阅读说明：本技术 一种单轴异步张力器 (Single-shaft asynchronous tensioner ) 是由 张延� 张海兴 孙爱祥 窦兰月 于 2021-07-22 设计创作，主要内容包括：本发明公开了一种单轴异步张力器,涉及张力器技术领域。技术方案为一种单轴异步张力器,包括用于收卷的置物轴,所述置物轴的外壁上分布有容纳孔,所述容纳孔内限制有滚珠,所述滚珠部分伸出所述容纳孔,所述容纳孔内还设置有弹性件,所述弹性件的一端抵接于所述容纳孔的孔底,另一端抵接于所述滚珠,所述置物轴外还套接有多根用于收卷料带的收料管材,所述收料管材与所述置物轴同轴设置,且多个所述滚珠抵紧于所述收料管材的内壁。本申请结构合理,有效解决了多料带同轴同步收/放卷困难的问题,使得各料带保持在一定张力进行收/放卷。(The invention discloses a single-shaft asynchronous tensioner, and relates to the technical field of tensioners. Technical scheme is an asynchronous tensioner of unipolar, including the thing axle of putting that is used for the rolling, it has the accommodation hole to distribute on the outer wall of thing axle to put, the ball has been restricted in the accommodation hole, the ball part stretches out the accommodation hole, still be provided with the elastic component in the accommodation hole, the one end butt of elastic component in the hole bottom of accommodation hole, other end butt in the ball, put the thing epaxial many receipts material tubular products that are used for the rolling material area that still cup joint outward, receive the material tubular product with put the coaxial setting of thing axle, and a plurality of the ball support tightly in receive the inner wall of material tubular product. The material belt winding and unwinding device is reasonable in structure, and effectively solves the problem that multiple material belts are difficult to wind and unwind synchronously, so that each material belt is kept at certain tension to wind and unwind.)

1. The utility model provides an asynchronous tensioner of unipolar, is including putting thing axle (1) that is used for the rolling, its characterized in that: it has accommodation hole (2) to distribute on the outer wall of putting thing axle (1), the restriction has ball (3) in accommodation hole (2), ball (3) part stretches out accommodation hole (2), still be provided with elastic component (4) in accommodation hole (2), the one end butt of elastic component (4) in the hole bottom of accommodation hole (2), other end butt in ball (3), put thing axle (1) outer still cup joint many receipts material tubular product (5) that are used for the rolling material area, receive material tubular product (5) with put thing axle (1) coaxial arrangement, and a plurality of ball (3) support tightly in receive the inner wall of material tubular product (5).

2. The single-shaft asynchronous tensioner as set forth in claim 1, wherein: the hole opening position of the accommodating hole (2) is fixed with an outlet side platform (6), a through hole (7) is arranged on the outlet side platform (6), the through hole (7) is close to one end diameter of the hole bottom of the accommodating hole (2) and is larger than the diameter of the ball (3), the through hole (7) is far away from one end diameter of the hole bottom of the accommodating hole (2) and is smaller than the diameter of the ball (3), the ball (3) is partially positioned in the through hole (7), and the ball (3) partially extends out of the through hole (7).

3. The single-shaft asynchronous tensioner as set forth in claim 1, wherein: still the circle is cut on putting the side of thing axle (1) and has the polylith plane, accommodation hole (2) set up in plane department, just the axial of accommodation hole (2) is perpendicular with the plane, ball (3) salient in put the original circumference scope of thing axle (1).

4. The single-shaft asynchronous tensioner as set forth in claim 1, wherein: the inside of the object placing shaft (1) is hollow.

5. The single-shaft asynchronous tensioner as set forth in claim 1, wherein: the one end of putting thing axle (1) is provided with support (8), the one end of putting thing axle (1) rotates to be connected in on support (8) and fixedly connected with electromagnetic tensioner (9).

6. The single-shaft asynchronous tensioner as set forth in claim 5, wherein: still be provided with mounting groove (10) on putting the lateral wall of thing axle (1), sliding connection has butt piece (11) in mounting groove (10), still be connected with on butt piece (11) and ejecting it ejecting subassembly (12) of mounting groove (10), butt piece (11) part stretches out mounting groove (10) and butt in receive the inner wall of material tubular product (5).

7. The single-shaft asynchronous tensioner as set forth in claim 6, wherein: the ejection assembly (12) comprises an installation shaft (13), the installation shaft (13) and the object placing shaft (1) are coaxially arranged, one end of the installation shaft (13) is inserted into the object placing shaft (1), a fixing frame (14) is arranged on one side, deviating from the support (8), of the object placing shaft (1), one end of the installation shaft (13) is fixedly connected onto the fixing frame (14), a conical tube (15) coaxially arranged with the installation shaft (13) is further sleeved on the installation shaft (13), two ends of the conical tube (15) are further respectively provided with a return spring (16) and a manual adjusting wheel (17) which are sleeved on the installation shaft (13), the manual adjusting wheel (17) is located between the fixing frame (14) and the conical tube (15), the manual adjusting wheel (17) is in threaded connection onto the installation shaft (13) and is abutted to the conical tube (15), one end fixed connection in of reset spring (16) installation axle (13), the other end with conical tube (15) butt, the tank bottom of installation groove (10) with put the inside intercommunication of thing axle (1), just one side of butt piece (11) stretch out from the tank bottom and with the lateral wall butt of conical tube (15).

8. The single-shaft asynchronous tensioner as set forth in claim 7, wherein: the manual adjusting wheel (17) and a buffer spring (18) are further arranged between the conical tubes (15), the buffer spring (18) is sleeved on the installation shaft (13), and two ends of the buffer spring (18) are respectively abutted to the manual adjusting wheel (17) and the conical tubes (15).

9. The single-shaft asynchronous tensioner as set forth in claim 8, wherein: one side of the abutting part (11) close to the conical pipe (15) is attached to the outer side wall of the conical pipe (15), a dovetail groove (19) is formed in the outer side wall of the conical pipe (15) in the axial direction of the conical pipe, a sliding block (20) in a corresponding shape is arranged on the abutting part (11), and the sliding block (20) is connected in the dovetail groove (19) in a sliding mode.

Technical Field

The invention relates to the technical field of tensioners, in particular to a single-shaft asynchronous tensioner.

Background

In the fields of die cutting, automatic winding and rewinding equipment, synchronous winding operation of a plurality of products and strips with multiple numbers and multiples due to the problem of working efficiency exists all the time, but in the process of operation of a plurality of devices or products, the advance steps of the products are inconsistent due to the influence of factors such as tension, clamp tolerance, balance, traction friction and the like, so that the processing operation is difficult.

Generally speaking, when the same shaft is adopted to synchronously receive/unreel a plurality of material belts, due to the influence of the factors, the tightness degree among the material belts is different, so that the material roll of some material belts is too loose when receiving/unreeling, or the material roll of some material belts is too tight when receiving/unreeling, even the material belt is too tight and damaged, and the difficulty in coaxially and synchronously receiving/unreeling the plurality of material belts is caused.

In view of the above situation, a uniaxial asynchronous tensioner is proposed.

Disclosure of Invention

In order to improve the condition that the material area of coaxial synchronous receipts/unreel leads to receiving/unreeling the difficulty because of the elasticity degree is different between, this application provides an asynchronous tensioner of unipolar.

The application provides a pair of asynchronous tensioner of unipolar adopts following scheme:

the utility model provides an asynchronous tensioner of unipolar, is including the axle of putting of being used for the rolling, it has the accommodation hole to distribute on the outer wall of putting the axle, the ball has been restricted in the accommodation hole, the ball part stretches out the accommodation hole, still be provided with the elastic component in the accommodation hole, the one end butt of elastic component in the hole bottom of accommodation hole, other end butt in the ball, put the epaxial many receipts material tubular products that are used for the rolling material area of still cup jointing of thing, receive the material tubular product with put the coaxial setting of axle, and a plurality of the ball support tightly in receive the inner wall of material tubular product.

By adopting the above scheme, through the elastic force effect of elastic component, make ball keep the part stretch out the accommodation hole and the butt on the inner wall of receiving the material tubular product, there is little frictional force between ball and the receipts material tubular product, form little tension effect with the mode of low frictional force, thereby when receiving material tubular product receipts/unreel the material area, the rolling speed of control receipts material tubular product is faster than the input speed, or the unwinding speed of control receipts material tubular product is slower than ejection of compact speed, when the tension in material area is greater than the frictional force between receipts material tubular product and the ball, receive the material tubular product and can move in order to adjust on the ball automatically, make each material area maintain under approximate tension state, thereby effectively improved the coaxial synchronous receipts/the condition of unreeling difficulty of many material areas.

Optionally, an outlet side table is fixed at the position of the orifice of the accommodating hole, a through hole is arranged on the outlet side table, the diameter of one end, close to the bottom of the accommodating hole, of the through hole is larger than that of the ball, the diameter of one end, far away from the bottom of the accommodating hole, of the through hole is smaller than that of the ball, the ball is partially located in the through hole, and the ball partially extends out of the through hole.

Through adopting above-mentioned scheme, after packing into accommodating hole with elastic component and ball, the output limit platform is gone up in the repacking, and the output limit platform plays limiting displacement to the ball, avoids the ball to fall out from accommodating the downthehole.

Optionally, a plurality of planes are further circularly cut on the side surface of the object placing shaft, the accommodating hole is formed in the plane, the axial direction of the accommodating hole is perpendicular to the plane, and the ball protrudes out of the original circumferential range of the object placing shaft.

Through adopting above-mentioned scheme, set up the plane and can reduce and put the holistic weight of thing axle, simultaneously, the plane is convenient for the machine-shaping of accommodation hole.

Optionally, the storage shaft is hollow inside.

Through adopting above-mentioned scheme, it is hollow to put the inside of thing axle, has reduced the whole weight of putting the thing axle greatly.

Optionally, a support is arranged at one end of the object placing shaft, and one end of the object placing shaft is rotatably connected to the support and fixedly connected with an electromagnetic tensioner.

Through adopting above-mentioned scheme, set up electromagnetic tensioner, when blocking between ball and receipts material tubular product, electromagnetic tensioner can make the material area keep certain tension, avoids the tension in material area too big.

Optionally, the side wall of the storage shaft is further provided with a mounting groove, an abutting piece is connected to the mounting groove in a sliding mode, an ejection assembly ejecting the abutting piece out of the mounting groove is further connected to the abutting piece, and the abutting piece partially extends out of the mounting groove and abuts against the inner wall of the material receiving pipe.

By adopting the scheme, the abutting part abuts against the inner wall of the material receiving pipe, friction force exists between the abutting part and the material receiving pipe, the larger the friction force between the abutting part and the material receiving pipe is, the larger the tension force kept by the received/unreeled material belt is, and therefore the tension adjusting range of the material belt can be enlarged.

Optionally, the ejecting assembly comprises a mounting shaft, the mounting shaft and the object placing shaft are coaxially arranged, one end of the mounting shaft is inserted into the object placing shaft, one side of the object placing shaft, which is far away from the bracket, is provided with a fixing frame, one end of the mounting shaft is fixedly connected to the fixing frame, the mounting shaft is also sleeved with a conical tube which is coaxial with the mounting shaft, two ends of the conical tube are respectively provided with a return spring and a manual regulating wheel which are sleeved on the mounting shaft, the manual adjusting wheel is positioned between the fixed frame and the conical tube, the manual adjusting wheel is connected on the mounting shaft in a threaded manner and is abutted against the conical tube, one end of the reset spring is fixedly connected with the mounting shaft, the other end of the reset spring is abutted against the conical tube, the tank bottom of mounting groove with put the inside intercommunication of thing axle, just one side of butt piece stretches out from the tank bottom and with the lateral wall butt of toper pipe.

By adopting the above scheme, because the lateral wall of conical tube is the inclined plane, when the butt joint piece butt was in the different positions of conical tube lateral wall, the butt joint piece was by the length difference of ejecting mounting groove, and manual regulating wheel and reset spring then the position of corresponding location conical tube to this realizes the control of butt joint piece extension length.

Optionally, a buffer spring is further disposed between the manual adjusting wheel and the tapered tube, the buffer spring is sleeved on the installation shaft, and two ends of the buffer spring are respectively abutted to the manual adjusting wheel and the tapered tube.

Through adopting above-mentioned scheme, when the butt is too tight between butt piece and receipts material tubular product, receive the material tubular product counteraction and act on the butt piece, the toper pipe of counteraction again, the toper pipe can be promoted to avoid butt piece and receive the butt between the material tubular product too tight, buffer spring plays the cushioning effect.

Optionally, one side of the abutting part, which is close to the tapered tube, is attached to the outer side wall of the tapered tube, a dovetail groove is formed in the outer side wall of the tapered tube in the axial direction of the tapered tube, a sliding block in a corresponding shape is arranged on the abutting part, and the sliding block is connected in the dovetail groove in a sliding manner.

Through adopting above-mentioned scheme, through the mating reaction of dovetail and slider for butt piece and conical duct can synchronous motion, and at conical duct round trip movement's in-process, the butt piece is flexible in the mounting groove thereupon, thereby can control in the initiative withdrawal mounting groove of butt piece, avoid the butt piece to lead to the fact the hindrance to receiving material tubular product.

In summary, the present application has the following beneficial effects:

1. when multiple material belts are coaxially and synchronously wound/unwound, the tension of each material belt is maintained within a certain range, and the situation that the multiple material belts are difficult to coaxially and synchronously wind is effectively improved;

2. when multiple material belts are coaxially and synchronously wound, the tension of the material belts maintains a numerical value, and the adjustable range is large;

3. when adjusting tension and with many material areas of coaxial synchronous rolling, the protector card is dead, and electromagnetic tensioner plays follow-up guarantee effect, avoids the material area tension to stretch out the breakage.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a sectional view of a part of the structure of embodiment 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the overall structure of embodiment 2;

FIG. 5 is a sectional view showing a part of the structure of embodiment 2.

Reference numerals: 1. a placement shaft; 2. an accommodation hole; 3. a ball bearing; 4. an elastic member; 5. receiving the tube; 6. an outlet side table; 7. a through hole; 8. a support; 9. an electromagnetic tensioner; 10. mounting grooves; 11. an abutting member; 12. ejecting the assembly; 13. installing a shaft; 14. a fixed mount; 15. a tapered tube; 16. a return spring; 17. a manual adjustment wheel; 18. a buffer spring; 19. a dovetail groove; 20. a slide block.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the invention discloses a single-shaft asynchronous tensioner.

Example 1: as shown in fig. 1, including the thing axle 1 of putting for the rolling, the inside of putting the thing axle 1 sets up the cavity, has seted up the through-hole promptly at the axle center position of putting the thing axle 1, and the circle is cut on the lateral surface of putting the thing axle 1 has the polylith plane, and the plane is the rectangle plane to each plane is along the even interval setting of the circumference of putting the thing axle 1.

As shown in fig. 1, 2 and 3, the accommodating hole 2 is formed in a planar position, an axial direction of the accommodating hole 2 is perpendicular to an axial direction of the storage shaft 1, a plurality of accommodating holes 2 are formed in each plane, and the accommodating holes 2 in each plane are uniformly spaced along the axial direction of the storage shaft 1.

As shown in fig. 3, the ball 3 and the elastic element 4 are limited in the receiving hole 2, in this embodiment, the elastic element 4 is configured as a spring, an outlet side table 6 is further fixed at the orifice position of the receiving hole 2, and the outlet side table 6 may be in interference fit with the receiving hole 2 and directly pressed into the receiving hole 2, or may be directly screwed into the receiving hole 2; the outlet side table 6 is provided with a through hole 7, the axial direction of the through hole 7 is the same as that of the accommodating hole 2, the diameter of one end, close to the hole bottom of the accommodating hole 2, of the through hole 7 is larger than that of the ball 3, the diameter of one end, far away from the hole bottom of the accommodating hole 2, of the through hole 7 is smaller than that of the ball 3, the ball 3 is partially positioned in the through hole 7 and partially extends out of the through hole 7, namely, the ball 3 partially extends out of the accommodating hole 2, the part, extending out of the accommodating hole 2, of the ball 3 protrudes out of the original axial range of the object placing shaft 1, namely, the ball 3 protrudes out of the edge of the object placing shaft 1 when the object placing shaft is not in a circular cutting plane, at the moment, one end of the elastic element 4 supports the ball 3, and the other end supports at the hole bottom of the accommodating hole 2.

As shown in fig. 1, the material placing shaft 1 is further sleeved with a plurality of material receiving pipes 5 for receiving/releasing the material belt, the material receiving pipes 5 and the material placing shaft 1 are coaxially arranged, the arranged balls 3 abut against the inner wall of the material receiving pipes 5, at the moment, the friction force between the balls 3 and the material receiving pipes 5 limits the material receiving pipes 5 to rotate on the material placing shaft 1, when the tension of the material belt on the material receiving pipes 5 exceeds a certain value, or the stress of the material receiving pipes 5 is greater than the friction force between the balls 3 and the pipes, the material receiving pipes 5 can rotate on the material placing shaft 1 to adjust the tension of the material belt. Thereby can make each material area of receiving on the material tubular product 5 keep in certain tension degree, can adjust automatically, avoid each material area too tight or too loose and influence coaxial synchronous receipts/unreel.

One end of the object placing shaft 1 is provided with a support 8, the end of the object placing shaft 1 is rotatably connected onto the support 8 through a rolling bearing and is fixedly connected with an electromagnetic tensioner 9, and the electromagnetic tensioner 9 plays a role in auxiliary adjustment.

Example 2: referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that a mounting groove 10 is further provided on the sidewall of the object placing shaft 1, an abutting member 11 is slidably connected to the mounting groove 10, an ejecting assembly 12 for ejecting the abutting member 11 out of the mounting groove 10 is further connected to the abutting member 11, and the abutting member 11 can partially extend out of the mounting groove 10 and abut against the inner wall of the material receiving pipe 5.

The ejection assembly 12 specifically comprises a mounting shaft 13, a fixing frame 14 is arranged at one end of the object placing shaft 1, which is far away from the support 8, the fixing frame 14 is not contacted with the object placing shaft 1, one end of the mounting shaft 13 is fixedly connected to the fixing frame 14, the other end of the mounting shaft 13 is inserted into the object placing shaft 1, the mounting shaft 13 and the object placing shaft 1 are coaxially arranged, a manual adjusting wheel 17, a buffer spring 18, a conical tube 15 and a return spring 16 are sequentially sleeved on the mounting shaft 13, the manual adjusting wheel 17 is closest to the fixing frame 14, the manual adjusting wheel 17 is in threaded connection with the mounting shaft 13, the position of the manual adjusting wheel 17 on the mounting shaft 13 can be adjusted by rotating the manual adjusting wheel 17, two ends of the buffer spring 18 are respectively supported on the manual adjusting wheel 17 and the conical tube 15, the whole conical tube 15 is conical, the large-diameter end of the conical tube 15 is close to the fixing frame 14, one end of the return spring 16 is fixedly connected to the outer wall of the mounting shaft 13, the other end is supported at the small diameter end of the tapered tube 15.

The groove bottom of the mounting groove 10 is communicated with the inside of the object placing shaft 1, namely the mounting groove 10 is communicated with the hollow part of the object placing shaft 1, the abutting pieces 11 in the mounting groove 10 can slide into the hollow part of the object placing shaft 1, the tapered tube 15 extends into the object placing shaft 1, a plurality of dovetail grooves 19 arranged along the axial direction of the tapered tube 15 are arranged on the outer side wall of the tapered tube 15, sliding blocks 20 are correspondingly arranged on the abutting pieces 11, and the sliding blocks 20 are connected in the dovetail grooves 19 in a sliding mode. The outer side wall of the tapered tube 15 is inclined with respect to the axis of the spindle 1, and therefore the dovetail groove 19 is also inclined with respect to the axis. Because the abutting piece 11 is limited by the installation groove 10, the abutting piece 11 can only stretch out and draw back in the installation groove 10, when the conical tube 15 moves on the installation shaft 13, the sliding block 20 on the abutting piece 11 is connected in the dovetail groove 19 in a sliding mode, and the abutting piece 11 is driven along with the sliding block to stretch out and draw back in the installation groove 10. The position of the conical tube 15 is influenced by the manual adjustment wheel 17. Therefore, the abutting degree of the abutting piece 11 and the material receiving pipe 5 can be adjusted by adjusting the manual adjusting wheel 17.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.