CN220517017U

CN220517017U - Circuit board separator

Info

Publication number: CN220517017U
Application number: CN202321896710.8U
Authority: CN
Inventors: 周彬
Original assignee: CHONGQING KEIMA ELECTROMECHANICAL CO LTD
Current assignee: CHONGQING KEIMA ELECTROMECHANICAL CO LTD
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-23
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to the technical field of circuit board processing equipment, in particular to a circuit board dividing machine which comprises a frame, a base, a driving unit and a control unit, wherein the base is fixed at the bottom of the frame, the driving unit is arranged at the top of the frame, the circuit board dividing machine further comprises an upper circular knife movably connected with the driving unit and a positioning convex strip fixedly connected with the base, V-shaped grooves on the circuit board can be completely sunken onto the cutting edges of the positioning convex strip, and a guard board is arranged at the middle part of the upper circular knife; still include conveying unit, conveying unit include the slide rail and with slide rail sliding connection's C shape slider, the slide rail extends outside the frame, and the top of C shape slider is fixed with the standing groove, and the internal diameter of standing groove is greater than the external diameter that is used for receiving the finished product basket of bar finished product, can solve among the prior art workman inconvenient bar finished product of picking up, and the cutting process has the problem of potential safety hazard.

Description

Circuit board separator

Technical Field

The utility model relates to the technical field of circuit board processing equipment, in particular to a circuit board dividing machine.

Background

The circuit board is also called a PCB, is an indispensable component in the electronic equipment in the current scientific age, the appearance of the circuit board enables a plurality of functions of the electronic product and the circuit integration, along with the increasing requirements of industrial products on appearance, the circuit board also develops towards the miniaturization direction, and the miniature circuit boards are generally manufactured and formed in a collective way, namely, are formed by splicing a plurality of miniature circuit boards (hereinafter called square finished products), so that the circuit boards can be cut by using a board dividing machine.

At present, the application of the board cutting machine for the circuit board is very wide, for example, the prior art discloses a feeding type board cutting machine for the circuit board (publication number: CN 2402457Y), which comprises a machine table, a movable knife set, a control structure and a fixed knife set, wherein transverse frames are arranged on two sides of the upper end of the machine table, tooth-shaped belt pulleys driven by a motor are arranged on the transverse frames, linear sliding rails are arranged on the lower edges of the transverse frames, the circuit board can be automatically and orderly cut, the quality of the circuit board after being broken is ensured, and the technical problems easily occur in the practical application process are as follows:

1. the square finished product after being transversely cut can form a plurality of strip-shaped finished products and drop to the rear side of the machine table, the strip-shaped finished products still need to be longitudinally cut for the second time at the moment, and on an actual production and processing line, the operating table of the bearing plate cutting machine is generally longer, workers can not conveniently pick up the strip-shaped finished products after being transversely cut after winding the operating table, if the workers pick up hands extending into a gap in the center of the machine table, production accidents are easy to occur due to carelessly starting of movable knife groups.

2. The movable knife block generally adopts a circular knife disc rotating at a high speed to cut a circuit board, and the circular knife disc rotating at a high speed is likely to fall off due to loosening of an installation part after long-time use, so that potential safety hazards of flying out of a circular knife blade can exist if most of the circular knife disc is exposed outside.

Disclosure of Invention

The utility model provides a circuit board dividing machine which can solve the problem that in the prior art, workers cannot conveniently pick up strip-shaped finished products, and potential safety hazards of flying circular blades exist in the cutting process.

The application provides the following technical scheme:

the circuit board dividing machine comprises a frame, a base, a driving unit, a control unit, an upper circular knife movably connected with the driving unit and a positioning convex strip fixedly connected with the base, wherein the V-shaped groove at the joint of the circuit board can be completely sunken onto the cutting edge of the positioning convex strip, and a guard board is arranged at the middle part of the upper circular knife; the conveying device comprises a rack, and is characterized by further comprising a conveying unit, wherein the conveying unit comprises a sliding rail and a C-shaped sliding block in sliding connection with the sliding rail, the sliding rail extends out of the rack, a placing groove is fixed at the top end of the C-shaped sliding block, and the inner diameter of the placing groove is larger than the outer diameter of a finished basket for receiving a strip-shaped finished product.

The beneficial effects are that:

1. a finished product basket can be placed in a placing groove on the C-shaped sliding block, the strip-shaped finished product after being transversely cut once falls into the finished product basket under the influence of the dead weight of the strip-shaped finished product, and the conveying unit is started after the finished product basket is fully filled with the strip-shaped finished product, so that the C-shaped sliding block slides to one side of the rack along the sliding rail, a worker can conveniently pick up the strip-shaped finished product in the finished product basket, secondary longitudinal cutting is facilitated, the worker does not need to stretch hands to a gap in the middle of the machine table to pick up, and safety production is facilitated.

2. The middle part of going up the circle sword encloses and is equipped with the backplate for go up the majority of circle sword and all be protected between the backplate, operating personnel observes the rotation condition of going up the circle sword through the part that exposes on the upper portion of circle sword, and the part that exposes on the lower part of circle sword is used for cutting the circuit board, even the circle blade disc carelessly drops, because the existence circle blade disc of backplate also can not fly out and hurt the workman, is favorable to promoting the security when workman operates the board separator.

Further, the control unit comprises a light curtain sensor arranged at the side part of the frame, a buzzer and a brake switch arranged at the top of the frame, and a reset switch, and further comprises a controller arranged in the frame, wherein the controller is electrically connected with the light curtain sensor, the buzzer, the brake switch and the reset switch respectively.

The beneficial effects are that: when cutting square finished product or bar finished product, if workman's finger blocks the light curtain, the buzzer that sets up at the frame top will report to the police and remind the workman to withdraw the hand, sets up brake switch simultaneously with emergency braking, is favorable to guaranteeing production safety, and reset switch's effect is control drive unit gyration after once cutting is accomplished, resets the circular knife.

Further, the driving unit comprises a toothed belt pulley and a gear meshed with the toothed belt pulley, and a rotating shaft and a motor are coaxially arranged on the gear.

The beneficial effects are that: the motor drives the rotating shaft and the gear fixed on the rotating shaft, the gear drives the toothed belt pulley to operate, the structure is simple and reliable, and the transverse back and forth movement of the upper circular knife is controlled.

Further, the control unit further comprises a foot switch arranged on the ground, and the foot switch is electrically connected with the controller and used for driving the toothed belt pulley to operate.

The beneficial effects are that: the foot switch is used for starting the motor to drive the toothed belt pulley to run so as to move the upper circular knife to cut square or strip-shaped finished products.

Further, the sliding rail is a right-angle sliding rail, and the C-shaped sliding block can slide to the right side of the frame.

The beneficial effects are that: the arrangement of the right-angle slide rail enables the C-shaped slide block to convey the finished product basket to a position outside the frame, which is close to the right hand of a worker, so that the strip-shaped finished product can be taken directly.

Further, the control unit further comprises a sliding switch arranged on the frame and used for controlling the sliding of the C-shaped sliding block on the sliding rail.

The beneficial effects are that: the sliding switch is specially arranged to control the sliding of the C-shaped sliding block on the sliding rail, so that the strip-shaped finished product to be subjected to secondary longitudinal cutting can be picked up in time.

Drawings

Fig. 1 is a front view of a first embodiment of a circuit board handler according to the present utility model;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a schematic view of the conveying unit in FIG. 2;

fig. 4 is a schematic structural view of a square product.

Detailed Description

The following is a further detailed description of the embodiments: the automatic feeding device comprises a frame 1, a base 2, a driving unit 3, a control unit 4, a conveying unit 5, a supporting part 21, a dividing plate part 22, a toothed belt pulley 31, a gear 32, a connecting piece 33, a driving shaft 34, a buzzer 41, a brake switch 42, a sliding switch 43, a reset switch 44, a sliding rail 51, a C-shaped sliding block 52, a placing groove 53, a finished product basket 54, a positioning convex strip 6, a square finished product 7, a V-shaped groove 71, a strip-shaped finished product 72, an upper circular knife 8 and a guard plate 9.

Example 1

Referring to fig. 1 to 4, a circuit board dividing machine includes a frame 1, a base 2, a driving unit 3, a control unit 4, and a conveying unit 5.

The base 2 is fixed in the bottom of the frame 1, the frame 1 plays a supporting role, the bottom of the base 2 is suspended, the base 2 comprises a supporting part 21 arranged at the lower part and a dividing plate part 22 fixedly connected above the supporting part 21, the dividing plate part 22 is used for placing a square finished product 7 or a strip-shaped finished product 72 by workers, one side of the dividing plate part 22, which is positioned inwards, is welded with a positioning raised line 6, the positioning raised line 6 is matched with a V-shaped groove 71 at the joint between each small circuit board on the square finished product 7 or the strip-shaped finished product 72, an upper circular knife 8 is arranged above the positioning raised line 6, and a guard plate 9 is arranged around the middle part of the upper circular knife 8.

The driving unit 3 is installed at the top of the frame 1, the driving unit 3 comprises a toothed belt pulley 31 and gears 32 meshed with two ends of the toothed belt pulley 31, a rotating shaft and a motor are coaxially arranged on the gears 32, the lower part of the toothed belt pulley 31 is movably connected with the upper circular knife 8 through a U-shaped connecting piece 33, specifically, the upper part of the connecting piece 33 is buckled on the toothed belt 31 and meshed and fixed with the toothed belt pulley 31, the lower part of the connecting piece 33 is rotatably connected with a driving shaft 34 used for driving the upper circular knife 8 to rotate, and the motor and the driving shaft 34 are coaxially arranged to control the high-speed rotation of the upper circular knife 8, and it is worth mentioning that a guard plate 9 enclosed on the upper circular knife 8 is fixedly connected with the lower part of the connecting piece 33 through bolts.

The conveying unit 5 comprises a sliding rail 51 and a C-shaped sliding block 52 which is in sliding connection with the sliding rail 51, the sliding rail 51 adopts an electric sliding rail, a motor is a power source of the sliding rail 51, a placing groove 53 is fixed at the top end of the C-shaped sliding block 52, a finished product basket 54 made of plastic materials is placed in the placing groove 53 in a separable mode and is used for receiving a strip-shaped finished product 72 or a single circuit board after cutting is finished, the inner diameter of the placing groove 53 is larger than the outer diameter of the finished product basket 54 so that the finished product basket 54 can be smoothly placed, the sliding rail 51 extends out of the machine frame 1, the C-shaped sliding block 52 can drive the finished product basket 54 to slide to the right side of the machine frame 1, and workers can conveniently pick up the strip-shaped finished product 72 or the single circuit board in the finished product basket 54 in time.

The control unit 4 comprises a light curtain sensor arranged on the right side of the frame 1, a buzzer 41, a brake switch 42 and a sliding switch 43 which are arranged on the top of the frame 1, a reset switch 44, and a PLC controller arranged in the frame 1, wherein the PLC controller is respectively electrically connected with the light curtain sensor, the buzzer 41, the brake switch 42, the reset switch 44 and the sliding switch 43 and a motor for driving, the control unit 4 further comprises a foot switch arranged on the ground, the foot switch is electrically connected with the PLC controller and used for driving the toothed belt pulley 31 to operate, and the sliding switch 43 is used for controlling the starting of the conveying unit 5.

In the practical application process, the operator firstly places the square finished product 7 on the dividing plate part 22, at this moment, the positioning convex rib is blocked into the V-shaped groove 71 of the square finished product 7 from the bottom when needing to pay attention to placement, at this moment, the strip-shaped finished product 72 at the innermost end on the square finished product 7 is suspended, at this moment, the foot switch is restarted, the upper circular knife 8 rotating at high speed slides rightwards to cut out the strip-shaped finished product 72, it is worth mentioning that the operator needs to press one end of the square finished product 7 outside by hands in the cutting process, if the operator shields the light curtain too far inwards by the arm, the light curtain sensor alarms through the PLC control buzzer 41 to alert the operator, so as to alert the operator to pay attention to the dead weight of the cut-shaped finished product 72, then the reset switch 44 is started to reset the upper circular knife 8 to continue cutting next time, when the strip-shaped finished product 72 in the finished product basket 54 is fully collected, the slide switch 43 is started, the C-shaped slide block 52 is driven by the finished product basket 54 to slide to the right side of the rack 1, the operator conveniently changes the lower finished product basket 54 to reset the second time, and the whole cutting process of the strip-shaped basket 72 falls into the blank circuit board 54 again, and the whole process is completed.

Embodiment two:

the difference between the first embodiment and the second embodiment is that the sliding rail 51 is a right-angle sliding rail, the sliding rail 51 is an electric sliding rail, the motor is a power source of the sliding rail 51, the C-shaped sliding block 52 can turn to slide to one side of the right side of the frame 1 close to the right hand of the operator after sliding out of the right side of the frame 1, the finished basket 54 can be directly picked up by the operator without moving the position, and the operation process is simpler and more efficient.

The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a circuit board separator, includes frame, base, drive unit, control unit, and the base is fixed in the frame bottom, and drive unit installs at the frame top, its characterized in that: the circuit board comprises a base, a driving unit, an upper circular knife and a positioning convex strip, wherein the driving unit is movably connected with the upper circular knife, the positioning convex strip is fixedly connected with the base, the V-shaped groove at the joint of the circuit board can be completely sunken onto the cutting edge of the positioning convex strip, and a guard plate is arranged at the middle part of the upper circular knife in a surrounding manner;

the conveying device comprises a rack, and is characterized by further comprising a conveying unit, wherein the conveying unit comprises a sliding rail and a C-shaped sliding block in sliding connection with the sliding rail, the sliding rail extends out of the rack, a placing groove is fixed at the top end of the C-shaped sliding block, and the inner diameter of the placing groove is larger than the outer diameter of a finished basket for receiving a strip-shaped finished product.

2. A circuit board separator according to claim 1, characterized in that: the control unit comprises a light curtain sensor arranged at the side part of the frame, a buzzer and a brake switch arranged at the top of the frame, a reset switch and a controller arranged in the frame, wherein the controller is electrically connected with the light curtain sensor, the buzzer, the brake switch and the reset switch respectively.

3. A circuit board separator according to claim 2, characterized in that: the driving unit comprises a toothed belt pulley and a gear meshed with the toothed belt pulley, and a rotating shaft and a motor are coaxially arranged on the gear.

4. A circuit board separator according to claim 3, characterized in that: the control unit also comprises a foot switch arranged on the ground, and the foot switch is electrically connected with the controller and used for driving the toothed belt pulley to operate.

5. A circuit board separator according to claim 4, wherein: the sliding rail is a right-angle sliding rail, and the C-shaped sliding block can slide to one side of the frame.

6. A circuit board separator according to claim 4 or 5, characterized in that: the control unit also comprises a sliding switch arranged on the frame and used for controlling the sliding of the C-shaped sliding block on the sliding rail.