Workpiece thickness automatic detection jig

Abstract

A workpiece thickness automatic detection jig comprises a material conveying unit which comprises a conveying belt used for placing and conveying a workpiece, and a limiting detection station is arranged at the tail end of the conveying belt; the detection positioning unit is arranged on one side of the limiting inspection station of the material conveying unit, and the blowing cleaning unit is arranged on the opposite side of the limiting inspection station of the material conveying unit; the bottom of the blowing cleaning unit is arranged on the side face of the conveying belt, and a blowing guide pipe is arranged at the top; the sensor and operational amplifier unit comprises a sensor at the detection positioning unit, and a signal of the sensor is transmitted to an operational amplifier; a system controller of the system control unit receives detection results of the sensor and the operational amplifier and controls operation of the material conveying unit, the blowing cleaning unit and the detection positioning unit through signals. The workpiece thickness automatic detection jig realizes the process of detecting and screening the workpiece thickness, is high in efficiency and accurate in precision, realizes the full-automatic detection process, reduces the labor amount of personnel, and greatly improves the working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to machining technical field especially relates to a kind of automatic detection fixture for the thickness of automobile workpiece standardization inspection. BACKGROUND

[0002] ABS system and the thickness of the body series product in ESC system need to be detected after completing manufacturing process, deviation is found in product thickness, cannot satisfy the requirement of processing standard, use artificial detection, efficiency is relatively low, and there is the risk of missed detection and wrong detection.

[0003] ABS anti-lock braking system and ESC automobile electronic stability control system as the core components of modern automobile, its performance is good or bad greatly influences the life safety of driver, when there is fault, it will let life safety hidden danger of person. To the stability of car, motorcycle keeps safe and effective in steering rollover or emergency brake. The thickness accuracy of the body workpiece used in the system is very important for the whole system, if product thickness is not the same, it will lead to workpiece assembly valve core, piston too tight or too loose, cause brake oil control failure, when there is fault, there is life safety hidden danger, so workpiece product each thickness measurement is required.

[0004] Therefore, the present scheme mainly provides the technology and device of automatic high-precision intelligent detection for this kind of body workpiece, solves the state of most dependence on artificial in prior art, and is committed to improving work efficiency and reducing detection error. SUMMARY

[0005] The utility model discloses a kind of full-automatic detection fixture for the above problems, applied in production line, can with one equipment simultaneously satisfy the thickness accurate detection of multiple different models of product, and when checking does not comply with standard, it will be prompted and alarmed, reduce personnel labor intensity, improve inspection efficiency, greatly improve the accuracy of detection result, avoid the occurrence of missed detection and wrong detection situation.

[0006] The utility model relates to workpiece thickness automatic detection fixture, its characterized in that, the automatic detection fixture includes:

[0007] Conveying unit: including the workpiece and conveying workpiece's conveyer belt, limit detection station at its end;

[0008] Detection positioning unit: detection positioning unit is set at the limit checking station of conveying unit one side, and the other side is provided with blowing cleaning unit;

[0009] Blowing cleaning unit: bottom is set in conveyer belt side, and there is blowing guide pipe in its top;

[0010] Sensor and operational amplifier unit: a sensor is contained in the detection positioning unit, and the signal of the sensor is transmitted to the operational amplifier;

[0011] System control unit: the system controller receives the detection results of the sensor and the operational amplifier, and controls the operation of the feeding unit, the air blowing cleaning unit and the detection positioning unit through signals.

[0012] The detection positioning unit comprises a fixed base, a measurement slide rail, a measurement module base, a measurement module assembly, a clamping cylinder and a cylinder fixing frame, wherein the fixed base is directly fixed on the workbench, the measurement slide rail is arranged on the fixed base, the measurement module base is fixed on the measurement slide rail, and the measurement module assembly is fixed on the measurement module base; the cylinder fixing frame is arranged on the fixed base, and the clamping cylinder is suspended on the cylinder fixing frame, and both the clamping cylinder and the measurement module assembly are arranged towards the feeding unit.

[0013] The measurement module assembly comprises a measurement module fixing frame, a measurement module support and a measurement module, wherein the measurement module fixing frame is arranged on the measurement module base, and the measurement module base is provided with a groove, and the measurement module fixing frame is clamped into the groove to be fixed on the measurement module base; the measurement module support is arranged on the measurement module fixing frame, and the measurement module is inserted into the measurement module support for installation and arrangement.

[0014] The feeding unit comprises a conveying belt and a guide piece, wherein the guide piece comprises two guide pieces arranged on both sides of the conveying belt respectively to oppose the workpiece loading position.

[0015] The air blowing cleaning unit comprises a bracket base, a material returning cylinder, a light sensing cleaning fixing frame, a light sensing positioning sensor and an air blowing pipe, wherein the bracket base is fixed on the workbench, the light sensing cleaning fixing frame is fixed on the bracket base, the material returning cylinder, the light sensing positioning sensor and the air blowing pipe are arranged on the light sensing cleaning fixing frame, the material returning cylinder is arranged at the middle part of the light sensing cleaning fixing frame towards the workpiece, and the light sensing positioning sensor and the air blowing pipe are arranged at the top part of the light sensing cleaning fixing frame towards the workpiece.

[0016] The workpiece thickness automatic detection jig further comprises a machine base bracket, wherein the machine base bracket comprises a bracket leg, a bottom table and a top workbench, and the feeding unit, the detection positioning unit, the air blowing cleaning unit, the sensor and the operational amplifier unit and the system control unit are fixedly arranged on the workbench; the bracket leg supports the workbench, and the bottom table is arranged below the machine base bracket.

[0017] The workpiece thickness automatic detection jig further comprises an electric box, wherein the electric box is arranged on the bottom table of the machine base bracket to supply power to the entire detection jig.

[0018] The workpiece thickness automatic detection jig is provided with a feeding unit, a detection unit, a sensor and an operation control unit, realizes the detection and screening process of the workpiece thickness in a precise and intelligent manner, has high efficiency and high precision, realizes the full-automatic detection process, greatly reduces the labor amount of personnel and greatly improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole schematic view of the workpiece thickness automatic detection jig;

[0020] Figure 2 It is an exploded view of part structure of the workpiece thickness automatic detection jig;

[0021] Figure 3 It is an exploded view of the detection positioning unit of the workpiece thickness automatic detection jig;

[0022] Figure 4 It is an exploded view of the blowing cleaning unit of the workpiece thickness automatic detection jig;

[0023] In the figure, 10 is a feeding unit, 11 is a conveying belt, and 12 is a guide piece.

[0024] 20 is a detection positioning unit, 21 is a fixed base, 22 is a measuring slide rail, 23 is a measuring module base, 231 is a groove, 24 is a measuring module assembly, 241 is a measuring module, 242 is a measuring module fixing frame, 243 is a measuring module support, 25 is a clamping air cylinder, and 26 is an air cylinder fixing frame.

[0025] 30 is a blowing cleaning unit, 31 is a support base, 32 is a material returning air cylinder, 33 is a light sensing cleaning fixing frame, 34 is a light sensing positioning sensor, 35 is a blowing guide pipe, and 36 is an air cylinder fixing frame.

[0026] 40 is a sensor and operation amplifier unit.

[0027] 50 is a system control unit.

[0028] 60 is a machine stand support, 61 is a support leg, 62 is a bottom table surface, and 63 is a workbench surface.

[0029] 70 is an electric box.

[0030] 100 is a workpiece.

DETAILED DESCRIPTION

[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] Please refer to the attached document. Figure 1 and attached Figure 2 The document describes an automated workpiece thickness inspection fixture, characterized in that the automated inspection fixture comprises:

[0034] Conveying unit 10: includes a conveyor belt 11 for placing and conveying workpieces 100, with a limit detection station at its end;

[0035] Detection and positioning unit 20: A detection and positioning unit 20 is set on one side of the limit inspection station of the conveying unit, and an air blowing cleaning unit 30 is set on the opposite side.

[0036] Air cleaning unit 30: The bottom is located on the side of the conveyor belt, and there is an air blowing duct on its top;

[0037] Sensor and operational amplifier unit 40: Includes a sensor at the detection and positioning unit, and the sensor's signal is transmitted to the operational amplifier;

[0038] System control unit 50: The system controller receives the detection results from the sensors and operational amplifiers, and controls the operation of the conveying unit 10, the air blowing cleaning unit 30 and the detection and positioning unit 20 through signals.

[0039] The figure also illustrates that the automated workpiece thickness detection fixture includes a base support 60. The base support 60 includes support legs 61, a bottom platform 62, and a top worktable 63. The material conveying unit 10, detection and positioning unit 20, air blowing cleaning unit 30, sensor and operational amplifier unit 40, and system control unit 50 are all fixedly mounted on the worktable 63. The support legs 61 support the worktable 63, and the bottom platform 62 is located below the base support. The base support 60 as a whole supports the entire automated detection fixture and provides driving power.

[0040] Please refer to the attached drawings Figure 3 : Wherein the specific schematic shows the split structure of the detection positioning unit, the detection positioning unit 20 includes a fixed base 21, a measurement slide rail 22, a measurement module base 23, a measurement module assembly 24, a clamping cylinder 25, a cylinder fixing frame 26, wherein the fixed base 21 is directly fixed on the workbench surface 63, the measurement slide rail 22 is arranged on the fixed base 21, the measurement slide rail 22 is fixed on the measurement slide rail 22, and the measurement module assembly 24 is fixed on the measurement module base 23; The cylinder fixing frame 26 is erected on the fixed base 21, and the clamping cylinder 25 is suspended on the cylinder fixing frame 26, and the clamping cylinder 25 and the measurement module assembly 24 are placed towards the feeding unit 10.

[0041] The measurement module assembly 24 includes a measurement module fixing frame 242, a measurement module support 243 and a measurement module 241, wherein the measurement module fixing frame 242 is erected on the measurement module base 23, and the measurement module base 23 has a setting groove 231, and the measurement module fixing frame 242 is fixed on the measurement module base 23 by being clamped into the groove 231; The measurement module support 243 is arranged on the measurement module fixing frame 242, and the measurement module 241 is inserted into the measurement module support 242 for installation and arrangement.

[0042] Wherein the fixed base 21 is used to fix the entire detection positioning unit on the workbench surface 63, the measurement slide rail 22 is erected on the fixed base 21, the measurement slide rail 22 is used to drive the measurement component on it to move towards the workpiece to be detected, the cylinder fixing frame 26 is erected on the fixed base 21, and is used to fix and erect the clamping cylinder 25, after the work is conveyed to the position, the workpiece is pushed and pressed by the action of the clamping cylinder 25, so that the workpiece is in the best measurement starting position, then the measurement slide rail 22 moves towards the workpiece, drives the measurement module base 23 installed on the measurement slide rail 22 and the measurement module assembly 24 fixed on the measurement module base 23 to move towards the workpiece, and finally the measurement module 241 is on the workpiece, the thickness measurement of the workpiece 100 is completed, and the data is transmitted to the system control unit. Through data feedback, it is identified whether the workpiece is good or bad, the good product will automatically flow to the next process, the bad product will automatically stop, and an alarm will be prompted, the operator will take away the bad product after unlocking, and the machine will continue to work until the product is detected, and the power is turned off after manual switch.

[0043] The feeding unit 10 includes a conveyor belt 11 and a guide finger 12, wherein the guide finger 12 includes two guide fingers respectively arranged on the two sides of the conveyor belt 11 to oppose the workpiece feeding position. The feeding unit 10 is mainly used to place the incoming workpieces and adjust the workpieces to be sequentially placed so as to be sent to the position for detecting the thickness. Therefore, the feeding unit generally has a certain length of the conveyor belt 11. The workpiece 100 is placed on the conveyor belt 11, and the workpiece 100 is conveyed along with the movement of the belt. The guide finger 12 is arranged on the two sides of the conveyor belt 11 to adjust and arrange the workpieces. Generally, the guide finger 12 is used to arrange the workpieces more neatly.

[0044] The air blowing cleaning unit 30 includes a bracket base 31, a material returning cylinder 32, a light sensing cleaning fixing frame 33, a light sensing positioning sensor 34, and an air blowing pipe 35. The bracket base 31 is fixed on the workbench top surface 63. The light sensing cleaning fixing frame 33 is fixed on the bracket base 31. The material returning cylinder 32, the light sensing positioning sensor 34, and the air blowing pipe 35 are correspondingly arranged on the light sensing cleaning fixing frame 33. The material returning cylinder 32 is arranged at the middle part of the light sensing cleaning fixing frame 33 towards the workpiece. The light sensing positioning sensor 34 and the air blowing pipe 35 are arranged at the top part of the light sensing cleaning fixing frame 33 towards the workpiece. When the light sensing positioning sensor 34 senses that the workpiece is conveyed to the position, the sensing signal is triggered, the conveyor belt 11 is stopped, the workpiece 100 starts to be measured, and the detection positioning unit 20 completes the measurement. Then, the material returning cylinder 32 pushes the workpiece 100 to exit, so as to avoid the workpiece 100 from being damaged by the light sensing cleaning fixing frame 33.

[0045] A cylinder fixing frame 36 is further arranged to fix the material returning cylinder 32.

[0046] The workpiece thickness automatic detection jig further includes an electric box 70 arranged on the bottom surface 62 of the machine base bracket 60 to supply power to the entire detection jig.

[0047] The workpiece thickness automatic detection jig is configured with a feeding unit, a detection unit, a sensor, and an operation control unit. The workpiece thickness is detected and screened through the processes of feeding, positioning, detection, passing, and alarm. The workpiece thickness automatic detection jig has high efficiency and high precision, realizes the full-automatic detection process, greatly reduces the labor amount, and improves the work efficiency.

[0048] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form, although the present application is disclosed as above with preferred embodiments, however, is not intended to limit the present application, any skilled in the art, without departing from the technical scheme of the present application, when the above disclosed technical content is made some changes or modifications for equivalent embodiments of equivalent changes, but whatever is not out of the technical scheme of the present application, according to the present application, any simple modification, equivalent change and modification of the above embodiments, all belong to the scope of the technical scheme of the present application.

Claims

1. An automated workpiece thickness detection fixture, characterized in that, The automated testing fixture includes: Material conveying unit: includes a conveyor belt for placing and conveying workpieces, with a limit detection station at its end; Detection and positioning unit: A detection and positioning unit is set on one side of the limit inspection station of the conveying unit, and an air blowing cleaning unit is set on the opposite side; Air cleaning unit: The bottom is located on the side of the conveyor belt, and there is an air blowing duct on its top; Sensor and operational amplifier unit: The detection and positioning unit includes a sensor, and the sensor's signal is transmitted to the operational amplifier; System control unit: The system controller receives the detection results from the sensors and operational amplifiers, and controls the operation of the conveying unit, the air blowing cleaning unit, and the detection and positioning unit through signals.

2. The automated workpiece thickness detection fixture according to claim 1, characterized in that, The detection and positioning unit includes a fixed base, a measuring slide rail, a measuring module base, a measuring module assembly, a clamping cylinder, and a cylinder mounting bracket. The fixed base is directly fixed to the worktable. The measuring slide rail is set on the fixed base, the measuring module base is fixed on the measuring slide rail, and the measuring module assembly is fixed on the measuring module base. The cylinder mounting bracket is mounted on the fixed base, while the clamping cylinder is suspended on the cylinder mounting bracket. Both the clamping cylinder and the measuring module assembly are positioned facing the conveying unit.

3. The automated workpiece thickness detection fixture according to claim 2, characterized in that, The measurement module assembly includes a measurement module mounting bracket, a measurement module support, and a measurement module. The measurement module mounting bracket is mounted on the measurement module base and has a recess on the measurement module base. The measurement module mounting bracket is inserted into the recess and fixed to the measurement module base. The measurement module support is mounted on the measurement module mounting bracket, and the measurement module is inserted into the measurement module support for installation and setup.

4. The automated workpiece thickness detection fixture according to claim 3, characterized in that, The material conveying unit includes a conveyor belt and guide vanes, wherein the guide vanes include two sets respectively disposed on both sides of the conveyor belt, opposite the workpiece loading position.

5. The automated workpiece thickness detection fixture according to claim 4, characterized in that, The air-blowing cleaning unit includes a support base, a material ejection cylinder, a photosensitive cleaning bracket, a photosensitive positioning sensor, and an air-blowing duct. The support base is fixed to the workbench, the photosensitive cleaning bracket is fixed to the support base, and the material ejection cylinder, the photosensitive positioning sensor, and the air-blowing duct are respectively installed on the photosensitive cleaning bracket. The material ejection cylinder is located in the middle of the photosensitive cleaning bracket facing the workpiece, while the photosensitive positioning sensor and the air-blowing duct are located at the top of the photosensitive cleaning bracket facing the workpiece.

6. The automated workpiece thickness detection fixture according to any one of claims 1 to 5, characterized in that, The automated workpiece thickness detection fixture also includes a base support, which includes support legs, a bottom platform, and a top worktable. The material conveying unit, detection and positioning unit, air blowing and cleaning unit, sensor and operational amplifier unit, and system control unit are all fixedly mounted on the worktable. The support legs support the worktable, and the bottom platform is located below the base support.

7. The automated workpiece thickness detection fixture according to claim 6, characterized in that, The automatic workpiece thickness detection fixture also includes an electrical box, which is mounted on the base of the machine base support and provides power to the entire detection fixture.

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