CN221003411U - Screw thread hold-down mechanism of adaptation automation installation - Google Patents
Screw thread hold-down mechanism of adaptation automation installation Download PDFInfo
- Publication number
- CN221003411U CN221003411U CN202322905738.XU CN202322905738U CN221003411U CN 221003411 U CN221003411 U CN 221003411U CN 202322905738 U CN202322905738 U CN 202322905738U CN 221003411 U CN221003411 U CN 221003411U
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- pressing plate
- upper pressing
- fastening screw
- screw
- lower pressing
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- 238000009434 installation Methods 0.000 title claims abstract description 13
- 230000006978 adaptation Effects 0.000 title claims description 5
- 230000005484 gravity Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a screw thread pressing mechanism suitable for automatic installation, which comprises a lower pressing plate and an upper pressing plate, wherein parts are fixed between the lower pressing plate and the upper pressing plate, and the lower pressing plate is connected with the upper pressing plate through fastening screws; the fastening screw comprises a threaded section and a polished rod section, the diameter of the threaded section is larger than that of the polished rod section, the polished rod section is sleeved with a spring, and two ends of the spring are correspondingly abutted against the upper pressing plate and the nut of the fastening screw respectively; the lower pressing plate and the upper pressing plate are respectively provided with a threaded through hole matched with the threaded section. The utility model has good use effect, and avoids the situation that the fastening screw is possibly completely separated from the upper pressing plate during disassembly; the problem that when the fastening screw is detached, the screw thread of the fastening screw and the lower pressing plate are slightly meshed due to self gravity is solved; and a locating pin is added between the upper pressing plate and the lower pressing plate to locate the upper pressing plate, so that the problem of uneven stress caused by warping of the upper pressing plate in the pressing process of the fastening screw is solved.
Description
Technical Field
The utility model relates to the technical field of automatic assembly, in particular to a thread pressing mechanism suitable for automatic installation.
Background
The clamping and fixing of the components by adopting the screw mechanism is a common process method for temporarily fixing the parts in automatic assembly, the parts are fixed by directly using screw threads through a pressing plate, fixed force installation is realized by applying fixed torque to the screws, the position fixing of products is ensured, the fastening screws generally select internal hexagonal screws, as shown in fig. 3, the problem in the automatic assembly by adopting the structure mainly exists that the screws are not completely screwed out from the lower pressing plate when the rotation number of the screws is insufficient, and the purpose of product disassembly cannot be realized; the screw can appear in the number of turns too many and twist off from the top board, next assembly efficiency reduces, there is screw anticreep demand, it still exists and gets the screw sword back from the screw head, the screw can drop slightly because of self gravity reason and lead to screw thread and holding down plate screw thread to slightly mesh, the condition that leads to automation equipment to dismantle normally appears, there is the requirement of preventing screw thread and slightly meshing again, general product can adopt two or more screws to compress tightly at least in addition, when general structure has a screw to screw up earlier, the top board can warp the condition, screw up additional screw according to original moment again, the condition that the top board exists can not evenly compress tightly the product appears.
Disclosure of utility model
The technical problem to be solved by the utility model is to overcome the existing defects, and provide the screw thread compressing mechanism suitable for automatic installation, which has good use effect and avoids the situation that the fastening screw is possibly completely separated from the upper pressing plate during disassembly; the problem that when the fastening screw is detached, the screw thread of the fastening screw and the lower pressing plate are slightly meshed due to self gravity is solved; the locating pin is added between the upper pressing plate and the lower pressing plate to locate the upper pressing plate, so that the problem of uneven stress caused by warping of the upper pressing plate in the pressing process of the fastening screw is solved, and the problem in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the screw thread pressing mechanism suitable for automatic installation comprises a lower pressing plate and an upper pressing plate, wherein parts are fixed between the lower pressing plate and the upper pressing plate, and the lower pressing plate is connected with the upper pressing plate through fastening screws; the fastening screw comprises a threaded section and a polished rod section, the diameter of the threaded section is larger than that of the polished rod section, the polished rod section is sleeved with a spring, and two ends of the spring are correspondingly abutted against the upper pressing plate and the nut of the fastening screw respectively; the lower pressing plate and the upper pressing plate are respectively provided with a threaded through hole matched with the threaded section.
Preferably, at least two positioning pins are further arranged between the lower pressing plate and the upper pressing plate, the two positioning pins are in interference fit with the lower pressing plate, the upper pressing plate is provided with a round hole matched with one positioning pin, and the upper pressing plate is further provided with a waist-shaped hole matched with the other positioning pin.
Preferably, a gasket is further arranged between the nut of the fastening screw and the spring.
Preferably, the fastening screw, the gasket and the spring are respectively provided with two groups and are symmetrically arranged left and right.
Preferably, the lower pressing plate is provided with a groove for placing the part, and the upper pressing plate is provided with a pressing block for pressing the part.
Compared with the prior art, the utility model has the beneficial effects that: the unthreaded hole of the upper pressing plate is changed into a threaded hole, the thread size of the unthreaded hole is consistent with that of the fastening screw, the fastening screw is processed into a thread section and a polished rod section, and the situation that the fastening screw is possibly completely separated from the upper pressing plate during disassembly is avoided; the spring is added between the upper pressing plate and the gasket, and the self gravity of the fastening screw is overcome through the elasticity, so that the problem that the screw thread is slightly meshed with the lower pressing plate due to the self gravity when the fastening screw is disassembled is solved; and a locating pin is added between the upper pressing plate and the lower pressing plate to locate the upper pressing plate, so that the problem of uneven stress caused by warping of the upper pressing plate in the pressing process of the fastening screw is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the fastening screw of the present utility model;
fig. 3 is a schematic diagram of a conventional structure.
In the figure: 1 lower pressure plate, 2 upper pressure plate, 3 gaskets, 4 springs, 5 fastening screws, 5.1 thread sections, 5.2 polish rod sections, 6 parts and 7 positioning pins.
Detailed Description
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
Referring to fig. 1-3, the present utility model provides a technical solution: the screw thread pressing mechanism suitable for automatic installation comprises a lower pressing plate 1 and an upper pressing plate 2, wherein a part 6 is fixed between the lower pressing plate 1 and the upper pressing plate 2, and the lower pressing plate 1 and the upper pressing plate 2 are connected through a fastening screw 5; the fastening screw 5 comprises a thread section 5.1 and a polished rod section 5.2, the diameter of the thread section 5.1 is larger than that of the polished rod section 5.2, the polished rod section 5.2 is sleeved with a spring 4, and two ends of the spring 4 are correspondingly abutted against the upper pressing plate 2 and the nuts of the fastening screw 5 respectively; the lower pressing plate 1 and the upper pressing plate 2 are respectively provided with a threaded through hole matched with the threaded section 5.1 correspondingly;
It can be understood that the original unthreaded hole on the upper pressing plate 2 is replaced by a threaded hole matched with the threaded section 5.1 of the fastening screw 5, so that the situation that the fastening screw 5 is possibly completely separated from the upper pressing plate 2 during disassembly is avoided, the polished rod section 5.2 can move up and down in the threaded through hole of the upper pressing plate 2 and is not matched with the threaded through hole, and the problem that meshing dislocation occurs between the threaded through hole of the upper pressing plate 2 and the threaded through hole of the lower pressing plate 1 when the whole fastening screw 5 is threaded is avoided; the spring 4 is sleeved on the polish rod section 5.2, and the self gravity of the fastening screw 5 is overcome through elasticity, so that the problem that screw threads are slightly meshed with the lower pressure plate 1 due to the self gravity during disassembly is solved;
Further, at least two positioning pins 7 are arranged between the lower pressing plate 1 and the upper pressing plate 2, the two positioning pins 7 are in interference fit with the lower pressing plate 1, the upper pressing plate 2 is provided with a round hole matched with one positioning pin 7, and the upper pressing plate 2 is also provided with a waist-shaped hole matched with the other positioning pin 7; a positioning pin 7 is added between the upper pressing plate 2 and the lower pressing plate 1, and the positioning pin 7 can position the upper pressing plate, so that the problem of uneven stress caused by the warping of the upper pressing plate 2 in the pressing process of the fastening screw 5 is solved;
Further, a gasket 3 is arranged between the nut of the fastening screw 5 and the spring 4; the fastening screws 5, the gaskets 3 and the springs 4 are correspondingly provided with two groups and are symmetrically arranged left and right, and the parts 6 are fixed by pressing the upper pressing plate 2 and the lower pressing plate 1 through the two groups of fastening screws 5, the gaskets 3 and the springs 4;
In addition, the lower platen 1 is provided with a groove for placing the part 6, and the upper platen 2 is provided with a pressing block for pressing the part 6.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.
Claims (5)
1. The utility model provides an adaptation automation installation's screw thread hold-down mechanism, includes holding down plate (1) and top board (2), its characterized in that: a part (6) is fixed between the lower pressing plate (1) and the upper pressing plate (2), and the lower pressing plate (1) is connected with the upper pressing plate (2) through a fastening screw (5); the fastening screw (5) comprises a threaded section (5.1) and a polished rod section (5.2), the diameter of the threaded section (5.1) is larger than that of the polished rod section (5.2), the polished rod section (5.2) is sleeved with a spring (4), and two ends of the spring (4) are correspondingly abutted against the upper pressing plate (2) and the screw cap of the fastening screw (5) respectively; the lower pressing plate (1) and the upper pressing plate (2) are respectively provided with a threaded through hole matched with the threaded section (5.1) correspondingly.
2. A screw press mechanism adapted for automated installation as claimed in claim 1, wherein: still be equipped with two locating pins (7) at least between holding down plate (1) and top board (2), two locating pins (7) all with holding down plate (1) interference fit, top board (2) be equipped with the round hole of one of them locating pin (7) adaptation, top board (2) still be equipped with the kidney-shaped hole of another one locating pin (7) adaptation.
3. A screw press mechanism adapted for automated installation as claimed in claim 1, wherein: a gasket (3) is further arranged between the nut of the fastening screw (5) and the spring (4).
4. A screw press mechanism adapted for automated installation according to claim 3, wherein: the fastening screw (5), the gasket (3) and the spring (4) are correspondingly provided with two groups and are symmetrically arranged left and right.
5. A screw press mechanism adapted for automated installation as claimed in claim 1, wherein: the lower pressing plate (1) is provided with a groove for placing the part (6), and the upper pressing plate (2) is provided with a pressing block for pressing the part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905738.XU CN221003411U (en) | 2023-10-27 | 2023-10-27 | Screw thread hold-down mechanism of adaptation automation installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905738.XU CN221003411U (en) | 2023-10-27 | 2023-10-27 | Screw thread hold-down mechanism of adaptation automation installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003411U true CN221003411U (en) | 2024-05-24 |
Family
ID=91113167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322905738.XU Active CN221003411U (en) | 2023-10-27 | 2023-10-27 | Screw thread hold-down mechanism of adaptation automation installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003411U (en) |
-
2023
- 2023-10-27 CN CN202322905738.XU patent/CN221003411U/en active Active
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