CN201627055U

CN201627055U - Novel sewing machine

Info

Publication number: CN201627055U
Application number: CN2009200621872U
Authority: CN
Inventors: 陈曲波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-12
Filing date: 2009-08-12
Publication date: 2010-11-10
Anticipated expiration: 2019-08-12

Abstract

The utility model discloses a sewing machine, which achieves to respectively control a needle rod to swing and a feed dog to feed cloth by two function selecting keys through transmission of connecting inner mechanisms, and can sew sewing stitches which just can be sewed by a computer sewing machine ago. The sewing machine comprises a function adjusting mechanism (1), a swinging needle pushing cam tablet group (8), a feed conduction cam tablet group (9), an upper cross shaft (3), a feed transmission mechanism (5), a chute (6), a feed driving cam (14), a needle rod mechanism (7), a function selecting knob (2) and a function selecting knob (20), and is characterized in that the swinging needle pushing cam tablet group (8) transfers power to the needle rod mechanism (7), the feed conduction cam tablet group (9) transfers power to the chute (6), the chute (6) is connected with the feed transmission mechanism (5), the feed driving cam (14) transports power to the feed transmission mechanism (5), and the function selecting knob (2) and the function selecting knob (20) are respectively arranged on the function adjusting mechanism (1).

Description

A kind of novel sewing machine

Technical field

The utility model relates to a kind of novel sewing machine, being particularly related to a kind of various combination by 2 function selecting keys selects, and realize controlling respectively by the transmission that connects internal mechanism shank different amplitudes swing and move back when advancing when synchronous and work feed that displacement varies in size, thereby can sewing go out the Sewing machines of a large amount of dissimilar sewing thread traces.

Background technology

Sewing machines in the past, in the sewing process, control the swing and the synchronous displacement size of advancing of work feed of the different amplitudes of shank by the transmission of internal mechanism, but can not realize controlling synchronous work feed the time move back when advancing, so, can only go out the stitching that the work feed that advances is only arranged by sewing, move back the stitching of work feed when advancing when can not sewing going out, limit the generation and the sewing of multiple sewing thread trace type widely, can't satisfy the diversified day by day Sewing machines market demand of stitching type; After the release of computer controlled sewing machine, the stitching and the limited problem of sewing thread trace type of moving back work feed when advancing when above Sewing machines does not have have been solved, very big impetus has also been played in variation popularization to sewing thread trace, but because its manufacturing cost costliness, only on high-end Sewing machines market, obtain promoting, the market scope that is suitable for is very narrow, is unfavorable for popularizing in large quantities; Therefore, a kind ofly novel low-cost generation of making and can sewing going out the Sewing machines of the sewing thread trace that computer controlled sewing machine in the past could sewing comes out can be adopted, the deficiency of above-mentioned Sewing machines can be effectively solved.

Summary of the invention

The utility model is on the basis of having studied above-mentioned Sewing machines, a kind of novel sewing machine of releasing, this Sewing machines is selected by the various combination of 2 function selecting keys on the function governor motion, and realize controlling respectively by the transmission that connects internal mechanism shank different amplitudes swing and move back when advancing when synchronous and work feed that displacement varies in size, thereby can go out a large amount of dissimilar sewing thread traces that in the past had only computer controlled sewing machine ability sewing to come out by sewing, effectively solve Sewing machines sewing stitching in the past can only sewing go out only have advance work feed and can not the time move back the stitching of work feed when advancing, simultaneously, this Sewing machines does not need the computerized control system that adopts computer controlled sewing machine to adopt, has effectively avoided the manufacturing cost problem of the computerized control system costliness that computer controlled sewing machine adopted.

The purpose of this utility model is achieved in that

A kind of novel sewing machine, be provided with 1 function governor motion (1), 1 function that is provided in the rotatable adjusting on the function governor motion (1) is selected knob (2), 1 is provided in the function selection knob (20) that last 1 rotation of function governor motion (1) is regulated, be provided in and merging the balancing point actuating cam sheet group of forming (8) and merging the work feed of forming on the function governor motion (1) conduct cam bit group (9) by the multi-disc cam bit by the multi-disc cam bit, balancing point transmission mechanism (10) with balancing point actuating cam sheet group (8) contact matching, work feed export agency (11) with work feed conduction cam bit group (9) contact matching, promote balancing point transmission mechanism (10) and the corresponding balancing point selection actuating cam (12) of each cam bit in the balancing point actuating cam sheet group (8) by rotation, select actuating cam (13) by the corresponding work feed of each cam bit that rotation promotion work feed export agency (11) and work feed conduct in the cam bit group (9), drive the last transverse axis (3) of function governor motion (1), the main driving motor (16) of transverse axis in the driving (3), be used to install the shank (17) of sewing needle, be provided in the feed dog (4) of shank (17) below, the needle bar mechanism (7) that is used for device shank (17), drive the work feed transmission mechanism (5) that feed dog (4) produces synchronous work feed motion, be used for the work feed displacement of the lines size of pipe limit feed dog (4) and the chute (6) of guiding cloth feeding direction, driving work feed transmission mechanism (5) makes its same chute (6) make the work feed driving cam (14) that is slidingly matched, driving feed dog (4) makes it make the work feed lifting push rod (15) of elevating movement, be fixed on transverse axis (3) one ends, be used to drive the swing arm (18) of shank (17), connect the needle connecting rod (19) of shank (17) and swing arm (18), it is characterized in that:

Above-mentioned main driving motor (16) comes to be connected with the above-mentioned transverse axis (3) of going up by gear, above-mentioned functions governor motion (1) is equipped with above-mentioned balancing point actuating cam sheet group (8) and work feed conduction cam bit group (9), the above-mentioned balancing point actuating cam sheet group (8) that is provided on the above-mentioned functions governor motion (1) is connected by the turbine and worm structure with the above-mentioned transverse axis (3) of going up, above-mentioned balancing point actuating cam sheet group (8) is done contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned balancing point transmission mechanism (10) and is connected with balancing point transmission mechanism (10), above-mentioned balancing point selects actuating cam (12) to be connected with balancing point transmission mechanism (10) with contact block projecting surface contact matching on the balancing point transmission mechanism (10) by the cascaded surface on it, above-mentioned balancing point selects actuating cam (12) to select knob (2) to be connected by assembling axle thereon with function, above-mentioned balancing point transmission mechanism (10) is connected by straight pin and connecting rod with above-mentioned needle bar mechanism (7), shank (17) is provided on the needle bar mechanism (7) as matched in clearance by the hole on the shank face of cylinder on it and the above-mentioned needle bar mechanism (7), shank (17) is connected with last transverse axis by connecting rod, being provided in above-mentioned work feed conduction cam bit group (9) on the function governor motion (1) does contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned work feed export agency (11) and is connected with work feed export agency (11), above-mentioned work feed select actuating cam (13) by the contact block convex surface contact matching on the cascaded surface on it and the work feed export agency (11) with work feed export agency (11)) be connected, above-mentioned work feed selects actuating cam (13) to select knob (20) to be connected by assembling axle thereon with function, above-mentioned chute (6) is by axle fixed thereon, connecting rod and straight pin are connected with above-mentioned work feed export agency (11), above-mentioned work feed transmission mechanism (5) is connected by do the to lead same chute (6) that is slidingly matched of the groove surface on cylinder and the above-mentioned chute (6) of the cylinder of projection thereon, above-mentioned work feed transmission mechanism (5) is made contact matching by U profile thereon with the cam surface on the above-mentioned work feed driving cam (14) and is connected with work feed driving cam (14), above-mentioned feed dog (4) is connected with above-mentioned work feed transmission mechanism (6) with circular hole matched in clearance on the above-mentioned work feed transmission mechanism (6) by the cylinder cylinder on it, feed dog (4) is by cylinder bottom face and inclined-plane on the work feed lifting push rod (15) and coupled cascaded surface contact matching on it, and the circular hole that work feed lifting push rod (15) passes through on it is connected with work feed driving cam (14) with protruding column cylinder matched in clearance on the work feed driving cam (14).

Description of drawings

Fig. 1 is expression the utility model stereochemical structure schematic diagram;

Fig. 2 is expression the utility model function governor motion structure principle chart;

Fig. 3 is expression the utility model function governor motion vertical view;

Fig. 4 is the cutaway view of obtaining along the A-A line of Fig. 3;

Fig. 5 is the cutaway view of obtaining along the B-B line of Fig. 3;

Fig. 6 is expression the utility model work feed transmission mechanism stereochemical structure schematic diagram;

Fig. 7 is that expression the utility model work feed transmission mechanism solid is in the vertical view when advancing the work feed state;

Fig. 8 is that expression the utility model work feed transmission mechanism solid is in the vertical view when falling back the work feed state;

Fig. 9 is expression the utility model feed dog lifting schematic diagram.

The specific embodiment

Further specify the utility model below in conjunction with drawings and Examples, the utility model shown in Fig. 1-9, comprise 1 function governor motion (1) (see figure 2), 1 function that is provided in the rotatable adjusting on the function governor motion (1) is selected knob (2), 1 is provided in the function selection knob (20) that last 1 rotation of function governor motion (1) is regulated, be provided in and merging the balancing point actuating cam sheet group of forming (8) and merging the work feed of forming on the function governor motion (1) conduct cam bit group (9) by the multi-disc cam bit by the multi-disc cam bit, balancing point transmission mechanism (10) (see figure 2) with balancing point actuating cam sheet group (8) contact matching, work feed export agency (11) with work feed conduction cam bit group (9) contact matching, promote balancing point transmission mechanism (10) and corresponding balancing point selection actuating cam (12) (see figure 2) of each cam bit in the balancing point actuating cam sheet group (8) by rotation, select actuating cam (13) (see figure 2) by the corresponding work feed of each cam bit that rotation promotion work feed export agency (11) and work feed conduct in the cam bit group (9), drive last transverse axis (3) (see figure 1) of function governor motion (1), main driving motor (16) (see figure 1) of transverse axis in the driving (3), be used to install the shank (17) of sewing needle, be provided in the feed dog (4) of shank (17) below, the needle bar mechanism (7) that is used for device shank (17), drive the work feed transmission mechanism (5) that feed dog (4) produces synchronous work feed motion, be used for the work feed displacement of the lines size of pipe limit feed dog (4) and the chute (6) of guiding cloth feeding direction and (see Fig. 1, Fig. 6), driving work feed transmission mechanism (5) makes its same chute (6) make the work feed driving cam (14) that is slidingly matched, driving feed dog (4) makes its work feed lifting push rod (15) of doing elevating movement (see Fig. 1, Fig. 6), be fixed on transverse axis (3) one ends, be used to drive the swing arm (18) of shank (17), connect needle connecting rod (19) (see figure 1) of shank (17) and swing arm (18), it is characterized in that:

Above-mentioned main driving motor (16) comes to be connected with the above-mentioned transverse axis (3) of going up by gear, above-mentioned functions governor motion (1) is equipped with above-mentioned balancing point actuating cam sheet group (8) and work feed conduction cam bit group (9), the above-mentioned balancing point actuating cam sheet group (8) that is provided on the above-mentioned functions governor motion (1) is connected by the turbine and worm structure with the above-mentioned transverse axis (3) of going up, above-mentioned balancing point actuating cam sheet group (8) is done contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned balancing point transmission mechanism (10) and is connected with balancing point transmission mechanism (10), above-mentioned balancing point selects actuating cam (12) to be connected with balancing point transmission mechanism (10) with contact block projecting surface contact matching on the balancing point transmission mechanism (10) by the cascaded surface on it, above-mentioned balancing point selects actuating cam (12) to select knob (2) to be connected by assembling axle thereon with function, above-mentioned balancing point transmission mechanism (10) is connected by straight pin and connecting rod with above-mentioned needle bar mechanism (7), shank (17) is provided on the needle bar mechanism (7) as matched in clearance by the hole on the shank face of cylinder on it and the above-mentioned needle bar mechanism (7), shank (17) is connected with last transverse axis by connecting rod, being provided in above-mentioned work feed conduction cam bit group (9) on the function governor motion (1) does contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned work feed export agency (11) and is connected with work feed export agency (11), above-mentioned work feed select actuating cam (13) by the contact block convex surface contact matching on the cascaded surface on it and the work feed export agency (11) with work feed export agency (11)) be connected, above-mentioned work feed selects actuating cam (13) to select knob (20) to be connected by assembling axle thereon with function, above-mentioned chute (6) is by axle fixed thereon, connecting rod and straight pin are connected with above-mentioned work feed export agency (11), above-mentioned work feed transmission mechanism (5) is connected by do the to lead same chute (6) that is slidingly matched of the groove surface on cylinder and the above-mentioned chute (6) of the cylinder of projection thereon, above-mentioned work feed transmission mechanism (5) is made contact matching by U profile thereon with the cam surface on the above-mentioned work feed driving cam (14) and is connected with work feed driving cam (14), above-mentioned feed dog (4) is connected with above-mentioned work feed transmission mechanism (6) with circular hole matched in clearance on the above-mentioned work feed transmission mechanism (6) by the cylinder cylinder on it, feed dog (4) is by cylinder bottom face and inclined-plane on the work feed lifting push rod (15) and coupled cascaded surface contact matching on it, and the circular hole that work feed lifting push rod (15) passes through on it is connected with work feed driving cam (14) with protruding column cylinder matched in clearance on the work feed driving cam (14);

Running of the present utility model is as follows:

After the turn-on current, main driving motor (16) rotates its rotation for transmission of power last transverse axis (3) by gear, last transverse axis (3) is given balancing point actuating cam sheet group (8) and the work feed conduction cam bit group (9) that is provided on the function governor motion (1) transmission of power by the turbine and worm structure, balancing point actuating cam sheet group (8) (is seen Fig. 2 by making it make reciprocally swinging for balancing point transmission mechanism (10) to transmission of power, Fig. 3, Fig. 4), balancing point transmission mechanism (10) is by making it make reciprocally swinging for the transmission of power of swing needle bar mechanism (7) with being connected of needle bar mechanism (7), needle bar mechanism (7) drives shank (17) again and does reciprocally swinging, simultaneously, drive shank (17) in the connection of last transverse axis (3) by swing arm fixed thereon (18) and needle connecting rod (19) and pump along the hole axial direction on the needle bar mechanism (7), the reciprocally swinging of having realized shank with move up and down;

In addition, last transverse axis (3) is given the work feed conduction that is provided on the function governor motion (1) cam bit group (9) transmission of power simultaneously by the turbine and worm structure, work feed conduction cam bit group (9) is by making its swing (see Fig. 2 for transmission of power work feed export agency (11) with the contact chip contact matching that is provided on the above-mentioned work feed export agency (11), Fig. 3, Fig. 5), chute (6) is by axle fixed thereon, connecting rod and straight pin connect work feed export agency (11) and (see Fig. 1 at the transmission lower swing of work feed export agency (11), Fig. 6), last transverse axis (3) (sees Fig. 1 for transmission of power work feed driving cam (14) by gear train, Fig. 6), work feed driving cam (14) drives work feed transmission mechanism (6) and (sees Fig. 7 along the slip of the work of the groove direction on the chute (6) guiding, Fig. 8), work feed transmission mechanism (6) promotes feed dog (4) reciprocally swinging again and (sees Fig. 6, Fig. 7, Fig. 8), work feed driving cam (14) drives work feed lifting push rod (15) and moves reciprocatingly, and work feed lifting push rod (15) promotes feed dog (4) and does elevating movement; Feed dog (4) reciprocally swinging and elevating movement synthesize the motion of Sewing machines work feed; The above-mentioned balancing point that is provided on the function governor motion (1) selects actuating cam (12) to select knob (2) to be connected by assembling axle thereon with function, select knob (2) to make contact chip and each cam bit conversion of contact matching realization balancing point type respectively on the balancing point actuating cam sheet group (8) on the above-mentioned balancing point transmission mechanism (10) by the manual spinfunction of different angles, above-mentioned work feed selects actuating cam (13) to select knob (20) to be connected by assembling axle thereon with function, select knob (20) to make work feed export agency (11) and each cam bit difference contact matching on the above-mentioned work feed conduction cam bit group (9) realize the conversion of work feed type by the manual spinfunction of different angles, the various combination of the conversion by realizing the balancing point type and the conversion of work feed type, the multiple stitching of output sewing.

Claims

1. novel sewing machine, be provided with 1 function governor motion (1), be provided on the function governor motion (1), by with transmission that corresponding transmission mechanism cooperates make shank in the sewing process along the balancing point actuating cam sheet group (8) that swings back and forth of the angular displacement of exporting multiple different sizes perpendicular to cloth feeding direction with by cooperates transmission to make feed dog (4) output multiple different big or small with corresponding transmission mechanism, move back the work feed conduction cam bit group (9) of the work feed action of work feed displacement of the lines when the time advances, 1 last transverse axis (3) that drives the function governor motion, the main driving motor (16) of transverse axis in 1 driving, 1 feed dog (4) that is provided in shank (17) below, 1 drives the work feed transmission mechanism (5) that feed dog (4) produces synchronous work feed motion, 1 chute (6) that is used to transmit feed dog (4) displacement of the lines size of work feed advance and retreat when work feed synchronously, 1 work feed driving cam (14) that is used to drive work feed transmission mechanism (5), drive the work feed lifting push rod (15) of feed dog (4), 1 needle bar mechanism (7) that is equipped with shank (17); It is characterized in that: above-mentioned main driving motor (16) is given last transverse axis (3) transmission of power by relevant transmission mechanism, last transverse axis (3) is given the balancing point actuating cam sheet group (8) that is provided on the function governor motion (1) transmission of power by relevant transmission mechanism, balancing point actuating cam sheet group (8) is given needle bar mechanism (7) transmission of power by relevant transmission mechanism, last transverse axis (3) is given the work feed conduction that is provided on the function governor motion (1) cam bit group (9) transmission of power by relevant transmission mechanism, work feed conduction cam bit group (9) is given chute (6) transmission of power by relevant transmission mechanism, chute (6) is connected with work feed transmission mechanism (5) by groove thereon, and work feed driving cam (14) is connected with work feed transmission mechanism (5) transmission of power to work feed transmission mechanism (5) by eccentric wheel thereon.

2. a kind of novel sewing machine as claimed in claim 1, the function that 1 rotatable adjusting is set on function governor motion (1) is selected knob (2), 1 function selection knob (20) that rotation is regulated, the balancing point actuating cam sheet group of forming by the multi-disc cam bit (8), the work feed of being made up of the multi-disc cam bit conducts cam bit group (9), balancing point transmission mechanism (10) with balancing point actuating cam sheet group (8) contact matching, the work feed export agency (11) that cooperates with work feed conduction cam bit set of contact, promote balancing point transmission mechanism (10) and the corresponding balancing point selection actuating cam (12) of each cam bit in the balancing point actuating cam sheet group (8) by rotation, select actuating cam (13) by the corresponding work feed of each cam bit that rotation promotion work feed export agency (11) and work feed conduct in the cam bit group (9); It is characterized in that: balancing point actuating cam sheet group (8) is done contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned balancing point transmission mechanism (10) and is connected with balancing point transmission mechanism (10), above-mentioned balancing point selects actuating cam (12) to be connected with balancing point transmission mechanism (10) with contact block projecting surface contact matching on the balancing point transmission mechanism (10) by the cascaded surface on it, above-mentioned balancing point selects actuating cam (12) to select knob (2) to be connected by assembling axle thereon with function, above-mentioned work feed conduction cam bit group (9) is done contact matching by the male and fomale(M﹠F) on the cam bit periphery thereon with the contact chip on the above-mentioned work feed export agency (11) and is connected with work feed export agency (11), above-mentioned work feed select actuating cam (13) by the contact block convex surface contact matching on the cascaded surface on it and the work feed export agency (11) with work feed export agency (11)) is connected, above-mentioned work feed selects actuating cam (13) by assembling spool being connected with function selection knob (20) thereon.

3. a kind of novel sewing machine as claimed in claim 1, function governor motion (1) makes it make reciprocally swinging for needle bar mechanism (7) transferring power by the balancing point transmission mechanism (10) that sets thereon with being connected of needle bar mechanism (7), and needle bar mechanism (7) drives shank (17) again and does reciprocally swinging.

4. a kind of novel sewing machine as claimed in claim 1, function governor motion (1) by axle, connecting rod and the straight pin that sets work feed export agency (11) thereon and be fixed on chute (6) connect cooperate down with chute (6) be connected to come transferring power to chute (6), make chute (6) reciprocally swinging.

5. a kind of novel sewing machine as claimed in claim 1, work feed driving cam (14) is done the guiding slip by driving work feed transmission mechanism (6) along the groove direction on the chute (6), makes feed dog (4) reciprocally swinging that cooperates with work feed transmission mechanism (6).

6. a kind of novel sewing machine as claimed in claim 1, work feed driving cam (14) moves reciprocatingly by driving work feed lifting push rod (15), makes the feed dog (4) that cooperates with work feed lifting push rod (15) do elevating movement.