Detection device

Abstract

The utility model discloses a detection device, which relates to the technical field of dimension detection, and comprises a vehicle body, a detection device and a positioning device, and the vehicle body is provided with a mounting cavity; the detection device is movably mounted on the vehicle body; the positioning device is installed in the installation cavity and provided with two positioning plates, and the two positioning plates rotate around the axis in the vertical direction, have the moving stroke of moving to the outside of the installation cavity and are used for being attached to the surface of the machine tool for positioning. And the rotating directions of the two positioning plates are opposite. According to the technical scheme provided by the utility model, the two positioning plates extend out of the mounting cavity and are propped against and attached to the surface of the machine tool, so that the detection equipment and the machine tool are kept in an opposite state, and the measurement precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of size detection, in particular to a detection device. Background Art

[0002] At present, in various industries and manufacturing industries, the safety and quality issues of plate and shell parts are gradually receiving more attention. In order to ensure the quality of product production, it is currently mainly dependent on manual sampling inspection of products with the help of calipers and thickness gauges to control product dimensions. Obviously, the current inspection method has high labor intensity, great safety hazards, low work efficiency, and many error factors, which can no longer meet the pace of modern production.

[0003] Therefore, in the device for automatically measuring workpieces, lasers and cameras are used for identification to measure the size of the workpiece. When the detection device is not directly opposite the machine tool, the camera cannot be aligned with the axis of the shaft part, and the laser emitted by the camera cannot be perpendicular to the axis, causing the laser hitting the part to be slightly longer. The measured part diameter data will be larger, resulting in a larger measurement error. Utility Model Content

[0004] The main purpose of the utility model is to provide a detection device, which is intended to enable the detection device to be directly opposite to a machine tool (or a workpiece) so as to facilitate camera shooting and identification, and accurately detect the size of the workpiece.

[0005] To achieve the above-mentioned purpose, the utility model proposes a detection equipment, including a vehicle body, a detection device, and a positioning device, wherein the vehicle body has an installation cavity; the detection device is movably installed on the vehicle body; the positioning device is installed in the installation cavity, and has two positioning plates, the two positioning plates rotate around the axis in the up and down directions and have an active stroke to move outside the installation cavity, so as to fit with the surface of the machine tool for positioning; wherein the rotation directions of the two positioning plates are arranged in opposite directions.

[0006] In one embodiment, the positioning device includes a driving assembly and a transmission assembly; the transmission assembly includes:

[0007] A slide bar, wherein a first slide groove and a second slide groove are arranged at intervals along the extension direction of the slide bar, and the first slide groove and the second slide groove extend in the same direction as the slide bar, the first slide groove is used for limiting the driving component, and a first rotating shaft is arranged at one end of the slide bar away from the first slide groove;

[0008] A crankshaft is bent toward the front of the vehicle body and has a third slide groove extending in the same direction as the crankshaft. The first rotating shaft passes through the third slide groove. One end of the crankshaft is fixedly connected to the positioning plate.

[0009] A first connecting rod, one end of which is fixedly connected to the other end of the crankshaft, and the other end of which is provided with a second rotating shaft, wherein the second rotating shaft passes through the second sliding groove;

[0010] A second connecting rod, one end of which is rotatably connected to the second rotating shaft;

[0011] The third connecting rod has one end rotatably connected to the other end of the second connecting rod, and the other end is driven and connected to the driving assembly.

[0012] In one embodiment, a first through hole is provided at one end of the crankshaft for connecting to the first connecting rod, a second through hole is provided at one end of the first connecting rod for connecting to the crankshaft, and the transmission assembly also includes a bolt assembly, which passes through the first through hole and the second through hole to fix the first connecting rod and the crankshaft.

[0013] In one embodiment, the drive assembly comprises:

[0014] a first inner gear ring, wherein a drive shaft extending in the up-down direction is disposed on the first inner gear ring, and the drive shaft passes through the first slide groove;

[0015] A first gear, disposed in the first inner gear ring and meshing with the first inner gear ring, the first gear being fixedly connected to the third connecting rod;

[0016] A driving motor is drivingly connected to the first inner gear ring so as to make the first inner gear ring and the first gear rotate around an axis in the up-down direction.

[0017] In one embodiment, the driving assembly is provided with two sets, which are arranged opposite to each other in the up-down direction, and the transmission assembly is provided with two sets, which are located on both sides of the driving assembly in the left-right direction.

[0018] In one embodiment, the drive assembly comprises:

[0019] a first inner gear ring, wherein a drive shaft extending in the up-down direction is disposed on the first inner gear ring, and the drive shaft passes through the first slide groove;

[0020] A first gear, disposed in the first inner gear ring and meshing with the first inner gear ring, the first gear being fixedly connected to the third connecting rod;

[0021] A second inner gear ring is arranged opposite to the first inner gear ring in the up-down direction, the first inner gear ring is provided with the driving shaft extending in the up-down direction, and the driving shaft passes through the first sliding groove;

[0022] A second gear is staggered with the first gear in the vertical direction and is meshed with the first gear and the second inner gear ring at the same time;

[0023] The driving motor is drivingly connected to the first inner gear ring to make the first inner gear ring and the first gear rotate around the axis of the second inner gear ring and the second gear rotate around the vertical axis.

[0024] In one embodiment, the drive assembly further comprises:

[0025] a rotating shaft, fixedly connected to the first inner gear ring and passing through the first inner gear ring and the second inner gear ring;

[0026] A shaft sleeve is sleeved on one end of the rotating shaft corresponding to the second inner gear ring and is located between the rotating shaft and the second inner gear ring, and is used to limit the second inner gear ring in the front-to-back direction and the left-to-right direction.

[0027] In one embodiment, the positioning plate is magnetically arranged.

[0028] In one embodiment, the detection device includes a laser and a camera, and the detection equipment includes a translation module assembly. The laser and the camera are installed on the translation module assembly and have an active travel along the up-down direction, the front-back direction, and the left-right direction.

[0029] In one embodiment, the vehicle body includes a plurality of wheels, and the wheels are all configured as universal wheels.

[0030] The technical solution of the utility model adopts two positioning plates extending from the installation cavity to abut and fit with the surface of the machine tool, so that the detection equipment and the machine tool are kept in a facing state, thereby improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the structure of an embodiment of a detection device provided by the utility model;

[0033] Figure 2 for Figure 1 A schematic diagram of the structure of the transmission components of the detection equipment;

[0034] Figure 3 for Figure 1 Schematic diagram of the structure of the drive component of the detection device.

[0035] Description of Figure Numbers:

[0036] 100. Testing equipment; 1. Vehicle body; 11. Mounting cavity; 12. Universal wheel; 2. Testing device; 21. Laser; 22. Camera; 23. Translation module assembly; 3. Positioning device; 31. Positioning plate; 32. Driving assembly; 321. First inner gear ring; 322. Driving shaft; 323. First gear; 324. Driving motor; 325. Second inner gear ring; 326. Second gear; 327. Rotating shaft; 328. Bushing; 33. Transmission assembly; 331. Slide rod; 3311. First slide slot; 3312. Second slide slot; 332. Bending rod; 3321. Third slide slot; 333. First connecting rod; 334. Second connecting rod; 335. Third connecting rod; 336. Bolt assembly.

[0037] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0040] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0041] If the detection device cannot maintain a straight-ahead position with the machine tool, the laser cannot be aligned with the axis of the shaft part, and the laser light cannot be perpendicular to the axis, causing the laser light hitting the part to be slightly longer. The part diameter data measured by the camera will be larger, resulting in a larger measurement error.

[0042] The utility model provides a detection device.

[0043] See also Figure 1 In one embodiment of the utility model, the detection device 100 includes a vehicle body 1, a detection device 2, and a positioning device 3. The vehicle body 1 has an installation cavity 11; the detection device 2 is movably installed on the vehicle body 1; the positioning device 3 is installed in the installation cavity 11, and has two positioning plates 31. The two positioning plates 31 rotate around the axis in the up and down directions, and have a movable stroke to move outside the installation cavity 11, so as to fit with the surface of the machine tool for positioning; wherein the rotation directions of the two positioning plates 31 are set in opposite directions.

[0044] In the technical solution of the utility model, the detection device 100 is provided with a car body 1, and the detection device 2 is arranged on the car body 1. The function of the car body 1 is to be close to the machine tool and adjust its own position so as to ensure that the car body 1 and the machine tool are kept facing each other, so as to ensure that the detection device 2 and the workpiece are kept facing each other. The movement of the car body 1 alone cannot ensure that the car body 1 and the machine tool are kept facing each other, so it is also necessary to set a positioning device 3 to assist in adjusting the position of the car body 1 and enable the car body 1 to be maintained at this position. Generally, in order to prevent the positioning device 3 from directly interfering with the detection device 2 and to reduce the volume space, a left-right through-mounting cavity 11 is provided on the car body 1, and the positioning assembly is installed in the mounting cavity 11. The positioning assembly has two positioning plates 31, and the two positioning plates 31 rotate around the vertical axis and have an active stroke to move to the outside of the mounting cavity 11, so as to fit with the surface of the machine tool for positioning. In terms of positioning, the two positioning plates 31 are arranged with opposite rotation directions so that the two positioning plates 31 are completely fitted with the surfaces on both sides of the machine tool to form a state of clamping the machine tool, or the two positioning plates 31 are fitted with the front surface of the machine tool to achieve a facing effect and positioning.

[0045] In order to realize that the positioning plate 31 can be stored in the installation cavity 11 when not in use, saving space, it can be extended from the left and right sides and extended forward when in use. Therefore, the specific arrangement of the transmission group 33 is as follows: the slide bar 331 is provided with a first slide groove 3311 and a second slide groove 3312 at intervals along the extension direction of the slide bar 331, and the first slide groove 3311 and the second slide groove 3312 extend in the same direction as the slide bar 331, the first slide groove 3311 is used for the driving component 32 to limit the position, the driving component 32 plays a driving role and a limiting role on the slide bar 331, and the slide bar 331 is provided with a first rotating shaft at one end away from the first slide groove 3311; the curved rod 332 is bent toward the front of the vehicle body 1, and has a third slide groove 3321 extending in the same direction as the curved rod 332, and the first rotating shaft passes through the third slide groove 3321. Slide groove 3321, the first rotating shaft can rotate in the third slide groove 3321 and slide along the third slide groove 3321, and one end of the crankshaft is fixedly connected to the positioning plate 31; one end of the first connecting rod 333 is fixedly connected to the other end of the crankshaft, and the other end of the first connecting rod 333 is provided with a second rotating shaft, and the second rotating shaft passes through the second slide groove 3312, and the second rotating shaft can rotate in the second slide groove 3312 and slide along the second slide groove 3312; one end of the second connecting rod 334 is rotatably connected to the second rotating shaft; one end of the third connecting rod 335 is rotatably connected to the other end of the second connecting rod 334, and the other end of the third connecting rod 335 is driven and connected to the driving component 32. The transmission group 33 is connected to the driving component 32 through the first slide groove 3311 and the third connecting rod 335. In order to realize the motion trajectory of the above-mentioned positioning plate 31, the third connecting rod 335 needs to rotate around the connecting end of the third connecting rod 335 and the driving component, and the first slide groove 3311 and the components in the driving component 32 have the characteristics of sliding cooperation, which can play the role of sliding, guiding and limiting.

[0046] Since the positioning plate 31 extends from the mounting cavity 11 in a curved trajectory. In the clamping auxiliary positioning method, in the rotation trajectory of the positioning plate 31, the two positioning plates 31 are exactly opposite to each other, and the image distance is A centimeters. In this way, the detection device 100 can be used to measure the workpiece on the machine tool with a width of A centimeters. When the two positioning plates 31 are B centimeters apart on the motion trajectory (that is, not A centimeters), the two positioning plates 31 are not directly opposite to each other, so they cannot be applied to the machine tool with a width of B centimeters. If you want to apply to the machine tool with a width of B centimeters, it is necessary that the two positioning plates 31 are directly opposite to each other when they are B centimeters apart on the motion trajectory. This can be achieved by changing the angle between the first connecting rod 333 and the crankshaft, so that the two positioning plates 31 are facing each other in advance or delay on the motion trajectory, so that the distance between the two positioning plates 31 is different, so as to measure the workpieces on the machine tools of different widths. Therefore, a first through hole is provided at one end of the crankshaft for connecting with the first connecting rod 333, a second through hole is provided at one end of the first connecting rod 333 for connecting with the crankshaft, and the transmission group 33 also includes a bolt assembly 336, and the bolt assembly 336 passes through the first through hole and the second through hole to fix the first connecting rod 333 and the crankshaft. The bolt assembly 336 is loosened when the angle needs to be adjusted, and the bolt assembly 336 is fixed during operation. In another method of abutting and positioning with the front end face of the machine tool, the angle of the positioning plate 31 can also be adjusted so that when the positioning plate 31 moves from the mounting cavity 11 to a certain position, the two positioning plates 31 are coplanar.

[0047] In order to drive the transmission group 33 to move, the driving component 32 includes: a first inner gear ring 321, a first gear 323, and a driving motor 324. The first inner gear ring 321 is provided with a driving shaft 322 extending in the up and down directions, and the driving shaft 322 passes through the first sliding groove 3311; when the driving shaft 322 rotates on the first gear ring, the sliding rod 331 can be rotated relative to the driving shaft 322; the first gear 323 is arranged in the first inner gear ring 321 and meshes with the first inner gear ring 321, and the first gear 323 is fixedly connected to the third connecting rod 335; the driving motor 324 is drivingly connected to the first inner gear ring 321 so that the first inner gear ring 321 and the first gear 323 rotate around the up and down axis.

[0048] In one embodiment, two sets of drive components 32 are provided, which are arranged opposite to each other in the up and down directions, and two sets of transmission groups 33 are provided, which are located on both sides of the drive components 32 in the left and right directions. The two sets of drive components 32 are respectively driven and connected to the two sets of transmission groups 33. Under this driving mode, the movement of each positioning plate 31 can be controlled individually. When the two side surfaces of the machine tool are not parallel and facing each other, the positioning plates 31 can make adaptive adjustments to the machine tool. When the motor rotates at the same angle, the inclination angles of the two positioning plates 31 are different, and they are fitted to two surfaces with different inclination angles. It is worth mentioning that the two positioning plates 31 do not necessarily have to be fitted to the two surfaces on both sides respectively, and can be positioned on two unequal planes on the machine tool.

[0049] In another embodiment, the driving assembly 32 includes: a first inner gear ring 321, a first gear 323, a second inner gear ring 325, a second gear 326, and a driving motor 324; a driving shaft 322 extending in the up-down direction is provided on the first inner gear ring 321, and the driving shaft 322 passes through a first slide groove 3311; the first gear 323 is provided in the first inner gear ring 321 and meshes with the first inner gear ring 321, and the first gear 323 is fixedly connected to the third connecting rod 335; the second inner gear ring 325 is connected to the first inner gear ring 321 are arranged opposite to each other in the vertical direction, and a driving shaft 322 extending in the vertical direction is arranged on the first inner gear ring 321, and the driving shaft 322 passes through a first slide groove 3311; the second gear 326 is arranged offset with the first gear 323 in the vertical direction, and is meshed with the first gear 323 and the second inner gear ring 325 at the same time; the driving motor 324 is drivingly connected to the first inner gear ring 321, so that the first inner gear ring 321 and the first gear 323 rotate around the axis of the vertical direction, and the second inner gear ring 325 and the second gear 326 rotate around the axis of the vertical direction. Under this arrangement, the movement directions of the first inner gear ring 321 and the second inner gear ring 325 are opposite, and the movement directions of the first gear 323 and the second gear 326 are opposite, so the movement trajectories of the two transmission groups 33 are symmetrical, and the driving assembly 32 has only one motor, so it saves the cost of one motor and is more compact in structure.

[0050] Since the first inner gear ring 321 and the second inner gear ring 325 are coaxially arranged, they rotate around the same axis, but the rotation direction is opposite. Therefore, the second inner gear ring 325 transmits power through the gear set. It cannot be fixedly connected with the motor shaft, but it must be coaxially arranged. Therefore, in one embodiment, the rotating shaft 327 is fixedly connected to the first inner gear ring 321, and the first inner gear ring 321 and the second inner gear ring 325 are penetrated. The shaft sleeve 328 is sleeved on one end corresponding to the rotating shaft 327 and the second inner gear ring 325, and is located between the rotating shaft 327 and the second inner gear ring 325, and is used to limit the second inner gear ring 325 in the front and rear directions and the left and right directions. After the positioning plate 31 assists in positioning, in order to fix the position, the positioning plate 31 is also set to be magnetic, or set to the form of an electromagnet, and is magnetically fixed to the machine tool to ensure the relative fixation of the position. In order to realize automatic detection, the detection device 2 includes a laser 21 and a camera 22, and the detection equipment 100 includes a translation module assembly 23. The laser 21 and the camera 22 are installed on the translation module assembly 23, and have a movable range of movement in the up-down direction, the front-back direction, and the left-right direction. The laser machine and the camera 22 can also adjust their positions in the up-down direction, the front-back direction, and the left-right direction to ensure that they correspond to the position of the workpiece. The laser 21 irradiates the laser on the workpiece, and the camera 22 takes pictures for recognition, and obtains the measurement data through computer processing.

[0051] When the positioning plate 31 gradually fits against the surface of the machine tool, the vehicle body 1 needs to make corresponding position adjustments. In order to facilitate the adjustment, the vehicle body 1 is further provided with universal wheels 12 .

[0052] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A detection device, characterized in that: include: a vehicle body having a mounting cavity; A detection device, movably mounted on the vehicle body; A positioning device is installed in the installation cavity and has two positioning plates. The two positioning plates rotate around the vertical axis and have a movable stroke to move outside the installation cavity, so as to fit with the surface of the machine tool for positioning; Wherein, the rotation directions of the two positioning plates are arranged in opposite directions.

2. The detection device according to claim 1, characterized in that The positioning device includes a driving assembly and a transmission assembly; the transmission assembly includes: A slide bar, wherein a first slide groove and a second slide groove are arranged at intervals along the extension direction of the slide bar, and the first slide groove and the second slide groove extend in the same direction as the slide bar, the first slide groove is used for limiting the driving component, and a first rotating shaft is arranged at one end of the slide bar away from the first slide groove; A curved rod is bent toward the front of the vehicle body and has a third slide groove extending in the same direction as the curved rod. The first rotating shaft passes through the third slide groove. One end of the curved rod is fixedly connected to the positioning plate. A first connecting rod, one end of which is fixedly connected to the other end of the curved rod, and the other end of which is provided with a second rotating shaft, wherein the second rotating shaft passes through the second sliding groove; A second connecting rod, one end of which is rotatably connected to the second rotating shaft; The third connecting rod has one end rotatably connected to the other end of the second connecting rod, and the other end is driven and connected to the driving assembly.

3. The detection device according to claim 2, characterized in that A first through hole is provided at one end of the curved rod for connecting with the first connecting rod, and a second through hole is provided at one end of the first connecting rod for connecting with the curved rod. The transmission assembly also includes a bolt assembly, and the bolt assembly passes through the first through hole and the second through hole to fix the first connecting rod and the curved rod.

4. The detection device according to claim 2, characterized in that The drive assembly comprises: a first inner gear ring, wherein a drive shaft extending in the up-down direction is disposed on the first inner gear ring, and the drive shaft passes through the first slide groove; A first gear, disposed in the first inner gear ring and meshing with the first inner gear ring, the first gear being fixedly connected to the third connecting rod; A driving motor is drivingly connected to the first inner gear ring so as to make the first inner gear ring and the first gear rotate around an axis in the up-down direction.

5. The detection device according to claim 4, characterized in that The driving assembly is provided with two sets, which are arranged opposite to each other in the up-down direction, and the transmission assembly is provided with two sets, which are located on both sides of the driving assembly in the left-right direction.

6. The detection device according to claim 3, characterized in that: The drive assembly comprises: a first inner gear ring, wherein a drive shaft extending in the up-down direction is disposed on the first inner gear ring, and the drive shaft passes through the first slide groove; A first gear, disposed in the first inner gear ring and meshing with the first inner gear ring, the first gear being fixedly connected to the third connecting rod; A second inner gear ring is arranged opposite to the first inner gear ring in the up-down direction, the first inner gear ring is provided with the driving shaft extending in the up-down direction, and the driving shaft passes through the first sliding groove; A second gear is staggered with the first gear in the vertical direction and is meshed with the first gear and the second inner gear ring at the same time; The driving motor is drivingly connected to the first inner gear ring to make the first inner gear ring and the first gear rotate around the axis of the second inner gear ring and the second gear rotate around the vertical axis.

7. The detection device according to claim 6, characterized in that The drive assembly also includes: a rotating shaft, fixedly connected to the first inner gear ring and passing through the first inner gear ring and the second inner gear ring; A shaft sleeve is sleeved on one end of the rotating shaft corresponding to the second inner gear ring and is located between the rotating shaft and the second inner gear ring, and is used to limit the second inner gear ring in the front-to-back direction and the left-to-right direction.

8. The detection device according to claim 1, characterized in that: The positioning plate is magnetically arranged.

9. The detection device according to claim 1, characterized in that: The detection device includes a laser and a camera, and the detection equipment includes a translation module assembly. The laser and the camera are installed on the translation module assembly and have an active travel along the up-down direction, the front-back direction, and the left-right direction.

10. The detection device according to claim 1, characterized in that: The vehicle body comprises a plurality of wheels, and the wheels are all configured as universal wheels.

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