CN219776664U

CN219776664U - Deep hole machining precision detection device

Info

Publication number: CN219776664U
Application number: CN202321204092.6U
Authority: CN
Inventors: 王东文; 张海雷; 李金良
Original assignee: Shanghai Qianshun Machinery Manufacturing Co ltd
Current assignee: Shanghai Qianshun Machinery Manufacturing Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-29
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to the technical field of processing technology, in particular to a deep hole processing precision detection device which comprises a base, wherein a positioning device is fixedly arranged at the upper end of the base, a fixed long rod is fixedly arranged at the left side of the upper end of the base, an electric long rod is fixedly arranged at the lower end of the right side of the fixed long rod, the lower end of the electric long rod penetrates through the positioning device, and a detection assembly is annularly arranged at the periphery of the lower part of the electric long rod. When the utility model is used, the roller is used for contacting the wall surface of the hole, the detection component is continuously stretched into the deep hole through the electric long rod, when the deflection condition occurs on the wall surface of the pipe, the diameters of the roller and the electric long rod are changed, the corresponding return spring stretches out and draws back corresponding length, the potential energy of the return spring is changed, the tension force of the sensor is changed, the change is directly displayed in a red-green staggered mode by the feedback lamp, and the work of rapidly detecting the internal precision of the hole is completed.

Description

Deep hole machining precision detection device

Technical Field

The utility model relates to the technical field of machining processes, in particular to a deep hole machining precision detection device.

Background

Along with the trend of continuous development of high speed, high efficiency and flexibility in the manufacturing industry, the use amount of a plurality of precise shaft parts also rapidly rises, blind holes are sometimes required to be machined on the end surfaces of the shaft parts, because the parts have higher requirements on dimensional accuracy, the blind holes are required to be detected after being machined, manual detection is mostly adopted before, the detection efficiency is low, the result error is large, meanwhile, the detection in the deep holes is very inconvenient, particularly the difficulty of detecting the thin deep holes is greatly improved, and the detection cost of an optical instrument is high, so that the method cannot be applied to small factories. Accordingly, a person skilled in the art provides a deep hole machining precision detecting device to solve the problems set forth in the background art.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a deep hole machining precision detection device, which comprises a base, wherein a positioning device is fixedly arranged at the upper end of the base, a fixed long rod is fixedly arranged at the left side of the upper end of the base, an electric long rod is fixedly arranged at the lower end of the right side of the fixed long rod, the lower end of the electric long rod passes through the positioning device, and a detection assembly is annularly arranged at the lower circumference of the electric long rod;

the detection assembly comprises a fixed shaft seat, a movable plate, rollers, a limiting movable groove, a limiting sliding plate, a reset spring and a sensor, wherein a plurality of fixed shaft seats are annularly arranged on the periphery of the lower end of the electric long rod, the movable plate is connected to the fixed shaft seat in a rotating mode, the rollers are movably arranged at the other end of the movable plate, the limiting movable groove is formed in the upper end face of the movable plate, the limiting sliding plate which can slide is arranged in the limiting movable groove, the reset spring is fixedly arranged on the limiting sliding plate, and the sensor is fixedly arranged at the other end of the reset spring.

Preferably: and a plurality of feedback lamps are fixedly arranged at the upper end of the right side of the fixed long rod, and the feedback lamps are correspondingly arranged with the detection assembly.

Preferably: the positioning device comprises a rotating button, an oblique toothed ring, a clamping ring, a through barrel, a clamping groove, a fixed seat, a bevel gear, a screw rod, a support plate, a movable long hole, a limiting plate and a sliding fixed plate, wherein the through barrel is fixedly installed in the middle of the upper end of the base, the clamping groove is formed in the upper part of the peripheral side of the through barrel, the oblique toothed ring is sleeved outside the through barrel, the clamping ring is fixedly installed on the inner side of the oblique toothed ring, the clamping ring is movably clamped with the clamping groove, and the rotating button is fixedly installed at the upper end of the oblique toothed ring.

Preferably: a plurality of fixing seats are arranged on the circumference of the through cylinder, the fixing seats are fixed on the base, the annular installation support plate is arranged at the side end of the base, the movable long hole is formed in the middle of the support plate, the limiting plate is fixedly installed at the other end of the support plate, the sliding fixing plate is arranged on the screw rod in a meshed mode, and the sliding fixing plate and the movable long hole are in limiting sliding.

Preferably: a screw is movably arranged between the limiting plate and the fixed seat, a bevel gear is fixedly arranged at the front end of the screw, and the bevel gear is meshed with the helical gear ring insection.

Preferably: the sensor is fixed at the lower part of the electric long rod and is arranged by adopting a tension sensor.

The utility model has the technical effects and advantages that:

1. when the device is used, the base is placed on the upper side of the hole, the limiting plate is positioned at the side end of the workpiece, the sliding fixed plate extends into the hole, the rotating knob is rotated to enable the helical gear ring to be meshed with the helical gear, the helical gear drives the screw to rotate, the screw is meshed with the sliding fixed plate to force the sliding fixed plate to slide in the movable long hole, so that the workpiece is limited and clamped, the device is positioned and fixed, a good foundation is provided for precision detection, detection accuracy is guaranteed, and errors are reduced.

2. When the utility model is used, the roller is used for contacting the wall surface of the hole, the detection component is continuously stretched into the deep hole through the electric long rod, when the deflection condition occurs on the wall surface of the pipe, the diameters of the roller and the electric long rod are changed, the corresponding return spring stretches out and draws back corresponding length, the potential energy of the return spring is changed, the tension force of the sensor is changed, the change is directly displayed in a red-green staggered mode by the feedback lamp, and the work of rapidly detecting the internal precision of the hole is completed.

Drawings

FIG. 1 is a schematic view of the structure provided by the present utility model;

FIG. 2 is a schematic view of a positioning device according to the present utility model;

FIG. 3 is a schematic diagram of a detection assembly according to the present utility model;

in the figure:

1. a base; 2. a positioning device; 3. fixing the long rod; 4. an electric long rod; 5. a detection assembly; 6. a feedback lamp;

21. a rotary knob; 22. an inclined toothed ring; 23. a clasp; 24. a through cylinder; 25. a clamping groove; 26. a fixing seat; 27. bevel gear; 28. a screw; 29. a support plate; 210. a movable slot; 211. a limiting plate; 212. sliding the fixed plate;

51. fixing the shaft seat; 52. a movable plate; 53. a roller; 54. a limiting movable groove; 55. a limit sliding plate; 56. a return spring; 57. a sensor.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 3, in this embodiment, a deep hole machining precision detection device is provided, which includes a base 1, a positioning device 2 is fixedly installed at the upper end of the base 1, a fixed long rod 3 is fixedly installed at the left side of the upper end of the base 1, a plurality of feedback lamps 6 are fixedly installed at the upper end of the right side of the fixed long rod 3, the feedback lamps 6 are correspondingly arranged with a detection component 5, an electric long rod 4 is fixedly installed at the lower end of the right side of the fixed long rod 3, the lower end of the electric long rod 4 passes through the positioning device 2, and a detection component 5 is annularly installed at the periphery of the lower part of the electric long rod 4;

the positioning device 2 comprises a rotating button 21, a helical gear ring 22, a clamping ring 23, a through cylinder 24, a clamping groove 25, a fixed seat 26, a helical gear 27, a screw 28, a support plate 29, a movable long hole 210, a limiting plate 211 and a sliding fixed plate 212, wherein the middle part of the upper end of the base 1 is fixedly provided with the through cylinder 24, the clamping groove 25 is arranged at the upper part of the peripheral side of the through cylinder 24, the helical gear ring 22 is sleeved outside the through cylinder 24, the clamping ring 23 is fixedly arranged at the inner side of the helical gear ring 22, the clamping ring 23 is movably clamped with the clamping groove 25, the upper end of the helical gear ring 22 is fixedly provided with the rotating button 21, a plurality of fixed seats 26 are arranged at the periphery of the through cylinder 24, the fixed seat 26 is fixed on the base 1, the side of the base 1 is annularly provided with the support plate 29, the middle part of the support plate 29 is provided with the movable long hole 210, the other end of the support plate 29 is fixedly provided with the limiting plate 211, the limiting plate 211 is movably provided with the screw 28 between the limiting plate 211 and the fixed seat 26, the front end of the screw 28 is fixedly provided with the helical gear 27, the helical gear 27 is meshed with the helical gear ring 22, the sliding fixed plate 212 is meshed with the movable long hole 210, the helical gear 22 is in a sliding fixed plate is in a limited sliding way, the position, the helical gear 21 is driven by the screw 22 is driven by the helical gear 22 to rotate, and the helical gear 22 is driven by the helical gear 22 to rotate, and the movable plate is accurately rotate in the fixed plate 28 to rotate at the side to the position on the side, and the side of the side, and the accurate side is accurately to be positioned on the side, and can be positioned on the side, and to be accurately to be positioned on the side and to and when the side, and is to be positioned on the side and to and when and is to and when the position;

the detection assembly 5 comprises a fixed shaft seat 51, a movable plate 52, a roller 53, a limiting movable groove 54, a limiting sliding plate 55, a reset spring 56 and a sensor 57, wherein a plurality of fixed shaft seats 51 are annularly arranged on the periphery of the lower end of the electric long rod 4, the movable plate 52 is rotatably connected to the fixed shaft seat 51, the roller 53 is movably arranged at the other end of the movable plate 52, the limiting movable groove 54 is formed in the upper end surface of the movable plate 52, a slidable limiting sliding plate 55 is arranged in the limiting movable groove 54, the reset spring 56 is fixedly arranged on the limiting sliding plate 55, the sensor 57 is fixedly arranged at the other end of the reset spring 56, the sensor 57 is fixed at the lower part of the electric long rod 4, the sensor 57 is arranged by adopting a tension sensor, the limiting sliding plate 55 is pushed to slide in the limiting movable groove 54 through the extension of the reset spring 56, the corresponding movable plate 52 rotates around the fixed shaft seat 51 by the thrust, so that the radius sizes of different positions of the inner walls of deep holes are adapted, and the signals of tension changes are transmitted by the sensor 57.

The working principle of the utility model is as follows:

when the device is used, the base 1 is placed on the upper side of the hole, the limiting plate 211 is positioned at the side end of the workpiece, the sliding fixed plate 212 stretches into the hole, the rotating knob 21 is rotated to enable the helical gear ring 22 to be meshed with the helical gear 27, so that the helical gear 27 drives the screw 28 to rotate, the screw 28 is meshed with the sliding fixed plate 212 to force the sliding fixed plate 212 to slide in the movable long hole 210, the workpiece is limited and clamped, the device is positioned and fixed, and a good foundation is provided for precision detection; then, the roller 53 contacts the hole wall surface, and the limiting sliding plate 55 is pushed to slide in the limiting movable groove 54 through the extension of the reset spring 56, and the corresponding movable plate 52 rotates around the fixed shaft seat 51 under the thrust force, so that the radial dimensions of different positions of the inner wall of the deep hole are adapted, and the change of the radial dimensions is transmitted by the signal of the tension change of the sensor 57.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The deep hole machining precision detection device comprises a base (1) and is characterized in that a positioning device (2) is fixedly arranged at the upper end of the base (1), a fixed long rod (3) is fixedly arranged at the left side of the upper end of the base (1), an electric long rod (4) is fixedly arranged at the lower end of the right side of the fixed long rod (3), the lower end of the electric long rod (4) penetrates through the positioning device (2), and a detection assembly (5) is annularly arranged at the periphery of the lower part of the electric long rod (4);

the detection assembly (5) comprises a fixed shaft seat (51), a movable plate (52), a roller (53), a limiting movable groove (54), a limiting sliding plate (55), a reset spring (56) and a sensor (57), wherein a plurality of fixed shaft seats (51) are annularly arranged on the periphery of the lower end of the electric long rod (4), the movable plate (52) is rotatably connected on the fixed shaft seat (51), the roller (53) is movably arranged at the other end of the movable plate (52), the upper end face of the movable plate (52) is provided with the limiting movable groove (54), a sliding limiting sliding plate (55) is arranged in the limiting movable groove (54), the reset spring (56) is fixedly arranged on the limiting sliding plate (55), and the sensor (57) is fixedly arranged at the other end of the reset spring (56).

2. The deep hole machining precision detection device according to claim 1, wherein a plurality of feedback lamps (6) are fixedly arranged at the upper end of the right side of the fixed long rod (3), and the feedback lamps (6) are correspondingly arranged with the detection assembly (5).

3. The deep hole machining precision detection device according to claim 1, wherein the positioning device (2) comprises a rotary button (21), a helical gear ring (22), a clamping ring (23), a through barrel (24), a clamping groove (25), a fixed seat (26), a helical gear (27), a screw (28), a support plate (29), a movable long hole (210), a limiting plate (211) and a sliding fixed plate (212), the through barrel (24) is fixedly installed at the middle part of the upper end of the base (1), the clamping groove (25) is formed in the upper part of the peripheral side of the through barrel (24), the helical gear ring (22) is sleeved outside the through barrel (24), the clamping ring (23) is fixedly installed on the inner side of the helical gear ring (22), the clamping ring (23) is movably clamped with the clamping groove (25), and the rotary button (21) is fixedly installed at the upper end of the helical gear ring (22).

4. The deep hole machining precision detection device according to claim 3, wherein the through cylinder (24) Zhou Ceshe is provided with a plurality of fixing seats (26), the fixing seats (26) are fixed on the base (1), support plates (29) are annularly arranged at the side ends of the base (1), movable long holes (210) are formed in the middle of the support plates (29), limiting plates (211) are fixedly arranged at the other ends of the support plates (29), sliding fixing plates (212) are sleeved on the screw rods (28) in a meshed mode, and the sliding fixing plates (212) and the movable long holes (210) are in limiting sliding mode.

5. A deep hole machining precision detection device according to claim 3, characterized in that a screw (28) is movably arranged between the limiting plate (211) and the fixed seat (26), a bevel gear (27) is fixedly arranged at the front end of the screw (28), and the bevel gear (27) is meshed with the tooth of the helical gear ring (22).

6. The deep hole machining precision detecting device according to claim 1, wherein the sensor (57) is fixed to the lower portion of the electric long rod (4), and the sensor (57) is provided by a tension sensor.