CN111099070A

CN111099070A - Wrapping paper unwinding device

Info

Publication number: CN111099070A
Application number: CN201911362235.4A
Authority: CN
Inventors: 卢威; 戴泽辉
Original assignee: Shandong Hongwang Industrial Co Ltd
Current assignee: Shandong Hongwang Industrial Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-05-05

Abstract

The invention provides a wrapping paper unreeling device which comprises a supporting seat, a central shaft and two bearing seats, wherein the two bearing seats are oppositely fixed on the supporting seat, a bearing is arranged in each bearing seat, two ends of the central shaft respectively penetrate through the corresponding bearings, and the central shaft is in clearance fit with an inner ring of each bearing so that the central shaft can be drawn out of the two bearings and can rotate relative to the bearings. Through setting up two bearing frames on the supporting seat, install the bearing in each bearing frame, center pin and bearing inner race clearance fit, when the scroll is put to needs, take out the center pin, locate the center pin with the scroll along the pot head of center pin between two bearing frames on, through the tape head of pulling the scroll, thereby drive the scroll roll and roll unreel. Because the center pin is worn to locate in two bearing framves, can avoid the center pin to rock or drop, promote the convenience and the stability of unreeling.

Description

Wrapping paper unwinding device

Technical Field

The invention relates to a packaging paper unreeling device.

Background

After the stainless steel coil is processed, the stainless steel coil needs to be packaged by packaging paper to protect the stainless steel coil. The packaging paper roll is usually unreeled by an unreeling device. The existing unwinding device needs manual work or a hoisting machine to place the central shaft of the paper roll on an open bearing seat, so that the operation is complex, the stability of the central shaft on the open bearing seat is poor, the central shaft is easy to shake or fall off, and the danger is high. In addition, because the packing scroll is heavier, current unwinding device needs the manpower cooperation to rotate the scroll and unreel, and troublesome poeration wastes time and energy, seriously influences work efficiency. Therefore, it is necessary to design a new wrapping paper unwinding device to solve the above existing problems.

Disclosure of Invention

In view of the above, the present invention provides a wrapping paper unwinding device, which can improve convenience and stability of unwinding.

The technical solution scheme involved in the invention is as follows:

the utility model provides a wrapping paper unwinding device, includes supporting seat, center pin and two bearing frames, and on two bearing frame relatively fixed in supporting seat, install the bearing in each bearing frame, the both ends of center pin wear to locate respectively in the bearing that corresponds, and the center pin is clearance fit with the inner circle of each bearing to supply the center pin can take out and can rotate by relative bearing from two bearings.

Further, the central shaft adopts an expansion shaft or a hollow shaft.

Further, the shaft that expands and contracts includes hollow shaft, screw seat, lead screw, a plurality of round platform shape sliders and flexible lug, is close to the position at both ends in the hollow shaft and is fixed with the screw seat respectively, and the lead screw rotationally wears to locate on the screw seat, lies in on the lead screw to be fixed with a plurality of round platform shape sliders between two screw seats at the interval, and a plurality of spouts have been seted up to the outer peripheral face that corresponds each round platform shape slider on the hollow shaft, and it is provided with flexible lug to slide in each spout.

Furthermore, one end of the telescopic lug, which is positioned in the hollow shaft, is an inclined plane matched with the truncated cone-shaped sliding block, and the other end of the telescopic lug is an elastic arc surface.

Furthermore, one end of the circular truncated cone-shaped sliding block with the larger outer diameter is provided with a cylindrical sliding block matched with the inner diameter of the hollow shaft.

Furthermore, one end of the screw rod extends out of the hollow shaft and is fixed with a hand wheel.

Further, the lead screw adopts the slide bar to replace, and the screw seat adopts the sliding seat to replace, and the both ends slidable of slide bar wear to locate in the corresponding sliding seat, realizes adjusting the external diameter of breathing axle through promoting the slide bar.

Further, the supporting seat comprises a bottom frame and supporting frames fixed at two ends of the bottom frame.

Further, the support frame adopts a trapezoidal frame.

Further, the bearing seat is fixed on the top surface of the support frame by bolts.

In summary, the wrapping paper unwinding device of the invention is provided with the two bearing seats on the supporting seat, each bearing seat is internally provided with the bearing, the central shaft is in clearance fit with the inner ring of the bearing, when the paper roll needs to be unwound, the central shaft is drawn out, the paper roll is sleeved on the central shaft from one end of the central shaft between the two bearing seats, and the paper roll is driven to roll by pulling the tape head of the paper roll so as to unwind. Because the center pin is worn to locate in two bearing framves, can avoid the center pin to rock or drop, promote the convenience and the stability of unreeling.

Drawings

FIG. 1 is a perspective view of a wrapping paper unwinding device according to the present invention;

FIG. 2 is a side view of the wrapping paper unwinding device of the present invention;

FIG. 3 is a top view of the wrapping paper unwinding device of the present invention;

fig. 4 is a sectional view of a central shaft of the wrapping paper unwinding device of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1 to 3, the present invention provides a wrapping paper unwinding device, including a supporting seat 1, two bearing seats 2 and a central shaft 3, wherein the two bearing seats 2 are relatively fixed on the supporting seat 1, a bearing is installed in each bearing seat 2, two ends of the central shaft 3 respectively penetrate through the corresponding bearings, and the central shaft 3 is in clearance fit with an inner ring of each bearing, so that the central shaft 3 can be drawn out from the two bearings and can rotate relative to the bearings.

According to the wrapping paper unreeling device, the two bearing blocks 2 are arranged on the supporting seat 1, the bearing is arranged in each bearing block 2, the central shaft 3 is in clearance fit with the inner ring of the bearing, when a paper roll needs to be unreeled, the central shaft 3 is drawn out, the paper roll is sleeved on the central shaft 3 from the position between the two bearing blocks 2 along one end of the central shaft 3, and the paper roll is driven to roll by pulling the tape head of the paper roll so as to be unreeled. Because the center pin 3 wears to locate in two bearing frames 2, can avoid the center pin 3 to rock or drop, promote the convenience and the stability of unreeling.

The support base 1 includes a bottom frame 11 and support frames 12 fixed at two ends of the bottom frame 11. The bottom frame 11 is a rectangular frame, and a reinforcing rod is fixedly connected in the rectangular frame. The support frame 12 adopts a trapezoidal frame, so that the stability is improved, and materials are saved. The bottom frame 11 and the support frame 12 can be formed by welding channel steel.

The two bearing blocks 2 may be bolted to the top surface of the support frame 12.

The central shaft 3 can be a hollow shaft to reduce weight.

Referring to fig. 4, the central shaft 3 may also be an expansion shaft, which is capable of adjusting the outer diameter of the expansion shaft according to the inner diameter of the paper roll, so that the expansion shaft is tightly fitted with the paper roll, and the paper roll drives the expansion shaft to rotate, thereby driving the paper roll to rotate by pulling the tape head of the paper roll more laborsavingly, and the operation is simpler and the work efficiency is improved.

The expanding shaft comprises a hollow shaft 31, a screw seat 32, a screw rod 33, a plurality of circular truncated cone-shaped sliders 34 and a telescopic lug 35, the screw seat 32 is fixed at the position close to two ends in the hollow shaft 31 respectively, the screw rod 33 rotatably penetrates through the screw seat 32, a plurality of circular truncated cone-shaped sliders 34 are fixed at intervals between the two screw seats 32 on the screw rod 33, a plurality of sliding grooves are formed in the outer peripheral surface of the hollow shaft 31 corresponding to each circular truncated cone-shaped slider 34, a telescopic lug 35 is slidably arranged in each sliding groove, one end of the telescopic lug 35 in the hollow shaft 31 is an inclined surface matched with the circular truncated cone-shaped sliders 34, the other end of the telescopic lug 35 is an elastic arc surface, and the inner wall of the paper tube is clamped in a matching mode when the telescopic lug 35 extends out to the periphery of the hollow shaft 31.

Preferably, the larger outer diameter end of the truncated cone shaped slider 34 has a cylindrical slider 36 that matches the inner diameter of the hollow shaft 31 to improve the stability of sliding.

In order to adjust the outer diameter of the expansion shaft conveniently, one end of the screw rod 33 extends out of the hollow shaft 31, and a hand wheel 37 is fixed on the screw rod.

It can be understood that the lead screw 33 can also be replaced by a slide rod, the nut seat 32 is replaced by a slide seat, two ends of the slide rod can be slidably arranged in the corresponding slide seats in a penetrating manner, and the adjustment of the outer diameter of the expansion shaft is realized by pushing the slide rod.

In summary, according to the wrapping paper unwinding device, the two bearing seats 2 are arranged on the supporting seat 1, the bearing is installed in each bearing seat 2, the central shaft 3 is in clearance fit with the inner ring of the bearing, when a paper roll needs to be placed, the central shaft 3 is pulled out, the paper roll is sleeved on the central shaft 3 from the position between the two bearing seats 2 along one end of the central shaft 3, and the paper roll is driven to roll by pulling the tape head of the paper roll so as to be unwound. Because the center pin 3 wears to locate in two bearing frames 2, can avoid the center pin 3 to rock or drop, promote the convenience and the stability of unreeling.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a wrapping paper unwinding device, includes supporting seat (1) and center pin (3), its characterized in that still includes two bearing frames (2), on two bearing frame (2) relatively fixed in supporting seat (1), install the bearing in each bearing frame (2), the both ends of center pin (3) are worn to locate respectively in the bearing that corresponds, center pin (3) are clearance fit with the inner circle of each bearing to supply center pin (3) can take out and can rotate relative bearing from two bearings.

2. Wrapping paper unwinding device according to claim 1, characterized in that the central shaft (3) is an expanding or contracting shaft or a hollow shaft.

3. The wrapping paper unwinding device of claim 2, wherein the expansion shaft comprises a hollow shaft (31), a nut seat (32), a lead screw (33), a plurality of truncated cone-shaped sliders (34) and a telescopic lug (35), the nut seat (32) is fixed at a position close to two ends in the hollow shaft (31), the lead screw (33) rotatably penetrates through the nut seat (32), the plurality of truncated cone-shaped sliders (34) are fixed between the two nut seats (32) at intervals on the lead screw (33), a plurality of sliding grooves are formed in the outer peripheral surface of the hollow shaft (31) corresponding to each truncated cone-shaped slider (34), and the telescopic lug (35) is slidably arranged in each sliding groove.

4. Wrapping paper unwinding device according to claim 3, characterized in that one end of the telescopic projection (35) located inside the hollow shaft (31) is an inclined surface matched with the truncated cone-shaped slider (34), and the other end of the telescopic projection (35) is an elastic arc surface.

5. Wrapping paper unwinding device according to claim 3, characterized in that the end of the truncated cone shaped slider (34) with the larger outer diameter has a cylindrical slider (36) adapted to the inner diameter of the hollow shaft (31).

6. Wrapping paper unwinding device according to claim 3, characterized in that one end of the screw (33) protrudes outside the hollow shaft (31) and is fixed with a hand wheel (37).

7. Wrapping paper unwinding device according to claim 3, characterized in that the screw (33) is replaced by a slide bar, the screw seat (32) is replaced by a slide seat, the two ends of the slide bar are slidably arranged in the corresponding slide seats, and the adjustment of the outer diameter of the expansion and contraction shaft is realized by pushing the slide bar.

8. Wrapping paper unwinding device according to claim 1, characterized in that the support base (1) comprises a bottom frame (11) and support frames (12) fixed to both ends of the bottom frame (11).

9. Wrapping paper unwinding device according to claim 8, characterized in that the support frame (12) is a trapezoidal frame.

10. Wrapping paper unwinding device according to claim 8, characterized in that the bearing block (2) is bolted to the top surface of the support frame (12).