Forming mold of plastic three-way pipe fitting

Abstract

The utility model discloses a forming die of a plastic three-way pipe fitting, which relates to the technical field of dies, and comprises a die holder, a lower die plate is arranged above the die holder, an upper die plate is arranged above the lower die plate, die cavities are arranged in the lower die plate and the upper die plate, limiting pieces are arranged in the die cavities, and the limiting pieces are arranged on the die holder. A driving assembly used for driving the limiting piece to move on the two sides is installed on one side of the limiting piece, a telescopic piece used for driving the limiting piece to move front and back is installed at the front end of the limiting piece, an ejection assembly used for ejecting out the tee joint is arranged below the mold cavity, and the limiting piece comprises first limiting rods which are symmetrically arranged left and right. The limiting piece further comprises a second limiting rod arranged between the two first limiting rods, assembling openings are formed in the outer walls, close to the second limiting rod, of the first limiting rods, and circular limiting sealing blocks are arranged at the ends of the first limiting rods and the ends of the second limiting rods. The problem that an existing three-way mold is inconvenient to use in the demolding process is solved.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, specifically to a molding mold for a plastic tee fitting. Background Technology

[0002] Tees, also known as pipe tees, tee fittings, or tee connectors, are mainly used to change the direction of fluid flow. They are used where a branch pipe needs to be inserted into the main pipeline. During the production of tees, they need to be formed using molds.

[0003] For example, announcement number CN216138047U, entitled "A flange forging of a tee connector", includes an upper mold and a lower mold. A mold cavity is provided between the upper mold and the lower mold, and a feed port is provided on the mold cavity. The upper mold is composed of a first upper mold and a second upper mold, and the lower mold is composed of a first lower mold and a second lower mold. A cylinder is provided between the first upper mold and the second upper mold, and between the first lower mold and the second lower mold. A pipe rod is provided between the upper mold and the lower mold. The pipe rod is inserted into the mold cavity and is slidably connected to the upper mold and the lower mold. A spring is provided between the pipe rod and the lower mold.

[0004] The existing molds described above require demolding by separating the mold. While this method can remove the tee, it also requires the user to reinstall the separated mold for reuse, which is inconvenient. Therefore, it does not meet the current requirements. In response, a molding mold for plastic tee fittings is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a molding die for plastic tee fittings, so as to solve the problem mentioned in the background art that the existing tee molds are inconvenient to use during the demolding process.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a molding die for a plastic tee pipe fitting, comprising: a mold base, a lower template mounted on the upper part of the mold base, an upper template mounted on the upper part of the lower template, a mold cavity provided inside both the lower template and the upper template, a limiting member installed inside the mold cavity, a driving component for driving the limiting member to move to both sides mounted on one side of the limiting member, a telescopic member for driving the limiting member to move back and forth mounted on the front end of the limiting member, and an ejection component for ejecting the tee pipe fitting below the mold cavity.

[0007] Preferably, the limiting component includes first limiting rods arranged symmetrically on the left and right sides, and the limiting component also includes a second limiting rod disposed between the two first limiting rods. The first limiting rods have an assembly opening on their outer walls near the second limiting rods. Both the first limiting rods and the second limiting rods have a circular limiting sealing block at their ends, and the volume of the limiting sealing block is larger than that of the second limiting rod.

[0008] Preferably, each end of the mold cavity is provided with a displacement adjustment groove, and the limiting sealing block is restricted at the connection between the displacement adjustment groove and the mold cavity.

[0009] Preferably, the drive assembly includes a lead screw motor bolted to the side wall of the lower template. One end of the lead screw motor is equipped with a forward lead screw, and the other end of the forward lead screw is equipped with a reverse lead screw. Both the forward and reverse lead screws are installed in the slot of the lower template. A cover is installed above both the forward and reverse lead screws. A side opening is provided on one side of both the forward and reverse lead screws, and the side opening communicates with the displacement adjustment slot.

[0010] Preferably, a screw slider is installed on the outer wall of both the forward and reverse screws, and a connecting block is installed on the side wall of the screw slider. One end of the connecting block passes through the side opening and is connected to the limiting sealing block.

[0011] Preferably, the telescopic component includes an assembly plate installed on the outer wall of the lower template, an electric telescopic rod installed on the outer wall of the assembly plate, and the telescopic end of the electric telescopic rod extends into the displacement adjustment groove and is connected to the limiting sealing block.

[0012] Preferably, the bottom of the mold cavity is provided with a top outlet, the middle position of the mold base is provided with an ejection cavity, and the ejection assembly includes an ejection cylinder installed in the ejection cavity, and the telescopic end of the ejection cylinder is equipped with an ejection block that matches the shape of the top outlet.

[0013] Preferably, the displacement adjusting groove is provided with a sealing plug inside.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] (1) In this utility model, when demolding is required, the upper template is removed, and the screw sliders on the forward and reverse screws are moved outward together by the screw motor. The screw sliders are connected to the limiting sealing block through the connecting block, thereby driving the first limiting rod to move outward. As the limiting sealing block moves, the first limiting rod is disengaged from the mold cavity and moves into the displacement adjustment groove. The screw motor drives the screw sliders on the forward and reverse screws to move outward together. The screw sliders are connected to the limiting sealing block through the connecting block, thereby driving the first limiting rod to move outward. As the limiting sealing block moves, the first limiting rod is disengaged from the mold cavity and moves into the displacement adjustment groove. The above structure can move the first limiting rod and the second limiting rod respectively, which is convenient for the tee to be removed later.

[0016] (2) In this utility model, the two first limiting rods and one second limiting rod achieve the effect of fitting the three-way shape. The second limiting rod is inserted into the assembly port in an insert manner and combined with the first limiting rod. The limiting sealing block is used to limit and seal the mold cavity port.

[0017] (3) In this utility model, after the first limiting rod and the second limiting rod are separated from the mold cavity, the ejector block is moved upward by the ejector cylinder, so that the ejector block ejects the T-shaped part in the mold cavity to the outside, thereby achieving the demolding effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the lower template of this utility model;

[0020] Figure 3 This is a schematic diagram of the drive component structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first limiting rod and the second limiting rod of this utility model;

[0022] Figure 5 This is a schematic diagram of the mold cavity structure of this utility model;

[0023] Figure 6 This is a schematic diagram of the ejection assembly structure of this utility model;

[0024] In the diagram: 1. Mold base; 101. Ejection cavity; 2. Lower mold plate; 201. Mold cavity; 202. Displacement adjustment groove; 203. Ejection outlet; 3. Upper mold plate; 4. Sealing plug; 5. Drive assembly; 501. Cover; 502. Lead screw motor; 503. Forward lead screw; 504. Reverse lead screw; 505. Lead screw slider; 506. Connecting block; 507. Side opening; 6. Limiting component; 601. First limiting rod; 602. Limiting sealing block; 603. Assembly port; 604. Second limiting rod; 7. Telescopic component; 701. Electric telescopic rod; 702. Assembly plate; 8. Ejection assembly; 801. Ejection cylinder; 802. Ejection block. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Please see Figure 1 , Figure 4 , Figure 5This utility model provides an embodiment of a molding die for a plastic tee fitting, comprising: a mold base 1, a lower template 2 mounted above the mold base 1, an upper template 3 mounted above the lower template 2, and mold cavities 201 provided inside both the lower template 2 and the upper template 3. A limiting member 6 is installed within the mold cavity 201. A driving component 5 for lateral displacement is installed on one side of the limiting member 6, and a telescopic member 7 for front-rear displacement is installed at the front end of the limiting member 6. An ejection component 8 for ejecting the tee fitting is provided below the mold cavity 201. The limiting member 6 includes first limiting rods 601 symmetrically arranged on the left and right sides, and a second limiting rod 604 disposed between the two first limiting rods 601. An assembly opening 603 is provided on the outer wall of the first limiting rods 601 near the second limiting rod 604. A circular limiting sealing block 602 is provided at the end of both the first limiting rod 604 and the second limiting rod 604. The volume of the limiting sealing block 602 is larger than that of the second limiting rod 604. A displacement adjustment groove 202 is provided at the end of the mold cavity 201. The limiting sealing block 602 is restricted at the connection between the displacement adjustment groove 202 and the mold cavity 201. The two first limiting rods 601 and one second limiting rod 604 play a role in fitting the shape of the tee. The second limiting rod 604 is inserted into the assembly port 603 in an insert manner to combine with the first limiting rod 601. The limiting sealing block 602 is used to restrict and seal the port of the mold cavity 201. The circular limiting sealing block 602 can better fit the round pipe structure of the tee and make it easier to seal and restrict. The displacement adjustment groove 202 is used to allow the limiting sealing block 602 and the limiting rod to adjust the displacement space.

[0027] The displacement adjustment groove 202 is equipped with a sealing plug 4 inside. The sealing plug 4 is used to enhance the sealing effect of the displacement adjustment groove 202 and to limit the displacement of the limiting sealing block 602. When demolding is required, the sealing plug 4 can be pulled out from the inside to the outside. When sealing, it can be inserted again, which is convenient for users.

[0028] Please see Figure 3The drive assembly 5 includes a lead screw motor 502 bolted to the side wall of the lower template 2. A forward lead screw 503 is mounted at one end of the lead screw motor 502, and a reverse lead screw 504 is mounted at the other end of the forward lead screw 503. Both the forward and reverse lead screws 503 and 504 are installed within a slot in the lower template 2. A cover 501 is mounted above both the forward and reverse lead screws 503 and 504. A side opening 507 is provided on one side of both the forward and reverse lead screws 503 and 504, communicating with a displacement adjustment groove 202. Lead screw sliders 505 are mounted on the outer walls of both the forward and reverse lead screws 503 and 504. A connecting block 506 is mounted on the side wall of the lead screw slider 505, with one end of the connecting block 506 passing through the side opening 507 and connecting to... The limiting sealing block 602 is connected; when demolding is required, the upper template 3 is removed, and then the lead screw motor 502 drives the lead screw slider 505 on the forward lead screw 503 and the reverse lead screw 504 to move outward together. The lead screw slider 505 is connected to the limiting sealing block 602 through the connecting block 506, thereby driving the first limiting rod 601 to move outward. As the limiting sealing block 602 moves, the first limiting rod 601 is disengaged from the mold cavity 201 and moves into the displacement adjustment groove 202. Through the above structure, the first limiting rod 601 can be moved simultaneously very conveniently, which facilitates the subsequent demolding operation. When it is necessary to perform tee forming again, the first limiting rod 601 can also be moved into the mold cavity 201 simultaneously, improving efficiency.

[0029] Please see Figure 2 The telescopic component 7 includes an assembly plate 702 installed on the outer wall of the lower template 2. An electric telescopic rod 701 is installed on the outer wall of the assembly plate 702. The telescopic end of the electric telescopic rod 701 extends into the displacement adjustment groove 202 and is connected to the limiting sealing block 602. The electric telescopic rod 701 is used to drive the first limiting rod 601 to telescopically move. When it extends, it can drive the first limiting rod 601 to be inserted into the assembly port 603. When it retracts, it can drive the first limiting rod 601 to disengage from the mold cavity 201. The above structure allows the user to quickly adjust the displacement of the first limiting rod 601, thereby realizing the removal during demolding and the insertion during molding.

[0030] Please see Figure 5 , Figure 6 The bottom of the mold cavity 201 is provided with an ejector outlet 203, and the middle position of the mold base 1 is provided with an ejector cavity 101. The ejector assembly 8 includes an ejector cylinder 801 installed in the ejector cavity 101. The telescopic end of the ejector cylinder 801 is equipped with an ejector block 802 that matches the shape of the ejector outlet 203.

[0031] After the first limiting rod 601 and the second limiting rod 604 disengage from the mold cavity 201, the ejector cylinder 801 drives the ejector block 802 to move upward, so that the ejector block 802 ejects the tee in the mold cavity 201 to the outside, achieving the demolding effect. During the molding process, the ejector block 802 is located in the ejector outlet 203, which has the effect of sealing the position.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A molding die for a plastic tee pipe fitting, comprising a die base (1), a lower template (2) mounted above the die base (1), and an upper template (3) mounted above the lower template (2), characterized in that: Both the lower template (2) and the upper template (3) are provided with a mold cavity (201). A limiting member (6) is installed in the mold cavity (201). A driving component (5) for driving the limiting member (6) to move to both sides is installed on one side of the limiting member (6). A telescopic member (7) for driving the limiting member (6) to move back and forth is installed at the front end of the limiting member (6). An ejection component (8) for ejecting the tee is provided below the mold cavity (201).

2. The molding die for a plastic tee fitting according to claim 1, characterized in that: The limiting component (6) includes first limiting rods (601) arranged symmetrically on the left and right sides. The limiting component (6) also includes a second limiting rod (604) disposed between the two first limiting rods (601). An assembly port (603) is provided on the outer wall of the first limiting rod (601) near the second limiting rod (604). A circular limiting sealing block (602) is provided at the end of both the first limiting rod (601) and the second limiting rod (604). The volume of the limiting sealing block (602) is larger than that of the second limiting rod (604).

3. The molding die for a plastic tee pipe fitting according to claim 2, characterized in that: The ends of the mold cavity (201) are provided with displacement adjustment grooves (202), and the limiting sealing block (602) is restricted at the connection between the displacement adjustment groove (202) and the mold cavity (201).

4. The molding die for a plastic tee fitting according to claim 3, characterized in that: The drive assembly (5) includes a lead screw motor (502) bolted to the side wall of the lower template (2). One end of the lead screw motor (502) is equipped with a forward lead screw (503), and the other end of the forward lead screw (503) is equipped with a reverse lead screw (504). Both the forward lead screw (503) and the reverse lead screw (504) are installed in the slot of the lower template (2). Both the forward lead screw (503) and the reverse lead screw (504) are equipped with a cover (501). Both the forward lead screw (503) and the reverse lead screw (504) have a side opening (507) on one side, and the side opening (507) communicates with the displacement adjustment groove (202).

5. The molding die for a plastic tee pipe fitting according to claim 4, characterized in that: Both the forward lead screw (503) and the reverse lead screw (504) are equipped with lead screw sliders (505) on their outer walls. A connecting block (506) is installed on the side wall of the lead screw slider (505). One end of the connecting block (506) passes through the side opening (507) and is connected to the limiting sealing block (602).

6. The molding die for a plastic tee pipe fitting according to claim 2, characterized in that: The telescopic component (7) includes an assembly plate (702) installed on the outer wall of the lower template (2). An electric telescopic rod (701) is installed on the outer wall of the assembly plate (702). The telescopic end of the electric telescopic rod (701) extends into the displacement adjustment groove (202) and is connected to the limiting sealing block (602).

7. The molding die for a plastic tee pipe fitting according to claim 1, characterized in that: The bottom of the mold cavity (201) is provided with a top outlet (203), and the middle position of the mold base (1) is provided with an ejection cavity (101). The ejection assembly (8) includes an ejection cylinder (801) installed in the ejection cavity (101). The telescopic end of the ejection cylinder (801) is equipped with an ejection block (802) that matches the shape of the top outlet (203).

8. The molding die for a plastic tee fitting according to claim 3, characterized in that: The displacement adjustment groove (202) is provided with a sealing plug (4).

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