Die-casting forming die for O-shaped ring

Abstract

The utility model relates to the technical field of sealing ring forming equipment, in particular to an O-shaped ring die-casting forming die which comprises a lower die, the top end of the lower die is connected with an upper die in a sliding mode, the periphery of the outer wall of the lower die is mechanically connected with a butt joint mechanism, and a plurality of butt joint rings are machined at the top end of the lower die. And a sealing mechanism is arranged at the top end of the upper die, and the upper die penetrates through the upper die to the position above the butt joint mechanism. According to the utility model, through the mutual cooperation of the internal parts of the butt joint mechanism, the butt joint and attachment between the lower die and the upper die are facilitated, and the sealing protection of a plurality of die-casting cavities is facilitated, so that the situation that die-casting liquid is sputtered into the nearby die-casting cavities to cause bad products is reduced; when O-shaped rings of different specifications are die-cast, the sealing plate can conduct dustproof protection on the unused flow guide groove, and the product die-casting quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring forming equipment technical field, concretely relates to a die casting forming die of O type ring. BACKGROUND

[0002] Die casting is a kind of precision casting method using high pressure to press liquid metal into metal mould with complex shape, which can produce high-precision and well-cast products in a short time. High-pressure sealing ring is usually formed by die casting die, and O-shaped sealing ring is a rubber sealing ring with circular cross section, which is widely used in the field of mechanical part sealing. The manufacturing of O-shaped sealing ring is mainly formed by die casting.

[0003] Through the search, the patent for invention with the publication number CN107650304B specifically discloses a kind of precision forming die of large diameter O type ring, including first template and second template, first template includes template body and quick-change module, quick-change module is set in the cavity of template body, the cavity of template body and the cavity of quick-change module cooperate to form the first cavity of plane helix;Second template includes template body and quick-change module, quick-change module is set in the cavity of template body, the cavity of template body and the cavity of quick-change module cooperate to form the second cavity of plane helix;The surface of first template and second template mutually adheres to make the first cavity and the second cavity cooperate to form the spiral cavity of helix;First template and second template are equipped with cooling system, cooling system includes inlet valve, inlet pipe, cooling gas cavity module, outlet pipe and blow nozzle. The helical type tangent die cavity of the present application, the production of large diameter O type ring can be completed using small mould, so that the cost of mould is reduced, and production efficiency is improved.

[0004] Although the above-mentioned patent can complete the production of large diameter O type ring by using small mould, so that the cost of mould is reduced, and production efficiency is improved, but O type ring in the manufacturing process due to only one feeding port, so as to cause long feeding time, and the material in different places in the mould is easy to distribute unevenly, easy to cause O type ring quality instability, high product rejection rate.

[0005] Therefore, it is necessary to propose a kind of die casting forming die of O type ring to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of O-ring die-casting forming mould, by the mutual cooperation between internal parts of docking mechanism, it is convenient to dock between lower mould and upper mould, and it is convenient to seal and protect multiple die-casting cavities, reduce die-casting liquid splashes into nearby die-casting cavity, cause product defect, by the mutual cooperation between internal parts of sealing mechanism, when die-casting different specifications of O-ring, sealing plate can carry out dustproof protection to unused flow guide groove, improve the quality of product die-casting, to solve the problem that O-ring in prior art in manufacturing process due to only one feed port, thereby leading to long feeding time, and material in different places in mould is unevenly distributed, easily cause O-ring quality unstable, product defective rate high.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of O-ring die-casting forming mould, including lower mould, the top end of the lower mould is slidably connected with upper mould, the outer wall of the lower mould is mechanically connected with docking mechanism, and it is internally penetrated to lower mould to upper mould, the top end of the upper mould is equipped with sealing mechanism, and it is penetrated to the upper side of docking mechanism from upper mould;

[0008] The docking mechanism includes inlet and outlet pipe, the inlet and outlet pipe is mechanically connected to one end of the outer wall of lower mould, the right side of the lower mould is mechanically connected with cooling assembly, and it is internally penetrated to lower mould, the top end of the lower mould is mechanically processed with multiple docking rings, and is distributed at the top end of lower mould, multiple docking rings are equipped with die-casting cavity between, and are respectively located at the top end of lower mould and the bottom end of upper mould, the bottom end of the upper mould is mechanically processed with sealing ring, and is sleeved with the outer wall of docking ring;

[0009] The sealing mechanism includes inlet pipe, the inlet pipe is installed and connected at the top end of upper mould, and it is internally penetrated to upper mould, the outer wall of the inlet pipe is mechanically processed with external thread, and is sleeved with the outer wall of inlet pipe, the top end of the upper mould is annularly equipped with multiple flow guide grooves, and is sleeved with the outer wall of inlet pipe, the inner wall of the flow guide groove is mechanically connected with multiple sealing plates, and is sleeved with the outer wall of inlet pipe.

[0010] Preferably, the upper mould is slidably connected at the top end of the lower mould by the support shaft, and the cooling assembly is composed of a circulating pipe and an inlet and outlet pipe penetrating the inside of the lower mould.

[0011] Preferably, the top end of the lower mould and the bottom end of the upper mould are equipped with die-casting grooves matched with O-rings of different specifications in equal proportions, and multiple flow guide grooves are annularly distributed above the die-casting grooves and penetrate between the upper mould and the lower mould.

[0012] Preferably, the bottom end of the upper mould is equipped with multiple docking grooves matched with the docking rings, and the sealing ring is completely attached to the inner and outer walls of the docking ring and attached to the top end of the lower mould.

[0013] Preferably, the inner wall of the flow guide groove is provided with internal threads matched with the external threads, and the flow guide groove is completely attached to the outer wall of the external threads.

[0014] Preferably, the sealing plate is made of TPU elastic material and is provided with a cross-shaped gap in the middle, and the surface of the sealing plate is provided with spiral threads matched with the external threads.

[0015] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0016] 1. The upper mold slides and is attached to the lower mold, the lower mold penetrates through the sealing rings at the bottom end of the upper mold through the butt joint rings, so that the sealing connection between the upper mold and the lower mold is completed, a plurality of butt joints matched with the butt joint rings are provided at the bottom end of the upper mold, and the inner and outer walls of the sealing ring and the butt joint ring are completely attached, so that the sealing ring and the butt joint ring are completely attached, a plurality of different specifications of die casting cavities are sealed and protected, so that the die casting liquid is reduced to splash into the nearby die casting cavities, and the product quality is unqualified, the air pressure between the upper mold and the lower mold is controlled after the upper mold and the lower mold are combined through the air inlet and outlet pipes, and the O-shaped ring after die casting is cooled and demolded through the cooperation between the internal parts of the cooling assembly.

[0017] 2. The front end of the feeding pipe is rotated, the feeding pipe is threadedly connected to the corresponding specification of the flow guide groove through the external threads, and the feeding pipe is moved in the flow guide groove to contact the sealing plate and extrude the sealing plate, the sealing plate is made of TPU elastic material and is provided with a cross-shaped gap in the middle, the surface of the sealing plate is provided with spiral threads matched with the external threads, the center of the sealing plate is extruded, the cross-shaped gap in the middle is deformed outward, the feeding pipe penetrates to the bottom end of the sealing plate, and the outer wall of the sealing plate and the outer wall of the feeding pipe are threadedly connected, so that the sealing property between the feeding pipe and the flow guide groove is improved, and the sealing plate that is not extruded can prevent dust from entering the flow guide groove, so that the quality of product die casting is ensured during use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a connection structure section view schematic view of the lower mold and the upper mold of the utility model;

[0021] Figure 3 It is the cross section structure schematic view of the upper die of the utility model;

[0022] Figure 4 It is the cross section structure schematic view of the upper die of the utility model; Figure 2 It is the enlarged structure schematic view of A place in the middle;

[0023] Figure 5 It is the cross section structure schematic view of the upper die of the utility model; Figure 3 It is the enlarged structure schematic view of B place in the middle.

[0024] Mark explanation:

[0025] 1, lower die;2, upper die;3, butt joint mechanism;301, inlet and outlet pipe;302, cooling assembly;303, butt joint ring;304, sealing ring;305, die casting cavity;4, sealing mechanism;401, feeding pipe;402, external thread;403, flow guide groove;404, sealing plate. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below with the accompanying drawings.

[0027] The utility model provides a kind of die casting forming mould of O-ring as shown in Figures 1-5 Including lower die 1, the top end of lower die 1 is slidably connected with upper die 2, the outer wall of lower die 1 is mechanically connected with butt joint mechanism 3 around, and it is internally penetrated to lower die 1 to upper die 2, and sealing mechanism 4 is set in the top end of upper die 2, and it is penetrated to the top of butt joint mechanism 3 of upper die 2;

[0028] Butt joint mechanism 3 includes inlet and outlet pipe 301, inlet and outlet pipe 301 is mechanically connected to one end of the outer wall of lower die 1, the right side of lower die 1 is mechanically connected with cooling assembly 302, and it is internally penetrated to lower die 1, the top end of lower die 1 is mechanically processed with a plurality of butt joint rings 303, is distributed in the top end of lower die 1, a plurality of butt joint rings 303 are set with die casting cavity 305 between, and are respectively located in the top end of lower die 1 and the bottom end of upper die 2, the bottom end of upper die 2 is mechanically processed with sealing ring 304, and is connected with the outer wall of butt joint ring 303;

[0029] Sealing mechanism 4 includes feeding pipe 401, feeding pipe 401 is installed and connected in the top end of upper die 2, and it is internally penetrated to upper die 2, and the outer wall of feeding pipe 401 is mechanically processed with external thread 402, and is connected with the outer wall of feeding pipe 401, and the top end of upper die 2 is annularly set with a plurality of flow guide grooves 403, and is connected with the outer wall of feeding pipe 401, and the inner wall of flow guide groove 403 is mechanically connected with a plurality of sealing plates 404, and is connected with the outer wall of feeding pipe 401.

[0030] Through the cooperation between the internal parts of the abutting mechanism 3, the lower mold 1 and the upper mold 2 are conveniently abutted and adhered, and a plurality of die casting cavities 305 are conveniently sealed and protected, so as to reduce the splashing of the die casting liquid into the nearby die casting cavities 305, thereby causing product defects. Through the cooperation between the internal parts of the sealing mechanism 4, when die casting O-rings of different specifications, the sealing plate 404 can prevent dust from entering the unused flow guide grooves 403, thereby improving the quality of product die casting.

[0031] Referring to the drawings accompanying the specification Figures 1-5 The upper mold 2 is slidably connected to the top end of the lower mold 1 through a support shaft. The cooling assembly 302 is composed of a circulating pipe and an inlet and outlet pipe penetrating into the lower mold 1. Through the cooling assembly 302 composed of the circulating pipe and the inlet and outlet pipe penetrating into the lower mold 1, the cooling assembly 302 can conveniently cool and demold the O-rings after die casting.

[0032] Referring to the drawings accompanying the specification Figures 1-5 The top end of the lower mold 1 and the bottom end of the upper mold 2 are provided with die casting grooves matching different specifications of O-rings in a proportional manner. A plurality of flow guide grooves 403 are annularly distributed above the die casting grooves and penetrate through the upper mold 2 to the lower mold 1. Through the annular distribution of the plurality of flow guide grooves 403 above the die casting grooves and the penetration of the upper mold 2 to the lower mold 1, when die casting O-rings of different specifications, the corresponding flow guide grooves 403 are used, thereby improving the applicability of the upper mold 2 and the lower mold 1.

[0033] Referring to the drawings accompanying the specification Figures 1-5 The bottom end of the upper mold 2 is provided with a plurality of abutting grooves matching the abutting ring 303. The inner and outer walls of the sealing ring 304 and the abutting ring 303 are completely adhered, and the top end of the lower mold 1 is adhered. Through the bottom end of the upper mold 2 provided with a plurality of abutting grooves matching the abutting ring 303, and the inner and outer walls of the sealing ring 304 and the abutting ring 303 are completely adhered, the sealing ring 304 and the abutting ring 303 are completely adhered, and a plurality of die casting cavities 305 are sealed and protected.

[0034] Referring to the drawings accompanying the specification Figures 1-5 The inner wall of the flow guide groove 403 is provided with an inner thread matching the outer thread 402, and the flow guide groove 403 is completely adhered to the outer wall of the outer thread 402. Through the inner wall of the flow guide groove 403 provided with the inner thread matching the outer thread 402, and the flow guide groove 403 is completely adhered to the outer wall of the outer thread 402, so as to conveniently seal and connect the inlet pipe 401 with the flow guide groove 403 through the outer thread 402.

[0035] Referring to the drawings accompanying the specification Figures 1-5The sealing plate 404 is made of TPU elastic material, and a cross-shaped gap is formed in the middle of the sealing plate 404, and a spiral thread matching the outer thread 402 is formed on the surface of the sealing plate 404, so that the feeding pipe 401 can penetrate into the flow guide groove 403, and the sealing plate 404 is extruded, so that the outer wall of the sealing plate 404 is sealingly connected with the outer wall of the feeding pipe 401, thereby improving the sealing performance between the feeding pipe 401 and the flow guide groove 403.

[0036] The utility model discloses a working principle:

[0037] Referring to the drawings in the specification Figures 1-5 The upper mold 2 is slidably connected with the lower mold 1, and the lower mold 1 penetrates through the sealing ring 304 between the bottom end of the upper mold 2 through the butt joint ring 303, so that the sealing connection between the upper mold 2 and the lower mold 1 can be completed, a plurality of butt joint grooves matching the butt joint ring 303 are formed in the bottom end of the upper mold 2, and the inner and outer walls of the sealing ring 304 and the butt joint ring 303 are completely attached, so that the sealing ring 304 and the butt joint ring 303 are completely attached, a plurality of different specifications of the die casting cavity 305 are sealed and protected, thereby reducing the splashing of the die casting liquid into the nearby die casting cavity 305, causing the product quality to be unqualified, the air pressure between the upper mold 2 and the lower mold 1 after the upper mold 2 and the lower mold 1 are closed can be controlled through the inlet and outlet pipes 301, and the O-shaped ring after die casting is cooled and demolded through the cooperation between the internal parts of the cooling assembly 302.

[0038] Referring to the drawings in the specification Figures 1-5 The front end of the feeding pipe 401 is rotated, so that the feeding pipe 401 is threadedly connected with the corresponding specification of the flow guide groove 403 through the outer thread 402, and continues to move in the flow guide groove 403, so that the feeding pipe 401 contacts and extrudes the sealing plate 404, the sealing plate 404 is made of TPU elastic material, and a cross-shaped gap is formed in the middle of the sealing plate 404, and a spiral thread matching the outer thread 402 is formed on the surface of the sealing plate 404, so that the center of the sealing plate 404 is extruded, and the cross-shaped gap in the middle is deformed outward, so that the feeding pipe 401 penetrates into the bottom end of the sealing plate 404, and the outer wall of the sealing plate 404 is sealingly connected with the outer wall of the feeding pipe 401, thereby improving the sealing performance between the feeding pipe 401 and the flow guide groove 403, and the sealing plate 404 not being extruded can prevent dust from entering the inner wall of the flow guide groove 403, thereby ensuring the quality of product die casting in use.

[0039] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A die casting mold for an O-ring, characterized by: Including lower mould (1), the top end of lower mould (1) is slidably connected with upper mould (2), the outer wall of lower mould (1) is mechanically connected with docking mechanism (3), and it is penetrated to the inside of lower mould (1) to upper mould (2), the top end of upper mould (2) is equipped with sealing mechanism (4), and it is penetrated to the upper of docking mechanism (3) from upper mould (2) to docking mechanism (3); The docking mechanism (3) includes an inlet and outlet pipe (301), the inlet and outlet pipe (301) is mechanically connected to one end of the outer wall of the lower mold (1), the right side of the lower mold (1) is mechanically connected with a cooling assembly (302), and it is penetrated to the inside of the lower mold (1), the top end of the lower mold (1) is mechanically processed with a plurality of docking rings (303), which are distributed on the top end of the lower mold (1), a plurality of the docking rings (303) are provided with a die casting cavity (305) between them, and are respectively located at the top end of the lower mold (1) and the bottom end of the upper mold (2), the bottom end of the upper mold (2) is mechanically processed with a sealing ring (304), and the outer wall of the docking ring (303) is sleeved. The sealing mechanism (4) includes a feeding pipe (401), the feeding pipe (401) is installed and connected at the top end of the upper mold (2) and penetrates into the inside of the upper mold (2), the outer wall of the feeding pipe (401) is mechanically processed with external threads (402), and the outer wall of the feeding pipe (401) is sleeved, the top end of the upper mold (2) is annularly provided with a plurality of flow guide grooves (403), and the outer wall of the feeding pipe (401) is sleeved, the inner wall of the flow guide groove (403) is mechanically connected with a plurality of sealing plates (404), and the outer wall of the feeding pipe (401) is sleeved.

2. The die casting mold for O-ring according to claim 1, wherein: The upper mold (2) is slidably connected to the top end of the lower mold (1) by a support shaft, and the cooling assembly (302) is composed of a circulating pipe and an inlet and outlet pipe penetrating into the lower mold (1).

3. The die casting mold for O-ring according to claim 1, wherein: The top end of the lower mold (1) and the bottom end of the upper mold (2) are provided with die casting grooves matched with different specifications of O-rings in proportion, a plurality of the flow guide grooves (403) are annularly distributed above the die casting grooves, and penetrate between the upper mold (2) and the lower mold (1).

4. The die casting mold for O-ring according to claim 1, wherein: The bottom end of the upper mold (2) is provided with a plurality of docking grooves matched with the docking rings (303), and the inner and outer walls of the sealing ring (304) and the docking ring (303) are completely matched, and the top end of the lower mold (1) is matched.

5. The die casting mold for O-ring according to claim 1, wherein: The inner wall of the flow guide groove (403) is provided with internal threads matched with the external threads (402), and the flow guide groove (403) is completely matched with the outer wall of the external threads (402).

6. The die casting mold for O-ring according to claim 1, wherein: The sealing plate (404) is made of TPU elastic material, and a cross-shaped gap is provided in the middle, and the surface of the sealing plate (404) is provided with a spiral thread matched with the external threads (402).

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