CN216683065U

CN216683065U - Plastic package preheating device and plastic package piece arranging system

Info

Publication number: CN216683065U
Application number: CN202123124320.2U
Authority: CN
Inventors: 陈金权
Original assignee: Tongfu Microelectronics Co Ltd
Current assignee: Tongfu Microelectronics Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-07
Anticipated expiration: 2031-12-13

Abstract

The embodiment of the application discloses a plastic package preheating device and a plastic package chip arranging system. The plastic package preheating device comprises: a preheating mechanism including a preheating stage and a preheating rack disposed on the preheating stage, the preheating rack configured to have a first position separated from the preheating stage and a second position connected to the preheating stage; wherein the preheating rack is adapted to load a product to be preheated to the preheating rack when in a first position, and the preheating rack is adapted to preheat the product to be preheated when in a second position; and the grabbing mechanism is used for grabbing and transferring the product to be preheated to the preheating frame. The plastic package preheating device realizes synchronous preheating after loading of the product to be preheated through the preheating frame capable of moving relative to the preheating table, and improves the product quality and stability.

Description

Plastic package preheating device and plastic package piece arranging system

Technical Field

The application relates to the technical field of semiconductor packaging, in particular to a plastic package preheating device and a plastic package chip arranging system.

Background

The chip of the power device needs to be plastically packaged after being welded, and the production flow of the plastic packaging generally comprises the following steps: arranging sheets, putting the frame into a mold, putting plastic package material, closing the mold and injecting, curing, opening the mold and the like. In order to make the chip have a stable structure during plastic packaging, the frame after the chip arrangement needs to be preheated to be consistent with or close to the temperature of the plastic packaging material.

The preheating table that is used for the frame to preheat at present is fixed, the frame that row piece machine discharged discharges to the preheating table according to the order, use a mould 8 as an example, put a 10S, the first 10S is accomplished, the eighth 80S is accomplished, the preheating time is obvious different, make the frame of discharging earlier because of the preheating time overlength, the frame oxidation leads to the plastic envelope to appear the layering easily, the frame of back emission leads to preheating inadequately because of the preheating time is short excessively, place the unable position of mould, easily cause the goods to press the muscle phenomenon, lead to production efficiency and stability greatly reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above defects in the prior art, the present application is expected to provide a plastic package preheating device and a plastic package sheet arrangement system, so as to achieve synchronous preheating of a frame after sheet arrangement and improve product quality.

In one aspect of the present application, the present application provides a plastic package preheating device, including:

a preheating mechanism including a preheating stage and a preheating rack disposed on the preheating stage, the preheating rack configured to have a first position separated from the preheating stage and a second position connected to the preheating stage;

wherein the preheating rack is adapted to load a product to be preheated to the preheating rack when in a first position, and the preheating rack is adapted to preheat the product to be preheated when in a second position;

and the grabbing mechanism is used for grabbing and transferring the product to be preheated to the preheating frame.

In one embodiment, the preheating frame is configured to be capable of moving up and down along a vertical direction, and the plastic package preheating device is provided with a lifting mechanism for driving the preheating frame to lift up and down;

the lifting mechanism is a cylinder type lifting mechanism, a hydraulic type lifting mechanism, a gear and rack type lifting mechanism or a motor driven screw type lifting mechanism.

In one embodiment, the lifting mechanism is a cylinder type lifting mechanism which is arranged below the preheating table, and a through hole for a lifting rod of the lifting mechanism to pass through is arranged on the preheating table.

In one embodiment, the preheating table comprises a base, a preheating plate is arranged above the base, and a heating element is arranged between the base and the preheating plate;

the lifting mechanisms are at least two and are uniformly distributed at intervals along the circumferential direction of the base, and the through holes are formed in the preheating plate.

In one embodiment of the device, the preheating frame is provided with at least one preheating station, the preheating station is detachably connected with a material carrying disc for containing a product to be preheated, and the material carrying disc is provided with a positioning hole and an avoiding groove for avoiding the grabbing mechanism.

In one embodiment thereof, the grasping mechanism includes:

the gripper assembly is arranged above the preheating mechanism through the moving assembly;

the movable assembly comprises a first shaft and a second shaft which extend in the horizontal direction and are vertically arranged, and a third shaft which extends in the vertical direction, the first shaft is slidably arranged on the second shaft, the third shaft is slidably arranged on the first shaft, and the hand grip assembly is slidably arranged on the third shaft and can rotate in the horizontal plane.

In one embodiment, the gripper assembly comprises a gripper body and a plurality of grippers rotatably arranged on the gripper body, the gripper body is provided with a driving rod for driving the grippers to be folded and unfolded, and the driving rod is in power connection with the grippers.

In one embodiment, an accommodating cavity is formed in the center of the gripper body, the driving rod penetrates through the accommodating cavity and can move along the extending direction of the accommodating cavity, a supporting portion is arranged at the end portion, close to the gripper, of the driving rod, the transverse section of the supporting portion is gradually increased in the direction far away from the preheating mechanism so as to limit a supporting surface facing the gripper, and the supporting surface is used for abutting against the gripper and driving the gripper to move.

In one embodiment, the gripper body is provided with a rotating wheel, and the rotating wheel drives the gripper assembly to rotate through a synchronous belt arranged in parallel with the first shaft.

In another aspect of this application, this application provides a piece system is arranged to plastic envelope, include as above plastic envelope preheating device with arrange the piece device, plastic envelope preheating device set up in arrange the discharge gate of piece device, be used for right arrange the product that the piece device discharged and carry out preheating process.

The plastic package preheating device realizes synchronous preheating after loading of the product to be preheated through the preheating frame capable of moving relative to the preheating table, and improves the product quality and stability.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic perspective view of a plastic packaging preheating device according to an embodiment of the present application;

FIG. 2 is a schematic perspective view of a preheating mechanism and a grasping mechanism according to an embodiment of the present application;

FIG. 3 is another perspective view of the preheating mechanism and the grasping mechanism according to the embodiment of the present application;

FIG. 4 is an enlarged view of section A of FIG. 3;

FIG. 5 is an exploded view of the preheating mechanism of the embodiment of the present application;

FIG. 6 is a front view of a preheat mechanism of an embodiment of the present application;

FIG. 7 is a perspective view of a gripper assembly according to an embodiment of the present application;

FIG. 8 is another perspective view of the gripper assembly according to an embodiment of the present application;

FIG. 9 is an enlarged partial view of a gripper assembly according to an embodiment of the present application;

FIG. 10 is a schematic perspective view of a lift mechanism according to an embodiment of the present application;

fig. 11 is a flowchart illustrating a use of the plastic packaging preheating device according to the embodiment of the present application.

Reference numerals:

the preheating device comprises a preheating mechanism 1, a preheating table 10, a through hole 100, a base 101, a preheating plate 102, a heating element fixing block 103, a preheating rack 11, a preheating station 110, a loading tray 12, a positioning hole 120 and an avoiding groove 121;

the gripping mechanism 2, the gripper assembly 20, the gripper 201, the gripper body 202, the driving rod 203, the supporting part 204, the supporting surface 205, the annular connecting part 206 and the rotating wheel 207;

a moving assembly 21, a first shaft 22, a second shaft 23, a third shaft 24, a synchronous belt 25;

the lifting mechanism 3, the lifting rod 30, the cylinder 31, the supporting block 32, the regulating valve 33, the displacement detection element 34 and the fixed seat 35;

a feeding track 4;

a human-computer interaction interface 5;

and a carrier 6.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "X", "Y", "Z", etc. indicate orientations and positional relationships that are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

It should be noted that in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

It should be noted that unless expressly specified or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and include, for example, fixed and removable connections as well as integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

According to a first aspect of the present application, please refer to fig. 1-10, which illustrate a plastic package preheating apparatus of a preferred embodiment of the present application, comprising a preheating mechanism 1 and a grasping mechanism 2, wherein the preheating mechanism 1 comprises a preheating stage 10 and a preheating rack 11 disposed on the preheating stage 10, and the preheating rack 11 is configured to have a first position separated from the preheating stage 10 and a second position connected to the preheating stage 10; wherein the preheating rack 11 is adapted to load the preheating rack 11 with a product to be preheated when in the first position, and the preheating rack 11 is adapted to preheat the product to be preheated when in the second position; the grabbing mechanism 2 is used for grabbing and transferring a product to be preheated to the preheating frame 11.

Specifically, the preheating rack 11 is movably disposed on the preheating stage 10, and is used for carrying the product to be preheated, and as a feeding tool for feeding the preheating stage 10, when the preheating rack is located at the second position, the heat generated by the preheating stage 10 can be transferred to the preheating rack 11 and further transferred to the product to be preheated so as to heat the product to be preheated, where the movable disposition means that the preheating rack 11 is disposed independently from the preheating stage 10, and the preheating rack 11 can move within a preset range relative to the preheating stage 10 so as to switch between the first position and the second position.

It is understood that the preheating rack 11 can be switched between the first position and the second position by moving the preheating rack 11 immovably and moving the preheating stage 10 away from or close to the preheating rack, or by moving the preheating rack 11 away from or close to the preheating stage 10 immovably and moving both the preheating rack 11 and the preheating stage 10 away from or close to each other, and preferably by moving the preheating stage 10 immovably and moving the preheating rack 11 away from or close to the preheating stage 10.

It will be appreciated that the preheating shelves 11 are movably connected to the preheating stage 10 in a suitable manner, and that in the connected state the preheating shelves 11 are movable within a predetermined range relative to the preheating stage 10.

When in the first position, the preheating rack 11 is separated from the preheating table 10, the preheating rack 11 is in a position convenient for loading, and a product to be preheated can be loaded on the preheating rack 11 in a proper manner for loading; after the feeding is finished, the preheating frame 11 moves to a second position, when the second position is reached, the preheating frame 11 is connected to the upper surface of the preheating table 10, or the preheating frame 11 is close to the upper surface of the preheating table 10 and has a proper distance between the preheating frame and the upper surface, so that the heat from the preheating table 10 can be sufficiently transferred to the preheating frame 11 to heat the products to be preheated, at the moment, because a plurality of products to be preheated simultaneously reach the second position along with the preheating frame 11, the synchronous preheating of the products is realized, and the uneven product quality caused by the inconsistent preheating time is avoided. The preheating frame 11 can be freely driven by a grabbing member, such as a manipulator, an adhesive structure or a magnetic adsorption structure, disposed on the device to switch between a first position and a second position, wherein the switching between the first position and the second position can be completed by moving up and down, or by moving left and right, or by moving front and back, etc., and the application is not limited as long as the synchronous transfer and synchronous preheating of the products to be preheated can be achieved. Wherein the loading of the product to be preheated onto the preheating shelf 11 is carried out by means of the gripping mechanism 2.

And the product to be preheated is a chip frame after wire bonding.

Further, in some preferred embodiments of the present application, the preheating frame 11 is configured to be capable of moving up and down in a vertical direction relative to the preheating table 10, and the plastic packaging preheating device is provided with a lifting mechanism 3 for driving the preheating frame 11 to move up and down;

the lifting mechanism 3 is a cylinder type lifting mechanism, a hydraulic type lifting mechanism, a gear rack type lifting mechanism or a motor-driven screw type lifting mechanism.

Specifically, the output end of the lifting mechanism abuts against the lower surface of the preheating frame 11, the preheating frame 11 is driven to move upwards to reach the first position to feed the product to be preheated, and the preheating frame 11 is driven to move downwards to reach the second position to preheat the product to be preheated.

Further, in some preferred embodiments of the present invention, referring to fig. 2 and 3, the lifting mechanism 3 is a cylinder type lifting mechanism, which is disposed below the preheating stage 10, and the preheating stage 10 is provided with a through hole 100 for the lifting rod 30 of the lifting mechanism to pass through.

Specifically, the lifting mechanism 3 includes a lifting rod 30 for driving the preheating frame 11 to lift, and a cylinder 31 for driving the lifting rod 30 to lift relative to the preheating frame 10, the cylinder 31 is disposed below the preheating frame 10, the extending direction of the lifting rod 30 is perpendicular to the plane of the preheating frame 11, the lifting rod 30 can pass through the preheating frame 10 via the through hole 100 to abut against the lower surface of the preheating frame 11 when rising, and can be accommodated below the preheating frame 10 after falling.

Further, in some preferred embodiments of the present application, referring to fig. 5, the preheating table 10 includes a base 101, a preheating plate 102 is disposed above the base 101, and a heating element is disposed between the base 101 and the preheating plate 102;

the lifting mechanisms 3 are at least two and are uniformly distributed at intervals along the circumferential direction of the base 101, and the through holes 100 are arranged on the preheating plate 102.

Specifically, the upper surface of the base 101 is provided with a plurality of heating element fixing blocks 103, a preheating plate 102 is disposed above the heating element fixing blocks 103, the preheating rack 11 is placed on the preheating plate 102, and the heating elements are loaded in the heating element fixing blocks 103 to heat the preheating plate 102. Wherein the base 101 is made of a heat insulating material and the preheating plates 102 and the preheating shelves 11 are made of a heat conducting material, heat from the heating elements can be transferred to the product to be preheated via the preheating plates 102 and the preheating shelves 11. Wherein the heating element may be a heating rod.

At least two elevating system 3 distribute in the below of preheating frame 11 evenly at interval to steady jack-up preheats frame 11 and drives and preheats frame 11 and move down, in order to prevent to wait to preheat the product and drop or collide. The number and arrangement of the lifting mechanisms 3 are related to the shape and size of the preheating frame 11, preferably, the preheating frame 11 and the preheating plate 102 are both of plate-shaped structures with rectangular cross sections, and the number of the lifting mechanisms 3 is four, and the lifting mechanisms are correspondingly arranged below four corners of the preheating frame 11.

In more specific embodiments, a plurality of cylinders 31 are uniformly distributed below a base 101 at intervals, each lifting rod 31 is movably connected with the base 101, a supporting block 32 is arranged at an end of the lifting rod 30 for abutting against the preheating frame 11, a through hole 100 is formed in a position of the preheating plate 102 corresponding to the lifting rod 30, and the lifting rod 30 moves upwards to penetrate through the through hole 100 so that the supporting block 32 abuts against the lower surface of the preheating frame 11 to drive the preheating frame 11 to move upwards and downwards.

Further, in some preferred embodiments of the present application, referring to fig. 10, the cylinder 31 is provided with an adjusting valve 33 for adjusting the air flow, and the adjustment of the air flow by the adjusting valve 33 can realize the adjustment of the lifting speed of the lifting rod 30, so as to meet the production requirement.

Further, in some preferred embodiments of the present application, the lifting mechanism 3 further includes a displacement detecting element 34 for detecting the position of the lifting rod 30.

Specifically, the displacement detecting element 34 is disposed on the cylinder 31 to detect whether the lifting rod 30 reaches the preset position of upward movement and the preset position of downward movement, so that the preheating frame 11 reaches the preset first position to facilitate loading, and reaches the preset second position to precisely heat the product, thereby preventing the occurrence of problems such as incapability of loading or low heating efficiency caused by improper position. There may be two displacement detection elements 34, which are respectively used to detect whether the lifting rod 30 reaches the preset position of upward movement and the preset position of downward movement, and the displacement detection element 34 may be a photoelectric sensor.

It is understood that sensors may be provided at the positions where the preheating racks 11 are adapted to directly detect whether the preheating racks 11 reach the preset first and second positions.

Further, in some preferred embodiments of the present application, the lifting mechanism 3 further fixes the seat 35, which plays a role of fixing the cylinder 31, so as to prevent the cylinder from being biased by force.

Further, in some preferred embodiments of the present application, at least one preheating station 110 is provided on the preheating frame 11, a material carrying tray 12 for accommodating a product to be preheated is detachably connected to the preheating station 110, the material carrying tray 12 is provided with a positioning hole 120 and an avoiding groove 121 for avoiding the grabbing mechanism 2.

Specifically, the surface of the preheating frame 11 facing away from the preheating plate 102 is provided with a plurality of accommodating grooves, each accommodating groove serves as a preheating station 110, the material carrying tray 12 is detachably connected to the preheating station 110, and there are various ways of detachably connecting the material carrying tray 12 to the preheating station 110, for example, the material carrying tray 12 is connected to the preheating station 110 through a buckle, or the material carrying tray 12 is connected to the preheating station 110 through a thread, or the material carrying tray 12 is connected to the preheating station 110 through a buckle, or the material carrying tray 12 is connected to the preheating station 110 through a magnetic adsorption structure, which is not limited in this application. Preferably, the two are connected by a snap fit, for example, as shown in fig. 6, the loading tray 12 has a snap fit slot thereon, and the preheating station 110 has a fitting snap fit. The detachable material carrying disc 12 can be replaced by the material carrying disc 12 matched with the shape and size of the product to be preheated, so that the applicability of the preheating device is improved. Wherein the tray 12 is made of a thermally conductive material.

The positioning holes 120 on the material carrying tray 12 are convenient for the grabbing mechanism 2 to position when transferring the product to be preheated, so as to ensure accurate placement of the product; the avoiding groove 121 is convenient for the grabbing mechanism 2 to release the product to be preheated, and the grabbing mechanism 2 is prevented from interfering with the material carrying disc 12 to cause the product to be placed inaccurately.

Further, in some preferred embodiments of this application, plastic envelope preheating device still includes material loading track 4, waits to preheat the product and carries the assigned position through material loading track 4 is automatic, snatchs by snatching mechanism 2 and shifts to preheating frame 11, is showing improvement automation level and preheating process efficiency.

Further, in some preferred embodiments of the present application, the grasping mechanism 2 includes: the gripper assembly 20 and the moving assembly 21 are arranged above the preheating mechanism 1 through the moving assembly 21, and the gripper assembly 20 is arranged above the preheating mechanism 1;

the moving assembly comprises a first shaft 22 and a second shaft 23 which extend in the horizontal direction and are vertically arranged, and a third shaft 24 which extends in the vertical direction, the first shaft 22 is slidably arranged on the second shaft 23, the third shaft 24 is slidably arranged on the first shaft 22, and the gripper assembly 20 is slidably arranged on the third shaft 24 and can rotate in the horizontal plane.

Specifically, the first shaft 22 is used for driving the gripper assembly 20 to move along the X-axis direction, the second shaft 23 is used for driving the gripper assembly 20 to move along the Y-axis direction, and the third shaft 24 is used for driving the gripper assembly 20 to move along the Z-axis direction, wherein the first shaft 22, the second shaft 23, and the third shaft 24 are guide rails of a cantilever structure or a gantry structure, and the three are arranged perpendicularly to each other.

It will be appreciated that the moving assembly 21 may further comprise a slider capable of sliding along a first axis 22, a second axis 23 and a third axis 24, the first axis 22 being connected to the slider capable of sliding along the second axis 23, the third axis 24 being connected to the slider capable of sliding along the first axis 22, and the gripper assembly 20 being connected to the slider capable of sliding along the third axis 24, so as to realize the movement of the gripper assembly in three directions of XYZ axes.

Further, in some preferred embodiments of the present application, as shown in fig. 7 to 9, the gripper assembly 20 includes a gripper body 202 and a plurality of grippers 201 rotatably disposed on the gripper body 202, the gripper body 202 has a driving rod 203 for driving the grippers 201 to be folded and unfolded, and the driving rod 203 is in power connection with the grippers 201.

Specifically, a plurality of grippers 201 are rotatably disposed on the circumference of the gripper body 202, and when the gripper body is in a closed state, a product to be preheated is gripped, and when the gripper body is in an open state, the product to be preheated is released. The hand grip 201 is rotatably connected with the hand grip body 202 in various ways, for example, the hand grip 201 is rotatably connected with the hand grip body 202 through a shaft, or the hand grip 201 is rotatably connected with the hand grip body 202 through a hinge, and preferably, the hand grip 201 is rotatably connected with the hand grip body 202 through a shaft.

The hand grip 201 is connected to the driving rod 203 by power, so that the driving rod 203 drives the hand grip 201 to fold or unfold. The power connection means that the two components are connected through a conventional mechanical connection or power coupling to realize power transmission, and specifically means that the driving rod 203 can provide power for the hand grip 201 and is suitable for driving the hand grip 201 to rotate relative to the hand grip body 202.

Further, in some preferred embodiments of the present application, as shown in fig. 8 and 9, an accommodating cavity is formed in the center of the hand grip body 202, the driving rod 203 is inserted into the accommodating cavity and can move along the extending direction of the accommodating cavity, a supporting portion 204 is disposed at an end of the driving rod 203 close to the hand grip 201, a cross section of the supporting portion 204 is gradually increased in a direction away from the preheating mechanism to define a supporting surface 205 facing the hand grip, and the supporting surface 205 is used for abutting against the hand grip 201 and driving the hand grip 201 to move.

Specifically, the gripper body 202 is movably provided with a driving rod 203 capable of moving up and down in the vertical direction, a conical supporting portion 204 is arranged at the end of the driving rod 203 close to the gripper 201, so as to form an inclined conical supporting surface 205 facing the gripper, an annular connecting portion 206 is arranged at the end of the gripper 201 for connecting with the gripper body 202, the annular connecting portion 206 is sleeved on a shaft arranged on the gripper body 202 to realize the rotating connection between the gripper 201 and the gripper body 202, and the annular connecting portion 206 abuts against the supporting surface 205. When the driving rod 203 moves downwards in a direction close to the preheating stage, the friction between the supporting surface 205 and the annular connecting portion 206 and the outward acting force of the supporting surface 205 on the gripper 201 drive the gripper 201 to unfold, and when the driving rod 203 moves upwards in a direction away from the preheating stage, the friction between the supporting surface 205 and the annular connecting portion 206 drive the gripper 201 to fold.

The movement of the driving rod 203 may be driven by a motor, an air cylinder, or other various means, which is not limited in this application.

Further, in some preferred embodiments of the present application, as shown in fig. 7, the gripper body 202 has a rotating wheel 207 thereon, and the rotating wheel 207 drives the gripper assembly 20 to rotate through a timing belt 25 disposed parallel to the first shaft 22. In some embodiments of the present application, the timing belt 25 may drive the gripper assembly 20 to rotate along the U-shaped track for gripping and placing the product to be preheated.

Wherein, the motion of X axle direction and Y axle direction can adopt same servo motor drive, alternate reciprocating motion, and the motion of Z axle direction can adopt the cylinder drive to carry out the reciprocating of fixed height, and the drive of another servo motor of hold-in range accessible is favorable to making the whole space of device compact, and it is higher to snatch efficiency. Wherein, the motion of X axle direction, Y axle direction and the rotary motion in the horizontal plane can be set for according to the position of material loading track 4 and locating hole 120, and each motion all can adopt high accuracy ball screw and shaft coupling to realize accurate removal and rotation, guarantees to wait to preheat the income position precision of product.

Further, in some preferred embodiments of the present application, the preheating device further includes a control mechanism for controlling the preheating frame 11 and the gripping mechanism 2 to act according to a predetermined command.

The control mechanism sends control instructions for the movement of the preheating frame 11 relative to the preheating table 10, the movement of the gripper assembly 20 in the X-axis direction, the Y-axis direction and the Z-axis direction, the rotation of the rotating wheel 250, the preheating time and the like, and controls the preheating device to execute various actions or tasks such as working mode switching, preheating on-off and the like. The control unit may be an embedded Digital Signal Processor (DSP), a Microprocessor (MPU), an Application Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), a System On Chip (SOC), a Central Processing Unit (CPU), or a Field Programmable Gate Array (FPGA), etc.

The plastic package preheating device further comprises a power supply mechanism for providing working energy. The power mechanism is typically a rechargeable battery or may be connected to an external power source for recharging.

Further, in some preferred embodiments of the present application, the plastic package preheating device further includes a human-computer interface 5 connected to the control mechanism.

The human-computer interaction interface 5 is connected with a signal end of the control mechanism, and an operator can directly control various functions of the preheating device through the human-computer interaction interface 5, wherein the human-computer interaction interface 5 can be a touch screen, a key controller and the like, and can be in communication connection with the control mechanism in a wired or wireless mode. Preferably, the human-computer interaction interface 5 adopts a touch screen, so that not only can parameter settings such as preheating time, delay preheating time, gas flow and the like be performed, but also working condition data such as a gas flow value, a motor running state and the like can be displayed.

Further, in some preferred embodiments of this application, the plastic envelope preheating device still includes carrier 6, snatch mechanism 2, preheat mechanism 1, material loading track 4, control mechanism and human-computer interface 5 and integrate in carrier 6, make the plastic envelope preheating device compact structure is pleasing to the eye. Wherein, the bottom of carrier 6 is equipped with the removal part and the lifting unit that are used for making its motion, and the removal part includes walking wheel or track structure, is convenient for remove it to the station that needs carry out the product and preheat, and lifting unit is convenient for adjust preheating device height according to row piece machine unloading condition.

Referring to fig. 11, a plastic package preheating device according to an embodiment of the present application is used as follows:

resetting the device, placing the preheating frame on a preheating table, and setting time delay preheating time;

the lifting rod rises to jack up the preheating frame, and the preheating frame is separated from the preheating table and reaches a first position;

the grabbing mechanism grabs the frames and arranges the frames on the preheating frame in sequence;

after the frame is completely discharged, the grabbing mechanism returns to the original point;

the lifting rod descends to drive the preheating frame to descend to a second position, and the frame is preheated according to set time.

When the lifting rod ascends and descends, the sensor is adopted to detect whether the lifting rod reaches a preset upper limit position and a preset lower limit position, namely, whether the preheating frame reaches a preset first position and a preset second position is detected.

The utility model provides a preheating device reaches synchronous preheating through the lift of preheating the frame, has that simple structure, space take up an area of for a short time, operation are stable, low cost's advantage, ingenious solution arrange the unable synchronous difficult problem of preheating of piece machine frame, show to have improved product quality.

In another aspect of this application, this application provides a piece system is arranged to plastic envelope, include as above plastic envelope preheating device with arrange the piece device, plastic envelope preheating device set up in arrange the discharge gate of piece device, be used for right arrange the product that the piece device discharged and carry out preheating treatment.

The specific structure of the plastic package preheating device refers to the above embodiments, and since the plastic package chip arraying system adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not described in detail herein. The sheet arrangement device has a structure common in the art and will not be described in detail here.

Wherein, plastic envelope preheating device makes the frame accessible material loading track automatic transportation after arranging the piece device ejection of compact assigned position through the material loading track with arranging the discharge gate adaptation of piece device, snatchs and shifts to preheating mechanism by snatching the mechanism.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a plastic envelope preheating device which characterized in that includes:

2. The plastic package preheating device according to claim 1, wherein the preheating frame is configured to be capable of lifting and lowering along a vertical direction, and the plastic package preheating device is provided with a lifting mechanism for driving the preheating frame to lift and lower;

3. A pre-heating apparatus for plastic package according to claim 2, wherein the lifting mechanism is a cylinder type lifting mechanism, which is disposed below the pre-heating stage, and the pre-heating stage is provided with a through hole for passing through a lifting rod of the lifting mechanism.

4. A plastic package preheating device according to claim 3, wherein the preheating stage comprises a base, a preheating plate is disposed above the base, and a heating element is disposed between the base and the preheating plate;

5. The plastic package preheating device according to claim 1, wherein the preheating frame is provided with at least one preheating station, the preheating station is detachably connected with a material carrying tray for accommodating a product to be preheated, and the material carrying tray is provided with a positioning hole and an avoidance groove for avoiding the grabbing mechanism.

6. A pre-heating device for plastic package according to claim 1, wherein the gripping mechanism comprises:

7. The plastic package preheating device according to claim 6, wherein the gripper assembly comprises a gripper body and a plurality of grippers rotatably arranged on the gripper body, the gripper body is provided with a driving rod for driving the grippers to be folded and unfolded, and the driving rod is in power connection with the grippers.

8. The plastic package preheating device of claim 7, wherein an accommodating cavity is formed in the center of the gripper body, the driving rod penetrates through the accommodating cavity and can move along the extending direction of the accommodating cavity, a supporting portion is arranged at the end portion, close to the gripper, of the driving rod, the cross section of the supporting portion is gradually increased in the direction away from the preheating mechanism to define a supporting surface facing the gripper, and the supporting surface is used for abutting against the gripper and driving the gripper to move.

9. The pre-heating device for plastic package according to claim 7, wherein the gripper body is provided with a rotating wheel, and the rotating wheel drives the gripper assembly to rotate through a synchronous belt arranged parallel to the first shaft.

10. A plastic package sheet discharging system, comprising the plastic package preheating device and the sheet discharging device as claimed in any one of claims 1 to 9, wherein the plastic package preheating device is disposed at a discharge port of the sheet discharging device and is used for preheating a product discharged by the sheet discharging device.