CN216151804U - Water pump shell processing tool - Google Patents
Water pump shell processing tool Download PDFInfo
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- CN216151804U CN216151804U CN202122168541.3U CN202122168541U CN216151804U CN 216151804 U CN216151804 U CN 216151804U CN 202122168541 U CN202122168541 U CN 202122168541U CN 216151804 U CN216151804 U CN 216151804U
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Abstract
The utility model relates to a processing tool for a water pump shell, which comprises a bottom plate, wherein the center of the bottom plate is taken as an original point, a horizontal line passing through the original point is taken as an x axis, and a vertical line passing through the original point is taken as a y axis; the first main clamping mechanism is positioned in the negative direction of the x axis and used for pressing the water pump shell; the second main clamping mechanism is positioned in the negative direction of the x axis and used for pressing the water pump shell; the third main clamping mechanism is positioned in the positive direction of the x axis and used for pressing the water pump shell; the auxiliary clamping mechanism is positioned in the positive direction of the x axis and is used for pressing the water pump shell; the positioning mechanism is positioned in the positive direction of the y axis and used for supporting the water pump shell and comprises an elastic V-shaped block and a fifth lifting hydraulic cylinder, and a piston rod of the fifth lifting hydraulic cylinder is connected with the elastic V-shaped block; and the supporting cylinder is positioned in the positive direction of the x axis and positioned on one side of the auxiliary clamping mechanism and is used for supporting the water pump shell. The utility model realizes complete constraint and ensures reliable repeated positioning.
Description
Technical Field
The utility model relates to the technical field of machining auxiliary tools, in particular to a water pump shell machining tool.
Background
The high-strength cast iron water pump shell is a basic part of a cooling water pump, the quality of the high-strength cast iron water pump shell directly influences the service performance of the cooling pump, and the surface quality of a casting must be completely in line with the requirements of customers while the performance of the high-strength cast iron water pump shell is met.
Fig. 12 is a plan view of the water pump housing, fig. 13 is a bottom view of the water pump housing, fig. 14 is a left side view of the water pump housing, fig. 15 is a right side view of the water pump housing, fig. 16 is a front view of the water pump housing, and fig. 17 is a rear view of the water pump housing. With reference to fig. 12-17, the water pump housing includes a shaped body 1701, the shaped body 1701 including the following features: the bending die comprises a bending side edge 1701, a notch 1702 and an arc-shaped edge 1703, wherein the notch 1702 and the arc-shaped edge 1703 are connected through arc transition, and a plurality of convex parts are arranged in the arc transition; a vertical plate 1704 is vertically disposed on one side of the special-shaped body 1701, and both sides of the vertical plate 1704 extend in the radial direction of the special-shaped body 1701.
The water pump shell does not design sufficient benchmark characteristic that can be used to the location when the casting, needs artifical both hands supplementary during the clamping, can produce the circumstances that the water pump shell location is troublesome, the repeated positioning accuracy is poor, the product defective rate is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model discloses a water pump shell machining tool.
The technical scheme adopted by the utility model is as follows:
a water pump shell processing tool comprises
The base plate takes the center of the base plate as an origin, a horizontal line passing through the origin is an x-axis, and a vertical line passing through the origin is a y-axis;
the first main clamping mechanism is positioned in the negative direction of the x axis, is used for pressing a water pump shell and is connected with a piston rod of a first lifting hydraulic cylinder;
the second main clamping mechanism is positioned in the negative direction of the x axis, is used for pressing a water pump shell and is connected with a piston rod of a second lifting hydraulic cylinder;
the third main clamping mechanism is positioned in the positive direction of the x axis, is used for pressing a water pump shell and is connected with a piston rod of a fourth lifting hydraulic cylinder;
the auxiliary clamping mechanism is positioned in the positive direction of the x axis, is used for pressing a water pump shell and is connected with a piston rod of a third lifting hydraulic cylinder;
the positioning mechanism is positioned in the positive direction of the y axis and used for supporting the water pump shell and comprises an elastic V-shaped block and a fifth lifting hydraulic cylinder, and a piston rod of the fifth lifting hydraulic cylinder is connected with the elastic V-shaped block;
the supporting cylinder is positioned in the positive direction of the x axis and positioned on one side of the auxiliary clamping mechanism and used for supporting a water pump shell;
the first lifting hydraulic cylinder, the second lifting hydraulic cylinder, the support cylinder, the third lifting hydraulic cylinder, the fourth lifting hydraulic cylinder and the fifth lifting hydraulic cylinder are all arranged on the bottom plate.
The method is further technically characterized in that: the first main clamping mechanism comprises a first pressing plate, a first side plate and a second side plate; a first fixing seat is installed on an end cover of the first lifting hydraulic cylinder, and the first side plate and the second side plate are installed on the left side and the right side of the first pressing plate respectively and are connected with the first fixing seat through bolts.
The method is further technically characterized in that: the first pressing plate comprises a first head portion, a first transition portion and a first connecting portion, the first head portion, the first transition portion and the first connecting portion are integrally formed, the central axis of the first head portion and the central axis of the first transition portion are located on the same straight line, the first transition portion and the first connecting portion are connected in a bending mode, and the first connecting portion is a group of clamping plates.
The method is further technically characterized in that: the second main clamping mechanism comprises a second pressing plate, a third side plate and a fourth side plate; and a second fixed seat is arranged on an end cover of the second lifting hydraulic cylinder, and the third side plate and the fourth side plate are respectively arranged on the left side and the right side of the second pressing plate and are connected with the second fixed seat through bolts.
The method is further technically characterized in that: the second clamp plate comprises a second head portion, a second transition portion and a second connecting portion, the second head portion is integrally formed, a first included angle is formed between the central axis of the second head portion and the central axis of the second transition portion, the second transition portion is connected with the second connecting portion in a bending mode, and the second connecting portion is a set of clamping plates.
The method is further technically characterized in that: the auxiliary clamping mechanism comprises a third pressing plate, a fifth side plate and a sixth side plate; a third fixed seat is arranged on an end cover of the third lifting hydraulic cylinder, and the fifth side plate and the sixth side plate are respectively arranged on the left side and the right side of the third pressing plate and are connected with the third fixed seat through bolts; still include right side V type piece, right side V type piece sets up one side of assisting the mechanism of pressing from both sides for compress tightly the water pump casing.
The method is further technically characterized in that: the third pressing plate comprises a third head portion, a third transition portion and a third connecting portion which are integrally formed, a second included angle is formed between the central axis of the third head portion and the central axis of the third transition portion, the third transition portion and the third connecting portion are connected in a bending mode, and the third connecting portion is a set of clamping plates.
The method is further technically characterized in that: the third main clamping mechanism comprises a fourth pressing plate, a seventh side plate and an eighth side plate; and a fourth fixing seat is arranged on an end cover of the fourth lifting hydraulic cylinder, and the seventh side plate and the eighth side plate are respectively arranged on the left side and the right side of the fourth pressing plate and are connected with the fourth fixing seat through bolts.
The method is further technically characterized in that: the fourth pressing plate comprises a fourth head portion, a fourth transition portion and a fourth connecting portion, the fourth head portion is J-shaped, a third included angle is formed between the central axis of the fourth head portion and the central axis of the fourth transition portion, the fourth transition portion is connected with the fourth connecting portion in a bending mode, and the fourth connecting portion is a group of clamping plates.
The method is further technically characterized in that: the X-axis lifting mechanism further comprises a left-side pushing hydraulic cylinder which is located in the negative direction of the X-axis, and the axis of the piston rod of the left-side pushing hydraulic cylinder and the axis of the piston rod of the second lifting hydraulic cylinder intersect at a point and are perpendicular to each other.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
1. according to the utility model, by utilizing the right side semi-cylindrical characteristic of the water pump shell and using the adjustable right side V-shaped block, a reasonable position is determined through multi-batch blank test, and the positioning requirements of all blanks are met.
2. The utility model utilizes the conical characteristic of the head of the water pump shell and uses the elastic V-shaped block which can be lifted to realize the guiding and the positioning of the water pump shell.
3. The utility model realizes the operation steps of side pushing, main pressing, supporting, auxiliary pressing and loosening, thereby realizing complete constraint and ensuring reliable repeated positioning.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
Fig. 4 is an enlarged schematic view at C in fig. 1.
Fig. 5 is a top view of the present invention.
Fig. 6 is an enlarged schematic view of the first main clamping mechanism of fig. 5.
Fig. 7 is an enlarged schematic view of the second main clamp mechanism of fig. 5.
Fig. 8 is an enlarged schematic view of the sub-clamping mechanism of fig. 5.
Fig. 9 is an enlarged schematic view of the third main clamping mechanism of fig. 5.
Fig. 10 is a front view of the present invention.
Fig. 11 is a schematic diagram of the use of the present invention.
Fig. 12 is a top view of a water pump housing.
Fig. 13 is a bottom view of the water pump housing.
Fig. 14 is a left side view of the water pump housing.
Fig. 15 is a right side view of the water pump housing.
Fig. 16 is a front view of a water pump housing.
Fig. 17 is a rear view of the water pump housing.
The specification reference numbers indicate: 1. an elastic V-shaped block; 2. a first main clamping mechanism; 201. a first platen; 202. a first side plate; 203. a second side plate; 3. a first hydraulic cylinder; 4. a second main clamping mechanism; 401. a second platen; 402. a third side plate; 403. a fourth side plate; 5. a second hydraulic cylinder; 6. a left-side pushing hydraulic cylinder; 7. an auxiliary clamping mechanism; 701. a third press plate; 702. a fifth side plate; 703. a sixth side plate; 8. a support cylinder; 9. a right V-shaped block; 10. a gasket; 11. a third hydraulic cylinder; 12. a fourth hydraulic cylinder; 13. a third main clamping mechanism; 1301. a third press plate; 1302. a seventh side plate; 1303. an eighth side plate; 14. a fifth lifting hydraulic cylinder; 15. a support pillar; 16. a base plate; 17. a water pump housing; 1701. a profiled body; 1701. a side edge; 1702. a notch; 1703. an arcuate edge; 1704. a vertical plate.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the utility model, and moreover, like reference numerals designate like elements throughout the embodiments.
Fig. 1 is a schematic structural view of the present invention, fig. 5 is a plan view of the present invention, and fig. 10 is a front view of the present invention. Referring to fig. 1, 5 and 10, a water pump housing processing tool includes
The base plate 16 has an origin at the center of the base plate 16, an x-axis as a horizontal line passing through the origin, and a y-axis as a vertical line passing through the origin.
And the first main clamping mechanism 2 is positioned in the negative direction of the x axis and used for pressing a water pump shell 17 and is connected with a piston rod of the first lifting hydraulic cylinder 3.
And a support column 15 vertically fixed to one side of the first main clamping mechanism 2 for supporting a water pump housing 17.
And the second main clamping mechanism 4 is positioned in the negative direction of the x axis and used for pressing a water pump shell 17 and is connected with a piston rod of the second lifting hydraulic cylinder 5.
And the third main clamping mechanism 13 is positioned in the positive direction of the x axis and used for pressing a water pump shell 17 and is connected with a piston rod of the fourth lifting hydraulic cylinder 12.
And the auxiliary clamping mechanism 7 is positioned in the positive direction of the x axis and used for pressing a water pump shell 17, and is connected with a piston rod of the third lifting hydraulic cylinder 11.
The positioning mechanism is positioned in the positive direction of the y axis and used for supporting the water pump shell 17, and comprises an elastic V-shaped block 1 and a fifth lifting hydraulic cylinder 14, and a piston rod of the fifth lifting hydraulic cylinder 14 is connected with the elastic V-shaped block 1.
And the supporting cylinder 8 is positioned in the positive direction of the x axis and positioned at one side of the auxiliary clamping mechanism 7 and is used for supporting a water pump shell 17.
The first lifting hydraulic cylinder 3, the second lifting hydraulic cylinder 5, the support cylinder 8, the third lifting hydraulic cylinder 11, the fourth lifting hydraulic cylinder 12 and the fifth lifting hydraulic cylinder 14 are all installed on the bottom plate 16.
Fig. 2 is an enlarged schematic view at a in fig. 1, and fig. 6 is an enlarged schematic view of the first main clamp mechanism in fig. 5. Referring to fig. 2 and 6, the first main clamping mechanism 2 includes a first pressing plate 201, a first side plate 202, and a second side plate 203. A first fixed seat is installed on an end cover of the first hydraulic cylinder 3, and the first side plate 202 and the second side plate 203 are respectively installed on the left side and the right side of the first pressing plate 201 and are connected with the first fixed seat through bolts.
Fig. 3 is an enlarged schematic view at B in fig. 1, and fig. 7 is an enlarged schematic view of the second main clamp mechanism in fig. 5. Referring to fig. 3 and 7, the second main clamp mechanism 4 includes a second pressing plate 401, a third side plate 402, and a fourth side plate 403. A second fixed seat is arranged on an end cover of the second lifting hydraulic cylinder 5, and a third side plate 402 and a fourth side plate 403 are respectively arranged on the left side and the right side of the second pressing plate 401 and are connected with the second fixed seat through bolts.
The second pressing plate 401 comprises a second head portion, a second transition portion and a second connecting portion which are integrally formed, a first included angle is formed between the central axis of the second head portion and the central axis of the second transition portion, the second transition portion and the second connecting portion are connected in a bending mode, and the second connecting portion is a set of clamping plates. The group of clamping plates of the second connecting portion clamps a piston rod of the second lifting hydraulic cylinder 5, and the piston rod of the second lifting hydraulic cylinder 5 stretches and retracts to drive the second pressing plate 401 to lift or fall.
Fig. 4 is an enlarged schematic view at C in fig. 1, and fig. 8 is an enlarged schematic view of the sub-clamping mechanism in fig. 5. Referring to fig. 4 and 7, the auxiliary clamp mechanism 7 includes a third pressing plate 701, a fifth side plate 702, and a sixth side plate 703. A third fixing seat is installed on an end cover of the third lifting hydraulic cylinder 11, and a fifth side plate 702 and a sixth side plate 703 are respectively installed on the left side and the right side of the third pressing plate 701 and are connected with the third fixing seat through bolts. Still include right side V type piece 9, right side V type piece 9 sets up in the one side of assisting clamp mechanism 7 for compress tightly water pump shell 17, and the back of right side V type piece 9 can set up gasket 10, and gasket 10 is used for adjusting the position of right side V type piece 9, in order to adapt to whole blank.
The third pressing plate 701 comprises a third head portion, a third transition portion and a third connecting portion which are integrally formed, a second included angle is formed between the central axis of the third head portion and the central axis of the third transition portion, the third transition portion and the third connecting portion are connected in a bending mode, and the third connecting portion is a group of clamping plates. A group of clamping plates of the third connecting portion clamps a piston rod of the third lifting hydraulic cylinder 11, and the piston rod of the third lifting hydraulic cylinder 11 stretches and retracts to drive the third pressing plate 701 to lift or fall.
Fig. 4 is an enlarged schematic view at C in fig. 1, and fig. 9 is an enlarged schematic view of the third main clamp mechanism in fig. 5. Referring to fig. 4 and 9, the third main clamping mechanism 13 includes a fourth pressing plate 1301, a seventh side plate 1302, and an eighth side plate 1303. A fourth fixed seat is installed on an end cover of the fourth hydraulic lifting cylinder 12, and a seventh side plate 1302 and an eighth side plate 1303 are respectively installed on the left side and the right side of the fourth pressing plate 1301 and are connected with the fourth fixed seat through bolts.
The fourth pressing plate 1301 comprises a fourth head portion, a fourth transition portion and a fourth connecting portion which are integrally formed, the fourth head portion is J-shaped, a third included angle is formed between the central axis of the fourth head portion and the central axis of the fourth transition portion, the fourth transition portion and the fourth connecting portion are connected in a bending mode, and the fourth connecting portion is a set of clamping plates. A group of clamping plates of the fourth connecting portion clamp a piston rod of the fourth hydraulic lifting cylinder 12, and the piston rod of the fourth hydraulic lifting cylinder 12 stretches and retracts to drive the fourth pressing plate 1301 to lift or fall.
The water pump shell machining tool further comprises a left side pushing hydraulic cylinder 6 located in the negative direction of the x axis, and the axis where the piston rod of the left side pushing hydraulic cylinder 6 is located and the axis where the piston rod of the second lifting hydraulic cylinder 5 is located intersect at one point and are perpendicular to each other.
Fig. 11 is a schematic diagram of the use of the present invention. As shown in fig. 11, the working principle of the present invention is as follows:
after an operator places the water pump shell 17 on the processing tool, the piston rod of the hydraulic cylinder 6 is pushed to extend to tightly abut against the water pump shell 17 on the left side, the first main clamping mechanism 2, the second main clamping mechanism 4 and the third main clamping mechanism 13 press the special-shaped body 1701 of the water pump shell 17 tightly, the piston rod of the supporting cylinder 8 is ejected out to support the water pump shell 17, and the auxiliary clamping mechanism 7 further presses the water pump shell 17 tightly.
By utilizing the right side semi-cylindrical characteristic of the water pump shell 17 and using the adjustable right side V-shaped block 9, the reasonable position is determined through multi-batch blank test, and the positioning requirements of all blanks are met.
The water pump shell 17 is guided and positioned by utilizing the conical characteristic of the head of the water pump shell 17 and the liftable elastic V-shaped block 1.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. The utility model provides a water pump shell processing frock which characterized in that: comprises that
A base plate (16) having a center of the base plate (16) as an origin, a horizontal line passing through the origin being an x-axis, and a vertical line passing through the origin being a y-axis;
the first main clamping mechanism (2) is positioned in the negative direction of the x axis and used for pressing a water pump shell (17) and is connected with a piston rod of the first lifting hydraulic cylinder (3);
the second main clamping mechanism (4) is positioned in the negative direction of the x axis and used for pressing a water pump shell (17) and is connected with a piston rod of the second lifting hydraulic cylinder (5);
the third main clamping mechanism (13) is positioned in the positive direction of the x axis, is used for pressing a water pump shell (17) and is connected with a piston rod of the fourth lifting hydraulic cylinder (12);
the auxiliary clamping mechanism (7) is positioned in the positive direction of the x axis, is used for pressing a water pump shell (17) and is connected with a piston rod of the third lifting hydraulic cylinder (11);
the positioning mechanism is positioned in the positive direction of the y axis and used for supporting a water pump shell (17), and comprises an elastic V-shaped block (1) and a fifth lifting hydraulic cylinder (14), wherein a piston rod of the fifth lifting hydraulic cylinder (14) is connected with the elastic V-shaped block (1);
the supporting cylinder (8) is positioned in the positive direction of the x axis and positioned on one side of the auxiliary clamping mechanism (7) and is used for supporting a water pump shell (17);
the first lifting hydraulic cylinder (3), the second lifting hydraulic cylinder (5), the support cylinder (8), the third lifting hydraulic cylinder (11), the fourth lifting hydraulic cylinder (12) and the fifth lifting hydraulic cylinder (14) are all installed on the bottom plate (16).
2. The water pump housing processing tool according to claim 1, wherein: the first main clamping mechanism (2) comprises a first pressing plate (201), a first side plate (202) and a second side plate (203); a first fixing seat is installed on an end cover of the first lifting hydraulic cylinder (3), and the first side plate (202) and the second side plate (203) are installed on the left side and the right side of the first pressing plate (201) respectively and are connected with the first fixing seat through bolts.
3. The water pump housing processing tool according to claim 2, wherein: the first pressing plate (201) comprises a first head portion, a first transition portion and a first connecting portion which are integrally formed, the central axis of the first head portion and the central axis of the first transition portion are on the same straight line, the first transition portion and the first connecting portion are connected in a bending mode, and the first connecting portion is a group of clamping plates.
4. The water pump housing processing tool according to claim 1, wherein: the second main clamping mechanism (4) comprises a second pressing plate (401), a third side plate (402) and a fourth side plate (403); a second fixed seat is installed on an end cover of the second lifting hydraulic cylinder (5), and the third side plate (402) and the fourth side plate (403) are respectively installed on the left side and the right side of the second pressing plate (401) and are connected with the second fixed seat through bolts.
5. The water pump housing processing tool according to claim 4, wherein: the second clamp plate (401) comprises a second head portion, a second transition portion and a second connecting portion which are integrally formed, a first included angle is formed between the central axis of the second head portion and the central axis of the second transition portion, the second transition portion is connected with the second connecting portion in a bending mode, and the second connecting portion is a set of clamping plates.
6. The water pump housing processing tool according to claim 1, wherein: the auxiliary clamping mechanism (7) comprises a third pressing plate (701), a fifth side plate (702) and a sixth side plate (703); a third fixing seat is installed on an end cover of the third lifting hydraulic cylinder (11), and the fifth side plate (702) and the sixth side plate (703) are respectively installed on the left side and the right side of the third pressing plate (701) and are connected with the third fixing seat through bolts; still include right side V type piece (9), right side V type piece (9) set up assist one side of pressing from both sides mechanism (7) for compress tightly water pump shell (17).
7. The water pump housing processing tool according to claim 6, wherein: the third pressing plate (701) comprises a third head portion, a third transition portion and a third connecting portion which are integrally formed, a second included angle is formed between the central axis of the third head portion and the central axis of the third transition portion, the third transition portion and the third connecting portion are connected in a bending mode, and the third connecting portion is a group of clamping plates.
8. The water pump housing processing tool according to claim 1, wherein: the third main clamping mechanism (13) comprises a fourth pressure plate (1301), a seventh side plate (1302) and an eighth side plate (1303); a fourth fixed seat is installed on an end cover of the fourth lifting hydraulic cylinder (12), and the seventh side plate (1302) and the eighth side plate (1303) are respectively installed on the left side and the right side of the fourth pressing plate (1301) and are connected with the fourth fixed seat through bolts.
9. The water pump housing processing tool according to claim 8, wherein: the fourth pressing plate (1301) comprises a fourth head portion, a fourth transition portion and a fourth connecting portion which are integrally formed, the fourth head portion is J-shaped, a third included angle is formed between the central axis of the fourth head portion and the central axis of the fourth transition portion, the fourth transition portion is connected with the fourth connecting portion in a bending mode, and the fourth connecting portion is a group of clamping plates.
10. The water pump housing processing tool according to claim 1, wherein: the X-axis lifting mechanism further comprises a left-side pushing hydraulic cylinder (6) which is located in the negative direction of the X-axis, and the axis of the piston rod of the left-side pushing hydraulic cylinder (6) is intersected with the axis of the piston rod of the second lifting hydraulic cylinder (5) at one point and is perpendicular to the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122168541.3U CN216151804U (en) | 2021-09-08 | 2021-09-08 | Water pump shell processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122168541.3U CN216151804U (en) | 2021-09-08 | 2021-09-08 | Water pump shell processing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216151804U true CN216151804U (en) | 2022-04-01 |
Family
ID=80847255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122168541.3U Active CN216151804U (en) | 2021-09-08 | 2021-09-08 | Water pump shell processing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216151804U (en) |
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2021
- 2021-09-08 CN CN202122168541.3U patent/CN216151804U/en active Active
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