A forming process of metal-rubber sealing gasket with V-shaped structure

Abstract

The application discloses a metal-rubber sealing gasket forming process with a V-shaped structure, which comprises a cooling box, a support is rotationally arranged on the inner wall of the bottom of the cooling box, and a cavity is formed in the support; a plurality of connecting assemblies are equidistantly arranged on the outer sidewall of the support; a plurality of die assemblies are connected with the connecting assemblies in a one-to-one mode; and a connecting rod is arranged on the top of the support. The metal-rubber material can be placed on the cavity of one support through the feeding assembly, and after being extruded by the corresponding punch head, the material is preliminarily formed; then the material is sequentially placed on different supports and cavities by the feeding assembly, and step-by-step punching work is carried out by cooperating with different punch heads, so that the production work of the sealing gasket is finally realized; and through distributed forming, the damage of the rubber layer caused by the punching process is greatly reduced, and thus the yield of the product is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal rubber sealing pad production, in particular to a metal rubber sealing pad forming process with V-shaped structure. BACKGROUND

[0002] The metal plug is often used in our daily life, which blocks the pipe mouth that is not needed, plays a closing role, has the same nature as the blind plate, the head and the pipe cap, can be directly screwed on the pipe or the box, does not need other pipe fittings, the pipe plug in the prior art increases the friction by the longitudinal lines provided on the outer circumferential surface of the pipe plug to complete the installation and removal of the pipe plug, since the plugging plane of the pipe plug cannot reliably seal the hydraulic pipe mouth, therefore, the pipe plug in the prior art may allow impurities and dust to enter the hydraulic pipe from the thread entrance, and may cause liquid to seep out, and since the traditional pipe adopts electroplating and hot galvanizing process, the high temperature resistance, corrosion resistance and wear resistance are poor, which may cause rust at the connection between the plug and the pipe or the box, therefore, a metal rubber sealing pad with V-shaped structure is needed, and when producing the sealing pad, in order to avoid damage of the rubber due to excessive stamping, a metal rubber sealing pad forming process with V-shaped structure is needed.

[0003] In the prior art, most of the metal rubber sealing pads are damaged in the stamping process due to one-time stamping, which results in low yield and high production cost, and in the step-by-step forming process of the metal rubber raw material, the metal rubber raw material needs to be heated and cooled constantly to ensure the forming effect of the sealing pad, which results in high energy consumption for heating and further increases the production cost. SUMMARY

[0004] The present application aims to provide a metal rubber sealing pad forming process with V-shaped structure to solve the technical problems in the prior art.

[0005] The present application provides a metal rubber sealing pad forming process with V-shaped structure, comprising the following steps:

[0006] Step one: stamping the metal rubber material by using the forming equipment, stamping to 30% of the product height, and making the metal rubber material form an inclination angle of 130°;

[0007] Step two: transferring the material obtained in step one by using the forming equipment, and performing second stamping work by using the forming equipment to further form the material obtained in step one, and making the inclination angle reduce to 90°, and cleaning the previous forming part;

[0008] Step three: repeating step two to finally form the product.

[0009] Preferably, the forming device comprises:

[0010] A cooling box, a support is rotatably arranged on the inner wall of the bottom of the cooling box, and a cavity is arranged in the support;

[0011] A plurality of connecting assemblies are equidistantly arranged on the outer sidewall of the support;

[0012] A plurality of mold assemblies are one-to-one connected with the plurality of connecting assemblies;

[0013] A connecting rod is arranged on the top of the support, a connecting frame is arranged on the top of the connecting rod, a plurality of extrusion assemblies are arranged on the bottom of the connecting frame, and the extrusion assemblies correspond to the mold assemblies one by one;

[0014] The mold assembly comprises:

[0015] A support is connected with the connecting assembly;

[0016] A cavity is arranged on the top of the support, and a cavity is arranged in the support close to the cavity;

[0017] A connecting pipe is arranged on the top of the support, the connecting pipe is communicated with the cavity, and a plurality of through holes are equidistantly arranged on the top of the sidewall of the connecting pipe;

[0018] A connecting cylinder is arranged on the sidewall of the bottom of the connecting frame, and the middle part of the connecting cylinder is a tapered structure;

[0019] A sealing ring is arranged on the top of the sidewall of the connecting pipe;

[0020] A communication assembly is communicated with the cavity and the cavity;

[0021] A circulating assembly is communicated with one end of the connecting cylinder and the other end of the cavity;

[0022] A feeding assembly is arranged on the top of the cooling box, and the feeding assembly is used for transferring materials.

[0023] Preferably, the connecting assembly comprises:

[0024] A sliding groove is arranged on the outer sidewall of the support;

[0025] An installation block is slidably arranged in the sliding groove, and the support is fixed with the installation block;

[0026] A spring is arranged on the inner wall of the bottom of the sliding groove, and the spring is fixed with the installation block.

[0027] Preferably, the extrusion assembly comprises:

[0028] A hydraulic push rod is arranged at the bottom of the connecting frame;

[0029] A punch head is arranged at the output end of the hydraulic push rod.

[0030] Preferably, the punch head and the cavity are one-to-one matched in shape.

[0031] Preferably, the communication assembly comprises:

[0032] A return pipe is in communication with the cavity at one end and the hollow cavity at the other end.

[0033] Preferably, the application further comprises:

[0034] A mesh plate is arranged on the inner wall of the cavity, and the top of the mesh plate is provided with an electric heating wire.

[0035] An electric motor is arranged at the bottom of the cooling box, and the output end of the electric motor is fixed to the support column.

[0036] Preferably, the circulation assembly comprises:

[0037] A box body is arranged at the top of the support column, and the box body is provided with an oil pump.

[0038] A conveying pipe is arranged at the input port of the oil pump, and the conveying pipe is arranged in the cavity.

[0039] An output pipe is arranged at the output port of the oil pump, and the output pipe is in communication with the connecting cylinder.

[0040] Preferably, the feeding assembly comprises:

[0041] A ring-shaped sliding table is arranged at the top of the cooling box.

[0042] A plurality of fixing blocks are fixed to the moving end of the ring-shaped sliding table.

[0043] A plurality of connecting blocks are fixed to the plurality of fixing blocks one-to-one, and each of the connecting blocks is provided with an electric push rod penetrating through the side wall, and each of the electric push rods is provided with a support at the output end, and each of the supports is provided with a suction cup at the side wall end.

[0044] Preferably, the application further comprises:

[0045] A plurality of support frames are arranged on the inner wall of the bottom of the cooling box, and the plurality of support frames are one-to-one corresponding to the plurality of support columns.

[0046] Compared with the prior art, the application has the following beneficial effects:

[0047] (1) The multiple supports, cavities, stamping heads, hydraulic push rods and feeding assemblies provided by the application can be used to place the metal rubber material on the cavity of one of the supports through the feeding assembly during use, extruded by the corresponding stamping head to realize preliminary forming, and then sequentially place the material on different supports and cavities through the feeding assembly, and cooperate with different stamping heads to perform step-by-step stamping work, so as to finally realize the production of the sealing gasket, and through distributed forming, the damage of the rubber layer caused by the stamping process is greatly reduced, thereby ensuring the yield of the product.

[0048] (2) The connecting pipe, sealing ring, through hole, connecting barrel and circulating assembly provided by the application can be used to deliver the high-temperature heat-conducting oil in the cavity to the connecting barrel through the circulating assembly during use, at this time, the connecting pipe is located in the upper part of the connecting barrel, and since the middle part of the connecting barrel is a conical structure, the heat-conducting oil in the connecting barrel enters the connecting pipe through the through hole and then enters the cavity to heat the cavity, and the heat-conducting oil is returned to the cavity through the connecting assembly to realize the heating work of the cavity, and through heating the rubber layer, the forming effect of the rubber layer is ensured, after the rubber layer is formed, the support is lowered through the work of the hydraulic push rod and immersed in the cooling liquid in the cooling box, and in the process of lowering the support, the connecting pipe is lowered along the connecting barrel, and the flow of the heat-conducting oil is limited through the action of the sealing ring, so that after cooling, the heat-conducting oil in the cavity only needs to be heated again, thereby reducing the energy consumption required for heating the rubber layer and further reducing the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 is a perspective structural schematic diagram of the application;

[0050] Figure 2 is a cooling tank and motor structure schematic diagram of the application;

[0051] Figure 3 is a connecting barrel and connecting pipe structure schematic diagram of the application;

[0052] Figure 4 is a support cross-sectional structure schematic diagram of the application;

[0053] Figure 5 is a Figure 4 partial enlarged structure schematic diagram of position A in the application;

[0054] Figure 6 is a Figure 4 partial enlarged structure schematic diagram of position B in the application.

[0055] REFERENCE SIGNS:

[0056] 1. Cooling box; 2. Annular slide; 3. Fixing block; 4. Connecting block; 5. Electric push rod; 6. Bracket; 7. Suction cup; 8. Support column; 9. Support base; 10. Support frame; 11. Connecting rod; 12. Connecting frame; 13. Hydraulic push rod; 14. Punching head; 15. Motor; 16. Box body; 17. Output pipe; 18. Cavity; 19. Slide groove; 20. Connecting cylinder; 21. Connecting pipe; 22. Return pipe; 23. Conveying pipe; 24. Mesh plate; 25. Sealing ring; 26. Through hole; 27. Mounting block; 28. Spring. Detailed Implementation

[0057] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0058] The following is combined with Figures 1 to 6 As shown, this embodiment of the invention provides a molding process for a metal-rubber gasket with a V-shaped structure, including the following steps:

[0059] Step 1: Use molding equipment to stamp the metal rubber material to 30% of the product height, and make the metal rubber material form a 130° tilt angle;

[0060] Step 2: Transfer the material obtained in Step 1 through the forming equipment, and use the forming equipment to perform a second stamping operation to further shape the material obtained in Step 1, reduce the tilt angle to 90°, and clean the previously formed area.

[0061] Step 3: Repeat step 2 to finalize the product.

[0062] Furthermore, the molding equipment includes:

[0063] Cooling box 1, with a support column 8 rotatably mounted on the bottom inner wall of cooling box 1, and a cavity opened inside the support column 8;

[0064] Multiple connecting components are equidistantly arranged on the outer wall of the support column 8;

[0065] Multiple mold components, and one-to-one connection of multiple mold components and multiple connecting components;

[0066] A connecting rod 11 is provided on the top of the support column 8. A connecting frame 12 is provided on the top of the connecting rod 11. Multiple extrusion components are provided at the bottom of the connecting frame 12, and the extrusion components and the mold components correspond one-to-one.

[0067] The mold components include:

[0068] Support 9, and the connection assembly are connected;

[0069] A cavity 18 is formed on the top of the support 9, and a cavity is formed in the support 9 near the cavity 18;

[0070] A connecting pipe 21 is arranged on the top of the support 9, and the connecting pipe 21 is communicated with the cavity, and a plurality of through holes 26 are formed on the top of the side wall of the connecting pipe 21;

[0071] A connecting cylinder 20 is arranged on the side wall of the connecting frame 12, and the middle part of the connecting cylinder 20 is a tapered structure;

[0072] A sealing ring 25 is arranged on the top of the side wall of the connecting pipe 21;

[0073] A communication assembly is communicated with the cavity and the cavity body;

[0074] A circulating assembly is communicated with the connecting cylinder 20 at one end, and is communicated with the cavity body at the other end;

[0075] A feeding assembly is arranged on the top of the cooling box 1, and is used for transferring the material.

[0076] The metal rubber material is placed on the cavity 18 of one of the supports 9 through the feeding assembly, and the metal rubber material is extruded through the corresponding extrusion assembly and the cavity 18, and the metal rubber material is formed through the cooperation of the cavity 18 and the extrusion assembly;

[0077] After forming, the support 9 is lowered through the further work of the extrusion assembly and the cooperation of the connecting assembly, so that the connecting cylinder 20 and the connecting pipe 21 are relatively displaced, until the sealing ring 25 on the connecting pipe 21 seals the connecting cylinder 20 and the connecting pipe 21, at this time, due to the lowering of the support 9, the support 9 is immersed in the cooling liquid of the cooling box 1, so as to cool the formed metal rubber material, so as to shape the metal rubber material, and the connecting cylinder 20 and the connecting pipe 21 are in a sealed state, so as to realize that only the heat conducting oil in the cavity is cooled, and only the heat conducting oil stored in the cavity needs to be heated in the next heating work, so as to reduce the heating amount of the heat conducting oil, and further reduce the energy consumption, and save the production cost.

[0078] Further, the connecting assembly comprises:

[0079] A sliding groove 19 is formed on the outer side wall of the support column 8;

[0080] An installation block 27 is slidingly arranged in the sliding groove 19, and the support 9 and the installation block 27 are fixed;

[0081] A spring 28 is arranged on the inner wall of the bottom of the sliding groove 19, and the spring 28 and the installation block 27 are fixed.

[0082] Further comprising: a plurality of support frames 10, the plurality of support frames 10 are arranged on the inner wall of the bottom of the cooling box 1, and the plurality of support frames 10 and the plurality of supports 9 are one-to-one corresponding.

[0083] Before work, the cooling liquid is injected into the cooling box 1;

[0084] When the extrusion assembly is descending, the extrusion assembly extrudes the support 9, and under the sliding action between the mounting block 27 and the sliding groove 19, the support 9 slowly descends to the top of the support frame 10, and with the continuous work of the extrusion assembly, the stamping forming work of the metal rubber material is realized.

[0085] During the cooling process, only after the support 9 moves away from the support frame 10 after the support 8 rotates a certain angle, with the work of the extrusion assembly, the support 9 can continue to descend and be immersed in the cooling liquid in the cooling box 1, and due to the support provided by the spring 28 to the mounting block 27, the metal rubber material in the cavity 18 always maintains a certain degree of pressure during the process of the support 9 descending again, and after the metal rubber material is immersed in the cooling liquid, the metal rubber material is cooled and the shaping work of the metal rubber material is realized.

[0086] Further, the extrusion assembly comprises:

[0087] The hydraulic push rod 13 is arranged at the bottom of the connecting frame 12.

[0088] The stamping head 14 is arranged at the output end of the hydraulic push rod 13.

[0089] The shapes of the plurality of stamping heads 14 and the plurality of cavities 18 are one-to-one matched.

[0090] When the switch of the hydraulic push rod 13 is turned on, the hydraulic push rod 13 drives the stamping head 14 to descend, and cooperates with the cavity 18 matched with the stamping head 14 to realize the stamping work of the metal rubber material.

[0091] Further, the communication assembly comprises:

[0092] The return pipe 22 is in communication with the cavity at one end and in communication with the hollow cavity at the other end.

[0093] Further comprising:

[0094] The mesh plate 24 is arranged on the inner wall of the cavity, and the mesh plate 24 is provided with an electric heating wire at the top.

[0095] The motor 15 is arranged at the bottom of the cooling box 1, and the output end of the motor 15 is fixed with the support 8.

[0096] Further, the circulation assembly comprises:

[0097] A box body 16 is arranged on the top of the support column 8, and a oil pump is arranged in the box body 16;

[0098] A conveying pipe 23 is arranged on the input port of the oil pump, and the conveying pipe 23 is arranged in the cavity;

[0099] An output pipe 17 is arranged on the output port of the oil pump, and the output pipe 17 is communicated with the connecting cylinder 20.

[0100] During the heating process, the switch of the electric heating wire is turned on, the electric heating wire works, the heat-conducting oil in the cavity is heated, the switch of the oil pump is turned on, the oil pump inputs the high-temperature heat-conducting oil into the output pipe 17 through the conveying pipe 23, and then into the connecting cylinder 20. Since the middle part of the connecting cylinder 20 is a tapered structure, when the through hole 26 on the connecting pipe 21 is above the tapered structure, the heat-conducting oil in the connecting cylinder 20 enters the connecting pipe 21 through the through hole 26, and then enters the cavity, so as to heat the cavity 18;

[0101] During the cooling process, the support 9 is lowered, so that the connecting pipe 21 and the connecting cylinder 20 slide, and then the through hole 26 on the connecting pipe 21 is below the tapered structure. At this time, under the action of the sealing ring 25, the sealing between the connecting cylinder 20 and the connecting pipe 21 is realized, and then the heat-conducting oil is in a stopped flowing state during the cooling process, so as to avoid that the flowing heat-conducting oil is taken away by the cooling liquid in the cooling box 1. Therefore, the energy required for heating the heat-conducting oil is reduced, and the production cost is further reduced.

[0102] Further, the feeding assembly comprises:

[0103] A ring-shaped sliding table 2 is arranged on the top of the cooling box 1;

[0104] A plurality of fixed blocks 3 are fixed to the moving end of the ring-shaped sliding table 2;

[0105] A plurality of connecting blocks 4 are fixed to the plurality of fixed blocks 3 one by one, an electric push rod 5 is arranged in the side wall of each connecting block 4, a support 6 is arranged at the output end of each electric push rod 5, and a suction disc 7 is arranged at the side wall end of each support 6.

[0106] After the shaping and sizing work on the support 9 is completed, the fixing block 3 is moved through the work of the annular sliding table 2, and in the process of moving the fixing block 3, the connecting block 4, the electric push rod 5, the support 6 and the suction cup 7 are driven to move. When material transfer is needed, the suction cup 7 is driven to move to a position above the metal rubber material through the annular sliding table 2, the suction cup 7 is tightly contacted with the metal rubber material through the work of the electric push rod 5, and the metal rubber material is fixed through the adsorption of the suction cup 7, and then the position of the fixing block 3 is adjusted through the annular sliding table 2, so that the metal rubber material is moved to the cavity 18 of the next support 9 to realize distributed shaping work.

Claims

1. A process for forming a metal rubber gasket having a V-shaped configuration, characterized by, It comprises the following steps: Step one: use the forming equipment to punch the metal rubber material, punch to 30% of the product height, and make the metal rubber material form a 130° angle; Step two: transfer the material obtained in step one by the forming equipment, use the forming equipment for the second punching work, make the material obtained in step one further form, and make the angle reduce to 90°, and clean the previous forming part; Step three: repeat step two to make the product finally formed; The forming equipment comprises: A cooling box (1), a support (8) is rotatably arranged on the inner wall of the bottom of the cooling box (1), and a cavity is formed in the support (8); A plurality of connecting assemblies are arranged at equal distances on the outer side wall of the support (8); A plurality of mold assemblies are connected with the connecting assemblies one by one; A connecting rod (11) is arranged on the top of the support (8), and a connecting frame (12) is arranged on the top of the connecting rod (11); The connecting frame (12) is provided with a plurality of extrusion assemblies at the bottom, and the extrusion assemblies correspond to the mold assemblies one by one; The mold assembly comprises: A support (9) connected with the connecting assembly; A cavity (18) is formed on the top of the support (9), and a cavity is formed in the support (9) near the cavity (18); A connecting pipe (21) is arranged on the top of the support (9), and the connecting pipe (21) is communicated with the cavity, and a plurality of through holes (26) are formed on the top of the side wall of the connecting pipe (21) at equal distances; A connecting cylinder (20) is arranged on the side wall of the bottom of the connecting frame (12), and the middle part of the connecting cylinder (20) is a tapered structure; A sealing ring (25) is arranged on the top of the side wall of the connecting pipe (21); A communication assembly is communicated with the cavity and the cavity; A circulating assembly is communicated with one end of the connecting cylinder (20) and the other end of the cavity; 2. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, A feeding assembly is arranged on the top of the cooling box (1), and the feeding assembly is used for transferring the material. The connecting assembly comprises: A chute (19) is formed on the outer side wall of the support (8); An installation block (27) is slidably arranged in the chute (19), and the support (9) and the installation block (27) are fixed; 3. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, A spring (28) is arranged on the inner wall of the bottom of the chute (19), and the spring (28) and the installation block (27) are fixed. The extrusion assembly comprises: A hydraulic push rod (13) is arranged on the bottom of the connecting frame (12); 4. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 3, characterized in that, A punch head (14) is arranged on the output end of the hydraulic push rod (13).

5. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, The shapes of a plurality of punch heads (14) and a plurality of cavities (18) are matched one by one. The communication assembly comprises:

6. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, A return pipe (22) is communicated with one end of the cavity and the other end of the cavity. Further comprising: A mesh plate (24) is arranged on the inner side wall of the cavity, and the top of the mesh plate (24) is provided with an electric heating wire; A motor (15) is arranged at the bottom of the cooling box (1), and the output end of the motor (15) is fixed with the support (8).

7. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, The circulating assembly comprises: A box body (16) is arranged at the top of the support (8), and the box body (16) is provided with an oil pump inside; A conveying pipe (23) is arranged on the input port of the oil pump, and the conveying pipe (23) is located in the cavity; An output pipe (17) is arranged on the output port of the oil pump, and the output pipe (17) is communicated with the connecting barrel (20).

8. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, The feeding assembly comprises: An annular sliding table (2) is arranged at the top of the cooling box (1); A plurality of fixing blocks (3) are fixed with the moving end of the annular sliding table (2); A plurality of connecting blocks (4) are fixed one by one with the fixing blocks (3), the side wall of each connecting block (4) is provided with an electric push rod (5), the output end of each electric push rod (5) is provided with a support (6), and the side wall end of each support (6) is provided with a suction cup (7).

9. The forming process of the metal rubber sealing gasket with V-shaped structure according to claim 1, characterized in that, Further comprising: A plurality of support frames (10) are arranged on the inner wall of the bottom of the cooling box (1), and the plurality of support frames (10) correspond one by one with the plurality of supports (9).

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