CN210886139U - Tool for reducing heat treatment deformation of control piston - Google Patents
Tool for reducing heat treatment deformation of control piston Download PDFInfo
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- CN210886139U CN210886139U CN201921625561.5U CN201921625561U CN210886139U CN 210886139 U CN210886139 U CN 210886139U CN 201921625561 U CN201921625561 U CN 201921625561U CN 210886139 U CN210886139 U CN 210886139U
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- orifice plate
- connecting rod
- control piston
- heat treatment
- plate
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Abstract
The utility model discloses a tooling appliance for reducing the heat treatment deformation of a control piston, which is provided with a basket frame, a support column, an upper orifice plate, a lower orifice plate, a connecting rod and a fixing nut; the support columns are connected to the bottom of the basket frame, and the height of the support columns is lower than that of the basket frame; the upper orifice plate is connected to the upper part of the support column, the lower orifice plate is connected to the lower part of the support column, and a preset distance interval is formed between the upper orifice plate and the lower orifice plate; the connecting rod penetrates through the upper orifice plate and the lower orifice plate, the top of the connecting rod extends out of the upper end face of the upper orifice plate, and the lower part of the connecting rod extends out of the lower end face of the lower orifice plate; the fixing nut is connected at the tail end of the connecting rod, and the connecting rod is limited between the upper hole plate and the lower hole plate through the fixing nut. The utility model discloses the use can make the work piece naturally perpendicular, and the four sides does not receive external force to influence, has reduced the deformation that the work piece arouses at the clamping in-process, and the operation is got up very swiftly, convenient, improves control piston's production quality, very big improvement thermal treatment efficiency, reduced the wasting of resources.
Description
Technical Field
The utility model relates to a reduce frock utensil that control piston thermal treatment warp belongs to automobile parts technical field.
Background
The common rail valve component is a key precision component on a national five-common rail fuel injector of diesel engine fuel system, and the quality of the common rail valve component directly influences the working quality of a diesel engine. The control piston heat treatment deformation is a phenomenon commonly existing in the heat treatment industry, a plurality of control pistons are scrapped due to the heat treatment deformation, so that large economic losses are caused to countries and companies, the heat treatment deformation of the control pistons is difficult to avoid, the deformation degree is reduced, and the deformation is controlled well.
In actual production, long and thin parts with high requirements on controlling piston hardness and strict deformation requirements are often encountered, and the long and thin parts are extremely easy to deform after quenching and have large deformation amount. In the prior heat treatment scheme, the control piston is flatly laid in a heat treatment basket, the method is simple and easy to operate, but the control piston after heat treatment is easy to deform, and the deformation amount is large; a small number of binding and clustering methods are adopted, and the method is difficult to operate, easy to generate hardness nonuniformity and always has the problem of large deformation.
In view of the above, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide a reduce frock utensil that control piston thermal treatment warp, can make the work piece nature perpendicular, the four sides does not receive external force to influence, prevents that control piston from warping, improves control piston's production quality.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a tooling device for reducing heat treatment deformation of a control piston comprises a basket frame, support columns, an upper orifice plate, a lower orifice plate, connecting rods and fixing nuts; the supporting columns are connected to the bottom of the basket frame, and the height of the supporting columns is lower than that of the basket frame; the upper pore plate is connected to the upper part of the support column, the lower pore plate is connected to the lower part of the support column, and a preset distance interval is formed between the upper pore plate and the lower pore plate; the connecting rod penetrates through the upper orifice plate and the lower orifice plate, the top of the connecting rod extends out of the upper end face of the upper orifice plate, and the lower part of the connecting rod extends out of the lower end face of the lower orifice plate; the fixing nut is connected at the tail end of the connecting rod, and the fixing nut limits the connecting rod between the upper hole plate and the lower hole plate.
As a preferred scheme for reducing the tooling device for controlling the heat treatment deformation of the piston, the number of the support columns is two, the two support columns are positioned on two sides of the center of the bottom of the basket frame, the outer diameter of the upper part of each support column is smaller than the outer diameter of the lower part of each support column, so that the reducing positions form placing parts, and the lower hole plate is placed at the upper ends of the placing parts.
As a preferable scheme of the tooling device for reducing the heat treatment deformation of the control piston, the number of the connecting rods is seven, six connecting rods are arranged in a rectangular mode, and one connecting rod is located in the center of a rectangular area formed by the six connecting rods.
As an optimal scheme for reducing the heat treatment deformation of the control piston, the outer diameters of the two ends of the connecting rod are smaller than the outer diameter of the middle part of the connecting rod, external threads are arranged at the two ends of the connecting rod, and the connecting rod is connected with the fixing nut through the external threads.
As a preferable scheme of the tooling device for reducing the heat treatment deformation of the control piston, the upper orifice plate and the lower orifice plate are respectively provided with jacks aligned up and down.
As a preferable scheme of the tool for reducing the heat treatment deformation of the control piston, the caliber of the jack on the upper orifice plate is larger than that of the jack on the lower orifice plate.
As a preferable scheme of the tool for reducing the heat treatment deformation of the control piston, a gap is arranged between the edges of the upper orifice plate and the lower orifice plate and the inner wall of the basket frame.
The utility model is provided with a basket frame, a support column, an upper orifice plate, a lower orifice plate, a connecting rod and a fixing nut; the support columns are connected to the bottom of the basket frame, and the height of the support columns is lower than that of the basket frame; the upper orifice plate is connected to the upper part of the support column, the lower orifice plate is connected to the lower part of the support column, and a preset distance interval is formed between the upper orifice plate and the lower orifice plate; the connecting rod penetrates through the upper orifice plate and the lower orifice plate, the top of the connecting rod extends out of the upper end face of the upper orifice plate, and the lower part of the connecting rod extends out of the lower end face of the lower orifice plate; the fixing nut is connected at the tail end of the connecting rod, and the connecting rod is limited between the upper hole plate and the lower hole plate through the fixing nut. The utility model discloses the use can make the work piece naturally perpendicular, and the four sides does not receive external force to influence, has reduced the deformation that the work piece arouses at the clamping in-process, and the operation is got up very swiftly, convenient, improves control piston's production quality, very big improvement thermal treatment efficiency, reduced the wasting of resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of a tooling device for reducing heat treatment deformation of a control piston according to an embodiment of the present invention;
fig. 2 is a schematic top view of an upper orifice plate or a lower orifice plate according to an embodiment of the present invention.
In the figure, 1, a basket frame; 2. a support pillar; 3. an upper orifice plate; 4. a lower orifice plate; 5. a connecting rod; 6. fixing a nut; 7. a jack; 8. a placing part.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, a tooling device for reducing heat treatment deformation of a control piston is provided, which comprises a basket frame 1, support columns 2, an upper orifice plate 3, a lower orifice plate 4, a connecting rod 5 and a fixing nut 6; the support columns 2 are connected to the bottoms of the baskets 1, and the heights of the support columns 2 are lower than that of the baskets 1; the upper orifice plate 3 is connected to the upper part of the support column 2, the lower orifice plate 4 is connected to the lower part of the support column 2, a preset distance interval is formed between the upper orifice plate 3 and the lower orifice plate 4, and the interval distance is determined according to the specific size of the control piston; the connecting rod 5 penetrates through the upper orifice plate 3 and the lower orifice plate 4, the top of the connecting rod 5 extends out of the upper end face of the upper orifice plate 3, and the lower part of the connecting rod 5 extends out of the lower end face of the lower orifice plate 4; and the fixing nut 6 is connected to the tail end of the connecting rod 5, and the fixing nut 6 limits the connecting rod 5 between the upper orifice plate 3 and the lower orifice plate 4.
In one embodiment of the tooling device for reducing heat treatment deformation of the control piston, the number of the support columns 2 is two, the two support columns 2 are positioned at two sides of the center of the bottom of the basket frame 1, the outer diameter of the upper parts of the support columns 2 is smaller than that of the lower parts of the support columns 2, so that the reducing positions form a placing part 8, and the lower hole plate 4 is placed at the upper end of the placing part 8. Support column 2 is in 1 central both sides of basket frame to be the symmetric distribution, guarantee that the focus of whole frock utensil is located the geometric center, prevent that the atress is inhomogeneous after upper orifice plate 3 and lower orifice plate 4 are inserted full control piston, avoid control piston's lateral part atress. In addition, the placing part 8 supports the lower orifice plate 4 to avoid contacting with the bottom of the basket frame 1, so that the bottom of the control piston does not contact with the bottom of the basket frame 1 after the control piston is placed.
In an embodiment of the tooling device for reducing the heat treatment deformation of the control piston, the number of the connecting rods 5 is seven, six connecting rods 5 are arranged in a rectangular shape, and one connecting rod 5 is positioned in the center of a rectangular area formed by the six connecting rods 5. Similarly, the layout of the connecting rod 5 ensures that the gravity center of the whole tooling device is positioned at the geometric center, and the uneven stress after the upper orifice plate 3 and the lower orifice plate 4 are fully inserted with the control piston is prevented.
In one embodiment of the tooling device for reducing the heat treatment deformation of the control piston, the outer diameters of the two ends of the connecting rod 5 are smaller than the outer diameter of the middle part of the connecting rod 5, the two ends of the connecting rod 5 are provided with external threads, and the connecting rod 5 is connected with the fixing nut 6 through the external threads. The external diameter at the middle part of connecting rod 5 is great to in the assembly process, can only insert last orifice plate 3 with the one end of connecting rod 5 earlier, then insert lower orifice plate 4 with the other one end of connecting rod 5, and connecting rod 5 can't directly pass through in proper order last orifice plate 3 and lower orifice plate 4, guarantee the stability of the spacing distance between last orifice plate 3 and the lower orifice plate 4, avoid equally control piston clamping process atress uneven with.
In one embodiment of the tooling device for reducing heat treatment deformation of the control piston, the upper orifice plate 3 and the lower orifice plate 4 are respectively provided with inserting holes 7 which are aligned up and down. The caliber of the jack 7 on the upper orifice plate 3 is larger than the caliber of the jack 7 on the lower orifice plate 4. It is achieved that the control piston can be inserted directly through the upper orifice plate 3 into the lower orifice plate 4, but cannot pass through the lower orifice plate 4.
In one embodiment of the tooling device for reducing heat treatment deformation of the control piston, a gap is arranged between the edges of the upper orifice plate 3 and the lower orifice plate 4 and the inner wall of the basket frame 1. The upper orifice plate 3 and the lower orifice plate 4 are prevented from being deformed by the external force of the basket frame 1.
The utility model is provided with a basket frame 1, a support column 2, an upper orifice plate 3, a lower orifice plate 4, a connecting rod 5 and a fixing nut 6; the support column 2 is connected to the bottom of the basket frame 1, and the height of the support column 2 is lower than that of the basket frame 1; the upper orifice plate 3 is connected to the upper part of the support column 2, the lower orifice plate 4 is connected to the lower part of the support column 2, and a preset distance interval is formed between the upper orifice plate 3 and the lower orifice plate 4; the connecting rod 5 penetrates through the upper orifice plate 3 and the lower orifice plate 4, the top of the connecting rod 5 extends out of the upper end face of the upper orifice plate 3, and the lower part of the connecting rod 5 extends out of the lower end face of the lower orifice plate 4; fixing nut 6 is connected at the end of connecting rod 5, and fixing nut 6 is spacing connecting rod 5 between upper orifice plate 3 and lower orifice plate 4. The material is W6Mo5Cr4V2 parts with the diameter phi of 4.6mm and the length of 120mm as an example, the parts are processed by a bar material, a blank cutter with the diameter phi of 3mm is left in the middle, the technical requirements are that the hardness is HRC 60-64, and the deformation is 0.2 max. For the control piston, the aperture of an upper orifice plate 3 is about phi 6mm, the aperture of a lower orifice plate 4 is about phi 3.5mm, the control piston is inserted into a jack 7 corresponding to the upper orifice plate 3 and the lower orifice plate 4 one by one, about 1000 pieces can be loaded into each tool, 12 tools can be fed into a heat treatment furnace once, the total number of the pistons is about 12000 pieces for once heat treatment control, the work piece can be naturally vertical in the using process, the four sides are not influenced by external force, the deformation of the work piece in the clamping process is reduced, the operation is very quick and convenient, the production quality of the control piston is improved, the heat treatment efficiency is greatly improved, and the resource waste is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A tooling device for reducing heat treatment deformation of a control piston is characterized by comprising a basket frame (1), support columns (2), an upper pore plate (3), a lower pore plate (4), a connecting rod (5) and a fixing nut (6); the supporting columns (2) are connected to the bottom of the basket frame (1), and the height of the supporting columns (2) is lower than that of the basket frame (1); the upper pore plate (3) is connected to the upper part of the support column (2), the lower pore plate (4) is connected to the lower part of the support column (2), and a preset distance interval is formed between the upper pore plate (3) and the lower pore plate (4); the connecting rod (5) penetrates through the upper orifice plate (3) and the lower orifice plate (4), the top of the connecting rod (5) extends out of the upper end face of the upper orifice plate (3), and the lower part of the connecting rod (5) extends out of the lower end face of the lower orifice plate (4); and the fixing nut (6) is connected to the tail end of the connecting rod (5), and the fixing nut (6) limits the connecting rod (5) between the upper pore plate (3) and the lower pore plate (4).
2. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, characterized in that the number of the support columns (2) is two, the two support columns (2) are positioned at two sides of the center of the bottom of the basket frame (1), the outer diameter of the upper part of each support column (2) is smaller than that of the lower part of each support column (2), so that the diameter-variable position forms a placing part (8), and the lower hole plate (4) is placed at the upper end of the placing part (8).
3. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, wherein the number of the connecting rods (5) is seven, six connecting rods (5) are arranged in a rectangular shape, and one connecting rod (5) is positioned at the center of a rectangular area formed by the six connecting rods (5).
4. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, wherein the outer diameters of the two ends of the connecting rod (5) are smaller than the outer diameter of the middle part of the connecting rod (5), external threads are arranged at the two ends of the connecting rod (5), and the connecting rod (5) is connected with the fixing nut (6) through the external threads.
5. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, wherein the upper orifice plate (3) and the lower orifice plate (4) are respectively provided with inserting holes (7) which are aligned up and down.
6. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, wherein the caliber of the insertion hole (7) on the upper orifice plate (3) is larger than the caliber of the insertion hole (7) on the lower orifice plate (4).
7. The tooling device for reducing the heat treatment deformation of the control piston according to claim 1, wherein a gap is arranged between the edges of the upper orifice plate (3) and the lower orifice plate (4) and the inner wall of the basket frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625561.5U CN210886139U (en) | 2019-09-27 | 2019-09-27 | Tool for reducing heat treatment deformation of control piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625561.5U CN210886139U (en) | 2019-09-27 | 2019-09-27 | Tool for reducing heat treatment deformation of control piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210886139U true CN210886139U (en) | 2020-06-30 |
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ID=71337964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921625561.5U Active CN210886139U (en) | 2019-09-27 | 2019-09-27 | Tool for reducing heat treatment deformation of control piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210886139U (en) |
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2019
- 2019-09-27 CN CN201921625561.5U patent/CN210886139U/en active Active
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