Lock electromagnet assembly of embroidery machine
By using locking solenoid assembly in the embroidery machine, the drive lever swing arm prystal drive block to achieve clutch cooperation between the needle rod and the embroidery needle rod, the problem of high motor cost and difficult maintenance in the prior art is solved, and the needle jumping effect with low cost and high service life is achieved.
Patent Information
- Application Number
- CN202421424497.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-20
AI Technical Summary
In existing embroidery machines, the needle rod clutch action relies on the rotation of the motor, which leads to high cost and is difficult to repair.
The lock-head solenoid assembly is adopted, and the lever swing arm is driven to pry the drive block to rotate through the electromagnet and the magnetic core, so that the needle rod and the embroidered needle rod are clutched and cooperate to achieve the needle jump.
It reduces the cost, which is only 30% of the motor cost, and has a simple structure, simple maintenance, and a high service life, which can reach more than 10 million times.
Smart Images
Figure CN222684960U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of embroidery machines, in particular to a locking electromagnet component of an embroidery machine. Background Art
[0002] With the renewal of people's consumption concepts and the improvement of aesthetic views, in recent years, the requirements of home textile, clothing and other industries for quilting and embroidery of fabric patterns have become higher and higher, including operating performance, scope of application, production capacity, etc., and it is necessary to continuously launch embroidery processing equipment that meets the needs of market development. The needle bar mechanism is a very important component in the embroidery machine. Generally, the needle bar driver is used to drive the needle bar to move up and down to drop the needle. When the needle bar does not need to drop, the existing technology generally realizes control through a motor.
[0003] However, the clutch action of the needle bar of the embroidery machine realizes the connection and disconnection of the power between the needle bar and the needle bar driver by toggling the needle bar drive block on the needle bar driver assembly, thereby realizing the needle jumping effect. The original solution is to achieve it through the rotation of the motor, but the motor cost is very high and difficult to repair. Utility Model Content
[0004] Based on this, it is necessary to provide a locking electromagnet assembly for an embroidery machine to achieve needle jumping. The original solution is to achieve it by rotating the motor, but the motor cost is very high and difficult to repair.
[0005] To achieve the above-mentioned purpose, the utility model provides a locking electromagnet assembly of an embroidery machine, comprising: a clutch driving device arranged on a casing and a sliding rod arranged on the casing, the sliding rod is provided with a sliding seat for arranging an embroidery needle bar and a needle bar, the sliding seat is provided with a driving block which rotates in coordination with the sliding rod and slides with the sliding seat, the needle bar is arranged on the driving block, the clutch driving device comprises a supporting frame and an electromagnet arranged on the supporting frame, a magnetic core driven by the electromagnet after the electromagnet is energized, and a lever swing arm which is hinged to the supporting frame and connected to the magnetic core at one end and pries the driving block to rotate when the magnetic core is driven after the electromagnet is energized to make the needle bar and the embroidery needle bar clutch and cooperate, and a stop assembly for locking the magnetic core and the lever swing arm is provided on one side of the supporting frame.
[0006] Furthermore, the driving block is provided with a clutch rod which is parallel to the sliding rod, and when the lever swing arm swings, it pushes the clutch rod to rotate the driving block.
[0007] Furthermore, a rotating shaft is provided at the lever swing arm near one end of the magnetic core, and both ends of the rotating shaft are connected to the support frame. A buffer block in contact with the clutch rod is provided at the lever swing arm far away from the magnetic core.
[0008] Furthermore, the stopping assembly includes a locking rod connected to the magnetic core at one end and passing through the supporting frame at the other end, and a stopping plate rotatably provided on the supporting frame and used to lock the locking rod. The supporting frame is provided with a strip groove for the locking rod to move. One end of the stopping plate is provided with a hook for fastening the locking rod, and the other end is provided with a bending portion.
[0009] Furthermore, the stopper is fixed to the support frame by bolts, and a wave-shaped gasket is provided at the connection between the stopper fixed to the support frame by bolts.
[0010] Furthermore, the magnetic core is provided with a first U-shaped groove, the lever swing arm is inserted into the first U-shaped groove, and the lever swing arm inserted into the first U-shaped groove is provided with a second U-shaped groove, and the locking rod passes through the first U-shaped groove and the second U-shaped groove in sequence.
[0011] Furthermore, the support frame includes a mounting portion and a connecting portion, the mounting portion includes a side wall, and both ends of the side wall have supporting bends that are perpendicular to the side wall, one of the supporting bends has an axial connecting portion that is perpendicular to the supporting bend and parallel to the side wall, the electromagnet is installed on the other supporting bend, and the supporting bend is provided with a through hole for the magnetic core to pass through; the connecting portion is connected to the side wall and is perpendicular to the side wall, and the connecting portion is fixed to the casing.
[0012] The beneficial effects of the utility model are as follows: the electromagnet and the magnetic core cooperate to drive the lever swing arm to pry the drive block to rotate so that the needle bar and the embroidery needle bar can be clutched and coordinated to achieve the needle jumping effect, replacing the existing motor drive method, with a simple structure and low cost, which is only 30% of the motor cost, and it is easy to maintain and has a long service life of more than 10 million times. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 It is a structural schematic diagram of the clutch drive device in the utility model;
[0015] Figure 3 for Figure 2 Schematic diagram of the structure after removing the support frame. DETAILED DESCRIPTION
[0016] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.
[0017] See also Figure 1 , Figure 2 and Figure 3 The present embodiment provides a locking electromagnet 202 assembly of an embroidery machine, comprising: a clutch driving device 20 disposed on a housing 10 and a slide bar 30 disposed on the housing 10, the slide bar 30 being slidably provided with a slide seat 40 for arranging an embroidery needle bar (not shown in the figure) and a needle bar (not shown in the figure), a needle bar (not shown in the figure) driver (not shown in the figure) for driving the slide seat 40 to reciprocate along the slide bar 30 being provided on the housing 10, a driving block 401 being provided on the slide seat 40 for rotating in cooperation with the slide bar 30 and sliding with the slide seat 40, the needle bar (not shown in the figure) being provided on the driving block 401, and a clutch rod 402 being parallel to the slide bar 30 being provided on the driving block 401, the clutch driving device 20 toggles the clutch rod 402 to push the driving block 401 to rotate, so that the needle bar (not shown in the figure) and the embroidery needle bar (not shown in the figure) are clutched and matched to realize needle jumping;
[0018] Specifically, the clutch drive device 20 includes a support frame 201, the support frame 201 is fixed on the housing 10, an electromagnet 202 is provided on the support frame 201, and a magnetic core 203 is provided on the electromagnet 202. When the electromagnet 202 is energized, the electromagnet 202 drives the magnetic core 203 to reciprocate. One end is hinged on the support frame 201 and connected to the magnetic core 203, and the other end drives the driving block 401 to rotate when the electromagnet 202 is energized and drives the magnetic core 203, so that the needle rod (not shown in the figure) and the embroidery needle rod ( The lever swing arm 204 with clutch (not shown in the figure) drives the magnetic core 203 to move after the electromagnet 202 is energized, so that the magnetic core 203 pulls the lever swing arm 204 to swing. When the lever swing arm 204 swings, it pries the clutch rod 402, pushing the driving block 401 to rotate, thereby realizing the clutch cooperation of the needle bar (not shown in the figure) and the embroidery needle bar (not shown in the figure) to realize the needle jumping. The driving mode of the electromagnet 202 is used instead of the driving mode of the motor, which has a simple and compact structure, simple maintenance and low cost.
[0019] Among them, a first U-shaped groove is opened at one end of the magnetic core 203 and the lever swing arm 204, the lever swing arm 204 is inserted into the first U-shaped groove, and the lever swing arm 204 inserted into the first U-shaped groove is provided with a second U-shaped groove. Through this arrangement, its structure is compact and the volume can be reduced.
[0020] In addition, a rotating shaft 205 is provided at the lever swing arm 204 near one end of the magnetic core 203. The lever swing arm 204 is rotatably connected to the rotating shaft 205 through a bearing, and both ends of the rotating shaft 205 are connected to the support frame 201. Two anti-deflection blocks are sleeved on the rotating shaft 205, and the lever swing arm 204 is arranged between the two anti-deflection blocks to avoid the problem of deflection when the lever swing arm 204 swings. A buffer block 206 that contacts the clutch rod 402 is provided at the lever swing arm 204 away from the magnetic core 203. The buffer block 206 is made of elastic material so that the buffer block 206 has a certain elasticity. The provision of the buffer block 206 can reduce the noise generated when the lever swing arm 204 touches the clutch rod 402.
[0021] In order to improve the maintenance efficiency, the support frame 201 includes a mounting portion 2011 and a connecting portion 2012, the mounting portion 2011 includes a side wall 20111, and both ends of the side wall 20111 have support bends 20112 that are perpendicular to the side wall 20111, wherein one support bend 20112 has an axial connecting portion 20113 that is perpendicular to the support bend 20112 and parallel to the side wall 20111, and the electromagnet 202 is mounted on the other support bend 20112, and the support bend 20112 is provided with a magnetic core 20113. 3 passes through the through hole; the connecting portion 2012 is connected to the side wall 20111 and is in a vertical state with the side wall 20111. The connecting portion 2012 is fixed to the housing 10 by screws or bolts. The setting of the support frame 201 makes its structure simple, and compared with the use of a motor, the electromagnet 202 is used to drive, which has a high safety factor, is convenient for observing the electromagnet 202 on the support frame 201, and is convenient for maintenance. It only needs to remove the connecting portion 2012 from the housing 10, and the entire clutch drive device 20 can be disassembled, which is fast and convenient.
[0022] Furthermore, when embroidery does not require skipping stitches, in order to prevent the lever swing arm 204 from moving when the embroidery machine is in operation or to facilitate maintenance, the lever swing arm 204 needs to be locked to prevent the lever swing arm 204 from moving. To this end, a stop assembly 50 for locking the magnetic core 203 and the lever swing arm 204 is provided on one side of the side wall 20111 of the support frame 201. The stop assembly 50 includes a locking rod 501 with one end connected to the magnetic core 203 and the other end passing through the support frame 201, and a stop plate 502 rotatably provided on the support frame 201 and used to lock the locking rod 501. 501 passes through the first U-shaped groove and the second U-shaped groove in sequence, and the locking rod 501 can rotate in the second U-shaped groove. The side wall 20111 is provided with a strip groove 20114 for the locking rod 501 to move. One end of the stop plate 502 is provided with a hook portion 503 for fastening the locking rod 501, and the other end is provided with a bending portion 504. The stop plate 502 can be rotated by moving the bending portion 504, so that the hook portion 503 hooks the locking rod 501 or the hook portion 503 is separated from the locking rod 501, so as to lock or unlock the locking rod 501, and then the locking core 203 and the lever swing arm 204 can be achieved.
[0023] Preferably, in order to prevent the stop plate 502 from shaking on the support frame 201 when locking or unlocking the locking rod 501, the stop plate 502 is fixed to the support frame 201 by bolts 505, and a wave-shaped gasket 506 is provided at the connection between the stop plate 502 fixed to the support frame 201 by bolts 505. The wave-shaped gasket 506 ensures that the stop plate 502 stays in place and remains motionless when it does not rotate.
[0024] In summary, during operation, the needle bar (not shown) and the driver (not shown) drive the slide 40 to drive the drive block 401 to slide along the slide bar 30. When needle skipping is required, the drive block 401 drives the clutch rod 402 to move to the lever swing arm 204. The electromagnet 202 is energized to drive the magnetic core 203 to move, so that the magnetic core 203 pulls the lever swing arm 204 to swing. When the lever swing arm 204 swings, it pries the clutch rod 402, so that the clutch rod 402 pushes the drive block 401 to rotate, thereby realizing The needle bar (not shown in the figure) and the embroidery needle bar (not shown in the figure) are clutched and matched to realize needle jumping; the electromagnet 202 and the magnetic core 203 cooperate to drive the lever swing arm 204 to pry the driving block 401 to rotate so that the needle bar (not shown in the figure) and the embroidery needle bar (not shown in the figure) are clutched and matched to realize the needle jumping effect, replacing the existing motor drive method, with a simple structure and low cost, only 30% of the motor cost, and simple maintenance and a long service life of more than 10 million times.
[0025] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
Claims
1. A locking electromagnet assembly of an embroidery machine, comprising: A clutch drive device is arranged on the casing and a slide rod is arranged on the casing. The slide rod is provided with a slide seat for setting the embroidery needle bar and the needle bar. The slide seat is provided with a drive block that rotates in coordination with the slide rod and slides with the slide seat. The needle bar is arranged on the drive block. It is characterized in that the clutch drive device includes a support frame and an electromagnet arranged on the support frame, a magnetic core driven by the electromagnet after the electromagnet is energized, and a lever swing arm that is hinged to the support frame and connected to the magnetic core at one end and pries the drive block to rotate when the magnetic core is driven after the electromagnet is energized to make the needle bar and the embroidery needle bar clutch and cooperate. A stop assembly is provided on one side of the support frame for locking the magnetic core and the lever swing arm.
2. The locking electromagnet assembly of the embroidery machine according to claim 1, characterized in that: The driving block is provided with a clutch rod which is parallel to the sliding rod. When the lever swing arm swings, the clutch rod is pushed to make the driving block rotate.
3. The locking electromagnet assembly of the embroidery machine according to claim 2, characterized in that: A rotating shaft is arranged at one end of the lever swing arm close to the magnetic core, and two ends of the rotating shaft are connected with the supporting frame. A buffer block contacting with the clutch rod is arranged at one end of the lever swing arm far away from the magnetic core.
4. The locking electromagnet assembly of the embroidery machine according to claim 1, characterized in that: The stopping assembly includes a locking rod connected to the magnetic core at one end and passing through the supporting frame at the other end, and a stopping plate rotatably arranged on the supporting frame and used to lock the locking rod. The supporting frame is provided with a strip groove for the locking rod to move. One end of the stopping plate is provided with a hook portion for fastening the locking rod, and the other end is provided with a bending portion.
5. The locking electromagnet assembly of the embroidery machine according to claim 4, characterized in that: The stopper is fixed to the support frame by bolts, and a wave-shaped gasket is provided at the connection of the stopper fixed to the support frame by bolts.
6. The locking electromagnet assembly of the embroidery machine according to claim 4, characterized in that: The magnetic core is provided with a first U-shaped groove, the lever swing arm is inserted into the first U-shaped groove, and the lever swing arm inserted into the first U-shaped groove is provided with a second U-shaped groove, and the locking rod passes through the first U-shaped groove and the second U-shaped groove in sequence.
7. The locking electromagnet assembly of the embroidery machine according to claim 1, characterized in that: The support frame includes a mounting portion and a connecting portion. The mounting portion includes a side wall. Both ends of the side wall have supporting bends that are perpendicular to the side wall. One of the supporting bends has an axial connecting portion that is perpendicular to the supporting bend and parallel to the side wall. The electromagnet is installed on the other supporting bend, and the supporting bend is provided with a through hole for the magnetic core to pass through. The connecting portion is connected to the side wall and is perpendicular to the side wall. The connecting portion is fixed to the casing.