Reloading device for automatic screw locking machine

Abstract

The utility model discloses a material changing device for an automatic screw locking machine, which comprises a feeding conveyor belt support and a discharging conveyor belt support which are fixedly arranged on a working table, and a feeding conveyor belt and a discharging conveyor belt are respectively arranged on the feeding conveyor belt support and the discharging conveyor belt support. A die positioning assembly is further installed on the feeding conveying belt support. The device further comprises two lifting air cylinders fixedly installed on the workbench, cylinder rods of the lifting air cylinders are arranged upwards and fixedly connected with a lifting base, the lifting base is fixedly provided with a connecting base through two cross arms, a forward and reverse rotation motor is fixedly installed on the connecting base, and an output shaft of the forward and reverse rotation motor penetrates through the connecting base and is fixedly provided with a rotating arm. The two ends of the rotating arm drive the electric clamping jaws to move through transverse moving assemblies correspondingly. The material changing device for the automatic screw locking machine has the advantages of being capable of improving the material changing efficiency, convenient to use and high in stability.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic screw locking machines, in particular to a material changing device for automatic screw locking machines. Background Art

[0002] The automatic screw locking machine uses various electric and pneumatic components to realize the automatic conveying, tightening, and detection of screws. It simplifies the screw tightening process through the equipment, thereby reducing the number of manual labor and the adverse factors caused by human error. It is a typical non-standard automation equipment.

[0003] The automatic screw locking machine currently in use has two workstations. Manual labor is required to remove the mold base with the product with screws locked and move the mold base with the product to be screwed to the screw locking station. This requires manual replacement and has a low degree of automation. In order to improve efficiency, a material changing robot arm has been introduced, but it also needs to go through the above process. It only replaces manual labor and cannot meet the needs. Summary of the Invention

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by this patent application is how to provide a material changing device for an automatic screw locking machine that can improve material changing efficiency, is easy to use, and has high stability.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A material changing device for an automatic screw locking machine, comprising a loading conveyor belt bracket and a unloading conveyor belt bracket fixedly mounted on a workbench, wherein a loading conveyor belt and an unloading conveyor belt are mounted on the loading conveyor belt bracket and the unloading conveyor belt bracket, respectively, and a mold positioning assembly is also mounted on the loading conveyor belt bracket;

[0007] It also includes two lifting cylinders fixedly mounted on the workbench, the cylinder rods of the lifting cylinders are set upward and fixedly connected to the lifting seat, the lifting seat is fixedly mounted with a connecting seat through two horizontal arms, a forward and reverse motor is fixedly mounted on the connecting seat, the output shaft of the forward and reverse motor passes through the connecting seat and is fixed with a rotating arm, and both ends of the rotating arm respectively drive the electric clamp to move through a horizontal moving component.

[0008] Thus, one side of the workbench's material changer is a screw-locking station equipped with an automatic screw-locking machine. After the automatic screw-locking machine finishes screwing the product on the mold placed at the screw-locking station, the mold base with the product to be screwed is moved by the loading conveyor to the mold positioning assembly for positioning. The lifting cylinder descends, and two electric grippers respectively clamp the mold at the screw-locking station and the mold at the mold positioning assembly, then rotate them 180 degrees. After that, the horizontal movement assembly drives the mold base holding the screwed product to the unloading conveyor. The lifting cylinder descends, causing the mold to descend, and the electric grippers release, achieving synchronous loading and unloading, improving efficiency.

[0009] Specifically, the electric clamp is an existing structure, and its clamping end is used to clamp the mold base.

[0010] Among them, the mold positioning assembly includes a positioning frame, one end of which is open, and the positioning frame is fixedly connected to the feeding conveyor belt bracket through a plurality of connecting rods, and the two sides of the positioning frame are provided with clearance openings corresponding to the action ends of the electric clamps.

[0011] Wherein, a guide column is fixedly installed on the workbench, and the lifting seat is provided with a guide hole that is slidably matched with the guide column.

[0012] Among them, the lateral movement component includes a screw, two supports are fixedly installed on the rotating arm, the screw is rotatably connected to the support through a bearing, a servo motor is fixedly installed on the rotating arm, the output shaft of the servo motor is fixedly connected to one end of the screw, a nut block is threadedly connected to the screw, a slider is fixed to the outside of the nut block, the slider is slidably fitted with the rotating arm, a connecting block is fixed downwardly on the slider, the rotating arm is provided with a sliding hole that slides with the connecting block, and the connecting block is fixedly connected to the electric clamp through the sliding hole.

[0013] Wherein, a rubber pad is fixed to the clamping end of the electric clamp.

[0014] In summary, the material changing device for the automatic screw locking machine has the advantages of being able to improve material changing efficiency, being easy to use, and having high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a material changing device for an automatic screw locking machine.

[0016] Figure 2 for Figure 1 Partial schematic diagram.

[0017] Figure 3 for Figure 2 Schematic diagram of another orientation.

[0018] Figure 4Schematic diagram of the loading conveyor and mold positioning assembly. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings. In the description of the present invention, it should be understood that the directions or positional relationships indicated by directional terms such as "upper, lower" and "top, bottom" are generally based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. Unless otherwise indicated, these directional terms do not indicate or imply that the devices or components referred to must have a specific direction or be constructed and operated in a specific direction, and therefore should not be understood as limiting the scope of protection of the present invention; the directional terms "inside" and "outside" refer to the inside and outside relative to the outline of each component itself.

[0020] like Figure 1-4 As shown, a material changing device for an automatic screw locking machine includes a loading conveyor belt bracket 1 and a unloading conveyor belt bracket 2 fixedly mounted on a workbench (not shown), a loading conveyor belt 3 and an unloading conveyor belt 4 being mounted on the loading conveyor belt bracket and the unloading conveyor belt bracket, respectively, and a mold positioning assembly is also mounted on the loading conveyor belt bracket;

[0021] It also includes two lifting cylinders 5 fixedly mounted on the workbench, the cylinder rods of the lifting cylinders are set upward and fixedly connected to the lifting seat 6, the lifting seat is fixedly mounted with a connecting seat 8 through two cross arms 7, a forward and reverse motor 9 is fixedly mounted on the connecting seat, the output shaft of the forward and reverse motor passes through the connecting seat and is fixed with a rotating arm 10, and both ends of the rotating arm respectively drive the electric clamp 11 to move through a lateral moving component.

[0022] Thus, one side of the material changing device of the workbench is a screw locking station, which is equipped with an automatic screw locking machine. After the automatic screw locking machine finishes screwing the product on the mold placed in the screw locking station, the mold base 12 with the product to be screwed is driven by the loading conveyor to the mold positioning assembly position for positioning. The lifting cylinder descends, and the two electric clamps respectively clamp the mold at the screw locking station and the mold at the mold positioning assembly position, and then drive them to rotate 180 degrees. After that, the horizontal moving assembly drives the mold base holding the screwed product to the position of the unloading conveyor. The lifting cylinder descends, causing the mold to descend, and the electric clamps are released, realizing synchronous loading and unloading, improving efficiency.

[0023] Specifically, the electric clamp is an existing structure, and its clamping end is used to clamp the mold base.

[0024] During implementation, the mold positioning assembly includes a positioning frame 13 with an opening at one end. The positioning frame is fixedly connected to the feeding conveyor frame via a number of connecting rods. Two sides of the positioning frame are provided with clearance openings corresponding to the actuating ends of the electric clamps, facilitating the positioning of the mold.

[0025] During implementation, a guide post 14 is fixedly mounted on the workbench, and the lifting seat is provided with a guide hole that is slidably matched with the guide post, so as to guide the movement of the lifting seat.

[0026] During implementation, the lateral movement assembly includes a screw 15, two supports fixedly mounted on the pivot arm, the screw rotatably connected to the supports via bearings, a servo motor 16 fixedly mounted on the pivot arm, the servo motor's output shaft fixedly connected to one end of the screw, a nut block threadedly connected to the screw, a slider 17 fixed to the outer side of the nut block, the slider slidingly engaging the pivot arm, a connecting block fixed downwardly to the slider, a sliding hole formed in the pivot arm that slidably engages the connecting block, the connecting block passing through the sliding hole and fixedly connected to the electric clamp. The servo motor drives the screw to rotate, which in turn drives the connecting block and the electric clamp to move via the nut block and slider.

[0027] During implementation, a rubber pad is fixed to the clamping end of the electric clamp to better clamp the template.

[0028] Specifically, a PLC controller is included to control the operation of the electrical components. When the forward and reverse motor is in operation, it rotates 180 degrees forward and 180 degrees reverse, which can better prevent the pipelines and wires from being entangled.

[0029] Finally, it should be noted that those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A material changing device for an automatic screw locking machine, characterized in that: It comprises a loading conveyor belt bracket (1) and a unloading conveyor belt bracket (2) fixedly mounted on a workbench, wherein a loading conveyor belt (3) and an unloading conveyor belt (4) are mounted on the loading conveyor belt bracket and the unloading conveyor belt bracket respectively, and a mold positioning assembly is also mounted on the loading conveyor belt bracket; The invention also includes two lifting cylinders (5) fixedly mounted on the workbench, wherein the cylinder rods of the lifting cylinders are arranged upward and fixedly connected to the lifting seat (6), the lifting seat is fixedly mounted with a connecting seat (8) via two transverse arms (7), a forward and reverse motor (9) is fixedly mounted on the connecting seat, the output shaft of the forward and reverse motor passes through the connecting seat and is fixed with a rotating arm (10), and both ends of the rotating arm respectively drive the electric clamp (11) to move via a transverse moving assembly.

2. The material changing device for an automatic screw locking machine according to claim 1, characterized in that: The mold positioning assembly comprises a positioning frame (13), one end of which is open and fixedly connected to a feeding conveyor belt support via a plurality of connecting rods, and two sides of the positioning frame are provided with clearance openings corresponding to the action ends of the electric clamps.

3. The material changing device for an automatic screw locking machine according to claim 2, characterized in that: A guide post (14) is fixedly mounted on the workbench, and a guide hole is provided on the lifting seat for sliding engagement with the guide post.

4. The material changing device for an automatic screw locking machine according to claim 1, characterized in that: The lateral movement assembly includes a screw (15), two supports are fixedly installed on the rotating arm, the screw is rotatably connected to the supports through bearings, a servo motor (16) is fixedly installed on the rotating arm, the output shaft of the servo motor is fixedly connected to one end of the screw, a nut block is threadedly connected to the screw, a slider (17) is fixed on the outside of the nut block, the slider is slidably fitted with the rotating arm, a connecting block is fixed downwardly on the slider, the rotating arm is provided with a sliding hole that slidably fits with the connecting block, and the connecting block is fixedly connected to the electric clamp through the sliding hole.

5. The material changing device for an automatic screw locking machine according to claim 1, characterized in that: A rubber pad is fixed to the clamping end of the electric clamp.

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