Doffing frame capable of actively rotating and accelerating

Abstract

A doffing frame capable of actively rotating and accelerating comprises a doffing frame body and an accelerating mechanism. The acceleration mechanism comprises a rotating platform base, a rotating platform and a power source; the rotating platform is rotationally connected to the rotating platform base; the power source is connected with and drives the rotating platform to rotate; the rotating axis of the rotating platform is vertical to the horizontal plane; the doffing frame body is detachably and vertically connected to the rotating platform; the doffing frame body comprises a base plate and a winding cage, the winding cage is vertically installed on the base plate, and the axis of the winding cage penetrates through the center of the base plate. A chassis placing area is arranged on the top surface of the rotating platform, the chassis is detachably arranged in the chassis placing area, the center of the chassis and the center of the rotating platform are located on the axis of the winding cage, and the chassis is limited and aligned by a limiting and aligning mechanism; the rotary connecting mechanism between the rotary platform and the rotary platform base is located between the bottom face of the rotary platform and the rotary platform base. According to the utility model, the conductors can be prevented from being twisted together to be snapped or thinned during paying off, so that the quality of cable products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable conductor processing, in particular to a wire drop rack with active rotation and speed increase. Background Art

[0002] Cable is a general term for optical cables, electrical cables, etc. Cables have many uses, mainly used for controlling installation, connecting equipment, transmitting electricity, and other multiple functions. They are common and indispensable in daily life.

[0003] The wire drop rack is mainly used for wire collection in the wire drawing process of cable companies, and for conductor pay-off in the wire core extrusion process.

[0004] When drawing the wire (refer to Figure 6 ), the wire drop rack allows the conductors after drawing to be neatly and orderly collected. Compared with the wire reel, it has a larger capacity, which is convenient for the next process and the production of the wire core extrusion process, reducing the frequency of operators changing reels, thereby reducing labor intensity. The conductor comes out of the conductor outlet of the wire drawing machine, and after circling around the wire drawing machine's pay-off port, it falls in a circle outside the winding cage of the wire drop rack.

[0005] When paying off the wire in the wire core extrusion process (refer to Figure 7 ), the wire drop rack (main body) is fixed on the ground, and the conductor is pulled out by the wire drawing equipment of the extrusion process. The centrifugal force is large and the speed is slow during pulling, and the production speed of the wire core extrusion process is low.

[0006] To this end, the utility model proposes a rotation speed-up mechanism for a wire drop rack to solve the above-mentioned problem. Summary of the invention

[0007] The active rotating speed-up wire drop frame of the utility model can realize the active wire release function of the wire drop frame, thereby improving the wire release speed, as described below.

[0008] A doffing rack with active rotation and speed-up, comprising a doffing rack body and a speed-up mechanism;

[0009] The speed-up mechanism comprises a rotating platform base, a rotating platform and a power source; the rotating platform is rotatably connected to the rotating platform base; the power source is connected to and drives the rotating platform to rotate; the rotating axis of the rotating platform is perpendicular to the horizontal plane;

[0010] The wire doffing rack body is detachably connected vertically to the rotating platform; the wire doffing rack body comprises a chassis and a winding cage, the winding cage is vertically mounted on the chassis, and the axis of the winding cage passes through the center of the chassis; the top surface of the rotating platform is provided with a chassis placement area, the chassis is detachably placed in the chassis placement area, and the center of the chassis and the center of the rotating platform are located on the axis of the winding cage, and the chassis is limited and aligned by a limit alignment mechanism;

[0011] The rotating connection mechanism between the rotating platform and the rotating platform base is located between the bottom surface of the rotating platform and the rotating platform base.

[0012] Specifically, the limit alignment mechanism is:

[0013] The shape of the bottom plate is a circular pancake shape with cut edges, and the cut edges of the bottom plate have at least one pair of parallel sides;

[0014] The limit alignment mechanism includes baffles installed on the rotating platform, which surround a chassis placement area on the rotating platform; at least one pair of baffles is positioned opposite to each other, and the inner sides of the baffles are parallel; the shape of the chassis corresponds to the chassis placement area.

[0015] Furthermore, the position limiting alignment mechanism includes four baffles, which are paired in pairs and have inner sides on four sides of the same rectangular parallelepiped; three of the four baffles are fixedly connected to the rotating platform, called fixed baffles, and one is detachably connected to the rotating platform, called a movable baffle;

[0016] In the intermediate state of chassis installation or removal, the movable baffle is in the removed state, and the chassis enters or exits the chassis placement area from the movable baffle;

[0017] When the chassis is placed in the area, the movable baffle is installed on the rotating platform.

[0018] Furthermore, the wire drop rack body also includes a protective cage; the protective cage is installed on the chassis and outside the winding cage, and the space between the winding cage and the protective cage is a conductor storage area; the top of the protective cage is open, serving as a conductor entry and exit end.

[0019] Furthermore, a lifting ring is connected to the top of the winding cage.

[0020] Specifically, the rotation connection mechanism between the rotating platform and the rotating platform base includes: an external gear slewing bearing and a driving gear;

[0021] The external gear slewing bearing is connected to the lower base plate of the slewing bearing, and the lower base plate of the slewing bearing is connected to the surface of the rotating platform base through the supporting plate; the rotating platform is installed on the external gear slewing bearing; the center of the rotating platform is on the rotating axis of the external gear slewing bearing;

[0022] The driving gear is connected to the output shaft of the power source through a transmission shaft; the driving gear is meshed with the external teeth of the external gear slewing bearing.

[0023] Specifically, the power source is a reduction motor; the reduction motor is installed on the rotating platform base; the reduction motor is connected to the rotating connection mechanism between the rotating platform and the rotating platform base through its output shaft.

[0024] Compared with the prior art, the beneficial effects of the utility model are mainly:

[0025] 1. The utility model has a simple structure and is easy to operate. It can prevent the conductors from being twisted together and being broken or thinned when the wires are released, thereby improving the quality of cable products.

[0026] 2. The utility model can realize that the conductor core in the doffing frame rotates in the same direction as the rotating platform during the wire unwinding process, thereby increasing the production line speed and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the whole machine of the utility model (main perspective);

[0028] Figure 2 This is a schematic diagram of the structure of the whole machine of the utility model (top view);

[0029] Figure 3 It is a structural schematic diagram of the slewing bearing of the utility model;

[0030] Figure 4 It is a structural schematic diagram (stereoscopic) of the speed-up mechanism of the utility model (without the wire drop frame body installed);

[0031] Figure 5 It is a structural schematic diagram of the wire doffing rack body of the utility model;

[0032] Figure 6 It is a schematic diagram of a wire doffing rack used for wire collection operation in the prior art;

[0033] Figure 7 It is a schematic diagram of a wire drop rack used for wire release operation in the prior art;

[0034] In the figure: 1 - rotating platform base, 2 - reduction motor, 3 - rotating platform, 4 - driving gear, 5 - transmission shaft, 6 - wire drop rack body, 7 - T-shaped locking pin, 8 - motor base, 9 - motor reinforcing rib plate, 10 - support plate, 11 - slewing bearing lower bottom plate, 12 - external gear slewing bearing, 13 - reinforcing rib plate, 14 - fixed baffle, 15 - chassis, 16 - winding cage, 17 - chassis placement area, 18 - protective cage, 19 - lifting ring, 20 - wire drawing machine, 21 - wire release guide wheel bracket, 22 - conductor, 22 - movable baffle. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with the accompanying drawings and specific implementations.

[0036] See also Figure 1 , Figure 2 and Figure 4The active rotating speed-up wire drop rack of the utility model includes a wire drop rack body 6 and a speed-up mechanism; the speed-up mechanism includes a rotating platform base 1, a rotating platform 3 and a power source; the wire drop rack body 6 is detachably vertically connected to the rotating platform 3; the rotating platform 3 is rotatably connected to the rotating platform base 1; the power source is connected to and drives the rotating platform to rotate; the rotating axis of the rotating platform is perpendicular to the horizontal plane.

[0037] In order to further adapt to engineering applications, the wire drop rack body 1 includes a chassis 15 and a winding cage 16, the winding cage is vertically mounted on the chassis, and the axis of the winding cage passes through the center of the chassis; the top surface of the rotating platform 3 is provided with a chassis placement area 17, the chassis can be detachably placed in the chassis placement area, and the center of the chassis and the center of the rotating platform are located on the axis of the winding cage, and the chassis is limited and aligned by a limiting alignment mechanism; the rotating connection mechanism between the rotating platform and the rotating platform base is located between the bottom surface of the rotating platform and the rotating platform base.

[0038] During implementation, the position limiting alignment mechanism is as follows: the chassis 15 is in the shape of a round pancake with trimmed edges, and the trimmed edges of the chassis have at least one pair of parallel edges; the position limiting alignment mechanism includes baffles mounted on the rotating platform 1, and the baffles form a chassis placement area 17 on the rotating platform; at least one pair of baffles is positioned opposite to each other, and the inner side surfaces of the baffles are parallel; the shape of the chassis corresponds to the chassis placement area. Specifically for this example, further reference is made to Figure 4 and Figure 5 The limit alignment mechanism includes four baffles, which are paired in pairs and have their inner sides on the four sides of the same rectangular parallelepiped; three of the four baffles are fixedly connected to the rotating platform, called fixed baffles 14, and one is detachably connected to the rotating platform, called movable baffle 22; in the intermediate state of chassis installation or removal, the movable baffle is in a removed state, and the chassis enters or exits the chassis placement area from the movable baffle; in the state within the chassis placement area, the movable baffle 22 is installed on the rotating platform 3 (through a T-shaped locking pin 7).

[0039] refer to Figure 5 The further improvement of this example is: the doffing rack body 1 also includes a protective cage 18; the protective cage 18 is installed on the chassis 15, and outside the winding cage, and the space between the winding cage and the protective cage is a conductor storage area; the top of the protective cage is open, serving as the conductor inlet and outlet. This improvement is conducive to production safety. In order to facilitate production transfer, a lifting ring 19 is connected to the top of the winding cage.

[0040] refer to Figure 3 and Figure 4In this example, the rotation connection mechanism between the rotating platform 3 and the rotating platform base 1 includes: an external gear slewing bearing 12 and a driving gear 4; the external gear slewing bearing is connected to the lower base plate 11 of the slewing bearing, and the lower base plate 11 of the slewing bearing is connected to the surface of the rotating platform base 1 through a support plate 10; the rotating platform 3 is mounted on the external gear slewing bearing 12; the center of the rotating platform is on the rotation axis of the external gear slewing bearing; the driving gear is connected to the output shaft of the power source through a transmission shaft; the driving gear is meshed with the external teeth of the external gear slewing bearing. The power source is a reduction motor 2; the reduction motor is mounted on the rotating platform base 1; the reduction motor is connected to the rotation connection mechanism between the rotating platform and the rotating platform base through its output shaft, that is, the output shaft of the reduction motor is connected to the transmission shaft 5 of the driving gear 4.

[0041] Specifically, the reduction motor 2 is installed on the rotating platform base 1 through the motor seat 8, and the motor reinforcing rib plate 9 is connected to the motor seat 8. The reduction motor 2 is connected to the driving gear (pinion) 4 through the transmission shaft 5; the external gear slewing bearing 12 is fixedly installed on the lower bottom plate 11 of the slewing bearing, and the driving gear 4 is in a meshing state with the external gear slewing bearing 12 as the driven gear, and the rotation of the external gear slewing bearing 12 can drive the rotating platform 3 to rotate; therefore, when the reduction motor 2 is working, the external gear slewing bearing 12 drives the rotating platform 3 to rotate, and the rotating platform 3 drives the wire drop frame body 6 to rotate.

[0042] Refer to Figure 1 and Figure 2 The doffing rack body 6 is mounted on the rotating platform 3 and is fixed around by fixed baffles 14 and reinforcing ribs 13. The reduction motor 2 drives the driving gear 4 to rotate through the transmission shaft 5, the driving gear 4 drives the external gear slewing bearing 12 to rotate, and the external gear slewing bearing 12 drives the rotating platform 3 to rotate, ensuring that the reduction motor 2 can drive the doffing rack body 6 to rotate when working.

[0043] In the prior art, reference Figure 7 , is to place the doffing frame body 6 on the ground, and then use the pulling force to passively pull the conductor out of the doffing frame body 6. This method has a large centrifugal force, low efficiency, and there is a risk that the pulled conductor will become thinner and twisted together. From the centrifugal force calculation formula F=mrω, it can be seen that when the mass m and the rotation radius r remain unchanged, the relative angular velocity ω can be reduced by actively rotating the doffing frame to release the wire, thereby reducing the centrifugal force.

Claims

1. A doffing rack with active rotation and speed-up, comprising a doffing rack body, characterized in that It also includes a speed-up mechanism; The speed-up mechanism comprises a rotating platform base, a rotating platform and a power source; the rotating platform is rotatably connected to the rotating platform base; the power source is connected to and drives the rotating platform to rotate; the rotating axis of the rotating platform is perpendicular to the horizontal plane; The wire doffing rack body is detachably connected vertically to the rotating platform; the wire doffing rack body comprises a chassis and a winding cage, the winding cage is vertically mounted on the chassis, and the axis of the winding cage passes through the center of the chassis; the top surface of the rotating platform is provided with a chassis placement area, the chassis is detachably placed in the chassis placement area, and the center of the chassis and the center of the rotating platform are located on the axis of the winding cage, and the chassis is limited and aligned by a limit alignment mechanism; The rotating connection mechanism between the rotating platform and the rotating platform base is located between the bottom surface of the rotating platform and the rotating platform base.

2. The active rotating speed-up doffing rack according to claim 1 is characterized in that The limit alignment mechanism is: The shape of the bottom plate is a circular pancake shape with cut edges, and the cut edges of the bottom plate have at least one pair of parallel sides; The limit alignment mechanism includes baffles installed on the rotating platform, which surround a chassis placement area on the rotating platform; at least one pair of baffles is positioned opposite to each other, and the inner sides of the baffles are parallel; the shape of the chassis corresponds to the chassis placement area.

3. The active rotating speed-up doffing rack according to claim 1 or 2, characterized in that The position limiting alignment mechanism includes four baffles, which are paired in pairs and have inner side surfaces on the four side surfaces of the same rectangular parallelepiped; three of the four baffles are fixedly connected to the rotating platform, called fixed baffles, and one is detachably connected to the rotating platform, called a movable baffle; In the intermediate state of chassis installation or removal, the movable baffle is in the removed state, and the chassis enters or exits the chassis placement area from the movable baffle; When the chassis is placed in the area, the movable baffle is installed on the rotating platform.

4. The active rotating speed-up doffing rack according to claim 1 is characterized in that The wire drop rack body also includes a protective cage; the protective cage is installed on the chassis and outside the winding cage, and the space between the winding cage and the protective cage is a conductor storage area; the top of the protective cage is open and serves as a conductor entry and exit end.

5. The active rotating speed-up doffing rack according to claim 1 or 4, characterized in that A lifting ring is connected to the top of the winding cage.

6. The active rotating speed-up doffing rack according to claim 1 is characterized in that The rotating connection mechanism between the rotating platform and the rotating platform base includes: an external gear slewing bearing and a driving gear; The external gear slewing bearing is connected to the lower base plate of the slewing bearing, and the lower base plate of the slewing bearing is connected to the surface of the rotating platform base through the supporting plate; the rotating platform is installed on the external gear slewing bearing; the center of the rotating platform is on the rotating axis of the external gear slewing bearing; The driving gear is connected to the output shaft of the power source through a transmission shaft; the driving gear is meshed with the external teeth of the external gear slewing bearing.

7. The active rotating speed-up doffing rack according to claim 1 or 6, characterized in that The power source is The reduction motor is installed on the rotating platform base; the reduction motor is connected to the rotating connection mechanism between the rotating platform and the rotating platform base through its output shaft.

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