CN215628673U - Embroidery machine embroidery frame drive gear clearance adjustment mechanism and embroidery machine - Google Patents
Embroidery machine embroidery frame drive gear clearance adjustment mechanism and embroidery machine Download PDFInfo
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- CN215628673U CN215628673U CN202120827543.6U CN202120827543U CN215628673U CN 215628673 U CN215628673 U CN 215628673U CN 202120827543 U CN202120827543 U CN 202120827543U CN 215628673 U CN215628673 U CN 215628673U
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Abstract
The utility model discloses an embroidery machine tabouret driving gear gap adjusting mechanism and an embroidery machine, which comprise a gear box, a first gear shaft and a second gear shaft, wherein the first gear shaft and the second gear shaft are arranged on the gear box, a first gear is arranged on the first gear shaft, a second gear is arranged on the second gear shaft, the first gear and the second gear are in meshing transmission, two ends of the first gear shaft are correspondingly supported on two eccentric bearings, an angle adjusting structure is arranged between the outer rings of the eccentric bearings and the gear box, and the outer rings of the two eccentric bearings rotate by the same angle through the adjustment of the angle adjusting structure, so that the gap between the first gear and the second gear is adjusted. According to the technical scheme, the two eccentric bearings at the two ends synchronously adjust the angle, the effect of adjusting the gear clearance is achieved, and the operation is greatly simplified.
Description
Technical Field
The utility model relates to the technical field of embroidery machines, in particular to an embroidery frame drive.
Background
The embroidery machine adopts the gear box to drive the embroidery frame, and the gear reciprocates, so that the requirement on the gear clearance is higher. As a common gap adjusting mode at present, staggered tooth adjustment is common, and referring to the chinese patent of application publication No. CN103789943A, a driving shaft and a driven shaft are arranged in a gearbox box, the driving shaft is driven by a motor to rotate, the driving shaft and the driven shaft are in meshing transmission through gears, the motor is a servo motor, a driving gear is fixed on the driving shaft, and a pair of staggered tooth gear sets is arranged on the driven shaft and is in gapless meshing with the driving gear. The staggered gear set comprises a front gear and a rear gear, the front gear and the rear gear are coaxially fixed on the driven shaft, and the teeth of the front gear and the rear gear are staggered by a certain distance in the circumferential direction and are meshed with the teeth of the driving gear. However, in the adjusting mode, the gear box needs to be disassembled, and then the staggered gear set is adjusted, so that the adjustment is inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a driving gear gap adjusting mechanism of an embroidery machine embroidery frame, which can simplify the operation.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides an embroidery machine embroidery frame drive gear clearance adjustment mechanism, includes the gear box, installs first gear shaft and the second gear shaft in the gear box, install first gear on the first gear shaft, install the second gear on the second gear shaft, first gear and second gear meshing transmission, the both ends of first gear shaft correspond and support on two eccentric bearings, are equipped with angle modulation structure between eccentric bearing's outer lane and the gear box, and the regulation through angle modulation structure makes the outer lane of two eccentric bearings rotatory the same angle to adjust the clearance of first gear and second gear.
Preferably, the angle adjusting structure is including locating the adjusting screw hole of the shaft hole circumference equipartition of first gear shaft on the gear box, eccentric bearing's outer lane is equipped with the fixed orifices, adjusting screw is connected to the fixed orifices, adjusting screw and adjusting screw hole cooperation.
Preferably, the outer ring of the eccentric bearing is integrally connected with a flange plate, and the fixing hole is formed in the flange plate.
Preferably, the shaft hole of the first gear shaft is a step hole, the step hole comprises an inner end step surface and an outer end opening step surface, one end of the eccentric bearing is supported on the inner end step surface, and the flange plate at the other end is supported on the outer end opening step surface.
Preferably, the outer side surface of the flange plate is provided with a reference mark for observing the circumferential relative position of the eccentric bearing.
Preferably, the reference mark is a reference well.
Preferably, the first gear is a double-row gear, and a staggered-tooth adjusting structure is arranged between the double-row gears.
Preferably, the diameter of the first gear is larger than that of the second gear, and the second gear shaft are integrally machined.
Preferably, the distance between two adjacent adjusting threaded holes is 30 degrees.
According to the technical scheme, two eccentric bearings are respectively arranged at two ends of the first gear shaft, the two eccentric bearings at the two ends synchronously adjust the angle, the first gear shaft moves in the radial direction, the effect of adjusting the gap between the first gear and the second gear is achieved, the angle adjusting structure can be operated outside the gear box, the gear box does not need to be disassembled, and therefore the operation is greatly simplified relative to the staggered-tooth adjusting structure.
The following detailed description and the accompanying drawings are included to provide a further understanding of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and the detailed description below:
FIG. 1 is a schematic structural view of a gap adjustment mechanism for driving gears of an embroidery frame according to the present invention;
FIG. 2 is a schematic structural view of an eccentric bearing;
in the figure: 1-gear box, 10-shaft hole, 101-adjusting threaded hole, 11-first gear shaft, 111-first gear, 12-second gear shaft, 121-second gear, 2-eccentric bearing, 20-flange plate, 21-fixing hole and 22-reference hole.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
As shown in fig. 1 and 2, the mechanism for adjusting the gap between the drive gears of the embroidery frame of the embroidery machine comprises a gear box 1, and a first gear shaft 11 and a second gear shaft 12 which are installed on the gear box 1, wherein a first gear 111 is installed on the first gear shaft 11, a second gear 121 is installed on the second gear shaft 12, the first gear 111 and the second gear 121 are in meshing transmission, two ends of the first gear shaft 11 are correspondingly supported on two eccentric bearings 2, an angle adjusting structure is arranged between the outer rings of the eccentric bearings 2 and the gear box 1, and the angle adjusting structure adjusts the outer rings of the two eccentric bearings 2 to rotate at the same angle, so that the first gear shaft 11 moves radially, and the gap between the first gear 111 and the second gear 121 is adjusted.
Wherein, the gear box 1 is composed of a box body and a box cover. One of the two eccentric bearings is arranged on the box body, and the other eccentric bearing is arranged on the box cover.
As an embodiment, the angle adjusting structure comprises a plurality of adjusting threaded holes 101 circumferentially and uniformly distributed on the gear box 1 along the shaft hole 10 of the first gear shaft 11, the outer ring of the eccentric bearing 2 is provided with a fixing hole 21, the fixing hole 21 is connected with an adjusting screw, and the adjusting screw is in threaded fit with the adjusting threaded holes. After the adjusting screw is unscrewed, the eccentric bearing 2 can be rotationally adjusted, and after the adjusting screw is adjusted in place, the adjusting screw is screwed again, and the position is fixed. The angle adjusting structure can be operated outside the gear box, the gear box does not need to be disassembled, and therefore the structure is adjusted in a staggered mode, and operation is greatly simplified.
As shown in fig. 2, a flange 20 is integrally connected to an outer ring of the eccentric bearing 2, and the fixing hole 21 is provided in the flange 20.
Further, the shaft hole 10 of the first gear shaft is a step hole, and the step hole comprises an inner end step surface and an outer port step surface. One end of the eccentric bearing 2 is supported on the inner end step surface, the flange plate 20 arranged at the other end is supported on the outer port step surface, and correspondingly, the adjusting threaded hole 101 is arranged on the outer port step surface.
In this embodiment, three fixing holes 21 are uniformly distributed on the flange 20, 12 adjusting threaded holes 101 are arranged on the step surface of the outer port, and the distance between two adjacent adjusting threaded holes is 30 degrees, so that the flange can rotate by at least 30 degrees in each adjustment. Of course, the number and the angle of the interval between the fixing holes 21 and the adjusting screw holes 101 are not limited to those of the present embodiment.
In order to ensure synchronous and equidirectional adjustment of the eccentric bearings at the two ends, in order to avoid errors in the adjustment direction and the adjustment position, a reference mark for observing the circumferential relative position of the eccentric bearing 2 is arranged on the outer side surface of the flange plate 20. As shown in fig. 2, in the embodiment, the reference mark is a reference hole 22. Because the flange 20 is uniformly provided with three fixing holes 21, two reference holes 22 are provided, and the two reference holes 22 are correspondingly provided at two sides of one of the fixing holes 21, so that the position of the fixing hole 21 can be used as a reference, for example, after adjustment, the position of the fixing hole 21 is on the upper side, and then the positions of the fixing holes 21 on the eccentric bearings 2 at two ends are on the upper side, which is correct.
It will be appreciated that the first and second gears are cylindrical gears in a conventional manner. The first gear is used as a driving gear, the second gear is used as a driven gear, and the diameter of the first gear is larger than that of the second gear. The second gear and the second gear shaft are integrally processed.
Example two
On the basis of the first embodiment, referring to the prior art, the first gear is a double-row gear, and a staggered tooth adjusting structure is arranged between the double-row gear. In order to adjust the gear clearance, the adjustment of the offset teeth may be performed, the adjustment of the eccentric bearing may be performed, or both may be performed simultaneously. For example, during initial assembly, staggered tooth adjustment is firstly carried out, and during a period of use, when gear abrasion occurs, adjustment is carried out through an eccentric bearing.
EXAMPLE III
An embroidery machine comprises the embroidery machine embroidery frame driving gear gap adjusting mechanism described in the first embodiment and the second embodiment.
While the utility model has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the utility model as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides an embroidery machine embroidery frame drive gear clearance adjustment mechanism, includes the gear box, installs in the first gear axle and the second gear axle of gear box, install first gear on the first gear axle, install the second gear on the second gear axle, first gear and second gear meshing transmission, its characterized in that: the two ends of the first gear shaft are correspondingly supported on the two eccentric bearings, an angle adjusting structure is arranged between the outer rings of the eccentric bearings and the gear box, and the outer rings of the two eccentric bearings rotate by the same angle through adjustment of the angle adjusting structure, so that the gap between the first gear and the second gear is adjusted.
2. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 1, characterized in that: the angle adjusting structure is including locating the adjusting screw hole of the shaft hole circumference equipartition of first gear shaft on the gear box, eccentric bearing's outer lane is equipped with the fixed orifices, adjusting screw is connected to the fixed orifices, adjusting screw and adjusting screw hole cooperation.
3. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 2, wherein: the outer ring of the eccentric bearing is integrally connected with a flange plate, and the flange plate is arranged in the fixing hole.
4. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 3, wherein: the shaft hole of first gear shaft is the step hole, the step hole includes inner step face and outer port step face, and eccentric bearing's one end is supported on inner step face, and the ring flange of the other end supports on outer port step face.
5. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 3, wherein: and the outer side surface of the flange plate is provided with a reference mark for observing the circumferential relative position of the eccentric bearing.
6. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 5, wherein: the reference mark is a reference hole.
7. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 1, characterized in that: the first gear is a double-row gear, and a staggered tooth adjusting structure is arranged between the double-row gear.
8. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 1, characterized in that: the diameter of the first gear is larger than that of the second gear, and the second gear shaft are integrally machined.
9. The embroidery machine embroidery frame driving gear gap adjusting mechanism according to claim 2, wherein: the distance between two adjacent adjusting threaded holes is 30 degrees.
10. Embroidery machine, its characterized in that: comprising an embroidery machine embroidery frame drive gear gap adjustment mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120827543.6U CN215628673U (en) | 2021-04-22 | 2021-04-22 | Embroidery machine embroidery frame drive gear clearance adjustment mechanism and embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120827543.6U CN215628673U (en) | 2021-04-22 | 2021-04-22 | Embroidery machine embroidery frame drive gear clearance adjustment mechanism and embroidery machine |
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| Publication Number | Publication Date |
|---|---|
| CN215628673U true CN215628673U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120827543.6U Active CN215628673U (en) | 2021-04-22 | 2021-04-22 | Embroidery machine embroidery frame drive gear clearance adjustment mechanism and embroidery machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116103851A (en) * | 2022-12-14 | 2023-05-12 | 浙江兆山机电有限公司 | Embroidery machine presser foot needle bar control device |
| CN117366201A (en) * | 2023-12-06 | 2024-01-09 | 智道铁路设备有限公司 | Gear box and gear clearance adjusting and measuring device thereof |
-
2021
- 2021-04-22 CN CN202120827543.6U patent/CN215628673U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116103851A (en) * | 2022-12-14 | 2023-05-12 | 浙江兆山机电有限公司 | Embroidery machine presser foot needle bar control device |
| CN116103851B (en) * | 2022-12-14 | 2024-05-07 | 浙江兆山机电有限公司 | Embroidery machine presser foot needle bar control device |
| CN117366201A (en) * | 2023-12-06 | 2024-01-09 | 智道铁路设备有限公司 | Gear box and gear clearance adjusting and measuring device thereof |
| CN117366201B (en) * | 2023-12-06 | 2024-02-13 | 智道铁路设备有限公司 | Backlash adjusting and measuring device |
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