CN210360443U - Oblique oilhole processing frock of piston skirt portion - Google Patents
Oblique oilhole processing frock of piston skirt portion Download PDFInfo
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- CN210360443U CN210360443U CN201921109117.8U CN201921109117U CN210360443U CN 210360443 U CN210360443 U CN 210360443U CN 201921109117 U CN201921109117 U CN 201921109117U CN 210360443 U CN210360443 U CN 210360443U
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Abstract
The utility model discloses an oblique oilhole processing frock of piston skirt portion, including the support body, be provided with the first tilt support board that is used for supporting the piston on the support body, be provided with the location portion that is used for piston location in the first tilt support board, still be provided with the inner chamber that is used for stretching into the piston in the first tilt support board, can open and closable's pawl portion, pawl portion with be used for driving the pawl portion and open or closed power portion is connected. When the piston is not placed in first slope backup pad, the jack catch portion is in the closure state, make things convenient for the jack catch portion to stretch into the inner chamber of piston, later power portion drives the jack catch portion and opens, so that the jack catch portion can offset in the inner chamber wall of piston, the piston is fixed to the chucking, later carry out oblique oilhole processing to the piston, whole process operation is simple and convenient, can satisfy the requirement of oblique oilhole processing, can realize the quick location and the tight fixing of clamp of piston through this oblique oilhole processing frock of piston skirt portion, satisfy special technology production requirement, moreover, the manufacturing cost is lower, therefore, the practicality is stronger.
Description
Technical Field
The utility model relates to a piston processing technology field, more specifically say, relate to an oblique oilhole processing frock of piston skirt portion.
Background
The piston is the core component of the engine, which is the most hostile working environment and is subject to alternating mechanical and thermal loads. Compared with the traditional material piston, the steel piston has higher high temperature and high pressure resistance and higher explosion pressure, and can reach increasingly severe national automobile exhaust emission standards. I company is currently primarily producing steel freight car pistons. In order to better promote the heat dissipation of the piston, a product of our company is designed with an inclined oil hole so as to accelerate the circulation speed of cooling oil in a cooling oil duct in the piston, thereby improving the heat dissipation characteristic and prolonging the service life of the piston. But there is not a frock clamp can satisfy the processing of oblique oilhole among the prior art.
In summary, how to provide a tool for machining an oblique oil hole in a piston skirt portion, which can realize the machining of the oblique oil hole in the piston, is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an oblique oilhole processing frock of piston skirt portion can realize the quick location of piston and press from both sides tight fixedly, satisfies special technology production requirement.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an oblique oilhole processing frock of piston skirt portion, includes the support body, be provided with the first inclined supporting plate that is used for supporting the piston on the support body, be provided with the location portion that is used for piston location in the first inclined supporting plate, still be provided with the inner chamber that is used for stretching into the piston in the first inclined supporting plate, can open and closable's jack catch portion, jack catch portion with be used for driving jack catch portion opens or closed power portion is connected.
Preferably, the jack catch portion includes first jack catch and the second jack catch that the direction of rotation is opposite, first jack catch with the bottom of second jack catch is rotated and is connected, just first jack catch with the second jack catch sets up in the trompil of guide post, the guide post with the bottom surface of first slope backup pad is connected, first jack catch with be provided with corresponding guide way on the second jack catch respectively, be provided with on the guide post with guide way accordant connection's first round pin axle, work as power portion stimulates downwards first jack catch with during the second jack catch, first jack catch with the second jack catch is followed the guide way removes the inner chamber wall in order to open the chucking piston.
Preferably, first jack catch is single first jack catch board, the second jack catch is two second jack catch boards that are connected, and two be provided with the clearance between the second jack catch board, first jack catch board assemble in the clearance, just first jack catch board and two the bottom of second jack catch board is provided with assorted second pinhole, so that first jack catch board with the second jack catch board passes through second round pin hub connection.
Preferably, the guide post is coupled to a bottom surface of the first inclined support plate by a bolt.
Preferably, the power part is an oil cylinder, and the oil cylinder is connected with the second pin shaft through a pull rod.
Preferably, the guide column is a circular column, and the opening is a square through hole penetrating through the circular column along the axial direction of the circular column.
Preferably, the positioning part comprises a reference block, and at least four orientation columns for contacting with the inner cavity wall of the piston to position the piston and reference block openings for the clamping claw parts to pass through are arranged on the reference block.
Preferably, the orientation post is the toper cylinder of from top to bottom convergent, the benchmark piece pass through the elastic component with the top surface of circular cylinder is connected, be provided with on the first inclined support board and be used for placing the square groove of benchmark piece works as behind the toper cylinder location piston, the benchmark piece compresses under the gravity of piston the elastic component moves down to make the bottom terminal surface of piston with first inclined support board is hugged closely.
Preferably, the support body is including being used for the bottom plate be connected with the workstation, be provided with on the bottom plate and be used for placing the second inclined support board of hydro-cylinder, still be provided with on the bottom plate and be used for connecting the vertical support board of first inclined support board.
Preferably, the first inclined support plate is provided with a chip groove for discharging chips generated by machining.
The utility model provides an oblique oilhole processing frock of piston skirt portion, including the support body, be provided with the first tilt support board that is used for supporting the piston on the support body, be provided with the location portion that is used for piston location in the first tilt support board, still be provided with the inner chamber that is used for stretching into the piston on the first tilt support board, can open and closable's pawl portion, pawl portion with be used for driving pawl portion and open or closed power portion is connected.
The support body is used for supporting and installing a carrier of components such as a first inclined support plate, a positioning part and the like, the first inclined support plate is arranged in an inclined mode, so that the piston is fixed and inclined at a certain angle, the axis of a processing drill bit coincides with the axis of an inclined oil hole, processing is convenient, the piston is positioned in an inclined state through the positioning part, when the piston is not placed on the first inclined support plate, the clamping claw part is in a closed state, the clamping claw part conveniently extends into an inner cavity of the piston, then the power part drives the clamping claw part to move towards an opening direction, so that the clamping claw part can be abutted against the inner cavity wall of the piston, the piston is clamped and fixed, then the inclined oil hole processing is carried out on the piston, the whole process is simple and convenient to operate, the requirements of the inclined oil hole processing can be met, the quick positioning and clamping fixing of the piston can be realized through the, and the manufacturing cost is lower, and the practicality is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the piston skirt oblique oil hole machining tool provided by the present invention;
fig. 2 is a schematic structural view of a first inclined support plate provided in the present invention;
fig. 3 is a schematic structural view of the guide post provided by the present invention;
fig. 4 is a schematic structural view of a first jaw plate provided in the present invention;
fig. 5 is a schematic structural view of the second jaw plate provided by the present invention:
fig. 6 is a schematic structural diagram of the reference plate provided by the present invention.
In FIGS. 1-6:
the structure comprises a base plate 1, a first inclined support plate 2, a square groove 21, a rib plate 3, a guide column 4, a square through hole 41, a pull rod 5, a first jaw plate 6, a guide groove 61, a second pin hole 62, a second jaw plate 7, a reference block 8, an orientation column threaded hole 81, an orientation column 9 and an oil cylinder 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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.
The core of the utility model is to provide an oblique oilhole processing frock of piston skirt portion, can realize the quick location of piston and press from both sides tight fixed, satisfy special technology production requirement.
Referring to fig. 1 to 6, fig. 1 is a schematic structural view of a piston skirt oblique oil hole machining tool provided by the present invention; fig. 2 is a schematic structural view of a first inclined support plate provided in the present invention; fig. 3 is a schematic structural view of the guide post provided by the present invention; fig. 4 is a schematic structural view of a first jaw plate provided in the present invention; fig. 5 is a schematic structural view of the second jaw plate provided by the present invention: fig. 6 is a schematic structural diagram of the reference plate provided by the present invention.
The utility model provides an oblique oilhole processing frock of piston skirt portion, including the support body, be provided with the first inclined supporting plate 2 that is used for supporting the piston on the support body, be provided with the location portion that is used for piston location on the first inclined supporting plate 2, still be provided with the inner chamber that is used for stretching into the piston on the first inclined supporting plate 2, can open and closable's pawl portion, pawl portion with be used for driving pawl portion and open or closed power portion is connected.
The frame body is a carrier which is used for being connected and fixed with the workbench and installing the first inclined support plate 2, the clamping claw part and other components, and preferably, the piston machining part in the embodiment is characterized in that the central axis of the inclined oil hole and the axis of a product form an angle of 45.5 degrees and the diameter of the inclined oil hole is 6 +/-0.3 mm. The position of the part is very special and passes through the inner cooling oil duct. Through simulation, if the inclined oil hole is machined from the upper end face direction of the skirt oil passage, the edge of the oil passage interferes and damages the machined oil passage. Therefore, it is considered that the machining is performed only from the direction of the skirt portion inner cavity, and therefore, when the skirt portion piston is set, the skirt portion end face is required to be directed downward, and the inner cavity is required to be set upward on the first inclined support plate 2.
It should be noted that the first inclined support plate 2 is arranged on the frame body, and the specific inclination angle needs to be selected according to the position of the inclined oil hole to be processed and the position of the processing drill bit, so that the piston is obliquely placed on the first inclined support plate 2, and the axis of the processing drill bit coincides with the axis of the inclined oil hole, thereby facilitating the processing.
Meanwhile, in order to ensure that the inclined oil hole is opposite to the processing drill bit after the piston is fixed on the first inclined support plate 2, a positioning part is arranged on the first inclined support plate 2 to fix and position the piston, and positioning pins, bolts and other parts can be adopted.
The clamping claw parts can be opened and closed, namely, the clamping claws can move in opposite directions or in directions away from each other, namely, opening action is realized, the clamping claw parts can tightly support the inner cavity wall of the piston when being opened, namely, the clamping claw parts abut against the inner cavity wall, the piston is fixed on the first inclined supporting plate 2, and the clamping claw parts are closed, namely, the clamping claw parts shrink together, so that the occupied volume is reduced, and the clamping claw parts can conveniently extend into the inner cavity of the piston. The power part is used for providing power for the opening or closing action of the clamping claw part, and a power device such as an air cylinder, an oil cylinder 10 and the like can be adopted.
During the use, when the piston was not placed on first slope backup pad 2, power portion control card claw is in the closure state, with the piston suit on the jack catch portion, and fix a position the piston through the locating part, later control power portion drives the jack catch portion and removes to open direction, so that the jack catch portion can offset in the inner chamber wall of piston, the piston is fixed to the chucking, carry out oblique oilhole processing to the piston again at last, whole process operation is simple and convenient, can satisfy the requirement of oblique oilhole processing, can realize the quick location and the clamp of piston through this oblique oilhole processing frock of piston skirt portion and fix, satisfy special technology production requirement, moreover, manufacturing cost is lower, the practicality is stronger.
In a specific implementation mode about the clamping jaw part, the clamping jaw part comprises a first clamping jaw and a second clamping jaw which rotate in opposite directions, the bottoms of the first clamping jaw and the second clamping jaw are connected in a rotating mode, the first clamping jaw and the second clamping jaw are arranged in an opening of a guide column 4, the guide column 4 is connected with the bottom surface of a first inclined support plate 2, corresponding guide grooves 61 are respectively arranged on the first clamping jaw and the second clamping jaw, a first pin shaft which is connected with the guide grooves 61 in a matched mode is arranged on the guide column 4, and when a power part pulls the first clamping jaw and the second clamping jaw downwards, the first clamping jaw and the second clamping jaw move along the guide grooves 61 to open the inner cavity wall of a clamping piston.
Wherein, the moving directions of the first jaw and the second jaw are opposite, for example, when the power part controls the jaw part to open, the first jaw rotates to the left and the second jaw rotates to the right, the first jaw is contacted with the wall body at the left side of the inner cavity of the piston, the second jaw is contacted with the wall body at the right side of the inner cavity of the piston, the acting forces of the first jaw and the second jaw on the inner cavity wall of the piston are balanced mutually to fix the piston, the first jaw and the second jaw are arranged in the open hole of the guide post 4, specifically, a part of the first jaw and the second jaw is arranged in the open hole, and a part of the first jaw and the second jaw needs to extend out of the open hole and is contacted with the inner cavity wall of the piston, preferably, the first jaw and the second jaw are both provided with arc-shaped bulges used for contacting with the inner cavity wall of the piston, the stability of fixing the piston is ensured, the bottoms of the first jaw and the second, interference of the connecting shafts connected by rotation of the first clamping jaw and the second clamping jaw is avoided, meanwhile, in order to guarantee stability of the first clamping jaw and the second clamping jaw when the clamping jaw is used, the first clamping jaw and the second clamping jaw are arranged in the opening of the guide post 4, the rotation range of the first clamping jaw and the rotation range of the second clamping jaw are limited through the guide post 4, and stability of the clamping jaw is improved.
In addition, the guide post 4 is connected with the bottom surface of the first inclined support plate 2, corresponding threaded holes can be formed in the guide post 4 and the first inclined support plate 2, the guide post and the first inclined support plate are connected through bolts, and therefore the guide post and the first inclined support plate are convenient to detach or replace.
It should be noted that, in this embodiment, it is required to realize that when the power part pulls the first jaw and the second jaw downwards, the first jaw and the second jaw move along the guide groove 61 to open the inner cavity wall of the clamping piston, therefore, it is required to respectively provide the guide groove 61 on the first jaw and the second jaw, and provide the first pin shaft matched and connected with the guide groove 61 on the guide post 4, the first pin shaft limits the first jaw and the second jaw to move along the track of the guide groove 61, and the shape of the guide groove 61 is set to satisfy that when the power part pulls the first jaw and the second jaw downwards, the first jaw and the second jaw open the inner cavity wall of the clamping piston, similarly, when the power part pushes the first jaw and the second jaw upwards, the two jaws are closed, of course, the matching movement mode of the power part and the jaw part is not limited to the above mode, and may also be set to be set as when the power part pulls downwards, the clamping claw part is closed, and when the power part pushes up, the clamping claw part is opened.
On the basis of the above-mentioned specific embodiment, the first jaw is a single first jaw plate 6, the second jaw is two connected second jaw plates 7, a gap is provided between the two second jaw plates 7, the first jaw plate 6 is assembled in the gap, and the bottoms of the first jaw plate 6 and the two second jaw plates 7 are provided with matched second pin holes 62, so that the first jaw plate 6 is connected with the second jaw plates 7 through the second pin shaft.
Wherein, the two second claw plates 7 can be of an integrated structure and can also be connected by gluing and the like, the first claw plate 6 is assembled in the gap between the two second claw plates 7, the space is saved, the two second claw plates 7 can increase the fixed acting force to the piston, and simultaneously, since the bottom of the first jaw plate 6 and the two second jaw plates 7 are provided with matching second pin holes 62, by means of the second pin connection, and the directions of rotation of the two are opposite, so that the first jaw plate 6 is not integrally fixed in the gap, but only a portion of the bottom near the second pin hole 62 is located in the gap, secondly, because the oblique oilhole that needs the processing is located the inner chamber bottom of piston, set up the clearance between two second jack catch boards 7 and also be convenient for processing the drill bit and pass the clearance and process oblique oilhole, avoid processing the drill bit and take place to interfere with first jack catch board 6 or second jack catch board 7.
In one embodiment of the power section, the power section is a cylinder 10, and the cylinder 10 is connected to the second pin by a pull rod 5.
The cylinder 10 is an actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical power systems. The output force of the oil cylinder 10 is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston; the cylinder 10 is basically composed of a cylinder tube and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary. The piston rod of the oil cylinder 10 can be connected with the pull rod 5, or the piston rod can be directly connected with the second pin shaft.
In one embodiment of the guide post 4, the guide post 4 is a circular cylinder, and the hole is a square through hole 41 penetrating through the circular cylinder in the axial direction of the circular cylinder.
It will be appreciated that the length of the square through hole 41 determines the maximum angle at which the jaw part can be opened, the lower half of the jaw part being disposed in the square through hole 41 and the upper half extending out of the square through hole 41 into the inner cavity wall of the piston, the square through hole 41 serving at the same time to limit the movement of the jaw part in a direction perpendicular to the opening or closing direction. The guide post 4 is a circular column, and is also matched with the shape of the oil cylinder 10, so that the guide post is conveniently connected with the upper end face of the oil cylinder 10.
In one specific embodiment of the positioning part, the positioning part comprises a reference block 8, and at least four orientation columns 9 for contacting with the inner cavity wall of the piston to position the piston and reference block openings for the clamping claw parts to pass through are arranged on the reference block 8.
Wherein, can set up orientation post screw hole 81 that orientation post 9 matches on benchmark piece 8 to fix orientation post 9 on benchmark piece 8, the position of setting up of orientation post 9 needs to be selected according to required piston position, through the contact location of a plurality of orientation posts 9 with the inner chamber wall of piston, the upper half of jack catch portion stretches out from guide post 4 and passes the surface that reference piece trompil exposes in first inclined support plate 2, in order to contact with the piston.
On the basis of the above-mentioned specific embodiment, in order to fix and position the pistons of different model sizes, the orientation post 9 is a tapered cylinder which is tapered from top to bottom, the reference block 8 is connected with the top surface of the circular cylinder through an elastic member, the first inclined support plate 2 is provided with a square groove 21 for placing the reference block 8, and after the tapered cylinder positions the piston, the reference block 8 compresses the elastic member to move downward under the gravity of the piston, so that the bottom end surface of the piston is tightly attached to the first inclined support plate 2.
It should be noted that, the orientation columns 9 are cone-shaped columns, pistons with different sizes are fixed at different height positions of each orientation column 9, that is, the contact point between the inner cavity wall of the piston with a smaller inner cavity and the cone-shaped column is relatively higher, and the contact point between the inner cavity wall of the piston with a larger inner cavity and the cone-shaped column is relatively lower, but after the cone-shaped column fixes the piston, the bottom end face of the piston may not be tightly attached to the first inclined support plate 2, and the stability is not good, therefore, the reference block 8 is set as a movable block which can be fixed up and down along the square groove 21 of the reference block 8, after the piston is placed, the reference block 8 will descend under the action of the gravity of the piston until the bottom end face of the piston is tightly attached to the first inclined support plate 2, and after the piston is removed by finishing the processing, the reference block 8 can move up under the action of, the piston is convenient to place again, and the elastic part can adopt parts such as a compression spring and the like.
In a specific embodiment about the shelf body, the shelf body includes a bottom plate 1 for being connected with a workbench, a second inclined support plate for placing the oil cylinder 10 is provided on the bottom plate 1, and a vertical support plate for being connected with the first inclined support plate 2 is further provided on the bottom plate 1.
The piston rod of the oil cylinder 10 is generally a straight rod, so that the first inclined support plate 2 and the second inclined support plate are generally arranged in parallel and are convenient to assemble with the piston, rib plates 3 can be arranged on two sides of the vertical support plate to support the vertical support plate, preferably, the bottom plate 1 is connected with a workbench of a numerical control machining center through bolts, in order to guarantee the assembly precision of the tool, the flatness of the upper plane and the lower plane of the bottom plate 1 is guaranteed to be within 0.01mm, and the bottom plate 1 is used as a connecting piece and a supporting piece of the tool, so that the material hardness, the roughness and the flatness of the bottom plate need to have higher requirements, 40Cr can be adopted, and the heat treatment process adopts modulation processing HRC 28.
After the oblique oil holes are machined, chips remain on the first oblique support plate 2, and in the present embodiment, the first oblique support plate 2 is provided with a chip discharge groove for discharging chips generated by machining. The chip discharge groove can be square or round without special limitation, and is preferably arranged at the lower half part of the first inclined support plate 2 to facilitate the chip breaking to be discharged under gravity.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides an oblique oilhole processing frock of piston skirt portion has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides an oblique oilhole processing frock of piston skirt portion, a serial communication port, includes the support body, be provided with first slope backup pad (2) that are used for supporting the piston on the support body, be provided with the location portion that is used for piston location on first slope backup pad (2), still be provided with the inner chamber that is used for stretching into the piston on first slope backup pad (2), can open and closable's jack catch portion, jack catch portion with be used for driving jack catch portion opens or closed power portion is connected.
2. The tool for machining the oblique oil hole in the piston skirt according to claim 1, wherein the clamping claw portion comprises a first clamping claw and a second clamping claw which rotate in opposite directions, the bottoms of the first clamping claw and the second clamping claw are connected in a rotating mode, the first clamping claw and the second clamping claw are arranged in an open hole of a guide column (4), the guide column (4) is connected with the bottom surface of the first oblique supporting plate (2), corresponding guide grooves (61) are formed in the first clamping claw and the second clamping claw respectively, a first pin shaft which is connected with the guide grooves (61) in a matched mode is arranged on the guide column (4), and when the power portion pulls the first clamping claw and the second clamping claw downwards, the first clamping claw and the second clamping claw move along the guide grooves (61) to clamp the wall of an inner cavity of the piston.
3. The tool for machining the oblique oil hole in the piston skirt part according to claim 2, wherein the first jaw is a single first jaw plate (6), the second jaw is two connected second jaw plates (7), a gap is formed between the two second jaw plates (7), the first jaw plate (6) is assembled in the gap, and matched second pin holes (62) are formed in the bottoms of the first jaw plate (6) and the two second jaw plates (7) so that the first jaw plate (6) is connected with the second jaw plates (7) through second pin shafts.
4. The tool for machining the oblique oil hole in the piston skirt part according to the claim 3, wherein the guide column (4) is connected with the bottom surface of the first oblique support plate (2) through a bolt.
5. The tool for machining the inclined oil hole in the piston skirt according to claim 4, wherein the power portion is an oil cylinder (10), and the oil cylinder (10) is connected with the second pin shaft through a pull rod (5).
6. The tool for machining the oblique oil hole in the piston skirt part according to any one of claims 2 to 5, wherein the guide column (4) is a circular cylinder, and the opening is a square through hole (41) penetrating through the circular cylinder along the axial direction of the circular cylinder.
7. The tooling for machining the oblique oil hole in the piston skirt part according to claim 6, wherein the positioning part comprises a reference block (8), and at least four orientation columns (9) which are used for being in contact with the inner cavity wall of the piston to position the piston and reference block holes through which the clamping claw parts penetrate are arranged on the reference block (8).
8. The inclined oil hole machining tool for the piston skirt according to claim 7, wherein the orientation column (9) is a tapered cylinder which is tapered from top to bottom, the reference block (8) is connected with the top surface of the circular cylinder through an elastic piece, a square groove (21) for placing the reference block (8) is formed in the first inclined support plate (2), and after the tapered cylinder positions the piston, the reference block (8) compresses the elastic piece under the gravity of the piston to move downwards, so that the bottom end surface of the piston is tightly attached to the first inclined support plate (2).
9. The tool for machining the oblique oil hole in the piston skirt according to claim 5, wherein the frame body comprises a bottom plate (1) connected with a workbench, a second oblique support plate used for placing the oil cylinder (10) is arranged on the bottom plate (1), and a vertical support plate used for connecting the first oblique support plate (2) is further arranged on the bottom plate (1).
10. The tool for machining the oblique oil hole in the piston skirt according to the claim 9 is characterized in that a chip groove for discharging broken chips generated by machining is formed in the first oblique support plate (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921109117.8U CN210360443U (en) | 2019-07-15 | 2019-07-15 | Oblique oilhole processing frock of piston skirt portion |
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| CN201921109117.8U CN210360443U (en) | 2019-07-15 | 2019-07-15 | Oblique oilhole processing frock of piston skirt portion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351264A (en) * | 2022-08-09 | 2022-11-18 | 山东理工大学 | Demoulding auxiliary assembly of casting bent axle production |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351264A (en) * | 2022-08-09 | 2022-11-18 | 山东理工大学 | Demoulding auxiliary assembly of casting bent axle production |
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Inventor after: Niu Jianhua Inventor after: Liu Yicun Inventor after: Guo Yan Inventor after: Liu Yahui Inventor after: Wang Pengfei Inventor after: Lu Haohui Inventor after: Zhang Jian Inventor after: Wang Li Inventor after: Yang Lingqiang Inventor after: Zhang Xiaoshuai Inventor before: Niu Jianhua Inventor before: Guo Yan Inventor before: Liu Yahui Inventor before: Wang Pengfei Inventor before: Zhang Jiajia Inventor before: Yang Lingqiang |
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