CN212739524U

CN212739524U - Sorting trolley frame

Info

Publication number: CN212739524U
Application number: CN202020958980.7U
Authority: CN
Inventors: 肖金飞; 姚小芬; 李孟腾; 陈恩; 邹圣光
Original assignee: Kengic Intelligent Technology Co Ltd
Current assignee: Kengic Intelligent Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-19
Anticipated expiration: 2030-05-29

Abstract

Letter sorting dolly frame, carry out modularization and lightweight to the lower part frame and improve to the purpose that the accuracy of realizing improving installation stability and each subassembly module structure equipment and dismantling, simplifying dismouting operating efficiency and reducing manufacturing cost is expected. The frame comprises a frame, a walking wheel assembly, a guide wheel assembly, a joint bearing assembly and a secondary plate, wherein the walking wheel assembly and the guide wheel assembly are connected to the frame. The frame is of a T-shaped integral structure and is provided with a transverse part and a vertical part, and a transition part which is integrally formed by punching is arranged at the joint of two sides of the transverse part and the vertical part; the outer edge of the transverse part is provided with a multi-section and continuous arc part; a long waist groove is longitudinally formed in the vertical portion of the rack, and multiple groups of internal threaded holes and external positioning holes are formed in the inner side and the outer side of the long waist groove respectively.

Description

Sorting trolley frame

Technical Field

The utility model relates to a be applied to frame improvement of crossover band letter sorting dolly belongs to commodity circulation letter sorting technical field.

Background

In the logistics sorting operation field of the existing e-commerce and express delivery industries, a sorting trolley is generally adopted to carry out automatic cargo conveying, sorting, rechecking and other operations. The walking trolley loaded with the goods is circularly conveyed on the conveying line so as to realize the rapid sorting and loading and unloading of the goods.

As in the following patent previously filed by the applicant, application No. CN2019211804902, entitled combination sorting trolley, which has a conveyor assembly arranged in the upper part and a carriage assembly arranged in the lower part. Wherein, the conveying component comprises 2 groups of parallel and independent conveying units; and the same side of the 2 groups of conveying units is connected with an organ cover together. The modular structure design of above-mentioned whole car double feed both can carry simultaneously, to 2 little parcels of both sides letter sorting, also can 2 conveying unit carry 1 big parcel simultaneously, unload to the same one side letter sorting in step. The parallel conveying units are independently separated from the installation connection of the frame assembly and the respective electrical control.

The sorting trolleys of the prior art as described above have the following evident drawbacks: 1) the frame structure is complex, the weight of the machine frame is large, and the operation efficiency of the existing cross belt sorting system is not improved; 2) the number of parts is large, the manufacturing cost is high, the limit of machining precision is met, and the whole installation and debugging precision of the trolley is low; 3) the connection structure between the components is complicated, so that the overall operation stability of the trolley is directly influenced.

In view of this, the present patent application is specifically proposed.

SUMMERY OF THE UTILITY MODEL

Letter sorting dolly frame, lie in solving the problem that above-mentioned prior art exists and carry out modularization and lightweight to the lower part frame and improve to the purpose that the accuracy of realization improvement installation stability and each subassembly module structure equipment and dismantlement, simplification dismouting operating efficiency and reduction in manufacturing cost.

In order to achieve the design purpose, the sorting trolley frame comprises a frame, a walking wheel assembly, a guide wheel assembly, a joint bearing assembly and a secondary plate, wherein the walking wheel assembly and the guide wheel assembly are connected to the frame.

The frame is characterized in that the frame is of a T-shaped integral structure and is provided with a transverse part and a vertical part, and transition parts which are integrally formed by punching are arranged at the connection positions of the two sides of the transverse part and the vertical part; the outer edge of the transverse part is provided with a multi-section and continuous arc part; a long waist groove is longitudinally formed in the vertical portion of the rack, and multiple groups of internal threaded holes and external positioning holes are formed in the inner side and the outer side of the long waist groove respectively.

Further, a trolley combination plate is arranged at the end part of the vertical part of the rack, and comprises a combination plate body with an A-shaped structure and outwards-turned bidirectional lug parts welded on two sides of the combination plate body; the front end of the combined plate body is provided with a bearing round hole, two sides of the combined plate body are provided with at least two groups of side round holes, and a middle round hole is arranged at the middle joint of the combined plate body; the ear parts on the two sides are respectively provided with at least two groups of vertical round holes for connecting first mounting holes at the bottom of the first bending connecting plate; and a plurality of vertical mounting holes used for being connected with the second mounting hole at the bottom of the second bending connecting plate are formed in the transverse part of the rack.

Furthermore, the walking wheel assembly and the guide wheel assembly are respectively arranged at two ends of the transverse part of the frame through pin shafts, and two sides of the joint bearing assembly are connected to the transverse center of the transverse part through bolts.

Furthermore, a first cushion block, a first anti-loose washer, a second cushion block and a second anti-loose washer are sleeved on the inner side of the frame and the pin shaft, and a first nut and a second nut are additionally arranged at the top end of the pin shaft.

Further, an electrical control box mounting piece is mounted at the top of the vertical part of the rack, and a positioning hole used for being connected with the vertical positioning hole in the vertical part of the rack is formed in the end part of the electrical control box mounting piece;

furthermore, an oblong hole matched with the vertical positioning hole in the vertical part is formed in the electrical control box mounting part; and a plurality of groups of small circular plates with threaded holes are welded on the electrical control box mounting piece, and side openings are formed in the side parts.

To sum up, the sorting trolley frame has the following advantages:

1. the whole lower frame structure is more compact, the light weight degree is improved, the assembly and debugging precision is correspondingly improved, and the modular structure and the assembly are favorable for reducing the field overhaul difficulty and the manufacturing cost;

2. the integral connection and installation structure is effectively simplified, and the operation efficiency of the cross belt sorting system is improved;

3. by the optimized structure and assembly method design, the whole number of the trolleys is reduced, the connection between the parts is more accurate, the limitation of the machining precision can be made up, and the installation and debugging precision is integrally improved;

4. by means of improvement of mounting and positioning accuracy among the components, the whole operation stability of the trolley is improved.

Drawings

The present application will now be further described with reference to the following drawings.

FIG. 1 is a schematic view of a cross-belt sorting cart embodying the present application;

FIG. 2 is a schematic view of the construction of the lower frame;

FIG. 3 is a structural comparison of the gantry at 2 viewing angles;

FIG. 4 is a schematic view of the structure of the cart bonding board;

FIG. 5 is a schematic view of the fixed connection of the running wheel assembly, guide wheel assembly and frame;

FIG. 6 is a schematic view of a first configuration of an electrical control box mount;

FIG. 7 is a schematic view of a second configuration of an electrical control box mount;

in the above figures, there are a sorting belt 1, a frame 11, a trolley combining plate 12, a traveling wheel assembly 13, a guide wheel assembly 14, a joint bearing assembly 15, a secondary plate 16, an electric control box mounting part 17;

an upper conveying unit 100, a lateral portion 110, a vertical portion 111;

the lower frame 200, a vertical mounting hole 201, an arc part 202, a transition part 203, a long kidney groove 204, an internal threaded hole 205, an external positioning hole 206, a side threaded hole 207, an end threaded hole 208, a vertical positioning hole 209, a bearing round hole 210, a side round hole 211, a middle round hole 212, a vertical round hole 213, a combined plate body 214, a first cushion block 215, a second cushion block 216, a first lock washer 217, a second lock washer 218, a first nut 219 and a second nut 220;

ear 300, locating hole 301, slotted hole 302, small circular plate 303, side trompil 304.

Detailed Description

Example 1, as shown in fig. 1, the cross belt sorting cart to which the present application is applied is connected to each other by a two-part modular structure to form a unitary structure including an upper conveying unit 100 and a lower frame 200.

Wherein the upper conveying unit 100 includes a sorting belt 1 wound between a drum and a side plate, and the sorting belt 1 reciprocates in two directions to perform different sorting actions.

As shown in fig. 2, the lower frame 200 of the present application has a frame 11 and a cart coupling plate 12 connected to the frame 11, at least two sets of running wheel assemblies 13 and guide wheel assemblies 14, as well as joint bearing assemblies 15, a secondary plate 16, and an electrical control box mounting 17.

As shown in fig. 3, the frame 11 has a T-shaped integral structure including a transverse portion 110 and a vertical portion 111;

the outer edge of the transverse part 110 is provided with a plurality of sections of continuous arc parts 202, and the arc parts 202 can improve the local stress dispersion to improve the tensile resistance of the transverse part 110 and can also improve the connection strength with the vertical part 111;

the frame 11 is a cast component as a whole, and is the main stressed area at the connection of the two sides of the transverse portion 110 and the vertical portion 111. In order to improve the mechanical strength of the connection region, a transition portion 203 may be connected between the lateral portion 110 and the vertical portion 111, and the transition portion 203 may be formed by press forming to be integrated with the lateral portion 110 and the vertical portion 111. The transition portion 203 can distribute and equalize external forces applied to the transverse portion 110 and the vertical portion 111, thereby assisting in improving the rigidity and strength of the entire frame 11.

A long waist groove 204 is longitudinally formed along the vertical portion 111 of the frame 11, a plurality of sets of internal threaded holes 205 and external positioning holes 206 are respectively formed in the inner side and the outer side of the long waist groove 204, and the secondary plate 16 inserted into the long waist groove 204 is locked and fixed by bolts respectively penetrating through the threaded holes 205 and the external positioning holes 206 from the outside to the inside.

Specifically, the secondary plate 16 is inserted into the long waist groove 204, the bolt penetrates through the outer positioning hole 206, the front end of the bolt is pushed into the inner threaded hole 205, the inner side surface of the secondary plate 16 is pressed against the side wall of the long waist groove 204 from outside to inside by the bolt, the bolt is continuously fastened, and finally the secondary plate 16 is pressed against the inner side surface of the long waist groove 204, so that the installation and gap adjustment operation of the secondary plate 16 is finally realized. The mounting structure and the mounting method are convenient for personnel to operate and improve the positioning accuracy, can complete the mounting and debugging of the secondary plate 16 with higher precision requirement through simple steps, and can assist in improving the control accuracy of the electric control system of the sorting trolley.

As shown in fig. 4, in order to further improve the connection stability between the frame 11 and the upper conveying unit 100, a cart coupling plate 12 may be installed at an end of the vertical portion 111 of the frame 11.

The trolley combining plate 12 is an integral welding piece, and two outward turning two-way lugs 300 are welded on two sides of the A-shaped combining plate body 214; the front end of the combining plate body 214 is provided with a bearing circular hole 210 for fixedly connecting with a bearing member tail shaft of the joint bearing assembly 15; at least two sets of side circular holes 211 are formed at both sides of the combination plate body 214 to be connected with the side threaded holes 207 formed at the lateral side of the frame 11 by bolts; a middle round hole 212 is arranged at the middle connection part of the combination plate body 214 to be connected with the end threaded hole 208 at the top end of the rack 11 through a bolt, and when the rack 11 is connected with the trolley combination plate 12, the end threaded hole 208 plays a role in positioning and tensioning the rack 11 and the upper conveying unit 100;

at least two groups of vertical round holes 213 are respectively arranged on the two side ear parts 300 to realize the connection and fixation with the first mounting hole 108 at the bottom of the first bending connecting plate 8 through a bolt; correspondingly, a plurality of vertical mounting holes 201 are formed in the transverse portion 110 of the frame 11 to be fixedly connected with the second mounting holes 101 at the bottom of the second bending connecting plate 9 through bolts.

As shown in FIG. 5, the two sets of running wheel assemblies 13 and guide wheel assemblies 14 are respectively provided at both ends of the lateral portion 110 of the frame 11 by pins, and both sides of the joint bearing assembly 15 are bolted to the lateral center of the lateral portion 110.

In order to reduce the overall weight of the sorting trolley, the frame 11 is usually made of aluminum casting, and during the running process of the traveling wheel assemblies 13 and the guide wheel assemblies 14 on the surface of the track, the pin shafts in the wheel pair assemblies and the frame 11 rotate mutually to form abnormal abrasion on the frame 11. In this regard, the solution adopted by the present application is to sleeve a first cushion block 215 and a first lock washer 217, a second cushion block 216 and a second lock washer 218 on the pin inside the frame 11, and to attach a first nut 219 and a second nut 220 on the top of the pin. Through the anti-loose washer and the nut, the two groups of cushion blocks can be respectively pressed on the inner side surface of the frame 11, when the pin shaft at the axle centers of the walking wheel assembly 13 and the guide wheel assembly 14 rotates axially, the first cushion block 215 and the second cushion block 216 rotate with the first cushion block 215 and the second cushion block 216 by a certain angle, and then the outer end angle 221 of the first cushion block 215 and the second cushion block 216 can be mutually extruded with the inner side wall of the frame 11 to be clamped, at the moment, the first cushion block 215 and the second cushion block 216 can not continuously rotate, so that the pin shaft at the axle centers of the walking wheel assembly 13 and the guide wheel assembly 14 is braked, the wheel pair of the walking wheel assembly 13 and the guide wheel assembly 14 can only idle, abnormal abrasion between the pin shaft and the frame 11 is avoided, and the service life of.

As shown in fig. 1 and 6, an electrical control box mounting member 17 is mounted on the top of the vertical portion 111 of the rack 11. A positioning hole 301 is provided at an end portion of the electrical control box attachment 17 to be fixedly connected with a vertical positioning hole 209 on the vertical portion 111 of the frame 11 by a bolt. The structure is suitable for various electrical control box installation modes, can simplify the installation and debugging of different electrical control boxes and the rack 11, can reduce the dismounting procedures and save the debugging time.

As shown in fig. 7, the electrical control box mounting member 17 further has a mounting structure and a mounting manner, that is, an elongated hole 302 matched with the vertical positioning hole 209 of the vertical portion 111 is provided in the electrical control box mounting member 17, and the electrical control box mounting member and the vertical positioning hole are fixedly connected by a bolt.

In addition, a plurality of groups of small circular plates 303 with threaded holes and side openings 304 positioned on the side parts are welded on the electrical control box mounting part 17 so as to realize the mounting and positioning with various special-shaped electrical control boxes, and after the electrical control boxes are all mounted in place, the electrical control boxes are integrally connected with the rack 11.

In summary, the embodiments presented in connection with the figures are only preferred. It is obvious to those skilled in the art that other alternative structures according to the design concept of the present invention can be derived directly from the above teachings, and the present invention shall also fall within the scope of the present invention.

Claims

1. The utility model provides a sorting dolly frame, includes the frame and connects walking wheel subassembly and guide wheel subassembly and joint bearing subassembly, the secondary plate in the frame, its characterized in that: the frame is of a T-shaped integral structure and is provided with a transverse part and a vertical part, and a transition part formed by integral punching is arranged at the joint of the two sides of the transverse part and the vertical part;

the outer edge of the transverse part is provided with a multi-section and continuous arc part;

a long waist groove is longitudinally formed in the vertical portion of the rack, and multiple groups of internal threaded holes and external positioning holes are formed in the inner side and the outer side of the long waist groove respectively.

2. The sorting cart frame of claim 1, wherein: a trolley combination plate is arranged at the end part of the vertical part of the frame, and comprises a combination plate body with an A-shaped structure and outwards-turned bidirectional lug parts welded at two sides of the combination plate body;

the front end of the combined plate body is provided with a bearing round hole, two sides of the combined plate body are provided with at least two groups of side round holes, and a middle round hole is arranged at the middle joint of the combined plate body; the ear parts on the two sides are respectively provided with at least two groups of vertical round holes for connecting first mounting holes at the bottom of the first bending connecting plate;

and a plurality of vertical mounting holes used for being connected with the second mounting hole at the bottom of the second bending connecting plate are formed in the transverse part of the rack.

3. The sorting cart frame of claim 2, wherein: the walking wheel assembly and the guide wheel assembly are respectively arranged at two ends of the transverse part of the frame through pin shafts, and two sides of the joint bearing assembly are connected to the transverse center of the transverse part through bolts.

4. The sorting cart frame of claim 3, wherein: a first cushion block, a first anti-loose washer, a second cushion block and a second anti-loose washer are sleeved on the pin shaft on the inner side of the frame, and a first nut and a second nut are additionally arranged at the top end of the pin shaft.

5. The sorting cart frame of claim 4, wherein: the top of the vertical part of the frame is provided with an electrical control box installation part, and the end part of the electrical control box installation part is provided with a positioning hole used for being connected with the vertical positioning hole on the vertical part of the frame.

6. The sorting cart frame of claim 5, wherein: the electrical control box mounting part is provided with a long round hole matched with the vertical positioning hole in the vertical part;

and a plurality of groups of small circular plates with threaded holes are welded on the electrical control box mounting piece, and side openings are formed in the side parts.