CN114441210A - Electric cylinder comprehensive performance intelligent quality inspection equipment working platform - Google Patents

Abstract

The invention provides a working platform of intelligent quality inspection equipment for comprehensive performance of an electric cylinder, which comprises the following steps: the system comprises an electric cylinder comprehensive performance intelligent quality inspection device and a dynamic test working platform; electric jar comprehensive properties intelligence quality inspection equipment includes: a front baffle and a rear baffle are fixed on two sides of the short edge of the guide rail base, a grating ruler is fixed on the long edge of the guide rail base, and sliding teeth are arranged on the grating ruler in a sliding manner; a sliding table which is in sliding connection with the guide rail base is arranged between the front baffle and the rear baffle; the surface of the sliding table is provided with a fixed block and a sliding block which is connected with the mounting groove in a sliding manner, and the force sensor is clamped and fixed between the fixed block and the sliding block; an electric cylinder is coaxially and fixedly arranged between the mounting groove and the notch of the opening groove block, and the sliding table is adjusted to test the data of the electric cylinder; the dynamic test working platform comprises: the base, it has telescopic link sliding bottom to slide between the base both sides limit, and this equipment can carry out the detection of multinomial data to the electric jar fast to can simulate the detection data when the electric jar practical application rocks the state.

Description

Electric cylinder comprehensive performance intelligent quality inspection equipment working platform

technical field

The invention relates to the technical field of electric cylinder testing equipment design, in particular to an electric cylinder comprehensive performance intelligent quality inspection equipment and its dynamic testing working platform.

Background technique

When the electric cylinder is under load detection, the internal motor speed will change irregularly, resulting in the vibration of the internal motor of the electric cylinder during the test process, which will make the final detection result less accurate.

According to on-the-spot investigations, it is found that at present, the vast majority of electric cylinder manufacturers choose manual inspection for the quality inspection of electric cylinders before leaving the factory. In the face of a large number of electric cylinder products, most of the manual quality inspections adopt the method of sampling inspection to leave the factory. Quality inspection, using multimeter, tension meter, vernier caliper and noise detector and other measuring tools to test the electric cylinder's current, voltage, thrust, tension, static load, stroke, noise, Hall signal, these eight indicators, the entire manual inspection process Complicated and cumbersome, it usually requires operators with more than three years of work experience to complete the quality inspection in compliance with regulations. At present, there are two types of electric cylinder quality inspection equipment on the market: hydraulic and pneumatic quality inspection equipment. These two types of quality inspection equipment are large in size and cannot cope with the real-time changing electric cylinder running speed, and the final detection accuracy is not high. In addition, the existing electric cylinder quality inspection equipment cannot achieve automatic inspection in a simulated dynamic environment, and the efficiency has not been greatly improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent quality inspection equipment for electric cylinder comprehensive performance and its dynamic test working platform to solve the problem of low efficiency of traditional electric cylinder quality inspection scheme, and is equipped with a working platform for electric cylinder performance detection under dynamic conditions.

In order to achieve the above purpose, the present invention is realized by adopting the following technical solutions: a working platform for intelligent quality inspection equipment for comprehensive performance of electric cylinders: including intelligent quality inspection equipment for comprehensive performance of electric cylinders and a working platform for dynamic testing;

The intelligent quality inspection equipment for the comprehensive performance of the electric cylinder includes: a front baffle and a rear baffle are fixed on both sides of the short side of the guide rail base, a grating ruler is fixed on the long side of the guide rail base, and the grating ruler slides with sliding teeth;

Between the front baffle and the rear baffle, there is a sliding table slidably connected with the guide rail base;

The surface of the sliding table is provided with a fixed block, which is slidably connected with a sliding block with an installation groove, and the fixed block and the sliding block are clamped to fix the load cell;

An electric cylinder is fixedly installed in the same axial direction between the installation groove and the slot of the opening groove block, and the sliding table is adjusted to test the electric cylinder data;

The dynamic test work platform includes: a dynamic test work platform base, a telescopic rod sliding base is slid between two sides of the dynamic test work platform base, and the dynamic test work platform base is connected with the dynamic test work platform table top by opening and closing hinges , The dynamic test work platform table is facing away from the telescopic rod sliding base and fixedly installs multiple groups of electric cylinder comprehensive performance intelligent quality inspection equipment;

An electrical control cabinet is fixed on one side of the table top of the dynamic test platform, and multiple groups of control units are arranged in the electrical control cabinet.

The surface of the guide rail base is provided with two rails, the bottom of the slide table is provided with a rail groove, and a first lead screw is screwed through the slide table, one end of the first lead screw is connected to the front baffle, and the other end is connected to the servo motor output shaft.

A bearing seat is arranged between the output shaft of the servo motor and the end of the first lead screw, and the bearing seat is connected to the end of the first lead screw and the output shaft of the servo motor.

A block fixing pin on the sliding block is inserted and fixed with a stop block; an electric cylinder fixing pin is inserted into the notch of the open groove block, so as to fix the electric cylinder.

The base of the dynamic test work platform is parallel to the sliding base of the telescopic rod, and the side pivot pin is hinged to the top of the dynamic test work platform.

A telescopic mechanism is arranged between the table top of the dynamic test work platform and the sliding base of the telescopic rod; the two ends of the telescopic mechanism are connected to the table top of the dynamic test work platform and the sliding base of the telescopic rod corresponding to hinges.

The telescopic mechanism comprises a telescopic rod sliding base, a right telescopic rod base and a left telescopic rod base are hingedly connected to the connecting pins on the telescopic rod sliding base, and the right telescopic rod base and the left telescopic rod base are correspondingly movably inserted into the right telescopic rod, The left telescopic rod, the right telescopic rod and the left telescopic rod are connected to the bolt hinge on the table top of the dynamic test work platform.

A second lead screw is screwed through the middle of the sliding base, and two ends of the second lead screw are vertically connected to both sides of the base of the dynamic test work platform, and one end of the second lead screw is connected to the motor output shaft.

The side elevation of the electrical control cabinet is sequentially provided with a touch screen, a high-speed counting module, a programmable controller, an analog conversion module, a voltage sensor and a current sensor from top to bottom;

The electric cylinder is respectively electrically connected to a voltage sensor and a current sensor, the load cell, the voltage sensor and the current sensor are respectively electrically connected to an analog conversion module, the grating ruler is electrically connected to a high-speed counting module, the analog conversion module, the touch screen , The high-speed counting module is electrically connected to the programmable controller and the electrical control cabinet.

An integral base is also fixed at the bottom of the base of the dynamic test work platform, 6 support columns are fixed at the lower end of the integral base, and rollers are installed at the lower end of the support.

According to the above-mentioned technical scheme, the beneficial effects of the present invention:

1. This equipment uses the PLC programmable controller to adjust the speed of the servo motor to change the running speed of the sliding table, so as to provide a real-time adjustable stepless load for the electric cylinder during the detection process, which ensures the accuracy of the final detection value. . Electric cylinder products only need to go through a reciprocating stroke at the detection station to complete the detection of eight indicators of current, voltage, thrust, pull, static load, stroke, noise, and Hall signal. Compared with quality inspection, the time to inspect an electric cylinder product is shortened from 270s to 50s, and the inspection efficiency is greatly improved.

2. The equipment is equipped with a dynamic test working platform. Conventional testing equipment can only detect the electric cylinder statically. The components of the dynamic test working platform are linked to realize the performance detection of the electric cylinder in a dynamic environment. It can simulate the electric cylinder during the quality inspection process. The shaking state in practical application, and the whole device is equipped with built-in high-speed counting module, analog conversion module, load cell, voltage sensor and current sensor. The mutual cooperation of components makes the overall control scheme intelligent and efficient.

Description of drawings

Fig. 1 is a perspective view of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder and its dynamic test working platform according to the present invention.

FIG. 2 is a front view of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder and its dynamic testing working platform according to the present invention.

Fig. 3 is a three-dimensional structure diagram of a single station of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder according to the present invention.

FIG. 4 is an exploded view of the dynamic test working platform of the present invention.

Among them: 1-1, dynamic test work platform table; 1-2, dynamic test work platform base; 1-3, overall base; 2, roller; 3-1, electrical control cabinet; 3-2, touch screen; 3-3 , high-speed counting module; 3-4, programmable controller; 3-5, analog conversion module; 3-6, voltage sensor; 3-7, current sensor; 3-8, motor; 4, connecting pin; 4- 5. Rotating shaft pin; 5-1, right telescopic rod base; 5-2, left telescopic rod base; 5-3, left telescopic rod; 5-4, right telescopic rod; 6-1, telescopic rod sliding base; 6- 2. Second lead screw; 7-1, guide rail base; 8-1, front baffle; 8-2, rear baffle; 9-1, guide rail; 10-1, first lead screw; 11-1 bearing seat ;12-1, Servo motor mount; 13-1, Servo motor; 14-1, Slide table; 15-1, Fixed block; 15-2, Slide block; 16-1, Load cell; 17-1, Block; 17-2, block fixing pin; 18-1, grating ruler; 18-2, slide rule; 19-1, electric cylinder fixing pin; 19-2, open slot; 20-1, pin.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer" and the like indicate the orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. The terms "front", "rear", "left", "right", "upper" and "lower" used in the description of the present invention refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to is the direction toward or away from the geometric center of a particular part.

Referring to the accompanying drawings 1-4, the present invention discloses an electric cylinder comprehensive performance intelligent quality inspection equipment working platform, which includes two major components: electric cylinder comprehensive performance intelligent quality inspection equipment and dynamic testing work platform; wherein the electric cylinder comprehensive performance intelligent quality inspection equipment The inspection equipment includes: a front baffle 8-1 and a rear baffle 8-2 are fixed on both sides of the short side of the guide rail base 7-1, and a grating ruler 18-1 is fixed on the long side of the guide rail base 7-1. There are sliding teeth 18-2 sliding on 18-1;

Between the front baffle 8-1 and the rear baffle 8-2 is a sliding table 14-1 slidably connected with the guide rail base 7-1;

The surface of the sliding table 14-1 is provided with a fixing block 15-1, which is slidably connected with a sliding block 15-2 with a mounting groove, and the fixing block 15-1 and the sliding block 15-2 are clamped to fix the load cell 16-1; The electric cylinder 20-1 is fixedly installed between the slots of the installation groove and the opening groove block 19-2 in the same axial direction, and the sliding table 14-1 is adjusted to test the data of the electric cylinder 20-1;

The dynamic test work platform includes: a dynamic test work platform base 1-2, a telescopic rod sliding base 6-1 is slid between the two sides of the dynamic test work platform base 1-2, and the dynamic test work platform base 1- 2. It is connected with the opening and closing hinges of the dynamic test work platform table 1-1, and the dynamic test work platform table 1-1 is facing away from the telescopic rod sliding base 6-1. Multiple sets of electric cylinder comprehensive performance intelligent quality inspection equipment are fixed on one side;

An electrical control cabinet 3-1 is fixed on one side of the dynamic test work platform table 1-1. The electrical control cabinet 3-1 is provided with a plurality of groups of control elements, the adjustment slide table 14-1, and the dynamic test work platform table 1- 1 and cooperate with the electrical control cabinet 3-1 to dynamically test the data of the electric cylinder 20-1.

The manufacture of this equipment can get rid of the traditional electric cylinder testing device which can only detect the electric cylinder performance statically. The dynamic test working platform in the present invention can automatically adjust the state of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder to realize dynamic detection. This process can simulate the electric cylinder performance. The automatic detection state of the cylinder 20-1 in the dynamic environment, the electric cylinder 20-1 product only needs to go through a reciprocating stroke at the detection station to complete the detection of current, voltage, thrust, tension, static load, stroke, noise, and shock. In the detection of these eight indicators of the Er signal, the fast detection speed greatly shortens the detection time of the electric cylinder and improves the detection efficiency. At the same time, dynamic monitoring can improve the detection accuracy of the electric cylinder.

In order to further understand this equipment, the equipment will be described in detail in combination with the electric cylinder 20-1.

Please refer to FIG. 3 , the surface of the guide rail base 7-1 is provided with two rails 9-1, the bottom of the sliding table 14-1 is provided with a rail groove, the sliding table 14-1 can slide freely along the rail 9-1, and the sliding table 14- 1. The inner screw is provided with a first lead screw 10-1. One end of the first lead screw 10-1 is transferred to the front baffle 8-1, and the other end is connected to the output shaft of the servo motor 13-1. 10-1 and the output shaft of the servo motor 13-1 are stably connected, and a bearing seat 11-1 is installed between the output shaft of the servo motor 13-1 and the end of the first screw 10-1, and the bearing seat 11-1 is connected to the first screw The end of the bar 10-1, the output shaft of the servo motor 13-1, and the setting of the bearing seat are also convenient for the later maintenance of the connection of the device; it can also be seen in the figure that the block fixing pin 17-2 on the sliding block 17-1 is inserted and fixed with The block 17-1 and the opening slot block 19-2 are inserted into the slot of the electric cylinder fixing pin 19-1, and the electric cylinder fixing pin 19-1 passes through the electric cylinder 20-1 to make it fixed.

The specific structure of the dynamic test work platform can be seen in Figure 4. The side of the dynamic test work platform base 1-2 parallel to the telescopic rod sliding base 6-1 is provided with a rotating shaft plug 4-5, and the rotating shaft plug 4-5 is interspersed with The dynamic test work platform base 1-2 and the dynamic test work platform table 1-1 are connected by rotation. In addition, a telescopic mechanism is also set between the dynamic test work platform table 1-1 and the telescopic rod sliding base 6-1. The mechanism includes a telescopic rod sliding base 6-1, a connecting pin 4 on the telescopic rod sliding base 6-1 is hinged with a right telescopic rod base 5-1, a left telescopic rod base 5-2, a right telescopic rod base 5-1, and a left telescopic rod The base 5-2 is connected with a right telescopic rod 5-4, a left telescopic rod 5-3, a right telescopic rod 5-4, and a left telescopic rod 5-3, which are hinged on the dynamic test work platform table 1- 1, a second lead screw 6-2 is screwed through the middle of the telescopic rod sliding base 6-1, and both ends of the second lead screw 6-2 are vertically connected to both sides of the dynamic test work platform base 1-2. One end of the lead screw 6-2 is connected to the output shaft of the motor 3-8, and the motor 3-8 is started to control the fan-shaped movement of the table top 1-1 of the dynamic test work platform to realize the dynamic monitoring of the device.

Among them, the side elevation of the electrical control cabinet 3-1 is provided with a touch screen 3-2, a high-speed counting module 3-3, a programmable controller 3-4, an analog conversion module 3-5, and a voltage sensor 3-6 from top to bottom. And the current sensor 3-7, the specific connection mode of these control units, the electric cylinder 20-1 is respectively electrically connected to the voltage sensor 3-6 and the current sensor 3-7, the load sensor 16-1, the voltage sensor 3-6 and the current sensor 3-7 are respectively electrically connected to the analog conversion module 3-5, the grating ruler 18-1 is electrically connected to the high-speed counting module 3-3, the analog conversion module 3-5, the touch screen 3-2, the high-speed counting The modules 3-3 are respectively electrically connected to the programmable controller 3-4 and the electrical control cabinet 3-1.

In order to facilitate the transfer of the equipment, the bottom of the dynamic test work platform base 1-2 is also fixed with an integral base 1-3, the lower end of the integral base 1-3 is also fixed with 6 support columns, and the lower end of the pillar is installed with a roller 2.

The specific work and use of this device: place the electric cylinder 20-1 to be tested on the opening slot on the right side of the bottom plate of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder, use the electric cylinder fixing pin 19-1 to fix it, press the start button, The cylinder 20-1 is launched, and the control module of various sensors including the servo motor 13-1 sends the real-time value of the electric cylinder 20-1 to the PLC programmable controller, and controls the speed of the servo motor 20-1 after calculation and analysis. Cylinder 20-1 provides real-time adjustable stepless load to ensure that the electric cylinder maintains a stable load during operation. When the electric cylinder is pushed out to the limit position, the servo motor 20-1 reverses and applies a reverse direction to the electric cylinder. After the test, the electric cylinder is retracted, and the servo motor 20-1 drives the sliding table 14-1 to continue to provide it with a real-time adjustable stepless load to ensure that the electric cylinder maintains a stable load during the retraction process. After the retraction is completed, the guide rail base 7-1 is equipped with grating ruler 18-1, slide ruler 18-2, measurable stroke, electric cylinder current, voltage, thrust, tension, static load, stroke, noise, Hall Signal eight indicators complete the detection.

In order to simulate the shaking state of the electric cylinder in practical application, the present invention provides a dynamic test working platform. By driving the back end motor 3-8 of the base 1-2 of the dynamic test platform, the lead screw 6-2 drives the sliding base 6-1 of the telescopic rod to move, and at the same time, the left telescopic rod 5-3 and the right telescopic rod 5-4 start to stretch out. When the telescopic rod sliding base 6-1 and the telescopic rod reach the limit position, the motor 3-8 stops rotating. At this time, the rotation angle of the working platform is 90 degrees, and then the telescopic rod sliding base 6-1 and the telescopic rods 5-3 and 5 -4 runs in reverse, and so on and so forth to simulate the dynamic working state of the electric cylinder in the actual application environment.

It is known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims (10)

1. Electric jar comprehensive properties intelligence quality testing equipment work platform, characterized by: the device comprises an electric cylinder comprehensive performance intelligent quality inspection device and a dynamic test working platform;

electric jar comprehensive properties intelligence quality testing equipment includes: a front baffle (8-1) and a rear baffle (8-2) are fixed on two sides of the short side of the guide rail base (7-1), a grating ruler (18-1) is fixed on the long side of the guide rail base (7-1), and a sliding tooth (18-2) slides on the grating ruler (18-1);

a sliding table (14-1) which is in sliding connection with the guide rail base (7-1) is arranged between the front baffle (8-1) and the rear baffle (8-2);

a fixed block (15-1) and a sliding block (15-2) with a mounting groove are arranged on the surface of the sliding table (14-1), and the force-measuring sensor (16-1) is clamped and fixed between the fixed block (15-1) and the sliding block (15-2);

an electric cylinder (20-1) is coaxially and fixedly arranged between the mounting groove and the notch of the opening groove block (19-2), and the sliding table (14-1) is adjusted to test the data of the electric cylinder (20-1);

the dynamic test working platform comprises: the device comprises a base (1-2), a telescopic rod sliding base (6-1) is arranged between two side edges of the base (1-2) in a sliding mode, the base (1-2) is connected with a dynamic test working platform table-board (1-1) in an opening-closing hinge mode, and a plurality of groups of electric cylinder comprehensive performance intelligent quality inspection equipment are fixedly installed on the side, opposite to the telescopic rod sliding base (6-1), of the dynamic test working platform table-board (1-1);

an electric appliance control cabinet (3-1) is fixed on one side edge of the dynamic test working platform table-board (1-1), a plurality of groups of control units are arranged in the electric appliance control cabinet (3-1), and the sliding table (14-1) and the dynamic test working platform table-board (1-1) are adjusted and matched with the electric appliance control cabinet (3-1) so as to dynamically test data of the electric cylinder (20-1).

2. The working platform of the electric cylinder comprehensive performance intelligent quality inspection equipment as claimed in claim 1, wherein the working platform comprises: the guide rail device is characterized in that two rails (9-1) are arranged on the surface of the guide rail base (7-1), a rail groove is formed in the bottom of the sliding table (14-1), a first lead screw (10-1) penetrates through the inner spiral of the sliding table (14-1), one end of the first lead screw (10-1) is connected to the front baffle (8-1), and the other end of the first lead screw is connected with an output shaft of a servo motor (13-1).

3. The working platform of the electric cylinder comprehensive performance intelligent quality inspection equipment as claimed in claim 2, wherein: a bearing seat (11-1) is arranged between the output shaft of the servo motor (13-1) and the end of the first lead screw (10-1), and the bearing seat (11-1) is connected with the end of the first lead screw (10-1) and the output shaft of the servo motor (13-1).

4. The electric cylinder comprehensive performance intelligent quality inspection equipment working platform according to claim 3, which is characterized in that: a stop block (17-1) is fixedly inserted into the stop block fixing pin (17-2) on the sliding block (17-1); an electric cylinder fixing bolt (19-1) is inserted in the notch of the opening groove block (19-2) so as to fix the electric cylinder (20-1).

5. The working platform of the intelligent quality inspection equipment for the comprehensive performance of the electric cylinder as claimed in claim 4, wherein: the dynamic test working platform base (1-2) is hinged with the dynamic test working platform table-board (1-1) through a side rotating shaft bolt (4-5) parallel to the telescopic rod sliding base (6-1).

6. The electric cylinder comprehensive performance intelligent quality inspection equipment working platform according to claim 5, which is characterized in that: a telescopic mechanism is arranged between the dynamic test working platform table surface (1-1) and the telescopic rod sliding base (6-1); the two ends of the telescopic mechanism are correspondingly hinged with the dynamic test working platform surface (1-1) and the telescopic rod sliding base (6-1).

7. The electric cylinder comprehensive performance intelligent quality inspection equipment working platform according to claim 6, which is characterized in that: the telescopic mechanism comprises a telescopic rod sliding base (6-1), a right telescopic rod base (5-1) and a left telescopic rod base (5-2) are hinged to a connecting bolt (4) on the telescopic rod sliding base (6-1), a right telescopic rod (5-4) and a left telescopic rod (5-3) are correspondingly and movably inserted in the right telescopic rod base (5-1) and the left telescopic rod base (5-2), and the connecting bolt (4) of the right telescopic rod (5-4) and the left telescopic rod (5-3) is hinged to the dynamic test working platform surface (1-1).

8. The electric cylinder comprehensive performance intelligent quality inspection equipment working platform according to claim 7, which is characterized in that: a second lead screw (6-2) is spirally arranged in the middle of the sliding base (6-1) in a penetrating mode, two ends of the second lead screw (6-2) are perpendicularly connected to two sides of the base (1-2) in a rotating mode, and one end of the second lead screw (6-2) is connected with an output shaft of a motor (3-8).

9. The electric cylinder comprehensive performance intelligent quality inspection equipment working platform according to claim 8, characterized in that: the side vertical surface of the electric appliance control cabinet (3-1) is sequentially provided with a touch screen (3-2), a high-speed counting module (3-3), a programmable controller (3-4), an analog quantity conversion module (3-5), a voltage sensor (3-6) and a current sensor (3-7) from top to bottom;

the electric cylinder (20-1) is respectively and electrically connected with a voltage sensor (3-6) and a current sensor (3-7), the force measuring sensor (16-1), the voltage sensor (3-6) and the current sensor (3-7) are respectively and electrically connected with an analog quantity conversion module (3-5), the grating ruler (18-1) is electrically connected with a high-speed counting module (3-3), and the analog quantity conversion module (3-5), the touch screen (3-2) and the high-speed counting module (3-3) are respectively and electrically connected with a programmable controller (3-4) and an electric appliance control cabinet (3-1).

10. The working platform of the electric cylinder comprehensive performance intelligent quality inspection equipment according to any one of claims 1 to 9, which is characterized in that: the bottom of the base (1-2) is also fixed with an integral base (1-3), the lower end of the integral base (1-3) is fixed with 6 supporting columns, and the lower ends of the supporting columns are provided with rollers (2).

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