CN211003349U - Novel automatic screw rod material loading machine - Google Patents

Abstract

The utility model provides a novel automatic screw feeding machine, which comprises a mobile lifting device and a screw conveying device. The mobile lifting device automatically transmits the screw to the conveying belt of the screw conveying device, and the screw passes through the feeding circle under the transmission of the conveying belt. The disk structure is automatically transferred in sequence to the next production process. The utility model is provided with a PLC controller, which realizes the automatic processing of the whole device, reduces the labor intensity of workers, improves the work efficiency, and can be widely used in the technical field of conveying equipment.

Description

A new type of automatic screw feeder

technical field

The utility model relates to the technical field of conveying equipment, in particular to a novel automatic screw feeder.

Background technique

The screw is a cylinder with a spiral groove cut on the outer surface or a conical structure with a tapered spiral groove cut, and it is often used in conjunction with a nut in the production and application process. In the prior art, the transmission of the screw, the feeding of the material and the screwing of the nut onto the screw are often performed manually, which increases the production labor intensity of the workers, and the work efficiency is not high. The utility model is devoted to solving the problems of automatic transmission and feeding of the screw, and prepares for the subsequent nut screwing process.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a new type of automatic screw feeder in order to solve the deficiencies of the above technologies.

To this end, the utility model provides a novel automatic screw feeding machine, which comprises a frame, a working table is arranged on the frame, a screw conveying device is arranged on the right end of the working table, and a first supporting frame is arranged on the screw conveying device, and a second The lower end of a support frame is fixedly connected with the work surface, the upper end of the first support frame is fixedly connected with a transport support plate, both ends of the transport support plate are fixedly connected with driven rollers, and the first support frame is also fixedly connected with an active roller. The roller and the first motor, the output shaft of the first motor is connected with the driving roller, the outer circumferences of the driving roller and the driven roller are connected end to end with a conveyor belt; the right end of the transport support plate is also provided with a fixed frame and a feeding circle Disc structure, the fixed frame is fixedly connected with the transport support plate, the two ends of the fixed frame are rotatably connected with the two ends of the feeding disc structure, the feeding disc structure includes a rotating shaft and two feeding discs, and the feeding discs are respectively It is arranged at both ends of the rotating shaft and is fixedly connected with the rotating shaft; the feeding disc is equally divided with four half-open screw holes along its circumference, and the right end of the transport support plate is connected with a feeding wheel guide piece, which is a feeding wheel guide piece. The end face of the feeder is at the same level as the working face of the conveyor belt, and the screw storage hole is in contact with the end face of the guide plate of the feeding wheel; an optical fiber sensor is also arranged above the screw storage hole, and one end of the rotating shaft is also connected with a second motor, the first The motor, the second motor and the optical fiber sensor are all connected with the PLC controller.

Preferably, the left end of the working table is also provided with a mobile lifting device, the mobile lifting device includes a mobile upper table, a mobile lower table and a scissor lift structure, the upper end of the scissor lift structure is connected with the mobile upper table, and the lower end of the scissor lift structure It is connected with the movable lower stage, and the movable lower stage is also fixedly connected with a second cylinder, and the piston rod of the second cylinder is fixedly connected with the movable upper stage; the left end of the working table is provided with a fixed plate, and the two sides of the working table are provided with slide rails, which can move the lower stage. The right end of the cylinder is fixedly connected with a first cylinder, and the piston rod of the first cylinder is connected with the fixed plate.

Preferably, sliding holes are formed on the end faces of the moving upper stage and the moving lower stage, the left end of the transport support plate is also fixedly connected with a second support frame, and the second support frame is installed in the sliding hole; the upper end of the moving upper stage is also connected with a bracket, the bracket The connection is provided with a screw support plate.

Preferably, a limit baffle is also connected to the bracket.

Preferably, the first support frame is also fixedly connected with a tensioning roller, and the tensioning roller is arranged above the driving roller.

Preferably, the fixing frame is also connected with a gear lever.

The utility model provides a novel automatic screw feeder, which has the following beneficial effects:

The utility model is provided with a moving lifting device and a screw conveying device, and the moving lifting device automatically transmits the screw to the conveyor belt of the screw conveying device. The screw conveying device is also provided with a feeding disc structure. The feeding disc is equally divided with four semi-open screw storage holes along its circumference. The right end of the conveyor belt support plate is also connected with a feeding wheel guide plate. Under the transmission of the conveyor belt, the screw enters the screw storage hole through the guide plate of the feeding wheel, and is automatically transferred to the next process in sequence under the rotation of the feeding disc. The utility model is also provided with an optical fiber sensor, a first motor and a second motor, and the first motor, the second motor and the optical fiber sensor are all connected with the PLC controller, so as to realize the automatic processing of the whole device, reduce the labor intensity of workers, and improve the work efficiency.

Description of drawings

Fig. 1 is the structural representation of the front view of the present utility model;

Fig. 2 is the structural representation of the right side view of the present utility model;

3 is a schematic structural diagram of a perspective view of the present invention.

Labels in the figure: 1. Frame, 2. Working table, 3. First support frame, 4. Transport support plate, 5. Driven roller, 6. Drive roller, 7. Tension roller, 8. First motor, 9. Conveyor belt, 10. Fixing frame, 11. Rotating shaft, 12. Feeding disc, 13. Screw hole, 14. Feeding wheel guide plate, 15. Optical fiber sensor, 16. Second motor, 17. PLC control device, 18. Move on stage, 19. Move down stage, 20. Scissor lift structure, 21. Second cylinder, 22. Fixed plate, 23. Slide rail, 24. First cylinder, 25. Slider, 26. Slider Hole, 27. Second support frame, 28. Bracket, 29. Screw support plate, 30. Limit baffle, 31. Stop rod, 32. Feeding disc structure.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments to help understand the content of the present utility model. The methods used in the present invention are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercial products unless otherwise specified.

As shown in FIG. 1-FIG. 3, the utility model provides a novel automatic screw feeder, which includes a frame 1, a work table 2 is arranged on the frame 1, and a screw conveyor is provided on the right end of the work table 2, and the screw The conveying device is provided with a first support frame 3, the lower end of the first support frame 3 is fixedly connected with the work surface 2, the upper end of the first support frame 3 is fixedly connected with a horizontally arranged transport support plate 4, and both ends of the transport support plate 4 are fixedly connected Both are fixedly connected with driven rollers 5 . The first support frame 3 is also fixedly connected with a driving roller 6, a tensioning roller 7 and a first motor 8, the tensioning roller 7 is arranged above the driving roller 6, and the output shaft of the first motor 8 is connected with the driving roller 6; The outer circumferences of the driving roller 6 , the driven roller 5 , and the tension roller 7 are provided with a conveyor belt 9 in end-to-end connection, and the conveyor belt 9 is slidably connected with the transportation support plate 4 . The arrangement of the tension roller 7 enables the conveying belt 9 to be wound around the outer periphery of the conveying support plate 4 and does not interfere with other components of the present invention. When the first motor 8 is working, the output shaft of the first motor 8 drives the driving roller 6 to rotate, and the driving roller 6 drives the driven roller 5, the tension roller 7 and the conveyor belt 9 to rotate to achieve the purpose of conveying the screw. The right end of the transport support plate 4 is also provided with a fixing frame 10 and a feeding disc structure 32, the fixing frame 10 is fixedly connected with the transport supporting plate 4, and both ends of the fixing frame 10 are rotatably connected with both ends of the feeding disc structure 32 . The feeding disc structure 32 includes a rotating shaft 11 and two feeding discs 12 . The feeding discs 12 are respectively arranged at both ends of the rotating shaft 11 and are fixedly connected with the rotating shaft 11 , and the central axis of the feeding disc 12 coincides with the rotating shaft 11 . . The feeding disc 12 is equally provided with four half-open screw storage holes 13 along its circumference, and the screw storage holes 13 of the feeding disc 12 at both ends of the rotating shaft 11 are arranged opposite to accommodate screws. The right end of the transport support plate 4 is connected with a feeding wheel guide piece 14. The upper end surface of the feeding wheel guide piece 14 is at the same level as the working surface of the conveyor belt 9. The screw hole 13 on the left side of the feeding disc 12 is connected to the The end surfaces of the feeder guide pieces 14 are in contact with each other. An optical fiber sensor 15 is also provided above the screw storage hole 13, and the optical fiber sensor 15 is fixedly connected with the feeding disc 12. One end of the rotating shaft 11 is also connected with a second motor 16, a first motor 8, a second motor 16, and an optical fiber sensor. 15 are connected to the PLC controller 17 .

When the screw is conveyed along with the conveyor belt 9 to the rightmost end of the conveyor belt 9, it continues to move forward through the guide plate 14 of the feeder wheel and enters the screw storage hole 13 due to the action of inertia. The optical fiber sensor 15 above the screw storage hole 13 receives the signal that the screw enters the screw storage hole 13, and transmits the sensing signal to the PLC controller 17 through the control circuit. The first motor 8 sends an instruction to stop the first motor 8 and the conveyor belt 9 from rotating. At the same time, the PLC controller 17 sends an instruction to the second motor 16 through the control circuit according to the preset programming instruction to make it start to work, and the feeding circle The disk 12 starts to rotate. When the feeding disc 12 rotates 90 degrees, the PLC controller 17 sends an instruction to the second motor 16 again through the control circuit according to the programming instruction preset in the production takt time of the process, so that it stops working, and the feeding disc 12 stops rotating. At the same time, the PLC controller 17 sends an instruction to the first motor 8 through the control circuit according to the preset programming instruction to make it start working again and enter the next cycle. When the screw rotates to the right end of the feeding disc 12, the automatic transmission process of the screw ends, and the screw enters the next production process.

The left end of the work table 2 is also provided with a mobile lifting device, and the mobile lifting device is used to transport the screw to the screw conveying device. The moving lifting device includes a moving upper stage 18 , a moving lower stage 19 and a scissor lift structure 20 , and the moving upper stage 18 is arranged below the transport support plate 4 . The upper end of the scissor lift structure 20 is connected with the lower end of the moving upper stage 18, the lower end of the scissor lift structure 20 is connected with the upper end of the moving lower stage 19, and the moving lower stage 19 is also fixedly connected with a second cylinder 21, the second cylinder The piston rod of 21 is fixedly connected with the movable upper stage 18. Under the expansion and contraction of the piston rod of the second air cylinder 21, the movable upper stage 18 moves up and down; 23. The right end of the moving lower stage 19 is fixedly connected with a first air cylinder 24, and the piston rod of the first air cylinder 24 is connected with the fixed plate 22. Under the expansion and contraction of the piston rod of the first air cylinder 24, the moving lower stage 19 passes through the slider 25 and the slider. The rail 23 slides to connect the left and right movement.

Sliding holes 26 are formed on the end surfaces of the upper moving table 18 and the lower moving table 19 , and the extending direction of the sliding holes 26 is consistent with the extending direction of the sliding rail 23 . The left end of the transport support plate 4 is also fixedly connected with a second support frame 27. The second support frame 27 is arranged in the sliding hole 26 and is fixedly connected with the work table 2, and can move left and right in the sliding hole 26 to support the transportation. Support plate 4. The upper end of the moving upper stage 18 is also connected with a bracket 28, and the bracket 28 is connected with a screw support plate 29, and the screw support plate 29 is vertically arranged to support and place the screw. A limit baffle 30 is also connected to the bracket 28 to prevent the screw from falling off.

When the screw is placed on the screw support plate 29, the first air cylinder 24 is activated to extend the telescopic rod of the first air cylinder 24, the moving lower stage 19 moves to the right along the slide rail 23, and the moving upper stage 18 moves to the right together with the moving lower stage 19. sports. When the moving upper stage 18 moves right below the conveyor belt 9, the first air cylinder 24 is closed, the second air cylinder 21 is activated, the telescopic rod of the second air cylinder 21 is retracted, and the moving upper stage 18 is lowered. When under the belt 9, the screw detaches from the screw support plate 29 and falls on the conveying belt 9, and the conveying process starts.

The fixing frame 10 is also connected with a blocking rod 31, which is vertically arranged and located on the right side of the leftmost screw hole 13 of the feeding disc 12 to prevent the rightward impulse of the screw from damaging the feeding disc structure.

The working principle of the utility model is:

Place the screw on the screw support plate 29, start the first air cylinder 24, move the lifting device to the right, when the moving upper stage 18 runs to just below the transport support plate 4, close the first air cylinder 24, start the second air cylinder 21, make The screw falls on the conveyor belt 9, and the first motor 8 is started to move the screw to the right. When the screw enters the screw storage hole 13, the first motor 8 stops working, the second motor 16 starts, and the feeding disc 12 rotates clockwise. , when the feeding disc 12 rotates by 90 degrees, the second motor 16 stops working, the first motor 8 restarts, and the screw is continuously circulated and automatically transferred to the next process in sequence.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inside", The orientation or positional relationship indicated by "outer", "back", "middle", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense unless otherwise expressly specified and limited. For example, it may be a fixed connection or a detachable connection. Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Only the above-mentioned are only specific embodiments of the present invention, and should not limit the scope of implementation of the present invention, so the replacement of its equivalent components, or the equivalent changes and modifications made according to the scope of the patent protection of the present invention , should still belong to the scope covered by the claims of the present utility model.

Claims (6)

1. A novel automatic screw feeder is characterized in that, it comprises a frame, and the frame is provided with a working table, and the right end of the working table is provided with a screw conveyor, and the screw conveyor is provided with a No. A support frame, the lower end of the first support frame is fixedly connected with the work surface, the upper end of the first support frame is fixedly connected with a transport support plate, and both ends of the transport support plate are fixedly connected with A driving roller, the first support frame is also fixedly connected with a driving roller and a first motor, the output shaft of the first motor is connected with the driving roller, and the outer circumferences of the driving roller and the driven roller are A transport belt is arranged end to end; the right end of the transport support plate is also provided with a fixed frame and a feeding disc structure, the fixed frame is fixedly connected with the transport support plate, and both ends of the fixed frame are connected to the Both ends of the feeding disc structure are rotatably connected, the feeding disc structure includes a rotating shaft and two feeding discs, the feeding discs are respectively arranged at both ends of the rotating shaft and are connected with the rotating shaft Fixed connection; the feeding disc is equally divided with four semi-open screw storage holes along its circumference, the right end of the transport support plate is connected with a feeding wheel guide piece, and the end surface of the feeding wheel guide piece is connected to the The working surface of the conveyor belt is on the same horizontal plane, and the screw placement hole is in contact with the end face of the guide plate of the feeding wheel; an optical fiber sensor is also provided above the screw placement hole, and one end of the rotating shaft is also connected with a device. There is a second motor, and the first motor, the second motor, and the optical fiber sensor are all connected with the PLC controller. 2. A new type of automatic screw feeder according to claim 1, characterized in that, the left end of the working table is also provided with a mobile lifting device, and the mobile lifting device includes a mobile upper stage, a movable lower stage and a scissor type Lifting structure, the upper end of the scissor lift structure is connected with the moving upper stage, the lower end of the scissor lift structure is connected with the moving lower stage, and the moving lower stage is also fixedly connected with a second air cylinder, The piston rod of the second cylinder is fixedly connected with the moving upper stage; the left end of the working table is provided with a fixing plate, the two sides of the working table are provided with sliding rails, and the right end of the moving lower stage is fixedly connected with a first A cylinder, the piston rod of the first cylinder is connected with the fixed plate, and under the expansion and contraction of the piston rod of the first cylinder, the moving lower stage is slidably connected to the slide rail through a slider. 3. A new type of automatic screw feeder according to claim 2, characterized in that the end faces of the moving upper stage and the moving lower stage are provided with sliding holes, and the left end of the transport support plate is also fixedly connected with a A second support frame, the second support frame is installed in the sliding hole; the upper end of the mobile upper stage is also connected with a support, and the support is connected with a screw support plate. 4. A new type of automatic screw feeder according to claim 3, characterized in that a limit baffle plate is also connected to the support. 5. A new type of automatic screw feeder according to claim 1, wherein the first support frame is also fixedly connected with a tensioning roller, and the tensioning roller is arranged above the driving roller . 6 . The novel automatic screw feeder according to claim 1 , wherein the fixing frame is further connected with a stop rod. 7 .

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