CN216943647U - Automatic cover closing device for egg supporting box for packaging eggs - Google Patents

Abstract

The utility model relates to an automatic cover closing device of an egg supporting box for packaging eggs, which comprises a first cam, a second cam and a third cam which are arranged on the same rotating shaft at intervals in sequence, wherein two end faces of the first cam, the second cam and the third cam are respectively provided with an annular rotating connecting groove along the peripheral part thereof, one end face of the first cam is connected with a cover closing mechanism through the rotating connecting groove, the other end face of the first cam is connected with a top cover mechanism through the rotating connecting groove, one end face of the third cam is connected with a gland mechanism through the rotating connecting groove, the other end face of the third cam is connected with a clamping mechanism through the rotating connecting groove, a lifting mechanism is circularly abutted above the second cam, one end face of the second cam is connected with a cover pushing mechanism through the rotating connecting groove, the mechanisms are all arranged on a frame, the top of the frame is provided with a conveying belt for conveying the egg supporting box, the rotating shaft is driven to rotate by a motor and a belt wheel, the automatic cover closing device of the egg supporting box is reasonable in structural design, the automation degree is high, and the device is convenient and efficient.

Description

Automatic cover closing device for egg supporting box for packaging eggs

Technical Field

The utility model relates to an automatic cover closing device for an egg supporting box for packaging eggs.

Background

The lid action of the egg support box of traditional packing egg is all artifical going on, will consume a large amount of human costs, and lid efficiency is lower, is unfavorable for large-scale production, needs a box lid device that liberation manpower, degree of automation are high urgently.

SUMMERY OF THE UTILITY MODEL

In view of the defects of the prior art, the utility model aims to provide the automatic cover closing device for the egg supporting box for packaging eggs, which is reasonable in structure, convenient and efficient.

In order to solve the technical problems, the technical scheme of the utility model is as follows: an automatic cover closing device of an egg supporting box for packaging eggs comprises a first cam, a second cam and a third cam which are arranged on the same rotating shaft at intervals in sequence, wherein annular rotating connecting grooves are formed in two end faces of the first cam, the second cam and the third cam along the circumferential portion of the first cam, one end face of the first cam is connected with a cover closing mechanism through the rotating connecting grooves, the other end face of the first cam is connected with a top cover mechanism through the rotating connecting grooves, one end face of the third cam is connected with a gland mechanism through the rotating connecting grooves, the other end face of the third cam is connected with a clamping mechanism through the rotating connecting grooves, a lifting mechanism is connected to the upper portion of the second cam in a circulating mode, one end face of the second cam is connected with a cover pushing mechanism through the rotating connecting grooves, the mechanisms are all installed on a rack, a conveying belt for conveying the egg supporting box is arranged at the top of the rack, and the rotating shaft is driven to rotate through a motor and a belt wheel.

Further, close and cover the mechanism and include the L template with the annular rotation spread groove butt joint in first cam left side, the vertical section top of L template is inserted through first runner and is rotated the spread groove and rotate the connection, and its horizontal segment end articulates there is first connecting rod, and L template turn department rotates through bearing and frame to be connected, and this first connecting rod top articulates and closes the lid side lever, closes the lid side lever and is equipped with two and bilateral symmetry and establish in the frame both sides, closes and has linked firmly between the lid curb plate top and close the lid mobile jib, close lid curb plate bottom and all be connected with gland mechanism.

Further, the gland mechanism comprises two pressure rods hinged to the bottom ends of the side plates of the gland respectively, the lower ends of the two pressure rods are in butt joint through a synchronous rotating shaft, the synchronous rotating shaft is rotatably connected to the rack through a bearing, a second connecting rod is hinged to the pressure rod on the right side and is hinged to the driving rod through the second connecting rod, the driving rod is rotatably butted through a rotating connecting groove formed in the right side of a second rotating wheel inserted into the third cam, and the lower end of the driving rod is sleeved on a limiting shaft and is rotatably connected with the limiting shaft.

Further, top cap mechanism includes butt joint plate, third connecting rod, pull rod, bull stick, fourth connecting rod, T type bull stick and top cap frame, the butt joint plate left side rotates the spread groove butt joint through installation third runner and first cam right-hand member, and third connecting rod one end is articulated with the butt joint plate top, and the other end is articulated with the pull rod, and the pull rod sets up perpendicularly and links firmly as an organic whole with the bull stick left end, the bull stick right-hand member rotates with the frame through the bearing and is connected, the fourth connecting rod top links firmly on the bull stick to extend to one side downwards and top cap frame lower part is articulated, T type bull stick horizontal segment both ends all rotate to be connected in the frame, and vertical section lower extreme is articulated with top cap frame middle part.

Furthermore, the top cover frame is composed of two parallel top cover plates and a plurality of connecting columns fixedly connected between the top cover plates, strip-shaped holes are formed in hinged positions of the top cover plates, the fourth connecting rods and the T-shaped rotating rods, and the top ends of the top cover plates are slightly bent forwards so as to be better lifted and closed.

Furthermore, fixture includes two parallel supporting rods, and equal interval sets up a plurality of arm locks on two supporting rods, and two supporting rod middle parts all are equipped with gear and two gear engagement in order to guarantee that two supporting rods revolve all the time to opposite, and one of them supporting rod one end articulates through the fixed block has the fifth connecting rod, and the fifth connecting rod extends towards third cam direction and articulates on the actuating arm, inserts the left rotation spread groove internal rotation butt joint of third cam through setting up the fourth runner on this actuating arm, the pot head is established and is connected rather than rotating under the actuating arm on spacing epaxial.

Further, lifting mechanism includes the rocking arm, and rocking arm one end connects through fifth runner and second cam periphery top, and the other end links firmly on the locating lever of extending about, the equal rigid coupling in locating lever both ends has the linking arm of extending around, has set firmly the gag lever post between the linking arm, warp beam bearing seat and frame connection location on the locating lever are equipped with one between the square frame that locating lever, linking arm, gag lever post are constituteed and link firmly the case of hanging in the frame, it has the couple to hang the incasement and articulate, hangs the roof portion and sets up the opening that supplies the couple upper segment to stretch out, hangs the incasement and sets up the electro-magnet respectively in opening front and back, and the couple adsorbs the fore-and-aft swing through the electro-magnet, and couple forward swing and the gag lever post that changes to the low point articulates spacingly, the linking arm rear end is connected with the arm that pushes away of pushing away the lid mechanism.

Furthermore, the rotating arm is hinged with a reset rod, the reset rod extends obliquely and is inserted into the hollow reset column, a reset spring is sleeved outside the reset rod inside the reset column, a flange is arranged at the end part of the reset rod to support the reset spring to be connected in a jacking mode, and the reset column is rotatably connected to the rack.

Further, push away and cover the mechanism and include drive plate, sixth connecting rod, rotor arm, round bar and push away the arm, the pot head is established at the spacing epaxial and is connected rather than rotating under the drive plate, rotates the spread groove through the embedding of sixth runner on the actuating arm and rather than rotating and being connected, the actuating arm top is articulated with sixth connecting rod, and the sixth connecting rod other end articulates there is the rotor arm, and the rotor arm other end links firmly on the round bar, and the round bar both ends insert two linking arms rotation connection of lifting mechanism respectively, push away the arm equal interval and link firmly on the round bar and extend up.

Furthermore, the first connecting rod and the fifth connecting rod are respectively provided with a hollow supporting part and an anti-clamping part, the anti-clamping part is inserted into the supporting part and is in sliding connection with the supporting part, a spring is sleeved outside the anti-clamping part, one end of the spring is abutted to the top end of the supporting part, and the other end of the spring is abutted to an external flange of the anti-clamping part; and the upper end surface of the machine frame is provided with a position-giving opening for the clamping arm, the top cover frame and the pushing arm to extend out.

Compared with the prior art, the utility model has the following beneficial effects: the manpower is liberated, and degree of automation is high, is fit for large-scale production, does benefit to and improves production efficiency, and the step is stable and only need a motor drive to accomplish the lid action in coordination of each part.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of the installation of the cams in the embodiment of the present invention;

FIG. 4 is a schematic view showing the construction of a capping mechanism in the embodiment of the present invention;

FIG. 5 is a schematic view showing the construction of a top cover mechanism in the embodiment of the present invention;

FIG. 6 is a schematic view showing the construction of a holding mechanism in the embodiment of the present invention;

FIG. 7 is a schematic view of the mounting of the mechanisms and the frame in the embodiment of the present invention;

FIG. 8 is an enlarged view of A in FIG. 7;

FIG. 9 is a schematic diagram of the reset assembly of the lifting mechanism according to an embodiment of the present invention;

FIG. 10 is a schematic view showing the construction of a pulp tray in the embodiment of the present invention.

In the figure: 1-rotating shaft, 2-first cam, 3-second cam, 4-third cam, 5-rotating connecting groove, 6-cover closing mechanism, 7-top cover mechanism, 8-cover closing mechanism, 9-clamping mechanism, 10-lifting mechanism, 11-cover pushing mechanism, 12-frame, 13-egg supporting box, 14-conveying belt, 15-motor, 16-belt wheel, 17-supporting part, 18-anti-clamping part, 19-spring, 20-allowance opening, 21-pulp supporting box, 601-L shaping plate, 602-first rotating wheel, 603-first connecting rod, 604-cover closing side rod, 605-cover closing main rod, 701-butt joint plate, 702-third connecting rod, 703-pulling rod, 704-rotating rod, 705-fourth connecting rod, 706-T type rotating rod, 707-top cover frame, 708-third rotating wheel, 709-top cover plate, 710-connecting column, 711-strip hole, 801-pressure rod, 802-synchronous rotating shaft, 803-second connecting rod, 804-driving rod, 805-second rotating wheel, 806-limiting shaft, 901-clamping rod, 902-clamping arm, 903-gear, 904-fixing block, 905-fifth connecting rod, 906-907 driving arm, 907-fourth rotating wheel, 1001-rotating arm, 1002-fifth rotating wheel, 1003-positioning rod, 1004-connecting arm, 1005-limiting rod, 1006-hanging box, 1007-hook, 1008-opening, 1009-electromagnet, 1010-resetting rod, 1011-resetting column, 1012-resetting spring and 1101-driving plate, 1102-sixth link, 1103-rotating arm, 1104-round bar, 1105-pushing arm, 1106-sixth rotating wheel, 2101-extending part, 2102-convex part and 2103-through hole.

Detailed Description

In order to make the aforementioned and other features and advantages of the utility model more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in figures 1-10, the automatic cover closing device for egg supporting boxes for packaging eggs comprises a first cam 2, a second cam 3 and a third cam 4 which are arranged on the same rotating shaft 1 at intervals in sequence, two end faces of the first cam, the second cam and the third cam are respectively provided with an annular rotating connecting groove 5 along the peripheral part, one end face of the first cam is connected with the cover closing mechanism 6 through the rotating connecting groove, the other end face of the first cam is connected with the top cover mechanism 7 through the rotating connecting groove, one end face of the third cam is connected with the cover pressing mechanism 8 through the rotating connecting groove, the other end face of the third cam is connected with the clamping mechanism 9 through the rotating connecting groove, a lifting mechanism 10 is circularly connected above the second cam in a jacking way, one end face of the second cam is connected with a cover pushing mechanism 11 through a rotating connecting groove, the mechanisms are all arranged on a frame 12, and the top of the frame is provided with a conveyer belt 14 for conveying the egg supporting box 13, and the rotating shaft is driven to rotate by a motor 15 and a belt wheel 16.

In the embodiment of the utility model, the cover closing mechanism comprises an L-shaped plate 601 butted with an annular rotating connecting groove on the left side of a first cam, the top end of the vertical section of the L-shaped plate is inserted into the rotating connecting groove through a first rotating wheel 602 and is rotationally connected, the tail end of the horizontal section of the L-shaped plate is hinged with a first connecting rod 603, the turning part of the L-shaped plate is rotationally connected with a rack through a bearing, the top end of the first connecting rod is hinged with cover closing side rods 604, the two cover closing side rods are arranged on two sides of the rack in a bilateral symmetry manner, a cover closing main rod 605 is fixedly connected between the tops of the cover closing side plates, the bottom ends of the cover closing side plates are all connected with a cover pressing mechanism, the L-shaped plate is driven to rotate around the hinging point of the turning part through the rotation of the first cam, the horizontal section is driven to rotate upwards when a cover needs to be covered, the first connecting rod is driven to move upwards, and pushes the cover closing side rods and the cover closing main rod to turn downwards and press and clamp the upper cover of the egg supporting box to complete the upper cover and the lower cover.

In the embodiment of the utility model, the cover pressing mechanism comprises two pressing rods 801 respectively hinged with the bottom ends of the cover closing side plates, the lower ends of the two pressing rods are in butt joint through a synchronous rotating shaft 802, the synchronous rotating shaft is rotatably connected to the rack through a bearing, a second connecting rod 803 is hinged to the right pressing rod and is hinged with a driving rod 804 through the second connecting rod, the driving rod is rotatably butted through a rotating connecting groove formed in the right side of a second rotating wheel 805 and inserted into the right side of a third cam, the lower end of the driving rod is sleeved on a limiting shaft 806 and is rotatably connected with the limiting shaft, the driving rod is driven to turn through the rotation of the third cam, so that the pressing rods are pushed to rotate, and the two pressing rods synchronously turn downwards through the synchronous rotating shaft to press and keep the upper cover of the egg tray downwards.

In the embodiment of the utility model, the top cover mechanism comprises a butt plate 701, a third connecting rod 702, a pull rod 703, a rotating rod 704, a fourth connecting rod 705, a T-shaped rotating rod 706 and a top cover frame 707, the left side of the butt plate is butted with a rotating connecting groove at the right end of a first cam by mounting a third rotating wheel 708, one end of the third connecting rod is hinged with the top of the butt plate, the other end of the third connecting rod is hinged with the pull rod, the pull rod is vertically arranged and fixedly connected with the left end of the rotating rod into a whole, the right end of the rotating rod is rotatably connected with a frame through a bearing, the top end of the fourth connecting rod is fixedly connected with the rotating rod and extends obliquely downwards to be hinged with the lower part of the top cover frame, both ends of the horizontal section of the T-shaped rotating rod are rotatably connected with the frame, the lower end of the vertical section is hinged with the middle part of the top cover frame, the butt plate is driven to reciprocate to push and pull the third connecting rod, when the upper cover of the egg supporting box needs to be jacked, the pull rod is driven to rotate, the fourth connecting rod synchronously rotates upwards to further drive the top cover frame to overturn upwards, and the synchronous limiting of the T-shaped rotating rod is utilized to complete the forward and upward overturning action, so that the upper cover of the egg supporting box is jacked up forward and upwards to facilitate the crimping of the cover pressing mechanism.

In the embodiment of the utility model, the top cover frame is composed of two parallel top cover plates 709 and a plurality of connecting columns 710 fixedly connected between the top cover plates, the top cover plates are provided with strip-shaped holes 711 at the hinged positions with the fourth connecting rod and the T-shaped rotating rod, and the strip-shaped holes are designed to ensure sufficient moving space and avoid the problem of clamping when the top cover plates are hinged with the fourth connecting rod and the T-shaped rotating rod at the same time.

In the embodiment of the utility model, the clamping mechanism comprises two parallel clamping rods 901, a plurality of clamping arms 902 are arranged on the two clamping rods at intervals, gears 903 are arranged in the middle parts of the two clamping rods, the two gears are meshed to ensure that the two clamping rods always rotate in opposite directions, one end of one clamping rod is hinged with a fifth connecting rod 905 through a fixing block 904, the fifth connecting rod extends towards a third cam direction and is hinged on a driving arm 906, the driving arm is inserted into a rotating connecting groove on the left side of the third cam through a fourth rotating wheel 907 and is in rotating butt joint with the third cam, the lower end of the driving arm is sleeved on a limiting shaft and is in rotating connection with the limiting shaft, the fifth connecting rod is pushed to reciprocate back and forth through the rotation of the third cam, when clamping is needed, the fifth connecting rod pulls the fixing block to rotate clockwise, the corresponding clamping rod rotates clockwise towards the other clamping rod on the rear side, the other clamping rod rotates anticlockwise through the action of the gears to enable the clamping arms to rotate forwards and butt against the clamping arms on the front side, the two clamping arms are close to the lower end of the egg supporting box conveyed along the conveying belt to clamp and position the egg supporting box so as to facilitate subsequent actions of a top cover mechanism and the like.

In the embodiment of the utility model, the egg supporting box comprises a blister supporting box made of blister materials and a paper pulp supporting box 21 made of paper pulp, as shown in fig. 10, the blister supporting box is used without a lifting mechanism and a cover pushing mechanism, but the paper pulp supporting box is provided with an extending part 2101 which is matched and clamped with each other, a convex part 2102 is arranged outside the extending part of the lower box body, a through hole 2103 which is matched and clamped with the convex part is arranged on the extending part of the upper box body, but the extending part of the lower box body is in a horizontal state when the box is not covered, and can be matched and clamped with the cover of the upper box body only when the lower box body is turned to be vertical, and the lifting mechanism and the cover pushing mechanism are needed to help to complete the action.

In the embodiment of the utility model, the lifting mechanism comprises a rotating arm 1001, one end of the rotating arm is connected with the periphery of a second cam in a propping manner through a fifth rotating wheel 1002, the other end of the rotating arm is fixedly connected with a left-right extending positioning rod 1003, the two ends of the positioning rod are fixedly connected with front-back extending connecting arms 1004, a limiting rod 1005 is fixedly arranged between the connecting arms, the positioning rod is connected and positioned with the frame through a bearing seat, a hanging box 1006 fixedly connected with the frame is arranged between square frames consisting of the positioning rod, the connecting arms and the limiting rod, a hanging hook 1007 is hinged in the hanging box, the top of the hanging box is provided with an opening 1008 through which the upper section of the hanging hook extends, electromagnets 1009 are respectively arranged in the hanging box in front and back of the opening, the hanging hook swings back and forth through the adsorption of the electromagnet, the front swing of the hanging hook is limited by the limiting rod which is rotated to the lower position, the back end of the connecting arm is rotatably connected with a pushing arm of the cover pushing mechanism in a reciprocating manner, the rotating arm is connected with the second cam in a propping manner through the second cam, so as to drive the back end of the square frame to reciprocate up and down, when the extension part of the box body under the paper pulp supporting box needs to be lifted, the rear end of the connecting arm is lifted to drive the pushing cover assembly to lift and protrude out of the abdicating opening of the rack, then the driving plate is driven to reciprocate back and forth around the limiting shaft due to the rotation of the first cam, and then the pushing and pulling action of the sixth connecting rod is completed.

The operation is finished aiming at the paper pulp support box, the hook is adsorbed on the front side electromagnet, when the plastic suction support box is conveyed, the lifting mechanism is not needed to be used, the cam boss jacks the rotating arm to the highest position, namely the rear end limiting rod rotates to the lowest position, the electrification of the front electromagnet and the rear electromagnet is switched, the hook is enabled to be adsorbed on the rear end electromagnet in a swinging mode, the hook is hooked on the limiting rod at the position, protruding opening at the top end of the hook is protruded on the limiting rod, the limiting of the lifting mechanism is finished, and the second cam rotates to enable the lifting mechanism not to be driven to operate; and because the tumbler lifts to the highest point, this release link will pull reset spring compression to the tumbler can effectively reset under reset spring effect and continue to accomplish the lifting work when the electro-magnet switches over the state, couple reset preceding pendulum.

In the embodiment of the present invention, the rotating arm is further hinged with a reset rod 1010, the reset rod extends obliquely and inserts into a hollow reset column 1011, the reset rod is externally sleeved with a reset spring 1012 inside the reset column, and the end of the reset rod is provided with a flange for abutting against the reset spring, and the reset column is rotatably connected to the frame.

In the embodiment of the present invention, the lid pushing mechanism includes a driving plate 1101, a sixth connecting rod 1102, a rotating arm 1103, a round bar 1104 and a pushing arm 1105, the lower end of the driving plate is sleeved on the limiting shaft and rotatably connected therewith, the driving arm is embedded into the rotating connecting groove via a sixth rotating wheel 1106 and rotatably connected therewith, the top end of the driving arm is hinged to the sixth connecting rod, the other end of the sixth connecting rod is hinged to the rotating arm, the other end of the rotating arm is fixedly connected to the round bar, two ends of the round bar are respectively inserted into the two connecting arms of the lifting mechanism for rotating connection, and the pushing arms are both fixedly connected to the round bar at intervals and extend upward.

In the embodiment of the utility model, the first connecting rod and the fifth connecting rod are respectively provided with a hollow supporting part 17 and an anti-clamping part 18, the anti-clamping part is inserted into the supporting part and is in sliding connection with the supporting part, a spring 19 is sleeved outside the anti-clamping part, one end of the spring is abutted to the top end of the supporting part, and the other end of the spring is abutted to an external flange of the anti-clamping part, so that the cover closing side rods and the cover closing main rods can be effectively prevented from being excessively pressed on the egg supporting box to damage the box body through the matching of the supporting part, the anti-clamping part and the spring, and the damage of the egg supporting box caused by the excessive clamping of clamping arms of the clamping mechanism can also be prevented; and the upper end surface of the machine frame is provided with a yielding port 20 for the clamping arm, the top cover frame and the pushing arm to extend out.

The working principle of the embodiment of the utility model is as follows: the egg tray box with eggs is conveyed to the station through the conveying belt, all mechanisms synchronously act, namely the clamping arms of the clamping mechanisms clamp the egg tray box to be positioned, the top cover mechanism enables the upper cover of the egg tray box to be connected and overturned to a box cover waiting state through the top cover frame, the cover pressing mechanism further presses the upper cover downwards, finally the box cover mechanism completes the action of the box cover of the egg tray box through the overturning and downwards pressing of the cover closing side rods and the cover closing main rods, and when the egg tray box is a paper pulp tray box, the synchronous action of the lifting mechanism and the cover pushing mechanism is required to be matched with the overturning action of the extension part of the box body under the paper pulp tray box.

The utility model is not limited to the above-mentioned preferred embodiments, and any person can derive other various forms of automatic cover closing devices for egg trays for packaging eggs. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims (10)

1. A automatic device that covers that closes of egg tray box for packing egg, its characterized in that: including setting up first cam, second cam and the third cam that sets up in proper order the interval on same pivot and set up, annular rotation spread groove is all seted up along its week portion to first cam, second cam and third cam both ends face, and one of them terminal surface of first cam closes lid mechanism through rotating the spread groove connection, and another terminal surface is through rotating the spread groove and connecting top cap mechanism, and one of them terminal surface of third cam is through rotating the spread groove and connecting gland mechanism, and another terminal surface is through rotating the spread groove and connecting fixture, second cam top circulation top-grafting has lifting mechanism, and one of them terminal surface of second cam pushes away lid mechanism through rotating the spread groove connection, and above-mentioned mechanism all installs in the frame, and the frame top is equipped with the conveyer belt that carries the egg to hold in the palm the box, and this pivot is rotatory through motor and band pulley drive.

2. An automatic cover closing device for egg trays for packaging eggs according to claim 1, characterized in that: close and cover the mechanism and include the L template with the annular rotation spread groove butt joint in first cam left side, the vertical section top of L template is inserted through first runner and is rotated the spread groove and rotate and connect, and its horizontal segment end articulates there is first connecting rod, and L template turn department rotates through bearing and frame to be connected, and this first connecting rod top articulates and closes the lid side lever, closes the lid side lever and is equipped with two and bilateral symmetry and establish in the frame both sides, closes to have linked firmly between the lid curb plate top and close the lid mobile jib, close lid curb plate bottom and all be connected with gland mechanism.

3. An automatic cover closing device for egg trays for packaging eggs according to claim 2, characterized in that: the gland mechanism comprises two pressure rods hinged to the bottom ends of the side plates of the gland respectively, the lower ends of the two pressure rods are in butt joint through a synchronous rotating shaft, the synchronous rotating shaft is rotatably connected to the rack through a bearing, a second connecting rod is hinged to the pressure rod on the right side and hinged to the driving rod through the second connecting rod, the driving rod is rotatably butted through a rotating connecting groove formed in the right side of a second rotating wheel inserted into the third cam, and the lower end of the driving rod is sleeved on a limiting shaft and is rotatably connected with the limiting shaft.

4. An automatic cover closing device for an egg tray for packaging eggs according to claim 1, characterized in that: the top cap mechanism includes butt joint plate, third connecting rod, pull rod, bull stick, fourth connecting rod, T type bull stick and top cap frame, butt joint plate left side is rotated the spread groove through installation third runner and first cam right-hand member and is docked, and third connecting rod one end is articulated with the butt joint plate top, and the other end is articulated with the pull rod, and the pull rod sets up perpendicularly with the bull stick left end and links firmly as an organic whole, the bull stick right-hand member rotates with the frame warp bearing to be connected, the fourth connecting rod top links firmly on the bull stick to extend downwards to one side and top cap frame lower part are articulated, T type bull stick horizontal segment both ends are all rotated and are connected in the frame, and vertical section lower extreme is articulated with top cap frame middle part.

5. An automatic cover closing device for egg trays for packaging eggs according to claim 4, characterized in that: the top cover frame is composed of two parallel top cover plates and a plurality of connecting columns fixedly connected between the top cover plates, and strip-shaped holes are formed in the hinged positions of the top cover plates, the fourth connecting rods and the T-shaped rotating rods.

6. An automatic cover closing device for egg trays for packaging eggs according to claim 3, characterized in that: the clamping mechanism comprises two parallel clamping rods, a plurality of clamping arms are arranged on the two clamping rods at equal intervals, gears are arranged in the middle of the two clamping rods and meshed with the gears to guarantee that the two clamping rods rotate oppositely all the time, one end of one clamping rod is hinged to a fifth connecting rod through a fixing block, the fifth connecting rod extends towards the direction of a third cam and is hinged to a driving arm, the driving arm is connected with the third cam in a rotating mode in the left rotating connecting groove in a rotating mode through a fourth rotating wheel, and the lower end of the driving arm is sleeved on a limiting shaft and is connected with the limiting shaft in a rotating mode.

7. An automatic cover closing device for egg trays for packaging eggs according to claim 1, characterized in that: lifting mechanism includes the rocking arm, and rocking arm one end is through fifth runner and second cam periphery apical grafting, and the other end links firmly on the locating lever of extending about, the equal rigid coupling in locating lever both ends has the linking arm that extends around, has set firmly the gag lever post between the linking arm, warp beam bearing and frame hookup location on the locating lever, be equipped with a string case of linking firmly in the frame between the square frame that locating lever, linking arm, gag lever post are constituteed, it has the couple to hang incasement articulated, hangs the roof portion and sets up the opening that supplies the couple upper segment to stretch out, hangs the incasement and sets up the electro-magnet respectively in the front and back of opening, and the couple adsorbs the fore-and-aft swing through the electro-magnet, and the couple preceding pendulum articulates spacingly with the gag lever post that changes to the low department, the linking arm rear end rotates with the push arm that pushes away to cover mechanism and is connected.

8. An automatic cover closing device for egg trays for packaging eggs according to claim 7, characterized in that: still articulated on the rocking arm have a release link, this release link slant extends to peg graft into hollow reset post in, the release link is equipped with reset spring in the outside cover of the post inside that resets, and the release link tip is equipped with the flange and connects in order to supply reset spring top, and this post that resets rotates to be connected in the frame.

9. An automatic cover closing device for egg trays for packaging eggs according to claim 3, characterized in that: push away and cover the mechanism and include drive plate, sixth connecting rod, rotor arm, round bar and push away the arm, the drive plate lower extreme cover establish spacing epaxial and rather than rotate to be connected, rotate the spread groove through the embedding of sixth runner on the actuating arm and rather than rotate to be connected, the actuating arm top is articulated with sixth connecting rod, and the sixth connecting rod other end articulates there is the rotor arm, and the rotor arm other end links firmly on the round bar, and the round bar both ends insert two linking arms rotation connection of lifting mechanism respectively, push away the arm equal interval and link firmly on the round bar and extend up.

10. An automatic cover closing device for an egg tray for packaging eggs according to claim 6, characterized in that: the first connecting rod and the fifth connecting rod are respectively provided with a hollow supporting part and an anti-clamping part, the anti-clamping part is inserted into the supporting part and is in sliding connection with the supporting part, a spring is sleeved outside the anti-clamping part, one end of the spring is abutted to the top end of the supporting part, and the other end of the spring is abutted to an external flange of the anti-clamping part; and the upper end surface of the machine frame is provided with a position-giving opening for the clamping arm, the top cover frame and the pushing arm to extend out.

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