Full-automatic tapping machine for filter housing mounting hole processing

By using the linkage structure of the inner and outer ring elastic elements of the fully automatic tapping machine, the forward and reverse rotation of the tap is automatically controlled, which solves the problem of cumbersome manual control in existing tapping machines and improves the stability and efficiency of the tapping machine.

CN120755430BActive Publication Date: 2026-01-02HUANGSHAN HAOTEDA FILTER CO LTD
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Patent Information

Application Number
CN202511095003.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2026-01-02
Estimated Expiration
2045-08-06

AI Technical Summary

Technical Problem

Existing tapping machines require manual control of forward and reverse rotation during tapping operations, which is cumbersome and inefficient. Furthermore, the timing of manual control is difficult to grasp, leading to increased wasted work and poor stability and reliability.

Method used

The fully automatic tapping machine uses the elastic linkage structure of the inner and outer ring sleeves to automatically control the forward and reverse rotation of the tap by utilizing the contact and meshing state between the tap and the filter housing. This reduces human intervention, precisely controls the timing of forward and reverse rotation, and minimizes wasted work.

Benefits of technology

It achieves automatic control of the tap's forward and reverse rotation, reduces wasted work, improves the stability and reliability of the tapping machine, simplifies the operation steps, and increases efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of tapping machines, and discloses a full-automatic tapping machine for filter shell mounting hole machining, which comprises a transmission shaft, an inner ring groove I is formed in the middle part of the transmission shaft, an inner ring sleeve is movably sleeved in the inner ring groove I, a first elastic member is movably sleeved on the top of the outer surface of the transmission shaft and located on the shaft shoulder, the transmission shaft is in transmission connection with the inner ring sleeve through the first elastic member, and an outer ring sleeve is movably sleeved on the outer surface of the inner ring sleeve. The full-automatic tapping machine for filter shell mounting hole machining can control the forward rotation or reverse rotation of a tap by forcing the inner ring sleeve to move upward or downward when tapping operation is carried out, and can cut off the forward rotation state of the tap according to the shearing force received by the tap, so that the tapping machine can accurately grasp the forward rotation and reverse rotation time when the tapping operation is carried out, and useless work of the tapping machine is effectively reduced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tapping machines, in particular to a full-automatic tapping machine for filter shell mounting hole processing. BACKGROUND

[0002] As an important accessory in an engine, a filter plays a role in filtering impurities or gas in the lubrication, combustion and air intake system of the engine, thereby effectively prolonging the service life of the parts, and due to the filtering effect of the filter, the filter needs to be replaced after a long period of use, so that the filter is usually connected in a threaded manner during installation to facilitate disassembly and assembly operations.

[0003] However, the existing tapping machine needs to rotate the tap in the reverse direction to withdraw it after tapping due to the characteristics of thread engagement, so that the operator needs to constantly control the forward and reverse rotation of the tapping machine during tapping operation, the operation steps are relatively complicated, the efficiency of manually controlling the forward and reverse rotation of the tap is relatively low, and the timing of manually controlling the forward and reverse rotation of the tapping machine is difficult to grasp, so that the tapping machine often appears useless work, which increases the energy consumption of the tapping machine, and the stability and reliability are poor.

[0004] Therefore, a transmission structure for a tapping machine is needed to solve the above-mentioned defects of the existing tapping machine in actual use. SUMMARY

[0005] The application provides a full-automatic tapping machine for filter shell mounting hole processing, which can automatically control the forward and reverse rotation of the tap according to the position state of the tap, does not need human intervention for regulation and control, and accurately controls the timing of the forward and reverse rotation of the tap, effectively reduces the useless work of the tapping machine, and has high stability and reliability, thereby solving the problem that the tap needs to be rotated in the reverse direction to withdraw it after tapping due to the characteristics of thread engagement, so that the operator needs to constantly control the forward and reverse rotation of the tapping machine during tapping operation, the operation steps are relatively complicated, the efficiency of manually controlling the forward and reverse rotation of the tap is relatively low, and the timing of manually controlling the forward and reverse rotation of the tapping machine is difficult to grasp, so that the tapping machine often appears useless work.

[0006] To achieve the above object, the present application adopts the following technical scheme: A kind of full-automatic tapping machine for filter shell mounting hole processing, including the transmission shaft of the top with power output mechanism fixed connection, and the tap for being used to the tapping operation of filter shell is clamped in the bottom of transmission shaft, the middle part of transmission shaft is equipped with inner ring groove I, and inner ring sleeve is movably sleeved in inner ring groove I, simultaneously, the top of transmission shaft outer surface is equipped with shaft shoulder, the top of transmission shaft outer surface and the shaft shoulder on movable sleeve are equipped with first elastic member, and transmission connection between transmission shaft and inner ring sleeve is achieved by first elastic member, so that inner ring sleeve always keeps the tendency of moving upward under the elastic force of first elastic member, and the positive rotation of power output mechanism is controlled by the mutual movement between transmission shaft and inner ring sleeve during the process that operator moves inner ring sleeve downward to tap;

[0007] The outer surface of the inner ring sleeve is movably sleeved with an outer ring sleeve, and an inner ring groove II is formed in the bottom of the inner wall of the outer ring sleeve. Meanwhile, an annular protrusion is fixedly installed on the bottom of the outer surface of the inner ring sleeve. A second elastic member is movably sleeved on the outer surface of the inner ring sleeve and located on the annular protrusion. The transmission connection between the inner ring sleeve and the outer ring sleeve is achieved through the second elastic member. Thus, the outer ring sleeve always keeps the tendency of moving upward under the elastic force of the second elastic member. During the process that the operator moves the outer ring sleeve upward to withdraw the tap, the reverse rotation of the power output mechanism is controlled by the mutual movement between the inner ring sleeve and the outer ring sleeve.

[0008] Further, a first carbon ring is fixedly sleeved on the bottom of the inner ring groove I, and a first conductive ring is fixedly sleeved on the bottom of the inner wall of the inner ring sleeve. The current loop for controlling the forward rotation of the transmission shaft is formed between the first carbon ring and the first conductive ring. When the first carbon ring and the first conductive ring are in contact, the power is triggered. When the tap contacts the hole position on the filter shell, the operator continuously drives the transmission shaft and the structures thereon to move downward through the outer ring sleeve. Due to the blockage of the filter shell, the transmission shaft and the inner ring sleeve move relative to each other and compress the first elastic member until the first carbon ring and the first conductive ring come into contact and trigger the forward rotation of the power output mechanism. Thus, the tap at the bottom end of the transmission shaft is driven to rotate forward to perform the tapping operation on the filter shell.

[0009] After the tapping operation on the hole position of the filter shell is completed, the tap and the tap on the transmission shaft will quickly move downward due to the absence of shearing action. Under the elastic force of the first elastic member in the compressed state, the first carbon ring and the first conductive ring are separated from each other and cut off the current loop for the forward rotation of the transmission shaft.

[0010] Further, the top of the outer ring sleeve is fixedly installed with a second conductive ring, and a second carbon ring is fixedly sleeved on the top of the outer surface of the inner ring sleeve, and a current loop for controlling the reverse rotation of the transmission shaft is formed between the second carbon ring and the second conductive ring, and the power output mechanism is triggered when the second carbon ring and the second conductive ring are electrified and contacted, and after the tapping of the hole position on the filter housing is completed, the operator drives the transmission shaft and the structure on the transmission shaft to move upward, and the tap is engaged with the threaded hole on the filter housing, so that the inner ring sleeve and the outer ring sleeve move relative to each other, so that the second conductive ring and the second carbon ring are contacted and triggered to reverse the power output mechanism, and then drive the tap at the bottom end of the transmission shaft to reverse to exit from the threaded hole on the filter housing.

[0011] Further, initially, under the influence of external force, the outer ring sleeve is compressed downward by the second elastic element under the action of gravity, so that the second carbon ring and the second conductive ring are not in contact, and thus the power output mechanism is prevented from driving the transmission shaft and the tap thereon to reverse in normal circumstances.

[0012] Further, the maximum compression displacement of the first elastic element is greater than the maximum distance between the first carbon ring and the first conductive ring, so that the first carbon ring and the first conductive ring can be in contact during the mutual displacement between the transmission shaft and the inner ring sleeve and the compression of the first elastic element, so that the tapping machine is not prone to poor contact during normal operation.

[0013] Further, the bottom end of the transmission shaft is fixedly installed with a clamping sleeve for clamping the tap, so that the tapping machine can be adapted to different specifications and models of taps, thereby effectively improving the application range of the tapping machine.

[0014] Further, a handle assembly is fixedly installed on one side of the outer surface of the outer ring sleeve for controlling the upward and downward movement of the outer ring sleeve during tapping operation.

[0015] The present application has the following advantages:

[0016] The full-automatic tapping machine for processing filter housing mounting hole provided by the present application can control the forward rotation or reverse rotation of the tap by forcing the inner ring sleeve to move upward or downward by the operator during tapping operation, without the need for manual intervention to control the forward and reverse rotation of the tap. At the same time, the forward rotation state of the tap can be cut off according to the shear force received by the tap, so that the tapping machine can accurately grasp the timing of forward and reverse rotation during tapping operation, effectively reducing the useless work of the tapping machine, and the stability and reliability of the machine are high. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the technical solutions in the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only aim at the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative effort on the basis of the provided drawings.

[0018] Figure 1 Structure diagram of the present application;

[0019] Figure 2 Front view of the structure of the present application;

[0020] Figure 3 Structure diagram of the transmission shaft of the present application;

[0021] Figure 4 Structure diagram of the inner ring sleeve of the present application;

[0022] Figure 5 Structure diagram of the outer ring sleeve of the present application;

[0023] Figure 6 Structure of the present application Figure 1 Enlarged view of A in the structure of the present application;

[0024] Figure 7 Enlarged view of B in the structure of the present application Figure 1 .

[0025] In the figure: 1-transmission shaft, 2-inner ring groove I, 3-shoulder, 4-inner ring sleeve, 5-first elastic member, 6-annular protrusion, 7-outer ring sleeve, 8-second elastic member, 9-inner ring groove II, 10-first carbon ring, 11-first conductive ring, 12-second carbon ring, 13-second conductive ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0027] As shown in Figure 1 , Figure 2 , a full-automatic tapping machine for filter shell mounting hole processing includes a transmission shaft 1 fixedly connected with a power output mechanism at the top end, and a tap for tapping operation on the filter shell is clamped at the bottom end of the transmission shaft 1, such as Figures 3-5 ​As shown, the middle part of the transmission shaft 1 is provided with an inner ring groove I 2, and an inner ring sleeve 4 is movably sleeved in the inner ring groove I 2. Meanwhile, the top of the outer surface of the transmission shaft 1 is provided with a shaft shoulder 3, and the top of the outer surface of the transmission shaft 1 and the shaft shoulder 3 are movably sleeved with a first elastic member 5. The transmission shaft 1 and the inner ring sleeve 4 are connected through the first elastic member 5. Under the elastic force of the first elastic member 5, the inner ring sleeve 4 always tends to move upward. During the process of moving the inner ring sleeve 4 downward for tapping operation by the operator, the transmission shaft 1 and the inner ring sleeve 4 are moved to control the forward rotation of the power output mechanism.

[0028] The outer surface of the inner ring sleeve 4 is movably sleeved with an outer ring sleeve 7, and the bottom of the inner wall of the outer ring sleeve 7 is provided with an inner ring groove II 9. Meanwhile, the bottom of the outer surface of the inner ring sleeve 4 is fixedly installed with an annular protrusion 6, and the outer surface of the inner ring sleeve 4 and the annular protrusion 6 are movably sleeved with a second elastic member 8. The inner ring sleeve 4 and the outer ring sleeve 7 are connected through the second elastic member 8. Under the elastic force of the second elastic member 8, the outer ring sleeve 7 always tends to move upward. During the process of moving the outer ring sleeve 7 upward to exit the tap by the operator, the inner ring sleeve 4 and the outer ring sleeve 7 are moved to control the reverse rotation of the power output mechanism.

[0029] As shown in Figure 3 , Figure 4 and Figure 6 , in the technical solution, the bottom of the inner ring groove I 2 is fixedly sleeved with a first carbon ring 10, and the bottom of the inner wall of the inner ring sleeve 4 is fixedly sleeved with a first conductive ring 11. The first carbon ring 10 and the first conductive ring 11 form a current loop for controlling the forward rotation of the transmission shaft 1. When the first carbon ring 10 and the first conductive ring 11 are in contact, the power output mechanism is triggered by power. When the tap and the hole position on the filter shell are in contact, the operator continuously drives the transmission shaft 1 and the structure thereon to move downward through the outer ring sleeve 7. Due to the blockage of the filter shell, the transmission shaft 1 and the inner ring sleeve 4 are moved and the first elastic member 5 is compressed. Until the first carbon ring 10 and the first conductive ring 11 are in contact and the power output mechanism is triggered to rotate forward, the tap located at the bottom end of the transmission shaft 1 is rotated to tap the filter shell;

[0030] After tapping the hole position on the filter shell, there is no shearing action, so that the tap and the tap on the transmission shaft 1 will quickly move downward. Under the elastic force of the first elastic member 5 in the compressed state, the first carbon ring 10 and the first conductive ring 11 are separated from each other and the current loop for the forward rotation of the transmission shaft 1 is cut off.

[0031] As shown in Figure 4 , Figure 5 and Figure 7As shown in the technical solution, the top of the outer ring 7 is fixedly installed with a second conductive ring 13, and the top of the outer surface of the inner ring 4 is fixedly sleeved with a second carbon ring 12, and a current loop for reversing the transmission shaft 1 is formed between the second carbon ring 12 and the second conductive ring 13, and when the second carbon ring 12 and the second conductive ring 13 are in contact, power is triggered, and when the tapping of the hole position on the filter housing is completed, the operator drives the transmission shaft 1 and the structure on it to move upwards, because the tap is engaged with the threaded hole on the filter housing, the inner ring 4 and the outer ring 7 are moved relative to each other, the second conductive ring 13 and the second carbon ring 12 are in contact and trigger the power output mechanism to reverse, and then drive the tap at the bottom end of the transmission shaft 1 to reverse to exit from the threaded hole on the filter housing.

[0032] As shown in the technical solution, Figure 1 , Figure 7 As shown in the technical solution, initially, under the influence of external force, the outer ring 7 is compressed downward by the second elastic element 8 under the action of gravity, so that the second carbon ring 12 and the second conductive ring 13 do not contact, and thus it is ensured that under normal circumstances, the power output mechanism will not drive the transmission shaft 1 and the tap thereon to reverse.

[0033] In the technical solution, the maximum compression displacement of the first elastic element 5 is greater than the maximum distance between the first carbon ring 10 and the first conductive ring 11, and thus it is ensured that the first carbon ring 10 and the first conductive ring 11 can be in contact during the mutual displacement and compression of the transmission shaft 1 and the inner ring 4, so that the tapping machine is not prone to poor contact during normal operation.

[0034] In the technical solution, the bottom end of the transmission shaft 1 is fixedly installed with a clamping sleeve for clamping the tap, and thus through the arrangement of the clamping sleeve, the tapping machine can be adapted to different specifications and models of taps, so as to effectively improve the application range of the tapping machine.

[0035] As shown in the technical solution, Figure 5 In the technical solution, one side of the outer surface of the outer ring 7 is fixedly installed with a handle assembly for controlling the up and down movement of the outer ring 7 during tapping operation.

[0036] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A full-automatic tapping machine for filter housing mounting hole processing, comprising a transmission shaft (1), and a tap is clamped at the bottom end of the transmission shaft (1), characterized in that: The middle part of the transmission shaft (1) is provided with an inner ring groove I (2), and an inner ring sleeve (4) is movably sleeved in the inner ring groove I (2); meanwhile, an axle shoulder (3) is arranged on the top of the outer surface of the transmission shaft (1), a first elastic member (5) is movably sleeved on the top of the outer surface of the transmission shaft (1) and located on the axle shoulder (3), and the transmission shaft (1) is in transmission connection with the inner ring sleeve (4) through the first elastic member (5); the outer surface of the inner ring sleeve (4) is movably sleeved with an outer ring sleeve (7), the bottom of the inner wall of the outer ring sleeve (7) is provided with an inner ring groove II (9), and a ring-shaped protrusion (6) is fixedly installed on the bottom of the outer surface of the inner ring sleeve (4); the outer surface of the inner ring sleeve (4) and located on the ring-shaped protrusion (6) is movably sleeved with a second elastic member (8), and the inner ring sleeve (4) is in transmission connection with the outer ring sleeve (7) through the second elastic member (8).

2. The full-automatic tapping machine for filter housing mounting hole processing according to claim 1, characterized in that, The bottom of the inner ring groove I (2) is fixedly sleeved with a first carbon ring (10), the bottom of the inner wall of the inner ring sleeve (4) is fixedly sleeved with a first conductive ring (11), and the first carbon ring (10) and the first conductive ring (11) form a current loop for controlling the forward rotation of the transmission shaft (1), and are triggered by power when they are in contact.

3. The full-automatic tapping machine for filter housing mounting hole processing according to claim 1, characterized in that, The top of the outer ring sleeve (7) is fixedly installed with a second conductive ring (13), and the top of the outer surface of the inner ring sleeve (4) is fixedly sleeved with a second carbon ring (12); the second carbon ring (12) and the second conductive ring (13) form a current loop for controlling the reverse rotation of the transmission shaft (1), and are triggered by power when they are in contact.

4. The full-automatic tapping machine for filter housing mounting hole processing according to claim 3, characterized in that, At the beginning, under the influence of external force, the outer ring sleeve (7) is compressed downward under the action of gravity, so that the second carbon ring (12) and the second conductive ring (13) are not in contact.

5. The full-automatic tapping machine for filter housing mounting hole processing according to claim 2 or 3, characterized in that, The maximum compression displacement of the first elastic member (5) is greater than the maximum distance between the first carbon ring (10) and the first conductive ring (11), so as to ensure that the first carbon ring (10) and the first conductive ring (11) are in contact during the mutual displacement and compression of the transmission shaft (1) and the inner ring sleeve (4).

6. The full-automatic tapping machine for filter housing mounting hole processing according to claim 1, characterized in that, The bottom end of the transmission shaft (1) is fixedly installed with a clamping sleeve for clamping a tap, so that the tapping machine is suitable for different specifications and models of taps through the arrangement of the clamping sleeve.

7. The full-automatic tapping machine for filter housing mounting hole processing according to claim 1, characterized in that, One side of the outer surface of the outer ring sleeve (7) is fixedly installed with a handle assembly for controlling the up-down movement of the outer ring sleeve (7) during tapping operation.

Citation Information

Patent Citations

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