Mechanical part clamping device

Abstract

The utility model discloses a mechanical part clamping device which comprises a base, a clamping part used for clamping a workpiece and an adjusting part used for controlling the height of the workpiece. The clamping part comprises a sliding groove formed in the top of the base, sliding blocks arranged on the two sides in the sliding groove correspondingly, a first chuck arranged on one side of the sliding blocks, two second chucks arranged on one side of the first chuck and two third chucks arranged on one sides of the second chucks. The mechanical part clamping device comprises a base and a clamping part, solves the problem that when an existing mechanical part clamping device is used, although parts can be clamped and fixed, the parts can be clamped and fixed, the parts can not be clamped and fixed, and the parts can not be clamped and fixed. The problems that most of the special-shaped parts can only clamp and fix the relatively regular parts, the clamping and fixing effect on the special-shaped parts is relatively poor, the phenomenon that the special-shaped parts shake and are unstable after being clamped is likely to occur, and therefore practicability is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical parts clamping, in particular to a mechanical parts clamping device. Background Art

[0002] Mechanical parts are the basic elements that make up a machine, including but not limited to bearings, gears, molds, hydraulic parts, pneumatic components, seals, fasteners, etc. These parts play an indispensable role in the equipment manufacturing industry, directly affecting the performance, level, quality and reliability of major equipment and host products. They are the key to realizing the transformation of the equipment manufacturing industry from big to strong. During the production and processing of mechanical parts, they need to be clamped and fixed by clamping devices to prevent them from moving, so that they can be processed conveniently.

[0003] Although the current mechanical parts clamping devices can clamp and fix parts when in use, most of them can only clamp and fix relatively regular parts. The clamping and fixing effect for special-shaped parts is relatively poor. Special-shaped parts are prone to shaking and instability after clamping, which reduces their practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical parts clamping device to solve the problem raised in the above background technology that although the current mechanical parts clamping device can clamp and fix parts when in use, it can only clamp and fix relatively regular parts, and the clamping and fixing effect for special-shaped parts is relatively poor. Special-shaped parts are prone to shaking and instability after clamping, which reduces the practicality of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical parts clamping device, comprising a base, a clamping component for clamping a workpiece and an adjusting component for controlling the height of the workpiece, the clamping component comprising a slide groove opened on the top of the base, sliders respectively arranged on both sides of the slide groove, a first chuck arranged on one side of the slider, two second chucks arranged on one side of the first chuck, two third chucks arranged on one side of the second chuck, two fourth chucks arranged on one side of the third chuck and a driving component for clamping workpieces of different sizes, the slider is slidably connected to the slide groove, the first chuck is rotatably matched with the slider, the second chuck is rotatably matched with the first chuck, the third chuck is rotatably matched with the second chuck, and the fourth chuck is rotatably matched with the third chuck.

[0006] Preferably, the adjusting component includes knobs respectively arranged on both sides of the base, belts sleeved on the outside of the two knobs, a first screw rod connected to the knob, a placement plate connected to the top of the first screw rod, a baffle fixedly connected to the bottom inner portion of the base, through openings opened on both sides of the top of the baffle plate, and a stop component for preventing the placement plate from rotating, the first screw rod is threadedly connected to the knob, and the first screw rod is rotationally connected to the placement plate.

[0007] Preferably, the driving component includes a bidirectional screw connected to the base, an arc-shaped opening opened at the top of the first chuck, a movable opening opened in the slider, engaging blocks respectively arranged on both sides of the top of the bidirectional screw, a pull rod fixedly connected to the top of the engaging block, a fixed rod respectively fixedly connected to both sides of the top of the slider, an eccentric wrench arranged in the fixed rod, and a spring sleeved on the outside of the pull rod, the eccentric wrench is fixedly connected to the pull rod, the pull rod passes through the slider and is slidably connected to the slider, two ends of the spring are respectively fixedly connected to the top of the engaging block and the top of the movable opening, the bidirectional screw is rotatably connected to the base, and the two engaging blocks are engaged with the bidirectional screw.

[0008] Preferably, the anti-rotation component includes a telescopic rod fixedly connected to the top of the baffle plate on all sides and a sleeve fixedly connected to one side of the telescopic rod, the top of the telescopic rod is fixedly connected to the bottom of the placement plate, and the bottom of the sleeve is fixedly connected to the top of the baffle plate.

[0009] Preferably, a fixing cylinder is provided at the bottom of the knob, the fixing cylinder is fixedly connected to the base, and the knob is rotatably connected to the fixing cylinder.

[0010] Preferably, mounting frames are respectively provided around the bottom of the base, and the mounting frames are fixedly connected to the base.

[0011] Preferably, both ends of the bidirectional screw rod are provided with a rotating knob, and the rotating knob is fixedly connected to the bidirectional screw rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting a base and a clamping component, the first clamp, the second clamp, the third clamp and the fourth clamp can rotate to different degrees. The first clamp, the second clamp, the third clamp and the fourth clamp can be used to clamp special-shaped parts of different shapes, and the special-shaped parts can be stably clamped and fixed, which can prevent the special-shaped parts from shaking and being unstable during clamping, thereby facilitating the production and processing of the special-shaped parts, thereby greatly improving the practicality of the device;

[0014] 2. By providing an adjustment component, the first screw rod can be moved vertically by turning the knob, and the other first screw rod can be rotated synchronously through the belt, thereby pushing the placement plate to move vertically. The workpiece can be placed on the top of the placement plate, and the vertical position of the workpiece can be adjusted, thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0016] Figure 2 A left side view provided for the utility model;

[0017] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0018] Figure 4 A front view provided for the utility model;

[0019] Figure 5 The utility model provides Figure 4 A three-dimensional cross-section view at the middle BB;

[0020] Figure 6 A bottom view provided for the utility model;

[0021] Figure 7 An exploded schematic diagram of the slider, the first clamp, the second clamp, the third clamp, the fourth clamp and the arc-shaped opening provided by the utility model.

[0022] In the figure: 1, base; 21, slide groove; 22, slider; 23, first chuck; 24, second chuck; 25, third chuck; 26, fourth chuck; 31, knob; 32, belt; 33, first screw rod; 34, placement plate; 35, baffle; 36, through-hole; 41, two-way screw rod; 42, arc-shaped mouth; 43, movable mouth; 44, engagement block; 45, pull rod; 46, fixed rod; 47, eccentric wrench; 48, spring; 51, telescopic rod; 52, sleeve; 61, fixed tube; 71, mounting bracket; 81, rotating knob. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 6 as well as Figure 7The utility model provides a technical solution: a mechanical parts clamping device, including a base 1, a clamping component for clamping a workpiece and an adjusting component for controlling the height of the workpiece, the clamping component includes a slide groove 21 opened on the top of the base 1, sliders 22 respectively arranged on both sides of the slide groove 21, a first chuck 23 arranged on one side of the slider 22, two second chucks 24 arranged on one side of the first chuck 23, two third chucks 25 arranged on one side of the second chuck 24, two fourth chucks 26 arranged on one side of the third chuck 25 and a driving component for clamping workpieces of different sizes, the slider 22 is slidably connected to the slide groove 21, the first chuck 23 is rotatably matched with the slider 22, and the second chuck 24 is rotatably matched with the first chuck 23 The third chuck 25 is rotatably matched with the second chuck 24, the fourth chuck 26 is rotatably matched with the third chuck 25, and the two sliders 22 move in opposite directions, which can drive the first chuck 23, the second chuck 24, the third chuck 25 and the fourth chuck 26 to move. The first chuck 23, the second chuck 24, the third chuck 25 and the fourth chuck 26 can all rotate, so that different special-shaped parts can be clamped and fixed, which can improve the scope of application, prevent the special-shaped parts from shaking, and ensure the processing stability of the special-shaped parts. The driving components include a bidirectional screw rod 41 connected to the base 1, an arc-shaped opening 42 opened at the top of the first chuck 23, a movable opening 43 opened in the slider 22, and two sides of the top of the bidirectional screw rod 41 respectively. The meshing block 44, the pull rod 45 fixedly connected to the top of the meshing block 44, the fixed rod 46 fixedly connected to the two sides of the top of the slider 22 respectively, the eccentric wrench 47 arranged in the fixed rod 46 and the spring 48 sleeved on the outside of the pull rod 45, the eccentric wrench 47 is fixedly connected to the pull rod 45, the pull rod 45 passes through the slider 22 and is slidably connected to the slider 22, the two ends of the spring 48 are respectively fixedly connected to the top of the meshing block 44 and the top of the movable opening 43, the two-way screw rod 41 is rotatably connected to the base 1, and the two meshing blocks 44 are meshed with the two-way screw rod 41. By rotating the eccentric wrench 47, the pull rod 45 can be driven to move upward, thereby causing the spring 48 to deform, thereby driving the meshing block 44 to disengage from the two-way screw rod 41, and the two-way screw rod 41 can be quickly moved. Move the two sliders 22 to a position close to the workpiece, perform coarse adjustment on the slider 22, and then reset the eccentric wrench 47 so that the meshing block 44 meshes with the bidirectional screw rod 41 again. At this time, the rotation of the bidirectional screw rod 41 can drive the slider 22 to move again, and then the position of the slider 22 can be finely adjusted, which can improve the clamping rate. Mounting frames 71 are respectively provided around the bottom of the base 1, and the mounting frames 71 are fixedly connected to the base 1. The mounting frames 71 can support and fix the base 1 to improve the stability of the base 1. Rotating knobs 81 are respectively provided at both ends of the bidirectional screw rod 41, and the rotating knob 81 is fixedly connected to the bidirectional screw rod 41. The rotating knob 81 can conveniently drive the bidirectional screw rod 41 to rotate, and then the lateral position of the slider 22 can be conveniently adjusted.

[0025] See also Figure 1 , Figure 4 as well as Figure 5 The adjusting components include knobs 31 respectively arranged on both sides of the base 1, belts 32 sleeved on the outside of the two knobs 31, a first screw rod 33 connected to the knob 31, a placement plate 34 connected to the top of the first screw rod 33, a baffle 35 fixedly connected to the bottom of the base 1, through holes 36 opened on both sides of the top of the baffle 35, and a stopper component for preventing the placement plate 34 from rotating. The first screw rod 33 is screwed with the knob 31, and the first screw rod 33 is rotatably connected to the placement plate 34. The first screw rod 33 can be driven to move vertically by rotating the knob 31, and the other knob 31 can be driven to rotate by the belt 32, thereby making the other first screw rod 33 move vertically, and thereby making the two first screw rods 33 drive the placement plate 34 to move vertically, which can be realized according to needs. To adjust the height of the placement plate 34 and the workpiece, the anti-rotation component includes a telescopic rod 51 fixedly connected to the top of the baffle 35 and a sleeve 52 fixedly connected to one side of the telescopic rod 51. The top of the telescopic rod 51 is fixedly connected to the bottom of the placement plate 34, and the bottom of the sleeve 52 is fixedly connected to the top of the baffle 35. The placement plate 34 can drive the telescopic rod 51 to extend and retract, thereby preventing the placement plate 34 from rotating when it moves vertically, and can play a role in anti-rotation. The sleeve 52 can improve the stability of the telescopic rod 51. A fixed cylinder 61 is provided at the bottom of the knob 31, and the fixed cylinder 61 is fixedly connected to the base 1. The knob 31 is rotatably connected to the fixed cylinder 61. The fixed cylinder 61 can fix the knob 31 to prevent the knob 31 from moving, and ensure that the knob 31 can only rotate in place.

[0026] Working principle: When working, put the workpiece on the top of the placement plate 34, and then turn any one of the knobs 31. The knob 31 can drive the first screw rod 33 to move vertically. The belt 32 can be used to rotate the other knob 31, so that the two first screw rods 33 can move vertically synchronously, and then the placement plate 34 can be driven to move vertically, and then the workpiece can be driven to move. After adjusting to a suitable height, the eccentric wrench 47 can be turned, and the eccentric wrench 47 can drive the pull rod 45 to move upward, and then the meshing block 44 can be driven to move upward and disengage from the bidirectional screw rod 41, and then the two sliders 22 can be moved, and the sliders 22 can be roughly adjusted. After reaching the approximate position, the eccentric wrench 47 can be turned. The center wrench 47 is pulled back, and the engaging block 44 is reset and engaged with the bidirectional screw 41. Then the rotating button 81 can be turned to drive the bidirectional screw 41 to rotate. The rotation of the bidirectional screw 41 can move the two engaging blocks 44, and fine adjustment can be performed. The engaging block 44 can drive the slider 22 to move, and then the fourth chuck 26 can be brought into contact with the workpiece. Since the first chuck 23, the second chuck 24, the third chuck 25 and the fourth chuck 26 can all be rotated, the special-shaped parts can be stably clamped and fixed. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical parts clamping device, comprising a base (1), a clamping component for clamping a workpiece, and an adjusting component for controlling the height of the workpiece, characterized in that: The clamping component comprises a slide groove (21) opened on the top of the base (1), a slider (22) respectively arranged on both sides of the slide groove (21), a first chuck (23) arranged on one side of the slider (22), two second chucks (24) arranged on one side of the first chuck (23), two third chucks (25) arranged on one side of the second chuck (24), two fourth chucks (26) arranged on one side of the third chuck (25), and a driving component for clamping workpieces of different sizes. The slider (22) is slidably connected to the slide groove (21), the first chuck (23) is rotationally matched with the slider (22), the second chuck (24) is rotationally matched with the first chuck (23), the third chuck (25) is rotationally matched with the second chuck (24), and the fourth chuck (26) is rotationally matched with the third chuck (25).

2. A mechanical parts clamping device according to claim 1, characterized in that: The adjusting component comprises knobs (31) respectively arranged on both sides of the base (1), belts (32) sleeved on the outsides of the two knobs (31), a first screw rod (33) connected to the knobs (31), a placement plate (34) connected to the top of the first screw rod (33), a baffle plate (35) fixedly connected to the inner bottom of the base (1), through openings (36) opened on both sides of the top of the baffle plate (35), and a rotation-stopping component for preventing the placement plate (34) from rotating, wherein the first screw rod (33) is threadedly connected to the knobs (31), and the first screw rod (33) is rotationally connected to the placement plate (34).

3. A mechanical parts clamping device according to claim 1, characterized in that: The driving component comprises a bidirectional screw (41) connected to the base (1), an arc-shaped opening (42) opened at the top of the first chuck (23), a movable opening (43) opened in the slider (22), an engagement block (44) respectively arranged on both sides of the top of the bidirectional screw (41), a pull rod (45) fixedly connected to the top of the engagement block (44), a fixed rod (46) respectively fixedly connected to both sides of the top of the slider (22), an eccentric wrench (47) arranged in the fixed rod (46), and a spring (48) sleeved on the outside of the pull rod (45), the eccentric wrench (47) being fixedly connected to the pull rod (45), the pull rod (45) passing through the slider (22) and being slidably connected to the slider (22), the two ends of the spring (48) being respectively fixedly connected to the top of the engagement block (44) and the top of the movable opening (43), the bidirectional screw (41) being rotatably connected to the base (1), and the two engagement blocks (44) being engaged with the bidirectional screw (41).

4. A mechanical parts clamping device according to claim 2, characterized in that: The anti-rotation component comprises a telescopic rod (51) fixedly connected to the top of the baffle (35) on all sides and a sleeve (52) connected to the bottom of the telescopic rod (51); the top of the telescopic rod (51) is fixedly connected to the bottom of the placement plate (34); and the bottom of the sleeve (52) is fixedly connected to the top of the baffle (35).

5. A mechanical parts clamping device according to claim 2, characterized in that: A fixing cylinder (61) is provided at the bottom of the knob (31), the fixing cylinder (61) is fixedly connected to the base (1), and the knob (31) is rotatably connected to the fixing cylinder (61).

6. A mechanical parts clamping device according to claim 1, characterized in that: Mounting frames (71) are respectively provided around the bottom of the base (1), and the mounting frames (71) are fixedly connected to the base (1).

7. A mechanical parts clamping device according to claim 3, characterized in that: Rotating knobs (81) are respectively provided at both ends of the bidirectional screw rod (41), and the rotating knobs (81) are fixedly connected to the bidirectional screw rod (41).

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