Novel disc head brake device

Abstract

The utility model discloses a novel disc head brake device which comprises a rack and a disc head. A disc head is installed on the machine frame through a rotating shaft, the machine frame comprises a base and a side frame, the disc head is rotationally connected with the rotating shaft through a bearing, a first transmission gear is integrally formed on one side of the disc head, and a second transmission gear is meshed with the lower portion of the first transmission gear and fixedly connected to a gear shaft. Meanwhile, a bearing mounting hole is formed in the position, corresponding to the gear shaft, of a side frame on the right side of the rack, the gear shaft penetrates through the bearing mounting hole and is rotationally connected with the bearing mounting hole through a bearing, and the right end of the gear shaft penetrates through the bearing mounting hole and is fixedly connected with a brake wheel; the stepping motor is used for controlling the brake pad to make contact with the brake wheel, the speed reduction effect of the pan head can be freely controlled, and then the wire outlet speed of the pan head is controlled; the rotating shaft is placed in the placing groove, so that the rotating shaft and the pan head are convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of a pan head unwinding device, in particular to a novel pan head braking device. Background Art

[0002] A warp knitting machine uses one or several groups of parallel yarns to feed the warp into all the working needles of the machine at the same time to form a knitted fabric. This method is called warp knitting, and the machine that completes this warp knitting is called a warp knitting machine. Existing warp knitting machines generally use a disc to feed the warp.

[0003] For example, the patent with the authorization announcement number CN203451755U applied by our company discloses a warp beam device for manufacturing base fabrics, which is used in the manufacturing process of industrial base fabrics. The utility model includes a frame, a rotating shaft, and a warp head device; the warp head device is installed on the rotating shaft, and the rotating shaft is connected to the frame; it is characterized in that it also includes a tension adjustment device, and the tension adjustment device includes an adjustment rod, an adjustment roller, and a brake pad; the adjustment rod is rotatably connected to the frame; the adjustment roller is rotatably connected to the adjustment rod; one end of the brake pad is fixed to the frame, and the other end is fixed to the adjustment rod, and the brake pad is also connected to the warp head device.

[0004] The above patent structure is reasonably designed, which can prevent the yarn tension from being too large and is easy to adjust; however, the above patent has the disadvantages that the above patent will compress the yarn during braking, which will damage the yarn itself, and the above patent has a basically constant line speed, and the line speed of the disc head cannot be adjusted according to production needs, and cannot meet production needs.

[0005] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of the utility model is to provide a novel disc brake device to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A novel pan head brake device comprises a frame and a pan head; the pan head is mounted on the frame via a rotating shaft, the frame comprises a base and a side frame, the pan head is rotatably connected to the rotating shaft via a bearing, and a first transmission gear is integrally formed on one side of the pan head, a second transmission gear is meshed below the first transmission gear, and the second transmission gear is fixedly connected to the gear shaft; at the same time, a bearing mounting hole is arranged on the side frame on the right side of the frame corresponding to the gear shaft, the gear shaft passes through the bearing mounting hole and is rotatably connected to the bearing mounting hole via a bearing, and the right end of the gear shaft passes through the shaft The bearing mounting hole is fixedly connected with a brake wheel; at the same time, a guide column is integrally formed on the outer side of the side frame on the right side of the frame, and a guide groove with a T-shaped cross-section is vertically provided in the guide column, and an arc-shaped notch is provided in the guide column at the position corresponding to the brake wheel, and the notch is connected to the guide groove; a slide is slidably arranged in the guide groove, and at the same time, a brake pad is fixedly installed at the front end of the slide, and the front end of the brake pad is inclined, and the thickness of the brake pad gradually decreases from bottom to top; a ball screw mechanism is also vertically arranged in the guide groove to drive the brake pad to move up and down.

[0009] Furthermore, side frames are symmetrically arranged on the left and right sides of the top of the base, and the side frames are in the shape of an isosceles triangle as a whole. A placement groove is opened on the top of the side frame, and the left and right sides of the rotating shaft are fixedly installed in the placement groove.

[0010] Furthermore, the placement groove is generally U-shaped, and a U-shaped rib is provided on the outside of the placement groove, and an annular groove is provided at the corresponding rib of the rotating shaft. When the rotating shaft is placed in the annular groove, the annular groove is stuck in the U-shaped rib, thereby preventing the rotating shaft from moving in the axial direction.

[0011] Furthermore, the upper and lower ends of the screw rod of the ball screw mechanism are rotatably connected to the end plates through bearings, and the end plates are fixedly mounted on the upper and lower ends of the guide column respectively; the screw nut of the ball screw mechanism is fixedly mounted in the slide.

[0012] Furthermore, a stepper motor is fixedly mounted on the bottom of the end plate at the lower end of the guide column, and the output shaft of the stepper motor is transmission-connected to the lead screw of the ball screw mechanism.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model controls the contact between the brake pad and the brake wheel through a stepping motor, and can freely control the deceleration effect of the pan head, thereby controlling the outlet speed of the pan head; at the same time, a placement groove is used to place the rotating shaft, which is convenient for replacing the rotating shaft and the pan head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a new disc brake device.

[0016] Figure 2This is a front view of the new disc brake device.

[0017] Figure 3 It is a side view of the new disc brake device.

[0018] Figure 4 It is a top view of the new disc brake device.

[0019] Figure 5 It is a schematic diagram of the structure of the frame in the new disc head brake device.

[0020] Figure 6 for Figure 2 Sectional view along AA direction. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0022] See also Figure 1-6 , a novel pan head brake device comprises a frame 1 and a pan head 3;

[0023] The frame 1 is provided with a pan head 3 via a rotating shaft 2.

[0024] Specifically, the frame 1 includes a base 101 and a side frame 102.

[0025] The top of the base 101 is symmetrically provided with side frames 102 on both sides. The side frames 102 are in the shape of an isosceles triangle. A placement groove 103 is provided on the top of the side frames 102. The left and right sides of the rotating shaft 2 are fixedly installed in the placement groove 103.

[0026] In this embodiment, the placement groove 103 is U-shaped as a whole, and a U-shaped rib 104 is provided on the outside of the placement groove 103. An annular groove 105 is provided at the position of the rotating shaft 2 corresponding to the rib 104. When the rotating shaft 2 is placed in the annular groove 105, the annular groove 105 is stuck in the U-shaped rib 104, thereby preventing the rotating shaft 2 from moving in the axial direction.

[0027] The pan head 3 is rotatably connected to the rotating shaft 2 via a bearing, and a first transmission gear 301 is integrally formed on one side of the pan head 3, a second transmission gear 302 is meshed below the first transmission gear 301, and the second transmission gear 302 is fixedly connected to the gear shaft 303;

[0028] Meanwhile, a bearing mounting hole 304 is provided on the side frame 102 on the right side of the frame 1 corresponding to the gear shaft 303. The gear shaft 303 passes through the bearing mounting hole 304 and is rotatably connected to the bearing mounting hole 304 through a bearing. The right end of the gear shaft 303 passes through the bearing mounting hole 304 and is fixedly connected to the brake wheel 4.

[0029] At the same time, a guide column 401 is integrally formed on the outer side of the side frame 102 on the right side of the frame 1, and a guide groove 402 with a T-shaped cross section is vertically provided in the guide column 401. The guide column 401 is provided with an arc-shaped notch 403 at a position corresponding to the brake wheel 4, and the notch 403 is connected to the guide groove 402; a slide 404 is slidably provided in the guide groove 402, and a brake pad 405 is fixedly installed at the front end of the slide 404, and the front end of the brake pad 405 is inclined, and the thickness of the brake pad 405 gradually decreases from bottom to top;

[0030] A ball screw mechanism 406 is vertically arranged in the guide groove 402 to drive the brake pad 405 to move up and down.

[0031] The upper and lower ends of the screw rod of the ball screw mechanism 406 are rotatably connected to the end plate 407 through bearings, and the end plate 407 is fixedly installed at the upper and lower ends of the guide column 401 respectively; the screw nut of the ball screw mechanism 406 is fixedly installed in the slide 404; at the same time, a stepper motor 408 is also fixedly installed at the bottom of the end plate 407 at the lower end of the guide column 401, and the output shaft of the stepper motor 408 is drivingly connected to the screw rod of the ball screw mechanism 406;

[0032] When in use, the yarn 7 is led out from the disk head 3 and enters the loom. When the disk head needs to be decelerated, the stepper motor 408 is started to drive the ball screw mechanism 406 to move, and then drives the slide 404 to move upward along the guide groove 402; and the brake pad 405 at the front section of the slide 404 contacts the brake wheel, thereby controlling the deceleration of the disk head 3; by controlling the height of the brake pad, the contact pressure between the brake pad 405 and the brake wheel can be controlled, thereby controlling the deceleration effect.

[0033] In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "connection" and the like should be understood in a broad sense, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

Claims

1. A novel pan head brake device, comprising a frame and a pan head; the pan head is mounted on the frame via a rotating shaft, characterized in that: The frame includes a base and a side frame, the pan head is rotatably connected to the rotating shaft through a bearing, and a first transmission gear is integrally formed on one side of the pan head, and a second transmission gear is meshed below the first transmission gear, and the second transmission gear is fixedly connected to the gear shaft; at the same time, a bearing mounting hole is arranged on the side frame on the right side of the frame corresponding to the gear shaft, the gear shaft passes through the bearing mounting hole and is rotatably connected to the bearing mounting hole through the bearing, and the right end of the gear shaft passes through the bearing mounting hole and is fixedly connected to the brake wheel; at the same time, a guide column is integrally formed on the outer side of the side frame on the right side of the frame, a guide groove with a T-shaped cross section is vertically provided in the guide column, and an arc-shaped notch is provided in the guide column at the position corresponding to the brake wheel, and the notch is connected to the guide groove; a slide is slidably arranged in the guide groove, and a brake pad is fixedly installed at the front end of the slide, and the front end of the brake pad is inclined, and the thickness of the brake pad gradually decreases from bottom to top; a ball screw mechanism is also vertically arranged in the guide groove to drive the brake pad to move up and down.

2. The new disc brake device according to claim 1 is characterized in that: Side frames are symmetrically arranged on the left and right sides of the top of the base. The side frames are in an isosceles triangle shape as a whole. A placement groove is opened on the top of the side frame. The left and right sides of the rotating shaft are fixedly installed in the placement groove.

3. The new disc brake device according to claim 2 is characterized in that: The placement groove is generally U-shaped, and a U-shaped rib is provided on the outside of the placement groove. An annular groove is provided at the corresponding rib of the rotating shaft. When the rotating shaft is placed in the annular groove, the annular groove is stuck in the U-shaped rib, thereby preventing the rotating shaft from moving in the axial direction.

4. The novel disc brake device according to claim 1 is characterized in that: The upper and lower ends of the screw rod of the ball screw mechanism are rotatably connected to the end plates through bearings respectively, and the end plates are fixedly mounted on the upper and lower ends of the guide column respectively; the screw nut of the ball screw mechanism is fixedly mounted in the slide.

5. The novel disc brake device according to claim 4 is characterized in that: A stepper motor is also fixedly mounted on the bottom of the end plate at the lower end of the guide column, and the output shaft of the stepper motor is transmission-connected to the lead screw of the ball screw mechanism.

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