A workpiece inspection fixture with an adsorption mechanism

Abstract

This utility model discloses a workpiece inspection fixture with an adsorption mechanism, including a base. A fixing tube is fixedly installed through the center of the top of the base. Support rods located on the front and rear sides of the fixing tube are fixedly installed on the top of the base. A bidirectional lead screw is rotatably connected to the bottom inside the base. A drive motor located at one end of the bidirectional lead screw is fixedly installed at the bottom inside the base. Rotating shafts are rotatably connected through the four corners of the top of the base. The output end of the drive motor is fixedly installed to one end of the bidirectional lead screw. A movable crossbar is threaded through the bidirectional lead screw. The two ends of the movable crossbar are movably connected to the bottom of the rotating shaft. The flatness of the workpiece bottom is detected by comparing the values ​​of multiple pressure sensors. When measuring the contribution height with other instruments, the suction cup adsorbs the workpiece to prevent it from shaking during measurement.

Description

Technical Field

[0001] This utility model relates to the field of workpiece inspection technology, specifically to a workpiece inspection fixture with an adsorption mechanism. Background Technology

[0002] With the continuous development of productivity, the development speed of various industries is constantly increasing. In the field of machining, customers' requirements for the quality of manufactured workpieces are constantly increasing, and the strictness and standards of the sampling inspection of manufactured workpieces are also constantly being deepened to ensure that the produced workpieces meet the required precision. In the past, the method of inspecting the level or thickness of workpieces was to directly place the workpiece on a level workbench and check whether the level instrument is level. However, in reality, the workbench on which the workpiece is placed may not be level, which will affect the inspection results. Furthermore, due to the instability of the workbench, if the workpiece shakes during the inspection process, it will also affect the inspection results and the specifications of the workpiece inspection.

[0003] Therefore, we propose a workpiece inspection fixture with an adsorption mechanism. Utility Model Content

[0004] The purpose of this invention is to provide a workpiece inspection fixture with an adsorption mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a workpiece inspection fixture with an adsorption mechanism, comprising a base, a fixed tube fixedly installed through the middle of the top of the base, support rods fixedly installed on the top of the base on both sides of the fixed tube, a bidirectional lead screw rotatably connected to the bottom of the interior of the base, a drive motor fixedly installed at one end of the bidirectional lead screw, rotating shafts rotatably connected through the four corners of the top of the base, the output end of the drive motor fixedly installed to one end of the bidirectional lead screw, a movable crossbar threaded through the bidirectional lead screw, both ends of the movable crossbar being movably connected to the bottom of the rotating shaft, a pressing roller provided at the top of the rotating shaft, a pressure sensor provided at the top of the support rod, a suction cup fixedly installed at the top of the fixed tube, a connecting air pipe fixedly installed at the bottom of the fixed tube inside the base, and a quick connector for quick connection to a vacuum system provided at the other end of the connecting air pipe.

[0006] Optionally, multiple fixing tubes are fixedly installed through the top of the base. The multiple fixing tubes are evenly distributed, with their tops flush. The bottoms of the multiple fixing tubes are connected in series by multiple connecting air pipes.

[0007] Optionally, the support rods are evenly distributed on the front and rear sides of the fixed tube, and the tops of the support rods are flush with each other.

[0008] Optionally, connecting rods are rotatably connected to both ends of the movable crossbar, and a rotating rod located inside the base is fixedly installed at the bottom of the rotating shaft. The other end of the connecting rod is rotatably connected to the end of the rotating rod.

[0009] Optionally, a deflection rod is fixedly installed at the top of the rotating shaft, two connecting shafts are fixedly installed at the end of the deflection rod, and a clamping roller is rotatably connected to the bottom of the connecting shaft.

[0010] Optionally, the bottoms of the plurality of abutment rollers are located on the same plane, and the top of the pressure sensor is higher than the bottom of the abutment rollers.

[0011] Optionally, the top of the base is fixedly installed with guide slide rods located on the front and rear sides of the bidirectional lead screw, and the guide slide rods are slidably connected through the middle of the moving crossbar.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This workpiece inspection fixture with an adsorption mechanism uses a suction cup and a pressure sensor. After the workpiece is placed on top of the suction cup, the vacuum system connected by a quick connector generates negative pressure between the suction cup and the bottom of the workpiece, fixing the workpiece in place while simultaneously causing it to press against the pressure sensor. The flatness of the bottom of the workpiece is detected by comparing the values ​​from multiple pressure sensors. At the same time, when measuring the height of the workpiece using other instruments, the suction cup adsorbs the workpiece to prevent it from shaking during measurement.

[0014] This workpiece inspection fixture with an adsorption mechanism, by setting a rotating shaft, places the workpiece on the suction cup, and then the drive motor drives the bidirectional lead screw to rotate, which in turn moves the moving crossbar. The moving crossbar drives the rotating shaft to rotate through the connecting rod and the rotating rod, which in turn causes the deflection rod to drive the clamping roller to deflect, so that the workpiece is centered and the measurement accuracy is improved. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a workpiece inspection fixture with an adsorption mechanism according to the present invention.

[0016] Figure 2 This is a schematic diagram of the base of a workpiece inspection fixture with an adsorption mechanism according to the present invention.

[0017] Figure 3 This is a schematic diagram of the rotating shaft of a workpiece inspection fixture with an adsorption mechanism according to the present invention.

[0018] Figure 4 This is a schematic diagram of the suction cup of a workpiece inspection fixture with an adsorption mechanism according to the present invention.

[0019] In the diagram: 1. Base; 2. Support rod; 3. Pressure sensor; 4. Rotating shaft; 5. Deflecting rod; 6. Connecting shaft; 7. Pressing roller; 8. Drive motor; 9. Two-way lead screw; 10. Moving crossbar; 11. Connecting rod; 12. Rotating rod; 13. Guide slide bar; 14. Quick connector; 15. Connecting air pipe; 16. Fixing pipe; 17. Suction cup. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1 to 4 This utility model provides a workpiece inspection fixture with an adsorption mechanism, including a base 1. A fixed tube 16 is fixedly installed through the middle of the top of the base 1. Support rods 2 are fixedly installed on the top of the base 1 on both sides of the fixed tube 16. A bidirectional lead screw 9 is rotatably connected to the bottom inside the base 1. A drive motor 8 is fixedly installed at one end of the bidirectional lead screw 9. Rotating shafts 4 are rotatably connected through the four corners of the top of the base 1. The output end of the drive motor 8 is fixedly installed to one end of the bidirectional lead screw 9. A movable crossbar 10 is threadedly connected through the bidirectional lead screw 9. The two ends of the movable crossbar 10 are movably connected to the bottom of the rotating shaft 4. A pressing roller 7 is provided on the top of the rotating shaft 4. The top of the support rods 2... The unit is equipped with a pressure sensor 3. A suction cup 17 is fixedly installed on the top of the fixing tube 16, and a connecting air pipe 15 located inside the base 1 is fixedly installed on the bottom of the fixing tube 16. The other end of the connecting air pipe 15 is equipped with a quick connector 14 for quick connection to the vacuum system. By setting up the suction cup 17 and the pressure sensor 3, after the workpiece is placed on the top of the suction cup 17, the vacuum system connected to the quick connector 14 generates a negative pressure between the suction cup 17 and the bottom of the workpiece, which fixes the workpiece and makes the workpiece squeeze the pressure sensor 3. The flatness of the bottom of the workpiece is detected by comparing the values ​​of multiple pressure sensors 3. At the same time, when measuring the contribution height with other instruments, the suction cup 17 adsorbs the workpiece to prevent the workpiece from shaking during the measurement.

[0022] Multiple fixed tubes 16 are fixedly installed through the top of the base 1. The multiple fixed tubes 16 are evenly distributed, with their tops flush and their bottoms connected in series by multiple connecting air pipes 15.

[0023] The support rods 2 are evenly distributed on the front and rear sides of the fixed tube 16, and the top of the support rods 2 is flush with the tube.

[0024] The two ends of the movable crossbar 10 are rotatably connected to the connecting rods 11. The bottom of the rotating shaft 4 is fixedly installed with a rotating rod 12 located inside the base 1. The other end of the connecting rod 11 is rotatably connected to the end of the rotating rod 12.

[0025] A deflection rod 5 is fixedly installed on the top of the rotating shaft 4, and two connecting shafts 6 are fixedly installed at the end of the deflection rod 5. A clamping roller 7 is rotatably connected to the bottom of the connecting shaft 6.

[0026] The bottoms of multiple pressing rollers 7 are located on the same plane, and the top of the pressure sensor is higher than the bottom of the pressing rollers 7.

[0027] Inside the base 1, a guide slide rod 13 is fixedly installed on the top of the double-acting lead screw 9 on both sides. The guide slide rod 13 is slidably connected to the middle of the moving crossbar 10. After the workpiece is placed on the suction cup 17 by setting the rotating shaft 4, the drive motor 8 drives the double-acting lead screw 9 to rotate, which in turn causes the moving crossbar 10 to move. The moving crossbar 10 drives the rotating shaft 4 to rotate through the connecting rod 11 and the rotating rod 12, which in turn causes the deflection rod 5 to drive the pressing roller 7 to deflect, so that the workpiece is centered and the measurement accuracy is improved.

[0028] Working principle:

[0029] After the workpiece is placed on the suction cup 17, the drive motor 8 drives the bidirectional lead screw 9 to rotate, which in turn moves the moving crossbar 10. The moving crossbar 10 drives the rotating shaft 4 to rotate through the connecting rod 11 and the rotating rod 12, which in turn causes the deflection rod 5 to drive the pressing roller 7 to deflect, so that the workpiece is centered. After the workpiece is centered on the top of the suction cup 17, the vacuum system connected to the quick connector 14 generates negative pressure between the suction cup 17 and the bottom of the workpiece, fixing the workpiece in place while causing the workpiece to press against the pressure sensor 3. The flatness of the bottom of the workpiece is detected by comparing the values ​​of multiple pressure sensors 3. At the same time, when the contribution height is measured by other instruments, the suction cup 17 adsorbs the workpiece to prevent the workpiece from shaking during the measurement.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A workpiece inspection fixture with an adsorption mechanism, comprising a base (1), characterized in that, A fixed tube (16) is fixedly installed through the middle of the top of the base (1). Support rods (2) located on the front and rear sides of the fixed tube (16) are fixedly installed on the top of the base (1). A double-acting screw (9) is rotatably connected to the bottom inside the base (1). A drive motor (8) located at one end of the double-acting screw (9) is fixedly installed at the bottom inside the base (1). Rotating shafts (4) are rotatably connected through the four corners of the top of the base (1). The output end of the drive motor (8) is fixedly installed to one end of the double-acting screw (9). (9) A movable crossbar (10) is connected through a thread. The two ends of the movable crossbar (10) are movably connected to the bottom of the rotating shaft (4). The top of the rotating shaft (4) is provided with a pressing roller (7). The top of the support rod (2) is provided with a pressure sensor (3). The top of the fixed tube (16) is fixedly installed with a suction cup (17). The bottom of the fixed tube (16) is fixedly installed with a connecting air pipe (15) located inside the base (1). The other end of the connecting air pipe (15) is provided with a quick connector (14) for quick connection with the vacuum system.

2. The workpiece inspection fixture with an adsorption mechanism according to claim 1, characterized in that, The top of the base (1) is fixedly installed with multiple fixed tubes (16), which are evenly distributed. The tops of the multiple fixed tubes (16) are flush, and the bottoms of the multiple fixed tubes (16) are connected in series by multiple connecting air pipes (15).

3. The workpiece inspection fixture with an adsorption mechanism according to claim 1, characterized in that, The support rods (2) are evenly distributed on the front and rear sides of the fixed tube (16), and the top of the support rods (2) are flush with each other.

4. The workpiece inspection fixture with an adsorption mechanism according to claim 1, characterized in that, The two ends of the movable crossbar (10) are rotatably connected to connecting rods (11), and the bottom of the rotating shaft (4) is fixedly installed with a rotating rod (12) located inside the base (1). The other end of the connecting rod (11) is rotatably connected to the end of the rotating rod (12).

5. A workpiece inspection fixture with an adsorption mechanism according to claim 4, characterized in that, A deflection rod (5) is fixedly installed at the top of the rotating shaft (4), and two connecting shafts (6) are fixedly installed at the end of the deflection rod (5). A clamping roller (7) is rotatably connected to the bottom of the connecting shaft (6).

6. A workpiece inspection fixture with an adsorption mechanism according to claim 5, characterized in that, The bottoms of the plurality of the abutting rollers (7) are located on the same plane, and the top of the pressure sensor is higher than the bottom of the abutting rollers (7).

7. A workpiece inspection fixture with an adsorption mechanism according to claim 1, characterized in that, The top of the base (1) is fixedly installed with guide slide rods (13) located on the front and rear sides of the two-way lead screw (9), and the guide slide rods (13) are slidably connected to the middle of the moving crossbar (10).

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