Double-station chuck runout detection mechanism for automobile compressor

Abstract

The application provides a double-station chuck runout detection mechanism for an automobile compressor, which comprises a fixed seat assembly, a positioning seat assembly, a displacement sensor assembly, a jig table lifting assembly, a jig table rotating assembly, a pressure head assembly and a pressing assembly. The pressing assembly is installed on the upper surface of the positioning seat assembly, the pressure head assembly is installed below the middle part of the pressing assembly, and the displacement sensor assembly is installed on one side of the upper surface of the positioning seat assembly below the pressure head assembly. The jig table lifting assembly is installed on the lower surface of the fixed seat assembly, and the jig table rotating assembly is installed on the top of the jig table lifting assembly. The application has high automation degree, can be used with a flow line, has strong compatibility, wide application range and high measurement precision. The application adopts a man-machine separation concept and a double-station design concept, effectively improves production efficiency, can realize rapid clamping, meets the demand of various products and has strong compatibility.

Description

TECHNICAL FIELD

[0001] The application relates to a double-station chuck runout detection mechanism for an automobile compressor and belongs to the technical field of automatic detection equipment. BACKGROUND

[0002] With the rapid development of the automobile industry, the demand for automobile air conditioner compressors and clutches is increasing year by year. As one of the core components of the clutch, the quality of the chuck determines the product performance of the entire clutch, and the chuck runout parameter is one of the most critical indicators of the chuck. Therefore, the measurement of the chuck runout is particularly important for the quality control of the finished chuck. At present, the detection process of the product lacks effective control means for the chuck runout, and the detection means is single, and only a standard runout detector can be used for detection. The detection process is very complex, the efficiency is low, and the detection accuracy cannot be guaranteed due to human factors. There is no convenient and reliable special detection equipment to meet the market demand. Therefore, it is urgent to develop a professional detection mechanism with simple operation, high precision, high efficiency and stable detection.

[0003] The existing chuck runout detection process mainly fixes the chuck product on the detection shaft through the nut by the operator, then installs the detection shaft on the runout detector, manually adjusts the dial gauge table frame by the operator, adjusts the dial gauge needle to the detection position of the product to be detected, and then slowly rotates the chuck in one direction to obtain the detection result through the dial gauge needle swing. The entire detection process is very complex, the human influence factor is large, the detection precision is poor, the detection efficiency is low, and the labor intensity of the operator is large. SUMMARY

[0004] The application aims to solve the problems of the existing chuck runout detection method and equipment, such as poor detection precision, complicated operation and low efficiency, and provides a double-station chuck runout detection mechanism for an automobile compressor, which has the characteristics of simple and safe operation, high and stable detection precision, high efficiency and strong compatibility.

[0005] The technical solution of the application is a double-station chuck runout detection mechanism for an automobile compressor, which comprises a fixed seat assembly, a positioning seat assembly, a displacement sensor assembly, a jig table lifting assembly, a jig table rotating assembly, a pressure head assembly and a pressing assembly. The edges of the fixed seat assembly and the positioning seat assembly are connected and fixed to each other. The pressing assembly is installed below the middle part of the lower surface of the positioning seat assembly. The displacement sensor assembly is installed on one side of the upper surface of the positioning seat assembly below the pressure head assembly. The jig table lifting assembly is installed on the lower surface of the fixed seat assembly, and the jig table rotating assembly is installed on the top of the jig table lifting assembly.

[0006] Further, the fixed seat assembly is located at the front end of the overall mechanism, comprising a base plate, a positioning connecting plate, a first guide copper sleeve, a first stepped positioning pin, and a first dismounting handle; wherein the middle part of the base plate is provided with a square through hole, and the left and right sides of the base plate are respectively and symmetrically provided with one first dismounting handle; two positioning connecting plates are symmetrically arranged on the upper surface of the base plate, and the surface of each positioning connecting plate is provided with one first guide copper sleeve; each first guide copper sleeve is combined with the first stepped positioning pin arranged below the base plate, and the tolerance fit between the first guide copper sleeve and the first stepped positioning pin enables the positioning connecting plate to be accurately fixed on the base plate.

[0007] Further, the positioning seat assembly is located at the rear end of the overall mechanism, comprising a base plate, a connecting plate, a positioning plate, a second stepped positioning pin, a second guide copper sleeve, a mounting connecting plate, a mounting base plate, a positioning strip, a former mounting plate, a support rib plate, a punch former, and a second dismounting handle; wherein the left and right sides of the base plate are symmetrically provided with a pair of dismounting handles, the middle part of the base plate is provided with a groove, and the two sides of the groove are symmetrically provided with a pair of second stepped positioning pins; the positioning plate is installed on the upper surface of the base plate through a pair of second guide copper sleeves arranged on the surface thereof, and the tolerance fit between the second stepped positioning pin and the second guide copper sleeve enables the positioning plate to be accurately fixed on the connecting plate; one end of the mounting connecting plate is fixed on the positioning plate through a positioning pin and a screw, and the support rib plate is arranged on the two sides of the mounting connecting plate; the mounting base plate is fixed on the mounting connecting plate through a positioning pin and a screw, the positioning strip is fixed on the mounting base plate, the former mounting plate is accurately fixed on the mounting base plate through cooperation with the positioning strip, and the punch former is fixed at the front end of the former mounting plate.

[0008] Further, the displacement sensor assembly comprises a cylinder fixing plate, a pneumatic sliding table cylinder, a cylinder connecting plate, a sensor fixing block, a displacement sensor, an adjusting block, an adjusting screw seat, and an adjusting screw; wherein the first cylinder fixing plate is vertically fixed on one side of the groove of the base plate; the pneumatic sliding table cylinder is installed on the right side surface of the first cylinder fixing plate, the first cylinder connecting plate is installed on the right side surface of the pneumatic sliding table cylinder, the sensor fixing block is installed on the right side surface of the first cylinder connecting plate, and the displacement sensor is installed at the end of the sensor fixing block; the adjusting screw seat is arranged in front of the pneumatic sliding table cylinder, and an adjusting screw is arranged in the adjusting screw seat; the end of the adjusting screw is connected to the first cylinder fixing plate through the adjusting block.

[0009] Further, the jig lifting assembly is located directly below the fixed seat assembly, which comprises a double-shaft air cylinder, a second air cylinder fixing plate, a large support column, a connecting plate, a connecting column, a floating joint, a second air cylinder connecting plate, a small support column, a first flange linear bearing, and a swing platform fixing plate; wherein four connecting columns are fixed to the lower surface of the base plate and are fixed to the four corners of the connecting plate at the same time, and the upper surface of the connecting plate is provided with the swing platform fixing plate; the second air cylinder connecting plate is fixed to the lower surface of the connecting plate through four small support columns, and a flange linear bearing is arranged at the connection between each small support column and the connecting plate; the center of the lower surface of the second air cylinder connecting plate is connected to the center of the upper surface of the air cylinder fixing plate through the floating joint, and one large support column is installed at each of the four corners of the upper surface of the second air cylinder fixing plate, and the top end of the large support column is connected to the lower surface of the connecting plate; the double-shaft air cylinder is installed at the center of the lower surface of the second air cylinder fixing plate.

[0010] Further, the jig table rotating assembly comprises a swing platform, a jig base plate, and a product jig; wherein the bottom of the swing platform is fixed to the upper surface of the swing platform fixing plate, the center of the swing platform is provided with a rotating air cylinder, the jig base plate is fixed to the rotating air cylinder, and two groups of product jigs are symmetrically installed on both sides of the jig base plate with the rotating air cylinder as the center.

[0011] Further, the pressure head assembly comprises a fixed seat, a bearing seat, a deep groove ball bearing, a large bearing adjusting ring, a small bearing adjusting ring, a thrust needle bearing, a connecting seat, a precision U-shaped nut, a pressure head seat, a pressure head, a spring, an adjusting screw, and a contact head; wherein the fixed seat is installed below the lower pressing assembly; the bearing seat is installed at the bottom of the fixed seat, two deep groove ball bearings and one thrust needle bearing are installed in the bearing seat, a small bearing adjusting ring is arranged between the two deep groove ball bearings, a large bearing adjusting ring is arranged between the deep groove ball bearing at the bottom and the thrust needle bearing; the connecting seat passes through the two deep groove ball bearings and the thrust needle bearing and is installed at the bottom of the bearing seat, the pressure head seat is fixed to the lower surface of the connecting seat through a screw, and the inside of the pressure head seat is provided with the adjusting screw; the pressure head is installed in the opening at the bottom of the pressure head seat, the inside of the pressure head is provided with the spring, and the front end of the pressure head is provided with the contact head made of non-metallic material.

[0012] Further, the lower pressing assembly comprises a guide shaft support, a guide column, a lower pressing plate, a second flange linear bearing, a top plate, a cylinder, a cylinder connector, a floating seat, a hoop and a buffer pad; the top plate is installed on the upper surface of the lower pressing plate, the cylinder is installed at the center of the top plate, the cylinder connector at the bottom of the cylinder is installed on the upper surface of the lower pressing plate through the floating seat, one guide column is installed on the left and right sides of the lower pressing plate respectively, the bottom of each guide column is provided with a guide shaft support, the top of each guide column is installed on the lower surface of the top plate through the second flange linear bearing, the lower pressing plate is slidably assembled with the guide column through the second flange linear bearing, the smooth operation of the lower pressing mechanism is ensured, and the up-down movement of the mechanism is realized through the cylinder fixed on the top plate; a group of hoops and buffer pads are arranged at the middle part of each guide column.

[0013] Compared with the prior art, the advantages of the present application are that:

[0014] 1) The whole measuring process using the mechanism is free of personnel participation, realizes automatic detection and judgment, has high automation degree, can be used in cooperation with a flow line, has strong compatibility and wide application range;

[0015] 2) The whole mechanism uses high-precision contact sensors to realize automatic detection and judgment, eliminates human factor interference and improves measuring precision;

[0016] 3) The man-machine separation concept is adopted, the manual operation process and equipment detection are separated, and personnel safety is effectively ensured;

[0017] 4) The double-station design concept is adopted, the feeding and discharging and testing can be simultaneously performed, and production efficiency is effectively improved;

[0018] 5) The high-precision punch forming machine is adopted, quick clamping can be realized, the demand for multiple varieties of products is met, and the compatibility is strong. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHMENT Figure 1 It is a schematic view of the automatic detection structure of the suction cup runout.

[0020] ATTACHMENT Figure 2 It is a schematic view of the fixed seat assembly structure.

[0021] ATTACHMENT Figure 3 It is a schematic view of the positioning seat assembly structure.

[0022] ATTACHMENT Figure 4 It is a schematic view of the displacement sensor assembly structure.

[0023] ATTACHMENT Figure 5 It is a schematic view of the jig table lifting assembly structure.

[0024] ATTACHMENT Figure 6 It is a schematic view of the jig table rotating assembly structure.

[0025] Appendix Figure 7 This is a schematic diagram of the pressure head assembly structure.

[0026] Appendix Figure 8 This is a schematic diagram of the pressure-down component structure.

[0027] Among them, 1 is the fixed seat assembly, 2 is the positioning seat assembly, 3 is the displacement sensor assembly, 4 is the jig table lifting assembly, 5 is the jig table rotating assembly, 6 is the pressure head assembly, and 7 is the downward pressure and transfer assembly; 1-1 is the base plate, 1-2 is the positioning connecting plate, 1-3 is the first guide copper sleeve, 1-4 is the first step positioning pin, and 1-5 is the first replacement handle; 2-1 is the base plate, 2-2 is the connecting plate, 2-3 is the positioning plate, 2-4 is the second step positioning pin, 2-5 is the second guide copper sleeve, 2-6 is the mounting connecting plate, 2-7 is the mounting base plate, 2-8 is the positioning strip, 2-9 is the forming device mounting plate, 2-10 is the support rib plate, and 2-11 is the electric collet-type forming device. -12 is the second replacement handle; 3-1 is the first cylinder fixing plate, 3-2 is the pneumatic slide cylinder, 3-3 is the first cylinder connecting plate, 3-4 is the sensor fixing block, 3-5 is the displacement sensor, 3-6 is the adjusting block, 3-7 is the adjusting screw seat, 3-8 is the adjusting screw; 4-1 is the dual-axis cylinder, 4-2 is the second cylinder fixing plate, 4-3 is the large support column, 4-4 is the connecting plate, 4-5 is the connecting column, 4-6 is the floating joint, 4-7 is the second cylinder connecting plate, 4-8 is the small support column, 4-9 is the first flanged linear bearing, and 4-10 is the swing platform fixing plate; 5-1 is the swing platform, 5-2 is the fixture base plate, and 5-3 is the product fixture; 6-1 is the fixed seat, 6-2 is the bearing seat, 6-3 is the deep groove ball bearing, 6-4 is the large bearing adjusting ring, 6-5 is the small bearing adjusting ring, 6-6 is the thrust needle roller bearing, 6-7 is the connecting seat, 6-8 is the precision U-nut, 6-9 is the pressure head seat, 6-10 is the pressure head, 6-11 is the spring, 6-12 is the adjusting screw, and 6-13 is the contact head; 7-1 is the guide shaft support, 7-2 is the guide column, 7-3 is the lower pressure plate, 7-4 is the second flanged linear bearing, 7-5 is the top plate, 7-6 is the cylinder, 9-7 is the cylinder connector, 7-8 is the floating seat, 7-9 is the clamp, and 7-10 is the buffer pad. Detailed Implementation

[0028] The technical solution of the present invention will be further described below with reference to the accompanying drawings. 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 intended to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0031] As Figure 1 shown in a kind of double-station chuck runout detection mechanism for automobile compressor, its structure includes fixed seat component 1, positioning seat component 2, displacement sensor component 3, jig table lifting assembly 4, jig table rotating assembly 5, pressure head component 6, lower pressure component 7;Wherein the edge of fixed seat component 1 and positioning seat component 2 is connected and fixed, lower pressure component 7 is installed on the upper surface of positioning seat component 2, pressure head component 6 is installed below the middle of lower pressure component 7, displacement sensor component 3 is installed on the side of the upper surface of positioning seat component 2 below pressure head component 6;Jig table lifting assembly 4 is installed on the lower surface of fixed seat component 1, jig table rotating assembly 5 is installed on the top of jig table lifting assembly 4.

[0032] As Figure 2The fixed seat assembly 1 is located at the front end of the overall mechanism, and includes a base plate 1-1, a positioning connecting plate 1-2, a first guide copper sleeve 1-3, a first stepped positioning pin 1-4, and a first dismounting handle 1-5. The middle part of the base plate 1-1 is provided with a square through hole, and the left and right sides of the base plate 1-1 are respectively and symmetrically provided with a first dismounting handle 1-5. When the maintenance mechanism, the work efficiency is improved, and it is convenient and fast. Two positioning connecting plates 1-2 are symmetrically arranged on the upper surface of the base plate 1-1. The surface of each positioning connecting plate 1-2 is provided with a first guide copper sleeve 1-3. Each first guide copper sleeve 1-3 is combined with the first stepped positioning pin 1-4 arranged below the base plate 1-1. The tolerance fit between the first guide copper sleeve 1-3 and the first stepped positioning pin 1-4 enables the positioning connecting plate 1-2 to be accurately fixed on the base plate 1-1. When the connecting column 5-5 of the jig table lifting assembly 5 is fixed below the positioning connecting plate 1-2, the position accuracy of the jig table lifting mechanism 5 can be ensured. The first guide copper sleeve 1-3 is preferably the Yiheda brand, and the preferred model is OFG61-D12-L20. The first stepped positioning pin 1-4 is preferably the Yiheda brand, and the preferred model is YFF21-D8-P12.

[0033] As Figure 3The positioning seat assembly 2 is located at the rear end of the overall mechanism, including a bottom plate 2-1, a connecting plate 2-2, a positioning plate 2-3, a second step positioning pin 2-4, a second guide copper bushing 2-5, a mounting connecting plate 2-6, a mounting bottom plate 2-7, a positioning strip 2-8, a former mounting plate 2-9, a support rib plate 2-10, a punch former 2-11, and a second dismounting handle 2-12. One pair of second dismounting handles 2-12 is symmetrically arranged on the left and right sides of the bottom plate 2-1, a recess is arranged in the middle of the bottom plate 2-1, and one pair of second step positioning pins 2-4 is symmetrically arranged on both sides of the recess. The positioning plate 2-3 is installed on the upper surface of the bottom plate 2-1 through one pair of second guide copper bushings 2-5 arranged on the surface thereof, and the positioning plate 2-3 is accurately fixed on the connecting plate 2-2 by the tolerance cooperation between the second step positioning pin 2-4 and the second guide copper bushing 2-5. One end of the mounting connecting plate 2-6 is fixed on the positioning plate 2-3 through a positioning pin and a screw, and the support rib plate 2-10 is arranged on both sides of the mounting connecting plate 2-6. The mounting bottom plate 2-7 is fixed on the mounting connecting plate 2-6 through a positioning pin and a screw, the positioning strip 2-8 is fixed on the mounting bottom plate 2-7, the former mounting plate 2-9 is accurately fixed on the mounting bottom plate 2-7 by cooperating with the positioning strip 2-8, and the punch former 2-11 is fixed on the front end of the former mounting plate 2-9. When the jig table lifting assembly 5 runs to the lower position, the working position jig 7-3 places the product on the punch former 2-11, the punch former 2-11 can accurately clamp the product and automatically align the center during clamping, the clamping accuracy can be ensured to be within 0.01 mm, and the accuracy of the conventional detection method can only reach 0.03 mm at the lowest. The new method improves the clamping accuracy, thereby ensuring the accuracy of the product detection result. The conventional test method can only test a single product, but when the punch former 2-11 is used, the chuck can clamp multiple products, the compatibility of the mechanism is strong, the former is provided with a motor for rotating the product and the speed is adjustable, and a rotating mechanism does not need to be increased. The first guide copper bushing 1-3 is preferably the Yiheda brand, and the preferred model is OFG61-D12-L20. The first step positioning pin 1-4 is preferably the Yiheda brand, and the preferred model is YFF21-D8-P12. The punch former is preferably the Taiwan Jingzhan brand, and the preferred model is 51260-16-220.

[0034] As Figure 4As shown, the displacement sensor assembly 3 comprises a first cylinder fixing plate 3-1, a pneumatic slide cylinder 3-2, a first cylinder connecting plate 3-3, a sensor fixing block 3-4, a displacement sensor 3-5, an adjusting block 3-6, an adjusting screw seat 3-7, and an adjusting screw 3-8. The first cylinder fixing plate 3-1 is vertically fixed on one side of the groove of the bottom plate 2-1, and is mainly used for measuring the runout of the product in the working position. The pneumatic slide cylinder 3-2 is installed on the right side surface of the first cylinder fixing plate 3-1. The first cylinder connecting plate 3-3 is installed on the right side surface of the pneumatic slide cylinder 3-2. The sensor fixing block 3-4 is installed on the right side surface of the first cylinder connecting plate 3-3. The displacement sensor 3-5 is installed at the end of the sensor fixing block 3-4. The adjusting screw seat 3-7 is arranged in front of the pneumatic slide cylinder 3-2, and the adjusting screw 3-8 is arranged in the adjusting screw seat 3-7. The end of the adjusting screw 3-8 is connected to the first cylinder fixing plate 3-1 through the adjusting block 3-6. The stroke of the pneumatic slide cylinder 3-2 is adjustable, so as to adjust the height of the displacement sensor 3-5. The front and back positions of the first cylinder fixing plate 3-1 are adjusted by the adjusting screw 3-8, so as to adjust the distance between the displacement sensor 3-5 and the detection center, so as to adapt to different specifications of products. The displacement sensor 3-5 is a sensor for directly measuring the runout of the product. The pneumatic slide cylinder 3-2 is preferably a Japanese SMC brand, and the preferred model is MXS6-20A-M9B. The displacement sensor 3-5 is preferably an American Keyence brand, and the preferred model is GT2-S1.

[0035] As Figure 5As shown, the jig lifting assembly 4 is located directly below the fixed seat assembly 1, which comprises a double-shaft air cylinder 4-1, a second air cylinder fixing plate 4-2, a large support column 4-3, a connecting plate 4-4, a connecting column 4-5, a floating joint 4-6, a second air cylinder connecting plate 4-7, a small support column 4-8, a first flange linear bearing 4-9, and a swing platform fixing plate 4-10. Four connecting columns 4-5 are fixed to the lower surface of the base plate 1-1 and are fixed to the four corners of the connecting plate 4-4 at the same time. The upper surface of the connecting plate 4-4 is provided with the swing platform fixing plate 4-10. The second air cylinder connecting plate 4-7 is fixed to the lower surface of the connecting plate 4-4 through four small support columns 4-8. Each small support column 4-8 is provided with a first flange linear bearing 4-9 at the connection with the connecting plate 4-4. The center of the lower surface of the second air cylinder connecting plate 4-7 is connected to the center of the upper surface of the second air cylinder fixing plate 4-2 through the floating joint 4-6. The upper surface of the second air cylinder fixing plate 4-2 is provided with four large support columns 4-3, and the top end of each large support column 4-3 is connected to the lower surface of the connecting plate 4-4. The double-shaft air cylinder 4-1 is installed at the center of the lower surface of the second air cylinder fixing plate 4-2. The double-shaft air cylinder 4-1 is used as the power of the lifting assembly. The lifting of the double-shaft air cylinder 4-1 drives the swing platform fixing plate 4-10 to lift, thereby controlling the lifting of the jig table rotating assembly 5. The double-shaft air cylinder is connected by the floating joint 4-6, and the lifting assembly uses standard light shafts and Misi Mie flange linear bearings, which ensures smooth operation of the mechanism without jamming. The lifting of the jig lifting assembly 4 ensures that the jig table rotating assembly 5 can rotate smoothly, switch the working position and the feeding position. When the position switching is completed, the lifting mechanism operates to the lower position, and at this time the product on the working position can fall onto the electric cylinder clamp type former 2-11. The double-shaft air cylinder 4-1 is preferably the SUJ40X80-10S brand from Taiwan, Yadea. The floating joint 4-6 is preferably the F-M12X125F brand from Taiwan, Yadea. The first flange linear bearing 4-9 is preferably the C-LHFS20 brand from Japan, Misi Mie.

[0036] As Figure 6As shown, the jig table rotating assembly 5 comprises a swing platform 5-1, a jig base plate 5-2, and a product jig 5-3; wherein the bottom of the swing platform 5-1 is fixed on the upper surface of the swing platform fixing plate 4-10, the center of the swing platform 5-1 is provided with a rotating air cylinder, the jig base plate 5-2 is fixed on the rotating air cylinder, and two groups of product jigs 5-3 are symmetrically installed on the two sides of the jig base plate 5-2 with the rotating air cylinder as the center. Two product jigs 5-3 are respectively fixed on the two ends of the jig base plate 5-2, forming a feeding position and a working position, and are switched by 180° through the swing platform, so as to realize the separation of the feeding position and the testing position, ensure the safety of manual feeding and unloading, reduce the uncertainty of the detection process, increase the detection precision, and the feeding and unloading and the product detection can be carried out synchronously, and the process from feeding to detection completion is shortened to 6S; compared with the existing manual detection, the production efficiency is doubled. The swing platform 5-1 is preferably a Japanese SMC brand, and the preferred model is MSQB70A.

[0037] As Figure 7As shown, the pressure head assembly 6 comprises a fixed seat 6-1, a bearing seat 6-2, a deep groove ball bearing 6-3, a large bearing adjusting ring 6-4, a small bearing adjusting ring 6-5, a thrust needle bearing 6-6, a connecting seat 6-7, a precision U-shaped nut 6-8, a pressure head seat 6-9, a pressure head 6-10, a spring 6-11, an adjusting screw 6-12, and a contact head 6-13. The fixed seat 6-1 is installed below the pressing assembly 7 and is mainly used to fix the product to be tested at the working position. The bearing seat 6-2 is installed at the bottom of the fixed seat 6-1, and two deep groove ball bearings 6-3 and one thrust needle bearing 6-6 are installed inside the bearing seat 6-2. The small bearing adjusting ring 6-5 is arranged between the two deep groove ball bearings 6-3, and the large bearing adjusting ring 6-4 is arranged between the deep groove ball bearing 6-3 at the bottom and the thrust needle bearing 6-6, so that the assembly can bear radial load and axial load. The connecting seat 6-7 passes through the two deep groove ball bearings 6-3 and the thrust needle bearing 6-6 and is installed at the bottom of the bearing seat 6-2. The pressure head seat 6-9 is fixed to the lower surface of the connecting seat 6-7 by screws, and the inside of the pressure head seat 6-9 is provided with the adjusting screw 6-12. The pressure head 6-10 is installed in the opening at the bottom of the pressure head seat 6-9, and the inside of the pressure head 6-10 is provided with the spring 6-11, which plays a buffering role. The front end of the pressure head 6-10 is provided with the contact head 6-13 made of non-metallic material. When the electric collet former 2-11 drives the product at the testing position to rotate and start testing, the pressing mechanism will not damage the testing product when fixing the product, thereby protecting the testing product. The deep groove ball bearing 6-3 is preferably a Japanese Misumi brand, and the preferred model is B6900ZZ. The large bearing adjusting ring 6-4 is preferably a Japanese Misumi brand, and the preferred model is CLBSM17-22-2.0. The small bearing adjusting ring 6-5 is preferably a Japanese Misumi brand, and the preferred model is CLBUM10-14-4.0. The thrust needle bearing 6-6 is preferably a Japanese IKO brand, and the preferred model is AZ10249. The precision U-shaped nut 6-8 is preferably a Japanese Misumi brand, and the preferred model is FUNT10. The spring 6-11 is preferably a Yiheda brand, and the preferred model is YUR-D13-L35.

[0038] As Figure 8As shown, the lower pressing assembly 7 comprises a guide shaft support 7-1, a guide column 7-2, a lower pressing plate 7-3, a second flange linear bearing 7-4, a top plate 7-5, a gas cylinder 7-6, a gas cylinder connector 7-7, a floating seat 7-8, a hoop 7-9, and a buffer pad 7-10; wherein the top plate 7-5 is installed on the upper surface of the lower pressing plate 7-3, the gas cylinder 7-6 is installed at the center of the top plate 7-5, and the gas cylinder connector 7-7 at the bottom of the gas cylinder 7-6 is installed on the upper surface of the lower pressing plate 7-3 through the floating seat 7-8; one guide column 7-2 is installed on each of the left and right sides of the lower pressing plate 7-3, each guide column 7-2 is provided with a guide shaft support 7-1 at the bottom, and each guide column 7-2 is installed on the lower surface of the top plate 7-5 through the second flange linear bearing 7-4, the lower pressing plate 7-3 is slidably assembled with the guide column 7-2 through the second flange linear bearing 7-4, to ensure smooth operation of the lower pressing mechanism, and the gas cylinder 7-6 fixed on the top plate 7-5 is used to realize the up-and-down movement of the mechanism; a group of the hoop 7-9 and the buffer pad 7-10 are arranged at the middle part of each guide column 7-2, to control the downward position of the lower pressing plate 7-3, thereby playing a role in adjusting the lower pressing stroke, and achieving the functions of protecting the test product and being compatible with various products; the second flange linear bearing 7-4 is preferably a C-LHFS40 model of the Japanese Misumi brand; the gas cylinder 7-6 is preferably a SU32X150S model of the Taiwan Yadea brand; and the hoop 7-9 is preferably a SCD40 model of the Japanese Misumi brand.

[0039] The double-station suction cup runout automatic detection mechanism has the advantages of reasonable structure, no personnel participation in the whole detection process, easy connection with a flow line, online detection, simple and safe operation, reduced operation labor intensity, automatic completion of the whole detection process, exclusion of human factor influence, clamping of products by a punch former, clamping precision controlled within 0.01 mm, high compatibility, use of a high-precision displacement sensor, sensor detection precision up to 1 μm, effective guarantee of detection precision and product quality, use of double-station work, use of the swing platform rotation of 180° to realize separation of the feeding and discharging and product detection positions, great improvement of production efficiency, and guarantee of safety of manual operation.

[0040] The above description is only an embodiment of the present application, and does not limit the protection scope of the present application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields by using the content of the specification and the drawings, are also included in the patent protection scope of the present application.

Claims

1. A double-station chuck runout measuring mechanism for an automotive compressor, characterized by The utility model relates to a fixture device, including fixed seat subassembly (1), positioning seat subassembly (2), displacement sensor subassembly (3), jig table lifting subassembly (4), jig table rotation subassembly (5), pressure head subassembly (6), press down subassembly (7), wherein fixed seat subassembly (1) and the edge of positioning seat subassembly (2) are connected and fixed each other, press down subassembly (7) is installed on the upper surface of positioning seat subassembly (2), pressure head subassembly (6) is installed below the middle part of press down subassembly (7), displacement sensor subassembly (3) is installed on the one side of the upper surface of positioning seat subassembly (2) below pressure head subassembly (6), jig table lifting subassembly (4) is installed on the lower surface of fixed seat subassembly (1), and jig table rotation subassembly (5) is installed on the top of jig table lifting subassembly (4), The positioning seat subassembly (2) is located at the rear end of the whole mechanism, including bottom plate (2-1), connecting plate (2-2), positioning plate (2-3), second step positioning pin (2-4), second guide copper bush (2-5), installation connecting plate (2-6), installation bottom plate (2-7), positioning strip (2-8), former installation plate (2-9), support rib plate (2-10), punch former (2-11), second dismounting handle (2-12), wherein a pair of dismounting handles (2-12) are symmetrically arranged on the left and right sides of the bottom plate (2-1), a recess is arranged in the middle of the bottom plate (2-1), and a pair of step positioning pins (2-4) are symmetrically arranged on the two sides of the recess; the positioning plate (2-3) is installed on the upper surface of the bottom plate (2-1) through the pair of second guide copper bushes (2-5) arranged on the surface thereof, the positioning plate (2-3) is accurately fixed on the connecting plate (2-2) by the tolerance cooperation between the step positioning pin (2-4) and the second guide copper bush (2-5); one end of the installation connecting plate (2-6) is fixed on the positioning plate (2-3) through a positioning pin and a screw, the support rib plate (2-10) is arranged on the two sides of the installation connecting plate (2-6); the installation bottom plate (2-7) is fixed on the installation connecting plate (2-6) through a positioning pin and a screw, the positioning strip (2-8) is fixed on the installation bottom plate (2-7), the former installation plate (2-9) is accurately fixed on the installation bottom plate (2-7) by cooperating with the positioning strip (2-8), and the punch former (2-11) is fixed at the front end of the former installation plate (2-9); The jig lifting assembly (4) is located directly below the fixed seat assembly (1), and the structure thereof comprises a double-shaft air cylinder (4-1), a second air cylinder fixing plate (4-2), a large supporting column (4-3), a connecting plate (4-4), a connecting column (4-5), a floating joint (4-6), a second air cylinder connecting plate (4-7), a small supporting column (4-8), a flange linear bearing (4-9), and a swing platform fixing plate (4-10); wherein the four connecting columns (4-5) are fixed to the lower surface of the base plate (1-1) and are fixed to the four corners of the connecting plate (4-4) at the same time, and the upper surface of the connecting plate (4-4) is provided with the swing platform fixing plate (4-10); the second air cylinder connecting plate (4-7) is fixed to the lower surface of the connecting plate (4-4) through the four small supporting columns (4-8), and the connecting part of each small supporting column (4-8) and the connecting plate (4-4) is provided with a first flange linear bearing (4-9); the center of the lower surface of the second air cylinder connecting plate (4-7) is connected to the center of the upper surface of the second air cylinder fixing plate (4-2) through the floating joint (4-6), and the upper surface of the second air cylinder fixing plate (4-2) is provided with one large supporting column (4-3) at each corner, and the top end of the large supporting column (4-3) is connected to the lower surface of the connecting plate (4-4); the double-shaft air cylinder (4-1) is installed at the center of the lower surface of the air cylinder fixing plate (4-2).

2. The double-station chuck runout measuring mechanism for an automotive compressor according to claim 1, characterized in that The fixed seat assembly (1) is located at the front end of the overall mechanism, and comprises a base plate (1-1), a positioning connecting plate (1-2), a first guide copper sleeve (1-3), a first stepped positioning pin (1-4), and a first dismounting handle (1-5); wherein the middle part of the base plate (1-1) is provided with a square through hole, and one dismounting handle (1-5) is symmetrically arranged on the left and right sides of the base plate (1-1); two positioning connecting plates (1-2) are symmetrically arranged on the upper surface of the base plate (1-1), and each positioning connecting plate (1-2) is provided with a first guide copper sleeve (1-3) on the surface thereof, and each first guide copper sleeve (1-3) is combined with the stepped positioning pin (1-4) arranged below the base plate (1-1), and the positioning connecting plate (1-2) is accurately fixed on the base plate (1-1) by the tolerance fit between the first guide copper sleeve (1-3) and the stepped positioning pin (1-4).

3. The double-station chuck runout measuring mechanism for an automotive compressor as set forth in claim 1, characterized in that The displacement sensor assembly (3) comprises a first cylinder fixing plate (3-1), a pneumatic slide cylinder (3-2), a first cylinder connecting plate (3-3), a sensor fixing block (3-4), a displacement sensor (3-5), an adjusting block (3-6), an adjusting screw seat (3-7), and an adjusting screw (3-8); the first cylinder fixing plate (3-1) is vertically fixed on one side of the groove of the bottom plate (2-1); the pneumatic slide cylinder (3-2) is installed on the right surface of the first cylinder fixing plate (3-1); the first cylinder connecting plate (3-3) is installed on the right surface of the pneumatic slide cylinder (3-2); the sensor fixing block (3-4) is installed on the right surface of the first cylinder connecting plate (3-3); the displacement sensor (3-5) is installed on the end of the sensor fixing block (3-4); the adjusting screw seat (3-7) is arranged in front of the pneumatic slide cylinder (3-2), and the adjusting screw (3-8) is arranged in the adjusting screw seat (3-7); the end of the adjusting screw (3-8) is connected to the first cylinder fixing plate (3-1) through the adjusting block (3-6).

4. The double-station chuck runout measuring mechanism for an automotive compressor as set forth in claim 1, characterized in that The jig table rotating assembly (5) comprises a swing platform (5-1), a jig bottom plate (5-2), and a product jig (5-3); the bottom of the swing platform (5-1) is fixed on the upper surface of the swing platform fixing plate (4-10); the center of the swing platform (5-1) is provided with a rotating cylinder; the jig bottom plate (5-2) is fixed on the rotating cylinder; and two groups of product jigs (5-3) are symmetrically installed on the two sides of the jig bottom plate (5-2) with the rotating cylinder as the center.

5. The double-station chuck runout measuring mechanism for an automotive compressor as set forth in claim 1, characterized in that The pressure head assembly (6) comprises a fixing seat (6-1), a bearing seat (6-2), deep groove ball bearings (6-3), a large bearing adjusting ring (6-4), a small bearing adjusting ring (6-5), a thrust needle bearing (6-6), a connecting seat (6-7), a precise U-shaped nut (6-8), a pressure head seat (6-9), a pressure head (6-10), a spring (6-11), an adjusting screw (6-12), and a contact head (6-13); the fixing seat (6-1) is installed below the lower pressing assembly (7); the bearing seat (6-2) is installed at the bottom of the fixing seat (6-1); the bearing seat (6-2) is internally provided with two deep groove ball bearings (6-3) and one thrust needle bearing (6-6); the small bearing adjusting ring (6-5) is arranged between the two deep groove ball bearings (6-3); the large bearing adjusting ring (6-4) is arranged between the deep groove ball bearing (6-3) at the bottom and the thrust needle bearing (6-6); the connecting seat (6-7) passes through the two deep groove ball bearings (6-3) and the thrust needle bearing (6-6) and is installed at the bottom of the bearing seat (6-2); the pressure head seat (6-9) is fixed to the lower surface of the connecting seat (6-7) through a screw; the pressure head seat (6-9) is internally provided with the adjusting screw (6-12); the pressure head (6-10) is installed in the opening at the bottom of the pressure head seat (6-9); the pressure head (6-10) is internally provided with the spring (6-11); and the contact head (6-13) made of non-metallic material is arranged at the front end of the pressure head (6-10).

6. The double-station chuck runout measuring mechanism for an automotive compressor as set forth in claim 1, characterized in that The lower pressing assembly (7) comprises a guide shaft support (7-1), a guide column (7-2), a lower pressing plate (7-3), a second flange linear bearing (7-4), a top plate (7-5), a cylinder (7-6), a cylinder connector (7-7), a floating seat (7-8), a hoop (7-9), and a buffer pad (7-10). The top plate (7-5) is installed on the upper surface of the lower pressing plate (7-3), the cylinder (7-6) is installed at the center of the top plate (7-5), the cylinder connector (7-7) at the bottom of the cylinder (7-6) is installed on the upper surface of the lower pressing plate (7-3) through the floating seat (7-8), one guide column (7-2) is installed on the left and right sides of the lower pressing plate (7-3) respectively, the bottom of each guide column (7-2) is provided with a guide shaft support (7-1), the top of each guide column (7-2) is installed on the lower surface of the top plate (7-5) through the second flange linear bearing (7-4), the lower pressing plate (7-3) is formed into a sliding assembly with the guide column (7-2) through the second flange linear bearing (7-4), the smooth operation of the lower pressing mechanism is ensured, and the up-and-down movement of the mechanism is realized through the cylinder (7-6) fixed on the top plate (7-5). A group of hoops (7-9) and buffer pads (7-10) are arranged at the middle part of each guide column (7-2).

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