CN213002418U - Connecting rod type swing handle buffer protection device - Google Patents
Connecting rod type swing handle buffer protection device Download PDFInfo
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- CN213002418U CN213002418U CN202020875930.2U CN202020875930U CN213002418U CN 213002418 U CN213002418 U CN 213002418U CN 202020875930 U CN202020875930 U CN 202020875930U CN 213002418 U CN213002418 U CN 213002418U
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Abstract
The utility model discloses a connecting rod type swing handle buffer protection device, which comprises an eccentric wheel, a rocker arm, a rod end joint bearing and a swing rod, wherein the rocker arm comprises a connecting rod, a sleeve, a spring adjusting rod, a compression spring sleeved on the spring adjusting rod, a first adjusting nut and a second adjusting nut; the eccentric wheel is articulated with connecting rod one end, the other end and the muffjoint of connecting rod, the telescopic rocker nut that is equipped with, the last through-hole that is equipped with of rocker nut, the spring adjusting lever passes the through-hole and stretches into in the sleeve, is equipped with spring nut on the spring adjusting lever, compression spring is located the sleeve and is set up between spring nut and rocker nut, the spring adjusting lever still is connected with rod end joint bearing, rod end joint bearing is connected fixedly with the pendulum rod. The utility model discloses the connecting rod formula swing handle buffering protection device who obtains provides scram protection and buffering for thread rolling machine drive mechanism, can effectively prolong equipment life, practices thrift the equipment and uses the maintenance cost.
Description
Technical Field
The utility model relates to a mechanical structure, especially a connecting rod formula pendulum handle buffer protection device.
Background
In the actual processing process of the existing thread rolling machine (also called thread rolling machine), a material channel with slope is generally adopted, a workpiece which is not provided with a thread is transferred to a processing station of the thread rolling machine from the previous station by utilizing gravity, and material pushing and blocking parts of a feeding mechanism are utilized to intermittently feed materials to the processing station; sometimes, when the feeding mechanism is blocked due to a fault, a transmission part connected with the feeding mechanism due to the stagnation of the feeding mechanism can be caused due to the problems of inertia and equipment response speed, such as the condition that a rocker arm still moves under the driving of an eccentric wheel; the rocker arm of the traditional equipment is of a rigid structure, so that inertia impact caused by shutdown can be transmitted along a transmission system, the connection between the rocker arm and an eccentric wheel and the connection between the rocker arm and a swing rod are damaged, the service life of the equipment is influenced, and economic loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a connecting rod type swing handle buffer protection device which can provide protection for a transmission mechanism of a thread rolling machine and provide buffer for inertial impact caused when the thread rolling machine stops.
In order to achieve the above object, the connecting rod type swing handle buffer protection device designed by the utility model comprises an eccentric wheel, a rocker arm, a rod end joint bearing and a swing rod, wherein the rocker arm comprises a connecting rod, a sleeve, a spring adjusting rod, a compression spring sleeved on the spring adjusting rod, a first adjusting nut and a second adjusting nut; the eccentric wheel is hinged with one end of the connecting rod, the other end of the connecting rod is connected with the sleeve, a rocker nut is arranged on the sleeve, a through hole is formed in the rocker nut, the spring adjusting rod penetrates through the through hole and extends into the sleeve, a spring nut is arranged on the spring adjusting rod, the compression spring is located in the sleeve and is arranged between the spring nut and the rocker nut, the spring adjusting rod is further connected with the rod end joint bearing, the first adjusting nut and the second adjusting nut are respectively in threaded connection with the spring adjusting rod, one end of the first adjusting nut abuts against the rocker nut, and the second adjusting nut abuts against the rod end joint bearing; and the rod end joint bearing is fixedly connected with the oscillating bar.
In order to improve the transmission rate and prolong the service life, the eccentric wheel is hinged with one end of the connecting rod, namely the eccentric wheel is provided with an eccentric shaft, one end of the connecting rod is provided with a bearing seat, and a bearing matched with the eccentric shaft is arranged in the bearing seat.
In order to eliminate the rocking generated by the rocker arm in the transmission process, the connecting rod further comprises a connecting bolt and a bolt, one end of the connecting bolt is in threaded connection with the sleeve, and the other end of the connecting bolt is connected with the bearing seat through the bolt.
The eccentric wheel is connected with a guide groove seat, the guide groove seat is provided with an arc-shaped guide groove, the length of the arc-shaped guide groove is equal to the swing stroke of the eccentric wheel, the eccentric wheel is provided with a limit screw, and the limit screw is in sliding fit with the arc-shaped guide groove.
The utility model discloses the connecting rod formula swing handle buffering protection device who obtains utilizes pressure spring and sleeve, reequips the elastic construction for can be when urgent flexible with the rigidity rocking arm, for thread rolling machine drive mechanism provides scram protection and buffering, can effectively prolong equipment life, saving equipment uses the maintenance cost.
Drawings
Fig. 1 is a schematic structural view in a top view direction of an embodiment 1 of the link-type swing handle buffer protection device of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
fig. 3 is a schematic structural view in the front view direction of the embodiment 2 of the link-type swing-handle buffer protection device of the present invention;
FIG. 4 is a sectional view of a connecting portion of a bearing housing and an eccentric wheel in embodiment 2;
FIG. 5 is a plan view of embodiment 2.
In the figure: the device comprises an eccentric wheel 1, a rod end joint bearing 2, a swing rod 3, a connecting rod 4, a sleeve 5, a spring adjusting rod 6, a compression spring 7, a first adjusting nut 8, a second adjusting nut 9, a rocker nut 10, a spring nut 11, an adjusting screw 12, a swing handle seat 13, a swing handle seat bearing 14, a swing handle 15, an eccentric shaft 16, a bearing 17, a guide groove seat 18, a limiting screw 19, a bearing seat 40, a connecting bolt 41, a bolt 42, a through hole 100 and an arc-shaped guide groove 180.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
the connecting rod 4 type swing handle 15 buffer protection device described in this embodiment, as shown in fig. 1, includes an eccentric wheel 1, a rocker arm, a rod end joint bearing 2 and a swing rod 3, where the rocker arm includes a connecting rod 4, a sleeve 5, a spring adjusting rod 6, a compression spring 7 sleeved on the spring adjusting rod 6, a first adjusting nut 8 and a second adjusting nut 9; the eccentric wheel 1 is hinged to one end of a connecting rod 4, the other end of the connecting rod 4 is connected with a sleeve 5, a rocker nut 10 is mounted on the sleeve 5, a through hole 100 is formed in the rocker nut 10, a spring adjusting rod 6 penetrates through the through hole 100 and extends into the sleeve 5, a spring nut 11 is arranged on the spring adjusting rod 6, a compression spring 7 is located in the sleeve 5 and is arranged between the spring nut 11 and the rocker nut 10, the spring adjusting rod 6 is further connected with a rod end joint bearing 2, a first adjusting nut 8 and a second adjusting nut 9 are in threaded connection with the spring adjusting rod 6 respectively, one end of the first adjusting nut 8 abuts against the rocker nut 10, and the second adjusting nut 9 abuts against the rod end joint bearing 2; and the rod end joint bearing 2 is fixedly connected with the swing rod 3.
In the present embodiment, when actually installed on a thread rolling machine, as shown in fig. 2, the connecting rod 4 type swing handle 15 buffer protection device is configured to install an adjusting screw 12 on the swing rod 3, where the adjusting screw 12 is rotatably engaged with a swing handle seat 13 fixed on a frame of the thread rolling machine, and the rotatable engagement here may be that a swing handle seat bearing 14 is disposed between the adjusting screw 12 and the swing handle seat 13; the adjusting screw 12 passes through the swing handle seat 13 and then is fixedly connected with the swing handle 15, and the swing handle 15 is used for being in transmission connection with a feeding mechanism of the thread rolling machine.
In the actual working process, the eccentric wheel 1 rotates to drive the connecting rod on the eccentric wheel 1 to swing in a reciprocating manner, at the moment, the rocker arm hinged with the connecting rod makes reciprocating motion, the rocker arm pulls the swing rod 3 to rotate around the swing handle seat 13 through the rod end joint bearing 2, and the adjusting screw rod 12 fixedly connected with the swing rod 3 rotates, so that the swing handle 15 is driven to swing; when the feeding mechanism is blocked due to a fault, the swing rod 3 cannot move at the moment, so that one end of a spring adjusting rod 6 connected with the swing rod is fixed, when the eccentric wheel 1 rotates, the spring adjusting rod 6 of the rocker arm extends out of the sleeve 5 along a through hole 100 in a rocker arm nut 10 under the power action of the eccentric wheel 1, the compression spring 7 is compressed, the rocker arm can be extended in a certain range, when the eccentric wheel 1 returns, the compression spring 7 rebounds, the spring adjusting rod 6 retracts into the sleeve 5, the retraction degree is as high as that the first adjusting nut 8 abuts against the rocker arm nut 10, and the rocker arm can perform telescopic motion, so that the rocker arm can be prevented from being damaged under the combined action of the power of the eccentric wheel 1 and the blocked swing rod 3, and the impact on a transmission structure during the fault can be buffered; by adjusting the distance between the first adjusting nut 8 and the second adjusting nut 9, the compressed degree of the compression spring 7 and the extension length of the spring adjusting rod 6 can be adjusted, so that the requirements of different installation sizes and the adjustment of buffering force are met.
The connecting rod 4 formula swing handle 15 buffering protection device that this embodiment provided utilizes pressure spring and sleeve 5, reequips the rigidity rocking arm for can be in the flexible elastic construction of emergency, for thread rolling machine drive mechanism provides scram protection and buffering, can effectively prolong equipment life, saving equipment use maintenance cost.
Example 2:
as shown in fig. 3, 4 and 5, in the buffer protection device of the connecting rod 4 type swing handle 15 described in this embodiment, in addition to the features described in embodiment 1, in order to improve the transmission rate and prolong the service life, the eccentric wheel 1 is hinged to one end of the connecting rod 4, that is, the eccentric wheel 1 is provided with an eccentric shaft 16, one end of the connecting rod 4 is provided with a bearing seat 40, and a bearing 17 connected and matched with the eccentric shaft 16 is arranged in the bearing seat 40.
In this embodiment, the bearings 17 may be arranged in pairs in the bearing housing 40.
In order to eliminate the shaking generated in the transmission process of the rocker arm, as shown in fig. 3, the connecting rod 4 further comprises a connecting bolt 41 and a bolt 42, one end of the connecting bolt 41 is in threaded connection with the sleeve 5, and the other end of the connecting bolt 41 is connected with the bearing seat 40 through the bolt 42.
The eccentric wheel 1 is connected with a guide groove seat 18, as shown in fig. 3 and 4, an arc-shaped guide groove 180 is arranged on the guide groove seat 18, the length of the arc-shaped guide groove 180 is equal to the swing stroke of the eccentric wheel 1, a limit screw 19 is arranged on the eccentric wheel 1, and the limit screw 19 is in sliding fit with the arc-shaped guide groove 180.
In actual installation, the guideway seat 18 is fixed on the equipment frame.
The connecting rod 4-type swing handle 15 buffering protection device provided by the embodiment improves the transmission efficiency of the transmission structure, and facilitates the installation and connection of the sleeve 5.
Claims (4)
1. A connecting rod type swing handle buffer protection device comprises an eccentric wheel (1), a rocker arm, a rod end joint bearing (2) and a swing rod (3), and is characterized in that the rocker arm comprises a connecting rod (4), a sleeve (5), a spring adjusting rod (6), a compression spring (7) sleeved on the spring adjusting rod (6), a first adjusting nut (8) and a second adjusting nut (9); the eccentric wheel (1) is hinged with one end of a connecting rod (4), the other end of the connecting rod (4) is connected with a sleeve (5), a rocker nut (10) is arranged on the sleeve (5), a through hole (100) is arranged on the rocker nut (10), the spring adjusting rod (6) passes through the through hole (100) and extends into the sleeve (5), a spring nut (11) is arranged on the spring adjusting rod (6), the compression spring (7) is positioned in the sleeve (5) and is arranged between the spring nut (11) and the rocker nut (10), the spring adjusting rod (6) is also connected with the rod end joint bearing (2), the first adjusting nut (8) and the second adjusting nut (9) are respectively in threaded connection with the spring adjusting rod (6), one end of the first adjusting nut (8) abuts against the rocker nut (10), and the second adjusting nut (9) abuts against the rod end joint bearing (2); the rod end joint bearing (2) is fixedly connected with the swing rod (3).
2. The connecting rod type swing handle buffering protection device as claimed in claim 1, wherein the eccentric wheel (1) is hinged with one end of the connecting rod (4), which means that an eccentric shaft (16) is arranged on the eccentric wheel (1), a bearing seat (40) is arranged at one end of the connecting rod (4), and a bearing (17) which is connected and matched with the eccentric shaft (16) is arranged in the bearing seat (40).
3. The connecting rod type swing handle buffer protection device as claimed in claim 2, wherein the connecting rod (4) further comprises a connecting bolt (41) and a bolt (42), one end of the connecting bolt (41) is in threaded connection with the sleeve (5), and the other end of the connecting bolt (41) is connected with the bearing seat (40) through the bolt (42).
4. The connecting rod type swing handle buffering protection device according to claim 1, 2 or 3, characterized in that the eccentric wheel (1) is connected with a guide groove seat (18), the guide groove seat (18) is provided with an arc-shaped guide groove (180), the length of the arc-shaped guide groove (180) is equal to the swing stroke of the eccentric wheel (1), the eccentric wheel (1) is provided with a limit screw (19), and the limit screw (19) is slidably matched with the arc-shaped guide groove (180).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875930.2U CN213002418U (en) | 2020-05-22 | 2020-05-22 | Connecting rod type swing handle buffer protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875930.2U CN213002418U (en) | 2020-05-22 | 2020-05-22 | Connecting rod type swing handle buffer protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213002418U true CN213002418U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020875930.2U Active CN213002418U (en) | 2020-05-22 | 2020-05-22 | Connecting rod type swing handle buffer protection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213002418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273582A (en) * | 2021-11-16 | 2022-04-05 | 浙江宝拓机械股份有限公司 | Screw shaping cold heading machine |
| CN114538035A (en) * | 2022-03-24 | 2022-05-27 | 东莞海益机械配件有限公司 | Automatic tray-dividing, clamping and feeding equipment |
-
2020
- 2020-05-22 CN CN202020875930.2U patent/CN213002418U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273582A (en) * | 2021-11-16 | 2022-04-05 | 浙江宝拓机械股份有限公司 | Screw shaping cold heading machine |
| CN114273582B (en) * | 2021-11-16 | 2024-03-22 | 浙江宝拓机械股份有限公司 | Screw forming cold header |
| CN114538035A (en) * | 2022-03-24 | 2022-05-27 | 东莞海益机械配件有限公司 | Automatic tray-dividing, clamping and feeding equipment |
| CN114538035B (en) * | 2022-03-24 | 2024-01-05 | 东莞海益机械配件有限公司 | Automatic feeding equipment with automatic disc separation, clamping and feeding functions |
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Address after: No. 699 Jinghua Road, High tech Zone, Ningbo City, Zhejiang Province, 315103 Patentee after: SIJIN INTELLIGENT FORMING MACHINERY CO.,LTD. Address before: No.1832 Jiangnan Road, national high tech Zone, Ningbo, Zhejiang 315103 Patentee before: SIJIN INTELLIGENT FORMING MACHINERY CO.,LTD. |