Vacuum leading-in mold for tunnel protective door

Abstract

The utility model relates to the technical field of vacuum leading-in molds, and discloses a tunnel protective door vacuum leading-in mold which comprises a workbench and a fixing frame, the top of the workbench is fixedly connected with a limiting frame, the bottoms of the inner walls of the limiting frame are fixedly connected with second air cylinders, one ends of the two second air cylinders are fixedly connected with mold plates, and the other ends of the two second air cylinders are fixedly connected with the fixing frame. A plurality of needle holes are formed in the bottom of the inner wall of the mold plate, ejector pins are slidably connected to the inner walls of the needle holes, fixing plates are fixedly connected to the bottom ends of the ejector pins, air holes are formed in the top ends of the outer walls of the ejector pins, an air cylinder is fixedly connected to the top of each fixing plate, and an extrusion column is slidably connected to the inner wall of each air cylinder. According to the protective door demolding device, the corners of the protective door are jacked up through the ejector pins, meanwhile, the extrusion columns can extrude gas in the gas cylinder, the gas enters the ejector pins through the gas injection pipes and is ejected out through the gas holes, and rapid demolding of the protective door is achieved through the ejector pins and the gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum introduction mould technical field especially relates to tunnel protective door vacuum introduction mould. BACKGROUND

[0002] Vacuum introduction technology, this is a kind of widely used process method in the field of glass fiber composite material production, this technology involves a film layer covered and well sealed mould as working platform, in the production process, need to help the principle of vacuum negative pressure, the liquid resin that is previously matched, this resin has mixed the curing agent of proper amount, is introduced into this mould, when liquid resin is introduced into mould, under the environment of vacuum, resin will gradually solidify and finally form, by this way, glass fiber plate material with specific shape and size can be manufactured, these plate materials have wide application in industry and engineering field.

[0003] Through the retrieval, China patent publication number is CN217098985U, discloses a kind of adjustable tunnel protective door vacuum introduction mould, mainly related to the technical field of vacuum introduction mould, it includes bottom plate, four vertical set in bottom plate on right-angle limit block, multiple vertical set in bottom plate on side limit block, multiple vertical set in bottom plate on adjusting block and set on the sealing strip of right-angle limit block, side limit block and adjusting block upper surface;Two ends of four right-angle limit block are respectively connected with side limit block and several adjusting blocks to form rectangular frame body.This application has the advantages of being capable of improving the production efficiency of vacuum introduction process, reducing production cost.However, for the protective door of more complex shape and internal structure containing reinforcing rib and other special structures, its demoulding effect is still unsatisfactory, leading to fracture, demoulding time-consuming and laborious situation, for this, tunnel protective door vacuum introduction mould is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a tunnel protective door vacuum introduction mould, aiming at improving the problem that for the protective door of more complex shape and internal structure containing reinforcing rib and other special structures in the prior art, its demoulding effect is still unsatisfactory.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: tunnel protective door vacuum introduction mould, including work table and fixed frame, the top fixed connection of work table is connected with the limiting frame, the inner wall bottom of limiting frame is all connected with cylinder no.

[0006] Through the above technical scheme: by starting cylinder no. 2 and driving the template to lift upwards, the resin is poured, after injection molding, by starting cylinder no. 2 and driving the template to move downwards, the corner position of the protective door is lifted by the ejector pin, and when the template moves downwards, the gas in the cylinder is extruded by the extrusion column, so that the gas in the cylinder is injected between the template and the protective door through the air hole, the ejector pin and the gas are quickly assisted demolding, and the demolding efficiency is improved.

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

[0008] The sealing mechanism includes a cylinder one, the bottom end of the cylinder one is fixedly connected to the top of the fixed frame, one end of the cylinder one penetrates through the top of the fixed frame and is fixedly connected with a sealing plate one, the bottom of the sealing plate one is fixedly connected with a mounting plate, the bottom of the mounting plate is provided with a mounting groove, the inner wall of the mounting groove is slidably connected with a sealing plate two, the top of the sealing plate two is fixedly connected with a spring around, the bottom of the sealing plate two is fixedly connected with a rubber ring one, and the top of the template is fixedly connected with a rubber ring two.

[0009] Through the above technical scheme: in order to ensure the sealing property of the injection mold, avoid the situation of liquid leakage, by starting the cylinder one and driving the sealing plate one to press downwards on the top of the template, at this time, the sealing plate two in the mounting plate is extruded under the rebound of the spring, and the mutual adhesion between the rubber ring one and the rubber ring two is realized, so as to realize the sealing treatment around the template.

[0010] As a further description of the above technical scheme:

[0011] The inner wall top of the fixed frame is fixedly connected with a connecting plate, and the front side of the fixed frame is screw connected with a bolt one.

[0012] Through the technical scheme, the connecting plate is fixed on the fixing frame by the plurality of bolts, and the installation of the control device is completed through the connecting plate, and the fixing frame is enhanced in firmness.

[0013] Further description is made to the technical scheme:

[0014] The front side of the connecting plate is fixedly connected with a controller, and the controller is electrically connected with the cylinder one and the cylinder two respectively.

[0015] Through the technical scheme, the controller is convenient for simple operation control of the running equipment on the whole device.

[0016] Further description is made to the technical scheme:

[0017] The top and left side of the fixing frame are slidably connected with a limiting rod, and the bottom end of the two limiting rods is fixedly connected with the top of the sealing plate one.

[0018] Through the technical scheme, the sealing plate one is limited by the limiting rod, and the stability of the sealing plate one during operation is ensured.

[0019] Further description is made to the technical scheme:

[0020] The inner wall of the fixing frame is fixedly connected with a reinforcing plate on the left and right sides, and the bottom of the two reinforcing plates is fixedly connected with the top of the workbench.

[0021] Through the technical scheme, the fixing frame and the workbench are connected through the reinforcing plate, and the firmness between them is ensured.

[0022] Further description is made to the technical scheme:

[0023] The top of the two reinforcing plates is provided with a threaded hole, and the inner wall of the threaded hole is threadedly connected with a bolt two.

[0024] Through the technical scheme, the installation and fixation of the reinforcing plate are completed by inserting the plurality of bolt two into the threaded hole.

[0025] Further description is made to the technical scheme:

[0026] The bottom of the workbench is fixedly connected with a supporting frame, and the bottom end of the supporting frame is fixedly connected with a rubber pad.

[0027] Through the technical scheme, the supporting frame is used for supporting the whole device, and the stability of the device during operation is ensured.

[0028] The utility model has the advantages of:

[0029] 1. The utility model discloses a top needle and gas are realized to the quick stripping of the protective door through the top needle and gas when the protective door is poured and shaped, and the protective door is poured and shaped.

[0030] 2. The utility model discloses a sealing plate one is driven to move down by starting cylinder one, at this time, sealing plate two and template top four around are pasted, and the sealing plate two that is under extrusion is contracted to the inside of installation groove, and is extruded down through the rebound of spring, makes rubber ring one and rubber ring two of sealing plate two bottom closely pasted, avoids the situation that leaks when carrying out vacuum pumping, improves injection precision. DRAWINGS

[0031] Figure 1 It is the perspective view of the tunnel protective door vacuum introduction mould that the utility model provides;

[0032] Figure 2 It is the front view of the tunnel protective door vacuum introduction mould that the utility model provides;

[0033] Figure 3 It is the split drawing of the fixed frame of the tunnel protective door vacuum introduction mould that the utility model provides;

[0034] Figure 4 It is the split drawing of the top needle of the tunnel protective door vacuum introduction mould that the utility model provides;

[0035] Figure 5 It is the split drawing of the sealing mechanism of the tunnel protective door vacuum introduction mould that the utility model provides.

[0036] Legend:

[0037] 1, workbench, 2, sealing mechanism, 201, cylinder one, 202, sealing plate one, 203, mounting plate, 204, installation groove, 205, sealing plate two, 206, spring, 207, rubber ring one, 208, rubber ring two, 3, fixed frame, 4, limiting frame, 5, template, 6, needle hole, 7, fixed plate, 8, top needle, 9, air hole, 10, cylinder two, 11, extrusion column, 12, air cylinder, 13, gas injection pipe, 14, one-way pipe, 15, connecting plate, 16, bolt one, 17, controller, 18, limiting rod, 19, reinforcing plate, 20, screw hole, 21, bolt two, 22, support frame, 23, rubber pad. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0039] With reference to Figure 1 , Figure 3 and Figure 4 , the present utility model provides an embodiment: tunnel protective door vacuum introduction mold, including workbench 1 and fixed frame 3, the top fixed connection of workbench 1 is limited frame 4, the inner wall bottom of limited frame 4 is fixedly connected with cylinder two 10, one end of two cylinder two 10 is fixedly connected with template 5, the four corners of template 5 are limited by limiting frame 4 and are handled, make template 5 drive under cylinder two 10, along the specified position slides up and down, the inner wall bottom of template 5 is equipped with multiple pinholes 6, the inner wall of multiple pinholes 6 is slidably connected with thimble 8, multiple thimbles 8 are connected through pinhole 6, pinhole 6 is distributed in the inner wall bottom of template 5, is used to provide support force to the place that is difficult to demould and is laborious to demould, when template 5 is placed in the top of limiting frame 4, the pouring of protective door is shaped, when shaping is completed, start cylinder two 10 and drive template 5 to move downwards, thereby the corner of protective door is lifted by thimble 8, the bottom end of multiple thimbles 8 is fixedly connected with fixed plate 7, the outer wall top end of multiple thimbles 8 is equipped with air hole 9, the top of fixed plate 7 is fixedly connected with air cylinder 12, the inner wall of air cylinder 12 is slidably connected with extrusion column 11, when template 5 moves downwards, extrusion column 11 will extrude the gas in air cylinder 12, the top end of extrusion column 11 is fixedly connected in the bottom of template 5, the outer wall front and back of air cylinder 12 is communicated with injection tube 13, one end of two injection tubes 13 is communicated in the outer wall of thimble 8, so that the gas enters thimble 8 through injection tube 13, and is sprayed out through air hole 9, so that protective door realizes the rapid demoulding of protective door through thimble 8 and gas, the outer wall right side of air cylinder 12 is communicated with one-way pipe 14, the top of workbench 1 is provided with sealing mechanism 2, when extrusion column 11 is lifted upwards, will suck the gas outside through one-way pipe 14, convenient for next time use;

[0040] Specifically, the four corners of the template 5 are limited by the limiting frame 4, which ensures that the template 5 can slide up and down accurately along the specified position under the drive of the cylinder two 10. The inner wall bottom of the template 5 is provided with a plurality of pinholes 6, and a plurality of ejector pins 8 are connected through the pinholes 6. The pinholes 6 are distributed on the inner wall bottom of the template 5, which provides necessary support force for the places that are difficult to demold and laborious to demold. When the template 5 is placed on the top of the limiting frame 4, the pouring and shaping of the protective door can be protected. After shaping, the cylinder two 10 is started to drive the template 5 to move downward, so as to lift the corners of the protective door through the ejector pins 8 to realize demolding. The bottom end of the plurality of ejector pins 8 is fixed with a fixed plate 7, and the outer wall top end of the ejector pin 8 is provided with a gas hole 9. The top of the fixed plate 7 is fixed with an air cylinder 12, and the inner wall of the air cylinder 12 is slidably connected with an extrusion column 11. When the template 5 moves downward, the extrusion column 11 will extrude the gas in the air cylinder 12. The top end of the extrusion column 11 is fixed on the bottom of the template 5, which ensures the synchronicity of the extrusion action. The front and rear sides of the outer wall of the air cylinder 12 are communicated with gas injection pipes 13, one end of the two gas injection pipes 13 is communicated with the outer wall of the ejector pin 8, so that the gas can enter the ejector pin 8 through the gas injection pipe 13 and be sprayed out through the gas hole 9. In this way, the protective door can be quickly demolded through the joint action of the ejector pin 8 and the gas. In addition, the outer wall right side of the air cylinder 12 is communicated with a one-way pipe 14. When the extrusion column 11 is lifted upward, the external gas will be sucked through the one-way pipe 14, which can facilitate the next use and improve the work efficiency.

[0041] Referring to Figure 1 , Figure 2 and Figure 5The sealing mechanism 2 comprises a cylinder 201, the bottom end of the cylinder 201 is fixedly connected to the top of the fixed frame 3, the cylinder 201 is supported by the fixed frame 3, and the firmness of the cylinder 201 during operation is ensured, one end of the cylinder 201 penetrates through the top of the fixed frame 3 and is fixedly connected with a sealing plate 202, when the cylinder 201 is started, the sealing plate 202 can be driven to move up and down, the bottom of the sealing plate 202 is fixedly connected with a mounting plate 203, the bottom of the mounting plate 203 is provided with a mounting groove 204, the inner wall of the mounting groove 204 is slidably connected with a sealing plate 205, the sealing plate 205 is slidably mounted in the mounting groove 204 inside the mounting plate 203, the top of the sealing plate 205 is fixedly connected with springs 206, when the sealing plate 202 moves downward, the sealing plate 205 will be tightly attached to the top of the template 5, at this time, the sealing plate 205 which is extruded will shrink into the mounting groove 204, at the same time, under the rebound extrusion of the springs 206, a rubber ring 207 is fixedly connected to the bottom of the sealing plate 205, a rubber ring 208 is fixedly connected to the top of the template 5, so that the rubber ring 207 at the bottom of the sealing plate 205 is tightly attached to the rubber ring 208, avoiding the leakage during vacuum pumping, improving the injection precision, the top of the fixed frame 3 is slidably connected with a limiting rod 18 on the left and right sides, the bottom of the two limiting rods 18 is fixedly connected to the top of the sealing plate 202.

[0042] Specifically, the cylinder 201 is supported by the fixed frame 3, thereby ensuring the stability and firmness during operation, one end of the cylinder 201 penetrates through the top of the fixed frame 3 and is fixedly connected with the sealing plate 202, when the cylinder 201 is started, the sealing plate 202 can be effectively driven to move up and down accurately, the bottom of the sealing plate 202 is fixedly connected with the mounting plate 203, the bottom of the mounting plate 203 is provided with the mounting groove 204, the sealing plate 205 can be smoothly connected in the inner wall of the mounting groove 204, in order to ensure the stability of the sealing plate 205 in a specific position, the top of the sealing plate 205 is fixedly connected with the springs 206, when the sealing plate 202 moves downward, the sealing plate 205 will be tightly attached to the top of the template 5, under this attachment state, the sealing plate 205 which is extruded will shrink into the mounting groove 204; at the same time, under the rebound force of the springs 206, the rubber ring 207 at the bottom of the sealing plate 205 can be tightly attached to the rubber ring 208, greatly avoiding the leakage during vacuum pumping, thereby improving the precision of the injection process.

[0043] Referring to Figure 1 , Figure 2 and Figure 3The inner wall of the fixing frame 3 is fixedly connected with a connecting plate 15, and the front side of the fixing frame 3 is threadedly connected with a bolt 16. The front side of the connecting plate 15 is fixedly connected with a controller 17, and the controller 17 is installed and supported through the connecting plate 15. The controller 17 can simply control the operation of the equipment on the whole device. The controller 17 is electrically connected with the cylinder one 201 and the cylinder two 10 respectively. The inner wall left and right sides of the fixing frame 3 are fixedly connected with reinforcing plates 19. The bottoms of the two reinforcing plates 19 are fixedly connected to the top of the workbench 1. Meanwhile, the fixing frame 3 is connected with the workbench 1 through the reinforcing plates 19. The tops of the two reinforcing plates 19 are provided with screw holes 20. The inner wall of the screw hole 20 is threadedly connected with a bolt two 21, and the bolt two 21 is used to reinforce the reinforcing plate 19, thereby ensuring the firmness of the whole device. The bottom of the workbench 1 is fixedly connected with a support frame 22, and the bottom end of the support frame 22 is fixedly connected with a rubber pad 23.

[0044] Specifically, the inner wall of the fixing frame 3 is fixedly connected with a connecting plate 15, which not only enhances the stability of the structure, but also provides convenience for subsequent component installation. The controller 17 is installed and supported through the connecting plate 15, thereby achieving simple operation control of the equipment on the whole device. The fixing frame 3 is effectively connected with the workbench 1 through the reinforcing plates 19. In addition, the tops of the two reinforcing plates 19 are provided with screw holes 20. The inner wall of the screw hole 20 is threadedly connected with a bolt two 21, which is used to reinforce the reinforcing plate 19, thereby ensuring the firmness of the whole device. In order to provide additional support and stability, the bottom of the workbench 1 is fixedly connected with a support frame 22, and the bottom end of the support frame 22 is fixedly connected with a rubber pad 23, which can not only absorb vibration and reduce noise, but also protect the bottom of the workbench 1 from damage.

[0045] Working principle: first, the four corners of the template 5 are limited by the limiting frame 4, so that the template 5 slides up and down along the specified position under the drive of the cylinder two 10. The pinholes 6 are distributed on the inner wall bottom of the template 5, which provides support force for the places that are difficult to demold and laborious to demold. When the template 5 is placed on the top of the limiting frame 4, the pouring and shaping of the protective door are performed. After the shaping is completed, the cylinder two 10 is started to drive the template 5 to move downward, so that the corners of the protective door are lifted by the thimble 8. When the template 5 moves downward, the extrusion column 11 extrudes the gas in the air cylinder 12, so that the gas enters the thimble 8 through the gas injection pipe 13 and is sprayed out through the air hole 9, so that the protective door is quickly demolded by the thimble 8 and the gas. When the extrusion column 11 is lifted upward, the one-way pipe 14 sucks the external gas, which is convenient for next use;

[0046] And, the starting cylinder 201 drives the sealing plate 202 to move up and down, when the sealing plate 202 moves down, the sealing plate 205 will be attached to the top of the four around the template 5, at this time, the sealing plate 205 is extruded, will be contracted to the inside of the installation groove 204, at the same time, under the spring 206 rebound extrusion, the rubber ring 207 and the rubber ring 208 at the bottom of the sealing plate 205 are closely attached, avoid the leakage when vacuum pumping, improve the injection precision.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A vacuum introduction mold for a tunnel door, comprising a worktable (1) and a fixing frame (3), characterized in that: The top of the workbench (1) is fixedly connected with a limiting frame (4), the inner wall bottom of the limiting frame (4) is fixedly connected with a gas cylinder two (10), one end of the two gas cylinder two (10) is fixedly connected with a template (5), the inner wall bottom of the template (5) is provided with a plurality of pinholes (6), the inner wall of the plurality of pinholes (6) is slidably connected with a thimble (8), the bottom end of the plurality of thimbles (8) is fixedly connected with a fixed plate (7), the outer wall top end of the plurality of thimbles (8) is provided with a gas hole (9), the top of the fixed plate (7) is fixedly connected with a gas cylinder (12), the inner wall of the gas cylinder (12) is slidably connected with an extrusion column (11), the top end of the extrusion column (11) is fixedly connected to the bottom of the template (5), the outer wall of the gas cylinder (12) is connected with a gas injection pipe (13) on the front and back sides, one end of the two gas injection pipes (13) is communicated with the outer wall of the thimble (8), the outer wall right side of the gas cylinder (12) is communicated with a one-way pipe (14), and the top of the workbench (1) is provided with a sealing mechanism (2).

2. The tunnel portal door vacuum introduction mold of claim 1, wherein: The sealing mechanism (2) comprises a gas cylinder one (201), the bottom end of the gas cylinder one (201) is fixedly connected to the top of the fixed frame (3), one end of the gas cylinder one (201) penetrates through the top of the fixed frame (3) and is fixedly connected with a sealing plate one (202), the bottom of the sealing plate one (202) is fixedly connected with a mounting plate (203), the bottom of the mounting plate (203) is provided with a mounting groove (204), the inner wall of the mounting groove (204) is slidably connected with a sealing plate two (205), the top of the sealing plate two (205) is fixedly connected with a spring (206) around, the bottom of the sealing plate two (205) is fixedly connected with a rubber ring one (207), and the top of the template (5) is fixedly connected with a rubber ring two (208).

3. The tunnel portal door vacuum introduction mold of claim 1, wherein: The inner wall top of the fixed frame (3) is fixedly connected with a connecting plate (15), and the front side of the fixed frame (3) is threadedly connected with a bolt one (16).

4. The tunnel portal door vacuum introduction mold of claim 3, wherein: The front side of the connecting plate (15) is fixedly connected with a controller (17), and the controller (17) is electrically connected with the gas cylinder one (201) and the gas cylinder two (10) respectively.

5. The tunnel portal door vacuum introduction mold of claim 1, wherein: The top left and right sides of the fixed frame (3) are slidably connected with a limiting rod (18), and the bottom end of the two limiting rods (18) is fixedly connected to the top of the sealing plate one (202).

6. The tunnel portal door vacuum introduction mold of claim 1, wherein: The inner wall left and right sides of the fixed frame (3) are fixedly connected with a reinforcing plate (19), and the bottom of the two reinforcing plates (19) is fixedly connected to the top of the workbench (1).

7. The tunnel portal door vacuum introduction mold of claim 6, wherein: The top of the two reinforcing plates (19) is provided with a threaded hole (20), and the inner wall of the threaded hole (20) is threadedly connected with a bolt two (21).

8. The tunnel portal door vacuum introduction mold of claim 1, wherein: The bottom of the workbench (1) is fixedly connected with a support frame (22), and the bottom end of the support frame (22) is fixedly connected with a rubber pad (23).

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