CN115892160A

CN115892160A - PCBA turnover platform truck

Info

Publication number: CN115892160A
Application number: CN202211474537.2A
Authority: CN
Inventors: 滕传超; 殷建军; 杨梅英
Original assignee: Jiangsu Zhaoneng Electronic Co ltd
Current assignee: Jiangsu Zhaoneng Electronic Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-04

Abstract

A PCBA turnover trolley comprises a trolley, a ferris wheel type hanging basket supporting structure, at least four PCBA turnover hanging baskets, a driving motor and four travelling wheels, wherein the hanging basket supporting structure comprises two equal-diameter wheel rims, at least four radiating strips which are uniformly distributed and cross the circle centers of the wheel rims are welded on each wheel rim, and a rigid central shaft is connected with the circle centers of the two wheel rims; the PCBA turnover hanging basket is hung on the short pin of the rim, and the hanging basket is kept vertically downward due to the gravity when the rim rotates; the motor is provided with a reduction gear and a brake mechanism to move and hold the basket in place. The PCBA turnover trolley provided by the invention is additionally provided with the protection device, so that the board falling is avoided, and the economic loss is reduced; the upper part of the PCBA turnover hanging basket is of an open structure, so that the PCBA turnover hanging basket is convenient to take and the production efficiency is improved; the hanging basket is driven to rotate and be parked at a proper height by the driving structure with the brake, so that operators do not need to bend or lift, and the man-machine effect is high; the ferris wheel is matched with the hanging basket structure, so that the space utilization rate is high.

Description

PCBA turnover platform truck

Technical Field

The invention relates to the field of electronic product production, in particular to a PCBA (printed circuit board assembly) turnover trolley.

Background

In the production process of electronic products, the PCB firstly finishes part pasting in an SMT production workshop, then the PCB pasted with parts, namely the PCBA, is transported to a subsequent process production workshop, the subsequent process production workshop carries out a series of actions such as appearance inspection, other element installation, glue dispensing, baking, board dividing and the like, the PCBA needs to be transported and taken down from the turnover vehicle for multiple times and put in the turnover vehicle. In actual production, in order to improve production efficiency, PCBs of electronic products are usually spliced by a plurality of small PCB units and are called as a spliced board, in conventional production, the turnover vehicle is usually a clamping groove type turnover vehicle, a plurality of parallel clamping grooves are formed in two parallel opposite side faces, the bottom of the turnover vehicle is not shielded, PCBAs are horizontally inserted into the clamping grooves, when screws are loosened or operators make operation errors, and the distance between the left clamping groove and the right clamping groove is slightly large, the PCBAs easily fall on the ground in a walking process and are slightly small, the PCBAs are not easily inserted, inconvenience is brought to production, due to the characteristics of semiconductor parts, once the PCBAs fall on the ground, scrapping treatment is adopted to ensure quality, and economic loss is caused.

In order to solve the problems of inconvenience in taking and easiness in falling, the invention provides an improved PCBA turnover trolley.

Disclosure of Invention

The invention aims to solve the technical problem of providing a PCBA (printed circuit board assembly) turnover trolley.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a PCBA turnover trolley is characterized by comprising a trolley, a ferris wheel type hanging basket supporting structure, at least four PCBA turnover hanging baskets, a driving motor and four travelling wheels, wherein the ferris wheel type hanging basket supporting structure comprises two equal-diameter wheel rims, at least four radiating strips which are uniformly distributed and cross the circle centers of the wheel rims are welded on each wheel rim, a rigid central shaft is connected with the circle centers of the two wheel rims, the wheel rims can rotate around the central shaft, and short pins for supporting the PCBA turnover hanging baskets are uniformly distributed on the wheel rims; the PCBA turnover hanging basket is hung on the short pins of the wheel rim, and the PCBA turnover hanging basket is kept vertically downward due to the action of gravity when the wheel rim rotates; the driving motor is provided with a reduction gear and a brake mechanism and is connected to the central shaft through a transmission device, and the motor drives the wheel ring to rotate around the central shaft so as to move the PCBA hanging basket to a proper position and keep the PCBA hanging basket.

Furthermore, the PCBA turnover hanging basket is of a pentahedron structure with an opening in the upper portion and formed by welding thin stainless steel plates, the left side and the right side of the turnover hanging basket are respectively provided with a lifting lug, and a cylindrical hole is formed in the top end of each lifting lug and sleeved on a short pin of a wheel rim.

Furthermore, a layer of antistatic bakelite material is pasted in the five-surface body of the hanging basket, and a plurality of clamping grooves which are arranged in parallel are arranged on the two parallel-surface bakelite plates which are right opposite to each other in the front and back direction and are used for fixing the PCBA.

Furthermore, the cart is of a rectangular frame structure, a bottom plate is welded at the bottom of the cart, vertical support columns are arranged at four corners of the bottom plate respectively, and two transverse support rods and two longitudinal support rods are welded at the top ends of the four support columns; each transverse supporting rod is provided with a triangular supporting frame, and the top end of the triangular supporting frame is arranged at the tail end of the central shaft of the wheel disc.

Furthermore, a cart handle extends from the top end of each of the left and right support columns of the cart.

Further, the four travelling wheels are arranged at four corners below the bottom plate of the trolley and are provided with damping springs.

Further, the motor is mounted on the floor of the cart.

Further, shallow and hanging flower basket bearing structure is by stainless steel square pipe or pipe welding machine shaping.

Compared with the prior structure design, the invention has the following technical effects:

the turnover trolley PCBA provided by the invention is additionally provided with the protection device, so that the board falling is avoided, and the economic loss is reduced; the upper part of the PCBA hanging basket is of an open structure, so that the PCBA hanging basket is convenient to take and the production efficiency is improved; the hanging basket is driven to rotate and be parked at a proper height by the driving structure with the brake, so that an operator does not need to bend over or lift up, and the man-machine effect is high; the ferris wheel is matched with the hanging basket structure, so that the space utilization rate is high.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a hanging basket provided by the invention;

fig. 3 is an enlarged partial schematic view of the rim a of fig. 1.

Detailed Description

The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.

The trolley comprises a trolley 10, a ferris wheel type hanging basket supporting structure 30, at least four PCBA turnover hanging baskets 34, a driving motor 40 and four travelling wheels 50, wherein the ferris wheel type hanging basket supporting structure comprises two equal-diameter rims 31, at least four radiating strips 33 which are uniformly distributed and cross the circle centers of the rims are welded on each rim, a rigid central shaft 32 is connected with the circle centers of the two rims, the rims can rotate around the central shaft, and short pins A1 for supporting the PCBA turnover hanging baskets are uniformly arranged on the rims; the PCBA turnover hanging basket can be simply called as a hanging basket in the text and is hung on the wheel rim short pin A1, and the PCBA turnover hanging basket is always kept vertically downwards due to the action of gravity when the wheel rim rotates; the drive motor 40, which may be referred to herein simply as a motor, with reduction gearing and a braking mechanism, is connected by a transmission 41 to the central shaft about which the motor drives the wheel to rotate, moving and holding the PCBA epicyclic basket in position.

The PCBA turnover hanging basket is of a pentahedral structure which is formed by welding thin stainless steel plates and is provided with an opening at the upper part, the left side and the right side are respectively provided with a lifting lug 35, the top end of the PCBA turnover hanging basket is provided with a cylindrical hole 38 which is sleeved on a wheel rim short pin A1 and is fixed by a bolt A2; a layer of antistatic bakelite material is pasted in the five surfaces of the hanging basket, and a plurality of clamping grooves 37 which are arranged in parallel are arranged on the two parallel-surface bakelite plates which are right opposite from the front and the back for fixing the PCBA plate 36, so that the PCBA is protected around, and the PCBA can not fall off during the walking process of the turnover vehicle or the rotating process of the hanging basket.

The cart 10 is of a rectangular frame structure, a bottom plate 11 is welded at the bottom of the cart, vertical support columns 12 are respectively arranged at four corners of the bottom plate, and two transverse support rods 13 and two longitudinal support rods 14 are welded at the top ends of the four support columns; each transverse supporting rod is provided with a triangular supporting frame 20, the top end of each triangular supporting frame is arranged at the tail end of the central shaft of the wheel disc, the top ends of the left supporting column and the right supporting column of the trolley extend to form a trolley handle 15 respectively, and the trolley and the hanging basket supporting structure are formed by processing a stainless steel square tube or a circular tube through a welding machine.

Four road wheels 50 are installed at four corners under the bottom plate of the cart, and are provided with damping springs 51 to reduce vibration caused during the walking process of the turnover trolley.

The driving motor is arranged on the cart edge of the cart bottom plate, the transmission device drives the wheel rim of the turnover cart to rotate, and the driving motor is provided with a reduction gear and a brake mechanism and can stop the hanging basket at a position suitable for an operator to operate; the opening of the hanging basket faces upwards, so that operators can conveniently take and place the PCBA, and the production efficiency is improved; meanwhile, the ferris wheel is matched with the hanging basket structure, and the space utilization rate is high.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made without departing from the principles and spirit of the invention. The scope of the invention is therefore defined by the appended claims.

Claims

1. A PCBA turnover trolley is characterized by comprising a trolley, a ferris wheel type hanging basket supporting structure, at least four PCBA turnover hanging baskets, a driving motor and four travelling wheels, wherein the ferris wheel type hanging basket supporting structure comprises two equal-diameter wheel rims, at least four radiating strips which are uniformly distributed and cross the circle centers of the wheel rims are welded on each wheel rim, a rigid central shaft is connected with the circle centers of the two wheel rims, the wheel rims can rotate around the central shaft, and short pins for supporting the PCBA turnover hanging baskets are uniformly distributed on the wheel rims; the PCBA turnover hanging basket is hung on the short pins of the wheel rim, and the PCBA turnover hanging basket keeps vertically downward due to the action of gravity when the wheel rim rotates; the driving motor is provided with a reduction gear and a brake mechanism and is connected to the central shaft through a transmission device, and the motor drives the wheel ring to rotate around the central shaft so as to move the PCBA hanging basket to a proper position and keep the PCBA hanging basket.

2. The PCBA turnover trolley as claimed in claim 1, wherein the PCBA turnover basket is a pentahedral structure with an upper opening and formed by welding thin stainless steel plates, a lifting lug is arranged on each of the left side and the right side, and a cylindrical hole is formed in the top end of each lifting lug and sleeved on a wheel rim short pin.

3. A PCBA transfer trolley as claimed in claim 2, wherein the basket has a layer of antistatic bakelite adhered to the interior of five faces, and two parallel-face bakelite plates facing each other in the front and back direction and having a plurality of parallel-arranged slots for holding the PCBA plate.

4. The PCBA turnaround trolley of claim 1, wherein the trolley is a rectangular frame structure, a bottom plate is welded at the bottom, vertical support columns are respectively arranged at four corners of the bottom plate, and two transverse support rods and two longitudinal support rods are welded at the top ends of the four support columns; each transverse supporting rod is provided with a triangular supporting frame, and the top end of the triangular supporting frame is arranged at the tail end of the central shaft of the wheel disc.

5. A PCBA turnaround trolley as claimed in claim 4, wherein a respective trolley handle extends from the top of each of the left and right support columns of the trolley.

6. A PCBA epicyclic trolley according to claim 1 wherein said four road wheels are mounted at four corners below the floor of the trolley and are provided with shock absorbing springs.

7. A PCBA epicyclic trolley as in claim 1 wherein the drive motor is mounted on the floor of the cart.

8. A PCBA transfer trolley as claimed in claim 1, wherein the cart and basket support structure are formed by a stainless steel square or circular tube welder.