CN112371863B

CN112371863B - Demoulding device for CNC (computer numerical control) machining center machine tool

Info

Publication number: CN112371863B
Application number: CN202011169446.9A
Authority: CN
Inventors: 李军
Original assignee: Dongguan Taco Cnc Machine Co ltd
Current assignee: DONGGUAN TACO CNC MACHINE Co.,Ltd.
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-09
Anticipated expiration: 2040-10-28
Also published as: CN112371863A

Abstract

The invention discloses a demoulding device for a CNC (computer numerical control) machining center machine tool, which comprises a numerically-controlled machine tool body, a lower die holder and a supporting table, wherein a hanging rod is arranged above the numerically-controlled machine tool body, an upper demoulding mechanism is arranged below the hanging rod, a sliding block is sleeved outside the hanging rod, a clamping plate is arranged below the sliding block, an accommodating groove is formed in the clamping plate, a first spring is arranged in the accommodating groove, and a fastening rod is connected to the outside of the first spring. This shedder is used to CNC numerical control machining center lathe, conveniently make the mutual synchronous reverse motion of connecting block through the reverse screw thread each other on the second lead screw, thereby drive the grip block and remove, through the slip of slider on the jib, the stability of removal is increased at the in-process that removes to the grip block to the convenience, the firm of the grip block of being convenient for, it is fixed to conveniently carry out the centre gripping to the work piece through the grip block that removes, thereby can not take place the offset when carrying out drawing of patterns man-hour, be favorable to the steadiness of drawing of patterns work.

Description

Demoulding device for CNC (computer numerical control) machining center machine tool

Technical Field

The invention relates to the technical field of CNC (computer numerical control) machine tools, in particular to a demoulding device for a CNC machine center.

Background

CNC (numerical control machine) is a computer numerical control machine tool for short, and is a program-controlled automatic machine tool, the control system can logically process the program with control code or other symbol instruction regulation, and decode it by computer so as to make the machine tool execute the action regulated, and the blank material can be machined into semi-finished product parts by cutting tool, the numerical control system includes the portions of numerical control device, programmable controller, main shaft driver and feeding device, etc., and the numerical control machining center is a numerical control machine tool with tool magazine and capable of automatically changing tool, and can make several machining operations on the workpiece in a certain range.

1. In the existing demoulding device for the CNC machining center machine tool, workpieces are generally required to be fastened and positioned before being demoulded, in order to prevent the workpieces from sliding in the demoulding process, the general structure for fixing the workpieces is too complex, some workpieces are required to be manually operated, the use is inconvenient, the fixing structure for the workpieces can also be loosened after being used for a long time, auxiliary secondary fixing clamping is not provided, so that the demoulding work is influenced, and the working efficiency is reduced;

2. in current CNC machining center is shedder for lathe, because the in-process at the drawing of patterns receives the vibrations of taking equipment, lead to shedder and whole equipment to rock, thereby the influence is difficult to the location at drawing of patterns during operation, lead to the drawing of patterns to take place the deviation, the drawing of patterns is difficult, the operation of the work of drawing of patterns of being not convenient for is used, and the work piece generally is receiving the inseparable block of die in punching press back work piece and the shedder of digit control machine tool processing man-hour, lead to being convenient for take out at the drawing of patterns in-process, lead to drawing of patterns speed slow, it is not convenient and.

We have therefore proposed a demoulding device for CNC machining centres, in order to solve the problems set out above.

Disclosure of Invention

The invention aims to provide a demoulding device for a CNC (computer numerical control) machining center machine tool, which solves the problems that in the existing demoulding device for the CNC machining center machine tool, workpieces are required to be fastened and positioned before demoulding, the workpieces are required to be prevented from sliding in the demoulding process, the general structure for fixing the workpieces is too complicated, some workpieces are required to be manually operated, the workpieces are inconvenient to use, the fixing structure for the workpieces is loosened after long-term use, auxiliary secondary fixing clamping is not provided, demoulding work is influenced, and the working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a demoulding device for a CNC (computer numerical control) machining center machine tool comprises a numerically-controlled machine tool body, a lower die holder and a supporting table, wherein a hanging rod is arranged above the numerically-controlled machine tool body, an upper demoulding mechanism is arranged below the hanging rod, a sliding block is sleeved outside the hanging rod, a clamping plate is arranged below the sliding block, a containing groove is formed in the clamping plate, a first spring is arranged inside the containing groove, a fastening rod is connected to the outside of the first spring, a winding shaft is arranged outside the fastening rod, a pull rope is wound outside the winding shaft, the pull rope is bound outside a pressing block, the pressing block is located inside the connecting rod, the connecting rod is mounted outside the numerically-controlled machine tool body, the lower die holder is located below the upper demoulding mechanism, a push rod is arranged below the lower die holder, and a telescopic rod is sleeved outside the push rod, the utility model discloses a die holder, including telescopic link, die holder, slide plate, supporting bench, connecting block, base, damping spring, supporting bench, base, supporting bench, connecting block, clamping groove, and the internal connection of clamping groove has the lug, the external connection of lug has the third spring, and the third spring setting is in the inside of ejector pin, the inside of die holder is provided with first lead screw, and the outside of first lead screw has cup jointed the slide to the externally mounted of slide has the thimble, the supporting bench is located the below of die holder, and the inside of supporting bench is provided with the second lead screw to the connecting block has been cup jointed to the outside of second lead screw, the base is installed to the bottom of.

Preferably, the sliding block and the suspension rod form a sliding structure, and the sliding block is connected with the clamping plate in a welding mode.

Preferably, the fastening rod and the clamping plate form a sliding structure, and the winding shaft and the fastening rod form a rotating structure.

Preferably, the pressing block and the connecting rod form a sliding structure, and the fastening rod and the connecting rod form a telescopic structure.

Preferably, the ejector rod and the telescopic rod form a sliding structure, and the ejector rod is connected with the stripper plate in a welding mode.

Preferably, an arc-shaped arc surface is arranged at an opening above the clamping groove, and the clamping groove is connected with the bump in a clamping manner.

Preferably, a spring column connected with the protruding block in a sliding manner is arranged inside the third spring, and the protruding block and the telescopic rod form a sliding structure.

Preferably, the first screw rod is in threaded connection with the sliding plate, and the rotation directions of the first screw rod are opposite to each other.

Preferably, the second screw rod is in threaded connection with the connecting block, and the surface of the second screw rod is provided with opposite threads.

Preferably, the bracing piece contains slide bar, buffer spring and mobile jib, and sliding connection has the slide bar between the bracing piece to the outside of slide bar is provided with buffer spring, and the inside of slide bar is provided with sliding connection's mobile jib simultaneously.

Compared with the prior art, the invention has the beneficial effects that: the demoulding device for the CNC machining center machine tool;

1. the connecting blocks can synchronously and reversely move through the mutually reverse threads on the second lead screw, so that the clamping plate is driven to move, the stability of movement of the clamping plate in the moving process is increased conveniently through the sliding of the sliding block on the hanging rod, the stability of the clamping plate is convenient, and a workpiece can be clamped and fixed conveniently through the movable clamping plate, so that the position deviation cannot occur during demoulding processing, and the stability of demoulding operation is facilitated;

2. the clamping plate is connected with the clamping plate in a clamping manner through the clamping rod, so that auxiliary fixing supporting force is conveniently provided for the clamping plate when a workpiece is clamped, the clamping and fixing stability is improved, the clamping mechanism which works for a long time is prevented from loosening through secondary auxiliary fixing, and the working efficiency is improved;

3. when being rocked by the outside, the sliding rod is enabled to move on the main rod in a small amplitude, the sliding rod is matched to move on the supporting rod, the sliding rod stretches the buffer spring when moving, the sliding rod is enabled to be kept stable all the time through the buffer spring, further rocking caused by external impact is reduced, a good buffering effect is achieved for supporting balance force of the bottom, the whole device is enabled to be more stable, the possibility of workpiece demoulding and shifting is reduced, and the demoulding efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall front structure 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 top view of the fastening rod and connecting rod of the present invention;

FIG. 4 is a schematic view of the front internal structure of the ejector rod and the telescopic rod of the present invention;

FIG. 5 is a schematic view of a connection structure of a bump and a slot according to the present invention;

FIG. 6 is a front view of the first lead screw and the slide plate of the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a numerical control machine tool body; 2. a boom; 3. an upper demolding mechanism; 4. a slider; 5. a clamping plate; 6. a receiving groove; 7. a first spring; 8. a fastening rod; 9. a winding shaft; 10. pulling a rope; 11. a pressing block; 12. a connecting rod; 13. a lower die holder; 14. a stripper plate; 15. a top rod; 16. a telescopic rod; 17. a second spring; 18. a card slot; 19. a bump; 20. a third spring; 21. a first lead screw; 22. a slide plate; 23. a thimble; 24. a support table; 25. a second lead screw; 26. connecting blocks; 27. a base; 28. a damping spring; 29. a support plate; 30. a support bar; 301. a slide bar; 302. a buffer spring; 303. the main pole.

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 demoulding device for a CNC (computer numerical control) machining center machine tool comprises a numerically-controlled machine tool body 1, a lower die holder 13 and a supporting table 24, wherein a hanging rod 2 is arranged above the numerically-controlled machine tool body 1, an upper demoulding mechanism 3 is arranged below the hanging rod 2, a sliding block 4 is sleeved outside the hanging rod 2, a clamping plate 5 is arranged below the sliding block 4, a containing groove 6 is formed in the clamping plate 5, a first spring 7 is arranged inside the containing groove 6, a fastening rod 8 is connected to the outside of the first spring 7, a winding shaft 9 is arranged outside the fastening rod 8, a pull rope 10 is wound outside the winding shaft 9, the pull rope 10 is bound outside a pressing block 11, the pressing block 11 is located inside a connecting rod 12, the connecting rod 12 is arranged outside the numerically-controlled machine tool body 1, the lower die holder 13 is located below the upper demoulding mechanism 3, and a demoulding plate 14 is arranged inside the lower die holder 13, an ejector rod 15 is arranged below the stripper plate 14, a telescopic rod 16 is sleeved outside the ejector rod 15, a second spring 17 is arranged inside the telescopic rod 16, a clamping groove 18 is formed in the side wall of the telescopic rod 16, a convex block 19 is connected inside the clamping groove 18, a third spring 20 is connected outside the convex block 19 and is arranged inside the ejector rod 15, a first screw rod 21 is arranged inside the lower die holder 13, a sliding plate 22 is sleeved outside the first screw rod 21, a thimble 23 is arranged outside the sliding plate 22, the supporting table 24 is arranged below the lower die holder 13, a second screw rod 25 is arranged inside the supporting table 24, a connecting block 26 is sleeved outside the second screw rod 25, a base 27 is arranged at the bottom of the numerically-controlled machine tool body 1, a damping spring 28 is arranged above the base 27, supporting plates 29 are arranged on the left side and the right side of the base 27, and the supporting plates 29 are arranged at the bottom of the numerically-controlled machine, and a support rod 30 is mounted to the outside of the support plate 29.

The sliding block 4 and the suspension rod 2 form a sliding structure, the sliding block 4 is connected with the clamping plate 5 in a welding manner, the sliding of the sliding block 4 on the suspension rod 2 is convenient to increase the moving stability of the clamping plate 5 in the moving process, the clamping plate 5 is convenient to stabilize, the second lead screw 25 is in threaded connection with the connecting block 26, the surface of the second lead screw 25 is provided with opposite threads, the connecting block 26 is convenient to move synchronously and reversely through the opposite threads on the second lead screw 25, so that the clamping plate 5 is driven to move to be matched with the sliding block 4 to move so as to enable the clamping plate 5 to clamp and fix a workpiece more stably, the pressing block 11 and the connecting rod 12 form a sliding structure, the fastening rod 8 and the connecting rod 12 form a telescopic structure, the clamping plate 5 enables the pull rope 10 to pull the pressing block 11 to slide in the connecting rod 12 under the action force of the pull force when moving, the pressing block 11 is convenient to push the fastening rod 8 to move, fastening rod 8 constitutes sliding construction with grip block 5, and rolling axle 9 constitutes rotating-structure with fastening rod 8, is connected through fastening rod 8 and grip block 5 to the convenience provides supplementary fixed holding power to grip block 5 when the centre gripping work piece, improves the fixed steadiness of centre gripping, is favorable to preventing that the fixture of long-term work from appearing becoming flexible through the supplementary fixed fixture of secondary, improves work efficiency.

The first screw rods 21 are in threaded connection with the sliding plates 22, the rotation directions of the first screw rods 21 are opposite to each other, when the two first screw rods 21 rotate in opposite directions, the two sliding plates 22 can move relatively conveniently, when the sliding plates 22 move to the outside of the telescopic rod 16, the ejector pins 23 on the sliding plates 22 are in contact with the bumps 19, spring posts in sliding connection with the bumps 19 are arranged inside the third springs 20, the bumps 19 and the telescopic rod 16 form a sliding structure, the bumps 19 are in sliding connection with the spring posts, so that the bumps 19 can be conveniently separated from the clamping grooves 18 under the acting force of the third springs 20 by the ejector pins 23, the ejector pins 15 and the telescopic rod 16 form a sliding structure, the ejector pins 15 are in welded connection with the stripper plates 14, the ejector pins 15 can slide conveniently, the stripper plates 14 can be conveniently moved by the ejector pins 15, the stripper plates 14 above can be conveniently moved downwards by the ejector pins 15, and workpieces clamped in the female die can be conveniently and quickly ejected through, the workpiece is convenient to take, meanwhile, an arc-shaped arc surface is arranged at an opening above the clamping groove 18, the clamping groove 18 is connected with the lug 19 in a clamping mode, the upper opening of the clamping groove 18 of the arc-shaped arc surface is convenient to drive the lug 19 to move downwards when the ejector rod 15 moves downwards, the lug 19 is directly in sliding into the clamping groove 18 in a contact mode with the arc surface, and the clamping with the clamping groove 18 are convenient to position.

The bracing piece 30 contains slide bar 301, buffer spring 302 and mobile jib 303, and sliding connection has slide bar 301 between bracing piece 30, and the outside of slide bar 301 is provided with buffer spring 302, slide bar 301's inside is provided with sliding connection's mobile jib 303 simultaneously, be convenient for make slide bar 301 remain stable throughout through buffer spring 302, further reduce rocking that external striking brought, play fine buffering effect for the support balancing force of bottom, make whole device more steady.

The working principle of the embodiment is as follows: according to the drawings 1-7, a workpiece is placed in a concave die on a lower die base 13, a power supply is switched on, a control panel is pressed, a starting motor drives a second lead screw 25 to rotate, the second lead screw 25 rotates to enable a connecting block 26 of threaded connection to move, the connecting block 26 moves to drive a clamping plate 5 to move, the connecting block 26 can conveniently enable the connecting block 26 to synchronously and reversely move through mutually reverse threads on the second lead screw 25, the clamping plate 5 is driven to move, the stability of the clamping plate 5 in the moving process is conveniently increased through the sliding of a sliding block 4 on a suspender 2, the clamping plate 5 is convenient to stabilize, the workpiece can be conveniently clamped and fixed through the moving clamping plate 5, the position deviation can not occur during demoulding and machining, and the stability of demoulding work is facilitated.

According to fig. 2-3, grip block 5 makes stay cord 10 pulling press block 11 slide in connecting rod 12 under tensile effort when removing, press block 11 to 8 atress promotion anchorage bars 8 removal when sliding, anchorage bars 8 remove to exert pressure and extrude first spring 7, thereby make anchorage bars 8 slide and carry out the block in grip block 5 inner groovees, be connected through anchorage bars 8 and grip block 5's block, thereby conveniently provide supplementary fixed support power to grip block 5 when the centre gripping work piece, improve the fixed steadiness of centre gripping, be favorable to preventing that the fixture of long-term work from appearing becoming flexible through the supplementary fixed of secondary, improve work efficiency.

According to the descriptions of 4-6, the first lead screw 21 is driven to rotate by the starting motor, the first lead screw 21 drives the sliding plate 22 in threaded connection to move, when the two first lead screws 21 rotate in opposite directions, the two sliding plates 22 conveniently move relatively, when the sliding plate 22 moves to the telescopic rod 16, the thimble 23 on the sliding plate 22 penetrates into the slot 18 on the ejector rod 15, the thimble 23 pushes the lug 19 out through the thimble 23 when the thimble 23 contacts with the lug 19, the lug 19 enables the third spring 20 to deform under pressure under the pressure of the external force, the lug 19 is connected with the spring column in a sliding manner, so that the lug 19 is conveniently separated from the slot 18 under the acting force of the third spring 20, meanwhile, the lug 19 is separated from the slot 18 to release the fixation of the ejector rod 15 and the telescopic rod 16, the ejector rod 15 resets the second spring 17 originally deformed and pressed under the action of the pressure loss when the lug 19 is separated, so that the ejector rod 15 is ejected from the telescopic rod 16, ejector pin 15 pops out thereby makes the stripper plate 14 of top to remove downwards, the work piece of conveniently clamping in the die passes through the quick pop-up of stripper plate 14, just with the work piece of taking, and drawing of patterns is fast, demoulding efficiency is improved, otherwise, the work piece is pressed the work piece under the punching pressure that receives demoulding mechanism 3 to go up and down, thereby drive stripper plate 14 to remove downwards through pressing the work piece, stripper plate 14 removes downwards makes ejector pin 15 press downwards, make things convenient for lug 19 directly to slide lug 19 into draw-in groove 18 with the cambered surface contact when the downward movement through the draw-in groove 18 upper shed department of arc cambered surface, convenient and draw-in groove 18 block location.

According to fig. 7, when carrying out work at numerical control machine tool body 1, damping spring 28 through on the base 27 of bottom can effectually carry out the shock attenuation, thereby preliminary keeping to whole equipment stability in work, avoid rocking, the displacement can not take place for the drawing of patterns of being convenient for, and when receiving external rocking through slide bar 301, make slide bar 301 carry out the removal of small-amplitude on mobile jib 303, cooperation slide bar 301 removes on bracing piece 30, slide bar 301 stretches buffer spring 302 when removing, be convenient for make slide bar 301 remain stable all the time through buffer spring 302, further reduce rocking that external striking brought, play fine buffering effect for the support equilibrium power of bottom, make whole device more steady, reduce the possibility that the work piece drawing of patterns shifted, improve drawing of patterns efficiency, thereby accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a shedder is used to CNC numerical control machining center lathe, includes digit control machine tool body (1), die holder (13) and brace table (24), its characterized in that: the upper part of the numerical control machine tool body (1) is provided with a hanging rod (2), the lower part of the hanging rod (2) is provided with an upper demoulding mechanism (3), the outer part of the hanging rod (2) is sleeved with a sliding block (4), the lower part of the sliding block (4) is provided with a clamping plate (5), the inner part of the clamping plate (5) is provided with a containing groove (6), the inner part of the containing groove (6) is provided with a first spring (7), the outer part of the first spring (7) is connected with a fastening rod (8), the outer part of the fastening rod (8) is provided with a rolling shaft (9), the outer part of the rolling shaft (9) is wound with a pull rope (10), meanwhile, the pull rope (10) is bound on the outer part of a pressing block (11), the pressing block (11) is positioned in the inner part of a connecting rod (12), the connecting rod (12) is arranged on the outer part of the numerical control machine tool body (1), and a lower, and a stripper plate (14) is arranged in the lower die holder (13), an ejector rod (15) is arranged below the stripper plate (14), a telescopic rod (16) is sleeved outside the ejector rod (15), a second spring (17) is arranged inside the telescopic rod (16), a clamping groove (18) is formed in the side wall of the telescopic rod (16), a convex block (19) is connected inside the clamping groove (18), a third spring (20) is connected outside the convex block (19), the third spring (20) is arranged inside the ejector rod (15), a first screw rod (21) is arranged inside the lower die holder (13), a sliding plate (22) is sleeved outside the first screw rod (21), an ejector pin (23) is arranged outside the sliding plate (22), the supporting table (24) is positioned below the lower die holder (13), and a second screw rod (25) is arranged inside the supporting table (24), and the outside of the second screw rod (25) is sleeved with a connecting block (26), the bottom of the numerical control machine tool body (1) is provided with a base (27), a damping spring (28) is arranged above the base (27), the left side and the right side of the base (27) are provided with supporting plates (29), the supporting plates (29) are positioned at the bottom of the numerical control machine tool body (1), a supporting rod (30) is arranged outside the supporting plates (29), the sliding block (4) and the suspension rod (2) form a sliding structure, the sliding block (4) is welded with the clamping plate (5), the fastening rod (8) and the clamping plate (5) form a sliding structure, the winding shaft (9) and the fastening rod (8) form a rotating structure, the pressing block (11) and the connecting rod (12) form a sliding structure, the fastening rod (8) and the connecting rod (12) form a telescopic structure, and the ejector rod (15) and the telescopic rod (16) form a sliding structure, and ejector pin (15) and stripper plate (14) welded connection, the top opening part of draw-in groove (18) is provided with the arc cambered surface, and draw-in groove (18) and lug (19) block are connected, the inside of third spring (20) is provided with the spring post with lug (19) sliding connection, and lug (19) and telescopic link (16) constitute sliding structure, first lead screw (21) and slide (22) threaded connection, and the rotation direction of first lead screw (21) is mutual reverse rotation, bracing piece (30) contain slide bar (301), buffer spring (302) and mobile jib (303), and sliding connection has slide bar (301) between bracing piece (30) to the outside of slide bar (301) is provided with buffer spring (302), and the inside of slide bar (301) is provided with sliding connection's mobile jib (303) simultaneously.

2. The demolding device for the CNC machining center machine tool as claimed in claim 1, wherein: the second screw rod (25) is in threaded connection with the connecting block (26), and the surface of the second screw rod (25) is provided with opposite threads.