Sizing and slitting device for body paper winding paper core

Abstract

The utility model discloses a body paper winding paper core sizing and slitting device which comprises a machine frame, a rotary carrier roller assembly and a cutting mechanism used for slitting a paper core are installed on the machine frame, a pressing device and a sizing device are further installed on the machine frame, the pressing device is installed on one side of the cutting mechanism and used for pressing the paper core during slitting, and the sizing device is installed on the other side of the cutting mechanism and used for sizing the paper core. The sizing device is located on the side, away from the cutting mechanism, of the pressing device and used for sizing the length of the paper element during slitting. According to the paper core slitting machine, the pressing device and the sizing device are installed on the machine frame, when a paper core is slit, sizing is conducted on the paper core through the sizing device, and then the paper core is pressed through the pressing device, so that when the paper core is slit, the paper core does not need to be held by hands, installation hidden dangers are eliminated, and due to the fact that sizing is conducted through the sizing device, the paper core is not required to be held by hands. And when the paper cores are slit in batches, each paper core does not need to be measured by a measuring tape, so that the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking auxiliary equipment technical field especially relates to a raw paper winding paper core fixed length slitting device. BACKGROUND

[0002] At the end of the paper production line, the produced raw paper needs to be wound on the paper core to form a roll-shaped raw paper. The width of the raw paper varies according to the contract requirements, so during production preparation, the paper core of the corresponding length needs to be cut according to the contract requirements. The current slitting device used by our company is similar to the paper tube cutting device disclosed in CN221622338U. When cutting, the paper core needs to be held by hand, and the paper core is rotating during cutting, which poses a safety hazard. In addition, the device cannot conveniently set the cutting length of the paper core. Before each cutting, the length of the paper core needs to be measured with a tape measure. After adjusting the position of the paper core several times, cutting is performed. The production efficiency is low using this method. In order to solve the above problems, the technical personnel of our company proposed the raw paper winding paper core fixed length slitting device. SUMMARY

[0003] The utility model discloses a raw paper winding paper core fixed length slitting device, which is installed on the rack, and the length of the paper core is set by the setting device before cutting. When cutting the paper core, the paper core is pressed by the pressing device, so that the paper core does not need to be held by hand during cutting, eliminating the installation hazard. Since the length of the paper core is set by the setting device, it is not necessary to measure each paper core with a tape measure when cutting a batch of paper cores, improving the production efficiency.

[0004] To achieve the above purpose, the utility model provides a raw paper winding paper core fixed length slitting device, which comprises a rack, a rotating roller assembly and a cutting mechanism for cutting the paper core are installed on the rack, a pressing device and a setting device are also installed on the rack, the pressing device is installed on one side of the cutting mechanism for pressing the paper core during cutting, and the setting device is located on the side of the pressing device away from the cutting mechanism for setting the length of the paper core during cutting.

[0005] The cutting mechanism comprises a bracket, a sliding seat, a motor and a first push rod device. The bracket is located on one side of the rotating roller assembly and is installed on the rack. The sliding seat is installed on the bracket through a sliding structure and slides up and down. The motor is installed on the sliding seat. One end of the first push rod device is connected with the bracket, and the other end is connected with the sliding seat to push and pull the sliding seat to move up and down. A cutting blade is installed on the output shaft of the motor.

[0006] The pressing device comprises a lower pressing roller set, a lower pressing rod, a supporting rod and a second push rod device, the lower pressing roller set is hingedly installed at one end of the lower pressing rod, the other end of the lower pressing rod is hingedly connected with one end of the second push rod device, the other end of the second push rod device is hingedly connected with the rack, the supporting rod is located between the lower pressing roller set and the second push rod device, the lower end of the supporting rod is fixedly installed with the rack, and the upper end is hingedly connected with the middle part of the lower pressing rod.

[0007] The lower pressing roller set is provided with a plurality of lower pressing rods, and each lower pressing rod is hingedly installed with a lower pressing rod; the supporting rod is provided with at least two supporting rods, and each supporting rod is connected and supported with a horizontal rod; the middle part of the lower pressing rod is hingedly installed on the horizontal rod; the end of the lower pressing rod away from the lower pressing roller set is connected with a connecting rod; and the second push rod device is hingedly connected with the connecting rod.

[0008] The lower pressing roller set comprises a roller, side plates and a connecting rod, two rollers are installed at the lower end between the two side plates, and the connecting rod is installed at the upper end between the two side plates; the connecting rod is slidably arranged through the lower pressing rod, so that the lower pressing roller set is hingedly connected with the lower pressing rod.

[0009] The size determining device comprises a guide seat, a sliding table, a limiting device, a sliding rod and a stopper, the guide seat is fixedly installed on the rack, the sliding table is slidably installed on the guide seat, the limiting device is installed on the sliding table, and the limiting device is matched with the guide seat, so that the sliding table is limited on the guide seat when needed; one end of the sliding rod is fixedly installed on the sliding table, and the other end is installed with the stopper; in the use state, the stopper is used for resisting the end of the paper core.

[0010] The sliding rod is fixedly installed with a supporting shaft, and the stopper is installed on the supporting shaft through a bearing.

[0011] A scale is arranged on the guide seat along the length direction of the guide seat.

[0012] The side, which abuts against the paper core, of the stopper is provided with an extension part, the extension part is used for being inserted into the inner hole of the paper core or being sleeved on the outside of the paper core.

[0013] At least one free roller set is further installed on the rack, the free roller set comprises two free rollers, the two free rollers are arranged in parallel, and the two ends of the free rollers are respectively installed on the rack through bearing seats.

[0014] Compared with the prior art, the utility model has the following technical effects:

[0015] The utility model discloses a press tightly device and fixed -length cutting device are installed on the frame, when cutting paper core, through fixed -length cutting device, first paper core is fixed -length cutting, after fixed -length cutting, through press tightly device, press the paper core, to need not to hold paper core with hand when cutting paper core, eliminates the installation hidden danger, because of fixed -length cutting through fixed -length cutting device, when cutting paper core in batch, need not to measure every root with measuring tape, improved production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model.

[0018] Figure 2 It is Figure 1 It is A-A section structure schematic diagram in.

[0019] Figure 3 It is Figure 1 It is B-B section structure schematic diagram.

[0020] Figure 4 It is Figure 1 It is C-C section structure schematic diagram.

[0021] Figure 5 It is Figure 1 It is D-D section structure schematic diagram.

[0022] Figure 6 It is Figure 1 It is E-E section structure schematic diagram.

[0023] Figure 7 It is Figure 6 It is F-F section structure schematic diagram.

[0024] Reference signs:

[0025] Frame 10;

[0026] Rotary supporting roller assembly 20, support roller 21, support seat 22, driven sprocket 23, speed reducer motor 24, driving sprocket 25, chain 26;

[0027] Cutting mechanism 30, support 31, sliding structure 32, sliding seat 33, motor 34, first push rod device 35, cutting piece 36;

[0028] Press tightly device 40, lower pressing roller group 41, roller 411, side plate 412, connecting rod 413, lower pressing rod 42, support rod 43, cross bar 44, second push rod device 45, link rod 46;

[0029] Free roller group 50, free roller 51, bearing seat 52;

[0030] Length setting device 60, guide seat 61, sliding table 62, limiting device 63, sliding rod 64, stop block 65, extension 651, support shaft 66, bearing 661, nut 662, scale 67;

[0031] Paper core 70. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0033] Please see Figure 1 A length setting and cutting device for winding paper core with raw paper, comprising a frame 10, a rotating roller assembly 20 and a cutting mechanism 30 for cutting the paper core 70 are installed on the frame 10, a pressing device 40 and a length setting device 60 are also installed on the frame 10, the pressing device 40 is installed on one side of the cutting mechanism 30 for pressing the paper core 70 during cutting, and the length setting device 60 is located on the side of the pressing device 40 away from the cutting mechanism 30 for setting the length of the paper core 70 during cutting.

[0034] By installing the pressing device 40 and the length setting device 60 on the frame 10, the length of the paper core 70 is set by the length setting device 60 before cutting, and the paper core 70 is pressed by the pressing device 40 after setting, so that the paper core 70 does not need to be held by hand during cutting, and the installation risk is eliminated. Since the length is set by the length setting device 60, it is not necessary to measure each paper core 70 with a tape measure during batch cutting, and the production efficiency is improved.

[0035] In the present embodiment, see Figure 3 The cutting mechanism 30 comprises a bracket 31, a sliding seat 33, a motor 34 and a first push rod device 35, the bracket 31 is located on one side of the rotating roller assembly 20, the bracket 31 is installed on the frame 10, the sliding seat 33 is installed on the bracket 31 by sliding up and down through the sliding structure 32, the motor 34 is installed on the sliding seat 33, one end of the first push rod device 35 is connected with the bracket 31, and the other end is connected with the sliding seat 33 to push and pull the sliding seat 33 to move up and down, and a cutting blade 36 is installed on the output shaft of the motor 34.

[0036] The support 31 is in inverted "L" shape, the support 31 can be welded on the rack 10, the sliding structure 32 can adopt the structure of dovetail sliding groove cooperating with dovetail sliding block, or adopt the structure of linear guide cooperating with sliding block. In the embodiment, the sliding structure 32 adopts the structure of linear guide cooperating with sliding block, specifically, two linear guides are longitudinally spaced and parallel and are installed on the support 31 by screws, the sliding block is slidingly installed on the linear guide, the slide 33 is connected with the sliding block by screws, the slide 33 is also in inverted "L" shape, the motor 34 is installed on the slide 33 by screws, the first push rod device 35 can adopt air cylinder or oil cylinder or electric push rod, the fixed end of the first push rod device 35 is bolted with the support 31, and the lower end of the telescopic end is connected with the slide 33. Specifically, the slide 33 is provided with a through hole, the end of the telescopic end of the first push rod device 35 is provided with a screw rod, the screw rod passes through the through hole on the slide 33 and then installs a nut for fixation. When the cutting piece 36 is installed, the output shaft of the motor 34 is installed with a mounting disc for mounting the cutting piece 36. When the telescopic end of the first push rod device 35 is retracted or extended, the cutting piece 36 is driven to move up and down, and when the cutting piece 36 moves downward, the paper core 70 can be cut.

[0037] Referring to Figure 4 The pressing device 40 comprises a lower pressing roller set 41, a lower pressing rod 42, a supporting rod 43 and a second push rod device 45, the lower pressing roller set 41 is hingedly installed at one end of the lower pressing rod 42, the other end of the lower pressing rod 42 is hingedly connected with one end of the second push rod device 45, the other end of the second push rod device 45 is hingedly connected with the rack 10, the supporting rod 43 is located between the lower pressing roller set 41 and the second push rod device 45, the lower end of the supporting rod 43 is fixedly installed with the rack 10, and the upper end is hingedly connected with the middle part of the lower pressing rod 42, the lower pressing roller set 41 is located on the same side of the rotating roller assembly 20, and in use, the lower pressing roller set 41 presses the paper core 70 from above.

[0038] When the lower pressing roller set 41 presses the paper core 70, the paper core 70 can also rotate under the driving of the rotating roller assembly 20. In the embodiment, the second push rod device 45 can adopt air cylinder or oil cylinder or electric push rod, when the telescopic end of the second push rod device 45 extends, the lower pressing roller set 41 moves downward, thereby pressing the paper core 70.

[0039] Further, referring to Figure 1, the lower pressing roller set 41 is provided with a plurality of, in this embodiment, provided with two lower pressing roller set 41. Each of the lower pressing roller set 41 is hingedly mounted with a lower pressing rod 42, the support rod 43 is provided with at least two, each of the support rod 43 is connected with the cross bar 44 support, the middle of the lower pressing rod 42 is hingedly mounted on the cross bar 44, the lower pressing rod 42 is away from the lower pressing roller set 41 at one end is connected with the adapter rod 46, the second push rod device 45 is hingedly connected with the adapter rod 46. Through the above structure, when the telescopic end of a second push rod device 45 is stretched out, each lower pressing roller set 41 is lowered at the same time to press the paper core 70, the stability is better.

[0040] Referring to Figure 4 , the second push rod device 45 is hingedly mounted on the rack 10 through the structure of the single ear seat and the double ear seat cooperation, the telescopic end of the second push rod device 45 is hingedly connected with the adapter rod 46. The cross bar 44 is connected with the support rod 43, the two sides of the lower pressing rod 42 can be limited on the cross bar 44 by the snap spring, so as to prevent the lower pressing rod 42 from moving on the cross bar 44.

[0041] Specifically, the lower pressing roller set 41 comprises a roller 411, a side plate 412 and a connecting rod 413, two rollers 411 are mounted at the lower end between the two side plates, and a connecting rod 413 is mounted at the upper end between the two side plates, the connecting rod 413 slides through the lower pressing rod 42, so that the lower pressing roller set 41 is hingedly connected with the lower pressing rod 42.

[0042] The roller 411 adopts a non-powered roller, the two ends of the central shaft of the non-powered roller are screw structures, the two side plates 412 are respectively worn on the two ends of the central shaft of the non-powered roller, and then the nuts are mounted and fixed with the central shaft, the roller surface of the non-powered roller between the two side plates 412 is rotatable. The two ends of the connecting rod 413 are fixedly connected with the two side plates 412.

[0043] Referring to Figure 1 , 6 The sizing device 60 comprises a guide seat 61, a sliding table 62, a limiting device 63, a sliding rod 64 and a stop block 65, the guide seat 61 is fixedly mounted on the rack 10, the sliding table 62 is directionally slidably mounted on the guide seat 61, the limiting device 63 is mounted on the sliding table 62, the limiting device 63 cooperates with the guide seat 61, so that the sliding table 62 is limited on the guide seat 61 when needed, one end of the sliding rod 64 is fixedly mounted on the sliding table 62, and the other end is provided with the stop block 65; in the use state, the stop block 65 is used for resisting the end of the paper core 70.

[0044] In this embodiment, the guide seat 61 adopts an angle steel, the lower side of the sliding table 62 is provided with a sliding groove, the sliding table 62 is clamped on the guide seat 61 through the sliding groove, the limiting device 63 adopts a hand screw bolt, the hand screw bolt is threadedly connected with the sliding table 62, and when the hand screw bolt abuts against the angle steel, the sliding table 62 is limited with the guide seat 61.

[0045] Further, referring to Figure 7 , the slide rod 64 is fixedly installed with a support shaft 66, and the stopper 65 is installed on the support shaft 66 through a bearing 661. In this way, when the paper core 70 rotates, the stopper 65 can be taken along to reduce the resistance of the rotation of the paper core 70.

[0046] In order to facilitate the adjustment of the position of the slide table 62, a scale 67 is arranged on the guide seat 61 along the length direction of the guide seat 61. Specifically, the scale 67 can be a scale formed by riveting on the guide seat 61, or can be directly marked on the guide seat 61.

[0047] When the paper core 70 is relatively long, in order to be able to support the paper core 70, an extension part 651 is arranged on the side of the stopper 65 abutting against the paper core 70, and the extension part 651 is used for being inserted into the inner hole of the paper core 70 or for being sleeved on the outside of the paper core 70.

[0048] When the extension part 651 is inserted into the inner hole of the paper core 70, the extension part 651 is as shown in Figure 7 ; when the extension part 651 is sleeved on the outside of the paper core 70, the extension part 651 is a circular ring with an inner diameter slightly larger than the outer diameter of the paper core 70.

[0049] Specifically, referring to Figure 7 , one end of the support shaft 66 passes through the slide rod 64 and is installed with a nut 662, and the other end is installed with the stopper 65 through the bearing 661.

[0050] Further, referring to 1, 5, the rack 10 is further installed with at least one free roller set 50, the free roller set 50 comprises two free rollers 51, the two free rollers 51 are arranged in parallel, and the two ends of the free roller 51 are respectively installed on the rack 10 through the bearing seat 52. The free roller set 50 is used for rolling support of the relatively long paper core 70, and the stability during slitting is improved.

[0051] The rotating roller assembly 20 can adopt the rotating support roller structure in CN221622338U. In the embodiment, referring to Figure 1 , 2 , the rotating roller assembly 20 comprises two support rollers 21, the two support rollers 21 are arranged in parallel and are spaced, the two ends of the support roller 21 are respectively installed on the rack 10 in a rotating mode through the support seat 22, a driven sprocket 23 is installed on the central shaft of the support roller 21 after the support seat 22 is extended, a speed reducer motor 24 is installed in the inside of the rack 10, a double-row driving sprocket 25 is installed on the output shaft of the speed reducer motor 24, and the two driven sprockets 23 and the driving sprocket 25 are respectively connected and driven through the chain 26.

[0052] The working principle or action process of the utility model is as follows:

[0053] Referring to Figure 1 , when in use, first measure the distance between the cutting piece 36 and the stop block 65 with a tape measure, adjust the slide table 62 to make the distance between the cutting piece 36 and the stop block 65 meet the requirements, and then fix the position of the slide table 62.

[0054] Then place the paper core 70 to be slitting on the rotating roller assembly 20, and make one end of the paper core 70 abut against the stop block 65. Then control the extension end of the second push rod device 45 to extend, and make the roller set 41 press down on the paper core 70, and the roller 411 contact the paper core 70, as shown in Figure 4 .

[0055] Then, referring to Figure 3 , control the deceleration motor 24 of the rotating roller assembly 20 to start, and make the support roller 21 rotate, and at the same time, the paper core 70 rotates, then start the motor 34, and control the extension end of the first push rod device 35 to extend, and make the motor 34 move down, and the cutting piece 36 synchronously move down, and cut the paper core 70. In this way, when cutting the paper cores of the same length in batches, it is not necessary to measure each paper core.

Claims

1. A raw paper winding paper core cutting-to-length device, comprising a frame (10), a rotating roller assembly (20) and a cutting mechanism (30) for cutting a paper core (70) are installed on the frame (10), characterized in that: The rack (10) is further provided with a pressing device (40) and a sizing device (60), the pressing device (40) is installed on one side of the cutting mechanism (30) and used for pressing the paper core (70) during slitting, and the sizing device (60) is located on the side, away from the cutting mechanism (30), of the pressing device (40) and used for sizing the length of the paper core (70) during slitting. The pressing device (40) comprises a lower pressing roller set (41), a lower pressing rod (42), a supporting rod (43) and a second push rod device (45), the lower pressing roller set (41) is hingedly installed at one end of the lower pressing rod (42), the other end of the lower pressing rod (42) is hingedly connected with one end of the second push rod device (45), the other end of the second push rod device (45) is hingedly connected with the rack (10), the supporting rod (43) is located between the lower pressing roller set (41) and the second push rod device (45), the lower end of the supporting rod (43) is fixedly installed with the rack (10), and the upper end is hingedly connected with the middle part of the lower pressing rod (42), the lower pressing roller set (41) is located on the same side of the rotating roller assembly (20), and in the use state, the lower pressing roller set (41) presses the paper core (70) from above. The sizing device (60) comprises a guide seat (61), a sliding table (62), a limiting device (63), a sliding rod (64) and a stop block (65), the guide seat (61) is fixedly installed on the rack (10), the sliding table (62) is directionally slidably installed on the guide seat (61), the limiting device (63) is installed on the sliding table (62), and the limiting device (63) is matched with the guide seat (61) so that the sliding table (62) is limited on the guide seat (61) when needed, one end of the sliding rod (64) is fixedly installed on the sliding table (62), and the other end is provided with the stop block (65); in the use state, the stop block (65) is used for resisting the end of the paper core (70).

2. A log-wound paper core cutting-to-length apparatus according to claim 1, characterized in that: The cutting mechanism (30) comprises a support (31), a sliding seat (33), a motor (34) and a first push rod device (35), the support (31) is located on one side of the rotating roller assembly (20), the support (31) is installed on the rack (10), the sliding seat (33) is slidably installed on the support (31) through a sliding structure (32), the motor (34) is installed on the sliding seat (33), one end of the first push rod device (35) is connected with the support (31), and the other end is connected with the sliding seat (33), so that the sliding seat (33) is pushed and pulled to move up and down, and the output shaft of the motor (34) is used for installing a cutting blade (36).

3. A log-wound paper core cutting apparatus according to claim 1, wherein: The lower pressing roller set (41) is provided with a plurality of lower pressing rods (42) hingedly installed thereon, the supporting rod (43) is provided with at least two supporting rods (43) connected with a cross rod (44), the middle part of the lower pressing rod (42) is hingedly installed on the cross rod (44), and the end, away from the lower pressing roller set (41), of the lower pressing rod (42) is connected with a connecting rod (46), and the second push rod device (45) is hingedly connected with the connecting rod (46).

4. A raw paper wound paper core cutting apparatus according to claim 1 or 3, characterized in that: The lower pressing roller set (41) comprises rollers (411), side plates (412) and connecting rods (413), two rollers (411) are installed at the lower ends of the two side plates, connecting rods (413) are installed at the upper ends of the two side plates, the connecting rods (413) slide through the lower pressing rods (42), so that the lower pressing roller set (41) is hinged with the lower pressing rods (42).

5. A log-wound paper core cutting-to-length apparatus according to claim 1, characterized in that: The slide rod (64) is fixedly provided with a supporting shaft (66), and the supporting shaft (66) is provided with the stop block (65) through a bearing (661).

6. A log-wound paper core cutting-to-length apparatus according to claim 1, characterized in that: A scale (67) is arranged on the guide seat (61) along the length direction of the guide seat (61).

7. A raw paper wound paper core cutting apparatus according to claim 1 or 5 or 6, characterized in that: The side, where the stop block (65) abuts against the paper core (70), is provided with an extension part (651), which is used for being inserted into the inner hole of the paper core (70) or for being sleeved on the outside of the paper core (70).

8. A log-wound paper core cutting-to-length apparatus according to claim 1, characterized in that: At least one free roller set (50) is further installed on the rack (10), and the free roller set (50) comprises two free rollers (51), the two free rollers (51) are arranged in parallel, and the two ends of the free roller (51) are respectively installed on the rack (10) through bearing seats (52).

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