CN217965082U - Clamp for cutting aluminum alloy piston - Google Patents
Clamp for cutting aluminum alloy piston Download PDFInfo
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- CN217965082U CN217965082U CN202222511706.7U CN202222511706U CN217965082U CN 217965082 U CN217965082 U CN 217965082U CN 202222511706 U CN202222511706 U CN 202222511706U CN 217965082 U CN217965082 U CN 217965082U
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- upper clamping
- aluminum alloy
- spring
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Abstract
The application relates to a clamp for cutting an aluminum alloy piston, belonging to the field of auxiliary cutting equipment, wherein a plurality of clamps are uniformly arranged on a rack at intervals, each clamp comprises a lower clamping plate, and the lower clamping plate is fixed on the rack; the upper clamping plate is arranged on the rack in a lifting manner and is positioned above the lower clamping plate; the two elastic pressing parts are symmetrically arranged on two sides of the upper clamping plate and used for pressing and holding two pouring channel materials on the circumferential side surface of the piston to be horizontal, and a space for the piston wall to pass through is formed between each elastic pressing part and the upper clamping plate; the mode of automatically leveling the pouring channel material can replace the mode of manually supporting and leveling, so that the aim of simultaneously leveling piston blanks on a plurality of clamps can be fulfilled, and the clamping efficiency is improved; meanwhile, the automatic leveling mode has high reliability and accuracy, and the problem of large error caused by manual supporting leveling is solved.
Description
Technical Field
The utility model relates to a numerical control cutting auxiliary assembly field especially relates to an aluminium alloy piston is anchor clamps for cutting.
Background
At present, the engine piston is mainly manufactured through a casting process, and the piston is usually manufactured through the existence of a pouring gate and a casting head during casting, so that the cast piston is generally provided with a pouring gate material (also called a pouring gate). One such casting method results in the presence of sprue material on the circumferential sides of the piston, which is an excess portion of the product and is therefore typically cut away after casting. In the prior art, when pouring materials are cut off, a cast blank is generally clamped in a clamp and then cut by using a cutting saw, however, two pouring materials symmetrical on the circumferential side of the existing piston casting are different in size and weight, so that when the piston casting is placed on the clamp, the piston casting rotates on the clamp due to the difference of the weights on the two sides, and the two symmetrical pouring materials cannot be in the horizontal position. In the prior art, in order to ensure the cutting accuracy, the piston casting is usually placed in a clamp, then a piston blank is manually supported, and then the clamp is operated to clamp the blank, so that the operation is not troublesome, and the manual support of the blank also needs to continuously observe whether a pouring channel material on the piston blank is in a horizontal state, so that the horizontal reliability is not high, the horizontal positions of the piston blank are different every time, and the problem of larger cutting error is caused; in addition, a plurality of clamps often exist on the piston cutting machine to clamp the piston blanks simultaneously, then the cutting saw cuts the runner materials on the plurality of piston blanks in sequence, and the mode of clamping the piston blanks needs manual clamping one by one, so that the clamping efficiency is low, and the piston cutting machine is not suitable for the requirement of automatic processing production.
SUMMERY OF THE UTILITY MODEL
Current piston cutting machine often need utilize anchor clamps to hold the piston on cutting machine when watering the material, and current anchor clamps often need the staff to support the pendulum when the centre gripping piston, then anchor clamps press from both sides tightly, this is because the piston is because two of its circumference side symmetry of its casting reason water material weight is different, when leading to it to place on anchor clamps, its self can take place rotatory phenomenon, finally make two water materials of watering not in the horizontal plane, the cutting appears thoroughly, the unsafe problem in cutting position, this application designs an aluminium alloy piston anchor clamps for cutting, its specifically adopted technical scheme is:
the utility model provides an aluminum alloy is anchor clamps for piston cutting, its sets up a plurality ofly, and a plurality of even intervals of anchor clamps set up in the frame, and each anchor clamps include:
the lower clamping plate is fixed on the rack;
the upper clamping plate is arranged on the rack in a lifting manner and is positioned above the lower clamping plate;
the two elastic pressing parts are symmetrically arranged on two sides of the upper clamping plate and used for pressing and holding two pouring channel materials on the circumferential side surface of the piston to be horizontal, and a space for the piston wall to penetrate through is formed between each elastic pressing part and the upper clamping plate.
Preferably, each of the resilient compression elements comprises:
one end of the fixed rod is fixed on the upper clamping plate, and the other end of the fixed rod extends towards one side;
the spring, the spring sets up along the direction of perpendicular upper clamping plate, and the one end of spring is fixed in the dead lever, and the other end is the free end.
Preferably, the fixed rod is further provided with a guide telescopic rod along the length direction of the spring, the spring is sleeved on the periphery of the guide telescopic rod, the bottom end of the guide telescopic rod is connected with a pressing plate, and the lower surface of the pressing plate is a spherical surface.
Preferably, the lowest end of the spring is higher than the upper clamping plate.
Preferably, the lower surface of the upper clamping plate is a downward convex arc-shaped surface, and the diameter of the downward convex arc-shaped surface is smaller than that of the piston.
Preferably, the upper surface of the lower clamping plate is a concave arc surface, and the diameter of the concave arc surface is smaller than that of the piston.
Preferably, the upper clamping plate is arranged on the rack in a lifting mode through a telescopic cylinder, the cylinder body end of the telescopic cylinder is fixed to the rack, and the telescopic rod end is connected with the upper clamping plate.
Preferably, the control switches are respectively connected to a plurality of telescopic cylinders corresponding to the plurality of clamps, and are used for controlling the extension and retraction of the telescopic cylinders.
Preferably, the multiple telescopic cylinders are connected with a master control switch together, and the master control switch controls the telescopic cylinders to stretch in a unified manner.
The utility model discloses a set up two elasticity casting die on last grip block, after the piston was placed at lower grip block, in the process that the upper grip block stretched into the piston and constantly descended, two elasticity casting die contact with the material of watering of the outer peripheral lateral wall of piston gradually, two elasticity casting die can balance two materials of watering, make the material of watering be in horizontal position, then last grip block and lower grip block clamp piston tightly at last, this kind of mode of automatic leveling water material can replace the mode of artifical support leveling, can realize the purpose of the piston blank leveling simultaneously on a plurality of anchor clamps, improve centre gripping efficiency; meanwhile, the automatic leveling mode has high reliability and accuracy, and the problem of large error caused by manual supporting leveling is solved.
Drawings
FIG. 1 is a view of a clamp in use on a cutting machine;
FIG. 2 is a front view of the clamp mounted on the cutting machine;
FIG. 3 is an enlarged view taken at I in FIG. 1;
FIG. 4 is an enlarged view taken at II in FIG. 2;
FIG. 5 is a schematic view of the structure of the spring with a guiding telescopic rod inside;
FIG. 6 is a rear view of FIG. 4;
fig. 7 is a schematic view of a structure for clamping a piston between an upper clamping plate and a lower clamping plate.
In the drawing, the cutting machine comprises a machine frame 1, a machine frame 2, a cutting saw 3, a clamp 301, an upper clamping plate 302, a lower clamping plate 303, an elastic pressing piece 303a, a fixing rod 303b, a spring 304, a telescopic cylinder 4, a control switch 5, a master control switch 6, a guide telescopic rod 7, a pouring material 8 and a piston.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments with reference to the accompanying drawings.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-7, a plurality of clamps 3 are arranged on a frame 1, the plurality of clamps 3 are uniformly arranged on the frame 1 at intervals and are arranged in a row, and can simultaneously clamp a plurality of pistons 8, and after the plurality of clamps 3 clamp the pistons 8, the pistons 8 can be cut through a pouring gate material 7 on the pistons 8 by matching with a cutting saw 2 on the frame 1.
The improvement of the present application lies in the improvement of the clamps 3, wherein each clamp 3 specifically comprises a lower clamping plate 302, an upper clamping plate 301 and two elastic pressing pieces 303.
The lower clamping plate 302 is fixed on the frame 1, and can clamp the piston 8 by matching with the upper clamping plate 301, so that the subsequent cutting is ensured to be smooth.
The upper clamping plate 301 is arranged on the frame 1 in a lifting manner and is positioned right above the lower clamping plate 302, and the upper clamping plate 301 can lift up and down relative to the lower clamping plate 302, so that the purpose of clamping and loosening the piston 8 is achieved through the lifting.
The two elastic pressing pieces 303 are symmetrically arranged on two sides of the upper clamping plate 301, a certain space is formed between each elastic pressing piece 303 and the upper clamping plate 301, the space is used for the wall of the piston 8 to penetrate through, a sawing space is also provided for the dicing saw 2, and the elastic pressing plates are guaranteed not to interfere with the dicing saw 2, namely after the piston 8 is placed on the lower clamping plate 302, along with the fact that the upper clamping plate 301 extends into the piston 8, the piston wall extends into the space between the upper clamping plate 301 and the elastic pressing plates.
As shown in FIG. 7, when the clamp 3 clamps the piston 8, the piston 8 is manually placed on the upper surface of the lower clamping plate 302, then the upper clamping plate 301 is lowered, during the lowering process, two elastic pressing members 303 firstly contact the pouring channel material 7 on the outer wall of the piston 8, because the weights of the two pouring channel materials 7 are different, during the lowering process, one of the elastic pressing members 303 necessarily firstly contacts the pouring channel material 7 on one side, the upper clamping plate 301 is further lowered, the elastic pressing members 303 press the pouring channel material 7 on the side so that the piston 8 rotates on the lower clamping plate 302 until the pouring channel material 7 on the other side contacts the other elastic pressing member 303, when the two pouring channel materials 7 are simultaneously pressed by the two elastic pressing members 303, the two pouring channel materials 7 are basically in the horizontal position, the upper clamping plate 301 is further lowered, and finally the upper clamping plate 301 cooperates with the lower clamping plate 302 to clamp the piston 8.
Further, a specific structure for each of the above elastic pressers 303 includes a fixing lever 303a and a spring 303b. One end of the fixing rod 303a is fixed on the side surface of the clamping plate, the other end of the fixing rod 303a extends to the upper side, the outer side and the end part of the upper clamping plate 301, the spring 303b is vertically arranged (namely is arranged in a direction perpendicular to the upper clamping plate 301), the upper end of the spring 303b is welded on the fixing rod 303a, the lower end of the spring 303b is a free end, and in the process that the elastic pressing piece 303 descends along with the upper clamping plate 301, the lower end of the spring 303b is in contact with the pouring gate material 7 to press and hold the pouring gate material 7. The reason why the pressing member is made elastic or spring 303b is that the two springs 303b have the function of self-aligning, and the elastic force of the two springs 303b is the same, so that the sprue material 7 is better aligned horizontally.
In one embodiment, as shown in fig. 5, a guiding telescopic rod 6 is further disposed on the fixing rod along a length direction of the spring 303b, the spring 303b is sleeved on an outer periphery of the guiding telescopic rod 6, a pressing plate is connected to a bottom end of the guiding telescopic rod 6, a lower surface of the pressing plate is a spherical surface, the spherical surface is disposed to facilitate contact with the runner material 7, and the guiding telescopic rod 6 is disposed to avoid bending of the spring 303b.
Further, in order to ensure that the elastic pressing member 303 contacts the pouring gate material 7 first and balance the position of the pouring gate material 7, and then the upper clamping plate 301 can clamp the piston 8 in sequence, the lowest end of the spring 303b is higher than the upper clamping plate 301, because the position of the pouring gate material 7 is higher than the clamped position of the piston 8, the lowest position of the spring 303b higher than the upper clamping plate 301 ensures that the spring 303b contacts the pouring gate material 7 first, and then the upper clamping plate 301 and the lower clamping plate 302 clamp the piston 8. In addition, the length of the spring can be set according to the size of the smallest piston 8 during actual use, so that the spring can press and hold the pouring gate material 7 on the pistons 8 with various sizes to keep the level.
Furthermore, in order to match the arc-shaped side wall of the piston 8, the contact area between the upper clamping plate 301 and the piston 8 is increased, the stress of the upper clamping plate 301 on the piston 8 is reduced, further, the indentation generated on the local part of the piston 8 or the damage to the piston 8 when the piston 8 is clamped by the upper clamping plate 301 is reduced, the lower surface of the upper clamping plate 301 is a downward-convex arc-shaped surface, and the diameter of the lower clamping plate is smaller than that of the piston 8.
Further, similarly, in order to match the arc-shaped side wall of the piston 8, the contact surface between the lower clamping plate 302 and the piston 8 is increased, the stress of the lower clamping plate 302 on the piston 8 is reduced, further, the indentation of the lower clamping plate 302 on the local part of the piston 8 or the damage to the piston 8 when the lower clamping plate 302 clamps the piston 8 is reduced, the upper surface of the lower clamping plate 302 is a concave arc-shaped surface, and the diameter of the concave arc-shaped surface is smaller than that of the piston 8.
Further, the upper clamping plate 301 is arranged on the frame 1 in a lifting manner, specifically, the telescopic cylinder 304 is arranged on the frame 1 in a lifting manner, the cylinder end of the telescopic cylinder 304 is fixed on the frame 1, and the telescopic rod end is connected with the upper clamping plate 301. The telescopic cylinder 304 herein may be an air cylinder, an oil cylinder or an electric cylinder, and in this embodiment, an electric cylinder may be preferably used, because the electric cylinder has a simple structure, and does not need to be provided with a corresponding oil path or air path, and the installation and replacement are convenient because the electric cylinder is directly purchased and installed.
Furthermore, the plurality of telescopic cylinders 304 corresponding to the plurality of clamps 3 are respectively connected with a control switch 4 for controlling the extension and retraction of each telescopic cylinder 304, and the independent control is for adapting to a scene, that is, when the plurality of clamps 3 do not fully work, that is, when only one or more clamps 3 need to work to clamp the piston 8, the energy is saved, and the independent control is further realized.
Furthermore, the plurality of telescopic cylinders 304 are connected with a total control switch 5, the total control switch 5 controls the telescopic cylinders 304 to stretch in a unified manner, and the purpose of controlling the telescopic cylinders in a unified manner is to adapt to a scene, namely, when the plurality of clamps 3 work simultaneously, namely, when each clamp 3 clamps the piston 8, for simple operation, the total control switch 5 can be used for replacing each clamp to control each clamp independently, so that the plurality of clamps 3 can be controlled at one time, the operation is simple and convenient, and the clamping efficiency is improved.
The above-mentioned embodiment can not be regarded as right the utility model discloses the restriction of scope, to the technical person in this technical field, it is right the utility model discloses any alternative improvement or transform that the embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. The utility model provides an aluminum alloy is anchor clamps for piston cutting, its sets up a plurality ofly, and a plurality of even intervals of anchor clamps set up in the frame, its characterized in that, each anchor clamps include:
the lower clamping plate is fixed on the rack;
the upper clamping plate is arranged on the rack in a lifting manner and is positioned above the lower clamping plate;
the two elastic pressing pieces are symmetrically arranged on two sides of the upper clamping plate and used for pressing and holding two pouring gate materials on the circumferential side face of the piston to be horizontal, and a space for the piston wall to penetrate through is formed between each elastic pressing piece and the upper clamping plate.
2. The aluminum alloy piston cutting jig as set forth in claim 1, wherein each of said elastic pressing members includes:
one end of the fixing rod is fixed on the upper clamping plate, and the other end of the fixing rod extends towards one side;
the spring is arranged in the direction perpendicular to the upper clamping plate, one end of the spring is fixed on the fixed rod, and the other end of the spring is a free end.
3. The aluminum alloy piston cutting clamp as recited in claim 2, wherein the fixing rod is further provided with a guiding telescopic rod along a length direction of the spring, the spring is sleeved on an outer periphery of the guiding telescopic rod, a pressing plate is connected to a bottom end of the guiding telescopic rod, and a lower surface of the pressing plate is a spherical surface.
4. The aluminum alloy piston cutting jig according to claim 2 or 3, wherein the lowest end of the spring is higher than the upper holding plate.
5. The aluminum alloy piston cutting clamp according to claim 4, wherein the lower surface of the upper clamping plate is a downward convex arc-shaped surface, and the diameter of the downward convex arc-shaped surface is smaller than that of the piston.
6. The aluminum alloy piston cutting jig according to claim 5, wherein the upper surface of the lower clamping plate is a concave arc surface having a diameter smaller than the diameter of the piston.
7. The aluminum alloy piston cutting clamp according to claim 1, wherein the upper clamping plate is arranged on the frame in a lifting manner through a telescopic cylinder, a cylinder body end of the telescopic cylinder is fixed on the frame, and a telescopic rod end is connected with the upper clamping plate.
8. The aluminum alloy piston cutting clamp according to claim 7, wherein a plurality of corresponding telescopic cylinders in the plurality of clamps are respectively connected with a control switch for controlling the extension and retraction of the telescopic cylinders.
9. The aluminum alloy piston cutting clamp as recited in claim 8, wherein a plurality of the telescopic cylinders are commonly connected with a master control switch, and the master control switch controls the telescopic of each telescopic cylinder in a unified manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511706.7U CN217965082U (en) | 2022-09-22 | 2022-09-22 | Clamp for cutting aluminum alloy piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511706.7U CN217965082U (en) | 2022-09-22 | 2022-09-22 | Clamp for cutting aluminum alloy piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217965082U true CN217965082U (en) | 2022-12-06 |
Family
ID=84263826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222511706.7U Active CN217965082U (en) | 2022-09-22 | 2022-09-22 | Clamp for cutting aluminum alloy piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217965082U (en) |
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2022
- 2022-09-22 CN CN202222511706.7U patent/CN217965082U/en active Active
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