CN211366437U - Roller traction device - Google Patents
Roller traction device Download PDFInfo
- Publication number
- CN211366437U CN211366437U CN201922061908.4U CN201922061908U CN211366437U CN 211366437 U CN211366437 U CN 211366437U CN 201922061908 U CN201922061908 U CN 201922061908U CN 211366437 U CN211366437 U CN 211366437U
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- roller
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Abstract
The utility model discloses a roller traction device, which comprises one or more traction wheels, wherein two ends of each traction wheel are arranged on a mounting frame, and the mounting frame is arranged on a mounting rod; a power mechanism is arranged at the edge of the mounting frame and connected with a screw, a nut is mounted on the screw, and the power mechanism drives the screw to rotate; a sleeve is arranged outside the screw rod, and a sliding groove along the axial direction of the screw rod is arranged on the sleeve; the nut is provided with a slip sheet, the slip sheet is positioned in the sliding groove, and the nut moves along the sliding groove when the screw rod rotates; a spring is sleeved outside the screw rod between the mounting frame and the nut, and when the nut moves along the sliding groove, the nut pushes the mounting frame to rotate along the mounting rod by pushing the spring; the utility model discloses conveniently adjust the roller to the traction force of fabric, to different fabric strong adaptability, improve production efficiency.
Description
Technical Field
The utility model relates to a roller tractive device for as computerized flat knitting machine part for the fabric after will weaving the mechanism shaping is in the clamping state and pulls downwards, in order to do benefit to the knitting of latch needle and turn over the realization of functions such as needle.
Background
The roller mainly comprises a roller driving rod, a roller driven rod and a roller support, the roller support is arranged between the roller driving rod and the roller driven rod, a roller leather sleeve is sleeved outside the roller driving rod, the roller driven rod and the roller support, and the roller driving rod drives the roller leather sleeve to rotate on the roller driving rod and the roller driven rod when rotating. When the device works, when the corresponding two roller leather covers move oppositely, the roller leather covers of the rollers are supported by the supporting surface at the position of the roller driven rod, so that the roller leather covers and the cloth piece form surface contact, and friction is generated, so that the fabric (such as the cloth piece) is pulled downwards in a clamping state.
However, the roller driven rods of the rollers cannot be adjusted or are adjusted more complicatedly, so that the friction force between the two roller leather covers to the fabric (such as a cloth piece) is not adjusted conveniently, the traction force is adjusted inconveniently, and the limitation is more when different fabrics are used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a roller tractive device is provided, the traction force of roller to the fabric is convenient for adjust.
In order to solve the technical problem, the roller traction device of the utility model comprises one or more traction wheels, two ends of the traction wheels are arranged on a mounting rack, and the mounting rack is arranged on a mounting rod; a power mechanism and a preferred motor are arranged at the edge of the mounting frame, the power mechanism is connected with a screw, a nut is mounted on the screw, and the power mechanism drives the screw to rotate; a sleeve is arranged outside the screw rod, and a sliding groove along the axial direction of the screw rod is arranged on the sleeve; the nut is provided with a slip sheet, the slip sheet is positioned in the sliding groove, and the nut moves along the sliding groove when the screw rod rotates; between the mounting bracket and the nut, the screw rod is sleeved with a spring, and when the nut moves along the sliding groove, the nut pushes the mounting bracket to rotate along the mounting rod by pushing the spring.
Preferably, in the sleeve, a pushing barrel is sleeved outside the spring, the spring pushes the pushing barrel, and the pushing barrel pushes the mounting frame to rotate along the mounting rod. The end part of the pushing cylinder is provided with a limiting groove, and the mounting frame is positioned in the limiting groove.
Preferably, the sleeve and the power mechanism are mounted on a support, and the support is connected with the mounting rod through a connecting piece. And meanwhile, a limiting block is installed on the support and provided with a limiting groove, and the mounting frame is located in the limiting groove.
In order to limit the adjusting range of the mounting rack, the mounting rack is provided with a limiting piece, and the support limits the movement of the limiting piece to limit the movement of the mounting rack.
The utility model discloses conveniently adjust the roller to the traction force of fabric, to different fabric strong adaptability, improve production efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a partial enlarged view of the present invention.
Detailed Description
As shown in fig. 1 and 2, the roller pulling device includes a plurality of pulling wheels 1 (which are roller driven wheels), two ends of the pulling wheels 1 are mounted on a mounting rack 2, and the mounting rack 2 is mounted on a mounting rod 3. 2 limits of mounting bracket are provided with a plurality of motors 4, and motors 4 correspond with mounting bracket 2, and 4 quantity of motors are the same with mounting bracket 2 quantity promptly. The motors 4 are connected with the electric control device, so that the motors 4 can be automatically controlled.
The motor 4 is connected with a screw 9, a nut 10 is installed on the screw 9, and the motor 4 drives the screw 9 to rotate. A sleeve 5 is arranged outside the screw 9, and a sliding groove along the axial direction of the screw 9 is arranged on the sleeve 5. The nut 10 is provided with a sliding piece 11, the sliding piece 11 is positioned in the sliding groove, and when the screw 9 rotates, the nut 10 moves along the sliding groove.
The sleeve 5 is further provided with scales which are specifically positioned on the side of the sliding groove, and the sliding sheet 11 indicates the specific scales so as to be convenient for observing the position of the traction wheel 1.
Between the mounting frame 2 and the nut 10, a spring 12 is sleeved outside the screw 9, and when the nut 10 moves along the sliding groove, the nut 10 pushes the mounting frame 2 to rotate along the mounting rod 3 by pushing the spring 12. Specifically, in the sleeve 5, a pushing cylinder 6 is sleeved outside the spring 12, the pushing cylinder 6 is pushed by the spring 12, and the mounting frame 2 is pushed by the pushing cylinder 6 to rotate along the mounting rod 3. The end of the pushing cylinder 6 is provided with a limiting groove, and the mounting frame 2 is positioned in the limiting groove.
The sleeve 5 and the motor 4 are arranged on a bracket 8, and the bracket 8 is connected with the mounting rod 3 through a connecting piece 14.
Meanwhile, a limiting block 7 is installed on the support 8, the limiting block 7 is provided with a limiting groove 13, the mounting frame 2 is located in the limiting groove 13, and the mounting frame 2 is prevented from being separated from the set position or the mounting rod 3 along the axial movement of the mounting rod 3.
The mounting frame 2 is provided with a limiting piece 15, and the support 8 limits the movement of the limiting piece 15 to limit the movement of the mounting frame 2, so that the adjustment range of the mounting frame 2 is realized.
The above-mentioned embodiment does not limit the utility model in any way, and all the technical solutions that adopt the mode of equivalent replacement or equivalent transform to obtain all fall within the protection scope of the utility model.
Claims (8)
1. The roller traction device is characterized by comprising one or more traction wheels, wherein two ends of each traction wheel are arranged on a mounting frame, and the mounting frames are arranged on mounting rods; a power mechanism is arranged at the edge of the mounting frame and connected with a screw, a nut is mounted on the screw, and the power mechanism drives the screw to rotate; a sleeve is arranged outside the screw rod, and a sliding groove along the axial direction of the screw rod is arranged on the sleeve; the nut is provided with a slip sheet, the slip sheet is positioned in the sliding groove, and the nut moves along the sliding groove when the screw rod rotates; between the mounting bracket and the nut, the screw rod is sleeved with a spring, and when the nut moves along the sliding groove, the nut pushes the mounting bracket to rotate along the mounting rod by pushing the spring.
2. Roller pulling device according to claim 1, characterized in that: in the sleeve, a pushing barrel is sleeved outside the spring, the spring pushes the pushing barrel, and the pushing barrel pushes the mounting frame to rotate along the mounting rod.
3. Roller pulling device according to claim 2, characterized in that: the end part of the pushing cylinder is provided with a limiting groove, and the mounting frame is positioned in the limiting groove.
4. Roller pulling device according to claim 1, characterized in that: the sleeve and the power mechanism are arranged on the bracket.
5. Roller pulling device according to claim 4, characterized in that: install the stopper on the support, the stopper has the spacing groove, the mounting bracket is located the spacing inslot.
6. Roller pulling device according to claim 4, characterized in that: the bracket is connected with the mounting rod through a connecting piece.
7. Roller pulling device according to claim 4, characterized in that: the mounting bracket is provided with a limiting piece, and the support limits the movement of the movement limiting mounting bracket of the limiting piece.
8. Roller pulling device according to claim 1, characterized in that: the power mechanism is a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922061908.4U CN211366437U (en) | 2019-11-26 | 2019-11-26 | Roller traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922061908.4U CN211366437U (en) | 2019-11-26 | 2019-11-26 | Roller traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211366437U true CN211366437U (en) | 2020-08-28 |
Family
ID=72165242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922061908.4U Active CN211366437U (en) | 2019-11-26 | 2019-11-26 | Roller traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211366437U (en) |
-
2019
- 2019-11-26 CN CN201922061908.4U patent/CN211366437U/en active Active
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