CN111438282A - Ring riveting device and ring riveting method thereof - Google Patents
Ring riveting device and ring riveting method thereof Download PDFInfo
- Publication number
- CN111438282A CN111438282A CN202010398272.7A CN202010398272A CN111438282A CN 111438282 A CN111438282 A CN 111438282A CN 202010398272 A CN202010398272 A CN 202010398272A CN 111438282 A CN111438282 A CN 111438282A
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- CN
- China
- Prior art keywords
- riveting
- teeth
- ring
- diameter
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/28—Making other particular articles wheels or the like gear wheels
Abstract
The invention discloses a ring riveting device and a ring riveting method thereof, which are used for ring riveting of a combined gear. The axis of going up the mould aligns with the axle center of composite gear, and the riveting tooth of going up the mould carries out the riveting to the terminal surface of piece tooth from top to bottom, and the fitting surface periphery of riveting tooth riveting piece tooth and axle tooth forms a plurality of riveting holes, increases the cooperation position area of contact between piece tooth and the axle tooth, reaches the purpose that increases the axial sliding force, solves the phenomenon that the cooperation position slipped and became invalid under the atress circumstances of using.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a ring riveting device and a ring riveting method thereof.
Background
The conventional combined gear has the advantages that the matching position between the sheet tooth and the shaft tooth is small, so that the phenomenon of slippage and failure of the matching position can occur under the condition of stressed use, and the combined gear cannot normally work.
Disclosure of Invention
In order to solve the problems, the invention provides a ring riveting device, which increases the matching position between sheet teeth and shaft teeth by performing ring riveting processing outside the matching position of the sheet teeth and the shaft teeth, and solves the phenomenon that the matching position slips and fails under the condition of stressed use.
Another object of the present invention is to provide a ring riveting method of the ring riveting apparatus.
The technical scheme includes that the ring riveting device is used for performing ring riveting on a combined gear and comprises an upper die and a lower die, a plurality of riveting teeth are arranged on the end face of the upper die, a die core hole is formed in the lower die, and shaft teeth of the combined gear are accommodated in the die core hole for positioning. The axis of going up the mould aligns with the axle center of composite gear, and the riveting tooth of going up the mould carries out the riveting to the terminal surface of piece tooth from top to bottom, and the fitting surface periphery of riveting tooth riveting piece tooth and axle tooth forms a plurality of riveting holes, increases the cooperation position area of contact between piece tooth and the axle tooth, reaches the purpose that increases the axial sliding force, solves the phenomenon that the cooperation position slipped and became invalid under the atress circumstances of using.
Further, rivet the tooth and be the arc, a plurality of riveting tooth equidistance distribute in same circumference.
Further, the ring riveting device further comprises a positioning mold core, the positioning mold core is located in the mold core hole and comprises a main body part and an inserting part, the diameter of the main body part is larger than that of the shaft hole of the combined gear, and the inserting part is used for inserting the shaft hole of the combined gear to position the combined gear.
Further, the ring riveting device further comprises an elastic piece, a movable cavity is further formed in the lower die, the movable cavity is communicated with the outside through a die core hole, a step portion is arranged on the lower die in the protruding portion of the die core hole, a clamping portion is further arranged on the positioning die core, the two ends of the main body portion are connected with the inserting portion and the clamping portion respectively, the diameter of the clamping portion is larger than that of the main body portion, the clamping portion is located in the movable cavity, the diameter of the clamping portion is larger than that of the die core hole in the step portion, the elastic piece is located in the movable cavity, one end of the elastic piece is abutted to the clamping portion, and the other. Through setting up the elastic component, can pop out the convenient operation smoothly at gear ring riveting back auxiliary gear.
Further, the ring riveting device further comprises a machine-meter screw, the machine-meter screw is installed at the bottom of the lower die, one end of the machine-meter screw is located in the movable cavity, the other end of the machine-meter screw is exposed to the outside, one end of the elastic piece is abutted to the clamping portion, and the other end of the elastic piece is abutted to the machine-meter screw. According to the magnitude of the actual using force, the screw can be effectively advanced and retreated from top to bottom, and the effect to be achieved by ring riveting can be conveniently controlled and realized.
Further, the elastic member is a spring.
Further, the ring riveting device further comprises a base, the lower die comprises an upper cylinder and a lower cylinder, the diameter of the upper cylinder is larger than that of the lower cylinder, a through hole is formed in the base, the diameter of the through hole is matched with that of the lower cylinder, and the lower cylinder is embedded into the through hole. The lower die and the base are designed in such a way that the detachability of the tool and the replaceability of parts are considered, and the tool is simple and convenient to operate, safe and reliable.
Further, the diameter of the die core hole is larger than the diameter of the shaft tooth of the combined gear, and the maximum diameter of the sheet tooth of the combined gear is larger than the diameter of the die core hole. I.e. the chip teeth do not enter the die core holes.
The other technical scheme of the invention is as follows: the ring riveting method of the ring riveting device comprises the steps of placing the shaft teeth of the combined gear into the mold core holes to complete positioning of the combined gear, aligning the axis of the upper mold with the axis of the combined gear, riveting the end faces of the sheet teeth by the riveting teeth of the upper mold from top to bottom, riveting the periphery of the matching surface of the sheet teeth and the shaft teeth by the riveting teeth to form a plurality of riveting holes, and removing the upper mold after riveting.
Compared with the prior art, the invention has the following beneficial effects:
the ring riveting device can rivet and press the periphery of the matching surface of the sheet tooth and the shaft tooth of the combined gear to form a plurality of riveting holes, increase the contact area of the matching position between the sheet tooth and the shaft tooth, achieve the purpose of increasing the axial sliding force, and solve the problem of sliding failure of the matching position under the condition of stressed use.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is an exploded view of the ring riveting apparatus of the present invention.
Fig. 2 is a cross-sectional view of the ring riveting apparatus of the present invention.
The upper die 1, the riveting teeth 11, the lower die 2, the upper cylinder 21, the lower cylinder 22, the die core hole 23, the movable cavity 24, the step part 25, the positioning die core 3, the main body part 31, the inserting part 32, the clamping part 33, the elastic part 4, the machine-meter screw 5, the base 6, the through hole 61, the combination gear 7, the sheet tooth
71. The shaft teeth 72.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
The invention provides a ring riveting device which is used for ring riveting of a combined gear and comprises an upper die 1, a lower die 2, a positioning die core 3, an elastic piece 4, a machine-meter screw 5 and a base 6.
The terminal surface of going up the mould is equipped with a plurality of teeth 11 of riveting, rivets the tooth and is the arc, and a plurality of teeth equidistance of riveting distribute on same circumference.
The lower die comprises an upper cylinder 21 and a lower cylinder 22, the diameter of the upper cylinder is larger than that of the lower cylinder, a through hole 61 is formed in the base, the diameter of the through hole is matched with that of the lower cylinder, and the lower cylinder is embedded into the through hole.
The inside mould core hole 23 and the activity chamber 24 of having seted up of lower mould, the location mold core is located the mold core hole, the activity chamber passes through the mold core hole and communicates with the external world, the lower mould sets up step portion 25 in the protrusion of mold core hole department, the location mold core includes main part 31, grafting portion 32 and clamping portion 33, the both ends of main part are connected with grafting portion and clamping portion respectively, the diameter of main part is greater than the diameter of grafting portion, the diameter of clamping portion is greater than the diameter of main part, the clamping portion is located the activity intracavity, the diameter of clamping portion is greater than the diameter of mold core hole at step portion department, the elastic component is located the activity intracavity, the one end butt clamping portion of elastic component, the bottom in other end butt activity chamber, the diameter of main part is greater than the shaft hole diameter of composite gear, the grafting portion is used for. In this embodiment, the elastic member is a spring. Through setting up the elastic component, can pop out the convenient operation smoothly at gear ring riveting back auxiliary gear.
The machine rice screw is installed in the bottom of lower mould, and the one end of machine rice screw is located the activity intracavity, and the other end exposes in the external world, and the one end butt card of elastic component is held, and the other end butt machine rice screw. According to the magnitude of the actual using force, the screw can be effectively advanced and retreated from top to bottom, and the effect to be achieved by ring riveting can be conveniently controlled and realized.
The ring riveting method of the ring riveting device comprises the steps that firstly, shaft teeth of the combined gear are placed in a mold core hole, an inserting part is inserted into a shaft hole of the combined gear, the end face of the shaft teeth of the combined gear abuts against a main body part to complete positioning of the combined gear, then the shaft center of an upper mold is aligned with the shaft center of the combined gear, riveting is conducted on the end face of a sheet tooth 71 by the riveting teeth of the upper mold from top to bottom, the periphery of the matching face of the riveting sheet tooth and the shaft teeth 72 of the riveting teeth is riveted to form a plurality of riveting holes, in the riveting process, along with downward pressing of the sheet tooth by the upper mold, the positioning mold core moves axially downwards in a mold core hole and a movable cavity until the end face of the sheet tooth abuts against the top face of a lower mold, after the riveting is completed, the upper mold is removed, an elastic piece restores to deform to push the positioning mold core. Through the cooperation position area of contact between increase piece tooth and the axle tooth of riveting ring, reach the purpose that increases axial sliding force, can appear the problem that cooperation position skidded the inefficacy under the condition of solving the composite gear atress and using.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The ring riveting device is used for ring riveting a combined gear and is characterized by comprising an upper die and a lower die, wherein a plurality of riveting teeth are arranged on the end surface of the upper die, a die core hole is formed in the lower die, and shaft teeth of the combined gear are accommodated in the die core hole for positioning.
2. The ring riveting device according to claim 1, wherein the riveting teeth are arc-shaped, and a plurality of riveting teeth are equidistantly distributed on the same circumference.
3. The ring riveting device according to claim 1, further comprising a positioning mold core, wherein the positioning mold core is located in the mold core hole and comprises a main body part and an insertion part, the diameter of the main body part is larger than that of the shaft hole of the combined gear, and the insertion part is used for being inserted into the shaft hole of the combined gear to position the combined gear.
4. The ring riveting device according to claim 3, further comprising an elastic member, wherein the lower mold further comprises a movable cavity, the movable cavity is communicated with the outside through a mold core hole, the lower mold is provided with a step part protruding from the mold core hole, the positioning mold core is further provided with a clamping part, two ends of the main body part are respectively connected with the inserting part and the clamping part, the diameter of the clamping part is larger than that of the main body part, the clamping part is located in the movable cavity, the diameter of the clamping part is larger than that of the mold core hole at the step part, the elastic member is located in the movable cavity, one end of the elastic member abuts against the clamping part, and the other end of the elastic member abuts against the bottom of.
5. The ring riveting device according to claim 4, further comprising a machine-meter screw, wherein the machine-meter screw is mounted at the bottom of the lower die, one end of the machine-meter screw is located in the movable cavity, the other end of the machine-meter screw is exposed to the outside, one end of the elastic piece abuts against the clamping portion, and the other end of the elastic piece abuts against the machine-meter screw.
6. The ring riveting apparatus according to claim 4, wherein the elastic member is a spring.
7. The ring riveting device according to claim 1, further comprising a base, wherein the lower die comprises an upper cylinder and a lower cylinder, the diameter of the upper cylinder is larger than that of the lower cylinder, a through hole is formed in the base, the diameter of the through hole is matched with that of the lower cylinder, and the lower cylinder is embedded into the through hole.
8. The ring riveting apparatus according to claim 1, wherein the diameter of the die core hole is larger than the diameter of the shaft teeth of the combination gear, and the maximum diameter of the plate teeth of the combination gear is larger than the diameter of the die core hole.
9. A ring riveting method of a ring riveting device according to any one of claims 1-8, characterized by comprising the steps of placing the shaft teeth of the combined gear into the mold core holes to complete the positioning of the combined gear, aligning the axis of the upper mold with the axis of the combined gear, riveting the end surfaces of the sheet teeth by the riveting teeth of the upper mold from top to bottom, riveting the periphery of the matching surfaces of the sheet teeth and the shaft teeth by the riveting teeth to form a plurality of riveting holes, and removing the upper mold after the riveting is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398272.7A CN111438282A (en) | 2020-05-12 | 2020-05-12 | Ring riveting device and ring riveting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398272.7A CN111438282A (en) | 2020-05-12 | 2020-05-12 | Ring riveting device and ring riveting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111438282A true CN111438282A (en) | 2020-07-24 |
Family
ID=71656803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010398272.7A Withdrawn CN111438282A (en) | 2020-05-12 | 2020-05-12 | Ring riveting device and ring riveting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111438282A (en) |
-
2020
- 2020-05-12 CN CN202010398272.7A patent/CN111438282A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200724 |