CN113618570B

CN113618570B - PCB deburring machine

Info

Publication number: CN113618570B
Application number: CN202110888736.7A
Authority: CN
Inventors: 董威; 王爱林; 廖启军
Original assignee: Jinlu Electronic Technology Co ltd
Current assignee: Jinlu Electronic Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-11-22
Anticipated expiration: 2041-08-02
Also published as: CN113618570A

Abstract

The invention discloses a PCB deburring machine, which comprises a processing table, a driving motor arranged at the bottom, a positioning plate arranged above and a fixing plate used for fixing a PCB at the top, wherein the processing table comprises: a support column mounted at the bottom; a limit groove is arranged in the middle of the processing table; the edge is provided with a waste material groove; the positioning shafts are arranged on the outer side of the waste chute, and the supporting plate is arranged between the positioning shafts. According to the PCB deburring machine, the rotating shaft and the positioning rolling shaft are driven to rotate through the driving motor to drive the grinding abrasive belt to move, the PCB is attached to the grinding abrasive belt and is tightly pressed on the supporting plate for grinding, the grinding surface is ensured to be flat, and scraps generated in the grinding process fall down along the scrap groove, so that the phenomenon that the scraps are accumulated on a processing table to influence subsequent processing is avoided; provide suction through the vacuum pump, adsorb the panel of required processing and fix on the fixed plate, drive the locating lever through electric putter and slide along the spacing groove for each limit of PCB board is polished the burring with the abrasive band contact of polishing in proper order, improves machining efficiency.

Description

PCB board burr-grinding machine

Technical Field

The invention relates to the technical field of PCB processing equipment, in particular to a PCB deburring machine.

Background

The PCB is a printed circuit board, also called printed circuit board, which is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. Because it is fabricated using electronic printing, it is known as a "printed" circuit board, which is one of the important components of the electronics industry. Almost every kind of electronic equipment, as small as electronic watches, calculators, as large as computers, communication electronics, military weaponry systems, has electronic components such as integrated circuits, and printed boards are used to electrically interconnect the various components. The printed circuit board consists of an insulating bottom plate, a connecting lead and a welding disc for assembling and welding electronic elements, and has double functions of a conductive circuit and the insulating bottom plate. The circuit can replace complex wiring, realizes electrical connection among elements in the circuit, simplifies the assembly and welding work of electronic products, reduces the wiring workload in the traditional mode, and greatly lightens the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole product are facilitated. At present, printed circuit boards are widely used in the production and manufacture of electronic products, and in the processing process of the PCB, the edge of the PCB needs to be deburred.

The existing PCB deburring machine can only process one edge independently in the using process, after the edge is processed, the PCB needs to be manually turned over, the next edge is processed, the efficiency is low, the labor and the time are wasted, and the processing angle of the PCB with an irregular shape is inconvenient to adjust when the PCB with the irregular shape is processed.

Disclosure of Invention

The invention aims to provide a PCB deburring machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PCB board burr-grinding machine, includes the locating plate of the driving motor of processing platform, bottom installation, top installation to and the fixed plate that the top is used for fixed PCB board, the processing platform includes:

a support column mounted at the bottom;

a limit groove is arranged in the middle of the processing table;

the edge is provided with a waste material groove;

a positioning shaft mounted outside the scrap chute, and

a support plate is arranged between the positioning shafts.

Further, the support column symmetry is provided with four and constitutes fixed knot with the processing platform through welded connection and constructs, the spacing groove is cruciform structure, the location axle passes through welded connection with the processing platform and constitutes fixed knot and constructs, the smooth fixed knot that constitutes through welded connection with the processing platform in backup pad surface constructs.

Further, the driving motor includes:

the output end is connected with the rotating shaft;

the rotating shaft and the positioning rolling shaft are arranged on the positioning shaft;

a grinding abrasive belt is arranged on the positioning rolling shaft;

a positioning ring mounted below the working table, and

an electric push rod is arranged in the positioning ring.

Furthermore, the driving motor and the processing table are connected through welding to form a fixed structure, the driving motor drives the rotating shaft and the positioning roller to form a rotating structure, the positioning roller and the positioning shaft are connected to form a rotating structure, and the polishing abrasive belt is tensioned on the positioning roller to form a fixed structure.

Furthermore, the holding ring and the processing platform form a fixed structure through welded connection, the electric push rod is connected with the processing platform through the holding ring to form a fixed structure, the electric push rod is symmetrically provided with four electric push rods, the electric push rod and the limiting groove are located on the same axis, and the electric push rod drives the positioning rod and the positioning plate to form a sliding structure along the limiting groove.

Further, the locating plate includes:

the bottom of the connecting shaft is provided with a connecting shaft, and the outer side of the connecting shaft is provided with an elastic latch;

a connecting ring is arranged below the connecting shaft, and a positioning clamping groove is formed in the inner side of the connecting ring;

the bottom of the connecting ring is provided with an annular clamping groove;

a positioning rod connected below the connecting ring;

an air guide hose is connected above the positioning plate;

a spiral duct connected to the bottom of the positioning rod, an

The tail end of the spiral conduit is connected with a vacuum pump.

Furthermore, the locating plate and the connecting shaft are connected through welding to form a fixed structure, the connecting shaft and the connecting ring are connected through an annular clamping groove in a clamping mode to form a rotating structure, the number of the elastic clamping teeth is eight, and the connecting shaft is connected with the locating clamping groove through the elastic clamping teeth in a clamping mode to form the fixed structure.

Furthermore, the vacuum pump and the support column are connected through welding to form a fixing structure, and the vacuum pump is connected with the air guide hose and the fixing plate through the spiral conduit and the positioning rod.

Further, the fixing plate includes:

the top is provided with an air suction port;

the inner part is provided with a gas guide groove;

the connecting frame is arranged at the bottom;

positioning pins mounted on the connecting frame, an

And the telescopic rod is connected with the positioning plate.

Furthermore, the induction port symmetry is provided with two, air guide groove and air guide hose intercommunication, the link passes through welded connection with the fixed plate and constitutes fixed knot structure, the telescopic link passes through the locating pin with the link and is connected and constitutes revolution mechanic, and telescopic link and locating plate pass through welded connection and constitute fixed knot structure, four are installed to the telescopic link symmetry.

Compared with the prior art, the invention has the beneficial effects that:

the rotating shaft and the positioning rolling shaft are driven to rotate through the driving motor to drive the polishing abrasive belt to move, the PCB is attached to the polishing abrasive belt and is tightly pressed on the supporting plate for polishing, the polishing surface is guaranteed to be smooth, and scraps generated in the polishing process fall down along the waste material groove, so that the scraps are prevented from being accumulated on a processing table to influence subsequent processing;

the vacuum pump provides suction force, the plate to be processed is fixed on the fixing plate in an adsorption mode, operation is convenient, the edge of the plate exceeds the fixing plate, the electric push rod drives the positioning rod to slide along the limiting groove, each edge of the PCB is sequentially in contact with the polishing abrasive belt to polish and remove burrs, and processing efficiency is improved;

the fixing device is provided with a connecting ring, and when each side of a non-rectangular irregular-shaped PCB is polished, the fixing device is fixed by clamping the elastic clamping teeth and the positioning clamping grooves after the fixing plate rotates along the connecting ring, so that the deviation in the polishing process is prevented;

be provided with the telescopic link, through adjusting the length of four telescopic links for fixed plate and the PCB board of fixing on it slope, be convenient for carry out polishing of different angles to the panel edge, guarantee that the burr is got rid of completely.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the processing table of the present invention;

FIG. 3 is a schematic top view of a fixing plate according to the present invention;

FIG. 4 is a schematic view of a positioning rod according to the present invention;

FIG. 5 is a cross-sectional view of an attachment ring according to the present invention;

FIG. 6 is a schematic view of the telescopic rod of the present invention.

In the figure: 1. a processing table; 110. a support pillar; 120. a limiting groove; 130. a waste chute; 140. positioning the shaft; 150. a support plate; 2. a drive motor; 210. a rotating shaft; 220. positioning a roller; 230. sanding an abrasive belt; 240. a positioning ring; 250. an electric push rod; 3. positioning a plate; 310. a connecting shaft; 311. elastic latch; 320. a connecting ring; 321. positioning a clamping groove; 330. an annular neck; 340. positioning a rod; 350. an air guide hose; 360. a helical conduit; 370. a vacuum pump; 4. a fixing plate; 410. an air suction port; 420. a gas guide groove; 430. a connecting frame; 440. positioning pins; 450. a telescopic rod.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a PCB board burr-grinding machine, includes processing platform 1, the driving motor 2 of bottom installation, the locating plate 3 of top installation to and the top is used for the fixed plate 4 of fixed PCB board, processing platform 1 includes: a bottom mounted support post 110; a limiting groove 120 is formed in the middle of the processing table 1; the edge is provided with a waste material groove 130; the positioning shafts 140 arranged on the outer side of the waste material groove 130 and the supporting plates 150 arranged between the positioning shafts 140, so that scraps generated in the polishing process fall down along the waste material groove 130, and the phenomenon that the scraps are accumulated on the processing table 1 to influence subsequent processing is avoided.

Support column 110 symmetry is provided with four and constitutes fixed knot through welded connection with processing platform 1, and spacing groove 120 is the cruciform structure, and location axle 140 constitutes fixed knot through welded connection with processing platform 1 and constructs, and backup pad 150 surface is smooth to constitute fixed knot with processing platform 1 through welded connection, and PCB board laminating sanding belt 230 and compress tightly and polish on backup pad 150, guarantee that the face of polishing levels.

The drive motor 2 includes: the output end is connected with the rotating shaft 210; a positioning roller 220 mounted on the rotating shaft 210 and the positioning shaft 140; a sanding belt 230 mounted on the positioning roller 220; a positioning ring 240 installed below the processing table 1, and a power push rod 250 installed in the positioning ring 240.

The driving motor 2 and the processing table 1 are connected by welding to form a fixed structure, the driving motor 2 drives the rotating shaft 210 and the positioning roller 220 to form a rotating structure, the positioning roller 220 and the positioning shaft 140 are connected to form a rotating structure, and the sanding belt 230 is tensioned on the positioning roller 220 to form a fixed structure.

The positioning ring 240 and the processing table 1 are connected through welding to form a fixing structure, the electric push rod 250 is connected with the processing table 1 through the positioning ring 240 to form a fixing structure, the electric push rod 250 is symmetrically provided with four parts, the electric push rod 250 and the limiting groove 120 are located on the same axis, the electric push rod 250 drives the positioning rod 340 and the positioning plate 3 to form a sliding structure along the limiting groove 120, so that each edge of the PCB is sequentially contacted with the polishing abrasive belt 230 to polish and deburr, and the processing efficiency is improved.

The positioning plate 3 includes: the bottom of the connecting shaft 310 is provided with an elastic latch 311; a connecting ring 320 is arranged below the connecting shaft 310, and a positioning clamping groove 321 is formed in the inner side of the connecting ring 320; an annular clamping groove 330 is formed at the bottom of the connecting ring 320; a positioning rod 340 connected below the connecting ring 320; an air guide hose 350 connected above the positioning plate 3; a spiral conduit 360 connected to the bottom of the positioning rod 340, and a vacuum pump 370 connected to the end of the spiral conduit 360.

The locating plate 3 and the connecting shaft 310 form a fixed structure through welded connection, the connecting shaft 310 and the connecting ring 320 form a rotating structure through the clamping connection of the annular clamping groove 330, the elastic clamping teeth 311 are symmetrically provided with eight, the connecting shaft 310 forms a fixed structure through the clamping connection of the elastic clamping teeth 311 and the locating clamping groove 321, for the non-rectangular PCB in irregular shapes, when polishing each side of the PCB, the fixing plate 4 is fixed through the clamping connection of the elastic clamping teeth 311 and the locating clamping groove 321 after rotating along the connecting ring 320, and the deviation is prevented from occurring in the polishing process.

The vacuum pump 370 and the support column 110 are connected by welding to form a fixed structure, and the vacuum pump 370 is connected to the air guide hose 350 and the fixing plate 4 through the spiral conduit 360 and the positioning rod 340.

The fixing plate 4 includes: an air suction port 410 arranged at the top; an air guide groove 420 is arranged inside; a bottom mounted link 430; a positioning pin 440 arranged on the connecting frame 430, and an expansion rod 450 connected with the positioning plate 3.

The symmetry of induction port 410 is provided with two, air guide groove 420 and air guide hose 350 communicate, link 430 constitutes fixed knot through welded connection with fixed plate 4 and constructs the fixed knot and construct, telescopic link 450 is connected through locating pin 440 with link 430 and is constituted revolution mechanic, and telescopic link 450 passes through welded connection with locating plate 3 and constitutes fixed knot and construct, four are installed to telescopic link 450 symmetry, length through adjusting four telescopic link 450, make fixed plate 4 and the PCB board of last fixed incline, be convenient for carry out polishing of different angles to the panel edge, guarantee that the burr gets rid of completely.

When the telescopic deburring device is used, firstly, a PCB to be machined is moved onto a fixed plate 4 through an automatic mechanical arm or manually, the edge of the plate exceeds the fixed plate 4 and is placed at the central position as far as possible, a vacuum pump 370 is started, the air guide hose 350 is connected through a spiral conduit 360 through a positioning rod 340, an air guide groove 420 is communicated with the air guide hose 350, an air suction port 410 generates suction to adsorb and fix the PCB on the fixed plate 4, when deburring machining is performed, each driving motor 2 is started to drive a rotating shaft 210 and a positioning roller 220 to rotate, a polishing abrasive belt 230 is driven to move, an electric push rod 250 drives the positioning rod 340 and a positioning plate 3 to slide along a limiting groove 120, so that each edge of the PCB is sequentially contacted with the polishing abrasive belt 230 for polishing and deburring, the PCB is attached to the polishing abrasive belt 230 and tightly pressed on a supporting plate 150 for polishing, the polishing surface is ensured to be flat, chips generated in the polishing process fall down along a waste trough 130, subsequent machining on a non-rectangular PCB is prevented from being accumulated on a table 1 to influence on subsequent machining, when each edge of a non-rectangular PCB, the PCB is polished, the fixed length of the fixed plate 4 is ensured, and the telescopic rod can be adjusted, and the telescopic rod can be convenient for removing the four fixed plate 4 in the polishing process.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a PCB board burr-grinding machine, includes processing platform (1), driving motor (2) of bottom installation, locating plate (3) of top installation to and fixed plate (4) that the top is used for fixed PCB board, its characterized in that: the processing table (1) comprises supporting columns (110) installed at the bottom, four fixing structures are symmetrically arranged on each supporting column (110) and connected with the processing table (1) through welding, a limiting groove (120) is formed in the middle of the processing table (1), each limiting groove (120) is of a cross structure, a waste material groove (130) is formed in the edge of each limiting groove, a positioning shaft (140) is installed on the outer side of each waste material groove (130), each positioning shaft (140) is connected with the processing table (1) through welding to form a fixing structure, a supporting plate (150) is installed between the positioning shafts (140), and the supporting plate (150) is smooth in surface and connected with the processing table (1) through welding to form a fixing structure; the driving motor (2) comprises a rotating shaft (210) with an output end connected and mounted, a positioning roller (220) mounted on the rotating shaft (210) and the positioning shaft (140), a polishing abrasive belt (230) mounted on the positioning roller (220), a positioning ring (240) mounted below the processing table (1), and an electric push rod (250) mounted in the positioning ring (240).

2. The PCB deburring machine of claim 1, wherein: the grinding machine is characterized in that the driving motor (2) and the processing table (1) are connected through welding to form a fixing structure, the driving motor (2) drives the rotating shaft (210) and the positioning roller (220) to form a rotating structure, the positioning roller (220) and the positioning shaft (140) are connected to form the rotating structure, and the grinding abrasive belt (230) is tensioned on the positioning roller (220) to form the fixing structure.

3. The PCB deburring machine of claim 1, wherein: holding ring (240) and processing platform (1) constitute fixed knot through welded connection and construct, electric putter (250) are connected through holding ring (240) and processing platform (1) and are constituted fixed knot and construct, and electric putter (250) symmetry is provided with four, electric putter (250) are located same axis with spacing groove (120), electric putter (250) drive locating lever (340) and locating plate (3) constitute sliding construction along spacing groove (120).

4. The PCB deburring machine of claim 1, wherein: the positioning plate (3) comprises:

the bottom of the connecting shaft (310) is provided with an elastic latch (311);

a connecting ring (320) is arranged below the connecting shaft (310), and a positioning clamping groove (321) is formed in the inner side of the connecting ring (320);

the bottom of the connecting ring (320) is provided with an annular clamping groove (330);

a positioning rod (340) connected below the connecting ring (320);

an air guide hose (350) connected above the positioning plate (3);

a spiral conduit (360) connected to the bottom of the positioning rod (340), an

And the tail end of the spiral conduit (360) is connected with a vacuum pump (370).

5. The PCB deburring machine of claim 4, wherein: locating plate (3) and connecting axle (310) constitute fixed knot through welded connection and construct fixed knot, connecting axle (310) are connected through ring groove (330) block with go-between (320) and are constituted revolution mechanic, elasticity latch (311) symmetry is provided with eight, connecting axle (310) are connected through elasticity latch (311) and locating slot (321) block and are constituted fixed knot and construct.

6. The PCB deburring machine of claim 4, wherein: the vacuum pump (370) and the support column (110) are connected through welding to form a fixing structure, and the vacuum pump (370) is connected with the air guide hose (350) and the fixing plate (4) through the spiral guide pipe (360) and the positioning rod (340).

7. The PCB deburring machine of claim 1, wherein: the fixing plate (4) comprises:

an air suction port (410) arranged at the top;

an air guide groove (420) is arranged inside the air guide groove;

a bottom mounted link (430);

a positioning pin (440) mounted on the connecting frame (430), an

And the telescopic rod (450) is connected with the positioning plate (3).

8. The PCB deburring machine of claim 7, wherein: the utility model discloses a portable air suction device, including induction port (410), air guide groove (420), air guide hose (350), link (430) and fixed plate (4) constitute fixed knot structure through welded connection, telescopic link (450) are connected through locating pin (440) with link (430) and are constituted revolution mechanic, and telescopic link (450) and locating plate (3) constitute fixed knot structure through welded connection, four are installed to telescopic link (450) symmetry.