CN209669477U - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN209669477U CN209669477U CN201920168697.1U CN201920168697U CN209669477U CN 209669477 U CN209669477 U CN 209669477U CN 201920168697 U CN201920168697 U CN 201920168697U CN 209669477 U CN209669477 U CN 209669477U
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Abstract
The utility model discloses a kind of sewing machines, including frame base mechanism (01), table top (02), fuselage (03) and feeding mechanism, the installation mainboard (33) of upper rotary lifting mechanism (09) is equipped with lifting panel seat (35), motor (11) and lifting drive component, upper head (2) is carried by installation mainboard (33) and can be set with gear wheel (24) relative to its rotation, upper head (2)；Lifting drive component connection installation mainboard (33)；Gear wheel (24) is engaged with the pinion gear (16) of the long flank of tooth in lifting travel, and pinion gear (16) and gear wheel (24) are set in gear-box (17).State when due to that the mutual alignment of eedle and suture can be made to be always held at along seam when sewing backstitches direction, improves the quality of sewing；When encountering sewing is bulge-structure, head can be promoted, realize the evacuation to sewing；In addition, alleviating the weight and cost of lifting, structure is more compact, and lubrication and dust-proof effect are also more preferable.
Description
Technical field
The utility model relates to technical field of sewing equipment more particularly to a kind of sewing machines.
Background technique
Sewing machine is important sewing device, in the complicated style of sewing, can generate the case where sewing towards any direction,
Sewing towards different directions can be generated along two kinds of stitching appearances of suture mark and backward stitch, the sewing quality of both stitching appearances
It is different.
Wherein, not only appearance is poor for backward stitch, and upper thread can generate loose twist, suture strength decline, and breakage ratio improves, drop
Low sewing quality.
Utility model content
The purpose of the utility model is to provide a kind of sewing machines, and quality of not only sewing is obviously improved, and equipment
Structure is simple, specification is small, use cost is low, runs relatively reliable.
To achieve the above object, the utility model provides a kind of sewing machine, including frame base mechanism, and by its branch
Table top, fuselage and the feeding mechanism of support are equipped with lower head below the table top and drive the lower whirler of the lower head
Structure, the fuselage are equipped with rotary lifting mechanism and upper head, the upper head and the lower head synchronous rotary；
The head connection component of the upper rotary lifting mechanism includes the installation mainboard being fixedly mounted with casing, the installation
Mainboard is fixedly connected with gear-box, motor and vertically arranged lifting drive component, and the output shaft of the motor drives pinion gear
Rotation；The bottom installation lifting panel seat of the lifting drive component, the top of rotation set is by lifter plate seat supports and being capable of phase
The lifting panel seat is rotated, the bottom of the rotation set carries the head, and synchronous rotation is fixedly mounted in outside
Gear wheel；
The pinion gear is long tooth face gear, and the gear wheel described in lifting process engages shape with pinion gear holding
State；The pinion gear and the gear wheel are set in the gear-box.
Preferably, the lifting drive component is the vertically arranged cylinder of cylinder rod, the cylinder by cylinder mounting plate with
The installation mainboard is fixedly connected.
Preferably, the buffer that the top setting of the gear-box is matched with the lifting panel seat.
Preferably, the rotation set passes through the gear-box, and is equipped with linear bearing between the two.
Preferably, the rotation set passes through the gear-box and is equipped with Upper shaft sleeve and Lower shaft sleeve, the Upper shaft sleeve between the two
The roof and bottom wall of the gear-box are respectively and fixedly installed to the Lower shaft sleeve.
Preferably, the top of the rotation set is also fixedly connected with the slip-ring rotor being coaxially arranged, the slip-ring rotor
Top is rotatably connected to coaxially setting slip ring stator；The slip ring stator is solid by slip ring check plate and the lifting panel seat
Fixed connection.
Preferably, the bottom of the rotation set is equipped with flange, and the head is connect by the flange with the rotation set.
Preferably, the motor is supported by the gear-box, and is connect by retarder with the pinion gear.
Preferably, retarder mounting base is also equipped at the top of the gear-box, the retarder is set to the deceleration
The top of device mounting base.
Preferably, the retarder mounting base have frame structure, at the top and bottom of frame space in be arranged shaft coupling
Device.
Sewing machine provided by the utility model, head can be revolved relative to lifting panel seat driven by a moto
Turn, thus can when sewing backstitches direction rotating head component, be always held at the mutual alignment of eedle and suture along seam
When state, so as to avoid generate backward stitch, improve the quality of sewing.
At the same time, when encountering sewing is bulge-structure, lifting drive component can be passed through at the end of every section of sewing
Head is promoted, to realize the evacuation to sewing.
Since pinion gear is long tooth face gear, gear wheel and pinion gear keep meshing state in lifting travel；In this way, needing
It wants the relatively simple for structure of lifting drive component raising, number of components less, had both alleviated the weight of lifting, reduced lifting drive
Dynamic specification and cost, meanwhile, motor designs side by side with lifting drive component also can make the structure of equipment more compact, be convenient for
Each component carries out rational deployment on the whole.
Gear wheel and pinion gear are arranged in gear-box, and lubrication and dust-proof effect are more preferable, run relatively reliable.
In a specific embodiment, the rotation set passes through the gear-box and is equipped with Upper shaft sleeve and lower axle between the two
Set, the two are respectively and fixedly installed to the roof and bottom wall of the gear-box.In this way, two positions are lateral by gear-box up and down for rotation set
Positioning, has advanced optimized product structure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 provides the overall structure diagram of sewing machine by a kind of specific embodiment of the utility model；
Fig. 2 is the overall structure diagram of head connection component and upper head in Fig. 1；
Fig. 3 is the stereoscopic schematic diagram of head connection component in Fig. 1；
Fig. 4 is the schematic cross-sectional view of Fig. 1 bottom bracket axle mounting means.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model core is to provide a kind of sewing machine, and quality of not only sewing is obviously improved, and the knot of equipment
Structure is simple, specification is small, use cost is low, runs relatively reliable.
Fig. 1-Fig. 4 is please referred to, the overall structure that Fig. 1 provides sewing machine by a kind of specific embodiment of the utility model is shown
It is intended to；Fig. 2 is the overall structure diagram of head connection component and upper head in Fig. 1；Fig. 3 is head connection component in Fig. 1
Stereoscopic schematic diagram；Fig. 4 is the schematic cross-sectional view of Fig. 1 bottom bracket axle mounting means.
In a specific embodiment, sewing machine provided by the utility model includes frame base mechanism on the whole
01, and the table top 02, fuselage 03 and the feeding mechanism that are supported by it, the feeding mechanism specifically include X to feeding mechanism 05 and Y
To feeding mechanism 06, the lower section of table top 02 is equipped with lower head 07 and drives the lower rotating mechanism 08 of lower head 07, on fuselage 03
Hai'an is equipped with upper rotary lifting mechanism 09 and upper head 2, and upper head 2 is specifically the head for being connected to rotary lifting mechanism 09
Connection component 1.
Upper head 2 is mounted by head connection component 1.Head connection component 1 is directly realized by by installation mainboard 33 and casing
Mounting, can also be realized by installation mainboard 33 and fuselage mounting plate 41 with the mounting of casing, if do not set individually certainly
Adjusted while the being adapted to property of structure of mainboard 33 is installed if setting fuselage mounting plate 41.Anyway, with the mounting of casing
Mode itself is not the key point of the utility model, can refer to the prior art if necessary.
It is fixedly installed with gear-box 17 on installation mainboard 33, and is provided with motor 11, motor 11 can be rotating electric machine,
It can also be with other power parts such as hydraulic motor.Motor 11 can be arranged directly on installation mainboard 33, also may be mounted at tooth
To be fixedly mounted on installation mainboard 33 indirectly on roller box 17.
Motor 11 is vertically arranged, i.e., its output shaft is vertically arranged.Certainly, it is so-called it is vertically arranged be and laterally setting phase
Pair concept, some special value should be utterly defined in by being not meant as its vertical angle.
The output axis connection of motor 11 simultaneously drives pinion shaft 15, so as to drive pinion gear 16 to rotate.Pinion shaft
15 bottom end can be connect by pinion flange 18 with gear-box 17.
Lifting panel seat 35 is also equipped on installation mainboard 33, lifting panel seat 35 can be relative to installation mainboard 33 vertical
Opposite sliding on direction.Go up and down panel seat 35 basic function be support dependency structure, though therefore need not be strict with, it is substantially
On should be horizontally disposed with, and the substantially vertical setting of mainboard 33 is installed.
Upper head 2 is carried by installation mainboard 33, and can be rotated relative to installation mainboard 33；The periphery of upper head 2
It is further set with the gear wheel 24 of synchronous rotation, gear wheel 24 is engaged with pinion gear 16.
Lifting drive component, the bottom connection of the elevating lever of the lifting drive component are also equipped on installation mainboard 33
Go up and down panel seat 35.The lifting drive component is equally vertically arranged namely elevating lever is general vertical setting, can change liter
Vertical position of the panel seat 35 relative to installation mainboard 33 drops.
Pinion gear 16 in the utility model is particularly configured to long tooth face gear, it is rationally arranged in conjunction with specifically used occasion
Length and position range, so that gear wheel 24 with pinion gear 16 is always maintained at the state being meshed in lifting travel.
Sewing machine provided by the utility model, head can be revolved relative to lifting panel seat driven by a moto
Turn, thus can when sewing backstitches direction rotating head component, be always held at the mutual alignment of eedle and suture along seam
When state, so as to avoid generate backward stitch, improve the quality of sewing.
At the same time, when encountering sewing is bulge-structure, lifting drive component can be passed through at the end of every section of sewing
Head is promoted, to realize the evacuation to sewing.
More importantly pinion gear is long tooth face gear, gear wheel engages shape with pinion gear holding in lifting travel
State；As such, it is desirable to which the relatively simple for structure of lifting drive component raising, number of components are less, the weight of lifting were both alleviated, had subtracted
The specification and cost of small lifting driving, meanwhile, motor and lifting drive component design side by side also can make the structure of equipment more
Step up to gather, carries out rational deployment on the whole convenient for each component.
Gear wheel and pinion gear are arranged in gear-box, and lubrication and dust-proof effect are more preferable, run relatively reliable.
Furthermore, it is possible to do some other improvement to sewing machine provided by the utility model.
For example, pinion gear 16 instead a small pulley can be no longer arranged in the output shaft of motor 11；Meanwhile
Gear wheel 24 is no longer arranged in the periphery of upper head 2, and a big band being connected by synchronous belt with the small pulley is separately arranged
Wheel.In this way, realizing power transmission by transmission belt, caused by this manufacture and assembly for being conducive to eliminate associated components accidentally
Difference, and then be conducive to the stable operation of equipment.
For another example, the lifting drive component can be cylinder 31, and cylinder rod is vertically arranged.Certain lifting drive component
It can also be other common lifting parts such as oil cylinder, screw rod.
Cylinder 31 can be fixedly connected by cylinder mounting plate 32 with installation mainboard 33；Certainly the two can also directly connect
It connects.
The top of gear-box 17 can be set with the buffer 34 that matches of lifting panel seat 35, so as to compensator or trimmer pressure and
Kinetic energy keeps equipment operation more steady.Buffer 34 can be hydraulic bjuffer or other common buffers.
The output shaft of rotating electric machine or other motors 11 can directly be connect with pinion gear 16, can also pass through retarder
12 connect with pinion gear 16.
The mounting means of retarder 12 can be designed further, for example, can install retarder at the top of gear-box 17
Retarder 12 is set to the top of retarder mounting base 13 by mounting base 13.
Retarder mounting base 13 can be designed as frame structure, at the top and bottom of frame space in can be used to be arranged
Shaft coupling 14.
Arrangement above can advanced optimize the structure of equipment, realize stable work shape in simple structure
State.
Rotation set 23 can be set to across gear-box 17, and can pacify between the top of rotation set 23 and the roof of gear-box 17
Axle sleeve 191 is loaded onto, Lower shaft sleeve 192 can be installed between the lower part of rotation set 23 and the bottom wall of gear-box 17.In addition, rotation set 23
Positioning retainer ring 25 can also be arranged in periphery.
In this way, about 23 two position of rotation set is by 17 located lateral of gear-box, it is convenient to omit the correlations such as line slide rail
Component has advanced optimized product structure.
The top of rotation set 23 can install slip ring 21；Specifically, rotation set 23 can be fixedly connected and coaxially be arranged
Slip-ring rotor 212, the top of slip-ring rotor 212 can further be rotatablely connected coaxially setting slip ring stator 211；Slip ring is fixed
Son 211 is fixedly connected by slip ring check plate 22 with lifting panel seat 35.
Flange 193 can be set in the bottom of rotation set 23, and upper head 2 realizes the connection with rotation set 23 by flange 193.
The setting of the above rotation set 23 and its related accessory, can make rotating through for upper head 2 by simple structure
Cheng Gengwei is reliable and stable.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Sewing machine provided by the utility model is described in detail above.Specific case used herein is to this
The principle and embodiment of utility model is expounded, the above embodiments are only used to help understand the utility model
Method and its core concept.It should be pointed out that for those skilled in the art, it is practical new not departing from this
Under the premise of type principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this reality
With in novel scope of protection of the claims.
Claims (10)
1. a kind of sewing machine, which is characterized in that including frame base mechanism (01), and the table top (02), the fuselage that are supported by it
(03) and feeding mechanism the lower rotation of lower head (07) and the driving lower head (07), is installed below the table top (02)
Mechanism (08), the fuselage (03) are equipped with rotary lifting mechanism (09) and upper head (2), the upper head (2) and institute
State lower head (07) synchronous rotary；
The head connection component (1) of the upper rotary lifting mechanism (09) includes the installation mainboard (33) being fixedly mounted with casing,
Installation mainboard (33) is fixedly connected with gear-box (17), motor (11) and vertically arranged lifting drive component,
The output shaft of the motor (11) drives pinion gear (16) rotation；The bottom installation lifting panel seat of the lifting drive component
(35), the top of rotation set (23) is supported by the lifting panel seat (35) and can be rotated relative to the lifting panel seat (35), institute
The bottom for stating rotation set (23) carries the upper head (2), and the gear wheel (24) of synchronous rotation is fixedly mounted in outside；
The pinion gear (16) is long tooth face gear, and the gear wheel described in lifting process (24) and the pinion gear (16) are kept
Meshing state；The pinion gear (16) and the gear wheel (24) are set in the gear-box (17).
2. sewing machine as described in claim 1, which is characterized in that the lifting drive component is the vertically arranged cylinder of cylinder rod
(31), the cylinder (31) is fixedly connected by cylinder mounting plate (32) with the installation mainboard (33).
3. sewing machine as claimed in claim 2, which is characterized in that top setting and the lifter plate of the gear-box (17)
The buffer (34) that seat (35) matches.
4. sewing machine as described in any one of claims 1-3, which is characterized in that the rotation set (23) passes through the gear-box
(17), and between the two it is equipped with linear bearing.
5. sewing machine as described in any one of claims 1-3, which is characterized in that the rotation set (23) passes through the gear-box
(17) and between the two Upper shaft sleeve (191) and Lower shaft sleeve (192), the Upper shaft sleeve (191) and the Lower shaft sleeve (192) point are equipped with
It is not fixedly mounted on the roof and bottom wall of the gear-box (17).
6. sewing machine as claimed in claim 5, which is characterized in that the top of the rotation set (23) is also fixedly connected coaxially
The slip-ring rotor (212) of setting is rotatably connected to coaxially setting slip ring stator at the top of the slip-ring rotor (212)
(211)；The slip ring stator (211) is fixedly connected by slip ring check plate (22) with the lifting panel seat (35).
7. sewing machine as claimed in claim 6, which is characterized in that the bottom of the rotation set (23) is equipped with flange (193), described
Upper head (2) is connect by the flange (193) with the rotation set (23).
8. sewing machine as claimed in claim 6, which is characterized in that the motor (11) is supported by the gear-box (17), and
It is connect by retarder (12) with the pinion gear (16).
9. sewing machine as claimed in claim 8, which is characterized in that be also equipped with retarder peace at the top of the gear-box (17)
It fills seat (13), the retarder (12) is set to the top of the retarder mounting base (13).
10. sewing machine as claimed in claim 9, which is characterized in that the retarder mounting base (13) has frame structure,
Shaft coupling (14) are set in the frame space of top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168697.1U CN209669477U (en) | 2019-01-30 | 2019-01-30 | Sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920168697.1U CN209669477U (en) | 2019-01-30 | 2019-01-30 | Sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209669477U true CN209669477U (en) | 2019-11-22 |
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ID=68567986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920168697.1U Active CN209669477U (en) | 2019-01-30 | 2019-01-30 | Sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209669477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518372A (en) * | 2019-01-30 | 2019-03-26 | 拓卡奔马机电科技有限公司 | Sewing machine |
-
2019
- 2019-01-30 CN CN201920168697.1U patent/CN209669477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518372A (en) * | 2019-01-30 | 2019-03-26 | 拓卡奔马机电科技有限公司 | Sewing machine |
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