CN211439068U - Positioning and centering device for high-precision machining machine tool - Google Patents

Abstract

The utility model discloses a positioning and centering device for a high-precision processing machine tool, wherein a movable push block is embedded and slidably connected at the inner side of two limit push grooves, a processing carrier plate is fixedly arranged at the top of the movable push block, a limit seat is fixedly arranged at one side end of the limit push groove, a centering plate is arranged at a position between the two limiting push grooves on one side of the top of the processing table, a positioning clamping groove is arranged in the middle of the inner side of the centering plate, the positioning fixture block is fixedly arranged at the position corresponding to the positioning clamping groove at the bottom end of the processing support plate, the positioning fixture block is convenient for centering and positioning the position of the processing support plate through the limiting push groove, the movable push block, the limiting seat, the centering plate, the positioning clamping groove and the positioning fixture block, so that the position of the processing support plate can be quickly corresponding to the central position of the drilling mechanism, and the moving and fixing mode is simple and convenient to operate, and the processing carrier plate has higher position precision after being centered and positioned.

Description

Positioning and centering device for high-precision machining machine tool

Technical Field

The utility model relates to a machine tool technical field specifically is a high accuracy is location centering device for machine tool.

Background

The machining machine tool is a machine for manufacturing machines, also called a machine tool or a machine tool, is traditionally called a machine tool for short, and is generally divided into a metal cutting machine tool, a forging machine tool, a woodworking machine tool and the like, a plurality of methods for machining mechanical parts in modern mechanical manufacturing are adopted, but parts with higher precision requirements and thinner surface roughness requirements generally need to be machined finally on the machine tool by a cutting method;

however, the existing drilling machine tool is lack of a centering and positioning component in the actual machining process, so that the center position of the machined metal piece cannot be quickly centered and positioned with a drill bit, and further the drilling position of the metal piece is easy to deviate, and the machining quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high accuracy is location centering device for machine tool can effectively solve and propose current drilling lathe among the above-mentioned background art because lack the subassembly of centering location in actual course of working, the central point of the metalwork that leads to processing puts and can't carry out quick centering and location with the drill bit position, and then leads to the drilling position of metalwork to produce the migration easily, and then influences processingquality's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning and centering device for a high-precision machining machine tool comprises a machining table, wherein stabilizing pillars are fixedly mounted at four corners of the bottom end of the machining table, a drill bit supporting arm is fixedly mounted at the middle end of one side of the top of the machining table, limiting push grooves are symmetrically formed in two sides of the top of the machining table, a movable push block is embedded and slidably connected to the inner sides of the two limiting push grooves, a machining carrier plate is fixedly mounted at the top of the movable push block, a limiting seat is fixedly mounted at one side end of each limiting push groove, a limiting pin is connected to the inside of each limiting seat in a penetrating manner, a centering plate is mounted at a position between the two limiting push grooves on one side of the top of the machining table, a positioning clamping groove is formed in the middle of the inner side;

the equal fixed mounting in processing support plate both sides limit end has a fixed plate, two equal through connection in the middle part of fixed plate has connecting screw, connecting screw one end fixed mounting has the knob, the connecting screw other end is kept away from knob one end fixed mounting and is had the grip block, the equal equidistance of the inboard limit end of grip block bonds and has anti-skidding adhesive tape, the inside both sides of processing support plate are located two grip block bottom position department has all seted up the direction spout, two the grip block bottom corresponds position department with the direction spout and all installs the direction slider, the central standing groove has been seted up at the inboard middle part of processing support plate.

Preferably, the limiting pin penetrates through the limiting seat and is connected with the movable pushing block, and a limiting pin hole is formed in the position, corresponding to the limiting pin, in the movable pushing block.

Preferably, the positioning clamping block is embedded in the positioning clamping groove, and the length and the thickness of the positioning clamping block are equal to the inner length and the inner height of the positioning clamping groove.

Preferably, one end of the connecting screw rod, which is close to the clamping plate, is connected with a ball head, a ball head seat is installed at a position, corresponding to the ball head, of the edge of the clamping plate, and the ball head is embedded in the ball head seat.

Preferably, a connecting seat is installed in the middle of one end of the processing support plate, a piston rod is fixedly connected to one end of the connecting seat, a hydraulic cylinder is movably connected to one side, away from the connecting seat, of one end of the piston rod, fixed end seats are installed at positions, located on the top surface of the processing table, of two sides of the hydraulic cylinder, and guard rods are installed at corners of the fixed end seats.

Preferably, the mounting seats are mounted on the two fixed end seat edge portions, and the mounting seats are fixedly connected with the top of the machining table through mounting screws.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through spacing groove, removal ejector pad, spacing seat, spacer pin, centering plate, positioning channel section and positioning fixture block be convenient for carry out the centering and fix a position with the position of processing support plate for the position of processing support plate and drilling mechanism's central point put can be quick correspond, and this mode of removing fixedly not only easy and simple to handle, make the processing support plate possess higher position precision after centering location simultaneously.

2. Through fixed plate, connecting screw, knob, grip block, anti-skidding adhesive tape, direction spout, direction slider and central standing groove be convenient for will treat the quick central point that fixes at the processing support plate of the metalwork of drilling and put, guarantee that the metalwork possesses higher stability when actually drilling adds man-hour, should connect fixed mode not only easy and simple to handle simultaneously, conveniently carry out the centre gripping to the metalwork of different specifications simultaneously and fix, expanded machine tool's process range.

3. The connecting seat, the piston rod, the hydraulic cylinder, the fixed end seat and the protective rod are convenient to drive the processing support plate to move along the limiting push groove and the moving push block, the metal piece after drilling processing is further convenient to move out from the bottom of the drilling mechanism, and the pushing position of the processing support plate is limited by the limit of the stroke length of the piston rod in the pushing mode, so that the accuracy of positioning the processing support plate in the centering position is further ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection structure of the movable push block of the present invention;

fig. 3 is a schematic view of the installation structure of the centering plate of the present invention;

FIG. 4 is a schematic view of the mounting structure of the clamping plate of the present invention;

reference numbers in the figures: 1. a processing table; 2. a stabilizing strut; 3. a drill bit support arm; 4. a limiting push groove; 5. moving the push block; 6. processing a carrier plate; 7. a limiting seat; 8. a spacing pin; 9. a centering plate; 10. positioning the clamping groove; 11. positioning a fixture block; 12. a fixing plate; 13. connecting a screw rod; 14. a knob; 15. a clamping plate; 16. an anti-slip rubber strip; 17. a guide chute; 18. a guide slider; 19. a central placement groove; 20. a connecting seat; 21. a piston rod; 22. a hydraulic cylinder; 23. fixing the end seat; 24. a guard bar.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a positioning and centering device for a high-precision machining tool, which comprises a machining table 1, wherein stabilizing pillars 2 are fixedly arranged at four corners of the bottom end of the machining table 1, a drill bit supporting arm 3 is fixedly arranged at the middle end of one side of the top of the machining table 1, limiting push grooves 4 are symmetrically arranged at two sides of the top of the machining table 1, a movable push block 5 is embedded and slidably connected at the inner sides of the two limiting push grooves 4, a machining support plate 6 is fixedly arranged at the top of the movable push block 5, a limiting seat 7 is fixedly arranged at one side end of each limiting push groove 4, a limiting pin 8 is penetratingly connected inside the limiting seat 7, the limiting pin 8 penetrates through the limiting seat 7 and is connected with the movable push block 5, a limiting pin hole is arranged at a position corresponding to the limiting pin 8 inside the movable push block 5, a centering plate 9 is arranged at a position between the two limiting push grooves 4 on one side of the top of the processing table 1, a positioning clamping groove 10 is formed in the middle of the inner side of the centering plate 9, a positioning fixture block 11 is fixedly arranged at a position, corresponding to the positioning clamping groove 10, of the bottom end of the processing carrier plate 6, the positioning fixture block 11 is embedded in the positioning clamping groove 10, the length and the thickness of the positioning fixture block 11 are equal to the inner length and the inner height of the positioning clamping groove 10, and the positioning fixture block 11 is more tightly connected with the positioning clamping groove 10 in a fit manner;

the equal fixed mounting in processing support plate 6 both sides limit end has fixed plate 12, two equal through connection in the middle part of the inboard of fixed plate 12 have connecting screw 13, connecting screw 13 one end fixed mounting has knob 14, the connecting screw 13 other end is kept away from knob 14 one end fixed mounting and is had grip block 15, connecting screw 13 is close to grip block 15 one end and is connected with the bulb, grip block 15 limit portion and bulb correspond position department install the bulb seat, the bulb inlays in the bulb seat, connecting screw 13 and grip block 15 between be connected and the activity, grip block 15 inboard limit end equal equidistance bonds has anti-skidding adhesive tape 16, processing support plate 6 inside both sides are located two grip block 15 bottom position departments and have all seted up direction spout 17, two grip block 15 bottoms all install direction slider 18 with direction spout 17 correspond position department, processing support plate 6 inboard middle part has seted up central standing groove 19.

6 one end mid-mounting of processing support plate has connecting seat 20, connecting seat 20 one end fixedly connected with piston rod 21, connecting seat 20 one side swing joint is kept away from to piston rod 21 one end has pneumatic cylinder 22, pneumatic cylinder 22 both sides are located 1 top surface position department of processing platform and all install fixed end seat 23, the mount pad is all installed on two fixed end seat 23 limit portions, and all through mounting screw fixed connection between mount pad and the 1 top of processing platform, be convenient for be connected between fixed end seat 23 and the processing platform 1, be convenient for simultaneously restrict the position of pneumatic cylinder 22 through the fixing of two fixed end seats 23 and fix, protective rod 24 is all installed to two fixed end seat 23 each edge departments.

The utility model discloses a theory of operation and use flow: in the practical application process of the positioning and centering device for the high-precision machining tool, firstly, a machining table 1 is stably supported through a stable support column 2 at the bottom of the machining table, then a metal piece to be drilled is placed in a central placing groove 19 at the middle end of the top of a machining carrier plate 6, then knobs 14 on two sides of a fixing plate 12 are rotated to drive connecting screw rods 13 at the end parts of the fixing plate to rotate, clamping plates 15 at the end parts of the connecting screw rods 13 are pushed to move towards the edge parts of the metal piece through the rotating movement of the connecting screw rods 13, after anti-slip rubber strips 16 at the edge parts of the clamping plates 15 are tightly connected with the metal piece, the continuous rotation of the knobs 14 is stopped at the moment, so that the metal piece is fixed through the two clamping plates 15, and further, the influence on the machining quality caused by the position;

after the metal piece is fixed on the processing carrier plate 6, the hydraulic cylinder 22 is started, the piston rod 21 at the end part of the metal piece is driven to move by the hydraulic cylinder 22, the processing carrier plate 6 at the end part of the metal piece is pushed to move by the piston rod 21, when the processing carrier plate 6 moves, the moving position of the processing carrier plate 6 is limited by the guiding limit sliding between the moving push block 5 and the limit push groove 4 at the two sides of the bottom of the processing carrier plate 6, the moving position of the processing carrier plate 6 is prevented from being deviated, and when the piston rod 21 moves to the maximum stroke, the end part of the moving push block 5 contacts with the limit seat 7 at the moment, the limit pin 8 is inserted into the limit seat 7, and the position of the moving push block 5 can be limited;

in addition, when the processing carrier plate 6 moves, the positioning fixture block 11 in the middle of the bottom end of the processing carrier plate 6 moves into the positioning slot 10 in the centering plate 9, so that the moving position of the processing carrier plate 6 is further centered and positioned by positioning between the positioning fixture block 11 and the positioning slot 10, and the central processing position of the metal piece at the top of the processing carrier plate 6 is further ensured to be accurately positioned under the drill bit of the drilling mechanism.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high accuracy is location centering device for machine tool, includes processing platform (1), the equal fixed mounting in processing platform (1) bottom four corners department has stable pillar (2), processing platform (1) top one side middle-end fixed mounting has drill bit support arm (3), its characterized in that: the processing device comprises a processing table (1), limiting push grooves (4) and a limiting base (7), wherein the limiting push grooves (4) are symmetrically formed in two sides of the top of the processing table (1), a movable push block (5) is connected to the inner sides of the two limiting push grooves (4) in an embedded sliding mode, a processing carrier plate (6) is fixedly installed at the top of the movable push block (5), one side end of each limiting push groove (4) is fixedly provided with the limiting base (7), a limiting pin (8) penetrates through the limiting base (7), a centering plate (9) is installed between the two limiting push grooves (4) on one side of the top of the processing table (1), a positioning clamping groove (10) is formed in the middle of the inner side of the centering plate (9), and a positioning clamping block (11;

processing support plate (6) both sides limit end equal fixed mounting has fixed plate (12), two fixed plate (12) inboard middle part all through connection has connecting screw (13), connecting screw (13) one end fixed mounting has knob (14), knob (14) one end fixed mounting has grip block (15) is kept away from to connecting screw (13) other end, grip block (15) inboard limit end equal equidistance bonds and has anti-skidding adhesive tape (16), processing support plate (6) inside both sides are located two grip block (15) bottom position department has all seted up direction spout (17), two grip block (15) bottom and direction spout (17) correspond position department and all install direction slider (18), central standing groove (19) have been seted up at processing support plate (6) inboard middle part.

2. The positioning and centering device for the high-precision processing machine tool according to claim 1, wherein: the limiting pin (8) penetrates through the limiting seat (7) and is connected with the movable pushing block (5), and a limiting pin hole is formed in the position, corresponding to the limiting pin (8), in the movable pushing block (5).

3. The positioning and centering device for the high-precision processing machine tool according to claim 1, wherein: the positioning clamping blocks (11) are embedded in the positioning clamping grooves (10), and the length and the thickness of the positioning clamping blocks (11) are equal to the inner length and the inner height of the positioning clamping grooves (10).

4. The positioning and centering device for the high-precision processing machine tool according to claim 1, wherein: one end of the connecting screw rod (13) close to the clamping plate (15) is connected with a ball head, a ball head seat is installed at the position, corresponding to the ball head, of the edge of the clamping plate (15), and the ball head is embedded in the ball head seat.

5. The positioning and centering device for the high-precision processing machine tool according to claim 1, wherein: processing support plate (6) one end mid-mounting has connecting seat (20), connecting seat (20) one end fixedly connected with piston rod (21), connecting seat (20) one side swing joint has pneumatic cylinder (22) is kept away from to piston rod (21) one end, pneumatic cylinder (22) both sides are located processing platform (1) top surface position department and all install fixed end seat (23), two protective rod (24) are all installed to fixed end seat (23) each edge department.

6. The positioning and centering device for the high-precision machining machine tool according to claim 5, wherein: and the mounting seats are arranged on the edge parts of the fixed end seats (23), and are fixedly connected with the top of the processing table (1) through mounting screws.

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