CN107618708B

CN107618708B - Loop-shaped conveying device

Info

Publication number: CN107618708B
Application number: CN201710808007.XA
Authority: CN
Inventors: 赵利俊; 梁子卿
Original assignee: Shenzhen Meister Biomedical Engineering Co ltd
Current assignee: Shenzhen Meister Biomedical Engineering Co ltd
Priority date: 2017-09-08
Filing date: 2017-09-08
Publication date: 2023-07-14
Anticipated expiration: 2037-09-08
Also published as: CN107618708A

Abstract

The invention discloses a loop-shaped conveying device, which comprises a conveying workbench and a plurality of bearing seats, wherein the conveying workbench comprises a conveying track and a conveying mechanism, the conveying track is in a loop shape, and the bearing seats are slidably arranged on the loop-shaped conveying track and can slide along the loop-shaped conveying track to convey circulation to change positions under the action of the conveying mechanism. The invention adopts the loop-shaped conveying track to place the bearing seat, can occupy the space in a workshop as little as possible, does not need to be additionally carried through the assembly line design of the empty tray backflow, saves labor, can improve the working efficiency, and can solve the problems of easy damage, pollution and deviation when the blood bag is directly placed on the transfer belt.

Description

Loop-shaped conveying device

Technical Field

The invention relates to a production line, in particular to a loop-shaped conveying device.

Background

At present, domestic production lines are mainly divided into automatic belt lines and unpowered roller lines. The automatic belt assembly line mainly plays a role in carrying, but only can take down a workpiece for operation, and operation cannot be performed on the basis of not separating from a belt. The unpowered roller line can be operated on the unpowered roller line, but the conveying is realized manually, and the positioning treatment cannot be performed, namely, the workpiece can move in the operation process, so that the operation is difficult.

The traditional assembly line is a long single-layer belt line, stations are arranged at two sides of the assembly line, so that a workshop is narrow and crowded, and especially at two ends of the assembly line and at the station at the head end of the assembly line, products and empty product bearing seats are stacked, and a quite large position is occupied, so that the workshop is more crowded. After the empty bearing seat is used, an area is also divided at the tail end of the assembly line to stack the empty bearing seat, and the empty bearing seat is transported to the head end of the assembly line, so that labor is wasted, and a quite large space is occupied, and therefore, the traditional assembly line needs to be improved.

In particular, in the medical biology industry, before a blood collection mechanism sends a blood bag to a blood unit, the blood bag needs to be subjected to procedures such as labeling, checking, secondary packaging, heat sealing and the like. At present, most of the procedures are manually completed, blood bags are conveyed to stations of all the procedures by adopting a traditional assembly line device, and the blood bags can be clamped by gaps between the belt and the guide rail or clamped between the rollers in the conveying process of the belt or the unpowered roller, so that the blood bags are damaged.

Disclosure of Invention

The invention aims to provide a loop-shaped conveying device which occupies as little space in a workshop as possible, improves working efficiency, and can solve the problems that blood bags are easy to damage, pollute and deflect when being directly placed on a conveying belt.

In order to achieve the above object, the present invention provides a loop-shaped conveying device, which includes a conveying table and a plurality of carrying seats, wherein the conveying table includes a conveying track and a conveying mechanism, the conveying track is loop-shaped, and the plurality of carrying seats are slidably mounted on the loop-shaped conveying track and can slide along the loop-shaped conveying track to convey circulation to change positions under the action of the conveying mechanism.

Preferably, the loop-shaped conveying track is rectangular, and at least one bearing seat is not placed at a position of the bearing seat on the loop-shaped conveying track, so that the plurality of bearing seats can convey circulation on the loop-shaped conveying track.

Preferably, the conveying workbench further comprises a substrate, an inner baffle strip and an outer frame, wherein the substrate is rectangular, the inner baffle strip and the outer frame are arranged on the substrate, the inner baffle strip is arranged in the outer frame, the substrate, the inner baffle strip and the outer frame enclose a loop-shaped conveying track, a first chute and a second chute are respectively formed in the inner side and the outer side of the loop-shaped conveying track, and the opposite ends of the bearing seat are respectively inserted into the first chute and the second chute.

Preferably, the conveying mechanism comprises a transverse conveying power mechanism for driving the bearing seat to transversely move and a longitudinal conveying power mechanism for driving the bearing seat to longitudinally move, the transverse conveying power mechanism and the longitudinal conveying power mechanism are both installed on the lower side of the substrate, the substrate is provided with a first hollow corresponding to the transverse conveying power mechanism and a second hollow corresponding to the longitudinal conveying power mechanism, so that the transverse conveying power mechanism and the longitudinal conveying power mechanism can penetrate through the substrate to act on the bearing seat, the number of the transverse conveying power mechanisms is two, two transverse edges corresponding to the conveying tracks respectively are diagonally arranged, and the number of the longitudinal conveying power mechanisms is two, and two longitudinal edges corresponding to the conveying tracks respectively are diagonally arranged.

Preferably, the transverse transmission power mechanism comprises a first mounting seat, a transverse linear guide rail, a first sliding block, a first driving piece and a check assembly, wherein the first mounting seat is fixedly connected with the base plate, the transverse linear guide rail is transversely mounted on the first mounting seat, the first sliding block is arranged on the transverse linear guide rail and can slide along the transverse linear guide rail, the check assembly is mounted on the first sliding block, the first driving piece is connected with the first sliding block to drive the first sliding block to slide back and forth along the transverse linear guide rail, and the check assembly can transversely push and transmit the bearing seat to each station and can smoothly retract to the original position after transversely moving to prevent the bearing seat after transversely moving to retract to the original position.

Preferably, the transverse transmission power mechanism further comprises a first limit screw and a first buffer, wherein the first limit screw and the first buffer are arranged on the first mounting seat and are positioned at the front side of the movement direction of the check assembly; and/or

The transverse transmission power mechanism further comprises two first groove-shaped photoelectric sensors, the two first groove-shaped photoelectric sensors are arranged at two transverse ends of the side edge of the transverse linear guide rail, and the side edge of the first sliding block is correspondingly fixed with a first baffle.

Preferably, the longitudinal transmission power mechanism comprises a second installation seat, a longitudinal linear guide rail, a second sliding block, a second driving piece and a check assembly, wherein the second installation seat is fixedly connected with the base plate, the longitudinal linear guide rail is longitudinally installed on the second installation seat, the second sliding block is arranged on the longitudinal linear guide rail and can slide along the longitudinal linear guide rail, the check assembly is installed on the second sliding block, the second driving piece is connected with the second sliding block to drive the second sliding block to slide back and forth along the longitudinal linear guide rail, and the check assembly longitudinally pushes and transmits the bearing seat to each station and can smoothly retract to the original position after longitudinally moving to prevent the bearing seat from retracting to the original position after longitudinally moving.

Preferably, the longitudinal transmission power mechanism further comprises a second limit screw and a second buffer, wherein the second limit screw and the second buffer are arranged on the second mounting seat and positioned at the front side of the movement direction of the check assembly; and/or

The longitudinal transmission power mechanism further comprises two second groove-shaped photoelectric sensors, the two second groove-shaped photoelectric sensors are arranged at two longitudinal ends of the side edge of the longitudinal linear guide rail, and a second baffle plate is correspondingly fixed on the side edge of the second sliding block.

Preferably, the loop-shaped conveying device further comprises a disqualified workpiece discharging mechanism, the disqualified workpiece discharging mechanism is arranged at one of four corners of the loop-shaped conveying track, the disqualified workpiece discharging mechanism comprises a third mounting seat, a third driving piece, a third sliding block, a fourth driving piece, a fourth sliding block and a baffle plate, the third mounting seat is fixedly connected with the substrate, the third driving piece is mounted on the third mounting seat, the third sliding block is connected with the third driving piece, the fourth driving piece is mounted on the third sliding block, the fourth sliding block is connected to the top end of the fourth driving piece, the baffle plate is mounted on the fourth sliding block, the fourth sliding block and the baffle plate can be driven to move up and down together through the fourth driving piece, and the third sliding block and the fourth driving piece mounted on the third sliding block can be driven to move horizontally together through the third driving piece, and the fourth sliding block and the baffle plate so as to discharge disqualified workpieces from the bearing seat.

Preferably, the reject workpiece discharging mechanism further includes a discharge guide provided outside the conveying rail for guiding the discharged reject workpiece.

Preferably, the carrying seat comprises a supporting plate and a tray, the tray is carried on the supporting plate and detachably connected with the supporting plate, a containing part for containing the workpiece is formed on the tray, and the tray of the carrying seat can be taken off from the supporting plate to transfer the processed workpiece and the tray to external equipment for executing the next procedure.

Preferably, the support plate is provided with a positioning hole, the loop-shaped conveying device further comprises a positioning nail capable of moving up and down, and the positioning nail is arranged on the lower side of the base plate and can pass through the base plate upwards to be aligned with the positioning hole on the support plate; and/or

The tray is characterized in that a sensor hole is formed in the supporting plate, the loop-shaped conveying device further comprises a photoelectric sensor, and the photoelectric sensor is arranged on the lower side of the substrate and can detect whether a tray is placed on the supporting plate through the sensor hole in the supporting plate.

Preferably, the loop-shaped conveying device is used for conveying blood bags, and the loop-shaped conveying track is sequentially provided with seven stations for bleeding bags, defrosting, labeling, warming, detecting label information, moving out qualified blood bags and removing unqualified products along the conveying direction.

According to the back-shaped conveying device, the back-shaped conveying rail is used for placing the bearing seat, so that the space in a workshop can be occupied as little as possible, and the back-flow assembly line design of the empty tray is adopted, so that additional conveying is not needed, labor is saved, and meanwhile, the working efficiency can be improved. Through setting up separable layer board and tray with the carrier seat, when being applied to conveying blood bag, blood bag all places on the tray in whole transportation process, can not direct with remove the face contact, furthest stop blood bag by the emergence of clamp (rollback) scheduling problem in the removal process, reduce the blood bag and break down the waste that leads to because of the equipment reason, solved current blood bag and directly put on the conveyer belt and easily damaged, pollute, put the off normal problem.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a loop-shaped conveying device of the present invention.

Fig. 2 is a schematic structural view of a carrier in the loop-shaped conveying device shown in fig. 1.

Fig. 3 is a schematic view of the bearing seat shown in fig. 2 from another angle.

Fig. 4 is an exploded view of the carrier shown in fig. 3.

Fig. 5 is a bottom view of the carrier shown in fig. 2.

Fig. 6 is a schematic structural view of the loop-shaped conveying device shown in fig. 1 after the carrier is removed.

Fig. 7 is a schematic view of a substrate structure in the loop-shaped conveying device shown in fig. 1.

Fig. 8 is a schematic view of a transverse-transfer power mechanism in the loop-type transfer device shown in fig. 1.

Fig. 9 is a schematic view of a longitudinal conveying power mechanism in the loop conveyor of fig. 1.

Fig. 10 is a schematic view of the structure of the check assembly in the lateral transmission power mechanism shown in fig. 8 or the longitudinal transmission power mechanism shown in fig. 9.

Fig. 11 is a schematic view of a reject workpiece ejection mechanism in the loop-back conveyor of fig. 1.

Fig. 12 is a schematic view of the reject mechanism of fig. 11 from another angle.

Fig. 13 is a schematic diagram illustrating the operation of the loop conveyor shown in fig. 1.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.

Fig. 1 to 13 show an embodiment of the loop-shaped conveying device of the present invention. In this embodiment, the loop-shaped conveying device includes a conveying table 3 and a plurality of carrying seats 1. The transfer table 3 includes a transfer rail 31 and a transfer mechanism 33. The conveying rail 31 is in a shape of a loop, and the plurality of bearing seats 1 are slidably arranged on the loop-shaped conveying rail 31 and can slide along the loop-shaped conveying rail 31 to convey circulation to change positions under the action of the conveying mechanism 33.

The return conveyor track 31 may be rectangular, circular, or other return structure that enables transfer flow. Specifically, in the present embodiment, the loop-shaped conveying track 31 is rectangular, and the position of at least one bearing seat 1 on the loop-shaped conveying track 31 is not placed with the bearing seat 1, so that a plurality of bearing seats 1 can convey circulation on the loop-shaped conveying track 31.

The carrying base 1 includes a pallet 11 and a tray 12, the tray 12 is carried on the pallet 11 and detachably connected with the pallet 11, a receiving portion 123 for receiving the workpiece 2 is formed on the tray 12, and the tray 12 of the carrying base 1 can be removed from the pallet 11 to transfer the processed workpiece 2 together with the tray 12 to an external apparatus for performing the next process.

Referring to fig. 6 and 7, the conveying table 3 further includes a substrate 311 having a rectangular shape as a whole, an inner barrier strip 312 and an outer frame 313 having a rectangular shape, wherein the inner barrier strip 312 and the outer frame 313 are both disposed on the substrate 311, the inner barrier strip 312 is disposed in the outer frame 313, the substrate 311, the inner barrier strip 312 and the outer frame 313 enclose a loop-shaped conveying track 31, a first chute 301 and a second chute 302 are respectively formed on the inner and outer sides of the loop-shaped conveying track 31, and opposite ends of the pallet 11 of the carrying seat 1 are respectively inserted into the first chute 301 and the second chute 302, so as to prevent the pallet 11 from being separated from the conveying track 31. When the supporting plate 11 moves transversely, two longitudinal ends of the supporting plate 11 are respectively inserted into the first sliding groove 301 and the second sliding groove 302, and when the supporting plate 11 moves longitudinally, two transverse ends of the supporting plate 11 are respectively inserted into the first sliding groove 301 and the second sliding groove 302.

Specifically, the first sliding groove 301 is formed between the outer periphery of the lower side of the inner barrier rib 312 and the base plate 311, and the second sliding groove 302 is formed between the inner periphery of the lower side of the outer frame 313 and the base plate 311.

Referring to fig. 1 at the same time, the transfer mechanism 33 includes a lateral transfer power mechanism 34 for driving the pallet 11 of the carrier 1 to move laterally and a longitudinal transfer power mechanism 35 for driving the pallet 11 of the carrier 1 to move longitudinally, both the lateral transfer power mechanism 34 and the longitudinal transfer power mechanism 35 are mounted on the lower side of the base plate 311, the base plate 311 is formed with a first hollow 3111 corresponding to the lateral transfer power mechanism 34 and a second hollow 3112 corresponding to the longitudinal transfer power mechanism 35, so that the lateral transfer power mechanism 34 and the longitudinal transfer power mechanism 35 can pass through the base plate 311 to act on the pallet 11 of the carrier 1.

The number of the transverse transmission power mechanisms 34 is two, and the transverse sides corresponding to the two transverse sides of the transmission track 31 are arranged diagonally. The number of the longitudinal conveying power mechanisms 35 is two, and the longitudinal sides corresponding to the conveying rails 31 are arranged diagonally.

Referring to fig. 8, the transverse transmission power mechanism 34 includes a first mounting seat 341, a transverse linear guide 342, a first slider 343, a first driving member 344, and a first mounting seat 341 of the check assembly 36 fixedly connected with the base plate 311, the transverse linear guide 342 is transversely mounted on the first mounting seat 341, the first slider 343 is disposed on the transverse linear guide 342 and can slide along the transverse linear guide 342, the check assembly 36 is mounted on the first slider 343, and the first driving member 344 is connected with the first slider 343 to drive the first slider 343 to slide back and forth along the transverse linear guide 342. The first driving member 344 may be a linear driving mechanism such as a rodless cylinder, an electric cylinder, or a chain plus timing belt plus a screw plus motor, and preferably a rodless cylinder.

In the present embodiment, the number of the check assemblies 36 of each lateral transfer power mechanism 34 is two and arranged side by side, so that the pallet 11 of the carrying seat 1 can be kept balanced as much as possible while being moved laterally. The number of check assemblies 36 is not limited to such, and in other embodiments, only one check assembly 36 per lateral transfer power mechanism 34 may be provided, or more than three check assemblies 36 may be provided.

The non-return component 36 can push and convey the supporting plate 11 of the bearing seat 1 to each station, and can smoothly retract to the original position after moving one station and prevent the supporting plate 11 of the bearing seat 1 after moving the station from retracting to the original position. Referring to fig. 10, in the present embodiment, the check assembly 36 adopts a standard component, which includes a fixing base 361, a check block 362, an elastic element 363, and a pivot 364, wherein the rear end of the check block 362 is rotatably connected with the fixing base 361 through the pivot 364, the elastic element 363 is disposed between the front end of the check block 362 and the fixing base 361, and provides an elastic restoring force after the check block 362 is pressed. The top surface of the check block 362 is formed with a ramp 3621, and the rear end of the ramp 3621 is lower than the front end.

As a further improvement, the lateral transfer power mechanism 34 further includes a first limit screw 346 and a first buffer 347, and the first limit screw 346 and the first buffer 347 are disposed on the first mount 341 and located at a front side of the movement direction of the check assembly 36, so as to prevent damage caused by excessive lateral movement of the check assembly 36.

As a further improvement, the transverse transmission power mechanism 34 further includes two first slot-type photoelectric sensors 348, the two first slot-type photoelectric sensors 348 are mounted at two transverse ends of the side edge of the transverse linear guide 342, and the side edge of the first slider 343 is correspondingly fixed with a first baffle 3431. When the transverse transmission power mechanism 34 pushes the supporting plate 11 to transversely move, the first baffle 3431 moves along with the first sliding block 343, and when the first baffle 3431 slides from the middle of the first groove-shaped photoelectric sensor 348 at one end to the middle of the first groove-shaped photoelectric sensor 348 at the other end, light transmission is blocked again, so that the position of the first sliding block 343 at the moment can be reflected to the main control module, and the moving stroke of the first sliding block 343 is controlled.

The first slot-type photoelectric sensor 348 is a photoelectric sensor integrating a transmitter and a receiver, wherein the transmitter and the receiver are respectively positioned at two sides of the U-shaped slot and form an optical axis, and when an object to be detected (the first baffle 3431) passes through the U-shaped slot and blocks the optical axis, a detected switch signal is generated.

As a further improvement, two first groove-type photoelectric sensors 348 are mounted on the side edges of the transverse linear guide 342 through first sensor slide rails 349, and the mounting positions of the first groove-type photoelectric sensors 348 on the first sensor slide rails 349 are adjustable, so that the mounting positions of the first groove-type photoelectric sensors 348 can be adjusted conveniently.

Referring to fig. 9, the longitudinal transmission power mechanism 35 includes a second mounting seat 351, a longitudinal linear guide 352, a second slider 353, a second driving member 354 and a check assembly 36, wherein the second mounting seat 351 is fixedly connected with the base plate 311, the longitudinal linear guide 352 is longitudinally mounted on the second mounting seat 351, the second slider 353 is disposed on the longitudinal linear guide 352 and can slide along the longitudinal linear guide 352, and the check assembly 36 is mounted on the second slider 353, and the second driving member 354 is connected with the second slider 353 to drive the second slider 353 to slide back and forth along the longitudinal linear guide 352. The second driving member 354 may be a linear driving mechanism such as a rodless cylinder, an electric cylinder or a chain motor, and preferably a rodless cylinder.

In the present embodiment, the number of the check assemblies 36 of each longitudinal transmission power mechanism 35 is two and arranged side by side, so that the pallet 11 of the carrying seat 1 can be kept balanced as much as possible while being moved laterally. The number of check assemblies 36 is not limited to this, and in other embodiments, only one check assembly 36 per longitudinal transmission power mechanism 35 may be provided, or more than three check assemblies 36 may be provided.

The non-return assembly 36 pushes and conveys the pallet 11 of the carrier 1 to each station longitudinally, and can smoothly retract to the original position after moving the station longitudinally and prevent the pallet 11 of the carrier 1 from retracting to the original position after moving the station longitudinally. Referring to fig. 10, in the present embodiment, the check assembly 36 adopts a standard component, which includes a fixing base 361, a check block 362, an elastic element 363, and a pivot 364, wherein the rear end of the check block 362 is rotatably connected with the fixing base 361 through the pivot 364, the elastic element 363 is disposed between the front end of the check block 362 and the fixing base 361, and provides an elastic restoring force after the check block 362 is pressed.

As a further improvement, the longitudinal transmission power mechanism 35 further includes a second limit screw 356 and a second buffer 357, and the second limit screw 356 and the second buffer 357 are provided on the second mounting seat 351 at a front side of the movement direction of the check assembly 36 to prevent damage caused by excessive longitudinal movement of the check assembly 36.

As a further improvement, the longitudinal transmission power mechanism 35 further includes two second groove-type photoelectric sensors 358, the two second groove-type photoelectric sensors 358 are mounted at two longitudinal ends of the side edge of the longitudinal linear guide 352, and the side edge of the second slider 353 is correspondingly fixed with a second baffle 3531. When the longitudinal transmission power mechanism 35 pushes the supporting plate 11 to move longitudinally, the second baffle 3531 moves along with the second slider 353, and when the second baffle 3531 slides from the middle of the second groove-shaped photoelectric sensor 358 at one end to the middle of the second groove-shaped photoelectric sensor 358 at the other end, the transmission of light is blocked again, so that the position of the second slider 353 at the moment can be reflected to the main control module, and the moving stroke of the second slider 353 is controlled.

The second groove-shaped photoelectric sensor 358 is a photoelectric sensor with an emitter and a receiver integrated together, wherein the emitter and the receiver are respectively positioned at two sides of the U-shaped groove and form an optical axis, and when an object to be detected (the second baffle 3531) passes through the U-shaped groove and blocks the optical axis, a detected switch signal is generated.

As a further improvement, two second groove-type photoelectric sensors 358 are mounted on the side of the longitudinal linear guide 352 through second sensor slide rails 359, and the mounting positions of the second groove-type photoelectric sensors 358 on the second sensor slide rails 359 are adjustable, so as to facilitate fine adjustment of the mounting positions of the second groove-type photoelectric sensors 358.

Referring to fig. 5, 6, 11 and 12, as a further improvement, the endless conveyor further includes a reject workpiece discharging mechanism 37, the reject workpiece discharging mechanism 37 being provided at one of the four corners of the endless conveyor track 31. The reject mechanism 37 includes a third mount 371, a third drive 372, a third slider 373, a fourth drive 374, a fourth slider 375, and a shutter 376. The third mounting seat 371 is fixedly connected with the base plate 311, the third driving piece 372 is mounted on the third mounting seat 371, the third sliding block 373 is connected with the third driving piece 372, the fourth driving piece 374 is mounted on the third sliding block 373, the fourth sliding block 375 is connected to the top end of the fourth driving piece 374, the baffle 376 is mounted on the fourth sliding block 375 and is used for discharging unqualified workpieces 2 from the tray 12 of the bearing seat 1, the fourth sliding block 375 and the baffle 376 are driven to move up and down together through the fourth driving piece 374, and the third sliding block 373 and the fourth driving piece 374, the fourth sliding block 375 and the baffle 376 mounted on the third sliding block 373 are driven to move horizontally together through the third driving piece 372. The third driving member 372 and the fourth driving member 374 may each be a linear driving mechanism such as a cylinder, an electric cylinder, a chain motor, or a synchronous belt motor. In this embodiment, the third driving member 372 is an electric cylinder, and the fourth driving member 374 is a guide rod cylinder.

Further, the reject workpiece discharging mechanism 37 further includes a discharge guide 377, the discharge guide 377 being provided outside the conveying rail 31 for guiding the discharged reject workpiece 2. The reject ejection mechanism 37 further includes a zipper 378 provided on a side edge of the third driving member 372 for regulating a connection line or piping of the third driving member 372.

As a further improvement, the loop-shaped conveying device further comprises positioning nails 38 capable of moving up and down, and the positioning nails 38 are arranged on the lower side of the base plate 311 and can upwards penetrate through the base plate 311 to align with the positioning holes 115 on the supporting plate 11, so that the stopping position of the supporting plate 11 is more accurate.

As a further improvement, the loop-shaped conveyor further comprises a photoelectric sensor 38, wherein the photoelectric sensor 38 is arranged on the lower side of the base plate 311 and can detect whether the tray 12 is placed on the pallet 11 through a sensor hole 116 on the pallet 11.

Referring to fig. 2 to 5, the pallet 11 of the carrier 1 is configured to be mounted on the conveying track 31, the tray 12 includes a bottom plate 121 and a flange 122 disposed on top of the bottom plate 121, and a receiving portion 123 for receiving the workpiece 2 (e.g. a blood bag) is defined by the bottom plate 121 and the flange 122, and the receiving portion 123 is provided with an opening 124 at a front end of the tray 12 for separating the workpiece 2 (refer to fig. 5, 11 and 12) received in the receiving portion 123 from the tray 12 through the opening 124. For example, in the case of applying to the blood bag packaging, when the workpiece 2 (blood bag) is packaged in the packaging bag, the workpiece 2 (blood bag) is separated from the tray 12 through the opening 124 by the bagging mechanism and then packaged in the packaging bag; for another example, when the work 2 (blood bag) is found to be a defective product, the work 2 (blood bag) is separated from the tray 12 through the opening 124 by the defective work discharging means and then discharged (see fig. 11 and 12).

In order to enable the tray 12 to be detached from the tray 11, the tray 12 and the tray 11 may be detachably coupled by the pins 101 and the pin holes 102, which enables the tray 12 to be rapidly detached from the tray 11 and enables accurate alignment between the tray 12 and the tray 11 when the tray 12 is mounted to the tray 11. Wherein the pin 101 may be provided on one of the tray 12 and the pallet 11, and the pin hole 102 is provided on the other of the tray 12 and the pallet 11.

Since the tray 12 needs to be frequently loaded on the supporting plate 11 and removed from the supporting plate 11, in order to reduce the weight thereof, the embodiment of the present invention is preferably made of plastic material such as Polyoxymethylene (POM), but thus the tray 12 is relatively easy to wear, in which case, as a further improvement, the bottom of the tray 12 is further fixed with the connecting member 125, the pin hole 102 is provided on the connecting member 125, the pin 101 is provided on the supporting plate 11, and both the connecting member 125 and the pin 101 can be made of wear-resistant metal, so that the problem that the alignment and connection between the tray 12 and the supporting plate 11 are affected due to the easy wear of the tray 12 during loading and removing can be effectively avoided. The pairs of pin holes 102 and pins 101 shown in fig. 3 are four pairs, but this is not the case and other numbers are possible, such as two pairs, three pairs, or more than five pairs.

The connection between the tray 12 and the supporting plate 11 is not limited to this connection, and any other connection manner capable of realizing the alignment connection between the tray 12 and the supporting plate 11 and separating the tray 12 from the supporting plate 11 is suitable for the present invention, for example, a positioning groove is provided at the top of the supporting plate 11, and the bottom of the tray 12 is directly placed in the positioning groove of the supporting plate 11.

As a further improvement, the inner side of the top edge of the flange 122 is formed with a first chamfer 1221, which is advantageous in guiding and comfort when the work piece 2 is manually placed into the receiving portion 123. A second chamfer 1222 is formed on the outside of the flange 122 near one end of the opening 124 to facilitate entry of the tray 12 into a package when the workpiece 2 is being bagged.

In this embodiment, the tray 12 is square overall, the front end surface of the top of the tray 12 is formed with an opening 124, the other surface of the top of the tray 12 is formed with a flange 122, and the adjacent flanges 122 are excessively connected by adopting an arc 1223.

The top surface of the bottom plate 121 of the tray 12 is formed with a third chamfer 1224, i.e., an inclined surface, at the opening to facilitate detachment of the workpieces 2 from the tray 12.

In the present embodiment, the tray 12 is formed with a first chamfer 1221, a second chamfer 1222, and a third chamfer 1224 at the same time. In other embodiments, it is also possible that the tray 12 forms only the first chamfer 1221, the second chamfer 1222, or the third chamfer 1224, or that a combination of the first chamfer 1221, the second chamfer 1222, and the third chamfer 1224 is formed on the tray 12.

The tray 12 has a first notch 126 formed in the front bottom end thereof, and a second notch 127 formed in the rear bottom end of the tray 12, the first notch 126 and the second notch 127 being adapted to cooperate with a robot to pick up the tray by the robot.

As a further improvement, the supporting plate 11 is provided with a positioning hole 115 for matching with a positioning pin capable of moving up and down to align the stopping position of the supporting plate 11. The pallet 11 is also provided with sensor holes 116 through which the photoelectric sensor can detect whether the pallet 11 is placed with the tray 12.

In the present embodiment, a transverse groove 111 extending transversely and a longitudinal groove 112 extending longitudinally are dug at the bottom of the pallet 11, and a transverse stopper 113 and a longitudinal stopper 114 are correspondingly formed at the bottom of the pallet 11, the transverse stopper 113 is used for being matched with the transverse transmission power mechanism 34 of the transmission mechanism 33 to enable the pallet 11 to transversely move on the transmission track 33 under the action of the transverse transmission power mechanism 34, and the longitudinal stopper 114 is used for being matched with the longitudinal transmission power mechanism 35 of the transmission mechanism 33 to enable the pallet 11 to longitudinally move on the transmission track 33 under the action of the longitudinal transmission power mechanism 35.

The transverse groove 111 at the bottom of the pallet 11 transversely penetrates the pallet 11 to form a transverse clearance (indicated by a transverse dotted double-headed arrow in fig. 5) for avoiding blocking of the longitudinal conveying power mechanism 35 when the transverse movement of the carrier 1 is converted into the longitudinal movement, and the longitudinal groove 112 at the bottom of the pallet 11 longitudinally penetrates the pallet 11 to form a longitudinal clearance (indicated by a longitudinal dotted double-headed arrow in fig. 5) for avoiding blocking of the transverse conveying power mechanism 34 when the transverse movement of the carrier 1 is converted into the longitudinal movement.

Specifically, in the present embodiment, the bottom of the supporting plate 11 is provided with two parallel lateral grooves 111 and two parallel longitudinal grooves 112, and two lateral stoppers 113 are formed on the outer side of each lateral groove 111, and the longitudinal stoppers 114 are located between the two parallel longitudinal grooves 112 and between the two parallel lateral grooves 111 at the same time. In this way, it may be used with two side-by-side check assemblies 36 in the lateral transfer power mechanism 34 and with two side-by-side check assemblies 36 in the longitudinal transfer power mechanism 35. The forms of the lateral grooves 111 and the longitudinal grooves 112 at the bottom of the pallet 11 are not limited to this, and the number and positions of the suspension members 36 may be changed according to the number and positions of the suspension members 36 of the lateral transmission power mechanism 34 and the longitudinal transmission power mechanism 35, as long as the lateral transmission power mechanism 34 and the longitudinal transmission power mechanism 35 are enabled to sequentially drive the pallet 11 to move laterally and longitudinally.

The bearing seat 1 of the loop-shaped conveying device of the embodiment of the invention is provided with the separable supporting plate 11 and the tray 12, so that when the loop-shaped conveying device is applied to conveying blood bags, workpieces 2 (blood bags) are placed on the tray 12 in the whole conveying process, and cannot directly contact with a moving surface, the problems of clamping (rewinding) and the like of the workpieces 2 (blood bags) in the moving process are avoided to the greatest extent, the waste of the workpieces 2 (blood bags) caused by equipment faults is reduced, and the problems of easy breakage, pollution and deviation of the existing blood bags when the existing blood bags are directly placed on a conveying belt are solved.

When the blood bag is manually placed, the ribs 122 around the tray 12 play a regular role, so that the defect of follow-up labeling caused by uncertain placement of the blood bag is avoided. The bearing seat 1 adopts an upper layer and a lower layer, and the lower layer supporting plate 11 can always circulate in the conveying track, so that damage to blood bags caused by misoperation is prevented.

Referring to fig. 13, specifically, in the present embodiment, the conveying track 31 having a loop shape is provided with 12 stations, which are distributed in two horizontal rows and two vertical rows, wherein the number of the horizontal rows is 6, and the number of the vertical rows is 2. The 12 works are sequentially marked as a work station A, a work station B, a work station C, a work station D, a work station E, a work station F, a work station G, a work station H, a work station I, a work station J, a work station K and a work station L, wherein a support plate 11 is placed at the work station B, the work station C, the work station D, the work station E, the work station F, the work station G and the work station H, a tray 12 is placed on the support plate, blood bags 2 are placed in the tray 12, the tray 12 and the blood bags 2 on the support plate 11 at the work station J are taken away by a mechanical arm, the work station K vacates the position of a blood bag bearing seat 1 and does not place the support plate 11, so that the bearing seat 1 can be converted on a return conveying track 31, and the blood bags 2 are not placed on the tray 12 of the blood bag bearing seat 1 at the work station L and the work station A temporarily.

In fig. 13, taking a clockwise direction (as shown by a dotted arrow in fig. 13) as an example, a transmission process of the carrier 1 on the loop-shaped transmission track 31 is specifically described, along the transmission direction, there are sequentially arranged, a bleeding bag, defrosting (removing frost on the surface of the ice blood bag), labeling (hot pressing, reinforcing, labeling), detecting label information (detecting whether the label information on the blood bag is complete and correct), seven stations for removing the qualified blood bag and rejecting the unqualified blood bag, for example, the station A, B, C is a bleeding bag station, the station D is a defrosting station, the station G is a label-warming station, the station I is a detecting station, the station J is a qualified blood bag removing station, the station K is a unqualified blood bag rejecting station, and the rest stations are waiting stations.

Referring to fig. 5 and 6, it is assumed that, initially, the carrier 1 is not disposed at the station D of the conveying track 31, the carrier 1 is disposed at the rest stations, after the workpieces 2 (blood bags) are placed on the trays 12 of the carriers 1 at the stations a, B, and C by manual operation, the front transverse conveying power mechanism 34 is started to drive the carriers 1 at the front stations K, L, a, B, and C to move to the left side to empty the station K, then the right longitudinal conveying power mechanism 35 is started to drive the carriers 1 at the station J to move forward one station to the station K, to empty the station J, and then the rear transverse conveying power mechanism 34 is started to drive the carriers 1 at the front stations E, F, G, H, and I to move to the right side to empty the station E, after the workpieces 2 (blood bags) on the carriers 1 at the station D are defrosted, the left longitudinal conveying power mechanism 35 is started to drive the carriers 1 at the station D and the workpieces 2 (blood bags) on the carriers 1 at the station D to defrost the station D.

After the workpiece 2 (blood bag) is placed on the tray 12 of the bearing seat 1 at the station A by a person, the next cycle is carried out, and the process is repeated until the labeling, detection and qualified blood bag moving operation of the workpiece 2 (blood bag) are completed.

When the station I detects that the workpiece 2 (blood bag) is qualified, the workpiece 2 (blood bag) is conveyed to the station J and taken away by a manipulator together with the tray 12 (namely, the state shown in fig. 13), the workpiece 2 (blood bag) is filled into a packaging bag by an external packaging device, meanwhile, the manipulator returns an empty tray 12 left by the last workpiece 2 (blood bag) filled into the packaging bag to the station J, and the empty tray 12 is conveyed to the station A through the station K and the station L to be replaced by the workpiece 2 (blood bag); when station I detects that the workpiece 2 (blood bag) is a defective product, the workpiece 2 (blood bag) is continuously conveyed to station K, then the defective workpiece discharging mechanism 37 is started, the baffle 376 is moved upward, the baffle 376 is moved leftwards to the left side of the defective workpiece 2 (blood bag) at station K, then the baffle 376 is moved downwards, so that the baffle 376 can dial the defective workpiece 2 (blood bag) at station K, and then the baffle 376 is moved rightwards to dial the defective workpiece 2 (blood bag) to be discharged from the discharging guide rail 377.

Referring to fig. 4, the specific process of the transverse transmission power mechanism 34 driving the carrier 1 to move transversely and the longitudinal transmission power mechanism 35 driving the carrier 1 to move longitudinally is as follows:

When the transverse transmission power mechanism 34 drives the bearing seat 1 to move transversely, the check block 362 of the check assembly 36 of the transverse transmission power mechanism 34 passes through the first hollow 3111 of the base plate 311, specifically, a portion of the check block 362 provided with a slope 3621 (refer to the hatched portion in fig. 4) passes through the first hollow 3111 of the base plate 311 and abuts against the transverse stop 113 at the bottom of the supporting plate 11 (abuts against the left transverse stop 113 when moving transversely to the left and abuts against the right transverse stop 113 when moving transversely to the right);

when the longitudinal transmission power mechanism 35 drives the carrying seat 1 to move longitudinally, the check block 362 of the check assembly 36 of the longitudinal transmission power mechanism 35 passes through the first hollow 3111 of the base plate 311, specifically, a portion of the check block 362 provided with a slope 3621 (see the hatched portion in fig. 4) passes through the second hollow 3112 of the base plate 311 and abuts against the longitudinal stop 114 at the bottom of the supporting plate 11 (abuts against the rear side of the longitudinal stop 114 when moving longitudinally forward and abuts against the front side of the longitudinal stop 114 when moving longitudinally backward);

when the bearing seat 1 is converted from transverse movement to longitudinal movement, a transverse clearance part (shown by a transverse dotted double-headed arrow in fig. 4) at the bottom of the supporting plate 11 can avoid blocking the longitudinal transmission power mechanism 35; when the carrier 1 is converted from longitudinal movement to transverse movement, the longitudinal clearance at the bottom of the pallet 11 (as indicated by the longitudinal dashed double-headed arrow in fig. 4) can avoid blocking the transverse transmission power mechanism 34.

The number and arrangement of the stations in the above-mentioned loop-shaped conveying track 31 are merely examples, and in other embodiments, the number and arrangement of the stations may be changed according to specific needs, for example, the number of the stations is also 12, and the stations are distributed in two horizontal rows and two vertical rows, where the number of horizontal rows of the stations is 4 and the number of vertical rows of the stations is 4, or the number of horizontal rows of the stations is 5 and the number of vertical rows of the stations is 3.

The loop-shaped conveying device of the embodiment of the invention adopts the loop-shaped conveying rail 31 to place the bearing seat 1, so that the space in a workshop can be occupied as little as possible. Through the assembly line design of empty tray 12 backward flow, no longer need carry separately, use manpower sparingly, can improve work efficiency simultaneously.

The bearing seat 1 is provided with the separable supporting plate 11 and the tray 12, and the supporting plate 11 of the bearing seat 1 is arranged in the square conveying track 31 and can always flow in the square conveying track 31, so that damage to blood bags caused by misoperation is prevented. The workpiece 2 (blood bag) is placed on the tray 12 in the whole conveying process, and cannot be directly contacted with the conveying track 31, so that the problems of clamping (rewinding) and the like of the blood bag in the moving process are avoided to the greatest extent, the waste caused by the failure of the blood bag due to equipment is reduced, and the problems of easy breakage, pollution and deviation of the existing blood bag when the existing blood bag is directly placed on the conveying belt are solved.

The workpiece 2 (blood bag) carried by the tray 12 is transferred through the loop-shaped conveying track 31 and conveyed by other conveying devices, finally enters the packaging bag and is discharged through heat sealing, the whole process is not in direct contact with the moving surface, and the safety of the blood bag is guaranteed to the maximum extent.

The conveying table 3 of the conveying device of the above embodiment adopts a rectangular conveying rail 31 with a rectangular structure. In other embodiments, the loop-shaped conveying track of the conveying workbench 3 can also be in a circular ring shape, in which case the supporting plate of the bearing seat can be designed to be fan-shaped to adapt to the loop-shaped conveying track, or the two ends of the supporting plate of the bearing seat are designed to be arc-shaped to adapt to the loop-shaped conveying track, and other structures of the bearing seat can be unchanged.

The conveying table 3 of the conveying device of the above embodiment adopts the conveying rail 31 to convey the carrying seat 1. The conveying manner used for the carrying seat 1 is not limited to this, and other conveying manners can be used.

In the loop-shaped conveying device of other embodiments, the conveying manner of the carrier 1 may also be: the conveying workbench comprises a conveying belt and a belt driving device, the belt driving device drives the conveying belt to move, and the bearing seat 1 moves along with the conveying belt on the conveying belt.

In the loop-shaped conveying device of other embodiments, the conveying manner of the carrier 1 may also be: the conveying workbench comprises a sliding block, a guide rail and a power device, wherein the bearing seat 1 is fixed with the sliding block, the power device drives the sliding block to move on the guide rail, and the bearing seat 1 moves on the guide rail along with the sliding block.

In the loop-shaped conveying device of other embodiments, the conveying manner of the carrier 1 may also be: the conveying workbench comprises a conveying track and a conveying mechanism, wherein the conveying track is a rotary table, the supporting plate 11 of the bearing seat 1 is fixedly arranged on the rotary table, and the conveying mechanism drives the rotary table to rotate so as to change stations of the bearing seat.

The present invention is not limited to the above embodiments, and various modifications can be made within the technical content disclosed in the above embodiments. All equivalent structural changes made by the specification and the attached drawings of the invention or directly or indirectly applied to other related technical fields are included in the protection scope of the invention.

Claims

1. The conveying workbench comprises a conveying workbench and a conveying mechanism, wherein the conveying workbench is rectangular, the plurality of bearing seats are slidably arranged on the conveying workbench and at least one bearing seat which is vacant on the conveying workbench is not placed at the position of the bearing seat, and the bearing seats can slide along the conveying workbench under the action of the conveying mechanism to convey circulation to change positions;

The conveying workbench further comprises a substrate, an inner baffle strip and an outer frame, wherein the substrate is rectangular in whole, the inner baffle strip and the outer frame are arranged on the substrate, the inner baffle strip is arranged in the outer frame, the substrate, the inner baffle strip and the outer frame encircle to form a return conveying track, a first chute and a second chute are respectively formed in the inner side and the outer side of the return conveying track, and the opposite ends of a supporting plate of the bearing seat are respectively inserted into the first chute and the second chute, so that the supporting plate is prevented from being separated from the conveying track;

when the supporting plate moves transversely, two longitudinal ends of the supporting plate are respectively inserted into the first sliding groove and the second sliding groove, when the supporting plate moves longitudinally, two transverse ends of the supporting plate are respectively inserted into the first sliding groove and the second sliding groove, the first sliding groove is formed between the outer periphery of the lower side of the inner barrier strip and the substrate, and the second sliding groove is formed between the inner periphery of the lower side of the outer frame and the substrate;

the conveying mechanism comprises a transverse conveying power mechanism for driving the supporting plate of the bearing seat to transversely move and a longitudinal conveying power mechanism for driving the supporting plate of the bearing seat to longitudinally move, wherein the transverse conveying power mechanism and the longitudinal conveying power mechanism are both arranged on the lower side of the substrate, the substrate is provided with a first hollow corresponding to the transverse conveying power mechanism and a second hollow corresponding to the longitudinal conveying power mechanism, the transverse conveying power mechanism and the longitudinal conveying power mechanism can penetrate through the substrate to act on the supporting plate of the bearing seat, the number of the transverse conveying power mechanisms is two, the two transverse sides corresponding to the conveying rails are respectively arranged diagonally, and the number of the longitudinal conveying power mechanisms is two, and the two longitudinal sides corresponding to the conveying rails are respectively arranged diagonally.

2. The loop-shaped conveying device according to claim 1, wherein the transverse conveying power mechanism comprises a first mounting seat, a transverse linear guide rail, a first sliding block, a first driving piece and a check assembly, the first mounting seat is fixedly connected with the base plate, the transverse linear guide rail is transversely arranged on the first mounting seat, the first sliding block is arranged on the transverse linear guide rail and can slide along the transverse linear guide rail, the check assembly is arranged on the first sliding block, the first driving piece is connected with the first sliding block to drive the first sliding block to slide back and forth along the transverse linear guide rail, and the check assembly can transversely push and convey the bearing seat to each station and can smoothly retract to the original position after transversely moving to prevent the bearing seat after transversely moving to the original position.

3. The loop conveyor of claim 2, wherein the lateral transfer power mechanism further comprises a first limit screw and a first buffer, the first limit screw and the first buffer being disposed on the first mount and on a front side of the direction of movement of the check assembly; and/or

4. The loop-shaped conveying device as claimed in claim 1, wherein the longitudinal conveying power mechanism comprises a second mounting seat, a longitudinal linear guide rail, a second sliding block, a second driving part and a check assembly, the second mounting seat is fixedly connected with the base plate, the longitudinal linear guide rail is longitudinally arranged on the second mounting seat, the second sliding block is arranged on the longitudinal linear guide rail and can slide along the longitudinal linear guide rail, the check assembly is arranged on the second sliding block, the second driving part is connected with the second sliding block to drive the second sliding block to slide back and forth along the longitudinal linear guide rail, and the check assembly longitudinally pushes and conveys the bearing seat to each station and can smoothly retract to the original position after the bearing seat is longitudinally moved to prevent the bearing seat after the bearing seat is longitudinally moved to the original position.

5. The loop conveyor of claim 4, wherein the longitudinal conveyor power mechanism further comprises a second limit screw and a second buffer, the second limit screw and the second buffer being disposed on a second mount and on a front side of the direction of movement of the check assembly; and/or

6. The loop-shaped conveyor of claim 1, further comprising a reject workpiece ejection mechanism disposed at one of four corners of the loop-shaped conveyor track, the reject workpiece ejection mechanism comprising a third mount fixedly coupled to the base plate, a third drive mounted on the third mount, the third drive being coupled to the third drive, the fourth drive being mounted on the third slide, the fourth slide being coupled to a top end of the fourth drive, the baffle being mounted on the fourth slide, the fourth slide being drivable by the fourth drive to move up and down together with the baffle, and the third slide and the fourth drive mounted thereon being drivable by the third drive to move horizontally together with the fourth slide and the baffle to eject the reject workpiece from the carrier.

7. The loop-shaped conveyor of claim 6, wherein the reject workpiece ejection mechanism further comprises an ejection rail disposed outside of the conveyor rail for guiding ejected reject workpieces.

8. The loop-shaped conveyor according to any one of claims 1 to 7, wherein the carrier includes a pallet and a tray, the tray is carried on and detachably connected to the pallet, a receiving portion for receiving a workpiece is formed on the tray, and the tray of the carrier is removable from the pallet to transfer the processed workpiece together with the tray to an external apparatus for performing a next process.

9. The loop-shaped conveying device according to claim 8, wherein the supporting plate is provided with a positioning hole, and the loop-shaped conveying device further comprises a positioning nail capable of moving up and down, wherein the positioning nail is arranged on the lower side of the base plate and can pass through the base plate upwards to align with the positioning hole on the supporting plate; and/or

10. The loop-shaped conveying device according to any one of claims 1 to 7, wherein the loop-shaped conveying device is used for conveying blood bags, and the loop-shaped conveying track is sequentially provided with seven stations including a bleeding bag, defrosting, labeling, warming, detecting label information, removing qualified blood bags and rejecting unqualified blood bags along a conveying direction.