A multi-element alloy part machining device

Abstract

A multi-alloy parts processing apparatus, relating to the technical field of multi-alloy processing equipment, includes a body, a mandrel, a first spray section, a second spray section, and a working section. The first spray section includes a spray pipe that extends or retracts from the side wall of the body in response to the mandrel's back-and-forth movement; the spray pipe has multiple nozzles arranged along a central axis. The working section includes a support radially movable from the body and an oilstone fixed to the outside of the support. The working section has an open state where the oilstone is radially away from the central axis and a retracted state where the oilstone is radially closer to the central axis. In the open state, the nozzles are located away from the central axis and spray circumferentially flowing coolant; in the retracted state, the nozzles are located close to the central axis and stop spraying coolant.

Description

Technical Field

[0001] This invention relates to the field of multi-alloy processing equipment technology, specifically to a processing device for improving the surface finish of the inner holes of multi-alloy parts. Background Technology

[0002] The surface roughness requirements for the inner holes of multi-alloy parts used in aerospace are extremely high and stringent, typically needing to be controlled within the range of Ra 0.025-1.6μm. The specific values ​​vary depending on the function and operating conditions of the parts, and their importance is directly related to flight safety, equipment reliability, and service life.

[0003] Due to the high hardness of the aforementioned multi-alloy parts, honing is commonly used in existing technologies to improve the surface finish of the inner holes. A honing machine generally consists of a machine body and a honing head. The honing head can rotate and reciprocate relative to the machine body, thus rubbing against various parts of the inner wall of the pipe. During the honing process, the friction between the honing head and the inner wall generates high temperatures. To ensure normal processing, the temperature at the processing location needs to be controlled. Existing technologies use coolant spraying into the pipe to dissipate heat. However, in existing honing equipment, relying solely on external coolant spraying is insufficient to achieve uniform heat dissipation in the processing area. Summary of the Invention

[0004] The present invention provides a multi-alloy parts processing device that addresses the above-mentioned technical problems existing in the prior art, which can uniformly spray coolant onto the processing surface to uniformly cool the processing area.

[0005] To achieve the aforementioned technical objectives, in a first aspect, this application discloses a multi-alloy parts processing apparatus, comprising: a body having a central axis extending in a front-rear direction, a central hole portion having a central hole portion coaxial with the body; a plurality of radial groove portions uniformly arranged around the central axis and penetrating its sidewalls at the front of the body; a mandrel located within the central hole portion and capable of moving back and forth in the direction of the central axis; a first spraying section including a spray pipe extending from and retracting from the sidewall of the body in response to the front-rear movement of the mandrel, the spray pipe having a plurality of nozzle portions arranged along the direction of the central axis; a working section including a support movable in the radial direction of the body, and an oilstone fixed to the outside of the support; the working section having an open state where the oilstone is radially away from the central axis, and a contracted state where the oilstone is radially close to the central axis; wherein, the nozzle portions are located between two adjacent oilstones; in the open state, the nozzle portions are located away from the central axis and spray circumferentially flowing coolant; in the contracted state, the nozzle portions are located close to the central axis and stop spraying coolant.

[0006] In one possible implementation, the first spray section has a pipe body, a first extension arm, and a second extension arm; the first extension arm is located at one end of the spray pipe, and the second extension arm is located at the other end of the spray pipe; the nozzle section is located on the pipe body; the spindle has a first conical surface and a second conical surface arranged axially spaced apart; the first conical surface abuts against the free end of the first extension arm, and the second conical surface abuts against the free end of the second extension arm; the front end diameter of the first conical surface is smaller than its rear end diameter; the front end diameter of the second conical surface is smaller than its rear end diameter.

[0007] In one possible implementation, the sidewall of the body is provided with a first axially extending hole, and a first radial hole and a second radial hole respectively communicating with the first axial hole; the first radial hole and the second radial hole extend in the radial direction; a first piston portion and a second piston portion are provided on the first extension arm at intervals, the outer diameter of the first piston portion and the second piston portion being larger than the outer diameter of the first extension arm; a third piston portion and a fourth piston portion are provided on the second extension arm at intervals, the outer diameter of the third piston portion and the fourth piston portion being larger than the outer diameter of the second extension arm; a first annular groove is formed between the first piston portion and the second piston portion, and between the third piston portion and the fourth piston portion, respectively, and a water inlet is provided at the bottom of the first annular groove, which communicates with the nozzle portion; in the open state, the first annular groove is connected to the first axial hole, and the coolant flows from the first axial hole to the nozzle portion; in the contracted state, the first annular groove is offset from the first axial hole to close the flow path of the coolant.

[0008] In one possible implementation, a receiving groove is formed between the ports of the first radial hole and the second radial hole located radially outward to recess into the body to accommodate the tube body portion.

[0009] In one possible implementation, the first spray section further includes a first return spring, which provides an elastic force to move the spray pipe radially inward after the spray pipe loses its radially inward support.

[0010] In one possible embodiment, the multi-alloy parts processing apparatus further includes a second spray section for spraying axially flowing coolant; the side wall of the main body is provided with an axially extending second axial hole and a spray hole with one end communicating with the second axial hole and the other end extending to the outer surface of the main body; the side wall of the main body is also provided with a radially extending third radial hole communicating with the second axial hole; the second spray section includes a valve core, which is radially slidably connected to the third radial hole, and the outer wall surface of the valve core is provided with a second annular groove; in the open state, the second annular groove is offset from the second axial hole to close the second axial hole; in the contracted state, the position of the second annular groove corresponds to that of the second axial hole to open the liquid flow path between the second axial hole and the spray hole.

[0011] In one possible implementation, the mandrel has a third conical surface corresponding to the third radial hole, and the end of the valve core located radially inward abuts against the third conical surface; the front diameter of the third conical surface is larger than its rear diameter.

[0012] In one possible implementation, the second spray section further includes a second return spring, which provides an elastic force to move the valve core radially inward.

[0013] In one possible implementation, the multi-alloy parts processing apparatus further includes a drive unit; the drive unit includes a cavity formed at the rear of the body, and a piston portion is provided at the rear end of the mandrel; the piston portion is axially slidable and sealed to the cavity, and a cylinder head is provided at the rear end of the body to seal the cavity; a third return spring is provided between the piston portion and the body, the third return spring being used to provide an elastic force to move the mandrel backward.

[0014] In one possible implementation, the main body is further provided with a liquid dispensing tank, which is connected to the first spray section and the second spray section respectively, for selectively supplying coolant to the first spray section or the second spray section.

[0015] One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages: a multi-alloy parts processing device can uniformly spray coolant onto the processing surface to uniformly cool the processing area.

[0016] The device includes a first spray section and a second spray section. The first spray section is located at the front of the main body and sprays coolant in a circumferential direction, while the second spray section sprays coolant in a roughly axial direction. Attached Figure Description

[0017] Figure 1 This is a perspective view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0018] Figure 2 This is a rear view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0019] Figure 3 for Figure 2 AA section view in the image.

[0020] Figure 4 for Figure 3 A magnified view of a portion of C in the image.

[0021] Figure 5 for Figure 2 BB section view in the middle.

[0022] Figure 6 for Figure 5 A magnified view of a portion of D in the image.

[0023] Figure 7 This is an exploded view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0024] Figure 8 This is a structural diagram of the main body of a multi-alloy parts processing device according to an embodiment of the present invention.

[0025] Figure 9 This is a cross-sectional view of the main body of a multi-alloy parts processing device according to an embodiment of the present invention.

[0026] Figure 10 This is a structural diagram of the spray pipe 310 in a multi-alloy parts processing device according to an embodiment of the present invention.

[0027] Figure 11 This is a front view of the spray pipe 310 in a multi-alloy parts processing device according to an embodiment of the present invention.

[0028] Figure 12 This is a structural diagram of the mandrel in a multi-alloy parts processing device according to an embodiment of the present invention.

[0029] Figure 13 This is a schematic diagram of a part structure for internal surface machining using a multi-alloy part machining apparatus according to an embodiment of the present invention.

[0030] Explanation of reference numerals in the attached figures 100. Body; 110. Central hole; 120. Radial groove; 130. Cooling pipe; 131. First radial hole; 132. Second radial hole; 133. Receiving groove; 134. First axial hole; 135. Liquid distribution groove; 136. Second axial hole; 137. Spray hole; 138. Third radial hole; 140. Central shaft; 150. Liquid inlet; 160. Recess; 170. Sealing plug; 180. Support ring; 200, mandrel; 210, first conical surface; 220, second conical surface; 230, third conical surface; 240, piston part; 250, support part; 251, first support part; 252, second support part; 253, third support part; 300, First spray section; 310, Spray pipe; 311, First piston section; 312, Second piston section; 313, Pipe body section; 313a, First extension arm; 313b, Second extension arm; 314, Third piston section; 315, Fourth piston section; 316, Water inlet; 317, Nozzle section; 318, First abutment section; 319, Second abutment section; 320, First annular groove; 330, First return spring; 340, First pressure cap; 400, Second spray section; 410, Valve core; 411, Third abutment section; 412, Second annular groove; 420, Second return spring; 430, Fixing cap; 500, Drive unit; 510, Cavity; 520, Cylinder head; 521, Injection port; 530, Third return spring; 600, Working part; 610, Support; 611, First extension; 612, Second extension; 620, Oilstone; 630, Ring spring.

[0031] 900, workpiece; 910, inner surface. Detailed Implementation

[0032] Other objects and advantages of the present invention will become clear by explaining the preferred embodiments of the present application below.

[0033] Figure 1 This is a perspective view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0034] like Figure 1 As shown, a multi-alloy parts processing apparatus includes a body 100, a mandrel 200, a first spray section 300, a second spray section 400, and a working section 600. For clarity, in... Figure 1 The front and back directions are marked in the middle. Like... Figure 1 As indicated, the main body 100 has a central axis 140 extending in the front-rear direction, and the device rotates around the central axis 140 during operation. A plurality of circumferentially arranged radial grooves 120 are provided at the front of the main body 100. The working part 600 includes a support 610 and an oilstone 620. The support 610 is located within the radial groove 120 and is slidably connected to the radial groove 120 in the radial direction. The number of supports 610 and oilstones 620 is equal to the number of radial grooves 120, forming a one-to-one correspondence. The spindle 200 is located inside the main body 100 and is axially slidably connected to the main body 100, used to drive the supports 610 and oilstones 620 to extend or retract along the radial grooves 120.

[0035] It should be noted that in this application, "axial" refers to the direction parallel to the central axis 140, "radial" refers to the direction perpendicular to the central axis 140, and "circumferential" refers to the circumferential direction around the central axis 140. In this application, "front," "front end," "front side," and "front part" refer to... Figure 1 The terms "forward," "rear," "rear end," "rear," and "rear part" in the label refer to... Figure 1 The area marked "behind" in the middle. Other attached diagrams and... Figure 1 The directions are the same.

[0036] The device also includes a first spray section 300 and a second spray section 400. The first spray section 300 is located at the front of the body 100 and sprays coolant in a circumferential direction, while the second spray section 400 sprays coolant in a roughly axial direction.

[0037] Figure 2 This is a rear view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0038] like Figure 2 As shown, the contact surface between the honing stone 620 and the workpiece is located on the outermost side in the radial direction. The coolant sprayed by the first spray section 300 is roughly along the circumferential direction and corresponds one-to-one with the honing stone 620, which improves the cooling effect and the cleaning effect of honing debris.

[0039] Figure 2 The image also shows an annular spring 630 surrounding the outer side of the body 100, which is used to apply a radially inward force to the oilstone 620, causing it to return to its original position.

[0040] Figure 3 for Figure 2 AA section view in the image. Figure 4 for Figure 3 A magnified view of a portion of C in the image. Figure 9 This is a cross-sectional view of the main body of a multi-alloy parts processing device according to an embodiment of the present invention. Figure 10 This is a structural diagram of the spray pipe 310 in a multi-alloy parts processing device according to an embodiment of the present invention. Figure 11 This is a front view of the spray pipe 310 in a multi-alloy parts processing device according to an embodiment of the present invention. Figure 12 This is a structural diagram of the mandrel in a multi-alloy parts processing device according to an embodiment of the present invention.

[0041] like Figure 3 and Figure 4 As shown, the body 100 has a central hole 110, and the spindle 200 is located inside the central hole 110 and is axially slidably connected to the central hole 110.

[0042] Figure 3 The diagram illustrates a drive unit 500, which includes a cavity 510 formed at the rear of a body 100. A piston portion 240 at the rear end of a spindle 200 is axially slidably and sealingly connected to the cavity 510. A cylinder head 520, which seals the cavity 510, is also provided at the rear end of the body 100. The cavity 510 also has an injection port 521 communicating with a pressure source, which may be formed, for example, on the cylinder head 520. The cavity 510 is formed between the cylinder head 520 and the piston portion 240. By injecting fluid into the injection port 521, the spindle 200 can be pushed forward to move axially along the central axis 140. The pressure source may be, for example, a hydraulic source or a pneumatic source. A third return spring 530 is also provided between the piston portion 240 and the body 100, which, after the pressure in the cavity 510 is reduced, pushes the spindle 200 backward in the axial direction to reset it.

[0043] It should be noted that the aforementioned drive unit 500 can also use existing mechanical transmission methods to drive the spindle 200 forward.

[0044] Combination Figure 9 As shown, the cooling pipe 130 within the body 100 includes a first radial hole 131, a second radial hole 132, a receiving groove 133, and a first axial hole 134. Specifically, an annular liquid distribution groove 135 is provided within the side wall of the body 100, and a first axial hole 134 communicating with the liquid distribution groove 135 and extending along the axial direction. The front portion of the body has a first radial hole 131 and a second radial hole 132 extending radially. The aforementioned first axial hole 134 communicates with the first radial hole 131 and the second radial hole 132, respectively. A receiving groove 133 recessed into the body 100 is formed between the radially outer ports of the first radial hole 131 and the second radial hole 132, and this receiving groove 133 serves to accommodate the spray pipe 310 when it retracts.

[0045] Combination Figure 10 and Figure 11 As shown, the first spray section 300 includes a generally U-shaped spray pipe 310. This spray pipe 310 is radially slidably connected to the body 100. As the spindle 200 moves back and forth, the spray pipe 310 extends or retracts radially. Specifically, in conjunction with... Figure 12 As shown, the spindle 200 has a first conical surface 210 and a second conical surface 220 arranged axially at intervals. The spray pipe 310 has a first abutting portion 318 that abuts against the first conical surface 210 and a second abutting portion 319 that abuts against the second conical surface 220.

[0046] The front diameters of the first conical surface 210 and the second conical surface 220 are smaller than their rear diameters, so that when the spindle 200 moves forward, the spray pipe 310 moves radially outward under the action of the first conical surface 210 and the second conical surface 220.

[0047] like Figure 12 As shown, a support portion 250 is provided on the mandrel 200. This support portion 250 includes a first support portion 251 and a second support portion 252 located at the middle of the mandrel 200. The first and second support portions 251 and 252 are connected to the central hole 110 of the body 100, used for positioning the mandrel 200 and providing support for the mandrel 200's back-and-forth movement. The support portion 250 also includes a third support portion 253 located at the front end of the mandrel 200, which is connected to the body 100 via a support ring 180. A piston portion 240 is provided at the rear end of the mandrel 200, and the piston portion 240 is axially movable and sealed to the cavity 510.

[0048] The spray pipe 310 is generally U-shaped and has a pipe body 313, a first extension arm 313a, and a second extension arm 313b. The first extension arm 313a is located at one end of the pipe body 313, and the second extension arm 313b is located at the other end of the pipe body 313. A plurality of nozzles 317 are evenly distributed on the pipe body 313 for spraying coolant.

[0049] The first extension arm 313a has a first piston portion 311 and a second piston portion 312 arranged at intervals. The outer diameter of the first piston portion 311 and the second piston portion 312 is larger than the outer diameter of the first extension arm 313a and matches the inner diameter of the first radial hole 131. A first annular groove 320 is provided between the first piston portion 311 and the second piston portion 312. The first annular groove 320 communicates with the inner hole of the spray pipe 310 through the water inlet 316, and is provided to deliver coolant to the nozzle portion 317 through the inner hole of the spray pipe 310.

[0050] Similarly, the second extension arm 313b is provided with a third piston portion 314 and a fourth piston portion 315 arranged at intervals. The diameters of the third piston portion 314 and the fourth piston portion 315 are larger than the outer diameter of the second extension arm 313b and match the inner diameter of the second radial hole 132. A first annular groove 320 is also provided between the third piston portion 314 and the fourth piston portion 315, and the first annular groove 320 is also provided with a water inlet 316.

[0051] A first abutting portion 318 is provided at the free end of the first extension arm 313a, and a second abutting portion 319 is provided at the free end of the second extension arm 313b. The first abutting portion 318 and the second abutting portion preferably have spherical tops.

[0052] For example Figure 3 and Figure 4 As shown, the first spray section 300 also includes a first return spring 330 and a first pressure cover 340. The first pressure cover 340 is fixedly connected to the body 100. One end of the first return spring 330 abuts against the first pressure cover 340 and the other end abuts against the spray pipe 310. It is used to provide an elastic force to make the spray pipe 310 move radially inward after it loses the radial inward support force.

[0053] Figure 5 for Figure 2 BB section view in the middle. Figure 6 for Figure 5 A magnified view of a portion of D in the image.

[0054] like Figure 5As shown, the method by which the mandrel 200 drives the support 610 and the whetstone 620 to move radially outward in this invention is the same as in the prior art. Specifically, a first extension 611 and a second extension 612 are provided on the radially inner side of the support 610. The radially inner end of the first extension 611 abuts against the first conical surface 210 of the mandrel 200, and the radially inner end of the second extension 612 abuts against the second conical surface 220 of the mandrel 200. When the mandrel 200 moves forward, the first conical surface 210 pushes the first extension 611, and the second conical surface 220 pushes the second extension 612 to move radially outward. The support 610 then pushes the whetstone 620 to move radially outward.

[0055] like Figure 5 and Figure 6 As shown, the multi-alloy parts processing apparatus of the present invention further includes a second spray section 400, which is located in the middle of the body 100. Specifically, an axially extending second axial hole 136 is provided in the side wall of the body 100, and a liquid spraying hole 137 is provided, one end of which communicates with the second axial hole 136 and the other end of which extends to the outer surface of the body 100. Preferably, an annular recess 160 is provided on the outer surface of the body 100, and the outer end of the liquid spraying hole 137 is located on the rear side wall of the recess 160.

[0056] The rear end of the second axial hole 136 communicates with the liquid distribution tank 135. The second axial hole 136 and the first axial hole 134 are offset at a certain angle in the circumferential direction to avoid interference between them. The body 100 is provided with a liquid inlet hole 150 communicating with the liquid distribution tank 135. Liquid is supplied to the liquid distribution tank 135 through the liquid inlet hole 150, and then the liquid distribution tank 135 supplies coolant to the first spray section 300 and the second spray section 400.

[0057] The side wall of the body 100 is also provided with a radially extending third radial hole 138, which communicates with the second axial hole 136. A valve core 410 is provided within the third radial hole 138, and a second annular groove 412 is provided on the outer wall surface of the valve core 410. The valve core 410 is capable of reciprocating along the third radial hole 138, and has positions where the second annular groove 412 corresponds to and is offset from the second axial hole 136. When the second annular groove 412 is opposite to the second axial hole 136, the flow path between the second axial hole 136 and the spray hole 137 is opened; when the second annular groove 412 is offset from the second axial hole, the flow path between the second axial hole 136 and the spray hole 137 is closed.

[0058] Corresponding to the third radial hole 138, a third conical surface 230 is provided on the spindle 200, and the radially inner end of the valve core 410 (i.e., the third abutment portion 411) abuts against the third conical surface 230. Figure 11As shown, the front diameter of the third conical surface 230 is larger than its rear diameter, so that when the spindle 200 moves axially backward, the third conical surface 230 pushes the valve core 410 to move radially outward.

[0059] A second return spring 420 and a fixing cap 430 are also provided in the third radial hole 138. The fixing cap 430 is fixedly connected to the body 100. One end of the second return spring 420 abuts against the valve core 410 and the other end abuts against the fixing cap 430, and is used to provide an elastic force to move the valve core 410 radially inward.

[0060] Figure 7 This is an exploded view of a multi-alloy parts processing apparatus according to an embodiment of the present invention.

[0061] For ease of understanding, Figure 7 The diagram shows the number and relative positions of the components (excluding the main body 100). Multiple supports 610 and oilstones 620 are evenly distributed around the central axis 140. Multiple spray pipes 310 are also present, located between adjacent oilstones 620. In this embodiment, the number of spray pipes 310, supports 610, and oilstones 620 is the same. The number of valve cores 410 can be, for example, the same as the number of spray pipes 310, and they are also evenly distributed around the central axis 140.

[0062] Figure 8 This is a structural diagram of the body 100 in a multi-alloy parts processing device according to an embodiment of the present invention.

[0063] like Figure 8 As shown, a sealing plug 170 is installed at the opening of the first axial hole 134 in the body 100 to seal the opening of the first axial hole 134. A support ring 180 is provided at the front end opening of the middle hole 110 of the body 100. The support ring 180 is located between the middle hole 110 and the spindle 200 and is used to support the spindle 200.

[0064] Figure 13 This is a schematic diagram of a part structure for internal surface machining using a multi-alloy part machining apparatus according to an embodiment of the present invention.

[0065] Combination Figures 1 to 13To illustrate, in workpiece 900, the diameter of the inner surface 910 to be machined is larger than the diameter of its orifice. To allow the device to enter the inner hole of workpiece 900, the valve core 410 is moved backward, placing the device in a retracted state. In this retracted state, the outer diameters of the whetstone 620 and the first spray section 300 are both small, allowing them to pass through the orifice of workpiece 900 and enter the area to be machined. Adjusting the device so that the valve core is in front, placing the device in an open state, allows both the whetstone 620 and the first spray section 300 to extend from the body 100. Maintaining the fluid pressure within the cavity 510 of the drive section 500 ensures that the whetstone 620 exerts a suitable force on the inner surface 910 of workpiece 900, facilitating machining.

[0066] In the open state, the first conical surface 210 and the second conical surface 220 of the spindle 200 push the spray pipe 310 to move radially outward. The water inlet 316 on the spray pipe 310 communicates with the first axial hole 134, the first spray section 300 is in the open state, and the nozzle section 317 sprays coolant. At the same time, the third conical surface 230 moves forward, and under the action of the second return spring 420, the valve core 410 moves radially inward, the valve core 410 closes the second axial hole 136, thereby the second spray section 400 is in the closed state.

[0067] In the contracted state, the first conical surface 210 and the second conical surface 220 of the spindle 200 move backward. Under the action of the first return spring 330, the spray pipe 310 moves radially inward, and the second piston portion 312 and the third piston portion 314 on the spray pipe 310 close the first axial hole 134. The nozzle portion 317 on the spray pipe 310 does not spray coolant. At the same time, the third conical surface 230 moves backward, and under the action of the third conical surface 230, the valve core 410 moves radially outward. The second annular groove 412 of the valve core 410 connects with the second axial hole 136, so that the coolant can flow through the second axial hole 136 to the spray hole 137, and then spray out the axially flowing coolant.

[0068] Therefore, before processing the inner surface 910 of the workpiece 900 using the multi-alloy parts processing apparatus of the present invention, axially flowing coolant can be sprayed onto the surface to be processed through the spray hole 137. With the rotation of the apparatus, the inner surface 910 can be cleaned and cooled. By moving the mandrel 200 forward, the apparatus can switch from a retracted state to an open state. The inner surface 910 of the workpiece 900 is then honed using the honing stone 620. During honing, the first spray section 300 sprays coolant onto the honing stone 620 and the inner surface of the workpiece 900, cooling the workpiece 900 and removing honing debris. After processing is completed, the fluid pressure inside the cavity 510 is reduced. Under the action of the third return spring 530, the mandrel 200 moves backward, and the apparatus switches back from the open state to the retracted state. The second spray section 400 again sprays axially flowing coolant onto the processed surface to clean the remaining honing debris from the inner surface 910 of the workpiece 900. Finally, in the retracted state, the device can exit through the orifice of the workpiece 900, completing the processing. In this invention, the first spray section 300 and the second spray section 400 work alternately, thereby concentrating the spraying of coolant onto the processing surface through the first spray section 300 during processing, avoiding insufficient coolant supply.

[0069] In summary, the multi-alloy parts processing apparatus of this application can be used for at least, for example... Figure 13 The machining of the inner surface 910 of the part shown improves its surface finish. Furthermore, during machining, the first spray unit 300 can evenly spray coolant onto the machining position, improving cooling and honing chip removal. The second spray unit 400 can spray coolant in the axial direction, cleaning the machined surface before and after machining, thus improving the cleaning effect.

[0070] The preferred technical solution of this application has been described in detail for the processing apparatus for multi-alloy parts. However, it should be noted that, without departing from the spirit of this application, those skilled in the art can make any modifications, alterations, and variations based on the above disclosure. This application includes the above-described specific embodiments and any equivalent forms.

Claims

1. A multi-alloy parts processing device, characterized in that, have: The body (100) has a central axis (140) extending in the front-rear direction, and a central hole (110) is provided inside the body (100), the central hole (110) being coaxially arranged with the body (100); the front part of the body (100) is provided with a plurality of radial grooves (120) evenly arranged around the central axis (140) and penetrating its sidewall. The mandrel (200), located within the central hole (110), is capable of moving back and forth in the direction of the central axis (140). The first spray section (300) includes a spray pipe (310) that extends and retracts from the side wall of the body (100) in response to the back-and-forth movement of the spindle (200), and the spray pipe (310) is provided with a plurality of nozzle sections (317) arranged along the direction of the central axis (140). The working part (600) includes a support (610) that is radially movable along the body (100) and an oilstone (620) fixed to the outside of the support (610); the working part (600) has an open state in which the oilstone (620) is radially away from the central axis (140) and a contracted state in which the oilstone (620) is radially close to the central axis (140); The nozzle (317) is located between two adjacent oilstones (620); in the open state, the nozzle (317) is located away from the central axis (140) and sprays out circumferentially flowing coolant; in the closed state, the nozzle (317) is located close to the central axis (140) and stops spraying coolant. The multi-alloy parts processing device further includes a second spray section (400), which is used to spray out axially flowing coolant; The body (100) has an axially extending second axial hole (136) in the side wall, and a spray hole (137) with one end connected to the second axial hole (136) and the other end extending to the outer surface of the body (100). The sidewall of the body (100) is also provided with a third radial hole (138) that extends radially and communicates with the second axial hole (136). The second spray section (400) includes a valve core (410), which is radially slidably connected to the third radial hole (138), and the outer wall surface of the valve core (410) is provided with a second annular groove (412). In the open state, the second annular groove (412) is offset from the second axial hole (136) to close the second axial hole (136). In the contracted state, the second annular groove (412) corresponds to the position of the second axial hole (136) to open the liquid flow path between the second axial hole (136) and the injection hole (137); The mandrel (200) has a third conical surface (230) corresponding to the third radial hole (138), and the end of the valve core (410) located on the radially inner side abuts against the third conical surface (230); The front diameter of the third conical surface (230) is larger than its rear diameter; The second spray section (400) also includes a second return spring (420) for providing an elastic force that causes the valve core (410) to move radially inward.

2. The multi-alloy parts processing apparatus as described in claim 1, characterized in that, The first spray section (300) has a pipe body (313), a first extension arm (313a), and a second extension arm (313b). The first extension arm (313a) is located at one end of the spray pipe (310), and the second extension arm (313b) is located at the other end of the spray pipe (310); The nozzle portion (317) is located on the tube body portion (313); The mandrel (200) has a first conical surface (210) and a second conical surface (220) arranged axially spaced apart; the first conical surface (210) abuts against the free end of the first extension arm (313a), and the second conical surface (220) abuts against the free end of the second extension arm (313b); The front diameter of the first conical surface (210) is smaller than its rear diameter; The front diameter of the second conical surface (220) is smaller than its rear diameter.

3. The multi-alloy parts processing apparatus as described in claim 2, characterized in that, The body (100) has an axially extending first axial hole (134) in the side wall, and a first radial hole (131) and a second radial hole (132) respectively communicating with the first axial hole (134). The first radial hole (131) and the second radial hole (132) extend in the radial direction; The first extension arm (313a) is provided with a first piston portion (311) and a second piston portion (312) arranged at intervals, and the outer diameters of the first piston portion (311) and the second piston portion (312) are larger than the outer diameter of the first extension arm (313a); The second extension arm (313b) is provided with a third piston portion (314) and a fourth piston portion (315) arranged at intervals, and the outer diameter of the third piston portion (314) and the fourth piston portion (315) is larger than the outer diameter of the second extension arm (313b); A first annular groove (320) is formed between the first piston portion (311) and the second piston portion (312), and between the third piston portion (314) and the fourth piston portion (315). The bottom of the first annular groove (320) is provided with a water inlet (316), which is connected to the nozzle part (317); In the open state, the first annular groove (320) is connected to the first axial hole (134), and the coolant flows from the first axial hole (134) to the nozzle portion (317). In the contracted state, the first annular groove (320) is offset from the first axial hole (134) to close the flow path of the coolant.

4. The multi-alloy parts processing apparatus as described in claim 3, characterized in that, A receiving groove (133) is formed between the ports of the first radial hole (131) and the second radial hole (132) located on the radially outer side, which is recessed into the body (100) to accommodate the tube portion (313).

5. The multi-alloy parts processing apparatus as described in claim 3, characterized in that, The first spray section (300) also includes a first return spring (330), which provides an elastic force to move the spray pipe (310) radially inward after the spray pipe (310) loses its radial inward support.

6. The multi-alloy parts processing apparatus as described in claim 1, characterized in that, The multi-alloy parts processing device also includes a drive unit (500). The drive unit (500) includes a cavity (510) formed at the rear of the body (100), and a piston part (240) is provided at the rear end of the spindle (200); the piston part (240) and the cavity (510) are axially slidable and sealed together, and a cylinder head (520) is also provided at the rear end of the body (100) to seal the cavity (510). A third return spring (530) is provided between the piston portion (240) and the body (100), the third return spring (530) being used to provide an elastic force that causes the spindle (200) to move backward.

7. The multi-alloy parts processing apparatus as described in claim 1, characterized in that, The main body (100) is also provided with a liquid dispensing tank (135), which is connected to the first spray section (300) and the second spray section (400) respectively, and is used to selectively supply coolant to the first spray section (300) or the second spray section (400).

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