Automatic flat tongs clamp for numerical control milling machine

Abstract

The utility model relates to the technical field of flat tongs clamps, and discloses an automatic flat tongs clamp for a numerical control milling machine, which comprises a base, a fixed plate, a fixed frame and a fixed jaw are sequentially arranged above the base, a stepping motor is fixed on one side of the fixed frame, an output shaft of the stepping motor is connected with a threaded rod, a movable seat is arranged below the fixed frame, and the movable seat is connected with the fixed jaw. The threaded rod is in threaded connection with the moving seat, the top end of the moving seat extends to the position above the fixing frame and is fixedly connected with a mounting plate, containing grooves are formed in the two sides of the interior of the mounting plate, rotating blocks are arranged in the containing grooves, and the rotating blocks are connected with locking blocks through connecting rods; the movable jaw is provided with two sets of locking grooves matched with the locking blocks, and the top ends of the locking blocks extend to the positions above the locking grooves in a one-to-one correspondence mode and are used for locking the movable jaw. The flat tongs clamp is easy to operate and convenient and fast to use, and movable jaws of different types can be replaced conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to flat mouthed pliers fixture technical field, especially in numerical control milling machine is with automatic flat mouthed pliers fixture. BACKGROUND

[0002] Flat mouthed pliers are clamping tools commonly used in mechanical processing, and are suitable for tooling clamping during processing of various small and medium mechanical parts. They are commonly used in drilling and milling processing of bench workers, etc. By rotating the handle, the screw rod is driven to rotate, and then the nut and the movable jaw are moved. When the movable jaw approaches the fixed jaw, the workpiece is clamped. When the rotating handle moves the movable jaw away from the fixed jaw, the workpiece is released.

[0003] However, the existing flat mouthed pliers fixture (such as: a three-coordinate flat mouthed pliers fixture disclosed in Chinese patent authorization announcement No. CN219465993U) usually adopts a fixed type of jaw during use. The movable jaw is not convenient to replace, and cannot adapt to the clamping of different workpieces.

[0004] Therefore, it is urgent to provide a new type of flat mouthed pliers fixture to facilitate the replacement of the movable jaw, and to adapt to different workpiece clamping requirements. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of automatic flat mouthed pliers fixture for numerical control milling machine to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automatic flat mouthed pliers fixture for numerical control milling machine, comprising a fixed plate and a base, the fixed plate is fixed on one side of the top end of the base, the top end of the base is fixed with a fixed frame, one side of the fixed frame is fixed with a fixed jaw, the bottom end of the fixed jaw is fixed with the top end of the base, one side of the fixed plate is fixed with a stepping motor, the inside of the fixed frame is rotatably connected with a threaded rod, the output shaft of the stepping motor is connected with the threaded rod, the outside of the threaded rod is sleeved with a moving seat, the inside of the moving seat is provided with a threaded hole matched with the threaded rod, the top end of the moving seat extends above the fixed frame and is fixedly connected with a mounting plate, the top end of the mounting plate is connected with a movable jaw, both sides of the inside of the mounting plate are provided with containing grooves, the containing grooves are provided with rotating blocks, the top end of the rotating block is fixed with a connecting rod, the top end of the connecting rod is fixed with a locking block, two groups of locking grooves are provided on the movable jaw, the top end of the locking block extends above the locking groove one by one, for locking the movable jaw.

[0007] Preferably, the two sides of the base are fixed with guide blocks, and the two sides of the moving seat are provided with guide grooves matched with the guide blocks.

[0008] Further preferably, the width of the guide groove matches the width of the guide block, and the guide block is symmetrically arranged about the central axis of the moving seat.

[0009] Further preferably, the threaded rod is provided with a guide rod parallel thereto on each side, the guide rod penetrates the moving seat, and the two ends of the guide rod are connected with the fixed frame and the fixed jaw respectively.

[0010] Further preferably, the top end of the mounting plate is uniformly provided with a positioning groove, and the bottom end of the movable jaw is provided with a positioning block corresponding to the positioning groove.

[0011] Further preferably, the size of the positioning groove matches the size of the positioning block, and the positioning block and the positioning groove are each provided with four groups.

[0012] Further preferably, the rotating block is adapted to the containing groove, and the cross section of the rotating block and the containing groove is convex.

[0013] The automatic flat jaw clamp for numerical control milling machines realizes the functions of facilitating replacement of the movable jaw and facilitating guided installation of the movable jaw.

[0014] By designing the movable jaw and the mounting plate into an assembled structure, when the movable jaw needs to be disassembled during use, the locking block and the locking groove are in a mutually perpendicular locking state, the locking block is rotated to drive the rotating block to rotate in the containing groove, so that the locking block and the locking groove are in a mutually parallel state, that is, the movable jaw and the mounting plate are quickly unlocked, the operation is simple, the use is convenient, different styles of movable jaws can be conveniently replaced, the assembly time is saved, the use convenience is improved, the application range of the clamp is expanded, the cost is reduced, the practicality and flexibility of the clamp are enhanced, and the reverse operation can be performed during installation.

[0015] By providing the positioning block and the positioning groove, when the movable jaw needs to be installed during use, the positioning block and the positioning groove can achieve the purpose of quick alignment during installation, so as to facilitate the guided installation of the movable jaw, thereby improving the installation convenience. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 The structure diagram of the automatic flat jaw clamp for numerical control milling machines provided by the present application is shown in the figure.

[0018] Figure 2 The three-dimensional section structure schematic diagram of the automatic flat mouth clamp for numerical control milling machine is provided by the utility model;

[0019] Figure 3 It is the locking state diagram of the mounting plate and the movable jaw;

[0020] Figure 4 It is the three-dimensional section structure schematic diagram of the mounting plate;

[0021] Figure 5 It is the structure schematic diagram of the movable jaw.

[0022] The figure mark explanation: 1, movable jaw; 2, fixed frame; 3, fixed plate; 4, step motor; 5, guide block; 6, moving seat; 7, guide groove; 8, fixed jaw; 9, threaded hole; 10, threaded rod; 11, guide rod; 12, base; 13, mounting plate; 14, locking groove; 15, locking block; 16, connecting rod; 17, positioning groove; 18, rotating block; 19, containing groove; 20, positioning block. 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0025] Embodiment one

[0026] In order to solve the problem that the movable jaw is inconvenient to replace in the prior art, the embodiment discloses the following scheme, such as Figure 1 、 Figure 3 、 Figure 4 And Figure 5As shown in the figure, an automatic flat mouth clamp for numerical control milling machine comprises a fixed plate 3, a base 12, the fixed plate 3 is fixed on one side of the top end of the base 12, the top end of the base 12 is fixed with a fixed frame 2, and one side of the fixed frame 2 is fixed with a fixed jaw 8, the bottom end of the fixed jaw 8 is fixed with the top end of the base 12, one side of the fixed plate 3 is fixed with a stepping motor 4, the inside of the fixed frame 2 is rotatably connected with a threaded rod 10, the output shaft of the stepping motor 4 is connected with the threaded rod 10, the outside of the threaded rod 10 is sleeved with a moving seat 6, the inside of the moving seat 6 is provided with a threaded hole 9, the threaded hole 9 is threadedly connected with the threaded rod 10, the top end of the moving seat 6 extends above the fixed frame 2 and is fixed with a mounting plate 13, the top end of the mounting plate 13 is uniformly provided with a positioning groove 17, the bottom end of the movable jaw 1 is uniformly fixed with a positioning block 20, the positioning block 20 is connected with the positioning groove 17 in a matched mode, the size of the positioning groove 17 is matched with the size of the positioning block 20, the positioning block 20 and the positioning groove 17 are provided in four groups, the top end of the mounting plate 13 is connected with the movable jaw 1, the inside of the mounting plate 13 is provided on both sides with a containing groove 19, the inside of the containing groove 19 is rotatably provided with a rotating block 18, the rotating block 18 is matched with the containing groove 19, the cross section of the rotating block 18 and the containing groove 19 is convex, the top end of the rotating block 18 is fixed with a connecting rod 16, the top end of the connecting rod 16 is fixed with a locking block 15, the bottom end of one side of the movable jaw 1 is provided with two groups of locking grooves 14, the top end of the locking block 15 extends above the locking groove 14 in a one-to-one correspondence, and is used for locking the movable jaw 1.

[0027] In this embodiment, when in use (without disassembling the movable jaw), the locking block 15 and the locking groove 14 are in a state of mutual vertical locking, then the locking block 15 is rotated to drive the rotating block 18 to rotate in the containing groove 19, so that the locking block 15 and the locking groove 14 are in a state of mutual parallelism, at this time, the movable jaw 1 and the mounting plate 13 can be quickly unlocked to facilitate the replacement of different styles of movable jaws 1, save assembly time, reduce cost, and when installing the movable jaw, reverse operation is performed and the movable jaw 1 is quickly positioned and installed through the action of the positioning block 20 and the positioning groove 17.

[0028] Embodiment two

[0029] The difference between this embodiment and embodiment one is that a guide structure is arranged to assist the movement of the moving seat 6, specifically, as shown in Figure 1 and Figure 2 the two sides of the base 12 are fixed with guide blocks 5, the two sides of the inside of the moving seat 6 are respectively provided with guide grooves 7 matched with the guide blocks 5, the width of the guide groove 7 is matched with the width of the guide block 5, the guide blocks 5 are symmetrically arranged about the central axis of the moving seat 6, the two sides of the threaded rod 10 are provided with guide rods 11 parallel to the threaded rod 10, the guide rods 11 penetrate the moving seat 6, and the two ends of the guide rods 11 are connected with the fixed frame 2 and the fixed jaw 8.

[0030] In this embodiment, when in use, the step motor 4 is started to drive the threaded rod 10 to rotate, and then the moving seat 6, the mounting plate 13 and the upper movable jaw 1 are driven to move, so as to realize clamping of the workpiece; in addition, the guiding block 5, the guide groove 7 and the guide rod 11 can realize multiple guiding and limiting purposes, so that the moving seat is not easy to deviate and shake during movement, and the stability and accuracy of the overall movement are improved.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic flat facing clamp for a numerical control milling machine, characterized by, The utility model relates to a kind of movable jaw and fixed jaw locking device, including: Fixed plate (3) and pedestal (12), the fixed plate (3) is fixed in the top of pedestal (12) one side, the top of pedestal (12) is fixed with fixed frame (2), one side of fixed frame (2) is fixed with fixed jaw (8), the bottom end of fixed jaw (8) and the top of pedestal (12) are fixed, one side of fixed plate (3) is fixed with step motor (4), the inside rotation of fixed frame (2) is connected with threaded rod (10), the output shaft of step motor (4) is connected with threaded rod (10), the outside of threaded rod (10) is equipped with moving seat (6), the inside of moving seat (6) is provided with screw hole (9) with the cooperation of threaded rod (10), the top of moving seat (6) extends to the above of fixed frame (2) and is fixedly connected with mounting plate (13), the top of mounting plate (13) is connected with movable jaw (1), both sides in the inside of mounting plate (13) are provided with containing groove (19), containing groove (19) is provided with rotating block (18) in, the top of rotating block (18) is fixed with connecting rod (16), the top of connecting rod (16) is fixed with locking block (15), movable jaw (1) is provided with two groups of locking groove (14), the top of locking block (15) one one corresponds to extend to the above of locking groove (14), for locking movable jaw (1).

2. The automatic vise fixture for a CNC milling machine according to claim 1, characterized in that: The both sides of pedestal (12) are fixed with guide block (5), and the both sides of moving seat (6) are provided with guide groove (7) matched with the guide block (5) respectively.

3. The automatic vise fixture for a CNC milling machine according to claim 2, characterized in that: The width of guide groove (7) matches the width of guide block (5), and the guide block (5) is symmetrically arranged about the central axis of moving seat (6).

4. The automatic vise fixture for a CNC milling machine according to claim 1, characterized in that: The both sides of threaded rod (10) are provided with guide rod (11) parallel thereto, the guide rod (11) penetrates moving seat (6), and the both ends of guide rod (11) are connected with fixed frame (2) and fixed jaw (8) respectively.

5. The automatic vise fixture for a CNC milling machine according to claim 1, characterized in that: The top of mounting plate (13) is uniformly provided with positioning groove (17), and the bottom end of movable jaw (1) is provided with positioning block (20) corresponding to the positioning groove (17).

6. The automatic vise fixture for a CNC milling machine according to claim 5, characterized in that: The size of positioning groove (17) matches the size of positioning block (20), and the positioning block (20) and positioning groove (17) are provided with four groups.

7. The automatic vise fixture for a CNC milling machine according to claim 1, characterized in that: The rotating block (18) is matched with the containing groove (19), and the cross section of the rotating block (18) and the containing groove (19) is convex.

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