A low-voltage connector injection molding device for an electric motor

Abstract

The present invention relates to the technical field of injection molding equipment, and discloses an injection molding equipment for a low-voltage connector of a motor, including a frame. The upper surface of the frame is fixedly connected with a processing table. An opening is formed in the upper surface of the processing table, and a lower mold is installed in the opening. An installation plate is arranged outside the lower mold, and the lower surface of the installation plate is fixedly connected with the top end of the processing table. An upper mold is installed above the lower mold. Moving cores are installed on both sides of the lower mold. A transmission assembly is installed on the surface of the upper mold, and the transmission assembly is used to drive the vertical movement of the upper mold and the horizontal movement of the moving cores. A U-shaped base is installed below the lower mold. When the first cylinder contracts, it drives the lower mold to descend and incline, so that the low-voltage connector insert slides off, realizing the automatic blanking of the low-voltage connector insert, and thus the demolding can be realized without ejecting the material, effectively preventing the low-voltage connector insert from being damaged during demolding.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molding equipment, and particularly to an injection molding equipment for low-voltage connectors of motors. Background Art

[0002] In new energy vehicles, there are a large number of electrical connectors for signal transmission, such as high-voltage connectors, low-voltage connectors, and high-speed connectors, etc. An electrical connector usually includes a contact for transmitting signals and an electrical connector insert for supporting and fixing the contact. The electrical connector insert is usually made of engineering plastics, so an injection molding machine is usually used for processing and forming. When the traditional injection molding machine processes electrical connector inserts with complex structures, it usually needs to cooperate with a movable core. After the processing is completed, the demolding time needs to be controlled according to the curing situation of the electrical connector insert. If the separation time is too early and the electrical connector insert is not fully cured, deformation or damage will occur. If the separation time is too late, the adhesion force between the movable core and the electrical connector insert may be too strong, resulting in damage to the mold or the electrical connector insert.

[0003] The traditional injection molding machine usually uses the method of ejecting the material for demolding. During the ejecting process, due to the design limitations of the mechanical structure or the deficiencies of the control system, it is often difficult to ensure the stability and consistency of the ejecting action. A large amount of manual intervention and monitoring are often required in the ejecting link, which not only increases the labor cost but also reduces the automation level of the production line. And once an operation error occurs, if the ejecting action is carried out before the movable core is completely separated from the electrical connector insert, it will cause deformation or even rupture of the electrical connector insert. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides an injection molding equipment for low-voltage connectors of motors, which solves the problem of damage to the electrical connector insert caused by inappropriate ejecting operation before the movable core is completely separated from the electrical connector insert.

[0005] To achieve the above object, the present invention is realized by the following technical solutions: A low-voltage connector injection molding device for a motor, including a frame, the upper surface of the frame is fixedly connected with a processing table, an opening is provided on the upper surface of the processing table, a lower mold is installed in the opening, an installation plate is arranged outside the lower mold, the lower surface of the installation plate is fixedly connected with the top end of the processing table, an upper mold is installed above the lower mold, movable cores are installed on both sides of the lower mold, a transmission component is installed on the surface of the upper mold, and the transmission component is used to drive the vertical movement of the upper mold and the horizontal movement of the movable cores. A U-shaped base is installed below the lower mold, one end of the base is rotationally connected with one end of the lower mold through a shaft, a demolding component is installed below the lower mold, and the demolding component includes a cylinder one and a limiting block. The outer wall of the cylinder one is fixedly connected with the upper surface of the frame, the driving end of the cylinder one is fixedly connected with the lower surface of the base, and the bottom end of the limiting block is fixedly connected with the upper surface of the frame.

[0006] Preferably, the demolding component further includes a notch, the notch is provided on the surface of the base, a T-shaped limiting rod is arranged inside the notch, and the top end of the limiting rod is fixedly connected with the lower surface of the lower mold.

[0007] Preferably, the transmission component includes a cylinder two and a lead screw. The outer wall of the cylinder two is fixedly connected with the top end of the frame, the driving end of the cylinder two is fixedly connected with a connecting seat, the bottom end of the connecting seat is fixedly connected with a telescopic rod, and the bottom end of the telescopic rod is fixedly connected with the upper surface of the upper mold. The bottom end of the movable core is slidably connected with the upper surface of the installation plate.

[0008] Preferably, an elastic member is sleeved outside the telescopic rod, the upper mold is in a cross shape, extension arms are symmetrically and fixedly connected to the lower surface of the upper mold, and one end of the lead screw is fixedly connected with the outer wall of the movable core.

[0009] Preferably, a threaded ring is threadedly connected to the outer wall of the lead screw, one end of the threaded ring is rotatably connected with the outer wall of the installation plate, a circular tooth groove is provided on the outer wall of the threaded ring, a strip-shaped tooth groove is provided on the outer side wall of the extension arm, and the circular tooth groove can be meshed and connected with the strip-shaped tooth groove.

[0010] Preferably, the upper mold includes a connection main body, a cleaning port is provided at the center of the connection main body, a T-shaped template is inserted into the cleaning port, and an injection port is provided on the surface of the template.

[0011] Preferably, the cleaning component includes a cleaning tool and a connecting column. The cleaning tool is slidably installed inside the cleaning port, and both ends of the connecting column are fixedly connected with the lower surface of the template and the lower surface of the connecting seat respectively.

[0012] Preferably, one end of the cleaning tool is fixedly connected with a tension spring, and the other end of the tension spring is fixedly installed on the inner side wall of the cleaning port.

[0013] Preferably, the upper surface of the cleaning tool is fixedly connected with a connecting rope, the other end of the connecting rope is fixedly connected with the lower surface of the connecting seat, the connecting rope is arranged through the guiding seat, and the bottom end of the guiding seat is fixedly connected with the upper surface of the template.

[0014] Preferably, positioning columns are symmetrically and fixedly connected to the lower surface of the upper mold, positioning cylinders are inserted on the outer sides of the positioning columns, and the bottom ends of the positioning cylinders are fixedly connected with the upper surface of the mounting plate.

[0015] Working principle: When injection molding is carried out, the cylinder two is controlled to operate by the controller. During processing, the cylinder two extends to drive the connecting seat to descend. The connecting seat drives the upper mold to descend through the telescopic rod, so that the upper mold can descend to abut against the lower mold until the telescopic rod contracts to the minimum amplitude, making the upper mold stably abut against the lower mold. When the upper mold descends, it drives the extension arm to descend. The descent of the extension arm makes the strip-shaped tooth groove and the annular tooth groove meshed and connected, thereby driving the threaded ring to rotate. The rotation of the threaded ring drives the moving core to move towards the lower mold through the cooperation with the lead screw. When the strip-shaped tooth groove and the annular tooth groove are disengaged, the moving core is closely fitted with the lower mold. A cavity for processing the electrical connector insert is formed by the cooperation of the upper mold, the lower mold and the moving core, and then the raw material is injected and waiting for the low-voltage connector insert to be formed and processed.

[0016] After cooling and forming, the cylinder two contracts to drive the telescopic rod to extend. After the telescopic rod extends to the maximum amplitude, it pulls the upper mold to rise. When the upper mold rises, it drives the extension arm to rise. When the strip-shaped tooth groove rises and meshes with the annular tooth groove again, it drives the threaded ring to rotate in the reverse direction, making the moving core slide in the direction away from the lower mold, so that the moving core is separated from the low-voltage connector insert. After separation, the cylinder one contracts, driving the lower mold carrying the low-voltage connector insert to descend. When the lower mold descends, due to the restriction of the limiting block, the lower mold tilts, causing the low-voltage connector insert to slide off, realizing the automatic blanking of the low-voltage connector insert, so that demolding can be achieved without ejecting the material, effectively preventing damage to the low-voltage connector insert during demolding.

[0017] Moreover, when the second cylinder extends to drive the upper mold to press against the lower mold, and when the telescopic rod gradually contracts to the minimum amplitude, the distance between the connecting seat and the cleaning tool decreases at this time, causing the connecting rope to remain loose. The cleaning tool is held on one side of the template under the tension of the tension spring, allowing the template to be inserted into the inside of the cleaning port. During demolding, the second cylinder contracts to drive the telescopic rod to gradually extend. Before the telescopic rod contracts to the maximum amplitude, the elastic member applies a downward pressure to the connecting body, causing the connecting body to remain stationary. With the connecting body stationary, the cleaning tool also remains stationary, while the template rises following the movement of the connecting seat, thus opening the cleaning port to facilitate the subsequent insertion of the cleaning tool. When the connecting seat rises, the cleaning tool is pulled by the connecting rope to slide in the direction of the low-voltage connector insert, and then the residual casting material on the upper surface of the low-voltage connector insert is removed by the cleaning tool, achieving the effect of automatically shearing the residual casting material on the surface of the low-voltage connector insert. When the upper mold rises, the cleaning tool head will automatically insert into the inner wall of the injection port, thereby automatically cleaning the residues inside the injection port.

[0018] The present invention provides a low-voltage connector injection molding device for motors. It has the following beneficial effects:

[0019] 1. When the first cylinder contracts in the present invention, it drives the lower mold to descend and tilt, causing the low-voltage connector insert to slide off, realizing the automatic blanking of the low-voltage connector insert. Thus, demolding can be achieved without ejecting the material, effectively preventing damage to the low-voltage connector insert during demolding.

[0020] 2. In the present invention, the second cylinder expands and contracts to drive the upper mold to lift and lower, and when the upper mold lifts and lowers, it synchronously drives the moving core to slide. Therefore, there is no need for an additional driving force to drive the moving core to move, achieving the effect of reducing the usage cost.

[0021] 3. When the upper mold rises in the present invention, the residual casting material on the upper surface of the low-voltage connector insert is removed by the cleaning tool, achieving the effect of automatically shearing the residual casting material on the surface of the low-voltage connector insert.

[0022] 4. When the upper mold rises in the present invention, the cleaning tool head is inserted into the inner wall of the injection port, thereby automatically cleaning the residues inside the injection port without manual cleaning, reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a perspective view of the present invention;

[0024] Figure 2 is a schematic sectional view of the processing table of the present invention;

[0025] Figure 3 is a schematic structural view of the demolding assembly of the present invention;

[0026] Figure 4 is a schematic structural view of the base and the lower mold of the present invention;

[0027] Figure 5 Schematic diagram of the transmission component structure of the present invention;

[0028] Figure 6 For the present invention Figure 5 Enlarged view of part A;

[0029] Figure 7 Schematic diagram of the positioning column and positioning cylinder structure of the present invention;

[0030] Figure 8 Schematic diagram of the upper die structure of the present invention;

[0031] Figure 9 Schematic diagram of the cleaning tool structure of the present invention.

[0032] Wherein, 1, frame; 2, processing table; 3, lower die; 4, upper die; 41, connection main body; 42, cleaning port; 43, template; 5, moving core; 6, transmission component; 61, cylinder two; 62, connection seat; 63, telescopic rod; 64, elastic member; 65, extension arm; 66, lead screw; 67, threaded ring; 68, annular tooth groove; 69, strip tooth groove; 7, base; 8, demolding component; 81, cylinder one; 82, limit block; 83, notch; 84, limit rod; 9, cleaning component; 91, cleaning tool; 92, connection column; 93, tension spring; 94, connection rope; 95, guide seat; 12, injection port; 14, mounting plate; 15, positioning column; 16, positioning cylinder; 17, through port; 18, cleaning column; 19, cleaning tool head. Detailed implementation manners

[0033] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the drawings of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to the attached Figure 1 - attached Figure 3, an embodiment of the present invention provides an injection molding device for a low-voltage connector for a motor, including a frame 1. A processing table 2 is fixedly connected to the upper surface of the frame 1. An opening is provided on the upper surface of the processing table 2. A lower mold 3 is installed in the opening. An installation plate 14 is arranged outside the lower mold 3. The lower surface of the installation plate 14 is fixedly connected to the top of the processing table 2. An upper mold 4 is installed above the lower mold 3. Movable cores 5 are installed on both sides of the lower mold 3. A transmission assembly 6 is installed on the surface of the upper mold 4. The transmission assembly 6 is used to drive the vertical movement of the upper mold 4 and the horizontal movement of the movable cores 5. A U-shaped base 7 is installed below the lower mold 3. One end of the base 7 is rotatably connected to one end of the lower mold 3 through a shaft. A demolding assembly 8 is installed below the lower mold 3. The demolding assembly 8 includes a cylinder 81 and a limit block 82. The outer wall of the cylinder 81 is fixedly connected to the upper surface of the frame 1. The driving end of the cylinder 81 is fixedly connected to the lower surface of the base 7. The bottom end of the limit block 82 is fixedly connected to the upper surface of the frame 1. The cylinder 81 is electrically connected to a controller.

[0035] Specifically, during injection molding, the movable cores 5 are driven by the transmission assembly 6 to move horizontally and press against the lower mold 3, and the upper mold 4 moves vertically and presses against the lower mold 3. A cavity for processing the electrical connector insert is formed by the cooperation of the upper mold 4, the lower mold 3 and the movable cores 5. Then, the raw material is injected and waiting for the low-voltage connector insert to be formed. After cooling and forming, the upper mold 4 is driven by the transmission assembly 6 to rise, and the movable cores 5 slide away from the lower mold 3, so that the movable cores 5 are separated from the low-voltage connector insert. After separation, the cylinder 81 contracts, driving the lower mold 3 carrying the low-voltage connector insert to descend. When the lower mold 3 descends, it is restricted by the limit block 82, causing the lower mold 3 to tilt, so that the low-voltage connector insert slides off, realizing the automatic blanking of the low-voltage connector insert, thus realizing demolding without ejecting the material, effectively preventing damage to the low-voltage connector insert during demolding.

[0036] Please refer to the attached Figure 4 , the demolding assembly 8 further includes a notch 83. The notch 83 is opened on the surface of the base 7. A T-shaped limit rod 84 is arranged inside the notch 83, and the top end of the limit rod 84 is fixedly connected to the lower surface of the lower mold 3.

[0037] Specifically, the cylinder 81 is controlled by the controller to contract. The contraction of the cylinder 81 drives the base 7 to descend. The descent of the base 7 pulls the lower mold 3 to descend, so that the lower mold 3 is separated from the low-voltage connector insert. Subsequently, the cylinder 81 rises to make the lower mold 3 return to its original position. The rotation angle of the lower mold 3 is restricted by the limit rod 84, so that the cylinder 81 can pull the base 7 away from the low-voltage connector insert through the restriction of the limit rod 84 without descending a long distance, achieving the effect of preventing adhesion.

[0038] Please refer to the attached Figure 5 - attached Figure 6, The transmission assembly 6 includes a second cylinder 61 and a lead screw 66. The outer wall of the second cylinder 61 is fixedly connected to the top end of the frame 1. The driving end of the second cylinder 61 is fixedly connected to a connecting seat 62. The bottom end of the connecting seat 62 is fixedly connected to a telescopic rod 63. And the bottom end of the telescopic rod 63 is fixedly connected to the upper surface of the upper mold 4. The bottom end of the moving core 5 is slidably connected to the upper surface of the mounting plate 14. The controller is electrically connected to the second cylinder 61.

[0039] Specifically, the second cylinder 61 is controlled by the controller to operate. During processing, the second cylinder 61 extends to drive the connecting seat 62 to descend. The connecting seat 62 drives the upper mold 4 to descend through the telescopic rod 63, so that the upper mold 4 can descend to abut against the lower mold 3 until the telescopic rod 63 contracts to the minimum amplitude. During demolding, the second cylinder 61 contracts to drive the telescopic rod 63 to extend. After the telescopic rod 63 extends to the maximum amplitude, it pulls the upper mold 4 to rise, realizing the vertical lifting of the upper mold 4.

[0040] Please refer to the appendix Figure 5 - appendix Figure 6 , An elastic member 64 is sleeved outside the telescopic rod 63. The elastic member 64 is made of a spring or a shape memory alloy with high strength, so as to apply a strong pressure to a part of the upper mold 4. The upper mold 4 is in a cross shape. Symmetrically fixed to the lower surface of the upper mold 4 are extension arms 65. One end of the lead screw 66 is fixedly connected to the outer wall of the moving core 5. Threaded on the outer wall of the lead screw 66 is a threaded ring 67. One end of the threaded ring 67 is rotatably connected to the outer wall of the mounting plate 14. An annular tooth groove 68 is formed on the outer wall of the threaded ring 67. A strip tooth groove 69 is formed on the outer side wall of the extension arm 65. The annular tooth groove 68 can be meshed and connected with the strip tooth groove 69.

[0041] Specifically, the elastic member 64 is used to apply an elastic pressure to the upper mold 4 during mold closing. When the upper mold 4 descends, it drives the extension arm 65 to descend. The descent of the extension arm 65 causes the strip tooth groove 69 to be meshed and connected with the annular tooth groove 68, thereby driving the threaded ring 67 to rotate. The rotation of the threaded ring 67, through cooperation with the lead screw 66, drives the moving core 5 to move towards the lower mold 3. And when the strip tooth groove 69 is disengaged from the annular tooth groove 68, the moving core 5 is in close fit with the lower mold 3. When the upper mold 4 rises, it drives the extension arm 65 to rise. When the strip tooth groove 69 rises and meshes with the annular tooth groove 68 again, it drives the threaded ring 67 to rotate in the reverse direction, causing the moving core 5 to slide away from the lower mold 3, so that the moving core 5 is separated from the low-voltage connector insert.

[0042] Please refer to the appendix Figure 8 , The upper mold 4 includes a connecting body 41. A cleaning port 42 is formed at the center of the connecting body 41. A T-shaped template 43 is inserted into the cleaning port 42. An injection port 12 is formed on the surface of the template 43.

[0043] Specifically, the injection port 12 is used to inject raw materials into the cavity, and the cleaning component 9 is used to shear the casting material remaining on the upper surface of the low-voltage connector insert due to the injection port 12.

[0044] Please refer to the appendix Figure 8 - appendix Figure 9 As shown in the figure, the cleaning component 9 includes a cleaning tool 91 and a connecting column 92. The cleaning tool 91 is slidably installed inside the cleaning port 42, and both ends of the connecting column 92 are fixedly connected to the lower surface of the template 43 and the lower surface of the connecting seat 62 respectively.

[0045] Specifically, the length of the connecting column 92 is consistent with the minimum contraction amplitude of the telescopic rod 63. When the telescopic rod 63 contracts to the minimum amplitude, the template 43 is inserted into the cleaning port 42, and the cavity is located in the lower area of the template 43, so that the template 43, the lower mold 3 and the moving core 5 cooperate to form the cavity.

[0046] Please refer to the appendix Figure 9 As shown in the figure, a tension spring 93 is fixedly connected to one end of the cleaning tool 91, and the other end of the tension spring 93 is fixedly installed on the inner side wall of the cleaning port 42.

[0047] Specifically, a pulling force is applied to the cleaning tool 91 through the pulling force of the tension spring 93, so that the cleaning tool 91 is staggered from the template 43.

[0048] Please refer to the appendix Figure 9 As shown in the figure, a connecting rope 94 is fixedly connected to the upper surface of the cleaning tool 91, the other end of the connecting rope 94 is fixedly connected to the lower surface of the connecting seat 62, the connecting rope 94 is arranged through a guiding seat 95, and the bottom end of the guiding seat 95 is fixedly connected to the upper surface of the template 43.

[0049] Specifically, the guiding seat 95 is used to guide the moving direction of the connecting rope 94. When the second cylinder 61 extends to drive the upper mold 4 to press against the lower mold 3, and the telescopic rod 63 gradually contracts to the minimum amplitude, at this time, the distance between the connecting seat 62 and the cleaning tool 91 is reduced, so that the connecting rope 94 remains loose, and the cleaning tool 91 is kept on one side of the template 43 under the pulling force of the tension spring 93, so that the template 43 can be inserted into the cleaning port 42. During demolding, the second cylinder 61 contracts to drive the telescopic rod 63 to gradually extend. Before the telescopic rod 63 contracts to the maximum amplitude, a downward pressure is applied to the connecting body 41 through the elastic member 64, so that the connecting body 41 remains stationary. When the connecting body 41 is stationary, the cleaning tool 91 also remains stationary, while the template 43 rises following the movement of the connecting seat 62, thus opening the cleaning port 42 to facilitate the subsequent insertion of the cleaning tool 91. When the connecting seat 62 rises, the cleaning tool 91 is pulled by the connecting rope 94 to slide towards the low-voltage connector insert, and then the casting material remaining on the upper surface of the low-voltage connector insert is removed by the cleaning tool 91, achieving the effect of automatically shearing the casting material remaining on the surface of the low-voltage connector insert.

[0050] Please refer to the attached Figure 7 , on the lower surface of the upper mold 4, positioning columns 15 are symmetrically and fixedly connected. A positioning cylinder 16 is inserted on the outer side of the positioning column 15. The bottom end of the positioning cylinder 16 is fixedly connected to the upper surface of the mounting plate 14. The positioning cylinder 16 is directly below the positioning column 15.

[0051] Specifically, when the upper mold 4 abuts against the lower mold 3, the positioning column 15 is aligned and inserted into the interior of the positioning cylinder 16, thereby improving the stability when the upper mold 4 and the lower mold 3 are closed.

[0052] Please refer to the attached Figure 9 , a through hole 17 is formed on the surface of the connecting seat 62. Above the through hole 17, a cleaning column 18 is provided. The cleaning column 18 is directly above the injection port 12. The bottom end of the cleaning column 18 is fixedly connected with an annular cleaning cutter head 19. The diameter of the cleaning cutter head 19 is the same as the diameter of the pouring port. The top end of the cleaning column 18 is fixedly connected to the inner top wall of the frame 1.

[0053] Specifically, the cleaning cutter head 19 is directly above the injection port 12. When the upper mold 4 rises, the cleaning cutter head 19 will automatically insert into the inner wall of the injection port 12, thereby automatically cleaning the residues in the injection port 12.

[0054] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage connector injection molding device for a motor, comprising a frame (1), and the upper surface of the frame (1) is fixedly connected with a processing table (2), characterized in that: The upper surface of the processing table (2) is provided with an opening, a lower mold (3) is installed in the opening, an installation plate (14) is arranged outside the lower mold (3), the lower surface of the installation plate (14) is fixedly connected to the top end of the processing table (2), an upper mold (4) is installed above the lower mold (3), movable cores (5) are installed on both sides of the lower mold (3), a transmission assembly (6) is installed on the surface of the upper mold (4), and the transmission assembly (6) is used to drive the upper mold (4) to move vertically and the movable cores (5) to move horizontally. A U-shaped base (7) is installed below the lower mold (3), one end of the base (7) is rotatably connected to one end of the lower mold (3) through a shaft, a demolding assembly (8) is installed below the lower mold (3), and the demolding assembly (8) includes a first cylinder (81) and a limiting block (82). The outer wall of the first cylinder (81) is fixedly connected to the upper surface of the frame (1), the driving end of the first cylinder (81) is fixedly connected to the lower surface of the base (7), and the bottom end of the limiting block (82) is fixedly connected to the upper surface of the frame (1); The transmission assembly (6) includes a second cylinder (61) and a lead screw (66). The outer wall of the second cylinder (61) is fixedly connected to the top end of the frame (1), a connecting seat (62) is fixedly connected to the driving end of the second cylinder (61), a telescopic rod (63) is fixedly connected to the bottom end of the connecting seat (62), and the bottom end of the telescopic rod (63) is fixedly connected to the upper surface of the upper mold (4). The bottom end of the movable core (5) is slidably connected to the upper surface of the installation plate (14); The upper mold (4) includes a connecting body (41). A cleaning port (42) is opened at the center of the connecting body (41), a T-shaped template (43) is inserted into the cleaning port (42), and an injection port (12) is opened on the surface of the template (43); The cleaning assembly (9) includes a cleaning tool (91) and a connecting column (92). The cleaning tool (91) is slidably installed inside the cleaning port (42), and both ends of the connecting column (92) are fixedly connected to the lower surface of the template (43) and the lower surface of the connecting seat (62) respectively.

2. The low-voltage connector injection molding equipment for a motor according to claim 1, characterized in that: The demolding assembly (8) further includes a notch (83). The notch (83) is opened on the surface of the base (7), a T-shaped limiting rod (84) is arranged inside the notch (83), and the top end of the limiting rod (84) is fixedly connected to the lower surface of the lower mold (3).

3. The low-voltage connector injection molding equipment for a motor according to claim 1, wherein: An elastic member (64) is sleeved outside the telescopic rod (63). The upper mold (4) is in a cross shape, extension arms (65) are symmetrically and fixedly connected to the lower surface of the upper mold (4), and one end of the lead screw (66) is fixedly connected to the outer wall of the movable core (5).

4. The low-voltage connector injection molding device for a motor according to claim 3, characterized in that: A threaded ring (67) is threadedly connected to the outer wall of the lead screw (66). One end of the threaded ring (67) is rotatably connected to the outer wall of the installation plate (14). An annular tooth groove (68) is opened on the outer wall of the threaded ring (67), a strip-shaped tooth groove (69) is opened on the outer side wall of the extension arm (65), and the annular tooth groove (68) can be meshed and connected with the strip-shaped tooth groove (69).

5. The low-voltage connector injection molding equipment for a motor according to claim 1, characterized in that: One end of the cleaning tool (91) is fixedly connected with a tension spring (93), and the other end of the tension spring (93) is fixedly installed on the inner side wall of the cleaning port (42).

6. The low-voltage connector injection molding device for a motor according to claim 5, characterized in that: The upper surface of the cleaning tool (91) is fixedly connected with a connecting rope (94). The other end of the connecting rope (94) is fixedly connected with the lower surface of the connecting seat (62). The connecting rope (94) is disposed through the guiding seat (95), and the bottom end of the guiding seat (95) is fixedly connected with the upper surface of the template (43).

7. The low-voltage connector injection molding equipment for a motor according to claim 1, characterized in that: The lower surface of the upper die (4) is symmetrically and fixedly connected with positioning columns (15). The outer sides of the positioning columns (15) are inserted with positioning cylinders (16), and the bottom ends of the positioning cylinders (16) are fixedly connected with the upper surface of the mounting plate (14).

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