CN216548560U

CN216548560U - Lifting transfer mechanism and charging tray feeding and discharging device

Info

Publication number: CN216548560U
Application number: CN202122715887.0U
Authority: CN
Inventors: 何立强
Original assignee: Shenzhen Ruiwai Technology Co ltd
Current assignee: Shenzhen Ruiwai Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-17
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a lifting transfer mechanism and a charging tray feeding and discharging device, which are characterized by comprising a bottom plate, a first motor, a first lead screw, a second lead screw, a coupler, a screw seat, a first nut seat, a second nut, a jacking plate, a first X-shaped connecting rod assembly and a second X-shaped connecting rod assembly, wherein the bottom plate is horizontally arranged; the first lead screw and the second lead screw are arranged on the bottom plate along the X axis through a screw seat and are connected together through a coupler; the first motor is connected with the first lead screw and can drive the first lead screw to rotate; the first screw rod is in threaded connection with a first nut seat, and the second screw rod is in threaded connection with a second nut seat; when the first motor rotates, the moving directions of the first nut seat and the second nut seat are opposite, and the like.

Description

Lifting transfer mechanism and charging tray feeding and discharging device

Technical Field

The utility model relates to the field of automatic feeding and discharging of electronic materials, in particular to a lifting transfer mechanism and a charging tray feeding and discharging device comprising the same.

Background

The automatic feeding and discharging of the electronic materials can not leave the material tray. The charging tray is used for containing electronic materials so as to facilitate the automatic transportation of the electronic materials. However, because electronic materials, especially chip materials, are smaller and lighter, in the transportation and transfer processes of the existing material tray, due to the fact that the operation and the action of related mechanisms are not stable enough, the electronic materials are easy to separate from pits in the moving process of the material tray, the electronic materials in the material tray are dislocated and jump, and the material cannot be loaded and unloaded. And the chips in the tray are put well again, so that great manpower and time are consumed, and the feeding and discharging efficiency of the chips is seriously influenced.

In order to improve the stability of tray transfer, the related mechanisms need to be further optimized and improved.

Disclosure of Invention

The utility model mainly aims to overcome the defects of the prior art and provides a lifting transfer mechanism and a charging tray feeding and discharging device comprising the same.

In order to achieve the above purpose, the lifting transfer mechanism of the utility model is characterized by comprising a bottom plate, a first motor, a first lead screw, a second lead screw, a coupler, a screw seat, a first nut seat, a second nut, a jacking plate, a first X-shaped connecting rod assembly and a second X-shaped connecting rod assembly, wherein the bottom plate is horizontally arranged; the first lead screw and the second lead screw are arranged on the bottom plate along the X axis through the screw rod seat and are connected together through the coupler; the first motor is connected with the first lead screw and can drive the first lead screw to rotate; the first screw rod is in threaded connection with a first nut seat, and the second screw rod is in threaded connection with a second nut seat; when the first motor rotates, the moving directions of the first nut seat and the second nut seat are opposite; in the direction of the left side and the right side of the first lead screw, the jacking plate is respectively in rotatable connection with the first nut seat and the screw seat through a first X-shaped connecting rod assembly and is positioned in the direction of the left side and the right side of the second lead screw, and the jacking plate is respectively in rotatable connection with the second nut seat and the screw seat through a second X-shaped connecting rod assembly. Like this, because the combination and the shaft coupling effect of first lead screw and second lead screw, first nut seat, second nut can move steadily to turn into reliable elevating movement through first X shape link assembly and second X shape link assembly, can reduce the electron material and break away from the pit easily to a certain extent, lead to the appearance of electron material dislocation in the charging tray, skip material scheduling problem, improve the stability and the reliability of going up and down.

Preferably, the upper left corner and the upper right corner of the first X-shaped connecting rod assembly are respectively rotatably connected with the lifting plate, the lower left corner of the first X-shaped connecting rod assembly is rotatably connected with the first nut seat, and the lower right corner of the first X-shaped connecting rod assembly is rotatably connected with the screw seat; the upper left corner and the upper right corner of the second X-shaped connecting rod assembly are respectively and rotatably connected with the jacking plate, the lower left corner of the second X-shaped connecting rod assembly is rotatably connected with the screw seat, and the lower right corner of the second X-shaped connecting rod assembly is rotatably connected with the second nut seat. Therefore, the first nut seat and the second nut seat move reversely, so that the first X-shaped connecting rod assembly and the second X-shaped connecting rod assembly do the same action and simultaneously rise or simultaneously fall, and the lifting plate is stably lifted or descended integrally.

Preferably, the screw base is provided with a plurality of limiting columns in the Z-axis direction.

Preferably, an 8-shaped coupling is further arranged at one end, far away from the first motor, of the second lead screw and is connected with an encoder through the 8-shaped coupling, so that linear displacement of the first nut seat and the second nut seat can be accurately measured and controlled, and lifting of the jacking plate is accurately controlled.

Preferably, one of the first X-shaped connecting rod assembly, the second X-shaped connecting rod assembly, the first nut seat and the second nut seat is provided with a sensing piece, and a first sensor and a second sensor are arranged at intervals at corresponding positions along the X axis and respectively detect two different positions of the sensing piece on the X axis, the first sensor detects the sensing piece and indicates that the lifting plate rises to a preset position, and the second sensor detects the sensing piece and indicates that the lifting plate falls to the preset position.

Preferably, in the Y-axis direction, guide shafts are provided on both the left and right sides of the first lead screw and the second lead screw, so as to improve the smoothness of the moving process of the first nut seat and the second nut seat.

The utility model also relates to a charging and discharging device for the charging tray, which is characterized in that: the automatic material loading and unloading device comprises a first material bin, a second material bin, a material tray lifting mechanism, a first translation mechanism, a second translation mechanism, a first lifting transfer mechanism and a second lifting transfer mechanism, wherein the material tray lifting mechanism is arranged in the first material bin and is used for lifting a material tray of the first material bin; the first lifting transfer mechanism is arranged between the first bin and the second bin and is used for transferring the material tray between the first bin and the first transfer mechanism and transferring the material tray between the second transfer mechanism and the second bin; the second lifting transfer mechanism is arranged between the first transfer mechanism and the second transfer mechanism and is used for transferring the material tray between the first transfer mechanism and the second transfer mechanism; the first translation mechanism and the second translation mechanism are arranged between the first lifting transfer mechanism and the second lifting transfer mechanism to form horizontal transfer of the material tray in opposite directions between the two mechanisms; the first lifting transfer mechanism and the second lifting transfer mechanism both comprise the lifting transfer mechanism.

Preferably, the bottom entrance of second feed bin is equipped with a plurality of material blocking assemblies, when the material blocking assembly is used for the second feed bin to first lift transfer mechanism transfer charging tray, the buckle or hold the next to last charging tray to make the charging tray of bottom below can transfer the jacking board of first lift transfer mechanism, perhaps when first lift transfer mechanism shifts the charging tray to the second feed bin, after the jacking board of first lift transfer mechanism got into the second feed bin, the material blocking assembly buckled or held the charging tray of jacking board, in order to realize that the charging tray shifts to the second feed bin.

Further, the lower part or the bottom edge of the first lifting and transferring mechanism is provided with a plurality of seesaw assemblies, the seesaw assemblies are used for clamping or holding the topmost material disc when the material disc lifting mechanism transfers the material disc to the first lifting and transferring mechanism so as to transfer the material disc to the bottom of the first lifting and transferring mechanism, and when the first lifting and transferring mechanism transfers the material disc to the material disc lifting mechanism, the material disc conveyed by the first transferring mechanism is clamped by the seesaw assemblies, and then when the material disc lifting mechanism is lifted in place, the seesaw assemblies are opened so as to transfer the material disc to the material disc lifting mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a tray loading and unloading device with a front baffle removed in a preferred embodiment;

FIG. 2 is a schematic structural diagram of the whole charging tray loading and unloading device in a preferred embodiment;

FIG. 3 is a schematic diagram of the overall structure of a lifting transfer mechanism in a preferred embodiment;

fig. 4 is a partial structural diagram of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, when only the structures and the components related to the solution of the technical problems are described in the present invention, the technical features that are known to be necessary, the components and the connection relation, or can be determined by combining the drawings and the common general knowledge are not described below, but are not equal to the technical features that are not present in the technical solutions, and are not necessarily the reason for insufficient disclosure.

Referring to fig. 3, the lifting and transferring mechanism includes a bottom plate 801, a first motor 811, a first lead screw 808, a second lead screw 812, a coupling 807, a screw seat 802, a first nut seat 809, a second nut seat 803, a lifting plate 813, a first X-shaped connecting rod assembly 810 and a second X-shaped connecting rod assembly 817. Wherein the bottom plate 801 is horizontally arranged; the first lead screw 808 and the second lead screw 812 are disposed on the base plate 801 along the X axis by the screw base 802, and are connected together by the coupling 807. The first motor 811 is connected to the first lead screw 808 and can rotationally drive the first lead screw 808. A first nut holder 809 is threadedly connected to the first lead screw 808, and the first nut holder 809 can be moved along the X axis by rotating the first lead screw 808. A second nut holder 803 is screwed to the second lead screw 812, and rotation of the first lead screw 808 causes the second lead screw 812 to rotate synchronously via a coupling 807, and rotation of the second lead screw 812 causes the second nut holder 803 to move along the X-axis. Wherein the moving directions of the first nut seat 809 and the second nut seat 803 are opposite.

In the Y-axis direction, the lifting plates 813 are rotatably connected to the left and right sides of the first lead screw 808 through a first X-shaped connecting rod assembly 810, a first nut seat 809 and a screw seat 802. Specifically, the upper left corner and the upper right corner of the first X-link assembly 810 are rotatably connected to the lifting plate 813, respectively, the lower left corner of the first X-link assembly 810 is rotatably connected to the first nut block 809, and the lower right corner of the first X-link assembly 810 is rotatably connected to the screw block 802.

The lifting plate 813 is also rotatably connected to the second lead screw 812 at left and right sides in the Y-axis direction by a second X-shaped link assembly 817 and the second nut block 803 and the screw block 802, respectively. Specifically, the upper left corner and the upper right corner of the second X-shaped link assembly 817 are rotatably connected to the lift plate 813, respectively, the lower left corner of the second X-shaped link assembly 817 is rotatably connected to the screw base 802, and the lower right corner of the second X-shaped link assembly 817 is rotatably connected to the second nut base 803.

Thus, the reverse movement of the first nut seat 809 and the second nut seat 803 causes the first X-shaped link assembly 810 and the second X-shaped link assembly 817 to perform the same action, and simultaneously raise or simultaneously lower, so as to smoothly raise or lower the lifting plate 813 as a whole.

Preferably, the screw seat 802 is provided with a plurality of limiting columns 816 in the Z-axis direction to limit the lowest position of the lifting plate 813 in the descending direction. Preferably, an 8-shaped coupling 819 is further disposed at an end of the second lead screw 812 away from the first motor 811, and an encoder 818 is connected through the 8-shaped coupling 819. This enables accurate measurement and control of the linear displacement of the first nut seat 809 and the second nut seat 803 to provide accurate control of the elevation of the jacking plate 813. Preferably, one of the first X-shaped link assembly 810, the second X-shaped link assembly 817, the first nut seat 809 and the second nut seat 803 is provided with a sensing piece, and a first sensor 804 and a second sensor 805 are provided at intervals at corresponding positions along the X axis to respectively detect two different positions of the sensing piece on the X axis, where the first sensor 804 detects the sensing piece to indicate that the lifting plate 813 is lifted to a preset position, and the second sensor 805 detects the sensing piece to indicate that the lifting plate 813 is lowered to the preset position. Preferably, the guide shafts 806 are arranged on the left and right sides of the first lead screw 808 and the second lead screw 812 in the Y-axis direction, so as to improve the smoothness of the moving process of the first nut seat 809 and the second nut seat 803.

Referring to fig. 1 and 2, a material tray loading and unloading device includes a first material bin 1, a second material bin 4, a material tray lifting mechanism 2, a first translation mechanism 5, a second translation mechanism 7, a first lifting and transferring mechanism 3, and a second lifting and transferring mechanism 6. Wherein, charging tray elevating system 2 is located first feed bin 1, perhaps is connected with first feed bin 1 to the charging tray to first feed bin 1 goes up and down. In the Z-axis direction, the first lifting transfer mechanism 3 is disposed between the first bin 1 and the second bin 4. The second lifting transfer mechanism 6 is positioned between the first transfer mechanism 5 and the second transfer mechanism 7 and is used for transferring the material tray between the first transfer mechanism 5 and the second transfer mechanism 7 up and down.

The first translation mechanism 5 is connected with the first lifting and transferring mechanism 3 and the second lifting and transferring mechanism 6 to realize the horizontal transfer of the material tray between the two mechanisms.

The second translation mechanism 7 is also connected with the first lifting and transferring mechanism 3 and the second lifting and transferring mechanism 6 to form the horizontal transfer of the material tray in the direction opposite to the first translation mechanism 5.

Preferably, the first silo 1 is vertically spaced relative to the second silo 4, and the second silo 4 is located above the first silo 1. The first translation means 5 may be spaced apart from the second translation means 7. The second translation mechanism 7 is located above the first translation mechanism 5. The first lifting transfer mechanism 3 is arranged in the space between the first bin 1 and the second bin 4. The first and

second translation mechanisms

5 and 7 form two horizontal transfer paths in opposite directions between the first and second

elevation transfer mechanisms

3 and 6, respectively.

During operation, the charging and discharging device on the charging tray has two modes, namely a top-down mode which takes the second storage bin 4 as the upper storage bin and the first storage bin 1 as the recovery bin, and a bottom-up mode which takes the second storage bin 4 as the recovery bin and the first storage bin 1 as the upper storage bin. The two different modes and the working procedures are different. When the material loading and unloading device is in a top-down mode, firstly, the material discs filled with electronic materials are stacked in the second storage bins 4 and descend one by one, the first lifting and transferring mechanism 3 lifts and receives the material discs and then transfers the material discs to the second translating mechanism 7, the second translating mechanism 7 horizontally transfers the material discs to the second lifting and transferring mechanism 6, and the electronic materials in the material discs are loaded and unloaded one by one or the whole material discs at the loading and unloading stations corresponding to the second lifting and transferring mechanism 6 or the mechanism; then the second lifting transfer mechanism 6 descends the material tray and transfers the material tray to the first transfer mechanism 5; the first translation mechanism 5 further horizontally transfers the material tray to the first lifting transfer mechanism 3; the material tray lifting mechanism 2 of the first material bin 1 descends a material tray position after receiving the material tray from the first lifting transfer mechanism 3, and the material tray is recovered. For the mode from bottom to top, the second storage bin 4 is taken as a recovery bin, the first storage bin 1 is taken as an upper storage bin, the charging trays filled with electronic materials (such as chips) are firstly stacked on the charging tray lifting mechanism 2 of the first storage bin 1 and ascend one by one, and the first lifting transfer mechanism 3 is transferred to the first translation mechanism 5 after coming from the charging trays of the charging tray lifting mechanism 2; the first translation mechanism 5 horizontally transfers the material tray to the second lifting transfer mechanism 6; after the second lifting transfer mechanism 6 lifts the material tray to a corresponding height, the electronic materials in the material tray are loaded and unloaded one by one or the whole tray at one time on the second lifting transfer mechanism 6 or a loading and unloading station corresponding to the mechanism; then the material tray is transferred to a second translation mechanism 7 by a second lifting and transferring mechanism 6; the second translation mechanism 7 horizontally transfers the material tray to the first lifting transfer mechanism 3; the first lifting transfer mechanism 3 jacks the material tray to the second material bin 4, so that the material tray is recovered. Like this, unloader on charging tray has two kinds of mode can, and the function in the last feed bin of second feed bin 4, first feed bin 1 and recovery storehouse can be exchanged, automation equipment such as chip test that can the adaptation is more to switch the back, need not change the structure of device, can effectively reduce the cost of unloader on charging tray. In addition, the device realizes the connection of four mechanisms of the second storage bin 4, the second translation mechanism 7, the first translation mechanism 5 and the charging tray lifting mechanism 2 of the second storage bin 4 through the first lifting and transferring mechanism 3, and finally forms a system integrating charging tray feeding, transportation, material feeding and discharging and charging tray recovery into a whole through the second lifting and transferring mechanism 6, and the device is simple in integral structure and high in charging tray feeding, transportation and recovery efficiency.

Referring to fig. 3, the structures of the first elevation transfer mechanism 3 and the second elevation transfer mechanism 6 are the same as the elevation transfer mechanism structure described in fig. 3, and the structure of the elevation transfer mechanism can be specifically implemented in combination with the above description.

In addition, referring to fig. 4, a plurality of material blocking assemblies 814 are arranged at the bottom entrance of the second storage bin 4, and the material blocking assemblies 814 are used for buckling or holding the penultimate material tray when the second storage bin 4 transfers the material tray to the first lifting transfer mechanism 3, so that the material tray at the lowest bottom can be transferred to the lifting plate 813 of the first lifting transfer mechanism 3, or when the first lifting transfer mechanism 3 transfers the material tray to the second storage bin 4, after the lifting plate 813 of the first lifting transfer mechanism 3 enters the second storage bin 4, the material blocking assemblies 814 buckle or hold the material tray of the lifting plate 813, so that the material tray is transferred to the second storage bin 4. Preferably, the number of the material blocking assemblies 814 is 4, and two material blocking assemblies are respectively arranged at positions corresponding to a pair of edges of the material tray. The buckle of the material blocking component 814 is controlled to be opened and closed by a corresponding air cylinder. In addition, a plurality of seesaw assemblies 815 are provided below or at the bottom edge of the first elevation transfer mechanism 3. The seesaw assembly 815 is used for buckling or holding the topmost material disc when the material disc lifting mechanism 2 transfers the material disc to the first lifting transfer mechanism 3 so as to transfer the material disc to the bottom of the first lifting transfer mechanism 3, and when the first lifting transfer mechanism 3 transfers the material disc to the material disc lifting mechanism 2, the material disc conveyed by the first lifting transfer mechanism 5 is clamped by the seesaw assembly 815, and then when the material disc lifting mechanism 2 is lifted in place, the seesaw assembly 815 is opened so as to transfer the material disc to the material disc lifting mechanism 2. Preferably, there are 4 see-saw assemblies 815, two at each location corresponding to a pair of sides of the tray. The latch of the seesaw assembly 815 is opened and closed by a corresponding cylinder.

Claims

1. A lifting transfer mechanism is characterized by comprising a bottom plate, a first motor, a first lead screw, a second lead screw, a coupler, a screw seat, a first nut seat, a second nut, a jacking plate, a first X-shaped connecting rod assembly and a second X-shaped connecting rod assembly, wherein the bottom plate is horizontally arranged; the first lead screw and the second lead screw are arranged on the bottom plate along the X axis through a screw seat and are connected together through a coupler; the first motor is connected with the first lead screw and can drive the first lead screw to rotate; the first screw rod is in threaded connection with a first nut seat, and the second screw rod is in threaded connection with a second nut seat; when the first motor rotates, the moving directions of the first nut seat and the second nut seat are opposite; in the direction of the left side and the right side of the first lead screw, the jacking plate is respectively in rotatable connection with the first nut seat and the screw seat through a first X-shaped connecting rod assembly and is positioned in the direction of the left side and the right side of the second lead screw, and the jacking plate is respectively in rotatable connection with the second nut seat and the screw seat through a second X-shaped connecting rod assembly.

2. The lift transfer mechanism of claim 1, wherein the upper left corner and the upper right corner of the first X-shaped link assembly are rotatably coupled to the lift plate, respectively, the lower left corner of the first X-shaped link assembly is rotatably coupled to the first nut block, and the lower right corner of the first X-shaped link assembly is rotatably coupled to the screw block; the upper left corner and the upper right corner of the second X-shaped connecting rod assembly are respectively and rotatably connected with the jacking plate, the lower left corner of the second X-shaped connecting rod assembly is rotatably connected with the screw seat, and the lower right corner of the second X-shaped connecting rod assembly is rotatably connected with the second nut seat.

3. The lifting and transferring mechanism of claim 1 or 2, wherein the screw seat is provided with a plurality of limiting columns in the Z-axis direction.

4. The lifting and transferring mechanism as claimed in claim 1 or 2, wherein an 8-shaped coupling is further provided at an end of the second lead screw away from the first motor, and connected to an encoder through the 8-shaped coupling.

5. The lifting and transferring mechanism of claim 1 or 2, wherein one of the first X-shaped connecting rod assembly or the second X-shaped connecting rod assembly or the first nut seat or the second nut seat is provided with a sensing piece, and a first sensor and a second sensor are provided at intervals along the X-axis at corresponding positions, the first sensor is used for identifying whether the lifting plate is lifted to a preset position, and the second sensor is used for identifying whether the lifting plate is lowered to a preset position.

6. The lifting and transferring mechanism according to claim 1 or 2, wherein guide shafts are provided on both left and right sides of the first lead screw and the second lead screw in the Y-axis direction.

7. The utility model provides a unloader on charging tray which characterized in that: the automatic material loading and unloading device comprises a first material bin, a second material bin, a material tray lifting mechanism, a first translation mechanism, a second translation mechanism, a first lifting transfer mechanism and a second lifting transfer mechanism, wherein the material tray lifting mechanism is arranged in the first material bin and is used for lifting a material tray of the first material bin; the first lifting transfer mechanism is arranged between the first bin and the second bin and is used for transferring the material tray between the first bin and the first transfer mechanism and transferring the material tray between the second transfer mechanism and the second bin; the second lifting transfer mechanism is arranged between the first transfer mechanism and the second transfer mechanism and is used for transferring the material tray between the first transfer mechanism and the second transfer mechanism; the first translation mechanism and the second translation mechanism are arranged between the first lifting transfer mechanism and the second lifting transfer mechanism to form horizontal transfer of the material tray in opposite directions between the two mechanisms; the first lifting transfer mechanism and the second lifting transfer mechanism both comprise the lifting transfer mechanism of any one of claims 1 to 6.

8. The charging tray loading and unloading device according to claim 7, wherein a plurality of material blocking assemblies are arranged at the bottom entrance of the second bin, and the material blocking assemblies are used for buckling or supporting a penultimate charging tray when the second bin transfers the charging tray to the first lifting and transferring mechanism, so that the charging tray with the lowest bottom can be transferred to the lifting plate of the first lifting and transferring mechanism, or when the first lifting and transferring mechanism transfers the charging tray to the second bin, the material blocking assemblies buckle or support the charging tray of the lifting plate after the lifting plate of the first lifting and transferring mechanism enters the second bin, so that the charging tray is transferred to the second bin.

9. The charging tray loading and unloading device according to claim 7, wherein a plurality of seesaw assemblies are arranged at the lower or bottom edge of the first lifting and transferring mechanism, and the seesaw assemblies are used for buckling or holding the topmost charging tray to transfer to the bottom of the first lifting and transferring mechanism when the charging tray lifting and transferring mechanism transfers the charging tray to the first lifting and transferring mechanism, and clamping the charging tray conveyed by the first lifting and transferring mechanism through the seesaw assemblies during the process of transferring the charging tray to the charging tray lifting and transferring mechanism, and then opening the seesaw assemblies to transfer the charging tray to the charging tray lifting and transferring mechanism after the charging tray lifting and transferring mechanism is lifted to the right position.