CN111778647A - Belt transmission type liftable presser foot mechanism - Google Patents
Belt transmission type liftable presser foot mechanism Download PDFInfo
- Publication number
- CN111778647A CN111778647A CN202010517315.9A CN202010517315A CN111778647A CN 111778647 A CN111778647 A CN 111778647A CN 202010517315 A CN202010517315 A CN 202010517315A CN 111778647 A CN111778647 A CN 111778647A
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- China
- Prior art keywords
- presser foot
- belt
- fixed
- driving shaft
- driver
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
- D05C9/20—Movement of the base fabric controlled by the presser feet; Driving arrangements therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a belt transmission type liftable presser foot mechanism, which comprises a presser foot driving assembly, a belt transmission assembly, a closed loop motor and a needle bar presser foot assembly, wherein the presser foot driving assembly comprises a presser foot driving shaft and a presser foot driver, the presser foot driving shaft is vertically fixed in a machine shell of a machine head and is parallel to a driving shaft, the presser foot driver is fixed on the presser foot driving shaft and the driving shaft in a sliding manner, the closed loop motor is fixed in the machine shell and drives a belt in the belt transmission assembly to rotate, the presser foot driver is connected with the belt and driven by the belt to move up and down along the presser foot driving shaft and the driving shaft, the needle bar presser foot assembly is detachably fixed with the presser foot driver, the needle bar presser foot assembly can be quickly adjusted to move up and down to any proper position according to the requirements of different, the adjusting precision is high, and the maintenance is simple.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of embroidery machines, in particular to the technical field of a belt transmission type liftable presser foot mechanism.
[ background of the invention ]
The presser foot mechanism of traditional embroidery machine is that the up-and-down motion of presser foot up-and-down motion's orbit realizes the up-and-down motion of presser foot through fixed cam curve, if realize that different surface fabric thickness need manual go to adjust the presser foot height of every aircraft nose, and is inefficient, and the presser foot mainly is pushed down fixedly through the presser foot spring in addition, and is generally unsatisfactory to embroidering thick material effect.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a belt transmission type liftable presser foot mechanism which is simple in overall structure, light in load, high in transmission efficiency, high in adjustment precision and simple to maintain.
In order to achieve the purpose, the invention provides a belt transmission type liftable presser foot mechanism which comprises a presser foot driving assembly, a belt transmission assembly, a closed loop motor and a needle bar presser foot assembly, wherein the presser foot driving assembly comprises a presser foot driving shaft and a presser foot driver, the presser foot driving shaft is vertically fixed in a machine shell of a machine head and is parallel to a driving shaft, the presser foot driver is fixed on the presser foot driving shaft and the driving shaft in a sliding mode, the closed loop motor is fixed in the machine shell and drives a belt in the belt transmission assembly to rotate, the presser foot driver is connected with the belt and is driven by the belt to move up and down along the presser foot driving shaft and the driving shaft, and the needle bar presser foot assembly.
Preferably, the presser foot drive assembly further comprises a pressure plate which is detachably fixed on one side of the presser foot driver and used for pressing and fixing the belt on the outer wall of the presser foot driver.
Preferably, one side of the pressure plate close to the presser foot driver is provided with a plurality of grooves.
Preferably, the belt transmission assembly comprises a driven pulley fixing pin, a transmission mechanism support, a belt, a driving pulley and a transmission pulley, the transmission mechanism support is fixed in the casing, the driving pulley is located in an opening of the transmission mechanism support and connected with an output shaft of the closed-loop motor, a plurality of driven pulley fixing pins are respectively fixed on the same side of the transmission mechanism support, the transmission pulleys are respectively and rotatably fixed on the driven pulley fixing pin through bearings, at least two transmission pulleys are located on the same vertical line parallel to the presser foot driving shaft, and the belt is sleeved outside the driving pulley and the transmission pulley.
Preferably, the needle bar presser foot assembly comprises a presser foot fixing shaft, a presser foot positioning block and a presser foot body, the presser foot fixing shaft is arranged in the shaft hole of the frame body of the needle bar frame in a vertically sliding mode and is parallel to the presser foot driving shaft, the presser foot positioning block is fixed at the upper end of the presser foot fixing shaft, the presser foot positioning block is connected with the presser foot driver in a clamping mode, and the presser foot body is fixed at the bottom end of the presser foot fixing shaft.
Preferably, the side face of the presser foot positioning block is provided with a sliding sleeve, an embroidery needle assembly is vertically arranged in the needle bar frame, a needle bar of the embroidery needle assembly is parallel to the presser foot fixing shaft, and the sliding sleeve is fixed on the needle bar in a sliding manner.
Preferably, the outer wall of the presser foot driver is provided with a clamping plate, the outer wall of the presser foot positioning block is provided with a clamping block, and the clamping block is clamped and fixed with the clamping plate.
The invention has the beneficial effects that: according to the invention, the closed-loop motor drives the belt in the belt transmission assembly to rotate, so that the presser foot driver fixed on the vertical belt section moves up and down along the driving shaft and the presser foot driving shaft, and the needle rod presser foot assembly can be quickly adjusted to move up and down to any suitable position according to the requirements of different embroidery products; the belt is pressed and fixed on the outer wall of the presser foot driver by arranging the pressing plate with the groove, so that the installation is simple and convenient, the stability is good, and the belt is not easy to slip; the height of the presser foot body is effectively positioned by arranging the presser foot positioning block; through set up the sliding sleeve on the presser foot locating piece, make its in-process of up-and-down motion, can slide from top to bottom along the needle bar, improve the stability of motion.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a handpiece with a presser foot drive assembly, a belt drive assembly and a closed loop motor installed;
FIG. 2 is a right side view of the head with the presser foot drive assembly, belt drive assembly and closed loop motor installed;
FIG. 3 is an exploded schematic view of a handpiece equipped with a presser foot drive assembly, a belt drive assembly and a closed loop motor;
FIG. 4 is a perspective view of the needle bar frame with the needle bar presser foot assembly mounted thereto;
FIG. 5 is a perspective view of the needle bar presser foot assembly;
FIG. 6 is an exploded view of the needle bar presser foot assembly
In the figure: 1-machine head, 11-machine shell, 12-driving shaft, 13-presser foot driving component, 131-presser foot driving shaft, 132-presser foot driver, 1321-clamping plate, 133-pressing plate, 1331-groove, 14-belt transmission component, 141-driven pulley fixing pin, 142-transmission mechanism support, 1421-opening, 143-belt, 144-driving pulley, 145-transmission pulley, 15-closed loop motor, 16-needle bar presser foot component, 161-presser foot fixing shaft, 162-presser foot positioning block, 1621-sliding sleeve, 1622-clamping block, 163-presser foot body, 2-needle bar frame, 21-frame body, 211-shaft hole, 22-embroidery needle component and 221-needle bar.
[ detailed description ] embodiments
Referring to fig. 1 to 6, the belt transmission type liftable presser foot mechanism of the present invention includes a presser foot driving assembly 13, a belt transmission assembly 14, a closed loop motor 15 and a needle bar presser foot assembly 16, wherein the presser foot driving assembly 13 includes a presser foot driving shaft 131 and a presser foot driver 132, the presser foot driving shaft 131 is vertically fixed in the machine case 11 of the machine head 1 and is parallel to the driving shaft 12, the presser foot driver 132 is slidably fixed on the presser foot driving shaft 131 and the driving shaft 12, the closed loop motor 15 is fixed in the machine case 11 and drives the belt 143 in the belt transmission assembly 14 to rotate, the presser foot driver 132 is connected with the belt 143 and is driven by the belt 143 to move up and down along the presser foot driving shaft 131 and the driving shaft 12, and the needle bar presser foot assembly 16 and the presser foot driver.
The presser foot drive assembly 13 further includes a pressing plate 133, and the pressing plate 133 is detachably fixed to one side of the presser foot driver 132 and press-fixes the belt 143 to the outer wall of the presser foot driver 132.
The pressing plate 133 has a plurality of grooves 1331 on a side thereof adjacent to the presser foot actuator 132.
The belt transmission assembly 14 includes a driven pulley fixing pin 141, a transmission mechanism support 142, a belt 143, a driving pulley 144 and a transmission pulley 145, the transmission mechanism support 142 is fixed in the casing 11, the driving pulley 144 is located in the opening 1421 of the transmission mechanism support 142 and connected to the output shaft of the closed-loop motor 15, the driven pulley fixing pins 141 are respectively fixed on the same side of the transmission mechanism support 142, the transmission pulleys 145 are respectively rotatably fixed on the driven pulley fixing pins 141 through bearings, at least two of the transmission pulleys 145 are located on the same vertical line parallel to the presser foot driving shaft 131, and the belt 143 is sleeved outside the driving pulley 144 and the transmission pulley 145.
The needle bar presser foot assembly 16 includes a presser foot fixing shaft 161, a presser foot positioning block 162 and a presser foot body 163, the presser foot fixing shaft 161 is vertically slidably disposed in the shaft hole 211 of the frame body 21 of the needle bar frame 2 and is parallel to the presser foot driving shaft 131, the presser foot positioning block 162 is fixed to the upper end of the presser foot fixing shaft 161, the presser foot positioning block 162 is engaged with the presser foot driver 132, and the presser foot body 163 is fixed to the bottom end of the presser foot fixing shaft 161.
The side of the presser foot positioning block 162 is provided with a sliding sleeve 1621, the needle bar frame 2 is vertically provided with an embroidery needle assembly 22, the needle bar 221 of the embroidery needle assembly 22 is parallel to the presser foot fixing shaft 161, and the sliding sleeve 1621 is fixed on the needle bar 221 in a sliding manner.
A clamping plate 1321 is arranged on the outer wall of the presser foot driver 132, a clamping block 1622 is arranged on the outer wall of the presser foot positioning block 162, and the clamping block 1622 is fixedly clamped with the clamping plate 1321
The working process of the invention is as follows:
in operation, the closed-loop motor 15 drives the driving pulley 144 to rotate via the output shaft, thereby driving the belt 143 and the driving pulley 145 to rotate. A length of vertically disposed belt 143 between the two driving pulleys 145 drives the presser foot driver 132 fixed thereon to move up and down along the driving shaft 12 and the presser foot driving shaft 131, so that the presser foot positioning block 162 drives the presser foot body 163 located at the bottom end of the presser foot fixing shaft 161 to move up and down to a desired position, thereby realizing rapid adjustment of the height of the presser foot body 163.
According to the invention, the closed-loop motor drives the belt in the belt transmission assembly to rotate, so that the presser foot driver fixed on the vertical belt section moves up and down along the driving shaft and the presser foot driving shaft, and the needle rod presser foot assembly can be quickly adjusted to move up and down to any suitable position according to the requirements of different embroidery products; the belt is pressed and fixed on the outer wall of the presser foot driver by arranging the pressing plate with the groove, so that the installation is simple and convenient, the stability is good, and the belt is not easy to slip; the height of the presser foot body is effectively positioned by arranging the presser foot positioning block; through set up the sliding sleeve on the presser foot locating piece, make its in-process of up-and-down motion, can slide from top to bottom along the needle bar, improve the stability of motion.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a belt drive type liftable presser foot mechanism which characterized in that: comprises a presser foot driving component (13), a belt transmission component (14), a closed loop motor (15) and a needle bar presser foot component (16), the presser foot drive assembly (13) comprises a presser foot drive shaft (131) and a presser foot driver (132), the presser foot driving shaft (131) is vertically fixed in the machine shell (11) of the machine head (1) and is parallel to the driving shaft (12), the presser foot driver (132) is fixed on the presser foot driving shaft (131) and the driving shaft (12) in a sliding way, the closed loop motor (15) is fixed in the machine shell (11) and drives a belt (143) in the belt transmission component (14) to rotate, the presser foot driver (132) is connected with the belt (143) and driven by the belt (143) to move up and down along the presser foot driving shaft (131) and the driving shaft (12), the needle bar presser foot assembly (16) is detachably fixed with the presser foot driver (132).
2. The belt-driven liftable presser foot mechanism of claim 1, wherein: the presser foot driving assembly (13) further comprises a pressing plate (133), and the pressing plate (133) is detachably fixed on one side of the presser foot driver (132) and used for pressing and fixing the belt (143) on the outer wall of the presser foot driver (132).
3. The belt-driven liftable presser foot mechanism of claim 2, wherein: a plurality of grooves (1331) are arranged on one side of the pressure plate (133) close to the presser foot driver (132).
4. The belt-driven liftable presser foot mechanism of claim 1, wherein: the belt transmission assembly (14) comprises driven pulley fixing pins (141), a transmission mechanism support (142), a belt (143), a driving pulley (144) and a transmission pulley (145), the transmission mechanism support (142) is fixed in the machine shell (11), the driving pulley (144) is located in an opening (1421) of the transmission mechanism support (142) and is connected with an output shaft of the closed-loop motor (15), a plurality of driven pulley fixing pins (141) are respectively fixed on the same side of the transmission mechanism support (142), a plurality of transmission pulleys (145) are respectively fixed on the driven pulley fixing pins (141) in a rotatable mode through bearings, at least two transmission pulleys (145) are located on the same vertical line parallel to the presser foot driving shaft (131), and the belt (143) is sleeved outside the driving pulley (144) and the transmission pulleys (145).
5. The belt-driven liftable presser foot mechanism of claim 1, wherein: the needle bar presser foot component (16) comprises a presser foot fixing shaft (161), a presser foot positioning block (162) and a presser foot body (163), the presser foot fixing shaft (161) is arranged in a shaft hole (211) of a frame body (21) of the needle bar frame (2) in a vertically sliding mode and is parallel to a presser foot driving shaft (131), the presser foot positioning block (162) is fixed to the upper end of the presser foot fixing shaft (161), the presser foot positioning block (162) is connected with a presser foot driver (132) in a clamping mode, and the presser foot body (163) is fixed to the bottom end of the presser foot fixing shaft (161).
6. The belt drive type liftable presser foot mechanism of claim 5, wherein: the side of the presser foot positioning block (162) is provided with a sliding sleeve (1621), an embroidery needle assembly (22) is vertically arranged in the needle bar frame (2), a needle bar (221) of the embroidery needle assembly (22) is parallel to the presser foot fixing shaft (161), and the sliding sleeve (1621) is fixed on the needle bar (221) in a sliding manner.
7. The belt drive type liftable presser foot mechanism of claim 5, wherein: the outer wall of the presser foot driver (132) is provided with a clamping plate (1321), the outer wall of the presser foot positioning block (162) is provided with a clamping block (1622), and the clamping block (1622) is clamped and fixed with the clamping plate (1321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517315.9A CN111778647A (en) | 2020-06-09 | 2020-06-09 | Belt transmission type liftable presser foot mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010517315.9A CN111778647A (en) | 2020-06-09 | 2020-06-09 | Belt transmission type liftable presser foot mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111778647A true CN111778647A (en) | 2020-10-16 |
Family
ID=72753337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010517315.9A Pending CN111778647A (en) | 2020-06-09 | 2020-06-09 | Belt transmission type liftable presser foot mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111778647A (en) |
-
2020
- 2020-06-09 CN CN202010517315.9A patent/CN111778647A/en active Pending
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