CN215281465U

CN215281465U - Hydraulic three-station rotary workbench

Info

Publication number: CN215281465U
Application number: CN202122034008.8U
Authority: CN
Inventors: 罗国俊; 薛振宇
Original assignee: Luo En Grinding Technology Suzhou Co ltd
Current assignee: Luo En Grinding Technology Suzhou Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-12-24
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to a hydraulic three-station rotary worktable, which comprises a rotary table, a jacking piece and a swinging piece, wherein the jacking piece and the swinging piece are arranged below the rotary table; the lifting piece adopts a lifting oil cylinder, and the swinging piece adopts a blade swinging cylinder; the middle part of the rotary table is fixedly provided with a rotating shaft, the blade swinging cylinder is driven by the jacking oil cylinder to lift and is in intermittent butt joint fit with the rotating shaft, and when the blade swinging cylinder is fixedly matched with the rotating shaft, the rotary table is driven to rotate; the compact jacking oil cylinder is convenient to be connected with the blade swing cylinder, so that the whole jacking-swing system is simple, convenient and reliable; the blade oscillating cylinder has the advantages of simple structure, small axial size, high reliability and large torque, the oscillating angle is ensured by a mechanical structure and machining precision thereof, and no adjustable error exists.

Description

Hydraulic three-station rotary workbench

Technical Field

The utility model relates to a rotatory frock technical field of the formula that surges, in particular to three station swivel work head surges.

Background

In the field of machining, each machining process of a product is provided with a corresponding machining station along the feeding direction, wherein a multi-station rotating workbench belongs to one of multi-process machining tools and is driven by a driving piece; in the prior art, a driving piece can be a motor, a hydraulic cylinder or a combination of the motor and the hydraulic cylinder, and the like, so that the problems of large error, low processing precision and poor reliability are often caused; therefore, the utility model develops a three station swivel work head surges to solve the problem that exists among the prior art, through the retrieval, not discover with the utility model discloses the same or similar technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the utility model provides a three station swivel work head surges to solve the problem that unreasonable driving piece leads to operational reliability poor among the prior art.

The technical scheme of the utility model is that: a hydraulic three-station rotary workbench comprises a rotary table, a jacking piece and a swinging piece, wherein the jacking piece and the swinging piece are arranged below the rotary table; the rotary table is characterized in that a rotary shaft is fixedly mounted in the middle of the rotary table, the swinging piece is driven by the jacking piece to lift and is in intermittent butt joint fit with the rotary shaft, and when the swinging piece is fixedly matched with the rotary shaft, the rotary table is driven to rotate.

Preferably, the swinging piece is provided with a swinging shaft and an index plate fixedly connected with the swinging shaft, an index hole is formed in the end face of the index plate, the rotating shaft and the swinging shaft are coaxially arranged, and a pin shaft in inserting fit with the index hole and a positioning cavity for inserting fit of the upper end of the swinging shaft are arranged at the lower end of the rotating shaft.

Preferably, the jacking piece is a jacking oil cylinder and comprises a cylinder body A and a piston rod, and the cylinder body A is provided with an upper oil port and a lower oil port; the swing piece selects a blade swing cylinder, is fixedly connected with the movable end of the jacking oil cylinder, and comprises a cylinder body B, a fixed piece, a movable piece and a swing shaft, wherein a swing oil inlet and a reset oil port are formed in the cylinder body B, the fixed piece is fixed in the cylinder body B and enables a swing cavity to be formed inside the cylinder body B, and the movable piece is arranged in the swing cavity and is fixedly matched with the swing shaft.

Preferably, the extending end of the piston rod is arranged downwards, the lower end of the piston rod is fixedly installed, and the upper end of the cylinder body A is fixedly connected with the swinging piece; the swing oil inlet and the reset oil port are arranged corresponding to the outer side wall of the stator, and an intermediate groove communicated with the swing cavity is formed between the corresponding outer side wall of the stator and the inner side wall of the cylinder body B.

Preferably, the rotary table corresponds to three processing stations which are uniformly distributed along the rotation direction; three indexing holes are uniformly distributed on the indexing disc in a ring shape, and an included angle formed between each adjacent indexing hole and the center of the oscillating shaft is 120 degrees; three pin shafts are uniformly distributed below the rotating shaft in an annular shape, and an included angle formed between each adjacent pin shaft and the center of the rotating shaft is 120 degrees; the fixed piece and the movable piece are both of fan-shaped structures, and the maximum swing angle between the side wall of the movable piece and the side wall of the adjacent fixed piece is 120 degrees.

Preferably, the turntable and the rotating shaft are mounted on a machine tool workbench, the jacking piece and the swinging piece are arranged in a mounting frame, the mounting frame is fixed below the machine tool workbench, a guide pillar and a bottom plate in sliding fit with the guide pillar are fixed inside the mounting frame, and the upper end of the cylinder body B is fixedly connected with the bottom plate.

Compared with the prior art, the utility model has the advantages that:

the utility model adopts the combination of the jacking oil cylinder and the blade swing cylinder to drive the rotary table to work, wherein, the compact jacking oil cylinder is convenient to be connected with the blade swing cylinder, so that the whole jacking-swing system is simple, convenient and reliable; the blade oscillating cylinder has the advantages of simple structure, small axial size, high reliability and large torque, the oscillating angle is ensured by a mechanical structure and machining precision thereof, and no adjustable error exists.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a front sectional view of a hydraulic three-station rotary table according to the present invention;

fig. 2 is a top view of the turntable of the present invention;

fig. 3 is a view from a-a of a hydraulic three-position rotary table according to the present invention;

fig. 4 is a B-B view of a hydraulic three-station rotary worktable of the present invention.

Wherein: 1. a machine tool workbench 11, a mounting rack 12, a guide pillar 13 and a bottom plate;

2. the rotary table 21, the rotating shaft 22, the pin shaft 23 and the positioning cavity;

3. the lifting oil cylinder 31, the cylinder bodies A and 32, the piston rod 33, the upper oil port and the lower oil port;

4. the vane oscillating cylinder 41, the cylinder bodies B and 42, the fixed plate 43, the movable plate 44, the oscillating shaft 45, the oscillating oil inlet 46, the resetting oil port 47, the oscillating cavity 48 and the intermediate groove;

5. index plate, 51, index hole.

Detailed Description

The following detailed description is made in conjunction with specific embodiments of the present invention:

as shown in fig. 1, a hydraulic three-station rotary table comprises a rotary table 2, a jacking member and a swinging member arranged below the rotary table 2; wherein, the middle part of the turntable 2 is fixed with a rotating shaft 21 and is arranged on the machine tool workbench 1 through the rotating shaft 21; the jacking piece and the swinging piece are arranged in the mounting frame 11, the mounting frame 11 is fixed below the machine tool workbench 1, and a guide pillar 12 and a bottom plate 13 in sliding fit with the guide pillar 12 are fixed inside the mounting frame.

Referring to fig. 2, in this embodiment, the turntable 2 corresponds to three processing stations a, b, and c that are uniformly arranged along the rotation direction, where the processing station a is a workpiece mounting station, the processing station b is a grinding station, the processing station c is a workpiece taking station, and the processing stations are distributed at an included angle of 120 °.

As shown in fig. 1, the jacking piece selects a jacking cylinder 3, which comprises a cylinder body a31 and a piston rod 32, and an upper oil port 33 and a lower oil port 34 are arranged on the cylinder body a 31; in this embodiment, the extending end of the piston rod 32 is disposed downward, the lower end of the piston rod 32 is fixedly mounted on the mounting frame 11, the upper end of the cylinder a31 is fixedly connected to the swinging member, so as to drive the swinging member to ascend and descend, and the guide post 12 plays a role in stable guiding during the ascending and descending process.

The swinging piece selects a blade swinging cylinder 4 and is fixedly connected with the movable end of the jacking oil cylinder 3, and as shown in fig. 3, the swinging piece comprises a cylinder body B41, a fixed piece 42, a movable piece 43 and a swinging shaft 44; the upper end of the cylinder B41 is fixedly connected with the bottom plate 13, the side wall is provided with a swing oil inlet 45 and a reset oil port 46, the fixed plate 42 is fixed in the cylinder B41 through key connection and enables the interior of the cylinder B41 to form a swing cavity 47, and the movable plate 43 is arranged in the swing cavity 47 and fixedly matched with the swing shaft 44 through key connection; the swing oil inlet 45 and the reset oil port 46 are arranged corresponding to the outer side wall of the stator 42, and an intermediate groove 48 respectively communicated with the swing cavity 47 is formed between the corresponding outer side wall of the stator 42 and the inner side wall of the cylinder B41; the stator 42 and the rotor 43 are both fan-shaped, and the maximum swing angle between the side wall of the rotor 43 and the side wall of the adjacent stator 42 is 120 °

As shown in fig. 1 and 4, the oscillating shaft 44 is fixedly connected with an index plate 5, three index holes 51 are uniformly distributed on the index plate 5 in a ring shape, and an included angle formed between each adjacent index hole 51 and the center of the oscillating shaft 44 is 120 degrees; the rotating shaft 21 and the swinging shaft 44 are coaxially arranged, and the lower end of the rotating shaft is provided with a pin shaft 22 which is in inserted fit with the indexing hole 51 and a positioning cavity 23 for the upper end of the swinging shaft 44 to be in inserted fit; the pin shafts 22 are arranged in three numbers and are distributed in an annular shape, and the included angle formed between each adjacent pin shaft 22 and the center of the rotating shaft 21 is 120 degrees.

When the utility model works, the blade oscillating cylinder 4 is driven by the jacking oil cylinder 3 to lift and is in intermittent butt joint fit with the rotating shaft 21, and when the blade oscillating cylinder 4 is fixedly matched with the rotating shaft 21, the rotating platform 2 is driven to rotate; specifically, the working steps are as follows:

the method comprises the following steps: an upper oil port 33 of the jacking oil cylinder 3 is used for feeding oil, a piston rod 32 extends out relative to a cylinder body A31, the cylinder body A31 moves upwards due to the fixation of the piston rod 32 and drives a blade swinging cylinder 4 to ascend, and three indexing holes 51 on an indexing disc 5 are correspondingly inserted and matched with three pin shafts 22 below a rotating shaft 21 in a one-to-one inserting manner; when the jacking oil cylinder 3 continues to rise for a small stroke, the rotary table 2 also rises for a small stroke so as to reduce the rotation resistance;

step two: the swing oil inlet 45 is filled with oil, the rotor 43 swings in the swing cavity 47, and the swing shaft 44 drives the rotating shaft 21 to rotate 120 degrees along with the rotating shaft, so that the products placed on the rotary table 2 realize station transfer;

step three: the lower oil port 34 of the jacking oil cylinder 3 is used for feeding oil, the blade swinging cylinder 4 descends, the indexing hole 51 is disengaged from the rotating shaft 21, and the reset oil port 46 is used for feeding oil, so that the reset of the movable plate 43 in the swinging cavity 47 is realized; and after resetting is finished, the steps are continuously repeated, and the steps are sequentially repeated to realize intermittent rotation of the rotary table 2, so that the product is assembled, ground and taken.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a three station swivel work head surges which characterized in that: comprises a rotary table, a jacking piece and a swinging piece which are arranged below the rotary table; the rotary table is characterized in that a rotary shaft is fixedly mounted in the middle of the rotary table, the swinging piece is driven by the jacking piece to lift and is in intermittent butt joint fit with the rotary shaft, and when the swinging piece is fixedly matched with the rotary shaft, the rotary table is driven to rotate.

2. A hydraulically operated three-station rotary table according to claim 1, characterized in that: the swing piece is provided with a swing shaft and an index plate fixedly connected with the swing shaft, an index hole is formed in the end face of the index plate, the rotating shaft and the swing shaft are coaxially arranged, and a pin shaft in inserting fit with the index hole and a positioning cavity for inserting fit of the upper end of the swing shaft are arranged at the lower end of the rotating shaft.

3. A hydraulically operated three-station rotary table according to claim 2, characterized in that: the jacking piece selects a jacking oil cylinder and comprises a cylinder body A and a piston rod, and an upper oil port and a lower oil port are formed in the cylinder body A; the swing piece selects a blade swing cylinder, is fixedly connected with the movable end of the jacking oil cylinder, and comprises a cylinder body B, a fixed piece, a movable piece and a swing shaft, wherein a swing oil inlet and a reset oil port are formed in the cylinder body B, the fixed piece is fixed in the cylinder body B and enables a swing cavity to be formed inside the cylinder body B, and the movable piece is arranged in the swing cavity and is fixedly matched with the swing shaft.

4. A hydraulically operated three-station rotary table according to claim 3, characterized in that: the extending end of the piston rod is arranged downwards, the lower end of the piston rod is fixedly installed, and the upper end of the cylinder body A is fixedly connected with the swinging piece; the swing oil inlet and the reset oil port are arranged corresponding to the outer side wall of the stator, and an intermediate groove communicated with the swing cavity is formed between the corresponding outer side wall of the stator and the inner side wall of the cylinder body B.

5. A hydraulically operated three-station rotary table according to claim 3, characterized in that: the rotary table corresponds to three processing stations which are uniformly distributed along the rotation direction; three indexing holes are uniformly distributed on the indexing disc in a ring shape, and an included angle formed between each adjacent indexing hole and the center of the oscillating shaft is 120 degrees; three pin shafts are uniformly distributed below the rotating shaft in an annular shape, and an included angle formed between each adjacent pin shaft and the center of the rotating shaft is 120 degrees; the fixed piece and the movable piece are both of fan-shaped structures, and the maximum swing angle between the side wall of the movable piece and the side wall of the adjacent fixed piece is 120 degrees.

6. A hydraulically operated three-station rotary table according to claim 3, characterized in that: the rotary table and the rotating shaft are arranged on a machine tool workbench, the jacking piece and the swinging piece are arranged in the mounting frame, the mounting frame is fixed below the machine tool workbench, a guide pillar and a bottom plate in sliding fit with the guide pillar are fixed inside the mounting frame, and the upper end of the cylinder body B is fixedly connected with the bottom plate.