阅读说明：本技术 一种柴油机连杆可调节加工机床 (Adjustable machine tool for connecting rod of diesel engine ) 是由 余宣扬 许帮如 孙爱军 于 2021-07-21 设计创作，主要内容包括：本发明涉及一种柴油机连杆可调节加工机床,包括机床本体、安装于机床本体上的工装夹具,所述工装夹具上方设置有可拆卸连接的标准连杆模型板和图像采集处理设备,所述标准连杆模型板和图像采集处理设备通过位置调节组件于工装夹具上方和机床本体下方之间移动,以及通过升降组件靠近/远离工装夹具,所述图像采集处理设备采集工装夹具图像并从中分别提取基于标准连杆模型板和连杆的两种位置特征值,根据两种位置特征值的差值控制工装夹具调整连杆位置。本发明将标准连杆模型板设置于机床上并且位置可调节,不影响机床加工连杆,加工效率高,使用方便,避免另外存储以及反复拿取导致损耗等问题。(The invention relates to an adjustable processing machine tool for a diesel engine connecting rod, which comprises a machine tool body and a tool clamp arranged on the machine tool body, wherein a standard connecting rod model plate and image acquisition processing equipment which are detachably connected are arranged above the tool clamp, the standard connecting rod model plate and the image acquisition processing equipment move between the upper part of the tool clamp and the lower part of the machine tool body through a position adjusting assembly and approach to/leave the tool clamp through a lifting assembly, the image acquisition processing equipment acquires images of the tool clamp and respectively extracts two position characteristic values based on the standard connecting rod model plate and the connecting rod from the images, and the tool clamp is controlled to adjust the position of the connecting rod according to the difference value of the two position characteristic values. The standard connecting rod model plate is arranged on the machine tool and the position of the standard connecting rod model plate can be adjusted, so that the connecting rod machined by the machine tool is not influenced, the machining efficiency is high, the use is convenient, and the problems of loss and the like caused by additional storage and repeated taking are avoided.)

1. The utility model provides an adjustable machine tool of diesel engine connecting rod, includes lathe body (1), installs frock clamp (2) on lathe body (1), its characterized in that:

a standard connecting rod model plate (3) and image acquisition and processing equipment (4) which are detachably connected are arranged above the tool clamp (2);

the standard connecting rod model plate (3) and the image acquisition processing equipment (4) move between the upper part of the tool clamp (2) and the lower part of the machine tool body (1) through a position adjusting assembly (5), and approach/leave the tool clamp (2) through a lifting assembly (6);

the image acquisition and processing equipment (4) acquires images of the tool clamp (2), extracts two position characteristic values based on the standard connecting rod model plate (3) and the connecting rod from the images respectively, and controls the tool clamp (2) to adjust the position of the connecting rod according to the difference value of the two position characteristic values.

2. The adjustable processing machine tool for the connecting rod of the diesel engine according to claim 1, characterized in that: the standard connecting rod model plate (3) is a plate with thickness processed by taking the upper surface of the connecting rod as a reference surface, the color of the standard connecting rod model plate (3) is different from that of the connecting rod, and a scribing groove is formed in the standard connecting rod model plate (3).

3. The adjustable processing machine tool for the connecting rod of the diesel engine according to claim 1, characterized in that: image acquisition and processing equipment (4) including storage plate (41), inlay folding rod (42) of locating in storage plate (41) upper surface caulking groove (10), set up in folding rod (42) one end bottom and with camera (43) that frock clamp (2) correspond, with camera (43) are connected and the internal integration has central controller (44) of image recognition module, central controller (44) acquire frock clamp (2) image that camera (43) were gathered and from extracting respectively based on two kinds of position characteristic values of standard connecting rod model board (3) and connecting rod, according to difference control frock clamp (2) adjustment connecting rod position of two kinds of position characteristic values.

4. The adjustable machine tool for processing the diesel engine connecting rod according to claim 3, wherein: folding rod (42) bottom is through bearing link block (7), stopper (8) is connected through pivot and bearing in slider (7) both ends, spacing groove (9) have been seted up on caulking groove (10) both sides wall that stopper (8) correspond, stopper (8) slide and set up in spacing groove (9).

5. The adjustable machine tool for processing the diesel engine connecting rod according to claim 3, wherein: the standard connecting rod model plate (3) is provided with a screw hole and is connected with the storage plate (41) through a bracket (11) and a screw.

6. The adjustable machine tool for processing the diesel engine connecting rod according to claim 3, wherein: the position adjusting assembly (5) comprises long sliding grooves (51) arranged on two side walls of the machine tool body (1), a sliding plate (52) arranged in the long sliding grooves (51) in a sliding mode, and a connecting rod (53) arranged on the outer side wall of the sliding plate (52) in a rotating mode and connected with the image acquisition and processing equipment (4).

7. The adjustable machine tool for processing the diesel engine connecting rod according to claim 6, wherein: lifting unit (6) include horizontal pole (61) and lift perforation (62), lift perforation (62) are seted up on two connecting rods (53), horizontal pole (61) are fixed in the one end of accomodating board (41) and keeping away from standard connecting rod model board (3), horizontal pole (61) both ends slide and set up in lift perforation (62) on two connecting rods (53).

8. The adjustable machine tool for processing the diesel engine connecting rod according to claim 7, wherein: the cross sections of the cross rod (61) and the lifting through hole (62) are both rectangular, and the two ends of the cross rod (61) penetrate through the lifting through hole (62) and are fixedly connected with the baffle (12).

9. The adjustable machine tool for processing the diesel engine connecting rod according to claim 3, wherein: the lower surface of the standard connecting rod model plate (3) is embedded with a plurality of pressure sensors (13), the pressure sensors (13) are connected with a central controller (44), and the central controller (44) is connected with an alarm (14).

Technical Field

The invention belongs to the technical field of machining of diesel engine connecting rods, and particularly relates to an adjustable machining tool for a diesel engine connecting rod.

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 need to be milled, holes are formed in the circle center of the connecting small head and the circle center of the large head after machining, the connecting rod needs to be placed on a tool clamp before the holes are formed, a standard connecting rod model plate which is manufactured in advance is placed on the connecting rod, lines are drawn on the surface of the connecting rod after aligning the positions, the circle center, the edge and the like of the holes are marked, and subsequent hole forming is facilitated for circular holes in the connecting small head and the large head. The standard connecting rod model plate that this kind of marking off mode adopted is the steel sheet generally, all needs to use before every connecting rod processing, and it is very troublesome to so take to use repeatedly, but can not directly place on the lathe again, can influence lathe processing.

Disclosure of Invention

The invention aims to solve the problems and provide an adjustable processing machine tool for a diesel engine connecting rod.

The invention realizes the purpose through the following technical scheme:

a diesel engine connecting rod adjustable processing machine tool comprises a machine tool body and a tool clamp arranged on the machine tool body;

a standard connecting rod model plate and image acquisition and processing equipment which are detachably connected are arranged above the tool clamp;

the standard connecting rod model plate and the image acquisition processing equipment move between the upper part of the tool clamp and the lower part of the machine tool body through the position adjusting assembly and are close to/far away from the tool clamp through the lifting assembly;

the image acquisition and processing equipment acquires the images of the tool clamp, respectively extracts two position characteristic values based on a standard connecting rod model plate and a connecting rod from the images, and controls the tool clamp to adjust the position of the connecting rod according to the difference value of the two position characteristic values.

As a further preferable aspect of the present invention, the standard connecting rod model plate is a plate processed with a thickness by using an upper surface of the connecting rod as a reference surface, the standard connecting rod model plate has a color different from that of the connecting rod, and the standard connecting rod model plate is provided with a score line groove.

As a further optimization scheme of the invention, the image acquisition and processing equipment comprises an acquisition board, a folding rod embedded in an embedding groove on the upper surface of the acquisition board, a camera which is arranged at the bottom of one end of the folding rod and corresponds to the tool clamp, and a central controller which is connected with the camera and internally integrates an image identification module, wherein the central controller acquires the tool clamp image acquired by the camera, extracts two position characteristic values based on a standard connecting rod model plate and a connecting rod from the image, and controls the tool clamp to adjust the position of the connecting rod according to the difference of the two position characteristic values.

As a further optimization scheme of the invention, the bottom end of the folding rod is connected with a sliding block through a bearing, two ends of the sliding block are connected with a limiting block through a rotating shaft and the bearing, two side walls of an embedding groove corresponding to the limiting block are provided with limiting grooves, and the limiting block is arranged in the limiting grooves in a sliding manner.

As a further optimization scheme of the invention, the standard connecting rod model plate is provided with a screw hole and is connected with the containing plate through a bracket and a screw.

As a further optimization scheme of the invention, the position adjusting assembly comprises long sliding grooves formed in two side walls of the machine tool body, sliding plates arranged in the long sliding grooves in a sliding mode, and connecting rods rotatably arranged on the outer side walls of the sliding plates and connected with the image acquisition and processing equipment.

As a further optimized scheme of the invention, the lifting assembly comprises a cross rod and lifting through holes, the lifting through holes are formed in the two connecting rods, the cross rod is fixed at one end of the accommodating plate far away from the standard connecting rod model plate, and two ends of the cross rod are slidably arranged in the lifting through holes in the two connecting rods.

As a further optimization scheme of the invention, the cross section of the cross rod and the cross section of the lifting through hole are both rectangular, and two ends of the cross rod penetrate through the lifting through hole to be fixedly connected with the baffle.

As a further optimization scheme of the invention, a plurality of pressure sensors are embedded in the lower surface of the standard connecting rod model plate, the pressure sensors are connected with a central controller, and the central controller is connected with an alarm.

The invention has the beneficial effects that:

1) according to the invention, the standard connecting rod model plate and the image acquisition and processing equipment are rotated to the upper part of the connecting rod and attached to the connecting rod by using the position adjusting assembly and the lifting assembly, the tool clamp is controlled to adjust the position of the connecting rod, and then the standard connecting rod model plate and the image acquisition and processing equipment are stored to the bottom of the machine tool body, so that the processing of the tapping equipment is not influenced, the processing efficiency is high, the use is convenient, and the problems of loss and the like caused by additional storage and repeated taking are avoided;

2) according to the invention, the standard connecting rod model plate and the image acquisition and processing equipment are additionally arranged on the machine tool body by utilizing the position adjusting assembly and the lifting assembly, the relative positions among the camera, the standard connecting rod model plate and the tool clamp are unchanged, the workload of image processing is greatly reduced only by changing the position of the connecting rod processed each time, and the processing positions of the connecting rods after correction each time are the same, so that the tapping equipment can process a plurality of same connecting rods only by once adjustment.

Drawings

FIG. 1 is an overall side view of a standard connecting rod model plate of the present invention when stowed;

FIG. 2 is an overall side view of the standard connecting rod model plate of the present invention in use;

FIG. 3 is a schematic cross-sectional view of a standard connecting rod model plate of the present invention in use;

FIG. 4 is a schematic structural view of part A of FIG. 3 according to the present invention;

FIG. 5 is a top view of a standard connecting rod model plate of the present invention;

FIG. 6 is a schematic view of the lift assembly of the present invention;

FIG. 7 is a system block diagram of the present invention;

in the figure: 1. a machine tool body; 2. a tooling fixture; 3. a standard connecting rod model plate; 4. an image acquisition processing device; 41. a storage plate; 42. a folding bar; 43. a camera; 44. a central controller; 5. a position adjustment assembly; 51. a long chute; 52. a slide plate; 53. a connecting rod; 6. a lifting assembly; 61. a cross bar; 62. lifting and punching; 7. a slider; 8. a limiting block; 9. a limiting groove; 10. caulking grooves; 11. a support; 12. a baffle plate; 13. a pressure sensor; 14. an alarm.

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. 1-7, an adjustable processing machine tool for a diesel engine connecting rod comprises a machine tool body 1 and a tool clamp 2 arranged on the machine tool body 1, wherein the tool clamp 2 is driven by a hydraulic cylinder or a pneumatic cylinder;

a standard connecting rod model plate 3 and image acquisition and processing equipment 4 which are detachably connected are arranged above the tool clamp 2;

the standard connecting rod model plate 3 and the image acquisition processing equipment 4 move between the upper part of the tool clamp 2 and the lower part of the machine tool body 1 through the position adjusting assembly 5 and approach/leave the tool clamp 2 through the lifting assembly 6;

the standard connecting rod model plate 3 is a plate processed by taking the upper surface of a connecting rod as a reference surface and provided with a thickness, the color of the standard connecting rod model plate 3 is different from that of the connecting rod, and a marking groove is formed in the standard connecting rod model plate 3 and can be a point or a line to assist in hole forming and other operations of the connecting rod;

the image acquisition and processing equipment 4 acquires the images of the tool clamp 2 acquired by the camera 43, respectively extracts two position characteristic values based on the standard connecting rod model plate 3 and the connecting rod from the images, and controls the tool clamp 2 to adjust 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 profile of the standard connecting rod model plate 3 (the distance can be the distance between corresponding feature points) is a position feature value, the tooling clamp 2 is controlled according to the difference of the distance, namely the difference of the two position feature values, the tooling clamp 2 is generally set to be a plurality of parts and distributed at the edge of the connecting rod, and the tooling clamp 2 pushes the connecting rod until the difference is 0 or the difference is within a set threshold range;

image acquisition and processing equipment 4 includes storage plate 41, inlays folding rod 42 of locating in storage plate 41 upper surface caulking groove 10, set up in folding rod 42 one end bottom and the camera 43 that corresponds with frock clamp 2, with camera 43 is connected and the internal integration has the central controller 44 of image recognition module, central controller 44 acquires frock clamp 2 image that camera 43 gathered and from extracting two kinds of position characteristic values based on standard connecting rod model board 3 and connecting rod respectively, control frock clamp 2 adjustment connecting rod position according to the difference of two kinds of position characteristic values. Bearing link block 7 is passed through to folding rod 42 bottom, stopper 8 is connected through pivot and bearing at 7 both ends of slider, spacing groove 9 has been seted up on the caulking groove 10 both sides wall that stopper 8 corresponds, stopper 8 slides and sets up in spacing groove 9, expandes with ninety degrees in order to make folding rod 42, sets up to interference fit in folding articulated department of folding rod 42, can adjust the shooting angle of camera 43, between folding rod 42 bottom and slider 7, between 7 both ends of slider and the stopper 8 and between stopper 8 and the spacing groove 9 all can adopt interference fit's connected mode, can tentatively spacing to arbitrary angle and position when rotary operation and sliding operation like this, make things convenient for image acquisition and whole the accomodating. The standard connecting rod model plate 3 is provided with screw holes and is connected with the storage plate 41 through the bracket 11 and screws, so that the standard connecting rod model plate 3 can be detached and replaced, and the connecting rod model plate is also suitable for processing different connecting rods.

The position adjusting assembly 5 comprises long sliding grooves 51 arranged on two side walls of the machine tool body 1, sliding plates 52 arranged in the long sliding grooves 51 in a sliding mode, and connecting rods 53 arranged on the outer side walls of the sliding plates 52 in a rotating mode and connected with the image acquisition and processing equipment 4. The lifting assembly 6 comprises a cross rod 61 and lifting through holes 62, the lifting through holes 62 are formed in the two connecting rods 53, the cross rod 61 is fixed at one end, away from the standard connecting rod model plate 3, of the containing plate 41, and two ends of the cross rod 61 are arranged in the lifting through holes 62 in the two connecting rods 53 in a sliding mode. The cross sections of the cross rod 61 and the lifting through hole 62 are rectangular, and two ends of the cross rod 61 penetrate through the lifting through hole 62 to be fixedly connected with the baffle 12.

It should be noted that: before the connecting rod is machined, the connecting rod is placed on a tool clamp 2, and is preliminarily clamped by the tool clamp 2 or not clamped, the connecting rod 53 is pulled at the moment to drive the sliding plate 52 to slide to one end, close to the front side of a machine tool, of the long sliding groove 51, then the connecting rod is rotated to drive the standard connecting rod model plate 3 and the image acquisition and processing equipment 4 to rotate to a position between the tool clamp 2 and the hole forming equipment above, at the moment, the connecting rod is continuously pushed to the rear side, the sliding plate 52 stops when sliding to the rear end of the long sliding groove 51, the standard connecting rod model plate 3 is positioned right above the tool clamp 2, the standard connecting rod model plate 3 is pressed downwards, the image acquisition and processing equipment 4 and the cross rod 61 are driven by the standard connecting rod model plate 3 to slide downwards in the through hole in the connecting rod 53 until the standard connecting rod model plate 3 is attached to the upper surface of the connecting rod clamped by the tool clamp 2, and the marking operation is convenient;

then, the folding rod 42 on the containing plate 41 is unfolded, the bottom end of the folding rod rotates in a bearing in the sliding block 7, after the sliding block 7 and the rotating shaft rotate in the limiting block 8, the limiting block 8 horizontally moves in the limiting groove 9 and the like, the camera 43 is ensured to correspond to the tooling clamp 2 at the bottom, at the moment, the camera 43 shoots an image of the standard connecting rod model plate 3 which is overlapped with the connecting rod after being attached, the positions of the characteristic points on the connecting rod and the characteristic points on the standard connecting rod model plate 3 are captured, and the tooling clamp 2 is controlled to adjust the position of the connecting rod according to the difference between the positions.

The lower surface of the standard connecting rod model plate 3 is embedded with a plurality of pressure sensors 13, the pressure sensors 13 are connected with a central controller 44, the central controller 44 is connected with an alarm 14, when the standard connecting rod model plate 3 is attached to a connecting rod, the standard connecting rod model plate 3 can be pressed to enable the pressure sensors 13 on the lower surface to detect the stress condition, the surface milling working quality in the previous step is judged according to the stress condition, if the quality exceeds a preset threshold value, the alarm 14 gives an alarm, and the previous surface milling station is returned for re-processing.

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.