CN110900174A

CN110900174A - Automatic screw equipment of adjustable angle

Info

Publication number: CN110900174A
Application number: CN201911131213.7A
Authority: CN
Inventors: 曹俊廷
Original assignee: JIASHAN FUJITECH PLASTIC Co Ltd
Current assignee: JIASHAN FUJITECH PLASTIC Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-03-24
Anticipated expiration: 2039-11-19
Also published as: CN110900174B

Abstract

The invention discloses an automatic screw device with an adjustable angle, which has the technical scheme that: the utility model provides an automatic screw equipment of adjustable angle, includes the organism, the organism is provided with the fixed establishment that the work piece that supplies to wait to twist the screw was placed, is used for twisting the screw mechanism, the conveying mechanism who is used for carrying the screw of the work piece of waiting to twist the screw with the screw. The invention achieves the purposes of fixing and adjusting the angle of a workpiece to be screwed through the fixing mechanism, is convenient for screwing screws in multiple angles, and realizes automatic multi-angle screwing of screws through the screw screwing mechanism and the conveying mechanism.

Description

Automatic screw equipment of adjustable angle

Technical Field

The invention relates to the field of workpiece assembly, in particular to an automatic screw device with an adjustable angle.

Background

Screws are generally used for fixing during the assembly process of the parts.

The existing handheld semi-automatic screw driving mode: if the screws are more, the screwing takes long time and is low in efficiency, the screwing can be completed by 2-3 stations sometimes, workers also need to carry and place products, and the handheld semi-automatic screws are limited as follows:

1) screws below M2 could not be completed;

2) the screw with the gasket cannot be finished by a handheld semi-automatic screwing machine;

3) when the length of the screw teeth is less than or equal to the diameter of the screw head, the operation cannot be finished;

4) when the screw counter bore exceeds 2MM, the screw length is needed to be considered;

5) and screws with more than 10 torsion are selected from the screwdriver, and the screwdriver is heavy and is very tired to be manually driven.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

Disclosure of Invention

The invention aims to provide automatic screw equipment with an adjustable angle, which can fix and adjust the angle of a workpiece to be screwed through a fixing mechanism, facilitate multi-angle screw screwing, and realize automatic multi-angle screw screwing through a screw screwing mechanism and a conveying mechanism.

The technical purpose of the invention is realized by the following technical scheme: an automatic screw device with adjustable angle comprises a machine body, wherein the machine body is provided with a fixing mechanism for placing a workpiece to be screwed with a screw, a screw screwing mechanism for screwing the screw into the workpiece to be screwed with the screw, and a conveying mechanism for conveying the screw;

the fixing mechanism comprises a sliding table horizontally and slidably connected to the machine body, a placing table hinged to the upper end face of the sliding table, and a rotating cylinder arranged on the sliding table and driving the sliding table to turn over, the rotating axial direction of the placing table is perpendicular to the sliding direction of the sliding table, the rotating cylinder body is hinged to the placing table, the rotating cylinder output shaft is hinged to the sliding table, and a workpiece to be screwed is placed on the upper surface of the placing table;

the screw screwing mechanism comprises a three-axis mechanical arm arranged on the machine body, an installation block connected to the three-axis mechanical arm in a sliding mode along the vertical direction, a screw locking machine which is connected to the installation block in the sliding mode along the vertical direction and used for screwing screws, a lifting assembly which is arranged on the installation block and drives the screw locking machine to lift, and an adsorption assembly which is used for sucking the screws and guiding the screws into positions corresponding to workpieces of the screws to be screwed, wherein the screw locking machine is located above the workpieces of the screws to be screwed and is vertically and downwards arranged;

conveying mechanism including set up in the connecting plate of triaxial arm, along horizontal direction sliding connection in the connecting plate and carry the screw to the slide under the straw, set up in the jack that the slide and supply the screw to penetrate, set up in conveying cylinder, fixed connection that connecting plate and drive slide remove in the pipe is sent to the direction of connecting plate, the pipe is vertical setting.

The invention is further provided with: the lifting assembly comprises a sliding block which is connected with the mounting block in a sliding mode in the vertical direction, and a lifting cylinder which is arranged on the mounting block and drives the sliding block to lift, the screw locking machine is fixedly connected with the sliding block, the lifting cylinder is vertically arranged downwards, an output shaft of the lifting cylinder is fixedly connected with the sliding block, a spring is sleeved on the output shaft of the lifting cylinder, and the lower end face of the spring abuts against the upper end face of the sliding block.

The invention is further provided with: the lower end surface of the suction pipe is flush with the upper surface of the sliding plate.

The invention is further provided with: the lower end face of the suction pipe is provided with a sealing ring for keeping the lower end face of the suction pipe and the upper surface of the sliding plate sealed, the sealing ring is fixedly connected to the suction pipe, and the sealing ring is made of rubber.

The invention is further provided with: the fixing mechanisms are arranged in two groups, and the two groups of fixing mechanisms are arranged in a direction perpendicular to the sliding direction.

The invention is further provided with: the slip table is provided with the confession place the butt piece of terminal surface butt under the platform, butt piece butt is kept away from its one end with the slip table articulated in placing the platform, butt piece material is rubber, the slip table is provided with the regulation the adjusting part of butt piece height.

The invention is further provided with: the adjusting assembly comprises a screw rod penetrating through the sliding table, two screw threads connected to the screw rod and nuts respectively arranged at the upper end and the lower end of the sliding table, and the upper end face of the abutting block is fixedly connected to the upper end face of the screw rod.

In conclusion, the invention has the following beneficial effects:

the height of the screw relative to the sliding table is fixed through the two nuts, and meanwhile, the height of the abutting block of the screw machine is adjusted by screwing the nuts, so that the lower end face of the placing table is ensured to be normally abutted against the abutting block; when screws are screwed on the workpiece on the placing table, the relative position of the workpiece is conveniently adjusted through horizontal movement of the sliding table, and meanwhile, the placing table is driven to rotate through the rotating air cylinder, so that the angle of the position of the workpiece to be screwed is adjusted, the position of the workpiece to be screwed is ensured to be vertically upward, and screws are screwed in multiple angles;

when the screw is screwed, the suction pipe is exhausted through the exhaust pipe, the head of the screw is sucked by the lower end face of the suction pipe, the screw is fixed on the lower end face of the suction pipe, the suction pipe is driven to move downwards through the three-axis mechanical arm, the screw is placed and positioned at the corresponding position of a workpiece, the sliding block is driven to move downwards through the lifting cylinder, the cutter head of the screw locking machine abuts against the head of the screw, and therefore the screw is screwed through the screw locking machine;

when the screw is conveyed, the screw is conveyed to the guide conveying pipe through the screw conveying machine and slides into the insertion hole from the guide conveying pipe, then the conveying cylinder drives the sliding plate to slide to the position of the suction pipe, the insertion hole is located under the suction pipe, then the suction pipe is used for sucking air, the head of the screw is sucked by the suction pipe, then the driving cylinder drives the mounting block to move upwards, the screw is separated from the insertion hole, the conveying cylinder enables the sliding plate to reset, and then the screw can be screwed through next operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of section A of FIG. 2;

FIG. 4 is a side view of the present invention;

fig. 5 is an enlarged view of a portion B of fig. 4.

The corresponding part names indicated by the numbers in the figures: 1. a body; 2. a sliding table; 3. a placing table; 4. rotating the cylinder; 5. a butting block; 6. a screw; 7. a nut; 8. a three-axis mechanical arm; 9. mounting blocks; 11. a screw locking machine; 12. a slider; 13. a lifting cylinder; 14. a spring; 15. a straw; 16. an air exhaust pipe; 17. a connecting plate; 18. a slide plate; 19. a conveying cylinder; 20. a jack; 21. a delivery pipe; 22. and (4) a sealing ring.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.

As shown in fig. 1 to 5, the automatic screw device with adjustable angle provided by the invention comprises a machine body 1, wherein the machine body 1 is provided with a fixing mechanism for placing a workpiece to be screwed, a screw screwing mechanism for screwing a screw into the workpiece to be screwed, and a conveying mechanism for conveying the screw.

Wherein fixed establishment can set up to two sets ofly, and two sets of fixed establishment are relative setting, including horizontal sliding connection in organism 1's slip table 2, articulate in the platform 3 of placing of 2 up end of slip table, set up in slip table 2 and drive the rotation cylinder 4 of 2 upsets of slip table places platform 3 and rotates the direction of sliding of axial perpendicular to slip table 2, and rotation cylinder 4 cylinder body articulates in placing platform 3, and rotation cylinder 4 output shaft articulates in slip table 2, treats that the work piece of twisting the screw place in place 3 upper surfaces of platform. And there is the mechanism of drive slip table 2 horizontal migration between organism 1 and slip table 2, and this mechanism can be electronic jar structure etc. plays drive slip table 2 and removes for organism 1, is prior art. Install the butt piece 5 that supplies to place the terminal surface butt under the platform 3 at slip table 2 up end, 5 butt of butt pieces keep away from its one end with slip table 2 articulated in placing

platform

3, and 5 materials of butt pieces are rubber. For conveniently adjusting the height of the abutting block 5, the sliding table 2 is provided with an adjusting component for adjusting the height of the abutting block 5, the adjusting component comprises a screw rod 6 penetrating through the sliding table 2, two nuts 7 which are connected with the screw rod 6 and are respectively arranged at the upper end and the lower end of the sliding table 2, and the upper end face of the abutting block 5 is fixedly connected with the upper end face of the screw rod 6. The height of the screw 6 relative to the sliding table 2 is fixed through two nuts 7, and meanwhile, the height of the abutting block 5 of the screw 6 is adjusted by screwing the nuts 7, so that the lower end face of the placing table 3 is ensured to be normally abutted against the abutting block 5; and when twisting the screw to placing the work piece on the platform 3, conveniently adjust work piece relative position through 2 horizontal migration of slip table, place 3 turned angle of platform through rotating cylinder 4 drive simultaneously, reach the angle of adjusting the work piece and treating to twist the screw position, ensure to treat that to twist the screw position is vertical upwards, realize that the multi-angle twists the screw.

Screw mechanism including set up in the triaxial arm 8 of organism 1, along vertical direction sliding connection in the machine 11 is paid to the screw lock of installing piece 9, along vertical direction sliding connection in installing piece 9 and being used for twisting the screw is paid to the installation piece 9 and drive the lift subassembly that 11 goes up and down is paid to the screw lock, is used for absorbing the screw and with the leading-in work piece corresponding position of waiting to twist the screw of screw absorption subassembly that corresponds of screw. The screw locking machine 11 is located above a workpiece to be screwed and vertically arranged downwards, and a cylinder capable of driving the mounting block to slide up and down is arranged in the three-axis mechanical arm 8 and is located inside the three-axis mechanical arm (not marked in the figure).

Lifting unit includes along vertical direction sliding connection in the slider 12 of installation piece 9, fixed connection in the installation piece 9 and the lift cylinder 13 that drives the lift of

slider

12, and 11 fixed connection are paid in slider 12 to the screw lock, and lift cylinder 13 is vertical setting downwards, and 13 output shafts fixed connection in slider 12 of lift cylinder 13 to 13 output shafts of lift cylinder are equipped with

spring

14, 14 terminal surface butt in slider 12 up end under the spring. The lifting cylinder 13 drives the sliding block 12 to lift, and meanwhile, the spring 14 can play a role in buffering, so that vibration is avoided. The adsorption component comprises a suction pipe 15 which is arranged on the mounting block 9 and is vertically arranged, and an exhaust pipe 16 which is connected to the suction pipe 15 and used for exhausting air to the suction pipe 15, wherein a cutter head of the screw locking machine 11 penetrates through the suction pipe 15 and seals the upper end face of the suction pipe 15. When screwing, the suction pipe 15 is sucked through the suction pipe 16, the head of the screw is sucked by the lower end face of the suction pipe 15, the screw is fixed on the lower end face of the suction pipe 15, the suction pipe 15 is driven to move downwards through the three-axis mechanical arm 8, the screw is placed and positioned at the corresponding position of a workpiece, the slide block 12 is driven to move downwards through the lifting air cylinder 13, and the cutter head of the screw locking machine 11 abuts against the head of the screw so as to screw through the screw locking machine 11.

Conveying mechanism is including setting up in the connecting plate 17 of triaxial arm 8, along horizontal direction sliding connection in connecting plate 17 and carry the screw to slide 18 under straw 15, offer slide 18 and supply the jack 20 that the screw penetrated, be fixed in connecting plate 17 and drive slide 18 horizontal migration's transport cylinder 19, fixed connection in connecting plate 17's guide pipe 21, guide pipe 21 is vertical setting, guide pipe 21 can connect in the screw feeder. And the upper surface of the slide plate 18 is flush with the lower end surface of the suction pipe 15, the screw thread portion is inserted into the insertion hole 20, and the head of the screw is caught in the insertion hole 20, and the head of the screw is lower than the upper surface of the slide plate 18 or flush with the upper surface of the slide plate 18. When the screw is conveyed, the screw is conveyed to the guide and conveying pipe 21 through the screw feeder, the screw slides into the insertion hole 20 from the guide and conveying pipe 21, then the conveying cylinder 19 drives the sliding plate 18 to slide to the position of the suction pipe 15, the insertion hole 20 is located under the suction pipe 15, then the suction pipe 15 is sucked through the suction pipe 16, the head of the screw is sucked by the suction pipe 15, then the mounting block 9 is driven to move upwards through the driving cylinder 10, the screw is separated from the insertion hole 20, the sliding plate 18 is reset through the conveying cylinder 19, and then the next screw screwing operation can be carried out.

In order to seal the gap between the lower end surface of the suction pipe 15 and the sliding plate 18, a sealing ring 22 for keeping the lower end surface of the suction pipe 15 sealed with the upper surface of the sliding plate 18 is fixedly connected to the lower end surface of the suction pipe 15, and the sealing ring 22 is made of rubber.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic screw equipment of adjustable angle, includes organism (1), its characterized in that: the machine body (1) is provided with a fixing mechanism for placing a workpiece to be screwed, a screw screwing mechanism for screwing a screw into the workpiece to be screwed and a conveying mechanism for conveying the screw;

the fixing mechanism comprises a sliding table (2) horizontally and slidably connected to the machine body (1), a placing table (3) hinged to the upper end face of the sliding table (2), and a rotating cylinder (4) arranged on the sliding table (2) and driving the sliding table (2) to turn over, the rotating axial direction of the placing table (3) is perpendicular to the sliding direction of the sliding table (2), a cylinder body of the rotating cylinder (4) is hinged to the placing table (3), an output shaft of the rotating cylinder (4) is hinged to the sliding table (2), and a workpiece to be screwed is placed on the upper surface of the placing table (3);

the screwing mechanism comprises a triaxial mechanical arm (8) arranged on the machine body (1), a mounting block (9) connected with the triaxial mechanical arm (8) in a sliding manner along the vertical direction, a screw locking machine (11) connected with the mounting block (9) in a sliding manner along the vertical direction and used for screwing screws, a lifting component arranged on the mounting block (9) and driving the screw locking machine (11) to lift, and an adsorption component used for absorbing the screws and guiding the screws into the positions corresponding to the workpieces of the screws to be screwed, the screw locking machine (11) is positioned above a workpiece to be screwed and is vertically arranged downwards, the adsorption component comprises a suction pipe (15) which is arranged on the mounting block (9) and is vertically arranged, and an air suction pipe (16) which is connected with the suction pipe (15) and is used for sucking air to the suction pipe (15), the cutter head of the screw locking machine (11) penetrates through the suction pipe (15) and seals the upper end face of the suction pipe (15);

conveying mechanism including set up in connecting plate (17), along horizontal direction sliding connection in of triaxial arm (8) slide (18) under connecting plate (17) and carry the screw to straw (15), set up in slide (18) and supply jack (20) that the screw penetrated, set up in connecting plate (17) and drive transport cylinder (19) that slide (18) removed, fixed connection in pipe (21) is led to connecting plate (17), pipe (21) are vertical setting.

2. An automatic adjustable angle screwing apparatus according to claim 1, wherein: the lifting assembly comprises a sliding block (12) which is slidably connected with the mounting block (9) in the vertical direction, a lifting cylinder (13) which is arranged on the mounting block (9) and drives the sliding block (12) to lift, a screw locking machine (11) is fixedly connected with the sliding block (12), the lifting cylinder (13) is vertically arranged downwards, an output shaft of the lifting cylinder (13) is fixedly connected with the sliding block (12), an output shaft of the lifting cylinder (13) is sleeved with a spring (14), and the lower end face of the spring (14) is abutted to the upper end face of the sliding block (12).

3. An automatic adjustable angle screwing apparatus according to claim 1, wherein: the lower end surface of the suction pipe (15) is flush with the upper surface of the sliding plate (18).

4. An automatic adjustable angle screwing apparatus according to claim 3, wherein: the sealing device is characterized in that a sealing ring (22) for keeping the lower end face of the suction pipe (15) and the upper surface of the sliding plate (18) sealed is arranged on the lower end face of the suction pipe (15), the sealing ring (22) is fixedly connected to the suction pipe (15), and the sealing ring (22) is made of rubber.

5. An automatic adjustable angle screwing apparatus according to claim 1, wherein: the fixing mechanisms are arranged in two groups, and the two groups of fixing mechanisms are arranged in a direction perpendicular to the sliding direction.

6. An adjustable angle automatic screw device according to claim 5, characterized in that: slip table (2) are provided with the confession place butt piece (5) of terminal surface butt under platform (3), butt piece (5) butt is kept away from its and slip table (2) articulated one end in placing platform (3), butt piece (5) material is rubber, slip table (2) are provided with the regulation the adjusting part of butt piece (5) height.

7. An adjustable angle automatic screw device as claimed in claim 6, wherein: the adjusting assembly comprises a screw rod (6) penetrating through the sliding table (2), two threads connected to the screw rod (6) and respectively arranged at the upper end and the lower end of the sliding table (2), and the upper end face of the abutting block (5) is fixedly connected to the upper end face of the screw rod (6).