CN211136318U

CN211136318U - Frock clamp for digit control machine tool with protect function

Info

Publication number: CN211136318U
Application number: CN201921533547.2U
Authority: CN
Inventors: 罗杰
Original assignee: Zhejiang Tongji Vocational College of Science and Technology
Current assignee: Zhejiang Tongji Vocational College of Science and Technology
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-07-31
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a tool clamp for a numerical control machine tool with a protection function, which relates to the field of the numerical control machine tool and aims at the problem of poor protection effect of the existing tool clamp for the numerical control machine tool on a workpiece, the following proposal is proposed, which comprises a device shell and is characterized in that a positive and negative motor is fixedly arranged at the left end of the device shell, a positive and negative motor output shaft is fixedly connected with a driving shaft, the right end of the driving shaft passes through the device shell and is rotationally connected with the right wall surface in the device shell, two second bevel gears are respectively fixedly sleeved at the left end and the right end of the driving shaft, two mounting shells are symmetrically and fixedly arranged at the left side and the right side of the upper end of the device shell, the left ends of the two second bevel gears are respectively meshed with a first bevel gear, a connecting shaft is fixedly arranged at, the utility model discloses the centre gripping is convenient, and the protection is effectual, and stability is good, and degree of automation is high, and the practicality is good.

Description

Frock clamp for digit control machine tool with protect function

Technical Field

The utility model relates to a digit control machine tool field especially relates to a frock clamp for digit control machine tool with protect function.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing. The operation platform upper surface of digit control machine tool can set up clamping device usually to conveniently process for various work pieces, but current frock clamp for the digit control machine tool is poor to the protection effect of work piece, often because the centre gripping dynamics is too big, thereby causes the damage to the work piece, and then provides a frock clamp for the digit control machine tool with protect function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of frock clamp for digit control machine tool with protect function has solved the current frock clamp for digit control machine tool to the poor problem of protection effect of work piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tool clamp with a protection function for a numerical control machine tool comprises a device shell, wherein a positive motor and a negative motor are fixedly mounted at the left end of the device shell, a driving shaft is fixedly connected with an output shaft of the positive motor and the negative motor, the right end of the driving shaft penetrates through the device shell and is rotatably connected with the right wall surface in the device shell, two second bevel gears are fixedly sleeved at the left end and the right end of the driving shaft respectively, two installation shells are symmetrically and fixedly mounted at the left side and the right side of the upper end of the device shell, the left ends of the two second bevel gears are respectively meshed with a first bevel gear, the upper ends of the two first bevel gears are respectively and fixedly provided with a connecting shaft, the upper end of the connecting shaft penetrates through the device shell and extends into the installation shell, two-way lead screws are fixedly mounted at the upper ends, two all install ball slider, two through the ball symmetry on the two-way lead screw all the activity is articulated on the ball slider has the connecting rod, device shell upper end intermediate position has seted up the guide way along the horizontal direction on, is located two left connecting rod right-hand members of guide way all articulate in double-layered shell left end intermediate position, the inside left wall fixed mounting of double-layered shell has pressure sensor, the pressure sensor right-hand member is provided with first clamp splice, first clamp splice and double-layered shell inner wall sliding connection are located two connecting rod left ends of guide way right-hand member all articulate in second clamp splice right-hand member intermediate position, device shell right-hand member fixed mounting has the controller, device shell bottom end fixedly connected with base, base right-hand member fixed mounting has charging socket, the inside fixed mounting of base has the battery.

Preferably, the front end face and the rear end face of the ball sliding block are in sliding fit with the inner wall of the mounting shell.

Preferably, the first clamping block is symmetrically and fixedly provided with two sliding blocks at the upper end and the lower end, the clamping shell is internally provided with two sliding grooves which are symmetrically arranged on the upper wall surface and the lower wall surface, and the two sliding grooves are arranged in the horizontal direction and are respectively connected with the two sliding grooves in a sliding manner.

Preferably, the lower ends of the clamping shell and the second clamping block are fixedly provided with guide rods, and the bottom ends of the guide rods are connected with the guide grooves in a sliding mode along the horizontal direction through the guide blocks.

Preferably, charging socket and battery electric connection, battery and positive and negative motor, controller and pressure sensor electric connection, pressure sensor and controller electric connection, controller and positive and negative motor electric connection.

The utility model has the advantages that: by arranging the connecting shaft, the ball sliding block, the bidirectional screw rod, the first bevel gear, the second bevel gear, the driving shaft, the connecting rod, the first clamping block and the second clamping block, the workpiece can be automatically clamped and fixed, and the automation degree is high; by arranging the sliding block, the sliding chute, the pressure sensor, the clamping shell and the controller, the workpiece can be protected, and the workpiece is prevented from being damaged by overlarge clamping force; through setting up guide bar, guide block and guide way, this design can improve the stability of double-layered shell and second clamp splice, the utility model discloses the centre gripping is convenient, and the protection is effectual, and stability is good, and degree of automation is high, and the practicality is good.

Drawings

Fig. 1 is the utility model provides a frock clamp for digit control machine tool with protect function's structural schematic diagram.

Fig. 2 is the utility model provides a frock clamp's for digit control machine tool partial structure cross-sectional view with protect function.

Fig. 3 is a cross-sectional view of a clamping shell in the tool clamp for the numerical control machine tool with a protection function.

Reference numbers in the figures: the device comprises a mounting shell 1, a connecting rod 2, a guide rod 3, a guide block 4, a positive and negative motor 5, a storage battery 6, a controller 7, a device shell 8, a guide groove 9, a first clamping block 10, a clamping shell 11, a second clamping block 12, a connecting shaft 13, a ball sliding block 14, a bidirectional screw rod 15, a first bevel gear 16, a second bevel gear 17, a driving shaft 18, a sliding block 19, a sliding chute 20, a pressure sensor 21, a base 22 and a charging socket 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a tool clamp for a numerical control machine tool with a protection function comprises a device shell 8, wherein a positive and negative motor 5 is fixedly installed at the left end of the device shell 8, a driving shaft 18 is fixedly connected with an output shaft of the positive and negative motor 5, the right end of the driving shaft 18 penetrates through the device shell 8 and is rotatably connected with the right wall surface in the device shell 8, two second bevel gears 17 are fixedly sleeved at the left end and the right end of the driving shaft 18 respectively, two installation shells 1 are symmetrically and fixedly installed at the left side and the right side of the upper end of the device shell 8, the left ends of the two second bevel gears 17 are respectively meshed with a first bevel gear 16, connecting shafts 13 are fixedly installed at the upper ends of the two first bevel gears 16, two bidirectional screw rods 15 are fixedly installed at the upper ends of the two connecting shafts 13, the upper ends of the connecting shafts 13 penetrate through the device, the upper ends of the two bidirectional screw rods 15 are respectively rotatably connected with the top wall in the installation shell 1, the two bidirectional screw rods 15 are respectively provided with ball sliding blocks 14 through balls symmetrically, the two ball sliding blocks 14 are movably hinged with connecting rods 2, the middle position of the upper end of the device shell 8 is provided with a guide groove 9 along the horizontal direction, the right ends of the two connecting rods 2 positioned at the left side of the guide groove 9 are hinged with the middle position of the left end of the clamping shell 11, the left wall in the clamping shell 11 is fixedly provided with a pressure sensor 21, the right end of the pressure sensor 21 is provided with a first clamping block 10, the first clamping block 10 is in sliding connection with the inner wall of the clamping shell 11, the left ends of the two connecting rods 2 positioned at the right end of the guide groove 9 are hinged with the middle position of the right end of a second clamping block 12, the right end of the device shell 8 is fixedly provided, base 22 is convenient for on anchor clamps fixed mounting's the workstation of digit control machine tool, base 22 right-hand member fixed mounting has charging socket 23, the inside fixed mounting of base 22 has battery 6, through setting up charging socket 23, is convenient for supply the electric energy to battery 6, is convenient for right through battery 6 the utility model discloses the power supply.

The front end face and the rear end face of the ball sliding block 14 are in sliding fit with the inner wall of the mounting shell 1, the design can prevent the ball sliding block 14 from deflecting during moving, two sliding blocks 19 are symmetrically and fixedly mounted at the upper end and the lower end of the first clamping block 10, two sliding grooves 20 are symmetrically formed in the upper wall face and the lower wall face of the interior of the clamping shell 11, the two sliding grooves 20 are arranged along the horizontal direction, the two sliding blocks 19 are respectively in sliding connection with the two sliding grooves 20, the design can realize that the first clamping block 10 can stably slide in the clamping shell 11, the lower ends of the clamping shell 11 and the second clamping block 12 are respectively and fixedly provided with the guide rods 3, the bottom ends of the two guide rods 3 are respectively in sliding connection with the guide grooves 9 along the horizontal direction through the guide blocks 4, the design can improve the moving stability of the clamping shell 11 and the second clamping block 12, the charging socket 23 is electrically connected with the storage battery 6, and, the storage battery 6 can provide electric energy for the clamp with the positive and negative motor 5, the controller 7 and the pressure sensor 21 electrically connected, the pressure sensor 21 is electrically connected with the controller 7, the controller 7 is electrically connected with the positive and negative motor 5, and the controller 7 can control the positive and negative motor 5 to work.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Example (b): a workpiece is placed between a first clamping block 10 and a second clamping block 12, an extreme value is set for a controller 7, the controller 7 is an SC200 universal controller, then a worker starts a forward and reverse motor 5, the forward and reverse motor 5 works to drive a driving shaft 18 to rotate, the rotating driving shaft 18 drives a connecting shaft 13 to rotate through a second bevel gear 17 and a first bevel gear 16, and further drives a two-way screw rod 15 to rotate, the rotating two-way screw rod 15 drives two ball sliding blocks 14 to move towards each other, and further drives two guide rods 3 to move towards each other, and further can drive a clamping shell 11 and the second clamping block 12 to move towards the workpiece through the guide rods 3, so that the first clamping block 10 and the second clamping block 12 clamp and fix the workpiece, the workpiece can apply pressure to a pressure sensor 21 through the first clamping block 10, and the pressure sensor 21 transmits received pressure information to the controller 7, the controller 7 converts the received pressure information into data, compares the data with an extreme value, and when the data is greater than the extreme value, it indicates that the clamping force of the first clamping block 10 and the second clamping block 12 on the workpiece has reached the optimal force, the first clamping block 10 and the second clamping block 12 continue to move again to damage the workpiece, the controller 7 sends an instruction to the positive and negative motors 5, and the positive and negative motors 5 stop working. By arranging the connecting shaft 13, the ball sliding block 14, the bidirectional screw rod 15, the first bevel gear 16, the second bevel gear 17, the driving shaft 18, the connecting rod 2, the first clamping block 10 and the second clamping block 12, the workpiece can be automatically clamped and fixed, and the automation degree is high; by arranging the sliding block 19, the sliding chute 20, the pressure sensor 21, the clamping shell 11 and the controller 7, the workpiece can be protected, and the workpiece is prevented from being damaged by overlarge clamping force; by providing the guide rod 3, the guide block 4 and the guide groove 9, the design can improve the stability of the clamping shell 11 and the second clamping block 12. The utility model discloses the centre gripping is convenient, and the protection is effectual, and stability is good, and degree of automation is high, and the practicality is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a frock clamp for digit control machine tool with protect function, includes device shell (8), its characterized in that, device shell (8) left end fixed mounting has positive and negative motor (5), positive and negative motor (5) output shaft fixedly connected with drive shaft (18), drive shaft (18) right-hand member passes device shell (8) to rotate with the inside right wall of device shell (8) and be connected, two second conical gear (17) are fixed the cover respectively and are equipped with at both ends about on drive shaft (18), device shell (8) upper end left and right sides symmetry fixed mounting has two installation shell (1), two first conical gear (16) have all been meshed to second conical gear (17) left end, two first conical gear (16) upper end equal fixed mounting has connecting axle (13), device shell (8) is passed to connecting axle (13) upper end, the device is characterized in that the device penetrates through an installation shell (1) and extends into the installation shell (1), two-way screw rods (15) are fixedly installed at the upper ends of two connecting shafts (13), the upper ends of the two-way screw rods (15) are respectively rotatably connected with the top wall in the installation shell (1), ball sliding blocks (14) are symmetrically installed on the two-way screw rods (15) through balls, the two ball sliding blocks (14) are movably hinged with connecting rods (2), a guide groove (9) is formed in the middle position of the upper end of a device shell (8) in the horizontal direction, the right ends of the two connecting rods (2) positioned on the left side of the guide groove (9) are hinged in the middle position of the left end of a clamping shell (11), a pressure sensor (21) is fixedly installed on the left wall in the clamping shell (11), a first clamping block (10) is arranged at the right end of the pressure sensor (21), and the first clamping block (10) is slidably, be located two connecting rod (2) left ends of guide way (9) right-hand member all articulate in second clamp splice (12) right-hand member intermediate position, device shell (8) right-hand member fixed mounting has controller (7), device shell (8) bottom fixedly connected with base (22), base (22) right-hand member fixed mounting has charging socket (23), the inside fixed mounting of base (22) has battery (6), both ends symmetry fixed mounting has two sliding blocks (19) about first clamp splice (10), two spout (20) have been seted up to two wall symmetries about double-layered shell (11) is inside, and two spout (20) all set up on the horizontal direction, two sliding block (19) respectively with two spout (20) sliding connection.

2. The tool clamp with the protection function for the numerical control machine tool is characterized in that the front end face and the rear end face of the ball sliding block (14) are in sliding fit with the inner wall of the mounting shell (1).

3. The tool clamp with the protection function for the numerical control machine tool is characterized in that the lower ends of the clamping shell (11) and the second clamping block (12) are fixedly provided with guide rods (3), and the bottom ends of the two guide rods (3) are connected with the guide groove (9) in a sliding mode through the guide blocks (4) in the horizontal direction.

4. The tool clamp with the protection function for the numerical control machine tool is characterized in that the charging socket (23) is electrically connected with a storage battery (6), the storage battery (6) is electrically connected with a positive and negative motor (5), a controller (7) and a pressure sensor (21), the pressure sensor (21) is electrically connected with the controller (7), and the controller (7) is electrically connected with the positive and negative motor (5).