CN219970987U - Automatic feeding device for material tray - Google Patents

Abstract

The utility model provides an automatic feeding device for a tray, which comprises a frame body, a storage mechanism, a clamping mechanism, a lifting mechanism and a conveying mechanism. Wherein, the frame body provides the installation foundation of each component; the storage mechanism is used for stacking and accommodating the trays, and the bottom end of the storage mechanism is provided with an opening; the clamping mechanism comprises two clamping pieces which can move horizontally, and the two clamping pieces are respectively arranged at two opposite sides of the storage mechanism so as to clamp the material tray; the lifting mechanism comprises a supporting piece capable of moving up and down, and the supporting piece is used for supporting the material tray to move downwards; the conveying mechanism comprises two conveying belts which reciprocate in the horizontal direction and rotate in a reciprocating mode, the two conveying belts are respectively arranged on two opposite sides of the supporting piece, and the conveying belts are used for conveying the material tray supported by the supporting piece to the next station. The automatic feeding device for the material tray can realize automatic continuous feeding of the material tray through cooperation of all mechanisms, has smooth and efficient feeding process, reduces the operation intensity of operators, and improves the work and production efficiency.

Description

Automatic feeding device for material tray

Technical Field

The utility model relates to the technical field of automatic devices, in particular to an automatic feeding device for a material tray.

Background

In the field of welding processing, due to the fact that the size of some welding elements is small, in the process of feeding, a plurality of welding elements are generally required to be placed on a material tray, and concentrated batch feeding of the welding elements is achieved through feeding the material tray.

The feeding efficiency of charging tray has restricted the production efficiency of complete machine to a great extent, and prior art generally adopts the manual work to put the charging tray, and not only inefficiency, human cost is high, and is difficult to follow production rhythm and continuously feed, can't adapt to automatic batch processing demand.

Disclosure of Invention

In order to solve the existing technical problems, the utility model provides an automatic feeding device for a material tray, which can automatically and continuously feed materials.

In order to achieve the above object, the technical solution of the embodiment of the present utility model is as follows:

the embodiment of the utility model provides an automatic feeding device for a tray, which comprises the following components:

a frame body;

the storage mechanism is arranged on the frame body, a plurality of trays are stacked up and down in sequence and are arranged in the storage mechanism, and the bottom end of the storage mechanism is provided with an opening;

the clamping mechanism is arranged on the frame body and comprises two clamping pieces capable of horizontally moving, the two clamping pieces are respectively arranged on two opposite sides of the storage mechanism, and the two clamping pieces relatively move to clamp the material tray;

the lifting mechanism is arranged on the frame body and positioned below the storage mechanism, and comprises a supporting piece capable of moving up and down, and the supporting piece is used for supporting the tray to move downwards;

the conveying mechanism is arranged on the frame body and located below the storage mechanism, the conveying mechanism comprises two conveying belts which reciprocate in the horizontal direction and rotate in a reciprocating mode, the two conveying belts are respectively arranged on two opposite sides of the supporting piece, and the conveying belts are used for conveying a tray supported by the supporting piece to the next station.

In one embodiment, the storage mechanism comprises a plurality of limiting pieces, a plurality of limiting pieces are arranged in a surrounding mode to form a storage space for accommodating the tray, and the cross-sectional shape of the storage space is matched with the shape of the tray.

In one embodiment, the clamping mechanism comprises two groups of sliding assemblies, two fixing plates which are horizontally arranged are arranged on two opposite sides of the storage mechanism on the frame body, the two groups of sliding assemblies are respectively arranged on the two fixing plates, and each group of sliding assemblies comprises a pneumatic push rod, a connecting piece and the clamping piece;

the pneumatic push rod is fixedly arranged on the fixing plate, the connecting piece is fixedly arranged at the output end of the pneumatic push rod, and the clamping piece is fixedly connected with the connecting piece, so that the pneumatic push rod can drive the connecting piece to drive the clamping piece to move towards or away from the storage mechanism.

In one embodiment, a protruding block is disposed on one side of the clamping piece, facing the fixing plate, a sliding groove is disposed on the protruding block, a sliding strip corresponding to the sliding groove is disposed on the fixing plate, and the sliding strip is slidably disposed in the sliding groove, so that the clamping piece is slidably matched with the fixing plate.

In one embodiment, a mounting plate is arranged at the bottom side of the clamping piece, and a buffer piece is arranged at one side of the mounting plate, which faces the frame body.

In one embodiment, the lifting mechanism comprises a first motor, a screw rod, a movable plate, at least one bearing column and a supporting piece, wherein the first motor is connected with the screw rod in a transmission manner to drive the screw rod to rotate, the movable plate is in threaded connection with the screw rod, one end of the bearing column is fixedly connected with the movable plate, and the other end of the bearing column is fixedly connected with the supporting piece.

In one embodiment, the lifting mechanism further comprises a fixing frame connected with the frame body, the fixing frame comprises a first transverse plate and a second transverse plate which are parallel from bottom to top and are arranged at intervals, the first transverse plate is connected with the second transverse plate through a vertical rod, and the second transverse plate is fixedly connected with the frame body;

the first motor is fixedly arranged at the bottom side of the first transverse plate, one end of the screw rod is in transmission connection with the first motor, and the other end of the screw rod penetrates through the first transverse plate in a rotatable manner and is in rotatable connection with the second transverse plate through a bearing; the movable plate is positioned between the first transverse plate and the second transverse plate, and the bearing column slidably penetrates through the second transverse plate.

In one embodiment, a position sensor is disposed between the first transverse plate and the second transverse plate, and the position sensor is used for detecting the movement position of the movable plate.

In one embodiment, the conveying mechanism comprises a supporting frame, a second motor, a transmission belt, a first synchronous wheel, a second synchronous wheel, a synchronous shaft and two groups of synchronous belt assemblies; the support frame is fixedly connected with the frame body, two groups of synchronous belt assemblies are oppositely arranged on two sides of the support frame, the bearing piece is arranged between the two groups of synchronous belt assemblies, and each group of synchronous belt assemblies comprises a driving wheel, a driven wheel and a conveying belt;

the first synchronous wheel is arranged at the output end of the first motor, the second synchronous wheel is arranged on the synchronous shaft, and the transmission belt is in transmission connection with the first synchronous wheel and the second synchronous wheel; the synchronous shafts are rotatably arranged on the support frame, the driving wheels of the two groups of synchronous belt assemblies are respectively arranged at two ends of the synchronous shafts, the driven wheels are arranged on the support frame, and the conveying belt is in transmission connection with the driving wheels and the driven wheels, so that the conveying belt can reciprocate and rotate around the driving wheels and the driven wheels.

In one embodiment, the synchronous belt assembly further comprises a first tensioning wheel and a second tensioning wheel, the first tensioning wheel is fixedly arranged on the supporting frame, the first tensioning wheel is arranged on the inner side of the conveying belt and clings to the conveying belt, the second tensioning wheel is slidably arranged on the supporting frame, and the second tensioning wheel is arranged on the outer side of the conveying belt and clings to the conveying belt.

The automatic feeding device for the material tray has at least the following beneficial effects: the working process of the automatic feeding device of the material tray comprises the following steps: controlling the two clamping pieces to clamp the lowest tray of the tray stack so as to bear the tray stack; after the control bearing piece moves upwards to be in contact with the lowest tray of the tray stack, the two clamping pieces are controlled to loosen the lowest tray, and the bearing piece is used for bearing the tray stack; controlling the supporting piece to descend, controlling the two clamping pieces to be closed to clamp the second trays from bottom to top when the second trays from bottom to top correspond to the clamping pieces in the descending process, so as to bear the rest of the trays except the lowest tray, and enabling the lowest tray to descend along with the supporting piece; when the support member descends to the lowest tray to be in contact with the conveying belt, the support member continues to descend, the lowest tray is conveyed to the next station by the conveying belt, and the feeding process of one tray is completed; the continuous feeding of the material tray can be realized by circularly operating the process. According to the automatic feeding device for the material tray, automatic continuous feeding of the material tray can be realized through cooperation of the clamping mechanism, the lifting mechanism and the conveying mechanism, the feeding process is smooth and efficient, the operation intensity of operators is reduced, and the working and production efficiency is improved; the device has simple integral structure, ingenious design and reasonable conception, and is convenient for popularization and application in the automatic processing industry.

Drawings

FIG. 1 is a schematic structural diagram of an automatic tray feeding device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a first working state of the automatic feeding device of the tray in FIG. 1;

FIG. 3 is a second schematic diagram of the working state of the automatic feeding device of the tray in FIG. 1;

fig. 4 is a schematic diagram of a split structure of the automatic feeding device of the tray in fig. 1;

FIG. 5 is a schematic diagram of a tray according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a split structure of a slide assembly of the clamping mechanism of FIG. 4;

FIG. 7 is a schematic view of the lifting mechanism of FIG. 4;

FIG. 8 is a schematic view of the transport mechanism of FIG. 4;

fig. 9 is a schematic view of the installation structure of the timing belt assembly of fig. 8.

The reference numerals of the elements in the drawings are as follows: a frame body 10; a side plate 11; a fixing plate 12; a slide bar 121; a pneumatic push rod 21; a connecting member 22; a clamp 23; a bump 231; a chute 232; a mounting plate 233; a buffer 234; a first motor 31; a screw 32; a movable plate 33; a load-bearing post 34; a support member 35; a fixing frame 36; a first cross plate 361; a second cross plate 362; a track 363; a baffle 37; a photoelectric switch 38; a support frame 41; a riser 411; slot 4111; a second motor 42; a belt 43; a first synchronizing wheel 44; a second synchronizing wheel 45; a synchronizing shaft 46; a conveyor belt 471; a drive wheel 472; a driven pulley 473; a first tensioning wheel 474; a second tensioning wheel 475; a stopper 51; a tray 60; a ridge 61; clamping location 62.

Detailed Description

The technical scheme of the utility model is further elaborated below by referring to the drawings in the specification and the specific embodiments.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The embodiment of the utility model provides an automatic feeding device for a material tray, which is used for automatically feeding the material tray, and improving the working efficiency and the automation degree. Referring to fig. 1, the automatic feeding device for trays includes a frame 10, a storage mechanism, a clamping mechanism, a lifting mechanism and a conveying mechanism. Wherein the frame body 10 provides a mounting basis for each component; the storage mechanism is arranged on the frame body 10, a plurality of trays 60 are stacked up and down in sequence and are arranged in the storage mechanism, the storage mechanism is used for storing the trays 60 and plays a role in stacking and accommodating the trays 60, but the stacks of the trays 60 are not carried, the bottom end of the storage mechanism is provided with an opening, and the trays 60 can be separated from the storage mechanism from the bottom end opening of the storage mechanism; the clamping mechanism is arranged on the frame body 10 and comprises two clamping pieces 23 which can horizontally move, the two clamping pieces 23 are respectively arranged on two opposite sides of the storage mechanism, and one tray 60 can be clamped through the relative movement of the two clamping pieces 23 so as to bear the tray 60 and other trays 60 stacked above the tray 60; the lifting mechanism is arranged on the frame body 10 and positioned below the storage mechanism, and comprises a supporting piece 35 capable of moving up and down, wherein the supporting piece 35 is used for supporting the bottom tray 60 or the tray stack to move downwards; the conveying mechanism is arranged on the frame body 10 and located below the storage mechanism, the conveying mechanism comprises two conveying belts 471 which reciprocate in the horizontal direction and rotate in a reciprocating mode, the two conveying belts 471 are respectively arranged on two opposite sides of the supporting piece 35, and the conveying belts 471 are used for conveying the material trays 60 supported by the supporting piece 35 to the next station for feeding.

For convenience of description, when a plurality of trays 60 are stacked, a first tray 60 is a first tray from bottom to top, and a second tray 60 is a second tray from bottom to top. Referring to fig. 2 and 3, the workflow of the automatic feeding device for trays is as follows: the two clamping pieces 23 of the clamping mechanism are controlled to move relatively to clamp the first tray so as to bear the tray stack in a stacking state; the support 35 controlling the lifting mechanism moves upwardly into contact with the first tray (as shown in figure 2); the two clamping pieces 23 are controlled to move back to release the first tray, and the tray stack is supported by the supporting piece 35; the supporting member 35 of the lifting mechanism is controlled to descend, in the descending process, when the second material tray corresponds to the clamping member 23 in the horizontal direction, the clamping mechanism is controlled to be closed so as to clamp the second material tray, so that the rest material trays except the first material tray are carried, and at the moment, the first material tray can descend along with the supporting member 35; when the supporting member 35 descends to the state that the tray contacts the conveying belt 471, the supporting member 35 descends continuously, the tray is conveyed to the next station by the conveying belt 471, and the feeding process of one tray is completed (as shown in fig. 3); in the feeding process of the next round, the original second tray becomes the first tray of this process, and the foregoing feeding process is sequentially circulated, so that continuous feeding of the tray 60 can be realized. Through the automatic material loading of machine, the material loading process is smooth and easy, high-efficient, can alleviate operating personnel's operation intensity, improves work efficiency.

Referring to fig. 4, in the embodiment shown, the frame 10 includes two opposite side plates 11, and part of components of the storage mechanism, the clamping mechanism, the lifting mechanism and the conveying mechanism are connected and fixed with the side plates 11. It should be noted that, the illustrated side plate 11 is only a part of the structure of the frame body 10, the rest is not shown, the frame body 10 may further include other structural members for fixing or accommodating each mechanism, and the overall structure of the visual production line is designed correspondingly.

The storage mechanism comprises a plurality of limiting pieces 51, wherein a storage space for accommodating the tray 60 is formed by surrounding the limiting pieces 51, and the cross section shape of the storage space is matched with the shape of the tray 60. Referring to fig. 5, the tray 60 has a generally trapezoidal table structure, and includes four side walls and a bottom wall, which enclose a receiving space for receiving a material. The cross-sectional areas of the trays 60 are sequentially reduced from top to bottom, so that when a plurality of trays 60 are sequentially stacked in the vertical direction, the bottom of the last tray 60 can be accommodated in the upper opening of the next tray 60, the stacked trays 60 are ensured not to relatively move on the horizontal plane, and the stacked trays are orderly stacked in the vertical direction. In order to facilitate the clamping mechanism to clamp the tray 60, a protruding strip 61 is protruding on the outer sidewall of the tray 60, and a clamping position 62 is formed on the bottom side of the protruding strip 61 for the clamping member 23 to clamp and support the tray 60, so that the tray 60 and the clamping member 23 are not easy to slide relatively.

Correspondingly, the limiting member 51 may be a rectangular plate having an L-shaped cross section, and the limiting member 51 is provided with four ends respectively fixed to the two side plates 11 in the horizontal direction, for example, by bolts. The four limiting members 51 respectively correspond to four corners of the tray 60, and the clamping member 23 can pass through a channel between the two limiting members 51 to clamp the clamping position 62 of the side wall of the tray 60. Through setting up the locating part 51, avoid being the charging tray 60 heap of stacking state and empty, and limit the horizontal position of charging tray 60, the four corners and the medial surface sliding contact of locating part 51 of charging tray 60 are favorable to charging tray 60 to reciprocate along with bearing 35. It should be understood that the shape of the tray 60 shown is only an example, and that the tray 60 may take other suitable shapes, and that the stop 51 may be other structures that fit the contour of the tray 60.

Referring to fig. 6, the clamping mechanism includes two sets of sliding assemblies, two fixing plates 12 disposed horizontally are disposed on opposite sides of the rack 10 on the storage mechanism, the two sets of sliding assemblies are respectively disposed on the two fixing plates 12, and each set of sliding assemblies includes a pneumatic push rod 21, a connecting member 22 and a clamping member 23. Specifically, the two fixing plates 12 are fixedly connected with the two side plates 11 respectively, the pneumatic push rod 21 is fixedly arranged at the bottom side of the fixing plate 12, the pneumatic push rod 21 is provided with an output end capable of sliding in a telescopic manner, the connecting piece 22 is fixedly connected with the output end of the pneumatic push rod 21, the clamping piece 23 can be of a flat plate structure, the clamping piece 23 is horizontally arranged and is located above the fixing plate 12, a through hole is formed in the fixing plate 12, and the connecting piece 22 penetrates through the through hole from the bottom side of the fixing plate 12 and is connected with the clamping piece 23. The pneumatic push rod 21 drives the connecting piece 22 to move, so that the clamping piece 23 can be driven to move towards or away from the storage mechanism. The two clamping members 23 located at two sides of the storage mechanism can synchronously and relatively move to the clamping positions 62 at two sides of the tray 60, so as to realize the clamping and supporting functions of the tray 60.

Further, a bump 231 is disposed on a side of the clamping member 23 facing the fixed plate 12, a sliding groove 232 is disposed on a bottom side of the bump 231, an extending direction of the sliding groove 232 is consistent with a moving direction of the clamping member 23, a sliding bar 121 corresponding to the sliding groove 232 is disposed on the fixed plate 12, and the sliding bar 121 is slidably disposed in the sliding groove 232, so that the clamping member 23 is slidably engaged with the fixed plate 12. So, through setting up sliding connection's lug 231 and draw runner 121, can pack the clearance between clamping piece 23 and the fixed plate 12, avoid clamping piece 23 upper and lower pendulum to float and rock, can carry out spacingly simultaneously to the direction of motion of clamping piece 23, avoid clamping piece 23 skew or rock on the horizontal plane, and then strengthen the motion stability of clamping piece 23.

Preferably, the bottom side of the clamping member 23 is further provided with a mounting plate 233, and a buffer member 234 is provided on a side of the mounting plate 233 facing the frame body 10, and the buffer member 234 may be a pneumatic buffer rod, a spring, a flexible buffer pad, or the like. Because the clamping piece 23 is driven by air pressure, the impact force is larger during movement, and the buffer piece 234 is arranged, so that the buffer piece 234 is contacted with the side plate 11 of the frame body 10 when the clamping piece 23 approaches the tray 60, the speed and the impact force of the clamping piece 23 are further reduced, and the damage of the clamping piece 23 to the tray 60 is avoided.

Referring to fig. 7, the lifting mechanism includes a first motor 31, a screw rod 32, a movable plate 33, at least one supporting column 34, and the supporting member 35. The first motor 31 is in transmission connection with the screw rod 32, the movable plate 33 is in threaded connection with the screw rod 32 to form a screw nut structure, and the first motor 31 drives the screw rod 32 to rotate, so that the movable plate 33 moves up and down on the screw rod 32. One end of the bearing column 34 is fixedly connected with the movable plate 33, the other end of the bearing column is fixedly connected with the bearing member 35, and the screw rod 32 drives the bearing member 35 to move through the bearing column 34.

Specifically, the lifting mechanism further includes a fixing frame 36, the fixing frame 36 includes a first transverse plate 361 and a second transverse plate 362 that are parallel from bottom to top and are arranged at intervals, the first transverse plate 361 and the second transverse plate 362 are connected and fixed through multiple vertical rods, and two sides of the second transverse plate 362 are respectively and fixedly connected with the two side plates 11, so that the lifting mechanism is fixed on the frame body 10. The first motor 31 is fixedly arranged at the bottom side of the first transverse plate 361, one end of the screw rod 32 is in transmission connection with the first motor 31, the other end of the screw rod 32 rotatably penetrates through the first transverse plate 361 and is rotatably connected with the second transverse plate 362 through a bearing, and therefore the screw rod 32 is not easy to shake when being driven to rotate by the second motor 42. The movable plate 33 is located between the first and second cross plates 361, 362, and the load-bearing post 34 is slidably disposed through the second cross plate 362. In the illustrated embodiment, four carrying columns 34 are provided, and the four carrying columns 34 penetrate through the second transverse plate 362 to limit the rotation of the movable plate 33, so that the movable plate 33 is not rotatable and moves up and down through threads when the screw rod 32 rotates, and the carrying columns 34 are slidably connected with the second transverse plate 362, so that the carrying columns 34 can move up and down along with the movable plate 33 to drive the bearing member 35 to move. The support 35 is preferably of flat plate-like construction to facilitate carrying the tray 60. Of course, the present utility model does not limit the structure of the fixing frame 36 and the number and shape of the carrying posts 34, but only meets the carrying requirement and limits the rotation of the movable plate 33.

Preferably, a position sensor is provided between the first and second cross plates 361 and 362 for detecting the movement position of the movable plate 33. Therefore, in the embodiment, the position sensor may be a photoelectric sensor, and specifically includes a blocking plate 37 and a plurality of photoelectric switches 38, where the blocking plate 37 is disposed on the movable plate 33, a track 363 is disposed between the first transverse plate 361 and the second transverse plate 362, and the plurality of photoelectric switches 38 are disposed on the track 363 at intervals, and the blocking plate 37 can sequentially block the photoelectric switches 38 during the movement of the movable plate 33, so as to further know the movement positions of the movable plate 33 and the supporting member 35, and control the start and stop of the first motor 31 according to the movement requirement of the supporting member 35.

Referring to fig. 8, the conveying mechanism includes a supporting frame 41, a second motor 42, a driving belt 43, a first synchronizing wheel 44, a second synchronizing wheel 45, a synchronizing shaft 46, and two sets of synchronous belt assemblies. The supporting frame 41 may include four vertical plates 411 arranged in two opposite directions, wherein the two vertical plates 411 positioned on the same side are connected and fixed through a strip plate, and the two opposite vertical plates 411 are connected and fixed through a flat plate. The support frame 41 is fixedly connected to the frame body 10, for example, by connecting a flat plate to the second cross plate 362, and the second cross plate 362 is fixedly connected to the side plate 11. The two sets of synchronous belt components are respectively arranged on the outer sides of the two vertical plates 411 positioned on the same side, and the bearing member 35 is positioned between the two sets of synchronous belt components and can move up and down in the space between the four vertical plates 411. Each set of synchronous belt assembly comprises a driving wheel 472, a driven wheel 473 and a conveying belt 471, the conveying belt 471 can reciprocate around the driving wheel 472 and the driven wheel 473, the top surface of the conveying belt 471 is horizontally arranged, the width of the material tray 60 is larger than the relative distance between the two sets of synchronous belt assemblies, so that the supporting piece 35 can support the material tray 60 to move downwards until the horizontal height is lower than the horizontal height of the conveying belt 471, the supporting piece 35 falls on the conveying belt 471, and the conveying belts 471 of the two sets of synchronous belt assemblies synchronously move to convey the material tray 60 to the next station.

Specifically, the first synchronizing wheel 44 is disposed at an output end of the first motor 31, and the first motor 31 can drive the first synchronizing wheel 44 to rotate; the second synchronizing wheel 45 is arranged on the transmission shaft, so that the second synchronizing wheel 45 can synchronously rotate with the synchronizing shaft 46; the transmission belt 43 is in transmission connection with the first synchronizing wheel 44 and the second synchronizing wheel 45, so that the second synchronizing wheel 45 can synchronously rotate with the first synchronizing wheel 44 under the traction force of the transmission belt 43; the synchronizing shaft 46 is rotatably arranged between two opposite risers 411, and two ends of the synchronizing shaft 46 extend to the outer sides of the risers 411 through the risers 411, and the driving wheels 472 of the two groups of synchronous belt assemblies are respectively arranged at two ends of the synchronizing shaft 46, so that the two driving wheels 472 can synchronously rotate with the synchronizing shaft 46; the driven pulley 473 is disposed on the other two risers 411 that are not connected to the synchronizing shaft 46, and the conveying belt 471 is in transmission connection with the driving pulley 472 and the driven pulley 473, so that the driven pulley 473 can synchronously rotate with the driving pulley 472 under the traction force of the conveying belt 471, and the top surface of the conveying belt 471 can be set to be horizontally conveyed by designing the sizes and shapes of the driving pulley 472 and the driven pulley 473. When the motor drives the first synchronizing wheel 44 to rotate, the first synchronizing wheel 44 drives the second synchronizing wheel 45 to rotate through the driving belt 43, and then drives the synchronizing shaft 46 and the two driving wheels 472 to rotate, so as to realize the reciprocating rotation of the conveying belt 471, and the two conveying belts 471 synchronously move, thereby being convenient for carrying and conveying the tray 60.

Further, referring to fig. 9, the timing belt assembly further includes a first tensioning pulley 474 and a second tensioning pulley 475. The first tensioning wheel 474 is fixedly arranged on the supporting frame 41, and the first tensioning wheel 474 is arranged on the inner side of the conveying belt 471 and is tightly attached to the conveying belt 471. The second tensioning wheel 475 is slidably disposed on the supporting frame 41, for example, the riser 411 is provided with a slot 4111, a shaft post of the second tensioning wheel 475 can slide in the slot 4111 to adjust the position of the second tensioning wheel 475, and the second tensioning wheel 475 is fixed to the second tensioning wheel 475 by a bolt, and the second tensioning wheel 475 is located outside the conveying belt 471 and is closely attached to the conveying belt 471. In this way, the first tensioning pulley 474 and the second tensioning pulley 475 respectively tension the inner side and the outer side of the conveyor belt 471, so as to avoid slipping between the conveyor belt 471 and the driving pulley 472 or the driven pulley 473, and improve the conveying stability of the conveyor belt 471. When the belt 471 is used for a long time and is loose, the second tensioning wheel 475 is slidably connected with the supporting frame 41, so that the position of the second tensioning wheel 475 can be adjusted to always press the belt 471, and the tension of the belt 471 is maintained.

In summary, according to the automatic feeding device for the tray 60 provided by the embodiment of the utility model, the automatic continuous feeding of the tray 60 can be realized through the cooperation of the clamping mechanism, the lifting mechanism and the conveying mechanism, the feeding process is smooth and efficient, the operation intensity of operators is reduced, and the working and production efficiency is improved. The device has simple structure, ingenious design and reasonable conception, and is convenient for popularization and application in the automatic processing industry.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. Automatic feeding device of charging tray, its characterized in that includes:

a frame body;

the storage mechanism is arranged on the frame body, a plurality of trays are stacked up and down in sequence and are arranged in the storage mechanism, and the bottom end of the storage mechanism is provided with an opening;

the clamping mechanism is arranged on the frame body and comprises two clamping pieces capable of horizontally moving, the two clamping pieces are respectively arranged on two opposite sides of the storage mechanism, and the two clamping pieces relatively move to clamp the material tray;

the lifting mechanism is arranged on the frame body and positioned below the storage mechanism, and comprises a supporting piece capable of moving up and down, and the supporting piece is used for supporting the tray to move downwards;

the conveying mechanism is arranged on the frame body and located below the storage mechanism, the conveying mechanism comprises two conveying belts which reciprocate in the horizontal direction and rotate in a reciprocating mode, the two conveying belts are respectively arranged on two opposite sides of the supporting piece, and the conveying belts are used for conveying a tray supported by the supporting piece to the next station.

2. The automatic tray feeding device according to claim 1, wherein the storage mechanism comprises a plurality of limiting members, a plurality of limiting members enclose a storage space for accommodating the tray, and the cross-sectional shape of the storage space is matched with the shape of the tray.

3. The automatic feeding device of a tray according to claim 1, wherein the clamping mechanism comprises two groups of sliding components, two fixing plates which are horizontally arranged are arranged on two opposite sides of the storage mechanism on the frame body, the two groups of sliding components are respectively arranged on the two fixing plates, and each group of sliding components comprises a pneumatic push rod, a connecting piece and the clamping piece;

the pneumatic push rod is fixedly arranged on the fixing plate, the connecting piece is fixedly arranged at the output end of the pneumatic push rod, and the clamping piece is fixedly connected with the connecting piece, so that the pneumatic push rod can drive the connecting piece to drive the clamping piece to move towards or away from the storage mechanism.

4. The automatic tray feeding device according to claim 3, wherein a protruding block is arranged on one side of the clamping piece, which faces the fixing plate, a sliding groove is arranged on the protruding block, a sliding strip corresponding to the sliding groove is arranged on the fixing plate, and the sliding strip is slidably arranged in the sliding groove so that the clamping piece is in sliding fit with the fixing plate.

5. The automatic tray feeding device according to claim 3, wherein a mounting plate is arranged at the bottom side of the clamping member, and a buffer member is arranged at one side of the mounting plate facing the frame body.

6. The automatic tray feeding device according to claim 1, wherein the lifting mechanism comprises a first motor, a screw rod, a movable plate, at least one bearing column and a supporting member, the first motor is in transmission connection with the screw rod to drive the screw rod to rotate, the movable plate is in threaded connection with the screw rod, one end of the bearing column is fixedly connected with the movable plate, and the other end of the bearing column is fixedly connected with the supporting member.

7. The automatic tray feeding device according to claim 6, wherein the lifting mechanism further comprises a fixing frame connected with the frame body, the fixing frame comprises a first transverse plate and a second transverse plate which are parallel from bottom to top and are arranged at intervals, the first transverse plate is connected with the second transverse plate through a vertical rod, and the second transverse plate is fixedly connected with the frame body;

the first motor is fixedly arranged at the bottom side of the first transverse plate, one end of the screw rod is in transmission connection with the first motor, and the other end of the screw rod penetrates through the first transverse plate in a rotatable manner and is in rotatable connection with the second transverse plate through a bearing; the movable plate is positioned between the first transverse plate and the second transverse plate, and the bearing column slidably penetrates through the second transverse plate.

8. The automatic tray feeding device according to claim 7, wherein a position sensor is arranged between the first transverse plate and the second transverse plate, and the position sensor is used for detecting the movement position of the movable plate.

9. The automatic tray feeding device according to claim 1, wherein the conveying mechanism comprises a supporting frame, a second motor, a transmission belt, a first synchronous wheel, a second synchronous wheel, a synchronous shaft and two groups of synchronous belt assemblies; the support frame is fixedly connected with the frame body, two groups of synchronous belt assemblies are oppositely arranged on two sides of the support frame, the bearing piece is arranged between the two groups of synchronous belt assemblies, and each group of synchronous belt assemblies comprises a driving wheel, a driven wheel and a conveying belt;

the first synchronous wheel is arranged at the output end of the first motor, the second synchronous wheel is arranged on the synchronous shaft, and the transmission belt is in transmission connection with the first synchronous wheel and the second synchronous wheel; the synchronous shafts are rotatably arranged on the support frame, the driving wheels of the two groups of synchronous belt assemblies are respectively arranged at two ends of the synchronous shafts, the driven wheels are arranged on the support frame, and the conveying belt is in transmission connection with the driving wheels and the driven wheels, so that the conveying belt can reciprocate and rotate around the driving wheels and the driven wheels.

10. The automatic tray feeding device according to claim 9, wherein the synchronous belt assembly further comprises a first tensioning wheel and a second tensioning wheel, the first tensioning wheel is fixedly arranged on the supporting frame, the first tensioning wheel is arranged on the inner side of the conveying belt and is tightly attached to the conveying belt, the second tensioning wheel is slidably arranged on the supporting frame, and the second tensioning wheel is arranged on the outer side of the conveying belt and is tightly attached to the conveying belt.