CN210360867U

CN210360867U - Grinding machine positioning device

Info

Publication number: CN210360867U
Application number: CN201920624723.7U
Authority: CN
Inventors: 王铭汉
Original assignee: Langfang Meilan Xitong Machinery Manufacturing Co ltd
Current assignee: Langfang Meilan Xitong Machinery Manufacturing Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-04-21
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a grinding machine positioning device, which comprises a bed body, wherein two sides of the bottom of the bed body are fixedly connected with bases, a balancing weight is arranged between the bases, the top of the bed body is fixedly connected with a workbench, a chute is arranged on the workbench, movable frames are inserted into two sides of the chute, the top end of each movable frame is fixedly connected with a positioning frame, the interior of the bed body is of a hollow structure, a guide block is fixedly connected between the inner walls of the top ends of the bed body, the guide block runs through the two movable frames, one side wall of each movable frame is fixedly connected with a first spring, the first springs are positioned at two sides of the guide block, the other ends of the first springs are fixedly connected with the inner walls of the bed body, a hydraulic cylinder is arranged at the bottom of the inner cavity of the bed body, the top end of an output shaft of the hydraulic, a connecting rod is movably connected between the two fixed seats through a rod shaft.

Description

Grinding machine positioning device

Technical Field

The utility model relates to a grinding process technical field specifically is a grinding machine positioner.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like. When a grinding machine is used for grinding, a workpiece needs to be positioned and fixed so as to avoid the influence on the machining precision caused by shaking and displacement due to the action of external force, and the existing grinding machine positioning structure is simple in design and not firm enough in fixation, so that the stability of the workpiece during machining cannot meet the requirement, and the quality of a finished product is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's grinding machine location structure singleness, firm inadequately, poor stability, the work piece takes place easily to rock and the defect of displacement, provides a grinding machine positioner. A grinding machine positioner has characteristics such as the structure is various, and is fixed firm, and stability is high, location effect is good.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding machine positioning device comprises a bed body, wherein two sides of the bottom of the bed body are fixedly connected with a base, a balancing weight is arranged between the bases, the top of the bed body is fixedly connected with a workbench, a chute is arranged on the workbench, the movable frames are inserted into the two sides of the sliding groove, the tail end of the top of each movable frame is fixedly connected with a positioning frame, the inside of the bed body is of a hollow structure, a guide block is fixedly connected between the inner walls of the top ends of the guide blocks, the guide block penetrates through the two movable frames, the side wall of one side of each movable frame is fixedly connected with a first spring, the first springs are positioned at the two sides of the guide block, the other end of the bed body is fixedly connected with the inner wall of the bed body, a hydraulic cylinder is arranged at the bottom of the inner cavity of the bed body, the hydraulic cylinder is characterized in that a transmission plate is fixedly connected to the top end of an output shaft of the hydraulic cylinder, fixing seats are arranged on two sides of the transmission plate and at the tail end of the bottom of the movable frame, and a connecting rod is movably connected between the two fixing seats through a rod shaft.

Preferably, the locating rack is the U font, and its inner wall surface is provided with the one deck rubber pad, just the top and the bottom of locating rack all set up threaded hole, threaded hole female connection has the threaded rod, the top fixedly connected with crank of threaded rod, its bottom fixedly connected with ejector pad, the below of ejector pad is provided with splint, the top fixedly connected with driving frame of splint, the threaded rod runs through the top outer wall of driving frame, the equal fixedly connected with second spring in top both sides of splint, the other end fixed connection of second spring is at the inner wall of locating rack.

Preferably, a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the clamping plate.

Preferably, the side wall of the other side of the movable frame is fixedly connected with a pair of wheel frames, the wheel frames are positioned at two sides of the guide block, and the tail ends of the wheel frames are movably connected with rollers through wheel shafts.

Preferably, the output shaft body cover of pneumatic cylinder is equipped with spacing pipe, the equal fixedly connected with mount of both sides outer wall of spacing pipe, the bottom fixed connection of mount is in the inner chamber bottom of the bed body.

Compared with the prior art, the beneficial effects of the utility model are that:

make it drive the driving plate downstream through driving hydraulic cylinder, the connecting rod through its both sides drives the adjustable shelf during the driving plate downstream and is moved to middle direction by both sides along the guide block, contact until the both sides lateral wall of locating rack and work piece, thereby usable locating rack carries out preliminary location to the work piece, make the terminal ejector pad of threaded rod drive splint to move together through rotating the crank, until the splint tightly support the surface at the work piece, thereby utilize splint to do further location to the work piece, make on the level of work piece and the vertical direction homoenergetic obtain effectual location and fixed, prevent then that the work piece from taking place to rock and the precision that the displacement influences processing because of receiving exogenic action in the course of working.

Drawings

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

FIG. 2 is a top view of the table;

fig. 3 is an enlarged view of fig. 2 at a.

Reference numbers in the figures: the device comprises a bed body 1, a base 2, a balancing weight 3, a workbench 4, a sliding chute 5, a movable frame 6, a positioning frame 7, a guide block 8, a first spring 9, a hydraulic cylinder 10, a transmission plate 11, a fixed seat 12, a connecting rod 13, a threaded hole 14, a threaded rod 15, a crank 16, a pushing block 17, a clamping plate 18, a transmission frame 19, a second spring 20, a wheel frame 21, a roller 22, a limiting pipe 23 and a fixing frame 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a grinding machine positioning device comprises a bed body 1, wherein bases 2 are fixedly connected to two sides of the bottom of the bed body 1, a layer of rubber gasket is arranged on the surface of the bottom of each base, herringbone anti-slip lines are carved on the surface of each rubber gasket, the friction force between each base 2 and the ground can be increased, the stability of the bed body 1 is improved, slipping is prevented, a balancing weight 3 is arranged between the bases 2, the weight of the bed body 1 can be increased through the balancing weight 3, the stability of the bed body is further improved, a workbench 4 is fixedly connected to the top of the bed body 1, a sliding groove 5 is formed in the workbench 4, movable frames 6 are inserted into two sides of the sliding groove 5, each movable frame 6 is U-shaped, a positioning frame 7 is fixedly connected to the tail end of the top of each movable frame 7, each positioning frame 7 is U-shaped, a layer of rubber gasket is arranged on the surface of the inner wall of each positioning, the top and the bottom of the positioning frame 7 are both provided with threaded holes 14, the threaded holes 14 are internally threaded with threaded rods 15, the top end of each threaded rod 15 is fixedly connected with a crank 16, the bottom end of each threaded rod is fixedly connected with a push block 17, a clamping plate 18 is arranged below the push block 17, a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the clamping plate 18, the rubber blocks have elasticity, and can elastically deform when being extruded, so that a workpiece can be protected from being clamped by the clamping plate 18, the top of the clamping plate 18 is fixedly connected with a transmission frame 19, the threaded rods 15 penetrate through the outer wall of the top of the transmission frame 19, the two sides of the top of the clamping plate 18 are both fixedly connected with second springs 20, the other ends of the second springs 20 are fixedly connected with the inner wall of the positioning frame 7, the inside of the bed body 1 is of a hollow structure, guide blocks 8 are fixedly connected between the inner walls of the, the first springs 9 are positioned at two sides of the guide block 8, the other end of the first springs is fixedly connected to the inner wall of the bed body 1, the other side wall of the movable frame 6 is fixedly connected with a pair of wheel frames 21, the wheel frames 21 are positioned at two sides of the guide block 8, the tail end of the wheel frames is movably connected with a roller 22 through a wheel shaft, the roller 22 is contacted with the surface of the guide block 8, the stability of the movable frame 6 during left and right movement can be improved by using the rolling action of the roller 22, the influence on the positioning effect of a workpiece caused by shaking and inclining of the roller can be avoided, the hydraulic cylinder 10 is installed at the bottom of the inner cavity of the bed body 1, the hydraulic cylinder 10 is externally connected with a power supply through a wire, the top end of the output shaft is fixedly connected with a transmission plate 11, the shaft body of the output shaft of the hydraulic cylinder 10 is sleeved with, prevent that it from drunkenness and causing driving plate 11 to take place to rock when concertina movement, the both sides of driving plate 11 and the bottom end of adjustable shelf 6 all are provided with fixing base 12, have connecting rod 13 through a pole swing joint between two fixing base 12.

The working principle is as follows: when the utility model is used, a workpiece to be ground is firstly placed on the workbench 4, then the hydraulic cylinder 10 is driven by the external power supply to drive the transmission plate 11 to move downwards, the transmission plate 11 drives the connecting rod 13 to rotate through the fixing seats 12 at the two sides when moving downwards, the other end of the connecting rod 13 drives the movable frame 6 to move from two sides to the middle direction along the guide block 8 when rotating, the positioning frame 7 at the top end of the movable frame 6 is driven to move towards the middle direction when moving, until the positioning frame 7 is contacted with the side walls at the two sides of the workpiece, thereby the workpiece can be preliminarily positioned by the positioning frame 7, meanwhile, the crank 16 is held and rotated to drive the threaded rod 15 to rotate inwards along the threaded hole 14, the push block 17 at the end of the threaded rod 15 can drive the clamping plate 18 to move together when rotating, until the clamping plate 18 is tightly pressed against the surface of the workpiece, therefore, the clamping plate 18 can be used for further positioning the workpiece, so that the workpiece can be effectively positioned and fixed in the horizontal and vertical directions, and the workpiece is prevented from shaking and displacing due to the action of external force in the machining process to influence the machining precision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grinding machine positioner, includes bed body (1), its characterized in that: the bed is characterized in that bases (2) are fixedly connected to two sides of the bottom of the bed body (1), balancing weights (3) are arranged between the bases (2), a workbench (4) is fixedly connected to the top of the bed body (1), a sliding groove (5) is formed in the workbench (4), movable frames (6) are inserted into two sides of the sliding groove (5), a positioning frame (7) is fixedly connected to the tail end of the top of each movable frame (6), the bed body (1) is of a hollow structure, guide blocks (8) are fixedly connected between the inner walls of the top ends of the bed body, the guide blocks (8) penetrate through the two movable frames (6), a first spring (9) is fixedly connected to the side wall of one side of each movable frame (6), the first springs (9) are located on two sides of the guide blocks (8), the other ends of the first springs are fixedly connected to the inner walls of the bed body (1), a hydraulic cylinder (, the hydraulic cylinder is characterized in that a transmission plate (11) is fixedly connected to the top end of an output shaft of the hydraulic cylinder (10), fixing seats (12) are arranged on two sides of the transmission plate (11) and the tail end of the bottom of the movable frame (6), and a connecting rod (13) is movably connected between the two fixing seats (12) through a rod shaft.

2. A machine positioning device as claimed in claim 1, in which: locating rack (7) is the U font, and its inner wall surface is provided with the one deck rubber pad, just threaded hole (14) have all been seted up to the top and the bottom of locating rack (7), threaded hole (14) female connection has threaded rod (15), the top fixedly connected with crank (16) of threaded rod (15), its bottom fixedly connected with ejector pad (17), the below of ejector pad (17) is provided with splint (18), the top fixedly connected with driving frame (19) of splint (18), threaded rod (15) run through the top outer wall of driving frame (19), the equal fixedly connected with second spring (20) in top both sides of splint (18), the other end fixed connection of second spring (20) is at the inner wall of locating rack (7).

3. A machine positioning device as claimed in claim 2, in which: a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the clamping plate (18).

4. A machine positioning device as claimed in claim 1, in which: the other side wall of the movable frame (6) is fixedly connected with a pair of wheel frames (21), the wheel frames (21) are positioned at two sides of the guide block (8), and the tail ends of the wheel frames are movably connected with rollers (22) through wheel shafts.

5. A machine positioning device as claimed in claim 1, in which: the output shaft body cover of pneumatic cylinder (10) is equipped with spacing pipe (23), the equal fixedly connected with mount (24) of both sides outer wall of spacing pipe (23), the bottom fixed connection of mount (24) is in the inner chamber bottom of bed body (1).