CN218646218U - A dimension detection device for crankshaft machining - Google Patents

Abstract

The utility model provides a size detection device of crankshaft machining relates to bent axle processing equipment technical field, including the control box, be equipped with the workstation on the control box, the frame has been erect on the workstation, install the moving mechanism on the frame, the moving mechanism is connected with elevating system, install the detector on the elevating system, the symmetry is provided with two and places seat and two mount pads on the workstation, the mount pad is in and places the seat outside and install the tight cylinder in top on the mount pad, one of them tight cylinder in top is connected with and removes the seat, another tight cylinder in top is connected with the fixing base, remove and install the thimble seat on the seat, install the rotating electrical machines on the fixing base, the rotating electrical machines is connected with the tight seat in top, tight seat in top and thimble seat coaxial center set up; the device realizes automatic measurement of the roundness of the crankshaft main journal by utilizing the rotation fit detector of the crankshaft, has high measurement efficiency, simple operation and good use effect, and can quickly and conveniently detect the roundness of the crankshaft main journal.

Description

A dimension detection device for crankshaft processing

technical field

The utility model relates to the technical field of crankshaft processing equipment, in particular to a size detection device for crankshaft processing.

Background technique

The crankshaft is an important part of the engine. It bears the force transmitted by the connecting rod, converts it into torque and outputs it through the crankshaft and drives other accessories on the engine to work. The crankshaft requires sufficient strength and rigidity, and good balance during rotation. Therefore, the manufacturing precision of the crankshaft has high requirements. During the processing of the crankshaft, it is necessary to check the roundness of the main journal on the crankshaft to determine whether it meets the qualification requirements.

Chinese patent CN208223364U proposes a crankshaft detection device, Chinese patent CN213579016U proposes a crankshaft axial dimension detection device, the above two detection devices are by placing the crankshaft on a fixed position, and then using a dial indicator to detect it, on the crankshaft There are multiple main journals. Using the above two methods for detection requires manual adjustment of the position of the dial indicator many times. The operation is relatively cumbersome, and each measurement requires manual reading, and the detection efficiency is low.

Utility model content

The purpose of this utility model is to solve the problems raised in the above-mentioned background technology, and then propose a dimension detection device for crankshaft processing.

The technical scheme that the utility model solves its technical problem to take is:

A size detection device for crankshaft processing, including a control box, a workbench is arranged on the control box, a gantry frame is set up on the workbench, a moving mechanism is installed on the gantry frame, a lifting mechanism is connected to the moving mechanism, and a detection device is installed on the lifting mechanism. There are two placement seats and two installation seats symmetrically arranged on the worktable. There is a fixed seat, a thimble seat is installed on the movable seat, a rotating motor is installed on the fixed seat, and the rotating motor is connected with a top tight seat, and the top tight seat and the thimble seat are coaxially arranged.

Further, the moving mechanism includes a drive motor, a lead screw, a slide rail that is a slide block, the drive motor, a lead screw and a slide rail are installed on the gantry, one end of the lead screw is connected to the drive motor and the lead screw and the slide rail are equipped with The sliding block realizes the operation of the drive motor to drive the sliding block to do reciprocating linear motion along the slide rail, and the bottom end of the sliding block is provided with a lifting mechanism.

Further, the lifting mechanism is one of a positioning electric cylinder, a hydraulic cylinder or an air cylinder.

Further, the detector adopts a contact displacement sensor or a Weir rotary cylindricity meter, and the detector uses the expansion and contraction of the detection probe to generate a displacement signal to realize the detection of the roundness of the main journal.

Further, a V-shaped placement groove is opened on the placement seat for stable placement of the crankshaft.

Further, the workbench is provided with a guide rail, and the moving seat and the fixed seat are respectively slidably matched with the guide rail to improve the moving effect of the two and avoid their positions from being shifted.

Further, the clamping seat adopts an electromagnetic plate to improve the clamping effect.

Further, it also includes a display, the display is electrically connected to the controller in the control box, the control box is provided with a mounting frame, and a display is installed on the mounting frame, through the numerical value on the display, the staff can conveniently and quickly judge whether the crankshaft is Qualified product.

Further, the display is also electrically connected to an alarm, and when the roundness of the main journal exceeds the allowable error range, the alarm directly alarms to give a warning.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model realizes the automatic measurement of the roundness of the main journal of the crankshaft by using the rotation of the crankshaft with the detector, and the measurement efficiency is high; during the measurement, the thimble seat is tightened against one end of the crankshaft, and the jacking seat is tightened against the other end of the crankshaft. At the end of the work, the rotating motor drives the crankshaft to rotate, and the detector moves to the main journal for detection work. After the roundness measurement of all the main journals on the crankshaft is completed, the detector, thimble seat and top tight seat return to their original positions, that is, the measurement work Finish.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the position of placement groove;

Figure 3 is a schematic diagram of the installation of the display;

Among them: 1. Control box; 11. Workbench; 3. Gantry frame; 4. Drive motor; 41. Lead screw; 42. Slide rail; 43. Slider; 44. Positioning electric cylinder; 45. Detector; 5 , placement seat; 51, placement groove; 6, installation seat; 61, top tightening cylinder; 62, guide rail; 63, moving seat; 64, thimble seat; 65, fixed seat; 66, rotating motor; 67, top tight seat ; 7, mounting frame; 71, display.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. The utility model is further described in conjunction with accompanying drawing and embodiment:

As shown in Figures 1 and 2, a dimension detection device for crankshaft processing includes a control box 1, a workbench 11 is arranged on the control box 1, a gantry 3 is mounted on the workbench 11, and a drive is installed on the gantry 3. Motor 4, lead screw 41 and slide rail 42, one end of lead screw 41 is connected with drive motor 4 and slide block 43 is matched on lead screw 41 and slide rail 42 to realize the operation of drive motor 4 to drive slide block 43 to reciprocate along slide rail 42 Linear movement, the bottom of the slider 43 is provided with a positioning electric cylinder 44 for positioning the main journal, and a detector 45 for detecting the roundness of the main journal is installed on the positioning electric cylinder 44. Two placement seats 5 and two installation seats 6 are provided, and a V-shaped placement groove 51 is provided on the placement seat 5 for stable placement of the crankshaft. The installation seat 6 is outside the placement seat 5 and is installed with Clamping cylinders 61, wherein one clamping cylinder 61 is connected with a movable seat 63, and the other clamping cylinder 61 is connected with a fixed seat 65, and the movable seat 63 and the fixed seat 65 are slidably matched with the guide rails 62 arranged on the workbench 11 respectively , and a thimble seat 64 for tightening one end of the crankshaft is installed on the moving seat 63, a rotating motor 66 is installed on the fixed seat 65, and the rotating motor 66 is connected with a tightening seat 67, which is coaxial with the thimble seat 64 hearts set.

Among them, the detector can adopt the contact displacement sensor or the Weir rotary cylindricity meter announced by the Chinese patent (application number: CN201720248771.1). The stretching of the detection probe in the detector 45 generates a displacement signal, and the signal is transmitted to the control box 1 Analyze and process in the internal controller to detect whether the roundness of the main journal is within the allowable range of error.

In the specific implementation process of this device, at first, the crankshaft is placed on the two placement seats 5, the device is started, the thimble seat 64 is tightened against one end of the crankshaft, and the tightening seat 67 is tightened against the other end of the crankshaft, and the tightening work is completed. The rotating motor 66 operates to drive the crankshaft to rotate. At the same time, the driving motor 4 and the positioning electric cylinder 44 operate and drive the detector 45 to move to the main journal for detection.

Among them, in order to improve the clamping effect, the jacking seat 67 adopts an electromagnetic plate, and the electromagnetic plate can absorb one end of the crankshaft when it is energized. Using the electromagnetic plate not only realizes the jacking function, but also has a specific adsorption function, which further improves the jacking effect.

This design also includes a display 71, the display 71 is electrically connected to the controller in the control box 1, specifically, as shown in Figure 3, the control box 1 is provided with a mounting frame 7, and the mounting frame 7 is equipped with a display 71, through The detector 45 detects the roundness of the main journal, and the measured value is directly reflected on the display 71. Through the numerical value on the display 71, the staff can quickly and conveniently judge whether the crankshaft is a qualified product, wherein the display 71 is also electrically connected to an alarm , when the roundness of the main journal exceeds the allowable error range, at this time, the alarm will directly alarm and give a warning, reminding the staff that the crankshaft is unqualified and needs to be reworked.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the specification only illustrate the principle of the utility model, without departing from the spirit and scope of the utility model. The utility model also has various changes and improvements, and these changes and improvements all fall within the protection scope of the utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. A size detection device for crankshaft processing, characterized in that it comprises a control box (1), the control box (1) is provided with a workbench (11), and the workbench (11) is provided with a gantry (3), A moving mechanism is installed on the gantry (3), the moving mechanism is connected with a lifting mechanism, a detector (45) is installed on the lifting mechanism, and two placing seats (5) and two mounting seats are arranged symmetrically on the workbench (11) (6), the mounting base (6) is on the outside of the placement base (5) and the mounting base (6) is equipped with a top tightening cylinder (61), wherein one of the top tightening cylinders (61) is connected with a moving seat (63), and the other The jacking cylinder (61) is connected with a fixed seat (65), the thimble seat (64) is installed on the mobile seat (63), the rotary motor (66) is installed on the fixed seat (65), and the rotary motor (66) is connected with a top Tight seat (67), top tight seat (67) and thimble seat (64) coaxial center setting. 2. A dimension detection device for crankshaft processing according to claim 1, characterized in that the moving mechanism comprises a drive motor (4), a lead screw (41), a slide rail (42), that is, a slider (43) , drive motor (4), lead screw (41) and slide rail (42) are installed on the gantry (3), lead screw (41) one end is connected with drive motor (4) and lead screw (41) and slide rail ( 42) is equipped with slide block (43) to drive slide block (43) to do reciprocating linear motion along slide rail (42) to realize drive motor (4) operation, slide block (43) bottom is provided with elevating mechanism. 3. A dimension detection device for crankshaft machining according to claim 2, characterized in that the lifting mechanism is one of a positioning electric cylinder (44), a hydraulic cylinder or an air cylinder. 4. A dimension detection device for crankshaft processing according to claim 1, characterized in that the detector (45) is a contact displacement sensor or a Weir rotary cylindricity meter. 5 . The dimension detection device for crankshaft processing according to claim 1 , characterized in that, a V-shaped placement groove ( 51 ) is opened on the placement seat ( 5 ). 5 . 6. A dimension detection device for crankshaft processing according to claim 1, characterized in that guide rails (62) are provided on the workbench (11), and the moving seat (63) and the fixed seat (65) are respectively Sliding fit with guide rail (62). 7. A dimension detection device for crankshaft processing according to claim 1, characterized in that the clamping seat (67) adopts an electromagnetic plate. 8. The dimension detection device of a kind of crankshaft processing according to claim 1, is characterized in that, also comprises display (71), and display (71) is electrically connected with the controller in control box (1), and control box ( 1) A mounting frame (7) is arranged on the mounting frame (7), and a display (71) is installed on the mounting frame (7). 9. A dimension detection device for crankshaft processing according to claim 8, characterized in that the display (71) is also electrically connected to an alarm.

Images