CN208583998U - Multisection type is top - Google Patents

Abstract

It is top that the utility model discloses a kind of multisection type, for being matched with the hole opened up on flange, including top ontology and centre head, centre head is set on top ontology, top ontology is fixed on positioning device, centre head is successively arranged the first top tip part and the second top tip part from top to bottom, first top tip part and the second top tip part are inclined outwardly along the axle center of centre head respectively, second top tip part is bent to form after extending outwardly from the lower position of the first top tip part, and the first top tip part and the second top tip part collectively form stepped construction.Therefore when the centre head of the utility model cooperates different flanges to use, flange can be always positioned in roughly equal height with the top mutual cooperation of the multisection type of the utility model, avoid the need for often replacing it is top and cause that top abrasion is excessive and replacement it is top after debug time it is long the defects of；Simultaneously because avoid the need for stopping producing line it is top to replace so that production efficiency promoted.

Description

Multisection type is top

Technical field

The utility model relates to automobile production field more particularly to it is a kind of match with the flange end of product to be processed it is more Segmentation is top.

Background technique

With the rapid development of society, mechanical processing technique is also increasingly mature.At present in mechanical processing industry, lathe is Through becoming tool most frequently used in machining production now.During being processed to axial workpiece, in order to Guarantee the precision and concentricity of workpiece, generally all can lathe tail portion install one it is top withstand workpiece so that cutter plus Work is more convenient, in use, can be by taper hole corresponding on top insertion lathe, so that top be fixed on lathe, when being not required to Will again with when directly will in the top taper hole from lathe extract.

But in existing top use process, since axial workpiece has many different types, same Lathe when processing the axial workpiece of different length, need accordingly to be replaced according to different workpiece it is different top, especially It is during vehicle production manufacture, it is often necessary to different crankshafts be manufactured according to different vehicles, due to existing A top flange that can only correspond to a kind of model in technology, therefore existing solution is exactly individually to do a set of new flange It is top, and when replacing machine to produce different crankshafts, it is necessary to correspondingly replace top, this allows for existing top Sharp use has the problem that (1) needs frequently to be replaced due to top, and the top of transmission is using threaded connection Mode be fixed in positioning device, therefore, be often replaced it is top it is easy to appear damages, lead to top installation essence Degree decline, not can guarantee the processing quality of crankshaft and is not easy to spare parts management, and also add Parts Inventory cost；(2) by It is different with chamfering diameter in traditional flange center hole positioning bore dia, therefore the top height used is matched from different flanges Etc. parameters also correspondingly change, therefore replace every time it is top after, the height and position of flange also correspondingly changes, and makes At the top process for also needing to do prolonged adjustment accuracy later is replaced every time, production efficiency is not only affected, and in essence Crankshaft can be also scrapped during degree debugging.

Therefore, it is top to need a kind of multisection type that can be used cooperatively from different flanges.

Summary of the invention

The purpose of this utility model is to provide one kind can be top from the multistage segmentation that different flanges are used cooperatively, by this It is top accordingly the flange different from least two to be used cooperatively so that need not just be replaced when crankshaft is remodeled and produced it is top, Reduce top frayed degree, while also improving processing efficiency.

To achieve the goals above, the utility model provides that a kind of multisection type is top, for the hole that is opened up on flange It matches, including top ontology and centre head, the centre head is set on the top ontology, and the top ontology is fixed on fixed Position equipment, the centre head are successively arranged the first top tip part and the second top tip part from top to bottom, first top tip part and described Axle center of second top tip part respectively along the centre head is inclined outwardly, and second top tip part is from the lower section of first top tip part Position is bent to form after extending outwardly, and first top tip part and the second top tip part collectively form stepped construction.

Specifically, the end of first top tip part is connected with interconnecting piece, and the interconnecting piece is by first top tip part End is bent to form after the axis direction extension of the centre head under.

More specifically, second top tip part is bent to form after being extended outwardly by the end of the interconnecting piece.

More specifically, the place that the end of the interconnecting piece is connect with second top tip part is provided with chamfering.

Preferably, first top tip part and second top tip part are round-like structure.

Preferably, the base area of first top tip part is less than the base area of second top tip part.

Preferably, the bottom of second top tip part is also connected with cylindrical fixed part.

Specifically, the bottom of the top ontology is downwardly convex is equipped with locating piece.

More specifically, the shape of the recess of the shape and positioning device of the locating piece matches.

More specifically, the top ontology is connect by screw is fixed with positioning device.

Compared with prior art, since the top centre head of the multisection type of the utility model is equipped with the first top tip part and second Top tip part, and the second top tip part is bent to form after extending outwardly from the lower position of the first top tip part, due to the utility model The top centre head of multisection type be equipped with the first top tip part and the second top tip part, and the first top tip part and the second top tip part make jointly Centre head is stepped, therefore when the centre head of the utility model cooperates different flanges in use, flange can be always positioned at With the top mutual cooperation of the multisection type of the utility model in substantially constant height, avoid the need for often replacing top and causing It is top abrasion it is excessive and replacement it is top after debug time it is long the defects of；Simultaneously because avoiding the need for stopping producing line It is top to replace, so that the efficiency of production is promoted.

Detailed description of the invention

Fig. 1 is the top structural schematic diagram of the multisection type of the utility model.

Fig. 2 is the top structure graph being used cooperatively with the first type of the multisection type of the utility model.

Fig. 3 is the top structure graph being used cooperatively with the first type of the multisection type of the utility model.

Fig. 4 is the top structure graph being used cooperatively with the first type of the multisection type of the utility model.

Specific embodiment

For technology contents, the construction feature, the effect of realization that the content of the present invention is described in detail, below in conjunction with embodiment party Formula simultaneously cooperates attached drawing to be explained in detail.

Please refer to figs. 1 to 4, and the hole 200a for being used for opening up on product to be processed flange 200 of the utility model matches The multisection type of conjunction top 100 includes top ontology 10 and centre head 20.Centre head 20 is set on top ontology 10, top ontology 10 It is fixed in positioning device 300, more preferably, top ontology 10 and centre head 20 can be integrated molding, in order to enhance this reality With the structural stability of novel multisection type top 100, but not limited to this；It will be appreciated that the multisection type top of the utility model Point in addition to can be used for grinding machine, such as: cylindrical grinder, internal grinder, outside jig grinder grinding machine；It can be also used for other this fields It needs to use flange and other top mutually matched lathes well known to technical staff, does not repeat one by one herein.

Please continue to refer to Fig. 1 to Fig. 4, in the present embodiment, centre head 20 be successively arranged from top to bottom the first top tip part 21, Interconnecting piece 22 and the second top tip part 23.In the present embodiment, the first top tip part 21 and the second top tip part 23 are respectively along centre head 20 Axle center be inclined outwardly, more specifically, the first top tip part 21 and the second top tip part 23 are round-like structure and the first top tip part 21 and second top tip part 23 collectively form the stepped centre head 20 of multistage, i.e., the top and bottom of the first top tip part 21 are level Face, the side of the first top tip part 21 are taper face；And second top tip part 23 top and bottom be horizontal plane, the second top tip part 23 Side be taper face, but not limited to this；More specifically, axis of the side of the first top tip part 21 relative to the first top tip part 21 The inclined degree of the heart is equal to the inclined degree of the side of the second top tip part 23 relative to the axle center of the second top tip part 23, but is not limited to This；In the present embodiment, the end of the first top tip part 21 is connect with the starting point of interconnecting piece 22, the end of interconnecting piece 22 and second The starting point of top tip part 23 connects, but not limited to this；Interconnecting piece 22 is by the end of the first top tip part 21 along the axle center of centre head 20 Direction extends and then bends downward and to be formed, as shown in Figure 1, interconnecting piece 22 be located at the first top tip part 21 and the second top tip part 23 it Between, and the axis direction of interconnecting piece 22 towards centre head 20 is recessed, but not limited to this；Second top tip part 23 is by interconnecting piece 22 End extend outwardly after be bent to form, and the place that the end of interconnecting piece 22 is connect with the second top tip part 23 is provided with down Angle, but not limited to this；As shown in Figures 1 to 4, bottom surface face of the base area of the first top tip part 21 less than the second top tip part 23 Product, the bottom of the second top tip part 23 are also connected with cylindrical fixed part 24, and centre head 20 is set to top by fixed part 24 On body 10, but not limited to this；As shown in Fig. 2, the centre bore positioning bore dia of flange 200 at this time is Φ 28, which exists The centre head 20 of the multisection type of height H1 and the utility model top 100 cooperates；As shown in figure 3, flange 200 at this time It is Φ 34 that centre bore, which positions bore dia, and flange 200 at this time is on the top of the multisection type top 100 of height H2 and the utility model Tip 20 cooperates；As shown in figure 4, the centre bore positioning bore dia of flange 200 at this time is Φ 35, the flange 200 is in height The centre head 20 for spending the multisection type top 100 of H3 and the utility model cooperates, and the numerical value of H1, H2, H3 three are close, Therefore for the multisection type top 100 of the utility model when from the different cooperations of flange 200, flange 200 is also substantially in sustained height On, avoid replace every time it is top after require the debugging process grown very much so that the multisection type of the utility model top 100 makes With easier, processing efficiency is higher.

Please continue to refer to Fig. 1 to Fig. 4, in the present embodiment, the bottom of top ontology 10 is downwardly convex to be equipped with locating piece 11, determines The shape of position block 11 and the shape of the recess of positioning device 300 match, and top ontology 10 is solid by screw 12 at the same time Fixed to connect with positioning device 300, specifically, top ontology 10 can be reserved in advance during making production and connect for screw 12 The aperture of the positioning entered, but not limited to this；Multisection type top 100 in order to further ensure that the utility model can be steady Surely be fixed in positioning device 300, further prevent during processing multisection type top 100 from positioning device 300 It falls off.

It is worth noting that, the multisection type of the utility model top 100 is in addition in the first top tip part 21 and the second top tip part 23 are provided with outside the interconnecting piece 22 that 20 axle center of centre head is recessed, and the end of the first top tip part 21 directly can also be provided with the Two top tip parts 23 are without interconnecting piece 22, so that multisection type top 100 is in continuous two stepwise structures, but not limited to this； In other embodiments, multisection type top 100 can also be arranged other than being provided with the first top tip part 21 and the second top tip part 23 There are third top tip part, the 4th top tip part etc., so that multisection type top 100 is in three step structures, quadravalence ladder configuration etc., but It is without being limited thereto.It will also be appreciated that the first top tip part 21 of the multisection type of the utility model top 100 is in addition to can be rotary table Outside shape structure, cone-shaped structure can also be, but not limited to this；The side of first top tip part 21 and the second top tip part 23 in addition to It can be outside taper face, can also be the face of other shapes, in order to which the multisection type of the utility model top 100 is with more kinds of Use form, but not limited to this.

Compared with prior art, since the centre head 20 of the multisection type of the utility model top 100 is equipped with the first top tip part 21 and second top tip part 23, and the second top tip part 23 is bent to form after extending outwardly from the lower position of the first top tip part 21, Since the centre head 20 of the multisection type of the utility model top 100 is equipped with the first top tip part 21 and the second top tip part 23, and first Top tip part 21 and the second top tip part 23 make centre head 20 stepped jointly, therefore when the centre head 20 of the utility model is matched Different flanges 200 is closed in use, flange 200 can be always positioned at the multisection type in substantially constant height with the utility model Top 100 cooperate, avoid the need for often replacing it is top and cause that top abrasion is excessive and replacement it is top after tune The defects of examination time is long；Simultaneously because avoid the need for stopping producing line it is top to replace so that production efficiency obtain To be promoted.

Above disclosed is only the preferred embodiments of the utility model, and effect is to facilitate those skilled in the art Understand and implement accordingly, the interest field of the utility model cannot be limited with this certainly, therefore special according to the present utility model application Equivalent variations made by sharp range still falls within the range that the utility model is covered.

Claims (10)

1. a kind of multisection type is top, for being matched with the hole opened up on flange, it is characterised in that: including top ontology and top Head, the centre head are set on the top ontology, and the top ontology is fixed on positioning device, and the centre head is from top to bottom It is successively arranged the first top tip part and the second top tip part, first top tip part and second top tip part are respectively along the centre head Axle center be inclined outwardly, second top tip part is bent to form after extending outwardly from the lower position of first top tip part, institute It states the first top tip part and the second top tip part collectively forms stepped construction.

2. multisection type as described in claim 1 is top, it is characterised in that: the end of first top tip part is connected with connection Portion, the interconnecting piece are bent to form after the axis direction extension of the centre head under from the end of first top tip part.

3. multisection type as claimed in claim 2 is top, it is characterised in that: second top tip part by the interconnecting piece end It is bent to form after extending outwardly.

4. multisection type as claimed in claim 2 is top, it is characterised in that: the end of the interconnecting piece and second top tip part The place of connection is provided with chamfering.

5. multisection type as described in claim 1 is top, it is characterised in that: first top tip part and second top tip part are equal For round-like structure.

6. multisection type as claimed in claim 5 is top, it is characterised in that: the base area of first top tip part is less than described The base area of second top tip part.

7. multisection type as described in claim 1 is top, it is characterised in that: the bottom of second top tip part is also connected with cylinder The fixed part of shape.

8. multisection type as described in claim 1 is top, it is characterised in that: the bottom of the top ontology is downwardly convex to be equipped with positioning Block.

9. multisection type as claimed in claim 8 is top, it is characterised in that: the shape of the locating piece and the recess of positioning device The shape at place matches.

10. multisection type as claimed in claim 8 is top, it is characterised in that: the top ontology is by screw and positioning device Connection.