CN219189825U

CN219189825U - Self-centering clamp of numerically controlled grinder

Info

Publication number: CN219189825U
Application number: CN202223595298.4U
Authority: CN
Inventors: 姚小东
Original assignee: Wuxi Carvis Technology Co ltd
Current assignee: Wuxi Carvis Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-16
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a self-centering fixture of a numerical control grinding machine, which comprises a base, wherein a group of mounting holes penetrating up and down are formed in the left part of the upper end and the right part of the upper end of the base, the two groups of mounting holes are distributed in a bilateral symmetry manner, each group of mounting holes is two, a mounting box is fixedly arranged in the middle of the upper end of the base, a cover plate is arranged at the upper end of the mounting box, an adjusting component is fixedly arranged in the mounting box, a transverse plate is fixedly arranged at the upper end of the adjusting component, and clamping components are fixedly arranged in the left part of the upper end and the right part of the upper end of the transverse plate. According to the self-centering clamp of the numerical control grinding machine, the adjusting component is arranged, when a machined part needs to change the machining direction, the motor drives the rotating column, the rotating column drives the main wheel, and the main wheel drives the auxiliary wheel and the connecting column, so that the rotating disc can drive the transverse plate to rotate, the machined part can realize direction adjustment, and the use efficiency is improved.

Description

Self-centering clamp of numerically controlled grinder

Technical Field

The utility model relates to the technical field of clamps, in particular to a self-centering clamp of a numerical control grinder.

Background

The fixture is a device for fixing a machining object in a correct position in a machine manufacturing process to receive construction or detection, and is also called a fixture (qi haj ǜ). In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.

The prior art (patent number: CN 217619940U) discloses a self-centering clamp of a numerically controlled grinder, which comprises a base with a cavity, wherein the right end surface of the base is provided with an end surface support; the left end face of the base is provided with an inner pull rod and an outer pull rod which penetrate through the base, and the outer pull rod is sleeved outside the inner pull rod and is coaxially arranged with the end face support; the right end part of the inner pull rod is fixed with a centering shaft which slides along the inner hole of the end face supporting center and can extend out of the end face of the inner pull rod; the outer pull rod is provided with a pull plate at the periphery, the pull plate is positioned in the cavity, a plurality of guide posts are arranged on the pull plate in a ring manner by taking the outer pull rod as a center, and the right ends of the guide posts extend out of the base and are connected with pressing claws; the centering shaft is used for centering the cylinder body, and the pressing claw is used for pressing the cylinder body to the end face support. The utility model has the beneficial effects that: under the drive of the respective clamp oil cylinders, the outer pull rod drives the pull plate, the guide pillar and the pressing claw to move rightwards together, and as the S-shaped groove is formed on the outer circle of the guide pillar, the pressing claw rotates 60 degrees around the axis of the guide pillar in the rightwards movement process of the guide pillar and the pressing claw, and then the inner pull rod drives the centering shaft to move rightwards along the inner hole supported by the end surface, so that the right end of the centering shaft extends out of the end surface of the inner hole supported by the end surface, and the feeding and the discharging are convenient; after the cylinder is installed, the outer pull rod drives the pull plate, the guide post and the pressing claw to move leftwards together under the drive of the respective clamp cylinder, so that the pressing claw moves leftwards and also rotates to press the right end surface of the cylinder, and then the inner pull rod drives the centering shaft to move leftwards along the inner hole supported by the end surface, so that the centering shaft completely withdraws from the inner hole of the cylinder, and the effects of self-centering of the inner hole and pressing of the end surface are achieved.

The existing self-centering clamp of the numerically-controlled grinder has the following defects that when the existing clamp needs to change the machining direction of a clamped workpiece, the workpiece needs to be detached from the clamp, and the workpiece is clamped after the direction is changed, and the machining efficiency is affected due to the fact that the operation process is complex, so that the novel self-centering clamp of the numerically-controlled grinder is provided.

Disclosure of Invention

The utility model mainly aims to provide a self-centering clamp of a numerically-controlled grinder, which can effectively solve the problem that a clamped workpiece is convenient to change direction.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a numerically control grinder self-centering anchor clamps, includes the base, a set of mounting hole of punching through from top to bottom has all been seted up to base upper end left portion and upper end right part, two sets of the mounting hole is bilateral symmetry distribution and every group sets up to two, base upper end middle part fixed mounting has the mounting box, the mounting box upper end is provided with the apron, mounting box inside fixed mounting has adjusting part, adjusting part upper end fixed mounting has the diaphragm, equal fixed mounting in diaphragm upper end left part and upper end right part has the clamping assembly.

Preferably, the two clamping assemblies are distributed in a bilateral symmetry mode, and the adjusting assembly penetrates through the cover plate and extends upwards.

Preferably, the adjusting component comprises a motor and a connecting column, the output end of the motor is fixedly connected with a rotating column, the upper end of the rotating column is fixedly connected with a main wheel, an auxiliary wheel is fixedly sleeved in the middle of the outer surface of the connecting column, the upper end of the connecting column is fixedly connected with a rotating disc, the motor is fixedly connected to the right side inside the installation box, and the connecting column is movably inserted and connected to the middle side inside the installation box.

Preferably, the main wheel and the auxiliary wheel are connected together in a meshed manner, and a gap exists between the main wheel and the inner wall of the installation box.

Preferably, the clamping assembly comprises a fixed plate, the right end of the fixed plate is fixedly connected with a hydraulic cylinder, the left end of the hydraulic cylinder penetrates through the fixed plate and is movably connected with a push rod, the left end of the push rod is fixedly connected with a clamping plate, the left end of the clamping plate is provided with an arc-shaped groove, and the fixed plate is fixedly connected with a transverse plate.

Preferably, the transverse plate and the rotating disc are fixedly connected together.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the clamped workpiece can change the machining direction by arranging the adjusting component, when the workpiece is used, the motor drives the rotating column, the rotating column drives the main wheel, the main wheel drives the auxiliary wheel and the connecting column, and the rotating disc can drive the transverse plate to rotate, so that the workpiece can realize direction adjustment, and the use efficiency is improved;

2. according to the utility model, the clamping effect of the workpiece can be improved by arranging the clamping assembly, when the workpiece is required to be processed in use, the two pushing rods are driven to move by the two hydraulic cylinders, the two clamping plates are driven to be adjusted by the two pushing rods, the workpiece is placed between the two clamping plates, and the two pushing rods are driven by the two hydraulic cylinders, so that the two clamping plates are convenient for clamping the workpiece.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a self-centering fixture of a numerically controlled grinder;

FIG. 2 is a cross-sectional view of the whole structure of a self-centering fixture of the numerically controlled grinder of the present utility model;

FIG. 3 is a schematic view of the overall structure of an adjusting assembly of a self-centering fixture of a numerically controlled grinder according to the present utility model;

fig. 4 is a schematic diagram of the overall structure of a clamping assembly of the self-centering clamp of the numerically controlled grinder.

In the figure: 1. a base; 2. a mounting hole; 3. a mounting box; 4. a cover plate; 5. an adjustment assembly; 6. a cross plate; 7. a clamping assembly; 51. a motor; 52. rotating the column; 53. a main wheel; 54. a connecting column; 55. an auxiliary wheel; 56. a rotating disc; 71. a fixing plate; 72. a hydraulic cylinder; 73. a push rod; 74. a clamping plate; 75. an arc-shaped groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-4, a self-centering fixture of a numerically controlled grinder comprises a base 1, wherein a group of mounting holes 2 penetrating up and down are formed in the left part of the upper end and the right part of the upper end of the base 1, the two groups of mounting holes 2 are distributed in a bilateral symmetry manner, each group of mounting holes is two, a mounting box 3 is fixedly mounted in the middle of the upper end of the base 1, a cover plate 4 is arranged at the upper end of the mounting box 3, an adjusting component 5 is fixedly mounted in the mounting box 3, a transverse plate 6 is fixedly mounted at the upper end of the adjusting component 5, and clamping components 7 are fixedly mounted at the left part of the upper end and the right part of the upper end of the transverse plate 6; the two clamping assemblies 7 are distributed in a bilateral symmetry mode, and the adjusting assembly 5 penetrates through the cover plate 4 and extends upwards.

The adjusting component 5 comprises a motor 51 and a connecting column 54, wherein the output end of the motor 51 is fixedly connected with a rotating column 52, the upper end of the rotating column 52 is fixedly connected with a main wheel 53, the middle part of the outer surface of the connecting column 54 is fixedly sleeved with an auxiliary wheel 55, the upper end of the connecting column 54 is fixedly connected with a rotating disc 56, the motor 51 is fixedly connected to the right side inside the mounting box 3, and the connecting column 54 is movably inserted and connected to the middle side inside the mounting box 3; the main wheel 53 and the auxiliary wheel 55 are meshed and connected together, and a gap exists between the main wheel 53 and the inner wall of the installation box 3; the motor 51 drives the rotating column 52, the rotating column 52 drives the main wheel 53, and the main wheel 53 drives the auxiliary wheel 55 and the connecting column 54, so that the rotating disc 56 can drive the transverse plate 6 to rotate, and the direction of the machined part can be adjusted, so that the use efficiency is improved.

The clamping assembly 7 comprises a fixed plate 71, the right end of the fixed plate 71 is fixedly connected with a hydraulic cylinder 72, the left end of the hydraulic cylinder 72 penetrates through the fixed plate 71 and is movably connected with a push rod 73, the left end of the push rod 73 is fixedly connected with a clamping plate 74, the left end of the clamping plate 74 is provided with an arc groove 75, and the fixed plate 71 is fixedly connected to the transverse plate 6; the transverse plate 6 and the rotating disc 56 are fixedly connected together; when a workpiece is required to be processed, the two push rods 73 are driven to move through the two hydraulic cylinders 72, the two clamping plates 74 are driven to be adjusted through the two push rods 73, a workpiece is placed between the two clamping plates 74, and the two push rods 73 are driven by the two hydraulic cylinders 72, so that the two clamping plates 74 are convenient for clamping the workpiece.

It should be noted that, the utility model is a self-centering fixture of a numerically controlled grinder, through setting up the regulating assembly 5, make the work piece that is well clamped change the processing direction, when using, when the work piece needs to change the processing direction, drive the rotary column 52 through the motor 51, then drive the main wheel 53 by the rotary column 52, drive the auxiliary wheel 55 and connecting column 54 through the main wheel 53, make the rotary disk 56 can drive the diaphragm 6 to rotate, make the work piece can realize the direction adjustment, thus raise the availability factor; through setting up clamping assembly 7, can improve the centre gripping effect of work piece, when using, when the work piece needs to process, drive two push rods 73 through two pneumatic cylinders 72 and remove, drive two grip blocks 74 by two push rods 73 again and adjust, place the machined part between two grip blocks 74 to drive two push rods 73 by two pneumatic cylinders 72, make two grip blocks 74 be convenient for carry out the centre gripping to the work piece.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerically control grinder self-centering anchor clamps, includes base (1), its characterized in that: the novel anti-theft device is characterized in that a group of mounting holes (2) penetrating up and down are formed in the left part of the upper end of the base (1) and the right part of the upper end of the base, the two groups of mounting holes (2) are distributed in a bilateral symmetry mode, two groups of mounting holes are formed in each group of mounting holes, a mounting box (3) is fixedly mounted in the middle of the upper end of the base (1), a cover plate (4) is arranged at the upper end of the mounting box (3), an adjusting component (5) is fixedly mounted in the mounting box (3), a transverse plate (6) is fixedly mounted at the upper end of the adjusting component (5), and a clamping component (7) is fixedly mounted at the left part of the upper end of the transverse plate (6) and the right part of the upper end of the transverse plate.

2. The self-centering fixture of a numerically controlled grinder as set forth in claim 1, wherein: the two clamping assemblies (7) are distributed symmetrically left and right, and the adjusting assemblies (5) penetrate through the cover plate (4) and extend upwards.

3. The self-centering fixture of a numerically controlled grinder as set forth in claim 2, wherein: the adjusting component (5) comprises a motor (51) and a connecting column (54), wherein the output end of the motor (51) is fixedly connected with a rotating column (52), the upper end of the rotating column (52) is fixedly connected with a main wheel (53), an auxiliary wheel (55) is fixedly sleeved on the middle of the outer surface of the connecting column (54), the upper end of the connecting column (54) is fixedly connected with a rotating disc (56), the motor (51) is fixedly connected to the right side inside the mounting box (3), and the connecting column (54) is movably inserted and connected to the middle side inside the mounting box (3).

4. A numerically controlled grinder self-centering fixture as claimed in claim 3, wherein: the main wheel (53) and the auxiliary wheel (55) are connected together in a meshed mode, and a gap exists between the main wheel (53) and the inner wall of the installation box (3).

5. The self-centering fixture of a numerically controlled grinder as set forth in claim 4, wherein: the clamping assembly (7) comprises a fixed plate (71), the right end of the fixed plate (71) is fixedly connected with a hydraulic cylinder (72), the left end of the hydraulic cylinder (72) penetrates through the fixed plate (71) and is movably connected with a push rod (73), the left end of the push rod (73) is fixedly connected with a clamping plate (74), the left end of the clamping plate (74) is provided with an arc-shaped groove (75), and the fixed plate (71) is fixedly connected with a transverse plate (6).

6. The self-centering fixture of a numerically controlled grinder as set forth in claim 5, wherein: the transverse plate (6) and the rotating disc (56) are fixedly connected together.