CN114908237B - Local softening device of automobile thermoforming part - Google Patents
Local softening device of automobile thermoforming part Download PDFInfo
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- CN114908237B CN114908237B CN202210502591.7A CN202210502591A CN114908237B CN 114908237 B CN114908237 B CN 114908237B CN 202210502591 A CN202210502591 A CN 202210502591A CN 114908237 B CN114908237 B CN 114908237B
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- shell
- groups
- main board
- separation unit
- stud
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- 238000003856 thermoforming Methods 0.000 title abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a local softening device of an automobile thermoforming part, which belongs to the technical field of automobile part thermoforming processing and comprises the following components: the shell is slidably provided with two groups of separation units which are used for separating the inner cavity of the shell into three groups of cavities; a driving unit is arranged in the shell and used for driving the separation unit to transversely move in the inner cavity of the shell; and a reciprocating heating part is also arranged in the shell and used for supplying heat to the cavity separated by the separation unit. The invention is provided with the separation unit in the shell, the inner cavity of the shell is divided into a plurality of groups of cavities, and the automobile parts to be processed are processed independently in different areas, so that different mechanical properties of different areas on the same processed part are realized, and meanwhile, the position of the separation unit in the shell can be adjusted through the driving unit, so that the processing area division is realized according to the automobile parts to be processed, and the applicability of the local softening device is improved.
Description
Technical Field
The invention relates to the technical field of thermoforming processing of automobile parts, in particular to a local softening device of an automobile thermoforming part.
Background
In order to improve the collision performance of the whole automobile, the application of the thermal forming parts on the automobile body is more and more widely used.
However, the traditional organization structure of the thermal forming part is mainly quenching martensite, only one strength range can be realized when the thermal forming part is processed on one automobile part, if the same automobile part can have different strength ranges in different areas during processing, the collision performance of the whole automobile can be optimized more favorably, but the existing device can not locally soften the automobile part, and different mechanical properties in different areas on the same part can not be realized.
Disclosure of Invention
The invention aims to provide a local softening device for a thermal forming part of an automobile, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a localized softening device for automotive thermoformed parts comprising: the shell body is provided with a plurality of grooves,
two groups of separation units are arranged in the shell in a sliding manner and are used for separating the inner cavity of the shell into three groups of cavities;
a driving unit is arranged in the shell and used for driving the separation unit to transversely move in the inner cavity of the shell;
and a reciprocating heating part is also arranged in the shell and used for supplying heat to the cavity separated by the separation unit.
Further, the separation unit comprises an upper main board and a lower main board, two groups of movable boards are movably arranged on opposite sides of the main boards through grooves, one sides of the movable boards are connected with the bottoms of the grooves through multiple groups of elastic connecting pieces, high-temperature-resistant flexible pads are arranged on the other sides of the movable boards, a first heating device is arranged on the other sides of the movable boards through grooves, and one sides of the upper main board and the lower main board are connected together through connecting frames.
Further, the driving unit includes:
rotating a first stud arranged above the inner cavity of the shell;
a second stud arranged below the inner cavity of the shell is rotated;
a guide seat arranged on the inner wall of the top of the shell and the inner wall of the bottom of the shell;
the two groups of driving devices are arranged on one side of the shell and used for driving the first stud and the second stud to rotate;
the nut is fixedly embedded on the top main board and the left side in the separation unit on the bottom main board in the separation unit, the nut thread bush in the top main board in the separation unit is arranged on the outer wall of the stud, the nut thread bush in the bottom main board in the separation unit is arranged on the outer wall of the stud, the movable barrel for the stud to pass through is embedded on the top main board in the separation unit, the movable barrel for the stud to pass through is embedded on the bottom main board in the separation unit, and the notch matched with the guide seat is formed in one end of the main board.
Further, the driving unit further comprises two groups of telescopic devices arranged at the upper end and the lower end of the other side of the shell, and the telescopic devices penetrate through the shell and are connected with T-shaped heads.
Further, the reciprocation heating part includes:
the guide rails are transversely arranged at the top and the bottom of the inner cavity of the shell;
the guide rod is transversely arranged in the guide rail;
a plurality of groups of sliding blocks with one end arranged in the guide rail and movably sleeved on the outer wall of the guide rod;
and a second heating device arranged at the bottom of the sliding block.
The sliding blocks are at least three groups, the three groups of sliding blocks are in one-to-one correspondence with the three groups of cavities, and the sliding blocks are arranged at the position close to the left end in the cavities.
Further, the movable opening matched with the guide rail is arranged on the main board in a left-right penetrating mode, a sealing block is arranged on the inner wall of one side, close to the movable board, of the movable opening, one end of the sealing block is arranged inside the guide rail, and self-sealing components are arranged in the sealing block and the sliding block.
Further, the self-sealing assembly comprises an assembly port, the assembly port is formed by penetrating left and right on the sealing block and the sliding block, connecting plates matched with the inner cavities of the assembly port are hinged to the inner walls of the front side and the rear side in the assembly port, elastic pieces are connected to the left side and the right side of the connecting plates, and the other ends of the elastic pieces are connected with the inner walls of the assembly port.
Further, a sealing shell door is detachably arranged on one side of the shell.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with the separation unit in the shell, the inner cavity of the shell is divided into a plurality of groups of cavities, the automobile parts to be processed are processed in different areas and are independently processed in different areas on the same processed part, meanwhile, the position of the separation unit in the shell can be adjusted through the driving unit, the processing area division is realized according to the automobile parts to be processed, the applicability of the local softening device is improved, the heat is supplied to the separated cavities through the reciprocating heating part, the temperature of the plurality of cavities is different, the strength of the formed areas of the automobile parts to be processed is different, the heating device II can reciprocate in the cavities and is matched with the driving unit, and the uniformity of the heat supply of the separated areas on the automobile parts to be processed is higher, so that the processing quality and the processing efficiency of the automobile parts are improved.
Drawings
FIG. 1 is a perspective view of a partial softening apparatus for automotive thermoformed parts according to the present invention;
FIG. 2 is a perspective view showing the structure of a partition unit in a partial softening apparatus for a thermoformed part of an automobile according to the present invention;
FIG. 3 is a perspective view showing the structure of a driving unit in a partial softening device of a thermo-formed part of an automobile according to the present invention;
FIG. 4 is a perspective view showing the structure of a reciprocating heating part in a partial softening apparatus for a thermoformed part of an automobile according to the present invention;
FIG. 5 is a cross-sectional view of a self-sealing assembly in a partial softening device of a thermoformed part of an automobile in accordance with the present invention;
fig. 6 is a perspective view showing the structure of a seal housing door in a partial softening apparatus of a thermo-formed part of an automobile according to the present invention.
In the figure: 1. a housing; 2. a partition unit; 21. a main board; 22. a movable plate; 23. an elastic connection member; 24. a first heating device; 25. a high temperature resistant flexible mat; 26. a movable opening; 27. sealing blocks; 28. a connecting frame; 3. a driving unit; 31. a driving device; 32. a telescoping device; 33. a guide seat; 34. a first stud; 35. a second stud; 36. a T-shaped head; 4. a reciprocating heating part; 41. a guide rail; 42. a sliding block; 43. a second heating device; 5. a self-sealing assembly; 51. an assembly port; 52. a connecting plate; 53. an elastic member; 6. sealing the shell door.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a local softening device for a thermal forming part of an automobile comprises a casing 1, two groups of partition units 2 arranged in an inner cavity of the casing 1, a driving unit 3 for driving the partition units 2 to transversely move in the inner cavity of the casing 1, and a reciprocating heating part 4, and is used for heating the automobile part in the casing 1;
the casing 1 is preferably a rectangular casing 1, the front side of the casing 1 is hollow, and a sealing casing door 6 is detachably arranged on the front side of the casing 1 for sealing, so that the internal structure of the casing 1 is convenient to maintain or pick and place automobile parts to be processed;
when the automobile part is heated, different temperatures are generated in different cavities through the reciprocating heating part 4, so that the part of the automobile part in the different cavities is treated independently, the aim that the automobile part has different strength ranges in different areas is fulfilled, the traditional automobile B column part is divided into a hard area, a transition area and a soft area when being processed, the transition area is arranged in the separation unit 2 when being processed, the hard area and the soft area are respectively arranged in the two side cavities separated by the separation unit 2, the temperature in the corresponding cavity is heated to 910-960 ℃ at the hard area of the automobile part, the temperature in the corresponding cavity is heated to 700-860 ℃ at the soft area of the automobile part, and the temperature at the hard area of the separation unit 2 is heated to 800-880 ℃ or not heated, so that the transition area can be naturally formed between the hard area and the soft area of the automobile part, which is not in the prior art;
the reciprocating heating part 4 can heat a plurality of groups of cavities formed by the separation unit 2 and the shell 1, so that the second heating device 43 in the cavity can reciprocate left and right in the corresponding cavity, thereby ensuring the uniformity of heating the corresponding area of the automobile part and ensuring the molding quality of the automobile part.
Example 2
As shown in fig. 2, the separation unit 2 comprises main boards 21 which are respectively arranged on the inner wall of the top of the shell 1 in a sliding manner and on the inner wall of the bottom of the shell 1 in a sliding manner, grooves are formed on opposite sides of the upper main board 21 and the lower main board 21, a movable board 22 which is matched with the grooves is movably arranged in the grooves, one side of the movable board 22 is connected with the bottom of the grooves through a plurality of groups of elastic connecting pieces 23, a high-temperature-resistant flexible pad 25 is arranged on the other side of the movable board 22, and the high-temperature-resistant flexible pad 25 can be made of silicon rubber;
wherein the main board 21 is matched with the inner cavity of the shell 1. The two sides of the groove also respectively penetrate through the two side walls of the main board 21, and the outer side of the movable plate 22 is flush with the outer side of the main board 21 so as to ensure the tightness in the cavity separated by the separation unit 2 and ensure that the regulated cavity reaches the required temperature. In this embodiment, the elastic connection member 23 may preferably adopt a high temperature resistant spring structure, so that the automobile part to be processed is positioned between the upper and lower movable plates 22, and the above-described existing automobile B-pillar part is taken as an example, and during processing, the transition region of the existing automobile B-pillar part is positioned between the upper and lower movable plates 22;
further, the front and rear ends of one side of the upper and lower main boards 21 are respectively provided with a connecting frame 28, so that the upper and lower main boards 21 can synchronously move, and the connecting frames 28 preferably adopt a U-shaped structure;
alternatively, the opposite sides of the upper and lower movable plates 22 are provided with notches, and a first heating device 24 is arranged in the notches, wherein the first heating device 24 has an auxiliary effect on the formation of the transition area of the automobile part, and the first heating device 24 can adopt a radiant tube, an electric heating element or other electric heating modes, which are not described in detail herein; a handle for the operation of a user is arranged at one end of the inner side of the movable plate 22;
further, a movable port 26 is formed in the main plate 21 at one side thereof in a left-right penetrating manner; in the two groups of separation units 2, a movable cylinder is fixedly arranged on one group of main boards 21 in one group of separation units 2 in a left-right penetrating manner, nuts are fixedly embedded on the other group of main boards 21, nuts are fixedly embedded on one group of main boards 21 in the other group of separation units 2, and the movable cylinder is fixedly arranged on the other group of main boards 21 in a left-right penetrating manner. For example, a movable cylinder is fixedly arranged on the top main plate 21 in the left separation unit 2 in a left-right penetrating manner, and nuts are fixedly embedded on the bottom main plate 21; nuts are fixedly embedded on the top main board 21 in the right separation unit 2, and movable cylinders are fixedly arranged on the bottom main board 21 in a left-right penetrating mode.
Example 3
As shown in fig. 2-3, the driving unit 3 includes a guide holder 33 disposed on the top inner wall of the casing 1 and the bottom inner wall of the casing 1, a notch adapted to the guide holder 33 is formed at one end of the main board 21, the guide holder 33 is guided and limited to move, the driving device 31 is disposed at the upper and lower ends of one side of the casing 1, the first stud 34 and the second stud 35 are disposed at the top and the bottom of the inner cavity of the casing 1 by transverse rotation of bearings, nut threads in one group of the separating units 2 are sleeved on the outer wall of the first stud 34, nut threads in the other group of separating units 2 are sleeved on the outer wall of the second stud 35, and the first stud 34 and the second stud 35 also pass through corresponding movable cylinders. For example, the nut thread of the right separation unit 2 is sleeved on the outer wall of the first stud 34, and the first stud 34 passes through the movable barrel in the left separation unit 2; the nut thread of the left separation unit 2 is sleeved on the outer wall of the second stud 35, the second stud 35 penetrates through the movable cylinder in the right separation unit 2, so that the first stud 34 drives the right separation unit 2 to move in the shell 1 when rotating, and the second stud 35 drives the left separation unit 2 to move in the shell 1 when rotating;
further, the upper end and the lower end of the other side of the shell 1 are respectively provided with a telescopic device 32, and the output end of the telescopic device 32 movably penetrates through the shell 1 and is connected with a T-shaped head 36;
wherein the drive means 31 comprise a servo motor and a decelerator. The telescopic device 32 may be a hydraulic telescopic device or an electric telescopic device, etc., which will not be described in detail here.
Example 4
As shown in fig. 4-5, the reciprocating heating part 4 comprises two groups of guide rails 41 transversely arranged at the top and the bottom of the inner cavity of the shell 1, the guide rails 41 are arranged between the first stud 34 and the second stud 35, the guide rails 41 pass through the movable opening 26 on the main board 21, the vertical section of the guide rails 41 is U-shaped, the inner wall of one side of the movable opening 26, which is close to the movable board 22, is provided with a sealing block 27, the other end of the sealing block 27 is arranged in the guide rails 41, and the other end of the sealing block 27 is used for sealing the joint of the guide rails 41 and the main board 21 and simultaneously is convenient for not interfering the transverse movement of the main board 21 relative to the guide rails 41;
further, a plurality of groups of sliding blocks 42 are slidably arranged at opposite ends of the upper and lower guide rails 41, a second heating device 43 is arranged at the inner ends of the sliding blocks 42, guide rods are transversely arranged in the guide rails 41, the sliding blocks 42 are movably sleeved on the outer walls of the guide rods, so that the sliding blocks 42 cannot be separated from the guide rails 41, wherein the sliding blocks 42 and the second heating devices 43 on each group of the guide rails 41 correspond to the cavities separated by the separation units 2, namely the two groups of separation units 2 separate the inner cavities of the shell 1 to form three groups of cavities, the sliding blocks 42 and the second heating devices 43 on each group of the guide rails 41 are all three groups, and the single groups of sliding blocks 42 and the second heating devices 43 are all arranged at positions, close to the left ends, of the single groups of cavities;
alternatively, the second heating device 43 may adopt a structure that uses electric heating or a burner to deliver and spray hot air, which is not described in detail herein, in combination with a fan, wherein the output end of the upper telescopic device 32 specifically penetrates the left side of the top rail 41, and the output end of the lower telescopic device 32 specifically penetrates the left side of the bottom rail 41.
Example 5
As shown in fig. 2, 4 and 5, a self-sealing assembly 5 is arranged in the movable opening 26 and the sliding block 42, the position of the self-sealing assembly 5 at the sliding block 42 is described below, the self-sealing assembly 5 comprises an assembly opening 51 penetrating through the sliding block 42 left and right, connecting plates 52 are hinged on the inner walls of the front side and the rear side of the assembly opening 51, elastic pieces 53 are arranged on the left side and the right side of the connecting plates 52, and the other ends of the elastic pieces 53 are connected with the inner wall of the assembly opening 51;
wherein the fitting opening 51 is a rectangular fitting opening 51. The connecting plates 52 are matched with the assembly openings 51, and the two groups of connecting plates 52 are used for sealing the assembly openings 51. The elastic member 53 preferably adopts an arc-shaped spring structure.
It should be noted that, as the telescopic device 32 moves the T-shaped head 36 to the left, the T-shaped head 36 first contacts the two sets of connection plates 52 in the leftmost sliding block 42, and as it continues to move, the leftmost sliding block 42 is pushed to move the second heating device 43 at the bottom of the leftmost sliding block until it contacts the main board 21 side in the leftmost partition unit 2, after being blocked, the T-shaped head 36 pushes the two sets of connection plates 52 in the leftmost sliding block 42, passes through the leftmost sliding block 42 and then passes through the self-sealing assembly 5 in the left partition unit 2, and then drives the second heating device 43 in the middle to move to the left, so that the rightmost sliding block 42 can be pushed to the rightmost side in the housing 1, and at this time, the telescopic device 32 resets the T-shaped head 36 to the right, thereby driving the second heating devices 43 to sequentially move to the left.
In summary, the working principle of the local softening device is as follows:
when the device is used, the partition unit 2 is driven to move through the driving unit 3 according to the processing area on the automobile part to be processed, the driving device 31 is opened to enable the first stud 34 or the second stud 35 to rotate, the partition unit 2 is enabled to move in the inner cavity of the shell 1, the upper movable plate and the lower movable plate 22 in the partition unit 2 are pulled, the transition area of the automobile part to be processed is placed between the upper movable plate and the lower movable plate 22 and is fixed through the upper movable plate and the lower movable plate 22, the hard area and the soft area of the automobile part to be processed are respectively placed in the cavity separated by the partition unit 2, the corresponding second heating device 43 in the cavity is opened and regulated to a specified temperature, the hard area and the soft area of the automobile part to be processed are formed, so that the automobile part has different strength ranges in different areas, when the second heating device 43 is used for heating, the T-shaped head 36 is enabled to reciprocate left and right through opening the telescopic device 32, and the second heating device 43 in the different cavities reciprocates left and right on the guide rail 41, and the automobile part area in the cavity is heated efficiently.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A localized softening device for automotive thermoformed parts comprising: casing (1), its characterized in that:
two groups of separation units (2) are arranged in the shell (1) in a sliding manner and are used for separating the inner cavity of the shell (1) into three groups of cavities;
a driving unit (3) is arranged in the shell (1) and used for driving the separation unit (2) to transversely move in the inner cavity of the shell (1);
a reciprocating heating part (4) is also arranged in the shell (1) and is used for supplying heat to the cavity separated by the separation unit (2);
the separation unit (2) comprises an upper main board (21) and a lower main board (21), two groups of movable boards (22) which are matched are movably arranged on opposite sides of the two main boards (21) through grooves, one side of each movable board (22) is connected with the bottom of each groove through a plurality of groups of elastic connecting pieces (23), a high-temperature-resistant flexible pad (25) is arranged on the other side of each movable board (22), a first heating device (24) is arranged on the other side of each movable board (22) through a notch, and one sides of the upper main board (21) and the lower main board (21) are connected together through a connecting frame (28);
the drive unit (3) comprises:
a stud I (34) arranged above the inner cavity of the shell (1) in a rotating way;
a stud II (35) arranged below the inner cavity of the shell (1) in a rotating way;
a guide seat (33) is arranged on the inner wall of the top of the shell (1) and the inner wall of the bottom of the shell (1);
and two groups of driving devices (31) arranged at one side of the shell (1) and used for driving the first stud (34) and the second stud (35) to rotate;
nuts are fixedly embedded on the top main board (21) in the separation unit (2) on the right side and the bottom main board (21) in the separation unit (2) on the left side, the nut threads in the top main board (21) in the separation unit (2) on the right side are sleeved on the outer wall of the stud I (34), the nut threads in the bottom main board (21) in the separation unit (2) on the left side are sleeved on the outer wall of the stud II (35), a movable barrel for the stud I (34) to pass through is embedded on the top main board (21) in the separation unit (2) on the left side, a movable barrel for the stud II (35) to pass through is embedded on the bottom main board (21) in the separation unit (2) on the right side, and a notch matched with the guide seat (33) is formed in one end of the main board (21);
the driving unit (3) further comprises two groups of telescopic devices (32) arranged at the upper end and the lower end of the other side of the shell (1), and the telescopic devices (32) penetrate through the shell (1) and are connected with T-shaped heads (36);
the reciprocation heating unit (4) comprises:
the guide rails (41) are transversely arranged at the top and the bottom of the inner cavity of the shell (1);
a guide bar arranged transversely in the guide rail (41);
a plurality of groups of sliding blocks (42) with one end arranged in the guide rail (41) and movably sleeved on the outer wall of the guide rod;
and a second heating device (43) arranged at the bottom of the sliding block (42);
the sliding blocks (42) are at least three groups, the three groups of sliding blocks (42) are in one-to-one correspondence with the three groups of cavities, and the sliding blocks (42) are arranged at the position close to the left end in the cavities.
2. A localized softening device for automotive thermoformed parts in accordance with claim 1 wherein: the movable opening (26) matched with the guide rail (41) is formed in the left and right of the main board (21), a sealing block (27) is arranged on the inner wall of one side, close to the movable board (22), of the movable opening (26), one end of the sealing block (27) is arranged inside the guide rail (41), and self-sealing components (5) are arranged in the sealing block (27) and the sliding block (42).
3. A localized softening device for automotive thermoformed parts in accordance with claim 2 wherein: the self-sealing assembly (5) comprises an assembly port (51), the assembly port (51) is formed by penetrating left and right on the sealing block (27) and the sliding block (42), connecting plates (52) matched with the inner cavities of the assembly port (51) are hinged to the inner walls of the front side and the rear side in the assembly port (51), elastic pieces (53) are connected to the left side and the right side of the connecting plates (52), and the other ends of the elastic pieces (53) are connected with the inner walls of the assembly port (51).
4. A localized softening device for automotive thermoformed parts in accordance with claim 1 wherein: one side of the shell (1) is detachably provided with a sealing shell door (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502591.7A CN114908237B (en) | 2022-05-10 | 2022-05-10 | Local softening device of automobile thermoforming part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502591.7A CN114908237B (en) | 2022-05-10 | 2022-05-10 | Local softening device of automobile thermoforming part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114908237A CN114908237A (en) | 2022-08-16 |
| CN114908237B true CN114908237B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210502591.7A Active CN114908237B (en) | 2022-05-10 | 2022-05-10 | Local softening device of automobile thermoforming part |
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