Cloth strip clamping device of flat car sewing machine
Technical Field
The utility model relates to the technical field of accessories of a flat car sewing machine, in particular to a cloth strip clamping device of the flat car sewing machine.
Background
A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads. Most of industrial sewing machines are general-purpose sewing machines, including flat-seam machines, chain-seam machines, quilting machines, overedger machines, flat-seam machines, etc., and flat-seam machines have the highest utilization rate.
At present, cloth strips of a flat car sewing machine are manually pulled to move the cloth strips for sewing when the cloth strips are sewn, so that the problems of uneven movement speed of the cloth strips and deviation of movement routes of the cloth strips exist, the sewing positions of the cloth strips deviate, the sewing quality and qualification rate of the cloth strips are reduced, labor is consumed, and the degree of automation is low. Therefore, we propose a flat bed sewing machine cloth strip clamping device.
Disclosure of utility model
The utility model mainly aims to provide a cloth strip clamping device of a flat car sewing machine, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a flatcar sewing machine cloth clamping device, includes the workstation, two footings of lower extreme fixedly connected with of workstation, two first mounting holes have all been seted up at both ends front portion about the workstation, four first mounting hole common fixed mounting has the clamping component, the mounting groove has been seted up at the upper end rear portion of workstation, the first motor of left end rear portion fixedly connected with of workstation, the output of first motor runs through the workstation and fixedly connected with drive roller, and the length dimension of drive roller equals the length dimension of mounting groove, the upper end rear portion fixed mounting of workstation has adjustable spacing subassembly.
Preferably, the clamping assembly comprises two fixing plates, two fixing plates are arranged, two second mounting holes are formed in the opposite ends of the fixing plates in a penetrating mode, two connecting rods are fixedly connected to the upper ends of the fixing plates, a top plate is fixedly connected to the upper ends of the connecting rods together, two electric telescopic rods are fixedly connected to the lower ends of the top plate, a pressing plate is fixedly connected to the output ends of the electric telescopic rods together, and a plurality of pressing strips are fixedly connected to the lower ends of the pressing plates.
Preferably, the plurality of pressing strips are distributed transversely at equal distance, and the positions and the sizes of the two second mounting holes on the same side are correspondingly matched with those of the two first mounting holes on the same side.
Preferably, the adjustable limiting assembly comprises two fixing legs, the fixing legs are provided with two connecting plates, the upper ends of the connecting plates are fixedly connected with two connecting sleeves, two adjusting bolts are connected in the connecting sleeves in a penetrating and rotating mode, limiting sleeves are connected to the lower portions of the outer surfaces of the adjusting bolts in a threaded mode, springs are fixedly connected to the lower ends of the limiting sleeves, mounting plates are fixedly connected to the lower ends of the springs, and auxiliary rollers are connected to the lower ends of the mounting plates in a rotating mode.
Preferably, the diameter size of the adjusting bolt is equal to the inner diameter size of the connecting sleeve, and the diameter size of the adjusting bolt is equal to the inner diameter size of the limiting sleeve.
Preferably, the diameter size of the auxiliary roller is smaller than the diameter size of the driving roller, and the length size of the auxiliary roller is equal to the length size of the driving roller.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the clamping assembly is arranged at the corresponding position by utilizing the position correspondence of the second mounting hole and the first mounting hole, the electric telescopic rods are started, the output ends of the two electric telescopic rods simultaneously drive the corresponding pressing plates to move downwards, the pressing plates are pressed on the upper ends of the cloth, the friction force during pressing is improved by utilizing the plurality of pressing strips, the pressed cloth is prevented from sliding, and the purposes of keeping the stability during sewing and rapidly clamping the cloth are achieved;
2. According to the utility model, the adjustable limiting assembly is arranged at a proper position by utilizing the two fixed feet, the adjusting bolt is rotated in the connecting sleeve and the limiting sleeve, the adjusting bolt jointly pushes the mounting plate to move downwards, the distance between the auxiliary roller and the driving roller is adjusted, so that the auxiliary roller can clamp cloth better, a certain buffer and displacement allowance is provided for the whole body of the auxiliary roller through the spring, the cloth is prevented from being damaged during movement, and the aims of protecting the cloth for sewing work and automatic operation are achieved.
Drawings
FIG. 1 is a schematic view of the whole structure of a cloth clamping device of a sewing machine of the utility model;
FIG. 2 is a schematic structural view of a fixing member of a cloth clamping device of a sewing machine of the present utility model;
FIG. 3 is a schematic view of an installation of a cloth clamping assembly of the flatcar sewing machine of the present utility model;
FIG. 4 is a schematic installation view of an adjustable stop assembly for a cloth clamping device of a flatcar sewing machine in accordance with the present utility model.
In the figure: 1. a work table; 2. a footing; 3. a first motor; 4. a driving roller; 5. a clamping assembly; 6. an adjustable stop assembly; 11. a first mounting hole; 12. a mounting groove; 51. a fixing plate; 52. a second mounting hole; 53. a connecting rod; 54. a top plate; 55. an electric telescopic rod; 56. a pressing plate; 57. a compression bar; 61. a fixed foot; 62. a connecting plate; 63. connecting sleeves; 64. a limit sleeve; 65. a spring; 66. a mounting plate; 67. an auxiliary roller; 68. and (5) adjusting a bolt.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-4, a cloth strip clamping device of a flatcar sewing machine comprises a workbench 1, wherein two feet 2 are fixedly connected to the lower end of the workbench 1, two first mounting holes 11 are formed in the front portions of the left end and the right end of the workbench 1, a clamping assembly 5 is fixedly mounted together in the four first mounting holes 11, a mounting groove 12 is formed in the rear portion of the upper end of the workbench 1, a first motor 3 is fixedly connected to the rear portion of the left end of the workbench 1, an output end of the first motor 3 penetrates through the workbench 1 and is fixedly connected with a driving roller 4, the length dimension of the driving roller 4 is equal to the length dimension of the mounting groove 12, and an adjustable limiting assembly 6 is fixedly mounted at the rear portion of the upper end of the workbench 1.
In this embodiment, the clamping assembly 5 includes two fixing plates 51, two fixing plates 51 are provided, two second mounting holes 52 are respectively provided at opposite ends of the two fixing plates 51, two connecting rods 53 are respectively and fixedly connected to upper ends of the two fixing plates 51, a top plate 54 is respectively and fixedly connected to upper ends of the four connecting rods 53, two electric telescopic rods 55 are respectively and fixedly connected to lower ends of the top plate 54, a pressing plate 56 is respectively and fixedly connected to output ends of the two electric telescopic rods 55, a plurality of pressing strips 57 are respectively and fixedly connected to lower ends of the pressing plate 56, the plurality of pressing strips 57 are distributed transversely at equal intervals, and the two second mounting holes 52 on the same side are correspondingly matched with the positions and the sizes of the two first mounting holes 11 on the same side; when the sewing is needed, the second mounting holes 52 are used for corresponding to the positions of the first mounting holes 11, the clamping assembly 5 is mounted at the corresponding positions, the electric telescopic rods 55 are started, the output ends of the two electric telescopic rods 55 simultaneously drive the corresponding pressing plates 56 to move downwards, the pressing plates 56 are pressed on the upper ends of the cloth, the friction force generated when the pressing strips 57 are used for lifting the pressed cloth is used for preventing the pressed cloth from sliding, and the stability of the sewing is maintained.
In this embodiment, the adjustable limiting component 6 includes two fixing legs 61, the fixing legs 61 are provided with two, the upper ends of the two fixing legs 61 are fixedly connected with a connecting plate 62 together, the upper ends of the connecting plate 62 are fixedly connected with two connecting sleeves 63, adjusting bolts 68 are respectively connected in the two connecting sleeves 63 in a penetrating and rotating manner, the lower parts of the outer surfaces of the two adjusting bolts 68 are respectively connected with a limiting sleeve 64 in a threaded manner, the lower ends of the two limiting sleeves 64 are respectively fixedly connected with a spring 65, the lower ends of the two springs 65 are fixedly connected with a mounting plate 66 together, the lower ends of the mounting plate 66 are respectively connected with an auxiliary roller 67 in a rotating manner, the diameter size of the adjusting bolts 68 is equal to the inner diameter size of the connecting sleeves 63, the diameter size of the adjusting bolts 68 is equal to the inner diameter size of the limiting sleeve 64, the diameter size of the auxiliary rollers 67 is smaller than the diameter size of the driving roller 4, and the length size of the auxiliary rollers 67 is equal to the length size of the driving roller 4; one end of the cloth strip is placed on the driving roller 4, the adjustable limiting assembly 6 is installed at a proper position by utilizing the two fixing feet 61, the adjusting bolt 68 is rotated, the adjusting bolt 68 rotates in the connecting sleeve 63 and the limiting sleeve 64, the mounting plate 66 is jointly jacked to move downwards, the distance between the auxiliary roller 67 and the driving roller 4 is adjusted, the cloth can be clamped well, a certain buffer and displacement allowance are provided for the whole body of the cloth through the spring 65, damage caused by the movement of the cloth is prevented, and the cloth is protected from sewing.
In the use process, the workbench 1 is placed at a proper position through the two feet 2, the cloth strip is placed on the workbench 1, one end of the cloth strip is placed on the driving roller 4, the adjustable limiting component 6 is installed at a proper position by the two fixing feet 61 at the moment, the adjusting bolt 68 is rotated, the adjusting bolt 68 rotates in the connecting sleeve 63 and the limiting sleeve 64, the mounting plate 66 is jointly pushed to move downwards, the distance between the auxiliary roller 67 and the driving roller 4 is adjusted, the auxiliary roller 67 can clamp the cloth better, a certain buffer and displacement allowance is provided for the whole body of the auxiliary roller through the spring 65, damage is prevented when the cloth is caused to move, the cloth is protected from being sewn, the first motor 3 is started, the driving roller 4 is driven to rotate, the cloth strip is driven to move forwards, the clamping component 5 is installed at a corresponding position by the position of the second mounting hole 52 and the first mounting hole 11 when the second mounting hole is needed to be processed, the electric rod 55 is started, the two electric rods 55 are driven to move downwards by the corresponding pressing plates 56 when the two electric rods drive the corresponding pressing plates 55 to move downwards, and the cloth strips are pressed tightly by the pressing force is prevented from being pressed tightly by the pressing plates 56 when the two electric rods are driven to move tightly.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.