A positioning device for internal thread thin tooth processing process

Abstract

The utility model relates to the technical field of internal thread thin tooth processing, especially to a kind of internal thread thin tooth processing technology positioning device, it include: bracing plate, two positioning mechanisms are provided on bracing plate, and positioning mechanism is used to position the pipe fitting to be processed;Wherein, positioning mechanism includes: bracing seat, bracing seat is fixedly installed on bracing plate, and bracing seat top end is provided with arc groove;Support frame, fixedly installed on the side wall of bracing seat;Hinged support, hinged support is slidably arranged on support frame;Transmission block, swing setting is in hinged support;Cover, fixedly installed on transmission block, and arc groove is provided on the clamping end surface of cover;Cylinder, vertically fixedly installed on bracing seat;Hinged block, hingedly connected with transmission block inner side wall, is slidably arranged on bracing seat, and the up-down movement is controlled by cylinder, and is hingedly connected with cylinder output rod;It can improve the processing accuracy of internal thread thin tooth.

Description

Technical Field

[0001] This utility model relates to the technical field of internal thread thinning machining, and in particular to a positioning device for internal thread thinning machining process. Background Technology

[0002] In the air conditioning manufacturing industry, with continuous technological advancements and increasingly higher consumer demands for air conditioning performance, the precision and quality of air conditioning components have become key factors affecting the overall performance and lifespan of air conditioners. Among these, some pipe fittings involved in critical processes such as refrigerant circulation and airflow distribution often require the use of internally threaded, slender-tooth structures.

[0003] The internally threaded, slender-tooth structure plays a crucial role in air conditioning pipe fittings. For example, in the evaporator and condenser of an air conditioner, the internally threaded, slender-toothed tube significantly increases the contact area between the refrigerant and the tube wall, improving heat exchange efficiency and thus enhancing the cooling or heating performance of the air conditioner. Simultaneously, this structure also strengthens the pipe fittings and improves sealing, reducing the risk of refrigerant leakage and ensuring the stable operation of the air conditioning system.

[0004] However, machining thin internal threads is quite difficult and requires extremely high positioning accuracy during the process. In the production of air conditioning pipe fittings, inaccurate positioning can lead to dimensional deviations and irregular tooth shapes in the machined thin internal threads. These problems directly affect the heat exchange and sealing performance of the fittings, resulting in decreased cooling or heating efficiency, increased energy consumption, and even potential safety hazards such as refrigerant leaks. This seriously impacts the quality and reliability of the air conditioning system, thus necessitating a positioning device for machining thin internal threads. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a positioning device for machining thin internal threads, which can improve the machining accuracy of thin internal threads.

[0006] This utility model discloses a positioning device for machining thinner teeth in internal threads, comprising:

[0007] The support plate is equipped with two positioning mechanisms, which are used to position the pipe fittings to be processed.

[0008] The positioning mechanisms include:

[0009] The support base is fixedly installed on the support plate, and the top of the support base is provided with an arc-shaped groove;

[0010] The support frame is fixedly installed on the side wall of the support base;

[0011] Hinged support, which is slidably mounted on the support frame.

[0012] The transmission block is oscillatingly mounted on a hinged support;

[0013] The pressure cap is fixedly installed on the transmission block, and an arc-shaped groove is provided on the clamping end face of the pressure cap;

[0014] The cylinder is vertically and fixedly mounted on the support bracket;

[0015] The hinge block is mounted on the support base and moves up and down. It is controlled by a cylinder to move up and down and is hinged to the cylinder output rod. The hinge block is also hinged to the inner wall of the transmission block.

[0016] As a preferred embodiment of this utility model, the support plate is provided with two auxiliary blocks, and the top of the auxiliary blocks is provided with an arc-shaped groove, which is coaxial with the arc-shaped groove on the support base.

[0017] As a preferred embodiment of this utility model, two guide grooves are symmetrically arranged on both sides of the hinged support, and two guide rods are symmetrically arranged in the support frame. The two guide grooves are slidably matched with the two guide rods respectively.

[0018] As a preferred embodiment of this utility model, a spring is provided in the support frame, and the top end of the spring is fixedly connected to the bottom end of the hinged support.

[0019] As a preferred embodiment of this utility model, a guide block is provided on the inner side wall of the support frame, and the output rod of the cylinder is slidably inserted into the guide block.

[0020] As a preferred embodiment of this utility model, a partition cover is provided on the support plate. The partition cover is used to isolate the positioning mechanism from the processing area, and two through holes are provided on the partition cover.

[0021] As a preferred embodiment of this utility model, a slag collection hopper is connected to the bottom end of the support plate, and the slag collection hopper has two slag inlets, which correspond to two processing areas.

[0022] As a preferred embodiment of this utility model, protective rubber pads are provided on the arc-shaped grooves of both the support base and the pressure cap.

[0023] Compared with the prior art, the beneficial effects of this utility model are as follows: the arc-shaped groove at the top of the support seat and the arc-shaped groove on the clamping end face of the pressure cap can fit well with the shape of the pipe fitting. The pressure cap is driven by the cylinder to clamp the pipe fitting, which can accurately fix the pipe fitting in the predetermined position, effectively reducing the displacement and shaking of the pipe fitting during processing, thereby greatly improving the processing accuracy of the thin internal thread teeth. It solves the problems of dimensional deviation and irregular tooth shape of the thin internal thread teeth caused by inaccurate positioning, ensuring the heat exchange performance and sealing performance of the air conditioning pipe fitting, improving the cooling or heating effect of the air conditioner, reducing energy consumption, reducing safety hazards such as refrigerant leakage, and enabling quick positioning and loosening operations, thus improving production efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is an enlarged schematic diagram of the positioning mechanism;

[0026] Figure 3 This is a schematic diagram of the hinge block installation structure;

[0027] Figure 4 This is a schematic diagram of the structure of the guide groove and the guide rod.

[0028] Figure 5 This is a schematic diagram of the installation structure of the partition cover and the slag collection hopper;

[0029] The following are labels in the attached diagram: 1. Support plate; 11. Divider cover; 12. Through hole; 13. Slag hopper; 2. Positioning mechanism; 21. Support bracket; 22. Support frame; 23. Hinge support; 24. Transmission block; 25. Pressure cover; 26. Cylinder; 27. Hinge block; 28. Auxiliary support block; 2a. Guide groove; 2b. Guide rod; 2c. Spring; 2d. Guide block. Detailed Implementation

[0030] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0031] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Reference Figures 1-5 This embodiment provides a positioning device for machining thin internal threads, including:

[0033] Support plate 1, on which two positioning mechanisms 2 are provided, the positioning mechanisms 2 are used to position the pipe fitting to be processed;

[0034] The positioning mechanism 2 includes:

[0035] Support 21 is fixedly installed on support plate 1, and an arc groove is provided at the top of support 21;

[0036] The support frame 22 is fixedly installed on the side wall of the support base 21;

[0037] The hinged support 23 is slidably mounted on the support frame 22.

[0038] The transmission block 24 is oscillatingly mounted on the hinged support 23;

[0039] The pressure cap 25 is fixedly installed on the transmission block 24, and the clamping end face of the pressure cap 25 is provided with an arc groove;

[0040] Cylinder 26 is vertically fixedly mounted on support 21;

[0041] The hinge block 27 is mounted on the support 21 and moves up and down. It is controlled to move up and down by the cylinder 26 and is hinged to the output rod of the cylinder 26. The hinge block 27 is also hinged to the inner wall of the transmission block 24.

[0042] In this embodiment, the pipe to be processed is placed in the arc-shaped groove at the top of the support 21. The arc-shaped groove provides initial support and positioning for the pipe, limiting its horizontal movement. The cylinder 26 is activated, and its output rod retracts downwards, pulling the hinge block 27 downwards on the support 21. Since the hinge block 27 is hinged to the inner wall of the transmission block 24, its downward movement causes the transmission block 24 to swing around the hinge support 23. The swinging of the transmission block 24 causes the pressure cap 25 fixed to it to move downwards. The arc-shaped groove on the clamping end face of the pressure cap 25 gradually approaches the arc-shaped groove at the top of the support 21, ultimately clamping the pipe tightly and achieving precise positioning. After positioning and clamping, the pipe can be machined with internal thread thinning. Because the positioning device can... It provides high-precision positioning, ensuring that the pipe will not shift or wobble during processing, thus guaranteeing the machining accuracy of the thin internal thread. The arc-shaped groove at the top of the support 21 and the arc-shaped groove on the clamping end face of the pressure cap 25 can fit well with the shape of the pipe. The pressure cap 25 is driven by the cylinder 26 to clamp the pipe, which can accurately fix the pipe in the predetermined position, effectively reducing the displacement and wobble of the pipe during processing. This greatly improves the machining accuracy of the thin internal thread, solves the problems of dimensional deviation and irregular tooth shape caused by inaccurate positioning, ensures the heat exchange performance and sealing performance of the air conditioning pipe, improves the cooling or heating effect of the air conditioner, reduces energy consumption, reduces safety hazards such as refrigerant leakage, and can quickly complete the positioning and loosening operations, thus improving production efficiency.

[0043] As a preferred embodiment of the above technical solution, such as Figure 1 As shown, two auxiliary blocks 28 are provided on the support plate 1. The top of the auxiliary block 28 is provided with an arc-shaped groove, and the arc-shaped groove of the auxiliary block 28 is coaxial with the arc-shaped groove on the support base 21.

[0044] In this embodiment, the auxiliary support block 28 cooperates with the support seat 21 to provide additional support points for the pipe fitting. During processing, when the pipe fitting is subjected to external forces such as cutting forces, the auxiliary support block 28 can share part of the force, reducing the deformation and displacement of the pipe fitting caused by uneven force, so that the pipe fitting maintains a stable positioning state throughout the processing, further improving the processing accuracy of the thin internal thread teeth. The arc-shaped groove of the auxiliary support block 28 is coaxial with the arc-shaped groove on the support seat 21, ensuring that the pipe fitting can maintain the correct axial position during placement and processing. This avoids problems such as dimensional deviation and irregular tooth shape of the thin internal thread teeth caused by axial offset of the pipe fitting, ensuring the heat exchange performance and sealing performance of the air conditioning pipe fitting, thereby improving the cooling or heating effect of the air conditioner, reducing energy consumption, and reducing the risk of refrigerant leakage.

[0045] Specifically, such as Figure 4 As shown, two guide grooves 2a are symmetrically arranged on both sides of the hinged support 23, and two guide rods 2b are symmetrically arranged in the support frame 22. The two guide grooves 2a are slidably engaged with the two guide rods 2b respectively.

[0046] In this embodiment, the sliding fit between the guide groove 2a and the guide rod 2b provides precise guidance for the up-and-down movement of the hinge support 23, enabling the hinge support 23 to move strictly along the predetermined trajectory during the movement, reducing the situation of inaccurate positioning of the pressure cap 25 due to movement deviation, and improving the machining accuracy of the thin internal thread teeth.

[0047] More specifically, such as Figure 4 As shown, a spring 2c is provided in the support frame 22, and the top end of the spring 2c is fixedly connected to the bottom end of the hinged support 23.

[0048] In this embodiment, the spring 2c can absorb the impact force during cylinder driving, preventing the pressure cap 25 from rigidly squeezing the pipe. If there is a slight deviation in the pipe diameter or an uneven surface, when the pressure cap 25 is pressed down, it will push the hinge support 23 to move slightly on the guide rod 2b. The spring 2c automatically adjusts the buffering force by compression or extension, so that the arc-shaped groove of the pressure cap 25 always fits the surface of the pipe, ensuring uniform positioning pressure, avoiding excessive local pressure, and protecting the surface of the pipe.

[0049] Furthermore, such as Figure 3 As shown, a guide block 2d is provided on the inner wall of the support frame 22, and the output rod of the cylinder 26 is slidably inserted into the guide block 2d;

[0050] In this embodiment, the guide block 2d provides precise guidance for the output rod of the cylinder 26, enabling the output rod to move strictly in a predetermined direction; it ensures the accurate movement trajectory of the hinge block 27 and the transmission block 24, thereby allowing the pressure cap 25 to accurately clamp the pipe, improving the machining positioning accuracy of the thin internal thread teeth, and reducing machining errors caused by positioning deviations; during the movement of the output rod of the cylinder 26, the guide block 2d can withstand various forces on the output rod, preventing the output rod from shaking or tilting, reducing machining quality problems caused by device instability, and improving the reliability and service life of the device.

[0051] Furthermore, such as Figure 1 and Figure 5 As shown, a partition cover 11 is provided on the support plate 1. The partition cover 11 is used to isolate the positioning mechanism 2 from the processing area. Two through holes 12 are provided on the partition cover 11.

[0052] In this embodiment, the partition cover 11 can effectively isolate the positioning mechanism 2 from the processing area, preventing debris, coolant and other impurities generated during processing from entering the positioning mechanism 2, extending the service life of the positioning mechanism 2 and reducing maintenance costs. Since the positioning mechanism 2 is not affected by impurities in the processing area, its components can maintain a stable operating state, thereby ensuring the positioning accuracy of the pipe to be processed. Debris and coolant generated during processing may splash out and cause injury to operators. The partition cover 11 can confine these hazardous substances within the processing area, providing operators with a safe working environment and reducing safety risks in the production process.

[0053] Furthermore, such as Figure 1 and Figure 5 As shown, a slag collection hopper 13 is connected to the bottom end of the support plate 1. The slag collection hopper 13 has two slag inlets, which correspond to two processing areas.

[0054] In this embodiment, the slag hopper 13 can collect the debris and waste generated during the processing in a timely manner, preventing these debris and waste from accumulating in the processing area, thereby maintaining a clean processing environment. The timely collection of debris by the slag hopper 13 avoids the debris from interfering with the processing process, ensuring the processing accuracy of the thin internal thread teeth, reducing processing errors caused by debris, and improving product quality. The slag hopper 13 is set at the bottom of the support plate 1, and slag inlets are set for the two processing areas, making the collection and cleaning of debris more concentrated and convenient. Operators can clean the slag hopper 13 regularly without having to perform large-scale cleaning of the entire processing area, improving cleaning efficiency and reducing maintenance costs.

[0055] Furthermore, protective rubber pads are provided on the arc-shaped grooves of both the support base 21 and the pressure cover 25;

[0056] In this embodiment, the protective rubber pad can prevent the pipe fitting from directly contacting the arc-shaped grooves of the support seat 21 and the pressure cap 25 during positioning and clamping, thus avoiding scratches, indentations, and other damage to the pipe fitting surface due to friction and collision. The protective rubber pad has a certain degree of elasticity, which can better fit the pipe fitting surface when clamping the pipe fitting, increasing the friction between the pipe fitting and the positioning mechanism 2, thereby improving the stability of the pipe fitting during the positioning process. During processing, the protective rubber pad can absorb and buffer the vibration and impact force on the pipe fitting, reducing the vibration amplitude of the pipe fitting, thereby reducing the noise generated during processing.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A box thin tooth process positioning device, characterized by, include: A support plate is provided with two positioning mechanisms, which are used to position the pipe fitting to be processed; The positioning mechanism includes: A support base is fixedly installed on the support plate, and an arc-shaped groove is provided at the top of the support base; The support frame is fixedly installed on the side wall of the support seat; A hinged support, which is slidably mounted on the support frame. The transmission block is oscillatingly mounted on the hinged support; A pressure cap is fixedly installed on the transmission block, and an arc-shaped groove is provided on the clamping end face of the pressure cap; The cylinder is vertically and fixedly mounted on the support base; The hinge block is mounted on the support base and moves up and down. It is controlled to move up and down by the cylinder and is hinged to the cylinder output rod. The hinge block is also hinged to the inner wall of the transmission block.

2. The box thin tooth process positioning device of claim 1 wherein, The support plate is provided with two auxiliary blocks, and the top of the auxiliary blocks is provided with an arc-shaped groove. The arc-shaped groove of the auxiliary blocks is coaxial with the arc-shaped groove on the support base.

3. The box lean tooth process positioning device of claim 1 wherein, The hinged support has two guide grooves symmetrically arranged on both sides, and the support frame has two guide rods symmetrically arranged in the middle. The two guide grooves are slidably engaged with the two guide rods respectively.

4. The box lean tooth process positioning device of claim 1 wherein, The support frame is equipped with a spring, and the top end of the spring is fixedly connected to the bottom end of the hinged support.

5. The box lean tooth process positioning device of claim 1 wherein, A guide block is provided on the inner wall of the support frame, and the output rod of the cylinder is slidably inserted into the guide block.

6. The box lean tooth process positioning device of claim 1 wherein, The support plate is provided with a partition cover, which is used to isolate the positioning mechanism from the processing area. The partition cover is provided with two through holes.

7. The box lean tooth process positioning device of claim 1 wherein, The bottom end of the support plate is connected to a slag collection hopper, which has two slag inlets, and the two slag inlets correspond to two processing areas.

8. The positioning device for machining thin internal threads as described in claim 1, characterized in that, Protective rubber pads are provided on the arc-shaped grooves of both the support base and the pressure cover.

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