阅读说明：本技术 一种凸轮轴多轴颈同时跳动检测夹具 (Camshaft multiaxis neck detects anchor clamps that beat simultaneously ) 是由 朱振滔 杨启明 余天 纪金强 徐道广 俞协 余巧 程志生 王刚 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种凸轮轴多轴颈同时跳动检测夹具,由检测机构和凸轮轴工装机构组成,检测机构由钢球(1)、检测杠杆(2)、检测底座(4)、浮动顶尖(5)、百分表(6)、调节螺丝(7)构成,凸轮轴工装机构由底板(3)、尾部顶尖支撑块(8)、尾部顶尖(9)、头端驱动顶尖(10)、拨杆(11)、连接销栓(12)、驱动块(13)、顶杆(14)、弹簧(15)、支撑座(16)构成,采用本发明,使待检测的凸轮轴置于两顶尖之间,钢球的表面与被检测轴颈表面活动接触,钢球硬度高,不易磨损,使用寿命长,保证了产品的检测精度,保障了产品的检测精度要求,解决了传统工艺的繁琐和测量偏差太大的问题,提高了检测的效率和精准率,给企业大幅降低了人工成本,操作方便,此方法在效率上提高了多倍,对于新手也更容易接受和掌握。(The invention discloses a multi-journal simultaneous bounce detection clamp for a camshaft, which consists of a detection mechanism and a camshaft tooling mechanism, wherein the detection mechanism consists of a steel ball (1), a detection lever (2), a detection base (4), a floating center (5), a dial indicator (6) and an adjusting screw (7), the camshaft tooling mechanism consists of a bottom plate (3), a tail center supporting block (8), a tail center (9), a head end driving center (10), a shift lever (11), a connecting pin bolt (12), a driving block (13), an ejector rod (14), a spring (15) and a supporting seat (16), the camshaft to be detected is arranged between the two centers, the surface of the steel ball is in movable contact with the surface of the journal to be detected, the steel ball is high in hardness, difficult to wear and long in service life, the detection precision of a product is ensured, and the detection precision requirement of the product is ensured, the problems of complexity and overlarge measurement deviation of the traditional process are solved, the detection efficiency and accuracy are improved, the labor cost of an enterprise is greatly reduced, the operation is convenient, the method improves the efficiency by multiple times, and the method is easier to accept and master by a novice.)

1. A multi-journal simultaneous bounce detection clamp for a camshaft comprises a detection mechanism and a camshaft tooling mechanism, wherein the detection mechanism comprises a steel ball (1), a detection lever (2), a detection base (4), a floating center (5), a dial indicator (6) and an adjusting screw (7), the camshaft tooling mechanism comprises a bottom plate (3), a tail center supporting block (8), a tail center (9), a head end driving center (10), a shift lever (11), a connecting pin bolt (12), a driving block (13), an ejector rod (14), a spring (15) and a supporting seat (16), the bottom plate (3) is made of a rectangular plate, the tail of the bottom plate (3) is provided with the tail center supporting block (8), the middle part of the tail center supporting block (8) is provided with a through hole, the tail center (9) is fixed in the middle through hole of the tail center supporting block (8), the head of the bottom plate (3) is provided with the supporting seat (16), the middle of a supporting seat (16) is provided with a through hole, the center height of the through hole is consistent with the height of the through hole of a supporting block (8) of the tail center, a head end driving center (10) is fixedly arranged in the through hole in the middle of the supporting seat (16), the device is characterized in that a clamping groove is arranged at the joint of the head end driving center (10) and a driving block (13), a spring (15) is arranged on the upper end face of the clamping groove, the spring (15) is fixedly arranged in a shifting rod (11), the shifting rod (11) is combined with the driving block (13) through a connecting pin bolt (12), 1-5 detection bases (4) are arranged on a bottom plate (3) between the supporting block (8) of the tail center and the supporting seat (16), a floating center (5) is arranged on the detection bases (4), the floating center (5) is connected with a detection lever (2) through a pin bolt, a steel ball (1) is arranged at one end of the detection lever (2), the other end of the detection lever (2) is connected with a dial indicator (6), the dial indicator is adjusted by an adjusting screw (7).

2. The clamp for detecting simultaneous run-out of multiple journals of a camshaft as claimed in claim 1, wherein the same number of detection bases (4) is used according to the number and positions of the journals of the camshaft to be detected, each detection base position corresponding to the position of the journal on the camshaft.

3. The clamp for detecting simultaneous jump of multiple journals of a camshaft according to claim 1, wherein the journal to be detected of the camshaft is horizontally placed at one end of the detection lever, the shifting lever (11) is released, the shifting lever (11) is reset under the action of spring elasticity, the driving center (10) at the head end extends out, and the detected camshaft is propped tightly.

Technical Field

The invention relates to a fixture for detecting simultaneous run-out of multiple journals of a camshaft, which can detect the simultaneous run-out of the excircle of multiple journals on the camshaft.

Background

Traditional camshaft journal beats and detects frock, it is top to need manual tightening locking, beat and detect single journal, if need detect adjacent other journals and beat, need manual promotion to detect the percentage table to the journal position that will detect, then adjust the percentage table reading and detect it again, there are a plurality of journals on general camshaft, the detection operation step of this method is loaded down with trivial details, and the detection error of accumulation brings very big influence for the measuring result, the detection means who wastes time and energy can not adapt to the requirement that present batch product detected.

Disclosure of Invention

The invention aims to provide a clamp for detecting simultaneous jumping of multiple journals of a camshaft, overcomes the defects of the prior art, detects the multiple journals on the camshaft at one time, and solves the problems of complex operation steps and unstable product measurement results of the conventional detection.

In order to achieve the purpose, the invention provides a multi-journal simultaneous runout detection clamp for a camshaft, which consists of a detection mechanism and a camshaft tooling mechanism, wherein the detection mechanism consists of a steel ball, a detection lever, a detection base, a floating center, a dial indicator and an adjusting screw, the camshaft tooling mechanism consists of a bottom plate, a tail center supporting block, a tail center, a head end driving center, a shifting lever, a connecting pin bolt, a driving block, a push rod, a spring and a supporting seat, the bottom plate is made of rectangular plates, the tail of the bottom plate is provided with the tail center supporting block, the middle part of the tail center supporting block is provided with a through hole, the tail center is fixed in the middle through hole of the tail center supporting block, the head end driving center is fixedly arranged in the middle through hole of the supporting seat, the connecting part of the head end driving center and the driving block is provided with a clamping groove, the upper end face of the clamping groove is provided with a spring, the spring is fixedly arranged in a shifting rod, the shifting rod and the driving block are combined through a connecting pin bolt, 1-5 detection bases are arranged on a bottom plate between the tail end center supporting block and the supporting seat, a floating center is arranged on the detection bases and is connected with a detection lever through a pin bolt, the other end of the detection lever is connected with a dial indicator, and the dial indicator is adjusted through an adjusting screw.

Compared with the prior art, the camshaft multi-journal simultaneous run-out detection clamp has the following excellent effects.

The invention relates to a multi-journal simultaneous run-out detection clamp for a camshaft, which adopts an integrated assembly structure to detect the run-out of a camshaft journal, adopts the same number of detection bases according to the number and the position of the journal on the camshaft, the position of each detection base corresponds to the position of the journal on the camshaft, the camshaft journal is arranged at one end of a detection lever, a head end driving center and a tail end center are on the same straight line, the camshaft to be detected is arranged between the two centers, a steel ball is arranged at one end of the detection lever, the auxiliary support of the steel ball also enables the center of the end surface of the camshaft to be coaxial with the center, the surface of the steel ball is in movable contact with the surface of the detected journal, the hardness of the steel ball is high, the steel ball is not easy to wear, the service life is long, the detection precision of a product is ensured, the head end driving center adopts the lever principle, a deflector rod presses downwards to enable a spring to be compressed, and the camshaft is arranged in the clamp, the simple operation is convenient, under the spring force effect, the driving lever resets, the head end drive is top to make camshaft both ends centre bore top tight, guarantee that the camshaft location is accurate, make the detection benchmark unified, ensured the detection precision requirement of product, solved loaded down with trivial details and the too big problem of measurement deviation of traditional handicraft, improved the efficiency and the accurate rate of detection, reduced the cost of labor for the enterprise by a wide margin, convenient operation, this method has improved the multiplexity in efficiency, also accept more easily and master new hand.

Drawings

FIG. 1 is an overall schematic view of a camshaft multi-journal simultaneous run-out detection fixture according to the present invention.

FIG. 2 is a schematic view of the detecting mechanism of the present invention.

Wherein: 1. the device comprises a steel ball, a detection lever, a bottom plate, a detection base, a floating center, a dial indicator, an adjusting screw, a tail center supporting block, a tail center, a head end driving center, a driving rod, a connecting pin bolt, a driving block, a top rod, a spring and a supporting seat, wherein the steel ball is 2, the detection lever is 3, the bottom plate is 4, the detection base is 5, the head end driving center is 6, the dial indicator is 7, the adjusting screw is 8, the tail center supporting block is 9, the tail center is 10, the head end driving center is 11, the driving rod is 12, the connecting pin bolt is 13, the driving block is 14, the top rod is 15, the spring is 16 and the supporting seat.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings.

The multi-journal simultaneous bounce detection clamp for the camshaft shown in figure 1 comprises a detection mechanism and a camshaft tooling mechanism, wherein the detection mechanism comprises a steel ball 1, a detection lever 2, a detection base 4, a floating center 5, a dial indicator 6 and an adjusting screw 7, the camshaft tooling mechanism comprises a bottom plate 3, a tail center supporting block 8, a tail center 9, a head end driving center 10, a shift lever 11, a connecting pin 12, a driving block 13, a push rod 14, a spring 15 and a supporting seat 16, the bottom plate 3 is made of a rectangular plate, the tail part of the bottom plate 3 is provided with the tail center supporting block 8, the middle part of the tail center supporting block 8 is provided with a through hole, the tail center 9 is fixed in the middle through hole of the tail center supporting block 8, the head part of the bottom plate 3 is provided with the supporting seat 16, the middle part of the supporting seat 16 is provided with a through hole, and the center height of the through hole is consistent with the height of the through hole of the tail center supporting block 8, the head end driving center 10 is fixedly arranged in a through hole in the middle of the supporting seat 16, a clamping groove is formed in the joint of the head end driving center 10 and the driving block 13, a spring 15 is installed on the upper end face of the clamping groove, the spring 15 is fixedly arranged in the shifting rod 11, the shifting rod 11 and the driving block 13 are combined through a connecting pin 12, 1-5 detection bases 4 are arranged on the bottom plate 3 between the tail end center supporting block 8 and the supporting seat 16, a floating center 5 is arranged on the detection bases 4, the floating center 5 is connected with the detection lever 2 through a pin, the steel ball 1 is arranged at one end of the detection lever 2, the other end of the detection lever 2 is connected with a dial indicator 6, and the dial indicator is adjusted through an adjusting screw 7.

According to the quantity and the position of the shaft necks of the camshaft, the same quantity of detection bases 4 are adopted, the position of each detection base corresponds to the position of the shaft neck on the camshaft, a center hole at one end of the camshaft is butted with a tail top point 9, a shifting lever 11 is pressed downwards, a push rod 14 pushes a driving block 13 backwards, a spring 15 is pressed tightly, a head end driving top point 10 is in a contraction state, the shaft neck to be detected of the camshaft is horizontally placed at one end of a detection lever, the shifting lever 11 is loosened, the shifting lever 11 is reset under the action of the elastic force of the spring, the head end driving top point 10 extends out, the detected camshaft is pushed tightly, a steel ball 1 of the detection lever is checked to confirm to be in contact with the detected shaft neck of the camshaft, an adjusting screw 7 is loosened, a dial indicator 6 is pushed slightly to be adjusted, then the adjusting screw 7 is screwed, and the reading of each shaft neck to be detected to the corresponding detection dial indicator 6 is adjusted to be a uniform numerical value, and manually and lightly rotating the camshaft for one circle, displaying detection data by each dial indicator, and subtracting the minimum value from the maximum value of the display data to obtain the jumping data.