CN213561078U

CN213561078U - Centre bore positioning mechanism for machining

Info

Publication number: CN213561078U
Application number: CN202022546116.9U
Authority: CN
Inventors: 成兴建
Original assignee: Xian Shiyou University
Current assignee: Xian Shiyou University
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-29
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a centre bore positioning mechanism for machining, which comprises a bottom plate, wherein a cavity is arranged in the bottom plate, a motor is fixedly arranged in the cavity, a first fixed plate is fixedly arranged at the top end of the bottom plate, a lead screw is rotatably connected at the top end of the motor and penetrates through the bottom plate and extends into the first fixed plate, a first slider is in threaded connection with the outer surface of the lead screw, a workbench is fixedly connected to one side of the first slider, when the machine works, a workpiece is firstly placed on the workbench, at the moment, a hydraulic cylinder is started, the hydraulic cylinder can enable a telescopic rod to horizontally move, so that the telescopic rod can push a clamp to move towards the direction of the workpiece, when the clamps at two sides of the workpiece clamp and position the workpiece, the next step of machining can be carried out, the structure is arranged without manual adjustment, saves a large amount of time for the staff, reduces the labor intensity and improves the working efficiency.

Description

Centre bore positioning mechanism for machining

Technical Field

The utility model belongs to the technical field of machining, concretely relates to centre bore positioning mechanism for machining.

Background

In machining a workpiece, a large number of jigs are widely used in consideration of machining accuracy, machining efficiency, and the like. The jig is a device for fixing a processing object to take a correct position to receive construction or inspection in a machining process. By definition, it is one of the important roles of the workpiece to be machined, i.e., the workpiece, to occupy the correct position, and in production, workpieces with center holes are often encountered, and the distance from the center hole to the mounting base surface has strict dimensional tolerance requirements, and the position from the mounting base surface to the hole center needs to be strictly controlled when the mounting base surface is subjected to finish machining.

Traditional centre bore positioning mechanism for machining adds man-hour to the machined part, needs the staff earlier with the tight mould of clamp to adjust the back usually, puts into the workstation with the machined part again, will waste a large amount of cost of labor like this, and simultaneously, work efficiency is low, has reduced production efficiency. To this end, we propose a center hole positioning mechanism for machining.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centre bore positioning mechanism for machining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centre bore positioning mechanism for machining, includes the bottom plate, the inside cavity of having seted up of bottom plate, the inside fixed mounting of cavity has the motor, bottom plate top fixed mounting has first fixed plate, the motor top is rotated and is connected with the lead screw, and the lead screw runs through the bottom plate and extends to the inside of first fixed plate, lead screw surface threaded connection has first slider, first slider one side fixedly connected with workstation, workstation top fixedly connected with second fixed plate, the inside fixed mounting of second fixed plate has the pneumatic cylinder, the inside swing joint of pneumatic cylinder has the telescopic link, and the telescopic link runs through pneumatic cylinder and second fixed plate and extends to the outside, the terminal fixedly connected with anchor clamps of telescopic link.

Preferably, the center of the clamp is provided with an arc-shaped groove, and a spongy cushion is fixedly arranged in the arc-shaped groove.

Preferably, a second sliding groove is formed in the workbench, a second sliding block is clamped in the second sliding groove, a connecting block is fixedly connected to the upper portion of the second sliding block, and the top end of the connecting block is fixedly connected with the clamp.

Preferably, a first sliding groove is formed in the inner side wall of the first fixing plate, and the screw rod and the first sliding block are both arranged inside the first sliding groove.

Preferably, side baffles are arranged on two sides of the clamp, and the side baffles are fixedly arranged above the workbench.

Preferably, the number of the clamps is two, and the clamps are symmetrically arranged on two sides of the center of the workbench.

Preferably, a bearing is fixedly mounted inside the first fixing plate and is rotatably connected with the screw rod.

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

(1) this centre bore positioning mechanism for machining, at first, place the workstation with the machined part on, at this moment, start the hydraulic cylinder, the hydraulic cylinder can make the telescopic link carry out horizontal migration to the telescopic link just can promote anchor clamps and remove to the machined part direction, after the anchor clamps of machined part both sides pressed from both sides the tight location with the machined part, at this moment, just can carry out processing on next step to the machined part, the setting of this structure need not artifical manual regulation, for the staff has saved a large amount of time, the labor intensity is reduced, and the work efficiency is improved.

(2) This centre bore positioning mechanism for machining, through the motor that sets up, it is rotatory that the motor can drive the lead screw, and the lead screw drives the slider and is the ascending removal of vertical direction to just can the vertical migration with slider fixed connection's workstation, place the machined part on the workstation then and just can realize the regulation of height, the setting of this structure is carried out processing on next step for the machined part, provides convenient, has increased the device's practicality.

Drawings

Fig. 1 is one of the schematic three-dimensional structures of the present invention;

fig. 2 is a front sectional view of the present invention;

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

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. a base plate; 2. a cavity; 3. a motor; 4. a first fixing plate; 5. a screw rod; 6. a first slider; 7. a work table; 8. a second fixing plate; 9. a hydraulic cylinder; 10. a telescopic rod; 11. a clamp; 12. a sponge cushion; 13. a bearing; 14. a second chute; 15. a second slider; 16. connecting blocks; 17. a first chute; 18. side dams.

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.

Please refer to fig. 1-4, the utility model provides a centre bore positioning mechanism for machining, comprising a base plate 1, cavity 2 has been seted up to bottom plate 1 inside, the inside fixed mounting of cavity 2 has

motor

3, 1 top fixed mounting of bottom plate has first fixed

plate

4, 3 tops of motor rotate and are connected with lead screw 5, and lead screw 5 runs through bottom plate 1 and extends to the inside of first

fixed plate

4, 5 surface screw thread of lead screw has

first slider

6, 6 one side fixedly connected with workstation 7 of first slider, 7 top fixedly connected with second fixed plate 8 of workstation, 8 inside fixed mounting of second fixed plate have pneumatic cylinder 9, the inside swing joint of pneumatic cylinder 9 has telescopic link 10, and telescopic link 10 runs through pneumatic cylinder 9 and second fixed plate 8 and extends to the outside, the terminal fixedly connected with anchor clamps 11 of telescopic link 10.

In this embodiment, preferably, the arc-shaped groove is formed in the center of the clamp 11, the foam-rubber cushion 12 is fixedly mounted in the arc-shaped groove, when the clamp 11 clamps the workpiece, the extrusion force generated by the clamp 11 on the workpiece can be reduced through the arranged foam-rubber cushion 12, and the phenomenon that the extrusion force is too large when the clamp 11 clamps the workpiece, so that the workpiece is damaged and the cost is wasted is prevented.

In this embodiment, preferably, the second chute 14 has been seted up inside the workstation 7, the second chute 14 joint has the second slider 15, second slider 15 top fixedly connected with connecting block 16, the top and the anchor clamps 11 fixed connection of connecting block 16, when pneumatic cylinder 9 promoted telescopic link 10 and anchor clamps 11 and removes, through second chute 14 and the second slider 15 that set up in the bottom of anchor clamps 11, can make more smooth and easy that anchor clamps 11 removed, prevent the card pause, influence the normal processing of machine.

In this embodiment, preferably, first sliding groove 17 has been seted up to the inside wall of first fixed plate 4, and lead screw 5 and first slider 6 all set up inside first sliding groove 17, and when lead screw 5 drove first slider 6 and is vertical movement, through the first sliding groove 17 that sets up, space was provided for the removal of first slider 6.

In this embodiment, preferably, the side baffles 18 are arranged on two sides of the fixture 11, the side baffles 18 are fixedly mounted above the workbench 7, and the machined part can be prevented from falling off from two sides of the workbench 7 through the arranged side baffles 18, so that subsequent machining is influenced.

In this embodiment, preferably, two clamps 11 are provided and symmetrically installed at two sides of the center of the workbench 7, so that when the clamps 11 at two sides are moved to the center of the workbench 7, the workpiece can be clamped and fixed.

In this embodiment, preferably, the bearing 13 is fixedly mounted inside the first fixing plate 4, the bearing 13 is rotatably connected with the lead screw 5, and the bearing 13 is arranged to achieve limiting and fixing effects on the lead screw 5, and meanwhile, due to the characteristics of the bearing 13, the lead screw 5 can be rotated more smoothly, so that jamming and subsequent processing work are prevented from being affected.

The utility model discloses a theory of operation and use flow: the center hole positioning mechanism for machining comprises a worktable 7, a hydraulic cylinder 9, a telescopic rod 10, a hydraulic cylinder 9, a hydraulic motor 3, a screw rod 5, a first slide block 6, a second slide block 6, a hydraulic cylinder 9, a hydraulic motor 3, a hydraulic motor 9, a hydraulic motor 3, a hydraulic motor 5, a hydraulic motor 6, a hydraulic motor 5, a hydraulic motor, then place the regulation that just can realize the height of the machined part on workstation 7, the setting of this structure, for the machined part carries out processing on next step, it is convenient to provide, the practicality of the device has been increased, second spout 14 and second slider 15 through the setting of 11 bottoms of anchor clamps can make more smooth and easy that anchor clamps 11 removed, prevent the card pause, influence the normal processing of machine, when lead screw 5 drives first slider 6 and is the vertical migration, through the first spout 17 that sets up, the removal for first slider 6 provides the space.

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 centre bore positioning mechanism for machining, includes bottom plate (1), its characterized in that: the cavity (2) is formed in the bottom plate (1), the motor (3) is fixedly mounted in the cavity (2), the first fixing plate (4) is fixedly mounted at the top end of the bottom plate (1), the lead screw (5) is rotatably connected to the top end of the motor (3), the lead screw (5) penetrates through the bottom plate (1) and extends to the inside of the first fixing plate (4), the first slider (6) is connected to the outer surface of the lead screw (5) in a threaded manner, the workbench (7) is fixedly connected to one side of the first slider (6), the second fixing plate (8) is fixedly connected to the upper side of the workbench (7), the hydraulic cylinder (9) is fixedly mounted in the second fixing plate (8), the telescopic rod (10) is movably connected to the inside of the hydraulic cylinder (9), and the telescopic rod (10) penetrates through the hydraulic cylinder (9) and the second fixing plate (, the tail end of the telescopic rod (10) is fixedly connected with a clamp (11).

2. A center hole positioning mechanism for machining according to claim 1, characterized in that: an arc-shaped groove is formed in the center of the clamp (11), and a spongy cushion (12) is fixedly mounted in the arc-shaped groove.

3. A center hole positioning mechanism for machining according to claim 1, characterized in that: the inside second spout (14) of having seted up of workstation (7), second spout (14) joint has second slider (15), second slider (15) top fixedly connected with connecting block (16), the top and anchor clamps (11) fixed connection of connecting block (16).

4. A center hole positioning mechanism for machining according to claim 1, characterized in that: first spout (17) have been seted up to first fixed plate (4) inside wall, lead screw (5) and first slider (6) all set up inside first spout (17).

5. A center hole positioning mechanism for machining according to claim 1, characterized in that: side baffles (18) are arranged on two sides of the clamp (11), and the side baffles (18) are fixedly arranged above the workbench (7).

6. A center hole positioning mechanism for machining according to claim 1, characterized in that: the two clamps (11) are arranged and symmetrically arranged on two sides of the center of the workbench (7).

7. A center hole positioning mechanism for machining according to claim 1, characterized in that: the inside fixed mounting of first fixed plate (4) has bearing (13), bearing (13) and lead screw (5) rotate to be connected.