Wind cutting and drying system and process for tubular parts with multi-directional holes and multi-blind holes

By designing an air cutting and drying system, the multi-directional hole and multi-blind hole tubular parts are used to perform high-pressure pulsed air cutting and fixed-point aeration on multi-directional holes and multi-blind hole tubular parts. Combined with high-temperature drying, the problem of incomplete drying of parts is solved, and the complete drying of parts and the satisfaction of use requirements is achieved.

CN119826506APending Publication Date: 2025-04-15CHINA NTAIONAL NUCLEAR TIANJIN MACHINERY
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Patent Information

Application Number
CN202411754091.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-04-15

AI Technical Summary

Technical Problem

The prior art is difficult to thoroughly dry multi-directional and multi-blind-hole tubular parts, especially the problem of residual moisture in the blind holes.

Method used

An air cutting and drying system is designed, including a primary air cutting mechanism and a secondary air cutting mechanism. The multiple azimuth holes of the parts are pulsed and air cutting and close-range, high-pressure fixed-point aeration are performed through high-pressure air nozzles, combined with multi-station high-temperature drying, the parts are completely dried.

Benefits of technology

Effectively removes moisture remaining in the multi-directional holes and multiple blind holes of the parts, achieving complete drying of the parts and meeting the requirements for use of the parts.

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Abstract

The invention belongs to the technical field of ultrasonic cleaning and drying, and particularly relates to a wind cutting and drying system and process for tubular parts with multidirectional holes and multiple blind holes. The wind cutting and drying system comprises a first-stage wind cutting mechanism, a high-temperature drying mechanism, a second-stage wind cutting mechanism and a conveying mechanism used for conveying workpieces among the mechanisms. The first-stage air cutting mechanism adopts a plurality of high-pressure air nozzles in at least five directions to perform pulse air cutting on a through hole and a blind hole of a workpiece, the first-stage air cutting mechanism comprises at least four first-stage air cutting stations and a first-stage driving mechanism, and a plurality of first-stage high-pressure air nozzles for performing pulse air cutting on the workpiece from one or more directions are arranged on the first-stage air cutting stations; the second-stage wind cutting mechanism comprises a second-stage wind cutting station and a second-stage driving mechanism, and a plurality of second-stage high-pressure air nozzles which conduct pulse wind cutting on the workpiece from at least three directions are arranged on the second-stage wind cutting station. The parts pass through the first-stage wind cutting mechanism, the high-temperature drying mechanism and the second-stage wind cutting mechanism, residual moisture in blind holes is thoroughly removed, and thorough drying is achieved in the production takt.
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Description

Technical Field

[0001] The invention belongs to the technical field of ultrasonic cleaning and drying, and in particular relates to a cutting-wind drying system and process for tubular parts with multiple directional holes and multiple blind holes. Background Art

[0002] The original cutting air drying process for tubular parts with multiple holes and blind holes is a multi-station indifferent high-temperature drying process. After the parts pass through the drying station, moisture still remains in multiple blind holes in three directions, making it impossible to achieve complete drying.

[0003] Through searching, it is found that there is no cut-wind drying process for similar tubular parts in China. Summary of the invention

[0004] In order to solve the problems existing in the above-mentioned prior art, the present invention provides a cutting air drying system and process for tubular parts with multiple directional holes and multiple blind holes. According to the unique structure of tubular parts with multiple directional holes and multiple blind holes, the cutting air drying station of the cleaning equipment is redesigned. Using the gas storage tank and the booster pump, the lifting bracket drives the high-pressure air nozzle to perform the first-level fixed-point cutting air drying on at least five directional holes of the tubular parts. The parts are dried at multiple stations at high temperature during operation. The second-level cutting air drying performs close-range, high-pressure fixed-point aeration for multiple blind holes in at least three directions, so as to achieve the drying of the multi-directional holes and multiple blind holes of the tubular parts.

[0005] The technical solution adopted by the present invention to solve this problem is: A cutting air drying system for multi-directional holes and multi-blind hole tubular parts, comprising a first-stage cutting air mechanism, a high-temperature drying mechanism, a second-stage cutting air mechanism and a conveying mechanism for conveying the workpiece between the mechanisms, wherein: A first-level air cutting mechanism, which uses a plurality of high-pressure air nozzles in at least five directions to perform pulse air cutting on the through holes and blind holes of the workpiece, and the first-level air cutting mechanism includes at least four first-level air cutting stations arranged in sequence along the workpiece conveying direction and a first-level driving mechanism for driving the first-level air cutting stations to switch between the working position and the standby position. The workpiece passes through each first-level air cutting station one by one during the conveying process, and each of the first-level air cutting stations is provided with a plurality of first-level high-pressure air nozzles for performing pulse air cutting on the workpiece from one or more directions; The secondary air cutting mechanism comprises a secondary air cutting station and a secondary driving mechanism for driving the secondary air cutting station to switch between a working position and a standby position. The secondary air cutting station is provided with a plurality of secondary high-pressure air nozzles for pulse air cutting to the workpiece from at least three directions.

[0006] In the above technical solution, the conveying mechanism includes a plurality of transmission chains arranged in parallel and running synchronously, the transmission chain is composed of a transmission wheel and a transmission chain plate connected together, and the conveying mechanism conveys the workpiece in a stepping manner.

[0007] In the above technical solution, positioning stations for placing workpieces are evenly arranged on the transmission chain, and positioning claws for positioning and preventing the workpiece from shifting are arranged on the positioning stations, and the spacing between the center lines of two adjacent positioning claws is the same as the spacing between the center lines of two adjacent first-level wind cutting stations.

[0008] In the above technical solution, the first-level wind cutting mechanism is installed in a first-level supporting bracket, and the first-level supporting bracket includes a first-level fixed bracket in a gantry structure and a first-level connecting bracket slidably installed in the first-level fixed bracket, and each of the first-level wind cutting stations is fixed in parallel to the lower end of the first-level fixed bracket or the first-level connecting bracket.

[0009] In the above technical solution, the primary driving mechanism includes a primary lifting cylinder installed on a primary fixing bracket, and the output end of the primary lifting cylinder is connected to the primary connecting bracket.

[0010] In the above technical solution, the first-level air cutting mechanism includes four first-level air cutting stations arranged in sequence along the workpiece conveying direction, wherein: The first-level air cutting station located at the first position is equipped with 100 upper end high-pressure gas nozzles and 2 end high-pressure gas nozzles; the above-mentioned high-pressure gas nozzles use air storage tanks, booster pumps and circulating air pipes to perform high-pressure and pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S and an interval time of 12S.

[0011] The first-level air cutting station located at the second position is relatively equipped with 60 side high-pressure gas nozzles; the above-mentioned high-pressure gas nozzles use air storage tanks, booster pumps and circulating air pipes to perform high-pressure, pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S, and an interval time of 12S.

[0012] The first-level air cutting station located at the third position has the same structure as the first-level air cutting station located at the second position; The structure of the first-level wind cutting station located at the 4th position is the same as that of the first-level wind cutting station located at the 1st position.

[0013] In the above technical scheme, the upper end face high-pressure air nozzle, the end high-pressure air nozzle and the side high-pressure air nozzle in the first-level air cutting station all perform high-pressure and pulse air cutting through a first-level boosting mechanism, with a pressure of 1.1MPa, a pulse time of 5S and an interval time of 12S. The first-level boosting mechanism includes an air storage tank, a boosting pump and a circulating air pipe.

[0014] In the above technical solution, there are multiple high-temperature drying stations, and the conveying mechanism steps through each high-temperature drying station. The temperature of the drying station is 65-75°C, and the stepping rhythm is 2.5 minutes.

[0015] In the above technical solution, the secondary wind cutting mechanism is installed in a secondary supporting bracket, and the secondary supporting bracket includes a secondary fixed bracket in a gantry structure and a secondary connecting bracket slidably installed in the secondary fixed bracket, and the secondary wind cutting station is fixed at the lower end of the secondary connecting bracket.

[0016] In the above technical solution, the secondary driving mechanism includes a secondary lifting cylinder installed on a secondary fixing bracket, and the output end of the secondary lifting cylinder is connected to the secondary connecting bracket.

[0017] In the above technical solution, the secondary air cutting station is provided with 80 upper end surface high-pressure air nozzles and 60 side surface high-pressure air nozzles are arranged oppositely.

[0018] In the above technical solution, the above high-pressure gas nozzle utilizes an air storage tank, a booster pump and a circulating air pipe to perform high-pressure, pulse cutting air with a pressure of 1.1 MPa, a pulse time of 5S and an interval time of 12S.

[0019] In the above technical solution, the upper end high-pressure air nozzle and the side high-pressure air nozzle in the secondary air cutting station are both subjected to high-pressure, pulse air cutting through a secondary boosting mechanism, with a pressure of 1.1 MPa, a pulse time of 5S, and an interval time of 12S. The secondary boosting mechanism includes an air storage tank, a boosting pump, and a circulating air pipe.

[0020] The second invention object of the present invention is to provide a cutting air drying process for tubular parts with multiple directional holes and multiple blind holes, comprising the following steps: S1. After the workpiece undergoes ultrasonic cleaning and spraying, it enters the cutting and drying process. The cutting and drying process includes a primary cutting process, a high-temperature drying process, and a secondary cutting process in order; S2. The workpiece is precisely positioned on the positioning claw and stepped through the first-level air cutting mechanism. The first-level air cutting mechanism uses an air storage tank and a booster pump to target the special structure of the workpiece. There are 100 high-pressure air nozzles on the upper end surface, 60 on the left and right sides, and 2 on the left and right ends, totaling 162 high-pressure air nozzles in five directions. Pulse air cutting is performed on the through holes and blind holes of the parts to remove most of the moisture inside and outside. S3, the workpiece is precisely positioned on the positioning claws and stepped through multiple high-temperature drying stations to further remove internal and external moisture; S4. The workpiece is precisely positioned on the positioning claw and stepped through the secondary air cutting mechanism. The secondary air cutting mechanism is equipped with high-pressure air nozzles for the 80 threaded blind holes on the upper end face and 40 on the left and right sides of the workpiece to perform close-range, high-pressure fixed-point aeration to completely remove residual moisture in the blind holes and meet the workpiece parts use requirements.

[0021] The advantages and positive effects of the present invention are as follows: in the present invention, the parts undergo primary air cutting, high temperature drying and secondary air cutting mechanisms to completely remove residual moisture in the blind holes. By using a booster pump and a high-pressure air nozzle, adjusting relevant parameters such as the booster pump pressure, the air nozzle position, the distance between the air nozzle and the parts, the aeration time and the aeration times, etc., complete drying is achieved within the production cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it should be understood that these drawings are designed only for explanation purposes and are not intended to limit the scope of the present invention. In addition, unless otherwise specified, these drawings are intended only to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.

[0023] Figure 1 This is the left view of the first-stage wind cutting mechanism; Figure 2 This is the main view of the first-level wind cutting mechanism; Figure 3 It is the left view of the two-stage wind cutting mechanism.

[0024] In the figure: 1-workpiece; 2-transmission wheel; 3-transmission chain plate; 4-positioning station; 5-positioning claw; 6-first-level fixed bracket; 7-first-level connecting bracket; 8-first-level lifting cylinder; 901-first-level cutting air station at the 1st position; 902-first-level cutting air station at the 2nd position; 903-first-level cutting air station at the 3rd position; 904-first-level cutting air station at the 4th position; 10-upper end surface high-pressure gas nozzle; 11-end high-pressure gas nozzle; 12-side high-pressure gas nozzle; 13-gas storage tank; 14-boosting pump; 15-circulating air pipe; 16-second-level fixed bracket; 17-second-level connecting bracket; 18-second-level lifting cylinder. DETAILED DESCRIPTION

[0025] First of all, it should be noted that the specific structure, features and advantages of the present invention will be specifically described below by way of example, but all descriptions are only for illustration and should not be understood as limiting the present invention. In addition, any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature displayed or implied in the drawings, can still be combined or deleted between these technical features (or their equivalents) to obtain more other embodiments of the present invention that may not be directly mentioned in this document. In addition, in order to simplify the drawings, the same or similar technical features may be marked only in one place in the same drawing.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances. Figure 1-Figure 3 The present invention will be described in detail. Example 1

[0027] A cutting air drying system for multi-directional holes and multi-blind holes tubular parts, comprising a first-stage cutting air mechanism, a high-temperature drying mechanism, a second-stage cutting air mechanism and a conveying mechanism for conveying a workpiece 1 between the mechanisms, wherein: A first-level air cutting mechanism, which uses a plurality of high-pressure air nozzles in at least five directions to perform pulse air cutting on the through holes and blind holes of the workpiece, and the first-level air cutting mechanism includes at least four first-level air cutting stations arranged in sequence along the workpiece conveying direction and a first-level driving mechanism for driving the first-level air cutting stations to switch between the working position and the standby position. The workpiece passes through each first-level air cutting station one by one during the conveying process, and each of the first-level air cutting stations is provided with a plurality of first-level high-pressure air nozzles for performing pulse air cutting on the workpiece from one or more directions; The secondary air cutting mechanism comprises a secondary air cutting station and a secondary driving mechanism for driving the secondary air cutting station to switch between a working position and a standby position. The secondary air cutting station is provided with a plurality of secondary high-pressure air nozzles for pulse air cutting to the workpiece from at least three directions.

[0028] In this embodiment, according to the unique structure of tubular parts with multiple directional holes and multiple blind holes, the cutting air drying station of the cleaning equipment is redesigned. In the first-level cutting air mechanism, the gas storage tank and the booster pump are used, and the lifting drive mechanism drives the high-pressure air nozzle to perform the first-level fixed-point cutting air drying on at least five directional holes of the tubular parts. The parts are dried at high temperatures in multiple stations during operation, and then dried by the second-level cutting air mechanism for close-range, high-pressure fixed-point aeration for multiple blind holes in at least three directions, so as to achieve the drying of the multiple directional holes and multiple blind holes of the tubular parts.

[0029] In the above technical solution, the conveying mechanism includes a plurality of transmission chains arranged in parallel and running synchronously, the transmission chain is composed of a transmission wheel 2 and a transmission chain plate 3 connected together, and the conveying mechanism conveys the workpiece in a stepping manner.

[0030] In the above technical solution, the transmission chain is evenly provided with positioning stations 4 for placing workpieces, and the positioning stations 4 are provided with positioning claws 5 for positioning and preventing the workpiece from shifting, and the spacing between the center lines of two adjacent positioning claws 5 is the same as the spacing between the center lines of two adjacent first-level wind cutting stations. Figure 1 As shown, the parts are placed on the positioning claws 5, and after ultrasonic cleaning and spraying processes, they enter the cutting air drying process, which includes a primary cutting air process, a high-temperature drying process, and a secondary cutting air process in order. Example 2

[0031] The first-level wind cutting mechanism is installed in the first-level supporting bracket, and the first-level supporting bracket includes a first-level fixed bracket 6 with a gantry structure and a first-level connecting bracket 7 slidably installed in the first-level fixed bracket 6. Each of the first-level wind cutting stations is fixed in parallel to the lower end of the first-level fixed bracket 6 or the first-level connecting bracket 7.

[0032] In the above technical solution, the primary driving mechanism includes a primary lifting cylinder 8 installed on a primary fixed bracket 6 , and the output end of the primary lifting cylinder 8 is connected to the primary connecting bracket 7 .

[0033] In the above technical solution, the primary air cutting mechanism includes four primary air cutting stations arranged in sequence along the conveying direction of the workpiece 1, wherein: The first-level air cutting station 901 located at the first position is equipped with 100 upper end high-pressure gas nozzles 10 and 2 end high-pressure gas nozzles 11; the above-mentioned high-pressure gas nozzles use air storage tanks, booster pumps and circulating air pipes to perform high-pressure, pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S, and an interval time of 12S.

[0034] The first-level air cutting station 902 located at the second position is relatively equipped with 60 side high-pressure gas nozzles 12; the above-mentioned high-pressure gas nozzles use air storage tanks, booster pumps and circulating air pipes to perform high-pressure, pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S, and an interval time of 12S.

[0035] The first-stage air cutting station 903 located at the third position has the same structure as the first-stage air cutting station located at the second position; The first-level wind cutting station 904 located at the 4th position has the same structure as the first-level wind cutting station located at the 1st position.

[0036] In the above technical scheme, the upper end face high-pressure gas nozzle 10, the end high-pressure gas nozzle 11, and the side high-pressure gas nozzle 12 in the first-level air cutting station all perform high-pressure, pulse air cutting through a first-level boosting mechanism, with a pressure of 1.1 MPa, a pulse time of 5S, and an interval time of 12S. The first-level boosting mechanism includes an air storage tank 13, a boosting pump 14, and a circulating air pipe 15.

[0037] In this embodiment, the specific steps of the first-level air cutting process are as follows: 1. The part (workpiece 1) is transported to the first-level air cutting mechanism through the transmission wheel 2 and the transmission chain plate 3. After it is in place, the first-level lifting cylinder 8 drives the first-level connecting bracket 7 to descend. At the first-level air cutting station 901 at the first position, 100 upper end surface high-pressure air nozzles 10 are arranged to perform high-pressure and pulse air cutting on the 80 threaded blind holes and 20 stepped holes on the upper end surface of the part; at the same time, 2 end high-pressure air nozzles 11 are arranged to perform high-pressure and pulse air cutting on the long through holes on the left and right ends of the part. The above-mentioned high-pressure air nozzle uses an air storage tank, a booster pump and a circulating air pipe to perform high-pressure and pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S, and an interval time of 12S. After one air cutting is completed, the first-level lifting cylinder drives the first-level connecting bracket to rise.

[0038] 2. The parts are transported to the first-level air cutting station 902 at the second position. The first-level lifting cylinder drives the first-level connecting bracket to descend. By arranging 60 pairs of left and right opposite side high-pressure air nozzles 12, high-pressure and pulse air cutting is performed on the 40 threaded blind holes and 20 stepped holes on the left and right sides of the parts. The above-mentioned high-pressure air nozzles use air storage tanks, booster pumps and circulating air pipes to perform high-pressure and pulse air cutting. The pressure is 1.1MPa, the pulse time is 5S, and the interval time is 12S. After the second air cutting is completed, the first-level lifting cylinder drives the first-level connecting bracket to rise.

[0039] 3. The action of the 3rd position is the same as that of the 2nd position, and the action of the 4th position is the same as that of the 1st position. The operation of the first-stage wind cutting mechanism is completed, and most of the moisture inside and outside can be removed.

[0040] 4. The parts are precisely positioned on the positioning claws and step through multiple high-temperature drying stations to further remove internal and external moisture. Example 3

[0041] There are multiple high-temperature drying stations, and the conveying mechanism steps through each high-temperature drying station. The drying station temperature is 65-75°C, and the stepping rhythm is 2.5 minutes, so as to further remove internal and external moisture. Example 4

[0042] The secondary wind cutting mechanism is installed in the secondary supporting bracket, and the secondary supporting bracket includes a secondary fixed bracket 16 with a gantry structure and a secondary connecting bracket 17 slidably installed in the secondary fixed bracket 16 . The secondary wind cutting station is fixed at the lower end of the secondary connecting bracket 17 .

[0043] In the above technical solution, the secondary driving mechanism includes a secondary lifting cylinder 18 installed on a secondary fixing bracket 16 , and an output end of the secondary lifting cylinder 18 is connected to a secondary connecting bracket 17 .

[0044] In the above technical solution, the secondary air cutting station is provided with 80 upper end surface high pressure air nozzles 11 and 60 side surface high pressure air nozzles 13. The above high pressure air nozzles use air storage tanks, booster pumps and circulating air pipes to perform high pressure and pulse air cutting, with a pressure of 1.1 MPa, a pulse time of 5S and an interval time of 12S.

[0045] In the above technical solution, the upper end high-pressure air nozzle and the side high-pressure air nozzle in the secondary air cutting station are both subjected to high-pressure, pulse air cutting through a secondary boosting mechanism, with a pressure of 1.1 MPa, a pulse time of 5S, and an interval time of 12S. The secondary boosting mechanism includes an air storage tank, a boosting pump, and a circulating air pipe.

[0046] In this embodiment, the specific steps of the secondary air cutting process are as follows: 1. The part (workpiece 1) is transported to the secondary wind cutting mechanism through the transmission wheel 2 and the transmission chain plate 3. After it is in place, the secondary lifting cylinder 18 drives the secondary connecting bracket 17 to descend.

[0047] 2. 80 upper end high-pressure air nozzles 11 are arranged to perform high-pressure and pulse air cutting on the 80 threaded blind holes on the upper end of the part; 60 side high-pressure air nozzles 13 are arranged on the left and right sides to perform high-pressure and pulse air cutting on the 40 threaded blind holes on the left and right sides of the part. The secondary air cutting mechanism uses an air storage tank, a booster pump and a circulating air pipe to perform high-pressure and pulse air cutting with a pressure of 1.1MPa, a pulse time of 5S, and an interval time of 12S. After the air cutting is completed, the secondary lifting cylinder drives the secondary connecting bracket to rise. The operation of the secondary air cutting mechanism is completed, and the residual moisture in the blind hole is completely removed to meet the use requirements of the part. Example 5

[0048] A cutting air drying process for tubular parts with multiple directional holes and multiple blind holes comprises the following steps: 1. After the workpiece has been through ultrasonic cleaning and spraying, it enters the cutting and drying process, which includes the first-level cutting process, high-temperature drying process, and second-level cutting process in order; 2. The workpiece is precisely positioned on the positioning claws and stepped through the first-stage air cutting mechanism. The first-stage air cutting mechanism uses an air storage tank and a booster pump to target the special structure of the workpiece. There are 100 high-pressure air nozzles on the upper end surface, 60 on the left and right sides, and 2 on the left and right ends, totaling 162 high-pressure air nozzles in five directions. Pulse air cutting is performed on the through holes and blind holes of the parts to remove most of the moisture inside and outside. 3. The workpiece is precisely positioned on the positioning claws and stepped through multiple high-temperature drying stations to further remove internal and external moisture; 4. The workpiece is precisely positioned on the positioning claws and stepped through the two-stage air cutting mechanism. The two-stage air cutting mechanism is equipped with high-pressure air nozzles for the 80 threaded blind holes on the upper end face and 40 on the left and right sides of the workpiece to perform close-range, high-pressure fixed-point aeration to completely remove residual moisture in the blind holes and meet the use requirements of workpiece parts.

[0049] The above embodiments describe the present invention in detail, but the contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A cutting air drying system for tubular parts with multiple azimuth holes and multiple blind holes, characterized by: It includes a continuously working first-stage cutting air mechanism, a high-temperature drying mechanism, a second-stage cutting air mechanism and a conveying mechanism for conveying workpieces between the mechanisms, wherein: A first-level air cutting mechanism, which uses a plurality of high-pressure air nozzles in at least five directions to perform pulse air cutting on the through holes and blind holes of the workpiece, and the first-level air cutting mechanism includes at least four first-level air cutting stations arranged in sequence along the workpiece conveying direction and a first-level driving mechanism for driving the first-level air cutting stations to switch between the working position and the standby position. The workpiece passes through each first-level air cutting station one by one during the conveying process, and each of the first-level air cutting stations is provided with a plurality of first-level high-pressure air nozzles for performing pulse air cutting on the workpiece from one or more directions; The secondary air cutting mechanism comprises a secondary air cutting station and a secondary driving mechanism for driving the secondary air cutting station to switch between a working position and a standby position. The secondary air cutting station is provided with a plurality of secondary high-pressure air nozzles for pulse air cutting to the workpiece from at least three directions.

2. A cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 1, characterized in that: The conveying mechanism comprises a plurality of transmission chains arranged in parallel and running synchronously, wherein the transmission chain is composed of a transmission wheel and a transmission chain plate connected together, and the conveying mechanism conveys the workpiece in a stepping manner.

3. The cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 2, characterized in that: Positioning stations for placing workpieces are evenly arranged on the transmission chain, and positioning claws for positioning and preventing the workpieces from shifting are arranged on the positioning stations. The spacing between the center lines of two adjacent positioning claws is the same as the spacing between the center lines of two adjacent first-level wind cutting stations.

4. The cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 1, characterized in that: The first-level wind cutting mechanism is installed in the first-level support bracket, and the first-level support bracket includes a first-level fixed bracket in a gantry structure and a first-level connecting bracket slidably installed in the first-level fixed bracket, and each of the first-level wind cutting stations is fixed in parallel to the lower end of the first-level fixed bracket or the first-level connecting bracket; The primary driving mechanism comprises a primary lifting cylinder mounted on a primary fixing bracket, and an output end of the primary lifting cylinder is connected to a primary connecting bracket.

5. The shear air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 1, characterized in that: The first-stage air cutting mechanism comprises four first-stage air cutting stations arranged in sequence along the workpiece conveying direction, wherein: The first-stage air cutting station located at the first position is equipped with 100 upper end surface high-pressure air nozzles and 2 end high-pressure air nozzles; The first-stage air cutting station located at the second position is provided with 60 side high-pressure air nozzles; The first-level air cutting station located at the third position has the same structure as the first-level air cutting station located at the second position; The structure of the first-level wind cutting station located at the 4th position is the same as that of the first-level wind cutting station located at the 1st position.

6. The cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 1, characterized in that: There are multiple high-temperature drying stations, and the conveying mechanism steps through each high-temperature drying station. The temperature of the drying station is 65-75° C., and the stepping rhythm is 2.5 minutes.

7. The shear air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 1, characterized in that: The secondary wind cutting mechanism is installed in the secondary support bracket, and the secondary support bracket includes a secondary fixed bracket in a gantry structure and a secondary connecting bracket slidably installed in the secondary fixed bracket, and the secondary wind cutting station is fixed at the lower end of the secondary connecting bracket; The secondary driving mechanism comprises a secondary lifting cylinder mounted on a secondary fixing bracket, and an output end of the secondary lifting cylinder is connected to a secondary connecting bracket.

8. The cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 7, characterized in that: The secondary air cutting station is provided with 80 upper end surface high-pressure air nozzles and 60 side surface high-pressure air nozzles are arranged oppositely.

9. A cutting air drying system for tubular parts with multiple directional holes and multiple blind holes according to claim 5 or 8, characterized in that: The upper end face high-pressure gas nozzle, the end face high-pressure gas nozzle and the side face high-pressure gas nozzle all use a first-stage boosting mechanism to perform high-pressure, pulse cutting air with a pressure of 1.1 MPa, a pulse time of 5S and an interval time of 12S. The first-stage boosting mechanism includes an air storage tank, a boosting pump and a circulating air pipe.

10. A cutting air drying process for tubular parts with multiple directional holes and multiple blind holes, characterized in that: The following steps are involved: S1. After the workpiece undergoes ultrasonic cleaning and spraying, it enters the cutting and drying process. The cutting and drying process includes a primary cutting process, a high-temperature drying process, and a secondary cutting process in order; S2. The workpiece is precisely positioned on the positioning claw and stepped through the first-level air cutting mechanism. The first-level air cutting mechanism uses an air storage tank and a booster pump to target the special structure of the workpiece. There are 100 high-pressure air nozzles on the upper end surface, 60 on the left and right sides, and 2 on the left and right ends, totaling 162 high-pressure air nozzles in five directions. Pulse air cutting is performed on the through holes and blind holes of the parts to remove most of the moisture inside and outside. S3, the workpiece is precisely positioned on the positioning claws and stepped through multiple high-temperature drying stations to further remove internal and external moisture; S4. The workpiece is precisely positioned on the positioning claw and stepped through the secondary air cutting mechanism. The secondary air cutting mechanism is equipped with high-pressure air nozzles for the 80 threaded blind holes on the upper end face and 40 on the left and right sides of the workpiece to perform close-range, high-pressure fixed-point aeration to completely remove residual moisture in the blind holes and meet the workpiece parts use requirements.