CN208362656U - Driving mechanism and sewing machine with it - Google Patents
Driving mechanism and sewing machine with it Download PDFInfo
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- CN208362656U CN208362656U CN201820637865.2U CN201820637865U CN208362656U CN 208362656 U CN208362656 U CN 208362656U CN 201820637865 U CN201820637865 U CN 201820637865U CN 208362656 U CN208362656 U CN 208362656U
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- driving mechanism
- main shaft
- side wall
- motor
- rotor
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Abstract
The utility model provides a kind of driving mechanism and the sewing machine with it.The driving mechanism includes main shaft, motor and shaft coupling, and in the head that its axis is installed in rotation on sewing machine, the sewing mechanism of main shaft and sewing machine is drivingly connected main shaft；Motor is mounted on head；Shaft coupling includes rigid connection portion and the flexible joint of mutually nested cooperation；Wherein, the rotor of motor is connect by rigid connection portion and flexible joint with main shaft, is operated with driving spindle.So as to reduce the machining accuracy of Assembly part and reduce cost, while guaranteeing that rotor is connected firmly with main shaft, it is ensured that sewing machine runs smoothly to guarantee sewing quality.It is jiggly to solve the problems, such as that sewing machine in the prior art causes to run due to mismachining tolerance.
Description
Technical field
The utility model relates to sewing device fields, in particular to a kind of driving mechanism and with its sewing machine.
Background technique
In the fabrication process, head shell, main shaft, shaft coupling and motor etc. can have mismachining tolerance to sewing machine,
And between the motor output shaft of existing sewing machine and the main shaft of sewing machine it is rigid connection, and the presence of mismachining tolerance can be led
It causes sewing machine operation unstable, not only influences sewing quality, and will lead to the inordinate wear of sewing machine, final influence sewing machine
Service life.
Utility model content
The main purpose of the utility model is to provide a kind of driving mechanism and with its sewing machine, to solve existing skill
Sewing machine in art causes to run jiggly problem due to mismachining tolerance.
To achieve the goals above, first aspect according to the present utility model provides a kind of driving mechanism, comprising:
Main shaft, in the head that its axis is installed in rotation on sewing machine, the sewing mechanism of main shaft and sewing machine is drivingly connected；Electricity
Machine is mounted on head；Shaft coupling, shaft coupling include rigid connection portion and the flexible joint of mutually nested cooperation；Wherein, electric
The rotor of machine is connect by rigid connection portion and flexible joint with main shaft, is operated with driving spindle.
Further, rigid connection portion includes: shaft coupling sleeve, is removably set in the end of main shaft and and principal shaft locking
Connection；Multiple lug bosses, multiple lug bosses are provided at circumferentially spaced along shaft coupling sleeve；Wherein, between two adjacent lug bosses
A card slot is formed, the end of rotor has multiple clamps, and each clamp is embedded in a corresponding card slot, and flexible joint is
Continuous rubber rib, flexible joint are at least partly embedded between each clamp and corresponding each card slot.
Further, flexible joint includes: multiple positioning ribs, and each positioning rib is embedded in a corresponding card slot
It is interior；Multiple connecting bars, two adjacent positioning ribs are connected with each other by a connecting bar；Wherein, each positioning rib
Groove profile space is surrounded, each clamp is embedded in the groove profile space of a corresponding positioning rib.
Further, lug boss has the first side wall and second sidewall, in two adjacent lug bosses, a lug boss
The first side wall and another lug boss second sidewall formed card slot；Wherein, the first side wall and second sidewall of card slot are formed
Between have the first default angle.
Further, positioning rib has the first lateral wall and the second lateral wall, when positioning rib is embedded in card slot, positioning
The fitting corresponding with the first side wall and second sidewall that form card slot respectively of the first lateral wall and the second lateral wall of rib.
Further, clamp has third side wall and the 4th side wall；Wherein, positioning rib has the first inner sidewall and second
Inner sidewall, when in the groove profile space that clamp is embedded in a corresponding positioning rib, the third side wall and the 4th side wall point of clamp
Fitting not corresponding with the first inner sidewall of positioning rib and the second inner sidewall.
Further, there is the second default angle between third side wall and the 4th side wall.
Further, driving mechanism further include: motor mount, motor are mounted on head by motor mount；Its
In, rotor through-hole is offered on motor mount, rotor passes through rotor through-hole to connect with main shaft.
Further, driving mechanism further include: electric control gear is connected to motor, to control motor operating；Handwheel, setting
On rotor and with rotor common rotation.
The second aspect according to the present utility model, provides a kind of sewing machine, including driving mechanism, and driving mechanism is upper
The driving mechanism stated.
Using the driving mechanism of technical solutions of the utility model, including main shaft, motor and shaft coupling, main shaft can around its axis
It is rotatably mounted in the head of sewing machine, the sewing mechanism of main shaft and sewing machine is drivingly connected；Motor is mounted on head；Connection
Axis device includes rigid connection portion and the flexible joint of mutually nested cooperation；Wherein, the rotor of motor by rigid connection portion and
Flexible joint is connect with main shaft, is operated with driving spindle.So as to reduce the machining accuracy of Assembly part and reduce cost,
Guarantee that rotor is connected firmly with main shaft simultaneously, it is ensured that sewing machine runs smoothly to guarantee sewing quality.Solves existing skill
Sewing machine in art causes to run jiggly problem due to mismachining tolerance.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram according to the first visual angle of optionally a kind of driving mechanism of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the second visual angle of optionally a kind of driving mechanism of the utility model embodiment；
Fig. 3 is the structural representation according to the shaft coupling and motor of optionally a kind of driving mechanism of the utility model embodiment
Figure；And
Fig. 4 is according to optionally a kind of structural schematic diagram of the shaft coupling of driving mechanism of the utility model embodiment.
Wherein, the above drawings include the following reference numerals:
10, main shaft；20, head；30, motor；31, rotor；311, clamp；40, shaft coupling；41, rigid connection portion；411,
Shaft coupling sleeve；412, lug boss；42, flexible joint；421, positioning rib；422, connecting bar；50, motor mount；60,
Electric control gear；70, handwheel.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
According to the driving mechanism of the utility model embodiment, as depicted in figs. 1 and 2, including main shaft 10, motor 30 and shaft coupling
Device 40, in the head 20 that its axis is installed in rotation on sewing machine, the sewing mechanism of main shaft 10 and sewing machine drives main shaft 10
Dynamic connection；Motor 30 is mounted on head 20；Shaft coupling 40 includes rigid connection portion 41 and the flexible connection of mutually nested cooperation
Portion 42；Wherein, the rotor 31 of motor 30 is connect by rigid connection portion 41 and flexible joint 42 with main shaft 10, with driving spindle
10 operatings.
Using the driving mechanism of technical solutions of the utility model, including main shaft 10, motor 30 and shaft coupling 40, main shaft 10 around
Its axis is installed in rotation in the head 20 of sewing machine, and the sewing mechanism of main shaft 10 and sewing machine is drivingly connected；Motor 30
It is mounted on head 20；Shaft coupling 40 includes rigid connection portion 41 and the flexible joint 42 of mutually nested cooperation；Wherein, motor
30 rotor 31 is connect by rigid connection portion 41 and flexible joint 42 with main shaft 10, with the operating of driving spindle 10.So as to
It enough reduces the machining accuracy of Assembly part and reduces cost, while guaranteeing that 30 rotor 31 of motor is connected firmly with main shaft 10, it is ensured that
Sewing machine runs smoothly to guarantee sewing quality.Solving sewing machine in the prior art leads to operation due to mismachining tolerance not
Steady problem.
When it is implemented, as shown in Figure 3 and Figure 4, rigid connection portion 41 includes shaft coupling sleeve 411 and multiple lug bosses 412,
Shaft coupling sleeve 411 is removably set in the end of main shaft 10 and locks with main shaft 10 and connects；Multiple lug bosses 412 are along coupling band
Cylinder 411 is provided at circumferentially spaced；Wherein, a card slot is formed between two adjacent lug bosses 412, the end of rotor 31 has
Multiple clamps 311, each clamp 311 are embedded in a corresponding card slot, and flexible joint 42 is continuous rubber rib, flexible
Interconnecting piece 42 is at least partly embedded between the side wall of each clamp 311 and the side wall of corresponding each card slot.Specifically, join
It is arranged at intervals with three lug bosses 412 on shaft sleeve 411, forms three card slots between three lug bosses 412, it is further, convex
Playing portion 412 has the first side wall and second sidewall, in two adjacent lug bosses 412, the first side wall of a lug boss 412
Card slot is formed with the second sidewall of another lug boss 412；Wherein, being formed between the first side wall of card slot and second sidewall has
First default angle.
Correspondingly, there are three clamp 311, each clamp 311 is embedded in a corresponding card slot end tool of rotor 31, is blocked
It is spaced from each other between first 311 side wall and the side wall of card slot by the rubber rib of flexible joint 42, rubber rib both can be with
Buffer function is played, the mismachining tolerance of each lug boss 412 and each clamp 311 can also be eliminated, guarantee the steady of sewing machine
Operation.
Flexible joint 42 includes multiple positioning ribs 421 and multiple connecting bars 422, and positioning rib 421 is " u "-shaped knot
Structure, each positioning rib 421 surround groove profile space, the end of positioning rib 421 by connecting bar 422 with it is adjacent another
The end of a positioning rib 421 connects.Each positioning rib 421 is embedded in a corresponding card slot, and each clamp 311 is embedded in
To which lug boss 412 and clamp 311 is mutually isolated in the groove profile space of a corresponding positioning rib 421.
Further, positioning rib 421 has in the first lateral wall and the second lateral wall and the first inner sidewall and second
Side wall, the groove profile space of positioning rib 421 between the first inner sidewall and the second inner sidewall are embedded in adjacent two in positioning rib 421
When card slot between a lug boss 412, the first lateral wall and the second lateral wall of positioning rib 421 respectively with form the of card slot
One side wall and the corresponding fitting of second sidewall；Clamp 311 has third side wall and the 4th side wall, between third side wall and the 4th side wall
With the second default angle, when in the groove profile space that clamp 311 is embedded in a corresponding positioning rib 421, the of clamp 311
Three side walls and the fitting corresponding with the first inner sidewall of positioning rib 421 and the second inner sidewall respectively of the 4th side wall.
Further, as shown in Figure 1 to Figure 3, driving mechanism further includes motor mount 50, and motor 30 is installed by motor
Seat 50 is mounted on head 20；Wherein, offer rotor through-hole on motor mount 50, rotor 31 pass through rotor through-hole with master
Axis 10 connects.
Driving mechanism further includes electric control gear 60 and handwheel 70, and electric control gear 60 is connect to control the fortune of motor 30 with motor 30
Turn；Handwheel 70 be connected to the other end of rotor 31 and with 31 common rotation of rotor.
The driving mechanism of the utility model embodiment is by head 20, main shaft 10, shaft coupling 40, flexible joint 42, motor
30, electric control gear 60, handwheel 70 forms.In head 20, shaft coupling 40 is screwed in master for main shaft 10 and transmission parts
On axis 10, flexible joint 42 and shaft coupling 40 cooperate, and the clamp matched with shaft coupling 40 is machined on the rotor 31 of motor 30
311, when the casing of motor 30 and head 20 is cooperated fixed, the clamp 311 on rotor 31 passes through on rubber pad and shaft coupling 40
Card slot close-fitting, by the foozle of the parts such as the eliminating deformation head 20 of rubber pad, main shaft 10, shaft coupling 40, motor 30,
Keep the operation of motor 30 more steady.In addition revolving speed by improvement motor and is limited to 6000rpm by the driving mechanism of the present embodiment,
Electric control gear is controlled simultaneously and is optimized, high-torque mode is increased, according to different sewing requirements, selects and goes out force mode accordingly:
In routinely sewing, using normal mode, when sew super-thick material when select high-torque mode, make same machine i.e. it is suitable commonly
Sewing is suitble to thick material sewing again；The purpose saved and can lowered consumption is played when sewing conventional sewing.
The second aspect according to the present utility model, provides a kind of sewing machine, including driving mechanism, and driving mechanism is upper
State the driving mechanism of embodiment.Using the sewing machine of the driving mechanism of above-described embodiment, by improving internal structure of motor and electricity
Control control improves Motor torque, and Motor torque is made to be increased to 4.3-4.6N.m (conventional 500W Motor torque is in 3.2N.m or so)；
Rotor is connect using positive coupling and flexible rubber Hybrid connections with main shaft, can reduce the machining accuracy of Assembly part
Cost is reduced, and can guarantee being connected firmly for rotor and main shaft；Thick ability is stitched in the sewing for promoting complete machine.Ensure that sewing machine is transported
Row is steadily to guarantee sewing quality.Solving sewing machine in the prior art causes to run jiggly ask due to mismachining tolerance
Topic.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of driving mechanism characterized by comprising
Main shaft (10) is installed in rotation in the head (20) of sewing machine around its axis, the main shaft (10) and the sewing
The sewing mechanism of machine is drivingly connected；
Motor (30) is mounted on the head (20)；
Shaft coupling (40), the shaft coupling (40) include rigid connection portion (41) and the flexible joint of mutually nested cooperation
(42)；
Wherein, the rotor (31) of the motor (30) passes through the rigid connection portion (41) and the flexible joint (42) and institute
Main shaft (10) connection is stated, to drive the main shaft (10) to operate.
2. driving mechanism according to claim 1, which is characterized in that the rigid connection portion (41) includes:
Shaft coupling sleeve (411) is removably set in the end of the main shaft (10) and locks connection with the main shaft (10)；
Multiple lug bosses (412), multiple lug boss (412) being provided at circumferentially spaced along shaft coupling sleeve (411)；
Wherein, a card slot is formed between adjacent two lug bosses (412), the end of the rotor (31) has multiple
Clamp (311), each clamp (311) are embedded in a corresponding card slot, and the flexible joint (42) is continuous
Rubber rib, the flexible joint (42) is at least partly embedded in each clamp (311) and corresponding each card
Between slot.
3. driving mechanism according to claim 2, which is characterized in that the flexible joint (42) includes:
Multiple positioning ribs (421), each positioning rib (421) are embedded in a corresponding card slot；
Multiple connecting bars (422), the positioning rib (421) of adjacent two pass through connecting bar (422) phase
It connects；
Wherein, each positioning rib (421) surrounds groove profile space, and each clamp (311) is embedded in corresponding one
In the groove profile space of the positioning rib (421).
4. driving mechanism according to claim 3, which is characterized in that the lug boss (412) has the first side wall and the
Two side walls, in two adjacent lug bosses (412), the first side wall of lug boss (412) and another
The second sidewall of a lug boss (412) forms the card slot；
Wherein, being formed has the first default angle between the first side wall of the card slot and the second sidewall.
5. driving mechanism according to claim 4, which is characterized in that the positioning rib (421) has the first lateral wall
With the second lateral wall, the positioning rib (421) be embedded in the card slot when, the positioning rib (421) described first outside
Side wall and second lateral wall fitting corresponding with the first side wall and the second sidewall that form the card slot respectively.
6. driving mechanism according to claim 3, which is characterized in that the clamp (311) has third side wall and the 4th
Side wall；
Wherein, the positioning rib (421) has the first inner sidewall and the second inner sidewall, and in the clamp (311), insertion is corresponding
A positioning rib (421) groove profile space in when, the third side wall of the clamp (311) and the 4th side
Wall fitting corresponding with first inner sidewall of the positioning rib (421) and second inner sidewall respectively.
7. driving mechanism according to claim 6, which is characterized in that have between the third side wall and the 4th side wall
There is the second default angle.
8. driving mechanism according to claim 1, which is characterized in that the driving mechanism further include:
Motor mount (50), the motor (30) are mounted on the head (20) by the motor mount (50)；
Wherein, offer rotor through-hole on the motor mount (50), the rotor (31) pass through the rotor through-hole with
Main shaft (10) connection.
9. driving mechanism according to claim 1, which is characterized in that the driving mechanism further include:
Electric control gear (60) is connect with the motor (30), to control the motor (30) operating；
Handwheel (70), be arranged on rotor (31) and with the rotor (31) common rotation.
10. a kind of sewing machine, including driving mechanism, which is characterized in that the driving mechanism is any one of claims 1 to 9
The driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820637865.2U CN208362656U (en) | 2018-04-28 | 2018-04-28 | Driving mechanism and sewing machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820637865.2U CN208362656U (en) | 2018-04-28 | 2018-04-28 | Driving mechanism and sewing machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208362656U true CN208362656U (en) | 2019-01-11 |
Family
ID=64933277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820637865.2U Active CN208362656U (en) | 2018-04-28 | 2018-04-28 | Driving mechanism and sewing machine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208362656U (en) |
-
2018
- 2018-04-28 CN CN201820637865.2U patent/CN208362656U/en active Active
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