CN107225389B

CN107225389B - Screw assembly quality

Info

Publication number: CN107225389B
Application number: CN201710462730.7A
Authority: CN
Inventors: 柏宗春; 吕晓兰; 夏礼如; 陶建平
Original assignee: Jiangsu Academy of Agricultural Sciences
Current assignee: Jiangsu Academy of Agricultural Sciences
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2023-09-12
Anticipated expiration: 2037-06-19
Also published as: CN107225389A

Abstract

The invention discloses a screw assembling device which comprises a screw assembling host machine for assembling screws, wherein the screw assembling host machine comprises an upper shell, a lower shell, a screw driver, a cylinder, a transmission gear assembly, a bearing a, a bearing b, a bearing c and a motor. The invention can replace manual screw assembling operation in the traditional assembling process, solves the problems of low production benefit and unstable product quality of manually installed screws, greatly improves the production efficiency and treatment, reduces the manual labor intensity, and has the characteristics of simple structure and high working efficiency.

Description

Screw assembly quality

Technical Field

The invention relates to the technical field of assembly equipment, in particular to a screw assembly device.

Background

The modern manufacturing industry is rapidly developing, and various machine equipment is endlessly layered. Regardless of the small device, the screws are not removed for tightening. However, at present, most of screw installation in the assembly production line in China still generally adopts manual operation, so that the labor intensity of workers is high, the production efficiency is low, the assembly quality of manual operation is unstable, and the requirement of the assembly production development of modern machines can not be met. Although related reports of screw assembly equipment exist at home and abroad, the equipment has the defects of huge volume, complex structure, high cost, unstable operation and the like.

Disclosure of Invention

The invention aims to overcome the defects of the background technology and provide a screw assembling device.

The invention is realized in that the screw assembling device comprises a screw assembling host machine for assembling screws, wherein the screw assembling host machine comprises an upper shell, a lower shell, a screw driver, a cylinder, a transmission gear assembly, a bearing a, a bearing b, a bearing c and a motor;

the upper shell is connected to the upper end of the lower shell, an upper end cover is arranged at the top of the upper shell, two cylinders which are parallel to each other and vertically arranged downwards are arranged on the upper end cover, piston rods of the two cylinders are respectively connected with connecting rods, an actuating box which is positioned between the two cylinders is connected between the piston rods of the two cylinders through the two connecting rods, a bearing a is fixedly connected in the actuating box, a screwdriver penetrates through the actuating box from top to bottom, the screwdriver is welded with an inner ring of a bearing a arranged in the actuating box, the upper surface and the lower surface in the actuating box are welded with an outer ring of the bearing a together, the actuating box and the actuating box provided with the bearing a are lifted under the action of the two cylinders together, a motor, a transmission gear a and a transmission gear b are all arranged in the upper shell, the motor is fixedly connected with one connecting rod, the top end of the screwdriver is connected with a transmission gear assembly, the transmission gear assembly is driven by the motor and drives the screwdriver to rotate, the lower end of the actuating box penetrates through the lower shell to the lower shell, the lower end of the screwdriver is welded with the inner ring of the bearing b, the lower shell is welded with the lower shell is provided with an inlet, and the lower shell is welded with the lower shell, and the lower shell is provided with an inlet, and the inlet is welded with the lower shell.

Further, the screw assembling device also comprises a screw feeding device for feeding screws to the screw assembling host machine, wherein the screw feeding device comprises a cylinder body, a hopper, a V-shaped slideway, a roller and a cylinder slideway;

install hopper and V type slide in the barrel, V type slide slope is installed in the barrel, V type slide comprises two plate bodies that are V style of calligraphy and arrange, leaves the channel that can supply the rod end of screw to pass between the lower extreme of two plate bodies, the one end and the inner wall rigid coupling of barrel of V type slide, the barrel is worn to establish downwards to the other end slope of V type slide, the hopper is installed in the top on V type slide top, the directional V type slide of discharge gate of hopper, still install the roller on the V type slide, the cylinder slide passes through the outside of support mounting at the barrel, cylinder slide downward sloping sets up in the preceding below of V type slide bottom, the bottom of cylinder slide is connected with the screw import and keeps the intercommunication.

Further, the transmission gear assembly comprises a transmission gear a and a transmission gear b, an output shaft of the motor is connected with the transmission gear a, the transmission gear b is connected with the top end of the screwdriver, the transmission gear a is meshed with the transmission gear b, and the screwdriver drives the transmission gear a and the transmission gear b to rotate through the motor.

Further, the screwdriver comprises a screwdriver rod and a screwdriver head, the screwdriver rod is welded with the bearing inner ring of the bearing a arranged in the actuating box, and the top end of the screwdriver rod is connected with the transmission gear assembly.

Further, an oscillator is installed outside the hopper.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a screw assembly device, which can replace manual screw assembly operation in the traditional assembly process, solves the problems of low production benefit and unstable product quality of manually installed screws, greatly improves the production efficiency and treatment, reduces the manual labor intensity, and has the characteristics of simple structure and high working efficiency.

Drawings

FIG. 1 is a schematic view showing a screw assembling apparatus according to embodiment 1 of the present invention;

FIG. 2 is a schematic view showing the structure of a screw assembling apparatus according to embodiment 2 of the present invention;

fig. 3 is a schematic view showing the structure of a screw feeding device 16 in embodiment 2 of the present invention;

fig. 4 is a schematic diagram showing the matching relationship between the V-shaped slideway 23 and the screw in the embodiment 2 of the present invention.

Reference numerals illustrate:

1. the screw assembly host machine comprises a screw assembly host machine, 2, an upper shell, 3, a lower shell, 4, a screw driver, 5, a cylinder, 6, a transmission gear a,7, a transmission gear b,8, a bearing a,9, a bearing b,10, an upper end cover, 11, a connecting rod, 12, an actuating box, 13, a motor, 14, a bearing c,15, a bottom opening, 16, a screw supply device, 17, a barrel, 18, a hopper, 19, a barrel slideway, 20, a roller, 21, an oscillator, 22, a screw inlet, 23, a V-shaped slideway, 24 and a channel.

Detailed Description

The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.

Example 1

As shown in fig. 1, the screw assembling device provided by the embodiment of the invention comprises a screw assembling host 1 for performing screw assembling, wherein the screw assembling host 1 comprises an upper shell 2, a lower shell 3, a screw driver 4, a cylinder 5, a transmission gear assembly, a bearing a8, a bearing b9, a bearing c14 and a motor 13;

the upper shell 2 is connected to the upper end of the lower shell 3, an upper end cover 10 is arranged at the top of the upper shell 2, two cylinders 5 which are parallel to each other and are vertically and downwards arranged are arranged on the upper end cover 10, piston rods of the two cylinders 5 are respectively connected with a connecting rod 11, an actuating box 12 which is positioned between the two cylinders 5 is connected between the piston rods of the two cylinders 5 through the two connecting rods 11, a bearing a8 is fixedly connected in the actuating box 12, a screwdriver 4 penetrates through the actuating box 12 from top to bottom, the screwdriver 4 is welded with an inner ring of a bearing a8 arranged in the actuating box 12, the upper surface and the lower surface in the actuating box 12 are welded with an outer ring of a bearing a8, the actuating box 12 together with the actuating box 12 provided with the bearing a8 are lifted under the action of the two cylinders 5, a motor 13, a transmission gear a6 and a transmission gear b7 are all arranged in the upper shell 2, the motor 13 is fixedly connected with one of the two cylinders 11, the top end of the screwdriver 4 is fixedly connected with a transmission gear assembly, the transmission gear assembly is driven by the motor 13 and drives the screwdriver 4 to rotate, the upper end of the screwdriver 4 is arranged in the shell, the upper end of the screwdriver 4 is welded with the lower shell 3, the lower end of the bearing b is welded with the bearing b9, the lower end of the bearing b 3 is arranged in the shell 3, the upper end of the shell is welded with the lower end of the bearing b 3, the bearing b is welded with the bearing b9, the lower end of the bearing b is arranged in the shell 3, the bearing 3 is welded with the bearing b is arranged in the bearing 3, the bearing 3 is arranged in the bearing 3, the bearing 3 is provided with the bearing 3, and the bearing 3 is provided with the bearing 3 has the bearing 3, and the bearing 3 is provided with the bearing 3, and the bearing 3 has the 3 has the 3.

In the embodiment of the invention, the transmission gear assembly comprises a transmission gear a6 and a transmission gear b7, the output shaft of the motor 13 is connected with the transmission gear a6, the transmission gear b7 is connected with the top end of the screwdriver 4, the transmission gear a6 is meshed with the transmission gear b7, and the screwdriver 4 drives the transmission gear a6 and the transmission gear b7 to rotate through the motor 13.

In the embodiment of the invention, the screwdriver 4 comprises a screwdriver rod and a screwdriver head, wherein the screwdriver rod and the bearing inner ring of the bearing a8 arranged in the actuating box 12 are welded together, and the top end of the screwdriver rod is connected with the transmission gear assembly.

The working principle of the screw assembly device provided by the embodiment of the invention is as follows:

when the screw assembling device is used, screws are conveyed to the screw inlet 22 of the lower shell 3 through external equipment, then enter the lower shell 3 through the screw inlet 22, are positioned below the screw driver 4 and above the bottom opening 15, then the two air cylinders 5 are controlled by the controller, so that piston rods of the air cylinders 5 extend, the screw driver 4 is driven to move downwards, the screw bottom opening 15 is pushed to reach an assembling position by the tool bit end of the screw driver 4, then the controller drives the motor 13 to operate, the screw driver 4 is driven to rotate through the transmission gear assembly, the tool bit of the screw driver 4 rotates along with the rotation of the tool bit, and the screw on the tool bit is screwed to an installing position under the action of the rotation of the tool bit, so that the screw tightening operation is completed, and the screw assembling device is fast and efficient.

Example 2

As shown in fig. 2 and 3, the screw assembling device according to the embodiment of the present invention includes a screw assembling main body 1 for performing screw assembling and a screw supplying device 16 connected to the screw assembling main body 1 for supplying screws to the screw assembling main body 1.

The screw assembly host 1 comprises an upper shell 2, a lower shell 3, a screw driver 4, a cylinder 5, a transmission gear assembly, a bearing a8, a bearing b9, a bearing c14 and a motor 13;

In comparison with embodiment 1, this embodiment is a preferred embodiment of the present invention, and the screw assembling device of the embodiment of the present invention further includes a screw supplying device 16 for supplying screws to the screw assembling host 1. As shown in fig. 2 and 3, the screw feeding device 16 includes a cylinder 17, a hopper 18, a V-shaped chute 23, a roller 20, and a cylindrical chute 19;

the hopper 18 and the V-shaped slide 23 are installed in the barrel 17, the V-shaped slide 23 is obliquely installed in the barrel 17, as shown in fig. 4, the V-shaped slide 23 is composed of two plates which are arranged in a V shape, a channel 24 through which a rod end of a screw can pass is reserved between the lower ends of the two plates, one end of the V-shaped slide 23 is fixedly connected with the inner wall of the barrel 17, the other end of the V-shaped slide 23 obliquely downwards penetrates out of the barrel 17, the hopper 18 is installed above the top end of the V-shaped slide 23, a discharge hole of the hopper 18 points to the V-shaped slide 23, a roller 20 is also installed on the V-shaped slide 23, the cylinder slide 19 is installed outside the barrel 17 through a bracket, the cylinder slide 19 is obliquely arranged below the front end of the bottom end of the V-shaped slide 23, and the bottom end of the cylinder slide 19 is connected with the screw inlet 22 and keeps communicating.

In the embodiment of the present invention, an oscillator 21 is installed outside the hopper 18.

when the screw assembling device of the embodiment of the invention is used, screws are pre-placed in the hopper 18 in the barrel 17, under the action of the oscillator 21, the screws in the hopper 18 successively fall onto the V-shaped slide rail 23 through the discharge port of the hopper 18, after the screws fall onto the V-shaped slide rail 23, the V-shaped slide rail 23 is provided with the channel 24 through which the rod ends of the screws can pass, so that the rod ends of the screws can more easily pass through the channel 24 after the screws fall onto the V-shaped slide rail 23, the screw cap ends of the screws are naturally positioned above, and once the screws enter the channel 24, the screws continue to slide down through the guiding action of the channel 24 to reach the bottom end of the V-shaped slide rail 23, and before the screws reach the bottom end of the V-shaped slide rail 23, the V-shaped slide rail 23 is provided with the rollers 20, if the rod ends of the screws face upwards, the rollers 20 can reject the screws which do not meet the position requirements, the screw meeting the position requirement falls into the cylinder slide 19 after reaching the bottom end of the V-shaped slide 23, then continuously slides down under the action of gravity, enters into the lower shell 3 through the screw inlet 22, is positioned below the screw driver 4 and above the bottom opening 15, and then controls the two cylinders 5 through the controller, so that the piston rod of the cylinder 5 extends, then drives the screw driver 4 to move downwards, thereby pushing the screw bottom opening 15 to reach the assembly position by the tool bit end of the screw driver 4, then drives the motor 13 to operate, drives the screw driver 4 to rotate through the transmission gear assembly, and then the tool bit of the screw driver 4 rotates, so that the screw on the tool bit is screwed to the installation position under the action of the tool bit rotation, the screwing operation of the screw is completed, and the screw driver is fast and efficient.

The screw assembling device provided by the embodiment of the invention can automatically arrange the screws in order, supply and assemble the screws, solve the problems of low production benefit and unstable product quality of manually installed screws, and greatly improve the production efficiency to meet the increasing production demands. The device has the characteristics of simple structure and high working efficiency, and has wide application prospect.

The above disclosure is only of the preferred embodiments of the invention, but the embodiments of the invention are not limited thereto, and any changes that can be thought by those skilled in the art should fall within the protection scope of the invention.

Claims

1. The screw assembling device is characterized by comprising a screw assembling host machine (1) for assembling screws, wherein the screw assembling host machine (1) comprises an upper shell (2), a lower shell (3), a screw driver (4), a cylinder (5), a transmission gear assembly, a bearing a (8), a bearing b (9), a bearing c (14) and a motor (13); the upper shell (2) is connected with the upper end of the lower shell (3), an upper end cover (10) is arranged at the top of the upper shell (2), two cylinders (5) which are parallel to each other and are vertically and downwards arranged are arranged on the upper end cover (10), the piston rods of the two cylinders (5) are respectively connected with a connecting rod (11), an actuating box (12) positioned between the two cylinders (5) is connected between the piston rods of the two cylinders (5) through the two connecting rods (11), a bearing a (8) is fixedly connected in the actuating box (12), a screw driver (4) is penetrated from top to bottom in the actuating box (12), the screw driver (4) is welded with the bearing inner ring of the bearing a (8) arranged in the actuating box (12), the upper surface and the lower surface in the actuating box (12) are welded with the bearing outer ring of the bearing a (8), the actuating box (12) together with the actuating box (12) provided with the bearing a (8) is connected with two motors (5), the gear (7) are arranged under the action of the two motors (5), the gear (13) are arranged in the upper end of the screw driver (4), the gear assembly (13) is connected with the upper end of the screw driver (4), the upper end of the screw driver (13) is connected with the upper end of the lower end of the screw driver (8) through the lower end of the screw driver, the screw driver is characterized in that the transmission gear assembly is driven by a motor (13) and drives a screw driver (4) to rotate, the lower end of the screw driver (4) penetrates out of the bottom of the upper shell (2) and is arranged in the lower shell (3), a bearing b (9) and a bearing c (14) which are arranged at intervals up and down are arranged in the lower shell (3), a bearing inner ring of the bearing b (9) and a bearing c (14) is welded with the screw driver (4), a bearing outer ring of the bearing b (9) and the bearing c (14) is welded with the lower shell (3), the lower end of the lower shell (3) is cylindrical, a bottom opening (15) is formed in the bottom end of the lower shell (3), and a screw inlet (22) is formed in the outer wall of the lower shell (3) above the bottom opening (15); the screw assembling device further comprises a screw feeding device (16) for feeding screws to the screw assembling host machine (1), wherein the screw feeding device (16) comprises a cylinder body (17), a hopper (18), a V-shaped slideway (23), a roller (20) and a cylinder slideway (19); the novel screw feeder is characterized in that a hopper (18) and a V-shaped slide rail (23) are installed in the barrel (17), the V-shaped slide rail (23) is obliquely installed in the barrel (17), the V-shaped slide rail (23) is composed of two plate bodies which are arranged in a V shape, a channel (24) through which a screw rod end passes is reserved between the lower ends of the two plate bodies, one end of the V-shaped slide rail (23) is fixedly connected with the inner wall of the barrel (17), the other end of the V-shaped slide rail (23) obliquely downwards penetrates out of the barrel (17), the hopper (18) is installed above the top end of the V-shaped slide rail (23), a discharge hole of the hopper (18) points to the V-shaped slide rail (23), a roller (20) is also installed on the V-shaped slide rail (23), a cylinder slide rail (19) is installed outside the barrel (17) through a bracket, the cylinder slide rail (19) is downwards obliquely arranged below the front end of the bottom end of the V-shaped slide rail (23), and the bottom end of the cylinder slide rail (19) is connected with the screw inlet (22) and keeps communication. The driving gear assembly comprises a driving gear a (6) and a driving gear b (7), an output shaft of the motor (13) is connected with the driving gear a (6), the driving gear b (7) is connected with the top end of the screwdriver (4), the driving gear a (6) is meshed with the driving gear b (7), and the screwdriver (4) drives the driving gear a (6) and the driving gear b (7) to rotate through the motor (13).

2. Screw assembly device according to claim 1, characterized in that the screwdriver (4) comprises a screwdriver shank and a tool bit, the screwdriver shank being welded together with the bearing inner ring of the bearing a (8) mounted in the actuation box (12), the tip of the screwdriver shank being connected to the transmission gear assembly.

3. Screw assembly device according to claim 1, wherein an oscillator (21) is mounted outside the hopper (18).