Linear guide rail smoothness detection circuit and linear guide rail smoothness detector

Abstract

The utility model discloses a linear guide rail smoothness detection circuit and linear guide rail smoothness detector relates to linear guide rail smoothness detection technical field. Linear guide rail smoothness detector includes linear motor and base, and linear motor is used for driving base to remove, linear guide rail smoothness detection circuit includes: main control circuit is used for output corresponding linear motor control signal to control linear motor work, first pressure detection circuit, first pressure detection circuit sets up on the base, and output end is connected with main control circuit electricity, is used for when driving slider along first direction movement, output corresponding first pressure detection signal, second pressure detection circuit, second pressure detection circuit sets up on the base, and output end is connected with main control circuit electricity, is used for when driving slider along second direction movement, output corresponding second pressure detection signal. The utility model aims at optimizing linear guide rail smoothness detector whole circuit structure design's while improving detection speed.

Description

Technical Field

[0001] This utility model relates to the field of linear guide smoothness detection technology, and in particular to a linear guide smoothness detection circuit and a linear guide smoothness detector. Background Technology

[0002] In the industrial manufacturing sector, precision linear motion is crucial in many key areas, including machine tool processing, automated production and transportation, precision testing instruments, and semiconductor manufacturing equipment. Linear guides are an indispensable core component of precision linear motion equipment. A linear guide is assembled from a guide rail and a slider. The smoothness of the movement of the guide rail, ball bearings, and slider after assembly directly determines the product quality and indirectly affects its actual performance when integrated into other precision motion modules. Therefore, after the linear guide assembly process is completed, precise testing of the smoothness of the assembled guide rail's operation must be conducted immediately to ensure the product's factory qualification rate and guarantee that it will achieve the expected results when delivered to customers. This provides stable and reliable linear motion support for customers' production operations, thereby improving the overall operational quality and efficiency of the industrial manufacturing production line.

[0003] However, existing equipment exhibits overly complex control element module designs. This complexity extends beyond hardware integration to include intricate software control logic. The complex circuit layout often necessitates more debugging time, increasing operational difficulty and reducing efficiency to some extent. Furthermore, this complexity can lead to higher maintenance costs, as technicians require more time to diagnose and repair problems in the event of a malfunction. Therefore, simplifying the control element module design and optimizing the circuit layout are crucial for improving the overall performance and efficiency of slider smoothness testing equipment. Utility Model Content

[0004] The main purpose of this utility model is to provide a linear guide smoothness detection circuit and a linear guide smoothness detector, which aims to optimize the overall circuit structure design of the linear guide smoothness detector while improving the detection speed.

[0005] To achieve the above objectives, the present invention proposes a linear guide smoothness detection circuit, which is applied to a linear guide smoothness testing instrument. The linear guide smoothness testing instrument includes a linear motor and a base, wherein the linear motor drives the base to move. The linear guide smoothness detection circuit includes:

[0006] The main control circuit is electrically connected to the linear motor; the main control circuit is used to output corresponding linear motor control signals to control the operation of the linear motor.

[0007] A first pressure detection circuit is disposed on the base, and its output terminal is electrically connected to the main control circuit. The first pressure detection circuit is used to output a corresponding first pressure detection signal to the main control circuit when the slider moves in a first direction.

[0008] A second pressure detection circuit is disposed on the base, and its output terminal is electrically connected to the main control circuit. The second pressure detection circuit is used to output a corresponding second pressure detection signal to the main control circuit when the slider moves in the second direction.

[0009] Wherein, the first direction and the second direction are opposite directions.

[0010] In one embodiment, the linear guide smoothness detection circuit further includes a linear motor drive circuit. The input terminal of the linear motor drive circuit is electrically connected to the main control circuit, and the output terminal of the linear motor drive circuit is electrically connected to the linear motor. The linear motor drive circuit is used to drive the linear motor to work when it receives the linear motor control signal.

[0011] In one embodiment, the linear guide smoothness detection circuit further includes:

[0012] A first signal conversion circuit, wherein a first terminal of the first signal conversion circuit is electrically connected to the output terminal of the first pressure detection circuit, and a second terminal of the first signal conversion circuit is electrically connected to the main control circuit; the first signal conversion circuit is used to convert the first pressure detection signal output by the first pressure detection circuit and output it to the main control circuit.

[0013] The second signal conversion circuit has a first terminal electrically connected to the output terminal of the second pressure detection circuit and a second terminal electrically connected to the main control circuit. The second signal conversion circuit is used to convert the second pressure detection signal output by the second pressure detection circuit and output it to the main control circuit.

[0014] In one embodiment, the first signal conversion circuit includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a first switching transistor, a first power supply terminal, a second power supply terminal, and a first signal conversion chip;

[0015] Wherein, the first end of the first resistor is electrically connected to the first power supply terminal, the first end of the second resistor, and the first end of the third resistor; the second end of the first resistor is electrically connected to the receiving terminal of the main control circuit and the first end of the fourth resistor; the second end of the second resistor is electrically connected to the first end of the first switching transistor, the second end of the first signal conversion chip, and the third end of the first signal conversion chip; the second end of the fourth resistor is electrically connected to the controlled terminal of the first switching transistor; the second end of the third resistor is electrically connected to the first end of the first signal conversion chip and the receiving terminal of the main control circuit; the second end of the first switching transistor is electrically connected to the ground terminal, the fourth end of the first signal conversion chip, and the fifth end of the first signal conversion chip; the first end of the fifth resistor is electrically connected to the first end of the first capacitor, the first end of the second capacitor, the second power supply terminal, and the eighth end of the first signal conversion chip; the second end of the fifth resistor is electrically connected to the sixth end of the first signal conversion chip, the second end of the sixth resistor, and the first pressure detection circuit; the first end of the sixth resistor is electrically connected to the first end of the seventh resistor, the seventh end of the first signal conversion chip, and the first pressure detection circuit; the second end of the first capacitor is electrically connected to the second end of the second capacitor, the second end of the seventh resistor, and the ground terminal.

[0016] In one embodiment, the linear guide smoothness tester further includes a servo motor and a movable clamping member. The servo motor is mounted on the base and connected to the movable clamping member to drive the movable clamping member to operate. The linear guide smoothness detection circuit further includes:

[0017] A distance detection circuit is disposed on the movable clamping member, and the output terminal of the distance detection circuit is electrically connected to the main control circuit; the distance detection circuit is used to detect the length of the slider along the first direction and output a distance detection signal to the main control circuit.

[0018] In one embodiment, the linear guide smoothness detection circuit further includes a servo drive circuit, the input terminal of which is electrically connected to the main control circuit, and the output terminal of which is electrically connected to the servo; the servo drive circuit is used to drive the servo to work when it receives a servo control signal.

[0019] In one embodiment, the linear guide smoothness detection circuit further includes a photoelectric detection circuit, which is disposed in the first mounting area of ​​the base; the output terminal of the photoelectric detection circuit is electrically connected to the main control circuit; the photoelectric detection circuit is used to detect the moving distance of the base and output a corresponding photoelectric detection signal.

[0020] In one embodiment, the linear guide smoothness detection circuit further includes a prompting circuit, the input terminal of which is electrically connected to the main control circuit; the prompting circuit is used to output a corresponding prompting signal when it receives a prompting control signal output by the main control circuit.

[0021] This utility model also proposes a linear guide smoothness tester, which includes a linear motor, a base, a servo motor, a movable clamping component, and a linear guide smoothness detection circuit as described in any of the above.

[0022] The linear motor is used to drive the base to move; the servo motor is mounted on the base and connected to the movable clamping member to drive the movable clamping member to work.

[0023] In one embodiment, the linear guide smoothness tester further includes a heat dissipation component, which is electrically connected to the main control circuit; the heat dissipation component is used to operate when it receives a heat dissipation control signal output by the main control circuit.

[0024] This utility model's technical solution employs a linear guide smoothness detection circuit, thereby optimizing the overall circuit structure design of the linear guide smoothness tester while improving detection speed. The linear guide smoothness detection circuit is applied to the linear guide smoothness tester. The linear guide smoothness tester includes a linear motor and a base, with the linear motor driving the base to move. Furthermore, both the first and second pressure detection circuits are mounted on the base. However, it should be noted that the linear guide includes a guide rail and a slider. The slider needs to be clamped first by a movable clamping component on the base, and the slider's specifications are confirmed by the corresponding detection circuit, thus determining the pre-pressure for that slider specification. Understandably, during detection, the slider will be positioned between the first and second pressure detection circuits. This allows the linear motor to drive the base, which in turn drives the first and second pressure detection circuits on the base, causing the slider to move along the guide rail. This enables the main control circuit to receive the corresponding pressure detection signal and determine whether the linear guide is qualified. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the linear guide smoothness detection circuit of this utility model;

[0027] Figure 2 This is a schematic diagram of a module of an embodiment of the linear guide smoothness detection circuit of this utility model;

[0028] Figure 3 This is a schematic diagram of the linear guide smoothness tester of this utility model;

[0029] Figure 4 This is a circuit diagram of the linear guide smoothness detection circuit of this utility model.

[0030] Explanation of icon numbers:

[0031] 10. Linear motor; 20. Main control circuit; 30. First pressure detection circuit; 40. Second pressure detection circuit; 50. Linear motor drive circuit; 60. First signal conversion circuit; 70. Second signal conversion circuit; 80. Servo motor; 90. Distance detection circuit; 100. Servo motor drive circuit; 110. Base; 120. Slider; 130. Movable clamping component; R1-R7, First resistor-Seventh resistor; C1-C2, First capacitor-Second capacitor; Q1, First switching transistor.

[0032] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0036] In the industrial manufacturing sector, precision linear motion is crucial in many key areas, including machine tool processing, automated production and transportation, precision testing instruments, and semiconductor manufacturing equipment. Linear guides are an indispensable core component of precision linear motion equipment. A linear guide is assembled from a guide rail and a slider. The smoothness of the movement of the guide rail, ball bearings, and slider after assembly directly determines the product quality and indirectly affects its actual performance when integrated into other precision motion modules. Therefore, after the linear guide assembly process is completed, precise testing of the smoothness of the assembled guide rail's operation must be conducted immediately to ensure the product's factory qualification rate and guarantee that it will achieve the expected results when delivered to customers. This provides stable and reliable linear motion support for customers' production operations, thereby improving the overall operational quality and efficiency of the industrial manufacturing production line.

[0037] However, existing equipment exhibits overly complex control element module designs. This complexity extends beyond hardware integration to include intricate software control logic. The complex circuit layout often necessitates more debugging time, increasing operational difficulty and reducing efficiency to some extent. Furthermore, this complexity can lead to higher maintenance costs, as technicians require more time to diagnose and repair problems in the event of a malfunction. Therefore, simplifying the control element module design and optimizing the circuit layout are crucial for improving the overall performance and efficiency of slider smoothness testing equipment.

[0038] Therefore, refer to Figure 1 and Figure 3 To solve the above problems, this utility model proposes a linear guide smoothness detection circuit, applied to a linear guide smoothness testing instrument. The linear guide smoothness testing instrument includes a linear motor 10 and a base 110, wherein the linear motor 10 is used to drive the base 110 to move; the linear guide smoothness detection circuit includes:

[0039] The main control circuit 20 is electrically connected to the linear motor 10; the main control circuit 20 is used to output corresponding control signals for the linear motor 10 to control the operation of the linear motor 10.

[0040] A first pressure detection circuit 30 is disposed on the base 110, and its output terminal is electrically connected to the main control circuit 20. The first pressure detection circuit 30 is used to output a corresponding first pressure detection signal to the main control circuit 20 when the slider 120 is driven to move in a first direction.

[0041] The second pressure detection circuit 40 is disposed on the base 110, and its output terminal is electrically connected to the main control circuit 20. The second pressure detection circuit 40 is used to output a corresponding second pressure detection signal to the main control circuit 20 when the slider 120 is driven to move in the second direction.

[0042] Wherein, the first direction and the second direction are opposite directions.

[0043] It should be understood that the linear guide rail includes the guide rail and the slider 120. The slider 120 needs to be clamped by the movable clamping member 130 on the base 110 first, and the specifications of the slider 120 are confirmed by the corresponding detection circuit, thereby confirming the preload of the corresponding slider 120.

[0044] In this embodiment, the main control circuit 20 can be implemented using a microprocessor, such as a DSP (Digital Signal Processor), FPGA (Field Programmable Gate Array), MCU (Microcontroller Unit), or SOC (System on Chip). In practical applications, a modular design can be achieved by setting up an expansion circuit board that is electrically connected to other corresponding circuits.

[0045] In this embodiment, both the first pressure detection circuit 30 and the second pressure detection circuit 40 can be implemented using pressure sensors composed of Wheatstone bridge circuits, capacitive pressure sensing circuits, etc. It is important to note that, to ensure the consistency of the first pressure detection signal output by the first pressure detection circuit 30 and the second pressure detection signal output by the second pressure detection circuit 40, the first pressure detection circuit 30 and the second pressure detection circuit 40 need to use the same type of pressure detection circuit and be symmetrically arranged on the base 110 in actual setup. It is understood that the distance between the first pressure detection circuit 30 and the second pressure detection circuit 40 on the base 110 can accommodate the slider 120 of the largest linear guide rail, so as to effectively detect the pressure generated when the slider 120 moves back and forth along the first and second directions. For example, after the linear guide rail to be tested is set on the linear guide rail smoothness tester, the slider 120 on the linear guide rail is located between the first pressure detection circuit 30 and the second pressure detection circuit 40. When the main control circuit 20 receives the corresponding start signal, it outputs a corresponding control signal to the linear motor 10, causing the linear motor 10 to drive the base 110 to move. This, in turn, causes the pressure detection components in the first pressure detection circuit 30 and the second pressure detection circuit 40 to move the slider 120 in the first and second directions, acquiring the corresponding pressure detection signals. The main control circuit 20 compares the received pressure detection signals with the pre-pressure value to confirm whether the linear guide rail under test meets the quality requirements.

[0046] By employing a linear guide smoothness detection circuit, the overall circuit structure design of the linear guide smoothness tester is optimized while improving the detection speed. This linear guide smoothness detection circuit is applied to the linear guide smoothness tester. The linear guide smoothness tester includes a linear motor 10 and a base 110, with the linear motor 10 driving the base 110 to move. Furthermore, both the first pressure detection circuit 30 and the second pressure detection circuit 40 are mounted on the base 110. The slider 120 is first clamped by the movable clamping member 130 on the base 110, and the specifications of the slider 120 are confirmed by the corresponding detection circuit, thereby confirming the pre-pressure corresponding to the specifications of the slider 120. Understandably, during testing, the slider 120 will be positioned between the first pressure detection circuit 30 and the second pressure detection circuit 40. This allows the linear motor 10 to drive the base 110 to move, thereby driving the first pressure detection circuit 30 and the second pressure detection circuit 40 located on the base 110, which in turn drives the slider 120 to move on the guide rail. This enables the main control circuit 20 to obtain the corresponding pressure detection signal and determine whether the linear guide rail is qualified.

[0047] refer to Figure 2 and Figure 3In one embodiment of this utility model, the linear guide smoothness detection circuit further includes a linear motor drive circuit 50. The input terminal of the linear motor drive circuit 50 is electrically connected to the main control circuit 20, and the output terminal of the linear motor drive circuit 50 is electrically connected to the linear motor 10. The linear motor drive circuit 50 is used to drive the linear motor 10 to work when it receives the control signal of the linear motor 10.

[0048] In this embodiment, the first pressure detection circuit 30 and the second pressure detection circuit 40 need to reciprocate in a first direction and a second direction, so that the main control circuit 20 can obtain the first pressure detection signal and the second pressure detection signal output by the first pressure detection circuit 30 and the second pressure detection circuit 40, respectively. The movement of both the first pressure detection circuit 30 and the second pressure detection circuit 40 is achieved by the linear motor 10 driving the base 110. Therefore, the main control circuit 20 needs to first output the corresponding linear motor 10 control signal to the linear motor 10, so that the linear motor 10 performs the corresponding action according to the linear motor 10 control signal. Specifically, the linear motor 10 control signal includes a pulse control signal, a direction control signal, and an enable control signal. The pulse control signal is used to control the motor speed, i.e., the moving speed of the linear motor 10 driving the base 110; the direction control signal is used to control the rotation direction of the motor, i.e., the moving direction of the linear motor 10 driving the base 110; and the enable control signal is used to control the start and stop of the motor, i.e., the movement or stationary position of the linear motor 10 driving the base 110.

[0049] refer to Figure 2 and Figure 4 In one embodiment of this utility model, the linear guide smoothness detection circuit further includes:

[0050] A first signal conversion circuit 60 is provided, with its first terminal electrically connected to the output terminal of the first pressure detection circuit 30 and its second terminal electrically connected to the main control circuit 20. The first signal conversion circuit 60 is used to convert the first pressure detection signal output by the first pressure detection circuit 30 and output it to the main control circuit 20.

[0051] The second signal conversion circuit 70 has a first terminal electrically connected to the output terminal of the second pressure detection circuit 40 and a second terminal electrically connected to the main control circuit 20. The second signal conversion circuit 70 is used to convert the second pressure detection signal output by the second pressure detection circuit 40 and output it to the main control circuit 20.

[0052] In this embodiment, the voltage detection signals output by the first voltage detection circuit and the second voltage detection circuit need to be processed by the first signal conversion circuit 60 and the second signal conversion circuit 70, respectively, to improve the accuracy of the signals before being output to the main control circuit 20. The first signal conversion circuit 60 and the second signal conversion circuit 70 can be implemented using circuits such as analog-to-digital converters or TTL-to-RS485 circuits. Taking a TTL-to-RS485 circuit as an example, TTL level signals are typically used for short-distance digital communication, and their low voltage level limits their effective transmission distance and speed. In contrast, RS485 uses differential signals for data transmission, enabling data transmission over long distances while maintaining a high data rate. Furthermore, because RS485 uses differential signal transmission, that is, transmitting two complementary states of a signal through a pair of twisted wires, this method can effectively resist common-mode interference, i.e., the same interference signal generated simultaneously on both lines. This characteristic makes RS485 perform excellently in noisy environments such as industrial settings. Therefore, the first voltage detection circuit and the second voltage detection circuit effectively achieve stable transmission of voltage detection signals through the first signal conversion circuit 60 and the second signal conversion circuit 70, respectively.

[0053] Optionally, the first signal conversion circuit 60 includes a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a first capacitor C1, a second capacitor C2, a first switching transistor Q1, a first power supply terminal, a second power supply terminal, and a first signal conversion chip.

[0054] Wherein, the first end of the first resistor R1 is electrically connected to the first power supply terminal, the first end of the second resistor R2, and the first end of the third resistor R3; the second end of the first resistor R1 is electrically connected to the receiving terminal of the main control circuit 20 and the first end of the fourth resistor R4; the second end of the second resistor R2 is electrically connected to the first end of the first switch Q1, the second end of the first signal conversion chip, and the third end of the first signal conversion chip; the second end of the fourth resistor R4 is electrically connected to the controlled terminal of the first switch Q1; the second end of the third resistor R3 is electrically connected to the first end of the first signal conversion chip and the transmitting terminal of the main control circuit 20; the second end of the first switch Q1 is electrically connected to the ground terminal and the first signal... The fourth and fifth terminals of the conversion chip are electrically connected; the first terminal of the fifth resistor R5 is electrically connected to the first terminal of the first capacitor C1, the first terminal of the second capacitor C2, the second power supply terminal, and the eighth terminal of the first signal conversion chip; the second terminal of the fifth resistor R5 is electrically connected to the sixth terminal of the first signal conversion chip, the second terminal of the sixth resistor R6, and the first pressure detection circuit 30; the first terminal of the sixth resistor R6 is electrically connected to the first terminal of the seventh resistor R7, the seventh terminal of the first signal conversion chip, and the first pressure detection circuit 30; the second terminal of the first capacitor C1 is electrically connected to the second terminal of the second capacitor C2, the second terminal of the seventh resistor R7, and the ground terminal.

[0055] The second signal conversion circuit 70 can adopt the same circuit structure as the first signal conversion circuit 60 to ensure signal consistency.

[0056] refer to Figure 2 and Figure 3 In one embodiment of this utility model, the linear guide smoothness tester further includes a servo motor 80 and a movable clamping member 130. The servo motor 80 is disposed on the base 110 and connected to the movable clamping member 130 to drive the movable clamping member 130 to work. The linear guide smoothness detection circuit further includes:

[0057] A distance detection circuit 90 is disposed on the movable clamping member 130, and the output terminal of the distance detection circuit 90 is electrically connected to the main control circuit 20; the distance detection circuit 90 is used to detect the length of the slider 120 along the first direction and output a distance detection signal to the main control circuit 20.

[0058] It is understandable that the qualification of the linear guide rail needs to be determined by the first pressure detection signal, the second pressure detection signal, and the pre-pressure value. The selection of the pre-pressure value needs to be confirmed based on the model of the linear guide rail, which can be confirmed by measuring the length of the slider 120 on the linear guide rail. Therefore, in this embodiment, by setting up a servo motor 80 and a movable clamping member 130, the linear guide rail is placed on the linear guide rail smoothness tester, and the slider 120 on the linear guide rail is then tested. The servo motor 80 is electrically connected to the servo motor drive circuit 100 and the main control circuit 20 to drive the servo motor 80. The clamping measurement of the slider 120 can be achieved using a fixed clamping member and a movable clamping member 130, or using two sets of movable clamping members 130.

[0059] In this embodiment, the distance detection circuit 90 is mounted on the movable clamping member 130. After receiving the control signal from the main control circuit 20 via the servo motor 80, it drives the movable clamping member 130 to perform a clamping action on the slider 120. The distance detection circuit 90 can be implemented using a distance sensor. The servo motor 80 determines whether the slider is properly clamped based on the feedback current. After clamping, the servo motor 80 outputs the current angle data to the main control circuit 20. At this time, the distance detection circuit 90 also experiences displacement due to the rotation angle of the servo motor 80. The main control circuit 20 performs dual verification using the servo motor 80 angle conversion and the displacement data from the distance detection circuit 90 to ultimately determine the actual length of the slider 120, thereby identifying the slider 120 model.

[0060] Optionally, the linear guide smoothness detection circuit further includes a servo drive circuit 100, the input terminal of which is electrically connected to the main control circuit 20, and the output terminal of which is electrically connected to the servo 80; the servo drive circuit 100 is used to drive the servo 80 to work when it receives a control signal from the servo 80.

[0061] In this embodiment, the servo drive circuit 100 is electrically connected to the main control circuit 20 through its input terminal and to the servo motor 80 through its output terminal, thereby receiving the control signal of the servo motor 80 output by the main control circuit 20 and driving the servo motor 80 to work, thereby driving the movable clamping member 130 to clamp the slider 120.

[0062] In one embodiment of this utility model, the linear guide smoothness detection circuit further includes a photoelectric detection circuit, which is disposed in the first mounting area of ​​the base 110; the output terminal of the photoelectric detection circuit is electrically connected to the main control circuit 20; the photoelectric detection circuit is used to detect the moving distance of the base 110 and output a corresponding photoelectric detection signal.

[0063] In this embodiment, the photoelectric detection circuit can be divided into two groups: a first photoelectric detection circuit and a second photoelectric detection circuit, respectively disposed in the first mounting area and the second mounting area of ​​the base 110. The photoelectric detection circuit can be implemented using a photoelectric sensor. The first mounting area and the second mounting area are located on both sides of the base 110 along the first and second directions, respectively. It is understood that the linear motor 10 receives a command and begins to move while the slider 120 is still clamped. When the slider 120 moves to the point where the first photoelectric sensor is triggered, the main control circuit 20 calculates the distance from the starting position of the slider 120 to the right side of the guide rail by recording the number of pulses from the linear motor 10 at this time and combining this pulse number with the photoelectric sensor signal. When the slider 120 continues to move to the point where the second photoelectric sensor is triggered, the distance from the slider 120 to the left side of the guide rail is calculated by similarly combining the pulse number with the sensor signal. Using the length of the slider 120 and the distances to both sides, the total effective length of the guide rail can be accurately calculated. In addition, the photoelectric detection signals output by the first photoelectric detection circuit and the second photoelectric detection circuit can effectively enable the main control circuit 20 to control the working state of the linear motor 10, thereby preventing the slider 120 from running beyond its length, i.e., the slider 120 moving beyond the length range of the guide rail under force.

[0064] In one embodiment of this utility model, the linear guide smoothness detection circuit further includes a prompting circuit, the input terminal of which is electrically connected to the main control circuit 20; the prompting circuit is used to output a corresponding prompting signal when it receives a prompting control signal output by the main control circuit 20.

[0065] In this embodiment, the prompting circuit can be implemented using an LED prompting circuit or a voice prompting circuit, etc. The input terminal of the prompting circuit is electrically connected to the main control circuit 20. After the main control circuit 20 confirms that the linear guide rail under test is qualified through the pressure detection signal, it outputs a corresponding prompting control signal to the prompting circuit, so that the prompting circuit outputs a prompting signal indicating that the linear guide rail is qualified; after the main control circuit 20 confirms that the linear guide rail under test is unqualified through the pressure detection signal, it outputs a corresponding prompting control signal to the prompting circuit, so that the prompting circuit outputs a prompting signal indicating that the linear conduction is unqualified.

[0066] refer to Figure 3 The present invention also proposes a linear guide smoothness tester, which includes a linear motor 10, a base 110, a servo motor 80, a movable clamping member 130, and a linear guide smoothness detection circuit as described in any of the above.

[0067] The linear motor 10 is used to drive the base 110 to move; the servo motor 80 is disposed on the base 110 and is connected to the movable clamping member 130 to drive the movable clamping member 130 to work.

[0068] It is worth noting that since the hydraulic flipping machine of this utility model is based on the above-mentioned control device, the embodiments of the hydraulic flipping machine of this utility model include all the technical solutions of all the embodiments of the above-mentioned hydraulic flipping machine, and the technical effects achieved are exactly the same, so they will not be repeated here.

[0069] In one embodiment of the present invention, the linear guide smoothness tester further includes a heat dissipation component, which is electrically connected to the main control circuit 20; the heat dissipation component is used to operate when it receives a heat dissipation control signal output by the main control circuit 20.

[0070] In this embodiment, the linear guide smoothness tester generates a significant amount of heat due to the prolonged operation of the linear motor 10 and servo motor 80. This heat can cause malfunctions in the circuitry of the linear guide smoothness tester. Therefore, a corresponding heat dissipation component is provided in this embodiment. This heat dissipation component can be implemented using a fan. The heat dissipation component operates when it receives a heat dissipation control signal output from the main control circuit 20 to dissipate heat from the linear guide smoothness tester.

[0071] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A linear guide rail smoothness detection circuit applied to a linear guide rail smoothness detector, characterized in that, The linear guide smoothness tester includes a linear motor and a base, the linear motor being used to drive the base to move; the linear guide smoothness detection circuit includes: The main control circuit is electrically connected to the linear motor; the main control circuit is used to output corresponding linear motor control signals to control the operation of the linear motor. A first pressure detection circuit is disposed on the base, and its output terminal is electrically connected to the main control circuit. The first pressure detection circuit is used to output a corresponding first pressure detection signal to the main control circuit when the slider moves in a first direction. A second pressure detection circuit is disposed on the base, and its output terminal is electrically connected to the main control circuit. The second pressure detection circuit is used to output a corresponding second pressure detection signal to the main control circuit when the slider moves in the second direction. Wherein, the first direction and the second direction are opposite directions.

2. The linear guide rail smoothness detection circuit according to claim 1, wherein The linear guide smoothness detection circuit also includes a linear motor drive circuit, the input terminal of which is electrically connected to the main control circuit, and the output terminal of which is electrically connected to the linear motor. The linear motor drive circuit is used to drive the linear motor to work when it receives the linear motor control signal.

3. The linear guide rail smoothness detection circuit according to claim 1, wherein The linear guide smoothness detection circuit also includes: A first signal conversion circuit, wherein a first terminal of the first signal conversion circuit is electrically connected to the output terminal of the first pressure detection circuit, and a second terminal of the first signal conversion circuit is electrically connected to the main control circuit; the first signal conversion circuit is used to convert the first pressure detection signal output by the first pressure detection circuit and output it to the main control circuit. The second signal conversion circuit has a first terminal electrically connected to the output terminal of the second pressure detection circuit and a second terminal electrically connected to the main control circuit. The second signal conversion circuit is used to convert the second pressure detection signal output by the second pressure detection circuit and output it to the main control circuit.

4. The linear guide rail smoothness detection circuit according to claim 3, wherein The first signal conversion circuit includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a first switching transistor, a first power supply terminal, a second power supply terminal, and a first signal conversion chip; Wherein, the first end of the first resistor is electrically connected to the first power supply terminal, the first end of the second resistor, and the first end of the third resistor; the second end of the first resistor is electrically connected to the receiving terminal of the main control circuit and the first end of the fourth resistor; the second end of the second resistor is electrically connected to the first end of the first switching transistor, the second end of the first signal conversion chip, and the third end of the first resistor; the second end of the fourth resistor is electrically connected to the controlled terminal of the first switching transistor; the second end of the third resistor is electrically connected to the first end of the first signal conversion chip and the transmitting terminal of the main control circuit; the second end of the first switching transistor is electrically connected to the ground terminal, the fourth end of the first signal conversion chip, and the fifth end of the first signal conversion chip; the first end of the fifth resistor is electrically connected to the first end of the first capacitor, the first end of the second capacitor, the second power supply terminal, and the eighth end of the first signal conversion chip; the second end of the fifth resistor is electrically connected to the sixth end of the first signal conversion chip, the second end of the sixth resistor, and the first pressure detection circuit; the first end of the sixth resistor is electrically connected to the first end of the seventh resistor, the seventh end of the first signal conversion chip, and the first pressure detection circuit; the second end of the first capacitor is electrically connected to the second end of the second capacitor, the second end of the seventh resistor, and the ground terminal.

5. The linear guide rail smoothness detection circuit according to claim 1, wherein The linear guide smoothness tester also includes a servo motor and a movable clamping component. The servo motor is mounted on the base and connected to the movable clamping component to drive it to operate. The linear guide smoothness detection circuit also includes: A distance detection circuit is disposed on the movable clamping member, and the output terminal of the distance detection circuit is electrically connected to the main control circuit; the distance detection circuit is used to detect the length of the slider along the first direction and output a distance detection signal to the main control circuit.

6. The linear guide rail smoothness detection circuit according to claim 5, wherein The linear guide smoothness detection circuit also includes a servo drive circuit. The input terminal of the servo drive circuit is electrically connected to the main control circuit, and the output terminal of the servo drive circuit is electrically connected to the servo. The servo drive circuit is used to drive the servo to work when it receives a servo control signal.

7. The linear guide rail smoothness detection circuit according to any one of claims 1 to 6, wherein The linear guide smoothness detection circuit also includes a photoelectric detection circuit, which is disposed in the first mounting area of ​​the base; the output terminal of the photoelectric detection circuit is electrically connected to the main control circuit; the photoelectric detection circuit is used to detect the moving distance of the base and output a corresponding photoelectric detection signal.

8. The linear guide rail smoothness detection circuit according to any one of claims 1 to 6, wherein The linear guide smoothness detection circuit also includes a prompting circuit, the input terminal of which is electrically connected to the main control circuit; the prompting circuit is used to output a corresponding prompting signal when it receives a prompting control signal output by the main control circuit.

9. A linear guide rail smoothness tester characterized by comprising: The linear guide smoothness tester includes a linear motor, a base, a servo motor, a movable clamping component, and a linear guide smoothness detection circuit as described in any one of claims 1 to 8. The linear motor is used to drive the base to move; the servo motor is mounted on the base and connected to the movable clamping member to drive the movable clamping member to work.

10. The linear guide rail smoothness tester of claim 9, wherein, The linear guide smoothness tester also includes a heat dissipation component, which is electrically connected to the main control circuit; the heat dissipation component is used to operate when it receives a heat dissipation control signal output by the main control circuit.

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