Universal fixture for part machining

Abstract

The utility model relates to the technical field of clamps, and discloses a part machining universal clamp which comprises a clamping seat, the clamping seat is of a U-shaped structure, multiple sets of sleeves are inserted into the two sides of the opening end of the clamping seat, telescopic rods are arranged in the sleeves in a sleeved mode, and one ends of the telescopic rods are slidably connected with the inner walls of the sleeves in a sealed mode. A workpiece to be clamped is placed in the clamping base, then the moving mechanism is used for driving the sleeve and the telescopic rod to be close to the side wall of the workpiece, when the telescopic rod makes contact with the side wall of the workpiece and the moving mechanism drives the sleeve to continue to move, the sleeve and the telescopic rod move relatively, the spring is lengthened, and the workpiece is clamped. Counter-acting force is formed on the telescopic rod, so that the telescopic rod abuts against the workpiece, and the workpiece is fixed; when the shape of the side wall of the workpiece is irregular, the sleeve and the telescopic rod can relatively move to different degrees according to the concave-convex shape of the side wall of the workpiece, and therefore the irregular workpiece can be clamped.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of clamps, in particular to a universal clamp for part machining. BACKGROUND

[0002] The main purpose of part machining clamping is to ensure the stability and precision of a workpiece in a machining process. Through clamping, the workpiece can be well supported, so that machining precision and surface quality are guaranteed. At present, a workpiece is clamped through a mechanical device, mainly in the ways of chuck clamping and elastic clamping, etc. However, the existing clamp is not stable enough when clamping irregular parts, and has low applicability. Therefore, the universal clamp for part machining is proposed. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problem that the existing clamp is not stable enough when clamping irregular parts and has low applicability, the application provides a universal clamp for part machining.

[0004] The universal clamp for part machining provided by the application adopts the following technical scheme:

[0005] A universal clamp for part machining, comprising a clamp seat, the clamp seat is provided in a U-shaped structure, and a plurality of groups of sleeves are inserted and assembled on both sides of the open end of the clamp seat, a telescopic rod is sleeved in each sleeve, one end of the telescopic rod is in sliding sealing connection with the inner wall of the sleeve, a spring is sleeved on the outer surface of the telescopic rod, one end of the spring is fixedly connected with the inner surface of the sleeve, and the other end of the spring is fixedly connected with the end of the telescopic rod, and the sleeves on the same side are connected with the clamp seat through a moving mechanism.

[0006] Preferably, the moving mechanism comprises a connecting plate, the connecting plate is arranged outside the open end of the clamp seat, and the connecting plate is fixedly connected with the sleeves on the same side, first electric push rods are fixedly connected on both sides of the connecting plate, and the fixed ends of the first electric push rods are fixedly connected with the outer surface of the clamp seat.

[0007] Preferably, box bodies are fixedly connected on both sides of the upper surface of the clamp seat, connecting pipes are fixedly and penetratingly connected on the sides of the outer surfaces of the sleeves away from the telescopic rods, the connecting pipes are penetratingly connected with the box bodies on the same side, a push plate is installed in the box body in cooperation, a second electric push rod is fixedly installed on the upper surface of the box body, and the telescopic end of the second electric push rod is fixedly connected with the push plate.

[0008] Preferably, a sealing strip is sleeved on the outer surface of the push plate, and the push plate is in sliding sealing cooperation with the inner surface of the box body.

[0009] Preferably, fixed bolts are inserted and assembled at the four corners of the clamp seat, and the clamp seat is installed on the workbench surface through the fixed bolts.

[0010] To sum up, the present application includes the following beneficial technical effects:

[0011] The utility model discloses a workpiece is placed in the inside of clamping seat, then utilize the moving mechanism to drive sleeve and telescopic link to be close to the lateral wall of workpiece, when telescopic link contacts the lateral wall of workpiece, the moving mechanism drives sleeve to continue moving, and sleeve and telescopic link move relatively, and spring is lengthened, and the reaction force is formed to telescopic link, makes telescopic link and tightly presses workpiece to realize the fixation of workpiece, when the lateral wall shape of workpiece is irregular, sleeve and telescopic link can occur the relative movement of different degrees according to the concave-convex shape of the lateral wall of workpiece, thereby can clamp irregular workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structural schematic diagram of the whole of application embodiment;

[0013] Figure 2 It is the partial section view of application embodiment;

[0014] Figure 3 It is the application embodiment Figure 2 The enlarged view of A in application embodiment.

[0015] Fig. 1 is a clamping seat;2, fixed bolt;3, connecting plate;4, first electric push rod;5, box;6, telescopic link;7, sleeve;8, connecting pipe;9, push plate;10, second electric push rod;11, spring. DETAILED DESCRIPTION

[0016] The following will be attached Figures 1-3 The application is further described in detail.

[0017] The application embodiment discloses a kind of part machining general fixture, including clamping seat 1, clamping seat 1 is set to U type structure, and multiple sets of sleeve 7 are inserted and equipped in the both sides of the open end of clamping seat 1, telescopic link 6 is all sleeved in the inside of sleeve 7, and one end of telescopic link 6 is slidably and sealingly connected with the inner wall of sleeve 7, spring 11 is sleeved on the outer surface of telescopic link 6, one end of spring 11 is fixedly connected with the inner surface of sleeve 7, the other end of spring 11 is fixedly connected with the end of telescopic link 6, sleeve 7 in the same side is connected with clamping seat 1 by setting moving mechanism.

[0018] In the embodiment, the workpiece to be clamped is placed in the inside of clamping seat 1, then sleeve 7 and telescopic link 6 are driven by the moving mechanism to approach the lateral wall of workpiece, when telescopic link 6 contacts the lateral wall of workpiece, sleeve 7 and telescopic link 6 move relatively when the moving mechanism drives sleeve 7 to continue moving, spring 11 is lengthened, and the reaction force is formed to telescopic link 6, makes telescopic link 6 and tightly presses workpiece, to realize the fixation of workpiece, when the lateral wall shape of workpiece is irregular, sleeve 7 and telescopic link 6 can occur the relative movement of different degrees according to the concave-convex shape of the lateral wall of workpiece, thereby can clamp irregular workpiece.

[0019] Further, the moving mechanism each comprises a connecting plate 3 arranged outside the opening end of the clamping seat 1, and the connecting plate 3 is fixedly connected with the sleeve 7 on the same side, and the two sides of the connecting plate 3 are fixedly connected with the first electric push rod 4, and the fixed end of the first electric push rod 4 is fixedly connected with the outer surface of the clamping seat 1.

[0020] In the embodiment, the sleeve 7 and the telescopic rod 6 can be driven to move by driving the first electric push rod 4 to stretch and retract, so that the workpiece is clamped.

[0021] Further, the upper surface of the clamping seat 1 is fixedly connected with the box body 5 on the two sides, the outer surface of the sleeve 7 is fixedly and penetratingly connected with the connecting pipe 8 away from the telescopic rod 6, the connecting pipe 8 is penetratingly connected with the box body 5 on the same side, the box body 5 is internally and cooperatively installed with the push plate 9, the upper surface of the box body 5 is fixedly installed with the second electric push rod 10, and the telescopic end of the second electric push rod 10 is fixedly connected with the push plate 9.

[0022] Further, the outer surface of the push plate 9 is sleeved with a sealing strip, and the push plate 9 is slidingly and sealingly matched with the inner surface of the box body 5.

[0023] In the embodiment, the box body 5 is used for containing hydraulic oil, the hydraulic oil can flow back and forth between the box body 5 and the sleeve 7 through the connecting pipe 8, the hydraulic oil can provide support force for the telescopic rod 6, the telescopic rod 6 is more stable, the push plate 9 can be driven to move downward by the second electric push rod 10, the push plate 9 can press the hydraulic oil in the box body 5, the hydraulic oil in the box body 5 can enter the inside of the sleeve 7 through the connecting pipe 8, the push plate 9 can suck the hydraulic oil in the sleeve 7 into the box body 5 by driving the push plate 9 to move upward by the second electric push rod 10.

[0024] Further, the clamping seat 1 is inserted with the fixing bolt 2 at the four corners, and the clamping seat 1 is installed on the workbench surface through the fixing bolt 2.

[0025] In the embodiment, the fixing bolt 2 is arranged, so that the clamping seat 1 can be installed.

[0026] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0027] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0028] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

[0029] The above are the preferred embodiments of the present application, and are not limited by the scope of protection of the present application, therefore: any equivalent changes made in accordance with the structure, shape, principle of the present application, should be covered within the scope of protection of the present application.

Claims

1. A general-purpose jig for machining a part, comprising a jig base (1), characterized by, The clamping base (1) is provided as a U-shaped structure, and a plurality of groups of sleeves (7) are inserted on both sides of the open end of the clamping base (1), the sleeves (7) are sleeved with telescopic rods (6) inside, one end of the telescopic rod (6) is in sliding sealing connection with the inner wall of the sleeve (7), a spring (11) is sleeved on the outer surface of the telescopic rod (6), one end of the spring (11) is fixedly connected with the inner surface of the sleeve (7), and the other end of the spring (11) is fixedly connected with the end of the telescopic rod (6), and the sleeves (7) on the same side are connected with the clamping base (1) through the setting of a moving mechanism.

2. The general-purpose jig for machining a part according to claim 1, characterized by The moving mechanism comprises a connecting plate (3), the connecting plate (3) is arranged outside the open end of the clamping base (1), and the connecting plate (3) is fixedly connected with the sleeve (7) on the same side, and the connecting plate (3) is fixedly connected with the first electric push rod (4) on both sides.

3. The general-purpose jig for machining a part according to claim 2, characterized by The upper surface of the clamping base (1) is fixedly connected with a box body (5) on both sides, the outer surface of the sleeve (7) is fixedly and penetratingly connected with a connecting pipe (8) away from the telescopic rod (6) on one side, the connecting pipe (8) is penetratingly connected with the box body (5) on the same side, a push plate (9) is fitted and installed in the box body (5), and a second electric push rod (10) is fixedly installed on the upper surface of the box body (5), and the telescopic end of the second electric push rod (10) is fixedly connected with the push plate (9).

4. The general-purpose jig for machining a part according to claim 3, characterized by The outer surface of the push plate (9) is sleeved with a sealing strip, and the push plate (9) is in sliding sealing cooperation with the inner surface of the box body (5).

5. The general-purpose jig for machining a part according to claim 1, wherein The clamping base (1) is provided as a U-shaped structure, and a plurality of groups of sleeves (7) are inserted on both sides of the open end of the clamping base (1), the sleeves (7) are sleeved with telescopic rods (6) inside, one end of the telescopic rod (6) is in sliding sealing connection with the inner wall of the sleeve (7), a spring (11) is sleeved on the outer surface of the telescopic rod (6), one end of the spring (11) is fixedly connected with the inner surface of the sleeve (7), and the other end of the spring (11) is fixedly connected with the end of the telescopic rod (6), and the sleeves (7) on the same side are connected with the clamping base (1) through the setting of a moving mechanism. The moving mechanism comprises a connecting plate (3), the connecting plate (3) is arranged outside the open end of the clamping base (1), and the connecting plate (3) is fixedly connected with the sleeve (7) on the same side, and the connecting plate (3) is fixedly connected with the first electric push rod (4) on both sides.

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