CN112139556A

CN112139556A - Large workpiece end face boring device for machining

Info

Publication number: CN112139556A
Application number: CN202011326061.9A
Authority: CN
Inventors: 袁泽玮; 张勇
Original assignee: Yantai Jinneng Machinery Co ltd
Current assignee: Jiangsu Yibo automation equipment Co.,Ltd.
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2020-12-29
Anticipated expiration: 2040-11-24
Also published as: CN112139556B

Abstract

The invention discloses a large workpiece end face boring device for machining, which comprises a workbench, wherein convex rails are fixedly connected to two sides of the top of the workbench, a working groove is formed between the two convex rails, a clamping mechanism is arranged in the working groove, supporting frames are arranged on the tops of the convex rails, and first sliding grooves are formed in opposite sides of the two supporting frames. After a workpiece is quickly positioned by the clamping mechanism, the first boring cutter, the second boring cutter and the third boring cutter are selectively installed according to needs, the positions of the second boring cutter, the third boring cutter and the wiping brush are adjusted, the second motor is started to conduct boring and end face boring operations, the first motor is started to conduct stepping fine adjustment to enable the beam frame to be slowly pressed downwards, the three procedures of large workpiece boring, outer end face boring and upper top face boring are matched or independently operated, the workpiece machining efficiency is improved, spiral blade discharging is used, the cleaning brush is matched to clean chips, chip interference is avoided, the chips are prevented from scratching the surface of the workpiece, and the machining quality is improved.

Description

Large workpiece end face boring device for machining

Technical Field

The invention relates to the field of machining of mechanical boring pins, in particular to a large workpiece end face boring device for machining.

Background

Machine tool equipment is often used for machining large-sized workpieces, the workpieces are fixed through the machine tool equipment, and various tools are used for machining the workpieces, such as lathing, milling, planing, grinding, drilling, boring and the like.

The boring machine mainly uses a boring cutter to bore the existing hole of a workpiece, the hole is machined through the rotary motion of the boring cutter and the feeding motion of the boring cutter or the workpiece, the traditional boring machine is characterized in that a machine tool body is arranged on the ground, the workpiece to be machined is fixed on a boring machine workbench, when a large-sized steel pipe workpiece is machined, the end face of the hole cannot be machined in the same process after the workpiece is bored, the cutter needs to be replaced again or the end face of the hole is machined on a milling machine, workers often need to re-set the tool or clamp the workpiece again, the working efficiency is low, and the operation difficulty is high.

Therefore, it is necessary to provide a large workpiece end face boring device for machining to solve the above problems.

Disclosure of Invention

The invention aims to provide a large workpiece end face boring device for machining, which is characterized in that after a workpiece is quickly positioned by a clamping mechanism, a first boring cutter, a second boring cutter and a third boring cutter are selectively installed as required, the positions of the second boring cutter, the third boring cutter and a wiping brush are adjusted, a second motor is started to perform boring and end face boring pin operation after the adjustment is completed, a first motor is further started to perform stepping fine adjustment to enable a beam frame to be slowly pressed downwards, the three processes of boring, outer end face boring pin and upper top face boring pin of the large workpiece are matched or independently operated, and helical blades are used for discharging materials and matched with the wiping brush to clean chips in the machining process, so that the defects in the technology are overcome.

In order to achieve the above purpose, the invention provides the following technical scheme: a boring device for the end face of a large workpiece for machining comprises a workbench, wherein convex rails are fixedly connected to two sides of the top of the workbench, a working groove is formed between the two convex rails, a clamping mechanism is arranged in the working groove, supporting frames are arranged at the tops of the convex rails, first sliding grooves are formed in the opposite sides of the two supporting frames, a first lead screw is rotatably connected to the inside of one first sliding groove, a sliding rod is fixedly connected to the inside of the other first sliding groove, a beam frame is arranged between the first lead screw and the sliding rod, two ends of the beam frame are respectively slidably connected to the inside of the two first sliding grooves, the first lead screw is in threaded connection with the beam frame, the sliding rod is in sliding connection with the beam frame, a first motor is fixedly connected to the top of the beam frame close to the first lead screw, an output shaft of the first motor is in transmission connection with the first lead, the second motor output shaft is provided with a boring pin assembly;

the boring pin component comprises a boring pin main shaft, the bottom end of the boring pin main shaft is fixedly connected with a first boring cutter, the output shaft of a second motor is fixedly connected with the boring pin main shaft through a coupler, two sides of the boring pin main shaft are provided with notches which are distributed in a penetrating way, two sides of each notch are provided with plugboards, a limiting plate is sleeved between the outer sides of the two plugboards, the limiting plate is fixedly connected with the boring pin main shaft through screws, the outer side of the boring pin main shaft is slidably connected with a cross-shaped base plate, two sides of the bottom of the cross-shaped base plate are provided with second sliding grooves, a moving block is slidably connected inside the second sliding grooves, the bottom end of the moving block is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a second boring cutter, a reserved groove is formed inside the, the two ends of the I-shaped rod piece are respectively provided with a second lead screw, the second lead screws penetrate through the movable block and are in threaded connection with the through holes, bearings are arranged at the joints of the two ends of the second lead screws and the cross-shaped base plate, one end of one of the second lead screws is fixedly connected with a first rotating handle, two sides of the cross-shaped base plate, which are far away from the second lead screws, are respectively provided with a storage barrel, an extension rod is connected inside the storage barrel in a sliding mode, the other end of the extension rod is fixedly connected with a mounting base, the bottom end of one mounting base is detachably connected with a third boring cutter through screws, and the bottom end of the other;

the limiting plate surface has been seted up the slide opening, cross base plate top is rotated and is connected with the shank of bolt, the shank of bolt outside threaded connection has two adjusting nut, the quantity of slide opening and shank of bolt all sets up to four, four the slide opening respectively with four shank of bolt phase-match, two adjusting nut are located limiting plate top and bottom respectively.

Preferably, fixture includes splint, splint both sides homogeneous body is provided with the lug, the third recess has been seted up to one side that the protruding rail is close to the work groove, lug and third recess sliding connection, work groove one side is rotated and is connected with the third lead screw, the third lead screw runs through splint one end, and the through hole threaded connection of third lead screw and splint, handle is changeed to third lead screw one end fixedly connected with second, protruding rail both sides middle part all is equipped with the fourth lead screw, the fourth lead screw run through the protruding rail and with protruding rail threaded connection, the one end fixedly connected with briquetting that the fourth lead screw is close to the work groove, handle is changeed to fourth lead screw other end fixedly connected with third.

Preferably, the cross-sectional shape of splint sets up to the B font, the splint bottom can be dismantled through the screw and be connected with the piece of scraping, the piece of scraping is made by rubber materials, the feed opening has been seted up to the working groove central point, the feed opening runs through the workstation, the workstation bottom is equipped with the containing box, the containing box matches with the feed opening.

Preferably, a rail groove is formed in the top of the convex rail, a rail block is fixedly connected to the bottom of the support frame, the rail groove is connected with the rail block in a sliding mode, and the support frame is fixedly connected with the convex rail through screws.

Preferably, a main shaft sleeve is sleeved on the outer side of the boring pin main shaft, and a spiral blade is fixedly connected to the outer side of the main shaft sleeve.

Preferably, a concave limiting groove is formed in the bottom end of the notch, a pressing rod is connected in the concave limiting groove in a sliding mode, a wedge-shaped block is fixedly connected to the bottom end of the pressing rod, and a first spring is sleeved on the outer side of the pressing rod.

Preferably, cluster shape spacing groove has all been seted up to spill spacing groove both sides, cluster shape spacing inslot portion sliding connection has the ejector pin, ejector pin one end fixedly connected with sloping block, ejector pin other end fixedly connected with thimble, be equipped with the second spring between sloping block and the cluster shape spacing groove, sloping block and wedge phase-match.

Preferably, the top end of the inner wall of the spindle sleeve is provided with a ring groove, saw-toothed strips are arranged on two sides of the ring groove in a whole body and are matched with the ejector pins.

Preferably, the first screw rod and the sliding rod are distributed in parallel, and the boring pin main shaft is arranged at the center of the beam frame.

Preferably, the two second screw rods are symmetrically distributed on the surface of the second screw rod in a threaded manner, the third screw rod is a bidirectional screw rod, the first motor and the second motor are both step motors, and the wiping brush is made of sponge materials.

In the technical scheme, the invention provides the following technical effects and advantages:

1. after a workpiece is quickly positioned by the aid of the clamping mechanism, a first boring cutter, a second boring cutter and a third boring cutter are selectively installed as required, the positions of the second boring cutter, the third boring cutter and the wiping brush are adjusted, a second motor is started to conduct boring and end face boring pin operation after the adjustment is finished, the first motor is further started to conduct stepping fine adjustment to enable the beam frame to be slowly pressed downwards, the matched work or independent work of three procedures of large workpiece boring, outer end face boring pin and upper top face boring pin is achieved, the workpiece machining efficiency is improved, during machining, spiral blades are used for discharging materials and matched with the wiping brush to clean chips, chip interference is avoided, the chips are prevented from scratching the surface of the workpiece, and the machining quality is improved;

2. through a compact structure forming a linkage relation, when the boring pin assembly is installed, four bolt rods are matched with four sliding holes, the position height of a fixed cross base plate is adjusted by using two adjusting nuts, and the contact extrusion relation of a wedge block and an inclined block is further matched, so that a thimble is inserted into a sawtooth strip to quickly install a main shaft sleeve with a spiral blade;

3. rotate through the third lead screw, it is close to each other in step to drive two splint, the splint of cooperation B font effectively promote and assist centre gripping work piece both sides, the area of contact of increase and work piece, push away its safety to work groove middle part, and rotate the third and change the handle, make the fourth lead screw rotate the fixed work piece of centre gripping, through scraping piece scraping work inslot wall, make the piece concentrate on the unloading hole outside, be convenient for clear away the piece and get into the containing box collection with it from the unloading hole, the cleaning effect of brush is cleaned in the cooperation, the machining precision of work piece processing is improved, the yields of work piece processing is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a bottom view of the cross base of the present invention;

FIG. 5 is a view A-A of FIG. 4 according to the present invention^，A schematic cross-sectional structure;

FIG. 6 is a view showing B-B in FIG. 4 according to the present invention^，A schematic cross-sectional structure;

FIG. 7 is a partial structural schematic view of the boring pin assembly of the present invention;

FIG. 8 is a schematic view of a connection structure of the plugboard and the limiting board according to the present invention;

FIG. 9 is a schematic view of the connection structure of the clamping plate and the scraping plate of the invention;

FIG. 10 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 11 is an enlarged view of the portion B of FIG. 1 according to the present invention;

FIG. 12 is an enlarged view of the structure of the portion C of FIG. 10 according to the present invention.

Description of reference numerals:

1 workbench, 2 convex rails, 3 working grooves, 4 support frames, 5 first screw rods, 6 sliding rods, 7 beam frames, 8 first motors, 9 second motors, 10 boring pin main shafts, 11 first boring cutters, 12 notches, 13 plugboards, 14 limiting plates, 15 cross base plates, 16 moving blocks, 17 electric push rods, 18 second boring cutters, 19H-shaped rod pieces, 20 second screw rods, 21 storage barrels, 22 extension rods, 23 mounting seats, 24 third boring cutters, 25 wiping brushes, 26 bolt rods, 27 adjusting nuts, 28 clamping plates, 29 convex blocks, 30 third screw rods, 31 fourth screw rods, 32 pressing blocks, 33 scraping sheets, 34 blanking holes, 35 storage boxes, 36 rail blocks, 37 main shaft sleeves, 38 spiral blades, 39 concave limiting grooves, 40 pressing rods, 41 wedge-shaped blocks, 42 first springs, 43 string-shaped limiting grooves, 44 ejector rods, 45 inclined blocks, 46 ejector pins, 47 second springs and 48 sawtooth strips.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a large workpiece end face boring device for machining, which comprises a workbench 1, wherein both sides of the top of the workbench 1 are fixedly connected with convex rails 2, a working groove 3 is arranged between the two convex rails 2, a clamping mechanism is arranged in the working groove 3, a support frame 4 is arranged at the top of each convex rail 2, one opposite side of each support frame 4 is provided with a first sliding groove, one first sliding groove is internally and rotatably connected with a first screw rod 5, the other first sliding groove is internally and fixedly connected with a slide rod 6, a beam frame 7 is arranged between the first screw rod 5 and the slide rod 6, both ends of the beam frame 7 are respectively and slidably connected with the two first sliding grooves, the first screw rod 5 is in threaded connection with the beam frame 7, the slide rod 6 is in sliding connection with the beam frame 7, a first motor 8 is fixedly connected with the top of the beam frame 7 close to the first screw rod 5, an output shaft of the first motor 8 is in transmission connection with the first screw rod 5, a second motor 9 is fixedly connected to the middle of the top end of the beam frame 7, and a boring pin assembly is arranged on an output shaft of the second motor 9;

the boring pin component comprises a boring pin main shaft 10, a first boring cutter 11 is fixedly connected to the bottom end of the boring pin main shaft 10, an output shaft of a second motor 9 is fixedly connected with the boring pin main shaft 10 through a coupler, notches 12 which are distributed in a penetrating manner are arranged on two sides of the boring pin main shaft 10, plug boards 13 are arranged on two sides of each notch 12, a limiting board 14 is sleeved between the outer sides of the two plug boards 13, the limiting board 14 is fixedly connected with the boring pin main shaft 10 through screws, a cross base plate 15 is connected to the outer side of the boring pin main shaft 10 in a sliding manner, second sliding grooves are formed in two sides of the bottom of the cross base plate 15, a moving block 16 is connected to the inner portion of each second sliding groove in a sliding manner, an electric push rod 17 is fixedly connected to the bottom end of the moving block 16, a second boring cutter 18 is fixedly connected to the output end of the, the I-shaped rod 19 is connected with the notch 12 in a sliding manner, two ends of the I-shaped rod 19 are respectively provided with a second lead screw 20, the second lead screws 20 penetrate through the moving block 16 and are in threaded connection with the through holes, the joints of the two ends of the second lead screws 20 and the cross-shaped base plate 15 are respectively provided with a bearing, one end of one second lead screw 20 is fixedly connected with a first rotating handle, two sides of the cross-shaped base plate 15 far away from the second lead screw 20 are respectively provided with a containing cylinder 21, an extension rod 22 is connected inside the containing cylinder 21 in a sliding manner, the other end of the extension rod 22 is fixedly connected with a mounting seat 23, the bottom end of one mounting seat 23 is detachably connected with a third boring cutter 24 through a screw, the bottom end of the other mounting seat 23 is detachably connected with a wiping brush 25 through a screw, the wiping brush is convenient for cleaning boring pin scraps on the top of the workpiece, and the first boring cutter 11, the, the replacement and maintenance are convenient, the positions of the first boring cutter 11, the second boring cutter 18 and the third boring cutter 24 are adjustable, and the three boring cutters can work in a matched manner or independently;

limiting plate 14 surface has been seted up the slide opening, cross base plate 15 top is rotated and is connected with shank of bolt 26, the threaded connection in the shank of bolt 26 outside has two adjusting nut 27, the quantity of slide opening and shank of bolt 26 all sets up to four, four the slide opening respectively with four shank of bolt 26 phase-matchs, two adjusting nut 27 are located limiting plate 14 top and bottom respectively, four slide openings are ring array and distribute on limiting plate 14, four shank of bolt 26 are ring array and distribute on cross base plate 15, limiting plate 14 and boring round pin main shaft 10 fixed connection to adjust the position height of fixed cross base plate 15 through shank of bolt 26 and two adjusting nut 27.

As shown in fig. 1, 2, 3 and 9, the clamping mechanism includes a clamping plate 28, a bump 29 is integrally formed on both sides of the clamping plate 28, a third groove is formed on one side of the convex rail 2 close to the working groove 3, the bump 29 is slidably connected with the third groove, a third lead screw 30 is rotatably connected to one side of the working groove 3, the third lead screw 30 penetrates one end of the clamping plate 28, the third lead screw 30 is in threaded connection with the through hole of the clamping plate 28, a second rotating handle is fixedly connected to one end of the third lead screw 30, a fourth lead screw 31 is arranged in the middle of both sides of the convex rail 2, the fourth lead screw 31 penetrates the convex rail 2 and is in threaded connection with the convex rail 2, a pressing block 32 is fixedly connected to one end of the fourth lead screw 31 close to the working groove 3, a third rotating handle is fixedly connected to the other end of the fourth lead screw 31, the two clamping plates 28 are close to or far away from each, the workpiece is positioned and clamped in the middle of the inside of the working groove 3, and the fourth screw rod 31 is rotated to enable the two pressing blocks 32 to clamp the workpiece from two sides, so that subsequent processing is facilitated.

Further, in above-mentioned technical scheme, splint 28's cross sectional shape sets up to the B font, splint 28 bottom can be dismantled through the screw and be connected with scrapes piece 33, scrape piece 33 and make by rubber materials, work 3 central point in groove puts and has seted up unloading hole 34, unloading hole 34 runs through workstation 1, workstation 1 bottom is equipped with containing box 35, containing box 35 and unloading hole 34 phase-match, splint 28's cross sectional shape can the at utmost reduce the injury to the work piece surface, scrapes piece 33 and contacts with 3 inner walls in work groove, plays buffering and the clastic effect of scraping at the during operation.

As shown in fig. 2, fig. 3 and fig. 11, a rail groove is formed in the top of the protruding rail 2, a rail block 36 is fixedly connected to the bottom of the support frame 4, the rail groove is slidably connected to the rail block 36, the support frame 4 is fixedly connected to the protruding rail 2 through screws, the support frame 4 slides on the top of the protruding rail 2 through the cooperation of the rail groove and the rail block 36, when a workpiece is placed and clamped, the support frame 4 is moved to one side for rapid positioning and installation, after the workpiece is installed, the support frame 4 is rapidly moved to the original position, and at this time, the first boring cutter 11 and the blanking hole 34 are coaxially distributed.

As shown in fig. 1 and 7, a main shaft sleeve 37 is sleeved on the outer side of the boring pin main shaft 10, a helical blade 38 is fixedly connected to the outer side of the main shaft sleeve 37, the main shaft sleeve 37 is fixed by a plug-in structure after being sleeved on the outer side of the boring pin main shaft 10, and when the boring pin main shaft 10 rotates, the helical blade 38 is driven to guide drill cuttings out of the inside of a boring hole, so that the machining efficiency is improved.

As shown in fig. 8 and 10, a concave limiting groove 39 is formed in the bottom end of the notch 12, a pressing rod 40 is slidably connected in the concave limiting groove 39, a wedge block 41 is fixedly connected to the bottom end of the pressing rod 40, a first spring 42 is sleeved on the outer side of the pressing rod 40, the pressing rod 40 is pressed down through the i-shaped rod 19 when the cross-shaped substrate 15 is installed, the wedge block 41 is made to descend and is effectively buffered by being matched with the first spring 42, the position of the cross-shaped substrate 15 is limited by the bolt rod 26 and the two adjusting nuts 27, and the wedge block 41 is fixed to the bottom of the concave limiting groove 39.

As shown in fig. 10 and 12, string-shaped limiting grooves 43 are respectively formed on two sides of the concave limiting groove 39, an ejector rod 44 is slidably connected inside the string-shaped limiting groove 43, one end of the ejector rod 44 is fixedly connected with an inclined block 45, the other end of the ejector rod 44 is fixedly connected with a thimble 46, a second spring 47 is arranged between the inclined block 45 and the string-shaped limiting groove 43, the inclined block 45 is matched with the wedge block 41, when the wedge block 41 is fixed at the bottom of the concave limiting groove 39, the wedge block 41 extrudes the inclined block 45 and pushes the two ejector rods 44 to move towards two sides, so that the thimble 46 extends out of the string-shaped limiting groove 43, and after the wedge block 41 moves upwards, the second spring 47 retracts the thimble 46 into the string-shaped limiting groove 43.

Further, in the above technical scheme, the annular has been seted up on main shaft sleeve 37 inner wall top, the homogeneous body in annular both sides is provided with sawtooth rack 48, sawtooth rack 48 and thimble 46 phase-match conveniently cup joint main shaft sleeve 37 in the boring pin main shaft 10 outside, conveniently fixes it after the height of adjusting position, and dismantles and maintains the convenience.

As shown in fig. 1-3, the first lead screw 5 and the slide bar 6 are distributed in parallel, and the boring spindle 10 is arranged at the right center of the beam frame 7, so that the first boring cutter 11 can conveniently drill through a workpiece during boring processing operation, and drilling cuttings can be conveniently blanked.

Further, in above-mentioned technical scheme, two the 20 surface screw thread symmetric distributions of second lead screw, third lead screw 30 sets up to two-way lead screw, first motor 8 and second motor 9 all set up to step motor, clean the brush 25 and make by sponge material, realize the accurate control of semi-automatization equipment processing, reduce the processing defective rate.

The working principle of the invention is as follows:

referring to the attached drawings 1-12 of the specification, firstly, a support frame 4 slides on the top of a convex rail 2 and moves to one side of a workbench 1, a large-sized workpiece is machined and then is quickly positioned and installed by using a clamping mechanism, after the workpiece is installed, the support frame 4 is quickly moved to the original position, at the moment, a first boring cutter 11 and a blanking hole 34 are coaxially distributed, the first boring cutter 11, a second boring cutter 18 and a third boring cutter 24 are selectively installed according to requirements, the position and the bore pin diameter of the second boring cutter 18 are controlled by adjusting a second screw rod 20 and an electric push rod 17, the position of the third boring cutter 24 and a wiping brush 25 are controlled by adjusting the extension length of an extension rod 22 in a storage cylinder 21, after the adjustment is completed, a second motor 9 is started to carry out bore hole and end face bore pin operation, and further, the first motor 8 is started to slightly adjust step by step to slowly press a beam frame 7 down, so that the cooperation or independent work of three processes of the large-sized workpiece bore hole, during the processing, the spiral blade 38 is used for discharging materials and is matched with the wiping brush 25 for cleaning the scraps, so that the scrap interference is avoided;

referring to the attached drawings 1-12 of the specification, when the boring pin assembly is installed, firstly, a cross base plate 15 penetrates through a boring pin main shaft 10, a H-shaped rod piece 19 is clamped inside a notch 12, then two plug-in boards 13 are inserted into two holes in a limit board 14, the two plug-in boards are fixed outside the boring pin main shaft 10 by screws after being positioned, four bolt rods 26 are inserted into four sliding holes in an aligning manner, the position height of the cross base plate 15 is adjusted and fixed by the bolt rods 26 and two adjusting nuts 27, a main shaft sleeve 37 with a spiral blade 38 is inserted into the bottom of the boring pin main shaft 10, after the position is adjusted, the two adjusting nuts 27 are further adjusted, the cross base plate 15 is pulled down to enable the H-shaped rod piece 19 to press a pressure rod 40 downwards, a wedge block 41 descends and is effectively buffered by matching with a first spring 42, the wedge block 41 extrudes the wedge block 45 and pushes two ejector rods 44 to move towards two sides, so that an ejector pin 46, the main shaft sleeve 37 is fixed on the outer side of the boring pin main shaft 10 by being clamped on the sawtooth rack 48, and the ejector pin 46 is retracted into the string-shaped limiting groove 43 by the second spring 47 after the wedge block 41 goes up;

referring to the attached drawings 1-12 of the specification, the second rotating handle is rotated to enable the third screw rod 30 to rotate, the two clamping plates 28 are driven to be close to each other synchronously, the B-shaped clamping plates 28 are matched to effectively push and assist the two sides of a workpiece to be clamped, the contact area of the workpiece with the workpiece is increased, the workpiece is safely pushed to the middle of the working groove 3, the third rotating handle is rotated to enable the fourth screw rod 31 to rotate to clamp and fix the workpiece, the inner wall of the working groove 3 is scraped through the scraping sheet 33, the chips are concentrated on the outer side of the blanking hole 34, the chips are convenient to clear and enter the containing box 35 from the blanking hole 34 to be collected, and the cleaning brush 25 is matched to.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a large-scale work piece terminal surface boring device for machining, includes workstation (1), its characterized in that: the two sides of the top of the workbench (1) are fixedly connected with protruding rails (2), a working groove (3) is arranged between the two protruding rails (2), a clamping mechanism is arranged in the working groove (3), the top of each protruding rail (2) is provided with a support frame (4), one side of each support frame (4) opposite to the corresponding support frame is provided with a first sliding groove, one first sliding groove is internally and rotatably connected with a first lead screw (5), a sliding rod (6) is fixedly connected inside the other first sliding groove, a beam frame (7) is arranged between the first lead screw (5) and the sliding rod (6), two ends of the beam frame (7) are respectively and slidably connected inside the two first sliding grooves, the first lead screw (5) is in threaded connection with the beam frame (7), the sliding rod (6) is in sliding connection with the beam frame (7), and a first motor (8) is fixedly connected to the top of the beam frame (7) close to the first, an output shaft of the first motor (8) is in transmission connection with the first screw rod (5), a second motor (9) is fixedly connected to the middle of the top end of the beam frame (7), and a boring pin assembly is arranged on an output shaft of the second motor (9);

the boring pin component comprises a boring pin main shaft (10), a first boring cutter (11) is fixedly connected to the bottom end of the boring pin main shaft (10), an output shaft of a second motor (9) is fixedly connected with the boring pin main shaft (10) through a coupler, notches (12) penetrating and distributed are arranged on two sides of the boring pin main shaft (10), plug boards (13) are arranged on two sides of each notch (12), a limiting board (14) is sleeved between the outer sides of the two plug boards (13), the limiting board (14) is fixedly connected with the boring pin main shaft (10) through screws, a cross base board (15) is connected to the outer side of the boring pin main shaft (10) in a sliding mode, second sliding grooves are formed in two sides of the bottom of the cross base board (15), a moving block (16) is connected to the inner portion of each second sliding groove in a sliding mode, an electric push rod (17) is fixedly connected to the bottom end of the moving block (16), a preformed groove is formed in the cross-shaped base plate (15), an I-shaped rod piece (19) is rotationally connected in the preformed groove, the I-shaped rod piece (19) is connected with the notch (12) in a sliding mode, second lead screws (20) are arranged at two ends of the I-shaped rod piece (19), the second lead screws (20) penetrate through the moving block (16) and are in threaded connection with the through holes, bearings are arranged at the connection positions of two ends of each second lead screw (20) and the cross-shaped base plate (15), one end of each second lead screw (20) is fixedly connected with a first rotating handle, storage cylinders (21) are arranged on two sides, far away from the second lead screws (20), of the cross-shaped base plate (15), an extension rod (22) is connected in the storage cylinders (21) in a sliding mode, a mounting base (23) is fixedly connected with the other end of each extension rod (22), and the bottom end of one mounting base (23), the bottom end of the other mounting seat (23) is detachably connected with a wiping brush (25) through a screw;

limiting plate (14) surface has seted up the slide opening, cross base plate (15) top is rotated and is connected with shank of bolt (26), shank of bolt (26) outside threaded connection has two adjusting nut (27), the quantity of slide opening and shank of bolt (26) all sets up to four, four the slide opening is respectively with four shank of bolt (26) phase-matches, and two adjusting nut (27) are located limiting plate (14) top and bottom respectively.

2. The end face boring device for the large-sized workpiece for machining according to claim 1, characterized in that: the clamping mechanism comprises a clamping plate (28), convex blocks (29) are integrally arranged on two sides of the clamping plate (28), a third groove is arranged on one side of the convex rail (2) close to the working groove (3), the convex block (29) is connected with the third groove in a sliding way, one side of the working groove (3) is rotatably connected with a third screw rod (30), the third screw rod (30) penetrates through one end of the clamping plate (28), and a third screw rod (30) is in threaded connection with a through hole of the clamping plate (28), one end of the third screw rod (30) is fixedly connected with a second rotating handle, the middle parts of two sides of the convex rail (2) are respectively provided with a fourth screw rod (31), the fourth screw rods (31) penetrate through the convex rail (2) and are in threaded connection with the convex rail (2), one end of the fourth screw rod (31) close to the working groove (3) is fixedly connected with a pressing block (32), and the other end of the fourth screw rod (31) is fixedly connected with a third rotating handle.

3. The end face boring device for the large-sized workpiece for machining according to claim 2, characterized in that: the cross sectional shape of splint (28) sets up to the B font, splint (28) bottom can be dismantled through the screw and be connected with scraping piece (33), scrape piece (33) and make by rubber materials, work groove (3) central point puts and has seted up unloading hole (34), unloading hole (34) run through workstation (1), workstation (1) bottom is equipped with containing box (35), containing box (35) and unloading hole (34) phase-match.

4. The end face boring device for the large-sized workpiece for machining according to claim 1, characterized in that: the rail groove is formed in the top of the convex rail (2), the rail block (36) is fixedly connected to the bottom of the support frame (4), the rail groove is connected with the rail block (36) in a sliding mode, and the support frame (4) is fixedly connected with the convex rail (2) through screws.

5. The end face boring device for the large-sized workpiece for machining according to claim 1, characterized in that: a main shaft sleeve (37) is sleeved on the outer side of the boring pin main shaft (10), and a spiral blade (38) is fixedly connected to the outer side of the main shaft sleeve (37).

6. The end face boring device for the large-sized workpiece for machining according to claim 5, characterized in that: concave spacing groove (39) have been seted up to notch (12) bottom, concave spacing groove (39) sliding connection has depression bar (40), depression bar (40) bottom fixedly connected with wedge (41), first spring (42) have been cup jointed in depression bar (40) outside.

7. The end face boring device for the large-sized workpiece for machining according to claim 6, characterized in that: string shape spacing groove (43) have all been seted up to spill spacing groove (39) both sides, string shape spacing groove (43) inside sliding connection has ejector pin (44), ejector pin (44) one end fixedly connected with sloping block (45), ejector pin (44) other end fixedly connected with thimble (46), be equipped with second spring (47) between sloping block (45) and string shape spacing groove (43), sloping block (45) and wedge (41) phase-match.

8. The end face boring device for the large-sized workpiece for machining according to claim 7, characterized in that: the annular has been seted up on main shaft sleeve (37) inner wall top, the annular both sides all an organic whole is provided with sawtooth rack (48), sawtooth rack (48) and thimble (46) phase-match.

9. The end face boring device for the large-sized workpiece for machining according to claim 1, characterized in that: the first screw rods (5) and the sliding rods (6) are distributed in parallel, and the boring pin main shaft (10) is arranged in the center of the beam frame (7).

10. The end face boring device for the large-sized workpiece for machining according to claim 2, characterized in that: the two second screw rods (20) are symmetrically distributed on the surface in a threaded manner, the third screw rod (30) is a bidirectional screw rod, the first motor (8) and the second motor (9) are both stepping motors, and the wiping brush (25) is made of sponge materials.