CN215518150U

CN215518150U - Hydraulic control device of partitioned controllable calender

Info

Publication number: CN215518150U
Application number: CN202122054855.0U
Authority: CN
Inventors: 王闻生; 刘永超; 孔祥波; 杨彬
Original assignee: Yantai Kejie Cnc Mechanical Equipment Co ltd
Current assignee: Yantai Kejie Cnc Mechanical Equipment Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-14
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a hydraulic control device of a zone-controllable calender, which comprises a first mounting bin arranged at the top of a mounting frame, wherein first working rollers are arranged at the bottoms of two sides of the inner wall of the mounting frame, sliding grooves are formed in the middle positions of the two sides of the inner wall of the mounting frame, a sliding block is arranged in each sliding groove, a second working roller is arranged on one side, away from the sliding grooves, of each sliding block, and through holes are formed in two sides of the bottom of the first mounting bin. According to the utility model, the contact rollers are uniformly arranged on the connecting plate and are tightly attached to the second working roller, so that the contact rollers can be matched with two sides of the bottom of the connecting plate to simultaneously apply pressure to the second working roller, and when the second working roller rotates, the contact rollers can rotate along with the connecting plate without obstructing the rotation of the second working roller, so that the stress of the second working roller is more uniform, the phenomenon that the second working roller is easy to deform is avoided, and the phenomenon that the load of the hydraulic cylinder main body is overlarge is avoided.

Description

Hydraulic control device of partitioned controllable calender

Technical Field

The utility model relates to the technical field of calenders, in particular to a hydraulic control device of a partitioned controllable calender.

Background

The paper is one of the commonly used raw materials in daily life and production, can utilize the paper to further produce multiple products, along with the continuous progress of society and science and technology, to the continuous deepening of paper manufacturing technique, multiple equipment of carrying out further processing preparation to the paper has appeared, the calender is one of them, it can improve the glossiness of paper, the calender is in the use, generally can have a plurality of compression rollers to cooperate each other and extrude the paper, the compression roller that is located the top generally drives its downstream through hydraulic control device, adjust the interval between the compression roller, and then implement the extrusion operation to the paper of different thickness.

The hydraulic control device of the existing zone-controllable calender is generally directly connected with and applies pressure to two ends of a compression roller through a hydraulic press mechanism, so that the main stress positions of the compression roller are two end positions, pressure distribution is uneven, and the compression roller is easy to deform to a certain degree after being used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a hydraulic control device of a zone-controllable calender.

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

a hydraulic control device of a zone controllable calender comprises a first mounting bin arranged at the top of a mounting frame, first working rolls are arranged at the bottoms of two sides of the inner wall of the mounting frame, and the middle positions of the two sides of the inner wall of the mounting rack are both provided with sliding chutes, the sliding chutes are internally provided with sliding blocks, and one side of the slide block, which is far away from the slide groove, is provided with a second working roller, both sides of the bottom of the first mounting bin are provided with through holes, and the middle position of the bottom of the first mounting bin is provided with a hydraulic cylinder main body, the output end of the hydraulic cylinder main body is connected with a second mounting bin, and both sides of the second mounting bin are uniformly provided with limiting grooves, the bottom of the second mounting bin is provided with a connecting plate, the inside one side of first installation storehouse is run through and is had positive and negative lead screw, positive and negative lead screw all overlaps in the outside that is close to both ends and is equipped with the gag lever post, and the gag lever post runs through the inside that the through-hole extends to the spacing groove.

Preferably, the cross section of the connecting plate is U-shaped, and the bottom of the connecting plate is fixedly connected with the sliding block.

Preferably, the U-shaped plate is evenly installed at the middle position of the bottom of the connecting plate, the contact roller is arranged on the inner side wall of the U-shaped plate, and the outer wall of the contact roller is tightly attached to the second working roller.

Preferably, the handle is installed to the one end that positive and negative lead screw kept away from first installation storehouse, and positive and negative lead screw and first installation storehouse constitution rotation structure relatively.

Preferably, the cross section of the limiting rod is L-shaped, the limiting rod is in threaded connection with the positive and negative screw rods, and the limiting rod and the through hole form a relative sliding structure.

Preferably, the rubber sleeve is pasted at the end, far away from the positive and negative lead screws, of the limiting rod, and the end, far away from the limiting rod, of the rubber sleeve is arranged in an arc edge mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. evenly be provided with the contact roller through on the connecting plate, and contact roller and the inseparable laminating of second work roll for the contact roller can cooperate the both sides of connecting plate bottom to exert pressure to the second work roll simultaneously, and when the second work roll rotated, the contact roller can rotate thereupon and can not obstruct the rotation of second work roll, thereby can make the atress of second work roll more even, avoids it to take place to warp easily.

2. Through the threaded connection of two sets of gag lever posts respectively with positive and negative lead screw, with the sliding connection who corresponds the through-hole for operating personnel has adjusted the back of the height of second work roller through the pneumatic cylinder main part, can rotate positive and negative lead screw and make two sets of gag lever posts insert the spacing inslot that corresponds respectively, and then make when leading to the fact the pneumatic cylinder main part to receive reaction force through the raw materials between first work roller and the second work roller, the gag lever post can assist shares the pneumatic cylinder main part, thereby avoid the load of pneumatic cylinder main part too big.

Drawings

Fig. 1 is a schematic sectional view of a hydraulic control apparatus of a zoned controllable calender according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic view of a hydraulic control device for a zoned controllable calender according to the present invention;

fig. 4 is a schematic perspective view of a second installation bin of a hydraulic control device of a zone-controlled calender according to the present invention.

In the figure: the device comprises a mounting frame, a first mounting bin, a first working roller, a sliding groove, a sliding block, a second working roller, a through hole, a hydraulic cylinder main body, a first mounting bin, a second mounting bin, a sliding groove, a sliding block and a sliding block, wherein the mounting frame is 1, the first mounting bin is 2, the second mounting bin is 9, a limiting groove is 10, a connecting plate is 11, a U-shaped plate, a contact roller is 13, a positive screw rod and a negative screw rod are 14, a handle is 15, a limiting rod is 16, and a rubber sleeve is 17.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present 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 other 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, a hydraulic control device of a zone-controllable calender comprises a first mounting bin 2 mounted on the top of a mounting frame 1, first working rolls 3 are arranged at the bottoms of two sides of the inner wall of the mounting frame 1, sliding grooves 4 are formed in the middle positions of the two sides of the inner wall of the mounting frame 1, a sliding block 5 is arranged inside the sliding groove 4, a second working roll 6 is arranged on one side of the sliding block 5 away from the sliding groove 4, through holes 7 are formed in two sides of the bottom of the first mounting bin 2, a hydraulic cylinder main body 8 is mounted in the middle position of the bottom of the first mounting bin 2, the output end of the hydraulic cylinder main body 8 is connected with a second mounting bin 9, limiting grooves 10 are uniformly formed in two sides of the second mounting bin 9, a connecting plate 11 is mounted at the bottom of the second mounting bin 9, the cross section of the connecting plate 11 is U-shaped, and the bottom of the connecting plate 11 is fixedly connected with the sliding block 5, when the hydraulic cylinder main body 8 drives the second mounting bin 9 and the connecting plate 11 to move upwards or downwards, the connecting plate 11 can drive the second working roll 6 to move upwards or downwards, so that the adjustment of the distance between the first working roll 3 and the second working roll 6 can be completed;

the U-shaped plates 12 are uniformly arranged in the middle of the bottoms of the connecting plates 11, the contact rollers 13 are arranged on the inner side walls of the U-shaped plates 12, and the outer walls of the contact rollers 13 are tightly attached to the second working rollers 6, so that when raw materials exist between the first working rollers 3 and the second working rollers 6 and are extruded, reaction force borne by the second working rollers 6 can be transmitted to the connecting plates 11 through the two sides of the bottoms of the connecting plates 11 and can be transmitted to the connecting plates 11 through the contact rollers 13, the connecting plates 11 and the second working rollers 6 are more uniformly stressed, deformation of the connecting plates and the second working rollers 6 is avoided, and when the second working rollers 6 rotate, the contact rollers 13 can rotate along with the connecting plates, and normal rotation work of the second working rollers 6 cannot be hindered;

a positive and negative screw rod 14 penetrates through one side inside the first mounting bin 2, a handle 15 is mounted at one end, away from the first mounting bin 2, of the positive and negative screw rod 14, and the positive and negative screw rod 14 and the first mounting bin 2 form a relative rotating structure, so that an operator can rotate the positive and negative screw rod 14 through the handle 15;

the outer sides of the positive and negative screw rods 14 close to the two ends are sleeved with limit rods 16, the limit rods 16 penetrate through the through holes 7 and extend to the inner parts of the limit grooves 10, the cross sections of the limit rods 16 are L-shaped, the limit rods 16 are in threaded connection with the positive and negative screw rods 14, and the limit rods 16 and the through holes 7 form a relative sliding structure, so that when the positive and negative screw rods 14 rotate, the two groups of limit rods 16 can simultaneously slide in opposite directions, and are inserted into the corresponding limit grooves 10 to limit the position of the second mounting bin 9, or the limit of the second mounting bin 9 is released;

the one end that positive and negative lead screw 14 was kept away from to gag lever post 16 is pasted and is had rubber sleeve 17, and the one end that gag lever post 16 was kept away from to rubber sleeve 17 is the arc limit setting, make behind gag lever post 16 inserts the spacing groove 10 that corresponds, gap between it can be filled up to rubber sleeve 17, and then when making second installation storehouse 9 receive reaction force, gag lever post 16 can share this reaction force with pneumatic cylinder main part 8 together, and then reduce pneumatic cylinder main part 8's load, avoid pneumatic cylinder main part 8 to lead to the fact life to shorten because it is great to receive the load for a long time easily.

When the device is used, as shown in figures 1-4, when the device is powered on and the distance between the first working roll 3 and the second working roll 6 needs to be adjusted, the forward rotating handle 15 drives the forward and reverse screw rods 14 to rotate, the forward and reverse screw rods 14 are respectively connected with the threads of the forward and reverse screw rods 14 through the two groups of limiting rods 16 and are in sliding connection with the through holes 7, so that the two groups of limiting rods 16 can slide away from the middle part to leave the corresponding limiting grooves 10, the limiting fixation of the second mounting bin 9 is released, the hydraulic cylinder main body 8 is controlled to drive the second mounting bin 9 to move up and down, the limiting grooves 10 are fixedly connected with the sliding blocks 5 through the fixed connection of the second mounting bin 9 and the limiting grooves 10, the sliding blocks 5 are in sliding connection with the sliding grooves 4, so that the second working roll 6 can move up or down along with the sliding blocks, and the distance between the second working roll 6 and the first working roll 3 is adjusted, at the moment, the handle 15 is rotated reversely to drive the two groups of limiting rods 16 to slide towards the direction close to the middle and to be inserted into the corresponding limiting grooves 10 again, and the rubber sleeve 17 can fully fill the gap between the limiting rods 16 and the limiting grooves 10, when the first working roll 3 and the second working roll 6 extrude the raw materials between the two working rolls, the raw materials can generate reaction force on the second working roll 6 and conduct the reaction force to the connecting plate 11 through two ends, at the moment, because the contact roll 13 is also in a fit state with the second working roll 6, the second working roll 6 can also conduct the reaction force to the contact roll 13, so that the whole stress of the second working roll 6 and the connecting plate 11 is more uniform, the second working roll 6 or the connecting plate 11 is prevented from being deformed easily, the reaction force is further conducted to the second mounting bin 9 and the hydraulic cylinder main body 8, at the moment, because the limiting rods 16 limit the second mounting bin 9, and the gap between the limiting rod 16 and the limiting groove 10 is filled up, so that the limiting rod 16 can be matched with the hydraulic cylinder main body 8 to share the reaction force, the load of the hydraulic cylinder main body 8 is reduced, and the influence on the service life of the hydraulic cylinder main body 8 caused by long-term high-load state is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A hydraulic control device of a zoned controllable calender comprises a first mounting bin (2) mounted at the top of a mounting rack (1), and is characterized in that first working rolls (3) are arranged at the bottoms of two sides of the inner wall of the mounting rack (1), sliding chutes (4) are formed in the middle positions of the two sides of the inner wall of the mounting rack (1), sliding blocks (5) are arranged inside the sliding chutes (4), second working rolls (6) are arranged on one sides, away from the sliding chutes (4), of the sliding blocks (5), through holes (7) are formed in two sides of the bottom of the first mounting bin (2), a hydraulic cylinder main body (8) is mounted at the middle position of the bottom of the first mounting bin (2), the output end of the hydraulic cylinder main body (8) is connected with a second mounting bin (9), limiting grooves (10) are uniformly formed in two sides of the second mounting bin (9), and a connecting plate (11) is mounted at the bottom of the second mounting bin (9), positive and negative lead screw (14) have been run through to inside one side in first installation storehouse (2), positive and negative lead screw (14) are close to the outside at both ends and all are equipped with gag lever post (16), and gag lever post (16) run through the inside that through-hole (7) extended to spacing groove (10).

2. A hydraulic control device of a zoned-controllable calender according to claim 1, characterized in that the cross-sectional shape of the connecting plate (11) is "U" and the bottom of the connecting plate (11) is fixedly connected to the slide (5).

3. The hydraulic control device of a zone-controlled calender as claimed in claim 1, wherein a U-shaped plate (12) is uniformly installed at the middle position of the bottom of the connecting plate (11), the inner side wall of the U-shaped plate (12) is provided with a contact roller (13), and the outer wall of the contact roller (13) is closely attached to the second work roller (6).

4. The hydraulic control device of a zone-controlled calender as claimed in claim 1, wherein a handle (15) is mounted at one end of the positive and negative screw mandrel (14) far away from the first installation bin (2), and the positive and negative screw mandrel (14) and the first installation bin (2) form a relative rotation structure.

5. The hydraulic control device of a zone-controlled calender as claimed in claim 1, wherein the cross-sectional shape of the limit rod (16) is "L" and the limit rod (16) is in threaded connection with the positive and negative screw rods (14), and the limit rod (16) and the through hole (7) form a relative sliding structure.

6. The hydraulic control device of a zone-controlled calender as claimed in claim 1, wherein the end of the limit lever (16) far from the positive and negative screw rods (14) is adhered with a rubber sleeve (17), and the end of the rubber sleeve (17) far from the limit lever (16) is arranged as an arc edge.