Multipurpose adjustable mechanical clamp for machining

Abstract

The utility model relates to the technical field of mechanical clamps, and discloses a multipurpose adjustable mechanical clamp for machining, which comprises a rotating hinged support, a connecting screw hole is arranged on the outer wall of the rotating hinged support, and a clamping power arm for driving clamping is arranged on the outer side of the rotating hinged support through the matching of the connecting screw hole and threads. A connecting plate used for being connected with power equipment is installed at the end, away from the rotating hinged support, of the clamping power arm, and a clamping arm used for clamping is installed on the outer wall of the rotating hinged support. According to the multi-purpose adjustable mechanical clamp for machining, the auxiliary clamping arms are controlled to stretch out or retract through the auxiliary clamping device, so that the multi-purpose adjustable mechanical clamp for machining can be suitable for clamping work of part frames of different sizes, and when parts of different diameters are clamped, the clamping power arms and the connecting screw holes can be changed by changing the mounting positions of the clamping power arms and the connecting screw holes; and when small parts are clamped, the ends of the clamping arms can be closer for clamping, and the clamping application range is further widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical clamp technical field, concretely is a multipurpose adjustable mechanical clamp for machining. BACKGROUND

[0002] Mechanical clamp is a kind of fixed equipment used in the process of machining, and the part raw material needing machining is clamped and fixed and clamped and moved by mechanical clamp hand, and the clamping size range of general clamp is fixed, when smaller parts are clamped, smaller clamp needs to be replaced, when larger size clamp is clamped, larger clamp needs to be replaced to carry out clamping work, so that when clamping parts of different sizes, different clamps need to be replaced to work, and the replacement operation is complicated, which is inconvenient for use. UTILITARY MODEL CONTENT

[0003] (I) the technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides a multipurpose adjustable mechanical clamp for machining, which solves the problem that the mechanical clamp is inconvenient to clamp parts of different sizes and needs to replace the clamp to bring inconvenience to use.

[0005] (II) technical scheme

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a multipurpose adjustable mechanical clamp for machining, comprising rotating hinge base, the outer wall of rotating hinge base is provided with connecting screw hole, the outer side of rotating hinge base is installed with the clamping power arm for driving clamping by the cooperation of connecting screw hole and screw thread, one end of clamping power arm away from rotating hinge base is installed with the connecting plate for being connected with power equipment, the outer wall of rotating hinge base is installed with the clamping arm for clamping, one end of clamping arm away from rotating hinge base is provided with the auxiliary clamping device for clamping different size parts.

[0007] Preferably, the auxiliary clamping device comprises an upper positioning seat, a lower positioning seat, a rotating ring, a receiving groove, an auxiliary clamping arm, a control pull rod, a movable cavity, a locking cavity and a locking pin column, the receiving groove is opened at one end of the clamping arm away from the rotating hinge base, the upper positioning seat is installed at one end of the clamping arm away from the rotating hinge base, the lower positioning seat is installed at one end of the clamping arm away from the rotating hinge base, the rotating ring is rotatably installed between the upper positioning seat and the lower positioning seat through bearings, the auxiliary clamping arm is installed on the outer wall of the rotating ring, the auxiliary clamping arm is installed on the outer wall of the rotating ring, the control pull rod is opened at the top of the lower positioning seat, the movable cavity is opened in the inner part of the rotating ring and is located at the position directly above the lower positioning seat, the locking cavity is opened at the top of the lower positioning seat, the locking pin column is movably connected in the inner part of the movable cavity, the bottom end of the locking pin column is inserted into the inner part of the locking cavity, a return spring is installed at the bottom end of the locking cavity, the bottom end of the return spring is connected with the inner wall of the groove at the bottom of the locking cavity, the control pull rod is movably inserted with the top of the upper positioning seat, and the bottom end of the control pull rod penetrates through the upper positioning seat and is installed with the top end of the locking pin column.

[0008] Preferably, the outer wall of the locking pin column is provided with a protrusion, and the inner walls of the locking cavity and the movable cavity are provided with a matched groove.

[0009] Preferably, the depth of the movable cavity is greater than the height of the locking pin column, and the depth of the locking cavity is less than the height of the locking pin column.

[0010] Preferably, the connecting screw holes are opened in three on the outer wall of the rotating hinge base.

[0011] Preferably, the rotating hinge base, the clamping power arm, the clamping arm and the auxiliary clamping device are each provided with two groups, and the two rotating hinge bases are rotatably installed through the cooperation of shaft pins and bearings.

[0012] Compared with the prior art, the utility model provides a multipurpose adjustable mechanical clamp for machining, which has the following beneficial effects:

[0013] 1、The multipurpose adjustable mechanical clamp for machining, through the auxiliary clamping device control auxiliary clamping arm extends or retracts, thereby can be applicable to different size's part frame clamping work, and when clamping different diameter's parts, can change the installation position of clamping power arm and connecting screw hole, so that when clamping smaller parts, the end of clamping arm can be more close to clamping, further improve the application range of clamping.

[0014] 2、The multipurpose adjustable mechanical machining mechanical clamp, the auxiliary clamping device is simple in operation, convenient to use, and in the process of adjusting, the angle of the auxiliary clamping arm can be adjusted according to the diameter of the part, so that the contact effect of the clamping arm and the auxiliary clamping arm with the surface of the part can be improved when clamping, and the stability of clamping can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model side surface;

[0017] Figure 3 It is a structural schematic diagram of the auxiliary clamping device inside the utility model.

[0018] Wherein: 1, rotating hinge base; 2, connecting screw hole; 3, clamping power arm; 4, connecting plate; 5, clamping arm; 6, auxiliary clamping device; 61, upper locating seat; 62, lower locating seat; 63, rotating ring; 64, storage groove; 65, auxiliary clamping arm; 66, control pull rod; 67, movable cavity; 68, locking cavity; 69, locking pin; 70, return spring. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-2 The utility model provides a kind of multipurpose adjustable mechanical machining mechanical clamp, including rotating hinge base 1, rotating hinge base 1 outer wall is equipped with connecting screw hole 2, rotating hinge base 1 outer side is equipped with the clamping power arm 3 for driving clamping by the cooperation of connecting screw hole 2 and screw thread, clamping power arm 3 is equipped with the connecting plate 4 for being connected with power equipment at the end away from rotating hinge base 1, rotating hinge base 1 outer wall is equipped with the clamping arm 5 for clamping, clamping arm 5 is equipped with the auxiliary clamping device 6 for clamping to different size parts at the end away from rotating hinge base 1.

[0021] Further, the auxiliary clamping device 6 comprises an upper positioning seat 61, a lower positioning seat 62, a rotating ring 63, a receiving groove 64, an auxiliary clamping arm 65, a control pull rod 66, a movable cavity 67, a locking cavity 68 and a locking pin column 69. The receiving groove 64 is opened at one end of the clamping arm 5 away from the rotating hinge base 1. The upper positioning seat 61 is installed at one end of the clamping arm 5 away from the rotating hinge base 1. The lower positioning seat 62 is installed at one end of the clamping arm 5 away from the rotating hinge base 1. The rotating ring 63 is rotatably installed between the upper positioning seat 61 and the lower positioning seat 62 through bearings. The auxiliary clamping arm 65 is installed on the outer wall of the rotating ring 63. The auxiliary clamping arm 65 is installed on the outer wall of the rotating ring 63. The control pull rod 66 is opened at the top of the lower positioning seat 62. The movable cavity 67 is opened in the interior of the rotating ring 63 and located at the position directly above the lower positioning seat 62. The locking cavity 68 is opened at the top of the lower positioning seat 62. The locking pin column 69 is movably connected in the interior of the movable cavity 67. The bottom end of the locking pin column 69 is inserted into the interior of the locking cavity 68. The reset spring 70 is installed at the bottom end of the locking cavity 68. The bottom end of the reset spring 70 is connected with the inner wall of the groove opened at the bottom of the locking cavity 68. The control pull rod 66 is movably inserted into the top of the upper positioning seat 61. The bottom end of the control pull rod 66 penetrates through the upper positioning seat 61 and is installed at the top end of the locking pin column 69.

[0022] Further, the outer wall of the locking pin column 69 is provided with a protrusion. The inner walls of the locking cavity 68 and the movable cavity 67 are provided with a groove matched therewith.

[0023] Further, the depth of the movable cavity 67 is greater than the height of the locking pin column 69. The depth of the locking cavity 68 is less than the height of the locking pin column 69.

[0024] Further, the connecting screw hole 2 is opened at three positions on the outer wall of the rotating hinge base 1.

[0025] Further, the rotating hinge base 1, the clamping power arm 3, the clamping arm 5 and the auxiliary clamping device 6 are each provided with two groups. The two rotating hinge bases 1 are rotatably installed through the cooperation of shaft pins and bearings.

[0026] In use, the connecting plate 4 is connected with the driving device through the connecting pin, the connecting plate 4 is pushed outward by the determining device to open, the connecting plate 4 drives the rotary hinge base 1 to rotate through the clamping power arm 3, the rotating directions of the two connecting plates 4, the clamping power arm 3 and the rotary hinge base 1 are opposite, so that the two clamping arms 5 move to the opposite direction to open, and then are clamped outside the cylindrical part to be clamped, then the two connecting plates 4 are driven to move close, the two connecting plates 4 drive the two clamping arms 5 to move close to clamp through the cooperation of the clamping power arm 3 and the rotary hinge base 1, when the smaller size part is clamped, the control pull rod 66 is pulled upward, the control pull rod 66 drives the bottom end of the locking pin column 69 to move out of the locking cavity 68 and enter the inside of the movable cavity 67, the locking pin column 69 contacts the fixed limit between the lower positioning seat 62 and the rotary ring 63, then the auxiliary clamping arm 65 is pushed to drive the rotary ring 63 to rotate, the auxiliary clamping arm 65 adjusts the included angle between the auxiliary clamping arm 65 and the clamping arm 5, adjusts the size of the clamping opening between the clamping arm 5 and the auxiliary clamping arm 65 to adapt to the clamping work of different sizes of raw materials, after the adjustment is completed, the control pull rod 66 is pressed downward, the locking pin column 69 is pushed by the control pull rod 66 and inserted into the inside of the locking cavity 68 from the inside of the movable cavity 67, the locking pin column 69 is inserted into the inside of the movable cavity 67 and the locking cavity 68 at the same time, so as to clamp and fix between the lower positioning seat 62 and the rotary ring 63, so as to fix the angle of the auxiliary clamping arm 65 through the rotary ring 63, complete the adjustment, then the connecting plate 4 and the clamping power arm 3 are driven to deflect by the external power equipment to drive the rotary hinge base 1 to rotate, the rotary hinge base 1 drives the clamping arm 5 to rotate to realize the clamping work.

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

Claims

1. Multi-purpose adjustable mechanical jig for machining, comprising a rotating hinge seat (1), characterized in that: The outer wall of the rotating hinge base (1) is provided with a connecting screw hole (2), the outer side of the rotating hinge base (1) is provided with a clamping power arm (3) for driving clamping through the cooperation of the connecting screw hole (2) and the screw thread, one end of the clamping power arm (3) away from the rotating hinge base (1) is provided with a connecting plate (4) for connecting with a power device, the outer wall of the rotating hinge base (1) is provided with a clamping arm (5) for clamping, one end of the clamping arm (5) away from the rotating hinge base (1) is provided with an auxiliary clamping device (6) for clamping parts of different sizes.

2. A multi-purpose adjustable mechanical jig for machining as claimed in claim 1, wherein: The auxiliary clamping device (6) comprises an upper positioning seat (61), a lower positioning seat (62), a rotating ring (63), a receiving groove (64), an auxiliary clamping arm (65), a control pull rod (66), a movable cavity (67), a locking cavity (68) and a locking pin column (69), the receiving groove (64) is arranged at one end of the clamping arm (5) away from the rotating hinge base (1), the upper positioning seat (61) is arranged at one end of the clamping arm (5) away from the rotating hinge base (1), the lower positioning seat (62) is arranged at one end of the clamping arm (5) away from the rotating hinge base (1), the rotating ring (63) is rotatably arranged between the upper positioning seat (61) and the lower positioning seat (62) through a bearing, the auxiliary clamping arm (65) is arranged on the outer wall of the rotating ring (63), the control pull rod (66) is arranged at the top of the lower positioning seat (62), the movable cavity (67) is arranged in the inner part of the rotating ring (63) and located above the lower positioning seat (62), the locking cavity (68) is arranged at the top of the lower positioning seat (62), the locking pin column (69) is movably connected in the inner part of the movable cavity (67), the bottom end of the locking pin column (69) is inserted into the inner part of the locking cavity (68), a reset spring (70) is arranged at the bottom end of the locking cavity (68), the bottom end of the reset spring (70) is connected with the inner wall of the bottom recess of the locking cavity (68), the control pull rod (66) is movably connected with the top of the upper positioning seat (61), and the bottom end of the control pull rod (66) penetrates through the upper positioning seat (61) and is connected with the top end of the locking pin column (69).

3. A multi-purpose adjustable mechanical jig for machining as claimed in claim 2, wherein: The outer wall of the locking pin column (69) is provided with a protrusion, and the inner walls of the locking cavity (68) and the movable cavity (67) are provided with matching grooves.

4. A multi-purpose adjustable mechanical jig for machining as claimed in claim 2, wherein: The depth of the movable cavity (67) is greater than the height of the locking pin column (69), and the depth of the locking cavity (68) is less than the height of the locking pin column (69).

5. A multi-purpose adjustable mechanical jig for machining as claimed in claim 1, wherein: The connecting screw hole (2) is arranged on the outer wall of the rotating hinge base (1) in three groups.

6. A multi-purpose adjustable mechanical jig for machining as claimed in claim 1, wherein: The rotating hinge base (1), the clamping power arm (3), the clamping arm (5) and the auxiliary clamping device (6) are each provided with two groups, and the two rotating hinge bases (1) are rotatably connected through the cooperation of a shaft pin and a bearing.

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