Material bag cutting device

Abstract

The utility model relates to the technical field of material bags, in particular to a material bag cutting device which comprises a machine frame, a fixing frame is arranged at the rear end of the machine frame, a cutting mechanism is arranged on the fixing frame, rail frames are arranged on the two sides of the front end of the machine frame, and a bag pulling mechanism is arranged between the two rail frames in a sliding mode. A linkage mechanism is connected between the bag pulling mechanism and the cutting mechanism, the bag pulling mechanism is used for grabbing the ends of the material bags and pulling the material bags out by the set length, and the linkage mechanism drives the cutting mechanism to complete fixed-length cutting of the material bags after the material bags are pulled out by the fixed length. Simultaneous differential rotation between the bag pulling lead screw and the double-end lead screw can be completed only through one set of motors, fixed-length bag pulling and bag cutting are achieved, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of material bags, in particular to a material bag cutting device. Background Art

[0002] After the material bags are woven into a cylinder shape, they need to be cut to a fixed length, especially for wide-width material bags. A bag pulling mechanism will be provided on the cutting device to pull the wide material bags to prevent the material bags from stacking and wrinkling during the transmission process. In the current material bag cutting device, the cutting action and the bag pulling action are respectively controlled by different power mechanisms. The two different power mechanisms consume more energy. Therefore, a material bag cutting device is needed to achieve the linkage of the cutting action and the bag pulling action through a clever structural setting. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present scheme provides a material bag cutting device, which is achieved by the following specific technical means: it includes a frame, a fixed frame is provided at the rear end of the frame, a cutting mechanism is provided on the fixed frame, and track frames are provided on both sides of the front end of the frame, a bag pulling mechanism is slidably provided between the two groups of the track frames, a linkage mechanism is connected between the bag pulling mechanism and the cutting mechanism, the bag pulling mechanism is used to grab the end of the material bag and pull the material bag out to a set length, and the linkage mechanism drives the cutting mechanism to complete the fixed-length cutting of the material bag after the material bag is pulled out to a fixed length.

[0004] Preferred technical solution 1: The bag pulling mechanism includes a bag pulling screw rotatably arranged on a track frame and a cross frame slidably arranged between two sets of track frames. The cross frame is sleeved on the bag pulling screw through a threaded hole, and a bag mouth clamping assembly is arranged on the cross frame.

[0005] Preferred technical solution two: the cutting mechanism includes a double-headed screw rotatably arranged on a fixed frame and cutter one and cutter two symmetrically sliding on the fixed frame, and the sides of cutter one and cutter two are sleeved on the double-headed screw through threaded holes.

[0006] Preferred technical solution three: the linkage mechanism is connected with the bag pulling screw and the double-headed screw, and the linkage mechanism includes a bevel gear 1 mounted on the bag pulling screw, and a horizontal axis rotatably arranged on the top of the fixed frame. A vertical axis rotatably arranged on the frame is located between the end of the bag pulling screw and the end of the horizontal axis. The bevel gear 2 mounted on the end of the horizontal axis is meshed with the bevel gear 3 mounted on the top of the vertical axis. At the same time, the bevel gear 4 mounted on the bottom of the vertical axis is meshed with the bevel gear 1 on the bag pulling screw, and the bevel gear 5 mounted on the top of the double-headed screw is meshed with the bevel gear 6 mounted on the horizontal axis.

[0007] Preferred technical solution four: A vertical frame is provided at the rear side of the fixed frame, and a bag-feeding roller group is rotatably provided on the vertical frame, and the bag-feeding roller group transmits the woven cylindrical material bags into the fixed frame.

[0008] Preferred technical solution five: A support platform is arranged in the middle of the fixed frame, and a long hole for the second cutter to pass through is opened on the support platform, and the bag feeding roller group conveys the material bag to the support platform.

[0009] The above structure enables this solution to have the following beneficial effects:

[0010] There is no need to use a large number of control components. The linkage of cutting action and bag pulling action can be achieved through the ingenious mechanical structure setting of the linkage mechanism. Only one set of motors can complete the simultaneous differential rotation between the bag pulling screw and the double-headed screw, so as to realize fixed-length bag pulling and bag cutting and reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 This is a schematic diagram of the overall structure of this scheme;

[0013] Figure 2 This is the rear view of this scheme;

[0014] Figure 3 This is a schematic diagram of the structure of the linkage mechanism of this scheme;

[0015] Figure 4 This is a cross-sectional view of this scheme.

[0016] Among them, 1. frame, 2. fixed frame, 3. cutting mechanism, 31. double-headed screw, 32. cutter one, 33. cutter two, 34. support, 35. long hole, 4. track frame, 5. bag pulling mechanism, 51. horizontal frame, 52. fixed clamping jaw, 53. telescopic rod, 54. movable clamping jaw, 55. bag pulling screw, 6. linkage mechanism, 61. bevel gear one, 62. bevel gear two, 63. bevel gear three, 64. bevel gear four, 65. bevel gear five, 66. bevel gear six, 67. vertical axis, 68. horizontal axis, 7. vertical frame, 8. bag feeding roller group, 81. roller one, 82. roller two, 83. slide seat, 84. spring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 4 The material bag cutting device comprises a frame 1, a fixed frame 2 is arranged at the rear end of the frame 1, a cutting mechanism 3 is arranged on the fixed frame 2, and track frames 4 are arranged on both sides of the front end of the frame 1, a bag pulling mechanism 5 is slidably arranged between the two groups of track frames 4, and a linkage mechanism 6 is connected between the bag pulling mechanism 5 and the cutting mechanism 3; the bag pulling mechanism 5 comprises a bag pulling screw rod 55 rotatably arranged on the track frame 4 and a cross frame 51 slidably arranged between the two groups of track frames 4, the cross frame 51 is sleeved on the bag pulling screw rod 55 through a threaded hole, and a bag mouth clamping component is arranged on the cross frame 51; the cutting mechanism 3 comprises a double-headed screw rod 31 rotatably arranged on the fixed frame 2 and a cutter 1 32 and a cutter 2 33 symmetrically slidably arranged on the fixed frame 2, the sides of the cutter 1 32 and the cutter 2 33 are sleeved on the double-headed screw rod 31 through a threaded hole, and a bag mouth clamping component is arranged in the middle of the fixed frame 2. The support platform 34 is provided with a long hole 35 for the second cutter 33 to pass through. When the top edge of the second cutter 33 passes through the long hole 35 and moves to the top surface of the support platform 34, it docks with the bottom edge of the first cutter 32; the linkage mechanism 6 is connected with the bag pulling screw rod 55 and the double-headed screw rod 31, and is used to drive the bag pulling screw rod 55 and the double-headed screw rod 31 to rotate differentially at the same time. When the cross frame 51 approaches the fixed frame 2, the first cutter 32 and the second cutter 33 move away from each other. When the cross frame 51 moves forward, the first cutter 32 and the second cutter 33 move closer to each other. When the bag mouth clamping assembly on the cross frame 51 pulls the material bag to a set length, the first cutter 32 and the second cutter 33 dock to complete the fixed-length cutting of the material bag, and then the bag mouth clamping assembly releases the clamping of the material bag and moves backward to reset. During the resetting process, the first cutter 32 and the second cutter 33 are simultaneously moved away from each other and reset.

[0019] See also Figure 3, the material bag cutting device, the linkage mechanism 6 includes a bevel gear 1 61 sleeved on the bag pulling screw 55, a horizontal shaft 68 rotatably arranged on the top of the fixed frame 2, and a vertical shaft 67 rotatably arranged on the frame 1 between the end of the bag pulling screw 55 and the end of the horizontal shaft 68, and the bevel gear 2 62 sleeved on the end of the horizontal shaft 68 is meshed with the bevel gear 3 63 sleeved on the top of the vertical shaft 67, and the bevel gear 4 64 sleeved on the bottom end of the vertical shaft 67 is meshed with the bevel gear 1 61 on the bag pulling screw 55, and the bevel gear 5 65 sleeved on the top end of the double-headed screw 31 is meshed with Bevel gear six 66 sleeved on the horizontal shaft 68 is meshed, and the gear transmission between bevel gear one 61, bevel gear two 62, bevel gear three 63, bevel gear four 64, bevel gear five 65 and bevel gear six 66 is utilized to realize the simultaneous differential rotation between the bag pulling screw 55 and the double-headed screw 31. Bevel gear one 61, bevel gear two 62, bevel gear three 63, bevel gear four 64, bevel gear five 65 and bevel gear six 66 are selected in different specifications according to the differential ratio. Motor one is arranged on the frame 1, and the output shaft of motor one is fixedly connected to a set of vertical shafts 67.

[0020] See also Figure 2 and Figure 4 , a material bag cutting device, a vertical frame 7 is provided at the rear side of the fixed frame 2, and a bag feeding roller group 8 is rotatably provided on the vertical frame 7. The bag feeding roller group 8 transmits the woven cylindrical material bag to the support table 34 in the fixed frame 2. The bag feeding roller group 8 includes a roller 1 81 rotatably provided on the vertical frame 7 and a roller 2 82 rotatably provided on the vertical frame 7 and located above the roller 1 81. The top surface of the roller 1 81 is located above the top surface of the support table 34. Preferably, a slide seat 83 is slidably provided on the vertical frame 7, and the roller 2 82 is rotatably connected to the slide seat 83. At the same time, the slide seat 83 is connected to the top of the vertical frame 7. A spring 84 is connected between the walls, and the setting of the spring 84 realizes the elastic contact between the roller 1 81 and the roller 2 82, and a motor 2 is provided on the vertical frame 7 and the slide 83. The two sets of motor 2 output shafts are fixedly connected to the roller shafts of the roller 1 81 and the roller 2 82 respectively. When the cutter 1 32 and the cutter 2 33 are away from each other, the bag mouth clamping assembly approaches the support platform 34, and the material bag is transferred to the support platform 34 and then to the bag mouth clamping assembly for clamping through the rotation of the roller 1 81 and the roller 2 82. After the bag mouth clamping assembly is clamped, it is driven forward by the horizontal frame 51.

[0021] See also Figure 3 , the material bag cutting device, the bag mouth clamping assembly includes a fixed clamping claw 52 fixed on the rear side of the cross frame 51, the top surface of the fixed clamping claw 52 is flush with the top surface of the support platform 34, so that the bag feeding roller group 8 can directly transfer the end of the material bag to the fixed clamping claw 52 when sending the material bag forward. At the same time, a movable clamping claw 54 is installed on the cross frame 51 through a telescopic rod 53. The movable clamping claw 54 moves down and presses on the fixed clamping claw 52 to clamp the end of the material bag.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material bag cutting device, comprising a frame (1), characterized in that: A fixed frame (2) is arranged at the rear end of the frame (1), a cutting mechanism (3) is arranged on the fixed frame (2), and track frames (4) are arranged on both sides of the front end of the frame (1), a bag pulling mechanism (5) is slidably arranged between two groups of the track frames (4), a linkage mechanism (6) is connected between the bag pulling mechanism (5) and the cutting mechanism (3), the bag pulling mechanism (5) is used to grab the end of the material bag and pull the material bag out to a set length, and after the material bag is pulled out to a fixed length, the linkage mechanism (6) drives the cutting mechanism (3) to complete the fixed-length cutting of the material bag.

2. A material bag cutting device according to claim 1, characterized in that: The bag pulling mechanism (5) comprises a bag pulling screw rod (55) rotatably arranged on a track frame (4) and a cross frame (51) slidably arranged between two sets of track frames (4); the cross frame (51) is sleeved on the bag pulling screw rod (55) through a threaded hole; and a bag opening clamping assembly is arranged on the cross frame (51).

3. A material bag cutting device according to claim 2, characterized in that: The cutting mechanism (3) comprises a double-headed screw rod (31) rotatably arranged on a fixed frame (2) and a first cutter (32) and a second cutter (33) symmetrically sliding on the fixed frame (2); the sides of the first cutter (32) and the second cutter (33) are sleeved on the double-headed screw rod (31) through threaded holes.

4. A material bag cutting device according to claim 3, characterized in that: The linkage mechanism (6) is connected to the bag-pulling screw (55) and the double-headed screw (31) and is used to drive the bag-pulling screw (55) and the double-headed screw (31) to rotate at a differential speed simultaneously.

5. A material bag cutting device according to claim 4, characterized in that: The linkage mechanism (6) comprises a bevel gear 1 (61) sleeved on the bag-pulling screw rod (55), and a horizontal shaft (68) rotatably arranged on the top of the fixed frame (2); a vertical shaft (67) rotatably arranged on the frame (1) and located between the end of the bag-pulling screw rod (55) and the end of the horizontal shaft (68); a bevel gear 2 (62) sleeved on the end of the horizontal shaft (68) meshes with a bevel gear 3 (63) sleeved on the top end of the vertical shaft (67); at the same time, a bevel gear 4 (64) sleeved on the bottom end of the vertical shaft (67) meshes with a bevel gear 1 (61) on the bag-pulling screw rod (55); and a bevel gear 5 (65) sleeved on the top end of the double-headed screw rod (31) meshes with a bevel gear 6 (66) sleeved on the horizontal shaft (68).

6. A material bag cutting device according to claim 3, characterized in that: A vertical frame (7) is arranged at the rear side of the fixed frame (2), and a bag-feeding roller group (8) is rotatably arranged on the vertical frame (7), and the bag-feeding roller group (8) transmits the woven cylindrical material bags into the fixed frame (2).

7. A material bag cutting device according to claim 6, characterized in that: A support platform (34) is arranged in the middle of the fixed frame (2), and a long hole (35) is provided on the support platform (34) for the second cutter (33) to pass through. The bag conveying roller group (8) conveys the material bag to the support platform (34).

8. A material bag cutting device according to claim 7, characterized in that: The bag opening clamping assembly comprises a fixed clamping claw (52) fixed to the rear side of the cross frame (51), the top surface of the fixed clamping claw (52) is flush with the top surface of the support platform (34), and a movable clamping claw (54) is installed on the cross frame (51) through a telescopic rod (53).

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