CN203158872U

CN203158872U - Unwinding machine

Info

Publication number: CN203158872U
Application number: CN 201320176876
Authority: CN
Inventors: 丁善玉
Original assignee: ZHEJIANG CHAOWEI MACHINERY CO Ltd
Current assignee: ZHEJIANG CHAOWEI MACHINERY CO Ltd
Priority date: 2013-04-10
Filing date: 2013-04-10
Publication date: 2013-08-28
Anticipated expiration: 2023-04-10

Abstract

The utility model relates to an unwinding machine applicable to bag making machinery or printing machinery. The unwinding machine comprising a frame is characterized in that a driving roller in drive connection with a power source is disposed on the frame, a driven roller arranged outside the driving roller is arranged on the frame through a support shaft, a feed hopper hinged to two ends of the support shaft is provided with connecting arms at two ends of a hinge point, the connecting arms of the feed hopper re connected with a push rod of a pneumatic cylinder, and the pneumatic cylinder located at the rear of the feed hopper is fixed on the frame. A roll of material is wound to the unwinding machine through the cylinder, so that labor is educed. In addition, the unwinding machine needs no unwinding shaft, so that the trouble that deformation of an inner paper tube of the roll of material prevents passage of the unwinding shaft is omitted, and a plurality of rolls of material can be fed simultaneously on the same unwinding machine.

Description

A kind of unreeling machine

Technical field

The utility model relates to printing or bag mechanical field, be specifically related to a kind of unreeling machine applicable to bag machinery or printing machinery, this machine is to utilize the skin friction force of material volume will expect that volume sends, and without any need for unreeling shaft, can control the utility model creation of material volume tension force simultaneously automatically.

Background technology

Be example with the Bag Making Machine, the employed Bag Making Machine of people all is to insert a unreeling shaft in the coiled strip of material volume in the paper tube at present, be placed with plug at axle then, to expect that volume blocks, or utilize a kind of inflatable inflatable axle to insert in the material coil paper pipe, inflation will expect that volume rises again, and then by expecting that manually volume brings up to delivery machine, during the situation that yet these two kinds of unreeling shafts paper tube in running into material volume has been flat or be out of shape, dispensing shaft is just worn not charging and has been rolled up, the operator just is difficult to this material is involved in line operate, and serious words will cause whole material volume to scrap, and loss is serious.Moreover the weight of some material volume is very heavy, and the operator is difficult to expect that volume brings up to delivery machine, has increased working strength of workers and personal safety (expected to roll up be pressed onto or sprain one's back such as workman's pin, this situation happens occasionally) to a great extent.And being a unreeling machine at present, existing unreeling machine can only place a roll of material, when the client need make pouch, in order to increase output, need two volumes or three volumes in addition more multireel make simultaneously, just must increase one or two this moment in addition more delivery machine could make (can not be again on same dispensing shaft a plurality of material of placement roll up, because the external diameter of the volume of the material on same axle is different, it is different that dispensing shaft rotates the length of material of a circle material volume output).

Summary of the invention

Deficiency in view of the prior art existence, the utility model innovative design a kind of neither need dispensing shaft can utilize again air cylinder will expect the volume lift, can also place simultaneously the unreeling machine of multi-thread material volume, this unreeling machine includes frame, it is characterized in that: described frame is provided with the drive roll that is in transmission connection with propulsion source, the described drive roll outside is provided with passive cylinder, described passive cylinder is located on the frame by pivot shaft, the two ends of described pivot shaft are hinged with elevating hopper, the two ends that described elevating hopper is positioned at hinge-point have and connecting arm, the connecting arm of described elevating hopper is connected with the push rod of air cylinder, and described air cylinder is positioned at the elevating hopper rear side and is fixed on the frame;

The spacer device that several spaces are fixedly arranged between described drive roll and the passive cylinder;

Described spacer device includes between drive roll and passive cylinder and is fixed in strut on the frame, and described strut upper surface is provided with jack, vertically is inserted with the retaining roller in the described jack;

The rear side that is positioned at drive roll is provided with the jockey pulley group;

Described jockey pulley group comprises upper tension roller group and lower tension roller group, the upper tension roller group is fixed in the frame top, and the lower tension roller group is fixed in the swing arm, and an end of described swing arm is articulated in frame, described swing arm is connected with the push rod of tension force air cylinder, and an end of described jockey pulley group is connected with speed detector;

This frame is provided with does not have material auto-stop group, and described no material auto-stop group includes pole, and described pole is provided with movable block; described movable block is provided with inductive switch; one side of described inductive switch is provided with inductive head, and described inductive head is provided with sensing arm, and an end of sensing arm is provided with roller.

Deliver on the unreeling machine owing to utilize cylinder will expect to roll up, alleviated the manpower work; In addition, this unreeling machine does not need unreeling shaft, has saved the trouble that unreeling shaft is passed because of paper tube distortion in the material volume, and makes a plurality of material roll up that feeding simultaneously is achieved on same unreeling machine.

Description of drawings

In order further to understand structure of the present utility model and feature, show detailed description by reference to the accompanying drawings:

Fig. 1: overall schematic of the present utility model;

Fig. 2: plan sketch of the present utility model;

Fig. 3: material loading action scheme drawing of the present utility model;

Fig. 4: the utility model is placed a plurality of material volume scheme drawings.

The specific embodiment

As Fig. 1 and shown in Figure 2, unreeling machine of the present utility model includes frame 10, this frame 10 is built on the ground, frame 10 is provided with pivot shaft 101, and the two ends of pivot shaft 101 are provided with bearing 102, and bearing 102 is installed on the frame 10, be with passive cylinder 103 on the pivot shaft 101, be provided with bearing in the passive cylinder 103, so passive cylinder 103 is free to rotate, can not rotate with pivot shaft 101.The inlet point of this frame is provided with elevating hopper 104, this elevating hopper 104 comprises the connecting arm 107 of scooping up body 106 and both sides with a dustpan, scoop up 107 one-tenth certain included angle of body 106 and connecting arm with a dustpan, shape such as dustpan, the lower hinge of described connecting arm 107 is in the two ends of pivot shaft 101, connecting arm 107 upper ends of elevating hopper 104 are connected with the push rod of air cylinder 105, and rear side and its other end that air cylinder 105 is positioned at elevating hopper 104 are fixed on the frame 10.Thus when air cylinder 105 is flexible, the dustpan body 106 that can drive elevating hopper 104 is done and is lifted or down maneuver, as shown in Figure 3, when material volume 100 places on the hopper 104, only need allow air cylinder 105 withdraw, i.e. liftable material volume 100, so just, can save artificial material lift, reduce labour power.Referring again to Fig. 1 and Fig. 2, be provided with drive roll 201 in the left side of passive cylinder 103, one end of drive roll 201 is provided with auxiliary driving gear 202, frame 10 is provided with driving motor 203, the mouth of motor 203 is provided with final gear 204, final gear 204 and auxiliary driving gear 202 intermesh, and form driving motor 203 thus and can drive drive roll 201 and do initiatively transmission.Be provided with spacer device between drive roll 201 and the passive cylinder 103, this spacer device includes between drive roll 201 and passive cylinder 103 and is fixed in strut 301 on the frame 10, strut 301 upper surfaces are provided with jack 302, vertically are inserted with retaining roller 303 in the jack 302.Thus when material volume 100 is placed on two cylinders 201,103, retaining roller 303 will expect that the two sides of volume 100 block, and make material roll up 100 and be unlikely to sway.Please referring to Fig. 4, when desire is placed a plurality of material and rolled up 100, only need to increase retaining roller 303 and can place a plurality of material volumes 100, owing to be that surface-type unreels, can not cause material output length inconsistent, therefore can place a plurality of material volumes 100.

Referring again to Fig. 1 and Fig. 2, frame 10 is provided with jockey pulley group 401, and an end of jockey pulley group 401 is connected with speed detector 402, and is controlled the speed of driving motor 203 by this speed detector 402.Swing arm 403 in the lower tension roller group is provided with tension force air cylinder 404 again, and an end of this tension force air cylinder 404 is connected in the swing arm 403, and the other end is connected on the frame 10, is controlled the tension force size of material by this tension force air cylinder 404.

Also be provided with on the frame 10 and do not have material auto-stop group; described no material auto-stop group includes pole 501; pole 501 is provided with movable block 502; movable block 502 is provided with inductive switch 503; one side of inductive switch 503 is provided with inductive head 504; inductive head 504 is provided with sensing arm 505; one end of sensing arm 505 is provided with roller 506; this roller 506 is contacted with the outer round surface of material volume 100, and therefore after material volume 100 was exported gradually, the outside diameter of material volume 100 can diminish gradually; and sensing arm 505 also can descend gradually; when the material of material volume 100 used up, this moment, inductive head 504 just detected inductive switch 503, controlled machine thus and stopped.

Comprehensively above-mentioned, the flow process of this unreeling machine is as follows:

Open material loading air cylinder 105, the piston rod of material loading air cylinder 105 is stretched out, elevating hopper 104 lies against level ground this moment, piston rod pulling elevating hopper 104, the material volume is lifted by elevating hopper 104 like a cork, close material loading air cylinder 105 again, as shown in Figure 3, because the own wt of material volume, material volume 100 can fall within two cylinders 201 freely, between 103, to expect that again volume 100 material pulls out one until follow-up processing machine, when machine startup, the lower tension roller group can be lifted, and this moment, driving motor 203 began to rotate, because the surface friction of the own wt of material volume 100 and drive roll 201 and material volume, material can be exported continuously.Because an end of jockey pulley group 401 is connected with speed detector, when the speeding up of driving motor 203, the lower tension roller group is raised, when the deceleration of driving motor 203, the lower tension roller group reduces, form the closed loop control of a machinery and circuit thus, make jockey pulley group 401 be in a relative fixed state, also make the driving motor 203 can be with a relatively-stationary frequency run.Simultaneously because some material volume is not very smooth, just need to increase the tension force of material this moment, then can strengthen or reduce air pressure by tension force air cylinder 404, adjust the tension force of material.After all were normal, material volume 100 was output gradually, and diameter diminishes, and detected inductive switch 503 until inductive head 504, and this moment, machine stopped, and volume then more reloads.

Deliver on the unreeling machine owing to utilize cylinder will expect to roll up, alleviated the manpower work; In addition, this unreeling machine does not need unreeling shaft, has saved the trouble that unreeling shaft is passed because of paper tube distortion in the material volume, and makes a plurality of material roll up that feeding simultaneously is achieved on same unreeling machine, has substantive distinguishing features and progress.

Claims

1. unreeling machine, include frame (10), it is characterized in that: described frame (10) is provided with the drive roll (201) that is in transmission connection with propulsion source, described drive roll (201) outside is provided with passive cylinder (103), described passive cylinder (103) is located on the frame (10) by pivot shaft (101), the two ends of described pivot shaft (101) are hinged with elevating hopper (104), the two ends that described elevating hopper (104) is positioned at hinge-point have and connecting arm (107), the connecting arm (107) of described elevating hopper (104) is connected with the push rod of air cylinder (105), and described air cylinder (105) is positioned at elevating hopper (104) rear side and is fixed on the frame (10).

2. a kind of unreeling machine according to claim 1 is characterized in that: the spacer device that several spaces are fixedly arranged between described drive roll (201) and the passive cylinder (103).

3. a kind of unreeling machine according to claim 2, it is characterized in that: described spacer device includes and is positioned between drive roll (201) and the passive cylinder (103) and is fixed in strut (301) on the frame (10), described strut (301) upper surface is provided with jack (302), vertically is inserted with retaining roller (303) in the described jack (302).

4. according to claim 1,2 or 3 described a kind of unreeling machines, it is characterized in that: the rear side that is positioned at drive roll (201) is provided with jockey pulley group (401).

5. a kind of unreeling machine according to claim 4, it is characterized in that: described jockey pulley group (401) comprises upper tension roller group and lower tension roller group, the upper tension roller group is fixed in frame (10) top, the lower tension roller group is fixed in the swing arm (403), one end of described swing arm (403) is articulated in frame (10), described swing arm (403) is connected with the push rod of tension force air cylinder (404), and an end of described jockey pulley group (401) is connected with speed detector (402).

6. according to claim 1,2 or 3 described a kind of unreeling machines; it is characterized in that: this frame (10) is provided with does not have material auto-stop group; described no material auto-stop group includes pole (501); described pole (501) is provided with movable block (502); described movable block (502) is provided with inductive switch (503); one side of described inductive switch (503) is provided with inductive head (504); described inductive head (504) is provided with sensing arm (505), and an end of sensing arm (505) is provided with roller (506).