CN115446623A - Large thin-wall part vehicle clamp with counterweight and using method - Google Patents
Large thin-wall part vehicle clamp with counterweight and using method Download PDFInfo
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- CN115446623A CN115446623A CN202211169055.6A CN202211169055A CN115446623A CN 115446623 A CN115446623 A CN 115446623A CN 202211169055 A CN202211169055 A CN 202211169055A CN 115446623 A CN115446623 A CN 115446623A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention belongs to the technical field of large thin-wall part machining, and relates to a vehicle clamp with a counterweight for large thin-wall parts and a using method thereof, which are used for simultaneously milling the upper surfaces of a plurality of parts. The invention has the advantages of multiple contacts, reasonable positioning and compression, suitability for thin walls and the like, ensures that the part rotates and is stressed uniformly, and ensures the roundness of the outer circle of the part; the positioning and clamping modes of all parts are consistent, so that the consistency of the parts is ensured; the special tool ensures the uniformity of all products and improves the product quality; the use of the special clamp avoids instability caused by assembly; the device has the advantages of convenient operation, accurate positioning, novel structure and high production efficiency.
Description
Technical Field
The invention belongs to the technical field of large thin-wall parts, and relates to a vehicle clamp with a counterweight for large thin-wall parts and a using method thereof, which are used for simultaneously milling the upper surfaces of a plurality of parts.
Background
Large thin-walled parts are structural components that are often found in the aerospace field. The part is widely applied to the field of aerospace, the large-scale thin-wall parts are used as important parts, the quality of the large-scale thin-wall parts directly influences the flight time of an airplane, the large-scale thin-wall parts are an important index for measuring the fighting capacity of the airplane, and the large-scale thin-wall parts are important factors for determining the integrity of the readiness of the airplane. The large-scale thin-wall part has a complex structure and a tail part with a gradually-changed thin wall. When the excircle is processed, the parts are difficult to align, and the processing efficiency is difficult to improve. Therefore, a tool needs to be designed to realize the processing of the excircle of the paired parts, the auxiliary time is shortened, and the processing efficiency and the processing stability of the parts are improved.
During the machining of the part, the outer circle of the part needs to be machined (fig. 1). The former processing process is in the form of an assembling clamp. If the processing method is carried out in the part development lot, the following disadvantages are exposed when the parts are produced in the batch mode: 1. the large positioning blocks are assembled due to the large parts, and the assembled positioning blocks are heavy, so that the assembling clamp is not suitable for processing large thin-wall parts; 2. the preparation time is long, and the production cycle is delayed; 3. the error of parts is large, the size of each part is unstable, and the uniformity of products is influenced; the above phenomena directly cause the phenomena of delayed production cycle of parts, reduced product quality and the like in batch production.
Disclosure of Invention
In order to solve the problems, the invention provides a large thin-wall part turning clamp with a counterweight, which can be used for machining the outer circle of the large thin-wall part. The tool is designed according to the specific characteristics of the part, namely, the part is supported and compressed by adopting multiple contacts, so that the pressing force of the part is dispersed, and the deformation of the thin wall is avoided. Meanwhile, the balance weight is designed, so that the parts are enabled to rotate and be stressed uniformly, and the roundness of the outer circle of the parts is guaranteed.
The technical scheme of the invention is as follows:
the vehicle clamp with the counterweight for the large-scale thin-wall parts comprises a disc 01, a V-shaped block 02, a support 03, a pressing plate 04, a cylindrical pin 05, a bolt 06, a stud 07, a counterweight 08, a pressing block 09, a hexagonal compression screw 10, a bottom plate 11, a supporting rod 12, an L-shaped support frame 13, a lifting bolt 14, a lengthened bolt 15, a connecting screw 16, a positioning pin 17, a nut 18, a channel-shaped piece 19, a pin 20, a cross rod 21 and a spherical screw 22.
The support rod 12 is arranged in the center of the disc 01 and is used for supporting the center of the rear half wall plate of the part; the bracket 03 and the counterweight 08 are respectively positioned on two sides of the supporting rod 12; the counterweight 08 is arranged on the disc 01 through a bolt 06; the bottom end of the bracket 03 is arranged on a disc 01 through a plurality of connecting screws 16 and positioning pins 17; the V-shaped block 02 is arranged at the top end of the bracket 03 through a cylindrical pin 05 and a screw, and the V-shaped area is positioned in the horizontal direction, so that the V-shaped area of the V-shaped block 02 is attached to the left semicircle of the excircle of the part, and the center of the excircle of the part is consistent with the center of the disc 01; the clamp plate 04 is connected to the V-shaped block 02 through a plurality of studs 07, a groove in the clamp plate 04 is opposite to a V-shaped area of the V-shaped block 02, the groove of the clamp plate 04 is attached to the right semicircle of the excircle of the part, and the clamp plate 04 is screwed down through nuts on the outer side of the studs 07 to enable the V-shaped block 02 and the clamp plate 04 to be connected into a whole and clamp the excircle of the part.
The bottom plate 11 is arranged in the middle of the side face of the bracket 03, and the bottom plate 11 is vertically arranged; one side of each of the two L-shaped support frames 13 is symmetrically installed on the bottom plate 11 through a screw, a threaded hole is formed in the other side of each of the two L-shaped support frames and used for installing a hexagonal compression screw 10, the other end of the hexagonal compression screw 10 is welded with the plane of the pressing block 09, the shape of the pressing block 09 is consistent with the thin-wall panel molded surface of the part, and the hexagonal compression screw 10 is screwed up, and the left pressing block 09 and the right pressing block 09 are attached to the part.
The groove-shaped member 19 is horizontally arranged on the bottom plate 11, pin holes are formed in the groove-shaped member 19 and are connected with the spherical surface of one end of the lengthened bolt 15 through pins 20, and after connection, exposed parts of the pins 20 are fused by fuses, so that the lengthened bolt 15 can rotate in the groove along the groove-shaped member 19; grooves are arranged on two sides of the cross rod 21; the other end of the lengthened bolt 15 is arranged on a groove at one side of the cross bar 21, and the threaded part of the lengthened bolt 15 is tightly pressed and connected by a nut 18; one end of the spherical screw 22 is fixed on the bottom plate 11, the other end of the spherical screw is arranged at the groove at the other end of the cross rod 21 through a connecting pin, and the cross rod 21 can rotate around the spherical screw 22.
The lifting ring screws 14 are arranged on the side face of the disc 01 symmetrically and used for hoisting the tool.
The use method of the vehicle clamp with the counterweight for the large thin-wall parts comprises the following steps:
1. hoisting the hoisting ring screw 14 by using a crane to connect the back surface of the disc 01 with a numerical control machine tool flange plate, and ensuring that the center of the disc 01 is consistent with that of the numerical control machine tool;
2. the pressing plate 04 and the stud 07 are dismounted;
3. the hexagonal compression screws 10 on the two sides are kept in a loose state, so that the two pressing blocks 09 are close to the L-shaped support frame 13;
4. loosening the nut 18, turning the lengthened bolt 15 outwards, and opening the cross rod 21;
5. hoisting the part by using a crane to enable the center of the tail part of the part to be close to the supporting rod 12, ensuring that the end face of the supporting rod 12 is attached to the inner rib wall plate at the tail part of the part, and ensuring that one side of the excircle of the part is attached to the groove of the V-shaped block 02;
6. the two studs 07 penetrate through the pressing plate 04, the other side of the excircle of the part is attached in a groove of the pressing plate 04, and at the moment, the other ends of the two studs 07 are screwed on the V-shaped block 02;
7. closing the cross rod 21, ensuring that the interior of the cross rod 21 is attached to a part wall plate, turning the lengthened bolt 15 inwards, enabling the lengthened bolt 15 to be installed in a groove of the cross rod 21, and simultaneously screwing the nut 18;
8. simultaneously screwing the hexagonal compression screws 10 on the two sides to enable the two pressing blocks 09 to move towards the center simultaneously, and ensuring that the insides of the pressing blocks 09 are attached to the wall plates of the parts;
9. and after the part is installed, slightly aligning the front excircle of the part, and then processing the front excircle of the part.
The invention has the beneficial effects that:
1. the device has the advantages of multiple contacts, reasonable positioning and compression, suitability for thin walls and the like, ensures that the part rotates and is stressed uniformly, and ensures the roundness of the outer circle of the part.
2. The positioning and clamping modes of all parts are consistent, and the consistency of the parts is ensured.
3. The special tool guarantees the uniformity of all products and improves the product quality.
4. The use of the special clamp avoids instability caused by assembly;
5. the device has the advantages of convenient operation, accurate positioning, novel structure and high production efficiency.
Drawings
FIG. 1 is a schematic view of a large thin-walled part;
fig. 2 (a) -2 (c) are three views of the vehicle clamp with the counterweight for the large thin-wall parts of the invention.
Fig. 3 is a perspective view of the vehicle clamp with the counterweight for the large thin-wall parts.
In the figure: 01 disc, 02V-shaped block, 03 bracket, 04 pressing plate, 05 cylindrical pin, 06 bolt, 07 stud, 08 counterweight, 09 pressing block, 10 hexagonal compression screw, 11 bottom plate, 12 supporting rod, 13L-shaped supporting frame, 14 lifting ring screw, 15 lengthened bolt, 16 connecting screw, 17 positioning pin, 18 nut, 19 groove-shaped piece, 20 pin, 21 cross bar and 22 spherical screw rod.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
As shown in fig. 2 (a) -2 (c) and 3, the vehicle clamp structure with a counterweight for a large-sized thin-wall part of the invention comprises a disc 01, a V-shaped block 02, a bracket 03, a pressure plate 04, a cylindrical pin 05, a bolt 06, a stud 07, a counterweight 08, a pressure block 09, a hexagonal compression screw 10, a bottom plate 11, a support rod 12, an L-shaped support frame 13, a lifting bolt 14, an elongated bolt 15, a connecting screw 16, a positioning pin 17, a nut 18, a channel-shaped part 19, a pin 20, a cross rod 21 and a spherical screw 22.
The support rod 12 is arranged in the center of the disc 01 and is used for supporting the center of the rear wall plate of the part.
The bottom end of the support 03 is arranged on the disc 01 and is fixed on the disc 01 through six connecting screws 16 and two positioning pins 17, so that the perpendicularity of the support 03 and the disc 01 is guaranteed to be within 0.02. V type piece 02 passes through cylindric lock 05 and screw installation on support 03 top, guarantees that V type piece 02 and support 03 hang down straightness within 0.02, simultaneously, guarantees that the V type region of V type piece 02 and the left semicircle laminating of part excircle still will guarantee that part excircle center is unanimous with disc 01 center. The clamp plate 04 is connected to the side face of the V-shaped block 02 through the two studs 07, and during use, the outer sides of the studs 07 are screwed down by nuts, so that the groove of the clamp plate 04 is attached to the right semicircle of the excircle of the part, and the center of the excircle of the part is consistent with the center of the disc 01.
The bottom plate 11 is installed near the side intermediate position of support 03, and L type support frame 13 is two about total, all through the mounting of screws on bottom plate 11, and hexagonal housing screw 10 wears on L type support frame 13, and the other end is in the same place with briquetting 09 plane department welding, and the shape of briquetting 09 is unanimous with the thin wall wallboard profile of part, guarantees that the packing force is even. And similarly, the hexagonal compression screws 10 and 09 on the other side are installed to press blocks. During the use, screw up hexagon housing cap compression screw 10 simultaneously, guarantee that briquetting 09 all laminates on the part.
The channel-shaped member 19 is mounted on the bottom plate 11 and is connected with the spherical surface of the lengthened bolt 15 through the pin 20, and after the connection, the exposed part of the pin 20 is fused by a fuse, so that the lengthened bolt 15 can rotate in the channel along the channel-shaped member 19. The other end of the lengthened bolt 15 is arranged in a groove at the right side of the cross rod 21, and the threaded part of the lengthened bolt 15 is tightly pressed and connected by a nut. Similarly, one end of the spherical screw 22 is installed on the bottom plate 11, and the other end is installed at the groove on the left side of the cross rod 21. When the device is used, the cross rod 21 and the lengthened bolt 15 are loosened, the tail part of a part is installed on the supporting rod 12, then the outer side of the thin wall of the tail part is tightly pressed through the cross rod 21, the lengthened bolt 15 is installed in a groove on the right side of the cross rod 21, and then a nut on the lengthened bolt 15 is screwed.
The counter weight 08 is installed on the disc 01 through the bolt 06, and the position and the weight of the counter weight 08 are matched with those of an actual tool, so that the parts are guaranteed to rotate without eccentricity. Two eyebolts 14 are installed in disc 01 side for frock hoist and mount are used.
The installation process of the vehicle clamp with the counterweight for the large-scale thin-wall parts comprises the following steps:
1. the support rod 12 is arranged in the center of the disc 01 and supports the center of the rear half thin-wall panel of the part; the balance weight 08 is installed on the disc 01 through a bolt 06, and the two lifting ring screws 14 are installed on the side face of the disc 01 and used for hoisting a tool; the back of the disc 01 is fixedly connected with a machine tool through a connecting pin;
2. the bottom end of the bracket 03 is connected to the disc 01 through six connecting screws 16 and two positioning pins 17;
5363 the model 3.V block 02 is mounted on the top end of the bracket 03 through a cylindrical pin 05 and a screw; the pressing plate 04 is connected to the V-shaped block 02 through the two studs 07, and when the pressing plate 04 is used, the outer sides of the studs 07 are screwed down by nuts, so that the groove of the pressing plate 04 is attached to the semicircle of the excircle of the part, and the center of the excircle of the part is consistent with the center of the disc 01;
4. the bottom plate 11 is arranged near the middle position of the support 03, the L-shaped support frame 13 is arranged on the bottom plate 11 through a screw, the hexagonal compression screw 10 penetrates through the L-shaped support frame 13, the other end of the hexagonal compression screw is welded with the plane of the pressing block 09, the shape of the pressing block 09 is consistent with the profile of the thin-wall plate of the part, and the pressing force is ensured to be uniform; the right hexagonal compression screws 10 and 09 are arranged in the same way to form a pressing block; meanwhile, the hexagonal compression screws 10 are screwed down, so that the L-shaped support frames 13 are attached to the parts;
5. one end of a channel-shaped piece 19 is arranged on the bottom plate 11, the port of the other end of the channel-shaped piece is connected with the spherical surface of the lengthened bolt 15 through a pin 20, and after connection, the exposed part of the pin 20 is fused by a fuse, so that the lengthened bolt 15 can rotate in the channel along the channel-shaped piece 19; the other end of the lengthened bolt 15 is arranged on a groove at one side of the cross bar 21, and the threaded part of the lengthened bolt 15 is tightly pressed and connected by a nut 18;
6. similarly, one side of the spherical screw 22 is installed on the bottom plate 11, and the other side is installed in the groove on the other side of the cross rod 21 in a spherical manner. When the device is used, the cross rod 21 and the lengthened bolt 15 are loosened, the tail part of a part is installed on the support rod 12, then the outer side of the thin wall of the tail part is tightly pressed through the cross rod 21, the lengthened bolt 15 is installed at a groove on the right side of the cross rod 21, and then the nut 18 on the lengthened bolt 15 is screwed;
7. and after the thin wall part at the tail part of the part is installed and fixed, the outer circle at the front part of the part is aligned and processed.
Claims (2)
1. The large-scale thin-walled part vehicle clamp with the counterweight is characterized by comprising a disc (01), a V-shaped block (02), a support (03), a pressing plate (04), a cylindrical pin (05), a bolt (06), a stud (07), a counterweight (08), a pressing block (09), a hexagonal compression screw (10), a bottom plate (11), a supporting rod (12), an L-shaped supporting frame (13), a lifting ring screw (14), a lengthened bolt (15), a connecting screw (16), a positioning pin (17), a nut (18), a groove-shaped part (19), a pin (20), a cross rod (21) and a spherical screw (22);
the support rod (12) is arranged in the center of the disc (01) and is used for supporting the center of the rear half wall plate of the part; the bracket (03) and the counterweight (08) are respectively positioned on two sides of the support rod (12); the counterweight (08) is arranged on the disc (01) through a bolt (06); the bottom end of the bracket (03) is arranged on the 01 disc through a plurality of connecting screws (16) and positioning pins (17); the V-shaped block (02) is arranged at the top end of the bracket (03) through a cylindrical pin (05) and a screw, and the V-shaped area is positioned in the horizontal direction, so that the V-shaped area of the V-shaped block (02) is attached to the left semicircle of the excircle of the part, and the center of the excircle of the part is consistent with the center of the disc (01); the pressing plate (04) is connected to the V-shaped block (02) through a plurality of studs (07), a groove in the pressing plate (04) is opposite to a V-shaped area of the V-shaped block (02), the groove of the pressing plate (04) is attached to the right semicircle of the excircle of the part, and the V-shaped block (02) and the pressing plate (04) are connected into a whole and clamp the excircle of the part through screwing down the outer side of the studs (07) by nuts;
the bottom plate (11) is arranged in the middle of the side surface of the bracket (03), and the bottom plate (11) is vertically arranged; one side of each L-shaped support frame (13) is symmetrically arranged on the bottom plate (11) through a screw, a threaded hole is formed in the other side of each L-shaped support frame and used for installing a hexagonal compression screw (10), the other end of the hexagonal compression screw (10) is welded with the plane of the pressing block (09), the shape of the pressing block (09) is consistent with the profile of the thin-wall panel of the part, the hexagonal compression screw (10) is screwed, and the left pressing block (09) and the right pressing block (09) are attached to the part;
the groove-shaped part (19) is horizontally arranged on the bottom plate (11), pin holes are formed in the groove-shaped part (19), the groove-shaped part is connected with a spherical surface at one end of the lengthened bolt (15) through pins (20), and after the groove-shaped part is connected, exposed parts of the pins (20) are fused by fuses, so that the lengthened bolt (15) can rotate in the groove along the groove-shaped part 19; grooves are formed in two sides of the cross rod (21); the other end of the lengthened bolt (15) is arranged on a groove at one side of the cross rod (21), and the thread part of the lengthened bolt (15) is tightly pressed and connected by a nut (18); one end of the spherical screw rod (22) is fixed on the bottom plate (11), the other end of the spherical screw rod is arranged at the groove at the other end of the cross rod (21) through a connecting pin, and the cross rod (21) can rotate around the spherical screw rod (22);
a plurality of lifting ring screws (14) are symmetrically arranged on the side surface of the disc (01) and used for hoisting a tool.
2. The use method of the large thin-walled part vehicle clamp with the counterweight as claimed in claim 1 is characterized by comprising the following steps:
step 1, hoisting a hoisting ring screw (14) by using a crane to connect the back surface of a disc (01) with a numerical control machine tool flange plate, and ensuring that the center of the disc (01) is consistent with that of the numerical control machine tool;
step 2, unloading the pressing plate (04) and the stud (07);
step 3, the hexagonal compression screws (10) on the two sides are kept in a loosened state, so that the two pressing blocks (09) are close to the L-shaped support frame (13);
step 4, loosening the nut (18), turning the lengthened bolt (15) outwards, and opening the cross rod (21);
step 5, hoisting the part by using a crane to enable the center of the tail part of the part to be close to the supporting rod (12), ensuring that the end face of the supporting rod (12) is attached to the inner rib wallboard of the tail part of the part, and ensuring that one side of the excircle of the part is attached to the groove of the V-shaped block (02);
step 6, the two studs (07) penetrate through the pressing plate (04), the other side of the excircle of the part is attached to the groove of the pressing plate (04), and at the moment, the other ends of the two studs (07) are screwed on the V-shaped block (02);
step 7, closing the cross rod (21), ensuring that the interior of the cross rod (21) is attached to a part wall plate, turning the lengthened bolt (15) inwards, enabling the lengthened bolt (15) to be installed in a groove of the cross rod (21), and simultaneously screwing the nut (18);
step 8, simultaneously screwing the hexagonal compression screws (10) on the two sides to enable the two pressing blocks (09) to move towards the center simultaneously, so that the insides of the pressing blocks (09) are ensured to be attached to the wall plate of the part;
and 9, slightly aligning the outer circle of the front part of the part after the part is installed, and then processing the outer circle of the front part of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169055.6A CN115446623B (en) | 2022-09-26 | 2022-09-26 | Large thin-wall part car clamp with counterweight and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169055.6A CN115446623B (en) | 2022-09-26 | 2022-09-26 | Large thin-wall part car clamp with counterweight and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115446623A true CN115446623A (en) | 2022-12-09 |
| CN115446623B CN115446623B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211169055.6A Active CN115446623B (en) | 2022-09-26 | 2022-09-26 | Large thin-wall part car clamp with counterweight and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115446623B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475951A (en) * | 2020-11-03 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Lathe fixture suitable for machining thin-wall ring block type parts |
| CN214393281U (en) * | 2020-12-24 | 2021-10-15 | 阜新鸿升机械制造有限公司 | Special-shaped workpiece finish turning clamp with adjustable gravity center |
| CN215616531U (en) * | 2021-05-26 | 2022-01-25 | 湖北三环锻造有限公司 | Shaft forklift inner hole clamp |
| WO2022052167A1 (en) * | 2020-09-08 | 2022-03-17 | 苏州元联科技创业园管理有限公司 | Gearbox turning inner hole tooling |
-
2022
- 2022-09-26 CN CN202211169055.6A patent/CN115446623B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022052167A1 (en) * | 2020-09-08 | 2022-03-17 | 苏州元联科技创业园管理有限公司 | Gearbox turning inner hole tooling |
| CN112475951A (en) * | 2020-11-03 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Lathe fixture suitable for machining thin-wall ring block type parts |
| CN214393281U (en) * | 2020-12-24 | 2021-10-15 | 阜新鸿升机械制造有限公司 | Special-shaped workpiece finish turning clamp with adjustable gravity center |
| CN215616531U (en) * | 2021-05-26 | 2022-01-25 | 湖北三环锻造有限公司 | Shaft forklift inner hole clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115446623B (en) | 2023-10-13 |
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