Lateral core pulling device and machining method thereof

Abstract

The invention relates to the technical field of injection molds, and discloses a lateral core-pulling device and a processing method thereof.A first mold body and a second mold body are arranged in a relative sliding mode, a sliding groove and an injection molding cavity are formed in the side, facing the second mold body, of the first mold body, the injection molding cavity and a driving part are oppositely arranged on the two sides of the sliding groove, and the second mold body is provided with an injection molding opening; the injection molding opening communicates with the injection molding cavity; the sliding block comprises a sliding block main body and a cover body, the cover body is detachably connected with the sliding block main body, the sliding block main body is slidably connected to the sliding groove, the sliding block main body is provided with a positioning opening and a cover opening which are communicated with each other, the positioning opening faces the injection molding cavity, the cover opening faces the second mold body, and the cover body covers the cover opening to form a positioning groove; the driving piece is connected to the first die body and is in transmission connection with the sliding block body. According to the lateral core pulling device and the machining method thereof, burrs are prevented from being formed at the glue sealing position of the copper bar, the film pressing risk is avoided, meanwhile, the machining difficulty of the sliding block is reduced, and the risk that the surface of the copper bar is strained is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of injection molds, in particular to a lateral core pulling device and a processing method thereof. Background Art

[0002] New energy vehicles are developing rapidly. In recent years, the demand for copper bar injection products used in new energy vehicles has exploded. When the existing copper bar products are injected by lateral core-pulling, a hole in the shape of the copper bar is machined on the slider, and the product is core-pulled and demoulded by using an inclined guide column or a cylinder as the power in the direction of movement on the slider.

[0003] In the prior art, the connecting end of the copper bar needs to be inserted into the plug hole of the slider before injection molding, but there is a risk of die pressing because the insertion position of the copper bar is inconsistent with the center of the plug hole. In order to avoid the risk of die pressing, the size of the plug hole on the slider is increased, resulting in the formation of a flash at the seal of the copper bar after injection molding. At the same time, the plug hole of the slider is a blind hole, which is difficult to process. During the injection molding process, the slider and the copper bar need to move relative to each other twice, increasing the risk of strain on the electroplated surface of the copper bar. Summary of the invention

[0004] The invention aims to solve at least one of the technical problems existing in the prior art. The invention provides a lateral core pulling device and a processing method thereof, which can avoid the formation of burrs at the sealing part of the copper bar and the risk of film pressing, and at the same time, reduce the processing difficulty of the slider and reduce the risk of scratching the surface of the copper bar.

[0005] In order to achieve the above-mentioned object, the present invention provides a lateral core pulling device, comprising a first mold body, a second mold body, a slider and a driving member;

[0006] The first mold body and the second mold body are arranged to slide relative to each other, a sliding groove and an injection cavity are provided on one side of the first mold body facing the second mold body, the injection cavity and the driving member are arranged on both sides of the sliding groove relative to each other, and the second mold body is provided with an injection port, and the injection port is communicated with the injection cavity;

[0007] The slider includes a slider body and a cover body, the cover body is detachably connected to the slider body, the slider body is slidably connected to the sliding groove, the slider body is provided with a positioning port and a cover port that are interconnected, the positioning port faces the injection cavity, the cover port is arranged toward the second mold body, and the cover body is arranged on the cover port to form a positioning groove;

[0008] The driving member is connected to the first mold body, and the driving member is transmission-connected to the slider body.

[0009] As a preferred solution, the cover body is connected to the slider body via a magnet.

[0010] As a preferred solution, the slider has a copper bar assembly state. When the slider is in the copper bar assembly state, the driving member drives the slider body to move toward the injection cavity, and the cover body is separated from the slider body.

[0011] As a preferred solution, the slider further includes a seat body, and a plurality of slider bodies are provided, and a side of the plurality of slider bodies facing away from the positioning groove is connected to the seat body, and the driving member is connected to the seat body.

[0012] As a preferred solution, the extension direction of the seat body is perpendicular to the sliding direction of the slider body, and a plurality of slider bodies are arranged at intervals along the extension direction of the seat body.

[0013] As a preferred embodiment, the cover body includes a cover body portion and a connecting portion, one end of the cover body portion is connected to the connecting portion, both sides of the connecting portion protrude from the cover body portion, the slider body is provided with a connecting groove, the cover body portion is covered on the cover opening, and the cover body portion is clamped in the connecting groove.

[0014] A processing method for a lateral core pulling device, wherein a copper bar is injection molded by the lateral core pulling device, wherein the copper bar comprises a copper bar body and a connecting end, one end of the connecting end is connected to the copper bar body to form a whole, and a plastic layer is injection molded on the outer periphery of the copper bar body, comprising the following steps:

[0015] The assembly steps of the copper bar and the slider are as follows: before injection molding of the copper bar, the first mold body and the second mold body are separated, the driving member drives the slider body to move toward the injection molding cavity to the injection molding position, the slider body is in an open state, the connecting end is placed into the positioning groove from the cover, one end of the connecting end extends out of the positioning opening into the injection molding cavity, the copper bar body is placed in the injection molding cavity, the cover body is covered on the cover, and the assembly of the copper bar and the slider before injection molding is completed.

[0016] As a preferred embodiment, after the step of assembling the copper busbar and the slider, a step of injection molding the copper busbar is further included, wherein the first mold body and the second mold body are moved relatively close to each other for closing the mold, and the raw material of the plastic layer is injected into the injection port. The raw material enters the injection cavity and forms the plastic layer on the periphery of the copper busbar body, thereby completing the injection molding of the copper busbar.

[0017] As a preferred embodiment, after the copper busbar injection molding step, a mold opening step is also included, wherein the first mold body and the second mold body move away from each other to open the injection cavity, the driving member drives the slider body and the cover body to move away from the injection cavity, the connecting end disengages from the positioning groove, and the cover body is taken out from the slider body.

[0018] As a preferred embodiment, after the mold opening step, a product removal step is also included, wherein the first mold body has an ejector pin that can move up and down along the height direction of the first mold body, one end of the ejector pin is located at the corresponding lower part of the copper bar, and the ejector pin moves toward the copper bar body to eject the copper bar body, and the ejector pin is reset.

[0019] Compared with the prior art, the lateral core pulling device and the processing method thereof according to the embodiment of the present invention have the following beneficial effects: the slider includes a slider body and a cover body. By arranging the slider in a split type, the structures of the slider body and the cover body are both open structures, which reduces the processing difficulty of the slider. When the driving member drives the slider body to move to the injection molding position, the slider body is assembled with the copper bar, which reduces the number of relative sliding between the connecting end of the copper bar and the slider, and reduces the risk of scratching the surface of the copper bar. When the copper bar and the slider are assembled before injection molding, the slider body is in an open state, the connecting end of the copper bar is placed in the positioning groove from the cover opening, and one end of the connecting end extends out of the injection molding cavity from the positioning opening. After the connecting end is positioned, the copper bar body is placed in the injection molding cavity, and then the cover body is covered on the cover opening so that the connecting end is surrounded by the positioning groove, thereby avoiding the risk of compression molding due to the inconsistency between the insertion position of the copper bar and the center of the jack. At the same time, since there is no risk of die pressing, there is no need to enlarge the size of the positioning groove. The shape of the positioning groove corresponds to the shape of the connecting end of the copper busbar. The connection between the positioning groove and the connecting end of the copper busbar has a high degree of connection matching, thereby avoiding the problem of burring at the sealing part of the copper busbar after injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the assembly structure of the slider and the copper busbar according to an embodiment of the present invention.

[0021] Figure 2 It is a schematic structural diagram of a slider according to an embodiment of the present invention.

[0022] Figure 3 It is a schematic diagram of the assembly structure of the slider, the copper bar and the first mold body according to an embodiment of the present invention.

[0023] Figure 4 Embodiment of the present invention Figure 3 Schematic diagram of the enlarged structure at A in FIG.

[0024] Figure 5 It is a schematic structural diagram of the first mold body according to an embodiment of the present invention.

[0025] Figure 6 It is a schematic diagram of the split structure of the copper busbar according to an embodiment of the present invention.

[0026] Figure 7 It is a schematic cross-sectional structure diagram of an embodiment of the present invention.

[0027] Figure 8 It is a schematic diagram of the overall structure of an embodiment of the present invention.

[0028] In the figure:

[0029] 10. first mold body; 11. sliding groove; 12. injection cavity; 13. first limiting part;

[0030] 20. Second mold body; 21. Injection port;

[0031] 30. Slider; 31. Slider body; 32. Positioning opening; 33. Cover opening; 34. Positioning groove; 35. Connecting groove; 36. Cover body; 37. Cover body portion; 38. Connecting portion; 39. Base body; 391. Second limiting portion;

[0032] 40. driving member; 41. ejector pin;

[0033] 50. Copper busbar; 51. Copper busbar body; 52. Connecting end; 53. Plastic layer. DETAILED DESCRIPTION

[0034] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" used in the present invention to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present invention, it should be understood that the terms "connected", "connected", "fixed" and the like used in the present invention should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a welding connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] like Figures 1 to 8 As shown, a lateral core pulling device according to a preferred embodiment of the present invention comprises a first mold body 10, a second mold body 20, a slider 30 and a driving member 40;

[0038] The first mold body 10 and the second mold body 20 are arranged to slide relative to each other. A sliding groove 11 and an injection cavity 12 are provided on the side of the first mold body 10 facing the second mold body 20. The injection cavity 12 and the driving member 40 are arranged on both sides of the sliding groove 11. The second mold body 20 is provided with an injection port 21, and the injection port 21 is connected to the injection cavity 12.

[0039] The slider 30 includes a slider body 31 and a cover body 36. The cover body 36 is detachably connected to the slider body 31. The slider body 31 is slidably connected to the sliding groove 11. The slider body 31 is provided with a positioning opening 32 and a cover opening 33 that are interconnected. The positioning opening 32 faces the injection cavity 12, and the cover opening 33 faces the second mold body 20. The cover body 36 is covered on the cover opening 33 to form a positioning groove 34.

[0040] The driving member 40 is connected to the first mold body 10 , and the driving member 40 is transmission-connected to the slider body 31 .

[0041] In the lateral core pulling device of the present invention, the slider 30 includes a slider body 31 and a cover body 36. By disposing the slider 30 in a split manner, the structures of the slider body 31 and the cover body 36 are both open structures, which reduces the processing difficulty of the slider 30. When the driving member 40 drives the slider body 31 to move to the injection molding position, the slider body 31 is assembled with the copper bar 50, which reduces the number of relative sliding between the connecting end 52 of the copper bar 50 and the slider 30, and reduces the risk of scratching the surface of the copper bar 50. When the copper bar 50 and the slider 30 are assembled before injection molding, the slider body 31 is in an open state, and the connecting end 52 of the copper bar 50 is placed in the positioning groove 34 from the cover 33, and one end of the connecting end 52 extends out of the injection cavity 12 from the positioning groove 32, so that the copper bar body 51 is placed in the injection cavity 12 after the connecting end 52 is positioned, and then the cover body 36 is covered on the cover 33, so that the connecting end 52 is surrounded in the positioning groove 34, thereby avoiding the risk of compression molding due to the inconsistency between the insertion position of the copper bar 50 and the center of the positioning groove 34. At the same time, since there is no risk of compression molding, there is no need to enlarge the size of the positioning groove 34, and the shape of the positioning groove 34 is set corresponding to the shape of the connecting end 52 of the copper bar 50. The connection matching degree between the positioning groove 34 and the connecting end 52 of the copper bar 50 is high, thereby avoiding the problem of flashing at the sealing part of the copper bar 50 after injection molding.

[0042] As one embodiment, the inner wall of the positioning groove 34 is in contact with the outer surface of the connecting end 52 of the copper busbar 50 .

[0043] Furthermore, the cover body 36 is connected to the slider body 31 via a magnet, which is easy to operate and helps to improve the injection molding efficiency.

[0044] Further, such as Figure 3 to Figure 4As shown, the slider 30 has a copper bar 50 placement state. When the slider 30 is in the copper bar 50 assembly state, the driving member 40 drives the slider body 31 to move toward the injection cavity 12, so that the slider 30 actively moves to the injection position, which is convenient for the insertion of the connecting end 52 of the copper bar 50 and the positioning of the connecting end 52 at the injection position. The cover body 36 is separated from the slider body 31, so that the connecting end 52 of the copper bar 50 can be placed in the positioning groove 34 from the cover opening 33, avoiding the relative movement of the slider 30 and the connecting end 52, avoiding the risk of compression molding, and reducing the risk of scratching the surface of the copper bar 50.

[0045] Further, such as Figures 1 to 4 As shown, the slider 30 further includes a seat body 39, a plurality of slider bodies 31 are provided, and the side of the plurality of slider bodies 31 away from the positioning groove 34 is connected to the seat body 39, and the driving member 40 is connected to the seat body 39. The plurality of slider bodies 31 are connected through the seat body 39 to form a slider 30 as a whole, and the driving member 40 is connected to the seat body 39 to drive the plurality of slider bodies 31 to move synchronously, so that the copper busbar 50 having a plurality of connection ends 52 can be injection molded.

[0046] Further, such as Figures 1 to 4 As shown, the extension direction of the seat body 39 is perpendicular to the sliding direction of the slider body 31 , and a plurality of slider bodies 31 are arranged at intervals along the extension direction of the seat body 39 to meet the injection molding processing requirements of the copper busbar 50 with a plurality of connection ends 52 .

[0047] Further, such as Figures 1 to 4 As shown, the cover 36 includes a cover portion 37 and a connecting portion 38, one end of the cover portion 37 is connected to the connecting portion 38, and both sides of the connecting portion 38 protrude from the cover portion 37. The slider body 31 is provided with a connecting groove 35, and the cover portion 37 is covered on the cover opening 33, and the cover portion 37 is clamped in the connecting groove 35. The cover portion 37 is covered on the cover opening 33 and forms a positioning groove 34 with the slider body 31, which is used to accommodate the connecting end 52 of the copper bar 50. The connecting portion 38 is located at one end of the cover 36 away from the injection cavity 12, and the connecting groove 35 is located at one end of the slider body 31 away from the injection cavity 12. The connecting portion 38 is clamped in the connecting groove 35, so that the cover 36 is positioned on the connecting groove 35 and connected to the slider body 31. When the driving member 40 drives the slider body 31 to slide, the cover 36 can move synchronously with the slider body 31.

[0048] As one embodiment, Figures 1 to 4 As shown, the extension direction of the positioning groove 34 is the same as the sliding direction of the slider 30, the extension direction of the connecting groove 35 is perpendicular to the sliding direction of the slider 30, and the connecting portion 38 is snapped into the connecting groove 35 to limit the connecting portion 38 in the sliding direction, thereby achieving synchronous movement of the cover body 36 when the slider 30 slides.

[0049] As one embodiment, Figures 1 to 4 As shown, a first magnet is provided on one side of the connecting portion 38 facing the connecting groove 35, and a second magnet is provided on one side of the connecting groove 35 facing the connecting portion 38. The first magnet and the second magnet are magnetically connected to improve the connection convenience between the connecting portion 38 and the sliding body. Of course, in addition to magnetic attraction, other detachable connection methods can also be realized, such as threaded connection or snap connection.

[0050] As one embodiment, Figures 2 to 5 As shown, the sliding groove 11 is provided with a first limiting portion 13, the first limiting portion 13 is located on the side of the sliding groove 11 facing the injection cavity 12, the first limiting portion 13 protrudes toward the second mold body 20, and the seat body 39 protrudes toward the first mold body 10 to form a second limiting portion 391, the limiting portion slides in the sliding groove 11, and when the slider 30 slides to the injection position, the second limiting portion 391 abuts against the first limiting portion 13 on the side facing the injection cavity 12. The first limiting portion 13 and the second limiting portion 391 are arranged so that the slider body 31 is limited to the injection position, and the connection fit between the slider body 31 and the connecting end 52 is improved.

[0051] A processing method for a lateral core pulling device, such as Figures 1 to 8 As shown, the copper bar 50 is injection molded by a lateral core pulling device, wherein the copper bar 50 includes a copper bar body 51 and a connecting end 52, one end of the connecting end 52 is connected to the copper bar body 51 to form a whole, and the outer periphery of the copper bar body 51 is injection molded to form a plastic layer 53, including the following steps:

[0052] The assembly steps of the copper busbar 50 and the slider 30 are as follows: before the copper busbar 50 is injection molded, the first mold body 10 and the second mold body 20 are separated, and the driving member 40 drives the slider body 31 to move toward the injection cavity 12 to the injection position, the slider body 31 is in an open state, the connecting end 52 is placed into the positioning groove 34 from the cover opening 33, and one end of the connecting end 52 extends out of the positioning opening 32 into the injection cavity 12, the copper busbar body 51 is placed in the injection cavity 12, and the cover body 36 is covered on the cover opening 33, completing the assembly of the copper busbar 50 and the slider 30 before injection molding.

[0053] In the processing method of the lateral core pulling device of the present invention, the first mold body 10 is separated from the second mold body 20, so as to provide an assembly space for the slider body 31 and the copper bar 50 after the slider body 31 moves to the injection molding position. The driving member 40 drives the slider body 31 to move back and forth in the sliding groove 11 toward or away from the injection molding cavity 12. When the slider body 31 moves to the injection molding position toward the injection molding cavity 12, the slider body 31 is in an open state, the cover 33 faces the second mold body 20, and the connecting end 52 can be placed in the positioning groove 34 from the cover 33 and accommodated in the positioning groove 34 to realize the positioning of the connecting end 52. Since the connecting end 52 and the copper bar body 51 are an integral body, one end of the connecting end 52 extends out of the injection molding cavity 12 from the positioning opening 32, and the copper bar body 51 is placed in the injection molding cavity 12. The cover body 36 is covered on the cover 33 to complete the assembly of the copper bar 50 and the slider 30 before injection molding. During the assembly process, the connection end 52 is prevented from sliding relative to each other in the positioning groove 34 of the slider body 31, the number of relative sliding between the connection end 52 of the copper bar 50 and the slider 30 is reduced, and the risk of scratching the surface of the copper bar 50 is reduced. The connection end 52 of the copper bar 50 is placed into the positioning groove 34 from the cover 33, and the connection end 52 is first positioned in the positioning groove 34 and then the copper bar body 51 is placed in the injection molding cavity 12, thereby avoiding the risk of die stamping due to the inconsistency between the insertion position of the copper bar 50 and the center of the jack. At the same time, since there is no die stamping risk, there is no need to enlarge the size of the positioning groove 34, and the shape of the positioning groove 34 corresponds to the shape of the connection end 52 of the copper bar 50. The connection matching degree between the positioning groove 34 and the connection end 52 of the copper bar 50 is high, thereby avoiding the problem of flashing at the sealing part of the copper bar 50 after injection molding.

[0054] Furthermore, after the assembly step of the copper bar 50 and the slider 30, the copper bar 50 injection molding step is also included, the first mold body 10 and the second mold body 20 are relatively close to each other and moved to close the mold, the raw material of the plastic layer 53 is injected at the injection port 21, the raw material enters the injection cavity 12, and the plastic layer 53 is formed on the periphery of the copper bar body 51, and the injection molding of the copper bar 50 is completed. The first mold body 10 and the second mold body 20 are relatively close to each other and moved to close the injection cavity 12, and the raw material is injected from the injection port 21 into the injection cavity 12, so that the raw material forms a plastic layer 53 on the copper bar body 51.

[0055] Furthermore, after the step of injection molding of the copper busbar 50, a mold opening step is also included, in which the first mold body 10 and the second mold body 20 move away from each other to open the injection cavity 12, the driving member 40 drives the slider body 31 and the cover body 36 to move away from the injection cavity 12, the connection end 52 is disengaged from the positioning groove 34, and the cover body 36 is taken out from the slider body 31. The cover body 36 is connected to the slider body 31, so that the driving member 40 drives the slider body 31 to move, and the slider body 31 drives the cover body 36 to move synchronously. Since the slider body 31 moves to the side away from the injection cavity 12, the connection end 52 is disengaged from the positioning groove 34. Since the inner peripheral wall of the positioning groove 34 is attached to the outer peripheral wall of the connection end 52, the assembly matching degree of the positioning groove 34 and the connection end 52 is high, and the edge area of ​​the plastic layer 53 facing the positioning port 32 is not inserted into the positioning port 32, thereby avoiding the problem of flashing at the sealing part of the copper busbar 50 after injection molding.

[0056] Furthermore, after the mold opening step, a product removal step is also included, such as Figure 7 As shown, the first mold body 10 has an ejector pin 41 that can move up and down along the height direction of the first mold body 10, one end of the ejector pin 41 is located at the corresponding lower part of the copper bar 50, and the ejector pin 41 moves toward the copper bar body 51 to eject the copper bar body 51, and the ejector pin 41 is reset. The copper bar body 51 is ejected by the ejector pin 41, so that the copper bar 50 can be taken out after the injection is completed.

[0057] As one embodiment, the ejector pin 41 can be driven to move up and down by a cylinder.

[0058] In summary, the embodiment of the present invention provides a lateral core pulling device and a processing method thereof, wherein the slider 30 includes a slider body 31 and a cover body 36. By disposing the slider 30 in a split manner, the structures of the slider body 31 and the cover body 36 are both open structures, thereby reducing the processing difficulty of the slider 30. When the driving member 40 drives the slider body 31 to move to the injection molding position, the slider body 31 is assembled with the copper bar 50, thereby reducing the number of relative sliding between the connecting end 52 of the copper bar 50 and the slider 30, thereby reducing the risk of scratching the surface of the copper bar 50. When the copper bar 50 and the slider 30 are assembled before injection molding, the slider body 31 is in an open state, and the connecting end 52 of the copper bar 50 is placed in the positioning groove 34 from the cover 33, and one end of the connecting end 52 extends out of the injection cavity 12 from the positioning groove 32, so that the copper bar body 51 is placed in the injection cavity 12 after the connecting end 52 is positioned, and then the cover body 36 is covered on the cover 33, so that the connecting end 52 is surrounded in the positioning groove 34, thereby avoiding the risk of compression molding due to the inconsistency between the insertion position of the copper bar 50 and the center of the jack. At the same time, since there is no risk of compression molding, there is no need to enlarge the size of the positioning groove 34, and the shape of the positioning groove 34 is set corresponding to the shape of the connecting end 52 of the copper bar 50. The connection matching degree between the positioning groove 34 and the connecting end 52 of the copper bar 50 is high, thereby avoiding the problem of flashing at the sealing of the copper bar 50 after injection molding.

[0059] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A lateral core pulling device, characterized in that: It includes a first mold body, a second mold body, a slider and a driving member; The first mold body and the second mold body are arranged to slide relative to each other, a sliding groove and an injection cavity are provided on one side of the first mold body facing the second mold body, the injection cavity and the driving member are arranged on both sides of the sliding groove relative to each other, and the second mold body is provided with an injection port, and the injection port is communicated with the injection cavity; The slider includes a slider body and a cover body, the cover body is detachably connected to the slider body, the slider body is slidably connected to the sliding groove, the slider body is provided with a positioning port and a cover port that are interconnected, the positioning port faces the injection cavity, the cover port is arranged toward the second mold body, and the cover body is arranged on the cover port to form a positioning groove; The driving member is connected to the first mold body, and the driving member is transmission-connected to the slider body.

2. The lateral core pulling device according to claim 1, characterized in that: The cover body is connected to the slider body through a magnet.

3. The lateral core pulling device according to claim 1, characterized in that: The slider has a copper bar assembly state. When the slider is in the copper bar assembly state, the driving member drives the slider body to move toward the injection cavity, and the cover body is separated from the slider body.

4. The lateral core pulling device according to claim 1, characterized in that: The slider further comprises a seat body, a plurality of slider bodies are provided, a side of the plurality of slider bodies facing away from the positioning groove is connected to the seat body, and the driving member is connected to the seat body.

5. The lateral core pulling device according to claim 4, characterized in that: The extension direction of the seat body is perpendicular to the sliding direction of the slider body, and a plurality of slider bodies are arranged at intervals along the extension direction of the seat body.

6. The lateral core pulling device according to claim 1, characterized in that: The cover body includes a cover body portion and a connecting portion, one end of the cover body portion is connected to the connecting portion, both sides of the connecting portion protrude from the cover body portion, the slider body is provided with a connecting groove, the cover body portion is covered on the cover opening, and the cover body portion is clamped in the connecting groove.

7. A method for processing a lateral core pulling device, characterized in that: The copper bar is injection molded by the lateral core pulling device according to any one of claims 1 to 6, wherein the copper bar comprises a copper bar body and a connecting end, one end of the connecting end is connected to the copper bar body to form a whole, and the outer periphery of the copper bar body is injection molded to form a plastic layer, comprising the following steps: The assembly steps of the copper bar and the slider are as follows: before injection molding of the copper bar, the first mold body and the second mold body are separated, the driving member drives the slider body to move toward the injection molding cavity to the injection molding position, the slider body is in an open state, the connecting end is placed into the positioning groove from the cover, one end of the connecting end extends out of the positioning opening into the injection molding cavity, the copper bar body is placed in the injection molding cavity, the cover body is covered on the cover, and the assembly of the copper bar and the slider before injection molding is completed.

8. The processing method of the lateral core pulling device according to claim 7, characterized in that: After the step of assembling the copper busbar and the slider, a step of injection molding the copper busbar is also included, wherein the first mold body and the second mold body are relatively close and moved to close the mold, and the raw material of the plastic layer is injected into the injection port. The raw material enters the injection cavity and forms the plastic layer on the periphery of the copper busbar body, thereby completing the injection molding of the copper busbar.

9. The processing method of the lateral core pulling device according to claim 8, characterized in that: After the copper busbar injection molding step, a mold opening step is also included, in which the first mold body and the second mold body move away from each other to open the injection cavity, the driving member drives the slider body and the cover body to move in a direction away from the injection cavity, the connecting end is disengaged from the positioning groove, and the cover body is taken out from the slider body.

10. The processing method of the lateral core pulling device according to claim 9, characterized in that: After the mold opening step, the method further includes a product taking out step, wherein the first mold body has an ejector pin which can move up and down along the height direction of the first mold body, one end of the ejector pin is located at the corresponding lower part of the copper bar, the ejector pin moves toward the copper bar body to eject the copper bar body, and the ejector pin is reset.

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