CN213117323U - Special gearbox for threading machine - Google Patents
Special gearbox for threading machine Download PDFInfo
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- CN213117323U CN213117323U CN202021777844.4U CN202021777844U CN213117323U CN 213117323 U CN213117323 U CN 213117323U CN 202021777844 U CN202021777844 U CN 202021777844U CN 213117323 U CN213117323 U CN 213117323U
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Abstract
A special gearbox for a threading machine relates to a gearbox. The motor output shaft transmission mechanism comprises a box body and a transmission mechanism, wherein one end of the box body is larger, the other end of the box body is smaller, an input shaft extension hole for inserting a motor rotating shaft is formed in the smaller end of the box body, and an output shaft extension hole for extending an output shaft is formed in the larger end of the box body; the transmission mechanism comprises a transmission shaft and at least two transmission gears fixed on the transmission shaft, the transmission mechanisms are sequentially arranged in a staggered manner from front to back, and at least one group of transmission gears of the two transmission mechanisms adjacent to each other in front and back is meshed with each other; the central axes of the transmission shafts are parallel to each other, the transmission gear of the transmission shaft positioned at the forefront is meshed with the gear fixed on the motor rotating shaft, the transmission gear positioned at the rearmost is used as an output shaft, and the part of the output shaft extends out of the output shaft extending hole. This patent is laying under the condition of the same drive mechanism, and is littleer to the volume requirement of box.
Description
Technical Field
The utility model relates to an electromechanical field, concretely relates to gearbox.
Background
The transmission is a gear transmission device, also called a gearbox, that changes the transmission ratio of an output shaft and an input shaft. Currently, transmissions are classified into a fixed output type and a shift output type according to a difference in gear ratio of an output. No matter which kind of gearbox, all there is the gearbox structure unreasonable, when using on the mantle fiber machine, area is big, is unfavorable for the miniaturized problem of mantle fiber machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special gearbox of mantle fiber machine to solve above-mentioned technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
the special gearbox for the threading machine comprises a box body and a transmission mechanism, and is characterized in that one end of the box body is larger, the other end of the box body is smaller, an input shaft extending hole for inserting a motor rotating shaft is formed in the smaller end of the box body, and an output shaft extending hole for extending an output shaft is formed in the larger end of the box body;
the transmission mechanism comprises a transmission shaft and at least two transmission gears fixed on the transmission shaft, the transmission mechanisms are sequentially arranged in a staggered manner from front to back, and at least one group of transmission gears of the two transmission mechanisms adjacent to each other in front and back is meshed with each other;
the central axes of the transmission shafts are parallel to each other, the transmission gear of the transmission shaft positioned at the forefront is meshed with the gear fixed on the motor rotating shaft, the transmission gear positioned at the rearmost is used as an output shaft, and the part of the output shaft extends out of the output shaft extending hole.
Firstly, the transmission mechanism position is optimized by utilizing the staggering of the transmission shafts, so that more transmission mechanisms can be arranged under the condition of the same volume, or the volume requirement on the box body is smaller under the condition of arranging the same transmission mechanisms, and the occupied area is smaller when the box is used on a threading machine.
Secondly, this patent has optimized the structure of box, it is big through adopting one end, one little structure, make the weight of stub end be less than the stub end, then the stub end has been selected with the input shaft stretch-in hole, thereby it is located the stub end to inject motor shaft, and then inject the motor and fix at the stub end, on the one hand, when the motor is connected with the gearbox, the lighter stub end of weight more conveniently shifts, thereby make being connected of motor and gearbox more laborsaving, on the other hand, behind the fixed motor, the weight of motor can effectively be balanced to the weight of stub end, thereby the whole that makes motor and gearbox form is more stable when the operation, and then allow this patent to use on less mantle fiber machine support.
As a preferable scheme, the number of the transmission mechanisms is three, and the transmission mechanisms are a first transmission mechanism, a second transmission mechanism and a third transmission mechanism in sequence from front to back;
the first transmission mechanism comprises a first transmission shaft, a first driving gear is sleeved on the first transmission shaft, the first driving gear is meshed with a gear fixed on a motor rotating shaft, and a first driven gear is further sleeved on the first transmission shaft;
the second transmission mechanism comprises a second transmission shaft, at least two second transmission gears are sleeved on the second transmission shaft, the first driven gear is meshed with one of the second transmission gears, and the transmission ratio of each second transmission gear is different;
the third transmission mechanism comprises a third transmission shaft, a third transmission gear is sleeved on the third transmission shaft and meshed with one of the second transmission gears, and the third transmission shaft is an output shaft;
and a connecting line passing through the center lines of the first transmission shaft and the second transmission shaft is not on the same line with a connecting line passing through the centers of the second transmission shaft and the third transmission shaft.
When the driving mechanism is used, the first driving gear drives the first transmission shaft to rotate, the first transmission shaft drives the first driven gear to rotate, the first driven gear drives the second transmission gear meshed with the first driven gear to rotate, the second transmission gear meshed with the second transmission gear drives the second transmission shaft to rotate, the second transmission shaft drives the second transmission gear which is not meshed with the first driven gear to rotate, the second transmission gear meshed with the third transmission gear drives the third transmission gear to rotate, and the third transmission gear drives the third rotating shaft to rotate. This patent has increased the quantity of first drive mechanism, second drive mechanism's drive gear to just can realize the change of a rotational speed in same drive mechanism, and then higher to the adjustment precision of rotational speed.
As another preferable scheme, on the basis of the above scheme, two third transmission gears are provided, which are respectively a fourth transmission gear sleeved on the upper portion of the third transmission shaft and a fifth transmission gear sleeved on the lower portion of the third transmission shaft, the fourth transmission gear and the fifth transmission gear are rotatably connected with the third transmission shaft, the fourth transmission gear and the fifth transmission gear are respectively engaged with one second transmission gear, and the transmission ratios of the fourth transmission gear and the fifth transmission gear are different;
the special gearbox for the threading machine further comprises the gear shifting mechanism, the gear shifting mechanism comprises a driving rod and a combiner, the combiner is cylindrical, an annular groove with an outward opening is formed in the middle of the combiner, the combiner is sleeved on the third transmission shaft, the combiner is located between the fourth transmission gear and the fifth transmission gear, one end of the driving rod extends into the annular groove, and the other end of the driving rod extends out of the box body through a driving rod extending hole formed in the box body;
a first clamping piece is arranged between the fourth transmission gear and the combiner, and the fourth transmission gear can drive the combiner to rotate through the first clamping piece;
a second clamping piece is arranged between the fifth transmission gear and the combiner, and the fifth transmission gear can drive the combiner to rotate through the second clamping piece;
a first limiting piece is arranged between the combiner and the third transmission shaft, and the first limiting piece enables the combiner to drive the third transmission shaft to rotate and to slide up and down along the rotating shaft;
the driving rod drives the combiner to slide up and down and is selectively connected with one of the fourth transmission gear and the fifth transmission gear.
This scheme provides the structure of the minimum gearbox of a variable-speed gear, during the use, slides from top to bottom along the pivot through actuating lever drive combiner, and when the combiner was connected with fourth drive gear, fourth drive gear drove the combiner and rotates, and the combiner drives the pivot and rotates, and when the combiner was connected with fifth drive gear, fifth drive gear drove the combiner and rotates, and the combiner drives the pivot and rotates. The structure of the clutch is optimized to this patent, through the annular groove on it, provides the space for the actuating lever, and the operation of actuating lever does not influence the rotation of clutch, consequently allows at motor pivoted in-process, does not shut down the change that connects the gear under the condition, and then realizes the change of output rotational speed.
Preferably, a downward first annular bulge is arranged on the lower end face of the fourth transmission gear, and first notches are formed in the first annular bulge at equal intervals;
an upward second annular bulge is arranged on the upper end surface of the combiner at a position corresponding to the first annular bulge, and second notches are formed in the second annular bulge at equal intervals;
the convex part between two adjacent first notches can be inserted into the second notch;
the first clamping piece is formed by the first annular bulge and the second annular bulge;
an upward third annular bulge is arranged on the upper end face of the fifth transmission gear, and third notches are formed in the third annular bulge at equal intervals;
a downward fourth annular bulge is arranged at a position, corresponding to the third annular bulge, on the lower end surface of the combiner, and fourth notches are formed in the fourth annular bulge at equal intervals;
the convex part between two adjacent third gaps can be inserted into the fourth gap;
the third annular bulge and the fourth annular bulge form the second clamping piece;
the first limiting part comprises a strip-shaped protrusion and a strip-shaped groove matched with the strip-shaped protrusion, the strip-shaped protrusion is fixed on any one of the outer side wall of the third transmission shaft or the inner side wall of the combiner, and the strip-shaped groove is formed in the other one of the outer side wall of the third transmission shaft or the inner side wall of the combiner;
the extending directions of the strip-shaped protrusions and the strip-shaped grooves are the same as the axial direction of the third transmission shaft.
Preferably, the case body is composed of a groove with an upward opening and an end cover for sealing the groove opening, the input shaft extending hole is formed in the groove bottom of the groove, the output shaft extending hole is formed in the end cover, and the driving rod extending hole is formed in the side wall of the groove and is close to one end of the output shaft extending hole. This convenience makes motor and output shaft be located the both sides of box respectively, is favorable to the balance of both sides power, reduces rocking of mantle fiber machine in the use, and more crucial has guaranteed the area of output shaft department, can avoid the motor to the occuping of output shaft one side space, makes the mantle fiber operation more convenient.
Further preferably, the driving rod comprises an arc-shaped body at least wrapping one half of the annular groove, a first connecting rod with one end connected with the arc-shaped body, and a second connecting rod arranged in parallel with the first connecting rod,
the driving rod further comprises a blocky connecting block, two through holes which are parallel to each other are formed in the connecting block, the other end, which is not connected with the arc-shaped body, of the first connecting rod extends into one of the through holes and is rotatably connected with the through hole, and one end of the second connecting rod extends into the other remaining through hole and is fixedly connected with the through hole;
the arc-shaped body is positioned in the annular groove, and the other end of the second connecting rod penetrates through the driving rod extending hole and extends out of the box body.
Still further preferably, two branches extend from one end of the second connecting rod, which is positioned outside the box body; or one end of the second connecting rod, which is positioned outside the box body, is connected with a knob or a handle. To facilitate twisting of the second link through the two bifurcations. Or a knob or a handle can be directly connected without a fork.
As another preferable scheme, the number of the first transmission mechanisms is multiple, the multiple first transmission mechanisms are sequentially arranged in a staggered manner from front to back, a first driven gear of the first transmission mechanism located at the front relative to the first transmission mechanism is meshed with a first driving gear of the first transmission mechanism located at the lower relative to the first transmission mechanism, a first driving gear of the first transmission mechanism located at the frontmost relative to the first driving gear is meshed with a gear on a rotating shaft of the motor, and a first driven gear of the first transmission mechanism located at the rearmost relative to the first transmission mechanism is meshed with a second transmission gear of the second transmission mechanism.
In each of the above preferred embodiments, the case is provided with a disk-shaped connecting plate at a smaller end, a communication hole is formed at the center of the connecting plate, and the central axis of the communication hole coincides with the central axis of the input shaft insertion hole;
the aperture of the input shaft extending hole is larger than that of the communicating hole, a rubber gasket is arranged at the joint of the input shaft extending hole and the communicating hole, and bolt holes for connecting a motor are formed in the periphery of the connecting disc. So that grease in the gearbox is prevented from flowing out along the rotating shaft of the motor by the rubber gasket.
Preferably, the box body is provided with a blind hole or a through hole for accommodating the end part of the transmission shaft at the position of the transmission shaft;
the box body is provided with an oil filling hole, one end of the oil filling hole is communicated with the inside of the box body, the other end of the oil filling hole is communicated with the outside, and the oil filling hole is formed in the blind hole or takes a through hole as the oil filling hole;
and a plug for sealing the oil filling hole is arranged at the oil filling hole.
Thereby allowing the lubricating oil to be replenished into the tank body without stopping the machine.
Drawings
FIG. 1 is a schematic view of a portion of a structure of the present invention;
FIG. 2 is a schematic view of a drive rod;
FIG. 3 is a cross-sectional view at the third gear train;
FIG. 4 is a schematic diagram of a structure of the linker;
FIG. 5 is a schematic diagram of a fifth transfer gear;
FIG. 6 is a schematic view of a third shaft;
fig. 7 is a partial structural schematic diagram of another structure of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the special gearbox for the threading machine comprises a box body 1 and a transmission mechanism, wherein one end of the box body 1 is larger, the other end of the box body is smaller, an input shaft extending hole 2 for inserting a motor rotating shaft is formed in the smaller end of the box body, and an output shaft extending hole for extending an output shaft is formed in the larger end of the box body; the transmission mechanism comprises a transmission shaft and at least two transmission gears fixed on the transmission shaft, the transmission mechanisms are sequentially arranged in a staggered manner from front to back, and at least one group of transmission gears of the two transmission mechanisms adjacent to each other in front and back is meshed with each other; the central axes of the transmission shafts are parallel to each other, the transmission gear of the transmission shaft positioned at the forefront is meshed with the gear fixed on the motor rotating shaft, the transmission gear positioned at the rearmost is used as an output shaft, and the part of the output shaft extends out of the output shaft extending hole. Firstly, the transmission mechanism position is optimized by utilizing the staggering of the transmission shafts, so that more transmission mechanisms can be arranged under the condition of the same volume, or the volume requirement on the box body 1 is smaller under the condition of arranging the same transmission mechanisms, and the occupied area is smaller when the box is used on a threading machine. Secondly, this patent has optimized the structure of box 1, it is big through adopting one end, one little structure, make the weight of stub end be less than the stub end, then the stub end has been selected with input shaft stretch-in hole 2, thereby it is located the stub end to inject motor shaft, and then inject the motor and fix at the stub end, on the one hand, when the motor is connected with the gearbox, the lighter stub end of weight more conveniently shifts, thereby it is more laborsaving to make being connected of motor and gearbox, on the other hand, behind the fixed motor, the weight of big stub end can effectively balance the weight of motor, thereby the whole that makes motor and gearbox form is more stable when the operation, and then allow this patent to use on less mantle fiber machine support.
Detailed description of the preferred embodiment 1
The three transmission mechanisms are a first transmission mechanism, a second transmission mechanism and a third transmission mechanism in sequence from front to back; the first transmission mechanism comprises a first transmission shaft 4, a first driving gear is sleeved on the first transmission shaft 4, the first driving gear is meshed with a gear fixed on a motor rotating shaft, and a first driven gear 3 is further sleeved on the first transmission shaft 4; the second transmission mechanism comprises a second transmission shaft 5, at least two second transmission gears are sleeved on the second transmission shaft 5, the first driven gear 3 is meshed with one of the second transmission gears, and the transmission ratios of the second transmission gears are different; the third transmission mechanism comprises a third transmission shaft 6, a third transmission gear is sleeved on the third transmission shaft 6 and meshed with one of the second transmission gears, and the third transmission shaft 6 is an output shaft; the connecting line of the center lines of the first transmission shaft 4 and the second transmission shaft 5 is not on the same line with the connecting line of the centers of the second transmission shaft 5 and the third transmission shaft 6. The first transmission shaft 4 is fixedly connected with the first driving gear and the first driven gear 3, the second transmission shaft 5 is fixedly connected with the second transmission gear, and the third transmission shaft 6 is fixedly connected with the third transmission gear. The fixed connection means that the two can be mutually and directly driven to rotate.
When the transmission device is used, the first driving gear drives the first transmission shaft 4 to rotate, the first transmission shaft 4 drives the first driven gear 3 to rotate, the first driven gear 3 drives the second transmission gear meshed with the first driven gear to rotate, the second transmission gear meshed with the second driven gear drives the second transmission shaft 5 to rotate, the second transmission shaft 5 drives the second transmission gear which is not meshed with the first driven gear 3 to rotate, the second transmission gear meshed with the third transmission gear drives the third transmission gear to rotate, and the third transmission gear drives the third rotating shaft to rotate. This patent has increased the quantity of first drive mechanism, second drive mechanism's drive gear to just can realize the change of a rotational speed in same drive mechanism, and then higher to the adjustment precision of rotational speed.
Specific example 2
The three transmission mechanisms are a first transmission mechanism, a second transmission mechanism and a third transmission mechanism in sequence from front to back; the first transmission mechanism comprises a first transmission shaft 4, a first driving gear is sleeved on the first transmission shaft 4, the first driving gear is meshed with a gear fixed on a motor rotating shaft, and a first driven gear 3 is further sleeved on the first transmission shaft 4; the second transmission mechanism comprises a second transmission shaft 5, at least two second transmission gears are sleeved on the second transmission shaft 5, the first driven gear 3 is meshed with one of the second transmission gears, and the transmission ratio of each second transmission gear is different. The connecting line of the center lines of the first transmission shaft 4 and the second transmission shaft 5 is not on the same line with the connecting line of the centers of the second transmission shaft 5 and the third transmission shaft 6. The third transmission mechanism comprises a third transmission shaft 6, a third transmission gear is sleeved on the third transmission shaft 6 and meshed with one of the second transmission gears, and the third transmission shaft 6 is an output shaft; the number of the third transmission gears is two, the fourth transmission gear 13 is sleeved on the upper portion of the third transmission shaft 6, the fifth transmission gear 11 is sleeved on the lower portion of the third transmission shaft 6, the fourth transmission gear 13 and the fifth transmission gear 11 are rotatably connected with the third transmission shaft 6, and the fourth transmission gear 13 and the fifth transmission gear 11 can be connected through a bearing 15 to reduce rotating energy consumption. The fourth transmission gear 13 and the fifth transmission gear 11 are respectively meshed with a second transmission gear, and the transmission ratio of the fourth transmission gear 13 and the fifth transmission gear 11 is different.
The special gearbox for the threading machine further comprises a gear shifting mechanism, the gear shifting mechanism comprises a driving rod and a combiner 12, the combiner 12 is cylindrical, an annular groove 17 with an outward opening is formed in the middle of the combiner 12, the combiner 12 is sleeved on the third transmission shaft 6, the combiner 12 is located between the fourth transmission gear 13 and the fifth transmission gear 11, one end of the driving rod extends into the annular groove 17, and the other end of the driving rod extends out of the box body 1 through a driving rod extending hole formed in the box body 1; a first clamping piece is arranged between the fourth transmission gear and the combiner, and the fourth transmission gear can drive the combiner to rotate by the first clamping piece; a second clamping piece is arranged between the fifth transmission gear and the combiner, and the fifth transmission gear can drive the combiner to rotate through the second clamping piece; a first limiting piece is arranged between the combiner and the third transmission shaft 6, and the first limiting piece enables the combiner to drive the third transmission shaft 6 to rotate and to slide up and down along the rotating shaft; the driving rod drives the combiner to slide up and down and is selectively connected with one of the fourth transmission gear and the fifth transmission gear.
This scheme provides the structure of the minimum gearbox of a variable-speed gear, during the use, slides from top to bottom along the pivot through actuating lever drive combiner, and when the combiner was connected with fourth drive gear, fourth drive gear drove the combiner and rotates, and the combiner drives the pivot and rotates, and when the combiner was connected with fifth drive gear, fifth drive gear drove the combiner and rotates, and the combiner drives the pivot and rotates. The structure of the clutch is optimized to this patent, through the annular groove on it, provides the space for the actuating lever, and the operation of actuating lever does not influence the rotation of clutch, consequently allows at motor pivoted in-process, does not shut down the change that connects the gear under the condition, and then realizes the change of output rotational speed.
Preferably, a downward first annular bulge is arranged on the lower end face of the fourth transmission gear, and first notches are formed in the first annular bulge at equal intervals; the upper end surface of the combiner is provided with a second upward annular bulge at a position corresponding to the first annular bulge, and the second annular bulge is provided with second notches at equal intervals; the convex part 18 between two adjacent first notches can be inserted into the second notch; the first annular bulge and the second annular bulge form a first clamping piece; an upward third annular bulge is arranged on the upper end face of the fifth transmission gear, and third notches are formed in the third annular bulge at equal intervals; a downward fourth annular bulge 16 is arranged at a position, corresponding to the third annular bulge, on the lower end surface of the combiner, and fourth notches are formed in the fourth annular bulge at equal intervals; the convex part 19 between two adjacent third gaps can be inserted into the fourth gap; the third annular bulge and the fourth annular bulge form a second clamping piece; the first limiting part comprises a strip-shaped protrusion 14 and a strip-shaped groove matched with the strip-shaped protrusion, the strip-shaped protrusion 14 is fixed on any one of the outer side wall of the third transmission shaft 6 or the inner side wall of the combiner, and the strip-shaped groove is formed in the other one of the outer side wall of the third transmission shaft 6 or the inner side wall of the combiner; the extending direction of the strip-shaped bulges and the strip-shaped grooves is the same as the axial direction of the third transmission shaft 6. Of course, other connection means may be used, such as a structure with a protrusion on one and a slot on the other, and for example, the end surface is radially wavy.
The driving rod can comprise an arc-shaped body 8 at least wrapping one half of the annular groove, a first connecting rod with one end connected with the arc-shaped body, and a second connecting rod 10 arranged in parallel with the first connecting rod, the driving rod also comprises a blocky connecting block 9, two through holes which are parallel to each other are formed in the connecting block 9, the other end of the first connecting rod, which is not connected with the arc-shaped body, extends into one of the through holes and is rotatably connected with the through hole, and one end of the second connecting rod 10 extends into the other remaining through hole and is fixedly connected with the through hole; the arc-shaped body 8 is positioned in the annular groove, and the other end of the second connecting rod penetrates through the driving rod extending hole to extend out of the box body 1. Preferably, one end of the second connecting rod, which is positioned outside the box body 1, extends to form two branches; or, one end of the second connecting rod, which is positioned outside the box body 1, is connected with a knob or a handle. To facilitate twisting of the second link through the two bifurcations. Or a knob or a handle can be directly connected without a fork.
Specific example 3
On the basis of the specific embodiments 1 and 2, a plurality of first transmission mechanisms are provided, the plurality of first transmission mechanisms are sequentially arranged in a staggered manner from front to back, the first driven gear 3 of the first transmission mechanism positioned in the front relative to the first transmission mechanism is meshed with the first driving gear of the first transmission mechanism positioned in the lower relative to the first transmission mechanism, the first driving gear of the first transmission mechanism positioned in the frontmost relative to the first transmission mechanism is meshed with the gear on the rotating shaft of the motor, and the first driven gear 3 of the first transmission mechanism positioned in the rearmost relative to the first transmission mechanism is meshed with one second transmission gear of the second transmission mechanism.
In the above preferred embodiments, the case 1 is provided with a disk-shaped connecting disc 21 at the smaller end, a communication hole 20 is formed at the center of the connecting disc 21, and the central axis of the communication hole 20 coincides with the central axis of the input shaft insertion hole 2; the aperture of the input shaft extending hole 2 is larger than that of the communicating hole 20, a rubber gasket is arranged at the joint of the input shaft extending hole 2 and the communicating hole, and bolt holes for connecting a motor are formed in the periphery of the connecting disc. So that grease in the gearbox is prevented from flowing out along the rotating shaft of the motor by the rubber gasket. The rubber gasket is preferably provided with an annular groove with a V-shaped end surface and an inward opening on one side close to the inner side of the box body 1, so that the extrusion force of the rotating shaft of the motor can be released on one hand, and the grease can be guided to flow back into the box body 1 on the other hand. The case 1 has an arc-shaped inner contour at the smaller end, and the case 1 also has an arc-shaped inner contour at the larger end. The communicating hole may be formed at the top end of the larger end of the case 1 or may be formed in the side wall of the larger end of the case 1.
Preferably, the box body 1 is provided with a blind hole or a through hole for accommodating the end part of the transmission shaft at the position of the transmission shaft; an oil filling hole is formed in the box body 1, one end of the oil filling hole is communicated with the inside of the box body 1, the other end of the oil filling hole is communicated with the outside, and the oil filling hole is formed in the blind hole or takes the through hole as the oil filling hole; the oil filling hole is provided with a plug for sealing the oil filling hole. Thereby allowing the lubricating oil to be replenished into the tank 1 without stopping the machine.
The box body 1 is composed of a groove with an upward opening and an end cover used for sealing the groove opening, an input shaft extending hole 2 is formed in the groove bottom of the groove, an output shaft extending hole is formed in the end cover, and a driving rod extending hole is formed in the side wall of the groove and is close to one end of the output shaft extending hole. This convenience makes motor and output shaft be located the both sides of box 1 respectively, is favorable to the balance of both sides power, reduces rocking of mantle fiber machine in the use, and more crucial has guaranteed the area of output shaft department, can avoid the motor to the occuping of output shaft one side space, makes the mantle fiber operation more convenient. The lateral wall of the groove is provided with an outward bulge, the bulge is provided with a bolt hole 7, and the end cover can also be provided with a bolt hole at the corresponding position. One of which is located at the end of the smaller end of the tank 1.
Remarking: the term "front-back" in this patent refers to the front-back of the force transmission direction. The 'staggered' of the patent means that the central axes of the three transmission shafts adjacent to each other in the front and the back are not on the same plane. Further preferably, each transmission shaft is arranged in a wavy manner, and one transmission shaft is positioned at a wave crest, the next adjacent transmission shaft is positioned at a wave trough, and the next transmission shaft is positioned at the wave crest or close to the wave crest.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The special gearbox for the threading machine comprises a box body and a transmission mechanism, and is characterized in that one end of the box body is larger, the other end of the box body is smaller, an input shaft extending hole for inserting a motor rotating shaft is formed in the smaller end of the box body, and an output shaft extending hole for extending an output shaft is formed in the larger end of the box body;
the transmission mechanism comprises a transmission shaft and at least two transmission gears fixed on the transmission shaft, the transmission mechanisms are sequentially arranged in a staggered manner from front to back, and at least one group of transmission gears of the two transmission mechanisms adjacent to each other in front and back is meshed with each other;
the central axes of the transmission shafts are parallel to each other, the transmission gear of the transmission shaft positioned at the forefront is meshed with the gear fixed on the motor rotating shaft, the transmission gear positioned at the rearmost is used as an output shaft, and the part of the output shaft extends out of the output shaft extending hole.
2. The special gearbox for the threading machine according to claim 1, wherein the number of the transmission mechanisms is three, and the transmission mechanisms are a first transmission mechanism, a second transmission mechanism and a third transmission mechanism in sequence from front to back;
the first transmission mechanism comprises a first transmission shaft, a first driving gear is sleeved on the first transmission shaft, the first driving gear is meshed with a gear fixed on a motor rotating shaft, and a first driven gear is further sleeved on the first transmission shaft;
the second transmission mechanism comprises a second transmission shaft, at least two second transmission gears are sleeved on the second transmission shaft, the first driven gear is meshed with one of the second transmission gears, and the transmission ratio of each second transmission gear is different;
the third transmission mechanism comprises a third transmission shaft, a third transmission gear is sleeved on the third transmission shaft and meshed with one of the second transmission gears, and the third transmission shaft is an output shaft;
and a connecting line passing through the center lines of the first transmission shaft and the second transmission shaft is not on the same line with a connecting line passing through the centers of the second transmission shaft and the third transmission shaft.
3. The special gearbox for the threading machine according to claim 2, wherein two third transmission gears are provided, and are respectively a fourth transmission gear sleeved on the upper part of the third transmission shaft and a fifth transmission gear sleeved on the lower part of the third transmission shaft, the fourth transmission gear and the fifth transmission gear are rotatably connected with the third transmission shaft, the fourth transmission gear and the fifth transmission gear are respectively meshed with one second transmission gear, and the transmission ratios of the fourth transmission gear and the fifth transmission gear are different;
the gear shifting mechanism comprises a driving rod and a combiner, wherein the combiner is cylindrical, an annular groove with an outward opening is formed in the middle of the combiner, the combiner is sleeved on the third transmission shaft, the combiner is positioned between the fourth transmission gear and the fifth transmission gear, one end of the driving rod extends into the annular groove, and the other end of the driving rod extends out of the box body through a driving rod extending hole formed in the box body;
a first clamping piece is arranged between the fourth transmission gear and the combiner, and the fourth transmission gear can drive the combiner to rotate through the first clamping piece;
a second clamping piece is arranged between the fifth transmission gear and the combiner, and the fifth transmission gear can drive the combiner to rotate through the second clamping piece;
a first limiting piece is arranged between the combiner and the third transmission shaft, and the first limiting piece enables the combiner to drive the third transmission shaft to rotate and to slide up and down along the rotating shaft;
the driving rod drives the combiner to slide up and down and is selectively connected with one of the fourth transmission gear and the fifth transmission gear.
4. The special gearbox for the threading machine according to claim 3, wherein a downward first annular bulge is arranged on the lower end surface of the fourth transmission gear, and first notches are formed in the first annular bulge at equal intervals;
an upward second annular bulge is arranged on the upper end surface of the combiner at a position corresponding to the first annular bulge, and second notches are formed in the second annular bulge at equal intervals;
the convex part between two adjacent first notches can be inserted into the second notch;
the first clamping piece is formed by the first annular bulge and the second annular bulge;
an upward third annular bulge is arranged on the upper end face of the fifth transmission gear, and third notches are formed in the third annular bulge at equal intervals;
a downward fourth annular bulge is arranged at a position, corresponding to the third annular bulge, on the lower end surface of the combiner, and fourth notches are formed in the fourth annular bulge at equal intervals;
the convex part between two adjacent third gaps can be inserted into the fourth gap;
the third annular bulge and the fourth annular bulge form the second clamping piece;
the first limiting part comprises a strip-shaped protrusion and a strip-shaped groove matched with the strip-shaped protrusion, the strip-shaped protrusion is fixed on any one of the outer side wall of the third transmission shaft or the inner side wall of the combiner, and the strip-shaped groove is formed in the other one of the outer side wall of the third transmission shaft or the inner side wall of the combiner;
the extending directions of the strip-shaped protrusions and the strip-shaped grooves are the same as the axial direction of the third transmission shaft.
5. The threading machine dedicated transmission according to claim 3, wherein the case body is constituted by a groove opened upward and an end cover for sealing a notch opening, the input shaft taking-out hole is opened on a groove bottom of the groove, the output shaft taking-out hole is opened on the end cover, and the drive lever taking-out hole is opened on a side wall of the groove near one end of the output shaft taking-out hole.
6. The threading machine special gearbox according to claim 3, wherein the drive rod comprises an arc-shaped body surrounding at least one half of the annular groove, a first connecting rod with one end connected with the arc-shaped body, and a second connecting rod arranged in parallel with the first connecting rod,
the driving rod further comprises a blocky connecting block, two through holes which are parallel to each other are formed in the connecting block, the other end, which is not connected with the arc-shaped body, of the first connecting rod extends into one of the through holes and is rotatably connected with the through hole, and one end of the second connecting rod extends into the other remaining through hole and is fixedly connected with the through hole;
the arc-shaped body is positioned in the annular groove, and the other end of the second connecting rod penetrates through the driving rod extending hole and extends out of the box body.
7. The special gearbox for the threading machine according to claim 6, wherein one end of the second connecting rod, which is positioned outside the gearbox body, is extended with two branches;
or one end of the second connecting rod, which is positioned outside the box body, is connected with a knob or a handle.
8. The threading machine dedicated transmission according to any one of claims 1 to 7, wherein the case body is provided at a smaller end with a connecting disc having a disk shape, a communicating hole is formed at a midpoint of the connecting disc, and a central axis of the communicating hole coincides with a central axis of the input shaft insertion hole;
the aperture of the input shaft extending hole is larger than that of the communicating hole, a rubber gasket is arranged at the joint of the input shaft extending hole and the communicating hole, and bolt holes for connecting a motor are formed in the periphery of the connecting disc.
9. The special gearbox for the threading machine according to any one of claims 1 to 7, wherein the box body is provided with a blind hole or a through hole for accommodating the end of the transmission shaft at the position of the transmission shaft;
the box body is provided with an oil filling hole, one end of the oil filling hole is communicated with the inside of the box body, the other end of the oil filling hole is communicated with the outside, and the oil filling hole is formed in the blind hole or takes a through hole as the oil filling hole;
and a plug for sealing the oil filling hole is arranged at the oil filling hole.
10. The speed changing box special for the threading machine according to any one of claims 2 to 7, wherein the first transmission mechanism is provided with a plurality of first transmission mechanisms, the plurality of first transmission mechanisms are sequentially arranged in a staggered manner, the first driven gear of the first transmission mechanism positioned at the front relatively engages with the first driving gear of the first transmission mechanism positioned at the lower relatively, the first driving gear of the first transmission mechanism positioned at the front most engages with the gear on the rotating shaft of the motor, and the first driven gear of the first transmission mechanism positioned at the rear most engages with the second transmission gear of the second transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777844.4U CN213117323U (en) | 2020-08-21 | 2020-08-21 | Special gearbox for threading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777844.4U CN213117323U (en) | 2020-08-21 | 2020-08-21 | Special gearbox for threading machine |
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| Publication Number | Publication Date |
|---|---|
| CN213117323U true CN213117323U (en) | 2021-05-04 |
Family
ID=75657175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021777844.4U Active CN213117323U (en) | 2020-08-21 | 2020-08-21 | Special gearbox for threading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117323U (en) |
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2020
- 2020-08-21 CN CN202021777844.4U patent/CN213117323U/en active Active
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