Limiting mechanism for bending machining of sheet metal parts

Abstract

The utility model relates to the technical field of sheet metal part processing, and discloses a limiting mechanism for sheet metal part bending processing, which comprises a support frame, the left side and the right side of the support frame are respectively provided with a limiting component, and each limiting component comprises a translation component and a positioning component. According to the bending device, the defects in the prior art are overcome, when the sheet metal part is bent, a worker does not need to press the sheet metal part by hand to limit the sheet metal part, the left side and the right side of the sheet metal part can abut against the extending strip through the arrangement of the rotating plate and the extending strip on the positioning component, the stability of the sheet metal part is guaranteed, and the working efficiency is improved. According to the sheet metal part bending device, the sheet metal part bending treatment effect is improved, great convenience is also brought to operation of workers, in addition, through arrangement of the translation component, the positions of the rotating plate and the extending strip can be horizontally adjusted, therefore, bending of different sheet metal parts can be achieved, and the diversified requirements of the workers are met.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, and more specifically to a limiting mechanism for bending sheet metal parts. Background Art

[0002] Sheet metal fabrication is a comprehensive cold working process for thin metal sheets, primarily involving shearing, punching / cutting / combining, folding, riveting, splicing, and forming. It is commonly used in the processing and manufacturing of sheet metal. This process is suitable for sheet metal thicknesses, typically under 6mm, and its notable characteristic is the consistent thickness of the entire part. Sheet metal fabrication is widely used in various fields, including but not limited to automotive manufacturing, aerospace, construction, medical devices, and household appliances. By utilizing cutting, stamping, bending, welding, riveting, and surface treatment techniques, complex shapes and structures can be created to meet various design and functional requirements.

[0003] Deficiencies of the existing technology: Under the existing technology, when bending sheet metal parts, extrusion molding is usually used. The specific operation is to use a bending tool to press the sheet metal part into the bending groove to achieve bending. However, in this process, the staff needs to press the sheet metal part by hand to limit the sheet metal frame. The manual pressing method has poor stability and accuracy, which will affect the effect of the bending process, and the operation is also more troublesome, which brings inconvenience to the staff. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a limiting mechanism for bending sheet metal parts to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a limiting mechanism for sheet metal bending processing, comprising a support frame, wherein a limiting component is respectively provided on the left and right sides of the support frame, and the limiting component comprises a translation component and a positioning component.

[0006] The translation member includes a mounting shell, a threaded rod and a guide rod are mounted inside the mounting shell, and a moving plate is mounted between the threaded rod and the guide rod.

[0007] The positioning component includes a fixing rod, the bottom end of which is fixedly connected to the top of the moving plate, the top end of which is provided with a through-hole, a rotating plate is installed in the through-hole, and the top of the rotating plate is fixedly connected with an extension bar.

[0008] Preferably, a rotating shaft is provided in the penetration opening, the rotating plate is fixedly mounted on the surface of the rotating shaft, connecting frames are rotatably mounted at both ends of the rotating shaft, and the connecting frames are fixedly connected to the fixing rod.

[0009] Preferably, the rotating shaft surface is sleeved with a coil spring, one end of the coil spring is fixedly connected with the rotating shaft surface, and the other end of the coil spring is fixedly connected with the connecting frame.

[0010] Preferably, two guide rods are symmetrically arranged in each mounting shell, both ends of the guide rods are fixedly connected with the inner wall of the mounting shell, the inner part of the moving plate is slidably connected with the surface of the guide rod, one end of the threaded rod penetrates the inner wall of the mounting shell and extends outward, the other end of the threaded rod is rotatably connected with the inner wall of the mounting shell, and the inner part of the moving plate is threadedly connected with the surface of the threaded rod.

[0011] Preferably, the mounting shell is fixedly connected with a closing cover at the top, the closing cover is provided with an avoiding opening penetratingly formed thereon, and the fixing rod penetrates the avoiding opening and extends upward.

[0012] Preferably, the closing cover is fixedly connected with a receiving frame at the top, the receiving frame is rotatably installed with a transmission rod, the bottom end of the transmission rod is fixedly connected with a first bevel gear, the top end of the transmission rod is fixedly connected with a rotating handle, one end of the threaded rod is fixedly connected with a second bevel gear, and the first bevel gear is meshedly connected with the second bevel gear.

[0013] Preferably, the supporting frame is provided with a bending groove at the top.

[0014] The technical effects and advantages of the present application are as follows:

[0015] The present application solves the problems of the prior art. When the sheet metal part is bent, the worker does not need to press the sheet metal part to limit it. The setting of the rotating plate and the extension bar on the positioning member makes the left and right sides of the sheet metal part abut against the extension bar, ensuring the stability of the sheet metal part and improving the bending effect of the sheet metal part. The horizontal adjustment of the position of the rotating plate and the extension bar through the translation member can realize the bending of different sheet metal parts and meet the diversified needs of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The present application is a schematic diagram of the overall structure.

[0017] Figure 2 The present application is a schematic diagram of the limiting assembly structure.

[0018] Figure 3 The present application is a schematic diagram of the positioning member structure.

[0019] Figure 4 The present application is a schematic diagram of the internal structure of the mounting shell.

[0020] The figure marks are: 1, support frame; 11, bending groove; 2, limiting assembly; 21, translation component; 211, mounting shell; 212, threaded rod; 213, movement plate; 214, guide rod; 215, closed cover; 216, receiving frame; 217, transmission rod; 218, first bevel gear; 219, second bevel gear; 22, positioning component; 221, fixed rod; 222, through hole; 223, rotating plate; 224, extension bar; 225, rotating shaft; 226, connecting frame; 227, coil spring. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the forms of each structure recorded in the following implementation manners are only examples, and the limiting mechanism for sheet metal part bending processing involved by the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative labor belong to the protection range of the utility model.

[0022] The utility model provides a kind of limiting mechanism for sheet metal part bending processing, including support frame 1, support frame 1 left and right sides each are provided with one limiting assembly 2, limiting assembly 2 includes translation component 21 and positioning component 22.

[0023] Translation component 21 includes mounting shell 211, threaded rod 212 and guide rod 214 are installed in mounting shell 211, and movement plate 213 is installed between threaded rod 212 and guide rod 214.

[0024] Positioning component 22 includes fixed rod 221, and the bottom end of fixed rod 221 is fixedly connected with the top of movement plate 213, and through hole 222 is formed in the top end of fixed rod 221, and rotating plate 223 is installed in through hole 222, and extension bar 224 is fixedly connected to the top of rotating plate 223.

[0025] Further, rotating shaft 225 is arranged in through hole 222, rotating plate 223 is fixedly installed on the surface of rotating shaft 225, connecting frame 226 is rotatably installed at both ends of rotating shaft 225, connecting frame 226 is fixedly connected between fixed rod 221, coil spring 227 is sleeved on the surface of rotating shaft 225, one end of coil spring 227 is fixedly connected with the surface of rotating shaft 225, and the other end of coil spring 227 is fixedly connected with connecting frame 226, when rotating plate 223 rotates upwards around the axis of rotating shaft 225, coil spring 227 shrinks and the elastic force increases, and the elastic force of coil spring 227 can drive rotating plate 223 to rotate downwards around the axis of rotating shaft 225 and return to initial position.

[0026] Further, two guide rods 214 are symmetrically arranged in each mounting shell 211, and the two ends of the guide rods 214 are fixedly connected with the inner wall of the mounting shell 211; the inner part of the moving plate 213 is in sliding connection with the surface of the guide rod 214; one end of the threaded rod 212 penetrates through the inner wall of the mounting shell 211 and extends outward; the other end of the threaded rod 212 is in rotational connection with the inner wall of the mounting shell 211; the inner part of the moving plate 213 is in threaded connection with the surface of the threaded rod 212; when the threaded rod 212 rotates around its own axis, the moving plate 213 can slide along the guide rod 214; and the moving plate 213 and the guide rod 214 form a sliding guide fit along the axis direction of the guide rod 214.

[0027] Further, the closed cover 215 is fixedly connected with the top of the mounting shell 211, the closed cover 215 is provided with an avoiding opening penetratingly arranged thereon, the fixed rod 221 penetrates through the avoiding opening and extends upward, the fixed rod 221 can slide along the avoiding opening, the closed cover 215 is fixedly connected with the top of the receiving frame 216, the receiving frame 216 is rotatably connected with the transmission rod 217, the receiving frame 216 is used for supporting the transmission rod 217, the first bevel gear 218 is fixedly connected with the bottom end of the transmission rod 217, the rotating handle is fixedly connected with the top end of the transmission rod 217, the second bevel gear 219 is fixedly connected with one end of the threaded rod 212, the first bevel gear 218 is in meshing connection with the second bevel gear 219, the rotating handle can be manually rotated to make the transmission rod 217 rotate around its own axis, and the first bevel gear 218 and the second bevel gear 219 can transmit the rotating force of the transmission rod 217 to the threaded rod 212.

[0028] Further, the bending groove 11 is arranged at the top of the supporting frame 1, when the metal plate is placed on the top of the supporting frame 1, the bending tool vertically downwardly extrudes the metal plate and enters the bending groove 11, that is, the metal plate is bent into a V shape,

[0029] The working principle of the utility model is as follows: in actual work, the staff places the metal plate on the top of the supporting frame 1, manually rotates the rotating handle to make the transmission rod 217 rotate around its own axis, the transmission rod 217 rotates and drives the threaded rod 212 to synchronously rotate around its own axis through the first bevel gear 218 and the second bevel gear 219, the threaded rod 212 rotates and drives the moving plate 213 to synchronously slide along the guide rod 214, the moving plate 213 moves and drives the fixed rod 221 to synchronously move along the avoiding hole towards the supporting frame 1, the positioning component 22 synchronously moves as a whole, so that the left and right sides of the metal plate abut against the extension strip 224, and the metal plate is limited.

[0030] The bending tool is vertically downward extruded to the sheet metal part and enters the bending groove 11, so as to bend the sheet metal part into V shape, in the process, the rotating plate 223 and the extension strip 224 are firstly rotated upward around the axis of the rotating shaft 225 under the pushing of the sheet metal part, the coil spring 227 is contracted and the elastic force is increased, then the sheet metal part leaves the rotating plate 223 and the extension strip 224, the elastic force of the coil spring 227 drives the rotating plate 223 and the extension strip 224 to rotate downward around the axis of the rotating shaft 225 and return to the initial position.

[0031] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0032] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0033] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A limiting mechanism for sheet metal bending processing, comprising a support frame (1), characterized in that: A limit assembly (2) is provided on each of the left and right sides of the support frame (1), and the limit assembly (2) comprises a translation member (21) and a positioning member (22); The translation member (21) comprises a mounting shell (211), a threaded rod (212) and a guide rod (214) are mounted inside the mounting shell (211), and a moving plate (213) is mounted between the threaded rod (212) and the guide rod (214); The positioning member (22) comprises a fixing rod (221), the bottom end of the fixing rod (221) is fixedly connected to the top of the moving plate (213), the top end of the fixing rod (221) is provided with a through-hole (222), a rotating plate (223) is installed in the through-hole (222), and the top of the rotating plate (223) is fixedly connected to an extension bar (224).

2. A limiting mechanism for sheet metal bending according to claim 1, characterized in that: A rotating shaft (225) is provided in the penetration opening (222), the rotating plate (223) is fixedly mounted on the surface of the rotating shaft (225), connecting frames (226) are rotatably mounted on both ends of the rotating shaft (225), and the connecting frames (226) are fixedly connected to the fixing rod (221).

3. A limiting mechanism for sheet metal bending according to claim 2, characterized in that: A coil spring (227) is sleeved on the surface of the rotating shaft (225), one end of the coil spring (227) is fixedly connected to the surface of the rotating shaft (225), and the other end of the coil spring (227) is fixedly connected to the connecting frame (226).

4. The limiting mechanism for sheet metal bending according to claim 1, characterized in that: Two guide rods (214) are symmetrically arranged in each mounting shell (211), both ends of the guide rods (214) are fixedly connected to the inner wall of the mounting shell (211), the interior of the motion plate (213) is slidably connected to the surface of the guide rods (214), one end of the threaded rod (212) passes through the inner wall of the mounting shell (211) and extends outward, the other end of the threaded rod (212) is rotatably connected to the inner wall of the mounting shell (211), and the interior of the motion plate (213) is threadedly connected to the surface of the threaded rod (212).

5. The limiting mechanism for sheet metal bending according to claim 1, characterized in that: A closing cover (215) is fixedly connected to the top of the installation shell (211), a clearance opening is formed through the closing cover (215), and the fixing rod (221) passes through the clearance opening and extends upward.

6. A limiting mechanism for sheet metal bending according to claim 5, characterized in that: The top of the closing cover (215) is fixedly connected to a receiving frame (216), a transmission rod (217) is rotatably mounted on the receiving frame (216), the bottom end of the transmission rod (217) is fixedly connected to a first bevel gear (218), the top end of the transmission rod (217) is fixedly connected to a rotating handle, one end of the threaded rod (212) is fixedly connected to a second bevel gear (219), and the first bevel gear (218) is meshed with the second bevel gear (219).

7. The limiting mechanism for sheet metal bending according to claim 1, characterized in that: A bending groove (11) is provided on the top of the support frame (1).

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