Machining clamp capable of preventing accidental loosening
By designing clamping components and limiting blocks in the machining fixtures, using servo motors and gear systems to achieve stable limiting clamping of the workpieces, the problem of insufficient anti-unexpected loosening of existing machining fixtures is solved, and the problem of insufficient anti-unexpected loosening of existing machining fixtures is improved. Stability and quality of the processing process.
Patent Information
- Application Number
- CN202420416416.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-03-05
AI Technical Summary
Existing mechanical machining fixtures do not consider enough in terms of preventing accidental loosening structures, which may cause accidental loosening when clamping the workpiece, affecting the quality of the workpiece and the convenience of use.
A mechanical machining fixture including a fixture body, a lifting rod and a vertical plate is designed. By setting a clamping assembly above the support table, using components such as servo motors, gears and limiting blocks to achieve stable limit clamping of the workpiece. , avoid loosening.
It effectively prevents unexpected loosening of workpieces, improves the stability and convenience of use of mechanical processing fixtures, and ensures the quality of workpieces and the safety of processing processes.
Smart Images

Figure CN222449301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mechanical processing fixtures, in particular to a mechanical processing fixture which can prevent accidental loosening. Background Art
[0002] Machining refers to the process of changing the shape, size or performance of a workpiece through a mechanical device. A fixture refers to a device used to fix the object to be processed during the mechanical manufacturing process so that it occupies the correct position for construction or inspection.
[0003] However, the current machining fixtures still have some shortcomings. For example, a machining fixture with application number 202320698004.6 has not yet fully considered the anti-accidental loosening structure of the machining fixture. In the process of using the machining fixture to clamp the workpiece, if the machining fixture does not fully consider the anti-accidental loosening structure, accidental loosening may occur when clamping the workpiece, thereby affecting the quality of the workpiece and making it inconvenient for the staff to use the machining fixture.
[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and shortcomings, and provides a mechanical processing fixture that prevents accidental loosening. Utility Model Content
[0005] The utility model aims to provide a mechanical processing fixture which can prevent accidental loosening, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical processing fixture for preventing accidental loosening, comprising a fixture body, a lifting rod and a vertical plate, a support column is arranged at the bottom of the fixture body, and the top of the support column is fixedly connected to a support platform, and a hollow rod is arranged at the center of the support platform, the lifting rod is movably connected inside the hollow rod, and a fixed plate is arranged above the lifting rod, and a limiting block is arranged above the fixed plate, and a clamping block is clamped and connected between the limiting blocks, and a limiting support plate is welded on one side of the clamping block, the vertical plate is fixedly connected to both sides above the support platform, and a clamping assembly is arranged on one side of the vertical plate, and the clamping assembly comprises a servo motor, a rotating rod, a driving gear, a driven gear, a fixed rod, a hollow slide plate, a limiting hollow plate and a clamping rod.
[0007] Furthermore, the output shaft of the servo motor is fixedly connected to a rotating rod through a coupling, and the outer wall of the rotating rod is fixedly connected to a driving gear, and the upper part of the driving gear is meshingly and rotatably connected to a driven gear, and the center of the driven gear is rotatably connected to a fixed rod, and both ends of the fixed rod are fixedly connected to the inside of the vertical plate.
[0008] Furthermore, the sides of the driving gear and the driven gear are meshed and rotatably connected with hollow slides, and a limiting hollow plate is welded to the side of the hollow slide, and a square hole is opened on the front side of the limiting hollow plate, and the limiting hollow plate is movably connected with a locking rod through the square hole.
[0009] Furthermore, the upper and lower surfaces of the hollow slide are provided with engaging grooves, and the vertical plate is slidably connected to the hollow slide through the engaging grooves, and the servo motor is arranged on the front side of the vertical plate, and the limiting hollow plate is engaged with the engaging block.
[0010] The utility model provides a mechanical processing fixture that prevents accidental loosening, which has the following beneficial effects:
[0011] The utility model is provided with a limited support plate and a clamping assembly, and the clamping assemblies are arranged on both sides above the support platform, and a clamping block welded on one side of the limited support plate is used to clamp and insert it into the limited hollow plate in the clamping assembly, and a clamping rod is used to insert it into a clamping groove provided on the front side surface of the limited hollow plate, so as to fix the limited support plate, and then, a servo motor is used to drive the rotating rod to rotate, so that the driving gear fixedly connected to the outer wall of the rotating rod drives the driven gear meshing and rotatingly connected above it to rotate, so that the hollow slide plate moves left and right under the meshing rotation of the driving gear and the driven gear, and the upper and lower surfaces of the hollow slide plate are opened. A locking groove is provided to enable the hollow slide plate to be locked and slidably connected with the vertical plate. In addition, the position of the lifting rod in the hollow rod is adjusted so that the limit support plate above the lifting rod is locked and connected with the limit block to provide limit support for the workpiece. The improved device utilizes the limit support plate and the clamping assembly to enable the machining fixture to achieve the purpose of limiting and preventing falling off. In the process of machining the workpiece using the machining fixture, the workpiece is stably clamped to avoid accidental loosening, making the connection between the structures tighter, the overall structure more stable, providing a certain protection for the workpiece, and facilitating the use of the machining fixture by the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a front cross-sectional structural schematic diagram of a mechanical processing fixture for preventing accidental loosening according to the utility model;
[0013] Figure 2 The utility model is a mechanical processing fixture for preventing accidental loosening. Figure 1 A schematic diagram of the structure enlargement in the middle;
[0014] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of a clamping block-clamping assembly of a mechanical processing fixture for preventing accidental loosening.
[0015] In the figure: 1. clamp body; 2. support column; 3. support platform; 4. hollow rod; 5. lifting rod; 6. fixed plate; 7. limit block; 8. engaging block; 9. limit support plate; 10. vertical plate; 11. clamping assembly; 1101. servo motor; 1102. rotating rod; 1103. driving gear; 1104. driven gear; 1105. fixed rod; 1106. hollow slide; 1107. limit hollow plate; 1108. engaging rod. DETAILED DESCRIPTION
[0016] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0017] like Figure 1-Figure 3As shown, a mechanical processing fixture for preventing accidental loosening includes a fixture body 1, a lifting rod 5 and a vertical plate 10. A support column 2 is arranged at the bottom of the fixture body 1, and a support platform 3 is fixedly connected to the top of the support column 2, and a hollow rod 4 is arranged at the center of the support platform 3. The lifting rod 5 is movably connected inside the hollow rod 4, and a fixed plate 6 is arranged above the lifting rod 5, and a limited position clamping block 7 is arranged above the fixed plate 6, and a clamping block 8 is clamped and connected between the limited position clamping blocks 7, and a limited position support plate 9 is welded to one side of the clamping block 8. The vertical plate 10 is fixedly connected to both sides above the support platform 3, and a clamping assembly 11 is provided on one side of the vertical plate 10, and the clamping assembly 11 includes a servo motor 1101, a rotating rod 1102, a driving gear 1103, a driven gear 1104, a fixed rod 1105, a hollow slide 1106, a limit hollow plate 1107 and a clamping rod 1108, the output shaft of the servo motor 1101 is fixedly connected to the rotating rod 1102 through a coupling, and the outer wall of the rotating rod 1102 is fixedly connected to the driving gear 1103, and the driving gear The upper part of the wheel 1103 is meshed and rotatably connected with a driven gear 1104, and the center of the driven gear 1104 is rotatably connected with a fixed rod 1105, and the two ends of the fixed rod 1105 are fixedly connected to the inside of the vertical plate 10, and the sides of the driving gear 1103 and the driven gear 1104 are meshed and rotatably connected with a hollow slide 1106, and the side of the hollow slide 1106 is welded with a limited hollow plate 1107, and a square hole is opened on the front side of the limited hollow plate 1107, and the limited hollow plate 1107 passes through the square hole. There is a locking rod 1108 in a movable connection, and locking grooves are provided on the upper and lower surfaces of the hollow slide 1106. The vertical plate 10 is slidably connected to the hollow slide 1106 through the locking grooves, and the servo motor 1101 is arranged on the front side of the vertical plate 10, and the limiting hollow plate 1107 is locked and connected to the locking block 8 to stably clamp the workpiece to avoid accidental loosening, so that the connection between the structures is tighter, the overall structure is more stable, the workpiece is protected to a certain extent, and the staff is convenient for using the machining fixture.
[0018] In summary, the mechanical processing fixture for preventing accidental loosening is based on Figure 1-Figure 3In the structure shown in the figure, in the process of machining the workpiece with a machining fixture, first, the clamping block 8 welded on one side of the limit support plate 9 is used to clamp and insert it into the limit hollow plate 1107 in the clamping assembly 11, and the clamping rod 1108 is inserted into the clamping groove provided on the front surface of the limit hollow plate 1107, so as to fix the limit support plate 9, and then, the servo motor 1101 is used to drive the rotating rod 1102 to rotate, so that the driving gear 1103 fixedly connected to the outer wall of the rotating rod 1102 drives the driven gear 1104 meshing and rotatingly connected above it to rotate. The hollow slide 1106 is moved left and right under the meshing rotation of the driving gear 1103 and the driven gear 1104, and the upper and lower surfaces of the hollow slide 1106 are provided with engaging grooves, so that the hollow slide 1106 is engaged and slidably connected with the vertical plate 10. In addition, the position of the lifting rod 5 in the hollow rod 4 is adjusted so that the limiting support plate 9 above the lifting rod 5, which is engaged with the limiting block 7 through the engaging block 8, supports the workpiece in a limited manner, thereby avoiding accidental loosening of the workpiece, improving the stability of the machining fixture during use, and facilitating the use of the machining fixture by the staff.
[0019] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A mechanical processing fixture for preventing accidental loosening, comprising a fixture body (1), a lifting rod (5) and a vertical plate (10), characterized in that: A support column (2) is provided at the bottom of the clamp body (1), and a support platform (3) is fixedly connected to the top of the support column (2), and a hollow rod (4) is provided at the center of the support platform (3), the lifting rod (5) is movably connected inside the hollow rod (4), and a fixed plate (6) is provided above the lifting rod (5), and a limit block (7) is provided above the fixed plate (6), and a clamping block (8) is clamped and connected between the limit blocks (7), and the clamping block (8) ) is welded to one side of a limit support plate (9), the vertical plate (10) is fixedly connected to both sides above the support platform (3), and a clamping assembly (11) is provided on one side of the vertical plate (10), and the clamping assembly (11) includes a servo motor (1101), a rotating rod (1102), a driving gear (1103), a driven gear (1104), a fixing rod (1105), a hollow slide plate (1106), a limit hollow plate (1107) and a locking rod (1108).
2. A mechanical processing fixture for preventing accidental loosening according to claim 1, characterized in that: The output shaft of the servo motor (1101) is fixedly connected to a rotating rod (1102) via a coupling, and the outer wall of the rotating rod (1102) is fixedly connected to a driving gear (1103), and the upper part of the driving gear (1103) is meshed and rotatably connected to a driven gear (1104), and the center of the driven gear (1104) is rotatably connected to a fixed rod (1105), and both ends of the fixed rod (1105) are fixedly connected to the inside of the vertical plate (10).
3. The mechanical processing fixture for preventing accidental loosening according to claim 1, characterized in that: The sides of the driving gear (1103) and the driven gear (1104) are both meshed and rotatably connected with a hollow slide plate (1106), and a limiting hollow plate (1107) is welded to the side of the hollow slide plate (1106), and a square hole is opened on the front side of the limiting hollow plate (1107), and the limiting hollow plate (1107) is movably connected with a locking rod (1108) through the square hole.
4. The mechanical processing fixture for preventing accidental loosening according to claim 1, characterized in that: The upper and lower surfaces of the hollow slide plate (1106) are provided with engaging grooves, and the vertical plate (10) is engaged and slidably connected with the hollow slide plate (1106) through the engaging grooves, and the servo motor (1101) is arranged on the front side of the vertical plate (10), and the limiting hollow plate (1107) is engaged and connected with the engaging block (8).
Citation Information
Patent Citations
Clamp for machining
CN219787947U
Cited By
Machining clamp capable of preventing accidental loosening
CN224575155U