Waterproof roll fixed-length cutting mechanism

Abstract

The utility model relates to the technical field of waterproof coiled material processing, and particularly discloses a waterproof coiled material fixed-length cutting mechanism which comprises a first support and a second support, two rotating shafts used for supporting coiled materials are arranged between the first support and the second support, and sliding cutters used for cutting the coiled materials are arranged at the upper ends of the first support and the second support. The outer sides of the rotating shafts are sleeved with a plurality of ring sleeves, the left ends and the right ends of the rotating shafts are slidably connected with the first support and the second support, a cover plate is arranged between the first support and the second support, two positioning plates are slidably arranged at the upper end of the cover plate, and the positioning plates penetrate through the two rotating shafts. The distance between the two rotating shafts is adjusted through the first positioning assembly, coiled materials with different diameters can be supported by the rotating shafts, in the cutting process, the distance between the two positioning plates is adjusted through the second positioning assembly, the coiled materials can be clamped by the two positioning plates, cutting stability is improved, the cut coiled materials can be automatically discharged through the completely-opened rotating shafts, and the cutting efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproofing membrane processing technical field especially relates to a waterproofing membrane fixed length cutting mechanism. BACKGROUND

[0002] The waterproofing membrane is mainly used in building wall, roof, tunnel, highway, landfill site and the like. It is a kind of flexible building material product, can be rolled into roll, to resist the leakage of external rainwater and groundwater. Usually, after the production of waterproofing membrane, a roll of waterproofing membrane is formed, and the subsequent laying needs to be cut according to the width of the laying place.

[0003] For example, the patent with the application number CN202321355150.5 discloses a waterproofing membrane cutting device, which includes a frame, a cutting structure and a driving structure. The waterproofing membrane is placed between the first rotating roller and the second rotating roller, the motor drives the two rotating rollers to rotate, the waterproofing membrane rotates, the transverse moving part drives the lifting part and the cutting knife to move transversely to the corresponding position, the lifting part drives the rotating cutting knife to descend and cut the waterproofing membrane, the driving motor drives the screw to rotate, so that the first moving block and the second moving block on the positive rotation section and the reverse rotation section move away from or close to each other. When the first moving block and the second moving block move away from each other, the distance between the two rotating rollers becomes larger, and the larger waterproofing membrane is placed on the two rotating rollers. When the first moving block and the second moving block move close to each other, the distance between the two rotating rollers becomes smaller, and the smaller waterproofing membrane is placed between the two rotating rollers. Then the cutting is performed by the cutting knife. Through such a setting, it is convenient to cut waterproofing membranes of different sizes. The current placement method of the roll is relatively simple, and the roll is directly placed between the two rotating rollers. Therefore, when cutting, the cutting knife will exert a vertical pressure on the roll. This pressure will cause the roll to be unstable at the moment of cutting, and it is easy to move along the front and rear directions, thereby affecting the stability of the fixed length cutting and causing the cutting length to deviate. SUMMARY

[0004] In view of the above problems, the utility model provides a waterproofing membrane fixed length cutting mechanism to solve the problem that the cutting knife will exert a vertical pressure on the roll when the existing cutting mechanism cuts, which will cause the roll to be unstable at the moment of cutting, and it is easy to move along the front and rear directions, thereby affecting the stability of the fixed length cutting.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a waterproofing membrane fixed length cutting mechanism, which comprises a first support and a second support, two rotating shafts for supporting the roll are arranged between the first support and the second support, a sliding cutter for cutting the roll is arranged at the upper end of the first support and the second support, a plurality of rings are arranged outside the rotating shafts, and the rings are fixedly connected with the rotating shafts.

[0006] The left and right ends of the rotating shafts are slidably connected with the first support and the second support, and the upper end of the first support is provided with a first positioning assembly for adjusting the distance between the two rotating shafts.

[0007] A cover plate is arranged between the first support and the second support, the cover plate is fixedly connected with the first support and the second support, two positioning plates are slidably arranged on the upper end of the cover plate, the positioning plates pass through between the two rotating shafts, and the lower portion of the cover plate is provided with a second positioning assembly for adjusting the distance between the two positioning plates.

[0008] Further improvement lies in that: the top of the cover plate is provided with a guide groove, the positioning plates pass through the guide groove and are slidably connected with the guide groove, and the left and right sides of the guide groove are provided with inclined surfaces extending towards the left and right sides of the cover plate.

[0009] Further improvement lies in that: the first positioning assembly comprises an adjusting groove arranged on the upper end of the first support, two nut seats A are slidably arranged in the adjusting groove, a double-headed screw A is rotatably arranged in the adjusting groove, the two nut seats A are respectively sleeved on the two ends of the double-headed screw A, the double-headed screw A is threadedly connected with the nut seats A, a dial plate for rotating the double-headed screw A is arranged on the outer side of the first support, and the nut seats A are rotatably connected with the rotating shafts.

[0010] Further improvement lies in that: the second positioning assembly comprises a double-headed screw B and a motor, the motor is fixedly connected to the outer side of the first support, the double-headed screw B is arranged below the cover plate, the two ends of the double-headed screw B are rotatably connected with the first support and the second support, the output end of the motor is fixedly connected with the double-headed screw B, two nut seats B are sleeved on the outer side of the double-headed screw B, the nut seats B are threadedly connected with the double-headed screw B, and the two nut seats B are fixedly connected to the lower ends of the two positioning plates.

[0011] Further improvement lies in that: a limiting groove is arranged on the upper end of the second support, two limiting blocks are slidably arranged in the limiting groove, a limiting rod is fixedly arranged in the limiting groove, the limiting blocks are sleeved on the outer side of the limiting rod, the limiting rod is slidably connected with the limiting blocks, and the limiting blocks are rotatably connected with the rotating shafts.

[0012] Further improvement lies in that: the sliding cutter comprises a mounting bracket, the mounting bracket is fixedly connected to the upper ends of the first support and the second support, an adjusting block is slidably arranged on the upper end of the mounting bracket, a pneumatic push rod is fixedly connected to the front surface of the adjusting block, and a rotary cutter is fixedly connected to the output end of the pneumatic push rod.

[0013] Further improvement lies in that: a supporting plate is arranged between the first support and the second support, the supporting plate is arranged below the double-headed screw B, and the supporting plate is fixedly connected with the first support and the second support.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The rotating shaft supports the coiled material through the ring sleeve, and when the sliding cutter falls, the sliding cutter can cut the coiled material through the interval between the two ring sleeves, so that the cutter does not directly collide with the rotating shaft, and the safety is better;

[0016] The rotating shaft can support coiled materials of different diameters by adjusting the distance between the two rotating shafts through the first positioning assembly, and the fully opened rotating shaft can automatically discharge the cut coiled material, and the cutting efficiency is higher.

[0017] The two positioning plates can clamp the coiled material by adjusting the distance between the two positioning plates through the second positioning assembly, thereby improving the cutting stability. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is the structure diagram of the mounting bracket in the utility model.

[0020] Figure 2 is the structure diagram of the first support in the utility model.

[0021] Figure 3 is the structure diagram of the second support in the utility model.

[0022] Figure 4 is the structure diagram of the cover plate in the utility model.

[0023] Among them: 1, the first support; 2, the second support; 3, the rotating shaft; 4, the ring sleeve; 5, the positioning plate; 6, the mounting bracket; 7, the adjusting block; 8, the pneumatic push rod; 9, the rotary cutter; 10, the supporting plate; 11, the adjusting groove; 12, double head screw A; 13, the dial; 14, nut seat A; 15, the limiting groove; 16, the limiting rod; 17, the limiting block; 18, the motor; 19, double head screw B; 20, the cover plate; 21, nut seat B; 22, the guide groove. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] According to Figure 1 , 2 , 3, 4, the embodiment proposes a waterproof roll fixed-length cutting mechanism, which comprises a first support 1 and a second support 2, two rotating shafts 3 for supporting the roll are arranged between the first support 1 and the second support 2, a sliding cutter for cutting the roll is arranged at the upper end of the first support 1 and the second support 2, a plurality of sleeves 4 are arranged outside the rotating shaft 3, and the sleeve 4 is fixedly connected with the rotating shaft 3.

[0026] The waterproof roll to be cut is arranged between the two rotating shafts 3, the rotating shaft 3 supports the roll through the sleeve 4, when the sliding cutter falls, the sliding cutter cuts the roll through the interval between the two sleeves 4, so that the cutter does not directly collide with the rotating shaft 3, and the safety is better.

[0027] The left and right ends of the rotating shaft 3 are slidably connected with the first support 1 and the second support 2, and the first support 1 is provided with a first positioning assembly for adjusting the distance between the two rotating shafts 3.

[0028] A cover plate 20 is arranged between the first support 1 and the second support 2, the cover plate 20 is fixedly connected with the first support 1 and the second support 2, two positioning plates 5 are slidably arranged at the upper end of the cover plate 20, the positioning plate 5 passes through between the two rotating shafts 3, and a second positioning assembly for adjusting the distance between the two positioning plates 5 is arranged below the cover plate 20.

[0029] The distance between the two rotating shafts 3 is adjusted through the first positioning assembly, so that the rotating shaft 3 can support the rolls with different diameters, in the cutting process, the distance between the two positioning plates 5 is adjusted through the second positioning assembly, the roll is clamped by the two positioning plates 5, the cutting stability is improved, the rotating shaft 3 after fully opening can automatically discharge the cut roll, and the cutting efficiency is higher.

[0030] It is worth noting that the top of the cover plate 20 is provided with a guide groove 22, the positioning plate 5 passes through the guide groove 22 and is slidably connected with the guide groove 22, the left and right sides of the guide groove 22 are provided with inclined surfaces, and the inclined surfaces extend towards the left and right sides of the cover plate 20. The sliding cutter cuts the roll, the two rotating shafts 3 are opened, the cut roll falls off between the two rotating shafts 3, and slides along the inclined surfaces at the top of the cover plate 20 to the left and right sides of the first support 1, thereby facilitating unloading.

[0031] The distance between the two rotating shafts 3 is adjusted through the first positioning assembly, specifically, the first positioning assembly comprises an adjusting groove 11 arranged at the upper end of the first support 1, two nut seats A14 are slidably arranged in the adjusting groove 11, a double-headed screw A12 is rotatably arranged in the adjusting groove 11, the two nut seats A14 are respectively sleeved on the two ends of the double-headed screw A12, the double-headed screw A12 is threadedly connected with the nut seat A14, a dial plate 13 for driving the double-headed screw A12 to rotate is arranged outside the first support 1, and the nut seat A14 is rotatably connected with the rotating shaft 3.

[0032] The dial 13 is fixed with the double head screw rod A12 through the connecting shaft. When the dial 13 is shaken, the double head screw rod A12 will also rotate. The double head screw rod A12 is provided with two threads in opposite directions on the outer side. Two nut seats A14 are respectively matched with the two threads. When the double head screw rod A12 rotates, the two nut seats A14 will move in opposite directions along the adjusting groove 11 due to the different rotation directions of the threads on the outer side of the double head screw rod A12. At this time, the rotating shaft 3 will also move.

[0033] The second positioning assembly is used to adjust the distance between the two positioning plates 5. Specifically, the second positioning assembly includes a double head screw rod B19 and a motor 18. The motor 18 is fixedly connected to the outer side of the first support 1. The double head screw rod B19 is arranged below the cover plate 20. The two ends of the double head screw rod B19 are respectively rotatably connected to the first support 1 and the second support 2. The output end of the motor 18 is fixedly connected to the double head screw rod B19. The double head screw rod B19 is provided with two nut seats B21 which are threadedly connected to the double head screw rod B19. The two nut seats B21 are respectively fixedly connected to the lower ends of the two positioning plates 5.

[0034] The second positioning assembly also adopts the screw rod transmission mode to control the two positioning plates 5. Specifically, the motor 18 drives the double head screw rod B19 to rotate. The double head screw rod B19 is matched with the nut seat B21 during rotation, thereby driving the two nut seats B21 to move along the shaft of the double head screw rod B19. Due to the different rotation directions of the threads on the outer side of the double head screw rod B19, the two nut seats B21 will move in opposite directions along the shaft of the double head screw rod B19, thereby adjusting the distance between the two positioning plates 5.

[0035] In order to improve the stability of the rotating shaft 3 during horizontal adjustment, in the preferred scheme, the second support 2 is provided with a limiting groove 15 on the upper end. Two limiting blocks 17 are slidably arranged in the limiting groove 15. A limiting rod 16 is fixedly arranged in the limiting groove 15. The limiting block 17 is sleeved on the outer side of the limiting rod 16. The limiting rod 16 is slidably connected with the limiting block 17. The limiting block 17 is rotatably connected with the rotating shaft 3. When the first positioning assembly drives the rotating shaft 3 to move horizontally from the left side of the rotating shaft 3, the limiting block 17 connected to the right side of the rotating shaft 3 will slide along the limiting groove 15 on the upper end of the second support 2. The limiting rod 16 in the limiting groove 15 will guide the limiting block 17, so that the limiting block 17 will not deviate during sliding, thereby improving the smooth movement of the rotating shaft 3.

[0036] The coiled material is cut by the sliding cutter. Specifically, the sliding cutter comprises a mounting bracket 6 fixedly connected to the upper ends of the first support 1 and the second support 2, an adjusting block 7 slidingly arranged at the upper end of the mounting bracket 6, a pneumatic push rod 8 fixedly connected to the front surface of the adjusting block 7, and a rotary cutter head 9 fixedly connected to the output end of the pneumatic push rod 8. A sliding groove is formed at the top of the mounting bracket 6, and a sliding block and a limiting adjusting mechanism for driving the adjusting block 7 to move horizontally are arranged in the sliding groove. When the adjusting block 7 moves to the cutting point, the pneumatic push rod 8 pushes the rotary cutter head 9 to fall, and the cutter head on the rotary cutter head 9 rotates to cut the coiled material. The sliding cutter is a common technical means in the prior art, and will not be described in detail here.

[0037] To strengthen the structural strength of the first support 1 and the second support 2, in the preferred embodiment, a support plate 10 is arranged between the first support 1 and the second support 2, the support plate 10 is arranged below the double-headed screw B19, and the support plate 10 is fixedly connected to the first support 1 and the second support 2. The bottom portions of the first support 1 and the second support 2 are connected into a whole through the support plate 10, so that the first support 1 and the second support 2 can effectively resist external impact.

[0038] Working principle of the present application:

[0039] The coiled material to be cut is arranged between the two rotating shafts 3, and the rotating shafts 3 support the coiled material through the rings 4. When the sliding cutter falls, the sliding cutter cuts the coiled material through the interval between the two rings 4, so that the cutter does not directly collide with the rotating shafts 3, and the safety is better. The interval between the two rotating shafts 3 can be adjusted through the first positioning assembly, so that the rotating shafts 3 can support coiled materials of different diameters. In the cutting process, the interval between the two positioning plates 5 is adjusted through the second positioning assembly, and the coiled material is clamped by the two positioning plates 5, so that the cutting is stable. The rotating shafts 3 after being fully opened can automatically discharge the cut coiled material, and the cutting efficiency is higher.

[0040] In the description of the present application, it should be noted that the positions or position relationships indicated by the terms "upper", "lower", etc. are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the present application. Unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal connection of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] The foregoing detailed description of the application has been presented for purposes of illustration and description. Various modifications and changes can be made to these embodiments without departing from the spirit and scope of the application. It is intended that the scope of the application should not be limited by the particular representative embodiments described above.

Claims

1. A waterproofing membrane fixed-length cutting mechanism, comprising a first support (1) and a second support (2), two rotating shafts (3) for supporting the membrane are arranged between the first support (1) and the second support (2), and a sliding cutter for cutting the membrane is arranged at the upper end of the first support (1) and the second support (2), characterized in that: A plurality of sleeves (4) are arranged outside the rotating shaft (3), and the sleeves (4) are fixedly connected with the rotating shaft (3); The left and right ends of the rotating shaft (3) are slidably connected with the first support (1) and the second support (2), and the upper end of the first support (1) is provided with a first positioning assembly for adjusting the distance between the two rotating shafts (3); A cover plate (20) is arranged between the first support (1) and the second support (2), and the cover plate (20) is fixedly connected with the first support (1) and the second support (2); two positioning plates (5) are slidably arranged at the upper end of the cover plate (20), the positioning plates (5) pass through between the two rotating shafts (3), and a second positioning assembly for adjusting the distance between the two positioning plates (5) is arranged below the cover plate (20).

2. A mechanism for cutting a waterproofing membrane to a predetermined length as claimed in claim 1 wherein: A guide groove (22) is formed in the top of the cover plate (20), the positioning plates (5) pass through the guide groove (22) and are slidably connected with the guide groove (22), and slope surfaces are arranged on the left and right sides of the guide groove (22) and extend towards the left and right sides of the cover plate (20).

3. A mechanism for cutting a waterproofing membrane to a predetermined length as recited in claim 1, wherein: The first positioning assembly comprises an adjusting groove (11) formed in the upper end of the first support (1), two nut seats A (14) are slidably arranged in the adjusting groove (11), a double-headed screw A (12) is rotatably arranged in the adjusting groove (11), the two nut seats A (14) are respectively sleeved on the two ends of the double-headed screw A (12), the double-headed screw A (12) is threadedly connected with the nut seats A (14), a dial plate (13) for rotating the double-headed screw A (12) is arranged outside the first support (1), and the nut seats A (14) are rotatably connected with the rotating shafts (3).

4. A mechanism for cutting a waterproofing membrane to a predetermined length as recited in claim 1, wherein: The second positioning assembly comprises a double-headed screw B (19) and a motor (18), the motor (18) is fixedly connected outside the first support (1), the double-headed screw B (19) is arranged below the cover plate (20), the two ends of the double-headed screw B (19) are rotatably connected with the first support (1) and the second support (2), respectively, the output end of the motor (18) is fixedly connected with the double-headed screw B (19), two nut seats B (21) are sleeved outside the double-headed screw B (19), the nut seats B (21) are threadedly connected with the double-headed screw B (19), and the two nut seats B (21) are fixedly connected with the lower ends of the two positioning plates (5), respectively.

5. A mechanism for cutting a waterproofing membrane to a predetermined length as recited in claim 3, wherein: A limiting groove (15) is formed in the upper end of the second support (2), two limiting blocks (17) are slidably arranged in the limiting groove (15), a limiting rod (16) is fixedly arranged in the limiting groove (15), the limiting blocks (17) are sleeved outside the limiting rod (16), the limiting rod (16) is slidably connected with the limiting blocks (17), and the limiting blocks (17) are rotatably connected with the rotating shafts (3).

6. A mechanism for cutting a waterproofing membrane to a desired length as recited in claim 1, wherein: The sliding cutter comprises a mounting bracket (6) fixedly connected to the upper ends of the first support (1) and the second support (2), the upper end of the mounting bracket (6) is slidably provided with an adjusting block (7), the front surface of the adjusting block (7) is fixedly connected with a pneumatic push rod (8), and the output end of the pneumatic push rod (8) is fixedly connected with a rotary cutter head (9).

7. A mechanism for cutting a waterproofing membrane to a desired length as recited in claim 4, wherein: A support plate (10) is arranged between the first support (1) and the second support (2), the support plate (10) is arranged below the double-head screw B (19), and the support plate (10) is fixedly connected with the first support (1) and the second support (2).

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