Automatic Loading and Unloading Device for Thermal Spraying of Cookware and Automatic Loading and Unloading Method for Cookware

Abstract

The present invention relates to an automatic loading and unloading device for thermal spraying of cookware, which is installed in the body of the cookware thermal spraying production line and is located above the workbench of the production line, and cooperates with the circulating transmission component in the production line to complete material taking and placing; one side of the body is a thermal coating room, and the automatic loading and unloading device includes a material placing component and a material taking component arranged opposite to the thermal coating room; during operation, when the circulating transmission component passes below the material placing component, the material placing component places a semi-finished cookware into the circulating transmission component and transports it to the thermal coating room for spraying. After completion, the circulating transmission component transports the semi-finished cookware to the material taking component for picking up, and operates continuously in this cycle. The present invention is installed in the cookware thermal spraying production line and is specifically designed according to the shape of the cookware placed in the production line, the material of the cookware, the existing temperature and other characteristics. Both the loading and unloading devices of the present invention are not affected by the material, and there is no need to worry about the difficulty of picking up the stacked cookware being squeezed together.

Description

Technical Field

[0001] The present invention belongs to the technical field of automatic loading and unloading in a production line, and particularly relates to an automatic loading and unloading device for a cookware thermal spraying production line and a method for automatically loading and unloading cookware in a thermal spraying production line. Background Art

[0002] Due to the arc-shaped outer shape of cookware, it is difficult to design a suitable loading and unloading device in a processing production line. For example, the commonly used grasping method cannot be applied to cookware. Moreover, after the cookware is formed, multiple cookware are stacked together, and there is a certain degree of vacuum between adjacent cookware. Therefore, it is necessary to apply extra force when removing them. When using negative pressure adsorption, due to this factor and the weight of the cookware itself, it is not economical in terms of energy consumption. In addition, the bottom surface of the cookware after thermal spraying is still in a high-temperature state, and it is also impossible to directly adsorb it with a suction cup.

[0003] Application Publication No. CN 112192438 A discloses a synchronous automatic loading and unloading device for a pot grinding machine, which uses a magnetic attraction method. However, most of the current cookware materials are non-ferrous, and the applicable occasions of magnetic attraction become limited. Therefore, the processing of cookware basically still adopts manual feeding and unloading, resulting in high labor intensity of workers, low efficiency, and easy occurrence of safety accidents when operating a high-speed rotating machine tool. Summary of the Invention

[0004] In view of the above problems, the present invention provides a low-energy automatic loading and unloading device applied to a cookware thermal spraying production line. The automatic loading and unloading device is designed based on the outer shape of the cookware and the structural characteristics after stacking, and can replace manual loading and unloading to achieve low-energy and stable loading and unloading of cookware.

[0005] The invention purpose of the present invention is achieved through the following technical solutions: An automatic loading and unloading device for cookware thermal spraying is installed in the body of a cookware thermal spraying production line and is located above the workbench of the production line, and cooperates with a circulating transmission component in the production line to complete material taking and placing; one side of the body is a thermal spraying room, and the automatic loading and unloading device includes a discharging component and a material taking component arranged opposite to the thermal spraying room; during operation, when the circulating transmission component passes below the discharging component, the discharging component places a semi-finished cookware into the circulating transmission component and transports it to the thermal spraying room for spraying. After completion, the circulating transmission component transports the semi-finished cookware to the material taking component for picking up, and operates continuously in this cycle.

[0006] Preferably, the circulating transmission component includes a circulating rotating chain in the workbench of the production line, a guide rail forming a closed loop on the outer circle of the workbench of the production line, and a conveying tray with one end hinged to the circulating rotating chain and the other end movably connected to the guide rail through a universal pulley; multiple conveying trays are arranged at intervals. The closed-loop guide rail provides a stable support for the conveying tray to increase the stability of its transmission.

[0007] Preferably, in the pipeline workbench, a guide groove for cooperating with material feeding and material taking is provided between the circulating chain and the guide rail.

[0008] Preferably, the circulating transmission assembly further includes a lifting table tightly and rotatably sleeved at the central position of the conveying tray; a ball component is provided at the lower part of the lifting table, a circular top plate is fixedly arranged at the upper part, and a compression spring is sleeved above the ball component; the upper end of the compression spring abuts against the lower surface of the conveying tray, and the lower end of the compression spring abuts against the upper edge of the seat body for installing the balls in the ball component. After the lifting table is connected to the conveying tray, the balls fall into the guide groove and always remain in the guide groove along with the circumferential movement of the conveying tray; the guide groove is provided with an upward feeding boss at the section located at the feeding component and an upward material taking boss at the section located at the material taking component. The setting of the boss in the guide groove is extremely simple, and it is very easy to adjust and replace both in height and length, so the required driving stroke can be ideally completed.

[0009] Preferably, the circulating transmission assembly further includes a positioning die tightly and slidably sleeved on the outer periphery of the lifting table through a key groove. The positioning die is designed according to the characteristics of the rotating body of the pot, and when the pot is placed in the positioning die, it can automatically center.

[0010] Preferably, the lower surface of the positioning die is a plate surface, the middle part is hollow, and the upper part is a round hole larger than the diameter of the top plate; after the conveying tray, the lifting table, the positioning die, and the compression spring are assembled together, the outer surface dimension of the positioning die matches the semi-finished pot to be sprayed.

[0011] Preferably, the feeding component includes a table board horizontally fixed on the machine body, a cover hinged to the lower surface of the table board, and a power transmission part arranged at the hinge for opening and closing the cover; a passage hole for the semi-finished pot to pass through is provided in the middle of the table board at the center position of the cover, and the feeding component further includes two groups of material separating components diagonally arranged at the passage hole. The cover switches between the two functions of being used as a slideway or a parking platform by opening and closing, and the required function is simply and reliably realized.

[0012] Preferably, the material separating component includes two groups of lead screw transmission parts arranged at right angles, a driving motor providing power for the two groups of lead screw transmission parts at the same time, a lead screw nut respectively meshing with the lead screws in the lead screw transmission parts, and a separating block fixedly connected with the lead screw nut.

[0013] Preferably, long waist holes are provided in the middle of the table board below each separating block.

[0014] Preferably, bevel gears are installed at one ends of the lead screws of the two groups of lead screw transmission parts that are close to each other, and the driving motor is installed with a matching bevel gear meshing with the bevel gears on the two lead screws at the same time.

[0015] Preferably, the separating block is an integral triangular block. A convex block that is slidably engaged with the long waist hole is fixedly connected to the lower part of the triangular block. On one side of the triangular block facing the channel hole, a number of rotatable rollers are fixedly provided, the circumferences of which are parallel to the upper side and flush with the lower side of the triangular block. An opening member is also provided on the side with the smallest included angle of the triangular block.

[0016] Preferably, the cover is made of iron material, and an electromagnetic suction block is provided on one side of the table board away from the power transmission member. The electromagnetic suction block is a relatively convenient way to ensure closing, and it can also be replaced by other components in the prior art.

[0017] Preferably, the material taking assembly is located upstream of the material discharging assembly in the production line. Its main structure includes a main body mounting frame that abuts against the machine body, a slide rail that abuts against and is vertically fixed in the main body mounting frame, a slide seat that is slidably engaged with the slide rail, a rotating shaft mounting seat that is fixed on the slide seat, two rotating shafts that are rotatably connected to the rotating shaft mounting seat at both ends respectively, two lifting rod members arranged at the assembled ends of the two rotating shafts, a lowering control member arranged below the rotating shaft mounting seat, and a lifting drive cylinder connected to the slide seat.

[0018] Preferably, a protective cover is also fixedly provided on the slide seat of the material taking assembly, and a conveyor belt is arranged at a preset height in front of the material taking assembly. Protrusions are arranged at intervals in the center of the conveyor belt.

[0019] Preferably, the rotating shaft includes an inner shaft core, an outer shaft sleeve, and their joint part. The joint part is cylindrical. Planes that are symmetrically cut off vertically with respect to the axis of the inner shaft core are provided on the upper and lower sides of the cylindrical shape. A pin shaft mounting hole is provided in this plane, and a mounting groove for installing a torsion spring is provided at the end of the cylindrical shape; at least one positioning groove is provided in the outer shaft sleeve. After the rotating shaft is installed in the rotating shaft mounting seat, the outer shaft sleeve has a limiting flange facing outward. The design of the positioning groove is a preset adjustment method for cookware with different diameters.

[0020] Preferably, the lifting rod member includes a rod body, a mounting plug for installing the rod body on the rotating shaft, and a reset torsion spring installed in the mounting plug; one end of the rod body is a free end and the other end is a hinged mounting part. The whole rod body is a round rod, and the upper part is a cut plane. The diameter of the rod body is larger than the size of the flanging of the semi-finished cookware. As little power source as possible is utilized for the moving part, which saves energy and the number of potential failure points during operation can also be relatively small.

[0021] Preferably, after the lifting rod member and the rotating shaft are assembled and installed through a pin shaft, one end of the reset torsion spring abuts against the mounting groove, and the other end abuts against the mounting plug.

[0022] Preferably, the lowering control member includes hinge seats fixedly connected to the lower sides of both ends of the rotating shaft mounting base, a Z-shaped support bent plate hinged to the hinge seats, a support spring on the inner side of the Z-shaped support bent plate facing inwards, an adjusting member on the outer side of the Z-shaped support bent plate facing outwards, a triggering inclined plate provided on one side of the Z-shaped support bent plate close to the support spring, and a flipping starting block that cooperates with the triggering inclined plate and is installed at a preset height on the plate surface of the main body mounting frame.

[0023] In view of the above problems, the present invention also provides a method for automatically picking and placing cookware, and the steps are as follows:

[0024] S1. The conveying tray moves to the blanking boss, the lifting table rises upward under the contact of the ball with the boss, the top plate is in the state of receiving materials, the two driving motors of the blanking assembly are started synchronously, each lead screw transmission member drives the separating block to move to one side synchronously, each opening member lifts the penultimate semi-finished cookware upward synchronously and abuts against the upper edge of the flange of the bottommost semi-finished cookware to keep it in place, the electromagnetic suction block is opened, the power transmission member slowly opens the cover, and the single semi-finished cookware that has fallen to the bottom slides down along the slope of the cover to the top plate. The conveying tray advances, the top plate descends, the material receiving is completed, the power transmission member then slowly closes the cover, the electromagnetic suction block is attracted, and the driving motor drives each separating block back to the initial position;

[0025] S2. The conveying tray moves to the thermal spraying room to complete thermal spraying;

[0026] S3. The conveying tray moves to the area of the picking assembly, that is, the picking boss. The lifting table rises upward under the contact of the ball with the boss. After the front side of the bottom of the semi-finished cookware is lifted upward by the top plate in the lifting table, there is a separated distance between the edge of the semi-finished cookware and the conveying tray. The lifting driving cylinder pushes the sliding seat to move downward along the slide rail. The rod body contacts the arc surface of the semi-finished cookware. After the rod body overcomes the torsion of the return torsion spring under the external force, it expands outwards and finally moves past the semi-finished cookware to the lower part of the cookware. The sliding seat rises, and the rod body lifts the cookware and rises synchronously. When the rod body contacts the positioning die synchronously, it slowly returns to the initial position. After the sliding seat rises to the preset height, the triggering inclined plate abuts against the flipping starting block, the inclined surface of the triggering inclined plate is forced to fit with the flipping starting block, and the Z-shaped support bent plate rotates accordingly. The support spring is compressed, and the position of the adjusting member drops. Thus, the limiting flange follows and drops, the rotating shaft rotates, the rod body is inclined with the end downward, and the semi-finished cookware slides down to the conveyor belt under the protection of the protective cover and is conveyed to the next process.

[0027] In summary, the present invention has the following advantages compared with the prior art:

[0028] The present invention is installed in a hot-spraying production line for cookware, and is specifically designed according to the shape characteristics of the cookware itself, the form in which the cookware is placed in the production line, the material of the cookware, the temperature present, and other characteristics. The pick-up and placement device utilizes the fact that the edges of the cookware still have a certain width of flanges and are stacked after the forming station is completed, and designs a material dividing member with diagonal edges as one group, so that triangular blocks equipped with rollers enter the position of the cookware flanges in two diagonal groups at the same time, thereby separating the bottom cookware. After completion, the triangular blocks retreat, and all the stacked cookware are put back on the original covers. Therefore, even if there are many stacked cookware, it will not affect the separation of only one cookware each time. If the cookware below is squeezed together by suction cups or magnets, there will be an erroneous operation of adsorbing multiple cookware at one time.

[0029] The material picking component utilizes the state that the pot is buckled in the positioning mold after spraying, and performs a jacking action on the pot from below to obtain a space separating the pot and the conveying tray, and then uses the curved shape of the pot to design a lifting rod, which first descends from top to bottom from this separated space to slide under the pot. During the process of pressing down the lifting rod, the pot is in the positioning mold, so the pot can remain stable, and the lifting rod drives the pot to lift. During the lifting process, the lifting rod is gradually reset with the help of the resistance with the same curved positioning mold, thus ensuring the stability of the pot. After the pot is lifted to the preset position, the control component is lowered to make the front end of the lifting rod tilt downward, so that the pot can slide into the continuously running conveyor belt and be brought to the next workstation.

[0030] In summary, the two devices for taking and placing of the present invention are not affected by the material, and there is no need to worry about the stacked pots being squeezed together and difficult to take out. The high temperature of the assembly line spraying is also not affected. The structure is simple to manufacture, the power source is small, and the energy consumption is economical. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention installed in a production line;

[0032] Figure 2 for Figure 1 A partial enlarged view of point B in the middle;

[0033] Figure 3 for Figure 1 A partial enlarged view of the middle A;

[0034] Figure 4 This is a structural schematic diagram of the present invention installed in a production line from another angle;

[0035] Figure 5 for Figure 4 A partial enlarged view of point C in the middle;

[0036] Figure 6 It is a structural schematic diagram of the material taking component;

[0037] Figure 7 Schematic diagram of the structure for installing the discharging boss and the material taking boss in the guide groove;

[0038] Figure 8 Overall structure diagram of the material taking assembly and exploded view of some parts;

[0039] Figure 9 Exploded view of some parts of the material taking assembly;

[0040] Figure 10 Schematic diagram of the structure of the discharging assembly;

[0041] Figure 11 Schematic diagram of the structure of the material distributing member;

[0042] Figure 12 For Figure 8 Partial enlarged view at position D in

[0043] Figure 13 For Figure 2 Partial enlarged view at position E in

[0044] Markings in the figure: semi-finished cookware 01, machine body 10, top plate 341, discharging boss 51, material taking boss 61, assembly line workbench 20, circulating transmission assembly 30, circulating rotating chain 31, guide rail 32, guide groove 21, conveying tray 33, lifting platform 34, positioning die 35, hot coating room 40, discharging assembly 50, material taking assembly 60, table board 52, cover 53, power transmission member 54, material distributing member 55, lead screw transmission member 551, driving motor 552, lead screw nut 553, separating block 554, channel hole 03, long waist hole 02, opening member 05, electromagnetic suction block 06, main body mounting frame 62, slide rail 63, slide seat 64, rotating shaft mounting seat 65, rotating shaft 66, inner shaft core 661, outer shaft sleeve 662, joint part 663, pin shaft mounting hole 664, mounting groove 665, limiting flange 666, lifting rod member 67, rod body 671, mounting plug-in 672, reset torsion spring 673, lowering control member 68, lifting driving cylinder 69, protective cover 60a, transmission belt 60b, hinge seat 681, Z-shaped support bent plate 682, support spring 683, adjusting member 684, triggering inclined plate 685, flipping start block 686. Specific embodiments

[0045] The present invention will be further described below in conjunction with the embodiments shown in the drawings:

[0046] Embodiment 1

[0047] As Figure 1-2As shown in the figure, an automatic loading and unloading device for hot spraying of cookware is installed in the body 10 of the cookware hot spraying production line and is located above the production line workbench 20. It cooperates with the circulating transmission component 30 in the production line to complete material loading and unloading. One side of the body 10 is a hot coating room 40. The automatic loading and unloading device includes a discharging component 50 and a material taking component 60 arranged back to back with the hot coating room 40. During operation, when the circulating transmission component 30 passes below the discharging component 50, the discharging component 50 places a semi-finished cookware 01 into the circulating transmission component 30 and transports it to the hot coating room 40 for spraying. After completion, the circulating transmission component 30 transports the semi-finished cookware 01 to the material taking component 60 for picking up, and operates continuously in this cycle.

[0048] As Figure 2-7 shown, the circulating transmission component 30 includes a circulating rotating chain 31 in the production line workbench 20, a guide rail 32 forming a closed loop on the outer circle of the production line workbench 20, and a conveying tray 33 with one end hinged on the circulating rotating chain 31 and the other end movably connected to the guide rail 32 through a universal pulley. A plurality of conveying trays 33 are arranged at intervals. After the conveying trays 33 are installed, they are driven by the circulating rotating chain 31.

[0049] In the production line workbench 20, a guide groove 21 for cooperating with material loading and unloading is provided between the circulating rotating chain 31 and the guide rail 32.

[0050] The circulating transmission component 30 further includes a lifting platform 34 tightly and rotatably sleeved at the central position of the conveying tray 33. A ball component is provided at the lower part of the lifting platform 34, and a circular top plate 341 is fixedly arranged at the upper part. A compression spring is sleeved above the ball component. The upper end of the compression spring abuts against the lower surface of the conveying tray 33, and the lower end of the compression spring abuts against the upper edge of the seat body for installing the balls in the ball component. After the lifting platform 34 is connected to the conveying tray 33, the balls fall into the guide groove 21 and always remain in the guide groove 21 as the conveying tray 33 moves around. The guide groove 21 is provided with an upward discharging boss 51 at the section located at the discharging component 50 and an upward material taking boss 61 at the section located at the material taking component 60. The discharging boss 51 and the material taking boss 61 are respectively used for cooperating with material loading and unloading.

[0051] The circulating transmission component 30 further includes a positioning die 35 tightly and slidably sleeved on the outer periphery of the lifting platform 34 through a key groove.

[0052] The lower surface of the positioning die 35 is a plate surface, the middle part is hollow, and the upper part is a circular hole larger than the diameter of the top plate 341.

[0053] After the conveying tray 33, the lifting platform 34, the positioning mold 35 and the compression spring are assembled together, the outer surface size of the positioning mold 35 matches the semi-finished pot 01 to be sprayed, that is, the semi-finished pot 01 is close to and covers the upper surface of the positioning mold 35. When the conveying tray 33 moves to the corresponding boss, the compression spring is compressed. When the conveying tray 33 moves to the discharge boss 51 and the pick-up boss 61, the heights of the bosses at these two positions will make the top plate 341 rise to a height exceeding the bottom surface of the semi-finished pot 01. That is, when it reaches the position of the discharge boss 51, the top plate 341 rises upward to be able to receive the material at a close distance. When it reaches the position of the pick-up boss 61, the semi-finished pot 01 can be lifted to a certain height to facilitate unloading.

[0054] like Figure 10 As shown, the unloading assembly 50 includes a table 52 horizontally fixed on the machine body 10, a cover 53 provided on the lower surface of the table 52 and hinged with each other, and a power transmission member 54 provided at the hinge for opening and closing the cover 53;

[0055] In the platform 52, there is a passage hole 03 located at the center of the cover 53 for the semi-finished pot 01 to pass through, and the material discharging assembly 50 also includes two groups of material discharging components 55 arranged diagonally at the passage hole;

[0056] The material separation member 55 includes two groups of screw transmission members 551 set at right angles, a driving motor 552 that provides power to the two groups of screw transmission members 551, screw nuts 553 that respectively mesh with the screws in the screw transmission members 551, and a separation block 554 that is fixedly connected to the screw nuts 553;

[0057] In the table 52, corresponding to the bottom of each separation block 554, a long waist hole 02 is provided to limit the movement of the separation block 554;

[0058] The ends of the screws of the two sets of screw transmission members 551 that are close to each other are equipped with bevel gears, and the driving motor 552 is equipped with matching bevel gears that mesh with the bevel gears on the two screws at the same time to achieve synchronous power transmission;

[0059] The separation block 554 is a triangular block as a whole, and a convex block that slides with the long waist hole 02 is fixedly connected to the bottom of the triangular block. A plurality of self-rotating rollers 04 whose circumferences are parallel to the upper side of the triangular block and flush with the lower side are fixedly provided on the side of the triangular block facing the channel hole 03, and an opening piece 05 is also provided on the side with the smallest angle of the triangular block.

[0060] The cover 53 is made of iron material. An electromagnetic suction block 06 is provided on the side of the table 52 away from the power transmission member 54. Under normal conditions, the cover 53 is sucked by the electromagnetic suction block 06 to bear the weight of all the pots stacked together. The electromagnetic suction block suction method can be replaced by any supporting mechanism in the prior art.

[0061] Reference Figure 1 、 Figure 4 、 Figure 10 、 Figure 11 When the feeding assembly 50 is working, the conveying tray 33 enters above the feeding boss 51, the lifting table 34 rises, the top plate 341 rises upward, two driving motors 552 are started synchronously, and each screw transmission member 551 drives the separation block 554 to move to one side synchronously. Here, two points need to be preset in advance: 1. The circumferential surface of each roller 04 can contact the flanging of the semi-finished cookware 01; 2. The starting positions of each separation block 554 are the same; that is, each separation block 554 is relatively far away from the semi-finished cookware 01 at the initial position. As the driving motor 552 starts, each separation block 554 approaches the semi-finished cookware 01 synchronously. As the movement continues, each opening member 05 lifts the penultimate semi-finished cookware 01 upward synchronously and abuts against the upper edge of the flanging of the lowermost semi-finished cookware 01 to keep it in place. In this way, all the cookware above the penultimate semi-finished cookware 01 is lifted. At this time, the electromagnetic suction block 06 is opened, and the power transmission member 54 slowly opens the cover 53. The single semi-finished cookware 01 at the bottom slides down along the slope of the cover 53 into the top plate 341. The conveying tray 33 advances, the top plate 341 descends, and this semi-finished cookware 01 can smoothly enter the positioning die 35, thus completing the material receiving. Then the power transmission member 54 slowly closes the cover 53, the electromagnetic suction block 06 is attracted, and the driving motor 552 drives each separation block 554 back to the initial position, so that all the semi-finished cookware 01 returns to its original position waiting for the next feeding.

[0062] The material taking component 60 is located upstream of the material discharging component 50 in the assembly line, so as to move to the material discharging component 50 after completing the material taking of the conveying tray 33 to start a new round of operation. Its main structure includes a main body mounting frame 62 attached to the machine body 10, a slide rail 63 attached and vertically fixed in the main body mounting frame 62, a slide seat 64 slidably engaged with the slide rail, a rotating shaft mounting seat 65 fixed on the slide seat 64, two rotating shafts 66 rotatably connected to the rotating shaft mounting seat at both ends of the rotating shaft mounting seat 65, two lifting rod members 67 arranged at the assembled ends of the two rotating shafts 66, a lowering control member 68 arranged below the rotating shaft mounting seat 65, and a lifting driving cylinder 69 connected to the slide seat 64; when static, the slide seat 64 is at a high position, and when working, the lifting driving cylinder 69 pushes the slide seat 64 to move downward along the slide rail 63. After the rod part of the lifting rod member 67 contacts the arc surface of the semi-finished cookware 01, the rod parts can respectively expand outwards and finally cross over the semi-finished cookware 01 to reach below the cookware, and then the rod parts return to the initial position. At this time, the slide seat 64 rises, that is, the semi-finished cookware 01 is lifted. After the semi-finished cookware 01 is lifted to a preset height, the lowering control member 68 makes the two rotating shafts 66 rotate downward synchronously, and the free ends of the rod parts of the lifting rod members 67 also descend accordingly, forming an inclination as a whole, and the semi-finished cookware 01 slides out along the rod parts under the action of the inclination.

[0063] To prevent the semi-finished cookware 01 from deviating in position during the sliding out process, a protective cover 60a is fixedly arranged on the slide seat 64 of the material taking component 60. At the same time, a conveyor belt 60b is arranged at a preset height to cooperate with material receiving. Protrusions are arranged at intervals in the center of the conveyor belt 60b. In this way, the protrusions can contact the inner wall of the semi-finished cookware 01 during the operation of the conveyor belt 60b to achieve the purpose of dragging.

[0064] Figure 9 As shown, the rotating shaft 66 includes an inner shaft core 661, an outer shaft sleeve 662 and a joint part 663 between the two. The joint part 663 is cylindrical. The cylindrical shape is symmetrically cut in the vertical direction with respect to the axis of the axis 661, and a pin shaft mounting hole 664 is arranged in this plane. An installation groove 665 for installing a torsion spring is arranged at the end of the cylindrical shape; at least one positioning groove is arranged in the outer shaft sleeve 662, and this positioning groove is used to limit the distance between the two rotating shafts 66 when the rotating shaft 66 is installed in the rotating shaft mounting seat 65; after the rotating shaft 66 is installed in the rotating shaft mounting seat 65, the outer shaft sleeve 662 has a limiting flange 666 facing the outside;

[0065] The lifting rod member 67 includes a rod body 671, an installation plug-in 672 for installing the rod body 671 onto the rotating shaft 66, and a return torsion spring 673 installed in the installation plug-in 672 for providing an elastic force; one end of the rod body 671 is a free end and the other end is a hinged installation part. The whole rod body 671 is a round rod, and the upper part is a cut plane, the purpose of which is to have better contact stability of the plane when lifting the cookware. The diameter of the rod body 671 is larger than the size of the flanging of the semi-finished cookware 01, so that when the rod body 671 falls and slides over the arc-shaped outer wall of the semi-finished cookware 01 to the flanging position, the peripheral surface of the rod body 671 can directly cross the plane of the flanging, that is, the peripheral surface of the rod body 671 directly touches the edge of the flanging, so that the rod body 671 can fall smoothly;

[0066] After the lifting rod member 67 and the rotating shaft 66 are assembled and installed through a pin shaft, refer to Figure 13 As shown, one end of the return torsion spring 673 abuts against the installation groove 665, and the other end abuts against the installation plug-in 672. Under normal conditions, the return torsion spring 673 pushes the installation plug-in 672 together with the rod body 671 perpendicular to the plate surface of the main body mounting frame 62, that is, the rod body 671 can expand outwards after overcoming the torsion of the return torsion spring 673 under an external force, and returns to its original position after the external force is eliminated;

[0067] Refer to Figure 3 、 Figure 8 and Figure 12 As shown, the lowering control member 68 includes hinge seats 681 fixedly connected to the lower sides of both ends of the rotating shaft mounting seat 65, a Z-shaped support bent plate 682 hinged to the hinge seats 681, a support spring 683 on the inner side of the Z-shaped support bent plate 682, and an adjusting member 684 on the outer side of the Z-shaped support bent plate 682; under normal conditions, the adjusting member 684 abuts against the limiting flanging 666, and the support spring 683 provides support for the rotating shaft 66, that is, the rod body 671 connected to the rotating shaft 66 is supported, and the supporting force is sufficient to lift the cookware; Figure 12 As shown, a trigger inclined plate 685 is provided on one side of the Z-shaped support bent plate 682 close to the support spring 683, and a flip start block 686 is installed at a preset height on the plate surface of the main body mounting frame 62 in cooperation with the trigger inclined plate 685; during operation, the rod body 671 carrying the semi-finished cookware 01 moves upwards. When the trigger inclined plate 685 abuts against the flip start block 686, the inclined surface of the trigger inclined plate 685 is forced to fit with the flip start block 686, and the Z-shaped support bent plate 682 rotates accordingly, the support spring 683 is compressed, the position of the adjusting member 684 drops, thus, the limiting flanging 666 drops accordingly, the rotating shaft 66 rotates, the rod body 671 is inclined with the end downward, and the semi-finished cookware 01 slides down;

[0068] Overall operation process:

[0069] S1, the conveying tray 33 moves to the discharge boss 51, the ball bearing and the boss abut against each other and the lower lifting platform 34 rises upward, the top plate 341 is in a state of receiving materials, the two driving motors 552 of the discharge assembly 50 are started synchronously, and each screw transmission member 551 synchronously drives the separation block 554 to move to one side, and each opening member 05 synchronously lifts the second-to-last semi-finished pot 01 upward and abuts against the upper edge of the flange of the bottom semi-finished pot 01 to keep it in place, so that all the pots from the second-to-last semi-finished pot 01 upwards are lifted, and at this time, the electromagnetic suction block 06 is opened, and the power transmission member 54 slowly opens the cover 53, and the bottom The semi-finished pot 01 that has been placed alone will slide down to the top plate 341 along the slope of the cover 53, the conveyor tray 33 will move forward, the top plate 341 will be lowered, and the semi-finished pot 01 will be able to smoothly enter the positioning mold 35, thus completing the material receiving, the power transmission member 54 will slowly close the cover 53, the electromagnetic suction block 06 will be attracted, and the driving motor 552 will bring each separation block 554 back to the initial position, so that all the semi-finished pots 01 will return to their original positions and wait for the next material discharge. Due to the setting of the positioning mold 35, the semi-finished pot 01 will first contact the positioning mold 35 even if it is tilted, and will not slide out of the range outside the positioning mold 35;

[0070] S2, the conveying tray 33 moves to the thermal coating room 40 to complete thermal spraying;

[0071] S3, the conveying tray 33 moves to the area of ​​the material taking component 60, that is, the material taking boss 61, the ball bearing and the boss collide and the lifting platform 34 rises upward, and the front of the bottom of the semi-finished pot 01 is lifted upward by the top plate 341 in the lifting platform 34. The edge of the semi-finished pot 01 is separated from the conveying tray 33 by a distance, and the lifting drive cylinder 69 pushes the slide 64 to move downward along the slide rail 63, and the rod 671 contacts the arc surface of the semi-finished pot 01. Under the external force, the rod 671 overcomes the torsion of the reset torsion spring 673 and expands outward, and finally passes over the semi-finished pot 01 and comes under the pot, the slide 64 rises, and the rod 671 lifts the pot synchronously, and the synchronous rod 671 slowly returns to the initial position under the contact with the positioning mold 35. The positioning mold 35 eliminates the unstable factor of the rapid rebound of the rod body 671. After the slide 64 rises to the preset height, the trigger inclined plate 685 conflicts with the flip start block 686. The inclined surface of the trigger inclined plate 685 is forced to fit the flip start block 686, and the Z-shaped support bent plate 682 rotates accordingly. The support spring 683 is compressed, and the position of the adjustment member 684 decreases. As a result, the limit flange 666 follows the decrease, the rotating shaft 66 rotates, and the rod body 671 is tilted downward at the end. The semi-finished pot 01 slides down to the conveyor belt 60b under the protection of the protective cover 60a and is transmitted to the next process.

[0072] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An automatic pick - and - place device for hot spraying of cookware, which is installed in the body (10) of the cookware hot - spraying production line and is located above the production - line workbench (20), and cooperates with the circulating transmission component (30) in the production line to complete material picking and placing; one side of the body (10) is a hot - coating room (40), and it is characterized in that, The automatic loading and unloading device includes a loading component (50) and an unloading component (60) which are arranged facing away from the hot coating room (40); during operation, when the circulating transmission component (30) passes below the loading component (50), the loading component (50) places a semi-finished cookware (01) into the circulating transmission component (30) and transports it to the hot coating room (40) for spraying. After completion, the circulating transmission component (30) transports the semi-finished cookware (01) to the unloading component (60) for picking up, and operates continuously in this cycle; The circulating transmission component (30) includes a circulating rotating chain (31) in the pipeline workbench (20), a guide rail (32) forming a closed loop on the outer circle of the pipeline workbench (20), one end is hinged on the circulating rotating chain (31), and the other end is provided with a conveying tray (33) that is movably connected to the guide rail (32) through a universal pulley; multiple conveying trays (33) are arranged at intervals; In the pipeline workbench (20), a guide groove (21) for cooperating with loading and unloading is provided between the circulating rotating chain (31) and the guide rail (32); The circulating transmission component (30) further includes a lifting platform (34) that is tightly and rotatably sleeved at the central position of the conveying tray (33); a ball component is provided at the lower part of the lifting platform (34), a circular top plate (341) is fixedly arranged at the upper part, and a compression spring is sleeved above the ball component; the upper end of the compression spring abuts against the lower surface of the conveying tray (33), and the lower end of the compression spring abuts against the upper edge of the seat body for installing the balls in the ball component. After the lifting platform (34) is connected to the conveying tray (33), the balls fall into the guide groove (21) and always remain in the guide groove (21) as the conveying tray (33) moves around; the guide groove (21) is provided with an upward loading boss (51) at a section located at the loading component (50) and an upward unloading boss (61) at a section located at the unloading component (60).

2. The automatic pick-and-place device for hot spraying of cookware according to claim 1, characterized in that The circulating transmission component (30) further includes a positioning die (35) that is tightly and slidably sleeved on the outer periphery of the lifting platform (34) through a keyway.

3. The automatic pick - and - place device for thermal spraying of cookware according to claim 2, wherein, The lower surface of the positioning die (35) is a plate surface, the middle part is hollow, and the upper part is a circular hole larger than the diameter of the top plate (341); after the conveying tray (33), the lifting platform (34), the positioning die (35), and the compression spring are assembled together, the outer surface size of the positioning die (35) matches the semi-finished cookware (01) to be sprayed.

4. The automatic pick - and - place device for thermal spraying of cookware according to claim 1, characterized in that, The loading component (50) includes a table board (52) horizontally fixed on the machine body (10), a cover (53) hinged to the lower surface of the table board (52), and a power transmission member (54) provided at the hinge for opening and closing the cover (53); in the table board (52), at the center position of the cover (53), there is a passage hole (03) for the semi-finished cookware (01) to pass through, and the loading component (50) further includes two groups of material dividing members (55) arranged diagonally at the passage hole.

5. The automatic pick-and-place device for thermal spraying of cookware according to claim 4, characterized in that, The material separating member (55) includes two sets of lead screw transmission members (551) arranged at a right angle, a driving motor (552) that provides power to the two sets of lead screw transmission members (551) simultaneously, lead screw nuts (553) that are respectively engaged with the lead screws in the lead screw transmission members (551), and a separating block (554) fixedly connected to the lead screw nuts (553).

6. The automatic pick - and - place device for hot spraying of cookware according to claim 4, characterized in that, In the platen (52), long waist holes (02) are provided corresponding to the lower sides of each separating block (554).

7. The automatic pick - and - place device for hot spraying of cookware according to claim 5, wherein, Conical gears are installed at one ends of the lead screws of the two sets of lead screw transmission members (551) that are close to each other, and the driving motor (552) is installed with a matching conical gear that meshes with the conical gears on the two lead screws simultaneously.

8. The automatic pick - and - place device for thermal spraying of cookware according to claim 5, characterized in that, The separating block (554) is an overall triangular block. A convex block that is slidably matched with the long waist hole (02) is fixedly connected to the lower part of the triangular block. A plurality of rotatable rollers (04) whose circumferences are parallel to the upper side and flush with the lower side of the triangular block are fixedly provided on one side of the triangular block facing the channel hole (03). An opening member (05) is further provided on the side with the smallest included angle of the triangular block.

9. The automatic pick-and-place device for thermal spraying of cookware according to claim 1, wherein The material taking assembly (60) is located upstream of the material discharging assembly (50) in the assembly line. Its main structure includes a main body mounting frame (62) that abuts against the machine body (10), a slide rail (63) that abuts against and is vertically fixed in the main body mounting frame (62), a slide seat (64) that is slidably matched with the slide rail, a rotating shaft mounting seat (65) that is fixed on the slide seat (64), two rotating shafts (66) that are respectively rotatably connected to the rotating shaft mounting seat at both ends of the rotating shaft mounting seat (65), two lifting rod members (67) arranged at the assembled ends of the two rotating shafts (66), a lowering control member (68) arranged below the rotating shaft mounting seat (65), and a lifting driving cylinder (69) connected to the slide seat (64).

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