CN209749902U

CN209749902U - Swing arm device of snap fastener dotter

Info

Publication number: CN209749902U
Application number: CN201920428522.XU
Authority: CN
Inventors: 卓爱华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2019-12-10
Anticipated expiration: 2029-04-01

Abstract

The utility model provides a snap-fastener machine swing arm device, includes dotter and swing arm, is equipped with servo motor driven rotation main shaft on the dotter, rotates the main shaft and is connected with the swing arm and drives the swing arm and rotate, and the swing arm is L type swing arm, all is equipped with resetting means and stamping device on two looks vertically branches of L type swing arm, and the intersection of two branches is equipped with and rotates the pilot hole 4 of main shaft assembly. The L-shaped swing arm rotates along with the rotating main shaft, the two branches are respectively arranged on the workbench one by one for processing, and the two branches are equivalent to two processing stations. The advantage lies in, from the pore-forming to the knot, whole process all once only accomplishes in a snap-fastener knot-making machine, has greatly saved manufacturing procedure.

Description

Swing arm device of snap fastener dotter

Technical Field

the utility model relates to a dotter especially relates to a snap-fastener dotter swing arm device.

Background

The button sewing machine is mainly used for sewing various metal snap fasteners on various clothes, shoes, hats, leather and plastics, at present, the main snap fastener sewing machine on the market generally comprises a main shaft of the button sewing machine connected with a swing arm, the swing arm is provided with a button sewing device, the lower end of the button sewing device is provided with a die corresponding to the snap fastener, a worker places other articles to be processed such as clothes or shoes, hats and the like below the die, the button sewing machine punches the die downwards to nail the snap fastener on the clothes, the operation mode requires that the clothes is prefabricated with an opening in advance, the opening is placed below the die to bind the snap fastener on the clothes, the opening and the button sewing are divided into two steps to operate, the labor and the labor are wasted, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the swing arm device of the snap button making machine is specially manufactured, opening and button making can be completed on one snap button making machine at the same time, and time and labor are saved.

In order to achieve the above object, the present invention provides the following solutions: including dotter and swing arm, be equipped with servo motor driven rotation main shaft on the dotter, rotate the main shaft and be connected with the swing arm and drive the swing arm and rotate, the swing arm is L type swing arm, all is equipped with resetting means and stamping device on two looks vertically branches of L type swing arm, and the intersection of two branches is equipped with the pilot hole with the assembly of rotation main shaft.

Furthermore, two branches of the L-shaped swing arm are provided with a first through hole for installing a resetting device and a second through hole for installing a stamping device, and the resetting device comprises a limiting sleeve, a tension spring and a tension spring fixing rod.

Furthermore, two adaptive holes are arranged on the limiting sleeve, namely a first adaptive hole with the same diameter as the first through hole and a second adaptive hole with the same diameter as the second through hole, the second adaptive hole stretches towards one side to form a thin-wall sleeve, and the thin-wall sleeve is sleeved in the second through hole.

Furthermore, an extension spring fixing rod is tightly matched in the first through hole, one side of an extension spring is fixed on the extension spring fixing rod, and the other side of the extension spring is fixed on the limiting sleeve.

Furthermore, a bolt hole is formed in the hole wall of the first adapting hole, the screw penetrates through the bolt hole, and the end portion of the tension spring is sleeved on the screw.

Furthermore, the punching device comprises an ejector rod and a punch, the ejector rod penetrates through the second through hole to abut against the thin-wall sleeve, and the punch is tightly matched in the second adaptive hole.

Furthermore, the punch is divided into a hole forming punch and a dotting punch, one side of each of the two branches of the L-shaped swing arm is provided with the hole forming punch, and the other side of each of the two branches of the L-shaped swing arm is provided with the dotting punch.

Further, the rotating main shaft drives the L-shaped swing arm to rotate, and the rotating angle is 0-90 degrees.

Furthermore, the dotter is also provided with a first sensor and a second sensor which are used for detecting the position of the L-shaped swing arm, the first sensor is positively branched to one side of the L-shaped swing arm with the rotation angle of 0 degree, and the second sensor is positively branched to the other side of the L-shaped swing arm with the rotation angle of 90 degrees.

The utility model discloses an useful part lies in:

The swing arm is designed to be an L-shaped swing arm, the L-shaped swing arm is provided with two branches, an opening punch is arranged on one branch, a dotting punch is arranged on the other branch, a rotating main shaft of the dotting machine can drive the L-shaped swing arm to rotate, when the L-shaped swing arm is located at an initial position, the branch provided with the opening punch is located at a working position, clothes are placed at a working position, the dotting machine presses down the opening punch, holes are formed in the clothes, after the completion, the L-shaped swing arm rotates 90 degrees, the branch provided with the dotting punch is located at the working position, the clothes are kept still, the dotting machine presses down the opening punch, and the dotting process is completed.

The whole process is completed in one snap button making machine at one time, and the processing procedures are greatly saved.

Drawings

Fig. 1 is the structural schematic diagram of the swing arm device of the snap-fastener dotter of the utility model.

Fig. 2 is the structural schematic diagram of an L-shaped swing arm in a swing arm device of a snap-fastener button-making machine of the present invention.

Fig. 3 is the utility model relates to a limit sleeve's schematic structure among snap-fastener dotter swing arm device.

Fig. 4 is the structure diagram of the utility model after the stop sleeve, the resetting means and the stamping device are assembled in the swing arm device of the snap-fastener dotter.

Reference numerals: dotter 1, L type swing arm 2, rotation main shaft 3, pilot hole 4, first through-hole 5, second through-hole 6, first adaptation hole 7, second adaptation hole 8, bolt hole 9, pore-forming drift 10, dotting punch 11, distance sensor 12, ejector pin 13, extension spring dead lever 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model provides a 1 swing arm device of snap-fastener machine, includes dotter 1 and swing arm, is equipped with servo motor driven rotation main shaft 3 on the dotter 1, rotates main shaft 3 and is connected and drives the swing arm rotation with the swing arm, and the swing arm is L type swing arm 2, all is equipped with resetting means and stamping device on 2 two looks vertically branches of L type swing arm, and the intersection of two branches is equipped with and rotates the pilot hole 4 of 3 assemblages of main shaft. The L-shaped swing arm 2 rotates along with the rotating main shaft 3, the two branches are respectively arranged on the workbench one by one for processing, and the two branches are equivalent to two processing stations.

The utility model provides a snap fastener 1 swing arm device, is equipped with the second through-hole 6 that is used for installing resetting means's first through-hole 5 and installation stamping device on two branches of L type swing arm 2, and resetting means includes spacing sleeve, extension spring and extension spring dead lever 14. After the stamping device is pressed down, the stamping device is pulled back to the initial state through the resetting device, and the reciprocating motion of the stamping device is realized.

The utility model provides a four close knot dotter 1 swing arm device, spacing sleeve is last to be equipped with two adaptation holes, is respectively the first adaptation hole 7 the same with first through-hole 5 diameter, and the second adaptation hole 8 the same with second through-hole 6 diameter, and second adaptation hole 8 is stretched to one side, forms a thin wall sleeve, and thin wall sleeve cover is established in second through-hole 6. The first adaptive hole 7 is connected with the tension spring, and the second adaptive hole 8 is sleeved in the second through hole 6 to play a role in guiding the limiting sleeve.

The utility model provides a four close knot dotter 1 swing arm device, extension spring dead lever 14 tight fit is in first through-hole 5, and extension spring one side is fixed on extension spring dead lever 14, and the opposite side is fixed on spacing sleeve. The upper end rod wall of the tension spring fixing rod 14 is provided with a threaded hole, a bolt penetrates through the threaded hole, and one end of a tension spring hooks the bolt.

A bolt hole 9 is formed in the hole wall of a first adapting hole 7, a screw rod penetrates through the bolt hole 9, and the end portion of a tension spring is sleeved on the screw rod. The upper end of the tension spring is connected with a bolt at the upper end of the tension spring fixing rod 14, and the lower end of the tension spring is connected with a bolt on the hole wall of the first adapting hole 7.

The utility model provides a swing arm device of snap-fastener dotter 1, stamping device includes ejector pin 13 and drift, and ejector pin 13 passes second through-hole 6 and supports thin wall sleeve, and the drift is close-fitting in second adaptation hole 8. The ejector rod 13 pushes the limiting sleeve to move downwards.

The utility model provides a four close knot dotter 1 swing arm device, the drift divide into pore-forming drift 10 and dotting punch 11, and one side sets up pore-forming drift 10 on two branches of L type swing arm 2, and the opposite side sets up dotting punch 11. After finishing the hole forming process, the L-shaped swing arm 2 rotates 90 degrees, and the process of making a button can be carried out.

A swing arm device of a snap fastener dotter 1 is characterized in that a rotating main shaft 3 drives an L-shaped swing arm 2 to rotate, the rotating angle is 0-90 degrees, a pore-forming punch 10 is located at a working position when the rotation angle is 0 degree, and a dotting punch 11 is located at the working position when the rotation angle is 90 degrees.

The utility model provides a 1 swing arm device of snap-fastener machine, still be equipped with first sensor and the second sensor that is used for detecting 2 positions of L type swing arm on the snap-fastener machine 1, first sensor is just being branched to one side of L type swing arm 2 that turned angle is 0, the second sensor is just being branched to one side in addition of L type swing arm 2 that turned angle is 90, rotation main shaft 3 is controlled by servo motor, servo motor corotation reversal and rotation time, detect through distance sensor 12, and send control signal.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a snap-fastener machine swing arm device, includes dotter and swing arm, is equipped with servo motor driven rotation main shaft on the dotter, rotates the main shaft and is connected with the swing arm and drives the swing arm and rotate, its characterized in that, the swing arm is L type swing arm, all is equipped with resetting means and stamping device on two mutually perpendicular branches of L type swing arm, the intersection of two branches is equipped with the pilot hole with the assembly of rotation main shaft.

2. The swing arm device of a snap-fastener driving machine according to claim 1, wherein the two branches of the L-shaped swing arm are provided with a first through hole for installing a resetting device and a second through hole for installing a stamping device, and the resetting device comprises a limiting sleeve, a tension spring and a tension spring fixing rod.

3. The swing arm device of a snap fastener driving machine according to claim 2, wherein the position-limiting sleeve is provided with two fitting holes, which are a first fitting hole having the same diameter as the first through hole and a second fitting hole having the same diameter as the second through hole, respectively, and the second fitting hole is stretched to one side to form a thin-walled sleeve, and the thin-walled sleeve is sleeved in the second through hole.

4. The swing arm device of a snap fastener driving machine according to claim 3, wherein the tension spring fixing rod is tightly fitted in the first through hole, one side of the tension spring is fixed on the tension spring fixing rod, and the other side of the tension spring is fixed on the limiting sleeve.

5. The swing arm device of a snap fastener driving machine according to claim 4, wherein the wall of the first fitting hole is provided with a bolt hole, the screw rod passes through the bolt hole, and the end of the tension spring is sleeved on the screw rod.

6. The swing arm device of the snap-fastener dotter as claimed in claim 5, wherein the punching device comprises a push rod and a punch, the push rod passes through the second through hole to abut against the thin-wall sleeve, and the punch is tightly fitted in the second fitting hole.

7. The swing arm device of a snap-button dotter according to claim 6, wherein the punch is divided into a hole-forming punch and a dotting punch, and the hole-forming punch is arranged on one side of two branches of the L-shaped swing arm, and the dotting punch is arranged on the other side of the two branches of the L-shaped swing arm.

8. The swing arm device of a snap-button knotter as claimed in claim 7, wherein the rotating spindle drives the L-shaped swing arm to rotate at an angle of 0-90 °.

9. The swing arm device of a snap fastener driving machine according to claim 8, wherein the driving machine is further provided with a first sensor and a second sensor for detecting the position of the L-shaped swing arm, the first sensor is branched from one side of the L-shaped swing arm with a rotation angle of 0 degree, and the second sensor is branched from the other side of the L-shaped swing arm with a rotation angle of 90 degrees.