Numerical control bending machine rack structure

CN224824034UActive Publication Date: 2026-10-09YANGZHOU DONGFENG CAR BODY FACTORY
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Patent Information

Application Number
CN202522402024.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-12
Publication Date
2026-10-09
Estimated Expiration
2035-11-12

AI Technical Summary

Technical Problem

[0003]当前数控折弯机机架设计普遍聚焦于刚性、精度和加工效率,大部分机型未配备防护装置,仅依赖警示标识或传感器,无法完全阻止工人手部误伸入折弯刀下侧,部分机型尝试加装固定式防护栏,但会阻碍大型工件上下料,且不方便拆卸

Benefits of technology

[0017]通过固定座、移动座和遮挡板之间的配合设置,使得遮挡板可根据工件的尺寸进行位置调节,从而位于折弯操作区域的前方,形成一个物理屏障,有效阻止操作人员的手部或其他物体误伸入上模下方,为操作人员提供了可靠的安全防护,且移动座与固定座滑动配合,便于安装和拆卸。

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Abstract

The utility model relates to the technical field of bending machine, specifically a numerical control bending machine frame structure, including frame body, the frame body includes slider body, still include: fixed base, install in the front lateral wall of slider body, the front lateral wall of fixed base is opened and has slid and inserts the slot, mobile seat, the sliding setting is in fixed base, the mobile seat includes the Z shape board, the inside fixed connection of Z shape board has the connecting seat, the outer wall fixed connection of connecting seat has the plug -in seat, the plug -in seat with slid and inserts the slot sliding joint. In the utility model, the cooperation and setting between fixed base, mobile seat and baffle make baffle can carry out position adjustment according to the size of work piece, thereby being located in the front of bending operation area, forms a physical barrier, effectively prevents the hand of operator or other objects from misreaching into the below of upper die, provides reliable safety protection for operator, and mobile seat and fixed base sliding cooperation, facilitate installation and dismounting.
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Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, specifically a frame structure for a CNC bending machine. Background Technology

[0002] A CNC bending machine is a metal sheet processing equipment that uses a CNC system to precisely control the bending angle, depth, and position. It uses hydraulic or servo motors to drive the slide to move up and down, and with the interaction of the upper and lower dies, it applies pressure to the sheet to cause plastic deformation.

[0003] Currently, the design of CNC bending machine frames generally focuses on rigidity, precision, and processing efficiency. Most models are not equipped with protective devices and rely only on warning signs or sensors, which cannot completely prevent workers from accidentally putting their hands under the bending cutter. Some models have tried to install fixed protective railings, but this will hinder the loading and unloading of large workpieces and is inconvenient to disassemble. Utility Model Content

[0004] The purpose of this utility model is to provide a frame structure for a CNC bending machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A CNC bending machine frame structure includes a frame body, the frame body including a slider body, and further includes:

[0007] A fixing seat is installed on the front side wall of the slider body, and the front side wall of the fixing seat is provided with a sliding slot.

[0008] A movable seat is slidably mounted on a fixed seat. The movable seat includes an inverted plate, a connecting seat is fixedly connected inside the inverted plate, and a plug-in seat is fixedly connected to the outer wall of the connecting seat. The plug-in seat is slidably plugged into a sliding slot.

[0009] A baffle plate is installed below the movable seat. The baffle plate is fixedly connected to the bottom surface of the U-shaped plate through a fixing plate. Two round rods are inserted through the top surface of the fixing plate. The bottom ends of the two round rods are fixedly connected to the top of the baffle plate. A return spring is sleeved on the outer wall of each of the two round rods.

[0010] Furthermore, the front sidewall of the fixed seat is symmetrically and fixedly connected with two racks.

[0011] Furthermore, the movable seat also includes a positioning component, which includes a connecting plate. The connecting plate abuts against the outer wall of the U-shaped plate. Two round rods are fixedly connected to the inner side wall of the connecting plate. Both round rods are slidably inserted into the U-shaped plate. A toothed block is fixedly connected to the end of each round rod near the connecting seat. The two toothed blocks mesh with two racks respectively. A return spring is sleeved on the outer wall of each round rod. A handle is fixedly connected to the outer side wall of the connecting plate.

[0012] Furthermore, the top and bottom surfaces of the connector are slidably fitted with locking blocks, and a number of return springs are connected between the two locking blocks. Adjusting rods are fixedly connected to the side walls of the two locking blocks, and the ends of the adjusting rods extend through to the outer side of the U-shaped plate.

[0013] Furthermore, a handle is fixedly connected to the outer wall of the shield.

[0014] Furthermore, a rubber pad is provided at the bottom of the shield.

[0015] Furthermore, the cross-section of the sliding slot is T-shaped.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] The combination of the fixed seat, the movable seat, and the baffle allows the baffle to be positioned according to the size of the workpiece, thus placing it in front of the bending operation area to form a physical barrier. This effectively prevents the operator's hands or other objects from accidentally reaching under the upper die, providing reliable safety protection for the operator. Furthermore, the movable seat and the fixed seat slide together, facilitating installation and disassembly. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the combined structure of the movable seat and the shield in this utility model;

[0020] Figure 3 This is a schematic diagram of the movable seat structure in this utility model;

[0021] Figure 4 This is a schematic diagram of the positioning component structure in this utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the movable seat in this utility model;

[0023] Figure 6 This is an enlarged schematic diagram of the structure of region A in this utility model.

[0024] In the diagram: 100, frame body; 110, slider body; 200, fixed seat; 210, sliding slot; 220, rack; 300, moving seat; 310, C-shaped plate; 320, connecting seat; 330, plug-in seat; 340, positioning assembly; 341, connecting plate; 342, round rod one; 343, toothed block; 344, return spring one; 345, handle one; 350, snap-fit ​​block; 360, return spring two; 370, adjusting rod; 400, baffle plate; 410, fixed plate; 420, round rod two; 430, return spring three; 440, handle two. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] Please see Figure 1-6 In this embodiment of the utility model, a CNC bending machine frame structure includes a frame body 100, a fixed seat 200, a movable seat 300, and a baffle plate 400. The movable seat 300 and the baffle plate 400 are fixed to each other and are provided in multiples. The frame body 100 includes a slider body 110. The fixed seat 200 is installed on the front side wall of the slider body 110 and is located above the quick clamp. The front side wall of the fixed seat 200 has a sliding slot 210. The movable seat 300 is slidably disposed on the fixed seat 200. The movable seat 300 includes a U-shaped plate 310. A connecting seat 320 is fixedly connected inside the U-shaped plate 310, and the outer wall of the connecting seat 320 is fixedly connected to... A plug-in seat 330 is provided. The inner top surface and inner bottom surface of the C-shaped plate 310 are in contact with the top surface and bottom surface of the fixed seat 200, respectively. The outer wall of the connecting seat 320 abuts against the front side wall of the fixed seat 200. The plug-in seat 330 is slidably plugged into the sliding slot 210. The baffle plate 400 is located below the movable seat 300. The baffle plate 400 is fixedly connected to the bottom surface of the C-shaped plate 310 through the fixed plate 410. Two round rods 420 are inserted through the top surface of the fixed plate 410. The bottom ends of the two round rods 420 are fixedly connected to the top end of the baffle plate 400. The outer walls of the two round rods 420 located below the fixed plate 410 are fitted with return springs 430.

[0028] Specifically, during use, the operator slides several movable seats 300 along the sliding slots 210 of the fixed seat 200 to appropriate positions according to the size of the workpiece to be processed, so that the shielding plate 400 shields the front side of the upper mold. The shielding plate 400 can be made of transparent material for easy observation during processing. When the slider body 110 is in its original position, the shielding plate 400 extends downwards and approaches the lower mold area by default due to the elastic force of the round rod 420, thereby effectively shielding the bending operation area. After the workpiece is placed on the lower mold, during the processing, the hydraulic cylinder drives the slider to move down so that the upper mold and the lower mold cooperate to bend the workpiece. During this process, the handle 440 is compressed by the pressure-type return spring 430, so that the bottom end of the shielding plate 400 is still in contact with the workpiece, preventing the operator from putting his hand between the upper and lower molds, and always maintaining a good protective state.

[0029] like Figure 3-4 and Figure 6 As shown, in this embodiment, two racks 220 are symmetrically fixedly connected to the front sidewall of the fixed base 200. The movable base 300 also includes a positioning assembly 340, which includes a connecting plate 341. The connecting plate 341 abuts against the outer wall of the C-shaped plate 310. Two round rods 342 are fixedly connected to the inner sidewall of the connecting plate 341. Two round holes are opened on the outer wall of the C-shaped plate 310. Both round rods 342 are slidably inserted into the round holes on the C-shaped plate 310. A toothed block 343 is fixedly connected to the end of each round rod 342 near the connecting base 320. The two toothed blocks 343 respectively mesh with the two racks 220. A return spring 344 is sleeved on the outer wall of each round rod 342. A handle 345 is fixedly connected to the outer sidewall of the connecting plate 341.

[0030] In this embodiment, since the movable seat 300 slides into the sliding slot 210, in order to prevent the movable seat 300 from causing the baffle plate 400 to shift during the processing, the position of the movable seat 300 is fixed by the positioning component 340. When the position of the movable seat 300 needs to be adjusted, the operator only needs to hold the handle 345 and pull it outward, so that the connecting plate 341 drives the tooth block 343 to overcome the elastic force of the return spring 344 and disengage from the tooth groove of the rack 220 through the round rod 342. At this time, the movable seat 300 loses the positioning constraint and can slide along the sliding slot 210 of the fixed seat 200 under the action of external force. When the movable seat 300 slides to the new position, the handle 345 is released, the return spring 344 returns to its deformation, and pushes the tooth block 343 to re-engage in the tooth groove of the rack 220, thus completing the repositioning of the movable seat 300.

[0031] like Figure 2As shown, in this embodiment, a handle 440 is fixedly connected to the outer wall of the baffle 400. A rubber pad is provided at the bottom end of the baffle 400. The rubber pad can play a buffering role, reducing frictional damage caused by collision between the baffle 400 and the workpiece.

[0032] In practice, in order to effectively prevent the operator's hands or other objects from accidentally entering the upper and lower mold areas, the return spring 3 430 is in a naturally extended state under normal conditions, so that the bottom end of the handle 2 440 is closer to the lower mold position than the upper mold. When it is necessary to place the workpiece, the handle 2 440 can be grasped and moved upward to manually control the baffle 400 to move upward, so that the workpiece can be placed in the processing area.

[0033] Example 2

[0034] Based on Embodiment 1, in order to overcome the inconvenience of having to first disassemble the movable seats 300 on both sides when it is necessary to disassemble the movable seat 300 located in the middle section of the sliding slot 210 in Embodiment 1.

[0035] like Figure 3 and Figure 5 As shown, in this embodiment, both the plug-in base 330 and the snap-fit ​​block 350 have communicating cavities inside. The snap-fit ​​blocks 350 are slidably inserted into the top and bottom surfaces of the plug-in base 330. Several return springs 360 connect between the two snap-fit ​​blocks 350. Under the push of the return springs 360, the two snap-fit ​​blocks 350 will extend outwards by default. Adjusting rods 370 are fixedly connected to the side walls of both snap-fit ​​blocks 350, with the ends of the adjusting rods 370 extending through to the outside of the C-shaped plate 310. The C-shaped plate 310 has a groove inside for the two adjusting rods 370 to move towards each other. The sliding slot 210 has a T-shaped cross-section.

[0036] In practice, the two locking blocks 350 extend outward under the push of the second return spring 360, forming a T-shaped cross-section with the plug seat 330 that matches the cross-sectional shape of the sliding slot 210. This prevents the movable seat 300 from being pulled out of the sliding slot 210 when the handle 345 is pulled after it is slid into the sliding slot 210. When it is necessary to disassemble the movable seat 300 located between the two movable seats 300, the two adjusting rods 370 can be pinched up and down to bring them closer together, thereby causing the second return spring 360 to retract. Both locking blocks 350 retract into the internal cavity of the plug seat 330. At this time, the locking blocks 350 are no longer locked with the sliding slot 210, and the movable seat 300 can be pulled out directly.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A frame structure for a CNC bending machine, comprising a frame body (100), the frame body (100) including a slider body (110), characterized in that, Also includes: A fixing seat (200) is installed on the front side wall of the slider body (110), and a sliding slot (210) is provided on the front side wall of the fixing seat (200). The movable seat (300) is slidably disposed on the fixed seat (200). The movable seat (300) includes an inverted plate (310). A connecting seat (320) is fixedly connected inside the inverted plate (310). A plug-in seat (330) is fixedly connected to the outer wall of the connecting seat (320). The plug-in seat (330) is slidably plugged into the sliding slot (210). A baffle plate (400) is set below the movable seat (300). The baffle plate (400) is fixedly connected to the bottom surface of the U-shaped plate (310) through a fixing plate (410). Two round rods (420) are inserted through the top surface of the fixing plate (410). The bottom ends of the two round rods (420) are fixedly connected to the top end of the baffle plate (400). The outer walls of the two round rods (420) are fitted with a return spring (430).

2. The CNC bending machine frame structure according to claim 1, characterized in that, The front sidewall of the fixed base (200) is symmetrically fixedly connected to two racks (220).

3. The CNC bending machine frame structure according to claim 1, characterized in that, The movable seat (300) also includes a positioning component (340), which includes a connecting plate (341). The connecting plate (341) is attached to the outer wall of the shaped plate (310). Two round rods (342) are fixedly connected to the inner side wall of the connecting plate (341). Both round rods (342) are slidably inserted into the shaped plate (310). The ends of the two round rods (342) near the connecting seat (320) are fixedly connected to toothed blocks (343). The two toothed blocks (343) are respectively engaged with two racks (220). The outer walls of the two round rods (342) are fitted with reset springs (344). A handle (345) is fixedly connected to the outer side wall of the connecting plate (341).

4. The CNC bending machine frame structure according to claim 1, characterized in that, The top and bottom surfaces of the connector (330) are slidably connected to locking blocks (350), and several return springs (360) are connected between the two locking blocks (350). Adjusting rods (370) are fixedly connected to the side walls of the two locking blocks (350), and the ends of the adjusting rods (370) extend through to the outside of the U-shaped plate (310).

5. The CNC bending machine frame structure according to claim 1, characterized in that, The outer wall of the shield (400) is fixedly connected to a handle two (440).

6. The CNC bending machine frame structure according to claim 1 or 5, characterized in that, A rubber pad is provided at the bottom of the shield (400).

7. The CNC bending machine frame structure according to claim 1, characterized in that, The cross-section of the sliding slot (210) is T-shaped.