CN211889304U - Large-scale ratchet processing clamping device - Google Patents
Large-scale ratchet processing clamping device Download PDFInfo
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- CN211889304U CN211889304U CN202020091726.1U CN202020091726U CN211889304U CN 211889304 U CN211889304 U CN 211889304U CN 202020091726 U CN202020091726 U CN 202020091726U CN 211889304 U CN211889304 U CN 211889304U
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- ratchet
- positioning base
- clamping device
- connecting flange
- ratchet wheel
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Abstract
The utility model relates to a large-scale ratchet processing clamping device, its characterized in that: the clamping fixture comprises a positioning base and a clamping accessory installed on the positioning base, wherein the positioning base is connected with a machine tool rotary table, a ratchet is installed on the positioning base, a milling cutter is arranged at the outer circle of the ratchet, and the ratchet is machined by the milling cutter. The utility model has the advantages that the positioning base has high positioning precision, and the clamping does not need to correct the workpiece; the ratchet wheel is simple and convenient to mount on the positioning base, and the clamping time is short; the ratchet wheel is processed by a processing center, so that the processing precision is high; and a high-speed milling process is adopted, so that the processing time is greatly shortened.
Description
Technical Field
The utility model relates to a large-scale ratchet processing clamping device, concretely relates to large-scale ratchet is at horizontal machining center's processing technology belongs to machining technical field.
Background
The existing large ratchet is used for processing ratchets on large-scale linear cutting equipment, and the existing processing method has the following defects:
firstly, the processing time is long, and the linear cutting processing speed is 100mm2The machining speed is extremely low, and according to statistics, the machining time of the ratchet wheel is 76 hours;
secondly, the processing quality is low, the outer diameter of the ratchet wheel is 1400mm, the wire cutting equipment with the effective processing range of more than 1400 multiplied by 1400mm is generally in the specification of more than 2000mm, the processing precision of large-scale wire cutting equipment is low, and the surface finish is poor;
and thirdly, the clamping and the correction are difficult, when the linear cutting equipment corrects the ratchet wheel, the ratchet wheel is fixed and does not rotate, the center of the ratchet wheel is difficult to align, and the concentricity of the processed ratchet wheel and the inner hole of the ratchet wheel is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects in the prior art, the large ratchet wheel machining clamping device is provided, the rapid and high-precision clamping and positioning of ratchet wheel machining can be realized, the high-precision machining of a ratchet wheel is realized, and meanwhile, the machining time is greatly shortened.
In order to achieve the above object, the utility model provides a large-scale ratchet processing clamping device, its characterized in that: the clamping fixture comprises a positioning base and a clamping accessory installed on the positioning base, wherein the positioning base is connected with a machine tool rotary table, a ratchet is installed on the positioning base, a milling cutter is arranged at the outer circle of the ratchet, and the ratchet is machined by the milling cutter.
The utility model discloses a device includes by lower supreme location base, second bolt, ratchet, the first bolt that connects gradually, and milling cutter is customization milling cutter, and the ratchet on the ratchet adopts customization milling cutter to carry out high-efficient processing.
Furthermore, the clamping accessory comprises a first bolt and a second bolt, the positioning base is fixedly connected with the ratchet wheel through the first bolt, and the positioning base is fixedly connected with the rotary worktable of the machine tool through the second bolt.
Furthermore, the positioning base is of a welding structure and comprises a bottom connecting flange, a supporting cylinder, a top connecting flange and a positioning boss, the bottom connecting flange is connected with the top connecting flange through the supporting cylinder, and therefore the bottom connecting flange and the top connecting flange are supported through the supporting cylinder, and the whole positioning base has extremely high rigidity.
Furthermore, the positioning boss is arranged on the top connecting flange.
Furthermore, the positioning boss is matched with a positioning spigot of the ratchet wheel, and the ratchet wheel is connected with the positioning boss in a matched mode through the positioning spigot, so that clamping and positioning of the ratchet wheel are achieved.
Furthermore, a group of first screw holes which are uniformly distributed along the circumferential direction are formed in the top connecting flange, and first bolts are matched with the first screw holes.
Furthermore, a group of first mounting holes which are uniformly distributed along the circumferential direction are formed in the ratchet wheel, and first bolts are matched with the first mounting holes.
Furthermore, the first bolt penetrates through a first mounting hole in the ratchet wheel to be connected with a first screw hole in the top connecting flange, so that the ratchet wheel is fixed on the positioning base.
Furthermore, two groups of second screw holes which are uniformly distributed along the circumferential direction are formed in the bottom connecting flange, and second bolts are matched with the second screw holes. And the second bolt penetrates through the second screw hole to connect the bottom connecting flange with the rotary worktable of the machine tool, and the positioning base is fixed on the rotary worktable of the machine tool.
The utility model has the advantages that the positioning base has high positioning precision, and the clamping does not need to correct the workpiece; the ratchet wheel is simple and convenient to mount on the positioning base, and the clamping time is short; the ratchet wheel is processed by a processing center, so that the processing precision is high; and a high-speed milling process is adopted, so that the processing time is greatly shortened.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall assembly of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic structural view of the middle positioning base of the present invention.
Fig. 4 is a schematic structural diagram of the customized milling cutter of the present invention.
Fig. 5 is a schematic structural view of the ratchet wheel of the present invention.
In the figure: 1. the machine tool comprises a machine tool rotary table, 2, a positioning base, 201, a bottom connecting flange, 202, a supporting cylinder, 203, a top connecting flange, 204, a positioning boss, 205, a first screw hole, 206, a second screw hole, 3, a customized milling cutter, 4, a ratchet, 401, a positioning spigot, 402, a first mounting bolt and 403, and a ratchet.
Detailed Description
Example one
As shown in fig. 2, the large ratchet wheel machining and clamping device comprises a positioning base 2 and a clamping accessory installed on the positioning base 2, wherein the positioning base 2 is connected with a machine tool rotary table 1, a ratchet wheel 4 is installed on the positioning base 2, a customized milling cutter 3 (shown in fig. 4) is arranged at the excircle of the ratchet wheel 4, and the ratchet wheel 4 is machined by the customized milling cutter 3. The ratchet 4 is disc-shaped, a circular positioning spigot 401 is formed on the ratchet 4, 24 first mounting holes 402 are formed on the ratchet 4 and evenly distributed along the circumferential direction, and 20 ratchets 403 are formed on the outer circumferential surface of the ratchet 4 and evenly distributed along the circumferential direction (see fig. 5). The clamping accessory comprises a first bolt 5 and a second bolt 6, the positioning base 2 is fixedly connected with the ratchet wheel 4 through the first bolt 5, and the positioning base 2 is fixedly connected with the machine tool rotary table 1 through the second bolt 6.
As shown in fig. 3, the positioning base 2 is of a welded structure, the positioning base 2 includes a bottom connecting flange 201, a supporting cylinder 202, a top connecting flange 203 and a positioning boss 204, the bottom connecting flange 201 is connected with the top connecting flange 203 through the supporting cylinder 202, and the bottom connecting flange 201 and the top connecting flange 203 are supported by the supporting cylinder 202, so that the whole positioning base has extremely high rigidity. The positioning boss 204 is annular, the positioning boss 204 is mounted on the top connecting flange 203, the positioning boss 204 can be matched with the positioning spigot 401 of the ratchet wheel 4, and the ratchet wheel 4 is matched and connected with the positioning boss 204 through the positioning spigot 401, so that clamping and positioning of the ratchet wheel 4 are realized. In addition, 24 first screw holes 205 uniformly distributed along the circumferential direction are formed on the top connecting flange 203, and first bolts 5 are arranged in cooperation with the first screw holes 205. 24 first mounting holes 402 are uniformly distributed along the circumferential direction on the ratchet 403 of the ratchet wheel 4, and a first bolt 5 is arranged in match with the first mounting holes 402, so that the first bolt 5 passes through the first mounting hole 402 on the ratchet wheel 4 to be connected with the first screw hole 205 on the top connecting flange 203, and the ratchet wheel 4 is fixed on the positioning base 2. An inner group of second screw holes 206 and an outer group of second screw holes 206 (wherein the inner ring is provided with 12 second screw holes 206, the outer ring is provided with 16 to 18 second screw holes 206) which are uniformly distributed along the circumferential direction are formed on the bottom connecting flange 201, second bolts 6 are arranged in a matching way with the second screw holes 206, the bottom connecting flange 201 is connected with the machine tool rotary table 1 after the second bolts 6 pass through the second screw holes 206, and the positioning base 2 is fixed on the machine tool rotary table 1.
A large ratchet wheel processing method is shown in figure 1 and specifically comprises the following steps:
s1, arranging the positioning base 2 on a machine tool rotary table 1 of the ratchet wheel processing machine tool, and enabling the bottom connecting flange 201 of the positioning base 2 to be in contact connection with the machine tool rotary table 1;
s2, correcting the positioning boss 204 on the positioning base 2 to make the positioning boss 204 concentric with the machine tool rotary table 1;
s3, fixing the positioning base 2 on the machine tool rotary table 1 by using second bolts 6 to penetrate through second screw holes 206 on the bottom connecting flange 201;
s4, arranging the ratchet wheel 4 on the positioning base 2, and enabling the positioning spigot 401 of the ratchet wheel 4 to be matched and connected with the positioning boss 204 on the positioning base 2;
s5, connecting the ratchet wheel 4 with the first screw hole 205 on the top connecting flange 203 through the first mounting hole 402 on the ratchet wheel 4 by using the first bolt 5, and fixing the ratchet wheel 4 on the positioning base 2;
s6, the customized milling cutter 3 mounted on the ratchet machining tool is used to complete the efficient machining of each ratchet 403 on the ratchet 4.
The positioning base 2 of the embodiment has high positioning precision, and workpieces do not need to be corrected in clamping; the ratchet 4 is simple and convenient to mount on the positioning base 2, and the clamping time is short; the ratchet 4 is processed by a processing center, so that the processing precision is high; the processing time is shortened to 3 hours by adopting a high-speed milling processing technology.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (10)
1. The utility model provides a large-scale ratchet processing clamping device which characterized in that: the clamping fixture comprises a positioning base (2) and a clamping accessory installed on the positioning base (2), wherein the positioning base (2) is connected with a machine tool rotary table (1), a ratchet wheel (4) is installed on the positioning base (2), and a milling cutter is arranged at the excircle of the ratchet wheel (4).
2. The large ratchet machining clamping device according to claim 1, wherein the clamping device comprises: the clamping accessory comprises a first bolt (5) and a second bolt (6), the positioning base (2) is fixedly connected with the ratchet wheel (4) through the first bolt (5), and the positioning base (2) is fixedly connected with the machine tool rotary table (1) through the second bolt (6).
3. The large ratchet machining clamping device according to claim 2, wherein: the positioning base (2) comprises a bottom connecting flange (201), a supporting cylinder (202), a top connecting flange (203) and a positioning boss (204), and the bottom connecting flange (201) is connected with the top connecting flange (203) through the supporting cylinder (202).
4. The large ratchet machining clamping device according to claim 3, wherein the clamping device comprises: the positioning boss (204) is mounted on the top connecting flange (203).
5. The large ratchet machining clamping device according to claim 4, wherein the clamping device comprises: the positioning boss (204) is matched with a positioning spigot (401) of the ratchet wheel (4).
6. The large ratchet machining clamping device according to claim 5, wherein: the top connecting flange (203) is provided with a group of first screw holes (205) which are uniformly distributed along the circumferential direction, and first bolts (5) are matched with the first screw holes (205).
7. The large ratchet machining clamping device according to claim 6, wherein: a group of first mounting holes (402) which are uniformly distributed along the circumferential direction are formed in the ratchet wheel (4), and first bolts (5) are arranged in a matching mode with the first mounting holes (402).
8. The large ratchet machining clamping device according to claim 7, wherein: the first bolt (5) penetrates through a first mounting hole (402) in the ratchet wheel (4) to be connected with a first screw hole (205) in the top connecting flange (203), and the ratchet wheel (4) is fixed on the positioning base (2).
9. The large ratchet machining clamping device according to claim 8, wherein: two groups of second screw holes (206) which are uniformly distributed along the circumferential direction are formed in the bottom connecting flange (201), and second bolts (6) are arranged in a matching mode with the second screw holes (206).
10. The large ratchet machining clamping device according to claim 9, wherein: and the second bolt (6) penetrates through the second screw hole (206) and then connects the bottom connecting flange (201) with the machine tool rotary table (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020091726.1U CN211889304U (en) | 2020-01-16 | 2020-01-16 | Large-scale ratchet processing clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020091726.1U CN211889304U (en) | 2020-01-16 | 2020-01-16 | Large-scale ratchet processing clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211889304U true CN211889304U (en) | 2020-11-10 |
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ID=73302429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020091726.1U Active CN211889304U (en) | 2020-01-16 | 2020-01-16 | Large-scale ratchet processing clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211889304U (en) |
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2020
- 2020-01-16 CN CN202020091726.1U patent/CN211889304U/en active Active
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