Stacking mechanical arm

Abstract

The utility model relates to a stacking mechanical arm, which belongs to the technical field of mechanical arms and comprises an adjusting box, a mechanical arm body is fixed on the upper surface of the adjusting box, a mounting plate is fixed on the back of the adjusting box, and an adjusting mechanism is arranged between the adjusting box and the mounting plate. The adjusting mechanism comprises a starting assembly, an adjusting assembly is arranged on the starting assembly, and the adjusting mechanism further comprises a guide assembly. According to the stacking mechanical arm, a motor is started to drive a worm and a worm gear to rotate, then a toothed plate, an adjusting plate and a pulley are driven to move through meshing force until the pulley moves into an adjusting box and the lower surface of the adjusting box makes contact with the ground, the contact area between the device and the ground is increased, and friction between the device and the ground is improved; and the device is more stably fixed at the designated position, the situation that the device deviates due to external force when the device works is effectively reduced, normal stacking work of the device is effectively guaranteed, and meanwhile workers can conveniently drive the device to move conveniently and rapidly.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a palletizing mechanical arm. Background Art

[0002] Palletizing refers to stacking items neatly, which can greatly reduce labor and labor intensity. The palletizing grabbing robot arm is a device that automatically stacks bags, cartons or other packaging materials transported by the conveyor into stacks according to the customer's process requirements and transports the stacked materials.

[0003] For example, a Chinese patent (publication number: CN218950463U) discloses a palletizing grabbing robot arm, which includes a moving base plate, a lifting mechanism is fixedly connected to the upper surface of the moving base plate, a moving mechanism is movably connected to one side of the lifting mechanism, a first hydraulic cylinder is fixedly connected to one side of the inner wall of the moving mechanism, a connecting plate is fixedly connected to the output end of the first hydraulic cylinder, a first guide rod is fixedly connected to the inside of the moving mechanism, the moving mechanism is controlled to move upward by the lifting mechanism, and the first hydraulic cylinder is started to drive the objects grabbed by the grabbing plate to move in a plane through the connecting plate, thereby facilitating the stacking of the objects.

[0004] The above technical solution also has the following defects: although the stacking grabbing robot arm controls the moving mechanism to move upward through the lifting mechanism, and starts the first hydraulic cylinder to drive the items grabbed by the grabbing plate to move in a plane through the connecting plate, thereby facilitating the stacking of items, when the device is actually used, since the contact area between the universal wheel and the ground is very small, when it is hit by external force, it may cause the device to move during operation, thereby affecting the stacking efficiency of the device. Based on this, a stacking robot arm is proposed to solve the above problem. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a palletizing robot arm with advantages such as effective fixation, which solves the problem that when the device is actually used, the contact area between the universal wheels and the ground is very small, and when it is hit by external force, the device may move during operation, thereby affecting the palletizing efficiency of the device.

[0006] To achieve the above object, the utility model provides the following technical solution: a palletizing robot arm, comprising an adjustment box, a robot arm body is fixed to the upper surface of the adjustment box, a mounting plate is fixed to the back of the adjustment box, and an adjustment mechanism is provided between the adjustment box and the mounting plate;

[0007] The adjusting mechanism comprises a starting component, on which an adjusting component is arranged, and the adjusting mechanism further comprises a guiding component;

[0008] The starting assembly includes a motor fixed to the back of the mounting plate, and the output shaft of the motor is fixed with a worm gear having one end rotatably connected to the right side wall of the mounting plate through a bearing. The starting assembly also includes two adjusting rods, one end of which is rotatably connected to the rear side of the mounting plate through a bearing and the other end of which passes through the adjusting box, and a worm gear is fixed to the rear end of the outer surface of the adjusting rod.

[0009] Furthermore, the front end of the adjusting rod is rotatably connected to the inner front side wall of the adjusting box via a bearing, and the left and right sides of the outer surface of the worm are fixed with thread strips with opposite spiral directions.

[0010] Furthermore, two rotation holes are provided on the back of the adjustment box, and the two rotation holes are rotationally connected to two adjustment rods respectively.

[0011] Furthermore, the adjustment component includes gears fixed on the front and rear sides of the outer surface of the adjustment rod, and the adjustment component also includes two groups of connecting rods fixed between the upper and lower sides of the inner cavity of the adjustment box. The outer surface of the connecting rod is slidably connected with a tooth plate, and the lower surfaces of the left and right groups of tooth plates are fixed with adjustment plates, and pulleys are fixed around the lower surface of the adjustment plate.

[0012] Furthermore, the gear is meshed with the toothed plate, and the adjustment plate is slidably connected between the outer surfaces of the four connecting rods.

[0013] Furthermore, four adjustment holes are provided on the lower surface of the adjustment box, and the adjustment holes are slidably connected to the pulley.

[0014] Furthermore, the guide assembly includes two guide slots opened on the left and right sides of the inner cavity of the adjustment box, and the inner walls of the guide slots are slidably connected with guide sliders.

[0015] Furthermore, the opposite sides of the two guide slide blocks are respectively fixed to the opposite sides of the two tooth plates, and the cross-sections of the guide groove and the guide slide blocks are both convex.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] The stacking robot arm drives the worm and the worm wheel to rotate by starting the motor, and then drives the tooth plate, the adjustment plate and the pulley to move through the meshing force of the gears until the pulley moves into the adjustment box and the lower surface of the adjustment box contacts the ground, thereby increasing the contact area between the device and the ground and improving the friction between the device and the ground, making the device more stably fixed in the specified position, effectively reducing the situation where the device is offset due to external force when working, effectively ensuring the normal stacking work of the device, and also making it convenient for the staff to drive the device to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view of the adjusting mechanism of the utility model;

[0020] Figure 3 This is a front structural diagram of the adjustment mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the exploded structure of the gear and tooth plate of the utility model.

[0022] In the figure: 1 adjustment box, 2 robot arm body, 3 mounting plate, 4 adjustment mechanism, 401 motor, 402 worm, 403 adjustment rod, 404 worm wheel, 405 rotating hole, 406 gear, 407 connecting rod, 408 tooth plate, 409 adjustment plate, 410 universal wheel, 411 guide slider, 412 guide slide groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 A palletizing robot arm in this embodiment includes an adjusting box 1, a robot arm body 2 is fixed to the upper surface of the adjusting box 1, a mounting plate 3 is fixed to the back of the adjusting box 1, and an adjusting mechanism 4 is provided between the adjusting box 1 and the mounting plate 3.

[0025] It should be noted that the adjustment mechanism 4 can effectively prevent the device from being subjected to external forces during operation, causing the device to deviate, thereby affecting the normal stacking operation of the device.

[0026] See also Figure 1-4In order to ensure that the device can perform the stacking work normally, the adjustment mechanism 4 in this embodiment includes a starting component, on which an adjustment component is provided. The adjustment mechanism 4 also includes a guide component. The starting component includes a motor 401 fixed to the back of the mounting plate 3. The output shaft of the motor 401 is fixed with a worm 402 having one end rotatably connected to the right side wall of the mounting plate 3 through a bearing. Two rotating holes 405 are provided on the back of the adjustment box 1. The two rotating holes 405 are rotatably connected to two adjusting rods 403 respectively. The starting component also includes two adjusting rods 403, one end of which is rotatably connected to the rear side of the mounting plate 3 through a bearing and the other end of which passes through the adjustment box 1. A worm gear 404 is fixed to the rear end of the outer surface of the adjusting rod 403. The worm gear 404 and the adjusting rod 403 are driven to rotate by the motor 401 to provide a power source for the adjustment component.

[0027] Among them, the adjustment component includes a gear 406 fixed on the front and rear sides of the outer surface of the adjustment rod 403, and the adjustment component also includes two groups of connecting rods 407 fixed between the upper and lower sides of the inner cavity of the adjustment box 1. The outer surface of the connecting rod 407 is slidably connected with a toothed plate 408. The gear 406 is meshed with the toothed plate 408, so that the gear 406 can drive the toothed plate 408 to rotate after being rotated by force. The adjustment plate 409 is slidably connected between the outer surfaces of the four connecting rods 407, so that the adjustment plate 409 can move more stably when moving. Four adjustment holes are opened on the lower surface of the adjustment box 1, and the adjustment holes are slidably connected with the universal wheel 410, so that the universal wheel 410 can move in or out of the adjustment box 1. The lower surfaces of the left and right groups of toothed plates 408 are fixed with adjustment plates 409, and the universal wheels 410 are fixed around the lower surface of the adjustment plate 409. The adjustment plate 409 and the universal wheel 410 are driven to move by the toothed plate 408, and then the position of the universal wheel 410 is adjusted.

[0028] At the same time, the guide assembly includes two guide grooves 412 opened on the left and right sides of the inner cavity of the adjustment box 1, and the inner wall of the guide groove 412 is slidably connected with a guide slider 411. The opposite sides of the two guide sliders 411 are respectively fixed to the opposite sides of the two tooth plates 408. The cross-sections of the guide groove 412 and the guide slider 411 are convex, which facilitates the guide slider 411 to always be located inside the guide groove 412 for movement, so that the tooth plate 408 is more guided when moving.

[0029] It should be noted that the starting component provides a power source for the adjusting component, and then the adjusting component cooperates with the guiding component to adjust the position of the universal wheel 410, so that the operator can effectively fix or conveniently move the device according to actual conditions.

[0030] The working principle of the above embodiment is:

[0031] First, the device is moved to the designated position through the universal wheel 410, and then the worm 402 is driven by the starting motor 401, so that the two worm wheels 404 can be driven to rotate in opposite directions, thereby respectively driving the two adjusting rods 403 to rotate in opposite directions, and then the two sets of gears 406 located on the outer surfaces of the two adjusting rods 403 rotate in opposite directions, so that the four tooth plates 408 can be prompted to move in the same direction, and then the adjusting plate 409 and the universal wheel 410 can be driven to move, and at this time the guide slider 411 follows the tooth plate 408 to move along the guide slot 412 until the universal wheel 410 By moving it into the adjusting box 1 through the adjusting hole, the lower surface of the adjusting box 1 can come into contact with the ground, so the contact area between the device and the ground increases, thereby increasing the friction between the device and the ground, allowing the device to be more stably fixed in the specified position, effectively reducing the risk of the device being offset due to external force when working, thereby affecting the normal stacking of the device and reducing its own work efficiency. At the same time, by operating according to the above principle, the universal wheel 410 can be moved to the outside of the adjusting box 1, thereby facilitating the staff to move the device conveniently when the device needs to be moved.

[0032] It can be understood that the control method of the present invention is controlled by a controller, the control circuit of the controller can be implemented by simple programming by technicians in this field, the provision of power is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A palletizing robot arm, comprising an adjustment box (1), characterized in that: A mechanical arm body (2) is fixed on the upper surface of the adjustment box (1), a mounting plate (3) is fixed on the back of the adjustment box (1), and an adjustment mechanism (4) is provided between the adjustment box (1) and the mounting plate (3); The adjusting mechanism (4) comprises a starting component, on which an adjusting component is arranged, and the adjusting mechanism (4) further comprises a guiding component; The starting assembly comprises a motor (401) fixed to the back of the mounting plate (3); a worm (402) having one end rotatably connected to the right side wall of the mounting plate (3) via a bearing is fixed to the output shaft of the motor (401); the starting assembly also comprises two adjusting rods (403) having one end rotatably connected to the rear side of the mounting plate (3) via a bearing and one end extending through the inside of the adjusting box (1); a worm wheel (404) is fixed to the rear end of the outer surface of the adjusting rod (403).

2. A palletizing robot arm according to claim 1, characterized in that: The front end of the adjusting rod (403) is rotatably connected to the inner front side wall of the adjusting box (1) via a bearing, and threads with opposite spiral directions are fixed on both left and right sides of the outer surface of the worm (402).

3. A palletizing robot arm according to claim 1, characterized in that: Two rotation holes (405) are provided on the back of the adjustment box (1), and the two rotation holes (405) are rotationally connected to the two adjustment rods (403) respectively.

4. A palletizing robot arm according to claim 1, characterized in that: The adjustment component comprises gears (406) fixed to the front and rear sides of the outer surface of the adjustment rod (403), and the adjustment component also comprises two groups of connecting rods (407) fixed between the upper and lower sides of the inner cavity of the adjustment box (1), the outer surface of the connecting rod (407) is slidably connected with a tooth plate (408), the lower surfaces of the left and right groups of the tooth plates (408) are fixed with adjustment plates (409), and pulleys (410) are fixed around the lower surface of the adjustment plate (409).

5. A palletizing robot arm according to claim 4, characterized in that: The gear (406) is meshed with the toothed plate (408), and the adjustment plate (409) is slidably connected between the outer surfaces of the four connecting rods (407).

6. A palletizing robot arm according to claim 4, characterized in that: The lower surface of the adjustment box (1) is provided with four adjustment holes, and the adjustment holes are slidably connected to the pulley 4 (10).

7. A palletizing robot arm according to claim 4, characterized in that: The guide assembly comprises two guide slots (412) provided on the left and right sides of the inner cavity of the regulating box (1), and the inner walls of the guide slots (412) are slidably connected with guide sliders (411).

8. A palletizing robot arm according to claim 7, characterized in that: The opposite sides of the two guide slide blocks (411) are respectively fixed to the opposite sides of the two tooth plates (408), and the cross sections of the guide slide groove (412) and the guide slide block (411) are both convex.

Images