CN215144079U - Novel riveting punch for liquid crystal back plate - Google Patents
Novel riveting punch for liquid crystal back plate Download PDFInfo
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- CN215144079U CN215144079U CN202121393942.2U CN202121393942U CN215144079U CN 215144079 U CN215144079 U CN 215144079U CN 202121393942 U CN202121393942 U CN 202121393942U CN 215144079 U CN215144079 U CN 215144079U
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Abstract
The utility model discloses a liquid crystal back plate is with novel riveting drift, include: the core comprises a first cylinder and a second cylinder, wherein one end of the first cylinder is conical, and the other end of the first cylinder is connected with the second cylinder; the outer diameter of the first cylinder is smaller than that of the second cylinder, and the axes of the first cylinder and the second cylinder are on the same straight line; the core is arranged in the fixing column, the fixing column comprises a first shaft hole and a second shaft hole, the diameter of the first shaft hole is matched with that of the first cylinder, and the diameter of the second shaft hole is matched with that of the second cylinder; the height of the first shaft hole is smaller than that of the first cylinder, and the height of the second shaft hole is equal to that of the second cylinder. The technical problem that the riveting punch is easy to break due to stress concentration in the prior art is solved, and the technical effects of avoiding the stress concentration of the riveting punch and prolonging the service life of the riveting punch are achieved.
Description
Technical Field
The utility model relates to a rivet assembly technical field, in particular to liquid crystal backboard is with novel riveting drift.
Background
A plurality of rivets need to be riveted on a back plate of a liquid crystal television, a riveting punch is an important tool for riveting the rivets on the back plate, the riveting punch is of an integrally formed structure in the prior art, and during riveting, the bottom of a positioning part is easy to break due to stress concentration, so that the riveting punch is scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid crystal back plate is with novel riveting drift has solved among the prior art riveting drift because of the easy cracked technical problem of stress concentration, has reached and has avoided riveting drift stress concentration, prolongs the technical effect of the life of riveting drift.
In order to solve the above problem, the embodiment of the utility model provides a liquid crystal backboard is with novel riveting drift is provided, the riveting drift includes: the core comprises a first cylinder and a second cylinder, wherein one end of the first cylinder is conical, and the other end of the first cylinder is connected with the second cylinder; the outer diameter of the first cylinder is smaller than that of the second cylinder, and the axes of the first cylinder and the second cylinder are on the same straight line; the core is arranged in the fixing column, the fixing column comprises a first shaft hole and a second shaft hole, the diameter of the first shaft hole is matched with that of the first cylinder, and the diameter of the second shaft hole is matched with that of the second cylinder; the height of the first shaft hole is smaller than that of the first cylinder, and the height of the second shaft hole is equal to that of the second cylinder.
Preferably, the core is of an integrally formed structure, and the fixing column is of an integrally formed structure.
Preferably, the difference between the inner diameter of the first shaft hole and the diameter of the first cylinder is 0.04mm, and the difference between the outer diameter of the second shaft hole and the diameter of the second cylinder is 0.2 mm.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
1. the embodiment of the utility model provides a liquid crystal back plate is with novel riveting drift, institute the riveting drift includes: the core comprises a first cylinder and a second cylinder, wherein one end of the first cylinder is conical, and the other end of the first cylinder is connected with the second cylinder; the outer diameter of the first cylinder is smaller than that of the second cylinder, and the axes of the first cylinder and the second cylinder are on the same straight line; the core is arranged in the fixing column, the fixing column comprises a first shaft hole and a second shaft hole, the diameter of the first shaft hole is matched with that of the first cylinder, and the diameter of the second shaft hole is matched with that of the second cylinder; the height of the first shaft hole is smaller than that of the first cylinder, and the height of the second shaft hole is equal to that of the second cylinder. The technical problem that the riveting punch is easy to break due to stress concentration in the prior art is solved, and the technical effects of avoiding the stress concentration of the riveting punch and prolonging the service life of the riveting punch are achieved.
2. The embodiment of the utility model provides a pass through the internal diameter in first shaft hole with the difference of first cylindrical diameter is 0.04mm, the external diameter in second shaft hole with the difference of second cylindrical diameter is 0.2mm, makes and assembles the core through little clearance fit's mode in the fixed column, the stress concentration of location portion when having avoided the riveting on the one hand has improved the intensity of location portion, prolongs the life of location portion, and on the other hand only needs to be changed after location portion breaks the core need not to change whole drift, has reduced manufacturing cost.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic structural diagram of a riveting device for a liquid crystal backplane according to an embodiment of the present invention;
FIG. 2 is another schematic structural diagram of the riveting apparatus for liquid crystal backplane shown in FIG. 1;
fig. 3 is a schematic structural diagram of a novel riveting punch for a liquid crystal backplane according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fixing column of the novel riveting punch for the liquid crystal backplane shown in fig. 3;
fig. 5 is a schematic structural view of a core of the novel riveting punch for a liquid crystal backplane shown in fig. 3.
Description of reference numerals: a punching device 1; an upper riveting joint die 2; a back plate 3; a lower riveting die 4; a lower table top 5; a riveting punch 6; a fixed block 7; a backing plate 8; a first rivet 9; a core 10; a fixed column 11; a first shaft hole 12; a second shaft hole 13; a first cylinder 14; a second cylinder 15.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first" and "second," and the like, in the description and in the claims of the embodiments of the present application are used for distinguishing between different objects and not for describing a particular order of the objects. For example, the first target object and the second target object, etc. are specific sequences for distinguishing different target objects, rather than describing target objects.
For better understanding of the technical solutions of the present application, the following is a brief description of the prior art related to the present application.
Fig. 1 is a schematic structural diagram of a back plate riveting device, in which the riveting punch 6 is used for the riveting device, the riveting device includes a punch press, an upper riveting die 2, and a lower riveting die 4, the punch press includes a punching device 1 and a lower table 5, when riveting a rivet on the back plate 3, the upper riveting die 2 is fixed on the punching device, the riveting punch 6 is fixed on the lower riveting die 4, and the lower riveting die 4 is fixed on the lower table 5.
Fig. 2 is another schematic structural diagram of the back plate riveting apparatus, the riveting punch 6 is fixed on the lower riveting die 4 through a fixing block 7 and a backing plate 8, that is, the fixing block 7 includes a first through hole, the shape of the first through hole matches with the shape of the riveting punch 6, the bottom ends of the riveting punch 6 and the fixing block 7 are both placed on the fixing block 7, a bolt passes through the fixing block 7 and the backing plate 8 to fix the fixing block 7, the backing plate 8 and the riveting punch 6 on the lower riveting die 4, and then the lower riveting die 4 fixed with the riveting punch 6 is fixed on the lower table 5 of the punch press. The hole that needs the riveting rivet on backplate 3 is first rivet hole, first rivet 9 with first rivet hole phase-match, the center of first rivet 9 sets up the second through-hole. After the first rivet 9 is inserted into the first rivet hole, the back plate 3 is placed on the lower riveting die 4, wherein the second through hole is sleeved on the positioning part of the riveting punch 6. And starting the punch press, wherein the punching device 1 of the punch press drives the upper riveting die 2 to press the lower riveting die 4, and the first rivet 9 is riveted in the back plate 3 under the action of pressure.
Example one
The embodiment of the utility model provides a liquid crystal backboard is with novel riveting drift, please refer to fig. 1-5, riveting drift 6 includes:
the core 10 comprises a first cylinder 14 and a second cylinder 15, wherein one end of the first cylinder 14 is conical, and the other end of the first cylinder is connected with the second cylinder 15; the outer diameter of the first cylinder 14 is smaller than that of the second cylinder 15, and the axes of the first cylinder 14 and the second cylinder 15 are on the same straight line;
specifically, the riveting punch 6 comprises a core 10 and a fixing column 11, the core 10 is a reducing cylinder of an integrated forming structure, the core 10 comprises a first cylinder 14 and a second cylinder 15, wherein one end of the first cylinder 14 is conical, and the other end of the first cylinder is connected with the second cylinder 15. The diameter of the first cylinder 14 is smaller than that of the second cylinder 15, the height of the second cylinder 15 is smaller than that of the first cylinder 14, and a first boss is formed at the joint of the first cylinder 14 and the second cylinder 15. Wherein the diameter of the first cylinder 14 matches the diameter of the second through hole of the first rivet 9.
A fixed column 11, wherein the fixed column 11 comprises a first shaft hole 12 and a second shaft hole 13, the diameter of the first shaft hole 12 is matched with that of the first cylinder 14, and the diameter of the second shaft hole 13 is matched with that of the second cylinder 15; the height of the first shaft hole 12 is smaller than that of the first cylinder 14, and the height of the second shaft hole 13 is equal to that of the second cylinder 15; the core 10 is disposed in the fixing post 11.
Specifically, a reducing through hole is formed in the center of the fixing column 11, the reducing through hole comprises a first shaft hole 12 and a second shaft hole 13, the first shaft hole 12 is smaller than the diameter of the second shaft hole 13, a second boss is formed at the joint of the first shaft hole 12 and the second shaft hole 13, and the first boss is matched with the second boss.
The diameter of the first shaft hole 12 is matched with the diameter of the first cylinder 14, the first cylinder 14 is arranged in the first shaft hole 12 through small clearance fit, and the length of the first cylinder 14 is larger than that of the first shaft hole 12. The diameter of the second shaft bore 13 matches the diameter of the second cylinder 15, the second cylinder 15 being arranged in the second shaft bore 13 with a small clearance fit. When the core 10 is placed in the fixing column 11, the lower end of the second cylinder 15 is flush with the lower end of the fixing column 11, the part of the first cylinder 14 higher than the fixing column 11 is a positioning part of the riveting punch 6, and the positioning part is used for positioning a first rivet hole and a first rivet 9.
The first boss and the second boss are arranged, so that on one hand, the core 10 can be positioned in the process of assembling the riveting punch 6, and the accuracy of the installation position of the core 10 is ensured; on the other hand, the stressed area of the core 10 is increased during the riveting process.
Further, the core 10 is of an integrally formed structure, and the fixing column 11 is of an integrally formed structure, so that the technical effect of enhancing the structural strength of the riveting punch 6 is achieved.
Further, the difference between the diameter of the first shaft hole 12 and the diameter of the first cylinder 14 is 0.04mm, and the difference between the diameter of the second shaft hole 13 and the diameter of the second cylinder 15 is 0.2 mm.
Specifically, the clearance between the first shaft hole 12 and the first cylinder 14 is a first clearance of 0.02mm, and the first cylinder 14 is fitted in the first shaft hole 12 with a small clearance fit. The gap between the second shaft hole 13 and the second cylinder 15 is a second gap, the second gap is 0.1mm, and the second cylinder 15 is fitted in the second shaft hole 13 by a small gap fit. The second gap is larger than the first gap, so that the core 10 can be conveniently withdrawn from the fixing column 11 when the core 10 is replaced.
This application embodiment is in through assembling core 10 through little clearance fit's mode in the fixed column 11, the stress concentration of location portion when having avoided the riveting on the one hand has improved the intensity of location portion, prolongs the life of location portion, and on the other hand only needs to be changed after location portion breaks core 10 need not to change whole drift, has reduced manufacturing cost.
The embodiment of the utility model provides an in above-mentioned one or more technical scheme, have following one or more technological effect at least:
1. the embodiment of the utility model provides a liquid crystal back plate is with novel riveting drift, institute the riveting drift includes: the core comprises a first cylinder and a second cylinder, wherein one end of the first cylinder is conical, and the other end of the first cylinder is connected with the second cylinder; the outer diameter of the first cylinder is smaller than that of the second cylinder, and the axes of the first cylinder and the second cylinder are on the same straight line; the core is arranged in the fixing column, the fixing column comprises a first shaft hole and a second shaft hole, the diameter of the first shaft hole is matched with that of the first cylinder, and the diameter of the second shaft hole is matched with that of the second cylinder; the height of the first shaft hole is smaller than that of the first cylinder, and the height of the second shaft hole is equal to that of the second cylinder. The technical problem that the riveting punch is easy to break due to stress concentration in the prior art is solved, and the technical effects of avoiding the stress concentration of the riveting punch and prolonging the service life of the riveting punch are achieved.
2. The embodiment of the utility model provides a pass through the internal diameter in first shaft hole with the difference of first cylindrical diameter is 0.04mm, the external diameter in second shaft hole with the difference of second cylindrical diameter is 0.2mm, makes and assembles the core through little clearance fit's mode in the fixed column, the stress concentration of location portion when having avoided the riveting on the one hand has improved the intensity of location portion, prolongs the life of location portion, and on the other hand only needs to be changed after location portion breaks the core need not to change whole drift, has reduced manufacturing cost.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (3)
1. The utility model provides a liquid crystal backplate is with novel riveting drift which characterized in that, the riveting drift includes:
the core comprises a first cylinder and a second cylinder, wherein one end of the first cylinder is conical, and the other end of the first cylinder is connected with the second cylinder; the outer diameter of the first cylinder is smaller than that of the second cylinder, and the axes of the first cylinder and the second cylinder are on the same straight line;
the core is arranged in the fixing column, the fixing column comprises a first shaft hole and a second shaft hole, the diameter of the first shaft hole is matched with that of the first cylinder, and the diameter of the second shaft hole is matched with that of the second cylinder; the height of the first shaft hole is smaller than that of the first cylinder, and the height of the second shaft hole is equal to that of the second cylinder.
2. The clinch punch of claim 1, wherein the core is of unitary construction and the fixing post is of unitary construction.
3. The clinch punch of claim 1, wherein the difference between the inner diameter of the first shaft hole and the diameter of the first cylinder is 0.04mm, and the difference between the outer diameter of the second shaft hole and the diameter of the second cylinder is 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121393942.2U CN215144079U (en) | 2021-06-22 | 2021-06-22 | Novel riveting punch for liquid crystal back plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121393942.2U CN215144079U (en) | 2021-06-22 | 2021-06-22 | Novel riveting punch for liquid crystal back plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215144079U true CN215144079U (en) | 2021-12-14 |
Family
ID=79386268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121393942.2U Active CN215144079U (en) | 2021-06-22 | 2021-06-22 | Novel riveting punch for liquid crystal back plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215144079U (en) |
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2021
- 2021-06-22 CN CN202121393942.2U patent/CN215144079U/en active Active
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