CN217073167U - Forming die and sealing ring injection molding equipment with same - Google Patents

Abstract

The utility model relates to an injection molding technical field specifically discloses a forming die and have this forming die's sealing washer injection moulding equipment, forming die includes mould and lower mould, and lower mould upper end is inside to be provided with a plurality of back mould mold inserts, and back mould mold insert upper portion is provided with top cover and ejector pad, and the ejector pad is connected with first ejector pin upper end, and the top cover is connected with second ejector pin upper end, goes up the inside cavity of moulding plastics of seting up a plurality of injection molding materials that are used for pouring into the sprue bush input of mould orientation one side of lower mould, and the injection molding material in the cavity of moulding plastics forms the sealing washer product after the cooling of moulding plastics. The utility model discloses a runner cover pours into the injection molding cavity with the injection molding material, owing to set up the apical cover, has formed a recess that has high drop at edge, through this drop, when the second ejector pin drives the apical cover and upwards jacks up, can cut off material handle and sealing washer product and break away from, has solved the problem that has the waste material of excision again after needing the drawing of patterns when the sealing washer is produced to current mould.

Description

Forming die and sealing ring injection molding equipment with same

Technical Field

The utility model belongs to the technical field of mould plastics, specifically be a forming die and have this forming die's sealing washer injection moulding device.

Background

The injection molding technology has the characteristics of rapid molding and complex molding appearance, and is widely applied to various fields of electromechanics, automobiles, transportation, building materials, packaging and daily life of people. In the market, injection molding materials are injected into a mold through an injection molding machine, and then are formed into products with various shapes through cooling forming.

The mold is a key device of an injection molding process, and generally comprises various parts, so that the mold not only needs to meet the processing precision requirement of respective products, but also needs to be capable of being manufactured into various complex shapes. Therefore, for different types of products, there is usually a corresponding mould. The existing sealing ring products for batteries are small in size and thin, so that waste materials are generally required to be cut off after demolding in the injection molding process. However, the above prior art solutions have the following drawbacks: the waste materials are cut off after demoulding, operation procedures are increased undoubtedly, and the waste materials are cut off in a manual mode usually, so that the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a forming die to there is the problem of excision waste material again after needing the drawing of patterns when producing the sealing washer in the current mould that provides in solving above-mentioned background art.

The embodiment of the utility model provides a realize like this, a forming die, including last mould and be used for with go up the lower mould of mould looks adaptation, the inside a plurality of back mould mold inserts that are provided with in lower mould upper end, back mould mold insert upper portion is provided with the top cover and is located the ejector pad of top cover top, go up the mould upper end and offer the runner cover that is used for the input injection molding material, forming die still includes:

the upper end of the first ejector rod is connected with the push block and used for driving the push block to reciprocate along the axial lead direction of the rear mold insert; a plurality of injection molding cavities for injecting injection molding materials input by the sprue bush are formed in one side, facing the lower die, of the upper die, the injection molding materials in the injection molding cavities form a sealing ring product after injection molding and cooling, and the rest injection molding materials at the upper end of the sealing ring product form a material handle; and

and the upper end of the second ejector rod is connected with the ejector sleeve and used for driving the ejector sleeve to reciprocate along the axial lead direction of the rear mold insert so as to cut off and separate the material handle and the sealing ring product.

In another embodiment of the utility model, a sealing washer injection moulding device with this forming die is still provided, sealing washer injection moulding device still includes the injection molding machine main part, the input and the sprue bush intercommunication of injection molding machine main part are in order to pour into the injection molding material the cavity of moulding plastics.

The utility model has the advantages that:

compared with the prior art, the forming die provided by the embodiment of the utility model comprises an upper die and a lower die, wherein a plurality of rear die inserts are arranged inside the upper end of the lower die, the upper parts of the rear die inserts are provided with a top sleeve and a push block, the upper end of the upper die is provided with a sprue bush for inputting injection molding materials, the push block is connected with the upper end of a first ejector rod, the top sleeve is connected with the upper end of a second ejector rod, and the upper die is internally provided with a plurality of injection molding cavities for injecting the injection molding materials input by the sprue bush towards one side of the lower die; the molding die inputs the injection molding material into an injection molding cavity through a sprue bush, the injection molding material in the injection molding cavity forms a sealing ring product after injection molding and cooling, and the residual injection molding material at the upper end of the sealing ring product forms a material handle; because the ejection sleeve is arranged, the groove with height difference is formed at the edge part, and through the difference, when the second ejector rod drives the ejection sleeve to be ejected upwards, the material handle and the sealing ring product can be cut off and separated, namely, the cutting-off is completed in the demolding process, so that the problem that the waste material is cut off after demolding is needed when the sealing ring is produced by the conventional mold is solved, and the practicability is improved.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural view of a forming mold according to an embodiment of the present invention.

Fig. 2 is a perspective view of a forming mold according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a lower die layer, a lower die layer and a lower die layer in a forming die according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a material handle according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a sealing ring product according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a lower mold layer two and a lower mold layer three in a forming mold according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of the top cover in the forming mold according to an embodiment of the present invention.

Fig. 8 is a schematic view of a three-dimensional structure of a concave surface of a top sleeve in a forming mold according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a lower mold layer, a first push rod and a push block in the forming mold according to an embodiment of the present invention.

Fig. 10 is a perspective view of a sprue bush in a molding die according to another embodiment of the present invention.

Fig. 11 is a perspective view of a stripper plate insert in a molding die according to another embodiment of the present invention.

In the figure: 101-rear mould insert; 102-ejecting the fixed block twice; 103-ejecting the swing rod twice; 104-a push block; 105-a top sleeve; 106-cooling water jacket; 107-locking piece; 108-a front mold insert; 109-gate insert; 110-a first top bar; 111-a second ejector rod; 112-runner inserts; 113-a material pulling needle; 114-double-section thimble; 115-sprue bush; 116-stripper plate insert; 117-limit post; 118-a material handle; 119-injection molding a cavity; 120-seal ring product; 121-lower die one layer; 122-lower die two layer; 123-three layers of lower dies; 124-stub bar; 1051-a top sleeve base; 1052-a top sleeve body; 1053-the head of the top sleeve; 1054-concave of top sleeve.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly and clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

In the description of the present invention, it should be understood that unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The above-indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-11, for the utility model discloses a forming die's structure chart that an embodiment provided, forming die include last mould and be used for with go up the lower mould of mould looks adaptation, the inside a plurality of back mould mold inserts 101 that are provided with in lower mould upper end, back mould insert 101 upper portion is provided with the top cover 105 and is located the ejector pad 104 of top cover 105 top, go up the mould upper end and offer the runner cover 115 that is used for the input injection molding material, forming die still includes:

the upper end of the first ejector rod 110 is connected with the push block 104 and is used for driving the push block 104 to reciprocate along the axial lead direction of the rear mold insert 101; a plurality of injection molding cavities 119 for injecting injection molding materials input by the sprue bush 115 are formed in one side, facing the lower die, of the upper die, the injection molding materials in the injection molding cavities 119 form a sealing ring product 120 after injection molding and cooling, and the rest injection molding materials at the upper end of the sealing ring product 120 form a material handle 118; and

and the upper end of the second ejector rod 111 is connected with the ejector sleeve 105 and is used for driving the ejector sleeve 105 to reciprocate along the axial lead direction of the rear mold insert 101 so as to cut off and separate the material handle 118 and the sealing ring product 120.

The embodiment of the utility model provides an in, through having set up ejector pad 104 and top cover 105, the cooperation is used and can directly cut off material handle 118 and sealing washer product 120 after the completion of moulding plastics and break away from, need not to cut off again after the drawing of patterns and breaks away from, has reduced operation flow, has effectively improved work efficiency.

The utility model discloses an in an example, it is concrete, drive through second ejector pin 111 the top cover 105 cuts off material handle 118 and sealing washer product 120 and breaks away from, drives through first ejector pin 110 the top cover 105 is followed back mould mold insert 101 axial lead direction rebound to go up ejecting with sealing washer product 120, accomplish the drawing of patterns.

Further, as the utility model discloses a preferred embodiment, the top cover 105 includes fixed mounting and is in the top cover base 1051 of second ejector pin 111 upper end, be provided with top cover main part 1052 on the top cover base 1051, top cover head 1053 is installed to top cover main part 1052 upper end, the diameter size of top cover main part 1052 is greater than the diameter size of top cover head 1053, just top cover concave surface 1054 has been seted up to top cover head 1053 upper end edge inboard.

The embodiment of the utility model provides an in, it is concrete, because set up top cover concave surface 1054, top cover 105 head is equipped with a little concave surface promptly, a recess that has height drop has been formed at the border position, through this drop, when second ejector pin 111 drives top cover 105 and upwards jack-up, can cut off material handle 118 and sealing washer product 120 and break away from, accomplished cutting off when drawing of patterns promptly, and not cut off and break away from material handle 118 and sealing washer product 120 in the manual work again behind the drawing of patterns, adopt the manual mode to excise still to have the problem that the precision can't be mastered, the rejection rate can increase.

In an example of the present invention, as can be seen from fig. 5, the sealing ring product 120 is a very small and thin casing, which is usually used for packaging of button cells, and therefore, there is a high requirement for the quality of the mold, and when such a very thin product is formed by injection molding in a conventional mold, the material handle 118 and the sealing ring product 120 can be cut off and separated after the mold is removed, in order to ensure the shape of the product.

In another example of the present invention, the embodiment of the present invention is described by taking a button cell package as an example, but not limited thereto, and the forming mold can also be used for producing other types of sealing ring products 120. In the embodiment of the present invention, the forming mold may be configured with a concave surface 1054 of the top sleeve having a height drop, the concave surface 1054 of the top sleeve contacts with the injection molding cavity 119, and then the second ejector rod 111 drives the top sleeve 105 to jack up upwards, so that the material handle 118 and the sealing ring product 120 are cut off and separated, and the sealing ring product 120 is separated from the material handle 118 of the upper end.

Further, as the utility model discloses a preferred embodiment, go up the mould outside and be provided with at least one mode locking piece 107, can realize the mode locking through mode locking piece 107, the embodiment of the utility model provides a do not limit to the concrete structural style of mode locking piece 107, for example, the shape of mode locking piece 107 can be shapes such as U type, rectangle, triangle, L type, can do the adaptability according to the installation environment and adjust.

Further, as the utility model discloses a preferred embodiment, the lower mould includes the base and sets gradually lower mould one deck 121, two layers 122 of lower mould, lower mould three-layer 123 on the base, be provided with two sections thimble 114 on the lower mould one deck 121, be provided with the top pendulum rod subassembly that is used for driving lower mould one deck 121 upward movement on the two layers 122 of lower mould, correspond, still be provided with a plurality ofly on the base and be used for installing lower mould one deck 121, two layers 122 of lower mould, lower mould three-layer 123 and inject lower mould one deck 121, two layers 122 of lower mould, lower mould three-layer 123 spacing post 117 of reciprocating motion from top to bottom.

In the embodiment of the present invention, specifically, through the fall of the concave surface 1054 of the top cover, when the second push rod 111 drives the top cover 105 to jack up, the material handle 118 and the sealing ring product 120 are cut off and separated. When the second lower die layer 122 rises, the swing rod pushing assembly on the second lower die layer 122 clamps the inner wall of the die and tilts at the same time, as shown in fig. 3 and 6, the first lower die layer 121 is pushed upwards again through the swing rod pushing assembly, the sealing ring product 120 and the material handle 118 are pushed out through the push block 104 and the double-section ejector pin 114 and separated from the ejector sleeve 105, and at this time, demolding and separation of the sealing ring product 120 and the material handle 118 can be completed.

Further, as the utility model discloses a preferred embodiment, top pendulum rod subassembly includes the ejecting fixed block 102 of dismantled and assembled secondary that sets up on lower mould second floor 122, install the ejecting pendulum rod 103 of rotatable secondary on the ejecting fixed block 102 of secondary, through the ejecting pendulum rod 103 of secondary structure similar to the seesaw, can realize lower mould one deck 121 jack-up once more, accomplish injection moulding's back when the mould intracavity promptly, the mould die sinking, lower mould one deck 121 in the lower mould, lower mould second floor 122 jack-up, through first ejector pin 110, second ejector pin 111, two sections thimble 114 with sealing washer product 120 up ejecting, accomplish the drawing of patterns.

The utility model discloses an in an example, the ejecting fixed block 102 of secondary can adopt the setting element to realize detachable connections, for example, the setting element can adopt nut, buckle, screw rod etc. in this example, it is preferred, the setting element is the cooperation use of bolt and nut. Of course, the second ejection fixing block 102 may be fixed to the lower mold second layer 122 by welding, if necessary, in order to improve stability.

Further, as the utility model discloses a preferred embodiment, still be equipped with the cooling water jacket 106 that passes the inside axle center department of back mould mold insert 101 in the back mould mold insert 101, can carry out cooling to back mould insert 101 through cooling water jacket 106, and then can cool off in order to form sealing washer product 120 to the injection molding material in the cavity 119 of moulding plastics.

The technical points of the application of the forming die are as follows: because the sealing ring product 120 is small and thin, the cooling water jacket 106 is arranged, the sealing ring product 120 is pushed out firstly in action, the outer wall of the sealing ring product 120 is cooled firstly, and then the sealing ring product 120 is separated from the top sleeve 105, so that the whole demolding is completed, the sealing ring product 120 is effectively prevented from being deformed easily in direct demolding, a material handle 118 does not need to be cut off after demolding, and the whole process is automated.

As shown in fig. 1-4, as a preferred embodiment of the present invention, the lower end of the upper mold is provided with a runner insert 112 for communicating with a sprue bush 115, the runner insert 112 is communicated with the front mold insert 108 through a sprue insert 109, and the injection molding cavity 119 is disposed in the front mold insert 108.

As an embodiment of the present invention, it is provided with a plurality of drawing material needles 113 still to correspond in one side that goes up the mould and be provided with runner cover 115, draw material needle 113 to be used for with stub bar 124 (the injection molding material is detached stub bar 118 and the remaining part of sealing washer product 120 after moulding plastics), forming die is particularly useful for small-size sealing washer and moulds plastics, accomplishes injection moulding when the mould intracavity, and the mould die sinking draws stub bar 124 in figure 1 away to draw material needle 113, and lower mould one deck 121 in the lower mould, lower mould second floor 122 jack-up upwards push up sealing washer product 120 through first ejector pin 110, second ejector pin 111, two sections ejector pins 114, accomplishes the drawing of patterns.

As a preferred embodiment of the utility model, go up the mould and keep away from one side middle part of runner cover 115 still is provided with takes off flitch mold insert 116, can communicate with runner mold insert 112 through taking off flitch mold insert 116, and then can realize the input of runner cover 115 to the injection molding material.

An embodiment of the utility model also provides a sealing washer injection moulding device, including foretell forming die, sealing washer injection moulding device still includes the injection molding machine main part, the input and the sprue bush 115 intercommunication of injection molding machine main part to input injection molding material pours into cavity 119 of moulding plastics.

The present invention provides an injection molding machine, which comprises a molding die, an injection molding machine body, a drive mechanism and a control mechanism.

In another example of the present invention, the driving mechanism may be a servo motor in the prior art, and the specific model is not described herein. It can be understood that in other embodiments, the steering engine may be driven by an air cylinder or the like, and may be set under the control of a servo motor, and the steering engine is driven by the servo motor to operate, and is connected with a corresponding device to be driven, which is not particularly limited, and may be adaptively adjusted according to the installation environment.

Further, as the utility model discloses a preferred embodiment, sealing washer injection moulding device is still including being used for inputing the pump body to cooling water jacket 106, through the transport of the pump body, can realize the circulation of cooling water in cooling water jacket 106 to guarantee the cooling effect.

In an example of the present invention, generally speaking, existing products such as a circulation pump (a pump for circulating liquid for conveying reaction, absorption, separation, and absorption liquid regeneration), a cooling water pump (a pump suitable for conveying clear water or liquid with physical and chemical properties in a high-pressure operation system) and the like can be used, and a specific model is selected as needed, and is not limited here as long as the circulation conveyance of cooling water can be realized.

The utility model discloses an in still another example, sealing washer injection moulding device still includes the diaxon manipulator for drive tool adsorbs sealing washer product 120 and accomplishes the collection of sealing washer product 120, can also directly clip and take out waste materials such as stub bar 124, material handle 118, the diaxon manipulator can adopt prior art, and here does not need to be repeated.

The implementation principle of the embodiment is as follows: the molding die inputs the injection molding material into an injection molding cavity 119 through a sprue bush 115, the injection molding material in the injection molding cavity 119 forms a sealing ring product 120 after injection molding and cooling, and the rest injection molding material at the upper end of the sealing ring product 120 forms a material handle 118; because the ejector sleeve 105 is arranged, a groove with height difference is formed at the edge part, through the difference, when the second ejector rod 111 drives the ejector sleeve 105 to jack upwards, the material handle 118 and the sealing ring product 120 are cut off and separated, namely, the cutting off is completed during the demoulding process, instead of manually cutting off and separating the material handle 118 and the sealing ring product 120 after the demoulding process, the lower die layer 121 is jacked upwards again through the ejector swing rod component, and then the sealing ring product 120 and the material handle 118 are pushed out through the push block 104 and the double-section ejector pin 114 to separate from the ejector sleeve 105, at this time, the demoulding process and the separation of the sealing ring product 120 and the material handle 118 can be completed.

The electric appliances presented in the article can be connected with an external main controller and 220V mains supply, and the main controller can be a conventional known device controlled by a computer and the like.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a forming die, including last mould and be used for with the lower mould of last mould looks adaptation, its characterized in that, the inside a plurality of back mould mold inserts (101) that are provided with in lower mould upper end, back mould insert (101) upper portion is provided with top cover (105) and is located ejector pad (104) of top cover (105) top, go up the mould upper end and offer runner cover (115) that are used for the input injection molding material, forming die still includes:

the upper end of the first ejector rod (110) is connected with the push block (104) and used for driving the push block (104) to reciprocate along the axial lead direction of the rear mold insert (101); a plurality of injection molding cavities (119) for injecting injection molding materials input by the sprue bush (115) are formed in one side, facing the lower die, of the upper die, the injection molding materials in the injection molding cavities (119) form a sealing ring product (120) after being cooled, and the rest injection molding materials at the upper end of the sealing ring product (120) form a material handle (118); and

and the upper end of the second ejector rod (111) is connected with the ejector sleeve (105) and is used for driving the ejector sleeve (105) to reciprocate along the axial lead direction of the rear mold insert (101) so as to cut off and separate the material handle (118) and the sealing ring product (120).

2. The forming die of claim 1, wherein the top sleeve (105) comprises a top sleeve base (1051) fixedly installed on the upper end of the second ejector rod (111), a top sleeve main body (1052) is arranged on the top sleeve base (1051), a top sleeve head (1053) is installed on the upper end of the top sleeve main body (1052), and a top sleeve concave surface (1054) is formed inside the upper end edge of the top sleeve head (1053).

3. The forming die as claimed in claim 2, wherein the lower die comprises a base and a lower die first layer (121), a lower die second layer (122) and a lower die third layer (123) which are sequentially arranged on the base, the lower die first layer (121) is provided with a double-section ejector pin (114), and the lower die second layer (122) is provided with an ejector swing rod assembly for driving the lower die first layer (121) to move upwards.

4. The forming die of claim 3, wherein the top swing rod assembly comprises a secondary ejection fixing block (102) detachably arranged on the second layer (122) of the lower die, and the secondary ejection fixing block (102) is provided with a rotatable secondary ejection swing rod (103).

5. A forming die according to claim 4, characterized in that the lower end of the upper die is provided with a runner insert (112) for communicating with a sprue bushing (115), the runner insert (112) is communicated with a front die insert (108) through a sprue insert (109), and the injection cavity (119) is arranged in the front die insert (108).

6. The forming die of claim 4, wherein a stripper plate insert (116) is further disposed in the middle of the upper die on the side away from the sprue bush (115).

7. A gasket injection molding apparatus comprising a molding die according to any one of claims 1 to 6, further comprising an injection molding machine body having an input end in communication with a sprue bushing (115) for injecting injection molding material into the injection molding cavity (119).

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