CN116213782A

CN116213782A - Machining center for CNC (computerized numerical control) precise metal machined part

Info

Publication number: CN116213782A
Application number: CN202310504754.XA
Authority: CN
Inventors: 龚凤云; 胡潇楠
Original assignee: Guangzhou Rabbit Industry Co ltd
Current assignee: Guangzhou Rabbit Industry Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-06-06
Anticipated expiration: 2043-05-08
Also published as: CN116213782B

Abstract

The invention discloses a machining center of CNC precision metal workpieces, which comprises a base, wherein fixing plates are arranged at the middle positions of two sides of the top of the base, fixing mechanisms are arranged on two sides, close to each other, of the fixing plates, mounting side plates are arranged on two sides of the top of the base, and driving rollers are arranged at two ends, close to each other, of the top of the two groups of mounting side plates. According to the invention, when the drill bit moves downwards, the two groups of trigger mechanisms are driven to move downwards simultaneously, the two groups of wedge blocks slide on the inclined sides of the wedge blocks through the trigger rods, the two groups of U-shaped clamps are driven to approach each other through the two groups of telescopic rods, the workpiece on the conveying belt is clamped, the U-shaped clamps are fixed through the mutual engagement between the first thorn racks and the second thorn racks, the workpiece can be continuously fixed, the time for manually clamping is reduced, the drill bit is automatically clamped in the moving process, and the workload is greatly reduced.

Description

Machining center for CNC (computerized numerical control) precise metal machined part

Technical Field

The invention relates to the technical field of machining centers of metal machined parts, in particular to a machining center of CNC precise metal machined parts.

Background

With the increase of labor cost, market competition among various production enterprises is increased, and metal processing is developed towards automation so as to reduce production cost. At this time, a metal working center for performing mechanical working such as cutting, drilling, carving, cutting, and the like on a metal raw material piece has been developed. The metal working center naturally requires continuous supply of metal stock pieces at the time of working.

The current metal processing center has the following defects:

when the workpiece is machined, the workpiece is required to be fixed and limited, but when the workpiece is clamped during machining, the workpiece is required to be manually fed onto a fixed table top, and a great amount of time is required for feeding and clamping, so that the labor capacity is increased, meanwhile, certain potential safety hazards exist when the workpiece is operated in the operation center, and the clamping is not necessarily very firm;

after the processing of the workpieces is finished, the workpieces are required to be disassembled manually, and the processing time is delayed in the process, so that the time required by the processing of single workpieces is increased, the labor capacity is increased, and the processing of large-batch metal workpieces is excessive and insufficient;

simultaneously when drilling the metal workpiece, can produce a large amount of piece and splash, operating personnel is observing the room, can make the piece splash to inside the glasses easily, causes the injury to personnel, and the piece splashes out the table surface simultaneously, still need clean ground once more after finishing processing.

Disclosure of Invention

The present invention is directed to a machining center for CNC precision metal workpieces, which solves the above-mentioned problems associated with the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a CNC precision metal machined part's machining center, includes the base, the intermediate position department of base top both sides is provided with the fixed plate, two sets of one side that the fixed plate is close to each other all is provided with fixed establishment, the both sides at base top are provided with the installation curb plate, two sets of the both ends at the top that the installation curb plate is close to one side each other are provided with the driving roller, the outside cover of driving roller is equipped with two sets of conveyer belts, two sets of the intermediate position department that one side bottom was kept away from each other to the installation curb plate has seted up logical groove, two sets of the inside slip of logical groove is provided with the connecting rod, the both sides at connecting rod top are provided with the bracing piece, two sets of the top of bracing piece is provided with the second thorn rack, the intermediate position department at base top is provided with first hydraulic push rod, the back one end at base top is provided with the support mainboard, the bottom of support mainboard front one end is provided with the discharge gate, the both sides at the inside top of support mainboard are provided with the second hydraulic push rod, two sets of the output of second hydraulic push rod is provided with the trigger mechanism, the both sides of mounting panel are provided with trigger mechanism, the top is provided with the motor drive block, the top is provided with the fixed frame each other, two sets of the top is provided with the top of the drill bit, two sets are close to the bottom of the fixed sleeve, two sets of sides are equipped with the fixed frame.

Preferably, the fixing mechanism comprises a telescopic tube, a first thorn rack, a telescopic rod, a U-shaped clamp, wedge blocks, sliding grooves and a first spring, wherein the telescopic tube is provided with two groups of top parts which are respectively positioned at one side of the two groups of fixing plates, the two groups of top parts and the bottom parts of the telescopic tube are respectively provided with the sliding grooves, one side which is far away from each other inside the telescopic tube is provided with the first spring, one side which is close to each other of the first spring is provided with the telescopic rod, one side which is close to each other of the telescopic rod is provided with the U-shaped clamp, and the two groups of top parts and the bottom parts of the telescopic rod are respectively provided with the wedge blocks and the first thorn rack.

Preferably, the trigger mechanism includes installation sleeve, reset spring, hydraulic switch, ring, kicking block and trigger lever, the installation sleeve is provided with two sets of both sides that are located the mounting panel respectively, two sets of the inside top of installation sleeve is provided with hydraulic switch, the inboard top of installation sleeve is provided with the ring, two sets of the edge of ring bottom is provided with reset spring, two sets of reset spring's top is provided with the trigger lever, two sets of the top of trigger lever is provided with the kicking block.

Preferably, the top block is located at the bottom of the circular ring, and the top block and the circular ring slide mutually.

Preferably, the wedge block and the first thorn rack slide with each other, and the second thorn rack is meshed with the first thorn rack.

Preferably, the bottom of the drill bit penetrates through the inside of the mounting plate and extends to the inside of the shielding frame, and the drill bit and the shielding frame are mutually matched.

Preferably, the trigger rod is located right above the wedge block, and the bottom of the trigger rod and the bevel edge of the wedge block slide mutually.

Preferably, the tooth surfaces of the first thorn rack and the second thorn rack are arranged oppositely, the inclined surfaces of the teeth slide mutually, and the first thorn rack is positioned above the second thorn rack and meshed mutually.

Preferably, a rectangular extrusion frame is arranged at the edge of the bottom of the shielding frame, and a sealing strip is arranged at the bottom of the rectangular extrusion frame.

Preferably, the outside of driving motor is provided with the motor storehouse, and the inboard in motor storehouse is provided with amortization cotton.

Compared with the prior art, the invention provides a machining center of CNC precise metal workpieces, which has the following beneficial effects:

1. according to the invention, the driving roller drives the two groups of conveyor belts to move, workpieces on the conveyor belts can be driven to the lower part of the drill bit and positioned between the two groups of U-shaped clamps, at the moment, the driving roller stops moving, when the drill bit moves downwards, the two groups of trigger mechanisms are driven to move downwards simultaneously, the two groups of wedge blocks slide on the inclined sides of the wedge blocks through the trigger rods, the two groups of wedge blocks drive the two groups of U-shaped clamps to approach each other through the two groups of telescopic rods, the workpieces on the conveyor belts are clamped, the U-shaped clamps are fixed through the mutual engagement between the first thorn racks and the second thorn racks, the continuous fixing of the workpieces can be realized, the time for manually clamping is reduced, the drill bit is automatically clamped in the moving process, and the workload is greatly reduced.

2. According to the invention, the two groups of first thorn racks can be released and fixed by utilizing the movement of the two groups of second thorn racks, when the drill bit moves upwards after clamping a workpiece, the hydraulic switch and the jacking block are separated from each other under the elasticity of the reset spring, the hydraulic switch controls the first hydraulic push rod to reset at the moment, the first hydraulic push rod drives the connecting rod to move downwards, the two groups of support rods drive the second thorn racks to separate from the first thorn racks, and the two groups of telescopic rods reset under the tension of the first spring, so that the clamping and fixing of the workpiece by the two groups of U-shaped clamps are released.

3. According to the invention, when the drill bit moves downwards, the shielding frame is driven to move downwards through the two groups of fixing rods, the bottom of the shielding frame is lower than the tail end of the drill bit, so that the shielding frame is firstly contacted with a workpiece, the mounting plate moves continuously, the fixing rods pull the third spring to move continuously, the elasticity of the third spring is increased, the contact between the shielding frame and the workpiece is more stable, and meanwhile, the shielding blocking of chips generated by the work of the drill bit can be realized, and meanwhile, the noise generated during processing can be reduced.

Drawings

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

FIG. 2 is a top cross-sectional view of the present invention;

FIG. 3 is a front cross-sectional view of the securing mechanism of the present invention;

FIG. 4 is a diagram illustrating the meshing of a first ratchet rack and a second ratchet rack according to the present invention;

fig. 5 is a front cross-sectional view of the trigger mechanism of the present invention.

In the figure: 1. a base; 2. a fixing mechanism; 201. a telescoping tube; 202. a first thorn rack; 203. a telescopic rod; 204. a U-shaped clamp; 205. wedge blocks; 206. a chute; 207. a first spring; 3. a trigger mechanism; 301. a mounting sleeve; 302. a return spring; 303. a hydraulic switch; 304. a circular ring; 305. a top block; 306. a trigger lever; 4. a conveyor belt; 5. a through groove; 6. a first hydraulic pushrod; 7. a connecting rod; 8. a driving roller; 9. a support rod; 10. a second thorn rack; 11. a fixing plate; 12. a fixed rod; 13. a second hydraulic pushrod; 14. a driving motor; 15. a drill bit; 16. a shadow frame; 17. a mounting plate; 18. sleeving blocks; 19. a third spring; 20. installing a side plate; 21. supporting a main board; 22. and a discharge port.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the machining center of CNC precision metal machined part, including base 1, the intermediate position department of base 1 top both sides is provided with fixed plate 11, the one side that two sets of fixed plates 11 are close to each other all is provided with fixed establishment 2, the both sides at base 1 top are provided with installation curb plate 20, the both ends at the top that two sets of installation curb plate 20 are close to one side each other are provided with driving roller 8, the outside cover of driving roller 8 is equipped with two sets of conveyer belts 4, the intermediate position department that two sets of installation curb plate 20 kept away from one side bottom each other has offered logical groove 5, the inside slip of two sets of logical groove 5 is provided with connecting rod 7, the both sides at connecting rod 7 top are provided with bracing piece 9, the top of two sets of bracing piece 9 is provided with second thorn rack 10, the intermediate position department at base 1 top is provided with first hydraulic push rod 6, the back one end at base 1 top is provided with support mainboard 21, the bottom of support mainboard 21 front one end is provided with discharge gate 22, the both sides at the inside top of support mainboard 21 are provided with second hydraulic push rod 13, the output of two sets of second hydraulic push rod 13 are provided with 17, the both sides of mounting panel 17 are provided with trigger mechanism 3, the top of 17 is provided with motor 14, the top of 17 is provided with the motor 14, the output block 14 of one side of two sets of drive plate 14 is provided with the two sets of 13, the two sets of drive plate 12 sets of 13 are provided with the fixed frame 12, the top 12 is provided with the two sets of 13, the outside of 13 is provided with the fixed frame 12, the top 12 is provided with the top 12, two sides 12 is provided with the top 12.

As a preferable scheme of the present embodiment: the fixing mechanism 2 comprises a telescopic sleeve 201, a first thorn rack 202, a telescopic rod 203, a U-shaped clamp 204, wedge blocks 205, sliding grooves 206 and first springs 207, wherein the telescopic sleeve 201 is provided with two groups of tops which are respectively positioned on one sides of the two groups of fixing plates 11 and close to each other, the sliding grooves 206 are respectively formed in the tops and the bottoms of the two groups of telescopic sleeve 201, the first springs 207 are arranged on one sides, away from each other, of the two groups of telescopic sleeve 201, the telescopic rods 203 are arranged on one sides, close to each other, of the two groups of telescopic rods 203, the U-shaped clamp 204 is arranged on one side, close to each other, of the two groups of telescopic rods 203, and the wedge blocks 205 and the first thorn racks 202 are respectively arranged on the tops and the bottoms of the two groups of telescopic rods 203 so that workpieces can be automatically clamped and fixed.

As a preferable scheme of the present embodiment: the trigger mechanism 3 comprises a mounting sleeve 301, a return spring 302, a hydraulic switch 303, a circular ring 304, a top block 305 and a trigger rod 306, wherein the mounting sleeve 301 is provided with two groups of hydraulic switches 303 which are respectively positioned on two sides of the mounting plate 17, the top of the inside of the two groups of mounting sleeves 301 is provided with the circular ring 304, the edge of the bottom of the two groups of circular rings 304 is provided with the return spring 302, the tops of the two groups of return springs 302 are provided with the trigger rod 306, the tops of the two groups of trigger rods 306 are provided with the top block 305, and the first hydraulic push rod 6 works.

As a preferable scheme of the present embodiment: the top block 305 is located at the bottom of the ring 304, and the top block 305 and the ring 304 slide with each other, so that the top block 305 can pass through the inside of the ring 304.

As a preferable scheme of the present embodiment: the wedge 205 and the first ratchet rack 202 slide with each other, and the second ratchet rack 10 and the first ratchet rack 202 mesh with each other, so that the first ratchet rack 202 can be fixed.

As a preferable scheme of the present embodiment: the bottom of the drill bit 15 penetrates through the inside of the mounting plate 17 and extends to the inside of the shielding frame 16, the drill bit 15 and the shielding frame 16 are mutually matched, and the shielding frame 16 can wrap the drill bit 15.

As a preferable scheme of the present embodiment: the trigger lever 306 is located right above the wedge 205, and the bottom of the trigger lever 306 and the oblique side of the wedge 205 slide each other, so that the downward movement of the trigger lever 306 can push the wedge 205 to move horizontally.

As a preferable scheme of the present embodiment: the tooth surfaces of the first thorn rack 202 and the second thorn rack 10 are arranged oppositely, the inclined surfaces of the teeth slide mutually, and the first thorn rack 202 is positioned above the second thorn rack 10 and meshed mutually, so that the first thorn rack 202 can only move in a certain direction.

As a preferable scheme of the present embodiment: the edge of the bottom of the shielding frame 16 is provided with a rectangular extrusion frame, and the bottom of the rectangular extrusion frame is provided with a sealing strip, so that the shielding frame 16 has a good shielding effect on splashing.

As a preferable scheme of the present embodiment: the outside of driving motor 14 is provided with the motor storehouse, and the inboard in motor storehouse is provided with amortization cotton, reduces the noise that driving motor 14 work produced.

In embodiment 1, as shown in fig. 1, 3 and 5, when the drill bit 15 moves downward, two sets of trigger mechanisms 3 are driven to move downward simultaneously, firstly, when the trigger rod 306 contacts with the inclined edge of the wedge block 205, the trigger rod 306 stops moving at this time, so that the trigger rod 306 moves relatively upward in the mounting sleeve 301, the mounting sleeve 301 moves downward to squeeze the return spring 302, so that the trigger rod 306 and the top block 305 approach and contact with the hydraulic switch 303 gradually, the hydraulic switch 303 is opened, so that the first hydraulic push rod 6 is electrified to work, the connecting rod 7, the supporting rod 9 and the second ratchet rack 10 are pushed to move upward, at this time, the trigger rod 306 and the mounting sleeve 301 cannot move relatively, so that the mounting sleeve 301 moves downward as a whole, the trigger rod 306 extrudes two groups of wedge blocks 205, make two groups of wedge blocks 205 be close to each other under the effect of hypotenuse, drive two groups of U type clamps 204 to be close to each other and carry out the centre gripping to the work piece, simultaneously first thorn rack 202 moves along with telescopic link 203 and the tooth on the second thorn rack 10 slides each other, make the second thorn rack 10 accomplish fixedly to first thorn rack 202, carry out the centre gripping to the work piece on the conveyer belt 4, through the intermesh between first thorn rack 202 and the second thorn rack 10, fix U type clamp 204, can carry out continuous fixation to the work piece, reduce the time that the manual work carried out the centre gripping, make drill bit 15 carry out the centre gripping automatically at the in-process that removes, greatly reduced work load.

In embodiment 2, as shown in fig. 1-5, when the drill bit 15 moves upwards after clamping the workpiece, the mounting sleeve 301 is driven to move upwards, at this time, the hydraulic switch 303 and the top block 305 are separated from each other under the elasticity of the return spring 302, at this time, the hydraulic switch 303 controls the first hydraulic push rod 6 to reset, so that the first hydraulic push rod 6 drives the connecting rod 7 to move downwards, the two groups of support rods 9 drive the second ratchet rack 10 and the first ratchet rack 202 to separate from each other, the two groups of telescopic rods 203 reset under the tension of the first spring 207, the clamping and fixing of the two groups of U-shaped clamps 204 on the workpiece are released, at this time, the transmission roller 8 drives the conveyor belt 4 to drive the workpiece to the next position, and the workpiece to be processed continues to be driven to the lower part of the drill bit 15.

Working principle: firstly, the driving roller 8 drives the two groups of conveyor belts 4 to move, workpieces on the conveyor belts 4 can be driven to the lower part of the drill bit 15 and simultaneously positioned between the two groups of U-shaped clamps 204, at the moment, the driving roller 8 stops moving, when the drill bit 15 moves downwards, the two groups of trigger mechanisms 3 can be driven to move downwards simultaneously, the two groups of wedge blocks 205 slide on the inclined sides of the wedge blocks 205 through the trigger rods 306, the two groups of wedge blocks 205 drive the two groups of U-shaped clamps 204 to approach each other through the two groups of telescopic rods 203, the workpieces on the conveyor belts 4 are clamped, the U-shaped clamps 204 are fixed through the mutual engagement between the first ratchet rack 202 and the second ratchet rack 10, the time for clamping the workpieces by manpower is reduced, the drill bit 15 is automatically clamped in the moving process, and the workload is greatly reduced.

The two groups of second ratchet racks 10 can be moved to release the fixation of the two groups of first ratchet racks 202, when the drill bit 15 moves upwards after clamping the workpiece, the hydraulic switch 303 and the jacking block 305 are separated from each other under the elasticity of the reset spring 302, the hydraulic switch 303 controls the first hydraulic push rod 6 to reset, so that the first hydraulic push rod 6 drives the connecting rod 7 to move downwards, the two groups of support rods 9 drive the second ratchet racks 10 and the first ratchet racks 202 to separate from each other, and the two groups of telescopic rods 203 reset under the tension of the first spring 207 to release the clamping and fixation of the two groups of U-shaped clamps 204 on the workpiece.

When the drill bit 15 moves downwards, the shielding frame 16 and the drill bit 15 are driven to move downwards through the two groups of fixing rods 12, the bottom of the shielding frame 16 is lower than the tail end of the drill bit 15, the shielding frame 16 is firstly contacted with a workpiece, the mounting plate 17 continues to move, the fixing rods 12 pull the third springs 19 to continue to move downwards, the elastic force generated by the third springs 19 is increased, the two groups of third springs 19 pull the sleeve blocks 18 to generate downward trend, the shielding frame 16 is contacted with the workpiece more stably, splashed scraps are shielded, and meanwhile noise generated by work can be reduced.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.

Claims

Machining center of CNC precision metal work piece, including base (1), its characterized in that: the utility model discloses a hydraulic trigger device, which comprises a base (1), a fixed plate (11) is arranged at the middle position of the two sides of the top of the base (1), two groups of fixed plates (11) are arranged at one side close to each other, a fixing mechanism (2) is arranged at one side of the top of the base (1), an installation side plate (20) is arranged at the two sides of the top of the base (1), a driving roller (8) is arranged at the two ends of the top of the installation side plate (20) close to each other, two groups of conveyor belts (4) are sleeved outside the driving roller (8), through grooves (5) are arranged at the middle position of the bottom of the side far away from each other of the installation side plate (20), connecting rods (7) are arranged in the two groups of through grooves (5) in a sliding manner, supporting rods (9) are arranged at two sides of the top of the connecting rods (7), a first hydraulic push rod (6) is arranged at the top of the two groups of the supporting rods (9), a supporting main plate (21) is arranged at one end of the back of the top of the base (1), a supporting main plate (21) is provided with a discharging port (22), a second hydraulic trigger plate (17) is arranged at the two sides of the main plate (17), the top of mounting panel (17) is provided with driving motor (14), the output of driving motor (14) is provided with drill bit (15), the both sides of mounting panel (17) bottom are provided with dead lever (12), and two sets of the outside cover of dead lever (12) is equipped with cover piece (18), and two sets of one side that cover piece (18) are close to each other is provided with shadow frame (16), and two sets of the bottom cover in the dead lever (12) outside is equipped with third spring (19).
2. The machining center for CNC precision metal workpieces of claim 1, wherein: the fixing mechanism (2) comprises a telescopic sleeve (201), a first thorn rack (202), a telescopic rod (203), a U-shaped clamp (204), a wedge block (205), sliding grooves (206) and a first spring (207), wherein the telescopic sleeve (201) is provided with two groups of tops which are respectively positioned on one sides of two groups of fixing plates (11) which are close to each other, the sliding grooves (206) are respectively formed in the tops and the bottoms of the telescopic sleeve (201), the first springs (207) are arranged on one sides, far away from each other, of the two groups of telescopic sleeve (201), the telescopic rod (203) is arranged on one side, close to each other, of the first springs (207), the U-shaped clamp (204) is arranged on one side, close to each other, of the telescopic rod (203), and the wedge block (205) and the first thorn rack (202) are respectively arranged on the tops and the bottoms of the telescopic rod (203).
3. The machining center for CNC precision metal workpieces of claim 1, wherein: the trigger mechanism (3) comprises a mounting sleeve (301), a reset spring (302), a hydraulic switch (303), a circular ring (304), a jacking block (305) and a trigger rod (306), wherein the mounting sleeve (301) is provided with two groups of hydraulic switches (303) which are respectively arranged on two sides of a mounting plate (17), the top of the inside of the mounting sleeve (301) is provided with the hydraulic switch (303), the top of the inside of the mounting sleeve (301) is provided with the circular ring (304), the edge of the bottom of the circular ring (304) is provided with the reset spring (302), the top of the reset spring (302) is provided with the trigger rod (306), and the top of the trigger rod (306) is provided with the jacking block (305).
4. The machining center for CNC precision metal workpieces of claim 3, wherein: the top block (305) is located at the bottom of the circular ring (304), and the top block (305) and the circular ring (304) slide mutually.
5. The machining center for CNC precision metal workpieces of claim 2, wherein: the wedge block (205) and the first thorn rack (202) slide with the chute (206), and the second thorn rack (10) is meshed with the first thorn rack (202).
6. The machining center for CNC precision metal workpieces of claim 1, wherein: the bottom of the drill bit (15) penetrates through the inside of the mounting plate (17) and extends to the inside of the shielding frame (16), and the drill bit (15) and the shielding frame (16) are mutually matched.
7. The machining center for CNC precision metal workpieces of claim 3, wherein: the trigger rod (306) is positioned right above the wedge-shaped block (205), and the bottom of the trigger rod (306) and the bevel edge of the wedge-shaped block (205) slide mutually.
8. The machining center for CNC precision metal workpieces of claim 2, wherein: the first thorn rack (202) and the second thorn rack (10) are oppositely arranged on tooth surfaces, inclined surfaces of the teeth slide mutually, and the first thorn rack (202) is positioned above the second thorn rack (10) and meshed mutually.
9. The machining center for CNC precision metal workpieces of claim 1, wherein: a rectangular extrusion frame is arranged at the edge of the bottom of the shielding frame (16), and a sealing strip is arranged at the bottom of the rectangular extrusion frame.
10. The machining center for CNC precision metal workpieces of claim 1, wherein: the outside of driving motor (14) is provided with the motor storehouse, and the inboard in motor storehouse is provided with amortization cotton.