Positioning device based on numerical control machine tool part machining

Abstract

The utility model discloses a positioning device based on numerical control machine tool part machining, which comprises a mounting base, a driving unit arranged on the upper surface of the mounting base and used for assisting positioning, a positioning unit arranged on the side surface of the driving unit and used for assisting clamping, and a clamping unit arranged on the upper surface of the mounting base and used for clamping, a limiting groove is formed in the front face of the mounting base, a positioning hole is formed in the inner wall of the limiting groove, the driving unit comprises a driving assembly and a limiting assembly, and the positioning unit comprises a connecting assembly and a pneumatic assembly. The clamping unit comprises a rotating assembly and a clamping assembly, a first hydraulic air cylinder stretches out and draws back to drive a shell to move in the horizontal direction under limiting of a limiting groove, and meanwhile the rotating direction of the clamping unit can be changed by cooperating with the starting effect of a driven gear, a driving motor and a driving gear. The device solves the problem that a part cannot be rotated in the using process of a current positioning workpiece.

Description

Technical Field

[0001] The utility model belongs to the XX technical direction, and specifically relates to a positioning device based on CNC machine tool part processing. Background Art

[0002] In CNC machine tool processing, the parts need to be positioned first and then processed after they are kept stable. The positioning equipment can accurately fix the parts and quickly position the parts, which facilitates the subsequent processing of the parts, thereby avoiding displacement of machine tool parts during the processing and causing processing deviations, thereby increasing the processing success rate of CNC machine tools.

[0003] CN218284542U proposes a part positioning tool, including a movable plate and a processing head, the outer surface of the movable plate is fixedly connected with a positioning protrusion, the outer surface of the positioning protrusion is provided with a positioning hole, the outer surface of the movable plate is provided with a positioning structure near the positioning hole, the outer surface of the movable plate is provided with an aggregate structure near the lower end, the positioning structure includes a base plate connected to the outer surface of the movable plate by bolts, the outer surface of the base plate is provided with a threaded hole, a No. 1 threaded rod is provided inside the threaded hole, and one end of the No. 1 threaded rod is fixedly connected to a rotating head.

[0004] The prior art has the following problems: although the positioning tool can clamp and position parts of different specifications during use, the parts cannot be rotated during use, so that during the part processing process, the position of the parts still needs to be changed manually, which greatly reduces the practicality of the positioning tool.

[0005] This phenomenon has become a problem that needs to be solved urgently by people in this field. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning device based on CNC machine tool part processing for existing devices to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a positioning device based on CNC machine tool parts processing, comprising a mounting base, a driving unit arranged on the upper surface of the mounting base for auxiliary positioning, a positioning unit arranged on the side of the driving unit for auxiliary clamping, and a clamping unit arranged on the upper surface of the mounting base for clamping, a limiting groove is provided on the front side of the mounting base, a positioning hole is provided on the inner wall of the limiting groove, the driving unit includes a driving component and a limiting component, the positioning unit includes a connecting component and a pneumatic component, and the clamping unit includes a rotating component and a clamping component.

[0008] The utility model further illustrates that the limit assembly includes a shell, the front face of the shell is fixedly connected to a limit plate, the inner wall of the limit plate is threadedly connected to a positioning bolt, one end of the positioning bolt is movably engaged with the inner wall of the positioning hole, when the hydraulic cylinder drives the shell to move to the desired position, the positioning bolt is rotated to enable it to engage with the inner wall of the positioning hole, thereby completing the reinforcement and fixation of the shell, the bottom surface of the shell is fixedly connected to a moving block, the bottom surface of the moving block is provided with a roller, the bottom surface of the roller is slidably connected to the inner wall of the mounting base, the roller can conveniently reduce the resistance encountered by the moving block during the movement, and the side of the moving block is detachably connected to a hydraulic cylinder detachably connected to the inner wall of the mounting base.

[0009] The utility model further describes that the driving assembly includes a driving motor, the bottom surface of the driving motor is detachably connected to the bottom surface of the inner wall of the shell, the output end of the driving motor is fixedly connected to a driving gear, and the outer surface of the driving gear is meshingly connected to a driven gear. Through the cooperation of the driven gear, the driving motor and the driving gear, the rotating bearing can be assisted to rotate.

[0010] The utility model further describes that the connecting assembly includes a moving block 2, the side of the moving block 2 is connected to a hydraulic cylinder 3 for adjusting the position, the upper surface of the moving block 2 is fixedly connected to a connecting ring, and one side of the connecting ring is fixedly connected to a mounting plate.

[0011] The utility model further describes that the pneumatic component includes a mounting seat, one side of the mounting seat is fixedly connected to the inner wall of the mounting plate, the outer surface of the mounting seat is fixedly connected to a pneumatic cylinder, the output end of the pneumatic cylinder is fixedly connected to a limiting block, and the connecting end of the pneumatic cylinder is detachably connected to an air pipe. When it is necessary to assist in clamping the parts, the pneumatic cylinder is started and cooperated with the air pipe to drive the pneumatic cylinder to move outward, thereby assisting in reinforcing the clamping of the parts.

[0012] The utility model further describes that the rotating assembly includes a rotating bearing, the input end of the rotating bearing is fixedly connected to the inner wall of the driven gear, the outer surface of the rotating bearing is fixedly connected to the inner wall of the housing, and the output end of the rotating bearing is fixedly connected to a fixing plate, and the outer surface of the fixing plate is provided with a mounting groove. The driving action of the rotating bearing can drive the fixing plate to rotate, thereby facilitating the workpiece to rotate.

[0013] The utility model further illustrates that the clamping assembly includes a second hydraulic cylinder, the base of the second hydraulic cylinder is detachably connected to the inner wall of the fixed plate, the outer surface of the fixed plate is fixedly connected to a limiting groove body, the outer surface of the limiting groove body is fixedly connected to a fixed splint, the output end of the second hydraulic cylinder is detachably connected to a movable splint, the outer surface of the movable splint is slidably connected to the inner wall of the limiting groove body, and by starting the second hydraulic cylinder, the movable splint can be driven to move under the limit of the limiting groove body, thereby cooperating with the fixed splint to clamp the parts.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0015] (1) A hydraulic cylinder 1 is provided, and the housing is driven to move horizontally under the limit of the limit groove by the extension and contraction of the hydraulic cylinder 1. At the same time, the rotation direction of the clamping unit can be changed by cooperating with the starting action of the driven gear, the driving motor and the driving gear, thereby increasing the flexibility of the clamping unit;

[0016] (2) A rotating bearing is provided to rotate under the drive of a driving motor, thereby facilitating the rotation of the fixed plate, thereby facilitating the adjustment of the direction of the parts. When clamping the parts, the fixed clamping plate, the limiting groove body and the movable clamping plate are activated to clamp the parts, so that the clamping unit can adapt to the sizes of different parts;

[0017] (3) An air pipe is provided to introduce gas into the pneumatic cylinder, thereby driving the pneumatic cylinder to extend and retract, driving the limit block to move, thereby assisting in clamping the parts and preventing the parts from moving during the processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a front schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the interior of the housing of the utility model;

[0022] Figure 4 It is a schematic diagram of the clamping unit of the utility model;

[0023] Figure 5 It is a schematic diagram of the positioning unit of the utility model;

[0024] Figure 6 It is a schematic diagram of the starting component of the utility model;

[0025] In the figure: 1. mounting base; 11. limiting groove; 111. positioning hole; 2. driving unit; 21. housing; 22. hydraulic cylinder 1; 23. limiting plate; 24. driven gear; 25. driving motor; 26. driving gear; 27. positioning bolt; 28. moving block 1; 3. positioning unit; 31. moving block 2; 32. connecting ring; 33. mounting plate; 34. air pipe; 35. mounting seat; 36. pneumatic cylinder; 37. limiting block; 4. clamping unit; 41. rotating bearing; 42. fixing plate; 421. mounting groove; 43. hydraulic cylinder 2; 44. limiting groove body; 45. fixing clamp; 46. moving clamp. DETAILED DESCRIPTION

[0026] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0027] See also Figure 1-6 The utility model provides a technical solution: a positioning device based on CNC machine tool part processing, comprising a mounting base 1, a driving unit 2 arranged on the upper surface of the mounting base 1 for auxiliary positioning, a positioning unit 3 arranged on the side of the driving unit 2 for auxiliary clamping, and a clamping unit 4 arranged on the upper surface of the mounting base 1 for clamping, characterized in that a limiting groove 11 is provided on the front side of the mounting base 1, a positioning hole 111 is provided on the inner wall of the limiting groove 11, the driving unit 2 includes a driving component and a limiting component, the positioning unit 3 includes a connecting component and a pneumatic component, and the clamping unit 4 includes a rotating component and a clamping component.

[0028] The utility model further illustrates that the limiting assembly includes a shell 21, the front side of the shell 21 is fixedly connected to a limiting plate 23, the inner wall of the limiting plate 23 is threadedly connected to a positioning bolt 27, one end of the positioning bolt 27 is movably engaged with the inner wall of the positioning hole 111, and when the positioning bolt 27 is engaged with the inner wall of the positioning hole 111, the position of the shell 21 can be reinforced and fixed, the bottom surface of the shell 21 is fixedly connected to a moving block 28, and the bottom surface of the moving block 28 is provided with a roller, and the roller greatly reduces the friction force exerted on the moving block 28 during the movement process through rolling friction, the bottom surface of the roller is slidably connected to the inner wall of the mounting base 1, and the side of the moving block 28 is detachably connected to a hydraulic cylinder 22 detachably connected to the inner wall of the mounting base 1.

[0029] The driving assembly includes a driving motor 25, the bottom surface of which is detachably connected to the bottom surface of the inner wall of the shell 21, and the output end of the driving motor 25 is fixedly connected to a driving gear 26, and the outer surface of the driving gear 26 is meshingly connected to a driven gear 24. By starting the driving motor 25, the driving shaft of the driving motor 25 drives the driving gear 26 to rotate, thereby driving the driven gear 24 to rotate, and finally driving the rotating bearing 41 to rotate.

[0030] The connecting component includes a moving block 2 31, and a hydraulic cylinder 3 for adjusting the position is connected to the side of the moving block 2 31. The position of the moving block 2 31 can be adjusted by extending and retracting the hydraulic cylinder 3, so as to facilitate limiting the processing position of the parts. A connecting ring 32 is fixedly connected to the upper surface of the moving block 2 31, and a mounting plate 33 is fixedly connected to one side of the connecting ring 32.

[0031] The pneumatic component includes a mounting base 35, one side of which is fixedly connected to the inner wall of the mounting plate 33, and the outer surface of the mounting base 35 is fixedly connected to a pneumatic cylinder 36, the output end of the pneumatic cylinder 36 is fixedly connected to a limit block 37, and the connecting end of the pneumatic cylinder 36 is detachably connected to an air pipe 34. By controlling the size of the airflow inside the air pipe 34, the pneumatic cylinder 36 can be controlled to start and retract, thereby facilitating the movement of the limit block 37 to assist in reinforcing and clamping the parts.

[0032] The rotating assembly includes a rotating bearing 41, the input end of the rotating bearing 41 is fixedly connected to the inner wall of the driven gear 24, the outer surface of the rotating bearing 41 is fixedly connected to the inner wall of the shell 21, and the output end of the rotating bearing 41 is fixedly connected to a fixed plate 42. When the driving motor 25 drives the rotating bearing 41 to rotate through the cooperation of the driven gear 24 and the driving gear 26, the fixed plate 42 can be driven to rotate to adjust the position of the parts. An installation groove 421 is provided on the outer surface of the fixed plate 42.

[0033] The clamping assembly includes a hydraulic cylinder 43, the base of which is detachably connected to the inner wall of a fixed plate 42, the outer surface of the fixed plate 42 is fixedly connected to a limiting groove 44, the outer surface of the limiting groove 44 is fixedly connected to a fixed clamping plate 45, and the output end of the hydraulic cylinder 43 is detachably connected to a movable clamping plate 46. By starting the hydraulic cylinder 43 and utilizing the elasticity of the hydraulic cylinder 43, the movable clamping plate 46 can be driven to move, thereby cooperating with the limiting groove 44 to assist in clamping parts, and the outer surface of the movable clamping plate 46 is slidably connected to the inner wall of the limiting groove 44.

[0034] The working principle of this positioning device based on CNC machine tool parts processing is described in detail below.

[0035] like Figure 1-6As shown, when using the positioning device for CNC machine tool part processing, first adjust the position of the moving block 2 31 as needed. To assist in positioning the part, then place the part between the limiting groove 44 and the moving clamp 46, start the hydraulic cylinder 2 43, and use the elasticity of the hydraulic cylinder 2 43 to drive the moving clamp 46 to move, so as to cooperate with the limiting groove 44 to assist in clamping the part, after the clamping is completed, start the hydraulic cylinder 1 22 to drive the housing 21 to move in the horizontal direction, so that it moves to the top of the limiting block 37, and then rotate the positioning bolt 27, and when the positioning bolt 27 is clamped with the inner wall of the positioning hole 111, the position of the housing 21 can be reinforced and fixed, and when the angle of the part needs to be adjusted, start the driving motor 25, and the driving shaft of the driving motor 25 drives the driving gear 26 to rotate, thereby driving the driven gear 24 to rotate, and finally driving the rotating bearing 41 to rotate to adjust the direction of the part.

[0036] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0037] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A positioning device for CNC machine tool part processing, comprising a mounting base (1), a driving unit (2) arranged on the upper surface of the mounting base (1) for assisting positioning, a positioning unit (3) arranged on the side of the driving unit (2) for assisting clamping, and a clamping unit (4) arranged on the upper surface of the mounting base (1) for clamping, characterized in that: The front side of the mounting base (1) is provided with a limiting groove (11), the inner wall of the limiting groove (11) is provided with a positioning hole (111), the driving unit (2) comprises a driving component and a limiting component, the positioning unit (3) comprises a connecting component and a pneumatic component, and the clamping unit (4) comprises a rotating component and a clamping component.

2. A positioning device based on CNC machine tool part processing according to claim 1, characterized in that: The limiting assembly comprises a housing (21), the front surface of the housing (21) being fixedly connected to a limiting plate (23), the inner wall of the limiting plate (23) being threadedly connected to a positioning bolt (27), one end of the positioning bolt (27) being movably engaged with the inner wall of the positioning hole (111), the bottom surface of the housing (21) being fixedly connected to a moving block (28), the bottom surface of the moving block (28) being provided with a roller, the bottom surface of the roller being slidably connected to the inner wall of the mounting base (1), the side surface of the moving block (28) being detachably connected to a hydraulic cylinder (22) detachably connected to the inner wall of the mounting base (1), the driving assembly comprising a driving motor (25), the bottom surface of the driving motor (25) being detachably connected to the bottom surface of the inner wall of the housing (21), the output end of the driving motor (25) being fixedly connected to a driving gear (26), the outer surface of the driving gear (26) being meshingly connected to a driven gear (24).

3. A positioning device based on CNC machine tool part processing according to claim 1, characterized in that: The connection assembly comprises a second moving block (31), the upper surface of the second moving block (31) being fixedly connected to a connecting ring (32), and one side of the connecting ring (32) being fixedly connected to a mounting plate (33).

4. A positioning device based on CNC machine tool part processing according to claim 3, characterized in that: The pneumatic assembly comprises a mounting seat (35), one side of the mounting seat (35) is fixedly connected to the inner wall of the mounting plate (33), the outer surface of the mounting seat (35) is fixedly connected to a pneumatic cylinder (36), the output end of the pneumatic cylinder (36) is fixedly connected to a limit block (37), and the connection end of the pneumatic cylinder (36) is detachably connected to an air pipe (34).

5. The positioning device based on CNC machine tool part processing according to claim 1 is characterized in that: The rotating assembly comprises a rotating bearing (41), the input end of the rotating bearing (41) being fixedly connected to the inner wall of the driven gear (24), the outer surface of the rotating bearing (41) being fixedly connected to the inner wall of the housing (21), and the output end of the rotating bearing (41) being fixedly connected to a fixing plate (42), the outer surface of the fixing plate (42) being provided with a mounting groove (421).

6. A positioning device based on CNC machine tool part processing according to claim 5, characterized in that: The clamping assembly comprises a second hydraulic cylinder (43), the base of the second hydraulic cylinder (43) is detachably connected to the inner wall of a fixed plate (42), the outer surface of the fixed plate (42) is fixedly connected to a limiting groove (44), the outer surface of the limiting groove (44) is fixedly connected to a fixed clamping plate (45), the output end of the second hydraulic cylinder (43) is detachably connected to a movable clamping plate (46), and the outer surface of the movable clamping plate (46) is slidably connected to the inner wall of the limiting groove (44).

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