CN210314787U - Independent presser foot mechanism - Google Patents
Independent presser foot mechanism Download PDFInfo
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- CN210314787U CN210314787U CN201822274795.1U CN201822274795U CN210314787U CN 210314787 U CN210314787 U CN 210314787U CN 201822274795 U CN201822274795 U CN 201822274795U CN 210314787 U CN210314787 U CN 210314787U
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- presser foot
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- lifting block
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Abstract
The utility model relates to an embroidery machine technical field, especially concretely relates to independent presser foot mechanism. The automatic presser foot lifting mechanism comprises a machine head, be equipped with the presser foot subassembly on the aircraft nose, the presser foot axle of presser foot subassembly links to each other with the presser foot lifting block, the presser foot lifting block that wears to be equipped with vertical setting on the presser foot lifting block keeps the axle, the cover is equipped with and is located presser foot lifting block both sides and is the concave promotion holder on the presser foot lifting block keeps the epaxial cover and is equipped with and is located the pressure spring who promotes between holder upper end and the lower extreme, it can drive the actuating mechanism who promotes the holder along presser foot lifting block holding shaft axial reciprocating motion to be connected with on the promotion holder, still be equipped with the presser foot camshaft of horizontal setting on the aircraft nose, be equipped with the presser foot cam on the presser foot camshaft, presser foot cam one. Compared with the prior art, the independent presser foot mechanism has the advantages that: reasonable in design, presser foot convenient to use.
Description
Technical Field
The utility model relates to an embroidery machine technical field, especially concretely relates to independent presser foot mechanism.
Background
The embroidery machine can realize high speed and high efficiency of the traditional manual embroidery, and can also realize the requirements of multilayer, multifunction, uniformity and perfectness which can not be achieved by the manual embroidery. However, the existing embroidery machine has the technical problems that the presser foot is not convenient to use, and the equipment is easy to damage.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a reasonable in design, presser foot convenient independent presser foot mechanism of use.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the independent presser foot mechanism comprises a machine head and is characterized in that a presser foot component is arranged on the machine head, a presser foot shaft of the presser foot component is connected with a presser foot lifting block, a presser foot lifting block retaining shaft which is vertically arranged is arranged on the presser foot lifting block in a penetrating way, the presser foot lifting block holding shaft is sleeved with a lifting holding frame which is positioned at two sides of the presser foot lifting block and is concave, a pressing spring between the upper end and the lower end of the lifting retainer is sleeved on the holding shaft of the presser foot lifting block, the lifting retainer is connected with a driving mechanism which can drive the lifting retainer to axially reciprocate along a presser foot lifting block retaining shaft, the machine head is also provided with a presser foot cam shaft which is transversely arranged, the pressure foot cam shaft is provided with a pressure foot cam, one side of the pressure foot cam is provided with a driving bearing, and the driving bearing is connected with the lifting retainer through a swing connecting mechanism.
In the independent presser foot mechanism, the swing connecting mechanism comprises a swing rod, the driving bearing is fixed on the swing rod through a positioning pin, one end of the swing rod is hinged to the machine head, the other end of the swing rod is connected with the lifting retainer through a small connecting rod, and the driving bearing is located between the two ends of the swing rod.
In the independent presser foot mechanism, the driving bearing is arranged at one end of the oscillating bar close to the small connecting rod.
In the independent presser foot mechanism, the other end of the oscillating bar is hinged with the machine head through a pin shaft, the pin shaft is provided with a small shaft section penetrating through the pin shaft, the small shaft section is provided with a positioning ring, and the small shaft section is further provided with a clamping sleeve positioned at the outer end of the positioning ring.
In the independent presser foot mechanism, the driving mechanism comprises a driving motor, a driving shaft of the driving motor is connected with a main shaft through a gear box, an eccentric wheel is sleeved on the main shaft and connected with a lifting retainer through a lifting connecting rod, one end of the lifting connecting rod is hinged at the eccentric wheel deviated center, and the other end of the lifting connecting rod is hinged on the upper end part of the lifting retainer.
In the independent presser foot mechanism, a presser foot cam shaft transmission assembly is connected to the presser foot cam shaft.
In the independent presser foot mechanism, the presser foot camshaft transmission assembly comprises a transmission case body, a first belt wheel and a second belt wheel are arranged in the transmission case body, the first belt wheel and the second belt wheel are connected through a synchronous belt, the presser foot camshaft penetrates through the first belt wheel, and the upper shaft penetrates through the second belt wheel.
In the independent presser foot mechanism, an eccentric tension pulley positioned between the first belt pulley and the second belt pulley is further arranged in the transmission case body, and the eccentric tension pulley is connected with the transmission case body through a tension pulley shaft.
In the independent presser foot mechanism, the presser foot lifting block holding shaft is arranged in a through hole on the presser foot lifting block in a penetrating manner, a wear-resistant guide sleeve is arranged in the through hole, and the lower end of the compression spring is sleeved on the wear-resistant guide sleeve.
In the independent presser foot mechanism, the presser foot component comprises a presser foot fixing block, two presser feet are detachably fixed on the presser foot fixing block, and the lower end of the presser foot shaft is fixed on the presser foot fixing block.
Compared with the prior art, the independent presser foot mechanism has the advantages that: 1. reasonable in design, presser foot convenient to use. 2. The presser foot is independently controlled, the load of the main shaft is reduced, the working stroke of the presser foot is reduced, the stress of a spring of the presser foot is reduced, the inertia impact due to large stroke is reduced, the structural reliability is high, and the service life is effectively prolonged. 3. The lifting time of the presser foot is controllable in the whole process, and the cloth replacement is not influenced by the lifting of the presser foot.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention.
Fig. 2 is a schematic diagram of a local explosion structure provided by the present invention.
Fig. 3 is a schematic diagram of a partial explosion structure of the foot camshaft drive assembly provided by the present invention.
Fig. 4 is a schematic structural view illustrating the non-operating state of the presser foot lifted according to the present invention.
Fig. 5 is a schematic structural view of the working state of the presser foot after falling down.
In the figure, a machine head 1, a presser foot assembly 2, a presser foot shaft 21, a presser foot lifting block 3, a presser foot lifting block holding shaft 31, a lifting holder 32, a pressing spring 33, a driving mechanism 4, a presser foot cam shaft 5, a presser foot cam 51, a driving bearing 6, a swing connecting mechanism 7, a swing rod 71, a positioning pin 72, a small connecting rod 73, a pin shaft 74, a positioning ring 741, a clamping sleeve 742, a driving motor 41, a gear box 42, a main shaft 43, an eccentric wheel 44, a lifting connecting rod 45, a presser foot cam shaft transmission assembly 8, a transmission box body 81, a first belt wheel 82, a second belt wheel 83, a synchronous belt 84, an upper shaft 85, an eccentric tension wheel 86, a tension wheel shaft 87, a bearing 88, a through hole 34, a wear-resistant guide.
Detailed Description
As shown in fig. 1-5, the independent presser foot mechanism comprises a machine head 1, a presser foot component 2 is arranged on the machine head 1, a presser foot shaft 21 of the presser foot component 2 is connected with a presser foot lifting block 3, a vertically arranged presser foot lifting block retaining shaft 31 penetrates through the presser foot lifting block 3, a lifting retainer 32 which is positioned at two sides of the presser foot lifting block 3 and is concave is sleeved on the presser foot lifting block retaining shaft 31, the presser foot lifting block retaining shaft 31 is fixed on the machine head 1, a pressing spring 33 which is positioned between the upper end and the lower end of the lifting retainer 32 is sleeved on the presser foot lifting block retaining shaft 31, a driving mechanism 4 which can drive the lifting retainer 32 to reciprocate along the axial direction of the presser foot lifting block retaining shaft 31 is connected on the lifting retainer 32, a presser foot camshaft 5 which is transversely arranged is also arranged on the machine head 1, a presser foot cam 51 is arranged on the presser, the drive bearing 6 is connected to the lifting cage 32 by means of a swivel connection 7.
More specifically, the swing connecting mechanism 7 comprises a swing rod 71, the driving bearing 6 is fixed on the swing rod 71 through a positioning pin 72, one end of the swing rod 71 is hinged on the machine head 1, the other end of the swing rod 71 is connected with the lifting retainer 32 through a small connecting rod 73, and the driving bearing 6 is positioned between the two ends of the swing rod 71; the driving bearing 6 is arranged at one end of the oscillating bar 71 close to the small connecting rod 73; the other end of the swing rod 71 is hinged with the machine head 1 through a pin 74, the pin 74 is provided with a small shaft section 743 penetrating the pin 74, the small shaft section 743 is provided with a positioning ring 741, and the small shaft section 743 is further provided with a clamping sleeve 742 positioned at the outer end of the positioning ring 741.
The driving mechanism 4 comprises a driving motor 41, the driving motor 41 is a stepping motor, a driving shaft of the driving motor 41 is connected with a main shaft 43 through a gear box 42, an eccentric wheel 44 is sleeved on the main shaft 43, the eccentric wheel 44 is connected with the lifting retainer 32 through a lifting connecting rod 45, one end of the lifting connecting rod 45 is hinged at the eccentric wheel 44 deviated from the center, and the other end of the lifting connecting rod 45 is hinged on the upper end part of the lifting retainer 32; the presser foot camshaft 5 is connected with a presser foot camshaft transmission assembly 8; the presser foot camshaft transmission assembly 8 comprises a transmission box body 81, a first belt wheel 82 and a second belt wheel 83 are arranged in the transmission box body 81, the first belt wheel 82 and the second belt wheel 83 are connected through a synchronous belt 84, the presser foot camshaft 5 penetrates through the first belt wheel 82, and an upper shaft 85 penetrates through the second belt wheel 83; an eccentric tension pulley 86 positioned between the first belt pulley 82 and the second belt pulley 83 is also arranged in the transmission case body 81, and the eccentric tension pulley 86 is connected with the transmission case body 81 through a tension pulley shaft 87; the presser foot camshaft 5 and the upper shaft 85 are both sleeved with two bearings 88 which are respectively arranged at two sides of the transmission case 81.
The presser foot lifting block retaining shaft 31 is arranged in a through hole 34 on the presser foot lifting block 3 in a penetrating way, a wear-resistant guide sleeve 35 is arranged in the through hole 34, and the lower end of the compression spring 33 is sleeved on the wear-resistant guide sleeve 35; the presser foot assembly 2 comprises a presser foot fixing block 22, two presser feet 23 are detachably fixed on the presser foot fixing block 22, and the lower end of a presser foot shaft 21 is fixed on the presser foot fixing block 22.
Two states are distinguished, a presser foot working state and a lifting back non-working state:
a. when the whole machine does not work, the driving motor 41 receives signals to drive the main shaft 43, the eccentric wheel 44 rotates, the lifting retainer 32 is lifted through the lifting connecting rod 45, the pressing spring 33 rebounds, the upper end face in the lifting retainer 32 is contacted with the lower end face of the presser foot lifting block 45, the pressing spring 33 and the presser foot lifting block 45 are lifted, the presser foot lifting block 45 can drive the small connecting rod 73 to lift the swing rod 71, and therefore the driving bearing 6 and the presser foot cam 51 are separated. The distance between the presser foot 23 and the table top is increased after the presser foot assembly 2 is lifted, so that cloth is convenient to replace.
b. When the device works, a stepping receiving signal drives the main shaft 43, the eccentric wheel 44 rotates to a certain angle, the driving bearing 6 is in tangential contact with the curved surface of the presser foot cam 51, the eccentric wheel 44 continues to rotate, the pressing spring 33 compresses, the upper end surface in the lifting retainer 32 is separated from the lower end surface of the presser foot lifting block 45 by a certain distance, and therefore the pressing force of the pressing spring 33 is adjusted, and the curved surfaces of the driving bearing 6 and the presser foot cam 51 are ensured to be in tangential contact and not separated all the time when the device works; the presser foot camshaft 5 rotates to drive the presser foot to move up and down.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms head 1, presser foot assembly 2, presser foot shaft 21, presser foot lifting block 3, presser foot lifting block holding shaft 31, lifting holder 32, hold-down spring 33, driving mechanism 4, presser foot cam shaft 5, presser foot cam 51, driving bearing 6, swing link mechanism 7, swing link 71, positioning pin 72, small link 73, pin 74, positioning ring 741, clamp sleeve 742, driving motor 41, gear box 42, main shaft 43, eccentric wheel 44, lifting link 45, presser foot cam shaft transmission assembly 8, transmission case 81, first pulley 82, second pulley 83, timing belt 84, upper shaft 85, eccentric tension pulley 86, tension wheel shaft 87, bearing 88, through hole 34, wear-resistant guide sleeve 35, presser foot fixing block 22, presser foot 23, etc., are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. An independent presser foot mechanism comprises a machine head (1) and is characterized in that a presser foot component (2) is arranged on the machine head (1), a presser foot shaft (21) of the presser foot component (2) is connected with a presser foot lifting block (3), a presser foot lifting block retaining shaft (31) which is vertically arranged is arranged on the presser foot lifting block (3) in a penetrating mode, lifting retainers (32) which are positioned at two sides of the presser foot lifting block (3) in a concave mode are sleeved on the presser foot lifting block retaining shaft (31), a pressing spring (33) which is positioned between the upper end and the lower end of the lifting retainers (32) is sleeved on the presser foot lifting block retaining shaft (31), a driving mechanism (4) which can drive the lifting retainers (32) to axially reciprocate along the presser foot lifting block retaining shaft (31) is connected onto the lifting retainers (32), and a presser foot cam shaft (5) which is transversely arranged is further arranged on the machine head (1), the pressure foot cam shaft (5) is provided with a pressure foot cam (51), one side of the pressure foot cam (51) is provided with a driving bearing (6), and the driving bearing (6) is connected with the lifting retainer (32) through a swing connecting mechanism (7).
2. The independent presser foot mechanism according to claim 1, wherein the swing connecting mechanism (7) comprises a swing link (71), the driving bearing (6) is fixed on the swing link (71) through a positioning pin (72), one end of the swing link (71) is hinged on the machine head (1), the other end of the swing link (71) is connected with the lifting holder (32) through a small connecting rod (73), and the driving bearing (6) is positioned between two ends of the swing link (71).
3. The independent presser foot mechanism according to claim 2, wherein the drive bearing (6) is provided at an end of the swing link (71) proximate to the small link (73).
4. The independent presser foot mechanism according to claim 2, wherein the other end of the swing rod (71) is hinged to the machine head (1) through a pin (74), the pin (74) is provided with a small shaft section (743) penetrating the pin (74), the small shaft section (743) is provided with a positioning ring (741), and the small shaft section (743) is further provided with a clamping sleeve (742) positioned at the outer end of the positioning ring (741).
5. Independent presser foot mechanism according to claim 1 or 2 or 3 or 4, wherein said drive mechanism (4) comprises a drive motor (41), said drive motor (41) driving a shaft connected to a main shaft (43) through a gear box (42), said main shaft (43) being sleeved with an eccentric wheel (44), said eccentric wheel (44) being connected to the lifting holder (32) through a lifting link (45), said lifting link (45) being hinged at one end to the eccentric wheel (44) off-centre and at the other end to the upper end of the lifting holder (32).
6. Independent presser foot mechanism according to claim 1 or 2 or 3 or 4, wherein a presser foot camshaft drive assembly (8) is connected to said presser foot camshaft (5).
7. The independent presser foot mechanism according to claim 6, wherein the presser foot camshaft transmission assembly (8) comprises a transmission case (81), a first pulley (82) and a second pulley (83) are arranged in the transmission case (81), the first pulley (82) and the second pulley (83) are connected through a synchronous belt (84), the presser foot camshaft (5) is arranged on the first pulley (82) in a penetrating manner, and an upper shaft (85) is arranged on the second pulley (83) in a penetrating manner.
8. The independent presser foot mechanism according to claim 7, wherein an eccentric tension pulley (86) is further provided between the first pulley (82) and the second pulley (83) in the transmission case (81), and the eccentric tension pulley (86) passes through a tension pulley shaft
(87) Is connected with the transmission case body (81).
9. The independent presser foot mechanism according to claim 1, 2, 3 or 4, wherein the presser foot lift block holding shaft (31) is inserted into a through hole (34) of the presser foot lift block (3), a wear-resistant guide sleeve (35) is arranged in the through hole (34), and the lower end of the pressing spring (33) is sleeved on the wear-resistant guide sleeve (35).
10. An independent presser foot mechanism according to claim 1, 2, 3 or 4, characterized in that the presser foot assembly (2) comprises a presser foot fixing block (22), two presser feet (23) are detachably fixed on the presser foot fixing block (22), and the lower end of the presser foot shaft (21) is fixed on the presser foot fixing block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274795.1U CN210314787U (en) | 2018-12-31 | 2018-12-31 | Independent presser foot mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274795.1U CN210314787U (en) | 2018-12-31 | 2018-12-31 | Independent presser foot mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210314787U true CN210314787U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822274795.1U Active CN210314787U (en) | 2018-12-31 | 2018-12-31 | Independent presser foot mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN210314787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594244A (en) * | 2018-12-31 | 2019-04-09 | 张丁元 | Independent presser foot device |
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2018
- 2018-12-31 CN CN201822274795.1U patent/CN210314787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594244A (en) * | 2018-12-31 | 2019-04-09 | 张丁元 | Independent presser foot device |
| CN109594244B (en) * | 2018-12-31 | 2023-11-28 | 张丁元 | Independent presser foot mechanism |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220826 Address after: 311800 Jianglong village, Jiyang street, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: ZHUJI MAYA ELECTRIC APPLIANCE MACHINERY Co.,Ltd. Address before: No. 1002, Wenming Road, Keyan Street, Shaoxing County, Shaoxing City, Zhejiang Province 311800 Patentee before: Zhang Dingyuan |