Injection mold for winding coil framework of gearbox electromagnetic valve

Abstract

The utility model provides a winding coil framework injection mold of a gearbox solenoid valve. The winding coil framework injection mold comprises a fixed mold plate; the fixed mold base is connected to the bottom of the fixed mold plate through bolts, guide columns penetrate through the periphery of the bottom of the fixed mold base, and a fixed mold groove is formed in the center of the bottom of the fixed mold base; the injection molding module is arranged in the center of the fixed mold groove in a penetrating manner; a guide sleeve penetrates through the periphery of the top of the movable mold base and sleeves the outer side of the guide column, a movable mold groove is formed in the center of the top of the movable mold base, and a coil framework tail piece positioning block is placed at the bottom of the center of the movable mold groove; the main body side core-pulling modules are arranged on the left side and the right side of the movable mold groove respectively, and the side, close to the central axis of the movable mold base, of each main body side core-pulling module covers the top of the coil framework tail piece positioning block; the vertical groove side core-pulling modules are arranged on the front side and the rear side of the movable mold groove correspondingly, the movable mold plate is arranged under the movable mold base, the mold closing buffering module is arranged between the movable mold plate and the movable mold base, double stations are arranged, the machining efficiency is improved, the main body side core-pulling module does not need to be additionally disassembled for material taking, and the side core-pulling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of injection mold design, in particular to the technical field of side core pulling for automatic opening and closing of a matching mold, and specifically is an injection mold for a winding coil skeleton of a gearbox electromagnetic valve. Background Art

[0002] The winding coil skeleton of the gearbox solenoid valve is a plastic part that is mostly formed in one go by mold injection molding. A vertical groove is designed on the bottom of one side of the plastic part of the winding coil skeleton of the gearbox solenoid valve, and the overall shape of the injection molded part is a shape with large outer diameters at both ends and a small outer diameter in the middle. Therefore, the mold cavity cannot adopt a traditional one-piece structure, otherwise the injection molded part will be stuck in the cavity and cannot be removed during demolding. In addition, due to the small size of the gearbox solenoid valve, if only one piece is completed at a time, the efficiency is poor. It is necessary to design a multi-station side-core-pulling gearbox solenoid valve winding coil skeleton injection mold based on the above characteristics. Summary of the invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide an injection mold for a winding coil skeleton of a gearbox solenoid valve, so as to solve the difficulties of the prior art.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides an injection mold for a winding coil skeleton of a gearbox solenoid valve, comprising:

[0005] Fixed template 1;

[0006] A fixed die seat 2, the fixed die seat 2 is arranged at the bottom of the fixed die plate 1 by bolt connection, guide pillars 21 are passed through the bottom of the fixed die seat 2, and a fixed die groove 22 is opened in the middle of the bottom of the fixed die seat 2, and the fixed die groove 22 is cross-shaped;

[0007] An injection mold group 3, wherein the injection mold group 3 is disposed in the middle of the fixed mold groove 22;

[0008] A movable mold base 4, wherein a guide sleeve 41 is provided around the top of the movable mold base 4, wherein the guide sleeve 41 is sleeved on the outside of the guide pillar 21, and a movable mold groove 42 is provided in the middle of the top of the movable mold base 4, wherein a coil skeleton tail piece positioning block 5 is placed at the bottom of the movable mold groove 42;

[0009] The main body side core pulling module 6 is respectively arranged on the left and right sides of the movable mold groove 42, and the side cover of the main body side core pulling module 6 close to the central axis of the movable mold base 4 is arranged on the top of the coil skeleton tail piece positioning block 5;

[0010] The vertical slot side core pulling module 7 is respectively arranged on the front and rear sides of the movable mold groove 42, and the side of the vertical slot side core pulling module 7 close to the central axis of the movable mold base 4 is clamped between the No. 1 cavity block 65 in the main body side core pulling module 6 and the coil skeleton tail piece positioning block 5;

[0011] The movable platen 9 is arranged directly below the movable die holder 4 , and a mold clamping buffer module 8 is arranged between the movable platen 9 and the movable die holder 4 .

[0012] According to a preferred embodiment, the groove depth in the center of the fixed mold groove 22 is greater than the groove depth around it.

[0013] According to a preferred embodiment, the injection molding module 3 comprises:

[0014] A conical groove, which is opened in the middle of the top of the fixed mold plate 1, and a sprue sleeve 31 is clamped in the conical groove;

[0015] An injection molding positioning core 32, the injection molding positioning core 32 is connected by a pin and arranged in the middle of the fixed mold groove 22, and a cavity positioning hole 33 is symmetrically opened on the front and rear sides of the injection molding positioning core 32 along the central axis of the injection molding positioning core 32, and a core rod 34 is clamped in the cavity positioning hole 33;

[0016] An inverted T-shaped injection channel 35, which is disposed in the middle of the fixed mold plate 1, wherein the top of the inverted T-shaped injection channel 35 is communicated with the tapered groove, and the bottom of the inverted T-shaped injection channel 35 is communicated with the cavity positioning hole 33 on both sides;

[0017] The positioning blocks 36 are arranged on the left and right sides of the cavity positioning hole 33 . The positioning blocks 36 are integrally arranged with the injection positioning core 32 . A slot 37 is provided in the middle of the positioning blocks 36 .

[0018] According to the preferred embodiment, tail piece clearance grooves 51 are symmetrically provided on the left and right sides of the top of the coil skeleton tail piece positioning block 5, and rear choke sleeve positioning blocks 52 are respectively provided on the left and right sides of the tail piece clearance groove 51 at the top of the coil skeleton tail piece positioning block 5, and a rear choke sleeve installation positioning groove 53 is provided on the side of the rear choke sleeve positioning block 52 close to the tail piece clearance groove 51.

[0019] According to a preferred embodiment, the groove depth in the center of the movable mold groove 42 is greater than the groove depth around it.

[0020] According to the preferred embodiment, the main body side core pulling module 6 includes:

[0021] A U-shaped extension block 61, which is arranged on the left and right sides of the movable mold groove 42 by bolt connection, and a T-shaped track groove 62 is opened on one side of the U-shaped extension block 61, and the other side of the T-shaped track groove 62 passes through the U-shaped extension block 61 and extends into the movable mold groove 42;

[0022] Guide blocks 63, which are connected by bolts and arranged on the left and right sides of the top of the T-shaped track groove 62;

[0023] A main core-pulling driving block 64, which is in an inverted T-shape and is disposed in the T-shaped track groove 62, and the bottom of the main core-pulling driving block 64 is clamped between the guide block 63 and the bottom of the T-shaped track groove 62;

[0024] A number one cavity block 65, one side of which is connected to the main core pulling drive block 64 by bolt connection, and the other side of which is covered on the top of the coil skeleton tail piece positioning block 5, and a semicircular cavity 66 is symmetrically arranged on the left and right sides of one end of the number one cavity block 65 away from the main core pulling drive block 64, and a rear choke sleeve injection locking groove 67 is arranged at the bottom of the semicircular cavity 66, and a square groove positioning groove 68 is arranged on the top of the semicircular cavity 66 near the main core pulling drive block 64, and a latch 69 is passed through the middle of the square groove positioning groove 68;

[0025] An inclined driving groove 610, wherein the inclined driving groove 610 is inclinedly opened in the middle of the main core-pulling driving block 64, and locking guide blocks 611 are provided on the left and right side walls of the top of the inclined driving groove 610 by welding;

[0026] The inclined guide column 612 has a top that is obliquely inserted into the left and right sides of the fixed mold groove 22, and a bottom that passes through the gap between the locking guide block 611 and the side wall of the inclined driving groove 610 close to the central axis of the movable mold base 4 and extends downward.

[0027] According to the preferred solution, the inclined guide column 612 moves up and down to drive the main core-pulling driving block 64 to move forward and backward along the guide block 63 .

[0028] According to a preferred embodiment, the inclined driving groove 610 is inclined toward a side away from the central axis of the movable mold base 4 .

[0029] According to the preferred embodiment, the No. 1 cavity block 65 is spliced ​​with each other on the side away from the main core-pulling drive block 64, the bottom of the No. 1 cavity block 65 is clamped between the choke sleeve positioning blocks, and the rear choke sleeve injection molding locking groove 67 is spliced ​​with the rear choke sleeve positioning block 52.

[0030] According to the preferred embodiment, the vertical groove side core pulling module 7 includes:

[0031] A vertical clearance groove 71, wherein the bottom groove wall of the vertical clearance groove 71 is located at the front and rear sides of the coil skeleton tail piece positioning block 5, and the top of the vertical clearance groove 71 passes through the coil skeleton tail piece positioning block 5 and enters the first cavity block 65, and one side of the vertical clearance groove 71 is connected to the rear choke sleeve installation positioning groove 53;

[0032] A vertical groove core pulling block 72, wherein the vertical groove core pulling block 72 is clamped in the vertical groove 71, and a T-shaped driving block 73 is provided on one side of the vertical groove core pulling block 72 away from the central axis of the movable mold base 4 through bolt connection, and a locking hole 74 is provided in the middle of the T-shaped driving block 73;

[0033] A mounting block 75, the bottom of which is arranged on the left and right sides of the T-shaped driving block 73, a pin 76 is passed through the middle of the mounting block 75, and the pin 76 passes through the T-shaped driving block 73 and is connected to the movable mold groove 42 and the movable mold seat 4 in sequence;

[0034] An L-shaped clamping block 77 is arranged on the front and rear sides of the fixed mold groove 22 by bolt connection, and the bottom of the L-shaped clamping block 77 is in contact with the T-shaped driving block 73. A locking rod 78 is passed through the side of the L-shaped clamping block 77 close to the central axis of the fixed mold groove 22, and the bottom of the locking rod 78 is clamped in the locking hole 74.

[0035] According to the preferred embodiment, the mold clamping buffer module 8 includes:

[0036] A connecting vertical plate 81, the top of which is connected to the left and right sides of the bottom of the movable mold base 4 by bolts, and the bottom of which is connected to the movable mold plate 9 by bolts;

[0037] A buffer plate 82, wherein the buffer plate 82 is arranged in the middle of the top of the moving plate 9 by bolt connection;

[0038] Buffer blocks 83, wherein the buffer blocks 83 are arranged in an array in the middle of the bottom of the movable die base 4, and the bottom of the buffer blocks 83 passes through the buffer plate 82 and is connected to the movable die plate 9;

[0039] The positioning column 84 is clamped around the top of the buffer plate 82, the top of the positioning column 84 penetrates into the bottom of the movable mold base 4, and a spring 85 is sleeved on the outer side of the positioning column 84.

[0040] The utility model adopts a fixed mold plate, a fixed mold base, an injection molding module, a movable mold base, a coil skeleton tail piece positioning block, a main body side core pulling module, a vertical slot side core pulling module, a movable mold plate and a mold closing buffer module, and a double workstation is arranged to improve the processing efficiency. The inclined guide column of the main body side core pulling module can make the cavity composed of two No. 1 cavity blocks open and close as the fixed mold base and the movable mold base open and close, and there is no need for additional disassembly to take out materials, which improves the efficiency of the side core pulling.

[0041] The best embodiment of the present invention will be described in more detail below in conjunction with the accompanying drawings so that the features and advantages of the present invention can be easily understood. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 The display is a three-dimensional structural schematic diagram of the utility model;

[0043] Figure 2 The display is an enlarged schematic diagram of the three-dimensional structure of the injection molding module in the present invention;

[0044] Figure 3 Shown is an enlarged schematic diagram of the three-dimensional structure of the fixed mold base in the utility model;

[0045] Figure 4 Shown is an enlarged schematic diagram of the three-dimensional structure of the injection molding positioning core in the utility model;

[0046] Figure 5 The display is an enlarged schematic diagram of the three-dimensional structure of the core-pulling module on the main body side in the present utility model;

[0047] Figure 6 Shown is an enlarged schematic diagram of the three-dimensional structure of the movable mold base in the utility model;

[0048] Figure 7 It is an enlarged schematic diagram of the three-dimensional structure of the coil skeleton tail piece positioning block in the utility model;

[0049] Figure 8 Shown is an enlarged schematic diagram of the three-dimensional structure of the No. 1 cavity block in the present utility model;

[0050] Fig. 9 Shown is an enlarged schematic diagram of the three-dimensional structure of the movable mold base in the utility model;

[0051] Fig.10 It shows an enlarged schematic diagram of the three-dimensional structure of the mold clamping buffer module in the present invention;

[0052] Fig.11 Shown is a three-dimensional structure enlarged schematic diagram of a winding coil frame of a gearbox solenoid valve to be processed in the utility model;

[0053] Description of symbols

[0054] 1. Set the template;

[0055] 2. Fixed die seat; 21. Guide pillar; 22. Fixed die groove;

[0056] 3. Injection molding module; 31. Gate bushing; 32. Injection molding positioning core; 33. Cavity positioning hole; 34. Core rod; 35. Inverted T-shaped injection molding channel; 36. Positioning block; 37. Slot;

[0057] 4. Moving mold seat; 41. Guide sleeve; 42. Moving mold groove;

[0058] 5. Coil skeleton tail piece positioning block; 51. Tail piece clearance groove; 52. Rear choke sleeve positioning block; 53. Rear choke sleeve installation positioning groove;

[0059] 6. Main body side core pulling module; 61. U-shaped extension block; 62. T-shaped track groove; 63. Guide block; 64. Main core pulling drive block; 65. No. 1 cavity block; 66. Semicircular cavity; 67. Rear choke sleeve injection locking groove; 68. Square groove positioning groove; 69. Latch; 610. Inclined drive groove; 611. Locking guide block; 612. Inclined guide column;

[0060] 7. Vertical slot side core pulling module; 71. Give way vertical slot; 72. Vertical slot core pulling block; 73. T-shaped driving block; 74. Locking hole; 75. Mounting block; 76. Pin; 77. L-shaped clamping block; 78. Locking rod;

[0061] 8. mold clamping buffer module; 81. connecting vertical plate; 82. buffer plate; 83. buffer block; 84. positioning column; 85. spring; 9. moving template; DETAILED DESCRIPTION

[0062] In order to make the purpose, technical solution and advantages of the technical solution of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the utility model. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0063] Compared with the embodiments shown in the drawings, feasible implementations within the scope of protection of the present invention may have fewer components, other components not shown in the drawings, different components, differently arranged components, or differently connected components, etc. In addition, two or more components in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0064] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the specification and claims of the utility model patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not necessarily indicate quantity restrictions. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0065] The utility model proposes an injection mold for a winding coil skeleton of a gearbox solenoid valve, which is used in the injection mold design process. The utility model does not limit the specifications of the winding coil skeleton required for injection molding, but the fixed mold plate 1, the fixed mold base 2, the injection mold group 3, the movable mold base 4, the coil skeleton tail piece positioning block 5, the main body side core pulling module 6, the vertical groove side core pulling module 7, the movable mold plate 9 and the mold closing buffer module 8 structure are particularly suitable for the injection molding process of the winding coil skeleton of the gearbox solenoid valve.

[0066] In general, the winding coil skeleton injection mold of the gearbox solenoid valve proposed in the utility model mainly includes: a fixed mold plate 1, a fixed mold seat 2, an injection mold group 3, a movable mold seat 4, a coil skeleton tail piece positioning block 5, a main body side core pulling module 6, a vertical groove side core pulling module 7, a movable mold plate 9 and a mold closing buffer module 8. Figure 1 , which shows the arrangement relationship of the fixed mold plate 1, the fixed mold base 2, the injection mold group 3, the movable mold base 4, the coil skeleton tail piece positioning block 5, the main body side core pulling module 6, the vertical slot side core pulling module 7, the movable mold plate 9 and the mold closing buffer module 8.

[0067] When the winding coil skeleton injection mold of the gearbox solenoid valve proposed by the utility model is used, the fixed template 1 and the movable template 9 are respectively installed on the injection molding machine table. Before injection molding, the bottom of the inclined guide column 612 needs to be inserted between the locking guide block 611 and the inclined drive groove 610 close to the groove wall on the side of the central axis of the movable mold base 4. Before injection molding, the rear choke sleeve is inserted into the rear choke sleeve installation positioning groove 53. When the mold is closed, the injection molding machine pushes the movable template 9 to move toward the side of the fixed template 1, and the inclined guide column 612 pushes the main core pulling drive block 64 along the guide block 63 to move toward the side of the central axis of the movable mold base 4, and the No. 1 cavity block 65 is spliced ​​with each other away from the side of the main core pulling drive block 64. The bottom of the No. 1 cavity block 65 is clamped between the choke sleeve positioning blocks, and the rear choke sleeve injection locking groove 67 is spliced ​​with the rear choke sleeve positioning block 52, so that the cavity in the injection mold is formed into a whole, and the core The rod 34 passes through the combined semicircular cavity 66 and enters the rear choke sleeve, so that an injection molding area is formed between the cavity positioning hole 33, the core rod 34 and the semicircular cavity 66 and the rear choke sleeve. At the same time, the guide column 21 enters the guide sleeve 41 to complete the mold closing between the fixed mold base 2 and the movable mold base 4, and the injection pipeline in the injection molding machine is connected to the gate sleeve 31 in the injection mold group 3. During injection molding, high-temperature liquid material is introduced into the injection pipeline, and the material enters from the gate sleeve 31 and enters the cavity positioning hole 33 along the inverted T-shaped injection channel 35. After the injection molding is completed and cooled, the injection molding machine controls the movable template 9 to move away from the fixed template 1, and the inclined guide column 612 pushes the main core pulling drive block 64 along the guide block 63 to the U-shaped extension block 61 side, and then the pin 76 is turned to remove the mounting block 75. After removing the T-shaped drive block 73, the molded injection molded part can be removed.

[0068] The above-mentioned injection mold 3 is arranged in the middle of the fixed mold groove 22, and the injection mold 3 includes: a tapered groove, a gate sleeve 31, an injection positioning core 32, a core rod 34, an inverted T-shaped injection channel 35 and a positioning block 36, wherein the tapered groove is opened in the middle of the top of the fixed mold plate 1, the gate sleeve 31 is clamped in the tapered groove, and the injection positioning core 32 is connected by a pin in the middle of the fixed mold groove 22, and the front and rear sides of the injection positioning core 32 are symmetrically opened along the central axis of the injection positioning core 32. The cavity positioning holes 33 A core rod 34 is clamped in the cavity positioning hole 33, and an inverted T-shaped injection channel 35 is penetrated in the middle of the fixed template 1. The inverted T-shaped injection channel 35 realizes double-station injection molding. The top of the inverted T-shaped injection channel 35 is communicated with the conical groove, and the left and right sides of the bottom of the inverted T-shaped injection channel 35 are communicated with the cavity positioning hole 33. Positioning blocks 36 are arranged on the left and right sides of the cavity positioning hole 33. The positioning blocks 36 are integrated with the injection positioning core 32, and a slot 37 is opened in the middle of the positioning block 36.

[0069] The above-mentioned coil skeleton tail piece positioning block 5 is placed at the bottom center of the movable mold groove 42, and tail piece clearance grooves 51 are symmetrically opened on the left and right sides of the top of the coil skeleton tail piece positioning block 5, and rear choke sleeve positioning blocks 52 are respectively arranged on the left and right sides of the tail piece clearance groove 51 at the top of the coil skeleton tail piece positioning block 5, and a rear choke sleeve installation positioning groove 53 is arranged on the side of the rear choke sleeve positioning block 52 close to the tail piece clearance groove 51.

[0070] The above-mentioned main body side core pulling module 6 is respectively arranged on the left and right sides of the movable mold groove 42, and the side cover of the main body side core pulling module 6 close to the central axis of the movable mold seat 4 is arranged on the top of the coil skeleton tail piece positioning block 5, and the main body side core pulling module 6 includes: a U-shaped extension block 61, a guide block 63, a main core pulling drive block 64, a No. 1 cavity block 65, an inclined drive groove 610 and an inclined guide column 612, wherein the U-shaped extension block 61 is arranged on the left and right sides of the movable mold groove 42 by bolt connection, a T-shaped track groove 62 is opened on one side of the U-shaped extension block 61, and the other side of the T-shaped track groove 62 passes through the U-shaped extension block 61 and extends into the movable mold groove 42, and a guide block 63 is arranged on the left and right sides of the top of the T-shaped track groove 62 by bolt connection, the main core pulling drive block 64 is in an inverted T shape, the main core pulling drive block 64 is arranged in the T-shaped track groove 62, and the bottom of the main core pulling drive block 64 is clamped between the guide block 63 and the bottom of the T-shaped track groove 62, the No. 1 cavity One side of the block 65 is connected to the main core-pulling drive block 64 by bolt connection, and the other side of the No. 1 cavity block 65 is covered on the top of the coil skeleton tail piece positioning block 5. Semicircular cavities 66 are symmetrically arranged on the left and right sides of one end of the No. 1 cavity block 65 away from the main core-pulling drive block 64, and a rear choke sleeve injection locking groove 67 is arranged at the bottom of the semicircular cavity 66. A square groove positioning groove 68 is arranged on the top of the semicircular cavity 66 near the main core-pulling drive block 64. A latch 69 is penetrated in the middle of the square groove positioning groove 68. The latch 69 is inserted into the slot 37 for easy positioning during mold closing. An inclined driving groove 610 is obliquely opened in the middle of the main core-pulling drive block 64, and locking guide blocks 611 are welded on the left and right side walls of the top of the inclined driving groove 610. An inclined guide column 612 is obliquely penetrated on the left and right sides of the fixed mold groove 22, and the bottom of the inclined guide column 612 passes through the gap between the locking guide block 611 and the side wall of the inclined driving groove 610 close to the central axis of the movable mold seat 4 and extends downward.

[0071] The above-mentioned vertical groove side core pulling module 7 is respectively arranged on the front and rear sides of the movable mold groove 42, and the side of the vertical groove side core pulling module 7 close to the central axis of the movable mold base 4 is clamped between the No. 1 cavity block 65 and the coil skeleton tail piece positioning block 5 in the main body side core pulling module 6. The vertical groove side core pulling module 7 includes: a vertical groove 71, a vertical groove core pulling block 72, a mounting block 75 and an L-shaped clamping block 77, wherein the bottom groove wall of the vertical groove 71 is located on the front and rear sides of the coil skeleton tail piece positioning block 5, the top of the vertical groove 71 passes through the coil skeleton tail piece positioning block 5 and enters the No. 1 cavity block 65, one side of the vertical groove 71 is connected to the rear choke sleeve installation positioning groove 53, and a vertical groove core pulling block 72 is clamped in the vertical groove 71, and the vertical groove core pulling block 72 is away from the central axis of the movable mold base 4. A T-shaped driving block 73 is provided on the side through bolt connection, and a locking hole 74 is opened in the middle of the T-shaped driving block 73. Mounting blocks 75 are provided at the bottom of the left and right sides of the T-shaped driving block 73. A pin 76 is passed through the middle of the mounting block 75. The pin 76 passes through the T-shaped driving block 73 and is connected to the movable mold groove 42 and the movable mold seat 4 in sequence to limit the vertical groove core pulling block 72. An L-shaped clamping block 77 is provided on the front and rear sides of the fixed mold groove 22 through bolt connection. The bottom of the L-shaped clamping block 77 contacts the T-shaped driving block 73 to limit the T-shaped driving block 73 when the mold is closed. A locking rod 78 is passed through the side of the L-shaped clamping block 77 close to the central axis of the fixed mold groove 22. The bottom of the locking rod 78 is clamped in the locking hole 74 to facilitate positioning when the mold is closed.

[0072] The mold closing buffer module 8 is arranged between the movable mold plate 9 and the movable mold base 4, and the mold closing buffer module 8 includes: a connecting vertical plate 81, a buffer plate 82, a buffer block 83 and a positioning column 84, wherein the top of the connecting vertical plate 81 is arranged on the left and right sides of the bottom of the movable mold base 4 by bolt connection, the bottom of the connecting vertical plate 81 is connected to the movable mold plate 9 by bolt connection, a buffer plate 82 is arranged in the middle of the top of the movable mold plate 9 by bolt connection, and a buffer block 83 is arranged in an array in the middle of the bottom of the movable mold base 4. The bottom of the buffer block 83 passes through the buffer plate 82 and is connected to the movable mold plate 9, and positioning columns 84 are clamped around the top of the buffer plate 82. The top of the positioning column 84 penetrates into the bottom of the movable mold base 4, and a spring 85 is sleeved on the outer side of the positioning column 84 to reduce vibration during mold closing and extend the life of the mold.

[0073] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A winding coil skeleton injection mold for a gearbox solenoid valve, characterized in that: include: Fixed template (1); A fixed die seat (2), the fixed die seat (2) is arranged on the bottom of the fixed die plate (1) by bolt connection, guide pillars (21) are arranged around the bottom of the fixed die seat (2), a fixed die groove (22) is opened in the middle of the bottom of the fixed die seat (2), and the fixed die groove (22) is in a cross shape; An injection mold group (3), wherein the injection mold group (3) is arranged in the middle of the fixed mold groove (22); A movable mold base (4), wherein a guide sleeve (41) is provided around the top of the movable mold base (4), wherein the guide sleeve (41) is sleeved on the outside of the guide pillar (21), a movable mold groove (42) is provided in the middle of the top of the movable mold base (4), and a coil skeleton tail piece positioning block (5) is placed in the middle bottom of the movable mold groove (42); A main body side core pulling module (6), the main body side core pulling module (6) is respectively arranged on the left and right sides of the movable mold groove (42), and a side cover of the main body side core pulling module (6) close to the central axis of the movable mold base (4) is arranged on the top of the coil skeleton tail piece positioning block (5); A vertical slot side core pulling module (7), wherein the vertical slot side core pulling module (7) is respectively arranged on the front and rear sides of the movable mold groove (42), and the side of the vertical slot side core pulling module (7) close to the central axis of the movable mold base (4) is clamped between the No. 1 cavity block (65) in the main body side core pulling module (6) and the coil skeleton tail piece positioning block (5); A movable die plate (9) is arranged directly below the movable die base (4), and a mold clamping buffer die set (8) is arranged between the movable die plate (9) and the movable die base (4).

2. The winding coil skeleton injection mold of the gearbox solenoid valve according to claim 1, characterized in that: The injection molding module (3) comprises: A conical groove, the conical groove is opened in the middle of the top of the fixed mold plate (1), and a gate sleeve (31) is clamped in the conical groove; An injection molding positioning core (32), the injection molding positioning core (32) is arranged in the middle of the fixed mold groove (22) through a pin connection, and cavity positioning holes (33) are symmetrically opened on the front and rear sides of the injection molding positioning core (32) along the central axis of the injection molding positioning core (32), and a core rod (34) is clamped in the cavity positioning hole (33); An inverted T-shaped injection channel (35), the inverted T-shaped injection channel (35) is arranged in the middle of the fixed mold plate (1), the top of the inverted T-shaped injection channel (35) is communicated with the conical groove, and the bottom of the inverted T-shaped injection channel (35) is communicated with the cavity positioning hole (33) on both sides; A positioning block (36) is arranged on the left and right sides of the cavity positioning hole (33), the positioning block (36) is integrally arranged with the injection positioning core (32), and a slot (37) is provided in the middle of the positioning block (36).

3. The winding coil skeleton injection mold of the gearbox solenoid valve according to claim 2, characterized in that: The left and right sides of the top of the coil skeleton tail piece positioning block (5) are symmetrically provided with tail piece clearance grooves (51); the top of the coil skeleton tail piece positioning block (5) is located on the left and right sides of the tail piece clearance groove (51) and rear choke sleeve positioning blocks (52) are respectively provided; and the rear choke sleeve installation positioning groove (53) is provided on one side of the rear choke sleeve positioning block (52) close to the tail piece clearance groove (51).

4. The winding coil skeleton injection mold of the transmission solenoid valve according to claim 3, characterized in that: The main body side core pulling module (6) comprises: A U-shaped extension block (61), the U-shaped extension block (61) being arranged on the left and right sides of the movable mold groove (42) by bolt connection, one side of the U-shaped extension block (61) being provided with a T-shaped track groove (62), and the other side of the T-shaped track groove (62) passing through the U-shaped extension block (61) and extending into the movable mold groove (42); A guide block (63), wherein the guide block (63) is arranged on the left and right sides of the top of the T-shaped track groove (62) by bolt connection; A main core-pulling driving block (64), wherein the main core-pulling driving block (64) is in an inverted T-shape, and the main core-pulling driving block (64) is arranged in the T-shaped track groove (62), and the bottom of the main core-pulling driving block (64) is clamped between the guide block (63) and the bottom of the T-shaped track groove (62); A number one cavity block (65), one side of the number one cavity block (65) is connected to the main core pulling drive block (64) by bolt connection, the other side of the number one cavity block (65) is covered on the top of the coil skeleton tail piece positioning block (5), the number one cavity block (65) is symmetrically provided with semicircular cavities (66) on the left and right sides of one end away from the main core pulling drive block (64), the bottom of the semicircular cavity (66) is provided with a rear choke sleeve injection locking groove (67), the top of the semicircular cavity (66) is provided with a square groove positioning groove (68) on the side close to the main core pulling drive block (64), and a latch (69) is passed through the middle of the square groove positioning groove (68); An inclined driving groove (610), the inclined driving groove (610) is inclinedly opened in the middle of the main core-pulling driving block (64), and locking guide blocks (611) are arranged on the left and right side walls of the top of the inclined driving groove (610) by welding; An inclined guide column (612), wherein the top of the inclined guide column (612) is obliquely arranged on the left and right sides of the fixed mold groove (22), and the bottom of the inclined guide column (612) passes through the gap between the locking guide block (611) and the side wall of the inclined driving groove (610) close to the central axis of the movable mold base (4) and extends downward.

5. The winding coil frame injection mold of the gearbox solenoid valve according to claim 4, characterized in that: The vertical groove side core pulling module (7) comprises: A vertical clearance groove (71), the bottom groove wall of which is located at the front and rear sides of the coil frame tail piece positioning block (5), the top of which passes through the coil frame tail piece positioning block (5) and enters the first cavity block (65), and one side of which is in communication with the rear choke sleeve installation positioning groove (53); A vertical groove core pulling block (72), wherein the vertical groove core pulling block (72) is clamped in the vertical groove (71), and a T-shaped driving block (73) is provided on the side of the vertical groove core pulling block (72) away from the central axis of the movable mold base (4) through bolt connection, and a locking hole (74) is provided in the middle of the T-shaped driving block (73); A mounting block (75), the bottom of which is arranged on the left and right sides of the T-shaped driving block (73), a pin (76) is passed through the middle of the mounting block (75), and the pin (76) passes through the T-shaped driving block (73) and the movable mold groove (42) and is connected to the movable mold seat (4) in sequence; An L-shaped clamping block (77) is arranged on the front and rear sides of the fixed mold groove (22) by bolt connection, the bottom of the L-shaped clamping block (77) contacts the T-shaped driving block (73), and a locking rod (78) is passed through one side of the L-shaped clamping block (77) close to the central axis of the fixed mold groove (22), and the bottom of the locking rod (78) is clamped in the locking hole (74).

6. The winding coil frame injection mold of the transmission solenoid valve according to claim 5, characterized in that: The mold clamping buffer module (8) comprises: A connecting vertical plate (81), wherein the top of the connecting vertical plate (81) is connected to the left and right sides of the bottom of the movable die base (4) by bolt connection, and the bottom of the connecting vertical plate (81) is connected to the movable die plate (9) by bolt connection; A buffer plate (82), the buffer plate (82) being arranged in the middle of the top of the moving template (9) by bolt connection; Buffer blocks (83), wherein the buffer blocks (83) are arranged in an array in the middle of the bottom of the movable die base (4), and the bottom of the buffer blocks (83) passes through the buffer plate (82) and is connected to the movable die plate (9); A positioning column (84) is clamped around the top of the buffer plate (82), the top of the positioning column (84) penetrates into the bottom of the movable mold base (4), and a spring (85) is sleeved on the outer side of the positioning column (84).

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