CN213828638U - Positioning fixture for machining positive and negative toothed disc - Google Patents
Positioning fixture for machining positive and negative toothed disc Download PDFInfo
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- CN213828638U CN213828638U CN202021905353.3U CN202021905353U CN213828638U CN 213828638 U CN213828638 U CN 213828638U CN 202021905353 U CN202021905353 U CN 202021905353U CN 213828638 U CN213828638 U CN 213828638U
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Abstract
The utility model relates to a positioning fixture for processing a positive and negative tooth gear disc, which comprises a first fixture and a second fixture, wherein the first fixture comprises a first base, a first pressing component, a first pillar, a bottom plate and a first clamping seat, the bottom plate is fixed on the first base through the first pillar, the first clamping seat is fixed on the bottom plate, a holding tank for holding a workpiece is arranged on the first clamping seat, and the first pressing component is circumferentially arranged at the periphery of the first clamping seat so as to press or release the workpiece; the second clamp comprises a second base, a second pressing component, a second supporting column and a second clamping seat, the second clamping seat is fixed on the second base through the second supporting column, a workpiece is placed on the second clamping seat, a containing hole is formed in the second clamping seat, and the second pressing component is circumferentially arranged in the containing hole to press or release the workpiece. The utility model discloses a be equipped with first compress tightly the subassembly and the second compresses tightly the subassembly, can realize compressing tightly and releasing the work piece, easy operation, use manpower sparingly, improve work efficiency.
Description
Technical Field
The utility model relates to a positive and negative fluted disc processing technology field of bicycle especially relates to a positioning fixture is used in processing of positive and negative fluted disc.
Background
The positive and negative toothed discs are the connecting structure between the middle shaft and the crank of the bicycle. In the machining process of the positive and negative toothed discs, a clamp needs to be adopted to fix a workpiece to be machined.
However, the conventional fixture is manually operated to fix the workpiece, an operator needs to place the workpiece on the base at first, and the workpiece is locked and fixed on the base through the bolt by matching with the pressing block, so that the workpiece is conveniently processed subsequently, the operation is complex, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a positioning fixture is used in processing of positive negative tooth fluted disc easy operation, use manpower sparingly, improve work efficiency.
The utility model provides a positioning fixture is used in processing of positive and negative fluted disc, its characterized in that: comprises a first clamp and a second clamp,
the first clamp comprises a first base, a first pressing assembly, a first supporting column, a bottom plate and a first clamping seat, the bottom plate is fixed on the first base through the first supporting column, the first clamping seat is fixed on the bottom plate, an accommodating groove for accommodating a workpiece is formed in the first clamping seat, and the first pressing assembly is circumferentially arranged on the periphery of the first clamping seat so as to press or release the workpiece;
the second clamp comprises a second base, a second pressing component, a second supporting column and a second clamping seat, the second clamping seat is fixed on the second base through the second supporting column, a workpiece is placed on the second clamping seat, a containing hole is formed in the second clamping seat, and the second pressing component is circumferentially arranged in the containing hole to press or release the workpiece.
Preferably, the first pressing assembly comprises a first lifting cylinder and a first pressing rod, one end of the first pressing rod is connected with the output end of the first lifting cylinder, and the other end of the first pressing rod is used for pressing or releasing the workpiece.
In any one of the above schemes, preferably, the second pressing assembly includes a second lifting cylinder and a second pressing rod, one end of the second pressing rod is connected to an output end of the second lifting cylinder, and the other end of the second pressing rod presses or releases the workpiece.
In any of the above schemes, preferably, the other end of the first pressure lever and the other end of the second pressure lever are respectively provided with an elastic gasket.
In any one of the above schemes, preferably, the first clamping seat is provided with a plurality of limiting holes in the circumferential direction of the accommodating groove, each limiting hole is provided with a limiting column, and the limiting columns and the first pressing assemblies are arranged in a staggered manner.
In any of the above schemes, preferably, the bottom of the limiting column is provided with a clamping hole, a clamping column connected with the clamping hole in a matched manner is arranged in the limiting hole, and the sections of the clamping hole and the clamping column are both in non-circular structures.
In any of the above schemes, preferably, a plurality of groups of adjusting holes are arranged on the first base corresponding to the positions of the first lifting cylinders, and the first lifting cylinders penetrate through the adjusting holes at the corresponding positions through fasteners to fix the first lifting cylinders to the first base.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. through being equipped with first compress tightly the subassembly and the second compresses tightly the subassembly, can realize compressing tightly and releasing the work piece, adopt the bolt tightening fixed mode to compare with current manual work, easy operation, use manpower sparingly, improve work efficiency.
2. The position of each first lifting cylinder on the first base is provided with a plurality of groups of adjusting holes, and the adjusting holes at the corresponding positions are penetrated by the first lifting cylinders through fasteners so as to realize the fixation with the first base. The multiple groups of adjusting holes are arranged so as to adjust the position of the first pressing assembly, and therefore the pressing effect of the first pressing rod on the workpiece is guaranteed.
3. The first holder is located the holding tank and is equipped with a plurality of spacing holes along the periphery, and every spacing downthehole spacing post that is equipped with, the setting of spacing post is in order to fix a position the work piece.
The positioning fixture for machining the positive and negative fluted discs of the present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a first clamp in the positioning clamp for machining a positive and negative fluted disc of the present invention;
FIG. 2 is a side view of a first fixture of the positioning fixture for machining positive and negative gear disks of the present invention;
FIG. 3 is a top view of a first fixture of the positioning fixture for machining positive and negative gear disks of the present invention;
FIG. 4 is a schematic structural view of a second fixture of the positioning fixture for machining positive and negative gear disks of the present invention;
FIG. 5 is a side view of a second fixture of the positioning fixture for machining positive and negative gear disks of the present invention;
FIG. 6 is a side view of a second fixture of the positioning fixture for machining positive and negative gear disks of the present invention;
wherein: 1. a first base; 2. a first lifting cylinder; 3. a first pressure lever; 4. a first support; 5. a base plate; 6. a first holder; 7. a limiting hole; 8. an adjustment hole; 9. a second base; 10. a second support; 11. a second holder; 12. a second lifting cylinder; 13. a second compression bar; 14. accommodating grooves; 15. an accommodation hole; 16. and (5) a workpiece.
Detailed Description
The utility model provides a positioning fixture is used in processing of positive negative fluted disc, including first anchor clamps, second anchor clamps. The positioning fixture of this embodiment uses with the digit control machine tool cooperation to be used for the fixed of adding man-hour of positive negative fluted disc, because the structure of the positive negative fluted disc positive and negative face of machine-shaping is different, consequently add man-hour same positive negative fluted disc and need adopt two kinds of positioning fixture, first anchor clamps, second anchor clamps promptly. The first clamp is used for processing the front surface of the fluted disc, and the second clamp is used for processing the back surface of the fluted disc.
As shown in fig. 1 to 3, the first fixture includes a first base 1, a first pressing component, a first pillar 4, a bottom plate 5 and a first holder 6, the bottom plate 5 is fixed on the first base 1 through the first pillar 4, the first holder 6 is fixed on the bottom plate 5, an accommodating groove 14 for accommodating a workpiece 16 is formed in the first holder 6, and the first pressing component is circumferentially disposed on the periphery of the first holder 6 to press or release the workpiece 16.
As shown in fig. 4 to 6, the second fixture includes a second base 9, a second pressing component, a second pillar 10, and a second holder 11, the second holder 11 is fixed on the second base 9 through the second pillar 10, a workpiece 16 is placed on the second holder 11, an accommodating hole 15 is formed in the second holder 11, and the second pressing component is circumferentially disposed in the accommodating hole 15 to press or release the workpiece 16.
Specifically, when the fluted disc is machined, firstly, the reverse side of the fluted disc is machined, a workpiece 16 to be machined is placed on the second clamping seat 11, the workpiece 16 is pressed and fixed through the second pressing assembly, the reverse side machining is carried out through the numerical control machine tool, after the machining is finished, the second pressing assembly releases the workpiece 16, an operator places the workpiece 16 in the accommodating groove 14 of the first clamping seat 6, the workpiece 16 is pressed and fixed through the first pressing assembly, the front side machining is carried out through the numerical control machine tool, after the machining is finished, the first pressing assembly releases the workpiece 16, and therefore the machining of the positive and negative fluted disc is finished.
The utility model discloses a positioning fixture is used in processing of positive negative fluted disc compresses tightly the subassembly through being equipped with first subassembly and the second that compresses tightly, can realize compressing tightly and releasing work piece 16, adopts the bolt tightening fixed mode to compare with current manual work, easy operation, uses manpower sparingly, improves work efficiency.
Further, the first pressing assembly comprises a first lifting cylinder 2 and a first pressing rod 3, one end of the first pressing rod 3 is connected with the output end of the first lifting cylinder 2, and the other end of the first pressing rod 3 is used for pressing or releasing the workpiece 16.
Wherein, correspond every first lift cylinder 2 position department on the first base 1 and be equipped with multiunit regulation hole 8, first lift cylinder 2 wears to establish the regulation hole 8 that corresponds the position through the fastener to realize with the fixed of first base 1. A plurality of sets of adjustment holes 8 are provided to facilitate adjustment of the position of the first compression assembly to ensure compression of the workpiece 16 by the first compression bar 3.
Further, the second pressing assembly comprises a second lifting cylinder 12 and a second pressing rod 13, one end of the second pressing rod 13 is connected with the output end of the second lifting cylinder 12, and the other end of the second pressing rod 13 is used for pressing or releasing the workpiece 16.
Furthermore, the other end of the first pressure lever 3 and the other end of the second pressure lever 13 are respectively provided with an elastic gasket. The resilient pad prevents the compression bar from rigidly contacting the workpiece 16, which could cause wear to the compression bar over time. The elastic gasket has a protection effect on the pressure lever, and the elastic gasket can be directly replaced after long-time use.
Further, lie in holding tank 14 internal periphery on first holder 6 and be equipped with a plurality of spacing holes 7, be equipped with spacing post in every spacing hole 7, spacing post sets up with compressing tightly the subassembly is crisscross. In this configuration, the stop posts are positioned to locate the workpiece 16.
Still further, the bottom of spacing post is equipped with the card hole, is equipped with the card post of being connected with the card hole cooperation in spacing hole 7. The cross sections of the clamping holes and the clamping columns are of non-circular structures. In this structure, spacing post is fixed through the cooperation of the card post in spacing hole 7 rather than the card hole of bottom to guarantee the connection structure stability between spacing post and the spacing hole 7, avoid relative rotation between spacing post and the spacing hole 7.
In this embodiment, the first compressing assembly, the second compressing assembly and the limiting column are respectively provided with five.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a positioning fixture is used in processing of positive negative fluted disc which characterized in that: comprises a first clamp and a second clamp,
the first clamp comprises a first base, a first pressing assembly, a first supporting column, a bottom plate and a first clamping seat, the bottom plate is fixed on the first base through the first supporting column, the first clamping seat is fixed on the bottom plate, an accommodating groove for accommodating a workpiece is formed in the first clamping seat, and the first pressing assembly is circumferentially arranged on the periphery of the first clamping seat so as to press or release the workpiece;
the second clamp comprises a second base, a second pressing component, a second supporting column and a second clamping seat, the second clamping seat is fixed on the second base through the second supporting column, a workpiece is placed on the second clamping seat, a containing hole is formed in the second clamping seat, and the second pressing component is circumferentially arranged in the containing hole to press or release the workpiece.
2. The positioning jig for machining a positive and negative toothed disc according to claim 1, wherein: the first pressing assembly comprises a first lifting cylinder and a first pressing rod, one end of the first pressing rod is connected with the output end of the first lifting cylinder, and the other end of the first pressing rod is used for pressing or releasing the workpiece.
3. The positioning jig for machining a positive and negative toothed disc according to claim 2, wherein: the second pressing assembly comprises a second lifting cylinder and a second pressing rod, one end of the second pressing rod is connected with the output end of the second lifting cylinder, and the other end of the second pressing rod is used for pressing or releasing the workpiece.
4. The positioning jig for machining a positive and negative toothed disc according to claim 3, wherein: and elastic gaskets are respectively arranged at the lower parts of the other ends of the first pressure lever and the second pressure lever.
5. The positioning jig for machining a positive and negative toothed disc according to claim 1, wherein: the first clamping seat is located a plurality of limiting holes are formed in the accommodating groove in the circumferential direction, each limiting hole is internally provided with a limiting column, and the limiting columns and the first pressing assemblies are arranged in a staggered mode.
6. The positioning jig for machining a positive and negative toothed disc according to claim 5, wherein: the bottom of spacing post is equipped with the card hole, spacing downthehole card post of being connected with the card hole cooperation that is equipped with, the cross-section of card hole and card post is non-circular structure.
7. The positioning jig for machining a positive and negative toothed disc according to claim 2, wherein: the first base is provided with a plurality of groups of adjusting holes corresponding to the positions of the first lifting cylinders, and the first lifting cylinders penetrate through the adjusting holes corresponding to the positions of the first lifting cylinders through fasteners so as to be fixed with the first base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905353.3U CN213828638U (en) | 2020-09-03 | 2020-09-03 | Positioning fixture for machining positive and negative toothed disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905353.3U CN213828638U (en) | 2020-09-03 | 2020-09-03 | Positioning fixture for machining positive and negative toothed disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213828638U true CN213828638U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021905353.3U Active CN213828638U (en) | 2020-09-03 | 2020-09-03 | Positioning fixture for machining positive and negative toothed disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213828638U (en) |
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2020
- 2020-09-03 CN CN202021905353.3U patent/CN213828638U/en active Active
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