CN219520737U

CN219520737U - Tapping device capable of measuring tapping depth

Info

Publication number: CN219520737U
Application number: CN202320869842.5U
Authority: CN
Inventors: 孔飞; 韦永建
Original assignee: Jiangsu Runmo Automotive Insepection Equipment Co ltd
Current assignee: Jiangsu Runmo Automotive Insepection Equipment Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-15
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a tapping device capable of measuring tapping depth, which comprises a base, wherein the base is provided with: the clamping tool is used for clamping and fixing a workpiece to be tapped; the tapping mechanism is used for tapping the workpiece through a tap; the moving mechanism is connected with the tapping mechanism and pushes the tapping mechanism to approach or depart from the clamping tool to clamp the fixed workpiece to be tapped; and the displacement detection mechanism is arranged on the tapping mechanism and is used for detecting the tapping depth of the tap. The tapping device is provided with a displacement detection mechanism, when the floating tap taps a workpiece, the measuring head is attached to the surface of the workpiece, the measuring head continuously attacks the workpiece along with the floating tap, and the measuring head slides along the sliding rod to be close to the displacement sensor, so that the tapping depth of the floating tap is indirectly measured by the displacement sensor according to the moving distance of the sliding sleeve, and the tapping device is suitable for products with strict requirements on the tapping depth.

Description

Tapping device capable of measuring tapping depth

Technical Field

The utility model relates to the technical field of tapping devices, in particular to a tapping device capable of measuring tapping depth.

Background

In the machine manufacturing industry, internal threads, screws and the like are required to be machined on the inner side surfaces of holes of various parts such as machine part shells, equipment end surfaces and nuts, and tapping equipment is a device for machining the internal threads by using taps.

Currently, for mass production products such as steel cylinders, the bottle mouth of the product needs to be processed with a standard internal threaded hole; because the bottleneck screw thread degree of depth of steel bottle can influence the sealing performance of steel bottle, but current tapping mechanism is the degree of depth of tapping of only tapping and unable measurement to be applicable to like steel bottle etc. have strict requirement to the degree of tapping product.

Disclosure of Invention

The utility model aims to provide a tapping device capable of measuring tapping depth, which solves the problem that the existing tapping mechanism cannot be applied to products such as steel cylinders and the like with strict requirements on tapping depth.

In order to solve the technical problems, the utility model provides a tapping device capable of measuring tapping depth, which comprises a base, wherein the base is provided with:

the clamping tool is used for clamping and fixing a workpiece to be tapped;

the tapping mechanism is used for tapping the workpiece through a tap;

the moving mechanism is connected with the tapping mechanism and pushes the tapping mechanism to approach or depart from the clamping tool to clamp the fixed workpiece to be tapped;

and the displacement detection mechanism is arranged on the tapping mechanism and is used for detecting the tapping depth of the tap.

Preferably, the tapping mechanism comprises a driving motor and a floating tap, and the floating tap rotates under the driving of the driving motor.

Preferably, the floating tap comprises a cone and a connecting rod, and the cone and the connecting rod are rotationally connected through a connecting pin.

Preferably, the connection end of the screw cone and the connecting rod is sleeved with a pressure spring, one end of the pressure spring is in contact with a check ring fixedly arranged on the screw cone, the other end of the pressure spring is in contact with a check ring fixedly arranged on the connecting rod, and the pressure spring is in a pre-tightening state between the two check rings.

Preferably, the tapping mechanism further comprises a connecting sleeve, one end of the connecting sleeve is connected with an output shaft of the driving motor, the other end of the connecting sleeve is connected with the connecting rod, and power of the driving motor is transmitted to the floating tap through the connecting sleeve.

Preferably, the displacement detection mechanism comprises a displacement sensor and a measuring head, the measuring head is arranged on a sliding sleeve, a sliding rod is connected to the sliding sensor, the sliding sleeve is sleeved on the sliding rod, and the measuring head is driven to slide along the sliding rod to be close to or far away from the displacement sensor.

Preferably, a return spring is sleeved on the sliding rod, one end of the return spring is connected with the sliding sleeve, and the other end of the return spring is connected with the displacement sensor.

Preferably, one end of the measuring head is connected with the sliding sleeve, a through hole for the floating tap to pass through is formed in the other end of the measuring head, and the front end of the floating tap is flush with the front end face of the measuring head in an initial state.

Preferably, the moving mechanism comprises a moving cylinder, a sliding guide rod is connected to the end of a telescopic rod of the moving cylinder, the bottom of the tapping mechanism slides along the sliding guide rod through a guide plate, and under the action of the moving cylinder, the tapping mechanism is driven to approach to a workpiece to be tapped, which is clamped and fixed by the clamping tool.

Preferably, the sliding guide rod of the moving mechanism is further sleeved with a floating spring, and the floating springs are installed on two sides of the guide plate, so that the tapping mechanism slides along the sliding guide rod in a floating mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the tapping device is provided with a displacement detection mechanism, when a floating tap taps a workpiece under the action of a driving motor, a measuring head is attached to the surface of the workpiece, and along with the continuous tapping of the floating tap into the workpiece, a sliding sleeve drives the measuring head to slide along a sliding rod to be close to a displacement sensor, so that the tapping depth of the floating tap is indirectly measured by the displacement sensor according to the moving distance of the sliding sleeve, and the tapping depth is controlled by monitoring the tapping depth, so that the tapping device is suitable for products with strict requirements on the tapping depth;

2. when the tapping device is used for tapping a workpiece, the tapping mechanism is moved to be close to the workpiece by the moving cylinder of the moving mechanism until the front end of the floating tap is in contact with the workpiece, then the driving motor is started, the floating tap continuously taps into the workpiece in the rotating process, and in the tapping process of the floating tap, the moving cylinder does not act, and the tapping mechanism floats and slides along the sliding guide rod under the action of the guide plate, so that the problem that internal thread quality is uneven due to the fact that external force is applied to the tapping of the floating tap is avoided.

Drawings

FIG. 1 is a schematic diagram of a tapping device for tapping a bottle opening of a steel bottle, wherein the tapping device can measure tapping depth;

FIG. 2 is a schematic view of a tapping device according to the present utility model from a first perspective for measuring the tapping depth;

FIG. 3 is a schematic view of a tapping unit according to the present utility model from a second perspective for measuring the tapping depth;

FIG. 4 is a top view of a tapping unit according to the present utility model for measuring tapping depth;

FIG. 5 is a side view of a tapping unit according to the present utility model for measuring tapping depth;

FIG. 6 is a schematic diagram of the tapping mechanism and the displacement detection mechanism according to the present utility model;

FIG. 7 is a schematic view of the construction of the floating tap provided by the present utility model;

FIG. 8 is a schematic view of the internal structure of the floating tap provided by the present utility model;

fig. 9 is a schematic structural view of a moving mechanism provided by the present utility model.

In the figure: 1. a base; 2. clamping a tool; 3. a tapping mechanism; 4. a moving mechanism; 5. a displacement detection mechanism; 301. a driving motor; 302. a floating tap; 303. a connecting sleeve; 3021. a silk cone; 3022. a connecting rod; 3023. a connecting pin; 3024. a pressure spring; 401. a moving cylinder; 402. a sliding guide rod; 403. a guide plate; 404. a floating spring; 501. a displacement sensor; 502. measuring head; 503. a slipping sleeve; 504. a sliding rod; 505. and a return spring.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and specific examples. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Examples

The utility model provides a tapping device capable of measuring tapping depth, referring to fig. 1, which can be used for products with high tapping depth requirements such as steel bottle mouths, wherein the base 1 is provided with: the clamping tool 2 can be a hoop, a steel cylinder to be tapped is tightly held and fixed, and can also be other tools for clamping and fixing a workpiece to be tapped, and the main purpose is to fix the workpiece to be tapped, and the workpiece to be tapped can be replaced according to different workpieces;

further, referring to fig. 2 to 5, the base 1 is further provided with: a tapping mechanism 3, wherein the tapping mechanism 3 taps a workpiece through a tap; the moving mechanism 4 is connected with the tapping mechanism 3 and pushes the tapping mechanism 3 to approach or depart from the clamping tool 2 to clamp the fixed workpiece to be tapped; and a displacement detection mechanism 5, wherein the displacement detection mechanism 5 is arranged on the tapping mechanism 3 and is used for detecting the tapping depth of the tap.

Further, referring to fig. 6-8, the tapping mechanism 3 includes a driving motor 301 and a floating tap 302, the floating tap 302 is driven by the driving motor 301 to rotate, wherein the floating tap 302 includes a tap body 3021 and a connecting rod 3022, and the tap body 3021 and the connecting rod 3022 are rotatably connected through a connecting pin 3023.

Further, the tap body 3021 and the connecting end of the connecting rod 3022 are sleeved with a compression spring 3024, one end of the compression spring 3024 is in contact with a retainer ring fixed on the tap body 3021, the other end of the compression spring 3024 is in contact with a retainer ring fixed on the connecting rod 3022, and the compression spring 3024 is in a pre-tightening state between the two retainer rings.

The tapping mechanism 3 further comprises a connecting sleeve 303, one end of the connecting sleeve 303 is connected with an output shaft of the driving motor 301, the other end of the connecting sleeve 303 is connected with the connecting rod 3022, and power of the driving motor 301 is transmitted to the floating tap through the connecting sleeve 303.

With continued reference to fig. 5, the displacement detecting mechanism 5 includes a displacement sensor 501 and a measuring head 502, the measuring head 502 is mounted on a sliding sleeve 503, the sliding sensor 501 is connected with a sliding rod 504, the sliding sleeve 503 is sleeved on the sliding rod 504, and drives the measuring head 502 to slide along the sliding rod 504 to approach or separate from the displacement sensor 501.

The sliding rod 504 is sleeved with a return spring 505, one end of the return spring 505 is connected with the sliding sleeve 503, the other end of the return spring 505 is connected with the displacement sensor 501, and the return spring 505 is always in a pre-tightening state, so that the sliding sleeve 503 and the measuring head 502 are pushed to move towards a direction far away from the displacement sensor 501.

Specifically, one end of the measuring head 502 is connected with the sliding sleeve 503, a through hole for the floating tap 302 to pass through is formed at the other end, and in an initial state, the front end of the floating tap 302 is flush with the front end surface of the measuring head 502; when the floating tap 302 taps a workpiece under the action of the driving motor 301, the measuring head 502 is attached to the surface of the workpiece, and as the floating tap 302 continuously taps the workpiece, the sliding sleeve 503 drives the measuring head 502 to slide along the sliding rod 504 to be close to the displacement sensor 501, so that the tapping depth of the floating tap 302 is indirectly measured by the displacement sensor 501 according to the moving distance of the sliding sleeve 503.

Specifically, referring to fig. 9, the moving mechanism 4 includes a moving cylinder 401, a sliding guide rod 402 is connected to an end of a telescopic rod of the moving cylinder 401, the bottom of the tapping mechanism 3 slides along the sliding guide rod 402 through a guide plate 403, and under the action of the moving cylinder 401, the tapping mechanism 3 is driven to approach to the workpiece to be tapped, which is clamped and fixed by the clamping tool 2.

Further, the sliding guide rod 402 of the moving mechanism 4 is further sleeved with a floating spring 404, and the floating springs 404 are installed on two sides of the guide plate 403, so that the tapping mechanism 3 slides along the sliding guide rod 402 in a floating manner. When the tapping mechanism 3 taps a workpiece, the tapping mechanism 3 is moved close to the workpiece by the moving cylinder 401 of the moving mechanism 4 until the front end of the floating tap 302 contacts the workpiece, then the driving motor 301 is started, the floating tap 302 continuously taps the workpiece in the rotating process, and the moving cylinder 401 does not act in the tapping process of the floating tap 302, so that the tapping mechanism 3 slides in a floating manner along the sliding guide rod 402 under the action of the guide plate 403.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims

1. Tapping device capable of measuring tapping depth, comprising a base (1), and being characterized in that the base (1) is provided with:

the clamping tool (2) is used for clamping and fixing a workpiece to be tapped;

the tapping mechanism (3) is used for tapping the workpiece through a tap;

the moving mechanism (4) is connected with the tapping mechanism (3) and pushes the tapping mechanism (3) to be close to or far away from the clamping tool (2) to clamp a fixed workpiece to be tapped;

and the displacement detection mechanism (5) is arranged on the tapping mechanism (3) and is used for detecting the tapping depth of the tap.

2. Tapping device according to claim 1, characterized in that the tapping means (3) comprise a drive motor (301) and a floating tap (302), the floating tap (302) being rotated by the drive motor (301).

3. The tapping device capable of measuring tapping depth according to claim 2, wherein the floating tap (302) comprises a tap body (3021) and a connecting rod (3022), and the tap body (3021) and the connecting rod (3022) are rotatably connected through a connecting pin (3023).

4. A tapping device capable of measuring tapping depth according to claim 3, characterized in that a compression spring (3024) is sleeved at the connection end of the tap body (3021) and the connection rod (3022), one end of the compression spring (3024) is in contact with a retainer fixed on the tap body (3021), the other end is in contact with a retainer fixed on the connection rod (3022), and the compression spring (3024) is in a pre-tightening state between the two retainers.

5. A tapping device capable of measuring tapping depth as in claim 3, wherein the tapping mechanism (3) further comprises a connecting sleeve (303), one end of the connecting sleeve (303) is connected with the output shaft of the driving motor (301), the other end is connected with the connecting rod (3022), and the power of the driving motor (301) is transmitted to the floating tap (302) through the connecting sleeve (303).

6. A tapping device capable of measuring tapping depth according to claim 2, wherein the displacement detection mechanism (5) comprises a displacement sensor (501) and a measuring head (502), the measuring head (502) is mounted on a sliding sleeve (503), the sliding sleeve (503) is sleeved on the sliding rod (504), and the measuring head (502) is driven to slide along the sliding rod (504) to be close to or far away from the displacement sensor (501).

7. A tapping device according to claim 6, wherein a return spring (505) is sleeved on the sliding rod (504), one end of the return spring (505) is connected with the sliding sleeve (503), and the other end is connected with the displacement sensor (501).

8. A tapping device capable of measuring tapping depth as in claim 6, wherein one end of the gauge head (502) is connected to the sliding sleeve (503), the other end is provided with a through hole through which the floating tap (302) passes, and the front end of the floating tap (302) is flush with the front end surface of the gauge head (502) in the initial state.

9. The tapping device capable of measuring tapping depth according to claim 1, wherein the moving mechanism (4) comprises a moving cylinder (401), a sliding guide rod (402) is connected to the end portion of a telescopic rod of the moving cylinder (401), the bottom of the tapping mechanism (3) slides along the sliding guide rod (402) through a guide plate (403), and the tapping mechanism (3) is driven to approach a workpiece to be tapped, which is clamped and fixed by the clamping tool (2) under the action of the moving cylinder (401).

10. Tapping device according to claim 9, characterized in that the sliding guide (402) of the moving mechanism (4) is further provided with a floating spring (404), the floating spring (404) being mounted on both sides of the guide plate (403) so that the tapping mechanism (3) slides floatingly along the sliding guide (402).