阅读说明：本技术 一种塑料圆管用内圆倒角器 (Inner circle chamfering device for plastic circular pipe ) 是由 喻四海 朱恒志 车荣升 施法宽 于 2019-08-28 设计创作，主要内容包括：本发明属于钳工设备技术领域,尤其为一种塑料圆管用内圆倒角器,包括连接板,所述连接板上端面固定连接有把持卡块,所述连接板底面一端固定连接有卡板,所述连接板底面远离所述卡板一端滑动连接有活动板,所述连接板远离所述活动板一侧螺纹连接有控制螺杆,所述连接板底面开设有滑槽；通过控制螺杆带动限位滑块滑动,从而带动滑动板卡合在塑料圆管的内壁,此时通过控制旋钮带动倒角刀片变换倾斜角度,从而更加适应倒角切割,然后抓住把持卡块在塑料圆管上转动,从而对塑料圆管的内圆进行切削,相对于塑料倒角器以及塑料刮刀来说,通过可调节限位的方式,有效的在增加倒角质量的前提下增加了适用范围,值得大幅度推广。(The invention belongs to the technical field of fitter equipment, and particularly relates to an inner circle chamfering device for a plastic circular tube, which comprises a connecting plate, wherein the upper end surface of the connecting plate is fixedly connected with a holding fixture block, one end of the bottom surface of the connecting plate is fixedly connected with a clamping plate, one end of the bottom surface of the connecting plate, which is far away from the clamping plate, is connected with a movable plate in a sliding manner, one side of the bottom surface of the connecting plate, which is far away from the movable plate; drive the slider that limits through the control screw and slide to drive the sliding plate block at the inner wall of plastics pipe, drive the chamfer blade transform inclination through control knob this moment, thereby adapt to the chamfer cutting more, then grasp and control the fixture block and rotate on the plastics pipe, thereby cut the interior circle of plastics pipe, for plastics chamfering ware and plastics scraper, through adjustable spacing mode, the effectual application scope that has increased under the prerequisite that increases the chamfer quality, be worth promoting by a wide margin.)

1. The utility model provides a plastics are interior round chamfering ware for pipe which characterized in that: the clamping device comprises a connecting plate (1), wherein a holding clamping block (11) is fixedly connected to the upper end face of the connecting plate (1), a clamping plate (2) is fixedly connected to one end of the bottom face of the connecting plate (1), a movable plate (4) is slidably connected to one end of the bottom face of the connecting plate (1) far away from the clamping plate (2), and a control screw (13) is in threaded connection with one side of the connecting plate (1) far away from the movable plate (4);

a sliding groove (12) is formed in the bottom surface of the connecting plate (1), a limiting sliding block (41) matched with the sliding groove (12) is fixedly connected to the upper end surface of the movable plate (4), a screw hole (14) is formed in one side of the connecting plate (1), the screw hole (14) is communicated with the sliding groove (12), one end of the control screw (13) is rotatably connected with the limiting sliding block (41), rolling grooves (3) are formed in the bottom surfaces of the movable plate (4) and the clamping plate (2), and rollers (6) are rotatably connected in the rolling grooves (3);

fly leaf (4) are close to cardboard (2) one side is equipped with chamfer blade (7), fly leaf (4) are kept away from control hole (42) have been seted up to cardboard (2) one side, the internal rotation of control hole (42) is connected with control knob (5) and blade fixed part (71), blade fixed part (71) one end can be dismantled and be connected with chamfer blade (7), blade fixed part (71) other end fixedly connected with spacing post (72), control knob (5) with spacing post (72) sliding connection.

2. The inner circle chamfering device for the plastic circular tube according to claim 1, wherein: control hole (42) inner wall fixedly connected with annular evenly distributed's spacing sawtooth (421), control knob (5) outer wall fixedly connected with spacing sawtooth (421) complex cooperation sawtooth (53).

3. The inner circle chamfering device for the plastic circular tube according to claim 1, wherein: the outer wall of the limiting column (72) is fixedly connected with four limiting ribs (721) distributed in an annular mode, and the bottom surface of the control knob (5) is provided with an accommodating cavity matched with the limiting column (72).

4. The inner circle chamfering device for the plastic circular tube according to claim 1, wherein: fixed orifices (51) have been seted up to control knob (5) bottom surface, fixedly connected with extension spring (52) in fixed orifices (51), the extension spring (52) other end with spacing post (72) fixed connection, control knob (5) with spacing post (72) pass through extension spring (52) sliding connection.

5. The inner circle chamfering device for the plastic circular tube according to claim 1, wherein: the cross section shapes of the limiting sliding block (41) and the sliding groove (12) are inverted convex.

6. The inner circle chamfering device for the plastic circular tube according to claim 1, wherein: one side of the control knob (5) is exposed outside the clamping plate (2).

Technical Field

The invention belongs to the technical field of bench work equipment, and particularly relates to an inner circle chamfering device for a plastic circular pipe.

Background

Chamfering refers to processing of cutting edges and corners of a workpiece into a certain inclined plane and removing burrs generated by machining on the part, and chamfering is generally made at the end part of the part for facilitating assembly of the part, and the tolerance size of the product chamfering is greatly influenced by the self precision of a chamfering tool and human factors of operators.

The motion of the manual factor mainly when manual operation receives is inconsistent to lead to the effect of chamfer inconsistent, when aiming at annular chamfer, because the rotatory action angle is constantly changing, thereby make the chamfer size variation difference more obvious.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an inner circle chamfering device for a plastic round pipe, which has the characteristics of adjustability and stable chamfering.

In order to achieve the purpose, the invention provides the following technical scheme: an inner circle chamfering device for a plastic circular tube comprises a connecting plate, wherein a holding fixture block is fixedly connected to the upper end surface of the connecting plate, a clamping plate is fixedly connected to one end of the bottom surface of the connecting plate, a movable plate is slidably connected to one end of the bottom surface of the connecting plate, which is far away from the clamping plate, a control screw is in threaded connection with one side of the connecting plate, which is far away from the movable plate, a sliding groove is formed in the bottom surface of the connecting plate, a limiting slider matched with the sliding groove is fixedly connected to the upper end surface of the movable plate, a screw hole is formed in one side of the connecting plate, the screw hole is communicated with the sliding groove, one end of the control screw is rotatably connected with the limiting slider, rolling grooves are formed in the movable plate and the bottom, the control hole is connected with a control knob and a blade fixing part in a rotating mode, one end of the blade fixing part is detachably connected with the chamfering blade, the other end of the blade fixing part is fixedly connected with a limiting column, and the control knob is connected with the limiting column in a sliding mode.

Preferably, the inner wall of the control hole is fixedly connected with limit sawteeth which are uniformly distributed in an annular shape, and the outer wall of the control knob is fixedly connected with matched sawteeth matched with the limit sawteeth.

Preferably, the outer wall of the limiting column is fixedly connected with four limiting ribs distributed in an annular mode, and the bottom surface of the control knob is provided with an accommodating cavity matched with the limiting column.

Preferably, the bottom surface of the control knob is provided with a fixing hole, a tension spring is fixedly connected in the fixing hole, the other end of the tension spring is fixedly connected with the limiting column, and the control knob is connected with the limiting column in a sliding mode through the tension spring.

Preferably, the cross-sectional shapes of the limiting slide block and the sliding groove are inverted convex.

Preferably, one side of the control knob is exposed outside the card board.

Compared with the prior art, the invention has the beneficial effects that:

during the use, adjust control screw, it slides to drive spacing slider through control screw, thereby drive the sliding plate block at the inner wall of plastics pipe, drive chamfer blade transform inclination through control knob this moment, thereby adapt to the chamfer cutting more, then grasp and control the fixture block and rotate on the plastics pipe, thereby cut the interior circle of plastics pipe, for plastics chamfering ware and plastics scraper, through adjustable spacing mode, the effectual application scope that has also increased under the prerequisite that increases the chamfer quality, be worth promoting by a wide margin.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention in use;

FIG. 3 is a schematic front view of a fixing knob according to the present invention;

FIG. 4 is a schematic front view of a spacing column according to the present invention;

fig. 5 is an enlarged view of a portion a of fig. 2.

In the figure: 1. a connecting plate; 11. a holding fixture block; 12. a chute; 13. controlling the screw; 14. a screw hole; 2. clamping a plate; 3. a rolling groove; 4. a movable plate; 41. a limiting slide block; 42. a control hole; 421. a limiting saw tooth; 5. a control knob; 51. a fixing hole; 52. a tension spring; 53. matching with the saw teeth; 6. a drum; 7. chamfering the blade; 71. a blade fixing portion; 72. a limiting column; 721. and limiting ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without any creative effort based on the embodiments of the present invention belong to the protection scope of the present invention, and for the convenience of description, the description of the relative position relationship of the components is described according to the layout manner of the drawings of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the specification layout direction.

Referring to fig. 1-5, the present invention provides the following technical solutions: an inner circle chamfering device for a plastic round pipe comprises a connecting plate 1, wherein a holding fixture block 11 is fixedly connected to the upper end face of the connecting plate 1, a clamping plate 2 is fixedly connected to one end of the bottom face of the connecting plate 1, a movable plate 4 is slidably connected to one end of the bottom face of the connecting plate 1, which is far away from the clamping plate 2, a control screw 13 is in threaded connection with one side of the connecting plate 1, a sliding groove 12 is formed in the bottom face of the connecting plate 1, a limiting slider 41 matched with the sliding groove 12 is fixedly connected to the upper end face of the movable plate 4, a screw hole 14 is formed in one side of the connecting plate 1, the screw hole 14 is communicated with the sliding groove 12, one end of the control screw 13 is rotatably connected with the limiting slider 41, rolling grooves 3 are formed in the bottom faces of the movable plate 4 and the clamping plate 2, a roller 6 is rotatably connected in the, one end of the blade fixing part 71 is detachably connected with the chamfering blade 7, the other end of the blade fixing part 71 is fixedly connected with a limiting column 72, and the control knob 5 is slidably connected with the limiting column 72.

In this embodiment: the plastic circular pipe wall clamping device comprises a connecting plate 1, wherein a clamping block 11 is fixedly connected to the upper end face of the connecting plate 1, the clamping block 11 is mainly used for enabling an operator to hold and conveniently rotate, a clamping plate 2 is fixedly connected to one end of the bottom face of the connecting plate 1, a movable plate 4 is slidably connected to one end, far away from the clamping plate 2, of the bottom face of the connecting plate 1, the clamping plate 2 is fixedly connected and moves towards the clamping plate 2 through the movable plate 4, so that the wall of a plastic circular pipe is clamped and limited, a control screw 13 is connected to one side, far away from the movable plate 4, of the connecting plate 1 in a threaded mode, a sliding groove 12 is formed in the bottom face of the connecting plate 1, a limiting slide block 41 matched with the sliding groove 12 is fixedly connected to the upper end face of the movable plate 4, a screw hole 14, thereby driving the movable plate 4 to move towards the clamping plate 2, and by the limit action of the control screw 13, the movable plate 4 can not slide under the influence of external force, thereby improving the sliding stability of the movable plate 4, the bottom surfaces of the movable plate 4 and the clamping plate 2 are both provided with the rolling grooves 3, the rolling grooves 3 are both rotatably connected with the rollers 6, through the action of the two rollers 6, the plastic circular tube can be more easily rotated, the sliding resistance caused by friction is reduced, one side of the movable plate 4 close to the clamping plate 2 is provided with the chamfering blade 7, the chamfering blade 7 is the existing blade, one side of the movable plate 4 far away from the clamping plate 2 is provided with the control hole 42, the control knob 5 and the blade fixing part 71 are rotatably connected in the control hole 42, one end of the blade fixing part 71 is detachably connected with the chamfering blade 7, the other end of the blade fixing part 71 is fixedly connected, because the chamfering blade 7 needs to have a certain included angle with the wall of the plastic circular tube during cutting, the cutting is completed, the blade fixing part 71 is driven to rotate through the control knob 5, the chamfering blade 7 is driven to incline, and then the inner circle of the plastic circular tube is cut.

Specifically, the inner wall of the control hole 42 is fixedly connected with limit sawteeth 421 which are uniformly distributed in an annular shape, and the outer wall of the control knob 5 is fixedly connected with matching sawteeth 53 which are matched with the limit sawteeth 421; through spacing sawtooth 421 with cooperation sawtooth 53 carry out the block to spacing control knob 5 prevents that control knob 5 from rotating when the cutting, causing the error.

Specifically, the outer wall of the limiting column 72 is fixedly connected with four annularly distributed limiting ribs 721, and the bottom surface of the control knob 5 is provided with an accommodating cavity matched with the limiting column 72; the shape of the accommodating cavity is the same as that of the limiting column 72, and the control knob 5 and the limiting column 72 cannot rotate relatively through the limiting of the limiting rib 721, so that the rotating stability of the control knob 5 is improved.

Specifically, a fixing hole 51 is formed in the bottom surface of the control knob 5, a tension spring 52 is fixedly connected in the fixing hole 51, the other end of the tension spring 52 is fixedly connected with a limiting column 72, and the control knob 5 is slidably connected with the limiting column 72 through the tension spring 52; when needing to rotate, pulling control knob 5, make the cooperation sawtooth 53 of control knob 5 outer wall break away from the cooperation with spacing sawtooth 421 in the fixed orifices 51, but control knob 5 does not break away from with spacing post 72, extension spring 52 takes place elastic deformation this moment, it is rotatory to rotate control knob 5 and drive spacing post 72, thereby it rotates to drive chamfer blade 7 through blade fixed part 71, rotate to suitable position after, loosen control knob 5, control knob 5 receives the pulling force effect of extension spring 52 this moment, receive to in the fixed orifices 51, it is spacing with spacing sawtooth 421 cooperation through cooperation sawtooth 53.

Specifically, the cross-sectional shapes of the limiting slide block 41 and the chute 12 are inverted convex; through the sliding fit of the inverted convex-shaped limiting slide block 41 and the sliding groove 12, the limiting slide block 41 can only horizontally move in the sliding groove 12, so that the sliding stability of the limiting slide block 41 is improved.

Specifically, one side of the control knob 5 is exposed outside the clamping plate 2; when the control knob 5 is exposed outside the card board 2, an operator can directly grasp the control knob 5 to rotate and slide, and the use convenience of the operator is improved.

The working principle and the using process of the invention are as follows: when the device is used, the control screw 13 drives the limiting slide block 41 to slide, so as to drive the movable plate 4 to slide towards the clamping plate 2, until the two rollers 6 are contacted with the inner wall and the outer wall of the plastic circular tube, the control knob 5 is pulled, so that the matching sawteeth 53 on the outer wall of the control knob 5 are disengaged from the limiting sawteeth 421 in the fixed hole 51, but the control knob 5 is not disengaged from the limiting column 72, at the moment, the tension spring 52 is elastically deformed, the control knob 5 is rotated to drive the limiting column 72 to rotate, so as to drive the chamfering blade 7 to rotate through the blade fixing part 71, after the chamfering blade is rotated to a proper position, the control knob 5 is loosened, at the moment, the control knob 5 is under the pulling force of the tension spring 52, is retracted into the fixed hole 51, the chamfering blade 7 is limited through the matching sawteeth 53 and the limiting sawteeth 421, at the chamfering blade 7 is attached to the inner wall, through the limiting effect of the movable plate 4 and the clamping plate 2, the chamfering blade 7 is more stable when rotating.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.