CN113246382A

CN113246382A - Intelligent counting box changing line for injection molding processing

Info

Publication number: CN113246382A
Application number: CN202110495327.0A
Authority: CN
Inventors: 倪震华; 苏平锋; 党奇峰
Original assignee: Shanghai Yile Plastics & Mould Technology Co ltd
Current assignee: Shanghai Yile Plastics & Mould Technology Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-08-13
Anticipated expiration: 2041-05-07
Also published as: CN113246382B

Abstract

The invention belongs to intelligent processing equipment in the technical field of injection molding processing, and particularly relates to an intelligent counting box changing line for injection molding processing, which comprises a material conveying mechanism, a material lifting mechanism, a material distributing and counting mechanism and a box body conveying mechanism, wherein the box body conveying mechanism is sequentially provided with a station a, a station b and a station c along the conveying direction, the material distributing and counting mechanism is provided with a first discharge hole and a second discharge hole, a movable door is arranged between the first discharge hole and the second discharge hole, the first discharge hole extends to the position above a material box of the station b, and the second discharge hole extends to the material conveying mechanism or the material lifting mechanism at the upstream of the material distributing and counting mechanism; and a counter is arranged on the first discharge hole. The invention adopts the material distributing and counting mechanism to fully disperse materials which are possibly gathered together, and the controller can control the box body conveying mechanism to automatically change the box when the counter detects that the quantity of the materials entering the box reaches a preset value, thereby improving the production efficiency and reducing the production cost.

Description

Intelligent counting box changing line for injection molding processing

Technical Field

The invention belongs to intelligent processing equipment in the technical field of injection molding processing, and particularly relates to an intelligent counting box changing line for injection molding processing.

Background

After injection molding of the injection molding piece is completed, the injection molding piece needs to be collected and boxed, so that subsequent circulation and processing are facilitated. For reducing staff's intensity of labour in the production process, improve production efficiency, reduction in production cost, need design an intelligent unmanned on duty case change line, should trade the case line and need satisfy following function, one first can whether fill according to material quantity automatic identification box, second, need carry out automatic change to the box after the box is filled, third, need ensure after the vanning is accomplished that the material piles up evenly, avoid the local uplift of material to cause the extrusion to the work piece in order to prevent follow-up box stack process.

Disclosure of Invention

The invention aims to provide an intelligent counting box changing line for injection molding processing, which can automatically identify the loading condition of a box body according to the quantity of materials and can automatically change a new box body for continuous material collection after the box body is full.

The technical scheme adopted by the invention is as follows:

an intelligent counting box-changing line for injection molding processing comprises a material conveying mechanism, a material lifting mechanism, a material dividing and counting mechanism and a box body conveying mechanism, wherein the material conveying mechanism is positioned below an injection molding machine die and used for collecting molded materials, the feeding end of the material lifting mechanism is positioned at the discharging end of the material conveying mechanism, the material dividing and counting mechanism is positioned at the discharging end of the material lifting mechanism and used for sequentially arranging the materials at intervals, the box body conveying mechanism is positioned beside the injection molding machine and used for conveying a material box, the box body conveying mechanism is sequentially provided with a station a, a station b and a station c along the conveying direction, the material box is sequentially transferred among the station a, the station b and the station c along the box body conveying mechanism, the material dividing and counting mechanism is provided with a first discharging port and a second discharging port, and a movable door used for controlling the first discharging port and the second discharging port to alternately open and close is arranged between, the first discharge port extends to the position above the material box of the station b, and the second discharge port extends to the material conveying mechanism or the material lifting mechanism at the upstream of the material distributing and counting mechanism; the counter is arranged on the first discharge hole, the counter, the movable door and the driving element of the box body conveying mechanism are electrically connected with the controller, when the counter detects that the quantity of materials passing through the first discharge hole reaches a preset value, the controller controls the movable door to close the first discharge hole and open the second discharge hole, the box body conveying mechanism is controlled to feed a step, then the controller controls the movable door to open the first discharge hole and close the second discharge hole, and the step is the distance between two adjacent stations in the station a, the station b and the station c.

The material distribution counting mechanism comprises a rotary disc, the rotary disc is rotatably arranged at the upper end of an upright post, the upper end of the upright post is provided with a tower tip part penetrating through the rotary disc, the edge of the disc surface of the rotary disc is provided with a spiral slideway spirally extending from top to bottom, the spiral slideway is fixedly connected with the upright post through a connecting piece, a first guide plate is arranged at the position, close to the center, of the disc surface of the rotary disc, a second guide plate is arranged at the edge of the disc surface of the rotary disc, the first guide plate and the second guide plate are arc-surface-shaped and gradually deviate towards the edge of the rotary disc while extending along the circumferential direction of the rotary disc, the first guide plate and the second guide plate are circumferentially arranged at intervals along the rotary disc, the first guide plate is fixedly connected with the tower tip part, and the second guide plate is fixedly connected with the spiral slideway; the discharge port of the material lifting mechanism is positioned above the center of the rotary disc, the material can rotate along with the rotary disc after falling into the middle area of the rotary disc, the first guide plate can pull the material away from the central area and primarily disperse gathered materials when the material passes through the first guide plate, and the second guide plate can further disperse the material and sequentially guide the material to the inlet of the spiral slideway when the material passes through the second guide plate; the pitch of the spiral slideway is gradually increased from top to bottom, so that the speed and the acceleration of the materials are gradually increased in the gliding process, and the distance between the materials is gradually increased.

The first discharge port is the tail end of the spiral slideway, a branch slideway tangent to the spiral slideway is arranged at the position, close to the first discharge port, of the lower end of the spiral slideway, the second discharge port is an outlet of the branch slideway, and the second discharge port extends to the feed end of the material lifting mechanism; the movable door comprises a baffle arranged at a herringbone fork between the spiral slideway and the branch slideway, the baffle is hinged with a cantilever support extending from the upright column, a driving lever is arranged on the hinged shaft, and an air cylinder used for driving the driving lever to swing is arranged on the cantilever support.

The station b is provided with a lifting positioning mechanism, a driving module of the lifting positioning mechanism is electrically connected with the controller, the controller controls the lifting positioning mechanism to release the material box onto the box body conveying mechanism when the material in the material box of the station b reaches a preset amount, and the controller controls the lifting positioning mechanism to clamp and lift a new material box after the controller controls the box body conveying mechanism to feed a step pitch; the lifting positioning mechanism comprises two side clamping plates which are respectively arranged at two sides of the box body conveying mechanism, the two side clamping plates are respectively connected with the two floating plates in a sliding manner along the direction parallel to the box body conveying mechanism, the two floating plates are respectively movably connected with the two sliding seats along the direction perpendicular to the box body conveying mechanism, a first elastic unit used for driving the two floating plates to be close to each other is arranged between the floating plates and the sliding seats, and the sliding seats are arranged on the supporting frame in a sliding manner along the direction perpendicular to the box body conveying mechanism; the lifting positioning mechanism also comprises an end clamping arm arranged at least one end of the front end and the rear end of the work bin, and a driving mechanism used for driving the two sliding seats and the end clamping arm to approach the work bin, wherein the driving mechanism is assembled to drive the two sliding seats to approach the work bin firstly, and then drive the end clamping arm to approach the work bin and push the work bin to slide to a preset position along a direction parallel to the box conveying mechanism after the two side clamping plates clamp the two side walls of the work bin; the lower end of each side clamping plate is provided with a lower supporting plate extending towards the bottom of the material box, the end part of each lower supporting plate is provided with a wedge surface, and the material box can be lifted onto the lower supporting plate under the guidance of the wedge surfaces when the two side clamping plates are close to each other; a vibration material homogenizing mechanism is arranged between the side clamping plate and the floating plate and comprises a second elastic unit, the second elastic unit is assembled to enable the second elastic unit to deform when the end clamping arms push the material box and enable the material box to slide to the preset position, and elastic potential energy of the second elastic unit can drive the material box to vibrate back and forth when the end clamping arms release the material box instantly; and the side wall of the work bin is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines.

The driving mechanism comprises a rotating shaft vertically and rotatably arranged on the supporting frame and a driving support movably arranged in the direction parallel to the box body conveying mechanism, a first rotary arm fixedly connected with the rotating shaft is arranged on the rotating shaft, two ends of the first rotary arm are respectively hinged with a first connecting rod, and the first connecting rods are respectively hinged with the two sliding seats; the box conveying mechanism is characterized in that a swing arm fixedly connected with the rotating shaft is further arranged on the rotating shaft, a guide pillar is arranged at the end of the swing arm, an L-shaped guide groove in sliding fit with the guide pillar is arranged on the driving support, the L-shaped guide groove comprises a first section perpendicular to the conveying direction of the box conveying mechanism and a second section parallel to the conveying direction of the box, the driving support is provided with a first stroke and a second stroke along the moving direction, the guide pillar slides in the first section of the L-shaped guide groove when the movable support moves in the first stroke, the driving support can drive the swing arm to swing at the moment, the guide pillar slides in the second section of the L-shaped guide groove when the movable support moves in the second stroke, and the swing arm is kept static at the moment.

The end part clamping arms comprise swing rods and arc-shaped rods, the swing rods are hinged to the supporting frame, the arc-shaped rods are fixedly connected with the end parts of the swing rods, arc centers of the arc-shaped rods are located on the axis of a hinged shaft of the swing rods, one ends of the arc-shaped rods are provided with press rollers in rolling fit with the outer wall of the material box, the other ends of the arc-shaped rods are provided with guide wheels, the driving support is provided with push blocks, the push blocks can push the guide wheels to enable the arc-shaped rods to swing and push the material box when the driving support moves to a first preset position in a second stroke along a first direction, the guide wheels can be separated from the push blocks when the driving support continues to move to a second preset position in the second stroke along the first direction, and the material box can be released instantly at the moment by the arc-shaped rods; the pushing block is provided with a notch part for the guide wheel to pass through, the notch part is provided with a one-way locking plate, the one-way locking plate is pivoted with the pushing block, a limiting part for limiting the rotation angle of the one-way locking plate is arranged between the one-way locking plate and the pushing block, the limiting part can prevent the one-way locking plate from rotating to close the notch part when the driving bracket moves along a first direction, and the one-way locking plate can rotate to open under the squeezing and pushing action of the guide wheel when the driving bracket moves along a second direction so that the guide wheel passes through the notch part; the first direction and the second direction are two opposite directions parallel to the magazine transport mechanism.

And a second rotary arm rotatably connected with the rotary shaft is further arranged on the rotary shaft, two ends of the second rotary arm are respectively hinged with a second connecting rod, and the two second connecting rods are respectively hinged with the two floating plates.

The floating plate is provided with a guide rod, the side clamping plate is provided with a guide sleeve in sliding fit with the guide rod, the guide rod is provided with a radial boss, the side clamping plate is provided with a lug, the lug is provided with a through hole for the guide rod to pass through, the second elastic unit is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.

The driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving support is connected with a power output part of the driving module.

The box body conveying mechanism is a roller conveying line; the material conveying mechanism is a conveying belt which is horizontally arranged, and the material lifting mechanism is a scraper lifter.

The invention has the technical effects that: the middle and small injection molding part is generally injected in a mode of one mold with multiple cavities, namely, a plurality of materials can be molded simultaneously when the mold is opened and closed once, so that the materials are likely to be gathered together and are inconvenient to count in the mold opening and blanking process.

Drawings

FIG. 1 is a perspective view of an intelligent counting box change line provided by an embodiment of the present invention;

FIG. 2 is a perspective view of a feed counting mechanism provided by an embodiment of the present invention;

FIG. 3 is a top view of a feed counting mechanism provided by an embodiment of the present invention;

FIG. 4 is a front view of a feed counting mechanism provided by an embodiment of the present invention;

FIG. 5 is a perspective view of a lift positioning mechanism provided by an embodiment of the present invention;

FIG. 6 is a front view of a lift positioning mechanism provided by an embodiment of the present invention;

FIG. 7 is a perspective view of the lift positioning mechanism provided by an embodiment of the present invention with the bin and conveyor removed;

FIG. 8 is a schematic view of a driving structure of the side clamping plate according to the embodiment of the present invention;

FIG. 9 is a top view of a side clamping plate drive arrangement provided by an embodiment of the present invention;

FIG. 10 is a front view of a side clamping plate drive arrangement provided by an embodiment of the present invention;

FIG. 11 is a schematic view of a drive mechanism for an end clamp arm provided by an embodiment of the present invention;

FIG. 12 is an assembly view of a side clamp provided by an embodiment of the present invention;

FIG. 13 is a perspective view of an end clamp arm provided by an embodiment of the present invention;

FIG. 14 is a schematic view of a spindle mounting structure provided in an embodiment of the present invention;

fig. 15 is a schematic perspective view of a driving bracket according to an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. It should be noted that, in the expression of the present invention, the "direction of the box conveying mechanism" refers to the conveying direction of the bin, wherein the front and the rear refer to the front and the rear of the conveying direction of the bin, respectively.

As shown in fig. 1, an intelligent counting box-changing line for injection molding comprises a material conveying mechanism, a material lifting mechanism, a material-dividing counting mechanism 60 and a box conveying mechanism 20, wherein the material conveying mechanism is located below a mold of an injection molding machine and used for collecting molded materials, a feeding end of the material lifting mechanism is located at a discharging end of the material conveying mechanism, the material-dividing counting mechanism 60 is located at a discharging end of the material lifting mechanism, the material-dividing counting mechanism 60 is used for sequentially arranging the materials at intervals, the box conveying mechanism 20 is located beside the injection molding machine and used for conveying a material box 30, the box conveying mechanism 20 is sequentially provided with a station a, a station b and a station c along a conveying direction, the material box 30 is sequentially transferred among the station a, the station b and the station c along the box conveying mechanism 20, the material-dividing counting mechanism 60 is provided with a first discharging port 621 and a second discharging port 622, a movable door 66 for controlling the first discharge hole 621 and the second discharge hole 622 to open and close alternately is arranged between the first discharge hole 621 and the second discharge hole 622, wherein the first discharge hole 621 extends to the upper part of the work station b of the material box 30, and the second discharge hole 622 extends to a material conveying mechanism or a material lifting mechanism at the upstream of the material distributing and counting mechanism 60; the counter is arranged on the first discharge hole 621, the counter, the movable door 66 and the driving element of the box body conveying mechanism 20 are electrically connected with the controller, when the counter detects that the quantity of the materials passing through the first discharge hole 621 reaches a preset value, the controller controls the movable door 66 to close the first discharge hole 621 and open the second discharge hole 622, the box body conveying mechanism 20 is controlled to feed a step pitch, then the controller controls the movable door 66 to open the first discharge hole 621 and close the second discharge hole 622, and the step pitch is the distance between two adjacent work positions in the work position a, the work position b and the work position c. The middle-size and small-size injection molding part is generally injected in a mode of one mold with multiple cavities, namely, a plurality of materials can be molded simultaneously when the mold is opened and closed once, so that the materials are likely to be gathered together and are inconvenient to count in the mold opening and blanking process.

Preferably, as shown in fig. 2, 3, and 4, the material-separating counting mechanism 60 includes a rotary disk 61, the rotary disk 61 is rotatably disposed at the upper end of an upright post 63, a tower tip portion disposed through the rotary disk 61 is disposed at the upper end of the upright post 63, a spiral slideway 62 spirally extending from top to bottom is disposed at the edge of the disk surface of the rotary disk 61, the spiral slideway 62 is fixedly connected to the upright post 63 through a connecting member, a first guide plate 64 is disposed at a position of the disk surface of the rotary disk 61 close to the center, a second guide plate 65 is disposed at the edge of the disk surface of the rotary disk 61, the first guide plate 64 and the second guide plate 65 are both arc-surface shaped, and gradually deviate toward the edge of the rotary disk 61 while extending along the circumferential direction of the rotary disk 61, the first guide plate 64 and the second guide plate 65 are circumferentially spaced along the rotary disk 61, the first guide plate 64 is fixedly connected to the tower tip portion, and the second guide plate 65 is fixedly connected to the spiral slideway 62; the discharge hole of the material lifting mechanism is positioned above the center of the rotary disc 61, the material can rotate along with the rotary disc 61 after falling into the middle area of the rotary disc 61, when passing through the first guide plate 64, the first guide plate can pull the material away from the central area and primarily disperse gathered materials, and when passing through the second guide plate 65, the second guide plate 65 can further disperse the material and sequentially guide the material into the inlet of the spiral slideway 62; the pitch of the spiral slideway 62 is gradually increased from top to bottom, so that the speed and the acceleration of the materials are gradually increased in the gliding process, and the distance between the materials is gradually increased.

Preferably, the first discharging hole 621 is the tail end of the spiral slideway 62, a branch slideway tangential to the spiral slideway 62 is arranged at a position, close to the first discharging hole 621, of the lower end of the spiral slideway 62, the second discharging hole 622 is an outlet of the branch slideway, and the second discharging hole 622 extends to a feeding end of the material lifting mechanism; the movable door 66 includes a baffle plate arranged at a herringbone intersection between the spiral slideway 62 and the branch slideway, the baffle plate is hinged with a cantilever support extending from the upright post 63, a shift lever 67 is arranged on the hinged shaft, and a cylinder 68 for driving the shift lever 67 to swing is arranged on the cantilever support.

Further, as shown in fig. 1, 5 and 7, the station b is provided with a lifting positioning mechanism 50, a driving module of the lifting positioning mechanism 50 is electrically connected with the controller, when the number of the materials in the material box 30 of the station b reaches a preset number, the controller controls the lifting positioning mechanism 50 to release the material box 30 onto the box body conveying mechanism 20, and when the controller controls the box body conveying mechanism 20 to feed a step pitch, the controller controls the lifting positioning mechanism 50 to clamp and lift a new material box 30; specifically, as shown in fig. 8, 9 and 10, the lifting positioning mechanism 50 includes two side clamping plates 51 respectively disposed at two sides of the box conveying mechanism 20, the two side clamping plates 51 are respectively connected with two floating plates 53 in a sliding manner along a direction parallel to the box conveying mechanism 20, the two floating plates 53 are respectively connected with two sliding bases 54 in a movable manner along a direction perpendicular to the box conveying mechanism 20, a first elastic unit 541 for driving the two floating plates 53 to approach each other is disposed between the floating plates 53 and the sliding bases 54, and the sliding bases 54 are slidably disposed on the supporting frame 501 along a direction perpendicular to the box conveying mechanism 20; as shown in fig. 11, the lifting and positioning mechanism 50 further includes an end clamping arm 52 disposed at least one end of the front and back of the material box 30, and a driving mechanism for driving the two sliders 54 and the end clamping arm 52 to move toward the material box 30, wherein the driving mechanism is configured to first drive the two sliders 54 to move toward the material box 30, and when the two side clamping plates 51 clamp the two side walls of the material box 30, then drive the end clamping arm 52 to move toward the material box 30 and push the material box 30 to slide to a preset position in a direction parallel to the box conveying mechanism 20; preferably, as shown in fig. 10, the lower ends of the side clamping plates 51 are provided with lower supporting plates 511 extending toward the bottom of the magazine 30, and the ends of the lower supporting plates 511 are provided with wedge surfaces, so that the magazine 30 can be lifted onto the lower supporting plates 511 under the guide of the wedge surfaces when the two side clamping plates 51 are brought close to each other. The first elastic unit 541 is arranged between the floating plate 53 and the sliding seat 54, so that the side clamping plates 51 can adapt to the widths of different boxes in the clamping process, and the side clamping plates 51 are arranged on the floating plate 53 in a sliding manner, so that the final longitudinal position of the bin 30 depends on the final clamping position of the end clamping arms 52, and the final longitudinal position of the bin 30 is determined because the final clamping position of the end clamping arms 52 is certain, so that the position of the bin 30 on the conveying mechanism can float to a certain extent when the two side clamping plates 51 clamp the bin 30, and the bin 30 is not required to be stopped at a very accurate position, so that the precision requirement of a driving element is reduced, the fault tolerance of the equipment is improved, the equipment is more reliable in operation, and the service life is long. Further, as shown in fig. 9, a vibration material homogenizing mechanism is arranged between the side clamping plates 51 and the floating plate 53, the vibration material homogenizing mechanism includes a second elastic unit 531, the second elastic unit 531 is configured to deform the second elastic unit 531 when the end clamping arms 52 push the material box 30 and make the material box 30 slide to the preset position, and the elastic potential energy of the second elastic unit 531 can drive the material box 30 to vibrate back and forth when the end clamping arms 52 release the material box 30 instantly; and the side wall of the material box 30 is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines. The vibration material homogenizing mechanism is stored by skillfully utilizing the squeezing and pushing action of the end clamping arm 52, the potential energy is released after the materials are full, the slight vibration effect is achieved, no additional power source is needed in the vibration process, the new technical problem is solved, and the structure of the equipment is simplified to the maximum extent.

As shown in fig. 14 and 15, the driving mechanism includes a rotating shaft 55 vertically and rotatably disposed on the supporting frame 501 and a driving bracket 56 movably disposed along a direction parallel to the box conveying mechanism 20, the rotating shaft 55 is provided with a first rotating arm 552 fixedly connected to the rotating shaft 55, two ends of the first rotating arm 552 are respectively hinged to a first connecting rod 554, and the first connecting rods 554 are respectively hinged to the two sliding bases 54; the rotating shaft 55 is further provided with a swing arm 551 fixedly connected with the rotating shaft 55, a guide post is arranged at the end of the swing arm 551, an L-shaped guide groove 563 in sliding fit with the guide post is arranged on the driving bracket 56, the L-shaped guide groove 563 comprises a first section perpendicular to the conveying direction of the box conveying mechanism 20 and a second section parallel to the conveying direction of the box, the driving bracket 56 has a first stroke and a second stroke along the moving direction, the guide post slides in the first section of the L-shaped guide groove 563 when the movable bracket moves in the first stroke, at this time, the driving bracket 56 can drive the swing arm 551 to swing, the guide post slides in the second section of the L-shaped guide groove 563 when the movable bracket moves in the second stroke, and at this time, the swing arm 551 keeps still.

As shown in fig. 13, the end clamping arm 52 includes a swing rod 521 and an arc rod 522, the swing rod 521 is hinged to the support frame 501, the arc rod 522 is fixedly connected to an end of the swing rod 521, an arc center of the arc rod 522 is located on an axis of a hinge shaft of the swing rod 521, one end of the arc rod 522 is provided with a press roller 523 that is in rolling fit with an outer wall of the bin 30, the other end of the arc rod 522 is provided with a guide wheel 524, the driving bracket 56 is provided with a push block 561, when the driving bracket 56 moves to a first preset position in a second stroke along a first direction, the push block 561 can push the guide wheel 524 to swing the arc rod 522 and push the bin 30, and when the driving bracket 56 continues to move to a second preset position in the second stroke along the first direction, the guide wheel 524 can be separated from the push block 561, and at this time, the arc rod 522 can release the bin 30 instantly; a notch part for the guide wheel 524 to pass through is arranged on the push block 561, a one-way locking plate 562 is arranged on the notch part, the one-way locking plate 562 is pivoted with the push block 561, a limiting part for limiting the rotation angle of the one-way locking plate 562 is arranged between the one-way locking plate 562 and the push block 561, when the driving bracket 56 moves along a first direction, the limiting part can prevent the one-way locking plate 562 from rotating to close the notch part, and when the driving bracket 56 moves along a second direction, the one-way locking plate 562 can rotate to be opened under the extrusion and pushing of the guide wheel 524 so that the guide wheel 524 passes through the notch part; the first and second directions are two opposite directions parallel to the cassette conveying mechanism 20.

Further, a second rotating arm 553 is further disposed on the rotating shaft 55 and is rotatably connected to the rotating shaft 55, two ends of the second rotating arm 553 are respectively hinged to a second connecting rod 555, and the two second connecting rods 555 are respectively hinged to the two floating plates 53. The second rotating arm 553 and the second connecting rod 555 can open and close the two floating plates 53 synchronously, so as to ensure that the two side clamping plates 51 clamp the rear bin 30 on the central axis of the bin conveying mechanism 20.

Preferably, as shown in fig. 12, a guide rod is arranged on the floating plate 53, a guide sleeve slidably engaged with the guide rod is arranged on the side clamping plate 51, a radial boss is arranged on the guide rod, a lug is arranged on the side clamping plate 51, a through hole for the guide rod to pass through is arranged on the lug, the second elastic unit 531 is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.

Preferably, the driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving bracket 56 is connected with a power output component of the driving module. The box body conveying mechanism 20 is a roller conveying line; the material conveying mechanism is a conveying belt 11 which is horizontally arranged, and the material lifting mechanism is a scraper lifter 12.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides an intelligence count case changing line for injection moulding processing which characterized in that: including material conveying mechanism, material hoist mechanism, branch material counting mechanism (60) and box conveying mechanism (20), material conveying mechanism is located injection molding machine mould below and is used for collecting the material after the shaping, material hoist mechanism's feed end is located material conveying mechanism's discharge end, branch material counting mechanism (60) are located material hoist mechanism's discharge end, branch material counting mechanism (60) are used for with material sequence interval arrangement, box conveying mechanism (20) are located the injection molding machine side and are used for carrying workbin (30), box conveying mechanism (20) set gradually station a, station b and station c along direction of delivery, workbin (30) shift between station a, station b, station c along box conveying mechanism (20) in proper order, branch material counting mechanism (60) have first discharge gate (621) and second discharge gate (622), a movable door (66) for controlling the first discharge port (621) and the second discharge port (622) to open and close alternately is arranged between the first discharge port (621) and the second discharge port (622), wherein the first discharge port (621) extends to the position above the material box (30) of the station b, and the second discharge port (622) extends to a material conveying mechanism or a material lifting mechanism at the upstream of the material distribution counting mechanism (60); the counter is arranged on the first discharge hole (621), the counter, the movable door (66) and a driving element of the box body conveying mechanism (20) are electrically connected with the controller, when the counter detects that the quantity of materials passing through the first discharge hole (621) reaches a preset value, the controller controls the movable door (66) to close the first discharge hole (621) and open the second discharge hole (622), the box body conveying mechanism (20) is controlled to feed a step pitch, then the controller controls the movable door (66) to open the first discharge hole (621) and close the second discharge hole (622), and the step pitch is the distance between two adjacent work positions in the work position a, the work position b and the work position c.

2. The intelligent counting box-changing line for injection molding according to claim 1, wherein: the material distribution counting mechanism (60) comprises a rotary disc (61), the rotary disc (61) is rotatably arranged at the upper end of an upright post (63), the upper end of the upright post (63) is provided with a tower tip part which penetrates through the rotary disc (61), the edge of the disc surface of the rotary disc (61) is provided with a spiral slideway (62) which extends spirally from top to bottom, the spiral slideway (62) is fixedly connected with the upright post (63) through a connecting piece, the disc surface of the rotary disc (61) is provided with a first guide plate (64) near the central position, the edge of the disc surface of the rotary disc (61) is provided with a second guide plate (65), the first guide plate (64) and the second guide plate (65) are both arc-surface-shaped and gradually offset towards the edge of the rotary disc (61) while extending along the circumferential direction of the rotary disc (61), the first guide plate (64) and the second guide plate (65) are circumferentially arranged at intervals along the rotary disc (61), and the first guide plate (64) is fixedly connected with the tower tip part, the second guide plate (65) is fixedly connected with the spiral slideway (62); a discharge hole of the material lifting mechanism is positioned above the center of the rotary disc (61), the material falls into the middle area of the rotary disc (61) and then can rotate along with the rotary disc (61), when passing through the first guide plate (64), the first guide plate can pull the material away from the central area and preliminarily disperse the gathered materials, and when passing through the second guide plate (65), the second guide plate (65) can further disperse the material and sequentially guide the material to an inlet of the spiral slideway (62); the pitch of the spiral slideway (62) is gradually increased from top to bottom, so that the speed and the acceleration of the materials are gradually increased in the gliding process, and the distance between the materials is gradually increased.

3. The intelligent counting box-changing line for injection molding according to claim 2, wherein: the first discharge hole (621) is the tail end of the spiral slideway (62), a branch slideway tangent to the spiral slideway (62) is arranged at the position, close to the first discharge hole (621), of the lower end of the spiral slideway (62), the second discharge hole (622) is an outlet of the branch slideway, and the second discharge hole (622) extends to the feed end of the material lifting mechanism; the movable door (66) comprises a baffle arranged at a herringbone fork between the spiral slideway (62) and the branch slideway, the baffle is hinged with a cantilever support which is arranged on the upright post (63) in an extending manner, a shifting lever (67) is arranged on the hinged shaft, and an air cylinder (68) for driving the shifting lever (67) to swing is arranged on the cantilever support.

4. The intelligent counting box-changing line for injection molding according to claim 3, wherein: the station b is provided with a lifting positioning mechanism (50), a driving module of the lifting positioning mechanism (50) is electrically connected with a controller, when the materials in the material box (30) of the station b reach a preset quantity, the controller controls the lifting positioning mechanism (50) to release the material box (30) onto the box conveying mechanism (20), and after the controller controls the box conveying mechanism (20) to feed a step pitch, the controller controls the lifting positioning mechanism (50) to clamp and lift a new material box (30); the lifting positioning mechanism (50) comprises two side clamping plates (51) which are respectively arranged at two sides of the box body conveying mechanism (20), the two side clamping plates (51) are respectively connected with two floating plates (53) in a sliding manner along the direction parallel to the box body conveying mechanism (20), the two floating plates (53) are respectively connected with two sliding seats (54) in a movable manner along the direction perpendicular to the box body conveying mechanism (20), a first elastic unit (541) used for driving the two floating plates (53) to be close to each other is arranged between the floating plates (53) and the sliding seats (54), and the sliding seats (54) are arranged on the supporting frame (501) in a sliding manner along the direction perpendicular to the box body conveying mechanism (20); the lifting positioning mechanism (50) further comprises an end clamping arm (52) arranged at least one end of the front end and the rear end of the feed box (30), and a driving mechanism used for driving the two sliding seats (54) and the end clamping arm (52) to draw close to the feed box (30), wherein the driving mechanism is assembled to drive the two sliding seats (54) to draw close to the feed box (30) at first, and drive the end clamping arm (52) to draw close to the feed box (30) and push the feed box (30) to slide to a preset position along a direction parallel to the box conveying mechanism (20) after the two side clamping plates (51) clamp the two side walls of the feed box (30); the lower end of each side clamping plate (51) is provided with a lower supporting plate (511) extending towards the bottom of the material box (30), the end part of each lower supporting plate (511) is provided with a wedge surface, and when the two side clamping plates (51) are close to each other, the material box (30) can be lifted onto the lower supporting plate (511) under the guidance of the wedge surfaces; a vibration material homogenizing mechanism is arranged between the side clamping plate (51) and the floating plate (53), the vibration material homogenizing mechanism comprises a second elastic unit (531), the second elastic unit (531) is assembled to enable the second elastic unit (531) to deform when the end clamping arms (52) push the material box (30) and enable the material box (30) to slide to the preset position, and elastic potential energy of the second elastic unit (531) can drive the material box (30) to vibrate back and forth when the end clamping arms (52) release the material box (30) instantly; and the side wall of the work bin (30) is provided with an antiskid plate, and the outer surface of the antiskid plate is provided with antiskid lines.

5. The intelligent counting box-changing line for injection molding according to claim 4, wherein: the driving mechanism comprises a rotating shaft (55) vertically and rotatably arranged on the supporting frame (501) and a driving support (56) movably arranged in the direction parallel to the box body conveying mechanism (20), a first rotary arm (552) fixedly connected with the rotating shaft (55) is arranged on the rotating shaft (55), two ends of the first rotary arm (552) are respectively hinged with a first connecting rod (554), and the first connecting rods (554) are respectively hinged with the two sliding seats (54); the box conveying mechanism is characterized in that a swing arm (551) fixedly connected with the rotating shaft (55) is further arranged on the rotating shaft (55), a guide post is arranged at the end of the swing arm (551), an L-shaped guide groove (563) in sliding fit with the guide post is arranged on the driving support (56), the L-shaped guide groove (563) comprises a first section perpendicular to the conveying direction of the box conveying mechanism (20) and a second section parallel to the conveying direction of the box, the driving support (56) has a first stroke and a second stroke along the moving direction, when the movable support moves in the first stroke, the guide post slides in the first section of the L-shaped guide groove (563), at the moment, the driving support (56) can drive the swing arm (551) to swing, when the movable support moves in the second stroke, the guide post slides in the second section of the L-shaped guide groove (563), and at the moment, the swing arm (551) keeps static.

6. The intelligent counting box-changing line for injection molding according to claim 5, wherein: the end clamping arm (52) comprises a swing rod (521) and an arc-shaped rod (522), the swing rod (521) is hinged with the support frame (501), the arc-shaped rod (522) is fixedly connected with the end of the swing rod (521), the arc center of the arc rod (522) is positioned on the axis of the hinged shaft of the swing rod (521), one end of the arc rod (522) is provided with a press roller (523) which is in rolling fit with the outer wall of the bin (30), the other end is provided with a guide wheel (524), the driving bracket (56) is provided with a push block (561), when the driving bracket (56) moves to a first preset position along a first direction in a second stroke, the push block (561) can push the guide wheel (524) to enable the arc-shaped rod (522) to swing and push the work bin (30), when the driving support (56) continues to move to a second preset position along the first direction in a second stroke, the guide wheel (524) can be separated from the push block (561), and at the moment, the arc-shaped rod (522) can instantly release the material box (30); the pushing block (561) is provided with a notch part for the guide wheel (524) to penetrate through, a one-way locking plate (562) is arranged on the notch part, the one-way locking plate (562) is pivoted with the pushing block (561), a limiting part for limiting the rotation angle of the one-way locking plate (562) is arranged between the one-way locking plate (562) and the pushing block (561), when the driving support (56) moves along a first direction, the limiting part can prevent the one-way locking plate (562) from rotating to close the notch part, and when the driving support (56) moves along a second direction, the one-way locking plate (562) can rotate to open under the squeezing and pushing of the guide wheel (524) to enable the guide wheel (524) to pass through the notch part; the first and second directions are two opposite directions parallel to the magazine conveyor (20).

7. The intelligent counting box-changing line for injection molding according to claim 6, wherein: and a second rotary arm (553) rotatably connected with the rotating shaft (55) is further arranged on the rotating shaft (55), two ends of the second rotary arm (553) are respectively hinged with a second connecting rod (555), and the two second connecting rods (555) are respectively hinged with the two floating plates (53).

8. The intelligent counting box-changing line for injection molding according to claim 7, wherein: the floating plate is characterized in that a guide rod is arranged on the floating plate (53), a guide sleeve in sliding fit with the guide rod is arranged on the side clamping plate (51), a radial boss is arranged on the guide rod, a lug is arranged on the side clamping plate (51), a through hole for the guide rod to pass through is formed in the lug, the second elastic unit (531) is a spring, and two ends of the spring are fixedly connected with the lug and the radial boss respectively.

9. The intelligent counting box-changing line for injection molding according to claim 8, wherein: the driving module is an air cylinder, a hydraulic cylinder or an electric cylinder, and the driving support (56) is connected with a power output part of the driving module.

10. The intelligent counting box-changing line for injection molding according to claim 9, wherein: the box body conveying mechanism (20) is a roller conveying line; the material conveying mechanism is a conveying belt (11) which is horizontally arranged, and the material lifting mechanism is a scraper lifter (12).