End cover machining clamp

Abstract

The utility model discloses an end cover processing clamp, and relates to the technical field of end cover processing, the end cover processing clamp comprises a top plate, the top plate is provided with a plurality of chutes at equal intervals, the chutes are internally provided with clamping blocks through sliding mechanisms, the side surfaces of the clamping blocks are fixedly connected with trapezoidal blocks, the side surfaces of the trapezoidal blocks are fixedly connected with two frames, and the two frames are fixedly connected with the top plate. A plurality of arc-shaped blocks with different sizes are arranged in the frame in a sliding mode, the large-size arc-shaped blocks are installed on the surfaces of the arc-shaped blocks, the two medium-size arc-shaped blocks are installed on the surfaces of the large-size arc-shaped blocks, and the two small-size arc-shaped blocks are installed on the surfaces of the medium-size arc-shaped blocks. The arc-shaped block slides in the previous arc-shaped block or the frame through the T-shaped sliding block, clamping can be carried out according to the radian of the outer surface of a product, and the unforeseen circumstances that the clamping effect is poor due to the fact that the number of acting points of a traditional clamp is small, and loosening possibly occurs in the machining process are avoided.

Description

Technical Field

[0001] This utility model relates to the field of end cap processing technology, specifically to an end cap processing fixture. Background Technology

[0002] End caps are covers installed on the housings of motors, cylinders, hydraulic cylinders, oil cylinders, etc. The quality of end caps directly affects the quality of related components, so the processing of end caps is extremely important. During the processing of end caps, they need to be fixed to prevent them from moving during processing.

[0003] Authorization announcement number CN217596523U discloses a machine tool fixture for an automated end cap machining line, including a worktable. A support frame is fixedly connected to the lower end of the worktable. Multiple cross-shaped slots are evenly spaced on the worktable. Four fixed plates are mounted in each of two cross-shaped slots via sliding mechanisms. The lower ends of the four fixed plates are hinged to hinge rods. Moving columns are hinged to the four hinge rods. Lifting mechanisms are mounted on each of the moving columns, and these lifting mechanisms are connected to each other via a transmission mechanism. This invention allows for the simultaneous fixing of multiple end caps, which helps save processing time and accelerate the processing progress.

[0004] In the above scheme, when the clamping device clamps the disc-shaped motor end cover, the positioning clamps fix the motor end cover from four points, which can easily cause the motor end cover to shift during the processing. This cannot meet the requirements of multi-point fixing and clamping, thereby reducing the clamping effect of the motor end cover. Utility Model Content

[0005] The purpose of this utility model is to provide an end cap processing fixture to solve the technical problem of end cap clamping effect in the prior art.

[0006] The technical problem to be solved by this utility model can be achieved through the following technical solution:

[0007] A clamping fixture for processing end caps includes a top plate and a threaded sleeve. A support frame is fixedly connected to the lower end of the top plate. Several sliding grooves are evenly spaced on the top plate, with three grooves arranged circumferentially. A clamping block is installed in each groove via a sliding mechanism. A hinge rod is hinged to the lower end of each clamping block, and the other end of each hinge rod is hinged to the threaded sleeve. A lifting mechanism is installed on each threaded sleeve, and the lifting mechanisms are connected to each other via a transmission mechanism. A trapezoidal block is fixedly connected to the side of each clamping block, and two frames are fixedly connected to the side of each trapezoidal block. Multiple arc-shaped blocks of different sizes are slidably arranged inside each frame. The largest arc-shaped block is located on the entire surface of all the arc-shaped blocks, two medium-sized arc-shaped blocks are installed on the surface of the large arc-shaped block, and two small arc-shaped blocks are installed on the surface of the medium-sized arc-shaped block. Multiple T-shaped sliders are arranged between the arc-shaped blocks of different sizes and the frames. A snap-fit ​​assembly is also provided between the clamping block and the top plate.

[0008] As a further embodiment of this utility model: the lifting mechanism includes a screw, the screw sleeve has a threaded hole inside, and the screw sleeve is threadedly connected to the screw hole.

[0009] As a further embodiment of this utility model: the transmission mechanism includes a motor, a fixed frame, a synchronous belt and a synchronous pulley. The fixed frame is fixedly connected to the support frame, the motor is mounted on the fixed frame, and the screws are all rotatably connected to the fixed frame through bearings. The output shaft of the motor is fixedly connected to one of the screws, and a synchronous pulley is fixedly connected to each screw. A synchronous belt is sleeved between two adjacent synchronous pulleys.

[0010] As a further embodiment of this utility model: the sliding mechanism includes two limiting grooves, which are respectively provided on both sides of the clamping block, and the clamping block is slidably connected to the corresponding sliding groove through the limiting groove.

[0011] As a further embodiment of this utility model: the snap-fit ​​assembly includes a three-pronged rod, the three rods of the three-pronged rod are arranged in corresponding sliding grooves, the top of the three-pronged rod has a number of grooves distributed along the width direction of its rod body, the clamping block has a through hole, the through hole is provided with a corresponding protrusion on the side of the three-pronged rod, the grooves correspond to the protrusions, and an electromagnetic telescopic rod for driving the three-pronged rod to move up and down is also fixed on the top plate.

[0012] As a further embodiment of this utility model, rubber pads are provided on the side of the smaller arc-shaped block away from the frame.

[0013] The beneficial effects of this utility model are:

[0014] 1. The lifting mechanism in this utility model starts and drives the clamping block to slide towards the center point. The clamping block drives the trapezoidal block to slide, the trapezoidal block drives the two frames to slide, the frames drive the arc block to slide, and the arc block slides inside the upper arc block or frame through the T-shaped slider. It can clamp according to the curvature of the product's surface, which solves the problem that the traditional clamping fixture cannot adjust the force point according to the change of the end plate size, or the force point becomes less after adjustment, resulting in poor clamping effect and possible loosening during processing.

[0015] 2. Before processing after clamping, this utility model activates the electromagnetic telescopic rod to move the three-pronged rod towards the protrusion, and the groove engages with the protrusion, which can fix the three clamping blocks at the same time and prevent loosening during use. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the unit clamping structure of this utility model;

[0019] Figure 3 For the present utility model Figure 2 A cross-sectional view along the AA direction;

[0020] Figure 4 This is a schematic diagram of the structure of the slider and the arc block of this utility model used in conjunction;

[0021] Figure 5 This is a schematic diagram of the three-pronged lever of this utility model.

[0022] In the diagram: 1. Top plate; 2. Support frame; 21. Fixing frame; 22. Screw; 23. Screw sleeve; 24. Hinge rod; 25. Synchronous pulley; 26. Synchronous belt; 27. Motor; 3. Slide groove; 4. Clamping block; 41. Trapezoidal block; 42. Frame; 43. Arc-shaped block; 44. Rubber pad; 45. Limiting groove; 46. Through hole; 5. Trident rod; 51. Groove; 52. Electromagnetic telescopic rod. Detailed Implementation

[0023] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-5 As shown, an end cap processing fixture includes a top plate 1 and a threaded sleeve 23. A support frame 2 is fixedly connected to the lower end of the top plate 1. Several sliding grooves 3 are evenly spaced on the top plate 1, with three sliding grooves 3 arranged circumferentially. Each sliding groove 3 contains a clamping block 4 arranged through a sliding mechanism. Each group of three clamping blocks 4 is used to clamp the end cap. The lower end of each clamping block 4 is hinged to a hinge rod 24, and the other end of each hinge rod 24 is hinged to the outer wall of the threaded sleeve 23. Each threaded sleeve 23 is equipped with a lifting mechanism, which is connected to each other through a transmission mechanism. A trapezoidal block 41 is fixedly connected to the side of each clamping block 4 near the center point of three clamping blocks 4. The trapezoidal block 41 is an isosceles trapezoid. Two frames 42 are fixedly connected to the side of each trapezoidal block 41. Each frame 42 contains multiple arc-shaped blocks 43 of different sizes. The largest arc-shaped block 43 is located on the entire surface of all the arc-shaped blocks 43, and two medium-sized arc-shaped blocks 43 are mounted on the surface of the largest arc-shaped block 43. On the surface of block 43, two small arc-shaped blocks 43 are installed on the surface of medium-sized arc-shaped block 43. Multiple T-shaped sliders are set between the arc-shaped blocks 43 of different sizes and the frame 42. The multiple arc-shaped blocks 43 and the frame 42 rotate with each other through a rotating component. A snap-fit ​​component is also set between the clamping block 4 and the top plate 1. When the end cap is placed between the three clamping blocks 4 on the top of the top plate 1, the lifting mechanism starts and drives the clamping block 4 to slide towards the center point. The clamping block 4 drives the trapezoidal block 41 to slide. The trapezoidal block 41 drives the two frames 42 to slide. The frames 42 drive the arc-shaped blocks 43 to slide. The arc-shaped blocks 43 slide inside the previous arc-shaped block 43 or the frame 42 through the T-shaped slider. It can clamp according to the curvature of the product's surface. This solves the problem that the traditional clamping fixture cannot adjust the force point according to the change of the end plate size, or the force point becomes less after adjustment, resulting in poor clamping effect and possible loosening during processing.

[0025] In some specific implementation plans, such as Figure 1 As shown, in order to facilitate the lifting and lowering of the screw sleeve 23, the lifting mechanism includes a screw 22. The screw sleeve 23 has a threaded hole inside. The screw sleeve 23 is threadedly connected to the hole of the screw 22. The rotation of the screw 22 can drive the screw sleeve 23 to move up and down.

[0026] In some specific implementation plans, such as Figure 1As shown, in order to facilitate the simultaneous fixing of multiple end caps, the transmission mechanism includes a motor 27, a fixing frame 21, a synchronous belt 26, and a synchronous pulley 25. The fixing frame 21 is fixedly connected to the support frame 2. The motor 27 is mounted on the fixing frame 21. The screws 22 are all rotatably connected to the fixing frame 21 through bearings. The output shaft of the motor 27 is fixedly connected to one of the screws 22. A synchronous pulley 25 is fixedly connected to each screw 22. A synchronous belt 26 is sleeved between two adjacent synchronous pulleys 25. The design of the synchronous pulley 25 and the synchronous belt 26 is to play a transmission role, so that multiple screws 22 can rotate simultaneously, and multiple end caps can be fixed and loosened simultaneously.

[0027] In some specific implementations, in order to facilitate the limiting of the clamping block 4, the sliding mechanism includes a limiting groove 45. There are two limiting grooves 45, which are fixedly disposed on both sides of the clamping block 4. The clamping block 4 is slidably connected to the corresponding sliding groove 3 through the limiting groove 45.

[0028] In some specific implementation plans, such as Figure 3 or Figure 5 As shown, to prevent the clamping blocks 4 from loosening during processing, the clamping assembly includes a three-pronged rod 5. The three rods of the three-pronged rod 5 are set in corresponding sliding grooves 3. Several grooves 51 are distributed along the width of the rod at the top of the three-pronged rod 5. Each clamping block 4 has a through hole 46. A corresponding protrusion is set on the side of the through hole 46 near the three-pronged rod 5. The grooves 51 correspond to the protrusions. An electromagnetic telescopic rod 52 that drives the three-pronged rod 5 to move up and down is also fixed on the top plate 1. After clamping but before processing, the electromagnetic telescopic rod 52 is activated to drive the three-pronged rod 5 to move towards the protrusion. The grooves 51 engage with the protrusions, which can fix the three clamping blocks 4 at the same time and prevent them from loosening during use.

[0029] In some specific implementation plans, such as Figure 4 As shown, in order to prevent the arc-shaped block 43 from scratching the edge of the end cap, the smaller arc-shaped block 43 is provided with a rubber pad 44 on the side away from the frame 42 to protect the end cap.

[0030] To facilitate understanding of the embodiments of this solution by those skilled in the art, the working principle of this solution will now be briefly explained in conjunction with specific application scenarios:

[0031] The lifting mechanism starts and drives the clamping block 4 to slide towards the center point. The clamping block 4 drives the trapezoidal block 41 to slide, the trapezoidal block 41 drives the two frames 42 to slide, the frames 42 drive the arc block 43 to slide, and the arc block 43 slides inside the previous arc block 43 or the frame 42 through the T-shaped slider. It can clamp according to the curvature of the product's surface. Through the design of the synchronous wheel 25 and the synchronous belt 26, multiple screws 22 can rotate simultaneously to fix and loosen multiple end caps at the same time. Before processing after clamping, the electromagnetic telescopic rod 52 is activated to drive the three-pronged rod 5 to move towards the protrusion. The groove 51 engages with the protrusion, which can fix the three clamping blocks 4 at the same time to prevent loosening during use.

[0032] The foregoing has described several embodiments of this utility model in detail, but these embodiments are not limited thereto and should not be considered as limiting the scope of this utility model. All equivalent changes and improvements made within the scope of the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A fixture for processing end caps, comprising a top plate (1), characterized in that, Also includes: A screw sleeve (23) is provided. A support frame (2) is fixedly connected to the lower end of the top plate (1). Several sliding grooves (3) are equally spaced on the top plate (1). Every three sliding grooves (3) are arranged circumferentially. A clamping block (4) is provided in each sliding groove (3) through a sliding mechanism. A hinge rod (24) is hinged to the lower end of each clamping block (4). The other end of each hinge rod (24) is hinged to the screw sleeve (23). A lifting mechanism is provided on each screw sleeve (23). The lifting mechanisms are connected to each other through a transmission mechanism. The clamping block ( 4) A trapezoidal block (41) is fixedly connected to the side. Two frames (42) are fixedly connected to the side of the trapezoidal block (41). Multiple arc blocks (43) of different sizes are slidably arranged inside the frames (42). The large arc block (43) is located on the surface of all the arc blocks (43). Two medium arc blocks (43) are installed on the surface of the large arc block (43). Two small arc blocks (43) are installed on the surface of the medium arc block (43). A snap-fit ​​assembly is also provided between the clamping block (4) and the top plate (1).

2. The end cap processing fixture according to claim 1, characterized in that, The lifting mechanism includes a screw (22), and the screw sleeve (23) has a threaded hole inside, and the screw sleeve (23) is threadedly connected to the hole of the screw (22).

3. The end cap processing fixture according to claim 2, characterized in that, The transmission mechanism includes a motor (27), a fixed frame (21), a synchronous belt (26), and synchronous pulleys (25). The fixed frame (21) is fixedly connected to the support frame (2). The motor (27) is mounted on the fixed frame (21). The screws (22) are rotatably connected to the fixed frame (21) through bearings. The output shaft of the motor (27) is fixedly connected to one of the screws (22). Synchronous pulleys (25) are fixedly connected to each screw (22). A synchronous belt (26) is sleeved between two adjacent synchronous pulleys (25).

4. The end cap processing fixture according to claim 1, characterized in that, The sliding mechanism includes a limiting groove (45), and there are two limiting grooves (45), which are respectively provided on both sides of the clamping block (4). The clamping block (4) is slidably connected to the corresponding sliding groove (3) through the limiting groove (45).

5. The end cap processing fixture according to claim 1, characterized in that, The snap-fit ​​assembly includes a three-pronged rod (5), the three rods of the three-pronged rod (5) are set in corresponding sliding grooves (3), and a number of grooves (51) are distributed along the width direction of the rod on the top of the three-pronged rod (5). Each clamping block (4) has a through hole (46), and a corresponding protrusion is provided on the side of the through hole (46) near the three-pronged rod (5). The grooves (51) correspond to the protrusions. An electromagnetic telescopic rod (52) for driving the three-pronged rod (5) to move up and down is also fixed on the top plate (1).

6. The end cap processing fixture according to claim 1, characterized in that, Rubber pads (44) are provided on the side of the smaller arc-shaped block (43) away from the frame (42).

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