CN211217567U

CN211217567U - High-precision automatic testing machine

Info

Publication number: CN211217567U
Application number: CN201921947320.2U
Authority: CN
Inventors: 倪兴川; 倪雄鹏
Original assignee: Zhejiang Shengyue Electronic & Technological Co ltd
Current assignee: Zhejiang Shengyue Electronic & Technological Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-11
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a high-precision automatic testing machine, which comprises a conveying assembly (1), wherein a pre-electrifying component (2), a magnetic pole detection component (3), a first screening component (4) for rejecting products with wrong magnetic poles, a comprehensive detection component (5) for detecting the current and the rotating speed of a motor, a second screening component (6) for rejecting products with bad current and a third screening component (7) for rejecting products with bad rotating speed are sequentially arranged beside the conveying assembly (1) along the conveying direction; its advantages are automatic detection of motor, high efficiency and high accuracy.

Description

High-precision automatic testing machine

Technical Field

The utility model relates to a detection device especially relates to high accuracy automatic test machine.

Background

The small motor is widely applied due to small volume and low price, and along with the continuous improvement of the production efficiency of the motor, the quality detection efficiency of the motor also needs to be continuously improved, so that a detection device capable of automatically detecting the magnetic pole of the motor, the running current of the motor and the rotating speed of the motor is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a high accuracy automatic test machine that can automated inspection motor magnetic pole, electric current and rotational speed simultaneously is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the high-precision automatic testing machine is characterized by comprising a conveying assembly, wherein a pre-electrifying component, a magnetic pole detecting component, a first screening component for rejecting products with magnetic poles in error, a comprehensive detecting component for detecting the current and the rotating speed of a motor, a second screening component for rejecting products with poor current and a third screening component for rejecting products with poor rotating speed are sequentially arranged beside the conveying assembly along the conveying direction. The conveying assembly is used for conveying products, the pre-electrifying component is used for pre-electrifying the products to reduce the influence of unsmooth reduction on subsequent detection when the motor is electrified for the first time, the magnetic pole detection component detects whether the magnetic pole in the motor is reversely arranged, the first screening component screens out defective products detected by the magnetic pole detection component, the comprehensive detection component detects the running current and the rotating speed of the motor, and the second screening component and the third screening component screen out and separately store the detected defective products in the comprehensive detection component.

Compared with the scheme, the pre-electrifying component comprises two groups of first electrifying components, the first electrifying components are respectively positioned at two sides of the conveying component, the conveying component is provided with a rotation component corresponding to the pre-electrifying components, the rotation component comprises a third driving device, the third driving device is connected with a sliding plate, and the sliding plate is fixedly connected with two groups of sliding grooves which are parallel to each other and are the same. The pre-energizing part is provided with two sets of first energizing parts and replaces the motor by the alternating parts to increase the pre-energizing efficiency of the motor.

Compared with the scheme, the conveying assembly is further improved, the conveying assembly comprises a front conveying component, two groups of rear conveying components are connected to the rear end of the front conveying component, the pre-electrifying component is connected with the front conveying component, and each group of rear conveying components is connected with a magnetic pole detecting component, a first screening component, a comprehensive detecting component, a second screening component and a third screening component. The two groups of rear conveying components increase the detection efficiency of the rear conveying components to adapt to the speed of the pre-electrifying component, and the detection efficiency of the equipment is increased as much as possible.

Compared with the scheme, the improved structure is further improved, the rear conveying component is connected with a moving component, the moving component comprises a first driving device, the first driving component is connected with a mounting plate, the first driving device drives the mounting plate to move perpendicular to the movement direction of the product, a second driving device is fixedly connected onto the mounting plate, the second driving device is connected with a material shifting plate, a material shifting opening matched with the shape of the product is formed in the material shifting plate, and the position of the material shifting opening is matched with the position of each component.

Compared with the scheme, the conveying assembly is further improved, the conveying assembly is provided with blanking ports at positions corresponding to the first screening component, the second screening component and the third screening component respectively, and the first screening component, the second screening component and the third screening component are identical in structure; the first screening part comprises a base, a supporting block is connected to the position, corresponding to a blanking port, of the base in a sliding mode, a supporting plate is arranged on the supporting block, the supporting plate extends into a sliding groove, a first through hole is formed in the supporting block, a first inclined plane is arranged at the position, corresponding to the first through hole, of the supporting block, one side, close to the first through hole, of the first inclined plane is low, a pressing rod is connected to the position, corresponding to the first inclined plane, of the base in a sliding mode, a second inclined plane which is matched with the first inclined plane is arranged on the pressing rod and is connected with the first inclined plane of the supporting block through the second inclined plane, an elastic object is connected to the lower end face of the pressing rod, the lower end of the elastic object is connected with the frame, and a fourth driving device which drives the pressing rod to move downwards is fixedly connected to the upper end.

Compared with the scheme, the improved structure is further improved, a connecting block 44 is arranged between the elastic object and the pressure rod, the lower end of the connecting block 44 is connected with the elastic object, the upper end face of the connecting block 44 is connected with the lower end face of the support block, and an ejector rod is arranged on the upper end face of the connecting block 44 and penetrates through the first hole and is connected with the lower end face of the pressure rod.

Compared with the prior art, the utility model has the advantages that the device is pre-electrified by the pre-electrifying component to increase the smoothness of the motor during the rear end detection; the defective products are separately collected according to the detected problems, so that the subsequent treatment of products with different problems is facilitated; the automatic operation of whole equipment has greatly improved the detection efficiency and the exactness of equipment for detection efficiency and production efficiency phase-match.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a schematic diagram of a connection relationship between the pre-energizing component and the front conveying component of the present invention, in which a set of first energizing mechanisms is omitted.

Fig. 5 is a schematic structural diagram of the material distributing mechanism of the present invention.

Figure 6 is a partial cross-sectional view of a first screen member of the present invention.

Fig. 7 is an exploded view of the first screen member of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, wherein the longitudinal direction is the length direction of the device and the same as the general moving direction of the product, and the transverse direction is the width direction.

Fig. 1 shows a high-precision automatic testing machine, which comprises a conveying assembly 1, wherein a pre-electrifying component 2, a magnetic pole detecting component 3, a first screening component 4 for rejecting products with magnetic poles in error, a comprehensive detecting component 5 for detecting the current and the rotating speed of a motor, a second screening component 6 for rejecting products with poor current and a third screening component 7 for rejecting products with poor rotating speed are sequentially arranged beside the conveying assembly 1.

The conveying assembly 1 comprises a front conveying part 11, the front end of the front conveying part 11 is connected with a longitudinally-placed feeding assembly 17, the feeding assembly 17 comprises a conveying belt, and the conveying belt is driven by a motor. And the conveyor belt conveys the finished product after processing to the rear end from the processing end for detection.

The tail end of the feeding component 17 is connected with the front conveying component 11 of the conveying component 1, a sliding groove for accommodating products is arranged on the conveying component 1, the front end of the sliding groove is connected with the feeding component 17, and the rear end of the sliding groove is connected with a finished product box.

The front section of the front conveying component 11 is a transition section 16 which is transversely arranged, and the rear section is a main conveying section which is longitudinally arranged. And a first material pushing assembly is transversely arranged at the joint of the transition section 16 and the tail end of the feeding assembly 17. The transition section 16 is used to convey the product from the feed assembly 17 to the main conveying section. The first material pushing assembly comprises a first air cylinder fixed with the rack, a piston rod of the first air cylinder is fixedly connected with a pushing block sliding in the sliding groove, and a containing groove 161 matched with the shape of a product is formed in the pushing block. When the piston rod of the first cylinder is in a retracting state, the accommodating groove 161 is connected with the feeding assembly 17, and a product of the feeding assembly 17 enters the accommodating groove 161 along the same trend; after the product enters the receiving slot 161, the first cylinder moves and pushes the push block to move laterally along the chute to deliver the product to the head end of the main conveying section.

The head end department of main conveying section is connected with the push rod of vertical setting, the push rod slides in the spout. The push rod is connected with a piston rod of a second cylinder, and the second cylinder pushes a product of the main conveying section to move towards the rear end. The products in the main conveying section are mainly pushed by the second air cylinder to move in the chute.

The middle part of the main conveying section is connected with a pre-electrifying component 2, the pre-electrifying component 2 is shown in figure 4, and a group of first electrifying mechanisms 21 are omitted in figure 4 for representing relevant structures. The pre-electrifying component 2 comprises two groups of first electrifying mechanisms 21, and the first electrifying mechanisms 21 are respectively positioned at two sides of the main conveying section. The first electrifying mechanism 21 comprises a vertical cylinder fixedly connected, a horizontal plate horizontally placed is fixedly connected to a piston rod of the vertical cylinder, and 6 groups of mutually independent conducting strips 211 are connected to the horizontal plate. The conductive strips 211 are connected to the two poles of the motor and supply power to the motor. The pre-electrifying part 2 is electrified for 3 to 6 seconds to the motor, so that the motor can rotate for a period of time for a short time, and the motor rotates more smoothly when the rear end is detected, thereby reducing the interference of the dryness of the motor rotating right after the motor is assembled on the detection result.

The main conveying section is connected with a horizontally arranged alternating component 22 at the position corresponding to the pre-electrifying component 2, and the structure of the alternating component 22 is shown in figure 4. The rotation component 22 comprises a third driving device which is a third air cylinder, and the third air cylinder is fixedly connected with the frame. And a sliding plate is fixedly connected to a piston rod of the third cylinder, a sliding block is fixedly connected to the lower end face of the pushing plate, a sliding rail is connected to the sliding block in a sliding manner, and the sliding rail is fixedly connected with the rack. Two groups of identical sliding grooves are fixedly connected to the sliding plate, and after the third cylinder completes the extending or retracting action, one group of sliding grooves are connected with the sliding grooves of the main conveying section, namely, the corresponding sliding grooves of the main conveying section are replaced by the sliding grooves in the rotating component 22.

When the pre-energizing component 2 works, one group of chutes of the alternating component 22 is connected with the main conveying section to convey the energized motor in the chute backwards and feed the non-energized motor, and the other group of chutes is positioned at one side of the first energizing mechanism 21 and is connected with the first energizing mechanism to perform energizing detection. The third cylinder is actuated to send the chute communicating with the main conveying section to the first energizing means 21, the chute originally communicating with the first energizing means 21 is sent to be connected with the main conveying section, and the chute is sent backwards by the electric motor for replacement.

The rear end of the main conveying section is connected with two groups of rear conveying parts 12 which are parallel to each other and identical, and the rear conveying parts 12 are connected with identical detecting parts and screening parts. A material separating mechanism 14 is arranged at the joint of the front conveying part 11 and the rear conveying part 12, and the material separating mechanism 141 is shown in fig. 5. The material distribution mechanism 14 comprises a material distribution block, two material distribution grooves 141 are arranged on the material distribution block, and the material distribution grooves 141 are used for placing motors. When the material distributing mechanism 14 finishes distributing the material, one material distributing groove 141 is connected with one rear conveying part 12, and the other material distributing groove 141 is connected with the rear end of the front conveying part 11. The lower end face of the distributing block is connected with a sliding block, the sliding block is connected with a sliding rail in a sliding mode, and the sliding block is fixedly connected with a piston rod of the air cylinder.

When the material distributing mechanism 14 works, the motor of the front conveying part 11 enters a material distributing groove 141; the motor in the separate trough 141 connected to the rear conveyance member 12 is empty because it is fed to the next step. The air cylinder is operated, and the empty distributing groove 141 is moved to the front conveyor 11 and receives the motor of the front conveyor 11, and the distributing groove 141 receiving the motor of the front conveyor 11 is moved to the rear conveyor 12 and feeds the motor to the rear conveyor 12.

A magnetic pole detection part 3 is fixedly connected to the head end of each rear conveying part 12, and the magnetic pole detection part 3 is shown in fig. 3. The magnetic pole detection part 3 comprises a magnetic pole detection sensor which is a Hall sensor, and whether the magnetic pole in the motor is reversely arranged or not is judged through the Hall sensor.

A moving member 15 is provided at a position parallel to the rear conveying member 12, and the moving member 15 moves the product in the rear conveying member 12 to a designated position of each station. The moving part 15 comprises first driving means. The first driving device is an air cylinder, and the moving direction of the air cylinder is perpendicular to the moving direction of a motor in the rear transmission component. The first driving part is connected with a mounting plate, and the first driving device drives the mounting plate to move perpendicular to the movement direction of the product. Fixedly connected with second drive arrangement on the mounting panel, second drive arrangement is the cylinder, the cylinder is connected with the switch-plate. The lower end face of the material poking plate is fixedly connected with a sliding block and a sliding rail, and a piston rod of the second driving device drives the material poking plate on the sliding block to slide on the sliding rail. The material poking plate is provided with a material poking opening matched with the shape of a product, and the position of the material poking opening is matched with the position of each part, so that the moving part 15 can convey each motor to a preset position.

When the moving part 15 works, the second driving device drives the material shifting plate to send the motor out of the next station, after the motor is sent to the next station, the first driving device acts to withdraw the mounting plate and the material shifting plate on the mounting plate from the chute area, the second driving device acts to send the material shifting plate to the original position, the first driving device acts to send the material shifting plate into the area where the product in the chute is located, and the motor enters the material shifting port. So as to reciprocate.

The rear conveying component 12 is connected with a first screening component 4, and the first screening component 4 is positioned at a station behind the magnetic pole detection component 3 and is used for screening out products which are marked by the system and have problems in magnetic pole detection and sending the products to corresponding defective product boxes 41. The subsequent second screening component 6, third screening component 7 and first screening component 4 have the same function and structure, and reject products are screened out and put in corresponding reject product boxes 41. The structure of the first screen member 4 is shown in figures 6 and 7.

The chute is provided with a blanking port corresponding to the position of the first screening part 4, and a defective product box 41 is arranged below the blanking port.

The first screening member 4 comprises a base 41, and the base 41 is fixedly connected with the frame. A supporting block 43 is connected to the base 41 at a position corresponding to the blanking port in a sliding manner, and the sliding direction of the supporting block 43 is perpendicular to the moving direction of the motor in the sliding chute. The support block 43 is provided with a support plate 431 extending into the blanking port to support the qualified motor. The upper end surface of the supporting block 43 is provided with a first through hole 433, and the first through hole 433 is located in the base 41. One side of the first hole 433 far away from the sliding groove is provided with a first inclined surface 432 connected with the first hole, one side of the first inclined surface 432 close to the first hole 433 is low, and one side far away from the first hole 433 is high. A second hole 411 is formed through the base 41 at a position corresponding to the first hole 433, the second hole 411 is communicated with the first hole 433, and the first inclined surface 432 is located in the second hole 411. A pressure lever 42 is slidably connected in the second hole 411, a second inclined surface 421 is arranged at a position of the lower end of the pressure lever 42 corresponding to the first inclined surface 432, the second inclined surface 421 is adapted to the first inclined surface 432, and the pressure lever 42 is connected with the first inclined surface 432 through the second inclined surface 421. The second hole 411 is slidably connected with a connecting block 44 below the supporting block 43, the upper end surface of the connecting block 44 is connected with the lower end surface of the supporting block 43, an ejector rod is arranged on the upper end surface of the supporting block 43 and at a position corresponding to the first hole 433, and the ejector rod extends into the first hole 433 and is connected with the lower end surface of the pressing rod 42. A spring is inserted in the second hole 411 and below the connection block 44. A fourth driving device is fixedly connected to the upper end surface of the base 41, and the fourth driving device is a cylinder with a piston rod moving in the vertical direction.

When the air cylinder acts, a piston rod of the air cylinder moves downwards and pushes the pressure rod 42 to move downwards, the pressure rod 42 pushes the pressure block to move in the direction away from the sliding groove through the inclined surface, and therefore the motor on the supporting plate 431 falls into the blanking hole and finally falls into the defective product box 41.

And a comprehensive detection part 5 is arranged at the later station of the first screening part 4. The comprehensive detection part 5 comprises a second electrifying mechanism, the arrangement mode of the second electrifying mechanism is similar to that of the first electrifying mechanism 21, but the second electrifying mechanism only comprises a group of conducting strips 211, the group of conducting strips 211 are connected with a comprehensive detection device, and the comprehensive detection device is positioned above the station. The comprehensive detection device comprises current detection and magnetic field detection. The comprehensive detection device is a GiJcy-0618 motor detector which can detect the working current and the magnetic field change speed of the motor after being electrified so as to judge whether the motor is normal.

And the subsequent stations of the comprehensive detection part 5 are respectively provided with a second screening part 6 and a third screening part 7 for respectively screening products with poor current and poor rotating speed. The second screening part 6 and the third screening part 7 have the same structure as the first screening part 4, and are also provided with blanking ports in sliding grooves at corresponding positions, and defective product boxes 41 are also arranged below the blanking ports.

The latter station of the third screening part 7 is a dotting part 8 driven by an air cylinder, and the dotting part 8 is used for marking qualified products. The dotted product is pushed to a finished product collecting position at the rear end by the kick-out plate when feeding next time.

Claims

1. The high-precision automatic testing machine is characterized by comprising a conveying assembly (1), wherein a pre-electrifying component (2), a magnetic pole detecting component (3), a first screening component (4) for rejecting products with magnetic poles in error, a comprehensive detecting component (5) for detecting the current and the rotating speed of a motor, a second screening component (6) for rejecting products with poor current and a third screening component (7) for rejecting products with poor rotating speed are sequentially arranged beside the conveying assembly (1) along the conveying direction.

2. The high-precision automatic testing machine according to claim 1, characterized in that the pre-energizing component (2) comprises two sets of first energizing components, the first energizing components are respectively located at two sides of the conveying assembly (1), the conveying assembly (1) is provided with a rotation component (22) at a position corresponding to the pre-energizing component (2), the rotation component (22) comprises a third driving device, a sliding plate is connected to the third driving device, and two sets of parallel and same sliding grooves are fixedly connected to the sliding plate.

3. The high-precision automatic testing machine according to claim 1, wherein the conveying assembly (1) comprises a front conveying part (11), two groups of rear conveying parts (12) are connected to the rear end of the front conveying part (11), the pre-energizing part (2) is connected to the front conveying part (11), and each group of the rear conveying parts (12) is connected to a magnetic pole detecting part (3), a first screening part (4), a comprehensive detecting part (5), a second screening part (6) and a third screening part (7).

4. The high-precision automatic testing machine according to claim 3, wherein a moving part (15) is connected to the rear conveying part (12), the moving part (15) comprises a first driving device, a mounting plate is connected to the first driving device, the first driving device drives the mounting plate to move in a direction perpendicular to the moving direction of the product, a second driving device is fixedly connected to the mounting plate, a material shifting plate is connected to the second driving device, a material shifting port corresponding to the shape of the product is formed in the material shifting plate, and the position of the material shifting port is corresponding to the position of each part.

5. The high-precision automatic testing machine according to any one of claims 2 to 4, wherein the conveying assembly (1) is provided with blanking ports at positions corresponding to the first screening member (4), the second screening member (6) and the third screening member (7), respectively, and the first screening member (4), the second screening member (6) and the third screening member (7) are identical in structure; the first screening part (4) comprises a base (41), a support block (43) is connected to a position corresponding to a blanking port in the base (41) in a sliding mode, a supporting plate (431) is arranged on the support block (43), the supporting plate (431) extends into a sliding groove, a first through hole (433) is formed in the support block (43), a first inclined plane (432) is arranged at a position corresponding to the first through hole (433) of the support block (43), one side, close to the first through hole (433), of the first inclined plane (432) is low, a pressing rod (42) is connected to a position corresponding to the first inclined plane (432) in the base (41) in a sliding mode, a second inclined plane (421) matched with the first inclined plane (432) is arranged on the pressing rod (42) and is connected with the first inclined plane (432) of the support block (43) through the second inclined plane (421), and a lower end face of the pressing rod (42) is connected with an elastic object, the lower end of the elastic object is connected with the frame, and the upper end surface of the base (41) is fixedly connected with a fourth driving device for driving the pressure lever (42) to move downwards.

6. The high-precision automatic testing machine according to claim 5, wherein a connecting block 44 is disposed between the elastic body and the pressing rod (42), the lower end of the connecting block 44 is connected to the elastic body, the upper end surface of the connecting block 44 is connected to the lower end surface of the supporting block (43), and a push rod is disposed on the upper end surface of the connecting block 44, passes through the first hole (433) and is connected to the lower end surface of the pressing rod (42).