CN111958126A

CN111958126A - Noiseless formula cutting equipment is used in circuit board production and processing that can accurate regulation size

Info

Publication number: CN111958126A
Application number: CN202010687506.XA
Authority: CN
Inventors: 王钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-11-20

Abstract

The invention discloses noise-free cutting equipment capable of accurately adjusting size for production and processing of a circuit board, which comprises a box body, a first hydraulic rod, a motor box, a dust collection head, an adjusting motor and a second hydraulic rod, wherein the front end of the box body is hinged with a box door, a pushing device comprises a second telescopic rod, an installation block, a fixing buckle, a rubber ball and a pull ring, the second telescopic rod is fixedly connected onto the installation block through the fixing buckle, the rear end of the installation block is fixedly connected with the rubber ball, the upper end of the first hydraulic rod is fixedly connected with a soundproof cotton plate, the upper end of the motor box is connected to the inner wall of a toothed plate, and the lower end of a connecting block is fixedly connected with an installation shell through a bolt. This but noiseless formula cutting equipment is used in circuit board production and processing of accurate regulation size conveniently carries out the distance cutting to the circuit board to and the convenience carries out stable centre gripping fixed to the circuit board, also conveniently carries out noiseless formula cutting to the circuit board simultaneously, also avoids appearing the dust.

Description

Noiseless formula cutting equipment is used in circuit board production and processing that can accurate regulation size

Technical Field

The invention relates to the technical field related to circuit board production and processing, in particular to noise-free cutting equipment capable of accurately adjusting the size for the circuit board production and processing.

Background

The circuit board makes the circuit miniaturation, the intuition, plays important role with electrical apparatus overall arrangement to fixed circuit's batch production and optimization, and the circuit board can be called printed wiring board or printed circuit board, and the circuit board need produce different size in process of production, so just need cut the circuit board to convenient to use.

However, when a general circuit board is used, the following problems are easy to occur, and the production and use are affected:

1. the circuit board is inconvenient to cut at a fixed distance, and the cutting size is inconvenient to adjust accurately;

2. the circuit board is inconvenient to be stably clamped and fixed, and is easy to shake during cutting, so that the use is influenced;

3. the noise-free cutting equipment is inconvenient for cutting the circuit board and is easy to generate dust, so that the noise-free cutting equipment capable of accurately adjusting the size for producing and processing the circuit board is provided, and the problem is solved.

Disclosure of Invention

The invention aims to provide noise-free cutting equipment capable of accurately adjusting the size for producing and processing a circuit board, and aims to solve the problems that a common circuit board cutting device provided in the background technology is inconvenient to cut the circuit board at a fixed distance, clamp and fix the circuit board stably, simultaneously is inconvenient to cut the circuit board in a noise-free manner, and is easy to generate dust.

In order to achieve the purpose, the invention provides the following technical scheme: a noise-free cutting device capable of accurately adjusting size for production and processing of a circuit board comprises a box body, a first hydraulic rod, a motor box, a dust suction head, an adjusting motor and a second hydraulic rod, wherein the front end of the box body is hinged with a box door, the upper end corner of the box body is fixedly connected with the first hydraulic rod, the right end of the left box door is connected with a pushing device in a penetrating manner, the pushing device comprises a second telescopic rod, an installation block, a fixing buckle, a rubber ball and a pull ring, the rear end of the second telescopic rod is rotatably connected onto the installation block, the second telescopic rod is fixedly connected onto the installation block through the fixing buckle, the front end of the second telescopic rod is fixedly connected with the pull ring, the rear end of the installation block is fixedly connected with the rubber ball, the rubber ball penetrates through the interior of the box door, the upper end of the first hydraulic rod is fixedly connected with a sound insulation cotton board, and the middle part of the inner, the lower side of the toothed plate is connected with a movable gear in a meshed mode, the front end and the rear end of the movable gear are rotatably connected to the middle of a motor box, the upper end of the motor box is connected to the inner wall of the toothed plate, the lower end of the motor box is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with an installation shell through a bolt, the lower end of the interior of the installation shell is connected with a laser cutting machine in an installing mode, a dust collector is installed on the upper side of the laser cutting machine in a connecting mode, the left end and the right end of the dust collector are communicated with connecting pipes, the lower end of each connecting pipe is communicated with a hose, the outer end of each hose is communicated with a dust collecting pipe, the dust collecting pipe penetrates through the interior of;

the inner part of the lower end of the box body is fixedly connected with a rack, the upper side of the rack is meshed and connected with a balance gear, the balance gear is rotatably connected on a supporting plate on the front side, the left end and the right end of the supporting plate on the front side are fixedly connected with sliding blocks, the inner part of the supporting plate is rotatably connected with a bidirectional screw rod, the right end of the bidirectional screw rod is fixedly connected with an adjusting motor through bolts, the outer surface of the bidirectional screw rod is in threaded connection with a supporting block, the upper end of the supporting block is connected with a supporting plate in a penetrating manner, the middle part of the upper end of the supporting plate on the front side is fixedly connected with a stop block, an adjusting groove is formed in the middle part of the stop block, the inner part of the adjusting groove is clamped and connected with an adjusting plate, a first telescopic rod is fixedly installed at the joint of the adjusting plate and the adjusting groove, the first, the rear lower end of the box body is fixedly connected with a collecting box.

Preferably, the inside front end fixed mounting of soundproof cotton board has the second hydraulic stem, and the output fixedly connected with pinion rack of second hydraulic stem to the pinion rack constitutes front and back sliding construction in soundproof cotton board's inside.

Preferably, the motor case is arranged in a bilateral symmetry mode about the central axis of the toothed plate, the motor case forms a left-right sliding structure on the inner wall of the toothed plate through the moving gear, and a welding integrated structure is formed between the motor case and the connecting block.

Preferably, the installation shell is hollow groove-shaped structure, and the protection casing that the installation shell left and right sides is connected is arc structure to the width dimension of protection casing equals the front and back width dimension of installation shell.

Preferably, the outer surface of the dust collection head on the protective cover is in equal-angle distribution, a communicating structure is formed between the dust collection head and the dust collection pipe, and the protective cover forms a dismounting structure with the outer wall of the mounting shell through the hanging ring.

Preferably, the longitudinal section of the supporting plate is of a concave structure, and the supporting plate forms a front-back sliding structure in the box body through a balance gear.

Preferably, the support blocks are arranged symmetrically left and right relative to the support plate, and the support blocks form a sliding structure on the support plate.

Preferably, the support plate and the stop block form an inverted T-shaped structure, the thickness of the adjusting plate is smaller than the height of the stop block, and the adjusting plate forms a lifting structure on the stop block.

Preferably, clamping device includes support frame, big spring, splint, little spring and bumping post, and the lower extreme fixed connection of support frame is in the upper surface of tray, and the one end hinged joint that the tray was kept away from to the support frame has splint, is connected with big spring between splint and the support frame, and the lower extreme through connection of splint has the bumping post, fixedly connected with little spring between bumping post and the splint inner wall.

Preferably, the support frame is "T" style of calligraphy structure, and splint are the slope setting on the support frame to the bumping post constitutes extending structure in the inside of splint.

Compared with the prior art, the invention has the beneficial effects that: the noise-free cutting equipment capable of accurately adjusting the size for producing and processing the circuit board is convenient for cutting the circuit board at a fixed distance, stably clamping and fixing the circuit board, simultaneously facilitating noise-free cutting of the circuit board and avoiding dust;

1. the clamping device and the supporting plate are arranged, the supporting plate clamps and fixes the circuit board through the stop block, and the clamping device limits and fixes the left side and the right side of the circuit board, so that the sliding and influence on use during cutting are avoided;

2. the dust collection pipe is arranged and is used for absorbing dust generated during cutting through the dust collection head, and the dust is shielded through the protective cover, so that dust splashing is reduced, dust can be conveniently, rapidly and sufficiently absorbed, and the dust collection pipe is convenient to use;

3. be equipped with balance gear and layer board, the balance gear passes through the rack and constitutes front and back sliding construction in the inside of box to the stable promotion layer board of being convenient for, the circuit board of cutting is conveniently promoted backward, makes things convenient for the unloading to collect, also is convenient for through the inside slip of pinion rack at the soundproof cotton board, and convenient distance cuts the processing to the circuit board, and the soundproof cotton board is the acoustic celotex board simultaneously, conveniently goes up and down through first hydraulic stem, the noise prevention of being convenient for.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the overall structure of the mounting housing of the present invention;

FIG. 4 is a schematic top cross-sectional view of the present invention;

FIG. 5 is a schematic view of a clamping device according to the present invention;

fig. 6 is a schematic view of the overall structure of the support plate of the present invention.

Fig. 7 is a schematic top sectional view of a pushing device according to the present invention.

In the figure: 1. a box body; 2. a box door; 3. a first hydraulic lever; 4. a sound-insulating cotton sheet; 5. a toothed plate; 6. a motor case; 7. mounting a shell; 8. a vacuum cleaner; 9. a laser cutting machine; 10. a moving gear; 11. a connecting pipe; 12. a hose; 13. a protective cover; 14. a dust collection pipe; 15. a dust collection head; 16. hanging a ring; 17. a rack; 18. a balance gear; 19. a support plate; 20. a bidirectional screw; 21. adjusting the motor; 22. a support block; 23. a support plate; 24. a clamping device; 2401. a support frame; 2402. a large spring; 2403. a splint; 2404. a small spring; 2405. a bumping post; 25. a stopper; 26. an adjustment groove; 27. an adjusting plate; 28. a first telescopic rod; 29. connecting blocks; 30. a slider; 31. a second hydraulic rod; 32. a pushing device; 3201. a second telescopic rod; 3202. mounting blocks; 3203. a fixing buckle; 3204. a rubber ball; 3205. a pull ring; 33. and a collection box.

Detailed Description

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. 1-7, the present invention provides a technical solution: a noise-free cutting device capable of accurately adjusting size for producing and processing a circuit board comprises a box body 1, a box door 2, a first hydraulic rod 3, a soundproof cotton plate 4, a toothed plate 5, a motor box 6, a mounting shell 7, a dust collector 8, a laser cutting machine 9, a movable gear 10, a connecting pipe 11, a hose 12, a protective cover 13, a dust collection pipe 14, a dust collection head 15, a hanging ring 16, a rack 17, a balance gear 18, a supporting plate 19, a bidirectional screw rod 20, an adjusting motor 21, a supporting block 22, a supporting plate 23, a clamping device 24, a stop block 25, an adjusting groove 26, an adjusting plate 27, a first telescopic rod 28, a connecting block 29, a sliding block 30, a second hydraulic rod 31, a pushing device 32 and a collecting box 33, wherein the front end of the box body 1 is hinged with the box door 2, a first hydraulic rod 3 is fixedly connected at the corner of the upper end of the box body 1, and the right end, the pushing device 32 comprises a second telescopic rod 3201, an installation block 3202, a fixing buckle 3203, a rubber ball 3204 and a pull ring 3205, the rear end of the second telescopic rod 3201 is rotatably connected on the installation block 3202, the second telescopic rod 3201 is fixedly connected on the installation block 3202 through the fixing buckle 3203, the front end of the second telescopic rod 3201 is fixedly connected with the pull ring 3205, the rear end of the installation block 3202 is fixedly connected with the rubber ball 3204, the rubber ball 3204 penetrates through the inside of the box door 2, the upper end of the first hydraulic rod 3 is fixedly connected with a soundproof cotton plate 4, the middle part of the inner wall of the soundproof cotton plate 4 is fixedly connected with a toothed plate 5, the lower side of the toothed plate 5 is connected with a movable gear 10 in a meshing manner, the front end and the rear end of the movable gear 10 are rotatably connected with the middle part of the motor box 6, the upper end of the motor box 6 is connected with the inner wall of the toothed plate 5, the lower end of the motor box, the laser cutting machine 9 is installed and connected to the lower end of the interior of the installation shell 7, the dust collector 8 is installed and connected to the upper side of the laser cutting machine 9, the connecting pipes 11 are communicated with the left end and the right end of the dust collector 8, the lower end of each connecting pipe 11 is communicated with a hose 12, the outer end of each hose 12 is communicated with a dust collection pipe 14, each dust collection pipe 14 penetrates through the interior of the corresponding protective cover 13, the lower end of each protective cover 13 is hinged to the lower end of the outer wall of the installation shell 7, and the upper end of each protective cover 13 is fixedly;

a rack 17 is fixedly connected inside the lower end of the box body 1, a balance gear 18 is meshed and connected with the upper side of the rack 17, the balance gear 18 is rotatably connected on a supporting plate 19 on the front side, sliders 30 are fixedly connected to the left end and the right end of the supporting plate 19 on the front side, a bidirectional screw 20 is rotatably connected inside the supporting plate 19, an adjusting motor 21 is fixedly connected to the right end of the bidirectional screw 20 through a bolt, a supporting block 22 is in threaded connection with the outer surface of the bidirectional screw 20, a supporting plate 23 is connected to the upper end of the supporting block 22 in a penetrating manner, a stop block 25 is fixedly connected to the middle of the upper end of the supporting plate 23 on the front side, an adjusting groove 26 is formed in the middle of the stop block 25, an adjusting plate 27 is connected to the inner clamping of the adjusting groove 26, a first telescopic rod 28 is fixedly installed at the joint of the adjusting plate 27 and the adjusting groove 26, the, the supporting block 22 on the rear side is fixedly connected to the inner wall of the box body 1, the clamping device 24 comprises a supporting frame 2401, a large spring 2402, a clamping plate 2403, a small spring 2404 and a blocking column 2405, the lower end of the supporting frame 2401 is fixedly connected to the upper surface of the supporting block 22, one end, far away from the supporting frame 2401, of the supporting frame 22 is hinged to the clamping plate 2403, the large spring 2402 is connected between the clamping plate 2403 and the supporting frame 2401, the blocking column 2405 is connected to the lower end of the clamping plate 2403 in a penetrating mode, the small spring 2404 is fixedly connected between the blocking column 2405 and the inner wall of the clamping plate 2403, and the collecting box 33.

If the inside front end fixed mounting of septum sound cotton board 4 in fig. 1 has second hydraulic stem 31, and the output fixedly connected with pinion rack 5 of second hydraulic stem 31, and pinion rack 5 constitutes front and back sliding structure at septum sound cotton board 4's inside, be convenient for adjust the position of pinion rack 5, conveniently to required cutting size, adjust, conveniently cut the not circuit board of equidimension, motor case 6 sets up about pinion rack 5's axis bilateral symmetry in fig. 1 and fig. 3, and motor case 6 constitutes left and right sliding structure on pinion rack 5's inner wall through removal gear 10, and constitute welding integrated structure between motor case 6 and the connecting block 29, easy to assemble dismantles installation shell 7, also be convenient for drive installation shell 7 simultaneously and slide, conveniently cut the circuit board.

Like in fig. 1, fig. 2 and fig. 3 installation shell 7 is hollow groove-shaped structure, and the protection casing 13 that the installation shell 7 left and right sides is connected is the arc structure, and the width size of protection casing 13 equals the front and back width size of installation shell 7, conveniently clear up and absorb the dust that produces when cutting, convenient to use, like fig. 1 and fig. 2 dust absorption head 15 is angular distribution such as in the outward appearance of protection casing 13, and constitute the intercommunication structure between dust absorption head 15 and the dust absorption pipe 14, and protection casing 13 constitutes the dismantlement structure through link 16 and the outer wall of installation shell 7, conveniently carry out abundant absorption to the dust, facilitate the use.

Like the vertical section of layer board 19 in fig. 1 be "concave" style of calligraphy structure, and layer board 19 passes through balance gear 18 and constitutes sliding structure around the inside of box 1, be convenient for drive clamping device 24 and slide around going on, convenient stable slip, be convenient for stable use, like fig. 1, tray 22 sets up about backup pad 23 bilateral symmetry in fig. 4 and fig. 6, and tray 22 constitutes sliding structure on backup pad 23, be convenient for carry out the centre gripping to the circuit board of equidimension not fixed, appear sliding when avoiding cutting, influence the use.

Like backup pad 23 and dog 25 constitution "T" style of calligraphy structure in fig. 1 and fig. 6, and the thickness size of regulating plate 27 is less than the height size of dog 25, and regulating plate 27 constitutes elevation structure on dog 25, it is fixed to conveniently carry out the centre gripping to the circuit board, facilitate the use, like support frame 2401 is "T" style of calligraphy structure in fig. 1 and fig. 5, and splint 2403 is the slope setting on support frame 2401, and bumping post 2405 constitutes extending structure in splint 2403's inside, be convenient for carry out the centre gripping to the circuit board and fix, also have certain elasticity, avoid the extrusion damage, be convenient for carry on spacingly to the side of circuit board, prevent to slide.

The working principle is as follows: when the noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board is used, firstly, as shown in fig. 1, fig. 4, fig. 5 and fig. 6, the circuit board to be cut is placed on the supporting plate 23 at the front side, the switch of the adjusting motor 21 is turned on according to the width size of the circuit board, the adjusting motor 21 drives the two-way screw rod 20 to rotate, the two-way screw rod 20 drives the supporting block 22 to slide, so that the clamping device 24 is conveniently installed at the side edge of the circuit board, when the circuit board is contacted with the clamping plate 2403, the clamping plate 2403 is conveniently extruded, so that the clamping plate 2403 is conveniently turned upwards, the large spring 2402 is conveniently extruded, so that the elastic force of the large spring 2402 is conveniently utilized to extrude the clamping plate 2403, the limiting extrusion is conveniently provided for the circuit board, the sliding is avoided, the circuit board is contacted with the blocking column 2405, the limiting is conveniently carried out for the limiting on the side wall of the, the circuit board is conveniently extruded and fixed by the adjusting plate 27, the supporting plate 19 is pushed backwards in the box body 1 through the balance gear 18, the circuit board is clamped on the supporting plate 23 on the rear side, the switch of the adjusting motor 21 on the rear side is opened, the adjusting motor 21 drives the two-way screw rod 20 to rotate, the distance size of the supporting block 22 is adjusted, and therefore the circuit board is conveniently clamped and fixed, the switch of the second hydraulic rod 31 is opened according to the size to be cut, the second hydraulic rod 31 drives the toothed plate 5 to slide in the sound insulation cotton plate 4, the distance size between the laser cutting machine 9 and the inner wall of the box body 1 is adjusted, and cutting is facilitated;

when the cutting operation is performed, as shown in fig. 1, 2 and 3, the first hydraulic rod 3, the motor box 6, the dust collector 8 and the laser cutting machine 9 are opened, the first hydraulic rod 3 is retracted downwards, the soundproof cotton plate 4 is convenient to contact with the upper end of the box body 1, so that a sealed environment is convenient to maintain, noise generated during cutting is reduced, then the motor box 6 drives the movable gear 10 to rotate, so that the movable gear 10 is meshed with the inner wall of the toothed plate 5, the adjusting and mounting shell 7 slides left and right on the toothed plate 5, so that the circuit board is convenient to cut, the dust collector 8 extracts dust from the dust collection head 15 to the inside of the dust collector 8 through the connecting pipe 11, the hose 12 and the dust collection pipe 14, so that dust collection is convenient, the protective cover 13 is of a circular arc-shaped structure, so that dust is convenient to shield and prevent splashing, after the cutting operation is completed, the second telescopic rod 3201 of the pushing device 32 is turned upwards on the mounting block 3202 to, it is fixed through fixed knot 3203, adjust second telescopic link 3201's length, pass through the bolt fastening between second telescopic link 3201's the monomer, promote layer board 19 backward on chamber door 2, open the accommodate motor 21 switch of rear side simultaneously, carry out the antiport, thereby be convenient for collect in collecting box 33 with the one end propelling movement that the circuit board cut off, facilitate the use, and the model of motor case 6 and accommodate motor 21 that use above is XD-60KTYZ, conveniently adjust just reversing, this is exactly the whole process that noiseless formula cutting equipment used for circuit board production and processing of adjustable size uses.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but circuit board production and processing of accurate regulation size is with noiseless formula cutting equipment, includes box (1), first hydraulic stem (3), motor case (6), dust absorption head (15), accommodate motor (21) and second hydraulic stem (31), its characterized in that: the box is characterized in that the front end of the box body (1) is hinged with a box door (2), a first hydraulic rod (3) is fixedly connected to the corner of the upper end of the box body (1), the right end of the box door (2) on the left side is connected with a pushing device (32) in a penetrating manner, the pushing device (32) comprises a second telescopic rod (3201), an installation block (3202), a fixing buckle (3203), a rubber ball (3204) and a pull ring (3205), the rear end of the second telescopic rod (3201) is rotatably connected to the installation block (3202), the second telescopic rod (3201) is fixedly connected to the installation block (3202) through the fixing buckle (3203), the pull ring (3205) is fixedly connected to the front end of the second telescopic rod (3201), the rubber ball (3204) is fixedly connected to the rear end of the installation block (3202), the rubber ball (3204) penetrates through the interior of the box door (2), and a sound insulation cotton plate (4) is fixedly connected to the upper end of the, a toothed plate (5) is arranged and connected in the middle of the inner wall of the soundproof cotton plate (4), a moving gear (10) is meshed and connected to the lower side of the toothed plate (5), the front end and the rear end of the moving gear (10) are rotatably connected to the middle of the motor box (6), the upper end of the motor box (6) is connected to the inner wall of the toothed plate (5), a connecting block (29) is fixedly connected to the lower end of the motor box (6), a mounting shell (7) is fixedly connected to the lower end of the connecting block (29) through bolts, a laser cutting machine (9) is arranged and connected to the lower end of the interior of the mounting shell (7), a dust collector (8) is arranged and connected to the upper side of the laser cutting machine (9), connecting pipes (11) are communicated with the left end and the right end of the dust collector (8), a hose (12) is communicated with the lower end of the connecting pipe (11, the dust collection pipe (14) penetrates through the interior of the protective cover (13), the lower end of the protective cover (13) is hinged to the lower end of the outer wall of the mounting shell (7), and the upper end of the protective cover (13) is fixedly connected with a hanging ring (16);

the inner part of the lower end of the box body (1) is fixedly connected with a rack (17), the upper side of the rack (17) is meshed with a balance gear (18), the balance gear (18) is rotatably connected onto a supporting plate (19) on the front side, sliders (30) are fixedly connected to the left end and the right end of the supporting plate (19) on the front side, a two-way screw (20) is rotatably connected into the supporting plate (19), an adjusting motor (21) is fixedly connected to the right end of the two-way screw (20) through a bolt, a supporting block (22) is in threaded connection with the outer surface of the two-way screw (20), a supporting plate (23) is in through connection with the upper end of the supporting block (22), a check block (25) is fixedly connected to the middle part of the upper end of the supporting plate (23) on the front side, an adjusting groove (26) is formed in the middle part of the, adjusting plate (27) and the junction fixed mounting of adjustment tank (26) have first telescopic link (28), and first telescopic link (28) erection joint is in the up end of dog (25), the last fixed surface of tray (22) is connected with clamping device (24), and tray (22) fixed connection of rear side is on the inner wall of box (1), the back lower extreme fixedly connected with collecting box (33) of box (1).

2. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the inside front end fixed mounting of soundproof cotton board (4) has second hydraulic stem (31), and the output fixedly connected with pinion rack (5) of second hydraulic stem (31) to sliding structure around pinion rack (5) constitutes in the inside of soundproof cotton board (4).

3. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: motor case (6) set up about the axis bilateral symmetry of pinion rack (5), and motor case (6) constitute horizontal sliding structure through moving gear (10) on the inner wall of pinion rack (5) to constitute the welding integral structure between motor case (6) and connecting block (29).

4. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the installation shell (7) is a hollow groove-shaped structure, the protection covers (13) connected with the left side and the right side of the installation shell (7) are of arc-shaped structures, and the width dimension of the protection covers (13) is equal to the front width dimension and the rear width dimension of the installation shell (7).

5. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the outer surface of the dust collection head (15) on the protective cover (13) is distributed at equal angles, a communicating structure is formed between the dust collection head (15) and the dust collection pipe (14), and the protective cover (13) and the outer wall of the mounting shell (7) form a dismounting structure through a hanging ring (16).

6. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the longitudinal section of the supporting plate (19) is of a concave-shaped structure, and the supporting plate (19) forms a front-back sliding structure in the box body (1) through a balance gear (18).

7. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the support blocks (22) are arranged in bilateral symmetry relative to the support plate (23), and the support blocks (22) form a sliding structure on the support plate (23).

8. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: the support plate (23) and the stop block (25) form an inverted T-shaped structure, the thickness of the adjusting plate (27) is smaller than the height of the stop block (25), and the adjusting plate (27) forms a lifting structure on the stop block (25).

9. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 1, wherein the noiseless cutting equipment comprises: clamping device (24) include support frame (2401), big spring (2402), splint (2403), little spring (2404) and bumping post (2405), the lower extreme fixed connection of support frame (2401) is in the upper surface of tray (22), and the one end hinged joint that tray (22) were kept away from in support frame (2401) has splint (2403), be connected with big spring (2402) between splint (2403) and support frame (2401), the lower extreme through connection of splint (2403) has bumping post (2405), fixedly connected with little spring (2404) between bumping post (2405) and splint (2403) inner wall.

10. The noiseless cutting equipment capable of accurately adjusting the size for producing and processing the circuit board according to claim 9, wherein: the support frame (2401) is of a T-shaped structure, the clamping plate (2403) is obliquely arranged on the support frame (2401), and the blocking column (2405) forms a telescopic structure in the clamping plate (2403).