Food-grade metal packaging cold-rolled plain carbon steel substrate coiled material uncoiling device

Abstract

The application discloses a cold-rolled plain carbon substrate coiled material unwinding device for food-grade metal packaging and belongs to the technical field of coiled material processing equipment. The technical scheme is as follows: the unwinding machine comprises an unwinding machine body, two power ends of the unwinding machine body are fixedly connected with rotating discs, rotating shafts are fixedly connected with the centers of the two rotating discs, two unwinding devices are arranged on the two rotating shafts respectively, the two unwinding devices are oppositely arranged, the unwinding device comprises first and second inserting shafts fixedly connected with the two rotating shafts respectively, and the first and second inserting shafts are conical. The inserting shafts can be inserted into the inner cores of coiled materials with different inner diameters, and the unwinding quality of the coiled material is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coiled material processing, in particular to a cold-rolled plain carbon substrate coiled material unwinding device for food-grade metal packaging. BACKGROUND

[0002] The unwinding machine is a kind of equipment for continuously or intermittently unwinding cylindrical steel coils. At present, there are many forms of unwinding machines, and there are mainly mechanical passive unwinding machines, semi-automatic unwinding machines, full-automatic unwinding machines and other unwinding modes in terms of function.

[0003] The material of the cold-rolled plain carbon substrate for food-grade metal packaging is usually thin, and in the material transportation process of the coiled material, the side edges of the coiled material may be damaged due to transportation and handling collisions, which requires cutting the side edges of the material after unwinding the coiled material. At present, the shaft of the existing unwinding machine is cylindrical, and the cylindrical shaft is inserted into the inner core of the coiled material during unwinding of the coiled material, and then the unwinding work is carried out.

[0004] According to the related technology in the above, the inventor believes that the following defects exist: the coiled material is easily extruded by external force, causing the inner core to deform, and after the inner core deforms, it is difficult for the cylindrical shaft of the unwinding machine to be inserted or completely inserted into the deformed inner core, and the unwinding effect of the coiled material is poor. SUMMARY

[0005] In order to make the shaft completely inserted into the inner diameter of the coiled material and improve the unwinding effect of the coiled material, the present application provides a cold-rolled plain carbon substrate coiled material unwinding device for food-grade metal packaging.

[0006] The cold-rolled plain carbon substrate coiled material unwinding device for food-grade metal packaging provided by the present application adopts the following technical scheme:

[0007] A cold-rolled plain carbon substrate coiled material unwinding device for food-grade metal packaging, the unwinding machine comprises an unwinding machine body, two power ends of the unwinding machine body are fixedly connected with rotating discs, rotating shafts are fixedly connected at the center positions of the two rotating discs, two unwinding devices are arranged on the two rotating shafts respectively, the two unwinding devices are oppositely arranged, the unwinding device comprises first and second shafts fixedly connected with the two rotating shafts respectively, and the first and second shafts are conical.

[0008] By adopting the technical scheme, when the coil material is unwound by the uncoiler, the first inserting shaft and the second inserting shaft are inserted into the inner core of the coil material, and then the uncoiler is started to unwind the coil material; wherein the inserting shafts in the uncoiling device are conical, and coil materials with different inner diameters can be sleeved on the inserting shafts, thereby breaking the limitation that the existing uncoiler with cylindrical inserting shafts can only unwind coil materials with fixed inner diameters, expanding the use range of the uncoiler, and improving the unwinding effect of the coil material.

[0009] Preferably, the bottom surface of the first inserting shaft is fixedly connected with the rotating shaft, and the bottom surface of the second inserting shaft is fixedly connected with another rotating shaft driving shaft.

[0010] By adopting the technical scheme, the conical bottom surfaces of the first inserting shaft and the second inserting shaft are fixedly connected with the two rotating shafts, respectively, and when the coil material with different inner diameters is unwound, the two ends of the coil material can abut against different positions of the conical surface, thereby meeting the unwinding work of the coil material with different inner diameters.

[0011] Preferably, the first inserting shaft and the second inserting shaft are symmetrical and have the same size.

[0012] By adopting the technical scheme, the first inserting shaft and the second inserting shaft are arranged to have the same size, and when the coil material is unwound, the first inserting shaft and the second inserting shaft are inserted into the inner core of the coil material to the same depth, thereby keeping balance and stability during the unwinding process of the coil material, preventing the coil material from shaking during the unwinding process, and improving the unwinding effect of the coil material.

[0013] Preferably, a first placing groove is formed in the first inserting shaft, a second placing groove is formed in the second inserting shaft, the uncoiling device further comprises a first fixing mechanism and a second fixing mechanism, the first fixing mechanism is arranged in the first placing groove, the second fixing mechanism is arranged in the second placing groove, the first fixing mechanism is connected with the first inserting shaft, the second fixing mechanism is connected with the second inserting shaft, and the first fixing mechanism and the second fixing mechanism can fix the inner core of the coil material.

[0014] By adopting the technical scheme, the first fixing mechanism arranged in the first placing groove and the second fixing mechanism arranged in the second placing groove can fix and support the inner core of the coil material, and the two fixing mechanisms are arranged to fix and support the two sides of the inner core of the coil material, thereby improving the unwinding effect of the coil material.

[0015] Preferably, the first fixing mechanism comprises a first air cylinder and a first driving assembly, the first driving assembly is connected with the first air cylinder, and can drive the first air cylinder to move in the first placing groove.

[0016] By adopting the technical scheme, the first driving assembly can drive the first cylinder to move in the first placing groove, so that the first cylinder abuts against one side of the inner core of the coil to be uncoiled, the contact area between the first inserting shaft and the inner core of the coil is increased, the coil is supported and fixed, and the uncoiling effect of the coil is improved.

[0017] Preferably, the first driving assembly comprises a first lead screw and a first driving motor, the first lead screw and the first driving motor are arranged in the first placing groove, the first driving motor is fixedly connected with the inner wall of the first inserting shaft, one end of the first lead screw is fixedly connected with the driving shaft of the first driving motor, the other end of the first lead screw is rotationally connected with the first inserting shaft, the first cylinder is fixedly connected with a first connecting block, the first cylinder and the first lead screw are connected through the first connecting block, the first connecting block is sleeved on the first lead screw and is threadedly connected with the first lead screw, and the driving shaft of the first cylinder can abut against the inner core of the coil to be uncoiled.

[0018] By adopting the technical scheme, when the coil is sleeved on the first inserting shaft, the first driving motor is started, the first motor drives the first lead screw to rotate, the first connecting block moves along the first lead screw, the first connecting block drives the first cylinder to move, so that the driving shaft of the first cylinder abuts against the inner core of the coil, the first cylinder is started, the driving shaft of the first cylinder is extended, the contact area with the inner core of the coil is increased, the coil is supported and fixed, and the uncoiling effect of the coil is improved.

[0019] Preferably, a rubber sleeve is sleeved on the driving shaft of the first cylinder, and a pressure sensor is arranged in the rubber sleeve.

[0020] By adopting the technical scheme, the rubber sleeve can play a buffering role when the first cylinder abuts against the inner core of the coil, so that damage to the inner core of the coil caused by the first cylinder can be prevented, and the pressure sensor can sense the pressure change of the rubber sleeve to timely remind the staff that the first cylinder has abutted against the inner core of the coil.

[0021] Preferably, the second fixing mechanism comprises a second cylinder and a second driving assembly, the second driving assembly is connected with the second cylinder and can drive the second cylinder to move in the second placing groove.

[0022] By adopting the technical scheme, the second driving assembly can drive the second cylinder to move in the second placing groove, so that the second cylinder abuts against the other side of the inner core of the coil to be uncoiled, the contact area between the second inserting shaft and the inner core of the coil is increased, the coil is supported and fixed, and the uncoiling effect of the coil is improved.

[0023] Preferably, the second driving assembly comprises a second lead screw and a second driving motor, both of which are arranged in the second placing groove, the second driving motor is fixedly connected with the inner wall of the second inserting shaft, two ends of the second lead screw are fixedly connected with the driving shaft of the second driving motor, the other two ends of the second lead screw are rotationally connected with the second inserting shaft, the second cylinder is fixedly connected with a second connecting block, the second cylinder and the second lead screw are connected through the second connecting block, the second connecting block is sleeved on the second lead screw and is threadedly connected with the second lead screw, and the driving shaft of the second cylinder can abut against the inner core of the coil to be uncoiled.

[0024] By adopting the above technical scheme, when the coil is sleeved on the second inserting shaft, the second driving motor is started, the second motor drives the second lead screw to rotate, the second connecting block moves along the second lead screw, the second connecting block drives the second cylinder to move, so that the driving shaft of the second cylinder abuts against the inner core of the coil, then the second cylinder is started, the driving shaft of the second cylinder is extended, the contact area with the inner core of the coil is increased, the coil is supported and fixed, and the uncoiling effect of the coil is improved.

[0025] Preferably, a rubber sleeve is also sleeved on the driving shaft of the second cylinder, and a pressure sensor is also arranged in the rubber sleeve.

[0026] By adopting the above technical scheme, the rubber sleeve can play a buffering role when the second cylinder abuts against the inner core of the coil, so that damage to the inner core of the coil caused by the second cylinder when the second cylinder abuts against the inner core of the coil can be prevented, the pressure sensor can sense the pressure change of the rubber sleeve, and timely remind the worker that the first cylinder has abutted against the inner core of the coil.

[0027] In summary, the present application has the following advantages:

[0028] 1. The first inserting shaft and the second inserting shaft are conical, which breaks through the limitation that the existing uncoiler can only uncoil the coil with a fixed inner diameter due to the diameter limitation of the cylindrical inserting shaft, expands the use range of the uncoiler, and improves the uncoiling effect of the coil.

[0029] 2. When the coil is sleeved on the first inserting shaft and the second inserting shaft, the inner core of the coil abuts against the first inserting shaft and the second inserting shaft in a "line abutment", at this time, the first driving motor and the second driving motor are started to drive the first cylinder and the second cylinder to move in the first placing groove and the second placing groove until the first cylinder and the second cylinder abut against the inner core of the coil, the first cylinder and the second cylinder form two "line abutments" perpendicular to each other, and the support and fixing effect of the uncoiler on the coil is better. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1This is a structural schematic diagram of an embodiment of this application.

[0031] Figure 2 This embodiment of the application is intended to illustrate the structural diagram of the first fixing mechanism.

[0032] Figure 3 This embodiment of the application is intended to illustrate the structure of the second fixing mechanism.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Uncoiling machine body; 2. Turntable; 3. Rotating shaft; 4. Uncoiling device; 41. First insert shaft; 411. First placement slot; 42. Second insert shaft; 421. Second placement slot; 43. First fixing mechanism; 431. First cylinder; 4311. First connecting block; 432. First drive assembly; 4321. First lead screw; 4322. First drive motor; 44. Second fixing mechanism; 441. Second cylinder; 4411. Second connecting block; 442. Second drive assembly; 4421. Second lead screw; 4422. Second drive motor; 5. Rubber sleeve. Detailed Implementation

[0035] The present invention will be further described in detail below with reference to the accompanying drawings.

[0036] An unwinding device for cold-rolled carbon fiber substrate rolls used in food-grade metal packaging, such as... Figure 1 As shown, the uncoiler includes an uncoiler body 1. Both power ends of the uncoiler body 1 are fixedly connected to turntables 2. The center positions of the two turntables 2 are fixedly connected to rotating shafts 3. The power ends of the uncoiler, the turntables 2 and the rotating shafts 3 are coaxially arranged. There are two uncoilers 4, which are respectively connected to the two rotating shafts 3.

[0037] like Figure 1 As shown, the unwinding device 4 includes a first insert shaft 41 and a second insert shaft 42. The first insert shaft 41 and the second insert shaft 42 are set in a conical shape. The bottom surfaces of the first insert shaft 41 and the second insert shaft 42 are respectively fixedly connected to two rotating shafts 3. The first insert shaft 41 and the second insert shaft 42 are coaxially arranged with the two rotating shafts 3. The first insert shaft 41 and the second insert shaft 42 are equal in size and symmetrically arranged.

[0038] In use, the coiled material is sleeved on the first inserting shaft 41 and the second inserting shaft 42, and then the motor of the uncoiler body 1 is started to drive the rotating disc 2, the rotating shaft 3, the first inserting shaft 41 and the second inserting shaft 42 to rotate, thereby driving the coiled material to be uncoiled or wound. In the present application, the first inserting shaft 41 and the second inserting shaft 42 are conical, which can meet the uncoiling and winding of coiled materials with different inner diameters, thereby expanding the application range of the uncoiler. In addition, when the coiled material is deformed due to external force in the transportation process, the first inserting shaft 41 and the second inserting shaft 42 can still be inserted into the inner core of the coiled material to expand the inner core, thereby reducing the deformation degree of the coiled material and further expanding the application range of the uncoiler.

[0039] As shown in Figure 2 and Figure 3 , the uncoiling device 4 further comprises a first fixing mechanism 43 and a second fixing mechanism 44. The first inserting shaft 41 is vertically provided with a first placing groove 411 for placing the first fixing mechanism 43, and the second inserting shaft 42 is vertically provided with a second placing groove 421 for placing the second fixing mechanism 44. The first placing groove 411 and the second placing groove 421 are provided along the central axis of the first inserting shaft 41 and the second inserting shaft 42. The first fixing mechanism 43 is connected with the first inserting shaft 41, and the second fixing mechanism 44 is connected with the second inserting shaft 42. The first fixing mechanism 43 and the second fixing mechanism 44 serve to fix the inner core of the coiled material.

[0040] As shown in Figure 2 , the first fixing mechanism 43 comprises a first air cylinder 431 and a first driving assembly 432. The first driving assembly 432 is connected with the first air cylinder 431 and serves to drive the first air cylinder 431 to move in the first placing groove 411.

[0041] As shown in Figure 2 , the first driving assembly 432 comprises a first lead screw 4321 and a first driving motor 4322. The first air cylinder 431 and the first driving motor 4322 are both arranged in the first placing groove 411. The length direction of the first lead screw 4321 is consistent with the length direction of the first placing groove 411. The first driving motor 4322 is fixedly connected with the inner wall of the first inserting shaft 41. One end of the first lead screw 4321 is fixedly connected with the first driving motor 4322, and the other end of the first lead screw 4321 is rotatably connected with the inner wall of the first inserting shaft 41. The first air cylinder 431 is fixedly connected with a first connecting block 4311. The first connecting block 4311 is sleeved on the first lead screw 4321 and is threadedly connected with the first lead screw 4321. The first air cylinder 431 is horizontally arranged, and the driving shaft of the first air cylinder 431 can abut against the inner core of the coiled material.

[0042] In use, when the coiled material is sleeved on the first inserting shaft 41, the first inserting shaft 41 abuts against one end of the coiled material core, at this time, the first driving motor 4322 is started, the first driving motor 4322 drives the first lead screw 4321 to rotate, and then drives the first air cylinder 431 to move in the first placing groove 411 until the driving shaft of the first air cylinder 431 abuts against the coiled material core, and then the first air cylinder 431 is started, the driving shaft of the first air cylinder 431 extends out to increase the contact area with the coiled material core, and plays a supporting role on the coiled material core.

[0043] As shown in Figure 3 , the second fixing mechanism 44 comprises a second air cylinder 441 and a second driving assembly 442, the second driving assembly 442 is connected with the second air cylinder 441 and used to drive the second air cylinder 441 to move in the second placing groove 421.

[0044] As shown in Figure 3 , the second driving assembly 442 comprises a second lead screw 4421 and a second driving motor 4422, the second air cylinder 441 and the second driving motor 4422 are arranged in the second placing groove 421, the length direction of the second lead screw 4421 is consistent with the length direction of the second placing groove 421, the second driving motor 4422 is fixedly connected with the inner wall of the second inserting shaft 42, two ends of the second lead screw 4421 are fixedly connected with the second driving motor 4422, the other end of the second lead screw 4421 is rotationally connected with the inner wall of the second inserting shaft 42, the second air cylinder 441 is fixedly connected with a second connecting block 4411, the second connecting block 4411 is sleeved on the second lead screw 4421 and threadedly connected with the second lead screw 4421, the second air cylinder 441 is horizontally arranged, and the driving shaft of the second air cylinder 441 can abut against the coiled material core.

[0045] In use, when the coiled material is sleeved on the second inserting shaft 42, the second inserting shaft 42 abuts against the other end of the coiled material core, at this time, the second driving motor 4422 is started, the second driving motor 4422 drives the second lead screw 4421 to rotate, and then drives the second air cylinder 441 to move in the second placing groove 421 until the driving shaft of the second air cylinder 441 abuts against the coiled material core, and then the second air cylinder 441 is started, the driving shaft of the second air cylinder 441 extends out to increase the contact area with the coiled material core, and plays a fixing and supporting role on the coiled material core.

[0046] As shown in Figure 2 and Figure 3As shown, rubber sleeves 5 are sleeved on the drive shafts of the first cylinder 431 and the second cylinder 441, the rubber sleeves 5 wrap the entire drive shaft, the rubber sleeves 5 play a buffering role in the process that the first cylinder 431 and the second cylinder 441 abut against the inner core of the coiled material, and prevent the first cylinder 431 and the second cylinder 441 from damaging the inner core of the coiled material. A pressure sensor is arranged in the rubber sleeve 5, the pressure sensor is electrically connected with a controller, the controller is electrically connected with a buzzer and can control the buzzer to sound.

[0047] In use, when the first driving motor 4322 and the second driving motor 4422 are started to drive the first cylinder 431 and the second cylinder 441 to move until abutting against the inner core of the coiled material, the rubber sleeve 5 first contacts and is pressed by the inner core of the coiled material, the pressure sensor can immediately sense the pressure change of the rubber sleeve 5 and convert the pressure signal into an electrical signal and then transmit the electrical signal to the controller, the controller controls the buzzer to sound, reminding the staff that the first cylinder 431 and the second cylinder 441 have abutted against the inner core of the coiled material, and the uncoiling work can be performed.

[0048] The use principle of the present application is as follows: when the coiled material is uncoiled, the coiled material is sleeved on the first shaft 41 and the second shaft 42, the inner core of the coiled material abuts against the first shaft 41 and the second shaft 42, and the original positions of the first cylinder 431 and the second cylinder 441 are at the center positions of the first placing groove 411 and the second placing groove 421, at this time, the first driving motor 4322 and the second driving motor 4422 are started to drive the first cylinder 431 and the second cylinder 441 to move, so that the drive shafts of the first cylinder 431 and the second cylinder 441 abut against the inner core of the coiled material, and the first cylinder 431 and the second cylinder 441 are respectively located on the two sides of the center axis of the inner core of the coiled material, which can better support and fix the inner core of the coiled material.

[0049] Then the first cylinder 431 and the second cylinder 441 are started to make the drive shafts of the first cylinder 431 and the second cylinder 441 extend out, increase the contact area with the inner core of the coiled material, and fix and support the inner core of the coiled material, thereby improving the uncoiling effect of the coiled material.

[0050] The embodiments of the specific embodiment are the preferred embodiments of the present application, but do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An uncoiling device for cold-rolled carbon fiber substrate rolls for food-grade metal packaging, the uncoiling machine comprising an uncoiling machine body (1), wherein two power ends of the uncoiling machine body (1) are fixedly connected to turntables (2), and a rotating shaft (3) is fixedly connected to the center of each of the two turntables (2), characterized in that: Two unwinding devices (4) are provided, respectively mounted on the two rotating shafts (3). The two unwinding devices (4) are arranged opposite to each other. Each unwinding device (4) includes a first insert shaft (41) and a second insert shaft (42) respectively fixedly connected to the two rotating shafts (3). The first insert shaft (41) and the second insert shaft (42) are conical. A first placement groove (411) is provided in the first insert shaft (41), and a second placement groove (421) is provided in the second insert shaft (42). The unwinding device (4) also includes a first fixing mechanism (43). The first fixing mechanism (43) is disposed in the first placement groove (411), and the second fixing mechanism (44) is disposed in the second placement groove (421). The first fixing mechanism (43) is connected to the first insertion shaft (41), and the second fixing mechanism (44) is connected to the second insertion shaft (42). The first fixing mechanism (43) and the second fixing mechanism (44) can fix the inner core of the roll material. The first fixing mechanism (43) includes a first cylinder (431) and a first drive assembly (432). The first drive assembly (432) is connected to the first cylinder (431) and can drive the first cylinder (431) to move within the first placement slot (411). The first drive assembly (432) includes a first lead screw (4321) and a first drive motor (4322). Both the first lead screw (4321) and the first drive motor (4322) are disposed within the first placement slot (411). The first drive motor (4322) is fixedly connected to the inner wall of the first insert shaft (41). One end of the first lead screw (4321) is connected to the first drive motor (4322). The drive shaft of the motor (4322) is fixedly connected, and the other end of the first lead screw (4321) is rotatably connected to the first insert shaft (41). The first cylinder (431) is fixedly connected to the first connecting block (4311). The first cylinder (431) and the first lead screw (4321) are connected through the first connecting block (4311). The first connecting block (4311) is sleeved on the first lead screw (4321) and threadedly connected to the first lead screw (4321). The drive shaft of the first cylinder (431) can abut against the inner core of the roll to be unwound.

2. The unwinding device for cold-rolled carbon fiber substrate rolls for food-grade metal packaging according to claim 1, characterized in that: The bottom surface of the first insert shaft (41) is fixedly connected to the rotating shaft (3), and the bottom surface of the second insert shaft (42) is fixedly connected to another rotating shaft (3).

3. The unwinding device for cold-rolled carbon fiber substrate rolls for food-grade metal packaging according to claim 1, characterized in that: The first insert shaft (41) and the second insert shaft (42) are the same size and are symmetrically arranged.

4. The unwinding device for cold-rolled carbon fiber substrate rolls for food-grade metal packaging according to claim 1, characterized in that: The second fixing mechanism (44) includes a second cylinder (441) and a second drive assembly (442). The second drive assembly (442) is connected to the second cylinder (441) and can drive the second cylinder (441) to move within the second placement slot (421).

5. The unwinding device for cold-rolled carbon fiber substrate rolls for food-grade metal packaging according to claim 4, characterized in that: The second drive assembly (442) includes a second lead screw (4421) and a second drive motor (4422). The second lead screw (4421) and the second drive motor (4422) are both disposed in the second placement groove (421). The second drive motor (4422) is fixedly connected to the inner wall of the second insert shaft (42). Two ends of the second lead screw (4421) are fixedly connected to the drive shaft of the second drive motor (4422). The other two ends of the second lead screw (4421) are rotatably connected to the second insert shaft (42). The second cylinder (441) is fixedly connected to a second connecting block (4411). The second cylinder (441) and the second lead screw (4421) are connected through the second connecting block (4411). The second connecting block (4411) is sleeved on the second lead screw (4421) and threadedly connected to the second lead screw (4421). The drive shaft of the second cylinder (441) can abut against the inner core of the roll to be unwound.

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