Material transfer device suitable for intelligent transfer robot

Abstract

The material transfer device comprises a material transfer trolley and a bearing tray, the material transfer trolley comprises a rectangular tray type trolley body and wheels arranged at the bottom of the rectangular tray type trolley body, and the bearing tray is provided with a trolley track matched with the material transfer trolley. A fork groove matched with a fork arm of the intelligent transfer robot is formed in the bottom of the trolley track, sliding ways matched with wheels of the material transfer trolley are arranged on two side wings of the trolley track respectively, and a baffle higher than the track surface is arranged at the rear end of the bearing tray. And a locking mechanism is arranged on the rail surface close to the front end of the trolley rail. By the adoption of the material transfer device, manpower, material resources and sites can be obviously saved, the logistics efficiency is obviously improved, the labor intensity of related workers can be greatly reduced, the safety risk is reduced, and the material transfer device has important significance and industrial application value for improving the AGV automatic carrying efficiency.

Description

Technical Field

[0001] The present invention relates to a material transfer device suitable for an intelligent handling robot, and belongs to the technical field of automated handling equipment. Background Art

[0002] Automated Guided Vehicle (AGV) is a robot used for automatic logistics transportation. AGV has been widely used in the logistics industry and manufacturing industry due to its high degree of automation, safety, reliability, and suitability for long-distance transportation.

[0003] As modern manufacturing industry places higher and higher requirements on the overall efficiency and management level of internal factory logistics, the intelligent handling robot (AGV), as an important hardware of the internal logistics system of modern factories, will greatly promote the internal logistics of factories if used properly, thus having a positive impact on the improvement of the overall operation level of factories. However, in actual use, even if AGV is purchased, there is still a difficult gap to achieve seamless connection between various logistics points. Because in practice, the more typical logistics organization model is to first transport various materials to the material center in the form of standard pallets, and then the staff of the material center will manually move the materials on the standard pallets to turnover boxes, and then send them to the production line in the form of turnover boxes according to production needs. At present, only the automated operation of AGV to transfer turnover boxes from the material center to the production line can be realized, and the work of converting goods from standard pallets to turnover boxes in the early stage must be done manually. In addition, another pain point is that factories usually stack multiple turnover boxes. In order to ensure the safety of AGV during transportation, the stacked turnover boxes must be additionally fixed. For this reason, some factories use plastic wrapping film on the outside of several layers of turnover boxes and then remove them at the destination. Some factories use a wooden box on the outside of the turnover box. Other factories have long transportation distances between various logistics points and poor ground conditions, so additional transfer points are required to use manpower to ensure the normal transportation of materials... In short, no matter which method is used, additional labor, materials, and venues cannot be avoided, and the efficiency of AGV is greatly reduced. Summary of the invention

[0004] In view of the above-mentioned problems existing in the prior art and market demand, the purpose of the present invention is to provide a material transfer device suitable for an intelligent handling robot, which can save manpower, material resources and space, significantly improve logistics efficiency and greatly reduce the labor intensity of relevant personnel, reduce potential safety risks and improve AGV handling efficiency.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] A material transfer device suitable for an intelligent handling robot comprises a material transfer trolley and a carrying pallet, wherein the material transfer trolley comprises a rectangular pallet-type body and wheels arranged at the bottom of the rectangular pallet-type body, the carrying pallet is provided with a trolley track adapted to the material transfer trolley, the bottom of the trolley track is provided with a fork groove adapted to the fork arm of the intelligent handling robot, both side wings of the trolley track are respectively provided with slideways adapted to the wheels of the material transfer trolley, and a baffle higher than the track surface is provided at the rear end of the carrying pallet, and a locking mechanism is provided on the track surface close to the front end of the trolley track.

[0007] In one implementation scheme, the carrying pallet is provided with two trolley tracks compatible with the material transfer trolley, the bottom of each trolley track is provided with a fork groove compatible with the fork arm of the intelligent handling robot, and the two side wings of each trolley track are respectively provided with slideways compatible with the wheels of the material transfer trolley, the spacing between the two fork grooves at the bottom of the two trolley tracks is compatible with the spacing between the two fork arms of the intelligent handling robot, and a locking mechanism is provided on the track surface near the front end of each trolley track.

[0008] The locking mechanism of claim 1, wherein the locking mechanism comprises a bow-shaped shell and an unlocking rod, an elastic locking tongue and a locking block arranged in the bow-shaped shell, the bow shell being fixedly connected to a track surface near the front end of the trolley track, the rear portion of the unlocking rod being rotatably connected to the bow shell, the front portion of the unlocking rod being provided with a downward unlocking portion, the elastic locking tongue comprising a rectangular block and a U-shaped fixing frame, the two side arms of the U-shaped fixing frame being respectively fixedly connected to the front and rear side surfaces of the rectangular block, the top of the U-shaped fixing frame being connected to the unlocking rod, at least one pin being fixedly provided on the left side surface of the rectangular block, the right side surface of the rectangular block being abutted against the telescopic spring, an L-shaped notch being provided on the right side of the rear portion of the locking block, a pin hole being provided on the Y-direction side surface of the L-shaped notch that matches the pin, the rear portion of the locking block being coaxially penetrated on a fixed shaft from left to right in sequence with the rectangular block and the telescopic spring, the two ends of the fixed shaft being fixedly connected to the bow-shaped shell, and a blocking plate being fixedly provided at the front end of the locking block.

[0009] In one implementation scheme, two side wings of the arcuate housing are symmetrically provided with a plurality of groups of screw holes for fixed connection with the track surface.

[0010] In one embodiment, a fixing shaft fixing ear is provided in the middle of the arcuate housing.

[0011] In one embodiment, the fixing ears of the fixing shaft are formed by bending the openings on both sides of the middle of the arched shell downwards as an integral unit.

[0012] In one embodiment, a relief gap is provided at the front of the bow-shaped housing for preventing the plate from moving up and down.

[0013] In one embodiment, the rear portion of the unlocking lever is rotatably connected to the bow-shaped housing via a pin.

[0014] In one embodiment, the unlocking portion is a downwardly bent plate formed integrally with the left side surface of the front portion of the unlocking lever.

[0015] In one implementation scheme, an unlocking portion accommodating groove matched with the unlocking portion is opened on the right side of the track panel near the front end of the trolley track, and a vertically upward limiting baffle is fixed at the rear side end of the unlocking portion accommodating groove.

[0016] In one implementation scheme, an upward convex column is provided at the middle position of the top of the U-shaped fixing frame, and a through hole adapted and corresponding to the convex column is provided on the unlocking rod, and the convex column is embedded in the through hole.

[0017] In one implementation, two pins are fixedly provided on the left side surface of the rectangular block, and the two pins are symmetrically arranged on both sides of the fixed axis.

[0018] In one embodiment, a U-shaped groove is provided at the front of the L-shaped notch, one end of the fixed shaft passes through the right side of the U-shaped groove and is fixedly connected to the bow-shaped shell, and a U-shaped opening opening upward is also provided at the right side of the U-shaped groove, and the front side arm of the U-shaped fixing frame is movably connected to the U-shaped opening.

[0019] In one implementation scheme, an opening for the locking block to move up and down is provided on the front track panel close to the trolley track.

[0020] In one implementation, a plurality of downwardly protruding arc-shaped lifting portions are provided at intervals at the bottom of the locking block near the front end.

[0021] In one embodiment, the blocking plate is an inverted L-shaped plate, and an upward bending portion is provided at the front end of the longitudinal arm of the L-shaped plate, and the rear end of the transverse arm of the L-shaped plate is connected to the front end of the locking block by screws.

[0022] In one embodiment, each wheel is detachably connected to the bottom of the material transfer vehicle via a wheel fixing seat.

[0023] In one implementation scheme, a bolt hole is provided at the center of the top of each wheel fixing seat, and a plurality of limit blocks are provided at the front side or the rear side of the top of each wheel fixing seat.

[0024] In one implementation scheme, the rectangular tray-type vehicle body includes a rectangular frame and a bottom plate, and L-shaped ridges are provided at each right angle facing each other in the bottom plate, and the two sides of each right angle and the ridges facing each other form a wheel stacking limit area.

[0025] In one implementation scheme, symmetrical through holes are opened at the front and rear of the base plate, a trolley splicing component A is fixedly installed at the bottom of one through hole, and a trolley splicing component B is rotatably connected to the bottom of the other through hole, and a gourd-shaped through hole is opened at the center of the trolley splicing component A, and the small end of the gourd-shaped through hole faces outward and the large end faces inward, and a traction hook is vertically fixed on the inner wall of the free end of the trolley splicing component B, and the traction hook can be hooked with the small hole of the gourd-shaped through hole.

[0026] In one embodiment, the traction hook is a T-shaped stud, the body diameter of the T-shaped stud is smaller than the small hole diameter of the gourd-shaped through hole, and the head diameter of the T-shaped stud is larger than the small hole diameter of the gourd-shaped through hole and smaller than the large hole diameter of the gourd-shaped through hole.

[0027] In one implementation, the trolley splicing assembly A is a U-shaped plate, a gourd-shaped through hole is opened at the bottom of the U-shaped plate, one side arm of the U-shaped plate is fixedly connected to the rectangular frame, and the other side arm of the U-shaped plate is fixedly connected to the folded edge opened on the bottom plate.

[0028] In one embodiment, the trolley splicing assembly B is an L-shaped plate, the traction hook is vertically fixed on the inner wall of the free end of the vertical arm of the L-shaped plate, and the distal end of the horizontal arm of the L-shaped plate is fixedly connected to the bottom of the elastic rotating member.

[0029] In one implementation scheme, the elastic rotating member includes a sleeve, a torsion spring and a bow-shaped fixing frame, the torsion spring is sleeved on the sleeve, and one end of the torsion spring is fixedly connected to the sleeve, the other end of the torsion spring is fixedly connected to the top of the bow-shaped fixing frame, the two sides of the bow-shaped fixing frame are fixedly connected to the inner side walls of the rectangular frame, the sleeve is installed in the cavity of the bow-shaped fixing frame by bolts, and the distal end of the transverse arm of the L-shaped plate is fixedly connected to the bottom of the sleeve.

[0030] Compared with the prior art, the beneficial technical effects of the present invention are:

[0031] By adopting the material transfer device described in the present invention, materials can be directly placed in turnover boxes, and then transported to the carrying tray by the material transfer cart described in the present invention, and then transferred to the destination by the AGV. There is no need to set up additional transfer, transportation and fixing links, which can not only significantly save manpower, material resources and space, and significantly improve logistics efficiency, but also greatly reduce the labor intensity of related personnel and reduce potential safety risks; in addition, the material transfer device described in the present invention also has many advantages such as simple structure, easy implementation, and easy use; therefore, compared with the prior art, the present invention has produced significant progress and is of great significance and industrial application value for improving the automatic transportation efficiency of AGV. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1It is a structural schematic diagram of a material transfer device applicable to an intelligent handling robot provided by an embodiment of the present invention;

[0033] Figure 2 It is a schematic diagram showing the structural relationship between the material transfer trolley and the carrying tray described in the embodiment;

[0034] Figure 3 is a schematic diagram of the front side structure of the carrying tray in the embodiment;

[0035] Figure 4 is a schematic diagram of the rear side structure of the carrying tray described in the embodiment;

[0036] Figure 5 It is a state diagram showing the material transfer device described in the embodiment when used in conjunction with the intelligent handling robot;

[0037] Figure 6 It is a schematic diagram showing the assembly relationship between the locking mechanism and the top surface of the trolley track described in the embodiment;

[0038] Figure 7 It is a schematic diagram showing the assembly relationship between the locking mechanism and the bottom surface of the trolley track described in the embodiment;

[0039] Figure 8 is a schematic diagram of the top surface structure of the locking mechanism described in the embodiment;

[0040] Fig. 9 is a schematic diagram showing the bottom surface structure of the locking mechanism described in the embodiment;

[0041] Fig.10 is a structural schematic diagram embodying the assembly relationship between the elastic locking tongue and the locking block described in the embodiment;

[0042] Fig.11 is a schematic structural diagram of the bow-shaped housing described in the embodiment;

[0043] Fig.12 is a schematic structural diagram of the unlocking lever described in the embodiment;

[0044] Fig.13 is a schematic structural diagram of a rectangular block and a U-shaped fixing frame in the elastic locking tongue described in the embodiment;

[0045] Fig.14 is a schematic structural diagram of the locking block described in the embodiment;

[0046] Fig.15 is a schematic structural diagram of the locking block in the embodiment from another perspective;

[0047] Fig.16 is a diagram showing a state in which the locking mechanism on the carrying tray according to the embodiment is locked;

[0048] Fig.17 It is a structural schematic diagram showing the assembly relationship between the components when the locking mechanism described in the embodiment is in a locked state;

[0049] Fig.18 is a schematic diagram showing the assembly relationship between the components when the locking mechanism described in the embodiment is in the unlocking start state;

[0050] Fig.19 It is a schematic diagram showing the assembly relationship between the components when the locking mechanism described in the embodiment is in the unlocking termination state;

[0051] Fig. 20 is a diagram showing a state in which the locking mechanism on the carrying tray according to the embodiment is unlocked;

[0052] Fig.21 Schematic diagram of the three-dimensional structure of the material transfer vehicle described in the embodiment;

[0053] Fig. 22 is a schematic diagram of the top view of the material transfer vehicle described in the embodiment;

[0054] Fig.23 It is a schematic diagram of the installation structure of the directional wheels at the front bottom of the material transfer trolley described in the embodiment;

[0055] Fig.24 It is a schematic diagram of the installation structure of the universal wheels at the rear bottom of the material transfer trolley described in the embodiment;

[0056] Fig.25 is a state diagram of the material transfer trolley described in the embodiment when two are stacked;

[0057] Fig.26 It is a schematic diagram showing the assembly relationship between the trolley splicing assembly A and the bottom of the material transfer trolley described in the embodiment;

[0058] Fig. 27 It is a schematic diagram showing the assembly relationship between the trolley splicing assembly A and the top of the material transfer trolley described in the embodiment;

[0059] Fig.28 is a schematic structural diagram of the trolley assembly A described in the embodiment;

[0060] Fig.29 It is a schematic diagram showing the assembly relationship between the trolley splicing assembly B and the top of the material transfer trolley described in the embodiment;

[0061] Fig.30 It is a schematic diagram showing the assembly relationship between the trolley splicing assembly B and the bottom of the material transfer trolley described in the embodiment;

[0062] Fig.31is a schematic diagram of the assembly structure of the bow-shaped fixing frame and the bolts described in the embodiment;

[0063] Fig.32 is a state diagram of the material transfer trolley described in the embodiment when two are spliced ​​together;

[0064] The numbers in the figure are as follows:

[0065] 1. Material transfer trolley; 1-1. Rectangular pallet-type body; 1-11. Rectangular frame; 1-12. Bottom plate; 1-121. Through hole; 1-122. Folded edge; 1-13. Raised edge; 1-14. Wheel stacking limit area; 1-15. Trolley splicing component A; 1-151. Gourd-shaped through hole; 1-1511. Small hole; 1-1512. Large hole; 1-16. Trolley splicing component B (L-shaped plate); 1-161. Vertical arm of L-shaped plate; 1-162. Horizontal arm of L-shaped plate; 1-17. Towing hook (T-stud ); 1-171, the body of the T-type stud; 1-172, the head of the T-type stud; 1-18, the elastic rotating part; 1-181, the shaft sleeve; 1-182, the torsion spring; 1-183, the bow-shaped fixing frame; 1-184, the bolt; 1-2, the wheel; 1-21, the fixed wheel; 1-22, the universal wheel; 1-23, the wheel fixing seat; 1-231, the bolt hole; 1-24, the limit stopper; 2, the carrying tray; 2-1, the trolley track; 2-11, the fork groove; 2-12, the slideway; 2-13, the track surface; 2-14, the unlocking 2-15, limit baffle; 2-16, opening; 2-2, baffle; 2-3, locking mechanism; 2-31, arched housing; 2-311, screw hole; 2-312, fixed shaft fixing ear; 2-313, avoidance gap; 2-32, unlocking lever; 2-321, unlocking part; 2-322, through hole; 2-33, elastic locking tongue; 2-331, rectangular block; 2-332, U-shaped fixing frame; 2-3321, side arm; 2-3322, top; 2-3323, boss; 2-233, pin; 2- 334. Telescopic spring; 2-34. Locking block; 2-341. L-shaped notch; 2-3411. Y-direction side; 2-3412. U-shaped groove; 2-34121. U-shaped opening; 2-342. Pin hole; 2-343. Arc-shaped lifting part; 2-35. Fixed shaft; 2-36. Blocking plate (L-shaped plate); 2-361. Longitudinal arm of L-shaped plate; 2-3611. Upward bending part; 2-362. Transverse arm of L-shaped plate; 2-37. Pin shaft; 3. Intelligent handling robot; 3-1. Fork arm; 4. Turnover box. DETAILED DESCRIPTION

[0066] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. In addition, it should be noted that the terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. Unless otherwise defined, the technical terms or scientific terms used in the present invention should be the common meanings understood by people with general skills in the field. The orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, in the present invention, the horizontal transverse direction is defined as the X direction, the horizontal longitudinal direction is defined as the Y direction, the two ends of the X direction are defined as the left and right sides, and the two ends of the Y direction are defined as the front and rear sides; and in the following embodiments, the inlet and outlet end of the material transfer trolley is defined as the front end of the load tray, the bottom is installed with fixed wheels as the front part of the material transfer trolley, and the bottom is installed with universal wheels as the rear part of the material transfer trolley.

[0067] Example

[0068] Please combine Figures 1 to 5 As shown, the present embodiment provides a material transfer device suitable for an intelligent handling robot, comprising a material transfer trolley 1 and a carrying pallet 2, wherein the material transfer trolley 1 comprises a rectangular pallet-type body 1-1 and wheels 1-2 arranged at the bottom of the rectangular pallet-type body 1-1, the carrying pallet 2 is provided with two trolley tracks 2-1 adapted to the material transfer trolley 1 in parallel, the bottom of each trolley track 2-1 is provided with a fork groove 2-11 adapted to the fork arm 3-1 of the intelligent handling robot 3, and the two side wings of each trolley track 2-1 are respectively provided with slideways 2-12 adapted to the wheels 1-2 of the material transfer trolley 1, the spacing between the two fork grooves 2-11 at the bottom of the two trolley tracks 2-1 is adapted to the spacing between the two fork arms 3-1 of the intelligent handling robot (AGV) 3, and a baffle 2-2 higher than the track surface 2-13 is provided at the rear end of the carrying pallet 2, and a locking mechanism 2-3 is provided on the track surface 2-13 near the front end of each trolley track 2-1.

[0069] In this embodiment, the inner cavity size of the rectangular tray-type body 1-1 of the material transfer trolley 1 can be adapted to the size of one or more turnover boxes 4, so that the turnover boxes can be stably placed on the rectangular tray-type body 1-1 without the need for additional fixing between the turnover boxes 4 and the material transfer trolley 1. Figure 5As shown; however, it should be noted that, although the present embodiment takes the inner cavity size of the rectangular pallet-type vehicle body 1-1 as an example to match the size of a turnover box 4, it is not limited to this size design, and an inner cavity size that matches the length and width required for placing 2N (N is a natural number) material turnover boxes 4 in parallel can also be used, so that a material transfer cart 1 can transfer multiple turnover boxes at a time, thereby greatly improving the turnover efficiency.

[0070] In addition, it should be noted that the carrying tray 2 of the present invention may also be provided with only one trolley track 2-1, which is usually suitable for a large-sized material transfer trolley 1, but it is best to provide two trolley tracks 2-1; the number and size of the fork grooves 2-11 at the bottom of the trolley track 2-1 are adapted to the fork arms 3-1 of the adapted intelligent handling robot 3, for example Figure 5 As shown, the intelligent transport robot 3 used in this embodiment has two fork arms 3-1, so the bottom of the carrying pallet 2 is provided with two fork grooves 2-11 that are adapted to the size of its fork arms 3-1 (including the length, width and height of each fork groove and the distance between the two fork grooves).

[0071] In addition, the length and width of the trolley track 2-1 are at least compatible with the size of a material transfer trolley 1 that it needs to carry. In this embodiment, because the size of the material transfer trolley 1 used therewith is compatible with the size of a turnover box 4, the length of the trolley track 2-1 in this embodiment adopts the length dimension of two material transfer trolleys 1 placed end to end, and the width of the trolley track 2-1 in this embodiment adopts the width dimension of two material transfer trolleys 1 placed side by side, so that four material transfer trolleys 1 can be carried at a time, such as Figure 1 and Figure 5 As shown; if the size of the material transfer trolley 1 carried is compatible with the size of the two turnover boxes 4, and the length and width of the trolley track 2-1 remain unchanged, then in this case, two material transfer trolleys 1 can be carried at a time. In short, the length of the trolley track 2-1 is usually determined by the length of the fork arm 3-1 of the intelligent handling robot 3 adapted thereto, and then the number of material transfer trolleys 1 that can be carried is determined according to the length of the trolley track 2-1 and the length or width of the single material transfer trolley 1 adapted thereto, and then the width of the trolley track 2-1 is determined.

[0072] Please see again Figure 5As shown, when the material transfer device described in the present invention is used, the turnover box 4 is first stacked on the material transfer cart 1, and then the material transfer cart 1 carrying the turnover box 4 is pushed onto the carrying tray 2, and then the fork arm 3-1 of the intelligent handling robot 3 is started to insert into the fork groove 2-11 at the bottom of the carrying tray 2, and finally the intelligent handling robot 3 transports the material to the destination. It can be seen that by adopting the material transfer device described in the present invention, the material can be directly transported from the turnover box 4 to the destination without setting up intermediate transfer links and fixed links, which can not only significantly save manpower, material resources and space, and significantly improve logistics efficiency, but also greatly reduce the labor intensity of related staff, and has strong practical value.

[0073] Please combine again Figures 6 to 15 As shown, in this embodiment, the locking mechanism 2-3 includes a bow-shaped shell 2-31 and an unlocking rod 2-32, an elastic locking tongue 2-33 and a locking block 2-34 arranged in the bow-shaped shell 2-31, the bow-shaped shell 2-31 is fixedly connected to the track surface 2-13 near the front end of the trolley track 2-1, the rear part of the unlocking rod 2-32 is rotatably connected to the bow-shaped shell 2-31, the front part of the unlocking rod 2-32 is provided with a downward unlocking part 2-321, the elastic locking tongue 2-33 includes a rectangular block 2-331 and a U-shaped fixing frame 2-332, the two side arms 2-3321 of the U-shaped fixing frame 2-332 are respectively fixedly connected to the front and rear sides of the rectangular block 2-331, and the top of the U-shaped fixing frame 2-332 2-3322 is connected to the unlocking rod 2-32, at least one pin 2-333 is fixedly provided on the left side surface of the rectangular block 2-331, and the right side surface of the rectangular block 2-331 abuts against the telescopic spring 2-334. An L-shaped notch 2-341 is provided on the right side of the rear part of the locking block 2-34, and a pin hole 2-342 matched with the pin 2-333 is provided on the Y-direction side surface 2-3411 of the L-shaped notch 2-341, and the rear part of the locking block 2-34 is coaxially penetrated by the rectangular block 2-331 and the telescopic spring 2-334 from left to right in sequence on a fixed shaft 2-35, both ends of the fixed shaft 2-35 are fixedly connected to the bow-shaped shell 2-31, and a blocking plate 2-36 is fixedly provided at the front end of the locking block 2-34.

[0074] Please see again Figure 8 , Fig. 9 and Fig.11As shown, in this embodiment, a plurality of screw holes 2-311 for fixing with the track surface 2-13 are symmetrically arranged on both side wings of the arched housing 2-31, and a fixed shaft fixing ear 2-312 is arranged in the middle of the arched housing 2-31. The fixed shaft fixing ear 2-312 is formed by bending downwardly the openings on both sides of the middle of the arched housing 2-31. A avoidance notch 2-313 for blocking the up and down movement of the blocking plate 2-36 is opened in the front of the arched housing 2-31.

[0075] Please see again Figure 8 As shown, the rear part of the unlocking rod 2-32 is rotatably connected to the bow-shaped shell 2-31 through a pin shaft 2-37.

[0076] Please see again Fig.12 As shown, the unlocking portion 2-321 is a downwardly bent plate formed integrally with the left side surface of the front portion of the unlocking rod 2-32.

[0077] Please see again Figure 6 and Figure 7 As shown, an unlocking portion accommodating groove 2-14 adapted to the unlocking portion 2-321 is provided on the right side of the track panel near the front end of the trolley track 2-1, and a vertically upward limiting baffle 2-15 is fixed at the rear side end of the unlocking portion accommodating groove 2-14.

[0078] Please combine again Fig. 9 , Fig.10 , Fig.12 and Fig.13 As shown, an upward boss 2-3323 is provided at the top middle position of the U-shaped fixing frame 2-332, and a through hole 2-322 adapted and corresponding to the boss 2-3323 is provided on the unlocking rod 2-32, and the boss 2-3323 is embedded in the through hole 2-322.

[0079] Please see again Fig.13 As shown, two pins 2-333 are fixedly provided on the left side surface of the rectangular block 2-331, and the two pins 2-333 are symmetrically arranged on both sides of the fixed axis 2-35.

[0080] Please combine again Fig. 9 , Fig.10 and Fig.14 The front portion of the L-shaped notch 2-341 is provided with a U-shaped groove 2-3412, and one end of the fixed shaft 2-35 passes through the right side portion of the U-shaped groove 2-3412 and is fixedly connected to the bow-shaped shell 2-31. In addition, the right side portion of the U-shaped groove 2-3412 is also provided with a U-shaped opening 2-34121 opening upward, and the front side arm 2-3321 of the U-shaped fixing frame 2-332 is movably connected to the U-shaped opening 2-34121.

[0081] Please see again Figure 6 and Figure 7 As described above, an opening 2-16 for the locking block 2-34 to move up and down is provided on the front track panel close to the trolley track 2-1.

[0082] Please see again Fig.15 As shown, a plurality of downwardly protruding arc-shaped lifting portions 2-343 are spaced apart at the bottom near the front end of the locking block 2-34.

[0083] Please see again Fig.10 , Fig.14 and Fig.15 As shown, the blocking plate 2-36 is an inverted L-shaped plate, and an upward bending portion 2-3611 is provided at the front end of the longitudinal arm 2-361 of the L-shaped plate, and the rear end of the transverse arm 2-362 of the L-shaped plate is connected to the front end of the locking block 2-34 by screws. However, it should be noted that the blocking plate 2-36 and the locking block 2-34 can also be integrally formed or welded and fixed as a whole.

[0084] When the locking block 2-34 is pushed up (initially, the locking block 2-34 is lifted up manually with the foot, and in use, the fork arm 3-1 inserted in the fork groove 2-11 contacts the multiple downwardly protruding arc-shaped lifting parts 2-343 provided at the bottom of the locking block 2-34, so that the locking block 2-34 is automatically pushed up), the pin 2-333 provided on the left side surface of the rectangular block 2-331 will enter the pin hole 2-342 provided on the Y-direction side surface 2-3411 of the L-shaped notch 2-341 on the right rear part of the locking block 2-34, thereby locking the locking block 2-34 (see Fig.17 As shown), the blocking plate 2-36 fixed at the front end of the locking block 2-34 is lifted upward and higher than the track surface 2-13 of the trolley track 2-1 (see Fig.16 As shown), it can block and position the material transfer trolley 1 placed on the trolley track 2-1 (see Figure 1 , Figure 2 and Figure 5 shown);

[0085] When the material transfer trolley 1 on the trolley track 2-1 is to be unloaded, the unlocking part 2-321 provided at the front of the unlocking rod 2-32 is pushed into the unlocking part accommodating groove 2-14 by human feet. The movement of the unlocking rod 2-32 to the right will pull the U-shaped fixing frame 2-332 to move to the right, and then the pin 2-333 provided on the left side of the rectangular block 2-331 will be disengaged from the pin hole 2-342 on the Y-direction side 2-3411 of the L-shaped notch 2-341 on the right side of the rear part of the locking block 2-34, and the front end of the locking block 2-34 will fall downward under the action of its own gravity (see Fig.18As shown); when the unlocking portion 2-321 is pushed to the right by the human foot, the rectangular block 2-331 moves to the right together with the U-shaped fixing frame 2-332, thereby compressing the telescopic spring 2-334. When the foot is removed, the rectangular block 2-331 moves to the left under the action of the restoring force of the telescopic spring 2-334 until the pin 2-333 provided on the left side of the rectangular block 2-331 abuts against the Y-direction side 2-3411 of the L-shaped notch 2-341 on the right side of the rear part of the locking block 2-34 (see Fig.19 As shown); the blocking plate 2-36 at the front end of the locking block 2-34 has fallen from the opening 2-16 provided on the track panel near the front end of the trolley track 2-1 and the blocking effect is released (see Fig. 20 As shown), the material transfer trolley 1 located on the trolley track 2-1 can be smoothly slid and unloaded.

[0086] That is to say, the present invention can not only cleverly realize automatic locking and fixing of the material transfer trolley 1 located on the trolley track 2-1 through the designed locking mechanism 2-3, but also make the unlocking operation very convenient, which has strong practical value.

[0087] Please see again Figure 21 to Figure 24 As shown, in this embodiment, the wheels 1-2 of the material transfer trolley 1 include fixed wheels 1-21 and universal wheels 1-22, and the fixed wheels 1-21 are arranged at the front bottom of the material transfer trolley 1, and the universal wheels 1-22 are arranged at the rear bottom of the material transfer trolley 1, and each wheel 1-2 is detachably connected to the bottom of the material transfer trolley 1 through a wheel fixing seat 1-23. Specifically, in this embodiment, a bolt hole 1-231 is arranged at the top center of each wheel fixing seat 1-23, and a plurality of limit blocks 1-24 are arranged at the top front side or rear side of the wheel fixing seat 1-23. By arranging a plurality of limit blocks 1-24 at the top front side or rear side of the wheel fixing seat 1-23, it is not only conducive to the rapid installation and positioning of the wheel fixing seat 1-23, but also can be realized under the blocking cooperation effect, only one central bolt is needed to fix the wheel 1-2, so that the replacement and disassembly operation of the wheel 1-2 is very convenient.

[0088] Please see again Fig.21 and Fig. 22 As shown, in this embodiment, the rectangular tray-type vehicle body 1-1 includes a rectangular frame 1-11 and a bottom plate 1-12, and L-shaped convex ridges 1-13 are provided at each right angle facing each other on the bottom plate 1-12, and the two sides of each right angle and the convex ridges 1-13 facing each other enclose a wheel stacking limit area 1-14. By setting the wheel stacking limit area 1-14, the wheels 1-2 can be confined in the wheel stacking limit area 1-14 when the material transfer trolley 1 is stored and stacked, see Fig.25As shown, the material transfer trolley 1 described in the present invention can be easily stored and stacked.

[0089] Please see again Fig.21 and Fig. 22 As shown, in this embodiment, symmetrical through holes 1-121 are provided at the front and rear of the bottom plate 1-12, a trolley splicing component A 1-15 is fixedly provided at the bottom of one through hole, and a trolley splicing component B 1-16 is rotatably connected to the bottom of the other through hole, and a gourd-shaped through hole 1-151 is provided at the center of the trolley splicing component A 1-15, and the small end of the gourd-shaped through hole 1-151 faces outward and the large end faces inward, and a traction hook 1-17 is vertically fixed on the inner wall of the free end of the trolley splicing component B 1-16, and the traction hook 1-17 can be hung with the small hole 1-1511 of the gourd-shaped through hole 1-151 (see Fig.32 As shown), multiple material transfer carts 1 can be spliced ​​and connected.

[0090] Please combine again Fig.21 and Fig.32 As shown, in this embodiment, the traction hook 1-17 is a T-shaped stud, and the diameter of the column body 1-171 of the T-shaped stud is smaller than the aperture of the small hole 1-1511 of the gourd-shaped through hole 1-151, and the diameter of the column head 1-172 of the T-shaped stud is larger than the aperture of the small hole 1-1511 of the gourd-shaped through hole 1-151 and smaller than the aperture of the large hole 1-1512 of the gourd-shaped through hole 1-151, so that the column body 1-171 of the T-shaped stud can be inserted into the small hole 1-1511 of the gourd-shaped through hole 1-151, and the column head 1-172 of the T-shaped stud is located outside the small hole 1-1511 of the gourd-shaped through hole 1-151, thereby realizing the connection effect of mutual hanging.

[0091] Please combine again Figure 26 to Figure 28 As shown, in this embodiment, the trolley splicing assembly A 1-15 is a U-shaped plate, a gourd-shaped through hole 1-151 is opened at the bottom of the U-shaped plate, one side arm of the U-shaped plate is fixedly connected to the rectangular frame 1-11, and the other side arm of the U-shaped plate is fixedly connected to the folded edge 1-122 opened on the bottom plate 1-12.

[0092] Please see again Figure 29 to Figure 31As shown, in this embodiment, the trolley splicing assembly B 1-16 is an L-shaped plate, the traction hook 1-17 is vertically fixed on the inner wall of the free end of the vertical arm 1-161 of the L-shaped plate, and the distal end of the horizontal arm 1-162 of the L-shaped plate is fixedly connected to the bottom of the elastic rotating member 1-18. The elastic rotating member 1-18 includes a sleeve 1-181, a torsion spring 1-182 and a bow-shaped fixing frame 1-183. The torsion spring 1-182 is sleeved on the sleeve 1-181, and one end of the torsion spring 1-182 is fixedly connected to the sleeve 1-181, and the other end of the torsion spring 1-182 is fixedly connected to the top of the bow-shaped fixing frame 1-183. The two side portions of the bow-shaped fixing frame 1-183 are fixedly connected to the inner wall of the rectangular frame 1-11. The sleeve 1-181 is installed in the cavity of the bow-shaped fixing frame 1-183 by a bolt 1-184, and the distal end of the transverse arm 1-162 of the L-shaped plate is fixedly connected to the bottom of the sleeve 1-181.

[0093] See also Fig.32 As shown, when it is necessary to connect the trolley splicing component B 1-16 on one trolley with the trolley splicing component A 1-15 on another trolley, it is only necessary to manually rotate the trolley splicing component B 1-16 so that the vertical arm 1-161 of the L-shaped plate is in a horizontal inverted state, so that the traction hook 1-17 located on the inner wall of the free end of the vertical arm 1-161 of the L-shaped plate is in a vertical upward state, and then it can enter through the large hole 1-1512 of the gourd-shaped through hole 1-151 at the bottom of the trolley splicing component A 1-15 on the other trolley, and then hook with the small hole 1-1511 of the gourd-shaped through hole 1-151 to realize the connection between the two; because a torsion spring 1-182 is provided at one end of the shaft sleeve 1-181, under the action of the upward restoring force of the torsion spring 1-182, the traction hook 1-17 and the gourd-shaped through hole 1-151 can be tightly connected and will not fall off.

[0094] From the above, it can be seen that by adopting the material transfer device described in the present invention, the material can be directly placed in the turnover box 4, and then transported to the carrying tray 2 by the material transfer cart 1 described in the present invention, and then transferred to the destination by the AGV 3, without setting up additional transfer, transportation and fixing links, which can not only significantly save manpower, material resources and space, and significantly improve the logistics efficiency, but also greatly reduce the labor intensity of related staff and reduce potential safety risks; in addition, the material transfer device described in the present invention also has many advantages such as simple structure, easy implementation and convenient use; therefore, compared with the prior art, the present invention has produced significant progress, and has important significance and industrial application value for improving the automatic transportation efficiency of AGV.

[0095] Finally, it is necessary to point out here that the above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A material transfer device suitable for an intelligent handling robot, characterized in that: It includes a material transfer trolley and a carrying pallet, the material transfer trolley includes a rectangular pallet-type body and wheels arranged at the bottom of the rectangular pallet-type body, the carrying pallet is provided with a trolley track adapted to the material transfer trolley, the bottom of the trolley track is provided with a fork groove adapted to the fork arm of the intelligent handling robot, the two side wings of the trolley track are respectively provided with slideways adapted to the wheels of the material transfer trolley, and a baffle higher than the track surface is provided at the rear end of the carrying pallet, and a locking mechanism is provided on the track surface close to the front end of the trolley track.

2. The material transfer device suitable for an intelligent handling robot according to claim 1, characterized in that: The locking mechanism comprises a bow-shaped shell and an unlocking rod, an elastic locking tongue and a locking block arranged in the bow-shaped shell, the bow shell is fixedly connected to the track surface near the front end of the trolley track, the rear part of the unlocking rod is rotatably connected to the bow shell, the front part of the unlocking rod is provided with a downward unlocking part, the elastic locking tongue comprises a rectangular block and a U-shaped fixing frame, the two side arms of the U-shaped fixing frame are respectively fixedly connected to the front and rear side surfaces of the rectangular block, the top of the U-shaped fixing frame is connected to the unlocking rod, at least one pin is fixedly provided on the left side surface of the rectangular block, the right side surface of the rectangular block abuts against the telescopic spring, an L-shaped notch is provided on the right side of the rear part of the locking block, and a pin hole adapted to the pin is provided on the Y-direction side surface of the L-shaped notch, the rear part of the locking block, the rectangular block and the telescopic spring are coaxially penetrated on a fixed shaft from left to right in sequence, the two ends of the fixed shaft are fixedly connected to the bow-shaped shell, and a blocking plate is fixedly provided at the front end of the locking block.

3. The material transfer device suitable for an intelligent handling robot according to claim 2, characterized in that: The front part of the arched shell is provided with an avoidance notch for blocking the plate from moving up and down.

4. The material transfer device suitable for an intelligent handling robot according to claim 2, characterized in that: An unlocking portion accommodating groove matched with the unlocking portion is provided on the right side of the track panel near the front end of the trolley track, and a vertically upward limiting baffle is fixed at the rear side end of the unlocking portion accommodating groove.

5. The material transfer device suitable for an intelligent handling robot according to claim 2, characterized in that: A U-shaped groove is provided at the front of the L-shaped notch, and one end of the fixed shaft passes through the right side of the U-shaped groove and is fixedly connected to the bow-shaped shell body. In addition, a U-shaped opening opening upward is also provided at the right side of the U-shaped groove, and the front side arm of the U-shaped fixing frame is movably connected to the U-shaped opening.

6. The material transfer device suitable for an intelligent handling robot according to claim 1, characterized in that: The rectangular tray-type vehicle body comprises a rectangular frame and a bottom plate. L-shaped convex edges are arranged at each right angle facing each other at the bottom plate. The two sides of each right angle and the convex edges facing each other form a wheel stacking limiting area.

7. The material transfer device suitable for an intelligent handling robot according to claim 6, characterized in that: Symmetrical through holes are provided at the front and rear of the base plate, a trolley splicing component A is fixedly provided at the bottom of one through hole, a trolley splicing component B is rotatably connected to the bottom of the other through hole, and a gourd-shaped through hole is provided at the center of the trolley splicing component A, with the small end of the gourd-shaped through hole facing outward and the large end facing inward, a traction hook is vertically fixedly provided on the inner wall of the free end of the trolley splicing component B, and the traction hook can be hooked with the small hole of the gourd-shaped through hole.

8. The material transfer device suitable for an intelligent handling robot according to claim 7, characterized in that: The trolley splicing assembly A is a U-shaped plate, a gourd-shaped through hole is opened at the bottom of the U-shaped plate, one side arm of the U-shaped plate is fixedly connected to the rectangular frame, and the other side arm of the U-shaped plate is fixedly connected to the folded edge opened on the bottom plate.

9. The material transfer device suitable for an intelligent handling robot according to claim 7, characterized in that: The trolley assembly B is an L-shaped plate, the traction hook is vertically fixed on the inner wall of the free end of the vertical arm of the L-shaped plate, and the distal end of the horizontal arm of the L-shaped plate is fixedly connected to the bottom of the elastic rotating member.

10. The material transfer device suitable for an intelligent handling robot according to claim 9, characterized in that: The elastic rotating part includes a sleeve, a torsion spring and a bow-shaped fixing frame. The torsion spring is sleeved on the sleeve, and one end of the torsion spring is fixedly connected to the sleeve, and the other end of the torsion spring is fixedly connected to the top of the bow-shaped fixing frame. The two sides of the bow-shaped fixing frame are fixedly connected to the inner side walls of the rectangular frame. The sleeve is installed in the cavity of the bow-shaped fixing frame by bolts, and the distal end of the transverse arm of the L-shaped plate is fixedly connected to the bottom of the sleeve.

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