Heavy-load mechanical arm for packaging box

Abstract

The utility model is suitable for the field of mechanical arms, and provides a heavy-load mechanical arm for a packaging box. The mounting frame comprises a mounting seat and a connecting beam; the clamping assembly is fixedly installed at one end of the connecting beam and used for clamping and carrying the two sides of the packaging box; and the bearing assembly is mounted on the mounting frame and used for bearing the bottom of the packaging box. The clamping assembly and the bearing assembly are integrated together, so that the clamping assembly can automatically extend out of the supporting plate from the bottom for bearing while clamping the two sides of the packaging box, double protection is achieved, carrying is more stable and reliable, and the clamping assembly is more stable and reliable through the meshing transmission relation of sector teeth, gears and racks. The linear motion of the movable plate is converted into the rotary motion of the supporting plate, then automatic unfolding and folding of the supporting plate are achieved, the space utilization rate is high, the screw-thread fit of the screw and the movable plate has good self-locking performance, even if equipment is powered off, the supporting plate cannot be accidentally retracted under the gravity of objects, and safety is extremely high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mechanical arm especially relates to a heavy load mechanical arm for packaging box. BACKGROUND

[0002] Heavy load mechanical arm is a large industrial robot specially used for carrying heavy materials, and is widely used in heavy industry and logistics industry. Heavy load mechanical arm usually refers to the robot with load capacity above 100 kg, and even up to several tons. Unlike light robot used for assembly, welding and other precision work, the core task of heavy load mechanical arm is to safely and efficiently move heavy workpieces.

[0003] Traditional mechanical arm usually only has single clamping function or single lifting function. For heavy or smooth-surface packaging box, only relying on the clamping force of the side is easy to slip and fall due to vibration or insufficient clamping force, thereby causing product damage and production accidents. At the same time, for the carrying task which needs to be completed by multiple actions, complex replacement process may be needed, which is low in efficiency and poor in adaptability. While simply adding a fixed chassis may make the mechanical arm too heavy and poor in flexibility, and is easy to interfere with goods in narrow space. SUMMARY

[0004] The purpose of the embodiment of the utility model is to provide a heavy load mechanical arm for packaging box, which aims at solving the problems proposed in the background art.

[0005] The embodiment of the utility model is realized as follows: a heavy load mechanical arm for packaging box, comprising:

[0006] Joint structure;

[0007] Mounting frame, comprising mounting seat, the mounting seat is rotatably installed at the end of the joint structure, and the top end of the mounting seat is fixedly installed with connecting beam;

[0008] Clamping assembly, fixedly installed at one end of the connecting beam, used for clamping and carrying the two sides of the packaging box;

[0009] Supporting assembly, installed on the mounting frame, used for supporting the bottom of the packaging box, comprising:

[0010] Driving motor two, fixedly installed on the connecting beam;

[0011] Screw rod, rotatably installed in the mounting seat, and the top end of the screw rod is connected with the power output end of the driving motor two;

[0012] The movable plate is installed on the screw rod through screwing, one end of the movable plate is rotatably installed with a supporting plate through a hinge, the supporting plate and the movable plate can be adjusted in an angle range of 90-180 degrees, two ends of the hinge are fixedly provided with sector teeth with the hinge shaft as the center shaft, the side of the movable plate is rotatably installed with a gear engaged with the sector teeth, and the side of the mounting seat is fixedly installed with a rack engaged with the gear.

[0013] As a further scheme of the utility model, the clamping assembly comprises:

[0014] The adjusting seat is fixedly installed with a transmission box at one end, and a driving motor one is fixedly installed on the side of the transmission box.

[0015] The adjusting rod is rotatably installed in the adjusting seat, one end of the adjusting rod is movably penetrated through the transmission box and extends into the transmission box and is drivingly connected with the driving motor one through a transmission unit, and two threads with opposite directions are fixedly formed on the side of the adjusting rod, and two clamping plates are symmetrically installed on the threads through screwing.

[0016] As a further scheme of the utility model, the transmission unit comprises a worm and a worm wheel, the worm is rotatably installed in the transmission box, one end of the worm is connected with the power output end of the driving motor one, and the worm wheel is fixedly installed on the adjusting rod and engaged with the worm.

[0017] As a further scheme of the utility model, the side of the clamping plate adjacent to the packaging box is further fixedly installed with a protective pad, and the protective pad is made of elastic material.

[0018] As a further scheme of the utility model, two clamping blocks are symmetrically arranged on the clamping plate, and two guide grooves matched with the clamping blocks are fixedly formed on the inside of the adjusting seat.

[0019] As a further scheme of the utility model, two clamping blocks are symmetrically arranged on the clamping plate, and two guide grooves matched with the clamping blocks are fixedly formed on the inside of the adjusting seat.

[0020] The utility model discloses the beneficial effect lies in:

[0021] The utility model discloses a heavy load mechanical arm for packaging box, integrates clamping assembly and supporting assembly together, makes clamping assembly be able to automatically extend supporting plate from bottom and support while clamping two sides of packaging box, realizes double protection, carries more stably and reliably, through the meshing transmission relation of sector tooth, gear and rack, converts the linear motion of movable plate into the rotary motion of supporting plate, and then realizes the automatic unfolding and folding of supporting plate, and the space utilization is high, the screw thread cooperation of screw rod and movable plate has good self-locking nature, even if the equipment is powered off, supporting plate also will not be unexpectedly withdrawn under the gravity of article, and the safety is extremely high. ACCURACY OF DRAWINGS

[0022] Figure 1 A three-dimensional structural diagram of a heavy-duty robotic arm for packaging boxes provided in an embodiment of this utility model;

[0023] Figure 2 A partial structural diagram of a heavy-duty robotic arm for packaging boxes provided for an embodiment of this utility model;

[0024] Figure 3 This is a partial cross-sectional schematic diagram of a heavy-duty robotic arm gripping assembly for packaging boxes, provided as an embodiment of the present invention.

[0025] Figure 4 A partial cross-sectional schematic diagram of a heavy-duty robotic arm support assembly for a packaging box provided in an embodiment of this utility model;

[0026] Figure 5 This is a folding diagram of a heavy-duty robotic arm support plate for a packaging box, provided as an embodiment of the present utility model.

[0027] In the attached diagram: 1. Joint structure; 2. Mounting bracket; 21. Mounting seat; 211. Guide bar; 22. Connecting beam; 3. Clamping assembly; 31. Adjusting seat; 32. Transmission box; 33. Drive motor one; 34. Transmission unit; 341. Worm gear; 342. Worm wheel; 35. Adjusting rod; 36. Clamping plate; 361. Locking block; 37. Protective pad; 4. Supporting assembly; 41. Drive motor two; 42. Screw; 43. Movable plate; 431. Slot; 44. Support plate; 441. Sector tooth; 45. Gear; 46. Rack; 5. Encapsulation box. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0030] Please see Figures 1 to 5 This utility model embodiment provides a heavy-duty robotic arm for packaging boxes, comprising:

[0031] Joint structure 1;

[0032] Mounting bracket 2 includes mounting base 21, which is rotatably mounted at the end of joint structure 1, and a connecting beam 22 is fixedly mounted on its top end;

[0033] The clamping component 3 is fixedly installed at one end of the connecting beam 22 and is used to clamp and transport the packaging box 5 from both sides.

[0034] Support component 4, mounted on mounting bracket 2, is used to support the bottom of package 5, and includes:

[0035] Drive motor 241 is fixedly mounted on connecting beam 22;

[0036] The screw 42 is rotatably mounted in the mounting base 21, and its top end is connected to the power output end of the drive motor 41.

[0037] The movable plate 43 is threadedly mounted on the screw 42. One end of the movable plate 43 is hinged and rotatably mounted with a support plate 44. The support plate 44 and the movable plate 43 can be adjusted in an angle range of 90-180°. At both ends of the hinge of the support plate 44, sector teeth 441 are fixedly provided with the hinge axis as the central axis. The movable plate 43 is rotatably mounted with a gear 45 that meshes with the sector teeth 441. The mounting base 21 is fixedly mounted with a rack 46 that meshes with the gear 45.

[0038] In practical application, the joint structure 1 moves to drive the clamping assembly 3 to clamp the packaging box 5. Then, the second drive motor 41 is started, which drives the screw 42 to rotate. Under the threaded engagement between the screw 42 and the movable plate 43, the movable plate 43 is driven to rise along the axis of the screw 42. The meshing of the rack 46 and the gear 45 drives the gear 45 to rotate. The rotating gear 45, under the action of the meshing sector teeth 441, drives the support plate 44 to unfold. As the movable plate 43 rises, it supports the bottom of the packaging box 5. After clamping, the second drive motor 41 is reversed, and the movable plate 43 descends under the action of the screw 42. Then, through the meshing relationship between the rack 46, the gear 45 and the sector teeth 441, the support plate 44 is folded and stored.

[0039] This embodiment integrates the clamping component 3 and the supporting component 4 together, so that while clamping the two sides of the packaging box 5, the clamping component 3 can automatically extend the tray 44 from the bottom for support, achieving double protection and making the handling more stable and reliable. Through the meshing transmission relationship of the sector teeth 441, gear 45 and rack 46, the linear motion of the movable plate 43 is converted into the rotational motion of the tray 44, thereby realizing the automatic unfolding and folding of the tray 44. The space utilization rate is high. The threaded engagement between the screw 42 and the movable plate 43 has good self-locking properties. Even if the equipment is powered off, the tray 44 will not be accidentally retracted under the weight of the object, and the safety is extremely high.

[0040] Please see Figure 2 and Figure 3 In a preferred embodiment of this utility model, the clamping component 3 includes:

[0041] An adjusting seat 31 has a transmission box 32 fixedly installed at one end, and a drive motor 33 is fixedly installed on the side of the transmission box 32.

[0042] The adjusting rod 35 is rotatably installed in the adjusting seat 31. One end of the rod passes through the transmission box 32 and extends into the transmission box 32. It is connected to the drive motor 33 via the transmission unit 34. Two threads with opposite directions are fixedly opened on its side, and two clamping plates 36 are symmetrically installed through threaded engagement.

[0043] In practical application, the drive motor 33 drives the adjusting rod 35 to rotate under the action of the transmission unit 34. Then, the two oppositely oriented threads on its side drive the clamping plate 36, which is threaded with the adjusting rod 35, to move in opposite directions, thereby achieving the clamping and loosening of the packaging box 5.

[0044] Please see Figure 3 In another preferred embodiment of the present invention, the transmission unit 34 includes a worm 341 and a worm wheel 342. The worm 341 is rotatably mounted in the transmission box 32, and one end of it is connected to the power output end of the drive motor 33. The worm wheel 342 is fixedly mounted on the adjusting rod 35 and meshes with the worm 341.

[0045] In practical application, this embodiment uses a worm gear 341 and a worm wheel 342 to form a worm gear transmission. Driven by the drive motor 33, the rotating worm gear 341 drives the worm wheel 342 to rotate, which in turn drives the adjusting rod 35 to rotate. Based on the self-locking property of the worm gear structure itself, even if the equipment is powered off, the clamping plate 36 can remain in the same position and, together with the set support plate 44, limit the position of the packaging box 5 to prevent it from falling, further improving safety.

[0046] Please see Figure 2 and Figure 3 In another preferred embodiment of this utility model, a protective pad 37 is fixedly installed on the side of the clamping plate 36 adjacent to the packaging box 5, and the protective pad 37 is made of elastic material.

[0047] In practical applications, the protective pad 37, based on its elastic material, increases the friction between the clamping plate 36 and the side of the packaging box 5 during compression, and also plays a certain role in buffering and protection, effectively preventing damage to the surface of the packaging box 5.

[0048] Please see Figure 3 As another preferred embodiment of the present invention, two locking blocks 361 are symmetrically arranged on the clamping plate 36, and two guide grooves 311 adapted to the locking blocks 361 are fixedly opened on the inner side of the adjusting seat 31 at the position corresponding to the locking blocks 361.

[0049] In practical applications, this embodiment uses the locking block 361 in conjunction with the guide groove 311 to limit the movement of the clamping plate 36, improve the stability of the movement of the clamping plate 36, and thus ensure the stability of the clamping plate 36 when clamping, avoiding the clamping plate 36 shaking and affecting the clamping accuracy.

[0050] Please see Figure 4 In another preferred embodiment of this utility model, the movable plate 43 is provided with symmetrical slots 431 on both sides, and two guide strips 211 adapted to the slots 431 are fixedly provided on the inner side of the mounting base 21 at the position corresponding to the slots 431.

[0051] In practical applications, this embodiment uses the slot 431 and guide bar 211 to limit the movement of the movable plate 43, thereby improving the stability of the movement of the movable plate 43, and then uses the support plate 44 and clamping plate 36 to achieve stable clamping.

[0052] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0053] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0054] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0055] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A heavy-duty robotic arm for packaging boxes, characterized in that: include: Joint structure (1); Mounting bracket (2) includes mounting base (21), which is rotatably mounted on the end of joint structure (1), and a connecting beam (22) is fixedly mounted on its top. The clamping assembly (3) is fixedly installed at one end of the connecting beam (22) and is used to clamp and transport the packaging box (5) from both sides. Support assembly (4), mounted on mounting bracket (2), for supporting the bottom of package box (5), includes: Drive motor 2 (41) is fixedly installed on the connecting beam (22); The screw (42) is rotatably installed in the mounting base (21), and its top end is connected to the power output end of the second drive motor (41); The movable plate (43) is threadedly mounted on the screw (42), and a support plate (44) is rotatably mounted on one end of the plate via a hinge. The support plate (44) and the movable plate (43) can be adjusted in an angle range of 90-180°. At both ends of the hinge of the support plate (44), a sector tooth (441) is fixedly provided with the hinge shaft as the central axis. A gear (45) that meshes with the sector tooth (441) is rotatably mounted on the side of the movable plate (43). A rack (46) that meshes with the gear (45) is fixedly mounted on the side of the mounting base (21).

2. The heavy-duty robotic arm for packaging boxes according to claim 1, characterized in that: The clamping component (3) includes: An adjustment seat (31) has a transmission box (32) fixedly installed at one end, and a drive motor (33) is fixedly installed on the side of the transmission box (32). The adjusting rod (35) is rotatably installed in the adjusting seat (31). One end of the rod passes through the transmission box (32) and extends into the transmission box (32). It is connected to the drive motor (33) via the transmission unit (34). Two threads with opposite directions are fixedly opened on its side, and two clamps (36) are symmetrically installed through the threaded engagement.

3. The heavy-duty robotic arm for packaging boxes according to claim 2, characterized in that: The transmission unit (34) includes a worm (341) and a worm wheel (342). The worm (341) is rotatably installed in the transmission box (32), and one end of it is connected to the power output end of the drive motor (33). The worm wheel (342) is fixedly installed on the adjusting rod (35) and meshes with the worm (341).

4. The heavy-duty robotic arm for packaging boxes according to claim 2, characterized in that: A protective pad (37) is also fixedly installed on the side of the clamp (36) adjacent to the packaging box (5), and the protective pad (37) is made of elastic material.

5. The heavy-duty robotic arm for packaging boxes according to claim 4, characterized in that: Two locking blocks (361) are symmetrically arranged on the clamping plate (36), and two guide grooves (311) adapted to the locking blocks (361) are fixedly opened on the inner side of the adjusting seat (31) at the position corresponding to the locking blocks (361).

6. The heavy-duty robotic arm for packaging boxes according to claim 1, characterized in that: The movable plate (43) has symmetrical slots (431) on both sides, and two guide strips (211) that are compatible with the slots (431) are fixedly installed on the inner side of the mounting base (21) at the position corresponding to the slots (431).

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