CN210180370U - Crankshaft center hole testing tool - Google Patents

Abstract

The utility model belongs to the technical field of machining, specifically disclose a machine shaft mesopore gauge, including the detection mechanism of horizontal placement and the platform of placing the machine shaft, detection mechanism is equipped with connecting rod and detection part from left to right, be connected with the actuating mechanism of control connecting rod horizontal reciprocating motion on the connecting rod, the detection part includes circular cone section and cylinder section, the major diameter end of circular cone section is connected with the connecting rod is coaxial, the central point of the minor diameter end of circular cone section is equipped with the draw-in groove, the outer wall of cylinder section can laminate with the draw-in groove; the placing table is located on the front side of the detecting mechanism, a feeding cavity is arranged above the placing table, the bottom of the feeding cavity is open, the distance from the bottom of the feeding cavity to the placing table is equal to the outer diameter of a crankshaft, and the crankshaft on the placing table is guaranteed to be coaxial with the detecting mechanism. By adopting the technical scheme, the detection of the hole in the crankshaft is realized through the detection mechanism, the detection speed is improved, and the labor consumption is reduced.

Description

Crankshaft center hole testing tool

Technical Field

The utility model belongs to the technical field of machining, especially, relate to an utensil is examined to arbor mesopore.

Background

In the processing process of the shaft parts, the center holes are used as a positioning reference and a checking reference for processing the shaft parts, and if the depths of the center holes are different, the final processing quality of the shaft parts is greatly influenced. In order to ensure the size and accuracy of the workpiece with the coaxial hole system, after the workpiece is machined, the coaxiality of the coaxial hole system on the workpiece is required to be detected on a production line.

Referring to fig. 1, a shaft 1 to be measured in actual production has two parts to be inspected by a quality inspection department, one is to inspect the inner diameters of a cylindrical hole 2 and a truncated cone-shaped hole 3, and the other is to inspect the coaxiality of the cylindrical hole 2 and the truncated cone-shaped hole 3. In the prior art, a coaxiality detection rod is often adopted to detect a coaxial hole system of a workpiece on a production line, the coaxiality detection rod is aligned with the workpiece through manual operation, and then the coaxiality detection rod is inserted into a central hole of the workpiece, so that the detection speed is low, the detection is not suitable for checking large-batch parts, and a large amount of labor is consumed.

Disclosure of Invention

An object of the utility model is to provide an utensil is examined to machine shaft mesopore realizes improving detection rate to the mesoporous detection of machine shaft.

In order to achieve the above object, the basic scheme of the utility model is: a machine shaft center hole detection tool comprises a horizontally placed detection mechanism, a driving mechanism and a placing table, wherein the driving mechanism drives the detection mechanism to horizontally reciprocate, the placing table is horizontally arranged on the front side of the detection mechanism, the detection mechanism comprises a horizontally arranged connecting rod, the rear end of the connecting rod is connected with the driving mechanism, the front end of the connecting rod is coaxially connected with a detection part, the detection part comprises a cone table section and a cylinder section, the large-diameter end of the cone table section is coaxially connected with the connecting rod, a clamping groove is formed in the center of the small-diameter end of the cone table section, and the outer wall of the cylinder section can be attached to the clamping groove; the upper portion interval of placing the platform is provided with the feeding chamber, and feeding chamber bottom opening, and the bottom in feeding chamber equals with the external diameter of spindle to the distance of placing the platform, and feeding chamber and place and constitute a detection station between the platform, detection mechanism just right with the detection station, the both sides limit of detection station is equipped with stops the rolling dog of spindle, the dog top is connected with the bottom edge in feeding chamber.

The working principle and the beneficial effects of the basic scheme are as follows: at first actuating mechanism can order about the connecting rod horizontal reciprocating motion, and the connecting rod is connected with the test section, so the connecting rod horizontal motion drives the same horizontal motion of test section, makes in the test section inserts the spindle automatically, detects whether the centre bore of spindle accords with the processing requirement, and then the test mechanism automatic re-setting is convenient for carry out the detection of next spindle. And an operator does not need to manually align the detection mechanism with the crankshaft, so that the labor consumption is reduced, the detection speed is accelerated, after the detection is finished, the operator only needs to draw the crankshaft out from the feeding cavity and the placing plate, other crankshafts in the feeding cavity can automatically fall under the action of self gravity to finish feeding, the crankshaft does not need to be manually placed, and the position error caused by manual operation is avoided.

The detection part is provided with the frustum cone section and the cylinder section, and the two adopts the block to connect, and simple structure is convenient for carry out the dismouting to the detection part, does benefit to the maintenance, is simultaneously with the detection part split for both ends, has reduced the length of detection part, is convenient for place and accomodate. According to the needs of using, set up length, width, the height in pan feeding chamber for a plurality of bent axle can be placed to the pan feeding intracavity, and the outer diameter length of bent axle is equaled to the interval of feed chamber bottom and placing between the platform in addition, falls to the number of placing the bench with this restriction bent axle, is convenient for and detection mechanism cooperation, when examining the bent axle of placing the bench, avoids other bent axles above this bent axle to influence the stability that this bent axle was put. Simultaneously will place the spindle of placing on the platform and take the back away, the spindle of pan feeding intracavity can fall voluntarily, detects next time, need not the manual spindle of placing of operator, reduces the manpower and consumes for detect the process. The dog can prevent to place the pressure effect that the bench machine axle received the top spindle and the mistake rolls, makes the spindle place more stably, guarantees that the spindle does not take place the skew with the axial lead of detection portion, improves and detects the precision.

Further, actuating mechanism includes runner and first pole group, be connected with drive runner pivoted power supply on the runner, first pole group includes two articulated pull rods, the one end of first pole group and the front side fixed connection of runner, and the other end is articulated with the connecting rod.

Therefore, the rotating wheel, the first rod group and the connecting rod form a crank-slider mechanism, horizontal reciprocating movement of the connecting rod is achieved, and the structure is simple. And the crank slider mechanism changes the rotation into linear motion, the motion is stable, the running direction of the connecting rod is ensured not to deviate, and the coaxial state of the detection part and the crankshaft is kept stable. Meanwhile, due to the quick-return characteristic of the slider-crank mechanism, the detection mechanism can quickly push the finished retraction action, so that the time is saved, and the efficiency is improved. Adopt two pull rods to increase the distance of operation, this scheme constitutes the crank jointly with a pull rod and runner fixed connection, compares with setting up the great runner of diameter and articulated a pull rod again, and the pull rod is made used material still less, reduces the resource and consumes.

Further, be equipped with the second pole group the same with first pole group structure on the runner, second pole group one end and the rear side fixed connection of runner, the other end articulates there is the sloping block, and the sloping block is located places platform one side, and the inclined plane of sloping block is parallel with the axle body of spindle, and the baffle that is close to sloping block one side is articulated with pan feeding chamber bottom, and is equipped with the torsional spring between this dog and pan feeding chamber.

Therefore, the connecting positions of the second rod group, the first rod group and the rotating wheel are opposite, when the rotating wheel rotates, the moving directions of the first rod group and the second rod group are opposite, namely when the first rod group drives the detection mechanism to move towards one side far away from the crankshaft, the second rod group drives the inclined block to move towards the crankshaft. If the qualified shaft is detected, an operator pushes one side where the axial inclined block is located, the baffle on the side rotates, the shaft moves to the outer side of the baffle smoothly, the inclined block is located below the front side of the placing table, the shaft falls onto the inclined plane of the inclined block, the shaft rolls off from the inclined plane, the inclined plane plays a role in buffering the shaft, and the shaft is prevented from being collided and damaged.

Further, one side of the placing table, which is close to the inclined block, is an inclined surface which is inclined downwards and outwards.

Therefore, the inclined surface can enable the crankshaft to roll downwards under the action of self gravity, the speed of the crankshaft rolling onto the inclined surface is increased, and the efficiency is improved.

Furthermore, the inclined plane of the inclined block close to the top is horn-shaped.

Therefore, the bearing surface between the inclined block and the crankshaft is enlarged by the horn-shaped inclined surface above the inclined block, the probability that the crankshaft falls on the inclined surface when falling is increased, and the crankshaft is prevented from falling off the inclined surface to cause damage.

Furthermore, limiting plates are arranged on two sides of the inclined plane of the inclined block.

Like this, the limiting plate can carry on spacingly to the spindle, prevents that the spindle from landing on the inclined plane, and the spindle landing in proper order arranges neatly simultaneously, is convenient for follow-up packing or transportation.

Furthermore, the two sides of the detection mechanism parallel to the running direction are provided with sliding grooves, and the connecting rod is provided with a sliding rod in sliding fit with the sliding grooves.

Like this, spout and slide bar sliding fit, the slide bar keeps the horizontal slip throughout to this realization is to the horizontal positioning of connecting rod.

Further, place the bench and be equipped with the skid resistant course, the skid resistant course is located the feeding chamber under.

Like this, the skid resistant course can restrict the bent axle and slide by mistake in the level under the unstressed state, and when the bent axle size is unqualified, detection mechanism will promote the bent axle horizontal migration to be convenient for the operator to discern product quality.

Drawings

FIG. 1 is a cross-sectional view of a crankshaft;

FIG. 2 is a front view of an embodiment of a crankshaft center hole gauge of the present invention;

FIG. 3 is a top view of an embodiment of a crankshaft center hole gauge of the present invention;

fig. 4 is an exploded view of the detection mechanism of the crankshaft center hole inspection device of the present invention.

Reference numerals in the drawings of the specification include: the device comprises a crankshaft 1 to be tested, a cylindrical hole 2, a truncated cone-shaped hole 3, a connecting rod 4, a rotating wheel 5, a first rod group 6, a second rod group 7, a truncated cone section 8, a cylindrical section 9, a clamping groove 10, a placing table 11, a feeding cavity 12, an anti-skid layer 13, an inclined block 14, a sliding groove 15, a sliding rod 16, a limiting plate 17, an inclined surface 18 and a stop block 19.

Detailed Description

The invention is explained in more detail below with reference to specific embodiments and the attached drawing:

examples are shown in FIGS. 2-4: the utility model provides an utensil is examined to axle mesopore, includes that detection mechanism, drive detection mechanism horizontal reciprocating motion's that frame, level were placed actuating mechanism and level set up the platform 11 of placing in the detection mechanism front side, detection mechanism includes connecting rod 4 that the level set up, and 4 rear ends of connecting rod are connected with actuating mechanism, and the front end coaxial coupling of connecting rod 4 has the detection portion, and the detection portion includes frustum section 8 and cylinder section 9, the major diameter end and the connecting rod 4 coaxial coupling of frustum section 8, the central point of the minor diameter end of frustum section 8 puts and is equipped with draw-in groove 10, and the outer wall of cylinder section 9 can laminate with draw-in groove 10.

Place platform 11 and frame welding, place the position of platform 11 and be fixed setting, place the upper portion interval of platform 11 and be provided with into material chamber 12, the lateral wall and the frame welding of pan feeding chamber 12, vertical range has a plurality of shafts 1 that await measuring in pan feeding chamber 12, and the inside length of pan feeding chamber 12 equals with the length of the shaft 1 that awaits measuring, and the inside width of pan feeding chamber 12 equals with the external diameter of the shaft 1 that awaits measuring. The top of the feeding cavity 12 is provided with a feeding port for placing the shaft 1 to be tested into the feeding cavity 12, the bottom of the feeding cavity 12 is open, and the distance from the bottom of the feeding cavity 12 to the placing table 11 is equal to the outer diameter of the shaft 1 to be tested. A detection station is formed between the bottom of the feeding cavity 12 and the placing table 11, the detection mechanism is opposite to the detection station, two side edges of the detection station are provided with a stop block 19 for stopping a machine shaft from rolling, and the top of the stop block 19 is connected with the bottom edge of the feeding cavity 12.

At first actuating mechanism can order about connecting rod 4 horizontal reciprocating motion, and connecting rod 4 is connected with the test section, so connecting rod 4 horizontal motion drives the same horizontal motion of test section, makes in the test section automatic insertion spindle, detects whether the centre bore of spindle accords with the processing requirement, and then the test mechanism automatic re-setting is convenient for carry out the detection of next spindle 1 that awaits measuring again. And the operator need not to aim at detection mechanism and await measuring bent axle 1 manually, reduces the manpower and expends, accelerates detection speed, and the operator only needs to take the bent axle out from between pan feeding chamber 12 and the place plate after detecting, and other await measuring bent axles 1 in pan feeding chamber 12 can be under self action of gravity, and the automatic whereabouts is accomplished to the completion pan feeding, need not the manual work and place await measuring bent axle 1, avoid the manual operation and cause position error.

The detection portion is equipped with circular cone section 8 and cylinder section 9, and the two adopts the block to connect, and simple structure is convenient for carry out the dismouting to the detection portion, does benefit to the maintenance, is the both ends with the detection portion split simultaneously, has reduced the length of detection portion, is convenient for place and accomodate. According to the needs of using, set up the length in pan feeding chamber 12, wide, height, make can place a plurality of shaft 1 that awaits measuring in the pan feeding chamber 12, in addition the pan feeding chamber 12 bottom with place the external diameter length that the interval between 11 equals shaft 1 that awaits measuring, with this restriction shaft whereabouts to the number of placing on 11, be convenient for and detection mechanism cooperation, when examining shaft 1 to placing on placing 11, avoid other shaft 1 that awaits measuring of this shaft 1 top that awaits measuring to influence the stability that this shaft 1 that awaits measuring put. Simultaneously will place the back of taking away the await measuring spindle 1 on placing platform 11, the await measuring spindle 1 in pan feeding chamber 12 can fall automatically, detects next time, need not the manual await measuring spindle 1 of placing of operator, reduces the manpower and expends for the detection process. The stop block 19 can prevent the crankshaft 1 to be tested on the placing table 11 from rolling by mistake under the pressure action of the crankshaft in the feeding cavity 12, so that the crankshaft 1 to be tested is placed more stably, the axial lead of the crankshaft 1 to be tested and the axial lead of the detection part are not deviated, and the detection precision is improved.

Further, actuating mechanism includes runner 5 and first pole group 6, runner 5 rotates with the frame to be connected, is connected with drive runner 5 pivoted power supply on the runner 5, and the power supply adopts the motor in this embodiment, first pole group 6 includes two articulated pull rods, and the one end of first pole group 6 welds with the front side of runner 5, and the other end is articulated with connecting rod 4.

Thus, the runner 5, the first rod group 6 and the connecting rod 4 form a slider-crank mechanism, so that the connecting rod 4 can horizontally reciprocate, and the structure is simple. And the crank slider mechanism changes the rotation into linear motion, the motion is stable, the running direction of the connecting rod 4 is ensured not to deviate, and the coaxial state of the detection part and the crankshaft is kept stable. Meanwhile, due to the quick-return characteristic of the slider-crank mechanism, the detection mechanism can quickly push the finished retraction action, so that the time is saved, and the efficiency is improved. Adopt two pull rods to increase the distance of operation, this scheme constitutes the crank with a pull rod and runner 5 fixed connection jointly, compares with setting up the great runner 5 of diameter and articulated a pull rod again, and the pull rod is made used material still less, reduces the resource and consumes.

Further, be equipped with the second pole group 7 the same with first pole group 6 structure on runner 5, second pole group 7 one end and runner 5's rear side fixed connection, the other end articulates there is sloping block 14, sloping block 14 is located the rear of placing platform 11, and sloping block 14 places the below of placing platform 11, sloping block 14 and frame horizontal sliding connection, the inclined plane of sloping block 14 is parallel with the axle body of spindle, the baffle that is close to sloping block 14 one side is articulated with pan feeding chamber 12 bottom, and this dog 19 is equipped with the torsional spring with pan feeding chamber 12 within a definite time.

Therefore, the connection positions of the second rod group 7, the first rod group 6 and the rotating wheel 5 are opposite, so that when the rotating wheel 5 rotates, the moving directions of the first rod group 6 and the second rod group 7 are opposite, that is, when the first rod group 6 drives the detection mechanism to move towards the side far away from the crankshaft 1 to be detected, the second rod group 7 drives the inclined block 14 to move towards the crankshaft. If the qualified shaft is detected, an operator pushes the shaft 1 to be detected to one side where the inclined block 14 is located, the baffle on the side rotates, the shaft 1 to be detected smoothly moves to the outer side of the baffle, the inclined block 14 is located below the front side of the placing table 11, the shaft 1 to be detected falls onto the inclined plane of the inclined block 14, the shaft 1 to be detected rolls off from the inclined plane, the inclined plane plays a buffering role in buffering the shaft 1 to be detected, and the shaft 1 to be detected is prevented from being collided and damaged.

Further, the side of the placing table 11 close to the inclined block 14 is an inclined surface 18 which is inclined downward and outward.

Therefore, the inclined surface 18 can enable the shaft 1 to be tested to roll downwards under the action of self gravity, the speed of the shaft 1 to be tested rolling down to the inclined surface is increased, and the efficiency of the shaft collecting is improved.

Further, the inclined plane of the inclined block 14 near the top is trumpet-shaped.

Therefore, the bearing surface between the inclined block 14 and the shaft 1 to be tested is increased by the horn-shaped inclined surface above the inclined block 14, the probability that the shaft 1 to be tested falls on the inclined surface when falling is increased, and the shaft 1 to be tested is prevented from falling outside the inclined surface to cause damage.

Further, limiting plates 17 are arranged on two sides of the inclined plane of the inclined block 14.

Like this, limiting plate 17 can carry on spacingly to the spindle, prevents that the spindle 1 that awaits measuring from the inclined plane landing, and the spindle 1 that awaits measuring can follow the inclined plane landing of sloping block 14 in proper order simultaneously, arranges neatly, is convenient for follow-up packing or transportation.

Furthermore, two sides of the detection mechanism parallel to the running direction are provided with transverse sliding grooves 15, and the connecting rod 4 is provided with a sliding rod 16 in sliding fit with the sliding grooves 15.

In this way, the sliding groove 15 is in sliding fit with the sliding rod 16, and the sliding rod 16 always keeps sliding horizontally, so that the connecting rod 4 is horizontally positioned.

Further, place and be equipped with skid resistant course 13 on the platform 11, skid resistant course 13 is located the feeding chamber 12 under, guarantees to place the awaiting measuring spindle 1 on skid resistant course 13 and detection mechanism coaxial line.

Therefore, the anti-slip layer 13 can limit the horizontal error slip of the shaft 1 to be tested in an unstressed state, and when the shaft 1 to be tested is unqualified in size, the detection mechanism pushes the shaft 1 to be tested to move horizontally, so that an operator can conveniently identify the product quality.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (8)

1. The utility model provides a machine shaft mesopore examines utensil which characterized in that: the detection device comprises a detection mechanism, a driving mechanism and a placing table, wherein the detection mechanism is horizontally placed, the driving mechanism drives the detection mechanism to horizontally reciprocate, the placing table is horizontally arranged on the front side of the detection mechanism, the detection mechanism comprises a connecting rod which is horizontally arranged, the rear end of the connecting rod is connected with the driving mechanism, the front end of the connecting rod is coaxially connected with a detection part, the detection part comprises a frustum cone section and a cylinder section, the large-diameter end of the frustum cone section is coaxially connected with the connecting rod, a clamping groove is formed in the center of the small-diameter end of the frustum cone section, and the outer wall of the cylinder section; the upper portion interval of placing the platform is provided with the feeding chamber, and feeding chamber bottom opening, and the bottom in feeding chamber equals with the external diameter of spindle to the distance of placing the platform, and feeding chamber and place and constitute a detection station between the platform, detection mechanism just right with the detection station, the both sides limit of detection station is equipped with stops the rolling dog of spindle, the dog top is connected with the bottom edge in feeding chamber.

2. The crankshaft center hole gauge of claim 1, wherein: the driving mechanism comprises a rotating wheel and a first rod group, a power source for driving the rotating wheel to rotate is connected to the rotating wheel, the first rod group comprises two hinged pull rods, one end of the first rod group is fixedly connected with the front side of the rotating wheel, and the other end of the first rod group is hinged to the connecting rod.

3. The crankshaft center hole gauge of claim 2, wherein: the runner is provided with a second rod group which has the same structure as the first rod group, one end of the second rod group is fixedly connected with the rear side of the runner, the other end of the second rod group is hinged with an oblique block, the oblique block is positioned on one side of the placing table, the inclined plane of the oblique block is parallel to the shaft body of the crankshaft, the baffle close to one side of the oblique block is hinged with the bottom of the feeding cavity, and a torsion spring is arranged between the baffle and the feeding cavity.

4. The crankshaft center hole gauge of claim 3, wherein: one side of the placing table close to the inclined block is an inclined surface which is inclined downwards and outwards.

5. The crankshaft center hole gauge of claim 3, wherein: the inclined plane of the inclined block close to the top is horn-shaped.

6. The crankshaft center hole gauge of claim 3, wherein: and limiting plates are arranged on two sides of the inclined plane of the inclined block.

7. The crankshaft center hole gauge of claim 1, wherein: the front side and the rear side of the detection mechanism are provided with sliding grooves, and the connecting rod is provided with a sliding rod in sliding fit with the sliding grooves.

8. The crankshaft center hole gauge of claim 1, wherein: the placing table is provided with an anti-skid layer, and the anti-skid layer is located right below the feeding cavity.

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