CN116252118A - Automatic batching method for screw gaskets - Google Patents

Abstract

The invention discloses an automatic material mixing method for screw gaskets, and relates to the field of automatic equipment. The technical scheme is characterized by comprising a screw gasket batching system, wherein the screw gasket batching system comprises a batching box, a control system, and a screw batching mechanism, a first code scanner, a gasket batching mechanism and a second code scanner which are respectively connected with the control system; the method comprises the following steps of respectively customizing the batching box, the screw batching and the gasket batching. According to the invention, the batching boxes are respectively customized according to different assembling parts, so that one-to-one association of the assembling parts, the screw formula, the gasket formula, the identification code, the batching boxes and the batching plate is realized, the problem of batching mistakes can be effectively avoided, the automatic batching of the screw gaskets can be realized, the production efficiency is improved, the risk of batching mistakes is reduced, and the batching quality is improved.

Description

Automatic batching method for screw gaskets

Technical Field

The invention relates to the field of automatic equipment, in particular to an automatic batching method for screw gaskets.

Background

In the mechanical manufacturing process, for example, the assembly process of the equipment, each assembly part needs to use corresponding screws and gaskets as required. To avoid errors, each assembly part is provided with a special cartridge. Meanwhile, in order to facilitate the operator to take and confirm whether the gaskets are matched, the screws are required to be placed upside down, namely the heads of the screws face downwards, so that whether the gaskets are arranged on the screws can be directly observed.

At present, placing the screw in the magazine and establishing the gasket cover on the screw, all be manual operation, production efficiency is lower like this. Meanwhile, under the condition that the number of different assembly parts is large, the situation of mismatching is easy to occur.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide an automatic batching method for screw gaskets, which realizes automatic batching of screw gaskets, thus being beneficial to improving the production efficiency, reducing the risk of batching mistakes and improving the batching quality.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the automatic batching method for the screw gasket is based on a screw gasket batching system, and the screw gasket batching system comprises a batching box, a control system, and a screw batching mechanism, a first code scanner, a gasket batching mechanism and a second code scanner which are respectively connected with the control system;

the method comprises the following steps:

customizing a batching box, forming a screw formula from the specification and the number of screws required by the assembly part, forming a gasket formula from the specification and the number of gaskets matched with the screws, processing a corresponding batching plate according to the screw formula, and placing the batching plate in the batching box; inputting the screw formula and the gasket formula into a control system, associating the screw formula and the gasket formula to an identification code, and setting the identification code on a corresponding ingredient box;

The screw batching is carried out, the batching box is conveyed to a screw batching mechanism, and the first code scanner scans the identification code on the batching box and transmits the identification code to the control system; the control system acquires a screw formula corresponding to the identification code according to the identification code, and then controls the screw batching mechanism to sequentially place screws in batching plates in the batching box according to the screw formula;

gasket batching, conveying a batching box with completed screw batching to a gasket batching mechanism, scanning identification codes on the batching box by a second code scanner, and transmitting the identification codes to a control system; the control system acquires a gasket formula corresponding to the gasket formula according to the identification code, and then controls the gasket batching mechanism to sleeve the gasket on the corresponding screw in the batching plate in sequence according to the gasket formula.

Further, the control system comprises a PLC controller and a man-machine interaction device;

in the process of customizing the batching box, inputting a screw formula and a gasket formula into a man-machine interaction device, and then associating the screw formula and the gasket formula to an identification code;

in the process of mixing materials by the screws, a first code scanner scans identification codes on a mixing box and transmits the identification codes to a PLC; the PLC controller is interacted with the man-machine interaction device to obtain a screw formula corresponding to the man-machine interaction device, and then the PLC controller controls the screw batching mechanism to sequentially place screws in batching plates in the batching box according to the screw formula;

In the working procedure of gasket batching, the second code scanner scans the identification code on the batching box and transmits the identification code to the PLC; the PLC controller is interacted with the man-machine interaction device to obtain a gasket formula corresponding to the man-machine interaction device, and then the PLC controller controls the gasket batching mechanism to sequentially sleeve the gaskets on corresponding screws in the batching plate according to the gasket formula.

Further, a plurality of screw locating holes corresponding to the screw formula are formed in the batching plate, and a magnetic plate located below the batching plate is further arranged in the batching box.

Further, a first partition plate and a second partition plate are sequentially arranged below the magnetic sheet, the first partition plate is a hard plate, and the second partition plate is a flexible plate.

Further, the screw batching mechanism includes:

the screw batching bench is provided with a first bedplate;

a first ingredient box transfer assembly carried on the first platen;

the screw blowing machines are used for storing and blowing screws, and the screw blowing machines are provided with guide hoses;

the screw receiving assembly is borne on the screw batching bench and comprises a plurality of screw tracks which are arranged in parallel; the screw track is obliquely arranged, a positioning cylinder communicated with the material guiding hose is arranged at the upper end of the screw track, and a positioning baffle is arranged at the lower end of the screw track; the screw blowing machine blows screws into the guide hose, the screws pass through the positioning cylinder after being discharged from the guide hose, fall on the screw track in an upward posture of the screw heads, and then move downwards along the screw track under the action of dead weight to be in contact with the positioning baffle plate;

The screw overturning assembly is carried on the first platen and used for clamping screws on the screw track and adjusting the postures of the screws to be in a vertical state with downward screw heads; the method comprises the steps of,

the screw placing assembly is used for clamping screws on the screw overturning assembly and placing the screws in a batching plate in the batching box.

Further, the screw placing assembly comprises a first mechanical arm, a screw clamping assembly and a first visual identification assembly, wherein the screw clamping assembly and the first visual identification assembly are arranged at the tail end of the first mechanical arm.

Further, the screw gasket batching system further comprises a plurality of proximity sensors which are in one-to-one correspondence with the screw tracks; the proximity sensor is arranged above the screw track, and a buffer area is formed between the proximity sensor and the positioning assembly on the screw track; the proximity sensor is connected with a screw blowing machine, and the screw blowing machine executes blowing action according to the signal of the proximity sensor. .

Further, the screw batching mechanism further comprises a blowing machine rack for bearing screw blowing machines, the blowing machine rack is of a single-layer structure or a multi-layer structure, and the number of the blowing machine racks is one or more.

Further, the gasket dosing mechanism includes:

the gasket batching bench is provided with a second bedplate;

a second ingredient box transfer assembly carried on the second platen;

a gasket feed assembly carried on the second platen; the method comprises the steps of,

the gasket placing assembly is used for clamping gaskets on the gasket feeding assembly and sleeving the gaskets on screws in the batching box.

Further, the gasket placing assembly comprises a second mechanical arm, a gasket clamping assembly and a second visual identification assembly, wherein the gasket clamping assembly and the second visual identification assembly are arranged at the tail end of the second mechanical arm.

In summary, the invention has the following beneficial effects:

1. the material mixing boxes are respectively customized according to different assembly parts, so that one-to-one association of the assembly parts, the screw formula, the gasket formula, the identification code, the material mixing boxes and the material mixing plate is realized, the problem of material mixing errors can be effectively avoided, and automatic material mixing of the screw gasket is conveniently realized;

2. after the customization of the batching box is finished, an operator only needs to place an empty batching box and collect the batching box with finished batching, and the batching work of the screws and the gaskets is automatically finished by a screw gasket batching system, so that the production efficiency can be improved, and the batching error risk can be reduced;

3. The screw head is downwards placed in the screw positioning hole, and the magnetic force attraction of the magnetic plate to the screw is matched, so that the stability of the screw can be effectively improved, the screw is prevented from toppling during placement or turnover of the material mixing box, the screw is prevented from being displaced, and the running stability of the system can be improved;

4. adopt the screw to blow the material machine to carry out the storage and the feed of screw, blow through guide hose intercommunication between material machine and the positioning tube, so the screw blows the material machine and can arrange independent of screw batching rack to be convenient for optimize screw batching mechanism's volume, can arrange a lot of screw and blow the material machine and store the screw of different specifications respectively moreover, thereby improve the application scope of system.

Drawings

FIG. 1 is a schematic diagram of a screw gasket dosing system according to an embodiment;

FIG. 2 is a schematic diagram of a first embodiment of a dispensing cartridge;

FIG. 3 is a schematic diagram of a second embodiment of a dispensing cartridge;

FIG. 4 is a schematic diagram of a screw batching mechanism according to the first embodiment;

FIG. 5 is a schematic view of a first cartridge transfer assembly according to an embodiment;

FIG. 6 is a schematic diagram of a jacking assembly and a stop assembly according to an embodiment;

FIG. 7 is a schematic diagram of a screw receiving assembly and a screw flipping assembly according to an embodiment;

FIG. 8 is a schematic diagram of a screw receiving assembly according to an embodiment;

FIG. 9 is a schematic diagram of a positioning assembly according to an embodiment;

FIG. 10 is a schematic view of a positioning cylinder in an embodiment;

FIG. 11 is a schematic diagram of a screw batching mechanism according to the second embodiment;

FIG. 12 is a schematic diagram of a screw dosing mechanism according to a third embodiment;

FIG. 13 is a schematic view of a waste recycling member according to an embodiment;

FIG. 14 is a schematic diagram of a second embodiment of a waste recycling assembly;

fig. 15 is a schematic view of a gasket feed assembly according to an embodiment.

In the figure: 1. a feeding mechanism; 2. a screw batching mechanism; 21. a screw batching stand; 211. a first platen; 212. a housing; 213. a material taking port; 221. a ingredient box transfer assembly; 222. a fixed baffle; 223. a jacking assembly; 224. a stop assembly; 23. a screw receiving assembly; 231. a first support frame; 232. a guide plate; 233. fixing the support plate; 234. a limit pressing plate; 235. a positioning assembly; 2351. positioning a baffle; 2352. an auxiliary fixing plate; 2353. a set screw; 2354. a stop plate; 236. a proximity sensor; 237. a second support frame; 238. an angle plate; 24. a positioning cylinder; 241. a through hole; 242. a relief groove; 243. a positioning tube; 25. a screw overturning assembly; 251. a linear drive assembly; 252. a rotary cylinder; 253. a straight line cylinder; 254. a clamping jaw cylinder; 26. a screw placing assembly; 261. a first mechanical arm; 262. a screw clamping assembly; 263. a first visual recognition component; 27. a visual detection component; 281. a discarding channel; 282. a branch channel; 283. a pooling channel; 2831. a discharge port; 284. A recovery box; 285. a positioning frame; 291. a screw blowing machine; 292. a material guiding hose; 293. a blowing machine rack; 3. gasket batching mechanism; 31. a gasket feed assembly; 4. a blanking mechanism; 5. a batching box; 51. a batching plate; 511. a screw positioning hole; 512. identifying a positioning hole; 52. a magnetic plate; 53. a first separator; 54. a second separator; 55. identifying the code; 6. a first code scanner.

Description of the embodiments

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

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Examples

Referring to fig. 1 to 14, a screw gasket automatic batching method is provided, and based on a screw gasket batching system, the screw gasket batching system comprises a batching box 5, a control system, and a screw batching mechanism 2, a first code scanner 6, a gasket batching mechanism 3 and a second code scanner which are respectively connected with the control system; the screw gasket batching system also comprises a feeding mechanism 1 and a discharging mechanism 4; specifically, in this embodiment, the first code scanner 6 is mounted on the screw dispensing mechanism 2, and the second code scanner is mounted on the gasket dispensing mechanism 3. The method comprises the following steps of respectively customizing the batching box, the screw batching and the gasket batching.

Referring to fig. 1 to 3, the process of customizing the ingredient box specifically includes forming a screw formula from the specification and number of screws required for assembling the parts, forming a gasket formula from the specification and number of gaskets to be matched with the screws, processing a corresponding ingredient plate 51 according to the screw formula, and placing the ingredient plate 51 in the ingredient box 5; entering the screw formulation and the shim formulation into the control system, then associating the screw formulation and the shim formulation to an identification code in the control system, and disposing the identification code 55 on the corresponding ingredient box; the control system in the embodiment comprises a PLC controller and a man-machine interaction device; inputting the screw formula and the gasket formula into a man-machine interaction device, and then associating the screw formula and the gasket formula to an identification code in the man-machine interaction device; specifically, a new identification code can be generated by using code generating software in the man-machine interaction device, then the screw formula and the gasket formula are associated with the new identification code, and the identification code is set on the ingredient box 5 in a printing, pasting, printing or laser mode, and the like, preferably the outer side wall of the ingredient box 5; of course, it is also possible to associate the screw and gasket formulations to an identification code already provided on the ingredient box 5, without limitation; that is, the association of the screw formula and the gasket formula with the identification code can be changed, thereby facilitating the actual operation; the identification code can be a bar code or a two-dimensional code.

Therefore, in the embodiment, the ingredient box is customized according to different assembly components, so that one-to-one association of the assembly components, the screw formula, the gasket formula, the identification code, the ingredient box and the ingredient plate is realized, the problem of ingredient error can be effectively avoided, and automatic ingredient of the screw gasket is conveniently realized.

Referring to fig. 2 and 3, specifically, in this embodiment, a plurality of screw positioning holes 511 corresponding to the screw formulation are formed in the batching plate 51, and a magnetic plate 52 located below the batching plate 51 is further disposed in the batching box 5; for example, if the screw formulation is 10M 5 screws and 20M 6 screws, 10 screw positioning holes 511 matching with the screw heads of the M5 screws and 20 screw positioning holes 511 matching with the screw heads of the M6 screws are formed on the batching plate 51; the screw is vertically placed in the screw positioning hole 511 in a downward screw head posture, so that stability of the screw is improved, and a gasket is conveniently sleeved on the screw.

Referring to fig. 2 and 3, in addition, the screw head is placed downward in the screw positioning hole 511, and the magnetic force of the magnetic plate 52 is matched to attract the screw, so that the stability of the screw can be effectively improved, the screw is prevented from toppling during placement or turnover of the ingredient box, and the screw is prevented from displacement, so that the stability of system operation can be improved; in this embodiment, the screw positioning hole 511 penetrates through the batching plate 51, so that the screw is directly contacted with the magnetic plate 52, and the stability of the screw can be improved; the adoption of one magnetic plate 52 can reduce the number of parts and is convenient to assemble; preferably, a partition plate is arranged below the magnetic plate 52, and the partition plate is used for increasing the distance between the magnetic plate 52 and the bottom wall of the batching box 5, so that the magnetic attraction force of the magnetic plate 52 to the lower part of the batching box is reduced; after the batching is finished, in order to facilitate carrying the batching box 5, the batching box 5 can be stacked, and in order to avoid the influence of the magnetic attraction of the magnetic plate 52 in the upper batching box 5 on the screw in the lower batching box 5, the magnetic attraction of the magnetic plate 52 on the lower part of the batching box needs to be reduced; in this embodiment, the partition plate is arranged below the magnetic plate 52 to increase the distance between the magnetic plate 52 and the bottom wall of the ingredient box 5, so that the magnetic attraction force of the magnetic plate to the lower part of the magnetic plate can be reduced, and the structure is simple and the production cost is low.

Referring to fig. 2 and 3, in this embodiment, a first separator 53 and a second separator 54 are sequentially disposed below the magnetic plate 52, the first separator 53 is a hard plate, the second separator 54 is a flexible plate, specifically, the first separator 53 is a PP plate (polypropylene plate), and the second separator 54 is a foam plate; the second partition plate 54 is in contact with the inner bottom wall of the ingredient box 5 in the embodiment, and can also play a role of buffering; the foam is easy to deform, and the magnetic plate 52 is softer, so that a hard plate is adopted between the magnetic plate 52 and the second partition plate 54 as the first partition plate 53, and the foam can also play a role of fixing and supporting, thereby being beneficial to ensuring the position accuracy of the screw positioning holes 511; therefore, in this embodiment, the first partition plate 53 and the second partition plate 54 cooperate to not only reduce the magnetic attraction of the magnetic plate 52 to the lower part thereof, but also respectively perform the functions of fixing and supporting and buffering; the thicknesses of the first separator 53 and the second separator 54 may be adjusted as needed, and are not limited herein; of course, in other alternative embodiments, the number of layers and materials of the partition plates can be adjusted according to needs, and the influence of the magnetic attraction force generated during stacking can be avoided by adjusting the height of the ingredient box 5, which is not limited herein.

Referring to fig. 2 and 3, in the present embodiment, adhesive layers are provided between the dispensing plate 51 and the magnetic plate 52, between the magnetic plate 52 and the first partition plate 53, between the first partition plate 53 and the second partition plate 54, and between the second partition plate 54 and the dispensing cartridge 5, respectively; specifically, in the embodiment, the plates are connected through double-sided adhesive tapes, and the plates are also connected with the batching box through double-sided adhesive tapes, so that the plates are fixed in the batching box; the adhesive layer is utilized to realize connection, so that the assembly is convenient, the cost is low, and the disassembly is convenient.

Referring to fig. 2 and 3, in particular, a gasket (not shown in the drawings) for visual recognition positioning is fixedly provided on the dosing plate 51 in the present embodiment; the gasket is a common standard gasket, and is used as an identification point for visual identification and positioning, so that the gasket has the advantage of low cost; specifically, two identifying and positioning holes 512 matched with the gaskets are formed in the batching plate 51, and the magnetic plates 52 are also arranged below the identifying and positioning holes 512, so that the gaskets are contacted with the magnetic plates 52, and the stability of the gaskets can be ensured; of course, in alternative embodiments, the spacer may be secured in other ways, such as being snapped into the dispensing plate 51 or being adhered to the dispensing plate 51, without limitation; specifically, the positions of the plurality of screw positioning holes 511 on the batching plate 51 are associated with the positions of two shims, by which a planar coordinate system on the batching plate 51 can be established, and the position of each screw positioning hole 511 on the planar coordinate system is fixed, thereby facilitating the placement of the screw in the corresponding screw positioning hole 511.

Referring to fig. 1, in this embodiment, a feeding mechanism 1 is used for storing and conveying empty ingredient boxes 5, and a screw ingredient mechanism 2 is connected to the feeding mechanism 1, that is, the feeding mechanism 1 conveys the empty ingredient boxes 5 to the screw ingredient mechanism 2; in this embodiment, the blanking mechanism 4 is configured to receive the ingredient box 5 after the ingredients are completed, and the blanking mechanism 4 is connected to the gasket ingredient mechanism 3, that is, the gasket ingredient mechanism 3 transfers the ingredient box 5 after the ingredients are completed to the blanking mechanism 4.

Referring to fig. 1 to 13, the screw dispensing process specifically includes feeding the dispensing cartridge 5 to the screw dispensing mechanism 2, and the first barcode scanner 6 scans the identification code 55 on the dispensing cartridge 5 and transmits it to the PLC controller; the PLC controller is interacted with the man-machine interaction device to obtain a screw formula corresponding to the man-machine interaction device, and then the PLC controller controls the screw batching mechanism 2 to sequentially place screws into batching plates in the batching box 5 according to the screw formula. If the first code scanner 6 cannot scan the identification code 55 on the dispensing box 5, the identification code is fed back to the PLC controller, and the PLC controller controls the screw dispensing mechanism 2 to directly transfer the empty dispensing box 5 to the discharging mechanism 4.

Referring to fig. 1 to 13, specifically, the screw dispensing mechanism 2 includes a screw dispensing stand 21, and a first platen 211 is provided on the screw dispensing stand 21; a first ingredient box transferring assembly 221 on the first platen 211, the first ingredient box transferring assembly 221 for receiving the ingredient box 5 from the feeding mechanism 1 and transferring the ingredient box 5 to the gasket ingredient mechanism 3 after the screw ingredient is completed; the screw batching mechanism 2 further comprises a plurality of screw blowers 291 and a blower stand 293 for carrying the screw blowers 291; the screw blower 291 is used for storing and blowing screws, and a guide hose 292 is arranged on the screw blower 291; the screw batching bench 21 is provided with a screw receiving assembly 23, and the screw receiving assembly 23 comprises a plurality of screw tracks which are arranged in parallel; the screw track is obliquely arranged, the upper end of the screw track is provided with a positioning cylinder 24 communicated with the guide hose 292, and the lower end of the screw track is provided with a positioning component 235; the screw blowing machine 291 blows screws into the guide hose 292, the screws pass through the positioning cylinder 24 after being discharged from the guide hose 292, fall on the screw rail in an upward posture of the screw heads, and then move downwards along the screw rail under the action of self weight to be in contact with the positioning assembly 235; the first platen 211 is provided with a screw overturning assembly 25, and the screw overturning assembly 25 is used for clamping screws on the screw track and adjusting the posture of the screws to be in a vertical state with downward screw heads; the screw batching bench 21 is provided with a screw placing assembly 26 at the inner top, and the screw placing assembly 26 is used for clamping screws on the screw overturning assembly 25 and placing the screws into the batching box 5.

Referring to fig. 1 to 13, in particular, the first ingredient cartridge transferring assembly 221 in the present embodiment includes two spaced-apart transferring belts; the first platen 211 is further provided with a lift assembly 223 and a stop assembly 224 between the two conveyor belts; after the ingredient box 5 is conveyed from the feeding mechanism 1 to the first ingredient box conveying component 221, the stop component 224 is lifted, the ingredient box 5 is conveyed to be in contact with the stop component 224, then the first ingredient box conveying component 221 stops conveying, and then the jacking component 223 jacks up the ingredient box 5; four fixed baffles 222 are arranged on the first batching box conveying assembly 221, and two fixed baffles 222 are arranged on one side of the fixed baffles 222; the jacking component 223 lifts the ingredient cartridge 5 up into contact with the fixed baffle 222, thereby clamping and fixing the ingredient cartridge 5; the batching box 5 is separated from the conveying belt after being jacked up, and the batching box 5 is clamped and fixed, so that screws can be accurately placed in the screw positioning holes 511.

Referring to fig. 1 to 13, in the present embodiment, the screw blowing machine 291 is used for storing and feeding screws, and the screw blowing machine 291 is communicated with the positioning cylinder 24 through the guide hose 292, so that the screw blowing machine 291 can be arranged independently of the screw batching stand 21, which is convenient for optimizing the volume of the screw batching stand 21; meanwhile, a plurality of screw blowing machines can be arranged to store screws with different specifications respectively, so that the application range of the system is improved; in this embodiment, the screw receiving assembly 23 is disposed on the screw batching stand 21 to receive the screws blown out from the guide hose 292, and the screw receiving assembly 23 includes a plurality of screw tracks arranged in parallel, which is beneficial to reducing the volume of the screw receiving assembly 23; the screw track which is obliquely arranged can adjust the gesture of the screw on one hand, is convenient for subsequent transportation and turnover of the screw, and on the other hand, the movement of the screw is realized by utilizing the dead weight, so that the structure can be simplified, and the screw track is convenient to arrange; by adopting the positioning cylinder 24 to be communicated with the guide hose 292, the positioning cylinder 24 can perform preliminary posture correction on the screw discharged from the guide hose 292, so that the screw can smoothly fall on the screw track.

Referring to fig. 1 to 13, in particular, four blowing machine stages 293 are arranged in the present embodiment, and each blowing machine stage 293 has a three-layer structure; the top end of the blowing machine bench 293 is provided with a hose bracket for arranging the guide hoses 292, so that the orderly arrangement of a plurality of guide hoses 292 can be realized; in this embodiment, four screw receiving components 23 are disposed on the screw batching stand 21, and the four screw receiving components 23 are disposed on two sides of the screw batching stand 21, wherein two screw receiving components 23 disposed at intervals are disposed on one side of the screw batching stand 21, so that more screw receiving components 23 are disposed on the screw batching stand 21; the number of the screw blowing machines 291 and the screw rails in the present embodiment can be adjusted as required, and is not limited herein; the screw blowing machine 291 in this embodiment belongs to the prior art, and is not described here in detail.

Referring to fig. 1 to 13, one screw rail in the present embodiment includes two guide plates 232 arranged side by side, that is, the screw receiving member 23 includes a plurality of guide plates 232 arranged side by side; after the screw falls on the screw track, the screw is embedded between the two guide plates 232, and the screw heads are simultaneously contacted with the top walls of the two guide plates 232; that is, when the screw moves on the screw track, the screw head faces upwards; two guide plates 232 are adopted to form a screw track, so that the structure is simple and the arrangement is convenient; when the screw moves on the screw track, the screw is embedded between the two guide plates 232, and the screw head is contacted with the top wall of the guide plate 232, so that the stability of the movement of the screw is improved; of course, in other alternative embodiments, two adjacent screw tracks may share a guide plate, which is not limited herein; the screw receiving assembly 23 further comprises a first supporting frame 231 and a second supporting frame 237, the second supporting frame 237 is connected with the screw batching bench 21, and an angle plate 238 is arranged between the first supporting frame 231 and the second supporting frame 237; the first supporting frame 231 is provided with a fixed supporting plate 233 connected with the guide plate 232; the first support frame 231 is connected with the second support frame 237 through the angle plate 238, so that the inclination angle of the screw track is conveniently adjusted, and the screw can smoothly move downwards under the action of dead weight; preferably, a limit pressing plate 234 matched with the screw head is arranged above the screw track, the limit pressing plate 234 extends upwards from the lower end of the screw track, and the length of the limit pressing plate 234 is smaller than that of the screw track; a limiting pressing plate 234 is arranged above the lower end part of the screw track, and the limiting pressing plate 234 is arranged in parallel with the guide plate 232, so that the screw can be limited, and the screw is prevented from being separated from the screw track after jumping or from being overturned under the action of inertia; specifically, the limiting pressing plate 234 is provided with a bent portion connected to a side wall of the guide plate 232, so that the limiting pressing plate 234 can be located above the guide plate 232.

Referring to fig. 1 to 13, specifically, the positioning assembly 235 in this embodiment includes a positioning plate 2351 mounted on the first supporting frame 231, the positioning plate 2351 extends between the two guide plates 232, and the positioning plate 2351 is used for positioning a threaded column of a screw; positioning assembly 235 further comprises an auxiliary fixing plate 2352 arranged on positioning baffle 2351, positioning screws 2353 are arranged on auxiliary fixing plate 2352, and positioning screws 2353 are used for positioning screw heads of screws; that is, when the screw moves from the screw track to the lower end, the threaded column of the screw contacts the positioning baffle 2351, and the screw head of the screw contacts the positioning screw 2353, so that stability and consistency of the screw posture are guaranteed, and the screw is clamped conveniently; preferably, two openings are symmetrically arranged at the end of the positioning screw 2353, so that a stop plate 2354 contacted with the screw head is formed at the end of the positioning screw 2353, and the stop plate 2354 is vertically arranged; the stop plate 2354 is in contact with the screw head for positioning, so that a larger clamping space can be provided for the screw head, and the clamping success rate can be improved; specifically, the positioning screw 2353 passes through the auxiliary fixing plate 2352, and two nuts respectively located at two sides of the auxiliary fixing plate 2352 are screwed on the positioning screw 2353, so that the positioning screw 2353 is locked by adopting the two nuts, and meanwhile, the angle of the positioning screw 2353 is conveniently adjusted, so that the stop plate 2354 is in a vertical state; the limiting pressing plate 234, the positioning baffle 2351 and the two guide plates 232 are matched at the lower end of the screw track to form an open screw taking hole, the screw is positioned at the screw taking hole after being contacted with the positioning assembly 235, at the moment, the screw head is in a naked state, and the limiting pressing plate 234 does not shield the screw head, so that the screw is conveniently taken out from the screw track;

Referring to fig. 1 to 13, the screw washer dosing system preferably further includes a plurality of proximity sensors 236 in one-to-one correspondence with the screw tracks; the proximity sensor 236 is disposed above the screw track, and a buffer is formed on the screw track between the proximity sensor 236 and the positioning assembly 235; the proximity sensor 236 is connected to the screw blower 291, and the screw blower 291 performs a blowing operation based on a signal of the proximity sensor 236; that is, the buffer area on the screw track is provided with a plurality of screws in advance, which is beneficial to improving the production efficiency; when the screw at the lower end of the screw track is taken out, the screw in the buffer area moves downwards by one screw position, and at the moment, the proximity sensor 236 cannot identify the screw, then a signal is sent to the screw blowing machine 291, the screw blowing machine 291 performs a blowing action to supplement the screw, and when the proximity sensor 236 identifies the screw again, a signal is sent to the screw blowing machine 291, and the screw blowing machine 291 stops the blowing action; that is, the proximity sensor 236 acts as a switch of the screw blower 291 to allow the buffer to be always filled with material, thereby improving the productivity.

Referring to fig. 1 to 13, specifically, a through hole 241 is formed in the positioning cylinder 24 opposite to the two guide plates 232, a relief groove 242 communicating with the through hole 241 is formed at the bottom end of the sidewall of the positioning cylinder 24, and a side outlet matched with the screw head is formed in the positioning cylinder 24; the screw passes through the through hole 241 and falls on the screw track, and then the screw moves downwards from the side outlet under the action of dead weight, so that the screw is separated from the positioning cylinder 24; the arrangement of the side outlet can limit the screw, limit the moving direction of the screw, and is beneficial to improving the stability of the system; specifically, the screw receiving assembly in this embodiment further includes an auxiliary bracket connected to the plurality of positioning barrels 24 at the same time, where the auxiliary bracket is fixedly disposed relative to the first supporting frame 231, so that the relative position between the positioning barrels 24 and the screw track remains unchanged; in the embodiment, the positioning cylinder 24 is positioned above the guide plate 232, and the positioning cylinder 24 is not contacted with the guide plate 232, so that the screw is prevented from being blocked; preferably, the positioning tube 243 communicated with the guide hose 292 is arranged on the positioning tube 24, and the positioning tube 243 is a hard tube, so that the screw can be conveniently connected with the guide hose 292, and the posture of the screw can be adjusted.

Referring to fig. 1 to 13, specifically, the screw flipping assembly 25 in the present embodiment includes a linear driving assembly 251, a rotary cylinder 252 provided on the linear driving assembly 251, a linear cylinder 253 provided on the rotary cylinder 252, and a jaw cylinder 254 provided on the linear cylinder 253; the plurality of screw tracks are arranged in parallel along the first direction, and the linear driving assembly 251 can drive the rotary cylinder 252 to move along the first direction, so that screws on different screw tracks can be respectively clamped; the linear driving assembly 251 drives the rotary cylinder 252 to move so that the clamping jaw cylinder 254 is opposite to the screw track, the rotary cylinder 252 drives the linear cylinder 253 to rotate so that the clamping jaw cylinder 254 is opposite to the screw, then the linear cylinder 253 drives the clamping jaw cylinder 254 to move to the position of the screw, and then the clamping jaw cylinder 254 clamps the screw head of the screw; the linear cylinder 253 and the rotary cylinder 252 are reset in sequence, at the moment, the screw on the clamping jaw cylinder 254 is in a vertical state, and the screw head faces downwards; next, the screw placing assembly 26 clamps the screws, and then the clamping jaw air cylinders 254 are loosened to realize the connection of the screws; in the embodiment, the screw overturning assembly is adopted to adjust the posture of the screw, so that the beat is optimized, and the production efficiency is improved; specifically, the screw placing assembly 26 in the present embodiment includes a first mechanical arm 261, a screw clamping assembly 262 and a first visual identification assembly 263 disposed at the end of the first mechanical arm 261; the first visual recognition component 263 is arranged at the tail end of the first mechanical arm 261, so that a screw can be accurately clamped and accurately placed in the screw positioning hole 511; specifically, after the screw clamping assembly 262 clamps the screw, the first mechanical arm 261 drives the screw clamping assembly 262 to move above the ingredient box 5, the first visual recognition assembly 263 detects a gasket for visual recognition and positioning in the ingredient plate 51, then the gasket is used as a reference point to calculate coordinates, the first mechanical arm 261 drives the screw clamping assembly 262 to move above the corresponding screw positioning hole 511, and then the screw clamping assembly 262 places the screw in the screw positioning hole 511.

Referring to fig. 1 to 13, the screw dosing mechanism 2 further includes a visual inspection assembly 27 disposed on the first platen 211 and a waste recycling assembly disposed below the first platen 211; the first platen 211 is provided with a plurality of material discarding openings; the waste recycling assembly comprises a recycling channel, the recycling channel comprises a discharge hole 2831, and a recycling box 284 is arranged below the discharge hole 2831; the screw batching bench 21 is provided with a housing 212, and the housing 212 is provided with a material taking opening 213 matched with a recycling box 284; after the screw placing assembly 26 clamps the screw on the screw overturning assembly 25, the screw is moved to the position above the visual detection assembly 27 for detection; if the screw is qualified, the screw is placed in the batching box 5 continuously, if the screw is unqualified, the screw is thrown into a discarding port, falls into a recycling channel through the discarding port, moves to a discharging port 2831 under the action of dead weight, and falls into a recycling box 284; in the embodiment, the recycling channel is utilized to guide the waste into the recycling box 284, and then the recycling box 284 can be conveniently taken out from the material taking opening 213 on the housing 212, so that the recycling box 284 can be taken out without stopping the machine, and the production efficiency can be improved; the arrangement of a plurality of abandon material mouths can match the feeding point of different positions respectively, shortens abandon material stroke, improves production efficiency.

Referring to fig. 1 to 13, the recovery passage in the present embodiment preferably includes a plurality of branch passages 282 and a pooling passage 283; the inlet end of the branch channel 282 is opposite to the waste port, and the outlet end of the branch channel 282 is communicated with the collecting channel 283; the combination of the branch passage 282 and the pooling passage 283 can simplify the structure of the recovery passage and facilitate production and assembly; of course, in other alternative embodiments, a single channel may be used to simultaneously match all of the reject ports, which is not limited herein; preferably, the branch channel 282 and the collecting channel 283 respectively comprise an inclined feeding bottom plate, and the discharge hole 2831 is arranged at the lowest end of the inclined feeding bottom plate of the collecting channel 283; by adopting the inclined feeding bottom plate, waste enters the branch channel 282 from the material discarding port, then moves into the collecting channel 283 under the action of self gravity, then moves to the material discharging port 2831 under the action of self gravity and falls into the recycling box 284; therefore, the inclined feeding bottom plate can enable the waste to automatically move and fall into the recovery box 284 under the action of self gravity, and the waste cannot be remained in the recovery channel, so that the structure is simple, and the production cost is low; in this embodiment, the inclined feeding bottom plate is a flat plate, however, in other alternative embodiments, the inclined feeding bottom plate may be arranged as an arc plate, or an inclined circular tube may be used as a channel, which is not limited herein.

Referring to fig. 1 to 13, in the present embodiment, an inlet end of the branch passage 282 is connected to a bottom wall of the first platen 211, an outlet end of the branch passage 282 extends into the pooling passage 283, and the pooling passage 283 is connected to the bottom wall of the first platen 211, thereby facilitating connection and arrangement; preferably, the first platen 211 is provided with a reject channel 281 above the reject opening; by adopting the discarding channel 281, the part on the first platen 211 can be prevented from being wrongly put into the discarding port; specifically, the bottom end of the discarding channel 281 is provided with a first fixing support plate, and the first fixing support plate is connected with the top wall of the first platen 211 through a screw; the inlet end of the branch channel 282 is provided with a second fixed support plate which is connected with the bottom wall of the first bedplate 211 through screws; the collecting channel 283 is provided with a third fixed support plate which is connected with the bottom wall of the first bedplate 211 through screws; specifically, the screw dosing stand 21 is provided with a positioning rack 285 fitted with the recovery box 284, so that the recovery box 284 can be conveniently placed.

Referring to fig. 1 to 13, in this embodiment, two joined first ingredient box conveying components 221 are disposed on the first platen 211, and two sides of the first ingredient box conveying components 221 are respectively provided with a visual detection component 27, a screw overturning component 25 and a screw receiving component 23; two screw placing assemblies 26 are arranged at the inner top of the screw batching stand 21, and the two screw placing assemblies 26 are respectively positioned above the two first batching box conveying assemblies 221; that is, the screw batching mechanism 2 in the present embodiment includes two first batching box conveying assemblies 221, two screw placing assemblies 26, four visual detecting assemblies 27, four screw overturning assemblies 25 and four screw receiving assemblies 23; the visual detection components 27 are in one-to-one correspondence with the waste material channels 281 and are adjacently arranged, so that waste materials which are detected as unqualified by the visual detection components 27 can be quickly put into the waste material channels 281, the waste material stroke can be shortened, and the production efficiency can be improved; in this embodiment, the two screw placement assemblies 26 are independently operated, so that the two batching boxes 5 can be batched at the same time, thereby improving the production efficiency; the four screw receiving assemblies 23 are used for feeding simultaneously, and the screw placing assemblies 26 can clamp screws from the two screw overturning assemblies 25 close to the lower part, so that one screw placing assembly 26 can be used for batching one batching box 5, and two screw placing assemblies 26 can be used for batching one batching box 5 in a matching manner, the four screw receiving assemblies 23 can be fully utilized, more screws with different specifications are matched, and the application range of the system is improved; of course, in order to implement the batching of the screws, at least one first batching box conveying assembly 221, one screw receiving assembly 23, one screw overturning assembly 25, one visual inspection assembly 27 and one screw placing assembly 26 are included, on the basis of which the number of the respective assemblies can be adjusted as required, without being limited thereto.

Referring to fig. 1 to 14, the gasket dispensing process specifically includes feeding the dispensing cartridge 5 completed with the screw dispensing to the gasket dispensing mechanism 3, and the second scanner scans the identification code 55 on the dispensing cartridge 5 and transmits it to the PLC controller; the PLC controller interacts with the man-machine interaction device to obtain the gasket formula corresponding to the man-machine interaction device, and then the PLC controller controls the gasket batching mechanism 3 to sequentially sleeve gaskets on corresponding screws in the batching plate 51 according to the gasket formula. Specifically, the gasket dispensing mechanism 3 includes a gasket dispensing stand, on which a second platen is provided; a second ingredient box conveying assembly is arranged on the second platen and is used for receiving the ingredient box 5 from the first ingredient box conveying assembly 221 and conveying the ingredient box 5 to the blanking mechanism 4 after the gasket ingredients are finished; a gasket feed assembly 31 is provided on the second platen; the gasket placing assembly is arranged at the inner top of the gasket batching bench and used for clamping the gasket on the gasket feeding assembly 31 and sleeving the gasket on a screw in the batching box 5; the gasket placing assembly comprises a second mechanical arm, a gasket clamping assembly and a second visual identification assembly, wherein the gasket clamping assembly and the second visual identification assembly are arranged at the tail end of the second mechanical arm; except for the gasket feed assembly 31, the remaining structures are not shown in the drawings, wherein the second ingredient cartridge transfer assembly is identical in structure to the first ingredient cartridge transfer assembly 221; wherein, the gasket feeding assembly 31 adopts a flexible feeder based on visual recognition, which belongs to the prior art and is not described herein in detail; compared with the screws, the number of the gaskets is small, and the gaskets are convenient to feed and clamp, so that a plurality of gasket feed assemblies 31 are adopted, each gasket feed assembly 31 provides gaskets with a plurality of specifications, and the batching demands of the gaskets can be met.

The working principle is as follows:

the batching box is customized respectively according to different assembly parts, so that one-to-one association of the assembly parts, the screw formula, the gasket formula, the identification code, the batching box and the batching plate is realized, the problem of batching mistakes can be effectively avoided, and automatic batching of the screw gasket is conveniently realized.

When the screw automatic batching device is used for batching, an operator places a batching box 5 on the feeding mechanism 1, the feeding mechanism 1 conveys the batching box 5 to the screw batching mechanism 2, and the screw batching mechanism 2 executes a screw batching procedure to realize automatic batching of screws; after the screw batching is finished, the screw batching mechanism 2 transmits the batching box 5 to the gasket batching mechanism 3, and the gasket batching mechanism 3 executes a gasket batching procedure to realize automatic batching of gaskets; after the gasket batching is finished, the gasket batching mechanism 3 conveys the batching box 5 to the blanking mechanism 4, and then an operator takes away the batching box 5 on the blanking mechanism 4.

That is, after the customization of the ingredient box is completed, the operator only needs to place an empty ingredient box and collect the ingredient box with the ingredients completed, and the ingredients of the screws and the gaskets are automatically completed by the screw gasket ingredient system, so that the production efficiency can be improved, and the risk of ingredient errors is reduced.

Claims (10)

1. The automatic batching method for the screw gaskets is based on a screw gasket batching system and is characterized by comprising the following steps of: the screw gasket batching system comprises a batching box, a control system, a screw batching mechanism, a first code scanner, a gasket batching mechanism and a second code scanner, wherein the screw batching mechanism, the first code scanner, the gasket batching mechanism and the second code scanner are respectively connected with the control system;

the method comprises the following steps:

customizing a batching box, forming a screw formula from the specification and the number of screws required by the assembly part, forming a gasket formula from the specification and the number of gaskets matched with the screws, processing a corresponding batching plate according to the screw formula, and placing the batching plate in the batching box; inputting the screw formula and the gasket formula into a control system, associating the screw formula and the gasket formula to an identification code, and setting the identification code on a corresponding ingredient box;

the screw batching is carried out, the batching box is conveyed to a screw batching mechanism, and the first code scanner scans the identification code on the batching box and transmits the identification code to the control system; the control system acquires a screw formula corresponding to the identification code according to the identification code, and then controls the screw batching mechanism to sequentially place screws in batching plates in the batching box according to the screw formula;

gasket batching, conveying a batching box with completed screw batching to a gasket batching mechanism, scanning identification codes on the batching box by a second code scanner, and transmitting the identification codes to a control system; the control system acquires a gasket formula corresponding to the gasket formula according to the identification code, and then controls the gasket batching mechanism to sleeve the gasket on the corresponding screw in the batching plate in sequence according to the gasket formula.

2. The automatic compounding method of screw gaskets according to claim 1, characterized in that: the control system comprises a PLC controller and a man-machine interaction device;

in the process of customizing the batching box, inputting a screw formula and a gasket formula into a man-machine interaction device, and then associating the screw formula and the gasket formula to an identification code;

in the process of mixing materials by the screws, a first code scanner scans identification codes on a mixing box and transmits the identification codes to a PLC; the PLC controller is interacted with the man-machine interaction device to obtain a screw formula corresponding to the man-machine interaction device, and then the PLC controller controls the screw batching mechanism to sequentially place screws in batching plates in the batching box according to the screw formula;

in the working procedure of gasket batching, the second code scanner scans the identification code on the batching box and transmits the identification code to the PLC; the PLC controller is interacted with the man-machine interaction device to obtain a gasket formula corresponding to the man-machine interaction device, and then the PLC controller controls the gasket batching mechanism to sequentially sleeve the gaskets on corresponding screws in the batching plate according to the gasket formula.

3. The automatic compounding method of screw gaskets according to claim 1, characterized in that: a plurality of screw locating holes corresponding to the screw formula are formed in the batching plate, and a magnetic plate positioned below the batching plate is further arranged in the batching box.

4. The automatic screw washer batching method according to claim 3, wherein: the magnetic sheet is characterized in that a first partition plate and a second partition plate are sequentially arranged below the magnetic sheet, the first partition plate is a hard plate, and the second partition plate is a flexible plate.

5. The automatic compounding method of screw gaskets according to claim 1, characterized in that: the screw batching mechanism includes:

the screw batching bench is provided with a first bedplate;

a first ingredient box transfer assembly carried on the first platen;

the screw blowing machines are used for storing and blowing screws, and the screw blowing machines are provided with guide hoses;

the screw receiving assembly is borne on the screw batching bench and comprises a plurality of screw tracks which are arranged in parallel; the screw track is obliquely arranged, a positioning cylinder communicated with the material guiding hose is arranged at the upper end of the screw track, and a positioning baffle is arranged at the lower end of the screw track; the screw blowing machine blows screws into the guide hose, the screws pass through the positioning cylinder after being discharged from the guide hose, fall on the screw track in an upward posture of the screw heads, and then move downwards along the screw track under the action of dead weight to be in contact with the positioning baffle plate;

The screw overturning assembly is carried on the first platen and used for clamping screws on the screw track and adjusting the postures of the screws to be in a vertical state with downward screw heads; the method comprises the steps of,

the screw placing assembly is used for clamping screws on the screw overturning assembly and placing the screws in a batching plate in the batching box.

6. The automatic compounding method of screw gaskets of claim 5, wherein: the screw placing assembly comprises a first mechanical arm, a screw clamping assembly and a first visual identification assembly, wherein the screw clamping assembly and the first visual identification assembly are arranged at the tail end of the first mechanical arm.

7. The automatic compounding method of screw gaskets of claim 5, wherein: the screw gasket batching system further comprises a plurality of proximity sensors which are in one-to-one correspondence with the screw tracks; the proximity sensor is arranged above the screw track, and a buffer area is formed between the proximity sensor and the positioning assembly on the screw track; the proximity sensor is connected with a screw blowing machine, and the screw blowing machine executes blowing action according to the signal of the proximity sensor.

8. The automatic compounding method of screw gaskets of claim 5, wherein: the screw batching mechanism further comprises a blowing machine rack for bearing screw blowing machines, the blowing machine rack is of a single-layer structure or a multi-layer structure, and the number of the blowing machine racks is one or more.

9. The automatic compounding method of screw gaskets according to claim 1, characterized in that: the gasket dosing mechanism includes:

the gasket batching bench is provided with a second bedplate;

a second ingredient box transfer assembly carried on the second platen;

a gasket feed assembly carried on the second platen; the method comprises the steps of,

the gasket placing assembly is used for clamping gaskets on the gasket feeding assembly and sleeving the gaskets on screws in the batching box.

10. The automatic compounding method of screw washer according to claim 9, characterized in that: the gasket placing assembly comprises a second mechanical arm, a gasket clamping assembly and a second visual identification assembly, wherein the gasket clamping assembly and the second visual identification assembly are arranged at the tail end of the second mechanical arm.

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