Size detection equipment for automobile pipe fitting
Technical Field
The invention relates to the technical field of pipe fitting size detection devices, in particular to size detection equipment for an automobile pipe fitting.
Background
In the process of machining and manufacturing automobile parts, the length of the manufactured automobile pipe fitting with the straight pipe section needs to be measured by a size detection device so as to measure whether the automobile pipe fitting meets the manufacturing requirement, and most of the conventional devices perform pipe fitting measurement in a manual measurement mode.
Chinese patent No. CN 217384199U discloses a size detection device for automobile pipe fittings, which comprises: the pipe fitting to be tested is placed on the support; the elastic body is arranged in the support; the detection rod is connected to the support in a sliding mode, one end of the detection rod is in contact with the elastic body, and the other end of the detection rod is allowed to be pressed, so that the detection rod moves along the radial direction of the pipe fitting; an inner diameter detection sensor connected to the elastic body; the sliding structure is arranged on the support and allows axial movement along the pipe fitting; and the height detection sensor is connected to the sliding structure, but the detection device can only detect a single automobile pipe fitting once in actual measurement, and when detecting a plurality of automobile pipe fittings, the automobile pipe fittings are required to be clamped, unloaded and butted with stations for many times, so that the detection efficiency of the automobile pipe fittings is low, and the technical defects in the prior art are overcome, and therefore, the size detection equipment of the automobile pipe fittings is provided at present to solve the technical problems.
Disclosure of Invention
The invention aims to provide a size detection device for automobile pipe fittings, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a size detection equipment of car pipe fitting, includes the frame, be fixed with servo motor in the frame, install the cavity rolling disc in the frame, rotate on the cavity rolling disc and install the regulation post of vertical setting, there is second cross through first external screw thread connection on the regulation post, four tip of second cross all are fixed with the lantern ring, every equal slidable mounting in the lantern ring has a pair of half cone grip block, vertical slidable mounting has first cross on the second cross, four tip of first cross all are fixed with the thrust ring of supporting with the coaxial setting of lantern ring, it is vertical relative with the conical surface of half cone grip block to support the inner wall lower edge of thrust ring, be provided with four location section of thick bamboo on the cavity rolling disc, four location section of thick bamboo set up with four lantern ring vertical relative one by one respectively, servo motor's output shaft with the transmission is connected with step transmission subassembly between the cavity rolling disc, step transmission subassembly is used for the drive the cavity rolling disc marching type is rotatory, servo motor's output shaft is connected with the carousel through belt pulley mechanism, radial slidable mounting has the regulation subassembly on the carousel, vertical slidable mounting has the crane with between the regulation subassembly the crane, the crane subassembly the laser rangefinder lower extreme is installed and is embedded at the vertical elastic pressure disk center.
As a modified scheme of the invention: the stepping transmission assembly comprises a driven bevel gear coaxially fixed with the hollow rotating disc, the driven bevel gear is connected with a driving bevel gear in a meshed mode, a driven gear is coaxially fixed on the driving bevel gear, and a half gear intermittently meshed with the driven gear is coaxially fixed on an output shaft of the servo motor.
As a modified scheme of the invention: the reference circle diameter of the half gear is one half of that of the driven gear, and the number of teeth of the half gear is one half of that of the driven gear.
As a modified scheme of the invention: the positioning device is characterized in that a positioning disc is coaxially fixed on the driven bevel gear, a guide seat is fixed at the bottom of the rack, a sliding rod is arranged on the guide seat in a sliding manner, a positioning arc block is fixed on the sliding rod, four positioning arc grooves are uniformly formed in the side wall of the positioning disc, the positioning arc grooves are matched with the positioning arc blocks in a pushing manner, and a pushing spring is fixedly connected between the guide seat and the positioning arc blocks.
As a modified scheme of the invention: the adjusting component comprises a radial threaded rod which is rotatably installed on the rotary table, a thread sleeve block which is connected with the rotary table in a sliding manner is sleeved on the radial threaded rod in a threaded manner, and two ends of the connecting rod are respectively hinged with the thread sleeve block and the lifting frame.
As a modified scheme of the invention: vertical elastic component includes that vertical fixing is in guide sleeve piece on the crane, slidable mounting on the guide sleeve piece have with the fixed vertical traveller of pressure disk, the pressure disk with fixedly connected with spring coil between the guide sleeve piece, laser range finder's laser emission end and the bottom surface parallel and level of pressure disk.
As a modified scheme of the invention: the bottom of the first cross is fixedly provided with a vertical rod vertically penetrating through the second cross, a vertical cylinder in sliding connection with the vertical rod is vertically fixed on the hollow rotating disc, the first cross is in threaded connection with the adjusting column through a second external thread, and the rotating directions of the second external thread and the first external thread are opposite.
As a modified scheme of the invention: an extension sliding block which is connected with the lantern ring in a sliding mode is fixed on the semi-conical clamping plate, and a connecting spring is installed between the extension sliding block and the lantern ring.
As a modified scheme of the invention: the positioning barrels are in threaded connection with the hollow rotating disc, each positioning barrel is fixedly sleeved with a pinion, a main gear coaxially fixed with the pinion is rotatably installed in the hollow rotating disc, and the positioning barrels are fixedly sleeved with twisting blocks.
As a modified scheme of the invention: the thickness of the main gear is larger than that of the auxiliary gear.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the hollow rotating disc is arranged to realize stepping rotation under the transmission action of the stepping transmission assembly, the half gear rotates for one circle, the driven gear rotates for one quarter circle, the hollow rotating disc drives the first cross and the second cross to rotate for one quarter circle, so that the pipe fittings on the positioning cylinder can be rotated one by one to vertically correspond to the laser range finder, the lifting frame is arranged to vertically reciprocate when the rotating disc rotates, the lifting frame drives the pressure plate connected with the lifting frame to abut against the upper end of the pipe fitting, the pipe fittings are automatically detected one by the laser range finder, and the detection efficiency of the pipe fittings is greatly improved.
When the adjusting column is screwed, the adjusting column drives the first cross and the second cross to move oppositely through the second external thread and the first external thread, so that the pushing ring can move towards the lantern ring and push the conical surfaces of the semi-conical clamping plates, the two semi-conical clamping plates on each lantern ring move oppositely and clamp the pipe fitting, namely, the four pipe fittings are clamped at one time, the clamping efficiency in the pipe fitting detection operation process is greatly improved, and the detection efficiency of the pipe fitting is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 from a certain perspective according to the present invention;
FIG. 3 is a partial schematic view of the structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of FIG. 1 from another perspective of the present invention;
FIG. 5 is a schematic view of a portion of FIG. 1 according to the present invention;
FIG. 6 is a partial exploded view of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the structure of the conditioning column of the present invention;
FIG. 8 is a schematic view showing the connection of the half-cone-shaped clamp plate, the extension slider and the connection spring according to the present invention.
In the figure: 1-rack, 2-servo motor, 3-belt pulley mechanism, 4-first external thread, 5-driven gear, 6-half gear, 7-rotary disc, 8-lifting frame, 9-guide sleeve block, 10-pressure disc, 11-pipe fitting, 12-hollow rotary disc, 13-first cross, 14-pushing ring, 15-adjusting column, 16-connecting rod, 17-lantern ring, 18-positioning cylinder, 19-driving bevel gear, 20-thread sleeve block, 21-radial threaded rod, 22-connecting spring, 23-extending slider, 24-spring ring, 25-laser range finder, 26-driven bevel gear, 27-positioning disc, 28-positioning arc groove, 29-positioning arc block, 30-pushing spring, 31-sliding rod, 32-guide seat, 33-second cross, 34-half cone clamping plate, 35-twisting block, 36-vertical rod, 37-vertical cylinder, 38-second thread, 39-auxiliary gear, 40-main gear, 41-vertical sliding column.
Detailed Description
The technical scheme of the patent is further described in detail by combining the following specific embodiments:
example 1
Referring to fig. 1-8, a size detection device for an automobile pipe fitting comprises a frame 1, a servo motor 2 is fixed on the frame 1, a hollow rotating disc 12 is installed on the frame 1, a vertically arranged adjusting column 15 is installed on the hollow rotating disc 12 in a rotating manner, a second cross frame 33 is connected to the adjusting column 15 through a first external thread 4, four end portions of the second cross frame 33 are respectively fixed with a lantern ring 17, a pair of semi-conical clamping plates 34 are installed in each lantern ring 17 in a sliding manner, a first cross frame 13 is installed on the second cross frame 33 in a sliding manner, four end portions of the first cross frame 13 are respectively fixed with a pushing ring 14 coaxially arranged with the lantern rings 17, the lower edge of the inner wall of the pushing ring 14 is vertically opposite to the conical surface of the semi-conical clamping plates 34, four positioning cylinders 18 are arranged on the hollow rotating disc 12, the four positioning cylinders 18 are respectively vertically opposite to the four lantern rings 17, a stepping transmission assembly is connected between an output shaft of the servo motor 2 and the hollow rotating disc 12, a stepping transmission assembly is connected with a lifting frame 7 through a belt pulley 3, a lifting frame assembly 7, a laser rangefinder assembly 25 is installed on the frame 8, and a vertical elastic turntable assembly 16 is installed on the frame, and a vertical turntable assembly, and a range finder assembly is installed on the frame, and a range finder assembly 25 is installed on the frame 8.
When the pipe fitting 11 is subjected to length measurement and detection, the pipe fitting 11 penetrates between the two semi-conical clamping plates 34, so that the pipe fitting 11 extends into the positioning cylinder 18, the lower end of the pipe fitting 11 is abutted to the bottom in the positioning cylinder 18, the pipe fittings 11 are placed on the positioning cylinder 18, and one-time installation of the positioning cylinders 18 is achieved. The laser range finder 25 emits laser light to hit the bottom in the positioning cylinder 18, the laser light is reflected to the laser range finder 25 to measure the distance, when the pressing plate 10 moves downwards to the bottom to abut against the upper end of the pipe 11, the parameter measured by the laser range finder 25 is the length parameter of the pipe 11, and the minimum value of the values measured by the laser range finder 25 for a plurality of times during the period is the length of the pipe 11.
Specifically, the step transmission component of the device comprises a driven bevel gear 26 coaxially fixed with the hollow rotating disc 12, a driving bevel gear 19 is connected to the driven bevel gear 26 in a meshing manner, a driven gear 5 is coaxially fixed on the driving bevel gear 19, and a half gear 6 intermittently meshed with the driven gear 5 is coaxially fixed on an output shaft of the servo motor 2. The reference circle diameter of the half gear 6 is one half of the reference circle diameter of the driven gear 5, and the number of teeth of the half gear 6 is one half of the number of teeth of the driven gear 5.
Through the above arrangement, when the servo motor 2 is started, the servo motor 2 drives the half gear 6 to rotate, the half gear 6 drives the driven gear 5 to rotate in a stepping mode, the driven gear 5 drives the driving bevel gear 19 to rotate, the driving bevel gear 19 drives the driven bevel gear 26 to rotate, the driven bevel gear 26 drives the hollow rotating disc 12 to rotate, the hollow rotating disc 12 drives the positioning cylinder 18 to rotate, every rotation of the output shaft of the servo motor 2 is one circle, the hollow rotating disc 12 rotates ninety degrees, the pipe fittings 11 can sequentially rotate one by one to correspond to the laser range finder 25, meanwhile, the servo motor 2 drives the rotating disc 7 to rotate through the belt pulley mechanism 3, the rotating disc 7 drives the crane 8 to vertically reciprocate through the connecting rod 16, when the half gear 6 is not meshed with the driven gear 5, the crane 8 moves downwards, the pressure disc 10 also moves downwards and finally abuts against the top end face of the pipe fittings 11, the laser range finder 25 can be used for carrying out one by one, automatic detection, and the detection efficiency is greatly improved.
In addition, a positioning disc 27 is coaxially fixed on the driven bevel gear 26, a guide seat 32 is fixed at the bottom of the frame 1, a sliding rod 31 is slidably mounted on the guide seat 32, a positioning arc block 29 is fixed on the sliding rod 31, four positioning arc grooves 28 are uniformly formed in the side wall of the positioning disc 27, the positioning arc grooves 28 and the positioning arc block 29 are in abutting fit, and an abutting spring 30 is fixedly connected between the guide seat 32 and the positioning arc block 29.
When driven bevel gear 26 is rotatory, driven bevel gear 26 can drive positioning disk 27 and rotate for location arc groove 28 on the positioning disk 27 one by one with location arc piece 29 adaptation, support to push away spring 30 elasticity support push away under the effect, location arc piece 29 has realized the timely location effect after the rotation to positioning disk 27, guarantees the stability behind the position control of pipe fitting 11, has promoted the degree of accuracy that detects.
Example 2
Referring to fig. 1-8, based on embodiment 1, in addition, the adjusting assembly of the device includes a radial threaded rod 21 rotatably mounted on the turntable 7, a threaded sleeve block 20 slidably connected with the turntable 7 is sleeved on the radial threaded rod 21, and two ends of the connecting rod 16 are respectively hinged to the threaded sleeve block 20 and the lifting frame 8.
Can drive the relative carousel 7 of thread sleeve piece 20 radial slip through revolving to twist radial threaded rod 21, realize the regulation effect to connecting rod 16 lower extreme position for the biggest stroke that moves down that laser range finder 25 produced along with crane 8 can carry out the adaptability according to the length of the pipe fitting 11 of different specifications and adjust, realizes the effective measuring effect to pipe fitting 11.
Wherein, vertical elastic component includes vertical guide sleeve piece 9 of fixing on crane 8, and slidable mounting has vertical traveller 41 fixed with pressure disk 10 on guide sleeve piece 9, fixedly connected with spring ring 24 between pressure disk 10 and the guide sleeve piece 9, and the laser emission end of laser range finder 25 is the bottom surface parallel and level with pressure disk 10.
When moving down at crane 8, pressure disk 10 moves down, the top butt of pressure disk 10 bottom surface and pipe fitting 11, and crane 8 can also continue to move down, vertical traveller 41 and 9 relative sliding of guide sleeve piece for crane 8 moves down the displacement allowance that has the removal, make after 24 elastic compression of spring coil give pressure disk 10 thrust, make pressure disk 10 can keep butt one end with pipe fitting 11 long, guarantee that laser range finder 25 effectively detects pipe fitting 11.
In addition, a vertical rod 36 vertically penetrating through the second cross frame 33 is fixed at the bottom of the first cross frame 13 of the device, a vertical cylinder 37 connected with the vertical rod 36 in a sliding mode is vertically fixed on the hollow rotating disc 12, the first cross frame 13 is connected with the adjusting column 15 in a threaded mode through a second external thread 38, and the rotating directions of the second external thread 38 and the first external thread 4 are opposite. An extension slide block 23 connected with the lantern ring 17 in a sliding manner is fixed on the semi-conical clamping plate 34, and a connecting spring 22 is installed between the extension slide block 23 and the lantern ring 17.
Through the setting, through revolving to twist and adjusting the first cross 13 of post 15 ability drive and the motion in opposite directions of second cross 33, support the push ring 14 this moment and support to push away half toper grip block 34, half toper grip block 34 carries out centre gripping locking to pipe fitting 11 under the guide effect that extends slider 23, the fixed effect of location when four pipe fittings 11 can be realized simultaneously in the above-mentioned operation, the centre gripping operating efficiency before 11 detection of pipe fitting has been promoted greatly, and then the detection efficiency and the simple operation degree of pipe fitting 11 have been promoted.
The positioning cylinders 18 are in threaded connection with the hollow rotating disc 12, a pinion 39 is fixedly sleeved on each positioning cylinder 18, a main gear 40 coaxially fixed with the pinion 39 is rotatably mounted on the hollow rotating disc 12, a twisting block 35 is fixedly sleeved on each positioning cylinder 18, and the thickness of the main gear 40 is larger than that of the pinion 39.
One positioning cylinder 18 can be driven to rotate by screwing the screwing block 35, so that the positioning cylinder 18 can vertically move upwards relative to the hollow rotating disc 12, the auxiliary gear 39 and the main gear 40 on the positioning cylinder 18 are in meshed transmission, four positioning cylinders 18 move upwards simultaneously, the abutting of the inner bottom of the positioning cylinder 18 and the lower end of the pipe fitting 11 is effectively guaranteed, and the detection accuracy of the laser range finder 25 is guaranteed.
In conclusion, the hollow rotating disc 12 can rotate step by step under the transmission action of the step transmission assembly, the half gear 6 rotates for one circle, the driven gear 5 rotates for one quarter circle, the hollow rotating disc 12 drives the first cross 13 and the second cross 33 to rotate for one quarter circle, so that the pipe fittings 11 on the positioning cylinder 18 can rotate one by one to vertically correspond to the laser range finder 25, the lifting frame 8 can vertically reciprocate when the rotating disc 7 rotates, the lifting frame 8 drives the pressure plate 10 connected with the lifting frame to abut against the upper ends of the pipe fittings 11, the laser range finder 25 can carry out one by one and automatic detection operation on the pipe fittings 11, and the detection efficiency of the pipe fittings 11 is greatly improved. According to the invention, when the adjusting column 15 is screwed, the adjusting column 15 drives the first cross 13 and the second cross 33 to move oppositely through the second external thread 38 and the first external thread 4, so that the pushing ring 14 can move towards the lantern ring 17 and push against the conical surfaces of the semi-conical clamping plates 34, and the two semi-conical clamping plates 34 on each lantern ring 17 move oppositely and clamp the pipe fitting 11, namely, the four pipe fittings 11 are clamped at one time, the clamping efficiency in the detection operation process of the pipe fitting 11 is greatly improved, and the detection efficiency of the pipe fitting 11 is improved.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but not construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.