Hydraulic expansion shaft of metal compound machine

Abstract

The utility model relates to the technical field of auxiliary equipment of metal compound machines, and particularly discloses a hydraulic expansion shaft of a metal compound machine, which comprises a hydraulic main shaft, a right connecting seat connected to the left end of the hydraulic main shaft, a left connecting seat connected to the left end of the right connecting seat, and a hydraulic rotating joint connected to the left end of the left connecting seat. The right end of the hydraulic main shaft is connected with the supporting device, and the outer side of the right end of the hydraulic main shaft is sleeved with the supporting mechanism. Manual expansion and movement are not needed, potential safety hazards caused when the film rolling shaft is placed on an expansion shaft are avoided, and great strength adopted by operators is avoided. By means of the device, the hydraulic strength can be adjusted according to the weight of a coil, it is guaranteed that the coil can be reliably fixed to the expansion shaft, and when equipment runs, the expansion shaft does not loosen or string coils. And the working intensity of operators is reduced to a great extent. An existing dovetail groove type inclined block structure can further improve load bearing, and it is guaranteed that the device cannot be loosened during operation.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment of metal composite machines, in particular to a hydraulic expansion shaft of a metal composite machine. Background Art

[0002] Metal composite tape is a strip material made by combining two or more different metal materials through a specific process. Its structure typically uses one metal as a base layer, providing basic properties such as strength and toughness, while one or more other metals serve as a cladding layer, imparting specialized properties such as corrosion resistance, electrical conductivity, and decorative qualities to the composite tape.

[0003] Metal composite strip processing equipment requires film replacement during the composite processing process. Currently, manual operation is used to install and fix the film roll. When using a mechanical expansion shaft, manual tightening is required, which generally requires a 15 kg wrench and an operator to apply 25 kg of torque. The mechanical expansion shaft can only achieve the desired effect of winding the expansion shaft. This is time-consuming and labor-intensive, and the fixing effect is unstable. When using an air shaft, the airbag pressure of the air shaft cannot meet the load-bearing requirements because the metal composite strip weighs about 6 tons. Therefore, air shafts are generally not used on metal composite strips. Therefore, a hydraulic expansion shaft for metal composite machines is needed. Utility Model Content

[0004] In order to solve the above problems, the present invention adopts the following technical solutions.

[0005] A hydraulic expansion shaft of a metal composite machine includes a hydraulic main shaft, the left end of the hydraulic main shaft is connected to a right connecting seat, the left end of the right connecting seat is connected to a left connecting seat, the left end of the left connecting seat is connected to a hydraulic rotary joint, the right end of the hydraulic main shaft is connected to a supporting device, the outer side of the right end of the hydraulic main shaft is sleeved with a supporting mechanism, the supporting mechanism includes a flange, the flange sleeve is arranged on the outer side of the hydraulic main shaft, the right side of the flange is connected to an expansion plate, a plurality of slots 1 are provided on the expansion plate, an expansion oblique block is slidably provided in the slot 1, an elastic coupling shaft is coaxially provided in the hydraulic main shaft, a slot 2 is provided on the hydraulic main shaft corresponding to the expansion oblique block, a sliding oblique block is slidably provided in the slot 2, the bottom of the sliding oblique block is connected to the elastic coupling shaft, and the upper part of the sliding oblique block is in sliding contact with the bottom of the expansion oblique block.

[0006] Preferably, the upper end of the expansion oblique block passes through the slot 1, and the upper end of the expansion oblique block is connected to a tube core.

[0007] Preferably, a rubber pad is provided on the outside of the tube core.

[0008] Preferably, the outer sleeve of the left end of the hydraulic main shaft is provided with a left bearing seat, and a bearing is provided between the hydraulic main shaft and the left bearing seat.

[0009] Preferably, the outer sleeve of the hydraulic main shaft on the left side of the flange is provided with a right bearing seat, and a bearing is also provided between the hydraulic main shaft and the right bearing seat.

[0010] Preferably, a reduction helical gear is provided on the hydraulic main shaft between the right bearing seat and the left bearing seat, and the reduction helical gear is connected to the output end of the reducer.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This new device eliminates the need for manual tensioning and movement, avoiding safety hazards and the need for operators to exert significant force when placing the film roll onto the expansion shaft. This device adjusts the hydraulic pressure according to the weight of the roll, ensuring the roll is securely secured to the expansion shaft. This prevents the roll from loosening or straying during operation, significantly reducing operator workload. The existing dovetail grooved ramp structure further increases load-bearing capacity, ensuring the roll does not loosen during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the partial structure of the left end of the utility model;

[0015] Figure 3 This is a schematic diagram of the partial structure of the right end of the utility model;

[0016] Figure 4 for Figure 1 Middle AA section view.

[0017] In the figure: 1. Hydraulic spindle; 2. Right connecting seat; 3. Left connecting seat; 4. Hydraulic rotary joint; 5. Support device; 6. Support mechanism; 7. Left bearing seat; 8. Bearing; 9. Right bearing seat; 10. Reduction bevel gear; 6-1. Flange; 6-2. Expansion plate; 6-3. Notch 1; 6-4. Expansion bevel block; 6-5. Elastic coupling shaft; 6-6. Notch 2; 6-7. Sliding bevel block; 6-8. Tube core. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances. Example

[0021] like Figure 1-4 As shown, in this embodiment, a hydraulic expansion shaft of a metal composite machine includes a hydraulic main shaft 1, the left end of the hydraulic main shaft 1 is connected to a right connecting seat 2, the left end of the right connecting seat 2 is connected to a left connecting seat 3, the left end of the left connecting seat 3 is connected to a hydraulic rotary joint 4, the right end of the hydraulic main shaft 1 is connected to a supporting device 5, the right end of the hydraulic main shaft 1 is sleeved with a supporting mechanism 6, the supporting mechanism 6 includes a flange 6-1, the flange 6-1 is sleeved on the outside of the hydraulic main shaft 1, the flange 6 -1 is connected to the right side of the expansion plate 6-2. The expansion plate 6-2 is provided with a plurality of slots 6-3. An expansion inclined block 6-4 is slidably disposed within the slots 6-3. An elastic coupling shaft 6-5 is coaxially disposed within the hydraulic main shaft 1. A slot 2 6-6 is provided on the hydraulic main shaft 1 corresponding to the expansion inclined block 6-4. A sliding inclined block 6-7 is slidably disposed within the slot 2 6-6. The bottom of the sliding inclined block 6-7 is connected to the elastic coupling shaft 6-5, and the top of the sliding inclined block 6-7 is in sliding contact with the bottom of the expansion inclined block 6-4. In this embodiment, a dovetail groove is provided at the bottom of the expansion inclined block 6-4, and a slider that matches the dovetail groove is provided at the top of the sliding inclined block 6-7.

[0022] In this embodiment, the upper end of the expansion oblique block 6-4 passes through the slot 1 6-3, and the upper end of the expansion oblique block 6-4 is connected to the tube core 6-8.

[0023] In this embodiment, a rubber pad is provided on the outside of the tube core 6 - 8 .

[0024] In this embodiment, a left bearing seat 7 is provided on the outer sleeve of the left end of the hydraulic spindle 1, with a bearing 8 disposed between the hydraulic spindle 1 and the left bearing seat 7. In this embodiment, a right bearing seat 9 is provided on the outer sleeve of the hydraulic spindle 1 on the left side of the flange 6-1, with a bearing 8 also disposed between the hydraulic spindle 1 and the right bearing seat 9. In this embodiment, the left and right bearing seats 7 and 9 are used to mount the hydraulic spindle 1 on the frame.

[0025] In order to drive the hydraulic main shaft 1 to rotate, in this embodiment, a reduction helical gear 10 is provided on the hydraulic main shaft 1 between the right bearing seat 9 and the left bearing seat 7, and the reduction helical gear 10 is connected to the output end of the reducer.

[0026] The working principle and beneficial effects of the above technical solution are:

[0027] During operation, hydraulic oil is pumped from a central oil supply system to a pressure of 10 MPa. This oil is then delivered through hydraulic piping to a hydraulic rotary joint, where it enters the hydraulic spindle. Through the spindle's elongated central through-hole, the hydraulic oil drives the elastic coupling, thereby moving the sliding ramp axially and, in turn, the left and right movement of the sliding ramp. This, in turn, causes the expansion ramp to move the expansion plate up and down, allowing the tube core to adapt to varying film winding shaft inner diameters. During operation, the hydraulic pressure is locked by a check valve, ensuring constant pressure.

[0028] In this embodiment, the left and right bearing seats ensure that the hydraulic main shaft is fixed to the equipment frame and rotates through the bearings. The support device is used to support the hydraulic expansion shaft during operation and ensure that the hydraulic expansion shaft will not be damaged during operation.

[0029] Compared to existing technologies, this new device eliminates the need for manual tensioning and movement, avoiding safety hazards and the need for operators to exert significant force when placing the film roll onto the expansion shaft. This device adjusts the hydraulic pressure according to the weight of the roll, ensuring the roll is securely fixed to the expansion shaft and preventing loosening or twisting of the roll during operation. It also significantly reduces operator workload. The existing dovetail grooved inclined block structure further increases load-bearing capacity, ensuring the roll does not loosen during operation.

[0030] The above are only preferred embodiments of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A hydraulic expansion shaft for a metal composite machine, characterized in that: The invention comprises a hydraulic main shaft (1), wherein the left end of the hydraulic main shaft (1) is connected to a right connecting seat (2), the left end of the right connecting seat (2) is connected to a left connecting seat (3), the left end of the left connecting seat (3) is connected to a hydraulic rotary joint (4), the right end of the hydraulic main shaft (1) is connected to a supporting device (5), the right end of the hydraulic main shaft (1) is sleeved with a supporting mechanism (6), the supporting mechanism (6) comprises a flange (6-1), the flange (6-1) is sleeved on the outside of the hydraulic main shaft (1), and the right side of the flange (6-1) is connected to an expansion joint (6-1). The expansion plate (6-2) is provided with a plurality of slots (6-3) on the expansion plate (6-2), an expansion inclined block (6-4) is slidably provided in the slots (6-3), an elastic coupling shaft (6-5) is coaxially provided in the hydraulic main shaft (1), a slot (6-6) is provided on the hydraulic main shaft (1) corresponding to the expansion inclined block (6-4), a sliding inclined block (6-7) is slidably provided in the slot (6-6), the bottom of the sliding inclined block (6-7) is connected to the elastic coupling shaft (6-5), and the upper part of the sliding inclined block (6-7) is in sliding contact with the bottom of the expansion inclined block (6-4).

2. The hydraulic expansion shaft of a metal composite machine according to claim 1, characterized in that: The upper end of the expansion oblique block (6-4) passes through the first notch (6-3), and the upper end of the expansion oblique block (6-4) is connected to a tube core (6-8).

3. The hydraulic expansion shaft of a metal composite machine according to claim 1, characterized in that: A rubber pad is provided on the outside of the tube core (6-8).

4. The hydraulic expansion shaft of a metal composite machine according to claim 1, characterized in that: A left bearing seat (7) is provided on the outer sleeve of the left end of the hydraulic main shaft (1), and a bearing (8) is provided between the hydraulic main shaft (1) and the left bearing seat (7).

5. The hydraulic expansion shaft of a metal composite machine according to claim 4, characterized in that: A right bearing seat (9) is provided on the outer sleeve of the hydraulic main shaft (1) on the left side of the flange (6-1), and a bearing (8) is also provided between the hydraulic main shaft (1) and the right bearing seat (9).

6. The hydraulic expansion shaft of a metal composite machine according to claim 5, characterized in that: A reduction helical gear (10) is provided on the hydraulic main shaft (1) between the right bearing seat (9) and the left bearing seat (7), and the reduction helical gear (10) is connected to the output end of the reducer.

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