CN218693218U

CN218693218U - Riveting device for ceramic ignition needle, fixing assembly and oil press

Info

Publication number: CN218693218U
Application number: CN202222875557.2U
Authority: CN
Inventors: 郝健; 许剑; 许建松
Original assignee: Shaoguan Jianuo Ignition System Co ltd
Current assignee: Shaoguan Jianuo Ignition System Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a ceramic ignition needle riveting device, a fixing component and an oil press, which comprises a punch head and a first mounting hole, wherein the side wall of the first mounting hole protrudes out of the lower end surface of the punch head along the axial direction of the first mounting hole to form a first annular extrusion part; the lower die base is provided with a second mounting hole, the side wall of the second mounting hole protrudes out of the upper end face of the lower die base along the axial direction of the second mounting hole to form a second annular extrusion part, and the first mounting hole and the second mounting hole are matched to form a channel for positioning the ceramic body; the first annular extrusion part and the second annular extrusion part are matched to extrude the through hole of the fixing sheet, so that the fixing sheet is hooped and arranged on the ceramic body of the through hole. The requirement of the ceramic body and the fixing piece on the compression ring in the connecting process is eliminated, the ceramic body is allowed to have an outer diameter difference, the riveting cost is reduced, and the connecting stability of the ceramic body and the fixing piece is improved.

Description

Riveting device for ceramic ignition needle, fixing assembly and oil press

Technical Field

The utility model relates to an ignition needle processing field, in particular to pottery ignition needle riveting device, fixed subassembly and hydraulic press.

Background

In the processing process of the ceramic ignition needle, the ceramic ignition needle and the metal fixing piece are often required to be fixed, but the connection limitation of the ceramic ignition needle and the metal fixing piece is large due to the characteristics of the ceramic.

Among the correlation technique, ceramic ignition needle is through riveting fixedly with the metal stationary blade, because there is the difference in size in external diameter size behind the ceramic forming, need adopt not unidimensional compression ring as the ceramic ignition needle and carry out the riveting again with the connecting medium between the metal stationary blade, the metal stationary blade produces elastic deformation under the effect of compression ring, the through-hole on the metal stationary blade is earlier the grow again kick-backs and is compressed tightly ceramic ignition needle and compression ring and connect fixedly, it is higher to require the compression ring, the riveting cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pottery ignition needle riveting device can directly the riveting metal stationary blade make it be connected with the ceramic body, need not to adopt the compression ring, practices thrift manufacturing cost.

The utility model also provides an hydraulic press of having above-mentioned pottery ignition needle riveting device.

According to the first aspect of the present invention, the riveting device for the ceramic ignition needle comprises a punch head, which is provided with a first mounting hole, wherein the side wall of the first mounting hole protrudes out of the lower end surface of the punch head along the axial direction of the first mounting hole to form a first annular extrusion part; the side wall of the second mounting hole protrudes out of the upper end face of the lower die base along the axial direction of the second mounting hole to form a second annular extrusion part, and the first mounting hole and the second mounting hole are matched to form a channel for positioning a ceramic body; the first annular extrusion part and the second annular extrusion part are matched to extrude the through hole of the fixing sheet, so that the fixing sheet is hooped and arranged on the ceramic body of the through hole.

According to the utility model discloses pottery ignition needle riveting device has following beneficial effect at least: the drift sets up first annular extrusion portion, and the die holder sets up second annular extrusion portion, and the stationary blade passes through first mounting hole and second mounting hole location wherein with the ceramic body, and when the drift was vertically pushed down, first annular extrusion portion and second annular extrusion portion riveting stationary blade made the stationary blade reduce the through-hole size, thereby it is fixed to produce plastic deformation and compress tightly the ceramic body formation. The requirement of the ceramic body and the fixing piece on the compression ring in the connecting process is eliminated, the ceramic body is allowed to have an outer diameter difference, the riveting cost is reduced, and the connecting stability of the ceramic body and the fixing piece is improved.

According to some embodiments of the present invention, the first mounting hole, the second mounting hole and the through hole are respectively provided with at least two.

According to some embodiments of the utility model, first annular extrusion portion includes first inner periphery and first outer peripheral edge, first inner periphery with distance between the first outer peripheral edge reduces along keeping away from the direction of terminal surface under the drift gradually, first inner periphery with first outer peripheral edge cooperation forms first annular extrusion portion.

According to some embodiments of the present invention, the second annular pressing portion includes a second inner circumferential edge and a second outer circumferential edge, the distance between the second inner circumferential edge and the second outer circumferential edge gradually decreases along the direction of keeping away from the upper end surface of the lower die base, the second inner circumferential edge and the second outer circumferential edge cooperate to form the second annular pressing portion.

According to the utility model discloses a some embodiments, the drift is equipped with first location portion, the die holder is equipped with second location portion, first location portion with second location portion cooperation location the drift with the die holder.

According to the utility model discloses a some embodiments, first location portion is the positioning guide pillar, second location portion is the guiding hole.

According to some embodiments of the utility model, the drift up end is equipped with the drift handle.

According to a second aspect embodiment of the present invention, an oil press includes a ceramic ignition needle riveting device according to the first aspect embodiment of the present invention.

According to the utility model discloses hydraulic press has following beneficial effect at least: through adopting foretell ceramic ignition needle riveting device, need not to make the stationary blade produce elastic deformation with the help of the compression ring again, when the drift was vertically pushed down, utilize the extrusion effect of first annular extrusion portion and second annular extrusion portion to the stationary blade to make the through-hole diameter diminish, plastic deformation cramps the ceramic body, reaches fixed effect. Avoid the size difference that ceramic body external diameter exists and select different compression rings, practice thrift the processing cost, improve production efficiency.

According to the utility model discloses a fixed subassembly of third aspect embodiment, fixed subassembly by the utility model discloses the hydraulic press of above-mentioned second aspect embodiment forms, fixed subassembly includes stationary blade and ceramic body, the stationary blade is equipped with the through-hole, the ceramic body wears to locate in the through-hole.

According to the utility model discloses fixed subassembly has following beneficial effect at least: the fixed subassembly includes stationary blade and ceramic body, thereby the through-hole diameter of stationary blade produces plastic deformation through the interact of drift and die holder and diminishes, cramps the ceramic body, and the fixed subassembly of ceramic ignition needle riveting device processing formation through the hydraulic press, the compression ring is no longer as its medium of connecting, and the use of cancellation compression ring practices thrift manufacturing cost.

According to some embodiments of the invention, the thickness of the fixing sheet is 2.5mm to 3.5mm.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a ceramic ignition needle riveting device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the punch, the ceramic body and the fixing piece according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a punch of the riveting device for a ceramic ignition needle according to the embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3 at A;

fig. 5 is a schematic structural view of a lower die holder of the riveting device for the ceramic ignition needle according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention.

Reference numerals:

a punch 100; a first mounting hole 110; a first annular extrusion 120; a first inner peripheral edge 121; first outer peripheral edge 122; a positioning guide post 130; a punch handle 140;

a lower die holder 200; a second mounting hole 210; a second annular pressing portion 220; a second inner circumferential edge 221; a second outer peripheral edge 222; a guide hole 230;

a fixing piece 300; a through-hole 310;

a ceramic body 400.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 3 and 5, the riveting device for the ceramic ignition needle according to the embodiment of the present invention includes a punch 100 and a lower die holder 200, the punch 100 is provided with a first mounting hole 110, and a side wall of the first mounting hole 110 protrudes out of a lower end surface of the punch 100 along an axial direction of the first mounting hole 110 to form a first annular extrusion portion 120; the lower die base 200 is provided with a second mounting hole 210, and the sidewall of the second mounting hole 210 protrudes out of the upper end surface of the lower die base 200 along the axial direction of the second mounting hole 210 to form a second annular extrusion portion 220. The first mounting hole 110 and the second mounting hole 210 are matched to form a channel for positioning the ceramic body 400, the diameter of one end of the first annular extrusion part 120, which is far away from the lower end face of the punch 100, is larger than that of the through hole 310 of the fixing plate 300, the diameter of one end of the second annular extrusion part 220, which is far away from the upper end face of the lower die base 200, is larger than that of the through hole 310 of the fixing plate 300, and the first annular extrusion part 120 and the second annular extrusion part 220 are matched to extrude materials around the through hole 310 of the fixing plate 300 so as to reduce the size of the through hole 310 and realize the tightening of the ceramic body 400. The requirement of the ceramic body 400 on the compression ring in the connecting process of the fixing piece 300 is eliminated, the compression rings with different sizes do not need to be selected according to the size difference of the formed ceramic body 400, the riveting cost is reduced, the riveting production efficiency of the ceramic ignition needle is improved, and the inventory cost is reduced.

In some embodiments of the present invention, the first mounting hole 110, the second mounting hole 210 and the through hole 310 are correspondingly provided with at least two holes, wherein the diameters of the first mounting hole 110, the second mounting hole 210 and the through hole 310 are all larger than the diameter of the ceramic body 400, and the first mounting hole 110, the second mounting hole 210 and the through hole 310 correspond up and down to smoothly realize the riveting. The at least two first mounting holes 110, the second mounting holes 210 and the through holes 310 are arranged in parallel left and right, so that processing and production of different ceramic ignition needles can be realized, and requirements for different ceramic ignition needles in life scenes are met.

Referring to fig. 4, in particular, the first annular extrusion 120 includes a first inner peripheral edge 121 and a first outer peripheral edge 122, a distance between the first inner peripheral edge 121 and the first outer peripheral edge 122 gradually decreases in a direction away from the lower end surface of the punch 100, and the first inner peripheral edge 121 and the first outer peripheral edge 122 cooperate to form the first annular extrusion 120. The first annular pressing portion 120 protrudes from the lower end surface of the punch 100, and in the longitudinal pressing process of the punch 100, the first annular pressing portion 120 contacts the fixing piece 300, continuously presses the material around the through hole 310 of the fixing piece 300, so that the material is contracted inward in the axial direction of the through hole 310, and the diameter of the through hole 310 becomes small to tighten the ceramic body 400 inserted into the through hole 310. First inner periphery 121 and first outer periphery 122 cooperation direct action are in stationary blade 300, only extrude the material of stationary blade 300 in the diameter range of the first annular extrusion portion 120 of keeping away from lower die holder 200 up end one end around through-hole 310, and the whole thickness of stationary blade 300 is not influenced, is favorable to fixed subassembly to reach anticipated riveting effect. The fixing piece 300 generates plastic deformation to compress the ceramic body 400 for fixing without using a compression ring as a connecting medium, thereby saving the production cost.

Specifically, the second annular extrusion 220 includes a second inner peripheral edge 221 and a second outer peripheral edge 222, a distance between the second inner peripheral edge 221 and the second outer peripheral edge 222 gradually decreases in a direction away from the upper end surface of the lower die base 200, and the second inner peripheral edge 221 and the second outer peripheral edge 222 cooperate to form the second annular extrusion 220. The second annular pressing portion 220 is engaged with the first annular pressing portion 120 to press the fixing plate 300 from the lower end surface of the fixing plate 300 and the upper end surface of the fixing plate 300, respectively, so that the riveting is uniform and the fixing plate 300 and the ceramic body 400 are stably connected.

The utility model discloses an in some embodiments, drift 100 is equipped with first location portion, and die holder 200 is equipped with second location portion, and first location portion and second location portion cooperation are convenient for drift 100 accurate centering when pushing down, improve stationary blade 300 machining efficiency, ensure the riveting quality.

Specifically, the first positioning portion is a positioning guide column 130, the second positioning portion is a guide hole 230, the positioning guide column 130 extends out of the lower end surface of the punch 100, one guide column is respectively disposed on the left side and the right side of the punch 100, and the die holder 200 is provided with a corresponding number of guide holes 230 at corresponding positions. During processing, the positioning guide pillar 130 on the punch 100 preferentially extends into the guide hole 230 to guide the first annular extrusion part 120 on the punch 100 to vertically press downwards, so that riveting is ensured to be in place, and the product quality is improved. It is to be understood that the first positioning portion may also be a positioning protrusion provided on the lower end surface of the punch 100, and the second positioning portion is a positioning groove provided on the lower die holder 200, which is not particularly limited in this embodiment.

Referring to fig. 2, in some embodiments of the present invention, a punch handle 140 is disposed on an upper end surface of the punch 100, and the punch handle 140 plays a role in positioning when different punches 100 are replaced, so as to improve the replacement efficiency of the punch 100.

In some embodiments of the present invention, the outer surface of the punch 100 is provided with two threaded holes, and the punch 100 is fixed on the oil press by a screw.

The utility model discloses hydraulic press, include according to the utility model discloses the ceramic ignition needle riveting device of above-mentioned embodiment.

According to the utility model discloses the hydraulic press, through adopting foretell ceramic ignition needle riveting device, the hydraulic press is as its power supply, need not to make stationary blade 300 produce elastic deformation again with the help of the compression ring, and when drift 100 vertically pushed down, utilize first annular extrusion portion 120 and second annular extrusion portion 220 to extrude the material around stationary blade 300 through-hole 310, make through-hole 310 diameter diminish, and stationary blade 300 produces plastic deformation and cramps ceramic body 400, reaches fixed effect. Different compression rings are selected to avoid the size difference of the outer diameter of the ceramic body 400, so that the processing cost is saved, and the production efficiency is improved.

Referring to fig. 6, the fixing assembly of the embodiment of the present invention is formed by the oil press according to the above embodiment of the present invention, and includes a fixing plate 300 and a ceramic body 400, wherein the fixing plate 300 is a metal plate, and the ceramic body 400 is cylindrical, and specifically is a ceramic ignition needle. The material around the through hole 310 of the fixing plate 300 generates plastic deformation through the interaction of the punch 100 and the lower die holder 200, so that the diameter of the through hole 310 is reduced, the ceramic body 400 is hooped, the fixing component is formed by processing the ceramic ignition needle riveting device of the oil press, the compression ring is not used as a medium for connection, the use of the compression ring is cancelled, and the production cost is saved.

In some embodiments of the present invention, the thickness of the fixing sheet 300 is 2.5mm to 3.5mm. Specifically, the use of 3mm as the thickness of the fixing piece 300 can maintain good rigidity, and does not break while tightening the ceramic body 400 by plastic deformation when being riveted.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A riveting device for a ceramic ignition needle is characterized by comprising:

the side wall of the first mounting hole protrudes out of the lower end face of the punch along the axial direction of the first mounting hole to form a first annular extrusion part;

the side wall of the second mounting hole protrudes out of the upper end face of the lower die base along the axial direction of the second mounting hole to form a second annular extrusion part, and the first mounting hole and the second mounting hole are matched to form a channel for positioning a ceramic body; the first annular extrusion part and the second annular extrusion part are matched to extrude the through hole of the fixing sheet, so that the fixing sheet is hooped and arranged on the ceramic body of the through hole.

2. The ceramic ignition needle riveting apparatus according to claim 1, wherein there are at least two of the first mounting hole, the second mounting hole and the through hole, respectively.

3. The ceramic ignition needle riveting apparatus of claim 1, wherein the first annular extrusion comprises a first inner peripheral edge and a first outer peripheral edge, the distance between the first inner peripheral edge and the first outer peripheral edge gradually decreases in a direction away from the lower end face of the punch, and the first inner peripheral edge and the first outer peripheral edge cooperate to form the first annular extrusion.

4. The ceramic ignition needle riveting device of claim 1, wherein the second annular extrusion comprises a second inner circumferential edge and a second outer circumferential edge, the distance between the second inner circumferential edge and the second outer circumferential edge gradually decreases in the direction away from the upper end surface of the lower die base, and the second inner circumferential edge and the second outer circumferential edge cooperate to form the second annular extrusion.

5. The ceramic ignition needle riveting device of claim 1, wherein the punch is provided with a first positioning portion, the lower die holder is provided with a second positioning portion, and the first positioning portion and the second positioning portion cooperate to position the punch and the lower die holder.

6. The ceramic ignition needle riveting device of claim 5, wherein the first positioning portion is a positioning guide post and the second positioning portion is a guide hole.

7. The ceramic ignition needle riveting device of claim 1, wherein the punch upper end face is provided with a punch shank.

8. An oil press, characterized by comprising a ceramic ignition pin riveting device according to any one of claims 1 to 7.

9. The fixing assembly, characterized in that, the fixing assembly is formed by the oil press machine of claim 8, the fixing assembly comprises a fixing plate and a ceramic body, the fixing plate is provided with a through hole, and the ceramic body is arranged in the through hole in a penetrating manner.

10. A securing assembly according to claim 9, wherein the securing tab has a thickness of 2.5mm to 3.5mm.