Tray loading and transporting system for metering shell production

Abstract

The utility model discloses a tray loading and transporting system for metering shell production, which comprises a tray supply unit and a tray transfer unit, the tray supply unit comprises a vacant tray stacking station, a tray transfer line and a vacant tray gripper assembly, and the tray transfer line and the vacant tray gripper assembly are arranged corresponding to the vacant tray stacking station; the tray transfer unit is provided with a tray fixing station, a full-load tray stacking station, a tray fixing assembly, a metering shell gripper assembly and a full-load tray gripper assembly, wherein the tray fixing assembly and the metering shell gripper assembly correspond to the tray fixing station. The metering shell gripper assembly is used for gripping the metering shell located on the outer side of the tray fixing station and placing the metering shell on the tray located on the tray fixing station. According to the automatic feeding device, empty trays can be automatically supplied, metering shells can be grabbed and loaded, full-load trays can be grabbed and stacked, the tray loading and unloading operation efficiency in the metering shell collecting process is greatly improved, the production efficiency and the whole-process action stability and consistency can be improved, and the influence on the gluing quality in the operation process is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of gas meter component production, and in particular relates to a pallet shipping system for metering shell production. Background Art

[0002] The metering shell is one of the important components of the diaphragm gas meter and is usually produced by stamping. The gas meter movement and the metering shell have a sealing surface. After the main body is formed, a sealing strip will be provided on the inner side of the metering shell to further improve the sealing of the diaphragm cavity. The traditional practice is to directly bond the finished sealing ring, or to transfer the metering shell to a gluing device for on-site gluing to form a ring-shaped sealing strip. The metering shell after gluing needs to be transferred to other processing sites. Most of the existing technologies manually stack the metering shells on a pallet, and then remove the pallet after the pallet is full. This process involves multiple steps of placing the pallet, placing the metering shell, and removing the pallet. Manual operation is inefficient and cannot be applied to batch production needs. Utility Model Content

[0003] In view of this, the utility model provides a pallet shipping system for metering shell production to solve the problem of low efficiency in processing and loading and unloading of gas metering shells in the prior art.

[0004] The technical solution is as follows:

[0005] A pallet shipping system for metering shell production, the key of which is: comprising a pallet supply unit and a pallet transfer unit, wherein the pallet supply unit comprises an empty pallet stacking station, and a pallet transfer line and an empty pallet gripper assembly arranged corresponding to the empty pallet stacking station, the pallet transfer line has a pallet placement position and a pallet waiting position, and the empty pallet gripper assembly can grab the empty pallet at the empty pallet stacking station and place it at the pallet placement position, and then transport it to the pallet waiting position;

[0006] The pallet transfer unit includes a pallet fixing station and a fully loaded pallet stacking station, as well as a pallet fixing component and a metering shell gripper assembly arranged corresponding to the pallet fixing station, and a fully loaded pallet gripper assembly for grabbing the pallet at the pallet fixing station and placing it on the fully loaded pallet stacking station, and the metering shell gripper assembly is used to grab the metering shell outside the pallet fixing station and place it on the pallet at the pallet fixing station.

[0007] The above scheme is adopted and used in conjunction with the gluing device. It is installed at the discharge end of the gluing device. First, the empty pallets are stacked at the empty pallet stacking station. Then, the empty pallet gripper assembly and the pallet transfer line are used to intermittently transport the pallets to the pallet fixing station. The metering shell gripper assembly is used to grab the metering shells that have been glued on the gluing device and place them on the pallet on the pallet fixing station. When the corresponding pallet is full, it can be grabbed and stacked at the full pallet stacking station through the full pallet gripper assembly, which is convenient for centralized movement and reduces the impact on the quality of the glue ring in this process, thereby improving the loading and unloading efficiency of the metering shells and facilitating the mass production of the metering shells.

[0008] As a preferred embodiment: it includes a main frame beam structure in a rectangular shape, the pallet transfer line is arranged along the width direction of the main frame beam structure, the empty pallet stacking station and the fully loaded pallet stacking station are located on one side of the pallet transfer line, and correspond to the pallet placement position and the pallet fixing station respectively, and the pallet fixing station is located directly above the pallet waiting position. The above scheme is adopted to facilitate overall disassembly and assembly, and has better compactness and protection.

[0009] Preferably, the tray supply unit includes a frame B, the tray transfer line is fixed on the frame B, the frame B has guide beams on both sides corresponding to the tray transfer line, the inner side of the guide beam has a vertically arranged roller, the bottom of the roller is flush with or higher than the conveying surface of the tray transfer line. The above solution is conducive to ensuring the stability of tray transportation and preventing excessive deflection.

[0010] Preferably, the tray comprises a plate-like body, the outer edge of the plate-like body has a flange bent upward along the thickness direction thereof, the plate-like body has a plurality of placement holes distributed at intervals, the placement holes can be used for the metering shell to be placed therein with the concave surface facing upward, the outer edge of the metering shell is supported on the plate-like body, the bottom of the plate-like body has at least three evenly distributed support columns, the height of the support columns is greater than the thickness of the metering shell, and the flange has at least two groups of clamping openings symmetrically arranged in pairs in the width direction;

[0011] The empty pallet gripper assembly comprises a gripper seat A, a gripper drive mechanism A for driving the gripper seat A to rise and fall, and to move horizontally between an empty pallet stacking station and a pallet placement station;

[0012] The gripper seat A comprises a connecting beam A arranged along the conveying direction of the pallet transfer line, and the connecting beam A has at least two horizontally arranged gripper mounting beams A, and the ends of each gripper mounting beam A are mounted with gripper assemblies A, and the spacing between adjacent gripper mounting beams A is an integer multiple of the placement holes on the pallet;

[0013] The gripper assembly A includes a horizontally arranged clamping cylinder, which is horizontally arranged with its piston rod facing outward and is connected to a clamping cylinder, whose piston rod faces downward and is installed with a clamping block. The clamping block has a bottom fitting surface and a side fitting surface that can pass through a placement hole and are arranged in an L shape, and the bottom thickness of the clamping block is less than the height of the support column.

[0014] With the above solution, during the grabbing process, the clamping block extends into the placement hole, then stretches outward to lift the pallet, and then moves upward as a whole to take out the top pallet of the stack and place it on the pallet transfer line, effectively preventing the pallet from tilting during the grabbing process and causing uneven force, thereby preventing the lower pallet from getting stuck, and has good reliability.

[0015] As a preferred embodiment: the two ends of the abutting block have pressing blocks, and there is a gap between the bottom surface of the pressing block and the bottom fitting surface, and the gap is adapted to the thickness of the plate-like body. With the above solution, during the process of grabbing an empty pallet, when the abutting block is lowered and tightened, the pressing block simultaneously contacts the upper surface of the pallet, plays a certain pressing role, and cooperates with the abutting block to achieve the tightening of three surfaces, which greatly improves the balance and stability of the pallet during the grabbing and transfer process, and is conducive to further improving its working reliability.

[0016] Preferably, the connection beam A has a locking groove arranged along its length direction, and the gripper mounting beam A is fixed to the connection beam A by a locking screw. The above solution is convenient for adjusting the spacing of the gripper mounting beam A as needed, and has good disassembly and assembly convenience.

[0017] Preferably, the pallet fixing assembly includes positioning cylinders arranged in pairs around the pallet fixing station, and a lifting cylinder arranged below the pallet transfer line. The piston rods of the positioning cylinders are all horizontally facing inwards, and the ends thereof are provided with a tightening piece. The piston rods of the lifting cylinders face upwards and have a horizontally arranged lifting positioning plate. With the above scheme, when the pallet is in the waiting position, it is lifted to the height of the fixing station by the lifting cylinder, and then fixed by the positioning cylinder and the tightening piece. At this time, the waiting position below can receive the next pallet, and the upper part can carry out normal metering shell loading.

[0018] As a preferred embodiment, the lifting and positioning plate has a snap-fit ​​structure adapted to the bottom of the tray. The above solution can prevent the tray from shifting during the lifting process, ensure position consistency, facilitate the metering shell gripper assembly to grasp and release the metering shell, and further improve reliability.

[0019] Preferably, the fully loaded pallet gripper assembly comprises a gripper seat C and a gripper driving mechanism C for driving the gripper seat C to move up and down and horizontally;

[0020] The gripper seat C includes a connecting beam C and a plurality of gripper mounting beams C, the gripper mounting beams C and the connecting beams C are both horizontally arranged and perpendicular to each other, wherein gripper assemblies C are installed at both ends of the gripper mounting beam C, the gripper assembly C includes a horizontally arranged clamping cylinder, the piston rod of the clamping cylinder faces outwards, and is connected to a vertically extending clamping sheet, the inner side of the clamping sheet has a clamping groove adapted to the clamping opening. With the above scheme, when the pallet is full, the corresponding pallet can be grabbed and placed in the fully loaded pallet placement station by the pallet loading gripper assembly, and the clamping groove corresponds to the clamping opening to improve the gripping stability.

[0021] As a preferred embodiment: an elastic pressing sheet is provided on the gripper mounting beam C at the end of the connecting beam C, and at least two elastic pressing sheets are provided and are diagonally distributed, and the elastic pressing sheets are fixed to the gripper mounting beam C through elastic connectors. By adopting the above scheme, the pallet is pressed by the elastic pressing sheet, which can further improve the stability of the grabbing movement and placement process, and prevent the movement from affecting the quality of the glue coating machine.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The pallet shipping system for metering shell production provided by the utility model can automatically supply empty pallets, grab and load metering shells, and grab and stack fully loaded pallets, which greatly improves the operational efficiency of pallet loading and unloading during the metering shell collection process, saves manpower, and is conducive to improving production efficiency. At the same time, it improves the stability and consistency of the whole process of action, which is conducive to reducing the impact on the glue coating quality during the operation, and has good reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 for Figure 1 Axonometric drawing;

[0026] Figure 3 This is a schematic diagram of the installation of the pallet transfer line and pallet fixing components;

[0027] Figure 4 It is a working diagram of the pallet transfer line and pallet fixing components;

[0028] Figure 5 It is a schematic diagram of the structure of the empty pallet gripper assembly;

[0029] Figure 6 for Figure 5 Axonometric drawing;

[0030] Figure 7 This is a schematic diagram of the structure of the gripper seat A;

[0031] Figure 8 This is a schematic diagram of the structure of the gripper seat B;

[0032] Fig. 9 It is a schematic diagram of the structure of the gripper seat C;

[0033] Fig.10 This is the working diagram of gripper seat C;

[0034] Fig.11 This is a schematic diagram of the pallet structure;

[0035] Fig.12 This is a schematic diagram of the bottom structure of the tray;

[0036] Fig.13 This is a schematic diagram of the installation and use of the utility model;

[0037] Fig.14 Based Fig.13 Top view. DETAILED DESCRIPTION

[0038] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0039] refer to Figures 1 to 14 The pallet shipping system for metering shell production shown in the figure mainly includes a pallet supply unit 400 and a pallet transfer unit 500, wherein the pallet supply unit 400 includes an empty pallet stacking station 410, and a pallet transfer line 420 and an empty pallet gripper assembly 430 arranged corresponding to the empty pallet stacking station, wherein the pallet transfer line 420 includes at least a pallet placement position and a pallet waiting position, and the empty pallet gripper assembly 430 can grab the empty pallet at the empty pallet stacking station 410 and place it at the pallet placement position, and transport it to the pallet waiting position.

[0040] The pallet transfer unit 500 mainly includes a pallet fixing station and a full-load pallet stacking station 540, as well as a pallet fixing component 510 and a metering shell gripper assembly 520 arranged corresponding to the pallet fixing station, and a full-load pallet gripper assembly 530 for grabbing the pallet at the pallet fixing station and placing it on the full-load pallet stacking station, wherein the metering shell gripper assembly 520 is used to grab the metering shell at the material picking station on the batch gluing device 200 and place it on the pallet on the pallet fixing station.

[0041] In the present application, the tray is a special tray for holding metering shells and can be stacked up and down, mainly including a plate-like main body 610 which is generally a rectangular plate-like structure, with hand grips 613 at both ends in the length direction, and at least two groups of clamping openings 621 symmetrically arranged in pairs in the width direction on the flange 620.

[0042] There is a positioning boss 630 symmetrically arranged along the length direction of the tray 600 near the middle, and a positioning groove 640 corresponding to the positioning boss 630 is provided at the bottom of the tray. When the upper and lower trays 600 are stacked, the positioning boss 630 of the lower tray just fits into the positioning groove 640 of the upper tray.

[0043] In addition, in order to further improve the stacking stability of the trays, an inward ridge 650 is arranged along the outer edge of the bottom of the plate-like main body 610, and a first positioning step is formed between the inward ridge 650 and the plate-like main body 610. At the same time, the four corners of the plate-like main body 610 have generally L-shaped positioning pieces 614, which are located on the inner side of the inward ridge 650, and form a second positioning step between the inward ridge 650. The two positioning steps work together to fully ensure the stability of the trays when they are stacked, and the corners of the plate-like main body 610, the flange 620, the inward ridge 650 and the positioning piece 614 are all chamfered with arcs. The stepped positioning structure is also conducive to the rapid alignment of the trays and the stacking of the upper and lower trays, as well as the removal of the upper tray, thereby improving ease of use.

[0044] In this embodiment, the pallet supply unit 400 and the pallet transfer unit 500 share a main frame beam structure, which is mainly composed of columns, cross beams and protective grilles. The pallet supply unit 400 includes a frame B440 fixed on the main frame, and the frame B440 includes two main beams 441 arranged horizontally opposite to each other on the left and right, and a plurality of secondary beams 442 connecting the two main beams 441. The pallet transfer line 420 is arranged along the width direction of the main frame beam structure. The empty pallet stacking station 410 and the fully loaded pallet stacking station 540 are located on one side of the pallet transfer line 420, and correspond to the pallet placement position and the pallet fixing position respectively. The pallet fixing position is located directly above the pallet waiting position.

[0045] Specifically, the pallet transfer line 420 is fixed on the frame B440 and is located between two main beams 441. It includes two straight belts arranged parallel to the left and right. The main beam 441 is provided with a guide beam 444. The inner side of the guide beam 444 is provided with a vertically arranged roller 443. The vertical distance between the two rollers 443 facing each other on the left and right is adapted to the width of the pallet, and the bottom surface of the roller 443 is flush with or slightly higher than the conveying surface of the pallet transfer line 420, ensuring that when the pallet is placed on the conveying surface, there is a high overlap between the roller 443 and they are easy to contact each other. The roller 443 is used to straighten it to prevent it from tilting, and to ensure smooth transportation.

[0046] The empty pallet gripper assembly 430 mainly includes a gripper seat A431, which is used to drive the gripper seat A431 to rise and fall, and a gripper drive mechanism A432 that moves horizontally between the empty pallet stacking station 410 and the pallet placement position. As shown in the figure, the gripper drive mechanism A432 mainly includes two horizontally arranged X-axis gripper guide rails A4320, and a Y-axis base A4321 that slides with the X-axis gripper guide rails A4320. The X-axis gripper guide rails A4320 cover the empty pallet stacking station 410 and the pallet placement position. When implemented, the X-axis gripper guide rails A4320 are fixed on the top of the main frame beam structure, and the Y-axis base A4321 has a Z-axis base A4322 that slides with it. The lower end of the Z-axis base A4322 is fixedly connected to the gripper seat A431. At the same time, the X-axis gripper guide A4320 has an X-axis rack A4323 set parallel to it, and an X-axis gear A4324 meshing with the X-axis rack A4323. The Y-axis base A4321 has an X-axis motor A4325 for driving the X-axis gear A4324 to rotate. The Z-axis base A4322 is vertically set, and one side of it has a Z-axis rack A4326 set fixed and parallel to it. The Z-axis rack A4326 is configured with a Z-axis gear A4327 meshing with it. The Y-axis base A4321 has a Z-axis motor A4328 for driving the Z-axis gear A4327 to rotate.

[0047] The gripper seat A431 mainly includes a connecting beam A4310 arranged along the length direction of the pallet transfer line 420, and the connecting beam A4310 has at least two horizontally arranged gripper mounting beams A4311, and the ends of each gripper mounting beam A4311 are installed with a gripper assembly A, and the spacing between adjacent gripper mounting beams A4311 is an integer multiple of the placement holes 611 on the pallet. In this embodiment, only two gripper mounting beams A4311 are provided, corresponding to the positions of the placement holes at both ends of the pallet. The gripper assembly A mainly includes a horizontally arranged abutting cylinder 4312, which is arranged horizontally, with its piston rod facing outward, and is connected to a clamping cylinder 4313, the piston rod of the clamping cylinder 4313 faces downward, and is installed with a clamping block 4314. As shown in the figure, the clamping block 4314 is L-shaped, with a bottom fitting surface 43140 and a side fitting surface 43141, and its notch is beyond the outside.

[0048] On this basis, the two lateral ends of the clamping block 4314 are connected with clamping blocks 4315, and there is a gap between the clamping surface of the clamping block 4315 and the bottom fitting surface 43140. Usually, the gap is adapted to the thickness of the grasped object. In this embodiment, the gap is adapted to the thickness of the pallet. During operation, the gripper driving mechanism A drives the gripper seat A431 to reach the approximate position, and the gripper assembly A is directly opposite to the placement hole 611. The clamping cylinder 4313 then drives the clamping block 4314 to move downward until the clamping block 4315 contacts the upper surface of the pallet, and then the clamping cylinder 4312 drives the clamping block 4314 to move horizontally outward, so that the bottom fitting surface 43140 of the clamping block 4314 is fitted with the bottom surface of the pallet close to the placement hole, and the side fitting surface 43141 is abutted against the side of the placement hole 611, thereby achieving the grasping of the pallet and fully ensuring the grasping balance to prevent the upper and lower pallets from being difficult to separate due to skew.

[0049] In addition, in order to further improve the adaptability of the gripper seat A431, a locking groove 43100 is provided on the connecting beam A4310 along its length direction. The gripper mounting beam A4311 is fixed to the connecting beam A4310 by a locking screw, and the position of the locking screw corresponds to the locking groove 43100. In this way, the spacing of the gripper mounting beam A4311 can be adjusted as needed.

[0050] In this embodiment, the other end of the pallet transfer line 420 is a pallet fixing station. The pallet fixing assembly 510 mainly includes positioning cylinders 511 that are arranged in pairs around the pallet fixing station, and a lifting cylinder 512 that is arranged below the pallet transfer line 420. As shown in the figure, the piston rods of the positioning cylinders 511 are all horizontally facing inward, and a tightening plate 513 is provided at the end thereof. The lifting cylinder 512 is fixed on the subbeam 442, and its piston rod faces upward, and has a horizontally arranged lifting positioning plate 514. Usually, the bottom of the pallet has reinforcing ribs, and the lifting positioning plate 514 has a positioning groove 5130 that is adapted to the position of the reinforcing ribs. The positioning groove 5130 and the reinforcing ribs constitute a mutually adapted snap-fit ​​structure to ensure that the width position of the pallet after being lifted is not affected by the horizontal force. , to prevent deflection, the lifting positioning plate 514 is located between the two straight belts. During operation, when the pallet reaches this position (i.e. the pallet waiting position, which is usually sensed by a position sensor), the pallet transfer line 420 stops working, and the lifting positioning plate 514 is lifted up by the lifting cylinder 512, and at the same time, the pallet on the straight belt is lifted up until it is adapted to the position of the clamping piece 513. Then the positioning cylinder 511 works, and the pallet is fixed (in the pallet fixing position) by the clamping piece 513. In this embodiment, the end face of the clamping piece 513 is abutted against the side of the inward convex ridge 650 of the pallet, and at the same time, the upper surface is in contact with the plate-like body 610, which corresponds to the position of the first positioning step, and plays a certain supporting role therefor, which can fully ensure the stability of the pallet posture at this time. Then, the lifting cylinder 512 is reset, the lifting positioning plate 514 falls, and the pallet transfer line 420 continues to work, transporting the pallet in the pallet placement position to the pallet waiting position, keeping one pallet in a waiting state. After the upper pallet is transferred, it can be lifted up and fixed, and quickly start receiving the metering shell, which is beneficial to improving production efficiency.

[0051] In this embodiment, the metering shell gripper assembly 520 mainly includes a gripper seat B521, and a gripper drive mechanism B for driving the gripper seat B521 to rise and fall and to move horizontally. The fully loaded pallet gripper assembly 530 mainly includes a gripper seat C531 and a gripper drive mechanism C for driving the gripper seat C531 to rise and fall and to move horizontally. The gripper drive mechanism B and the gripper drive mechanism C in this application are similar in structure to the gripper drive mechanism A, wherein the gripper seat B521 is provided with a suction cup gripper 522 which is arranged one by one in correspondence with the material picking station. The suction cup gripper 522 can be driven by the gripper drive mechanism B to move horizontally to the top of the material picking station, and then descend and extend into the groove of the metering shell to suck it up through negative pressure, and then move horizontally to the pallet fixing station, and after descending, the metering shell is placed on the pallet of the station.

[0052] The gripper seat C531 includes a connecting beam C5310 and a plurality of gripper mounting beams C5311. As shown in the figure, the gripper mounting beam C5311 and the connecting beam C5310 are both horizontally arranged and perpendicular to each other, wherein both ends of the gripper mounting beam C5311 are installed with gripper assemblies C, and the gripper assembly C mainly includes a clamping cylinder 5312, the piston rod of the clamping cylinder 5312 faces outward and is connected with a vertically extending clamping piece 5313. As shown in the figure, the position of the gripper mounting beam C5311 in this embodiment is adapted to the position of the positioning groove 640 and the clamping port 621 on the pallet. It should be noted that the inner side of the clamping piece 5313 corresponding to the clamping port 621 has a clamping groove 5314, while the clamping piece 5313 corresponding to the positioning groove 640 only has a bending portion that is horizontally bent inward at the bottom.

[0053] In addition, in order to further improve the working stability and reliability of the fully loaded pallet gripper assembly 530, elastic pressure plates 5315 are provided on the gripper mounting beams C5311 at both ends. In the present embodiment, there are at least two elastic pressure plates 5315, which are diagonally distributed. The elastic pressure plates 5315 are fixed to the gripper mounting beams C5311 through elastic connectors 5316. The elastic pressure plates 5315 are in a three-way angle shape, and the bottom has an outwardly inclined outer flange. Usually, the elastic connector 5316 is preferably a spring. When the pallet in the pallet fixing position is filled with the metering shell, the fully loaded pallet gripper assembly 530 starts to work, and the gripper seat C531 descends facing the fully loaded pallet to first contact and press with the upper surface of the pallet, and then clamps the two sides of the pallet through the gripper assembly C, and then rises and moves horizontally to the fully loaded pallet stacking station through the gripper drive mechanism C. Multiple fully loaded pallets are stacked up and down in sequence to facilitate subsequent rapid transportation.

[0054] As shown in the figure, the gripper drive mechanism C532 has a similar structure to the gripper drive mechanism C532. The gripper drive mechanism C532 mainly includes two horizontally arranged X-axis gripper guide rails C5320 and a Y-axis base C5321 that slides with the X-axis gripper guide rails C5320. The X-axis gripper guide rails C5320 cover the pallet fixing station and the fully loaded pallet stacking station 540. The Y-axis base C5321 has a Z-axis base C5322 that slides with it. The lower end of the Z-axis base C5322 is fixedly connected to the gripper seat C531. When implemented, the X-axis gripper guide rails C5320 are fixed on the top of the main frame beam structure. At the same time, the X-axis gripper guide rails The rail C5320 has an X-axis rack C5323 set parallel to it, and an X-axis gear C5324 meshing with the X-axis rack C5323, the Y-axis base C5321 has an X-axis motor C5325 for driving the X-axis gear C5324 to rotate, the Z-axis base C5322 is set vertically, and its lower end is fixedly connected to the connecting beam C5310, and one side of it has a Z-axis rack C5326 fixed and set parallel to it, the Z-axis rack C5326 is provided with a Z-axis gear C5327 meshing with it, and the Y-axis base C5321 has a Z-axis motor C5328 for driving the Z-axis gear C5327 to rotate.

[0055] refer to Figures 1 to 14 The pallet shipping system for metering shell production shown is used for batch gluing device 200 and is installed at the discharge end of batch gluing device 200. After the metering shell is glued, the metering shell moves to the material picking station, and the metering shell gripper assembly 520 grabs the metering shell at the material picking station and places it on the pallet 600 at the pallet fixed position. When the pallet at the pallet fixed position is full of metering shells, the full pallet gripper assembly 530 starts working and grabs the pallet and places it at the full pallet stacking station. During this process, the empty pallet gripper assembly 430 and the pallet transfer line 420 continue to work, and the sensor is used to detect whether the pallet at the pallet fixed position is moved. If it is moved, the pallet at the pallet waiting position is lifted up and fixed, and then the pallet is continued to be loaded, and then the pallet transfer line 420 transports a pallet to the pallet waiting position. The waiting time is greatly reduced in the whole process, and at the same time, the balance and stability of the pallet grabbing and placing are fully guaranteed, effectively preventing the pallet from getting stuck and the metering shell shaking affecting the gluing quality.

[0056] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make a variety of similar expressions without violating the purpose and claims of the present invention, and such changes fall within the scope of protection of the present invention.

Claims

1. A pallet shipping system for metering shell production, characterized in that: The invention comprises a pallet supply unit (400) and a pallet transfer unit (500), wherein the pallet supply unit (400) comprises an empty pallet stacking station (410), and a pallet transfer line (420) and an empty pallet gripper assembly (430) arranged corresponding to the empty pallet stacking station (410), wherein the pallet transfer line (420) has a pallet placement position and a pallet waiting position, and the empty pallet gripper assembly (430) can grab an empty pallet at the empty pallet stacking station (410) and place it at the pallet placement position, and then transport it to the pallet waiting position; The pallet transfer unit (500) comprises a pallet fixing station and a fully loaded pallet stacking station (540), a pallet fixing component (510) and a metering shell gripper assembly (520) arranged corresponding to the pallet fixing station, and a fully loaded pallet gripper assembly (530) for grabbing a pallet at the pallet fixing station and placing it at the fully loaded pallet stacking station, wherein the metering shell gripper assembly (520) is used to grab a metering shell at the outside of the pallet fixing station and place it on the pallet at the pallet fixing station.

2. The pallet shipping system for metering shell production according to claim 1, characterized in that: The invention comprises a main frame beam structure in a rectangular shape, wherein the pallet transfer line (420) is arranged along the width direction of the main frame beam structure, and an empty pallet stacking station (410) and a fully loaded pallet stacking station (540) are located on one side of the pallet transfer line (420) and correspond to a pallet placement position and a pallet fixing station respectively, wherein the pallet fixing station is located directly above the pallet waiting position.

3. The pallet shipping system for metering shell production according to claim 2, characterized in that: The tray supply unit (400) includes a frame B (440), and the pallet transfer line (420) is fixed on the frame B (440). The frame B (440) has guide beams (444) on both sides corresponding to the pallet transfer line (420), and the inner side of the guide beam (444) has a vertically arranged roller (443), and the bottom of the roller (443) is flush with or higher than the conveying surface of the pallet transfer line (420).

4. The pallet shipping system for metering shell production according to claim 2 or 3, characterized in that: The tray comprises a plate-like body (610), the outer edge of the plate-like body (610) has a flange (620) bent upward along the thickness direction thereof, the plate-like body (610) has a plurality of placement holes (611) distributed at intervals, the placement holes (611) can be used for the metering shell to be placed therein with the concave surface facing upward, the outer edge of the metering shell is supported on the plate-like body (610), the bottom of the plate-like body (610) has at least three evenly distributed support columns (612), the height of the support columns (612) is greater than the thickness of the metering shell, and the flange (620) has at least two groups of clamping openings (621) symmetrically arranged in pairs in the width direction; The empty pallet gripper assembly (430) comprises a gripper seat A (431), a gripper driving mechanism A (432) for driving the gripper seat A (431) to rise and fall, and to move horizontally between the empty pallet stacking station (410) and the pallet placement station; The gripper seat A (431) comprises a connecting beam A (4310) arranged along the conveying direction of the pallet transfer line (420), the connecting beam A (4310) having at least two horizontally arranged gripper mounting beams A (4311), each gripper mounting beam A (4311) having a gripper assembly A installed at its end, and the spacing between adjacent gripper mounting beams A (4311) being an integer multiple of the placement hole (611) on the pallet; The gripper assembly A includes a horizontally arranged clamping cylinder (4312), the clamping cylinder (4312) is horizontally arranged with its piston rod facing outward and connected to a clamping cylinder (4313), the piston rod of the clamping cylinder (4313) facing downward and installed with a clamping block (4314), the clamping block (4314) having a bottom fitting surface (43140) and a side fitting surface (43141) which can pass through the placement hole (611) and are arranged in an L shape, and the bottom thickness of the clamping block (4314) is less than the height of the support column (612).

5. The pallet shipping system for metering shell production according to claim 4, characterized in that: The two ends of the pressing block (4314) are provided with pressing blocks (4315), and there is a gap between the bottom surface of the pressing block (4315) and the bottom fitting surface (43140), and the gap is adapted to the thickness of the plate-like body (610).

6. The pallet shipping system for metering shell production according to claim 4, characterized in that: The connecting beam A (4310) has a locking groove (43100) arranged along its length direction, and the gripper mounting beam A (4311) is fixed to the connecting beam A (4310) by a locking screw.

7. The pallet shipping system for metering shell production according to claim 4, characterized in that: The pallet fixing assembly (510) includes positioning cylinders (511) arranged in pairs around the pallet fixing station, and a lifting cylinder (512) arranged below the pallet transfer line (420). The piston rods of the positioning cylinders (511) are all horizontally facing inward, and a locking plate (513) is provided at the end thereof. The piston rod of the lifting cylinder (512) is upward, and has a horizontally arranged lifting positioning plate (514).

8. The pallet shipping system for metering shell production according to claim 7, characterized in that: The lifting and positioning plate (514) has a snap-fit ​​structure adapted to the bottom of the tray.

9. The pallet shipping system for metering shell production according to claim 4, characterized in that: The fully loaded pallet gripper assembly (530) comprises a gripper seat C (531) and a gripper driving mechanism C for driving the gripper seat C (531) to move up and down and horizontally; The gripper seat C (531) includes a connecting beam C (5310) and a plurality of gripper mounting beams C (5311), wherein the gripper mounting beams C (5311) and the connecting beams C (5310) are both horizontally arranged and perpendicular to each other, wherein a gripper assembly C is installed at both ends of the gripper mounting beam C (5311), and the gripper assembly C includes a horizontally arranged clamping cylinder (5312), wherein the piston rod of the clamping cylinder (5312) faces outward and is connected to a vertically extending clamping plate (5313), wherein the inner side of the clamping plate (5313) has a clamping groove (5314) adapted to the clamping opening (621).

10. The pallet shipping system for metering shell production according to claim 9, characterized in that: An elastic clamping sheet (5315) is provided on the gripper mounting beam C (5311) at the end of the connecting beam C (5310), and there are at least two elastic clamping sheets (5315) which are diagonally distributed. The elastic clamping sheets (5315) are fixed to the gripper mounting beam C (5311) via an elastic connecting piece (5316).

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