阅读说明：本技术 基于柴油机连杆加工机床的自动矫正系统 (Automatic correction system based on diesel engine connecting rod machining machine tool ) 是由 江景明 李金凤 荣斌 于 2021-07-21 设计创作，主要内容包括：本发明涉及一种基于柴油机连杆加工机床的自动矫正系统,包括机床本体和自动矫正装置；机床本体两侧以及前侧均设置为敞口,所述敞口下方设置有工作台,上方设置有收纳箱；自动矫正装置包括上下设置的工装夹具、用于在工装夹具上生成矫正线的矫正线生成设备,带动所述工装夹具和矫正线生成设备分别于工作台上和收纳箱内水平移动的平移架,获取工装夹具图像的摄像头,中央控制器,所述中央控制器获取所述工装夹具图像并从中提取连杆和矫正线的位置特征值,根据所述位置特征值的差值控制工装夹具矫正连杆位置。本发明利用矫正线生成设备于工装夹具上投射激光光束形成矫正线,以矫正线为基准线,配合智能夹具能够自动矫正连杆,加工效率高、质量高。(The invention relates to an automatic correction system based on a diesel engine connecting rod processing machine tool, which comprises a machine tool body and an automatic correction device, wherein the machine tool body is provided with a positioning device; two sides and the front side of the machine tool body are provided with openings, a workbench is arranged below the openings, and a storage box is arranged above the openings; the automatic correcting device comprises a tool clamp arranged up and down, a correcting line generating device used for generating a correcting line on the tool clamp, a translation frame which is used for horizontally moving the tool clamp and the correcting line generating device on a workbench and in a containing box respectively, a camera for acquiring a tool clamp image, and a central controller, wherein the central controller acquires the tool clamp image and position characteristic values of a connecting rod and the correcting line extracted from the tool clamp image, and controls the tool clamp to correct the position of the connecting rod according to the difference of the position characteristic values. According to the invention, the correction line generating equipment is used for projecting the laser beam on the tool clamp to form the correction line, the correction line is used as a reference line, and the intelligent clamp is matched to automatically correct the connecting rod, so that the machining efficiency is high, and the quality is high.)

1. The utility model provides an automatic correction system based on diesel engine connecting rod machine tool which characterized in that includes:

the machine tool comprises a machine tool body (1), wherein two sides and the front side of the machine tool body are respectively provided with an opening, a workbench (11) is arranged below the opening, and a storage box (12) is arranged above the opening;

automatic orthotic device (2), comprising:

the device comprises a tool clamp (21) arranged up and down and a correction wire generating device (22) used for generating a correction wire on the tool clamp (21);

a translation frame (23) which drives the tool clamp (21) and the correction line generation equipment (22) to respectively horizontally move on the workbench (11) and in the containing box (12);

a camera (24) for acquiring an image of the tool clamp (21);

the central controller (25) acquires the image of the tool clamp (21), extracts two position characteristic values based on the connecting rod and the correcting line from the image, and controls the tool clamp (21) to correct the position of the connecting rod according to the difference value of the two position characteristic values.

2. The automatic correction system based on the diesel connecting rod processing machine tool as claimed in claim 1, characterized in that: the correction line generating equipment (22) is a laser emitter, a plurality of laser heads (221) are distributed in the laser emitter in a rectangular array mode, the central controller (25) controls the plurality of laser heads (221) to work through the laser heads (221) control module, laser points are formed on the surface of the tool clamp (21), and the correction line is formed.

3. The automatic correction system based on the diesel connecting rod processing machine tool as claimed in claim 1, characterized in that: the tool clamp (21) comprises a base plate (211) and an intelligent clamp (212) which is arranged on the base plate (211) and used for clamping a connecting rod, the intelligent clamp (212) is driven by a hydraulic cylinder or a pneumatic cylinder, and the intelligent clamp (212) is controlled by a central controller (25).

4. The automatic correction system based on the diesel connecting rod processing machine tool as claimed in claim 1, characterized in that: translation frame (23) are provided with unilateral supporting leg (232), riser (233) and diaphragm (234) of gyro wheel including dull and stereotyped (231), bottom, riser (233) and unilateral supporting leg (232) are fixed respectively and are set up in dull and stereotyped (231) one end top and bottom of keeping away from workstation (11), diaphragm (234) are fixed to be set up in riser (233) top and one end extend to containing box (12) in, frock clamp (21) are installed in dull and stereotyped (231) upper surface, it installs in diaphragm (234) lower surface to correct line generation equipment (22), camera (24) are installed in correcting line generation equipment (22) lower surface, dull and stereotyped (231) one side is provided with the handle.

5. The automatic correction system based on diesel engine connecting rod processing machine tool of claim 4 is characterized in that: be provided with the opening on containing box (12) the lateral wall that diaphragm (234) corresponds, containing box (12) inner chamber height and width are greater than opening height and width respectively, diaphragm (234) are close to the fixed limiting plate (235) that is equipped with of one end of containing box (12), limiting plate (235) and containing box (12) inner chamber cooperation.

6. The automatic correction system based on diesel engine connecting rod processing machine tool of claim 5, characterized in that: the automatic correction device (2) is symmetrically provided with two parts which are driven by the linkage assembly (3) to move horizontally in the machine tool body (1) in the same direction as one side of the machine tool body (1).

7. The automatic correction system based on diesel engine connecting rod processing machine tool of claim 6 is characterized in that: linkage subassembly (3) including inlay lower drive structure (31) of locating workstation (11) upper surface side by side, be fixed in pinion rack (32) of dull and stereotyped (231) lower surface side by side, lower drive structure (31) include gear (311) and sprocket (312) of a plurality of coaxial settings and chain (313) of connecting a plurality of sprockets (312), the connecting axle both ends of gear (311) and sprocket (312) are passed through the bearing and are connected with workstation (11), pinion rack (32) and gear (311) meshing.

8. The automatic correction system based on diesel engine connecting rod processing machine tool of claim 7 is characterized in that: both ends of the workbench (11) are provided with openings (111), and the unilateral supporting leg (232) corresponds to the opening (111).

Technical Field

The invention belongs to the technical field of diesel engine connecting rod machining, and particularly relates to an automatic correction system based on a diesel engine connecting rod machining machine tool.

Background

The connecting rod of the diesel engine is used for connecting the piston and the crankshaft, transmitting acting force borne by the piston to the crankshaft and converting reciprocating motion of the piston into rotary motion of the crankshaft. The connecting rod body consists of three parts, and the part connected with the piston pin is called a connecting rod small end; the part connected with the crankshaft is called a connecting rod big head, and the rod part connected with the small head and the big head is called a connecting rod body.

When the connecting rod is machined, because the size of a connecting rod blank has an error, the thickness needs to be measured before machining, the upper surface and the lower surface of the connecting rod blank are milled, a hole is formed in the circle center of the connecting small head and the circle center of the large head after machining, the circle center, the edge and the like of the hole need to be scribed before the hole is formed, and then the hole is formed.

Disclosure of Invention

The invention aims to solve the problems and provide an automatic correction system based on a diesel engine connecting rod processing machine tool.

The invention realizes the purpose through the following technical scheme:

the utility model provides an automatic correction system based on diesel engine connecting rod machine tool, includes:

the machine tool comprises a machine tool body, wherein two sides and the front side of the machine tool body are respectively provided with an opening, a workbench is arranged below the opening, and a storage box is arranged above the opening;

an automatic orthotic device, comprising:

the device comprises a tool clamp and a correction wire generating device, wherein the tool clamp is arranged up and down;

the translation frame drives the tool clamp and the correction line generation equipment to horizontally move on the workbench and in the storage box respectively;

a camera for acquiring an image of the tool clamp;

and the central controller acquires the work fixture image, respectively extracts two position characteristic values based on the connecting rod and the correcting wire from the work fixture image, and controls the work fixture to correct the position of the connecting rod according to the difference value of the two position characteristic values.

As a further optimization scheme of the invention, the correction line generating equipment is a laser emitter, a plurality of laser heads are distributed in a rectangular array in the laser emitter, the central controller controls the plurality of laser heads to work through a laser head control module, and laser points, namely correction lines, are formed on the surface of the tool fixture.

As a further optimization scheme of the invention, the tool clamp comprises a base plate and an intelligent clamp which is arranged on the base plate and used for clamping a connecting rod, the intelligent clamp is driven by a hydraulic cylinder or a pneumatic cylinder, and the central controller controls the intelligent clamp.

As a further optimization scheme of the invention, the translation frame comprises a flat plate, a single-side supporting leg with a roller arranged at the bottom, a vertical plate and a transverse plate, wherein the vertical plate and the single-side supporting leg are fixedly arranged at the top and the bottom of one end of the flat plate, which is far away from the workbench, respectively, the transverse plate is fixedly arranged at the top of the vertical plate, one end of the transverse plate extends into the storage box, the tool clamp is arranged on the upper surface of the flat plate, the correction line generation equipment is arranged on the lower surface of the transverse plate, the camera is arranged on the lower surface of the correction line generation equipment, and a handle is arranged on one side of the flat plate.

As a further optimization scheme of the invention, an opening is formed in the side wall of the containing box corresponding to the transverse plate, the height and the width of the inner cavity of the containing box are respectively greater than those of the opening, a limiting plate is fixedly arranged at one end of the transverse plate close to the containing box, and the limiting plate is matched with the inner cavity of the containing box.

As a further optimization scheme of the automatic correction device, the two automatic correction devices are symmetrically arranged and horizontally move in the machine tool body in the same direction with one side of the machine tool body under the driving of the linkage assembly.

As a further optimization scheme of the invention, the linkage assembly comprises a lower driving structure embedded in the upper surface of the workbench side by side and toothed plates fixed on the lower surface of the flat plate side by side, the lower driving structure comprises a plurality of coaxially arranged gears and chain wheels and chains connected with the plurality of chain wheels, two ends of a connecting shaft of the gears and the chain wheels are connected with the workbench through bearings, and the toothed plates are meshed with the gears.

As a further optimization scheme of the invention, gaps are arranged at two ends of the workbench, and the single-side supporting leg corresponds to the gaps.

The invention has the beneficial effects that:

1) according to the connecting rod automatic correction device, the correction line generation equipment is utilized to project the laser beam on the tool clamp to form the correction line, the correction line is used as a reference line, and the connecting rod can be automatically corrected by matching with the intelligent clamp, so that manual operation is not needed, the processing efficiency is high, and the processing precision of the connecting rod is higher;

2) according to the invention, the two translation frames are utilized to drive the tool clamp and the correction line generation equipment to horizontally move on the machine tool, so that the correction work and the machine tool tapping work are ensured to be simultaneously carried out, and the processing efficiency is greatly improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a top plan view of the table of the present invention;

FIG. 4 is a bottom plan view of the present invention;

FIG. 5 is a schematic diagram of the corrective wire generating apparatus of the present invention;

FIG. 6 is a system block diagram of the present invention;

in the figure: 1. a machine tool body; 11. a work table; 111. opening the gap; 12. a storage box; 2. an automatic correction device; 21. a tooling fixture; 211. a substrate; 212. an intelligent clamp; 22. a correction line generation device; 221. a laser head; 23. a translation frame; 231. a flat plate; 232. a single-sided support leg; 233. a vertical plate; 234. a transverse plate; 235. a limiting plate; 24. a camera; 25. a central controller; 3. a linkage assembly; 31. a lower drive structure; 311. a gear; 312. a sprocket; 313. a chain; 32. a toothed plate.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 to 6, an automatic correction system based on a diesel link machining tool includes:

the machine tool comprises a machine tool body 1, wherein two sides and the front side of the machine tool body are respectively provided with an opening, a workbench 11 is arranged below the opening, and a containing box 12 is arranged above the opening;

an automatic orthotic device 2, comprising:

a tool clamp 21 arranged up and down, and a correction wire generating device 22 for generating a correction wire on the tool clamp 21; the tool clamp 21 comprises a base plate 211 and an intelligent clamp 212 which is arranged on the base plate 211 and used for clamping a connecting rod, the intelligent clamp 212 is driven by a hydraulic cylinder or a pneumatic cylinder, and the central controller 25 controls the intelligent clamp 212; the correction line generating equipment 22 is a laser transmitter, and a plurality of laser heads 221 are distributed in a rectangular array in the laser transmitter;

the translation frame 23 drives the tool clamp 21 and the correction line generation equipment 22 to horizontally move on the workbench 11 and in the containing box 12 respectively;

a camera 24 for acquiring an image of the tool clamp 21;

and the central controller 25 is used for acquiring the image of the tool clamp 21, respectively extracting two position characteristic values based on the connecting rod and the correcting wire from the image, and controlling the tool clamp 21 to correct the position of the connecting rod according to the difference value of the two position characteristic values. Specifically, if the distance between the edge of the profile of the connecting rod and the edge of the correction line (the distance can be the distance between the corresponding feature points) is a position feature value, the tooling clamp 21 is controlled according to the difference of the distances, namely the difference between the two position feature values, the tooling clamp 21 is generally set to be a plurality of and distributed at the edge of the connecting rod, and the tooling clamp 21 pushes the connecting rod until the difference is 0 or the difference is within a set threshold range.

The central controller 25 controls the plurality of laser heads 221 to work through the laser head 221 control module, and forms laser points, namely correction lines, on the surface of the tool clamp 21.

Translation frame 23 includes that dull and stereotyped 231, bottom are provided with unilateral supporting leg 232, riser 233 and diaphragm 234 of gyro wheel, riser 233 and unilateral supporting leg 232 are fixed respectively and set up in dull and stereotyped 231 keeps away from the one end top and the bottom of workstation 11, diaphragm 234 is fixed to be set up in riser 233 top and one end extend to containing box 12 in, frock clamp 21 is installed in dull and stereotyped 231 upper surface, correct line generation equipment 22 and install in diaphragm 234 lower surface, camera 24 is installed in correcting line generation equipment 22 lower surface, dull and stereotyped 231 one side is provided with the handle. Be provided with the opening on the containing box 12 lateral wall that diaphragm 234 corresponds, containing box 12 inner chamber height and width are greater than opening height and width respectively, diaphragm 234 is close to the fixed limiting plate 235 that is equipped with of one end of containing box 12, limiting plate 235 and the cooperation of containing box 12 inner chamber can guarantee its steady removal when dull and stereotyped 231 horizontal migration.

It should be noted that: in the prior art, before the lathe processes the connecting rod, need place the connecting rod on frock clamp 21, adopt the standard connecting rod pattern plate of making in advance to place on the connecting rod, mark the line on the connecting rod surface behind the alignment position, mark the centre of a circle, the edge of hole etc. it is convenient for follow-up to connecting the round hole trompil on little head and the big head, there is manual operation error in this kind of marking operation, machining precision is low, and the operation is inconvenient, influence machining efficiency, to this, we carry out the generation of correction line through adopting correction line generating equipment 22, the correction line is the line or the point, cooperate the camera 24 image recognition through this correction line, can realize the automatic correction of connecting rod, it is concrete:

after the connecting rod is placed on the tool clamp 21, according to the preset correction line path, the central controller 25 controls the laser heads 221 to work through the laser head 221 control modules, corresponding laser points, namely correction lines, are formed on the surface of the tool clamp 21, and the correction lines can comprise standard connecting rod upper surface characteristic paths, hole opening circle centers and the like. At this time, an image of the tooling fixture 21 is acquired through the camera 24, the image comprises a connecting rod image and a correction line image, the acquired image is sent to the central controller 25, the image processing module in the central controller 25 extracts the position characteristic values of the connecting rod and the correction line from the image, the tooling fixture 21 is controlled according to the difference value of the position characteristic values, the tooling fixture drives the connecting rod to automatically correct the position of the connecting rod, even if the intelligent fixture 212 is not adopted, manual auxiliary correction can be performed, scribing is not needed, and the operation accuracy is much higher than that of the prior art.

In addition, in order to avoid the mutual interference of the correction wire generating device 22 and the punching device on the machine tool in machining, the movable translation frame 23 is arranged to drive the tool clamp 21 and the correction wire generating device 22 to horizontally move in the machine tool, when the correction is carried out, the translation frame 23 is pulled out, the correction wire generating device 22 vertically corresponds to the tool clamp 21, the generation of the correction wire is facilitated, after the correction is completed, the tool clamp 21 moves to a position above the workbench 11, the punching device punches holes on the connecting rod, the correction wire generating device 22 is stored in the storage box 12, and the protection device does not collide with the punching device.

As shown in fig. 1-4, two automatic straightening devices 2 are symmetrically arranged and are driven by the linkage assembly 3 to horizontally move in the machine tool body 1 in the same direction as one side of the machine tool body 1, two ends of the workbench 11 are provided with notches 111, and the single-side supporting leg 232 corresponds to the notch 111.

Linkage component 3 includes and inlays the lower drive structure 31 of locating workstation 11 upper surface side by side, is fixed in the pinion rack 32 of dull and stereotyped 231 lower surface side by side, lower drive structure 31 includes the gear 311 and the sprocket 312 of a plurality of coaxial settings and connects the chain 313 of a plurality of sprockets 312, the connecting axle both ends of gear 311 and sprocket 312 are passed through the bearing and are connected with workstation 11, pinion rack 32 meshes with gear 311.

It should be noted that: in addition, when the standard connecting rod model plate is adopted for marking in the prior art, the operation needs to occupy a machine tool and reduce the processing efficiency, if a station is additionally arranged for marking, the tooling clamp 21 and the connecting rod need to be transferred, a transfer tool needs to be arranged, and the tooling, the connecting rod and the like are easy to damage.

For this purpose, two automatic straightening devices 2 are provided, and when one automatic straightening device 2 is pushed towards the machine tool body 1, the toothed plate 32 at the bottom of the automatic correction device 2 drives the gear 311 to rotate, the gear 311 simultaneously drives the coaxial chain wheel 312 to rotate, the chain wheel 312 is driven by the chain 313 to simultaneously rotate, the gear 311 simultaneously rotates, and at the moment, the gear 311 is meshed with the toothed plate 32 at the bottom of the other automatic correction device 2, so that the other automatic correction device 2 can be moved out of the machine tool body 1, can correct the connecting rod on the automatic correction device 2 outside the machine tool, and can carry out the operations of feeding and discharging materials and the like, meanwhile, the automatic correction device 2 in the machine tool cannot obstruct the drilling equipment from machining the connecting rod, so that the machining efficiency can be improved, a transfer tool for additionally arranging the connecting rod and the tool clamp 21 is not needed, and the operation is very convenient.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.