CN209619627U - A kind of synchronous belt transmission device on sewing machine - Google Patents
A kind of synchronous belt transmission device on sewing machine Download PDFInfo
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- CN209619627U CN209619627U CN201920147558.0U CN201920147558U CN209619627U CN 209619627 U CN209619627 U CN 209619627U CN 201920147558 U CN201920147558 U CN 201920147558U CN 209619627 U CN209619627 U CN 209619627U
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- wheel
- connecting rod
- preamble
- seat
- synchronous belt
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Abstract
The utility model provides the synchronous belt transmission device on a kind of sewing machine, belongs to transmission device technical field.The elasticity adjustment structure that it solves synchronous belt transmission device is more complicated, and space occupied is big, the technical problems such as complicated for operation.This synchronous belt transmission device includes preamble wheel, preamble wheel seat, rear synchronizing wheel, rear synchronous wheel seat and covers the synchronous belt on preamble wheel and rear synchronizing wheel, and rear synchronizing wheel is mounted on rear synchronous wheel seat；Preamble wheel seat is equipped with the adjusting swing seat that can be swung；The middle part for adjusting swing seat is hinged with preamble wheel seat, and the one end for adjusting swing seat is arranged in preamble wheel, and the regulating part for adjusting swing seat swing angle can be adjusted by adjusting to be equipped between the other end of swing seat and preamble wheel seat.Synchronous belt transmission device elasticity adjustment structure in the utility model is simple, easy to operate, occupies little space, and replacement synchronous belt is also more convenient.
Description
Technical field
The utility model belongs to transmission device technical field, is related to a kind of synchronous belt transmission device, especially a kind of sewing
Synchronous belt transmission device on machine.
Background technique
Synchronous belt transmission device is tool common in daily production and living, can be improved the degree of automation and work effect
Rate reduces labor intensity, usually using wirerope or glass fibre as strength layer, outside coated with the annular of polyurethane or neoprene
Dentation is made in the inner circumferential of band, band, engages it with toothed belt, synchronous belt transmission device have simultaneously V belt translation, chain conveyer and
The advantages of gear drive.Y-direction feeding on sewing machine at present also mostly uses synchronous belt transmission device to carry out feeding.Toothed belt transmission
The stationarity of the tensioning situational relationship transmission of device, to influence the stability of sewing machine sewing.Synchronous belt is in use
Certain elasticity should be kept, and in use, need periodically to carry out elasticity adjusting.
China's patent (notification number: CN204151540U；Publication date: 2015-02-11) disclose a kind of sewing machine XY axial direction
Automatic feed mechanism, sewing machine include board, the sewing machine arm above board, the rack below board and XY axis
To automatic feed mechanism, axially self feed mechanism is set to the lower section of sewing machine table to XY；XY axial feed mechanism includes: opposite
Sewing machine arm can X to feeding sewing and be capable of simultaneously Y-direction feeding X axis synchronous belt；Can with X axis synchronous belt Y-direction into
X axis positioning plate give and that X axis feeding positioning is played to sewing；Being fixed on X axis positioning plate can be to the mould of sewing
Plate plays the limit plate of position-limiting action；X axis interval reciprocally drives the X axis driving portion of X axis synchronous belt；It can clamp
The power of X axis driving portion is passed to the X axis feeding drive mechanism of X axis synchronous belt by X axis synchronous belt；It is same to X axis
Step band plays the X axis strainer of fixed tension；It is fixed in rack and support work is played to X axis feeding drive mechanism
Support plate；X axis feeding drive mechanism can be played fixed and being capable of Y-direction is fed therewith strut；It being capable of Y-axis
To the Y-axis synchronous belt of driving strut；Y-axis interval reciprocally drives the Y-axis driving portion of Y-axis synchronous belt；It is fixed on branch
On bar and simultaneously clamp on the Y-axis feeding drive mechanism of Y-axis synchronous belt；The Y-axis of tension is played to Y-axis synchronous belt
Strainer；It is fixed on X axis strainer and plays the Y-axis guiding mechanism of Y-direction guiding role.
The rate of tension of synchronous belt is adjusted in above patent document in such a way that bolt adjusts tensioning wheel position, it is entire to adjust
Section structure is more complicated, and required installation space is big, and operation is relatively difficult, and synchronous belt replacement is more troublesome.
Summary of the invention
The utility model aiming at the above problems existing in the prior art, provides the toothed belt transmission dress on a kind of sewing machine
It sets, the technical problem to be solved by the utility model is to how to improve the convenience that tightness of synchronous belt is adjusted and synchronous belt is replaced.
The purpose of this utility model can be realized by the following technical scheme:
A kind of synchronous belt transmission device on sewing machine, including it is preamble wheel, preamble wheel seat, rear synchronizing wheel, rear synchronous
Wheel seat and cover the preamble wheel and it is described after synchronous belt in synchronizing wheel, it is described after synchronizing wheel be mounted on it is described after synchronizing wheel
On seat；It is characterized in that, the preamble wheel seat is equipped with the adjusting swing seat that can be swung；The middle part for adjusting swing seat
It is hinged with the preamble wheel seat, described one end for adjusting swing seat, the adjusting swing seat is arranged in the preamble wheel
The other end and the preamble wheel seat between be equipped with can adjust it is described adjust swing seat swing angle regulating part.
Its working principles are as follows: the synchronous belt of the technical program covers on preamble wheel and rear synchronizing wheel, rear synchronizing wheel peace
On rear synchronous wheel seat, rear synchronous wheel seat is fixed on the rack, and preamble wheel seat is bolted in rack, adjusts pendulum
Dynamic seat is connected on preamble wheel seat and can swing, and regulating part adjusts the swing angle of above-mentioned adjusting swing seat, passes through lever
Before principle increases or reduces regulating part at a distance from preamble wheel seat, that is, increase or reduction adjusting swing seat one end are arrived
The vertical range of synchronous wheel seat, to reduce or increase the vertical range that preamble takes turns to preamble wheel seat, and then before adjustment
Spacing distance between synchronizing wheel and rear synchronizing wheel adjusts the elastic state of synchronous belt, the toothed belt transmission dress on this sewing machine
It is simple to set structure, area occupied is small, and facilitates the elastic state for adjusting synchronous belt, is also convenient for changing synchronous belt.
In the synchronous belt transmission device on above-mentioned sewing machine, the adjusting swing seat includes being arranged side by side positioned at two sides
Adjusting connecting rod one and adjust connecting rod two；The both ends of the preamble wheel are rotatably connected on the adjusting connecting rod one respectively and adjust
One end end of connecting rod two, the adjusting connecting rod one and the middle part for adjusting connecting rod two rotate with the preamble wheel seat and connect
It connects, the adjusting connecting rod one and the other end for adjusting connecting rod two are connected by connecting rod, and the regulating part is to adjust spiral shell
Bolt and the regulating part pass through the connecting rod and are screwed on the preamble wheel seat.
In the synchronous belt transmission device on above-mentioned sewing machine, waist-shaped hole, the adjusting are offered in the connecting rod
Part passes through the waist-shaped hole, is also bolted with locking nut on the regulating part.
The both ends of preamble wheel be rotatably installed in respectively adjust connecting rod one and adjust connecting rod two upper end, adjust connecting rod one and
The middle part and the preamble wheel seat being fixed on the rack for adjusting connecting rod two are rotatablely connected, and are adjusted connecting rod one and are adjusted under connecting rod two
End connects regulating part by connecting rod, and adjusts connecting rod one and adjust two lower end of connecting rod and be rotatablely connected with regulating part, the company of adjusting
When bar one and adjusting connecting rod two are swung, regulating part can also adjust swing angle, consequently facilitating it is normally screwed onto preamble wheel
On seat.
In the synchronous belt transmission device on above-mentioned sewing machine, alternatively, the adjusting swing seat includes
The adjusting connecting rod one and adjusting connecting rod two being arranged side by side positioned at two sides；The both ends of the preamble wheel are rotatably connected on described respectively
Adjust connecting rod one and adjust connecting rod two one end end, it is described adjust connecting rod one and it is described adjust connecting rod two middle part with it is described
Preamble wheel seat rotation connection, the regulating part be adjust bolt, it is described adjust connecting rod one and it is described adjust connecting rod two it is another
End is respectively connected with the regulating part.
Adjusting connecting rod one in this way and adjusting connecting rod two can individually be adjusted, and can prevent synchronous belt sideslip.
In the synchronous belt transmission device on above-mentioned sewing machine, the end for adjusting connecting rod one and adjusting connecting rod two is equal
It is rotatably connected to rotational pin, through hole is offered on the rotational pin, the regulating part is screwed onto described across the through hole
On preamble wheel seat.
In the synchronous belt transmission device on above-mentioned sewing machine, the middle part for adjusting connecting rod one offers through-hole one,
The middle part for adjusting connecting rod two offers through-hole two, is respectively arranged with mounting hole one and mounting hole on the preamble wheel seat
Two, the tightening hole one for being connected to the mounting hole one is offered on the preamble wheel seat and is connected to the tight of the mounting hole two
Determine hole two, to be inserted with rotation axis one in the through-hole one and mounting hole one, be inserted in the through-hole two and the mounting hole two
Rotation axis two is bolted with holding screw one in the tightening hole one, is bolted with holding screw two in the tightening hole two.
In the synchronous belt transmission device on above-mentioned sewing machine, the synchronous belt transmission device further includes a long synchronization
Wheel shaft and two short synchronization wheel shafts, the both ends of the long synchronization wheel shaft are equipped with the rear synchronous wheel seat and rear synchronizing wheel, institute
State the both ends that rear synchronizing wheel is set in the long synchronization wheel shaft；The preamble is arranged in each short synchronization wheel shaft
Wheel, two short synchronization wheel shaft spacing side by side settings and the preamble wheel are arranged in a one-to-one correspondence with the rear synchronizing wheel, institute
It states synchronous belt and is correspondingly arranged on two groups.It is two synchronous belts on sewing machine, is connected and driven by long synchronization wheel shaft, two same
Step band synchronous working.
In the synchronous belt transmission device on above-mentioned sewing machine, it is respectively provided in the preamble wheel and the rear synchronizing wheel
There are two symmetrical synchronizing wheel baffles；The synchronizing wheel is between two opposite synchronizing wheel baffles；The preamble wheel with
Bearing one is equipped between the short synchronization wheel shaft, between the rear synchronizing wheel and the long synchronization wheel shaft；The rotation axis one
And bearing two is arranged in rotation axis two.It can prevent synchronous belt from misplacing and falling off in this way, increase the steady of synchronous belt movement
Determine reliability.
Compared with prior art, the utility model has the advantage that
1, the synchronous belt transmission device in the utility model is the elasticity that synchronous belt is adjusted using lever principle, can be fast
Speed facilitates the adjusting for realizing tightness of synchronous belt degree, more laborsaving.
2, the synchronous belt transmission device in the utility model, structure is simple, occupies little space, is at low cost.
3, each screw need to only be unclamped, the quick of synchronous belt can be realized by the synchronous belt transmission device in the utility model
It changes the outfit.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this synchronous belt transmission device in embodiment one.
Fig. 2 is the mounting structure schematic diagram one of preamble wheel in this synchronous belt transmission device in embodiment one.
Fig. 3 is the mounting structure schematic diagram two of preamble wheel in this synchronous belt transmission device in embodiment one.
Fig. 4 is the mounting structure bottom view of preamble wheel in this synchronous belt transmission device in embodiment one.
Fig. 5 is the schematic perspective view of this synchronous belt transmission device in embodiment two.
Fig. 6 is the mounting structure schematic diagram one of preamble wheel in this synchronous belt transmission device in embodiment two.
Fig. 7 is the mounting structure schematic diagram two of preamble wheel in this synchronous belt transmission device in embodiment two.
Fig. 8 is the mounting structure bottom view of preamble wheel in this synchronous belt transmission device in embodiment two.
In figure, 1, preamble wheel；2, preamble wheel seat；21, mounting hole one；22, mounting hole two；23, tightening hole one；24,
Tightening hole two；3, rear synchronizing wheel；4, rear synchronous wheel seat；5, synchronous belt；6, long synchronization wheel shaft；7, connecting rod one is adjusted；71, through-hole
One；8, connecting rod two is adjusted；81, through-hole two；9, regulating part；10, synchronizing wheel baffle；11, short synchronization wheel shaft；12, bearing one；13,
Rotation axis one；14, rotation axis two；15, holding screw one；16, holding screw two；17, bearing two；18, swing seat is adjusted；19,
Connecting rod；19a, waist-shaped hole；20, locking nut；2a, rotational pin；2a1, through hole.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figures 1 to 4, the synchronous belt transmission device in the present embodiment include preamble wheel 1, preamble wheel seat 2, after
Synchronizing wheel 3, rear synchronous wheel seat 4 and the synchronous belt 5 on preamble wheel 1 and rear synchronizing wheel 3 is covered, rear synchronizing wheel 3 is same after being mounted on
It walks on wheel seat 4；Preamble wheel seat 2 is equipped with the adjusting swing seat 18 that can be swung；Adjust middle part and the preamble of swing seat 18
Wheel seat 2 is hinged, and the one end for adjusting swing seat 18 is arranged in preamble wheel 1, adjusts the other end and preamble wheel of swing seat 18
The regulating part 9 for adjusting 18 swing angle of swing seat can be adjusted by being equipped between seat 2.
Specifically, adjusting swing seat 18 includes the adjusting connecting rod 1 being arranged side by side positioned at two sides and adjusting connecting rod 28；
The both ends of preamble wheel 1 be rotatably connected on respectively adjust connecting rod 1 and adjust connecting rod 28 one end end, adjust connecting rod 1 and
The middle part for adjusting connecting rod 28 is rotatablely connected with preamble wheel seat 2, and the other end for adjusting connecting rod 1 and adjusting connecting rod 28 passes through
Connecting rod 19 is connected, and regulating part 9 is adjusting bolt and regulating part 9 passes through connecting rod 19 and is screwed on preamble wheel seat 2；Connection
Waist-shaped hole 19a is offered on bar 19, regulating part 9 passes through waist-shaped hole 19a, is also bolted with locking nut 20 on regulating part 9.This synchronization
Belt driver further includes one long synchronization wheel shaft 6 and two short synchronization wheel shaft 11, and the both ends of long synchronization wheel shaft 6 are same after being equipped with
It walks wheel seat 4 and rear synchronizing wheel 3, rear synchronizing wheel 3 is set in the both ends of long synchronization wheel shaft 6；It is covered in each short synchronization wheel shaft 11
Equipped with preamble wheel 1, two short synchronization wheel shaft, 11 spacing side by side is arranged and preamble wheel 1 is arranged in a one-to-one correspondence with rear synchronizing wheel 3,
Synchronous belt 5 is correspondingly arranged on two groups.It is two synchronous belts 5 on sewing machine, is connected and driven by long synchronization wheel shaft 6, two
Synchronous belt 5 works asynchronously；Symmetrical synchronizing wheel baffle 10 there are two being respectively provided on preamble wheel 1 and rear synchronizing wheel 3；Synchronizing wheel position
Between two opposite synchronizing wheel baffles 10；Between preamble wheel 1 and short synchronization wheel shaft 11, rear synchronizing wheel 3 and long synchronizing wheel
Bearing 1 is equipped between axis 6；Bearing 2 17 is arranged in rotation axis 1 and rotation axis 2 14.
As shown in Figures 2 to 4, the middle part for adjusting connecting rod 1 offers through-hole 1, and the middle part for adjusting connecting rod 28 opens up
There is through-hole 2 81, mounting hole 1 and mounting hole 2 22 are respectively arranged on preamble wheel seat 2, is offered on preamble wheel seat 2
It is connected to the tightening hole 1 of mounting hole 1 and is connected to the tightening hole 2 24 of mounting hole 2 22, through-hole 1 and mounting hole one
It is inserted with rotation axis 1 in 21, is inserted with rotation axis 2 14 in through-hole 2 81 and mounting hole 2 22, is spirally connected in tightening hole 1
There is holding screw 1, holding screw 2 16 is bolted in tightening hole 2 24.
Its working principles are as follows: rear synchronous wheel seat 4 is fixed on the rack, preamble wheel seat 2 is bolted on rack
On, it adjusts swing seat 18 and is connected on preamble wheel seat 2 and can swing, regulating part 9 adjusts the pendulum of above-mentioned adjusting swing seat 18
Dynamic angle increases or reduces regulating part 9 at a distance from preamble wheel seat 2 by lever principle, that is, increases or reduce and adjust
The vertical range that preamble wheel seat 2 is arrived in 18 one end of swing seat is saved, to reduce or increase preamble wheel 1 to preamble wheel seat 2
Vertical range, and then adjust the spacing distance between preamble wheel 1 and rear synchronizing wheel 3, adjust the elastic state of synchronous belt 5,
Synchronous belt transmission device structure on this sewing machine is simple, and area occupied is small, and facilitates the elastic state for adjusting synchronous belt 5,
Also it is convenient for changing synchronous belt 5.
Embodiment two
As shown in Fig. 5 to Fig. 8, the present embodiment and embodiment one have many something in common, no longer illustrate one by one herein, different
Place is: the other end that connecting rod 1 and adjusting connecting rod 28 are adjusted in the present embodiment is respectively connected with regulating part 9；Adjust connecting rod one
7 and adjust connecting rod 28 can individually adjust, to prevent 5 sideslip of synchronous belt.Further, connecting rod 1 and the company of adjusting are adjusted
The end of bar 28 is rotatably connected to rotational pin 2a, and through hole 2a1 is offered on rotational pin 2a, and regulating part 9 passes through through hole
2a1 is screwed on preamble wheel seat 2.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. the synchronous belt transmission device on a kind of sewing machine, including preamble wheel (1), preamble wheel seat (2), rear synchronizing wheel (3),
Afterwards synchronous wheel seat (4) and cover the preamble wheel (1) and it is described after synchronous belt (5) in synchronizing wheel (3), it is described after synchronizing wheel
(3) it is mounted on the rear synchronous wheel seat (4)；It is characterized in that, the preamble wheel seat (2) is equipped with the adjusting that can be swung
Swing seat (18)；The middle part for adjusting swing seat (18) is hinged with the preamble wheel seat (2), the preamble wheel (1)
It is arranged in described one end for adjusting swing seat (18), the other end for adjusting swing seat (18) and the preamble wheel seat (2)
Between be equipped with can adjust it is described adjust swing seat (18) swing angle regulating part (9).
2. the synchronous belt transmission device on sewing machine according to claim 1, which is characterized in that the adjusting swing seat
It (18) include the adjusting connecting rod one (7) being arranged side by side positioned at two sides and adjusting connecting rod two (8)；The both ends of the preamble wheel (1)
Be rotatably connected on respectively it is described adjusting connecting rod one (7) and adjust connecting rod two (8) one end end, the adjusting connecting rod one (7) and
The middle part for adjusting connecting rod two (8) is rotatablely connected with the preamble wheel seat (2), the adjusting connecting rod one (7) and described
The other end for adjusting connecting rod two (8) is connected by connecting rod (19), and the regulating part (9) is to adjust bolt and the regulating part
(9) connecting rod (19) are passed through to be screwed on the preamble wheel seat (2).
3. the synchronous belt transmission device on sewing machine according to claim 2, which is characterized in that on the connecting rod (19)
It offers waist-shaped hole (19a), the regulating part (9) passes through the waist-shaped hole (19a), is also bolted with lock on the regulating part (9)
Tight nut (20).
4. the synchronous belt transmission device on sewing machine according to claim 1, which is characterized in that the adjusting swing seat
It (18) include the adjusting connecting rod one (7) being arranged side by side positioned at two sides and adjusting connecting rod two (8)；The both ends of the preamble wheel (1)
Be rotatably connected on respectively it is described adjusting connecting rod one (7) and adjust connecting rod two (8) one end end, the adjusting connecting rod one (7) and
The middle part for adjusting connecting rod two (8) is rotatablely connected with the preamble wheel seat (2), and the regulating part (9) is to adjust bolt,
Adjusting connecting rod one (7) and the other end for adjusting connecting rod two (8) are respectively connected with the regulating part (9).
5. the synchronous belt transmission device on sewing machine according to claim 4, which is characterized in that the adjusting connecting rod one
(7) it is rotatably connected to rotational pin (2a) with the end of adjusting connecting rod two (8), offers through hole on the rotational pin (2a)
(2a1), the regulating part (9) pass through the through hole (2a1) and are screwed on the preamble wheel seat (2).
6. according to the synchronous belt transmission device on sewing machine described in claim 2 to 5 any one, which is characterized in that described
It adjusts and offers through-hole one (71) in the middle part of connecting rod one (7), offer through-hole two (81) in the middle part of the adjusting connecting rod two (8),
It is respectively arranged with mounting hole one (21) and mounting hole two (22) on the preamble wheel seat (2), is opened on the preamble wheel seat (2)
Equipped with the tightening hole one (23) for being connected to the mounting hole one (21) and it is connected to the tightening hole two of the mounting hole two (22)
(24), rotation axis one (13), the through-hole two (81) and the peace are inserted in the through-hole one (71) and mounting hole one (21)
It is inserted with rotation axis two (14) in dress hole two (22), holding screw one (15) is bolted in the tightening hole one (23), it is described tight
Determine to be bolted with holding screw two (16) in hole two (24).
7. the synchronous belt transmission device on sewing machine according to claim 6, which is characterized in that the toothed belt transmission dress
Setting further includes one long synchronization wheel shaft (6) and two short synchronization wheel shaft (11), and the both ends of the long synchronization wheel shaft (6) are all provided with
Rear synchronous wheel seat (4) and rear synchronizing wheel (3) are stated, the rear synchronizing wheel (3) is set in the both ends of the long synchronization wheel shaft (6)；
Be arranged with the preamble wheel (1) on each short synchronization wheel shaft (11), two short synchronization wheel shafts (11) side by side between
Every setting and the preamble wheel (1) and it is described afterwards synchronizing wheel (3) be arranged in a one-to-one correspondence, the synchronous belt (5) is correspondingly arranged on
Two groups.
8. the synchronous belt transmission device on sewing machine according to claim 7, which is characterized in that the preamble wheel (1)
And symmetrical synchronizing wheel baffle (10) there are two being respectively provided in the rear synchronizing wheel (3)；The synchronizing wheel (3) is located at opposite two
Between a synchronizing wheel baffle (10)；Between the preamble wheel (1) and the short synchronization wheel shaft (11), it is described after synchronizing wheel (3)
Bearing one (12) is equipped between the long synchronization wheel shaft (6)；On the rotation axis one (13) and rotation axis two (14)
It is arranged with bearing two (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147558.0U CN209619627U (en) | 2019-01-28 | 2019-01-28 | A kind of synchronous belt transmission device on sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147558.0U CN209619627U (en) | 2019-01-28 | 2019-01-28 | A kind of synchronous belt transmission device on sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209619627U true CN209619627U (en) | 2019-11-12 |
Family
ID=68452144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920147558.0U Active CN209619627U (en) | 2019-01-28 | 2019-01-28 | A kind of synchronous belt transmission device on sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209619627U (en) |
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2019
- 2019-01-28 CN CN201920147558.0U patent/CN209619627U/en active Active
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