Rubber part production mold convenient to demold

Abstract

The utility model relates to the technical field of rubber part production molds, and discloses a rubber part production mold convenient to demold, which comprises a mounting base, one side of the upper surface of the mounting base is fixedly connected with a positioning rod, the periphery of the positioning rod is sleeved and connected with a lifting guide seat, the outer wall of the lifting guide seat is fixedly connected with an upper mold, and the upper mold is fixedly connected with a lower mold. A lower mold is movably connected to the upper surface of the mounting base, a double-station adjusting assembly is arranged between the upper surface of the mounting base and the outer wall of the lower mold, a cavity is formed in the upper surface of the lower mold, and a mounting groove is formed in the center of the bottom end of the inner wall of the cavity. According to the rubber sheet demolding device, the electric telescopic rod is used for driving the jacking block through the demolding assembly to jack up a rubber sheet formed in the cavity, the jacking block is provided with the air hole, and flexible jacking and pneumatic blowing are achieved under air supply of the air pump, so that rapid demolding is achieved, rubber product damage caused by single-point continuous jacking is effectively prevented, the production efficiency is improved, and qualification is achieved.

Description

Technical Field

[0001] This utility model relates to the field of rubber parts production mold technology, and in particular to a rubber parts production mold that is easy to demold. Background Technology

[0002] Rubber parts are various product accessories made of rubber, widely used in many fields, including automobiles, machinery, electronics, construction, etc. Rubber part molds are required in the production of rubber products.

[0003] Rubber part molds typically employ an upper and lower mold structure. After the rubber raw material is injected into the cavity, it is vulcanized and formed by heating and pressurizing. When demolding, the upper and lower molds need to be separated, and then auxiliary tools such as ejector pins are used to eject the rubber part from the cavity.

[0004] While the aforementioned technologies achieve compression molding and demolding of rubber parts, there is a significant adhesive force between the rubber parts and the mold cavity. During single-point lifting demolding, the rubber parts are easily damaged, which affects production efficiency and yield rate, and is inconvenient to use. Therefore, a rubber part production mold that facilitates demolding is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a rubber part production mold that facilitates demolding, aiming to solve the problem in the prior art that there is a large adhesive force between the rubber part and the cavity, and the rubber part is easily damaged during single-point lifting demolding, thus affecting production efficiency and yield.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a rubber part production mold that facilitates demolding, comprising a mounting base, a positioning rod fixedly connected to one side of the upper surface of the mounting base, a lifting guide seat sleeved around the outer periphery of the positioning rod, an upper mold fixedly connected to the outer wall of the lifting guide seat, a lower mold movably connected to the upper surface of the mounting base, a dual-position adjustment assembly provided between the upper surface of the mounting base and the outer wall of the lower mold, a cavity provided on the upper surface of the lower mold, an installation groove provided at the center of the bottom end of the inner wall of the cavity, a demolding assembly provided inside the installation groove, an air inlet window opened on the outer surface of the lower mold, a filter screen fixedly connected to the inner wall of the air inlet window, and an air supply channel communicating between the air inlet window and the installation groove.

[0007] As a further description of the above technical solution:

[0008] The dual-position adjustment assembly includes a motor and a steering guide groove. The bottom of the motor is fixedly connected to the center of the upper surface of the mounting base. The output end of the motor is fixedly connected to a rotating frame. The end of the rotating frame is fixedly connected to the outer wall of the lower mold. The steering guide groove is opened at the rear edge of the upper surface of the mounting base. A connecting slider is slidably connected to the inner wall of the steering guide groove.

[0009] As a further description of the above technical solution:

[0010] There are two lower molds, which are mirror images of each other along the central axis of the motor, and the top end of the connecting slider is fixedly connected to the lower surface of one of the lower molds.

[0011] As a further description of the above technical solution:

[0012] The demolding assembly includes a mounting plate, the outer wall of which is fixedly connected to the inner wall of the mounting groove. An electric telescopic rod is fixedly connected to the upper surface of the mounting plate. A lifting block is fixedly connected to the telescopic end of the electric telescopic rod. Air holes are opened on the outer periphery of the lifting block. An air supply pipe is connected through the center of the lower surface of the lifting block. An air pump is fixedly connected to the bottom end of the air supply pipe. An air inlet pipe is fixedly connected to the surface of the air pump.

[0013] As a further description of the above technical solution:

[0014] A mounting through hole is provided at the center of the upper surface of the mounting plate, wherein the inner wall dimension of the mounting through hole is larger than the outer wall dimension of the air supply pipe.

[0015] As a further description of the above technical solution:

[0016] The air holes are arranged in a ring at equal intervals, and the input end of the multiple air holes is connected to the output end of the air supply pipe through an air delivery chamber, which is located at the internal center of the lifting block.

[0017] As a further description of the above technical solution:

[0018] The lower surface of the air pump is fixedly connected to the bottom of the inner wall of the mounting groove, and one end of the air inlet pipe is connected through the interior of the air supply channel.

[0019] As a further description of the above technical solution:

[0020] The upper surface of the upper mold is fixedly fitted with a sprue sleeve, and the lower surface of the upper mold is fixedly connected with a protrusion. A sprue gate is opened at the center of the lower surface of the protrusion, and the sprue sleeve and the sprue gate are connected through the interior.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the demolding assembly uses an electric telescopic rod to drive the lifting block, which lifts the rubber sheet formed in the cavity. The lifting block is equipped with air holes. With the air supply of the air pump, flexible lifting and pneumatic blowing are achieved, thereby quickly demolding. This effectively prevents the rubber product from being damaged due to continuous lifting at a single point, and improves production efficiency and quality.

[0023] 2. In this utility model, two lower molds are connected by a motor-driven rotating frame through a lower mold and a dual-station adjustment component. One of the lower molds is combined with a connecting slider and positioned by a steering guide groove, so as to realize the rapid alternating processing of the two lower molds in dual stations, thereby improving the continuous processing efficiency of injection molding and demolding in rubber production. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a rubber part production mold that facilitates demolding, as proposed in this utility model.

[0025] Figure 2 This utility model provides a schematic diagram of the disassembled structure of the upper and lower mold sections of a rubber part production mold that facilitates demolding.

[0026] Figure 3 This utility model provides a schematic diagram of the mounting base, positioning rod, and dual-position adjustment assembly for a rubber parts production mold that facilitates demolding.

[0027] Figure 4 This is a schematic diagram of the internal structure of the lower mold of a rubber part production mold that facilitates demolding, as proposed in this utility model.

[0028] Legend:

[0029] 1. Mounting base; 2. Positioning rod; 3. Lifting guide seat; 4. Upper mold; 5. Sprue sleeve; 6. Protrusion; 7. Lower mold; 8. Dual-position adjustment assembly; 81. Motor; 82. Rotating frame; 83. Steering guide groove; 84. Connecting slider; 9. Cavity; 10. Mounting groove; 11. Demolding assembly; 111. Mounting plate; 112. Electric telescopic rod; 113. Lifting block; 114. Air hole; 115. Air supply pipe; 116. Air pump; 117. Air inlet pipe; 12. Air inlet window; 13. Filter screen; 14. Air supply channel. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a rubber part production mold that facilitates demolding, comprising a mounting base 1, a positioning rod 2 fixedly connected to one side of the upper surface of the mounting base 1, a lifting guide seat 3 sleeved around the outer periphery of the positioning rod 2, an upper mold 4 fixedly connected to the outer wall of the lifting guide seat 3, a sprue sleeve 5 fixedly snapped onto the upper surface of the upper mold 4, a protrusion 6 fixedly connected to the lower surface of the upper mold 4, a sprue gate being opened at the center of the lower surface of the protrusion 6, and the sprue sleeve 5 and the sprue gate being internally connected through each other, two lower molds 7 being movably connected to the upper surface of the mounting base 1, and a dual-position adjustment assembly 8 being provided between the upper surface of the mounting base 1 and the outer walls of the two lower molds 7, the dual-position adjustment assembly 8 including a motor 81 and a steering guide groove 83, the motor 81... The bottom is fixedly connected to the center of the upper surface of the mounting base 1. Two lower molds 7 are mirror images of each other along the central axis of the motor 81. The output end of the motor 81 is fixedly connected to a rotating frame 82. The two ends of the rotating frame 82 are respectively fixedly connected to the outer walls of the two lower molds 7. A steering guide groove 83 is opened at the rear edge of the upper surface of the mounting base 1. A connecting slider 84 is slidably connected to the inner wall of the steering guide groove 83. The top of the connecting slider 84 is fixedly connected to the lower surface of one of the lower molds 7. The two lower molds 7 connected by the rotating frame 82 are driven by the motor 81. One of the lower molds 7 is combined with the connecting slider 84 and positioned by the steering guide groove 83, so as to realize the rapid alternating processing of the two lower molds 7 in dual stations, thereby improving the continuous processing efficiency of injection molding and demolding in rubber production.

[0032] Reference Figure 1 , Figure 2 and Figure 4The upper surface of the lower mold 7 is provided with a cavity 9. A mounting groove 10 is provided at the center of the bottom end of the inner wall of the cavity 9. A demolding assembly 11 is provided inside the mounting groove 10. The demolding assembly 11 includes a mounting plate 111. The outer wall of the mounting plate 111 is fixedly connected to the inner wall of the mounting groove 10. A mounting through hole is opened at the center of the upper surface of the mounting plate 111, wherein the inner wall size of the mounting through hole is larger than the outer wall size of the air supply pipe 115. An electric telescopic rod 112 is fixedly connected to the upper surface of the mounting plate 111. A lifting block 113 is fixedly connected to the telescopic end of the electric telescopic rod 112. Air holes 114 are evenly distributed in a ring around the outer periphery of the lifting block 113. An air supply pipe 115 is connected through the center of the lower surface of the lifting block 113. An air delivery chamber is connected through the input ends of the multiple air holes 114 and the output ends of the air supply pipe 115. An air pump 116 is fixedly connected to the bottom end of an air supply pipe 115 at the center of the lifting block 113. An air inlet pipe 117 is fixedly connected to the surface of the air pump 116. An air inlet window 12 is opened on the outer surface of the lower mold 7. A filter screen 13 is fixedly connected to the inner wall of the air inlet window 12. The lower surface of the air pump 116 is fixedly connected to the bottom end of the inner wall of the mounting groove 10. An air supply channel 14 is connected through the air inlet window 12 and the mounting groove 10. One end of the air inlet pipe 117 is connected through the interior of the air supply channel 14. The lifting block 113 is driven by an electric telescopic rod 112 to lift the rubber sheet formed in the cavity 9. The lifting block 113 is provided with an air hole 114. Under the air supply of the air pump 116, flexible lifting and pneumatic blowing are realized, thereby quickly demolding, effectively preventing damage to the rubber product caused by single-point continuous lifting, and improving production efficiency and pass rate.

[0033] Working Principle: During use, the upper mold 4 is connected to the telescopic molding mechanism of the molding machine. This mechanism drives the upper mold 4 to precisely close with the lower mold 7 at the bottom along the positioning rod 2. The upper mold 4 is connected to the rubber conveying injection mechanism through the sprue sleeve 5 to inject material. The motor 81 drives the two lower molds 7 connected to the rotating frame 82. One of the lower molds 7 is engaged with the connecting slider 84 and positioned by the steering guide groove 83, realizing rapid alternation of the two workstations. The upper mold 4 and the lower mold 7 cooperate for continuous and efficient processing. At the demolding station, the electric telescopic rod 112 in the lower mold 7 drives the lifting block 113 to lift the rubber sheet formed in the cavity 9. The lifting block 113 is equipped with air holes 114. With the air supplied by the air pump 116, it realizes flexible lifting and pneumatic blowing, rapid demolding, prevents damage to the rubber product caused by single-point continuous lifting, and improves the efficiency of continuous processing of injection molding and demolding, as well as the production qualification rate.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rubber part production mold that facilitates demolding, comprising a mounting base (1), characterized in that: A positioning rod (2) is fixedly connected to one side of the upper surface of the mounting base (1). A lifting guide seat (3) is sleeved around the outer periphery of the positioning rod (2). An upper mold (4) is fixedly connected to the outer wall of the lifting guide seat (3). A lower mold (7) is movably connected to the upper surface of the mounting base (1). A dual-position adjustment component (8) is provided between the upper surface of the mounting base (1) and the outer wall of the lower mold (7). A cavity (9) is provided on the upper surface of the lower mold (7). An installation groove (10) is provided at the center of the bottom end of the inner wall of the cavity (9). A demolding component (11) is provided inside the installation groove (10). An air inlet window (12) is opened on the outer surface of the lower mold (7). A filter screen (13) is fixedly connected to the inner wall of the air inlet window (12). An air supply channel (14) is connected through the air inlet window (12) and the installation groove (10).

2. The rubber part production mold for easy demolding according to claim 1, characterized in that: The dual-position adjustment assembly (8) includes a motor (81) and a steering guide groove (83). The bottom of the motor (81) is fixedly connected to the center of the upper surface of the mounting base (1). The output end of the motor (81) is fixedly connected to a rotating frame (82). The end of the rotating frame (82) is fixedly connected to the outer wall of the lower mold (7). The steering guide groove (83) is opened at the rear edge of the upper surface of the mounting base (1). The inner wall of the steering guide groove (83) is slidably connected to a connecting slider (84).

3. The rubber part production mold for easy demolding according to claim 2, characterized in that: There are two lower molds (7), which are mirror images of the central axis of the motor (81), and the top end of the connecting slider (84) is fixedly connected to the lower surface of one of the lower molds (7).

4. The rubber part production mold for easy demolding according to claim 1, characterized in that: The demolding assembly (11) includes a mounting plate (111), the outer wall of which is fixedly connected to the inner wall of the mounting groove (10). An electric telescopic rod (112) is fixedly connected to the upper surface of the mounting plate (111), and a lifting block (113) is fixedly connected to the telescopic end of the electric telescopic rod (112). An air hole (114) is opened on the outer periphery of the lifting block (113), and an air supply pipe (115) is connected through the center of the lower surface of the lifting block (113). An air pump (116) is fixedly connected to the bottom end of the air supply pipe (115), and an air inlet pipe (117) is fixedly connected to the surface of the air pump (116).

5. A rubber part production mold for easy demolding according to claim 4, characterized in that: An installation through hole is provided at the center of the upper surface of the mounting plate (111), wherein the inner wall size of the installation through hole is larger than the outer wall size of the air supply pipe (115).

6. A rubber part production mold for easy demolding according to claim 4, characterized in that: The air holes (114) are arranged in a ring at equal intervals, and the input end of the multiple air holes (114) is connected to the output end of the air supply pipe (115) through an air delivery chamber, which is located at the internal center of the lifting block (113).

7. A rubber part production mold for easy demolding according to claim 4, characterized in that: The lower surface of the air pump (116) is fixedly connected to the bottom of the inner wall of the mounting groove (10), and one end of the air inlet pipe (117) is connected through the interior of the air supply channel (14).

8. A rubber part production mold for easy demolding according to claim 1, characterized in that: The upper surface of the upper mold (4) is fixedly fitted with a sprue sleeve (5), and the lower surface of the upper mold (4) is fixedly connected with a protrusion (6). A sprue gate is opened at the center of the lower surface of the protrusion (6), and the sprue sleeve (5) and the sprue gate are connected through the interior.

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