CN212887195U

CN212887195U - Internal expansion tooling clamp

Info

Publication number: CN212887195U
Application number: CN202021449460.XU
Authority: CN
Inventors: 马学斌; 赵煜民
Original assignee: Beijing Lxt Technology Co ltd
Current assignee: Beijing Lxt Technology Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-04-06
Anticipated expiration: 2030-07-21

Abstract

The utility model is suitable for a fixed frock technical field provides an internal expanding frock clamp, including fixed block, interior pole and rotating member, be equipped with at least one spacing groove on the fixed block, and interior pole one side is equipped with the spacing post with spacing groove assorted; interior pole tip passes through the connecting rod and connects the fixed block, be equipped with on the fixed block with rotating member assorted uide bushing, the rotating member tip is the slope setting, and the tip opposition end that the rotating member slope set up is equipped with the dog, and the dog diameter is greater than the uide bushing diameter, and the rotating member tip that the slope set up is equipped with a plurality of evenly distributed's ball, and interior pole tip is equipped with the slope section, and the slope section is by interior toward outer angle grow gradually. Therefore, the utility model discloses can effectively realize the regulation to interior pole position, make it realize pressing from both sides the tight clamp of rising of work piece internal diameter and get, improve machining efficiency and processingquality to the work piece surface.

Description

Internal expansion tooling clamp

Technical Field

The utility model relates to a fixed frock technical field especially relates to an internal expanding shape frock clamp.

Background

In the process of machining a workpiece, the workpiece needs to be fixed, so that the stability of the workpiece in the machining process is guaranteed, fixing parts such as calipers are generally adopted for fixing the workpiece, and when the fixing parts such as the calipers are utilized for fixing the outer part of the workpiece with the outer surface needing to be machined, local machining cannot be conducted, and then the phenomenon of secondary clamping occurs, so that the phenomenon of reduction of the working efficiency can be caused.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, an object of the utility model is to provide an internal expanding shape frock clamp, it can effectively realize the tight centre gripping that rises to the work piece internal diameter to the realization improves work efficiency to the effective processing of work piece surface, reduces to press from both sides and gets the time.

In order to achieve the purpose, the utility model provides an inner expanding tool clamp, which comprises a fixed block, an inner rod movably connected with the fixed block and a rotating part abutted against the end part of the inner rod, wherein the fixed block is provided with at least one limiting groove, one side of the inner rod is provided with a limiting post matched with the limiting groove, and the inner rod is provided with at least two rods; the fixed block is connected through the connecting rod to interior pole tip, be equipped with on the fixed block with rotating member assorted uide bushing, the rotating member tip is the slope setting, just the tip opposition end that the rotating member slope set up is equipped with the dog, the dog diameter is greater than the uide bushing diameter, the rotating member tip that the slope set up is equipped with a plurality of evenly distributed's ball, interior pole tip is equipped with the slope section, just the slope section is by interior toward outer angle grow gradually.

According to the utility model discloses an internal expanding shape frock clamp, the spacing groove is equipped with two, is first spacing groove and second spacing groove respectively.

According to the utility model discloses an internal expanding shape frock clamp, the connecting rod tip is equipped with the guide post, just the guide post activity is in first spacing inslot.

According to the utility model discloses an internal expanding shape frock clamp, spacing post activity in the spacing inslot of second, just spacing toe portion semicircular in shape sets up.

According to the utility model discloses an internal expanding shape frock clamp, both ends are equipped with splint about the fixed block, splint pass through fixing bolt and connect the fixed block.

According to the utility model discloses an internal expanding shape frock clamp, the fixing bolt upper end is equipped with the baffle, just the baffle diameter is greater than the fixing bolt diameter.

According to the utility model discloses an internal expanding shape frock clamp, the rotating member is the screw rod, the uide bushing is the thread bush, the screw rod tip is equipped with rotatory handle.

According to the utility model discloses an internal expanding shape frock clamp, interior pole semicircular in shape sets up, just interior pole surface is equipped with anti-skidding structure, anti-skidding structure is anti-skidding line or anti-skidding point or anti-skidding groove.

The utility model provides an internal expanding tooling fixture, which comprises a fixed block, an inner rod movably connected with the fixed block and a rotating part butted with the end part of the inner rod, wherein the fixed block is provided with at least one limiting groove, one side of the inner rod is provided with a limiting post matched with the limiting groove, the inner rod is provided with at least two rods, and the inner rod realizes effective tensioning clamping on the inner diameter of a workpiece in the moving process through the at least two inner rods, thereby ensuring the stability of the workpiece in the processing process; the fixed block is connected through the connecting rod to interior pole tip, be equipped with on the fixed block with rotating member assorted uide bushing, the rotating member tip is the slope setting, just the tip opposition end that the rotating member slope set up is equipped with the dog, the dog diameter is greater than the uide bushing diameter, the rotating member tip that the slope set up is equipped with a plurality of evenly distributed's ball, interior pole tip is equipped with the slope section, just the slope section is by interior toward outer angle grow gradually, is the rotating member that the slope set up and the interior pole that has the slope section through the tip, makes two interior poles under the removal of rotating member, can realize the change of distance each other, and then realizes the tight fixed that rises to work piece inside. The utility model has the advantages that: the inner rod is pushed through the moving of the rotating piece, so that the distance between the two inner rods is changed, the two inner rods are convenient to use, the inner diameter of the workpiece is effectively clamped through tensioning, the effective processing of the outer surface of the workpiece is guaranteed, the clamping times are reduced, and the processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a right side view of the inner rod of the present invention;

FIG. 3 is a schematic structural view of a rotary member of the present invention;

in the figure, 1-a fixed block, 11-a first limit groove, 12-a second limit groove, 2-an inner rod, 21-an inclined section, 22-a limit column, 3-a rotating part, 31-a stop block, 32-a ball, 4-a connecting rod, 5-a guide sleeve, 61-a fixed bolt, 62-a clapboard and 63-a clamping plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, the utility model provides an internal expanding tooling fixture, which comprises a fixed block 1, an inner rod 2 movably connected with the fixed block 1 and a rotating part 3 abutting against the end part of the inner rod 2, wherein the fixed block 1 is provided with at least one limiting groove, one side of the inner rod 2 is provided with a limiting column 22 matched with the limiting groove, the inner rod 2 is provided with at least two rods 2, so that the internal diameter of a workpiece can be effectively clamped by expanding and tightening in the moving process through the at least two inner rods 2, and the stability of the workpiece in the processing process is ensured; 2 tip of interior pole pass through connecting rod 4 and connect fixed block 1, be equipped with on the fixed block 1 with 3 assorted uide bushing 5 of rotating member, 3 tip of rotating member are the slope setting, just the tip opposition end that 3 slopes to set up of rotating member is equipped with dog 31, dog 31 diameter is greater than 5 diameters of uide bushing, 3 tip of rotating member that the slope set up are equipped with a plurality of evenly distributed's

ball

32, 2 tip of interior pole are equipped with slope section 21, just slope section 21 is by inside toward outer angle grow gradually, is the rotating member 3 that the slope set up and the interior pole 2 that has slope section 21 through the tip, makes two interior poles 2 under the removal of rotating member 3, can realize the change of distance each other, and then realize the inside tight fixed that rises of work piece.

Preferably, the utility model discloses a spacing groove is equipped with two, is first spacing groove 11 and second spacing groove 12 respectively, utilizes two spacing grooves to effectively strengthen interior pole 2 stability at the removal in-process, and then guarantees that it can effectively realize pressing from both sides the clamp to the tight clamp of the rising of work piece inside, improves the work piece and presss from both sides the fastness of in-process.

Additionally, the utility model discloses a 4 tip of connecting rod are equipped with the guide post, just the guide post activity is realized limiting the connecting rod 4 shift position through the guide post in first spacing groove 11, utilizes guide post and first spacing groove 11 to realize effectively injecing the interior pole 2 position simultaneously, guarantees its stability in the course of the work and interior pole 2 in the directionality of removal in-process.

Further, the utility model discloses a spacing post 22 activity in second spacing inslot 12, just spacing post 22 tip semicircular in shape sets up, and spacing post 22 through semicircular setting can effectively reduce the friction between spacing post 22 and the second spacing groove 12, guarantees spacing post 22 at the smoothness nature of removal in-process, improves its work efficiency.

Better, the utility model discloses a both ends are equipped with splint 63 about fixed block 1, splint 63 passes through fixing bolt 61 and connects fixed block 1, realizes effectively fixing the 1 position of fixed block through splint 63, guarantees that it can add man-hour to the work piece surface, can realize the injecing of position, improves work piece processingquality.

The utility model discloses in the implementation: at first, fix the position of pole 2 in fixed block 1 and through splint 63, fix it on support frame or cutting device, the stability of pole 2 position in the assurance, fixing bolt 61 upper end is equipped with baffle 62, just baffle 62 diameter is greater than fixing bolt 61 diameter, and rotation through fixing bolt 61 drives splint 63 and realizes removing, and then shortens the position between splint 63 and the fixed block 1, realizes the effective fixed to fixed block 1 position, and splint 63's length can be adjusted according to actual conditions, and if required fixed position is less, splint 63 length can suitably shorten, guarantees the effective fixed of fixed block 1, avoids interior pole 2 to cause when pressing from both sides the work piece and rocks.

As shown in fig. 2-3, after fixing the position of the fixed block 1, the workpiece of the outer surface to be processed is sleeved on the inner rod 2, then the rotating part 3 is rotated to move, the rotating part 3 is a screw rod, the guide sleeve 5 is a threaded sleeve, the end part of the screw rod is provided with a rotating handle, when the rotating part 3 rotates clockwise, the rotating part moves rightwards, the end part of the screw rod pushes against the inclined section 21 of the inner rod 2 in the moving process, the distance between the two inner rods 2 is increased, and then the tensioning inside the hollow workpiece is fixed, the workpiece can be effectively fixed after the screw rod is rotated to a certain position, and meanwhile, due to the screw joint, the screw rod cannot be reversed under the action of reaction force.

After the processing of work piece surface is accomplished, only need the counter-rotation rotating member 3, make the tip of rotating member 3 keep away from interior pole 2, when two interior pole 2 tip do not have the power that rises, the work piece of 2 in the cup jointing can be plucked, interior pole 2 semicircular in shape sets up, just interior pole 2 surface is equipped with anti-skidding structure, anti-skidding structure is anti-skidding line or anti-skidding point or anti-skidding groove, through the frictional force between pole 2 and the work piece in the anti-skidding structure reinforcing, guarantees that interior pole 2 is to the effective fixed of work piece, prevents that the work piece from appearing sliding and the phenomenon that drops in the course of working, and then improves work efficiency.

To sum up, the utility model provides an internal expanding tooling fixture, which comprises a fixed block, an inner rod movably connected with the fixed block and a rotating part abutted against the end part of the inner rod, wherein the fixed block is provided with at least one limiting groove, one side of the inner rod is provided with a limiting column matched with the limiting groove, the inner rods are at least provided with two, and the inner rods can realize effective tensioning clamping on the inner diameter of a workpiece in the moving process through the at least two inner rods, so that the stability of the workpiece in the processing process is ensured; the fixed block is connected through the connecting rod to interior pole tip, be equipped with on the fixed block with rotating member assorted uide bushing, the rotating member tip is the slope setting, just the tip opposition end that the rotating member slope set up is equipped with the dog, the dog diameter is greater than the uide bushing diameter, the rotating member tip that the slope set up is equipped with a plurality of evenly distributed's ball, interior pole tip is equipped with the slope section, just the slope section is by interior toward outer angle grow gradually, is the rotating member that the slope set up and the interior pole that has the slope section through the tip, makes two interior poles under the removal of rotating member, can realize the change of distance each other, and then realizes the tight fixed that rises to work piece inside. The utility model has the advantages that: the inner rod is pushed through the moving of the rotating piece, so that the distance between the two inner rods is changed, the two inner rods are convenient to use, the inner diameter of the workpiece is effectively clamped through tensioning, the effective processing of the outer surface of the workpiece is guaranteed, the clamping times are reduced, and the processing efficiency is improved.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. An inner expansion-shaped tool clamp is characterized by comprising a fixed block, an inner rod movably connected with the fixed block and a rotating part abutted against the end part of the inner rod, wherein at least one limiting groove is formed in the fixed block, limiting columns matched with the limiting grooves are arranged on one side of the inner rod, and at least two inner rods are arranged;

the fixed block is connected through the connecting rod to interior pole tip, be equipped with on the fixed block with rotating member assorted uide bushing, the rotating member tip is the slope setting, just the tip opposition end that the rotating member slope set up is equipped with the dog, the dog diameter is greater than the uide bushing diameter, the rotating member tip that the slope set up is equipped with a plurality of evenly distributed's ball, interior pole tip is equipped with the slope section, just the slope section is by interior toward outer angle grow gradually.

2. The internal expanding tooling clamp of claim 1, wherein there are two limiting grooves, namely a first limiting groove and a second limiting groove.

3. The internal expanding tooling clamp of claim 2, wherein a guide post is arranged at the end of the connecting rod, and the guide post is movable in the first limiting groove.

4. The internal expanding tooling clamp of claim 2, wherein the limiting column is movable in the second limiting groove, and the end of the limiting column is arranged in a semicircular shape.

5. The internal expanding tooling clamp of claim 1, wherein clamping plates are arranged at the upper end and the lower end of the fixing block, and the clamping plates are connected with the fixing block through fixing bolts.

6. The internal expanding tooling clamp of claim 5, wherein a partition is arranged at the upper end of the fixing bolt, and the diameter of the partition is larger than that of the fixing bolt.

7. The internal expanding tooling clamp of claim 1, wherein the rotating member is a threaded rod, the guide sleeve is a threaded sleeve, and a rotating handle is arranged at the end of the threaded rod.

8. The internal expanding tooling clamp of claim 1, wherein the inner rod is semicircular, and the outer surface of the inner rod is provided with an anti-slip structure, and the anti-slip structure is an anti-slip pattern, an anti-slip point or an anti-slip groove.