A tunnel steel arch frame arch bending production line blanking machine
By introducing a mobile drive mechanism and a lifting electric cylinder in conjunction with a lifting and picking claw into the material unloading machine of the tunnel steel arch frame bending production line, the problem of profile falling off was solved, and safety and space utilization were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 仁新焊机机器人(成都)股份有限公司
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-14
AI Technical Summary
In the material cutting process of the tunnel steel arch frame bending production line, the profiles are prone to falling off, posing a safety hazard and requiring a large area of equipment, which increases the cost of the factory.
A material unloading machine including a material picking device and a sliding adjustable material rack was designed. The machine uses a moving drive mechanism and a lifting electric cylinder to lift the material picking claws, ensuring that the profiles do not fall during the picking and placing process. The sliding adjustable material rack can adapt to profiles of different lengths and curvatures.
It effectively prevents profiles from falling during the grabbing and placement process, improves safety, reduces the equipment footprint, and lowers equipment investment costs.
Smart Images

Figure CN224492785U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of material feeding machine technology, and specifically relates to a material feeding machine for a tunnel steel arch frame bending production line. Background Technology
[0002] Steel arch support is a support measure that uses shaped steel to reinforce underground engineering structures. In tunnel engineering projects, the production of steel arches is a crucial step. In the continuous flexible production process of the tunnel steel arch bending production line, the original material feeding machine used a winch with grippers to grab the bending profiles completed in the end plate welding process. During the grabbing process, the profiles were prone to falling off, and during movement, they were also prone to falling off, posing safety hazards. Furthermore, during placement, the uprights needed to be grabbed and moved along a track beyond the material support frame, resulting in a large footprint and increased equipment and factory costs. Utility Model Content
[0003] In order to solve the above-mentioned problems in the existing technology, the purpose of this utility model is to provide a material feeding machine for a tunnel steel arch frame bending arch production line that avoids the falling of profiles.
[0004] The technical solution adopted in this utility model is as follows:
[0005] A material unloading machine for a tunnel steel arch frame bending production line includes a material picking device and two sliding adjustable material racks disposed on both sides of the material picking device; the material picking device includes a material picking ground rail, a movable frame is arranged on the material picking ground rail, a movable drive mechanism is installed on the movable frame, the output end of the movable drive mechanism is connected to the material picking ground rail, a lifting electric cylinder is installed on the movable frame, and a lifting picking claw with an upward opening is connected to the piston rod of the lifting electric cylinder.
[0006] The mobile drive mechanism of this invention moves the lifting claw to the position of the profile to be picked up. Then, the lifting electric cylinder drives the lifting claw to rise, allowing the profile to fall into the upward-facing lifting claw. After the mobile drive mechanism moves the profile to the position of the sliding adjustable rack, the lifting electric cylinder lowers, and the profile is automatically placed on the sliding adjustable rack. The opening of the lifting claw in this invention always faces upward, preventing the profile from falling out of the lifting claw.
[0007] In a preferred embodiment of this utility model, the moving drive mechanism includes a drive motor, the output end of which is connected to a reducer. The drive motor and reducer are mounted on a moving frame. The output end of the reducer is connected to a drive shaft, and a drive roller is connected to the drive shaft. The drive roller rests on the material-collecting rail. When the drive mechanism drives the reducer to operate, the reducer drives the drive shaft to rotate, and the drive shaft drives the drive roller to rotate. Thus, the moving frame can move its position by relying on the drive roller rolling on the material-collecting rail.
[0008] As a preferred embodiment of this utility model, the movable frame is further equipped with driven rollers, which are attached to the material handling rail. The drive rollers and driven rollers work together to support the movable frame, ensuring its stability.
[0009] In a preferred embodiment of this invention, a material-retrieving sliding groove is provided on the side of the material-retrieving rail, and a sliding block is fixed on the moving frame, with the end of the sliding block fitted into the material-retrieving sliding groove; both ends of the material-retrieving sliding groove are provided with limiting blocks to block the sliding block. The material-retrieving sliding groove can limit the sliding block, thereby ensuring that the driving roller and the driven roller are always in contact with the material-retrieving rail. The limiting blocks at both ends limit the sliding block, preventing the moving frame from dislodging from the material-retrieving rail.
[0010] In a preferred embodiment of this invention, a support frame is fixed on the movable frame, and a lifting electric cylinder is mounted on the support frame. The lifting and picking claw includes a support plate, one end of which is fixed to the piston rod of the lifting cylinder, and the other end of which is connected to a U-shaped claw. When the lifting and picking claw descends, the support plate overlaps the top of the support frame. The support frame serves two purposes: firstly, it mounts the lifting electric cylinder, and secondly, it supports the support plate, thereby reducing the torque after the profile is placed on the U-shaped claw and improving the stability of the lifting and picking claw.
[0011] As a preferred embodiment of this utility model, a drag chain groove is provided next to the material picking rail, and a drag chain connects the drag chain groove to the moving frame.
[0012] As a preferred embodiment of this utility model, the sliding adjustable material rack includes a material rack floor rail, on which a profile placement rack is mounted. The profile placement rack can move on the material rack floor rail to adjust the distance between the two profile placement racks to accommodate profiles of different lengths or curvatures.
[0013] As a preferred embodiment of this utility model, a row of positioning holes is provided on the material rack ground rail, and a positioning seat is fixed on the profile placement rack. The positioning seat is connected to one of the positioning holes by a positioning pin. When the profile placement rack moves to a certain position on the material rack ground rail, the positioning pin locks the profile placement rack to the material rack ground rail to prevent the profile placement rack from moving on its own.
[0014] As a preferred embodiment of this utility model, the bottom of the profile placement rack is equipped with several movable rollers, which are connected to the ground rail of the rack.
[0015] As a preferred embodiment of this utility model, a material rack sliding groove is provided on the side of the material rack ground rail, and a positioning seat is sleeved on the material rack sliding groove; both ends of the material rack sliding groove are provided with stop blocks to block the positioning seat. The material rack sliding groove can limit the positioning seat, thereby ensuring that the moving roller is always in contact with the material rack ground rail. The stop blocks at both ends limit the positioning seat block and prevent the profile placement rack from falling off the material rack ground rail.
[0016] The beneficial effects of this utility model are as follows:
[0017] The mobile drive mechanism of this invention moves the lifting claw to the position of the profile to be picked up. Then, the lifting electric cylinder drives the lifting claw to rise, allowing the profile to fall into the upward-facing lifting claw. After the mobile drive mechanism moves the profile to the position of the sliding adjustable rack, the lifting electric cylinder lowers, and the profile is automatically placed on the sliding adjustable rack. The opening of the lifting claw in this invention always faces upward, preventing the profile from falling out of the lifting claw. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a top view of the present invention;
[0020] Figure 3 This is a schematic diagram of the material handling device;
[0021] Figure 4 This is the front view of the material handling device;
[0022] Figure 5 This is a top view of the material handling device;
[0023] Figure 6 This is a structural diagram of a sliding adjustable material rack.
[0024] In the diagram: 1-Material picking device; 2-Sliding adjustable material rack; 11-Material picking ground rail; 12-Moving frame; 13-Moving drive mechanism; 14-Lifting electric cylinder; 15-Lifting material picking claw; 16-Drag chain groove; 21-Material rack ground rail; 22-Profile placement rack; 23-Positioning seat; 111-Material picking sliding groove; 112-Limit block; 121-Driven roller; 122-Sliding block; 123-Support frame; 131-Drive motor; 132-Reducer; 133-Drive shaft; 134-Drive roller; 151-Support plate; 152-U-shaped claw; 161-Drag chain; 211-Positioning hole; 212-Moving roller; 213-Material rack sliding groove; 214-Stop block; 231-Positioning pin. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention. It should be noted that, unless otherwise specified, the embodiments and features described in the embodiments of the present invention can be combined with each other.
[0027] like Figure 1 and Figure 2 As shown, the material unloading machine of the tunnel steel arch frame bending arch production line in this embodiment includes a material picking device 1 and two sliding adjustable material racks 2 respectively disposed on both sides of the material picking device 1; the material picking device 1 includes a material picking ground rail 11, a movable frame 12 is provided on the material picking ground rail 11, a movable drive mechanism 13 is installed on the movable frame 12, the output end of the movable drive mechanism 13 is connected to the material picking ground rail 11, a lifting electric cylinder 14 is installed on the movable frame 12, and a lifting picking claw 15 with an upward opening is connected to the piston rod of the lifting electric cylinder 14.
[0028] The movable drive mechanism 13 of this invention can move the lifting claw 15 to the position of the profile to be picked up, and then the lifting cylinder 14 drives the lifting claw 15 to rise, so that the profile can fall into the lifting claw 15 with its opening facing upward. After the movable drive mechanism 13 moves the profile to the position of the sliding adjustable rack 2, the lifting cylinder 14 lowers, so that the profile can be automatically placed on the sliding adjustable rack 2. The opening of the lifting claw 15 of this invention always faces upward, and the profile will not fall out of the lifting claw 15.
[0029] like Figures 3-5 As shown, the moving drive mechanism 13 includes a drive motor 131, the output end of which is connected to a reducer 132. The drive motor 131 and the reducer 132 are mounted on the moving frame 12. The output end of the reducer 132 is connected to a drive shaft 133, and a drive roller 134 is connected to the drive shaft 133. The drive roller 134 rests on the material picking rail 11. When the drive mechanism drives the reducer 132 to operate, the reducer 132 drives the drive shaft 133 to rotate, and the drive shaft 133 drives the drive roller 134 to rotate. Thus, the moving frame 12 can move its position by relying on the drive roller 134 rolling on the material picking rail 11.
[0030] Furthermore, the movable frame 12 is also equipped with driven rollers 121, which are attached to the material handling rail 11. The drive rollers 134 and driven rollers 121 work together to support the movable frame 12, ensuring its stability.
[0031] To limit the movement of the mobile frame 12, a material-picking sliding groove 111 is provided on the side of the material-picking rail 11. A sliding block 122 is fixed on the mobile frame 12, and the end of the sliding block 122 is fitted into the material-picking sliding groove 111. Limiting blocks 112 for blocking the sliding block 122 are provided at both ends of the material-picking sliding groove 111. The material-picking sliding groove 111 can limit the sliding block 122, thereby ensuring that the driving roller 134 and the driven roller 121 are always in contact with the material-picking rail 11. The limiting blocks 112 at both ends limit the sliding block 122, preventing the mobile frame 12 from detaching from the material-picking rail 11.
[0032] To provide support for the lifting claw 15, a support frame 123 is fixed on the movable frame 12. The lifting electric cylinder 14 is mounted on the support frame 123. The lifting claw 15 includes a support plate 151, one end of which is fixed to the piston rod of the lifting cylinder, and the other end of which is connected to a U-shaped claw 152. When the lifting claw 15 descends, the support plate 151 overlaps the top of the support frame 123. The support frame 123 serves two purposes: firstly, it mounts the lifting electric cylinder 14, and secondly, it supports the support plate 151, thereby reducing the torque on the U-shaped claw 152 after the profile is placed on it, and improving the stability of the lifting claw 15.
[0033] A drag chain groove 16 is provided next to the material picking rail 11, and a drag chain 161 is connected between the drag chain groove 16 and the moving frame 12.
[0034] It should be noted that there are two material-retrieving rails 11, and drive shafts 133 are connected to both sides of the reducer 132. Each of the two material-retrieving rails 11 is equipped with a drive roller 134 and a driven roller 121. Support frames 123 are fixed to both sides of the moving frame 12, and lifting electric cylinders 14 are installed on both support frames 123. The lifting claws 15 on both sides jointly support the profile.
[0035] Specifically, such as Figure 6 As shown, the sliding adjustable material rack 2 includes a material rack ground rail 21, on which a profile placement rack 22 is attached. The material rack ground rail 21 is perpendicular to the material picking ground rail 11. The profile placement rack 22 can move on the material rack ground rail 21 to adjust the distance between the two profile placement racks 22 to accommodate profiles of different lengths or curvatures.
[0036] The material rack rail 21 is provided with a row of positioning holes 211, and the profile placement rack 22 is fixed with a positioning seat 23. The positioning seat 23 is connected to one of the positioning holes 211 by a positioning pin 231. When the profile placement rack 22 moves to a certain position on the material rack rail 21, the positioning pin 231 locks the profile placement rack 22 to the material rack rail 21 to prevent the profile placement rack 22 from moving on its own.
[0037] Furthermore, the bottom of the profile placement rack 22 is equipped with several movable rollers 212, which are attached to the material rack ground rail 21.
[0038] To limit the positioning of the profile placement rack 22, a sliding groove 213 is provided on the side of the rack rail 21, and a positioning seat 23 is fitted onto the sliding groove 213. Both ends of the sliding groove 213 are provided with stop blocks 214 to block the positioning seat 23. The sliding groove 213 limits the positioning seat 23, ensuring that the moving roller 212 always engages with the rack rail 21. The stop blocks 214 at both ends limit the positioning seat 23, preventing the profile placement rack 22 from detaching from the rack rail 21.
[0039] It should be noted that there are two rails 21 on each side of the material rack, and each end of the profile placement rack 22 is equipped with a positioning seat 23 and two moving rollers 212. A horizontal support rod is provided on the profile placement rack 22, and limit posts are provided on both sides of the horizontal support rod. The two ends of the profile are placed on the horizontal support rods on both sides, and the limit posts serve to limit their movement.
[0040] This utility model is not limited to the above-mentioned optional embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in its shape or structure, any technical solution that falls within the scope of the claims of this utility model shall be protected by this utility model.
Claims
1. A material feeding machine for a tunnel steel arch frame bending production line, characterized in that: It includes a material picking device (1) and two sliding adjustable material racks (2) located on both sides of the material picking device (1); the material picking device (1) includes a material picking ground rail (11), a movable frame (12) is provided on the material picking ground rail (11), a movable drive mechanism (13) is installed on the movable frame (12), the output end of the movable drive mechanism (13) is connected to the material picking ground rail (11), a lifting electric cylinder (14) is installed on the movable frame (12), and a lifting picking claw (15) with an upward opening is connected to the piston rod of the lifting electric cylinder (14).
2. The material feeding machine for a tunnel steel arch frame bending production line according to claim 1, characterized in that: The mobile drive mechanism (13) includes a drive motor (131), the output end of the drive motor (131) is connected to a reducer (132), the drive motor (131) and the reducer (132) are mounted on the mobile frame (12), the output end of the reducer (132) is connected to a drive shaft (133), a drive roller (134) is connected to the drive shaft (133), and the drive roller (134) is attached to the material picking rail (11).
3. The material feeding machine for a tunnel steel arch frame bending production line according to claim 2, characterized in that: The mobile frame (12) is also equipped with driven rollers (121), which are attached to the material picking rail (11).
4. The material feeding machine for a tunnel steel arch frame bending production line according to claim 1, characterized in that: The side of the material picking rail (11) is provided with a material picking sliding groove (111), and a sliding block (122) is fixed on the moving frame (12). The end of the sliding block (122) is sleeved in the material picking sliding groove (111). Both ends of the material picking sliding groove (111) are provided with limiting blocks (112) for blocking the sliding block (122).
5. The material feeding machine for a tunnel steel arch frame bending production line according to claim 1, characterized in that: A support frame (123) is fixed on the movable frame (12). The lifting electric cylinder (14) is installed on the support frame (123). The lifting and picking claw (15) includes a support plate (151). One end of the support plate (151) is fixed to the piston rod of the lifting cylinder. The other end of the support plate (151) is connected to a U-shaped claw (152). When the lifting and picking claw (15) is lowered, the support plate (151) overlaps the top of the support frame (123).
6. The material feeding machine for a tunnel steel arch frame bending production line according to claim 1, characterized in that: A drag chain groove (16) is provided next to the material picking rail (11), and a drag chain (161) is connected between the drag chain groove (16) and the moving frame (12).
7. The material feeding machine for a tunnel steel arch frame bending production line according to claim 1, characterized in that: The sliding adjustable rack (2) includes a rack rail (21) with a profile placement rack (22) attached to the rack rail (21).
8. The material feeding machine for a tunnel steel arch frame bending production line according to claim 7, characterized in that: The material rack rail (21) is provided with a row of positioning holes (211), and the profile placement rack (22) is fixed with a positioning seat (23). The positioning seat (23) is connected to one of the positioning holes (211) through a positioning pin (231).
9. The material feeding machine for a tunnel steel arch frame bending production line according to claim 8, characterized in that: The bottom of the profile placement rack (22) is equipped with several movable rollers (212), which are attached to the material rack ground rail (21).
10. The material feeding machine for a tunnel steel arch frame bending production line according to claim 8, characterized in that: The side of the material rack rail (21) is provided with a material rack sliding groove (213), and the positioning seat (23) is sleeved on the material rack sliding groove (213); both ends of the material rack sliding groove (213) are provided with stop blocks (214) for blocking the positioning seat (23).