CN212764771U - Sectional type air heat conduction thermal shrinkage pipe expander - Google Patents
Sectional type air heat conduction thermal shrinkage pipe expander Download PDFInfo
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- CN212764771U CN212764771U CN202020986649.6U CN202020986649U CN212764771U CN 212764771 U CN212764771 U CN 212764771U CN 202020986649 U CN202020986649 U CN 202020986649U CN 212764771 U CN212764771 U CN 212764771U
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Abstract
The utility model provides a sectional type air heat conduction pyrocondensation pipe expander, belongs to pyrocondensation pipe and makes processing technology field, draws, preheats section, thermal-insulated coupling device, heating section, expansion setting device, the line-out and draws including inlet wire guide pulley, inlet wire, the expander upper portion is equipped with the inlet wire guide pulley, the inlet wire guide pulley below is equipped with the inlet wire and draws, the inlet wire is drawn the below and is equipped with preheating section, thermal-insulated coupling device, heating section once, link to each other through thermal-insulated coupling device between preheating section and the heating section, the heating section below is equipped with the expansion setting device, the expansion setting device below is equipped with. The utility model discloses a set up the preheating section of lower warm area, make the pyrocondensation pipe preheat earlier to the uniform temperature to keep enough intensity, reentrant heating section only needs less temperature rise and time, just can reach the required temperature of expansion, thereby improves expansion efficiency.
Description
Technical Field
The utility model belongs to the technical field of the pyrocondensation pipe is made and is processed, concretely relates to sectional type air heat conduction pyrocondensation pipe expander.
Background
The existing air heat conduction heat shrinkable tube expansion technology, particularly a vertical heat shrinkable tube expander, generally adopts a section of straight-through heating cavity, and in this way, the whole inside of the cavity is high in temperature; the heat-shrinkable tube is under the action of self gravity, and if the heat-shrinkable tube passes through an overlong high-temperature cavity, the heat-shrinkable tube can be stretched to a certain extent and even be broken, so that the longitudinal disqualification of the expanded product is caused, and the product quality is influenced. This limits the vertical expander of this kind of air heat conduction can't design the heating cavity of overlength, has limited pyrocondensation pipe heating efficiency and production speed. And the longer the chamber length is set, the more uneven the internal temperature distribution due to the rising effect of the hot air.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sectional type air heat conduction heat-shrinkable tube expander, which solves the problems of the prior art that the air heat conduction heat-shrinkable tube expander cannot be provided with a heating section with a longer length, the heating efficiency is limited and the expansion speed is limited;
the preheating section of the lower heating temperature area is arranged, so that the heat shrinkable tube is preheated to a certain temperature in the preheating section, the enough strength of the material is kept, and gravity deformation cannot be generated; then the mixture enters a heating section to be heated at high temperature, and after reaching the proper high temperature, the mixture is expanded and shaped. By the design, under the same temperature and heating length of the heating section, the incoming heat shrinkable tube has a temperature higher than room temperature, so that the temperature can be increased to reach the temperature required by expansion in a shorter time, the heating efficiency is improved, and a sufficient heating speed is provided for increasing the expansion speed.
The utility model aims at realizing through the following technical scheme:
a sectional type air heat conduction heat shrink tube expanding machine comprises an incoming line guide wheel, an incoming line traction device, a preheating section, a heat insulation connecting device, a heating section, an expansion shaping device and an outgoing line traction device, wherein the incoming line guide wheel is arranged at the upper part of the expanding machine, the incoming line traction device is arranged below the incoming line guide wheel, the preheating section, the heat insulation connecting device and the heating section are arranged below the incoming line traction device at one time, the preheating section is connected with the heating section through the heat insulation connecting device, the expansion shaping device is arranged below the heating section, and the outgoing line traction device is arranged below the expansion shaping device.
Furthermore, the incoming line traction section, the preheating section, the heat insulation connecting device, the heating section, the expansion shaping device and the outgoing line traction center are coaxially arranged.
Furthermore, the preheating section and the heating section are mutually independent heating cavities, cavities through which heat shrinkage pipes pass are arranged, and heating and temperature control devices are respectively and independently arranged; the inner cavities of the preheating section and the heating section are circular, square or rectangular, and the medium in the inner cavity is heated by air.
Furthermore, the heating devices of the preheating section and the heating section are resistance wires or electromagnetic or infrared generators or hot air circulation.
Furthermore, the incoming line traction and the outgoing line traction are respectively formed by placing two cylindrical rubber rollers in parallel, the rubber roller gap is controlled and adjusted, the rubber rollers synchronously rotate, and the two rubber rollers rotate singly or doubly.
Further, the heat insulation connecting device comprises an air inlet pipe, air holes, an air cavity wall and a through hole, the air cavity wall is formed by hinging and connecting two semicircular annular air cavities, the air cavity wall is of an internal hollow structure, the air holes are axially formed in the periphery of the air cavity wall, one side of the air cavity wall is connected with the air inlet pipe, and the middle part of the combined two semicircular annular air cavity walls forms the through hole.
Furthermore, a sealing gasket is arranged at the joint of the two semicircular rings, a lock catch is arranged on one side of the joint of the two semicircular rings, and a hinge is arranged on the other side of the joint of the two semicircular rings.
Furthermore, the expansion and shaping device comprises an expansion and shaping mold, a vacuum and cooling cavity, a cooling circulating water inlet, a vacuumizing port and an air adjusting plug, the expansion and shaping mold matched with the heat shrinkable tube penetrates through the interior of the expansion and shaping device, the vacuumizing port is arranged at the upper part of the outer wall of the expansion and shaping device, the cooling circulating water inlet is arranged at the lower part of the outer wall of the expansion and shaping device, the vacuum and cooling cavity is arranged between the outer wall of the expansion and shaping device and the expansion and shaping mold, and the air adjusting plug is arranged at the upper part of the expansion and.
The utility model discloses a beneficial effect is: the sectional type air heat conduction heat shrinkable tube expander is provided to overcome the problems in the prior art and solve the problems that the air heat conduction heat shrinkable tube expander cannot be provided with a heating section with a longer length, the heating efficiency is limited and the expansion speed is limited; the preheating section of the lower heating temperature area is arranged, so that the heat shrinkable tube is preheated to a certain temperature in the preheating section, the enough strength of the material is kept, and gravity deformation cannot be generated; then the mixture enters a heating section to be heated at high temperature, and after reaching the proper high temperature, the mixture is expanded and shaped. By the design, under the same temperature and heating length of the heating section, the incoming heat shrinkable tube has a temperature higher than room temperature, so that the temperature can be increased to reach the temperature required by expansion in a shorter time, the heating efficiency is improved, and a sufficient heating speed is provided for increasing the expansion speed.
Drawings
FIG. 1 is a schematic view of a sectional air heat-conducting heat-shrinkable tube expander;
FIG. 2 is a schematic front view of the heat insulation coupling device;
FIG. 3 is a schematic top view of the heat-insulating coupling device;
FIG. 4 is a schematic structural view of the expansion and setting device;
fig. 5 is a schematic structural view of the air regulating plug.
The components in the figure: the device comprises a wire inlet guide wheel 1, a wire inlet traction wheel 2, a preheating section 3, a heat insulation connecting device 4, a heating section 5, an expansion shaping device 6, a wire outlet traction wheel 7, a heat shrinkage pipe 8, an expansion shaping die 61, a vacuum and cooling cavity 62, a cooling circulating water inlet 63, a vacuumizing port 64, an air adjusting plug 65, a lock catch 41, a hinge 42, an air inlet pipe 43, an air hole 44, an air cavity wall 45, a sealing gasket 46 and a through hole 47.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
A sectional type air heat conduction heat shrinkage pipe expander is shown in figure 1 and comprises an incoming line guide wheel 1, an incoming line traction wheel 2, a preheating section 3, a heat insulation connecting device 4, a heating section 5, an expansion shaping device 6 and an outgoing line traction wheel 7; the heat insulation connecting device 4 is arranged between the preheating section 3 and the heating section 5 and is communicated with a cavity between the two heating sections; the inlet wire guide wheel 1 and the inlet wire traction wheel 2 are arranged on the upper end cover of the preheating section 3;
the incoming line traction 2, the preheating section 3, the heat insulation connecting device 4, the heating section 5, the expansion die 6 and the outgoing line traction 7 are arranged on an axis from top to bottom in sequence; the preheating section 3 and the heating section 5 are mutually independent heating cavities; the preheating section 3 is coaxially arranged right above the heating section 5; the two heating sections are respectively and independently provided with heating and temperature control; the two heating sections have a typical round inner cavity and can be square or rectangular; the two heating sections take air in the inner cavity as a heating medium; the two heating sections heat the air in the wall by various heating modes such as resistance wires, electromagnetism, infrared generators, hot air circulation and the like; the incoming line traction 2 and the outgoing line traction 7 are respectively formed by placing two cylindrical rubber rollers in parallel, and the rubber roller gap can be controllably adjusted and synchronously rotates; the two rubber rollers can rotate singly or in a double-driving manner; the heat insulation connecting device 4 is used for communicating the preheating section 3 with the heating section 5 and allowing the expanded heat shrinkable tube to be introduced into the heating section 5 from the preheating section 3; the heat insulation connecting device 4 is an annular cavity device which can be opened separately and is provided with a middle through hole, so that the heat shrinkable tube can conveniently pass through the middle through hole smoothly from the opened connecting device 4 when passing from the preheating section 3 to the heating section 5; the heat insulation connecting device 4 has certain air tightness and certain heat preservation performance after the cavity is closed and locked. The heat insulation connecting device 4 is a device which can press air into the heating section 5 from the annular cavity of the device; the air source of the heat insulation connecting device 4 can be provided by a fan, compressed air and the like; the temperature of the air source can be controlled and adjusted. The expansion shaping device 6 is provided with an expansion shaping mold 61, a vacuum and cooling cavity 62, a cooling circulating water inlet 63 and a vacuumizing port 64; an air adjusting plug 65 is arranged at the upper port of the expansion shaping mold. The structure of the air adjusting plugs 65 is shown in fig. 5, the sizes of different sizes D are changed according to the sizes of the pipe and the mould, the size of each air adjusting plug is fixed, the product is expanded by the pressure difference between the negative pressure generated by vacuum and the positive pressure in the pipe in a hot state by changing different caliber sizes, and therefore the expansion shaping device needs to be vacuumized; meanwhile, cooling water is needed to be arranged for cooling and shaping; water is pumped away from the vacuum port along with it.
Example 1
Referring to fig. 1, a sectional type air heat conduction heat shrink tube expander according to an embodiment of the present invention is disclosed.
The structure comprises an incoming line guide wheel 1, an incoming line traction 2, a preheating section 3, a heat insulation connecting device 4, a heating section 5, an expansion shaping device 6 and an outgoing line traction 7;
the inlet wire guide wheel 1 and the inlet wire traction 2 are arranged on the upper end cover of the preheating section 3, and the inlet wire guide wheel 1 is obliquely above the inlet wire traction 2; the centers of the contact lines of the two rubber rollers after the incoming line traction 2 is closed are on the same axis with the inlet of the preheating section and the center of the section;
the heat insulation connecting device 4 is arranged at the lower end of the outlet of the preheating section 3, and the upper end of the inlet of the heating section 5 is coaxial with the two heating sections and is communicated with the cavity between the two heating sections;
the expansion shaping device 6 is arranged at the lower end of the outlet of the heating section 5 and is coaxial with the axis;
the centers of the contact lines of the two rubber rollers after the outgoing line traction 7 is closed are on the same axis with the heating section 5 and the expansion shaping device 6.
The heat shrinkable tube 8 passes through the inlet wire guide wheel 1 and then vertically passes through the inlet wire traction 2, the preheating section 3, the heat insulation connecting device 4, the heating section 5, the expansion shaping device 6 and the outlet wire traction 7 from top to bottom in sequence.
Expanding the heat-shrinkable tube with the diameter of 4.0 and the wall thickness of 1.0, and expanding the diameter of the sizing die to 9.0, wherein the diameter of the expanded heat-shrinkable tube is 7.5; the traditional air heat conduction expansion temperature is 280 ℃, and the maximum expansion speed can be 8 m/min; after the embodiment of the expander of the utility model is used, the preheating temperature of the preheating section 3 is set to 120 ℃, the heating temperature of the heating section 5 is still set to 280 ℃, and the maximum expanding speed can reach 12 m/min; on the premise of the same heating section length, the same heating section temperature, the same heat-shrinkable tube blank tube and the expansion mould, the preheating of the preheating section is arranged, so that the expansion speed is improved by 50%.
To sum up, the utility model provides a sectional type air heat-conduction pyrocondensation pipe expander can solve air heat-conduction pyrocondensation pipe expander, can't set up longer length heating section, and heating efficiency is limited, the limited difficult problem of expanding velocity. After the heat shrinkable tube blank tube passes through the preheating section 3, the temperature of the heat shrinkable tube blank tube is higher than the room temperature, so that the temperature can be increased to reach the temperature required by expansion in a shorter time, the heating efficiency is improved, and the sufficient heating speed is provided for improving the expansion speed.
The present invention is not limited to the above embodiments, and various changes can be made by those skilled in the art, but any changes equivalent or similar to the present invention are intended to be covered by the scope of the claims.
Claims (8)
1. The utility model provides a sectional type air heat conduction pyrocondensation pipe expander which characterized in that: the wire inlet traction device comprises a wire inlet guide wheel (1), a wire inlet traction device (2), a preheating section (3), a heat insulation connecting device (4), a heating section (5), an expansion shaping device (6) and a wire outlet traction device (7), wherein the wire inlet guide wheel (1) is arranged on the upper portion of the expansion machine, the wire inlet traction device (2) is arranged below the wire inlet guide wheel (1), the preheating section (3), the heat insulation connecting device (4) and the heating section (5) are arranged below the wire inlet traction device (2) at one time, the preheating section (3) is connected with the heating section (5) through the heat insulation connecting device (4), the expansion shaping device (6) is arranged below the heating section (5), and the wire outlet traction device (7) is arranged.
2. The segmented air heat conduction heat shrink tube expander according to claim 1, wherein: the center of the incoming line traction device (2), the center of the preheating section (3), the center of the heat insulation connecting device (4), the center of the heating section (5), the center of the expansion shaping device (6) and the center of the outgoing line traction device (7) are coaxially arranged.
3. The segmented air heat conduction heat shrink tube expander according to claim 1, wherein: the preheating section (3) and the heating section (5) are mutually independent heating cavities, cavities through which heat shrinkage pipes pass are arranged, and heating and temperature control devices are respectively and independently arranged; the inner cavities of the preheating section (3) and the heating section (5) are round, square or rectangular, and the medium in the inner cavities is heated by air.
4. The segmented air heat conduction heat shrink tube expander according to claim 3, wherein: the heating devices of the preheating section (3) and the heating section (5) are resistance wires or electromagnetic or infrared generators or hot air circulation.
5. The segmented air heat conduction heat shrink tube expander according to claim 1, wherein: the incoming line traction device is characterized in that the incoming line traction device (2) and the outgoing line traction device (7) are respectively formed by placing two cylindrical rubber rollers in parallel, the rubber roller gap is controlled and adjusted, the rubber rollers synchronously rotate, and the two rubber rollers rotate singly or doubly.
6. The segmented air heat conduction heat shrink tube expander according to claim 1, wherein: the heat insulation connecting device (4) comprises an air inlet pipe (43), air holes (44), air cavity walls (45) and a through hole (47), wherein the air cavity walls (45) are hinged and connected in a semicircular mode, the air cavity walls are of an internal hollow structure, the air holes (44) are axially formed in the periphery of the air cavity walls (45), one side of each air cavity wall (45) is connected with the air inlet pipe (43), and the middle of the combined two semicircular air cavity walls (45) forms the through hole (47).
7. The segmented air heat conduction heat shrink tube expander according to claim 6, wherein: the two semicircular ring-shaped butt joints are provided with sealing gaskets (46) at the cross sections, one side of each semicircular ring-shaped butt joint is provided with a lock catch (41), and the other side of each semicircular ring-shaped butt joint is provided with a hinge (42).
8. The segmented air heat conduction heat shrink tube expander according to claim 1, wherein: the expansion shaping device comprises an expansion shaping mold (61), a vacuum and cooling cavity (62), a cooling circulating water inlet (63), a vacuumizing port (64) and an air adjusting plug (65), wherein the expansion shaping mold (61) matched with the heat shrink tube penetrates through the inside of the expansion shaping device, the vacuumizing port (64) is arranged on the upper portion of the outer wall of the expansion shaping device, the cooling circulating water inlet (63) is arranged on the lower portion of the outer wall of the expansion shaping device, the vacuum and cooling cavity (62) is arranged between the outer wall of the expansion shaping device and the expansion shaping mold (61), and the air adjusting plug (65) is arranged on the upper portion of the expansion shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986649.6U CN212764771U (en) | 2020-06-03 | 2020-06-03 | Sectional type air heat conduction thermal shrinkage pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986649.6U CN212764771U (en) | 2020-06-03 | 2020-06-03 | Sectional type air heat conduction thermal shrinkage pipe expander |
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| Publication Number | Publication Date |
|---|---|
| CN212764771U true CN212764771U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020986649.6U Active CN212764771U (en) | 2020-06-03 | 2020-06-03 | Sectional type air heat conduction thermal shrinkage pipe expander |
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| CN (1) | CN212764771U (en) |
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- 2020-06-03 CN CN202020986649.6U patent/CN212764771U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A segmented air heat transfer and heat conduction pipe expander Effective date of registration: 20221207 Granted publication date: 20210323 Pledgee: Bank of China Limited Dalian Jinpu New Area Branch Pledgor: UNION POLYMER MATERIAL CO.,LTD. Registration number: Y2022980025610 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |