Detection tool for rapidly detecting effective depth of reaming

Abstract

The utility model discloses a gauge for rapidly detecting the effective depth of a reamed hole, which belongs to the technical field of workpiece production and comprises a depth checking gauge, and a detection assembly is arranged at the top of the depth checking gauge. According to the utility model, the dial indicator is used as a measuring element, compared with a digital display caliper, the dial indicator can measure infinitesimal displacement more accurately, the dial indicator is matched with the gauge inner core, and when the gauge inner core is in contact with the bottom of a reamed hole, the dial indicator can convert infinitesimal depth change into accurate reading, so that the detection precision is greatly improved; the problem that the reaming depth is not accurate due to measurement errors is effectively solved, it is ensured that the reaming depth meets the strict tolerance requirement, and due to the fact that the detection precision is improved, selection and repair work conducted due to the fact that the reaming depth is not qualified is reduced. Therefore, manpower and material resource cost required by repair is saved, material waste caused by scrap of parts is reduced, and production cost is effectively controlled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to work piece production technical field, concretely relates to a kind of effective depth gauge of quick detection reaming. BACKGROUND

[0002] In the field of machining, reaming process is one of the key links to ensure the accuracy of parts, and is widely used in automobile manufacturing, aerospace, precision instrument production and other industries, and reaming depth as an important indicator of reaming quality has a direct impact on the overall performance and assembly accuracy of parts.

[0003] When reaming process is processed, the reaming depth tolerance is too strict, and the effective depth of reaming is not accurate when detected by digital caliper, so the operator will repeatedly modify the reaming depth, and therefore a kind of effective depth gauge of quick detection reaming is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of effective depth gauge of quick detection reaming to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: an effective depth gauge of quick detection reaming, comprising a calibration depth gauge, the top of the calibration depth gauge is provided with a detection assembly;

[0006] The detection assembly comprises a gauge shell, the top of the gauge shell is provided with a dial indicator, a fixed nut is arranged between the gauge shell and the dial indicator, the inside of the gauge shell is provided with a gauge core, the bottom of the dial indicator is provided with a contact head, and the top of the gauge shell is provided with a spring through the recess.

[0007] As a preferred embodiment, the top of the calibration depth gauge is provided with six positioning holes.

[0008] As a preferred embodiment, the positioning holes are connected with the bottom end contact points of the gauge core.

[0009] As a preferred embodiment, the gauge core is T-shaped, and the top of the gauge core is connected with the bottom end of the contact head.

[0010] As a preferred embodiment, the top of the gauge core is provided with a spring, and the bottom end of the contact head is located inside the spring.

[0011] As a preferred embodiment, the top end inside of the gauge shell is connected with the bottom end of the fixed nut through thread, and the bottom end outside of the dial indicator is connected with the top of the fixed nut through thread.

[0012] Compared with the prior art, the utility model has the beneficial effects that

[0013] The utility model discloses, through the setting up of the dial gauge as the measuring element, compared with the digital caliper, the dial gauge can more accurately measure the tiny displacement, and the dial gauge is matched with the inside core of the gauge, when the inside core of the gauge contacts the bottom of the reaming hole, the dial gauge can convert the tiny depth change into the accurate reading, greatly improves the detection accuracy, effectively avoids the problem of the inaccurate reaming hole depth caused by the measurement error, ensures the reaming hole depth to meet the strict tolerance requirement, because of the improvement of the detection accuracy, reduces the selection and rework work of the unqualified reaming hole depth, not only saves the manpower, material resources cost required for rework, but also reduces the material waste caused by the scrap of parts, effectively controls the production cost.

[0014] The utility model discloses, only need to place the detection assembly of assembled on the reaming hole, can quickly read the reaming hole depth data, need not like using the digital caliper and carry out complicated operation and measure many times, greatly saves the detection time, realizes the quick detection of the effective depth of reaming hole, improves the detection efficiency on the production line, and the positioning hole is connected with the bottom end contact point of the inside core of the gauge, can provide the accurate positioning reference for the gauge, in the process of checking and detecting, the inside core of the gauge can be accurately in position through the positioning hole, guarantees the position consistency of each measurement, further improves the measurement accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the schematic diagram of the utility model main body three-dimensional structure;

[0016] Fig. 2 It is the schematic diagram of the utility model detection assembly three-dimensional structure;

[0017] Fig. 3 It is the schematic diagram of the utility model detection assembly cross section three-dimensional structure.

[0018] In the drawing: 1, check depth gauge;2, detection assembly;3, positioning hole;201, gauge shell;202, dial gauge;203, fixed nut;204, gauge inside core;205, contact head;206, spring. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the embodiment.

[0020] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and the simple improvement of the method of the utility model under the concept of the utility model belongs to the range of the utility model required protection.

[0021] Please refer to Figs. 1-3The utility model provides a kind of quick detection reaming effective depth gauge, including calibration depth gauge 1, the top of calibration depth gauge 1 is equipped with detection assembly 2;

[0022] Detection assembly 2 includes gauge shell 201, the top of gauge shell 201 is equipped with dial gauge 202, fixed nut 203 is equipped between gauge shell 201 and dial gauge 202, the inside of gauge shell 201 is equipped with gauge inner core 204, the bottom of dial gauge 202 is equipped with contact head 205, the top of gauge shell 201 is equipped with spring 206 by being equipped with recess groove;

[0023] By being equipped with dial gauge 202 as measuring element, compared with digital caliper, dial gauge 202 can more accurately measure tiny displacement, dial gauge 202 cooperates with gauge inner core 204, when gauge inner core 204 contacts reaming bottom, dial gauge 202 can convert tiny depth change into accurate reading, greatly improve detection accuracy, by being equipped with positioning hole 3 and the bottom end contact point of gauge inner core 204 is connected, can provide accurate positioning reference for gauge, in calibration and detection process, gauge inner core 204 can be accurately in position by positioning hole 3, guarantee the position consistency of each measurement, further improve measurement accuracy.

[0024] Calibration depth gauge 1 top is equipped with positioning hole 3, the number of positioning hole 3 is six.

[0025] Positioning hole 3 is connected with the bottom end contact point of gauge inner core 204.

[0026] Gauge inner core 204 is T-shaped, the top of gauge inner core 204 is connected with the bottom end of contact head 205.

[0027] The top of gauge inner core 204 is equipped with spring 206, and the bottom end of contact head 205 is located in the inside of spring 206.

[0028] The top end of the gauge shell 201 is connected with the bottom end of the fixed nut 203 through screw thread, the bottom end of the dial gauge 202 is connected with the top of the fixed nut 203 through screw thread, the gauge shell 201 and the dial gauge 202 are connected through the fixed nut 203, so that the stability of the installation of the dial gauge 202 is ensured, and the dial gauge 202 is convenient to disassemble and maintain when needed, meanwhile, the inner core 204 of the gauge is T-shaped, the top of the inner core 204 is connected with the contact head 205, and the top of the inner core 204 is provided with the spring 206, the bottom end of the contact head 205 is located in the inner side of the spring 206, the spring 206 is designed to play a buffering and resetting role, so that the inner core 204 of the gauge can stably contact the bottom of the reaming hole during the detection process, the damage of the gauge caused by excessive impact force is avoided, the stability and reliability of the use of the gauge are enhanced, the service life of the gauge is prolonged, the inner core 204 of the gauge mainly plays a role of transmitting depth information and positioning, when the inner core 204 of the gauge is inserted into the reaming hole and the bottom of the inner core 204 contacts the bottom surface of the reaming hole, the distance between the bottom of the reaming hole and the reference surface of the calibration depth gauge 1 is transmitted to the contact head 205, so that the contact head 205 drives the measuring rod of the dial gauge 202 to produce displacement, the change of the depth of the reaming hole is converted into the rotation of the pointer of the dial gauge 202, and the measurement of the depth of the reaming hole is realized.

[0029] The working principle and use process of the utility model are as follows: firstly, the dial gauge 202 is installed on the gauge shell 201 and is tightened through the fixed nut 203, so that the dial gauge 202 is stably installed, the assembled detection assembly 2 is placed on the calibration depth gauge 1, the bottom end of the inner core 204 of the gauge contacts the positioning hole 3 and is accurately positioned, then the pointer of the dial gauge 202 is observed, if the pointer is not at zero, calibration needs to be carried out according to the actual situation, when the pointer deviates from zero, the zero adjusting knob of the dial gauge 202 or other calibration devices is adjusted, so that the pointer points to zero, calibration is completed, the accuracy of the detection assembly 2 is ensured, finally, the calibrated detection assembly 2 is placed on the reaming hole to be detected, the inner core 204 of the gauge is slowly inserted into the reaming hole, under the action of the spring 206, the bottom of the inner core 204 of the gauge is in close contact with the bottom of the reaming hole, at this time, the change of the depth of the reaming hole is transmitted to the contact head 205 through the inner core 204 of the gauge, so that the pointer of the dial gauge 202 rotates, and the depth data of the reaming hole is read from the dial plate of the dial gauge 202.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rapid detection of the effective depth of reaming gauge, comprising a calibration depth gauge (1), characterized in that; The top of the calibration depth gauge (1) is provided with a detection assembly (2); The detection assembly (2) comprises a gauge shell (201), the top of the gauge shell (201) is provided with a dial gauge (202), a fixed nut (203) is arranged between the gauge shell (201) and the dial gauge (202), the inside of the gauge shell (201) is provided with a gauge inner core (204), the bottom of the dial gauge (202) is provided with a contact head (205), and the top of the gauge shell (201) is provided with a spring (206) through a groove.

2. The tool of claim 1, wherein: The top of the calibration depth gauge (1) is provided with positioning holes (3), and the number of the positioning holes (3) is six.

3. The tool of claim 2, wherein: The positioning holes (3) are connected with the bottom end contact points of the gauge inner core (204).

4. The tool of claim 1, wherein: The gauge inner core (204) is T-shaped, and the top of the gauge inner core (204) is connected with the bottom end of the contact head (205).

5. The tool of claim 1, wherein: The top of the gauge inner core (204) is provided with a spring (206), and the bottom end of the contact head (205) is located on the inside of the spring (206).

6. The tool of claim 1, wherein: The inside of the top end of the gauge shell (201) is connected with the bottom end of the fixed nut (203) through threads, and the bottom end of the dial gauge (202) is connected with the top of the fixed nut (203) through threads.

Images