CN214920615U - Clamp for machining flange plate - Google Patents
Clamp for machining flange plate Download PDFInfo
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- CN214920615U CN214920615U CN202121389998.0U CN202121389998U CN214920615U CN 214920615 U CN214920615 U CN 214920615U CN 202121389998 U CN202121389998 U CN 202121389998U CN 214920615 U CN214920615 U CN 214920615U
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- support
- base
- expansion
- flange plate
- central hole
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Abstract
The utility model discloses a clamp for processing a flange plate, which is fixedly arranged on a working platform of a processing machine tool and comprises a base, a central hole positioning mechanism and an edge supporting mechanism; the central hole positioning mechanism comprises an expansion component and a positioning driving component, the expansion component is inserted into the central hole of the flange plate and can expand to position the central hole of the flange plate, and the positioning driving component drives the expansion component to expand or contract; a plurality of limit portion supporting mechanism use centre bore positioning mechanism to locate on the base at the interval of centre circumference, and limit portion supporting mechanism includes support, horizontal drive subassembly, backup pad and lift drive subassembly, and on the base was located to the support horizontal slip, horizontal drive subassembly drive support horizontal slip, on the support was located to the vertical slip of backup pad, the lift drive subassembly drive backup pad was vertical to be slided. The structure directly uses the center hole of the flange plate as a reference for positioning and processing, avoids the deviation generated by manual tool setting, ensures that the processed connecting hole is accurately positioned, and improves the quality and the qualification rate of products.
Description
Technical Field
The utility model relates to a machining equipment field, concretely relates to anchor clamps of ring flange processing usefulness.
Background
The flange plate is also called flange plate or flange, and the flange plate can be used for the mutual connection between shafts and also can be used for the connection between pipe ends; there are also flanges on the inlet and outlet of the equipment for connection between two pieces of equipment, such as reducer flanges. The flange plate connection or flange plate joint is a detachable connection which is formed by mutually connecting a flange plate, a gasket and a bolt and is a group of combined sealing structures, wherein the pipeline flange plate is a flange plate for a pipeline in a pipeline device and is used on equipment and is an inlet and outlet flange plate of the equipment. The pipeline flanges are provided with central holes through which fluid passes, connecting holes are uniformly distributed around the central holes by taking the central holes as centers, and bolts penetrate through the connecting holes to enable the two flanges to be fixedly connected.
In the prior art, when a connecting hole of a flange plate is machined, a center hole is marked as a center, and the position of the machined connecting hole is marked on the marked line, but during specific machining, a cutter is manually aligned to a mark point, so that the position of the connecting hole is prone to deviation, especially for high-precision workpieces, the requirement on the position precision of the connecting hole relative to the center hole is high, and unqualified products are prone to being produced by manually aligning the cutter.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, the utility model provides an anchor clamps of ring flange processing usefulness to when solving the connecting hole of current lathe processing ring flange, the manual work is aimed at the marking point of ruling with the cutter, very easily makes the position of connecting hole the deviation appear, especially to the work piece of high accuracy, the connecting hole is higher for the position accuracy requirement of centre bore, adopts the manual work to aim at the problem that the unqualified product very easily appears of mode of cutter.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a clamp for processing a flange plate is fixedly arranged on a working platform of a processing machine tool and comprises a base, a central hole positioning mechanism and an edge supporting mechanism;
the central hole positioning mechanism comprises an expansion and contraction assembly and a positioning driving assembly, the expansion and contraction assembly is arranged on the base, the expansion and contraction assembly is inserted into the central hole of the flange plate and can expand to position the central hole of the flange plate, and the positioning driving assembly drives the expansion and contraction assembly to expand or contract;
a plurality of limit portion supporting mechanism with centre bore positioning mechanism locates for central circumference interval on the base, limit portion supporting mechanism includes support, horizontal drive subassembly, backup pad and lift drive subassembly, the support horizontal slip is located on the base, horizontal drive subassembly locate on the base and with the support drive is connected, the drive of horizontal drive subassembly the support horizontal slip, the vertical slip of backup pad is located on the support, lift drive subassembly locate on the support and with the backup pad drive is connected, the drive of lift drive subassembly the vertical slip of backup pad.
The center hole positioning mechanism uses the center hole of the flange plate as a reference, the edge supporting mechanism is used as a support, the distance between the processing cutter and the center hole positioning mechanism is adjusted, the connecting hole can be accurately positioned, the expansion and contraction assembly can adapt to center holes of different sizes of the flange plates of different specifications, when the expansion and contraction assembly expands and contracts, the height position of the flange plate sleeved on the expansion and contraction assembly can be changed, the horizontal driving assembly and the lifting driving assembly enable the support plate to horizontally move and lift, and the support plate can support the edges of the flange plates of different specifications. The structure directly uses the center hole of the flange plate as a reference for positioning and processing, avoids the deviation generated by manual tool setting, ensures that the processed connecting hole is accurately positioned, and improves the quality and the qualification rate of products.
Further, the subassembly that expands contracts includes support post, bloated board and connecting rod, the support post set firmly in on the base, bloated board all through two of parallel the connecting rod with the support post is connected, two the connecting rod is along the direction of height interval, the connecting rod both ends respectively with bloated board reaches the support post is articulated, pass through around the support post the connecting rod is connected with a plurality of bloated board, a plurality of the even interval arrangement of bloated board, location drive assembly with be close to the base the connecting rod drive is connected. The expansion plate, the two connecting rods hinged with the expansion plate and the supporting upright post form a parallelogram, and the structure can ensure that all the expansion plates are expanded in parallel.
Further, the board is opened in the inflation is circular-arc, the top of the board that opens in the inflation is kept away from the one side of support post and is the toper, the bottom of the board that opens in the inflation is kept away from the one side of support post and is equipped with the support boss. The top of the expansion plate is conical, so that a central hole of the flange plate can conveniently enter, and the bottom of the expansion plate is provided with a support boss which is abutted against the edge of the central hole of the support flange plate, so that the flange plate is prevented from sliding randomly in the height direction.
Further, the positioning driving assembly comprises a stud, a threaded sleeve, a sliding sleeve and a driving rod, the stud is fixedly arranged on the base and is fixedly connected with the supporting stand column in a coaxial mode, the supporting stand column is fixedly arranged on the base through the stud, the threaded sleeve of the threaded sleeve is arranged on the stud, the sliding sleeve is arranged on the supporting stand column and is rotatably connected with the threaded sleeve, the sliding sleeve is arbitrarily close to the base, the middle of the connecting rod is hinged to one end of the driving rod, and the other end of the driving rod is hinged to the sliding sleeve. When the threaded sleeve rotates, the threaded sleeve moves along the axial direction of the stud, then the sliding sleeve is driven to slide along the supporting upright post, and then the driving rod pushes the connecting rod to rotate, so that the expansion plate expands or contracts, and the threaded sleeve is provided with a handle along the radial direction to facilitate the rotation of the threaded sleeve.
Furthermore, the horizontal driving component comprises a supporting block, a first screw rod and a hand wheel, the supporting block is fixedly arranged on the base, the middle part of the first screw rod is in threaded connection with the supporting block, the extending direction of the first screw rod is consistent with the moving direction of the support, one end of the first screw rod is rotatably connected with the support, and the other end of the first screw rod is fixedly connected with the hand wheel. The first screw rod is conveniently driven to rotate through the hand wheel, and then the support is driven to slide on the base.
Furthermore, the lifting driving assembly comprises a second screw and a nut sleeve, the second screw is fixedly arranged on the support, the nut sleeve is sleeved on the second screw in a threaded manner, and the nut sleeve is rotatably connected with the supporting plate. The nut sleeve is driven to rotate, and the nut sleeve moves along the axial direction of the second screw rod, so that the supporting plate is driven to move up and down.
Furthermore, the lifting driving assembly further comprises a locking nut, the locking nut is sleeved on the second screw in a threaded manner, and the upper end face of the locking nut is abutted to the nut sleeve. Set up lock nut and prevent that the nut cover is not hard up, and then unstable subsides downwards when avoiding the backup pad atress.
Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
1. the connecting hole can be accurately positioned by adjusting the distance between the machining cutter and the central hole positioning mechanism, the central hole of the flange plate is directly used as a reference for positioning and machining, the deviation caused by manual tool setting is avoided, the machined connecting hole is accurately positioned, and the quality and the qualification rate of products are improved.
2. The expansion plate is expanded or contracted in parallel to adapt to the central holes of the flange plates with different specifications and different sizes.
3. Simple structure, the mechanism is nimble, and the suitability is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
Fig. 1 is a front view of the present invention;
fig. 2 is a structural view of the center hole positioning mechanism of the present invention;
fig. 3 is a structural view of the edge supporting mechanism of the present invention.
Reference numerals:
a base 1;
the device comprises a central hole positioning mechanism 2, an expansion assembly 21, a support upright 211, an expansion plate 212, a support boss 212a, a connecting rod 213, a positioning driving assembly 22, a stud 221, a threaded sleeve 222, a sliding sleeve 223, a driving rod 224 and a handle 225;
the device comprises an edge supporting mechanism 3, a support 31, a horizontal driving component 32, a supporting block 321, a first screw rod 322, a hand wheel 323, a supporting plate 33, a lifting driving component 34, a second screw rod 341, a nut sleeve 342 and a locking nut 343;
a flange 100.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, the clamp for processing a flange provided in this embodiment is fixedly disposed on a working platform of a processing machine tool, and includes a base 1, a central hole positioning mechanism 2, and an edge supporting mechanism 3.
Referring to fig. 2, the central hole positioning mechanism 2 includes an expansion assembly 21 and a positioning driving assembly 22, the expansion assembly 21 is disposed on the base 1, the expansion assembly 21 is inserted into the central hole of the flange 100 and can expand to position the central hole of the flange 100, and the positioning driving assembly 22 drives the expansion assembly 21 to expand or contract. Specifically, the assembly 21 that expands and contracts includes support post 211, expand board 212 and connecting rod 213, support post 211 sets firmly on base 1, it is connected with support post 211 all through two connecting rods 213 that are parallel to expand board 212, two connecting rods 213 are along the direction of height interval, connecting rod 213 both ends are articulated with expand board 212 and support post 211 respectively, be connected with a plurality of boards 212 that expand through connecting rod 213 around support post 211, the even interval arrangement of a plurality of boards 212 that expand, location drive assembly 22 is connected with the connecting rod 213 drive that is close to base 1. The expansion plates 212, the two connecting rods 213 hinged to the expansion plates 212, and the supporting columns 211 form a parallelogram, which ensures parallel expansion of all the expansion plates 212. The expansion plate 212 is arc-shaped, one side of the top of the expansion plate 212, which is far away from the support column 211, is tapered, and one side of the bottom of the expansion plate 212, which is far away from the support column 211, is provided with a support boss 212 a. The top of the expanding plate 212 is tapered to facilitate the entry of the central hole of the flange plate 100, and the bottom of the expanding plate 212 is provided with a support boss 212a to abut against the edge of the central hole of the flange plate 100 to prevent the flange plate 100 from sliding freely in the height direction.
The positioning driving assembly 22 includes a stud 221, a threaded sleeve 222, a sliding sleeve 223 and a driving rod 224, the stud 221 is fixedly disposed on the base 1 and coaxially and fixedly connected with the supporting upright 211, the supporting upright 211 is fixedly disposed on the base 1 through the stud 221, the threaded sleeve 222 is threadedly sleeved on the stud 221, the sliding sleeve 223 is slidably sleeved on the supporting upright 211 and the sliding sleeve 223 is rotatably connected with the threaded sleeve 222, the middle of any connecting rod 213 close to the base 1 is hinged to one end of the driving rod 224, and the other end of the driving rod 224 is hinged to the sliding sleeve 223. When the screw sleeve 222 rotates, the screw sleeve 222 moves axially along the stud 221, so that the sliding sleeve 223 is driven to slide along the support upright post 211, the driving rod 224 drives the connecting rod 213 to rotate, so that the expansion plate 212 is expanded or contracted, and the screw sleeve 222 is provided with a handle 225 along the radial direction to facilitate the rotation of the screw sleeve 222.
Referring to fig. 3, a plurality of edge supporting mechanisms 3 are circumferentially spaced on the base 1 around the central hole positioning mechanism 2, in this embodiment, four edge supporting mechanisms 3 are provided. Edge supporting mechanism 3 includes support 31, horizontal drive assembly 32, backup pad 33 and lift drive assembly 34, support 31 horizontal slip locates on base 1, horizontal drive assembly 32 locates on base 1 and is connected with support 31 drive, horizontal drive assembly 32 drive support 31 horizontal slip, backup pad 33 is vertical to be slided and is located on support 31, lift drive assembly 34 locates on support 31 and is connected with backup pad 33 drive, lift drive assembly 34 drives backup pad 33 vertical slip. Specifically, the horizontal driving assembly 32 includes a supporting block 321, a first screw rod 322 and a hand wheel 323, the supporting block 321 is fixedly disposed on the base 1, the middle portion of the first screw rod 322 is in threaded connection with the supporting block 321, the extending direction of the first screw rod 322 is the same as the moving direction of the support 31, one end of the first screw rod 322 is rotatably connected with the support 31, and the other end of the first screw rod 322 is fixedly connected with the hand wheel 323. The first screw rod 322 is conveniently driven to rotate by the handwheel 323, and the support 31 is driven to slide on the base 1. The lifting driving assembly 34 includes a second screw 341 and a nut sleeve 342, the second screw 341 is fixed on the support 31, the nut sleeve 342 is threaded on the second screw 341, and the nut sleeve 342 is rotatably connected with the support plate 33. The nut sleeve 342 is driven to rotate, and the nut sleeve 342 moves along the axial direction of the second screw 341, so as to drive the supporting plate 33 to move up and down.
As a further optimized scheme, the lifting driving assembly 34 further includes a locking nut 343, the locking nut 343 is threadedly sleeved on the second screw 341, and an upper end surface of the locking nut 343 abuts against the nut sleeve 342. The provision of the lock nut 343 prevents the nut case 342 from loosening and thus prevents unstable downward settling when the support plate 33 is subjected to a force.
Referring to fig. 1 to 3, the operation of the clamp for machining a flange plate includes:
the base 1 is fixedly arranged on a working platform of a processing machine tool, a central hole of the flange plate 100 is sleeved on the expansion plate 212 from the top of the expansion plate 212, the flange plate 100 is abutted to a supporting boss 212a, the handle 225 is manually rotated, the threaded sleeve 222 is driven to rotate, so that the sliding sleeve 223 is driven to move upwards, the driving rod 224 is driven to rotate the connecting rod 213, the expansion plate 212 is driven to expand in parallel until the expansion plate 212 is abutted to the central hole of the flange plate 100, then the hand wheel 323 is used for driving the first screw rod 322 to rotate, so that the supporting seat 31 is driven to move to the position below the edge of the flange plate 100, then the nut sleeve 342 is driven to rotate, and the supporting plate 33 is driven to vertically slide upwards until the supporting plate is abutted to the lower surface of the edge of the flange plate 100. Then, the distance between the machining tool and the axis of the support column 211 is adjusted, and machining can be performed. Since the flange generally has a plurality of connecting holes, if the tool seat of the machining tool cannot move in the horizontal plane, after a connecting hole is machined, the flange 100 and the expansion plate 212 need to be loosened, and the flange 100 is machined after being rotated by a fixed angle.
According to the clamp for machining the flange plate, the connecting hole can be accurately positioned by adjusting the distance between the machining cutter and the central hole positioning mechanism 2, the central hole of the flange plate 100 is directly used as a reference for positioning and machining, the deviation caused by manual tool setting is avoided, the machined connecting hole is accurately positioned, and the quality and the qualified rate of products are improved; the expansion plate 212 expands or contracts in parallel to adapt to the central holes with different sizes of the flange plates 100 with different specifications; simple structure, the mechanism is nimble, and the suitability is strong.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. A clamp for processing a flange plate is fixedly arranged on a working platform of a processing machine tool and is characterized by comprising a base, a central hole positioning mechanism and an edge supporting mechanism;
the central hole positioning mechanism comprises an expansion and contraction assembly and a positioning driving assembly, the expansion and contraction assembly is arranged on the base, the expansion and contraction assembly is inserted into the central hole of the flange plate and can expand to position the central hole of the flange plate, and the positioning driving assembly drives the expansion and contraction assembly to expand or contract;
a plurality of limit portion supporting mechanism with centre bore positioning mechanism locates for central circumference interval on the base, limit portion supporting mechanism includes support, horizontal drive subassembly, backup pad and lift drive subassembly, the support horizontal slip is located on the base, horizontal drive subassembly locate on the base and with the support drive is connected, the drive of horizontal drive subassembly the support horizontal slip, the vertical slip of backup pad is located on the support, lift drive subassembly locate on the support and with the backup pad drive is connected, the drive of lift drive subassembly the vertical slip of backup pad.
2. The clamp for machining the flange plate according to claim 1, wherein the expansion and contraction assembly comprises a support column, expansion plates and connecting rods, the support column is fixedly arranged on the base, the expansion plates are connected with the support column through the two parallel connecting rods, the two connecting rods are spaced in the height direction, two ends of each connecting rod are hinged to the expansion plates and the support column respectively, the periphery of the support column is connected with the expansion plates through the connecting rods, the expansion plates are uniformly spaced, and the positioning driving assembly is in driving connection with the connecting rods close to the base.
3. The clamp for machining the flange plate according to claim 2, wherein the expansion plate is arc-shaped, one side of the top of the expansion plate, which is far away from the support column, is tapered, and one side of the bottom of the expansion plate, which is far away from the support column, is provided with a support boss.
4. The clamp for machining the flange plate according to claim 2, wherein the positioning driving assembly comprises a stud, a threaded sleeve, a sliding sleeve and a driving rod, the stud is fixedly arranged on the base and coaxially and fixedly connected with the supporting upright, the supporting upright is fixedly arranged on the base through the stud, the threaded sleeve is arranged on the stud in a threaded manner, the sliding sleeve is slidably arranged on the supporting upright and rotatably connected with the threaded sleeve, the middle of any connecting rod close to the base is hinged to one end of the driving rod, and the other end of the driving rod is hinged to the sliding sleeve.
5. The flange plate machining fixture according to claim 1, wherein the horizontal driving assembly comprises a supporting block, a first screw rod and a hand wheel, the supporting block is fixedly arranged on the base, the middle of the first screw rod is in threaded connection with the supporting block, the extending direction of the first screw rod is consistent with the moving direction of the support, one end of the first screw rod is rotatably connected with the support, and the other end of the first screw rod is fixedly connected with the hand wheel.
6. The flange machining fixture of claim 1, wherein the lifting drive assembly includes a second screw and a nut sleeve, the second screw is fixed to the support, the nut sleeve is threadedly engaged with the second screw, and the nut sleeve is rotatably connected to the support plate.
7. The flange machining jig of claim 6, wherein the lifting drive assembly further comprises a lock nut, the lock nut is threadedly sleeved on the second screw, and an upper end surface of the lock nut abuts against the nut sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389998.0U CN214920615U (en) | 2021-06-22 | 2021-06-22 | Clamp for machining flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121389998.0U CN214920615U (en) | 2021-06-22 | 2021-06-22 | Clamp for machining flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214920615U true CN214920615U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121389998.0U Active CN214920615U (en) | 2021-06-22 | 2021-06-22 | Clamp for machining flange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214920615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381455A (en) * | 2023-12-07 | 2024-01-12 | 山西天宝集团有限公司 | Production device and method for variable pitch flange of wind power main machine |
-
2021
- 2021-06-22 CN CN202121389998.0U patent/CN214920615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381455A (en) * | 2023-12-07 | 2024-01-12 | 山西天宝集团有限公司 | Production device and method for variable pitch flange of wind power main machine |
| CN117381455B (en) * | 2023-12-07 | 2024-02-23 | 山西天宝集团有限公司 | Production device and method for variable pitch flange of wind power main machine |
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