Positioning anti-disengagement bending machine for metal machining
By designing structures such as guide rails, sliding frames, and wedge blocks, and combining them with motor drive, high-precision positioning and anti-detachment of metal sheets are achieved, solving the shortcomings of traditional bending machines in positioning and anti-detachment, and improving processing quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN NANJING TAIFENG METAL IND CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-05-26
Smart Images

Figure CN224272809U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bending machine technology, and in particular to a metal processing bending machine with positioning and anti-detachment function. Background Technology
[0002] In the field of metal processing, bending machines are one of the most common processing equipment, widely used for bending and forming various metal materials. The working principle of a bending machine is generally to use the pressure between the upper and lower dies to bend the metal sheet into a predetermined angle and shape.
[0003] In the bending process of metal sheets, precise material positioning and prevention of material detachment are key factors affecting processing quality. Traditional bending machines typically use fixed baffles or manually adjustable limit devices. Manually adjusting the limit structure makes it difficult to guarantee symmetry and repeatability of positioning accuracy, affecting the consistency of batch processing. In addition, materials of different sizes or shapes require frequent fixture changes, reducing production efficiency.
[0004] Therefore, it is necessary to design a metal bending machine that combines high-precision positioning, rapid adjustment, and dynamic anti-detachment functions. Utility Model Content
[0005] The technical implementation scheme of this utility model is as follows: a metal processing bending machine with positioning and anti-detachment function, including a bending machine body, a mounting base, guide rails, a sliding frame, a wedge block, a guide rod, and a spring. A mounting base is provided on the upper part of one side of the bending machine body. Two guide rails are slidably arranged on the mounting base. Parallel upper and lower sliding grooves are opened on the opposite side of the two guide rails. Multiple sliding frames are slidably connected to the upper and lower sliding grooves. A guide rod is provided in the inner cavity of the sliding frame. A wedge block is slidably connected to the guide rod. The wedge block protrudes from the sliding frame to limit the material. A spring is provided between the bottom of the wedge block and the lower end of the guide rod.
[0006] Optionally, a through groove is provided between the upper and lower sliding grooves of the guide rail, and an adjusting screw is threadedly connected to the side of the sliding frame facing the guide rail. The adjusting screw slides through the through groove, and the large end of the adjusting screw abuts against the side wall of the guide rail to fix the sliding frame.
[0007] Optionally, a dual-axis motor is provided on the mounting base, and a lead screw is connected to the output shaft of the dual-axis motor. The lead screw is parallel to the mounting base and its threads pass through the guide rail.
[0008] Optionally, a side plate is installed on the side of the guide rail where the sliding frame is located, and the sliding frame is located between the guide rail and the side plate. The side plate is used to support the material.
[0009] Optionally, a limiting washer is fitted onto the adjusting screw, and the limiting washer is located between the large end of the adjusting screw and the side wall of the guide rail.
[0010] Optionally, a scale bar is provided on the top of the guide rail.
[0011] Optionally, a guide plate is provided at the end of the guide rail away from the mounting base.
[0012] Optionally, the top plane of the side plate and the top plane of the sliding frame are on the same horizontal plane.
[0013] The present invention has the following advantages: 1. When the material moves along the side plate and the sliding frame, the wedge block is pressed down. After the material enters the bending operation area, the spring causes the wedge block to automatically reset and abut against the side wall of the material, forming a dynamic limit, which effectively offsets the lateral impact force during bending and prevents the material from falling off or deviating.
[0014] 2. The sliding frame can flexibly adjust the spacing between adjacent sliding frames by adjusting the screw and the guide rail groove to meet the spacing requirements of different bending processes.
[0015] 3. The distance between the two guide rails is adjusted synchronously by a dual-axis motor driving the lead screw, which can quickly adapt to materials of different lengths without manual operation, significantly improving adjustment efficiency. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0017] Figure 2 This is a three-dimensional structural diagram of the mounting base and the components mounted thereon in this utility model.
[0018] Figure 3 This is a three-dimensional structural diagram of the guide rail, sliding frame, and adjusting screw components in this utility model.
[0019] Figure 4 This is a three-dimensional sectional view of the sliding frame of this utility model.
[0020] The meanings of the reference numerals in the figure are as follows: 1: Bending machine body, 2: Mounting base, 3: Guide rail, 31: Side plate, 32: Slide groove, 33: Through groove, 4: Dual-axis motor, 5: Lead screw, 6: Sliding frame, 7: Wedge block, 8: Guide rod, 9: Spring, 10: Adjusting screw, 11: Limit washer, 12: Scale strip, 13: Guide plate. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.
[0022] Example: A metalworking bending machine with positioning and anti-detachment function, such as... Figures 1-4As shown, the machine includes a bending machine body 1, a mounting base 2, guide rails 3, sliding frames 6, wedge blocks 7, guide rods 8, and springs 9. The bending operation area of the bending machine body 1 includes support components for supporting metal materials and pressing components for bending metal parts. A mounting base 2 is provided on the upper front side of the bending machine body 1. Two guide rails 3 are slidably mounted on the mounting base 2. Each of the two guide rails 3 has upper and lower parallel sliding grooves 32 on one side facing each other. Multiple sliding frames 6 are slidably connected to the upper and lower sliding grooves 32. The spacing between the sliding frames 6 can be flexibly adjusted by adjusting the spacing between adjacent sliding frames 6. The spacing between them is adapted to different bending spacing requirements (such as multiple bends or processing of irregular parts). The inner cavity of the sliding frame 6 is provided with a guide rod 8, and a wedge block 7 is slidably connected on the guide rod 8. The wedge block 7 protrudes from the sliding frame 6 to limit the material. A spring 9 is provided between the bottom of the wedge block 7 and the lower end of the guide rod 8. When the material is at the top of the sliding frame 6, the wedge block 7 is pressed and overcomes the elastic force of the spring 9 to move down along the guide rod 8. When it moves to the bending operation area of the bending machine body 1, the material no longer exerts a downward pressure on the wedge block 7. The wedge block 7 moves up and abuts against the front outer wall of the material, thereby limiting the material.
[0023] like Figure 3 As shown, a through groove 33 is provided between the upper and lower sliding grooves 32 of the guide rail 3. An adjusting screw 10 is threadedly connected to the side of the sliding frame 6 facing the guide rail 3. The adjusting screw 10 slides through the through groove 33. When the large end of the adjusting screw 10 abuts against the side wall of the guide rail 3, the sliding frame 6 is fixed. By cooperating with the adjusting screw 10 and the through groove 33, a single sliding frame 6 can be quickly fixed or moved to meet the asymmetric or local limiting requirements.
[0024] like Figure 2 As shown, a dual-axis motor 4 is installed on the mounting base 2. A lead screw 5 is connected to the output shaft of the dual-axis motor 4. The lead screw 5 is parallel to the mounting base 2 and its threads pass through the guide rail 3. The dual-axis motor 4 drives the lead screw 5 to rotate, thereby adjusting the distance between the two guide rails 3 to accommodate metal materials of different lengths.
[0025] like Figure 2 and Figure 3 As shown, a side plate 31 is installed on one side of the guide rail 3 where the sliding frame 6 is located. The sliding frame 6 is located between the guide rail 3 and the side plate 31. The side plate 31 is used to support the material. The top plane of the side plate 31 and the top plane of the sliding frame 6 are on the same horizontal plane, thereby ensuring horizontal support for the material and avoiding deformation caused by suspension when bending.
[0026] like Figure 3 and Figure 4As shown, a limiting washer 11 is fitted onto the adjusting screw 10. The limiting washer 11 is located between the large end of the adjusting screw 10 and the side wall of the guide rail 3, thereby increasing the frictional force at the contact point between the large end of the adjusting screw 10 and the guide rail 3, and ensuring the stability of the contact point between the adjusting screw 10 and the guide rail 3.
[0027] like Figure 3 As shown, a scale bar 12 is provided on the top of the guide rail 3, which ensures the accuracy of the displacement distance of the sliding frame 6.
[0028] like Figure 2 As shown, a guide plate 13 is provided at the end of the guide rail 3 away from the mounting base 2. The guide plate 13 helps to simplify the material alignment process and reduce the difficulty of operation.
[0029] In use, the distance between the two guide rails 3 is adjusted according to the length of the material. Specifically, the screw 5 is rotated by the dual-axis motor 4, which drives the two slide rails to move horizontally along the mounting base 2, thereby adjusting the distance between the two guide rails 3 to accommodate the length of the material. Then, the material is placed on the side plate 31 and the sliding frame 6 through the guide plate 13. The material is then moved horizontally so that its length moves along the side plate 31 and the sliding frame 6 towards the bending operation area of the bending machine body 1. When the material is at the top of the sliding frame 6, it applies a downward pressure force to the wedge block 7. The wedge block 7 moves downward along the guide rod 8 and causes the spring 9 to deform. When the material no longer presses down on the wedge block 7, the wedge block 7 returns to its original position under the action of the spring 9. Therefore, when the bent part of the material enters the bending operation area of the bending machine body 1, the wedge block 7 protrudes upward and abuts against the front outer wall of the material to form a limiting structure for the material. By adjusting the distance between the two adjacent sliding frames 6, bending operations with different spacing can be performed on the material.
[0030] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made to the present invention without departing from the principles and spirit of the present invention as defined by the claims. Therefore, the detailed description of the embodiments in this disclosure is for explanation only and not for limiting the present invention, but rather the scope of protection is defined by the content of the claims.
Claims
1. A bending machine for metal working with positioning anti-disengagement, comprising a bending machine body (1), characterized in that: It also includes a mounting base (2), guide rails (3), sliding frame (6), wedge block (7), guide rod (8) and spring (9). The upper part of one side of the bending machine body (1) is provided with a mounting base (2). Two guide rails (3) are slidably provided on the mounting base (2). The two guide rails (3) are provided with parallel upper and lower sliding grooves (32) on opposite sides. The upper and lower sliding grooves (32) are slidably connected to multiple sliding frames (6). The inner cavity of the sliding frame (6) is provided with a guide rod (8). The wedge block (7) is slidably connected on the guide rod (8). The wedge block (7) protrudes from the sliding frame (6) to limit the material. A spring (9) is provided between the bottom of the wedge block (7) and the lower end of the guide rod (8).
2. The bending machine for metal working according to claim 1, wherein: A through groove (33) is provided between the upper and lower sliding grooves (32) of the guide rail (3). An adjusting screw (10) is threadedly connected to the side of the sliding frame (6) facing the guide rail (3). The adjusting screw (10) slides through the through groove (33). When the large end of the adjusting screw (10) abuts against the side wall of the guide rail (3), the sliding frame (6) is fixed.
3. The bending machine according to claim 2, wherein: A dual-axis motor (4) is installed on the mounting base (2). A lead screw (5) is connected to the output shaft of the dual-axis motor (4). The lead screw (5) is parallel to the mounting base (2) and its thread passes through the guide rail (3).
4. The bending machine according to claim 3, wherein: A side plate (31) is installed on one side of the guide rail (3) where the sliding frame (6) is located. The sliding frame (6) is located between the guide rail (3) and the side plate (31). The side plate (31) is used to support the material.
5. The bending machine according to claim 4, wherein: A limiting washer (11) is fitted onto the adjusting screw (10), and the limiting washer (11) is located between the large end of the adjusting screw (10) and the side wall of the guide rail (3).
6. The bending machine according to claim 5, wherein: A scale bar (12) is provided on the top of the guide rail (3).
7. The bending machine according to claim 6, wherein: A guide plate (13) is provided at the end of the guide rail (3) away from the mounting base (2).
8. The bending machine according to claim 7, wherein: The top plane of the side plate (31) and the top plane of the sliding frame (6) are on the same horizontal plane.