CN213380684U

CN213380684U - PCB flitch edge grinding device

Info

Publication number: CN213380684U
Application number: CN202022070858.9U
Authority: CN
Inventors: 张政; 胡莹; 罗飘飘; 陈丽; 胡璇
Original assignee: Shenzhen Xinke Microelectronics Technology Co ltd
Current assignee: Shenzhen Xinke Microelectronics Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-08
Anticipated expiration: 2030-09-18

Abstract

The utility model provides a PCB flitch edge grinding device. PCB flitch edge grinding device includes the base, sets up workstation on the base and set up in polishing subassembly on the workstation and snatch the subassembly, two shifting chutes have been seted up to the workstation, polishing subassembly including set up respectively in two rotating seat, two lead screws of shifting chute inner wall, cup joint in the belt pulley, rotating electrical machines, the threaded connection of lead screw four lead screw covers and the rigid coupling of lead screw in two polishing boards at lead screw cover top, it includes two support frames, erects in two slide rail on the support frame, is fixed in the cylinder of slide rail, quilt the cylinder drives gliding connecting rod on the slide rail and set firmly in the terminal tongs of connecting rod, the tongs is used for snatching fixed PCB flitch. The utility model provides a PCB flitch edge grinding device has the advantage of polishing effectually, polishing efficient and easy operation.

Description

PCB flitch edge grinding device

Technical Field

The utility model relates to a PCB board processing technology field especially relates to a PCB flitch edge grinding device.

Background

The PCB, also known as a printed circuit board, is an important electronic component, which is a support for electronic components and is a provider of electrical connection of electronic components.

In the production process of the PCB, the production process involves the steps of blanking edge grinding, drilling, outer layer pattern, gold plating, etching, inspection, silk-screen solder resist, hot air leveling, silk-screen character, appearance processing, test inspection and the like, and in the processes, burrs, dirty impurities and the like are easily formed on the board surface, and if the burrs or the dirty impurities are not removed, the subsequent processing is affected, the processing quality of the PCB is affected, so that the PCB is usually processed by means of a board grinding machine.

At present most adopt the manual work to polish and process, the artifical homogeneity of polishing that can't control, can lead to the PCB board width inconsistent after polishing, has the dust simultaneously and drops on the board or in the hole, if subsequent processing is improper, can cause harmful effects to the quality of product. Moreover, the manual polishing has low automation degree and low efficiency, is not beneficial to batch production, and increases the time cost and the labor cost.

Therefore, there is a need to provide a new edge grinding device for PCB material plates to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a PCB flitch edge grinding device who polishes effectually, polish efficient and easy operation.

The utility model provides a PCB flitch edge polishing device, which comprises a base, a workbench arranged on the base, and a polishing component and a grabbing component arranged on the workbench, wherein the workbench is provided with two moving grooves arranged along the width direction of the workbench, the two moving grooves are arranged in parallel at intervals, the polishing component comprises two rotating seats, two lead screws, a belt pulley sleeved on the lead screws, a rotating motor driving the belt pulley to rotate, four lead screw sleeves in threaded connection with the two lead screws, and two polishing plates fixedly connected to the top of the lead screw sleeves, the two lead screws are respectively arranged on the two moving grooves, one end of each lead screw is connected with the rotating seats, the other end is connected with the belt pulley, the two polishing plates are arranged along the length direction of the workbench, and the two ends of each polishing plate are respectively connected with the two lead screws through the two lead screw sleeves, the grabbing component comprises a support frame standing on the surface of the workbench, a sliding rail erected on the support frame and arranged along the direction parallel to the polishing plate, a cylinder fixed on the sliding rail, a connecting rod driven by the cylinder to slide on the sliding rail and a hand grip fixedly arranged at the tail end of the connecting rod, wherein the hand grip is used for grabbing and fixing the PCB.

Preferably, the middle part of the workbench is provided with a plurality of dust collection through holes which are uniformly distributed.

Preferably, the base is provided with a drawer, and the drawer is correspondingly arranged below the dust absorption through hole.

Preferably, the two polishing plates comprise two movable plates and two polishing plates, the two movable plates are fixedly connected with the top of the screw rod sleeve, the two polishing plates are arranged on two opposite surfaces of the two movable plates, and the polishing plates are detachably connected with the movable plates.

Preferably, each screw rod is provided with two screw rod sleeves.

Preferably, the bottom of the screw rod sleeve is provided with a ball, and the ball is contacted with the inner wall of the moving groove.

Compared with the prior art, the utility model provides a PCB flitch edge grinding device has as follows a bit:

I. by arranging the polishing plate, when the PCB flitch is polished, the PCB flitch is placed on the grabbing hand, the rotating motor works to rotate the belt pulley so as to rotate the two lead screws, and the two lead screws drive the two lead screw sleeves on each lead screw to be close to each other when rotating, so that the polishing piece on the workbench is in contact with the two side edges of the PCB flitch, and the PCB flitch edge polishing device is suitable for boards with different sizes;

II. The grabbing component can firmly grab the PCB flitch during polishing, so that the PCB flitch is prevented from jumping or rotating during polishing;

III, the dust that the in-process of polishing produced passes through the dust absorption through-hole drops and collects the inside of drawer is pulled out the clearance can be accomplished to the drawer, clearance convenient and fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:

fig. 1 is a schematic perspective view of a PCB material plate edge polishing device provided by the present invention;

FIG. 2 is a schematic view showing an internal structure of the moving bath of FIG. 1;

fig. 3 is a schematic structural view of the hand grip shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, fig. 1 is a schematic perspective view of a PCB material plate edge polishing device according to the present invention, fig. 2 is a schematic view of an internal structure of a moving slot shown in fig. 1, and fig. 3 is a schematic view of a structure of a gripper shown in fig. 1. The PCB material plate grabbing device comprises a grabbing component and a grabbing component, wherein the grabbing component is arranged on the PCB material plate, can directly grab and fix the PCB material plate, and drives the PCB material plate to repeatedly and rapidly polish back and forth, so that the polishing efficiency is greatly improved.

The utility model provides a PCB flitch edge grinding device 100, be in including base 1, setting workstation 2 on the base 1 and set up in polishing subassembly 3 on the workstation 2 with snatch subassembly 4.

The workbench 2 is provided with two moving grooves 21 arranged along the width direction of the workbench 2, and the two moving grooves 21 are arranged in parallel at intervals. Preferably, the middle part of the workbench 2 is provided with a plurality of dust suction through holes 22 which are uniformly distributed. Preferably, the base 1 is provided with a drawer 11, and the drawer 11 is correspondingly arranged below the dust suction through hole 22.

The polishing assembly 3 comprises two rotating seats 31 respectively arranged on the inner walls of the two moving grooves 21, two screw rods 32, a belt pulley 33 sleeved on the screw rod 32, a rotating motor 34 driving the belt pulley 33 to rotate, four screw rod sleeves 35 in threaded connection with the two screw rods 32 and two polishing plates 36 fixedly connected to the tops of the screw rod sleeves 35. Specifically, the two screw rods 32 are respectively installed in the two moving grooves 21, one end of each screw rod 32 is connected with the rotating seat 31, the other end of each screw rod 32 is connected with the belt pulley 33, the two polishing plates 36 are arranged along the length direction of the workbench 2, and two ends of each polishing plate 36 are respectively connected with the two screw rods 3 through the two screw rod sleeves 35. Specifically, each of the screw rods 32 is provided with two screw rod sleeves 35. The bottom of the screw housing 35 is provided with a ball 351, and the ball 351 is contacted with the inner wall of the moving groove 21.

Preferably, the two polishing plates 36 include two movable plates 361 fixedly connected to the top of the screw sleeve 35 and two polishing plates 362, the two polishing plates 362 are disposed on two surfaces of the two movable plates 361, and the polishing plates 362 are detachably connected to the movable plates 361. Such a configuration may facilitate replacement of the sanding sheet 362.

The grabbing component 4 comprises a supporting frame 41 standing on the surface of the workbench, a sliding rail 42 erected on the supporting frame 41 and arranged along the direction parallel to the grinding plate 36, an air cylinder 43 fixed on the sliding rail 42, a connecting rod 44 driven by the air cylinder 43 to slide on the sliding rail 42, and a grabbing hand 45 fixedly arranged at the tail end of the connecting rod 44, wherein the grabbing hand 45 is used for grabbing and fixing the PCB.

The hand grip 45 includes a fixing portion 451 fixed to the connecting rod 44 and an adjusting portion 452, and a return spring 453 is interposed between the fixing portion 451 and the adjusting portion 452. Such structure conveniently snatchs the not PCB flitch of equidimension s.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A PCB flitch edge polishing device is characterized by comprising a base, a workbench arranged on the base, and a polishing component and a grabbing component which are arranged on the workbench, wherein the workbench is provided with two moving grooves arranged along the width direction of the workbench, the two moving grooves are arranged in parallel at intervals, the polishing component comprises two rotating seats, two lead screws, a belt pulley sleeved on the lead screws, a rotating motor driving the belt pulley to rotate, four lead screw sleeves in threaded connection with the two lead screws, and two polishing plates fixedly connected to the tops of the lead screw sleeves, the two lead screws are respectively arranged on the two moving grooves, one end of each lead screw is connected with the rotating seats, the other end of each lead screw is connected with the belt pulley, the two polishing plates are arranged along the length direction of the workbench, the two ends of each polishing plate are respectively connected with the two lead screws through the two lead screw sleeves, the grabbing assembly comprises a support frame standing on the surface of the workbench, a sliding rail erected on the support frame and arranged along the direction parallel to the polishing plates, a cylinder fixed on the sliding rail, a connecting rod driven by the cylinder to slide on the sliding rail, and a hand grip fixedly arranged at the tail end of the connecting rod, and the hand grip is used for grabbing and fixing a PCB (printed circuit board).

2. The PCB flitch edge grinding device of claim 1, wherein a plurality of dust absorption through holes are uniformly distributed in the middle of the workbench.

3. The PCB flitch edge grinding device of claim 2, wherein the base is provided with a drawer, and the drawer is correspondingly arranged below the dust suction through hole.

4. The PCB flitch edge grinding device according to claim 1, wherein the two grinding plates comprise two movable plates fixedly connected with the top of the screw rod sleeve and two grinding pieces, the two grinding pieces are arranged on two opposite surfaces of the two movable plates, and the grinding pieces are detachably connected with the movable plates.

5. The PCB flitch edge grinding device of claim 1, wherein each lead screw is provided with two lead screw sleeves.

6. The PCB flitch edge grinding device of claim 5, wherein the bottom of the screw rod sleeve is provided with a ball, and the ball is contacted with the inner wall of the moving groove.