Digital intelligent production line robot integration system for household appliance glass product forming

Abstract

A digital intelligent production line robot integration system for household appliance glass product forming comprises a PLC control cabinet arranged on one side of a rack; the conveying device is movably arranged on the rack and used for moving and switching positions of the workpieces; the automatic station device is connected with the PLC control cabinet and located below the conveying device, and the automatic station device comprises a fixed-length pipe cutting device, a neck forming device, a spout forming device, a kettle neck protruding strip forming device and a kettle body side face shape pressing device. The conveying device clamps the separated workpieces to the neck forming device, and the neck forming device comprises a neck pressing crank arm wheel, an active rotating inner clamping arm mechanism and a forming shaft die. Fixed-length cutting, neck forming, spout forming, kettle neck ring protruding strip pressing, kettle body side face pressing, post-heat treatment and the like are integrated, the manufacturing cost is greatly reduced, energy consumption is greatly reduced, and the automation degree is high.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of digital production line robot integrated system of household appliance type glass product forming. BACKGROUND

[0002] According to market research and patent search, it is found that the existing glass tube forming equipment, such as Chinese patent, publication number: CN209113729U discloses a heat-resistant kettle glass kettle forming and blowing equipment, comprising a circular workbench, a plurality of material tables are fixedly connected on the circular workbench, the material tables are uniformly distributed around the center of the circular workbench, a glass tube clamp is arranged in the material table, a mold is installed above the material table, two heating devices are arranged outside the circular workbench, and the heating devices are distributed along the movement track of the glass tube clamp. Compared with the prior art, the heat-resistant kettle glass kettle forming and blowing equipment shortens the heating time by automatically feeding at a uniform speed through the circular workbench, clamping the glass tube raw material through the glass tube clamp, and heating the glass tube raw material in sections through the two heating devices. After heating, the glass tube raw material is sent into the mold for pressing through the self-rotating bevel gear and the overturning gear. Through mechanized operation, labor cost is saved, and product quality is improved.

[0003] For example: Chinese patent, publication number CN110950524A discloses a glass kettle forming device and forming process, which comprises a workbench, a positioning device and a top pressure device. The glass kettle forming process comprises steps of embryo positioning and heating angle adjustment, local heating, preliminary top pressure, force top pressure and cutting forming. Through the improvement of the traditional high borosilicate glass kettle manufacturing process, the glass kettle is more innovative, practical and beautiful. Compared with the fusion technology, the present application can improve the smoothness of the connection between the spout and the body, make the spout and the body integrated, improve the aesthetic degree, and make the pouring of the glass kettle more smooth. The manufacturing process is relatively simple, and the size and appearance individualization requirements of the spout part are easy to control.

[0004] However, the processing of the glass kettle body of such small household appliances (electric kettle, food processor, ice maker, soy milk maker, etc.) is carried out one by one, such as the spout position for equipment mechanized production. Different positions require different equipment, so the factory needs to purchase various equipment to form a production line, and the turnover between equipment, energy consumption and labor cost are relatively high, and the efficiency is low. Therefore, we have developed a digital production line robot integrated system for household appliance type glass product forming. SUMMARY

[0005] The technical problems to be solved by the present application are to provide a digital intelligent production line robot integrated system for forming household appliance glass products, which is an automatic equipment for processing glass pipe into a glass kettle main body, integrates fixed-length cutting, neck forming, spout forming, kettle neck ring convex strip, kettle body side surface pressing and post heat treatment, greatly reduces manufacturing cost, greatly saves energy consumption, and has high automation degree.

[0006] To achieve the above-mentioned purpose, the present application provides a digital intelligent production line robot integrated system for forming household appliance glass products, characterized in that it comprises: a PLC control cabinet arranged on one side of a rack; a conveying device movably arranged on the rack and used for moving and converting positions of workpieces; an automatic station device connected with the PLC control cabinet, located below the conveying device and arranged in the rack, and comprising a fixed-length pipe cutting device, a neck forming device, a spout forming device, a kettle neck convex strip forming device and a kettle body side surface pressing device; the workpiece is separated at a cutting position by rotating and cutting the workpiece to a set distance by a servo motor feeding cutter through the fixed-length pipe cutting device, and then heating the cutting position by flame, so as to separate the workpiece at the cutting position by thermal expansion and contraction; the conveying device clamps the separated workpiece to the pipe mouth shaping device, the neck forming device comprises a neck pressing curved arm wheel, a driving rotating inner clamping arm mechanism and a forming shaft die, the driving rotating inner clamping arm mechanism receives the workpiece feeding into the forming shaft die, and the workpiece is pressed between the neck pressing curved arm wheel and the forming shaft die to form a kettle neck; a flame ring is arranged on one side of the neck forming device to heat and shape the one end of the workpiece; the spout forming device is arranged adjacent to the neck forming device, and comprises a spout forming wheel and an up-and-down stroke guide rail and a driving cylinder for driving the spout forming wheel; the kettle neck convex strip forming device comprises a pressing die wheel and a groove wheel which is reversely rotated at the same speed and cooperates with the pressing die wheel; the kettle body side surface pressing device comprises a plurality of lateral pressing dies and a slide rail for moving the lateral pressing dies to the center, and the workpiece is fed by the plurality of lateral pressing dies to form a plurality of recessed inner grooves on the side surface.

[0007] In one or more embodiments of the present application, it further comprises a heat treatment device connected to the end of the rack and arranged adjacent to the kettle body side surface pressing device.

[0008] In one or more embodiments of the present application, the number of kettle body side surface pressing devices is multiple, and they are arranged in a matrix.

[0009] In one or more embodiments of the present application, the number of neck forming devices is multiple, and they are arranged at intervals on the rack.

[0010] In one or more embodiments of the present application, the number of kettle neck rib forming devices is multiple and is arranged on the rack.

[0011] In one or more embodiments of the present application, the automatic station device includes multiple flame sprayers, which are activated to heat before processing at the processing position of the workpiece to facilitate shaping.

[0012] In one or more embodiments of the present application, the active rotating inner clamping arm includes a rotating disc, a guide rod arranged in the rotating disc slot, a sliding block movably arranged on the guide rod, and the sliding block is connected to the inner clamping arm. The synchronous outward relative movement of the sliding block causes the inner clamping arm to move away from each other and hold the inner cavity wall of the workpiece to be tensioned.

[0013] In one or more embodiments of the present application, the side of the mold wheel is provided with a plurality of spaced forming grooves, which roll the surface of the workpiece, so that the workpiece material is extruded into the space of the forming groove to form a partial annular rib.

[0014] In one or more embodiments of the present application, the neck forming device, the kettle spout forming device, the kettle neck rib forming device, and the kettle body side forming device are multiple and symmetrically arranged on the support frame.

[0015] Compared with the background art, the present application has the following effects: 1. The glass tube is a workpiece for kettle forming, which is processed by the length cutting device, the neck forming device, the kettle spout forming device, the kettle neck rib forming device, and the kettle body side forming device, and the conveying device. PLC control enables length cutting, neck forming, kettle spout forming, kettle neck rib forming, and kettle body side forming to work continuously in multiple stations to prevent glass tube processing from stopping, complete in one machine, reduce glass tube turnover loss, and greatly improve glass tube kettle production efficiency.

[0016] 2. The active rotating inner clamping arm uses the inner tensioning method during glass tube kettle forming, which does not hinder the processing position of the glass tube by each device, thereby improving the flexibility of the device arrangement and the effect of pushing the glass tube to the appropriate position.

[0017] 3. The glass tube is a workpiece for kettle forming, which is softened by the flame sprayer before each process, thereby reducing the extrusion pressure and pressure time area of the forming mold, reducing the deformation risk of each position of the kettle, and obtaining more accurate shape and size, and effectively eliminating the sharp edge of the glass port.

[0018] 4. When the conveying device operates under PLC control of the lead screw, slider, gripper, and other drive mechanisms, it accurately grasps the workpiece and quickly transfers it between various workstations. This invention is an automated equipment for processing glass tubes into glass kettle bodies, integrating processes such as length setting, neck forming, spout forming, neck ring protrusion, side forming of the kettle body, and post-heat treatment into one unit, greatly reducing manufacturing costs, significantly saving energy, and achieving a high degree of automation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a digital intelligent production line robot integration system for molding household appliance glass products in one embodiment of the present invention; Figure 2 This is a schematic diagram of the intelligent production line robot integration system for molding household glass products according to one embodiment of the present invention, viewed from another perspective. Figure 3 This is a partial structural schematic diagram of an automated workstation device in a digital intelligent production line robot integration system for molding household appliance glass products, according to one embodiment of the present invention. Figure 4 This is a partial structural schematic diagram of the automatic workstation device in the intelligent production line robot integration system for molding glass products for home appliances, from another perspective, according to one embodiment of the present invention. Figure 5 for Figure 3 Enlarged view of point A in the middle; Figure 6 for Figure 3 Enlarged view at point B in the middle; Figure 7 for Figure 3 Enlarged view at point C; Figure 8 for Figure 3 Enlarged view at point D; Figure 9 for Figure 4 Enlarged view of point E in the middle. Detailed Implementation

[0020] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0021] In the following description, the term "connection" should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral connection; it can also refer to a mechanical connection; it can refer to a direct connection or a connection through an intermediate medium; or it can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0022] In the present application, unless otherwise specified and limited, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature is "on", "under" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than the height of the second feature. The first feature is "on", "under" and "below" the second feature includes that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is lower than the height of the second feature.

[0023] PLC is the full name of Programmable Logic Controller, which is a programmable logic controller for storing programs in its internal storage, performing logic operations, sequential control, neck forming, spout forming, neck ring convex strip, side surface pressing of the body, post-treatment, conveying and other station instructions, and controlling various types of machinery or devices in the process of making pots through digital or analog input / output. PLC has the characteristics of simple structure, superior performance, strong adaptability, etc., and is widely used in industrial control field.

[0024] Referring to Figures 1-9 The preferred embodiment provided by the present application is a digital production line robot integrated system for forming household appliance glass products, which comprises a PLC control cabinet 1, a rack 2, a conveying device 3, an automatic station device 4 and a heat treatment device 5. The PLC control cabinet 1 is arranged on one side of the rack 2. The conveying device 3 is movably arranged on the rack 2 and is used for moving and converting the processing position of the workpiece. The automatic station device 4 is connected with the PLC control cabinet 1 and is located below the conveying device 3. The automatic station device 4 comprises a fixed-length pipe cutting device 41, a neck forming device 42, a spout forming device 43, a neck ring convex strip forming device 44 and a body side surface pressing device 45. The workpiece is fed to a cutter 47 by a servo motor 46 through the fixed-length pipe cutting device 41 to a set distance to rotate the cutting port, and then the cutting position is heated by flame. The workpiece is separated from the stress at the cutting port position by using thermal expansion and contraction. The conveying device 3 clamps the separated workpiece to the neck forming device 42. The neck forming device 42 comprises a neck pressing curved arm wheel 421, a driving rotary inner clamping arm mechanism 422 and a forming shaft die 423. The driving rotary inner clamping arm 422 receives the workpiece to be fed into the forming shaft die 423, and the workpiece is pressed between the neck pressing curved arm wheel 421 and the forming shaft die 423 to form a neck. A flame ring 47 is arranged on one side of the neck forming device to heat and straighten the pipe port of the workpiece, so as to eliminate the sharp edge of the pipe port of the workpiece. The spout forming device 43 is arranged adjacent to the neck forming device 42, and the spout forming device 43 comprises a spout forming wheel 431 and an up-and-down stroke guide rail 432 and a driving cylinder 433 for driving the spout forming wheel 431; the driving cylinder 433 can drive the spout forming wheel 431 to move up and down, and when the spout forming wheel 431 is moved downward to hold the workpiece to form a spout shape, the spout forming wheel 431 is moved upward to complete a work cycle of pressing the spout forming. Of course, in different embodiments, the spout forming wheel 431 can also be driven upward and downward by a motor driving a screw rod, and can also be driven by an oil cylinder or a gear driving mode, and those skilled in the art should understand and be able to realize various driving modes, which will not be enumerated and described here.

[0025] The spout forming device 43 is arranged adjacent to the neck forming device 42, and the spout forming device 43 comprises a spout forming wheel 431 and an up-and-down stroke guide rail 432 and a driving cylinder 433 for driving the spout forming wheel 431; the driving cylinder 433 can drive the spout forming wheel 431 to move up and down, and when the spout forming wheel 431 is moved downward to hold the workpiece to form a spout shape, the spout forming wheel 431 is moved upward to complete a work cycle of pressing the spout forming. Of course, in different embodiments, the spout forming wheel 431 can also be driven upward and downward by a motor driving a screw rod, and can also be driven by an oil cylinder or a gear driving mode, and those skilled in the art should understand and be able to realize various driving modes, which will not be enumerated and described here. The spout forming device 43 is arranged adjacent to the neck forming device 42, and the spout forming device 43 comprises a spout forming wheel 431 and an up-and-down stroke guide rail 432 and a driving cylinder 433 for driving the spout forming wheel 431; the driving cylinder 433 can drive the spout forming wheel 431 to move up and down, and when the spout forming wheel 431 is moved downward to hold the workpiece to form a spout shape, the spout forming wheel 431 is moved upward to complete a work cycle of pressing the spout forming. Of course, in different embodiments, the spout forming wheel 431 can also be driven upward and downward by a motor driving a screw rod, and can also be driven by an oil cylinder or a gear driving mode, and those skilled in the art should understand and be able to realize various driving modes, which will not be enumerated and described here.

[0026] It also comprises a heat treatment device 5 connected to the end of the rack 2 and arranged adjacent to the side of the kettle body 45. After the workpiece is pressed in the side of the kettle body 45, it is heated in the heat treatment device 5, and then output to the next process.

[0027] In order to improve the production efficiency by several times, the number of the kettle body side pressing device 45 can be multiple, which are arranged in a matrix. The number of the neck forming device 42 can also be multiple, which are arranged on the support frame 48. The number of the spout forming device 43 can also be multiple, which are arranged on the support frame 48. When the space permits, the number of the neck forming device 42, the spout forming device 43, the kettle neck rib forming device 44 and the kettle body side pressing device 45 can all be multiple, which are symmetrically arranged on the support frame 48.

[0028] The automatic station device 4 comprises a plurality of flame sprayers 49, which are used to heat and shape the workpiece before processing at the processing position of the long cutting pipe device 41, the neck forming device 42, the spout forming device 43, the kettle neck rib forming device 44 and the kettle body side pressing device 45.

[0029] The active rotating inner clamping arm mechanism 422 comprises a rotating disc 4221, a guide rod 4222 arranged in a groove of the rotating disc 4221, a sliding block 4223 movably arranged on the guide rod 4222, and an inner clamping arm 4224 connected to the sliding block 4223. The sliding block 4223 is synchronously moved outward and relatively opened to make the inner clamping arms 4224 relatively far away from each other and each abutting against the inner cavity wall of the workpiece to be tensioned. The active rotating inner clamping arm mechanism is not only used for inner clamping and feeding of the workpiece in the neck forming device 42. The active rotating inner clamping arm mechanism can also be applied in the spout forming device 43 and the neck rib forming device 44 with the same or similar structure.

[0030] The side surface of the die wheel 442 is provided with a plurality of spaced forming grooves 4421. The forming grooves 4421 roll press the surface of the workpiece, so that the workpiece material is extruded into the space of the forming grooves to form a part annular rib.

[0031] In combination with the above and all the drawings, the working process is further briefly described as follows: Under the control of the PLC, the glass tube is first cut in the fixed-length cutting device 41 to form a glass tube with a length of, for example, 280 mm. The cutting tool 47 is fed to the set distance by the servo motor 46 to rotate the cutting opening, and the cutting position is heated by the flame to separate the workpiece from the cutting opening by using thermal expansion and cold contraction. Then, the clamping hand 31 of the conveying device 3 is instructed to move the workpiece between the neck pressing curved arm wheel 421 and the forming shaft die 423 to form a neck. The neck forming device is provided with a flame ring 47 on one side. The flame ring 47 is used to heat and straighten the one end of the workpiece to eliminate the sharp edge of the one end of the workpiece. The driving cylinder 433 can drive the spout forming wheel 431 to move up and down. When the spout forming wheel 431 moves downward to press and hold the workpiece to form a spout shape, the die wheel 441 and the rib forming groove wheel 442 which is synchronously and reversely rotated at the same speed work to form a part circular arc rib. Then, a plurality of lateral dies 451 are fed to the center to extrude the workpiece to form a plurality of concave grooves on the side surface. Finally, the workpiece is sent to the heat treatment device 5 for overall tempering to complete one working cycle and is sent to the next installation process.

[0032] Although the present application has been described in terms of the preferred embodiment, it is to be understood that modifications, substitutions, and equivalents thereof will become apparent to those skilled in the art. It is intended that the claims shall cover all such modifications, substitutions, and equivalents. Based on the above description of structure and principles, those skilled in the art should understand that the present application is not limited to the specific embodiments described above, and improvements and substitutions of the technology known in the art based on the present application are all within the protection scope of the present application, which is defined by the claims.

Claims

1. A digital production line robot integrated system for forming a glass product of a home appliance, characterized by, It comprises: PLC control cabinet, which is arranged on one side of the rack; Conveying device, which is movably arranged on the rack, is used for moving and converting positions of workpieces; Automatic station device, which is connected with the PLC control cabinet and located below the conveying device, comprises fixed-length pipe cutting device, neck forming device, spout forming device, kettle neck rib forming device and kettle body side pressing device; The workpiece is fed to a set distance by a servo motor through a cutting tool of the fixed-length pipe cutting device to rotate a cutting opening, and then the cutting position is heated by flame, so that the workpiece is separated at the cutting opening position by using thermal expansion and cold contraction; The conveying device clamps the separated workpiece to the neck forming device, the neck forming device comprises a neck pressing curved arm wheel, a driving rotating inner clamping arm mechanism and a forming shaft die, the driving rotating inner clamping arm receives the workpiece and feeds it into the forming shaft die, and the workpiece is pressed between the neck pressing curved arm wheel and the forming shaft die to form a kettle neck; One side of the neck forming device is provided with a flame spraying ring for heating and shaping the end of the workpiece. The spout forming device is arranged adjacent to the neck forming device, and the spout forming device comprises a spout forming wheel and an up-and-down stroke guide rail and a driving cylinder for driving the spout forming wheel. The kettle neck rib forming device comprises a pressing die wheel and a rib forming groove wheel which is reversely rotated at the same speed and cooperates with the pressing die wheel. The kettle body side pressing device comprises a plurality of lateral pressing dies and a slide rail for moving the lateral pressing dies towards the center, and the workpiece is fed by the plurality of lateral pressing dies to form a plurality of concave inner grooves on the side.

2. The digitalized production line robot integrated system for forming the home appliance glass product according to claim 1, characterized in that: It also comprises a heat treatment device connected to the end of the rack and arranged adjacent to the kettle body side pressing device.

3. The digitalized production line robot integrated system for forming the home appliance glass product of claim 2, characterized in that: The number of kettle body side pressing devices is multiple, which are arranged in a matrix.

4. The digitalized production line robot integrated system for forming a glass product of an electric home appliance according to claim 3, characterized in that, The number of neck forming devices is multiple, which are arranged at intervals on the rack.

5. The digitalized production line robot integrated system for forming the home appliance glass product of claim 4, wherein: The number of kettle neck rib forming devices is multiple, which are arranged at intervals on the rack.

6. The digitalized production line robot integrated system for forming the home appliance glass product of claim 5, wherein: The automatic station device comprises a plurality of flame sprayers, which are used to heat and shape the workpiece before processing.

7. The digitally connected, robotically integrated system for forming glass articles for consumer products of claim 6, wherein: The driving rotating inner clamping arm mechanism comprises a rotating disc, a guide rod arranged in the rotating disc slot, a sliding block movably arranged on the guide rod, and an inner clamping arm connected with the sliding block, wherein the sliding block moves outward and synchronously relative to the inner clamping arm to make the inner clamping arm move away from each other and contact the inner cavity wall of the workpiece to tighten.

8. The digitalized production line robot integrated system for forming the glass product of the household appliance according to claim 7, characterized in that: The side of the pressing die wheel is provided with a plurality of interval arranged forming grooves, which roll press the surface of the workpiece, so that the workpiece material is extruded into the space of the forming groove to form a part annular rib.

9. The digitalized production line robot integrated system for forming a glass product of an electric home appliance according to claim 8, characterized in that: The number of neck forming devices, spout forming devices, kettle neck rib forming devices and kettle body side pressing devices is multiple, which are symmetrically arranged on the support frame.

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