CN210335214U - Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface - Google Patents

Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface Download PDF

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Publication number
CN210335214U
CN210335214U CN201921479737.0U CN201921479737U CN210335214U CN 210335214 U CN210335214 U CN 210335214U CN 201921479737 U CN201921479737 U CN 201921479737U CN 210335214 U CN210335214 U CN 210335214U
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bolt
clamping tool
machining
face
positioning plate
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CN201921479737.0U
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Chinese (zh)
Inventor
杨凤
鲁航
董礼涛
杨庆仁
陈国宏
张昌成
庄乾才
孙兆亮
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Harbin Turbine Co Ltd
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Harbin Turbine Co Ltd
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Abstract

The utility model relates to the field of machining, specifically be a clamping frock of processing skewed tooth vapor seal terminal surface step and radiant surface, it includes the locating plate, hold-down mechanism on three, three bolt three and four side hold-down mechanism, respectively fixed two sets of side hold-down mechanism respectively at the front portion and the rear portion of locating plate, three along vertical direction settings of bolt, lower extreme and locating plate fixed connection of bolt three, the upper end of every bolt three all with one go up hold-down mechanism fixed connection, when processing tooth vapor seal segmental inner and outer arc and terminal surface have been solved, because the facet can't be fixed a position, so there is clamping alignment difficulty, the machining dimension uniformity is extremely poor, machining efficiency hangs down the scheduling problem.

Description

Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface
Technical Field
The utility model relates to a machining field specifically is a clamping frock of processing skewed tooth vapor seal terminal surface step and radiant surface.
Background
In mechanical processing, for some workpieces, the length and the width of the workpieces are large, so that the workpieces are difficult to fixedly clamp in the clamping and processing process, and the workpieces are easy to deviate in shape and position due to the action force of the processing process in the processing process, so that the processing precision is too low, or the workpieces are directly damaged; if the workpiece is too long, the machining tool is damaged or the workpiece is broken and flies to hurt people due to too large oscillation amplitude at the tail end of the workpiece, and at the moment, the part is clamped by a clamping tool and then machined.
In addition, in the prior art, for some workpiece processing, when the inner arc, the outer arc and the end surface of the tooth steam seal arc section are processed, the small plane cannot be positioned, so that the problems of difficult clamping and alignment, extremely poor processing size uniformity, low processing efficiency and the like exist.
Disclosure of Invention
The purpose of the invention is as follows: for when overcoming in processing tooth gland segmental inner and outer arc and terminal surface among the prior art, because the facet can't fix a position, so there is clamping alignment difficulty, and the machining dimension uniformity is extremely poor, the low scheduling problem of machining efficiency, the utility model provides a clamping frock of processing skewed tooth gland terminal surface step and radiating surface.
The invention content is as follows: the clamping tool for machining the steps and the radiation surfaces of the end faces of the skewed tooth steam seals comprises a positioning plate 1, three upper pressing mechanisms, three bolts three 5 and four side pressing mechanisms, wherein two groups of side pressing mechanisms are respectively fixed to the front portion and the rear portion of the positioning plate 1, the bolts three 5 are arranged in the vertical direction, the lower ends of the bolts three 5 are fixedly connected with the positioning plate 1, and the upper end of each bolt three 5 is fixedly connected with one upper pressing mechanism.
Further, the side pressing mechanism comprises a side pressing plate 2, a first bolt 3 and a second bolt 4, one end of the side pressing plate 2 is fixedly connected to the side portion of the positioning plate 1 through the first bolt 3 in a position-adjustable threaded manner, the other end of the side pressing plate 2 is connected with the second bolt 4 in a threaded manner, and the second bolt 4 is arranged at the upper end of the positioning plate 1.
Furthermore, a waist-shaped hole is formed in the outer end face of the side pressing plate 2, and a first bolt 3 penetrates through the waist-shaped hole of the side pressing plate 2 and is fixedly connected with the positioning plate 1.
Preferably, the third bolt 5 is a stud bolt, the lower end of the third bolt 5 is connected with the positioning plate 1 through threaded connection, and the upper end of the third bolt 5 is connected with the upper pressing mechanism through threaded connection.
Further, the upper pressing mechanism comprises an upper pressing plate 8 and a nut 9, a through hole is formed in the middle of the upper end face of the upper pressing plate 8, the upper end thread of the bolt III 5 penetrates through the through hole of the upper pressing plate 8, the nut 9 is connected to the upper end thread of the bolt III 5, and the nut 9 is arranged on the upper end face of the upper pressing plate 8.
Still further, two cylindrical pins 7 are arranged on the upper end face of the positioning plate 1, and each cylindrical pin 7 is arranged between two adjacent bolts three 5.
Preferably, the cross-sectional radius of the cylindrical pin 7 is larger than the cross-sectional radius of the bolt three 5.
Furthermore, both ends are equipped with reservation thread groove 6 about locating plate 1.
Furthermore, four edges of the front end surface, the rear end surface, the left end surface and the right end surface of the positioning plate 2 are connected and chamfered.
Preferably, the chamfer is a chamfer angle
The working principle is as follows: this frock adopts the locate mode of two round pins one side to fix a position the product. Namely, the upper end surfaces of the two cylindrical pins and the positioning plate are product positioning positions.
The side pressing mechanism is flexible to assemble and disassemble, and can be in an installation and pressing state or a loosening and standby state according to requirements in different steps; the tool is not only suitable for processing inner and outer arcs and cylindrical pins with radiation surfaces at two ends by using a three-axis numerical control vertical milling cylindrical pin, but also can be used for processing helical tooth cylindrical pins by using cylindrical pins in a five-axis milling and turning processing center; the universality is good; the device is not limited by the arc radius and chord length of the product, and has accurate positioning, strong stability and strong applicability; can two products of clamping simultaneously, the processing is inserted to interior outer arc, improves machining efficiency, and practicality is powerful. Under the condition allowed by a machine tool workbench, a plurality of workpieces can be clamped and simultaneously machined, two clamps can be arranged on the workbench surface at the same time, and each clamp clamps two workpieces, namely four workpieces are continuously machined after one-time installation is finished, so that the downtime is reduced, the auxiliary time is greatly shortened, the starting rate of the machine tool is improved, the physical effort is reduced, and the labor intensity is reduced; the clamp body is slightly modified according to specific requirements, so that multiple purposes can be realized, and the adaptability is expanded; the working efficiency is effectively improved by 80-100% during processing.
Drawings
Fig. 1 is a perspective view of a clamping tool for machining inclined-tooth gland sealing end surface steps and a radiation surface of the utility model;
fig. 2 is a front view of the clamping tool for processing the helical tooth steam seal end surface step and the radiation surface of the utility model;
FIG. 3 is a front view of the workpiece after machining is complete;
FIG. 4 is a left side view of the workpiece after machining is complete;
FIG. 5 is a schematic structural view of a machining E-face back arc when a workpiece to be machined is clamped;
FIG. 6 is a schematic structural diagram of the machining of steps on the A surface and the B surface when a workpiece to be machined is clamped.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1-2, and the clamping tool for machining the steps and the radiation surfaces of the end faces of the skewed tooth steam seals comprises a positioning plate 1, three upper pressing mechanisms, three bolts three 5 and four side pressing mechanisms, wherein two groups of side pressing mechanisms are respectively fixed on the front portion and the rear portion of the positioning plate 1, the bolts three 5 are arranged in the vertical direction, the lower ends of the bolts three 5 are fixedly connected with the positioning plate 1, and the upper ends of the bolts three 5 are fixedly connected with one upper pressing mechanism.
The second embodiment is as follows: the embodiment is described with reference to fig. 1-2, and the clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal comprises a side pressing mechanism, a first bolt 3 and a second bolt 4, wherein one end of the side pressing mechanism 2 is fixedly connected to the side portion of a positioning plate 1 through the first bolt 3 in a position-adjustable threaded manner, the other end of the side pressing mechanism 2 is fixedly connected with the second bolt 4 in a threaded manner, the second bolt 4 is arranged at the upper end of the positioning plate 1, and other embodiments are the same as the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1-2, a clamping tool for processing a step and a radiating surface of a helical tooth steam seal end face, a waist-shaped hole is formed in an outer end face of a side pressure plate 2, a bolt i 3 penetrates through the waist-shaped hole of the side pressure plate 2 to be fixedly connected with a positioning plate 1, and other embodiments are the same as the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1-2, a clamping tool for processing steps and a radiation surface of a helical tooth steam seal end surface, a third bolt 5 is a stud bolt, the lower end of the third bolt 5 is connected with a positioning plate 1 through threaded connection, the upper end of the third bolt 5 is connected with an upper pressing mechanism through threaded connection, and other embodiments are the same as the first embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1-2, and the clamping tool for processing the step and the radiation surface of the inclined-tooth steam seal end face comprises an upper pressing plate 8 and a nut 9, wherein a through hole is formed in the middle of the upper end face of the upper pressing plate 8, the upper end thread of a bolt three 5 penetrates through the through hole of the upper pressing plate 8, the upper end thread of the bolt three 5 is connected with the nut 9, the nut 9 is arranged on the upper end face of the upper pressing plate 8, and other embodiments are the same as the first embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1-2, and a clamping tool for processing a step and a radiation surface of an end face of a helical-tooth steam seal is provided, wherein two cylindrical pins 7 are arranged on an upper end face of a positioning plate 1, each cylindrical pin 7 is respectively arranged between two adjacent bolts three 5, and other embodiments are the same as the first embodiment.
The seventh embodiment: in the embodiment, the clamping tool for processing the step and the radiating surface of the end face of the helical tooth steam seal is described with reference to fig. 1-2, the section radius of the cylindrical pin 7 is larger than that of the bolt III 5, and other embodiments are the same as the sixth embodiment.
The specific implementation mode is eight: the embodiment will be described with reference to fig. 1-2, and a clamping tool for machining a step and a radiation surface of a helical tooth gland seal end surface is provided, where the left and right ends of the positioning plate 1 are provided with reserved thread grooves 6, and other embodiments are the same as the ninth embodiment.
Example 1: the present embodiment is described with reference to fig. 3 to 6.
The method comprises the following steps: and clamping the blank. The two groups of blanks are placed on a clamping tool with the B surface tightly attached to the upper end surface of the positioning plate and the F surface tightly attached to the side end surface of the cylindrical pin, the position of the side pressure plate is rotated to enable the second bolt to move to push against the E surface when rotating, the first bolt is screwed to fix the side pressure plate, then the second bolt is screwed to enable the F surface of the blanks to be tightly attached to the cylindrical pin, then the through hole of the upper pressure plate is aligned to the third bolt and placed on the clamping tool to press the two groups of blanks, the nut above the upper pressure plate is screwed, and finally the first bolt and the second bolt are loosened to enable the side pressure plate to be loosened and placed at the position below.
And step two, processing the E-surface screenshot through groove.
And step three, loosening the blank, turning the blank in the horizontal direction to enable the surface E to be tightly attached to the cylindrical pin, enabling the surface B to be tightly attached to the upper end face of the positioning plate, and clamping the blank according to the mode of the step one.
And step four, processing the step of the surface A, the C surface and the D surface of the radiation surface at two ends.
And step five, loosening the blank, turning the blank in the vertical direction to enable the surface E to be tightly attached to the cylindrical pin, enabling the surface A to be tightly attached to the upper end face of the positioning plate, and clamping the blank according to the mode of the step one.
And step six, processing the B surface step.
Example 2 this example is illustrated with reference to figures 3-6.
Steps one to four are the same as in example 1.
And fifthly, loosening the blank, turning the blank in the vertical direction to enable the surface E to be tightly attached to the cylindrical pin, enabling the surface A to be tightly attached to the upper end face of the positioning plate, adding a support between the step vacancy of the surface A and the upper end face of the positioning plate, wherein the support can be a specially-produced support or other supports, and clamping the blank according to the mode of the step one.
And step six, processing the step of the surface B and the tooth form of the surface F.

Claims (10)

1. The utility model provides a clamping frock of processing skewed tooth vapor seal terminal surface step and radiating surface which characterized in that: the novel positioning device comprises a positioning plate (1), three upper pressing mechanisms, three bolts III (5) and four side pressing mechanisms, wherein the front part and the rear part of the positioning plate (1) are respectively and fixedly provided with two groups of side pressing mechanisms, the bolts III (5) are arranged along the vertical direction, the lower ends of the bolts III (5) are fixedly connected with the positioning plate (1), and the upper end of each bolt III (5) is fixedly connected with one upper pressing mechanism.
2. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 1, wherein the clamping tool comprises: the side compression mechanism comprises a side compression plate (2), a first bolt (3) and a second bolt (4), one end of the side compression plate (2) is fixedly connected with the side portion of the positioning plate (1) through the first bolt (3) in a position-adjustable threaded manner, the other end of the side compression plate (2) is connected with the second bolt (4) in a threaded manner, and the second bolt (4) is arranged at the upper end of the positioning plate (1).
3. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 2, characterized in that: the outer end face of the side pressing plate (2) is provided with a waist-shaped hole, and the first bolt (3) penetrates through the waist-shaped hole of the side pressing plate (2) and is fixedly connected with the positioning plate (1).
4. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 1, wherein the clamping tool comprises: the third bolt (5) is a stud bolt, the lower end of the third bolt (5) is connected with the positioning plate (1) through threaded connection, and the upper end of the third bolt (5) is connected with the upper pressing mechanism through threaded connection.
5. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 1, wherein the clamping tool comprises: go up hold-down mechanism and include top board (8) and nut (9), the middle part of top board (8) up end is equipped with the through-hole, and the upper end screw thread of bolt three (5) passes the through-hole of top board (8), and the upper end threaded connection of bolt three (5) has nut (9), and nut (9) set up on the up end of top board (8).
6. The clamping tool for machining the step and the radiating surface of the end face of the helical-tooth steam seal according to claim 1, wherein two cylindrical pins (7) are arranged on the upper end face of the positioning plate (1), and each cylindrical pin (7) is arranged between every two adjacent bolts III (5).
7. The clamping tool for machining the step and the radiating surface of the end face of the helical tooth steam seal according to claim 6, wherein the radius of the cross section of the cylindrical pin (7) is larger than that of the cross section of the bolt III (5).
8. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 1, wherein the left end and the right end of the positioning plate (1) are provided with reserved thread grooves (6).
9. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 1, wherein the clamping tool comprises: four edges of the front end surface, the rear end surface, the left end surface and the right end surface of the positioning plate (1) are connected and are provided with chamfers.
10. The clamping tool for machining the step and the radiating surface of the end face of the skewed tooth steam seal according to claim 9, wherein the clamping tool comprises: the chamfer is a chamfer angle.
CN201921479737.0U 2019-09-06 2019-09-06 Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface Active CN210335214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921479737.0U CN210335214U (en) 2019-09-06 2019-09-06 Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921479737.0U CN210335214U (en) 2019-09-06 2019-09-06 Clamping tool for machining inclined-tooth steam seal end surface step and radiation surface

Publications (1)

Publication Number Publication Date
CN210335214U true CN210335214U (en) 2020-04-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975280A (en) * 2020-08-28 2020-11-24 李东亮 Be applied to welding jig of pipeline on condensate pump top cover
CN114029569A (en) * 2021-11-24 2022-02-11 无锡奥联博精密机械有限公司 Multi-machining-position sheet part machining method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111975280A (en) * 2020-08-28 2020-11-24 李东亮 Be applied to welding jig of pipeline on condensate pump top cover
CN114029569A (en) * 2021-11-24 2022-02-11 无锡奥联博精密机械有限公司 Multi-machining-position sheet part machining method

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