CN216544413U - A kind of insert encapsulation suspension feeding mould - Google Patents

Abstract

The utility model aims to provide an insert encapsulation suspension feeding die which is characterized in that: the device comprises a cover sealing die, a forming die, a die core positioning slide block, a forming die core and a die core lifting driver, wherein the cover sealing die is provided with two glue injection holes, four die closing pillars and four positioning pillars, the forming die is provided with four die closing holes, four die positioning holes, two forming die core fastening pins, a slide block limiting plate and a glue injection parting line, the die core positioning slide block is provided with a positioning needle lock pin and two side needles, the positioning needle lock pin is provided with three positioning needles, the forming die core is provided with a product clamping block, the product clamping block is provided with three product positioning holes and two side needle insertion holes, the whole die utilizes an edge non-functional surface adding material of a metal insert as a clamping position to enable a rubber coating surface of the metal insert to be suspended in a die cavity, the rubber coating effects of uniform rubber coating on the surface of a product and no thimble printing are realized, the rubber coating quality and the yield of the metal insert are improved, and the processing repair rate is reduced, thereby saving costs.

Description

A kind of insert and encapsulation suspension feeding mould

technical field

The utility model relates to the field of mechanical processing, in particular to an insert-coated rubber suspension feeding mould.

Background technique

Liquid silica gel is abbreviated as LSR in English. It is a product that can be favored by consumers and manufacturers. Liquid silica gel is made of silica gel products. It has good elasticity, waterproof and moisture resistance, and is resistant to acid, alkali and other chemical substances. , The overmolding injection molding of most seals can achieve the advantages of one-time molding, no waste and automation during production and processing. The use of injection molding, mass, rapid vulcanization, and repetitive mechanical production, the performance of its products is better. High thermal stability, cold resistance, excellent electrical insulation performance, no toxic substances are produced when burning, so it is used in the production design of health products, automobiles, baby products, medical products, diving products, kitchen utensils and seals, etc. It has become an irreplaceable material; it is also a commonly used processing method in LSR and metal parts encapsulation operations, and the existing operation modes and methods for metal parts encapsulation use the thimble positioning or clamping positioning method, and the positioning position cannot wrap silicone , it is impossible to realize the full encapsulation of the functional surface of the metal parts, and at the same time, it cannot achieve the effect of uniform encapsulation; in summary, it is necessary to develop and design a set of more comprehensive encapsulation feed molds to solve the problem that the metal parts cannot be fully encapsulated. The problem of encapsulation and uniform encapsulation is to improve the quality and yield of metal parts.

Utility model content

The purpose of the present utility model is to provide a kind of coating operation suitable for LSR and metal inserts. The non-functional surface of the edge of the metal insert is used to increase the material as a clamping position, and a cylinder is used to cooperate with a thimble for clamping and positioning, so that the metal insert is clamped and positioned. The rubber-coated surface is suspended in the mold cavity, and the glue is fed through the parting line position, so as to realize the uniform coating operation on the top and bottom of the product, and also realize the coating effect of uniform coating on the product surface and no thimble printing. The operation is simpler and more convenient. Improve the quality and yield rate of metal insert encapsulation, reduce the processing repair rate, and thus save the cost of the insert encapsulation suspended feed mold and its working method.

The technical scheme of the utility model is as follows: an insert and encapsulation suspension feeding mold, which is characterized in that it comprises a capping mold, a forming mold, a mold core positioning slider, a forming mold core and a mold core lifting driver, and the cover There are also two injection holes, four clamping pillars and four positioning pillars on the mold. The two injection holes are located on the top of the capping mold, and the two injection holes are fixed with the capping mold. connection, the four clamping pillars are respectively located at the four corner positions of the lower part of the capping mold, the four clamping pillars are fixedly connected with the capping mold, and the four positioning pillars are located at the lower part of the capping mold, and The four positioning pillars are located on the inner side of the four clamping pillars, and the four positioning pillars are fixedly connected to the capping mold, the forming mold is located at the lower part of the capping mold, and the forming mold and the capping mold are Removable connection, the forming mold is also provided with four mold clamping holes, four mold positioning holes, two forming mold core fastening pins, a slider limit plate and an injection parting line. The mold clamping holes are located at the four corners of the upper part of the forming mold, the four mold clamping holes are fixedly connected to the forming mold, and the positions of the four mold clamping holes on the forming mold are distributed with the four clamping pillars. The position distribution on the capping mold is the same, the four mold positioning holes are located at the lower part of the forming mold, and the four mold positioning holes are located inside the four mold clamping holes, and the four mold positioning holes are The forming mold is fixedly connected, the position distribution of the four mold positioning holes on the forming mold is the same as the position distribution of the four positioning pillars on the capping mold, and the two forming core fastening pins are horizontally and parallel to the forming mold. The upper part of the mold core, the two forming core fastening pins are pluggable and connected to the forming mold, and any of the forming mold core fastening pins are also provided with limit sliding holes and two mold core fastening pin limit blocks , the limit sliding hole is located in the middle of the forming mold core fastening pin, the limit sliding hole and the forming mold core fastening pin are fixedly connected, and the two mold core fastening pin limit blocks are located horizontally and parallel respectively. Forming the two sides of the core tightening pin, the two core tightening pin limit blocks are fixedly connected to the forming die, and the core positioning sliders and the slider limit plates are all located on the two forming cores The position between the fastening pins, and the core positioning slider is located on the inner side of the forming mold, the core positioning slider and the forming mold are pluggable connections, and the slider limit plate is located in the core positioning On the upper part of the slider, the slider limit plate is fixedly connected with the molding die, and the mold core positioning slider is also provided with a positioning pin lock pin and two side pins, and the positioning pin lock pin is located in the mold core positioning On one side of the slider, the positioning pin locking pin passes through the mold core positioning slider for a pluggable connection, and there are three positioning pins on the positioning pin locking pin, and the three positioning pins are at the same interval. The distance is horizontal and parallel to one end of the positioning pin lock pin that is close to the side of the molding die core, the three positioning pins are fixedly connected to the positioning pin lock pin, and the two side pins are located on both sides of the positioning pin lock pin, so The two side pins pass through the mold core positioning slider for pluggable connection, the forming mold core is located in the middle of the inner side of the forming mold, and the forming mold core is connected to the forming mold. The tool is an active connection, and the forming die core is also provided with a product clamping block. The product clamping block is located on one side of the forming die core near the position of the die core positioning slider. The mold core is fixedly connected, and the product clamping block is also provided with three product positioning holes and two side pin insertion holes. The three product positioning holes are fixedly connected to the product clamping block, the two side pin insertion holes are horizontally and parallelly located on both sides of the three product positioning holes, and the two side pin insertion holes are It is fixedly connected with the product clamping block, and the position distribution of the two side needle sockets on the product clamping block is the same as the position distribution of the two side needles on the mold core positioning slider. The glue injection parting line It is located at the upper part of the forming mold close to the outside of the forming mold core. The injection parting line is fixedly connected to the forming mold. The core lifting driver is located at the lower part of the forming mold. , and one end of the core lifting driver passes through the forming die and is connected with the forming core.

Further, the two forming mold core fastening pins are both in-line mold key pins with snap-in top posts.

Further, the mold core positioning slider is a slide-type top block.

Further, the forming mold core is a mold core with a Teflon coating.

Further, the mold core lift driver is an electronically controlled hydraulic lift drive device.

work method:

The whole set of molds is installed on the numerical control equipment, and the cylinder control switch on the numerical control equipment is used to complete the injection molding, vulcanization and overmolding of metal inserts and the extraction of finished parts. The specific operation steps are as follows:

Step 1. Open the mold core: Press the "Mold Core Open" button on the cylinder control switch. At this time, the two forming core fastening pins on the upper part of the forming mold are opened outwards, and confirm that the two forming mold core fastening pins are open. In place, the key pin of the forming die core is opened, and the forming die core is in a loose state, which is convenient for the demoulding of the die core positioning slider and the forming die core;

Step 2. Side needle opening: Press the "side needle opening" button on the cylinder control switch. At this time, the two side needles on one side of the mold core positioning slider are opened outward, and confirm that the two side needles are opened in place, so that the mold core is opened. The clamping state of the core positioning slider and the forming core is released, which facilitates the subsequent ejection of the forming core;

Step 3. Open the mold core positioning slider: press the "slider open" button on the cylinder control switch, at this time, the mold core positioning slider will be separated from the forming mold core, and confirm that the mold core positioning slider is separated in place to achieve The mold core positioning slider and the mold release of the forming mold core;

Step 4. Forming core ejection: Press the "ejection" button on the cylinder control switch. At this time, the core lifting driver at the lower part of the forming mold will push the forming die core upward and confirm that the forming die core is pushed out in place. , let the forming core be ejected from the middle of the forming mold;

Step 5. Open the positioning pin: press the "positioning pin in" button on the cylinder control switch. At this time, the positioning pin locking pin on the side of the mold core positioning slider is pushed out to the position of the forming mold core. The three positioning pins connected with the positioning pin lock pin will also be ejected, and these three positioning pins are attached to one side of the forming core in the raised state, thereby forming a connection between the positioning needle and the forming core. Bearing structure to facilitate the positioning and placement of metal inserts;

Step 6. Loading of metal inserts: The operator places the metal insert that needs to be injected and vulcanized on the forming die core. Due to the fit between the positioning pin and the forming die core, the operator can quickly and accurately find the non-ferrous metal insert on the metal insert. The functional surface increases the bonding point between the material and the molding core, which facilitates the precise positioning and placement of the clamping position, and confirms that the metal inserts that need to be injected and vulcanized are placed in place;

Step 7. Positioning pin withdrawal: Press the "positioning pin out" button on the cylinder control switch. At this time, the positioning pin lock pin on the side of the mold core positioning slider is withdrawn. The three positioning pins connected by the needle lock pins will also be accommodated inside the mold core positioning slider, so that the metal inserts that need to be injected and vulcanized are attached to the molding mold core;

Step 8. Reset the mold core positioning slider: press the "top-back" button on the cylinder control switch. At this time, the mold core lift driver at the lower part of the forming mold will pull the forming mold core to move down, and confirm that the forming mold core falls back and resets. , let the forming core return to the middle of the forming mold, and at the same time confirm that the loaded metal inserts that need to be injected and vulcanized are not deformed;

Step 9. The mold core positioning slider is closed: press the "slider off" button on the cylinder control switch. At this time, the mold core positioning slider will be closed with the forming mold core, and the mold core positioning slider will be confirmed in place. , to realize the bonding and splicing of the mold core positioning slider and the forming mold core;

Step 10. Side needle close: Press the "side needle close" button on the cylinder control switch. At this time, the two side needles on one side of the mold core positioning slider are pushed into the forming mold core, and confirm that the two side needles are inserted into the mold core. In the forming die core, the alignment and positioning of the die core positioning slider and the forming die core clamping;

Step 11. Glue injection and finished product: Clamp the capping mould and the forming mould, inject glue into the forming mould through the two glue injection holes on the top of the capping mould, and the glue enters the mould along the parting line. The surface of the metal insert on the mold core is formed to complete the overmolding and vulcanization operation of the metal insert. Then, open the cover mold and the forming mold, and confirm that the mold is moved in place. Open” button, confirm that the two forming core fastening pins are opened in place, and then press the “side needle open” button on the cylinder control switch to confirm that the two side needles are opened in place, and then press the “slider” button on the cylinder control switch. Press the "Block Open" button to confirm that the mold core positioning slider is separated in place, and then press the "Eject" button on the cylinder control switch to confirm that the molding mold core is ejected in place. , and take out the residual material head of injection vulcanization, and then complete the operation.

The beneficial effect of the utility model is that: the insert encapsulation suspension feeding mould is suitable for the encapsulation operation of LSR and metal insert, the whole set of mould uses the non-functional surface of the edge of the metal insert to increase the material as the clamping position, and adopts the cylinder to cooperate with the thimble. Clamping and positioning is carried out, so that the rubber-coated surface of the metal insert is suspended in the mold cavity, and the glue is fed through the parting line position, so as to realize the uniform coating operation on the top and bottom of the product, and also realize the uniform coating on the surface of the product without thimble printing. The lagging effect, the operation is more simple and convenient, the quality and yield of the metal inserts are improved, and the processing repair rate is reduced, thereby saving costs.

Description of drawings

Fig. 1 is the front view of the utility model.

FIG. 2 is a schematic diagram of the separation state of the capping mold and the forming mold of the present invention.

Figure 3 is a schematic diagram of the structure of the molding die of the present invention.

FIG. 4 is a schematic diagram of the ejecting state of the molding die core of the present invention.

FIG. 5 is a schematic top view of the structure of the molding die of the present invention.

Among them: 1. Covering mold 2. Injection hole 3. Clamping pillar

4. Positioning pillar 5. Forming mold 6. Mold clamping hole

7. Mould positioning hole 8. Forming core fastening pin 9. Limit sliding hole

10. The mold core fastening pin limit block 11. The mold core positioning slider 12. The slider limit plate

13. Positioning pin lock pin 14. Positioning pin 15. Side pin

16. Forming die core 17. Product clamping block 18. Product positioning hole

19. Side pin jack 20. Glue injection parting line 21. Mold core lift driver

Detailed ways

The specific embodiments of the present invention will be briefly described below with reference to the accompanying drawings.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, an insert-encapsulated suspension feeding mold is characterized in that it includes a capping mold 1, a forming mold 5, a mold core positioning slider 11, a forming The mold core 16 and the mold core lift driver 21 are also provided with two glue injection holes 2, four mold clamping pillars 3 and four positioning pillars 4 on the cover mold 1, and the two glue injection holes 2 are located in the sealing On the top of the cover mold 1, the two injection holes 2 are fixedly connected with the cover mold 1, and the four mold clamping pillars 3 are respectively located at the four corners of the lower part of the cover mold 1. The four mold clamping The pillars 3 are all fixedly connected with the capping mold 1, the four positioning pillars 4 are located at the lower part of the capping mold 1, and the four positioning pillars 4 are located inside the four clamping pillars 3, and the four positioning pillars 4 are located at the inner side of the four clamping pillars 3. The pillars 4 are fixedly connected to the capping die 1, the forming die 5 is located at the lower part of the capping die 1, the forming die 5 is detachably connected to the capping die 1, and the forming die 5 is also provided with four A mold clamping hole 6, four mold positioning holes 7, two forming core fastening pins 8, a slider limit plate 12 and an injection parting line 20, the four mold clamping holes 6 are located in the forming mold At the four corner positions of the upper part, the four mold clamping holes 6 are fixedly connected with the forming mold 5, and the positions of the four mold clamping holes 6 on the forming mold 5 are distributed with the four clamping pillars 3. The position distribution on the capping mold 1 is the same, the four mold positioning holes 7 are located at the lower part of the forming mold 5, and the four mold positioning holes 7 are located inside the four mold clamping holes 6, and the four mold positioning holes 7 The positioning holes 7 are all fixedly connected with the molding die 5. The position distribution of the four mold positioning holes 7 on the molding die 5 is the same as the position distribution of the four positioning pillars 4 on the capping die 1. The two molding The core tightening pins 8 are located horizontally and in parallel on the upper part of the forming die 5, the two forming core tightening pins 8 are pluggable and connected to the forming die 5, and any of the forming core tightening pins 8 are also provided. There are limited sliding holes 9 and two mold core fastening pin limit blocks 10. The limiting sliding holes 9 are located in the middle of the forming mold core fastening pins 8, and the limiting sliding holes 9 are connected to the forming mold core fastening pins. 8 is a fixed connection, the two mold core fastening pin limit blocks 10 are located on both sides of the forming mold core fastening pin 8 horizontally and parallel, and the two mold core fastening pin limit blocks 10 are both connected to the forming mold. 5 is a fixed connection, the mold core positioning slider 11 and the slider limit plate 12 are all located between the two forming mold core fastening pins 8, and the mold core positioning slider 11 is located in the forming mold 5. The inner side of the mold core positioning slider 11 and the forming mold 5 are pluggable and connected, the slider limit plate 12 is located on the upper part of the mold core positioning slider 11, and the slider limit plate 12 is connected to the forming mold. 5 is a fixed connection. The core positioning slider 11 is also provided with a positioning pin locking pin 13 and two side pins 15. The positioning pin locking pin 13 is located on one side of the core positioning slider 11. The positioning The needle lock pin 13 is pluggable and connected through the mold core positioning slider 11. The positioning needle lock pin 13 is also provided with three positioning pins 14, and the three positioning pins 14 are spaced between the three positioning pins 14. The three positioning pins 14 are fixedly connected with the positioning pin locking pin 13, and the two side pins 15 are located at the positioning pin locking pin 13 at the same distance horizontally and parallel to one end of the positioning pin locking pin 13 on the side of the molding die core 16. On both sides of the needle lock pin 13 , the two side needles 15 pass through the mold core positioning slider 11 for pluggable connection, the forming mold core 16 is located in the middle of the inner side of the forming mold 5 , and the forming mold core 16 The forming die 5 is movably connected, and the forming die core 16 is also provided with a product clamping block 17, and the product clamping block 17 is located on one side of the forming die core 16 near the die core positioning slider 11, The product clamping block 17 is fixedly connected to the molding die core 16 , and the product clamping block 17 is further provided with three product positioning holes 18 and two side pin insertion holes 19 . The three product positioning holes 18 are fixedly connected to the product holding block 17, and the two side pin insertion holes 19 are located horizontally and parallel, respectively. On both sides of the three product positioning holes 18 , the two side pin insertion holes 19 are fixedly connected to the product clamping block 17 , and the position distribution of the two side pin insertion holes 19 on the product clamping block 17 is the same as that of the product clamping block 17 . The position distribution of the two side needles 15 on the core positioning slider 11 is the same, the injection parting line 20 is located at the upper part of the forming mold 5 near the outer side of the forming core 16, and the injection parting line 20 is connected with the molding The mold 5 is fixedly connected, the core lifting driver 21 is located at the lower part of the forming mold 5 , the core lifting driver 21 is fixedly connected with the forming mold 5 , and one end of the core lifting driver 21 passes through the forming mold 5 And it is connected with the forming core 16 . The two forming die core fastening pins 8 are both in-line die key pins with clamping top posts. The core positioning slider 11 is a slide-type top block. The forming core 16 is a core with Teflon coating. The core lifting driver 21 is an electronically controlled hydraulic lifting driving device.

Working method: This insert encapsulation suspended feed mold is suitable for the encapsulation operation of LSR and metal inserts. The whole mainly includes capping mold 1, forming mold 5, mold core positioning slider 11, forming mold core 16 and mold core. The lift driver 21, wherein, the capping mold 1 is also provided with two injection holes 2, four mold clamping pillars 3 and four positioning pillars 4, and the forming mold 5 is also provided with four mold clamping holes 6, Four mold positioning holes 7, two forming mold core fastening pins 8, slider limit plate 12 and plastic injection parting line 20, the cover mold 1 and the forming mold 5 are used for mold clamping and demoulding and metal For the injection and vulcanization of the insert, when the cover mold 1 and the forming mold 5 are closed, the positional relationship between the mold clamping pillars 3 installed at the lower four corners of the cover mold 1 and the mold at the four corners of the forming mold 5 are matched. The positional relationship of the die holes 6 corresponds to each other, and they are aligned with each other, which is used for the clamping and positioning of the capping die 1 and the forming die 5, and the positional relationship of the positioning pillars 4 installed at the lower four corners of the capping die 1 is the same as that of the forming die. 5 The positional relationship of the mold positioning holes 7 at the four corners corresponds to each other, and can also be aligned with each other, which is used for the precise positioning of the capping mold 1 and the forming mold 5, which plays a role in correcting deviation; the whole set of molds is installed in the numerical control equipment. On, the cylinder control switch on the numerical control equipment is used to complete the injection molding and vulcanization of the metal insert and the extraction of the finished part. The specific operation steps are as follows:

Step 1. Open the mold core: Press the "Mold Core Open" button on the air cylinder control switch. At this time, the two forming mold core fastening pins 8 on the upper part of the forming mold 5 are opened outward, and each forming mold core fastening pin 8 is opened. Using an inline mold key pin with a snap top post, when the two forming mold core fastening pins 8 are opened outward, the inline mold key pins of each forming mold core fastening pin 8 will also be formed. The mold 5 is opened, so that the embedded mold key pins of each molding core fastening pin 8 are released from the fixing with the molding core 16, and each molding core fastening pin 8 is also provided with a limit sliding hole 9 And two mold core fastening pin limit blocks 10, each forming mold core fastening pin 8 takes the limit sliding hole 9 as the moving fulcrum, and uses the mold core fastening pin limit blocks 10 on the left and right sides as the movement track. Positioning makes the horizontal movement of each forming core tightening pin 8 more precise and standardized, and the operator confirms that the two forming core tightening pins 8 are opened in place, so that the key pins of the forming core 16 are opened, allowing the forming core 16 is in a loosened state, which facilitates demolding of the core positioning slider 11 and the forming core 16 .

Step 2. Side needle opening: The core positioning slider 11 adopts a slide-type top block, and its slideway structure enables the core positioning slider 11 to move horizontally along the slideway, which regulates the core positioning slider 11 and the molding process. The mold core 16 is a moving track of mold clamping and demolding, and a positioning pin lock pin 13 and two side pins 15 are also provided on the mold core positioning slider 11. The position on the mold core 16 is locked, and the two side needles 15 are used for the positioning and clamping of the mold core positioning slider 11 and the forming mold core 16. Press the "side needle open" button on the cylinder control switch, at this time , the two side needles 15 on one side of the core positioning slider 11 are opened outward, and confirm that the two side needles 15 are opened in place, so that the clamping state between the core positioning slider 11 and the molding core 16 is released, which is convenient for molding The mold core 16 is subsequently ejected.

Step 3. Open the mold core positioning slider: press the "slider open" button on the cylinder control switch. At this time, the mold core positioning slider 11 will be separated from the forming mold core 16, and confirm that the mold core positioning slider 11 is separated. In place, the mold core positioning slider 11 and the forming mold core 16 are demolded.

Step 4. Eject the molding core: Press the "Eject" button on the cylinder control switch. At this time, the core lifting driver 21 at the lower part of the molding die 5 will push the molding core 16 upward, and the core lifting driver 21 The electronically controlled hydraulic lift drive device is used to make the ejection process of the molding die core 16 more stable and gentle, and confirm that the molding die core 16 is pushed out in place, so that the molding die core 16 is ejected from the middle of the molding die 5 .

Step 5. Open the positioning pin: press the "positioning pin in" button on the cylinder control switch, at this time, the positioning pin lock pin 13 on the side of the mold core positioning slider 11 is pushed out to the position of the forming mold core 16, and the positioning pin The locking pin 13 is also provided with three positioning pins 14. The three positioning pins 14 are distributed at the position where one end of the positioning pin locking pin 13 is close to the molding die core 16. The three positioning pins 14 connected to the locking pin 13 will also be pushed out, and these three positioning pins 14 are attached to one side of the forming die core 16 in the raised state, thereby forming a bearing structure in which the positioning pins 14 are connected to the forming die core 16 . , to facilitate the positioning and placement of metal inserts.

Step 6. Loading of metal inserts: The operator places the metal inserts that need to be injected and vulcanized on the molding die core 16, and a product clamping block 17 is also provided on the molding die core 16 for non-metallic inserts on the metal inserts. The function surface increases the positioning and clamping of the material, and the product clamping block 17 is also provided with three product positioning holes 18 and two side needle insertion holes 19, wherein the three product positioning holes 18 on the side of the forming die core 16 in the ejected state are provided. The positional relationship of the product positioning holes 18 is aligned with the positional relationship of the three positioning pins 14. When the three positioning pins 14 are attached to the molding die core 16, the three positioning pins 14 are inserted into the product holding block. In the three product positioning holes 18 on one side of 17, due to the fit of the positioning pins 14 and the forming core 16, the operator can quickly and accurately find the non-functional surface on the metal insert to increase the fit between the material and the forming core 16. It is convenient for the precise positioning and placement of the clamping position, and it is confirmed that the metal inserts that need to be injected and vulcanized are placed in place. The insertion of the two side needles 15 realizes precise mold clamping and demolding between the mold core positioning slider 11 and the forming mold core 16 .

Step 7. Withdrawing of the positioning needle: Press the "positioning needle out" button on the cylinder control switch, at this time, the positioning needle locking pin 13 on the side of the mold core positioning slider 11 is withdrawn, and with the withdrawal of the positioning needle locking pin 13, The three positioning pins 14 connected with the positioning pin locking pins 13 are also accommodated inside the mold core positioning slider 11 , so that the metal inserts that need to be injection-vulcanized are attached to the molding mold core 16 .

Step 8. Reset the mold core positioning slider: Press the "top-back" button on the cylinder control switch. At this time, the mold core lift driver 21 at the lower part of the forming mold 5 will pull the forming mold core 16 to move down, and confirm the forming mold. The core 16 is lowered and reset, so that the forming die core 16 is returned to the middle of the forming die 5, and at the same time, it is confirmed that the loaded metal insert that needs to be injected and vulcanized is not deformed.

Step 9. The mold core positioning slider is closed: press the "slider off" button on the cylinder control switch. At this time, the mold core positioning slider 11 will be closed with the forming mold core 16, and the mold core positioning slider 11 will be confirmed. When the mold is closed in place, the mold core positioning slider 11 and the forming mold core 16 are attached and spliced together.

Step 10. Side needle close: Press the "side needle close" button on the cylinder control switch, at this time, the two side needles 15 on one side of the mold core positioning slider 11 are pushed into the forming mold core 16, and confirm the two sides The needle 15 is inserted into the forming core 16, so that the core positioning slider 11 is positioned in register with the forming core 16 for clamping.

Step 11. Glue injection and take out the finished product: Clamp the capping mould 1 and the forming mould 5, inject glue into the forming mould 5 through the two glue injection holes 2 on the top of the capping mould 1, and inject the glue along the glue. The parting line 20 enters the surface of the metal insert on the forming core 16, thereby completing the overmolding and vulcanization operation of the metal insert. Then, the capping mold 1 and the forming mold 5 are opened, and the mold is confirmed to be in place, then, Press the "core open" button on the cylinder control switch to confirm that the two forming core fastening pins 8 are opened in place, and then press the "side needle open" button on the cylinder control switch to confirm that the two side needles 15 are opened in place , and then, press the "slider open" button on the cylinder control switch to confirm that the mold core positioning slider 11 is separated in place, and then press the "ejection" button on the cylinder control switch to confirm that the forming mold core 16 is ejected in place, Finally, the overmolded and vulcanized product is taken out from the molding die core 16. The molding die core 16 adopts a core with a Teflon coating to avoid the sticking of the overmolded finished product, and the residual material head of injection vulcanization is taken out. , and then complete the operation. After encapsulation, the excess metal material is cut off by CNC to achieve uniform encapsulation on the surface of the product and no thimble marks.

The whole set of molds uses the non-functional surface of the edge of the metal insert to increase the material as the clamping position, and uses the cylinder to cooperate with the ejector pin for clamping and positioning, so that the rubber-coated surface of the metal insert is suspended in the mold cavity, and the glue is fed through the parting line position, thereby realizing The upper and lower parts of the product are uniformly coated, and the coating effect of uniform coating on the surface of the product and no thimble printing is also realized. The operation is simpler and more convenient, the quality and yield of the metal inserts are improved, and the processing and repair rate is reduced, thereby saving costs.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc. is based on the orientation or positional relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

An embodiment of the present invention has been described in detail above, but the content is only a preferred embodiment of the present invention, and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present utility model should still belong to the scope of the patent of the present utility model.

Claims (5)

1. The utility model provides a unsettled feeding die of inserts rubber coating which characterized in that: the forming die comprises a sealing cover die, a forming die, a die core positioning slide block, a forming die core and a die core lifting driver, wherein two glue injection holes, four die closing pillars and four positioning pillars are further formed in the sealing cover die, the two glue injection holes are formed in the top of the sealing cover die and fixedly connected with the sealing cover die, the four die closing pillars are respectively located at four corners of the lower portion of the sealing cover die and fixedly connected with the sealing cover die, the four positioning pillars are located at the lower portion of the sealing cover die and located on the inner sides of the four die closing pillars, the four positioning pillars are fixedly connected with the sealing cover die, the forming die is located at the lower portion of the sealing cover die and detachably connected with the sealing cover die, and the forming die is further provided with four die closing holes, four die positioning holes, The four die closing holes are positioned at the four corners of the upper part of the forming die and are fixedly connected with the forming die, the position distribution of the four die closing holes on the forming die is the same as the position distribution of the four die closing pillars on the sealing cover die, the four die positioning holes are positioned at the lower part of the forming die and are positioned at the inner sides of the four die closing holes, the four die positioning holes are fixedly connected with the forming die, the position distribution of the four die positioning holes on the forming die is the same as the position distribution of the four positioning pillars on the sealing cover die, the two forming die core fastening pins are horizontally and parallelly positioned at the upper part of the forming die and are connected with the forming die in a pluggable way, optionally, a limiting slide hole and two die core fastening pin limiting blocks are further arranged on the forming die core fastening pin, the limiting slide hole is positioned in the middle of the forming die core fastening pin, the limiting slide hole and the forming die core fastening pin are fixedly connected, the two die core fastening pin limiting blocks are horizontally and parallelly positioned on two sides of the forming die core fastening pin respectively, the two die core fastening pin limiting blocks are fixedly connected with the forming die, the die core positioning sliding block and the sliding block limiting plate are all positioned at a position between the two forming die core fastening pins, the die core positioning sliding block is positioned on the inner side of the forming die, the die core positioning sliding block and the forming die are connected in a pluggable manner, the sliding block limiting plate is positioned on the upper portion of the die core positioning sliding block, the sliding block limiting plate is fixedly connected with the forming die, and the die core positioning sliding block is further provided with a positioning needle locking pin and two side needles, the positioning pin lockpin is positioned at one side of the mold core positioning slide block, the positioning pin lockpin passes through the mold core positioning slide block and is connected in a pluggable manner, three positioning pins are further arranged on the positioning pin lockpin, the three positioning pins are horizontally and parallelly positioned at one end of the positioning pin lockpin close to one side of the molding mold core at the same interval, the three positioning pins are all fixedly connected with the positioning pin lockpin, the two side pins are positioned at two sides of the positioning pin lockpin, the two side pins are all connected in a pluggable manner after passing through the mold core positioning slide block, the molding mold core is positioned at the middle part of the inner side of the molding mold, the molding mold core is movably connected with the molding mold, a product clamping block is further arranged on the molding mold core, the product clamping block is positioned at one side of the molding mold core close to the position of the mold core positioning slide block, the product clamping block is fixedly connected with the molding mold core, and three product positioning holes and two side pin jacks are further arranged on the product clamping block, the three product positioning holes are horizontally and parallelly arranged in the middle of one side of the product clamping block at the same interval, the three product positioning holes are fixedly connected with the product clamping block, the two side needle jacks are horizontally and parallelly positioned at two sides of the three product positioning holes respectively, the two side needle jacks are fixedly connected with the product clamping block, the position distribution of the two side needle jacks on the product clamping block is the same as the position distribution of the two side needles on the mold core positioning slide block, the glue injection parting line is positioned at the upper part of the forming die close to the outer side of the forming die core, the glue injection parting line is fixedly connected with the forming die, the mold core lifting driver is positioned at the lower part of the forming mold, the mold core lifting driver is fixedly connected with the forming mold, and one end of the mold core lifting driver penetrates through the forming mold and is connected with the forming mold core.

2. The insert-encapsulated aerial feed mold of claim 1, wherein: and the two molding mold core fastening pins are embedded mold key pins with clamping top columns.

3. The insert-encapsulated aerial feed mold of claim 1, wherein: the mold core positioning slide block is a slide way type top block.

4. The insert-encapsulated aerial feed mold of claim 1, wherein: the molding mold core is a mold core with a Teflon coating.

5. The insert-encapsulated aerial feed mold of claim 1, wherein: the mold core lifting driver is an electric control hydraulic lifting driving device.

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