CN216802563U - Engine box adds clamping apparatus - Google Patents
Engine box adds clamping apparatus Download PDFInfo
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- CN216802563U CN216802563U CN202220120554.5U CN202220120554U CN216802563U CN 216802563 U CN216802563 U CN 216802563U CN 202220120554 U CN202220120554 U CN 202220120554U CN 216802563 U CN216802563 U CN 216802563U
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- supporting
- engine
- base plate
- positioning pin
- engine box
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Abstract
The utility model provides an engine box body machining clamp, which comprises: the engine box body is arranged above the first positioning pin, the second positioning pin and the supporting blocks, the quick clamps are arranged on the upper surface of the outer ring of the engine box body in a surrounding mode, one end, far away from the bottom plate, of the first positioning pin is in a column shape of a revolving body, and one end, far away from the bottom plate, of the second positioning pin is in a prism shape. The engine box body processing clamp can accurately position and stably clamp the engine box body, does not influence finish machining, and has little influence on processing equipment.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to an engine box body machining fixture.
Background
When the engine box body is processed with the processing of the face of hole and the face of periphery, need adopt vertical machining center to carry out finish machining processing usually, in order to ensure the stability of finish machining process to go on, anchor clamps need carry out good accurate centre gripping fixed to the engine box body, and the conventional locate mode is installation locating pin structure on the locating panel to adopt and press from both sides tight frock and carry out the cooperation and press from both sides tightly, but engine housing volume is great relatively, therefore the distance between the locating pin grow, can reduce the degree of accuracy of location.
In view of this, an engine case machining clamp capable of improving positioning accuracy is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an engine case machining clamp capable of effectively improving positioning accuracy.
The technical scheme of the utility model is realized in such a way that the utility model provides an engine box body processing clamp, which comprises: the engine box body is arranged above the first positioning pin, the second positioning pin and the supporting blocks, the quick clamps are arranged on the upper surface of the outer ring of the engine box body in a surrounding mode, one end, far away from the bottom plate, of the first positioning pin is in a column shape of a revolving body, and one end, far away from the bottom plate, of the second positioning pin is in a prism shape.
On the basis of the above technical scheme, preferably, still include the support column, support column fixed mounting is at the upper surface of bottom plate, and the support column is located the below of engine box, and the one end that the bottom plate was kept away from to the support column is installed first elastic block.
On the basis of the technical scheme, preferably, the rapid clamp comprises a supporting end, a pressing rod and a driving cylinder, wherein the supporting end, the supporting end and the driving cylinder are sequentially arranged, the supporting end and the driving cylinder are fixedly installed on the upper surface of a bottom plate, the lower end of the supporting end is hinged with the bottom plate, the middle part of the pressing rod is hinged with the upper end of the supporting end, one end, close to the driving cylinder, of the pressing rod is hinged with the driving end of the driving cylinder, the driving end of the driving cylinder reciprocates in a direction perpendicular to the upper surface of the bottom plate, the other end of the pressing rod selectively supports the surface, far away from the bottom plate, of the supporting end, and the supporting end is arranged on one side, close to an engine box, of the supporting end.
On the basis of the above technical solution, preferably, a second elastic block is installed on one surface of the abutting end far away from the bottom plate, and the end of the pressing rod selectively abuts against one surface of the second elastic block far away from the abutting end.
Still further preferably, the engine case further comprises a plurality of limiting columns, wherein the limiting columns are fixedly arranged on the upper surface of the bottom plate, and the plurality of limiting columns are circumferentially arranged on the outer ring of the engine case.
On the basis of the technical scheme, preferably, the side face of one end, far away from the bottom plate, of the limiting column is provided with an inclined face, the inclined face and the upper surface of the bottom plate form an obtuse angle, the inclined face faces the engine box body, and when the engine box body is installed on the bottom plate, the inclined face abuts against and is held below the side face of the engine box body.
On the basis of the above technical solution, preferably, the engine case further comprises a third elastic block, the third elastic block is installed on the inclined surface, and when the engine case is installed on the bottom plate, the third elastic block abuts against the lower side of the side surface of the engine case.
On the basis of the technical scheme, preferably, a plurality of through grooves are formed in one surface, far away from the bottom plate, of the supporting block along the direction parallel to the upper surface of the bottom plate.
Compared with the prior art, the engine box body processing clamp has the following beneficial effects:
(1) the utility model provides a clamp for finish machining of an engine box body, which is used for positioning a revolving body columnar positioning pin and a prismatic positioning pin simultaneously, so that the positioning accuracy is improved, different errors can be adapted by fine adjustment of the prism angle of the prismatic positioning pin, and the requirement of precise positioning is met;
(2) meanwhile, the engine box body is supported in a bottom and side supporting mode, so that a structure protruding out of the surface of the engine box body is avoided, and the influence of the clamp on finish machining equipment is further reduced;
(3) in order to enable the clamping effect of the clamp on the engine box body to be better, the surface of the supporting structure is further provided with the elastic block structure, the elastic block structure is preferred, and elastic materials such as rubber can be adopted, so that the supporting part can accommodate larger size difference, and meanwhile, interference fit can be achieved to achieve a better clamping effect.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric view of the engine case machining fixture of the present invention in its operating condition;
FIG. 2 is an isometric view of the engine case machining fixture of the present invention;
FIG. 3 is an isometric view of a quick clamp in the engine case machining fixture of the present invention;
FIG. 4 is an isometric view of a first locator pin of the engine case machining fixture of the present invention;
FIG. 5 is an isometric view of a second locating pin in the engine case machining fixture of the present invention;
FIG. 6 is an isometric view of a support block in the engine case machining fixture of the present invention.
In the figure: the device comprises a base plate 1, a first positioning pin 2, a second positioning pin 3, a supporting block 4, a quick clamp 5, a supporting column 6, a limiting column 7, a third elastic block 8, a through groove 41, a butting end 51, a supporting end 52, a pressing rod 53, a driving cylinder 54, a second elastic block 511 and an inclined plane 71.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, with reference to fig. 2-6, the engine case machining fixture of the present invention includes a bottom plate 1, a first positioning pin 2, a second positioning pin 3, a plurality of supporting blocks 4, and a plurality of quick clamps 5, where the first positioning pin 2 and the second positioning pin 3 are respectively installed at different positions on the upper surface of the bottom plate 1, the plurality of supporting blocks 4 are respectively installed at different positions on the upper surface of the bottom plate 1, the engine case is installed above the first positioning pin 2, the second positioning pin 3, and the supporting blocks 4, the plurality of quick clamps 5 are installed on the upper surface of the bottom plate 1 of an outer ring of the engine case in a surrounding manner, one end of the first positioning pin 2, which is far away from the bottom plate 1, is in a column shape of a solid of revolution, and one end of the second positioning pin 2, which is far away from the bottom plate 1, is in a prism shape.
In the above embodiment, the end of the first positioning pin 2 away from the bottom plate 1 is a column of a revolving body, preferably, the column or the cone is installed, the end of the second positioning pin 2 away from the bottom plate 1 is a prism, preferably, the prism is a quadrangular prism, the first positioning pin 2 can position the engine box body with a first degree of freedom along the axis direction of the first positioning pin 2, the second positioning pin 3 can position the degree of freedom rotating around the first positioning pin 2 again, but because there is a possible error in the distance between the two positioning pins, in order to eliminate the error, the prism-shaped second positioning pin 3 is adopted, when there is a distance deviation, the second positioning pin 3 is rotated, and then the distance between the two positioning pins deviating from one end to each other can be changed, thereby realizing more accurate positioning.
In a specific embodiment, the engine base plate further comprises a supporting column 6, the supporting column 6 is fixedly installed on the upper surface of the base plate 1, the supporting column 6 is located below the engine box body, and a first elastic block 61 is installed at one end, far away from the base plate 1, of the supporting column 6.
In the above embodiment, the supporting pillar 6 is used to support the engine case to be clamped, because the engine case has a relatively large volume and a relatively complex structure, and in order to ensure that the engine case has a stable clamping effect on the bottom plate 1, it is necessary to ensure that the engine case has enough contact surfaces and stable supporting effects at different positions, the supporting pillar 6 is provided to support different positions of the lower surface of the engine case, specifically, the supporting block 4 also plays a supporting role, the supporting block 4 is mainly used to support a relatively protruded part of the engine case, the supporting pillar 6 is used to support a relatively recessed part of the engine case, the first elastic block 61 can play an elastic supporting role, and because of the clamping effect of the quick clamp 5, interference fit may occur between the engine case and the supporting pillar 6, in order to avoid stress concentration, the first elastic block 61 is used as a support to disperse pressure and avoid stress concentration, and the first elastic block 61 is made of rubber.
In a specific embodiment, the quick clamp 5 includes a supporting end 51, a supporting end 52, a pressing rod 53 and a driving cylinder 54, the supporting end 51, the supporting end 52 and the driving cylinder 54 are sequentially arranged, the supporting end 51 and the driving cylinder 54 are both fixedly mounted on the upper surface of the base plate 1, the lower end of the supporting end 52 is hinged to the base plate 1, the middle of the pressing rod 53 is hinged to the upper end of the supporting end 52, one end of the pressing rod 53 close to the driving cylinder 54 is hinged to the driving end of the driving cylinder 54, the driving end of the driving cylinder 54 reciprocates in a direction perpendicular to the upper surface of the base plate 1, the other end of the pressing rod 53 selectively supports against one surface of the supporting end 51 far away from the base plate 1, and the supporting end 51 is disposed on one side of the supporting end 52 close to the engine box.
In the above embodiment, the driving end of the driving cylinder 54 is located at the side far from the bottom plate 1, so that the pressing rod 53 is located at the top of the quick clamp 5, and the structural design can prevent the quick clamp 5 from protruding above the engine box body, so that the engine box body is always located at the top of the clamp in the clamping state of the clamp of the utility model, the machining equipment can conveniently process the engine box body, the interference between the equipment can be avoided, and the safety is higher.
In a specific embodiment, a second elastic block 511 is installed on a surface of the abutting end 51 away from the bottom plate 1, and an end of the pressing rod 53 selectively abuts against a surface of the second elastic block 511 away from the abutting end 51.
In the above embodiment, in order to achieve a better clamping effect and avoid stress concentration, the second elastic block 511 is also provided on the upper surface of the abutting end 51, and the second elastic block 511 is made of a micro-elastic material, preferably a rubber material.
In the specific embodiment, the engine box further comprises a plurality of limiting columns 7, wherein the limiting columns 7 are fixedly installed on the upper surface of the bottom plate 1, and the plurality of limiting columns 7 are arranged on the outer ring of the engine box along the circumferential direction.
In the above embodiment, in order to achieve a more stable clamping effect and simultaneously not affect the processing of the engine case, the side array of the engine case mounting position is provided with the plurality of limiting columns 7, and when the engine case is clamped on the bottom plate 1, the limiting columns 7 abut against the side of the engine case, so that the clamping, positioning and fixing effects are achieved.
In a specific embodiment, an inclined surface 71 is arranged on one side surface of the limiting column 7 away from the bottom plate 1, the inclined surface 71 forms an obtuse angle with the upper surface of the bottom plate 1, the inclined surface 71 faces the engine box, and when the engine box is installed on the bottom plate 1, the inclined surface 71 abuts against the lower side surface of the engine box.
In the above embodiment, in order to avoid the protrusion of the limit column 7 from the upper end of the engine case, the inclined surface 71 inclined upward is provided on the side surface of the top of the limit column 7 to support the side surface of the engine case below, so that on one hand, the upward supporting function can be achieved, and on the other hand, the horizontal acting force can be formed to clamp the engine case horizontally, and meanwhile, the limit column 7 does not protrude above the engine case, so that the safety is improved, and the finish machining process is not affected.
In the specific embodiment, the engine box further comprises a third elastic block 8, the third elastic block 8 is installed on the inclined surface 71, and when the engine box is installed on the bottom plate 1, the third elastic block 8 is abutted against the lower side of the side surface of the engine box.
In the above embodiment, the third elastic block 8 is used to perform tolerance and pressure dispersion on the connection position between the inclined surface 71 and the engine case, so as to avoid damage to the surface of the device due to stress concentration, and also allow a certain error in the elastic variation range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an engine box adds clamping apparatus, includes the engine box, its characterized in that includes: the engine box comprises a base plate (1), a first positioning pin (2), a second positioning pin (3), a plurality of supporting blocks (4) and a plurality of quick clamps (5), wherein the first positioning pin (2) and the second positioning pin (3) are respectively installed at different positions of the upper surface of the base plate (1), the supporting blocks (4) are respectively installed at different positions of the upper surface of the base plate (1), the engine box is installed above the first positioning pin (2), the second positioning pin (3) and the supporting blocks (4), the quick clamps (5) are enclosed and installed on the upper surface of the base plate (1) of the outer ring of the engine box, one end, far away from the base plate (1), of the first positioning pin (2) is a columnar rotary body, and one end, far away from the base plate (1), of the second positioning pin (3) is prismatic.
2. The engine box machining clamp as claimed in claim 1, characterized by further comprising a supporting column (6), wherein the supporting column (6) is fixedly installed on the upper surface of the base plate (1), the supporting column (6) is located below the engine box, and a first elastic block (61) is installed at one end, away from the base plate (1), of the supporting column (6).
3. The engine box processing clamp according to claim 1, wherein the quick clamp (5) comprises a supporting end (51), a supporting end (52), a pressing rod (53) and a driving cylinder (54), the supporting end (51), the supporting end (52) and the driving cylinder (54) are sequentially arranged, the supporting end (51) and the driving cylinder (54) are fixedly arranged on the upper surface of the base plate (1), the lower end of the supporting end (52) is hinged with the base plate (1), the middle part of the pressing rod (53) is hinged with the upper end of the supporting end (52), one end of the pressing rod (53) close to the driving cylinder (54) is hinged with the driving end of the driving cylinder (54), the driving end of the driving cylinder (54) reciprocates along a direction perpendicular to the upper surface of the base plate (1), and the other end of the pressing rod (53) selectively abuts against the surface of the supporting end (51) far away from the base plate (1), the abutting end (51) is arranged on one side of the supporting end (52) close to the engine box body.
4. The engine case machining clamp according to claim 3, characterized in that a second elastic block (511) is installed on one surface of the abutting end (51) far away from the bottom plate (1), and an end of the pressure lever (53) selectively abuts against one surface of the second elastic block (511) far away from the abutting end (51).
5. The engine box machining clamp according to claim 1, characterized by further comprising a plurality of limiting columns (7), wherein the limiting columns (7) are fixedly installed on the upper surface of the bottom plate (1), and the plurality of limiting columns (7) are circumferentially arranged on the outer ring of the engine box.
6. The engine case machining clamp according to claim 5, characterized in that the side surface of one end of the limiting column (7) far away from the bottom plate (1) is provided with an inclined surface (71), the inclined surface (71) forms an obtuse angle with the upper surface of the bottom plate, the inclined surface (71) faces the engine case, and when the engine case is installed on the bottom plate (1), the inclined surface (71) abuts against the lower side surface of the engine case.
7. The engine case machining jig according to claim 6, characterized by further comprising a third elastic block (8), wherein the third elastic block (8) is mounted on the inclined surface (71), and when the engine case is mounted on the base plate (1), the third elastic block (8) abuts against the lower side of the engine case.
8. The engine box machining clamp as claimed in claim 1, characterized in that one surface of the support block (4) far away from the bottom plate (1) is provided with a plurality of through grooves (41) along a direction parallel to the upper surface of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220120554.5U CN216802563U (en) | 2022-01-18 | 2022-01-18 | Engine box adds clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220120554.5U CN216802563U (en) | 2022-01-18 | 2022-01-18 | Engine box adds clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216802563U true CN216802563U (en) | 2022-06-24 |
Family
ID=82063030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220120554.5U Active CN216802563U (en) | 2022-01-18 | 2022-01-18 | Engine box adds clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216802563U (en) |
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2022
- 2022-01-18 CN CN202220120554.5U patent/CN216802563U/en active Active
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