CN219179141U - Hardness detection device for automobile piston machining - Google Patents

Abstract

The utility model discloses a hardness detection device for automobile piston processing, which comprises: the device comprises a base, a rotary platform, a fixing mechanism, a lifting seat and a measuring mechanism; the top level of base and rotationally be provided with rotary platform, rotary platform's upper surface is provided with the fixed establishment who is used for fixed work piece, and rotary platform's top can be provided with the lift seat with going up and down, and the lift seat is provided with the measuring mechanism that carries out hardness detection to inner wall, outer wall and the port of work piece, and measuring mechanism includes: the measuring device comprises a measuring seat, a first measuring needle and a second measuring needle; the top both sides of two measurement seats are provided with first measurement needle respectively horizontally, and the bottom of both is vertical fixed respectively and is provided with the second measurement needle, and the hardness detection device of this car piston processing overcomes the measurement needle's among the prior art position and does not possess regulatory function, only is limited to detecting the tip of piston, and other positions of piston can not detect to can make the testing result have the error, reduce the problem of the precision of testing result.

Description

Hardness detection device for automobile piston machining

Technical Field

The utility model relates to the technical field of automobile piston detection, in particular to a hardness detection device for automobile piston processing.

Background

The hardness detection device for automobile piston processing is an important step for detecting the quality of a piston, and most metal materials can approximately calculate other mechanical properties such as strength, fatigue, creep, abrasion and the like by measuring the hardness because the hardness of metal and other mechanical properties are in corresponding relation, and the existing hardness detection device for automobile piston processing can shift the position of an automobile piston in the operation process, so that the accuracy of hardness detection data of the automobile piston is affected, and the detection efficiency of the automobile piston is reduced.

And (3) searching: chinese patent application number is "CN202221821651.3", discloses a hardness detection device for automobile piston processing, including the sclerometer, the sclerometer includes the base, is provided with the workstation on the base, fixedly connected with slide rail on the base, and sliding connection has the workstation on the slide rail, is provided with the working plate on the workstation, is provided with symmetrical backup pad on the working plate, and the backup pad downside is provided with the slide bar, working plate and workstation fixed connection, the backup pad passes through slide bar and working plate sliding connection, and the symmetry one side of backup pad all is provided with the stopper, stopper and slide bar sliding connection, screw connection has stop bolt on the stopper, and one side adjacent to the backup pad all is provided with the standing groove, is provided with symmetrical fixed disk on the base, is provided with the threaded rod on the fixed disk, is provided with the cylinder on the threaded rod, and the output of cylinder is provided with the spacing dish.

The inventors have found that in practicing the present utility model, the following problems exist in the prior art:

in the use, the position of the measuring needle in the prior art does not have an adjusting function, is only limited to detecting the end part of the piston, and other parts of the piston cannot be detected, so that the detecting position is limited, errors exist in the detecting result, and the accuracy of the detecting result is reduced.

Therefore, the hardness detection device for automobile piston machining, which can measure the hardness of any position of the end part and the side wall of piston parts with different sizes by adjusting the measuring mechanism in the use process, has flexibility in measurement, reduces measurement errors and improves measurement accuracy, is a problem to be solved in the utility model.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to solve the problems that in the prior art, in the using process, the position of a measuring needle in the prior art does not have an adjusting function, is only limited to detecting the end part of a piston, and other parts of the piston cannot be detected, so that the detecting position is limited, the detecting result has errors, and the accuracy of the detecting result is reduced, and therefore, the hardness detecting device for processing the automobile piston has the advantages that the hardness can be measured at any position of the end part and the side wall of a piston part with different sizes through adjusting a measuring mechanism in the using process, the measuring flexibility is realized, the measuring error is reduced, and the measuring accuracy is improved.

In order to achieve the above object, the present utility model provides a hardness testing device for automotive piston machining, comprising: the device comprises a base, a rotary platform, a fixing mechanism, a lifting seat and a measuring mechanism;

the top level of base just rotationally is provided with rotary platform, rotary platform's upper surface is provided with the fixed establishment who is used for fixed work piece, rotary platform's top liftable is provided with the lift seat, just the lift seat is provided with the measuring mechanism that carries out hardness detection to inner wall, outer wall and the port of work piece, measuring mechanism includes: the measuring device comprises a measuring seat, a first measuring needle and a second measuring needle; wherein,,

two measuring needles for measuring the hardness of the side wall of the workpiece are respectively and horizontally arranged on two sides of the top of the measuring seat which move in the same direction or in opposite directions along the horizontal direction, and second measuring needles for measuring the hardness of the end opening of the workpiece are respectively and vertically fixedly arranged at the bottom ends of the two measuring needles.

Preferably, a support is vertically arranged beside the base, a second cylinder is vertically and fixedly arranged in a penetrating manner in the center of the top of the support, a lifting seat with an opening facing to a workpiece is horizontally and fixedly arranged at the free end of a piston rod vertically arranged on the support, and two measuring seats in a hemispherical structure are horizontally and movably arranged in an inner cavity of the lifting seat through a moving mechanism.

Preferably, the moving mechanism includes: the device comprises a movable screw rod, a movable sliding block and a power assembly for driving the movable screw rod to rotate; wherein,,

the movable screw rod composed of two screws with opposite screw thread directions is horizontally and rotatably arranged in the inner cavity of the lifting seat, two movable sliding blocks which are close to or far away from each other are respectively arranged on the two screws in a threaded mode, the bottom ends of the two movable sliding blocks respectively penetrate out of the opening which is matched with the movable sliding blocks and are respectively and fixedly provided with a measuring seat which is a hemisphere, and the center position of the opening is vertically and fixedly provided with a detecting rod for measuring the inner diameter of a workpiece.

Preferably, the top of support is located the both sides of second cylinder are vertical respectively and run through and be provided with guide assembly, every guide assembly all includes: the device comprises a guide sleeve, a guide sliding block, a tensioning spring and a guide rod, wherein the guide sleeve is arranged on the guide sleeve;

every that is vertical setting all slidable is provided with the direction slider in the direction sleeve, and is vertical setting and be in the extension state the one end of tensioning spring is fixed the top of direction sleeve, its other end is fixed to be set up on the direction slider, is vertical setting the one end of guide bar is fixed to be set up on the direction slider, its other end is fixed to be set up on the lifting seat.

Preferably, the fixing mechanism includes: the clamping device comprises an outer clamping plate, a supporting plate, an inner clamping plate, a clamping spring and a fixed sucker; wherein,,

the upper surface symmetry of rotary platform is provided with interval adjustable and is used for the centre gripping work piece and is two outside splint of arc structure, and every the bottom level of outside splint just movable run through and are provided with the backup pad that is used for supporting the work piece, and two the adjacent end of backup pad is all fixed and is provided with the inboard splint that can conflict on the work piece inner wall, and its other end is fixed to be provided with the dog, and is located the dog with every between the outside splint the equal cover of backup pad is provided with clamping spring, clamping spring's both ends are fixed respectively and are set up at the dog with on the outside splint.

Preferably, the fixing mechanism further comprises: fixing a sucker; wherein,,

and a plurality of fixing suckers which can be adsorbed on the inner wall of the workpiece are uniformly and horizontally arranged on one side, facing the inner wall of the workpiece, of each inner side clamping plate.

Preferably, the detection device further comprises a distance adjusting mechanism for adjusting the distance between the two outer clamping plates, and the distance adjusting mechanism comprises: the device comprises a guide rod, a sliding seat, a hinging seat, a connecting rod, a first cylinder and a return spring; wherein,,

the upper horizontal fixing of revolving stage is provided with the guide bar, the epaxial interval of guide bar just is provided with two slides with slidable, and is located the upper surface level of revolving stage is located the guide bar middle part is by one side and is provided with can be close to or keep away from the articulated seat at guide bar middle part, and every the slide all articulates and is provided with the connecting rod, every the other end of connecting rod all articulates and is provided with on the articulated seat, revolving stage's upper surface still horizontal arrangement is used for the drive the first cylinder that articulated seat removed.

Preferably, the upper surface part of the rotating platform is recessed inwards to form a guide chute parallel to the first cylinder, a guide sliding block is slidably arranged in the guide chute, and the top part of the guide sliding block penetrates out of the guide chute and is fixedly arranged on the hinge seat.

Preferably, the upper surface of the base is rotatably provided with a rotating shaft, and the center of the lower surface of the rotating platform which is horizontally arranged is fixedly arranged on the rotating shaft.

Preferably, the detecting device further includes a rotation mechanism for driving the rotation shaft to rotate, the rotation mechanism includes: the rotary gear, the rotary rack plate and the third cylinder; wherein,,

the rotating shaft is horizontally and fixedly provided with a rotating gear, the rotating gear is arranged inside the base, the rotating rack plate meshed with the rotating gear is movably arranged inside the base, the third cylinder is horizontally and fixedly arranged at one end of the rotating rack plate, the free end of a piston rod of the third cylinder is fixedly arranged at the end part of the rotating rack plate, a guide plate is horizontally and fixedly arranged at the bottom of the base, the lower surface part of the rotating rack plate is inwards recessed to form an assembly sliding groove matched with the guide plate, and the rotating rack plate is slidably assembled on the guide plate through the assembly sliding groove.

According to the technical scheme, the hardness detection device for automobile piston machining provided by the utility model has the beneficial effects that: according to the method, a to-be-measured piston piece is horizontally fixed on the upper surface of a rotary platform through a fixing mechanism, then, the distance between two measuring seats is properly adjusted according to the diameter of the piston piece, the needle ends of two second measuring needles on the bottom ends of the two measuring seats are located on a piston piece port, after the adjustment is finished, the measuring mechanism is driven to descend along the vertical direction until the needle ends of the second measuring needles are abutted on the piston piece port so as to measure the hardness of the piston piece port, after the measurement is finished, the measuring mechanism is lifted along the vertical direction until the needle ends of the second measuring needles leave the piston piece port, then, the rotary platform is rotated to drive the piston piece to rotate together, so that the original measured positions of the piston piece port are changed, then, the measuring mechanism is driven to descend along the vertical direction until the needle ends of the second measuring needles are abutted on different positions of the piston piece port again, hardness measurement is carried out on other positions of the piston piece port, and the operation is repeated, so that the measurement of the different positions of the piston piece port can be continuously carried out, and multiple groups of measured values can be obtained, and error measurement can be reduced.

In conclusion, the hardness of the end part and the optional position of the side wall of the piston piece with different sizes can be measured by adjusting the measuring mechanism, so that the measuring device has flexibility, reduces measuring errors and improves measuring accuracy.

Additional features and advantages of the utility model will be set forth in the detailed description which follows; and none of the utility models are related to the same or are capable of being practiced in the prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view showing a structure of a hardness testing apparatus for an automobile piston machining according to a preferred embodiment of the present utility model

FIG. 2 is a front view showing the structure of a hardness testing device for automotive piston machining according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view showing the internal structure of a hardness testing device for automobile piston machining at a certain instant in the measurement process according to a preferred embodiment of the present utility model;

fig. 4 is an assembly schematic diagram of a fixing mechanism and a distance adjusting mechanism of a hardness testing device for automobile piston processing provided in a preferred embodiment of the present utility model.

Description of the reference numerals

1. A base; 2. rotating the platform; 3. a fixing mechanism; 301. an outer clamping plate; 302. a support plate; 303. an inner clamping plate; 304. a clamping spring; 305. fixing a sucker; 4. a distance adjusting mechanism; 401. a guide rod; 402. a slide; 403. a hinge base; 404. a connecting rod; 405. a first cylinder; 406. a return spring; 5. a lifting seat; 6. a measuring mechanism; 601. a measuring seat; 602. a first measuring needle; 603. a second measuring needle; 7. a detection rod; 8. a moving mechanism; 801. moving the screw rod; 802. moving the slide block; 803. a power assembly; 9. a bracket; a second cylinder 10; 11. a guide assembly; 1201. rotating the gear; 1202. rotating the rack plate; 1203. a third cylinder; 13. a guide plate; 14. a rotating shaft; 15. and a guiding chute.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 4, the hardness detection device for automobile piston processing provided by the utility model comprises: the device comprises a base 1, a rotary platform 2, a fixing mechanism 3, a lifting seat 5 and a measuring mechanism 6;

the upper part of the base 1 is horizontally and rotatably provided with a rotary platform 2, the upper surface of the rotary platform 2 is provided with a fixing mechanism 3 for fixing a workpiece, the upper part of the rotary platform 2 is liftably provided with a lifting seat 5, the lifting seat 5 is provided with a measuring mechanism 6 for detecting hardness of the inner wall, the outer wall and the port of the workpiece, and the measuring mechanism 6 comprises: a measuring socket 601, a first measuring needle 602 and a second measuring needle 603; wherein,,

two measuring pins 602 for measuring the hardness of the side wall of the workpiece are respectively and horizontally arranged on two sides of the top of the two measuring seats 601 which move in the same direction or in opposite directions along the horizontal direction, and second measuring pins 603 for measuring the hardness of the end opening of the workpiece are respectively and vertically fixed on the bottom ends of the two measuring pins.

In the above-mentioned scheme, when in use, firstly, according to the to-be-measured piston member, the to-be-measured piston member is horizontally fixed on the upper surface of the rotary platform 2 through the fixing mechanism 3, then, according to the diameter of the piston member, the distance between the two measurement seats 601 is properly adjusted, so that the needle ends of the two second measurement needles 603 are located on the piston member ports, after the adjustment is completed, the measurement mechanism 6 is driven to descend vertically until the needle ends of the second measurement needles 603 are abutted against the piston member ports, so as to measure the hardness of the piston member ports, after the measurement is completed, the measurement mechanism 6 is lifted vertically until the needle ends of the second measurement needles 603 are separated from the piston member ports, then, the rotary platform 2 is rotated to drive the piston member to rotate together, so that the positions of the piston member ports are changed, then, the measurement mechanism 6 is driven to descend vertically until the needle ends of the second measurement needles are abutted against the piston member ports again at different positions, so as to measure the hardness of the piston member ports repeatedly, and further error measurement is obtained at the positions of the piston member ports.

Secondly, the distance between the two measuring seats 601 is adjusted again, so that the needle ends of two adjacent groups of first measuring needles 602 face the outer side wall of the piston member, then the measuring mechanism 6 descends to a proper position along the vertical direction, the two measuring seats 601 are driven to move oppositely, so that the needle ends of the two groups of first measuring needles 602 are abutted against the outer surface of the piston member to measure the hardness of the outer wall of the piston member, after the measurement is finished, the two measuring seats 601 are driven to move reversely, so that the needle ends of the two groups of first measuring needles 602 leave the outer surface of the piston member, then the rotating platform 2 is rotated to drive the piston member to rotate together, and the two measuring seats 601 are driven to move oppositely, so that the needle ends of the two groups of first measuring needles 602 are abutted against the outer surface of the piston member to measure the hardness of the outer wall of the piston member, after the measurement is finished, the two groups of the two measuring seats 601 are driven to move reversely, so that the needle ends of the two groups of first measuring needles 602 leave the outer surface of the piston member to measure the outer surface of the piston member, and the error is reduced, and the error is repeated, and the error is not obtained for the measurement of the outer surface of the piston member.

In addition, the distance between the two measurement seats 601 is adjusted again, so that the needle ends of the two other groups of the two first measurement needles 602 face the inner side wall of the piston member, then the two measurement seats 601 are driven to move reversely to enable the first measurement needles 602 of the two measurement seats to respectively abut against the inner wall of the piston member so as to measure the hardness of the inner wall of the piston member, after the measurement is finished, the two measurement seats 601 are driven to move oppositely, so that the needle ends of the two first measurement needles 602 leave the inner wall of the piston member, then the rotating platform 2 is rotated to drive the piston member to rotate together, the two measurement seats 601 are driven to move reversely so that the needle ends of the two groups of the two first measurement needles 602 abut against the inner wall of the piston member, after the measurement is finished, the two measurement seats 601 are driven to move oppositely, so that the needle ends of the two first measurement needles 602 leave the inner wall of the piston member, and the operation is repeated, so that the measurement error of the plurality of groups of measurement needles is obtained at different positions of the inner wall of the piston member.

In summary, the hardness of the end part and the side wall of the piston member with different sizes can be measured at any position by adjusting the measuring mechanism 6, so that the measuring flexibility is realized, the measuring error is reduced, and the measuring accuracy is improved.

In a preferred embodiment of the present utility model, a bracket 9 is vertically disposed beside the base 1, a second cylinder 10 is vertically and fixedly disposed in a penetrating manner in the center of the top, a lifting seat 5 with an opening facing the workpiece is horizontally and fixedly disposed at the free end of a piston rod vertically disposed, and two measuring seats 601 with hemispherical structures are horizontally and movably disposed in the inner cavity of the lifting seat 5 through a moving mechanism 8.

In the above scheme, the second cylinder 10 drives the lifting seat 5 to lift in the vertical direction, so as to drive the measuring mechanism 6 to lift in the vertical direction.

In addition, the second cylinder 10 is a common general knowledge, and therefore, the specific structure and the use principle thereof will not be described herein.

In a preferred embodiment of the present utility model, the moving mechanism 8 includes: a movable screw 801, a movable slider 802 and a power component 803 for driving the movable screw 801 to rotate; wherein,,

the movable screw rod 801 consisting of two screws with opposite screw thread directions is horizontally and rotatably arranged in the inner cavity of the lifting seat 5, two movable sliding blocks 802 which are close to or far away from each other are respectively arranged on the two screws in a threaded mode, the bottom ends of the two movable sliding blocks 802 respectively penetrate through the openings which are matched with the movable sliding blocks and are respectively fixedly provided with a measuring seat 601 which is a hemisphere, and the center position of each opening is vertically and fixedly provided with a detecting rod 7 for measuring the inner diameter of a workpiece.

In the above scheme, when in use, the power component 803 drives the moving screw 801 to rotate, so as to drive the two moving sliders 802 to approach or depart from the two measuring seats 601 in opposite directions along the horizontal direction.

In addition, as shown in fig. 1-3, the power assembly 803 includes: the lifting seat comprises a power motor, a first power gear and a second power gear, wherein the power motor is horizontally and fixedly arranged at the top of the lifting seat 5, the first power gear is fixedly arranged on an output shaft which is horizontally arranged, and the end part of the movable screw rod 801 penetrates out of the lifting seat 5 and is fixedly provided with the second power gear which is in meshed connection with the first power gear.

In a preferred embodiment of the present utility model, the top ends of the brackets 9 are located at two sides of the second cylinder 10, respectively, vertically and are provided with guide assemblies 11 penetrating through, and each guide assembly 11 includes: the device comprises a guide sleeve, a guide sliding block, a tensioning spring and a guide rod, wherein the guide sleeve is arranged on the guide sleeve;

every that is vertical setting all slidable is provided with the direction slider in the direction sleeve, and is vertical setting and be in the extension state the one end of tensioning spring is fixed the top of direction sleeve, its other end is fixed to be set up on the direction slider, is vertical setting the one end of guide bar is fixed to be set up on the direction slider, its other end is fixed to be set up on the lifting seat 5.

In the above-mentioned scheme, the guiding assembly 11 plays a role of guiding and buffering to ensure that the lifting seat 5 can move stably and reliably in the vertical direction.

When the lifting seat 5 descends, the guide sliding block is driven by the guide rod to vertically descend along the inner cavity of the guide sleeve, and meanwhile, the tensioning spring is slowly stretched from a compressed state; when the lifting seat 5 ascends, the guide sliding block is pushed by the guide rod to ascend along the inner cavity of the guide sleeve, and meanwhile, the tensioning spring is compressed, so that the tensioning spring is in a tensioning state.

In a preferred embodiment of the present utility model, the fixing mechanism 3 includes: an outer clamping plate 301, a supporting plate 302, an inner clamping plate 303, a clamping spring 304 and a fixed suction cup 305; wherein,,

the upper surface symmetry of swivel platform 2 is provided with interval adjustable and is used for centre gripping work piece and is two outside splint 301 of arc structure, and every outside splint 301's bottom level and movable run through be provided with be used for supporting the backup pad 302 of work piece, and two the adjacent end of backup pad 302 is all fixed to be provided with the inboard splint 303 that can conflict on the work piece inner wall, and its other end is fixed to be provided with the dog, and be located the dog with every between the outside splint 301 the backup pad 302 all overlaps and is provided with clamping spring 304, clamping spring 304's both ends are fixed respectively to be set up in the dog with on the outside splint 301.

In the above scheme, when in use, as shown in fig. 3, the piston member is vertically clamped between the outer clamping plate 301 and the inner clamping plate 303, and the bottom end of the piston member is supported by the supporting plate 302, and the side wall of the piston member is tightly clamped and fixed by the clamping spring 304, so that the piston member is prevented from being deviated in the measuring process, and the measuring accuracy is affected.

In a preferred embodiment of the present utility model, the fixing mechanism 3 further includes: a fixed suction cup 305; wherein,,

a plurality of fixing suckers 305 capable of being adsorbed on the inner wall of the workpiece are uniformly and horizontally arranged on one side of each inner clamping plate 303 facing the inner wall of the workpiece.

In the above-described embodiment, the fixing chuck 305 is used to adsorb and fix the inner wall of the piston member, so that the fixing property and reliability of the fixing mechanism 3 to the piston member can be further improved.

In a preferred embodiment of the utility model, the detection device further comprises a distance adjusting mechanism 4 for adjusting the distance between the two outer clamping plates 301, and the distance adjusting mechanism 4 comprises: a guide bar 401, a slide base 402, a hinge base 403, a connecting rod 404, a first cylinder 405 and a return spring 406; wherein,,

the upper part of the rotary platform 2 is horizontally and fixedly provided with a guide rod 401, two sliding seats 402 are arranged on the shaft body of the guide rod 401 at intervals in a sliding manner, the upper surface of the rotary platform 2, which is positioned beside the middle part of the guide rod 401, is horizontally and movably provided with a hinging seat 403 which can be close to or far away from the middle part of the guide rod 401, each sliding seat 402 is hinged with a connecting rod 404, the other end of each connecting rod 404 is hinged with a hinging seat 403, and the upper surface of the rotary platform 2 is also horizontally provided with a first cylinder 405 used for driving the hinging seat 403 to move.

In the above-mentioned scheme, when in use, the first cylinder 405 is driven to drive the hinge seat 403 to be away from the guide rod 401, and in the process that the hinge seat 403 is away from the guide rod 401, the two slide bases 402 are pulled by the connecting rod 404 to move along the guide rod 401 towards each other to be close to each other, and at the same time, the return spring 406 is stretched to adjust the distance between the two outer clamping plates 301, so that the two outer clamping plates 301 are close to each other and clamp the piston member.

After the measurement is finished, the first cylinder 405 drives the hinge seat 403 to approach the guide rod 401, and in the approaching process, the two slide bases 402 are pushed to move away reversely by the connecting rod so as to release the clamping of the piston member.

In addition, the first cylinder 405 is a common general knowledge in the prior art, and therefore, the specific structure and the use principle thereof will not be described herein.

In a preferred embodiment of the present utility model, the upper surface portion of the rotary platform 2 is recessed inward to form a guide chute 15 parallel to the first cylinder 405, and a guide slider is slidably disposed in the guide chute, and a top portion of the guide slider penetrates the guide chute 15 and is fixedly disposed on the hinge base 403.

In the above-mentioned scheme, under the cooperation of the guiding sliding groove 15 and the guiding sliding block on the bottom of the hinging seat 403, it is ensured that the hinging seat 403 can move linearly on the surface of the rotating platform 2 smoothly and reliably.

In a preferred embodiment of the present utility model, the upper surface of the base 1 is rotatably provided with a rotating shaft 14, and the center of the lower surface of the rotating platform 2 horizontally arranged is fixedly arranged on the rotating shaft 14.

In the above scheme, the rotating shaft 14 is driven to rotate the rotating platform 2.

In a preferred embodiment of the present utility model, the detecting device further includes a rotation mechanism for driving the rotation shaft 14 to rotate, the rotation mechanism including: a rotation gear 1201, a rotation rack plate 1202, and a third cylinder 1203; wherein,,

the rotating shaft 14 inside the base 1 is horizontally and fixedly provided with a rotating gear 1201, the inside of the base 1 is horizontally and movably provided with a rotating rack plate 1202 meshed with the rotating gear 1201, the third cylinder 1203 is horizontally and fixedly arranged at one end of the rotating rack plate 1202, the free end of a piston rod of the third cylinder is fixedly arranged at the end of the rotating rack plate 1202, the bottom of the base 1 is horizontally and fixedly provided with a guide plate 13, the lower surface part of the rotating rack plate 1202 is inwards recessed to form an assembling chute matched with the guide plate 13, and the rotating rack plate 1202 is slidably assembled on the guide plate 13 through the assembling chute.

In the above scheme, when in use, the third cylinder 1203 is driven to drive the rotary rack plate 1202 to move along the horizontal direction, and the rotary shaft 14 is driven to rotate under the meshing connection of the rotary gear 1201, so as to realize the rotation of the rotary platform 2, so as to adjust the angle of the piston member, and enable the measuring mechanism 6 to measure the hardness of different parts of the piston member.

In summary, the hardness detection device for processing the automobile piston provided by the utility model overcomes the problems that in the prior art, in the using process, the position of a measuring needle in the prior art does not have an adjusting function, and is only limited to detecting the end part of the piston, and other parts of the piston cannot be detected, so that the detection position is limited, the detection result is error, and the accuracy of the detection result is reduced.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (10)

1. The utility model provides a hardness detection device of car piston processing which characterized in that, car piston processing's hardness detection device includes: the device comprises a base (1), a rotary platform (2), a fixing mechanism (3), a lifting seat (5) and a measuring mechanism (6);

the utility model provides a measuring mechanism (6) that base (1) top level and rotationally are provided with rotary platform (2), rotary platform (2)'s upper surface is provided with fixed establishment (3) that are used for fixed work piece, rotary platform (2) top can be provided with lift seat (5) in a lifting manner, just lift seat (5) are provided with inner wall, outer wall and the port to the work piece and carry out hardness detection, measuring mechanism (6) include: a measuring seat (601), a first measuring needle (602) and a second measuring needle (603); wherein,,

two measuring bases (601) moving in the same direction or in opposite directions along the horizontal direction are respectively and horizontally provided with a first measuring needle (602) for measuring the hardness of the side wall of the workpiece, and the bottom ends of the two measuring bases are respectively and vertically fixedly provided with a second measuring needle (603) for measuring the hardness of the port of the workpiece.

2. The hardness testing device for machining of automobile pistons according to claim 1, characterized in that a bracket (9) is vertically arranged beside the base (1), a second cylinder (10) is vertically and fixedly arranged in a penetrating manner in the center of the top of the bracket, a lifting seat (5) with an opening facing a workpiece is horizontally and fixedly arranged at the free end of a piston rod vertically arranged, and two measuring seats (601) with hemispherical structures are horizontally and movably arranged in the inner cavity of the lifting seat (5) through a moving mechanism (8).

3. The hardness testing device for automotive piston machining according to claim 2, characterized in that the moving mechanism (8) comprises: a movable screw rod (801), a movable slide block (802) and a power assembly (803) for driving the movable screw rod (801) to rotate; wherein,,

the movable screw rod (801) composed of two screws with opposite screw thread directions is horizontally and rotatably arranged in an inner cavity of the lifting seat (5), two movable sliding blocks (802) which are close to or far away from each other are respectively arranged on the two screws in a threaded mode, the bottom ends of the two movable sliding blocks (802) respectively penetrate out of the openings which are matched with the movable sliding blocks and are respectively and fixedly provided with a measuring seat (601) which is a hemisphere, and a detecting rod (7) for measuring the inner diameter of a workpiece is vertically and fixedly arranged at the central position of each opening.

4. The hardness testing device for automotive piston machining according to claim 2, characterized in that the top end of the bracket (9) is located at both sides of the second cylinder (10) and is provided with guide assemblies (11) respectively vertically and penetratingly, each guide assembly (11) comprising: the device comprises a guide sleeve, a guide sliding block, a tensioning spring and a guide rod, wherein the guide sleeve is arranged on the guide sleeve;

every that is vertical setting all slidable is provided with the direction slider in the direction sleeve, and is vertical setting and be in the extension state the one end of tensioning spring is fixed the top of direction sleeve, its other end is fixed to be set up on the direction slider, is vertical setting the one end of guide bar is fixed to be set up on the direction slider, its other end is fixed to be set up on elevating seat (5).

5. The hardness testing device for automotive piston machining according to claim 1, characterized in that the fixing mechanism (3) comprises: an outer clamping plate (301), a supporting plate (302), an inner clamping plate (303), a clamping spring (304) and a fixed sucker (305); wherein,,

the upper surface symmetry of rotary platform (2) is provided with interval adjustable and is used for centre gripping work piece and is two outside splint (301) of arc structure, and every outside splint (301) bottom level and movable run through be provided with be used for supporting backup pad (302) of work piece, and two adjacent end of backup pad (302) is all fixed be provided with inboard splint (303) that can conflict on the work piece inner wall, its other end is fixed be provided with the dog, and be located the dog with every between outside splint (301) backup pad (302) all overlaps and is provided with clamping spring (304), clamping spring (304) both ends are fixed respectively to be set up in the dog with on outside splint (301).

6. The hardness testing device for automotive piston machining according to claim 5, characterized in that the fixing mechanism (3) further comprises: a fixed suction cup (305); wherein,,

a plurality of fixing suckers (305) capable of being adsorbed on the inner wall of the workpiece are uniformly and horizontally arranged on one side, facing the inner wall of the workpiece, of each inner side clamping plate (303).

7. The hardness testing device for automotive piston machining according to claim 5, characterized in that it further comprises a distance adjusting mechanism (4) for adjusting the distance between two of said outer clamping plates (301), said distance adjusting mechanism (4) comprising: the device comprises a guide rod (401), a sliding seat (402), a hinging seat (403), a connecting rod (404), a first cylinder (405) and a return spring (406); wherein,,

the upper part of the rotary platform (2) is horizontally and fixedly provided with a guide rod (401), two sliding seats (402) are arranged on the shaft body of the guide rod (401) at intervals in a sliding mode, the upper surface of the rotary platform (2) beside the middle part of the guide rod (401) is horizontally and movably provided with a hinging seat (403) which can be close to or far away from the middle part of the guide rod (401), each sliding seat (402) is hinged with a connecting rod (404), the other end of each connecting rod (404) is hinged with the hinging seat (403), and the upper surface of the rotary platform (2) is also horizontally provided with a first cylinder (405) used for driving the hinging seat (403) to move.

8. The hardness testing device for automotive piston machining according to claim 7, characterized in that the upper surface portion of the rotary platform (2) is recessed inward to form a guide chute (15) parallel to the first cylinder (405), and a guide slider is slidably disposed in the guide chute, and the top portion of the guide slider penetrates the guide chute (15) and is fixedly disposed on the hinge base (403).

9. The hardness testing device for machining of automobile pistons according to claim 1, wherein the upper surface of the base (1) is rotatably provided with a rotating shaft (14), and the center of the lower surface of the horizontally arranged rotating platform (2) is fixedly arranged on the rotating shaft (14).

10. The hardness testing device for automotive piston machining according to claim 9, characterized in that it further comprises a rotation mechanism for driving the rotation shaft (14) in rotation, said rotation mechanism comprising: a rotary gear (1201), a rotary rack plate (1202) and a third cylinder (1203); wherein,,

the rotating shaft (14) inside the base (1) is horizontally fixedly provided with a rotating gear (1201), the inside of the base (1) is horizontally and movably provided with a rotating rack plate (1202) meshed with the rotating gear (1201), the third cylinder (1203) is horizontally fixedly arranged at one end of the rotating rack plate (1202), the free end of a piston rod of the third cylinder is fixedly arranged at the end of the rotating rack plate (1202), the bottom of the base (1) is horizontally fixedly provided with a guide plate (13), the lower surface part of the rotating rack plate (1202) is inwards recessed to form an assembly chute matched with the guide plate (13), and the rotating rack plate (1202) is slidably assembled on the guide plate (13) through the assembly chute.

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