Floating clamping hand structure

Abstract

The utility model discloses a floating clamping hand structure, which particularly relates to the technical field of numerical control drills and comprises a fixed seat, an upper clamping plate horizontally arranged at the upper end of one side of the fixed seat, a lower clamping plate horizontally arranged on one side of the fixed seat and positioned below the upper clamping plate, and a driving mechanism arranged below the lower clamping plate and positioned on one side of the fixed seat. The plate loosening device has the technical effects and advantages that the driving mechanism is arranged, so that the upper clamping plate and the lower clamping plate can move up and down conveniently, when the plate is loosened, the lower clamping plate moves downwards by three to five millimeters to be lower than an air floatation table top, the plate is loosened, the plate is loosened, and the plate is prevented from being rubbed when the plate is loosened. The lower clamping plate is prevented from rubbing the plate when moving, so that the position of the plate is prevented from deviating; the anti-skid cushion blocks are mounted in the mounting grooves, so that the friction force between the upper clamping plate and the lower clamping plate can be increased when the upper clamping plate and the lower clamping plate clamp the plate, and meanwhile, the plate can be prevented from being damaged due to overlarge plate clamping force through buffering of the anti-skid cushion blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control drilling technical field more specifically, the utility model relates to a kind of floating clamping hand structure. BACKGROUND

[0002] When the numerical control drilling is carried out to the processing of plate, in order to improve the stability of plate processing process, it is usually necessary to clamp and fix plate by clamping structure.

[0003] At present, various numerical control drilling clamping structures on the market are all fixed plate fixed structure under cylinder, cannot meet the avoidance of plate when clamping hand moves, is prone to cause plate to be rubbed after loosening plate, the movement of clamping plate, cause the position of plate to be offset, affect normal processing of plate. UTILITARY MODEL

[0004] In order to overcome the above-mentioned defects of prior art, the embodiment of the utility model provides a kind of floating clamping hand structure to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: including: fixed seat, the upper clamping plate is horizontally arranged on the one side upper end of the fixed seat, the lower clamping plate is horizontally arranged below the upper clamping plate on the one side of the fixed seat, the driving mechanism is arranged on the one side below the lower clamping plate of the fixed seat, the driving mechanism is used to avoid rubbing plate when loosening plate, the fixed plate is fixedly connected to the bottom surface of the fixed seat.

[0006] In a preferred embodiment, the driving mechanism includes a clamping hand cylinder fixedly connected to the bottom surface of the lower clamping plate, a cylinder rod on the clamping hand cylinder is fixedly connected to the bottom surface of the upper clamping plate by penetrating the lower clamping plate, the cylinder rod on the clamping hand cylinder is slidably connected to the lower clamping plate, two floating cylinders are vertically arranged on the both ends of the one side of the fixed seat close to the lower clamping plate, two gas cylinder seats are horizontally arranged on the bottom surface of the two floating cylinders, the gas cylinder seat is fixedly connected to the side wall of the fixed seat on the one side, the top surface of the gas cylinder seat is fixedly connected to the bottom surface of the two floating cylinders, the top end of the cylinder rod on the two gas cylinder seats is fixedly connected to the bottom surface of the upper clamping plate, and the side wall of the cylinder rod on the two gas cylinder seats is fixedly connected to the one side of the lower clamping plate.

[0007] In a preferred embodiment, the upper clamping plate is vertically fixedly connected with a sliding rod at the middle end of the one side close to the fixed seat, a sliding groove is vertically arranged on the one side of the fixed seat at the opposite position of the sliding rod, the sliding rod and the sliding groove are matched with each other, and the sliding rod is slidably connected in the sliding groove.

[0008] In a preferred embodiment, the top of the one side of the fixed seat is fixedly connected with two L-shaped limiting blocks at both ends, and the top surface of the one end of the lower clamping plate close to the fixed seat is contactly connected with the bottom surface of the two L-shaped limiting blocks.

[0009] In a preferred implementation form, a motor is arranged below the fixing plate, the motor is fixedly connected to the numerical control drill body, a speed reducer is arranged at the output end of the motor, and the speed reducer is arranged on the bottom surface of the fixing plate.

[0010] In a preferred implementation form, mounting grooves are arranged at the side end portions of the lower clamping plate and the upper clamping plate, and anti-skid pads are arranged in the mounting grooves.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The driving mechanism is arranged to facilitate the up-down movement of the upper clamping plate and the lower clamping plate, so that when the plate is loosened, the lower clamping plate moves downward by 3-5 mm, and is lower than the air floating table surface, thereby avoiding the rubbing of the plate during the movement of the lower clamping plate, and causing the position of the plate to be offset.

[0013] 2. The anti-skid pads are arranged in the mounting grooves to facilitate the increase of the friction force between the upper clamping plate and the lower clamping plate and the plate, and the buffer of the anti-skid pads can avoid the damage of the plate caused by the excessive clamping force. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the present application.

[0015] Figure 2 It is a side view structural schematic diagram of the present application.

[0016] Figure 3 It is a Figure 2 It is an enlarged structural schematic diagram of A in the present application.

[0017] The reference signs are as follows: 1, fixing seat; 2, lower clamping plate; 3, upper clamping plate; 4, driving mechanism; 5, fixing plate; 6, clamping hand cylinder; 7, floating cylinder; 8, L-shaped limiting block; 9, sliding rod; 10, sliding groove; 11, motor; 12, speed reducer; 13, mounting groove; 14, anti-skid pad; 15, cylinder seat. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail in an exemplary manner with reference to the accompanying drawings.

[0019] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "a solution," "some solutions," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that solution or example is included in at least one solution or example of this invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same solution or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more solutions or examples.

[0023] As attached Figures 1-3 The floating gripper structure shown includes: a fixed base 1, an upper clamping plate 3 horizontally disposed on the upper end of one side of the fixed base 1, a lower clamping plate 2 horizontally disposed on one side of the fixed base 1 below the upper clamping plate 3, a driving mechanism 4 disposed below the lower clamping plate 2 on one side of the fixed base 1, the driving mechanism 4 being used to prevent the plate from being rubbed when releasing the plate, and a fixed plate 5 fixedly connected to the bottom surface of the fixed base 1.

[0024] The driving mechanism 4 comprises a clamping hand cylinder 6 fixedly connected to the bottom surface of the lower clamping plate 2, a cylinder rod on the clamping hand cylinder 6 is fixedly connected to the bottom surface of the upper clamping plate 3 through the lower clamping plate 2, the cylinder rod on the clamping hand cylinder 6 is slidingly connected to the lower clamping plate 2, two floating cylinders 7 are vertically arranged at the two ends of the side of the lower clamping plate 2 close to the fixed base 1, a cylinder seat 15 is horizontally arranged on the bottom surface of the two floating cylinders 7, the side of the cylinder seat 15 is fixedly connected to the side wall of the fixed base 1, the bottom surface of the two floating cylinders 7 is fixedly connected to the top surface of the cylinder seat 15, the top end of the cylinder rod on the two cylinder seats 15 is fixedly connected to the bottom surface of the upper clamping plate 3, the side wall of the cylinder rod on the two cylinder seats 15 is fixedly connected to the side of the lower clamping plate 2, the lower clamping plate 2 and the upper clamping plate 3 are driven to move up and down by the two floating cylinders 7, when the board is loosened, the lower clamping plate 2 and the upper clamping plate 3 can avoid contacting the surface of the board, and the phenomenon of rubbing the board can be avoided.

[0025] The sliding rod 9 is vertically fixedly connected to the middle end of the side of the upper clamping plate 3 close to the fixed base 1, the sliding groove 10 is vertically arranged on the side of the fixed base 1 at the position opposite to the sliding rod 9, the sliding rod 9 and the sliding groove 10 are matched with each other, the sliding rod 9 is slidingly connected in the sliding groove 10, the sliding connection between the sliding groove 10 and the sliding rod 9 facilitates the stability of the up and down movement of the lower clamping plate 2 and the upper clamping plate 3.

[0026] The two L-shaped limiting blocks 8 are fixedly connected to the top of the two ends of the side of the fixed base 1, the top surface of the end of the lower clamping plate 2 close to the fixed base 1 is in contact with the bottom surface of the two L-shaped limiting blocks 8, the two L-shaped limiting blocks 8 facilitate limiting the rising distance of the lower clamping plate 2, and avoid that the board position is deviated due to the upward movement of the lower clamping plate 2.

[0027] Specifically, the driving mechanism 4 facilitates the up and down movement of the upper clamping plate 3 and the lower clamping plate 2, when the board is loosened, the lower clamping plate 2 moves downward by three to five millimeters, so that the lower clamping plate 2 is lower than the air floating table surface, the lower clamping plate 2 avoids rubbing the board when moving, and the position of the board is deviated.

[0028] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 A floating clamping hand structure is shown, the motor 11 is arranged below the fixed plate 5, the motor 11 is fixedly connected to the numerical control drill body, the output end of the motor 11 is provided with a speed reducer 12, the speed reducer 12 is arranged on the bottom surface of the fixed plate 5, the motor 11 cooperates with the speed reducer 12, so as to drive the lower clamping plate 2 and the upper clamping plate 3 to move close to or away from one end of the board.

[0029] The two mounting grooves 13 are arranged on the side end of the lower clamping plate 2 and the upper clamping plate 3 close to each other, the anti-skid pads 14 are mounted in the mounting grooves 13, the anti-skid pads 14 not only facilitate improving the stability of clamping the board, but also avoid damaging the clamped board.

[0030] The embodiment is characterized in that: by installing the anti-skid pad 14 in the installation groove 13, the friction between the upper and lower clamping plates 3 and 2 and the plate is increased when the plate is clamped, and the buffer of the anti-skid pad 14 can prevent the plate from being damaged due to excessive clamping force.

[0031] The utility model discloses working principle: when working, first, the plate that needs to be clamped is placed on the floating table, then motor 11 cooperation speed reducer 12 drive fixed seat 1 rotates, and fixed seat 1 drive lower clamping plate 2 and upper clamping plate 3 approach plate, until lower clamping plate 2 and upper clamping plate 3 are respectively below and above plate, then start floating cylinder 7, through the cylinder rod of floating cylinder 7 extension, make lower clamping plate 2 and upper clamping plate 3 rise, start clamping hand cylinder 6 simultaneously, through the cylinder rod of clamping hand cylinder 6 drive upper clamping plate 3 descend, until clamping plate, through the setting of L-shaped limiting block 8, the position of lower clamping plate 2 is limited to rise, avoid its top plate, cause the position of plate to shift, when upper clamping plate 3 moves up and down, the slide bar 9 on the side of upper clamping plate 3 slides up and down in the sliding groove 10, through the limit of slide bar 9, improve the stability of lower clamping plate 2 and upper clamping plate 3 moving up and down, when lower clamping plate 2 and upper clamping plate 3 approach each other and clamp plate, through the setting of anti-skid pad 14, the friction between the anti-skid pad 14 and the plate is improved, the stability of clamping is increased, and the plate is prevented from being damaged due to excessive clamping force, when the plate is loosened, clamping hand cylinder 6 drive upper clamping plate 3 to rise, make it away from plate, then the cylinder rod of floating cylinder 7 contracts, drive lower clamping plate 2 and upper clamping plate 3 descend, make the top surface of lower clamping plate 2 lower than air floating table, then motor 11 cooperation speed reducer 12 drive fixed seat 1 rotates again, make lower clamping plate 2 and upper clamping plate 3 away from plate, avoid lower clamping plate 2 when moving and rubbing plate, cause the position of plate to shift, affect the normal processing operation of plate.

[0032] 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 indicate the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0033] Secondly: the utility model discloses that the embodiment only relates to the structure involved in the embodiment, other structures can refer to the usual design, and the same embodiment and different embodiments of the utility model can be combined with each other under the condition of no conflict;

[0034] Finally: the above only for the preferred embodiments of the present application, and is not intended to limit 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.

Claims

1. A floating gripper structure, comprising: The fixed base (1) is characterized in that: an upper clamping plate (3) is horizontally provided on the upper end of one side of the fixed base (1), and a lower clamping plate (2) is horizontally provided on one side of the fixed base (1) below the upper clamping plate (3). A driving mechanism (4) is provided below the lower clamping plate (2) on one side of the fixed base (1). The driving mechanism (4) is used to prevent the plate from being rubbed when the plate is released. A fixed plate (5) is fixedly connected to the bottom surface of the fixed base (1). The driving mechanism (4) includes a gripping cylinder (6) fixedly connected to the bottom surface of the lower clamping plate (2). The cylinder rod on the gripping cylinder (6) passes through the bottom surface of the lower clamping plate (2) and the upper clamping plate (3). The cylinder rod on the clamping cylinder (6) is slidably connected to the lower clamping plate (2). The lower clamping plate (2) has two vertical floating cylinders (7) on both ends near the fixed seat (1). The bottom surfaces of the two floating cylinders (7) are horizontally provided with cylinder seats (15). One side of the cylinder seat (15) is fixedly connected to the side wall of the fixed seat (1). The bottom surfaces of the two floating cylinders (7) are fixedly connected to the top surface of the cylinder seat (15). The top ends of the cylinder rods on the two cylinder seats (15) are fixedly connected to the bottom surface of the upper clamping plate (3). The side walls of the cylinder rods on the two cylinder seats (15) are fixedly connected to one side of the lower clamping plate (2).

2. The floating gripper structure according to claim 1, characterized in that: The upper clamp (3) is vertically fixed to the middle of the side near the fixed seat (1) with a slide rod (9). The fixed seat (1) is vertically provided with a groove (10) on one side opposite to the slide rod (9). The slide rod (9) and the groove (10) match each other, and the slide rod (9) is slidably connected in the groove (10).

3. The floating gripper structure according to claim 1, characterized in that: Both ends of the top of one side of the fixed base (1) are fixedly connected to L-shaped limiting blocks (8), and the top surface of the lower clamping plate (2) near the fixed base (1) is in contact with the bottom surface of the two L-shaped limiting blocks (8).

4. The floating gripper structure according to claim 1, characterized in that: A motor (11) is provided below the fixed plate (5). The motor (11) is fixedly connected to the CNC drill body. A reducer (12) is installed at the output end of the motor (11). The reducer (12) is installed on the bottom surface of the fixed plate (5).

5. A floating gripper structure according to claim 1, characterized in that: The lower clamping plate (2) and the upper clamping plate (3) are provided with mounting grooves (13) on their respective ends that are close to each other, and anti-slip pads (14) are installed in the mounting grooves (13).

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