阅读说明：本技术 一种具有抗热变形功能的铝合金活动盖板 (Aluminum alloy removable cover with anti thermal deformation function ) 是由 许小平 赵冠楠 朱中华 张永平 卢陵 于 2021-09-22 设计创作，主要内容包括：一种具有抗热变形功能的铝合金活动盖板,包括铝合金盖板骨架、钢质针布边夹和钢质针布,钢质针布通过钢质针布边夹固定在铝合金盖板骨架的下端面上,在铝合金盖板骨架内设有钢质等温平衡件,钢质等温平衡件与铝合金盖板骨架之间为接触式连接。这样就能保证钢质等温平衡件与铝合金盖板骨架同步升温和同步变形,消除了铝合金与钢质因不同的热膨胀系数而导致钢质针布出现两端低,中间高的弓桥弧状变形,即消除了梳棉机因变形导致梳棉质量不稳定的缺陷。若在钢质针布和钢质针布边夹与铝合金盖板骨架之间增设隔热层,其抗热变形的效果更佳。(An aluminum alloy movable cover plate with a heat deformation resistance function comprises an aluminum alloy cover plate framework, a steel card clothing edge clamp and steel card clothing, wherein the steel card clothing is fixed on the lower end face of the aluminum alloy cover plate framework through the steel card clothing edge clamp, a steel isothermal balance piece is arranged in the aluminum alloy cover plate framework, and the steel isothermal balance piece is in contact connection with the aluminum alloy cover plate framework. Therefore, the synchronous temperature rise and synchronous deformation of the steel isothermal balance piece and the aluminum alloy cover plate framework can be ensured, the arc-shaped deformation of the steel card clothing with low two ends and high middle due to different thermal expansion coefficients of aluminum alloy and steel is eliminated, and the defect that the carding quality of a carding machine is unstable due to deformation is eliminated. If a heat insulation layer is additionally arranged between the steel card clothing and the steel card clothing edge clamp and the aluminum alloy cover plate framework, the heat deformation resistant effect is better.)

1. The utility model provides an aluminum alloy removable cover with anti thermal deformation function, includes aluminum alloy cover skeleton (1), steel card clothing limit clamp (2) and steel card clothing (3), and steel card clothing (3) are fixed on the lower terminal surface of aluminum alloy cover skeleton (1) through steel card clothing limit clamp (2), characterized by: the steel isothermal balance piece (4) is arranged in the aluminum alloy cover plate framework (1), the steel isothermal balance piece (4) is in contact connection with the aluminum alloy cover plate framework (1), and the steel isothermal balance piece (4) is a steel rod piece.

2. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: the structure of the steel rod piece is as follows: two ends of the rod body (41) are provided with threaded sections (42) which are of a double-end stud structure.

3. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: the steel rod piece is sleeved in an inner hole in the upper portion of the aluminum alloy cover plate framework (1), two ends of the steel rod piece are fixed on the aluminum alloy cover plate framework (1) through fasteners (5), and the steel rod piece is parallel to the steel card clothing edge clamp (2).

4. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: the steel rod piece and the aluminum alloy cover plate framework (1) are fixedly connected in an integrated mode in an interference fit mode, are located inside the upper portion of the aluminum alloy cover plate framework (1), and are parallel to the steel card clothing edge clamp (2).

5. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: the steel rod piece is fixedly connected with the aluminum alloy cover plate framework (1) in an embedded integrated mode, is positioned inside the upper portion of the aluminum alloy cover plate framework (1), and is parallel to the steel card clothing edge clamp (2).

6. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: the steel isothermal balance piece (4) comprises a steel rod piece and two steel lug seats (6), the upper ends of the two steel lug seats (6) are in contact connection with the two ends of the steel rod piece, and the lower ends of the two steel lug seats (6) are in contact connection with the steel card clothing edge clamp (2).

7. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 6, wherein: the steel rod piece is arranged in the inner part of the upper part of the aluminum alloy cover plate framework (1) and is parallel to the steel card clothing edge clamp (2).

8. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 6, wherein: the steel rod piece is arranged in the upper part of the aluminum alloy cover plate framework (1) and is fixedly connected with the aluminum alloy cover plate framework (1) in an embedded integrated mode, and two ends of the steel rod piece are fixedly connected with the steel lug seats (6) respectively.

9. The aluminum alloy removable cover plate with heat distortion resistance as set forth in claim 1, wherein: a heat insulation pad or a heat insulation layer (7) is additionally arranged between the steel card clothing (3), the steel card clothing edge clamp (2) and the aluminum alloy cover plate framework (1).

Technical Field

The invention relates to the technical field of textile machinery, in particular to a movable cover plate of a carding machine.

Background

In the cotton spinning production process, the carding machine is used for opening, uniformly mixing, carding and removing impurities from the raw materials of the cotton rolls or the oil cotton layers conveyed in the previous process, and finally bundling the raw materials into cotton slivers which are regularly stored in a sliver can for the subsequent process.

The aluminum alloy movable cover plate is a key part for realizing carding and impurity removal of the carding machine. However, in the working process of the movable cover plate, the temperature of the movable cover plate is continuously raised due to the influence of various factors such as continuous friction force and the like, the existing aluminum alloy movable cover plate is as shown in figure 1 and comprises an aluminum alloy cover plate framework 1, a steel card clothing edge clamp 2 and a steel card clothing 3, the steel card clothing 3 is fixed on the lower end face of the aluminum alloy cover plate framework 1 through the steel card clothing edge clamp 2, the existing carding machine generally has the condition of unstable carding quality, the technical requirements for use under the constant temperature condition are generally adopted, even if the technical requirements are adopted, the stability is improved, the fundamental treatment still cannot be achieved, and the carding quality still fluctuates under the continuous working state. Intensive studies have been made by the applicant.

It is well known that the coefficient of thermal expansion of aluminum alloys is 24.5X 10^-6/° c, whereas the coefficient of thermal expansion of steel is only 12.1 × 10^-6The thermal expansion coefficient of the aluminum alloy is more than 2 times of that of steel, the steel card clothing 3, the steel card clothing edge clamp 2 and the aluminum alloy cover plate framework 1 can be heated synchronously in the working process of the carding machine, the temperature of the carding machine can be continuously raised when the carding machine works for a long time due to the fact that the thermal expansion coefficient of the aluminum alloy is more than 2 times of that of the steel card clothing 3 and the steel card clothing edge clamp 2, the deformation of the aluminum alloy cover plate framework 1 is more than 2 times of that of a combination body of the steel card clothing 3 and the steel card clothing edge clamp 2, the upper end of the whole aluminum alloy movable cover plate is long and the lower end of the whole aluminum alloy movable cover plate is short, the steel card clothing presents low two ends due to the deformation distribution structure of the whole aluminum alloy movable cover plate, and the bow bridge with high middle is deformed in an arc shape, and the deformation is the main reason of unstable carding quality of the carding machine directly caused. In order to improve the carding quality of the carding machine, the influence of the thermal deformation on the steel card clothing must be completely eliminated. The invention aims to provide an aluminum alloy movable cover plate with a heat deformation resistance function.

The invention content is as follows:

the technical scheme adopted by the invention is as follows:

the utility model provides an aluminum alloy removable cover with anti thermal deformation function, includes aluminum alloy cover skeleton, steel card clothing limit clamp and steel card clothing, and the steel card clothing passes through steel card clothing limit clamp to be fixed on the lower terminal surface of aluminum alloy cover skeleton, characterized by: and a steel isothermal balance piece is fixed in the aluminum alloy cover plate framework.

Further, the steel isothermal balance piece is fixedly connected with the aluminum alloy cover plate framework in a contact mode.

Further, the steel isothermal balancing member is a steel rod member.

Furthermore, the structure of the steel rod piece is as follows: two ends of the rod body are provided with thread sections which are of a double-end stud structure.

Furthermore, the steel rod piece is sleeved in an inner hole at the upper part of the aluminum alloy cover plate framework, two ends of the steel rod piece are fixed through fasteners, and the steel rod piece is parallel to the steel card clothing edge clamp.

Furthermore, the steel rod piece and the aluminum alloy cover plate framework are fixedly connected in an integrated mode in an interference fit mode, are positioned inside the upper portion of the aluminum alloy cover plate framework and are parallel to the steel card clothing edge clamp.

Furthermore, the steel rod piece and the aluminum alloy cover plate framework are fixedly connected in an embedded integrated mode, are positioned inside the upper portion of the aluminum alloy cover plate framework and are parallel to the steel card clothing edge clamp.

Furthermore, the steel isothermal balance piece comprises a steel rod piece and two steel lug seats, the upper ends of the two steel lug seats are in contact connection with the two ends of the steel rod piece, and the lower ends of the two steel lug seats are in contact connection with the steel card clothing edge clamps.

Furthermore, the steel rod piece is arranged in an inner hole at the upper part of the aluminum alloy cover plate framework, and the steel rod piece is parallel to the steel card clothing edge clamp.

Furthermore, the steel rod piece is sleeved in the inner hole at the upper part of the aluminum alloy cover plate framework, and two ends of the steel rod piece are fixedly connected with the steel lug seats respectively.

Furthermore, the steel rod piece and the aluminum alloy cover plate framework are fixedly connected in an integrated mode in an interference fit mode and are located inside the upper portion of the aluminum alloy cover plate framework, and two ends of the steel rod piece are fixedly connected with the steel lug seats respectively.

Furthermore, the steel rod piece and the aluminum alloy cover plate framework are fixedly connected in an embedded integrated mode and are located inside the upper portion of the aluminum alloy cover plate framework, and two ends of the steel rod piece are fixedly connected with the steel lug seats respectively.

Furthermore, a heat insulation pad or a heat insulation layer is additionally arranged between the steel card clothing and the steel card clothing edge clamp and the aluminum alloy cover plate framework.

The steel isothermal balance piece is additionally arranged in the aluminum alloy cover plate framework and is fixedly connected with the aluminum alloy cover plate framework in a contact mode. Therefore, the synchronous temperature rise and synchronous deformation of the steel isothermal balance piece and the aluminum alloy cover plate framework can be ensured, the arc-shaped deformation of the steel card clothing with low two ends and high middle due to different thermal expansion coefficients of aluminum alloy and steel is eliminated, and the defect that the carding quality of a carding machine is unstable due to deformation is eliminated. If a heat insulation layer is additionally arranged between the steel card clothing and the steel card clothing edge clamp and the aluminum alloy cover plate framework, the heat deformation resistant effect is better.

Drawings

FIG. 1 is a schematic end face structure of an aluminum alloy removable cover plate of a prior carding machine;

FIG. 2 is a schematic view of the deformation of an aluminum alloy removable cover plate of a prior carding machine due to heat;

FIG. 3 is a schematic end view of the present invention;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is an exploded view of the present invention;

FIG. 6 is a schematic structural view of example 4;

FIG. 7 is a schematic structural view of example 7;

in the figure: 1-an aluminum alloy cover plate framework; 2-steel card clothing edge clip; 3-steel card clothing;

4-steel isothermal balance piece; 41-rod body; 42-a threaded segment; 5-a fastener; 6-steel ear seats; 7-heat insulation layer.

The specific implementation mode is as follows:

the invention is further illustrated by the following figures and specific examples.

Example 1: an aluminum alloy removable cover plate with heat deformation resistance function is shown in figures 3-5 and comprises an aluminum alloy cover plate framework 1, a steel card clothing edge clamp 2 and a steel card clothing 3, wherein the steel card clothing 3 is fixed on the lower end face of the aluminum alloy cover plate framework 1 through the steel card clothing edge clamp 2, and a steel isothermal balance piece 4 is fixed in the aluminum alloy cover plate framework 1.

In this example, the steel isothermal balance member 4 is a steel rod member, and two ends of the rod body 41 are provided with threaded sections 42, which are stud structures; an inner hole is formed in the upper end of the aluminum alloy cover plate framework 1, the steel rod piece is sleeved in the inner hole in the upper end of the aluminum alloy cover plate framework 1, two ends of the steel rod piece are fixed on two end faces of the aluminum alloy cover plate framework 1 through fasteners 5, and the steel rod piece is parallel to the steel card clothing edge clamp 2.

Example 2: the difference from the embodiment 1 is that: the steel rod piece and the aluminum alloy cover plate framework 1 are fixedly connected in an integrated mode in an interference fit mode, are located inside the upper portion of the aluminum alloy cover plate framework 1 and are parallel to the steel card clothing edge clamp 2.

Example 3: the difference from the embodiment 1 is that: the steel rod piece and the aluminum alloy cover plate framework 1 are fixedly connected in an embedded integrated mode, are located inside the upper portion of the aluminum alloy cover plate framework 1 and are parallel to the steel card clothing edge clamp 2.

Example 4: the difference from the embodiment 1 is that: as shown in fig. 6, the steel isothermal balancing member 4 comprises a steel rod and two steel ear seats 6, the upper ends of the two steel ear seats 6 are in contact connection with the two ends of the steel rod, the lower ends of the two steel ear seats 6 are in contact connection with the steel card edge clamp 2, in this example, the steel rod is sleeved in the inner hole at the upper end of the aluminum alloy cover plate framework 1, and the two ends of the steel rod are respectively fixedly connected with the steel ear seats 6.

Example 5: the difference from the example 4 lies in: through interference fit's mode integration fixed connection between steel member and the aluminum alloy cover plate skeleton 1, and be located the inside of the upper end of aluminum alloy cover plate skeleton 1, the both ends of steel member respectively with 6 fixed connection of steel ear seat.

Example 6: the difference from the example 4 lies in: the steel rod piece and the aluminum alloy cover plate framework 1 are fixedly connected in an embedded integrated mode and are located inside the upper portion of the aluminum alloy cover plate framework 1, and two ends of the steel rod piece are fixedly connected with the steel lug seats 6 respectively.

The structures of the embodiments 4 to 6 are all equivalent structures, and the common characteristic of the embodiments is that a steel frame is constructed by a combination of a steel rod piece, a steel lug seat 6, a steel card clothing edge clamp 2 and a steel card clothing 3, so that the influence of the thermal deformation of the aluminum alloy cover plate framework 1 on the steel card clothing 3 is reduced, and the deformation of the steel card clothing 3 along with the thermal deformation of the aluminum alloy cover plate framework 1 is reduced.

Example 7: in embodiment 1, the heat insulating pad or layer 7 is additionally arranged between the steel card clothing 3 and the steel card clothing edge clip 2 and the aluminum alloy cover plate framework 1, as shown in fig. 7, so that the heat transfer between the steel card clothing 3 and the steel card clothing edge clip 2 and the aluminum alloy cover plate framework 1 can be cut off, and therefore the steel card clothing 3 is always in a horizontal state during carding without bending deformation, and the stability of carding quality is ensured.