Bag loading machine

Abstract

The embodiment of the present invention provides a bagged goods loading machine, including: a horizontal conveyor, an inclined conveyor, a head lifting trolley, a connecting beam and a loading head; the horizontal conveyor includes a feed belt conveyor, a driving wheel assembly and a driven wheel assembly installed at the bottom of the feed belt conveyor; the connecting beam includes a connecting beam body assembly and a connecting beam telescopic assembly, and a trolley brake assembly is installed on the connecting beam body assembly; the head lifting trolley includes a trolley brake assembly, a walking assembly and a lifting assembly, and the lifting assembly can move up and down within the frame of the walking assembly, driving the loading head installed at the bottom of the lifting assembly to complete the lifting action. In the solution provided by the embodiment of the present invention, the connecting beam and the head lifter can quickly and accurately stop and position according to the bag arrangement plan during the movement along the track; and the lifting speed of the loading head and the moving speed of the horizontal conveyor are synchronized and coordinated according to a predetermined proportional relationship to complete the vertical stable bag stacking.

Description

Technical Field

[0001] The invention relates to the technical field of bagged goods loading and palletizing, and in particular to a bagged goods loading machine. Background Art

[0002] Automatic bagged material loading machines are widely used in the palletizing and loading process of bagged materials such as cement, grain, and fertilizer due to their high loading efficiency and labor saving.

[0003] The traditional automatic loader for bagged goods is mainly composed of tracks, horizontal conveyors, inclined conveyors, loading heads, head elevators, connecting beams and other parts. During the loading process, the head elevator and the horizontal conveyor can move along the track to stack the bags on the length direction of the car. The head elevator drives the loading head to move up and down to stack the bags on the height direction of the car. In order to ensure that the bags are loaded neatly and steadily, firstly, the horizontal conveyor and the head elevator must be able to brake and position quickly and accurately according to the bag arrangement plan during movement along the track; secondly, the lifting speed of the head elevator and the horizontal conveyor must be coordinated during the vertical bag stacking process. Summary of the invention

[0004] In order to solve the above problems, an embodiment of the present invention provides a bagged goods loading machine.

[0005] In one aspect of the present invention, a bagged goods loading machine is provided, comprising: a horizontal conveyor, an inclined conveyor, a head lifting trolley, a connecting beam and a loading head; wherein one end of the connecting beam is connected to the output end of the horizontal conveyor through a hinge shaft, and the other end is rigidly connected to the head lifting trolley, the loading head is installed under the head lifting trolley, and the inclined conveyor belt is hinged to the connecting beam and the loading head respectively;

[0006] The horizontal conveyor includes a feed belt conveyor, a driving wheel assembly and a driven wheel assembly installed at the bottom of the feed belt conveyor;

[0007] The connecting beam includes a connecting beam body component and a connecting beam telescopic component. A traveling wheel is installed at the bottom of the connecting beam body component, and a trolley brake component is installed on the connecting beam body component. The connecting beam body component and the connecting beam telescopic component realize controllable separation / combination connection through a rack meshing structure, connecting the horizontal conveyor and the head lifting trolley into a non-rigid whole;

[0008] The head lifting trolley includes a trolley brake assembly, a travel assembly and a lifting assembly. The trolley brake assembly is installed on the travel assembly. The lifting assembly can move up and down within the frame of the travel assembly, thereby driving the loading head installed at the bottom of the lifting assembly to complete the lifting action;

[0009] When stacking and packing the vehicle vertically, the head lifting trolley is stopped by the trolley brake assembly, and the lifting assembly drives the loading head to lift and lower. The connecting beam assembly and the connecting beam telescopic assembly are in the split mode. The horizontal conveyor is driven by the driving wheel assembly to synchronize with the loading head. During the synchronous linkage process, the lifting speed of the loading head v 小车 With the horizontal conveyor moving speed v 大车 Satisfies the following expression:

[0010] v 大车 =v 小车 / tanα

[0011] Wherein, α represents the angle between the horizontal conveyor and the inclined conveyor.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the connecting beam of the horizontal conveyor and the head elevator is in a combined mode during the movement along the track, the horizontal conveyor, the connecting beam and the head elevator constitute a rigid whole, and the brake assembly installed on the connecting beam and the head elevator trolley is utilized to realize that the horizontal conveyor and the head elevator can be braked and positioned quickly and accurately according to the package arrangement plan during the movement along the track; and the loading head lifting speed and the horizontal conveyor moving speed are synchronized and coordinated according to a predetermined proportional relationship to complete vertical stable package stacking.

[0013] Optionally, both the large vehicle brake assembly and the small vehicle brake assembly include: a brake assembly bracket, a brake drive device installed on the brake assembly bracket, a lead screw rotatably connected across the brake assembly bracket, the lead screw is connected to the brake drive device through a gear structure, the threads at both ends of the lead screw have opposite rotation directions, and the two ends of the lead screw are respectively threadedly connected to the brake foot assembly.

[0014] Optionally, the brake foot assembly includes: a slide seat threadedly connected to the end of the lead screw, a lever rotatably connected to the bottom of the brake assembly bracket, one end of the lever is hinged to the slide seat, and the other end of the lever is equipped with a brake pad mounting seat, and a brake pad is mounted on the brake pad mounting seat; or,

[0015] The brake foot assembly comprises: a shell arranged on the outer periphery of the end of the lead screw, a slide seat threadedly connected to the end of the lead screw and slidable in the shell, and a brake pad installed on the outer side of the slide seat.

[0016] Optionally, the inclined conveyor includes: a discharge belt conveyor, a transition roller installed at the feed port end of the discharge belt conveyor, a roller buffer machine fixedly connected to the discharge port end of the discharge belt conveyor, and a packing machine fixedly connected to the discharge port end of the roller buffer machine;

[0017] The roller buffering machine comprises an electric roller and a free roller which are arranged at intervals, and the unpacking machine comprises an upper unpacking pressing belt conveyor and a lower unpacking conveying belt conveyor which are arranged in parallel up and down.

[0018] Optionally, a wiring rack is installed on the unloading belt conveyor, and the wiring rack includes a wire trough beam, and reinforcing beams are arranged below both sides of the wire trough beam and in parallel with the wire trough beam, and fixed columns are connected between the wire trough beam and the reinforcing beam, and multiple support columns are installed at the bottom of the reinforcing beam, and the bottom of the support column is fixedly connected to the frame of the unloading belt conveyor, and a damping hinge is installed on the wire trough beam, and a wire trough beam cover is installed on the wire trough beam through the damping hinge, and a hose connector is installed at one end of the wire trough beam.

[0019] The transmission gear of the present invention is connected with the gear of the transmission gear of the present invention to the gear of the transmission gear of the present invention is connected with the gear of the transmission gear of the transmission gear to the gear of the transmission gear of the transmission gear.

[0020] Optionally, the walking assembly includes a frame of a rectangular frame structure, lifting guide shoes are installed at relative positions on the upper and lower layers of the frame, a lifting drive device is installed in the frame, and walking wheels are installed at the bottom of the frame;

[0021] The lifting assembly includes a lifting frame body with a rectangular frame structure, the lifting frame body is connected to the lifting drive device, and a lifting guide rail is installed on the column of the lifting frame body. The lifting guide rail and the lifting guide shoe slide in cooperation to achieve the guiding effect of the lifting frame body when it is lifted or lowered in the frame.

[0022] Optionally, the loading head includes a main frame capable of being telescopically adjusted along the width direction of the carriage, and a draw plate assembly and a pull plate assembly installed in the main frame;

[0023] The drawer assembly includes a middle drawer located at the bottom of the main frame, rolling curtains fixedly connected to the left and right sides of the middle drawer, and a first synchronous pulley driving device installed on the main frame. The middle drawer and the rolling curtain are fixed on the first synchronous belt of the first synchronous pulley driving device. The first synchronous belt runs in a closed loop in the main frame to drive the middle drawer and the rolling curtain to move left and right along the width direction of the carriage.

[0024] The paddle assembly is located above the draw plate assembly and can paddle the bagged objects placed on the draw plate assembly along the width direction of the compartment, and during the drawing process of the draw plate assembly, the bagged objects placed on the draw plate assembly are blocked so that the bagged objects fall into the compartment.

[0025] Optionally, the main frame includes a fixed frame, a left telescopic frame and a right telescopic frame, the left telescopic frame and the right telescopic frame are respectively slidably connected to the left and right sides of the fixed frame, a left drive screw and a right drive screw are installed in the fixed frame, the output end of the left drive screw is connected to the left telescopic frame, and the output end of the right drive screw is connected to the right telescopic frame.

[0026] Optionally, the paddle assembly includes a vertical paddle plate slidably disposed in the main frame and located above the drawer assembly, a second synchronous pulley drive device installed above the vertical paddle plate, and a top edge of the vertical paddle plate is fixedly connected to the second synchronous belt of the second synchronous pulley drive device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute a limitation of the present invention. In the drawings:

[0028] Figure 1 A schematic diagram of the structure of a bagged goods loading machine provided by an embodiment of the present invention;

[0029] Figure 2 A schematic diagram of the structure of a horizontal conveyor provided by an embodiment of the present invention;

[0030] Figure 3 A schematic structural diagram of a driving wheel assembly provided by an embodiment of the present invention;

[0031] Figure 4 A schematic diagram of a brake assembly provided in an embodiment of the present invention Figure 1 ;

[0032] Figure 5 A schematic diagram of a brake assembly provided in an embodiment of the present invention Figure 2 ;

[0033] Figure 6 A schematic structural diagram of an inclined conveyor provided by an embodiment of the present invention;

[0034] Figure 7 A schematic diagram of the structure of a drum buffer provided by an embodiment of the present invention;

[0035] Figure 8 A schematic structural diagram of a package unpacking machine provided by an embodiment of the present invention;

[0036] Fig. 9 A schematic diagram of the structure of a wiring rack provided by an embodiment of the present invention;

[0037] Fig.10 A schematic structural diagram of a connecting beam provided by an embodiment of the present invention;

[0038] Fig.11 A schematic diagram of a structure of a rack meshing structure on a connecting beam telescopic assembly provided by an embodiment of the present invention;

[0039] Fig.12 A schematic diagram of the structure of a machine head lifting trolley provided in an embodiment of the present invention;

[0040] Fig.13 A schematic diagram of the structure of a walking assembly provided by an embodiment of the present invention;

[0041] Fig.14 A schematic structural diagram of a lifting assembly provided by an embodiment of the present invention;

[0042] Fig.15 A schematic diagram of the three-dimensional structure of a loading machine head provided by an embodiment of the present invention;

[0043] Fig.16 A schematic diagram of a top view of a loading joint provided by an embodiment of the present invention;

[0044] Fig.17 A schematic cross-sectional structure diagram of a loading machine head provided in an embodiment of the present invention;

[0045] Fig.18 A structural schematic diagram of a fixing frame provided by an embodiment of the present invention;

[0046] Fig.19 A schematic structural diagram of a left telescopic frame provided by an embodiment of the present invention;

[0047] Fig. 20 A schematic structural diagram of a right telescopic frame provided in an embodiment of the present invention.

[0048] Among them, horizontal conveyor 1, inclined conveyor 2, head lifting trolley 3, connecting beam 4, loading head 5, feeding belt conveyor 6, driving wheel assembly 7, driven wheel assembly 8, connecting beam body assembly 9, connecting beam telescopic assembly 10, walking wheel 11, trolley brake assembly 12, trolley brake assembly 13, walking assembly 14, lifting assembly 15, driving assembly frame 16, driving wheel shaft 17, driving motor 18, motor reducer 19, driving motor mounting frame 20, small toothed sprocket 21, toothed chain 22, large toothed sprocket 23, brake assembly bracket 24, brake drive device 25, screw 26, gear structure 27, brake foot assembly 28, slide seat 29, lever 30, brake pad mounting seat 31, brake pad 32, shell 33, discharging belt conveyor 34, transition roller 35, roller cache machine 36, unpacking machine 37, wiring rack 38, wire trough beam 39, reinforcement beam 40, fixed column 41, support Column 42, damping hinge 43, wire trough beam cover 44, hose connector 45, fixed beam 46, long rack mounting seat 47, long rack 48, sliding seat 49, guide column 50, short rack mounting seat 51, short rack 52, spring 53, electromagnet mounting seat 54, clutch electromagnet 55, lever 56, frame 57, lifting guide shoe 58, lifting drive device 59, lifting frame body 60, lifting guide rail 61, main frame 62, drawer assembly 63 , the paddle assembly 64, the middle drawer plate 65, the roller shutter 66, the first synchronous belt 67, the vertical paddle plate 68, the second synchronous belt 69, the drawer drive motor 70, the gear shaft 71, the active synchronous wheel 72, the driven synchronous wheel 73, the lifting idler wheel 74, the grooved synchronous wheel 75, the tensioning wheel 76, the fixed frame 77, the left telescopic frame 78, the right telescopic frame 79, the left drive screw 80, the right drive screw 81, the oblique oblong hole 82, and the vertical oblong hole 83. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.

[0050] See also Figure 1 The embodiment of the present invention provides a bag loading machine, comprising: a horizontal conveyor 1, an inclined conveyor 2, a head lifting trolley 3, a connecting beam 4 and a loading head 5; wherein one end of the connecting beam 4 is connected to the output end of the horizontal conveyor 1 through a hinge shaft, and the other end is rigidly connected to the head lifting trolley 3, the loading head 5 is installed under the head lifting trolley 3, and the inclined conveyor belt 2 is hinged to the connecting beam 4 and the loading head 5 respectively; wherein,

[0051] See also Figure 2 , the horizontal conveyor 5 includes a feed belt conveyor 6, a driving wheel assembly 7 and a driven wheel assembly 8 installed at the bottom of the feed belt conveyor 6;

[0052] See also Fig.10 The connecting beam 4 includes a connecting beam body component 9 and a connecting beam telescopic component 10. A travel wheel 11 is installed at the bottom of the connecting beam body component 9. A trolley brake component 12 is installed on the connecting beam body component 9. The connecting beam body component 9 and the connecting beam telescopic component 10 are connected in a controllable manner through a rack meshing structure, so as to connect the horizontal conveyor 1 and the head lifting trolley 3 into a non-rigid whole.

[0053] See also Fig.12 The head lifting trolley 3 includes a trolley brake assembly 13, a traveling assembly 14 and a lifting assembly 15. The trolley brake assembly 13 is installed on the traveling assembly 14. The lifting assembly 15 can move up and down within the frame of the traveling assembly 14, thereby driving the loading head 5 installed at the bottom of the lifting assembly 15 to complete the lifting action;

[0054] When stacking and packing the vehicle vertically, the head lifting trolley 3 is stopped by the trolley brake assembly 13, and the lifting assembly 15 drives the loading head 5 to lift and lower, the connecting beam assembly 9 and the connecting beam telescopic assembly 10 are in the split mode, and the horizontal conveyor 1 is driven by the driving wheel assembly 7 to synchronize with the loading head 5. During the synchronous linkage process, the lifting speed v of the loading head 5 is 小车 With horizontal conveyor 1 moving speed v 大车 Satisfies the following expression:

[0055] v 大车 =v 小车 / tanα

[0056] Wherein, α represents the angle between the horizontal conveyor 1 and the inclined conveyor 2.

[0057] In implementation, see Figure 3 The driving wheel assembly 7 is mainly composed of a driving assembly frame 16, a driving wheel shaft 17, a driving motor 18, a motor reducer 19, a driving motor mounting frame 20, a small toothed sprocket 21, a toothed chain 22, a large toothed sprocket 23, and a walking wheel 11; the driving motor 18 adopts an AC servo motor, and the output shaft of the driving motor 18 is installed with a motor reducer 19, and the output shaft of the motor reducer 19 is installed with a small toothed sprocket 21. The small toothed sprocket 21 transmits the power of the driving motor 18 to the large toothed sprocket 23 fixed on the driving wheel shaft 17 through the toothed chain 22, thereby driving the walking wheels 11 installed at both ends of the driving wheel shaft 17 to operate.

[0058] In implementation, see Figure 4 and Figure 5The large vehicle brake assembly 12 and the small vehicle brake assembly 13 both include: a brake assembly bracket 24, a brake driving device 25 installed on the brake assembly bracket 24, and a lead screw 26 rotatably connected to the brake assembly bracket 24. The lead screw 26 is connected to the brake driving device 25 through a gear structure 27. The threads at both ends of the lead screw 26 have opposite rotation directions, and the two ends of the lead screw 26 are respectively threadedly connected with brake foot assemblies 28.

[0059] The brake foot assembly 28 includes: a slide seat 29 threadedly connected to the end of the lead screw 26, a lever 30 rotatably connected to the bottom of the brake assembly bracket 24, one end of the lever 30 is hinged to the slide seat 29, and the other end of the lever 30 is installed with a brake pad mounting seat 31, and a brake pad 32 is installed on the brake pad mounting seat 31; or,

[0060] The brake foot assembly 28 includes: a housing 33 disposed on the outer periphery of the end of the lead screw 26 , a slide seat 29 threadedly connected to the end of the lead screw 26 and slidable in the housing 33 , and a brake pad 32 mounted on the outer side of the slide seat 29 .

[0061] The structure of the brake foot assembly 28 can be selected according to the size of the installation space. If the installation space at the bottom of the connecting beam assembly 9 is small, a brake foot assembly 28 with a lever 30 can be selected to bridge the connecting beam assembly 9. If there is a certain installation space at the bottom of the walking assembly 14, the brake foot assembly 28 without the lever 30 can be installed at the bottom of the walking assembly 14.

[0062] See also Figure 6 The inclined conveyor 2 includes: a discharging belt conveyor 34, a transition roller 35 installed at the feeding end of the discharging belt conveyor 34, a roller buffer 36 fixedly connected to the discharging end of the discharging belt conveyor 34, and a packing machine 37 fixedly connected to the discharging end of the roller buffer 36;

[0063] like Figure 7 As shown, the roller buffer 36 includes an electric roller and a free roller arranged at intervals; the electric roller is a rubber-coated roller, and the free roller is a smooth steel roller. Buffer side guide plates are arranged on both sides of the roller buffer 36. One end of the buffer connection beam arranged on the roller buffer 36 is fixedly connected to the bag inlet section frame of the unpacking lower conveyor belt conveyor; the other end of the buffer connection beam is the bag inlet end, which is fixedly connected to the bag outlet end of the frame of the unpacking belt conveyor 34. The function of the roller buffer 36 is mainly to buffer and convey the bags from the unpacking belt conveyor 34, complete the slow feeding to the unpacking machine 37, and prevent the bags from being torn due to excessive speed or asynchronous belt speed when entering the unpacking machine 37.

[0064] like Figure 8As shown, the unpacking machine 37 includes an upper unpacking compacting belt machine and a lower unpacking conveying belt machine which are arranged in parallel up and down. The upper unpacking compacting belt machine and the lower unpacking conveying belt machine are connected at both sides by a swing support rod to form an airborne parallelogram mechanism to realize the translational movement of the upper unpacking compacting belt machine relative to the lower unpacking conveying belt machine. In addition, an adjustment buffer is connected between the two to control the distance between the belts of the upper unpacking compacting belt machine and the lower unpacking conveying belt machine, thereby adapting to the height size of the bag and adjusting the compacting force during the bag shaping process.

[0065] A wire rack 38 is installed on the discharging belt conveyor 34. Fig. 9 As shown, the wiring rack 38 includes a wire trough beam 39, and reinforcement beams 40 are arranged below both sides of the wire trough beam 39 and in parallel with the wire trough beam 39. A fixing column 41 is connected between the wire trough beam 39 and the reinforcement beam 40. A plurality of support columns 42 are installed at the bottom of the reinforcement beam 40. The bottom of the support column 42 is fixedly connected to the frame of the discharge belt conveyor 34. A damping hinge 43 is installed on the wire trough beam 39, and a wire trough beam cover 44 is installed on the wire trough beam 39 through the damping hinge 43. A hose connector 45 is installed at one end of the wire trough beam 39. In the implementation, a plurality of louver holes can be opened on the bottom surface of the wire trough beam 39. The louver holes can effectively alleviate the accumulation of dust in the wire trough beam 39, and the louver holes can also be used to tie the pipelines in the wire trough beam 39. The wiring rack 38 can strengthen the rigidity of the discharge belt conveyor 34 while completing the laying of pipelines of various parts of the loader.

[0066] like Fig.10 and 11As shown, the connecting beam telescopic assembly 11 includes a fixed beam 46, a long rack mounting seat 47 vertically fixed to both ends of the fixed beam 46, a long rack 48 mounted on the long rack mounting seat 47, a sliding seat 49 spanning between the long rack mounting seats 47 and slidingly cooperating with the long rack mounting seats 47, the sliding seat 49 is fixedly connected to the inner wall of the connecting beam body assembly 10, a group of guide columns 50 are relatively installed above the sliding seat 49, a short rack mounting seat 51 that can slide up and down along the guide columns 50 is spanned and installed between the guide columns 50, a short rack 52 is installed at the bottom of the short rack mounting seat 51 at a position relative to the long rack 48, a spring 53 is sleeved on the guide column 50 between the sliding seat 49 and the short rack mounting seat 51, and a spring 53 is installed on the sliding seat 49 on one side of the short rack mounting seat 51 An electromagnet mounting seat 54 is provided, on which a clutch electromagnet 55 is vertically mounted. A lever 56 is provided on the sliding seat 49 between the clutch electromagnet 55 and the short rack mounting seat 51. The power arm end of the lever 56 is hinged to the rod end of the clutch electromagnet 55, and the resistance arm end of the lever 56 abuts against the top of the short rack mounting seat 51. When the clutch electromagnet 55 is energized, the power arm end of the lever 56 is sucked upward, and correspondingly, the resistance arm end of the lever 56 presses down the short rack mounting seat 51. During the pressing process, the elastic force of the spring 53 is overcome so that the long rack 48 and the short rack 52 are meshed with each other to achieve a rigid connection. When the clutch electromagnet 55 is de-energized, the spring 53 bounces up the short rack mounting seat 51, so that the long rack 48 and the short rack 52 are separated.

[0067] like Fig.12 , Fig.13 and Fig.14 As shown, the traveling assembly 14 includes a vehicle frame 57 of a rectangular frame structure, lifting guide shoes 58 are installed at relative positions on the upper and lower layers of the vehicle frame 57, a lifting drive device 59 is installed in the vehicle frame 57, and a traveling wheel 11 is installed at the bottom of the vehicle frame 57; the lifting drive device 59 can be a winch.

[0068] The lifting assembly 15 includes a lifting frame body 60 with a rectangular frame structure. The lifting frame body 60 is driven and connected to the lifting drive device 59. A lifting guide rail 61 is installed on the column of the lifting frame body 60. The lifting guide rail 61 and the lifting guide shoe 58 slide in cooperation to achieve the guiding function of the lifting frame body 60 when it is lifted or lowered in the frame 57.

[0069] See also Fig.15 , Fig.16 as well as Fig.17 As shown, the loading head 5 includes a main frame 62 that can be telescopically adjusted along the width direction of the carriage, and a draw plate assembly 63 and a pull plate assembly 64 installed in the main frame;

[0070] The drawer assembly 63 includes a middle drawer 65 located at the bottom of the main frame 62, a rolling curtain 66 fixedly connected to the left and right sides of the middle drawer 65, and a first synchronous pulley driving device installed on the main frame 62. The middle drawer 65 and the rolling curtain 66 are fixed on the first synchronous belt 67 of the first synchronous pulley driving device. The first synchronous belt 67 runs in a closed loop in the main frame 62 to drive the middle drawer 65 and the rolling curtain 66 to move left and right along the width direction of the carriage.

[0071] The paddle assembly 64 is located above the drawer assembly 63 and can paddle the bagged objects placed on the drawer assembly 63 along the width direction of the compartment, and block the bagged objects placed on the drawer assembly 63 during the drawing process of the drawer assembly 63 so that the bagged objects fall into the compartment.

[0072] The paddle assembly 64 includes a vertical paddle 68 slidably disposed in the main frame 62 and located above the drawer assembly, a second synchronous pulley drive device installed above the vertical paddle 68, and a top edge of the vertical paddle 68 is fixedly connected to a second synchronous belt 69 of the second synchronous pulley drive device.

[0073] The first synchronous pulley driving device includes a draw plate driving motor 70 installed in the main frame 62, a gear shaft 71 spanning the main frame 62 and drivingly connected to the draw plate driving motor 70, a driving synchronous wheel 72 is installed at both ends of the gear shaft 71 near the front and rear inner walls of the main frame 62, a driven synchronous wheel 73, a lifting idler wheel 74 and a grooved synchronous wheel 75 are installed on the front and rear inner walls of the main frame 62 to form a closed-loop operation mode with the driving synchronous wheel 72, and two front and rear groups of first synchronous belts 67 are respectively wound around the driving synchronous wheel 72, the driven synchronous wheel 73, the lifting idler wheel 74 and the grooved synchronous wheel 75, and a tensioning wheel 76 is installed on the main frame 62 on the outside of the first synchronous belt 67, and a lifting mechanism is provided on the main frame 62. The lifting idler wheel 74 can, under the action of the lifting mechanism, synchronously perform lifting and lowering movements during the telescopic adjustment process of the main frame 62.

[0074] See also Fig.18 , Fig.19 as well as Fig. 20 The main frame 62 includes a fixed frame 77, a left telescopic frame 78 and a right telescopic frame 79. The left telescopic frame 78 and the right telescopic frame 79 are respectively slidably connected to the left and right sides of the fixed frame 77. A left driving screw 80 and a right driving screw 81 are installed in the fixed frame 77. The output end of the left driving screw 80 is connected to the left telescopic frame 78, and the output end of the right driving screw 81 is connected to the right telescopic frame 79.

[0075] In implementation, the lifting mechanism may adopt an active lifting structure, such as a lifting screw, a lifting electric cylinder, a lifting cylinder and the like to realize the synchronous lifting and lowering movement of the lifting idler wheel during the telescopic adjustment of the main frame; the lifting mechanism may also adopt a passive lifting structure, specifically, it may include an oblique oblong hole 82 opened on the front and rear walls of the left telescopic frame 78 and the right telescopic frame 79, and a vertical oblong hole 83 opened on the fixed frame 77 at a position opposite to the oblique oblong hole 82;

[0076] The lifting idler wheel is slidably arranged in the oblique oblong hole 82 and the vertical oblong hole 83 to realize synchronous lifting and lowering movement during the telescopic adjustment process of the main frame 62.

[0077] In one implementation, the angle between the oblique oblong hole 82 and the vertical oblong hole 83 can be degrees. In this case, when the left telescopic frame 78 moves to the right by a length x, the first synchronous belt 67 connected to the left end driven synchronous wheel in the horizontal direction will become shorter by 2x, and at the same time the height of the lifting idler wheel 74 will be reduced by x, while the first synchronous belt 67 connected to the lifting idler wheel 74 in the vertical direction will increase by 2x, so that when the left telescopic frame 78 moves, the entire first synchronous belt 67 remains in a tensioned state.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A bagged goods loading machine, comprising: Horizontal conveyor, inclined conveyor, head lifting trolley, connecting beam and loading head; wherein one end of the connecting beam is connected to the output end of the horizontal conveyor through a hinge shaft, and the other end is rigidly connected to the head lifting trolley, the loading head is installed under the head lifting trolley, and the inclined conveyor belt is hinged to the connecting beam and the loading head respectively; it is characterized in that, The horizontal conveyor includes a feed belt conveyor, a driving wheel assembly and a driven wheel assembly installed at the bottom of the feed belt conveyor; The connecting beam includes a connecting beam body component and a connecting beam telescopic component. A traveling wheel is installed at the bottom of the connecting beam body component, and a trolley brake component is installed on the connecting beam body component. The connecting beam body component and the connecting beam telescopic component realize controllable separation / combination connection through a rack meshing structure, connecting the horizontal conveyor and the head lifting trolley into a non-rigid whole; The head lifting trolley includes a trolley brake assembly, a travel assembly and a lifting assembly. The trolley brake assembly is installed on the travel assembly. The lifting assembly can move up and down within the frame of the travel assembly, thereby driving the loading head installed at the bottom of the lifting assembly to complete the lifting action; When stacking and packing the vehicle vertically, the head lifting trolley is stopped by the trolley brake assembly, and the lifting assembly drives the loading head to lift and lower. The connecting beam assembly and the connecting beam telescopic assembly are in the split mode. The horizontal conveyor is driven by the driving wheel assembly to synchronize with the loading head. During the synchronous linkage process, the lifting speed of the loading head v 小车 With the horizontal conveyor moving speed v 大车 Satisfies the following expression: v 大车 =v 小车 / tanα Wherein, α represents the angle between the horizontal conveyor and the inclined conveyor.

2. The bagged goods loading machine according to claim 1, characterized in that: Both the large vehicle brake assembly and the small vehicle brake assembly include: a brake assembly bracket, a brake drive device installed on the brake assembly bracket, a lead screw rotatably connected across the brake assembly bracket, the lead screw is connected to the brake drive device through a gear structure, the threads at both ends of the lead screw have opposite rotation directions, and the brake foot assemblies are respectively threadedly connected at both ends of the lead screw.

3. The bagged goods loading machine according to claim 1, characterized in that: The brake foot assembly includes: a slide seat threadedly connected to the end of the lead screw, a lever rotatably connected to the bottom of the brake assembly bracket, one end of the lever is hinged to the slide seat, and the other end of the lever is equipped with a brake pad mounting seat, and a brake pad is mounted on the brake pad mounting seat; or, The brake foot assembly comprises: a shell arranged on the outer periphery of the end of the lead screw, a slide seat threadedly connected to the end of the lead screw and slidable in the shell, and a brake pad installed on the outer side of the slide seat.

4. The bagged goods loading machine according to claim 1, characterized in that: The inclined conveyor includes: a discharging belt conveyor, a transition roller installed at the feeding port end of the discharging belt conveyor, a roller buffer machine fixedly connected to the discharging port end of the discharging belt conveyor, and a bagging machine fixedly connected to the discharging port end of the roller buffer machine; The roller buffering machine comprises an electric roller and a free roller which are arranged at intervals, and the unpacking machine comprises an upper unpacking pressing belt conveyor and a lower unpacking conveying belt conveyor which are arranged in parallel up and down.

5. The bagged goods loading machine as claimed in claim 4, characterized in that: A wiring rack is installed on the unloading belt conveyor, and the wiring rack includes a wire trough beam. Reinforcing beams are arranged below both sides of the wire trough beam and in parallel with the wire trough beam. Fixed columns are connected between the wire trough beam and the reinforcing beam. Multiple supporting columns are installed at the bottom of the reinforcing beam. The bottom of the supporting columns is fixedly connected to the frame of the unloading belt conveyor. A damping hinge is installed on the wire trough beam, and a wire trough beam cover is installed on the wire trough beam through the damping hinge. A hose connector is installed at one end of the wire trough beam.

6. The bagged goods loading machine according to claim 1, characterized in that: The cam is an angular channel structure formed between a pair of camshafts and a plurality of camshafts, the cam being abutted against the toothed track by the spring which is located adjacent to the toothed track when the camshaft is moved upwards to move the toothed track.

7. The bagged goods loading machine according to claim 1, characterized in that: The walking assembly includes a frame of a rectangular frame structure, a lifting guide shoe is installed at the relative position of the upper and lower layers of the frame, a lifting drive device is installed in the frame, and a walking wheel is installed at the bottom of the frame; The lifting assembly includes a lifting frame body with a rectangular frame structure, the lifting frame body is connected to the lifting drive device, and a lifting guide rail is installed on the column of the lifting frame body. The lifting guide rail and the lifting guide shoe slide in cooperation to achieve the guiding effect of the lifting frame body when it is lifted or lowered in the frame.

8. The bagged goods loading machine according to claim 1, characterized in that: The loading head includes a main frame capable of telescopic adjustment along the width direction of the carriage, and a draw plate assembly and a pull plate assembly installed in the main frame; The drawer assembly includes a middle drawer located at the bottom of the main frame, rolling curtains fixedly connected to the left and right sides of the middle drawer, and a first synchronous pulley driving device installed on the main frame. The middle drawer and the rolling curtain are fixed on the first synchronous belt of the first synchronous pulley driving device. The first synchronous belt runs in a closed loop in the main frame to drive the middle drawer and the rolling curtain to move left and right along the width direction of the carriage. The paddle assembly is located above the draw plate assembly and can paddle the bagged objects placed on the draw plate assembly along the width direction of the compartment, and during the drawing process of the draw plate assembly, the bagged objects placed on the draw plate assembly are blocked so that the bagged objects fall into the compartment.

9. The bagged goods loading machine as claimed in claim 8, characterized in that: The main frame includes a fixed frame, a left telescopic frame and a right telescopic frame. The left telescopic frame and the right telescopic frame are respectively slidably connected to the left and right sides of the fixed frame. A left driving screw and a right driving screw are installed in the fixed frame. The output end of the left driving screw is connected to the left telescopic frame, and the output end of the right driving screw is connected to the right telescopic frame.

10. The bagged goods loading machine as claimed in claim 8, characterized in that: The paddle assembly includes a vertical paddle slidably arranged in the main frame and located above the drawer assembly, a second synchronous pulley drive device installed above the vertical paddle, and a top edge of the vertical paddle is fixedly connected to the second synchronous belt of the second synchronous pulley drive device.

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