SMC sheet film conveying device

Abstract

The utility model discloses an SMC (Sheet Molding Compound) film conveying device. A transverse supporting seat is arranged on a supporting frame; a plurality of heating rollers are vertically fixed on the support frame, and at least one of the plurality of heating rollers is fixed on the tension adjusting device; a middle supporting frame is arranged on the transverse supporting base, a heating plate and a hot melting supporting plate are fixed to the middle supporting frame, and a clamping driving device is arranged on the heating plate or the hot melting supporting plate and can promote clamping to achieve connection of film connectors. A discharging supporting frame is arranged on the side portion of the supporting frame, a swing frame is arranged at the top of the discharging supporting frame in a hinged mode, at least two vertical hooking parts are arranged on the swing frame, the two vertical hooking parts can achieve conveying lifting and descending through a vertical driving device, and through the arrangement, semi-automatic lifting replacement of a roller-mounted film can be achieved; and the labor intensity of operators is reduced.

Description

Technical Field

[0001] The utility model relates to the field of composite materials, in particular to a SMC sheet film conveying device. Background Art

[0002] As is known to all, in the production process of SMC sheets, a paste scraping device is used to coat a certain thickness of resin paste on the film, and a layer of glass fiber is laid between the two layers of resin paste. After impregnation, calendering and aging, the SMC sheet is obtained.

[0003] During the production process, a film conveying device is required to release the rolled film and then release the film backwards through actions such as stretching. When this action is performed, the technical problems encountered are described as follows:

[0004] 1. When changing the film, the film interface is usually bonded with plastic tape. Because the film is thin, the film transition is uneven during bonding, which will cause subsequent film deviation problems;

[0005] 2. When changing the film, the use of tape bonding takes a long time, resulting in long downtime; Furthermore, when changing the film, because the joint area needs to be reserved for the single-roll film, when there is a lot of film left on the roll, the film needs to be changed, resulting in film waste;

[0006] 3. Since the film in rolls usually weighs about 25 kg, frequent replacement of the film increases the workload of operators and reduces work efficiency.

[0007] 4. During winter production, the film becomes more brittle and more likely to break. However, current film conveying equipment does not have a heating device, which can easily cause film breakage during the pulling and conveying process.

[0008] In view of the technical drawbacks mentioned above, as technicians in this industry, combined with the technical problems encountered in the existing SMC sheet production process, the technical problem that urgently needs to be overcome or solved is to design a conveying device with heating and automatic joint functions, which can effectively solve the various problems existing in the existing technology. Utility Model Content

[0009] In view of the shortcomings of the prior art mentioned above, the purpose of the utility model is to provide an SMC sheet film conveying device, which is equipped with multiple heating rollers to cooperate with each other, so that the film can be conveyed and heated and stretched at the same time. At the same time, a semi-automatic loading and unloading device is provided to effectively assist workers in replacing the rolled materials.

[0010] The specific structure of the utility model is described as follows:

[0011] An SMC sheet film conveying device comprises a support frame, wherein a transverse support seat is arranged on the support frame;

[0012] A plurality of heating rollers are vertically fixed on the support frame, and at least one of the plurality of heating rollers is fixed on the tension adjustment device;

[0013] The lateral support seat is provided with a middle support frame, a heating plate and a hot melt support plate are fixed on the middle support frame, and a clamping drive device is provided on the heating plate or the hot melt support plate;

[0014] A discharge support frame is arranged on the side of the support frame, a swing frame is hingedly arranged on the top of the discharge support frame, at least two vertical hook parts are arranged on the swing frame, and the two vertical hook parts can realize conveying, lifting and lowering through a vertical driving device.

[0015] The lateral support seat is provided with a lateral guide portion, the lateral guide portion is matched with a roller support seat, and a film roller is supported on the roller support seat; the roller support seat is a weighable type.

[0016] A locking and positioning device is arranged between the roller support seat and the transverse guide portion.

[0017] The interior of the swing frame is a hollow structure, and the vertical hook portion is arranged on the swing frame; the vertical hook portion includes a driving screw, and a driven gear plate is arranged to engage with the driving screw, and a vertical screw rod is arranged at the center of the driven gear plate, and the bottom of the vertical screw rod is connected to the vertical hook.

[0018] A heating roller support seat is arranged on the side of the support frame, a transverse guide groove is arranged on the heating roller support seat, an adjustable heating roller is arranged inside the transverse guide groove, a horizontal adjustment screw is arranged through the roller shaft of the adjustable heating roller, and a driving part is arranged on the horizontal adjustment screw.

[0019] A high temperature resistant heat insulating cloth is fixed on one side of the heating plate facing the hot melt support plate. The hot melt support plate is made of polytetrafluoroethylene plate or rubber plate, and the film is bonded by clamping and cooperating between the heating plate and the hot melt support plate.

[0020] The utility model has the following beneficial effects: the utility model is provided with a transverse support seat on the support frame; a plurality of heating rollers are vertically fixed on the support frame and at least one of the plurality of heating rollers is fixed on the tensioning adjustment device; a middle support frame is provided on the transverse support seat, a heating plate and a hot melt support plate are fixed on the middle support frame, a clamping drive device is provided on the heating plate or the hot melt support plate to promote clamping to achieve the connection of the film joint; a unloading support frame is provided on the side of the support frame, a swing frame is hingedly provided on the top of the unloading support frame, at least two vertical hook parts are provided on the swing frame, and the two vertical hook parts can realize conveying, lifting and lowering through the vertical drive device. This arrangement can realize semi-automatic lifting and replacement of roller-mounted films, reducing the labor intensity of operators.

[0021] The structure of the device can promote the efficiency and stability of film conveying, improve the accuracy of film feeding, prevent the film from swaying during conveying, provide a good material supply guarantee for subsequent product forming, and make it more convenient, more efficient and easier to operate when replacing roller-mounted films. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the utility model in a top view of a usage state;

[0025] Figure 3 This is a side view schematic diagram of the utility model in use;

[0026] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of the middle A area;

[0027] Figure 5 for Figure 1 A magnified schematic diagram of the structure of the middle B region;

[0028] Figure 6 for Figure 3 A magnified schematic diagram of the structure of the middle C region;

[0029] Figure 7 It is an enlarged schematic diagram of the heating plate driving structure;

[0030] 1. Support frame, 11. Horizontal support seat, 12. Transverse guide groove, 13. Bottom heating roller, 14. Adjustable heating roller, 141. Roller shaft, 15. Top heating roller, 16. Heating roller support seat, 161. Horizontal guide groove, 2. Film roller, 21. Film roller shaft, 3. Roller support seat, 31. Locking knob, 4. Middle support frame, 41. Top plate, 5. Heating plate, 51. High temperature resistant insulation cloth, 5 2. Hot melt support plate, 53. Vertical drive cylinder, 6. Unloading support frame, 61. Column, 62. Beam, 63. Swing frame, 64. Top reinforcement rod, 65. Vertical reinforcement rod, 7. Vertical hook part, 71. Handwheel, 72. Driving screw, 73. Driven gear plate, 74. Vertical screw, 75. Steel cable, 76. Hook, 8. Horizontal adjustment screw, 81. Heating roller adjustment handwheel, 9. External platform. DETAILED DESCRIPTION

[0031] The present invention is described in detail below. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Example

[0032] The purpose of the utility model is to provide an SMC sheet film conveying device, as shown in the attached drawings, and its specific structure is described as follows: it includes a support frame 1, on which a transverse support seat 11 is provided, and a film roller 2 is respectively provided on the left and right sides of the transverse support seat 11. Further, the transverse support seat 11 is provided with a transverse guide groove 12 as a transverse guide portion, and a roller support seat 3 is plugged and matched on the transverse guide groove 12, and a film roller shaft 21 of the film roller 2 is supported on the roller support seat 3; the roller support seat 3 is a weighable type, and the residual material of the film roller 2 can be accurately obtained through this weighing design. The technicians in this field can also connect the roller support seat 3 with a weighing function to an external alarm device, and the alarm device can be used to warn external personnel to remind them to replace the film roller 2 in time.

[0033] The support frame 1 is vertically fixed with three heating rollers, namely a bottom heating roller 13, an adjustable heating roller 14, and a top heating roller 15. The adjustable heating roller 14 is used for adjusting the horizontal support of the film. The adjustment structure thereof is as follows: Figure 1 , 3As shown in Figures 4 and 5, a heating roller support seat 16 is provided between the bottom heating roller 13 and the top heating roller 15 on the side of the support frame 1. A transverse guide groove 161 is provided on the heating roller support seat 16. An adjustable heating roller 14 is provided inside the transverse guide groove 161. A horizontal adjustment screw 8 is provided through the roller shaft 141 of the adjustable heating roller 14. A heating roller adjustment hand wheel 81 is provided on the horizontal adjustment screw 8 as a driving part. The adjustable heating roller 14 can be adjusted horizontally on the heating roller support seat 16 under the drive of the heating roller adjustment hand wheel 81. This adjustment can realize the stretching and tightening of the film during the film stretching feeding, thereby ensuring the film feeding quality.

[0034] The horizontal support seat 11 is provided with a middle support frame 4, and a top plate 41 is provided on the top of the middle support frame 4. A vertical driving cylinder 53 is fixed on the top plate 41. The force-applying end of the vertical driving cylinder 53 is connected and fixed to the heating plate 5 below the top plate 41. A hot melt support plate 52 is provided below the heating plate 5. The heating plate 5 and the hot melt support plate 52 are clamped under the driving action of the vertical driving cylinder 53. This clamping action is used for hot-melt connection of the film ends of the two film rolls 2. During heating, in order to prevent the heating plate 5 from overheating and affecting the hot-melt part, a high-temperature resistant heat-insulating cloth 51 is provided on one side of the heating plate 5 facing the hot-melt support plate 52. The hot-melt support plate 52 is made of polytetrafluoroethylene plate or rubber plate. The above design can avoid the adhesion of the film and the heating plate 5 on the technical basis of ensuring the stability of the hot-melt connection.

[0035] The side of the support frame 1 is provided with a discharge support frame 6, the top of the discharge support frame 6 is hingedly provided with a crossbeam 62, the crossbeam 62 is provided with a swing frame 63, the swing frame 63 is provided with at least two vertical hooking parts 7, and the two vertical hooking parts 7 can be conveyed, lifted and lowered by a vertical driving device. In this embodiment, the structure for realizing the vertical hooking drive of the vertical hooking part 7 is as follows: Figure 1 , 3As shown in FIGS. 5 and 6, the interior of the swing frame 63 is a hollow structure, and the vertical hooking part 7 is arranged on the swing frame 6; the vertical hooking part includes a driving screw 72 inserted into the swing frame 63, and a driven gear plate 73 is arranged to mesh with the driving screw 72. The outside of the driven gear plate 73 meshes with the driving screw 72, and when it rotates in situ, the teeth at the axis of the driven gear plate 73 mesh with the vertical screw rod 74. The bottom of the vertical screw rod 74 is connected to the vertical hook 76 through a steel cable 75. When the film roller 2 is replaced, the vertical hook 76 can be lowered to hook the film roller shaft 21 on the film roller 2, and then the vertical hook 76 can be driven vertically by screwing the hand wheel 71. After the film roller 2 is hooked, the crossbeam 62 and the swing frame 63 are rotated to place the empty film roller 2 on the external platform 9, and then a new film roller 2 is hooked and placed on the roller support seat 3. After placement, the roller support 3 and the transverse guide groove 12 are locked and positioned by a locking knob 31 provided between the roller support seat 3 and the transverse guide groove 12 .

[0036] The utility model can expand two unloading support frames 6, and can synchronously realize the unloading action of two film rollers 2 arranged on the left and right. Example

[0037] When SMC sheets are actually produced, follow the attached Figure 3 The film is passed through the bottom heating roller 13, the adjustable heating roller 14 and the top heating roller 15 in a state, and the paste scraping device coats a certain thickness of resin paste on the film. A layer of glass fiber is laid between the two layers of resin paste, and the film is formed after being impregnated and calendered.

[0038] After the internal heating roller 13, the adjustable heating roller 14 and the top heating roller 15 are turned on, flattening and heating are achieved. Here, the three rollers are used as flattening rollers, and their temperature is controlled at 25℃+3℃. At this time, the film is heated and kept warm, the flatness of the film is enhanced, and the low-temperature brittleness problem of low-temperature plastic film is also solved.

[0039] By fine-tuning the roller distance, the film can be flattened in a small size adjustment manner, so that the film is in the center position and the film is prevented from deflecting. The film's stretchability is uniform and flatter through the cooperation of the lower heating roller 13, the adjustable heating roller 14, and the top heating roller 15, so that the film is not easy to break and the possibility of deflection is reduced.

[0040] The roller support seat 3 can weigh the weight of the remaining film on the film roller 2. The film usage per unit time can be obtained according to the film conveying speed, thereby obtaining the usable time. When the remaining time is 5 minutes, the heating plate 5 starts heating and the film bonding preparation work starts.

[0041] When the film on the film roller 2 is used for 5 minutes, the sheet machine system and the film conveying system automatically slow down, gradually reducing from 10m / min to 1m / min. When the film on the film roller 2 is used for 1.5 minutes, the sheet machine system and the film conveying system automatically stop.

[0042] The end of the film of the old film roller 2 and the head of the film of the new film roller 2 are placed between the heating plate 5 and the hot melt support plate 52 in turn, and the vertical drive cylinder 53 above the heating plate 5 is turned on. The heating plate 5 is pressed down to hot-melt the old and new films together, and pressed for 5-10 seconds. The heating plate 5 is lifted up, and the bonding of the two films is now complete.

[0043] The old film roller is removed through the unloading support frame 6, and the cross beam 62 and the swing frame 63 are rotated to put down the old film roller.

[0044] The new film roll is grabbed by the vertical hook 76 which can be raised and lowered by the unloading support frame 6, and the crossbeam 62 and the swing frame 63 are rotated to put the new film roll 2 into the film roll position.

[0045] In summary, the utility model is provided with a film sticking device, a film spreading device, a weighing system and a unloading support frame 6, the film changing time is shortened, the production rhythm is more compact, the film is stretched flat, the film sticking part is flatter, and the film deviation is prevented. Through the cooperation of the film roller lifting device, the production quality and efficiency of the SMC sheet are greatly improved, and the production is made more stable and controllable.

Claims

1. A SMC sheet film conveying device, characterized in that: It comprises a support frame, on which a transverse support seat is arranged; A plurality of heating rollers are vertically fixed on the support frame, and at least one of the plurality of heating rollers is fixed on the tension adjustment device; The lateral support seat is provided with a middle support frame, a heating plate and a hot melt support plate are fixed on the middle support frame, and a clamping drive device is provided on the heating plate or the hot melt support plate; A discharge support frame is arranged on the side of the support frame, a swing frame is hingedly arranged on the top of the discharge support frame, at least two vertical hook parts are arranged on the swing frame, and the two vertical hook parts can realize conveying, lifting and lowering through a vertical driving device.

2. The SMC sheet film conveying device according to claim 1, characterized in that: The lateral support seat is provided with a lateral guide portion, the lateral guide portion is matched with a roller support seat, and a film roller is supported on the roller support seat; the roller support seat is a weighable type.

3. The SMC sheet film conveying device according to claim 2, characterized in that: A locking and positioning device is arranged between the roller support seat and the transverse guide portion.

4. The SMC sheet film conveying device according to claim 1, characterized in that: The interior of the swing frame is a hollow structure, and the vertical hook portion is arranged on the swing frame; the vertical hook portion includes a driving screw, and a driven gear plate is arranged to engage with the driving screw, and a vertical screw rod is arranged at the center of the driven gear plate, and the bottom of the vertical screw rod is connected to the vertical hook.

5. The SMC sheet film conveying device according to claim 1, characterized in that: A heating roller support seat is arranged on the side of the support frame, a transverse guide groove is arranged on the heating roller support seat, an adjustable heating roller is arranged inside the transverse guide groove, a horizontal adjustment screw is arranged through the roller shaft of the adjustable heating roller, and a driving part is arranged on the horizontal adjustment screw.

6. The SMC sheet film conveying device according to claim 1, characterized in that: A high temperature resistant heat insulating cloth is fixed on one side of the heating plate facing the hot melt support plate.

7. The SMC sheet film conveying device according to claim 6, characterized in that: The hot-melt support plate is made of a polytetrafluoroethylene plate or a rubber plate, and the film is bonded by clamping and cooperating with the heating plate and the hot-melt support plate.

Images