Mould structure for hot-press forming of bra cups by silica gel cloth

Abstract

The utility model discloses a mould structure for hot-press forming of bra cups by silica gel cloth, which comprises a processing table, a lower concave mould arranged at the top of the processing table, a fixing frame fixedly connected to the top side of the processing table, a first hydraulic cylinder fixedly connected to the top of the fixing frame, and a lower end of the first hydraulic cylinder connected with the top of an upper convex mould. Heaters are installed in the upper male die and the lower female die, the upper male die is arranged at the top of the lower female die, auxiliary material cloth is laid on the inner wall of the lower female die, a plurality of pipe bodies are inserted into the lower female die, intercepting nets are arranged on the inner walls of the pipe bodies, ejector rods are fixedly connected to the bottoms of the intercepting nets, the bottoms of the auxiliary material cloth are attached to the intercepting nets, and adsorption pipes are inserted into the pipe bodies; the outer wall of the ejector rod is fixedly connected with a sealing ring, the bottom side of the machining table is fixedly connected with a vacuum pump, and one end of the adsorption pipe penetrates through the sealing ring to be connected with the vacuum pump. The device can ensure the stability and flatness of the auxiliary material cloth in the hot press molding process, and avoids the influence of wrinkles of the auxiliary material cloth on the finished product quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicone rubber product processing, in particular to a mould structure for hot-press forming of a silicone cloth bra cup. BACKGROUND

[0002] The silicone rubber product is made of methyl vinyl silicone rubber as base glue, various fillers (reinforcing agent, heat-resistant agent, modifier, etc.) through mixing, sheeting, filtering, adding sulfur, mold pressing, extruding, bonding and other production processes.

[0003] The silicone cloth bra cup is also a kind of silicone rubber product, which is a composite material combined by silicone rubber and auxiliary cloth. The silicone cloth bra cup needs to be hot-press formed using a mould during the production process. The existing silicone cloth bra cup product has a thin edge, which is prone to damage during demolding. Meanwhile, the auxiliary cloth is not easy to fix in the mould, which may cause wrinkles in the auxiliary cloth and reduce the quality of the silicone cloth bra cup product. Therefore, it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a mould structure for hot-press forming of a silicone cloth bra cup to solve the problem of the position of the auxiliary cloth in the mould being prone to deviation and affecting the quality of the product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mould structure for hot-press forming of a silicone cloth bra cup, comprising a processing table, a lower concave die is arranged on the top of the processing table, an upper convex die is arranged on the top of the lower concave die, auxiliary cloth is laid on the inner wall of the lower concave die, a plurality of pipe bodies are inserted into the lower concave die, an intercepting net is arranged on the inner wall of the pipe body, a jack rod is fixedly connected to the bottom of the intercepting net, the auxiliary cloth is attached to the intercepting net, a suction tube is inserted into the pipe body, the suction tube is located on the bottom side of the intercepting net, a sealing ring is fixedly connected to the outer wall of the jack rod, a vacuum pump is fixedly connected to the bottom side of the processing table, and one end of the suction tube penetrates through the sealing ring and is connected to the vacuum pump.

[0006] Preferably, a fixing frame is fixedly connected to the top side of the processing table, and a first hydraulic cylinder is fixedly connected to the top of the fixing frame.

[0007] Preferably, the lower end of the first hydraulic cylinder is connected to the top of the upper convex die, and a heater is installed in the upper convex die and the lower concave die.

[0008] Preferably, a mounting frame is fixedly connected to the bottom side of the processing table, and a second hydraulic cylinder is installed at the bottom of the mounting frame.

[0009] Preferably, a jack rod is arranged on the top of the mounting frame, the jack rod has an "E" shape structure, and the bottom of the jack rod is fixedly connected to the top end of the second hydraulic cylinder.

[0010] Preferably, the pipe body is provided with a plurality of pipe bodies respectively about the lower concave die edge and the lower concave die center position, the pipe body top corresponds to the auxiliary material cloth edge and the center position, the pipe body bottom is integrally connected with the mounting seat, and the mounting seat is fixedly connected with the bottom of the processing table.

[0011] Preferably, the adsorption pipe is provided with an electromagnetic valve, and the ejector rod and the intercepting net are in sliding connection with the pipe body.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The device can ensure the stability of the auxiliary material cloth during the hot pressing process, and avoid the wrinkles of the auxiliary material cloth affecting the product quality.

[0014] (2) The device inserts the pipe body in the lower concave die, connects the adsorption pipe in the pipe body, connects one end of the adsorption pipe with the vacuum pump, generates negative pressure at the top of the pipe body under the action of the vacuum pump, adsorbs the edge and the center position of the auxiliary material cloth, ensures the stability of the auxiliary material cloth, avoids the wrinkles of the auxiliary material cloth, and is beneficial to the subsequent hot pressing and compounding with the liquid silica gel.

[0015] (3) The device sets the intercepting net on the inner wall of the pipe body, connects the top rod at the bottom of the intercepting net, pushes the intercepting net to automatically ascend and descend, pushes the product edge to separate from the lower concave die when the intercepting net rises, and isolates the auxiliary material cloth from the adsorption pipe, so that the auxiliary material cloth is not uneven due to adsorption. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the mold structure of the utility model of a silica gel cloth hot pressing forming bra cup;

[0017] Figure 2 It is a structure schematic view of the mold structure of the utility model of a silica gel cloth hot pressing forming bra cup; Figure 1 It is an enlarged view of A in the middle;

[0018] Figure 3 It is an enlarged view of B in the middle of the mold structure of the utility model of a silica gel cloth hot pressing forming bra cup; Figure 1

[0019] Figure 4 It is a top view of the mounting seat and the top rod connection of the mold structure of the utility model of a silica gel cloth hot pressing forming bra cup.

[0020] In the drawing: 1, first hydraulic cylinder; 2, fixed frame; 3, upper convex die; 4, heater; 5, lower concave die; 6, processing table; 7, vacuum pump; 8, adsorption pipe; 9, ejector rod; 10, mounting frame; 11, second hydraulic cylinder; 12, intercepting net; 13, auxiliary material cloth; 14, pipe body; 15, sealing ring; 16, mounting seat.​ DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a mould structure of silica gel cloth hot press forming bra cup, including processing platform 6, the top of processing platform 6 is provided with lower female die 5, the top side fixedly connected with fixed frame 2 of processing platform 6, the top fixedly connected with first hydraulic cylinder 1 of fixed frame 2, this structure realizes the opening and closing of upper male die 3 and lower female die 5 through first hydraulic cylinder 1 and pushes upper male die 3 and automatically lifts, the lower end of first hydraulic cylinder 1 is connected with the top of upper male die 3, and heater 4 is installed in the inside of upper male die 3 and lower female die 5, the inside of the upper male die 3 and lower female die 5 of this structure is also provided with cooling waterway, is used for accelerating the cooling forming of product, the device also installs the equipment required for mould production in the use process, this part is prior art, so here does not carry out too much repetition, heater 4 can heat and compound auxiliary cloth 13 and liquid silicone rubber, the bottom side fixedly connected with mounting bracket 10 of processing platform 6, mounting bracket 10 bottom is installed with second hydraulic cylinder 11, the outer wall of second hydraulic cylinder 11 of this structure is fixedly connected with mounting bracket 10 through support, and mounting bracket 10 top is provided with top rod 9, and the section of top rod 9 is " E " shape structure, and the bottom of top rod 9 is fixedly connected with the top end of second hydraulic cylinder 11, this structure can push top rod 9 and automatically lift through second hydraulic cylinder 11, upper male die 3 is arranged at the top of lower female die 5, and auxiliary cloth 13 is laid in the inner wall of lower female die 5, and a plurality of pipe bodies 14 are inserted in lower female die 5, and the plurality of pipe bodies 14 are about the edge of lower female die 5 and the central position of lower female die 5, and the top of pipe body 14 corresponds with the edge and central position of auxiliary cloth 13, and the bottom of pipe body 14 is integrally connected with mounting seat 16, and mounting seat 16 is fixedly connected with the bottom of processing platform 6, the position of pipe body 14 of this structure can be customized and produced in the actual application process according to the position of the edge shape of auxiliary cloth 13, to ensure the adsorption effect of auxiliary cloth 13, the inner wall of pipe body 14 is provided with intercepting net 12, and intercepting net 12 bottom is fixedly connected with top rod 9, and auxiliary cloth 13 bottom is attached on intercepting net 12, and adsorption pipe 8 is inserted in the inside of pipe body 14, and adsorption pipe 8 is provided with electromagnetic valve, and top rod 9 and intercepting net 12 are slidably connected with pipe body 14, this structure adsorption pipe 8 can guarantee that adsorption pipe 8 does not leak in the process of negative pressure through electromagnetic valve, and electromagnetic valve can also control the exhaust of adsorption pipe 8, and top rod 9 can drive intercepting net 12 to lift simultaneously in the process of lifting, and when intercepting net 12 is lifted, can push auxiliary cloth 13 and the finished product of silicone rubber compound and lower female die 5 separate, and adsorption pipe 8 is located at the bottom side of intercepting net 12, and top rod 9 outer wall is fixedly connected with sealing ring 15, and processing platform 6 bottom side is fixedly connected with vacuum pump 7, and one end of adsorption pipe 8 penetrates sealing ring 15 and is connected with vacuum pump 7, the position of adsorption pipe 8 top of the device is higher than the position of sealing ring 15, so that the top of pipe body 14 does not appear the phenomenon of air leakage in the sliding process of sealing ring 15 and top rod 9, and the inside of pipe body 14 also does not appear the phenomenon of air leakage in the sliding process of top rod 9 through sealing ring 15, the equipment of the device can be controlled through PLC.

[0023] Working principle: when using the mold structure of the silica gel cloth hot press forming bra cup, first lay the auxiliary material cloth 13 flat to the inside of the lower concave mold 5 and start the vacuum pump 7, make the top of the pipe body 14 produce suction force and adhere the auxiliary material cloth 13 to the interception net 12, after fixing the auxiliary material cloth 13, add silica rubber material to the auxiliary material cloth 13, at the same time heat the lower concave mold 5 and the upper convex mold 3, the upper convex mold 3 goes down and combines with the lower concave mold 5 and carries out pressurization, finally complete the forming after cooling, the product is formed, the upper convex mold 3 moves upward and resets, the suction pipe 8 opens the exhaust, then the second hydraulic cylinder 11 pushes the ejector rod 9 and the interception net 12, makes the interception net 12 push the silica gel cloth bra cup product and separate from the lower concave mold 5, finally take out the silica gel cloth bra cup product.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A mold structure for hot-press forming of a silicone cloth bra cup, comprising a processing table (6), a lower concave die (5) is arranged at the top of the processing table (6), characterized in that: The top of the lower concave die (5) is provided with an upper convex die (3), the inner wall of the lower concave die (5) is paved with an auxiliary material cloth (13), a plurality of pipe bodies (14) are inserted in the lower concave die (5), the inner wall of the pipe body (14) is provided with an intercepting net (12), the bottom of the intercepting net (12) is fixedly connected with a jacking rod (9), the bottom of the auxiliary material cloth (13) is attached to the intercepting net (12), the inside of the pipe body (14) is inserted with a suction tube (8), the suction tube (8) is located at the bottom side of the intercepting net (12), the outer wall of the jacking rod (9) is fixedly connected with a sealing ring (15), the bottom side of the processing table (6) is fixedly connected with a vacuum pump (7), one end of the suction tube (8) penetrates through the sealing ring (15) and is connected with the vacuum pump (7).

2. The mold structure for hot press forming of a silicone cloth bra cup according to claim 1, characterized in that: The top side of the processing table (6) is fixedly connected with a fixing frame (2), and the top of the fixing frame (2) is fixedly connected with a first hydraulic cylinder (1).

3. The mold structure for hot press forming of a silicone fabric bra cup according to claim 2, characterized in that: The lower end of the first hydraulic cylinder (1) is connected with the top of the upper convex die (3), and the inside of the upper convex die (3) and the lower concave die (5) is provided with a heater (4).

4. The mold structure for hot press forming of a silicone cloth bra cup according to claim 1, characterized in that: The bottom side of the processing table (6) is fixedly connected with a mounting frame (10), and the bottom of the mounting frame (10) is provided with a second hydraulic cylinder (11).

5. The mold structure for hot press forming of a silicone cloth bra cup according to claim 4, characterized in that: The top of the mounting frame (10) is provided with a jacking rod (9), the jacking rod (9) is in an "E" shape structure, and the bottom of the jacking rod (9) is fixedly connected with the top end of the second hydraulic cylinder (11).

6. The mold structure for hot press forming of a silicone cloth bra cup according to claim 1, characterized in that: A plurality of pipe bodies (14) are arranged about the edge of the lower concave die (5) and the center position of the lower concave die (5), the top of the pipe body (14) corresponds to the edge and the center position of the auxiliary material cloth (13), the bottom of the pipe body (14) is integrally connected with a mounting seat (16), and the mounting seat (16) is fixedly connected with the bottom of the processing table (6).

7. The mold structure for hot press forming of a silicone cloth bra cup according to claim 1, characterized in that: The suction tube (8) is provided with a solenoid valve, and the jacking rod (9) and the intercepting net (12) are slidably connected with the pipe body (14).

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