CN213438479U

CN213438479U - Workpiece clamping device of numerical control machine tool

Info

Publication number: CN213438479U
Application number: CN202022463806.8U
Authority: CN
Inventors: 蔡竺璇
Original assignee: Xutai Shenyang Precision Machinery Co ltd
Current assignee: Xutai Shenyang Precision Machinery Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-15
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a workpiece clamping device of a numerical control machine tool, which comprises a numerical control machine tool operating platform and a base, the base is arranged on the numerical control machine tool operating table, the base is symmetrically provided with hydraulic clamping structures, one end of each hydraulic clamping structure is provided with a clamping plate, a sliding limit structure is arranged between the clamping plate and the base, the utility model relates to the technical field of numerical control machine tools, a hydraulic clamping structure is arranged on the existing numerical control machine tool operating table, the clamping plate is controlled by the hydraulic clamping structure, thereby realizing the automatic clamping and fixing of the workpiece, simultaneously limiting the movement of the clamping plate by matching with the sliding limiting structure, improving the clamping stability, having simple structure, the reliability is high, and the problems that in the prior art, a workpiece clamping device of a numerical control machine tool is used for fixing and clamping workpieces manually, the manual positioning time is long, and the fixing effect is poor are solved.

Description

Workpiece clamping device of numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field specifically is a digit control machine tool work piece clamping device.

Background

The numerical control machine tool is a numerical control machine tool for short, and is an automatic machine tool provided with a program control system, wherein the control system can logically process a program specified by a control code or other symbolic instructions, decode the program, represent the decoded program by coded numbers, input the coded numbers into a numerical control device through an information carrier, send various control signals by the numerical control device through operation processing, control the action of the machine tool, automatically process a part according to the shape and the size required by a drawing, and fix the workpiece by using a clamping device when the workpiece is processed so as to enable the workpiece to be located at a proper position.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a digit control machine tool work piece clamping device has solved prior art, and digit control machine tool work piece clamping device is the manual work mostly and fixes the centre gripping to the work piece, and manual location is chronic, the relatively poor problem of fixed effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a workpiece clamping device of a numerical control machine tool comprises a numerical control machine tool operating table and a base, wherein the base is arranged on the numerical control machine tool operating table, hydraulic clamping structures are symmetrically arranged on the base, a clamping plate is arranged at one end of each hydraulic clamping structure, and a sliding limiting structure is arranged between the clamping plate and the base;

the hydraulic clamping structure includes: the base is provided with a rectangular groove, the fixing seat is arranged in the rectangular groove, the hydraulic control part is arranged on the fixing seat, and the pushing clamping part is arranged on one end of the hydraulic control part and connected with the clamping plate;

the sliding limiting structure comprises a pair of sliding limiting assemblies with the same structure, two strip-shaped through grooves are symmetrically formed in two sides of the rectangular groove, and the sliding limiting assemblies are arranged in the two strip-shaped through grooves respectively and are fixedly connected with the side wall of the clamping plate.

Preferably, the hydraulic control unit includes: the hydraulic cylinder is arranged on the fixing seat, the connecting block is arranged on the movable end of the hydraulic cylinder, one end of the sliding column is fixedly connected with the connecting block, and the other end of the sliding column is connected with the pushing clamping part.

Preferably, the ejector clamp comprises: the hydraulic cylinder comprises two guide pillars, a movable block and an L-shaped frame, wherein the two guide pillars are respectively arranged in a rectangular groove and are positioned on two sides of the hydraulic cylinder, the movable block is sleeved on the two guide pillars in a sliding mode and is fixedly connected with the sliding pillar, and the L-shaped frame is fixedly arranged on the movable block and is fixedly connected with a clamping plate at one end.

Preferably, the sliding limiting assembly comprises: mounting groove and sliding connection component, the mounting groove sets up on the logical groove lateral wall of bar, and the opening direction sets up along the horizontal direction, the sliding connection component sets up in the mounting groove, and one end and splint fixed connection.

Preferably, the sliding coupling member includes: the guide rail is arranged in the mounting groove, the sliding block is sleeved on the guide rail in a sliding mode, and one end of the sliding block is fixedly connected with the clamping plate.

Preferably, the sliding block is of a U-shaped block structure.

Advantageous effects

The utility model provides a digit control machine tool work piece clamping device. The method has the following beneficial effects: this digit control machine tool work piece clamping device sets up hydraulic pressure clamping structure on current digit control machine tool operation panel, controls splint through hydraulic pressure clamping structure to the realization is fixed to the automatic centre gripping of work piece, and the while cooperation slides limit structure and restricts the removal of splint, improves the stability of centre gripping, simple structure, and the reliability is high, has solved prior art, and digit control machine tool work piece clamping device is the manual work and fixes the centre gripping to the work piece mostly, and manual positioning time is long, the relatively poor problem of fixed effect.

Drawings

Fig. 1 is the utility model discloses a digit control machine tool work piece clamping device's main structure sketch map of looking.

Fig. 2 is a schematic view of a cross-sectional structure of a position a-a of the workpiece clamping device of the numerical control machine tool of the present invention.

Fig. 3 is a schematic diagram of a cross-sectional structure of a position B-B of a workpiece clamping device of a numerical control machine tool according to the present invention.

Fig. 4 is the utility model discloses a digit control machine tool work piece clamping device's spacing subassembly of looking sideways at structural schematic.

In the figure: 1-operation table of numerically controlled machine tool; 2-a base; 3-clamping the plate; 4-fixing the base; 5-a hydraulic cylinder; 6-connecting blocks; 7-a sliding column; 8-guide column; 9-a movable block; a 10-L-shaped frame; 11-mounting grooves; 12-a guide rail; 13-sliding block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

Referring to fig. 1-4, the present invention provides a workpiece clamping device for a numerical control machine tool:

example (b): as can be seen from the attached figures 1-4 of the specification, the scheme comprises a numerically-controlled machine tool operating table 1 and a base 2, wherein the base 2 is arranged on the numerically-controlled machine tool operating table 1, hydraulic clamping structures are symmetrically arranged on the base 2, a clamping plate 3 is arranged at one end of each hydraulic clamping structure, and a sliding limiting structure is arranged between the clamping plate 3 and the base 2; the hydraulic clamping structure comprises: the base 2 is provided with a rectangular groove, the fixed seat 4 is arranged in the rectangular groove, the hydraulic control part is arranged on the fixed seat 4, and the pushing clamping part is arranged on one end of the hydraulic control part and connected with the clamping plate 3; wherein the spacing structure that slides includes the same spacing subassembly that slides of a pair of structure, two bar logical grooves have been seted up to the rectangular channel bilateral symmetry, a pair of spacing subassembly that slides sets up respectively in two bar logical inslots, and all with splint 3 lateral wall fixed connection, set up hydraulic clamping structure on current digit control machine tool operation panel 1, control splint 3 through hydraulic clamping structure, thereby the realization is fixed to the automatic centre gripping of work piece, the while cooperates the spacing structure that slides to restrict splint 3's removal, the stability of centre gripping is improved, moreover, the steam generator is simple in structure, high reliability.

As can be seen from fig. 1 and 3 of the specification, in a specific implementation process, the hydraulic control unit includes: pneumatic cylinder 5, connecting block 6 and sliding column 7, its position relation and relation of connection are as follows, and pneumatic cylinder 5 sets up on fixing base 4, and connecting block 6 sets up on pneumatic cylinder 5's activity is served, and sliding column 7's one end and 6 fixed connection of connecting block, the other end are connected with the top and push away the clamping part, and above-mentioned top pushes away the clamping part and includes: two guide pillars 8, movable block 9 and L type frame 10, two guide pillars 8 set up respectively in the rectangular channel, and be located pneumatic cylinder 5 both sides, movable block 9 slip suit is on two guide pillars 8, and with slip post 7 fixed connection, L type frame 10 sets firmly on movable block 9, and one end and splint 3 fixed connection, when using, place the work piece between two splint 3, the expansion of the expansion end of the pneumatic cylinder 5 of control rectangular channel, connecting block 6 on the expansion end of promotion pneumatic cylinder 5 together with slip post 7 synchronous motion, and then promote movable block 9 under the limiting displacement of two guide pillars 8, horizontal migration, movable block 9 removes and drives L type frame 10 and removes, L type frame 10 promotes splint 3 under the limiting displacement's of the slip of both sides cooperation, move, thereby realize the centre gripping fixed action to the work piece.

As can be seen from fig. 1 to 4 of the specification, in the implementation process, the sliding limiting assembly includes: mounting groove 11 and sliding connection component, mounting groove 11 set up on the logical groove lateral wall of bar, and the opening direction sets up along the horizontal direction, and the sliding connection component sets up in mounting groove 11, and one end and 3 fixed connection of splint, and wherein the sliding connection component includes: guide rail 12 and slider 13, guide rail 12 sets up in mounting groove 11, slider 13 is U type block structure, slider 13 slip suit is on guide rail 12, and one end and 3 fixed connection of splint, when using, splint 3 is at the removal in-process, splint 3 is under the linkage effect of the slider 13 of both sides, slide along guide rail 12 in mounting groove 11, thereby improve the stability that splint 3 removed, avoid simultaneously that splint 3 atress produces in the course of working rocks, because the opening direction of mounting groove 11 is located the horizontal direction, therefore in the lathe operation process, the sweeps of production can not be easy on entering into guide rail 12 in mounting groove 11, the clastic trouble on the guide rail 12 that needs to clear up has been avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

To sum up, this digit control machine tool work piece clamping device sets up hydraulic pressure clamping structure on current digit control machine tool operation panel 1, controls splint 3 through hydraulic pressure clamping structure to the realization is fixed to the automatic centre gripping of work piece, and the while cooperation slides limit structure and restricts splint 3's removal, improves the stability of centre gripping, simple structure, and the reliability is high, has solved prior art, and digit control machine tool work piece clamping device mostly is artifical fixes the centre gripping to the work piece, and manual positioning time is long, the relatively poor problem of fixed effect.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A workpiece clamping device of a numerical control machine tool comprises a numerical control machine tool operating table (1) and a base (2), and is characterized in that the base (2) is arranged on the numerical control machine tool operating table (1), hydraulic clamping structures are symmetrically arranged on the base (2), a clamping plate (3) is arranged at one end of each hydraulic clamping structure, and a sliding limiting structure is arranged between the clamping plate (3) and the base (2);

the hydraulic clamping structure includes: the base (2) is provided with a rectangular groove, the fixing seat (4) is arranged in the rectangular groove, the hydraulic control part is arranged on the fixing seat (4), and the pushing clamping part is arranged at one end of the hydraulic control part and is connected with the clamping plate (3);

the sliding limiting structure comprises a pair of sliding limiting assemblies with the same structure, two strip-shaped through grooves are symmetrically formed in two sides of the rectangular groove, and the sliding limiting assemblies are arranged in the two strip-shaped through grooves respectively and are fixedly connected with the side wall of the clamping plate (3).

2. The numerical control machine tool workpiece clamping device as claimed in claim 1, wherein the hydraulic control part comprises: pneumatic cylinder (5), connecting block (6) and sliding column (7), pneumatic cylinder (5) set up on fixing base (4), connecting block (6) set up on the activity of pneumatic cylinder (5) is served, the one end and connecting block (6) fixed connection, the other end of sliding column (7) with the top pushes away the clamping part and is connected.

3. The numerical control machine tool workpiece clamping device as claimed in claim 2, wherein the pushing clamping part comprises: the hydraulic cylinder is characterized by comprising two guide columns (8), a movable block (9) and an L-shaped frame (10), wherein the two guide columns (8) are respectively arranged in a rectangular groove and positioned on two sides of the hydraulic cylinder (5), the movable block (9) is sleeved on the two guide columns (8) in a sliding mode and fixedly connected with the sliding column (7), and the L-shaped frame (10) is fixedly arranged on the movable block (9) and one end of the L-shaped frame is fixedly connected with the clamping plate (3).

4. A workpiece holding device for a numerically controlled machine tool as claimed in any one of claims 1 to 3, wherein the sliding limiting assembly comprises: mounting groove (11) and sliding connection component, mounting groove (11) set up on the logical groove lateral wall of bar, and the opening direction sets up along the horizontal direction, the sliding connection component sets up in mounting groove (11), and one end and splint (3) fixed connection.

5. A workpiece holding device for a numerically controlled machine tool as claimed in claim 4, wherein said sliding connection means comprises: the guide rail (12) is arranged in the mounting groove (11), the sliding block (13) is sleeved on the guide rail (12) in a sliding mode, and one end of the sliding block (13) is fixedly connected with the clamping plate (3).

6. A workpiece holding device for a numerical control machine tool according to claim 5, characterised in that the slide (13) is of a U-shaped block structure.