CN218081512U - Tool structure for screw pump stator - Google Patents

Tool structure for screw pump stator Download PDF

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Publication number
CN218081512U
CN218081512U CN202221683653.0U CN202221683653U CN218081512U CN 218081512 U CN218081512 U CN 218081512U CN 202221683653 U CN202221683653 U CN 202221683653U CN 218081512 U CN218081512 U CN 218081512U
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China
Prior art keywords
positioning
screw pump
pump stator
blank
positioning block
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CN202221683653.0U
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Chinese (zh)
Inventor
蒯海东
孙高越
周世杰
孙欣
王享
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Wuxi Hengxin Beishi Technology Co Ltd
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Wuxi Hengxin Beishi Technology Co Ltd
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Abstract

The utility model relates to a frock structure for screw pump stator, the frock structure include workstation and slidable ground set up in the regulating plate of workstation set up actuating mechanism on the regulating plate, first graduated disk rotationally set up in actuating mechanism last two at least positioning mechanism of still connecting through first mount pad of actuating mechanism. Through setting up actuating mechanism, positioning mechanism and location reference block for screw pump stator blank no longer need grind out the overall length at every turn processing, actuating mechanism's setting can overturn the blank fast, is convenient for process the blank other end, and a blank can be accomplished both ends and inner chamber processing promptly, no longer needs the manual work to change the direction, and then has solved the error that artifical upset switching-over clamping produced, has guaranteed the machining precision.

Description

Tool structure for screw pump stator
Technical Field
The utility model relates to a machining equipment technical field especially relates to a frock structure for screw pump stator.
Background
The screw pump stator is the important component part in the screw pump structure, current screw pump stator is owing to need process its hole with the mode of spiral in its hole, traditional processing mode is that the total length that needs the screw pump stator of treating processing is ground well earlier, then it processes to its zhong zhou shi from the both ends of screw pump stator after grasping the screw pump stator, traditional anchor clamps can only follow the one end of screw pump stator after with screw pump stator centre gripping and inwards screw processing, detach the screw pump stator from the frock after processing certain degree of depth, turn over 180 after to the certain degree of processing the screw pump stator other end certain degree of depth, the screw pump stator that this kind of processing mode and equipment processed easily goes wrong as follows:
and (I) after the screw pump stator is overturned each time, the clamping is easy to generate errors, so that the machining precision cannot be ensured.
And (II) the screw pump stator can be processed by one at each time, so that the processing efficiency is low, time and labor are wasted, and the production progress of an enterprise is seriously influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a tooling structure for a screw pump stator to solve one or more problems in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a frock structure for screw pump stator, frock structure include the workstation and set up in slidable in the regulating plate of workstation set up actuating mechanism on the regulating plate, first graduated disk rotationally set up in actuating mechanism still connect two at least positioning mechanism through first mount pad on the actuating mechanism.
Furthermore, the positioning mechanism is arranged on the first mounting seat along a first direction, and the central axis of the positioning mechanism is perpendicular to the axis of the workbench along the first direction.
Furthermore, the positioning mechanism is arranged on the first mounting seat along a second direction, and the second direction enables the central axis of the positioning mechanism to be parallel to the axis of the workbench.
Further, the positioning mechanism comprises a first positioning block and a second positioning block connected with the first positioning block; wherein
Furthermore, a first opening is formed in the first positioning block body, and first holes are formed in the first positioning block body at two ends of the first opening respectively;
furthermore, a second opening is formed in the second positioning block body, and second holes are formed in the second positioning block body at two ends of the second opening.
Further, the first opening is provided with a second surface and a first surface connected with two ends of the second surface, and the first surface is inclined relative to the second surface.
Further, the second opening has an arc surface.
Further, the driving mechanism comprises a power source and a first shaft connected with the power source, the first shaft penetrates through a screw rod and is connected with a first bearing seat through a first bearing, the screw rod is provided with a threaded portion, the screw rod is meshed with a plurality of protruding portions arranged on the outer side of the rotary drum through the threaded portion, a second shaft connected with the first dividing disc is further arranged in the center of the rotary drum, the second shaft is used as the center, and a plurality of positioning shafts connected with the first dividing disc are further uniformly distributed on the rotary drum.
Furthermore, the tooling structure further comprises a driven mechanism, the driven mechanism comprises a second bearing seat and a second bearing connected with the second bearing seat, the second bearing is connected with a second dividing plate through a third shaft, the second dividing plate is fixedly connected with a second mounting seat, and a connecting seat for supporting the positioning mechanism is further connected between the second mounting seat and the first mounting seat.
Further, the tooling structure further comprises an adjusting plate, the adjusting plate is fixedly connected with the workbench, and the second bearing seat is movably arranged on the adjusting plate through a sliding mechanism; the sliding mechanism comprises a sliding block and an adjusting groove matched with one part of the sliding block, the adjusting groove is formed in the adjusting plate, and the other part of the sliding block is connected with the second bearing seat.
Further, the tool structure further comprises a positioning reference block, the positioning reference block is detachably connected with the positioning mechanism, and a positioning groove is formed in the positioning reference block.
Correspondingly, the utility model also provides an utilize above-mentioned a processing method for frock structure for screw pump stator, including the step as follows
Receiving a blank;
clamping and fixing a blank and a positioning mechanism, and installing a positioning block on any one positioning mechanism to enable a first surface of the blank to face a positioning groove of the positioning mechanism;
straightening along the axial direction of the blank by using a dial indicator;
disassembling the positioning block;
positioning a center point of the blank;
processing a first connecting part on a first surface of the blank;
processing an inner cavity of the blank to a first depth according to a first inner diameter, wherein the first depth accounts for 1/3-1/2 of the total length of the blank;
turning over the blank, and processing a second connecting part on a second surface of the blank;
and processing the blank inner cavity to a second depth according to the first inner diameter, so that the sizes of the blank inner cavities are all the first inner diameter.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
the screw pump stator blank machining device has the advantages that the driving mechanism, the positioning mechanism and the positioning reference block are arranged, so that the total length of the screw pump stator blank does not need to be ground any more during each machining, the blank can be quickly turned over by the driving mechanism, the other end of the blank is convenient to machine, two ends and an inner cavity of the blank can be machined by one blank, the direction does not need to be manually changed, errors caused by manual turning and reversing clamping are avoided, machining precision is guaranteed, and machining efficiency is further improved.
(two) further, through setting up the connecting seat to and through setting up the regulating plate, make that the follower is movably set up in the regulating plate, and then can make the interval between follower and the actuating mechanism adjustable, consequently the quantity of the positioning mechanism between follower and actuating mechanism can corresponding increase or reduce, and then possible multistation is processed, has promoted work efficiency greatly, and labour saving and time saving has effectively improved the production progress of enterprise.
And furthermore, the positioning reference block is arranged to ensure that the height reference of each processing of the blank is consistent, and when the width of the positioning groove in the positioning reference block is larger than the outer diameter of the blank, the positioning reference block can be repeatedly used without remanufacturing the positioning reference block for the blank with each size, so that the investment cost of an enterprise is effectively saved.
Drawings
Fig. 1 shows a schematic diagram of a tooling structure in a tooling structure for a screw pump stator according to an embodiment of the present invention.
Fig. 2 shows a schematic structural diagram of a driving mechanism in a tooling structure for a screw pump stator according to an embodiment of the present invention.
Fig. 3 shows a schematic diagram of a tooling structure in a tooling structure for a screw pump stator according to another embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of a driven mechanism in a tooling structure for a screw pump stator according to a second embodiment of the present invention.
Fig. 5 shows an enlarged schematic structural diagram at a point a in a tooling structure for a screw pump stator according to another embodiment of the present invention.
Fig. 6 shows a schematic diagram of the position relationship between the central axis of the positioning mechanism and the X-axis of the workbench in the tooling structure for a screw pump stator according to an embodiment of the present invention.
Fig. 7 shows a schematic diagram of the position relationship between the central axis of the positioning mechanism and the X-axis of the worktable in the tooling structure for a screw pump stator according to a second embodiment of the present invention.
Fig. 8 shows a schematic structural diagram of a screw pump stator in a tooling structure for a screw pump stator according to an embodiment of the present invention.
Fig. 9 shows a schematic diagram of a position relationship between a central axis of a positioning mechanism and a Y-axis of a workbench in a tooling structure for a screw pump stator according to an embodiment of the present invention.
In the drawings, the reference numbers: 1. a work table; 2. a first adjusting plate; 200. a first hole; 3. a drive mechanism; 300. a power source; 301. a first shaft; 302. a screw; 3020. a threaded portion; 303. a first bearing housing; 304. a first bearing; 305. a rotating drum; 3050. a projection; 306. a second shaft; 3051. positioning the shaft; 4. a first index plate; 5. a first mounting seat; 6. a first positioning block; 600. a first positioning block body; 601. a first opening; 6010. a first side; 6011. a second face; 602. a second hole; 7. a second positioning block; 700. a second positioning block body; 701. a third aperture; 702. a second opening; 8. a first support plate; 9. a connecting seat; 10. a second support plate; 11. a second mounting seat; 12. a second index dial; 13. a driven mechanism; 1300. a third axis; 1301. a second bearing; 1302. a second bearing housing; 14. a second adjusting plate; 1400. an adjustment groove; 15. a slider; 16. positioning a reference block; 1600. positioning a groove; 17. a screw pump stator; 1700. a boss; 1701. a groove; 1702. an inner cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description of the present invention with reference to the accompanying drawings and the detailed description provides a further detailed description of a tooling structure for a screw pump stator. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
The first embodiment is as follows:
referring to fig. 1, the tooling structure for a screw stator according to embodiment 1 includes a workbench 1 and a first adjusting plate 2 slidably disposed on the workbench 1, a driving mechanism 3 is disposed on the first adjusting plate 2, a first index plate 4 is rotatably disposed on the driving mechanism 3, and the driving mechanism 3 is further connected to at least two positioning mechanisms through a first mounting base 5.
Referring to fig. 1, a plurality of mounting holes 200 are respectively formed in the first adjusting plate 2, the first adjusting plate 2 can be fixed to the workbench 1 through fasteners and the mounting holes 200, and after the fasteners are removed, the first adjusting plate 2 can slide relative to the workbench 1, so as to change the position of the driving mechanism 3 relative to the workbench 1.
Further, referring to fig. 1 and 6, the positioning mechanism is disposed on the first mounting seat 5 along a first direction, and the first direction makes a central axis of the positioning mechanism perpendicular to an axis of the workbench 1, specifically, the first direction means that the positioning mechanism is disposed along a vertical direction. The axis of the workbench 1 specifically refers to the axis of the workbench 1 along the X direction, as shown in fig. 1.
The specific structure of the positioning mechanism is described in detail below as follows:
referring to fig. 1, 2, 4, 5 and 6, the positioning mechanism includes a first positioning block 6 and a second positioning block 7 connected to the first positioning block 6. Wherein
The first positioning block 6 includes a first positioning block body 600, a first opening 601 is formed in the first positioning block body 600, first holes 602 are further formed in the first positioning block body 600 at two ends of the first opening 601, the first holes 602 are used for being connected with the second positioning block 7, specifically, the first opening 601 has a second surface 6011 and a first surface 6010 connected with two ends of the second surface 6011, and the first surface 6010 is inclined with respect to the second surface 6011.
Further, with continued reference to fig. 1, fig. 2, fig. 4, fig. 5, and fig. 6, the second positioning block 7 includes a second positioning block body 700, a second opening 702 is formed on the second positioning block body 700, and the second opening 702 has an arc surface. The cambered surface is convenient for contact with the outside of blank, and then bigger to the area of contact in the blank outside, and the centre gripping is more firm, can not cause the harm to the surface of blank simultaneously.
Second holes 701 are further respectively formed in the second positioning block body 700 at two ends of the second opening 702, and the second holes 701 are used for aligning with the mounting holes 200 and fixedly connecting the first positioning block 6 and the second positioning block 7 through fasteners, so that a clamping space capable of clamping a screw pump stator is formed between the first positioning block 6 and the second positioning block 7.
Correspondingly, in the utility model discloses in other embodiments, first locating piece 6 also can exchange the position with second locating piece 7, by second locating piece 7 is connected with first mount pad 5, is connected with second locating piece 7 by first locating piece 6 again. Alternatively, in other embodiments of the present invention, the first positioning block 6 and the second positioning block 7 may have the same structure, which is only required to clamp the screw pump stator, and the present invention is not limited thereto.
Further, referring to fig. 2, the driving mechanism 3 includes a power source 300 and a first shaft 301 connected to the power source 300, the power source 300 is specifically a motor, an output end of the motor is connected to the first shaft 301 through a coupling, the first shaft 301 penetrates through a screw 302 and is connected to a first bearing seat 303 through a first bearing 304, the screw 302 has a threaded portion 3020, the screw 302 is engaged with a plurality of protruding portions 3050 disposed outside the drum 305 through the threaded portion 3020, the protruding portions 3050 are uniformly distributed around an axial center of the drum 305, a second shaft 306 connected to the first index plate 4 is further disposed at a center of the drum 305, the second shaft 306 extends axially from one side of the drum 305, the second shaft 306 is centered, and a plurality of positioning shafts 3051 connected to the first index plate 4 are further uniformly distributed on the drum 305. In order to connect the first indexing disk 4 to the drum 305, a central hole that can be connected to the second shaft 306 and a positioning hole that can be connected to the positioning shaft 3051 are also formed in the first indexing disk 4 (not shown in the drawing due to the view).
Further, referring to fig. 1, the tooling structure further includes a positioning reference block 16, the positioning reference block 16 is detachably connected to the positioning mechanism, a positioning groove 1600 is formed on the positioning reference block 16, and the groove width of the positioning groove 1600 is slightly larger than the outer diameter of the blank of the screw pump stator 17.
Correspondingly, the utility model discloses a concrete course of working as follows:
blank retrieval, a blank of the screw pump stator 17 is retrieved from a magazine, wherein the blank has not machined the boss 1700, the groove 1701, and the cavity 1702.
The first shaft 301 is driven by the power source 300 to drive the screw 302 to rotate, the thread portion 3020 on the screw 302 correspondingly rotates and drives the rotating drum 305 to rotate, and since the axis of the rotating drum 305 is connected with the first dividing disk 4 through the second shaft 306, and the first dividing disk 4 is connected with the first mounting base 5, the positioning mechanism can be driven to overturn. Referring to fig. 1, the positioning mechanism is turned over, referring to fig. 9, after the positioning mechanism is turned over, the central axis of the positioning mechanism is parallel to the axis of the workbench 1 in the Y direction, the fastener between the first positioning block 6 and the second positioning block 7 is loosened, so that the clamping space between the first positioning block 6 and the second positioning block 7 is enlarged, and at the moment, the screw pump stator 17 is installed in the clamping space along the vertical direction.
Furthermore, in order to ensure that the height reference of each screw pump stator 17 is consistent, a positioning reference block 16 needs to be installed on any positioning mechanism, the positioning reference block 16 is fixed on the outer side of the first positioning block 6 through a fastener, a positioning groove 1600 is arranged in the first positioning block 6, the groove width of the positioning groove 1600 is slightly larger than the outer diameter of the blank of the screw pump stator 17, so that one end of the screw pump stator 17 can be abutted against the positioning groove 1600 after being installed, and the height of the positioning reference block 16 is fixed, so that the same installation height can be ensured when the screw pump stator 17 is installed each time. After the positioning is finished, the fasteners between the first positioning blocks 6 and the second positioning blocks 7 are locked, so that the screw pump stator 17 is clamped in each positioning mechanism.
And straightening along the axial direction of the blank by using a lever dial indicator, and ensuring that the parallelism is 0-0.03 mm.
And releasing the fastener of the positioning reference block 16 to remove the positioning reference block 16 from the first positioning block 6.
The center point of the screw pump stator 17 blank is positioned by the quartering method, and the axis of the blank is confirmed.
Referring to fig. 8, the tool is operated by the command of the nc machining center to execute a machining command, and a first connection portion of the first surface of the blank of the screw pump stator 17 is first machined, i.e. the boss 1700, which is rough machined.
Referring to fig. 1 and 8, the tool is operated by the command of the nc machining center to execute a machining command, so that the tool continuously machines the inner cavity 1702 of the blank in the circumferential direction, and machines the inner cavity of the blank of the screw pump stator 17 to a first depth, which is 1/3 to 1/2 of the total length of the blank, specifically, in the first embodiment, the total length of the screw pump stator 17 is 288mm, so that the inner cavity may be machined to a depth of 144mm according to the first inner diameter, after the inner cavity of the depth is machined, the tool axially extends out of the interior of the blank, and then the boss 1700 on the first side of the blank is machined once again, and the machining is a finish machining.
With continued reference to fig. 1 and 8, the positioning mechanism is again turned 180 ° so that the end of the blank remote from the first connection portion faces upwards, and a second connection portion, namely a groove 1701, is first machined into the second surface of the blank of the screw pump stator 17, which is also rough machined.
With reference to fig. 1 and 8, the blank of the screw pump stator 17 is processed to a second depth with the first inner diameter according to the method in step S7, that is, the cavity 1702 without the deep processing is processed, specifically, a residual depth of 144mm is processed with the first inner diameter from the second surface of the blank, and of course, in order to ensure that the cavities at the two ends can be smoothly connected, the depth may be 2-3 mm more, so as to ensure that the sizes of the cavities of the blank of the screw pump stator 17 are the first inner diameter.
Example two:
the second embodiment has the same structure as most of the first embodiment, except that the first embodiment is a single-station structure which can only clamp the blank of a screw pump stator 17, and the second embodiment can be double stations or more than double stations, specifically, the tool structure of the second embodiment is different as follows:
referring to fig. 3 and 7, the positioning mechanism is disposed on the first mounting base 5 along a second direction, and the second direction makes a central axis of the positioning mechanism parallel to a central axis of the worktable 1. Specifically, the second direction means that the positioning mechanism is arranged in the horizontal direction, and the axis of the table 1 means the axis of the workpiece in the Y direction, as shown in fig. 7.
Further, referring to fig. 3, the tooling structure further includes a driven mechanism 13, the driven mechanism 13 includes a second bearing seat 1302 and a second bearing 1301 connected to the second bearing seat 1302, the second bearing 1301 is connected to a second dividing plate 12 through a third shaft 1300, the second dividing plate 12 is fixedly connected to the second mounting seat 11, and a connecting seat 9 for supporting the positioning mechanism is further connected between the second mounting seat 11 and the first mounting seat 5. In order to ensure the stability of the connection holder 9, a first support plate 8 is fixed on the outer side of the first installation holder 5, a second support plate 10 is fixed on the outer side of the second installation holder 11, and two ends of the connection holder 9 are respectively fixed with the first support plate 8 and the second support plate 10.
Further, referring to fig. 3, the tooling structure further includes a second adjusting plate 14, the second adjusting plate 14 is fixedly connected to the worktable 1, and the second bearing seat 1302 is movably disposed on the second adjusting plate 14 through a sliding mechanism. When the number of the positioning mechanisms between the driven mechanism 13 and the driving mechanism 3 is increased, the length of the connecting seat 9 is correspondingly increased, so that the driven mechanism 13 needs to be adjusted relative to the workbench 1, and the distance between the driven mechanism 13 and the driving mechanism 3 can be increased or reduced.
Further, referring to fig. 5, the sliding mechanism includes a sliding block 15 and an adjusting slot 1400 engaged with a portion of the sliding block 15, the adjusting slot 1400 is opened on the second adjusting plate 14, and another portion of the sliding block 15 is connected to the second bearing seat 1302. The second bearing housing 1302 is movable relative to the second adjustment plate 14 by the slider 15.
Embodiment two the course of working of processing screw pump stator 17 of frock structure is the same with embodiment one, please refer to fig. 3, and the difference is that screw pump stator processes along work piece platform Y direction axis in embodiment two, and screw pump stator processes along vertical direction in embodiment one, and both directions of feed processing are different, the utility model discloses do not describe in further detail. In other embodiments of the present invention, any direction other than the above direction may be used, and the processing is only required to be satisfied, which is not described in detail herein.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a frock structure for screw pump stator which characterized in that: the tooling structure comprises a workbench and an adjusting plate arranged on the workbench in a sliding manner, wherein a driving mechanism is arranged on the adjusting plate, a first indexing disc is rotatably arranged on the driving mechanism, and the driving mechanism is further connected with at least two positioning mechanisms through a first mounting seat.
2. The tooling structure for the screw pump stator of claim 1, wherein: the positioning mechanism is arranged on the first mounting seat along a first direction, and the central axis of the positioning mechanism is perpendicular to the axis of the workbench along the first direction.
3. The tooling structure for the screw pump stator of claim 1, wherein: the positioning mechanism is arranged on the first mounting seat along a second direction, and the second direction enables the central axis of the positioning mechanism to be parallel to the axis of the workbench.
4. The tooling structure for the screw pump stator of claim 1, wherein: the positioning mechanism comprises a first positioning block and a second positioning block connected with the first positioning block; wherein
The first positioning block comprises a first positioning block body, a first opening is formed in the first positioning block body, and first holes are formed in the first positioning block body at two ends of the first opening respectively;
the second positioning block comprises a second positioning block body, a second opening is formed in the second positioning block body, and second holes are formed in the second positioning block body at two ends of the second opening respectively.
5. The tooling structure for the screw pump stator of claim 4, wherein: the first opening is provided with a second surface and a first surface connected with two ends of the second surface, and the first surface is inclined relative to the second surface.
6. The tooling structure for the screw pump stator of claim 4, wherein: the second opening has an arcuate surface.
7. The tooling structure for the screw pump stator of claim 1, wherein: the driving mechanism comprises a power source and a first shaft connected with the power source, the first shaft penetrates through a screw rod and is connected with a first bearing seat through a first bearing, the screw rod is provided with a threaded portion, the screw rod is meshed with a plurality of protruding portions arranged on the outer side of the rotary drum through the threaded portion, a second shaft connected with the first dividing disc is further arranged in the center of the rotary drum, the second shaft is used as the center, and a plurality of positioning shafts connected with the first dividing disc are further uniformly distributed on the rotary drum.
8. The tooling structure for the screw pump stator of claim 7, wherein: the tool structure further comprises a driven mechanism, the driven mechanism comprises a second bearing seat and a second bearing connected with the second bearing seat, the second bearing is connected with a second dividing plate through a third shaft, the second dividing plate is fixedly connected with a second mounting seat, and a connecting seat used for supporting the positioning mechanism is further connected between the second mounting seat and the first mounting seat.
9. The tooling structure for the screw pump stator of claim 8, wherein: the tool structure further comprises an adjusting plate, the adjusting plate is fixedly connected with the workbench, and the second bearing seat is movably arranged on the adjusting plate through a sliding mechanism; the sliding mechanism comprises a sliding block and an adjusting groove matched with one part of the sliding block, the adjusting groove is formed in the adjusting plate, and the other part of the sliding block is connected with the second bearing seat.
10. The tooling structure for the screw pump stator of claim 1, wherein: the tool structure further comprises a positioning reference block, the positioning reference block is detachably connected with the positioning mechanism, and a positioning groove is formed in the positioning reference block.
CN202221683653.0U 2022-07-02 2022-07-02 Tool structure for screw pump stator Active CN218081512U (en)

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Application Number Priority Date Filing Date Title
CN202221683653.0U CN218081512U (en) 2022-07-02 2022-07-02 Tool structure for screw pump stator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221683653.0U CN218081512U (en) 2022-07-02 2022-07-02 Tool structure for screw pump stator

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Publication Number Publication Date
CN218081512U true CN218081512U (en) 2022-12-20

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CN202221683653.0U Active CN218081512U (en) 2022-07-02 2022-07-02 Tool structure for screw pump stator

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091232A (en) * 2022-07-02 2022-09-23 无锡恒信北石科技有限公司 Tool structure for screw pump stator and machining method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115091232A (en) * 2022-07-02 2022-09-23 无锡恒信北石科技有限公司 Tool structure for screw pump stator and machining method

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