CN218363337U

CN218363337U - Inner hole compressing clamp

Info

Publication number: CN218363337U
Application number: CN202222312161.7U
Authority: CN
Inventors: 赵飞
Original assignee: Qingdao Nolai Intelligent Technology Co ltd
Current assignee: Qingdao Nolai Intelligent Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-24
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a hole compresses tightly anchor clamps relates to anchor clamps technical field, including bottom plate and base plate, the base plate is located the top of bottom plate, bottom plate upper portion is equipped with thrustor, thrustor's output upwards is equipped with the adapter sleeve, the equidistance is connected with a plurality of briquettings on the outer wall of adapter sleeve, and is a plurality of the briquetting moves from inside to outside simultaneously, through setting up thrustor's upper and lower activity when using, and then drives on adapter sleeve and the outer wall a plurality of briquettings from inside to outside and top-down's through work piece inner hole pair work piece just compress tightly, has solved the fixed purpose that needs add man-hour to the work piece excircle, has also reduced the problem of the fixed difficulty that brings owing to the space is not enough above the anchor clamps simultaneously, the utility model discloses compact structure, the work piece warp for a short time, and the work piece that can be applicable to multiple thickness is pressed from both sides tightly.

Description

Inner hole compressing clamp

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a hole compresses tightly anchor clamps.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process.

A device for fixing the object to be processed to make it occupy the correct position for receiving construction or detection in the machine manufacturing process, also called fixture (qi a/j ǜ). In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece must be assembled (positioned) and clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

The pushing device is a device with the functions of jacking and recovering and mainly comprises a cylinder, an electric cylinder or a hydraulic cylinder and the like.

Add man-hour to the excircle that needs to have the hole work piece a bit in actual production, if increase anchor clamps in the outside of work piece, anchor clamps can do not produce an interference to processing, perhaps because when the space of anchor clamps top is not enough, can't normally press from both sides tightly through the work piece top, consequently the utility model provides an anchor clamps that come fixed through the work piece hole to this solves the tight fixed problem of clamp when not enough to work piece excircle processing and anchor clamps top space.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model discloses through the upper and lower activity that sets up thrustor when using, and then drive on adapter sleeve and the outer wall a plurality of briquettings from inside to outside and top-down through work piece inner bore hole just compress tightly the work piece, solved the fixed purpose that needs add man-hour to the work piece excircle, also reduced simultaneously because the problem of the fixed difficulty that the space is not enough to bring above the anchor clamps, the utility model discloses compact structure, the work piece warp for a short time, and the work piece that can be applicable to multiple thickness presss from both sides tightly.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an inner hole compresses tightly anchor clamps which characterized in that: including bottom plate and base plate, the base plate is located the top of bottom plate, bottom plate upper portion is equipped with thrustor, thrustor's output upwards is equipped with the adapter sleeve, the equidistance is connected with a plurality of briquettings on the outer wall of adapter sleeve, and is a plurality of the briquetting is from inside to outside motion simultaneously.

By adopting the technical scheme, the mounting space between the bottom plate and the base plate can be ensured to be utilized, the pushing device is placed in the mounting space, the height of the whole clamp is reduced, meanwhile, the pushing device is used for ejecting or withdrawing the connecting sleeve, the connecting sleeve can drive the pressing blocks on the outer wall to do circular arc motion from bottom to top, and the purpose of fixing the whole workpiece and further reducing the height of the whole clamp by clamping the inner hole of the workpiece is realized because the pressing blocks are in the inner hole of the workpiece.

The utility model provides an inner hole compresses tightly anchor clamps, the mounting groove has been seted up along horizontal and longitudinal direction in the base plate both ends, it has first spirit level and second spirit level to embed respectively in the mounting groove.

Through adopting above-mentioned technical scheme, can guarantee to utilize first spirit level and second spirit level to adjust the levelness of base plate in length and width direction respectively, guaranteed like this that the distance between base plate and the casting die portion is equal after carrying out altitude mixture control to the base plate, be favorable to compressing tightly the work piece more.

The utility model provides an inner hole compresses tightly anchor clamps, be equipped with the link that equals quantity with the briquetting on the adapter sleeve outer wall, the connecting hole has been seted up to the link upper end, the link upper end is connected with linking frame through the connecting hole.

Through adopting above-mentioned technical scheme, can guarantee to utilize link and connecting hole to realize that the rotation between adapter sleeve and the linking frame is connected, utilize the linking frame to link up between briquetting and the adapter sleeve simultaneously.

The utility model provides an interval that hole compresses tightly anchor clamps, be equipped with strutting arrangement between bottom plate and the base plate, strutting arrangement can adjust between bottom plate and the base plate.

By adopting the technical scheme, the supporting device can be used for adjusting the distance between the base plate and the base plate, and the distance between the base plate and the pressing block is adjusted.

The inner hole compressing clamp comprises a screw rod and a threaded sleeve, wherein the screw rod is in threaded connection with the threaded sleeve.

Through adopting above-mentioned technical scheme, can guarantee to utilize the threaded connection of screw rod and swivel nut to realize whole strutting arrangement's altitude mixture control, utilize threaded connection to increase whole strutting arrangement's stability and fastness simultaneously.

The utility model provides an inner hole compresses tightly anchor clamps, the briquetting is equipped with casting die portion, casting die portion lower extreme is equipped with first connecting portion, casting die portion is close to adapter sleeve one end and is equipped with the second connecting portion, the connecting hole has all been seted up to the tip of first connecting portion and second connecting portion.

Through adopting above-mentioned technical scheme, can guarantee to utilize first connecting portion and second connecting portion to make whole briquetting rotate with articulated frame and linking frame respectively and be connected, realized making the briquetting realize the circular motion from inside to outside through the upper and lower activity of adapter sleeve.

The utility model provides an inner hole compresses tightly anchor clamps, the bottom of base plate is connected with the articulated frame that equals with briquetting quantity, articulated frame is equipped with the base, be equipped with the linking arm on the base perpendicularly, the connecting hole has been seted up on the linking arm.

Through adopting above-mentioned technical scheme, can guarantee to utilize the linking arm to make first connecting portion on the briquetting realize articulatedly with articulated frame, utilize the base to enable whole articulated frame and base plate to carry out fixed connection simultaneously.

The inner hole compressing clamp is characterized in that the middle of a base plate is provided with a through hole in a communicated mode, and a plurality of movable holes are formed in the periphery of the through hole.

Through adopting above-mentioned technical scheme, can guarantee to utilize the trepanning to hold the adapter sleeve in the middle part of base plate, utilize the movable hole to make the adapter sleeve can drive linking frame and briquetting when moving about from top to bottom simultaneously and move about in it.

To sum up, the utility model discloses a beneficial technological effect does:

(1) Utilize the space between base plate and the bottom plate, can settle thrustor wherein, utilize thrustor's upper and lower activity to drive adapter sleeve and briquetting simultaneously and realized that the briquetting presss from both sides tight fixedly to the work piece hole, reached fixed before the processing of work piece excircle, avoided anchor clamps and processing to establish other interference, also reduced the height of whole anchor clamps simultaneously, solved because the space is insufficient above the work piece, fixed difficult problem.

(2) The purpose that the distance between the substrate and the pressing block is equal is achieved by utilizing the first level gauge and the second level gauge, and the balance of pressing force of the pressing block on the workpiece is achieved.

(3) By utilizing the supporting device, the height between the base plate and the bottom plate is adjusted, so that the clamp can clamp workpieces with different thicknesses.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of another aspect of the present invention;

fig. 3 is a schematic view of the present invention with the substrate hidden;

FIG. 4 is an enlarged schematic view of part A of the present invention;

FIG. 5 is an enlarged schematic view of part B of the present invention;

FIG. 6 is a schematic view of the connecting sleeve of the present invention;

FIG. 7 is a schematic view of the pressing block of the present invention;

fig. 8 is a schematic view of the base plate of the present invention;

fig. 9 is a schematic view of the hinge frame of the present invention;

FIG. 10 is a schematic view of the present invention in use;

fig. 11 is a schematic view of another usage state of the present invention.

Reference numerals: 1. a base plate; 2. a substrate; 3. a pushing device; 4. connecting sleeves; 5. briquetting; 6. a support device; 7. a threaded sleeve; 8. a screw; 9. a connecting frame; 10. a linking frame; 11. trepanning; 12. a movable hole; 13. a hinged frame; 14. a connecting arm; 15. a base; 16. a pressing part; 17. a first connection portion; 18. a second connecting portion; 19. a first level; 20. a second level; 21. and (5) a workpiece.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, an inner hole compressing clamp is shown, which includes a bottom plate 1, a support device 6 is provided on the bottom plate 1, the support device 6 includes a screw 8 and a screw sleeve 7, the screw sleeve 7 is in bolt connection with the bottom plate 1, the screw 8 and the screw sleeve 7 are in thread connection, the screw 8 and the screw sleeve 7 are used for adjusting the distance between the substrate 2 and the bottom plate 1, so as to realize the distance adjustment between the substrate 2 and the pressing block 5, so as to adapt to the clamping of workpieces 21 with different thicknesses, the support device 6 is arranged in a rectangular shape, the substrate 2 is provided above the screw 8 and parallel to the bottom plate 1, the substrate 2 is in bolt connection with the screw 8, a pushing device 3 is provided in the middle of the bottom plate 1, an output end of the pushing device 3 is provided with a connecting sleeve 4, three connecting frames 9 are provided on the outer wall of the connecting sleeve 4 as shown in fig. 6, the three connecting frames 9 are arranged on the connecting sleeve 4 in a circumferential equidistant manner, the upper end of the connecting frames 9 are provided with connecting holes, the connecting frames 9 are rotatably connected with a connecting frame 10 through connecting hole and a pin, one end of the connecting frame 10 far from the connecting frame 9 is connected with the pressing block 5, and the lower end of the pressing block 5 is rotatably hinged with a rotating frame 13;

referring to fig. 7, 8 and 9, the pressing block 5 is provided with a pressing part 16, the pressing part 16 is used for pressing and applying force to a workpiece 21, a first connecting part 17 is arranged at the lower end of the pressing part 16, a second connecting part 18 is arranged at one end of the pressing part 16 close to the connecting frame 10, and the second connecting part 18 is rotatably connected with the connecting frame 10;

the hinged frame 13 is provided with a connecting arm 14 and a base 15, the connecting arm 14 is perpendicular to the base 15, the connecting arm 14 is rotatably connected with a first connecting part 17 on the pressing block 5, and the base 15 is used for being connected with the substrate 2;

the trepanning 11 has been seted up in the middle part of base plate 2 link up, the activity hole 12 that equals quantity and direction the same with link 9 has been seted up around trepanning 11, trepanning 11 and activity hole 12 are used for realizing the adapter sleeve 4, link up frame 10, holding and the activity of briquetting 5, horizontal and fore-and-aft rectangle mounting groove has been seted up respectively to the both ends of base plate 2, it has first spirit level 19 and second spirit level 20 to embed respectively in the mounting groove, first spirit level 19 is used for providing the reference to the vertical levelness of base plate 2, second spirit level 20 is used for providing the reference to the horizontal levelness of base plate 2.

When the pressing device is used, referring to fig. 10 and 11, the pushing device 3 is used for controlling the output end to retract, the connecting sleeve 4 on the output end is driven to move downwards, the connecting frame 9 arranged on the outer wall of the connecting sleeve 4 pulls the connecting frame 10 to draw close to the sleeve hole 11 while the connecting sleeve 4 moves downwards, the connecting frame 10 pulls the second connecting part 18 on the pressing block 5 when the connecting frame 10 draws close inwards, as the first connecting part 17 of the pressing block 5 is rotatably connected with the hinge frame 13, when the connecting frame 10 pulls the second connecting part 18, the pressing block 5 makes circular arc motion which draws close inwards along the connecting hole and the bolt on the first connecting part 17, at the moment, the distance between the pressing part 16 of the three pressing blocks 5 and the substrate 2 is increased, the radius of a cross section circle formed by the three pressing blocks 5 is reduced, and therefore, an inner hole on a workpiece 21 can be conveniently sleeved on the three pressing blocks 5;

then, a workpiece 21 with an inner hole to be processed penetrates through the three pressing blocks 5 and is placed on the substrate 2, then the pushing device 3 is utilized to push the output end provided with the connecting sleeve 4 upwards, then the connecting sleeve 4 enables the pressing block 5 to do circular arc motion outwards along the connecting hole of the first connecting part 17 through the connecting frame 10 and the second connecting part 18 of the pressing block 5 until the pressing part 16 is abutted against the surface of the workpiece 21 and compresses the workpiece 21, and the workpiece 21 is compressed and fixed through the inner hole of the workpiece 21;

when a workpiece 21 with a thin thickness needs to be pressed and fastened, firstly, the screw 8 between the base plate 2 and the bottom plate 1 is rotated, the base plate 2 is moved upwards by jacking of the screw 8, and further, the distance between the base plate 2 and the pressing part 16 of the pressing block 5 is reduced, when the screw 8 is rotated, in order to achieve the consistency of the horizontal and longitudinal levelness of the base plate 2 and the distance between the base plate 2 and the pressing part 16, height adjustment on the whole base plate 2 is achieved through the first level gauge 19 and the second level gauge 20 on the reference base plate 2, and after the height adjustment, the screw 8 and the base plate 2 are fixed through bolts.

As a pressing fixture, as shown in fig. 3, the whole fixture can be connected to its processing equipment through fixing holes at both ends of the bottom plate 1.

Through embedding first spirit level 19 and second spirit level 20 in the mounting groove, can prevent the damage of work piece 21 to the spirit level like this, also can guarantee that base plate 2 places one side of work piece 21 and does not have the bulge, is favorable to the level of work piece 21 to be placed more.

It should be noted that the utility model discloses an anchor clamps can not only press from both sides tightly for circular shape work piece 21 the hole, still can be to the hole of other shapes, like holes such as rectangle, when the square hole presss from both sides the fastening timing, can set up the pressure head into four or a plurality of can.

The above, only be the utility model discloses the embodiment of preferred does not restrict according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an inner hole compresses tightly anchor clamps which characterized in that: including bottom plate (1) and base plate (2), base plate (2) are located the top of bottom plate (1), bottom plate (1) upper portion is equipped with thrustor (3), the output of thrustor (3) upwards is equipped with adapter sleeve (4), the equidistance is connected with a plurality of briquetting (5) on the outer wall of adapter sleeve (4), and is a plurality of briquetting (5) are from inside to outside motion simultaneously.

2. An internal bore compression clamp as claimed in claim 1, wherein: the base plate (2) both ends have been seted up the mounting groove along horizontal and longitudinal direction, it has first spirit level (19) and second spirit level (20) to inlay respectively in the mounting groove.

3. An internal bore compression clamp as claimed in claim 1, wherein: the connecting device is characterized in that the outer wall of the connecting sleeve (4) is provided with connecting frames (9) which are equal to the pressing blocks (5) in number, connecting holes are formed in the upper ends of the connecting frames (9), and the upper ends of the connecting frames (9) are connected with connecting frames (10) through the connecting holes.

4. An internal bore compression clamp as claimed in claim 1, wherein: a supporting device (6) is arranged between the bottom plate (1) and the base plate (2), and the supporting device (6) can adjust the distance between the bottom plate (1) and the base plate (2).

5. An internal bore compression clamp as claimed in claim 4, wherein: the supporting device (6) comprises a screw rod (8) and a threaded sleeve (7), and the screw rod (8) is in threaded connection with the threaded sleeve (7).

6. The inner hole compression clamp as claimed in claim 1, wherein: the pressing block (5) is provided with a pressing part (16), the lower end of the pressing part (16) is provided with a first connecting part (17), one end, close to the connecting sleeve (4), of the pressing part (16) is provided with a second connecting part (18), and the end parts of the first connecting part (17) and the second connecting part (18) are provided with connecting holes.

7. The inner hole compression clamp as claimed in claim 1, wherein: the bottom of base plate (2) is connected with articulated frame (13) that equals with briquetting (5) quantity, articulated frame (13) are equipped with base (15), be equipped with linking arm (14) on base (15) perpendicularly, the connecting hole has been seted up on linking arm (14).

8. An internal bore compression clamp as claimed in claim 1, wherein: the middle of the base plate (2) is provided with a sleeve hole (11) in a through mode, and a plurality of movable holes (12) are formed in the periphery of the sleeve hole (11).