Eraser extrusion molding, stamping and carving forming device

By introducing a demolding mechanism into the engraving and molding device, and utilizing a combination of an eccentric turntable and a spring, the problem of difficult separation after rubber molding is solved, achieving fast and accurate demolding and efficient rubber processing.

CN224028193UActive Publication Date: 2026-03-24LUO HE SHI SAN YE WEN HUA YONG PIN YOU XIAN ZE REN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, rubber is difficult to separate quickly and accurately from the mold cavity after being sculpted, and it is easy to stick or get stuck, resulting in inconvenience in demolding and affecting processing efficiency and quality.

Method used

The demolding mechanism consists of an eccentric turntable, a movable rod, and a spring combination. The rotation of the eccentric turntable drives the reciprocating motion of the movable rod and the ejector block. Combined with the elasticity of the spring, the rubber is ejected quickly. At the same time, a combination of positive and negative screws and a limiting rod is used to ensure that the rubber does not easily shift during the engraving process.

Benefits of technology

It enables rapid separation of the rubber from the mold cavity, avoids adhesion, improves demolding efficiency and molding quality, and ensures the accuracy and efficiency of processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rubber forming, in particular to a rubber extrusion molding, stamping and carving forming device which comprises a table body, the table body comprises a forming table, a conveying belt is arranged on the surface of the forming table, a connecting rod is fixedly connected to the surface of the forming table, and a fixing seat is fixedly connected to the end, away from the forming table, of the connecting rod. The eccentric rotating disc is driven by the rotating rod to rotate, so that the eccentric rotating disc can extrude the movable rod in the rotating process, the ejector block moves under the action of the movable rod, and the movable rod can drive the ejector block to reciprocate in cooperation with the elastic property of the spring; and the rubber formed in the mold cavity can be conveniently ejected out through movement of the ejection block, the rubber and the mold cavity can be conveniently and rapidly separated, the situation that the rubber and the mold cavity adhere to each other or are clamped in the mold cavity, and consequently the rubber is difficult to fall off can be avoided, rubber demolding is more convenient, and the rubber forming machining efficiency can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rubber forming technical field, concretely is a rubber extrusion stamping engraving forming device. BACKGROUND

[0002] Rubber is a kind of erasable article made of natural or synthetic rubber, used to erase the traces of pencil writing. It is usually made of synthetic rubber, plasticizer, filler and other materials. When processing rubber, in order to accurately process rubber into the required shape and size, meet different application requirements, usually the engraving forming device will be used. Engraving forming device is a kind of mechanical equipment for processing materials, which shapes the materials into the required shape and pattern through specific mold and pressure. Through extrusion stamping of rubber by engraving forming device, it can efficiently produce rubber products with consistent shape and accurate size, which can meet the specific use requirements, such as drawing / painting special rubber, etc.

[0003] In the prior art, when producing and processing rubber by engraving forming device, pressure is usually applied to make rubber press into the mold, so as to realize the molding and engraving of rubber under the texture effect of mold and its surface. Because the rubber cannot be well pushed out from the mold cavity after molding, the rubber is easy to be stuck in the mold cavity or to be adhered to the mold cavity, and then it is not convenient to quickly and accurately separate the rubber from the mold cavity, so that the demolding of rubber is not convenient and fast. Therefore, in order to solve the above problems, a rubber extrusion stamping engraving forming device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rubber extrusion stamping engraving forming device to solve the problem that the rubber cannot be well pushed out from the mold cavity after molding, the rubber is easy to be stuck in the mold cavity or to be adhered to the mold cavity, and then it is not convenient to quickly and accurately separate the rubber from the mold cavity, so that the demolding of rubber is not convenient and fast.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a rubber extrusion stamping engraving forming device, comprising a table body, the table body comprises a forming table, the surface of the forming table is provided with a conveyor belt, the surface of the forming table is fixedly connected with a connecting rod, one end of the connecting rod away from the forming table is fixedly connected with a fixed seat, the surface of the forming table is fixedly installed with a telescopic cylinder, the output end of the telescopic cylinder is fixedly connected with a moving seat, the moving seat and the connecting rod are movably connected, the inner surface of the fixed seat is fixedly connected with a mold cavity;

[0006] The surface of the fixing base is provided with a demolding mechanism, the demolding mechanism comprises a movable rod, the movable rod is movably arranged on the inner side of the fixing base and the mold cavity, the surface of the movable rod is fixedly connected with a top block, the surface of the fixing base is fixedly connected with a fixed plate, the inner side of the fixed plate is movably connected with a rotating rod, the top end of the rotating rod is fixedly connected with an eccentric turntable, and the lower surface of the fixed plate is fixedly installed with a motor.

[0007] Preferably, the demolding mechanism further comprises a connecting block, the connecting block is fixedly connected to the surface of the movable rod, the surface of the connecting block is fixedly connected with a spring, and the surface of the fixing base is fixedly connected with a fixed rod.

[0008] Preferably, the top block is movably arranged on the inner side of the mold cavity, and the end, away from the eccentric turntable, of the rotating rod is fixedly connected with the output end of the motor.

[0009] Preferably, one end of the spring is fixedly connected with the fixing base, the other end of the spring is fixedly connected with the connecting block, and the connecting block is movably connected with the fixed rod.

[0010] Preferably, the inner side of the fixing base is provided with a limiting mechanism, the limiting mechanism comprises a movable groove, the movable groove is arranged on the inner side of the fixing base, the inner side of the movable groove is movably connected with a reversible screw rod, the surface of the reversible screw rod is threadedly connected with a moving block, the surface of the moving block is fixedly connected with a limiting rod, the inner side of the moving block is provided with a limiting groove, and the inner wall of the movable groove is fixedly connected with a fixed block.

[0011] Preferably, the moving block is movably connected with the reversible screw rod in two groups, the moving block is movably arranged on the inner side of the movable groove, and the limiting groove is movably connected with the fixed block.

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

[0013] 1、Through the rotating rod drives the eccentric turntable to rotate, so that the eccentric turntable can extrude the movable rod in the process of rotation, and realizes that the top block moves under the action of the movable rod, cooperates the elastic property of spring, so that the movable rod can drive the top block to reciprocate, and then the top block is moved to realize that the rubber in the mold cavity is knocked out, the rubber and the mold cavity are separated quickly, the rubber and the mold cavity can be avoided to be adhered or stuck in the mold cavity and be difficult to knock out, the demolding of the rubber is more convenient, and the efficiency of the rubber forming processing can be improved.

[0014] 2, by rotating the positive and negative screw, the moving block can move under the action of the positive and negative screw, and then the limiting rod can move, through the movement of the limiting rod, the rubber can be limited, and then when the rubber is carved into a shape, the rubber is not easy to displace, so that the rubber can be better pressed into the mold cavity in the process of stamping, so that the forming effect of the rubber is better, which is helpful to guarantee the processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural front view schematic diagram of the utility model;

[0016] Figure 2 It is a structural side view explosion schematic diagram of the utility model;

[0017] Figure 3 It is a structural rear view cross-sectional explosion schematic diagram of the mold cavity and the top block of the utility model;

[0018] Figure 4 It is a structural side view cross-sectional explosion schematic diagram of the positive and negative screw and the limiting rod of the utility model.

[0019] In the drawing: 1, forming table; 11, conveying belt; 12, connecting rod; 13, fixed seat; 14, telescopic cylinder; 15, moving seat; 16, mold cavity; 2, movable rod; 21, top block; 22, fixed plate; 23, rotating rod; 24, eccentric turntable; 25, motor; 26, connecting block; 27, spring; 28, fixed rod; 3, movable groove; 31, positive and negative screw; 32, moving block; 33, limiting rod; 34, limiting groove; 35, fixed block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0022] The telescopic cylinder 14 and the motor 25 used in the application are products that can be directly purchased in the market, and their principles and connection modes are all prior art known to those skilled in the art, so they will not be described here.

[0023] The utility model provides an rubber extrusion punch press engraving forming device, including the table body, the table body includes the forming table 1, the surface of forming table 1 is provided with the conveyer belt 11, the surface of forming table 1 is fixedly connected with connecting rod 12, the one end of connecting rod 12 away from forming table 1 is fixedly connected with fixed seat 13, the surface of forming table 1 is fixedly installed with telescopic cylinder 14, the output of telescopic cylinder 14 is fixedly connected with moving seat 15, moving seat 15 and connecting rod 12 are connected, the inner surface of fixed seat 13 is fixedly connected with mould cavity 16, through the setting of conveyer belt 11, can be transported to rubber, through the extension of telescopic cylinder 14, the movable seat 15 can be realized on the surface of connecting rod 12, and then the punch press of rubber is realized, and the rubber is pressed into mould cavity 16, and the surface of movable seat 15 is provided with the texture and pattern of engraving rubber, so that the forming and engraving of rubber can be realized in the process of punch press,

[0024] The surface of fixed seat 13 is provided with demolding mechanism, the demolding mechanism includes movable rod 2, movable rod 2 moves in the inner side of fixed seat 13 and mould cavity 16, the surface of movable rod 2 is fixedly connected with top block 21, the surface of fixed seat 13 is fixedly connected with fixed plate 22, the inner side of fixed plate 22 is movably connected with rotating rod 23, the top of rotating rod 23 is fixedly connected with eccentric turntable 24, the lower surface of fixed plate 22 is fixedly installed with motor 25, through the setting of top block 21, when movable rod 2 drives top block 21 to move, the demolding of top block 21 to rubber can be realized, so that the rubber can be avoided and stuck in mould cavity 16 and lead to not easy to demould, so as to be favorable to the efficiency of rubber forming processing.

[0025] Further, the demolding mechanism further includes connecting block 26, connecting block 26 is fixedly connected on the surface of movable rod 2, the surface of connecting block 26 is fixedly connected with spring 27, the surface of fixed seat 13 is fixedly connected with fixed rod 28, through the elastic property of spring 27, when the extrusion of movable rod 2 is cancelled in the process of rotation of eccentric turntable 24, connecting block 26 can make movable rod 2 drive top block 21 reset under the action of spring 27, and then the demolding of top block 21 to subsequent rubber is facilitated.

[0026] Further, top block 21 moves in the inner side of mould cavity 16, the output of motor 25 and the one end of rotating rod 23 away from eccentric turntable 24 are fixedly connected, through the rotation of eccentric turntable 24, the extrusion of movable rod 2 can be realized, and then top block 21 will move under the action of movable rod 2, and the molded rubber is conveniently ejected from fixed seat 13, so as to facilitate the demolding of rubber.

[0027] Further, one end of the spring 27 is fixedly connected with the fixed seat 13, the other end of the spring 27 is fixedly connected with the connecting block 26, the connecting block 26 is movably connected with the fixed rod 28, through the setting of the fixed rod 28, the limiting of the connecting block 26 can be realized, and then the movable rod 2 can move more stably under the extrusion of the eccentric turntable 24.

[0028] Further, the inner side of the fixed seat 13 is provided with a limiting mechanism, the limiting mechanism comprises a movable slot 3, the movable slot 3 is arranged on the inner side of the fixed seat 13, a reversible screw rod 31 is movably connected with the inner side of the movable slot 3, a moving block 32 is threadedly connected with the surface of the reversible screw rod 31, a limiting rod 33 is fixedly connected with the surface of the moving block 32, a limiting slot 34 is arranged on the inner side of the moving block 32, and a fixed block 35 is fixedly connected with the inner wall of the movable slot 3, through the rotation of the reversible screw rod 31, the moving block 32 can drive the limiting rod 33 to move, and then the two sides of the rubber can be limited by the limiting rod 33, so that the offset of the rubber can be avoided, and then the stamping effect can be guaranteed, so that the forming quality of the rubber is improved.

[0029] Further, the moving block 32 is movably connected with the reversible screw rod 31 in two groups, the moving block 32 moves in the inner side of the movable slot 3, and the limiting slot 34 is movably connected with the fixed block 35, through the arrangement of the limiting slot 34 and the fixed block 35, the movement of the moving block 32 in the movable slot 3 can be limited, so that the moving block 32 can avoid offsetting under the action of the reversible screw rod 31, and the moving block 32 can drive the limiting rod 33 to move stably.

[0030] Working principle: in use, the motor 25 is electrically connected by an external power supply, the staff starts the motor 25 by pressing the switch, the motor 25 rotates to drive the rotating rod 23 to rotate, the eccentric turntable 24 rotates under the action of the rotating rod 23, the movable rod 2 is extruded by the rotation of the eccentric turntable 24, the movable rod 2 is driven to move, and then the connecting block 26 moves on the surface of the fixed rod 28, at this time, the spring 27 is in a contraction state, the top block 21 moves in the mold cavity 16, and the formed rubber can be pushed out, when the eccentric turntable 24 cancels the extrusion on the movable rod 2 in the process of rotating, the connecting block 26 resets under the rebounding action of the spring 27, and then the movable rod 2 drives the top block 21 to reset, so that the top block 21 can move reciprocatingly through the cooperation of the eccentric turntable 24 and the spring 27, and the rubber is demolded.

[0031] The reversible screw rod 31 is rotated, the moving block 32 is limited by the limiting slot 34 and the fixed block 35, and moves in the movable slot 3 under the action of the reversible screw rod 31, and then the moving block 32 moves on the surface of the fixed block 35, so that the limiting rod 33 moves, and the rubber can be limited.

[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application can be made by any skilled person in the art, and all of them are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A rubber extrusion stamping and engraving forming device, comprising a platform, the platform comprising a forming platform (1), the surface of the forming platform (1) being provided with a conveyor belt (11), a connecting rod (12) being fixedly connected to the surface of the forming platform (1), a fixed seat (13) being fixedly connected to one end of the connecting rod (12) away from the forming platform (1), a telescopic cylinder (14) being fixedly installed on the surface of the forming platform (1), a movable seat (15) being fixedly connected to the output end of the telescopic cylinder (14), the movable seat (15) and the connecting rod (12) being movably connected, and a mold cavity (16) being fixedly connected to the inner surface of the fixed seat (13); Its features are, The surface of the fixed base (13) is provided with a demolding mechanism, which includes a movable rod (2). The movable rod (2) moves within the fixed base (13) and the mold cavity (16). A top block (21) is fixedly connected to the surface of the movable rod (2). A fixed plate (22) is fixedly connected to the surface of the fixed base (13). A rotating rod (23) is movably connected to the inner side of the fixed plate (22). An eccentric turntable (24) is fixedly connected to the top of the rotating rod (23). A motor (25) is fixedly installed on the lower surface of the fixed plate (22).

2. The rubber extrusion stamping and engraving forming device according to claim 1, characterized in that: The demolding mechanism also includes a connecting block (26), which is fixedly connected to the surface of the movable rod (2). A spring (27) is fixedly connected to the surface of the connecting block (26), and a fixing rod (28) is fixedly connected to the surface of the fixing seat (13).

3. The rubber extrusion stamping and engraving forming device according to claim 1, characterized in that: The top block (21) is movable inside the mold cavity (16), and the end of the rotating rod (23) away from the eccentric turntable (24) is fixedly connected to the output end of the motor (25).

4. The rubber extrusion stamping and engraving forming device according to claim 2, characterized in that: One end of the spring (27) is fixedly connected to the fixed seat (13), the other end of the spring (27) is fixedly connected to the connecting block (26), and the connecting block (26) is movably connected to the fixed rod (28).

5. The rubber extrusion stamping and engraving forming device according to claim 1, characterized in that: The inner side of the fixed base (13) is provided with a limiting mechanism. The limiting mechanism includes a movable groove (3). The movable groove (3) is opened on the inner side of the fixed base (13). The inner side of the movable groove (3) is movably connected with a positive and negative screw (31). The surface of the positive and negative screw (31) is threadedly connected with a moving block (32). The surface of the moving block (32) is fixedly connected with a limiting rod (33). The inner side of the moving block (32) is provided with a limiting groove (34). The inner wall of the movable groove (3) is fixedly connected with a fixing block (35).

6. The rubber extrusion stamping and engraving forming device according to claim 5, characterized in that: The movable block (32) is movably connected to the positive and negative screws (31) in two groups. The movable block (32) is movably located inside the movable groove (3). The limiting groove (34) and the fixed block (35) are movably connected.