Injection molding machine injection mold

Abstract

The present invention relates to the technical field of injection molding machines, and discloses an injection molding machine injection mold, including an upper mold, a lower mold, and a demoulding assembly, wherein both front and rear ends of the lower mold are penetrated and fixedly connected with a demoulding assembly, so that the internal transport gas can be demoulded, an outer mold assembly, the left top of the lower mold is fixedly connected with an outer mold assembly, so that the lower mold can be molded and fixed, and an inner mold assembly, the interior of the lower mold is fixedly connected with an inner mold assembly, and the inner mold assembly includes an electric push rod and a guide ring, the interior of the lower mold is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a guide plate, and the left front and rear ends of the guide plate are fixedly connected with sealing strips on both upper and lower sides. The present invention starts working by the motor on the left side of the lower mold to make the screw rod carry the nut pair and the outer mold shell to move inward, so that the outer mold shell is molded and covered on the mold body, and the upper mold and the lower mold are molded, and the material is fed into the interior through the injection port and buffered by the buffer rod, so that rapid injection and molding can be performed.

Description

Technical Field

[0001] The invention relates to the technical field of injection molding machines, in particular to an injection mold for an injection molding machine. Background Art

[0002] In the industrial field, bellows are widely used. They are often used as sealing jackets of flexible couplings, flexible couplings themselves, and foldable containers. Bellows are usually manufactured by blow molding or injection molding. Bellows manufactured by injection molding are widely recognized by users for their high product density and longer service life.

[0003] Injection molding demolding in the market now generally adopts manual or mold core rod to push out the bellows. During the demolding process, the bellows and the mold are easily damaged due to friction, affecting the quality of the product. Therefore, high-pressure gas demolding is used. However, when performing pneumatic demolding, manual processing is required to use an air pump to demold the mold, which makes demolding difficult and complicated. In addition, manual demolding may cause uneven force and cause damage to the bellows.

[0004] In view of the above problems, an injection mold for an injection molding machine is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide an injection molding machine injection mold, which solves the problem in the background technology that the bellows and the mold are easily damaged due to friction during the demolding process, affecting the quality of the product. Therefore, a high-pressure gas demolding method is used. However, when performing pneumatic demolding, manual processing is required to use an air pump to demold the mold, which makes demolding difficult and complicated. In addition, manual demolding may cause uneven force and lead to damage to the bellows.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an injection molding machine injection mold, comprising: an upper mold, a lower mold, and a demolding assembly, wherein the front and rear ends of the lower mold are penetrated and fixedly connected with the demolding assembly, so that the internal transport gas can be demolded, an outer mold assembly, the left top of the lower mold is fixedly connected with the outer mold assembly, so that the lower mold can be molded and fixed, an inner mold assembly, the inner mold assembly is fixedly connected with the inner mold assembly inside the lower mold, and the inner mold assembly includes an electric push rod and a guide ring, the inner part of the lower mold is fixedly connected with the electric push rod, the output end of the electric push rod is fixedly connected with a guide plate, the left front and rear ends of the guide plate are fixedly connected with sealing strips on both upper and lower sides, the outer side of the sealing strip is slidably connected with the guide ring, the right side of the guide ring is fixedly connected with the lower mold, the left side of the guide ring is fixedly connected with the inner mold body, and the sealing strip can move and slide on the inner mold body, and the left side of the inner mold body is slidably connected with a limiting disk, so that the mold can be formed and demolded;

[0007] As a further description of the above technical solution: the outer mold assembly includes a top box and a motor, the top of the left side of the lower mold is fixedly connected to the top box, the right side of the top box penetrates and is fixedly connected to the motor, the output end of the motor is fixedly connected to a lead screw, and the lead screw is rotatably connected to the top box, the left and right sides of the lead screw are threadedly connected to a nut pair, the bottom of the nut pair is fixedly connected to a linkage rod, and the other end of the linkage rod is fixedly connected to the outer mold shell, so that the lower mold can be fixed for injection molding;

[0008] As a further description of the above technical solution: the demoulding assembly includes an air pump and an air pipe, the front and rear ends of the lower mold are penetrated and fixedly connected with the air pump, the output end of the air pump is fixedly connected with the air pipe, and the air pipe is fixedly connected to the lower mold, the end of the air pipe away from the air pump is penetrated and fixedly connected with the nozzle, the outer diameter of the nozzle is penetrated and fixedly connected with the nozzle, and the left side of the nozzle is fixedly connected to the limit plate, so that the gas can be transported to the inside of the inner mold and the molding mold can be demoulded;

[0009] As a further description of the above technical solution: the left side of the inner mold body is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the left side of the nozzle, so that the left side of the inner mold body can be pulled to shrink the left side of the inner mold body;

[0010] As a further description of the above technical solution: a card block is fixedly connected to the left side of the outer mold shell on the right side, a card slot is provided on the right side of the outer mold shell on the left side, and the card block can be sealed inside the card slot;

[0011] As a further description of the above technical solution: buffer rods are fixedly connected to the four left corners of the lower mold, so that the upper mold can be buffered when the mold is closed;

[0012] As a further description of the above technical solution: an injection port is passed through and fixedly connected to the left side of the upper mold, so that the raw material can be injected into the mold;

[0013] As a further description of the above technical solution: a limiting groove is provided at the front end of the right side of the upper mold, and the motor can move inside the limiting groove to seal it;

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. An injection molding machine injection mold provided by the present invention starts working by a motor on the left side of a lower mold to move the lead screw with a nut pair and an outer mold shell inward, so that the outer mold shell is molded and covered on the mold body, and the upper mold and the lower mold are molded together, and the material is fed into the interior through the injection port and buffered by a buffer rod, so that rapid injection and molding can be performed.

[0016] 2. An injection molding machine injection mold provided by the present invention starts to move backward from the mold body with a sealing strip through an electric push rod and a guide plate, and at the same time, the mold body starts to move toward the middle through a reset spring inside the left side of the mold body, so that the left side of the mold body starts to become smaller, and the air pump starts to work to transport gas from the outside to the air pipe, and then transports it to the inside of the nozzle through the air pipe, and at the same time, transports gas to the inside of the mold body through the nozzle and starts to spray outward to blow the molded product off the mold body, thereby effectively preventing the damage of the bellows caused by uneven force during manual demolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0019] Figure 3 It is a structural diagram of the outer mold assembly of the present invention;

[0020] Figure 4 is a schematic diagram of an inner mold assembly of the present invention;

[0021] Figure 5 It is a side structural diagram of the inner mold assembly of the present invention;

[0022] Figure 6 This is a diagram showing the internal structure of the inner mold assembly of the present invention;

[0023] Figure 7 It is a schematic diagram of the structure of the inner mold assembly of the present invention;

[0024] Figure 8 It is a structural diagram of the demoulding component of the present invention.

[0025] In the figure: 1. upper mold; 2. lower mold; 3. demoulding assembly; 301. air pump; 302. air pipe; 303. nozzle; 304. nozzle; 4. outer mold assembly; 401. top box; 402. motor; 403. screw rod; 404. nut pair; 405. linkage rod; 406. outer mold shell; 407. block; 408. slot; 5. injection port; 6. buffer rod; 7. inner mold assembly; 701. electric push rod; 702. guide plate; 703. sealing strip; 704. guide ring; 705. inner mold body; 706. limit plate; 707. return spring; 708. sealing ring; 8. limit slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In order to further understand the content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings.

[0028] Combination Figure 1 , an injection molding machine injection mold, including; an upper mold 1, a lower mold 2, a demoulding component 3, the front and rear ends of the lower mold 2 are penetrated and fixedly connected with the demoulding component 3, so that the internal transport gas can be demoulded, so that the external gas can be transported to the inside, an outer mold component 4, the left top of the lower mold 2 is fixedly connected with the outer mold component 4, the lower mold 2 can be molded and fixed, so that the inside can be injection molded, an inner mold component 7, the inner mold component 7 is fixedly connected to the inside of the lower mold 2, the inner mold component 7 includes an electric push rod 701 and a guide ring 704 ... 701, the output end of the electric push rod 701 is fixedly connected with a guide plate 702 so that it can slide inside the guide plate 702, the left front and back ends and the upper and lower sides of the guide plate 702 are fixedly connected with sealing strips 703, the outer side of the sealing strip 703 is slidably connected with a guide ring 704, the right side of the guide ring 704 is fixedly connected with the lower mold 2, the left side of the guide ring 704 is fixedly connected with an inner mold body 705, and the sealing strip 703 can move and slide on the inner mold body 705, and the left side of the inner mold body 705 is slidably connected with a limiting disk 706, which can form the mold and demold it.

[0029] Combination Figure 2 The outer mold assembly 4 includes a top box 401 and a motor 402. The top box 401 is fixedly connected to the top left side of the lower mold 2. The motor 402 is passed through and fixedly connected to the right side of the top box 401. The output end of the motor 402 is fixedly connected to a screw rod 403, and the screw rod 403 is rotatably connected to the top box 401. The left and right sides of the screw rod 403 are threadedly connected to a nut pair 404, and the bottom of the nut pair 404 is fixedly connected to a linkage rod 405. The other end of the linkage rod 405 is fixedly connected to an outer mold shell 406, so that the lower mold 2 can be molded and fixed for injection molding. The motor 402 on the left side of the lower mold 2 starts to work to make the screw rod 403 move inward with the nut pair 404 and the outer mold shell 406, so that the outer mold shell 406 is molded and covered on the inner mold body 705. The upper mold 1 and the lower mold 2 are molded together, and the material is fed into the interior through the injection port 5 and buffered by the buffer rod 6 to start injection molding.

[0030] Combination Figure 3 and Figure 4 The demoulding component 3 includes an air pump 301 and an air pipe 302. The front and rear ends of the lower mold 2 are penetrated and fixedly connected with the air pump 301. The output ends of the air pump 301 are fixedly connected with the air pipe 302, and the air pipe 302 is fixedly connected to the lower mold 2. The end of the air pipe 302 away from the air pump 301 is penetrated and fixedly connected with the nozzle 303. The outer diameter of the nozzle 303 is penetrated and fixedly connected with the nozzle 304, and the left side of the nozzle 303 is fixedly connected to the limiting plate 706, so that the gas can be transported to the inside of the inner mold and the molding mold can be demoulded. The air pump 301 starts to work and transports the gas from the outside to the air pipe 302, and then transports it to the inside of the nozzle 303 through the air pipe 302. At the same time, the gas is transported to the inside of the inner mold body 705 through the nozzle 304 and starts to spray outward to blow the molded product off the inner mold body 705, so that it can be quickly demoulded.

[0031] Combination Figure 5 and Figure 6 The left side of the inner mold body 705 is fixedly connected with a return spring 707, and the other end of the return spring 707 is fixedly connected with the left side of the nozzle 303, so that the left side of the inner mold body 705 can be pulled to shrink the left side of the inner mold body 705, and the left side of the right outer mold shell 406 is fixedly connected with a clamping block 407, and the right side of the left outer mold shell 406 is provided with a clamping groove 408, and the clamping block 407 can be sealed inside the clamping groove 408, and the return spring 707 inside the left side of the inner mold body 705 makes the inner mold body 705 start to move toward the middle, so that the left side of the inner mold body 705 starts to shrink.

[0032] Combination Figure 7 and Figure 8 The four left corners of the lower mold 2 are fixedly connected with buffer rods 6, so that the upper mold 1 can be buffered when the mold is closed. The left side of the upper mold 1 passes through and is fixedly connected with an injection port 5, and the raw material can be injected into the mold. A limiting groove 8 is set at the front end of the right side of the upper mold 1, and the motor 402 can move inside the limiting groove 8 to seal it.

[0033] Working principle: The motor 402 on the left side of the lower mold 2 starts working to make the screw 403 move the nut pair 404 and the outer mold shell 406 inward, so that the outer mold shell 406 is closed and covered on the inner mold body 705, and the upper mold 1 and the lower mold 2 are closed. The material is fed into the interior through the injection port 5 and buffered by the buffer rod 6 to start injection molding. After the molding is completed, the upper mold 1 is removed and the motor 402 starts to reverse to make the outer mold shell 406 move to both sides to open, and the electric push rod 701 and the guide plate 702 carry the sealing strip 703 to open from the inner mold body 705. The inner mold body 705 starts to move backward, and at the same time, the return spring 707 inside the left side of the inner mold body 705 makes the inner mold body 705 start to move toward the middle, so that the left side of the inner mold body 705 starts to become smaller, and at the same time, the limiting movement is performed on the limiting plate 706, and the air pump 301 starts to work to transport the gas from the outside to the air pipe 302, and then transport it to the inside of the nozzle 303 through the air pipe 302. At the same time, the gas is transported to the inside of the inner mold body 705 through the nozzle 304 and starts to spray outward to blow the molded product off the inner mold body 705, so that rapid demoulding can be achieved, which greatly improves the utilization rate.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection molding machine injection mold, characterized in that: include; Upper mold(1); Lower mold (2); A demoulding assembly (3), wherein both the front and rear ends of the lower mold (2) are penetrated and fixedly connected with the demoulding assembly (3), so that the transport gas inside the lower mold (2) can be demoulded; An outer mold component (4), the top left side of the lower mold (2) is fixedly connected to the outer mold component (4), which can be used to close and fix the lower mold; The inner mold assembly (7) is fixedly connected to the interior of the lower mold (2), and the inner mold assembly (7) includes an electric push rod (701) and a guide ring (704). The inner mold assembly (701) is fixedly connected to the interior of the lower mold (2), and the output end of the electric push rod (701) is fixedly connected to a guide plate (702). The four left corners of the guide plate (702) are fixedly connected to four sealing strips (703), and the outer diameters of the four sealing strips (703) are fixedly connected to uniform sealing rings (708). The sealing rings (708) ) is slidably connected to the outer diameter of the guide ring (704), and the outer diameter of the guide ring (704) is fixedly connected to the lower mold (2), and the left side of the guide ring (704) is fixedly connected to four inner mold bodies (705), and the sealing clip (703) can slide in the gap of the four inner mold bodies (705), so that the sealing ring (708) can be sealed and matched with the thread on the outer diameter of the inner mold body (705), and the left side of the inner mold body (705) is slidably connected to the limiting plate (706), which can enable the mold to be formed and demoulded; The demoulding assembly (3) comprises an air pump (301) and an air pipe (302), the front and rear ends of the lower mold (2) are penetrated by and fixedly connected to the air pump (301), the output end of the air pump (301) is fixedly connected to the air pipe (302), and the air pipe (302) is fixedly connected to the lower mold (2), the end of the air pipe (302) away from the air pump (301) is penetrated by and fixedly connected to the nozzle (303), the outer diameter of the nozzle (303) is penetrated by and fixedly connected to the nozzle (304), and the left side of the nozzle (303) is fixedly connected to the limit plate (706), so that the gas can be transported to the inside of the inner mold and the molding mold can be demoulded; The inner left side of the inner mold body (705) is fixedly connected with a return spring (707), and the other end of the return spring (707) is fixedly connected to the left side of the nozzle (303), so that the left side of the inner mold body (705) can be pulled to shrink the left side of the inner mold body (705).

2. The injection molding machine injection mold according to claim 1, characterized in that: The outer mold assembly (4) comprises a top box (401) and a motor (402); the top left side of the lower mold (2) is fixedly connected to the top box (401); the right side of the top box (401) penetrates and is fixedly connected to the motor (402); the output end of the motor (402) is fixedly connected to a lead screw (403); the lead screw (403) is rotatably connected to the top box (401); the left and right sides of the lead screw (403) are threadedly connected to nut pairs (404); the bottom of the nut pairs (404) is fixedly connected to a linkage rod (405); the other end of the linkage rod (405) is fixedly connected to the outer mold shell (406), so that the lower mold can be clamped and fixed for injection molding.

3. The injection molding machine injection mold according to claim 2, characterized in that: A clamping block (407) is fixedly connected to the left side of the outer mold shell (406) on the right side, and a clamping groove (408) is provided on the right side of the outer mold shell (406) on the left side, and the clamping block (407) can be sealed inside the clamping groove (408).

4. The injection molding machine injection mold according to claim 1, characterized in that: The four left corners of the lower mold (2) are fixedly connected with buffer rods (6), so that the upper mold (1) can be buffered when the mold is closed.

5. The injection molding machine injection mold according to claim 1, characterized in that: An injection port (5) is passed through and fixedly connected to the left side of the upper mold (1), so that raw materials can be injected into the mold.

6. The injection molding machine injection mold according to claim 2, characterized in that: A limiting groove (8) is provided at the front end on the right side of the upper mold (1), and the motor (402) can move inside the limiting groove (8) to seal it.

Images