CN209850216U - Impeller location tailor-welding frock - Google Patents
Impeller location tailor-welding frock Download PDFInfo
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- CN209850216U CN209850216U CN201920354708.5U CN201920354708U CN209850216U CN 209850216 U CN209850216 U CN 209850216U CN 201920354708 U CN201920354708 U CN 201920354708U CN 209850216 U CN209850216 U CN 209850216U
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Abstract
The utility model relates to a machining makes the field, concretely relates to impeller location tailor-welding frock, its characterized in that: the bottom plate, the bottom plate center is equipped with the main shaft, the cover is equipped with the first positioning disk that is used for fixing a position the base on the main shaft, a second positioning disk for fixing a position the reinforcing ring, a second locating plate for fixing a position the first locating plate of circular cone pipe and be used for fixing a position the pipe, the reinforcing ring supports through the cushion of placing on the base, be equipped with the third positioning disk on the bottom plate, be equipped with first locating piece on the third positioning disk, be equipped with the second locating piece on the first positioning disk, first locating piece is through fixing a position the blade with the second locating piece, be equipped with the first voussoir mechanism that is used for chucking second positioning disk on the main shaft, a second voussoir mechanism for chucking first locating plate and second locating plate. The utility model has the advantages of simple and practical overall structure, can improve the whole concatenation efficiency of impeller, positioning accuracy is high, the error is little, reduces the eccentric quantity, ensures the stationarity of impeller when moving.
Description
Technical Field
The utility model relates to a machining makes the field, specificly relates to an impeller location tailor-welding frock.
Background
The impeller is usually installed on the shaft head at the upper end of a main shaft assembly, a button pitch is transmitted by a conical sleeve and a key in a connecting mode, the impeller rotates at a high speed, the impeller is a key element of the vertical impact crusher, materials enter the center of the impeller from a central feeding pipe of a distributor on the impeller, the materials are uniformly distributed to each emission flow channel of the impeller by a distribution cone in the center of the impeller, a wear-resistant block made of special materials is installed at the outlet of each emission flow channel and can be replaced, and the impeller accelerates the materials to 60-75 m/s to be thrown out.
The impeller can rotate at a high speed when in work, when the blades are spliced and welded, the blades can be deviated, if the eccentric amount is smaller, the operation is more stable, a plurality of blades are generally required to be welded on the impeller, each blade is required to be positioned independently, the positioning of the blades on the original impeller is positioned by drawing lines, the positioning precision is low, the manufacturing error is about 2mm, the equal division and the control of the internal and external sizes cannot be guaranteed, the eccentric amount of the impeller is large, the operation is not stable, the dynamic balance of the impeller needs to be performed in more time, the overall quality of the manufactured impeller is poor, and in addition, the positioning speed of the blades is low, so that the overall splicing and welding efficiency of the impeller is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an overall structure is simple, practical, can improve the whole concatenation efficiency of impeller, and positioning accuracy is high, the error is little, reduces the eccentric quantity, ensures an impeller location tailor-welding frock of the stationarity of impeller when moving.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides an impeller location tailor-welding frock, comprising a base plate, bottom plate center detachable is equipped with the main shaft, detachable cover is equipped with the first positioning disk that is used for fixing a position the impeller base on the main shaft, a second positioning disk for fixing a position the impeller reinforcing ring, a second locating plate for fixing a position the first locating plate of impeller circular cone pipe and be used for fixing a position the impeller pipe, the reinforcing ring supports through placing a plurality of cushions on the base, be equipped with the third positioning disk on the bottom plate, be equipped with a plurality of first locating pieces on the third positioning disk, be equipped with the second locating piece unanimous with first locating piece quantity on the first positioning disk, first locating piece is fixed a position the impeller blade through the cooperation with corresponding second locating piece, still be equipped with the first voussoir mechanism that is used for chucking second positioning disk on the main shaft, a second voussoir mechanism for chucking first locating plate and second locating plate.
Furthermore, the bottom plate is circular, the center of the upper end of the bottom plate is inwards sunken and is provided with a circular groove, the edge of the upper end of the bottom plate is inwards sunken and is provided with an annular groove, the third positioning plate is circular and is embedded in the annular groove, a first positioning key is further arranged between the third positioning plate and the annular groove, the lower end surface of the first positioning plate is outwards protruded and is provided with a first annular bump for positioning the base, the outer diameter of the first annular bump is matched with the inner diameter of the circular groove, the first annular bump can be embedded in the circular groove, a gap for accommodating the base is formed between the lower end surface of the first positioning plate and the upper end surface of the bottom plate, a second positioning key is further arranged between the first annular bump and the circular groove, the first positioning plate, the second positioning plate, the first positioning plate and the second positioning plate are circular, and the first positioning plate, the central axes of the second positioning plate, the third positioning plate, the first positioning plate and the second positioning plate are coincided with the central axis of the main shaft.
Furthermore, first voussoir mechanism includes first voussoir and sets up the first wedge notch on the main shaft, and detachable cover is equipped with the first sleeve pipe of placing on first positioning disk and being used for supporting the second positioning disk on the main shaft, first sleeve pipe and main shaft clearance fit, and first voussoir can insert and locate first wedge notch and chucking second positioning disk.
Furthermore, the inner edge of the upper end of the third positioning disk protrudes outwards and is provided with a first annular positioning lug, the upper end face of the third positioning disk is uniformly provided with first positioning grooves consistent with the number of the first positioning blocks along the circumferential direction of the main shaft, the lower end face of the first positioning block protrudes outwards and is provided with a first positioning lug matched with the first positioning grooves, and the first positioning lug can be matched with the first positioning grooves in an embedded mode.
Further, first locating piece is L type form, offers the positioning groove who is used for fixing a position the blade on the vertical short edge of first locating piece, and positioning groove is the right angle form, and the both sides on the horizontal long limit in first locating piece bottom are all fixed and are equipped with first installation piece, have seted up first slot hole on the first installation piece, can wear to be equipped with first bolt in the first slot hole and through first bolt with first locating piece fixed mounting on the third positioning disk.
Furthermore, the outer edge of the upper end of the first positioning disk protrudes outwards and is provided with a second annular bump, the outer edge of the upper end of the second annular bump protrudes outwards and is provided with a second annular positioning bump, the upper end face of the second annular bump is uniformly provided with second positioning grooves with the number consistent with that of the second positioning blocks along the circumferential direction of the main shaft, the lower end face of the second positioning block protrudes outwards and is provided with a second positioning bump matched with the second positioning grooves, and the second positioning bump can be matched with the second positioning grooves in an embedded mode.
Furthermore, the second locating piece is L type form, offers the location hypotenuse that is used for fixing a position the blade on the vertical short edge of second locating piece, and the both sides on the horizontal long limit in second locating piece bottom are all fixed and are equipped with the second installation piece, have seted up the second slot hole on the second installation piece, can wear to be equipped with the second bolt in the second slot hole and through second bolt with second locating piece fixed mounting on first positioning disk.
Further, the second wedge block mechanism comprises a second wedge block and a second wedge-shaped notch formed in the main shaft, a second sleeve which is placed on the first positioning disc and used for supporting the first positioning plate is detachably sleeved on the main shaft, a third sleeve which is placed on the first positioning plate is further detachably sleeved on the main shaft, the second sleeve and the third sleeve are in clearance fit with the main shaft, and the second wedge block can be inserted into the second wedge-shaped notch and tightly press the third sleeve to tightly clamp the first positioning plate.
Furthermore, a fourth sleeve which is placed on the first positioning plate and used for supporting the second positioning plate is detachably sleeved on the main shaft, the fourth sleeve is in clearance fit with the main shaft, and the second wedge block can be inserted into the second wedge-shaped notch and tightly clamps the second positioning plate.
According to the above description, the utility model provides a pair of impeller location tailor-welding frock overall structure is simple, and is practical, setting through first positioning disk, can play the positioning action to the base, setting through first locating plate, can play the positioning action to the circular cone pipe, setting through the second locating plate, can play the positioning action to the pipe, setting through the main shaft, can ensure base on the impeller after the tailor-welding, the axiality requirement of circular cone pipe and pipe, cooperation through first locating piece and second locating piece, can play the effect of quick location to the blade, positioning accuracy is high, the error is little, it is little to ensure the impeller eccentricity after the tailor-welding, thereby make the operation of impeller more steady, whole tailor-welding high quality.
Drawings
Fig. 1 is the utility model relates to a three-dimensional structure of impeller location tailor-welding frock decomposes the schematic diagram.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
Fig. 4 is a partially enlarged schematic view of C in fig. 1.
FIG. 5 is a schematic view of a base, a reinforcing ring, and a blade.
Fig. 6 is a schematic view of the internal structure of fig. 5.
Fig. 7 is a partially enlarged view of fig. 6 at D.
Fig. 8 is a schematic tailor-welded view of a conical tube.
FIG. 9 is a schematic view of a tailor-welded connection of round tubes.
Fig. 10 is a perspective view of the impeller.
In the figure: 1-an impeller; 11-a base; 111-a first via; 12-a reinforcement ring; 13-a conical tube; 14-round tube; 15-blades; 2-a bottom plate; 21-a circular groove; 22-an annular groove; 3-a main shaft; 41-a first positioning disk; 411 — first annular bump; 412-a second annular bump; 413-a second annular locating tab; 414-a second detent; 42-a second puck; 43-a third puck; 431-a first annular locating tab; 432-first detent; 51-a first positioning plate; 52-second positioning plate; 61-cushion block; 62-a first sleeve; 63-a second sleeve; 64-a third sleeve; 65-a fourth sleeve; 71-a first positioning block; 711-first positioning bump; 712-positioning grooves; 713-a first mounting block; 714-first slot; 715-a first bolt; 72-a second locating block; 721-second positioning bump; 722-positioning the bevel edge; 723-a second mounting block; 724-second elongated hole; 725-second bolt; 81-a first wedge mechanism; 811-first wedge; 812-a first wedge-shaped notch; 82-a second wedge mechanism; 821-a second wedge; 822-a second wedge-shaped notch; 91-first positioning key; 92-second orientation key.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1 to 10, the impeller positioning and welding tool of the present invention comprises a bottom plate 2, a main shaft 3 is detachably disposed in the center of the bottom plate 2, a first positioning plate 41 for positioning a base 11 of an impeller 1, a second positioning plate 42 for positioning a reinforcing ring 12 of the impeller 1, a first positioning plate 51 for positioning a conical pipe 13 of the impeller 1, and a second positioning plate 52 for positioning a circular pipe 14 of the impeller 1 are detachably sleeved on the main shaft 3, the reinforcing ring 12 is supported by a plurality of spacers 61 placed on the base 11, a third positioning plate 43 is disposed on the bottom plate 2, a plurality of first positioning blocks 71 are disposed on the third positioning plate 43, a plurality of second positioning blocks 72 corresponding to the first positioning blocks 71 are disposed on the first positioning plate 41, the first positioning blocks 71 position the blades 15 of the impeller 1 by matching with the corresponding second positioning blocks 72, the spindle 3 is further provided with a first wedge mechanism 81 for clamping the second positioning plate 42, and a second wedge mechanism 82 for clamping the first positioning plate 51 and the second positioning plate 52.
The center of the bottom plate 2 is provided with a threaded hole, the lower end of the main shaft 3 is fixedly provided with a boss matched with the threaded hole, the boss is provided with an external thread, and the main shaft 3 is in threaded connection with the threaded hole on the bottom plate 2 through the boss.
Through the setting of first locating disc 41, can be right base 11 plays the positioning action, through the setting of first locating plate 51, can be right circular cone pipe 13 plays the positioning action, through the setting of second locating plate 52, can be right pipe 14 plays the positioning action, through the setting of main shaft 3, can ensure after the tailor-welding impeller 1 is last base 11, circular cone pipe 13 and the axiality requirement of pipe 14, through the cooperation of first locating piece 71 with second locating piece 72, can be right blade 15 plays the effect of quick location, and positioning accuracy is high, and the error is little, ensures after the tailor-welding impeller 1 offset is little, thereby makes impeller 1's operation is more steady, and whole tailor-welding quality is high.
As shown in fig. 1 to 3, the bottom plate 2 is circular, the center of the upper end of the bottom plate 2 is recessed inward and forms a circular groove 21, the upper end edge of the bottom plate 2 is recessed inward and forms a circular groove 22, the third positioning plate 43 is circular and is embedded in the circular groove 22, a first positioning key 91 is further disposed between the third positioning plate 43 and the circular groove 22, the lower end surface of the first positioning plate 41 is raised outward and forms a first circular protrusion 411 for positioning the base 11, the outer diameter of the first circular protrusion 411 is adapted to the inner diameter of the circular groove 21, the outer diameter of the first circular protrusion 411 is adapted to the inner diameter of the first through hole 111 on the base 11, the first circular protrusion 411 can be embedded in the circular groove 21 and forms a gap for accommodating the base 11 between the lower end surface of the first positioning plate 41 and the upper end surface of the bottom plate 2, a second positioning key 92 is further arranged between the first annular protrusion 411 and the circular groove 21, the central axes of the first positioning plate 41, the second positioning plate 42, the first positioning plate 51 and the second positioning plate 52 are circular, the central axes of the first positioning plate 41, the second positioning plate 42, the third positioning plate 43, the first positioning plate 51 and the second positioning plate 52 are all overlapped with the central axis of the spindle 3, the outer diameter of the second positioning plate 42 is matched with the inner diameter of the reinforcing ring 12, the outer diameter of the first positioning plate 51 is matched with the inner diameter of the upper end of the conical pipe 13, and the outer diameter of the second positioning plate 52 is matched with the inner diameter of the circular pipe 14.
A first through groove is formed in the lower end surface of the third positioning plate 43, a first key groove matched with the first positioning key 91 is formed in the annular groove 22, the first positioning key 91 can be embedded in the first key groove and the first through groove, so that the third positioning plate 43 is positioned, the position accuracy of the first positioning block 71 is ensured, a second through groove is formed in the lower end surface of the first annular protrusion 411 of the first positioning plate 41, a second key groove matched with the second positioning key 92 is formed in the circular groove 21 of the bottom plate 2, and the second positioning key 92 can be embedded in the second key groove and the second through groove, so that the first positioning plate 41 is positioned, and the position accuracy of the second positioning block 72 is ensured.
A first inner hole is formed in the center of the first positioning plate 41, the inner diameter of the first inner hole is matched with the outer diameter of the spindle 3, a second inner hole is formed in the center of the second positioning plate 42, the inner diameter of the second inner hole is matched with the outer diameter of the spindle 3, a third inner hole is formed in the center of the first positioning plate 51, the inner diameter of the third inner hole is matched with the outer diameter of the spindle 3, a fourth inner hole is formed in the center of the second positioning plate 52, the inner diameter of the fourth inner hole is matched with the outer diameter of the spindle 3, a plurality of round holes are uniformly distributed on the second positioning plate 42 along the circumferential direction of the second positioning plate 42, a plurality of first fan-shaped notches are uniformly distributed on the first positioning plate 51 along the circumferential direction of the first positioning plate 51, a plurality of second fan-shaped notches are uniformly distributed on the second positioning plate 52 along the circumferential direction of the first positioning plate 51, therefore, the weight of the second positioning plate 42, the first positioning plate 51 and the second positioning plate 52 can be reduced, and the operation and the use are convenient.
As shown in fig. 4 to 6, the first wedge mechanism 81 includes a first wedge 811 and a first wedge notch 812 provided on the main shaft 3, the main shaft 3 is detachably sleeved with a first sleeve 62 placed on the first positioning plate 41 and used for supporting the second positioning plate 42, the first sleeve 62 is in clearance fit with the main shaft 3, the first wedge 811 can be inserted into the first wedge notch 812 and clamps the second positioning plate 42, by adopting this structure, the first wedge 811 can be quickly disassembled and assembled, and the use is simple and convenient, so that the second positioning plate 42 can be quickly clamped or loosened, and the overall assembling efficiency is improved.
As shown in fig. 3, the upper end of the third positioning plate 43 protrudes outward and is formed with first annular positioning protrusions 431, the upper end surface of the third positioning plate 43 is uniformly provided with first positioning grooves 432 corresponding to the number of the first positioning blocks 71 along the circumferential direction of the spindle 3, the lower end surface of the first positioning block 71 protrudes outward and is formed with first positioning protrusions 711 corresponding to the first positioning grooves 432, the first positioning protrusions 711 can be fitted with the first positioning grooves 432, and by adopting this structure, the equal division arrangement of the first positioning blocks 71 can be precisely controlled, so that the equal division arrangement of the impeller 1 can be controlled.
As shown in fig. 3, the first positioning block 71 is L-shaped, a positioning groove 712 for positioning the vane 15 is opened on the vertical short edge of the first positioning block 71, the positioning groove 712 is right-angled, the two sides of the transverse long edge at the bottom of the first positioning block 71 are both fixedly provided with a first mounting block 713, the first mounting block 713 is provided with a first long hole 714, a first bolt 715 can be inserted into the first long hole 714, the first positioning block 71 is fixedly mounted on the third positioning plate 43 through the first bolt 715, the first positioning protrusion 711 at the bottom of the first positioning block 71 can be embedded in the first positioning groove 432 of the third positioning plate 43, and one side of the first mounting block 713 of the first positioning block 71 is abutted against the outer side of the first annular positioning projection 431, thereby positioning the first positioning block 71.
As shown in fig. 2 and 4, the outer edge of the upper end of the first positioning disk 41 protrudes outward and forms a second annular protrusion 412, the outer edge of the upper end of the second annular protrusion 412 protrudes outward and forms a second annular positioning protrusion 413, the upper end surface of the second annular protrusion 412 is uniformly provided with second positioning slots 414 whose number is consistent with that of the second positioning blocks 72 along the circumferential direction of the spindle 3, the lower end surface of the second positioning block 72 protrudes outward and forms a second positioning protrusion 721 matched with the second positioning slot 414, the second positioning protrusion 721 can be engaged with the second positioning slot 414, and by adopting this structure, the equal division arrangement of the second positioning blocks 72 can be accurately controlled, thereby controlling the equal division arrangement of the impeller 1.
As shown in fig. 2, the second positioning block 72 is L-shaped, a positioning bevel 722 for positioning the blade 15 is disposed on a vertical short edge of the second positioning block 72, second mounting blocks 723 are fixedly disposed on two sides of a transverse long edge of the bottom of the second positioning block 72, a second long hole 724 is disposed on the second mounting block 723, a second bolt 725 is disposed in the second long hole 724 in a penetrating manner, the second positioning block 72 is fixedly mounted on the first positioning plate 41 through the second bolt 725, a second positioning protrusion 721 at the bottom of the second positioning block 72 is embedded in the second positioning groove 414 on the first positioning plate 41, and one side of the second mounting block 723 of the second positioning block 72 is abutted against an inner side of the second annular positioning protrusion 413, so that the second positioning block 72 can be positioned.
As shown in fig. 4 and 8, the second wedge mechanism 82 includes a second wedge 821 and a second wedge notch 822 opened on the main shaft 3, the main shaft 3 is detachably sleeved with a second sleeve 63 placed on the first positioning plate 41 and used for supporting the first positioning plate 51, the main shaft 3 is further detachably sleeved with a third sleeve 64 placed on the first positioning plate 51, the second sleeve 63 and the third sleeve 64 are both in clearance fit with the main shaft 3, the second wedge 821 is insertable into the second wedge notch 822 and presses the third sleeve 64 to clamp the first positioning plate 51, and by adopting this structure, the second wedge 821 can be quickly disassembled and assembled, and is simple and convenient to use, so that the first positioning plate 51 is quickly clamped or loosened, and the overall assembling efficiency is improved.
As shown in fig. 4 and 9, the main shaft 3 is detachably sleeved with a fourth sleeve 65 which is placed on the first positioning plate 41 and used for supporting the second positioning plate 52, the fourth sleeve 65 is in clearance fit with the main shaft 3, the second wedge 821 is insertable into the second wedge-shaped notch 822 and clamps the second positioning plate 52, and the second wedge 821 is quickly disassembled and assembled, so that the second positioning plate 52 is quickly clamped or loosened, and the overall assembling efficiency is improved.
The impeller 1 positioning tailor-welding process is realized by the following process steps:
step 1: preparing for work, placing the base plate 2 at a position to be welded, and then locking the main shaft 3 to the base plate 2.
Step 2: the base 11 penetrates through the spindle 3 and is placed on the bottom plate 2, the first positioning disk 41 is sleeved on the spindle 3, the first annular protrusion 411 at the bottom of the first positioning disk 41 is embedded in the circular groove 21 on the bottom plate 2, the first positioning disk 41 is positioned by the second positioning key 92, the first positioning disk 41 can further fix the spindle 3, and the base 11 is positioned and pressed by the base 11.
And step 3: firstly, the second positioning blocks 72 are fixedly mounted at corresponding positions on the first positioning plate 41, so that the second positioning protrusions 721 at the bottoms of the second positioning blocks 72 are embedded in the second positioning grooves 414 on the first positioning plate 41, and one sides of the second mounting blocks 723 of the second positioning blocks 72 are abutted against the inner sides of the second annular positioning protrusions 413, so that the second positioning blocks 72 can be positioned, and then the second positioning blocks 72 are locked and fixed through the second bolts 725.
And 4, step 4: the cushion blocks 61 are uniformly arranged along the circumferential direction of the spindle 3 and are arranged on the upper end surface of the base 11, the reinforcing ring 12 penetrates through the spindle 3 and is supported by the cushion blocks 61, the first sleeve 62 is sleeved on the spindle 3 and is arranged on the upper end surface of the first positioning disk 41, the second positioning disk 42 is sleeved on the spindle 3 and is supported by the first sleeve 62, the reinforcing ring 12 can be positioned by the second positioning disk 42, and then the first wedge 811 is inserted into the first wedge-shaped notch 812 so as to clamp the second positioning disk 42, so that the whole body is in a fixed state.
And 5: the third positioning disk 43 passes through the spindle 3, is placed on the bottom plate 2 and is embedded in the annular groove 22, and the third positioning disk 43 is positioned by the first positioning key 91.
Step 6: then, each first positioning block 71 is fixedly mounted at a corresponding position on the third positioning plate 43, so that the first positioning protrusion 711 at the bottom of the first positioning block 71 is embedded in the first positioning groove 432 on the third positioning plate 43, and one side of the first mounting block 713 of the first positioning block 71 is abutted against the outer side of the first annular positioning protrusion 431, so that the first positioning block 71 can be positioned, and then the first positioning block 71 is locked and fixed by the first bolt 715.
And 7: the blade 15 is placed on the base 11, the reinforcing ring 12 is embedded in the notch of the blade 15, one side of the blade 15 is abutted to the positioning groove 712 on the first positioning block 71, the other side of the blade 15 is abutted to the positioning bevel edge 722 on the corresponding second positioning block 72, the first positioning block 71 is matched with the second positioning block 72, so that the blade 15 is positioned, then the positioned blade 15 is fixed by spot welding, and the steps are repeated to sequentially position and fix the rest of the blade 15 by spot welding.
And 8: the first wedge 811 is loosened and the first wedge 811 is removed from the first wedge-shaped notch 812, and then the second positioning plate 42 and the first sleeve 62 are sequentially removed from the spindle 3.
And step 9: sleeving the second sleeve 63 on the spindle 3 and placing the second sleeve on the upper end surface of the first positioning disk 41, sleeving the first positioning plate 51 on the spindle 3 and supporting the second sleeve 63, sleeving the third sleeve 64 on the spindle 3 and placing the third sleeve on the upper end surface of the first positioning plate 51, inserting the second wedge 821 in the second wedge-shaped notch 822 and pressing the third sleeve 64 to clamp the first positioning plate 51, so that the whole is in a fixed state, then penetrating the conical pipe 13 through the spindle 3 and placing the conical pipe 13 on the upper ends of the blades 15, positioning the conical pipe 13 through the first positioning plate 51, and finally performing spot welding and fixing on the conical pipe 13.
Step 10: the second wedge 821 is loosened, the second wedge 821 is removed from the second wedge notch 822, and then the third sleeve 64, the first positioning plate 51 and the second sleeve 63 are sequentially removed from the spindle 3.
Step 11: the fourth sleeve 65 is sleeved on the main shaft 3 and is arranged on the upper end surface of the first positioning plate 41, the second positioning plate 52 is sleeved on the main shaft 3 and is supported by the fourth sleeve 65, the second wedge 821 is inserted into the second wedge-shaped notch 822 so as to clamp the second positioning plate 52, the whole is in a fixed state, then the circular tube 14 penetrates through the main shaft 3 and is arranged on the upper end of the conical tube 13, the positioning effect is achieved through the second positioning plate 52, and finally the circular tube 14 is fixed by spot welding.
Step 12: the second wedge 821 is loosened, the second wedge 821 is removed from the second wedge notch 822, and then the second positioning plate 52 and the fourth sleeve 65 are sequentially removed from the spindle 3.
Step 13: loosening the spindle 3 and removing the spindle 3 from the base plate 2, loosening the first bolts 715, removing the first positioning blocks 71, loosening the second bolts 725, removing the second positioning blocks 72, and removing the first positioning plate 41 from the base plate 2.
Step 14: and (3) completely welding the impeller 1 fixed by spot welding, and taking out and placing the impeller 1 from the bottom plate 2 after the welding is finished.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (9)
1. The utility model provides an impeller location tailor-welding frock which characterized in that: comprises a bottom plate, a main shaft is detachably arranged in the center of the bottom plate, a first positioning plate for positioning an impeller base, a second positioning plate for positioning an impeller reinforcing ring, a first positioning plate for positioning an impeller conical tube and a second positioning plate for positioning an impeller circular tube are detachably sleeved on the main shaft, the reinforcing ring is supported by a plurality of cushion blocks arranged on the base, a third positioning disc is arranged on the bottom plate, a plurality of first positioning blocks are arranged on the third positioning disc, second positioning blocks with the same number as the first positioning blocks are arranged on the first positioning disc, the first positioning block positions the impeller blade through the matching with the corresponding second positioning block, and the main shaft is also provided with a first wedge block mechanism for clamping the second positioning plate and a second wedge block mechanism for clamping the first positioning plate and the second positioning plate.
2. The impeller location tailor-welding frock of claim 1, characterized in that: the bottom plate is circular, the center of the upper end of the bottom plate is inwards sunken and is provided with a circular groove, the edge of the upper end of the bottom plate is inwards sunken and is provided with an annular groove, the third positioning disc is circular and is embedded in the annular groove, a first positioning key is further arranged between the third positioning disc and the annular groove, the lower end face of the first positioning disc is outwards protruded and is provided with a first annular convex block for positioning the base, the outer diameter of the first annular convex block is matched with the inner diameter of the circular groove, the first annular convex block can be embedded in the circular groove and enables a gap for accommodating the base to be formed between the lower end face of the first positioning disc and the upper end face of the bottom plate, a second positioning key is further arranged between the first annular convex block and the circular groove, and the first positioning disc, the second positioning disc, the first positioning plate and the second positioning plate are circular, the central axes of the first positioning plate, the second positioning plate, the third positioning plate, the first positioning plate and the second positioning plate are coincided with the central axis of the main shaft.
3. The impeller location tailor-welding frock of claim 2, characterized in that: first voussoir mechanism includes first voussoir and sets up in the epaxial first wedge notch of main shaft, detachable cover on the main shaft be equipped with place in just be used for supporting on the first positioning disk the first sleeve pipe of second positioning disk, first sleeve pipe with main shaft clearance fit, first voussoir can insert and locate in the first wedge notch and chucking the second positioning disk.
4. The impeller location tailor-welding frock of claim 2, characterized in that: the upper end of the third positioning disk is internally provided with a first annular positioning lug which protrudes outwards along the inner edge, the upper end face of the third positioning disk is uniformly provided with first positioning grooves with the number consistent with that of the first positioning blocks along the circumferential direction of the main shaft, the lower end face of the first positioning block protrudes outwards and is provided with a first positioning lug which is matched with the first positioning grooves, and the first positioning lug can be matched with the first positioning grooves in an embedded mode.
5. The impeller location tailor-welding frock of claim 4, characterized in that: first locating piece is L type form, offered on the vertical short edge of first locating piece and be used for the location the positioning groove of blade, positioning groove is the right angle form, the both sides on the horizontal long limit in first locating piece bottom are all fixed and are equipped with first installation piece, first slot hole has been seted up on the first installation piece, can wear to be equipped with first bolt in the first slot hole and pass through first bolt will first locating piece fixed mounting in on the third positioning disk.
6. The impeller location tailor-welding frock of claim 2, characterized in that: the outer edge of the upper end of the first positioning plate is outwards protruded and is provided with a second annular bump, the outer edge of the upper end of the second annular bump is outwards protruded and is provided with a second annular positioning bump, the upper end face of the second annular bump is uniformly provided with second positioning grooves consistent with the number of the second positioning blocks along the circumferential direction of the main shaft, the lower end face of the second positioning block is outwards protruded and is provided with a second positioning bump matched with the second positioning grooves, and the second positioning bump can be matched with the second positioning grooves in an embedded mode.
7. The impeller location tailor-welding frock of claim 6, characterized in that: the second locating piece is L type form, seted up on the vertical short edge of second locating piece and be used for the location hypotenuse of blade, the both sides on the horizontal long limit in second locating piece bottom are all fixed and are equipped with second installation piece, the second slot hole has been seted up on the second installation piece, can wear to be equipped with the second bolt in the second slot hole and pass through the second bolt will second locating piece fixed mounting in on the first positioning dish.
8. The impeller location tailor-welding frock of claim 2, characterized in that: second voussoir mechanism includes the second voussoir and sets up in the epaxial second wedge notch of main shaft, detachable cover on the main shaft be equipped with place in just be used for supporting on the first locating plate the second sleeve pipe of first locating plate, still detachable cover on the main shaft be equipped with place in third sleeve pipe on the first locating plate, the second sleeve pipe reaches the third sleeve pipe all with main shaft clearance fit, the second voussoir can insert and locate in the second wedge notch and compress tightly thereby the chucking of third sleeve pipe first locating plate.
9. The impeller location tailor-welding frock of claim 8, characterized in that: the detachable cover on the main shaft is equipped with and places in on the first locating plate and be used for supporting the fourth sleeve pipe of second locating plate, the fourth sleeve pipe with main shaft clearance fit, the second voussoir can insert and locate in the second wedge notch and chucking the second locating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354708.5U CN209850216U (en) | 2019-03-20 | 2019-03-20 | Impeller location tailor-welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920354708.5U CN209850216U (en) | 2019-03-20 | 2019-03-20 | Impeller location tailor-welding frock |
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| Publication Number | Publication Date |
|---|---|
| CN209850216U true CN209850216U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920354708.5U Active CN209850216U (en) | 2019-03-20 | 2019-03-20 | Impeller location tailor-welding frock |
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| CN (1) | CN209850216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634976A (en) * | 2021-10-17 | 2021-11-12 | 南通宝雪冷冻设备有限公司 | Spiral sprocket piece assembly device for quick-freezer |
-
2019
- 2019-03-20 CN CN201920354708.5U patent/CN209850216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634976A (en) * | 2021-10-17 | 2021-11-12 | 南通宝雪冷冻设备有限公司 | Spiral sprocket piece assembly device for quick-freezer |
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Address after: No. 700, sports street, hi tech Industrial Park, Fengze District, Quanzhou City, Fujian Province Patentee after: Fujian Nanfang pavement machinery Co.,Ltd. Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
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