Four-roller calender with blow-cooling function

Abstract

The utility model provides a four-roller calender with a blowing and cooling function. The four-roller calender comprises a calender body, wherein a blowing and cooling assembly is arranged on the inner side of the calender body; and the blow-cooling assembly comprises a cold air box arranged on the back face of the calender body, a filter screen is arranged at the top of the back face of the cold air box, and a partition plate is arranged on the inner side of the cold air box. According to the four-roller calender with the blow-cooling function, air is filtered through the cold air box and the filter screen, the air is cooled through the refrigerating machine, then the air is conveyed to the position below the partition plate through the pipeline at the bottom of the four-roller calender, and then cold air enters the calender body to cool the calender body; and through the arrangement of a bidirectional threaded rod, a connecting block, a connecting strip and a rotating rod, the fan can swing in a small range while blowing, the cooling effect is improved, and therefore the stability of the calender body is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to calendering machine field especially relates to a four roll calendering machine with blow cold function. BACKGROUND

[0002] Four roll calendering machine is a kind of calendering machine with four rollers, and the arrangement of the rollers is various, including T type, L type, S type and Z type etc.This equipment is mainly used for the precision rolling and calendering processing of raw materials such as rubber, plastic, non-ferrous metal, wave-absorbing material, shielding material and magnetic material.

[0003] The working principle of four roll calendering machine is that raw materials are fed into the middle of calendering roller by main machine, and under the oppression of calendering roller, raw materials are stretched, mixed and thinned, and finally the required product is formed.Electric motor drives calendering roller to rotate through transmission system, so that the difference of linear velocity is generated on the surface of calendering roller, thereby realizing the lateral stretching and plastic deformation of raw materials.

[0004] In the related art, application No.: CN202021197478.5 discloses a rubber four roll calendering machine convenient for heat exchange, which is convenient for fixing the baffle through the action of fastening bolt, so as to realize the function of shielding and protecting the rotating shaft by the baffle, thereby preventing the rotating shaft from being contaminated with stains.However, the device lacks a cooling structure for the calendering machine when in use, and a lot of heat is easily generated inside the calendering machine when it works for a long time, so the heat accumulated inside the calendering machine cannot be treated in time, which not only reduces the service life of the calendering roller, but also affects the stability of the whole calendering machine.

[0005] Therefore, it is necessary to provide a four roll calendering machine with blow cold function to solve the above technical problems. CONTENT OF UTILITY MODEL

[0006] The utility model provides a four roll calendering machine with blow cold function, solves the problem that in the related art, the existing part four roll calendering machine is inconvenient for blow cooling and temperature reduction inside the calendering machine when in use, so that the heat inside the calendering machine used for a long time cannot be relieved, thereby affecting the stability of the calendering machine.

[0007] To solve the above technical problems, the utility model provides a four roll calendering machine with blow cold function, which comprises a calendering machine body, and a blow cooling assembly is arranged on the inner side of the calendering machine body.

[0008] The blow cooling assembly comprises a cold air box arranged on the back of the calendering machine body, a filter screen is arranged on the top of the back of the cold air box, a partition plate is arranged on the inner side of the cold air box, a refrigerating machine is arranged on the inner side of the partition plate, and the bottom of the front of the cold air box is communicated with the back of the calendering machine body.

[0009] Preferably, the cooling assembly further includes a rotating rod arranged laterally inside the calender body, and a set of fans are fixedly arranged on the circumferential side of the rotating rod.

[0010] Preferably, the rotating rod has an inclined plate on its circumferential side, and the inclined plate has connecting strips that can be rotatably arranged on both the left and right sides of its front side. The inner wall of the calender body has a bidirectional threaded rod vertically arranged on the left side, and the bidirectional threaded rod has two connecting blocks that can be moved up and down along its height direction on its circumferential side.

[0011] Preferably, a limiting rod is fixedly provided on one side of each of the two connecting blocks, and the peripheral side of each of the two limiting rods is slidably connected to the inner side of each of the two connecting blocks. A placement block is provided on the peripheral side of each of the two limiting rods, and the front side of each of the two placement blocks is rotatably connected to the top of each of the two connecting strips.

[0012] Preferably, the top end of the bidirectional threaded rod penetrates the inner side of the calender body and extends to its top. A drive motor for driving the bidirectional threaded rod to rotate is provided at the top of the calender body, and the output end of the bottom of the drive motor is fixedly connected to the top end of the bidirectional threaded rod.

[0013] Compared with related technologies, the four-roll calender with cooling function provided by this utility model has the following advantages:

[0014] This utility model provides a four-roll calender with a cooling function. The air is filtered through a cold air box and a filter screen, and then cooled by a refrigeration unit. The air is then transported to the bottom of the partition through a pipe, and the cold air enters the interior of the calender body to cool it down. The design of the bidirectional threaded rod, connecting block, connecting strip, and rotating rod allows the fan to swing slightly while blowing, improving the cooling effect and ensuring the stability of the calender body. Attached Figure Description

[0015] Figure 1 A schematic diagram of a preferred embodiment of a four-roll calender with a cooling function provided by this utility model;

[0016] Figure 2 for Figure 1 The diagram shows a right-side cross-sectional view of the cold air box section.

[0017] Figure 3 for Figure 2 The diagram shows the structural details of the connecting strip.

[0018] Figure 4 for Figure 3 The diagram shows a front view of the bidirectional threaded rod section.

[0019] The figure mark: 1, calender body; 2, blow cold subassembly; 21, cold air box; 22, filter screen; 23, partition; 24, refrigerating machine; 25, rotating rod; 26, fan; 27, inclined plate; 28, connecting strip; 29, two-way threaded rod; 3, connecting block; 4, limiting rod; 5, placing block; 6, driving motor. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and implementation.

[0021] Please combine with Figure 1 , Figure 2 , Figure 3 And Figure 4 Among them Figure 1 It is the structure diagram of a preferred embodiment of the four-roll calender with blow cold function provided by the utility model; Figure 2 It is the structure diagram of the right view section of the cold air box part shown in Figure 1 It is the structure diagram of the connecting strip part shown in Figure 3 It is the structure diagram of the two-way threaded rod part shown in Figure 2 It is the structure diagram of the two-way threaded rod part shown in

[0022] Figure 4 It is the structure diagram of the two-way threaded rod part shown in Figure 3 It is the structure diagram of the two-way threaded rod part shown in

[0023] The blow cold subassembly 2 includes the cold air box 21 arranged on the back of the calender body 1, the top of the back of the cold air box 21 is provided with the filter screen 22, the inner side of the cold air box 21 is provided with the partition 23, the inner side of the partition 23 is provided with the refrigerating machine 24, and the bottom of the front of the cold air box 21 is communicated with the back of the calender body 1.

[0024] The air is filtered through the cold air box 21 and the filter screen 22, the air is cooled through the refrigerating machine 24, and then the air is transported to the lower side of the partition 23 through the pipeline at the bottom, and then the cold air enters the inside of the calender body 1, and the calender body 1 is cooled.

[0025] The blow cold subassembly 2 further includes the rotating rod 25 arranged transversely on the inner side of the calender body 1, and a group of fans 26 are fixedly arranged on the circumferential side of the rotating rod 25.

[0026] The rotation of the fan 26 makes the cold air accelerate circulation, and the cooling effect is improved.

[0027] The circumferential surface of the rotating rod 25 is provided with an inclined plate 27, the left and right sides of the front surface of the inclined plate 27 are rotatably provided with connecting strips 28, the left side of the inner wall of the calender body 1 is vertically provided with a bidirectional threaded rod 29, and the circumferential surface of the bidirectional threaded rod 29 is movably provided with two connecting blocks 3 in the height direction.

[0028] The opposite sides of the two connecting blocks 3 are fixedly provided with limiting rods 4, the circumferential surfaces of the two limiting rods 4 are respectively slidably connected to the inner sides of the two connecting blocks 3, the circumferential surfaces of the two limiting rods 4 are provided with placing blocks 5, and the top portions of the two connecting strips 28 are rotatably connected to the front surfaces of the two placing blocks 5.

[0029] Through rotation of the output end of the driving motor 6, rotation of the bidirectional threaded rod 29 is driven, and the two connecting blocks 3 are caused to approach or move away from each other in combination with the arrangement of the limiting rods 4.

[0030] The top end of the bidirectional threaded rod 29 penetrates the inner side of the calender body 1 and extends to the top portion thereof, the top portion of the calender body 1 is provided with a driving motor 6 for driving rotation of the bidirectional threaded rod 29, and the output end of the bottom portion of the driving motor 6 is fixedly connected to the top end of the bidirectional threaded rod 29.

[0031] The working principle of the four-roller calender with the cold air blowing function is as follows:

[0032] Step 1: In use, air is filtered through the cold air box 21 and the filter screen 22, and the air is cooled through the refrigerating machine 24, and then the air is transported to the lower side of the partition plate 23 through the pipeline at the bottom of the cold air box 21, and then the cold air enters the inside of the calender body 1 to cool the calender body 1.

[0033] Step 2: In order to improve the cooling effect of the cold air on the calender, the fan 26 is started to accelerate the circulation of the cold air, and the output end of the driving motor 6 is rotated to drive the rotation of the bidirectional threaded rod 29, and the two connecting blocks 3 are caused to approach or move away from each other in combination with the arrangement of the limiting rods 4.

[0034] Compared with the prior art, the four-roller calender with the blowing and cooling functions has the following beneficial effects:

[0035] The air is filtered through the cold air box 21 and the filter screen 22, is cooled through the refrigerating machine 24, and is then delivered to the lower side of the partition plate 23 through the pipeline at the bottom of the cold air box 21, so that the cold air enters the inside of the calender body 1 to cool the calender body 1. The fan 26 can swing slightly while blowing due to the arrangement of the bidirectional threaded rod 29, the connecting block 3, the connecting strip 28 and the rotating rod 25, so that the cooling effect is improved, thereby ensuring the stability of the calender body 1.

[0036] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the utility model specification and the attached drawings is also included in the patent protection range of the utility model.

Claims

1. A four-roll calender with a cooling function, characterized in that, Include: The calender body (1), the inner side of the calender body (1) is provided with a blowing cooling assembly (2); The blowing cooling assembly (2) includes a cold air box (21) arranged on the back of the calender body (1), the top of the back of the cold air box (21) is provided with a filter screen (22), the inner side of the cold air box (21) is provided with a partition (23), the inner side of the partition (23) is provided with a refrigeration machine (24), the bottom of the front of the cold air box (21) is communicated with the back of the calender body (1).

2. The four-roll calender with a blow cooling function according to claim 1, wherein The blowing cooling assembly (2) further comprises a rotating rod (25) transversely arranged on the inner side of the calender body (1), and a group of fans (26) are fixedly arranged on the circumferential surface of the rotating rod (25).

3. The four-roll calender with a blow cooling function according to claim 2, characterized in that, The circumferential surface of the rotating rod (25) is provided with an inclined plate (27), the left and right sides of the front of the inclined plate (27) are rotatably provided with a connecting strip (28), and the left side of the inner wall of the calender body (1) is vertically provided with a bidirectional screw rod (29), and the circumferential surface of the bidirectional screw rod (29) is movably provided with two connecting blocks (3) in the height direction.

4. The four-roll calender with a blow cooling function according to claim 3, characterized in that, The opposite side of the two connecting blocks (3) is fixedly provided with a limiting rod (4), and the circumferential surface of the two limiting rods (4) is respectively slidably connected with the inner side of the two connecting blocks (3), and the circumferential surface of the two limiting rods (4) is provided with a placing block (5), and the front of the two placing blocks (5) is respectively rotatably connected with the top of the two connecting strips (28).

5. The four-roll calender with a blow cooling function according to claim 3, wherein The top end of the bidirectional screw rod (29) penetrates the inner side of the calender body (1) and extends to the top thereof, and the top of the calender body (1) is provided with a driving motor (6) for driving the bidirectional screw rod (29) to rotate, and the output end of the bottom of the driving motor (6) is fixedly connected with the top end of the bidirectional screw rod (29).

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