A kind of sealing injection molding tool

Abstract

The present invention provides a sealing block injection molding tool, which relates to the technical field of injection molding devices, and comprises a base, wherein a top frame is arranged on the top of the base, and support columns are fixed at the four corners of the bottom of the base, an injection mold is arranged inside the base and the top frame, and the injection mold comprises an upper template, which is slidably installed in the top frame, and a lower template is slidably installed in the base, a plurality of placement grooves are equidistantly provided on the surface of the lower template, and jacks are provided on both sides of the placement grooves, and an ejection hole is provided at the bottom of the placement groove. Compared with the prior art, the templates are installed in the base and the top block, and the positions of the transverse sealing component and the ejection component are freely adjusted according to the positions of the template placement grooves, so as to facilitate the use with templates of different sizes, the insertion rod can seal the lock holes at both ends of the sealing block, and the ejector rod can facilitate demoulding after the injection molding is completed, and the mold can be disassembled from the base and the top frame, so as to facilitate replacement and cleaning.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding devices, in particular to a sealing and injection molding tool. Background Art

[0002] A lock is a device used to seal and protect items. It is usually made of metal or plastic and has a lock structure and a seal function. After the lock is injection molded, a position for a chip is reserved. After the injection molding is completed, the chip is placed in it, and finally the cover is placed on the product to achieve closure through ultrasonic welding. This structure / process is easy to pry open the cover and take out the chip for reuse, and it is impossible to prevent counterfeiting. During the use process, it has brought certain impacts. For this reason, we propose a one-time injection molding electronic lock.

[0003] Injection molding is required during the production of seal locks. In order to prevent the injection molding material from flowing into the lock hole of the seal lock during injection molding, the seal lock needs to be fixed on the tooling to block the lock hole of the seal lock before injection molding. The traditional seal lock injection molding tooling uses two movable pins to fix the seal lock. This tooling is more complicated to use and has low production efficiency.

[0004] When injection molding the lock, there is a technology that proposes complete set injection molding, which can improve production efficiency. In this process, different types of locks have different sizes and models, which will lead to different injection molds. In addition, replacing the mold requires additional structure to block the keyhole, which is inconvenient. Summary of the invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a sealing injection molding tool to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure, and the templates are installed in the base and the top block. The positions of the transverse sealing assembly and the ejection assembly can be freely adjusted according to the positions of the template placement grooves, which is convenient for use with templates of different sizes. The insert rod can seal the lock holes at both ends of the sealing block, and the ejector rod can facilitate demolding after the injection molding is completed. The mold can be removed from the base and the top frame for easy replacement and cleaning.

[0006] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a sealing injection molding tool, including a base, a top frame is provided on the top of the base, and support columns are fixed at the four corners of the bottom of the base, an injection mold is provided inside the base and the top frame, and the injection mold includes an upper template, the upper template is slidably installed in the top frame, and a lower template is slidably installed in the base, a plurality of placement grooves are equidistantly provided on the surface of the lower template, and jacks are provided on both sides of the placement grooves, an ejection hole is provided at the bottom of the placement groove, and transverse sealing components are provided on both sides of the base The transverse sealing assembly includes an insertion rod, and the insertion rods are provided at the positions of the insertion holes at both ends of the placement groove on both sides of the base, and the insertion rods can pass through the insertion holes. A two-way telescopic plate is provided at the bottom of the base corresponding to the position of each group of placement grooves, and the two extended ends of the two-way telescopic plate are fixed with connecting plates, and the connecting plates are fixedly connected to the insertion rods. An ejection assembly is provided at the bottom of the base, and the ejection assembly includes a limit plate, and the two-way telescopic plate is fixed with a limit plate at the position of the ejection hole of the placement groove, and a push rod is slidably inserted inside the limit plate, and the push rod is slidably inserted inside the ejection hole.

[0007] Furthermore, the injection mold also includes an injection channel, the upper template is located on the outer circle of the placement groove and is provided with an injection channel, and the injection channel is connected to each placement groove, and the top of the upper template is opened with an injection hole, and the injection hole is connected to the injection channel.

[0008] Furthermore, connecting blocks are slidably inserted on both sides of the base, and the connecting blocks are fixed to both sides of the lower template by bolts. A vertical plate is fixed on the top of the connecting block, and a sleeve frame is fixed at the position of the upper template corresponding to the vertical plate, and the vertical plate is slidably inserted through the sleeve frame.

[0009] Furthermore, the transverse sealing assembly also includes an insert block, slots are opened on the top of both sides of the base, an insert block is slidably sleeved on the surface of the insert rod on one side of the base, and a rope threading seat is slidably sleeved on the surface of the insert rod on the other side of the base, and the bottom of the insert block and the rope threading seat are both slidably inserted in the slots.

[0010] Furthermore, the lower template is provided with a rope threading groove at one end of the placement groove, and the rope threading seat is provided with a notch in the same straight line as the rope threading groove.

[0011] Furthermore, a bidirectional electric push rod is fixed between the support columns on both sides of the base, and the extended end of the bidirectional electric push rod passes through the support column and is fixed with a first cross plate, a buckle frame is fixed at the bottom of the connecting plate, and the buckle frame is sleeved on the top of the first cross plate.

[0012] Furthermore, the ejection assembly also includes a bottom plate, the bottom of the ejector rod is fixed with the bottom plate, the bottom of the bottom plate is provided with a second transverse plate, and the bottom of the bottom plate is fixed with a card frame, and the card frame is sleeved on the surface of the second transverse plate.

[0013] Furthermore, a mounting plate is fixed to the bottom of the support column, and a second electric push rod is fixed on the surface of the mounting plate, and an extended end of the second electric push rod is fixedly connected to the second cross plate.

[0014] Furthermore, first electric push rods are fixed on both sides of the base, and the extended ends of the first electric push rods are fixedly connected to the top frame.

[0015] Furthermore, a movable groove is provided at a position of the top frame corresponding to the sleeve frame, and the sleeve frame slides along the inside of the movable groove, and an exposure groove is provided at the top of the top frame.

[0016] Beneficial effects of the present invention:

[0017] 1. In the present invention, because the position of the two-way telescopic plate is aligned with the placement groove, the position of the ejector rod just corresponds to the ejection hole, the card frame at the bottom of the bottom plate is clamped on the second horizontal plate, all the ejector rods are connected to the second horizontal plate, the second horizontal plate is pushed to move by the second electric push rod, the ejector rod passes through the ejection hole, and the injection-molded sealing block in the placement groove is ejected. After the ejector rod is connected to the second horizontal plate, the second electric push rod pushes the ejector rod into the ejection hole to seal the ejection hole. Because the ejector rod is connected to the two-way telescopic plate through a limit plate, there is no problem of misalignment. The two-end jacks of each group of placement grooves correspond to the plug rods, and the ejector rod corresponds to the ejection hole.

[0018] 2. The present invention selects a corresponding number of transverse sealing components according to the size and position of the placement groove in the mold. When there are fewer placement grooves in the upper and lower templates of the same length, it means that the size of a single lock is larger. Therefore, a smaller number of transverse sealing components are selected, and the plug blocks and rope threading seats of the plug rods on both sides are respectively inserted into the slots, and the positions of the plug rods and the plug holes are kept aligned. The lock holes at both ends of the lock core placed inside the lock are matched with the plug holes, and the plugs are connected by moving the plug rods to prevent the injection liquid from entering the lock holes. After the corresponding number of transverse sealing components are installed on both sides of the base, the buckle frame at the bottom of the connecting plate is clamped on the top of the first horizontal plate, so that the plug rods on both sides can move horizontally at the same time, and at the same time, they are inserted into the placement grooves to block the lock holes, or leave the placement grooves.

[0019] 3. The upper template of the present invention is sleeved on the vertical plate through a sleeve frame to be kept in the middle position of the top frame and aligned with the lower template. The top frame is driven down by the first electric push rod, and the upper template can be merged with the lower template, so that the injection liquid is added to the placement groove through the injection hole and the injection flow channel. After the injection molding is completed, the top frame is lifted up. The base and the top frame have a certain space to meet the needs of replacing molds of different sizes. At the same time, after the injection molding is completed, the lower template and the upper template can be removed from the base and the top frame for cleaning.

[0020] 4. Compared with the prior art, the present invention has templates installed in the base and the top block, and the positions of the transverse sealing assembly and the ejection assembly can be freely adjusted according to the positions of the template placement grooves, which is convenient for use with templates of different sizes. The insert rod can seal the lock holes at both ends of the block, and the ejector rod can facilitate demoulding after injection molding is completed. The mold can be disassembled from the base and the top frame for easy replacement and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a sealing injection molding tool of the present invention;

[0022] Figure 2 It is a schematic diagram of the bottom of the base and the interior of the top frame of a sealing injection molding tool of the present invention;

[0023] Figure 3 This is a schematic diagram of the side connection between the upper template and the lower template of a sealing injection molding tool of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of an injection mold for a sealing injection molding tool of the present invention;

[0025] Figure 5 This is a schematic diagram of the connection between the insertion rod and the base of a sealing injection molding tool of the present invention;

[0026] Figure 6 This is a schematic diagram of the structure of a transverse sealing component of a sealing injection molding tool of the present invention;

[0027] Figure 7 The present invention is a schematic diagram of the structure of an ejector assembly of a sealing injection molding tool.

[0028] In the figure: 1. base; 11. first electric push rod; 12. slot; 13. support column; 2. top frame; 21. exposed slot; 22. movable slot; 3. transverse sealing assembly; 31. plug block; 32. rope threading seat; 33. plug rod; 34. connecting plate; 35. two-way electric push rod; 36. first horizontal plate; 37. buckle frame; 38. two-way telescopic plate; 4. injection mold; 41. upper template; 42. lower template; 43. ejector hole; 44. rope threading slot; 45. plug hole; 46. connecting block; 47. vertical plate; 48. sleeve frame; 49. injection runner; 410. injection hole; 411. placement slot; 5. ejector assembly; 51. mounting plate; 52. second electric push rod; 53. second horizontal plate; 54. limit plate; 55. ejector; 56. bottom plate; 57. card frame. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] See also Figures 1 to 7 The present invention provides a technical solution: a sealing injection molding tool, comprising a base 1, a top frame 2 is provided on the top of the base 1, and support columns 13 are fixed at the four corners of the bottom of the base 1, an injection mold 4 is provided inside the base 1 and the top frame 2, and the injection mold 4 comprises an upper template 41, the upper template 41 is slidably installed in the top frame 2, and a lower template 42 is slidably installed in the base 1, a plurality of placement grooves 411 are equidistantly provided on the surface of the lower template 42, and plug holes 45 are provided on both sides of the placement grooves 411, and ejection holes 43 are provided at the bottom of the placement grooves 411, transverse sealing components 3 are provided on both sides of the base 1, and the transverse sealing components 3 include plug rods 33, and the positions of the plug holes 45 at both ends of the placement grooves 411 are provided with plug rods 33, and the plug rods 33 can pass through the plug holes 45, and the bottom of the base 1 is provided with a two-way telescopic plate 38 corresponding to each group of placement grooves 411. The two extended ends of the two-way telescopic plate 38 are fixed with connecting plates 34, and the connecting plates 34 are fixedly connected to the insertion rods 33. The bottom of the base 1 is provided with an ejection assembly 5, and the ejection assembly 5 includes a limit plate 54. The two-way telescopic plate 38 is fixed with a limit plate 54 at the position of the ejection hole 43 of the placement groove 411, and a push rod 55 is slidably inserted inside the limit plate 54, and the push rod 55 is slidably inserted inside the ejection hole 43. When using the device, the injection mold 4 is installed in the base 1 and the top frame 2, and then the corresponding transverse sealing assembly 3 and ejection assembly 5 are installed according to the position and number of the placement grooves 411 in the mold, and then the sealing element is placed in the placement groove 411, and the insertion rod 33 of the transverse sealing assembly 3 penetrates into the placement groove 411 to seal the two end holes 45 of the sealing, and the molds are merged and injection molding is carried out. After the injection molding is completed, it is pushed out by the ejection assembly 5, and the mold is disassembled from the top frame 2 and the base 1 for cleaning.

[0031] In this embodiment, the injection mold 4 also includes an injection channel 49, the upper template 41 is provided with an injection channel 49 on the outer circle of the placement groove 411, and the injection channel 49 is communicated with each placement groove 411, the top of the upper template 41 is provided with an injection hole 410, and the injection hole 410 is communicated with the injection channel 49, the base 1 has connecting blocks 46 slidably inserted on both sides of the inside, and the connecting blocks 46 are fixed to both sides of the lower template 42 by bolts, a vertical plate 47 is fixed on the top of the connecting block 46, the upper template 41 is fixed with a sleeve frame 48 at the position corresponding to the vertical plate 47, and the vertical plate 47 is slidably inserted through the sleeve frame 48, the first electric push rod 11 is fixed on both sides of the base 1, and the extended end of the first electric push rod 11 is fixedly connected to the top frame 2, the top frame 2 is provided with a movable groove 22 at the position corresponding to the sleeve frame 48, and the sleeve frame 48 moves along the movable groove 2 2, the top of the top frame 2 is provided with an exposure groove 21, the function of the exposure groove 21 of the top frame 2 is to conveniently expose the injection hole 410 of the upper template 41, add injection liquid into the inside, the lower template 42 is installed on the connecting block 46 by bolts and maintained in the middle position of the base 1, similarly, the upper template 41 is sleeved on the vertical plate 47 by the sleeve frame 48 and maintained in the middle position of the top frame 2 and aligned with the lower template 42, the top frame 2 is driven down by the first electric push rod 11, the upper template 41 and the lower template 42 can be merged, so that the injection liquid is added into the placement groove 411 through the injection hole 410 and the injection flow channel 49, and the top frame 2 is lifted after the injection is completed. The base 1 and the top frame 2 have a certain space to meet the needs of replacing molds of different sizes. At the same time, after the injection is completed, the lower template 42 and the upper template 41 can be disassembled from the base 1 and the top frame 2 for cleaning.

[0032] In this embodiment, the transverse sealing assembly 3 also includes an insert block 31, slots 12 are provided on the top of both sides of the base 1, an insert block 31 is slidably sleeved on the surface of the insert rod 33 on one side of the base 1, and a rope threading seat 32 is slidably sleeved on the surface of the insert rod 33 on the other side of the base 1, the insert block 31 and the rope threading seat 32 are both slidably inserted in the slot 12, the lower template 42 is provided with a rope threading slot 44 at one end of the placement slot 411, and the rope threading seat 32 is provided with a notch in the same line as the rope threading slot 44, a two-way electric push rod 35 is fixed between the support columns 13 on both sides of the base 1, and the extended end of the two-way electric push rod 35 passes through the support column 13 and is fixed with a first transverse plate 36, a buckle frame 37 is fixed at the bottom of the connecting plate 34, and the buckle frame 37 is sleeved on the top of the first transverse plate 36, and the corresponding number is selected according to the size and position of the placement slot 411 in the mold. The transverse sealing component 3, in simple terms, when there are fewer placement grooves 411 in the upper template 41 and the lower template 42 of the same length, it means that the size of a single lock is larger, so a smaller number of transverse sealing components 3 are selected, and the plug blocks 31 and the rope threading seats 32 of the plug rods 33 on both sides are respectively inserted into the slots 12, and the positions of the plug rods 33 and the insertion holes 45 are kept aligned, and the lock holes at both ends of the lock core placed inside the lock body correspond to the insertion holes 45, and are plugged in by moving the plug rods 33 to prevent the injection liquid from entering the lock holes. After the corresponding number of transverse sealing components 3 are installed on both sides of the base 1, the buckle frame 37 at the bottom of the connecting plate 34 is clamped on the top of the first horizontal plate 36, so that the plug rods 33 on both sides can move horizontally at the same time, and insert the placement grooves 411 to block the lock holes, or leave the placement grooves 411, and the gaps in the rope threading grooves 44 and the rope threading seats 32 are used to pass the steel wire rope of the lock body.

[0033] In this embodiment, the ejection assembly 5 also includes a bottom plate 56, the bottom of the ejector rod 55 is fixed with the bottom plate 56, the bottom of the bottom plate 56 is provided with a second transverse plate 53, and the bottom of the bottom plate 56 is fixed with a card frame 57, the card frame 57 is sleeved on the surface of the second transverse plate 53, the bottom of the support column 13 is fixed with a mounting plate 51, and the surface of the mounting plate 51 is fixed with a second electric push rod 52, the extended end of the second electric push rod 52 is fixedly connected to the second transverse plate 53, because the position of the two-way telescopic plate 38 is aligned with the placement groove 411, so the position of the ejector rod 55 just corresponds to the ejection hole 43, and the bottom of the bottom plate 56 is fixed with the second electric push rod 52. The card frame 57 is card-connected to the second cross plate 53, connecting all the ejector rods 55 with the second cross plate 53, and the second cross plate 53 is pushed to move by the second electric push rod 52. The ejector rod 55 passes through the ejection hole 43 to eject the injection-molded sealing block in the placement groove 411. After the ejector rod 55 is connected to the second cross plate 53, the second electric push rod 52 pushes the ejector rod 55 into the ejection hole 43 to seal the ejection hole 43. Because the ejector rod 55 is connected to the two-way telescopic plate 38 through the limit plate 54, there will be no misalignment problem. The two end holes 45 of each group of placement grooves 411 correspond to the insertion rod 33, and the ejector rod 55 corresponds to the ejection hole 43.

[0034] When using the device, the injection mold 4 is installed in the base 1 and the top frame 2, and the corresponding number of transverse sealing components 3 is selected according to the size and position of the placement groove 411 in the mold. In simple terms, when the placement grooves 411 in the upper template 41 and the lower template 42 of the same length are less, it means that the size of a single lock is larger, so a smaller number of transverse sealing components 3 is selected, and the plug blocks 31 and the rope threading seat 32 of the two side plug rods 33 are respectively inserted into the slots 12, and the positions of the plug rods 33 and the insertion holes 45 are kept aligned, and the lock cores at both ends placed inside the lock are locked. The holes correspond to the insertion holes 45, and are inserted by moving the insertion rod 33 to prevent the injection liquid from entering the lock hole. After the corresponding number of transverse sealing components 3 are installed on both sides of the base 1, the buckle frame 37 at the bottom of the connecting plate 34 is clamped on the top of the first transverse plate 36, so that the insertion rods 33 on both sides can move horizontally at the same time, and insert the placement groove 411 to block the lock hole, or leave the placement groove 411. The gaps in the rope threading groove 44 and the rope threading seat 32 are used to pass the steel wire rope for blocking the lock. The lower template 42 is installed on the connecting block 46 by bolts and is kept in the middle of the base 1 Similarly, the upper template 41 is sleeved on the vertical plate 47 through the sleeve frame 48 and is kept in the middle position of the top frame 2 and aligned with the lower template 42. The top frame 2 is driven down by the first electric push rod 11, and the upper template 41 and the lower template 42 can be merged, so that the injection liquid is added into the placement groove 411 through the injection hole 410 and the injection flow channel 49. After the injection molding is completed, the top frame 2 is lifted up. There is a certain space between the base 1 and the top frame 2 to meet the needs of replacing molds of different sizes. Because the position of the two-way telescopic plate 38 is aligned with the placement groove 411, the top rod The position of 55 also just corresponds to the ejection hole 43. The card frame 57 at the bottom of the bottom plate 56 is carded on the second cross plate 53, and all the ejector rods 55 are connected to the second cross plate 53. The second electric push rod 52 pushes the second cross plate 53 to move. The ejector rod 55 passes through the ejection hole 43 and ejects the injection-molded seal in the placement groove 411. After the ejector rod 55 is connected to the second cross plate 53, the second electric push rod 52 pushes the ejector rod 55 into the ejection hole 43 to seal the ejection hole 43, and the mold is disassembled from the top frame 2 and the base 1 for cleaning.

[0035] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A sealing injection molding tool, comprising a base (1), characterized in that: A top frame (2) is provided on the top of the base (1), and support columns (13) are fixed at the four corners of the bottom of the base (1). An injection mold (4) is provided inside the base (1) and the top frame (2). The injection mold (4) comprises an upper mold plate (41). The upper mold plate (41) is slidably mounted in the top frame (2), and a lower mold plate (42) is slidably mounted in the base (1). A plurality of placement grooves (411) are equidistantly provided on the surface of the lower mold plate (42), and insertion holes (45) are provided on both sides of the placement grooves (411). An ejection hole (43) is provided at the bottom of the placement groove (411). Transverse sealing components (3) are provided on both sides of the base (1). The transverse sealing components (3) comprise insertion rods (33). Insertion rods (33) are provided at positions of the insertion holes (45) at both ends of the placement grooves (411) on both sides of the base (1), and the insertion rods (33) can pass through the insertion holes (45). A two-way telescopic plate (38) is provided at a position corresponding to each group of placement grooves (411) at the bottom of the base (1), and a connecting plate (34) is fixed at two extended ends of the two-way telescopic plate (38), and the connecting plate (34) is fixedly connected to the insertion rods (33). An ejection assembly (5) is provided at the bottom of the base (1), and the ejection assembly (5) includes a limiting plate (54). The two-way telescopic plate (38) is fixed with a limiting plate (54) at a position corresponding to the ejection hole (43) of the placement groove (411), and a ejection rod (55) is slidably inserted inside the limiting plate (54). The ejector rod (55) is slidably inserted into the ejection hole (43), the transverse sealing assembly (3) further comprises an insert block (31), slots (12) are provided at the top of both sides of the base (1), the insert block (31) is slidably sleeved on the surface of the insert rod (33) on one side of the base (1), and a rope threading seat (32) is slidably sleeved on the surface of the insert rod (33) on the other side of the base (1), the insert block (31) and the rope threading seat (32) are both slidably inserted into the slot (12), the lower template (42) is provided with a rope threading groove (44) at one end of the placement groove (411), the rope threading seat (32) is provided with a notch in the same straight line as the rope threading groove (44), and the support columns (13) on both sides of the base (1) are provided with a notch in the same straight line as the rope threading groove (44). A bidirectional electric push rod (35) is fixed between the connecting plates (34), and the extended end of the bidirectional electric push rod (35) passes through the support column (13) and is fixed with a first transverse plate (36); a buckle frame (37) is fixed at the bottom of the connecting plate (34), and the buckle frame (37) is sleeved on the top of the first transverse plate (36); the ejection assembly (5) further comprises a bottom plate (56); a bottom of the ejector rod (55) is fixed with a bottom plate (56); a second transverse plate (53) is provided at the bottom of the bottom plate (56), and a clamping frame (57) is fixed at the bottom of the bottom plate (56), and the clamping frame (57) is sleeved on the surface of the second transverse plate (53); a mounting plate (51) is fixed at the bottom of the support column (13), and a second electric push rod (52) is fixed on the surface of the mounting plate (51);The extended end of the second electric push rod (52) is fixedly connected to the second horizontal plate (53).

2. The sealing and injection molding tool according to claim 1, characterized in that: The injection mold (4) further comprises an injection channel (49); the upper mold plate (41) is provided with an injection channel (49) at the outer ring of the placement groove (411), and the injection channel (49) is communicated with each placement groove (411); an injection hole (410) is opened at the top of the upper mold plate (41), and the injection hole (410) is communicated with the injection channel (49).

3. The sealing and injection molding tool according to claim 2, characterized in that: Connecting blocks (46) are slidably inserted at both sides of the base (1), and the connecting blocks (46) are fixed to both sides of the lower template (42) by bolts. A vertical plate (47) is fixed to the top of the connecting block (46), and a sleeve frame (48) is fixed at a position of the upper template (41) corresponding to the vertical plate (47), and the vertical plate (47) is slidably inserted through the sleeve frame (48).

4. The sealing and injection molding tool according to claim 3, characterized in that: First electric push rods (11) are fixed on both sides of the base (1), and the extended ends of the first electric push rods (11) are fixedly connected to the top frame (2).

5. The sealing and injection molding tool according to claim 4, characterized in that: The top frame (2) is provided with a moving groove (22) at a position corresponding to the sleeve frame (48), and the sleeve frame (48) slides inside the moving groove (22), and the top of the top frame (2) is provided with an exposing groove (21).

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