Integrated cam piece and machining tool thereof

Abstract

The invention discloses an integrated cam piece and a machining tool thereof, relates to the technical field of transmission devices, and aims to solve the technical problem that a traditional integrated cam piece is difficult to consider both light weight and structural strength. The integrated cam piece comprises a cam piece body, a center hole is formed in the cam piece body, and a plurality of annular grooves are evenly formed in the surface of the center hole; annular notch grooves are formed in the two vertical faces of the cam piece body, the two ends of each annular notch groove are communicated with adapting grooves matched with the cam piece body in shape, the annular notch grooves are communicated with the two adapting grooves to form a weight reduction cavity, a groove is formed in the edge of the root of the weight reduction cavity, and a reinforcing rib with the T-shaped section is formed by the gap between the two adapting grooves. The weight reduction cavities and the grooves are designed for weight reduction, the T-shaped reinforcing ribs formed by the gaps of the two adaptive grooves guarantee the strength of the cam piece body, the strength of the cam piece under the working load is guaranteed, the comprehensive requirements for light weight and local structure strengthening of the cam piece are met, and the technical problem that a traditional integrated cam piece is low in functionality is solved.

Description

Technical Field

[0001] This invention relates to the field of transmission device technology, and more specifically, to an integrated cam plate and its machining tooling. Background Technology

[0002] In the transmission system, the cam is the core component that realizes the conversion between rotary motion and reciprocating motion. It is widely used in automobile engines. Its working principle is to convert the rotational power of the camshaft into the precise reciprocating displacement of the follower by contacting the irregular contour of the outer periphery of the cam with the follower.

[0003] Traditional integrated cam plates are mostly solid structures with only a simple center hole, resulting in low functionality. Although they can ensure strength, they are heavy and prone to generating large inertial forces at high speeds, increasing energy consumption and vibration noise in the transmission system. Some lightweight designs attempt to incorporate weight-reducing cavities, but cracks easily appear at the edges of these cavities during operation, shortening their service life. It is difficult to balance the requirements of lightweighting and strength. In addition, during the press-fitting process between the cam plate and the camshaft, pressing jamming and surface scratches are prone to occur, leading to an increased assembly defect rate. In view of this, we propose an integrated cam plate and its machining fixture. Summary of the Invention

[0004] The purpose of this invention is to provide an integrated cam plate and its machining tooling to solve the technical problem that traditional integrated cam plates are difficult to balance in terms of lightweight and structural strength.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an integrated cam plate, comprising a cam plate body, a central hole on the cam plate body, a plurality of annular grooves uniformly formed on the surface of the central hole, annular notches on both sides of the cam plate body, and adaptation grooves adapted to the shape of the cam plate body connected to both ends of the annular notches. The annular notches and the two adaptation grooves are connected to form a weight-reducing cavity. A groove is formed at the root edge of the weight-reducing cavity, so that the gap between the two adaptation grooves forms a T-shaped reinforcing rib. The annular grooves of the present invention are used to fill solid grease, so that the cam plate and camshaft can slide smoothly during the press-fitting process, reducing damage and reducing the assembly defect rate. The weight-reducing cavity and groove are used for weight reduction. The T-shaped reinforcing rib formed by the gap between the two adaptation grooves ensures the strength of the cam plate body and the strength of the cam plate under working load. This achieves the comprehensive requirements of lightweight cam plate and local structural reinforcement, solving the technical problem of low functionality of traditional integrated cam plates.

[0006] A machining fixture for an integrated cam plate, applicable to the machining of the aforementioned integrated cam plate, includes a machining table, a three-axis moving mechanism fixedly mounted on the machining table, a mounting base fixedly mounted on the movable end of the three-axis moving mechanism, a circular block fixedly mounted on the bottom end of the mounting base, a milling cutter mounted on the circular block, and a functional mechanism mounted on the milling cutter. The bottom end of the milling cutter is provided with a rotating cavity, and the rotating cavity is provided with a plurality of cutting blades adapted to the shape of the milling cutter in a ring-shaped and equally spaced structure; The milling cutter can be combined with several cutting tools to form a straight milling configuration for machining the weight-reducing cavity; the milling cutter can also be combined with several cutting tools to form a cross milling configuration for machining the groove and the annular groove.

[0007] Preferably, the bottom end of the circular block is provided with a circular groove, the milling cutter is rotatably mounted on the circular groove, the circular groove is provided with a reverse locking component, the reverse locking component includes a locking groove A in a ring-shaped and equally spaced structure on the surface of the circular groove, the groove depth of the locking groove A gradually increases in the clockwise direction, the locking pin A is movably mounted on the locking groove A, the locking pin A is elastically connected to the locking groove A by a spring A, and the locking pin A is movably connected to the surface of the milling cutter.

[0008] Preferably, the top end of the milling cutter is provided with a shaft groove, the bottom end of the shaft groove is provided with a plurality of arc grooves communicating with the rotating cavity in an annular and equally spaced structure, the center position of the bottom end of the rotating cavity is provided with a hole groove A communicating with the rotating cavity, the top end of the milling cutter is provided with a plurality of air grooves A in an annular and equally spaced structure, and a filter plate is fixed on the air grooves A; Both ends of the cutter are arc-shaped. The top of the cutter is fixed with a movable column that is movably connected to the arc groove. The top of the cutter is fixed with a rotating rod that is rotatably connected to the rotating cavity at a position relative to the center of the arc groove.

[0009] Preferably, the functional mechanism includes an inner shaft rotatably disposed within the rotating cavity, a forward locking assembly at the bottom of the inner shaft, the locking end of the forward locking assembly being movably connected to the rotating cavity, and a sealed displacement channel at the bottom end of the inner shaft for driving several movable columns to move simultaneously, with the top ends of the several movable columns being movably connected to the sealed displacement channel.

[0010] Preferably, the sealed displacement channel includes a plurality of inclined guide grooves A arranged in a ring with equal spacing. Both ends of the inclined guide grooves A are provided with arc guide grooves, and any two corresponding arc guide grooves are connected through the inclined guide grooves B.

[0011] Preferably, a motor is fixedly mounted on the mounting base; a frustum-shaped air chamber is opened at the bottom end of the inner shaft, and a purging assembly is provided in the air chamber; a gear set for driving the inner shaft and the purging assembly to rotate at different speeds is provided at the top end of the inner shaft; the input end of the gear set extends through the top end of the circular block into the mounting base and is fixedly connected to the output shaft of the motor; a plurality of air grooves B are opened on the surface of the inner shaft relative to a plurality of air grooves A, and the air grooves B are connected to the air chamber.

[0012] Preferably, the forward locking assembly includes a locking groove B formed in an annular, equally spaced structure on the inner shaft surface. The groove depth of the locking groove B gradually increases in a clockwise direction. A locking pin B is movably disposed on the locking groove B. The locking pin B is elastically connected to the locking groove B by a spring B. The locking pin B is movably connected to the rotating cavity.

[0013] Preferably, the purging assembly includes a vertical shaft, a rotating ring, and several threaded plates. The vertical shaft is rotatably mounted on the air chamber. The several threaded plates are arranged in an annular, equally spaced structure within the air chamber. The threaded plates are fixedly connected to the vertical shaft and are adapted to the shape of the air chamber. A straight plate is fixedly mounted at the bottom end of the threaded plate. The bottom end of the vertical shaft passes through the rotating cavity and is fixedly connected to the straight plate. The rotating ring is rotatably mounted at the bottom end of the air chamber, and the threaded plates are fixedly connected to the rotating ring.

[0014] Preferably, the gear set includes a gear ring fixed to the top of the inner shaft, a central gear inside the gear ring, the central gear being rotatably connected to the circular groove via a coupling, the top of the coupling passing through the mounting base and fixedly connected to the motor output shaft, the top of the vertical shaft passing through the inner shaft and fixedly connected to the bottom of the central gear, and the gear ring and the central gear being rotatably connected via a plurality of side gears arranged in a ring-shaped, equally spaced structure, the side gears being rotatably connected to the circular groove.

[0015] The beneficial effects of this invention are: 1. The annular groove of the present invention is used to fill solid grease, so that the cam plate and camshaft can be smoothly pressed together, reducing damage and reducing the assembly defect rate. The weight-reducing cavity and groove are used to reduce weight. The T-shaped reinforcing rib formed by the two adaptive groove gaps ensures the strength of the cam plate body and the strength of the cam plate under working load. It realizes the comprehensive requirements of lightweight cam plate and local structural reinforcement, and solves the technical problem of low functionality of traditional integrated cam plates.

[0016] 2. This invention designs an integrated cam plate machining fixture, which allows the cutter to rotate relative to the rotating cavity along with the rotating rod, and the movable column to move relative to the arc groove. When the movable column is located at the centripetal end of the arc groove, the milling cutter and the cutter form a straight milling mode. The straight milling mode is used to mill out the weight-reducing cavity formed by the annular notch and the adaptation groove on the solid cam plate body. When the movable column is at the eccentric end of the arc groove, several cutters extend out of the rotating cavity and form a cross-milling mode with the cutter. The cross-milling mode cutter is used to mill out the groove and the annular groove, completing the machining of the cam plate body. There is no need to change the fixture, which greatly reduces the machining time of the cam plate body and improves the machining efficiency of the cam plate body.

[0017] 3. Through the structural design of the reverse locking component and the forward locking component, the present invention enables the locking groove B to drive the milling cutter to rotate in the forward direction through the locking pin B when the inner shaft rotates in the forward direction, which is used for the overall rotation of the straight milling mode and the cross milling mode. When the inner shaft rotates in the reverse direction, the milling cutter does not rotate, which is used for the adjustment of the straight milling mode and the cross milling mode. No adjustment is required, which is convenient to use and further improves the processing efficiency of the cam plate body.

[0018] 4. Through further design of the milling cutter and functional mechanism, this invention enables the gas to enter the air chamber through the filter plate from the air groove A and air groove B when the blowing assembly rotates. The threaded plate pushes the gas in the frustum-shaped air chamber downward, accelerating the gas output from the hole groove A. Several straight plates rotate to output the gas from all sides. During the machining of the cam body, the blowing gas is blown out from the inside to the outside, assisting in the discharge of waste chips and preventing the accumulation of waste chips from affecting the cutting. The timely discharge of waste chips will not scratch the machining position of the cam body, and also reduces the wear on the cutting tool, thus reducing component wear. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the integrated cam plate of the present invention.

[0020] Figure 2 This is a schematic diagram of the machining state of the integrated cam plate by the machining tooling of the present invention.

[0021] Figure 3 This is a partial structural diagram of the processing tooling of the present invention.

[0022] Figure 4 This is a partial structural cross-sectional view of the processing tooling of the present invention.

[0023] Figure 5 This is a schematic diagram of the circular block structure of the present invention.

[0024] Figure 6 This is a schematic diagram of the disassembled structure of the milling cutter of the present invention.

[0025] Figure 7 This is a partial structural breakdown diagram of the milling cutter and functional mechanism of the present invention.

[0026] Figure 8 This is a schematic diagram of the inner shaft of the present invention.

[0027] Figure 9 This is a cross-sectional structural diagram of the functional mechanism of the present invention.

[0028] Figure 10 for Figure 9 An enlarged schematic diagram of the structure of part A.

[0029] Figure 11 This is a schematic diagram of the cutter and movable column of the present invention.

[0030] Figure 12 This is a cross-sectional structural breakdown diagram of the circular block, milling cutter, and functional mechanism of the present invention.

[0031] Figure 13 This is a schematic diagram of the milling cutter and functional mechanism of the present invention in the cross-milling mode.

[0032] Explanation of the labels in the diagram: 1. Cam body; 2. Machining table; 3. Three-axis moving mechanism; 4. Mounting base; 5. Circular block; 6. Milling cutter; 7. Functional mechanism; 11. Center hole; 12. Annular groove; 13. Annular notch; 14. Adaptive groove; 15. Groove; 41. Electric motor; 51. Circular groove; 52. Reverse locking assembly; 521. Lock groove A; 522. Lock pin A; 523. Spring A; 61. Rotating cavity; 62. Shaft groove; 63. Arc groove; 64. Hole groove A; 65. Air groove A; 66. Filter plate; 67. Cutter; 68. Movable column; 71. Inner shaft; 72. Forward locking assembly; 73. Sealed displacement channel; 74. Air chamber; 75. Purge assembly; 76. Gear set; 77. Air groove B; 721. Lock groove B; 722. Lock pin B; 723. Spring B; 731. Inclined guide groove A; 732. Arc guide groove; 733. Inclined guide groove B; 751. Vertical shaft; 752. Threaded plate; 753. Straight plate; 754. Rotary ring; 761. Gear ring; 762. Center gear; 763. Side gear. Detailed Implementation

[0033] like Figures 1 to 13As shown, this invention relates to an integrated cam plate, comprising a cam plate body 1, a central hole 11 on the cam plate body 1, and several annular grooves 12 evenly formed on the surface of the central hole 11. Annular notches 13 are formed on both sides of the cam plate body 1, and each end of an annular notch 13 is connected to an adaptation groove 14 adapted to the shape of the cam plate body 1. The annular notch 13 and the two adaptation grooves 14 communicate to form a weight-reducing cavity. A groove 15 is formed at the root edge of the weight-reducing cavity, so that the gap between the two adaptation grooves 14 forms a T-shaped reinforcing rib. The annular grooves 12 of this invention are used to fill solid grease, making the cam plate and camshaft smooth during press-fitting, reducing damage, and lowering the assembly defect rate. The weight-reducing cavity and groove 15 are used for weight reduction, and the T-shaped reinforcing rib formed by the gap between the two adaptation grooves 14 ensures the strength of the cam plate body 1 and the strength of the cam plate under working load. This achieves the comprehensive requirements of lightweight cam plate and local structural reinforcement, solving the technical problem of low functionality in traditional integrated cam plates.

[0034] A machining fixture for an integrated cam plate, applicable to the machining of the aforementioned integrated cam plate, includes a machining table 2, a three-axis moving mechanism 3, a mounting base 4, a circular block 5, a milling cutter 6, and a functional mechanism 7.

[0035] In embodiments of the present invention, such as Figure 2 As shown, the three-axis moving mechanism 3 is fixed on the machining table 2. The three-axis moving mechanism 3 of the present invention includes an X-axis moving mechanism, a Y-axis moving mechanism and a Z-axis moving mechanism, which are prior art and will not be described in detail here.

[0036] In embodiments of the present invention, such as Figure 2 and Figure 3 As shown, the mounting base 4 is fixed to the movable end of the three-axis moving mechanism 3, and the motor 41 is fixed on the mounting base 4.

[0037] In embodiments of the present invention, such as Figure 2 and Figure 5 As shown, the circular block 5 is fixed at the bottom of the mounting base 4, and a circular groove 51 is provided at the bottom of the circular block 5. A reverse locking component 52 is provided on the circular groove 51.

[0038] In embodiments of the present invention, such as Figure 12 As shown, the reverse locking assembly 52 includes a locking groove A521 with an annular and equally spaced structure opened on the surface of the circular groove 51. The groove depth of the locking groove A521 gradually increases in the clockwise direction. A locking pin A522 is movably provided on the locking groove A521. The locking pin A522 and the locking groove A521 are elastically connected by a spring A523.

[0039] In embodiments of the present invention, such as Figure 4 and Figure 6As shown, the milling cutter 6 is rotatably mounted on the circular groove 51 and movably connected to the locking pin A522. The bottom end of the milling cutter 6 has a rotating cavity 61, and the top end of the milling cutter 6 has a shaft groove 62. The bottom end of the shaft groove 62 has several arc grooves 63 that communicate with the rotating cavity 61 in an annular and equally spaced structure. The center of the bottom end of the rotating cavity 61 has a hole groove A64 that communicates with the rotating cavity 61. The top end of the milling cutter 6 has several air grooves A65 in an annular and equally spaced structure. A filter plate 66 is fixed on the air grooves A65. Through the above-described structural design of the circular block 5 and the milling cutter 6, the present invention ensures that, in the initial state, the locking pin A522 is positioned in the middle of the locking groove A521 under the elastic force of the spring A523. When the milling cutter 6 rotates clockwise, the force exerted by the surface of the milling cutter 6 on the locking pin A522 causes the locking groove A521 to move towards its deeper part, allowing the milling cutter 6 to rotate normally. When the milling cutter 6 rotates counterclockwise, the force exerted by the surface of the milling cutter 6 on the locking pin A522 causes the locking groove A521 to move towards its shallower part, thus locking the milling cutter 6 through the locking pin A522. Therefore, the milling cutter 6 can rotate clockwise relative to the circular groove 51 but cannot rotate counterclockwise relative to the circular groove 51.

[0040] In embodiments of the present invention, such as Figure 6 , Figure 7 and Figure 11 As shown, the rotating cavity 61 is provided with a plurality of cutters 67 in an annular, equally spaced structure, each adapted to the shape of the milling cutter 6. Both ends of the cutters 67 are arc-shaped. A movable post 68 is fixedly mounted on the top of the cutter 67 relative to the arc groove 63, and the movable post 68 is movably connected to the arc groove 63. A rotating rod, rotatably connected to the rotating cavity 61, is fixedly mounted on the top of the cutter 67 relative to the center of the arc groove 63. Through the above arrangement, the cutters 67 rotate relative to the rotating cavity 61 with the rotating rod, and the movable post 68 moves relative to the arc groove 63. When the movable post 68 is located at the centripetal end of the arc groove 63, the milling cutter 6 and the cutters 67 form a configuration as shown in the diagram. Figure 3 As shown in the straight milling configuration, the solid cam body 1 is milled with a ring notch 13 and an adaptation groove 14 to form a weight-reducing cavity. When the movable column 68 is at the eccentric end of the arc groove 63, several cutters 67 extend out of the rotating cavity 61 and form a shape similar to that of the milling cutter 6. Figure 10 The cross-milling configuration shown uses a cross-milling cutter 67 to mill out the groove 15 and the annular groove 12, completing the machining of the cam body 1. This eliminates the need to change tooling, significantly reducing the machining time of the cam body 1 and improving its machining efficiency.

[0041] In embodiments of the present invention, such as Figure 4 , Figure 7 and Figure 9As shown, the functional mechanism 7 includes an inner shaft 71, which is rotatably disposed in a rotating cavity 61. A forward locking component 72 is provided at the bottom of the inner shaft 71, and the locking end of the forward locking component 72 is movably connected to the rotating cavity 61. A closed displacement channel 73 is provided at the bottom of the inner shaft 71 for driving several movable columns 68 to move simultaneously. The tops of several movable columns 68 are movably connected to the closed displacement channel 73. A frustum-shaped air chamber 74 is provided at the bottom of the inner shaft 71, and a purging component 75 is provided in the air chamber 74. A gear set 76 is provided at the top of the inner shaft 71 for driving the inner shaft 71 and the purging component 75 to rotate at different speeds. The input end of the gear set 76 extends through the top of the round block 5 and into the mounting base 4, and is fixedly connected to the output shaft of the motor 41. Several air grooves B77 are provided on the surface of the inner shaft 71 relative to several air grooves A65, and the air grooves B77 are connected to the air chamber 74.

[0042] In embodiments of the present invention, such as Figure 12 As shown, the forward locking assembly 72 includes a locking groove B721 formed in an annular, equally spaced pattern on the surface of the inner shaft 71. The groove depth of the locking groove B721 gradually increases in a clockwise direction. A locking pin B722 is movably mounted on the locking groove B721. The locking pin B722 and the locking groove B721 are elastically connected by a spring B723. The locking pin B722 is movably connected to the rotating cavity 61. Through the above-described configuration and the principle of the reverse locking assembly 52, the inner shaft 71 can only rotate in the reverse direction relative to the rotating cavity 61. When the inner shaft 71 rotates in the forward direction, the locking groove B721 drives the milling cutter 6 to rotate in the forward direction via the locking pin B722, enabling overall rotation in both straight milling and cross-milling modes. When the inner shaft 71 rotates in the reverse direction, the milling cutter 6 does not rotate, allowing for adjustment between straight milling and cross-milling modes.

[0043] In embodiments of the present invention, such as Figure 8 As shown, the closed displacement channel 73 includes several inclined guide grooves A731 arranged in a ring with equal spacing. Both ends of the inclined guide grooves A731 are provided with arc guide grooves 732, and any two corresponding arc guide grooves 732 are connected through an inclined guide groove B733. Through the above arrangement, when the inner shaft 71 rotates in the reverse direction, the milling cutter 6 does not rotate, and the closed displacement channel 73 rotates relative to the several arc grooves 63. When the movable column 68 moves on the inclined guide grooves A731 and B733, it moves back and forth on the arc grooves 63, causing the cutter 67 to rotate back and forth. When the movable column 68 is located at the arc guide grooves 732 at both ends of the inclined guide groove A731, the cutters 67 and the milling cutter 6 respectively form a straight milling mode and a cross milling mode.

[0044] In embodiments of the present invention, such as Figure 9 and Figure 10As shown, the purging assembly 75 includes a vertical shaft 751, a rotating ring 754, and several threaded plates 752. The vertical shaft 751 is rotatably mounted on the air chamber 74. The several threaded plates 752 are arranged in a ring-shaped, equally spaced arrangement within the air chamber 74. The threaded plates 752 are fixedly connected to the vertical shaft 751. The threaded plates 752 are adapted to the shape of the air chamber 74. A straight plate 753 is fixedly mounted at the bottom end of the threaded plate 752. The bottom end of the vertical shaft 751 passes through the rotating cavity 61 and is fixedly connected to the straight plate 753. The rotating ring 754 is rotatably mounted at the bottom end of the air chamber 74. The threaded plates 752 are fixedly connected to the rotating ring 754. Through the above-described configuration, when the blowing assembly 75 rotates, the gas passes through the filter plate 66 and enters the air chamber 74 from the air groove A65 and the air groove B77. The threaded plate 752 pushes the gas in the frustum-shaped air chamber 74 downward, accelerating the gas output from the slot A64. Several straight plates 753 rotate and output the gas from all sides. During the processing of the cam body 1, the blowing gas is blown out from the inside to the outside, assisting in the discharge of waste chips and preventing the accumulation of waste chips from affecting the cutting. The timely discharge of waste chips will not scratch the processing position of the cam body 1, and also reduces its wear on the cutter 67, thus reducing component wear.

[0045] In embodiments of the present invention, such as Figure 4 , Figure 9 and Figure 12 As shown, the gear set 76 includes a gear ring 761, which is fixed to the top of the inner shaft 71. A central gear 762 is housed within the gear ring 761. The central gear 762 is rotatably connected to the circular groove 51 via a coupling. The top of the coupling passes through the mounting base 4 and is fixedly connected to the output shaft of the motor 41. The top of the vertical shaft 751 extends out of the inner shaft 71 and is fixedly connected to the bottom of the central gear 762. The gear ring 761 and the central gear 762 are rotatably connected by a plurality of side gears 763 arranged in a ring-shaped, equally spaced structure. The side gears 763 are rotatably connected to the circular groove 51. Through the above arrangement, the output shaft of the motor 41 drives the central gear 762 to rotate via the coupling, causing the side gears 763 to rotate and drive the gear ring 761 to rotate. Specifically, the central gear 762 drives the coupling to rotate, and the gear ring 761 drives the inner shaft 71 to rotate.

[0046] Working principle: This embodiment provides an integrated cam plate and its processing tooling. When the integrated cam plate is in use, the annular groove 12 on the surface of the central hole 11 is used to fill solid grease. During the press-fitting process between the cam plate and the cam shaft, the grease forms a lubricating layer, which reduces the frictional resistance of the contact surface between the two, avoids press-fitting jamming, and reduces the risk of surface scratches, significantly reducing assembly defects. The weight reduction cavity and groove 15 achieve weight reduction by removing non-critical area materials. The T-shaped reinforcing rib formed by the gap between the two adaptation grooves 14 precisely strengthens the critical area of ​​the cam plate under stress, maintains the structural strength under working load, and solves the contradiction of traditional cam plates that "lightweight means insufficient strength, and strong means excessive weight". When the machining fixture is in use, the output shaft of the motor 41 drives the central gear 762 in the gear set 76 to rotate through the coupling. The central gear 762 drives the gear ring 761 to rotate through the side gears 763 arranged in a ring at equal intervals, thereby driving the inner shaft 71 to rotate. At the same time, the central gear 762 drives the vertical shaft 751 to rotate synchronously, forming a differential rotation between the inner shaft 71 and the vertical shaft 751. In the initial state, the movable column 68 at the top of the cutter 67 is located at the centripetal end of the arc groove 63, and the cutter 67 is housed in the rotating cavity 61. The milling cutter 6 and several cutters 67 form a straight milling configuration. When the inner shaft 71 rotates in the forward direction, the locking column B722 of the forward locking assembly 72 drives the milling cutter 6 to rotate synchronously in the forward direction. The three-axis moving mechanism 3 controls the milling cutter 6 to mill the solid cam body 1, milling out the weight-reducing cavity formed by the annular notch 13 and the adaptation groove 14. The inner shaft 71 is controlled to rotate in reverse, and the milling cutter 6 remains stationary due to the reverse locking component 52; the closed displacement channel 73 at the bottom of the inner shaft 71 rotates synchronously, and the movable column 68 moves along the closed displacement channel 73, driving the cutter 67 to rotate around the rotating rod and gradually extend out of the rotating cavity 61. When the movable column 68 moves to the eccentric end of the arc groove 63, several cutters 67 fully extend out of the rotating cavity 61 and form a cross-milling mode with the milling cutter 6; The three-axis moving mechanism 3 drives the milling cutter 6 to move, and the cross-milling cutter 67 is used to mill out the groove 15 and the annular groove 12 to complete the machining of the cam body 1. During the processing, the vertical shaft 751 rotates, driving the blowing assembly 75 to rotate. After being filtered by the filter plate 66, the external gas flows into the air chamber 74 from the air groove A65 and the air groove B77. When the threaded plate 752 rotates, it pushes the gas in the air chamber 74 downward, accelerating the gas to be ejected from the hole groove A64 at the bottom center of the rotating chamber 61. Combined with the rotation of the straight plate 753, the gas is diffused to the surroundings, forming a blowing airflow from the inside out, which promptly blows away the waste chips generated during milling, preventing the accumulation of waste chips from affecting the cutting accuracy, scratching the processing surface of the cam body 1, or wearing the cutter 67.

[0047] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. An integrated cam plate, characterized by, The application relates to a cam plate body (1) which is provided with a central hole (11) on the surface of which a plurality of ring grooves (12) are uniformly arranged, and a ring missing groove (13) is arranged on each vertical surface of the cam plate body (1), and the two ends of the ring missing groove (13) are communicated with the adapt grooves (14) which are matched with the shape of the cam plate body (1), the ring missing groove (13) and the two adapt grooves (14) form a weight-reducing cavity, and a groove (15) is arranged at the root edge of the weight-reducing cavity, so that the gap between the two adapt grooves (14) forms a T-shaped reinforcing rib.

2. A machining jig for an integrated cam plate, which is suitable for machining of the integrated cam plate according to claim 1, characterized by The application relates to a machining table (2) which is provided with a three-axis moving mechanism (3) fixedly arranged on the machining table (2), an installation seat (4) fixedly arranged at the movable end of the three-axis moving mechanism (3), a round block (5) fixedly arranged at the bottom end of the installation seat (4), and a milling cutter (6) provided with a functional mechanism (7) on the round block (5). A rotating cavity (61) is arranged at the bottom end of the milling cutter (6), a plurality of cutter knives (67) matched with the shape of the milling cutter (6) are arranged on the rotating cavity (61) in an annular equidistant structure. The milling cutter (6) can form a straight milling mode together with the cutter knives (67) and is used for machining the weight-reducing cavity; the milling cutter (6) can also form a horizontal milling mode together with the cutter knives (67) and is used for machining the groove (15) and the ring groove (12).

3. The machining tooling fixture of claim 2, wherein, A circular groove (51) is arranged at the bottom end of the round block (5), the milling cutter (6) is rotatably arranged on the circular groove (51), an inverse locking assembly (52) is arranged on the circular groove (51), the inverse locking assembly (52) comprises a lock groove A (521) arranged on the surface of the circular groove (51) in an annular equidistant structure, the depth of the lock groove A (521) gradually increases along the clockwise direction, a lock column A (522) is movably arranged on the lock groove A (521), the lock column A (522) is elastically connected with the lock groove A (521) through a spring A (523), and the lock column A (522) is movably connected with the surface of the milling cutter (6).

4. The machining tooling fixture of claim 3, wherein, An axle groove (62) is arranged at the top end of the milling cutter (6), a plurality of arc grooves (63) communicated with the rotating cavity (61) are arranged at the bottom end of the axle groove (62) in an annular equidistant structure, a hole groove A (64) communicated with the rotating cavity (61) is arranged at the bottom center position of the rotating cavity (61), a plurality of air grooves A (65) are arranged on the top of the milling cutter (6) in an annular equidistant structure, and a filter plate (66) is fixedly arranged on the air groove A (65). The cutter knives (67) are in arc surface structures at the two ends, an activity column (68) movably connected with the arc groove (63) is fixedly arranged at the top end of the cutter knife (67), and a rotating rod rotatably connected with the rotating cavity (61) is fixedly arranged at the top end of the cutter knife (67) relative to the arc center position of the arc groove (63).

5. The machining tooling fixture of claim 4, wherein, The function mechanism (7) comprises an inner shaft (71) rotatably arranged in the rotating cavity (61), the bottom of the inner shaft (71) is provided with a forward locking assembly (72), the locking end of the forward locking assembly (72) is movably connected with the rotating cavity (61), and the bottom end of the inner shaft (71) is provided with a closed displacement channel (73) for driving a plurality of movable columns (68) to move simultaneously.

6. The machining tooling fixture of claim 5, wherein, The closed displacement channel (73) comprises a plurality of inclined guide grooves A (731) arranged in an annular equidistant structure, both ends of the inclined guide groove A (731) are provided with an arc guide groove (732), and any corresponding two arc guide grooves (732) are connected in communication through an inclined guide groove B (733).

7. The machining tooling fixture of claim 5, wherein, The mounting seat (4) is fixedly provided with a motor (41); the bottom end of the inner shaft (71) is provided with a circular truncated cone-shaped air cavity (74), the air cavity (74) is provided with a blowing assembly (75), the top end of the inner shaft (71) is provided with a gear set (76) for driving the inner shaft (71) and the blowing assembly (75) to rotate at different speeds, the input end of the gear set (76) extends out of the top end of the circular block (5) and extends into the mounting seat (4) and is fixedly connected with the output shaft of the motor (41), a plurality of air grooves B (77) are arranged on the surface of the inner shaft (71) at positions corresponding to a plurality of air grooves A (65), and the air grooves B (77) are connected with the air cavity (74).

8. The machining tooling fixture of claim 5, wherein, The forward locking assembly (72) comprises a lock groove B (721) arranged on the surface of the inner shaft (71) in an annular equidistant structure, the groove depth of the lock groove B (721) gradually increases in the clockwise direction, a lock column B (722) is movably arranged on the lock groove B (721), the lock column B (722) is elastically connected with the lock groove B (721) through a spring B (723), and the lock column B (722) is movably connected with the rotating cavity (61).

9. The machining tooling fixture of claim 7, wherein, The blowing assembly (75) comprises a vertical shaft (751), a rotating ring (754) and a plurality of threaded plates (752), the vertical shaft (751) is rotatably arranged on the air cavity (74), a plurality of threaded plates (752) are arranged in an annular equidistant structure in the air cavity (74), the threaded plates (752) are fixedly connected with the vertical shaft (751), the threaded plates (752) are matched with the air cavity (74) in shape, a straight plate (753) is fixedly arranged at the bottom end of the threaded plate (752), the bottom end of the vertical shaft (751) penetrates into the rotating cavity (61) and is fixedly connected with the straight plate (753), and the rotating ring (754) is rotatably arranged at the bottom end of the air cavity (74).

10. The machining tool of claim 9, wherein, The gear set (76) comprises a gear ring (761) fixed at the top end of the inner shaft (71), the gear ring (761) is internally provided with a central gear (762), the central gear (762) is rotationally connected with the circular groove (51) through a connecting shaft, the top end of the connecting shaft penetrates into the mounting seat (4) and is fixedly connected with the output shaft of the motor (41), the top end of the vertical shaft (751) penetrates out of the inner shaft (71) and is fixedly connected with the bottom end of the central gear (762), the gear ring (761) and the central gear (762) are rotationally connected through a plurality of edge gears (763) arranged in a ring shape and at equal intervals, and the edge gears (763) are rotationally connected with the circular groove (51).

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