CN212122404U - Single stator tool clamp of all-metal conical screw pump - Google Patents
Single stator tool clamp of all-metal conical screw pump Download PDFInfo
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- CN212122404U CN212122404U CN201921360095.2U CN201921360095U CN212122404U CN 212122404 U CN212122404 U CN 212122404U CN 201921360095 U CN201921360095 U CN 201921360095U CN 212122404 U CN212122404 U CN 212122404U
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Abstract
The utility model provides an all-metal tapered screw pump's free frock clamp of stator, it can realize stator monomer quick location, clamping. The utility model provides a free frock clamp of stator of all-metal tapered screw pump, its includes the bottom plate, its characterized in that, frock clamp still includes: the appearance positioning mechanism comprises a first positioning block, the first positioning block is provided with a first positioning groove, and the first positioning groove is of a V-shaped structure; inner chamber profile positioning mechanism includes the second locating piece, first location structure and second location structure, the second locating piece is equipped with location grafting portion, location grafting portion is the V-arrangement structure, the second locating piece of erectting the setting makes the plane of symmetry of location grafting portion and the coincidence of the plane of symmetry of first locating groove through first location structure, be provided with waist shape on the second locating piece, annular location is protruding, the second locating piece that the level set up makes the plane of symmetry of the bellied major axis direction of location and the coincidence of the plane of symmetry of first locating groove through second location structure.
Description
Technical Field
The utility model relates to an all-metal screw pump's frock clamp, concretely relates to all-metal tapered screw pump's free frock clamp of stator.
Background
A novel segmented combined stator of an all-metal tapered screw pump comprises more than 2 sections of stator monomers, wherein one end of each stator monomer is provided with a positioning groove, the other end of each stator monomer is provided with a positioning bulge, the top end face of the inner cavity profile of each stator monomer is self-positioned and protruded and penetrates through and extends to the bottom end face of the positioning groove, the positioning grooves and the positioning bulges at the adjacent ends of the two sections of stator monomers are spliced with each other, the bottom end faces of the positioning grooves and the top end faces of the positioning bulges are attached to each other, the inner cavity profiles of the stator monomers are ensured to be continuous and have no fault, meanwhile, the positioning bulges and the positioning grooves are used for realizing the mutual positioning and the rotation prevention between the stator monomers, the inner cavity profiles of the stator monomers can be enabled to have no dislocation profiles at the splicing positions, the integral accuracy of the inner cavity after splicing is ensured, further, a, And the stator is quickly assembled, so that the stator is quickly produced.
The stator monomer of the traditional all-metal screw pump is of a non-conical structure, the inner cavity profile is subjected to finish machining through a lathe, and is matched and aligned with the inner cavity profile of the roughly machined stator monomer through a turning tool without a tool clamp; the sectional combined stator single body of the novel all-metal conical screw pump performs finish machining on the inner cavity profile through the machining center, a corresponding tool clamp needs to be designed, and quick positioning and clamping of the stator single body are realized.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model provides an all-metal conical screw pump's free frock clamp of stator, it can realize stator monomer quick location, clamping.
Its technical scheme is such, a free frock clamp of stator of all-metal tapered screw pump, it includes the bottom plate, its characterized in that: the tool clamp further comprises an appearance positioning mechanism, an inner cavity molded surface positioning mechanism and a fixing mechanism;
the appearance positioning mechanism comprises a first positioning block, the first positioning block is fixed on the bottom plate, a first positioning groove which extends vertically and is provided with a horizontally-oriented opening is formed in the first positioning block, and the first positioning groove is of a V-shaped structure;
the inner cavity profile positioning mechanism comprises a second positioning block, a first positioning structure and a second positioning structure, the second positioning block is provided with a positioning insertion part which is of a V-shaped structure, the width of a waist-shaped hole in the section of the end part of the stator monomer is positioned between the width of the lower end and the width of the upper end of the insertion part, the second positioning block which is vertically arranged enables the symmetrical plane of the positioning insertion part to be superposed with the symmetrical plane of the first positioning groove through the first positioning structure, a waist-shaped and annular positioning bulge is arranged on the second positioning block, a central hole of the positioning bulge penetrates through the second positioning block, the length of the positioning bulge is smaller than that of a positioning groove of the stator monomer, but the width of the positioning bulge is equal, and a symmetrical plane of the positioning bulge in the long axis direction is coincided with a symmetrical plane of the first positioning groove through the second positioning structure by the horizontally arranged second positioning block;
fixing mechanism is including pressing from both sides tight piece and retaining member, it is equipped with along vertical extension and the opening is the pressure equipment groove of level orientation to press from both sides tight piece, the pressure equipment groove is the V-arrangement structure, press from both sides tight piece with first locating block sets up and fastens in order to press from both sides tight stator monomer with the mode that the notch is relative.
Furthermore, the first positioning structure comprises a connecting strip and a reference seat, the reference seat is fixed on the bottom plate, a vertically extending reference hole is formed in the top of the reference seat, one end of the connecting strip is vertically connected with the second positioning block, the other end of the connecting strip can be inserted into the reference hole, and the cross sections of the connecting strip and the reference hole are rectangular.
Furthermore, the first positioning structure comprises a connecting strip and a reference seat, the reference seat is fixed on the bottom plate, a vertically extending reference hole is formed in the top of the second positioning block, one end of the connecting strip is vertically connected with the reference seat, the other end of the connecting strip can be inserted into the reference hole, and the cross sections of the connecting strip and the reference hole are rectangular.
Furthermore, the second positioning structure comprises the positioning insertion part and the first positioning groove, and the positioning insertion part is matched with the first positioning groove.
Furthermore, the second positioning groove extends inwards from the side wall of the bottom plate, which is positioned at one side of the opening of the first positioning groove, the width of the second positioning groove is the same as that of the second positioning block, and the symmetrical plane of the second positioning groove is superposed with that of the first positioning groove;
or the second positioning structure comprises the insertion part and a third positioning groove, the third positioning groove is formed in the bottom plate, the third positioning groove is matched with the second positioning block, and the V-shaped structure part of the third positioning groove is matched with the first positioning groove.
Further, the V-shaped structure of the first positioning groove is replaced by an arc-shaped structure.
Further, the V-shaped structure of the press-fit groove is replaced by an arc-shaped structure.
Furthermore, the positioning protrusion is arranged on the second positioning block instead of the third positioning block.
The utility model discloses a when anchor clamps use:
(1) the positioning and clamping process comprises the following steps that firstly, the vertical stator monomer is supported on a bottom plate and is abutted against two side walls of a V-shaped structure of a first positioning groove, and then the cylindrical side surface of the stator monomer is positioned; secondly, inserting a positioning insertion part of a vertical second positioning block into an inner cavity of the stator monomer, attaching two V-shaped side walls of the positioning insertion part to two straight edges of a kidney-shaped hole in the section of the end part of the stator monomer, positioning between the second positioning block and the stator monomer, then rotating the second positioning block, synchronously driving the stator monomer to rotate, enabling a symmetrical surface of the positioning insertion part to be superposed with a symmetrical surface of a first positioning groove through a first positioning structure, positioning the profile of the inner cavity of the stator monomer, and finally, arranging a clamping block and the first positioning block in a mode that notches are opposite to each other and fastening through a locking part, so that the stator monomer is fixed;
(2) the clamping process comprises the following steps that firstly, a second positioning block is horizontally arranged, a symmetrical surface in the long axis direction of the positioning protrusion is enabled to coincide with a symmetrical surface of a first positioning groove through a second positioning structure, positioning between the second positioning block and a base plate and between the second positioning block and a first positioning block is achieved, secondly, the positioning protrusion of the second positioning block is matched with a positioning groove of a stator monomer, positioning between the second positioning block and the stator monomer or between the second positioning block and the inner cavity surface of the stator monomer is achieved, then, the length of the positioning protrusion is smaller than that of the positioning groove of the stator monomer, the rotor monomer is pushed along the length direction of the positioning protrusion, the rotor monomer is enabled to be abutted against two side walls of a V-shaped structure of the first positioning groove, positioning of the cylindrical side surface of the stator monomer is achieved, and finally, a clamping block and the first positioning block are arranged in a mode that notches are opposite and fastened through a locking part, the stator monomer is fixed.
The utility model discloses a frock clamp can realize stator monomer location, clamping fast, and not only easy operation is convenient, simple structure moreover, and is with low costs.
Drawings
Fig. 1 is a schematic top view of a clamping and matching structure of the tooling fixture and the stator unit in the embodiment, wherein the second positioning block is not shown, and the end of the stator unit is not formed with a positioning groove.
Fig. 2 is a schematic front view of the second positioning block and the first positioning structure in an embodiment.
Fig. 3 is a schematic structural diagram of a base plate in the embodiment.
Fig. 4 is a schematic view of a stator unit (positioning groove is formed), a stator unit (positioning groove is not formed), and a second positioning block.
Detailed Description
As shown in fig. 1 to 4, a fixture for a stator unit of an all-metal tapered screw pump comprises a base plate 1, a shape positioning mechanism, an inner cavity profile positioning mechanism and a fixing mechanism;
the appearance positioning mechanism comprises a first positioning block 2, the first positioning block 2 is fixed on the bottom plate 1, a first positioning groove 21 which extends vertically and is provided with a horizontally-oriented opening is formed in the first positioning block 2, and the first positioning groove 21 is of a V-shaped structure;
the inner cavity profile positioning mechanism comprises a second positioning block 3, a first positioning structure and a second positioning structure, the second positioning block 3 is provided with a positioning insertion part 31, the positioning insertion part 31 is of a V-shaped structure, and the width b (in the figure, a is the length of a waist-shaped hole before a positioning groove is not machined and comprises the length of a rectangular part and the radius of semicircular holes at two ends) of a waist-shaped hole 61 at the end section of the stator monomer 6 is positioned between the width c at the lower end and the width d at the upper end of the insertion part;
the vertically arranged second positioning block 3 enables the symmetrical surface of the positioning insertion part 31 to coincide with the symmetrical surface of the first positioning groove 21 through a first positioning structure, the first positioning structure comprises a connecting strip 5 and a reference seat 4, the reference seat 4 is fixed on the bottom plate 1, a vertically extending reference hole 41 is formed in the top of the reference seat 4, one end of the connecting strip 5 is vertically connected with the second positioning block 3, the other end of the connecting strip can be inserted into the reference hole, and the side wall, opposite to the opening of the positioning groove, of the first positioning block 2 is attached to the reference seat 4 and fixed through a bolt;
a waist-shaped and annular positioning protrusion 32 is arranged on the second positioning block 3, a central hole 33 of the positioning protrusion 32 penetrates through the second positioning block 3, the length e of the positioning protrusion 32 is smaller than the length g of the positioning groove 62 of the stator unit, but the widths f and h of the positioning protrusion and the positioning groove are equal, a symmetrical surface of the positioning protrusion 32 in the long axis direction is enabled to be overlapped with a symmetrical surface of the first positioning groove 21 by the horizontally arranged second positioning block 3 through a second positioning structure, the second positioning structure comprises an inserting part and a second positioning groove 11, the second positioning groove 11 is formed by extending inwards from the side wall, located on one side of the opening of the first positioning groove, of the bottom plate 1, the width of the second positioning groove 11 is the same as the width of the second positioning block 3, and the symmetrical surface of the second positioning groove 11 is overlapped with the symmetrical surface;
the fixing mechanism comprises a clamping block 7 and a locking piece, the clamping block is provided with a press-fitting groove 71 which extends vertically and has an opening in the horizontal direction, the press-fitting groove is of a V-shaped structure, and the clamping block and the first positioning block 2 are arranged in a mode that notches are opposite and are fastened through the locking piece to clamp the stator unit 6.
In other embodiments, the first positioning structure comprises a connecting strip 5 and a reference seat 4, the reference seat 4 is fixed on the bottom plate 1, a vertically extending reference hole is formed in the top of the second positioning block 3, one end of the connecting strip 5 is vertically connected with the reference seat 4, the other end of the connecting strip can be inserted into the reference hole, and the cross sections of the connecting strip and the reference hole are rectangular.
In other embodiments, the second positioning structure includes a positioning insertion-connection part 31 and a first positioning groove 21, and the positioning insertion-connection part 31 is matched with the first positioning groove 21, but this will increase the height of the stator unit 6 on the bottom plate 1, and the height of the tool needs to be additionally positioned when the positioning protrusion 32 positioned at the other end of the stator unit and the inner cavity profile are processed;
or, the second positioning structure comprises an inserting part and a third positioning groove, the third positioning groove is arranged on the bottom plate 1, the third positioning groove 11 is inosculated with the second positioning block 3, and the V-shaped structure part of the third positioning groove 11 is inosculated with the first positioning groove 21.
In other embodiments, the V-shaped structure of the first positioning groove 21 is replaced by an arc-shaped structure, the V-shaped structure of the press-fitting groove is replaced by an arc-shaped structure, and the arc-shaped groove can reduce the pressure injury to the cylindrical side surface of the stator unit 6 during clamping, but the positioning precision requirement is high, and the processing cost is high.
Claims (9)
1. The utility model provides an all-metal tapered screw pump's free frock clamp of stator, its includes the bottom plate, its characterized in that: the tool clamp further comprises an appearance positioning mechanism, an inner cavity molded surface positioning mechanism and a fixing mechanism;
the appearance positioning mechanism comprises a first positioning block, the first positioning block is fixed on the bottom plate, a first positioning groove which extends vertically and is provided with a horizontally-oriented opening is formed in the first positioning block, and the first positioning groove is of a V-shaped structure;
the inner cavity profile positioning mechanism comprises a second positioning block, a first positioning structure and a second positioning structure, the second positioning block is provided with a positioning insertion part which is of a V-shaped structure, the width of a waist-shaped hole in the section of the end part of the stator monomer is positioned between the width of the lower end and the width of the upper end of the insertion part, the second positioning block which is vertically arranged enables the symmetrical plane of the positioning insertion part to be superposed with the symmetrical plane of the first positioning groove through the first positioning structure, a waist-shaped and annular positioning bulge is arranged on the second positioning block, a central hole of the positioning bulge penetrates through the second positioning block, the length of the positioning bulge is smaller than that of a positioning groove of the stator monomer, but the width of the positioning bulge is equal, and a symmetrical plane of the positioning bulge in the long axis direction is coincided with a symmetrical plane of the first positioning groove through the second positioning structure by the horizontally arranged second positioning block;
fixing mechanism is including pressing from both sides tight piece and retaining member, it is equipped with along vertical extension and the opening is the pressure equipment groove of level orientation to press from both sides tight piece, the pressure equipment groove is the V-arrangement structure, press from both sides tight piece with first locating block sets up and fastens in order to press from both sides tight stator monomer with the mode that the notch is relative.
2. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the first positioning structure comprises a connecting strip and a reference seat, the reference seat is fixed on the bottom plate, a vertically extending reference hole is formed in the top of the reference seat, one end of the connecting strip is vertically connected with the second positioning block, the other end of the connecting strip can be inserted into the reference hole, and the cross section of the connecting strip and the cross section of the reference hole are rectangular.
3. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the first positioning structure comprises a connecting strip and a reference seat, the reference seat is fixed on the bottom plate, a vertically extending reference hole is formed in the top of the second positioning block, one end of the connecting strip is perpendicularly connected with the reference seat, the other end of the connecting strip can be inserted into the reference hole, and the cross section of the connecting strip and the cross section of the reference hole are rectangular.
4. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the second positioning structure comprises the positioning insertion part and the first positioning groove, and the positioning insertion part is matched with the first positioning groove.
5. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the second positioning structure comprises an insertion part and a second positioning groove, the second positioning groove is formed by extending inwards from the side wall, located on one side of the opening of the first positioning groove, of the bottom plate, the width of the second positioning groove is the same as that of the second positioning block, and the symmetrical plane of the second positioning groove is overlapped with that of the first positioning groove.
6. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the second positioning structure comprises the insertion part and a third positioning groove, the third positioning groove is formed in the bottom plate, the third positioning groove is matched with the second positioning block, and the V-shaped structure part of the third positioning groove is matched with the first positioning groove.
7. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the V-shaped structure of the first positioning groove is replaced by an arc-shaped structure.
8. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the V-shaped structure of the press-fitting groove is replaced by an arc-shaped structure.
9. The tool clamp for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the positioning protrusion is arranged on the second positioning block instead of the third positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360095.2U CN212122404U (en) | 2019-08-21 | 2019-08-21 | Single stator tool clamp of all-metal conical screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360095.2U CN212122404U (en) | 2019-08-21 | 2019-08-21 | Single stator tool clamp of all-metal conical screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212122404U true CN212122404U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921360095.2U Active CN212122404U (en) | 2019-08-21 | 2019-08-21 | Single stator tool clamp of all-metal conical screw pump |
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| Country | Link |
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| CN (1) | CN212122404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509088A (en) * | 2019-08-21 | 2019-11-29 | 无锡恒信北石科技有限公司 | The frock clamp of the stator monomer of all-metal conical screw pump |
-
2019
- 2019-08-21 CN CN201921360095.2U patent/CN212122404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509088A (en) * | 2019-08-21 | 2019-11-29 | 无锡恒信北石科技有限公司 | The frock clamp of the stator monomer of all-metal conical screw pump |
| CN110509088B (en) * | 2019-08-21 | 2024-03-08 | 无锡恒信北石科技有限公司 | Tool clamp for stator monomer of all-metal conical screw pump |
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