Limiting mechanism for foam forming device of rubber and plastic sponge insulation board

Abstract

The utility model discloses a limiting mechanism for a foam forming device of a rubber and plastic sponge insulation board, and belongs to the technical field of foam forming devices. Comprising a lower mold body, a supporting frame is fixedly arranged above the lower mold body, a second motor is installed at the upper end of the supporting frame, a screw rod is arranged at the output end of the second motor, a screw rod sleeve is arranged on the outer wall of the screw rod, a mold cover is fixedly connected to one end of the screw rod sleeve, and limiting assemblies are arranged on the two sides of the mold cover. The limiting assembly comprises a limiting sliding block and a limiting groove, and the limiting groove is located in the inner wall of the supporting frame. The limiting mechanism solves the problem that in the prior art, a top cover of a limiting mechanism for a foam forming device is driven by a hydraulic cylinder to ascend and descend, and stability is not enough, the limiting assembly is arranged, the movement track of the screw sleeve is limited through cooperation of a limiting sliding block and a limiting groove, a second motor drives a screw to conduct transmission, and the stability is improved. And the die cover is driven to lift stably under the action of the screw rod sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of foaming molding devices, in particular to a limiting mechanism for a rubber-plastic sponge insulation board foaming molding device. Background Art

[0002] The foaming molding of rubber and plastic sponge insulation boards generally adopts a rubber and plastic sponge insulation board foaming molding device with multiple molding dies to improve production efficiency. The existing Chinese patent with publication number CN210758776U discloses a limiting mechanism for a rubber and plastic sponge insulation board foaming molding device: the patent uses longitudinal limiting rods and transverse limiting rods to limit the multiple molding dies when the top cover is pressed down for molding, and enables the multiple molding dies to be separated by gravity when the top cover is lifted. During separation, the separation distance is limited by the nut on the top of the longitudinal limiting rod. By adjusting the socket into which the transverse limiting rod is inserted, the molding die can slide along the slide, making it convenient to remove the molded rubber and plastic sponge insulation board from the molding die.

[0003] However, the above-mentioned prior art solutions also have the following defects:

[0004] The top cover of the existing foaming molding device's limiting mechanism is driven by a hydraulic cylinder to achieve lifting and lowering, which is not stable enough and is inconvenient to demould, thus affecting production efficiency. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0006] To this end, one purpose of the present utility model is to propose a limiting mechanism for a rubber and plastic sponge insulation board foaming molding device. By setting a limiting component, the movement trajectory of the screw sleeve is limited due to the cooperation of the limiting slider and the limiting groove, so that the second motor drives the screw transmission, and under the action of the screw sleeve, the mold cover is driven to achieve stable lifting and lowering.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a limiting mechanism for a rubber and plastic sponge insulation board foaming molding device, comprising a lower mold, a support frame fixedly arranged above the lower mold, a second motor installed on the upper end of the support frame, a screw provided on the output end of the second motor, a screw sleeve provided on the outer wall of the screw, a mold cover fixedly connected to one end of the screw sleeve, limiting components are provided on both sides of the mold cover, the limiting components include a limiting slider and a limiting groove, the limiting groove is located on the inner wall of the support frame, and the mold cover is slidably connected to the limiting groove through the limiting slider.

[0008] Preferably, a molding cavity is provided inside the lower mold, a molding table is provided inside the molding cavity, and side panels are provided on both sides of the molding table.

[0009] Preferably, a movable groove is provided below the forming cavity, and grooves are provided at the front and rear ends of the movable groove.

[0010] Preferably, a bidirectional screw is provided inside the movable groove, a first motor is installed on one side of the lower mold, and the output end of the first motor is transmission-connected to the bidirectional screw.

[0011] Preferably, a moving block is provided on the outer wall of the bidirectional screw rod, and the moving block is fixedly connected to the side plate.

[0012] Preferably, a sliding groove is provided above the movable groove, and the sliding groove is slidably connected to the moving block.

[0013] Preferably, a cylinder is provided inside the groove, and the telescopic end of the cylinder is fixedly connected to the forming table.

[0014] Preferably, a pressure relief hole is provided inside the mold cover.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. The utility model is a limiting mechanism for a rubber-plastic sponge insulation board foaming molding device. By setting a limiting component, the movement trajectory of the screw sleeve is limited due to the cooperation of the limiting slider and the limiting groove, so that the second motor drives the screw transmission, and under the action of the screw sleeve, the mold cover is driven to achieve stable lifting and lowering.

[0017] 2. The utility model is a limit mechanism for a rubber-plastic sponge insulation board foaming molding device. After foaming and molding, the molding table is driven downward by a cylinder, and at the same time, the bidirectional screw transmission is driven by the first motor, so that the two moving blocks drive the side plates away from the molded material, and can realize bottom demoulding and side demoulding respectively, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the movable groove of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the limit slider of the utility model;

[0021] Figure 4 This is a schematic diagram of the groove cross-section structure of the utility model.

[0022] In the figure: 1. Lower mold; 2. Support frame; 3. Mold cover; 101. Side panel; 102. Forming table; 103. Slide; 104. Moving block; 105. Bidirectional screw; 106. First motor; 107. Groove; 108. Cylinder; 109. Movable groove; 201. Second motor; 202. Screw; 203. Screw sleeve; 204. Limit groove; 301. Limit slider; 302. Pressure relief hole. DETAILED DESCRIPTION

[0023] 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.

[0024] In order to solve the technical problems in the prior art where the top cover of the limit mechanism of the foam molding device is driven by a hydraulic cylinder to achieve lifting and lowering, which is not stable enough and is inconvenient to demould, thus affecting production efficiency, please refer to Figure 1-4 , providing the following technical solutions:

[0025] In this embodiment, a limiting mechanism is provided for a rubber and plastic sponge insulation board foaming molding device, including a lower mold 1, a support frame 2 is fixedly provided above the lower mold 1, a second motor 201 is installed on the upper end of the support frame 2, a screw 202 is provided on the output end of the second motor 201, a screw sleeve 203 is provided on the outer wall of the screw 202, one end of the screw sleeve 203 is fixedly connected to the mold cover 3, and limiting components are provided on both sides of the mold cover 3, the limiting components include a limiting slider 301 and a limiting groove 204, the limiting groove 204 is located on the inner wall of the support frame 2, the mold cover 3 is slidably connected to the limiting groove 204 through the limiting slider 301, and the screw 202 is driven by the second motor 201. Due to the cooperation of the limiting slider 301 and the limiting groove 204, the movement trajectory of the screw sleeve 203 is limited, driving the mold cover 3 to achieve stable lifting.

[0026] In this embodiment, a molding cavity is provided inside the lower mold 1, a molding table 102 is provided inside the molding cavity, side panels 101 are provided on both sides of the molding table 102, a movable groove 109 is provided below the molding cavity, grooves 107 are provided at the front and rear ends of the movable groove 109, a cylinder 108 is provided inside the groove 107, and the telescopic end of the cylinder 108 is fixedly connected to the molding table 102, the foaming resin is injected into the lower mold 1, the mold cover 3 is sealed with the lower mold 1 and then wait for foaming molding, after complete molding, by starting the cylinder 108, the telescopic rod of the cylinder 108 drives the molding table 102 to move downward, and the bottom can be demolded.

[0027] A bidirectional screw rod 105 is provided inside the movable groove 109, and a first motor 106 is installed on one side of the lower mold 1, and the output end of the first motor 106 is connected to the bidirectional screw rod 105 for transmission. A moving block 104 is provided on the outer wall of the bidirectional screw rod 105, and the moving block 104 is fixedly connected to the side plate 101. A slide groove 103 is provided above the movable groove 109, and the slide groove 103 is slidably connected to the moving block 104. By starting the first motor 106, its output end drives the bidirectional screw rod 105 for transmission, so that the two moving blocks 104 drive the side plate 101 away from the molded material to realize demolding on both sides, and the slide groove 103 plays a role of limiting sliding on the movement of the moving block 104.

[0028] A pressure relief hole 302 is provided inside the mold cover 3 to relieve pressure, thereby ensuring smooth demoulding and avoiding quality problems of the molded material.

[0029] Working principle: When in use, the foaming resin is injected into the lower mold 1, and the screw 202 is driven by the second motor 201. Due to the cooperation of the limiting slider 301 and the limiting groove 204, the movement trajectory of the screw sleeve 203 is limited, driving the mold cover 3 to descend, so that the mold cover 3 is sealed and connected to the lower mold 1 and waits for foaming molding. After complete molding, the pressure relief hole 302 is opened, and then the cylinder 108 is started, so that the telescopic rod of the cylinder 108 drives the molding table 102 to move downward, and the bottom demoulding can be achieved. At the same time, by starting the first motor 106, its output end drives the bidirectional screw 105 to transmit, so that the two moving blocks 104 drive the side plates 101 away from the molded material to achieve demoulding on both sides.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A limiting mechanism for a rubber-plastic sponge insulation board foaming molding device, comprising a lower mold (1), characterized in that: A support frame (2) is fixedly provided above the lower mold (1), a second motor (201) is installed on the upper end of the support frame (2), a screw (202) is provided on the output end of the second motor (201), a screw sleeve (203) is provided on the outer wall of the screw (202), one end of the screw sleeve (203) is fixedly connected to the mold cover (3), and both sides of the mold cover (3) are provided with a limiting component, the limiting component includes a limiting slider (301) and a limiting groove (204), the limiting groove (204) is located on the inner wall of the support frame (2), and the mold cover (3) is slidably connected to the limiting groove (204) through the limiting slider (301).

2. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 1, characterized in that: A molding cavity is provided inside the lower mold (1), a molding platform (102) is provided inside the molding cavity, and side panels (101) are provided on both sides of the molding platform (102).

3. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 2, characterized in that: A movable groove (109) is provided below the molding cavity, and grooves (107) are provided at the front and rear ends of the movable groove (109).

4. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 3, characterized in that: A bidirectional screw rod (105) is provided inside the movable groove (109), a first motor (106) is installed on one side of the lower mold (1), and the output end of the first motor (106) is transmission-connected to the bidirectional screw rod (105).

5. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 4, characterized in that: A moving block (104) is provided on the outer wall of the bidirectional screw rod (105), and the moving block (104) is fixedly connected to the side plate (101).

6. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 3, characterized in that: A sliding groove (103) is provided above the movable groove (109), and the sliding groove (103) is slidably connected to the moving block (104).

7. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 3, characterized in that: A cylinder (108) is provided inside the groove (107), and the telescopic end of the cylinder (108) is fixedly connected to the forming table (102).

8. The limiting mechanism for a rubber-plastic sponge insulation board foaming molding device according to claim 1, characterized in that: A pressure relief hole (302) is provided inside the mold cover (3).

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