CN110977814A

CN110977814A - Driven gear positioning and clamping device

Info

Publication number: CN110977814A
Application number: CN201911167407.2A
Authority: CN
Inventors: 杨强; 张建富; 任传富; 戴明翠; 蒋传富; 马世强; 刘志亮; 刘德良
Original assignee: Qingzhou Jianfu Gear Co ltd
Current assignee: Qingzhou Jianfu Gear Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-04-10

Abstract

The invention discloses a driven gear positioning and clamping device which comprises a base, a rotary table, a support frame and a pressing plate, wherein a control panel is installed on the front side wall of the base, a servo motor is arranged at the central position inside the base, a rotating shaft is installed at the output end of the servo motor through a coupler, an upright post is fixed at the top end of the rotary table at an equal angle, slots are formed in the central position of the top of the upright post, a gear body is arranged at the top end of the rotary table, through holes are formed in the gear body at an equal angle, the support frame is arranged right above the gear body, an air cylinder is embedded in the central position of the top of the support frame, a short rod is fixed at the bottom end of the pressing plate at an equal angle, and a pressing block is. This driven gear positioning and clamping device has not only improved driven gear's positioning and clamping efficiency, has avoided driven gear to receive the rigidity damage, has guaranteed the stability of positioning and clamping device during operation moreover.

Description

Driven gear positioning and clamping device

Technical Field

The invention relates to the technical field of gear machining, in particular to a driven gear positioning and clamping device.

Background

The driven gear is one of the important components in the drive axle transmission device, and the transmission precision requirement is high, so that a special positioning and clamping device is required to be adopted for high-precision processing in the processes of production, later maintenance and the like.

However, the existing driven gear positioning and clamping device still has certain problems, and the specific problems are as follows:

1. compared with a high-cost manipulator clamping device, the conventional positioning and clamping device still adopts the working modes of annular ring positioning and manual locking, the positioning precision is low, and the operation process is complicated, so that the further improvement is needed;

2. in the prior art, in order to ensure the relative strength of the positioning and clamping device, the positioning and clamping device is usually made of metal materials, and due to the lack of an effective buffer mechanism in the clamping process, rigidity damage to a certain degree is often caused, so that the effective service life of the driven gear is reduced;

3. when links such as positioning, clamping and processing are carried out on the driven gear, a certain limiting mechanism needs to be further improved and added, and the influence on processing precision due to micro deviation or vibration in the operation process is avoided.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a driven gear positioning and clamping device which has the advantages of high positioning and clamping efficiency, multi-stage buffering and damping, stable operation and the like, and solves the problems of low precision, complex operation, easy rigidity damage and unstable operation and influence on processing precision.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a driven gear positioning and clamping device comprises a base, a rotary table, a support frame and a pressing plate, wherein a control panel is installed on the front side wall of the base, a servo motor is arranged at the central position inside the base, a rotary shaft is installed at the output end of the servo motor through a coupler, the top end of the rotary shaft is fixedly connected with the bottom end of the rotary table, stand columns are fixed at equal angles on the top end of the rotary table, slots are formed in the central positions of the tops of the stand columns, a gear body is arranged at the top end of the rotary table, through holes are formed in the gear body at equal angles, the tops of the stand columns are located in the corresponding through holes, the support frame is arranged right above the gear body, the bottom end of the support frame is fixedly connected with the rear side wall of the base, an air cylinder is inlaid at the central position of the top of the support frame, the equal angle of bottom of clamp plate is fixed with the quarter butt, and the bottom of quarter butt all installs the briquetting to the bottom of briquetting all is fixed with the pin.

Preferably, the edge position department at base top has seted up annular heavy groove, and the equal angle of edge position department of revolving stage bottom installs the gyro wheel simultaneously, and the gyro wheel all is located the inside of annular heavy groove moreover.

Preferably, an annular gasket is attached to the edge position of the top end of the turntable, the annular gasket is made of damping materials, and the top end of the annular gasket is used for being in elastic contact with the bottom end of the gear body.

Preferably, linear bearings are embedded in the left side and the right side of the top of the support frame, guide rods penetrate through the linear bearings, and the bottom ends of the guide rods are fixedly connected with the top ends of the pressing plates.

Preferably, the pressing blocks are all in spherical structures, and the pressing blocks are all used for being mutually nested with the tops of the through holes.

Preferably, the pins and the slots are axially corresponding one above the other, and the pins are used for being nested with the corresponding slots.

Preferably, the bottom of the upright post is sleeved with a spring, and the upper end and the lower end of the spring are respectively used for elastically abutting against the rotary table and the gear body.

Preferably, the section of the annular sinking groove is of a concave structure, the top of each roller is in sliding connection with the top of the annular sinking groove, and the bottom of each roller is in rolling contact with the bottom of the annular sinking groove.

(III) advantageous effects

Compared with the prior art, the invention provides a driven gear positioning and clamping device which has the following beneficial effects:

1. the driven gear positioning and clamping device is used for primary positioning through corresponding nesting between the stand column and the through hole, is used for secondary positioning through axial nesting between the pin and the slot, and is used for limiting and pressing through mutual nesting of the pressing block with the spherical structure and the top of the through hole, so that the positioning and clamping efficiency of the driven gear is improved;

2. according to the driven gear positioning and clamping device, the annular gasket made of damping materials is attached to the top end of the rotary table to buffer and damp the gear body, and the spring is sleeved at the bottom of the upright column to elastically abut against the rotary table and the gear body respectively for elastic clamping, so that the driven gear is prevented from being rigidly damaged;

3. this driven gear location clamping device, through the guide arm that alternates in linear bearing's inside, and the bottom of guide arm all with the top fixed connection of clamp plate for guide lift orbit, because the cross-section in the heavy groove of annular is concave structure, make the top and the bottom of gyro wheel constitute sliding connection and rolling contact with the heavy groove of annular respectively, be used for rotating spacingly, thereby guaranteed the stability of location clamping device during operation.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic view of a front view cross-section pressing structure of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic top view of a portion of the present invention.

In the figure: 1. a base; 2. a servo motor; 3. a rotating shaft; 4. a turntable; 5. an annular gasket; 6. a support frame; 7. a cylinder; 8. a guide bar; 9. a linear bearing; 10. pressing a plate; 11. a short bar; 12. briquetting; 13. A pin; 14. a slot; 15. a column; 16. a spring; 17. a roller; 18. an annular sinking groove; 19. a gear body; 20. a through hole; 21. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a driven gear positioning and clamping device comprises a base 1, a rotary table 4, a support frame 6 and a press plate 10, wherein a control panel 21 is installed on the front side wall of the base 1, the type of the control panel 21 can be TC45, a servo motor 2 is arranged at the central position inside the base 1, the type of the servo motor 2 can be MR-J2S-20A, the input end of the servo motor 2 is electrically connected with the output end of a PLC (programmable logic controller) inside the control panel 21, the output end of the servo motor 2 is provided with a rotating shaft 3 through a coupler, the top end of the rotating shaft 3 is fixedly connected with the bottom end of the rotary table 4, an upright post 15 is fixed at the top end of the rotary table 4 at an equal angle, slots 14 are formed at the central position of the top of the upright post 15, a gear body 19 is arranged at the top end of the rotary table 4, through holes 20 are formed inside the gear body 19 at an equal angle, be provided with support frame 6 directly over gear body 19, and the bottom of support frame 6 and the back lateral wall fixed connection of base 1, central point department at support frame 6 top is inlayed and is had cylinder 7, the model of this cylinder 7 can be SC160-25, and the input of cylinder 7 and the output electric connection of the inside PLC controller of control panel 21, the output of cylinder 7 and the top fixed connection of clamp plate 10, the bottom of clamp plate 10 is fixed with quarter butt 11 with equal angle, and briquetting 12 is all installed to quarter butt 11's bottom, and briquetting 12's bottom all is fixed with pin 13.

As shown in fig. 1, an annular sinking groove 18 is formed at the edge position of the top of the base 1, and rollers 17 are installed at equal angles at the edge position of the bottom end of the turntable 4, and the rollers 17 are all located inside the annular sinking groove 18 and are used for rotation limiting.

As shown in fig. 3, a ring washer 5 is attached to an edge position of the top end of the turntable 4, the ring washer 5 is made of a damping material, and the top end of the ring washer 5 is used for elastically contacting with the bottom end of the gear body 19 and cushioning the gear body 19.

As shown in fig. 1, linear bearings 9 are embedded in the left side and the right side of the top of the support frame 6, guide rods 8 are inserted in the linear bearings 9, and the bottom ends of the guide rods 8 are fixedly connected with the top ends of the pressing plates 10 to guide the lifting track and prevent the pressing plates 10 from deflecting.

As shown in FIG. 3, the pressing blocks 12 are all in a spherical structure, and the pressing blocks 12 are all used for being nested with the top of the through hole 20 for limiting and pressing.

As shown in fig. 3, the studs 13 and the slots 14 are axially corresponding one above the other, and the studs 13 are used to be nested with the corresponding slots 14 for secondary auxiliary positioning.

As shown in fig. 3, the bottom of the upright post 15 is sleeved with a spring 16, and the upper and lower ends of the spring 16 are respectively used for elastically abutting against the turntable 4 and the gear body 19 for elastically clamping, so as to reduce damage caused by rigid contact.

As shown in fig. 1, the section of the annular sinking groove 18 is concave, the top of the roller 17 is slidably connected to the top of the annular sinking groove 18, and the bottom of the roller 17 is in rolling contact with the bottom of the annular sinking groove 18, so as to form a double-limiting structure and enhance the stability.

The working principle is as follows: when the gear pressing machine is used, as shown in the attached

drawings

1, 2 and 3, firstly, a gear body 19 to be processed is placed on the rotary table 4, primary positioning is carried out through corresponding nesting between the upright post 15 and the through hole 20, then the air cylinder 7 correspondingly extends through controlling the control panel 21, so that the pressing plate 10 is pushed to descend integrally, the pin 13 and the slot 14 are axially nested, secondary positioning is carried out, and finally, the pressing block 12 in a spherical structure is nested with the top of the through hole 20, so that the gear body 19 can be kept in a pressing state;

meanwhile, as shown in fig. 3, the annular washer 5 attached to the top end of the rotary table 4 is made of damping material, and can provide buffering and shock absorption for the bottom end of the gear body 19, when the gear body 19 is gradually compressed, the spring 16 sleeved at the bottom of the upright post 15 is stressed and contracted, and the upper end and the lower end of the spring respectively form elastic collision with the rotary table 4 and the gear body 19, so that damage caused when the pressing block 12 is in rigid contact with the gear body 19 is reduced;

in addition, as shown in fig. 2 and fig. 4, when the machining surface of the gear body 19 needs to be changed, the control panel 21 can be controlled by the control panel 21, so that the cylinder 7 is contracted and reset, then the servo motor 2 drives the rotating shaft 3 to rotate by a certain angle, and then the cylinder 7 is extended and compressed, in the process, the guide rod 8 at the top end of the pressing plate 10 keeps linear contact with the linear bearing 9 for guiding the lifting track and avoiding the whole pressing plate 10 from deflecting, and because the section of the annular sinking groove 18 is of a concave structure, the top and the bottom end of the roller 17 respectively form sliding connection and rolling contact with the annular sinking groove 18 for rotation limitation, so that the whole operation of the turntable 4 is relatively stable, and the whole work of the driven gear positioning and clamping device is finally completed.

In conclusion, the positioning and clamping device for the driven gear not only improves the positioning and clamping efficiency of the driven gear, avoids the driven gear from being rigidly damaged, but also ensures the stability of the positioning and clamping device during operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 driven gear positioning and clamping device, includes base (1), revolving stage (4), support frame (6) and clamp plate (10), its characterized in that: the front side wall of the base (1) is provided with a control panel (21), the central position inside the base (1) is provided with a servo motor (2), the output end of the servo motor (2) is provided with a rotating shaft (3) through a coupler, the top end of the rotating shaft (3) is fixedly connected with the bottom end of a rotating platform (4), the top end of the rotating platform (4) is fixed with a stand column (15) at an equal angle, the central position of the top part of the stand column (15) is provided with a slot (14), the top end of the rotating platform (4) is provided with a gear body (19), the inside of the gear body (19) is provided with a through hole (20) at an equal angle, the top part of the stand column (15) is positioned inside the corresponding through hole (20), a support frame (6) is arranged right above the gear body (19), and the bottom end of the support frame (6) is fixedly connected with, center position department at support frame (6) top inlays and has cylinder (7), and the output of cylinder (7) and the top fixed connection of clamp plate (10), the equal angle in bottom of clamp plate (10) is fixed with quarter butt (11), and the bottom of quarter butt (11) all installs briquetting (12) to the bottom of briquetting (12) all is fixed with pin (13).

2. The driven gear positioning and clamping device as recited in claim 1, wherein: annular heavy groove (18) have been seted up to the border position department at base (1) top, simultaneously the border position department of revolving stage (4) bottom is equant the angle and is installed gyro wheel (17), and gyro wheel (17) all are located the inside of annular heavy groove (18) moreover.

3. The driven gear positioning and clamping device as recited in claim 1, wherein: the edge position of the top end of the rotary table (4) is attached with an annular gasket (5), the annular gasket (5) is made of damping materials, and the top end of the annular gasket (5) is used for being in elastic contact with the bottom end of the gear body (19).

4. The driven gear positioning and clamping device as recited in claim 1, wherein: the left and right sides at support frame (6) top all inlays and has linear bearing (9), and the inside of linear bearing (9) all alternates there are guide arm (8) to the bottom of guide arm (8) all with the top fixed connection of clamp plate (10).

5. The driven gear positioning and clamping device as recited in claim 1, wherein: the pressing blocks (12) are all in spherical structures, and the pressing blocks (12) are all used for being mutually nested with the tops of the through holes (20).

6. The driven gear positioning and clamping device as recited in claim 1, wherein: the pins (13) and the slots (14) are axially corresponding one above the other, and the pins (13) are used for being mutually nested with the corresponding slots (14).

7. The driven gear positioning and clamping device as recited in claim 1, wherein: the bottom of the upright post (15) is sleeved with a spring (16), and the upper end and the lower end of the spring (16) are respectively used for elastically abutting against the rotary table (4) and the gear body (19).

8. A driven gear positioning and clamping device as claimed in claim 2, wherein: the section of the annular sinking groove (18) is of a concave structure, the top of the roller (17) is in sliding connection with the top of the annular sinking groove (18), and the bottom of the roller (17) is in rolling contact with the bottom of the annular sinking groove (18).