CN215674519U

CN215674519U - Convenient pull shaft device that removes

Info

Publication number: CN215674519U
Application number: CN202121831915.9U
Authority: CN
Inventors: 汪红兵; 陈伟彬
Original assignee: Zhejiang Kunyijia Machinery Manufacturing Co ltd
Current assignee: Zhejiang Kunyijia Machinery Manufacturing Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-28
Anticipated expiration: 2031-08-06

Abstract

A shaft pulling device convenient to move comprises a shaft pulling device, a bottom plate and a guide table, wherein the shaft pulling device is driven to move through the transmission of a rack gear, the phenomenon that the shaft pulling device cannot be fixed through screws in the market and cannot adjust the required moving distance while time and labor are wasted is avoided, when a transmission wheel is driven to rotate through a rotating rod, the device is moved to a required position, the rotating rod is pushed inwards, upper and lower semi-conical clamping blocks extend into a conical groove, the rotating rod cannot rotate due to the friction force of the semi-conical clamping blocks, the clamping block rear buckling block is rotated to a position parallel to a rotating rod handle through a rotating clamping plate, the clamping block is pulled out to be buckled into a buckling block, the rotating rod is prevented from rotating due to external factors or shaking of the device, the rotating rod is fixed to the rotating rod, a rotating push rod at the left end of the rotating is utilized, a positioning block is moved towards the lower end preliminarily, and the lower end of a positioning nail is buckled into a corresponding tooth socket on a rack, preventing rearward movement of the device when the axial force is too great.

Description

Convenient pull shaft device that removes

Technical Field

The utility model relates to the field of shaft part machining equipment, in particular to a shaft pulling device convenient to move.

Background

In the process of processing and producing a guide rail or a long shaft, a device is often needed to clamp one end of the long shaft or the guide rail and then move towards one or more directions, most of the devices on the current market are fixed on a table top of an installation table through screws, a plurality of screw holes are uniformly distributed on the table top of the installation table, so that a shaft pulling device is fixed in the screw holes at the required positions through the screws, and the effect of the fixing device is achieved.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a shaft pulling device which is convenient to move, so that an operator can conveniently adjust the axial distance of the shaft pulling device according to the working requirement and the use condition, and the labor and time consumption of manual installation are avoided.

The utility model adopts the technical scheme for solving the technical problems that: the conveniently-moved shaft pulling device comprises a shaft pulling device, a bottom plate and a guide table, wherein a shaft pulling device mounting groove is formed in the right side of the upper end of the bottom plate, the shaft pulling device is fixedly connected into the shaft pulling device mounting groove, a rack mounting groove is formed in the upper end of the guide table, racks are fixedly connected to the front side and the rear side in the rack mounting groove, a gear mounting cavity is formed in the left side of the lower end of the bottom plate, circular openings are formed in the front side and the rear side in the gear mounting cavity, a rotating rod is rotatably connected into the circular openings, a driving wheel which is positioned at the upper end of the rack and is in transmission connection with the racks is fixedly connected to the front end and the rear end of the rotating rod, a rotation stopping block is arranged at the upper end in the gear mounting cavity, a conical groove is formed in the front end of the rotation stopping block, the rotating rod penetrates through the conical groove and is movably connected into the conical groove, a circular piece which is positioned on the right side of the rotation stopping block is arranged on the rotating rod, and a semi-conical clamping block corresponding to the conical groove is rotatably connected to the upper end and the lower end of the left side of the circular piece through a rotating shaft, the semi-conical clamping block is made of rubber with a large friction coefficient, the rotary rod can be stretched in the circular opening in the front and back direction, the transmission wheel is always meshed with the rack, the distance of movement of the device can be changed according to working conditions through meshing transmission of the rack and the gear, and meanwhile, the rotary rod can be fixed due to the fact that the friction of the semi-conical clamping block cannot rotate through the semi-conical clamping block.

In order to further improve the structure, an annular rotating groove concentric with a rotating rod is arranged on the left side of the front end of the bottom plate, a rotating clamping plate is arranged on the left side of the front end of the bottom plate, an annular rotating block corresponding to the annular rotating groove is arranged on the rear side of the rotating clamping plate, a rotating rod opening is arranged at the front end of the rotating clamping plate, the rotating rod is rotatably connected in the rotating rod opening, a fastening belt mounting groove positioned at the upper end of the rotating rod is arranged at the upper end in the rotating clamping plate, a fastening belt mounting shaft is rotatably connected in the fastening belt mounting groove, a torsion spring is arranged between the fastening belt mounting shaft and the inner wall of the fastening belt mounting groove, a groove opening communicated with the upper end in the fastening belt mounting groove is arranged at the front end of the rotating clamping plate, a fastening belt is wound on the fastening belt mounting shaft, one end of the fastening belt is fixedly connected on the fastening belt mounting shaft through a limiting shaft, one end of the fastening belt, which is close to the outer side, extends out of the groove opening and is provided with a clamp buckle outside of the groove opening, rotatory splint front end is equipped with and is located the rotary rod lower extreme and detain the piece with the clip corresponds, the straining area can pull out length and be less than the groove opening, push back rotary rod top and detain the distance between the piece groove, detains through the clip that pulls out and goes into in detaining the piece, makes the rotary rod fixed, and the half toper clamp splice of rotary rod front end stretches into bottom in the bell jar all the time to keep the complete laminating state.

Further perfection, the upper side of the left end of the bottom plate is fixedly connected with a push rod sleeve body, a push plate is installed in the push rod sleeve body, a rotary sleeve is arranged at the upper end of the push plate, a rotary push rod is rotatably connected to the upper end of the rotary sleeve, threads are arranged at the upper end of the rotary push rod, a threaded hole corresponding to the threaded position of the rotary push rod is arranged at the upper end of the push rod sleeve body, the rotary push rod is connected with the threaded hole through thread transmission, positioning blocks are arranged at four corners of the lower end of the push plate, a guide sleeve corresponding to the position of the positioning block is arranged in the gear installation cavity, gaps in the guide sleeve are communicated with the upper end of the bottom plate, the positioning block is slidably connected in the guide sleeve, a telescopic cavity is arranged on the inner side of the lower end of the positioning block, a positioning pin is slidably connected in the telescopic cavity, a spring is installed between the upper end of the positioning pin and the inner upper end of the telescopic cavity, the lower end of the positioning pin is consistent with the tooth form of the rack, and the push rod is rotated, with locating piece downstream, the location nail laminating of locating piece lower extreme is in the tooth's socket of rack to the current position of fixed rotating shaft prevents that the axle thrust from leading to the device to move backward when too big, simultaneously because can't guarantee during the rotation that the location nail pastes into completely in the tooth's socket, is equipped with the space that can let the location nail rise in the locating piece, and the location nail of being convenient for can be according to the length that tooth's socket position control stretches out.

Further perfection, the distance between the positioning nails distributed left and right is slightly larger than the distance between the positioning nails corresponding to the positioning blocks on the rack, and when the distances are consistent, the positioning nails are not positioned in the center, so that the device can move left and right in a small range.

Further perfect, both sides all are equipped with the triangle guide way around the guide table, and both sides are equipped with the direction supporting shoe around the bottom plate right-hand member is equipped with, and front and back direction supporting shoe is equipped with the triangle guide block that corresponds with the triangle guide way towards one side in the middle of, triangle guide block sliding connection is in the triangle guide way, makes the device laminate completely in the guide table upper end.

The utility model has the beneficial effects that: the movement of the shaft pulling device is driven by the transmission of a rack gear, the phenomenon that the distance required to move cannot be adjusted when time and labor are wasted due to the fact that the shaft pulling device is fixed by screws on the market is avoided, when the transmission wheel is driven to rotate by a rotating rod, the rotating rod is pushed inwards to enable upper and lower semi-conical clamping blocks to extend into conical grooves, the rotating rod cannot rotate due to the friction force of the semi-conical clamping blocks, then the clamping block rear buckling block is rotated to be parallel to a rotating rod handle by a rotating clamping plate, the clamping block is pulled out to be buckled into the buckling block, as the length of the buckling belt can be pulled out to be smaller than a groove opening, the distance between the top end of the rotating rod and three points at the groove of the buckling block after pushing in is prevented from rotating, the rotating rod is prevented from rotating due to external factors or device shaking, the primary fixing of the rotating rod is achieved, then the rotating push rod at the left end is utilized to move a positioning block to the lower end, the lower end of the positioning nail is buckled into the corresponding tooth groove on the rack, so that the backward movement of the device caused by overlarge axial force is prevented.

Drawings

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

FIG. 2 is a schematic structural view of a guide table;

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

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic view of a bottom plate structure;

FIG. 7 is a schematic structural view of a gear mounting cavity;

fig. 8 is an enlarged view of a portion a in fig. 4.

Description of reference numerals: 1 shaft drawing device, 2 bottom plate, 3 guide table, 4 shaft drawing device mounting groove, 5 rack mounting groove, 6 rack, 7 gear mounting cavity, 8 round opening, 9 rotary rod, 10 driving wheel, 11 rotation stop block, 12 conical groove, 13 round piece, 14 semi-conical clamping block, 15 annular rotary groove, 16 rotary clamping plate, 17 annular rotary block, 18 rotary rod opening, 19 fastening belt mounting groove, 20 fastening belt mounting shaft, 21 groove opening, 22 fastening belt, 23 fastening belt, 24 fastening block, 25 push rod sleeve body, 26 push plate, 27 rotary sleeve, 28 rotary push rod, 29 threaded hole, 30 positioning block, 31 guide sleeve, 32 telescopic cavity, 33 positioning nail, 34 spring, 35 triangular guide groove, 36 guide support block, 37 triangular guide block.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

referring to figures 1-7: a shaft drawing device convenient to move comprises a shaft drawing device 1, a base plate 2 and a guide table 3, wherein a shaft drawing device mounting groove 4 is formed in the right side of the upper end of the base plate 2, the shaft drawing device 1 is fixedly connected into the shaft drawing device mounting groove 4, a rack mounting groove 5 is formed in the upper end of the guide table 3, racks 6 are fixedly connected to the front side and the rear side in the rack mounting groove 5, a gear mounting cavity 7 is formed in the left side of the lower end of the base plate 2, circular openings 8 are formed in the front side and the rear side in the gear mounting cavity 7, a rotary rod 9 is rotatably connected in the circular openings 8, a driving wheel 10 which is positioned at the upper end of the rack 6 and is in transmission connection with the racks 6 is fixedly connected to the front end and the rear end of the rotary rod 9, a rotation stopping block 11 is arranged at the upper end in the gear mounting cavity 7, a conical groove 12 is formed in the front end of the rotation stopping block 11, the rotary rod 9 is movably connected into the conical groove 12, a circular sheet 13 which is positioned at the right side of the rotation stopping block 11 is arranged on the rotary rod 9, the upper end and the lower end of the left side of the circular sheet 13 are rotatably connected with a semi-conical clamping block 14 corresponding to the conical groove 12 through a rotating shaft, the semi-conical clamping block 14 is made of rubber with a large friction coefficient, the rotating rod 9 can be stretched in the circular opening 8 in a front-back mode, and the driving wheel 10 is always meshed with the rack 6.

Referring to figures 1, 6 and 8: the utility model discloses a rotary clamping device, including bottom plate 2, rotary splint 16, rotatory splint 16 rear side is equipped with the rotatory piece 17 of annular that corresponds with rotatory groove 15, and the front end of rotary splint 16 is equipped with rotary rod opening 18, rotary rod 9 rotatable coupling is in rotary rod opening 18 in the bottom plate 2 front end left side, the rotatory splint 16 rear side is equipped with the rotatory piece 17 of annular that corresponds with the rotatory groove 15 of annular, and the rotatory splint 16 front end is equipped with rotary strap 22 mounting groove 19 in the rotary splint 16, the internal rotation of rotary strap 22 mounting groove 19 is connected with the installation axle 20 of fastening strap 22, install the torsional spring between fastening strap 22 installation axle 20 and the fastening strap 22 mounting groove 19 inner wall, the rotary splint 16 front end is equipped with the communicating groove opening 21 of upper end in the fastening strap 22 mounting groove 19, the winding has fastening strap 22 on fastening strap 22 installation axle 20, fastening strap 22 one end is through spacing axle fixed connection on fastening strap 22 installation axle 20, the one end that fastening belt 22 is close to the outside stretches out groove opening 21 and is equipped with clip 23 in the groove opening 21 outside, rotatory splint 16 front end is equipped with and is located the rotary rod 9 lower extreme and detains the piece 24 with clip 23 corresponds, fastening belt 22 can pull out length and be less than groove opening 21, push back rotary rod 9 top and detain the distance between the 24 groove of piece three points.

Referring to FIGS. 4-7: a push rod sleeve body 25 is fixedly connected to the upper side of the left end of the bottom plate 2, a push plate 26 is installed in the push rod sleeve body 25, a rotary sleeve 27 is arranged at the upper end of the push plate 26, a rotary push rod 28 is rotatably connected to the upper end of the rotary sleeve 27, threads are arranged at the upper end of the rotary push rod 28, a threaded hole 29 corresponding to the threaded position of the rotary push rod 28 is formed in the upper end of the push rod sleeve body 25, the rotary push rod 28 is in threaded transmission connection with the threaded hole 29, positioning blocks 30 are arranged at four corners of the lower end of the push plate 26, a guide sleeve 31 corresponding to the positioning blocks 30 is arranged in the gear installation cavity 7, a gap in the guide sleeve 31 is communicated with the upper end of the bottom plate 2, the positioning blocks 30 are slidably connected in the guide sleeve 31, a telescopic cavity 32 is formed in the inner side of the lower end of the positioning blocks 30, a positioning nail 33 is slidably connected in the telescopic cavity 32, and a spring 34 is installed between the upper end of the positioning nail 33 and the inner upper end of the telescopic cavity 32, the lower ends of the positioning nails 33 are in accordance with the tooth shape of the rack 6, and the distance between the positioning nails 33 distributed left and right is slightly larger than the distance between the corresponding tooth-shaped blocks on the rack 6.

Referring to figures 1 and 6: the front side and the rear side of the guide table 3 are provided with triangular guide grooves 35, the front side and the rear side of the right end of the bottom plate 2 are provided with guide supporting blocks 36, one side, facing the middle, of each front guide supporting block 36 is provided with a triangular guide block 37 corresponding to the triangular guide groove 35, and the triangular guide blocks 37 are slidably connected in the triangular guide grooves 35.

In the embodiment, the movement of the shaft pulling device is driven by the transmission of the rack and the gear, the phenomenon that the distance required to move cannot be adjusted when time and labor are wasted due to the fact that the shaft pulling device is fixed by screws on the market is avoided, when the transmission wheel is driven to rotate by the rotary rod, the rotary rod is pushed inwards to enable the upper half-conical clamping block and the lower half-conical clamping block to extend into the conical groove, the friction force of the half-conical clamping block is utilized to enable the rotary rod to be incapable of rotating, then the clamping block rear buckling block is rotated to be parallel to the rotary rod handle by the rotary clamping plate, the clamping block is pulled out to be buckled in the buckling block, as the buckling belt 22 can pull out the rotary rod with the length smaller than the groove opening and the distance between the top end of the rotary rod and the three points at the groove of the buckling block after pushing, the rotary rod is prevented from rotating due to external factors or device shaking, the fixing of the rotary rod is achieved, and the rotary push rod at the primary left end is utilized, the positioning block is moved towards the lower end, so that the lower end of the positioning nail is buckled into the corresponding tooth groove on the rack, and the backward movement of the device caused by overlarge axial force is prevented.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a convenient axle device that draws that removes, includes draws shaft ware (1), bottom plate (2) and direction platform (3), characterized by: the automatic shaft drawing device is characterized in that a shaft drawing device mounting groove (4) is formed in the right side of the upper end of the base plate (2), a shaft drawing device (1) is fixedly connected in the shaft drawing device mounting groove (4), a rack mounting groove (5) is formed in the upper end of the guide table (3), racks (6) are fixedly connected to the front side and the rear side in the rack mounting groove (5), a gear mounting cavity (7) is formed in the left side of the lower end of the base plate (2), circular openings (8) are formed in the front side and the rear side in the gear mounting cavity (7), a rotary rod (9) is rotatably connected to the circular openings (8), a transmission wheel (10) which is located at the upper end of the rack (6) and is in transmission connection with the racks (6) is fixedly connected to the front end and the rear end of the rotary rod (9), a rotation stopping block (11) is arranged at the upper end in the gear mounting cavity (7), a conical groove (12) is formed in the front end of the rotation stopping block (11), and the rotary rod (9) passes through the conical groove (12) and is movably connected to the conical groove (12), be equipped with on rotary rod (9) and be located circular piece (13) on the stagnant rotary block (11) right side, both ends all are connected with half toper clamp splice (14) that correspond with circular cone groove (12) through the pivot rotation about circular piece (13) left side.

2. A portable pull stud assembly as claimed in claim 1, further comprising: the semi-conical clamping block (14) is made of rubber with a large friction coefficient.

3. A portable pull stud assembly as claimed in claim 1, further comprising: the rotating rod (9) can be stretched back and forth in the circular opening (8) and the driving wheel (10) is always meshed with the rack (6).

4. A portable pull stud assembly as set forth in claim 3 wherein: the utility model discloses a rotary clamping device, including bottom plate (2), bottom plate (2) front end left side is equipped with annular swivelling chute (15) with rotary rod (9) is endocentric, and bottom plate (2) front end left side installs swivel splint (16), swivel splint (16) rear side is equipped with annular swivelling block (17) that corresponds with annular swivelling chute (15), and swivel splint (16) front end is equipped with rotary rod opening (18), rotary rod (9) rotatable coupling is in rotary rod opening (18), the upper end is equipped with fastening belt (22) mounting groove (19) that are located rotary rod (9) upper end in swivel splint (16), fastening belt (22) mounting groove (19) internal rotation is connected with fastening belt (22) installation axle (20), install the torsional spring between fastening belt (22) installation axle (20) and fastening belt (22) mounting groove (19) inner wall, swivel splint (16) front end be equipped with fastening belt (22) mounting groove (19) interior communicating groove opening (21) of upper end, the utility model discloses a buckle, including buckle area (22), spacing axle fixed connection, slot opening (21) and slot opening (21) outside are stretched out and are equipped with fastener (23) in buckle area (22) one end, buckle area (22) one end is passed through spacing axle fixed connection on buckle area (22) installation axle (20), buckle area (22) one end near the outside stretches out slot opening (21) and is equipped with fastener (23) in slot opening (21) outside, rotatory splint (16) front end is equipped with and is located rotary rod (9) lower extreme and knot piece (24) that correspond with fastener (23).

5. A portable pull stud assembly as set forth in claim 4 wherein: the drawable length of the fastening belt (22) is less than the distance between the three points of the groove opening (21), the top end of the rotating rod (9) after being pushed in and the groove of the fastening block (24).

6. A portable pull stud assembly as claimed in claim 1, further comprising: the upper side of the left end of the bottom plate (2) is fixedly connected with a push rod sleeve body (25), a push plate (26) is installed in the push rod sleeve body (25), a rotary sleeve (27) is arranged at the upper end of the push plate (26), the upper end of the rotary sleeve (27) is rotatably connected with a rotary push rod (28), threads are arranged at the upper end of the rotary push rod (28), a threaded hole (29) corresponding to the threaded position of the rotary push rod (28) is formed in the upper end of the push rod sleeve body (25), the rotary push rod (28) is connected with the threaded hole (29) through threaded transmission, positioning blocks (30) are arranged at four corners of the lower end of the push plate (26), a guide sleeve (31) corresponding to the positioning block (30) is arranged in the gear installation cavity (7), a gap in the guide sleeve (31) is communicated with the upper end of the bottom plate (2), the positioning block (30) is slidably connected in the guide sleeve (31), and a telescopic cavity (32) is arranged on the inner side of the lower end of the positioning block (30), the telescopic cavity (32) is internally and slidably connected with a positioning nail (33), a spring (34) is arranged between the upper end of the positioning nail (33) and the inner upper end of the telescopic cavity (32), and the lower end of the positioning nail (33) is consistent with the tooth form of the rack (6).

7. A portable pull stud assembly as claimed in claim 6, further comprising: the distance between the positioning nails (33) distributed left and right is slightly larger than the distance between the corresponding positioning blocks on the rack (6).

8. A portable pull stud assembly as claimed in claim 1, further comprising: the guide table is characterized in that triangular guide grooves (35) are formed in the front side and the rear side of the guide table (3), guide supporting blocks (36) are arranged on the front side and the rear side of the right end of the bottom plate (2), triangular guide blocks (37) corresponding to the triangular guide grooves (35) are arranged on the front guide supporting block (36) and the rear guide supporting block (36) towards the middle side, and the triangular guide blocks (37) are connected in the triangular guide grooves (35) in a sliding mode.