Placing frame facilitating maintenance of extruder screw

Abstract

The utility model provides a placing rack convenient to maintain extruder screws, which comprises a horizontal base and at least two groups of support components horizontally arranged on the horizontal base, the adjacent support components are arranged at intervals, and the gap between the adjacent support components is smaller than the outer diameter of the screws, so that the screws can be placed between the adjacent support components. The horizontal base is arranged, so that the gravity center of the placing frame is low, placing is more stable, and the placing frame is not prone to overturning; the supporting assemblies are arranged on the horizontal base, the gaps are formed between the supporting assemblies and used for limiting and supporting the screw rod, shaking or moving of the screw rod is avoided, the device can be suitable for the screw rods of different models, shaking or moving of the screw rods can be avoided, and when the screw rods of the extruder are maintained or damaged elements are replaced, the screw rods can be conveniently replaced. The detached screw rod can be placed on the placing frame to be stably limited and supported, and the conditions of rolling collision and falling are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technology field especially relates to a kind of placing rack of extruder screw convenient to maintain. BACKGROUND

[0002] Extruder is widely used in the process of polymer material processing process. Its main working principle is to push the material molten in cylinder forward by single screw or double screw, and there is shearing action in the process of pushing. After the production task is completed, the screw needs to be maintained frequently, and the damaged elements are cleaned or replaced, which involves the handling and storage of extruder screw. Under normal circumstances, the extruder screw is placed randomly on the ground or shelf after being taken out, because it is not fixed, it is easy to roll, collide or fall, causing damage to the extruder screw.

[0003] The Chinese utility model with publication date of December 4, 2013 and publication number of CN203317113U discloses a screw support frame, which comprises a base, an extension rod, a top frame and support wheels. The base is arranged at the bottom of the extension rod, the top frame is arranged at the top of the extension rod, and the support wheels are arranged on the top frame and rotatably connected to the top frame at both ends. The screw support frame can support the screw during screw processing and avoid affecting the straightness of the whole screw. However, the height of the support frame is obviously greater than the width, and the center of gravity is unstable when supporting the screw, especially when supporting a long extruder screw, the support frame cannot provide stable support, and the screw is easy to roll, collide or fall. SUMMARY

[0004] To solve the problem that the existing placing rack cannot stably support the screw, the utility model provides a placing rack for maintaining extruder screw, which can solve the above technical problems.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] The placing rack for maintaining extruder screw comprises a horizontal base and at least two groups of support components arranged horizontally on the horizontal base. The adjacent support components are arranged at intervals, and the gap between the adjacent support components is smaller than the outer diameter of the screw so that the screw can be placed between the adjacent support components. The horizontal base makes the center of gravity of the placing rack lower, so the placing is more stable and less likely to overturn. The support components are arranged on the horizontal base, and the gap between the support components is used to limit and support the screw. This not only avoids the shaking or movement of the screw, but also is suitable for different types of screws and can avoid the shaking or movement of the screws. When the screw of the extruder is maintained or the damaged elements are replaced, the disassembled screw can be placed on the placing rack and stably limited and supported, so the rolling, collision and falling of the screw can be avoided.

[0007] Further, in order to facilitate the rotation of the screw rod when maintaining the screw rod, the support assembly comprises a fixed part fixedly connected with the horizontal base and a rotating part rotatably connected with the fixed part, and the rotating part is used for supporting the screw rod.

[0008] Further, in order to arrange the support assembly along the length direction of the screw rod, thereby increasing the contact area between the support assembly and the screw rod and making the support more stable, the fixed part is a connecting shaft arranged through the rotating part, and the rotating part is rotatably connected with the connecting shaft; and the two ends of the connecting shaft are detachably connected with the horizontal base.

[0009] Further, in order to prevent the rotation of the rotating part from causing displacement of the screw rod, the rotating part is an annular member sleeved on the connecting shaft, the annular member is coaxially arranged with the connecting shaft, and the annular member rotates around the axis of the connecting shaft.

[0010] Further, in order to make the annular member rotate more flexibly, the annular member comprises at least one bearing; or the annular member comprises a cylinder and a bearing coaxially arranged on the inner side of the cylinder, and the cylinder is rotatably connected with the connecting shaft through the bearing.

[0011] Further, in order to reduce the abrasion of the outer periphery of the annular member on the screw rod, the outer side of the annular member is covered with a protective layer for protecting the screw rod.

[0012] Further, in order to make the protective layer have both wear resistance and strength smaller than that of the screw rod, thereby protecting the screw rod, the protective layer is a rubber layer or a polyurethane elastic material layer or a plastic layer.

[0013] Further, in order to stably arrange the horizontal base on the ground, the horizontal base comprises at least two support plates arranged vertically, and the support plates are arranged in parallel and at intervals; and the two ends of the connecting shaft are respectively connected with two adjacent support plates.

[0014] Further, in order to facilitate the detachable connection of the connecting shaft with the support plates, the two ends of the connecting shaft are provided with bolt holes, and bolts are arranged through the support plates, and one end of the bolt is screwed into the bolt hole of the connecting shaft.

[0015] Further, in order to avoid the sliding of the annular member on the connecting shaft, a sleeve is further sleeved on the connecting shaft, the outer diameter of the sleeve is smaller than the outer diameter of the annular member, one end of the sleeve abuts against the annular member, and the other end of the sleeve abuts against the support plate.

[0016] Further, in order to make the horizontal base support the screw rod without interfering with the screw rod, and avoid the screw rod from rolling out of the rack when rotating, the support plate is provided with a V-shaped groove at a position aligned with the gap between adjacent support assemblies.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. The utility model discloses a horizontal base is used for supporting extruder screw, and when the extruder screw is maintained or the damaged element is replaced, the disassembled extruder screw can be placed on the rack, and the rolling collision and falling condition do not occur.

[0019] 2. The utility model discloses a horizontal base is used for supporting extruder screw, and when the extruder screw is maintained or the damaged element is replaced, the disassembled extruder screw can be placed on the rack, and the rolling collision and falling condition do not occur.

[0020] 3. The utility model discloses a horizontal base is used for supporting extruder screw, and when the extruder screw is maintained or the damaged element is replaced, the disassembled extruder screw can be placed on the rack, and the rolling collision and falling condition do not occur. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0022] Figure 1 It is the structural schematic diagram of the utility model;

[0023] Figure 2 It is the explosion structural schematic diagram of the utility model;

[0024] Figure 3 It is the overhead structural schematic diagram of the utility model;

[0025] Figure 4 It is the use structural schematic diagram of the utility model.

[0026] In the drawing: 1, annular piece, 2, sleeve, 3, connecting shaft, 4, support plate, 5, bolt, 6, screw. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following by combining with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without paying creative labor belong to the protection scope of the utility model.

[0028] As Figure 1As shown in the utility model embodiment 1, the placing rack for the extruder screw convenient to maintain, including horizontal base and horizontal setting at least two groups of support components on horizontal base, wherein, support component is used to support screw 6, horizontal base is used to support support component, adjacent support components are arranged at intervals, and the gap between adjacent support components is less than the outer diameter of screw 6 to make that screw 6 can be placed between adjacent support components, and the lower sides of screw 6 are in contact with the upper parts of the side of adjacent support components close to, and the limiting space formed between adjacent support components avoids the rolling and movement of screw 6, and is convenient for the maintenance process of screw.

[0029] In the embodiment, two groups of support components are arranged on the horizontal base, and the gap between the two groups of support components is less than the outer diameter of the screw 6 so that the screw 6 can be placed between the two groups of support components.

[0030] Embodiment 2 differs from embodiment 1 in that, as shown in the utility model embodiment 2, Figure 2 As shown, the support component includes a fixed part fixedly connected with the horizontal base and a rotating part rotatably connected with the fixed part, and the rotating part is used to support the screw 6. The rotation of the screw 6 during the maintenance process is facilitated by the contact between the rotating part and the screw 6.

[0031] Specifically, the fixed part is a connecting shaft 3 arranged through the rotating part, and the two ends of the connecting shaft 3 are detachably connected with the horizontal base. The rotating part is rotatably connected with the connecting shaft 3, so that the rotating part rotates around the connecting shaft 3. And the rotating part is an annular member 1 sleeved on the connecting shaft 3; the annular member 1 is coaxially arranged with the connecting shaft 3, and the annular member 1 rotates around the axis of the connecting shaft 3, so that when the screw 6 rotates, the rotation of the annular member 1 will not displace the screw.

[0032] Among them, the annular member 1 includes at least one bearing. Among them, the annular member 1 can adopt a longer bearing, or a plurality of bearings can be coaxially arranged and sequentially sleeved on the connecting shaft 3. In another preferred embodiment, the annular member 1 includes a cylinder and a bearing coaxially arranged on the inner side of the cylinder, and the cylinder is rotatably connected with the connecting shaft 3 through the bearing.

[0033] Embodiment 3 differs from embodiment 2 in that the outer side of the annular member 1 is covered with a protective layer. That is, a protective layer is sleeved on the outer periphery of the annular member 1, which avoids the wear of the support component on the screw through the protective layer. Among them, the protective layer can adopt a rubber layer or a polyurethane elastic material layer or a plastic layer, which can play a protective role.

[0034] Embodiment 4 differs from embodiment 2 in that, as shown in the utility model embodiment 4, Figure 2As shown in the drawings, the horizontal base comprises at least two vertically arranged support plates 4, and the support plates 4 are parallel and spaced apart. In this embodiment, the horizontal base comprises two vertically arranged support plates 4 which are parallel and spaced apart. The two ends of the connecting shaft 3 are connected with the two support plates 4 respectively.

[0035] Further, the two ends of the connecting shaft 3 are provided with bolt holes, as shown in Figure 1 and Figure 2 As shown in the drawings, the support plate 4 is provided with a bolt 5, and the bolt 5 is screwed into the bolt hole of the connecting shaft 3 through one end of the support plate 4.

[0036] In addition, the support plate 4 is provided with a V-shaped groove at a position aligned with the gap between the two support assemblies, and the V-shaped groove has a certain depth and width, so as to avoid the groove wall of the V-shaped groove from contacting the screw rod placed between the support assemblies, so as to achieve the purpose of not hindering the screw rod 6 from being placed between the adjacent support assemblies. Moreover, the V-shaped groove can also avoid the screw rod from being turned out of the two support assemblies when the screw rod is turned, so as to cause the screw rod to fall off.

[0037] Embodiment 5, which is different from embodiment 4, as shown in Figure 3 The sleeve 2 is further sleeved on the connecting shaft 3, the outer diameter of the sleeve 2 is smaller than the outer diameter of the annular part 1, one end of the sleeve 2 abuts against the annular part 1, and the other end abuts against the support plate 4.

[0038] Embodiment 6, which is different from embodiment 5, as shown in Figure 4 As shown in the drawings, the placing rack is usually used in cooperation with at least two placing racks when supporting the extruder screw, and is used for supporting the extruder screw, so that the support is more stable.

[0039] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that any modification or equivalent replacement of the technical solutions described in the foregoing embodiments within the spirit and principles of the present application, and these modifications or replacements, do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A rack for facilitating maintenance of an extruder screw, characterized by, The support assembly comprises a fixed part fixedly connected with the horizontal base and a rotating part rotatably connected with the fixed part, and the rotating part is used for supporting the screw rod (6).

2. The rest for maintenance of an extruder screw according to claim 1, characterized in that, The fixed part is a connecting shaft (3) penetrating through the rotating part, and the rotating part is rotatably connected with the connecting shaft (3); and two ends of the connecting shaft (3) are detachably connected with the horizontal base.

3. The rest for maintenance of an extruder screw according to claim 2, characterized in that, The rotating part is an annular member (1) sleeved on the connecting shaft (3), the annular member (1) is coaxially arranged with the connecting shaft (3), and the annular member (1) rotates around the axis of the connecting shaft (3).

4. The rest for maintenance of an extruder screw according to claim 3, characterized in that, The annular member (1) comprises at least one bearing; or the annular member (1) comprises a cylinder and a bearing coaxially arranged on the inner side of the cylinder, and the cylinder is rotatably connected with the connecting shaft (3) through the bearing.

5. The rest for servicing an extruder screw according to claim 4, characterized in that The outer side of the annular member (1) is covered with a protective layer.

6. The rest for servicing an extruder screw according to claim 4, characterized in that The horizontal base comprises at least two support plates (4) vertically arranged, and the support plates (4) are parallel and spaced apart; and the two ends of the connecting shaft (3) are respectively connected with two adjacent support plates (4).

7. The rest for the maintenance of an extruder screw according to any one of claims 4 to 6, characterized in that, The two ends of the connecting shaft (3) are provided with bolt holes, the support plate (4) is provided with a bolt (5) penetrating through, and one end of the bolt (5) penetrating through the support plate (4) is screwed into the bolt hole of the connecting shaft (3).

8. The rest for servicing an extruder screw according to claim 7, characterized in that The connecting shaft (3) is further sleeved with a sleeve (2), the outer diameter of the sleeve (2) is smaller than the outer diameter of the annular member (1), one end of the sleeve (2) abuts against the annular member (1), and the other end abuts against the support plate (4).

9. The rest for servicing an extruder screw according to claim 7, characterized in that The support plate (4) is provided with a V-shaped groove at a position aligned with the gap between the adjacent support assemblies.

10. The rest for servicing an extruder screw according to claim 7, characterized in that ​

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