioning device move to the heating device, the heat shrink tube is located between the corresponding first air guide cover 4 and the corresponding second air guide cover 27 in the heating device, hot air generated by the hot air generator 2 flows through the hot air pipe 5 and the first air guide cover 4 and then is blown out from the air outlet, and the heat shrink tube shrinks under the action of the hot air. After the completion, the output shaft of the driving cylinder 6 is started to extend out, so that the positioning device is driven and the heat shrinkable tube subjected to heat shrinkage treatment is moved out of the heating device, and finally the heat shrinkable tube subjected to processing is taken out by an operator.
In addition, by arranging the two second air guiding hoods 27 above the two first air guiding hoods 4, the hot air blown out from the first air guiding hoods 4 can be collected by the second air guiding hoods 27, then guided into the hot air generator 2 through the recycling air pipe 28, the L-shaped cavity and the connecting pipe 29, and then heated again by the hot air generator 2 for continuous use, thereby being beneficial to saving energy consumption required by the hot air generator 2.
In addition, since the first positioning plate 12 and the second positioning plate 13 are connected by the adjusting plate 14, the distance between the first positioning plate 12 and the second positioning plate 13, that is, the distance between the first positioning groove and the second positioning groove 17, can be adjusted to fix heat shrinkable tubes of different lengths. In a specific operation, the pressing bolt 33 is firstly loosened, the second positioning plate 13 can be moved close to or away from the first positioning plate 12 due to the sliding connection between the second positioning plate 13 and the second sliding plate 11, and after the second positioning plate 13 is moved to a certain position, the pressing bolt 33 is screwed, so that the adjusting plate 14 is pressed and fixed on the first positioning plate 12, and the adjustment of the distance between the first positioning plate 12 and the second positioning plate 13 is completed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. The efficient thermal shrinkage processing equipment is characterized by comprising a working platform, wherein the working platform is provided with a heating device, a positioning device positioned on one side of the heating device and a driving device used for driving the positioning device to move in and out of the heating device;
the heating device comprises a hot air generator and a first air guide assembly, the first air guide assembly comprises a first support and two first air guide covers, the two first air guide covers are arranged at the top of the working platform through the first support, a first air guide cavity is arranged inside the first air guide covers, a hot air outlet communicated with the first air guide cavity is formed in the top of the first air guide covers, the hot air generator is arranged at the bottom of the working platform, the air outlet of the hot air generator is connected with two hot air pipes in one-to-one correspondence with the two first air guide covers, and the other ends of the hot air pipes penetrate through the working platform and the first support and extend into the first air guide cavities corresponding to the first air guide covers;
the driving device comprises a driving cylinder, a first guide assembly and a second guide assembly, the first guide assembly and the second guide assembly are respectively positioned on two sides of a first support, the first guide assembly comprises a first X-axis guide rod, two ends of the first X-axis guide rod are respectively provided with a first supporting seat fixed with the working platform, a first sliding plate is sleeved on the first X-axis guide rod in a sliding manner, an output shaft of the driving cylinder is fixedly connected with the first sliding plate, the second guide assembly comprises a second X-axis guide rod, two ends of the second X-axis guide rod are respectively provided with a second supporting seat fixed with the working platform, and a second sliding plate is sleeved on the second X-axis guide rod in a sliding manner;
the positioning device comprises a first positioning plate arranged at the top of the first sliding plate, a second positioning plate arranged at the top of the second sliding plate and an adjusting plate connected between the first positioning plate and the second positioning plate, the first positioning plate extends upwards towards the side part of the second positioning plate to form a first positioning convex strip, the first positioning convex strip is provided with two first positioning grooves, the second positioning plate extends upwards towards the side part of the first positioning plate to form a second positioning convex strip, the second positioning convex strip is provided with two second positioning grooves corresponding to the two first positioning grooves one by one, clamping assemblies are respectively arranged in the first positioning grooves and the second positioning grooves, each clamping assembly comprises two movable clamping blocks, the opposite side surfaces of the two movable clamping blocks are clamping surfaces, the opposite side surfaces of the two movable clamping blocks are respectively connected with a clamping spring, and the top of each clamping surface is provided with a guide inclined surface, and the joint of the clamping surface and the guide inclined surface is provided with an arc transition surface;
the heating device further comprises an installation frame and a second air guide assembly, the installation frame is arranged at the top of the working platform, the installation frame is of an L-shaped structure, an L-shaped cavity is formed in the installation frame, the installation frame comprises a vertical part and a horizontal part connected to the top end of the vertical part, the second air guide assembly comprises a second support and two second air guide hoods, the two second air guide hoods are arranged on the vertical part through the second support, the two second air guide hoods correspond to the two first air guide hoods one by one, a second air guide cavity is formed in the second air guide hoods, a recovery opening which is located right above the corresponding first air guide hoods is formed in the bottom of each second air guide hood, two recovery air pipes which are communicated with the L-shaped cavity and correspond to the two second air guide hoods one by one are arranged at the bottom of the horizontal part, and the other ends of the recovery air pipes penetrate through the second support and extend into the second air guide cavities corresponding to the second air guide hoods, the air inlet of the hot air generator is provided with a connecting pipe, and the other end of the connecting pipe penetrates through the working platform and extends into the L-shaped cavity of the mounting rack;
the top of the second sliding plate is provided with a Y-axis sliding chute, and the bottom of the second positioning plate is provided with a sliding block connected with the Y-axis sliding chute; one end of the adjusting plate is fixedly connected with the second positioning convex strip, a long strip-shaped adjusting hole is formed in the adjusting plate, the length direction of the adjusting hole is consistent with the length direction of the Y-axis sliding groove, and a pressing bolt which is in threaded connection with the first positioning plate and is used for pressing the adjusting plate is arranged in the adjusting hole;
the first air guide cavity is internally provided with an air guide plate, and the air guide plate is provided with a plurality of air outlet holes;
an electric cabinet is arranged on the working platform;
four supporting legs are arranged at the bottom of the working platform and are arranged in a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563226.8A CN111660553B (en) | 2020-06-19 | 2020-06-19 | High-efficient pyrocondensation processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010563226.8A CN111660553B (en) | 2020-06-19 | 2020-06-19 | High-efficient pyrocondensation processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111660553A CN111660553A (en) | 2020-09-15 |
| CN111660553B true CN111660553B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010563226.8A Active CN111660553B (en) | 2020-06-19 | 2020-06-19 | High-efficient pyrocondensation processing equipment |
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| CN (1) | CN111660553B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201249521Y (en) * | 2008-07-29 | 2009-06-03 | 永泰电子（东莞）有限公司 | Heated air circulation device |
| CN201936687U (en) * | 2010-07-16 | 2011-08-17 | 上海飞乐电子系统有限公司 | Improved structure of thermal shrinkage device for wire harness ends |
| CN203997087U (en) * | 2014-08-22 | 2014-12-10 | 赵茹 | The adjustable hot air circulation shrinkable packing machine of four-way |
| CN207432820U (en) * | 2017-11-20 | 2018-06-01 | 诸城海韵汽车配套有限公司 | Double-station hot machine for shrinking |
| CN208812583U (en) * | 2018-09-06 | 2019-05-03 | 四川飞普科技有限公司 | A kind of device for AOC splitter pyrocondensation |
| CN209869398U (en) * | 2019-01-03 | 2019-12-31 | 长沙波特尼电气系统有限公司 | Thermal shrinkage machine tool |
| CN110053826A (en) * | 2019-04-25 | 2019-07-26 | 北京市继远斋食品厂 | A kind of thermal contraction machine |
| CN210116171U (en) * | 2019-05-08 | 2020-02-28 | 宁波拓普电器有限公司 | Pyrocondensation pipe firing equipment |
-
2020
- 2020-06-19 CN CN202010563226.8A patent/CN111660553B/en active Active
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