CN214444388U - Automobile water pump impeller and hub opposite-pressing tool - Google Patents
Automobile water pump impeller and hub opposite-pressing tool Download PDFInfo
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- CN214444388U CN214444388U CN202120522788.8U CN202120522788U CN214444388U CN 214444388 U CN214444388 U CN 214444388U CN 202120522788 U CN202120522788 U CN 202120522788U CN 214444388 U CN214444388 U CN 214444388U
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Abstract
The utility model discloses an automobile water pump impeller and wheel hub are to pressing frock, comprises a workbench, be equipped with trench one on the workstation, trench one is inside to be equipped with compression spring one, trench one upper portion is equipped with the location mandrel, location mandrel upper portion is equipped with the locating lever, workstation upper portion is equipped with the base, be equipped with the supporting pad in the middle of the base upper portion, the outer lane is equipped with the locating plate, locating plate upper portion is equipped with the floating axle, the opposite side is equipped with the locating pin, the floating axle lower part is equipped with compression spring two, be equipped with the floating board between floating axle upper portion and the locating pin, the floating board top is equipped with the equipment roof, equipment roof bottom is equipped with trench two, trench two inside is equipped with compression spring three, equipment roof bottom is equipped with the pressure head, be equipped with the location axle between pressure head and the trench two. The tooling ensures that the workpiece can be automatically aligned with the center during assembly, effectively solves the problem of reduction of impeller torque and hub pulling-out force, reduces the bounce of the assembled impeller and hub, improves product quality and reduces cost.
Description
Technical Field
The utility model relates to an automobile water pump assembly technical field specifically indicates an automobile water pump impeller and wheel hub are to pressing frock.
Background
Most of cooling water pumps for automobiles are mechanical centrifugal pumps, torque transmission inside most of the pumps is provided by static friction force generated by interference fit among a hub, a bearing and an impeller, if the friction force at any part of the hub, the bearing and the impeller is reduced, the water pump fails to work, the engine is enabled to alarm at high temperature, the hub and a belt pulley connected with the hub fall off when the friction force is heavy, an external timing belt falls off, and the engine is damaged or scrapped when an air valve at the top of the engine is caused. During assembly of the impeller hub of such a pump. There are often times when the shaft will break the bore leading to insufficient impeller or hub torque due to improper assembly. When traditional automobile water pump assembly impeller, wheel hub, impeller, wheel hub separately assemble, mainly have following shortcoming:
(1) as shown in FIG. 1: when the impeller is assembled, the end of the half assembly impeller with the assembled bearing is placed on a tool upwards, then the impeller is placed on the end surface of the bearing, the impeller is pressed down by a press machine to be assembled in place, the impeller is difficult to swing on a shaft head before pressing down, so that the impeller moves in an inclined state in the pressing down process, burrs are easy to be generated in the inner hole of the impeller or the inner hole is non-uniformly expanded, so that the torque is reduced after the impeller is assembled, and the impeller is easy to fall off in the loading working condition;
(2) as shown in fig. 2: when the wheel hub is assembled, the water pump half assembly with the assembled impeller is placed on a tool, then the wheel hub is placed on the end face of the bearing, and finally the wheel hub is pressed down by a press machine to complete assembly. According to the assembling method, when the wheel hub is placed on the end face of the bearing, the wheel hub cannot be flatly placed by the bearing end and the chamfer of the wheel hub end, so that the wheel hub moves downwards in an inclined state during assembling to enable burrs to be ejected from a wheel hub hole, the actual interference magnitude between the wheel hub and the bearing is reduced, the wheel hub pulling-out force is reduced, and the risk of falling-off of the wheel hub after vehicle assembling is increased;
(3) as shown in fig. 3: the impeller is absorbed on the pressure head by a strong magnet and is pressed down after being centered by the positioning shaft, and because a gap is reserved between the bearing and the base, the bearing and the pressure head are not coaxial before pressing down, the upper end of the water pump body can be forced to be guided when the bearing chamfer is contacted with the impeller chamfer, so that the water pump body is in an inclined state in the pressing down process, the inner hole of the assembled impeller is broken back, the torque of the impeller is reduced, and the impeller runout is out of tolerance;
(4) as shown in fig. 4: the hub is attracted to a pressure head by a strong magnet and is pressed by the end face of the pressure head to be right, so that the end face of the hub is parallel to a working table surface, the middle part of the hub is centered by a positioning shaft and then pressed downwards, but a gap is reserved between a mounting hole of a water pump body and a positioning pin of a tool, so that the center of a bearing and the center of the hub cannot be ensured to be coincided, the hub is in chamfered contact with the bearing in the pressing-down process, the upper end of the bearing is forced to be right and then pressed downwards to cause the inclination of the water pump body, the inner hole of the hub is crushed or uniformly supported to be large after the equipment, and the pulling-out force of the hub is reduced and the jumping is increased;
(3) the turnover frequency is high in the water pump assembling process, and the friction and collision probability among workpieces is high;
(4) more equipment and personnel are needed, and the production cost is higher.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an automobile water pump impeller and wheel hub to pressing the frock, impeller and wheel hub assemble simultaneously, have increased assembly efficiency, have improved product quality, have reduced manufacturing cost.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an automobile water pump impeller and wheel hub are to pressing frock, includes the equipment workstation, is equipped with trench one on the workstation, and trench one is inside to be equipped with compression spring one, and trench one upper portion is equipped with the location mandrel, and location mandrel upper portion is equipped with the locating lever, and workstation upper portion is located trench one top and is equipped with the base, is equipped with the supporting pad in the middle of the base upper portion, and the outer lane is equipped with the locating plate, and locating plate upper portion one side is equipped with the floating axle, and the opposite side is equipped with the locating pin, and the floating axle lower part is equipped with compression spring two, be equipped with the floating board between the upper portion of floating axle and the locating pin, and the floating board top is equipped with the equipment roof, and the bottom of equipment roof is equipped with trench two, and trench two inside compression spring three are equipped with the pressure head in trench two bottoms, are equipped with the location axle between pressure head and the trench two, inlay magnet on the pressure head with the brute force.
Preferably, the positioning pins include two.
Preferably, the compression spring is covered with a spring sheath at the outer part, one end of the spring sheath is connected with the bottom of the positioning plate, and the other end of the spring sheath is connected with the upper part of the workbench.
Compared with the prior art, the utility model the advantage lie in: the tool ensures that the workpiece can be automatically aligned to the center during assembly through a series of positioning measures, effectively solves the problem that the impeller torque and the hub pulling-out force are reduced due to inaccurate positioning in the assembly of the traditional water pump, greatly reduces the jumping of the assembled impeller and hub, and improves the product quality; this set of frock can realize assembling when impeller and wheel hub, and the more traditional water pump assembly has reduced the input of equipment and manpower, makes the running cost reduction of enterprise.
Drawings
Fig. 1 is a prior art impeller assembly.
Fig. 2 is an assembly view of a prior art hub.
Fig. 3 is another prior art impeller assembly.
FIG. 4 is another prior art hub assembly view.
Fig. 5 is the utility model relates to a structure schematic diagram before car water pump impeller and wheel hub are to pressing the frock assembly.
Fig. 6 is the utility model relates to a structural schematic diagram of car water pump impeller and wheel hub after to pressing frock assembly.
Fig. 7 is an assembly view of the present invention.
As shown in the figure: 1. the device comprises a compression spring I, a compression spring 2, a positioning mandrel 3, a positioning rod 4, a spring sheath 5, a compression spring II.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
With the attached drawings, the automobile water pump impeller and hub opposite-pressing tool comprises an equipment workbench 16, wherein a first groove is arranged on the workbench 16, a first compression spring 1 is arranged inside the first groove, a positioning mandrel 2 is arranged at the upper part of the first groove, a positioning rod 3 is arranged at the upper part of the positioning mandrel 2, a base 6 is arranged at the upper part of the workbench 16 above the first groove, a supporting pad 7 is arranged in the middle of the upper part of the base 6, a positioning plate 8 is arranged on the outer ring, a floating shaft 9 is arranged on one side of the upper part of the positioning plate 8, a positioning pin 15 is arranged on the other side of the upper part of the positioning plate, a second compression spring 5 is arranged at the lower part of the floating shaft 9, a spring sheath 4 is covered outside the second compression spring 5, one end of the spring sheath 4 is connected with the bottom of the positioning plate 8, the other end of the upper part of the workbench 16, a floating plate 10 is arranged between the upper part of the floating shaft 9 and the positioning pin 15, an equipment top plate 17 is arranged above the floating plate 10, and a second groove is arranged at the bottom of the equipment top plate 17, a third compression spring 13 is arranged inside the second slot, a pressure head 12 is arranged below the second slot at the bottom of the equipment top plate 17, a positioning shaft 14 is arranged between the pressure head 12 and the second slot, and a powerful magnet 11 is embedded in the pressure head 12. The positioning pins 15 include two.
When the utility model is implemented, the first compression spring 1 pushes the positioning rod No. 3 upwards to be positioned at the upper position; the positioning mandrel 2 is a fixed center of the base 6; the positioning rod 3 centers the impeller; the spring sheath 4 can enable the second compression spring 5 to be reliably in a compression and relaxation state without ejecting out to hurt people, the second compression spring 5 tightly pushes the floating shaft 9 and the floating plate 10 upwards, the shoulder of the floating shaft 9 is enabled to be in contact with the positioning plate 8, and the floating plate 10 is enabled to be parallel to the equipment workbench 16; the tool base 6 plays a role in supporting and positioning; the supporting pad 7 plays a role of supporting the impeller; the positioning plate 8 is provided with two positioning pins 15 which are in interference fit on the floating plate 10 and the equipment platform except that the retaining shoulder is matched with the floating shaft 9, and the positioning pins 15 are matched with the water pump body mounting hole to accurately position the water pump body bearing hole to the center of the tool; the powerful magnet 11 is embedded on the pressure head 12, and the hub can be attracted and cannot fall off before assembly; the positioning shaft 14 can move up and down under the action of the compression spring III 13 and the pressure of the shaft head, and plays roles in centering the hub and positioning up and down.
As shown in FIG. 7, B1 and B2 are in the same line during assembly, and during press mounting, because the workpiece is supported by a spring and is in a floating state, the eccentrics S1 and S2 move to the F direction through chamfer guiding action and automatically align, so that the hub jumping amount of the impeller is reduced after assembly.
The utility model discloses an adjustment method does:
the positioning mandrel 2 is arranged at the central hole of an equipment workbench 16, a compression spring 1 is placed in the central hole through the positioning mandrel 2, a base 6 and a positioning plate 8 are fixed through bolts after a supporting pad 7 is arranged in the positioning plate 8, a positioning rod 3 is arranged in the base 6, meanwhile, a floating shaft 9 is arranged in the positioning plate 8, a compression spring II 5 and a spring jacket 4 are arranged, a tool assembled in the sequence is fixed on the workbench 16 through bolts, the center of the tool is fixed through the positioning mandrel 2, the floating shaft 9 and the positioning rod 3 are pressed by hands after being arranged in place to move up and down without clamping texture, and finally, the floating plate 10 is assembled above the floating shaft 9 after being fixed through a positioning pin 15.
And a third compression spring 13 is arranged in the positioning shaft 14, the positioning shaft 14 is arranged on the pressure head 12, and the assembled tool is fixed on the top plate 17 of the equipment by screws. Two strong magnets 11 are symmetrically arranged in magnet holes of a pressure head 12, and a positioning shaft 14 is pressed by hands to move up and down smoothly without jamming feeling.
The utility model discloses operation flow is as follows during the use:
(1) the impeller is arranged on the positioning rod 3 according to the direction required by the drawing, and the inner end surface of the impeller is in contact with the supporting pad 7, so that the impeller is ensured to be placed in place.
(2) The hub is arranged on the positioning shaft 14 according to the assembly direction of the drawing, and is attracted by the strong magnet 11 to be close to the end face of the pressure head 12, so that the hub is ensured to be placed in place.
(3) And (3) placing the half assembly with the assembled bearing and water seal on the floating plate 10, and ensuring that the two positioning pins 15 pass through the mounting holes to enable the center of the half assembly to coincide with the center of the tool.
(4) And starting the hydraulic machine, slowly pressing down in a manual state, and observing the states of the parts and the tooling to see whether the parts and the tooling are normal or not in the pressing down process.
(5) And resetting the press machine after assembly, automatically resetting the tool and measuring the size of the workpiece. After the product is qualified, the product can be quickly assembled in an automatic state of equipment, and if the product is unqualified, the process is repeated for 1-4 times after adjustment. The press requires: the parallelism of the upper working surface and the lower working surface of the press machine is required to be within 0.2, and the positioning holes on the working surfaces are required to be concentric within 0.1. The hydraulic press operates stably and has no pause and frustration feeling when being pressurized.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (3)
1. The utility model provides an automobile water pump impeller and wheel hub are to pressing frock, includes the equipment workstation, its characterized in that: be equipped with trench one on the workstation, trench one is inside to be equipped with compression spring one, and trench one upper portion is equipped with the location mandrel, and location mandrel upper portion is equipped with the locating lever, and workstation upper portion is located trench one top and is equipped with the base, is equipped with the supporting pad in the middle of the base upper portion, and the outer lane is equipped with the locating plate, and locating plate upper portion one side is equipped with the floating axle, and the opposite side is equipped with the locating pin, and the floating axle lower part is equipped with compression spring two, be equipped with the floating board between the upper portion of floating axle and the locating pin, the floating board top is equipped with the equipment roof, and the bottom of equipment roof is equipped with trench two, and trench two inside is equipped with compression spring three, and equipment roof bottom is located trench two below and is equipped with the pressure head, is equipped with the location axle between pressure head and the trench two, inlays powerful magnet on the pressure head.
2. The automobile water pump impeller and hub opposite-pressing tool according to claim 1, characterized in that: the locating pin includes two.
3. The automobile water pump impeller and hub opposite-pressing tool according to claim 1, characterized in that: and a spring sheath is covered outside the compression spring, one end of the spring sheath is connected with the bottom of the positioning plate, and the other end of the spring sheath is connected with the upper part of the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522788.8U CN214444388U (en) | 2021-03-12 | 2021-03-12 | Automobile water pump impeller and hub opposite-pressing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522788.8U CN214444388U (en) | 2021-03-12 | 2021-03-12 | Automobile water pump impeller and hub opposite-pressing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214444388U true CN214444388U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120522788.8U Active CN214444388U (en) | 2021-03-12 | 2021-03-12 | Automobile water pump impeller and hub opposite-pressing tool |
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| CN (1) | CN214444388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571990A (en) * | 2023-07-14 | 2023-08-11 | 中科摩通(常州)智能制造股份有限公司 | Self-centering assembly station and assembly process for impeller of motor water pump |
-
2021
- 2021-03-12 CN CN202120522788.8U patent/CN214444388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571990A (en) * | 2023-07-14 | 2023-08-11 | 中科摩通(常州)智能制造股份有限公司 | Self-centering assembly station and assembly process for impeller of motor water pump |
| CN116571990B (en) * | 2023-07-14 | 2023-09-08 | 中科摩通(常州)智能制造股份有限公司 | Self-centering assembly station and assembly process for impeller of motor water pump |
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