CN216228022U

CN216228022U - Machining center positioning device

Info

Publication number: CN216228022U
Application number: CN202121442230.5U
Authority: CN
Inventors: 周清波; 杨越; 郑宁宁
Original assignee: Xiangyang Nanzhou Machinery Co ltd
Current assignee: Xiangyang Nanzhou Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-04-08
Anticipated expiration: 2031-06-28

Abstract

The utility model relates to the field of machining, and discloses a machining center positioning device which comprises a mounting plate, wherein two baffles are fixedly connected to the front side and the rear side of the upper end of the mounting plate, the two baffles positioned on the same side are arranged at intervals, a bidirectional threaded rod is connected between the two baffles which correspond to each other in the front-rear direction in a rotating mode, two movable plates which are symmetrically arranged in the front-rear direction are sleeved on the two bidirectional threaded rods in a sleeved mode through common threads, a push rod penetrates through the center of each movable plate in a sliding mode, the opposite ends of the two push rods are fixedly connected with a clamping plate, and the left side and the right side of the upper end and the lower end of the clamping plate are fixedly connected with first fixing plates. The utility model has the following advantages and effects: when the rubber belt that is located the grip block wearing and tearing need be changed, thereby only need to change through second motor drive is automatic, compares manual change rubber pad in the past, and is simpler and more convenient, and changes fastly, efficient.

Description

Machining center positioning device

Technical Field

The utility model relates to the technical field of machining, in particular to a machining center positioning device.

Background

A center positioning device is usually installed on a conventional machine tool to facilitate fixing and clamping a workpiece to be machined, so that the workpiece is located at a good machining position.

When a workpiece is clamped by a machining center positioning device in the prior art, in order to avoid damage to the surface of the workpiece caused by clamping blocks, a rubber pad is usually arranged on a contact surface of a clamping plate and the workpiece, the surface of the workpiece is prevented from being damaged by the arrangement of the rubber pad, and the clamping block also has good anti-slip performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning device of a machining center, which has the effect of convenient opening and closing.

The technical purpose of the utility model is realized by the following technical scheme: a positioning device of a machining center comprises a mounting plate, wherein two baffles are fixedly connected to the front side and the rear side of the upper end of the mounting plate, the two baffles positioned on the same side are arranged at intervals, two baffles which correspond to each other in the front and the rear direction are connected with a bidirectional threaded rod in a rotating mode, two movable plates which are symmetrically arranged in the front and the rear direction are sleeved on the two bidirectional threaded rods in a rotating mode, a push rod penetrates through the central position of each movable plate in a sliding mode, opposite ends of the two push rods are fixedly connected with a clamping plate, the left side and the right side of the upper end and the lower end of the clamping plate are fixedly connected with first fixed plates, guide rollers are rotatably connected between the two first fixed plates positioned on the same side, the baffles are close to one end of the clamping plate and are fixedly connected with two second fixed plates which are arranged at intervals up and down in the corresponding positions of the two guide rollers, and first rotating shafts are rotatably connected between the two second fixed plates which correspond up and down, the upper ends of the two first rotating shafts penetrate through the second fixing plate above and are fixedly sleeved with first gears, the upper ends of the two moving plates are rotatably connected with second rotating shafts at corresponding positions of the first gears, the second rotating shafts are fixedly sleeved with second gears, and the second gears are meshed with the corresponding first gears.

Through adopting above-mentioned technical scheme, can carry out centre gripping location work, can carry out automatic the change to the rubber tape of wearing and tearing simultaneously.

The utility model is further provided with: two-way threaded rod belt drive connects, one of them fixed mounting has a motor on the baffle, the output and two-way threaded rod one end fixed connection of motor.

Through adopting above-mentioned technical scheme, two-way threaded rod synchronous rotations can be driven simultaneously to first motor.

The utility model is further provided with: the cross section of each push rod is rectangular, threaded holes are formed in the ends, away from each other, of the push rods, threaded rods are connected in the threaded holes, one end, away from the clamping plate, of the movable plate is fixedly connected with a fixing frame, and the threaded rods penetrate through the fixing frame and are connected with the fixing frame in a rotating mode.

Through adopting above-mentioned technical scheme, during screw thread gamma rotated, can promote the push rod and remove to adjust the elasticity of rubber tape.

The utility model is further provided with: and a rotating block is fixedly sleeved at one end of the threaded rod, which is far away from the threaded hole.

Through adopting above-mentioned technical scheme, conveniently rotate the turning block.

The utility model is further provided with: and the two second rotating shafts on the same moving plate are in transmission connection, the two moving plates are respectively provided with a second motor, and the two second motors are respectively fixedly connected with one second rotating shaft.

Through adopting above-mentioned technical scheme, two second axis of rotation rotations of second motor simultaneous drive.

The utility model is further provided with: the two first rotating shafts positioned on the left side are sleeved with rubber belt wheels, rubber belts are wound on the rubber belt wheels, and the rubber belts are fixed with the first rotating shafts positioned on the right side after sequentially bypassing the two guide rollers on the corresponding clamping plates.

Through adopting above-mentioned technical scheme, guarantee that the rubber tape makes it laminate grip block surface.

The utility model has the beneficial effects that: when the rubber belt that is located the grip block wearing and tearing need be changed, thereby only need to change through second motor drive is automatic, compares manual change rubber pad in the past, and is simpler and more convenient, and changes fastly, efficient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic top view of a positioning device of a machining center according to the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a perspective view of a clamping plate in the positioning device of a machining center according to the present invention.

Fig. 4 is a perspective view of a push rod in a positioning device of a machining center according to the present invention.

In the figure, 1 mounting plate, 2 baffle plates, 3 bidirectional threaded rod, 4 moving plate, 5 push rods, 6 clamping plates, 7 threaded rod, 8 fixing frame, 9 rotating block, 10 first fixing plate, 11 guide roller, 12 second fixing plate, 13 first rotating shaft, 14 first gear, 15 second rotating shaft, 16 second gear and 17 rubber belt.

Detailed Description

Referring to fig. 1-3, a machining center positioner, including mounting panel 1, two baffles 2 of equal fixedly connected with in both sides position around mounting panel 1 upper end, two baffles 2 interval settings that lie in same one side, rotate jointly between two baffles 2 that correspond each other around and be connected with two-way threaded rod 3, two movable plates 4 that symmetry set up around two on the two-way threaded rod 3 are cup jointed to common screw thread, fixed mounting has first motor on one of them baffle 2, the output and the 3 one end fixed connection of two-way threaded rod of motor, two-way threaded rod 3 synchronous rotations can be driven simultaneously to first motor, drive two movable plates 4 relative movement then.

The central point of movable plate 4 puts the slip and runs through push rod 5, and the common fixedly connected with grip block 6 of the relative one end of two push rods 5, grip block 6 are used for the centre gripping work piece, and the equal fixedly connected with first fixed plate 10 in left and right sides position at both ends about grip block 6, lie in to rotate between two first fixed plates 10 with one side and be connected with deflector roll 11, can make the rubber tape 17 laminating grip block 6 surface of walking around. Baffle 2 is close to the one end of grip block 6 and the second fixed plate 12 that sets up at two equal fixedly connected with upper and lower intervals in the corresponding position of two deflector rolls 11, it is connected with first axis of rotation 13 to rotate jointly between two second fixed plates 12 that correspond from top to bottom, it is equipped with the rubber belt wheel to be located the cover on two left first axis of rotation 13, the winding has rubber tape 17 on the rubber belt wheel, rubber tape 17 is fixed with the first axis of rotation 13 that is located the right side after bypassing two deflector rolls 11 on the grip block 6 that correspond in proper order, when two first axis of rotation 13 synchronous rotations, rubber tape 17 can remove.

The upper ends of the two first rotating shafts 13 penetrate through the upper second fixing plate 12 and are fixedly sleeved with the first gears 14, the upper ends of the two movable plates 4 are rotatably connected with second rotating shafts 15 at corresponding positions of the first gears 14, the second gears 16 are fixedly sleeved on the second rotating shafts 15, the second gears 16 are meshed with the corresponding first gears 14, the two second rotating shafts 15 on the same movable plate 4 are in transmission connection, the second motors are mounted on the two movable plates 4 and are fixedly connected with the second rotating shafts 15, one second motor can simultaneously drive the two second rotating shafts 15 to rotate, and then the two first rotating shafts 13 are driven to synchronously rotate

The cross-section of two push rods 5 is the rectangle, push rod 5 can not rotate, the one end that two push rods 5 kept away from mutually all set up threaded hole, threaded hole female connection has threaded rod 7, the one end fixedly connected with mount 8 of grip block 6 is kept away from to movable plate 4, threaded rod 7 runs through mount 8 and rotates with it to be connected, threaded rod 7 keeps away from the fixed coupling of one end of screw hole and has connect turning block 9, it can drive threaded rod 7 and rotate to rotate turning block 9, thereby promote push rod 5, make grip block 6 remove, with the elasticity of adjusting rubber area 17, the laminating grip block 6 of change.

When the present invention is used, the present device is mounted on a machine tool by using the mounting plate 1, and when a work is clamped, the two bidirectional threaded rods 3 are driven by the first motor to synchronously rotate, then the two moving blocks 4 are driven to relatively move, the workpiece is clamped by the clamping plate 6, and the surface of the clamping plate 6 is adhered with a rubber belt 17, which plays the roles of preventing the rubber pad from being damaged and preventing the rubber pad from sliding, when the rubber belt 17 on the surface of the clamping plate 6 is worn, it is only necessary to simultaneously rotate the two second rotating shafts 15 by the second motor, and then the two second gears 16 are simultaneously rotated and rotate the two first rotating shafts 13 by meshing with the first gears 14, so that the rubber tape wheel on the left first rotating shaft 13 releases the rubber tape 17 and the right first rotating shaft 13 winds the rubber tape 17, thereby automatically replacing the surface of the clamping plate 6 with a new rubber tape 17. The mode has the advantages of high replacing speed, high efficiency, no need of manual replacement, simplicity and convenience.

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Claims

1. The utility model provides a machining center positioner, includes mounting panel (1), its characterized in that, two baffles (2) of equal fixedly connected with in both sides position around mounting panel (1) upper end, two baffles (2) interval that lie in same one side set up, two that front and back mutual correspondence rotate jointly between baffle (2) and be connected with two-way threaded rod (3), two common screw thread has cup jointed two movable plates (4) that symmetry set up around on two-way threaded rod (3), the central point of movable plate (4) puts the slip and has penetrated push rod (5), two the common fixedly connected with grip block (6) of the relative one end of push rod (5), the equal fixedly connected with first fixed plate (10) in the left and right sides position at both ends about grip block (6), lie in two of same one side rotate between first fixed plate (10) and be connected with deflector roll (11), baffle (2) are close to the one end of grip block (6) and at the equal fixedly connected with second fixed plate (12) that two intervals set up about the corresponding position of two deflector rolls (11), correspond two from top to bottom rotate jointly between second fixed plate (12) and be connected with first axis of rotation (13), two first axis of rotation (13) upper end all runs through top second fixed plate (12) and sets up and fixed the first gear (14) of having cup jointed, two moving plate (4) upper end and all rotate at the corresponding position of each first gear (14) and be connected with second axis of rotation (15), each all fixed second gear (16) of having cup jointed on second axis of rotation (15), each second gear (16) and the first gear (14) meshing that corresponds.

2. A machining center positioning device according to claim 1, characterized in that: two-way threaded rod (3) area transmission is connected, one of them fixed mounting has a motor on baffle (2), the output and two-way threaded rod (3) one end fixed connection of motor.

3. A machining center positioning device according to claim 1, characterized in that: two push rod (5) cross-section is the rectangle, two the one end that push rod (5) kept away from mutually all sets up threaded hole, threaded hole female connection has threaded rod (7), the one end fixedly connected with mount (8) of grip block (6) are kept away from movable plate (4), threaded rod (7) run through mount (8) and rotate with it and be connected.

4. A machining center positioning device according to claim 3, characterized in that: and a rotating block (9) is fixedly sleeved at one end of the threaded rod (7) far away from the threaded hole.

5. A machining center positioning device according to claim 1, characterized in that: and two second rotating shafts (15) positioned on the same moving plate (4) are in belt transmission connection, two second motors are arranged on the moving plate (4), and the two second motors are fixedly connected with one second rotating shaft (15).

6. A machining center positioning device according to claim 1, characterized in that: the rubber belt wheel is sleeved on the two first rotating shafts (13) on the left side, a rubber belt (17) is wound on the rubber belt wheel, and the rubber belt (17) sequentially bypasses the two guide rollers (11) on the corresponding clamping plates (6) and then is fixed with the first rotating shafts (13) on the right side.