Special machining tool rest for sparking plug and oil sprayer spacer bush

By designing a dedicated machining tool holder for spark plugs and injector spacers, and using a PLC controller and infrared sensors to achieve automatic tool changing, the problem of low tool changing efficiency in existing technologies is solved, and machining accuracy and stability are improved.

CN223748572UActive Publication Date: 2026-01-02WUXI CHUANGJIE AUTO COMPONENT CO LTD
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Patent Information

Application Number
CN202520206507.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-02
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

The existing machine tool tool holders require manual tool changing, resulting in low machining efficiency for spark plugs and fuel injector spacers, and making it difficult to guarantee machining accuracy.

Method used

Design a special machining tool holder for spark plugs and fuel injector spacers. It uses a PLC controller and infrared sensors to achieve automatic tool changing. The positioning cylinder drives the positioning mandrel to engage with the positioning hole, ensuring precise positioning and reinforcement of the tool disc and improving machining accuracy.

Benefits of technology

Automatic tool changing for spark plugs and injector bushings has been achieved, improving machining efficiency and accuracy, preventing tool turret wobbling, and enhancing the stability of the machining process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The special machining tool rest for the sparking plug and the oil sprayer spacer bush comprises a speed change gear box, a rotating motor in transmission connection with the power input end of the speed change gear box is installed on the side edge of the speed change gear box, an output shaft is installed at the power output end of the speed change gear box, and a cutter head is installed at the top end of the output shaft. A positioning module is installed between the speed change gear box and the output shaft, a PLC is installed on the rotating motor, and the PLC is electrically connected with the rotating motor and the positioning module. A corresponding turning tool on the cutterhead can accurately stay at a machining part, automatic tool changing is achieved, the positioning air cylinder drives the positioning ejector head to be clamped into the positioning hole, the cutterhead is reinforced, the machining precision is improved, and the cutterhead is prevented from shaking in the machining process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spacer sleeve processing, in particular to a special processing tool rest for spark plug and oil atomizer spacer sleeve. BACKGROUND

[0002] The gasoline engine adopts a central direct injection fuel system, and the spark plug and the oil atomizer are installed at the central part of the combustion chamber. After the fuel is sprayed from the oil atomizer, it will be immediately connected to the ignition point of the spark plug to ignite the fuel to generate power. The spark plug and the oil atomizer need to use a spacer sleeve when installed on the gasoline engine to ensure the sealing of the connection. The spacer sleeve needs to be processed by a machine tool during production.

[0003] At present, the tool rest on the old-fashioned general machine tool needs to replace the processing tool when processing the next process. Only one blade can be installed on the traditional tool rest, and when the processing and manufacturing of a part require multiple processing techniques, the blade needs to be replaced constantly, and the replacement of the blade is manually performed, which reduces the processing efficiency of the part. Therefore, it is necessary to design a special processing tool rest for spark plug and oil atomizer spacer sleeve. SUMMARY

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a special processing tool rest for spark plug and oil atomizer spacer sleeve, so that the corresponding turning tool on the tool disc can be accurately stopped at the processing part, automatic tool changing is realized, the positioning cylinder drives the positioning top to be clamped into the inside of the positioning hole, the tool disc is reinforced, the processing precision is improved, and the tool disc is prevented from shaking during processing.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a special processing tool rest for spark plug and oil atomizer spacer sleeve, comprising a variable speed gear box, the side of the variable speed gear box is provided with a rotary motor which is in transmission connection with the power input end of the variable speed gear box, the power output end of the variable speed gear box is provided with an output shaft, the top end of the output shaft is provided with a tool disc;

[0006] A positioning module is installed between the variable speed gear box and the output shaft, a PLC controller is installed on the rotary motor, and the PLC controller is electrically connected with the rotary motor and the positioning module.

[0007] Preferably, the positioning module comprises a positioning cylinder fixed on the variable speed gear box through a cylinder frame, a positioning top is fixed to the telescopic end of the positioning cylinder, and an infrared receiver is installed in the inside of the positioning top.

[0008] The positioning disc is fixed on the side edge of the cutter head on the output shaft, equidistant positioning holes are arranged around the positioning disc, an infrared emitter is arranged in the positioning hole, the infrared emitter is signal connected with an infrared receiver, the infrared receiver is electrically connected with the input end of a PLC controller, and the output end of the PLC controller is electrically connected with a rotating motor and a positioning cylinder.

[0009] Preferably, the positioning hole on the positioning disc is opposite to the cutter seat on the cutter head.

[0010] Preferably, the cutter head comprises a disc seat fixed on the top end of the output shaft, the disc seat is sleeved with a cutter holder, equidistant cutter seats are arranged on the outer periphery of the cutter holder, through bolt holes are arranged on the outer periphery of the cutter holder, and positioning screws in contact with the outer periphery of the disc seat are screwed in the bolt holes.

[0011] Preferably, the disc seat is integrally formed with a guide head on the outer periphery, and the guide head is clamped into the guide groove on the inner wall of the cutter holder.

[0012] The utility model discloses the beneficial effects of:

[0013] The corresponding turning tool on the cutter head can be accurately stopped at the machining position, automatic tool changing is realized, the positioning cylinder drives the positioning head to be clamped into the positioning hole, the cutter head is reinforced, the machining precision is improved, and the cutter head is prevented from shaking in the machining process. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0015] Figure 1 It is the whole plane structure schematic view of the utility model,

[0016] Figure 2 It is the cutter head plane structure schematic view of the utility model,

[0017] Figure 3 It is the positioning head area sectional plane structure schematic view of the utility model,

[0018] In the drawing, 1 is a gear box, 2 is a rotating motor, 3 is an output shaft, 4 is a cutter head, 41 is a disc seat, 42 is a cutter holder, 43 is a cutter seat, 44 is a bolt hole, 45 is a positioning screw, 46 is a guide groove, 47 is a guide head, 5 is a PLC controller, 6 is a positioning module, 61 is a cylinder frame, 62 is a positioning cylinder, 63 is a positioning head, 64 is a positioning disc, 65 is a positioning hole, 66 is an infrared emitter, and 67 is an infrared receiver. DETAILED DESCRIPTION

[0019] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature and not limiting.

[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0021] The technical solutions of the present application will be described clearly and completely in conjunction with the drawings below.

[0022] Embodiment one

[0023] By Figure 1 , Figure 2 and Figure 3 The present application provides the following technical solutions: a spark plug and an oil injector spacer sleeve special machining tool holder, comprising a variable speed gear box 1, a rotary motor 2 is mounted on the side of the variable speed gear box 1 and is in driving connection with the power input end of the variable speed gear box 1, a power output end of the variable speed gear box 1 is provided with an output shaft 3, and a top end of the output shaft 3 is provided with a cutter head 4.

[0024] The positioning module 6 is installed between the variable speed gear box 1 and the output shaft 3, the PLC controller 5 is installed on the rotary motor 2, the PLC controller 5 is electrically connected with the rotary motor 2 and the positioning module 6, different types of turning tools are installed around the tool holder 4, when the turning tools are replaced according to the program set by the machine tool, the PLC controller 5 controls the infrared emitter 66 on the corresponding turning tool to start working, and synchronously controls the rotary motor 2 to work, drives the output shaft 3 to rotate through the variable speed gear box 1, so as to drive the tool holder 4 and the positioning disc 64 to rotate synchronously, when the infrared signal emitted by the infrared emitter 66 is received by the infrared receiver 67, the infrared receiver 67 transmits the received signal to the PLC controller 5, the PLC controller 5 processes and controls the rotary motor 2 to stop working, and controls the positioning cylinder 62 to start working, drives the positioning top 63 to be clamped into the inside of the positioning hole 65, so that the corresponding turning tool on the tool holder 4 can be accurately stopped at the machining position, realizes automatic tool changing, and the positioning cylinder 62 drives the positioning top 63 to be clamped into the inside of the positioning hole 65, plays a reinforcing role on the tool holder 4, improves the machining precision, and avoids the shaking of the tool holder 4 in the machining process.

[0025] Preferably, the positioning module 6 comprises the positioning cylinder 62 fixed on the variable speed gear box 1 through the cylinder frame 61, the telescopic end of the positioning cylinder 62 is fixed with the positioning top 63, and the inside of the positioning top 63 is installed with the infrared receiver 67;

[0026] The positioning disc 64 is fixed on the side edge of the output shaft 3 and located at the side of the tool holder 4, the positioning disc 64 is provided with the positioning hole 65 which is mutually buckled with the positioning top 63 at equal intervals around, the inside of the positioning hole 65 is installed with the infrared emitter 66, the infrared emitter 66 is signal connected with the infrared receiver 67, the infrared receiver 67 is electrically connected with the input end of the PLC controller 5, and the output end of the PLC controller 5 is electrically connected with the rotary motor 2 and the positioning cylinder 62, wherein the infrared emitter 66 in the inside of the positioning disc 64 is connected with the PLC controller 5 through the plurality of rotary connectors sleeved on the output shaft 3, signal transmission is realized, and signal transmission and power supply are ensured in the rotating process of the positioning disc 64.

[0027] Preferably, the positioning hole 65 on the positioning disc 64 is installed opposite to the tool seat 43 on the tool holder 4, accurate positioning of the tool holder 4 is realized.

[0028] Embodiment two

[0029] Reference Figure 1 and Figure 2As another preferred embodiment, the difference from the first embodiment is that the cutter head 4 comprises a disc seat 41 fixed at the top end of the output shaft 3, the disc seat 41 is sleeved with a cutter holder 42, the cutter holder 42 is provided with cutter seats 43 at equal distances on the outer periphery, the cutter holder 42 is provided with through bolt holes 44 on the four sides, the inside of the bolt holes 44 is screwed with positioning screws 45 in contact with the outer periphery of the disc seat 41, the cutter holder 42 is sleeved on the cutter seats 43 and is fixed by the positioning screws 45 passing through the bolt holes 44, so that the cutter holder 42 can be quickly replaced, and more types of turning tools can be installed.

[0030] Preferably, the disc seat 41 is integrally formed with a guide head 47 on the outer periphery, the guide head 47 is clamped inside the guide groove 46 on the inner wall of the cutter holder 42, and the guide head 47 and the guide groove 46 are arranged to guide the installation of the cutter holder 42, so that the cutter holder 42 can be accurately fixed on the disc seat 41.

[0031] Working principle:

[0032] Different types of turning tools are installed on the four sides of the cutter head 4, when the turning tools are replaced according to the program set by the machine tool, the PLC controller 5 controls the infrared emitter 66 on the corresponding turning tool to start working, and simultaneously controls the rotary motor 2 to work, and the rotary motor 2 drives the output shaft 3 to rotate through the variable speed gear box 1, so as to drive the cutter head 4 and the positioning disc 64 to rotate synchronously, when the infrared signal emitted by the infrared emitter 66 is received by the infrared receiver 67, the infrared receiver 67 transmits the received signal to the PLC controller 5, the PLC controller 5 processes and controls the rotary motor 2 to stop working, and controls the positioning cylinder 62 to start working, drives the positioning top head 63 to be clamped into the inside of the positioning hole 65, so that the corresponding turning tool on the cutter head 4 can be accurately stopped at the machining position, realizes automatic tool changing, and the positioning cylinder 62 drives the positioning top head 63 to be clamped into the inside of the positioning hole 65, so as to reinforce the cutter head 4, improve the machining precision, and avoid the cutter head 4 from shaking during the machining process.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tool holder for spark plug and oil jet bushing machining, comprising a variable speed gear box (1), characterized in that: The side of the variable speed gear box (1) is provided with a rotary motor (2) which is in driving connection with the power input end of the variable speed gear box (1), and the power output end of the variable speed gear box (1) is provided with an output shaft (3), and the top end of the output shaft (3) is provided with a cutter head (4); A positioning module (6) is arranged between the variable speed gear box (1) and the output shaft (3), and a PLC controller (5) is arranged on the rotary motor (2), and the PLC controller (5) is electrically connected with the rotary motor (2) and the positioning module (6).

2. The machining tool rest for spark plug and oil atomizer isolating sleeve according to claim 1, characterized in that: The positioning module (6) comprises a positioning cylinder (62) fixed on the variable speed gear box (1) through a cylinder frame (61), and a positioning top head (63) is fixed to the telescopic end of the positioning cylinder (62), and an infrared receiver (67) is arranged in the positioning top head (63); A positioning disc (64) is fixed to the side of the output shaft (3) and located at the side of the cutter head (4), a plurality of positioning holes (65) which are mutually buckled with the positioning top head (63) are equidistantly arranged around the positioning disc (64), an infrared emitter (66) is arranged in the positioning hole (65), the infrared emitter (66) is in signal connection with the infrared receiver (67), the infrared receiver (67) is in electrical connection with the input end of the PLC controller (5), and the output end of the PLC controller (5) is in electrical connection with the rotary motor (2) and the positioning cylinder (62).

3. The machining tool rest for spark plug and oil atomizer isolator sleeve according to claim 2, characterized in that: The positioning hole (65) on the positioning disc (64) is arranged opposite to the cutter seat (43) on the cutter head (4).

4. The machining tool rest for spark plug and oil atomizer isolator sleeve according to claim 1, characterized in that: The cutter head (4) comprises a disc seat (41) fixed to the top end of the output shaft (3), the disc seat (41) is sleeved with a cutter holder (42), a plurality of cutter seats (43) are equidistantly arranged on the outer periphery of the cutter holder (42), a plurality of through bolt holes (44) are formed around the cutter holder (42), and a positioning screw (45) in contact with the outer periphery of the disc seat (41) is screwed in the bolt hole (44).

5. The machining tool holder for spark plug and oil atomizer isolator sleeve according to claim 4, characterized in that: The outer periphery of the disc seat (41) is integrally formed with a guide head (47), and the guide head (47) is clamped into the guide groove (46) in the inner wall of the cutter holder (42).