CN112938531A - Feeding mechanism and sequencing device - Google Patents
Feeding mechanism and sequencing device Download PDFInfo
- Publication number
- CN112938531A CN112938531A CN202110184706.8A CN202110184706A CN112938531A CN 112938531 A CN112938531 A CN 112938531A CN 202110184706 A CN202110184706 A CN 202110184706A CN 112938531 A CN112938531 A CN 112938531A
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- material blocking
- movable
- guide
- power input
- movable material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0235—Containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles To Conveyors (AREA)
Abstract
The invention discloses a feeding mechanism and a sequencing device, which comprise a material ejecting part and a passive material blocking mechanism, wherein when the material ejecting part moves upwards to a triggering position, the material ejecting part starts to be contacted with a power input part, a temporary feeding slit for a single article to pass through is formed between a supporting guide surface and the movable material blocking part, and when the material ejecting part moves from the triggering position to the feeding position, the material ejecting part pushes the power input part to trigger the movable material blocking part of the passive material blocking mechanism to act. According to the feeding mechanism and the sequencing device, the reaction cups can be in a dynamic state after entering the temporary slit, and the movable material blocking piece can continuously and actively apply acting force to the dynamic reaction cups.
Description
Technical Field
The invention relates to medical equipment, in particular to a feeding mechanism and a sequencing device.
Background
The sequencing device is used for sequencing the articles stacked out of order for subsequent use. At present, a plurality of sequencing devices adopt a mode that an ejection piece is combined with an inclined sequencing chute, and during feeding, the ejection piece is utilized to eject articles into the inclined sequencing chute. In the partial sorting device, the ejection piece is arranged on the extension mode of the inclined sorting slideway, a section of chute is also arranged on the ejection piece, and the ejected articles slide into the inclined sorting chute from the section of chute to be sorted.
In another new sequencing device, the material ejecting part is arranged on the side surface of the inclined sequencing slideway, the material blocking part is arranged above the material ejecting part, the top surface of the material ejecting part is provided with a supporting guide surface, the material blocking part is arranged above the material ejecting part, when the material ejecting part rises to the highest position, the stroke between the material blocking part and the supporting guide surface is a slit for passing articles, only one article slides or rolls to the inclined sequencing slideway along the supporting guide surface under the action of self weight under an ideal state, the sequencing device has lower requirement on the position precision of the material ejecting part and the inclined sequencing slideway, however, when two articles are ejected simultaneously, as shown in fig. 1, the two cuvettes may enter the slide channel one after the other, the fault of the sequencing mechanism is caused, and the situation that two reaction cups cannot enter the slit can happen occasionally, so that the single feeding fails; when redundant reaction cups or reaction cups in vertical postures are jacked up, the abnormal reaction cups collide with the material blocking part, so that the reaction cups are easily damaged, and impact abnormal sounds or the conditions that the reaction cups collide and eject inside and outside the cup bin are easily generated.
Disclosure of Invention
The invention mainly aims to provide a feeding mechanism and a sequencing device so as to improve the reliability of a feeding process.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
a feed mechanism, comprising:
the ejection part is used for ejecting articles in the storage bin to the sequencing conveying channel from bottom to top, the ejection part is arranged beside the sequencing conveying channel, a supporting guide surface is arranged at the top of the ejection part, the height position of the supporting guide surface gradually becomes lower in the direction from the ejection part to the sequencing conveying channel, and the stroke position of the ejection part comprises an ejection position, a feeding position above the ejection position and a triggering position between the feeding position and the ejection position;
the passive material blocking mechanism comprises a movable material blocking part;
in the ascending process of the material ejecting part, when the material ejecting part ascends to the triggering position, a temporary feeding slit for a single article to pass through is formed between the supporting guide surface and the movable material blocking part, and when the material ejecting part moves from the triggering position to the feeding position, the movable material blocking part is triggered to act by the material ejecting part or a reaction cup on the material ejecting part; in the descending process of the material ejecting part, the passive material stopping mechanism resets after the material ejecting part descends to the triggering position.
Optionally, a power input part is arranged on the passive stock stop mechanism; in the ascending process of the material ejecting piece, after the material ejecting piece ascends to the triggering position, the material ejecting piece starts to contact with the power input part, and the passive stock stop mechanism is triggered to act by pushing the power input part; in the descending process of the material ejecting part, the material ejecting part is separated from the power input part after descending to the triggering position, and the power stop mechanism is released to reset.
Optionally, passive stock stop still includes the guide holder, the setting that activity stock stop liftable is in on the guide holder, activity stock stop sets up the top of ejection of compact spare, activity stock stop have be used for with support the guide face and form the bottom surface of interim feeding slit, power input portion sets up the activity stock stop on the bottom surface, just be provided with between power input portion and the ejection of compact spare and be used for keeping the limit structure of interim feeding slit width, limit structure is in the one end or both ends of interim feeding slit.
Optionally, the limiting structure comprises the power input part, and the power input part is convexly arranged on the bottom surface of the movable material blocking part;
or
The limiting structure comprises a supporting protrusion arranged on the supporting guide surface of the material ejecting part in a protruding mode.
Optionally, the passive stock stop further comprises a lifting guide rod, a guide hole for guiding the lifting guide rod is formed in the guide seat, the movable stock stop is arranged at the bottom of the lifting guide rod, and a limiting part for limiting the downward position of the movable stock stop is arranged on the lifting guide rod;
the number of the lifting guide rods is one or at least two, and when the number of the lifting guide rods is one, an anti-rotation structure is arranged between the lifting guide rods and the guide holes.
Optionally, the movable blocking piece is far away from or close to the sorting conveying channel through rotation, and the movable blocking piece scrapes the redundant articles and/or the articles with abnormal postures back to the storage bin through rotation in the direction far away from the conveying channel.
Optionally, passive stock stop is link mechanism, passive stock stop includes:
the movable material blocking part is hinged in the storage bin, and the hinged position of the movable material blocking part is positioned above the material ejecting part;
the lifting slide block is arranged in the storage bin in a lifting manner, and the power input part is formed on the lifting slide block;
the connecting rod is connected between the movable material blocking part and the lifting slide block and is hinged with the movable material blocking part and the lifting slide block respectively;
the side surface of the material ejection part is convexly provided with a pushing part used for pushing the lifting slide block, when the material ejection part rises to the triggering position, the pushing part is contacted with the power input part of the lifting slide block, the pushing part pushes the lifting slide block to move upwards, and the lifting slide block drives the movable material blocking part to swing towards the direction far away from the sequencing conveying channel through moving upwards.
Optionally, the movable material blocking part is hinged in the storage bin; the power input part is convexly arranged on the movable material blocking part, and the hinged position of the movable material blocking part is positioned above the material ejecting part;
be provided with on the material ejection piece and be used for pushing the jacking slide wedge of power input portion, the jacking slide wedge upwards stretches out the direction holding surface of material ejection piece, the jacking slide wedge has back to the slope top surface of sequencing conveyer way, works as the material ejection piece rises to after triggering the position, the slope top surface with the contact of power input portion, the jacking slide wedge pushes the activity is kept off the material piece and is rotated to keeping away from the direction of sequencing conveyer way.
Optionally, the passive material blocking mechanism further comprises a rotating shaft, the rotating shaft is arranged beside the material pushing part, a spiral guide groove is arranged on the outer wall of the rotating shaft, the movable material blocking part is arranged on the rotating shaft and rotates along with the rotating shaft,
the material pushing part is provided with a driving pin, the position of the driving pin corresponds to the position of the spiral guide groove, and when the material pushing part rises to the triggering position, the driving pin enters the spiral guide groove and drives the rotating shaft to rotate, so that the movable material blocking part is far away from the sequencing conveying channel.
Optionally, the movable material blocking part scrapes redundant articles and/or articles with abnormal postures back to the bin through movement.
Optionally, the movable material blocking part is movably arranged in the storage bin, and the movable material blocking part moves away from or close to the sequencing conveying channel; the power input part is convexly arranged on the movable material blocking part, and the movable material blocking part is positioned above the material ejecting part;
the jacking part is provided with a jacking inclined wedge used for pushing the power input part, the jacking inclined wedge upwards extends out of a guide supporting surface of the jacking part, the jacking inclined wedge is back to back provided with an inclined top surface of the sequencing conveying channel, when the jacking part rises to the triggering position, the inclined top surface is contacted with the power input part, and the jacking inclined wedge pushes the movable material blocking part to move away from the sequencing conveying channel.
Optionally, the passive material blocking mechanism further comprises an elastic member, the movable position of the movable material blocking member comprises a first position and a second position, the elastic member is used for driving the movable material blocking member to maintain the first position,
in the ascending process of the material ejecting part, after the material ejecting part ascends to the triggering position, the article ejected on the material ejecting part starts to contact the movable material blocking part and pushes the movable material blocking part to move or rotate from the first position to the second position.
Optionally, a vertical guide groove for guiding the material ejecting part is arranged in the stock bin.
Optionally, guide protrusions for forming the vertical guide grooves are arranged on the inner wall of the storage bin, and the guide protrusions are distributed on two sides of the vertical guide grooves.
Optionally, the movable blocking part is provided with a pushing surface for forming the temporary feeding slit with the supporting guide surface, and the pushing surface is an inclined surface or an arc surface back to the sequencing conveying channel.
Correspondingly, the invention also provides a sequencing device, which comprises:
a machine frame, a plurality of guide rails and a plurality of guide rails,
the bin is arranged on the rack and used for storing articles;
a sorting conveyor lane for sorting and conveying articles;
the feeding mechanism is any one of the feeding mechanisms.
According to the feeding mechanism and the sequencing device, the reaction cups can be still in a dynamic state after being screened for the first time after entering the temporary slit, and the movable material blocking piece can continuously and actively apply acting force to the dynamic reaction cups.
Drawings
FIG. 1 is a schematic view showing the structure of a reaction cup;
FIG. 2 is a schematic diagram of an exemplary structure of the sorting apparatus of the present invention;
FIG. 3 is a schematic view of the sorting apparatus of FIG. 2 shown in another perspective view;
fig. 4 is a schematic view of the passive striker mechanism in fig. 2 before being triggered;
fig. 5 is a schematic view of the passive striker mechanism in fig. 2 after being triggered;
FIG. 6 is a schematic diagram of another exemplary sequencing apparatus of the present invention;
FIG. 7 is a schematic view of the sorting apparatus of FIG. 6 shown in another perspective view;
fig. 8 is a schematic view of the passive striker mechanism in fig. 6 before being triggered;
fig. 9 is a schematic view showing the passive striker mechanism in fig. 6 after being triggered;
fig. 10 is a schematic view of an exemplary passive striker mechanism in a triggered state (ejector is in the triggered position);
fig. 11 shows another state diagram of the passive stop mechanism in fig. 10 (the ejector is in the feed position);
fig. 12 is a schematic view of the passive striker mechanism of fig. 11 from another perspective;
fig. 13 is a schematic view of an exemplary passive striker mechanism in a triggered state (ejector is in the triggered position);
fig. 14 shows another state diagram of the passive dam mechanism of fig. 13 (the stripper is in the feed position);
fig. 15 is a schematic view of another exemplary passive stop mechanism in a triggered state (with the ejector in the triggered position);
fig. 16 shows another state diagram of the passive dam mechanism of fig. 15 (with the ejector at the feed position);
fig. 17 is a schematic structural view of the passive striker mechanism of fig. 15;
FIG. 18 is a schematic view of the construction of the ejector member of FIG. 15;
fig. 19 is a schematic view of a further exemplary passive stop mechanism when triggered (with the ejector in the triggered position);
fig. 20 shows another state diagram of the passive stop mechanism of fig. 19 (the stripper is in the feed position);
FIG. 21 is a schematic diagram of an exemplary construction of the topper member;
fig. 22 is a schematic view of yet another exemplary passive stop mechanism in a triggered state (ejector is in the triggered position);
fig. 23 shows another state diagram of the passive stop mechanism of fig. 22 (the ejector is in the feed position).
The description of reference numerals in the examples includes:
a frame 100;
the device comprises a storage bin 200, a vertical guide groove 201 and a guide bulge 210;
a sorting lane 300;
the ejection piece 410, the support guide surface 410a, the support protrusion 411, the pushing part 412, the jacking wedge 413 and the drive pin 414;
the device comprises a passive material blocking mechanism 420, a power input part 421, a movable material blocking member 422, a material pushing surface 422a, a lifting guide rod 423, a guide seat 424, a limiting part 423a, a first power input part 421b, a second power input part 421a, a connecting rod 425, a lifting slide block 426, a rotating shaft 427 and a spiral guide groove 427 a.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
It is to be understood that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, like reference numerals refer to like elements throughout.
The feeding mechanism of each of the following embodiments is applied to a sequencing device, referring to fig. 2, 3, 6 and 7, the sequencing device includes a rack 100, a bin 200, a sequencing conveyor 300 and the feeding mechanism, the bin 200 is disposed on the rack 100, the bin 200 is used for storing articles, the sequencing conveyor 300 is used for sequencing the articles and conveying the articles, for convenience of describing the articles of each of the following embodiments are reaction cups, the articles sequenced in the actual implementation process can also be other articles, and in operation, the sequencing mechanism is used for sequentially feeding the reaction cups a one by one onto the sequencing conveyor 300 to realize the sequential arrangement of the reaction cups.
With reference to fig. 2 to 23, the feeding mechanism of the present invention includes a material ejection member 410 and a passive material blocking mechanism 420, wherein the material ejection member 410 is used for ejecting the articles in the storage bin 200 from bottom to top to the sequencing conveying path 300, the material ejection member 410 is disposed beside the sequencing conveying path 300, the top of the material ejection member 410 has a support guide surface 410a, the stroke position of the material ejection member 410 includes a material ejection position, a material feeding position above the material ejection position, and a trigger position between the material feeding position and the material ejection position, the passive material blocking mechanism 420 is used for blocking the articles in abnormal postures and the redundant articles back to the storage bin 200, the passive material blocking mechanism 420 includes a movable material blocking member 422, and the passive material blocking mechanism 420 is provided with a power input portion 421.
In the ascending process of the ejector 410, when the ejector 410 ascends to the triggering position, the ejector 410 starts to contact with the power input part 421, a temporary feeding slit B is formed between the support guide surface 410a and the movable material blocking part 422, the slit width of the temporary feeding slit B is larger than the outer diameter of a single reaction cup but smaller than the sum of the outer diameters of two reaction cups which are overlapped in a lying posture, so that the temporary feeding slit B can only be passed by the single reaction cup, and in the process that the ejector ascends to the triggering position, the temporary feeding slit is gradually formed, so that the reaction cups can be screened, and the redundant reaction cups or the reaction cups in an abnormal posture (vertical cups) can be squeezed back into the storage bin; if the redundant reaction cups or the reaction cups with abnormal postures cannot be smoothly squeezed back into the silo, when the material ejecting part 410 moves from the triggering position to the feeding position, the material ejecting part 410 triggers the movable material blocking part 422 to act through the pushing power input part 421, and the movable material blocking part 422 can continuously apply force for blocking the redundant reaction cups or the reaction cups with abnormal postures back into the silo; in the descending process of the ejector 410, the ejector 410 is separated from the power input part 421 after descending to the trigger position, and the passive material stopping mechanism 420 is reset.
In the invention, when the ejection part reaches the trigger position to complete the first screening, if two reaction cups or reaction cups with abnormal postures still stay on the support guide surface 410a, the ejection part 410 can still go upward continuously, so that a redundant reaction cup or a reaction cup with an abnormal posture which is positioned above the ejection part continues to go upward along with the ejection part 410, the movable material blocking part 422 is triggered and continuously generates an acting force for blocking the redundant reaction cup back to the storage bin 200, namely the reaction cup enters the temporary slit and then is in a dynamic state, the movable material blocking part 422 can continuously and actively apply an acting force to the dynamic reaction cup, compared with a static material blocking part, the mode is more favorable for preventing the reaction cup from being stuck in the temporary feeding slit B, and the acting force for blocking the redundant reaction cup back to the storage bin can be applied for a longer time, so that the reliability of the feeding process is improved, and the action of the movable material blocking part 422 does not need to additionally set power, in addition, the primary screening is completed in the process that the ejection piece reaches the trigger position, while the primary screening is performed on the ejection piece at the feeding position in the existing feeding mechanism, so that two reaction cups can pass through the slit in tandem.
In fig. 3, 4, 6, and 7, since the sorting conveyance path is inclined in the conveyance direction, the support guide surface 410a also has an inclined direction in the conveyance direction that coincides with the sorting conveyance path, but in an actual implementation, the conveyance direction of the sorting conveyance path 300 may be set horizontally, and the support guide surface 410a may or may not be inclined in the conveyance direction of the sorting conveyance path 300. In addition, in the invention, the height position of the supporting guide surface 410a gradually becomes lower in the direction from the ejector 410 to the sequencing conveying channel 300, so that when the ejector 410 is at the feeding position, the articles on the supporting guide surface 410a can fall onto the sequencing conveying channel 300 under the action of self weight, and the reaction cups can automatically enter the sequencing conveying channel without arranging other mechanisms or power.
Specifically, referring to fig. 2 to 9 and 21, in some embodiments, the passive stopping mechanism 420 further includes a guide seat 424, the movable stopping member 422 is disposed on the guide seat 424 in a liftable manner, the movable stopping member 422 has a bottom surface for forming a temporary feeding slit B with the supporting guide surface 410a, the power input portion 421 is disposed on the bottom surface of the movable stopping member 422, and a limiting structure for maintaining the width of the temporary feeding slit B is disposed between the power input portion 421 and the material ejecting member 410, with reference to fig. 2 to 5, the limiting structure is located at one end of the temporary feeding slit B, the limiting structure includes the power input portion 421, and the power input portion 421 is disposed on the bottom surface of the movable stopping member 422 in a protruding manner.
During the upward travel of the ejector 410: when the ejector 410 leaves the ejection position but does not reach the trigger position, the ejector 410 is not in contact with the power input part 421, and the whole passive material stop mechanism 420 is in a static state; when the ejector 410 reaches the trigger position, the ejector 410 starts to contact with the power input part 421, the temporary feeding slit B is formed between the support guide surface 410a and the movable material blocking part 422, and no matter what posture the redundant reaction cup is jacked up, an interaction force is generated between the reaction cup and the movable material blocking part 422; when the material ejecting part 410 rises from the triggering position to the feeding position, the material ejecting part 410 overcomes the self weight of the movable material blocking part 422 to push the movable material blocking part 422 to go upwards, the power input part 421 enables the distance between the bottom surface of the movable material blocking part 422 and the supporting guide surface 410a of the movable material blocking part 422 to be constant all the time, so that the movable material blocking part 422 can generate certain extrusion force on the redundant reaction cups in a dynamic state, and the redundant reaction cups can be blocked back to the material bin 200 under the action of the extrusion force for a long time; when the material ejecting member 410 moves upward to the feeding position, the reaction cup positioned in the temporary feeding slit B rolls onto the sequencing conveying path 300 along the supporting guide surface 410a under the action of its own weight.
During the downward movement of the ejector 410: when the material ejecting part 410 returns to the triggering position from the feeding position, the movable material blocking part 422 is gradually reset under the action of self weight; when the ejector 410 continues to return from the trigger position to the ejector position, the movable dam 422 no longer descends and the power input 421 disengages the movable dam 422.
The feeding mechanism adopting the mode is beneficial to preventing the reaction cup from being stuck in the temporary feeding slit and improving the reliability of the feeding process; and at the moment that the redundant reaction cups start to contact the movable material blocking part 422 along with the material ejecting part 410, the movable material blocking part 422 can also reduce the impact between the reaction cups and the material ejecting part through self-adaptive ascending, so that the probability of collision and ejection of the reaction cups in a cup bin due to collision damage is reduced, and the probability of collision and abnormal sound is reduced.
In some embodiments, the guide seat 424 is located above the movable material blocking member 422, so that if the material ejection member moves from the triggering position to the feeding position, if the excess reaction cups or reaction cups with abnormal postures are not blocked back to the material bin, the movable material blocking member 422 may collide with the guide seat 424 at the moment when the material ejection member reaches the feeding position, which is beneficial to more reliably blocking the excess reaction cups and reaction cups with abnormal postures back to the material bin, and improves the feeding reliability.
In practical implementation, the limit structures may be formed at both ends of the temporary feeding slit B, and the limit structures may also include supporting protrusions 411 protruded on the supporting guide surfaces 410a of the ejector 410, for example, in fig. 6 to 9, a first limit structure including the supporting protrusions 411 provided on the ejector 410 and a first power input portion 421B provided on the movable material blocking member 422 and a second limit structure including only the second power input portion 421a protruded on the movable material blocking member 422 are provided.
In some embodiments, with reference to fig. 2 to 9 in combination, the passive material blocking mechanism 420 further includes a lifting guide rod 423, a guide seat 424 is provided with a guide hole for guiding the lifting guide rod 423, the movable material blocking member 422 is disposed at the bottom of the lifting guide rod 423, and the lifting guide rod 423 is provided with a limiting portion 423a for limiting a downward position of the movable material blocking member 422. Specifically, referring to fig. 6 to 9 in combination, the number of the lifting guide rods 423 may be one, and an anti-rotation structure is disposed between the lifting guide rods 423 and the guide holes, in fig. 8 and 9, the cross section of the lifting guide rods 423 is set to be square, and the guide holes are set to be square holes to achieve anti-rotation. In addition, the lifting guide rod is not arranged, and other modes such as a sliding groove and the like are adopted to realize the lifting guide of the movable material blocking piece, so that in the actual implementation process, the movable material blocking piece can be lifted and guided.
In still other embodiments, referring to fig. 10-18 in combination, the movable dam 422 scrapes excess items and/or abnormally-positioned items back to the bin 200 by rotating away from or toward the sequencing run 300, and the movable dam 422 rotates away from the conveying path. In these embodiments, the temporary feeding slit B is in a changed state after the ejector 410 reaches the trigger position.
Specifically, in some embodiments, referring to fig. 10 to 12, the passive material blocking mechanism 420 is a connecting rod 425 mechanism, the passive material blocking mechanism 420 includes a movable material blocking member 422, a connecting rod 425 and a lifting slider 426, the movable material blocking member 422 is hinged in the storage bin 200, and the hinged position of the movable material blocking member 422 is above the material ejecting member 410; the lifting slide block 426 is arranged in the stock bin 200 in a lifting way, and the power input part 421 is formed on the lifting slide block 426; the connecting rod 425 is connected between the movable material blocking part 422 and the lifting slide block 426, and the connecting rod 425 is respectively hinged with the movable material blocking part 422 and the lifting slide block 426; the ejector 410 is provided with a pushing part 412 protruding from a side thereof for pushing the lifting slider 426.
When the ejector 410 rises to the trigger position, the pushing part 412 contacts with the power input part 421 of the lifting slider 426, the pushing part 412 pushes the lifting slider 426 to move upwards, and the lifting slider 426 drives the movable material blocking part 422 to swing in the direction away from the sequencing conveying channel 300 through moving upwards, so that redundant reaction cups or reaction cups with abnormal postures are scraped back into the bin 200 by the movable material blocking part 422.
Specifically, in other embodiments, referring to fig. 13 and 14, the passive material blocking mechanism 420 includes a movable material blocking member 422 and a power input portion 421, and the movable material blocking member 422 is hinged in the storage bin 200; the power input part 421 is convexly arranged on the movable material blocking part 422; the jacking piece 410 is provided with a jacking wedge 413 for pushing the power input part 421, the jacking wedge 413 upwards extends out of the guide supporting surface of the jacking piece 410, and the jacking wedge 413 is provided with an inclined top surface back to the sequencing conveying channel 300.
When the material ejecting member 410 rises to the triggering position, the inclined top surface contacts with the power input portion 421, the inclined top surface supports the power input portion 421, and the lifting wedge 413 pushes the movable material blocking member 422 to rotate in a direction away from the sequencing conveying channel 300, so that the movable material blocking member 422 blocks the redundant reaction cups or reaction cups with abnormal postures in the material storage bin 200.
Specifically, in some embodiments, referring to fig. 15 to 18, the passive material stopping mechanism 420 includes a rotating shaft 427, the rotating shaft 427 is disposed at the side of the ejecting member 410, a spiral guide groove 427a is disposed on the outer wall of the rotating shaft 427, the power input portion 421 is formed on the rotating shaft 427, and the movable material stopping member 422 is disposed on the rotating shaft 427 and rotates with the rotating shaft 427;
the ejector 410 is provided with a driving pin 414, the position of the driving pin 414 corresponds to the position of the spiral guide groove 427a, and when the ejector 410 rises to the trigger position, the driving pin 414 enters the spiral guide groove 427a and drives the rotating shaft 427 to rotate, so that the movable material blocking member 422 is far away from the sorting conveying channel.
In still other embodiments, the movable dam 422 is moved to scrape excess items and/or abnormally-positioned items back into the bin 200.
Specifically, in some embodiments, referring to fig. 10 and 20, the movable material blocking member 422 is movably disposed in the storage bin 200, the movable material blocking member 422 moves away from or close to the sequencing conveying path 300, the power input portion 421 is convexly disposed on the movable material blocking member 422, the ejector 410 is provided with a jacking wedge 413 for pushing the power input portion 421, the jacking wedge 413 extends upward out of a guide supporting surface of the ejector 410, the jacking wedge 413 has an inclined top surface facing away from the sequencing conveying path 300, when the ejector 410 is raised to the trigger position, the inclined top surface contacts the power input portion 421, and the jacking wedge 413 pushes the movable material blocking member 422 to move in a direction away from the sequencing conveying path 300.
In each of the above embodiments, the power input portion 421 is provided, for example, referring to fig. 22 and 23, the passive stopping mechanism of the passive stopping mechanism further includes an elastic member (not shown) in an actual implementation process, the moving position of the movable stopping member 422 includes a first position and a second position, the elastic member is used for driving the movable stopping member to be held at the first position (see fig. 22), specifically, in fig. 22 and 23, the passive stopping mechanism is also provided with a guide seat 424 and a lifting guide rod 423, the movable stopping member 422 is provided at a bottom end of the lifting guide rod 423, the lifting guide rod 423 penetrates through the guide seat 424, and the elastic member (not shown) is provided between the guide seat 424 and the movable stopping member 422.
In this way, in the ascending process of the ejector, after the ejector reaches the trigger position, the article jacked up on the ejector starts to contact the movable material blocking member, and continues to ascend, the article pushes the movable material blocking member to move (see fig. 23) or rotate (not shown) to the second position, and when the ejector ascends to the feeding position, the movable material blocking member is just located at the second position. In this way, the passive material blocking mechanism is substantially triggered by the reaction cup, the reaction cup is always extruded by the material blocking member and the movable material blocking member in the process that the material blocking member ascends from the triggering position to the feeding position, and when the power input part 421 is arranged, referring to fig. 2 to fig. 20, the passive material blocking mechanism is triggered by the material blocking member instead of the reaction cup, and the material blocking member ascends from the triggering position to the feeding position, so that the reaction cup can be completely free from extrusion or the extrusion degree can be greatly reduced, and the reaction cup is more favorably prevented from being damaged.
In some embodiments, referring to fig. 2 and 3, a vertical guide groove 201 for guiding the ejector 410 is disposed in the bin 200, and the vertical guide groove 201 can restrict a gap position relative to the slide way when the lifting plate is lifted, so as to ensure position accuracy when the reaction cup is lifted.
In some embodiments, referring to fig. 2 and 3, the inner wall of the storage bin 200 is provided with guide protrusions 210 for forming vertical guide grooves 201, and each guide protrusion 210 is distributed on two sides of the vertical guide groove 201, at this time, the guide protrusions 210 can push the reaction cup which is jacked up in a vertical state to fall back into the storage bin, so as to avoid the reaction cup which is jacked up vertically from impacting the moving stopper to generate abnormal sound.
In some embodiments, referring to fig. 2 to 21 in combination, the movable material blocking member 422 is provided with a material pushing surface 422a for forming a temporary feeding slit B with the supporting guide surface 410a, and the material pushing surface 422a is an inclined surface or an arc surface facing away from the sequencing conveying channel 300, such material pushing surface 422a can make the width of each slit of the temporary feeding slit B uniform, which is beneficial to making the reaction cup enter the sequencing conveying channel in a more stable posture, and on the other hand, is beneficial to reducing the impact degree when the excess reaction cup or the reaction cup with an abnormal posture is blocked back to the material bin 200.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between.
In the description of the invention, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, components, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, and/or groups thereof.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (14)
1. A feed mechanism, comprising:
the ejection part is used for ejecting articles in the storage bin to the sequencing conveying channel from bottom to top, the ejection part is arranged beside the sequencing conveying channel, a supporting guide surface is arranged at the top of the ejection part, the height position of the supporting guide surface gradually becomes lower in the direction from the ejection part to the sequencing conveying channel, and the stroke position of the ejection part comprises an ejection position, a feeding position above the ejection position and a triggering position between the feeding position and the ejection position;
the passive material blocking mechanism comprises a movable material blocking part;
in the ascending process of the material ejecting part, when the material ejecting part ascends to the triggering position, a temporary feeding slit for a single article to pass through is formed between the supporting guide surface and the movable material blocking part, and when the material ejecting part moves from the triggering position to the feeding position, the movable material blocking part is triggered to act by the material ejecting part or a reaction cup on the material ejecting part; in the descending process of the material ejecting part, the passive material stopping mechanism resets after the material ejecting part descends to the triggering position.
2. The feed mechanism of claim 1, wherein: the passive material blocking mechanism is provided with a power input part;
in the ascending process of the material ejecting piece, after the material ejecting piece ascends to the triggering position, the material ejecting piece starts to contact with the power input part, and the passive stock stop mechanism is triggered to act by pushing the power input part; in the descending process of the material ejecting part, the material ejecting part is separated from the power input part after descending to the triggering position, and the power stop mechanism is released to reset.
3. The feed mechanism of claim 2, wherein: the passive stock stop still includes the guide holder, the setting that the activity kept off the material piece liftable is in on the guide holder, the activity keeps off the material piece setting and is in the top of liftout spare, the activity keep off the material piece have be used for with support the surface of direction forms the bottom surface of interim feeding slit, power input portion sets up the activity keeps off the material piece on the bottom surface, just be provided with between power input portion and the liftout spare and be used for keeping the limit structure of interim feeding slit width, limit structure is in the one end or both ends of interim feeding slit.
4. The feed mechanism of claim 3, wherein:
the limiting structure comprises the power input part, and the power input part is convexly arranged on the bottom surface of the movable material blocking part;
or
The limiting structure comprises a supporting protrusion arranged on the supporting guide surface of the material ejecting part in a protruding mode.
5. The feed mechanism of claim 3, wherein: the passive material blocking mechanism further comprises a lifting guide rod, a guide hole used for aligning the lifting guide rod is formed in the guide seat, the movable material blocking part is arranged at the bottom of the lifting guide rod, and a limiting part used for limiting the descending position of the movable material blocking part is arranged on the lifting guide rod;
the number of the lifting guide rods is one or at least two, and when the number of the lifting guide rods is one, an anti-rotation structure is arranged between the lifting guide rods and the guide holes.
6. The feed mechanism of claim 2, wherein: the movable material blocking part is far away from or close to the sequencing conveying channel through rotation, and the movable material blocking part scrapes redundant articles and/or articles with abnormal postures back to the stock bin through rotation in the direction far away from the conveying channel.
7. The feed mechanism of claim 6, wherein:
the passive material blocking mechanism is a connecting rod mechanism and comprises a movable material blocking part, a lifting slide block and a connecting rod, the movable material blocking part is hinged in the storage bin, the hinged position of the movable material blocking part is positioned above the material ejecting part, the lifting slide block is arranged in the storage bin in a lifting mode, and the power input part is formed on the lifting slide block; the connecting rod is connected between the movable material blocking part and the lifting slide block and is hinged with the movable material blocking part and the lifting slide block respectively; the side surface of the material ejecting part is convexly provided with a pushing part for pushing the lifting slide block, when the material ejecting part rises to the trigger position, the pushing part is contacted with the power input part of the lifting slide block, the pushing part pushes the lifting slide block to move upwards, and the lifting slide block drives the movable material blocking part to swing in the direction far away from the sequencing conveying channel through moving upwards;
or;
the movable material blocking part is hinged in the storage bin; the power input part is convexly arranged on the movable material blocking part, and the hinged position of the movable material blocking part is positioned above the material ejecting part; the jacking wedge is used for pushing the power input part and extends upwards out of a guide supporting surface of the jacking part, the jacking wedge is provided with an inclined top surface back to the sequencing conveying channel, when the jacking part rises to the trigger position, the inclined top surface is contacted with the power input part, and the jacking wedge pushes the movable material blocking part to rotate in the direction far away from the sequencing conveying channel;
or; passive stock stop still includes the pivot, the pivot sets up the side of material ejection spare, be provided with the spiral guide way on the outer wall of pivot, the activity is kept off the material setting and is in the pivot and along the pivot rotates, be provided with the driving pin on the material ejection spare, the position of driving pin with the position of spiral guide way corresponds, works as material ejection spare rises to after triggering the position, the driving pin gets into the spiral guide way, and drive the pivot rotates, makes the activity keeps off the material spare and keeps away from sort transfer passage.
8. The feed mechanism of claim 2, wherein: the movable material blocking part scrapes redundant articles and/or articles with abnormal postures back to the stock bin through moving.
9. The feed mechanism of claim 8, wherein: the movable material blocking part is movably arranged in the stock bin and moves away from or close to the sequencing conveying channel; the power input part is convexly arranged on the movable material blocking part, and the movable material blocking part is positioned above the material ejecting part;
the jacking part is provided with a jacking inclined wedge used for pushing the power input part, the jacking inclined wedge upwards extends out of a guide supporting surface of the jacking part, the jacking inclined wedge is back to back provided with an inclined top surface of the sequencing conveying channel, when the jacking part rises to the triggering position, the inclined top surface is contacted with the power input part, and the jacking inclined wedge pushes the movable material blocking part to move away from the sequencing conveying channel.
10. The feed mechanism of claim 1, wherein: the passive material blocking mechanism further comprises an elastic piece, the movable position of the movable material blocking piece comprises a first position and a second position, the elastic piece is used for driving the movable material blocking piece to be kept at the first position,
in the ascending process of the material ejecting part, after the material ejecting part ascends to the triggering position, the article ejected on the material ejecting part starts to contact the movable material blocking part and pushes the movable material blocking part to move or rotate from the first position to the second position.
11. The feeding mechanism according to any one of claims 1 to 10, wherein: and a vertical guide groove for guiding the ejection piece is arranged in the storage bin.
12. The feed mechanism of claim 11, wherein: the inner wall of the storage bin is provided with guide protrusions used for forming the vertical guide grooves, and the guide protrusions are distributed on two sides of the vertical guide grooves.
13. The feeding mechanism according to any one of claims 1 to 10, wherein: the movable material blocking part is provided with a material pushing surface used for forming the temporary feeding slit with the supporting guide surface, and the material pushing surface is an inclined surface or an arc surface back to the sequencing conveying channel.
14. A sequencing apparatus, comprising:
a machine frame, a plurality of guide rails and a plurality of guide rails,
the bin is arranged on the rack and used for storing articles;
a sorting conveyor lane for sorting and conveying articles;
a feeding mechanism as claimed in any one of claims 1 to 13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110184706.8A CN112938531B (en) | 2021-02-10 | 2021-02-10 | Feeding mechanism and sequencing device |
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| CN202110184706.8A CN112938531B (en) | 2021-02-10 | 2021-02-10 | Feeding mechanism and sequencing device |
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| CN112938531B CN112938531B (en) | 2022-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702656A (en) * | 2021-08-27 | 2021-11-26 | 中元汇吉生物技术股份有限公司 | Feeding sequencing device and sample analyzer |
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| CN112340410A (en) * | 2020-11-13 | 2021-02-09 | 重庆中元汇吉生物技术有限公司 | Feeding sorting device and feeding sorting method |
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| GB1435986A (en) * | 1972-11-25 | 1976-05-19 | Matsushita Electric Ind Co Ltd | Parts supply apparatus |
| CN210150331U (en) * | 2019-06-03 | 2020-03-17 | 广东美的智能机器人有限公司 | Feeding device for shaft materials |
| CN110894008A (en) * | 2019-12-31 | 2020-03-20 | 思乐福智能科技(苏州)有限公司 | Axle type gravity feed bin |
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| CN113702656A (en) * | 2021-08-27 | 2021-11-26 | 中元汇吉生物技术股份有限公司 | Feeding sequencing device and sample analyzer |
| CN113702656B (en) * | 2021-08-27 | 2024-06-07 | 中元汇吉生物技术股份有限公司 | Feeding sequencing device and sample analyzer |
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| CN112938531B (en) | 2022-03-25 |
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