Profile cutting equipment for building construction

By designing a profile cutting device with a rotatable support frame that connects to the base, the problem of sag and tilt during long profile cutting is solved, ensuring cutting accuracy. When not in use, the device can be folded to reduce its size, facilitating flexible transportation and relocation at the construction site.

CN224128731UActive Publication Date: 2026-04-17XIAMEN CHINA UNITED CONSTR ENG +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAMEN CHINA UNITED CONSTR ENG
Filing Date
2026-03-09
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

When cutting long profiles, existing abrasive wheel cutting machines cause the cut to tilt due to the drooping of the suspended part, which affects the cutting accuracy. In addition, the fixed extension platform equipment is bulky and inconvenient to move.

Method used

A profile cutting device including a cutting machine body, a base, a support frame, and a guide roller is designed. The support frame can be rotated to a horizontal state to dock with the base to form an extended support platform. The vertical positioning and cutting accuracy of the profile are ensured by a linkage locking mechanism and a guide roller structure. After processing, the device can be rotated and folded to reduce its size.

Benefits of technology

It enables vertical cutting and high-precision processing of long profiles. The equipment is easy to transport and relocate after being folded, combining high precision and flexibility to meet the needs of mobile operations in construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses profile cutting equipment for building construction, and relates to the technical field of building profile processing, the profile cutting equipment for building construction comprises a cutting machine body, a base, support frames and a material guide roller, the cutting machine body is rotatably connected to the base, the support frames are vertically and rotatably connected to the two sides of the base, and the material guide roller is arranged on the base. The supporting frames are evenly and rotationally connected with a plurality of material guide rollers, the two supporting frames rotate to be horizontal and are in butt joint with the base to form a long supporting platform, and the upper sides of the material guide rollers are matched and flush with the upper side of the base. The supporting frames which can rotate to the horizontal state and are in butt joint with the base are arranged on the two sides, an extended rigid supporting platform is formed, the problems of overhanging and inclining in the long profile machining process are effectively solved, the perpendicularity and machining precision of a cutting face are guaranteed, after machining is completed, the supporting frames can rotate to be folded to the vertical state, and the supporting frames can be folded to the horizontal state. And the equipment size is greatly reduced, and transportation and transition are facilitated.
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Description

Technical Field

[0001] This utility model relates to the field of building profile processing technology, and in particular to a profile cutting device for building construction. Background Technology

[0002] Various metal profiles are widely used in building construction, such as steel structural components (H-beams, square tubes, angle steel) that make up the main structure, as well as aluminum alloy profiles used for curtain walls, doors and windows. The significant feature of these profiles is their large length, and they must be precisely cut and prepared according to design requirements before installation.

[0003] The common equipment used for cutting the above-mentioned metal profiles at the construction site is mainly an abrasive wheel cutting machine. Its basic structure includes: a fixed or rotatable cutting machine body (with a high-speed rotating abrasive wheel installed) and a base for supporting the profile. During operation, the profile is placed on the base and pressed against the reference ruler, and the cutting is completed by pressing down the abrasive wheel.

[0004] However, the base platform of the aforementioned abrasive wheel cutting machine has a limited length. When cutting long profiles, the overhanging part beyond the platform will sag due to gravity, causing the profile to be in an inclined state during cutting. This seriously affects the verticality of the cut and the overall cutting accuracy. Although some solutions equip the cutting machine with a fixed extended guide platform to provide support, such platforms are usually not foldable, resulting in a large equipment size and extremely inconvenient movement, completely losing portability and failing to adapt to the characteristics of frequent site changes and dispersed work points in construction sites. Utility Model Content

[0005] This utility model addresses the aforementioned problems by providing a profile cutting device for building construction. It effectively solves the problem of sag and tilt during the processing of long profiles, ensuring the verticality of the cut surface and processing accuracy. After processing, the support frame can be rotated and folded to a vertical state, significantly reducing the size of the equipment and facilitating transportation and relocation.

[0006] The technical solution adopted to solve the above technical problems is: a profile cutting equipment for building construction, including a cutting machine body, a base, a support frame and a guide roller. The cutting machine body is rotatably connected to the base. Support frames are vertically rotatably connected to both sides of the base. Multiple guide rollers are evenly rotatably connected to the support frames. Two of the support frames are rotated to a horizontal position and dock with the base to form a long support platform. The upper side of the guide roller is flush with the upper side of the base.

[0007] Furthermore, it also includes a rotating component, connecting rods, pressure rods, reinforcing rods, and insertion holes. The rotating component is rotatably connected to the center position of the lower side of the base. Connecting rods are eccentrically hinged to both sides of the rotating component. The pressure rods are hinged to the connecting rods one by one. Reinforcing rods are fixedly connected to both ends of the pressure rods. The reinforcing rods are slidably connected to the lower side of the base. Insertion holes are provided on both sides of the support frame. The reinforcing rods cooperate with the corresponding insertion holes.

[0008] Furthermore, it also includes a spur gear, a rack, a tensioning member, and a locking groove. The spur gear is coaxially and fixedly connected to the rotating component. Racks mesh on both sides of the spur gear. The racks are slidably connected to the lower side of the base. The tensioning member is fixedly connected to the racks one-to-one. An inclined surface is provided on the tensioning member. A locking groove is provided at the bottom of the support frame. An inclined surface is provided in the locking groove. The inclined surface of the tensioning member and the inclined surface of the locking groove cooperate to abut and lock the tensioning member.

[0009] Furthermore, it also includes a connecting frame, a fixed roller, a sliding frame, a clamping roller, a first spring, and inclined members. The connecting frame is fixedly connected to one of the support frames, the fixed roller is rotatably connected to the connecting frame, the sliding frame is slidably connected to the support frame, the clamping roller is rotatably connected to the sliding frame, the first spring is sleeved on the sliding frame, and the first spring provides elastic force to the sliding frame. Inclined members are fixedly connected to the upper side of the connecting frame and the upper side of the sliding frame. The two inclined members form an inverted "V" structure. The fixed roller and the clamping roller are both perpendicular to the guide roller, and the side of the fixed roller is flush with the straightedge on the base.

[0010] Furthermore, it also includes a locking rod, a locking hole, a locking pin, and a second spring. The locking rod is rotatably connected to one of the support frames, the locking hole is opened at the end of the locking rod, the locking pin is slidably connected to the other support frame, the locking pin cooperates with the locking hole, and the second spring is sleeved on the locking pin, providing elastic force to the locking pin.

[0011] Furthermore, it also includes a rocker arm, a bevel gear set, support feet, a retaining plate, screws, and a flexible pad. The rocker arm is rotatably connected to the lower side of the base. The bevel gear set links the rocker arm with the spur gear. Support feet are screwed to both sides of the support frame. The retaining plate is slidably connected to the corresponding support frame. Screws are screwed to one side of the retaining plate and are used to lock the retaining plate. The flexible pad is connected to the end of the support frame.

[0012] The beneficial effects of this utility model are as follows: This utility model forms an extended rigid support platform by setting support frames on both sides that can be rotated to a horizontal state and connected to the base. This effectively solves the problem of sag and tilt during the processing of long profiles, ensuring the verticality of the cutting surface and the processing accuracy. After processing, the support frames can be rotated and folded to a vertical state, which greatly reduces the size of the equipment, facilitates transportation and relocation, and is well adapted to the mobile operation needs of construction sites. This makes the cutting equipment have both high precision and flexibility. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of the present invention in its stored state.

[0014] Figure 2 This is a structural diagram of the present invention in use.

[0015] Figure 3 This is a schematic diagram of the bottom structure of the base of this utility model.

[0016] Figure 4 This is a schematic diagram of the linkage position of this utility model.

[0017] Figure 5 This is a schematic diagram showing the position of the spur gear in this utility model.

[0018] Figure 6 This is a schematic diagram of the sliding frame position of this utility model.

[0019] Figure 7 This is a schematic diagram of the locking groove structure of this utility model.

[0020] Reference numerals in the attached drawings: 1. Cutting machine body; 2. Base; 3. Support frame; 4. Guide roller; 5. Rotating component; 6. Connecting rod; 7. Pressure rod; 8. Reinforcing rod; 9. Insertion hole; 10. Spur gear; 11. Rack; 12. Tensioning component; 13. Locking groove; 14. Connecting frame; 15. Fixed roller; 16. Sliding frame; 17. Clamping roller; 18. First spring; 19. Inclined component; 20. Locking rod; 21. Locking hole; 22. Locking pin; 23. Second spring; 24. Rocker arm; 25. Bevel gear set; 26. Support foot; 27. Abutment plate; 28. Screw; 29. ​​Flexible pad. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] like Figures 1-7As shown in the figure, this embodiment provides a profile cutting device for building construction, including a cutting machine body 1, a base 2, a support frame 3 and a guide roller 4. The cutting machine body 1 is rotatably connected to the base 2. The support frame 3 is vertically rotatably connected to both sides of the base 2. Multiple guide rollers 4 are evenly rotatably connected to the support frame 3. Two support frames 3 are rotated to the horizontal and dock with the base 2 to form a long support platform. The upper side of the guide roller 4 is flush with the upper side of the base 2.

[0023] In the above embodiments, an extended rigid support platform is formed by setting support frames 3 on both sides that can be rotated to a horizontal state and docked with the base 2. This effectively solves the problem of sag and tilt during the processing of long profiles, ensuring the verticality of the cutting surface and the processing accuracy. After processing, the support frame 3 can be rotated and folded to a vertical state, greatly reducing the size of the equipment, facilitating transportation and relocation, and well adapting to the mobile operation needs of construction sites. This makes the cutting equipment have both high precision and flexibility. The setting of the guide roller 4 greatly reduces the frictional resistance when pushing the profile, allowing long workpieces to move easily and reducing labor intensity.

[0024] Specifically, it also includes a rotating part 5, a connecting rod 6, a pressure rod 7, a reinforcing rod 8, and a socket 9. The rotating part 5 is rotatably connected to the center of the lower side of the base 2. The connecting rod 6 is eccentrically hinged to both sides of the rotating part 5. The pressure rod 7 is hinged to the connecting rod 6 in a one-to-one correspondence. The two ends of the pressure rod 7 are fixedly connected to the reinforcing rod 8. The reinforcing rod 8 is slidably connected to the lower side of the base 2. The support frame 3 has sockets 9 on both sides, and the reinforcing rod 8 cooperates with the corresponding socket 9.

[0025] It also includes a spur gear 10, a rack 11, a tensioning member 12, and a locking groove 13. The spur gear 10 is coaxially and fixedly connected to the rotating member 5. The rack 11 is meshed on both sides of the spur gear 10. The rack 11 is slidably connected to the lower side of the base 2. The tensioning member 12 is fixedly connected to the rack 11 in a one-to-one correspondence. The tensioning member 12 has a bevel. The bottom of the support frame 3 has a locking groove 13. The locking groove 13 has a bevel. The bevel of the tensioning member 12 and the bevel of the locking groove 13 cooperate to abut and lock.

[0026] In the above embodiments, an integrated linkage locking mechanism is formed, which can reinforce and tighten the support frame 3 after it is unfolded, ensuring the rigidity and stability of the overall platform in the working state, providing a reliable foundation for high-precision cutting, realizing the rigid connection and bending reinforcement between the support frame 3 and the base 2, and improving the platform's resistance to torsion and sagging. By rotating the rotating part 5, the connecting rod 6 is driven to move, so that the pressure rods 7 on both sides move away from each other, thereby allowing the reinforcing rod 8 to be inserted into the insertion hole 9 of the support frame 3, locking the support frame 3. By rotating the spur gear 10 synchronously with the rotating part 5, while the rotating part 5 drives the reinforcing rod 8 to move, the spur gear 10 drives the racks 11 on both sides to move, so that the tensioning parts 12 on both sides come closer to each other, and the inclined surface on the tensioning part 12 abuts and locks with the inclined surface in the locking groove 13, further stabilizing the two support frames 3 on both sides of the base 2, and further improving the rigidity of the overall device.

[0027] Specifically, it also includes a connecting frame 14, a fixed roller 15, a sliding frame 16, a clamping roller 17, a first spring 18, and an inclined piece 19. The connecting frame 14 is fixedly connected to one of the support frames 3. The fixed roller 15 is rotatably connected to the connecting frame 14. The sliding frame 16 is slidably connected to the support frame 3. The clamping roller 17 is rotatably connected to the sliding frame 16. The first spring 18 is sleeved on the sliding frame 16 and provides elastic force to the sliding frame 16. An inclined piece 19 is fixedly connected to the upper side of the connecting frame 14 and the upper side of the sliding frame 16. The two inclined pieces 19 are in the shape of an inverted "V". The fixed roller 15 and the clamping roller 17 are both perpendicular to the guide roller 4. The side of the fixed roller 15 is flush with the ruler on the base 2.

[0028] In the above embodiments, by using the two inclined members 19, the profile is pressed vertically downwards during profile processing. The profile enters between the two inclined members 19 of the inverted "V" structure, and the profile pushes the sliding frame 16 to move. At this time, the first spring 18 is compressed until the profile enters between the clamping roller 17 and the fixed roller 15. Since the side of the fixed roller 15 is flush with the ruler on the base 2, the profile is quickly positioned and assisted in clamping. The inverted "V" shaped inclined members 19 guide the profile to enter automatically. The first spring 18 enables the clamping roller 17 to adapt to profiles of different sizes and apply stable lateral pressure. The side of the fixed roller 15 is flush with the ruler, which ensures that the reference edge of the profile is quickly aligned, greatly improving efficiency.

[0029] Specifically, it also includes a locking rod 20, a locking hole 21, a locking pin 22, and a second spring 23. The locking rod 20 is rotatably connected to one of the support frames 3. The locking hole 21 is opened at the end of the locking rod 20. The locking pin 22 is slidably connected to the other support frame 3. The locking pin 22 cooperates with the locking hole 21. The second spring 23 is sleeved on the locking pin 22 and provides elastic force to the locking pin 22.

[0030] In the above embodiments, by inserting the locking pin 22 into the locking hole 21 of the locking rod 20, the two support frames 3 are locked when they are in the vertical state, which solves the problem of safe carrying in the folded state. The two vertical support frames 3 are firmly locked, so that the equipment becomes a whole when it is transported, avoiding accidental unfolding that may cause bumps or dangers.

[0031] Specifically, it also includes a rocker arm 24, a bevel gear set 25, a support foot 26, a retaining plate 27, a screw 28, and a flexible pad 29. The rocker arm 24 is rotatably connected to the lower side of the base 2. The bevel gear set 25 links the rocker arm 24 with the spur gear 10. Support feet 26 are screwed to both sides of the support frame 3. The retaining plate 27 is slidably connected to the corresponding support frame 3. The screw 28 is screwed to one side of the retaining plate 27 and is used to lock the retaining plate 27. The flexible pad 29 is connected to the end of the support frame 3.

[0032] In the above embodiments, the rotation of the rocker arm 24 drives the bevel gear set 25, which in turn drives the spur gear 10 and the rotating part 5 to rotate, thereby achieving a stable rigid connection operation. The height of the support foot 26 can be adjusted by rotating the support foot 26, ensuring that the platform is level on uneven ground. The sliding of the abutment plate 27 can abut against the end of the profile to be processed, thereby positioning the profile laterally. The flexible pad 29 protects the metal parts, reduces collision noise and damage, and extends the equipment life.

[0033] The working principle of this utility model is as follows:

[0034] During transportation and transfer, the two side support frames 3 rotate to a vertical position and are locked together by the locking rod 20 and locking pin 22 mechanism to form a compact whole, which is easy to carry or transport to the construction position.

[0035] In the processing preparation, the base 2 is placed stably, the locking pin 22 is pulled, the second spring 23 is compressed, so that the locking pin 22 is separated from the locking hole 21. The two side support frames 3 are rotated and placed flat to a horizontal position, and docked with the base 2 to form a complete long support platform (before the support frame 3 is rotated to a horizontal state, the reinforcing rods 8 are in a retracted state close to each other, and the two tensioning parts 12 are in a state far apart from each other, so as to facilitate the smooth rotation of the support frame 3). Then, the adjustable support foot 26 is rotated to stabilize the support frame 3 horizontally. The rocker arm 24 is rocked, and the spur gear 10 and the rotating part 5 are driven to rotate synchronously through the bevel gear set 25. The two locking mechanisms are linked, the rotating part 5 rotates, and pushes the two side reinforcing rods 8 outward through the eccentric connecting rod 6 to insert into the insertion hole 9 of the support frame 3 to achieve a preliminary rigid connection. At the same time, the spur gear 10 rotates, which drives the two side tensioning parts 12 to move closer to each other. The inclined surface of the tensioning part 12 slides into the inclined locking groove 13 at the bottom of the support frame 3 and weds it, generating a continuous tension force. It cooperates with the flexible pad 29 to eliminate gaps and complete the secondary stabilization reinforcement.

[0036] In profile processing, the profile is pressed vertically downwards, allowing it to naturally enter between the inverted "V"-shaped inclined pieces 19. The profile overcomes the force of the first spring 18 to push open the sliding frame 16 and enter between the fixed roller 15 and the clamping roller 17. The fixed roller 15 and the clamping roller 17 provide auxiliary clamping. Since the side of the fixed roller 15 is flush with the base 2 ruler, one side of the profile can be quickly aligned and pushed forward. The guide roller 4 facilitates its sliding until the end contacts the preset abutment plate 27, completing the length positioning. The screw 28 is then tightened to fix the abutment plate 27. Afterwards, the standard clamping mechanism on the base 2 (not shown in the figure, which is existing technology) is used to finally clamp the profile at the cutting point. The cutting machine body 1 is started to cut. Throughout the process, the extended rigid platform ensures that the long profile is effectively supported throughout the process without sagging or deformation, thereby ensuring cutting accuracy.

[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model.

Claims

1. A profile cutting device for construction, comprising a cutting machine body (1) and a base (2), the cutting machine body (1) being rotatably connected to the base (2), characterized in that, Also includes: Support frame (3), both sides of the base (2) are vertically rotatably connected to the support frame (3); The guide roller (4) is evenly rotatably connected to the support frame (3). The two support frames (3) are rotated to a horizontal position and docked with the base (2) to form a long support platform; The upper side of the guide roller (4) is flush with the upper side of the base (2); A connecting frame (14) is fixedly connected to one of the support frames (3); The fixed roller (15) is rotatably connected to the connecting frame (14); A sliding frame (16) is slidably connected to the support frame (3); The clamping roller (17) is rotatably connected to the sliding frame (16); A first spring (18) is sleeved on the sliding frame (16), and the first spring (18) provides elastic force to the sliding frame (16); Inclined member (19), both the upper side of the connecting frame (14) and the upper side of the sliding frame (16) are fixedly connected to the inclined member (19), and the two inclined members (19) are in the shape of an inverted "V"; The fixed roller (15) and the clamping roller (17) are both perpendicular to the guide roller (4); The side of the fixed roller (15) is flush with the ruler on the base (2).

2. A profile cutting apparatus for building construction according to claim 1, wherein Also includes: The rotating part (5) is rotatably connected to the center position of the lower side of the base (2); The connecting rod (6) is eccentrically hinged on both sides of the rotating part (5); The pressure rod (7) is hinged to the connecting rod (6) in a one-to-one correspondence; The reinforcing rod (8) is fixedly connected to both ends of the pressure rod (7), and the reinforcing rod (8) is slidably connected to the lower side of the base (2); Insertion hole (9), the support frame (3) has insertion holes (9) on both sides, and the reinforcing rod (8) cooperates with the corresponding insertion hole (9).

3. A profile cutting apparatus for building construction according to claim 2, wherein Also includes: The spur gear (10) is coaxially fixed to the rotating component (5); Rack (11), the spur gear (10) is meshed with rack (11) on both sides, the rack (11) is slidably connected to the lower side of the base (2); The tensioning member (12) is fixedly connected to the rack (11) in a one-to-one correspondence, and the tensioning member (12) has an inclined surface; Locking groove (13), the bottom of the support frame (3) is provided with locking groove (13), and the locking groove (13) is provided with inclined surface; The inclined surface of the tensioning member (12) engages with the inclined surface of the locking groove (13) to lock it in place.

4. The profile cutting equipment for building construction according to claim 1, characterized in that, Also includes: Locking rod (20) is rotatably connected to one of the support frames (3); A lock hole (21) is provided at the end of the lock rod (20); A locking pin (22) is slidably connected to another support frame (3), and the locking pin (22) cooperates with the locking hole (21); The second spring (23) is sleeved on the locking pin (22), and the second spring (23) provides elastic force to the locking pin (22).

5. A profile cutting apparatus for building construction according to claim 3, wherein Also includes: The rocker arm (24) is rotatably connected to the lower side of the base (2); The bevel gear set (25) links the rocker arm (24) with the spur gear (10); Support legs (26), both sides of the support frame (3) are screwed with support legs (26); The clamping plate (27) is slidably connected to the corresponding support frame (3); A screw (28) is screwed onto one side of the abutment plate (27), and the screw (28) is used to lock the abutment plate (27); A flexible pad (29) is attached to the end of the support frame (3).