CN212351729U

CN212351729U - Product supporting structure suitable for workpiece sintering

Info

Publication number: CN212351729U
Application number: CN202020741637.7U
Authority: CN
Inventors: 杨杭州
Original assignee: Gangqi Metal Technology Shanghai Co ltd
Current assignee: Gangqi Metal Technology Shanghai Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-15
Anticipated expiration: 2030-05-08

Abstract

The utility model relates to a machine-building technical field, concretely relates to product bearing structure suitable for work piece sintering. A product supporting structure suitable for workpiece sintering comprises a supporting piece main body, wherein the supporting piece main body is supported in two arc-shaped concave surfaces of a workpiece, the supporting piece main body comprises a supporting column and arc-shaped supporting pieces, each arc-shaped supporting piece is provided with an outer convex arc-shaped surface, and two ends of the supporting column are respectively connected with one arc-shaped supporting piece. The utility model discloses increased the product structural strength of work piece, restricted its deformation direction and deformation volume, prevented the work piece deformation that contracts in when the sintering, solved the uncontrollable problem of product sintering deformation, and need not to carry out the plastic process again after the sintering, CNC has processed the back and can reach the demand, has increased the volume production feasibility.

Description

Product supporting structure suitable for workpiece sintering

Technical Field

The utility model relates to a machine-building technical field, concretely relates to product bearing structure suitable for work piece sintering.

Background

In the mechanical manufacturing industry, when a workpiece is forged or sintered, the workpiece may deform to a certain extent, and some combined workpieces with complex structures may expand or contract horizontally during sintering, as shown in fig. 2, the workpiece has two symmetrical product ears 101, each of which has an arc-shaped concave surface 102, and the two arc-shaped concave surfaces are oriented in the same direction. In the sintering process of the workpiece, the product ear 101 is deformed in the direction of the arrow shown in the figure, and the deformation direction is uncontrollable, so that the deformation amount is large. Analyzing the deformation cause, the opening formed by the two arc-shaped concave surfaces has a certain retraction effect during sintering, and the retraction effect adds an uncontrollable factor to the deformation direction in the graph shown in fig. 2. After the sintering operation is completed, the deformed part of the workpiece cannot be completely recovered even if the special shaping jig for subsequent manufacturing is used for shaping, so that defective products are caused. Therefore, the workpiece is difficult to produce and produce in large quantities.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a product bearing structure suitable for work piece sintering solves above technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

the utility model provides a product bearing structure suitable for work piece sintering, includes the support piece main part, and it supports in two arc depressed faces of work piece, wherein, the support piece main part includes pillar and cambered surface support piece, cambered surface support piece has the arc surface of evagination, one is connected respectively at the both ends of pillar cambered surface support piece, when supporting the work piece, with cambered surface support piece's arc surface and the arc depressed face contact of work piece.

The utility model discloses a set up the support piece main part and form the support to the work piece when the sintering, utilize the arc sunken face of the arc surface laminating work piece of arc support piece's evagination, make its deformation process when the sintering restricted by the support piece main part to control deformation volume. In addition, after the cambered surface supporting piece is sintered, because the workpiece is deformed and is clamped, the workpiece is milled by CNC machining, the deformation of the workpiece is ensured to be in the qualified range of products,

the pillar adopts the pillar of an adjustable length, and it includes two at least connecting rods, and is adjacent the connecting rod realizes the adjustable effect of length of pillar after interconnect.

Bolt holes are respectively formed in two ends of any connecting rod, and when the adjacent connecting rods are connected with each other, two ends of each bolt are respectively connected with the bolt holes, facing to each other, of the adjacent connecting rods in an inserting mode.

Bolt holes are respectively formed in two ends of any connecting rod, and when the adjacent connecting rods are connected with each other, two ends of the screw rod are respectively in threaded connection with the bolt holes, facing to each other, of the adjacent connecting rods.

The arc-surface supporting piece is characterized in that a bolt hole of a through hole structure is formed in the pillar body of the pillar, another bolt hole matched with the bolt hole in the pillar is formed in the arc-surface supporting piece, and the pillar and the arc-surface supporting piece are fixed to each other after a plug-in structure is formed by matching bolts through the bolt holes.

At least three bolt holes are formed in the pillar body of the pillar at equal intervals along the length direction, so that the position of any one cambered surface supporting piece can be adjusted, and therefore the distance between different product ears of different workpieces is increased.

The cambered surface supporting piece is of a cylindrical structure.

The support member main part includes a thickening piece, thickening piece is used for adjusting cambered surface support member's thickness, thickening piece be equipped with one with another arc surface that cambered surface support member's evagination is unanimous.

Be equipped with a bolt hole on one side of cambered surface support piece, the position that corresponds on the thickening piece is equipped with another bolt hole, the thickening piece through attached on cambered surface support piece's a side, rethread bolt with both threaded connection backs, realize cambered surface support piece's thickness increase, for this reason, arbitrary cambered surface that is in of thickening piece is in on same curved surface behind cambered surface support piece and the thickening piece threaded connection.

Has the advantages that: since the technical scheme is used, the utility model discloses increased the product structural strength of work piece, restricted its deformation direction and deformation volume, prevented the work piece deformation that contracts in when the sintering, solved this type of work piece product that has symmetry and moves towards the same arc concave surface structure and deformed uncontrollable problem when the sintering, and need not to carry out the plastic process again after the sintering, CNC has processed the back and can reach the demand, has increased the volume production feasibility.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of a workpiece in an application scenario of the present invention;

fig. 3 is a schematic view of an application scenario of the present invention;

FIG. 4 is a second schematic structural diagram of the present invention;

FIG. 5 is a third schematic structural diagram of the present invention;

fig. 6 is a schematic diagram of a fourth structure according to the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1 and 3, a product supporting structure suitable for workpiece sintering comprises a supporting member main body, which is supported in two arc-shaped concave surfaces of a workpiece 1, the supporting member main body comprises a pillar 2 and arc-shaped supporting members 3, the arc-shaped supporting members 3 are provided with convex arc-shaped surfaces 301, two ends of the pillar 2 are respectively connected with one arc-shaped supporting member 3, and when the workpiece 1 is supported, the arc-shaped surfaces 301 of the arc-shaped supporting members 3 are contacted with the arc-shaped concave surfaces of the workpiece 1.

In some embodiments, as shown in fig. 4, the strut is an adjustable-length strut, which includes at least two connecting rods 201, and the adjacent connecting rods 201 are connected to each other to achieve the effect of adjusting the length of the strut. In some preferred embodiments, the two ends of any connecting rod 201 are respectively provided with a pin hole 2011, and when adjacent connecting rods are connected with each other, the two ends of the pin 4 are respectively inserted into the pin holes 2011 facing to the adjacent connecting rods 201. In the configuration of fig. 4, the right connecting rod 201 has inserted therein the plug 4 at its left end. In other preferred embodiments, the two ends of any connecting rod can be respectively provided with bolt holes, and when adjacent connecting rods are connected with each other, the two ends of the screw rod are respectively in threaded connection with the bolt holes which are opposite to each other of the adjacent connecting rods.

In some embodiments, as shown in fig. 5, a bolt hole 202 of a through hole structure is provided on the shaft of the support post 2, another bolt hole 302 matched with the bolt hole 202 on the support post 2 is provided on the arc support 3, and the support post 2 and the arc support 3 are fixed to each other after the bolt hole 202 and the bolt hole 302 are matched to form a plug structure. In some preferred embodiments, the shank of the post 2 is provided with at least three pin holes 202 spaced at equal intervals along its length, so that the position of any of the supports 3 can be adjusted to adjust the spacing between different product ears of different workpieces.

The utility model discloses in, cambered surface support piece 3 can set up to cylindrical structure to make its outer protruding cambered surface realize better support to the work piece that has the concave surface in the corresponding arc.

In some embodiments, as shown in fig. 6, the support body comprises a thickening 5, the thickening 5 being intended to adjust the thickness of the loop 3, the thickening 5 being provided with a further curved surface coinciding with the convex curved surface of the loop 3. A bolt hole 303 is formed in the side surface of one side of the arc surface support member 3, and may be a through hole or a counter bore, and another bolt hole 501 is formed in the corresponding position of the thickening member 5, and is a through hole. Thickening piece 5 is through attaching on one side of cambered surface support piece 3, and the threaded connection back of both is realized through the bolt with both, realizes that cambered surface support piece 3's thickness increases, for this reason, the arbitrary position on the cambered surface of thickening piece 5 is after cambered surface support piece 3 and thickening piece 5 realize threaded connection, should set up to be in on same curved surface. For example, when the loop supports 3 are provided as a cylindrical structure, the thickening member 5 may be provided as another cylindrical structure having a smaller thickness than the loop supports 3, and the circular diameters of the cylindrical cross sections of the two structures are the same.

the basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A product supporting structure suitable for workpiece sintering comprises a supporting piece main body which is supported in two arc-shaped concave surfaces of a workpiece, and is characterized in that the supporting piece main body comprises a supporting column and an arc-shaped supporting piece, the arc-shaped supporting piece is provided with an outer convex arc-shaped surface, and two ends of the supporting column are respectively connected with the arc-shaped supporting piece.

2. A product support structure suitable for sintering of workpieces according to claim 1, wherein said strut is an adjustable length strut comprising at least two connecting rods, adjacent said connecting rods being interconnected.

3. A product support structure suitable for sintering of workpieces as set forth in claim 2, wherein each of the connecting rods has a pin hole at each end thereof, and when adjacent connecting rods are connected to each other, each of the ends of the pin is inserted into the facing pin hole of the adjacent connecting rod.

4. A product support structure suitable for sintering of workpieces as set forth in claim 2, wherein bolt holes are provided at both ends of any one of said connecting rods, and when adjacent connecting rods are connected to each other, both ends of the screw are threaded with the facing bolt holes of the adjacent connecting rods, respectively.

5. The product supporting structure suitable for workpiece sintering of claim 1, wherein the shank of the pillar is provided with a pin hole of a through hole structure, the arc-shaped supporting member is provided with another pin hole matched with the pin hole of the pillar, and the pillar and the arc-shaped supporting member form a plug-in structure through the pin hole matched with a pin.

6. A product support structure suitable for sintering of workpieces according to claim 5 wherein the shank of said post is provided with at least three pin holes spaced equally along its length.

7. A product support structure adapted for use in the sintering of workpieces as claimed in any one of claims 1 to 6 wherein said support arcs are cylindrical in configuration.

8. A product support structure adapted for sintering of workpieces as recited in claim 7, wherein said support body includes a thickening member having a further arcuate surface conforming to said convex arcuate surface of said arcuate support member.

9. The product support structure for workpiece sintering of claim 8 wherein one bolt hole is formed on one side of the arc support member and another bolt hole is formed on the corresponding position on the thickening member.