CN210938021U - Automatic locking device for screw and nut - Google Patents
Automatic locking device for screw and nut Download PDFInfo
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- CN210938021U CN210938021U CN201921917791.9U CN201921917791U CN210938021U CN 210938021 U CN210938021 U CN 210938021U CN 201921917791 U CN201921917791 U CN 201921917791U CN 210938021 U CN210938021 U CN 210938021U
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- sleeve
- support plate
- nut sleeve
- driving mechanism
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Abstract
The utility model discloses an automatic locking device for screw and nut, which comprises a frame, a longitudinal support plate and a transverse support plate fixed on the frame, wherein a lifting plate is arranged on the longitudinal support plate, a middle support and a vertically arranged torsion motor are fixed on the lifting plate, the middle support and the transverse support plate are connected through a lifting driving mechanism, a vertically arranged nut sleeve is arranged on the middle support in a penetrating way, the lower end of the nut sleeve passes through the transverse support plate, the nut sleeve is rotationally connected with the transverse support plate and can slide up and down relative to the transverse support plate, the lower end of the nut sleeve is provided with an inner hexagonal hole which is used for loading a screwed screw and a screwed nut, the inner hexagonal hole is matched with the nut, the middle support is provided with a rotary driving mechanism for driving the nut sleeve to rotate, and a screwdriver rod of the torsion motor is inserted in the nut sleeve, the screwdriver head at the end part of the screwdriver rod is abutted against the screw cap of the screw rod and matched with the screw cap. The utility model discloses assembly quality and assembly efficiency can be improved.
Description
Technical Field
The utility model relates to a screw nut equipment of tightening especially relates to a screw nut automatic locking attaches device.
Background
In the prior art, many occasions involve a fixing mode of tightly jacking by using a nut after a screw is screwed, for example, in the communication industry, when a radio frequency converter is used for installing a resonance rod, the screw needs to be screwed to a specified depth of the resonance rod from the inner side of the radio frequency converter, and then the nut sleeved on the screw needs to be screwed until the resonance rod is locked on the radio frequency converter. However, the conventional installation mode is generally manual installation, and the assembly mode has low efficiency, and the screwing depth of a screw and the locking degree of a nut are difficult to control, so that the assembly quality is low, and the production requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind and can realize automatic assembly, easily control spiral shell and close degree of depth and locking degree, and then improve the assembly quality, improve assembly efficiency's screw nut automatic locking and attach the device.
In order to solve the technical problem, the utility model adopts the following technical scheme.
An automatic locking and attaching device for a screw and a nut comprises a rack, a longitudinal supporting plate and a transverse supporting plate, wherein the longitudinal supporting plate and the transverse supporting plate are fixed on the rack, a lifting plate is arranged on the longitudinal supporting plate and is in sliding connection with the longitudinal supporting plate, a middle support and a vertically arranged torsion motor are fixed on the lifting plate, the middle support is connected with the transverse supporting plate through a lifting driving mechanism, the middle support and the lifting plate are driven to ascend or descend by the lifting driving mechanism, a vertically arranged nut sleeve is arranged on the middle support in a penetrating manner, the lower end of the nut sleeve penetrates through the transverse supporting plate, the nut sleeve is in rotating connection with the transverse supporting plate and can slide up and down relative to the transverse supporting plate, an inner hexagonal hole is formed in the lower end of the nut sleeve, and the inner hexagonal hole is used for filling a screwed screw and the nut, the hexagonal socket is matched with the nut, the middle support is provided with a rotary driving mechanism for driving the nut sleeve to rotate, the power output end of the torque motor is provided with a batch rod, the batch rod is inserted into the nut sleeve and is rotationally connected with the nut sleeve, and a batch head at the end part of the batch rod is abutted against a nut of the screw rod and is matched with the nut; when the lifting driving mechanism drives the middle support and the lifting plate to descend until the screw rod is aligned with the mounting hole, the torsion motor drives the screw rod to be screwed to a preset depth, then the rotary driving mechanism drives the nut sleeve to rotate, and the nut is locked at the joint of the screw rod and the mounting hole by means of the nut sleeve.
Preferably, the lower end of the nut sleeve is formed with a plurality of petal-shaped clamping blocks, and the hexagon socket is located between the plurality of petal-shaped clamping blocks.
Preferably, the nut sleeve is sleeved with a sliding sleeve and the sliding sleeve is in sliding connection with the sliding sleeve, the sliding sleeve is sleeved with a lower bearing, and the lower bearing is embedded in the transverse supporting plate.
Preferably, the nut sleeve is sleeved with a middle sleeve, the middle sleeve is sleeved with an upper bearing, and the upper bearing is embedded in the middle support.
Preferably, the rotary driving mechanism comprises a stepping motor, two belt pulleys and a belt, the two belt pulleys are respectively sleeved on the rotating shaft of the stepping motor and the nut sleeve, the belt surrounds the two belt pulleys, and when the stepping motor runs, the nut sleeve is driven to rotate through the two belt pulleys and the transmission effect of the belt.
Preferably, the two sides of the middle bracket are respectively provided with a lifting driving mechanism.
Preferably, the lifting driving mechanism is an air cylinder, air cylinder supporting plates are respectively fixed on two sides of the middle support, the two lifting driving mechanisms are respectively fixedly connected with the two air cylinder supporting plates, and a driving end of each lifting driving mechanism extends downwards and is fixedly connected to the transverse supporting plate.
Preferably, an L-shaped support plate is fixed on the lifting plate, and the torsion motor passes through the L-shaped support plate and is fixedly connected with the L-shaped support plate.
Preferably, a vertical guide rail is fixed on the longitudinal support plate, a vertical sliding block is clamped on the vertical guide rail and is in sliding connection with the vertical sliding block, and the longitudinal support plate is fixedly connected with the vertical sliding block.
Preferably, two vertical guide rods are fixed on the longitudinal support plate and are respectively arranged on two sides of the vertical guide rail, a guide sliding block is sleeved on the vertical guide rods and is in sliding connection with the vertical guide rods, and the longitudinal support plate is fixedly connected with the guide sliding block.
The utility model discloses an among the screw nut automatic locking device torsion motor orders about down, can earlier twist the screw rod and revolve the preset degree of depth to the installation hole site, then utilize rotary driving mechanism orders about the nut sleeve pipe with the nut rotates, until the nut lock in the edge of installation hole site. Compared with the prior art, the utility model discloses can realize automatic assembly rotary driving mechanism with under torque motor's the effect, easily control the spiral shell of screw rod closes the degree of depth with the locking degree of nut has not only improved the assembly quality, has improved assembly efficiency moreover.
Drawings
Fig. 1 is a first perspective view of the automatic screw nut locking device of the present invention;
fig. 2 is a second perspective view of the automatic screw nut locking device of the present invention;
fig. 3 is a partially exploded view of the automatic screw nut locking device of the present invention;
fig. 4 is a partial exploded view of the automatic screw nut locking device of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 4.
Detailed Description
It should be noted that, the position words such as "upper, lower, left and right, front and back" that relate to in the utility model are only used for describing the position relation between the part more clearly, and are not used for limiting the utility model discloses an installation direction, consequently, the position change of making on the basis of the technical scheme of the utility model all should be when including within the scope of protection of the utility model.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
The utility model discloses an automatic locking device for screw nuts, which is shown by combining figures 1 to 5 and comprises a frame, a longitudinal support plate 1 and a transverse support plate 2 fixed on the frame, wherein the longitudinal support plate 1 is provided with a lifting plate 3 which is connected with the lifting plate in a sliding way, the lifting plate 3 is fixed with a middle bracket 4 and a vertically arranged torsion motor 7, the middle bracket 4 is connected with the transverse support plate 2 through a lifting driving mechanism 5, the middle bracket 4 and the lifting plate 3 are driven to ascend or descend by the lifting driving mechanism 5, a vertically arranged nut sleeve 6 is arranged on the middle bracket 4 in a penetrating way, the lower end of the nut sleeve 6 passes through the transverse support plate 2, the nut sleeve 6 is connected with the transverse support plate 2 in a rotating way, and the nut sleeve 6 can slide up and down relative to the transverse support plate 2, the lower end of the nut sleeve 6 is provided with an inner hexagonal hole 60, the inner hexagonal hole 60 is used for loading the screw 101 and the nut 100 which are screwed together, the inner hexagonal hole 60 is matched with the nut 100, the middle support 4 is provided with a rotary driving mechanism 8 for driving the nut sleeve 6 to rotate, the power output end of the torque motor 7 is provided with a batch rod 70, the batch rod 70 is inserted into the nut sleeve 6 and is rotatably connected with the nut sleeve 6, and a batch head at the end part of the batch rod 70 is abutted against a nut of the screw 101 and is matched with the nut 101;
when the lifting driving mechanism 5 drives the middle bracket 4 and the lifting plate 3 to descend until the screw 101 is aligned with the mounting hole, the torsion motor 7 drives the screw 101 to be screwed to a preset depth, then the rotary driving mechanism 8 drives the nut sleeve 6 to rotate, and the nut 100 is locked at the joint of the screw 101 and the mounting hole by means of the nut sleeve 6.
In the above device, under the driving of the torque motor 7, the screw 101 may be screwed to a preset depth of the mounting hole, and then the nut sleeve 6 and the nut 100 are driven to rotate by the rotation driving mechanism 8 until the nut 100 is locked on the edge of the mounting hole. Compared with the prior art, the utility model discloses can realize automatic assembly rotary driving mechanism 8 with under torque motor 7's the effect, easily control screw rod 101 close the spiral shell degree of depth with nut 100's locking degree has not only improved the assembly quality, has improved assembly efficiency moreover.
In order to facilitate the installation of the nut 100, in the present embodiment, the lower end of the nut sleeve 6 is formed with a plurality of petal-shaped clamping blocks 61, and the hexagon socket 60 is located between the plurality of petal-shaped clamping blocks 61. The petal-shaped clamping blocks 61 also play a role in elastically clamping the nut 100, so that the screw and the nut are prevented from falling out.
For realizing nut sleeve 6 rotates and slides from top to bottom, in this embodiment, nut sleeve 6 is gone up to overlap and is equipped with sliding sleeve 9 and the two sliding connection, the cover is equipped with down bearing 10 on the sliding sleeve 9, lower bearing 10 inlays to be located on the horizontal backup pad 2.
In order to ensure that the nut sleeve 6 stably and reliably rotates relative to the intermediate bracket 4, in this embodiment, the nut sleeve 6 is sleeved with an intermediate sleeve 11, the intermediate sleeve 11 is sleeved with an upper bearing 12, and the upper bearing 12 is embedded in the intermediate bracket 4.
As a preferable mode, the rotation driving mechanism 8 includes a stepping motor 80, two belt pulleys 81 and a belt 82, the two belt pulleys 81 are respectively sleeved on the rotating shaft of the stepping motor 80 and the nut sleeve 6, the belt 82 surrounds the two belt pulleys 81, and when the stepping motor 80 operates, the nut sleeve 6 is driven to rotate through the transmission function of the two belt pulleys 81 and the belt 82. The stepping motor is helpful for accurately controlling the screwing degree and the locking force of the nut sleeve 6.
Preferably, the two sides of the middle support 4 are respectively provided with a lifting driving mechanism 5.
In order to better realize the lifting function, in this embodiment, the lifting driving mechanism 5 is an air cylinder, two sides of the middle support 4 are respectively fixed with an air cylinder support plate 50, the two lifting driving mechanisms 5 are respectively fixedly connected with the two air cylinder support plates 50, and a driving end of the lifting driving mechanism 5 extends downward and is fixedly connected to the transverse support plate 2.
In order to support, in the embodiment, an L-shaped support plate 13 is fixed on the lifting plate 3, and the torsion motor 7 passes through the L-shaped support plate 13 and is fixedly connected with the L-shaped support plate 13.
As a preferred structure, a vertical guide rail 14 is fixed on the longitudinal support plate 1, a vertical sliding block 15 is clamped on the vertical guide rail 14 and is in sliding connection with the vertical sliding block 15, and the longitudinal support plate 1 is fixedly connected with the vertical sliding block 15.
Furthermore, two vertical guide rods 16 are fixed on the longitudinal support plate 1, the two vertical guide rods 16 are respectively arranged on two sides of the vertical guide rail 14, a guide sliding block 17 is sleeved on each vertical guide rod 16 and is in sliding connection with the vertical guide rod, and the longitudinal support plate 1 is fixedly connected with the guide sliding block 17.
Above-mentioned slide mechanism can make vertical support plate 1 slides from top to bottom more steadily, thereby improves the utility model discloses an action reliability and accuracy.
The utility model discloses an automatic locking of screw nut attaches device, its process that is applicable to radio frequency converter assembly resonance bar is in, but is not limited to this in practical application, no matter will promptly the utility model discloses use any assembly process, all belong to right the utility model discloses application mode's nimble selection, consequently all belong to the utility model discloses a protection scope.
The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An automatic locking and attaching device for screw nuts is characterized by comprising a rack, a longitudinal supporting plate and a transverse supporting plate, wherein the longitudinal supporting plate and the transverse supporting plate are fixed on the rack, a lifting plate is arranged on the longitudinal supporting plate and is in sliding connection with the longitudinal supporting plate, an intermediate support and a vertically arranged torsion motor are fixed on the lifting plate, the intermediate support is connected with the transverse supporting plate through a lifting driving mechanism, the intermediate support and the lifting plate are driven to ascend or descend by the lifting driving mechanism, a vertically arranged nut sleeve penetrates through the intermediate support, the lower end of the nut sleeve penetrates through the transverse supporting plate, the nut sleeve is rotatably connected with the transverse supporting plate and can slide up and down relative to the transverse supporting plate, an inner hexagonal hole is formed in the lower end of the nut sleeve, and the inner hexagonal hole is used for accommodating the screw and the nut which are screwed together, the hexagonal socket is matched with the nut, the middle support is provided with a rotary driving mechanism for driving the nut sleeve to rotate, the power output end of the torque motor is provided with a batch rod, the batch rod is inserted into the nut sleeve and is rotationally connected with the nut sleeve, and a batch head at the end part of the batch rod is abutted against a nut of the screw rod and is matched with the nut;
when the lifting driving mechanism drives the middle support and the lifting plate to descend until the screw rod is aligned with the mounting hole, the torsion motor drives the screw rod to be screwed to a preset depth, then the rotary driving mechanism drives the nut sleeve to rotate, and the nut is locked at the joint of the screw rod and the mounting hole by means of the nut sleeve.
2. The automatic screw nut locking device as recited in claim 1, wherein the lower end of the nut sleeve is formed with a plurality of lobe-shaped clamping blocks, and the hexagonal socket is located between the plurality of lobe-shaped clamping blocks.
3. The automatic screw nut locking device of claim 1, wherein the nut sleeve is sleeved with a sliding sleeve and the sliding sleeve is slidably connected with the sliding sleeve, the sliding sleeve is sleeved with a lower bearing, and the lower bearing is embedded in the transverse support plate.
4. The automatic screw nut locking device as claimed in claim 1, wherein the nut sleeve is sleeved with an intermediate sleeve, the intermediate sleeve is sleeved with an upper bearing, and the upper bearing is embedded in the intermediate bracket.
5. The automatic screw nut locking device according to claim 1, wherein the rotary driving mechanism comprises a stepping motor, two belt pulleys and a belt, the two belt pulleys are respectively sleeved on the rotating shaft of the stepping motor and the nut sleeve, the belt is wound around the two belt pulleys, and when the stepping motor operates, the nut sleeve is driven to rotate through the transmission action of the two belt pulleys and the belt.
6. The automatic screw nut locking device as claimed in claim 1, wherein the middle support is provided with a lifting driving mechanism at each side.
7. The automatic screw nut locking device according to claim 6, wherein the lifting driving mechanism is an air cylinder, two sides of the middle support are respectively fixed with an air cylinder support plate, the two lifting driving mechanisms are respectively fixedly connected with the two air cylinder support plates, and a driving end of the lifting driving mechanism extends downwards and is fixedly connected with the transverse support plate.
8. The automatic screw nut locking device as claimed in claim 1, wherein an L-shaped support plate is fixed on the lifting plate, and the torsion motor passes through the L-shaped support plate and is fixedly connected with the L-shaped support plate.
9. The automatic screw nut locking device as claimed in claim 1, wherein a vertical guide rail is fixed on the longitudinal support plate, a vertical sliding block is clamped on the vertical guide rail and is connected with the vertical sliding block in a sliding manner, and the longitudinal support plate is fixedly connected with the vertical sliding block.
10. The automatic screw nut locking device as claimed in claim 9, wherein two vertical guide rods are fixed on the longitudinal support plate, the two vertical guide rods are respectively arranged at two sides of the vertical guide rail, a guide slider is sleeved on the vertical guide rods and is slidably connected with the vertical guide rods, and the longitudinal support plate is fixedly connected with the guide slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917791.9U CN210938021U (en) | 2019-11-07 | 2019-11-07 | Automatic locking device for screw and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917791.9U CN210938021U (en) | 2019-11-07 | 2019-11-07 | Automatic locking device for screw and nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210938021U true CN210938021U (en) | 2020-07-07 |
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ID=71395186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921917791.9U Active CN210938021U (en) | 2019-11-07 | 2019-11-07 | Automatic locking device for screw and nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210938021U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276541A (en) * | 2020-10-14 | 2021-01-29 | 太仓中化环保化工有限公司 | Robot snatchs nut and supports positioner |
| CN112872782A (en) * | 2021-01-22 | 2021-06-01 | 龙光电子集团有限公司 | Nut locking assembly machine and assembly method thereof |
| CN112935777A (en) * | 2021-02-05 | 2021-06-11 | 保利长大海外工程有限公司 | Automatic mounting and locking device for fastener |
-
2019
- 2019-11-07 CN CN201921917791.9U patent/CN210938021U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276541A (en) * | 2020-10-14 | 2021-01-29 | 太仓中化环保化工有限公司 | Robot snatchs nut and supports positioner |
| CN112872782A (en) * | 2021-01-22 | 2021-06-01 | 龙光电子集团有限公司 | Nut locking assembly machine and assembly method thereof |
| CN112872782B (en) * | 2021-01-22 | 2022-08-19 | 龙光电子集团有限公司 | Nut locking assembly machine and assembly method thereof |
| CN112935777A (en) * | 2021-02-05 | 2021-06-11 | 保利长大海外工程有限公司 | Automatic mounting and locking device for fastener |
| CN112935777B (en) * | 2021-02-05 | 2022-07-05 | 保利长大海外工程有限公司 | Automatic mounting and locking device for fastener |
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