Differential device of automatic collar sewing machine

Abstract

The utility model discloses an automatic collar sewing machine differential device which comprises a platform and a sewing machine arranged on the platform, the sewing machine is provided with a needle number adjusting shifting piece, the side edge of the sewing machine is provided with at least two rotating shafts, the two rotating shafts are used for being sleeved with collars and clothing materials, and the sewing machine is used for sewing the collars and the clothing materials in the overlapped state. The sewing machine is provided with a metal detector, the metal detector is right opposite to a sewing needle of the sewing machine in the sewing process, and the metal detector is used for sensing the sewing frequency of the sewing needle; the differential device further comprises an adjusting mechanism which is in transmission connection with the needle number adjusting shifting piece. And the controller is in signal connection with the metal detector, the adjusting mechanism and the display screen. According to the automatic gear shifting device, gear shifting is accurate, the situation of gear skipping in the sewing process can be prevented, the situation of gear shifting mistakes does not exist, the percent of pass of sewn clothing materials is improved, and the efficiency is improved through automatic gear shifting of equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a differential device of an automatic collaring machine. Background Art

[0002] The sewing machine has different numbers of sewing needles for sewing different materials and collars, so that different styles of clothes can be sewn with different sewing effects.

[0003] In the prior art, the number of stitches for sewing fabrics and collars is determined by an operator, and then the operator manually turns the needle number adjustment dial of the sewing machine, and then the operator completes the sewing of a whole batch of fabrics. The manual turning has the following problems:

[0004] 1. The gear position is not accurate enough, resulting in gear skipping during sewing;

[0005] 2. There is a situation where the gear is shifted incorrectly when shifting gears manually, which makes the sewn fabric unusable;

[0006] 3. Manual shifting requires personnel to go to the corresponding position before shifting the files, which is inefficient. Summary of the invention

[0007] Aiming at the above-mentioned problem that the existing sewing machine needs to shift gears when sewing different batches of clothes, the present invention aims to provide an automatic sewing machine differential device with accurate shifting and high efficiency.

[0008] The specific technical solutions are as follows:

[0009] An automatic collar-setting machine differential device comprises: a platform and a sewing machine arranged on the platform, the sewing machine is provided with a needle number adjustment dial, at least two rotating shafts are arranged on the side of the sewing machine, the two rotating shafts are used for setting the collar and the clothes, and the sewing machine is used for sewing the collar and the clothes in the overlapped state;

[0010] The sewing machine is provided with a metal detector, which is directly opposite to the sewing needle of the sewing machine during the sewing process, and is used to sense the number of times the sewing needle is sewn;

[0011] The differential device further comprises:

[0012] An adjusting mechanism, the adjusting mechanism being drivingly connected to the needle number adjusting dial;

[0013] A controller and a display screen, wherein the controller is respectively connected to the metal detector, the adjustment mechanism, and the display screen by signals.

[0014] In the above-mentioned automatic sewing machine differential device, the display screen is arranged on the front side of the sewing machine, and the adjustment mechanism is arranged on the rear side of the sewing machine.

[0015] In the above-mentioned automatic collar-loading machine differential device, the sewing machine is provided with an infrared sensor, and the infrared sensor is used to sense whether the collar and the clothing are mounted on the two rotating shafts.

[0016] In the above-mentioned automatic sewing machine differential device, a sensor is provided on the side of the needle number adjustment dial on the sewing machine, and the sensor is used to sense the position of the needle number adjustment dial.

[0017] The above-mentioned automatic collar machine differential device, wherein the adjustment mechanism includes: a driving member, a first adjustment rod and a second adjustment rod, the driving member is transmission connected to the first adjustment rod, the first adjustment rod is hinged to the second adjustment rod, and the second adjustment rod is transmission connected to the needle number adjustment dial.

[0018] The above-mentioned automatic sewing machine differential device, wherein the sewing machine is provided with an alarm light, and the alarm light is connected to the controller signal.

[0019] In the above-mentioned automatic collar-stitching machine differential device, a support plate is provided between the two rotating shafts, the support plate has a sewing groove, and the upper sides of the collar and the clothing material abut against the support plate.

[0020] The above-mentioned automatic collar-loading machine differential device, wherein a presser foot is rotatably provided on the sewing machine, and the presser foot is used to press the collar and the clothing material on the supporting plate.

[0021] The above-mentioned automatic collar machine differential device, wherein at least one tensioning shaft is also provided on the side of the sewing machine, the two rotating shafts are arranged horizontally and in parallel, the central axes of the two rotating shafts are located on the horizontal plane, the tensioning shaft is located below the horizontal plane, and the tensioning shaft is used to tension the collar and the fabric.

[0022] Compared with the prior art, the above technical solution has the following positive effects:

[0023] The shifting gear of the utility model is accurate, which can prevent the situation of gear jumping during sewing and the situation of wrong gear shifting, thereby improving the qualified rate of sewing materials and improving efficiency by automatically adjusting the gear of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a differential device for an automatic collaring machine of the utility model;

[0025] Figure 2This is a side view of the overall structure of a differential device for an automatic collaring machine of the utility model;

[0026] In the attached drawings: 1. platform; 2. sewing machine; 3. needle number adjustment dial; 4. rotating shaft; 5. metal detector; 6. adjustment mechanism; 7. controller; 8. display screen; 9. infrared sensor; 10. sensor; 11. first adjustment rod; 12. second adjustment rod; 13. driving member; 14. alarm light; 15. support plate; 16. tensioning shaft. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0028] like Figure 1 and Figure 2 As shown, a preferred embodiment of an automatic collar-setting machine differential device is shown, comprising: a platform 1 and a sewing machine 2 arranged on the platform 1, the sewing machine 2 having a needle number adjustment dial 3, at least two rotating shafts 4 are arranged on the side of the sewing machine 2, the two rotating shafts 4 are used for setting collars and clothes, and the sewing machine 2 is used to sew collars and clothes in a superimposed state.

[0029] Further, as a preferred embodiment, a metal detector 5 is provided on the sewing machine 2, and the metal detector 5 is directly opposite to the sewing needle of the sewing machine 2 during the sewing process, and the metal detector 5 is used to sense the number of times the sewing needle is inserted;

[0030] Further, as a preferred embodiment, the differential device also includes: an adjusting mechanism 6, a controller 7 and a display screen 8, the adjusting mechanism 6 is transmission-connected to the needle number adjusting dial 3, and the controller 7 is signal-connected to the metal detector 5, the adjusting mechanism 6 and the display screen 8 respectively.

[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the implementation methods and protection scope of the present invention.

[0032] The utility model also has the following implementation methods based on the above:

[0033] In further embodiments of the present invention, please continue to refer to Figure 1 , Figure 2 As shown, the display screen 8 is arranged on the front side of the sewing machine 2, and the adjustment mechanism 6 is arranged on the rear side of the sewing machine 2.

[0034] In a further embodiment of the utility model, the sewing machine 2 is provided with an infrared sensor 9, and the infrared sensor 9 is used to sense whether the two rotating shafts 4 are covered with collars and clothes.

[0035] In a further embodiment of the utility model, a sensor 10 is provided on the sewing machine 2 at the side of the needle number adjustment dial 3, and the sensor 10 is used to sense the position of the needle number adjustment dial 3. Preferably, the sensor 10 is a laser distance sensor, and the gear position of the needle number adjustment dial 3 is determined by the laser distance sensor.

[0036] In a further embodiment of the utility model, the adjustment mechanism 6 includes: a driving member 13, a first adjusting rod 11 and a second adjusting rod 12, the driving member 13 is transmission connected to the first adjusting rod 11, the first adjusting rod 11 is hinged to the second adjusting rod 12, and the second adjusting rod 12 is transmission connected to the needle number adjustment dial 3.

[0037] Preferably, the driving end of the driving member 13 is fixedly connected to one end of the first adjusting rod 11, the other end of the first adjusting rod 11 is hinged to one end of the second adjusting rod 12, and the second adjusting rod 12 is hinged or fixedly connected to the needle number adjusting dial 3. Preferably, the accuracy of the shifting can be improved by setting a third adjusting rod and other structures.

[0038] Preferably, the driving member 13 is a motor.

[0039] Preferably, the driving member 13 is oriented along the central axis direction of the rotating shaft 4 .

[0040] In a further embodiment of the utility model, the sewing machine 2 is provided with an alarm light 14, and the alarm light 14 is connected to the controller 7 by signal. Preferably, when the gear position is inconsistent with the actual detected number of stitches, the alarm light is on.

[0041] During the use of the sewing machine 2 of the utility model, the number of stitches required for sewing this batch of collars and clothes is directly clicked on the display screen 8. After receiving the signal, the controller 7 controls the adjustment mechanism 6 to turn the needle number adjustment dial 3 to complete the gear selection; then the collars and clothes are both mounted on the two rotating shafts 4, and the sewing machine 2 sews the collars and clothes. At the same time, the metal detector 5 detects the number of stitches of the sewing needle and feeds the number of stitches back to the controller 7. The controller 7 determines the number of stitches corresponding to the gear at this time and compares it with the number of stitches actually detected by the metal detector 7. If the two are consistent, the production and sewing will continue. If the two are inconsistent, the controller 7 controls the sewing machine 2 to stop sewing, and the alarm light is on or an alarm is sounded.

[0042] In a further embodiment of the utility model, a support plate 15 is provided between the two rotating shafts 4, and a sewing groove is provided on the support plate 15, and the upper side of the collar and the clothes rests on the support plate 15. Preferably, it is used to support the clothes and the collar.

[0043] In a further embodiment of the utility model, a presser foot (not shown in the figure) is rotatably provided on the sewing machine 2, and the presser foot is used to press the collar and the clothes on the support plate.

[0044] In a further embodiment of the utility model, at least one tensioning shaft 16 is further provided on the side of the sewing machine 2, the two rotating shafts 4 are arranged horizontally and in parallel, the central axes of the two rotating shafts 4 are located on the horizontal plane, and the tensioning shaft 16 is located below the horizontal plane. The tensioning shaft 16 is used to tension the collar and the fabric.

[0045] The shifting gear of the utility model is accurate, which can prevent the situation of gear jumping during sewing and the situation of wrong gear shifting, thereby improving the qualified rate of sewing materials and improving efficiency by automatically adjusting the gear of the equipment.

[0046] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A differential device for an automatic collaring machine, comprising: A platform and a sewing machine disposed on the platform, the sewing machine having a needle number adjustment dial, characterized in that at least two rotating shafts are disposed on the side of the sewing machine, the two rotating shafts are used for sew collars and clothes, and the sewing machine is used for sewing the collars and clothes in a superimposed state; The sewing machine is provided with a metal detector, which is directly opposite to the sewing needle of the sewing machine during the sewing process, and is used to sense the number of times the sewing needle is sewn; The differential device further comprises: An adjusting mechanism, the adjusting mechanism being drivingly connected to the needle number adjusting dial; A controller and a display screen, wherein the controller is respectively connected to the metal detector, the adjustment mechanism, and the display screen by signals.

2. The automatic collar machine differential device according to claim 1, characterized in that: The display screen is arranged on the front side of the sewing machine, and the adjustment mechanism is arranged on the rear side of the sewing machine.

3. The automatic collar machine differential device according to claim 1, characterized in that: The sewing machine is provided with an infrared sensor, and the infrared sensor is used to sense whether the collar and the clothes are sleeved on the two rotating shafts.

4. The automatic collar machine differential device according to claim 1, characterized in that: A sensor is provided on the sewing machine at the side of the needle number adjusting dial, and the sensor is used to sense the position of the needle number adjusting dial.

5. The automatic collar machine differential device according to claim 1, characterized in that: The adjustment mechanism includes: a driving member, a first adjustment rod and a second adjustment rod, the driving member is transmission-connected to the first adjustment rod, the first adjustment rod is hinged to the second adjustment rod, and the second adjustment rod is transmission-connected to the needle number adjustment lever.

6. The automatic collar machine differential device according to claim 1, characterized in that: The sewing machine is provided with an alarm light, and the alarm light is connected to the controller signal.

7. The automatic collar machine differential device according to claim 1, characterized in that: A support plate is arranged between the two rotating shafts. The support plate is provided with a sewing groove. The upper sides of the collar and the clothing material abut against the support plate.

8. The automatic collar machine differential device according to claim 7, characterized in that: A presser foot is rotatably provided on the sewing machine, and the presser foot is used for pressing the collar and the clothes on the supporting plate.

9. The automatic collar machine differential device according to claim 1, characterized in that: At least one tensioning shaft is also provided on the side of the sewing machine. The two rotating shafts are arranged horizontally and in parallel. The central axes of the two rotating shafts are located on a horizontal plane. The tensioning shaft is located below the horizontal plane. The tensioning shaft is used to tension the collar and the clothing.

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