Workpiece size precision detection equipment

Abstract

The invention relates to the technical field of part detection, and discloses machined part size precision detection equipment which comprises a supporting table assembly, a rotating disc is rotationally connected into the supporting table assembly, and first arc-shaped grooves are formed in the edge of the rotating disc in an array mode and used for containing a to-be-detected steel plate spring; a feeding assembly is arranged on the front side of the supporting table assembly, pushing assemblies are arranged in the rotating disc in an array mode, a driving assembly is arranged above the pushing assemblies, a detection assembly is arranged on the right side of the supporting table assembly, and a discharging assembly is arranged on the left side of the driving assembly. The steel plate spring is pushed into the detection hopper through the arc-shaped push plate so that the steel plate spring can be attached to the surface of the measuring cloth belt, the first camera shoots the scale, located on the measuring cloth belt, of the end of the steel plate spring so that the length of the steel plate spring can be detected, and meanwhile the second camera shoots from the upper portion so that the arc height of the steel plate spring can be measured. Therefore, the purpose of high steel plate spring detection efficiency is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of parts detection, in particular to a device for detecting the dimensional accuracy of a processed part. Background Art

[0002] The leaf spring is the most widely used elastic element in automobile suspension. It is an elastic beam of approximately equal strength composed of several alloy spring leaves of equal width but unequal length (thickness can be equal or unequal). After the leaf spring is processed, the length, arc height and other data of the leaf spring need to be tested.

[0003] The Chinese patent with application date: 2022-08-04, publication number: CN115355814B discloses a steel leaf spring flatness detection device, including a workbench; and a movable support mechanism, the movable support mechanism is arranged on the workbench; and a reciprocating plane detection mechanism, the reciprocating plane detection mechanism is arranged on the workbench, and the reciprocating plane detection mechanism is provided with a first detection module and a second detection module; and a stable support mechanism, the two stable support mechanisms are slidably arranged on the workbench and are respectively located on both sides of its opening, and the stable support mechanism is provided with a first hydraulic cylinder; and a spacing adjustment mechanism. Through this application, the purpose of detecting the flatness of the upper and lower surfaces of a small steel leaf spring, detecting the thickness of each part, and detecting the degree of influence of deformation on flatness is achieved.

[0004] However, in the detection process of multiple leaf springs, multiple arc-shaped steel plates need to be inspected, and the workload is large and the detection efficiency is low by manually measuring with hand-held scale teeth; or the arc-shaped steel plates to be inspected are manually placed on the detection device, and the positions of the arc-shaped steel plates are adjusted, tested, and removed, which consumes a lot of time and has low detection efficiency, so further improvement can be made. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a device for detecting the dimensional accuracy of a workpiece, which has the advantages of high detection efficiency and solves the problem of low efficiency of manual detection.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of high detection efficiency, the present invention provides the following technical solutions: a workpiece dimensional accuracy detection device, including a support table assembly, a turntable is rotatably connected inside the support table assembly, and an arc groove one is opened in the edge array of the turntable, and the arc groove one is used to accommodate the steel leaf spring to be detected; a loading assembly is arranged on the front side of the support table assembly, and the loading assembly is used to load the steel leaf spring; a pushing assembly is arranged in the array inside the turntable, and a driving assembly is arranged above the pushing assembly, and the driving assembly is used to drive two groups of pushing assemblies distributed on the left and right to move away from each other, and push the two groups of steel leaf springs distributed on the left and right from the arc groove one; a detection assembly is arranged on the right side of the support table assembly, and the detection assembly is used to detect the length of the steel leaf spring; a blanking assembly is arranged on the left side of the driving assembly, and the blanking assembly is used to drive the steel leaf spring on the left to separate from the pushing assembly.

[0009] Preferably, the support platform assembly includes a tray, and a plurality of arc-shaped baffles are fixedly installed on the circumference of the tray, and three gaps are formed between the plurality of arc-shaped baffles, and the three gaps are respectively used for loading and unloading leaf springs, and transferring leaf springs to the detection assembly for detection; a support plate is fixed in the top array of the tray and arc-shaped baffle assembly, and a mounting cover is fixedly installed between the other ends of the plurality of support plates.

[0010] Preferably, the turntable is rotatably connected to the inside of the tray and the arc-shaped baffle assembly, a connecting shaft is fixedly installed on the bottom of the turntable, the connecting shaft passes through and is rotatably connected to the center of the tray, a gear 1 is fixedly installed on the surface of the connecting shaft, the gear 1 is meshed with a gear 2, and a motor 1 is fixedly installed at the bottom center of the gear 2; a slide groove 1 is arranged in an array on the surface of the turntable, the slide groove 1 corresponds to an arc groove 1 one by one, the slide groove 1 is connected to the arc groove 1, and an arc groove 2 is arranged in the middle of one side wall of the arc groove of the turntable.

[0011] Preferably, the feeding component includes an upper hopper fixedly mounted on the front side of the tray and the arc-shaped baffle assembly, a cylinder 1 is fixedly mounted on the front side of the upper hopper, the output end of the cylinder 1 is slidably connected to the upper hopper, a push plate is fixedly mounted on the output end of the cylinder 1, two groups of L-shaped plates are fixedly mounted on the front side of the bottom of the push plate, a support plate is fixedly mounted between the front ends of the two groups of L-shaped plates, two groups of guide grooves are opened through the bottom of the upper hopper, the vertical parts of the two groups of L-shaped plates are respectively slidably connected to the guide grooves, and the support plate fits against the bottom of the upper hopper.

[0012] Preferably, two groups of rotating arms are rotatably connected to the bottom of the upper hopper, and the centers of the two groups of rotating arms are rotatably connected to the upper hopper through a connecting shaft, a slide groove 2 is penetrated at one end of the outer side of the rotating arm, a sliding column is penetrated in the slide groove 2 for sliding connection, a sliding seat is fixedly installed on the top of the sliding column, two groups of guide rods 1 are fixedly installed on both sides of the upper hopper, the guide rod 1 penetrates the sliding seat, and the sliding seat is slidably connected to the guide rod 1; two groups of guide rods 2 are penetrated and slidably connected in the middle of the sliding seat, and a clamping plate is fixedly installed at one end of the two groups of guide rods 2 located on the inner side of the upper hopper, a spring 1 is fixedly installed between the clamping plate and the sliding seat, and the spring 1 is used to drive the clamping plate away from the sliding seat, and avoidance grooves are penetrated on both sides of the upper hopper, and the avoidance grooves are used for the clamping plate to pass through.

[0013] Preferably, the pushing assembly includes a slider slidably connected in a slide groove one, a connecting rod is fixedly installed on the surface of the slider, an arc-shaped push plate is fixedly installed on the other end of the connecting rod, the arc groove two is used to accommodate the arc-shaped push plate, a spring two is fixedly installed between the slider and the inner wall of the slide groove one, and the spring two is used to drive the slider to move toward the center of the turntable; a magnetic block is embedded in the center of the arc-shaped push plate, and the magnetic block is used to adsorb the leaf spring; a decorative cover plate is fixedly installed on the top of the slider and the arc-shaped push plate, and the decorative cover plate covers the top opening of the slide groove one, and a boss is fixedly installed on the top of the decorative cover plate.

[0014] Preferably, the driving assembly includes a driving disk rotatably connected in the mounting cover, a threaded rod is fixedly installed at the top center of the driving disk, the threaded rod passes through and is rotatably connected at the center of the mounting cover, a fixed disk is fixedly installed at the bottom of the mounting cover, and the fixed disk is attached to the top of the decorative cover plate; two groups of sliding grooves three distributed on the left and right are opened through the surface of the fixed disk, a sliding bar is slidably connected in the sliding groove three, and the top of the threaded rod is fixedly installed; a spiral thread is provided at the bottom of the driving disk, and a threaded groove is correspondingly provided at the top of the sliding bar, the driving disk and the sliding bar are meshed with each other, and the sliding bar is used to push the boss outward.

[0015] Preferably, the detection component includes a detection bucket fixedly installed on the right side of the tray and the arc-shaped baffle assembly, the front and rear sides of the detection bucket are rotatably connected with a winding wheel, a measuring tape is fixedly installed between the two groups of the winding wheels, slots are opened on both sides of the detection bucket, the measuring tape passes through the middle of the slots, a coil spring is fixedly installed between the winding wheel and the detection bucket, the coil spring is used to drive the winding wheel to wind up the measuring tape, and a length scale is provided on the surface of the measuring tape, two groups of cameras 1 distributed front and back are fixedly installed on the right side of the detection bucket; an arch frame is fixedly installed on the top of the detection bucket, and a camera 2 is fixedly installed in the middle of the arch frame; an elastic pushing member is provided in the detection bucket, and the elastic pushing member is used to push the inspected leaf spring back into the arc-shaped groove 1.

[0016] Preferably, the elastic pushing member includes a cylinder 2 fixedly installed at the center of the right side of the detection bucket, the output end of the cylinder 2 is slidably connected to the detection bucket, a mounting seat is fixedly installed on the output end of the cylinder 2, two groups of guide rods 3 are slidably connected on the surface of the mounting seat, a push back plate is fixedly installed between the left ends of the two groups of guide rods 3, a spring 3 is fixedly installed between the push back plate and the mounting seat, and the spring 3 is used to drive the push back plate away from the mounting seat.

[0017] Preferably, the blanking assembly includes a bracket threadedly connected to the threaded rod, a threaded hole is opened at the right end of the bracket corresponding to the threaded rod, a guide rod four is arranged through the middle of the bracket, and the guide rod four is fixedly installed on the top of the mounting cover; a U-shaped plate is fixedly installed on the lower side of the left end of the bracket, and pressure plates are fixedly installed at both ends of the U-shaped plate, an arc-shaped portion is arranged on the right end of the pressure plate, and the arc center of the arc-shaped portion of the pressure plate is located on the upper side thereof, and a protective shell is fixedly installed on the top of the mounting cover, and an opening is reserved on the left side of the protective shell for avoiding the moving stroke of the bracket, the protective shell is sleeved on the outside of the threaded rod and the guide rod four, the threaded rod is penetrated and rotatably connected to the protective shell, and the fixed installation is on the top of the protective shell.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention provides a device for detecting the dimensional accuracy of a workpiece, which has the following beneficial effects:

[0020] 1. This workpiece dimensional accuracy detection equipment pushes the leaf spring into the detection bucket through the arc-shaped push plate, so that the leaf spring fits on the surface of the measuring tape. The scale at the end of the leaf spring on the measuring tape is photographed by camera 1 to detect the length of the leaf spring. At the same time, camera 2 is used to photograph from the top to measure the arc height of the leaf spring, thereby achieving high efficiency in leaf spring detection.

[0021] 2. The workpiece size accuracy detection equipment places the leaf spring inside the loading hopper manually or by a robot, and pushes the leaf spring into the arc groove one through the cooperation of the cylinder 1 and the push plate, and then pushes the leaf spring to the detection hopper by rotating the turntable, and pushes the leaf spring into the detection hopper for detection through the arc push plate. After the detection, the leaf spring is pushed to the left by the arc push plate. At the same time, the threaded rod drives the bracket to move downward, and the pressure plate pushes the leaf spring downward to separate the leaf spring from the arc push plate, thereby automatically completing the loading and unloading of the leaf spring and improving the detection efficiency of the leaf spring.

[0022] 3. The machined part dimensional accuracy detection equipment places the leaf spring to be detected inside the upper hopper, and the output shaft of the cylinder contracts, pulling the assembly of the push plate, the L-shaped plate and the support plate to move forward along the guide groove, and the support plate squeezes the rotating arm, driving the rotating arm to deflect, thereby pushing the assembly of the slide column and the slide seat to move along the guide rod 1 toward the upper hopper, and two groups of clamping plates are clamped at both ends of the leaf spring, and as the slide seat continues to move to the upper hopper, the spring 1 is squeezed and contracted, and through the elasticity of the spring 1, the two groups of clamping plates push the leaf spring, so that the middle part of the leaf spring is aligned with the middle part of the upper hopper; thereby achieving the purpose of automatically correcting the position of the leaf spring, avoiding manual adjustment of the position of the leaf spring, and improving the detection efficiency of the leaf spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the three-dimensional structure of a workpiece dimensional accuracy detection device proposed by the present invention;

[0024] Figure 2 A schematic diagram of the three-dimensional structure of an assembly of a tray and an arc-shaped baffle and a turntable of a workpiece size accuracy detection device proposed by the present invention;

[0025] Figure 3 A schematic diagram of the three-dimensional structure of a turntable of a workpiece size accuracy detection device proposed by the present invention;

[0026] Figure 4 A schematic diagram of the three-dimensional structure of a feeding assembly of a workpiece dimensional accuracy detection device proposed by the present invention;

[0027] Figure 5 This is a bottom view structural diagram of a feeding assembly of a workpiece dimensional accuracy detection device proposed by the present invention;

[0028] Figure 6 This is a schematic diagram of a three-dimensional assembly structure of a material pushing component and a turntable of a workpiece size accuracy detection device proposed by the present invention;

[0029] Figure 7 This is a schematic diagram of the three-dimensional structure of a material pushing component of a workpiece dimensional accuracy detection device proposed by the present invention;

[0030] Figure 8 A schematic diagram of the three-dimensional structure of a driving component of a workpiece dimensional accuracy detection device proposed by the present invention;

[0031] Fig. 9 A schematic diagram of the three-dimensional structure of a detection component of a workpiece dimensional accuracy detection device proposed by the present invention;

[0032] Fig.10 This is a schematic diagram of the top view of the structure of a detection component of a workpiece dimensional accuracy detection device proposed by the present invention;

[0033] Fig.11 This is a schematic diagram of the three-dimensional structure of a blanking component of a workpiece dimensional accuracy detection device proposed by the present invention.

[0034] In the figure: 100, support platform assembly; 200, turntable; 300, loading assembly; 400, pushing assembly; 500, driving assembly; 600, detection assembly; 700, unloading assembly; 101, tray; 102, arc baffle; 103, support plate; 104, mounting cover; 201, arc groove 1; 202, connecting shaft; 203, gear 1; 204, gear 2; 205, motor 1; 206, slide 1; 207, arc groove 2; 301, loading hopper; 302, cylinder 1; 303, push plate; 304, L-shaped plate; 305, support plate; 306, guide groove; 307, rotating arm; 308, slide 2; 309, slide column; 310, slide seat; 311, guide rod 1; 312, guide rod 2; 313, clamping plate; 314 , spring one; 315, avoidance groove; 401, slider; 402, connecting rod; 403, arc push plate; 404, spring two; 405, magnetic block; 406, decorative cover plate; 407, boss; 501, drive disk; 502, threaded rod; 503, fixed disk; 504, slide groove three; 505, slide bar; 601, detection bucket; 602, take-up wheel; 603, measuring cloth tape; 604, coil spring; 605, slot; 606, length scale; 607, camera one; 608, cylinder two; 609, mounting seat; 610, guide rod three; 611, push back plate; 612, spring three; 613, arch frame; 614, camera two; 701, bracket; 702, guide rod four; 703, U-shaped plate; 704, pressure plate; 705, protective shell. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1A workpiece size accuracy detection device includes a support table assembly 100, a turntable 200 is rotatably connected inside the support table assembly 100, and an arc groove 201 is arranged in an array on the edge of the turntable 200, and the arc groove 201 is used to accommodate a steel leaf spring to be detected; a loading assembly 300 is arranged on the front side of the support table assembly 100, and the loading assembly 300 is used to load the steel leaf spring; a push assembly 400 is arranged in an array inside the turntable 200, and a driving assembly 500 is arranged above the push assembly 400, and the driving assembly 500 is used to drive two groups of push assemblies 400 distributed on the left and right to move away from each other, and push the two groups of steel leaf springs distributed on the left and right from the arc groove 201; a detection assembly 600 is arranged on the right side of the support table assembly 100, and the detection assembly 600 is used to detect the length of the steel leaf spring; a blanking assembly 700 is arranged on the left side of the driving assembly 500, and the blanking assembly 700 is used to drive the steel leaf spring on the left to separate from the push assembly 400.

[0037] See also Figure 2-Figure 3 and Figure 8 The support platform assembly 100 includes a tray 101, and a plurality of arc-shaped baffles 102 are fixedly installed on the circumference of the tray 101. Three gaps are formed between the plurality of arc-shaped baffles 102, and the three gaps are respectively used for loading and unloading of leaf springs, and transferring leaf springs to the detection assembly 600 for detection; the loading assembly 300 is connected to the gap on the front side of the arc-shaped baffle 102, and the leaf spring in the loading assembly 300 passes through the gap and is loaded into the arc-shaped slot 1 201; the detection assembly 600 is connected to the gap on the right side of 102, and the leaf spring in the arc-shaped slot 1 201 passes through the gap and can enter the detection assembly 600 for detection. A support plate 103 is fixed to the top array of the tray 101 and the arc-shaped baffle 102 assembly, and a mounting cover 104 is fixedly installed between the other ends of the plurality of support plates 103, and the mounting cover 104 is supported by the support plate 103.

[0038] See also Figure 2-Figure 3 The turntable 200 is rotatably connected to the inside of the assembly of the tray 101 and the arc-shaped baffle 102. A connecting shaft 202 is fixedly installed at the bottom of the turntable 200. The connecting shaft 202 penetrates and is rotatably connected to the center of the tray 101. A gear 1 203 is fixedly installed on the surface of the connecting shaft 202. The gear 1 203 is meshed with a gear 2 204. A motor 1 205 is fixedly installed at the bottom center of the gear 2 204. The motor 1 205 drives the gear 2 204 to rotate, driving the assembly of the gear 1 203 and the connecting shaft 202 to rotate, thereby driving the turntable 200 to rotate.

[0039] The surface array of the turntable 200 is provided with a slide groove 206, which corresponds to the arc groove 201 one by one, and the slide groove 206 is connected to the arc groove 201. The turntable 200 is provided with an arc groove 207 in the middle of the side wall of the arc groove 201. The pusher assembly 400 is accommodated in the slide groove 206 and the arc groove 207, and the pusher assembly 400 can adsorb the leaf spring through magnetism. The leaf spring to be tested is placed in the loading assembly 300 manually or by a robot, and then transferred to the inside of the arc groove 201 through the loading assembly 300, and the leaf spring is adsorbed and fixed with the pusher assembly 400, and when the turntable 200 rotates, the leaf spring can be driven to move.

[0040] See also Figure 4 The feeding assembly 300 includes a feeding hopper 301 fixedly mounted on the front side of the assembly of the tray 101 and the arc-shaped baffle 102, and the feeding hopper 301 is connected to the notch on the front side of the arc-shaped baffle 102. A cylinder 1 302 is fixedly mounted on the front side of the feeding hopper 301, and the output end of the cylinder 1 302 is slidably connected to the feeding hopper 301, and a push plate 303 is fixedly mounted on the output end of the cylinder 1 302. After placing the leaf spring inside the feeding hopper 301 manually or by a robot, the output shaft of the cylinder 1 302 is extended, and the push plate 303 pushes the leaf spring toward the arc-shaped groove 1 201.

[0041] Two groups of L-shaped plates 304 are fixedly installed on the front side of the bottom of the push plate 303, and a support plate 305 is fixedly installed between the front ends of the two groups of L-shaped plates 304. Two groups of guide grooves 306 are opened through the bottom of the upper hopper 301. The vertical parts of the two groups of L-shaped plates 304 are respectively penetrated and slidably connected to the guide grooves 306, and the support plate 305 is attached to the bottom of the upper hopper 301. The assembly of the L-shaped plate 304 and the support plate 305 cooperates with the guide grooves 306 to guide the movement of the push plate 303.

[0042] See also Figure 4-Figure 5 The bottom of the upper hopper 301 is rotatably connected with two sets of rotating arms 307, and the centers of the two sets of rotating arms 307 are rotatably connected with the upper hopper 301 through connecting shafts, and the support plate 305 is located between the two sets of rotating arms 307. A second slide groove 308 is provided at one end of the outer side of the rotating arm 307, and a sliding column 309 is slidably connected in the second slide groove 308, and a sliding seat 310 is fixedly installed on the top of the sliding column 309. Two sets of guide rods 1 311 are fixedly installed on both sides of the upper hopper 301, and the guide rods 1 311 penetrate the sliding seat 310, and the sliding seat 310 is slidably connected to the guide rods 1 311; the moving path of the sliding seat 310 is guided by the guide rods 1 311.

[0043] Two sets of guide rods 312 are slidably connected through the middle of the slide 310. A clamping plate 313 is fixedly installed at one end of the two sets of guide rods 312 located inside the upper hopper 301. A spring 314 is fixedly installed between the clamping plate 313 and the slide 310. The spring 314 is used to drive the clamping plate 313 away from the slide 310. Avoidance grooves 315 are opened on both sides of the upper hopper 301. The avoidance grooves 315 are used for the clamping plate 313 to pass through. The push plate 303 is located between the two sets of clamping plates 313. After the leaf spring is placed inside the upper hopper 301, the output end of the cylinder 1 302 contracts, which can drive the support plate 305 to move forward. The two ends of the support plate 305 squeeze the rotating arms 307, causing the two rotating arms 307 to deflect, thereby pushing the assembly of the slide column 309 and the slide seat 310 to move toward the upper hopper 301; so that the two groups of clamping plates 313 are clamped on both sides of the leaf spring, and as the two groups of slide seats 310 approach each other, the spring 1 314 is squeezed and contracted. Under the elastic action of the spring 1 314 on both sides, the leaf spring moves left and right, so that the center of the leaf spring is aligned with the center of the upper hopper 301, which plays a role in correcting the position of the leaf spring.

[0044] See also Figure 6-Figure 7 The push assembly 400 includes a slider 401 slidably connected in the slide groove 206, a connecting rod 402 is fixedly installed on the surface of the slider 401, and an arc-shaped push plate 403 is fixedly installed on the other end of the connecting rod 402. The arc groove 207 is used to accommodate the arc-shaped push plate 403. A spring 204 is fixedly installed between the slider 401 and the inner wall of the slide groove 206. The spring 204 is used to drive the slider 401 to move toward the center of the turntable 200; a magnetic block 405 is embedded in the center of the arc-shaped push plate 403, and the magnetic block 405 is used to absorb the leaf spring; a decorative cover plate 406 is fixedly installed on the top of the slider 401 and the arc-shaped push plate 403, and the decorative cover plate 406 covers the top opening of the slide groove 206, and a boss 407 is fixedly installed on the top of the decorative cover plate 406.

[0045] See also Figure 8The driving assembly 500 includes a driving disk 501 rotatably connected to the mounting cover 104, a threaded rod 502 is fixedly installed at the center of the top of the driving disk 501, the threaded rod 502 penetrates and is rotatably connected to the center of the mounting cover 104, a fixed disk 503 is fixedly installed at the bottom of the mounting cover 104, and the fixed disk 503 is attached to the top of the decorative cover 406; two groups of sliding grooves 504 distributed on the left and right are opened on the surface of the fixed disk 503, a slide bar 505 is slidably connected in the slide groove 504, and 506 is fixedly installed at the top of the threaded rod 502; a vortex thread is arranged at the bottom of the driving disk 501, and a thread groove is correspondingly arranged at the top of the slide bar 505, the driving disk 501 and the slide bar 505 are meshed with each other, and the slide bar 505 is used to push the boss 407 outward. By driving the threaded rod 502 and the driving disk 501 to rotate by 506, the slide bar 505 can be driven to slide along the slide groove 504. When the slide bar 505 slides outward along the slide groove three 504, the slide bar 505 can push the boss 407 outward, thereby driving the assembly of the decorative cover 406, the slider 401, the connecting rod 402 and the arc push plate 403 to move outward, and the magnetic block 405 adsorbs the leaf spring so that the leaf spring is tightly attached to the surface of the arc push plate 403. At this time, the arc push plate 403 can push the leaf spring out of the arc groove one 201.

[0046] See also Figure 9-10 The detection component 600 includes a detection bucket 601 fixedly installed on the right side of the assembly of the tray 101 and the arc baffle 102. The front and rear sides of the detection bucket 601 are rotatably connected with winding wheels 602. A measuring tape 603 is fixedly installed between the two sets of winding wheels 602. Slots 605 are opened on both sides of the detection bucket 601. The measuring tape 603 passes through the middle of the slots 605. A coil spring 604 is fixedly installed between the winding wheel 602 and the detection bucket 601. The coil spring 604 is used to drive the winding wheel 602 to wind up the measuring tape 603, so that the measuring tape 603 is tightened. The surface of the measuring tape 603 is provided with a length scale 606, and two groups of cameras 607 distributed front and back are fixedly installed on the right side of the detection bucket 601; when the leaf spring is pushed into the detection bucket 601 through 413, the leaf spring will fit on the surface of the measuring tape 603, and as the leaf spring moves, it will pull a part of the measuring tape 603 to be released from the winding wheel 602, until both ends of the leaf spring are fitted on the measuring tape 603, and the measuring tape 603 is bent at the end of the leaf spring. At this time, the surface of the measuring tape 603 at the end of the leaf spring is photographed by two cameras 607, so as to understand the scales on the length scale 606 at both ends of the leaf spring, and thus understand the length of the outer arc surface of the leaf spring. Fig. 9 In the figure, the length of a is the length of the outer arc surface of the leaf spring.

[0047] See also Figure 9-10An elastic pusher is arranged in the detection bucket 601, and the elastic pusher is used to push the detected leaf spring back into the arc groove 1 201. The elastic pusher includes a cylinder 2 608 fixedly installed at the center of the right side of the detection bucket 601, and the output end of the cylinder 2 608 penetrates and slides to connect to the detection bucket 601, and a mounting seat 609 is fixedly installed at the output end of the cylinder 2 608, and two groups of guide rods 3 610 are slidably connected to the surface of the mounting seat 609, and a push-back plate 611 is fixedly installed between the left ends of the two groups of guide rods 3 610, and a spring 3 612 is fixedly installed between the push-back plate 611 and the mounting seat 609, and the spring 3 612 is used to drive the push-back plate 611 away from the mounting seat 609. An arch frame 613 is fixedly installed on the top of the detection bucket 601, and a second camera 614 is fixedly installed in the middle of the arch frame 613; when the arc-shaped steel plate pushes the measuring cloth belt 603 to the right, the slot 605 will squeeze the push-back plate 611 to the right, causing the push-back plate 611 to move to the right. A length scale for measuring the arc height of the leaf spring is set on the top of the detection bucket 601. By shooting from top to bottom with the second camera 614, the scales on the left end of the leaf spring and the left side of the push-back plate 611 on the length scale can be observed; Fig.10 The b in the figure is the difference between the two sets of scales. The arc height of the leaf spring can be obtained by subtracting the thickness of the measuring tape 603 from b.

[0048] By connecting the camera 1 607 and the camera 2 614 to a computer, the values ​​of a and b can be automatically calculated by the computer. a reflects the length of the leaf spring, and b reflects the arc height of the leaf spring by subtracting the thickness of the measuring tape 603.

[0049] See also Fig.11 The blanking component 700 includes a bracket 701 threadedly connected to the threaded rod 502, a threaded hole is opened at the right end of the bracket 701 corresponding to the threaded rod 502, a guide rod 702 is arranged through the middle of the bracket 701, and the guide rod 702 is fixedly installed on the top of the mounting cover 104; a U-shaped plate 703 is fixedly installed on the lower side of the left end of the bracket 701, and pressure plates 704 are fixedly installed at both ends of the U-shaped plate 703, an arc-shaped portion is arranged on the right end of the pressure plate 704, and the arc center of the arc-shaped portion of the pressure plate 704 is located on its upper side, and a protective shell 705 is fixedly installed on the top of the mounting cover 104, and an opening is reserved on the left side of the protective shell 705 for avoiding the moving stroke of the bracket 701, and the protective shell 705 is sleeved on the outside of the threaded rod 502 and the guide rod 702, and the threaded rod 502 is rotatably connected to the protective shell 705, and 506 is fixedly installed on the top of the protective shell 705.

[0050] When in use, the steel leaf spring to be tested is placed inside the upper hopper 301, and the output shaft of the cylinder 1 302 is contracted, pulling the assembly of the push plate 303, the L-shaped plate 304 and the support plate 305 to move forward along the guide groove 306, and the support plate 305 squeezes the rotating arm 307, driving the rotating arm 307 to deflect, thereby pushing the assembly of the sliding column 309 and the sliding seat 310 to move along the guide rod 1 311 to the upper hopper 301, and the two groups of clamping plates 313 clamp the two ends of the steel leaf spring, and as the sliding seat 310 continues to move to the upper hopper 301, the spring 1 314 is squeezed and contracted, and through the elasticity of the spring 1 314, the two groups of clamping plates 313 push the steel leaf spring, so that the middle part of the steel leaf spring is aligned with the middle part of the upper hopper 301;

[0051] Then, the output end of the cylinder 302 is extended, and the push plate 303 moves backward, pushing the leaf spring into the arc groove 201, and the leaf spring is attached to the surface of the arc push plate 403, and the magnetic block 405 adsorbs the leaf spring;

[0052] Then, the motor 1 205 drives the gear 2 204 to rotate, driving the gear 1 203 to rotate, thereby driving the connecting shaft 202 and the rotating disk 200 to rotate synchronously, thereby driving the leaf spring to move counterclockwise, so that the leaf spring moves to the left side of the detection bucket 601;

[0053] The threaded rod 502 is driven to rotate by 506, which drives the driving disk 501 to rotate, and drives the slide bar 505 to move outward along the slide groove 3 504. The slide bar 505 on the right side pushes the assembly of the decorative cover plate 406 and the boss 407 to the right, and drives the arc push plate 403 to push the leaf spring into the detection bucket 601; as the leaf spring moves inside the detection bucket 601, the measuring tape 603 is squeezed, and the measuring tape 603 on the winding wheel 602 is gradually released until the measuring tape 603 is attached to the end of the leaf spring and bent at the end of the leaf spring; at this time, the scale on the measuring tape 603 at the end of the leaf spring is photographed by the camera 1 607, so as to measure the length of the leaf spring; at the same time, the camera 2 614 shoots from the top to measure the arc height of the leaf spring;

[0054] After the measurement is completed, the output shaft of the second cylinder 608 is extended, and the push plate 611 pushes the leaf spring to move into the arc groove 1 201. At the same time, 506 drives the threaded rod 502 to rotate in the opposite direction, thereby driving the slide bar 505 to slide inward along the slide groove 3 504, and the arc push plate 403 fits the inner side of the leaf spring and moves into the arc groove 1 201.

[0055] As the slide bar 505 slides outward along the slide groove three 504, the slide bar 505 on the left side pushes the assembly of the decorative cover plate 406 and the boss 407 on the left side to move to the left, and the arc push plate 403 pushes the steel leaf spring after the left side inspection to the left side of the arc baffle 102; at the same time, when the threaded rod 502 rotates, it drives the bracket 701 to move downward along the guide rod four 702, and the assembly of the U-shaped plate 703 and the pressure plate 704 moves downward, and the pressure plate 704 pushes the steel leaf spring downward, so that the steel leaf spring is separated from the arc push plate 403, and the unloading is completed.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece dimensional accuracy detection device, comprising a support table assembly (100), characterized in that: A turntable (200) is rotatably connected inside the support platform assembly (100), and an array of arc-shaped grooves (201) are formed on the edge of the turntable (200), wherein the arc-shaped grooves (201) are used to accommodate a leaf spring to be tested; A loading assembly (300) is arranged at the front side of the support platform assembly (100), and the loading assembly (300) is used for loading leaf springs; The rotating disk (200) is provided with a push assembly (400) in an array, and a driving assembly (500) is provided above the push assembly (400). The driving assembly (500) is used to drive the two groups of push assemblies (400) distributed on the left and right to move away from each other and push the two groups of leaf springs distributed on the left and right out of the arc groove 1 (201); A detection assembly (600) is arranged on the right side of the support platform assembly (100), and the detection assembly (600) is used to detect the length of the leaf spring; a blanking assembly (700) is arranged on the left side of the drive assembly (500), and the blanking assembly (700) is used to drive the leaf spring on the left side to separate from the pushing assembly (400).

2. The device for detecting the dimensional accuracy of a workpiece according to claim 1, characterized in that: The support platform assembly (100) comprises a tray (101), a plurality of arc-shaped baffles (102) are fixedly mounted on the circumference of the tray (101), three notches are formed between the plurality of arc-shaped baffles (102), and the three notches are respectively used for loading and unloading leaf springs and transferring leaf springs to the detection assembly (600) for detection; A support plate (103) is fixed in array on the top of the tray (101) and arc-shaped baffle (102) assembly, and a mounting cover (104) is fixedly mounted between the other ends of the plurality of support plates (103).

3. The device for detecting the dimensional accuracy of a workpiece according to claim 2, characterized in that: The turntable (200) is rotatably connected to the inside of the tray (101) and the arc-shaped baffle (102) assembly, a connecting shaft (202) is fixedly installed at the bottom of the turntable (200), the connecting shaft (202) penetrates and is rotatably connected to the center of the tray (101), a gear 1 (203) is fixedly installed on the surface of the connecting shaft (202), the gear 1 (203) is meshed with a gear 2 (204), and a motor 1 (205) is fixedly installed at the bottom center of the gear 2 (204); The surface array of the rotating disk (200) is provided with a slide groove 1 (206), the slide groove 1 (206) corresponds to the arc groove 1 (201) one by one, the slide groove 1 (206) is connected to the arc groove 1 (201), and the rotating disk (200) is provided with an arc groove 2 (207) located in the middle of the side wall of the arc groove 1 (201).

4. The device for detecting the dimensional accuracy of a workpiece according to claim 3, characterized in that: The loading assembly (300) comprises a loading hopper (301) fixedly mounted on the front side of the assembly of the tray (101) and the arc-shaped baffle (102); a cylinder 1 (302) is fixedly mounted on the front side of the loading hopper (301); an output end of the cylinder 1 (302) is slidably connected to the loading hopper (301); a push plate (303) is fixedly mounted on the output end of the cylinder 1 (302); two groups of L-shaped plates (304) are fixedly mounted on the front side of the bottom of the push plate (303); a support plate (305) is fixedly mounted between the front ends of the two groups of L-shaped plates (304); two groups of guide grooves (306) are opened through the bottom of the loading hopper (301); vertical portions of the two groups of L-shaped plates (304) are respectively slidably connected to the guide grooves (306); and the support plate (305) is attached to the bottom of the loading hopper (301).

5. The device for detecting the dimensional accuracy of a workpiece according to claim 4, characterized in that: The bottom of the upper hopper (301) is rotatably connected with two groups of rotating arms (307), and the centers of the two groups of rotating arms (307) are rotatably connected with the upper hopper (301) through connecting shafts. A second slide groove (308) is penetrated through one end of the outer side of the rotating arm (307), and a sliding column (309) is slidably connected through the second slide groove (308). A sliding seat (310) is fixedly installed on the top of the sliding column (309), and two groups of guide rods (311) are fixedly installed on both sides of the upper hopper (301), and the guide rods (311) penetrate the sliding seat (310), and the sliding seat (310) is slidably connected to the guide rods (311); Two sets of guide rods (312) are slidably connected through the middle of the slide seat (310). A clamping plate (313) is fixedly installed at one end of the two sets of guide rods (312) located inside the upper hopper (301). A spring (314) is fixedly installed between the clamping plate (313) and the slide seat (310). The spring (314) is used to drive the clamping plate (313) away from the slide seat (310). Avoidance grooves (315) are opened through both sides of the upper hopper (301). The avoidance grooves (315) are used for the clamping plate (313) to pass through.

6. The device for detecting the dimensional accuracy of a workpiece according to claim 3, characterized in that: The push assembly (400) includes a slider (401) slidably connected in the first slide groove (206), a connecting rod (402) is fixedly installed on the surface of the slider (401), an arc-shaped push plate (403) is fixedly installed on the other end of the connecting rod (402), the second arc-shaped groove (207) is used to accommodate the arc-shaped push plate (403), and a second spring (404) is fixedly installed between the slider (401) and the inner wall of the first slide groove (206), and the second spring (404) is used to drive the slider (401) to move toward the center of the turntable (200); A magnetic block (405) is embedded at the center of the arc-shaped push plate (403), and the magnetic block (405) is used to absorb the leaf spring; A decorative cover plate (406) is fixedly mounted on the top of the sliding block (401) and the arc-shaped push plate (403), the decorative cover plate (406) covers the top opening of the first slide groove (206), and a boss (407) is fixedly mounted on the top of the decorative cover plate (406).

7. The device for detecting the dimensional accuracy of a workpiece according to claim 6, characterized in that: The driving assembly (500) comprises a driving disk (501) rotatably connected in the mounting cover (104); a threaded rod (502) is fixedly mounted at the center of the top of the driving disk (501); the threaded rod (502) penetrates and is rotatably connected at the center of the mounting cover (104); a fixing disk (503) is fixedly mounted at the bottom of the mounting cover (104); the fixing disk (503) is attached to the top of the decorative cover plate (406); The surface of the fixed plate (503) is penetrated by two groups of sliding grooves (504) distributed on the left and right, and a sliding bar (505) is slidably connected in the sliding groove (504), and a (506) is fixedly installed on the top of the threaded rod (502); The bottom of the driving disk (501) is provided with a spiral thread, and the top of the sliding bar (505) is correspondingly provided with a thread groove. The driving disk (501) and the sliding bar (505) are meshed with each other, and the sliding bar (505) is used to push the boss (407) outward.

8. The device for detecting the dimensional accuracy of a workpiece according to claim 7, characterized in that: The detection component (600) comprises a detection bucket (601) fixedly mounted on the right side of the assembly of the tray (101) and the arc-shaped baffle (102); the front and rear sides of the detection bucket (601) are rotatably connected to winding wheels (602); a measuring tape (603) is fixedly mounted between two groups of the winding wheels (602); slots (605) are provided through both sides of the detection bucket (601); the measuring tape (603) passes through the middle of the slots (605); a coil spring (604) is fixedly mounted between the winding wheel (602) and the detection bucket (601); the coil spring (604) is used to drive the winding wheel (602) to wind up the measuring tape (603); a length scale (606) is provided on the surface of the measuring tape (603); and two groups of cameras (607) distributed front and back are fixedly mounted on the right side of the detection bucket (601); An arch frame (613) is fixedly mounted on the top of the detection bucket (601), and a second camera (614) is fixedly mounted in the middle of the arch frame (613); An elastic pushing member is arranged in the detection bucket (601), and the elastic pushing member is used to push the detected leaf spring back into the arc-shaped groove one (201).

9. The device for detecting the dimensional accuracy of a workpiece according to claim 8, characterized in that: The elastic pushing member comprises a second cylinder (608) fixedly mounted at the center of the right side of the detection bucket (601); the output end of the second cylinder (608) is slidably connected to the detection bucket (601); a mounting seat (609) is fixedly mounted on the output end of the second cylinder (608); two groups of guide rods (610) are slidably connected to the surface of the mounting seat (609); a push-back plate (611) is fixedly mounted between the left ends of the two groups of guide rods (610); a spring (612) is fixedly mounted between the push-back plate (611) and the mounting seat (609); the spring (612) is used to drive the push-back plate (611) away from the mounting seat (609).

10. The device for detecting the dimensional accuracy of a workpiece according to claim 7, characterized in that: The blanking assembly (700) comprises a bracket (701) threadedly connected to the threaded rod (502), a threaded hole is provided at the right end of the bracket (701) corresponding to the threaded rod (502), a guide rod four (702) is provided through the middle of the bracket (701), and the guide rod four (702) is fixedly mounted on the top of the mounting cover (104); A U-shaped plate (703) is fixedly mounted on the lower side of the left end of the bracket (701), and pressure plates (704) are fixedly mounted on both ends of the U-shaped plate (703). An arc portion is arranged on the right end of the pressure plate (704), and the arc center of the arc portion of the pressure plate (704) is located on the upper side thereof. A protective shell (705) is fixedly mounted on the top of the mounting cover (104), and an opening is reserved on the left side of the protective shell (705) for avoiding the moving stroke of the bracket (701). The protective shell (705) is sleeved on the outer side of the threaded rod (502) and the guide rod (702), and the threaded rod (502) passes through and is rotatably connected to the protective shell (705), and the (506) is fixedly mounted on the top of the protective shell (705).

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