Intelligent sewing machine feeding mechanism

Abstract

The utility model relates to the technical field of mechanical automatic control, and discloses an intelligent sewing machine feeding mechanism which comprises a feeding eccentric wheel, and the side wall of the feeding eccentric wheel is fixedly connected with a check ring. According to the feeding mechanism of the intelligent sewing machine, the lifting and pressing crank is one part of the feeding mechanism of the sewing machine. The feeding eccentric wheel is fixedly installed at the position of the main shaft of the motor through a screw, rotation of the feeding eccentric wheel is transmitted to the lifting and pressing crank through the lifting and pressing connecting rod, the lifting and pressing crank conducts lifting and pressing rotation motion, the other position is transmitted to the feeding crank through the feeding connecting rod to move, and vertical swing of the sewing machine head is achieved. The swing plate seat is connected to the sewing machine head through cooperation of the connecting rod, stable swing in the sewing process is guaranteed, the feeding connecting rod can be rotated to enable the oval ring to rotate around the fixed teeth, the position of the feeding connecting rod and the movement track of the feeding connecting rod are adjusted, and the hidden danger of impacting a machine shell is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical automatic control field technical field, concretely is a kind of intelligent sewing machine feeding mechanism. BACKGROUND

[0002] In the prior art of sewing machine, the driving source of feeding and cloth stabbing thread is only one, that is, the whole input is completed by the main motor, so that after the machine assembly is completed, the synchronization relationship of cloth feeding and cloth stabbing thread is also determined, and their synchronization relationship will not change in each cycle of the main motor operation.

[0003] But the above-mentioned equipment in actual use process, machine in running feeding, feeding eccentric wheel rotates, drives lifting pressure crank to rotate, crank place right angle is easy to hit the hidden danger of machine shell, makes the durable use time of lifting pressure crank itself shorter, in view of this, we propose a kind of intelligent sewing machine feeding mechanism. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of intelligent sewing machine feeding mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of intelligent sewing machine feeding mechanism, including feeding eccentric wheel, the side wall of the feeding eccentric wheel is fixedly connected with retainer, the side wall of the retainer is fixedly connected with lifting pressure connecting rod, the end of the lifting pressure connecting rod away from the retainer is threadably detachably connected with lifting pressure crank, the side wall of the feeding eccentric wheel is threadably detachably connected with eccentric wheel cover plate one, the side wall of the eccentric wheel cover plate one is fixedly installed eccentric wheel cover plate two, the surface of the eccentric wheel cover plate one is provided with feeding connecting rod, the end of the feeding connecting rod away from the eccentric wheel cover plate one is threadably detachably connected with feeding crank, the surface of the feeding crank is threadably detachably connected with swing plate seat assembly, the outside of the eccentric wheel cover plate one is provided with adjusting mechanism, the outside of the eccentric wheel cover plate one is provided with fixed mechanism.

[0006] Preferably, the adjusting mechanism includes a fixed tooth, the fixed tooth is fixedly installed on the side wall of the eccentric wheel cover plate two, the side wall of the eccentric wheel cover plate one is movably installed with an elliptical ring, the inner wall of the elliptical ring is fixedly installed with a fixed rod, the inner wall of the elliptical ring is movably installed with a connecting rod, the arc surface of the connecting rod is fixedly installed with a ratchet block, the end of the connecting rod away from the ratchet block is fixedly installed with an adjusting rod, the inner wall of the elliptical ring is fixedly installed with a return spring, the end of the return spring away from the inner wall of the elliptical ring is fixedly connected with a limiting ball.

[0007] Preferably, the fixing mechanism comprises an arc-shaped block fixedly installed on the side wall of the oval ring, the inner wall of the eccentric wheel cover plate one is fixedly installed with a gear ring, the surface of the eccentric wheel cover plate one is connected with a clamping block, the side wall of the clamping block is fixedly installed with a gear ring, and the side wall of the gear ring is fixedly installed with a gear arc block.

[0008] Preferably, the surface of the gear arc block is provided with gears, the shape of the gears is matched with the shape of the gear ring, and the shape of the gear arc block is matched with the shape of the arc-shaped block.

[0009] Preferably, the connecting rod penetrates the eccentric wheel cover plate one, and the oval ring and the feeding connecting rod are provided with adjusting grooves away from the surface of the fixing teeth.

[0010] Preferably, the inner wall of the oval ring is provided with a movable hole, the diameter of the movable hole is matched with the maximum diameter of the reset spring, and the limiting ball sub moves under the action of the reset spring.

[0011] Preferably, the surface of the ratchet block is provided with gears, and the shape of the gears is matched with the shape of the fixing teeth.

[0012] Compared with the prior art, the intelligent sewing machine feeding mechanism has the following beneficial effects:

[0013] 1. The intelligent sewing machine feeding mechanism, the lifting and pressing crank is one of the parts of the sewing machine feeding mechanism. The feeding eccentric wheel is fixedly installed at the motor main shaft through screws, rotation of the feeding eccentric wheel is transmitted to the lifting and pressing crank through the lifting and pressing connecting rod, so that the lifting and pressing crank performs lifting and pressing rotary motion, another place transmits motion to the feeding crank through the feeding connecting rod, the up-and-down swinging of the sewing machine head is realized, the swinging plate seat is connected to the sewing machine head through the cooperation of the connecting rod, so that stable swinging can be realized during sewing, secondly, the feeding connecting rod can be rotated to make the oval ring rotate around the fixing teeth, the position of the feeding connecting rod is adjusted, the trajectory of the feeding connecting rod is adjusted, the hidden danger of impacting the machine shell is reduced, and the different width of the cloth can be better transported, meanwhile, the direction of the ratchet block can be adjusted through the rotatable adjusting rod, so that the motion of the feeding connecting rod is ensured to be in single direction during rotation, the stability during adjustment is better, the adjustment can be realized without disassembly, and then the smooth operation of the machine is ensured.

[0014] 2. The intelligent sewing machine feeding mechanism is provided with a stabilizing mechanism, the clamping block can be clamped to the surface of the eccentric wheel cover plate one, the shape of the gear arc block is matched with that of the arc-shaped block, the motion of the gear arc block is better limited, the gear ring meshes with the gear ring to ensure that the eccentric wheel cover plate one drives the oval ring to move, and then the stability during machine operation is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the main body structure of the utility model.

[0016] Figure 2 It is the schematic diagram of eccentric wheel feeding explosion structure of the utility model;

[0017] Figure 3 It is the schematic diagram of eccentric wheel cover plate two local explosion structure of the utility model;

[0018] Figure 4 It is the schematic diagram of oval ring local structure of the utility model;

[0019] Figure 5 It is the schematic diagram of eccentric wheel cover plate one local explosion structure of the utility model;

[0020] Figure 6 It is the schematic diagram of clamping block local structure of the utility model.

[0021] In the figure: 1, eccentric wheel feeding; 2, lifting pressure connecting rod; 3, adjusting mechanism; 301, fixed tooth; 302, fixed rod; 303, ratchet block; 304, connecting rod; 305, limit ball; 306, return spring; 307, adjusting rod; 308, oval ring; 4, fixed mechanism; 401, arc block; 402, gear ring; 403, clamping block; 404, gear ring; 405, gear arc block; 5, lifting crank; 6, eccentric wheel cover plate one; 7, eccentric wheel cover plate two; 8, feeding connecting rod; 9, swing plate seat assembly; 10, feeding crank; 11, check ring. DETAILED DESCRIPTION

[0022] As Figures 1-6 shown, the utility model provides a technical scheme: a kind of intelligent sewing machine feeding mechanism, the sidewall of eccentric wheel feeding 1 is fixedly connected check ring 11, the sidewall of check ring 11 is fixedly connected lifting pressure connecting rod 2, the end of lifting pressure connecting rod 2 away from check ring 11 is threadably detachably connected lifting crank 5, the sidewall of eccentric wheel feeding 1 is threadably detachably connected eccentric wheel cover plate one 6, the sidewall of eccentric wheel cover plate one 6 is fixedly installed eccentric wheel cover plate two 7, the surface of eccentric wheel cover plate one 6 is provided with feeding connecting rod 8, the end of feeding connecting rod 8 away from eccentric wheel cover plate one 6 is threadably detachably connected feeding crank 10, the surface of feeding crank 10 is threadably detachably connected swing plate seat assembly 9, the outside of eccentric wheel cover plate one 6 is provided with adjusting mechanism 3, the outside of eccentric wheel cover plate one 6 is provided with fixed mechanism 4, adjusting mechanism 3 includes fixed tooth 301, fixed rod 302, ratchet block 303, connecting rod 304, limit ball 305, return spring 306, adjusting rod 307, oval ring 308.

[0023] In an embodiment of the utility model, adjusting mechanism 3 includes fixed tooth 301, fixed tooth 301 is fixedly installed in eccentric wheel cover board no. 2 7 lateral wall, eccentric wheel cover board no. 1 6 lateral wall movable installation ellipse ring 308, the inner wall fixed installation fixed rod 302 of ellipse ring 308, the inner wall movable installation connecting rod 304 of ellipse ring 308, the arc surface fixed installation ratchet block 303 of connecting rod 304, the one end fixed installation adjusting rod 307 of connecting rod 304 away from ratchet block 303, the inner wall fixed installation reset spring 306 of ellipse ring 308, the one end fixed connection limit ball 305 of reset spring 306 away from the inner wall of ellipse ring 308.

[0024] In addition, fixed mechanism 4 includes arc block 401, arc block 401 is fixedly installed in the lateral wall of ellipse ring 308, the inner wall fixed installation gear ring 402 of eccentric wheel cover board no. 1 6, the surface of eccentric wheel cover board no. 1 6 is connected with clamping block 403, the lateral wall fixed installation tooth ring 404 of clamping block 403, the lateral wall fixed installation tooth arc block 405 of tooth ring 404, the surface of tooth arc block 405 is provided with tooth, the shape of tooth is adapted to the shape of gear ring 402, tooth arc block 405 is convenient for passing through gear ring 402 to form completed ring by clamping arc block 401, arc block 401 and tooth arc block 405 are all provided with a plurality of, a plurality of arc block 401 is fixedly installed in circumferential array, tooth arc block 405 is arranged on the surface of clamping block 403 for the same reason, the shape of tooth arc block 405 on the lateral wall of ellipse ring 308 is adapted to the shape of arc block 401, the surface of eccentric wheel cover board no. 1 6 is provided with clamping groove, the surface of clamping block 403 is provided with clamping ring to facilitate the fixed clamping block 403, gear ring 402 and tooth ring 404 are engaged to make eccentric wheel cover board no. 1 6, eccentric wheel cover board no. 2 7 and ellipse ring 308 ensure together movement.

[0025] In the embodiment of the utility model, connecting rod 304 penetrates eccentric wheel cover board no. 1 6, ellipse ring 308 and feeding connecting rod 8 are provided with adjusting groove on the surface away from fixed tooth 301, the inner wall of ellipse ring 308 is provided with movable hole, the diameter of movable hole is adapted to the maximum diameter of reset spring 306, the surface of ratchet block 303 of rotating adjusting rod 307 is provided with tooth, the shape of tooth is adapted to the shape of fixed tooth 301, the recess of the lower portion of ratchet block 303 is adapted to limit ball 305, limit ball 305 is clamped to the left and right recesses of the lower end of ratchet block 303 in cooperation with reset spring 306 and is positioned, makes the tooth on the surface of ratchet block 303 cooperate fixed rod 302 and fixed tooth 301 to make the movement of the round ring only in one direction, guarantees the stability when adjusting, prevents the slippage of feeding connecting rod 8 rotation.

[0026] Specifically, the feeding eccentric wheel 1 is assembled on the main shaft, the feeding connecting rod 8 and the lifting and pressing connecting rod 2 are fixed on both sides of the feeding eccentric wheel 1 through the eccentric wheel cover plate two 7 and the blocking ring 11, the lifting and pressing crank 5 is assembled at the small head of the lifting and pressing connecting rod 2 and is fixed and matched through the shaft position screw of the lifting and pressing connecting rod 2, and the swing plate seat assembly 9 and the feeding crank 10 are matched at the small head of the feeding connecting rod 8 through the swing pin.

[0027] In the utility model, in use, the lifting and pressing crank 5 is one part of the feeding mechanism of the sewing machine. The feeding eccentric wheel 1 is fixedly installed on the motor main shaft through a screw, the feeding eccentric wheel 1 rotates and transmits to the lifting and pressing crank 5 through the lifting and pressing connecting rod 2, the lifting and pressing crank 5 rotates in lifting and pressing, another place transmits to the feeding crank 10 through the feeding connecting rod 8, the up and down swing of the sewing machine head is realized, the swing plate seat assembly 9 is connected to the sewing machine head through the connecting rod, so that the swing in the sewing process can be stably carried out, secondly, the feeding connecting rod 8 can be rotated to make the elliptical ring 308 rotate around the fixed tooth 301, the position of the feeding connecting rod 8 is adjusted, the track of the feeding connecting rod 8 is adjusted, the hidden danger of impacting the machine shell is reduced, meanwhile, the different width of cloth can be better transported, meanwhile, the adjusting rod 307 can be rotated to make the ratchet block 303 on the connecting rod 304 rotate, the direction of the ratchet block 303 is adjusted, the one-way movement when the feeding connecting rod 8 is rotated is ensured, so that the stability during adjustment is better, the adjustment can be carried out without disassembly, and then the smooth operation of the machine is ensured.

[0028] Further, the clamping block 403 can be clamped to the surface of the eccentric wheel cover plate one 6, the toothed arc block 405 is matched with the shape of the arc block 401, the movement of the elliptical ring 308 is better limited by the toothed arc block 405, meanwhile, the toothed ring 404 meshes with the gear ring 402, so that the eccentric wheel cover plate one 6 drives the elliptical ring 308 to move, and then the stability during the operation of the machine is ensured.

[0029] The above has made a detailed description on the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the spirit of the utility model is within the protection scope of the utility model.

Claims

1. An intelligent sewing machine feeding mechanism, comprising a feeding eccentric wheel (1), the side wall of the feeding eccentric wheel (1) is fixedly connected with a check ring (11), the side wall of the check ring (11) is fixedly connected with a lifting and pressing connecting rod (2), the end of the lifting and pressing connecting rod (2) away from the check ring (11) is threadedly detachably connected with a lifting and pressing crank (5), the side wall of the feeding eccentric wheel (1) is threadedly detachably connected with an eccentric wheel cover plate one (6), the side wall of the eccentric wheel cover plate one (6) is fixedly installed with an eccentric wheel cover plate two (7), the surface of the eccentric wheel cover plate one (6) is provided with a feeding connecting rod (8), the end of the feeding connecting rod (8) away from the eccentric wheel cover plate one (6) is threadedly detachably connected with a feeding crank (10), and the surface of the feeding crank (10) is threadedly detachably connected with a swing plate seat assembly (9), characterized in that: The outer side of the eccentric cover plate one (6) is provided with an adjusting mechanism (3), and the outer side of the eccentric cover plate one (6) is provided with a fixing mechanism (4).

2. A smart sewing machine feed mechanism according to claim 1, characterized in that: The adjusting mechanism (3) comprises a fixed tooth (301) fixedly installed on the side wall of the eccentric cover plate two (7), an oval ring (308) movably installed on the side wall of the eccentric cover plate one (6), a fixed rod (302) fixedly installed on the inner wall of the oval ring (308), a connecting rod (304) movably installed on the inner wall of the oval ring (308), a ratchet block (303) fixedly installed on the arc surface of the connecting rod (304), an adjusting rod (307) fixedly installed on the end of the connecting rod (304) away from the ratchet block (303), a reset spring (306) fixedly installed on the inner wall of the oval ring (308), and a limiting ball (305) fixedly connected to the end of the reset spring (306) away from the inner wall of the oval ring (308).

3. A smart sewing machine feed mechanism according to claim 2, wherein: The fixing mechanism (4) comprises an arc block (401) fixedly installed on the side wall of the oval ring (308), a gear ring (402) fixedly installed on the inner wall of the eccentric cover plate one (6), a clamping block (403) clamped on the surface of the eccentric cover plate one (6), a gear ring (404) fixedly installed on the side wall of the clamping block (403), and a gear arc block (405) fixedly installed on the side wall of the gear ring (404).

4. A smart sewing machine feed mechanism according to claim 3, wherein: The surface of the gear arc block (405) is provided with gear teeth, the shape of the gear teeth is matched with the shape of the gear ring (402), and the shape of the gear arc block (405) is matched with the shape of the arc block (401).

5. The intelligent sewing machine feed mechanism of claim 2, wherein: The connecting rod (304) penetrates through the eccentric cover plate one (6), and the oval ring (308) and the feeding connecting rod (8) are provided with an adjusting groove on the surface away from the fixed tooth (301).

6. A smart sewing machine feed mechanism according to claim 2, wherein: The inner wall of the oval ring (308) is provided with a movable hole, and the diameter of the movable hole is matched with the maximum diameter of the reset spring (306).

7. The intelligent sewing machine feed mechanism of claim 2, wherein: The surface of the ratchet block (303) is provided with gear teeth, and the shape of the gear teeth is matched with the shape of the fixed tooth (301).

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