CN210214326U

CN210214326U - Geomembrane straight line cutting device

Info

Publication number: CN210214326U
Application number: CN201920818602.6U
Authority: CN
Inventors: Xiuhua Chen; 陈秀华
Original assignee: Jiangsu Chuangxin Earthwork Material Co Ltd
Current assignee: Jiangsu Chuangxin Earthwork Material Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-03-31
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a geomembrane straight line cutting device relates to cutting device technical field. The utility model comprises a base, wherein an unwinding mechanism, a guide mechanism, a cutting mechanism and a clamping mechanism are fixedly connected on the surface of the base from left to right in sequence; one surface of the cutting mechanism is connected with the clamping mechanism in a sliding manner; two grooves are formed in one surface of the base; the inner wall of the groove is connected with a tightening mechanism in a sliding way; the inner walls of the two grooves are fixedly connected with electric push rods; the unwinding mechanism comprises two brackets; one surface of each of the two brackets is in threaded connection with an adjusting rod. The utility model discloses a pressure sensor, fixture, tightening mechanism and electric putter's cooperation can be with the indirect tension that monitors the geomembrane of the mode of pressure data monitoring to make the geomembrane can abundant tensioning when the straight line cutting, the edge of a knife is unanimous when guaranteeing then the straight line cutting, solves traditional cutting device and appears the inconsistent problem of the edge of a knife easily.

Description

Geomembrane straight line cutting device

Technical Field

The utility model belongs to the technical field of cutting device, especially, relate to a geomembrane straight line cutting device.

Background

The geomembrane with excellent water resistance, durability and protection is widely applied to projects such as railways, highways, sports halls, dams, hydraulic buildings, tunnels, coastal beaches, reclamation, environmental protection and the like.

Because the geomembrane has the characteristic of higher strength, the geomembrane is not easy to be cut into an ideal shape in the sample cutting preparation stage of shearing and stretching tests, the method mainly adopted by the current laboratory for preparing the geomembrane sample is mainly to directly cut by a knife or scissors, the phenomena of unsatisfactory cutting size and shape, even damage caused by cutting and the like of the sample often occur, and further the test efficiency and the final result of the test are influenced. The cutting method is the most efficient cutting method, for example, a winding drum geomembrane linear cutting device with the publication number of CN108943041A is used for realizing the linear cutting of the geomembrane, but the device cannot adjust the tension degree of the geomembrane during the cutting process, and if the geomembrane is cut under the condition of looseness, the situation that the cutting edge is not easy easily occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geomembrane straight line cutting device through unwinding mechanism, cutting mechanism, fixture and tightening mechanism's design, has solved the problem that current geomembrane straight line cutting device can not adjust the geomembrane rate of tension.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a geomembrane linear cutting device, which comprises a base; an unwinding mechanism, a guide mechanism, a cutting mechanism and a clamping mechanism are fixedly connected to one surface of the base from left to right in sequence; one surface of the cutting mechanism is connected with the clamping mechanism in a sliding manner; two grooves are formed in one surface of the base; the inner wall of the groove is connected with a tightening mechanism in a sliding manner; the inner walls of the two grooves are fixedly connected with electric push rods;

the unwinding mechanism comprises two brackets; one surface of each of the two brackets is in threaded connection with an adjusting rod; the peripheral side surfaces of the two adjusting rods are in threaded connection with limiting discs; four limiting holes are formed in one surface of the limiting disc; one surface of the bracket is movably connected with a geomembrane winding drum through a limiting disc;

the cutting mechanism comprises a connecting seat; two guide rods and two pressure sensors are fixedly connected to one surface of the connecting seat respectively; the clamping mechanism comprises a U-shaped frame; the inner wall of the U-shaped frame is connected with the guide rod in a sliding manner; a lower toothed plate is fixedly connected between the inner surfaces of the U-shaped frames; two handles are connected to one surface of the U-shaped frame through threads; one end of the handle is fixedly connected with an upper toothed plate;

the tightening mechanism comprises two fixing frames; one end of the electric push rod is fixedly connected with the fixing frame; a first friction roller and a second friction roller are respectively and rotatably connected between the opposite surfaces of the two fixing frames; the circumferential side surfaces of the first friction roller and the second friction roller are connected through a belt.

Further, the cutting mechanism further comprises a cutting assembly and a first transmission motor; two sliding rods and a threaded rod are fixedly connected between the opposite surfaces of the connecting seat respectively; the peripheral side surfaces of the two sliding rods and the threaded rod are connected with a cutting assembly; a cutter groove is formed in one surface of the connecting seat; one end of the output shaft of the first transmission motor is fixedly connected with the threaded rod.

Furthermore, the four limiting holes are distributed on one surface of the limiting disc in a circular array.

Furthermore, buffer springs are sleeved on the peripheral side surfaces of the four guide rods; the buffer spring is positioned between the connecting seat and the U-shaped frame.

Further, the tightening mechanism is positioned between the guide mechanism and the cutting mechanism; one surface of the fixed frame is fixedly connected with a second transmission motor; one end of the output shaft of the second transmission motor is in transmission connection with the first friction roller through a belt.

The utility model discloses following beneficial effect has:

1. the utility model discloses a pressure sensor, fixture, tightening mechanism and electric putter's cooperation can be with the indirect tension that monitors the geomembrane of the mode of pressure data monitoring to make the geomembrane can abundant tensioning when the straight line cutting, the edge of a knife is unanimous when guaranteeing then the straight line cutting, solves traditional cutting device and appears the inconsistent problem of the edge of a knife easily.

2. The utility model discloses an adjusting pole and the design of spacing dish among the unwinding mechanism make the device can carry out spacing and centre gripping to the geomembrane reel of multiple specification in cutting and centre gripping within range to improve the device's commonality.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a geomembrane linear cutting device;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic front view of the structure of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of the unwinding mechanism;

FIG. 6 is a schematic structural view of a tightening mechanism;

FIG. 7 is a schematic structural view of a clamping mechanism;

FIG. 8 is a schematic view of the cutting mechanism;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-unreeling mechanism, 3-guiding mechanism, 4-cutting mechanism, 5-clamping mechanism, 6-groove, 7-tightening mechanism, 8-electric push rod, 201-support, 202-adjusting rod, 203-limiting disk, 204-limiting hole, 205-geomembrane reel, 401-connecting seat, 402-guiding rod, 403-pressure sensor, 404-cutting component, 405-first driving motor, 406-sliding rod, 407-threaded rod, 408-buffer spring, 501-U-shaped frame, 502-lower toothed plate, 503-handle, 504-upper toothed plate, 701-fixing frame, 702-first friction roller, 703-second friction roller and 704-second driving motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention relates to a geomembrane linear cutting device, which comprises a base 1; an unwinding mechanism 2, a guide mechanism 3, a cutting mechanism 4 and a clamping mechanism 5 are fixedly connected to one surface of the base 1 from left to right in sequence; one surface of the cutting mechanism 4 is connected with the clamping mechanism 5 in a sliding way; two grooves 6 are arranged on one surface of the base 1; the inner wall of the groove 6 is connected with a tightening mechanism 7 in a sliding way; the inner walls of the two grooves 6 are fixedly connected with electric push rods 8;

the unwinding mechanism 2 comprises two brackets 201; one surface of each of the two brackets 201 is in threaded connection with an adjusting rod 202; the distance between the two limiting discs 203 can be adjusted by adjusting the screwing-in length of the adjusting rods 202, and then the geomembrane winding drums 205 with various specifications are limited within the clamping and fixing range, and the peripheral side surfaces of the two adjusting rods 202 are in threaded connection with the limiting discs 203; four limiting holes 204 are formed in one surface of the limiting disc 203; one surface of the bracket 201 is movably connected with a geomembrane winding drum 205 through a limiting disc 203; the geomembrane reel 205 can rotate on the limiting hole 204;

the cutting mechanism 4 includes a connecting seat 401; two guide rods 402 and two pressure sensors 403 are respectively fixedly connected to one surface of the connecting seat 401; the pressure sensor 403 is positioned between the two guide rods 402, the pressure sensor 403 is used for monitoring pressure data of the U-shaped frame 501 on the connecting seat 401 and transmitting the pressure data to a controller matched with the second transmission motor 704, the controller adjusts the working state of the second transmission motor 704 according to pressure mean value data of the two pressure sensors 403, and a power-off brake is installed in the second transmission motor 704 to ensure the braking capacity of the second transmission motor 704 after power-off; the models of the two pressure sensors 403 are both RP-S40-ST, and the controller is a common PLC controller; the clamping mechanism 5 comprises a U-shaped frame 501; the inner wall of the U-shaped frame 501 is connected with the guide rod 402 in a sliding way; a lower toothed plate 502 is fixedly connected between the inner surfaces of the U-shaped frames 501; two handles 503 are connected to one surface of the U-shaped frame 501 through threads; the distance between the upper toothed plate 504 and the lower toothed plate 502 is reduced through the rotation of the handle 503, the geomembrane is clamped, and the upper toothed plate 504 is fixedly connected to one end of the handle 503; both the upper toothed plate 504 and the lower toothed plate 502 are provided with shallow teeth;

the tightening mechanism 7 includes two fixing frames 701; one end of the electric push rod 8 is fixedly connected with the fixing frame 701; a first friction roller 702 and a second friction roller 703 are respectively connected between the opposite surfaces of the two fixing frames 701 in a rotating way; the circumferential sides of the first friction roller 702 and the second friction roller 703 are connected by an 8-shaped belt, so that the first friction roller 702 and the second friction roller 703 have the same rotation direction, and the circumferential sides of the first friction roller 702 and the second friction roller 703 are provided with a plurality of rubber friction strips.

Wherein the cutting mechanism 4 further comprises a cutting assembly 404 and a first drive motor 405; two sliding rods 406 and a threaded rod 407 are respectively and fixedly connected between the opposite surfaces of the connecting seat 401; the two sliding rods 406 and the circumferential side surfaces of the threaded rod 407 are connected with the cutting assembly 404; the cutting assembly 404 includes a cutting blade and a movable mount coupled to a slide bar; the cutting knife is fixed on the movable seat, and one end of the cutting knife is abutted against the knife groove; a cutter groove is formed on one surface of the connecting seat 401; one end of the output shaft of the first drive motor 405 is fixedly connected to the threaded rod 407.

Wherein, the four limiting holes 204 are distributed on one surface of the limiting disc 203 in a circular array.

As shown in fig. 8, the peripheral sides of the four guide rods 402 are all sleeved with buffer springs 408; the buffer spring 408 is used for avoiding hard contact between the U-shaped frame 501 and the pressure sensor 403; the buffer spring 408 is located between the connecting seat 401 and the U-shaped frame 501.

Wherein, the tightening mechanism 7 is positioned between the guide mechanism 3 and the cutting mechanism 4; a second transmission motor 704 is fixedly connected to one surface of a fixing frame 701; one end of the output shaft of the second transmission motor 704 is in transmission connection with the first friction roller 702 through a belt.

One specific application of this embodiment is: when the device is used, according to the specification of the geomembrane winding drum 205, the distance between the two limiting discs 203 is adjusted by flexibly adjusting the screwing length of the adjusting rod 202 in the bracket 201, so that the geomembrane winding drum 205 is limited and clamped, the geomembrane enters the tightening mechanism 7 through the guide mechanism 3, when the geomembrane winding drum 205 is unreeled, the second transmission motor 704 rotates at a low speed to drive the unreeling drum to unreel, the cutting position of the geomembrane is adjusted according to the cutting requirement, after the cutting position is determined, the second transmission motor 704 stops operating, due to the power-off brake arranged in the second transmission motor 704, the rotation direction of the second transmission motor 704 is irreversible, meanwhile, the front section of the cutting position is limited through the upper toothed plate 502 and the lower toothed plate 504, after the limiting is completed, the geomembrane can not slide on the first friction roller 702 and the second friction roller 703, and after the second transmission motor 704 stops operating, electric putter 8 work, electric putter 8 drives two mount 701 forward displacement then, mount 701 is through the antedisplacement, make the geomembrane between mount 701 and the fixture 5 tighten up, when the geomembrane tightens up, U type frame 501 and connecting seat 401 contact, pressure sensor 403 is used for the pressure data of real-time supervision U type frame 501 to connecting seat 401, then indirectly judge the rate of tension of geomembrane, pressure data is big more promptly the rate of tension is big more, when the pressure data that pressure sensor 403 monitored surpassed the threshold value, electric putter 8 stop work, cutting mechanism 4 work afterwards, first drive motor 405 drives cutting assembly 404 along slide bar 406 direction linear motion through threaded rod 407, then accomplish the cutting operation to the geomembrane.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A geomembrane straight line cutting device, includes base (1), its characterized in that:

an unwinding mechanism (2), a guide mechanism (3), a cutting mechanism (4) and a clamping mechanism (5) are fixedly connected to one surface of the base (1) from left to right in sequence; one surface of the cutting mechanism (4) is connected with the clamping mechanism (5) in a sliding way; two grooves (6) are formed in one surface of the base (1); the inner wall of the groove (6) is connected with a tightening mechanism (7) in a sliding way; the inner walls of the two grooves (6) are fixedly connected with electric push rods (8);

the unreeling mechanism (2) comprises two brackets (201); one surface of each of the two brackets (201) is in threaded connection with an adjusting rod (202); the peripheral side surfaces of the two adjusting rods (202) are both in threaded connection with a limiting disc (203); a plurality of limiting holes (204) are formed in one surface of the limiting disc (203); one surface of the support (201) is movably connected with a geomembrane winding drum (205) through a limiting disc (203);

the cutting mechanism (4) comprises a connecting seat (401); one surface of the connecting seat (401) is fixedly connected with two guide rods (402) and two pressure sensors (403) respectively; the clamping mechanism (5) comprises a U-shaped frame (501); the inner wall of the U-shaped frame (501) is connected with the guide rod (402) in a sliding manner; a lower toothed plate (502) is fixedly connected between the inner surfaces of the U-shaped frames (501); one surface of the U-shaped frame (501) is in threaded connection with two handles (503); one end of the handle (503) is fixedly connected with an upper toothed plate (504);

the tightening mechanism (7) comprises two fixing frames (701); one end of the electric push rod (8) is fixedly connected with the fixing frame (701); a first friction roller (702) and a second friction roller (703) are respectively connected between the opposite surfaces of the two fixing frames (701) in a rotating way; the circumferential side surfaces of the first friction roller (702) and the second friction roller (703) are connected through a belt.

2. The linear geomembrane cutting device according to claim 1, wherein said cutting means (4) further comprises a cutting assembly (404) and a first transmission motor (405); two sliding rods (406) and a threaded rod (407) are respectively and fixedly connected between the opposite surfaces of the connecting seat (401); the peripheral sides of the two sliding rods (406) and the threaded rod (407) are connected with a cutting assembly (404); a cutter groove is formed in one surface of the connecting seat (401); one end of the output shaft of the first transmission motor (405) is fixedly connected with the threaded rod (407).

3. The geomembrane linear cutting device according to claim 1, wherein a plurality of said limiting holes (204) are distributed in a circular array on a surface of a limiting disc (203).

4. The geomembrane linear cutting device according to claim 1, wherein a plurality of said guide bars (402) are sleeved with a buffer spring (408) on the peripheral side; the buffer spring (408) is positioned between the connecting seat (401) and the U-shaped frame (501).

5. The linear geomembrane cutting device according to claim 1, wherein said tightening mechanism (7) is located between the guiding mechanism (3) and the cutting mechanism (4); one surface of the fixing frame (701) is fixedly connected with a second transmission motor (704); one end of an output shaft of the second transmission motor (704) is in transmission connection with the first friction roller (702) through a belt.