Follow-up control testing device

Abstract

The utility model provides a follow-up control testing device. The follow-up control testing device comprises a fixing assembly, a linear driving assembly, a calibration plate, a calibration detection head and a tester. The fixed assembly is arranged on a movable block of the linear driving assembly, the calibration detection head and the tester are both arranged on the fixed assembly, the calibration plate is arranged at one end of the linear driving assembly, the calibration plate is located on a detection path of the calibration detection head, and the calibration plate and a test path of the tester are staggered. According to the follow-up control testing device, the calibration plate and the calibration detection head are arranged, when the linear driving assembly controls the calibration detection head to move to the set position, the calibration detection head can detect the actually measured distance value between the calibration detection head and the calibration plate, and the control system has a corresponding standard distance value for each position of the calibration detection head. Therefore, the actually measured distance value is compared with the standard distance value, and the control system can judge whether the working environment can influence the test of the tester or not, so that the collision of the machine tool can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of laser cutting processing equipment, in particular to a follow-up control testing device. Background Art

[0002] Follow-up control is a CNC machining term, also known as gap control. It means that in the CNC laser machining process, the change in the distance between the cutting head and the workpiece can be known by measuring the change in the capacitance value. After being processed by the feedback system, the servo system and the motor drive the cutting head up and down to control the laser cutting head and the workpiece surface to maintain a constant distance. As the surface of the workpiece fluctuates, the laser cutting head can adjust the axial position in real time to ensure that the distance between the cutting head and the cutting workpiece remains constant.

[0003] However, in the actual processing process, the on-site environment, for example, the generation of a large amount of plasma, may affect the measurement, causing the machine tool to collide and cause great losses.

[0004] Therefore, it is necessary to provide a follow-up control test device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a follow-up control test device to solve the problem that the follow-up control test device in the prior art may have inaccurate measurements, causing a machine tool collision and causing great losses.

[0006] In order to solve the above technical problems, the technical solution of the utility model is: a follow-up control test device, which includes: a fixing component, a linear drive component, a calibration plate, a calibration detection head, and a tester;

[0007] The linear drive component includes a movable block that is controlled to move, the fixed component is arranged on the movable block, the calibration detection head and the tester are both arranged on the fixed component, the calibration plate is arranged at one end of the linear drive component, the calibration plate is located on the detection path of the calibration detection head, and the calibration plate is misaligned with the test path of the tester.

[0008] In the utility model, the fixing assembly includes a fixing seat and a clamping seat arranged on one side of the fixing seat, the calibration detection head is arranged on the fixing seat, and the tester is detachably installed in the clamping seat.

[0009] Wherein, the clamping seat comprises a movable clamping plate, a fixed plate, a guide rod, a spring, and a control member, and the fixed plate comprises a first plate body and a second plate body connected into an L-shaped structure;

[0010] One end of the first plate body away from the second plate body is connected to the side surface of the fixed seat, the movable clamp is slidably connected to the inner side surface of the second plate body through the guide rod, the spring is sleeved on the guide rod and is located between the second plate body and the movable clamp, the control member passes through the second plate body and is fixedly connected to the movable clamp, the end of the control away from the movable clamp is provided with an end block, and the tester is clamped between the movable clamp and the side surface of the fixed seat.

[0011] Furthermore, the four corners of the movable splint are connected to the guide rods, each of the guide rods is sleeved with the spring, and one end of the control member is connected to the center of the movable splint.

[0012] In addition, a soft rubber gasket for flexible contact with the tester is provided on one side of the movable clamping plate.

[0013] In the utility model, the fixed seat includes a bottom plate and side plates arranged on three sides of one surface of the bottom plate, the two ends of one of the side plates in the middle are respectively connected to the two adjacent side plates, the calibration detection head is located inside the three side plates, the calibration detection head is in surface contact with the bottom plate, and the calibration detection head is fixedly connected to one of the side plates in the middle.

[0014] In the utility model, the linear drive assembly includes a motor, a mounting seat, a lead screw and a nut member, the lead screw is rotatably arranged on the mounting seat, the motor is transmission-connected to the lead screw, the nut member is transmission-sleeved on the lead screw, the movable block is slidingly connected to the mounting seat, and the movable block is fixedly connected to the nut member.

[0015] Among them, the linear drive component is arranged on a mounting plate, and the mounting plate is also provided with an input and output board, a power supply and a motor drive module connected to the motor, and the input and output board, the power supply and the motor drive module are all located on the same side of the linear drive component.

[0016] Furthermore, wire grooves are provided on three sides of one surface of the mounting plate, and the input-output board, the power supply and the motor drive module are surrounded inside the wire grooves.

[0017] In the utility model, a guide rail is arranged on the mounting seat, and a sliding block which is slidably matched with the guide rail is connected to the bottom of the movable block.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the follow-up control test device of the utility model is provided with a calibration plate and a calibration detection head. When the linear drive component controls the calibration detection head to move to a set position, the calibration detection head can measure the actual distance value between the calibration plate and the calibration plate, and feed the actual distance value back to the control system. The control system has a corresponding standard distance value for each position of the calibration detection head. In this way, the actual distance value is compared with the standard distance value. According to the degree of difference between the actual distance value and the standard distance value, the control system can determine whether the working environment will affect the test of the tester, thereby avoiding machine tool collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the utility model.

[0020] Figure 1 The present invention is a schematic structural diagram of a preferred embodiment of a follow-up control test device.

[0021] Figure 2 It is an enlarged view of the fixed component of a follow-up control test device of the utility model. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0023] Directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are only used for reference to the directions of the drawings. The directional terms used are used to illustrate and understand the present invention, and are not used to limit the present invention.

[0024] The words "first", "second" and the like in the terminology of the present invention are used for descriptive purposes only and should not be understood as indicating or implying relative importance, and should not be construed as limiting the order of precedence.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, the connection can be a detachable connection or a connection of an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] During operation, the follow-up control test device in the prior art may be affected by the on-site environment, for example, by the generation of a large amount of plasma, which may cause inaccurate measurements, resulting in machine tool collisions and causing significant losses.

[0027] The following is a preferred embodiment of a follow-up control test device provided by the utility model that can solve the above technical problems.

[0028] Please refer to Figure 1 ,in Figure 1 The present invention is a schematic structural diagram of a preferred embodiment of a follow-up control test device.

[0029] In the figures, structurally similar elements are denoted by the same reference numerals.

[0030] The utility model provides a follow-up control test device, which comprises a fixing component 11, a linear driving component 12, a calibration plate 13, a calibration detection head 14, and a tester 15.

[0031] The linear drive assembly 12 includes a movable block 124 that is controlled to move, the fixed assembly 11 is arranged on the movable block 124, the calibration detection head 14 and the tester 15 are both arranged on the fixed assembly 11, and the calibration plate 13 is arranged at one end of the linear drive assembly 12, the calibration plate 13 is located on the detection path of the calibration detection head 14, and the calibration plate 13 is misaligned with the test path of the tester 15. The tester 15 is used to measure the distance between the feedback cutting head and the workpiece.

[0032] The linear drive assembly 12 is arranged on the mounting plate 1A, and the mounting plate 1A is also provided with an input-output board 16, a power supply 17, and a motor drive module 18 connected to the motor 121. The input-output board 16 can be electrically connected to a control system (such as a computer), and the input-output board 16, the power supply 17, and the motor drive module 18 are all located on the same side of the linear drive assembly 12. When the linear drive assembly 12 controls the calibration detection head 14 to move to a set position, the calibration detection head 14 can measure the measured distance value between the calibration plate 13, and feed the measured distance value back to the control system, and the control system has a corresponding standard distance value for each position of the calibration detection head 14, so that the measured distance value is compared with the standard distance value. According to the difference between the measured distance value and the standard distance value, the control system can determine whether the working environment will affect the test of the tester 15. If the working environment has a great impact on the test, the machine tool can be controlled to stop, thereby avoiding a machine tool collision.

[0033] In this embodiment, wire grooves 19 are provided on three sides of one surface of the mounting plate, and the input / output board 16, the power supply 17 and the motor drive module 18 are surrounded by the inner side of the wire grooves 19 to facilitate wiring.

[0034] Please refer to Figure 2 In this embodiment, the fixing assembly 11 includes a fixing seat and a clamping seat arranged on one side of the fixing seat, the calibration detection head 14 is arranged on the fixing seat, and the tester 15 is detachably installed in the clamping seat.

[0035] Specifically, the clamping seat includes a movable clamping plate 114, a fixed plate 113, a guide rod 115, a spring 116, and a control member 117. The fixed plate 113 includes a first plate body and a second plate body connected in an L-shaped structure. Figure 2 The plate body in the transverse direction of the middle fixing plate 113 is a first plate body, and the plate body in the vertical direction is a second plate body.

[0036] One end of the first plate away from the second plate is connected to the side of the fixed seat, the movable clamping plate 114 is slidably connected to the inner side of the second plate through the guide rod 115, the spring 116 is sleeved on the guide rod 115 and is located between the second plate and the movable clamping plate 114, the control member 117 passes through the second plate and is fixedly connected to the movable clamping plate 114, and the end of the control away from the movable clamping plate 114 is provided with a terminal block, and the tester 15 is clamped between the movable clamping plate 114 and the side of the fixed seat. By pulling the control member 117 outward to increase the distance between the movable clamping plate 114 and the side of the fixed seat, the tester 15 can be easily installed.

[0037] The four corners of the movable clamping plate 114 are connected to guide rods 115, each of which is sleeved with a spring 116. One end of the control member 117 is connected to the center of the movable clamping plate 114, so that the clamping force of the movable clamping plate 114 on the tester 15 is uniform and the clamping strength is high.

[0038] In addition, one side of the movable clamping plate 114 may be provided with a soft rubber gasket for flexible contact with the tester 15 .

[0039] In this embodiment, the fixed seat includes a bottom plate 111 and side plates 112 arranged on three sides of one surface of the bottom plate 111. The two ends of a middle side plate 112 are respectively connected to two adjacent side plates 112. The calibration detection head 14 is located inside the three side plates 112. The calibration detection head 14 is in surface contact with the bottom plate 111. The calibration detection head 14 is fixedly connected to a middle side plate 112, and the structure is stable and the measurement accuracy is high.

[0040] Please refer to Figure 2 In this embodiment, the linear drive assembly 12 includes a motor 121, a mounting seat 122, a lead screw 123 and a nut member. The lead screw 123 is rotatably arranged on the mounting seat 122. The motor 121 is transmission-connected with the lead screw 123. The nut member is transmission-sleeved on the lead screw 123. The movable block 124 is slidingly connected with the mounting seat 122. The movable block 124 is fixedly connected with the nut member. The motor 121 drives the lead screw 123 to rotate, thereby driving the movable block 124 to move.

[0041] In this embodiment, a guide rail 125 is provided on the mounting seat 122 , and a slider 126 slidably matched with the guide rail 125 is connected to the bottom of the movable block 124 .

[0042] A follow-up control test device of the preferred embodiment of the present invention is provided with a calibration plate and a calibration detection head. When the linear drive component controls the calibration detection head to move to a set position, the calibration detection head can measure the actual distance value between the calibration plate and the calibration plate, and feed back the actual distance value to the control system. The control system has a corresponding standard distance value for each position of the calibration detection head. In this way, the actual distance value is compared with the standard distance value. According to the degree of difference between the actual distance value and the standard distance value, the control system can determine whether the working environment will affect the test of the tester, thereby avoiding machine tool collision.

[0043] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. A follow-up control test device, characterized in that: It includes: a fixing assembly, a linear drive assembly, a calibration plate, a calibration detection head, and a tester; The linear drive component includes a movable block that is controlled to move, the fixed component is arranged on the movable block, the calibration detection head and the tester are both arranged on the fixed component, the calibration plate is arranged at one end of the linear drive component, the calibration plate is located on the detection path of the calibration detection head, and the calibration plate is misaligned with the test path of the tester.

2. A follow-up control test device according to claim 1, characterized in that: The fixing assembly comprises a fixing seat and a clamping seat arranged at one side of the fixing seat, the calibration detection head is arranged on the fixing seat, and the tester is detachably installed in the clamping seat.

3. A follow-up control test device according to claim 2, characterized in that: The clamping seat includes a movable clamping plate, a fixed plate, a guide rod, a spring, and a control member, and the fixed plate includes a first plate body and a second plate body connected into an L-shaped structure; One end of the first plate body away from the second plate body is connected to the side surface of the fixed seat, the movable clamp is slidably connected to the inner side surface of the second plate body through the guide rod, the spring is sleeved on the guide rod and is located between the second plate body and the movable clamp, the control member passes through the second plate body and is fixedly connected to the movable clamp, the end of the control away from the movable clamp is provided with an end block, and the tester is clamped between the movable clamp and the side surface of the fixed seat.

4. A follow-up control test device according to claim 3, characterized in that: The four corners of the movable splint are connected with the guide rods, each of the guide rods is sleeved with the spring, and one end of the control member is connected with the central part of the movable splint.

5. A follow-up control test device according to claim 3, characterized in that: One side of the movable clamp is provided with a soft rubber pad for flexibly contacting with the tester.

6. A follow-up control test device according to claim 2, characterized in that: The fixing seat includes a bottom plate and side plates arranged on three sides of one surface of the bottom plate, the two ends of a middle side plate are respectively connected to two adjacent side plates, the calibration detection head is located inside the three side plates, the calibration detection head is in surface contact with the bottom plate, and the calibration detection head is fixedly connected to a middle side plate.

7. The follow-up control test device according to claim 1, characterized in that: The linear drive assembly includes a motor, a mounting seat, a lead screw and a nut member. The lead screw is rotatably arranged on the mounting seat, the motor is transmission-connected to the lead screw, the nut member is transmission-sleeved on the lead screw, the movable block is slidably connected to the mounting seat, and the movable block is fixedly connected to the nut member.

8. A follow-up control test device according to claim 7, characterized in that: The linear drive assembly is arranged on a mounting plate, and an input-output board, a power supply and a motor drive module connected to the motor are also arranged on the mounting plate. The input-output board, the power supply and the motor drive module are all located on the same side of the linear drive assembly.

9. A follow-up control test device according to claim 8, characterized in that: Wire grooves are arranged on three sides of one surface of the mounting plate, and the input-output board, the power supply and the motor drive module are surrounded on the inner side of the wire grooves.

10. The follow-up control test device according to claim 7, characterized in that: A guide rail is arranged on the mounting seat, and a sliding block which is slidably matched with the guide rail is connected to the bottom of the movable block.

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