阅读说明：本技术 一种数控点阵撞针式柔性线路板裁切机 (Numerical control dot matrix striker type flexible circuit board cutting machine ) 是由 杨艳渝 于 2021-07-20 设计创作，主要内容包括：本发明涉及一种数控点阵撞针式柔性线路板裁切机,其包括主架体,主架体上安装有立体移位装置、撞针构件、冲压裁切装置、物料承托台,立体移位装置用于驱使撞针构件在立体坐标系中进行坐标点移位以及驱使冲压裁切装置竖直移动,撞针构件用于下压冲压裁切装置中的冲压刀,物料承托台用于承放柔性线路板,冲压裁切装置用于对柔性线路板进行冲压裁切。(The invention relates to a numerical control dot matrix firing pin type flexible circuit board cutting machine which comprises a main frame body, wherein a three-dimensional shifting device, a firing pin component, a stamping and cutting device and a material bearing platform are arranged on the main frame body, the three-dimensional shifting device is used for driving the firing pin component to perform coordinate point shifting in a three-dimensional coordinate system and driving the stamping and cutting device to vertically move, the firing pin component is used for downwards pressing a stamping knife in the stamping and cutting device, the material bearing platform is used for bearing a flexible circuit board, and the stamping and cutting device is used for stamping and cutting the flexible circuit board.)

1. The utility model provides a numerical control dot matrix striker type flexible circuit board guillootine, its characterized in that, it includes body frame body (100), install three-dimensional shifter (200) on body frame body (100), striker component (300), punching press cutting device (400), material bearing platform (500), three-dimensional shifter (200) are used for driving striker component (300) to carry out coordinate point displacement and drive punching press cutting device (400) vertical movement in the three-dimensional coordinate system, striker component (300) are arranged in pushing down the punching press sword in punching press cutting device (400), material bearing platform (500) are used for holding the flexible circuit board, punching press cutting device (400) are used for punching press the cutting to the flexible circuit board.

2. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 1, characterized in that the striker member (300) comprises a guide frame (303), the guide frame (303) is connected with the three-dimensional shifting device (200);

a striker motor (301) and a lead screw d (302) are vertically arranged on the guide frame (303), the lead screw d (302) axially rotates around the lead screw d (302), and the lead screw d (302) is in power connection with the striker motor (301) through a coupler;

the outer thread of the screw rod d (302) is provided with a firing pin (304), and the firing pin (304) is in sliding guide fit with the guide frame (303) in the vertical direction.

3. The cutting machine for the flexible circuit board with the numerical control dot matrix firing pins as claimed in claim 1 or 2, wherein the stamping and cutting device (400) comprises an upper die frame (410), a stamping mechanism (420) and a clamping mechanism (430), the stamping mechanism (420) is used for providing a stamping knife for cutting the flexible circuit board, and the clamping mechanism (430) is used for keeping the stamping knife unchanged after the stamping mechanism (420) forms the stamping knife matched with the shape of the flexible circuit board to be cut.

4. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 3, characterized in that the upper mold frame (410) is composed of a square frame and a guide body, the square frame is connected with the three-dimensional shifting device (200), and the two guide bodies are respectively an upper guide body (412) and a lower guide body (414);

the upper guide body (412) is of a square cylinder structure with a closed upper end and an open lower end, the upper guide body (412) is arranged in the square frame (411), and a plurality of upper guide holes (413) are arranged in an array at the closed end of the upper guide body (412);

lower guide body (414) be square plate body structure, lower guide body (414) install in square frame (411) and the up end of lower guide body (414) and the lower open end laminating of last guide body (412), the up end array of lower guide body (414) is provided with down guiding hole (415) and lower guiding hole (415) that correspond with last guiding hole (413) coaxial arrangement and is provided with a plurality of in guiding hole (413).

5. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 4, characterized in that the stamping mechanism (420) comprises stamping parts arranged in the upper guide hole (413) and the lower guide hole (415), and a plurality of groups of the stamping parts are correspondingly arranged;

the stamping part comprises a stamping head, the stamping head consists of a guide rod (421) and stamping blocks (422), the top end of the guide rod (421) is positioned above the upper guide body (412), the bottom end of the guide rod sequentially penetrates through the upper guide hole (413) and the lower guide hole (415), the guide rod (421) and the upper guide hole (413) or the lower guide hole (415) form sliding guide fit, the stamping blocks (422) are arranged at the bottom end of the guide rod (421), and the stamping blocks (422) in two adjacent sets of stamping parts are attached;

the part of the guide rod (421) in the upper guide body (412) is provided with a limit ring a (423), the outside of the guide rod (421) is further sleeved with a return spring (424), one end of the return spring (424) is abutted to the limit ring a (423), the other end of the return spring is abutted to the upper end face of the lower guide body (414), and the compression elasticity of the return spring (424) drives the stamping head to do vertical ascending motion.

6. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 5, the clamping mechanism (430) comprises a power component and a clamping component, the clamping component is provided with four groups and corresponds to four side faces of the guide body respectively, the clamping component comprises a transmission shaft (433) which is vertically arranged on the square frame (411) and rotates around the axial direction of the clamping component, a screw rod e (434) which is axially vertical to the side faces of the guide body and is arranged on the direction frame (411) and rotates around the axial direction of the clamping component, the output end of the transmission shaft (433) is in power connection with the input end of the screw rod e (434) through a power connecting piece (435), the screw rod e (434) is in threaded connection with a clamping plate (436) towards the output end of the guide body, a guide rod (437) is further arranged on the clamping plate (436), and the guide rod (437) and the square frame (411) form sliding guide fit with the guide direction parallel to the axial direction of the screw rod e (434);

the power component is used for driving the transmission shaft (433) in the four groups of clamping components to rotate around the self axial direction.

7. The cutting machine for the flexible circuit board with the numerical control dot matrix striker according to claim 6, wherein the material supporting platform (500) is located right below the punching and cutting device (400), the material supporting platform (500) comprises a lower die frame (510), a supporting mechanism (520) and a hydraulic balancing mechanism (530), the supporting mechanism (520) is used for supporting the flexible circuit board, and the hydraulic balancing mechanism (530) is used for driving the supporting mechanism (520) to support the remaining part of the flexible circuit board in the cutting process of the flexible circuit board;

the lower die carrier (510) is of a square frame structure, and the lower die carrier (510) is installed on the main frame body (100).

8. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 7, wherein the supporting mechanism (520) comprises a hydraulic tank (521) and a guide plate, the hydraulic tank (521) is of a box structure with an open upper end and a closed lower end, the hydraulic tank (521) is installed on the inner side of the lower die frame (510), and a connecting nozzle (5211) is arranged on the side surface of the hydraulic tank (521);

the guide plates are horizontally arranged in the hydraulic tank (521), the two guide plates are respectively an upper guide plate (524) and a lower guide plate (522), and the lower end surface of the upper guide plate (524) is attached to the upper end surface of the lower guide plate (522);

the end face of the upper guide plate (524) is provided with an upper sliding hole (525), the end face of the lower guide plate (522) is provided with a lower sliding hole (523) which is coaxial with the upper sliding hole (525), the lower sliding hole (523) is divided into two sections which are coaxial and unequal in diameter along the vertical direction and are respectively a limiting section and a guide section positioned below the limiting section, the aperture of the limiting section is larger than that of the guide section, the upper sliding holes (525) are arranged in an array on the end face of the upper guide plate (524), and the lower sliding holes (523) are arranged in a plurality corresponding to the upper sliding holes (525);

a bearing platform is arranged between the upper sliding hole (525) and the lower sliding hole (523), and a plurality of groups of bearing platforms are correspondingly arranged;

the bearing platform comprises a sliding rod (526) and bearing blocks (527), the bottom end of the sliding rod (526) is positioned in a guide section of a lower sliding hole (523), the top end of the sliding rod (526) sequentially penetrates through the lower sliding hole (523) and an upper sliding hole (525), the sliding rod (526) and the guide section of the lower sliding hole (523) or the upper sliding hole (525) form sliding guide fit, the bearing blocks (527) are of square block structures, the bearing blocks (527) are installed at the top ends of the sliding rod (526), and the bearing blocks (527) in two adjacent groups of bearing platforms are mutually attached;

a supporting spring (528) is sleeved outside the sliding rod (526), one end of the supporting spring (528) is abutted against the bearing block (527), the other end of the supporting spring (528) is abutted against the upper guide plate (524), and the compression elasticity of the supporting spring (528) drives the bearing platform to vertically rise;

the outside of slide bar (526) still the cover be equipped with spacing ring b (529), spacing ring b (529) and the spacing section of gliding hole (523) constitute the slip direction cooperation.

9. The cutting machine for the numerical control dot matrix striker type flexible circuit board according to claim 8, wherein the hydraulic balance mechanism (530) comprises a hydraulic cylinder (532) and a driving motor (531) which are installed on the main frame body (100), a piston (534) is arranged in the hydraulic cylinder (532), the piston (534) and the inner wall of the hydraulic cylinder (532) form a sealed sliding guide fit, the output end of the driving motor (531) is provided with a lead screw f (533) through a coupler, the lead screw f (533) is in threaded connection with the piston (534), the lead screw f (533) rotates and pulls the piston (534) to move along the axial direction of the hydraulic cylinder (532), the liquid outlet end of the hydraulic cylinder (532) is connected with the connecting nozzle (5211) through a hydraulic pipe (535), and hydraulic oil is arranged in the hydraulic pipe (535), the hydraulic tank (521) and the hydraulic cylinder (532).

Technical Field

The invention relates to the field of flexible circuit boards, in particular to the field of cutting of flexible circuit boards.

Background

The FPC of the flexible circuit board is made of flexible insulating base materials, can be freely bent, wound and folded, has the advantages that a plurality of PCBs do not have, and can greatly reduce the volume of electronic products by utilizing the FPC, so the FPC is widely applied to products in a plurality of fields such as aerospace, military, mobile communication, portable computers, computer peripherals, PDAs, digital cameras and the like, the whole circuit board is often required to be cut when the flexible circuit board is produced, the existing cutting mode depends on manpower or machine auxiliary cutting such as a punch press, the problems of low cutting efficiency, low cutting precision, high defective rate, uneven cutting surface, burrs and the like exist in manual cutting, the problem that the flexible circuit board with one shape can only be cut singly exists in the machine cutting mode, if flexible cutting with different shapes is met, the cutting machine is required to be adjusted, for example, the punching cutter on the punch press is replaced, and more particularly, the cutting machine needs to be redesigned, which is complicated and complicated, so the invention provides a numerical control dot matrix firing pin type flexible circuit board cutting machine, which has two cutting modes of a debugging mode and a continuous mode, wherein the debugging mode is suitable for cutting test debugging of a flexible circuit board with smaller quantity, the cutting part of the flexible circuit board is divided into a plurality of points, each cutting point corresponds to a coordinate point, the punching head corresponding to the coordinate point is pressed down through a firing pin component to complete the punching cutting of the flexible circuit board, the more the cutting points of the flexible circuit board are divided, the smaller the punching head is, the higher the cutting precision is, the continuous mode is suitable for cutting the flexible circuit board in a unified shape in a large scale, and the punching cutter can be preset according to the shape of the part to be cut of the flexible circuit board in advance, therefore, the flexible circuit board cutting device can cut large batches and flexible circuit boards in different shapes, and in addition, the preset operation of the stamping knife is simple and easy to replace.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a numerical control dot matrix firing pin type flexible circuit board cutting machine.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The utility model provides a numerical control dot matrix firing pin formula flexible line way board guillootine, it includes the body frame body, install three-dimensional shifter, firing pin component, punching press cutting device, material bearing platform on the body frame body, three-dimensional shifter is used for driving the firing pin component to carry out the coordinate point displacement and drive the vertical removal of punching press cutting device in the three-dimensional coordinate system, and the firing pin component is used for pushing down the punching press sword among the punching press cutting device, and material bearing platform is used for holding puts the flexible line way board, and punching press cutting device is used for punching press the cutting to the flexible line way board.

Further, the striker member comprises a guide frame, and the guide frame is connected with the three-dimensional displacement device;

the guide frame is vertically provided with a firing pin motor and a lead screw d, the lead screw d rotates around the axial direction of the lead screw d, and the lead screw d is in power connection with the firing pin motor through a coupler;

and a firing pin is arranged on the outer thread of the screw rod d and is in sliding guide fit with the guide frame in the vertical direction.

Furthermore, the punching and cutting device comprises an upper die frame, a punching mechanism and a clamping mechanism, wherein the punching mechanism is used for providing a punching knife for cutting the flexible circuit board, and the clamping mechanism is used for keeping the punching knife unchanged after the punching mechanism forms the punching knife matched with the shape to be cut of the flexible circuit board.

Furthermore, the upper die frame consists of a square frame and two guide bodies, the square frame is connected with the three-dimensional shifting device, and the two guide bodies are respectively an upper guide body and a lower guide body;

the upper guide body is of a square cylinder structure with a closed upper end and an open lower end, the upper guide body is arranged in the square frame, and a plurality of upper guide holes are arranged in an array at the closed end of the upper guide body;

the lower guide body be square plate body structure, lower guide body installs in square frame and the up end of lower guide body and the lower open end laminating of last guide body, the up end array of lower guide body is provided with down the guiding hole and the guiding hole corresponds down the guiding hole with last guiding hole coaxial arrangement and is provided with a plurality of.

Furthermore, the stamping mechanism comprises stamping parts arranged in the upper guide hole and the lower guide hole, and a plurality of groups of stamping parts are correspondingly arranged;

the stamping part comprises a stamping head, the stamping head consists of a guide rod and stamping blocks, the top end of the guide rod is positioned above the upper guide body, the bottom end of the guide rod sequentially penetrates through the upper guide hole and the lower guide hole, the guide rod and the upper guide hole or the lower guide hole form sliding guide fit, the stamping blocks are arranged at the bottom end of the guide rod, and the stamping blocks in two adjacent sets of stamping parts are attached;

the part of the guide rod in the upper guide body is provided with a limiting ring a, the outer part of the guide rod is further sleeved with a return spring, one end of the return spring is abutted against the limiting ring a, the other end of the return spring is abutted against the upper end face of the lower guide body, and the compression elasticity of the return spring drives the stamping head to do vertical ascending motion.

Furthermore, the clamping mechanism comprises a power component and a clamping component, the clamping component is provided with four groups and respectively corresponds to four side surfaces of the guide body, the clamping component comprises a transmission shaft which is vertically arranged on the square frame and rotates around the axial direction of the clamping component, and a screw rod e which is axially vertical to the side surface of the guide body and is arranged on the direction frame and rotates around the axial direction of the clamping component, the output end of the transmission shaft is in power connection with the input end of the screw rod e through a power connecting piece, the screw rod e is in threaded connection with a clamping plate towards the output end of the guide body, and a guide rod is further arranged on the clamping plate and forms sliding guide fit with the guide direction parallel to the axial direction of the screw rod e with the square frame;

the power component is used for driving the transmission shafts in the four groups of clamping components to rotate around the axial direction of the transmission shafts.

Furthermore, the material bearing platform is positioned right below the stamping and cutting device and comprises a lower die frame, a bearing mechanism and a hydraulic balance mechanism, wherein the bearing mechanism is used for bearing the flexible circuit board, and the hydraulic balance mechanism is used for driving the bearing mechanism to bear the reserved part of the flexible circuit board in the cutting process of the flexible circuit board;

the lower die carrier is of a square frame structure and is arranged on the main frame body.

Furthermore, the bearing mechanism comprises a hydraulic tank and a guide plate, the hydraulic tank is of a box body structure with an opening at the upper end and a closed lower end and is arranged on the inner side of the lower die frame, and a connecting nozzle is arranged on the side surface of the hydraulic tank;

the guide plates are horizontally arranged in the hydraulic box, the two guide plates are respectively an upper guide plate and a lower guide plate, and the lower end surface of the upper guide plate is attached to the upper end surface of the lower guide plate;

the end face of the upper guide plate is provided with an upper sliding hole, the end face of the lower guide plate is provided with a lower sliding hole which is coaxially arranged with the upper sliding hole, the lower sliding hole is divided into two sections which are coaxial and have unequal warp along the vertical direction and are respectively a limiting section and a guide section positioned below the limiting section, the aperture of the limiting section is larger than that of the guide section, the upper sliding hole is provided with a plurality of upper sliding holes in an array manner on the end face of the upper guide plate, and the lower sliding holes are provided with a plurality of lower sliding holes corresponding to the upper sliding holes;

a bearing platform is arranged between the upper sliding hole and the lower sliding hole, and a plurality of groups of bearing platforms are correspondingly arranged;

the bearing platform comprises a slide bar and bearing blocks, the bottom end of the slide bar is positioned in a guide section of a lower slide hole, and the top end of the slide bar sequentially penetrates through the lower slide hole and an upper slide hole;

a supporting spring is sleeved outside the sliding rod, one end of the supporting spring is abutted against the bearing block, the other end of the supporting spring is abutted against the upper guide plate, and the compression elasticity of the supporting spring drives the bearing platform to vertically rise;

the outer part of the slide bar is also sleeved with a limit ring b, and the limit ring b and the limit section of the lower slide hole form sliding guide fit.

Furthermore, the hydraulic balance mechanism comprises a hydraulic cylinder and a driving motor which are arranged on the main frame body, a piston is arranged in the hydraulic cylinder, the piston and the inner wall of the hydraulic cylinder form sealed sliding guide fit, the output end of the driving motor is provided with a lead screw f through a coupler, the lead screw f is in threaded connection with the piston, rotates and pulls the piston to move along the axial direction of the hydraulic cylinder, the liquid outlet end of the hydraulic cylinder is connected with the connecting nozzle through a hydraulic pipe, and hydraulic oil is arranged in the hydraulic pipe, the hydraulic box and the hydraulic cylinder.

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

1. the flexible circuit board cutting device has two cutting modes, namely a debugging mode and a continuous mode, wherein the debugging mode is suitable for the cutting test debugging of a flexible circuit board with smaller quantity, the cutting part of the flexible circuit board is divided into a plurality of points, each cutting point corresponds to a coordinate point, a stamping head corresponding to the coordinate point is pressed down through a firing pin component to complete the stamping cutting of the flexible circuit board, the more the cutting points of the flexible circuit board are divided, the smaller the stamping head is, and the higher the cutting precision is;

the continuous mode is suitable for cutting the flexible circuit board in a unified shape in a large scale, and the punching knife can be preset according to the shape of the part to be cut of the flexible circuit board in advance, so that the flexible circuit board can be cut in a large scale, the flexible circuit boards in different shapes can be cut, and in addition, the preset operation of the punching knife is simple and easy to replace;

2. no matter in debugging mode or continuous mode, when cutting the flexible line way board of placing on the cushion cap through punching press cutting device, according to the punching press head quantity that punching press cutting device pushed down, the driving motor among the hydraulic pressure balance mechanism corresponds the operation and orders about the piston and corresponds and remove predetermined volume, promptly: when the punching head drives the bearing platform to descend, the amount of hydraulic oil flowing into a hydraulic cylinder in the hydraulic balance mechanism is M1 driven by the descending of the bearing platform, the hydraulic oil amount which can be carried by the empty volume of the hydraulic cylinder is M2 driven by the descending of the bearing platform, and M1 is M2, so that when the flexible circuit board is punched and cut under the bearing of the hydraulic oil, only the bearing platform corresponding to the downward-pressed punching head can descend, and the rest bearing platforms can not descend under the bearing of the hydraulic oil, when the punching head is lifted and reset after the punching head is finished, the driving motor reversely operates to drive the piston to reversely move to the original position, and the material bearing platform returns to the original state, therefore, the design has the advantages that the flexible circuit board can be better punched and cut, the cutting surface is flat, if no hydraulic balance mechanism exists, the uncut part of the flexible circuit board can descend for a certain distance along with the part to be cut, a problem of deformation of the cutting plane occurs.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the three-dimensional displacement device and the striker member of the present invention.

Fig. 4 is a schematic structural view of the Z-axis shift mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the X-axis shift mechanism of the present invention.

Fig. 6 is a schematic view of the striker member of the present invention.

Fig. 7 is a schematic structural diagram of the punching and cutting device of the present invention.

Fig. 8 is a sectional view of an upper mold frame according to the present invention.

Fig. 9 is a schematic structural diagram of the punching mechanism and the clamping mechanism of the present invention.

Fig. 10 is a schematic structural view of the clamping mechanism of the present invention.

Fig. 11 is a schematic view of the structure of the clamping member of the present invention.

Fig. 12 is a schematic structural view of a press head of the present invention.

Fig. 13 is a schematic structural view of the material supporting platform of the present invention.

Fig. 14 is a schematic view of the supporting mechanism of the present invention.

Figure 15 is a cross-sectional view of the racking mechanism of the present invention.

Fig. 16 is a cross-sectional view of the hydraulic tank and the guide plate of the present invention.

FIG. 17 is a schematic structural diagram of the supporting platform of the present invention.

Fig. 18 is a sectional view of the hydraulic balance mechanism of the invention.

The reference numbers in the drawings are:

100. a main frame body;

200. a stereoscopic displacement device;

210. a Z-axis displacement mechanism; 211. a shift motor a; 212. a power transmission member a; 213. a screw rod a; 214. a connecting leg; 215. a mounting frame;

220. an X-axis displacement mechanism; 221. a shift motor b; 222. a screw rod b; 223. a base; 224. a connecting frame;

230. a Y-axis displacement mechanism;

300. a striker member; 301. a striker motor; 302. a screw rod d; 303. a guide frame; 304. a striker;

400. a stamping and cutting device;

410. feeding a mold frame; 411. a square frame; 412. an upper guide body; 413. an upper guide hole; 414. a lower guide body; 415. a lower guide hole;

420. a stamping mechanism; 421. a guide bar; 422. stamping the blocks; 423. a limiting ring a; 424. a return spring;

430. a clamping mechanism; 431. clamping the motor; 432. a power transmission member b; 433. a transmission shaft; 434. a screw rod e; 435. a power connection; 436. a splint; 437. a guide rod;

500. a material bearing platform;

510. a lower die frame;

520. a support mechanism; 521. a hydraulic tank; 5211. a connecting nozzle; 522. a lower guide plate; 523. a lower slide hole; 524. an upper guide plate; 525. an upper slide hole; 526. a slide bar; 527. a bearing block; 528. a support spring; 529. a limiting ring b;

530. a hydraulic balancing mechanism; 531. a drive motor; 532. a hydraulic cylinder; 533. a screw rod f; 534. a piston; 535. and a hydraulic pipe.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-2, a digital control dot matrix striker type flexible circuit board cutting machine includes a main frame 100, a three-dimensional displacement device 200, a striker member 300, a punching and cutting device 400, and a material supporting platform 500, which are mounted on the main frame 100, and the operation is divided into two modes, i.e. a debugging mode and a continuous mode, wherein the debugging mode is: the flexible circuit board is placed on the material bearing platform 500 in a mode which can be realized by the existing mechanical arm technology, and not to mention a lot, then the three-dimensional shifting device 200 operates and drives the striker member 300 and the stamping and cutting device 400 to descend synchronously until the stamping and cutting device 400 is close to the material bearing platform 500, then the striker member 300 operates and drives the stamping block 422 in the stamping and cutting device 400 to descend to stamp and cut the flexible circuit board, the stamping and cutting mode adopts a dot matrix mode, namely, the part to be cut according to the requirement is stamped and cut little by little, and after the stamping and cutting is finished, the stamping block 422 ascends under the action of the self internal spring force and returns to the original state, and the mode is suitable for test debugging; continuous mode: the three-dimensional shifting device 200 and the striker member 300 are matched to drive the corresponding stamping block 422 in the stamping and cutting device 400 to descend according to the shape to be cut of the flexible circuit board, a stamping knife matched with the shape to be cut of the flexible circuit board is formed, the stamping knife is kept unchanged under the limitation of the clamping mechanism 430 in the stamping and cutting device 400, then the flexible circuit board is placed on the material bearing table 500, the three-dimensional shifting device 200 drives the stamping and cutting device 400 to integrally descend, the flexible circuit board is stamped and cut through the stamping knife, the mode is suitable for cutting the flexible circuit board in a unified shape in a large batch, and the shape of the stamping knife can be preset in advance, so that the flexible circuit board can be cut in a large batch and can be cut in different shapes.

As shown in fig. 3 to 5, the three-dimensional shift device 200 includes a Z-axis shift mechanism 210, an X-axis shift mechanism 220, and a Y-axis shift mechanism 230, which cooperate to move the striker member 300 and the press cutting device 400 in a three-dimensional coordinate system at an arbitrary coordinate, but the three-dimensional shift device 200 may be configured to move the striker member 300 and the press cutting device 400 in a three-dimensional coordinate system at an arbitrary coordinate.

Specifically, the Z-axis shifting mechanism 210 includes a shifting motor a211 installed on the main frame 100, and a lead screw a213 vertically installed on the main frame 100 and rotating around the main frame 100 in an axial direction, where the lead screw a213 is provided with four lead screws a213 to form a square area structure, a connection leg 214 is installed on the external thread of the lead screw a213, and the punching and cutting device 400 is installed between the four connection legs 214, so that when the lead screw a213 rotates, the punching and cutting device 400 is pulled by the four connection legs 214 to move in a vertical direction, the external parts of the four lead screws a213 are further connected with an installation frame 215 which is a square frame structure and is located above the connection leg 214 in a threaded manner, the lead screw a213 rotates to also pull the installation frame 215 to move in the vertical direction, and power is transmitted between the lead screw a213 and the shifting motor a211 through a power transmission member a212, where the vertical direction is the Z-axis.

The X-axis displacement mechanism 220 comprises an X-axis displacement component, the X-axis displacement component comprises a displacement motor b221 installed on the installation frame 215 and a screw rod b222 horizontally installed on the installation frame 215 and rotating around the screw rod b222 in the axial direction, the screw rod b222 is in power connection with the displacement motor b221 through a coupler, a base 223 is in threaded connection with the outer portion of the screw rod b222, two groups of X-axis displacement components are arranged in the direction parallel to the ground and perpendicular to the axial direction of the screw rod b222, a connecting frame 224 is arranged between the bases 223 in the two groups of X-axis displacement components, the base 223 and the connecting frame 224 are pulled to move in the axial direction of the screw rod b222 through rotation of the screw rod b222, and the axial direction of the screw rod b222 is the X axis.

The Y-axis shifting mechanism 230 includes a shifting motor c mounted on the connecting frame 224, and a lead screw c horizontally mounted on the connecting frame 224 and rotating around itself in the axial direction, the axial direction of the lead screw c is perpendicular to the X-axis and the axial direction of the lead screw c is the Y-axis, and the lead screw c is connected with the shifting motor c through a coupling.

The shift motor a211, the shift motor b221 and the shift motor c are operated in cooperation with each other to move the striker member 300 mounted on the Y-axis shift mechanism 230 in any coordinate system, and the shift motor a211 alone may drive the punch cutting device 400 to move in the vertical direction.

As shown in fig. 6, the striker member 300 includes a guide frame 303, the guide frame 303 and the connecting frame 224 form a sliding guiding fit with a guiding direction parallel to the Y-axis, and the guide frame 303 is further screwed with the lead screw c, when the lead screw c rotates, the guide frame 303 is driven to move along the Y-axis.

The guide frame 303 is vertically provided with a striker motor 301 and a lead screw d302, the lead screw d302 rotates around the axial direction of the lead screw d302, and the lead screw d302 is in power connection with the striker motor 301 through a coupler.

The outer thread of the screw rod d302 is provided with a striker 304, the striker 304 is further in sliding guiding fit with the guide frame 303 in the vertical direction, and when the screw rod d302 rotates, the striker 304 is driven to move in the vertical direction.

As shown in fig. 7, the punching and cutting device 400 includes an upper mold frame 410, a punching mechanism 420, and a clamping mechanism 430, where the punching mechanism 420 is used to provide a punching blade for cutting the flexible circuit board, and the clamping mechanism 430 is used to keep the punching blade unchanged after the punching mechanism 420 forms the punching blade matching the shape of the flexible circuit board to be cut.

As shown in fig. 8, the upper mold 410 is composed of a square frame installed between the four connecting legs 214 and two guide bodies, i.e., an upper guide body 412 and a lower guide body 414.

The upper guide body 412 is a square cylinder structure with a closed upper end and an open lower end, the upper guide body 412 is installed in the square frame 411, and a plurality of upper guide holes 413 are arranged in the closed end array of the upper guide body 412.

The lower guide body 414 is a square plate structure, the lower guide body 414 is installed in the square frame 411, the upper end surface of the lower guide body 414 is attached to the lower opening end of the upper guide body 412, lower guide holes 415 are formed in the upper end surface of the lower guide body 414 in an array mode, the lower guide holes 415 and the upper guide holes 413 are arranged coaxially, and the lower guide holes 415 are provided with a plurality of guide holes 413 corresponding to the upper guide holes 413.

As shown in fig. 9 and 12, the punching mechanism 420 includes a punching part disposed in the upper guide hole 413 and the lower guide hole 415, and the punching part is correspondingly disposed in several groups.

The stamping part comprises a stamping head, the stamping head is composed of a guide rod 421 and stamping blocks 422, the top end of the guide rod 421 is positioned above the upper guide body 412, the bottom end of the guide rod 421 sequentially penetrates through the upper guide hole 413 and the lower guide hole 415, the guide rod 421 and the upper guide hole 413 or the lower guide hole 415 form sliding guide fit, and the stamping blocks 422 are installed at the bottom end of the guide rod 421 and are attached to the stamping blocks 422 in the two adjacent sets of stamping parts.

The part of the guide rod 421 located in the upper guide body 412 is provided with a limit ring a423, the outside of the guide rod 421 is further sleeved with a return spring 424, one end of the return spring 424 abuts against the limit ring a423, the other end of the return spring abuts against the upper end face of the lower guide body 414, and the compression elastic force of the return spring 424 drives the stamping head to vertically move upwards.

As shown in fig. 9-11, the clamping mechanism 430 includes a power member and a clamping member, wherein the clamping member is provided with four groups and respectively corresponds to four sides of the guiding body, the clamping member includes a transmission shaft 433 vertically installed on the square frame 411 and axially rotating around itself, a lead screw e434 axially perpendicular to the side of the guiding body and installed on the direction frame 411 and axially rotating around itself, an output end of the transmission shaft 433 is dynamically connected with an input end of the lead screw e434 through a power connector 435, a clamping plate 436 is threadedly connected to an output end of the lead screw e434 facing the guiding body, a guiding rod 437 is further provided on the clamping plate 436, and a sliding guiding fit with a guiding direction parallel to the axial direction of the lead screw e434 is formed between the guiding rod 437 and the square frame 411.

The punching blocks 422 of several groups of punching heads form a square structure, the clamping plates 436 in the four groups of clamping members are contacted with the side surfaces of the corresponding square, and when the four groups of clamping plates 436 move close to each other, the friction force between the punching blocks 422 of two adjacent groups of punching heads can be increased to be almost integrated.

The power member comprises a clamping motor 431 mounted on the square frame 411, and the clamping motor 431 is in power connection with four transmission shafts 433 through a power transmission member b 432.

In general, the motion states of the punching and cutting device 400 are divided into two types, one is a click cutting state corresponding to the debugging mode: the clamping member does not clamp the ram, and after the striker member 300 presses down the ram, the ram can vertically rise to restore the original state under the action of the elastic force of the return spring 424; the other is a pinch cut state corresponding to the continuous mode: firstly, the clamping motor 431 operates and enables the four clamping plates 436 to move close to each other, so that the friction force between the stamping blocks 422 of the two adjacent groups of stamping heads is slightly larger than the elastic force of the return spring 424, then, the striker member 300 is pressed down and enables the corresponding stamping heads to vertically descend, and the stamping heads cannot ascend after descending.

As shown in fig. 13, the material supporting platform 500 is located right below the punching and cutting device 400, the material supporting platform 500 includes a lower mold frame 510, a supporting mechanism 520, and a hydraulic balancing mechanism 530, the hydraulic balance mechanism 530 is provided to cut the flexible printed circuit board by punching in the punching and cutting process, i.e., the cut portion of the flexible circuit board, is punched, but since the support of the supporting table in the supporting mechanism 520 is achieved by the supporting springs 528, namely the supporting platform can also move vertically, so that the problem that the flexible circuit board moves vertically downwards under the downward pressure of the stamping knife, the supporting platform moves vertically downwards along with the flexible circuit board, and the stamping and cutting can not be finished is solved, therefore, the hydraulic balance mechanism 530 is provided, so that the supporting platform corresponding to the punching knife can move downwards vertically, the rest supporting tables can not move downwards vertically, so that the punching and cutting of the flexible circuit board can be completed.

As shown in fig. 15 to 16, the lower mold frame 510 has a square frame structure and the lower mold frame 510 is mounted on the main frame 100.

The supporting mechanism 520 comprises a hydraulic tank 521 and a guide plate, the hydraulic tank 521 is a box structure with an open upper end and a closed lower end, the hydraulic tank 521 is installed inside the lower die frame 510, and a connecting nozzle 5211 is arranged on the side surface of the hydraulic tank 521.

The guide plates are horizontally arranged in the hydraulic tank 521, the two guide plates are respectively an upper guide plate 524 and a lower guide plate 522, and the lower end surface of the upper guide plate 524 is attached to the upper end surface of the lower guide plate 522.

The terminal surface of last deflector 524 seted up last slide opening 525, the terminal surface of lower deflector 522 seted up the lower slide opening 523 with the coaxial arrangement of last slide opening 525, lower slide opening 523 divide into two sections of coaxial unequal warp along vertical direction and be spacing section respectively and be located the guide section of spacing section below, the aperture of spacing section is greater than the aperture of guide section, last slide opening 525 is provided with a plurality of at the terminal surface array of last deflector 524, corresponding last slide opening 525 of lower slide opening 523 is provided with a plurality of, in addition, correspond coaxial arrangement between last slide opening and the upper and lower guide opening, quantity also is equal.

A supporting platform is arranged between the upper sliding hole 525 and the lower sliding hole 523, and a plurality of groups of supporting platforms are correspondingly arranged.

Specifically, as shown in fig. 17, the supporting platform includes slide bar 526 and supporting block 527, the bottom end of slide bar 526 is located in the guide section of lower slide hole 523, the top end of slide bar 526 sequentially passes through lower slide hole 523 and upper slide hole 525, slide bar 526 and the guide section of lower slide hole 523 or upper slide hole 525 form a sliding guide fit, supporting block 527 is a square block structure, supporting block 527 is installed on the top end of slide bar 526, and supporting blocks 527 in two adjacent sets of supporting platforms are attached to each other.

The outer part of the sliding rod 526 is sleeved with a supporting spring 528, one end of the supporting spring 528 abuts against the bearing block 527, the other end of the supporting spring 528 abuts against the upper guide plate 524, and the compression elasticity of the supporting spring 528 drives the bearing platform to vertically rise.

The outside of the slide bar 526 is also sleeved with a limit ring b529, and the limit ring b529 is in sliding guide fit with the limit section of the lower slide hole 523.

As shown in fig. 18, the hydraulic balance mechanism 530 includes a hydraulic cylinder 532 and a driving motor 531 which are mounted on the main frame 100, a piston 534 is disposed in the hydraulic cylinder 532, the piston 534 forms a sealed sliding guiding fit with an inner wall of the hydraulic cylinder 532, an output end of the driving motor 531 is mounted with a lead screw f533 through a coupling, the lead screw f533 is in threaded connection with the piston 534, the lead screw f533 rotates and pulls the piston 534 to move along an axial direction of the hydraulic cylinder 532, a liquid outlet end of the hydraulic cylinder 532 is connected with a connecting nozzle 5211 through a hydraulic pipe 535, and hydraulic oil is disposed in the hydraulic pipe 535, the hydraulic tank 521 and the hydraulic cylinder 532.

No matter in debugging mode or continuous mode, when the flexible circuit board placed on the supporting platform is cut by the punching and cutting device 400, according to the number of the punching heads pressed down by the punching and cutting device 400, the driving motor 531 correspondingly operates to drive the piston 534 to correspondingly move by a preset amount, namely: when the punching head drives the supporting platform to descend, the amount of hydraulic oil flowing into the hydraulic cylinder 532 in the hydraulic balance mechanism 530 by the hydraulic oil in the hydraulic tank 521 driven by the descending of the supporting platform is M1, the hydraulic oil amount which can be carried by the empty volume of the hydraulic cylinder 532 is M2 when the piston 534 moves, and M1 is M2, so that under the support of the hydraulic oil, only the supporting platform corresponding to the downward-pressed punching head can descend when the flexible circuit board is punched and cut, the rest supporting platforms can not descend under the support of the hydraulic oil, after the punching head ascends and resets after the punching head is punched and cut, the driving motor 531 reversely operates to drive the piston 534 to reversely move to the original position, and the material supporting platform 500 restores to the original state.

During actual work, a debugging mode is as follows: firstly, a flexible circuit board to be cut is placed on a plurality of supporting tables in a material supporting table 500 by the existing mechanical arm technology, then, three parts of a shifting motor a211, a shifting motor b221 and a shifting motor c in a three-dimensional shifting device 200 are operated in a matching way to drive a striker member 300 and a punching and cutting device 400 to synchronously descend until the punching and cutting device 400 is close to the material supporting table 500, then, a striker motor 301 in the striker member 300 is operated to drive a striker 304 to vertically descend and then vertically ascend, wherein the striker 304 descends to press a corresponding punching block 422 in the punching and cutting device 400 to synchronously descend for punching and cutting the flexible circuit board, when the striker 304 ascends, the punching block 422 ascends under the action of the elastic force of a return spring 424 for resetting, then, a shifting motor b221 and a shifting motor c in the three-dimensional shifting device 200 are operated in a matching way to drive the striker member 300 to shift to a next cutting coordinate point, the punching and cutting process is repeated until the cutting of the flexible circuit board is completed, the debugging mode of the invention adopts the mode that the cutting part of the flexible circuit board is divided into a plurality of points, each cutting point corresponds to one coordinate point, the punching head corresponding to the coordinate point is pressed down through the firing pin component 300 to complete the punching and cutting of the flexible circuit board, the mode is suitable for test debugging, and in the punching and cutting process, the more the cutting points of the flexible circuit board are divided, the smaller the punching head is, and the higher the cutting precision is.

Continuous mode: firstly, the clamping motor 431 in the punching and cutting device 400 operates and makes the four clamping plates 436 move close to each other, so that the friction force between the punching blocks 422 of two adjacent groups of punching heads is slightly larger than the elastic force of the return spring 424, then the striker member 300 operates to press down the punching heads to vertically descend, the punching heads cannot ascend after descending, then the shifting motors b221 and c in the three-dimensional shifting device 200 operate in a matching manner to drive the striker member 300 to shift to the next punching coordinate point, the pressing process is repeated, the process is repeated until the vertically descending punching heads jointly form a punching knife matched with the shape of the part to be cut of the flexible circuit board, then the clamping motor 431 operates again and makes the friction force between the punching blocks 422 of two adjacent groups of punching heads continue to increase until a preset value capable of meeting the requirement of the punching knife for punching and cutting the flexible circuit board is reached, then, the flexible circuit board is placed on the material supporting platform 500, the shifting motor a211 in the three-dimensional shifting device 200 operates to drive the stamping and cutting device 400 to descend integrally, the flexible circuit board is stamped and cut through the stamping knife, the stamping head corresponding to the shape of the part to be cut of the flexible circuit board is pressed downwards in the continuous mode, the stamping knife matched with the shape of the part to be cut of the flexible circuit board is formed, the flexible circuit board is stamped and cut through the stamping knife, the mode is suitable for cutting the flexible circuit board in a unified shape on a large scale, and the shape of the stamping knife can be preset in advance, so that the flexible circuit board with different shapes can be cut on a large scale.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.