CN214518704U

CN214518704U - Automatic screw twisting device

Info

Publication number: CN214518704U
Application number: CN202120284575.6U
Authority: CN
Inventors: 郭子旭; 李林国; 梁江英; 李苏妹; 王龙; 李建平
Original assignee: Hangzhou Weiguang Electronic Co Ltd
Current assignee: Hangzhou Weiguang Electronic Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-29
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an automatic twist screw device. The problems that the prior art cannot meet the high-efficiency production of the same product with a plurality of screws and the large-batch production of the same product with the plurality of screws are solved; the utility model comprises a guide rod, a screw screwing component and a first driving device, wherein the first driving device drives the screw screwing component to move along the guide rod; the screw screwing component comprises a moving plate, a plurality of screwdrivers and a driving motor, the driving motor respectively drives the screwdrivers to rotate, and the screwdrivers are matched with the positions of screws on a product and are distributed on the moving plate; the automatic screw screwing device further comprises a pressing plate and a second driving device, the pressing plate is driven by the second driving device to move up and down, and the pressing plate is arranged above a product. A plurality of screw subassemblies of twisting of this scheme move simultaneously, can accomplish a product simultaneously and fasten in the screw of different positions, improve production efficiency, satisfy mass production's demand.

Description

Automatic screw twisting device

Technical Field

The utility model relates to a twist the screw device field, especially relate to an automatic twist screw device.

Background

The screw connection is a common connection mode in assembly, and at present, the common screw screwing modes mainly include the following two modes: 1. the common screwdriver adopts a manual grabbing screw, is manually corrected and then placed into a screw hole, and then is manually controlled to screw the screw to assemble or connect a product; 2. the electric screwdriver adopts a manual control screwdriver to grab screws, is manually corrected and then placed into corresponding screw holes, and starts the screwdriver to screw the screws to assemble or connect products. Aiming at the two screwing modes, the mode 1 is suitable for assembling or connecting a small quantity of small products, the efficiency is low and the quality is not easy to guarantee for the production assembling or connecting of relatively large or batch products, and compared with the screwing mode of the mode 1, the mode 2 obviously eliminates some defects in the mode 1, improves the production efficiency and reduces certain labor intensity. However, the screwing method still cannot satisfy mass production, and the efficiency needs to be further improved.

For example, an "automatic screw driving machine" disclosed in chinese patent literature, which is under the publication number CN209648079U, includes a frame, on which a pre-treatment area and a post-treatment area are disposed; the guide rails sequentially penetrate through the front treatment area and the rear treatment area; the movable plate assembly comprises a movable plate and a first driving element, the movable plate is connected to the guide rail in a sliding mode, the first driving element is used for driving the movable plate to slide, and a fixing device is arranged on the movable plate and used for fixing a workpiece to be screwed; the screw screwing assembly comprises a mounting rack arranged on the post-processing area, the mounting rack is provided with a mounting plate, and the mounting plate is positioned right above the front processing area and the post-processing area; the mounting plate is provided with a pre-positioning device at a position opposite to the pre-processing area, the mounting plate is provided with a screw screwing device at a position opposite to the post-processing area, the centers of the pre-positioning device and the screw screwing device are positioned on the same straight line, and the straight line is parallel to the guide rail. Although this solution can promote production efficiency, still can not satisfy the same product and the large batch production that have a plurality of screws.

Disclosure of Invention

The utility model mainly solves the problems that the prior art can not meet the high-efficiency production of the same product with a plurality of screws and the large-batch production thereof; the utility model provides an automatic twist screw device, with the screw correction back in a plurality of positions of product, a plurality of twists the screw subassembly and moves simultaneously, accomplishes the fastening of a plurality of screws simultaneously, improves production efficiency, satisfies mass production's demand.

The above technical problem of the present invention can be solved by the following technical solutions:

an automatic screw screwing device comprises a guide rod, a screw screwing assembly and a first driving device, wherein the first driving device drives the screw screwing assembly to move along the guide rod; the screw screwing component comprises a moving plate, a plurality of screwdrivers and a driving motor, the driving motor respectively drives the screwdrivers to rotate, and the screwdrivers are matched with the positions of screws on a product and are distributed on the moving plate; the automatic screw screwing device further comprises a pressing plate and a second driving device, the pressing plate is driven by the second driving device to move up and down, and the pressing plate is arranged above a product.

When the product is transported to the below, the second driving device drives the pressing plate to compress the product, so that the subsequent locking screws are convenient to use, the product gap after locking is smaller, the screw locking process is smoother, and the service life of the screw screwing assembly is prolonged. A plurality of screw assemblies of twisting move simultaneously, can accomplish a product simultaneously and fasten in the screw of different positions, improve production efficiency, satisfy mass production's demand.

Preferably, the automatic screwing device further comprises a supporting rod and a supporting plate, the supporting rod and the guide rod are arranged in parallel, one end of the supporting rod and one end of the guide rod are fixedly arranged on the bottom surface of the supporting plate, the first driving device is arranged on the top surface of the supporting plate, and an output rod of the first driving device penetrates through the supporting plate and is connected with the movable plate of the screwing assembly. Set up bracing piece and backup pad, guarantee the firm of device.

Preferably, a mounting plate is fixedly arranged between the guide rods, the second driving device is fixedly mounted on the mounting plate, a pressing plate limiting rod is further fixedly arranged on the mounting plate, and the pressing plate limiting rod is arranged below the pressing plate. And the mounting plate is used for fixing the second driving device and fixing the movable position of the pressing plate.

Preferably, the automatic screw screwing device further comprises a telescopic connecting rod and a pressure equalizing block, the pressure equalizing block is arranged between the pressure plate and a product, and the telescopic connecting rod is fixedly connected with the center of the pressure equalizing block. The pressure of the pressing plate is dispersed by the pressure equalizing block, so that the pressure can be uniformly applied to the product, and all positions of the product can be compacted.

Preferably, the telescopic connecting rod comprises a fixed rod, a sleeve rod and a first spring, one end of the sleeve rod is fixedly connected with the bottom surface of the movable plate, one end of the fixed rod is sleeved in the sleeve rod, the other end of the fixed rod is fixedly connected with the central position of the pressure equalizing block, one end of the first spring is fixedly connected with the sleeve rod, and the other end of the first spring is fixedly connected with the fixed rod. The arrangement of the telescopic connecting rod ensures that the pressure equalizing block cannot crush a product after the screw screwing assembly is pressed down.

Preferably, the automatic screwing device further comprises a second spring, and the second spring is sleeved on the output rod of the first driving device. Set up the second spring, guarantee to twist screw subassembly and rise the back and can not bump with upper portion, it is spacing to have a highest point to twisting screw subassembly.

Preferably, the first driving device is an air cylinder. The air cylinder is used for driving the screwing screw assembly to ascend and descend, a certain compression space is provided, and products are prevented from being crushed due to excessive force.

The utility model has the advantages that:

1. the second driving device drives the pressing plate to compress the product, so that the subsequent screw locking is facilitated, the gap of the locked product is smaller, the screw locking process is smoother, and the service life of the screw screwing assembly is prolonged.

2. A plurality of screw assemblies of twisting move simultaneously, can accomplish a product simultaneously and fasten in the screw of different positions, improve production efficiency, satisfy mass production's demand.

3. Set up the equalizer block, the equalizer block is the pressure dispersion of clamp plate for pressure can be acted on the product uniformly, makes each position of product can both be compressed tightly.

Drawings

Fig. 1 is a schematic structural view of a screw driving machine according to the present invention.

Fig. 2 is a side view of the screw driving machine of the present invention.

Fig. 3 is a schematic structural view of the telescopic link of the present invention.

In the figure, 1, a guide rod, 2, a screw screwing assembly, 21, a moving plate, 22, a screwdriver, 23, a driving motor, 3, a first driving device, 4, a second driving device, 5, a pressing plate, 6, a supporting rod, 7, a supporting plate, 8, a mounting plate, 9, a limiting pressing rod, 10, a telescopic connecting rod, 101, a fixed rod, 102, a sleeve rod, 103, a first spring, 11, a pressure equalizing block and 12, and a second spring are arranged.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b):

an automatic screwing device of the present embodiment, as shown in fig. 1 and 2, includes two guide rods 1, a screwing assembly 2, a first driving device 3, a second driving device 4, a pressing plate 5, a support rod 6 and a support plate 7. The first driving device 3 drives the screwing assembly 2 to move along the guide rod 1, and the second driving device 4 drives the pressing plate 5 to move up and down.

The first and second driving means 3 and 4 may be motors, air cylinders or oil cylinders. In this embodiment, the first driving device 3 and the second driving device 4 are air cylinders, and are driven by the air cylinders, so that a certain compression space is provided, the product is prevented from being crushed due to excessive force, and the whole screwing device is prevented from being damaged due to rigid collision during driving.

The support bar 6 is arranged in parallel with the two guide rods 1, in the embodiment, the support bar 6 is arranged on a perpendicular bisector of a connecting line of the two guide rods 1 to form a stable triangle, and the support bar 7 is supported by the three. The first driving device 3 is fixedly arranged at the top of the supporting plate 7, an output rod of the first driving device penetrates through the supporting plate 7 to be connected with the screwing component 2, and the screwing component 2 is controlled to move up and down along the guide rail 1.

The screwing assembly 2 comprises a moving plate 21, a plurality of screw drivers 22 and a driving motor 23. The driving motors 23 respectively drive the screwdrivers 22 to rotate, and the screwdrivers 22 are distributed on the moving plate 21 and adapted to the positions of screws on the product. Two ends of the moving plate 21 are sleeved on the guide rail 1, and an output rod of the first driving device 3 is connected with the moving plate 21, so that the screwing component 2 moves along the guide rail.

A second spring 12 is fitted over the output shaft of the first drive device 3. Set up second spring 12, guarantee to twist screw subassembly 2 and rise the back and can not bump with backup pad 7 on upper portion, it is spacing to have a highest point to twisting screw subassembly 2.

A mounting plate 8 is fixedly arranged between the two guide rods 1, the second driving device 4 is fixedly arranged on the mounting plate 8, and a pressing plate limiting rod 9 is also fixedly arranged on the mounting plate 8. The output rod of the second driving device 4 is fixedly arranged at one side of the pressing plate 5, the pressing plate limiting rod 9 is arranged below one end of the pressing plate 5, and the other end of the pressing plate 5 is arranged between the product and the moving plate 21.

A mounting plate 9 is provided for fixing the second driving means 4 and for fixing the movable position of the pressure plate 5. The pressing plate 5 is disposed parallel to the moving plate 21.

In this embodiment, the automatic screwing device further includes a telescopic connecting rod 10 and a pressure equalizing block 11, the pressure equalizing block 11 is disposed between the pressing plate 5 and the product, one end of the telescopic connecting rod 10 is fixedly connected to the center of the pressure equalizing block 11, and the other end of the telescopic connecting rod 10 is fixedly connected to the moving plate 21. The pressure equalizing block 11 disperses the pressure of the pressure plate 5 so that the pressure can be uniformly applied to the product, and all positions of the product can be compressed.

As shown in fig. 3, the telescopic link 10 includes a fixed rod 101, a sleeve rod 102 and a first spring 103, one end of the sleeve rod 102 is fixedly connected to the bottom surface of the moving plate 21, one end of the fixed rod 101 is sleeved in the sleeve rod 102, the other end of the fixed rod 101 is fixedly connected to the central position of the equalizing block 11, one end of the first spring 103 is fixedly connected to the sleeve rod 102, and the other end of the first spring 103 is fixedly connected to the fixed rod 101. The arrangement of the telescopic connecting rod 10 ensures that the pressure equalizing block 11 cannot crush a product after the screw screwing component 2 is pressed down.

When the product is transported to the below, the second driving device 4 drives the pressing plate 5 to compress the product, so that the subsequent locking screws are convenient to use, the product gap after locking is smaller, the screw locking process is smoother, and the service life of the screw screwing assembly is prolonged.

When the product is pressed, the first driving device 3 drives the screwing assembly 2 to move down, and when the screwdriver 22 is in contact with the product screw, the driving motor 23 drives the screwdriver 22 to rotate and screw down the product screw. A plurality of screw assemblies 2 of twisting move simultaneously, can accomplish the screw fastening simultaneously of a product in different positions, improve production efficiency, satisfy mass production's demand.

It should be understood that the examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. An automatic screw screwing device comprises a guide rod (1), a screw screwing component (2) and a first driving device (3), wherein the first driving device (3) drives the screw screwing component (2) to move along the guide rod (1); the screwdriver is characterized in that the screwing component (2) comprises a moving plate (21), a plurality of screwdrivers (22) and a driving motor (23), the driving motor (23) respectively drives the screwdrivers (22) to rotate, and the screwdrivers (22) are matched with the positions of screws on a product and are distributed on the moving plate (21); the automatic screw screwing device further comprises a pressing plate (5) and a second driving device (4), the second driving device (4) drives the pressing plate (5) to move up and down, and the pressing plate (5) is arranged above a product.

2. The automatic screwing device of claim 1, further comprising a support rod (6) and a support plate (7), wherein the support rod (6) is arranged in parallel with the guide rod (1), the support rod (6) and one end of the guide rod (1) are fixedly arranged on the bottom surface of the support plate (7), the first driving device (3) is arranged on the top surface of the support plate (7), and an output rod of the first driving device (3) penetrates through the support plate (7) to be connected with the movable plate (21) of the screwing assembly (2).

3. The automatic screwing device of claim 1 or 2, wherein a mounting plate (8) is fixedly arranged between the guide rods (1), the second driving device (4) is fixedly arranged on the mounting plate (8), a pressure plate limiting rod (9) is further fixedly arranged on the mounting plate (8), and the pressure plate limiting rod (9) is arranged below the pressure plate (5).

4. The automatic screwing device of claim 3, further comprising a telescopic connecting rod (10) and a pressure equalizing block (11), wherein the pressure equalizing block (11) is arranged between the pressure plate (5) and the product, and the telescopic connecting rod (10) is fixedly connected with the center of the pressure equalizing block (11).

5. The automatic screwing device of claim 4, wherein the telescopic connecting rod (10) comprises a fixed rod (101), a sleeve rod (102) and a first spring (103), one end of the sleeve rod (102) is fixedly connected with the bottom surface of the moving plate (21), one end of the fixed rod (101) is sleeved in the sleeve rod (102), the other end of the fixed rod (101) is fixedly connected with the central position of the pressure equalizing block (11), one end of the first spring (103) is fixedly connected with the sleeve rod (102), and the other end of the first spring (103) is fixedly connected with the fixed rod (101).

6. The automatic screwing device according to claim 1 or 2, further comprising a second spring (12), the second spring (12) being fitted over the output rod of the first driving means (3).

7. An automatic screwing device according to claim 1, characterised in that said first actuating means (3) is a pneumatic cylinder.