CN211387730U - Single stator clamp of all-metal conical screw pump - Google Patents
Single stator clamp of all-metal conical screw pump Download PDFInfo
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- CN211387730U CN211387730U CN201921360622.XU CN201921360622U CN211387730U CN 211387730 U CN211387730 U CN 211387730U CN 201921360622 U CN201921360622 U CN 201921360622U CN 211387730 U CN211387730 U CN 211387730U
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Abstract
The utility model provides an all-metal conical screw pump's free anchor clamps of stator, it can realize stator monomer quick positioning, clamping. The utility model provides an all-metal tapered screw pump's free anchor clamps of stator, its includes the bottom plate, its characterized in that, anchor clamps still include: the appearance positioning mechanism comprises a first positioning block, the first positioning block is fixed on the bottom plate through a reference seat, and a first positioning groove with a V-shaped structure is formed in the first positioning block; the first inner cavity molded surface positioning mechanism comprises a second positioning block, a positioning insertion part with a V-shaped structure is arranged at the lower part of the second positioning block, the second positioning block is rotatably arranged at one end of a connecting rod through a connecting shaft, the connecting shaft and the connecting rod are rotatably positioned through a collision block, the other end of the connecting rod is rotatably arranged on a reference seat, and a positioning step is arranged at the top of the reference seat; the second inner cavity molded surface positioning mechanism comprises a third positioning block, a waist-shaped positioning bulge is arranged on the upper end face of the third positioning block, and a second positioning groove is formed in the side wall of the bottom plate in an inward extending mode.
Description
Technical Field
The utility model relates to an all-metal screw pump's anchor clamps, concretely relates to all-metal tapered screw pump's free anchor clamps 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 clamp; the sectional combined stator monomer of the novel all-metal conical screw pump performs finish machining on the inner cavity profile through the machining center, a corresponding clamp needs to be designed, and quick positioning and clamping of the stator monomer 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 anchor clamps of stator, it can realize stator monomer quick location, clamping.
Its technical scheme is such, the free anchor clamps of stator of all-metal toper screw pump, it includes the bottom plate, its characterized in that: the fixture further comprises a shape positioning mechanism, a first inner cavity profile positioning mechanism, a second inner cavity profile positioning mechanism and a fixing mechanism;
the appearance positioning mechanism comprises a first positioning block, the first positioning block is attached to and fixedly connected with a reference seat, the reference seat is fixed on the bottom plate, the first positioning block is provided with a first positioning groove which extends vertically and is provided with a horizontally-oriented opening, and the first positioning groove is of a V-shaped structure;
the first inner cavity profile positioning mechanism comprises a second positioning block, a connecting rod, a connecting shaft and a handle, a positioning insertion part with a V-shaped structure is arranged at the lower part of the second positioning block, the width of a waist-shaped hole in the end section of a stator monomer is positioned between the width of the lower end and the width of the upper end of the insertion part, the top of the second positioning block is provided with the connecting shaft, the connecting shaft penetrates through one end of the connecting rod and then is connected with the handle, the connecting shaft is positioned on a rod body at the upper part of the connecting rod and is provided with a first collision block, the upper end surface of the connecting rod is provided with a second collision block, the other end of the connecting rod is rotatably arranged at the top of the reference seat through a rotating shaft, the top of the reference seat is provided with a positioning step, when the connecting shaft rotates until the first collision block abuts against the second collision block and, the symmetrical surface of the positioning insertion part is superposed with the symmetrical surface of the first positioning groove;
the second inner cavity profile positioning mechanism comprises a third positioning block, a waist-shaped and annular positioning protrusion is arranged on the upper end face of the third positioning block, a central hole of the positioning protrusion penetrates through the third positioning block, the length of the positioning protrusion is smaller than the length of a positioning groove of the stator unit, but the width of the positioning protrusion is equal to that of the positioning groove, a second positioning groove is formed in the side wall of the bottom plate, which is located on one side of the opening of the first positioning groove, in an inward extending mode, the width of the second positioning groove is the same as that of the second positioning block, and after the third positioning block is inserted into the second positioning groove, the symmetrical plane of the positioning protrusion in the long axis direction is overlapped with the symmetrical plane of the first positioning groove;
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.
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 connecting shaft is positioned on the rod body at the lower part of the connecting rod and is sleeved with a spring, and two ends of the spring respectively elastically abut against the connecting rod and the second positioning block.
Furthermore, the connecting shaft is matched with a through hole at one end of the connecting rod through a conical surface.
Further, the connecting rod rotates to be parallel to the reference seat and then is fixed with the reference seat through a bolt.
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, the connecting rod rotates to be attached to the step surface of the positioning step, the second positioning block is lifted up through the handle, so that the second positioning block is prevented from colliding with the stator monomer, the second positioning block is rotated again, the second positioning block is lowered, the positioning insertion part is inserted into the inner cavity of the stator monomer, two V-shaped side walls of the positioning insertion part are attached to two straight edges of a waist-shaped hole in the section of the end part of the stator monomer, so that the second positioning block and the stator monomer are positioned, then the connecting shaft and the second positioning block are driven by the handle to rotate until the first collision block abuts against the second collision block, so that the molded surface of the inner cavity of the stator monomer is positioned, and finally, the clamping block and the first positioning block are arranged in a mode that the notches are opposite to each other and are fastened; after the fixing, the connecting rod can be rotated to be parallel to the reference seat, so that the interference with a cutter is avoided;
(2) the clamping process comprises the following steps that firstly, a third positioning block is inserted into a second positioning groove, the symmetrical surface of the long axis direction of the positioning protrusion coincides with the symmetrical surface of a first positioning groove, the positioning between the third positioning block and a bottom plate and between the third positioning block and a first positioning block is realized, secondly, the positioning between the third positioning block and a stator monomer or between the third positioning block and the inner cavity profile of the stator monomer is realized through the matching of the positioning protrusion of the third positioning block and the positioning groove of the stator monomer, 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 abutted against the two side walls of the V-shaped structure of the first positioning groove, the positioning of the cylindrical side surface of the stator monomer is realized, and finally, a clamping block and the first positioning block are arranged in a mode that the notches are opposite and are fastened through a locking part, the stator monomer is fixed.
The utility model discloses an anchor clamps can realize stator monomer quick location, clamping, 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 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 front view structural schematic diagram of the second positioning block, the connecting rod, the connecting shaft and the handle in the embodiment.
Fig. 3 is a schematic structural diagram of the third positioning block and the bottom plate in the embodiment.
Fig. 4 is a schematic structural diagram of a stator unit (positioning groove is formed by machining) and a stator unit (positioning groove is not machined).
Fig. 5 is a schematic structural diagram of a second positioning block and a third positioning block in the embodiment.
Detailed Description
As shown in fig. 1 to 5, a fixture for a stator unit of an all-metal tapered screw pump includes a base plate 1, a shape positioning mechanism, a first inner cavity profile positioning mechanism, a second 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 attached to and fixedly connected with a reference seat 4, the reference seat 4 is fixed on the bottom plate 1, the first positioning block 2 is provided with a first positioning groove 21 which extends vertically and is provided with a horizontally oriented opening, and the first positioning groove 21 is of a V-shaped structure;
the first inner cavity profile positioning mechanism comprises a second positioning block 3, a connecting rod 5, a connecting shaft 62 and a handle 61, a positioning insertion part 31 of a V-shaped structure is arranged at the lower part of the second positioning block 3, the width b (a is the length of a waist-shaped hole 81) of the waist-shaped hole 81 of the end section of the stator monomer 8 is positioned between the lower end width c and the upper end width d of the insertion part, the connecting shaft 62 is installed at the top of the second positioning block 3, the connecting shaft 62 penetrates through one end of the connecting rod 5 and then is connected with the handle 61, a first collision block 65 is installed on the rod body of the connecting shaft 62 positioned at the upper part of the connecting rod 5, a second collision block 64 is installed at the upper end face of the connecting rod 5, the other end of the connecting rod 5 is rotatably installed at the top of the reference seat 4 through a rotating shaft 51, a positioning step 41 is arranged at the top of the reference seat 4, when the connecting shaft 62 rotates until the first collision block 65 abuts against the second collision When the device is used, the symmetrical surface of the positioning insertion part 31 is superposed with the symmetrical surface of the first positioning groove 21, the connecting rod 5 is fixed with the reference seat 4 through a bolt after rotating to be parallel to the reference seat 4, and 42 is a threaded hole formed in the top of the reference seat 4;
the second inner cavity molded surface positioning mechanism comprises a third positioning block 9, a waist-shaped and annular positioning protrusion 91 is arranged on the upper end surface of the third positioning block 9, a central hole of the positioning protrusion 91 penetrates through the third positioning block 9, the length e of the positioning protrusion 91 is smaller than the length h of a positioning groove 82 of the stator unit 8, but the widths f and g of the positioning protrusion and the positioning groove are equal, a second positioning groove 11 is formed in the side wall of the bottom plate 1, which is positioned on one side of the opening of the first positioning groove 21, in an inward extending manner, the width of the second positioning groove 11 is the same as that of the second positioning block 3, and after the third positioning block 9 is inserted into the second positioning groove 11, the symmetrical surface of the positioning protrusion 91 in the long axis direction is superposed with the;
the fixing mechanism comprises a clamping block 7 and a locking piece, the clamping block 7 is provided with a press fitting groove 71 which extends vertically and has an opening in the horizontal direction, the press fitting groove 71 is of a V-shaped structure, and the clamping block 7 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 8.
The connecting shaft 62 is sleeved with a spring 63 on the rod body at the lower part of the connecting rod 5, two ends of the spring 63 respectively and elastically abut against the connecting rod 5 and the second positioning block 3, and in the process that the second positioning block rotates along with the handle and the connecting shaft, the two V-shaped side walls of the positioning insertion part are always attached to two straight edges of the waist-shaped hole in the section of the end part of the stator monomer through the elastic action of the spring.
The lower part of the connecting shaft 62 is matched with the lower part of the through hole at one end of the connecting rod 5 through a conical surface, and the second positioning block is effectively positioned through centering of the connecting shaft.
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 91 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 has high positioning accuracy requirement and high processing cost.
Claims (6)
1. The utility model provides an all-metal tapered screw pump's free anchor clamps of stator, its includes the bottom plate, its characterized in that: the fixture further comprises a shape positioning mechanism, a first inner cavity profile positioning mechanism, a second inner cavity profile positioning mechanism and a fixing mechanism;
the appearance positioning mechanism comprises a first positioning block, the first positioning block is attached to and fixedly connected with a reference seat, the reference seat is fixed on the bottom plate, the first positioning block is provided with a first positioning groove which extends vertically and is provided with a horizontally-oriented opening, and the first positioning groove is of a V-shaped structure;
the first inner cavity profile positioning mechanism comprises a second positioning block, a connecting rod, a connecting shaft and a handle, a positioning insertion part with a V-shaped structure is arranged at the lower part of the second positioning block, the width of a waist-shaped hole in the end section of a stator monomer is positioned between the width of the lower end and the width of the upper end of the insertion part, the top of the second positioning block is provided with the connecting shaft, the connecting shaft penetrates through one end of the connecting rod and then is connected with the handle, the connecting shaft is positioned on a rod body at the upper part of the connecting rod and is provided with a first collision block, the upper end surface of the connecting rod is provided with a second collision block, the other end of the connecting rod is rotatably arranged at the top of the reference seat through a rotating shaft, the top of the reference seat is provided with a positioning step, when the connecting shaft rotates until the first collision block abuts against the second collision block and, the symmetrical surface of the positioning insertion part is superposed with the symmetrical surface of the first positioning groove;
the second inner cavity profile positioning mechanism comprises a third positioning block, a waist-shaped and annular positioning protrusion is arranged on the upper end face of the third positioning block, a central hole of the positioning protrusion penetrates through the third positioning block, the length of the positioning protrusion is smaller than the length of a positioning groove of the stator unit, but the width of the positioning protrusion is equal to that of the positioning groove, a second positioning groove is formed in the side wall of the bottom plate, which is located on one side of the opening of the first positioning groove, in an inward extending mode, the width of the second positioning groove is the same as that of the second positioning block, and after the third positioning block is inserted into the second positioning groove, the symmetrical plane of the positioning protrusion in the long axis direction is overlapped with the symmetrical plane of the first positioning groove;
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 fixture 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.
3. The fixture 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.
4. The fixture for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the connecting shaft is positioned on the rod body at the lower part of the connecting rod and is sleeved with a spring, and two ends of the spring respectively elastically abut against the connecting rod and the second positioning block.
5. The fixture for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the connecting shaft is matched with the through hole at one end of the connecting rod through a conical surface.
6. The fixture for the stator unit of the all-metal tapered screw pump according to claim 1, wherein: the connecting rod rotates to be parallel to the reference seat and then is fixed with the reference seat through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360622.XU CN211387730U (en) | 2019-08-21 | 2019-08-21 | Single stator clamp of all-metal conical screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360622.XU CN211387730U (en) | 2019-08-21 | 2019-08-21 | Single stator clamp of all-metal conical screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387730U true CN211387730U (en) | 2020-09-01 |
Family
ID=72230356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921360622.XU Active CN211387730U (en) | 2019-08-21 | 2019-08-21 | Single stator clamp of all-metal conical screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211387730U (en) |
-
2019
- 2019-08-21 CN CN201921360622.XU patent/CN211387730U/en active Active
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