CN216398776U

CN216398776U - CNC machining center anchor clamps quick positioner

Info

Publication number: CN216398776U
Application number: CN202122473528.9U
Authority: CN
Inventors: 李宁; 单红振
Original assignee: Jiangsu Jiangzhun Precision Components Co ltd
Current assignee: Jiangsu Jiangzhun Precision Components Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-29
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a CNC machining center fixture rapid positioning device, which comprises a substrate; the first positioning structure is fixedly arranged on the upper wall of the substrate and is positioned at the central part; a second positioning structure fixedly disposed on the first positioning structure; the utility model relates to the technical field of CNC (computer numerical control) machining equipment, in particular to a rapid positioning device for a CNC machining center clamp.

Description

CNC machining center anchor clamps quick positioner

Technical Field

The utility model relates to the technical field of CNC (computerized numerical control) machining equipment, in particular to a rapid positioning device for a CNC machining center clamp.

Background

General CNC machining generally refers to computer numerical control precision machining, such as CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines and the like; programming control is carried out by a numerical control machining language, and the programming control is usually G code; the numerical control processing G code language tells a processing cutter of the numerical control machine tool which Cartesian position coordinate is adopted, and controls the feeding speed and the main shaft rotating speed of the cutter, a tool converter, a coolant and other functions;

however, in numerical control machining, a workpiece needs to be positioned, then the workpiece can be machined after being subjected to tool setting, the existing positioning workpiece is too single in structure, only the two sides of the workpiece are clamped and limited, the clamping stability is low, the workpiece is not easy to be positioned in the center, and the machining angle and the clamping angle cannot be adjusted automatically, so that the CNC machining center fixture quick positioning device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a CNC machining center fixture rapid positioning device, which is used for solving the problems of rapid center positioning, stable clamping and multi-angle fixing.

In order to achieve the purpose, the utility model provides the following technical scheme: a CNC machining center anchor clamps quick positioner includes

A substrate;

the first positioning structure is fixedly arranged on the upper wall of the substrate and is positioned at the central part;

a second positioning structure fixedly disposed on the first positioning structure;

the first positioning structure comprises a first positioning table, a bearing, a bracket, a first motor, a first gear, a second gear and a pair of first clamping components with the same structure;

the first positioning table is of a lower-wall-free tubular structure, the first positioning table is fixedly welded on the upper wall of the substrate and located at the center of the upper wall, a round rotating opening is formed in the center of the upper wall, the bearing is fixedly arranged on the upper wall of the substrate and located below the round rotating opening, one end of the support is fixedly inserted into the bearing, the other end of the support is located in the first positioning table, the first motor is fixedly arranged on the upper wall of the substrate and located on the left side of the bearing, the first gear is fixedly sleeved on the driving end of the first motor, the second gear is fixedly sleeved on one end of the support and mutually meshed with the first gear, and the pair of first clamping assemblies are respectively and fixedly arranged on the front side wall and the rear side wall of the first positioning table and are mutually symmetrical.

Preferably, the first clamping assembly consists of a bracket, an electric push rod and a clamping jaw;

one end of the bracket is fixedly welded on the front side wall of the first positioning table, the upper wall of the bracket and the upper wall of the first positioning table are on the same horizontal line, the electric push rod is fixedly arranged on the upper wall of the other end of the bracket, and the clamping jaw is fixedly arranged on the telescopic end of the electric push rod.

Preferably, the second positioning structure comprises a second positioning table, a screw rod, a pair of clamping blocks with the same structure, a second motor, a third gear and a fourth gear;

the second positioning table is fixedly arranged at the other end of the bracket and movably embedded in the circular rotary opening on the upper wall of the first positioning table, the upper wall of the second positioning table and the upper wall of the first positioning table are on the same horizontal plane, the second positioning table is of a cylindrical structure without a lower wall, and the center of the upper wall is provided with a chute, two ends of the screw rod are respectively and movably embedded in the left side wall and the right side wall in the second positioning table, the screw rod is parallel to the sliding chute, one end of each clamping block is movably penetrated in the sliding chute, and spiral through holes with opposite directions are arranged at the positions close to the center, and are respectively movably sleeved on two ends of the screw rod, the second motor is fixedly arranged on the inner side wall of the second positioning table, and is perpendicular to the screw rod, the third gear is fixedly sleeved on the driving end of the second motor, and the fourth gear is fixedly sleeved on one end of the screw rod and is connected with the third gear in a screwing way.

Preferably, the clamping jaw is of a concave structure, and the diameter of the opening end is larger than that of the other end.

Preferably, the support is of a Y-shaped structure, and two ends of the top of the support are respectively located on two sides of the screw rod.

Preferably, the first gear, the second gear, the third gear and the fourth gear are all helical gears.

Compared with the prior art, the utility model has the beneficial effects that: this quick positioner of CNC machining center anchor clamps can make the work piece tentatively spacing through first location structure to can realize spacing and drive the work piece rotation adjustment direction of multi-angle centre gripping with second location structure, can also save more time with accurate, the quick location of work piece put at central point simultaneously, convenient operation, the regulation nature is strong.

Drawings

FIG. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the present invention;

FIG. 3 is a schematic diagram of a first positioning structure according to the present invention;

fig. 4 is a schematic view of a second positioning structure according to the present invention.

In the figure: 1. the clamping device comprises a base plate, 2, a first positioning structure, 21, a first positioning table, 22, a bearing, 23, a support, 24, a first motor, 25, a first gear, 26, a second gear, 27, a first clamping component, 271, a bracket, 272, an electric push rod, 273, a clamping jaw, 3, a second positioning structure, 31, a second positioning table, 32, a screw rod, 33, a clamping block, 34, a second motor, 35, a third gear, 36 and a fourth gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a CNC machining center fixture rapid positioning device comprises a substrate 1; a first positioning structure 2 fixedly disposed on the upper wall of the substrate 1 and located at the central portion; a second positioning structure 3 fixedly arranged on the first positioning structure 2; the first positioning structure 2 comprises a first positioning table 21, a bearing 22, a bracket 23, a first motor 24, a first gear 25, a second gear 26 and a pair of first clamping assemblies 27 with the same structure; the first positioning table 21 is of a cylindrical structure without a lower wall, the first positioning table 21 is fixedly welded on the upper wall of the substrate 1 and is positioned at the central part, a circular rotating port is formed in the central part of the upper wall, a bearing 22 is fixedly arranged on the upper wall of the substrate 1 and is positioned below the circular rotating port, one end of a support 23 is fixedly inserted into the bearing 22, the other end of the support is positioned in the first positioning table 21, a first motor 24 is fixedly arranged on the upper wall of the substrate 1 and is positioned on the left side of the bearing 22, a first gear 25 is fixedly sleeved on the driving end of the first motor 24, a second gear 26 is fixedly sleeved on one end of the support 23 and is meshed with the first gear 25, and a pair of first clamping assemblies 27 are respectively fixedly arranged on the front side wall and the rear side wall of the first positioning table 21 and are symmetrical to each other; preliminary clamping limitation can be realized through the first positioning structure 2.

The following electric devices have the following types and functions:

a first motor: it is prior art, as long as the motor that is applicable to this scheme all can use.

A second motor: it is prior art, as long as the motor that is applicable to this scheme all can use.

Electric push rod: it is prior art, as long as the electric putter that is applicable to this scheme all can use.

Preferably, the first clamping assembly 27 is composed of a bracket 271, an electric push rod 272 and a clamping jaw 273;

one end of the bracket 271 is fixedly welded on the front side wall of the first positioning table 21, the upper wall of the bracket 271 and the upper wall of the first positioning table 21 are on the same horizontal line, the electric push rod 272 is fixedly arranged on the upper wall of the other end of the bracket 271, and the clamping jaw 273 is fixedly arranged on the telescopic end of the electric push rod 272.

Preferably, the second positioning structure 3 includes a second positioning table 31, a screw rod 32, a pair of clamping blocks 33 with the same structure, a second motor 34, a third gear 35 and a fourth gear 36;

the second positioning table 31 is fixedly arranged at the other end of the bracket 23 and movably embedded in a circular rotary opening on the upper wall of the first positioning table 21, the upper wall of the second positioning table 31 and the upper wall of the first positioning table 21 are on the same horizontal plane, the second positioning table 31 is of a tubular structure without a lower wall, a chute is arranged at the central part of the upper wall, two ends of a screw rod 32 are respectively and movably embedded in the left side wall and the right side wall of the second positioning table 31, the screw rod 32 is parallel to the chute, one end of a pair of clamping blocks 33 is respectively and movably penetrated in the chute, spiral through holes in opposite directions are respectively arranged at the position close to the central part and are respectively and movably sleeved on two ends of the screw rod 32, a second motor 34 is fixedly arranged on the inner side wall of the second positioning table 31 and is vertical to the screw rod 32, a third gear 35 is fixedly sleeved on the driving end of the second motor 34, a fourth gear 36 is fixedly sleeved on one end of the screw rod 32, and is rotatably connected to the third gear 35.

Preferably, the clamping jaws 273 are concave structures, and the diameter of the opening end is larger than that of the other end, so that the clamping is facilitated.

Preferably, the bracket 23 is of a Y-shaped structure, and two ends of the top of the bracket are respectively located at two sides of the screw rod 32, so as to meet the design and installation requirements, prevent the screw rod 32 from being shielded, and keep the second positioning table 31 and the first positioning table 21 to rotate concentrically.

Preferably, the first gear 25, the second gear 26, the third gear 35 and the fourth gear 36 are all helical gears, which is used for designing transmission requirements.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as can be seen from fig. 1-4 of the specification, first, the device is fixedly mounted in a machine tool by means of a base plate 1, and then, when the power is switched on, the workpiece can be placed on the second positioning table 31 in the second positioning structure 3, and then the second motor 34 is controlled to drive, and the third gear 35 and the fourth gear 36 are engaged for transmission, so as to drive the screw rod 32 to rotate in the second positioning table 31, so that the two clamping blocks 33 are forced to move relatively, after the workpiece is initially positioned and clamped, the electric push rod 272 on the bracket 271 in the first clamping assembly 27 in the first positioning structure 2 is controlled to extend and drive to drive the two clamping jaws 273 to move relatively, the workpiece is clamped again, and the first motor 24 is driven to move the clamping block 33 reversely to loosen the workpiece to a certain extent, clamping again to realize rapid and accurate positioning of the workpiece on the central part of the upper wall of the second positioning table 31; the clamping jaw 273 can be separated from the workpiece according to requirements, the driving of the first motor 24 is controlled, the support 23 is driven to rotate on the bearing 22 by means of meshing transmission of the first gear 25 and the second gear 26, then the second positioning table 31 is driven to rotate in the first positioning table 21, the workpiece is rotated to adjust the direction, and meanwhile, the included angle between the clamping block 33 and the clamping jaw 273 is adjusted, namely, the clamping angle is adjusted.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated; meanwhile, unless explicitly specified or limited otherwise, the terms "fixed welding", "fixed insertion", "movable penetration", "movable insertion", and "movable sleeving" should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A CNC machining center fixture rapid positioning device is characterized by comprising

A substrate (1);

the first positioning structure (2) is fixedly arranged on the upper wall of the substrate (1) and is positioned at the central part;

a second positioning structure (3) fixedly arranged on the first positioning structure (2);

the first positioning structure (2) comprises a first positioning table (21), a bearing (22), a bracket (23), a first motor (24), a first gear (25), a second gear (26) and a pair of first clamping components (27) with the same structure;

the first positioning table (21) is of a cylindrical structure without a lower wall, the first positioning table (21) is fixedly welded on the upper wall of the substrate (1) and is positioned at the center part, a circular rotating opening is formed in the center part of the upper wall, the bearing (22) is fixedly arranged on the upper wall of the substrate (1) and is positioned below the circular rotating opening, one end of the support (23) is fixedly inserted into the bearing (22), the other end of the support is positioned in the first positioning table (21), the first motor (24) is fixedly arranged on the upper wall of the substrate (1) and is positioned on the left side of the bearing (22), the first gear (25) is fixedly sleeved on the driving end of the first motor (24), the second gear (26) is fixedly sleeved on one end of the support (23) and is meshed with the first gear (25), a pair of the first clamping assemblies (27) is fixedly arranged on the front side wall and the rear side wall of the first positioning table (21) respectively, and are symmetrical to each other.

2. The CNC machining center fixture fast positioning device of claim 1, wherein: the first clamping assembly (27) consists of a bracket (271), an electric push rod (272) and a clamping jaw (273);

one end of the bracket (271) is fixedly welded on the front side wall of the first positioning table (21), the upper wall of the bracket (271) and the upper wall of the first positioning table (21) are on the same horizontal line, the electric push rod (272) is fixedly arranged on the upper wall of the other end of the bracket (271), and the clamping jaw (273) is fixedly arranged on the telescopic end of the electric push rod (272).

3. The CNC machining center fixture fast positioning device of claim 1, wherein: the second positioning structure (3) comprises a second positioning table (31), a screw rod (32), a pair of clamping blocks (33) with the same structure, a second motor (34), a third gear (35) and a fourth gear (36);

the second positioning table (31) is fixedly arranged at the other end of the bracket (23) and movably embedded in a circular rotary opening in the upper wall of the first positioning table (21), the upper wall of the second positioning table (31) and the upper wall of the first positioning table (21) are on the same horizontal plane, the second positioning table (31) is of a cylindrical structure without a lower wall, a chute is arranged at the center part of the upper wall, two ends of the screw rod (32) are respectively and movably embedded in the left side wall and the right side wall of the second positioning table (31), the screw rod (32) is parallel to the chute, one end of each clamping block (33) is respectively and movably penetrated in the chute, spiral through holes with opposite directions are respectively arranged at the position close to the center part and are respectively and movably sleeved at two ends of the screw rod (32), the second motor (34) is fixedly arranged on the inner side wall of the second positioning table (31) and is vertical to the screw rod (32), the third gear (35) is fixedly sleeved on the driving end of the second motor (34), and the fourth gear (36) is fixedly sleeved on one end of the screw rod (32) and is in screwed connection with the third gear (35).

4. The CNC machining center fixture fast positioning device of claim 2, wherein: the clamping jaw (273) is of a concave structure, and the diameter of the opening end is larger than that of the other end.

5. The CNC machining center fixture fast positioning device of claim 1, wherein: the support (23) is of a Y-shaped structure, and two ends of the top of the support are respectively positioned on two sides of the screw rod (32).

6. The CNC machining center fixture fast positioning device of claim 1, wherein: the first gear (25), the second gear (26), the third gear (35) and the fourth gear (36) are all helical gears.