Mould for producing O-shaped rubber sealing ring

Abstract

The utility model relates to the technical field of O-shaped rubber sealing ring production equipment, and discloses a die for O-shaped rubber sealing ring production, which comprises a lower die holder and an upper die holder, a plurality of groups of lower dies are mounted on the upper side of the lower die holder in a penetrating manner, a through hole is formed in the lower side of each lower die, a central shaft penetrates through the through hole in a sliding manner, and a plurality of groups of upper dies are mounted on the lower side of the upper die holder. The upper die, the lower die and the central shaft form a complete O-shaped rubber sealing ring production die; a pouring assembly is installed on the upper portion of the upper die, the parts, located on the inner side of the lower die, of the center shafts are sleeved with push plates, the lower side of the lower die base is connected with a bottom plate, and the lower sides of the center shafts are connected with the bottom plate through elastic assemblies. Compared with the prior art, the O-shaped rubber sealing ring extracting device has the advantages that the push plate is pushed by the elastic component to push the O-shaped rubber sealing rings upwards from the bottom of the lower die, so that the O-shaped rubber sealing rings can be taken out conveniently, multiple groups of O-shaped rubber sealing rings can be extracted at the same time, and the production efficiency of the O-shaped rubber sealing rings is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to O type rubber seal ring production equipment technical field, specifically point to a kind of O type rubber seal ring production mould. BACKGROUND

[0002] In some raw material conveying process through pipeline, in order to guarantee the sealing property of conveying, O type sealing rubber needs to be connected to pipeline, O type rubber seal ring is combined by a low-friction filled polytetrafluoroethylene ring and O type rubber seal ring, O ring provides sufficient sealing pre-tightening force, and compensates the wear of PTFE ring, PTFE friction coefficient is small, and dynamic and static friction coefficients are similar, suitable for high-low speed reciprocating motion and high-pressure system cylinder piston rod sealing, two stepped ring sealing can achieve zero leakage, in O type rubber seal ring production process, template needs to be used for auxiliary.

[0003] But the O type rubber seal ring template of present is usually composed of upper die and lower die, the upper die is limited, and the lower die is shaped to O type rubber seal ring, when O type rubber seal ring is taken, there are the following two problems:

[0004] 1, O type rubber seal ring is easy to adhere to the inner wall of lower die, and staff needs to stretch hand into lower die to pull one side of O type rubber seal ring, so as to take O type rubber seal ring from lower die, which is easy to affect the shaping of O type rubber seal ring, and then affect the production quality of O type rubber seal ring;

[0005] 2, while multiple O type rubber seal rings are usually produced on one template, when taking, single O type rubber seal ring extraction is also easy to affect the production efficiency of O type rubber seal ring.

[0006] In view of the above technical problems, the present application provides an O type rubber seal ring production mould. UTILITY MODEL CONTENTS

[0007] I. Technical problems solved

[0008] The technical problem to be solved by the utility model is that staff pulls O type rubber seal ring, which is easy to affect the shaping of O type rubber seal ring, and single O type rubber seal ring extraction is also easy to affect the production efficiency of O type rubber seal ring.

[0009] II. Technical scheme

[0010] To solve the above technical problems, the utility model provides a technical scheme for: a mould for O type rubber seal ring production, including lower mould base and upper mould base, the upper mould base is sleeved on the outside of the upper portion of lower mould base, the lower side of lower mould base is equipped with a plurality of groups of lower mould, the lower side of lower mould is equipped with through -hole, the inside of through -hole is equipped with the centre axis that slides, the lower side of upper mould base is equipped with a plurality of groups of upper mould, the lower portion of upper mould is inserted into the inside of lower mould, and the lower side is equipped with the insertion hole that cooperates with the top insertion of centre axis, upper mould, lower mould and centre axis form complete O type rubber seal ring production mould,

[0011] The upper portion of the upper mold is provided with a pouring assembly, and the portion of the center shaft located inside the lower mold is sleeved with a push plate. The lower side of the lower mold base is connected with a bottom plate. A plurality of groups of center shafts are connected between the bottom plate through elastic components, so that the center shaft and the push plate slide inside the lower mold. The O type rubber seal ring is pushed out of the lower mold.

[0012] As an improvement, the elastic component includes a mounting plate, and a plurality of groups of center shafts are installed on the upper side of the mounting plate. A plurality of springs are connected between the mounting plate and the bottom plate.

[0013] As an improvement, the side wall of the push plate is in contact with the inner wall of the lower mold.

[0014] As an improvement, the pouring assembly includes a storage frame and a pressing plate. The storage frame is installed on the upper side of the upper mold base. The pressing plate is located inside the storage frame and its side wall is in contact with the inner wall of the storage frame. A feeding pipe is installed on the upper side of the pressing plate. A top opening is provided on the top of the storage frame. The upper end of the feeding pipe passes through the top opening and is provided with a sealing cover.

[0015] As an improvement, a material guiding channel is communicated between the lower side wall of the storage frame, the upper mold base and the side wall of the upper mold. The material guiding channel guides the storage frame and the inside of the lower mold.

[0016] As an improvement, the bottom plate and the lower mold base are fixedly connected through a plurality of bolts.

[0017] III. Advantages

[0018] The utility model has the advantages compared with the prior art:

[0019] 1. Before injection molding, the upper mold is pressed downward on the center shaft, forming an injection molding space for O type rubber seal ring between the upper mold, the lower mold and the center shaft. After injection molding, the upper mold base is removed from the upper side of the lower mold base. The upper mold no longer limits the center shaft. The center shaft is pushed upward by the elastic component. The O type rubber seal ring is pushed upward from the bottom of the lower mold by the push plate. The O type rubber seal ring is not adhered to the inner wall of the lower mold, making it easy to remove the O type rubber seal ring without affecting the shaping of the O type rubber seal ring.

[0020] 2. The elastic component simultaneously pushes multiple sets of central shafts, enabling the simultaneous extraction of multiple sets of O-rings, thereby improving the production efficiency of O-rings. Attached Figure Description

[0021] Figure 1 This is an exploded view of a mold for producing O-ring rubber seals according to this utility model.

[0022] Figure 2 This is a schematic diagram of the overall structure of a mold for producing O-ring rubber seals according to this utility model.

[0023] Figure 3 This is a schematic diagram of the lower mold base structure of a mold for producing O-ring rubber seals according to this utility model.

[0024] Figure 4 This is a schematic diagram of the lower side structure of the upper mold base of a mold for producing O-ring rubber seals according to this utility model.

[0025] Figure 5 This is a schematic diagram of the elastic component structure of a mold for producing O-ring rubber seals according to this utility model.

[0026] Figure 6 This is a schematic diagram of the casting component structure of a mold for producing O-ring rubber seals according to this utility model.

[0027] As shown in the figure: 1. Lower mold base; 2. Upper mold base; 3. Lower mold; 4. Through hole; 5. Base plate; 6. Mounting plate; 7. Spring; 8. Central shaft; 9. Push plate; 10. Upper mold; 11. Insertion hole; 12. Material guide channel; 13. Material storage frame; 14. Pressure plate; 15. Top opening; 16. Feeding pipe; 17. Sealing cover. Detailed Implementation

[0028] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0029] Example 1

[0030] The injection space for the O-ring is shown in the attached figure. Figure 1 Appendix Figure 2 Appendix Figure 3 and attached Figure 4As shown, a mold for producing O-shaped rubber sealing ring, comprising a lower mold base 1 and an upper mold base 2, the upper mold base 2 is sleeved on the outer side of the upper part of the lower mold base 1, a plurality of lower molds 3 are installed on the upper side of the lower mold base 1, a through hole 4 is arranged on the lower side of the lower mold 3, a center shaft 8 is slidably arranged in the through hole 4, a plurality of upper molds 10 are installed on the lower side of the upper mold base 2, the lower part of the upper mold 10 is inserted into the inner side of the lower mold 3, and the lower side is provided with a insertion hole 11 for inserting the top of the center shaft 8, the upper mold 10, the lower mold 3 and the center shaft 8 form a complete O-shaped rubber sealing ring production mold, and the O-shaped rubber sealing ring is formed on the inner side of the lower mold 3, the lower side of the upper mold 10 and the outer side of the center shaft 8, the upper mold 10 is fixedly installed on the lower side of the upper mold base 2 by bolts, which is convenient for replacing upper molds 10 of different lengths to produce O-shaped rubber sealing rings of different thicknesses.

[0031] In order to prevent the O-shaped rubber sealing ring from sticking to the inner wall of the lower mold 3 when taking out, as shown in Figure 3 and Figure 5 As shown, the part of the center shaft 8 located in the inner side of the lower mold 3 is sleeved with a push plate 9, the side wall of the push plate 9 is in contact with the inner wall of the lower mold 3, and the O-shaped rubber sealing ring is injection molded on the upper side of the push plate 9, the lower side of the lower mold base 1 is connected with a bottom plate 5, the bottom plate 5 and the lower mold base 1 are fixedly connected by a plurality of bolts, which is convenient for disassembling and maintaining the parts in the inner side of the lower mold base 1, a plurality of center shafts 8 are connected between the lower side of the bottom plate 5 and the bottom plate 5 through a plurality of elastic components, the elastic component comprises an installation plate 6, a plurality of center shafts 8 are installed on the upper side of the installation plate 6, a plurality of springs 7 are connected between the installation plate 6 and the bottom plate 5, so that the center shaft 8 and the push plate 9 slide in the inner side of the lower mold 3, and the O-shaped rubber sealing ring is pushed out of the lower mold 3.

[0032] Example two

[0033] On the basis of example one, when pouring the O-shaped rubber sealing ring, as shown in Figure 6 A pouring assembly is installed on the upper part of the upper mold 10, the pouring assembly comprises a storage frame 13 and a pressing plate 14, the storage frame 13 is installed on the upper side of the upper mold base 2, the pressing plate 14 is located in the inner side of the storage frame 13, and the side wall is in contact with the inner wall of the storage frame 13, a feeding pipe 16 is installed on the upper side of the pressing plate 14, a top opening 15 is arranged on the top of the storage frame 13, the upper end of the feeding pipe 16 penetrates through the top opening 15 and is provided with a sealing cover 17, a material guiding channel 12 is communicated between the side wall of the lower side of the storage frame 13, the upper mold base 2 and the upper mold 10, the material guiding channel 12 connects the inner side of the storage frame 13 and the lower mold 3, and the injection material is sent to the inner side of the lower mold 3 through the material guiding channel 12 by pushing down the pressing plate 14, so as to injection mold the O-shaped rubber sealing ring.

[0034] The specific use method is as follows:

[0035] According to the production thickness of the O-shaped rubber sealing ring, the upper mold 10 with a suitable height is selected and installed on the lower side of the upper mold base 2 by bolts, the upper mold base 2 is sleeved on the top outer side of the lower mold base 1, the center shaft 8 penetrates into the insertion hole 11 in the inside of the upper mold 10, when the upper mold 10 is inserted into the inside of the lower mold 3, the center shaft 8 is driven to move downward, so that the push plate 9 is attached to the bottom of the lower mold 3, forming an injection molding space, the upper mold base 2 is fixed on the top outer side of the lower mold base 1 by bolts, at this time, the groups of springs 7 between the mounting plate 6 and the bottom plate 5 are in a compressed state;

[0036] The raw materials are injected into the inside of the storage frame 13 through the feeding pipe 16, the sealing cover 17 is installed on the top of the feeding pipe 16, the raw materials are extruded by moving the pressing plate 14 downward on the inside of the storage frame 13, and the O-shaped rubber sealing ring is injection molded by being sent to the inside of the lower mold 3 through the material guiding channel 12;

[0037] When taking out the materials, the upper mold base 2 is taken off from the top outer side of the lower mold base 1, the mounting plate 6 and the groups of center shafts 8 are driven to move upward by the rebound force of the groups of springs 7, the push plate 9 is driven to move upward by the center shaft 8, the formed O-shaped rubber sealing ring is sent out of the lower mold 3, the O-shaped rubber sealing ring is taken off from the outside of the center shaft 8 by the clamping device or the hands of the staff, which does not affect the shaping of the O-shaped rubber sealing ring, and the production efficiency of the O-shaped rubber sealing ring is improved.

[0038] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or equipment.

[0039] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0040] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A mold for producing O-shaped rubber sealing rings, comprising a lower mold base (1) and an upper mold base (2), wherein the upper mold base (2) is sleeved on the outer side of the upper part of the lower mold base (1), characterized in that: a plurality of lower molds (3) are installed on the upper side of the lower mold base (1) through the lower mold base (1), the lower side of the lower mold (3) is provided with a through hole (4), a center shaft (8) is slidably arranged in the through hole (4), a plurality of upper molds (10) are installed on the lower side of the upper mold base (2), the lower part of the upper mold (10) is inserted into the inner side of the lower mold (3), and the lower side is provided with a insertion hole (11) for inserting the top of the center shaft (8), the upper mold (10), the lower mold (3) and the center shaft (8) form a complete mold for producing O-shaped rubber sealing rings; a pouring assembly is installed on the upper part of the upper mold (10), the part of the center shaft (8) located in the inner side of the lower mold (3) is sleeved with a push plate (9), the lower side of the lower mold base (1) is connected with a bottom plate (5), a plurality of center shafts (8) are connected between the lower side of the bottom plate (5) through a elastic assembly, so that the center shaft (8) and the push plate (9) slide in the inner side of the lower mold (3), and the O-shaped rubber sealing ring is pushed out of the lower mold (3). The elastic assembly comprises a mounting plate (6), a plurality of center shafts (8) are installed on the upper side of the mounting plate (6), and a plurality of springs (7) are connected between the mounting plate (6) and the bottom plate (5).

2. The mold for producing an O-shaped rubber seal ring according to claim 1, characterized in that: The side wall of the push plate (9) is in contact with the inner wall of the lower mold (3).

3. The mold for producing an O-shaped rubber seal ring according to claim 1, characterized in that: The pouring assembly comprises a storage frame (13) and a pressing plate (14), the storage frame (13) is installed on the upper side of the upper mold base (2), the pressing plate (14) is located in the inner side of the storage frame (13), and the side wall is in contact with the inner wall of the storage frame (13), the upper side of the pressing plate (14) is provided with a feeding pipe (16), the top of the storage frame (13) is provided with a top opening (15), the upper end of the feeding pipe (16) passes through the top opening (15) and is provided with a sealing cover (17).

4. The mold for producing an O-shaped rubber seal ring according to claim 1, characterized in that: The lower side wall of the storage frame (13), the upper mold base (2) and the side wall of the upper mold (10) are communicated with a material guiding channel (12), and the material guiding channel (12) guides the communication between the storage frame (13) and the inner side of the lower mold (3).

5. The mold for producing an O-shaped rubber seal ring according to claim 4, characterized in that: The bottom plate (5) and the lower mold base (1) are fixedly connected through a plurality of bolts.

6. The mold for producing an O-shaped rubber seal ring according to claim 1, characterized in that: ​

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