CN210030997U

CN210030997U - Drawing frame roller pressure adjusting device

Info

Publication number: CN210030997U
Application number: CN201920417927.3U
Authority: CN
Inventors: 顾金华
Original assignee: Changzhou Hongda Intelligent Equipment Industry Development Research Institute Co Ltd
Current assignee: Changzhou Hongda Intelligent Equipment Industry Development Research Institute Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-02-07
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a drawing frame roller pressure adjusting device, which comprises a pressure bar, a spring, a support and a pressurizing mechanism, wherein the upper end of the pressure bar and the spring are arranged in the support, the lower end of the pressure bar extends out of the support and is abutted against a shaft head of a roller, and the pressurizing mechanism comprises a push rod, a pressure sensor and a driving mechanism; the lower end of the push rod and the pressure sensor are arranged in the support, the pressure sensor is located between the push rod and the spring, or the pressure sensor is located between the pressing rod and the spring, the driving mechanism drives the push rod to do linear motion in the support, and the driving mechanism and the pressure sensor are both electrically connected with the drawing frame or an independently arranged electric controller. The utility model discloses need not to shut down when adjustment leather roller pressure, need not adopt specialized tool to measure pressure, can directly read out the leather roller pressure value on operation display screen in real time.

Description

Drawing frame roller pressure adjusting device

Technical Field

The utility model relates to a roller pressure adjusting device especially relates to a leather roller pressure adjusting device of drawing frame, belongs to frame technical field.

Background

In textile machinery, a drawing frame utilizes a roller and a leather roller to combine and draw the cotton slivers which are mutually dispersed, so that the uniformity of the cotton slivers and the straightening degree and the parallelism of fibers are improved, and the fibers with different qualities are mixed more uniformly in the cotton slivers. The roller pressure adjusting mechanism is an indispensable structure for drafting in order to better control the fiber movement.

On the drawing frame, the number of fed slivers is large, and the pressurizing of each pair of rollers is much larger than that of a roving frame and a spinning frame; whether the pressurizing amount is sufficient and stable or not, whether the pressure can be adjusted according to the process requirements or not, and whether the pressurizing amount is rapid and convenient or not are particularly important. The existing leather roller pressure adjusting mechanism comprises a pressure rod, a spring, a support and a pressurizing mechanism, wherein the pressurizing mechanism is usually used for pressurizing by screwing a nut with a wrench by utilizing the elastic force of the spring or pressurizing by utilizing an inflatable air bag pneumatically so as to enable a leather roller to obtain pressure. However, in the actual working process, the pressurizing mechanisms have the disadvantages that the machine needs to be stopped when the pressure of the leather roller is adjusted, a special tool needs to be adopted for measuring the pressure, and the pressure value of the leather roller cannot be directly read on an operation display screen in real time.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome prior art's is not enough, provides one kind and need not to shut down when adjusting the roller pressure, need not adopt specialized tool measuring pressure, can read out the drawing frame roller pressure adjustment device of roller pressure value in real time.

In order to solve the technical problem, the utility model discloses a such drawing frame roller pressure adjusting device, including depression bar, spring, support and loading system, the upper end of depression bar and spring are arranged in the support, the lower extreme of depression bar stretches out the support and offsets with the spindle nose of roller, loading system includes push rod, pressure sensor and actuating mechanism; the lower end of the push rod and the pressure sensor are arranged in the support, the pressure sensor is located between the push rod and the spring, or the pressure sensor is located between the pressing rod and the spring, the driving mechanism drives the push rod to do linear motion in the support, and the driving mechanism and the pressure sensor are both electrically connected with the drawing frame or an independently arranged electric controller.

As a preferred embodiment of the present invention, the driving mechanism includes a motor and a lead screw nut linear motion mechanism driven by the motor, a push plate is fixed on a nut in the lead screw nut linear motion mechanism, the upper end of the push rod is fixedly connected with the push plate, and the motor is electrically connected with the drawing frame or an electric controller which is independently arranged.

As an optimal embodiment of the utility model the lower extreme fixed mounting of support has angle bar form deflector offer the confession on the bottom plate of deflector the through-hole that the depression bar passed has seted up the rectangular hole on the curb plate of deflector, and the spindle nose of leather roller is arranged in the rectangular hole and with the rectangular hole is at vertical direction sliding connection.

In the present invention, the drawing frame or the independently installed electric controller is preferably a DDC digital controller or an ARM embedded industrial controller or an industrial personal computer or a PLC programmable controller having a man-machine interface.

After the structure is adopted, the utility model discloses following beneficial effect has:

the utility model discloses an automatically controlled digitization carries out the adjustment of leather roller pressure, need not to shut down, guarantees that the silver does not produce and shuts down the fault, guarantees the continuity of equipment production.

The utility model discloses a roller pressure value can directly read out on the operation display screen, can adjust roller pressure by real-time observation, reduces the evenness coefficient of variation value, improves the evenness quality, has avoided traditional mode to need to adopt specialized tool to measure, complex operation's drawback.

The utility model discloses a but real-time networking control of leather roller pressure data, the administrator of being convenient for ensures that production goes on according to the technological requirement.

Drawings

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the drawing frame roller pressure adjusting device of the present invention.

Fig. 2 is a schematic structural diagram of the middle pressing rod of the present invention.

Fig. 3 is a schematic structural diagram of the middle support of the present invention.

Fig. 4 is a schematic structural diagram of the middle push rod of the present invention.

Fig. 5 is a schematic structural diagram of the middle pressure sensor of the present invention.

Fig. 6 is a schematic front view of the middle guide plate of the present invention.

Fig. 7 is a schematic side view of the middle guide plate of the present invention.

Detailed Description

Referring to fig. 1 to 7, the pressure adjusting device for the leather roller of the drawing frame is used for adjusting the pressure of the leather roller 5 in real time, when the pressure adjusting device works, the leather roller 5 is matched with a roller 7, and a fiber strand such as a cotton sliver passes through the position between the leather roller 5 and the roller 7, the fiber strand is not shown in the figure, the pressure adjusting device for the leather roller of the drawing frame comprises a pressure lever 1, a spring 2, a support 3 and a pressurizing mechanism 4, wherein the support 3 can be a rectangular support with a through hole 3a in the center, a cylindrical support with a through hole 3a in the center, or other shapes which are not shown in the figure, the upper end of the pressure lever 1 and the spring 2 are arranged in the support 3, the lower end of the pressure lever 1 extends out of the support 3 to abut against a shaft head 5a of the leather roller 5, and the pressurizing mechanism 4 comprises a push rod 4; the lower end of the push rod 4-1 and the pressure sensor 4-2 are arranged in the support 3, the pressure sensor 4-2 is positioned between the push rod 4-1 and the spring 2, or the pressure sensor 4-2 is positioned between the press rod 1 and the spring 2, the drive mechanism drives the push rod 4-1 to do linear motion in the support 3, and the drive mechanism and the pressure sensor 4-2 are both electrically connected with a drawing frame or an independently arranged electric controller. In the utility model, when the pressure sensor 4-2 is located between the push rod 4-1 and the spring 2, the lower end of the push rod 4-1 is preferably fixedly connected with the pressure sensor 4-2 through a screw; when the pressure sensor 4-2 is located between the pressure lever 1 and the spring 2, the upper end of the pressure lever 1 is preferably fixedly connected with the pressure sensor 4-2 by a screw, not shown.

As a preferred embodiment of the present invention, as shown in fig. 1, the driving mechanism includes a motor 4-3 and a screw nut linear motion mechanism driven by the motor 4-3, the motor 4-3 is fixedly arranged on a bracket 9 through a mounting plate 8, the bracket 9 is arranged on a cradle of the drawing frame, the cradle is not shown in the figure, the support 3 of the utility model can be fixedly connected with the bracket 9 through bolts or welding, the support 3 can also be fixedly arranged on the cradle of the drawing frame, the screw rod nut linear motion mechanism comprises a screw rod 4-6 and a nut 4-4, a push plate 4-5 is fixed on a nut 4-4 in the feed screw nut linear motion mechanism through welding or other methods, the upper end of the push rod 4-1 is fixedly connected with the push plate 4-5 through a bolt, and the motor 4-3 is electrically connected with the drawing frame or an independently arranged electric controller. In the present invention, the driving mechanism can also adopt other conventional structures, not shown in the figure, for driving the push rod 4-1 to make linear motion in the support 3.

As a preferred embodiment of the present invention, as shown in fig. 1, 6 and 7, the lower end of the support 3 is fixedly mounted with an angle iron-shaped guide plate 6 through screws, a through hole 6a for the compression bar 1 to pass is provided on the bottom plate of the guide plate 6, a rectangular hole 6b is provided on the side plate of the guide plate 6, and the shaft head 5a of the leather roller 5 is disposed in the rectangular hole 6b and is connected with the rectangular hole 6b in a vertical sliding manner.

In the present invention, the drawing frame or the independently installed electric controller is preferably a DDC digital controller or an ARM embedded industrial controller or an industrial personal computer or a PLC programmable controller, not shown, having a human-machine interface. The utility model discloses in, this drawing frame roller pressure adjustment device can only be to the one end spindle nose 5a pressure adjustment of leather roller 5, also can be to the both ends spindle nose 5a simultaneous pressure adjustment of leather roller 5, shows in the figure as both ends adjustment.

As an optimal working process of the utility model, see FIG. 1, thereby motor 4-3 is started by the electric controller and drives lead screw 4-6 and rotates, make nut 4-4 and push pedal 4-5 make linear motion, thereby promote push rod 4-1, pressure sensor 4-2 makes spring 2 compress or relax, pressure passes through depression bar 1 and adds the spindle nose 5a of leather roller 5, thereby carry out pressure adjustment to leather roller 5, the compression capacity and the compressive force of spring 2 are directly proportional, the size of spring force is by the deflection of pressure sensor 4-2 self, the voltage value who produces converts digital signal transmission to and gives the electric controller, the electric controller shows the leather roller pressure value on the display screen.

Claims

1. The utility model provides a drawing frame leather roller pressure adjusting device, includes depression bar (1), spring (2), support (3) and loading system (4), the upper end and the spring (2) of depression bar (1) are arranged in support (3), the lower extreme of depression bar (1) stretches out support (3) offset its characterized in that with spindle nose (5 a) of leather roller (5): the pressurizing mechanism (4) comprises a push rod (4-1), a pressure sensor (4-2) and a driving mechanism; the lower end of the push rod (4-1) and the pressure sensor (4-2) are arranged in the support (3), the pressure sensor (4-2) is located between the push rod (4-1) and the spring (2), or the pressure sensor (4-2) is located between the pressure rod (1) and the spring (2), the driving mechanism drives the push rod (4-1) to do linear motion in the support (3), and the driving mechanism and the pressure sensor (4-2) are both electrically connected with the drawing frame or an independently arranged electric controller.

2. The drawing frame roller pressure adjusting device according to claim 1, characterized in that: the driving mechanism comprises a motor (4-3) and a screw-nut linear motion mechanism driven by the motor (4-3), a push plate (4-5) is fixed on a nut (4-4) in the screw-nut linear motion mechanism, the upper end of a push rod (4-1) is fixedly connected with the push plate (4-5), and the motor (4-3) is electrically connected with a drawing frame or an independently arranged electric controller.

3. The drawing frame roller pressure adjusting device according to claim 1, characterized in that: the lower extreme fixed mounting of support (3) has angle bar form deflector (6) seted up the confession on the bottom plate of deflector (6) through-hole (6 a) that depression bar (1) passed have seted up rectangular hole (6 b) on the curb plate of deflector (6), and spindle nose (5 a) of leather roller (5) are arranged in rectangular hole (6 b) and with rectangular hole (6 b) are at vertical direction sliding connection.

4. The drawing frame roller pressure adjusting apparatus according to claim 1, 2 or 3, wherein: the drawing frame or the independently arranged electric controller is a DDC digital controller with a man-machine operation interface, an ARM embedded industrial controller, an industrial personal computer or a PLC programmable controller.