CN117066152B

CN117066152B - Inferior quality product detection device of combination screw

Info

Publication number: CN117066152B
Application number: CN202311137612.0A
Authority: CN
Inventors: 季才力; 梁书; 季慧辉
Original assignee: Zhejiang Saida Fastener Co ltd
Current assignee: Zhejiang Saida Fastener Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-03-12
Anticipated expiration: 2043-09-05
Also published as: CN117066152A

Abstract

The invention belongs to the technical field of fastener defective product detection, and particularly relates to a defective product detection device for a combined screw, which comprises a loading unit, a receiving unit and a screening unit, wherein the screening unit is arranged between the loading unit and the receiving unit, and comprises: the device comprises a conveying track, a carrier body, a detection probe, a defective product collecting area and a stop assembly, wherein the upper unit can send combined screws to a carrying disc, and the detection probe can detect whether the combined screws on the carrying disc are defective or not in the moving process of the carrier body.

Description

Inferior quality product detection device of combination screw

Technical Field

The invention belongs to the technical field of fastener defective product detection, and particularly relates to a defective product detection device for a combined screw.

Background

The condition that the gasket can not be assembled occasionally can appear in the combined screw in the production process, the defective products appear in the finished product, the structure of the finished product and the defective products is shown as shown in fig. 1, in order to solve the problem that the defective products appear in the finished product, the prior equipment manufacturer sets an opening on the feeding slide rail before the thread rolling, so that the screw of the unassembled gasket falls from the opening, the defective rate is reduced, but the phenomenon that two or more screws are overlapped can appear in the conveying process, when the screws are overlapped, the screw of the unassembled gasket can not fall from the opening, and because the conveying speed of the feeding slide rail is too fast, the defective rate of the existing combined screw delivery is approximately 0.05%, and therefore, a device capable of accurately distinguishing and collecting the finished product and the defective products of the combined screw is required to be designed.

Disclosure of Invention

The invention aims to solve the technical problems, and provides a defective product detection device for a combination screw, which is ingenious in structure, low in use cost, high in defective product detection precision and low in defective product rate of doping in a product.

In view of the above, the invention provides a device for detecting defective products of a combination screw, comprising a loading unit, a receiving unit and a screening unit, wherein the screening unit is arranged between the loading unit and the receiving unit, and comprises:

a conveying rail extending from below the loading unit to above the receiving unit;

the carrier body can move on the conveying track, a bearing disc and a turnover assembly are arranged on the carrier body, and the bearing disc can be turned under the drive of the turnover assembly;

the detection probe is arranged on one side of the conveying track and used for detecting the combined screw on the bearing disc;

the inferior quality product collecting area is arranged below one end, close to the collecting unit, of the conveying rail, and the combined screw can penetrate through the conveying rail to enter the inferior quality product collecting area;

the stopping assembly can control the carrier body to stop moving on the conveying track;

the loading unit can send the combined screw to the bearing plate, and the detection probe can detect whether the combined screw on the bearing plate is defective or not in the moving process of the carrier body.

In the technical scheme, a carrier body firstly comes below a loading unit, the loading unit sends a combined screw to a bearing disc, the carrier body moves towards a receiving unit on a conveying track with the combined screw, in the moving process, the combined screw passes through a detection probe to detect the combined screw on the bearing disc, whether the combined screw is a defective product or a finished product is judged, if the combined screw is a defective product, a stopping component is started to stop the carrier body near a defective product collecting area, a turnover component is started to turn the bearing disc, and the defective product breaks away from the bearing disc and passes through the conveying track to enter the defective product collecting area to be collected; if the finished product is obtained, the carrier body stops when moving to the upper part of the receiving unit, the overturning assembly is started to enable the carrying disc to overturn, and the finished product is separated from the carrying disc and falls onto the receiving unit.

In the above technical scheme, further, the carrier body is realized moving on the conveying track under the drive of the drive assembly, and the drive assembly includes:

the driving rack is arranged on the carrier body;

the transmission gear is in meshed connection with the driving rack;

and the driving motor is used for driving the transmission gear to rotate, and the driving motor is fixed relative to the conveying track.

In the above technical scheme, further, the conveying track is in a shape of a Chinese character 'hui', the carrier body moves in the conveying track, the driving rack is positioned on one side of the carrier body close to the loading unit, and a defective product collecting area is formed between the carrier body and one end of the conveying track close to the collecting unit.

In the technical scheme, further, an installation groove is formed in the carrier body, two opposite side walls of the conveying track are provided with limiting female racks, two opposite side walls of the installation groove and the limiting female racks are provided with translation grooves, and a driving groove is formed in the vertical line direction of the two translation grooves; the stop assembly includes:

the two translation blocks are respectively and slidably connected in the two translation grooves, one side, close to the limiting master rack, of each translation block is provided with a limiting sub-rack, one side, close to each other, of each translation block is provided with a translation inclined plane, and the translation inclined planes are positioned at one end, close to the driving groove, of each translation block;

the two ends of the locking spring are respectively connected with the two translation blocks;

the pushing block is arranged on one side, close to the driving groove, of the mounting groove, and driving inclined planes matched with the translation inclined planes are arranged at two ends of the pushing block;

the driving cylinder is used for driving the pushing block to be close to or far away from the translation block;

when the pushing block is far away from the translation block, the limiting sub-rack is far away from the limiting main rack; when the pushing block moves close to the translation block, the two translation blocks are driven to do separation movement, so that the limiting sub-racks are close to the limiting master racks, and the carrier body can be limited to move when the limiting sub-racks and the limiting master racks are clamped with each other.

In the above technical scheme, further, the first end of loading tray rotates with the carrier body to be connected, and the upset subassembly includes finished product upset subassembly and defective goods upset subassembly, and finished product upset subassembly and defective goods upset subassembly are noninterference each other, and finished product upset subassembly is used for driving the loading tray upset when the carrier body is located receipts piece unit top, and defective goods upset subassembly is used for driving the loading tray upset when the carrier body stops in defective goods collection area department.

In the above technical scheme, further, the finished product upset subassembly includes the upset cylinder, and the upset cylinder is established on the carrier body, and the piston rod of upset cylinder output is up and with the second end contact of loading tray.

In the above technical scheme, further, the defective overturning assembly includes:

the follow-up groove is formed in the upper surface of the carrier body and is communicated with the mounting groove;

the upper end of the follow-up block penetrates through the follow-up groove and then extends to the upper part of the carrier body;

the follow-up rod is arranged on the side wall of the upper end of the follow-up block;

the fixed inner rod is arranged on the carrier body;

the movable outer rod is sleeved on the outer wall of the fixed inner rod along the vertical direction;

the lifting frame is arranged at the upper end of the movable outer rod, the upper end of the lifting frame is in contact with the second end of the bearing disc, the lifting frame is provided with a lifting groove which is obliquely arranged, the follow-up rod is positioned in the lifting groove, the outer wall of the follow-up rod is attached to the side wall of the lifting groove, and the follow-up rod can move along the opening direction of the lifting groove;

when the push block moves towards the translation block, the follower rod moves obliquely downwards in the lifting groove.

In the technical scheme, further, the lifting frame is rotationally connected with the upper end of the movable outer rod, the outer wall of the movable outer rod is provided with the fixed column, one end of the fixed column, which is far away from the movable outer rod, is provided with the adjusting sleeve, and the inner wall of the adjusting sleeve is provided with the internal thread;

the lifting frame is provided with a connecting column, an external thread is arranged on the outer wall of one end of the connecting column far away from the lifting frame, and the connecting column is in threaded connection with the adjusting sleeve;

when the adjusting sleeve rotates, the connecting column can be close to or far away from the fixed column, so that the inclination angle of the lifting groove is changed.

In the above technical scheme, further, the both ends of delivery track all are equipped with travel switch, all are equipped with the trigger piece with two travel switch positions relative department on the carrier body.

The invention also discloses a using method of the inferior quality detection device suitable for the combined screw, which comprises the following steps:

x1, debugging: according to the correlation between the moving distance of the pushing block and the overturning angle of the bearing disc, the angle of the lifting frame is adjusted so as to change the inclination angle of the lifting groove;

x2, delivering: the carrier body moves to the lower part of the loading unit, and the loading unit sends a combined screw to the bearing disc;

x3, detection: the carrier body moves towards the receiving unit along with the combined screw, and when the carrier body passes through the detection probe, the detection probe identifies whether the combined screw is a defective product or not;

x4, collecting defective products: if the inferior product is detected, the driving cylinder starts to drive the pushing block to approach the two translation blocks, the two translation blocks are driven by the pushing block to do separation movement, so that the two limiting sub-racks and the two limiting parent racks are mutually clamped, at the moment, the carrier body stops moving on the conveying track, and the lifting frame is driven by the follower rod to lift in the moving process of the pushing block so as to enable the carrying disc to overturn, and the inferior product is separated from the carrying disc and enters the inferior product collecting area;

x5, collecting a finished product: if the finished product is detected, the carrier body is arranged above the collecting unit with the combined screw, and at the moment, the finished product overturning assembly drives the bearing disc to overturn, so that the finished product is separated from the bearing disc to be arranged on the collecting unit;

x6, resetting: the carrying tray is turned to a horizontal state, and the carrier body returns to the lower part of the upper unit.

The beneficial effects of the invention are as follows:

1. through setting up delivery track, carrier body, loading disc, upset subassembly, test probe, defective products collection district, stopping the subassembly and mutually supporting for every combination screw can be distinguished into finished product or defective products by accurate, and carries to corresponding position and is collected, has improved the accuracy of collecting the combination screw difference.

2. Through setting up spacing female rack, translation piece, spacing child rack, locking spring, ejector pad, actuating cylinder mutually support for when the combination screw was detected as the defective article, spacing child rack and spacing female rack mutual block can restrict the carrier body and continue to remove, guarantee that the defective article can not mix in the finished product, the defective rate when reducing the combination screw and leaving the factory.

3. Through setting up into follow-up groove, follower rod, fixed interior pole, activity outer pole, crane, lift groove with inferior quality upset subassembly, through a drive cylinder drive, just can realize stopping simultaneously that the subassembly restriction carrier body removes and drive bears the weight of the upset of dish and unload, the structure is ingenious, and use cost is lower, and it is also more convenient to overhaul.

4. Through changing the connected mode of crane and activity outer pole to set up fixed column, adjusting collar, spliced pole mutually supporting between crane and activity outer pole, can adjust the inclination of crane like this after the travel distance of changing the ejector pad, thereby change the same travel distance down crane's of ejector pad lift distance, and then guarantee that the combination screw can normally break away from the loading disc.

5. Through setting up travel switch at delivery track's both ends to set up two trigger pieces on the carrier body, trigger piece can trigger travel switch after the carrier body reaches corresponding position, can control the time node of going up the piece like this, also can control the time node of receiving the piece unit, control whole testing process through control system, realize carrying out automatic and continuous detection to batch combination screw.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the finished product and the defective product in the present invention.

FIG. 2 is a schematic diagram of the structure of the present invention.

FIG. 3 is a schematic view of a screen unit according to the present invention.

Fig. 4 is a schematic diagram of a matching structure of a conveying track and a carrier body in the present invention.

Fig. 5 is a schematic view of a partial enlarged structure at a in fig. 4.

Fig. 6 is a schematic view of a first directional perspective structure of a carrier body according to the present invention.

Fig. 7 is a schematic view of a second-direction perspective structure of a carrier body according to the present invention.

Fig. 8 is a schematic side view of a carrier according to the present invention.

Fig. 9 is a schematic diagram showing the overturning of the carrying tray during the collection of the defective products in the present invention.

Fig. 10 is a schematic view showing the contact of the finished product turning assembly and the defective turning assembly with the carrier tray in the present invention.

FIG. 11 is a schematic diagram showing the overturning of the tray during the collection of the finished product in the present invention.

Fig. 12 is a schematic view of an angle-adjustable structure of a lifting frame in the present invention.

Fig. 13 is a schematic view of a partially enlarged structure at B in fig. 12.

The label in the figure is:

100-finished products, 200-defective products, 1-upper parts units, 2-lower parts units, 3-conveying tracks, 301-limit master racks, 4-carrier bodies, 401-mounting grooves, 402-translation grooves, 403-driving grooves, 404-follow-up grooves, 5-bearing discs, 6-detection probes, 7-defective product collecting areas, 801-driving racks, 802-transmission gears, 803-driving motors, 901-translation blocks, 9011-limit sub racks, 902-translation inclined surfaces, 903-locking springs, 904-pushing blocks, 9041-driving inclined surfaces, 905-driving cylinders, 10-overturning cylinders, 1101-follow-up blocks, 1102-follow-up rods, 1103-fixed inner rods, 1104-movable outer rods, 1105-lifting frames, 1106-lifting grooves, 1201-fixed columns, 1202-adjusting sleeves, 1203-connecting columns, 13-travel switches and 14-triggering blocks.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

In the present invention, the structures of the finished product 100 and the defective product 200 of the combination screw are shown in fig. 1, the finished product 100 is provided with a gasket, and the defective product 200 is not provided with a gasket, so that the present invention mainly distinguishes the finished product 100 from the defective product 200 and collects the separated products, and in order to reduce the defective rate of the finished product 100 of the combination screw when leaving the factory, the specific contents of the present invention are set forth in the following embodiments.

Example 1

Referring to fig. 2-7, an embodiment of the present application provides a device for detecting defective products of a combination screw, which includes a loading unit 1, a receiving unit 2, and a screening unit disposed between the loading unit 1 and the receiving unit 2,

the loading unit 1 conveys one combination screw to the carrying tray 5 at a time, and the structure of the loading unit 1 is common in the art, and is well known to those skilled in the art, and will not be described herein;

the receiving unit 2 may be a receiving box or basket, or may be a conveyor belt, and is mainly used for collecting the finished product 100 of the set screw, and the structure of the receiving unit 2 is well known to those skilled in the art, and is not a design gist of the present invention, and is not described herein;

the sifter unit includes: a conveying track 3, a carrier body 4, a detection probe 6, a defective product collecting area 7, a stopping component,

the conveying track 3 is in a shape like a Chinese character 'hui', the length of the conveying track 3 is larger than the width, the span of the conveying track 3 extends from the lower part of the upper part unit 1 to the upper part of the receiving unit 2, referring to fig. 2 or 3, sliding grooves are formed on two opposite inner walls of the conveying track 3, and the length direction of the sliding grooves is the same as the length direction of the conveying track 3;

the carrier 4 can move on the conveying track 3, and the specific carrier 4 moves inside the conveying track 3, as shown in fig. 6-7, sliding strips are respectively arranged on two opposite side walls of the carrier 4, and the carrier 4 is slidably connected in two sliding grooves of the conveying track 3 through the two sliding strips.

As a preferred embodiment, referring to fig. 3, the carrier body 4 is driven by a driving assembly to move on the conveying track 3, and the driving assembly includes: the driving rack 801, the transmission gear 802 and the driving motor 803 are arranged on the bottom surface of the carrier body 4, and the length direction of the driving rack 801 is the same as the length direction of the conveying track 3; the transmission gear 802 is in meshed connection with the driving rack 801; the driving motor 803 is used for driving the transmission gear 802 to rotate, and the driving motor 803 is fixed relative to the position of the conveying track 3; the driving motor 803 is started to drive the transmission gear 802 to rotate, and the transmission gear 802 drives the driving rack 801 to move in the length direction in the rotation process, and the carrier body 4 is carried on the conveying track 3 in the movement process of the driving rack 801.

The carrier body 4 is provided with a carrying disc 5 and a turnover assembly, the carrying disc 5 is used for placing a combination screw, and the carrying disc 5 can be turned under the drive of the turnover assembly;

the detection probe 6 is arranged on one side of the conveying track 3 and used for detecting the combined screw on the bearing disc 5, the detection probe 6 automatically trains through a grouping training algorithm to obtain various placing state models of the screw lacking the gasket, and the passing combined screw can be accurately detected;

referring to fig. 3, a driving rack 801 is located at one side of a carrier 4 close to a loading unit 1, a defective product collecting area 7 is formed between the carrier 4 and one end of a conveying rail 3 close to a receiving unit 2, the defective product collecting area 7 extends to the lower side of the conveying rail 3, and a combination screw can pass through the conveying rail 3 to enter the defective product collecting area 7;

the stopping component can control the carrier body 4 to stop moving on the conveying track 3, and as a certain rotation inertia can still exist in the transmission gear 802 when the driving motor 803 stops rotating, the driving rack 801 can be driven to move for a certain distance continuously, and therefore the carrier body 4 is stopped rapidly by arranging the stopping component;

according to the technical scheme of the embodiment, a carrier body 4 firstly comes below a carrier unit 1, the carrier unit 1 sends a combined screw to a carrier plate 5, the carrier body 4 moves towards a carrier receiving unit 2 on a conveying track 3 with the combined screw, in the moving process, the combined screw passes through a detection probe 6, the detection probe 6 detects the combined screw on the carrier plate 5 to judge whether the combined screw is a defective product 200 or a finished product 100, if the combined screw is the defective product 200, a stopping component is started to stop the carrier body 4 near a defective product collecting area 7, a turning component is started to turn the carrier plate 5, and the defective product 200 breaks away from the carrier plate 5 and passes through the conveying track 3 to enter the defective product collecting area 7 to be collected; if the carrier body 4 is the finished product 100, the carrier body is stopped when moving to the position above the collecting unit 2, the overturning assembly is started to overturn the carrying tray 5, and the finished product 100 is separated from the carrying tray 5 and falls onto the collecting unit 2.

It should be noted that, in this embodiment, a plurality of conveying tracks 3 may be designed in parallel, and a plurality of carrier bodies 4 are respectively conveyed on the corresponding conveying tracks 3 and detect the combination screw through the detection probe 6, so as to improve the detection efficiency of the combination screw; furthermore, only one loading unit 1 and one receiving unit 2 may be employed for a plurality of parallel conveying rails 3.

Example 2

The embodiment provides a defective product detection device for a combined screw, which comprises the technical scheme of the embodiment and also discloses a structure of a stop assembly;

referring to fig. 4-5, in the present embodiment, a mounting groove 401 is formed in the carrier body 4, two opposite side walls of the conveying track 3 are provided with a limiting female rack 301, two opposite side walls of the mounting groove 401 and the limiting female rack 301 are provided with a translation groove 402, and a driving groove 403 is formed in the vertical direction of the two translation grooves 402;

the stop assembly includes: two translation blocks 901, locking springs 903, push blocks 904, drive cylinders 905,

the two translation blocks 901 are respectively and slidably connected in the two translation grooves 402, one side, close to the limiting master rack 301, of the two translation blocks 901 is provided with a limiting sub rack 9011, one side, close to each other, of the two translation blocks 901 is provided with a translation inclined plane 902, and the translation inclined plane 902 is positioned at one end, close to the driving groove 403, of the translation block 901;

in this embodiment, the length of the limiting primary rack 301 is greater than that of the limiting secondary rack 9011, the size of the defective product collecting area 7 formed between the carrier body 4 and one end of the conveying track 3, which is close to the collecting unit 2, is not fixed, and the collecting of the defective products 200 is not affected as long as the limiting secondary rack 9011 can be mutually clamped with the limiting primary rack 301;

two ends of the locking spring 903 are respectively connected with two translation blocks 901, the two translation blocks 901 are nearest in distance in the locking state of the locking spring 903, and the limiting sub rack 9011 is positioned in the translation groove 402;

the push blocks 904 are arranged on one side, close to the driving groove 403, of the mounting groove 401, driving inclined planes 9041 matched with the translation inclined planes 902 are arranged at two ends of the push blocks 904, after the driving inclined planes 9041 are contacted with the translation inclined planes 902, the push blocks 904 are continuously pushed away from the driving groove 403, the push blocks 904 push the two translation blocks 901 to two sides, in the process, the locking springs 903 are lengthened, when the push blocks 904 move towards the direction close to the driving groove 403, gaps are formed between the driving inclined planes 9041 and the translation inclined planes 902, and under the action of the locking springs 903, the two translation blocks 901 can move towards each other, so that the translation inclined planes 902 are tightly attached to the driving inclined planes 9041;

the driving cylinder 905 is used for driving the push block 904 to approach or depart from the translation block 901;

through the technical scheme of this embodiment, in the normal removal in-process of carrier body 4, spacing sub-rack 9011 is hidden in translation groove 402, can not interfere carrier body 4 and remove on delivery track 3, when detection probe 6 detects that the combination screw is inferior quality 200, drive cylinder 905 starts drive pusher 904 and moves to keeping away from drive groove 403 direction, thereby drive two translation blocks 901 and do the motion apart, make spacing sub-rack 9011 be close to spacing female rack 301, can restrict carrier body 4 and remove when spacing sub-rack 9011 and spacing female rack 301 mutually block, the upset subassembly starts at this moment and makes carrier plate 5 take place the upset, inferior quality 200 breaks away from carrier plate 5 and gets into inferior quality collection area 7 through delivery track 3 and be collected.

Example 3

The embodiment provides a defective product detection device for a combination screw, which not only comprises the technical scheme of the embodiment, but also improves the structure of a turnover assembly;

as shown in fig. 8-11, in this embodiment, the first end of the carrying tray 5 is rotationally connected with the carrier body 4, the overturning assembly includes a finished product 100 overturning assembly and a defective product 200 overturning assembly, the finished product 100 overturning assembly and the defective product 200 overturning assembly do not interfere with each other, the finished product 100 overturning assembly is used for driving the carrying tray 5 to overturn when the carrier body 4 is located above the receiving unit 2, and the defective product 200 overturning assembly is used for driving the carrying tray 5 to overturn when the carrier body 4 stops at the defective product collecting area 7.

In this embodiment, the finished product 100 overturning assembly includes an overturning cylinder 10, the overturning cylinder 10 is arranged on the carrier body 4, a piston rod at the output end of the overturning cylinder 10 faces upwards and contacts with the second end of the carrying disc 5, and in the stage of collecting the defective product 200, please refer to fig. 9, the defective product 200 overturning assembly drives the carrying disc 5 to overturn, and in this process, the piston rod on the overturning cylinder 10 is separated from the second end of the carrying disc 5; referring to fig. 11, in the collection stage of the finished product 100, the turning cylinder 10 drives the piston rod thereon to push the second end of the carrying tray 5 upwards, so as to turn the carrying tray 5, and in this process, the defective product 200 turning component is separated from the second end of the carrying tray 5.

Example 4

The embodiment provides a defective product detection device for a combination screw, which comprises the technical scheme of the embodiment and also discloses a structure of a defective product 200 overturning assembly;

as shown in fig. 8 to 11, in the present embodiment, the defective product 200 flipping assembly includes: a follower slot 404, a follower block 1101, a follower lever 1102, a fixed inner lever 1103, a movable outer lever 1104, a lift 1105,

the follow-up groove 404 is formed on the upper surface of the carrier body 4, and the follow-up groove 404 is communicated with the mounting groove 401;

the follower block 1101 is connected with the push block 904, the upper end of the follower block 1101 passes through the follower groove 404 and then extends to the upper part of the carrier body 4, and the follower block 1101 moves along with the push block 904 in the follower groove 404 when the push block 904 moves;

the follower lever 1102 is arranged on the upper side wall of the follower block 1101, and the follower lever 1102 moves together when the follower block 1101 moves;

the fixed inner rod 1103 is arranged on the carrier body 4;

the movable outer rod 1104 is sleeved on the outer wall of the fixed inner rod 1103 along the vertical direction;

the lifting frame 1105 is arranged at the upper end of the movable outer rod 1104, the upper end of the lifting frame 1105 is contacted with the second end of the bearing disc 5, the lifting frame 1105 is provided with a lifting groove 1106 which is obliquely arranged, the follow-up rod 1102 is positioned in the lifting groove 1106, the outer wall of the follow-up rod 1102 is attached to the side wall of the lifting groove 1106, and the follow-up rod 1102 can move along the opening direction of the lifting groove 1106;

in this embodiment, the cooperation between the movable outer rod 1104 and the fixed inner rod 1103 mainly limits and guides the lifting process of the lifting frame 1105, the follower rod 1102 can only move along the opening direction of the lifting groove 1106 in the lifting groove 1106, please refer to fig. 8, at this time, the follower block 1101 is at the rightmost end of the follower groove 404, the push block 904 is at a position far away from the translation block 901, the follower rod 1102 is at the highest position of the lifting groove 1106, and the carrying tray 5 is in a horizontal state; referring to fig. 9, at this time, the follower block 1101 is at the leftmost end of the follower slot 404, the pushing block 904 pushes the translational block 901 out of the translational slot 402 to make the limit sub-rack 9011 and the limit parent rack 301 mutually engage, the follower rod 1102 is at the lowest position of the lifting slot 1106, and the bearing disc 5 is in an inclined state;

taking the direction in fig. 8 and 9 as an example, the process of collecting the defective product 200 is: the driving cylinder 905 starts to drive the push block 904 to move leftwards, drives the two translation blocks 901 to do a separation motion, enables the limiting sub-racks 9011 to be close to the limiting parent racks 301, can limit the movement of the carrier body 4 when the limiting sub-racks 9011 are mutually clamped with the limiting parent racks 301, moves leftwards in the follow-up groove 404 with the push block 904 in the process, moves leftwards with the follow-up rod 1102 with the follow-up block 1101 in the process of moving, moves leftwards and downwards in the lifting groove 1106 in the process of moving, pushes the lifting frame 1105 upwards, and pushes the second end of the carrying disc 5 upwards in the process of moving upwards, so that the carrying disc 5 is overturned.

Through the technical scheme of this embodiment, only use a driving cylinder 905, just can realize stopping the action of stopping the subassembly and the inferior product 200 collection process simultaneously, the structure is ingenious, use cost is lower, and it is also more convenient to overhaul.

Example 5

The present embodiment provides a defective product detection device for a combination screw, which includes the technical scheme of the above embodiment, and further designs the lifting frame 1105 with an angle-adjustable structure;

as shown in fig. 12-13, in this embodiment, the lifting frame 1105 is rotatably connected with the upper end of the movable outer rod 1104, a fixed column 1201 is arranged on the outer wall of the movable outer rod 1104, an adjusting sleeve 1202 is arranged at one end of the fixed column 1201 far away from the movable outer rod 1104, an internal thread is arranged on the inner wall of the adjusting sleeve 1202, and the adjusting sleeve 1202 can rotate relative to the fixed column 1201;

the lifting frame 1105 is provided with a connecting column 1203, one end of the connecting column 1203, which is close to the lifting frame 1105, is provided with an arc-shaped adjusting groove, the lifting frame 1105 is provided with an adjusting rod, the adjusting rod can slide in the adjusting groove, the outer wall of one end of the connecting column 1203, which is far away from the lifting frame 1105, is provided with external threads, and the connecting column 1203 is in threaded connection with the adjusting sleeve 1202;

when the adjusting sleeve 1202 rotates, the connecting post 1203 can be moved closer to or away from the fixed post 1201 to change the inclination angle of the lifting groove 1106; specifically, in the process that the connecting post 1203 approaches the adjusting sleeve 1202, the lifting frame 1105 rotates counterclockwise with the upper end of the movable outer rod 1104 as a fulcrum, at this time, the angle between the lifting frame 1105 and the horizontal direction increases, the inclination angle of the lifting groove 1106 increases, and the lifting distance of the lifting frame 1105 increases under the same displacement of the push block 904; in the process that the connecting post 1203 is far away from the adjusting sleeve 1202, the lifting frame 1105 rotates clockwise by taking the upper end of the movable outer rod 1104 as a fulcrum, at this time, the angle between the lifting frame 1105 and the horizontal direction is reduced, the inclination angle of the lifting groove 1106 is reduced, and the lifting distance of the lifting frame 1105 is reduced under the same displacement of the push block 904.

Because the limiting sub-racks 9011 and the limiting main racks 301 can both limit the movement of the carrier body 4 within a certain distance range, through the technical scheme of the embodiment, after the movement distance of the push block 904 is changed, the inclination angle of the lifting frame 1105 can be adjusted, so that the lifting distance of the lifting frame 1105 under the same movement distance of the push block 904 is changed, and the combined screw can be further ensured to be normally separated from the carrying disc 5.

Example 6

The embodiment provides a defective product detection device for a combination screw, which comprises the following technical characteristics besides the technical scheme of the embodiment;

referring to fig. 2-4, in the present embodiment, travel switches 13 are disposed at two ends of the conveying track 3, and trigger blocks 14 are disposed on the carrier body 4 opposite to the two travel switches 13.

When the carrier body 4 reaches the corresponding position, the trigger block 14 can trigger the travel switch 13, so that the time node of the loading unit 1 can be controlled, the time node of the receiving unit 2 can also be controlled, and the whole detection process is controlled through the control system, so that automatic and continuous detection of batch combined screws is realized.

Example 7

The embodiment discloses a use method of a defective product detection device suitable for a combination screw in the previous embodiment, which comprises the following steps:

x1, debugging: according to the relation between the distance moved by the push block 904 and the overturning angle of the carrying tray 5, adjusting the angle of the lifting frame 1105 so as to change the inclination angle of the lifting groove 1106;

x2, delivering: the carrier body 4 moves below the upper unit 1, and the upper unit 1 sends a combined screw to the bearing disc 5;

x3, detection: the carrier body 4 moves towards the receiving unit 2 along with the combined screw, and when the combined screw passes through the detection probe 6, the detection probe 6 recognizes whether the combined screw is a defective product 200;

x4, collecting defective products 200: if the defective product 200 is detected, the driving cylinder 905 starts to drive the push block 904 to approach the two translation blocks 901, the two translation blocks 901 are driven by the push block 904 to perform separation movement, so that the two limiting sub-racks 9011 and the two limiting parent racks 301 are mutually clamped, at the moment, the carrier body 4 stops moving on the conveying track 3, and in the moving process of the push block 904, the follow-up rod 1102 drives the lifting frame 1105 to rise to enable the carrying disc 5 to turn over, so that the defective product 200 is separated from the carrying disc 5 and enters the defective product collecting area 7;

x5, collecting a finished product 100: if the finished product 100 is detected, the carrier body 4 carries the combined screw to be arranged above the collecting unit 2, and at the moment, the finished product 100 overturning assembly drives the carrying disc 5 to overturn, so that the finished product 100 is separated from the carrying disc 5 to be arranged on the collecting unit 2;

x6, resetting: the carrying tray 5 is turned over to a horizontal state, and the carrier body 4 returns to below the upper unit 1.

In this embodiment, the association between the distance of the movement of the push block 904 and the turning angle of the carrying tray 5 can be understood as that after the movement distance of the push block 904 is set, the carrying tray 5 needs to be turned to an angle capable of disengaging the combination screw under the movement distance; after the collection of the defective products 200 and the collection of the finished products 100, both the carrier tray 5 and the carrier body 4 are reset.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. The utility model provides a combination screw's inferior quality control surveys device, includes last piece unit (1), receipts piece unit (2), sifting piece unit establishes go up piece unit (1) with receive between piece unit (2), its characterized in that, sifting piece unit includes:

a conveying track (3), wherein the conveying track (3) extends from below the loading unit (1) to above the receiving unit (2);

the carrier body (4), the carrier body (4) can move on the conveying track (3), a bearing disc (5) and a turnover assembly are arranged on the carrier body (4), and the bearing disc (5) can turn under the drive of the turnover assembly;

the detection probe (6) is arranged on one side of the conveying track (3) and used for detecting the combined screw on the bearing disc (5);

the inferior quality product collecting area (7), the inferior quality product collecting area (7) is arranged below one end of the conveying track (3) close to the receiving unit (2), and a combined screw can penetrate through the conveying track (3) to enter the inferior quality product collecting area (7);

a stop assembly capable of controlling the movement of the carrier body (4) to stop on the conveying track (3);

the assembly unit (1) can send the combined screw to the bearing disc (5), and the detection probe (6) can detect whether the combined screw on the bearing disc (5) is a defective product (200) in the moving process of the carrier body (4);

the carrier body (4) is driven by a driving assembly to move on the conveying track (3), and the driving assembly comprises:

the driving rack (801) is arranged on the carrier body (4);

the transmission gear (802), the said transmission gear (802) is meshed with said driving rack (801);

the driving motor (803) is used for driving the transmission gear (802) to rotate, and the driving motor (803) is fixed in position relative to the conveying track (3);

the conveying track (3) is in a shape of a Chinese character 'hui', the carrier body (4) moves in the conveying track (3), the driving rack (801) is positioned on one side of the carrier body (4) close to the upper part unit (1), and the defective product collecting area (7) is formed between the carrier body (4) and one end of the conveying track (3) close to the collecting unit (2);

mounting grooves (401) are formed in the carrier body (4), limiting female racks (301) are arranged on two opposite side walls of the conveying track (3), translation grooves (402) are formed in two opposite side walls of the mounting grooves (401) and the limiting female racks (301), and driving grooves (403) are formed in the vertical line directions of the two translation grooves (402); the stop assembly includes:

the two translation blocks (901) are respectively and slidably connected in the two translation grooves (402), one side, close to the limiting female rack (301), of the two translation blocks (901) is provided with a limiting sub-rack (9011), one side, close to each other, of the two translation blocks (901) is provided with a translation inclined plane (902), and the translation inclined plane (902) is located at one end, close to the driving groove (403), of the translation blocks (901);

the two ends of the locking spring (903) are respectively connected with the two translation blocks (901);

the pushing block (904), the pushing block (904) is arranged on one side, close to the driving groove (403), of the mounting groove (401), and driving inclined planes (9041) matched with the translation inclined planes (902) are arranged at two ends of the pushing block (904);

-a driving cylinder (905), the driving cylinder (905) being adapted to drive the push block (904) closer to or farther from the translation block (901);

when the pushing block (904) is far away from the translation block (901), the limit sub-rack (9011) is far away from the limit parent rack (301); when the pushing block (904) moves close to the translation block (901), the two translation blocks (901) are driven to do separation movement, so that the limiting sub-racks (9011) are close to the limiting parent racks (301), and the limiting sub-racks (9011) can limit the carrier body (4) to move when being mutually clamped with the limiting parent racks (301).

2. The defective product detecting device of a combination screw according to claim 1, wherein: the first end of carrying disc (5) with carrier body (4) rotates to be connected, flip assembly includes finished product flip assembly and defective goods flip assembly, finished product flip assembly with defective goods flip assembly mutually noninterfere, finished product flip assembly is used for carrying disc (5) upset when carrier body (4) are located receipts unit (2) top, defective goods flip assembly is used for carrying body (4) stop drive when defective goods collection area (7) department carries disc (5) upset.

3. The defective product detecting device of a combination screw according to claim 2, wherein: the finished product overturning assembly comprises an overturning air cylinder (10), the overturning air cylinder (10) is arranged on the carrier body (4), and a piston rod at the output end of the overturning air cylinder (10) faces upwards and contacts with the second end of the carrier disc (5).

4. The device for detecting defective products of a combination screw according to claim 2, wherein the defective product turning assembly comprises:

the follow-up groove (404), the follow-up groove (404) is arranged on the upper surface of the carrier body (4), and the follow-up groove (404) is communicated with the mounting groove (401);

the follow-up block (1101), the follow-up block (1101) is connected with the push block (904), and the upper end of the follow-up block (1101) passes through the follow-up groove (404) and then extends to the upper part of the carrier body (4);

a follower lever (1102), the follower lever (1102) being provided on an upper end side wall of the follower block (1101);

a fixed inner rod (1103), the fixed inner rod (1103) being provided on the carrier body (4);

a movable outer rod (1104), wherein the movable outer rod (1104) is sleeved on the outer wall of the fixed inner rod (1103) along the vertical direction;

the lifting frame (1105), the lifting frame (1105) is arranged at the upper end of the movable outer rod (1104), the upper end of the lifting frame (1105) is in contact with the second end of the bearing disc (5), a lifting groove (1106) which is obliquely arranged is formed in the lifting frame (1105), the follow-up rod (1102) is positioned in the lifting groove (1106), the outer wall of the follow-up rod (1102) is attached to the side wall of the lifting groove (1106), and the follow-up rod (1102) can move along the opening direction of the lifting groove (1106);

when the push block (904) moves towards the translation block (901), the follower rod (1102) moves obliquely downwards in the lifting groove (1106).

5. The defective product detecting device for a combination screw according to claim 4, wherein: the lifting frame (1105) is rotationally connected with the upper end of the movable outer rod (1104), a fixed column (1201) is arranged on the outer wall of the movable outer rod (1104), an adjusting sleeve (1202) is arranged at one end, far away from the movable outer rod (1104), of the fixed column (1201), and an inner thread is arranged on the inner wall of the adjusting sleeve (1202);

a connecting column (1203) is arranged on the lifting frame (1105), an external thread is arranged on the outer wall of one end, far away from the lifting frame (1105), of the connecting column (1203), and the connecting column (1203) is in threaded connection with the adjusting sleeve (1202);

when the adjusting sleeve (1202) rotates, the connecting column (1203) can be close to or far away from the fixed column (1201) so as to change the inclination angle of the lifting groove (1106).

6. The device for detecting defective products of a combination screw according to any one of claims 1 to 5, wherein: travel switches (13) are arranged at two ends of the conveying track (3), and trigger blocks (14) are arranged on the carrier body (4) at positions opposite to the two travel switches (13).

7. A method of using the defective product detecting device for a set screw according to claim 5, comprising the steps of:

x1, debugging: according to the relation between the moving distance of the push block (904) and the overturning angle of the bearing disc (5), the angle of the lifting frame (1105) is adjusted so as to change the inclination angle of the follow-up groove (404);

x2, delivering: the carrier body (4) moves below the upper part unit (1), and the upper part unit (1) sends a combined screw to the bearing disc (5);

x3, detection: the carrier body (4) moves towards the receiving unit (2) along with the combined screw, and when the combined screw passes through the detection probe (6), the detection probe (6) identifies whether the combined screw is a defective product (200);

x4, collecting defective products (200): if the defective product (200) is detected, a driving cylinder (905) is started to drive a pushing block (904) to approach to the two translation blocks (901), the two translation blocks (901) are driven by the pushing block (904) to do separation movement, so that the two limiting sub racks (9011) are mutually clamped with the two limiting parent racks (301), at the moment, the carrier body (4) stops moving on the conveying track (3), and in the moving process of the pushing block (904), a follow-up rod (1102) drives a lifting frame (1105) to lift up to enable the carrying disc (5) to turn over, so that the defective product (200) is separated from the carrying disc (5) and enters a defective product collecting area (7);

x5, collecting a finished product (100): if the finished product (100) is detected, the carrier body (4) is arranged above the collecting unit (2) with the combined screw, and at the moment, the finished product overturning assembly drives the carrying disc (5) to overturn, so that the finished product (100) is separated from the carrying disc (5) to be collected on the collecting unit (2);

x6, resetting: the carrying disc (5) is turned to be in a horizontal state, and the carrying body (4) returns to the lower part of the upper part unit (1).