CN219731284U - Overlock machine - Google Patents

Abstract

The utility model relates to the field of clothing processing equipment, in particular to a overlock machine, which comprises a workbench, wherein a machine base is arranged on the workbench, a feeding table is arranged on the side wall of the machine base, a mounting frame is arranged on the workbench and positioned on one side of the machine base along the moving direction of cloth, two gears are rotatably arranged on the mounting frame, the rotating axes of the gears are horizontal and positioned above the feeding table, the two gears are connected through a synchronous belt, the length direction of the synchronous belt is parallel to the moving direction of the cloth, the cloth is pressed on the feeding table by the synchronous belt, and a motor for driving the gears to rotate is arranged on the mounting frame. The mounting bracket is located the frame and follows one side of cloth direction of movement, when the wider cloth overlocks, the mounting bracket is difficult for producing the interference to the removal of cloth, and adopts the gear to drive the hold-in range to support the pressure propelling movement to the cloth, and the hold-in range is longer with the contact length on cloth surface, makes the hold-in range steadily drive the cloth to move forward, has reduced the possibility that the cloth removes the emergence skew.

Description

Overlock machine

Technical Field

The utility model relates to the field of clothing processing equipment, in particular to a overlock machine.

Background

In the production manufacturing process of underwear, after the cloth is cut and shaped, the cutting part of the cloth is required to be overlooked through a overlock machine, so that the edge of the cloth is smoother and difficult to scatter, and the quality of the finished underwear product is improved.

The utility model discloses an auxiliary feeding device of a overlock machine, which comprises a mounting frame vertically sliding on a feeding table, wherein a plurality of press rollers are horizontally arranged at intervals on the mounting frame, the arrangement direction of the press rollers is parallel to the transport direction of cloth, and the mounting frame can slide to the side wall of the press rollers to be attached to the top wall of the feeding table through a fixed cylinder fixedly arranged on the feeding table. This application has to lay the cloth on the pay-off bench and aim at behind the needle bar, with the mounting bracket gliding to the press roll laminating support behind the tight cloth start the serging machine and overlock, by the difficult side of appearing of the cloth that the press roll supported tightly.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because different cloth widths are different, and fixed cylinder fixed mounting is difficult for removing on the pay-off platform, leads to wider cloth to take place to interfere with fixed cylinder when removing to make the cloth that touches with fixed cylinder produce the fold because of pressing two, reduced the quality of cloth.

Disclosure of Invention

In order to solve the problem that the cloth is easy to wrinkle when being overlooked, the utility model provides an overlocking machine.

The utility model provides a overlock machine which adopts the following technical scheme:

the utility model provides a serging machine, includes the workstation, be provided with the frame on the workstation, be provided with the pay-off platform on the lateral wall of frame, be provided with the mounting bracket on the workstation, just the mounting bracket is located the frame is along one side of cloth direction of movement, rotate on the mounting bracket and install two gears, the axis of rotation of gear is the level and is located pay-off platform top, two connect through the hold-in range between the gear, the length direction of hold-in range is parallel with the direction of movement of cloth, the hold-in range supports the cloth and presses on the pay-off platform, be provided with the motor on the mounting bracket, just the output shaft of motor with one of them gear drive connects.

Through adopting above-mentioned technical scheme, the mounting bracket is located the frame and follows one side of cloth direction of movement, when the wider cloth is overlooked, and the mounting bracket is difficult for producing the interference to the removal of cloth, and adopts the gear to drive the hold-in range and support the pressure propelling movement to the cloth, and hold-in range and the contact length on cloth surface are longer, make the hold-in range steadily drive the cloth to move forward, have reduced the possibility that the cloth removes and take place the skew.

Optionally, be provided with on the workstation and be vertical slide, install the sliding block that vertically slides in the slide, the mounting bracket is installed on the sliding block, the slide internal rotation is installed and is vertical lead screw, the lead screw with sliding block threaded connection, the lead screw tip is provided with and is used for rotating the hand wheel of lead screw.

Through adopting above-mentioned technical scheme, operating personnel rotates with the horizontal height of regulation mounting bracket on the slide through the drive lead screw, and then adjusts the distance between hold-in range bottom and the pay-off platform upper surface, makes the hold-in range be applicable to the cloth of different thickness and supports the pressure propelling movement.

Optionally, be provided with on the mounting bracket and be used for the tensioning hold-in range tensioning mechanism, tensioning mechanism includes slider and spring, the slider is installed along the direction of movement of cloth on the mounting bracket, one of them gear rotation is installed on the slider, the length direction of spring with the direction of movement of cloth is parallel, the spring both ends respectively with the mounting bracket with slider butt.

Through adopting above-mentioned technical scheme, when the hold-in range used after a period, the hold-in range is lax gradually, under the effect of spring compression force, makes two gears all keep supporting tightly with the hold-in range, and the spring can in time be in time according to the operating condition of hold-in range to the hold-in range tensioning, has reduced the possibility that the hold-in range skidded when rotating.

Optionally, the tensioning mechanism further comprises an outer tube and an inner tube, the outer tube is sleeved on the spring, one end of the outer tube is installed on the sliding block, the inner tube slides and penetrates through the outer tube, one end, close to the sliding block, of the inner tube is abutted to one end, away from the sliding block, of the spring, and one end, away from the spring, of the inner tube is installed on the installation frame.

By adopting the technical scheme, the outer tube plays a limiting role in compression and stretching of the spring, so that the possibility of radial bending of the spring is reduced, and the spring force utilization efficiency and the service life of the spring are effectively improved.

Optionally, the clamping rod is installed through torsional spring rotation on the lateral wall of outer tube, the axis of rotation of clamping rod with the length direction of outer tube is perpendicular, clamping rod one end protrusion is provided with the fixture block, be provided with a plurality of being used for the joint on the lateral wall of inner tube the sawtooth of fixture block, the fixture block joint is in order to hinder on the sawtooth inner tube orientation the outer tube slides.

Through adopting above-mentioned technical scheme, after the distance between two gears is enlarged in order to make hold-in range tensioning, the fixture block is on the sawtooth under the effect of torsional spring, and the distance when keeping tensioning between two gears has hindered to lead to the distance to shorten because of the spring compression between two gears, has played the guarantee effect to hold-in range maintenance tensioning state.

Optionally, a push rod for lifting the clamping rod is arranged on the clamping rod, a clamping groove is arranged on the outer top wall of the outer tube, and one end of the push rod is clamped in the clamping groove after the clamping rod is lifted.

Through adopting above-mentioned technical scheme, when needs change the hold-in range, mentions the draw-in lever through the ejector pin, makes fixture block and sawtooth separation, and then is convenient for two gears be close to each other to be convenient for take off old hold-in range, change new hold-in range.

Optionally, the draw-in bar is close to offered the standing groove on the lateral wall of outer tube, the length direction of standing groove with draw-in bar length direction is parallel, ejector pin one end is rotated and is installed on the diapire of standing groove, the length of ejector pin is less than the length of standing groove, just the axis of rotation of ejector pin with the axis of rotation of draw-in bar is parallel.

Through adopting above-mentioned technical scheme, when the hold-in range carries out work, the ejector pin is received in the standing groove, has reduced the ejector pin when rotating the card pole and has extruded the possibility between card pole and outer tube, has improved the stability of fixture block work.

Optionally, push rods are protruding on the outer side wall of the outer tube and the outer side wall of the inner tube.

Through adopting above-mentioned technical scheme, operating personnel is when shortening the distance between two gears, through the application of force to the push rod, is convenient for compress the spring.

Optionally, the upper surface of the workbench is provided with a mounting groove, the stand is mounted in the mounting groove, and the upper surface of the feeding table is flush with the upper surface of the workbench.

Through adopting above-mentioned technical scheme, when overlocking to wider cloth, one side that the cloth deviates from the frame can fall on the workstation, if there is the difference in height on workstation upper surface and the pay-off bench upper surface, then the cloth is easily broken by the pay-off bench at the in-process that removes.

Optionally, a blanking port is formed in the workbench in a penetrating manner, and a material receiving box is arranged below the blanking port.

Through adopting above-mentioned technical scheme, the part after the serging on the cloth falls into to receive the workbin through the blanking mouth, has reduced the accumulation of cloth on the workstation after the serging, and receive the workbin and be convenient for collect the cloth.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the mounting frame is arranged on one side of the machine base along the moving direction of the cloth, so that enough space is reserved in the horizontal direction perpendicular to the moving direction of the cloth when the cloth is processed, and interference of the mounting frame on the cloth is effectively reduced;

2. the synchronous belt is tensioned through the compression force of the spring, so that the tension of the synchronous belt is effectively and rapidly adjusted, and the possibility of slipping of the synchronous belt is reduced;

3. the torsional spring drives the clamping rod to rotate, and the clamping block is clamped between the saw teeth, so that the possibility of shrinkage of the spring is reduced, and the function of locking the synchronous belt is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the table of the present utility model.

Fig. 3 is a schematic perspective view of the tensioning mechanism of the present utility model.

Fig. 4 is a partial cross-sectional view of the outer tube, the latch, and the latch of the present utility model.

Fig. 5 is a cross-sectional view of the junction of the outer tube and the inner tube of the present utility model.

Reference numerals: 1. a work table; 2. a mounting groove; 3. a base; 4. a feeding table; 5. a mounting frame; 6. a mounting block; 7. a gear; 8. a synchronous belt; 9. a motor; 10. a slideway; 11. a sliding block; 12. a screw rod; 13. a hand wheel; 14. a tensioning mechanism; 141. a slide block; 142. a spring; 143. an outer tube; 144. an inner tube; 15. a first baffle ring; 16. a second baffle ring; 17. a through groove; 18. a mounting plate; 19. a torsion spring; 20. a clamping rod; 21. a clamping block; 22. saw teeth; 23. a push rod; 24. a clamping groove; 25. a placement groove; 26. a push rod; 27. a blanking port; 28. a material guide plate; 29. a material receiving box; 30. and a dovetail groove.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a overlock machine, referring to fig. 1 and 2, comprising a workbench 1, wherein an installation groove 2 is formed in the upper surface of the workbench 1, a machine base 3 is fixedly installed in the installation groove 2, a feeding table 4 with the upper surface being horizontal is fixedly installed on the side wall of the machine base 3, the upper surface of the feeding table 4 is flush with the upper surface of the workbench 1, cloth moves on the feeding table 4 in the horizontal direction and overlocks, and the machine base 3 is positioned on one side of the moving direction of the cloth; the workbench 1 is vertically provided with a blanking port 27 in a penetrating manner, the blanking port 27 is positioned on one side of the feeding table 4 along the moving direction of the cloth, an inclined guide plate 28 is fixedly arranged below the blanking port 27, and a material receiving box 29 for collecting the processed cloth is arranged at the bottom of the guide plate 28.

Referring to fig. 1 and 2, a vertical slideway 10 is fixedly installed on the upper surface of a workbench 1, the slideway 10 is positioned on one side of a machine base 3 along the moving direction of cloth, a dovetail groove 30 is formed in the side wall, close to the cloth, of the slideway 10 along the vertical direction, a sliding block 11 is vertically slidably installed in the dovetail groove 30, a vertical screw rod 12 is rotatably installed in the dovetail groove 30, the screw rod 12 vertically penetrates through the sliding block 11, the screw rod 12 is in threaded connection with the sliding block 11, and a hand wheel 13 is fixedly installed at the top end of the screw rod 12.

Referring to fig. 1 and 2, fixed mounting has mounting bracket 5 on the slider 11, rotates on the mounting bracket 5 and installs two gears 7, and two gears 7 all are located pay-off platform 4 top and gear 7's axis of rotation all are the level, and the one side protrusion towards frame 3 on the mounting bracket 5 is provided with installation piece 6, and the gear 7 rotation of keeping away from slide 10 is installed on installation piece 6, and two gears 7 pass through hold-in range 8 and are connected, and the length direction of hold-in range 8 is parallel with the direction of movement of cloth, and hold-in range 8 and frame 3 are located the both sides of cloth overlock department respectively. The motor 9 is fixedly installed on the installation frame 5, an output shaft of the motor 9 is in transmission connection with the gear 7 far away from the slideway 10, and the installation frame 5 is provided with a tensioning mechanism 14 for adjusting the distance between the two gears 7.

Referring to fig. 3 and 4, the tensioning mechanism 14 includes a sliding block 141 slidably mounted on the mounting frame 5, the sliding direction of the sliding block 141 is parallel to the moving direction of the cloth, the gear 7 close to the slideway 10 is rotatably mounted on the sliding block 141, an outer tube 143 is fixedly mounted on the sliding block 141, the outer tube 143 is located between the rotation axes of the two gears 7, the length direction of the outer tube 143 is parallel to the moving direction of the cloth, a spring 142 is mounted in the outer tube 143 in a penetrating manner, one end of the spring 142 is abutted against the sliding block 141, a first baffle ring 15 is coaxially and fixedly mounted on the inner side wall of the outer tube 143, which is away from the port of the sliding block 141, an inner tube 144 is mounted in the first baffle ring 15 in a penetrating manner, a second baffle ring 16 is arranged on the outer side wall of the end of the inner tube 144 located in the outer tube 143 in a protruding manner, the outer side wall of the outer side of the end of the second baffle ring 16 is slidably matched with the inner side wall of the outer tube 143, and one side of the second baffle ring 16, which is abutted against one end of the spring 142, which is away from the sliding block 141, and one end of the inner tube 144 is located outside the outer tube 143. Push rods 26 are arranged on the side walls of the outer tube 143 and the inner tube 144 in a protruding mode, the push rods 26 are located on the side, away from the gear 7, of the springs 142, and the springs 142 in the outer tube 143 are conveniently compressed through the push rods 26.

Referring to fig. 3 and 5, a plurality of saw teeth 22 are convexly disposed on a top wall of the inner tube 144, the saw teeth 22 are distributed along a length direction of the inner tube 144, a side of the saw teeth 22 close to the sliding block 141 is a right-angle side, a through groove 17 is formed in a penetrating manner at the top of the first baffle ring 15 along an axial direction of the first baffle ring 15, the through groove 17 vertically penetrates through an inner side wall of the first baffle ring 15 downwards, and when the inner tube 144 slides horizontally, the saw teeth 22 slide through the through groove 17.

Referring to fig. 4, a mounting plate 18 is convexly arranged on the top wall of an outer tube 143, a rotating shaft is fixedly arranged on the mounting plate 18, the axis of the rotating shaft is horizontal and vertical to the length direction of the outer tube 143, a clamping rod 20 is rotatably arranged at one end, far away from the mounting plate 18, of the rotating shaft, the rotating axis of the clamping rod 20 coincides with the axis of the rotating shaft, a torsion spring 19 is sleeved on the rotating shaft, one end of the torsion spring 19 is connected with a fixed plate, and the other end of the torsion spring 19 is connected with the clamping rod 20; the clamping rod 20 is provided with a clamping block 21 in a protruding mode at one end, away from the mounting plate 18, of the clamping rod, and in an operating state, the clamping block 21 is clamped between two adjacent sawteeth 22 under the action of the torsion spring 19.

Referring to fig. 4, a placing groove 25 is formed in a side wall of the clamping rod 20, which is close to the outer tube 143, the length direction of the placing groove 25 is parallel to the length direction of the clamping rod 20, a push rod 23 is rotatably mounted on the bottom wall of one end, far away from the mounting plate 18, of the placing groove 25, the rotation axis of the push rod 23 is parallel to the rotation axis of the clamping rod 20, the length of the push rod 23 is smaller than that of the placing groove 25, in a working state, the bottom of one end, close to the mounting plate 18, of the push rod 23 is abutted against the top of the outer tube 143, and the push rod 23 is rotatably accommodated in the placing groove 25; the outer top wall of the outer rod is provided with a clamping groove 24, when the spring 142 is compressed, the bottom end of the ejector rod 23 is clamped in the clamping groove 24, and the ejector rod 23 lifts the clamping rod 20.

The embodiment of the utility model provides an implementation principle of a overlock machine, which comprises the following steps: in the initial state, the synchronous belt 8 is positioned at a higher position, the clamping blocks 21 are clamped between the two saw teeth 22, the position where the cloth needs to be overlooked is placed on the feeding table 4, the hand wheel 13 is rotated to enable the synchronous belt 8 to descend until the lower surface of the synchronous belt 8 is abutted against the upper surface of the cloth, the motor 9 is started, the synchronous belt 8 pushes the cloth to move to finish overlooking under the driving of the motor 9, the overlooked cloth moves to the blanking port 27 along the moving direction, and the cloth falls into the material collecting box 29 along the inclined direction of the slideway 10; the hold-in range 8 needs to be changed after using a period, earlier rotate out ejector pin 23, make ejector pin 23 bottom joint in draw-in groove 24 to mentions fixture block 21, make two gears 7 be close to each other through applying force to push rod 26, take down old hold-in range 8 again, change new hold-in range 8, then rotate ejector pin 23, accomodate ejector pin 23 in standing groove 25, fixture block 21 joint again between two sawtooth 22, accomplish the change of hold-in range 8.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A serging machine, characterized in that: including workstation (1), be provided with frame (3) on workstation (1), be provided with pay-off platform (4) on the lateral wall of frame (3), be provided with mounting bracket (5) on workstation (1), just mounting bracket (5) are located frame (3) are along one side of cloth direction of movement, rotate on mounting bracket (5) and install two gears (7), the axis of rotation of gear (7) is the level and is located pay-off platform (4) top, two connect through hold-in range (8) between gear (7), the length direction of hold-in range (8) is parallel with the direction of movement of cloth, hold-in range (8) are in the cloth is supported on pay-off platform (4), be provided with motor (9) on mounting bracket (5), just the output shaft of motor (9) with one of them gear (7) transmission is connected.

2. A serging machine according to claim 1, wherein: be provided with on workstation (1) and be vertical slide (10), install in slide (10) and slide piece (11) that vertically slide, mounting bracket (5) are installed slide piece (11) are last, slide (10) internal rotation is installed and is vertical lead screw (12), lead screw (12) with slide piece (11) threaded connection, lead screw (12) tip is provided with hand wheel (13) that are used for rotating lead screw (12).

3. A serging machine according to claim 1, wherein: the novel synchronous belt tensioning device is characterized in that a tensioning mechanism (14) used for tensioning the synchronous belt (8) is arranged on the mounting frame (5), the tensioning mechanism (14) comprises a sliding block (141) and a spring (142), the sliding block (141) is slidably arranged on the mounting frame (5) along the moving direction of cloth, one gear (7) is rotatably arranged on the sliding block (141), the length direction of the spring (142) is parallel to the moving direction of the cloth, and two ends of the spring (142) are respectively abutted to the mounting frame (5) and the sliding block (141).

4. A serging machine according to claim 3, wherein: the tensioning mechanism (14) further comprises an outer tube (143) and an inner tube (144), the outer tube (143) is sleeved on the spring (142), one end of the outer tube (143) is installed on the sliding block (141), the inner tube (144) is slidably arranged in the outer tube (143), one end, close to the sliding block (141), of the inner tube (144) is abutted to one end, deviating from the sliding block (141), of the spring (142), and one end, away from the spring (142), of the inner tube (144) is installed on the installation frame (5).

5. A serging machine according to claim 4, wherein: clamping rods (20) are rotatably mounted on the outer side wall of the outer tube (143) through torsion springs (19), the rotation axes of the clamping rods (20) are perpendicular to the length direction of the outer tube (143), clamping blocks (21) are arranged at one end of each clamping rod (20) in a protruding mode, a plurality of saw teeth (22) used for being clamped with the clamping blocks (21) are arranged on the outer side wall of the inner tube (144), and the clamping blocks (21) are clamped with the saw teeth (22) to prevent the inner tube (144) from sliding towards the outer tube (143).

6. A serging machine according to claim 5, wherein: the clamping rod (20) is provided with a push rod (23) for lifting the clamping rod (20), the outer top wall of the outer tube (143) is provided with a clamping groove (24), and one end of the push rod (23) is clamped in the clamping groove (24) after the clamping rod (20) is lifted.

7. A serging machine according to claim 6, wherein: the clamping rod (20) is close to the side wall of the outer tube (143) and is provided with a placing groove (25), the length direction of the placing groove (25) is parallel to the length direction of the clamping rod (20), one end of the ejector rod (23) is rotatably installed on the bottom wall of the placing groove (25), the length of the ejector rod (23) is smaller than that of the placing groove (25), and the rotating axis of the ejector rod (23) is parallel to the rotating axis of the clamping rod (20).

8. A serging machine according to claim 5, wherein: push rods (26) are arranged on the outer side wall of the outer tube (143) and the outer side wall of the inner tube (144) in a protruding mode.

9. A serging machine according to claim 1, wherein: the mounting groove (2) is formed in the upper surface of the workbench (1), the base (3) is mounted in the mounting groove (2), and the upper surface of the feeding table (4) is flush with the upper surface of the workbench (1).

10. A serging machine according to claim 1, wherein: the workbench (1) is provided with a blanking port (27) in a penetrating mode, and a material receiving box (29) is arranged below the blanking port (27).