Injection molding mold for plastic bolt

Abstract

The utility model belongs to the technical field of molds, and particularly relates to an injection molding mold for a plastic bolt, which has the beneficial effects that the injection molding mold for the plastic bolt comprises a mold body, the mold body comprises an upper mold base, an upper mold plate, a lower mold plate and a lower mold base which are sequentially arranged from top to bottom, and a sprue bush which is arranged on the upper mold base, a feeding hole is formed in the top of the shell, and a runner is arranged in the shell and is communicated with the feeding hole; the convex ring is arranged on the sprue bush, a first mounting hole is formed in the convex ring, a mounting groove for placing the convex ring is formed in the upper die holder, and a second mounting hole corresponding to the first mounting hole in position is formed in the mounting groove; the die further comprises a locking structure, and the locking structure is arranged on the convex ring and used for connecting the convex ring to the upper die base.

Description

Technical Field

[0001] The present application belongs to the field of mold technology, and in particular relates to an injection molding mold for a plastic bolt. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. Injection molding is a processing method used in batch production of certain complex-shaped parts, also known as injection molding. Its advantages are fast production speed, high efficiency, automated operation, and a wide variety of colors and patterns.

[0003] The patent with publication number CN113635521A discloses a three-color injection mold for producing a taillight decorative frame, including a mounting plate and a support plate, a top mold is arranged on the mounting plate, a gasket is arranged on the top mold, the gasket is in contact with the mounting plate, a mold mechanism is arranged on the top mold, a third injection port is arranged on the mounting plate, a second injection port is arranged on the mounting plate, a mounting groove is opened in the top mold, a first injection port is arranged in the mounting groove, a first connector is fixedly installed on the top mold, a first movable mold mechanism is arranged on the support plate, a second movable mold mechanism is arranged on the support plate, and the second movable mold mechanism has the same structure as the first movable mold mechanism.

[0004] During the actual use of the above-mentioned injection mold, the injection port is installed, and the fixing bolts are prone to position deviation, resulting in insufficient stability in the installation of the injection port, which can easily lead to problems in injection molding, and still needs to be improved. Utility Model Content

[0005] The purpose of this application is to provide an injection molding mold for a plastic bolt, which can solve the above problems.

[0006] The purpose of this application is to provide an injection molding mold for a plastic bolt, comprising:

[0007] The mold body includes an upper mold base, an upper mold plate, a lower mold plate and a lower mold base arranged in sequence from top to bottom:

[0008] The sprue sleeve is arranged on the upper die seat, and has a feed port on the top and a flow channel inside thereof, which is connected with the feed port;

[0009] A convex ring is arranged on the sprue sleeve, a first mounting hole is arranged on the convex ring, a mounting groove for placing the convex ring is arranged on the upper mold base, and a second mounting hole corresponding to the position of the first mounting hole is arranged on the mounting groove;

[0010] It also includes a locking structure, which is arranged on the convex ring and is used to connect the convex ring to the upper mold base.

[0011] The injection molding mold using the above-mentioned plastic bolt, the mold body includes an upper mold base, an upper mold plate, a lower mold plate and a lower mold base from top to bottom, which are used to support and fix various components in the injection molding process. The gate sleeve is arranged on the upper mold base, and a feed port is arranged on the top of the upper mold base, and a flow channel is arranged inside. The flow channel is connected with the feed port, so that the plastic raw material can enter from the feed port, flow into the mold through the flow channel, and then fill into the mold cavity of the mold. The convex ring is arranged on the gate sleeve, and a first mounting hole is arranged on the convex ring, and the upper mold base is provided with a mounting groove for placing the convex ring. The mounting groove is provided with a second mounting hole corresponding to the position of the first mounting hole, so that the convex ring and the upper mold base can be tightly connected together by passing a connecting member such as a bolt through the mounting hole. The locking structure is used to connect the convex ring to the upper mold base more firmly. By providing a locking structure, the position deviation of the locking member used for fixing can be prevented when tightening, and the stability of the installation can be improved.

[0012] Furthermore, the locking structure includes:

[0013] A locking member, which is disposed on the convex ring and is used to connect the first mounting hole and the second mounting hole;

[0014] A locking collar is arranged on the locking member, the locking collar is located corresponding to the first mounting hole and is provided with a third mounting hole for the locking member to pass through, and a positioning groove recessed inwardly is opened on the side wall of the locking collar;

[0015] A positioning member, arranged on the locking collar;

[0016] The positioning member is arranged in the positioning slot, and an adjustment gap is provided between the positioning member and the positioning slot.

[0017] During installation, first install the positioning piece and the locking ring together, insert the snap-in piece on the positioning piece into the slot, then align the first mounting hole, the second mounting hole and the third mounting hole, and then pass the locking piece through the third mounting hole and gradually screw it into the first mounting hole. During the tightening process, the cooperation between the locking ring and the convex ring can prevent the locking piece from being relatively tilted with the convex ring during the tightening process, thereby improving the stability during installation and also playing a guiding role. In addition, by providing an adjustment gap between the positioning piece and the positioning slot, it is convenient to make certain adjustments between the positioning piece and the positioning slot.

[0018] Further: the locking member includes a rod body and a cap body, and the locking collar is located between the cap body and the convex ring, and the bottom of the locking collar is in close contact with the convex ring.

[0019] The rod body and the cap body are an integrated structure, and the thread is located on the rod body. Installing the locking collar between the cap body and the convex ring allows the cap body to tighten the locking collar after installation, and they cooperate with each other. At the same time, a plug connector is provided at the bottom of the rod body, and the diameter of the plug connector is smaller than the diameter of the rod body. A slot adapted to the plug connector is provided at the bottom of the second mounting hole, and the cooperation between the plug connector and the slot can play a guiding and positioning role.

[0020] Furthermore, the positioning member includes a ring body and a plurality of clamping members arranged on the ring body, and the convex ring is provided with a clamping groove that is clamped with the clamping members.

[0021] The stabilization effect can be further improved by the cooperation between the card slot and the card connector.

[0022] Furthermore, the ring body and the clamping piece are integrally formed, the cross section of the clamping piece is U-shaped, and one end of the clamping piece away from the ring body contacts the inner wall of the clamping groove.

[0023] The clip is set to be U-shaped, and one end of the clip contacts the inner wall of the slot, so that the clip can be fixed in the slot. The clip and the convex ring are integrally formed for easy production, and the clip is made of elastic material, which facilitates the connection between the clip and the slot during installation.

[0024] Furthermore, the number of the clamping parts is two, and the two clamping parts are symmetrically arranged with respect to the locking part.

[0025] By arranging two clamping parts on the convex ring, the installation of the clamping parts and the positioning groove can be made more stable.

[0026] The beneficial effects of this application are:

[0027] 1. The mounting groove is provided with a second mounting hole corresponding to the position of the first mounting hole, so that the convex ring and the upper die seat can be tightly connected together by passing a bolt or other connecting piece through the mounting hole. The locking structure is used to connect the convex ring to the upper die seat more firmly. The locking structure can prevent the position deviation of the fixing locking piece when tightening, which can improve the stability of the installation;

[0028] 2. When installing, first install the positioning piece and the locking collar together, insert the clamping piece on the positioning piece into the clamping groove, then align the first mounting hole, the second mounting hole and the third mounting hole, and then gradually screw the locking piece into the first mounting hole after passing through the third mounting hole. During the tightening process, the cooperation between the locking collar and the convex ring can prevent the locking piece from being relatively tilted with the convex ring during the tightening process, thereby improving the stability during installation and also playing a guiding role.

[0029] 3. The rod body and the cap body are an integrated structure, and the thread is located on the rod body. Installing the locking collar between the cap body and the convex ring allows the cap body to tighten the locking collar after installation, and they cooperate with each other. At the same time, a plug connector is provided at the bottom of the rod body, and the diameter of the plug connector is smaller than the diameter of the rod body. A slot adapted to the plug connector is provided at the bottom of the second mounting hole, and the cooperation between the plug connector and the slot can play a guiding and positioning role. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 yes…;

[0031] Figure 2 yes…;

[0032] Figure 3 yes….

[0033] The reference numerals in the figure are: 100, upper mold base; 110, upper mold plate; 120, lower mold plate; 130, lower mold base; 200, gate sleeve; 210, feed port; 220, runner; 300, convex ring; 310, first mounting hole; 320, mounting groove; 321, second mounting hole; 400, locking structure; 410, locking member; 420, locking ring; 421, third mounting hole; 422, positioning groove; 430, positioning member; 431, ring body; 432, snap-in member; 440, slot; 450, gap adjustment; 460, plug connector; 470, slot. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0035] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0036] The following is a detailed description of the injection molding die for the plastic bolt provided in the embodiment of the present application through specific embodiments and application scenarios in conjunction with the accompanying drawings.

[0037] Embodiment 1:

[0038] like Figure 1 As shown, the embodiment of the present application provides an injection molding mold for a plastic bolt, comprising:

[0039] The mold body includes an upper mold base 100, an upper mold plate 110, a lower mold plate 120 and a lower mold base 130 arranged in sequence from top to bottom:

[0040] The sprue sleeve 200 is disposed on the upper mold base 100, and has a feed port 210 on its top and a flow channel 220 inside thereof, and the flow channel 220 is connected to the feed port 210;

[0041] The convex ring 300 is arranged on the sprue bushing 200, and a first mounting hole 310 is arranged on the convex ring 300. The upper mold base 100 is provided with a mounting groove 320 for placing the convex ring 300, and a second mounting hole 321 corresponding to the position of the first mounting hole 310 is arranged on the mounting groove 320;

[0042] It also includes a locking structure 400 which is disposed on the convex ring 300 and is used to connect the convex ring 300 to the upper mold base 100 .

[0043] In some implementations of the embodiments of the present application, Figure 1 As shown, an injection molding mold using the above-mentioned plastic bolt is used. The mold body includes an upper mold base 100, an upper mold plate 110, a lower mold plate 120 and a lower mold base 130 from top to bottom, which are used to support and fix various components in the injection molding process. The gate sleeve 200 is arranged on the upper mold base 100, and a feed port 210 is arranged on the top of the upper mold base, and a flow channel 220 is arranged inside. The flow channel 220 is connected with the feed port 210, so that the plastic raw material can enter from the feed port 210, flow into the mold through the flow channel 220, and then fill into the mold cavity of the mold. The convex ring 300 is arranged on the gate sleeve 200, and the convex ring 300 is provided with a first mounting hole 310, and the upper mold base 100 is provided with a mounting groove 320 for placing the convex ring 300. The mounting groove 320 is provided with a second mounting hole 321 corresponding to the position of the first mounting hole 310, so that the convex ring 300 and the upper mold base 100 can be tightly connected together by passing a connecting member such as a bolt through the mounting hole. The locking structure 400 is used to more firmly connect the convex ring 300 to the upper mold base 100. The locking structure 400 can prevent the fixing locking member 410 from position deviation when tightening, thereby improving the stability of the installation.

[0044] Embodiment 2:

[0045] An embodiment of the present application provides an injection molding mold for a plastic bolt. In addition to the above-mentioned technical features, the injection molding mold for a plastic bolt in the embodiment of the present application also includes the following technical features.

[0046] As shown in the figure, the locking structure 400 includes:

[0047] A locking member 410, which is disposed on the protruding ring 300 and is used to connect the first mounting hole 310 and the second mounting hole 321;

[0048] The locking collar 420 is disposed on the locking member 410. The locking collar 420 is located corresponding to the first mounting hole 310 and is provided with a third mounting hole 421 for the locking member 410 to pass through. The side wall of the locking collar 420 is provided with an inwardly recessed positioning groove 422.

[0049] A positioning member 430 is disposed on the locking collar 420;

[0050] The positioning member 430 is disposed in the positioning slot 422 , and an adjustment gap 450 is provided between the positioning member 430 and the positioning slot 422 .

[0051] In the embodiment of the present application, during installation, the positioning member 430 and the locking collar 420 are first installed together, and the snap-in member 432 on the positioning member 430 is snapped into the snap-in slot 440. Then, the first mounting hole 310, the second mounting hole 321 and the third mounting hole 421 are aligned, and then the locking member 410 is passed through the third mounting hole 421 and gradually screwed into the first mounting hole 310. During the tightening process, the cooperation between the locking collar 420 and the convex ring 300 can prevent the locking member 410 from being relatively tilted with the convex ring 300 during the tightening process, thereby improving the stability during installation and also playing a guiding role. In addition, by providing an adjustment gap 450 between the positioning member 430 and the positioning slot 422, a certain adjustment between the positioning member 430 and the positioning slot 422 can be facilitated.

[0052] Moreover, the locking member 410 includes a rod body and a cap body, and the locking collar 420 is located between the cap body and the convex ring 300 , and the bottom of the locking collar 420 is in close contact with the convex ring 300 .

[0053] In some embodiments of the present application, the rod body and the cap body are an integral structure, and the thread is located on the rod body. Installing the locking ring 420 between the cap body and the convex ring 300 can enable the cap body to tighten the locking ring 420 after installation, and the two can cooperate with each other. At the same time, a plug connector 460 is also provided at the bottom of the rod body. The diameter of the plug connector 460 is smaller than the diameter of the rod body. A slot 470 adapted to the plug connector 460 is provided at the bottom of the second mounting hole 321. The cooperation between the plug connector 460 and the slot 470 can play a guiding and positioning role.

[0054] Embodiment 3:

[0055] An embodiment of the present application provides an injection molding mold for a plastic bolt. In addition to the above-mentioned technical features, the injection molding mold for a plastic bolt in the embodiment of the present application also includes the following technical features.

[0056] As shown in the figure, the positioning member 430 includes a ring body 431 and a plurality of clamping members 432 disposed on the ring body 431 , and a clamping groove 440 clamped with the clamping member 432 is disposed on the convex ring 300 .

[0057] In the embodiment of the present application, the stabilizing effect can be further improved through the cooperation between the card slot 440 and the card connector 432 .

[0058] The ring body 431 and the clamping member 432 are integrally formed. The cross section of the clamping member 432 is U-shaped, and one end of the clamping member 432 away from the ring body 431 contacts the inner wall of the clamping groove 440 .

[0059] The clamping member 432 is set to be U-shaped, and one end of the clamping member 432 contacts the inner wall of the slot 440, so that the clamping member 432 can be fixed in the slot 440, wherein the clamping member 432 and the convex ring 300 are integrally formed, which is convenient for production, and the clamping member 432 is made of elastic material, which can facilitate the connection between the clamping member 432 and the slot 440 during installation.

[0060] Embodiment 4:

[0061] An embodiment of the present application provides an injection molding mold for a plastic bolt. In addition to the above-mentioned technical features, the injection molding mold for a plastic bolt in the embodiment of the present application also includes the following technical features.

[0062] As shown in the figure, there are two clamping members 432 , and the two clamping members 432 are symmetrically arranged with respect to the locking member 410 .

[0063] In the embodiment of the present application, by providing two clamping members 432 on the convex ring 300 , the installation of the clamping members 432 and the positioning groove 422 can be made more stable.

[0064] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0065] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An injection molding mold for a plastic bolt, characterized in that: include: The mold body comprises an upper mold base (100), an upper mold plate (110), a lower mold plate (120) and a lower mold base (130) which are arranged in sequence from top to bottom: A sprue sleeve (200) is arranged on the upper mold base (100), a feed port (210) is arranged on the top thereof, a flow channel (220) is arranged inside thereof, and the flow channel (220) is communicated with the feed port (210); A convex ring (300) is arranged on the sprue bushing (200), a first mounting hole (310) is provided on the convex ring (300), an upper mold base (100) is provided with a mounting groove (320) for placing the convex ring (300), and a second mounting hole (321) corresponding to the position of the first mounting hole (310) is provided on the mounting groove (320); It also includes a locking structure (400) which is arranged on the convex ring (300) and is used to connect the convex ring (300) to the upper mold base (100).

2. The injection molding die for a plastic bolt according to claim 1, characterized in that: The locking structure (400) comprises: A locking member (410) is disposed on the convex ring (300) and is used to connect the first mounting hole (310) and the second mounting hole (321); A locking collar (420) is arranged on the locking member (410); the locking collar (420) is located corresponding to the first mounting hole (310) and is provided with a third mounting hole (421) for the locking member (410) to pass through; and a positioning groove (422) recessed inwardly is provided on a side wall of the locking collar (420); A positioning member (430) is disposed on the locking collar (420); The positioning member (430) is disposed in the positioning groove (422), and an adjustment gap (450) is provided between the positioning member (430) and the positioning groove (422).

3. The injection molding die for a plastic bolt according to claim 2, characterized in that: The locking member (410) comprises a rod body and a cap body, and the locking collar (420) is located between the cap body and the convex ring (300), and the bottom of the locking collar (420) is in close contact with the convex ring (300).

4. The injection molding die for a plastic bolt according to claim 3, characterized in that: The positioning member (430) comprises a ring body (431) and a plurality of clamping members (432) arranged on the ring body (431), and a clamping groove (440) clamped with the clamping member (432) is provided on the convex ring (300).

5. The injection molding die for a plastic bolt according to claim 4, characterized in that: The ring body (431) and the clamping piece (432) are integrally formed, the cross section of the clamping piece (432) is U-shaped, and one end of the clamping piece (432) away from the ring body (431) contacts the inner wall of the clamping groove (440).

6. The injection molding die for a plastic bolt according to claim 5, characterized in that: The number of the clamping parts (432) is two, and the two clamping parts (432) are symmetrically arranged with respect to the locking part (410).

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