CN111434445A - Impeller press-fitting height adjusting device - Google Patents
Impeller press-fitting height adjusting device Download PDFInfo
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- CN111434445A CN111434445A CN201910032037.5A CN201910032037A CN111434445A CN 111434445 A CN111434445 A CN 111434445A CN 201910032037 A CN201910032037 A CN 201910032037A CN 111434445 A CN111434445 A CN 111434445A
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- hole
- impeller
- pressure head
- press
- nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Abstract
The invention discloses an impeller press-fitting height adjusting device, and belongs to the technical field of automobile water pump impeller mounting equipment. The pressure head comprises a connecting disc (1), a pressure head (2) and a fixed core (3), wherein the bottom of the connecting disc (1) is connected with the pressure head (2), a first through hole (14) is formed in the pressure head (2), threads are arranged on the upper portion of the first through hole (14), an adjustable nut (6) is connected to the upper portion of the first through hole (14) through threads, threads are arranged outside the adjustable nut (6), a locking nut (7) is connected to the outside of the adjustable nut (6) through threads, the fixed core (3) is arranged in the first through hole (14), the fixed core (3) comprises a first portion (3-A), a second portion (3-B) and a third portion (3-C), the first portion (3-A) is arranged in the adjustable nut (6), and a spring (9) is sleeved outside the second portion (3-B). The invention solves the problem of inconvenient adjustment of the impeller press mounting height, and has simple operation and high test efficiency.
Description
Technical Field
The invention relates to the technical field of automobile water pump impeller mounting equipment, in particular to an impeller press-mounting height adjusting device.
Background
The impeller press-fitting is generally the last procedure in a water pump assembly, the impeller of the water pump needs to be pressed on a pump shaft by a pressure head in the press-fitting process, but the position of the impeller press-fitting needs to be controlled in the operation process, the traditional solution is to arrange limiting columns on two sides of equipment for controlling the height of the impeller press-fitting, but because the limiting columns are fixedly arranged on two sides of the equipment, in the test that the press-fitting height needs to be adjusted for many times, the proper range of the installation requirement cannot be achieved, so the distance between the limiting columns and a fixed core needs to be adjusted for press-fitting again, but because the limiting columns are fixed, the adjustment is troublesome, related equipment needs to be manufactured again, the work load is large for workers, the time is long, the operation is inconvenient, and the test efficiency is low in the test products needing to be adjusted frequently.
Patent document No. CN 204262709U discloses a pump impeller and shaft press-fitting tool, which is characterized in that the tool is provided with a base, an impeller supporting seat, an impeller backup plate, an impeller lifting oil cylinder, a shaft horizontal supporting device, an oil cylinder supporting seat, a hydraulic propulsion oil cylinder and an axial push plate, one end of the base is vertically and fixedly connected with the impeller backup plate, the other end of the base is vertically and fixedly connected with the oil cylinder supporting seat, the base is provided with the impeller lifting oil cylinder and the shaft horizontal supporting device, the upper end of the impeller lifting oil cylinder is fixedly connected with the impeller supporting seat, the upper end of the impeller supporting seat is provided with an impeller positioning groove, the upper end of the oil cylinder supporting seat is provided with the hydraulic propulsion oil cylinder, the hydraulic propulsion oil cylinder is vertically and fixedly connected with the axial push plate, the lower end of a shaft supporting frame is vertically and fixedly connected with the base, although this patent has novel structure, easy operation, the height of uncontrollable impeller pressure equipment when using needs relapse regulation, and the operation is more troublesome, has increased staff's work load, has wasted the time.
Application publication number CN 108555568A discloses a water pump impeller press-fitting device and a press-fitting method thereof, wherein the water pump impeller press-fitting device comprises a workbench, an operation plate, a positioning rod, a rotating rod, a horizontal shaft sleeve, a bracket, a guiding device and a press-fitting machine; the press fitting method comprises the following steps: s1, fixing the pump body on the operating plate, and determining the position of the positioning rod; s2, placing the impeller on the pressure head, installing a guide device, and clamping the impeller by the guide device; and S3, starting the motor to perform press fitting, driving the impeller to move towards the pump shaft by the pressure head, fixing the movement direction by the guide device until the impeller is separated from the guide device, and press fitting the impeller onto the pump shaft to complete the press fitting operation. The device and the press-fitting method provided by the invention can improve the press-fitting efficiency and have a protection effect on the impeller and the pump shaft, but the press-fitting is carried out by adopting the motor, the speed is high, the press-fitting height of the impeller cannot be accurately controlled, and the device and the method need further adjustment when being reused, otherwise the use of the device can be influenced.
Disclosure of Invention
In view of this, the invention aims to provide an impeller press-fitting height adjusting device aiming at the defects of the prior art, which solves the problem of inconvenience in adjustment of the impeller press-fitting height, and is simple in operation and high in test efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an impeller pressure equipment height adjustment, includes connection pad 1, pressure head 2 and decides core 3, the bottom of connection pad 1 is connected with pressure head 2, be equipped with a through-hole 14 in the pressure head 2, a through-hole 14 upper portion is equipped with the screw thread, a through-hole 14 upper portion has adjustable nut 6 through threaded connection, adjustable nut 6 is equipped with the screw thread outward, adjustable nut 6 is outer to be connected with lock nut 7 through threaded connection, be equipped with decides core 3 in the through-hole 14, decide core 3 including first part 3-A, second part 3-B and third part 3-C, first part 3-A locates in adjustable nut 6, second part 3-B overcoat has spring 9.
Further, 1 top of connection pad is equipped with mounting groove 10, and both sides are equipped with screw hole two 11, the bottom of mounting groove 10 is equipped with through-hole two 4, pressure head 2 passes through-hole two 4 settings in 1 bottom of connection pad.
Furthermore, one side of the lower portion of the connecting disc 1 is provided with a first threaded hole 5, a first nut is connected in the first threaded hole 5, and the connecting disc 1 is fixedly connected with the pressure head 2 through the first nut.
Furthermore, an internal thread is arranged in the through hole II 4, an external thread is arranged on the upper portion of the pressure head 2, and the pressure head 2 is fixed to the bottom of the connecting disc 1 through a thread.
Further, a first protrusion 12 is arranged between the second part 3-B and the third part 3-C, and a second protrusion 13 for blocking the first protrusion 12 is arranged at the lower part of the first through hole 14.
Further, a sealing ring 8 is arranged at the joint of the bottom of the fixed core 3 and the impeller 15.
The invention has the beneficial effects that:
1. the press head is in clearance fit with the connecting disc, the adjustable nut is arranged on the press head, the press mounting height can be adjusted by rotating the adjustable nut, the structure is simple, the adjustment is convenient, related equipment does not need to be manufactured again, the work load of workers is reduced, the time is saved, the test efficiency is improved in a test product needing frequent adjustment, and the cost is saved.
2. According to the invention, the locking nut is arranged outside the adjustable nut, and the adjustable nut is locked by using the locking nut after being adjusted, so that the adjustable nut can be prevented from loosening, and the test effect is influenced.
3. According to the invention, the internal thread is arranged in the second through hole on the connecting disc, the external thread is arranged outside the upper part of the pressure head, and the pressure head is arranged at the bottom of the connecting disc through the thread, so that the connecting disc and the pressure head are convenient to detach and mount, and the use is convenient.
4. The spring is sleeved outside the second part of the fixed core, and when the press fitting device is used, the length of the spring is adjusted by adjusting the adjustable nut, so that the elastic force of the spring is increased, the fixed core moves up and down along with the press head under the elastic force of the spring, the press fitting height is further adjusted, and the press fitting device is simple to operate and convenient to use.
5. The sealing ring is arranged at the joint of the bottom of the fixed core and the impeller, so that the friction between the fixed core and the impeller can be increased when the impeller is used, and the impeller can be fixed on the fixed core under the friction force.
6. A first bulge is arranged between the second part and the third part of the fixed core, and a second bulge for blocking the first bulge is arranged at the lower part of a first through hole in a pressure head.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic partial structure diagram of a connection plate according to an embodiment of the present invention.
Fig. 3 is a partial structural schematic diagram of the indenter of the present invention.
Fig. 4 is a partial structural schematic view of the stationary core of the present invention.
Fig. 5 is a partial structural schematic view of the adjustable nut of the present invention.
Fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.
In the drawings: 1-connecting disc, 2-pressure head, 3-fixed core, 3-A-first part, 3-B-second part, 3-C-third part, 4-through hole two, 5-threaded hole one, 6-adjustable nut, 7-locking nut, 8-sealing ring, 9-spring, 10-mounting groove, 11-threaded hole two, 12-bulge one, 13-bulge two, 14-through hole one, 15-impeller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in figures 1-5, an impeller pressure equipment height adjustment device, including connection pad 1, pressure head 2 and decide core 3, the bottom of connection pad 1 is connected with pressure head 2, be equipped with a through-hole 14 in the pressure head 2, a 14 upper portions of through-hole are equipped with the screw thread, a 14 upper portions of through-hole have adjustable nut 6 through threaded connection, and during the use, pressure head and connection pad clearance fit just can adjust the height of pressure equipment through rotatory adjustable nut, and simple structure, the adjustment is more convenient, need not make relevant equipment again, has alleviateed staff's engineering volume, has saved the time, in the test product that needs frequent adjustment, has improved experimental efficiency, has saved the cost. The adjustable nut 6 is externally provided with threads, the adjustable nut 6 is externally connected with the locking nut 7 through the threads, when the adjustable nut is used, the locking nut is used for locking the adjustable nut after the adjustable nut is adjusted, and the adjustable nut can be prevented from loosening, so that the test effect is influenced. The fixed core 3 is arranged in the first through hole 14, the fixed core 3 comprises a first part 3-A, a second part 3-B and a third part 3-C, the first part 3-A is arranged in the adjustable nut 6, the second part 3-B is sleeved with the spring 9, the top of the spring 9 is in contact with the bottom of the adjustable nut 6, when the fixed core is used, the adjustable nut is adjusted to adjust the length of the vertical extension of the spring, so that the fixed core moves up and down along with the pressure head under the elastic force of the spring, the height of the fixed core which moves up due to the reaction force during press mounting is controlled, the press mounting height is further adjusted, and the fixed core is simple to operate and convenient to use.
The top of the connecting disc 1 is provided with a mounting groove 10, two sides of the mounting groove are provided with two threaded holes 11, the bottom of the mounting groove 10 is provided with two through holes 4, and the pressure head 2 is arranged at the bottom of the connecting disc 1 through the two through holes 4. One side of the lower portion of the connecting disc 1 is provided with a first threaded hole 5, a first nut is connected in the first threaded hole 5, the first nut is an M8 nut, and the connecting disc 1 and the pressure head 2 are fixedly connected through the first nut. A first bulge 12 is arranged between the second part 3-B and the third part 3-C, a second bulge 13 for blocking the first bulge 12 is arranged at the lower part of the first through hole 14, and when the impeller is used, the fixed core can be blocked from sliding downwards, the end face of the impeller is controlled to be in contact with the pump shaft, and the press-fitting height is controlled.
Example two
As shown in fig. 6, the present embodiment is substantially the same as the first embodiment, except that: the sealing ring 8 is arranged at the joint of the bottom of the fixed core 3 and the impeller 15, and when the impeller is used, the friction between the fixed core and the impeller can be increased, so that the impeller can be fixed on the fixed core under the friction force.
EXAMPLE III
As shown in fig. 7, the structure of this embodiment is substantially the same as that of the second embodiment, except that: be equipped with the internal thread in the through-hole two 4, 2 upper portions of pressure head are equipped with the external screw thread, pressure head 2 passes through the threaded fixation in connection pad 1 bottom, when using, makes things convenient for the dismantlement and the installation of connection pad and pressure head, convenient to use.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides an impeller pressure equipment height adjustment device which characterized in that: including connection pad (1), pressure head (2) and decide core (3), the bottom of connection pad (1) is connected with pressure head (2), be equipped with through-hole (14) in pressure head (2), through-hole (14) upper portion is equipped with the screw thread, there is adjustable nut (6) on through-hole (14) upper portion through threaded connection, adjustable nut (6) are equipped with the screw thread outward, there is lock nut (7) through threaded connection outside adjustable nut (6), be equipped with in through-hole (14) and decide core (3), it includes first portion (3-A), second part (3-B) and third part (3-C) to decide core (3), adjustable nut (6) are located in first portion (3-A), second part (3-B) overcoat has spring (9).
2. The impeller press-fitting height adjusting device as claimed in claim 1, wherein: connection pad (1) top is equipped with mounting groove (10), and both sides are equipped with screw hole two (11), the bottom of mounting groove (10) is equipped with through-hole two (4), pressure head (2) set up in connection pad (1) bottom through-hole two (4).
3. The impeller press-fitting height adjusting device as claimed in claim 2, wherein: one side of the lower portion of the connecting disc (1) is provided with a first threaded hole (5), a first nut is connected in the first threaded hole (5), and the connecting disc (1) is fixedly connected with the pressure head (2) through the first nut.
4. The impeller press-fitting height adjusting device as claimed in claim 2, wherein: an internal thread is arranged in the through hole II (4), an external thread is arranged on the upper portion of the pressure head (2), and the pressure head (2) is fixed to the bottom of the connecting disc (1) through the thread.
5. The impeller press-fitting height adjusting device as claimed in claim 1, wherein: a first bulge (12) is arranged between the second part (3-B) and the third part (3-C), and a second bulge (13) for blocking the first bulge (12) is arranged at the lower part of the first through hole (14).
6. The impeller press-fitting height adjusting device as claimed in claim 1, wherein: and a sealing ring (8) is arranged at the joint of the bottom of the fixed core (3) and the impeller (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032037.5A CN111434445A (en) | 2019-01-14 | 2019-01-14 | Impeller press-fitting height adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032037.5A CN111434445A (en) | 2019-01-14 | 2019-01-14 | Impeller press-fitting height adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN111434445A true CN111434445A (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032037.5A Pending CN111434445A (en) | 2019-01-14 | 2019-01-14 | Impeller press-fitting height adjusting device |
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| Country | Link |
|---|---|
| CN (1) | CN111434445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580068A (en) * | 2021-07-21 | 2021-11-02 | 福建福清核电有限公司 | Nuclear power plant liquid ring vacuum pump impeller mounting device and method |
-
2019
- 2019-01-14 CN CN201910032037.5A patent/CN111434445A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580068A (en) * | 2021-07-21 | 2021-11-02 | 福建福清核电有限公司 | Nuclear power plant liquid ring vacuum pump impeller mounting device and method |
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