CN222792576U - Roller changing device for tape casting machine - Google Patents
Roller changing device for tape casting machine Download PDFInfo
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- CN222792576U CN222792576U CN202421746459.1U CN202421746459U CN222792576U CN 222792576 U CN222792576 U CN 222792576U CN 202421746459 U CN202421746459 U CN 202421746459U CN 222792576 U CN222792576 U CN 222792576U
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Abstract
本实用新型公开了一种流延机换辊装置，包括组成装置框架的第一移动架和第二移动架，所述第一移动架和第二移动架的下端均设置有便于对辊进行夹紧的夹紧组件；所述夹紧组件包括多个固定块，多个所述双向螺杆的外侧均转动连接有对称分布的两个T形块，本实用新型通过将取出辊的位置设置在辊的上端，便于对不同位置的辊进行取出，液压伸缩杆控制夹紧组件的高度，便于装置在拆除前后的移动，同时使装置可以适用于不同高度的辊的拆除，电机带动双向螺杆进行旋转，双向螺杆与T形块之间发生螺纹运动，控制两侧的T形块进行夹紧和松开，这样可以使装置适用于不同直径的辊的拆除，T形块在移动时，滑槽对T形块起到导向和限位的作用。
The utility model discloses a roller changing device for a casting machine, comprising a first moving frame and a second moving frame constituting a frame of the device, wherein the lower ends of the first moving frame and the second moving frame are both provided with a clamping assembly for clamping the roller; the clamping assembly comprises a plurality of fixed blocks, and the outer sides of a plurality of the bidirectional screws are rotatably connected with two symmetrically distributed T-shaped blocks, and the utility model is convenient for taking out rollers at different positions by setting the position of taking out rollers at the upper end of the rollers, and a hydraulic telescopic rod controls the height of the clamping assembly, and is convenient for moving the device before and after removal, and at the same time, the device can be suitable for removing rollers of different heights, and a motor drives the bidirectional screw to rotate, and a threaded movement occurs between the bidirectional screw and the T-shaped block, and the T-shaped blocks on both sides are controlled to be clamped and released, so that the device can be suitable for removing rollers of different diameters, and when the T-shaped block moves, the slide groove guides and limits the T-shaped block.
Description
Technical Field
The utility model relates to the technical field of roll changing devices, in particular to a roll changing device of a casting machine.
Background
Casting machines (extruders) are a common type of plastic processing equipment that forms a continuous plastic product by heating and melting a plastic feedstock at high temperature and pressure and extruding the molten plastic through a die or extrusion head. The casting machine is widely applied to the production process of plastic products such as plastic films, plates, sheets, pipes, sectional materials and the like. For example, in a common plastic film production process, a casting machine extrudes molten plastic into a film having a certain width and thickness, and then performs cooling, stretching and the like to obtain a flat plastic film product.
The utility model provides a roll changing device (bulletin number: CN 211891667U) of PVC sheet calender among the prior art, the device includes the base, the equal fixedly connected with box in both sides at base top, two the equal fixedly connected with telescopic link in top of box, two fixedly connected with box between the top of telescopic link, the bottom fixedly connected with fixing base of box inner wall, be provided with driving motor on the fixing base, driving motor's output shaft fixedly connected with bull stick, the surface fixedly connected with first gear of bull stick, the bottom fixedly connected with support of box inner wall, the top fixedly connected with diaphragm of support, the surface rotation of horizontal pole is connected with the second gear. The roll changing device of the PVC sheet calender provided by the utility model can adjust the height according to the requirement, the two baffles can determine the movement direction of the pushing plate, the installation and the disassembly are convenient, the waste of manpower, material resources and financial resources is reduced, and the time of manual installation is reduced
The device still has the following drawbacks:
When the casting machine roller replacing device is used, the device supports the rollers at the lower ends of the rollers and removes the rollers, but when the number of the rollers is large, the device cannot remove the rollers in the middle, the rollers need to be removed from one end in sequence, meanwhile, the lower end space of some rollers is smaller, and the use of the device is limited, so that the casting machine roller replacing device needs to be provided.
Disclosure of utility model
The utility model aims to provide a roller replacing device of a casting machine, which clamps and removes rollers at the upper ends of the rollers and can remove rollers at different positions so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the roll changing device of the casting machine comprises a first movable frame and a second movable frame which form a device frame, wherein clamping assemblies which are convenient for clamping rolls are arranged at the lower ends of the first movable frame and the second movable frame;
The clamping assembly comprises a plurality of fixed blocks, wherein the inside of each fixed block is rotationally connected with a bidirectional screw rod, one end of each bidirectional screw rod is fixedly connected with a motor through the fixed block, the outside of each bidirectional screw rod is rotationally connected with two symmetrically distributed T-shaped blocks, the T-shaped blocks are respectively and slidably connected with the fixed blocks, the inside of each fixed block is provided with two symmetrically distributed sliding grooves, the two sliding grooves are slidably connected with the T-shaped blocks, and the lower end of each T-shaped block is provided with a limiting assembly which is convenient for further limiting the roller.
Preferably, the outside butt of first movable frame has the second movable frame, be provided with the regulation subassembly that is convenient for adjust the distance between first movable frame and the second movable frame on first movable frame and the second movable frame jointly.
Preferably, the adjusting component comprises a connecting plate fixedly arranged on the side wall of the second movable frame, a plurality of uniformly distributed limiting holes are formed in the connecting plate, a limiting frame is connected to the inside of each limiting hole in a sliding mode, the limiting frame is connected with the first movable frame in a sliding mode, and springs are sleeved on the outer side of the limiting frame.
Preferably, the limiting frame is composed of a straight rod and a fixing ring, the straight rod is in sliding connection with the limiting hole, and the straight rod and the fixing ring are both in sliding connection with the first movable frame.
Preferably, the side walls of the first movable frame and the second movable frame are fixedly connected with two symmetrically distributed mounting plates, the lower ends of the mounting plates are fixedly connected with hydraulic telescopic rods, and the output ends of the hydraulic telescopic rods are fixedly connected with a plurality of fixing blocks respectively.
Preferably, the limiting component comprises a plurality of L rods fixedly installed at the lower ends of the T-shaped blocks respectively, elastic plates are fixedly connected to the inner parts of the L rods, air cavities are formed in the inner parts of the L rods, a plurality of tension springs which are uniformly distributed are arranged in the air cavities, a plurality of fixing pipes which are uniformly distributed are fixedly connected to the inner parts of the L rods, a plurality of pistons are fixedly connected to the inner parts of the fixing pipes in a sliding manner, and limiting rods are fixedly connected to the side walls of the pistons and are in sliding connection with the fixing pipes.
Preferably, a plurality of extension springs are distributed corresponding to a plurality of pistons, one ends of the extension springs are fixedly arranged in the air cavity, and the other ends of the extension springs are fixedly arranged with the pistons respectively.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the roller taking-out position is arranged at the upper end of the roller, so that the roller at different positions can be conveniently taken out, the height of the clamping assembly is controlled by the hydraulic telescopic rod, the device can conveniently move before and after detachment, meanwhile, the device can be suitable for detachment of rollers at different heights, the motor drives the bidirectional screw to rotate, the bidirectional screw and the T-shaped blocks perform threaded movement, the T-shaped blocks at two sides are controlled to clamp and loosen, the device can be suitable for detachment of rollers with different diameters, and the T-shaped blocks have guiding and limiting functions on the T-shaped blocks by the sliding chute when moving.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model in operation;
FIG. 3 is a schematic view of the partial internal structure of the first and second moving frames of the present utility model;
FIG. 4 is a schematic view of the structure of the clamping assembly of the present utility model;
fig. 5 is a schematic structural view of a limiting assembly according to the present utility model.
1, A first movable frame; 2, a second movable frame, 3, an adjusting component, 31, a connecting plate, 32, a limiting hole, 33, a limiting frame, 34, a spring, 4, a mounting plate, 5, a hydraulic telescopic rod, 6, a clamping component, 61, a fixed block, 62, a bidirectional screw rod, 63, a motor, 64, a T-shaped block, 65, a sliding chute, 7, a limiting component, 71, an L-shaped rod, 72, an elastic plate, 73, an air cavity, 74, a tension spring, 75, a fixed pipe, 76, a piston, 77, a limiting rod, 8 and a casting machine main body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution:
The roll changing device of the casting machine comprises a first movable frame 1 and a second movable frame 2 which form a device frame, wherein the lower ends of the first movable frame 1 and the second movable frame 2 are respectively provided with a clamping assembly 6 which is convenient for clamping rolls;
The clamping assembly 6 comprises a plurality of fixed blocks 61, the inside of the fixed blocks 61 is rotationally connected with a two-way screw rod 62, one ends of the two-way screw rods 62 penetrate through the fixed blocks 61 and are fixedly connected with a motor 63, the outer sides of the two-way screw rods 62 are rotationally connected with two symmetrically distributed T-shaped blocks 64, the T-shaped blocks 64 are respectively and slidably connected with the fixed blocks 61, the inside of the fixed blocks 61 is provided with two symmetrically distributed sliding grooves 65, the two sliding grooves 65 are slidably connected with the T-shaped blocks 64, and the lower ends of the T-shaped blocks 64 are provided with limiting assemblies 7 which are convenient for further limiting the roller.
The outside butt of first movable frame 1 has second movable frame 2, is provided with the adjusting part 3 that is convenient for adjust the distance between first movable frame 1 and the second movable frame 2 on first movable frame 1 and the second movable frame 2 jointly.
Through the cooperation of first movable frame 1 and the 2 structures of second movable frame, realized that first movable frame 1 and second movable frame 2 constitute the frame of device, the lower extreme that first movable frame 1 and second movable frame 2 are provided with the removal wheel simultaneously, the technical effect of the device removal of being convenient for has solved the inconvenient technical problem who removes of device.
The adjusting component 3 comprises a connecting plate 31 fixedly arranged on the side wall of the second movable frame 2, a plurality of uniformly distributed limiting holes 32 are formed in the connecting plate 31, a limiting frame 33 is connected to the inside of the limiting holes 32 in a sliding mode, the limiting frame 33 is connected with the first movable frame 1 in a sliding mode, and a spring 34 is sleeved on the outer side of the limiting frame 33.
Through the cooperation of structures such as connecting plate 31 and spacing hole 32, realized upwards taking out spacing 33, spring 34 atress shrink, when spacing 33 shifts out spacing hole 32, remove spacing to connecting plate 31, remove first removal frame 1 and second removal frame 2, adjust the distance between first removal frame 1 and the second removal frame 2, make the device be applicable to the demolishment of different degree rollers, loosen spacing 33, under spring 34's elasticity effect, spacing 33 card goes into spacing hole 32's inside, carry out spacing to connecting plate 31, carry out fixed technological effect to first removal frame 1 and second removal frame 2, the technical problem of demolishment of the unable roller that is used for different length of device has been solved.
The limiting frame 33 is composed of a straight rod and a fixing ring, the straight rod is in sliding connection with the limiting hole 32, and the straight rod and the fixing ring are both in sliding connection with the first moving frame 1.
Through the cooperation of straight-bar and solid fixed ring structure, when having realized taking out the straight-bar, gu fixed ring can slide in the inside of first movable frame 1 in step, reduce the technical effect to the wearing and tearing of straight-bar, the technical problem of easy wearing and tearing when having solved the straight-bar in use, this kind of design makes spacing 33 can install fast and dismantle, conveniently change or adjust, save time and labour, compare complicated mechanical device, this kind of simple combination can reduce cost, keep effectual function simultaneously, use gu fixed ring can reduce the direct contact between first movable frame 1 and the spacing 33 to reduce wearing and tearing and the risk of damage.
Two mounting plates 4 which are symmetrically distributed are fixedly connected to the side walls of the first movable frame 1 and the second movable frame 2, hydraulic telescopic rods 5 are fixedly connected to the lower ends of the mounting plates 4, and the output ends of the hydraulic telescopic rods 5 are fixedly connected with a plurality of fixing blocks 61 respectively.
Through the cooperation of the structure of the mounting plate 4 and the hydraulic telescopic rod 5, the technical effect that the mounting plate 4 is used for mounting the hydraulic telescopic rod 5 is realized, and the technical problem that the hydraulic telescopic rod 5 is inconvenient to mount is solved.
The limiting component 7 comprises a plurality of L rods 71 fixedly installed at the lower ends of the T-shaped blocks 64 respectively, elastic plates 72 are fixedly connected to the inner parts of the L rods 71 respectively, air cavities 73 are formed in the inner parts of the L rods 71 respectively, a plurality of tension springs 74 which are uniformly distributed are arranged in the air cavities 73, a plurality of fixing pipes 75 which are uniformly distributed are fixedly connected to the inner parts of the L rods 71 respectively, pistons 76 are slidably connected to the inner parts of the fixing pipes 75 respectively, limiting rods 77 are fixedly connected to the side walls of the pistons 76 respectively, and the limiting rods 77 are slidably connected with the fixing pipes 75.
Through the cooperation of structures such as L pole 71 and elastic plate 72, the lower extreme of L pole 71 pair roller has been realized, when the roll-in is on elastic plate 72, gravity makes elastic plate 72 warp, the inside atmospheric pressure of air cavity 73 grow, the atmospheric pressure drives piston 76 and slides in fixed pipe 75 inside, extension spring 74 atress is tensile, piston 76 drives gag lever post 77 card on the roller, carry out spacing to the roller, when putting down the roller, reduce elastic plate 72 pressure, elastic plate 72 resumes the original state, the inside pressure of air cavity 73 reduces, extension spring 74 utilizes the inside technological effect of pulling back fixed pipe 75 of pulling force with piston 76, the technical problem that the roller lacks upper and lower direction spacing when going up and down has been solved.
The plurality of tension springs 74 are distributed corresponding to the plurality of pistons 76, one ends of the plurality of tension springs 74 are fixedly mounted inside the air cavity 73, and the other ends of the plurality of tension springs 74 are fixedly mounted with the plurality of pistons 76 respectively.
By matching the structures of the tension spring 74 and the piston 76, the technical effect that the tension spring 74 controls the position of the piston 76 is achieved, and the technical problem that the piston 76 may not be reset is solved.
When the device is used, the clamping assembly 6 is controlled to descend by the hydraulic telescopic rod 5 through moving the first moving frame 1 and the second moving frame 2 to the position of the casting machine main body 8 where the roller is required to be removed, the motor 63 drives the bidirectional screw rod 62 to rotate, the bidirectional screw rod 62 and the T-shaped blocks 64 perform threaded movement, the T-shaped blocks 64 on two sides are controlled to clamp and loosen, so that the device is suitable for removing rollers with different diameters, the T-shaped blocks 64 play a role in guiding and limiting the T-shaped blocks 64 when moving, the gravity deforms the elastic plate 72 when rolling on the elastic plate 72, the air pressure in the air cavity 73 is increased, the air pressure drives the piston 76 to slide in the fixed tube 75, the tension spring 74 is stressed and stretched, the piston 76 drives the limiting rod 77 to be clamped on the roller, the pressure on the elastic plate 72 is reduced when the roller is lowered, the pressure in the air cavity 73 is reduced, and the piston 76 is pulled back into the fixed tube 75 by the tension spring 74;
the limiting frame 33 is pulled upwards, the spring 34 is stressed and contracted, when the limiting frame 33 moves out of the limiting hole 32, the limiting on the connecting plate 31 is released, the first moving frame 1 and the second moving frame 2 are moved, the distance between the first moving frame 1 and the second moving frame 2 is adjusted, the device is suitable for detaching rollers of different degrees, the limiting frame 33 is loosened, the limiting frame 33 is clamped into the inside of the limiting hole 32 under the elastic force of the spring 34, the connecting plate 31 is limited, and the first moving frame 1 and the second moving frame 2 are fixed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A casting machine roll changing device, characterized by comprising:
A first movable frame (1) and a second movable frame (2);
The lower ends of the first movable frame (1) and the second movable frame (2) are respectively provided with a clamping assembly (6) which is convenient for clamping the roller;
The clamping assembly (6) comprises a plurality of fixed blocks (61), wherein the inside of each fixed block (61) is rotationally connected with a bidirectional screw rod (62), one ends of the bidirectional screw rods (62) are fixedly connected with motors (63) through the fixed blocks (61), the outer sides of the bidirectional screw rods (62) are rotationally connected with two symmetrically distributed T-shaped blocks (64), and the T-shaped blocks (64) are respectively and slidably connected with the fixed blocks (61);
Two sliding grooves (65) which are symmetrically distributed are formed in the fixing blocks (61), the two sliding grooves (65) are slidably connected with the T-shaped blocks (64), and limiting assemblies (7) which are convenient to limit the roller further are arranged at the lower ends of the T-shaped blocks (64).
2. A casting machine roll changing device according to claim 1, wherein the outer side of the first movable frame (1) is abutted against the second movable frame (2), and an adjusting component (3) which is convenient for adjusting the distance between the first movable frame (1) and the second movable frame (2) is arranged on the first movable frame (1) and the second movable frame (2) together.
3. The roll changing device of the casting machine according to claim 2, wherein the adjusting assembly (3) comprises a connecting plate (31) fixedly installed on the side wall of the second moving frame (2), a plurality of uniformly distributed limiting holes (32) are formed in the connecting plate (31), limiting frames (33) are slidably connected in the limiting holes (32), the limiting frames (33) are slidably connected with the first moving frame (1), and springs (34) are sleeved on the outer sides of the limiting frames (33).
4. A casting machine roll changing device according to claim 3, wherein the limit frame (33) comprises a straight rod and a fixed ring, the straight rod is slidably connected with the limit hole (32), and the straight rod and the fixed ring are slidably connected with the first movable frame (1).
5. The roll changing device of the casting machine according to claim 3, wherein two mounting plates (4) which are symmetrically distributed are fixedly connected to the side walls of the first movable frame (1) and the second movable frame (2), hydraulic telescopic rods (5) are fixedly connected to the lower ends of the mounting plates (4), and the output ends of the hydraulic telescopic rods (5) are fixedly connected with a plurality of fixing blocks (61) respectively.
6. A casting machine roll changing device according to claim 1, wherein the limiting assembly (7) comprises:
The device comprises a plurality of L-shaped rods (71) fixedly arranged at the lower ends of the T-shaped blocks (64), wherein elastic plates (72) are fixedly connected inside the L-shaped rods (71), air cavities (73) are formed inside the L-shaped rods (71), and a plurality of tension springs (74) which are uniformly distributed are arranged inside the air cavities (73);
A plurality of fixed pipes (75) of equal fixedly connected with evenly distributed of inside of a plurality of L pole (71), a plurality of the inside of fixed pipe (75) is all sliding connection has piston (76), fixedly connected with gag lever post (77) on the lateral wall of piston (76), gag lever post (77) and fixed pipe (75) sliding connection.
7. A casting machine roll changing apparatus according to claim 6, wherein a plurality of said tension springs (74) are distributed corresponding to a plurality of pistons (76).
8. A roll changing device for a casting machine according to claim 7, wherein one ends of the tension springs (74) are fixedly installed inside the air chamber (73), and the other ends of the tension springs (74) are fixedly installed with the pistons (76), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421746459.1U CN222792576U (en) | 2024-07-23 | 2024-07-23 | Roller changing device for tape casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421746459.1U CN222792576U (en) | 2024-07-23 | 2024-07-23 | Roller changing device for tape casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222792576U true CN222792576U (en) | 2025-04-25 |
Family
ID=95404789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421746459.1U Active CN222792576U (en) | 2024-07-23 | 2024-07-23 | Roller changing device for tape casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222792576U (en) |
-
2024
- 2024-07-23 CN CN202421746459.1U patent/CN222792576U/en active Active
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