CN112660836B - Destacker sequential conveying device and control method thereof - Google Patents

Abstract

The invention discloses an unstacker sequential conveying device and a control method thereof, wherein the unstacker sequential conveying device comprises an unstacking mechanism and a conveying mechanism, the unstacking mechanism is used for guiding a single material box onto the conveying mechanism, so that the material box is conveyed on the inclined conveying mechanism under the action of self gravity, a brake pipe is arranged between the unstacking mechanism and the conveying mechanism, a triggering mechanism, a linkage mechanism and a limiting mechanism which are mutually linked are sequentially arranged on the conveying mechanism from back to front, the triggering mechanism is also linked with the brake pipe, the brake pipe can be arranged between the unstacking mechanism and the conveying mechanism in a swinging manner, the brake pipe is switched off when swinging to the upper part, and the brake is switched off when swinging to the lower part; the invention can realize full-automatic sequential discharging, and can pause in the middle of conveying to match with corresponding operation.

Description

Destacker sequential conveying device and control method thereof

Technical Field

The invention relates to an unstacker, in particular to a conveying device of the unstacker.

Background

With the progress of modern industrial revolution, the realization of automatic flow line production of products is a necessary trend. In the packaging process of food, medicine or electronic products and the like, a stacking and unstacking device for packaging boxes is a common mechanical device; during destacking, the stacked packing material boxes need to be separated one by one and then conveyed, and the stacked packing material boxes are generally conveyed layer by layer manually in the prior art, so that the defects of high labor cost and low efficiency are overcome.

Disclosure of Invention

The invention aims to provide an unstacker sequential conveying device and a control method thereof, which can realize full-automatic sequential discharging, can pause for a short time in the middle of conveying to match with corresponding operation, and can ensure that materials cannot be blocked.

The purpose of the invention is realized as follows: an unstacker sequential conveying device comprises an unstacking mechanism and a conveying mechanism, wherein the unstacking mechanism is used for guiding a single material box onto the conveying mechanism, so that the material box is conveyed on the inclined conveying mechanism under the action of self gravity, a brake pipe is arranged between the unstacking mechanism and the conveying mechanism, a trigger mechanism, a linkage mechanism and a limiting mechanism which are mutually linked are sequentially arranged on the conveying mechanism from back to front, the trigger mechanism is also linked with the brake pipe, the brake pipe can be arranged between the unstacking mechanism and the conveying mechanism in a swinging mode, the brake pipe is switched off when swinging to the upper side, and the brake pipe is switched off when swinging to the lower side;

the trigger mechanism comprises a first trigger point, a second trigger point, a third trigger point and a fourth trigger point which are arranged from back to front, the first trigger point and the second trigger point are arranged in the conveying mechanism, the second trigger point and the fourth trigger point are arranged on one side of the conveying mechanism, the first trigger point is arranged on the brake pipe, the first trigger point is triggered when the brake is opened, and the second trigger point, the third trigger point and the fourth trigger point are triggered when the magazine passes through; the limiting mechanism comprises a first limiting point and a second limiting point which are used for blocking the material box from advancing, and the first limiting point and the second limiting point are arranged on the conveying mechanism in a front-back mode; the linkage mechanism is used for driving the first limit point and the second limit point to alternately act when the third trigger point triggers, and simultaneously, the linkage mechanism also controls the resetting of the third trigger point;

the third trigger point is triggered and pressed down by the material box when the material box passes through and ascends under the action of the linkage mechanism after the material box passes through, a first clamping point and a second clamping point are further arranged in the third trigger point, the first clamping point is linked with the first trigger point and the second trigger point, the second clamping point is linked with the fourth trigger point, the third trigger point is limited by the first clamping point and the second clamping point when ascending, and the third trigger point is not limited by the first clamping point and the second clamping point when descending; when the third trigger point is triggered, the first limit point of the limit mechanism is driven to ascend through the linkage mechanism to block the feeding of the material box, and after the third trigger point is reset, the second limit point of the limit mechanism is driven to ascend through the linkage mechanism to block the feeding of the material box;

when the brake pipe is switched off, the first trigger point does not trigger the first clamping point and keeps the first clamping point to limit the rising of the third trigger point, and when the brake pipe is switched off, the first trigger point triggers the first clamping point and cancels the limit of the first clamping point to the rising of the third trigger point; when the second trigger point is triggered, triggering the first clamping point and canceling the limitation of the first clamping point on the rising of the third trigger point, and when the second trigger point is not triggered, not triggering the first clamping point and keeping the limitation of the second clamping point on the rising of the third trigger point; and when the fourth trigger point is not triggered, the second stuck point is not triggered and the limitation of the fourth stuck point on the rising of the third trigger point is kept.

In the initial state of the invention, the third trigger point is at the upper limit position, and simultaneously, the second limit point of the limit mechanism plays a limit role.

A control method of an unpiler sequential conveying device comprises the following steps:

step 1) controlling a first material box to be guided into a conveying mechanism from an unstacking mechanism and slide on the conveying mechanism, triggering when the first material box slides to a third trigger point to press down the third trigger point, wherein the third trigger point cannot rise under the action of a first clamping point and a second clamping point, at the moment, under the action of a linkage mechanism, a first limit point of a limit mechanism rises to play a limit role, a second limit point falls to no longer play a role, and the first material box is blocked by the first limit point after sliding to stop sliding;

step 2) controlling a second material box to be guided into the conveying mechanism from the destacking mechanism, triggering a fourth trigger point when the second material box slides to the fourth trigger point, canceling the limitation of a second clamping point on the rising of the third trigger point, continuously sliding the second material box and abutting against the rear end of the first material box, stopping sliding, and keeping the second material box in a trigger state of the fourth trigger point;

step 3) controlling a third material box to be led into the conveying mechanism, wherein the first trigger point is unlocked to trigger the first clamping point to act, so that the limitation that the first clamping point lifts the third trigger point is cancelled, the third trigger point resets under the action of the linkage mechanism, the first limit point descends and does not act any more, the second limit point ascends to carry out limitation, the first material box and the second material box slide to the second limit point to be blocked, the fourth trigger point resets, the second clamping point resets, after the third material box moves to the third trigger point to trigger, the linkage mechanism drives the first limit point to ascend, so as to limit the second material box, and simultaneously drives the second limit point to descend, the limitation on the first material box is cancelled, the first material box slides out and is recycled by a worker, after the third material box passes through the third trigger point, the third trigger point is locked again, after the third material box continues to move to trigger the fourth trigger point, the limitation that the second clamping point lifts is cancelled, meanwhile, the third material box is abutted against the second material box and stops sliding, and the third material box keeps the triggering state of the fourth triggering point;

and 4) controlling the fourth material box to be led into the conveying mechanism, and circulating to the step 3) at the moment because the first trigger point is opened to trigger the first clamping point to act.

Compared with the prior art, the invention has the beneficial effects that: the structure of the invention realizes the orderly discharging of the unstacker, and the overstocked material boxes can not occur through the mutual linkage action, thereby ensuring the discharging smoothness and improving the automation degree.

As a further limitation of the invention, the conveying mechanism includes a pair of conveying tracks provided on a conveying pipe rack;

third trigger point is including fixing first pipe support and the second pipe support on the conveyer pipe support, be provided with first sliding sleeve on the second pipe support, be provided with gliding lift pipe fitting from top to bottom in the first sliding sleeve, the rear end of lift pipe fitting is connected with one-way rack, install on the first pipe support with first rack complex first pawl and second pawl, first pawl and second pawl are regarded as first stuck point and second stuck point respectively, and first pawl and second pawl are all installed on first pipe support through the torsional spring, and first pawl setting is in the top of second pawl, still be provided with first support, second support, third support on the first pipe support, the last position that is close to the brake pipe of conveying mechanism is provided with the fourth support, the brake pipe links to each other through first silk thread with first pawl, the one end of first silk thread is connected on the brake pipe as first trigger point, The other end of the brake pipe is connected to a first pawl, the first silk thread penetrates through the first support and the fourth support, the first pawl is clamped on the one-way rack under the action of a torsion spring when the brake pipe is in a brake closing state, and the first pawl is separated from the one-way rack under the action of the first silk thread when the brake pipe is in a brake opening state;

a rotatable first rotating sleeve is installed on one side of the conveying pipe frame, a first trigger pipe extending into the upper portion of the conveying track is connected to the first rotating sleeve, the first trigger pipe is connected with a first pawl through a second silk thread, one end of the second silk thread is connected to the first trigger pipe to serve as a second trigger point, the other end of the second silk thread is connected to the first pawl, the second silk thread penetrates through a second support, the first pawl is clamped on the one-way rack under the action of a torsion spring when the first trigger pipe is arranged above the conveying track to limit the rising of the one-way rack, the first pawl is separated from the one-way rack under the action of the second silk thread when the first trigger pipe is driven to rotate by the material box, and the limitation on the one-way rack is cancelled;

the second rotating sleeve is further installed on one side of the conveying pipe frame, a second trigger pipe which stretches into the conveying track is arranged on the second rotating sleeve, the second trigger pipe is connected with a second pawl through a third silk thread, one end of the third silk thread is connected to the second trigger pipe to serve as a fourth trigger point, the other end of the third silk thread is connected to the second pawl, the third silk thread penetrates through a third support, the second pawl is connected to the one-way rack under the action of a torsion spring when the second trigger pipe is arranged above the conveying track, the one-way rack is limited to ascend, the second pawl is separated from the one-way rack under the action of the second silk thread when the second trigger pipe is driven to rotate by the material box, and the limitation to the one-way rack is cancelled. Through the specific limitation of the structure, the trigger mechanism, the linkage mechanism and the limiting mechanism are stably and reliably matched to realize respective corresponding functions.

As a further limitation of the invention, the linkage mechanism comprises a third pipe frame installed on the conveying mechanism, the third pipe frame is hinged with a first lever pipe, the upper part of the rear end of the first lever pipe abuts against the lower end of the lifting pipe fitting, and the front end of the first lever pipe is sleeved with a first counterweight ring.

As a further limitation of the invention, the limiting mechanism comprises a fourth pipe frame arranged on the conveying mechanism, a second lever pipe is hinged in the middle of the fourth pipe frame, a second sliding sleeve is arranged at the rear end of the fourth pipe frame, a third sliding sleeve is arranged at the front end of the fourth pipe frame, a first limiting pipe serving as a first limiting point is arranged in the second sliding sleeve in a sliding manner, a second limiting pipe serving as a second limiting point is arranged in the third sliding sleeve in a sliding manner, the lower end of the first limiting pipe abuts against the upper portion of the rear end of the second lever pipe, the lower end of the second limiting pipe abuts against the upper portion of the front end of the second lever pipe, the lower portion of the rear end of the second lever pipe abuts against the upper portion of the front end of the first lever pipe, and a second counterweight ring is sleeved at the rear end of the second lever pipe.

As a further improvement of the invention, the lower end of the first limiting pipe is connected with a first balance weight pipe, the two ends of the first balance weight pipe are connected with balance weights, the middle part of the first balance weight pipe is in sliding contact with the rear end of the second lever pipe, the lower end of the second limiting pipe is connected with a second balance weight pipe, the two ends of the second balance weight pipe are connected with balance weights, and the middle part of the second balance weight pipe is in sliding contact with the front end of the second lever pipe. In the actual operation process, because the first limit pipe and the second limit pipe block the material box, the descending of the two limit pipes can be influenced by friction force under the action of friction force, and therefore the problems are solved by connecting the balance weight pipes at the lower ends of the two limit pipes, and the stable and reliable operation of the limit mechanism is ensured.

As a further improvement of the invention, the first sliding sleeve is obliquely arranged on the second pipe frame, the lifting pipe fitting comprises a first pipe fitting, a second pipe fitting and a third pipe fitting, the second pipe fitting is arranged in the first sliding sleeve, the middle part of the first pipe fitting is connected to the upper end of the second pipe fitting, the middle part of the third pipe fitting is connected to the lower end of the second pipe fitting, the third pipe fitting is in sliding contact with the rear end of the first lever pipe, and the one-way rack is connected to the rear end of the first pipe fitting and is parallel to the second pipe fitting. In the actual operation in-process, in order to guarantee that the magazine is more smooth to the triggering of third trigger point, reduce the influence of frictional force, design first sheath into the slope structure, guaranteed that the magazine is more smooth and easy to the triggering of third trigger point, and adopt the pipe fitting structure, its low cost, convenient assembling, the cooperation is smooth and easy.

As a further improvement of the invention, the front end of the first lever pipe is connected with a T-shaped connecting pipe, and the upper end of the T-shaped connecting pipe is in sliding contact with the rear end of the second lever pipe. This design makes the cooperation of first lever pipe to the second lever pipe more reliable smooth and easy.

As a further improvement of the invention, the method comprises the following specific steps:

step a) controlling a first material box to be guided into a conveying mechanism from a destacking mechanism and slide on the conveying mechanism, triggering the lifting pipe fitting to be pressed down when the first material box slides to the lifting pipe fitting, driving the one-way rack to descend by the lifting pipe fitting, and being not limited by a first pawl and a second pawl at the moment;

step b), controlling a second material box to be guided into the conveying mechanism from the destacking mechanism, pushing the second trigger pipe to rotate when the second material box slides to a fourth trigger point, pulling the second pawl through a third silk thread to enable the second pawl to be separated from the limitation of ascending of the one-way rack, enabling the second material box to continuously slide and abut against the rear end of the first material box to stop sliding, and keeping the second material box in a trigger state of the second trigger pipe;

step c) controlling a third material box to be led into the conveying mechanism, wherein the brake pipe is opened to pull the first pawl through the first silk thread to enable the first pawl to be separated from the limit of the ascending of the one-way rack, at the moment, the rear end of the first lever pipe is lifted to drive the lifting pipe to ascend and reset under the action of the first counterweight ring, at the same time, the second lever pipe drives the second limiting pipe to ascend under the action of the second counterweight ring, the first limiting pipe descends under the action of gravity, the first material box and the second material box are no longer limited by the first limiting pipe and slide to the position of the second limiting pipe to be blocked, at the same time, the second material box is separated from triggering of the second triggering pipe, so that the second triggering pipe resets under the action of a torsional spring of the second pawl, when the third material box moves to the position of the lifting pipe and triggers the lifting pipe to descend, at the moment, the lifting pipe pushes the rear end of the first lever pipe to descend, and the front end of the first lever pipe ascends, the first limiting pipe is driven to ascend through the second lever pipe, the second limiting pipe descends to limit the second material box, the limitation on the first material box is removed, the first material box slides out and is recovered by workers, the one-way rack is locked again after the third material box passes through the position of the lifting pipe, the third material box continues to move to push the second trigger pipe to rotate, the second pawl is pulled through the third silk thread to be separated from the limitation on the ascending of the one-way rack, the second material box continues to slide and is abutted to the rear end of the first material box, the sliding is stopped, and the second material box keeps the trigger state on the second trigger pipe;

step d) controls the introduction of the fourth cartridge into the delivery mechanism, which may then cycle to step c), and so on.

Therefore, the trigger mechanism, the linkage mechanism and the limiting mechanism can stably and reliably cooperate to run, in the actual operation process, the first pawl can be timely reset due to the fact that the action of the first pawl cannot be timely triggered as the brake pipe needs to be frequently opened and closed, the second trigger point is designed to ensure that the first pawl is stably separated, when a material box is guided into the conveying mechanism, the material box can push the first trigger pipe to drive the first trigger pipe to rotate, the first pawl is pulled through the second silk thread, the limitation of the material box on the rising of the one-way rack is eliminated, and the reliability is further ensured.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic side view of the triggering mechanism according to the first embodiment of the present invention.

Fig. 4 is a schematic side view of the triggering mechanism of the present invention.

Fig. 5 is a schematic diagram of a third trigger point structure according to the present invention.

Fig. 6 is a schematic diagram of a fourth trigger point structure according to the present invention (the principle of the second trigger point structure is the same as that of the first trigger point structure).

FIG. 7 is a side view of the linkage mechanism and the position limiting mechanism of the present invention.

Fig. 8 is a schematic perspective view of a limiting mechanism according to the present invention.

Fig. 9-16 are diagrams of sequential phase operating states of the present invention.

The device comprises a destacking mechanism 1, a conveying mechanism 2, a gate pipe 3, a trigger mechanism 4, a linkage mechanism 5, a limiting mechanism 6 and a material box 7, wherein the conveying mechanism is arranged on the destacking mechanism;

21 conveying pipe frame, 22 conveying track;

41 a first trigger point, 42 a second trigger point, 43 a third trigger point, 44 a fourth trigger point, 45 a first click point, 46 a second click point;

61 a first restriction site, 62 a second restriction site;

71 a first magazine, 72 a second magazine, 73 a third magazine, 74 a fourth magazine;

4a first pipe frame, 4b second pipe frame, 4c first sliding sleeve, 4d lifting pipe, 4da first pipe, 4db second pipe, 4dc third pipe, 4e unidirectional rack, 4f first pawl, 4g second pawl, 4h first support, 4i second support, 4j third support, 4k fourth support, 4l first silk thread, 4m first rotating sleeve, 4n first trigger pipe, 4o second silk thread, 4p second rotating sleeve, 4q second trigger pipe and 4r third silk thread;

5a third pipe frame, 5b a first lever pipe, 5c a first counterweight ring and 5 dT-shaped connecting pipes;

6a fourth pipe frame, 6b second lever pipe, 6c second sliding sleeve, 6d third sliding sleeve, 6e first spacing pipe, 6f second spacing pipe, 6g second counter weight ring, 6h first counter weight pipe, 6i second counter weight pipe.

Detailed Description

The order conveying device of the unstacker comprises an unstacking mechanism 1 and a conveying mechanism 2, wherein the unstacking mechanism 1 is used for guiding a single material box 7 onto the conveying mechanism 2, so that the material box 7 is conveyed on the inclined conveying mechanism 2 under the action of self gravity, a brake pipe 3 is arranged between the unstacking mechanism 1 and the conveying mechanism 2, a trigger mechanism 4, a linkage mechanism 5 and a limiting mechanism 6 which are mutually linked are sequentially arranged on the conveying mechanism 2 from back to front, the trigger mechanism 4 is also linked with the brake pipe 3, the brake pipe 3 can be arranged between the unstacking mechanism 1 and the conveying mechanism 2 in a swinging mode, the brake pipe 3 can be closed when swinging to the upper side, the brake can be opened when swinging to the lower side, and the conveying mechanism 2 comprises a pair of conveying rails 22 arranged on the conveying pipe frame 21.

The trigger mechanism 4 comprises a first trigger point 41, a second trigger point 42, a third trigger point 43 and a fourth trigger point 44 which are arranged from back to front, the first trigger point 41 and the second trigger point 42 are arranged in the conveying mechanism 2, the second trigger point 42 and the fourth trigger point 44 are arranged on one side of the conveying mechanism 2, the first trigger point 41 is arranged on the brake pipe 3, the first trigger point 41 triggers when the brake is opened, and the second trigger point 42, the third trigger point 43 and the fourth trigger point 44 trigger when the material box 7 passes through; the limiting mechanism 6 comprises a first limiting point 61 and a second limiting point 62 for blocking the feed box 7 from advancing, and the first limiting point 61 and the second limiting point 62 are arranged in front and back on the conveying mechanism 2; the linkage mechanism 5 is configured to drive the first limit point 61 and the second limit point 62 to alternately act when the third trigger point 43 is triggered, and the linkage mechanism 5 also controls the resetting of the third trigger point 43.

The third trigger point 43 is triggered by the material box 7 and is pressed downwards when the material box 7 passes through, and rises under the action of the linkage mechanism 5 after the material box 7 passes through, a first clamping point 45 and a second clamping point 46 are further arranged in the third trigger point 43, the first clamping point 45 is linked with the first trigger point 41 and the second trigger point 42, the second clamping point 46 is linked with the fourth trigger point 44, the third trigger point 43 is limited by the first clamping point 45 and the second clamping point 46 when rising, and is not limited by the first clamping point 45 and the second clamping point 46 when falling; when the third trigger point 43 is triggered, the first limit point 61 of the limit mechanism 6 is driven to ascend through the linkage mechanism 5 to block the feed box 7 from advancing, and after the third trigger point 43 is reset, the second limit point 62 of the limit mechanism 6 is driven to ascend through the linkage mechanism 5 to block the feed box 7 from advancing.

When the brake pipe 3 is switched off, the first trigger point 41 does not trigger the first stuck point 45 and keeps the limitation of the first trigger point to the rising of the third trigger point 43, and when the brake pipe 3 is switched off, the first trigger point 41 triggers the first stuck point 45 and cancels the limitation of the first trigger point to the rising of the third trigger point 43; when the second trigger point 42 is triggered, triggering the first stuck point 45 and canceling the limitation of the first stuck point 45 on the rising of the third trigger point 43, and when the second trigger point 42 is not triggered, not triggering the first stuck point 45 and keeping the limitation of the second stuck point 45 on the rising of the third trigger point 43; when the fourth trigger point 44 is triggered, the second stuck point 46 is triggered to cancel the limitation on the rise of the third trigger point 43, and when the fourth trigger point 44 is not triggered, the second stuck point 46 is not triggered to keep the limitation on the rise of the third trigger point 43.

The specific structure of each of the above components is as follows.

The triggering mechanism 4 comprises a first pipe frame 4a and a second pipe frame 4b fixed on the conveying pipe frame 21, a first sliding sleeve 4c is arranged on the second pipe frame 4b, a lifting pipe 4d capable of sliding up and down is obliquely arranged in the first sliding sleeve 4c, the lifting pipe 4d comprises a first pipe 4da, a second pipe 4db and a third pipe 4dc, the second pipe 4db is arranged in the first sliding sleeve 4c, the middle part of the first pipe 4da is connected with the upper end of the second pipe 4db, the middle part of the third pipe 4dc is connected with the lower end of the second pipe 4db, the third pipe 4dc is in sliding contact with the rear end of a first lever pipe 5b, the rear end of the lifting pipe 4d is connected with a one-way rack 4e, the one-way rack 4e is connected with the rear end of the first pipe 4da and is parallel to the second pipe 4db, a first pawl 4f and a second pawl 4g matched with the one-way rack 4e are arranged on the first pipe frame 4a, first pawl 4f and second pawl 4g are as first stuck point 45 and second stuck point 46 respectively, first pawl 4f and second pawl 4g all install on first pipe support 4a through the torsional spring, first pawl 4f sets up the top at second pawl 4g, still be provided with first support 4h on the first pipe support 4a, second support 4i, third support 4j, the position that is close to brake pipe 3 on the conveying mechanism 2 is provided with fourth support 4k, brake pipe 3 links to each other through first silk thread 4l with first pawl 4f, the one end of first silk thread 4l is connected on brake pipe 3 as first trigger point 41, the other end of the brake pipe 3 is connected to a first pawl 4f, a first silk thread 4l penetrates through a first support 4h and a fourth support 4k, the first pawl 4f is clamped on the one-way rack 4e under the action of a torsion spring when the brake pipe 3 is in a brake closing state, and the first pawl 4f is separated from the one-way rack 4e under the action of the first silk thread 4l when the brake pipe 3 is in a brake opening state.

The rotatable first rotating sleeve 4m is installed on one side of the conveying pipe frame 21 and serves as a second triggering point 42, a first triggering pipe 4n extending into the upper portion of the conveying rail 22 is connected to the first rotating sleeve 4m, the first triggering pipe 4n is connected with a first pawl 4f through a second wire 4o, one end of the second wire 4o is connected to the first triggering pipe 4n and serves as the second triggering point 42, the other end of the second wire 4o is connected to a first pawl 4f, the second wire 4o penetrates through a second support 4i, the first pawl 4f is clamped on the one-way rack 4e under the effect of a torsion spring when the first triggering pipe 4n is arranged above the conveying rail 22, the one-way rack 4e is limited to ascend, the first pawl 4f is separated from the one-way rack 4e under the effect of the second wire 4o when the first triggering pipe 4n is driven to rotate by the material box 7, and the limitation on the one-way rack 4e is cancelled.

A second rotating sleeve 4p is further installed on one side of the conveying pipe frame 21, a second trigger pipe 4q extending into the upper portion of the conveying rail 22 is connected to the second rotating sleeve 4p, the second trigger pipe 4q is connected with a second pawl 4g through a third wire 4r, one end of the third wire 4r is connected to the second trigger pipe 4q to serve as a fourth trigger point 44, the other end of the third wire 4q is connected to the second pawl 4g, the third wire 4r penetrates through a third support 4j, the second pawl 4g is clamped on the one-way rack 4e under the action of a torsion spring when the second trigger pipe 4q is arranged above the conveying rail 22, the one-way rack 4e is limited to ascend, the second pawl 4g is separated from the one-way rack 4e under the action of the second wire 4o when the second trigger pipe 4q is driven to rotate by the material box 7, and the limitation on the one-way rack 4e is cancelled.

The linkage mechanism 5 is including installing the third pipe support 5a on conveying pipe support 21, it has first lever pipe 5b to articulate on the third pipe support 5a, the lower extreme at lift pipe fitting 4d is contradicted to the rear end upper portion of first lever pipe 5b, the front end cover of first lever pipe 5b is equipped with first counter weight ring 5c, the front end of first lever pipe 5b is connected with T shape connecting pipe 5d, the upper end of T shape connecting pipe 5d and the rear end sliding contact of second lever pipe 6 b.

The limiting mechanism 6 comprises a fourth pipe frame 6a installed on the conveying pipe frame 21, a second lever pipe 6b is hinged to the middle of the fourth pipe frame 6a, a second sliding sleeve 6c is arranged at the rear end of the fourth pipe frame 6a, a third sliding sleeve 6d is arranged at the front end of the fourth pipe frame 6a, a first limiting pipe 6e serving as a first limiting point 61 is arranged in the second sliding sleeve 6c in a sliding mode, a second limiting pipe 6f serving as a second limiting point 62 is arranged in the third sliding sleeve 6d in a sliding mode, the lower end of the first limiting pipe 6e abuts against the upper portion of the rear end of the second lever pipe 6b, the lower end of the second limiting pipe 6f abuts against the upper portion of the front end of the second lever pipe 6b, the lower portion of the rear end of the second lever pipe 6b abuts against the upper portion of the front end of the first lever pipe 5b, and a second counterweight ring 6g is sleeved at the rear end of the second lever pipe 6 b; the lower extreme of first spacing pipe 6e is connected with first counter weight pipe 6h, and the both ends of first counter weight pipe 6h are connected with the balancing weight, and the middle part and the second lever pipe 6b rear end sliding contact of first counter weight pipe 6h, the lower extreme of the spacing pipe 6f of second are connected with second counter weight pipe 6i, and the both ends of second counter weight pipe 6i are connected with the balancing weight, and the middle part and the second lever pipe 6b front end sliding contact of second counter weight pipe 6 i.

Whole trigger mechanism 4 realizes its raising and lowering functions through interlocking formula linkage cooperation link gear 5 and climbing mechanism 6 in turn, and this kind of interlocking formula structure has guaranteed the orderly gos forward of magazine transport, can not take place the putty, promotes degree of automation through mechanical structure.

A control method of an unpiler sequential conveying device comprises the following steps:

step a) in an initial state, the lifting pipe fitting 4d is located at an upper limit position, the second limit pipe 6f is located at the upper limit position (as shown in fig. 9), the first material box 71 is controlled to be guided into the conveying mechanism 2 from the destacking mechanism 1 and slide on the conveying mechanism 2, the lifting pipe fitting 4d is triggered to be pressed down when the first material box 71 slides to the lifting pipe fitting 4d, the lifting pipe fitting 4d simultaneously drives the one-way rack 4e to descend and is not limited by the first pawl 4f and the second pawl 4g, the lifting pipe fitting 4d cannot ascend under the action of the first pawl 4f and the second pawl 4g after descending, the lifting pipe fitting 4d descends and simultaneously pushes the rear end of the first lever pipe 5b to descend, the front end of the first lever pipe 5b ascends, the rear end of the second lever pipe 6b is pushed to ascend, the first limit pipe 6e is driven to ascend, and the front end of the second lever pipe 6b descends, the second limiting pipe 6f is driven to descend, and the first material box 71 moves to the first limiting pipe 6e and then is blocked, and stops sliding (as shown in fig. 10);

step b) controlling the second material box 72 to be led into the conveying mechanism 2 from the destacking mechanism 1, when the second material box 72 slides to the fourth trigger point 44, pushing the second trigger pipe 4q to rotate, pulling the second pawl 4g through the third wire 4r to enable the second pawl to be separated from the limitation of ascending of the one-way rack 4e, enabling the second material box 72 to continuously slide and abut against the rear end of the first material box 71 to stop sliding, and enabling the second material box 72 to keep the trigger state of the second trigger pipe 4q (as shown in fig. 11);

step c) controlling the third magazine 73 to be guided into the conveying mechanism 2, pulling the first pawl 4f through the first silk thread 4l due to the brake opening of the brake pipe 3 to enable the first pawl 4f to be separated from the limitation of the ascending of the one-way rack 4e (as shown in figure 12), enabling the rear end of the first lever pipe 5b to ascend under the action of the first counterweight ring 5c to drive the lifting pipe 4d to ascend and reset, enabling the second lever pipe 6b to drive the second limiting pipe 6f to ascend under the action of the second counterweight ring 6g, enabling the first limiting pipe 6e to descend under the action of gravity, enabling the first magazine 71 and the second magazine 72 to slide to the second limiting pipe 6f and be blocked when the first pawl 6e does not bear the limitation action of the first limiting pipe 6e, enabling the second magazine 72 to be separated from triggering the second triggering pipe 4q to reset under the action of the torsion spring of the second pawl 4g (as shown in figure 13), and enabling the lifting pipe 4d to descend when the third magazine 73 moves to the lifting pipe 4d, at this time, the lifting pipe 4d pushes the rear end of the first lever pipe 5b to descend, the front end of the first lever pipe 5b ascends, the second lever pipe 6b drives the first limiting pipe 6e to ascend, the second limiting pipe 6f descends to limit the second material box 72, the limitation on the first material box 71 is removed (as shown in fig. 14), the first material box 71 continuously slides out and is recovered by a worker, the one-way rack 4e is locked again after the third material box 73 passes through the lifting pipe 4d, the third material box 73 continuously moves to push the second trigger pipe 4q to rotate, the second pawl 4g is pulled through the third wire 4r to be separated from the limitation on the ascending of the one-way rack 4e, the second material box 72 continuously slides and abuts against the rear end of the first material box 71 to stop sliding, and at this time, the second material box 72 keeps the trigger state on the second trigger pipe 4q (as shown in fig. 15);

step d) controls the introduction of the fourth magazine 74 into the delivery mechanism 2 (as shown in fig. 16), which is now the same as in fig. 12, and which can then be cycled to step c), and so forth, to achieve a continuous sequential discharge.

In the actual operation process, the brake pipe 3 needs to be opened and closed frequently, so that the first pawl 4f can be triggered in time due to action failure and the lifting pipe fitting 4d can reset in time, therefore, the invention ensures that the first pawl 4f is stably separated by designing the second trigger point 42, when the material box 7 is guided into the conveying mechanism 2, the material box 7 can push the first trigger pipe 4n to drive the first trigger pipe 4n to rotate, so that the first pawl 4f is pulled through the second silk thread 4o, the limitation of the material box to the lifting of the one-way rack 4e is cancelled, and the reliability is further ensured.

In addition, all the mechanisms and components can be assembled by adopting lean pipes and matching with connecting pieces (such as tee joints), and the mechanism is low in cost and simple in structure.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims (6)

1. The device is characterized by comprising an unstacking mechanism and a conveying mechanism, wherein the unstacking mechanism is used for guiding a single material box onto the conveying mechanism, so that the material box is conveyed on the inclined conveying mechanism under the action of self gravity;

the trigger mechanism comprises a first trigger point, a second trigger point, a third trigger point and a fourth trigger point which are arranged from back to front, the first trigger point and the second trigger point are arranged in the conveying mechanism, the second trigger point and the fourth trigger point are arranged on one side of the conveying mechanism, the first trigger point is arranged on the brake pipe, the first trigger point is triggered when the brake is opened, and the second trigger point, the third trigger point and the fourth trigger point are triggered when the material box passes through; the limiting mechanism comprises a first limiting point and a second limiting point which are used for blocking the material box from advancing, and the first limiting point and the second limiting point are arranged on the conveying mechanism in a front-back mode; the linkage mechanism is used for driving the first limit point and the second limit point to alternately act when the third trigger point triggers, and simultaneously, the linkage mechanism also controls the resetting of the third trigger point;

the third trigger point is triggered and pressed down by the material box when the material box passes through and ascends under the action of the linkage mechanism after the material box passes through, a first clamping point and a second clamping point are further arranged in the third trigger point, the first clamping point is linked with the first trigger point and the second trigger point, the second clamping point is linked with the fourth trigger point, the third trigger point is limited by the first clamping point and the second clamping point when ascending, and the third trigger point is not limited by the first clamping point and the second clamping point when descending; when the third trigger point is triggered, the first limit point of the limit mechanism is driven to ascend through the linkage mechanism to block the feeding of the material box, and after the third trigger point is reset, the second limit point of the limit mechanism is driven to ascend through the linkage mechanism to block the feeding of the material box;

when the brake pipe is switched off, the first trigger point does not trigger the first clamping point and keeps the first clamping point to limit the rising of the third trigger point, and when the brake pipe is switched off, the first trigger point triggers the first clamping point and cancels the limit of the first clamping point to the rising of the third trigger point; when the second trigger point is triggered, triggering the first stuck point and canceling the limitation of the first stuck point on the rising of the third trigger point, and when the second trigger point is not triggered, not triggering the first stuck point and keeping the limitation of the second stuck point on the rising of the third trigger point; when the fourth trigger point is triggered, triggering the second stuck point and canceling the limitation of the second stuck point on the rising of the third trigger point, and when the fourth trigger point is not triggered, not triggering the second stuck point and keeping the limitation of the second stuck point on the rising of the third trigger point;

the conveying mechanism comprises a pair of conveying rails arranged on the conveying pipe frame;

the third trigger point is including fixing first pipe support and the second pipe support on the conveying pipe support, be provided with first sliding sleeve on the second pipe support, be provided with gliding lift pipe fitting from top to bottom in the first sliding sleeve, the rear end of lift pipe fitting is connected with one-way rack, install on the first pipe support with first-phase rack complex first pawl and second pawl, first pawl and second pawl are as first stuck point and second stuck point respectively, and first pawl and second pawl are all installed on first pipe support through the torsional spring, and first pawl setting is in the top of second pawl, still be provided with first support, second support, third support on the first pipe support, the last position that is close to the brake pipe of conveying mechanism is provided with the fourth support, the brake pipe links to each other through first silk thread with first pawl, the one end of first silk thread is connected as first trigger point on the brake pipe, The other end of the brake pipe is connected to a first pawl, the first silk thread penetrates through the first support and the fourth support, the first pawl is clamped on the one-way rack under the action of a torsion spring when the brake pipe is in a brake closing state, and the first pawl is separated from the one-way rack under the action of the first silk thread when the brake pipe is in a brake opening state;

a rotatable first rotating sleeve is installed on one side of the conveying pipe frame, a first trigger pipe extending into the upper portion of the conveying track is connected to the first rotating sleeve, the first trigger pipe is connected with a first pawl through a second silk thread, one end of the second silk thread is connected to the first trigger pipe to serve as a second trigger point, the other end of the second silk thread is connected to the first pawl, the second silk thread penetrates through a second support, the first pawl is clamped on the one-way rack under the action of a torsion spring when the first trigger pipe is arranged above the conveying track to limit the rising of the one-way rack, the first pawl is separated from the one-way rack under the action of the second silk thread when the first trigger pipe is driven to rotate by the material box, and the limitation on the one-way rack is cancelled;

a second rotating sleeve is further mounted on one side of the conveying pipe frame, a second trigger pipe which extends into the upper portion of the conveying track and is arranged is connected to the second rotating sleeve, the second trigger pipe is connected with a second pawl through a third silk thread, one end of a third silk thread is connected to the second trigger pipe to serve as a fourth trigger point, the other end of the third silk thread is connected to the second pawl, the third silk thread penetrates through a third support, the second pawl is clamped on the one-way rack under the action of a torsion spring when the second trigger pipe is arranged above the conveying track to limit the rising of the one-way rack, the second pawl is separated from the one-way rack under the action of the second silk thread when the second trigger pipe is driven by the material box to rotate, and the limitation on the one-way rack is cancelled;

the linkage mechanism comprises a third pipe frame arranged on the conveying mechanism, a first lever pipe is hinged to the third pipe frame, the upper part of the rear end of the first lever pipe abuts against the lower end of the lifting pipe fitting, and a first counterweight ring is sleeved at the front end of the first lever pipe;

stop gear is including installing the fourth pipe support on conveying mechanism, and the middle part of fourth pipe support articulates there is the second lever pipe, the rear end of fourth pipe support is provided with the second sliding sleeve, the front end of fourth pipe support is provided with the third sliding sleeve, slides in the second sliding sleeve and is provided with the first spacing pipe as first spacing point, slides in the third sliding sleeve and is provided with the spacing pipe of second as second spacing point, and the lower extreme of first spacing pipe is contradicted on the rear end upper portion of second lever pipe, and the lower extreme of the spacing pipe of second is contradicted on the front end upper portion of second lever pipe, the rear end lower part of second lever pipe is contradicted on the front end upper portion of first lever pipe, the rear pot head of second lever pipe is equipped with the second counterweight ring.

2. An unstacker sequential conveying device according to claim 1, wherein a first counter weight tube is connected to the lower end of the first limit tube, counter weights are connected to both ends of the first counter weight tube, the middle portion of the first counter weight tube is in sliding contact with the rear end of the second lever tube, a second counter weight tube is connected to the lower end of the second limit tube, the counter weights are connected to both ends of the second counter weight tube, and the middle portion of the second counter weight tube is in sliding contact with the front end of the second lever tube.

3. An unstacker order conveyor according to claim 1, wherein the first sliding sleeve is arranged obliquely on the second pipe frame, the lifting pipe comprises a first pipe, a second pipe and a third pipe, the second pipe is arranged in the first sliding sleeve, the middle of the first pipe is connected to the upper end of the second pipe, the middle of the third pipe is connected to the lower end of the second pipe, the third pipe is in sliding contact with the rear end of the first lever pipe, and the one-way rack is connected to the rear end of the first pipe and is parallel to the second pipe.

4. An unstacker sequence conveyor according to claim 2, characterised in that the front end of the first lever tube is connected to a T-shaped connecting tube, the upper end of which is in sliding contact with the rear end of the second lever tube.

5. A control method of an unstacker sequence conveyor, using an unstacker sequence conveyor according to any one of claims 1 to 4, characterised by comprising the steps of:

step 1) controlling a first material box to be guided into a conveying mechanism from an unstacking mechanism and slide on the conveying mechanism, triggering when the first material box slides to a third trigger point to press down the third trigger point, wherein the third trigger point cannot rise under the action of a first clamping point and a second clamping point, at the moment, under the action of a linkage mechanism, a first limit point of a limit mechanism rises to play a limit role, a second limit point falls to no longer play a role, and the first material box is blocked by the first limit point after sliding to stop sliding;

step 2) controlling a second material box to be guided into the conveying mechanism from the destacking mechanism, triggering a fourth trigger point when the second material box slides to the fourth trigger point, canceling the limitation of a second clamping point on the rising of the third trigger point, continuously sliding the second material box and abutting against the rear end of the first material box, stopping sliding, and keeping the second material box in a trigger state of the fourth trigger point;

step 3) controlling a third material box to be led into the conveying mechanism, wherein the first trigger point is unlocked to trigger the first clamping point to act, so that the limitation that the first clamping point lifts the third trigger point is cancelled, the third trigger point resets under the action of the linkage mechanism, the first limit point descends and does not act any more, the second limit point ascends to carry out limitation, the first material box and the second material box slide to the second limit point to be blocked, the fourth trigger point resets, the second clamping point resets, after the third material box moves to the third trigger point to trigger, the linkage mechanism drives the first limit point to ascend, so as to limit the second material box, and simultaneously drives the second limit point to descend, the limitation on the first material box is cancelled, the first material box slides out and is recycled by a worker, after the third material box passes through the third trigger point, the third trigger point is locked again, after the third material box continues to move to trigger the fourth trigger point, the limitation that the second clamping point lifts is cancelled, meanwhile, the third material box is abutted against the second material box and stops sliding, and the third material box keeps the triggering state of the fourth triggering point;

and 4) controlling the fourth material box to be led into the conveying mechanism, and circulating the steps in the step 3) because the first trigger point is opened to trigger the first clamping point to act.

6. A control method for an unstacker sequence conveyor according to claim 5, characterised by the specific steps of:

step a) controlling a first material box to be guided into a conveying mechanism from a destacking mechanism and slide on the conveying mechanism, triggering the lifting pipe fitting to be pressed down when the first material box slides to the lifting pipe fitting, driving the one-way rack to descend by the lifting pipe fitting, and being not limited by a first pawl and a second pawl at the moment;

step b), controlling a second material box to be guided into the conveying mechanism from the destacking mechanism, pushing the second trigger pipe to rotate when the second material box slides to a fourth trigger point, pulling the second pawl through a third silk thread to enable the second pawl to be separated from the limitation of ascending of the one-way rack, enabling the second material box to continuously slide and abut against the rear end of the first material box to stop sliding, and keeping the second material box in a trigger state of the second trigger pipe;

step c) controlling a third material box to be led into the conveying mechanism, wherein the brake pipe is opened to pull the first pawl through the first silk thread to enable the first pawl to be separated from the limit of the ascending of the one-way rack, at the moment, the rear end of the first lever pipe is lifted to drive the lifting pipe to ascend and reset under the action of the first counterweight ring, at the same time, the second lever pipe drives the second limiting pipe to ascend under the action of the second counterweight ring, the first limiting pipe descends under the action of gravity, the first material box and the second material box are no longer limited by the first limiting pipe and slide to the position of the second limiting pipe to be blocked, at the same time, the second material box is separated from triggering of the second triggering pipe, so that the second triggering pipe resets under the action of a torsional spring of the second pawl, when the third material box moves to the position of the lifting pipe and triggers the lifting pipe to descend, at the moment, the lifting pipe pushes the rear end of the first lever pipe to descend, and the front end of the first lever pipe ascends, the first limiting pipe is driven to ascend through the second lever pipe, the second limiting pipe descends to limit the second material box, the limitation on the first material box is removed, the first material box slides out and is recovered by workers, the one-way rack is locked again after the third material box passes through the position of the lifting pipe, the third material box continues to move to push the second trigger pipe to rotate, the second pawl is pulled through the third silk thread to be separated from the limitation on the ascending of the one-way rack, the second material box continues to slide and is abutted to the rear end of the first material box, the sliding is stopped, and the second material box keeps the trigger state on the second trigger pipe;

step d) controls the introduction of the fourth cartridge into the delivery mechanism, which may then cycle to step c), and so on.

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