Safety protection device of compression molding machine

Abstract

The utility model provides a safety protection device of a compression molding machine, belongs to the technical field of compression molding machines, and aims at solving the problems that an exhaust hopper of an existing compression molding machine cannot extract harmful gas thoroughly in the process of hot melting rubber and plastic materials, and safety accidents are likely to happen. Comprising a compression molding machine body. The protection box is fixedly mounted on the outer side of the compression molding machine main body; the hydraulic rod is fixedly mounted at the upper part of the compression molding machine main body; the upper mold plate is connected to the interior of the mold pressing forming machine body in a sliding mode, and the upper mold plate is fixedly installed at the tail end of the hydraulic rod; the lower template is fixedly mounted at the lower part of the compression molding machine main body; the bearing base is fixedly mounted at the bottom of the protection box; the protection assembly is arranged in the protection box; and the exhaust assembly is arranged in the bearing base. The device has the advantages of safety protection, rapid filtration, pollution reduction and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of molding presses, and more specifically, it particularly relates to a safety protection device for a molding press. Background Art

[0002] Molding is an operation in which powdery, granular or fibrous plastics or rubber colloids are first placed into the mold cavity at the molding temperature, and then the mold is closed and pressurized to form and cure it. A molding press is required during the molding process. Most of the existing molding presses are composed of a hydraulic press, an upper mold and a lower mold. First, the lower mold is used to heat-melt the rubber and plastic raw materials, and then the hydraulic press drives the upper mold to extrude and shape the heat-melted rubber raw materials.

[0003] The existing application number CN202221829133.6 discloses a molding mechanism of an EPP board forming machine in the utility model, which belongs to the technical field of board processing. It includes a table board, and the upper surface of the table board is fixedly connected to the lower surfaces of four first connecting blocks respectively. The opposite surfaces of the corresponding two first connecting blocks are fixedly connected to the opposite surfaces of two reed pieces respectively. The opposite surfaces of the corresponding two reed pieces are fixedly connected to the opposite surfaces of two second connecting blocks respectively. In the molding mechanism of the EPP board forming machine, by setting the reed pieces, the first connecting ring, the connecting frame and the rotating rod, during the use of the molding mechanism, through the mutual cooperation of the connecting frame, the rotating rod and the connecting rod, the vibrating plate can move back and forth left and right. At the same time, through the action of the reed pieces, the vibrating plate can be vibrated, thereby realizing the vibration and left and right shaking of the upper pressing mold and the lower pressing mold, so that the materials in the upper pressing mold and the lower pressing mold can be quickly filled, thus improving the efficiency of material forming.

[0004] Based on the above, a large amount of harmful gases will be generated during the process of heat-melting rubber and plastic materials by the existing molding presses. Most of them adopt the method of installing exhaust funnels for exhaust. However, for the convenience of operating the molding press, the installation position of the exhaust funnel is mostly at a certain distance from the molding press, which will cause incomplete extraction of the exhaust gas by the exhaust funnel and the escape of harmful gases. Workers will also feel unwell when inhaling the escaped harmful gases. Moreover, a large amount of heat will be generated during the working process of the molding press. If a worker falls or accidentally touches the molding press, a safety accident will occur. Summary of the Utility Model

[0005] To solve the above technical problems, the present utility model provides a safety protection device for a molding press, so as to solve the problems that during the process of hot-melting rubber and plastic materials by the existing molding press, a large amount of harmful gases are generated, and mostly the exhaust hood is installed for exhausting gas. However, for the convenience of operating the molding press, the installation position of the exhaust hood is mostly at a certain distance from the molding press, which will cause incomplete extraction of the gas by the exhaust hood and the escape of harmful gases. The staff will also feel unwell when inhaling the escaped harmful gases. Moreover, a large amount of heat is generated during the working process of the molding press. If the staff falls or accidentally touches the molding press, safety accidents may occur.

[0006] The purpose and effect of the safety protection device of the molding press of the present utility model are achieved by the following specific technical means:

[0007] The safety protection device of the molding press includes a molding press main body;

[0008] A protective box, which is fixedly installed on the outer side of the molding press main body;

[0009] A hydraulic rod, which is fixedly installed on the upper part of the molding press main body;

[0010] An upper template, which is slidably connected inside the molding press main body, and the upper template is fixedly installed at the end of the hydraulic rod;

[0011] A lower template, which is fixedly installed at the lower part of the molding press main body;

[0012] A bearing base, which is fixedly installed at the bottom of the protective box;

[0013] A protection component, which is arranged inside the protective box;

[0014] An exhaust component, which is arranged inside the bearing base.

[0015] Further, the protection component includes:

[0016] A protection door, which is hinged on the front side of the protective box;

[0017] A first rack, which is slidably connected on the upper part of the molding press main body;

[0018] A spring, which is fixedly installed at the end of the first rack.

[0019] Further, the protection component also includes:

[0020] A transmission gear, which is rotatably connected on the upper part of the molding press main body, and the transmission gear meshes with the first rack;

[0021] The second rack, the second rack is slidably connected to the upper part of the molding machine body, and the second rack and the transmission gear are meshed with each other.

[0022] Furthermore, the protection component further includes:

[0023] A rotating shaft, the rotating shaft is fixedly installed on the upper part of the molding machine body;

[0024] A torsion spring, the torsion spring is fixedly installed on the outside of the rotating shaft;

[0025] A rotating cylinder, the rotating cylinder is fixedly installed on the outside of the torsion spring.

[0026] Furthermore, the protection component further includes:

[0027] A conductive dial, the end of the conductive dial is rotatably connected to the outside of the rotating shaft;

[0028] A conductive electrode, the conductive electrode is fixedly installed inside the molding machine body, and the conductive electrode, the conductive dial and the molding machine body are connected in series to form a switch circuit.

[0029] Furthermore, the exhaust component includes:

[0030] A forked air extraction funnel, the forked air extraction funnel is fixedly installed inside the molding machine body;

[0031] Louver air vents, there are three groups of louver air vents, and the three groups of louver air vents are arranged inside the forked air extraction funnel;

[0032] An air duct, the air duct is fixedly installed on the back of the forked air extraction funnel;

[0033] An air filtration box, the air filtration box is fixedly installed inside the bearing base, and the air filtration box is fixedly installed at the end of the air duct.

[0034] Furthermore, the exhaust component further includes:

[0035] An inspection door, the inspection door is hinged to the front side of the air filtration box;

[0036] An exhaust fan, the exhaust fan is fixedly installed inside the bearing base, and the exhaust fan is connected to the air filtration box through a pipeline;

[0037] An exhaust port, the exhaust port is opened on the back of the bearing base.

[0038] Compared with the prior art, the utility model has the following beneficial effects:

[0039] First, the utility model has a protection component that locks the hydraulic press main body through the closing of the conductive paddle and the conductive electrode, cuts off the power when the protection door is opened, and supplies power when the protection door is closed, preventing safety accidents caused by the opening of the protection door during the molding process, effectively protecting the operation of the molding machine main body, and greatly improving the safety performance of the device.

[0040] Secondly, the utility model has an exhaust component that extracts harmful gases inside the molding machine main body through a fork-shaped air extraction funnel, effectively preventing the escape of harmful gases. The air extraction direction and size can be quickly adjusted through the louver air vents, which can conveniently adjust the air extraction angle and size when molding different rubber and plastic parts, greatly improving the applicability of the device, greatly reducing the inhalation amount of harmful gases by the staff, and ensuring the physical health of the staff.

[0041] The utility model has the advantages of safety protection, rapid filtration, and pollution reduction, effectively preventing a large amount of heat generated during the operation of the molding machine main body from being accidentally touched by the staff, greatly reducing the occurrence of safety accidents, effectively filtering harmful gases, and ensuring the physical health of the staff. Description of the Drawings

[0042] Figure 1 is the schematic diagram of the main structure of the utility model.

[0043] Figure 2 is the schematic diagram of the structure of the molding machine main body of the utility model.

[0044] Figure 3 is the schematic diagram of the first rack structure of the utility model.

[0045] Figure 4 is the schematic diagram of the fork-shaped air extraction funnel structure of the utility model.

[0046] Figure 5 is the schematic diagram of the bearing base structure of the utility model.

[0047] Figure 6 is the schematic diagram of the exhaust fan structure of the utility model.

[0048] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows:

[0049] 1. Molding machine main body; 2. Protection box; 201. Louver air vents; 202. Fork-shaped exhaust hood; 203. Air duct; 3. Protection door; 301. First rack; 302. Spring; 303. Driving gear; 304. Second rack; 305. Rotating shaft; 306. Torsion spring; 307. Rotating cylinder; 308. Conductive slider; 309. Conductive electrode; 4. Hydraulic rod; 5. Upper template; 6. Lower template; 7. Bearing base; 701. Air filter box; 702. Maintenance door; 8. Exhaust fan; 801. Exhaust port. Detailed implementation manners

[0050] The following further describes in detail the implementation manners of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0051] Embodiment 1:

[0052] As shown in Figure 1 to Figure 6 shown:

[0053] The present utility model provides a safety protection device for a molding machine, including a molding machine main body 1;

[0054] A protection box 2, which is fixedly installed on the outside of the molding machine main body 1;

[0055] A hydraulic rod 4, which is fixedly installed on the upper part of the molding machine main body 1;

[0056] An upper template 5, which is slidably connected inside the molding machine main body 1, and the upper template 5 is fixedly installed at the end of the hydraulic rod 4;

[0057] A lower template 6, which is fixedly installed at the lower part of the molding machine main body 1;

[0058] A bearing base 7, which is fixedly installed at the bottom of the protection box 2;

[0059] A protection component, which is arranged inside the protection box 2.

[0060] Among them, the protection component includes:

[0061] A protection door 3, which is hinged on the front side of the protection box 2;

[0062] A first rack 301, which is slidably connected to the upper part of the molding machine main body 1;

[0063] The spring 302 is fixedly installed at the end of the first rack 301. Its function is that the protective door 3 plays a protective role to prevent a large amount of harmful gases generated by the hot-melt rubber and plastic raw materials from leaking out. When the protective door 3 is closed, the protective door 3 presses the first rack 301 to move, and the first rack 301 compresses the spring 302. When the protective door 3 is opened, the spring 302 resets under the elastic action, and the spring 302 drives the first rack 301 to reset.

[0064] Among them, the protection component further includes:

[0065] The transmission gear 303 is rotatably connected to the upper part of the molding machine main body 1, and the transmission gear 303 meshes with the first rack 301;

[0066] The second rack 304 is slidably connected to the upper part of the molding machine main body 1, and the second rack 304 meshes with the transmission gear 303. Its function is that when the first rack 301 moves, it drives the transmission gear 303 to rotate, and the transmission gear 303 drives the second rack 304 to move.

[0067] Among them, the protection component further includes:

[0068] The rotating shaft 305 is fixedly installed on the upper part of the molding machine main body 1;

[0069] The torsion spring 306 is fixedly installed on the outside of the rotating shaft 305;

[0070] The rotating cylinder 307 is fixedly installed on the outside of the torsion spring 306. Its function is that when the rotating cylinder 307 is turned, the rotating cylinder 307 drives the torsion spring 306 to rotate around the rotating shaft 305. When the rotating cylinder 307 is released, the torsion spring 306 resets under the elastic action, and the torsion spring 306 drives the rotating cylinder 307 to reset.

[0071] Among them, the protection component further includes:

[0072] The conductive contact piece 308 is rotatably connected to the outside of the rotating shaft 305 at its end;

[0073] The conductive electrode 309 is fixedly installed inside the molding machine main body 1. The conductive electrode 309, the conductive contact piece 308 and the molding machine main body 1 are connected in series to form a switch circuit. Its function is that when the conductive contact piece 308 is separated from the conductive electrode 309, the molding machine main body 1 is powered off, and when the conductive contact piece 308 touches the conductive electrode 309, the molding machine main body 1 is powered on.

[0074] The specific usage mode and function of this embodiment:

[0075] When the protective door 3 is opened, the spring 302 resets under the elastic action. The spring 302 drives the first rack 301 to move. The first rack 301 drives the transmission gear 303 to rotate. The transmission gear 303 drives the second rack 304 to move. The movement of the second rack 304 drives the conductive dial 308 to swing. The conductive dial 308 drives the rotating cylinder 307 to rotate. The rotating cylinder 307 drives the torsion spring 306 to rotate around the rotating shaft 305. The conductive dial 308 moves away from the conductive electrode 309, cutting off the power supply of the main body 1 of the molding press, preventing the hydraulic rod 4 from being accidentally activated when the protective door 3 is opened and causing a safety accident.

[0076] When the hydraulic rod 4 is required for molding operation, close the protective door 3. The protective door 3 presses the first rack 301 to move. The first rack 301 compresses the spring 302. The movement of the first rack 301 drives the transmission gear 303 to rotate. The transmission gear 303 drives the second rack 304 to move. As the second rack 304 moves, the torsion spring 306 drives the conductive dial 308 to reset under the elastic action, causing the conductive dial 308 to touch the conductive electrode 309. At this time, the main body 1 of the molding press is powered on. The power-on of the main body 1 of the molding press causes the hydraulic rod 4 to move downward. The hydraulic rod 4 drives the upper template 5 to move. The upper template 5 presses the rubber and plastic material placed on the upper part of the lower template 6.

[0077] Embodiment 2:

[0078] Based on Embodiment 1, as Figures 1 to 6 shown, it further includes:

[0079] An exhaust assembly, which is arranged inside the bearing base 7.

[0080] Among them, the exhaust assembly includes:

[0081] A fork-shaped air extraction funnel 202, which is fixedly installed inside the main body 1 of the molding press;

[0082] Three groups of louver air vents 201 are provided. The three groups of louver air vents 201 are opened on the inner side of the fork-shaped air extraction funnel 202;

[0083] An air duct 203, which is fixedly installed on the back of the fork-shaped air extraction funnel 202;

[0084] An air filter box 701, which is fixedly installed inside the bearing base 7, and the air filter box 701 is fixedly installed at the end of the air duct 203; Its function is that a large amount of gas generated by melting the rubber and plastic raw materials passes through the louver air vents 201 and then enters the air duct 203 from the fork-shaped air extraction funnel 202, and the gas enters the air filter box 701 for further filtration.

[0085] Among them, the exhaust assembly further includes:

[0086] The maintenance door 702 is hinged to the front side of the air filter box 701;

[0087] The exhaust fan 8 is fixedly installed inside the bearing base 7, and the exhaust fan 8 is connected to the air filter box 701 through a pipeline;

[0088] The exhaust port 801 is opened on the back of the bearing base 7; the function is that when the exhaust fan 8 is powered on, the exhaust fan 8 pumps the gas out from the exhaust port 801, and the maintenance door 702 opens the air filter box 701 to replace the internal filter material.

[0089] The specific usage mode and function of this embodiment:

[0090] When the main body 1 of the molding press melts and molds the rubber and plastic raw materials, a large amount of harmful gases are generated by the melted rubber and plastic raw materials. At this time, the exhaust fan 8 is powered on, and the exhaust fan 8 pumps the harmful gases inside the main body 1 of the molding press. The harmful gases enter the air filter box 701 after passing through the louver air outlet 201 and the fork-shaped air extraction hopper 202. The louver air outlet 201 can quickly adjust the air extraction direction and size, and plays a role in conveniently adjusting the air extraction angle and size during the molding of different rubber and plastic parts. The harmful gases enter the air filter box 701 for further filtration. The maintenance door 702 opens the air filter box 701 to replace the internal filter material. The gas filtered by the air filter box 701 is pumped by the exhaust fan 8 and discharged from the exhaust port 801, playing a role in filtering harmful gases.

Claims

1. A safety protection device for a compression molding machine, the safety protection device for the compression molding machine comprising a compression molding machine body (1); characterized in that: A protection box (2), the protection box (2) is fixedly mounted on the outside of a compression molding machine body (1); a hydraulic rod (4), the hydraulic rod (4) is fixedly mounted on the upper part of the compression molding machine body (1); an upper template (5), the upper template (5) is slidably connected to the inside of the compression molding machine body (1), and the upper template (5) is fixedly mounted on the end of the hydraulic rod (4); a lower template (6), the lower template (6) is fixedly mounted on the lower part of the compression molding machine body (1); a bearing base (7), the bearing base (7) is fixedly mounted on the bottom of the protection box (2); a protection component, the protection component is arranged inside the protection box (2); and an exhaust component, the exhaust component is arranged inside the bearing base (7).

2. The safety protection device for a compression molding machine according to claim 1, characterized in that: The protection assembly comprises: a protection door (3), a spring (302) and a first rack (301); the protection door (3) is hinged on the front side of the protection box (2); the first rack (301) is slidably connected to the upper part of the compression molding machine body (1); and the spring (302) is fixedly mounted on the end of the first rack (301).

3. The safety protection device for a compression molding machine according to claim 1, characterized in that: The protection component further comprises: a transmission gear (303) and a second rack (304); the transmission gear (303) is rotatably connected to the upper part of the molding machine body (1), and the transmission gear (303) and the first rack (301) are meshed with each other; the second rack (304) is slidably connected to the upper part of the molding machine body (1), and the second rack (304) and the transmission gear (303) are meshed with each other.

4. The safety protection device for a compression molding machine according to claim 1, characterized in that: The protection component further comprises: a rotating shaft (305), a torsion spring (306) and a rotating cylinder (307); the rotating shaft (305) is fixedly mounted on the upper part of the compression molding machine body (1); the torsion spring (306) is fixedly mounted on the outside of the rotating shaft (305); and the rotating cylinder (307) is fixedly mounted on the outside of the torsion spring (306).

5. The safety protection device for a compression molding machine according to claim 1, characterized in that: The protection component further comprises: a conductive paddle (308) and a conductive electrode (309), wherein the end of the conductive paddle (308) is rotatably connected to the outside of the rotating shaft (305); the conductive electrode (309) is fixedly mounted inside the compression molding machine body (1), and the conductive electrode (309), the conductive paddle (308) and the compression molding machine body (1) are connected in series to form a switch circuit.

6. The safety protection device for a compression molding machine according to claim 1, characterized in that: The exhaust assembly comprises: a fork-shaped air scoop (202), a louver air outlet (201), an air guide pipe (203) and an air filter box (701); the fork-shaped air scoop (202) is fixedly mounted inside the compression molding machine body (1); the louver air outlet (201) is provided in three groups, and the three groups of louver air outlets (201) are opened on the inner side of the fork-shaped air scoop (202); the air guide pipe (203) is fixedly mounted on the back side of the fork-shaped air scoop (202); the air filter box (701) is fixedly mounted inside the supporting base (7), and the air filter box (701) is fixedly mounted at the end of the air guide pipe (203).

7. The safety protection device for a compression molding machine as claimed in claim 6, characterized in that: The exhaust assembly further comprises: an inspection door (702), an exhaust fan (8) and an exhaust port (801); the inspection door (702) is hinged on the front side of the air filter box (701); the exhaust fan (8) is fixedly mounted inside the supporting base (7), and the exhaust fan (8) is connected to the air filter box (701) via a pipeline; and the exhaust port (801) is provided on the back side of the supporting base (7).

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