Plastic vacuum forming machine with preheating function

Abstract

The utility model relates to the field of plastic vacuum forming machines, in particular to a plastic vacuum forming machine with a preheating function, which comprises a plastic vacuum forming machine body. And the conveying assembly and the preheating mechanism are arranged on the left side of the blister machine body and used for conveying and preheating the plastic sheets, and the conveying assembly comprises a supporting frame. According to the plastic vacuum forming machine with the preheating function, due to the arrangement of the conveying assembly and the preheating mechanism, plastic sheets can be preheated in advance, the heating effect is improved, the plastic sheets in the roller are conveyed from the interior of the machine cover, then a heating pipe switch in the heating box is turned on, and the heating effect is improved. Then the fan is turned on to blow air into the heating box, so that the air in the heating box is changed into hot air, the hot air enters the hood from the conveying pipe to preheat the conveyed plastic sheet, the preheating temperature does not need to be too high, the plastic sheet is conveyed conveniently, then the plastic sheet is directly conveyed to the position above the lower mold through the conveying compression roller, and the conveying efficiency is improved. And preheating is continued, and then plastic uptake forming can be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to blister machine field, concretely relates to a blister machine with preheating function. BACKGROUND

[0002] Blister forming is one of thermoplastic hot forming methods, that is, sheet or plate-shaped material is clamped on the frame of a vacuum forming machine, heated and softened, and then sucked onto the mold through the air passage of the mold edge by vacuum, and the molded plastic product is obtained after short time cooling, and the blister forming is the blister machine we often talk about.

[0003] After retrieval, a utility blister machine with preheating function (CN222178660U) is related to the field of blister machines, comprising a supporting bottom block, the bottom surface of the supporting bottom block is uniformly connected with a bottom pad, the top surface of the supporting bottom block is fixedly provided with a processing top box, one side of the processing top box is fixedly connected with a control panel, both sides of the processing top box are symmetrically provided with side through grooves, the inner side of the side through groove is horizontally connected with an isolation rubber plate, the top surface of the processing top box is fixedly provided with a top air cylinder, both sides of the supporting bottom block are horizontally and symmetrically welded with a horizontal supporting plate, the top surface of the horizontal supporting plate is horizontally and symmetrically provided with a guide groove, the top surface of the guide groove is horizontally connected with a moving bottom plate, the bottom surface of the supporting bottom block is uniformly provided with a bottom screw hole, the sealing preheating structure greatly improves the blister processing efficiency, and the horizontal alternating feeding structure further improves the blister efficiency.

[0004] The existing blister machine directly heats the aligned plastic sheet through the heating plate after conveying the plastic sheet to the upper side of the blister mold, which directly heats the mold without preheating, not only delays the heating time, but also affects the work progress, and the blister machine with preheating function in the above-mentioned comparative example also heats the plastic sheet on the mold through the heating pipe inside the top plate after conveying the plastic sheet to the upper side of the mold, which also delays the heating time and affects the efficiency of plastic forming.

[0005] Therefore, it is necessary to invent a blister machine with preheating function to solve the above problems. Utility model content

[0006] The utility model discloses a purpose lies in providing a kind of blistering machine with preheating function, by the plastic sheet in roller is conveyed from the inside of machine cover, after by opening the heating pipe switch inside heating box, then opening fan blows into heating box, so that the wind in heating box becomes hot air, hot air is entered into machine cover from conveying pipe, preheating treatment is carried out to the plastic sheet being conveyed, and the temperature of preheating need not be too high, to facilitate conveying plastic sheet, after by conveying pressure roller, plastic sheet is directly conveyed to the upper of lower mould, continue preheating, then blistering forming can be carried out, to solve the blistering machine in the above background art, after conveying plastic sheet is conveyed to the upper of blistering mould, directly by heating plate, plastic sheet is heated in alignment, and directly heating on mould in this way, without preheating in advance, not only delay heating time, while also affect the problem of work progress.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of blistering machine with preheating function, including blistering machine body;

[0008] Conveying component and preheating mechanism, setting in the left side of blistering machine body, for conveying plastic sheet and preheating, the conveying component includes support frame, the preheating mechanism includes machine cover, the machine cover is fixed above support frame, the top of the machine cover is fixedly connected with conveying pipe, the other end of the conveying pipe is fixedly connected with heating box, the inside of the heating box is provided with heating pipe, the outside of the heating pipe is fixedly provided with fan;

[0009] Lower mould, setting in the inside of blistering machine body, the bottom of the blistering machine body is fixedly provided with hydraulic cylinder, the output of the hydraulic cylinder is fixedly connected with lower mould below, the upper end of the blistering machine body is fixedly connected with top plate, the right side of the blistering machine body is provided with cylinder, the lower end of the cylinder is fixedly connected with pressing plate;

[0010] Preheating mechanism, installation is in the inside of blistering machine body and below top plate, for preheating.

[0011] Preferably, the support frame is fixedly installed on the left side of the blistering machine body, and the front side of the support frame is rotatably connected with a roller.

[0012] Preferably, the machine cover is arranged between the roller and the conveying pressure roller, and the rear side of the machine cover is fixedly connected with the heating box.

[0013] Preferably, the preheating mechanism comprises a fixed frame, the fixed frame is fixed below the top plate, a driving motor is fixedly arranged on the right side of the top plate, an output end of the driving motor is fixedly connected with a lead screw, the lead screw is externally threadedly connected with a moving seat, a movable rod is hingedly connected below the moving seat, and another end of the movable rod is hingedly connected with a heating frame.

[0014] Preferably, the upper four corners of the heating frame are fixedly connected with sliding rods, the sliding rods are slidably connected with the top plate, the inside of the heating frame is provided with sliding grooves on the two side surfaces, and the heating plates are slidably connected in the sliding grooves.

[0015] Preferably, the lead screws and the moving seats are each provided with two groups, the threads of the two groups of lead screws are opposite, and the two groups of lead screws are weldedly connected.

[0016] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0017] 1. Through the setting of the conveying assembly and the preheating mechanism, the plastic sheet can be preheated in advance, the heating effect is improved, the plastic sheet in the roller is conveyed from the machine cover, then the heating pipe switch in the heating box is opened, the fan is opened, air is blown into the heating box, the air in the heating box is changed into hot air, the hot air enters the machine cover from the conveying pipe, the plastic sheet being conveyed is preheated, the preheating temperature does not need to be too high, so that the plastic sheet is conveniently conveyed, then the plastic sheet is directly conveyed to the upper side of the lower mold through the conveying pressure roller, preheating is continued, then vacuum forming can be carried out;

[0018] 2. Through the setting of the preheating mechanism, the height of the heating plate can be adjusted, the preheating efficiency of the plastic sheet is improved, the driving motor switch is opened, the lead screw is driven to rotate, the threads on the two sides of the lead screw are opposite, so that the two groups of moving seats are driven to move in threads, and the movable rod under the moving seat drives the heating frame and the lower heating plate to move up and down during the movement of the moving seat, so that the distance between the heating plate and the plastic sheet on the surface of the lower mold is adjusted, and the heating effect of the plastic sheet is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a preheating mechanism structure schematic view of the utility model;

[0022] Figure 3 It is a vacuum forming machine body structure schematic view of the utility model;

[0023] Figure 4The preheating mechanism structural schematic view of the utility model;

[0024] Figure 5 The heating frame structural schematic view of the utility model.

[0025] Mark explanation:

[0026] 1, blister machine body; 2, conveying assembly; 201, support frame; 202, roller; 203, conveying pressure roller; 3, preheating mechanism; 301, machine cover; 302, conveying pipe; 303, heating box; 304, heating pipe; 305, fan; 4, hydraulic cylinder; 5, lower mold; 6, top plate; 7, preheating mechanism; 701, fixed frame; 702, driving motor; 703, screw; 704, moving seat; 705, movable rod; 706, heating frame; 707, sliding rod; 708, sliding groove; 709, heating plate; 710, handle; 8, air cylinder; 9, pressing plate. Specific implementation

[0027] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0028] The utility model provides a kind of blister machine with preheating function as Figures 1-5 As shown in a kind of blister machine with preheating function, including blister machine body 1;

[0029] Conveying assembly 2 and preheating mechanism 3 are set at the left side of blister machine body 1, for conveying plastic sheet and preheating, conveying assembly 2 includes support frame 201, and preheating mechanism 3 includes machine cover 301, and machine cover 301 is fixed above support frame 201, and the top of machine cover 301 is fixedly connected with conveying pipe 302, and the other end of conveying pipe 302 is fixedly connected with heating box 303, and heating box 303 is provided with heating pipe 304 in the inside, and the outside of heating pipe 304 is fixedly provided with fan 305;

[0030] Lower mold 5 is set in the inside of blister machine body 1, and the bottom of blister machine body 1 is fixedly provided with hydraulic cylinder 4, and the output end of hydraulic cylinder 4 is fixedly connected below lower mold 5, and the upper end of blister machine body 1 is fixedly connected with top plate 6, and the right side of blister machine body 1 is provided with air cylinder 8, and the lower end of air cylinder 8 is fixedly connected with pressing plate 9;

[0031] The preheating mechanism 7 is installed below the top plate 6 inside the blister machine body 1, and is used for preheating. The plastic sheet in the roller 202 is conveyed from the machine cover 301, and then the heating pipe 304 switch inside the heating box 303 is opened, and then the fan 305 is opened to blow air into the heating box 303, so that the air in the heating box 303 becomes hot air. The hot air enters the machine cover 301 from the conveying pipe 302, and the plastic sheet being conveyed is preheated. The temperature of the preheating does not need to be too high, so as to facilitate the conveying of the plastic sheet. Then the plastic sheet is conveyed to the top of the lower mold 5 by the conveying pressure roller 203, and then the preheating is continued, and then the blister forming can be carried out.

[0032] As shown in Figure 1 and Figure 2 , the support frame 201 is fixedly installed on the left side of the blister machine body 1, and the front side of the support frame 201 is rotatably connected with the roller 202, and the rear side of the support frame 201 is fixedly provided with the conveying pressure roller 203. The plastic sheet is conveyed by the roller 202, and the plastic sheet is preheated during the conveying process. After preheating, the plastic sheet is conveyed to the top of the lower mold 5 by the conveying pressure roller 203.

[0033] As shown in Figure 2 , the machine cover 301 is arranged between the roller 202 and the conveying pressure roller 203, and the rear side of the machine cover 301 is fixedly connected with the heating box 303. The plastic sheet is conveyed by the roller 202 to between the conveying pressure roller 203, and the hot air is blown into the machine cover 301 by the cooperation of the machine cover 301 and the heating box 303 to preheat the conveyed plastic sheet.

[0034] As shown in Figure 1 , Figure 3 , Figure 4 and Figure 5 , the preheating mechanism 7 comprises a fixed frame 701, and the fixed frame 701 is fixed below the top plate 6. The right side of the top plate 6 is fixedly provided with a driving motor 702, the output end of the driving motor 702 is fixedly connected with a lead screw 703, the outer thread of the lead screw 703 is connected with a moving seat 704, the lower side of the moving seat 704 is hingedly connected with a movable rod 705, the other end of the movable rod 705 is hingedly connected with a heating frame 706. By opening the switch of the driving motor 702, the lead screw 703 is driven to rotate, thereby driving the two groups of moving seats 704 to move in threads. The moving seat 704 moves to drive the movable rod 705 below the moving seat 704 to push the heating frame 706 and the heating plate 709 below to lift, so as to adjust the distance between the heating plate 709 and the plastic sheet on the surface of the lower mold 5, thereby improving the heating effect of the plastic sheet.

[0035] As shown in Figure 4 and Figure 5As shown, the upper four corners of the heating frame 706 are fixedly connected with slide rods 707, the slide rods 707 are slidably connected with the top plate 6, the inner sides of the heating frame 706 are provided with sliding grooves 708, the sliding grooves 708 are slidably connected with heating plates 709, the front ends of the heating plates 709 are fixedly connected with handles 710, and in the lifting process of the heating frame 706, the stability of the heating frame 706 in the lifting process can be enhanced through the upper slide rods 707, and the heating frame 706 is slidably connected with the heating plates 709, so that the heating plates 709 can be conveniently disassembled and installed.

[0036] As shown in the drawings, Figure 5 Two groups of the lead screws 703 and the moving seats 704 are provided, the threads of the two groups of the lead screws 703 are opposite, the two groups of the lead screws 703 are weldedly connected, the two groups of the moving seats 704 can be simultaneously moved close to or away from each other through the threads of the two groups of the lead screws 703 being opposite, so that the whole heating frame 706 is pushed to lift.

[0037] The working principle is as follows: first, the external power supply is connected, then the external plastic sheet is pulled out and placed in the roller 202, then the heating pipe 304 switch inside the heating box 303 is turned on, then the fan 305 is turned on to blow air into the heating box 303, so that the air in the heating box 303 becomes hot air, the hot air enters the machine cover 301 from the conveying pipe 302, and the plastic sheet being conveyed is preheated, and the preheating temperature does not need to be too high, so that the plastic sheet can be conveniently conveyed, then the plastic sheet is directly conveyed to the upper side of the lower mold 5 through the conveying pressure roller 203, then the heating plate 709 switch is turned on, the right side drive motor 702 switch below the top plate 6 is turned on, the lead screw 703 is driven to rotate, the threads of the two sides of the lead screw 703 are opposite, so that the two groups of the moving seats 704 are driven to move in threads, and the moving seat 704 moves to drive the movable rod 705 below the moving seat 704 to push the heating frame 706 and the heating plate 709 below to lift, so that the distance between the heating plate 709 and the plastic sheet on the surface of the lower mold 5 is adjusted, and the heating effect of the plastic sheet is improved, when the plastic sheet after heating is heated, the drive motor 702 is turned on again to drive the lead screw 703 to rotate in the opposite direction, the heating frame 706 and the heating plate 709 are lifted to the highest position, then the air cylinder 8 switch on the right side of the plastic suction machine body 1 is turned on to push the pressing plate 9 to compact the plastic sheet on the right side, then the vacuum pump below the lower mold 5 is used to suck multiple holes inside the lower mold 5, so that the plastic sheet is adsorbed outside the lower mold 5 to be formed, when the formed plastic is cooled, the hydraulic cylinder 4 switch is turned on to drive the lower mold 5 to descend, so that the formed plastic is demolded, finally the formed plastic is conveyed away, then the preheated plastic sheet is continuously conveyed and heated to be formed, when the device is not used, all electrical equipment is turned off, and the external power supply is cut off, and the use process of the plastic suction machine with the preheating function is completed.

[0038] Certain exemplary embodiments of the present application have been described above by way of illustration, and it is to be understood that certain modifications can be made without departing from the spirit and scope of the application. Therefore, the above description and illustrations should not be construed in a limiting sense as the scope of the present application should be limited only by the appended claims.

Claims

1. A blister machine with preheating function, characterized in that: It include blister machine body (1); The conveying assembly (2) and the preheating mechanism (3) are arranged on the left side of the blister machine body (1), and are used for conveying plastic sheet and preheating, the conveying assembly (2) includes support frame (201), the preheating mechanism (3) includes machine cover (301), the machine cover (301) is fixed above the support frame (201), the top of the machine cover (301) is fixedly connected with the conveying pipe (302), the other end of the conveying pipe (302) is fixedly connected with the heating box (303), the inside of the heating box (303) is provided with heating pipe (304), the outside of the heating pipe (304) is fixedly provided with fan (305); The lower mold (5) is arranged in the inside of the blister machine body (1), the bottom of the blister machine body (1) is fixedly provided with a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected with the lower mold (5) below, the upper end of the blister machine body (1) is fixedly connected with the top plate (6), the right side of the blister machine body (1) is provided with air cylinder (8), the lower end of the air cylinder (8) is fixedly connected with the pressing plate (9); The preheating mechanism (7) is installed inside the blister machine body (1) and below the top plate (6), and is used for preheating.

2. The blister machine with pre-heating function according to claim 1, characterized in that: The support frame (201) is fixedly installed on the left side of the blister machine body (1), the front side of the support frame (201) is rotatably connected with the roller (202), the rear side of the support frame (201) is fixedly provided with the conveying compression roller (203).

3. The blister card machine with pre-heating function according to claim 1, wherein: The machine cover (301) is arranged between the roller (202) and the conveying compression roller (203), and the rear side of the machine cover (301) is fixedly connected with the heating box (303).

4. The blister card machine with pre-heating function according to claim 1, wherein: The preheating mechanism (7) includes a fixed frame (701), the fixed frame (701) is fixed below the top plate (6), the right side of the top plate (6) is fixedly provided with a driving motor (702), the output end of the driving motor (702) is fixedly connected with a lead screw (703), the outside of the lead screw (703) is threadedly connected with a moving seat (704), the lower side of the moving seat (704) is hingedly connected with a movable rod (705), the other end of the movable rod (705) is hingedly connected with a heating frame (706).

5. The blister card machine with pre-heating function according to claim 4, wherein: The upper side of the heating frame (706) is fixedly connected with a sliding rod (707), the sliding rod (707) is slidably connected with the top plate (6), the inside of the heating frame (706) is provided with a sliding groove (708) on the two side surfaces, the inside of the sliding groove (708) is slidably connected with a heating plate (709), the front end of the heating plate (709) is fixedly connected with a handle (710).

6. The blister card machine with pre-heating function according to claim 4, wherein: The lead screw (703) and the moving seat (704) are each provided with two groups, the threads of the two groups of lead screws (703) are opposite, and the two groups of lead screws (703) are weldedly connected.

Images