High-precision mechanical part machining and positioning device

Abstract

The utility model discloses a high-precision mechanical part machining and positioning device, which belongs to the technical field of part machining and comprises a bottom plate, a worktable is arranged on the upper surface of the bottom plate, a bidirectional threaded rod is rotatably connected in the worktable, and a servo motor is fixedly connected to the left end of the bidirectional threaded rod. The outer surface of the bidirectional threaded rod is in threaded connection with two moving blocks, each moving block is slidably connected to the interior of the workbench, and the upper surface of each moving block is fixedly connected with a connecting block. According to the high-precision mechanical part machining and positioning device, through cooperation of a plurality of assemblies, the part clamping force can be controlled, the problem that in the clamping process, looseness is caused by too small force or a workpiece is damaged due to too large force is solved, the angle of the workpiece can be adjusted after positioning, and the machining precision is improved. And the workpiece does not need to be positioned again during machining at different angles, and the effect of improving the applicability of the high-precision mechanical part machining and positioning device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of spare part processing, especially relates to a high-precision mechanical spare part processing positioning device. BACKGROUND

[0002] Spare part processing is a kind of modern manufacturing technology, which manufactures or produces the parts, sub-elements or assemblies that constitute machines and equipment, and this kind of technology is widely applied in different industries and fields, and positioning is needed when high-precision mechanical spare parts are processed.

[0003] The utility model discloses a high-precision mechanical spare part processing positioning device discloses a high-precision mechanical spare part processing positioning device, including the base and the first lead screw that rotates and connects in the inside of base, one end of first lead screw is fixedly connected with hand wheel, the outer circle of first lead screw is rotationally connected with first ball nut seat, the upper surface of first ball nut seat is fixedly connected with first connecting frame.

[0004] The above technical scheme is convenient for adjusting the position of the positioning plate, positioning when processing high-precision mechanical spare parts in large quantities, and improving the processing efficiency when processing parts of the same size without repeated alignment processing, but the above technical scheme cannot control the clamping force of the spare parts, and the operator needs to observe with naked eyes during clamping, which may cause loosening due to small force or damage to the workpiece due to large force, and the angle of the workpiece cannot be adjusted after positioning, so the workpiece needs to be repositioned when processing at different angles, reducing the applicability of the high-precision mechanical spare part processing positioning device.

[0005] Therefore, the utility model provides a high-precision mechanical spare part processing positioning device to solve the above problems. Utility model content

[0006] The utility model discloses a high-precision mechanical spare part processing positioning device to solve the problem that the clamping force cannot be controlled and the angle cannot be adjusted in the prior art.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] The utility model provides a high -precision mechanical spare and parts processing positioning device, including the bottom plate, the upper surface of bottom plate is provided with the work table, the inside rotation of work table is connected with two -way screw rod, the left end fixed connection of two -way screw rod has the servo motor, the outer surface screw connection of two -way screw rod has two moving blocks, every moving block all is connected in the inside of work table, the upper surface of every moving block all is fixedly connected with the connecting block, the inside of every connecting block all is connected with the clamping block, the inner side wall of every connecting block all is fixedly connected with pressure sensor, every pressure sensor all is connected with servo motor through the wire, two clamping blocks are away from each other's one side all is fixedly connected with three auxiliary springs, wherein two auxiliary springs are away from each other's one end all is fixedly connected with the one end of pressure sensor, and the inner side wall of connecting block is fixedly connected with the one end of other four auxiliary springs, the inside rotation of bottom plate is connected with transmission rod, the top of transmission rod is fixedly connected with the bottom surface of work table, the bottom fixed connection of transmission rod has auxiliary gear, the inside slide connection of bottom plate has the limit gear block, the inside rotation of bottom plate is connected with transmission gear, and the limit gear block and transmission gear all are engaged with auxiliary gear.

[0009] Preferably, the inside rotation of the work table is connected with an auxiliary lead screw, the outer surface of the auxiliary lead screw is threadedly connected with a baffle, and the baffle is slidably connected to the inside of the work table.

[0010] Preferably, the end of the auxiliary lead screw away from the baffle is fixedly connected with a rotating disc, and the outer surface of the rotating disc is fixedly connected with a pulling handle.

[0011] Preferably, the outer surface of the two-way screw rod is sleeved with an auxiliary bearing, and the auxiliary bearing is inlaid in the inside of the work table.

[0012] Preferably, the front and back surfaces of each clamping block are fixedly connected with a sliding block, and each sliding block is slidably connected to the inside of the connecting block.

[0013] Preferably, the outer surface of the transmission rod is sleeved with a rotating bearing, and the rotating bearing is inlaid in the inside of the bottom plate.

[0014] Preferably, the inner wall of the bottom plate is fixedly connected with an electric telescopic rod, and the telescopic end of the electric telescopic rod is fixedly connected with the front surface of the limit gear block.

[0015] Preferably, the inner wall of the bottom plate is fixedly connected with a rotating motor, and the output end of the rotating motor is fixedly connected with the bottom end of the transmission gear.

[0016] In summary, the technical effects and advantages of the utility model are:

[0017] Through being provided with the bottom plate, the workbench, the two-way threaded rod, the servo motor, the moving block, the connecting block, the clamping block, the pressure sensor, the auxiliary spring, the transmission rod, the auxiliary gear, the limiting tooth block and the transmission gear, the two-way threaded rod is rotated by the servo motor, and the two moving blocks drive the connecting block and the clamping block to approach each other, then the two clamping blocks clamp the parts, the clamping block moves to the connecting block during clamping, and the auxiliary spring is contracted, then the pressure of the auxiliary spring is sensed by the pressure sensor, and when the pressure reaches a proper value, the servo motor is closed in time through the wire, and the auxiliary gear is rotated by the transmission gear, so that the angle of the workbench is changed, then the current position of the auxiliary gear is locked by the limiting tooth block, so that the self-rotation of the auxiliary gear is prevented, the clamping force of the parts can be controlled, the problem that the workpiece is damaged due to the too small clamping force or the too large clamping force during clamping is solved, and the angle of the workpiece can be adjusted after positioning, so that the workpiece does not need to be positioned again when workpieces with different angles are machined, and the applicability of the high-precision mechanical part machining positioning device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic view of the bottom plate of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic view of the connecting block of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic view of the workbench of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic view of the transmission gear of the utility model.

[0022] In the drawing: 1, bottom plate; 2, workbench; 3, two-way threaded rod; 4, servo motor; 5, moving block; 6, connecting block; 7, clamping block; 8, pressure sensor; 9, auxiliary spring; 10, transmission rod; 11, auxiliary gear; 12, limiting tooth block; 13, transmission gear; 14, auxiliary screw; 15, baffle; 16, rotating disc; 17, pulling handle; 18, sliding block; 19, rotating bearing; 20, electric telescopic rod; 21, rotating motor; 22, auxiliary bearing. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] REFERENCE Figures 1-4The embodiment provides a high-precision mechanical part machining positioning device which comprises a bottom plate 1, the upper surface of the bottom plate 1 is provided with a workbench 2, the inside of the workbench 2 is rotationally connected with an auxiliary lead screw 14, the outer surface of the auxiliary lead screw 14 is threadedly connected with a baffle plate 15, the baffle plate 15 is slidingly connected to the inside of the workbench 2, the rotation of the auxiliary lead screw 14 drives the baffle plate 15 to slide in the workbench 2, and then the rear side position of the same workpiece is positioned through the baffle plate 15, so that the continuity when the same workpiece is machined is improved.

[0025] One end of the auxiliary lead screw 14 away from the baffle plate 15 is fixedly connected with a rotating disc 16, the outer surface of the rotating disc 16 is fixedly connected with a pulling handle 17, the rotating disc 16 and the pulling handle 17 are relied on to provide a good stress position for the auxiliary lead screw 14, the sensitivity when the auxiliary lead screw 14 is rotated is increased, and the convenience when used is effectively increased.

[0026] The inside of the workbench 2 is rotationally connected with a bidirectional threaded rod 3, the left end of the bidirectional threaded rod 3 is fixedly connected with a servo motor 4, the outer surface of the bidirectional threaded rod 3 is sleeved with an auxiliary bearing 22, the auxiliary bearing 22 is embedded in the inside of the workbench 2, the auxiliary bearing 22 can improve the effect of the bidirectional threaded rod 3 when rotating, reduce the friction generated when the bidirectional threaded rod 3 rotates, and also can reduce the abrasion speed when the bidirectional threaded rod 3 rotates, and increase the service life of the bidirectional threaded rod 3.

[0027] The outer surface of the bidirectional threaded rod 3 is threadedly connected with two moving blocks 5, each moving block 5 is slidingly connected to the inside of the workbench 2, the upper surface of each moving block 5 is fixedly connected with a connecting block 6, the inside of each connecting block 6 is slidingly connected with a clamping block 7, the front face and the back face of each clamping block 7 are fixedly connected with a sliding block 18, each sliding block 18 is slidingly connected to the inside of the connecting block 6, the sliding block 18 can move simultaneously with the clamping block 7, and the friction of the sliding block 18 to the connecting block 6 during movement is utilized to improve the stress position of the clamping block 7 when moving, and the stability when moving is improved.

[0028] The inner side wall of each connecting block 6 is fixedly connected with a pressure sensor 8, each pressure sensor 8 is electrically connected with the servo motor 4 through a wire, the side face of the two clamping blocks 7 away from each other is fixedly connected with three auxiliary springs 9, the ends of two auxiliary springs 9 away from each other are fixedly connected with the ends of the pressure sensor 8 close to each other, the ends of the other four auxiliary springs 9 away from each other are fixedly connected with the inner side wall of the connecting block 6, the inside of the bottom plate 1 is rotatably connected with a transmission rod 10, the outer surface of the transmission rod 10 is sleeved with a rotating bearing 19, the rotating bearing 19 is embedded in the inside of the bottom plate 1, the rotating bearing 19 can reduce the friction generated when the transmission rod 10 rotates, make the transmission rod 10 more sensitive when rotating, also can reduce the wear of the transmission rod 10, increase the service life of the transmission rod 10.

[0029] The top end of the transmission rod 10 is fixedly connected with the bottom surface of the workbench 2, the bottom end of the transmission rod 10 is fixedly connected with an auxiliary gear 11, the inside of the bottom plate 1 is slidably connected with a limiting tooth block 12, the inner wall of the bottom plate 1 is fixedly connected with an electric telescopic rod 20, the telescopic end of the electric telescopic rod 20 is fixedly connected with the front surface of the limiting tooth block 12, the limiting tooth block 12 is moved by the pushing force generated by the electric telescopic rod 20, thereby providing a stable power source for the limiting tooth block 12, increasing the stability of the limiting tooth block 12 when moving.

[0030] The inside of the bottom plate 1 is rotatably connected with a transmission gear 13, the limiting tooth block 12 and the transmission gear 13 are engaged with the auxiliary gear 11, the inner wall of the bottom plate 1 is fixedly connected with a rotating motor 21, the output end of the rotating motor 21 is fixedly connected with the bottom end of the transmission gear 13, the rotating motor 21 can provide a stable power source for the transmission gear 13, the transmission gear 13 is rotated by the power generated by the rotating motor 21, thereby driving the auxiliary gear 11 to rotate.

[0031] The working principle of the utility model is: when using, first, the servo motor 4, the pressure sensor 8, the electric telescopic rod 20 and the rotating motor 21 are connected to the power supply, and the workpiece is placed on the surface of the workbench 2, when needing to clamp the workpiece, starting the servo motor 4, then driving the bidirectional threaded rod 3 to rotate positively, and making the moving block 5 drive the connecting block 6 and the clamping block 7 to move mutually, then relying on the clamping block 7 to clamp the workpiece, at the same time, the clamping block 7 will move to the connecting block 6 when being pressed by the workpiece, and making the auxiliary spring 9 compress, at this time, the pressure sensor 8 can continuously sense the current pressure value of the auxiliary spring 9, and sends an electric signal to the servo motor 4 when the pressure reaches the preset value, then making it stop, so as to achieve the ability to control the clamping force, preventing the force being too large or too small, when continuously clamping the same workpiece, rotating the pull handle 17, then driving the rotating disc 16 and the auxiliary lead screw 14 to rotate, and making the baffle 15 contact with the workpiece, so as to improve the convenience when positioning the front and rear positions of the workpiece subsequently, when needing to adjust the angle of the workpiece, starting the electric telescopic rod 20, driving the limiting tooth block 12 to move through the pushing and pulling force generated by the electric telescopic rod 20, and releasing the meshing relationship with the auxiliary gear 11, then starting the rotating motor 21, driving the transmission gear 13 to rotate through the rotating motor 21, then making the auxiliary gear 11 rotate, stopping the rotating motor 21 when the angle is appropriate, and starting the electric telescopic rod 20 to make it drive the limiting tooth block 12 to mesh with the auxiliary gear 11 again, effectively increasing the effect when using the high-precision mechanical part machining positioning device.

[0032] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0033] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-precision mechanical part machining positioning device, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is provided with a workbench (2), the inside of the workbench (2) is rotatably connected with a bidirectional threaded rod (3), the left end of the bidirectional threaded rod (3) is fixedly connected with a servo motor (4), the outer surface of the bidirectional threaded rod (3) is threadedly connected with two moving blocks (5), each moving block (5) is slidably connected to the inside of the workbench (2), the upper surface of each moving block (5) is fixedly connected with a connecting block (6), the inside of each connecting block (6) is slidably connected with a clamping block (7), the inner side wall of each connecting block (6) is fixedly connected with a pressure sensor (8), each pressure sensor (8) is electrically connected with the servo motor (4) through wires, the side face of the two clamping blocks (7) away from each other is fixedly connected with three auxiliary springs (9), the ends of two auxiliary springs (9) away from each other are fixedly connected with the ends of the pressure sensor (8) close to each other, the ends of the other four auxiliary springs (9) away from each other are fixedly connected with the inner side wall of the connecting block (6), the inside of the bottom plate (1) is rotatably connected with a transmission rod (10), the top end of the transmission rod (10) is fixedly connected with the bottom surface of the workbench (2), the bottom end of the transmission rod (10) is fixedly connected with an auxiliary gear (11), the inside of the bottom plate (1) is slidably connected with a limiting tooth block (12), the inside of the bottom plate (1) is rotatably connected with a transmission gear (13), the limiting tooth block (12) and the transmission gear (13) are meshed with the auxiliary gear (11).

2. The high-precision mechanical part machining and positioning device according to claim 1, characterized in that: The inside of the workbench (2) is rotatably connected with an auxiliary lead screw (14), the outer surface of the auxiliary lead screw (14) is threadedly connected with a baffle (15), the baffle (15) is slidably connected to the inside of the workbench (2).

3. The high-precision mechanical component machining and positioning device according to claim 2, characterized in that: The end of the auxiliary lead screw (14) away from the baffle (15) is fixedly connected with a rotating disc (16), the outer surface of the rotating disc (16) is fixedly connected with a pulling handle (17).

4. The high-precision mechanical part machining and positioning device according to claim 1, characterized in that: The outer surface of the bidirectional threaded rod (3) is sleeved with an auxiliary bearing (22), and the auxiliary bearing (22) is inlaid in the inside of the workbench (2).

5. The high-precision mechanical component machining and positioning device according to claim 1, characterized in that: The front face and the back face of each clamping block (7) are fixedly connected with a sliding block (18), and each sliding block (18) is slidably connected to the inside of the connecting block (6).

6. The high-precision mechanical component machining and positioning device according to claim 1, characterized in that: The outer surface of the transmission rod (10) is sleeved with a rotating bearing (19), and the rotating bearing (19) is inlaid in the inside of the bottom plate (1).

7. The high-precision mechanical component machining and positioning device according to claim 1, characterized in that: The inner wall of the bottom plate (1) is fixedly connected with an electric telescopic rod (20), and the telescopic end of the electric telescopic rod (20) is fixedly connected with the front face of the limiting tooth block (12).

8. The high-precision mechanical component machining and positioning device according to claim 1, characterized in that: The inner wall of the bottom plate (1) is fixedly connected with a rotating motor (21), and the output end of the rotating motor (21) is fixedly connected with the bottom end of the transmission gear (13).

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