High-precision inner hole deep processing device for mechanical parts

Abstract

The invention relates to the technical field of mechanical part machining, and provides a mechanical part high-precision inner hole deep machining device which comprises an operation table and a supporting plate. A supporting plate is fixedly installed at one end of the top of the operation table, a connecting shaft is movably installed in the supporting plate, a cavity is formed in one end of the connecting shaft, and a base is movably arranged at the top end of the operation table. By arranging the cavity, when the servo motor works, the connecting plate is driven to rotate, so that the piston moves up and down, air entraining is achieved in the cavity, air is compressed and sprayed out of the center of a part in the clamping block through the air pipe, scrap iron generated during inner hole machining can be blown out, and the situation that the machining quality is affected due to scrap iron accumulation is avoided; and meanwhile, the blown air can take away heat generated by friction during machining, so that the high-precision inner hole deep machining device for the mechanical part is convenient for cleaning scrap iron, the surface quality of the machined part is ensured, the friction between a cutter and a workpiece is reduced, and the service life of the cutter is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical parts processing, and in particular to a high-precision inner hole deep processing device for mechanical parts. Background Art

[0002] Mechanical parts, also known as mechanical elements, are the basic units that constitute machinery and machines. They are the inseparable individual parts that make up these devices. Mechanical parts play a vital role in the field of mechanical engineering. They have different shapes, sizes and materials, and can work together to complete various mechanical movements and functions. Some mechanical parts require precision processing of their inner holes, mainly by drilling and cutting. The inner wall of the processed material is removed by the drill bit, rotation and force propulsion to form the required hole shape.

[0003] The conventional existing technical solutions have the following defects: when the device processes the inner hole of a mechanical part, a large amount of iron chips will be generated. The iron chips cannot be cleaned and remain in the inner hole, which will directly affect the quality of the processed surface and may cause the surface roughness to increase, thereby affecting the overall accuracy of the part, and intensifying the friction between the tool and the workpiece, causing the tool to wear faster and shortening the tool's service life. Summary of the invention

[0004] The purpose of the present invention is to provide a high-precision inner hole deep processing device for mechanical parts, so as to solve the defect that the iron chips of the existing high-precision inner hole deep processing device for mechanical parts are inconvenient to clean.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a high-precision inner hole deep processing device for mechanical parts, comprising an operating table and a support plate; a support plate is fixedly installed at one end of the top of the operating table, and a connecting shaft is movably installed inside the support plate, a chamber is provided at one end of the connecting shaft, a base is movably installed at the top of the operating table, and a processing knife is movably installed at the top of the base; the chamber comprises a connecting pipe, a movable shaft, an air pipe and a piston; the piston is movably arranged inside the chamber, a movable shaft is fixedly installed on the top of the piston, the top and bottom of the outer wall of the chamber on one side of the piston are connected to the air pipe, and a connecting pipe is movably installed at the end of the air pipe away from the chamber.

[0006] Preferably, the base includes a transverse slide rail, a cylinder, a longitudinal slide rail and a slider, the slider is welded to the bottom end of the base, a longitudinal slide rail is arranged on the outside of the slider, and a sliding structure is formed between the longitudinal slide rail and the slider, and a sliding structure is formed between the longitudinal slide rail and the operating table.

[0007] Preferably, a transverse slide rail is movably provided at the bottom end of the longitudinal slide rail, and a sliding structure is formed between the transverse slide rail and the slider, and a sliding structure is formed between the transverse slide rail and the operating table, and a cylinder is installed at one end of the longitudinal slide rail and the transverse slide rail.

[0008] Preferably, the connecting shaft comprises a pulley mechanism, a servo motor, a clamping block, a housing and a movable sheet, the pulley mechanism is installed at one end of the connecting shaft, and the servo motor is installed at the end of the pulley mechanism away from the connecting shaft.

[0009] Preferably, the movable sheet is movably arranged at one end of the connecting shaft, a clamping block is movably installed at one end of the movable sheet, and three groups of clamping blocks are arranged, a shell is fixedly installed on the outside of the movable sheet, and a sliding and rotating structure is formed between the movable sheet and the shell.

[0010] Preferably, the movable sheet includes a sliding seat, a tooth pattern, a torsion block, teeth and a gear, the tooth pattern is arranged at one end of the movable sheet, and the outer wall of the clamping block at one end of the tooth pattern is welded with a sliding seat.

[0011] Preferably, the sliding seat is meshed with the tooth pattern, and the tooth is arranged at an end of the movable sheet away from the tooth pattern.

[0012] Preferably, a gear is movably mounted on the top of the connecting shaft at one end of the tooth, and the gear is meshed with the tooth, and a torsion block is fixedly mounted on the top of the gear.

[0013] Preferably, the connecting pipe is movably mounted on one end of the connecting shaft, and a rotating structure is formed between the connecting pipe and the connecting shaft.

[0014] Preferably, the movable shaft includes a connecting rod, a movable block and a connecting plate, the connecting rod is fixedly installed at the bottom of the movable shaft, the movable block is movably arranged at the top of the movable shaft, and one end of the movable block is hinged with a connecting plate, and one end of the connecting plate is connected to the output end of the servo motor.

[0015] The invention provides a high-precision inner hole deep processing device for mechanical parts, which has the advantages of:

[0016] By providing a chamber, when the servo motor rotates and works, it drives the connecting plate to rotate at the same time, so that the movable block slides on the movable shaft and pulls the connecting rod and the piston up and down, and air is induced inside the chamber. The reciprocating motion of the piston compresses the gas through the air pipe to the connecting pipe. The interior of the connecting shaft is a hollow structure, and air is blown out from the inside of the connecting shaft and sprayed to the center of the part clamped by the clamping block. Iron filings generated during the processing of the inner hole of the part can be blown out to avoid the accumulation of iron filings in the part that affects the processing quality. At the same time, the blown air can take away the heat generated by friction during processing, which has a cooling effect, thereby realizing a high-precision inner hole deep processing device for mechanical parts, which is convenient for cleaning iron filings, ensures the quality of the surface of the processed parts, reduces the friction between the tool and the workpiece, and extends the service life of the tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the front view three-dimensional structure of the present invention;

[0018] Figure 2 It is a rear-view three-dimensional structural schematic diagram of the present invention;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the processing state of the present invention;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the base of the present invention in a disassembled state;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the connecting pipe in a half-section state of the present invention;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the chamber in a half-section state of the present invention;

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the shell in a half-cut state of the present invention;

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of the clamping block of the present invention in a split state;

[0025] Fig. 9 It is a schematic diagram of the three-dimensional structure of the clamping block of the present invention in a disassembled state from a rear view.

[0026] Explanation of the reference numerals in the figure: 1. operating table; 2. base; 21. horizontal slide rail; 22. cylinder; 23. longitudinal slide rail; 24. slider; 3. processing knife; 4. connecting shaft; 41. pulley mechanism; 42. servo motor; 43. clamping block; 44. housing; 45. movable sheet; 451. slide seat; 452. tooth pattern; 453. torsion block; 454. tooth; 455. gear; 5. chamber; 51. connecting pipe; 52. movable shaft; 521. connecting rod; 522. movable block; 523. connecting plate; 53. air pipe; 54. piston; 6. support plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 9The present invention provides a high-precision inner hole deep processing device for mechanical parts, comprising an operating table 1 and a support plate 6; a support plate 6 is fixedly installed at one end of the top of the operating table 1, and a connecting shaft 4 is movably installed inside the support plate 6, and a chamber 5 is provided at one end of the connecting shaft 4, a base 2 is movably provided at the top of the operating table 1, and a processing knife 3 is movably installed at the top of the base 2; the base 2 comprises a transverse slide rail 21, a cylinder 22, a longitudinal slide rail 23 and a slider 24, the slider 24 is welded to the bottom end of the base 2, a longitudinal slide rail 23 is provided on the outside of the slider 24, and a sliding structure is formed between the longitudinal slide rail 23 and the slider 24, a sliding structure is formed between the longitudinal slide rail 23 and the operating table 1, a transverse slide rail 21 is movably provided at the bottom end of the longitudinal slide rail 23, and a sliding structure is formed between the transverse slide rail 21 and the slider 24, a sliding structure is formed between the transverse slide rail 21 and the operating table 1, a cylinder 22 is installed at one end of the longitudinal slide rail 23 and the transverse slide rail 21, the connecting shaft 4 comprises a pulley mechanism 41, a servo motor 42, a clamp The movable piece 45 comprises a holding block 43, a housing 44 and a movable piece 45, a pulley mechanism 41 is installed at one end of the connecting shaft 4, a servo motor 42 is installed at the end of the pulley mechanism 41 away from the connecting shaft 4, a movable piece 45 is movably arranged at one end of the connecting shaft 4, a clamping block 43 is movably installed at one end of the movable piece 45, and the clamping block 43 is provided with three groups, a housing 44 is fixedly installed on the outside of the movable piece 45, a sliding rotation structure is formed between the movable piece 45 and the housing 44, and the movable piece 45 includes a slide seat 451, a tooth pattern 45 2. Twist block 453, tooth 454 and gear 455. Tooth pattern 452 is arranged at one end of movable sheet 45. Slide seat 451 is welded to the outer wall of clamping block 43 at one end of tooth pattern 452. Slide seat 451 and tooth pattern 452 are meshed with each other. Tooth pattern 454 is arranged at one end of movable sheet 45 away from tooth pattern 452. Gear 455 is movably installed on the top of connecting shaft 4 at one end of tooth pattern 454. Gear 455 and tooth pattern 454 are meshed with each other. Twist block 453 is fixedly installed on the top of gear 455.

[0029] Reference Figure 3 , Figure 4 , Figure 7 , Figure 8 and Fig. 9As shown, when the device is used, the part is placed inside the clamping block 43, and the twisting block 453 is rotated to rotate the gear 455, driving the meshing teeth 454 and the movable sheet 45 to rotate inside the housing 44. The movable sheet 45 rotates to rotate the tooth pattern 452, driving the meshing slide 451 and the clamping block 43 connected at one end to move inward and squeeze at the same time to fix the part. Then the servo motor 42 is started to drive the connecting shaft 4 to rotate through the pulley mechanism 41, driving the part fixed at one end to rotate rapidly, and at the same time, the cylinder 22 is started to push the longitudinal slide rail 23 to drive the slider 24 and the base 2 on its top to slide horizontally inside the transverse slide rail 21. After moving to one end of the part, another cylinder 22 is started to drive the transverse slide rail 21 to push the base 2 to slide longitudinally along the longitudinal slide rail 23 to the inner hole of the part, and the part is processed when it rotates at high speed.

[0030] The chamber 5 includes a connecting pipe 51, a movable shaft 52, an air pipe 53 and a piston 54; the piston 54 is movably arranged inside the chamber 5, the movable shaft 52 is fixedly installed on the top of the piston 54, the top and bottom of the outer wall of the chamber 5 on one side of the piston 54 are connected to the air pipe 53, and the end of the air pipe 53 away from the chamber 5 is movably installed with a connecting pipe 51, the connecting pipe 51 is movably installed on one end of the connecting shaft 4, and a rotating structure is formed between the connecting pipe 51 and the connecting shaft 4, the movable shaft 52 includes a connecting rod 521, a movable block 522 and a connecting plate 523, the connecting rod 521 is fixedly installed on the bottom of the movable shaft 52, the movable block 522 is movably arranged on the top of the movable shaft 52, and one end of the movable block 522 is hinged with a connecting plate 523, and one end of the connecting plate 523 is connected to the output end of the servo motor 42;

[0031] Reference Figure 2 , Figure 5 and Figure 6 As shown, when the device is in use, when the servo motor 42 rotates and works, it drives the connecting plate 523 to rotate, so that the movable block 522 slides on the movable shaft 52 and pulls the connecting rod 521 up and down, driving the piston 54 fixed thereto to achieve air induction inside the chamber 5. The top and bottom of the chamber 5 are both provided with a one-way valve that can only allow air to enter. When the piston 54 reciprocates, the gas is compressed and passes through the air pipe 53 to the connecting pipe 51, and is blown out from the inside of the connecting shaft 4, sprayed to the center of the part clamped by the clamping block 43, and the iron filings generated during the processing of the inner hole of the part are blown out to avoid the accumulation of iron filings in the part that affects the processing quality. At the same time, the blown wind can take away the heat generated by friction during processing, which has a cooling effect, thereby ensuring the quality of the surface of the processed parts, reducing the friction between the tool and the workpiece, and extending the service life of the tool.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision inner hole deep processing device for mechanical parts, comprising an operating table (1) and a support plate (6); Features: A support plate (6) is fixedly mounted on one end of the top of the operating table (1), and a connecting shaft (4) is movably mounted inside the supporting plate (6), a chamber (5) is arranged at one end of the connecting shaft (4), a base (2) is movably mounted on the top of the operating table (1), and a processing knife (3) is movably mounted on the top of the base (2); The chamber (5) comprises a connecting pipe (51), a movable shaft (52), an air pipe (53) and a piston (54); The piston (54) is movably arranged inside the chamber (5), a movable shaft (52) is fixedly installed on the top of the piston (54), the top and bottom of the outer wall of the chamber (5) on one side of the piston (54) are connected to an air pipe (53), and a connecting pipe (51) is movably installed on one end of the air pipe (53) away from the chamber (5).

2. A high-precision inner hole deep processing device for mechanical parts according to claim 1, characterized in that: The base (2) comprises a transverse slide rail (21), a cylinder (22), a longitudinal slide rail (23) and a slider (24); the slider (24) is welded to the bottom end of the base (2); a longitudinal slide rail (23) is arranged outside the slider (24); a sliding structure is formed between the longitudinal slide rail (23) and the slider (24); and a sliding structure is formed between the longitudinal slide rail (23) and the operating table (1).

3. A high-precision inner hole deep processing device for mechanical parts according to claim 2, characterized in that: A transverse slide rail (21) is movably provided at the bottom end of the longitudinal slide rail (23), and a sliding structure is formed between the transverse slide rail (21) and the slider (24), and a sliding structure is formed between the transverse slide rail (21) and the operating table (1), and a cylinder (22) is installed at one end of each of the longitudinal slide rail (23) and the transverse slide rail (21).

4. The high-precision inner hole deep processing device for mechanical parts according to claim 1 is characterized in that: The connecting shaft (4) comprises a pulley mechanism (41), a servo motor (42), a clamping block (43), a housing (44) and a movable sheet (45); the pulley mechanism (41) is mounted on one end of the connecting shaft (4); and the servo motor (42) is mounted on the end of the pulley mechanism (41) away from the connecting shaft (4).

5. A high-precision inner hole deep processing device for mechanical parts according to claim 4, characterized in that: The movable sheet (45) is movably arranged at one end of the connecting shaft (4), a clamping block (43) is movably mounted at one end of the movable sheet (45), and three groups of clamping blocks (43) are arranged, a housing (44) is fixedly mounted on the outside of the movable sheet (45), and a sliding rotation structure is formed between the movable sheet (45) and the housing (44).

6. A high-precision inner hole deep processing device for mechanical parts according to claim 4, characterized in that: The movable sheet (45) comprises a sliding seat (451), a tooth pattern (452), a torsion block (453), teeth (454) and a gear (455); the tooth pattern (452) is arranged at one end of the movable sheet (45), and the outer wall of the clamping block (43) at one end of the tooth pattern (452) is welded with a sliding seat (451).

7. A high-precision inner hole deep processing device for mechanical parts according to claim 6, characterized in that: The sliding seat (451) is meshed with the tooth pattern (452), and the tooth (454) is arranged at an end of the movable sheet (45) away from the tooth pattern (452).

8. The high-precision inner hole deep processing device for mechanical parts according to claim 7, characterized in that: A gear (455) is movably mounted on the top of the connecting shaft (4) at one end of the tooth (454), and the gear (455) and the tooth (454) are meshed with each other. A torsion block (453) is fixedly mounted on the top of the gear (455).

9. The high-precision inner hole deep processing device for mechanical parts according to claim 1, characterized in that: The connecting tube (51) is movably mounted on one end of the connecting shaft (4), and a rotating structure is formed between the connecting tube (51) and the connecting shaft (4).

10. The high-precision inner hole deep processing device for mechanical parts according to claim 1, characterized in that: The movable shaft (52) comprises a connecting rod (521), a movable block (522) and a connecting plate (523); the connecting rod (521) is fixedly mounted on the bottom of the movable shaft (52); the movable block (522) is movably arranged on the top of the movable shaft (52); one end of the movable block (522) is hingedly connected to the connecting plate (523); one end of the connecting plate (523) is connected to the output end of the servo motor (42).

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