Chain type conveying device

Abstract

The utility model relates to the technical field of conveying, in particular to a chain type conveying device. A working disc is installed on the machine frame, a driving mechanism and a driven mechanism are installed in the working disc, the driving mechanism and the driven mechanism are connected through a large-pitch traction chain, a plurality of tool tray mechanisms are installed on the large-pitch traction chain, and a detection mechanism for detecting work is installed on the working disc. A chain supporting block matched with a large-pitch traction chain is installed on the bottom face of the tool plate, and a plurality of tool trays are installed on the plate face of the tool plate. A plurality of supporting seats matched with workpieces are installed on the periphery of the plate face of the supporting plate, and a plurality of positioning pins are installed in an area defined by the supporting seats. The device is used in the conveying and assembling work site of heavy objects. And a positioning pin and a supporting seat are arranged on the tool plate, and the workpiece is supported and limited at the same time so as to meet the precision requirement when the workpiece is in butt joint with the next sequence. And a group of safety light curtain and an anti-pinch protective plate are added, so that the device is safe and reliable, and the working condition is dynamically observed in real time during automatic operation.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying, in particular to a chain conveying device. Background Art

[0002] Chain conveyors are suitable for situations where the weight is large and a certain degree of precision is required for feeding. They are often used in assembly or processing of various types of motorcycles, automobile assembly, brakes, engines, etc.

[0003] The existing belt conveyor is generally used. The belt conveyor has strong applicability, good flexibility, and reliable operation. It has been widely used in industrial production, especially in occasions that require efficient and large-scale material transportation. However, it still has the following disadvantages in occasions where the weight is large and there are certain requirements for feeding accuracy:

[0004] First: There are many types of workpieces to be transported, and it is difficult to accommodate irregular workpieces. Multiple tooling pallets and positioning equipment are required, which usually occupies a large area and the space cannot be fully utilized, resulting in space waste and unable to meet the precision requirements of docking with the next process;

[0005] Second: It is not suitable for conveying at a large inclination angle and a small bending radius. It is only suitable for short-distance conveying. The traction strength is poor, especially not practical for conveying and assembling heavy workpieces.

[0006] Third: The safety factor is low during the manual loading process, causing destructive harm to workers and institutions. Summary of the invention

[0007] The technical problem to be solved by the present invention is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a chain conveying device is provided for use in the transportation and assembly of heavier objects; the workpiece is supported and limited at the same time to meet the accuracy requirements when docking with the next sequence.

[0008] The technical solution adopted by the utility model to solve the technical problem is: a chain conveyor device, including a frame, a working disk is installed on the frame, an active mechanism and a driven mechanism are installed in the working disk, the active mechanism and the driven mechanism are connected by a large pitch traction chain, a plurality of tooling tray mechanisms are installed on the large pitch traction chain, and a detection mechanism for detecting work is installed on the working disk;

[0009] Each tooling pallet mechanism includes a tooling plate, a chain support block matching a large pitch traction chain is installed on the bottom surface of the tooling plate, and a plurality of tooling pallets are installed on the plate surface of the tooling plate;

[0010] Each tooling pallet comprises a support plate, a plurality of support seats matching with the workpieces are installed on the periphery of the plate surface of the support plate, and a plurality of positioning pins are installed in the area surrounded by the plurality of support seats.

[0011] Furthermore, the active mechanism includes a reduction motor, a first bearing with a seat and a second bearing with a seat, a driving shaft is installed between the first bearing with a seat and the second bearing with a seat, the output end of the reduction motor is connected to the driving shaft to drive the driving shaft to rotate, and driving wheels are installed at both ends of the driving shaft, one end of the driving wheel is against the driving shaft, and a first fixing ring is sleeved on the driving shaft at the other end of the driving wheel.

[0012] Furthermore, the driven mechanism includes a driven shaft, driven wheels are installed at both ends of the driven shaft, one end of the driven wheel is against the driven shaft, a second fixing ring is sleeved on the driven shaft at the other end of the driven wheel, and tensioning mechanisms are installed at both ends of the driven shaft.

[0013] Furthermore, both the driving shaft and the driven shaft are stepped shafts, and screw holes are provided on the shaft bodies of the driving shaft and the driven shaft, and the screw holes are arranged close to the fixing ring.

[0014] Furthermore, the tensioning mechanism includes a mounting plate, a notch for inserting the driven shaft is provided on the plate surface of the mounting plate, guide strips are installed at both upper and lower ends of the plate surface of the mounting plate, the two guide strips are arranged close to the notch, and the two guide strips are assembled to form a guide groove, a bearing with a seat sliding thereon is installed in the guide groove, and the driven shaft is inserted into the bearing with a seat;

[0015] A tension block is installed on one side of the mounting plate, and the tension block is connected to the seat bearing through an adjusting screw.

[0016] Furthermore, the detection mechanism includes a deceleration quasi-stop sensor, a material presence detection sensor, a material overload detection sensor and a safety light curtain, the working disk includes a left side plate, a right side plate, a front side plate and a rear side plate, the left end of the working disk is a material unloading end, the right end of the working disk is a material loading end, and a plurality of material absence detection sensors are installed on the left side plate, each material absence detection sensor corresponds to a tooling tray in the tooling tray mechanism;

[0017] Over-material detection sensors are installed at the unloading ends of the front and rear side panels, and safety light curtains are installed at the loading ends of the front and rear side panels;

[0018] A deceleration and accurate stop sensor is installed at the unloading end of the rear side plate.

[0019] Furthermore, a water receiving tray is installed on the frame, and the water receiving tray is located below the working tray.

[0020] Furthermore, long holes are provided on the plate surfaces of the loading end and the unloading end of the front side plate and the rear side plate in the working disk, and the driving shaft in the active mechanism and the driven shaft in the driven mechanism are clamped in the corresponding long holes.

[0021] Furthermore, a controller, a button assembly and an anti-pinch guard plate are installed on the side of the work disk, and the anti-pinch guard plate is arranged close to the safety light curtain.

[0022] Beneficial effects of the utility model: The utility model adopts a large pitch traction chain as the conveying medium, drags the tooling plate and workpiece fixed on the traction chain to achieve changes in displacement, and the length of the line can be selected and adjusted according to the output. Since the line structure is strong and the maximum load-bearing weight per meter is large, it is generally used in the conveying and assembly operations of heavier objects; the conveying speed of the line is adjustable. The tooling plate is provided with positioning pins and support seats. When conveying the workpiece, the workpiece is supported and limited at the same time to meet the accuracy requirements when docking with the next sequence.

[0023] A set of safety light curtains and anti-pinch guards are added at the manual loading end of the material channel, making the manual operation process safer and more reliable. At the same time, during automatic operation, personnel participate in it and dynamically observe the working conditions in real time. When an emergency occurs, personnel will shut down the equipment immediately to avoid destructive damage to the mechanism and workpiece, extend the service life of the product and maximize benefits.

[0024] Through the operation of the assembly line, the workpiece conveying efficiency can be effectively improved, thereby improving the workpiece quality, saving personnel costs, reducing the company's manufacturing and production operating costs, and improving the company's competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the tooling tray mechanism of the utility model;

[0028] Figure 3 This utility model Figure 2 A schematic diagram of the structure in another direction;

[0029] Figure 4 It is a structural schematic diagram of the active mechanism of the utility model;

[0030] Figure 5 It is a structural schematic diagram of the driven mechanism of the utility model;

[0031] Figure 6 It is a structural schematic diagram of the driving shaft or driven shaft of the utility model;

[0032] Figure 7 It is a partial enlarged view of the P part of the utility model;

[0033] In the figure: 1, driving shaft; 2, driving wheel; 3, first bearing with seat; 5, second bearing with seat; 9, frame; 10, first fixing ring; 11, reduction motor;

[0034] 4. Driven shaft; 6. Driven wheel; 7. Second fixing ring; 8. Screw hole;

[0035] 12. Support seat; 13. Support plate; 14. Positioning pin; 19. Tooling plate; 20. Chain support block; 21. Working plate; 22. Left side plate; 23. Right side plate; 24. Long hole; 25. Large pitch traction chain; 26. Front side plate; 27. Rear side plate; 28. Water tray; 33. Material detection sensor; 34. Over-material detection sensor; 35. Deceleration and accurate stop sensor; 46. Safety light curtain; 50. Anti-pinch guard plate;

[0036] 62. Adjusting screw; 63. Notch; 64. Mounting plate; 65. Guide strip; 66. Tensioner; 69. Bearing with seat. DETAILED DESCRIPTION

[0037] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0038] like Figures 1 to 7 A chain conveyor device is shown, in which a manipulator is placed at the unloading end of the device, including a frame 9, a working disk 21 is installed on the frame 9, and an active mechanism and a driven mechanism are installed in the working disk 21. The active mechanism and the driven mechanism are connected by a large pitch traction chain 25, and a plurality of tooling tray mechanisms are installed on the large pitch traction chain 25. A detection mechanism for detecting the work is installed on the working disk 21;

[0039] like Figures 2-3 As shown, each tooling pallet mechanism includes a tooling plate 19, a chain support block 20 matching with a large pitch traction chain 25 is installed on the bottom surface of the tooling plate 19, and a plurality of tooling pallets are installed on the plate surface of the tooling plate 19;

[0040] Each tooling pallet includes a support plate 13, on the periphery of which a plurality of support seats 12 matching the workpieces are installed, and in the area surrounded by the plurality of support seats 12 a plurality of positioning pins 14 are installed to support and position the workpieces, with a gap of 0.5 mm reserved between the positioning pins 14 and the workpieces to meet the feeding requirements while ensuring the accuracy requirements for grabbing the workpieces in the next sequence; multiple sets of support plates 13 are installed on the tooling plate 19 to meet the processing rhythm requirements while optimizing the space utilization; there are 4 chain support blocks 20 at the bottom of the tooling plate 19, which are connected to the large-pitch traction chain 25.

[0041] like Figure 4 As shown, the active mechanism includes a reduction motor 11, a first bearing with a seat 3 and a second bearing with a seat 5, a driving shaft 1 is installed between the first bearing with a seat 3 and the second bearing with a seat 5, the output end of the reduction motor 11 is connected to the driving shaft 1 to drive the driving shaft 1 to rotate, a keyway is processed at the connection to transmit power, and driving wheels 2 are installed at both ends of the driving shaft 1, one end of the driving wheel 2 is against the driving shaft 1, and a first fixing ring 10 is sleeved on the driving shaft 1 at the other end of the driving wheel 2, and the first fixing ring 10 locks the driving wheel 2 to prevent the axial movement of the driving wheel 2.

[0042] like Figure 5 As shown, the driven mechanism includes a driven shaft 4, and driven wheels 6 are installed at both ends of the driven shaft 4. One end of the driven wheel 6 is against the driven shaft 4, and a second fixing ring 7 is sleeved on the driven shaft 4 at the other end of the driven wheel 6. The second fixing ring 7 locks the driven wheel 6 to prevent axial movement of the driven wheel 6; tensioning mechanisms are installed at both ends of the driven shaft 4.

[0043] like Figure 6 As shown, the driving shaft 1 and the driven shaft 4 are both stepped shafts for axially limiting the driving wheel 2 or the driven wheel 6. The driving shaft 1 and the driven shaft 4 are both provided with screw holes 8, which are arranged close to the fixing ring.

[0044] like Figure 7 As shown, the outer cover of the tensioning mechanism is provided with a protective sheet metal, and the tensioning mechanism includes a mounting plate 64, on which a notch 63 for the driven shaft 4 to be inserted is provided, and guide bars 65 are installed at both upper and lower ends of the mounting plate 64, and the two guide bars 65 are arranged close to the notch 63, and the two guide bars 65 are assembled to form a guide groove, in which a bearing 69 with a seat sliding thereon is installed, and the driven shaft 4 is inserted into the bearing 69 with a seat, wherein an installation gap is left between the guide bar 65 and the mounting plate 64;

[0045] A tensioning block 66 is installed on one side of the mounting plate 64. A threaded hole parallel to the mounting plate 64 is machined on the tensioning block 66. The tensioning block 66 is connected to the seat bearing 69 through an adjusting screw 62. The adjusting screw 62 contacts the groove surface of the seat bearing 69 here, and the tension of the large-pitch traction chain 25 is adjusted by limiting the seat bearing 69.

[0046] Specifically, remove the protective sheet metal of the tensioning end bearing seat; tighten the chain by adjusting the adjusting screw 62; and lock the adjusting screw 62 after the adjustment is completed.

[0047] like Figure 1As shown, the detection mechanism includes a deceleration quasi-stop sensor 35, a material presence detection sensor 33, a material overload detection sensor 34 and a safety light curtain 46. The working disk 21 includes a left side plate 22, a right side plate 23, a front side plate 26 and a rear side plate 27. The left end of the working disk 21 is a material unloading end, and the right end of the working disk 21 is a material loading end. A plurality of material absence detection sensors 33 are installed on the left side plate 22, and each material absence detection sensor 33 corresponds to a tooling tray in the tooling tray mechanism.

[0048] Over-material detection sensors 34 are installed at the unloading ends of the front side plate 26 and the rear side plate 27, and the material absence detection sensor 33 and over-material detection sensor 34 are installed at the unloading position at the unloading end of the material channel to cooperate with the robot to load the materials.

[0049] Safety light curtains 46 are installed at the feeding ends of the front side plate 26 and the rear side plate 27. The safety light curtains 46 are installed at the manual feeding end of the material channel to ensure safety during manual feeding.

[0050] The unloading end of the rear side plate 27 is equipped with a deceleration and accurate stop sensor 35 to cooperate with the robot to grab the material;

[0051] like Figure 1 As shown, a water receiving tray 28 is installed on the frame 9 , and the water receiving tray 28 is located below the working tray 21 .

[0052] like Figure 1 As shown, long holes 24 are opened on the plate surfaces of the loading end and the unloading end of the front side plate 26 and the rear side plate 27 in the working disk 21, and the driving shaft 1 in the driving mechanism and the driven shaft 4 in the driven mechanism are clamped in the corresponding long holes 24.

[0053] like Figure 1 As shown, a controller, a button assembly and an anti-pinch guard plate 50 are installed on the side of the working disk 21 , and the anti-pinch guard plate 50 is arranged close to the safety light curtain 46 .

[0054] Workflow: Take the installation of three tooling pallets on each tooling pallet mechanism as an example;

[0055] Step 1: Manually load materials onto the tooling tray at the loading end;

[0056] Step 2: The reduction motor 11 is started, driving the tooling tray mechanism on the large pitch traction chain 25 to step to the reduction quasi-stop sensor 35;

[0057] Step 3: When the material detection sensor 33 at the unloading end detects the workpiece, the robot cooperates to grab the material;

[0058] Step 4: When the three material detection sensors 33 at the unloading end all detect that there is no material, the reduction motor 11 starts again, driving the upper and lower tooling tray mechanisms of the large pitch traction chain 25 to step to the reduction quasi-stop sensor 35, and repeats the above actions;

[0059] At the same time, the unloading end is equipped with a material overrun detection sensor 34, which is used in conjunction with the material absence detection sensor 33 to prevent the material channel from running when the robot does not grab the workpiece.

[0060] In summary, it is suitable for occasions with heavy weight and certain precision requirements for feeding, and is often used in various motorcycles, automobile assembly, brakes, engines and other assembly or processing occasions. The line structure is sturdy and the maximum load-bearing weight per meter is large; the line conveying speed is adjustable. The tooling board is equipped with positioning pins and support seats. When conveying products, the workpiece is supported and limited at the same time to meet the precision requirements when docking with the next sequence; at the same time, the position of the positioning pins and support seats is adjusted according to the shape of the workpiece, thereby increasing the scope of use. Compared with belt conveyors, it can be transported at larger inclination angles and smaller bending radii. Therefore, it has a wide range of applications, large conveying capacity, high traction chain strength, can be used for long-distance transportation, flexible conveyor line layout, and stable and reliable operation.

[0061] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A chain conveyor device, characterized in that: The machine comprises a frame (9), a working disk (21) is mounted on the frame (9), a driving mechanism and a driven mechanism are mounted in the working disk (21), the driving mechanism and the driven mechanism are connected via a large pitch traction chain (25), a plurality of tooling tray mechanisms are mounted on the large pitch traction chain (25), and a detection mechanism for detecting work is mounted on the working disk (21); Each tooling pallet mechanism comprises a tooling plate (19), a chain support block (20) matched with a large pitch traction chain (25) is installed on the bottom surface of the tooling plate (19), and a plurality of tooling pallets are installed on the plate surface of the tooling plate (19); Each tooling pallet comprises a support plate (13), a plurality of support seats (12) matched with the workpieces are installed on the periphery of the plate surface of the support plate (13), and a plurality of positioning pins (14) are installed in the area surrounded by the plurality of support seats (12).

2. A chain conveyor device according to claim 1, characterized in that: The active mechanism comprises a reduction motor (11), a first bearing with a seat (3) and a second bearing with a seat (5); a driving shaft (1) is installed between the first bearing with a seat (3) and the second bearing with a seat (5); the output end of the reduction motor (11) is connected to the driving shaft (1) to drive the driving shaft (1) to rotate; driving wheels (2) are installed at both ends of the driving shaft (1); one end of the driving wheel (2) is against the driving shaft (1), and a first fixing ring (10) is sleeved on the driving shaft (1) at the other end of the driving wheel (2).

3. A chain conveyor device according to claim 1, characterized in that: The driven mechanism comprises a driven shaft (4), driven wheels (6) are installed at both ends of the driven shaft (4), one end of the driven wheel (6) abuts against the driven shaft (4), a second fixing ring (7) is sleeved on the driven shaft (4) at the other end of the driven wheel (6), and tensioning mechanisms are installed at both ends of the driven shaft (4).

4. A chain conveyor device according to claim 1, characterized in that: The driving shaft (1) in the active mechanism and the driven shaft (4) in the driven mechanism are both stepped shafts. The shaft bodies of the driving shaft (1) and the driven shaft (4) are both provided with screw holes (8), and the screw holes (8) are arranged close to the fixing ring.

5. A chain conveyor device according to claim 3, characterized in that: The tensioning mechanism comprises a mounting plate (64), a notch (63) for inserting the driven shaft (4) is formed on the plate surface of the mounting plate (64), guide strips (65) are installed at both upper and lower ends of the plate surface of the mounting plate (64), the two guide strips (65) are arranged close to the notch (63), and the two guide strips (65) are assembled to form a guide groove, a bearing (69) with a seat sliding thereon is installed in the guide groove, and the driven shaft (4) is inserted into the bearing (69) with a seat; A tension block (66) is installed on one side of the mounting plate (64), and the tension block (66) is connected to the seat bearing (69) via an adjusting screw (62).

6. A chain conveyor device according to claim 1, characterized in that: The detection mechanism comprises a deceleration quasi-stop sensor (35), a material presence detection sensor (33), a material overload detection sensor (34) and a safety light curtain (46); the working disk (21) comprises a left side plate (22), a right side plate (23), a front side plate (26) and a rear side plate (27); the left end of the working disk (21) is a material unloading end, the right end of the working disk (21) is a material loading end, and a plurality of material absence detection sensors (33) are installed on the left side plate (22); each material absence detection sensor (33) corresponds to a tooling tray in the tooling tray mechanism; The unloading ends of the front side plate (26) and the rear side plate (27) are equipped with over-material detection sensors (34), and the loading ends of the front side plate (26) and the rear side plate (27) are equipped with safety light curtains (46); A deceleration accurate stop sensor (35) is installed at the unloading end of the rear side plate (27).

7. A chain conveyor device according to claim 1, characterized in that: A water receiving tray (28) is installed on the frame (9), and the water receiving tray (28) is located below the working tray (21).

8. A chain conveyor device according to claim 1, characterized in that: Long holes (24) are provided on the plate surfaces of the loading end and the unloading end of the front side plate (26) and the rear side plate (27) in the working disk (21), and the driving shaft (1) in the driving mechanism and the driven shaft (4) in the driven mechanism are clamped in the corresponding long holes (24).

9. A chain conveyor device according to claim 1, characterized in that: A controller, a button assembly and a finger pinch protection plate (50) are installed on the side of the working disk (21), and the finger pinch protection plate (50) is arranged close to the safety light curtain (46).

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