CN215557852U

CN215557852U - Hand grabbing and clamping device for spreading machine

Info

Publication number: CN215557852U
Application number: CN202121307185.2U
Authority: CN
Inventors: 荣长安
Original assignee: Jiangsu Xingan Machinery Co ltd
Current assignee: Jiangsu Xingan Machinery Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a hand-grabbing cloth-clamping device for a spreading machine, which comprises a machine table and racks fixed at two ends of the top of the machine table, wherein the tops of the two racks are fixedly connected through a cross beam, a plurality of movable frames are sleeved on the cross beam in a sliding mode, grooves are formed in the bottoms of the movable frames, screw rods arranged in the front-back direction are installed in the grooves in a rotating mode, the front ends of the screw rods rotate to extend to the front side of the movable frames, and screw rod motors are fixedly installed on the front sides of the movable frames. According to the cloth clamping mechanism, the cloth is convenient to clamp and fix, the phenomenon that the cloth is easy to drop when being clamped in the past is avoided, meanwhile, the distance between the adjacent moving frames and the clamping mechanism can be adjusted, the defect that the position of the cloth clamping mechanism cannot be adjusted according to the size of the cloth due to relative fixation in the past is avoided, limitation in the use process is greatly reduced, and people can adjust and use the cloth according to the actual requirement of the size of the cloth.

Description

Hand grabbing and clamping device for spreading machine

Technical Field

The utility model relates to the technical field of spreading machines, in particular to a manual cloth grabbing and clamping device for a spreading machine.

Background

In the modern textile industry, the spreading machine is widely used, and is also called a spreading machine, and is mainly used for pulling out a whole roll of cloth by a proper length, folding and spreading the cloth in a reciprocating manner, then cutting the cloth, and cutting the cloth into various standard cloth according to specific requirements.

However, in actual use, some defects still exist, for example, the problem that the cloth is easy to drop when the cloth is clamped exists in the conventional clamping and fixing device for the fabric of the spreading machine, and some spreading machines are provided with a plurality of cloth clamping mechanisms, but the positions of the cloth clamping mechanisms are relatively fixed, so that the cloth clamping mechanisms cannot be adjusted according to the actual requirements of the size of the cloth, and the limitation in the using process is large. Therefore, the utility model provides a hand grasping and clamping device for a spreading machine, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hand-gripping cloth clamping device for a cloth spreading machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cloth grabbing and clamping device for a cloth spreading machine comprises a machine table and racks fixed at two ends of the top of the machine table, the tops of the two racks are fixedly connected through a cross beam, a plurality of moving frames are sleeved on the cross beam in a sliding mode, grooves are formed in the bottoms of the moving frames, lead screws arranged in the front-back direction are installed in the grooves in a rotating mode, the front ends of the lead screws extend to the front sides of the moving frames in a rotating mode, lead screw motors are fixedly installed on the front sides of the moving frames, the output ends of the lead screw motors are fixedly connected with the front ends of the lead screws, two lead screw nuts are installed in the grooves in the front-back direction in a sliding mode, the two lead screw nuts are sleeved on the lead screws through threads respectively, clamping plates are fixedly connected to the bottoms of the two lead screw nuts respectively, and anti-skid rubber pads are fixedly arranged on the sides, close to the clamping plates;

remove the frame internal rotation and install drive gear, the gear groove has been seted up to the bottom of crossbeam, and the bottom of crossbeam passes through gear groove and drive gear mesh mutually, be equipped with the mounting groove on the rear side inner wall of removal frame, fixed mounting has step motor in the mounting groove, and the fixed cup joint of drive gear is on step motor's output shaft.

Preferably, the screw rod is symmetrically provided with external threads, and the two external threads on the screw rod are arranged in opposite rotating directions.

Preferably, the tops of the two screw rod nuts are fixedly connected with sliding blocks, the tops of the grooves are fixedly connected with sliding rails, and the sliding blocks are slidably mounted on the sliding rails in the front-back direction.

Preferably, the top of crossbeam is equipped with the removal spout, fixedly connected with removes the slider on the top inner wall of removal frame, and removes slider slidable mounting in removing the spout.

Preferably, a bearing seat is fixedly installed on the inner wall of the front side of the moving frame, and an output shaft of the stepping motor is rotatably installed on the bearing seat.

Preferably, a bearing is fixedly sleeved on the inner wall of the front side of the groove, and the screw rod is rotatably installed on the bearing.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the cloth clamping device, the screw rod is driven to rotate by the screw rod motor, the screw rod nut can perform thread transmission on the screw rod along the front and back directions by utilizing the screw rod transmission principle, and the screw rod is rotated to enable the two screw rod nuts to perform thread transmission on the screw rod in a mutually close mode due to the fact that the rotation directions of the two external threads on the screw rod are opposite, so that cloth can be clamped and fixed between the two clamping plates, the structure is simple, the clamping and fixing are firm, and the phenomenon that the cloth is easy to drop when being clamped in the past is avoided;

2. in the utility model, the output shaft of the stepping motor drives the driving gear to rotate positively and negatively, and the driving gear is meshed with the gear groove at the bottom of the cross beam for transmission when rotating, so that the driving gear, the stepping motor and the moving frame can move left and right on the cross beam, the distance between the adjacent moving frames and the clamping mechanism can be adjusted, and people can adjust the distance according to the actual requirement of the size of the cloth;

in conclusion, the hand-gripping cloth clamping device for the spreading machine is convenient for stably clamping and fixing cloth, avoids the phenomenon that the cloth is easy to fall off when being clamped, can adjust the distance between adjacent moving frames and clamping mechanisms, avoids the defect that the position of the cloth clamping mechanism cannot be adjusted according to the size of the cloth due to relative fixation in the prior art, greatly reduces the limitation in the use process, and is beneficial for people to adjust and use according to the actual requirement of the size of the cloth.

Drawings

Fig. 1 is a schematic structural view of a hand grasping and clamping device for a spreading machine according to the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic side view of the movable frame and the beam of the present invention.

In the figure: 1. a machine platform; 2. a frame; 3. a cross beam; 4. moving the frame; 5. a splint; 501. an anti-slip rubber pad; 6. a screw motor; 7. a screw rod; 8. a feed screw nut; 9. a slider; 10. a slide rail; 11. a groove; 12. a stepping motor; 13. a drive gear; 14. a gear groove; 15. a moving chute; 16. moving the slide block; 17. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a hand grasping and clamping device for a spreading machine comprises a machine table 1 and a frame 2 fixed at two ends of the top of the machine table 1, the tops of the two frames 2 are fixedly connected through a beam 3, the beam 3 is sleeved with a plurality of moving frames 4 in a sliding way, the bottoms of the moving frames 4 are provided with grooves 11, screw rods 7 arranged along the front and back directions are rotatably arranged in the grooves 11, the front end of the screw rod 7 is extended to the front side of the movable frame 4 in a rotating way, the front side of the movable frame 4 is fixedly provided with a screw rod motor 6, the output end of the screw rod motor 6 is fixedly connected with the front end of the screw rod 7, two screw rod nuts 8 are arranged in the groove 11 in a sliding way along the front-back direction, the two screw rod nuts 8 are respectively sleeved on the screw rod 7 through threads, the bottoms of the two screw rod nuts 8 are respectively and fixedly connected with the clamping plates 5, and the anti-skidding rubber pads 501 are fixedly arranged on the sides, close to each other, of the two clamping plates 5;

remove 4 internal rotations of frame and install drive gear 13, gear groove 14 has been seted up to the bottom of crossbeam 3, and the bottom of crossbeam 3 passes through gear groove 14 and drive gear 13 and meshes mutually, be equipped with the mounting groove on the rear side inner wall of removal frame 4, fixed mounting has step motor 12 in the mounting groove, and drive gear 13 fixes the cup joint on step motor 12's output shaft. According to the cloth clamping mechanism, the cloth is convenient to clamp and fix, the phenomenon that the cloth is easy to drop when being clamped in the past is avoided, meanwhile, the distance between the adjacent moving frame 4 and the clamping mechanism can be adjusted, the defect that the position of the cloth clamping mechanism cannot be adjusted according to the size of the cloth due to relative fixation in the past is avoided, the limitation in the use process is greatly reduced, and people can adjust and use the cloth according to the actual requirement of the size of the cloth.

In this example, the screw rod 7 is symmetrically provided with external threads, and the two external threads on the screw rod 7 are arranged in opposite rotation directions.

In this example, the top of the two lead screw nuts 8 is fixedly connected with a sliding block 9, the top of the groove 11 is fixedly connected with a sliding rail 10, and the sliding block 9 is slidably mounted on the sliding rail 10 along the front-back direction.

In this example, the top of the cross beam 3 is provided with a moving chute 15, the inner wall of the top of the moving frame 4 is fixedly connected with a moving slider 16, and the moving slider 16 is slidably mounted in the moving chute 15.

In this example, a bearing housing 17 is fixedly mounted on the front inner wall of the moving frame 4, and the output shaft of the stepping motor 12 is rotatably mounted on the bearing housing 17.

In this example, a bearing is fixedly sleeved on the front inner wall of the groove 11, and the screw rod 7 is rotatably mounted on the bearing.

The working principle is as follows: when the cloth clamping device is used, the lead screw 7 is driven to rotate through the lead screw motor 6, the lead screw 7 rotates relative to the lead screw nut 8 when rotating, and meanwhile, the lead screw nut 8 is in sliding fit with the slide rail 10 through the sliding block 9, so that when the lead screw 7 rotates, the lead screw nut 8 can perform thread transmission on the lead screw 7 along the front and back directions, and the rotation directions of two external threads on the lead screw 7 are opposite, so that the lead screw 7 rotates to enable the two lead screw nuts 8 to perform thread transmission on the lead screw 7 in a mutual approaching mode or a mutual separating mode, when the two lead screw nuts 8 approach each other, the two clamping plates 5 and the anti-skid rubber pad 501 are also driven to approach each other, and further cloth can be clamped and fixed between the two clamping plates 5, so that the phenomenon that the cloth is easy to fall when being clamped in the past is avoided, the structure is simple, and the cloth can be conveniently clamped and fixed;

and, can also adjust the distance of moving frame 4 and clamping mechanism between adjacent according to cloth size, namely drive gear 13 just reverse rotation through the output shaft of step motor 12, drive gear 13 meshes the transmission with gear groove 14 of crossbeam 3 bottom when rotatory, and then can make drive gear 13, step motor 12 and move frame 4 and remove about on crossbeam 3, thereby can adjust the distance of moving frame 4 and clamping mechanism between adjacent, avoided the position of pressing from both sides cloth mechanism among the prior art because relatively fixed and can not adjust according to cloth size, greatly reduced the limitation in the use, be favorable to people to adjust the use according to the actual need of cloth size.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A cloth grabbing and clamping device for a cloth spreading machine comprises a machine table (1) and machine frames (2) fixed at two ends of the top of the machine table (1), and the tops of the two machine frames (2) are fixedly connected through a cross beam (3), and is characterized in that a plurality of moving frames (4) are slidably sleeved on the cross beam (3), a groove (11) is arranged at the bottom of each moving frame (4), a lead screw (7) arranged in the front-back direction is rotatably mounted in the groove (11), the front end of the lead screw (7) rotatably extends to the front side of the moving frame (4), a lead screw motor (6) is fixedly mounted on the front side of each moving frame (4), the output end of the lead screw motor (6) is fixedly connected with the front end of the lead screw (7), two lead screw nuts (8) are slidably mounted in the groove (11) in the front-back direction, and the two lead screw nuts (8) are respectively sleeved on the lead screw (7) through threads, the bottoms of the two screw rod nuts (8) are respectively fixedly connected with a clamping plate (5), and the sides, close to each other, of the two clamping plates (5) are respectively and fixedly provided with an anti-skidding rubber mat (501);

remove frame (4) internal rotation and install drive gear (13), gear groove (14) have been seted up to the bottom of crossbeam (3), and the bottom of crossbeam (3) passes through gear groove (14) and drive gear (13) mesh mutually, be equipped with the mounting groove on the rear side inner wall of removal frame (4), fixed mounting has step motor (12) in the mounting groove, and drive gear (13) fixed cup joint is on the output shaft of step motor (12).

2. The device for gripping and clamping the cloth for the spreading machine according to claim 1, wherein the screw rod (7) is symmetrically provided with external threads, and the two external threads on the screw rod (7) are oppositely threaded.

3. The cloth grabbing and clamping device for the spreading machine is characterized in that sliding blocks (9) are fixedly connected to the tops of the two lead screw nuts (8), sliding rails (10) are fixedly connected to the tops of the grooves (11), and the sliding blocks (9) are slidably mounted on the sliding rails (10) in the front-back direction.

4. The device for gripping and clamping the cloth for the spreading machine according to claim 1, wherein the top of the beam (3) is provided with a moving chute (15), the inner wall of the top of the moving frame (4) is fixedly connected with a moving slide block (16), and the moving slide block (16) is slidably installed in the moving chute (15).

5. The device for gripping and clamping the cloth for the spreading machine according to claim 1, wherein a bearing seat (17) is fixedly arranged on the inner wall of the front side of the moving frame (4), and the output shaft of the stepping motor (12) is rotatably arranged on the bearing seat (17).

6. The device for gripping and clamping the cloth for the spreading machine according to the claim 1, characterized in that the front inner wall of the groove (11) is fixedly sleeved with a bearing, and the screw rod (7) is rotatably arranged on the bearing.