CN207564613U - Presses for circuit board cutting - Google Patents

Abstract

The utility model discloses a press for circuit board cutting has solved and has treated the steady placing on the mould of blanking work piece for guaranteeing, and the operation workman needs both hands to support and treats the blanking work piece, and at this moment, the operation workman is difficult to the braking of nimble open inclinable press of control, the relatively poor problem of flexibility of its use, and its technical scheme main points are: the stamping device comprises a rack, a die and a stamping head which is in driving connection with a motor through a clutch, wherein the rack is fixedly connected with a trigger button which is electrically connected with a brake, and the stamping head is fixedly connected with a limiting plate which can be contacted with the trigger button; the lower end of the rack is rotatably connected with the pedal, and the rack is provided with a driving connecting rod, two ends of the driving connecting rod are respectively in driving connection with the clutch and the pedal, so that the press machine has the effects of enabling an operator to flexibly control the starting of the press machine and improving the use flexibility of the press machine.

Description

Presses for circuit board cutting

technical field

The utility model relates to the technical field of presses, in particular to a press used for circuit board cutting.

Background technique

At present, the commonly used presses include open tilting presses. The frame of the open tilting press is a tilting casting structure, which is convenient for stamping parts or waste materials to slide down from the mold when tilting. Rigid rotary key clutch with single and continuous operating specifications. The band brake is used, and the slider is equipped with a collapsed safety device, which will be collapsed when overloaded, so as to ensure that the whole machine is not damaged.

Now retrieved the Chinese patent announcement number is CN205289402U, this scheme discloses a kind of open type tilting press machine, comprises frame, is provided with crank slider unit on the frame, crank slider unit includes crank rod, brake, clutch, connecting Rod, slider, punch and die, the punch is provided with a concave recess on the side facing the die, at least one recess is provided, and the end of the punch facing the die is used for collision The beveled edge of the workpiece.

In the open tilting press mentioned in the above documents, when the punch is punched, the inclined blade has a certain shearing effect on the workpiece, which reduces the noise generated when it collides with the workpiece; however, in the process of punching, the punching Cutting workpieces generally contain multiple unit workpieces, which require multiple punching to obtain independent unit workpieces, such as: punching of circuit boards. In order to ensure that the workpieces to be punched are placed on the mold smoothly, the operator needs to support them with both hands. Blanking the workpiece, at this time, it is difficult for the operator to flexibly control the start of the open tilting press, and the flexibility of its use is poor.

Utility model content

The purpose of the utility model is to provide a press for circuit board cutting, which has the effect of enabling the operator to flexibly control the braking of the press and improving the flexibility of the use of the press.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a press for cutting circuit boards, including a frame, a mold and a stamping head connected to a motor through a clutch, and the frame is fixedly connected with a brake The trigger button is electrically connected, and the stamping head is fixedly connected with a limit plate that can touch the trigger button; the lower end of the frame is rotatably connected with a pedal, and the frame is provided with a driving link that is connected to the clutch and the pedal at both ends.

By adopting the above technical scheme, using the limit plate to touch the trigger button, the stamping head is paused for a while, which is convenient for adjusting the position of the workpiece to be punched; using the pedal, the operator can flexibly control the start of the press, improving The flexibility of the press is improved.

The utility model is further configured as follows: the driving connecting rod includes a driving rod, a driven rod and a cross bar, the end of the driving rod is connected to the pedal in rotation, the end of the driven rod is connected to the clutch for driving; the cross rod is connected to the frame in rotation, And the two ends of the cross bar are respectively rotatably connected with the ends of the driving rod and the driven rod.

By adopting the above technical solution, when the pedal is stepped on, the rotation of the pedal drives the movement of the active lever, and the movement of the active lever drives the rotation of the cross bar, so that the driven lever moves to control the opening and closing of the clutch.

The utility model is further configured as follows: the active rod includes a first connecting rod, a second connecting rod and a connecting block, and both the first connecting rod and the second connecting rod are inserted into the connecting block.

By adopting the above technical solution, the length of the active rod is facilitated to be adjusted by using the connecting block to be socketed with the first connecting rod and the second connecting rod, thereby facilitating the adjustment of the tightness of pedaling.

The utility model is further configured as follows: the stamping head is provided with a moving cavity, the limit plate is inserted into the moving cavity and protrudes from the rear end, and the moving cavity is provided with springs at both ends that are fixedly connected to the limit plate and the inner wall of the moving cavity.

By adopting the above technical solution and using the spring, the collision strength between the limit plate and the trigger button is reduced, and the service life of the trigger button is improved.

The utility model is further configured as follows: the frame is symmetrically provided with two trigger buttons, and at least two springs are symmetrically provided in the moving cavity.

By adopting the above technical solution and using two symmetrically arranged trigger buttons, it is prevented that the limit plate tilts to affect the braking of the stamping head, and the reliability of the use of the limit plate is improved.

The utility model is further configured as follows: the frame is provided with a workbench for placing the mould, the workbench is provided with a slide rail, and the slide rail is movably connected with a pressing block for pressing the mould.

By adopting the above technical scheme, it is convenient to press the mold tightly by using the pressing block; and it is convenient to replace or maintain the mold by using the slide rail.

The utility model is further configured as follows: the frame is provided with a groove for storing workpieces, and the bottom surface of the groove is inclined downward and faces away from the mould.

By adopting the above technical scheme, the grooves are used to facilitate the collection of the punched workpieces; the inclined bottom surface is used to slide the punched workpieces into the grooves, so that the punched workpieces slide down to the bottom surface under the action of their own gravity. The low end prevents the punched workpiece from accumulating at the groove port and affecting the entry of the subsequent punched workpiece.

The utility model is further configured as: the inner wall of the groove is fitted with an anti-collision pad.

By adopting the above technical solution and using the anti-collision pad, the collision strength between the punched workpiece and the inner wall of the groove is reduced, and the damage of the punched workpiece due to high collision strength is reduced.

To sum up, the utility model has the following beneficial effects: the use of the limit plate to touch the trigger button makes the stamping head pause for a while, which is convenient for adjusting the position of the workpiece to be punched; the use of the pedal allows the operator to flexibly Control the start of the press; use the connecting block to connect with the first connecting rod and the second connecting rod to facilitate the adjustment of the tightness of the pedal pedal; use the spring to reduce the collision strength between the limit plate and the trigger button; use the slide rail to facilitate Replace or maintain the mold; use the anti-collision pad to reduce the collision strength between the blanked workpiece and the inner wall of the groove.

Description of drawings

Fig. 1 is the overall structure schematic diagram in the embodiment;

Fig. 2 is the local schematic diagram after punching head is cut in the embodiment;

Fig. 3 is a schematic diagram of the structure of the groove in the embodiment.

In the figure: 1, frame; 2, pedal; 21, driving connecting rod; 22, clutch; 23, driven rod; 24, cross bar; 25, driving rod; 26, first connecting rod; 27, connecting block; 28. Second connecting rod; 3. Trigger button; 31. Punch head; 32. Limiting plate; 33. Moving chamber; 34. Spring; 4. Working table; 41. Mold; 42. Pillar; 43. Limiting column ; 44, slide rail; 45, briquetting block; 5, groove; 51, crash pad; 52, material intake.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment: the press machine that is used for circuit board cutting, as shown in Figure 1 and Figure 2, comprises frame 1, the mold 41 that is placed on the workbench 4 and the stamping head 31 that is connected with motor drive by clutch 22, this implementation An open tilting press is used in the example. The front end of the frame 1 is fixedly connected with a trigger button 3 electrically connected to the brake, and the punching head 31 is fixedly connected with a limit plate 32 arranged horizontally; touching. A pedal 2 is rotatably connected to the bottom of the front end of the frame 1 , and the frame 1 is provided with a driving link 21 that is connected to the clutch 22 and the pedal 2 at both ends. Use the limit plate 32 to touch the trigger button 3, so that the stamping head 31 pauses once punching, which is convenient for adjusting the position of the workpiece to be punched; using the pedal 2, the operator can flexibly control the start of the press, increasing the pressure. machine flexibility.

The driving link 21 includes a driven rod 23, a cross bar 24 and a driving rod 25 arranged in sequence from top to bottom, the end of the driving rod 25 is connected to the pedal 2 in rotation, and the end of the driven rod 23 is drivingly connected to the clutch 22; 24 is rotatably connected with the side of the frame 1, and the two ends of the cross bar 24 are rotatably connected with the active rod 25 and the driven rod 23 ends respectively. When stepping on the pedal 2, the rotation of the pedal 2 drives the active lever 25 to move, and the movement of the active lever 25 drives the cross bar 24 to rotate, so that the driven lever 23 moves to control the opening and closing of the clutch 22.

The active rod 25 includes a first connecting rod 26 , a second connecting rod 28 and a connecting block 27 , and both the first connecting rod 26 and the second connecting rod 28 are inserted into the connecting block 27 . After the first connecting rod 26 and the second connecting rod 28 are plugged into the connecting block 27 and fixed by bolts, it is convenient to adjust the length of the active rod 25, thereby facilitating the adjustment of the tightness of the pedal 2.

The stamping head 31 is provided with a horizontally arranged moving cavity 33, the limit plate 32 is inserted into the rear end of the moving cavity 33 and protrudes, and the moving cavity 33 is provided with springs whose two ends are respectively fixedly connected with the limit plate 32 and the inner wall of the moving cavity 33 34. The spring 34 is used to reduce the collision strength between the limit plate 32 and the trigger button 3 and improve the service life of the trigger button 3 .

The frame 1 is symmetrically provided with two trigger buttons 3 , and at least two springs 34 are symmetrically provided in the moving chamber 33 , and two springs 34 are used in this embodiment. The use of the two trigger buttons 3 arranged symmetrically prevents the limiting plate 32 from tilting and affecting the braking of the stamping head 31 , and improves the reliability of the limiting plate 32 in use.

As shown in FIG. 2 and FIG. 3 , a slide rail 44 is provided on the upper surface of the workbench 4 , and the slide rail 44 is slidably connected with a pressure block 45 for pressing the mold 41 . The pressing block 45 is used to compact the mold 41 ; the slide rail 44 is used to replace or maintain the mold 41 .

The upper surface of the mold 41 is fixedly connected with a limiting column 43 and four pillars 42 forming a rectangular frame. When the stamping head 31 punches a workpiece, the pillars 42 collide with the end surface of the stamping head 31, reducing the occurrence of the stamping head 31 crushing the workpiece. The positioning of the workpiece is facilitated by using the limit post 43 .

As shown in Figure 3, the frame 1 is provided with a groove 5 for storing workpieces, the bottom surface of the groove 5 is inclined downwards and faces away from the mold 41, and the side of the frame 1 near the bottom of the bottom surface of the groove 5 is provided with a material extraction port 52 . Use the groove 5 to facilitate the collection of punched workpieces; use the inclined bottom surface, after the blanked workpiece slides into the groove 5, the punched workpiece will slide to the lower end of the bottom surface under the action of its own gravity, preventing The punched workpieces are piled up at the port of the groove 5 and affect the entry of subsequent blanked workpieces.

The inner wall of the groove 5 is fitted with a crash pad 51 . The crash pad 51 is used to reduce the collision intensity between the punched workpiece and the inner wall of the groove 5, and reduce the damage of the punched workpiece due to high collision intensity.

Working process: through the touch of the limit plate 32 and the trigger button 3, the stamping head 31 is paused once punching, which is convenient for adjusting the position of the workpiece to be punched; using the pedal 2, the operator can flexibly control the start of the press, The flexibility of using the press is improved.

This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.

Claims (8)

1. for the forcing press of circuit board cutting, connect including rack (1), mold (41) and by clutch (22) and motor driving The staking punch (31) connect, it is characterized in that：The rack (1) is fixedly connected with the trigger button (3) being electrically connected with brake, punching press Head (31) is fixedly connected with the limiting plate (32) that can be touched with trigger button (3)；Rack (1) lower end is rotatably connected to pedal (2), the drive link (21) that rack (1) is drivingly connected equipped with both ends with clutch (22) and pedal (2) respectively.

2. the forcing press according to claim 1 for circuit board cutting, it is characterized in that：The drive link (21) includes Driving lever (25), follower lever (23) and cross bar (24), driving lever (25) end are rotatablely connected with pedal (2), follower lever (23) end Portion is drivingly connected with clutch (22)；Cross bar (24) and rack (1) are rotatablely connected, and cross bar (24) both ends respectively with driving lever (25) it is rotatablely connected with follower lever (23) end.

3. the forcing press according to claim 2 for circuit board cutting, it is characterized in that：The driving lever (25) includes One connecting rod (26), second connecting rod (28) and link block (27), first connecting rod (26) and second connecting rod (28) with link block (27) Grafting.

4. the forcing press according to claim 1 for circuit board cutting, it is characterized in that：The staking punch (31) is through setting Have a mobile cavity (33), limiting plate (32) is inserted into mobile cavity (33) rear end and stretches out, be equipped in mobile cavity (33) both ends respectively with limit The spring (34) that position plate (32) is fixedly connected with mobile cavity (33) inner wall.

5. the forcing press according to claim 4 for circuit board cutting, it is characterized in that：The rack (1) is symmetrical arranged There are two trigger button (3), at least two springs (34) are arranged in mobile cavity (33).

6. the forcing press according to claim 1 for circuit board cutting, it is characterized in that：The rack (1) equipped with for The workbench (4) of mold (41) is placed, workbench (4) is useful for compaction mold equipped with sliding rail (44), sliding rail (44) flexible connection (41) briquetting (45).

7. the forcing press according to claim 1 for circuit board cutting, it is characterized in that：It is equipped with and uses in the rack (1) In the groove (5) of storage workpiece, groove (5) inclined bottom surface is downwards backwards to mold (41).

8. the forcing press according to claim 7 for circuit board cutting, it is characterized in that：Groove (5) the inner wall fitting There is bumper (51).