A kind of pick-up unit auxiliary supports
Technical field
The utility model relates to field of machining, particularly a kind of pick-up unit auxiliary supports.
Background technology
Camshaft is parts in piston engine, and its main body is a cylindrical barred body identical with cylinder block length, and the above is provided with several cams, and its effect is to control the action of the opening and closing of valve.Therefore, the design of camshaft in the design process of engine in occupation of consequence very.When producing the camshaft series products, need that it is carried out form and position tolerance and detect, to guarantee its accuracy requirement in mechanical processing industry.
When the form and position tolerance to the camshaft series products detects, should be taken into account the use-pattern of camshaft series products when real work, this is taked corresponding detection mode, so just can obtain the product of the more realistic demand of degree of accuracy.In view of the camshaft series products generally is assemblied in engine, its assembling mode in engine is for to make support by two end axles, and work is carried out in rotation.So, when the form and position tolerance to the camshaft series products detects, as shown in Figure 1, adopt cylindrical take the bearing at camshaft two ends as benchmark, i.e. benchmark A and benchmark B, the detection mode that detects is of crucial importance.But the length of camshaft is different, and kinds of bearings is different, thereby, cause the design of the auxiliary supports in pick-up unit of a great variety, make testing cost higher.
Therefore, how to design a cover pick-up unit auxiliary supports, make it under lower-cost prerequisite, in the time of can detecting in the form and position tolerance to the camshaft series products, the detection mode of application take bearing two cylindricals as benchmark is the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of pick-up unit auxiliary supports, and its cost is lower, in the time of can detecting in the form and position tolerance to camshaft, uses the detection mode take bearing two cylindricals as benchmark.
For achieving the above object, the utility model provides following technical scheme:
A kind of pick-up unit auxiliary supports comprises:
Base;
Be installed on the first sway brace and the second sway brace on described base, described the first sway brace and/or described the second sway brace are adjustable with respect to the position of described base along the first horizontal linear direction, and described the first sway brace and described the second sway brace are provided with to place the draw-in groove of bearing.
Preferably, in the above-mentioned detection device auxiliary supports, the width of described draw-in groove is increased to openend gradually by the bottom respectively.
Preferably, in the above-mentioned detection device auxiliary supports, fitting and the first adjustable working spare in the middle of described the first sway brace comprises first, described the first adjustable working spare is installed on the described first middle fitting, and adjustable with respect to described the first fitting position, centre along the first vertical curve direction, in addition, the described first middle fitting is installed on described base, and adjustable with respect to described position base along described the first horizontal linear direction, described draw-in groove is opened on described the first adjustable working spare;
Fitting and the second adjustable working spare in the middle of described the second sway brace comprises second, described the second adjustable working spare is installed on the described second middle fitting, and adjustable with respect to described the second fitting position, centre along described the first vertical curve direction, in addition, in the middle of described second, fitting is installed on described base, and adjustable along described the first relatively described position base of horizontal linear direction, described draw-in groove is opened on described the second adjustable working spare.
Preferably, in the above-mentioned detection device auxiliary supports, between the described first middle fitting and described base, between the described second middle fitting and described base, between described the first adjustable working spare and the described first middle fitting, and between described the second adjustable working spare and the described second middle fitting, all be bolted.
Preferably, in the above-mentioned detection device auxiliary supports, offer on described base for regulate the position of the described first middle fitting and the described second middle fitting and the horizontal slotted hole that coordinates with described bolt along described the first horizontal linear direction.
Preferably, in the above-mentioned detection device auxiliary supports, be provided be used to the stepped hole that holds described bolt head in described horizontal slotted hole.
Preferably, in the above-mentioned detection device auxiliary supports, described horizontal slotted hole is four, described the first sway brace and/or described the second sway brace respectively correspondence wherein two described horizontal slotted holes so that described bolt to be installed.
Preferably, in the above-mentioned detection device auxiliary supports, along described the first vertical curve direction, described the first adjustable working spare and described the second adjustable working spare offer respectively for the vertical slotted hole of regulating self-position and coordinating with described bolt.
Preferably, in the above-mentioned detection device auxiliary supports, described the first adjustable working spare and described the second adjustable working spare offer respectively two described vertical slotted holes.
Preferably, in the above-mentioned detection device auxiliary supports, along described the first horizontal linear direction, offer on described base described the first sway brace and the spacing groove of described the second sway brace, be respectively equipped with the bulge-structure that coordinates with described groove on described the first sway brace and described the second sway brace.
Can find out from above-mentioned technical scheme, the pick-up unit auxiliary supports that the utility model embodiment provides comprises base, and is installed on the first sway brace and the second sway brace on base, is provided with on two sway braces for the draw-in groove of placing bearing.Therefore, when the form and position tolerance to camshaft detects, the staff can use the detection mode take bearing two cylindricals as benchmark, and can regulate the distance between the first sway brace and the second sway brace, with the detection demand of the camshaft series products that adapts to different lengths.In addition, can further the notch on the first sway brace and the second sway brace be arranged to the adjustable form of in the vertical direction, to adapt to the bearing of different model.As seen, when the utility model detects in the form and position tolerance to the camshaft series products, not only can use the detection mode take bearing two cylindricals as benchmark, and, realized that a pick-up unit auxiliary supports satisfies the purpose of multiple detection demand, thereby reduced testing cost.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation when detecting take the bearing top circle at camshaft two ends as benchmark in prior art;
The structural representation of the pick-up unit auxiliary supports that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the side view of Fig. 2.
Embodiment
The utility model discloses a kind of pick-up unit auxiliary supports, its cost is lower, uses the detection mode take bearing two cylindricals as benchmark in the time of can detecting in the form and position tolerance to camshaft.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 3, Fig. 1 is the structural representation of prior art convexity wheel shaft when detecting take bearing two cylindricals as benchmark, the structural representation of the pick-up unit auxiliary supports that Fig. 2 provides for the utility model embodiment, and Fig. 3 is the side view of Fig. 2.
The pick-up unit auxiliary supports that the utility model embodiment provides, comprise base 1 and two sway braces that are installed on base 1, i.e. the first sway brace and the second sway brace, distance between these two sway braces is adjustable, namely the first sway brace or the second sway brace are adjustable with respect to the position of base 1 along a horizontal linear direction, perhaps, the first sway brace and the second sway brace both can the direction along a horizontal linear move on base 1, with the detection demand of the camshaft that adapts to different length.And these two sway braces are respectively arranged with for the draw-in groove of placing bearing.
For the bearing that the adapts to different model different demands to draw-in groove when detecting, in specific embodiment of the utility model, draw-in groove is the V-type groove, and namely the width of draw-in groove is increased to its openend gradually by the bottom of draw-in groove.But, those skilled in the art easily are understood that, the structure of draw-in groove might not be V-type herein, can also be other forms such as trapezium structure, get final product so long as can place the bearing that will participate in detecting, a preferred version in all possibilities that the V-type groove just it may occur to persons skilled in the art that, therefore, the utility model is not done restriction to the version of draw-in groove.
In order further to optimize technique scheme, the bearing that further adapts to different model when detecting to the different demands of draw-in groove, in specific embodiment of the utility model, fitting 21 and the first adjustable working spare 31 in the middle of the first sway brace comprises first, the first adjustable working spare 31 is installed on the first middle fitting 21, and adjustable with respect to the first fitting 21 positions, centre along a vertical curve direction, draw-in groove 4 is opened on the first adjustable working spare 31.In addition, in the middle of first, fitting 21 is installed on base 1, and adjustable with respect to the position of base 1 along a horizontal linear direction, certainly, said " adjustable with respect to the position of base 1 along a horizontal linear direction " is in like manner with above said " the first sway brace and the second sway brace are adjustable with respect to the position of base 1 along a horizontal linear direction " herein.
Equally, fitting 22 and the second adjustable working spare 32 in the middle of the second sway brace comprises second, the second adjustable working spare 32 is installed on the second centre fitting 22, and adjustable with respect to the second fitting 22 positions, centre along the first vertical curve direction, and draw-in groove 4 is opened on the second adjustable working spare 32.In addition, the second middle fitting 22 is installed on base 1, and same as above, and the second middle fitting 22 is adjustable along the position of a relative base 1 of horizontal linear direction.Thereby, make each be used to bear the draw-in groove 4 that is detected bearing and all can adjust up and down, can locate to adapt to dissimilar bearing.
As seen, when the staff detects in the form and position tolerance to camshaft, use the pick-up unit auxiliary supports that the utility model embodiment provides, the detection mode that can use take bearing two cylindricals as benchmark detects the form and position tolerance of camshaft, and, can by distance between the first sway brace and the second sway brace is regulated, with the detection demand of the camshaft series products that adapts to different lengths, reduce testing cost.In like manner, the adjusting that can carry out on vertical direction with respect to fitting 21 in the middle of first the first adjustable working spare 31, the adjusting of simultaneously the second adjustable working spare 32 being carried out on vertical direction with respect to fitting 22 in the middle of second, the detection demand with the bearing that adapts to Multiple Type reduces testing cost.
In addition, the draw-in groove 4 that is used for the placement bearing that arranges on the pick-up unit auxiliary supports that the utility model embodiment provides is the V-type groove, the bearing that the design of this V-type groove also can adapt to different model when detecting to the different demands of draw-in groove 4, thereby further reduce testing cost.
Therefore, when the utility model detects in the form and position tolerance to the camshaft series products, not only can use the detection mode take bearing two cylindricals as benchmark, and, realized that a pick-up unit auxiliary supports satisfies the purpose of multiple detection demand, reached the purpose that reduces testing cost.
In order further to optimize technique scheme, in the specific embodiment that the present embodiment provides, between the first middle fitting 21 and base 1, between the second middle fitting 22 and base 1, between the first adjustable working spare 31 and the first middle fitting 21, and second adjustable working spare 32 and second in the middle of between fitting 22, all be bolted.And, offer the horizontal slotted hole 11 that coordinates with bolt on base 1, be used for regulating along the first horizontal linear direction the position of the first middle fitting 21 and the second middle fitting 22.But, be not limited to this, what those skilled in the art easily expected is that the adjusting of the position of the first sway brace and the second sway brace (the i.e. adjusting of the position of the first middle fitting 21 and the second middle fitting 22 herein) can also realize by other means.For example, mode one selects the bolt hole of different distance that the first sway brace and the second sway brace are installed respectively for leave the bolt hole of different distance along straight line on base 1; Mode two is the first sway brace and be connected sway brace and be connected by the buckle that can move horizontally with base 1 respectively.Therefore, the utility model is not done restriction for the adjustable implementation of distance between the first sway brace and the second sway brace.
In the present embodiment, be provided be used to the stepped hole 12 that holds bolt head in horizontal slotted hole 11.And horizontal slotted hole 11 is four, the first sway brace and the second sway brace respectively correspondence wherein two horizontal slotted holes 11 with erection bolt.But, those skilled in the art easily are understood that, the number of this horizontal slotted hole might not only limit to four, the first sway brace and the second sway brace also not necessarily must be respectively corresponding two, the number of this horizontal slotted hole and set-up mode can have the plurality of optional scheme, therefore, the utility model is not construed as limiting this.
In addition, in the present embodiment, the first adjustable working spare 31 and the second adjustable working spare 32 also offer respectively for the vertical slotted hole 5 of regulating self-position and coordinating with bolt.And the first adjustable working spare 31 and the second adjustable working spare 32 offer respectively two vertical slotted holes 5.But, same, those skilled in the art easily are understood that, the number of this vertical slotted hole 5 might not only limit to four, the first adjustable working spare 31 and the second adjustable working spare 32 also not necessarily must be respectively corresponding two, the number of this vertical slotted hole 5 and set-up mode can have the plurality of optional scheme, and therefore, the utility model is not construed as limiting this.
In order further to optimize technique scheme, along the first horizontal linear direction, offer on base 1 the first sway brace and the spacing groove 13 of the second sway brace, simultaneously, be respectively arranged with the bulge-structure that coordinates with groove 13 on the first sway brace and the second sway brace.Thereby, can realize respectively by the cooperation of bulge-structure in groove 13 spacingly to the first sway brace and the second sway brace, avoided the mismatch error owing to installing, make the accurate not situation of draw-in groove registration on the first sway brace and the second sway brace.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.