Connector insulator plastic compression mold
By setting lubricating oil grooves and lubricating pads on the outside of the guide pillars, the problem of uneven mold lubrication is solved, ensuring smooth contact between the guide sleeve and the guide pillars, improving the mold closing accuracy and demolding efficiency, and enhancing the plastic compression processing quality of the connector insulator.
Patent Information
- Application Number
- CN202423226054.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing technologies, uneven lubrication of the guide sleeve and guide post during mold closing and opening leads to increased friction, affecting processing accuracy and the quality of insulator compression molding.
An annular lubricating oil groove and lubricating pad are set on the outside of the guide pillar. Lubricating oil is added through the oil injection port to ensure smooth contact between the guide sleeve and the guide pillar. An ejection component is set inside the mold to automatically demold using a return spring.
It achieves uniform lubrication between the guide sleeve and the guide pillar, avoids wear, improves mold closing accuracy and processing efficiency, simplifies the demolding process, and improves the overall performance of the plastic compression mold.
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Figure CN223657507U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to die technical field, especially relate to a connector insulator plastic pressure die. BACKGROUND
[0002] The plastic pressure die is a tool for directly adding plastic raw materials into a mold cavity, making the plastic become a flowing state and fill the cavity through heating and pressure, and then hardening the product through chemical cross-linking or physical cooling. The insulator of the connector is a key component in the connector, which is usually made of non-conductive materials such as plastic. The plastic pressure die is used in the manufacturing of the connector insulator.
[0003] The utility model discloses a plastic pressure die of shaped electric connector special-shaped rear insulator, be used for the plastic pressure of electric connector special-shaped rear insulator, the die includes: the upper flat plate for the top end of plastic piece seal material, the female die plate for forming, the lower flat plate for the bottom end of plastic piece seal material, the unloading frame for unloading after plastic pressure, the piece ware is used for taking out the plastic piece from the female die. The plastic pressure die of shaped electric connector special-shaped rear insulator provided in the application realizes the pressing of electric connector special-shaped rear insulator, simple operation, good forming. However, the mold positioning stability is realized through the relative sliding guide sleeve and guide column when the mold is closed and opened in the application process of the technical scheme, and if the contact surface between the guide sleeve and the guide column is not maintained and lubricated, it is easy to cause friction increase or even damage, thereby affecting the machining precision of the mold. There is a technical problem that the mold guide structure cannot be continuously and uniformly lubricated to ensure the closing precision and the plastic pressure forming quality of the insulator. UTILITY MODEL CONTENTS
[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a connector insulator plastic pressure die, which can effectively solve the problems of the prior art.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0006] The utility model discloses a connector insulator plastic pressure die, including lower mould base, still include: the four corner places of lower mould base top are provided with guide column, the middle position of lower mould base top is provided with lower backing pad, the top of lower backing pad is provided with fixed mould, the top between guide column outside is provided with upper mould base, the both sides of upper mould base inside two ends are provided with guide sleeve, and the top of guide column penetrates the inside of guide sleeve, the middle position of upper mould base bottom is provided with upper backing pad, the bottom of upper backing pad is provided with movable mould, the bottom of guide sleeve is provided with lubricating oil groove, the top of lubricating oil groove front end is inserted and is connected with oil injection port, the bottom of lubricating oil groove inboard is embedded with lubricating pad, the inside of fixed mould and the bottom of movable mould are provided with ejection assembly.
[0007] Further, the lubricating oil groove and the lubricating pad are annular, and the lubricating oil groove is sleeved on the outside of the guide column.
[0008] Further, the vertical section of the lubricating pad is in the shape of "H", and the inner side of the lubricating pad is attached to the outer side wall of the guide column.
[0009] Further, the guide columns are parallel to each other, the lower die seat and the upper die seat are parallel to each other, and the guide sleeve can slide up and down on the outside of the guide column.
[0010] Further, the ejection assembly comprises a cavity arranged in the inside of the fixed die, a lifting plate arranged in the inside of the cavity, a reserved hole arranged at the middle position of the top end of the fixed die, an ejection rod penetrating through the inside of the reserved hole, a top sheet arranged at the top end of the ejection rod, positioning holes arranged at the two sides of the top end of the fixed die, a reset spring arranged at the bottom end of the lifting plate, and a reset pressing rod arranged at the middle position of the two sides of the bottom of the movable die.
[0011] Further, the bottom end of the ejection rod and the middle position of the top of the lifting plate are fixedly connected, the reset springs are arranged at equal intervals at the bottom of the lifting plate, the bottom end of the reset spring and the bottom end of the inside of the cavity are fixedly connected, and the reset pressing rod corresponds to the positioning hole.
[0012] The utility model has the following beneficial effects:
[0013] The utility model discloses a lubricating assembly is arranged at the bottom end of the guide sleeve outside the guide column, and when using, lubricating oil is filled into the annular lubricating oil groove through the oil injection port, and the lubricating pad is soaked, when the upper die seat drives the guide sleeve to move up and down on the outside of the guide column, the lubricating pad evenly coats lubricating oil on the outside of the guide column, so that the contact surface between the guide column and the guide sleeve keeps smooth, and the wear between the guide sleeve and the guide column caused by untimely lubrication is avoided, and the die closing precision and the plastic pressure processing quality of the connector insulator are further affected.
[0014] The utility model discloses an ejection assembly is arranged between the inside of the fixed die and the bottom of the movable die, and when using, the movable die is lowered to close the fixed die and drives the reset pressing rod to penetrate through the positioning hole and press down the lifting plate, so that the ejection rod and the top sheet reset, and the reset spring is compressed, after the plastic pressure processing of the connector insulator is formed, the movable die is lifted to open the fixed die, the reset rebound force of the reset spring pushes the lifting plate to lift and ejects the formed connector insulator by the ejection rod and the top sheet, without manually putting the hand into the mould to take out the plastic pressure formed connector insulator, so that the die is safely and quickly stripped, and the plastic pressure die processing efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0016] Figure 1 It is a perspective structural schematic view of the present application.
[0017] Figure 2 It is a front view partial sectional structural schematic view of the present application.
[0018] Figure 3 It is a lubricating oil groove side view sectional structural schematic view of the present application.
[0019] Figure 4 It is a Figure 2 It is an enlarged structural schematic view of A in the present application.
[0020] In the drawings, the component list represented by each number is as follows:
[0021] 1, lower die seat; 2, lower base plate; 3, fixed die; 4, guide column; 5, movable die; 6, lubricating oil groove; 7, upper die seat; 8, cavity; 9, guide sleeve; 10, upper base plate; 11, reset pressure rod; 12, positioning hole; 13, lubricating pad; 14, oil inlet; 15, top sheet; 16, ejection rod; 17, reserved hole; 18, lifting plate; 19, reset spring. Specific implementation
[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.
[0023] Please refer to Figures 1-4As shown in the utility model discloses a kind of connector insulator plastic pressure mould, including lower mould base 1, further include: four corners of lower mould base 1 top are provided with guide pillar 4, the middle position of lower mould base 1 top is provided with lower backing plate 2, the top of lower backing plate 2 is provided with fixed mould 3, the top between the outside of guide pillar 4 is provided with upper mould base 7, lower mould base 1 and upper mould base 7 are mutually parallel, the middle position of upper mould base 7 bottom is provided with upper backing plate 10, the bottom of upper backing plate 10 is provided with movable mould 5, when using plastic pressure mould forming manufacturing insulator, drive member is pushed to upper mould base 7 drives movable mould 5 to descend and is combined with fixed mould 3, and by heating and pressurizing, plastic becomes flowing state and fills cavity and is formed as insulating piece, then again by cooling means, insulating piece is hardened and shaped, the both ends of two sides in the inside of upper mould base 7 are provided with guide sleeve 9, guide pillar 4 is mutually parallel between, and guide sleeve 9 can be lifted and slid on the outside of guide pillar 4, and the top end of guide pillar 4 penetrates the inside of guide sleeve 9, when upper mould base 7 is lifted, guide sleeve 9 is lifted with it on the outside of guide pillar 4, to guarantee the precision of combination.
[0024] As further embodiments of the present embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , the bottom end of guide sleeve 9 is provided with annular lubricating oil groove 6, and the lubricating oil groove 6 is sleeved on the outside of guide pillar 4, the top of the front end of lubricating oil groove 6 is inserted with oil inlet 14, lubricating oil is filled into annular lubricating oil groove 6 through oil inlet 14, the bottom end of the inner side of lubricating oil groove 6 is embedded with annular lubricating pad 13, lubricating pad 13 absorbs the lubricating oil, the vertical section of lubricating pad 13 is "H" shape, and the inner side of lubricating pad 13 is attached to the outer side wall of guide pillar 4, when upper mould base 7 drives guide sleeve 9 to move up and down on the outside of guide pillar 4, lubricating oil is evenly coated on the outside of guide pillar 4 through lubricating pad 13, to ensure that the contact surface between guide pillar 4 and guide sleeve 9 keeps smooth at all times, to avoid that the lubrication is not timely, which causes abrasion between guide sleeve 9 and guide pillar 4, affecting the precision of combination, and further affecting the quality of connector insulator plastic pressure processing;
[0025] When used, lubricating oil is filled into annular lubricating oil groove 6 through oil inlet 14, and lubricating pad 13 is immersed, when upper mould base 7 drives guide sleeve 9 to move up and down on the outside of guide pillar 4, lubricating oil is evenly coated on the outside of guide pillar 4 through lubricating pad 13, to ensure that the contact surface between guide pillar 4 and guide sleeve 9 keeps smooth at all times;
[0026] As further embodiments of the present embodiment, as shown in Figure 1 、 Figure 2 and Figure 4As shown, the inside of the fixed mold 3 and the bottom of the movable mold 5 are provided with an ejection assembly, which includes a cavity 8 arranged in the inside of the fixed mold 3, reset pressure rods 11 arranged at the middle positions of the two sides of the bottom of the movable mold 5, a lifting plate 18 arranged in the inside of the cavity 8, a reserved hole 17 arranged at the middle position of the top of the inside of the fixed mold 3, an ejection rod 16 penetrating through the inside of the reserved hole 17, a top sheet 15 arranged at the top of the ejection rod 16, the bottom end of the ejection rod 16 and the middle position of the top of the lifting plate 18 being fixedly connected, positioning holes 12 arranged at the two sides of the top of the inside of the fixed mold 3, the reset pressure rods 11 corresponding to the positioning holes 12, the movable mold 5 descending to combine with the fixed mold 3 and driving the reset pressure rods 11 to descend to penetrate through the positioning holes 12 and to press down the lifting plate 18, so that the ejection rod 16 and the top sheet 15 reset, the bottom end of the lifting plate 18 being provided with reset springs 19, the reset springs 19 being arranged at equal intervals at the bottom of the lifting plate 18, the bottom end of the reset springs 19 and the bottom end of the inside of the cavity 8 being fixedly connected, the lifting plate 18 being compressed to descend when the reset springs 19 are compressed, and after the connector insulator is molded by plastic pressure, the movable mold 5 rises to separate from the fixed mold 3, the lifting plate 18 is pushed up by the reset rebound force of the reset springs 19 and the molded connector insulator is ejected by the ejection rod 16 and the top sheet 15, so that the molded connector insulator does not need to be manually taken out from the mold, thereby safely and quickly demolding and further improving the processing efficiency of the plastic pressure mold;
[0027] When in use, the movable mold 5 descends to combine with the fixed mold 3 and drives the reset pressure rods 11 to descend to penetrate through the positioning holes 12 and to press down the lifting plate 18, so that the ejection rod 16 and the top sheet 15 reset, and the reset springs 19 are compressed at the same time, after the connector insulator is molded by plastic pressure, the movable mold 5 rises to separate from the fixed mold 3, the lifting plate 18 is pushed up by the reset rebound force of the reset springs 19 and the molded connector insulator is ejected by the ejection rod 16 and the top sheet 15;
[0028] Working principle: when using the plastic pressure die, after installing the die on the machine tool, lubricating oil is filled into the annular lubricating oil groove 6 through the oil filling port 14, and the lubricating pad 13 is infiltrated, then the plastic raw material is placed in the die cavity, the upper die seat 7 is driven to drive the movable die 5 to descend and combine with the fixed die 3, and the plastic is made into a flowing state and fills the cavity to form an insulating part through heating and pressurizing, while the guide sleeve 9 ascends and descends outside the guide column 4 when the upper die seat 7 descends, so as to ensure the precision of the die combination, and the lubricating pad 13 uniformly coats the lubricating oil on the outside of the guide column 4, so as to ensure that the contact surface between the guide column 4 and the guide sleeve 9 keeps smooth at any time, and the movable die 5 descends and combines with the fixed die 3 and drives the reset pressure rod 11 to descend and penetrate the positioning hole 12 and press the lifting plate 18, so that the ejector rod 16 and the ejector sheet 15 reset, and the reset spring 19 is compressed, then the insulating part is hardened and shaped through the cooling means, then the driving part mobilizes the upper die seat 7 and the movable die 5 to ascend and separate, the lifting plate 18 is pushed up by the reset rebound force of the reset spring 19, and the connector insulator is ejected by the ejector rod 16 and the ejector sheet 15, that is, the plastic pressure forming operation of the connector insulator is completed.
[0029] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, belongs to the protection scope of the utility model.
Claims
1. A connector insulator molding die, comprising a lower die base (1), characterized in that, Also includes: The lower mold base (1) has guide pillars (4) at the four corners of its top. The lower mold base (1) has a lower pad (2) at the middle of its top. The lower pad (2) has a fixed mold (3) at its top. The upper mold base (7) is located between the guide pillars (4) and the upper mold base (7). The upper mold base (7) has guide sleeves (9) at both ends of its inner sides. The top of the guide pillars (4) penetrates the interior of the guide sleeves (9). The upper mold base (7) has an upper pad (10) at the middle of its bottom. The upper pad (10) has a moving mold (5) at its bottom. The guide sleeve (9) has a lubricating oil groove (6) at its bottom end. The lubricating oil groove (6) has an oil inlet (14) inserted into the top of its front end. The lubricating oil groove (6) has a lubricating pad (13) embedded in the bottom of its inner side. An ejector assembly is located between the interior of the fixed mold (3) and the bottom of the moving mold (5).
2. The connector insulator molding die according to claim 1, characterized in that, The lubricating oil groove (6) and the lubricating pad (13) are annular, and the lubricating oil groove (6) is sleeved on the outside of the guide post (4).
3. The connector insulator molding die according to claim 1, characterized in that, The vertical cross section of the lubricating pad (13) is "H" shaped, and the inner side of the lubricating pad (13) is in contact with the outer sidewall of the guide post (4).
4. The connector insulator molding die according to claim 1, characterized in that, The guide pillars (4) are parallel to each other, the lower mold base (1) and the upper mold base (7) are parallel to each other, and the guide sleeve (9) can slide up and down outside the guide pillars (4).
5. A connector insulator molding die according to claim 1, characterized in that, The ejection assembly includes a cavity (8), which is located inside the fixed mold (3). A lifting plate (18) is provided inside the cavity (8). A pre-drilled hole (17) is provided at the middle position of the top of the fixed mold (3). An ejection rod (16) passes through the pre-drilled hole (17). A top plate (15) is provided at the top of the ejection rod (16). Positioning holes (12) are provided on both sides of the top of the fixed mold (3). A return spring (19) is provided at the bottom of the lifting plate (18). A return pressure rod (11) is provided at the middle position of both sides of the bottom of the moving mold (5).
6. A connector insulator molding die according to claim 5, characterized in that, The bottom end of the ejector rod (16) is fixedly connected to the middle position of the top of the lifting plate (18). The reset spring (19) is arranged at equal intervals at the bottom of the lifting plate (18). The bottom end of the reset spring (19) is fixedly connected to the bottom end inside the cavity (8). The reset pressure rod (11) corresponds to the positioning hole (12).
Citation Information
Patent Citations
Plastic compression mold for forming special-shaped rear insulator of electric connector
CN221717707U