CN211998062U

CN211998062U - Deviation correcting device for plastic bag film

Info

Publication number: CN211998062U
Application number: CN202020098497.6U
Authority: CN
Inventors: 缪强; 李强; 陈荣
Original assignee: Shanghai Tongtong Light Industry Machinery Co ltd
Current assignee: Shanghai Tongtong Light Industry Machinery Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-24
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a deviation correcting device of plastic bag film relates to the technical field of plastic bag processing, including the frame, the frame bilateral symmetry is provided with the curb plate, and parallel arrangement has first axis of rotation and second axis of rotation between the curb plate, and first axis of rotation is located directly over the second axis of rotation, coaxial rotation on the first axis of rotation is connected with first compression roller, coaxial rotation on the second axis of rotation is connected with the second compression roller, the both ends of first axis of rotation and second axis of rotation are connected through the connecting block, the both ends of second axis of rotation are fixed with the connecting block; two ends of the first rotating shaft penetrate into the connecting block and can move up and down along the connecting block; the top end of the connecting block is rotatably connected with an adjusting rod, threads are fixed on the adjusting rod, the adjusting rod is in threaded connection with the first rotating shaft, and the connecting block is arranged on the inner side of the side plate. The plastic film deviation correcting device can correct deviation of the plastic film and reduce the possibility of deviation of the plastic film.

Description

Deviation correcting device for plastic bag film

Technical Field

The utility model belongs to the technical field of the technique of plastic bag processing and specifically relates to a deviation correcting device of plastic bag film is related to.

Background

The plastic bag is made of plastic (common plastic such as polyethylene, polypropylene, polyester, nylon and the like) as a main raw material, is an essential article in daily life of people, and is often used for containing articles. In the production process of plastic bags, the plastic films for manufacturing the plastic bags are generally conveyed by a plurality of rotating rollers, and the two plastic films forming the plastic bags are easy to shift in the conveying process, so that the subsequent processing is influenced.

The prior art refers to the chinese utility model patent with the grant publication number CN208841936U, the utility model discloses a bag-making production line of cubic plastic bags, which places plastic on a material roller, the plastic is moved to the bevel edge gluing mechanism through the feeding mechanism, the upper ironing knife and the lower ironing knife descend, the upper layer and the lower layer of the plastic respectively pass through the upper surface and the lower surface of the block iron, the upper ironing knife and the lower ironing knife descend to be in contact with the plastic, the bottom surfaces of the upper and lower plastics are scalded with bevel edges, then the plastics move forwards continuously, the plastics move to a centre joint gluing mechanism to scal edges of the bottom surfaces, the plastics move to a bottom edge shearing mechanism to shear according to the size of the set plastic bag after the edges are scalded, a walking mechanism moves to the front side of the bottom edge shearing mechanism to wait, after 10 pieces of plastic bags are sheared, the automatic clamp clamps the 10 plastic bags to move towards the bevel edge shearing mechanism, and the plastic bags are moved to the bevel edge shearing mechanism to be sheared. The utility model discloses a cube plastic bag one shot forming that makes, degree of automation is higher, has improved system bag efficiency.

The above prior art solutions have the following drawbacks: however, the plastic film is not subjected to deviation rectification in the plastic film conveying process, so that adverse effects and defective products are easily caused on subsequent processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deviation correcting device of plastic bag film, it can rectify to the plastic film, reduces the possibility that the plastic film takes place the skew to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions:

a deviation correcting device for plastic bag films comprises a rack, wherein side plates are symmetrically arranged on two sides of the rack, a first rotating shaft and a second rotating shaft are arranged between the side plates in parallel, the first rotating shaft is positioned right above the second rotating shaft, a first compression roller is coaxially and rotatably connected to the first rotating shaft, a second compression roller is coaxially and rotatably connected to the second rotating shaft, two ends of the first rotating shaft and two ends of the second rotating shaft are connected through connecting blocks, and two ends of the second rotating shaft are fixed to the connecting blocks; two ends of the first rotating shaft penetrate into the connecting block and can move up and down along the connecting block; the top end of the connecting block is rotatably connected with an adjusting rod, threads are fixed on the adjusting rod, the adjusting rod is in threaded connection with the first rotating shaft, and the connecting block is arranged on the inner side of the side plate.

Through adopting above-mentioned technical scheme, two-layer plastic film passes from between first compression roller and the second compression roller, when taking place the skew between two-layer plastic film, rotates the regulation pole, and first rotation axis drives first compression roller and reciprocates along the connecting block to this changes the clearance between first compression roller and the second compression roller, with this change first compression roller and second compression roller to the degree that compresses tightly of plastic film. When only adjusting the regulation pole of one of them end, be close to this first axis of rotation of adjusting pole one end and can reciprocate, first compression roller and second compression roller are no longer parallel, when first compression roller is close to this one end of adjusting the pole and second compression roller butt when tighter, just press the plastic film here tighter, because of first compression roller and second compression roller nonparallel, first compression roller can produce the ascending component force of a horizontal direction, at the plastic film forward motion's in-process, this horizontal component force will drive the plastic film and align, the condition that the skew takes place for the reduction plastic film.

The present invention may be further configured in a preferred embodiment as: the connecting block is connected with the side plate in a sliding manner and can slide up and down along the side plate; two parallel fixing rods are fixed between the side plates, the two fixing rods are arranged at intervals up and down, and the two fixing rods are located on one side of the first rotating shaft and one side of the second rotating shaft.

Through adopting above-mentioned technical scheme, the plastic film passes from between two dead levers, then passes from between first compression roller and the second compression roller again, adjusts the height of connecting block, and the connecting block drives first compression roller and second compression roller and reciprocates to this changes the plastic film and wears out from the dead lever, then reaches the path distance that passes through between first compression roller and the second compression roller, with this rate of tension that can adjust the plastic film, reduces the plastic film and takes place because of the improper condition of damaging of tensioning dynamics.

The present invention may be further configured in a preferred embodiment as: the mounting seat is fixed on the inner side of the side plate, a connecting column is vertically arranged on the connecting block, threads are fixed on the connecting column, and the connecting column is in threaded connection with the connecting block; the connecting column is rotatably connected with the mounting seat, and the lower end of the connecting column penetrates out of the mounting seat; the upper end of the connecting column is in threaded connection with the connecting block, and the lower end of the connecting column is fixedly connected with a first bevel gear; a rotating rod is rotatably connected between the two side plates and is positioned below the mounting seat; two ends of the rotating rod are fixedly provided with second bevel gears which are meshed with the first bevel gears; the side plate is provided with a guide groove matched with the connecting block, and the connecting block can slide up and down in the guide groove.

Through adopting above-mentioned technical scheme, rotate the dwang, the dwang drives second bevel gear and rotates, second bevel gear drives first bevel gear and rotates, first bevel gear drives the spliced pole and rotates, the spliced pole can rotate with the mount pad through the bearing and be connected, the connecting block reciprocates along the spliced pole to this height of adjusting the connecting block, change the height of first compression roller and second compression roller, with this tensioning dynamics of adjusting the plastic film, it is convenient to adjust, easy operation.

The present invention may be further configured in a preferred embodiment as: a connecting rod is rotatably connected between the side plates, and a gear is fixed on the connecting rod; and a rack is fixed on the rack, and the gear is meshed with the rack.

Through adopting above-mentioned technical scheme, rotate the connecting rod, the connecting rod drives gear revolve, and the gear removes along the rack to this removes two blocks of curb plates, and the curb plate drives first compression roller and the removal of second compression roller, conveniently removes the position of first compression roller and second compression roller, conveniently carries out the tensioning and rectifies a deviation to the plastic film in different positions.

The present invention may be further configured in a preferred embodiment as: the side plates are provided with locking pieces used for locking the rotating rods and the connecting rods.

By adopting the technical scheme, when the first compression roller and the second compression roller do not work, the rotating rod and the connecting rod are locked through the locking part, so that the connecting block is prevented from moving up and down randomly due to the rotation of the rotating rod; the connecting rod is prevented from rotating to enable the side plate to move randomly.

The present invention may be further configured in a preferred embodiment as: the locking piece is fixed on the side plate, a through hole and an adjusting seam are formed in the locking piece, one end of the adjusting seam is connected with the through hole, and the other end of the adjusting seam penetrates through the locking piece; the locking piece is arranged at the end parts of the rotating rod and the connecting rod, and one ends of the rotating rod and the connecting rod respectively penetrate through the through holes; and the locking piece is in threaded connection with a locking bolt, and the locking bolt penetrates through the adjusting slot.

Through adopting above-mentioned technical scheme, the retaining member can pass through the bolt fastening on the curb plate, and the handle can be fixed on the locking bolt top, rotates the locking bolt, and the locking bolt passes the regulation seam, screws up the locking bolt, can with dwang and connecting rod clamp locking.

The present invention may be further configured in a preferred embodiment as: the stabilizer bar fixing device is characterized in that two parallel stabilizer bars are arranged between the side plates, two ends of each stabilizer bar are fixed on the side plates respectively, the stabilizer bars are placed on the rack, pressing strips are detachably connected to the rack and pressed on the stabilizer bars, and two ends of each pressing strip are connected with the rack.

Through adopting above-mentioned technical scheme, the stabilizer bar is convenient for the stable placing in the frame of curb plate, and the layering is pushed down the stabilizer bar for the curb plate can be placed more steadily, avoids the curb plate to take place the condition emergence of empting.

The present invention may be further configured in a preferred embodiment as: one end of the connecting rod extends out of the side plate, and one end of the connecting rod extending out of the side plate is fixedly connected with a hand wheel.

Through adopting above-mentioned technical scheme, put just and rotate the connecting rod.

The present invention may be further configured in a preferred embodiment as: the first rotating shaft is cylindrical, the top surfaces of the two ends of the first rotating shaft are horizontally cut to form tangent planes, and the adjusting rod is connected to the tangent planes.

Through adopting above-mentioned technical scheme, the level tangent plane is easy to assemble the regulation pole.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the adjusting rod is rotated to change the pressure at the two ends of the first pressing roller, so that the first pressing roller generates component force in the horizontal direction, the component force is utilized to correct the deviation of the plastic film, and the adjustment is convenient;

2. the first pressing roller and the second pressing roller can move up and down, so that the tension degree of the plastic film can be adjusted, and the plastic film is prevented from being damaged due to improper tension force;

3. the connecting rod is rotated, the connecting rod drives the gear to rotate, the side plate is driven to move on the rack in a rotating mode, and the side plate is convenient to move, so that the first compression roller and the second compression roller are moved.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic view of the overall structure of a plastic film passing through the device;

FIG. 3 is a partial schematic view showing the connection of a first bevel gear and a second bevel gear;

fig. 4 is a partial structural view showing the locker.

Reference numerals: 1. a frame; 11. a side plate; 111. a mounting seat; 112. a guide groove; 113. a flat plate; 12. rotating the rod; 121. a second bevel gear; 13. a connecting rod; 131. a gear; 132. a hand wheel; 14. a rack; 15. fixing the rod; 16. a stabilizer bar; 17. layering; 2. a first rotating shaft; 3. a second rotating shaft; 4. a first press roll; 5. a second press roll; 6. connecting blocks; 61. a through groove; 7. adjusting a rod; 8. connecting columns; 81. a first bevel gear; 9. a locking member; 91. adjusting the seam; 92. a locking bolt; 10. a plastic film.

Detailed Description

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

Referring to fig. 1 and 2, for utility model discloses a deviation correcting device of plastic bag film, including frame 1, symmetry set up curb plate 11 and parallel arrangement in the curb plate 11 of frame 1 both sides first axis of rotation 2 and second axis of rotation 3 between curb plate 11, and first axis of rotation 2 is located second axis of rotation 3 directly over. Rotate on the first axis of rotation 2 and be connected with first compression roller 4, rotate on the second axis of rotation 3 and be connected with second compression roller 5, leave the gap that supplies plastic film 10 to pass through between first compression roller 4 and the second compression roller 5. The first rotating shaft 2 is provided with an adjusting rod 7.

The plastic film 10 passes through the space between the first pressing roller 4 and the second pressing roller 5, the position of the first pressing roller 4 can be changed through the adjusting rod 7, the pressure of the first pressing roller 4 on the plastic film 10 is changed, and therefore the position of the plastic film 10 is adjusted, and therefore deviation rectification is conducted on the plastic film 10.

Referring to fig. 1 and 3, the first rotating shaft 2 and the second rotating shaft 3 are cylindrical, the first pressing roller 4 and the second pressing roller 5 are also cylindrical, the first pressing roller 4 is coaxially and rotatably connected with the first rotating shaft 2 through a bearing, and the second pressing roller 5 is coaxially and rotatably connected with the second rotating shaft 3 through a bearing. The two ends of the first rotating shaft 2 and the second rotating shaft 3 are connected through a connecting block 6, and the two ends of the second rotating shaft 3 are fixed with the connecting block 6. The connecting block 6 is provided with a through groove 61, the two ends of the first rotating shaft 2 penetrate through the through groove 61, and the connecting block can slide up and down along the through groove 61. Connecting block 6 and curb plate 11 sliding connection have seted up guide way 112 on the curb plate 11, and connecting block 6 can reciprocate in guide way 112.

Referring to fig. 1 and 3, a flat plate 113 is fixed on the top of the side plate 11, the flat plate 113 is located above the guide groove 112 and inside the side plate 11, and the adjustment rod 7 may be rotatably connected with the flat plate 113 through a bearing. The top surfaces at the two ends of the first rotating shaft 2 are horizontally cut to form tangent planes, the adjusting rod 7 can be a threaded rod, and the adjusting rod 7 is in threaded connection with the first rotating shaft 2 and is connected to the tangent planes.

If the plastic film 10 deviates towards one end of the first rotating shaft 2, the adjusting rod 7 at the end of the first rotating shaft 2 is rotated to move the end of the first rotating shaft 2 close to the adjusting rod 7 up and down along the through groove 61, so as to change the pressure of the end of the first rotating shaft 2 on the plastic film 10. Since one end of the first rotating shaft 2 moves up and down and the other end position is not changed, the first rotating shaft 2 and the second rotating shaft 3 are no longer parallel, so that the first pressing roller 4 and the second pressing roller 5 are not parallel. When the first pressing roller 4 and the second pressing roller 5 are abutted more tightly, the first pressing roller 4 generates a horizontal component force, and in the moving process of the plastic films 10, under the action of the horizontal component force, the offset plastic films 10 can be brought back to the original positions, so that the two layers of plastic films 10 are aligned, and the situation that the plastic films 10 are offset is reduced.

Referring to fig. 2, two fixing rods 15 are fixed between the side plates 11, the fixing rods 15 are parallel up and down, the two fixing rods 15 are located at one side of the first rotating shaft 2 and the second rotating shaft 3, and a gap for the plastic film 10 to pass through is reserved between the two fixing rods 15. The fixing bar 15 is parallel to the first pressing roller 4 and the second pressing roller 5. The plastic film 10 passes between the two fixing bars 15 and then between the first pressure roller 4 and the second pressure roller 5.

Referring to fig. 3, a mounting seat 111 is fixed on the inner side of the side plate 11, a connecting column 8 is vertically arranged on the connecting block 6, and the connecting column 8 is in threaded connection with the connecting block 8. The connecting column 8 can be a threaded column, the connecting column 8 can be rotatably connected with the mounting seat 111 through a bearing, and the lower end of the connecting column penetrates out of the mounting seat 111. The upper end of the connecting column 8 is in threaded connection with the connecting block 6, and the lower end is fixed with a first bevel gear 81. A rotating rod 12 is rotatably connected between the two side plates 11, the rotating rod 12 is located below the mounting seat 111, two second bevel gears 121 are fixed at two ends of the rotating rod 12, and the second bevel gears 121 are engaged with the first bevel gears 81. One end of the rotating rod 12 penetrates out of the side plate 11, and one end penetrating out of the side plate 11 can be fixed with a turntable convenient to hold.

Rotate dwang 12, dwang 12 drives second bevel gear 121 and rotates, second bevel gear 121 drives first bevel gear 81 and rotates, first bevel gear 81 drives spliced pole 8 and rotates for connecting block 6 reciprocates at spliced pole 8, adjust the height of connecting block 6 with this, change the height of first compression roller 4 and second compression roller 5, adjust the tensioning dynamics of plastic film 10 with this, it is convenient to adjust, easy operation.

Referring to fig. 2, racks 14 are fixed on two opposite sides of the frame 1, a connecting rod 13 is rotatably connected between the two side plates 11, and the connecting rod 13 is located at the bottom of the side plates 11. One end of the connecting rod 13 penetrates through the side plate 11, and a hand wheel 132 which is convenient to rotate is fixed on the connecting rod. The connecting rod 13 has gears 131 fixed to both ends thereof to be engaged with the racks 14. Stabilizer bars 16 are disposed on both sides of the connecting rod 13, both ends of the stabilizer bars 16 are fixed to the side plates 11, and the stabilizer bars 16 are parallel to the connecting rod 13. Two stabilizer bars 16 are placed on the frame 1, and a pressing bar 17 is arranged above the stabilizer bars 16; the bead 17 presses on the stabilizer bar 16 and may be perpendicular to the stabilizer bar 16. The two ends of the pressing strip 17 are fixed with the rack 1 through bolts, so that the side plate 11 is more stable, and the situation that the side plate 11 inclines is reduced.

The hand wheel 132 is rotated, the hand wheel 132 drives the connecting rod 13 to rotate, the connecting rod 13 drives the gear 131 to rotate, the gear 131 moves along the rack 14 to drive the side plate 11 to move, the side plate 11 drives the first pressing roller 4 and the second pressing roller 5 to move, the first pressing roller 4 and the second pressing roller 5 are convenient to move, and the plastic films 10 at different positions can be conveniently tensioned and corrected.

Referring to fig. 4, a locking member 9 for locking the rotating lever 12 and the connecting rod 13 is fixed to the outer side of the side plate 11 by bolts, and the locking member 9 is provided at the end portions of the rotating lever 12 and the connecting rod 13, respectively. The locking piece 9 is provided with a through hole for the rotating rod 12 and the connecting rod 13 to pass through, and the locking piece 9 is also provided with an adjusting slit 91; one end of the adjusting slit 91 is communicated with the through hole, and the other end penetrates through the locking piece 9. A locking bolt 92 is threadedly coupled to the locker 9, and one end of the locking bolt 92 passes through the adjustment slit 91 and is fixed to the locker 9. To facilitate turning the locking bolt 92, a handle may be fixed to the tip of the locking bolt 92. The locking bolt 92 is tightened, and the locking bolt 92 presses the adjustment slit 91 to close toward the middle of the slit, thereby clamping and fixing the rotating lever 12 or the connecting rod 13 and preventing the rotating lever 12 or the connecting rod 13 from rotating freely.

The working principle of the deviation correcting device for the plastic bag film is as follows:

the plastic film 10 penetrates through the space between the two fixing rods 15 and then penetrates between the first pressing roller 4 and the second pressing roller 5, and the adjusting rod 7 is rotated to perform deviation rectification treatment on the plastic film 10 with deviation between the first pressing roller 4 and the second pressing roller 5; the height of the connecting block 6 is adjusted, so that the tensioning force of the plastic film 10 can be adjusted; by rotating the connecting rod 13, the connecting rod 13 can move along the rack 14, so that the positions of the first pressing roller 4 and the second pressing roller 5 are conveniently moved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a deviation correcting device of plastic bag film, includes frame (1), and frame (1) bilateral symmetry is provided with curb plate (11), and parallel arrangement has first axis of rotation (2) and second axis of rotation (3) between curb plate (11), and just first axis of rotation (2) are located second axis of rotation (3) directly over, coaxial rotation is connected with first compression roller (4) on first axis of rotation (2), and coaxial rotation is connected with second compression roller (5), its characterized in that on second axis of rotation (3): the two ends of the first rotating shaft (2) and the second rotating shaft (3) are connected through a connecting block (6), and the two ends of the second rotating shaft (3) are fixed with the connecting block (6); two ends of the first rotating shaft (2) penetrate into the connecting block (6) and can move up and down along the connecting block (6); the connecting block (6) top is rotated and is connected with regulation pole (7), be fixed with the screw thread on adjusting pole (7), adjust pole (7) and first axis of rotation (2) threaded connection, connecting block (6) set up in the inboard of curb plate (11).

2. The rectification device for plastic bag film according to claim 1, wherein: the connecting block (6) is connected with the side plate (11) in a sliding mode, and the connecting block (6) can slide up and down along the side plate (11); two parallel fixing rods (15) are fixed between the side plates (11), the two fixing rods (15) are arranged at intervals up and down, and the two fixing rods (15) are located on one sides of the first rotating shaft (2) and the second rotating shaft (3).

3. The deviation rectifying device for plastic bag film according to claim 2, wherein: a mounting seat (111) is fixed on the inner side of the side plate (11), a connecting column (8) is vertically arranged on the connecting block (6), threads are fixed on the connecting column (8), and the connecting column (8) is in threaded connection with the connecting block (6); the connecting column (8) is rotatably connected with the mounting seat (111), and the lower end of the connecting column penetrates out of the mounting seat (111); the upper end of the connecting column (8) is in threaded connection with the connecting block (6), and the lower end of the connecting column is fixedly connected with a first bevel gear (81); a rotating rod (12) is rotatably connected between the two side plates (11), and the rotating rod (12) is positioned below the mounting seat (111); two ends of the rotating rod (12) are fixedly provided with second bevel gears (121), and the second bevel gears (121) are meshed with the first bevel gears (81); a guide groove (112) matched with the connecting block (6) is formed in the side plate (11), and the connecting block (6) can slide up and down in the guide groove (112).

4. The rectification device for plastic bag film according to claim 3, wherein: a connecting rod (13) is rotatably connected between the side plates (11), and a gear (131) is fixed on the connecting rod (13); a rack (14) is fixed on the rack (1), and the gear (131) is meshed with the rack (14).

5. The rectification device for plastic bag film according to claim 4, wherein: the side plate (11) is provided with a locking piece (9) used for locking the rotating rod (12) and the connecting rod (13).

6. The rectification device for plastic bag film according to claim 5, wherein: the locking piece (9) is fixed on the side plate (11), a through hole and an adjusting seam (91) are formed in the locking piece (9), one end of the adjusting seam (91) is connected with the through hole, and the other end of the adjusting seam penetrates through the locking piece (9); the locking piece (9) is arranged at the end parts of the rotating rod (12) and the connecting rod (13), and one ends of the rotating rod (12) and the connecting rod (13) respectively penetrate through the through holes; and a locking bolt (92) is connected to the locking piece (9) in a threaded manner, and the locking bolt (92) penetrates through the adjusting slot (91).

7. The rectification device for plastic bag film according to claim 1, wherein: be provided with two parallel stabilizer bars (16) between curb plate (11), the both ends of stabilizer bar (16) are fixed in respectively on curb plate (11), place in frame (1) stabilizer bar (16), the last layering (17) of being connected with of dismantling of frame (1), layering (17) are pressed on stabilizer bar (16), the both ends and the frame (1) of layering (17) are connected.

8. The rectification device for plastic bag film according to claim 4, wherein: one end of the connecting rod (13) extends out of the side plate (11), and one end of the connecting rod extending out of the side plate (11) is fixedly connected with a hand wheel (132).

9. The rectification device for plastic bag film according to claim 1, wherein: the first rotating shaft (2) is cylindrical, the top surfaces of the two ends of the first rotating shaft (2) are horizontally cut to form tangent planes, and the adjusting rod (7) is connected to the tangent planes.