CN219052481U

CN219052481U - Mechanical expansion and contraction winding drum

Info

Publication number: CN219052481U
Application number: CN202222988898.0U
Authority: CN
Inventors: 陈皓; 丁绍松
Original assignee: Beijing Beiye Functional Materials Corp; Beiye Functional Materials Jiangsu Co ltd
Current assignee: Beijing Beiye Functional Materials Corp; Beiye Functional Materials Jiangsu Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-23
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a mechanical type expansion and contraction winding drum, which relates to the technical field of winding and unwinding equipment and comprises an expansion and contraction driving motor, a main shaft bearing, a winding drum main shaft, an expansion and contraction screw rod, an expansion and contraction sliding sleeve and an expansion and contraction gland. The front end of the expansion screw rod is not drooping caused by insufficient radial positioning; the rolling weight is increased, and the rolling weight is not directly acted on the expansion and contraction screw rod, but is acted on the expansion and contraction sliding sleeve and the winding drum main shaft, so that the expansion and contraction screw rod cannot be bent.

Description

Mechanical expansion and contraction winding drum

Technical Field

The utility model relates to the technical field of winding and unwinding equipment, in particular to a mechanical expansion and contraction winding drum.

Background

A coiler is a mechanical device that winds a product into a coil, and during the product coiling process, the product is mainly formed on a reel. At present, a collapsible drum on a coiling machine is mainly driven by hydraulic pressure to realize the expansion and contraction of a shaft on the coiling machine, but the problems of oil leakage, pollution of a working site caused by the oil leakage and the problems of large occupied site area and resource waste caused by taking corresponding measures for preventing the abrasion of a hydraulic oil pipe exist. Therefore, in some cases, a mechanically driven collapsible drum, such as the collapsible drum disclosed in CN209716097U, is adopted, and the drawbacks of the hydraulically driven collapsible drum can be effectively solved, but the collapsible drum also has the following problems: the hollow cup motor has poor stability when being applied to the driving of the collapsible winding drum, if the winding is cut off one phase or the power is cut off one phase, the magnetic field points of the winding are equal in size and opposite in direction, the magnetic fields rotate in opposite directions, the torques of the winding and the rotor are equal in size and opposite in direction, the torques cancel each other, and zero starting torque cannot be started; the driving motor of the expansion and contraction screw rod is arranged in the main shaft of the winding drum, the wiring problem of the motor needs to be considered, and the motor wire can be wound together along with the rotation without special installation treatment; the radial positioning of the collapsible screw rod is insufficient, and the collapsible screw rod can be bent along with the increase of the coil weight, the influence of the use time, the dead weight of the coil and other factors.

Disclosure of Invention

To this end, the present utility model provides a mechanical collapsible drum to solve one or more of the above-mentioned technical problems.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a mechanical type harmomegathus reel, includes harmomegathus driving motor, main shaft bearing, reel main shaft, harmomegathus lead screw, harmomegathus sliding sleeve and harmomegathus gland, harmomegathus driving motor with main shaft bearing relatively fixed, the rear end of reel main shaft rotationally wears to locate in the main shaft bearing, and the other end stretches out forward, harmomegathus lead screw rotationally wears to locate in the reel main shaft, just the rear end of harmomegathus lead screw with harmomegathus driving motor transmission is connected, harmomegathus sliding sleeve cover is located outside the reel main shaft, harmomegathus sliding sleeve is along with the synchronous rotation of reel main shaft and can follow the axial slip, harmomegathus gland spin in the front end of harmomegathus lead screw and with harmomegathus sliding sleeve's front end is fixed mutually.

Further, the mechanical expansion and contraction winding drum further comprises a winding drum driving motor, a driving gear and a driven gear, wherein the winding drum driving motor is fixed relative to the expansion and contraction driving motor, the driving gear is arranged on a motor shaft of the winding drum driving motor, the driven gear is sleeved and fixed at the rear end of the winding drum main shaft, and the driving gear is meshed with the driven gear.

Further, the mechanical expansion and contraction winding drum further comprises a winding drum outer drum, a fixed hinge and an expansion and contraction hinge, one end of the fixed hinge is hinged to the inner side of the front portion of the winding drum outer drum, the other end of the fixed hinge is hinged to the expansion and contraction sliding sleeve, one end of the expansion and contraction hinge is hinged to the inner side of the rear portion of the winding drum outer drum, and the other end of the expansion and contraction hinge is hinged to the main shaft of the winding drum.

Further, the mechanical type expansion and contraction winding drum further comprises a clutch, the clutch is relatively fixed with the expansion and contraction driving motor, and the expansion and contraction driving motor is connected with the expansion and contraction screw rod through the clutch.

Further, the mechanical collapsible drum further comprises a base, and the collapsible driving motor, the main shaft bearing and the drum driving motor are all fixed with the base; the two main shaft bearings are arranged at intervals, and the driven gear is positioned between the two main shaft bearings.

The utility model has the following advantages:

the main shaft bearing is used for fixing the main shaft of the winding drum, the outer sleeve of the main shaft of the winding drum is provided with a collapsible sliding sleeve, the front end of the collapsible sliding sleeve is fixedly provided with a collapsible gland, the collapsible screw rod is arranged in the main shaft of the winding drum in a penetrating way, the front end of the collapsible screw rod is screwed with the collapsible gland, and the rear end of the collapsible screw rod is in transmission connection with a collapsible driving motor, so that the main shaft of the winding drum is radially positioned by the main shaft bearing, the collapsible sliding sleeve is radially positioned by the main shaft of the winding drum, the collapsible gland is radially positioned by the collapsible sliding sleeve, the collapsible screw rod is radially positioned by the collapsible gland, and the front end of the collapsible screw rod cannot have the sagging problem caused by insufficient radial positioning; the rolling weight is increased, and the rolling weight is not directly acted on the expansion and contraction screw rod, but is acted on the expansion and contraction sliding sleeve and the winding drum main shaft, so that the expansion and contraction screw rod cannot be bent.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the scope of the utility model.

FIG. 1 is a front view of a mechanical collapsible drum according to an embodiment of the present utility model;

FIG. 2 is a top view of a mechanical collapsible drum according to an embodiment of the present utility model;

FIG. 3 is a partial left-hand view block diagram of a mechanical collapsible drum provided by an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a collapsible gland of a mechanical collapsible drum provided by an embodiment of the present utility model.

In the figure: the device comprises a base, a 2-expansion driving motor, a 3-clutch, a 4-spindle bearing, a 5-driven gear, a 6-reel spindle, a 7-reel outer cylinder, an 8-expansion hinge, a 9-expansion sliding sleeve, a 10-positioning pin, an 11-fixed hinge, a 12-expansion gland, 121-perforation, 122-small holes, 123-large holes, 124-large holes, a 13-expansion screw rod, a 14-reel driving motor and 15-driving gears.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.

As shown in fig. 1 to 4, the present embodiment provides a mechanical collapsible drum, which is used to solve the problem of the existing mechanically driven collapsible drum (such as the specific problem in the patent cited in the background art), and meanwhile, can also solve the problem of the existing hydraulically driven collapsible drum (such as avoiding the complex fault problem of the hydraulic form collapsible drum and the environmental protection problem caused by the oil leakage and oil seepage of the hydraulic system), and can be applied to the working condition that the hydraulic power cannot be used.

The mechanical collapsible drum comprises a base 1, a collapsible driving motor 2, a main shaft bearing 4, a drum main shaft 6, a collapsible screw rod 13, a collapsible sliding sleeve 9 and a collapsible gland 12. The collapsible drive motor 2 and the main shaft bearing 4 are both fixed on the base 1. The collapsible drive motor 2 is typically a servo motor. At least two spindle bearings 4 are used, and the two spindle bearings 4 are coaxially arranged at intervals so as to provide better supporting force for the reel spindle 6. The rear end of the reel spindle 6 rotatably penetrates through the two spindle bearings 4, and the other end of the reel spindle extends forwards; the spool spindle 6 has a central hole (not shown) extending through the length thereof for threading the collapsible rod 13, and the diameter of the central hole is generally larger than the diameter of the collapsible rod 13. The expansion and contraction screw rod 13 is rotatably arranged in a central hole of the reel spindle 6 in a penetrating way, and the rear end of the expansion and contraction screw rod 13 is exposed and is in transmission connection with the expansion and contraction driving motor 2; in general, the expansion screw 13 needs to design screw threads according to practical situations in application, and the thread direction should be opposite to the working rotation direction of the winding drum. The expansion sliding sleeve 9 is sleeved outside the reel spindle 6, and the expansion sliding sleeve 9 synchronously rotates along with the reel spindle 6 and can axially slide; the synchronous rotation is ensured and the axial sliding is also ensured by adopting a key connection mode; in this embodiment, a pin hole (not shown in the drawing) is arranged outside the collapsible sliding sleeve 9 in the form of a positioning pin 10, a bar-shaped groove (not labeled in the drawing) extending along the axial direction is arranged at a position corresponding to the pin hole of the reel spindle 6, the positioning pin 10 passes through the pin hole and stretches into the bar-shaped groove, the inner end of the positioning pin 10 is not attached to the bottom of the bar-shaped groove, and the outer end of the positioning pin 10 is in interference fit with the pin hole to be fixed. The expansion gland 12 is screwed on the front end of the expansion screw rod 13 and is fixed with the front end of the expansion sliding sleeve 9; a perforation 121 is arranged at the near edge of the collapsible gland 12, a threaded hole (not shown in the figure) is arranged at the front end of the collapsible sliding sleeve 9 corresponding to the perforation 121, and a positioning screw (not shown in the figure) passes through the perforation 121 and is screwed with the threaded hole, so that the collapsible gland 12 and the collapsible sliding sleeve 9 are fixed; five-stage stepped holes with two large ends and small middle are arranged at the axis of the collapsible gland 12, a collapsible movable nut (not shown in the figure) which is matched with the collapsible screw rod 13 is arranged at the middle small hole 122, the movable nut cannot rotate in the small hole 122, screw rod bearings (not shown in the figure) are arranged in secondary large holes 123 on the front side and the rear side of the middle small hole 122, locking nuts (not shown in the figure) are screwed in the outermost large holes 124, and the locking nuts are used for limiting the screw rod bearings. The main shaft bearing 4 and the screw rod bearing play a role in supporting and positioning in the structure, and the screw rod rotation precision and the service life are ensured.

The main shaft bearing 4 is utilized to fix the main shaft 6 of the winding drum, the expansion and contraction sliding sleeve 9 is sleeved outside the main shaft 6 of the winding drum, the expansion and contraction pressing cover 12 is fixed at the front end of the expansion and contraction sliding sleeve 9, the expansion and contraction screw rod 13 is arranged in the main shaft 6 of the winding drum in a penetrating way, the front end of the expansion and contraction pressing cover 12 is screwed in, and the rear end of the expansion and contraction screw rod 13 is in transmission connection with the expansion and contraction driving motor 2, so that the main shaft 6 of the winding drum is radially positioned by the main shaft bearing 4, the expansion and contraction sliding sleeve 9 is radially positioned by the main shaft 6 of the winding drum, the expansion and contraction pressing cover 12 is radially positioned by the expansion and contraction pressing cover 12, and the sagging problem caused by insufficient radial positioning of the front end of the expansion and contraction screw rod 13 can not occur; the increase of the winding weight does not directly act on the collapsible screw rod 13, but acts on the collapsible sliding sleeve 9 and the winding drum main shaft 6, so that the collapsible screw rod 13 is not bent.

In this embodiment, the mechanical collapsible drum further comprises a drum driving motor 14, a driving gear 15 and a driven gear 5. The roll driving motor 14 is fixed to the base 1. The driving gear 15 is provided on the motor shaft of the drum driving motor 14. The driven gear 5 is sleeved and fixed at the rear end of the reel spindle 6 and is positioned between the two spindle bearings 4. The driving gear 15 is meshed with the driven gear 5, and the driving gear 15 is smaller and the driven gear 5 is larger. By the scheme, the hollow cup motor can be avoided, and the problem that the zero starting torque of the hollow cup motor cannot be started is avoided; in addition, the expansion and contraction driving motor 2 does not need to be arranged inside the winding drum main shaft 6, so that the problem that motor wires are wound together along with rotation is avoided.

In this embodiment, the mechanical collapsible drum further comprises a drum outer cylinder 7, a fixed hinge 11 and a collapsible hinge 8. One end of the fixed hinge 11 is hinged with the inner side of the front part of the drum outer barrel 7, the other end of the fixed hinge is hinged with the collapsible sliding sleeve 9, one end of the collapsible hinge 8 is hinged with the inner side of the rear part of the drum outer barrel 7, and the other end of the collapsible hinge is hinged with the drum main shaft 6. The fixed hinge 11 and the expansion hinge 8 are hinged through a rotating shaft, and the hinged forms of the fixed hinge and the expansion hinge are consistent with or similar to those of the expansion winding drum disclosed by CN 209716097U; the drum expansion and contraction principle under the combined action of the drum outer drum 7, the fixed hinge 11, the expansion and contraction hinge 8, the expansion and contraction sliding sleeve 9 and the drum main shaft 6 is consistent with the drum expansion and contraction principle of the expansion and contraction drum disclosed by CN 209716097U; this part belongs to the prior art and is not described in detail here.

In this embodiment, the mechanical collapsible drum further comprises a clutch 3. The expansion and contraction driving motor 2 is connected with an expansion and contraction screw rod 13 through a clutch 3. When the drum expansion and contraction amount is adjusted, the clutch 3 controls the expansion and contraction driving motor 2 to be connected with the expansion and contraction screw rod 13, and when the drum expansion and contraction adjustment is finished and the drum is ready to rotate, the clutch 3 controls the expansion and contraction driving motor 2 to be disconnected with the expansion and contraction screw rod 13.

When in expansion and contraction, the clutch 3 is closed, the expansion and contraction driving motor 2 drives the expansion and contraction screw rod 13 to rotate, the expansion and contraction screw rod 13 drives the expansion and contraction sliding sleeve 9 to move back and forth by utilizing the expansion and contraction gland 12, and the drum outer drum 7 is close to or far from the drum main shaft 6 under the action of the fixed hinge 11 and the expansion and contraction hinge 8, so that expansion and contraction are realized; after the expansion and contraction is finished, the clutch 3 is disconnected, at the moment, the expansion and contraction screw rod 13 is separated from the expansion and contraction driving motor 2, the winding drum driving motor 14 works, and the winding drum main shaft 6 is driven to rotate through the driving gear 15 and the driven gear 5, so that winding and unwinding are realized.

While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims

1. The mechanical type collapsible drum is characterized by comprising a collapsible driving motor, a main shaft bearing, a drum main shaft, a collapsible screw rod, a collapsible sliding sleeve and a collapsible gland, wherein the collapsible driving motor and the main shaft bearing are relatively fixed, the rear end of the drum main shaft is rotatably arranged in the main shaft bearing in a penetrating manner, the other end of the drum main shaft extends forwards, the collapsible screw rod is rotatably arranged in the drum main shaft in a penetrating manner, the rear end of the collapsible screw rod is in transmission connection with the collapsible driving motor, the collapsible sliding sleeve is sleeved outside the drum main shaft, the collapsible sliding sleeve synchronously rotates along with the drum main shaft and can axially slide, and the collapsible gland is screwed at the front end of the collapsible screw rod and is fixed with the front end of the collapsible sliding sleeve.

2. The mechanical collapsible drum of claim 1, further comprising a drum driving motor, a driving gear and a driven gear, wherein the drum driving motor is fixed relative to the collapsible driving motor, the driving gear is arranged on a motor shaft of the drum driving motor, the driven gear is sleeved and fixed at the rear end of the drum main shaft, and the driving gear is meshed with the driven gear.

3. The mechanical collapsible drum of claim 1, further comprising a drum outer cylinder, a fixed hinge and a collapsible hinge, wherein one end of the fixed hinge is hinged to the front inner side of the drum outer cylinder, the other end is hinged to the collapsible sliding sleeve, one end of the collapsible hinge is hinged to the rear inner side of the drum outer cylinder, and the other end is hinged to the drum main shaft.

4. The mechanical collapsible drum of claim 1, further comprising a clutch, wherein the clutch is fixed relative to the collapsible drive motor, and wherein the collapsible drive motor is coupled to the collapsible lead screw via the clutch.

5. The mechanical collapsible reel of claim 1, further comprising a base, wherein the collapsible drive motor, the spindle bearing, and the reel drive motor are all fixed to the base; the two main shaft bearings are arranged at intervals, and the driven gear is positioned between the two main shaft bearings.