CN118367413B

CN118367413B - Silver-tin injection device for connecting carbon fiber heating wire harness with metal wire and process thereof

Info

Publication number: CN118367413B
Application number: CN202410800546.9A
Authority: CN
Inventors: 张庙龙; 石佳; 石松林; 易华勇
Original assignee: Beijing Jiajieneng Technology Co ltd
Current assignee: Beijing Jiajieneng Technology Co ltd
Priority date: 2024-06-20
Filing date: 2024-06-20
Publication date: 2024-08-30
Anticipated expiration: 2044-06-20
Also published as: CN118367413A

Abstract

The application provides a silver tin injection device for connecting a carbon fiber heating wire harness with a metal wire and a process thereof, which belong to the technical field of wire connection and comprise a supporting seat, wherein a first die is fixedly connected to the supporting seat, a second die is hinged to the first die, a supporting frame is arranged on the second die, a marking component is arranged on the first die, a third die is connected in the middle of the second die in a sliding manner, a fixing frame is welded on the third die, a limiting block is arranged on the fixing frame in a sliding manner, a spring is connected between the limiting block and the fixing frame, a first supporting component is connected to the limiting block, and a first connecting plate is arranged on the fixing frame. The application solves the problems that the existing device can not adjust the injection position in real time according to the position of the needed connection and can not ensure that the position of the internal filling part is kept stable in the adjusting process.

Description

Silver-tin injection device for connecting carbon fiber heating wire harness with metal wire and process thereof

Technical Field

The invention relates to the technical field of wire connection, in particular to a silver-tin injection device for connecting a carbon fiber heating wire harness with a metal wire.

Background

In the conventional electric heating apparatus, in order to connect a carbon fiber heating wire harness to a metal wire, welding, mechanical clamping, and the like are generally adopted. However, these conventional connection methods have the disadvantages of poor connection reliability, easy oxidation, large resistance, slow heat transfer and the like, and affect the heating efficiency and the service life.

For example, publication number CN117140844A discloses a pencil assembly injection mold, when the start control motor, can drive lift movable block and last mould through lift double-screw bolt, synchronous pulley, synchronous belt and reciprocate and open the mould or compound die, when lift movable block reciprocates, can drive sealed movable plate through wire rope, around the rope sheave, the drive bull stick, fixed sleeve, torsion spring, driving bevel gear, driven bevel gear, vertical screw, connection movable plate, movable rod and reciprocate, carry out automatic discharge with the shaping product ejecting, realized can no longer need the manual work to control at the in-process of unloading purpose for the device is more automatic, and easy operation, convenient to use, the practicality is good. The above-mentioned device, though can realize the pencil and connect and take off the function of material voluntarily, when using, can not form stable connection, can not form conductive effect when connecting to current pencil connecting device can not adjust injection position in real time according to the position of required connection, and can not guarantee that inside filling member position remains stable at the in-process of adjusting.

Disclosure of Invention

The present invention has been made in view of the problems occurring in the conventional metal wire connecting device.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a silver tin injection device that carbon fiber pencil that generates heat and metal wire are connected, includes the supporting seat, fixedly connected with first mould on the supporting seat, articulated have the second mould on the first mould, install the support frame on the second mould, install mark subassembly on the first mould, the centre sliding connection of second mould has the third mould, the welding has the mount on the third mould, slidable mounting has the stopper on the mount, be connected with the spring between stopper and the mount, be connected with first supporting component on the stopper, install first joint board on the mount, install second supporting component on first joint board, install the sprue on support frame, first supporting component and the first joint board, be provided with the recess in the third mould, install the pipeline in the sprue, be provided with the filling component in the first mould, the wire body is located the filling component.

As a preferential scheme of the invention, the second die is of a split structure, and the second die and the supporting frame are integrally formed.

As a preferential scheme of the invention, the second die is provided with a chute, a guide rail is slidably arranged in the chute, the guide rail is fixedly connected with the third die, the guide rail is symmetrically distributed on the left side and the right side of the third die, and the depth of the chute is larger than the height of the guide rail.

As a preferential scheme of the invention, the marking component comprises a moving groove which is arranged on the first die, a sliding block is arranged in the moving groove in a sliding way, a first connecting plate is hinged on the sliding block, and a second connecting plate is fixedly connected on the first connecting plate.

As a preferential scheme of the invention, the second connecting plate is internally penetrated with a marking rod, and the central axis of the marking rod is mutually perpendicular to the central axis of the first die.

As a preferential scheme of the invention, the first supporting component comprises a first pipe sleeve fixedly connected to the limiting block, a first sliding plate is connected in a sliding manner in the first pipe sleeve, a fixed plate is fixedly arranged on the first sliding plate, a second sliding plate is fixedly connected on the fixed plate, a second pipe sleeve is attached to the outer side of the second sliding plate, and the second pipe sleeve is in sliding connection with the fixed frame.

As a preferred embodiment of the present invention, the second connector plate is provided with a first grip, and the third mold, the fixing frame, the first connector plate and the second connector plate are integrally formed.

As a preferential scheme of the invention, the second supporting component comprises a ball rotatably arranged on the supporting frame, a first ball shaft is rotatably arranged in the fixed plate, a connecting block is fixedly connected to the first ball shaft, a second ball shaft is fixedly arranged on the connecting block, the second ball shaft is rotatably arranged in the first connecting plate, a second grab handle is fixedly arranged on the second ball shaft, a stop block is fixedly connected to the first connecting plate, and the fixed plate is suitable for moving downwards when the second grab handle rotates anticlockwise and is abutted with the ball to drive a third die to move upwards.

As a preferential scheme of the invention, the filling assembly comprises a first filling block which is mounted in the first die in a fitting way, a mounting groove is formed in the first filling block, a mounting block is mounted in the mounting groove in a fitting way, and a second filling block is fixedly connected above the mounting block.

A silver-tin injection process for connecting a carbon fiber heating wire harness with a metal wire comprises the following steps:

s1: pretreating a carbon fiber heating wire harness: cutting the carbon fiber heating wire harness to a proper length, removing insulating layers at two ends of the wire harness, and exposing the carbon fiber core. Simultaneously, peeling the metal wire to expose the wire core;

S2: the peeled carbon fiber is inserted with copper wires, and the carbon fiber is not coated with silver and tin due to the material characteristics, so that the tin injection is firmer and the conductivity is better;

s3: the carbon fiber with the copper wire inserted is connected with the metal wire at the other end through terminal pressing, and because the conventional terminal machine is tightly pressed, the terminal mechanism of the device is subjected to process research and development transformation, and a gap is reserved on the pressed terminal, so that silver tin can be filled in the terminal at the back, and the connection conductivity of the carbon fiber and the metal wire harness is more stable;

s4: the pressed terminal carbon fiber wire harness and the metal wire harness are placed in a standard customized wire harness jig, so that the positions of the terminal connected with the wire harness and the jig are accurate, and effective fixation is performed;

S5: preheating the terminal at the joint of the carbon fiber harness and the metal harness, wherein the preheating comprises the preheating of the terminal and the ensuring temperature of the terminal;

s6: tin injection: the soldering bit moves to a designated position and contacts with the surface of the terminal, the surface of the terminal is heated to generate heat, tin fills the whole terminal, and when tin fills the terminal, the terminal fixing jig is instantly solidified due to the characteristics of the jig because of the material characteristics, corrosion resistance, high temperature resistance and tin overflow and underflow, so that the tin filling process requirement is met;

S7: detecting and debugging: and detecting the electrical performance and the mechanical performance of the manufactured carbon fiber heating wire harness and the metal wire jig, and ensuring that the manufactured carbon fiber heating wire harness meets the design requirements.

Compared with the prior art, the invention has the beneficial effects that:

1. Through first mould, second mould and the third mould that set up, the device can put into first mould and second mould with the wire when using in, establishes the filling component through the outside cover at the wire for the device can carry out silver tin pouring work to the specific region of wire, guarantees to form stable the connection between metal wire and the carbon fiber pencil that generates heat, has solved current wire connecting device and has not had the problem of stable connection wire and carbon fiber pencil that generates heat, and the device can form conductive effect when connecting.

2. Through third mould, spout and the guide rail on the device for the device can utilize spout and guide rail to adjust the position of third mould, so that follow-up carry out position control work to the mould filler on the third mould, thereby carry out adaptability according to the position of required injection silver tin and adjust, strengthened the adjustability of device, solved current wire connecting device and can not be according to the problem of the position real-time adjustment injection position of required connection.

3. Through first supporting component and the second supporting component that sets up, when the anticlockwise rotation of second grab handle on the second supporting component arrives the vertical state, can push down the fixed plate for the fixed plate supports the ball on the support frame, and utilizes the ball to support itself, make the fixed plate prop up first joint board and mount and third mould, thereby make the device after accomplishing the silver tin injection of a position, make fashioned silver tin can be with the automatic drawing of patterns of third mould, avoid the third mould to support the filling subassembly and drive the filling subassembly and remove when adjusting self position, guarantee the stability of device during operation, and keep the silver tin position accuracy of injection.

4. Through the filling component and the marking component that set up, the clearance position of filling component is recorded through the marking component to confirm the position of required filling silver tin, make the device can accurately switch silver tin injection position when covering second mould and third mould, strengthened the accuracy of device during operation.

5. The process is simple and feasible, the reliable connection between the carbon fiber heating wire harness and the metal wire can be realized, and the heating efficiency and the service life of the heating equipment are improved. Meanwhile, by means of silver-tin injection, the conductivity and heat resistance of connection can be enhanced, and oxidation and resistance are reduced. In addition, the manufacturing method of the invention can be widely applied to various heating equipment, and has wide market prospect and practical value.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art. Wherein:

FIG. 1 is a schematic diagram of the overall structure of a silver tin injection device for connecting a carbon fiber heating wire harness with a metal wire;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1;

FIG. 5 is a schematic view showing a second handle in an inclined state according to the present invention;

FIG. 6 is a schematic view of the second handle of the present invention in a vertical position;

FIG. 7 is a schematic view of a first support assembly of the present invention;

FIG. 8 is a schematic view of the second mold in the unfolded state structure of the present invention;

FIG. 9 is an enlarged schematic view of the structure at D in FIG. 8;

FIG. 10 is a schematic view of the rail and third die attachment configuration of the present invention;

FIG. 11 is a schematic view of a third die and pipe connection configuration of the present invention;

FIG. 12 is a schematic view of the connection structure of the first filler block and the second filler block of the present invention;

fig. 13 is a schematic view showing a split structure of the first filler and the second filler according to the present invention.

Reference numerals: 1. a support base; 2. a first mold; 3. a second mold; 4. a support frame; 5. a marking assembly; 501. a moving groove; 502. a slide block; 503. a first connection plate; 504. a second connecting plate; 6. a marking rod; 7. a sprue; 8. a wire body; 9. a chute; 10. a guide rail; 11. a third mold; 12. a fixing frame; 13. a spring; 14. a limiting block; 15. a first support assembly; 1501. a first tube sleeve; 1502. a first slide plate; 1503. a fixing plate; 1504. a second slide plate; 1505. a second sleeve; 16. a first connector plate; 17. a second connector plate; 18. a first handle; 19. a second support assembly; 1901. a ball; 1902. a first ball axle; 1903. a joint block; 1904. a second ball axle; 1905. a stop block; 1906. a second handle; 20. a groove; 21. a pipe; 22. a filling assembly; 2201. a first filler block; 2202. a mounting groove; 2203. a mounting block; 2204. and a second filling block.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Examples

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 13, the silver-tin injection device for connecting a carbon fiber heating wire harness with a metal wire comprises a supporting seat 1, wherein a first die 2 is fixedly connected to the supporting seat 1, a second die 3 is hinged to the first die 2, a supporting frame 4 is arranged on the second die 3, the supporting frame 4 enables the whole second die 3 to rotate on the first die 2 so as to enable the silver-tin to be injected into the wire connection part when the second die 3 is closed later, a marking component 5 is arranged on the first die 2, the marking component 5 can mark a plurality of positions requiring silver-tin injection in advance so as to enable the positions requiring silver-tin injection to be switched when the second die 3 is closed later, a third die 11 is connected in a sliding manner in the middle of the second die 3, and the third die 11 in sliding connection can switch the positions injecting silver-tin when the third die 11 slides to the position of the second die, so that a plurality of positions of wires are connected, the convenience of the device in use is enhanced, the fixing frame 12 is welded on the third die 11, the limiting block 14 is slidably arranged on the fixing frame 12, the spring 13 is connected between the limiting block 14 and the fixing frame 12, the spring 13 ensures that the limiting block 14 is always positioned at the uppermost part of the fixing frame 12 when not stressed, the limiting block 14 is connected with the first supporting component 15, the fixing frame 12 is provided with the first connecting plate 16, the first connecting plate 16 is provided with the second connecting plate 17, the supporting frame 4, the first supporting component 15 and the first connecting plate 16 are provided with the second supporting component 19, the first supporting component 15 is matched with the second supporting component 19 so that the third die 11 on the device can keep in a supporting state in the moving process, the next injection position can be adjusted after one silver tin injection is finished later, the third die 11 can be lifted during the moving process to realize the function of automatic demoulding, the third mould 11 is provided with a sprue 7, a groove 20 is arranged in the third mould 11, a pipeline 21 is arranged in the sprue 7, a filling component 22 is arranged in the first mould 2, the lead body 8 is positioned in the filling component 22, and the filling component 22 is used for sealing a part of the lead body 8 which is not required to be filled with silver tin, so that the silver tin is filled in a specific position for conducting and connecting.

In this embodiment, the second mold 3 is of a split structure, the second mold 3 and the support frame 4 are integrally formed, and the left and right parts of the second mold 3 are connected through the support frame 4 so as to switch the position of the injected silver tin subsequently.

In this embodiment, the second mold 3 is provided with a chute 9, a guide rail 10 is slidably mounted in the chute 9, the guide rail 10 is fixedly connected with the third mold 11, the guide rail 10 is symmetrically distributed on the left side and the right side of the third mold 11, the depth of the chute 9 is greater than the height of the guide rail 10, the position of the third mold 11 can be adjusted by the chute 9 and the guide rail 10, and the third mold 11 can also move longitudinally so as to be quickly demolded after silver tin is injected.

In this embodiment, the marking component 5 includes a moving slot 501 provided on the first mold 2, a slider 502 is slidably mounted in the moving slot 501, a first connecting plate 503 is hinged on the slider 502, a second connecting plate 504 is fixedly connected on the first connecting plate 503, the first connecting plate 503 and the second connecting plate 504 can be folded on the slider 502, and the slider 502 can slide in the moving slot 501 so as to mark the position where the wire needs to be connected subsequently.

In this embodiment, the second connecting plate 504 is internally provided with the marking rod 6 in a penetrating manner, the central axis of the marking rod 6 is perpendicular to the central axis of the first mold 2, so that the marking rod 6 can be aligned to the injection port after moving to a proper position, and silver tin is injected into the connection position of the wires, so that the connection function is realized subsequently and the conductive function is realized simultaneously.

In this embodiment, the first support assembly 15 includes a first pipe sleeve 1501 fixedly connected to the limiting block 14, a first sliding plate 1502 is slidably connected to the first pipe sleeve 1501, a fixed plate 1503 is fixedly arranged on the first sliding plate 1502, a second sliding plate 1504 is fixedly connected to the fixed plate 1503, a second pipe sleeve 1505 is attached to the outer side of the second sliding plate 1504, the second pipe sleeve 1505 is slidably connected to the fixed frame 12, the first support assembly 15 facilitates the subsequent whole supporting of the first support assembly 15 when the limiting block 14 moves downwards, so that the automatic demolding function is realized while the injection position is adjusted, and since the fixed plate 1503 slides in the first pipe sleeve 1501 and the second pipe sleeve 1505 through the first sliding plate 1502 and the second sliding plate 1504 when the first support assembly 15 moves longitudinally, the automatic demolding is performed while the silver tin injection position is changed conveniently.

In this embodiment, the first handle 18 is installed on the second connecting plate 17, the third mold 11, the fixing frame 12, the first connecting plate 16 and the second connecting plate 17 are integrated, the stability of the whole device is ensured, and the first handle 18 enables the device to conveniently move and switch the silver tin injection position after demolding.

In this embodiment, the second support assembly 19 includes a ball 1901 rotatably mounted on the support frame 4, a first ball shaft 1902 is rotatably disposed in the fixed plate 1503, a connecting block 1903 is fixedly connected to the first ball shaft 1902, a second ball shaft 1904 is fixedly disposed on the connecting block 1903, the second ball shaft 1904 is rotatably mounted in the first connecting plate 16, a second handle 1906 is fixedly disposed on the second ball shaft 1904, a stop block 1905 is fixedly connected to the first connecting plate 16, and when the second handle 1906 is pushed, the second handle can be abutted against the stop block 1905, at this time, the first ball shaft 1902, the connecting block 1903 and the second ball shaft 1904 rotate, so that the fixed plate 1503 is supported, and at the same time, the fixed plate 1503 is abutted against the ball 1901 and integrally supports the fixed plate 1503 and the first connecting plate 16, so as to realize the function of automatic demolding while switching the silver tin injection positions.

In this embodiment, the fixing plate 1503 is adapted to move downward when the second handle 1906 rotates counterclockwise, to abut against the balls 1901 and drive the third mold 11 to move upward, and when the third mold 11 is lifted, the demolding function can be achieved, and the third mold 11 can be ensured to move with low resistance, thereby achieving the function of demolding and changing the injection position.

In this embodiment, the filling assembly 22 includes a first filling block 2201 that is mounted in the first mold 2 in a fitting manner, a mounting groove 2202 is formed in the first filling block 2201, a mounting block 2203 is mounted in the mounting groove 2202 in a fitting manner, a second filling block 2204 is fixedly connected to the upper portion of the mounting block 2203, and the distribution state of the first filling block 2201 and the second filling block 2204 in the mold is changed, so that the position of silver tin required to be injected into the device is changed, and the adaptability of the device is enhanced.

The silver-tin injection device for connecting the carbon fiber heating wire harness with the metal wire comprises the following steps of: cutting the carbon fiber heating wire harness to a proper length, removing insulating layers at two ends of the wire harness, and exposing the carbon fiber core. And simultaneously, peeling the metal wire to expose the wire core. The peeled carbon fiber is inserted with copper wires, and the carbon fiber is not coated with silver and tin due to the material characteristics, so that the tin injection is firmer and the conductivity is better; the carbon fiber with the copper wire inserted is connected with the metal wire at the other end through terminal pressing, and because the conventional terminal machine is tightly pressed, the terminal mechanism of the device is subjected to process research and development transformation, and a gap is reserved on the pressed terminal, so that silver tin can be filled in the terminal at the back, and the connection conductivity of the carbon fiber and the metal wire harness is more stable;

The pressed terminal carbon fiber wire harness and the metal wire harness are placed in a standard customized wire harness jig, so that the positions of the terminal connected with the wire harness and the jig are accurate, and effective fixation is performed; preheating the terminal at the joint of the carbon fiber harness and the metal harness, wherein the preheating comprises the preheating of the terminal and the ensuring temperature of the terminal; tin injection: the soldering bit moves to a designated position and contacts with the surface of the terminal, the surface of the terminal is heated to generate heat, tin fills the whole terminal, and when tin fills the terminal, the terminal fixing jig is instantly solidified due to the characteristics of the jig because of the material characteristics, corrosion resistance, high temperature resistance and tin overflow and underflow, so that the tin filling process requirement is met; detecting and debugging: and detecting the electrical performance and the mechanical performance of the manufactured carbon fiber heating wire harness and the metal wire jig, and ensuring that the manufactured carbon fiber heating wire harness meets the design requirements.

The support base 1 is used for supporting the first mold 2, as shown in fig. 1 and 8-13, the filling assembly 22 is installed on the outer side of the wire body 8 when the device is in operation, a gap is reserved between the adjacent filling assemblies 22, as can be seen in connection with fig. 12, a gap is reserved between the two groups of first filling blocks 2201 and the second filling blocks 2204, silver tin can be injected into the position where the wire body 8 needs to be connected, after the corresponding gap is reserved, the positions of the sliding block 502, the first connecting plate 503 and the second connecting plate 504 can be adjusted through the moving groove 501 on the marking assembly 5, the positions of the first connecting plate 503 and the second connecting plate 504 are marked according to the groove 20 on the second mold 3 and the groove 20 on the third mold 11, the positions of the first mold 2 are marked by aligning the first connecting plate 503 with the gap between the two groups of first filling blocks 2201 and the second filling blocks 2204, the mounting groove 2203 is used for butting the first filling blocks 2201 and the second filling blocks 2204, after the distribution mode of the first filling blocks 2201 and the second filling blocks 2204 is adjusted, the second mold 3 is closed, the positions of the top of the first mold 2, the positions of the first mold 2 and the second mold 2 are marked according to the groove 20 on the marking assembly are marked, the positions of the silver is left after the positions of the first mold 11 and the positions of the wire is marked according to the positions are different from the positions of the previous filling positions of the wire.

As shown in fig. 1-11, by installing the pipe 21 on the sprue 7, the gap between the wire body 8 and the third mold 11 can be filled with silver tin, after filling at one position is completed, after the silver tin is cooled, the third mold 11 can be moved to the position where silver tin is required to be injected next, by stirring the second handle 1906 counterclockwise, when the second handle 1906 is pushed to be vertical, the first handle 18 and the second handle 1906 are parallel, at this time, the second handle 1906 abuts against the stop 1905, at this time, the first ball shaft 1902, the engagement block 1903 and the second ball shaft 1904 are rotated counterclockwise, so that the fixed plate 1503 is pushed downward, the first slide 1502 and the second slide 1504 on the fixed plate 1503 slide in the first sleeve 1501 and the second sleeve 1505, at the same time, the fixed plate 1503 abuts against the balls 1901 and integrally supports the fixed plate 1503 and the first engagement plate 16, at this time, the third mold 11 is supported, as shown in fig. 9, the guide rail 10 moves longitudinally in the chute 9, at this time, moves to the appropriate position again, and automatically supports the silver tin at the appropriate position, at this time, and automatically returns to the position 15, and the spring assembly is reset, at this time, and the spring assembly is replaced by the position is replaced by tin 15.

Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. Silver tin injection device that carbon fiber pencil that generates heat and metal wire are connected, including supporting seat (1), its characterized in that: the utility model discloses a filling device, including support seat (1), first mould (2) of fixedly connected with, articulated on first mould (2) have second mould (3), install support frame (4) on second mould (3), install mark subassembly (5) on first mould (2), the centre sliding connection of second mould (3) has third mould (11), welding has mount (12) on third mould (11), slidable mounting has stopper (14) on mount (12), be connected with spring (13) between stopper (14) and the mount (12), be connected with first supporting component (15) on stopper (14), install first joint board (16) on mount (12), install second joint board (17) on first joint board (16), install second supporting component (19) on support frame (4), first supporting component (15) and first joint board (16), set up on third mould (11) and put up mouth (7), be provided with in third mould (11) recess (21) in the first mould (20), the lead body (8) is positioned in the filling assembly (22);

the marking assembly (5) comprises a moving groove (501) which is formed in the first die (2), a sliding block (502) is slidably arranged in the moving groove (501), a first connecting plate (503) is hinged on the sliding block (502), and a second connecting plate (504) is fixedly connected on the first connecting plate (503);

A marking rod (6) is arranged in the second connecting plate (504) in a penetrating way, and the central axis of the marking rod (6) is perpendicular to the central axis of the first die (2);

The first support assembly (15) comprises a first pipe sleeve (1501) fixedly connected to the limiting block (14), a first sliding plate (1502) is connected in a sliding mode in the first pipe sleeve (1501), a fixed plate (1503) is fixedly arranged on the first sliding plate (1502), a second sliding plate (1504) is fixedly connected on the fixed plate (1503), a second pipe sleeve (1505) is attached to the outer side of the second sliding plate (1504), and the second pipe sleeve (1505) is connected with the fixing frame (12) in a sliding mode;

The second support assembly (19) comprises a ball (1901) rotatably mounted on the support frame (4), a first ball shaft (1902) is rotatably arranged on the fixed plate (1503), a connecting block (1903) is fixedly connected to the first ball shaft (1902), a second ball shaft (1904) is fixedly arranged on the connecting block (1903), the second ball shaft (1904) is rotatably mounted in the first connecting plate (16), a second grab handle (1906) is fixedly arranged on the second ball shaft (1904), a stop block (1905) is fixedly connected to the first connecting plate (16), and the fixed plate (1503) is suitable for downwards moving and abutting against the ball (1901) and driving a third die (11) to upwards move when the second grab handle (1906) rotates anticlockwise.

2. The silver-tin injection device for connecting a carbon fiber heating wire bundle with a metal wire according to claim 1, wherein: the second die (3) is of a split structure, and the second die (3) and the supporting frame (4) are integrally formed.

3. The silver-tin injection device for connecting a carbon fiber heating wire bundle with a metal wire according to claim 1, wherein: the second die (3) is provided with a sliding groove (9), a guide rail (10) is slidably installed in the sliding groove (9), the guide rail (10) and the third die (11) are fixedly connected, the guide rail (10) is symmetrically distributed on the left side and the right side of the third die (11), and the depth of the sliding groove (9) is larger than the height of the guide rail (10).

4. The silver-tin injection device for connecting a carbon fiber heating wire bundle with a metal wire according to claim 1, wherein: the second connecting plate (17) is provided with a first grab handle (18), and the third mould (11), the fixing frame (12), the first connecting plate (16) and the second connecting plate (17) are integrated.

5. The silver-tin injection device for connecting a carbon fiber heating wire bundle with a metal wire according to claim 1, wherein: the filling assembly (22) comprises a first filling block (2201) which is installed in the first die (2) in a fitting mode, a mounting groove (2202) is formed in the first filling block (2201), a mounting block (2203) is arranged in the mounting groove (2202) in a fitting mode, and a second filling block (2204) is fixedly connected to the upper portion of the mounting block (2203).

6. A silver-tin injection process for connecting a carbon fiber heating wire harness with a metal wire, which adopts the silver-tin injection device for connecting the carbon fiber heating wire harness with the metal wire according to claim 1, and is characterized by comprising the following steps:

S1: pretreating a carbon fiber heating wire harness: cutting the carbon fiber heating wire harness to a proper length, removing insulating layers at two ends of the wire harness to expose a carbon fiber core, and peeling the metal wire to expose a wire core;