CN217531102U

CN217531102U - Negative pressure externally cutting device

Info

Publication number: CN217531102U
Application number: CN202221651154.3U
Authority: CN
Inventors: 赖地灵
Original assignee: Quanzhou Womeng Intelligent Equipment Co ltd
Current assignee: Quanzhou Womeng Intelligent Equipment Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-04
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to the technical field of sanitary product production equipment, a negative pressure externally cutting device, which comprises a frame, wherein the frame is provided with a hollow upper roller and a hollow lower roller, the upper roller and the lower roller are in longitudinal clearance fit, the inner cavities of the upper roller and the lower roller are connected with external air compression equipment of the equipment, the roller body is provided with a through hole to form a negative pressure system, the outer wall of the upper roller is provided with a cutting edge of a flange structure, a slidable card between the axial two ends of the upper roller and the frame is provided with an upper bearing seat, the top of the upper bearing seat is provided with an elastic mechanism, the bottom of the elastic mechanism is abutted against the upper bearing seat through an elastic part, and an elastic movable stroke can be provided for the upper roller; the lower roll both ends are through lower bearing rotatable coupling step, and step bottom fixed connection backup pad is equipped with roll adjustment mechanism between step top and the bolster bearing housing, and roll adjustment mechanism can adjust the interval between last roller and the lower roll. The utility model discloses help solving the problem that current structure blade is wearing and tearing easily.

Description

Negative pressure externally-cutting device

Technical Field

The utility model belongs to the technical field of health supplies production facility technique and specifically relates to a circumscribed device of negative pressure is related to.

Background

In the production and processing process of menstrual period trousers, the trousers need to be cut according to a preset contour, an upper roller body and a lower roller body are generally adopted, and when the composite body passes through the upper roller body and the lower roller body, the cutting can be completed by the extrusion of the cutting edges on the roller bodies. However, the distance between the two roller bodies is fixed at present, and the cutting edge is excessively extruded with the side wall of the other roller body easily during press cutting, so that the cutting edge is worn too fast, subsequent cutting quality is influenced, and the phenomenon of continuous cutting can occur, so that the roller bodies of the die need to be replaced frequently, and the processing cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure circumscribed device helps solving the easy problem of wearing and tearing of current structure blade.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a negative pressure outer cutting device comprises a rack, wherein a hollow upper roller and a hollow lower roller are arranged on the rack, the upper roller and the lower roller are in longitudinal clearance fit, inner cavities of the upper roller and the lower roller are connected with external air compression equipment of the equipment, a through hole is formed in a roller body to form a negative pressure system, a cutting edge of a flange structure is arranged on the outer wall of the upper roller, an upper bearing seat is slidably clamped between the two axial ends of the upper roller and the rack, an elastic mechanism is arranged at the top of the upper bearing seat, the bottom of the elastic mechanism is abutted to the upper bearing seat through an elastic piece, and an elastic movable stroke can be provided for the upper roller; the lower roll both ends are through lower bearing rotatable coupling step, and step bottom fixed connection backup pad is equipped with roll adjustment mechanism between step top and the bolster bearing housing, and roll adjustment mechanism can adjust the interval between last roller and the lower roll.

Preferably, the elastic mechanism comprises a base fixedly arranged at the top of the rack, a pressure plate is arranged below the base, a pressure regulating screw rod is arranged at the central position between the pressure plate and the base, the bottom of the pressure regulating screw rod is in threaded connection with the pressure plate, the top of the pressure regulating screw rod penetrates through the base and is connected with a dial, the bottom of the dial is fixedly connected with the base through a cover plate, and a limiting structure for longitudinally restraining the pressure regulating screw rod is arranged in the cover plate;

the base is further provided with a guide rod parallel to the pressure regulating screw rod, the guide rod can slidably penetrate through the base and the pressure plate, the bottom of the guide rod is connected with the top of the upper bearing seat, and a disc spring sleeved on the guide rod is arranged between the pressure plate and the upper bearing seat.

Preferably, the guide rod is connected with a flange nut in the area above the base, and a spring is arranged between the bottom of the flange nut and the base.

Preferably, roll adjustment mechanism locates the roll adjustment screw rod between bolster bearing housing and the step, and roll adjustment screw rod both ends extend to the frame outside including the level, and with frame rotatable coupling, threaded connection has the movable block on the roll adjustment screw rod, and movable block top and bolster bearing housing bottom surface are the inclined plane structure of looks adaptation, and movable block top surface and bolster bearing housing bottom surface butt drive the movable block lateral shifting through rotatory roll adjustment screw rod, can adjust the bolster bearing housing height.

Compared with the prior art, the utility model discloses at least, including following advantage:

the utility model discloses a set up elastic mechanism at the top of the last bearing frame, guide arm, dish spring and clamp plate synergism among the elastic mechanism can provide the elasticity space of a vertical activity for last roller, when the last roller cuts the action, can possess the rebound after the blade extrusion surpasses rated load, prevents the excessive extruded effect of blade, and in order to guarantee to cut the effect to and adjustment blade operation height, the utility model discloses a set up roll adjustment mechanism and realize, utilize the roll adjustment screw rod to drive movable block lateral shifting, change the butt position on inclined plane between movable block and the bolster bearing housing for the height of last roller can carry out meticulous regulation.

Drawings

FIG. 1 is a front cross-sectional view of an under pressure outer cutter in one embodiment;

FIG. 2 is a schematic view of the elastic mechanism;

FIG. 3 is a schematic view of the structure of the negative pressure chamber;

fig. 4 is a schematic structural view of the pitch adjusting mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the one element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, this embodiment discloses a negative pressure circumscribed device, including being used for being connected fixed frame with external equipment, be equipped with last roller 1 and lower roll 2 of cavity horizontal roll body structure in the frame, both vertical clearance fit between them, go up the clearance between roller 1 and the lower roll 2 and supply the flaky material to wear to establish current, when the material passes this clearance, upper and lower both ends are by last roller 1 and lower roll 2 centre gripping, go up roller 1 and lower roll 2 one end and be equipped with the gear, be connected with external motor transmission through the chain, the rotatory material that drives of motor drive roll body moves ahead.

Go up roller 1 and lower roll 2 both inside cavities and be connected with the outside air compression equipment of equipment, be equipped with through-hole 9 on the roll body, it is equipped with negative pressure chamber 51 to go up roller 1 one side, lower roll 2 one side is equipped with down negative pressure chamber 52, it is fixed with the pivot of roll body to utilize locking piece 6 on negative pressure chamber 51 and the lower negative pressure chamber 52, it connects 7 to be equipped with on negative pressure chamber 51 and the lower negative pressure chamber 52, be used for being connected with the pipe fitting, form negative pressure system through above-mentioned structure, this makes and cuts the front and back to the material, can fix the material on the roll body surface through adsorbing, this helps promoting the cutting quality, and guarantee stable pay-off action. The upper roller 1 and the lower roller 2 are provided with scrapers at the rear ends thereof in a matching manner, and are used for separating the cut materials from the roller body and feeding the materials into the next conveying mechanism.

Go up 1 outer wall of roller and be equipped with blade 11 of flange structure, this blade 11 can cut off the material when two roll bodies carry out the extrusion centre gripping to the material.

The axial both ends of going up roller 1 are connected with upper bearing 12, but pass through linear guide structure slip card between upper bearing 12 and the frame and be equipped with bolster bearing housing 13, and bolster bearing housing 13 top is equipped with elastic mechanism 3, and elastic mechanism 3 bottom is passed through the elastic component and is supported 13 butts with bolster bearing housing, can provide an elasticity activity stroke for going up roller 1. Specifically, elastic mechanism 3 is equipped with the clamp plate 32 of horizontal plate structure including setting firmly in the base 31 at frame top below base 31, is equipped with vertical pressure regulating screw 33 in central point department of putting between clamp plate 32 and the base 31, and pressure regulating screw 33 bottom and clamp plate 32 threaded connection, pressure regulating screw 33 top slidable wear to establish base 31, and its top threaded connection has calibrated scale 35, and calibrated scale 35 bottom is connected fixedly through apron 34 and base 31. The installation height of the pressing plate 32 is determined by the mark on the dial 35, and the pressing plate 32 can be driven to move up and down by rotating the dial 35.

Furthermore, a limiting structure for longitudinally limiting the pressure regulating screw 33 is arranged in the cover plate 34, so that when the dial 35 is rotated, the pressure regulating screw 33 only rotates, and the height does not change.

The base 31 is further provided with a guide rod 36 parallel to the pressure regulating screw 33, the guide rod 36 can slidably penetrate through the base 31 and the pressure plate 32, the bottom of the guide rod 36 is fixedly connected with the top of the upper bearing seat 13 through threads, a disc spring 37 sleeved on the guide rod 36 is arranged between the pressure plate 32 and the upper bearing seat 13, and the disc spring 37 has stable elastic characteristics and can exert stable constraint force on the upper bearing seat 13 in the lifting process of the upper bearing seat 13.

Furthermore, a flange nut 39 is connected to the guide rod 36 at the upper region of the base 31, and a spring 38 is arranged between the bottom of the flange nut 39 and the base 31. The spring 38 in this embodiment is a light-load spring 38, which mainly functions to keep the guide rod 36 in a tensioned state in a free state.

Lower roll 2 both ends are through lower bearing 22 rotatable coupling lower bearing frame 23, and lower bearing frame 23 bottom fixed connection backup pad 4 is equipped with roll adjustment mechanism 8 between lower bearing frame 23 top and the bolster bearing housing 13, and roll adjustment mechanism 8 can adjust the interval between last roller 1 and the lower roll 2.

Specifically, roll adjustment mechanism 8 includes that the level locates roll adjustment screw 81 between bolster bearing housing 13 and the step 23, and roll adjustment screw 81 both ends extend to the frame outside, and with frame rotatable coupling, threaded connection has movable block 82 on the roll adjustment screw 81, and the inclined plane structure of movable block 82 top and bolster bearing housing 13 bottom surface for the looks adaptation, and the top surface of movable block 82 and the 13 bottom surface butt of bolster bearing housing drive movable block 82 lateral shifting through rotatory roll adjustment screw 81, can adjust bolster bearing housing 13 height. The distance adjusting mechanism 8 is mainly used for adjusting the distance between the upper roller 1 and the lower roller 2, so that the distance is matched with the operation stroke of the elastic mechanism 3, and the cutting edge 11 is protected while the cutting effect is guaranteed more effectively.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A negative pressure externally-cutting device comprises a rack, wherein a hollow upper roller and a hollow lower roller are arranged on the rack, the upper roller and the lower roller are longitudinally in clearance fit, an inner cavity of the upper roller and an inner cavity of the lower roller are connected with an external air compression device of the device, and a through hole is formed in a roller body to form a negative pressure system; the lower roll both ends are through lower bearing rotatable coupling step, and step bottom fixed connection backup pad is equipped with roll adjustment mechanism between step top and the bolster bearing housing, and roll adjustment mechanism can adjust the interval between last roller and the lower roll.

2. The negative pressure external cutting device according to claim 1, wherein the elastic mechanism comprises a base fixedly arranged at the top of the frame, a pressure plate is arranged below the base, a pressure regulating screw is arranged at a central position between the pressure plate and the base, the bottom of the pressure regulating screw is in threaded connection with the pressure plate, the top of the pressure regulating screw penetrates through the base and is connected with a dial, the bottom of the dial is fixedly connected with the base through a cover plate, and a limiting structure for longitudinally restraining the pressure regulating screw is arranged in the cover plate;

3. The negative pressure outer cutting device as claimed in claim 2, wherein the guide rod is connected with a flange nut in the area above the base, and a spring is arranged between the bottom of the flange nut and the base.

4. The negative-pressure outer cutting device as claimed in claim 1, wherein the distance adjusting mechanism comprises a distance adjusting screw horizontally arranged between the upper bearing seat and the lower bearing seat, two ends of the distance adjusting screw extend to the outer side of the machine frame and are rotatably connected with the machine frame, a movable block is in threaded connection with the distance adjusting screw, the top of the movable block and the bottom of the upper bearing seat are of matched inclined surface structures, the top surface of the movable block is abutted against the bottom of the upper bearing seat, and the movable block is driven to move transversely by rotating the distance adjusting screw, so that the height of the upper bearing seat can be adjusted.