Foam film cutting machine

Abstract

The utility model provides a foam film cutting machine which comprises a base, and an unwinding mechanism, a conveying mechanism, a first pressing mechanism, a second pressing mechanism and a cutting mechanism are arranged on the base. The second downward pressing mechanism comprises a support, a working platform, a downward pressing plate and a downward pressing driving assembly, the working platform is provided with a horizontal plane and a slope surface, the downward pressing plate is matched with the horizontal plane of the working platform, the lower end of the downward pressing driving assembly is connected with the downward pressing plate, and the upper end of the downward pressing driving assembly is installed on the support; the cutting mechanism comprises a cutting knife, a sliding rail, a sliding table and a second driving motor. Cutting grooves allowing the cutting knife to pass through are formed in the working platform and the lower pressing plate. According to the foam film cutting machine, foam is compacted for the first time through the roller of the first downward pressing mechanism, then the foam is compacted in place through the downward pressing plate of the second downward pressing mechanism, the foam is prevented from being warped, the foam is cut after reaching the needed thickness and being in a flat state, the flatness of a cut face is guaranteed, and the cutting precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging material cutting technical field, especially a kind of foam film cutting machine. BACKGROUND

[0002] Foam is the material that plastic particle is formed by foaming, and foam is divided into PU foam, antistatic foam, conductive foam, EPE, antistatic EPE, CR, EVA, bridging PE, SBR, EPDM etc..Foam has a series of characteristics such as elasticity, light weight, quick pressure-sensitive fixing, convenient use, bending freely, volume ultra-thin, reliable performance.

[0003] In the processing of foam, foam board is first cut into strip by slitting machine, and then the strip-shaped foam is cut into the foam block of required size.Due to the softness of foam material, in order to ensure the flatness of cutting surface during cutting, it is usually necessary to use press roller to press it thin before cutting.

[0004] The current film cutting machine usually uses press roller to press once in place, and then cuts.But, only using the foam pressed by press roller has the tendency of upwarping, which can cause cutting error;And, press roller cannot be pressed to the required thickness at one time, which can easily cause the problem of uneven thickness;In addition, the existing film cutting machine has complex structure, low degree of automation and large floor area. UTILITY MODEL CONTENT

[0005] In view of the above-mentioned shortcomings of prior art, the purpose of the utility model is to provide a kind of foam film cutting machine, to solve the problem that the foam pressed by press roller in prior art is easy to upwarp, causing cutting error.

[0006] To achieve the above-mentioned purpose and other related purposes, the utility model provides a kind of foam film cutting machine, including base, the base is equipped with:

[0007] Unwinding mechanism for unwinding foam;

[0008] Conveying mechanism, including two rotating rollers and conveying belt sleeved outside the two rotating rollers, the two rotating rollers are drivingly connected and one of the two rotating rollers is connected with the first driving motor;

[0009] First pressing mechanism, including two third rollers rotatably arranged, two third rollers are respectively arranged above two rotating rollers;

[0010] Second pressing mechanism, including bracket, working platform, pressing plate and pressing drive assembly, the working platform has horizontal surface and inclined surface, the pressing plate is matched with the horizontal surface of working platform, the lower end of the pressing drive assembly is connected with the pressing plate, and the upper end of the pressing drive assembly is installed on the bracket;

[0011] The cutting mechanism comprises a cutting knife, a sliding rail, a sliding table and a second driving motor, the sliding rail is installed on a support, the cutting knife is slidably installed on the sliding rail through the sliding table and the second driving motor, and a cutting groove for the cutting knife is formed in the working platform and the lower pressing plate.

[0012] In an embodiment of the utility model, the lower pressing plate is provided with a sensor for measuring the position of the foam.

[0013] In an embodiment of the utility model, the lower pressing driving assembly comprises a third driving motor installed on the support, a rotating shaft connected with the output shaft of the third driving motor and a connecting rod structure connected with the rotating shaft, and the lower end of the connecting rod structure is connected with the lower pressing plate.

[0014] In an embodiment of the utility model, a guide platform is further arranged between the conveying mechanism and the unwinding mechanism, guide blocks are arranged on both sides of the guide platform, the guide blocks sequentially comprise a first section and a second section along the conveying direction of the foam, the second section is parallel to the conveying direction of the foam, and the first section expands outwardly towards the unwinding mechanism.

[0015] In an embodiment of the utility model, a plurality of second rollers are arranged on the unwinding mechanism close to the guide platform, and the axis of the second roller is parallel to the guide platform.

[0016] In an embodiment of the utility model, the base is provided with a material frame on one side close to the working platform.

[0017] In an embodiment of the utility model, the bottom of the base is provided with universal wheels and fixing feet.

[0018] In an embodiment of the utility model, the base is provided with a push handle on one side close to the unwinding mechanism.

[0019] As described above, the foam film cutting machine has the following beneficial effects:

[0020] 1. The foam film cutting machine first compacts the foam through the roller of the first lower pressing mechanism, then compacts the foam to the right position through the lower pressing plate of the second lower pressing mechanism, avoids the foam from being raised, accurately compacts the foam to the required thickness, and cuts the foam after the foam is in a flat state, thereby ensuring the flatness of the cutting surface and improving the cutting precision.

[0021] 2. The guide platform and the guide blocks can guide the planar conveying of the foam, avoid the foam from being skewed left and right during the conveying process, and improve the cutting precision of the foam.

[0022] 3. The foam cutting machine has simple structure, can adapt to foams with different thicknesses, has high automation degree, reduces manual operation, occupies small area and has wide adaptation range. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Structure diagram of the foam film cutting machine disclosed in the embodiment of the utility model Figure 1 .

[0024] Figure 2 Structure diagram of the foam film cutting machine disclosed in the embodiment of the utility model Figure 2 .

[0025] Figure 3 Disassembly diagram of the foam film cutting machine disclosed in the embodiment of the utility model.

[0026] Figure 4 Structure diagram of the second lower pressing mechanism disclosed in the embodiment of the utility model.

[0027] Element number explanation

[0028] 1, base; 11, universal wheel; 12, fixed foot; 13, push handle; 2, unwinding mechanism; 21, first roller; 22, second roller; 3, guide platform; 31, guide block; 4, conveying mechanism; 41, rotating roller; 42, conveying track; 5, first lower pressing mechanism; 51, third roller; 6, second lower pressing mechanism; 61, support; 62, working platform; 63, lower pressing plate; 64, lower pressing driving assembly; 65, sensor; 66, cutting groove; 7, cutting mechanism; 71, cutting knife; 72, sliding rail; 73, sliding table; 8, material frame; 9, foam. DETAILED DESCRIPTION

[0029] The implementation of the utility model will be described by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0030] Please refer to Figures 1-3 , the utility model provides a kind of foam film cutting machine, including base 1, the base 1 is sequentially provided unwinding mechanism 2, guide platform 3, conveying mechanism 4, first lower pressing mechanism 5, second lower pressing mechanism 6 and cutting mechanism 7. Wherein:

[0031] The unwinding mechanism 2 comprises a plurality of first rollers 21 arranged in rotation, the axes of the first rollers 21 are parallel and the first rollers 21 are arranged in an arc shape, the foam 9 is placed on the first rollers 21 and can rotate on the first rollers 21, so as to realize unwinding of the foam 9. Moreover, the unwinding mechanism 2 is further provided with a plurality of second rollers 22 at a position close to the guide platform 3, the axes of the second rollers 22 are parallel to the guide platform 3, one end of the foam 9 passes between the second rollers 22 and can be preliminarily pressed down by the second rollers 22, so that the foam 9 is laid on the guide platform 3.

[0032] The guide platform 3 is arranged between the conveying mechanism 4 and the unwinding mechanism 2, referring to Figure 3 , the guide platform 3 is provided with guide blocks 31 on both sides, the guide blocks 31 sequentially comprise a first section and a second section along the conveying direction of the foam 9, the second section is parallel to the conveying direction of the foam 9, and the first section expands outwardly towards the unwinding mechanism 2. After the foam 9 is output from the gap between the second rollers 22, the foam 9 is conveyed along the guide platform 3 to the conveying mechanism 4, the guide blocks 31 on both sides of the guide platform 3 can well guide and position the foam 9 thereon, so as to avoid the foam 9 from being skewed left and right during the conveying process.

[0033] Referring to Figure 1 and 3 , the conveying mechanism 4 comprises two rotating rollers 41 and a conveying belt 42 sleeved outside the two rotating rollers 41, the two rotating rollers 41 are drivingly connected and one of the rotating rollers 41 is connected with the first driving motor. The first pressing mechanism 5 is arranged above the conveying mechanism 4, the first pressing mechanism 5 comprises two third rollers 51 arranged in rotation, and the two third rollers 51 are respectively arranged above the two rotating rollers 41. The rollers of the first pressing mechanism 5 and the rotating rollers 41 are clamped together, so as to realize first compaction of the foam 9 and thin the thickness of the foam 9; and the conveying belt 42 forwards to drive the foam 9, so that the foam 9 moves forward.

[0034] Referring to Figures 2-4The second pressing mechanism 6 is arranged at the outlet end of the conveying mechanism 4, and the second pressing mechanism 6 comprises a support 61, a working platform 62, a pressing plate 63 and a pressing driving assembly 64; the support 61 is arranged above the working platform 62; the working platform 62 has a horizontal surface and an inclined surface, wherein the horizontal surface is close to the conveying mechanism 4; the pressing plate 63 is matched with the horizontal surface of the working platform 62, and the second pressing of the foam 9 is realized by the downward pressing of the pressing plate 63; the lower end of the pressing driving assembly 64 is connected with the pressing plate 63, and the upper end of the pressing driving assembly 64 is arranged on the support 61; the lifting control and the pressing strength control of the pressing plate 63 are realized by the pressing driving assembly 64. The sensor 65 for measuring the position of the foam is arranged on the pressing plate 63, and the sensor 65 feeds back signals to the pressing driving assembly 64, so that the lifting of the pressing driving assembly 64 and the thickness adjustment of the foam 9 after being pressed are realized.

[0035] The pressing driving assembly 64 comprises a third driving motor arranged on the support 61, a rotating shaft connected with the output shaft of the third driving motor and a connecting rod structure connected with the rotating shaft, and the lower end of the connecting rod structure is connected with the pressing plate 63.

[0036] Reference Figure 4 The cutting mechanism 7 comprises a cutting knife 71, a sliding rail 72, a sliding table 73 and a second driving motor; the sliding rail 72 is arranged on the support 61; the cutting knife 71 is slidably arranged on the sliding rail 72 through the sliding table 73 and the second driving motor; and the working platform 62 and the pressing plate 63 are provided with a cutting groove 66 for the cutting knife 71.

[0037] In an embodiment of the utility model, the base 1 is provided with a material frame 8 on the side close to the working platform 62, which is used for receiving the foam 9 after being cut and falling down.

[0038] In an embodiment of the utility model, the bottom of the base 1 is provided with universal wheels 11 and fixed feet 12; and the base 1 is provided with a push handle 13 on the side close to the unwinding mechanism 2, which facilitates the movement of the whole foam film cutting machine.

[0039] Usage: the whole foam 9 is arranged in the unwinding mechanism 2, and one end of the foam 9 passes below the second roller 22, is preliminarily pressed by the second roller 22 and is laid flat on the guide platform 3, then the foam 9 is clamped between the third roller 51 and the conveying belt 42 and is pressed for the first time, and the foam 9 pressed for the first time is conveyed to the second pressing mechanism 6 under the driving of the conveying belt 42; when the sensor 65 detects the position, the pressing plate 63 is pressed downward under the action of the pressing driving assembly 64, so that the foam is pressed for the second time accurately and the thickness of the foam reaches the set thickness; then the cutting knife 71 is cut along the cutting groove 66 under the action of the second driving motor, so that the foam after being pressed is cut, and the cut foam falls into the material frame 8.

[0040] In summary, the first foam film cutting machine is compacted by the first down pressure mechanism roller to the foam, and then the second down pressure mechanism down pressure plate is used to compact the foam in place, so that the foam is prevented from being raised, the foam is cut after reaching the required thickness and being in a flat state, the flatness of the cutting surface is ensured, and the cutting precision is improved. Therefore, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0041] In the specification, the terms such as "upper", "lower", "left", "right", "front", "rear", "intermediate", and "one" are only for the convenience of clear description, and are not used to limit the scope of the utility model. The change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change in technical content.

[0042] The above embodiments only exemplarily illustrate the principles and effects of the utility model, and are not used to limit the utility model. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A foam film cutting machine characterized by, The base is provided with: The unwinding mechanism is used for unwinding the foam; The conveying mechanism includes two rotating rollers and a conveying belt sleeved outside the two rotating rollers, the two rotating rollers are transmissionally connected, and one of the two rotating rollers is connected with the first driving motor; The first pressing mechanism includes two third rollers rotationally arranged, and the two third rollers are arranged above the two rotating rollers respectively; The second pressing mechanism includes a support, a working platform, a pressing plate and a pressing driving assembly, the working platform has a horizontal surface and an inclined surface, the pressing plate is matched with the horizontal surface of the working platform, the lower end of the pressing driving assembly is connected with the pressing plate, and the upper end of the pressing driving assembly is installed on the support; The cutting mechanism includes a cutting knife, a sliding rail, a sliding table and a second driving motor, the sliding rail is installed on the support, the cutting knife is slidingly installed on the sliding rail through the sliding table and the second driving motor, and the working platform and the pressing plate are provided with a cutting groove for the cutting knife.

2. The foam film cutting machine of claim 1, wherein, The pressing plate is provided with a sensor for measuring the position of the foam.

3. The foam film cutting machine of claim 1, wherein, The pressing driving assembly includes a third driving motor installed on the support, a rotating shaft connected with the output shaft of the third driving motor and a connecting rod structure connected with the rotating shaft, and the lower end of the connecting rod structure is connected with the pressing plate.

4. The foam film cutting machine according to any one of claims 1-3, characterized in that, The conveying mechanism and the unwinding mechanism are further provided with a guide platform, two sides of the guide platform are respectively provided with guide blocks, the guide blocks sequentially include a first section and a second section along the conveying direction of the foam, the second section is parallel to the conveying direction of the foam, and the first section expands outward in the direction of the unwinding mechanism.

5. The foam film cutting machine of claim 4, wherein, The unwinding mechanism is provided with a plurality of second rollers near the guide platform, and the axis of the second roller is parallel to the guide platform.

6. The foam film cutting machine of claim 1, wherein, The base is provided with a material frame on one side close to the working platform.

7. The foam film cutting machine of claim 1, wherein, The bottom of the base is provided with universal wheels and fixing feet.

8. The foam film cutting machine of claim 7, wherein, The base is provided with a push handle on one side close to the unwinding mechanism.

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