CN220312407U - Caster screw chuck mechanism - Google Patents
Caster screw chuck mechanism Download PDFInfo
- Publication number
- CN220312407U CN220312407U CN202321552605.2U CN202321552605U CN220312407U CN 220312407 U CN220312407 U CN 220312407U CN 202321552605 U CN202321552605 U CN 202321552605U CN 220312407 U CN220312407 U CN 220312407U
- Authority
- CN
- China
- Prior art keywords
- screw
- caster
- rotary drum
- clamping jaw
- hollow rotary
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 210000000078 claw Anatomy 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Manipulator (AREA)
Abstract
The utility model discloses a trundle screw chuck mechanism, and aims to provide a trundle screw chuck mechanism which is simple in structure, high in machining efficiency, good in product consistency and good in universality. The utility model comprises a frame, a vertical track, an upper slide block, a screw rod and a first motor, wherein the upper slide block is provided with a trundle screw rod clamping mechanism and a trundle screw rod rotating mechanism; the caster screw clamping mechanism comprises clamping jaws, a pull rod and a lifting cylinder, wherein the clamping jaws are formed by encircling a plurality of elastic claws, the upper ends of the elastic claws are gathered and connected together, the lower ends of the elastic claws are outwards opened, the lower ends of the pull rod are connected with the upper ends of the clamping jaws, and the lifting cylinder is connected with the upper ends of the pull rod; the caster screw rotating mechanism comprises a bearing seat, a hollow rotary drum and a rotating motor which are arranged on the upper sliding block, the lower end of the hollow rotary drum is sleeved on the upper end of the clamping jaw, and the lower end of the pull rod is connected with the upper end of the clamping jaw after being inserted into the center of the hollow rotary drum. The utility model is applied to the technical field of caster screw chuck mechanisms.
Description
Technical Field
The utility model relates to a screw chuck mechanism, in particular to a caster screw chuck mechanism.
Background
As shown in fig. 1, the caster comprises a bracket a and a wheel b, wherein the wheel b is connected with the bracket a through a screw rod c, and a nut is additionally arranged at the tail part of the screw rod c and can prevent the screw rod c from falling off from the center of the wheel b. At present, manual installation is still adopted for the installation of the trundle screw rod c, the manual installation efficiency is low, and the tightness of the screw rod c and the nut is different. When the nut is connected with the screw rod c too tightly, the wheel b is easy to be blocked, and when the nut is connected with the screw rod c too loosely, the screw rod c falls off from the center of the wheel b again, so that the caster is damaged. Therefore, it is highly desirable to develop a chuck mechanism for caster screws, which further provides processing efficiency and improves product consistency.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the trundle screw chuck mechanism which has the advantages of simple structure, high processing efficiency, good product consistency and good universality.
The technical scheme adopted by the utility model is as follows: the utility model comprises a frame, a vertical track arranged on the frame, an upper sliding block in sliding connection with the vertical track, a screw rod in transmission connection with the upper sliding block, and a first motor for driving the screw rod to rotate, wherein a trundle screw rod clamping mechanism and a trundle screw rod rotating mechanism are arranged on the upper sliding block; the caster screw clamping mechanism comprises clamping jaws, a pull rod and a lifting cylinder, wherein the clamping jaws are formed by encircling a plurality of elastic claws, the upper ends of the elastic claws are gathered and connected together, the lower ends of the elastic claws are outwards opened, the lower end of the pull rod is connected with the upper ends of the clamping jaws, and the lifting cylinder is connected with the upper ends of the pull rod; the caster screw rotating mechanism comprises a bearing seat arranged on the upper sliding block, a hollow rotary drum arranged in a rotating way with the bearing seat, and a rotating motor for driving the hollow rotary drum to rotate, wherein the lower end of the hollow rotary drum is sleeved on the upper end of the clamping jaw, and the lower end of the pull rod is inserted into the center of the hollow rotary drum and then is connected with the upper end of the clamping jaw; during operation, the lifting cylinder tightens the clamping jaw upwards through the pull rod, the lower extreme of clamping jaw receives the extrusion back of hollow rotary drum lower extreme presss from both sides the head of tight screw rod, later the rotating electrical machines is again driven hollow rotary drum drives the screw rod on the clamping jaw rotates together.
Further, belt transmission is adopted between the rotating motor and the hollow rotary drum.
Further, the vertical rail is further connected with a lower slider in a sliding manner, the lower slider is located below the upper slider, a pressing cylinder for driving the lower slider to slide up and down is arranged on the frame, and a pressing head for pressing the caster is arranged on the lower slider.
Further, a screw feeding structure is further arranged on the upper sliding block, the screw feeding structure comprises a hopper arranged on the lower sliding block and a screw positioning structure arranged below the hopper, the screw positioning structure comprises a left positioning cylinder and a right positioning cylinder which are arranged on the outer side of the hopper, a left V-shaped block and a right V-shaped block are respectively arranged at the telescopic end of the left positioning cylinder and the telescopic end of the right positioning cylinder, the V-shaped opening of the left V-shaped block and the V-shaped opening of the right V-shaped block are oppositely arranged, and the left V-shaped block and the right V-shaped block are staggered up and down; after the screw falls into the hopper, the left V-shaped block and the right V-shaped block are clamped together to position the screw.
Further, two baffles are hinged below the hopper, and the two baffles are close to each other under the action of dead weight.
Drawings
FIG. 1 is a schematic view of an assembled caster;
FIG. 2 is a perspective view of the screw-free feed structure of the present utility model;
FIG. 3 is an overall perspective view of the present utility model;
FIG. 4 is a rear view of the present utility model;
FIG. 5 is a schematic combination of a caster screw clamping mechanism and a caster screw rotation mechanism;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is a perspective view of a screw feed structure;
fig. 8 is a cross-sectional view of a screw feed structure.
Detailed Description
As shown in fig. 2 to 4, in the present embodiment, the present utility model includes a frame 1, a vertical rail 2 provided on the frame 1, an upper slider 3 slidably connected to the vertical rail 2, a screw 4 drivingly connected to the upper slider 3, a first motor 5 driving the screw 4 to rotate, and a caster screw clamping mechanism 6 and a caster screw rotating mechanism 7 provided on the upper slider 3. In this embodiment, the present utility model is provided with two mutually parallel vertical rails 2, and the two vertical rails 2 can make the movement of the slider 3 smoother.
As shown in fig. 5 and 6, in this embodiment, the caster screw clamping mechanism 6 includes a clamping jaw 8, a pull rod 23, and a lifting cylinder 9, where the clamping jaw 8 is surrounded by five elastic claws, the upper ends of the five elastic claws are gathered and connected together, the lower ends of the five elastic claws are opened outwards, the lower end of the pull rod 23 is connected with the upper end of the clamping jaw 8, and the lifting cylinder 9 is connected with the upper end of the pull rod 23; the caster screw rotating mechanism 7 comprises a bearing seat 10 arranged on the upper sliding block 3, a hollow rotary drum 11 rotatably arranged with the bearing seat 10, and a rotating motor 12 for driving the hollow rotary drum 11 to rotate, wherein the lower end of the hollow rotary drum 11 is sleeved on the upper end of the clamping jaw 8, and the lower end of the pull rod 23 is inserted into the center of the hollow rotary drum 11 and then is connected with the upper end of the clamping jaw 8; when the clamping jaw 8 is in operation, the lifting cylinder 9 tightens the clamping jaw 8 upwards through the pull rod 23, the lower end of the clamping jaw 8 is extruded by the lower end of the hollow rotary drum 11 and then clamps the head of the screw 24, and then the rotary motor 12 drives the hollow rotary drum 11 to drive the screw 24 on the clamping jaw to rotate together. In this embodiment, a belt transmission is adopted between the rotary motor 12 and the hollow drum 11. The rotating motor 12 adopts a stepping motor, so that the number of turns of the screw 24 can be well controlled, and the tightness of the connection between the screw 24 and the nut can be further controlled.
In this embodiment, the vertical rail 2 is further slidably connected with a lower slider 13, the lower slider 13 is located below the upper slider 3, a pressing cylinder 14 that drives the lower slider 13 to slide up and down is disposed on the frame 1, and a pressing head 15 for pressing the caster is disposed on the lower slider 13. In this example, the pressing cylinder 14 is provided on the back of the frame 1, so that interference between the respective moving parts can be reduced. The caster can be positioned by the pressure head 15, so that the caster is effectively prevented from being deviated when the screw 24 is installed.
As shown in fig. 7 and 8, in this embodiment, the upper slider 3 is further provided with a screw feeding structure 16, the screw feeding structure 16 includes a hopper 17 disposed on the lower slider 13 and a screw positioning structure disposed below the hopper 17, the screw positioning structure includes a left positioning cylinder 18 and a right positioning cylinder 19 disposed outside the hopper 17, a left V-shaped block 20 and a right V-shaped block 21 are disposed at a telescopic end of the left positioning cylinder 18 and a telescopic end of the right positioning cylinder 19, respectively, a V-shaped opening of the left V-shaped block 20 and a V-shaped opening of the right V-shaped block 21 are disposed opposite to each other, and the left V-shaped block 20 and the right V-shaped block 21 are disposed in a vertically staggered manner; after the screw 24 falls into the hopper 17, the left V-shaped block 20 and the right V-shaped block 21 jointly clamp the screw 24 for positioning. In this embodiment, two baffles 22 are hinged below the hopper 17, and the two baffles 22 approach each other under the action of self weight. The two baffles 22 can block the falling screw 24, so that the positioning of the subsequent screw 24 is ensured. After positioning, the clamping jaw 8 descends and clamps the head of the screw 24, then the left V-shaped block 20 and the right V-shaped block 21 are opened again, and then the first motor 5 enables the upper sliding block 3 to continue to move downwards through the screw 4. After the screw 24 moves to a designated position, the rotating motor 12 drives the hollow rotary drum 11 to drive the screw 24 on the clamping jaw 8 to rotate together, so that the screw 24 completes the rotation of a set number of turns, and finally the clamping jaw 8 is loosened, and the installation of the screw 24 is completed.
While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.
Claims (5)
1. The utility model provides a truckle screw chuck mechanism, includes frame (1), sets up vertical track (2) on frame (1), with upper slider (3) of vertical track (2) sliding connection, with lead screw (4) that upper slider (3) transmission is connected, drive lead screw (4) pivoted first motor (5), its characterized in that: the upper sliding block (3) is provided with a trundle screw clamping mechanism (6) and a trundle screw rotating mechanism (7); the caster screw clamping mechanism (6) comprises a clamping jaw (8), a pull rod (23) and a lifting cylinder (9), wherein the clamping jaw (8) is formed by encircling a plurality of elastic claws, the upper ends of the elastic claws are gathered and connected together, the lower ends of the elastic claws are outwards opened, the lower end of the pull rod (23) is connected with the upper end of the clamping jaw (8), and the lifting cylinder (9) is connected with the upper end of the pull rod (23); the caster screw rotating mechanism (7) comprises a bearing seat (10) arranged on the upper sliding block (3), a hollow rotary drum (11) rotatably arranged with the bearing seat (10) and a rotating motor (12) for driving the hollow rotary drum (11) to rotate, the lower end of the hollow rotary drum (11) is sleeved on the upper end of the clamping jaw (8), and the lower end of the pull rod (23) is inserted into the center of the hollow rotary drum (11) and then connected with the upper end of the clamping jaw (8); during operation, the lifting cylinder (9) tightens the clamping jaw (8) upwards through the pull rod (23), the lower end of the clamping jaw (8) is pressed by the lower end of the hollow rotary drum (11) and then clamps the head of the screw rod (24), and then the rotary motor (12) drives the hollow rotary drum (11) to drive the screw rod (24) on the clamping jaw to rotate together.
2. A caster screw chuck mechanism according to claim 1, wherein: the rotary motor (12) and the hollow rotary drum (11) are driven by a belt.
3. A caster screw chuck mechanism according to claim 2, wherein: the vertical track (2) is further connected with a lower slider (13) in a sliding manner, the lower slider (13) is located below the upper slider (3), a pressing cylinder (14) for driving the lower slider (13) to slide up and down is arranged on the frame (1), and a pressing head (15) for pressing the caster wheels is arranged on the lower slider (13).
4. A caster screw chuck mechanism according to claim 3, wherein: the upper sliding block (3) is further provided with a screw feeding structure (16), the screw feeding structure (16) comprises a hopper (17) arranged on the lower sliding block (13) and a screw positioning structure arranged below the hopper (17), the screw positioning structure comprises a left positioning cylinder (18) and a right positioning cylinder (19) arranged on the outer side of the hopper (17), the telescopic ends of the left positioning cylinder (18) and the right positioning cylinder (19) are respectively provided with a left V-shaped block (20) and a right V-shaped block (21), the V-shaped opening of the left V-shaped block (20) and the V-shaped opening of the right V-shaped block (21) are oppositely arranged, and the left V-shaped block (20) and the right V-shaped block (21) are staggered up and down; after the screw rod (24) falls into the hopper (17), the left V-shaped block (20) and the right V-shaped block (21) are clamped together to position the screw rod (24).
5. A caster screw chuck mechanism as in claim 4, wherein: two baffles (22) are hinged below the hopper (17), and the two baffles (22) are close to each other under the action of dead weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552605.2U CN220312407U (en) | 2023-06-19 | 2023-06-19 | Caster screw chuck mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552605.2U CN220312407U (en) | 2023-06-19 | 2023-06-19 | Caster screw chuck mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220312407U true CN220312407U (en) | 2024-01-09 |
Family
ID=89421158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321552605.2U Active CN220312407U (en) | 2023-06-19 | 2023-06-19 | Caster screw chuck mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220312407U (en) |
-
2023
- 2023-06-19 CN CN202321552605.2U patent/CN220312407U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204959290U (en) | Automatic pearl mechanism that send is embroidered to pearl | |
| CN108284347A (en) | A kind of semi-automatic drilling machine | |
| CN115837580B (en) | Automatic tool feeding and assembling equipment | |
| CN109366140B (en) | Full-automatic press-fitting machine for assembling multiple specification carrier rollers | |
| CN111804765A (en) | High-efficient straightening unit of small-bore thick wall metal tubular product | |
| CN208628822U (en) | A kind of multiple degrees of freedom device for screwing up | |
| CN112191760A (en) | Automatic can body forming machine | |
| CN220312407U (en) | Caster screw chuck mechanism | |
| CN212221659U (en) | Go up two manipulators that snatch of unloading | |
| CN110612954B (en) | Automatic production line for fishhook binding device | |
| CN115430984B (en) | Multi-vehicle-shape switching device for vehicle body welding | |
| CN116237745A (en) | Automatic assembly machine for U-shaped wire clamp fitting | |
| CN2799090Y (en) | Material feeding belt width adjustment device of automatic paint spraying machine | |
| CN214778977U (en) | Full-automatic rotatable upset carton feeder | |
| CN110612955B (en) | Automatic production process of fishhook binding device | |
| CN214956424U (en) | Winding mechanism for T-shaped magnetic core | |
| CN112186616A (en) | Electric power construction draw gear | |
| CN219726240U (en) | Two-axis carrying manipulator for red impact hot forging product | |
| CN115069511B (en) | Cable sleeve surface anti-corrosion treatment device for track traffic | |
| CN106743591A (en) | The brake pump pump cover feed mechanism of brake pump pump cover feeder | |
| CN215318084U (en) | Elevator shaft feeding device | |
| CN220480017U (en) | Feeding mechanism of automobile stamping die | |
| CN112247028B (en) | Material guiding and conveying device for necking machine and working method of material guiding and conveying device | |
| CN215401580U (en) | Pipe contracting device for straw | |
| CN212652426U (en) | High-efficient straightening unit of small-bore thick wall metal tubular product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |