CN214493555U

CN214493555U - Screwing device

Info

Publication number: CN214493555U
Application number: CN202120434737.XU
Authority: CN
Inventors: 张青松; 张斌; 朱世明; 管秀峰; 蒋炬峰; 李国怀; 程从科; 汪凯
Original assignee: Anqing Atge Engineering Co ltd
Current assignee: Anqing Atge Engineering Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-26
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a screwing device, which comprises a third lifting cylinder which is vertically arranged, a rotating motor which drives the fixed end of the third lifting cylinder to rotate along the axis of the third lifting cylinder, and circumferential clamping jaws which are uniformly distributed at the bottom of the third lifting cylinder; the clamping jaw comprises a pressing rod which is hinged with the lower part of the fixed end of the third lifting cylinder and is vertically arranged, a connecting rod of which one end is hinged with the movable end of the third lifting cylinder, and a clamping rod which is fixedly connected with the lower end of the pressing rod and is vertically arranged; the other end of the connecting rod is hinged with the middle part of the pressing rod.

Description

Screwing device

Technical Field

The utility model relates to a mechanical automation field, concretely relates to revolve revolves to twist device.

Background

If the barreled materials have high requirements on sealing performance, a plastic bag needs to be placed in the barrel, and the materials are contained in the plastic bag. After the plastic bag is sleeved in the barrel, the bag opening part naturally falls outside the barrel body.

Generally adopt the ribbon rifle to tighten the sack of plastic bag among the prior art and seal, but the length of ribbon is limited, need rotate the sack through artifical mode, makes the sack draw in to a less size scope by oneself, recycles the ribbon rifle and tightens, and degree of automation is low, and the cost of labor is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a twist and twist device.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a screwing device comprises a third lifting cylinder, a rotating motor and clamping jaws, wherein the third lifting cylinder is vertically arranged, the rotating motor drives the fixed end of the third lifting cylinder to rotate along the axis of the third lifting cylinder, and the clamping jaws are uniformly distributed at the bottom of the third lifting cylinder in the circumferential direction; the clamping jaw comprises a pressing rod which is hinged with the lower part of the fixed end of the third lifting cylinder and is vertically arranged, a connecting rod of which one end is hinged with the movable end of the third lifting cylinder, and a clamping rod which is fixedly connected with the lower end of the pressing rod and is vertically arranged; the other end of the connecting rod is hinged with the middle part of the pressing rod.

The device further comprises a rack, a second lifting cylinder vertically and fixedly arranged on the rack, and a motor mounting plate which is fixedly connected with the moving end of the second lifting cylinder and transversely arranged; the third lift cylinder rotates with the motor mounting panel to be connected, rotating electrical machines fixed mounting is on the motor mounting panel.

Compared with the prior art, the utility model has the advantages that:

the utility model realizes the binding and sealing of the bag mouth in the barrel body through the matching of the lifting device, the enclosing device, the screwing device and the binding gun; the lifting device lifts the bag mouth of the hanging barrel body, the enclosing device folds the bag mouth to be convenient for the clamping jaw to clamp, the clamping jaw clamps the bag mouth upper end and then rotates, the upper end of the bag mouth is driven to be screwed, the radial size of the bag mouth is reduced, and the bag mouth is prevented from expanding outwards, so that the bag mouth is tightened by the annular binding belt of the binding gun.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the tying mechanism of the present invention;

FIG. 3 is a side view of the tying mechanism of the present invention;

fig. 4 is a schematic structural view of the lifting device of the present invention;

fig. 5 is a schematic structural view of the suction lifting assembly of the present invention;

FIG. 6 is a schematic view of the present invention illustrating the lifting of the bag opening;

FIG. 7 is a schematic structural view of the enclosure device of the present invention;

fig. 8 is a schematic structural view of the banding gun of the present invention.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides a revolve to twist the device and use in carrying together tying up a mechanism, with carry together tying up other part cooperations in the mechanism, mention sack 2 outside staving 1 and accomplish and tie up, it includes to carry together tying up a mechanism:

the lifting device 10 is used for lifting the bag mouth dropping outside the barrel body to enable the bag mouth to be higher than the barrel body;

the closing device 20 can form a closing area which is used for closing the lifted bag opening and is higher than the barrel body;

the screwing device 30 is provided with a clamping jaw 34 which is arranged above the furling area and can clamp the upper end of the bag opening and rotate, and the clamping jaw drives the bag opening to be screwed and reduces the radial size of the bag opening;

a tie gun 42 capable of tightening the twisted bag opening between the jaws and the gathering area with a tie.

The bag mouth in the barrel body is bound and sealed through the matching of the lifting device, the enclosing device, the screwing device and the binding gun; the lifting device lifts the bag mouth of the hanging barrel body, the enclosing device folds the bag mouth to be convenient for the clamping jaw to clamp, the clamping jaw clamps the bag mouth upper end and then rotates, the upper end of the bag mouth is driven to be screwed, the radial size of the bag mouth is reduced, and the bag mouth is prevented from expanding outwards, so that the bag mouth is tightened by the annular binding belt of the binding gun.

The devices are separated from each other but are closely matched, a set of new automatic tying action and flow is created, and the tying action is divided into lifting, closing, clamping, rotating and tightening; the bag opening is lifted by the lifting device to be higher than the barrel body, so that the bag opening is convenient to fold subsequently; the bag opening after being folded is convenient for clamping the clamping jaw; the bag opening is clamped and screwed, then the bag opening is conveniently tied up by the tying gun, all the parts are mutually matched, the automation of the tying station is realized, the efficiency is improved, and the labor cost is reduced.

As shown in fig. 3, comprises a frame 4 and a material conveying line 3; the lifting device, the enclosing device, the screwing device and the strapping gun are all arranged on the rack; the barrel body is placed on a material conveying line, and the material conveying line penetrates through the lower portion of the rack.

The material conveying line penetrates through the bottom of the lifting and tying mechanism, the barrel body can penetrate through the lower portion of the rack in the moving process of the barrel body on the material conveying line, and the bag opening is tied up when the barrel body is located under the rack.

As shown in fig. 4, the lifting device includes a vertically disposed screw rod 12, a motor 11 driving the screw rod to rotate, a mounting plate 13 fixedly connected to a moving end of the screw rod and horizontally disposed at two sides of the barrel, and a suction lifting assembly fixedly connected to the mounting plate and uniformly distributed outside the barrel.

As shown in fig. 4, the lifting action of the lifting device is completed by the screw rod driving the suction lifting assembly: the motor drives the screw rod to rotate, and the screw rod moves upwards or downwards by driving the mounting plate and absorbing the lifting assembly when rotating.

When the screw rod rotates, the moving end of the screw rod moves linearly.

As shown in fig. 5, the suction lifting assembly comprises a first telescopic cylinder 14 fixedly connected with the mounting plate and horizontally arranged along the radial direction of the barrel body, a first lifting cylinder 16 fixedly connected with the mounting plate and vertically arranged, a second telescopic cylinder 17 fixedly connected with the moving end of the first lifting cylinder and arranged in the same direction as the first telescopic cylinder, a sucker 15 fixedly connected with the moving end of the first telescopic cylinder and having an opening facing the barrel body, and a limit rod 18 fixedly connected with the moving end of the second telescopic cylinder and vertically arranged; the limiting rod is positioned at the lower part of the sucking disc.

As shown in fig. 6a to 6c, the moving end of the first lifting cylinder extends downward to drive the second telescopic cylinder and the limiting rod to move downward, so that the upper end of the limiting rod is lower than the lower end of the bag opening; the moving end of the first telescopic cylinder extends out to drive the opening part of the sucker to tightly push the bag opening falling outside the barrel, and the moving end of the first telescopic cylinder retracts to lift the bag opening so that the bag opening is separated from the outer wall of the barrel body to form a space; the moving end of the second telescopic cylinder drives the limiting rod to extend out of the lower part of the space; the moving end of the first lifting cylinder retracts upwards to drive the limiting rod to extend into the space, and the lower limiting of the bag opening is completed; and then, the motor drives the lead screw rotatory, carries through absorbing and draws the subassembly to drive the sack and rise, makes the sack be higher than the staving and expand along vertical direction.

As shown in fig. 7, the closing device 20 includes a first cylinder 21 and a second cylinder 22 which are transversely arranged, a first lower baffle 23 which is longitudinally arranged and fixedly connected with a moving end of the first cylinder, a second lower baffle 24 which is longitudinally arranged and fixedly connected with a moving end of the second cylinder, a third cylinder 28 which is longitudinally fixedly arranged on an upper surface of the first lower baffle, a fourth cylinder 29 which is longitudinally fixedly arranged on an upper surface of the second lower baffle, a third lower baffle 25 which is fixedly connected with a moving end of the third cylinder, and a fourth lower baffle 26 which is fixedly connected with a moving end of the fourth cylinder; the gathering region comprises a first gathering region 27 at the lower portion; when the first lower baffle and the second lower baffle are close to the limit position, and the third lower baffle and the fourth lower baffle are close to the limit position, the first furling area is formed by the first lower baffle, the second lower baffle, the third lower baffle and the fourth lower baffle in a surrounding manner.

The enclosing device drives four plates by using four cylinders, the bag openings are inwardly folded from the transverse two sides and the longitudinal two sides respectively, and the bag openings are limited in a relatively small area so as to facilitate subsequent clamping and rotating operations.

Specifically, the first cylinder and the second cylinder respectively drive the first lower baffle and the second lower baffle to be close to each other, but the first lower baffle and the second lower baffle are not tightly attached to each other when being close to the limit positions, but are separated by a small distance; the third cylinder and the fourth cylinder respectively drive the third lower baffle and the fourth lower baffle to be close to each other, but the third lower baffle and the fourth lower baffle are not tightly attached together when being close to extreme positions and are also separated by a small distance; therefore, the bag opening is folded from four directions by the first lower baffle, the second lower baffle, the third lower baffle and the fourth lower baffle, so that the clamping jaws can be clamped conveniently; and the bag openings are not tightly pressed between the two pairs of lower baffles, so that the bag openings can be conveniently screwed in the follow-up process.

As shown in fig. 7, the device further includes a first upper baffle 231 fixedly connected to the first lower baffle and located directly above the first lower baffle, a second upper baffle 241 fixedly connected to the second lower baffle and located directly above the second lower baffle, a third upper baffle 251 fixedly connected to the third lower baffle and located directly above the third lower baffle, and a fourth upper baffle 261 fixedly connected to the fourth lower baffle and located directly above the fourth lower baffle; the furling zone further comprises a second furling zone 271 located at the upper part of the first furling zone; when the first upper baffle and the second upper baffle are close to the limit position, and the third upper baffle and the fourth upper baffle are close to the limit position, the first upper baffle, the second upper baffle, the third upper baffle and the fourth upper baffle surround to form the second furling area.

Between baffle, under fourth overhead gage and the fourth under the third overhead gage and be connected through the round bar between the baffle, third overhead gage and fourth overhead gage are located respectively on first overhead gage, the second overhead gage, have the clearance between the baffle on first overhead gage and the second, the round bar size is less than the clearance for the round bar can vertically run through the clearance, and in the motion process, can not take place between round bar and the first overhead gage and the second overhead gage and move and interfere.

In order to conveniently tighten the bag opening by the binding gun, the bag opening part needs to be provided with a section of part to be tightened, which is stable in size, vertically upward and relatively compact; therefore, four upper baffles are fixedly arranged right above each lower baffle, and the lower baffles can drive the upper baffles to move in the same direction when moving, so that when the four lower baffles form a first furling area, the four upper baffles can form a second furling area; the utility model discloses a first draw in region and second and draw in region two spacingly, press from both sides tight pocket upper end when the clamping jaw to rotatory a plurality of rings with the back, first draw in region and second and draw in and can form one section stable in size and tight real portion of treating to tighten between the region, the ribbon rifle can extend first draw in region and second and draw in between the region under the effect of fifth cylinder, and with the ribbon to this portion of treating to tighten the operation.

As shown in fig. 8, the utility model discloses a tighten device 40, tighten device is including transversely setting firmly fifth cylinder 41 and the binding rifle in the frame, the binding rifle level set up and with the removal end fixed connection of fifth cylinder, the binding rifle is located first region of drawing in and the second of drawing in between the region in vertical direction.

As shown in fig. 1, the screwing device further includes a second lifting cylinder 31 vertically fixed on the frame, a third lifting cylinder 33 vertically connected to the moving end of the first lifting cylinder, and a rotating motor 32 driving the second lifting cylinder to rotate relative to the moving end of the first lifting cylinder; the clamping jaws are four in number and are uniformly distributed in the circumferential direction of the third lifting cylinder; the clamping jaw comprises a pressing rod 341 which is hinged with the lower part of the fixed end of the third lifting cylinder and is vertically arranged, a connecting rod 342 of which one end is hinged with the movable end of the third lifting cylinder, and a clamping rod 343 which is fixedly connected with the lower end of the pressing rod and is vertically arranged; the other end of the connecting rod is hinged with the middle part of the pressing rod.

The upper end of the bag opening can be stably erected below the clamping jaw after being limited in the first folding area and the second folding area; the clamping jaw moves downwards under the driving of the second lifting cylinder, so that the clamping rods are distributed around the upper end of the bag opening; the moving end of the third lifting cylinder retracts upwards, and the pressing rods are driven to approach each other through the connecting rod, so that the upper end of the bag opening is clamped; the motor drives the whole third lifting cylinder to rotate, so that the bag opening is screwed, and the part of the bag opening between the first folding area and the second folding area can form a part to be fastened.

The utility model discloses well each cylinder all has the stiff end and can carry out linear motion's removal end for the stiff end.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A screwing device characterized by: the lifting mechanism comprises a third lifting cylinder (33) which is vertically arranged, a rotating motor (32) which drives the fixed end of the third lifting cylinder to rotate along the axis of the third lifting cylinder, and clamping jaws (34) which are uniformly distributed at the bottom of the third lifting cylinder in the circumferential direction; the clamping jaw comprises a pressing rod (341) which is hinged with the lower part of the fixed end of the third lifting cylinder and is vertically arranged, a connecting rod (342) of which one end is hinged with the movable end of the third lifting cylinder, and a clamping rod (343) which is fixedly connected with the lower end of the pressing rod and is vertically arranged; the other end of the connecting rod is hinged with the middle part of the pressing rod.

2. The screwing device according to claim 1, characterized in that: the lifting device comprises a rack (4), a second lifting cylinder (31) vertically and fixedly arranged on the rack, and a motor mounting plate which is fixedly connected with the moving end of the second lifting cylinder and transversely arranged; the third lift cylinder rotates with the motor mounting panel to be connected, rotating electrical machines fixed mounting is on the motor mounting panel.