CN212206439U

CN212206439U - Torsion detection machine

Info

Publication number: CN212206439U
Application number: CN202020553043.3U
Authority: CN
Inventors: 蔡柏贤; 魏镇东
Original assignee: Shenzhen Yuzhan Precision Technology Co ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-22
Anticipated expiration: 2030-04-14

Abstract

A torsion detecting machine for detecting torsion of a workpiece on a product, comprising: the conveying module comprises a transferring assembly and at least two jig assemblies arranged on the transferring assembly, the jig assemblies are used for placing the products, and the products are transferred among the detection station and the feeding and discharging station through the transferring assembly; the feeding and discharging module is arranged on one side of the feeding and discharging station and comprises a feeding assembly and a transfer assembly, the feeding assembly is used for conveying the product, and the transfer assembly is arranged between the transferring assembly and the feeding assembly and used for transferring the product between the transferring assembly and the feeding assembly; and the detection module is arranged on one side of the detection station and is used for detecting the torsion of the workpiece. The utility model provides a torsion detects machine can realize automatic the detection, improves and detects the precision, and the setting of multistation can promote detection efficiency, reduces the cost of labor, and fungible manual detection under harmful, dangerous environment to the human body.

Description

Torsion detection machine

Technical Field

The utility model relates to a work piece detects technical field, especially relates to a torsion detects machine.

Background

The torque force is a force that causes the object to rotate. In the production process, the torque is one of the process parameters which are mainly controlled by a production unit off-line or on-line, and whether the torque value is proper or not has great influence on intermediate transportation and final consumption of products. The torsion tester is mainly used for detecting the fastening degree of a sample and the torsion resistance of certain parts of the sample so as to determine whether the sample meets the torsion requirement.

Mechanical parts such as nuts and studs are often required to be subjected to annealing, pickling, drawing, forming, rolling, heat treatment, surface treatment, welding and other processes in the production process. After the welding of the mechanical parts is completed, the mechanical parts need to be subjected to pre-torsion detection so as to ensure the safety of the use of the mechanical parts. The existing mode for detecting mechanical parts generally comprises the steps that a worker holds an electric screwdriver in hand and twists a detection head into the mechanical parts, and a torsion measuring instrument is used for measuring the torsion of the corresponding mechanical parts, so that the problems of low efficiency, high labor intensity, low safety coefficient and the like exist.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a torsion detecting machine with high safety factor and high detection efficiency. Therefore, the utility model provides a technical scheme as follows:

a torsion detecting machine for detecting torsion of a workpiece on a product, comprising:

the conveying module comprises a transferring assembly and at least two jig assemblies arranged on the transferring assembly, the jig assemblies are used for placing the products, and the products are transferred among the detection station and the feeding and discharging station through the transferring assembly;

the feeding and discharging module is arranged on one side of the feeding and discharging station and comprises a feeding assembly and a transfer assembly, the feeding assembly is used for conveying the product, and the transfer assembly is arranged between the transferring assembly and the feeding assembly and used for transferring the product between the transferring assembly and the feeding assembly;

and the detection module is arranged on one side of the detection station and is used for detecting the torsion of the workpiece.

In at least one embodiment, wherein the transfer assembly comprises:

a motor;

and the rotating seat is connected to the motor and used for placing the jig assembly and is driven by the motor to rotate.

In at least one embodiment, the transfer assembly further comprises:

and the torsion corrector is arranged on the rotating seat and used for correcting the detection module.

In at least one embodiment, the feeding assembly in the feeding and discharging module comprises:

a first rotary cylinder;

the rotating part is connected to the first rotating cylinder; and

and the feeding piece is arranged on the rotating piece and used for placing the product.

In at least one embodiment, the transfer component in the loading and unloading module includes:

a mounting seat;

the first cylinder seat is arranged above the mounting seat;

one end of the second cylinder is fixedly arranged, and the other end of the second cylinder is connected with the first cylinder seat;

one end of the guide piece is connected to the first cylinder seat, and the other end of the guide piece penetrates through the mounting seat and is driven by the second cylinder to do linear motion;

the third cylinder is connected with one end of the guide piece penetrating through the mounting seat;

the suction piece is fixed on the third air cylinder and can rotate under the driving of the third air cylinder;

the fourth cylinder is arranged at the bottom of the mounting seat; and

and the first push block is connected with the fourth cylinder and is driven by the fourth cylinder to do linear motion so as to realize the opening and closing of the jig assembly.

In at least one embodiment, wherein the jig assembly comprises:

the bottom plate is fixed on the transfer assembly;

the two fixed stop blocks are arranged at two adjacent side edges of the bottom plate;

the first movable clamping block and the second movable clamping block are respectively and movably connected to the other two side edges of the bottom plate and are used for clamping and positioning the product together with the two fixed stop blocks.

In at least one embodiment, wherein the first movable clamp block comprises:

the two guide blocks are inserted into the bottom plate in a sliding manner;

the first fixing plate is connected with one end of the guide block and used for clamping the product;

the second push block is connected with the other end of the guide block;

one end of the first guide shaft is connected to the second push block, and the other end of the first guide shaft is connected with the bottom plate in a sliding manner;

the first spring is sleeved on the first guide shaft and arranged between the second push block and the bottom plate.

In at least one embodiment, a fourth cylinder and a first push block are arranged on the transfer assembly; and at the feeding and discharging station, a second push block in the jig assembly is adjacent to the first push block, and the first push block can push the second push block to move under the driving of the fourth cylinder.

In at least one embodiment, a chute is formed on the guide block adjacent to the second movable clamping block.

In at least one embodiment, the second movable clamp block comprises:

one end of the push rod is matched with the shape of the chute and is inserted into the chute;

the second fixing plate is fixed at the other end of the push rod and used for clamping the product;

one end of the second guide shaft is connected with the second fixing plate, and the other end of the second guide shaft is connected with the bottom plate in a sliding manner;

and the second spring is sleeved on the second guide shaft and arranged between the second fixing plate and the bottom plate.

In at least one embodiment, the detection module comprises:

the moving platform is arranged on one side of the detection station and used for driving the imaging assembly and the detection assembly to move;

the imaging assembly is arranged on the moving platform, is arranged above the jig assembly and is used for detecting the position of the workpiece and feeding back the position to the moving platform; and

and the detection assembly is arranged on the motion platform and used for detecting the torsion of the workpiece.

In at least one embodiment, wherein the imaging assembly comprises:

the camera is arranged on the motion platform and used for acquiring the accurate position of the workpiece;

a lens connected to the camera; and

the light-emitting piece is arranged at the end part of the lens and provides a light source for photographing by the camera.

In at least one embodiment, wherein the detection component comprises:

the driving piece is arranged on the motion platform;

the connecting piece is connected with the driving piece and driven by the driving piece;

the rotating shaft is connected with the connecting piece and driven by the connecting piece to rotate; and

the detection head is connected to the rotating shaft, is matched with the structure of the workpiece and is used for contacting and detecting the torsion of the workpiece.

In at least one embodiment of the present invention,

each product comprises at least two workpieces;

the detection stations comprise at least two, and the feeding and discharging station and the at least two detection stations are circularly arranged around the conveying module;

the conveying module comprises at least three jig components, and the number of the jig components is equal to the sum of the number of the detection stations and the number of the feeding and discharging stations.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the utility model provides a torsion detects machine realizes the material loading and the unloading of the product that awaits measuring through the pay-off subassembly of going up in the unloading module to the product on with the pay-off subassembly through the transfer subassembly of going up in the unloading module forwards the tool subassembly, and the tool subassembly can press from both sides tightly and fix a position the product that awaits measuring, and carry the product that awaits measuring to different stations under the drive of transporting the subassembly, so that the torsion of work piece on the detection module detection product of locating different stations. The utility model discloses the setting of well automatic detection and multistation can improve greatly and go up unloading efficiency, improves and detects the precision, promotes detection efficiency, reduces the cost of labor, and fungible manual detection under the environment harmful, dangerous to the human body.

(2) The utility model discloses in through last unloading module, can conveniently realize the last unloading of awaiting measuring product and detection back product, through the setting of piece and third cylinder of combining of inhaling, can conveniently go up unloading operation, reduce the human cost, improve and go up unloading efficiency. Furthermore, the utility model discloses well tool subassembly is equipped with two activity clamp blocks and two fixed dogs, through the special design of two activity clamp blocks, can conveniently realize opening and shutting of tool to the convenient pine of accomplishing the product is pressed from both sides.

(3) The utility model discloses well detection module is provided with motion platform, cooperates formation of image subassembly and determine module simultaneously, and motion platform drives formation of image subassembly and determine module motion, can cover all detection areas and in the accurate work piece that awaits measuring of location in the detection area, can improve detection precision and detection efficiency greatly.

Drawings

Fig. 1 is a schematic diagram of a torsion detector according to an embodiment.

Fig. 2 is a schematic view of a torsion detecting machine according to another embodiment.

Fig. 3 is a schematic view of the loading and unloading module shown in fig. 1.

Fig. 4 is a schematic view of the feed assembly shown in fig. 3.

Fig. 5 is a right side view of the relay assembly shown in fig. 3.

Fig. 6 is a schematic position diagram of the transport module and the fourth cylinder shown in fig. 1.

Fig. 7 is a top view of the conveyor module shown in fig. 6.

Fig. 8 is a top view of the jig assembly shown in fig. 6.

Fig. 9 is a front view of the jig assembly shown in fig. 6.

Fig. 10 is a bottom view of the internal structure of the jig assembly shown in fig. 8.

FIG. 11 is a schematic diagram of the detection module shown in FIG. 1.

FIG. 12 is a schematic view of the imaging assembly and the detection assembly shown in FIG. 11.

Description of the main elements

Torsion detector 100

Loading and unloading module 10

Feeding assembly 11

First rotary cylinder 111

Rotating member 112

Feeding member 113

The relay module 12

First cylinder block 120

Mounting seat 121

A second cylinder 122

Guide 123

Second cylinder block 124

Third cylinder 125

The engaging member 126

First push block 127

Fourth cylinder 128

Transport module 20

Jig assembly 30

Bottom plate 31

Fixed stop 32

First movable clamping block 33

Guide block 331

Chute 3311

First fixing plate 332

Second push block 333

First guide shaft 334

First spring 335

Second movable clamp block 34

Push rod 341

Second fixing plate 342

Second guide shaft 343

Second spring 344

Transporter assembly 40

Motor 41

Rotary seat 42

Torsion corrector 43

Detection module 50

Motion platform 51

X-axis motion system 511

Y-axis motion system 512

Z-axis motion system 513

Imaging assembly 52

Camera connecting plate 521

Camera 522

Lens 523

Illuminating member 524

Detection assembly 53

Driving member mounting base 531

Driving member 532

Connecting member 533

Rotating shaft 534

Detection head 535

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The utility model provides a torsion detects machine through transport module, last unloading module and detection module mating reaction, can realize detecting the high accuracy of the product that awaits measuring. The conveying module can convey a product to be detected to any feeding and discharging station or detection station, and can detect workpieces at various positions on the product at one time. Through setting up special unloading module of going up, can conveniently realize the last unloading of product, can accomplish the material loading and the unloading operation of product simultaneously, work efficiency improves greatly.

Fig. 1 is a schematic structural diagram of a torque force detecting machine 100 for detecting a torque force of a workpiece on a product according to the present embodiment, which includes: the conveying module 20 comprises a transferring assembly 40 and at least two jig assemblies 30 arranged on the transferring assembly 40, wherein the jig assemblies 30 are used for placing products, and the products are transferred among the detection station and the loading and unloading station through the transferring assembly 40; the automatic feeding and discharging device comprises a feeding and discharging module 10, a discharging and discharging station and a transferring module 12, wherein the feeding module 11 is arranged on one side of the feeding and discharging station and comprises a feeding component 11 and a transferring component 12, the feeding component 11 is used for conveying products, and the transferring component 12 is arranged between a transferring component 40 and the feeding component 11 and used for transferring the products between the transferring component 40 and the feeding component 11; the torsion detecting device further comprises a detecting module 50, wherein the detecting module 50 is arranged on one side of the detecting station and is used for detecting torsion of the workpiece.

In this embodiment, the workpiece to be measured is a weld nut. The torsion detection machine 100 realizes the loading and unloading of products through the feeding component, transfers the products on the feeding component to the jig component 30 through the transfer component, and the jig component 30 clamps and positions the products, and conveys the products to different stations under the driving of the transfer component 40, so as to complete the detection and loading and unloading of the products.

It should be understood that in the development of this embodiment, the workpiece includes, but is not limited to, a nut with internal threads, a stud with external threads, or a nut, a stud or the like with other structures, and the workpiece needs to be fixed with the product, so that the fixture assembly 30 clamps the product to fix the workpiece, and the detection module is convenient to detect the workpiece.

It should be understood that, in a specific embodiment, the number of the loading and unloading modules 10 and the number of the detection modules 50 may be set according to actual needs, so as to meet the detection needs of the workpieces on the product.

For example, fig. 2 shows another embodiment of the present invention that includes three detection modules 50 and one loading and unloading module 10. To the product that contains a plurality of different specifications work pieces that await measuring, this scheme can set up different detection heads respectively at three detection station, therefore can realize three detection station simultaneous working, and detection to all work pieces on the product can be accomplished once only to same product only need the material loading, can improve detection efficiency greatly, need not to change and detect the head.

For products containing workpieces to be detected with the same specification, the workpieces to be detected in three different areas on the products can be detected through the three detection stations, so that the movement distance of each detection head is reduced, the detection efficiency is improved, and the matching with subsequent processes is facilitated.

Through above-mentioned scheme, same product rotates a week on transporting subassembly 40, can realize carrying out torsion detection to the work piece that awaits measuring of a plurality of positions on the product, and the number of detection station can carry out concrete setting according to the specification of work piece on the product, the distribution position of work piece.

It can be understood that in other embodiments, in order to increase the detection efficiency of the workpiece to be detected, the number of the detection stations needs to be at least two. When a plurality of workpieces to be detected with different specifications are contained on a product, at least two detection stations can be arranged, and different detection heads are arranged on each detection station so as to detect the workpieces to be detected of the same type on the product, and the detection stations work simultaneously, so that the detection efficiency is greatly improved, and the detection heads do not need to be replaced. When a product contains a plurality of workpieces to be detected with the same specification, a plurality of detection stations detect the workpieces to be detected on the product in regions simultaneously, so that the detection range of each detection station is reduced, and the detection efficiency is improved. In specific implementation, the loading and unloading station and the at least two detection stations are circularly arranged around the conveying module 20. For guaranteeing detection efficiency, the number of jig components 30 should equal the total number of detection station and last unloading station, therefore, carry module 20 in these embodiments to need to include at least three jig components 30 to realize that the product on jig components 30 shifts between detection station, last unloading station through transporting the subassembly.

Fig. 3 shows a structure of the loading and unloading module 10 provided in this embodiment. The feeding and discharging module 10 comprises a feeding component 11 and a transfer component 12, wherein the feeding component 11 is arranged on the outer side of the transfer component 12 to convey a product to be detected to the transfer component 12 for feeding, and convey the detected product for discharging. The transfer component 12 is arranged on the inner side of the feeding component 11 to receive and transfer the product to be detected. In this embodiment, the outer side refers to the side relatively away from the transfer module 40 (see FIG. 1) and the inner side refers to the side relatively close to the transfer module 40. It is understood that the number of the loading and unloading modules 10 may be multiple, and a plurality of loading and unloading modules 10 may be distributed around the conveying module 20.

Fig. 4 is a schematic view of the feeding assembly 11 shown in fig. 3, wherein the feeding assembly 11 includes a first rotary cylinder 111, a rotating member 112 and a feeding member 113, and the rotating member 112 is connected to the first rotary cylinder 111 and is driven by the first rotary cylinder 111 to rotate. In this embodiment, in order to realize two products feeding and unloading respectively simultaneously, there are two feeding members 113, and two feeding members 113 are symmetrically arranged at two ends of the rotating member 112, and are used for placing the products and are driven by the first rotating cylinder 111 to rotate. It should be understood that the first rotary cylinder 111 is a power source for driving the rotary member 112 to rotate, and the invention is not limited thereto, and any component or structure can be used as a power source for driving the rotary member 112 to rotate.

It should be understood that the number of the feeding members 113 is not limited thereto, for example, in another embodiment, the rotating member 112 is a disc structure, the feeding members 113 are multiple, and the multiple feeding members 113 are fixed on the rotating member 112 and can be driven by the first rotating cylinder 111 to rotate, so as to feed and discharge multiple products.

In this embodiment, the rotating member 112 is substantially a long straight plate, and the middle portion of the rotating member 112 is rotatably connected to the first rotating cylinder 111. It is understood that the shape and type of the rotating member 112 are not limited thereto, and any device or structure can be used to rotate the feeding member 113.

In this embodiment, the feeding member 113 is substantially a disc-shaped structure, and the inner structure thereof is adapted to the structure of the product to be tested for placing the product to be tested.

It is understood that the feeding member 113 and the rotating member 112 can be connected in various manners, and can be fixedly connected or movably connected. In one embodiment, the two ends of the rotating member 112 are provided with screw holes, the feeding members 113 are symmetrically disposed at the two ends of the rotating member 112, and the feeding members 113 are screwed with the rotating member 112, so that different feeding members 113 can be replaced when the products to be detected are different. As another example, in another embodiment, the feeding member 113 is integrally formed at both ends of the rotating member 112 for feeding a product of a specific structure.

Fig. 5 is a right side view of the transfer assembly 12 shown in fig. 3, with the transfer assembly 12 disposed between the transfer assembly 40 and the feed assembly 11 for transferring product between the transfer assembly 40 and the feed assembly 11 (see fig. 1). The relay assembly 12 includes a first cylinder seat 120, a mounting seat 121, a second cylinder 122, a guide member 123, a second cylinder seat 124, a third cylinder 125, a suction member 126, a first push block 127, and a fourth cylinder 128. The first cylinder seat 120 is located above the mounting seat 121, and the second cylinder 122 is disposed on the first cylinder seat 120. In this embodiment, the second cylinder 122 is fixed to the housing of the whole device, and the output end thereof is connected to the first cylinder seat 120 to drive the first cylinder seat 120 to move. The number of the guide members 123 may be set as needed, and the driving force of the second cylinder 122 may be transmitted to the second cylinder block 124. In order to achieve even transmission of the driving force on the second cylinder block 124, the number of the guiding elements 123 may be multiple, for example, 4 guiding elements 123 are provided in the present embodiment, 4 guiding elements 123 penetrate the top of the mounting block 121, and both ends of the guiding elements 123 are respectively connected to the first cylinder block 120 and the second cylinder block 124, a third cylinder 125 is connected to the second cylinder block 124, and a suction element 126 is fixed below the third cylinder 125. When the second cylinder 122 drives the first cylinder base 120 to move vertically, the first cylinder base 120 drives the plurality of guide members 123 to move vertically, so that the guide members 123 drive the third cylinder 125 and the suction member 126 to move vertically.

When the first rotary cylinder 111 (see fig. 4) drives the feeding member 113 to rotate below the suction member 126 through the rotating member 112, the second cylinder 122 drives the suction member 126 to move downward through the first cylinder seat 120 and the guide member 123, in this embodiment, in order to simultaneously realize the feeding and discharging of two products, the suction member 126 includes two suction members symmetrically arranged, the two suction members 126 can respectively adsorb the product to be measured on the feeding member 113 and the product measured on the jig assembly 30, and the rotary exchange is performed under the driving of the third cylinder 125, thereby simultaneously completing the feeding and discharging of the two products. If only one suction element 126 is provided in other embodiments, only one operation of feeding or discharging can be performed independently.

In this embodiment, the fourth cylinder 128 is disposed at the bottom of the mounting seat 121, an output end of the fourth cylinder 128 is connected to the first pushing block 127, and the fourth cylinder 128 can push the first pushing block 127 to move linearly, so that the opening and closing of the treatment tool assembly 30 at the loading and unloading station can be realized by the movement of the first pushing block 127 because the first pushing block 127 is disposed adjacent to the treatment tool assembly 30 (see fig. 6) at the loading and unloading station.

In this embodiment, the guiding element 123 may be one or more guiding rods, and the guiding element 123 penetrates through the top of the mounting base 121, and is driven by the second cylinder 122 to move up and down and drive the third cylinder 125 to lift. Specifically, the guide member 123 may be sleeved in a guide sleeve, the guide sleeve is fixedly disposed on the mounting seat 121, and protects the guide member 123, and the guide member 123 may move up and down in the guide sleeve.

Be equipped with the reference column on the piece 126 that draws, the piece 126 that draws through the accurate product that detects on the reference column snatchs pay-off 113 to under the drive of third cylinder 125, drive and detect that the product rotates 180 degrees to on the tool subassembly 30 of unloading station. It is to be understood that the type of the attraction member 126 is not limited thereto, and any structure or means that can grasp the weld nut to be detected may be used.

The utility model discloses an among other embodiments, still include collection equipment (not shown), it is fixed in the product and goes up unloading department for the collection waits to detect coding information such as two-dimensional code or bar code of product, when containing a plurality of welded nut that await measuring in the product, can take notes each welded nut's in this product testing result, and save it under same code, convenient follow-up looking over.

Fig. 6 shows a position diagram of the transport module 20 and the fourth cylinder 128 in this embodiment.

Wherein, carry module 20 including transport subassembly 40 and set up two at least tool subassemblies 30 on transporting subassembly 40, tool subassembly 30 is used for placing the product to realize through transporting subassembly 40 that the product shifts between detection station, the unloading station of going up. The transferring assembly 40 includes a motor 41, a rotating base 42 and a torsion corrector 43, the rotating base 42 is connected to the motor 41 and is driven to rotate by the motor 41, and the torsion corrector 43 is arranged on one side of the rotating base 42. The bottom of the rotary seat 42 is further provided with a supporting device, and the rotary seat 42 is rotatably connected with the supporting device. In this embodiment, there are four jig assemblies 30, the four jig assemblies 30 are fixed on the rotary base 42 at intervals of 90 degrees, and the jig assemblies 30 rotate along with the rotary base 42 to respectively drive the product to rotate between three detection stations and one loading and unloading station.

As can be seen in fig. 6, the fourth cylinder 128 and the first push block 127 are disposed adjacent to the jig assembly 30 at the loading and unloading station. The first pushing block 127 is connected with the fourth cylinder 128, and can be driven by the fourth cylinder 128 to move linearly, so as to open and close the treatment tool assembly 30 at the loading and unloading station. The motor 41 is used for driving the rotary seat 42 to rotate, and it is understood that the motor 41 can be any structure or device that can be used as a power source and can drive the rotary seat 42 to rotate.

After the detection module continues to work for a period of time, the tested torque value is slightly different from the set torque value, and needs to be corrected. In this embodiment, a torsion corrector 43 is fixed on the rotary base 42, and the torsion corrector 43 can rotate along with the rotation of the rotary base 42 and can move to any detection station to correct the detection module at the station. The torsion correcting instrument is provided with a correcting head matched with the detection head structure, and the special structure of the correcting head enables the detection head to be in close contact with the detection head and fixed, so that torsion correction is realized.

Fig. 7 is a top view of the conveyor module 20 shown in fig. 6. In this embodiment, the rotary base 42 is substantially a "+" shaped plate, and the jig assemblies 30 are respectively fixed at 90 degrees on the "+" four ends, so that when the rotary base 42 rotates, the four jig assemblies 30 are driven to rotate to enter different stations. It is to be understood that the shape of the rotary base 42 is not limited thereto. In other embodiments, the rotating base 42 is a circular plate or other shape capable of carrying the jig assembly 30.

Fig. 8 is a top view of the jig assembly 30 shown in fig. 6, and in fig. 8, the jig assembly 30 includes a bottom plate 31, a fixed stopper 32, a first movable block 33, and a second movable block 34. The bottom plate 31 is fixed on the transfer component 40, the number of the fixed stoppers 32 is two, the two fixed stoppers 32 are arranged at two adjacent side edges of the bottom plate 31, the first movable clamping block 33 is movably connected at one side edge of the bottom plate 31, and the second movable clamping block 34 is movably connected at the other side edge of the bottom plate 31. Fig. 9 is a front view of the jig assembly 30, and it can be seen from fig. 9 that the two fixed stoppers 32, the first movable clamping blocks 33 and the second movable clamping blocks 34 can clamp and position the product to be detected together.

As seen in fig. 8, the first movable clamping block 33 of the jig assembly 30 includes a guide block 331, a first fixing plate 332, a second pushing block 333, a first guide shaft 334 and a first spring 335. The present embodiment includes two guide blocks 331, the two guide blocks 331 are inserted into the bottom plate 31 and can slide in the bottom plate 31, one end of the guide block 331 is fixed on the first fixing plate 332, and the other end is connected to the second pushing block 333. The second pushing block 333 is further connected with the first guide shafts 334, and the number of the first guide shafts 334 is at least 1, which can be set as required. One end of the first guide shaft 334 is inserted into the bottom plate 31 and can slide in the bottom plate 31, the other end is fixed on the second pushing block 333, a first spring 335 is surrounded on the first guide shaft 334, two ends of the first spring 335 are respectively fixed on the second pushing block 333 and the bottom plate 31, and the number of the first spring 335 is determined according to the first guide shaft 334. It should be understood that the first fixed plate 332 is the first movable clamping block 33 for the primary clamping function, and the second pushing block 333 is only for the secondary pushing function. Therefore, the utility model discloses regard as first activity clamp splice 33 place side with one side that first fixed plate 332 is located on bottom plate 31, first activity clamp splice 33 can be held the location with two fixed stop 32 and the second activity clamp splice 34 that are located other three sides jointly and wait to detect the product.

Referring to fig. 6, the fourth cylinder 128 and the first push block 127 are disposed adjacent to the second push block 333 of the jig assembly 30, and the second push block 333 can be pushed by the first push block 127 under the pushing of the fourth cylinder 128. At this time, the guide block 331 may drive the first fixing plate 332 to be away from the jig base plate when the fourth cylinder 128 pushes the second pushing block 333 to move, so that the jig is released and no longer clamps the product. The first spring 335 on the first guiding axle 334 is used to drive the second pushing block 333 to move by means of elasticity when the piston rod of the fourth cylinder retracts, so as to drive the first fixing plate 332 to approach the bottom plate of the jig, thereby clamping the product.

Fig. 10 is a bottom view of the internal structure of the jig assembly 30, which shows that the present embodiment includes two guide blocks 331, a chute 3311 is further formed on the guide block 331 near the second movable clamping block 34, and one end of the second movable clamping block 34 is inserted into the chute 3311, so that the first movable clamping block 33 and the second movable clamping block 34 are linked.

As seen in fig. 10, the second movable clamp block 34 includes a push rod 341, a second fixing plate 342, a second guide shaft 343, and a second spring 344. One end of the push rod 341 is inserted into the inclined slot 3311, and the other end is fixedly connected to the second fixing plate 342. The second fixing plate 342 is used for clamping and positioning the product with the two fixed stoppers 32 and the first fixing plate 332.

One end of the second guide shaft 343 is fixedly connected to the second fixing plate 342, the other end is inserted into the bottom plate 31 and can slide in the bottom plate 31, the second spring 344 surrounds the second guide shaft 343, and the number of the second spring 344 is determined according to the second guide shaft 343. The second spring 344 is fixed at both ends thereof to the second fixing plate 342 and the base plate 31, respectively. When the fourth cylinder 128 no longer provides the pushing force, the second spring 344 pulls the second fixing plate 342 to move, so that the second fixing plate drives the push rod 341 to further insert into the chute 3311, thereby completing the clamping of the second movable clamping block 34 on the product.

It should be understood that when the fourth cylinder 128 (see fig. 6) drives the first movable clamping block 33 and the second movable clamping block 34 to be completely pushed open, the end of the push rod 341 is still inserted into the inclined groove 3311 to facilitate the push rod 341 to be inserted into the inclined groove 3311 again under the action of the second spring 344 when the fourth cylinder 128 loses the driving force. It will be appreciated that the type of first movable clamping block 33 and second movable clamping block 34 is not limited thereto, as any structure or device may be used to clamp the product to be inspected.

Fig. 11 shows a schematic structural diagram of the detection module 50 in this embodiment, where the detection module 50 includes a moving platform 51, an imaging component 52, and a detection component 53, and the moving platform 51 is used to drive the imaging component 52 and the detection component 53 to move. The imaging component 52 is arranged on the moving platform 51 and located at the upper end of the jig component 30, and is used for detecting the specific position of the welding nut to be detected and feeding back the position to the moving platform 51, so that the moving platform 51 can accurately move to the upper end of the welding nut to be detected. The detecting component 53 is disposed on the moving platform 51 and used for detecting the torque of the welding nut on the jig component 30. In this embodiment, the number of the detection modules 50 is three, and the three detection modules are respectively located on the periphery of the torsion detecting apparatus 100.

The moving platform 51 comprises an X-axis moving system 511, a Y-axis moving system 512 and a Z-axis moving system 513, wherein the X-axis moving system 511, the Y-axis moving system 512 and the Z-axis moving system 513 are all electrically connected with a control system (not shown), so that after the imaging component 52 detects the specific coordinates of the welding nut to be detected, the control system controls the X-axis moving system 511 and the Y-axis moving system 512 to move to corresponding positions according to the coordinates of the welding nut, and then controls the Z-axis moving system 513 to move until the detection component 53 contacts with the welding nut to be detected and detects the torsion of the welding nut to be detected.

Fig. 12 shows the structures of the imaging assembly 52 and the detecting assembly 53 in this embodiment, in which the imaging assembly 52 includes a camera connecting plate 521, a camera 522, a lens 523 and a light emitting element 524, the camera connecting plate 521 is fixed on the Z-axis motion system 513, the camera 522 is fixed on the camera connecting plate 521, the lens 523 is connected to the camera 522, and the light emitting element 524 is disposed at an end of the lens 523 to provide a light source for the camera 522 to take a picture. The camera 522 is used for shooting specific coordinates of the welding nut to be detected and uploading the coordinates to the control system, and the light-emitting member 524 is an annular coaxial light source. It is to be understood that the type of the illuminating member 524 is not limited thereto, and any device that can illuminate the product to be detected may be used.

The detection assembly 53 includes a driving member mounting base 531, a driving member 532, a connecting member 533, a rotating shaft 534, and a detection head 535, wherein the driving member 532 mounting plate is fixed on the Z-axis motion system 513 and is disposed adjacent to the camera connecting plate 521. The driving member 532 is fixed on the mounting plate of the driving member 532, one end of the connecting member 533 is connected to the driving member 532, the other end is connected to the rotating shaft 534, and the rotating shaft 534 is provided with the detecting head 535. The detecting head 535 includes, but is not limited to, a drill bit, etc., and in this embodiment, the detecting head 535 can rotate into the threaded hole of the weld nut to be detected and detect the pre-torsion of the weld nut to be detected.

The detection head 535 should match the structure of the workpiece to be detected, for example, when the workpiece to be detected is a nut with internal threads, the detection head 535 has external threads and can extend into the nut for detection; when the workpiece to be detected is a stud with external threads, the detection head 535 has internal threads and can be sleeved on the outer surface of the stud for detection, and when the workpiece to be detected is of other structures, such as a hexagonal nut or a hexagonal stud, the detection head is matched with the structure of the workpiece and can be in close contact with and fixed on the workpiece so as to detect the torsion of the workpiece.

It is to be understood that the drive member 532 can include, but is not limited to, an electric screwdriver, a drill, etc., and can provide power and transmit power to the detection head 535 via the connection member 533.

The connecting member 533 is used to connect the driving member 532 and the detecting head 535, and transmit the power of the driving member 532 to the detecting head 535, so that the detecting head 535 contacts with the workpiece to be detected and detects the torsion of the workpiece to be detected. For example, the connecting member 533 can be a connecting shaft, a connecting column, etc., and it is understood that the type of the connecting member 533 is not limited thereto, and any device can transmit the power of the driving member 532 to the detecting head 535.

The utility model discloses a concrete implementation scheme operation flow as follows: during operation, at the material loading and unloading station, a product to be measured is firstly placed on the first feeding piece 113 at the outer side, and at the moment, a measured product is placed on the second feeding piece 113 at the inner side. The first rotary cylinder 111 drives the rotary member 112 to rotate 180 degrees, at this time, the first feeding member 113 located at the outer side rotates to the lower end of the suction member 126 for feeding, and the second feeding member 113 located at the inner side rotates to the outer side for feeding.

The second cylinder 122 drives the third cylinder 125 to descend through the guide 123, the two suction members 126 descend and suck the product to be measured on the feeding member 113 and the product measured on the jig assembly 30, the second cylinder 122 drives the third cylinder 125 to ascend through the guide 123, and the suction members 126 ascend along with the third cylinder 125. Then the third cylinder 125 drives the absorbing member 126 to rotate 180 degrees, so as to realize the rotary exchange between the product to be detected and the product after detection. The third cylinder 125 drives the suction member 126 to descend, the suction member 126 is loosened to complete feeding and discharging of two products, at this time, the product to be detected is placed on the jig assembly 30, and the detected product is placed on the first feeding member 113 to complete feeding and discharging of the two products. The second cylinder 122 moves to drive the third cylinder 125 and the absorbing member 126 to ascend, and prepare for the next feeding and discharging.

Then the motor 41 drives the rotary seat 42 to sequentially transfer the products placed on the jig assembly 30 to the three detection stations. At the three detection stations, the camera 522 respectively takes pictures and records specific coordinates of a workpiece to be detected on a product to be detected and uploads the coordinates to the control system, the control system drives the X-axis motion system 511 and the Y-axis motion system 512 to operate to specified coordinates, then the Z-axis motion system 513 is controlled to move downwards until the detection head 535 is twisted into the workpiece on the product to be detected and the torsion of the workpiece is detected, when the pre-torsion is reached, the pressure is maintained for a period of time, the driving part 532 rotates reversely, the detection head 535 is driven to withdraw from the workpiece, and the torsion measurement is completed. The product which is measured rotates to the feeding and discharging station along with the rotary seat 42, and is ready for feeding operation. The torsion detection machine that this embodiment provided can realize automated inspection, and the setting of multistation makes the detection of work piece torsion not only the precision high, efficient moreover.

In addition, those skilled in the art should recognize that the above embodiments are illustrative only, and not limiting, and that suitable modifications and variations to the above embodiments are within the spirit and scope of the invention as claimed.

Claims

1. A torsion detection machine for detecting torsion of a workpiece on a product, comprising:

2. The torsion detecting machine according to claim 1, wherein the feeding assembly in the feeding and discharging module comprises:

a first rotary cylinder;

the rotating part is connected to the first rotating cylinder; and

3. The torsion detecting machine according to claim 1, wherein the transfer assembly in the loading and unloading module includes:

a mounting seat;

the first cylinder seat is arranged above the mounting seat;

the fourth cylinder is arranged at the bottom of the mounting seat; and

4. The torsion detecting machine according to claim 1, wherein the jig assembly includes:

the bottom plate is fixed on the transfer assembly;

5. The torsion detection machine according to claim 4, wherein the first movable clamp block comprises:

the two guide blocks are inserted into the bottom plate in a sliding manner;

the second push block is connected with the other end of the guide block;

6. The torsion detecting machine according to claim 5, wherein a fourth cylinder and a first push block are arranged on the transfer assembly;

and at the feeding and discharging station, a second push block in the jig assembly is adjacent to the first push block, and the first push block can push the second push block to move under the driving of the fourth cylinder.

7. The torque force detection machine according to claim 5, wherein a chute is formed on the guide block adjacent to the second movable clamping block.

8. The torsion detecting machine according to claim 7, wherein the second movable clamp block includes:

9. The torsion detection machine according to claim 1, wherein the transfer assembly comprises:

a motor;

10. The torsion detection machine according to claim 9, wherein the transfer assembly further comprises:

11. The torsion detection machine according to claim 1, wherein the detection module comprises:

12. The torsion detection machine according to claim 11, wherein the imaging assembly comprises:

a lens connected to the camera; and

13. The torsion detection machine according to claim 12, wherein the detection assembly comprises:

the driving piece is arranged on the motion platform;

14. The torsion detecting machine according to claim 1,

each product comprises at least two workpieces;