Clamping adjusting device and method for arc-shaped cavity cone part

Abstract

The invention relates to a clamping adjusting device and method for an arc-shaped cavity cone part, and belongs to the field of machining. The device comprises a top plate, an adjusting shaft and a supporting part, the supporting part comprises a supporting base, an adjusting wheel, an adjusting handle, a pin shaft, a guide block, a pull rod, an ejector rod and a fixing base. The supporting base is provided with a cavity structure for containing the adjusting wheel, the adjusting handle, the pin shaft, the guide block, the pull rod, the ejector rod and the fixing base. The adjusting wheel is fixed to the supporting base and rotates around the pin shaft, the adjusting handle is fixed to the adjusting wheel and rotates along the adjusting wheel to indirectly drive the ejector rod to move up and down along the guide block, and fastening clamping is carried out after the ejector rod is adjusted to a proper posture. According to the method, tiny deformation generated by new technologies such as additive printing forming can be made up, and the clamping efficiency of machining and the machining quality of products are improved.

Description

Technical Field

[0001] This invention belongs to the field of machining and relates to a clamping and adjusting device and method for an arc-shaped hollow cone part. Background Technology

[0002] In recent years, aerospace technology has developed rapidly, especially in ultra-thin-walled and ultra-lightweight design and innovative large-cavity structural design, showing remarkable progress. Common arc-shaped cavity cone components utilize numerous new technologies such as additive printing, thermoplastic molding, and precision casting. When faced with so many new processes and technologies during machining, traditional clamping methods cannot compensate for the subtle deformations introduced by additive printing and other new technologies, indirectly affecting machining efficiency and product quality. Therefore, the technical level of efficiently and effectively adjusting clamping posture accuracy urgently needs improvement. Summary of the Invention

[0003] The technical problem solved by the present invention is to overcome the shortcomings of the prior art. The present invention provides a clamping and adjusting device and method for an arc-shaped hollow cone part.

[0004] The solution of the present invention is: a clamping and adjusting device for an arc-shaped hollow cone part, comprising: a top plate, an adjusting shaft, and a support part; Top plate, used to support the arc-shaped hollow cone part; The adjustment shaft is located between the top plate and the support section, connecting the two to enable fine-tuning of the top plate's orientation and attitude. The support unit is fixed at the bottom to the machine tool platform. By adjusting the support unit, the top plate can be moved up and down to adjust the posture of the arc-shaped hollow cone part and to fasten it.

[0005] Furthermore, the adjustment shaft includes adjustment shaft I and adjustment shaft II, and adjustment base; adjustment shaft I and adjustment shaft II are perpendicular to each other and form a horizontal cross-pin structure; adjustment base is used to fix the two.

[0006] Furthermore, the top plate includes four support rods, a connecting shaft, and a flat plate; the four support rods correspond one-to-one with the four corners of the flat plate; each support rod has one end connected to the bottom of one corner of the flat plate and the other end connected to the top of the connecting shaft; the connecting shaft is located on the central axis below the flat plate and is placed vertically, with a pair of lug structures at its bottom for fixed connection with the adjusting shaft I.

[0007] Furthermore, the support unit includes a support base, two adjusting wheels, two adjusting handles, two pull rods, and a top rod; The support base has a hollow internal structure; pins are fixed on two opposite sides. Two adjusting wheels are respectively arranged on the two opposite sides; the adjusting wheels coincide with the center of the pin and can rotate around the pin; The top rod, in a T-shaped structure, is placed upside down inside the cavity structure of the support base and includes a horizontal rod and a vertical rod; a straight slide rail groove is opened on the horizontal rod; one end of the vertical rod is perpendicularly connected to the horizontal rod, and the other end extends out of the cavity structure through the top of the support base and is connected to the adjusting shaft II; The adjusting handle is fixed on the adjusting wheel, with one end passing through the adjusting wheel and extending into the straight slide rail groove of the top rod crossbar to connect with it; rotating the adjusting handle indirectly drives the top rod to move up and down. Two tie rods are symmetrically arranged on both sides of the vertical rod of the top rod; the bottom end of each tie rod is fixedly connected to the horizontal rod of the top rod, and the top end extends out of the upper end surface of the cavity structure of the support base.

[0008] Furthermore, a through hole is provided at the top of the support base for the vertical rod of the top rod to extend out; a guide block is provided at the position of the through hole to guide the vertical rod of the top rod to move up and down.

[0009] Furthermore, the top of the pull rod is fixed to the support base by a fixing seat. After the top rod is adjusted to a horizontal position, the pull rod is locked.

[0010] Furthermore, a semi-circular slide rail groove is provided on the side of the support base that fits against the adjusting wheel, through which the adjusting handle passes to adjust the stroke limit of the top rod.

[0011] A clamping and adjustment method for an arc-shaped hollow cone part includes: The process pressure position is increased by evenly distributing the center of gravity of the arc-shaped hollow cone part; Place the arc-shaped hollow cone part on the scribing work platform, adjust its internal features to be horizontal, and scribing the horizontal reference line; then return the horizontal scribing mark to the outer contour surface of the arc-shaped hollow cone part. Fix the clamping adjustment device on the machine tool platform, adjust the process pressure position of the clamping adjustment device to support the arc-shaped hollow cone part, and then tighten the clamping after the clamping adjustment device adjusts the arc-shaped hollow cone part to a horizontal position according to the horizontal scribing mark. Run the CNC program on the machine tool to process and shape the arc-shaped hollow cone part.

[0012] Furthermore, the aforementioned pressing process is achieved using additive manufacturing, casting, or adhesive bonding methods.

[0013] Furthermore, the number of clamping and adjusting devices is the same as the number of process pressing positions for the arc-shaped hollow cone part; and the top surface of the clamping and adjusting device is in contact with the bottom profile of the process pressing position. The beneficial effects of this invention compared to the prior art are: This invention designs an adjustment device that uses the rotation of the adjustment wheel to drive the top rod to move along the direction of the guide block to compensate for the slight deformation of the molded part. The top plate rotates through the adjustment shaft to finely adjust the process pressing position of the molded part. The pull rod and the support are tightly fixed in position. This device can efficiently and accurately complete the posture adjustment of the arc-shaped hollow cone part, improving the efficiency and pass rate of part processing. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the clamping and adjusting device of the present invention; Figure 2 This is a schematic diagram of the adjusting shaft device of the present invention; Figure 3 This is a schematic diagram of the clamping posture of the arc-shaped hollow cone part of the present invention. Detailed Implementation

[0015] The present invention will be further explained and described below with reference to the accompanying drawings and specific embodiments.

[0016] like Figure 1 As shown, a clamping and adjusting device for an arc-shaped hollow cone part includes a top plate 1, an adjusting shaft 2, and a support part 3; the top plate 1 is connected to the support part 3 via the adjusting shaft 2. like Figure 2 As shown, the adjustment shaft 2 includes an adjustment shaft 21, an adjustment shaft 22, and an adjustment base 23; the adjustment shaft 21 is perpendicular to the adjustment shaft 22, forming a cross-shaped adjustment shaft, and is placed horizontally; the adjustment base 23 fixes the two.

[0017] The top plate 1 includes four support rods 11, a connecting shaft 12, and a flat plate 13. The four support rods 11 correspond to the four corners of the flat plate 13 in sequence. Each support rod 11 has one end connected to the bottom of one corner of the flat plate 13 and the other end connected to the top of the connecting shaft 12. The four support rods 11 provide support for the flat plate 13. The connecting shaft 12 has a pair of lug structures I at its bottom end for connecting to the adjusting shaft I21.

[0018] The top plate 1 can be finely adjusted in orientation and attitude around the adjustment shaft I21 and adjustment shaft II22.

[0019] The support part 3 includes a support base 31, an adjusting wheel 32, an adjusting handle 33, a pin 34, a guide block 35, a pull rod 36, a top rod 37, and a fixed seat 38.

[0020] The support part 3 is fixed on the machine tool platform. The main body is composed of the support base 31, which includes a left support base and a right support base. The two end faces are attached to each other and are fixed and locked by bolts to form an inner cavity structure.

[0021] The adjusting wheel 32 includes two parts, which are fixed on the left support base and the right support base respectively, and are arranged symmetrically. A pin 34 is provided at the center of the left support base and the right support base, and the adjusting wheel 32 can rotate around the pin 34.

[0022] The end face of the support base 31 that is in contact with the adjusting wheel 32 is provided with a semi-circular slide rail groove for adjusting the travel limit of the top rod 37; The adjustment handle 33 is fixed on the adjustment wheel 32. One end is located outside the support base 31 for hand gripping. The other end passes through the adjustment wheel 32 and the semi-circular slide rail groove in sequence, and extends into the "I"-shaped slide rail groove of the top rod 37 to connect with it. The top rod 37 has an inverted T-shaped structure, including a bottom horizontal rod and a vertical rod; the bottom horizontal rod has a straight slide rail groove; one end of the vertical rod is perpendicularly connected to the bottom horizontal rod, and the other end extends out of the inner cavity structure of the support base 31, on which a support ear structure II is provided, and the support ear structure II is provided with a mounting hole for connecting to the adjusting shaft II22.

[0023] When the adjusting handle 33 rotates along the adjusting wheel 32, it causes the adjusting handle to move within the "I"-shaped slide rail groove of the top rod 37, indirectly causing the top rod 37 to move up and down. A through hole is provided at the top of the support base 31 for the vertical rod of the top rod 37 to extend out; a guide block 35 is provided at the through hole position to guide the vertical rod of the top rod 37 to move up and down.

[0024] The pull rod 36 includes two rods, which are symmetrically arranged with respect to the vertical rods of the top rod 37. The bottom end of each pull rod 36 is fixedly connected to the bottom horizontal bar of the top rod 37, and the top end extends out of the upper surface of the inner cavity structure of the support base 31. It is fixed to the upper surface of the support base 31 by the fixing seat 38. The pull rod is locked after the top rod 37 is adjusted to a horizontal position.

[0025] The number of support parts 3 is the same as the number of process pressing positions of the arc-shaped hollow cone part, both being 4. The top surface of the top plate 1 is in contact with the bottom profile of the process pressing position of the arc-shaped hollow cone part.

[0026] like Figure 3 The clamping and adjustment method for an arc-shaped hollow cone part includes the following steps: S1: Based on the uniform increase of process pressing positions according to the center of gravity of the arc-shaped hollow cone part, the process pressing positions include additive manufacturing, integral casting, and adhesive bonding methods; S2: Place the arc-shaped hollow cone part on the scribing work platform, use a jack to adjust the internal features of the arc-shaped hollow cone part to be horizontal, scribing the horizontal reference line and then transferring the scribing line to the outer contour surface of the part; S3: Place the arc-shaped hollow cone part on the machine tool platform, and use the clamping and adjustment device to support the process pressing position of the arc-shaped hollow cone part. After the push rod 37 adjusts the part to a horizontal position according to the horizontal scribing mark, tighten the clamping. S4: Run the machine tool CNC program to process the arc-shaped hollow cone part into shape.

[0027] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make possible changes and modifications to the technical solutions of the present invention by utilizing the methods and techniques disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solutions of the present invention shall fall within the protection scope of the technical solutions of the present invention.

Claims

1. A clamping and adjusting device for an arc-shaped hollow cone part, characterized in that, include: Top plate (1), adjusting shaft (2) and support (3); Top plate (1) is used to support the arc-shaped hollow cone part; The adjustment shaft (2) is located between the top plate (1) and the support part (3) to connect the two, so as to achieve fine adjustment of the orientation and attitude of the top plate (1); The support part (3) is fixed at the bottom on the machine tool platform. By adjusting the support part (3), the top plate (1) is moved up and down to achieve the posture adjustment and fastening of the arc-shaped cavity cone part.

2. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 1, characterized in that: The adjustment shaft (2) includes adjustment shaft I (21) and adjustment shaft II (22) and adjustment base (23); adjustment shaft I (21) and adjustment shaft II (22) are perpendicular to each other and form a horizontal cross-pin structure; adjustment base (23) fixes the two.

3. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 2, characterized in that: The top plate (1) includes four support rods (11), a connecting shaft (12), and a plate (13); the four support rods (11) correspond one-to-one with the four corners of the plate (13); each support rod (11) has one end connected to the bottom of one corner of the plate (13), and the other end connected to the top of the connecting shaft (12); the connecting shaft (12) is located on the central axis below the plate (13) and is placed vertically, with a pair of lugs at the bottom for fixed connection with the adjusting shaft I (21).

4. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 2, characterized in that: The support part (3) includes a support base (31), two adjusting wheels (32), two adjusting handles (33), two pull rods (36), and a top rod (37). The support base (31) has a hollow internal structure; pins (34) are fixed on the two opposite sides respectively. Two adjusting wheels (32) are respectively arranged on the two opposite sides; the center of the adjusting wheel (32) coincides with the center of the pin (34) and can rotate around the pin (34); The top rod (37) has a T-shaped structure and is placed upside down inside the cavity structure of the support base (31). It includes a horizontal rod and a vertical rod. A straight slide rail groove is opened on the horizontal rod. One end of the vertical rod is vertically connected to the horizontal rod, and the other end extends out of the cavity structure through the top of the support base (31) and is connected to the adjusting shaft II (22). The adjusting handle (33) is fixed on the adjusting wheel (32), with one end passing through the adjusting wheel (32) and extending into the straight slide rail groove of the top rod (37) to connect with it; rotating the adjusting handle (33) indirectly drives the top rod (37) to move up and down; Two tie rods (36) are symmetrically arranged on both sides of the vertical rod of the top rod (37); the bottom end of each tie rod (36) is fixedly connected to the horizontal rod of the top rod (37), and the top end extends out of the upper end face of the cavity structure of the support base (31).

5. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 4, characterized in that: The support base (31) has a through hole at the top for the vertical rod of the top rod (37) to extend out; a guide block (35) is provided at the through hole to guide the vertical rod of the top rod (37) to move up and down.

6. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 4, characterized in that: The top of the pull rod (36) is fixed to the support base (31) by the fixing seat (38). After the top rod (37) is adjusted to a horizontal position, the pull rod (36) is locked.

7. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 4, characterized in that: The support base (31) is provided with a semi-circular slide rail groove on the side where it fits with the adjusting wheel (32), through which the adjusting handle (33) passes to adjust the travel limit of the top rod (37).

8. A clamping and adjustment method for an arc-shaped hollow cone part, characterized in that, include: The process pressure position is increased by evenly distributing the center of gravity of the arc-shaped hollow cone part; Place the arc-shaped hollow cone part on the scribing work platform, adjust its internal features to be horizontal, and scribing the horizontal reference line; then return the horizontal scribing mark to the outer contour surface of the arc-shaped hollow cone part. Fix the clamping adjustment device on the machine tool platform, adjust the process pressure position of the clamping adjustment device to support the arc-shaped hollow cone part, and then tighten the clamping after the clamping adjustment device adjusts the arc-shaped hollow cone part to a horizontal position according to the horizontal scribing mark. Run the CNC program on the machine tool to process and shape the arc-shaped hollow cone part.

9. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 8, characterized in that: The aforementioned pressing process is achieved through additive manufacturing, casting, or adhesive bonding.

10. The clamping and adjusting device for an arc-shaped hollow cone part according to claim 8, characterized in that: The number of clamping and adjusting devices is the same as the number of process pressing positions for the arc-shaped hollow cone part; and the top surface of the clamping and adjusting device is in contact with the bottom surface of the process pressing position.

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