CN221871152U - A convenient disassembly and assembly clamping structure for CNC machine tools - Google Patents

Abstract

The utility model discloses a convenient dismounting and clamping structure for a numerical control machine tool, which comprises a base and a clamp seat arranged on the upper end surface of the base, wherein two positioning holes a are formed in the upper end surface of the base, through holes corresponding to the positioning holes a are formed in the lower end surface of the clamp seat, rotating rods are arranged in the positioning holes a and the through holes, slotted holes a are formed in the lower end part of the rotating rods, slotted holes b corresponding to the slotted holes a are formed in the positioning holes a, and a group of limiting components for fixing the rotating rods are arranged in the slotted holes a and the slotted holes b. According to the utility model, the limiting component is clamped into the slotted hole b through rotation, so that the rotating rod and the clamp seat at the upper end of the rotating rod are fixed and limited, and the clamp seat is simpler and more convenient to assemble and disassemble.

Description

A convenient disassembly and assembly clamping structure for CNC machine tools

Technical Field

The utility model relates to the field of fixture installation structures, in particular to a convenient disassembly and assembly clamping structure for a numerically controlled machine tool.

Background Art

With the continuous deepening of the industrialization process, the furniture commonly used in CNC machine tools in my country currently include combined fixtures, group fixtures, automated fixtures, CNC machine tool fixtures, etc., and as the modern manufacturing industry has higher and higher requirements for processing accuracy, processing speed, etc., allowing CNC machine tool fixtures to adapt to the needs of modern processing has become the focus of current mechanical processing industry.

In the comparative document of the installation structure of a fixture for a CNC machine tool proposed in the announcement number CN219234571U, it is specifically proposed that "it includes a base, a positioning groove is provided in the inner cavity of the base, a positioning column is provided in the inner cavity of the positioning groove, a card slot is provided on the outer side of the positioning column, the top of the positioning column passes through the top of the base and is connected to a bearing plate, the two sides of the top of the bearing plate are fixed with a fixture body, and the two sides of the inner cavity of the base are provided with partitions."

The inventors have found that during the removal process of the clamp in the comparative document, the push rods at both ends need to be pressed down at the same time, and the supporting plate needs to be lifted up while the push rods are pressed down, which requires two people to operate at the same time. It is difficult to remove the clamp with only one person. For this reason, we propose a convenient disassembly and assembly clamping structure for CNC machine tools.

Utility Model Content

The purpose of the utility model is to provide a convenient disassembly and assembly clamping structure for a CNC machine tool to solve the problems raised in the above-mentioned background technology.

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

A convenient disassembly and assembly clamping structure for a CNC machine tool comprises a base and a fixture seat arranged on the upper end surface of the base, wherein the upper end surface of the base is provided with two positioning holes a, and the lower end surface of the fixture seat is provided with through holes corresponding to the positioning holes a, and a rotating rod is arranged in the positioning hole a and the through holes, and a slot a is arranged at the lower end of the rotating rod, and a slot b corresponding to the slot a is arranged in the positioning hole a, and a group of limiting components for fixing the rotating rod are arranged in the slot a and the slot b.

Preferably, the limit assembly includes a pin slidably disposed in the slot a, a slope disposed at one end of the pin, and a return spring fixedly disposed at the other end of the pin, and the other end of the return spring is fixedly connected to the bottom of the slot a.

As a preferred embodiment, rectangular slide grooves are provided at both upper and lower ends of the inner wall of the slot a, and rectangular blocks corresponding to the rectangular slide grooves are provided on both sides of the latch near the inclined surface.

As a preference, a limiting ring is provided at the upper end of the rotating rod, and the diameter of the limiting ring is larger than the diameter of the rotating rod.

As a preference, a rotating handle is provided at the upper end of the limiting ring, and the rotating handle is in the shape of a cross protrusion.

As another preferred embodiment, a sliding groove is provided in the middle of the upper end surface of the clamp seat, and two groups of clamps are slidably arranged in the sliding groove.

Beneficial effects of the utility model:

In the utility model, a slot a is provided in the positioning hole a, a slot b corresponding to the slot a is provided at the lower end of the rotating rod, and a group of limiting components for fixing the rotating rod are provided in the slot a and the slot b. By manually rotating the rotating rod, the pin in the slot a is clamped into the slot b by the elastic force of the return spring, thereby fixing and limiting the rotating rod and the clamp seat at the upper end of the rotating rod, so that the disassembly and assembly of the clamp seat is simpler and more convenient.

In summary, the device has the advantages of simple and convenient operation, and is particularly suitable for the field of fixture installation structures.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

FIG. 1 is a schematic diagram of a structure of a convenient disassembly and assembly clamping structure for a CNC machine tool.

FIG. 2 is a cross-sectional schematic diagram of a convenient disassembly and assembly clamping structure for a CNC machine tool.

FIG. 3 is a cross-sectional schematic diagram of a convenient disassembly and assembly clamping structure for a CNC machine tool.

FIG. 4 is a partial enlarged view of point A in FIG. 3 .

FIG. 5 is a schematic structural diagram of a rotating rod.

In the figure: 1-base; 2-clamp seat; 3-positioning hole a; 4-through hole; 5-rotating rod; 6-slot hole a; 7-slot hole b; 8-limiting component; 21-sliding groove; 22-clamp; 51-limiting ring; 52-rotating handle; 61-rectangular slide groove; 62-rectangular block; 81-latch pin; 82-inclined surface; 83-reset spring.

DETAILED DESCRIPTION

The following is a clear and complete description of the technical solutions in the embodiments of the present invention 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 the embodiments.

Embodiment 1

Referring to Figures 1-5, a convenient disassembly and assembly clamping structure for a CNC machine tool includes a base 1 and a clamp seat 2 arranged on the upper end surface of the base 1, the upper end surface of the base 1 is provided with two positioning holes a3, the lower end surface of the clamp seat 2 is provided with a through hole 4 corresponding to the positioning hole a3, a rotating rod 5 is arranged in the positioning hole a3 and the through hole 4, a slot a6 is arranged at the lower end of the rotating rod 5, a slot b7 corresponding to the slot a6 is arranged in the positioning hole a3, and a group of limiting components 8 for fixing the rotating rod 5 are jointly arranged in the slot a6 and the slot b7.

3-5 , the limit assembly 8 includes a latch 81 slidably disposed in the slot a6, a slope 82 disposed at one end of the latch 81, and a return spring 83 fixedly disposed at the other end of the latch 81, and the other end of the return spring 83 is fixedly connected to the bottom of the slot a6.

In this embodiment, the return spring 83 at one end of the latch pin 81 provides an elastic force, so that the latch pin 81 can be inserted into the slot a6 by the elastic force of the return spring 83 during the rotation of the rotating rod 5 .

4-5 , rectangular slide grooves 61 are provided at both upper and lower ends of the inner wall of the slot a6 , and rectangular blocks 62 corresponding to the rectangular slide grooves 61 are provided on both sides of the latch 81 close to the inclined surface 82 .

It is worth mentioning here that by sliding the rectangular block 62 in the rectangular slide groove 61, the direction of the inclined surface 82 can be limited to ensure that when the rotating rod 5 rotates to the left, the inclined surface 82 abuts against the slot a6, and the pin 81 can be squeezed back into the slot a6.

5 , a limiting ring 51 is disposed at the upper end of the rotating rod 5 , and the diameter of the limiting ring 51 is greater than the diameter of the rotating rod 5 .

In this embodiment, by providing a limit ring 51 at the upper end of the rotating rod 5, when the clamp seat 2 is lifted, the clamp seat 2 and the rotating rod 5 can be lifted and disassembled synchronously.

2-5 , a rotating handle 52 is provided at the upper end of the limiting ring 51 , and the rotating handle 52 is in a cross-shaped protrusion.

It is worth mentioning that the locking of the base 1 by the latch 81 can be controlled by manually rotating the rotating handle 52 .

2 , a sliding groove 21 is provided in the middle of the upper end surface of the clamp seat 2 , and two groups of clamps 22 are slidably arranged in the sliding groove 21 .

The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims (6)

1. The utility model provides a digit control machine tool is with convenient dismouting clamping structure, includes base (1) and sets up anchor clamps seat (2) at base (1) up end, its characterized in that: two locating holes a (3) are formed in the upper end face of the base (1), a through hole (4) corresponding to the locating hole a (3) is formed in the lower end face of the clamp seat (2), a rotating rod (5) is arranged in the locating hole a (3) and the through hole (4), a slotted hole a (6) is formed in the lower end portion of the rotating rod (5), a slotted hole b (7) corresponding to the slotted hole a (6) is formed in the locating hole a (3), and a group of limiting assemblies (8) for fixing the rotating rod (5) are arranged in the slotted hole a (6) and the slotted hole b (7) together.

2. The convenient dismounting and clamping structure for the numerical control machine tool according to claim 1, wherein the limiting component (8) comprises a bolt (81) arranged in the slotted hole a (6) in a sliding mode, an inclined plane (82) arranged at one end of the bolt (81) and a reset spring (83) fixedly arranged at the other end of the bolt (81), and the other end of the reset spring (83) is fixedly connected with the bottom of the slotted hole a (6).

3. The convenient dismounting and mounting structure for the numerical control machine tool according to claim 2, wherein rectangular sliding grooves (61) are formed in the upper end and the lower end of the inner wall of the slotted hole a (6), and rectangular blocks (62) corresponding to the rectangular sliding grooves (61) are arranged on two sides, close to the inclined planes (82), of the plug pins (81).

4. The convenient dismounting and mounting structure for the numerical control machine tool according to claim 1, wherein a limit ring (51) is arranged at the upper end of the rotating rod (5), and the diameter of the limit ring (51) is larger than that of the rotating rod (5).

5. The convenient dismounting and mounting structure for the numerical control machine tool according to claim 4, wherein a rotating handle (52) is arranged at the upper end part of the limiting ring (51), and the rotating handle (52) is in a cross-shaped bulge shape.

6. The convenient dismounting and clamping structure for the numerical control machine tool according to claim 1 is characterized in that a sliding groove (21) is formed in the middle of the upper end face of the clamp base (2), and two groups of clamps (22) are arranged in the sliding groove (21) in a sliding mode.