CN209566503U - Reduction gearbox, the driving mechanism of drawing pen and drawing pen - Google Patents

Abstract

The utility model discloses a kind of reduction gearbox, the driving mechanism of drawing pen and drawing pens；The reduction gearbox includes gear set and output, the output with pressing mechanism for connecting, the gear set includes at least two meshed gears, the gear drive cooperation makes the reduction gearbox reach default reduction ratio, and the gear of at least two mutually transmission cooperations encloses and sets to form the first movement channel mobile for the pressing mechanism.The reduction gearbox takes up space size that is small, and then can reduce drawing pen；The driving mechanism of the drawing pen includes above-mentioned reduction gearbox, and therefore, the driving mechanism of the drawing pen has the small advantage that takes up space；The drawing pen includes the driving mechanism of above-mentioned drawing pen, therefore, the drawing pen tool advantage small for size.

Description

Reduction gearbox, the driving mechanism of drawing pen and drawing pen

Technical field

The utility model relates to plotting equipment technical fields, more particularly to the driving mechanism of a kind of reduction gearbox, drawing pen And drawing pen.

Background technique

With the continuous development of 3D printing technique, using also more and more extensive in 3D printing technique daily life； 3D drawing pen can conveniently construct the tool of three-dimensional model as one kind, and people can arbitrarily be scribbled in the sky with this branch pen, Various models true to nature are sketched the contours of, therefore standby welcomed by the people.The driving mechanism of 3D drawing pen is when driving extrusion, driving machine It is smaller that structure is applied to the power on extrusion, and therefore, it is necessary to use reduction box organizations to slow down to be promoted and be applied on extrusion Power.However, traditional gearbox structure is due to occupying sky when drawing pen needs the reduction gearbox of larger reduction ratio to be slowed down Between it is big, it is difficult to used on drawing pen.

Utility model content

Based on this, for when drawing pen needs larger reduction ratio, traditional gearbox structure is big due to taking up space, difficult The problem of to use on drawing pen, proposes the driving mechanism and drawing pen of a kind of reduction gearbox, drawing pen；The reduction gearbox occupies Space is small, and then can reduce the size of drawing pen；The driving mechanism of the drawing pen includes above-mentioned reduction gearbox, therefore, the drawing The driving mechanism of pen has the small advantage that takes up space；The drawing pen includes the driving mechanism of above-mentioned drawing pen, therefore, the drawing Pen has the small advantage of size.

Specific technical solution is as follows:

On the one hand, this application involves a kind of reduction gearbox, including gear set and output, the output is used for and extruder Structure connection, the gear set include at least two meshed gears, and the gear drive cooperation makes the reduction gearbox reach default Reduction ratio, and the gear of at least two mutually transmission cooperations encloses to set to be formed and supplies the first movement of pressing mechanism movement logical Road.

Above-mentioned reduction gearbox when in use, due to the first movement channel from least two mutually transmission with the tooth Wheel, which encloses, to be set to be formed, and pressing mechanism is moved along the first movement channel, compared to the gear arrangement mode of traditional reduction gearbox, this Shen Please in the gear of reduction gearbox take up space small, and gear and pressing mechanism install compact reduce the ruler of reduction gearbox in turn It is very little, thus, convenient for application of the reduction gearbox in drawing pen.

Technical solution is illustrated further below:

The gear of at least two engagements cooperatively forms first order deceleration mechanism in one of the embodiments, at least Axial setting and two neighboring be axially arranged described first along the screw rod of two the first reduction gearboxes along the screw rod subtract Fast case transmission cooperatively forms second level deceleration mechanism.

The reduction gearbox further includes mounting base in one of the embodiments, and the mounting base includes along the first movement The first mounting plate, the second mounting plate and the third mounting plate of the axially spaced-apart setting in channel, first mounting plate and described the Two mounting plates cooperatively form the first contained structure, and second mounting plate and the third mounting plate cooperatively form the second receiving knot Structure, the reduction gearbox further include input component, and the input component and output transmission cooperate, and the output is set to described Second contained structure, the input component are set to first contained structure.

First mounting plate offers the first installation through-hole in one of the embodiments, and second mounting plate is opened Third installation through-hole, first installation through-hole, described second are offered equipped with the second installation through-hole and the third mounting plate Installation through-hole and third installation through-hole interval are arranged and are connected to form the second movable passageway, second movable passageway and institute State the connection of first movement channel.

In one of the embodiments, the gear set include the first gear being connect for the shaft with driving motor and Second gear for connecting with the pressing mechanism, the first gear are the input component, and the second gear is described Output, the first gear and second gear transmission cooperation, the number of teeth of the first gear are less than the second gear The number of teeth.

The reduction ratio of the reduction gearbox is i in one of the embodiments, wherein 500≤i≤6000.

The reduction ratio of the reduction gearbox is i in one of the embodiments, wherein 2000≤i≤4000.

On the other hand, the application further relates to a kind of driving mechanism of drawing pen, including reduction gearbox, further includes pressing mechanism, The pressing mechanism is arranged in the first movement channel, and the output is connect with the pressing mechanism.

The driving mechanism of above-mentioned drawing pen when in use, is matched since the first movement channel is mutually driven by least two The gear closed, which encloses, to be set to be formed, and pressing mechanism is moved along the first movement channel, compared to the gear row of traditional reduction gearbox Mode for cloth, the gear of the reduction gearbox in the application take up space small, and gear and pressing mechanism install compact reduce in turn The size of reduction gearbox, thus, convenient for application of the reduction gearbox in drawing pen.

Technical solution is illustrated further below:

The output is equipped with internal thread structure in one of the embodiments, and one end of the pressing mechanism, which is equipped with, to be used In the external thread structure being threadedly engaged with the internal thread structure, the other end is equipped with press section.

On the other hand, the application further relates to a kind of drawing pen, the driving mechanism including drawing pen.

Above-mentioned drawing pen when in use, due to the first movement channel from least two mutually transmission with the tooth Wheel, which encloses, to be set to be formed, and pressing mechanism is moved along the first movement channel, compared to the gear arrangement mode of traditional reduction gearbox, this Shen Please in the gear of reduction gearbox take up space small, and gear and pressing mechanism install compact reduce the ruler of reduction gearbox in turn It is very little, thus, convenient for application of the reduction gearbox in drawing pen.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the driving mechanism that Fig. 1 is drawing pen；

Fig. 2 is the partial enlarged view of A in Fig. 1；

Fig. 3 is the top view of gear set；

Fig. 4 is the schematic diagram of internal structure of drawing pen；

Fig. 5 is the schematic perspective view of drawing pen.

Description of symbols:

10, drawing pen, 100, reduction gearbox, 102, first movement channel, 110, first gear, 120, second gear, 130, Mounting base, the 1302, first contained structure, the 1304, second contained structure, 1306, locating rod, the 132, first mounting plate, 134, Two mounting plates, 136, third mounting plate, 150, intermediate reduction gear mechanism, 200, screw rod, 300, driving motor, 400, extrusion.

Specific embodiment

It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the protection scope of the utility model is not limited.

It should be noted that it can directly on the other element when element is referred to as " being set to " another element Or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, it can be directly in another yuan On part or there may also be elements placed in the middle.When an element is considered as " connection " another element, it be can be directly It is connected to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.

It is important to point out that when element is referred to as " being fixedly arranged on " another element, two elements can be it is integrated, It can be and be detachably connected between two elements.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specifically embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.

In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right", "inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by positional relationship be based on Positional relationship shown in the drawings；The terms such as " first ", " second " are to distinguish different structure members.These terms are only Convenient for description the utility model and simplify description, should not be understood as limiting the present invention.

As shown in Figure 1 to Figure 3, one of embodiment reduction gearbox 100, including gear set and output, output are used It is connect in pressing mechanism, gear set includes at least two meshed gears, and gear drive cooperation makes reduction gearbox 100 reach default Reduction ratio, and the gear of at least two mutually transmission cooperations encloses and sets to form the first movement channel mobile for pressing mechanism.

Above-mentioned reduction gearbox 100 when in use, due to first movement channel from least two mutually transmission with gear enclose If being formed, pressing mechanism moves along first movement channel, compared to the gear arrangement mode of traditional reduction gearbox 100, in the application The gear of reduction gearbox 100 take up space small, and gear and pressing mechanism install compact reduce the size of reduction gearbox in turn, To convenient for application of the reduction gearbox 100 in drawing pen.

Further, on the basis of the above embodiments, reduction gearbox includes gear set, and gear set includes at least two engagements Gear, at least two meshed gears cooperatively form first order deceleration mechanism, and at least two first reduction gearboxes are along pressing mechanism Axial setting and two neighboring second level speed reducer is cooperatively formed along the first deceleration mechanism driving that pressing mechanism is axially arranged Structure.So, on the one hand, realize that the multistage of reduction gearbox 100 subtracts by the cooperation of first order deceleration mechanism and second level deceleration mechanism Speed makes reduction gearbox 100 reach expected reduction ratio in turn, to promote the extruding force of extrusion；On the other hand, two neighboring First deceleration mechanism is arranged along the axial direction of pressing mechanism, can reduce taking up space for driving mechanism, helps to reduce drawing pen Size.

As depicted in figs. 1 and 2, on the basis of the above embodiments, which further includes mounting base 130, installation Seat 130 includes the first mounting plate 132, the second mounting plate 134 and the third mounting plate being arranged along the axially spaced-apart of mounting base 130 136, the first mounting plate 132 and the second mounting plate 134 cooperatively form the first contained structure 1302, the second mounting plate 134 and third Mounting plate 136 cooperatively forms the second contained structure 1304, and output is set to the second contained structure 1304, and reduction gearbox 100 also wraps Input component is included, input component is set to the first contained structure 1302.In this way, input component is set in the first contained structure 1302, Output is set in the second contained structure 1304, can reduce taking up space for the driving mechanism of drawing pen, input component with Output further decreases taking up space for the driving mechanism of drawing pen along the axial direction setting in first movement channel.Further, In On the basis of the embodiment, the first mounting plate 132 offers first movement through-hole, and it is mobile that the second mounting plate 134 offers second Through-hole and third mounting plate 136 offer the mobile through-hole of third, first movement through-hole, the second mobile through-hole and the mobile through-hole of third Interval is arranged and is connected to form the second movable passageway, and first movement channel is connected to the second movable passageway.In this way, when in use, Pressing mechanism along first movement through-hole, second moves through-hole and third moves the setting direction of through-hole and moves.

As depicted in figs. 1 and 2, in this embodiment, gear set includes for connecting with the shaft of driving motor 300 First gear 110 and second gear 120 for connecting with pressing mechanism, first gear 110 are input component, second gear 120 For output, first gear 110 and the transmission cooperation of second gear 120, the number of teeth of first gear 110 are less than second gear 120 The number of teeth, first gear 110 are set to the first contained structure 1302, and second gear 120 is set to the second contained structure 1304.Such as This, first gear 110 is set in the first contained structure 1302, and second gear 120 is set to the second contained structure 1304 It is interior, taking up space for gear set can be reduced, the number of teeth of first gear 110 is less than the number of teeth of second gear 120, in this way, realizing Deceleration.In this embodiment, reduction gearbox 100 further includes intermediate reduction gear mechanism 150, which includes If multiple intermeshing gears, these meshed gears help reduction gearbox 100 to reach expected reduction ratio.

As depicted in figs. 1 and 2, based on any of the above embodiments, mounting base 130 further includes at least two locating rods 1306, circumferential direction setting of all locating rods 1306 along first movement channel.In this way, locating rod 1306 is used to help gear positioning Installation.

Based on any of the above embodiments, gear set includes at least two meshed gears, and all gear drives are matched It closes and forms ten primary speed-down mechanisms.In this way, the reduction gearbox 100 reaches expected reduction ratio by ten primary speed-down mechanisms, thus Pressing mechanism is set to reach expected squeezing effect.

On the other hand, the application further relates to a kind of driving mechanism of drawing pen, the driving machine of the drawing pen in an embodiment Structure includes reduction gearbox 100, further includes pressing mechanism, and pressing mechanism is arranged in first movement channel, and output and pressing mechanism Connection.

When in use, pressing mechanism moves the driving mechanism of above-mentioned drawing pen along first movement channel, and at least two teeth The circumferential direction setting along first movement channel is taken turns, in turn, compared to the gear arrangement mode of traditional reduction gearbox 100, in the application The gear of reduction gearbox 100 takes up space small, and gear and pressing mechanism install compact reduce the ruler of reduction gearbox 100 in turn It is very little, thus, convenient for application of the reduction gearbox 100 in drawing pen 10.

As depicted in figs. 1 and 2, on the basis of the above embodiments, output be equipped with internal thread structure, the one of pressing mechanism End is equipped with the external thread structure for being threadedly engaged with internal thread structure, and the other end is equipped with press section；In this way, passing through internal screw thread knot The cooperation of structure and external thread structure can make press section that raw material are applied with bigger active force；In this embodiment, squeeze Mechanism includes screw rod 200 and extrusion 400, and screw rod 200 is set to one end of pressing mechanism, and extrusion 400 is set to extruder The other end of structure, extrusion 400 are equipped with press section, and screw rod 200 is arranged in first movement channel, and output is equipped with internal screw thread knot Structure, one end of screw rod 200 are connected with the external thread structure, the other end and extrusion 400 connecting with internal thread structure is equipped with.Such as This, the internal thread structure of output is connect with screw rod 200, and drive screw rod 200 to move along preset direction by reduction gearbox 100, when After the deceleration that the output power of driving motor 300 passes through reduction gearbox 100, the active force on screw rod 200 is applied to by output It will become larger, and then can be realized and biggish active force is applied to extrusion 400, convenient for squeezing blocky or powdered former material Material；It further, is circumferential, axially and radially active force resultant force to the active force that screw rod 200 applies by output, with biography The pressing mechanism of system bears unilateral active force and compares, and the stress of screw rod 200 is more stable, therefore screw rod 200 applies extrusion 400 The extruding force added is also more stable, in turn, avoids and the stuck problem in discharging device of extrusion 400 occurs.Specifically, it squeezes Casting die can be in the shape of a rod or in a circular table shape, and in this embodiment, extrusion includes press section, and press section is tapered, such as This, convenient for squeezing raw material.

Based on any of the above embodiments, the reduction ratio of reduction gearbox 100 is i, 500≤i≤6000.Work as reduction gearbox 100 reduction ratio in the range when, active force that screw rod 200 applies extrusion 400 to blocky or powdery starting material, The squeezing effect of such as chocolate is preferable, and 400 stress of extrusion is relatively stable；Specifically, the reduction ratio of reduction gearbox 100 can be with Be 500,700,1000,1500,2000,2500,3000,3500,4000,4500,5000,5500 or 6000；When i < 500 When, the power that output is applied to extrusion 400 is smaller, it is difficult to squeeze blocky or powdered raw material；As i > 6000, this When, the speed of raw material after extruding discharge is slower, influence using；Preferably, the reduction ratio of reduction gearbox 100 is i, wherein 2000≤i≤4000, when the reduction ratio of reduction gearbox 100 in the range when, active force that screw rod 200 applies extrusion 400 It is best to blocky or powdery starting material, such as the squeezing effect of chocolate, and 400 stress of extrusion is most stable.Specifically Ground, reduction gearbox 100 can be realized by the cooperation of gear train to slow down, and can also be cooperated by planetary gear and realize deceleration.

As shown in Figure 4 and Figure 5, on the other hand, the application further relates to a kind of drawing pen 10, the drawing pen 10 in an embodiment Driving mechanism including drawing pen.

When in use, pressing mechanism moves above-mentioned drawing pen 10 along first movement channel, and at least two gears are along first The circumferential setting of movable passageway, in turn, the reduction gearbox 100 compared to the gear arrangement mode of traditional reduction gearbox 100, in the application Gear take up space small, and gear and pressing mechanism install compact reduce the size of reduction gearbox 100 in turn, thus, just In application of the reduction gearbox 100 in drawing pen 10.

The drawing pen can mould various unused structures by powderies, block-like raw material such as extruding chocolates, than Such as say edible cartoon figure's structure.

Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance Shield all should be considered as described in this specification.

Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of reduction gearbox, which is characterized in that including gear set and output, the output is used to connect with pressing mechanism, The gear set includes at least two meshed gears, and the gear drive cooperation makes the reduction gearbox reach default reduction ratio, And at least two the gear of mutually transmission cooperation enclose and set to form the first movement channel mobile for the pressing mechanism.

2. reduction gearbox according to claim 1, which is characterized in that the gear of at least two engagements cooperatively forms first Grade deceleration mechanism, at least two first order deceleration mechanisms are arranged along the axial direction of the pressing mechanism, and two neighboring along institute It states the first order deceleration mechanism driving that pressing mechanism is axially arranged and cooperatively forms second level deceleration mechanism.

3. reduction gearbox according to claim 1, which is characterized in that further include mounting base, the mounting base includes along described The first mounting plate, the second mounting plate and the third mounting plate of the axially spaced-apart setting in first movement channel, first mounting plate The first contained structure is cooperatively formed with second mounting plate, and second mounting plate and the third mounting plate cooperatively form the Two contained structures, the reduction gearbox further include input component, and the input component and output transmission cooperate, and the output is set It is placed in second contained structure, the input component is set to first contained structure.

4. reduction gearbox according to claim 3, which is characterized in that first mounting plate offers the first installation through-hole, Second mounting plate offers the second installation through-hole and the third mounting plate offers third installation through-hole, first peace Dress through-hole, second installation through-hole and third installation through-hole interval are arranged and are connected to form the second movable passageway, described Second movable passageway is connected to the first movement channel.

5. reduction gearbox according to claim 3, which is characterized in that the gear set includes for the shaft with driving motor The first gear of connection and second gear for connecting with the pressing mechanism, the first gear are the input component, institute Stating second gear is the output, the first gear and second gear transmission cooperation, the number of teeth of the first gear Less than the number of teeth of the second gear.

6. reduction gearbox according to any one of claims 1 to 5, which is characterized in that the reduction ratio of the reduction gearbox is i, In, 500≤i≤6000.

7. reduction gearbox according to claim 6, which is characterized in that the reduction ratio of the reduction gearbox is i, wherein 2000≤i ≤4000。

8. a kind of driving mechanism of drawing pen, which is characterized in that including the described in any item reduction gearboxes of claim 1 to 7, also wrap Pressing mechanism is included, the pressing mechanism is arranged in the first movement channel, and the output is connect with the pressing mechanism.

9. the driving mechanism of drawing pen according to claim 8, which is characterized in that the output is equipped with internal screw thread knot Structure, one end of the pressing mechanism are equipped with the external thread structure for being threadedly engaged with the internal thread structure, and the other end is equipped with Press section.

10. a kind of drawing pen, which is characterized in that the driving mechanism including the described in any item drawing pens of claim 8 to 9.