CN216576637U

CN216576637U - Auxiliary tool clamp for numerical control machining center

Info

Publication number: CN216576637U
Application number: CN202122948003.6U
Authority: CN
Inventors: 李军; 夏欢; 崔宏俊; 戴来好
Original assignee: Hefei Liangsheng Precision Machinery Co ltd
Current assignee: Hefei Liangsheng Precision Machinery Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-24
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses an auxiliary tool clamp of a numerical control machining center, which comprises a base, wherein the front end and the rear end of the base are fixedly connected with two mounting lugs, the upper ends of the four mounting lugs are respectively provided with a through mounting hole, the left part and the right part of the upper end of the base are respectively and fixedly connected with two supporting blocks and two telescopic cylinders, the two supporting blocks are positioned between the two telescopic cylinders, opposite surfaces of the two supporting blocks are respectively provided with a through chute at the upper part, the two chutes are internally and slidably connected with pushing devices, the lower ends of the two pushing devices are respectively and fixedly connected with the output ends of the telescopic cylinders, the upper parts of the front ends and the upper parts of the rear ends of the two supporting blocks are respectively and fixedly connected with connecting blocks, and one sides of the four connecting blocks, which are far away from the supporting blocks, are respectively and movably connected with a V-shaped clamping rod. The auxiliary tool clamp for the numerical control machining center can better fit the outer surface of a cylindrical workpiece, improves the clamping effect, is convenient to operate and saves time.

Description

Auxiliary tool clamp for numerical control machining center

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to an auxiliary tool clamp of a numerical control machining center.

Background

The numerical control machining is a technological method for machining parts on a numerical control machine tool, and the technological procedures of the numerical control machine tool machining and the traditional machine tool machining are consistent from the whole, but are obviously changed. The machining method uses digital information to control the displacement of parts and tools. The tool clamp is an effective way for solving the problems of variable part varieties, small batch, complex shape, high precision requirement and the like and realizing high efficiency and automatic processing, is a mechanical part commonly used in numerical control processing, and has at least the following defects in the structure of the conventional auxiliary tool clamp for numerical control processing: 1. in the process of clamping a cylindrical workpiece by using the conventional tool clamp, the clamp structure is not easy to cling to the outer surface of the cylindrical workpiece, so that the clamping stability of the cylindrical workpiece is influenced, and the machining effect is influenced; 2. the conventional tool clamp is complex in operation and time-wasting in the process of clamping and releasing a clamping state of a workpiece, so that an auxiliary tool clamp of a numerical control machining center is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an auxiliary tool clamp of a numerical control machining center, which can effectively solve the problems in the background technology.

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

the utility model provides a frock clamp is assisted to numerical control machining center, includes the base, two installation ears of the equal fixedly connected with in base front end and rear end, four the mounting hole that has the break-over is all opened to installation ear upper end, two supporting shoes and two telescopic cylinder of the equal fixedly connected with in base upper end left part and upper end right part, two the supporting shoe is located between two telescopic cylinder, two the spout of upper portion break-over is all opened to the opposite face of supporting shoe, two equal sliding connection has thrust unit in the spout, and two thrust unit's lower extreme all with telescopic cylinder's output fixed connection, two the equal fixedly connected with connecting block in supporting shoe front end upper portion and rear end upper portion, four the equal swing joint in one side that the supporting shoe was kept away from to the connecting block has V type clamping bar, four sliding connection between the lower part of V type clamping bar respectively and two thrust unit.

Preferably, thrust unit includes the triangle-shaped piece, the trapezoidal slider of one end fixedly connected with that the triangle-shaped piece is close to the supporting shoe, triangle-shaped piece upper end fixedly connected with connecting rod, connecting rod upper end fixedly connected with U type piece, there is lower clamp wheel through pivot swing joint in the U type piece.

Preferably, the lower end of the triangular block is fixedly connected with the output end of the telescopic cylinder, the trapezoidal sliding block is connected in the sliding groove in a sliding mode, and the lower clamping wheel is not in contact with the U-shaped block.

Preferably, the middle part of the V-shaped clamping rod is alternately connected with a connecting shaft, the V-shaped clamping rod is movably connected with a connecting block through the connecting shaft, the upper part and the lower part of the V-shaped clamping rod are respectively provided with a movable groove, and the movable grooves are respectively and movably connected with side clamping wheels through rotating shafts.

Preferably, the side clamping wheel is not in contact with the V-shaped clamping rod, and the side clamping wheel positioned below is clung to the triangular block.

Preferably, the telescopic cylinder is not in contact with the supporting blocks, the four V-shaped clamping rods are symmetrically distributed in pairs in a front-back direction, and the two supporting blocks are symmetrically distributed in a left-right direction.

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

1. according to the utility model, two pushing devices are arranged, the two pushing devices are respectively attached to four V-shaped clamping rods in pairs, and the two pushing devices are respectively pushed to move upwards through two telescopic cylinders, so that lower clamping wheels on the pushing devices are attached to the lower surface of a cylindrical workpiece, meanwhile, the pushing V-shaped clamping rods on the pushing devices are subjected to angle change, and side clamping wheels on the upper parts of the four V-shaped clamping rods simultaneously press the front and rear outer surfaces of the cylindrical workpiece, so that a tool clamp can be better adapted to the outer surface of the cylindrical workpiece, the clamping stability is enhanced, and the machining effect is improved;

2. according to the utility model, the side clamping wheels at the lower parts of the four V-shaped clamping rods are respectively contacted with the bevel edges of the triangular blocks on the two pushing devices, so that the cylindrical workpiece can be rapidly clamped and fixed under the pushing action of the telescopic cylinder, the contact clamping state is rapid, and the time is saved.

Drawings

FIG. 1 is a schematic view of an overall structure of an auxiliary tool clamp of a numerical control machining center according to the present invention;

FIG. 2 is a schematic view of the overall structure of a pushing device of an auxiliary tool clamp of a numerical control machining center according to the present invention;

FIG. 3 is a schematic view of a V-shaped clamping bar connection structure of an auxiliary tool clamp of a numerical control machining center according to the present invention;

fig. 4 is a schematic view of a working state of the auxiliary tool clamp of the numerical control machining center according to the present invention.

In the figure: 1. a base; 2. mounting lugs; 3. mounting holes; 4. a support block; 5. a telescopic cylinder; 6. a chute; 7. connecting blocks; 8. a V-shaped clamping rod; 9. a pushing device; 10. a triangular block; 11. a trapezoidal slider; 12. a connecting rod; 13. a U-shaped block; 14. a lower clamping wheel; 15. a connecting shaft; 16. a movable groove; 17. side pinch roller.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

an auxiliary tool clamp of a numerical control machining center comprises a base 1, wherein two mounting lugs 2 are fixedly connected to the front end and the rear end of the base 1, penetrating mounting holes 3 are formed in the upper ends of the four mounting lugs 2, two supporting blocks 4 and two telescopic air cylinders 5 are fixedly connected to the left portion and the right portion of the upper end of the base 1, the two supporting blocks 4 are located between the two telescopic air cylinders 5, sliding grooves 6 with upper parts penetrating are formed in opposite surfaces of the two supporting blocks 4, pushing devices 9 are connected to the two sliding grooves 6 in a sliding mode, and the lower extreme of two thrust unit 9 all with telescopic cylinder 5's output fixed connection, two supporting shoe 4 front end upper portions and the equal fixedly connected with connecting block 7 in rear end upper portion, four connecting block 7 keep away from the equal swing joint of one side of supporting shoe 4 has V type clamping bar 8, four V type clamping bar 8's lower part respectively with between two thrust unit 9 sliding connection.

In this embodiment, the pushing device 9 includes a triangular block 10, one end of the triangular block 10 close to the supporting block 4 is fixedly connected with a trapezoidal slider 11, the upper end of the triangular block 10 is fixedly connected with a connecting rod 12, the upper end of the connecting rod 12 is fixedly connected with a U-shaped block 13, and a lower clamping wheel 14 is movably connected in the U-shaped block 13 through a rotating shaft; the lower end of the triangular block 10 is fixedly connected with the output end of the telescopic cylinder 5, the trapezoidal sliding block 11 is connected in the sliding groove 6 in a sliding mode, the trapezoidal sliding block 11 can improve the stability of the triangular block 10 in the moving process, the lower clamping wheel 14 is not in contact with the U-shaped block 13, and the rolling of the lower clamping wheel 14 is prevented from being influenced; the middle parts of the V-shaped clamping rods 8 are respectively and alternately connected with a connecting shaft 15, the V-shaped clamping rods 8 are movably connected with the connecting block 7 through the connecting shafts 15, the upper parts and the lower parts of the V-shaped clamping rods 8 are respectively provided with a movable groove 16, and side clamping wheels 17 are respectively and movably connected in the movable grooves 16 through rotating shafts; the side clamping wheels 17 are not in contact with the V-shaped clamping rods 8, so that the normal rolling of the side clamping wheels 17 is avoided being influenced, the side clamping wheels 17 positioned below are tightly attached to the triangular blocks 10, and the size of an included angle between the lower parts of the two V-shaped clamping rods 8 can be changed in the upward moving process of the triangular blocks 10; the telescopic cylinder 5 is not contacted with the supporting blocks 4, the four V-shaped clamping rods 8 are symmetrically distributed in a front-back manner in pairs, and the two supporting blocks 4 are symmetrically distributed in a left-right manner.

It should be noted that, the utility model is a numerical control machining center auxiliary tooling fixture, in the using process, an operator places a cylindrical workpiece on two pushing devices 9, the cylindrical workpiece is positioned between four V-shaped clamping bars 8, the two telescopic cylinders 5 push a triangular block 10 to move upwards by controlling the two telescopic cylinders 5 to work, in the process, a trapezoidal slider 11 slides in a chute 6, the stability of the triangular block 10 in the moving process can be improved, under the pushing of the triangular block 10, two lower clamping wheels 14 slowly jack up the cylindrical workpiece, and along with the upward movement of the triangular block 10, side clamping wheels 17 at the lower part of the V-shaped clamping bars 8 roll on the inclined planes at the front part and the rear part of the triangular block 10, so that the angles at the lower parts of the two V-shaped clamping bars 8 are slowly changed, because the V-shaped clamping bars 8 are movably connected with a connecting block 7, when the angles at the lower parts of the two V-shaped clamping bars 8 are increased, the angle on 8 upper portions of two V type clamping bars slowly diminishes, thereby make the side pinch roller 17 on 8 upper portions of V type clamping bar slowly paste the outside of tight cylinder work piece, and then make two sides on the V type clamping bar 8 pinch roller 17 and the lower pinch roller 14 on thrust unit 9 respectively to the surface front portion of cylinder work piece, surface rear portion and surface lower part form the tight centre gripping state in top, make the surface that the centre gripping work piece pasted tight cylinder work piece more, reinforcing centre gripping effect, improve numerical control machining center to surface machining's on the cylinder work piece stability, and after processing, direct control telescopic cylinder 5 contracts, can the clamping action of quick contact to the work piece surface, save time, be convenient for get the material.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a numerical control machining center auxiliary fixtures anchor clamps, includes base (1), its characterized in that: the front end and the rear end of the base (1) are fixedly connected with two mounting lugs (2), the upper ends of the four mounting lugs (2) are respectively provided with a through mounting hole (3), the left part and the right part of the upper end of the base (1) are respectively fixedly connected with two supporting blocks (4) and two telescopic cylinders (5), the two supporting blocks (4) are positioned between the two telescopic cylinders (5), the opposite surfaces of the two supporting blocks (4) are respectively provided with a chute (6) with an upper part through, the two chutes (6) are respectively and slidably connected with pushing devices (9), the lower ends of the two pushing devices (9) are respectively and fixedly connected with the output ends of the telescopic cylinders (5), the upper parts of the front end and the upper part of the rear end of the two supporting blocks (4) are respectively and fixedly connected with connecting blocks (7), and one sides of the four connecting blocks (7) far away from the supporting blocks (4) are respectively and movably connected with a V-shaped clamping rod (8), the lower parts of the four V-shaped clamping rods (8) are respectively connected with the two pushing devices (9) in a sliding manner.

2. The auxiliary tool clamp for the numerical control machining center according to claim 1, characterized in that: the pushing device (9) comprises a triangular block (10), one end of the triangular block (10) close to the supporting block (4) is fixedly connected with a trapezoidal sliding block (11), the upper end of the triangular block (10) is fixedly connected with a connecting rod (12), the upper end of the connecting rod (12) is fixedly connected with a U-shaped block (13), and a lower clamping wheel (14) is movably connected into the U-shaped block (13) through a rotating shaft.

3. The auxiliary tool clamp for the numerical control machining center according to claim 2, characterized in that: the lower end of the triangular block (10) is fixedly connected with the output end of the telescopic cylinder (5), the trapezoidal sliding block (11) is connected in the sliding groove (6) in a sliding mode, and the lower clamping wheel (14) is not in contact with the U-shaped block (13).

4. The auxiliary tool clamp for the numerical control machining center according to claim 1, characterized in that: v type clamping bar (8) middle part all alternates and is connected with connecting axle (15), V type clamping bar (8) are through connecting axle (15) and connecting block (7) swing joint, movable groove (16) have all been opened to the upper portion and the lower part of V type clamping bar (8), all there is side pinch roller (17) through pivot swing joint in movable groove (16).

5. The auxiliary tool clamp for the numerical control machining center according to claim 4, characterized in that: the side clamping wheels (17) are not in contact with the V-shaped clamping rods (8), and the side clamping wheels (17) positioned below are tightly attached to the triangular blocks (10).

6. The auxiliary tool clamp for the numerical control machining center according to claim 1, characterized in that: the telescopic air cylinders (5) are not in contact with the supporting blocks (4), four V-shaped clamping rods (8) are symmetrically distributed in a front-back direction in pairs, and the two supporting blocks (4) are symmetrically distributed in a left-right direction.