Automatic demolding structure of automobile rubber product forming mold

Abstract

The utility model provides an automatic demoulding structure of an automobile rubber product forming mould, which comprises a bottom plate and a cover plate, a plurality of rows of equidistantly distributed mounting grooves are arranged on opposite sides of the bottom plate and the cover plate, modules are respectively clamped and connected in the mounting grooves, one side of each module is provided with an annular forming groove, the side wall of the bottom plate is connected with an air inlet pipe, and the air inlet pipe is connected with an air outlet pipe. Air guide grooves distributed in a net shape are formed in the bottom plate, connecting holes are formed in the centers of the interiors of the multiple mounting grooves, the multiple connecting holes are connected with the air guide grooves, connecting pipes are installed at the centers of one sides of the multiple modules correspondingly, and multiple sliding sleeves distributed in an annular shape are arranged at the edges of the interiors of the multiple modules correspondingly; the sliding sleeves are slidably connected with the interior of the module through reset springs, a plurality of third spraying holes are formed in the side walls of the sliding sleeves, and one ends of the multiple sliding sleeves extend to one side of the forming groove. And finished products can be quickly demolded, the safety efficiency is high, and meanwhile follow-up maintenance is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of rubber product demolding technology, specifically relating to an automatic demolding structure for automotive rubber product molding molds. Background Art

[0002] Rubber products refer to the activities of producing various rubber products using natural and synthetic rubber as raw materials. It also includes rubber products produced by recycling waste rubber. Nowadays, most rubber products need to be poured into a mold to obtain the required shape before molding. Alternatively, rubber raw materials can be heated and extruded on a mold to form the desired shape.

[0003] In the production of rubber rings used in automobiles, rubber raw materials need to be heated and extruded into shape using molds. However, traditional molds are all integral, which are inconvenient to repair when damaged, and require replacement of the entire mold, resulting in high maintenance costs. In addition, after the rubber products are formed, they are mostly demolded by manual pulling, which is time-consuming and labor-intensive. Furthermore, operating at the bottom of the equipment poses safety hazards. Uneven pulling force can also easily cause damage to the finished product, reducing the quality of production. Summary of the Invention

[0004] The purpose of this invention is to provide an automatic demolding structure for automotive rubber product molding dies to solve the above problems. This structure can quickly demold the finished product, is highly efficient, has a high safety factor, and facilitates subsequent maintenance, thus reducing maintenance costs.

[0005] This utility model achieves the above objectives through the following technical solutions;

[0006] An automatic demolding structure for automotive rubber product molding molds includes a base plate on which a molding mechanism is mounted.

[0007] The forming mechanism includes a cover plate, and the bottom plate is provided with a cover plate on top. The bottom plate and the cover plate are provided with multiple rows of equally spaced mounting grooves on opposite sides. Modules are respectively engaged and connected inside the mounting grooves. Multiple modules are provided with annular forming grooves on one side. The modules on the bottom plate and the cover plate are symmetrically distributed.

[0008] The module is equipped with a demolding mechanism 3, which includes an air inlet pipe. The bottom plate sidewall is connected to the air inlet pipe. The bottom plate has a mesh-distributed air guide groove inside. Multiple mounting grooves have a connecting hole at their center. Multiple connecting holes are connected to the air guide grooves. Multiple modules have connecting pipes installed at their center on one side. The connecting pipes engage with the connecting holes inside.

[0009] As a preferred embodiment, multiple sliding sleeves arranged in a ring are provided at the inner edges of the multiple modules, and the sliding sleeves are slidably connected to the inside of the modules through a return spring.

[0010] As a preferred embodiment, the sidewall of the sliding sleeve is provided with a plurality of third spray holes, one end of the plurality of sliding sleeves extends to one side of the molding groove, and the other end of the plurality of sliding sleeves extends to one end of the connecting groove.

[0011] As a preferred embodiment, four guide rods are vertically connected to the other side of the module, and four guide grooves are provided on the bottom side of the mounting groove. The guide rods are slidably connected to the inside of the guide grooves.

[0012] As a preferred embodiment, the mounting groove is provided with grooves at the center lines of the four sides, and the module is provided with protrusions at the center lines of the four sides. One end of the protrusion is slidably connected to the inside of the module through a contact spring, and the other end of the protrusion is a hemispherical structure that abuts against the inside of the groove.

[0013] As a preferred embodiment, the connecting pipe is made of rubber, and both the connecting pipe and the connecting hole are frustum-shaped structures.

[0014] As a preferred embodiment, the module is slidably connected to a plurality of top plates arranged in a ring. One side of the top plate has an arc-shaped structure and extends to one side of the forming groove. The plurality of sliding sleeves are respectively connected to the top plate.

[0015] As a preferred embodiment, each of the multiple top plates is provided with a first spray hole, the two ends of the first spray hole extending to the outer sides of both ends of the top plate, and the center of the first spray hole communicating with the inside of the sliding sleeve.

[0016] As a preferred embodiment, the multiple top plates are provided with multiple second spray holes, the two ends of the multiple second spray holes extend to the outside of the two sides of the top plate respectively, the second spray holes are distributed perpendicularly to the first spray holes, the diameter of the second spray holes is smaller than the diameter of the first spray holes, and the multiple second spray holes are cross-connected with the first spray holes.

[0017] As a preferred embodiment, a sealing ring is installed at one end of the sliding sleeve. The diameter of the sealing ring is equal to that of the sliding sleeve, and the sealing ring is slidably connected to the inside of the module.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This invention allows for the installation of multiple modules through the mounting of a base plate and a cover plate. The engagement of multiple modules with the base cover plate facilitates subsequent disassembly and maintenance, reducing costs. After molding, the top cover is opened, and under the control of an external controller, gas enters the air guide groove through the air inlet pipe. The mesh arrangement of the air guide groove allows the gas to enter the connecting pipe through multiple connecting holes, thus allowing the gas to enter the connecting groove inside the module. When the gas reaches a certain pressure, it drives the sliding sleeve. Since the third spray hole on the side wall of the sliding sleeve is blocked by the inner wall of the module, the sliding sleeve is freed from the elastic force of the return spring and slides out. The sliding sleeve resists the molded finished product for demolding. At the same time, the third spray hole on the side wall of the sliding sleeve leaks out, and the gas blows away some of the adhered finished product under the action of air pressure. When there is no air pressure, the sliding sleeve returns to its original position under the resistance of the resistance spring, which facilitates the subsequent molding of rubber products. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the connection structure between the cover plate and the base plate of this utility model;

[0022] Figure 3 This is an exploded structural diagram of the module and base plate of this utility model;

[0023] Figure 4 This is a schematic diagram of the connection structure between the guide rod and the module of this utility model;

[0024] Figure 5 This is a schematic diagram of the connection structure between the top plate and the module of this utility model;

[0025] Figure 6 This is a schematic diagram of the connection structure between the top plate and the sliding sleeve of this utility model;

[0026] Figure 7 This is a schematic diagram of the connection structure between the first spray hole, the second spray hole and the top plate of this utility model.

[0027] The figure shows: 1. Base plate; 2. Molding mechanism; 201. Cover plate; 202. Handle; 203. Module; 204. Mounting groove; 205. Guide groove; 206. Groove; 207. Molding groove; 208. Protrusion; 209. Guide rod; 210. Abutment spring; 3. Demolding mechanism; 301. Air inlet pipe; 302. Air guide groove; 303. Connecting hole; 304. Connecting pipe; 305. Top plate; 306. Connecting groove; 307. Sliding sleeve; 308. Sealing ring; 309. Return spring; 310. First spray hole; 311. Second spray hole; 312. Third spray hole. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Please see Figures 1 to 5 As shown, this utility model embodiment provides an automatic demolding structure for automotive rubber product molding dies, specifically including a base plate 1, on which a molding mechanism 2 is mounted. The molding mechanism 2 includes a cover plate 201, with the cover plate 201 at the top of the base plate 1. Multiple rows of equidistant mounting grooves 204 are provided on opposite sides of the base plate 1 and the cover plate 201. Modules 203 are respectively engaged and connected inside the mounting grooves 204. A ring-shaped molding groove 207 is provided on one side of each module 203. Specifically, the modules 203 on the base plate 1 and the cover plate 201 are symmetrically distributed. The modules 203 and the mounting grooves 204 are square structures, and the bottom corners of the modules 203 and the mounting grooves 204 are rhomboid structures. This facilitates stable engagement between the modules 203 and the mounting grooves 204, increases the limiting contact area, and reduces loosening and wear. A handle 202 is installed on one side of the base plate 1 and the cover plate 201 respectively. The handle 202 has a U-shaped structure. By installing the handle 202, the base plate 1 and the cover plate 201 can be held, which facilitates subsequent moving and disassembly.

[0030] Please see Figures 1 to 5 As shown, four guide rods 209 are vertically connected to the other side of module 203, and four guide grooves 205 are provided on the bottom side of the mounting groove 204. The guide rods 209 are slidably connected to the guide grooves 205. Through the cooperation of the guide rods 209 and the guide grooves 205, the module 203 is stably engaged inside the mounting groove 204, and it also serves as a guide for assembly and disassembly. Grooves 206 are provided at the center lines of the four sides of the mounting groove 204, and protrusions 208 are installed at the center lines of the four sides of the module 203. One end of the protrusion 208 is slidably connected to the inside of the module 203 through a contact spring 210. The other end of the protrusion 208 is a hemispherical structure. The other end of the protrusion 208 abuts against the inside of the groove 206. When the module 203 is engaged with the mounting groove 204 through the opening of the groove 206, the protrusion 208 abuts against the groove 206 with the cooperation of the abutment spring 210, which plays the role of limiting and preventing slippage. By pulling the module 203, the protrusion 208 abuts against the groove 206 and retracts, realizing the disassembly and maintenance of the module 203.

[0031] Specifically, in this embodiment, multiple modules 203 are first engaged with the mounting grooves 204 on the base plate 1 and the cover plate 201. With the cooperation of the protrusions 208 and the grooves 206, the modules 203 are stably installed. The detachable installation of multiple modules 203 with the base cover plate 201 facilitates subsequent disassembly and maintenance and reduces costs. Then, the base plate 1 and the cover plate 201 are installed with the external extrusion equipment. By placing raw materials inside the molding groove 207, the rubber product is formed under the heating and extrusion of the equipment.

[0032] Please see Figures 1 to 5 As shown, a demolding mechanism 3 is installed on module 203. The demolding mechanism 3 includes an air inlet pipe 301. The air inlet pipe 301 is connected to the side wall of the base plate 1. The base plate 1 has mesh-distributed air guide grooves 302 inside. Multiple mounting grooves 204 have connecting holes 303 at their centers, and the multiple connecting holes 303 are connected to the air guide grooves 302. Connecting pipes 304 are installed at the center of one side of multiple modules 203, and the connecting pipes 304 are engaged with the connecting holes 303 inside. The module 203 has a "rice"-shaped connecting groove 306 inside. Multiple sliding sleeves 307 are arranged in a ring at the inner edge of multiple modules 203. The sliding sleeves 307 are slidably connected to the inside of the module 203 by a return spring 309. Multiple third spray holes 312 are provided on the side wall of the sliding sleeves 307. One end of the multiple sliding sleeves 307 extends to one side of the molding groove 207, and the other end of the multiple sliding sleeves 307 extends to one end of the connecting groove 306. The connecting tube 304 is made of rubber, and both the connecting tube 304 and the connecting hole 303 are frustum-shaped structures. This allows the connecting tube 304 to be smoothly inserted into the connecting hole 303, and the connection is tight and has good sealing performance after insertion.

[0033] Please see Figures 1 to 7 As shown, multiple annularly distributed top plates 305 are slidably connected to module 203. One side of each top plate 305 has an arc-shaped structure and extends to one side of the forming groove 207. Multiple sliding sleeves 307 are connected to the top plates 305 respectively. Through the installation of the multiple top plates 305, driven by the sliding sleeves 307, the top plates 305 can push against and demold the finished product inside the forming groove 207, increasing the contact area and improving the demolding effect. Each of the multiple top plates 305 has a first spray hole 310 inside. The two ends of the first spray hole 310 extend to the outer sides of both ends of the top plate 305, and the center of the first spray hole 310 communicates with the inside of the sliding sleeve 307. The opening of the first spray hole 310 allows gas to be ejected after the sliding sleeve 307 and the top plate 305 slide out, which is conducive to blowing off and demolding the finished product.

[0034] Please see Figures 1 to 7As shown, multiple top plates 305 have multiple second spray holes 311 inside. The two ends of each second spray hole 311 extend to the outer sides of both sides of the top plate 305. The second spray holes 311 are perpendicular to the first spray holes 310, and their diameters are smaller than those of the first spray holes 310. The multiple second spray holes 311 intersect with the first spray holes 310. The presence of multiple second spray holes 311 increases the gas ejection range, resulting in better demolding. A sealing ring 308 is installed at one end of the sliding sleeve 307. The sealing ring 308 has the same diameter as the sliding sleeve 307 and is slidably connected to the inside of the module 203. The installation of the sealing ring 308 ensures good sealing between the sidewall of the sliding sleeve 307 and the module 203, allowing the gas to effectively drive the sliding sleeve 307 to slide.

[0035] During use, after molding is completed, under the control of an external controller, gas enters the air guide groove 302 through the air inlet pipe 301. The air guide groove 302, with its mesh arrangement, allows the gas to enter the connecting pipe 304 through multiple connecting holes 303, thus allowing the gas to enter the connecting groove 306 inside the module 203. Once the gas reaches a certain pressure, it drives the sliding sleeve 307. Because the third spray hole 312 on the side wall of the sliding sleeve 307 is blocked by the inner wall of the module 203, the sliding sleeve 307 is freed from the spring of the return spring 309. As the sliding sleeve 307 slides out, it drives the top plate 305 to push against the molded finished product for demolding. At the same time, the third spray hole 312 on the side wall of the sliding sleeve 307 is exposed, and the first spray hole 310 and the second spray hole 311 on the top plate 305 exhaust gas, so that a large amount of gas blows away some of the attached finished product. Under the action of air pressure, the finished product is blown away smoothly. When there is no air pressure, the sliding sleeve 307 is reset under the resistance of the resistance spring 210, and the top plate 305 and the side wall of the molding groove 207 remain horizontally stored, which facilitates the seamless molding of subsequent rubber products.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0037] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An automatic demolding structure for automotive rubber product molding molds, comprising a base plate (1), characterized in that: A forming mechanism (2) is installed on the base plate (1); The forming mechanism (2) includes a cover plate (201). The top of the base plate (1) is provided with a cover plate (201). The base plate (1) and the cover plate (201) are provided with multiple rows of equally spaced mounting grooves (204) on opposite sides. Modules (203) are respectively engaged and connected inside the mounting grooves (204). A ring-shaped forming groove (207) is provided on one side of each of the multiple modules (203). The modules (203) on the base plate (1) and the cover plate (201) are symmetrically distributed. The module (203) is equipped with a demolding mechanism (3), which includes an air inlet pipe (301). The side wall of the base plate (1) is connected to the air inlet pipe (301). The base plate (1) has mesh-distributed air guide grooves (302) inside. Multiple mounting slots (204) have connecting holes (303) at their centers. The multiple connecting holes (303) are connected to the air guide grooves (302). Multiple modules (203) are respectively equipped with connecting pipes (304) at the center of one side. The connecting pipes (304) engage with the connecting holes (303).

2. The automatic demolding structure for automotive rubber product molding dies according to claim 1, characterized in that: Multiple sliding sleeves (307) arranged in a ring are provided at the inner edge of the multiple modules (203), and the sliding sleeves (307) are slidably connected to the inside of the modules (203) through a return spring (309).

3. The automatic demolding structure for automotive rubber product molding dies according to claim 2, characterized in that: The sidewall of the sliding sleeve (307) is provided with a plurality of third spray holes (312), one end of the plurality of sliding sleeves (307) extends to one side of the forming groove (207), and the other end of the plurality of sliding sleeves (307) extends to one end of the connecting groove (306).

4. The automatic demolding structure for automotive rubber product molding dies according to claim 1, characterized in that: The module (203) is vertically connected to four guide rods (209) on the other side, and the mounting groove (204) is provided with four guide grooves (205) on the bottom side. The guide rods (209) are slidably connected to the guide grooves (205).

5. The automatic demolding structure for automotive rubber product molding dies according to claim 1, characterized in that: The mounting groove (204) has grooves (206) at the center lines of its four sides, and the module (203) has protrusions (208) at the center lines of its four sides. One end of the protrusion (208) is slidably connected to the inside of the module (203) through a contact spring (210), and the other end of the protrusion (208) is a hemispherical structure. The other end of the protrusion (208) abuts against the inside of the groove (206).

6. The automatic demolding structure for automotive rubber product molding dies according to claim 1, characterized in that: The connecting pipe (304) is made of rubber, and both the connecting pipe (304) and the connecting hole (303) are frustum-shaped structures.

7. The automatic demolding structure for automotive rubber product molding dies according to claim 2, characterized in that: The module (203) is slidably connected to a plurality of top plates (305) arranged in a ring. One side of the top plate (305) is an arc-shaped structure and one side of the top plate (305) extends to one side of the forming groove (207). The plurality of sliding sleeves (307) are respectively connected to the top plate (305).

8. The automatic demolding structure for automotive rubber product molding dies according to claim 7, characterized in that: Each of the multiple top plates (305) is provided with a first spray hole (310), the two ends of the first spray hole (310) extend to the outer sides of both ends of the top plate (305), and the center of the first spray hole (310) communicates with the inside of the sliding sleeve (307).

9. The automatic demolding structure for automotive rubber product molding dies according to claim 8, characterized in that: The multiple top plates (305) are provided with multiple second spray holes (311) inside. The two ends of the multiple second spray holes (311) extend to the outside of both sides of the top plate (305). The second spray holes (311) are perpendicular to the first spray holes (310). The diameter of the second spray holes (311) is smaller than the diameter of the first spray holes (310). The multiple second spray holes (311) are cross-connected with the first spray holes (310).

10. The automatic demolding structure for automotive rubber product molding dies according to claim 9, characterized in that: A sealing ring (308) is installed at one end of the sliding sleeve (307). The sealing ring (308) has the same diameter as the sliding sleeve (307). The sealing ring (308) is slidably connected to the inside of the module (203).

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