CN216267543U

CN216267543U - Pitch-variable manipulator mechanism

Info

Publication number: CN216267543U
Application number: CN202122700388.4U
Authority: CN
Inventors: 庄秀秀; 彭学艺
Original assignee: Guangzhou Ribo Plastic Packing Machinery Co ltd
Current assignee: Guangzhou Ribo Plastic Packing Machinery Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to the technical field of manipulators, in particular to a variable-pitch manipulator mechanism which comprises a base, a servo motor and an embryo clamping jaw, wherein the servo motor is connected to one side of the base, the output end of the servo motor is fixedly connected with a screw rod through a coupler, the screw rod is positioned in the middle of the inside of the base, one side of the outer surface of the screw rod is provided with first spiral teeth, the other side of the outer surface of the screw rod is provided with second spiral teeth, the tooth width of the second spiral teeth is larger than that of the first spiral teeth, two sides of the top of the base are fixedly connected with guide rails, and two sides of the bottom of the embryo clamping jaw are fixedly connected with sliding blocks. According to the blank clamping device, the tooth width of the second spiral teeth is larger than that of the first spiral teeth, so that the small space between the blank clamping jaws is changed into the large space, and the large space between the blank clamping jaws is changed into the small space by reversing the servo motor.

Description

Pitch-variable manipulator mechanism

Technical Field

The utility model relates to the technical field of manipulators, in particular to a variable-pitch manipulator mechanism.

Background

The bottle blowing machine is a device for manufacturing plastic particles into hollow containers through a blow molding process, and the common machine types at present comprise a hollow extrusion blowing machine which uses PP and PE for one-step molding, an injection stretch blow bottle blowing machine which uses PET, PC or PP for two-step molding, and a newly developed multilayer hollow extrusion blowing and stretch blow molding.

In a bottle blowing machine, in order to facilitate the mutual conversion of a heating pitch and a bottle blowing pitch in a heating chain, a variable-pitch manipulator mechanism is required to be used, for example, Chinese patent CN205395106U discloses variable-pitch manipulator equipment which comprises a rack, wherein a manipulator assembly is arranged above the rack, a conveying frame is arranged on one side of the rack, a conveying belt is arranged on the conveying frame, slide rails are arranged on the racks on two sides of the conveying frame, and a power device is arranged at the bottom of the rack and drives a connecting belt; the motor and the gearbox drive the conveyor belt to rotate, so that the manipulator frame moves rightwards on the slide rail, the linkage rod A is driven to move rightwards, the linkage rod A is constrained by the S-shaped track to move rightwards in a curve mode, the sliding table pitch group moves forwards and backwards in the manipulator frame, the linkage rod B is driven to move on the S-shaped track, the linkage rod is opened and closed through force transmission, the manipulator frame is made to move in a reciprocating mode, however, in the prior art, the pitch-changing structure is complex, operation is inconvenient, and the using effect is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a variable-pitch manipulator mechanism which has the advantage of simple structure and solves the problems that the variable-pitch structure is complicated, the operation is inconvenient and the use effect is influenced in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: a variable-pitch manipulator mechanism comprises a base, a servo motor and a blank clamping jaw, wherein the servo motor is connected to one side of the base, the output end of the servo motor is fixedly connected with a screw rod through a coupler, the screw rod is located in the middle of the inside of the base, first spiral teeth are arranged on one side of the outer surface of the screw rod, second spiral teeth are arranged on the other side of the outer surface of the screw rod, and the tooth width of the second spiral teeth is larger than that of the first spiral teeth;

the equal fixedly connected with guide rail in both sides at base top, press from both sides the equal fixedly connected with slider in both sides of embryo clamping jaw bottom, slider sliding connection is at the surface of guide rail, press from both sides the middle part fixedly connected with fixture block of embryo clamping jaw bottom, the fixture block is located the helicla flute of screw rod.

Furthermore, the bottom of the base is fixedly connected with a bottom plate, a first bearing seat is arranged on one side of the top of the bottom plate, and the screw rod is fixedly inserted into an inner ring of the first bearing seat.

Further, one side fixedly connected with mounting bracket at bottom plate top, the bottom fixed connection of first bearing frame is at the top of mounting bracket.

Further, servo motor fixed connection is in the outside of mounting bracket, the top fixedly connected with protecting crust in the mounting bracket outside, the protecting crust is located servo motor's the outside.

Furthermore, the other side of the top of the bottom plate is fixedly connected with a second bearing seat, and one end, far away from the servo motor, of the screw rod is fixedly inserted into an inner ring of the second bearing seat.

By means of the technical scheme, the utility model provides a variable-pitch manipulator mechanism which at least has the following beneficial effects:

1. this variable pitch manipulator mechanism, the on-line screen storage device comprises a base, servo motor, the screw rod, first helical tooth, the second helical tooth, the guide rail, the slider, press from both sides the setting of embryo clamping jaw and fixture block, press from both sides the top at the slider of embryo clamping jaw, the fixture block is installed in the bottom of pressing from both sides the embryo clamping jaw, servo motor corotation drives the screw rod clockwise turning, the fixture block is located the helicla flute of screw rod, the slider slides on the guide rail, because the tooth width of second helical tooth is greater than the tooth width of first helical tooth, and then can make to press from both sides between the embryo clamping jaw and become the large-pitch by the booth apart from, servo motor reverses then to make to press from both sides between the embryo clamping jaw and become the booth apart from by the large-pitch, moreover, the steam generator is simple in structure, the operation is convenient, the damage rate is reduced, and service life is prolonged.

2. This variable pitch manipulator mechanism, through the setting of first bearing frame and second bearing frame, first bearing frame and second bearing frame can support the rotary motion of screw rod, reduce the coefficient of friction in the screw rod motion process to guarantee the gyration precision of screw rod, improved holistic stability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:

FIG. 1 is a perspective view of a variable pitch front structure of the present invention;

FIG. 2 is a front elevation view of a partial structure of the present invention prior to pitch change;

FIG. 3 is a perspective view of a pitch-varied rear structure of the present invention;

FIG. 4 is a front view of a partial structure of the present invention after pitch variation.

In the figure: 1. a base; 2. a servo motor; 3. a screw; 4. a first helical tooth; 5. a second helical tooth; 6. a guide rail; 7. a slider; 8. clamping a blank clamping jaw; 9. a clamping block; 10. a base plate; 11. a first bearing housing; 12. a second bearing housing; 13. a mounting frame; 14. and (4) a protective shell.

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.

The utility model will be further described with reference to fig. 1-4 and the examples.

The first embodiment is as follows:

a variable-pitch manipulator mechanism comprises a base 1, a servo motor 2 and a blank clamping jaw 8, wherein the servo motor 2 is connected to one side of the base 1, the output end of the servo motor 2 is fixedly connected with a screw rod 3 through a coupler, the screw rod 3 is positioned in the middle of the inside of the base 1, one side of the outer surface of the screw rod 3 is provided with a first spiral tooth 4, the other side of the outer surface of the screw rod 3 is provided with a second spiral tooth 5, and the tooth width of the second spiral tooth 5 is larger than that of the first spiral tooth 4;

the equal fixedly connected with guide rail 6 in both sides at 1 top of base, the equal fixedly connected with slider 7 in both sides of pressing from both sides embryo clamping jaw 8 bottom, slider 7 sliding connection is at the surface of guide rail 6, presss from both sides the middle part fixedly connected with fixture block 9 of embryo clamping jaw 8 bottom, and fixture block 9 is located the helicla flute of screw rod 3.

Through base 1, servo motor 2, the screw rod 3, first helical tooth 4, second helical tooth 5, guide rail 6, slider 7, press from both sides embryo clamping jaw 8 and fixture block 9's setting, press from both sides embryo clamping jaw 8 and install the top at slider 7, fixture block 9 is installed in the bottom that presss from both sides embryo clamping jaw 8, servo motor 2 corotation drives screw rod 3 clockwise rotation, fixture block 9 is located screw rod 3's helicla flute, slider 7 slides on guide rail 6, because the tooth width of second helical tooth 5 is greater than the tooth width of first helical tooth 4, and then can make and press from both sides between the embryo clamping jaw 8 and become the large pitch by the booth apart from, servo motor 2 reverses then to make and press from both sides between the embryo clamping jaw 8 and become the booth apart from by the booth apart from, moreover, the steam generator is simple in structure, and convenient for operation, the spoilage has been reduced, and prolonged service life.

Example two:

Base 1's bottom fixedly connected with bottom plate 10, one side at bottom plate 10 top is equipped with primary shaft bearing 11, 3 fixed inner circles of pegging graft at primary shaft bearing 11 of screw rod, one side fixedly connected with mounting bracket 13 at bottom plate 10 top, the bottom fixed connection of primary shaft bearing 11 is at the top of

mounting bracket

13, 2 fixed connection in the outside of mounting bracket 13 of servo motor, the top fixedly connected with protecting crust 14 in the mounting bracket 13 outside, protecting crust 14 is located servo motor 2's the outside, the opposite side fixedly connected with secondary shaft bearing 12 at bottom plate 10 top, the fixed inner circle of pegging graft at secondary shaft bearing 12 of one end of servo motor 2 is kept away from to screw rod 3.

Through the setting of first bearing frame 11 and second bearing frame 12, first bearing frame 11 and second bearing frame 12 can support the rotary motion of screw rod 3, reduce the coefficient of friction in the screw rod 3 motion process to guarantee the gyration precision of screw rod 3, improved holistic stability.

When using, servo motor 2 corotation drives 3 clockwise rotations of screw rod, fixture block 9 is located the helicla flute of screw rod 3, slider 7 slides on guide rail 6, because the tooth width of second helical tooth 5 is greater than the tooth width of first helical tooth 4, and then can make to press from both sides between the embryo clamping jaw 8 and become the large-space by the booth apart from, servo motor 2 reverses then to make to press from both sides between the embryo clamping jaw 8 and become the booth apart from by the booth apart from, through pressing from both sides between embryo clamping jaw 8 and be convenient for heat both interconversions of heating pitch and bottle blowing pitch in the chain, moreover, the steam generator is simple in structure, and convenient for operation, the damage rate is reduced, and the service life is prolonged.

It is to be noted that 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a become pitch manipulator mechanism, includes base (1), servo motor (2) and presss from both sides embryo clamping jaw (8), its characterized in that: the servo motor (2) is connected to one side of the base (1), the output end of the servo motor (2) is fixedly connected with a screw rod (3) through a coupler, the screw rod (3) is located in the middle of the inside of the base (1), one side of the outer surface of the screw rod (3) is provided with first spiral teeth (4), the other side of the outer surface of the screw rod (3) is provided with second spiral teeth (5), and the tooth width of the second spiral teeth (5) is larger than that of the first spiral teeth (4);

the equal fixedly connected with guide rail (6) in both sides at base (1) top, the equal fixedly connected with slider (7) in both sides of pressing from both sides embryo clamping jaw (8) bottom, slider (7) sliding connection is at the surface of guide rail (6), press from both sides middle part fixedly connected with fixture block (9) of embryo clamping jaw (8) bottom, fixture block (9) are located the helicla flute of screw rod (3).

2. The variable pitch robot mechanism of claim 1, wherein: the base is characterized in that a bottom plate (10) is fixedly connected to the bottom of the base (1), a first bearing seat (11) is arranged on one side of the top of the bottom plate (10), and the screw rod (3) is fixedly inserted into an inner ring of the first bearing seat (11).

3. The variable pitch robot mechanism of claim 2, wherein: one side fixedly connected with mounting bracket (13) at bottom plate (10) top, the bottom fixed connection of first bearing frame (11) is at the top of mounting bracket (13).

4. The variable pitch robot mechanism of claim 3, wherein: servo motor (2) fixed connection is in the outside of mounting bracket (13), top fixedly connected with protecting crust (14) in the mounting bracket (13) outside, protecting crust (14) are located the outside of servo motor (2).

5. The variable pitch robot mechanism of claim 2, wherein: the other side of the top of the bottom plate (10) is fixedly connected with a second bearing seat (12), and one end, far away from the servo motor (2), of the screw rod (3) is fixedly inserted into an inner ring of the second bearing seat (12).