Clamp for numerical control machine tool

Abstract

The utility model relates to the field of clamps, in particular to a clamp for a numerical control machine tool, which comprises a bottom plate, a connecting rod is mounted at the center of the outer wall of the top of the bottom plate, a ball head is mounted on the outer wall of the top of the connecting rod, a top plate is rotatably connected to the outer wall of the ball head, and a fixing structure is mounted on the outer wall of the top of the top plate. An adjusting structure is mounted between the bottom plate and the top plate; the adjusting structure comprises mounting grooves formed in the outer walls of the sides, close to each other, of the bottom plate and the top plate at equal intervals, hinge seats rotationally connected into the mounting grooves, and a hydraulic push rod arranged between the hinge seats. The steering motor is started through the direction sensor, the hinged seats drive the hydraulic push rods to rotate, the hinged seats face the same direction, the hydraulic push rods at the top of the bottom plate are matched to contract and stretch out, the top plate is turned over through the ball head, metal deflection, auxiliary machining and metal machining position adjustment are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp for a numerically controlled machine tool. Background Art

[0002] CNC machine tools are digitally controlled machine tools that are automated machine tools equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process parts according to the shape and size required by the drawing;

[0003] When processing metal parts in CNC machine tools, they need to be fixed in fixtures. Traditional fixtures only have the function of fixing. With the development of CNC machine tools, multiple joint axes are installed in machine tools to facilitate the processing of metal parts. However, some machine tools do not have a large number of processing axes, which leads to the need to constantly change the position of the metal when processing the metal, which is inconvenient. Utility Model Content

[0004] The utility model aims to solve the above-mentioned problems and shortcomings and proposes a clamp for CNC machine tools: the steering motor is started by a direction sensor, and the hydraulic push rod is driven to rotate through the hinge seat so that the orientation of the hinge seat is the same, and the hydraulic push rod on the top of the bottom plate is coordinated to retract and extend, so that the top plate is flipped with a ball head, which is convenient for deflecting metal, assisting processing, and adjusting the processing position of metal, thereby solving the problem that traditional clamps are not convenient for assisting processing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamp for a CNC machine tool comprises a base plate, a connecting rod is installed at the center of the top outer wall of the base plate, and a ball head is installed on the top outer wall of the connecting rod, the outer wall of the ball head is rotatably connected to a top plate, and a fixing structure is installed on the top outer wall of the top plate, and an adjustment structure is installed between the base plate and the top plate; the adjustment structure comprises mounting grooves equidistantly arranged on the outer walls of the base plate and the top plate on one side close to each other, an articulated seat rotatably connected in the mounting groove, and a hydraulic push rod arranged between the articulated seats.

[0007] Preferably, a base is installed on the bottom outer wall of the bottom plate, and a steering motor is installed on the bottom outer wall of the bottom plate at the center of the hinge seat, the output shaft of the steering motor is connected to one end of the hinge seat, and a heat dissipation hole is opened on the base at the steering motor.

[0008] Preferably, the outer walls at both ends of the hydraulic push rod are rotatably connected in the hinge seat, and a direction sensor is installed in the hinge seat, a controller is installed on the top outer wall of the bottom plate, and the direction sensor is connected to the signal input end of the controller through a signal line;

[0009] According to the above method: the steering motor is started through the direction sensor, and the hydraulic push rod is driven to rotate through the hinge seat, so that the hinge seat is oriented in the same direction, and the hydraulic push rod on the top of the bottom plate is coordinated to retract and extend, so that the top plate is flipped with a ball head, which is convenient for deflecting metal, assisting processing, and adjusting the processing position of the metal.

[0010] Preferably, the fixing structure comprises a fixing plate, fixing grooves equidistantly arranged on the outer wall of the top of the fixing plate, a fixing screw rotatably connected to the fixing groove, a clamping rod screwed to the outer wall of the fixing screw, and a clamping block installed on the outer wall of one end of the clamping rod;

[0011] According to the above scheme: after the clamping motor is started, it drives the fixed screw to rotate, and after the fixed screw rotates, it drives the clamping rods to approach each other. After the clamping rods approach each other, the metal is clamped by the clamping block, which is convenient for fixing metals of different sizes, facilitating clamping, and maintaining clamping stability.

[0012] Preferably, the outer wall of one end of the clamping rod is slidably connected to the outer wall of the fixing groove and the outer wall of the top of the fixing plate, and the cross-section of the clamping rod is an "L"-shaped structure, and an embedded groove is opened at the center of the outer wall of the top of the fixing plate.

[0013] Preferably, a driving groove is provided on the side outer wall of the fixing plate at one end of the fixing screw, and a clamping motor is installed in the driving groove, and an output shaft of the clamping motor is connected to one end of the fixing screw.

[0014] Preferably, the clamping motor, the steering motor and the hydraulic push rod are connected to a switch via wires, and the switch is connected to a power source via wires.

[0015] The beneficial effects of the utility model are:

[0016] 1. After the clamping motor is started, it drives the fixed screw to rotate. After the fixed screw rotates, it drives the clamping rods to approach each other. After the clamping rods approach each other, the metal is clamped by the clamping block, which is convenient for fixing metals of different sizes, facilitating clamping, and maintaining clamping stability;

[0017] 2. Start the steering motor through the direction sensor, and drive the hydraulic push rod to rotate through the articulated seat, so that the articulated seat is oriented in the same direction. The hydraulic push rod on the top of the bottom plate is coordinated to retract and extend, so that the top plate is flipped with the ball head, which is convenient for deflecting the metal, assisting processing, and adjusting the processing position of the metal. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is a schematic diagram of the overall structure of a fixture for a CNC machine tool proposed in the present invention;

[0019] FIG2 is a schematic diagram of the bottom structure of a fixture for a CNC machine tool proposed by the present invention;

[0020] FIG3 is a schematic diagram of the unfolded structure of a fixture for a CNC machine tool proposed by the present invention;

[0021] FIG. 4 is a schematic diagram of the structure of a fixing plate of a fixture for a CNC machine tool proposed by the present invention.

[0022] In the figure: 1 bottom plate, 2 connecting rod, 3 ball head, 4 top plate, 5 fixing structure, 6 adjustment structure, 7 base, 8 mounting groove, 9 hinge seat, 10 hydraulic push rod, 11 steering motor, 12 direction sensor, 13 heat dissipation hole, 14 fixing plate, 15 fixing groove, 16 fixing screw, 17 clamping rod, 18 clamping block, 19 clamping motor, 20 controller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1:

[0025] 1 and 4, a fixture for a CNC machine tool includes a bottom plate 1, a connecting rod 2 is installed at the center of the top outer wall of the bottom plate 1, and a ball head 3 is installed on the top outer wall of the connecting rod 2, the outer wall of the ball head 3 is rotatably connected to a top plate 4, and a fixing structure 5 is installed on the top outer wall of the top plate 4, an adjustment structure 6 is installed between the bottom plate 1 and the top plate 4, and the bottom plate 1 and the top plate 4 are connected by a hydraulic push rod 10 and an articulated seat 9 in conjunction with the connecting rod 2 and the ball head 3 to maintain the stability of the top plate 4 to the fixing plate 14 and the metal support;

[0026] The fixing structure 5 includes a fixing plate 14, fixing grooves 15 equidistantly provided on the outer wall of the top of the fixing plate 14, a fixing screw 16 rotatably connected to the fixing groove 15, a clamping rod 17 screwed to the outer wall of the fixing screw 16, and a clamping block 18 installed on the outer wall of one end of the clamping rod 17;

[0027] The outer wall of one end of the clamping rod 17 is slidably connected to the outer wall of the fixing groove 15 and the outer wall of the top of the fixing plate 14, and the cross section of the clamping rod 17 is an "L"-shaped structure, and an embedded groove is opened at the center of the outer wall of the top of the fixing plate 14;

[0028] A driving groove is provided on the side outer wall of the fixing plate 14 at one end of the fixing screw 16, and a clamping motor 19 is installed in the driving groove. The output shaft of the clamping motor 19 is connected to one end of the fixing screw 16. After the clamping motor 19 is started, the clamping rods 17 are driven to approach each other through the fixing screw 16. The clamping blocks 18 of different shapes are replaced to fix the metal, which is convenient for fixing the metal and auxiliary processing;

[0029] The clamping motor 19, the steering motor 11 and the hydraulic push rod 10 are connected to the switch through wires, and the switch is connected to the power supply through wires.

[0030] Embodiment 2:

[0031] 1-3, the adjustment structure 6 includes a mounting groove 8 equidistantly provided on the outer wall of the bottom plate 1 and the top plate 4 close to each other, a hinge seat 9 rotatably connected in the mounting groove 8, and a hydraulic push rod 10 provided between the hinge seats 9. The connecting rod 2 cooperates with the ball head 3 to limit the position of the top plate 4 to prevent the top plate 4 from shaking. The hydraulic push rods 10 cooperate with each other to assist in the deflection angle when they are contracted and extended, so as to facilitate the adjustment of different angles of the metal and facilitate auxiliary processing;

[0032] A base 7 is installed on the bottom outer wall of the bottom plate 1, and a steering motor 11 is installed on the bottom outer wall of the bottom plate 1 at the center of the hinge seat 9. The output shaft of the steering motor 11 is connected to one end of the hinge seat 9. A heat dissipation hole 13 is opened at the steering motor 11 of the base 7. The steering motor 11 is installed at the base 7. The heat dissipation hole 13 facilitates heat dissipation of the steering motor 11.

[0033] The outer walls at both ends of the hydraulic push rod 10 are rotatably connected to the articulated seat 9, and a direction sensor 12 is installed in the articulated seat 9. A controller 20 is installed on the top outer wall of the bottom plate 1, and the direction sensor 12 is connected to the signal input end of the controller 20 through a signal line. After the steering motor 11 is started, the direction of the articulated seat 9 is adjusted through the direction sensor 12, so that the direction of the articulated seat 9 is facing the direction that needs to be deflected. At this time, the hydraulic push rod 10 contracts and extends, thereby deflecting the top plate 4 for easy adjustment.

[0034] Working principle: When in use, place the metal in the embedded groove of the top outer wall of the fixed plate 14, and start the clamping motor 19. After the clamping motor 19 is started, it drives the fixed screw 16 to rotate. After the fixed screw 16 rotates, it drives the clamping rod 17 to approach each other. After the clamping rod 17 approaches each other, the metal is clamped by the clamping block 18. After clamping, the machine tool processes the metal. When processing different positions of the metal, the steering motor 11 is started through the direction sensor 12. After the steering motor 11 is started, it drives the hydraulic push rod 10 to rotate through the articulated seat 9, so that the articulated seat 9 is oriented in the same direction. The hydraulic push rod 10 on the top of the bottom plate cooperates to retract and extend, so that the top plate 4 is flipped with the ball head 3, and the position of the metal is adjusted to facilitate the machine tool to process the metal.

[0035] The exemplary implementation of the utility model is described in detail with reference to the examples, however, it is understood by those skilled in the art that, without departing from the concept of the utility model, various modifications and alterations may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the utility model may be made without exceeding the scope of protection of the utility model, which is determined by the attached claims. The foregoing description of the specific exemplary implementation of the utility model is not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary implementations of the utility model and various different choices and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A fixture for a CNC machine tool, comprising a base plate (1), characterized in that: A connecting rod (2) is installed at the center of the top outer wall of the bottom plate (1), and a ball head (3) is installed on the top outer wall of the connecting rod (2); the outer wall of the ball head (3) is rotatably connected to the top plate (4), and a fixing structure (5) is installed on the top outer wall of the top plate (4); an adjustment structure (6) is installed between the bottom plate (1) and the top plate (4); The adjustment structure (6) comprises mounting grooves (8) equidistantly arranged on the outer walls of the bottom plate (1) and the top plate (4) close to each other, a hinge seat (9) rotatably connected to the mounting grooves (8), and a hydraulic push rod (10) arranged between the hinge seats (9); A base (7) is installed on the bottom outer wall of the bottom plate (1), and a steering motor (11) is installed on the bottom outer wall of the bottom plate (1) at the center of the hinge seat (9), the output shaft of the steering motor (11) is connected to one end of the hinge seat (9), and a heat dissipation hole (13) is opened on the base (7) at the steering motor (11); The outer walls at both ends of the hydraulic push rod (10) are rotatably connected in the hinge seat (9), and a direction sensor (12) is installed in the hinge seat (9). A controller (20) is installed on the top outer wall of the base plate (1), and the direction sensor (12) is connected to the signal input end of the controller (20) via a signal line.

2. A fixture for a CNC machine tool according to claim 1, characterized in that: The fixing structure (5) comprises a fixing plate (14), fixing grooves (15) equidistantly arranged on the outer wall of the top of the fixing plate (14), a fixing screw (16) rotatably connected to the fixing groove (15), a clamping rod (17) screwed to the outer wall of the fixing screw (16), and a clamping block (18) mounted on the outer wall of one end of the clamping rod (17).

3. A fixture for a CNC machine tool according to claim 2, characterized in that: The outer wall of one end of the clamping rod (17) is slidably connected to the outer wall of the fixing groove (15) and the top outer wall of the fixing plate (14), and the cross-section of the clamping rod (17) is an "L"-shaped structure. An embedded groove is provided at the center of the top outer wall of the fixing plate (14).

4. A fixture for a CNC machine tool according to claim 2, characterized in that: A driving groove is provided on the side outer wall of the fixing plate (14) at one end of the fixing screw (16), and a clamping motor (19) is installed in the driving groove. The output shaft of the clamping motor (19) is connected to one end of the fixing screw (16).

5. A fixture for a CNC machine tool according to claim 4, characterized in that: The clamping motor (19), the steering motor (11) and the hydraulic push rod (10) are connected to a switch via a wire, and the switch is connected to a power source via a wire.

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