Aluminum profile straightening device

By designing an aluminum profile straightening device and employing the coordinated operation of traction and pressure mechanisms, automated straightening is achieved, solving the problems of low efficiency and high cost in aluminum profile straightening and improving production efficiency and equipment utilization.

CN223518337UActive Publication Date: 2025-11-07GUANGDONG TIANMA ALUMINUM IND CO LTD
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Patent Information

Application Number
CN202423139888.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-07
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing aluminum profile straightening technologies have low production efficiency and high equipment costs. Manual straightening is difficult to control the force and angle, while automated equipment has a complex structure and is difficult to maintain.

Method used

Design an aluminum profile straightening device, including a traction mechanism, a pressure mechanism and a conveying mechanism, to realize automatic feeding and straightening. Through the coordinated work of the clamping parts, traction parts and pressure parts, the straightening process is automatically improved.

Benefits of technology

It significantly improves the automation level of aluminum profile straightening, reduces manpower input, increases production efficiency, precisely controls traction force and direction, protects the surface of aluminum profiles, and shortens straightening time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metal machining, in particular to an aluminum profile straightening device which comprises a machine table, a traction mechanism, a conveying mechanism and a pressure applying mechanism. The machine table is mounted on the horizontal ground; the traction mechanism, the conveying mechanism and the pressure applying mechanism are installed on the machine table. At least two groups of conveying mechanisms are arranged; at least one traction mechanism is arranged on one side of each conveying mechanism, and the pressure applying mechanism is located between the conveying mechanisms. According to the scheme, by arranging the traction mechanism, the pressure applying mechanism and the conveying mechanism, the two straightening modes of traction and pressure applying are achieved in the device while automatic feeding is achieved, the automation level of aluminum profile straightening work is greatly improved, manpower input is reduced, the production efficiency is greatly improved, and the production cost is reduced. The problems that the production efficiency is low and the equipment cost is high in the current aluminum profile correction technology are solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal processing, in particular to an aluminum profile straightening device. BACKGROUND

[0002] Aluminum profiles have a wide range of applications in the fields of construction and transportation due to their light weight and corrosion resistance. However, due to limitations in production processes, especially after being shaped by an extrusion machine, aluminum profiles often exhibit some bending deformation, which not only affects product quality but also reduces the precision of subsequent processing. In order to ensure the quality of aluminum profiles, it is usually necessary to straighten the bent parts. Existing straightening techniques mainly include mechanical straightening and heat treatment straightening, but both have different degrees of problems, such as high cost, low efficiency, and easy damage to the material surface.

[0003] For the straightening of aluminum profiles, the traditional approach relies on manual tools or simple mechanical equipment, such as using a hammer to knock, a press to press, etc. These methods, although simple and easy to implement, are difficult to control in terms of force and angle in actual operation, resulting in low straightening accuracy, high labor intensity, and low production efficiency. There are also highly automated straightening equipment, such as hydraulic straightening machines, which can provide relatively stable straightening force, but due to their complex structure and difficult maintenance, they are not widely promoted.

[0004] The current problems of aluminum profile straightening technology are low production efficiency and high equipment cost. Manual straightening, in particular, cannot meet the needs of modern industrial mass production, while high-end automated straightening equipment, although it can improve work efficiency, is expensive. CONTENT OF THE INVENTION

[0005] In order to improve the problems of low production efficiency and high equipment cost of current aluminum profile straightening technology, the present application provides an aluminum profile straightening device.

[0006] The present application provides an aluminum profile straightening device, which adopts the following technical solutions:

[0007] An aluminum profile straightening device, comprising a machine table installed on a horizontal ground, and a traction mechanism, a conveying mechanism, and a pressing mechanism installed on the machine table;

[0008] The conveying mechanism is provided with at least two groups;

[0009] Each group of the conveying mechanism is provided with at least one group of the traction mechanism on one side;

[0010] The pressing mechanism is located between the conveying mechanisms.

[0011] By adopting the above technical scheme, when the aluminum profile is straightened, the aluminum profile is placed on the conveying mechanism, the conveying mechanism sends the aluminum profile into the pressing mechanism, at the same time, the two ends of the aluminum profile also enter the traction mechanism, then the traction mechanism works, first clamps the two ends of the aluminum profile, and then applies traction; the pressing mechanism works to press the aluminum profile, so that the curved part of the aluminum profile is straightened, after the processing is completed, the pressing mechanism and the traction mechanism are separated from the aluminum profile, and the conveying mechanism sends out the aluminum profile; by arranging the traction mechanism, the pressing mechanism and the conveying mechanism, the automatic feeding is realized, the traction and the pressing two straightening modes are realized in the device, the automation level of the aluminum profile straightening work is greatly improved, the labor input is reduced, the production efficiency is greatly improved, and the problems of low production efficiency and high equipment cost of the current aluminum profile straightening technology are improved.

[0012] Optionally, each group of the conveying mechanism comprises:

[0013] A conveying frame is slidably connected with the machine table.

[0014] A conveying member is rotatably installed on the conveying frame, and the conveying member is used to drive the aluminum profile to move relative to the machine table.

[0015] A conveying drive member is installed on the conveying frame, the conveying member is connected with the conveying drive member, and the conveying drive member is used to drive the conveying member to rotate.

[0016] By adopting the above technical scheme, the conveying drive member drives the conveying member to rotate, the conveying member drives the aluminum profile placed thereon to move into the pressing mechanism and the traction mechanism for straightening processing, the conveying member sends out the aluminum profile after the processing is completed, automatic feeding and discharging are realized, convenience is improved, manual intervention is reduced, and labor cost is reduced.

[0017] Optionally, the machine table is provided with a lifting drive member, the lifting drive member is fixedly installed on the machine table and located below each group of the conveying mechanism.

[0018] One end of the conveying frame in each group of the conveying mechanism is connected with the lifting drive member, and the lifting drive member is used to drive the conveying frame to slide relative to the machine table.

[0019] By adopting the above technical scheme, after the conveying mechanism sends the aluminum profile into the pressing mechanism and the traction mechanism, the lifting drive member drives the conveying frame to move downward, so that the conveying member is separated from the aluminum profile, the lifting drive member drives the conveying frame to move upward after the straightening is completed, so that the conveying member supports the aluminum profile during the traction and the pressing process, and the straightening effect is not interfered.

[0020] Optionally, the traction mechanism comprises:

[0021] A traction frame is fixedly installed on the machine table.

[0022] A traction member is slidingly mounted on the traction frame;

[0023] A traction drive member is mounted on the machine table, the traction member is connected with the traction drive member, and the traction drive member drives the traction member to slide relative to the machine table;

[0024] A clamping member is mounted on the traction member, the clamping member has a clamping portion, the clamping portion is slidingly connected with the traction member, and the clamping portion is used for abutting against the aluminum profile.

[0025] By adopting the above technical scheme, the two ends of the aluminum profile enter the traction mechanism, the clamping member works, the clamping portion of the clamping member slides, and after the clamping portion abuts against the aluminum profile, the traction drive member drives the traction member to slide, thereby traction stretching the two ends of the aluminum profile, realizing straightening. By setting the traction drive member, the traction member, the clamping member and the clamping portion, automatic clamping and automatic traction are realized, the labor input is reduced, the production efficiency is greatly improved, the traction force and the direction can be accurately controlled, and the situation of overcorrection or undercorrection is effectively avoided.

[0026] Optionally, the clamping member has a buffer portion, the buffer portion is mounted on the clamping portion, and the buffer portion has elasticity.

[0027] By adopting the above technical scheme, the buffer portion with elasticity is set, which can reduce the direct impact force of the clamping portion on the aluminum profile during clamping, and protect the surface and keep the shape of the aluminum profile flat.

[0028] Optionally, the pressing mechanism comprises:

[0029] A horizontal moving member is mounted on the machine table;

[0030] A downward moving member is connected with the horizontal moving member, and the horizontal moving member is used to drive the downward moving member to slide relative to the machine table;

[0031] A pressing member is mounted on the downward moving member and connected with the downward moving member, and the downward moving member is used to drive the pressing member to slide up and down relative to the machine table.

[0032] By adopting the technical scheme, when straightening, the aluminum profile enters the pressing piece, the pressing piece abuts against the aluminum profile, the transverse moving piece drives the pressing piece to move left and right relative to the machine table to press and straighten the aluminum profile; after straightening, the pressing piece is reset to release the pressing, the lifting driving piece drives the conveying frame to move up at the same time, the traction mechanism is reset to release the clamping of the aluminum profile, the conveying piece props up the aluminum profile, the conveying driving piece drives the aluminum profile to retreat and separate from the pressing piece, the downward moving piece drives the pressing piece to move down to move away from the aluminum profile; then, the conveying mechanism sends out the aluminum profile, the pressing mechanism is reset, the pressing piece enters the working position to accept the next group of aluminum profiles; by arranging the downward moving piece, the transverse moving piece and the pressing piece, the pressure applied to the aluminum profile is increased, the perpendicularity of straightening is further improved, the straightening time is shortened, and the production efficiency is improved.

[0033] Optionally, the transverse moving piece comprises:

[0034] a transverse moving frame fixedly installed on the machine table;

[0035] a transverse moving power machine fixedly installed on the transverse moving frame;

[0036] a transverse moving screw rotatably installed on the transverse moving frame, one end of the transverse moving screw being connected with the transverse moving power machine, the transverse moving power machine being used to drive the transverse moving screw to rotate;

[0037] The downward moving piece comprises:

[0038] a downward moving frame, one end of the downward moving frame being slidably connected with the transverse moving frame and being rotatably connected with the transverse moving screw;

[0039] a downward moving power machine fixedly installed on the downward moving frame;

[0040] a downward moving screw rotatably installed on the downward moving frame, one end of the downward moving screw being connected with the downward moving power machine.

[0041] By adopting the technical scheme, the transverse moving power machine, the transverse moving screw, the downward moving power machine and the downward moving screw cooperate to realize the left and right transverse movement and the up and down movement of the pressing piece, realize automatic pressing and straightening, and improve the straightening efficiency.

[0042] Optionally, the pressing piece comprises:

[0043] a pressing frame, one end of the pressing frame being slidably connected with the downward moving frame and being rotatably connected with the downward moving screw;

[0044] a first pressing cylinder,

[0045] a second pressing cylinder, the first pressing cylinder and the second pressing cylinder being rotatably installed on the pressing frame, respectively;

[0046] The first pressing cylinder is located above the second pressing cylinder.

[0047] The pressing power is fixedly installed on the pressing frame, and at least two groups of pressing power are provided.

[0048] The first pressing cylinder and the second pressing cylinder are respectively connected with a group of pressing power.

[0049] By adopting the above technical scheme, when the aluminum profile enters the pressing mechanism, the traction mechanism clamps the aluminum profile, the pressing power drives the first pressing cylinder and the second pressing cylinder to press the aluminum profile, then the horizontal moving power drives the downward moving frame to move horizontally, the downward moving frame drives the pressing frame to move horizontally, and the pressing is performed to realize the straightening of the aluminum profile; the first pressing cylinder and the second pressing cylinder can rotate, which can reduce the friction force on the surface of the aluminum profile in the pressing process and protect the surface of the aluminum profile.

[0050] In summary, the present application has the following advantages:

[0051] 1. By setting the traction mechanism, the pressing mechanism and the conveying mechanism, the automatic feeding is realized, and the traction and pressing straightening methods are realized in the device, which greatly improves the automation level of the aluminum profile straightening work, reduces the labor input, greatly improves the production efficiency, and improves the problems of low production efficiency and high equipment cost of the current aluminum profile correction technology.

[0052] 2. By setting the traction driving part, the traction part, the clamping part and the clamping part, automatic clamping and automatic traction are realized, the labor input is reduced, the production efficiency is greatly improved, the traction force and direction can be accurately controlled, and the situation of excessive correction or insufficient correction is effectively avoided.

[0053] 3. By setting the downward moving part, the horizontal moving part and the pressing part, the pressure on the aluminum profile is applied, the perpendicularity of the straightening is further improved, the straightening time is also reduced, and the production efficiency is improved.

[0054] 4. The first pressing cylinder and the second pressing cylinder can rotate, which can reduce the friction force on the surface of the aluminum profile in the pressing process and protect the surface of the aluminum profile. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 It is the overall structure view of the aluminum profile straightening device disclosed by the embodiment;

[0056] Figure 2 It is the structure view of the traction mechanism in the aluminum profile straightening device disclosed by the embodiment;

[0057] Figure 3 It is the structure view of the pressing mechanism in the aluminum profile straightening device disclosed by the embodiment.

[0058] Reference Signs List:

[0059] 1, machine table; 11, lifting driving part; 2, traction mechanism; 21, traction frame; 22, traction part; 23, traction driving part; 24, clamping part; 25, clamping portion; 26, buffer portion; 3, conveying mechanism; 31, conveying frame; 32, conveying part; 33, conveying driving part; 4, pressing mechanism; 41, transverse moving part; 42, downward moving part; 43, pressing part; 430, pressing frame; 431, first pressing cylinder; 432, second pressing cylinder; 433, pressing power part. DETAILED DESCRIPTION

[0060] The drawings will be described below in conjunction with the Figures 1-3 The application is further described in detail.

[0061] The application discloses an aluminum profile straightening device, referring to Figure 1 , comprising a machine table 1, a traction mechanism 2, a conveying mechanism 3 and a pressing mechanism 4; the machine table 1 is installed on the horizontal ground; the traction mechanism 2, the conveying mechanism 3 and the pressing mechanism 4 are respectively installed on the machine table 1.

[0062] The conveying mechanism 3 is provided with at least two groups; one side of each group of the conveying mechanism 3 is provided with at least one group of the traction mechanism 2; in the embodiment, the conveying mechanism 3 is provided with two groups, and the pressing mechanism 4 is located between the conveying mechanism 3 and the conveying mechanism 3.

[0063] Referring to Figure 1 , further, each group of the conveying mechanism 3 respectively comprises a conveying frame 31, a conveying part 32 and a conveying driving part 33, and the conveying frame 31 is in sliding connection with the machine table 1; the conveying part 32 is rotationally installed on the conveying frame 31, and the conveying part 32 is used to drive the aluminum profile to move relative to the machine table 1; the conveying driving part 33 is installed on the conveying frame 31, the conveying part 32 is connected with the conveying driving part 33, and the conveying driving part 33 is used to drive the conveying part 32 to rotate.

[0064] Specifically, the conveying part 32 comprises a conveying belt and a transmission roller set, the transmission roller set is rotationally installed on the conveying frame 31, and the conveying belt is installed on the transmission roller set; the conveying driving part 33 comprises a conveying motor, the conveying motor is fixedly installed on the conveying frame 31; one of the transmission rollers in the transmission roller set is fixedly connected with the output main shaft of the conveying motor.

[0065] Referring to Figure 1 , further, the machine table 1 is provided with a lifting driving part 11, the lifting driving part 11 is fixedly installed on the machine table 1 and located below each group of the conveying mechanism 3; one end of the conveying frame 31 in each group of the conveying mechanism 3 is connected with the lifting driving part 11, and the lifting driving part 11 is used to drive the conveying frame 31 to slide relative to the machine table 1.

[0066] Specifically, the lifting driving member 11 comprises a lifting cylinder fixedly installed on the machine table 1 and upwardly installed relative to the machine table 1; one end of the conveying member 32 is fixedly connected with a piston rod of the lifting cylinder.

[0067] Referring to Figure 1 and Figure 2 , further, the traction mechanism 2 comprises a traction frame 21, a traction member 22, a traction driving member 23 and a clamping member 24, the traction frame 21 is fixedly installed on the machine table 1; the traction member 22 is slidingly installed on the traction frame 21; the traction driving member 23 is installed on the machine table 1, the traction member 22 is connected with the traction driving member 23, and the traction driving member 23 drives the traction member 22 to slide relative to the machine table 1; the clamping member 24 is installed on the traction member 22, and the clamping member 24 has a clamping portion 25 slidingly connected with the traction member 22, and the clamping portion 25 is used for abutting against the aluminum profile.

[0068] Specifically, the traction driving member 23 comprises a traction motor and a traction screw rod, the traction motor is fixedly installed on the traction frame 21, and the traction screw rod is rotatably installed on the traction frame 21, one end of the traction screw rod is fixedly connected with an output main shaft of the traction motor; the traction member 22 comprises a traction body, the traction body is slidingly installed on the traction frame 21, and one end of the traction body is threadedly connected with the traction screw rod.

[0069] The clamping member 24 comprises a clamping cylinder fixedly installed on the traction body, and the clamping portion 25 is specifically a clamping body fixedly connected with a piston rod of the clamping cylinder.

[0070] The clamping member 24 has a buffer portion 26 installed on the clamping portion 25, and the buffer portion 26 has elasticity; the buffer portion 26 is specifically a rubber pad fixedly installed on the clamping portion 25.

[0071] Referring to Figure 1 and Figure 3 , further, the pressing mechanism 4 comprises a transverse moving member 41, a downward moving member 42 and a pressing member 43, the transverse moving member 41 is installed on the machine table 1; the downward moving member 42 is connected with the transverse moving member 41, and the transverse moving member 41 is used for driving the downward moving member 42 to slide relative to the machine table 1; the pressing member 43 is installed on and connected with the downward moving member 42, and the downward moving member 42 is used for driving the pressing member 43 to slide up and down relative to the machine table 1.

[0072] Specifically, the transverse moving member 41 comprises a transverse moving frame, a transverse moving force machine and a transverse moving screw rod, the transverse moving frame is fixedly installed on the machine table 1; the transverse moving force machine is fixedly installed on the transverse moving frame; the transverse moving screw rod is rotatably installed on the transverse moving frame, one end of the transverse moving screw rod is connected with the transverse moving force machine, and the transverse moving force machine is used for driving the transverse moving screw rod to rotate.

[0073] The downward moving member 42 comprises a downward moving frame, a downward moving force machine and a downward moving screw rod, one end of the downward moving frame is slidably connected with the transverse moving frame and is rotatably connected with the transverse moving screw rod, the downward moving force machine is fixedly installed on the downward moving frame, and the downward moving screw rod is rotatably installed on the downward moving frame and one end of the downward moving screw rod is connected with the downward moving force machine.

[0074] Referring to Figure 1 and Figure 3 , the pressing member 43 comprises a pressing frame 430, a first pressing cylinder 431, a second pressing cylinder 432 and a pressing force member 433, one end of the pressing frame 430 is slidably connected with the downward moving frame and is rotatably connected with the downward moving force rod, the first pressing cylinder 431 and the second pressing cylinder 432 are rotatably installed on the pressing frame 430 respectively, the first pressing cylinder 431 is located above the second pressing cylinder 432, the pressing force member 433 is fixedly installed on the pressing frame 430 and at least two groups of the pressing force member 433 are provided, and the first pressing cylinder 431 and the second pressing cylinder 432 are connected with one group of the pressing force member 433 respectively.

[0075] Each group of the pressing force member comprises a pressing cylinder, the pressing cylinder is fixedly installed on the pressing frame 430, and the first pressing cylinder 431 and the second pressing cylinder 432 are connected with the piston rod of one group of the pressing cylinder through a bearing seat respectively.

[0076] In the embodiment, the transverse moving force machine and the downward moving force machine are both servo motors, the downward moving frame is threadedly connected with the transverse moving screw rod, and the pressing frame 430 is threadedly connected with the downward moving screw rod.

[0077] The working principle of the aluminum profile straightening device is as follows:

[0078] The aluminum profile is placed on the conveying mechanism 3, the conveying drive member 33 works to drive the conveying member 32 to rotate, and the conveying member 32 drives the aluminum profile placed thereon to move into the pressing mechanism 4 and the traction mechanism 2.

[0079] The two ends of the aluminum profile enter the traction mechanism 2, the clamping member 24 works, the clamping part 25 of the clamping member 24 slides, the buffer part 26 on the clamping part 25 abuts against the aluminum profile, and then the traction drive member 23 drives the traction member 22 to slide a certain distance.

[0080] At the same time, the aluminum profile enters the pressing member 43, the pressing member 43 abuts against the aluminum profile, that is, the pressing force member drives the first pressing cylinder 431 and the second pressing cylinder 432 to slide so as to abut against the aluminum profile.

[0081] The transverse moving member 41 drives the pressing member 43 to move left and right relative to the machine table 1 to press and straighten the aluminum profile, after the straightening is completed, the pressing force member drives the first pressing cylinder 431 and the second pressing cylinder 432 to reset, the lifting drive member 11 drives the conveying frame 31 to move up at the same time, the traction mechanism 2 resets to release the clamping of the aluminum profile, and the conveying member 32 props up the aluminum profile.

[0082] Then, the conveying driving member 33 drives the aluminum profile to retreat and separate from the pressing member 43, the downward moving member 42 drives the pressing member 43 to move downward and away from the aluminum profile; the conveying mechanism 3 sends out the aluminum profile, the pressing mechanism 4 resets, the pressing member 43 enters the working position and receives the next group of aluminum profiles.

[0083] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and 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. An apparatus for straightening an aluminum profile, characterized by: The machine table (1) is installed on the horizontal ground, and the traction mechanism (2), the conveying mechanism (3) and the pressing mechanism (4) are installed on the machine table (1); The conveying mechanism (3) is provided with at least two groups; One side of each group of the conveying mechanism (3) is provided with at least one group of the traction mechanism (2); The pressing mechanism (4) is located between the conveying mechanism (3) and the conveying mechanism (3).

2. The aluminum profile straightening device according to claim 1, characterized in that: Each group of the conveying mechanism (3) respectively comprises: The conveying frame (31) is slidably connected with the machine table (1); The conveying member (32) is rotatably installed on the conveying frame (31), and the conveying member (32) is used to drive the aluminum profile to move relative to the machine table (1); The conveying drive member (33) is installed on the conveying frame (31), the conveying member (32) is connected with the conveying drive member (33), and the conveying drive member (33) is used to drive the conveying member (32) to rotate.

3. The apparatus according to claim 2, wherein: The lifting drive member (11) is fixedly installed on the machine table (1) and located below each group of the conveying mechanism (3); One end of the conveying frame (31) in each group of the conveying mechanism (3) is connected with the lifting drive member (11), and the lifting drive member (11) is used to drive the conveying frame (31) to slide relative to the machine table (1).

4. The aluminum profile straightening device according to claim 2, characterized in that: The traction mechanism (2) comprises: The traction frame (21) is fixedly installed on the machine table (1); The traction member (22) is slidably installed on the traction frame (21); The traction drive member (23) is installed on the machine table (1), the traction member (22) is connected with the traction drive member (23), and the traction drive member (23) drives the traction member (22) to slide relative to the machine table (1); The clamping member (24) is installed on the traction member (22), the clamping member (24) has a clamping portion (25), the clamping portion (25) is slidably connected with the traction member (22), and the clamping portion (25) is used to abut against the aluminum profile.

5. The apparatus according to claim 4, wherein: The clamping member (24) has a buffer portion (26) installed on the clamping portion (25), and the buffer portion (26) has elasticity.

6. The aluminum profile straightening device according to claim 1, characterized in that: The pressing mechanism (4) comprises: The horizontal moving member (41) is installed on the machine table (1); The downward moving member (42) is connected with the horizontal moving member (41), and the horizontal moving member (41) is used to drive the downward moving member (42) to slide relative to the machine table (1); The pressing member (43) is installed on the downward moving member (42) and connected with the downward moving member (42), and the downward moving member (42) is used to drive the pressing member (43) to slide up and down relative to the machine table (1).

7. The apparatus according to claim 6, wherein: The horizontal moving member (41) comprises: The horizontal moving frame is fixedly installed on the machine table (1); The horizontal moving power machine is fixedly installed on the horizontal moving frame; The horizontal moving screw is rotatably installed on the horizontal moving frame, one end of the horizontal moving screw is connected with a horizontal moving power machine, and the horizontal moving power machine is used to drive the horizontal moving screw to rotate; The downward moving member (42) comprises: The downward moving frame is slidably connected with the horizontal moving frame and rotatably connected with the horizontal moving screw; The downward moving power machine is fixedly installed on the downward moving frame; The downward moving screw is rotatably installed on the downward moving frame, and one end of the downward moving screw is connected with the downward moving power machine.

8. The apparatus according to claim 7, wherein: The pressing member (43) comprises: The pressing frame (430) is slidably connected with the downward moving frame and rotatably connected with the downward moving screw; The first pressing cylinder (431), The second pressing cylinder (432), the first pressing cylinder (431) and the second pressing cylinder (432) are rotatably installed on the pressing frame (430) respectively; The first pressing cylinder (431) is located above the second pressing cylinder (432); The pressing power member (433) is fixedly installed on the pressing frame (430), and the pressing power member (433) is provided with at least two groups; The first pressing cylinder (431) and the second pressing cylinder (432) are connected with one group of pressing power members (433) respectively.