CN212919357U

CN212919357U - Plastic pipe scriber capable of reducing scribing offset

Info

Publication number: CN212919357U
Application number: CN202020915453.8U
Authority: CN
Inventors: 管晓东; 柯宇; 沈东明
Original assignee: Wuxi Jiangji Construction Engineering Quality Inspection Co ltd
Current assignee: Wuxi Jiangji Construction Engineering Quality Inspection Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-09
Anticipated expiration: 2030-05-26

Abstract

The utility model belongs to the technical field of the technique of plastics tubular product detection equipment and specifically relates to a reduce plastics tubular product scriber of marking off skew degree is related to, and it includes the support frame, is equipped with first pivot on the support frame, and the rotating turret is equipped with the depression bar on the first pivot, is equipped with the horizontal pole on the depression bar, and the both ends of horizontal pole are equipped with the marking off wheel, and the one end of support frame is equipped with spacing dish, spacing dish and support frame normal running fit, and the rotation axis of spacing dish is on a parallel with the axis of. The utility model discloses have and make things convenient for operating personnel to carry out measuring effect to the interval of two circular lines in the test.

Description

Plastic pipe scriber capable of reducing scribing offset

Technical Field

The utility model belongs to the technical field of the technique of plastics tubular product detection equipment and specifically relates to a reduce plastics tubular product scriber of marking off skew degree.

Background

The plastic pipe scriber is a plastic pipe detection tool, when a longitudinal retraction rate test is carried out on a plastic pipe, firstly, the plastic pipe scriber is used for scribing two parallel closed circumferential lines on the outer wall of the plastic pipe, and the longitudinal retraction rate is calculated according to the distance between the two circumferential lines before and after the test.

Chinese patent No. CN208614762U discloses a plastic pipe scriber, which comprises a V-shaped support frame, wherein a baffle is arranged at one end of the support frame, a first rotating shaft is rotatably arranged on the support frame, and the rotating axis of the first rotating shaft is parallel to the axis of the support frame. The first rotating shaft is provided with a pressing rod which rotates synchronously with the first rotating shaft, the end part of the pressing rod is provided with a cross rod, the cross rod is arranged along the horizontal direction and is perpendicular to the axis of the pressing rod, and two ends of the cross rod are respectively provided with a scribing wheel. When the marking operation is carried out, the pipe is placed on the support frame, one end of the pipe is abutted to the baffle, the two marking wheels are pressed on the outer side wall of the pipe, and the pipe is rotated, so that the marking operation can be completed.

The above prior art solutions have the following drawbacks: when the plastic pipe is not parallel and level with the end contacted with the baffle, in the rotating process, the end part of the plastic pipe is possibly abraded, so that the plastic pipe is displaced with the scriber along the length direction of the plastic pipe, the starting end and the tail end of the circumferential line are drawn to have certain offset in the length direction of the plastic pipe, after the plastic pipe is heated and cooled, the two circumferential lines can further deform, and an operator cannot conveniently measure the distance between the two circumferential lines in a test.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a reduce plastics tubular product scriber of marking off skew degree, it has the effect that makes things convenient for operating personnel to measure to the interval of two circular lines in the test.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a reduce plastics tubular product scriber of marking off skew degree, includes the support frame, be equipped with first pivot on the support frame, the rotating turret is equipped with the depression bar on the first pivot, be equipped with the horizontal pole on the depression bar, the both ends of horizontal pole are equipped with the marking off wheel, the one end of support frame is equipped with spacing dish, spacing dish and support frame normal running fit, the rotation axis of spacing dish is on a parallel with the axis of support frame.

Through adopting above-mentioned technical scheme, set up with support frame normal running fit's spacing dish, when carrying out the marking off operation, support the one end of plastics tubular product tightly with spacing dish, then when rotatory plastics tubular product, plastics tubular product and spacing dish do not need relative slip, can reduce the wearing and tearing that plastics tubular product and spacing dish friction lead to, reduced plastics tubular product promptly along self length direction gliding probability, and then reduce the initial terminal skew degree of circumference line of drawing, make things convenient for operating personnel to measure the interval of two circumference lines in the test.

The present invention may be further configured in a preferred embodiment as: the one end of support frame is equipped with the slide bar, the slide bar sets up along vertical direction, be provided with the slider on the slide bar, wear to be equipped with the screw rod on the slider, the axis of screw rod is on a parallel with the axis of slide bar, screw rod and support frame normal running fit, spacing dish rotating bracket is established in one side of slider towards the support frame.

Through adopting above-mentioned technical scheme, set up slide bar and screw rod and drive the slider and slide along vertical direction to establish spacing dish rotating turret on the slider, can adjust the height of spacing dish according to the plastics tubular product of different external diameters, and then keep the axis of rotation of spacing dish and the axis coincidence of plastics tubular product, increased this scriber's application scope.

The present invention may be further configured in a preferred embodiment as: and scale marks are arranged at one end of the support frame facing the sliding block.

Through adopting above-mentioned technical scheme, set up the scale mark on the support frame, can be when the height of adjustment slider to the slide block corresponds the scale value of scale mark as the reference, comes the height of accurately adjusting the slider according to the external diameter of plastics tubular product.

The present invention may be further configured in a preferred embodiment as: one side of the limiting disc facing the supporting frame is provided with a limiting block, the limiting block is conical, and the axis of the limiting block coincides with the rotation axis of the limiting disc.

Through adopting above-mentioned technical scheme, set up the stopper on spacing dish, can be when laying plastics tubular product, at first support tightly on the circular conical surface of stopper with the one end of plastics tubular product to make the axis of stopper and the coincidence of the axis of plastics tubular product, can make things convenient for operating personnel to finely tune the height of slider, the lateral wall and the support frame that until plastics tubular product offset. And when rotating plastics tubular product, the stopper can hinder plastics tubular product and spacing dish to take place the skew, and then reduces the probability that plastics tubular product takes place to deflect when rotating.

The present invention may be further configured in a preferred embodiment as: and a hand wheel is arranged on the screw rod.

By adopting the technical scheme, the hand wheel is arranged on the screw rod, so that an operator can conveniently rotate the screw rod.

The present invention may be further configured in a preferred embodiment as: the support frame is provided with two supporting rolls for supporting the plastic pipe, and the axes of the two supporting rolls are arranged along the axis direction of the support frame.

Through adopting above-mentioned technical scheme, rotate on the support frame and erect two backing rolls, plastics tubular product offsets with the support frame through two backing rolls, can reduce plastics tubular product when rotating and the frictional force between the support frame, make plastics tubular product rotate more smoothly, make things convenient for operating personnel to carry out the marking off operation to plastics tubular product.

The present invention may be further configured in a preferred embodiment as: the depression bar includes the sleeve and slides and wears to establish the cursor slide in the sleeve, telescopic hole cross section is not circular, the locking bolt who is used for locking the cursor slide is worn to be equipped with in telescopic side, the depression bar erects in first pivot through the sleeve, the horizontal pole is located the one end of cursor slide dorsad first pivot.

By adopting the technical scheme, the pressing rod is arranged into the sleeve and the sliding arm, the extending length of the sliding arm can be adjusted according to the outer diameter of the plastic pipe to be scribed, and the position of the scribing wheel is adjusted, so that the scribing wheel is abutted against the top end of the side surface of the plastic pipe, and the probability that the scribing wheel slides because of not being compressed is reduced.

The present invention may be further configured in a preferred embodiment as: and a rubber pad is arranged on the side surface of the scribing wheel.

Through adopting above-mentioned technical scheme, set up the rubber pad on the marking wheel, can hinder plastics tubular product to take place relative slip along the axis direction of marking wheel and marking wheel, and then reduce the initial terminal skew of the circumferential line of drawing.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the limiting disc which is in running fit with the supporting frame is arranged, so that the deviation degree of the initial end and the tail end of the drawn circumferential line can be reduced, and the effect of measuring the distance between the two circumferential lines by an operator in a test is facilitated;

2. the sliding rod, the sliding block and the screw rod are arranged, so that the effect of enlarging the application range of the scriber can be achieved;

3. through setting up the stopper, can play and make things convenient for operating personnel to finely tune the height of slider, and reduce the effect of the probability that plastics tubular product takes place to deflect when rotating.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the connection between the bottom plate and the supporting frame in the embodiment;

FIG. 4 is a schematic view of the connection of the limiting disk, the limiting block and the slider in the embodiment.

In the figure, 1, a support frame; 11. a V-shaped groove; 12. a roller groove; 121. a support roller; 13. a groove; 131. a first rotating shaft; 14. scale lines; 2. a pressure lever; 21. a sleeve; 211. locking the bolt; 22. a slide arm; 3. a cross bar; 31. a scribing wheel; 32. a rubber pad; 4. a base plate; 41. a slide bar; 42. a slider; 421. a limiting shaft; 422. a limiting disc; 423. a limiting block; 43. a screw; 431. a hand wheel; 432. a bearing; 44. accommodating grooves; 5. a plastic pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, for the utility model discloses a reduce plastics tubular product scriber of marking off skew degree, including a top surface be equipped with the support frame 1 of V-arrangement groove 11, V-arrangement groove 11 runs through support frame 1 along the horizontal direction. The side wall of the V-shaped groove 11 is provided with a pressure lever 2 in a rotating frame mode, the rotation axis of the pressure lever 2 is parallel to the length direction of the V-shaped groove 11, one end of the pressure lever 2 is connected with the side face of the V-shaped groove 11, the other end of the pressure lever is provided with a cross rod 3, and the rotating frames at the two ends of the cross rod 3 are provided with scribing wheels 31. Two supporting rollers 121 are rotatably erected on the top surface of the supporting frame 1, and the plastic pipe 5 to be scribed is placed between the two supporting rollers 121 and the scribing wheel 31.

Referring to fig. 1 and 2, two side walls of the V-shaped groove 11 are respectively provided with a roller groove 12, the two roller grooves 12 are all arranged along the length direction of the V-shaped groove 11, the two groove walls of each roller groove 12 are all arranged along the direction perpendicular to the corresponding side wall of the V-shaped groove 11, the groove bottom of each roller groove 12 is an arc surface, the cross-sectional diameter of the groove bottom of each roller groove 12 is the same as the distance between the two side walls of the roller groove 12, and the height of the groove wall of each roller groove 12 is smaller than the distance between the two side walls of the roller groove 12. The two support rollers 121 are rotatably erected in the two roller grooves 12 respectively, the rotation axis of each support roller 121 is parallel to the length direction of the corresponding roller groove 12, and the diameter of each support roller 121 is the same as the diameter of the bottom surface of each support roller 121. The plastic pipe 5 to be scribed abuts against the support frame 1 through the two supporting rollers 121, so that the friction force between the plastic pipe 5 and the support frame 1 during rotation can be reduced, and the plastic pipe 5 can rotate more smoothly.

Referring to fig. 1, a groove 13 is formed in one side surface of the V-shaped groove 11, two side walls of the groove 13 are arranged in a vertical direction, a first rotating shaft 131 is welded between the two side walls of the groove 13, and the first rotating shaft 131 is arranged in a direction perpendicular to the side walls of the groove 13. The pressure lever 2 is rotatably erected on the first rotating shaft 131, that is, the pressure lever 2 is rotatably erected on the side wall of the V-shaped groove 11 through the first rotating shaft 131.

Referring to fig. 1, the pressing rod 2 includes a sleeve 21 and a sliding arm 22 slidably disposed in the sleeve 21, one end of the sleeve 21 is closed, and the other end is open. The closed end of the sleeve 21 is rotatably sleeved on the first rotating shaft 131, i.e. the pressure lever 2 is rotatably erected on the first rotating shaft 131 through the sleeve 21. The cross section of the outer wall and the cross section of the inner hole of the sleeve 21 are both square, and the slide arm 22 is matched with the inner hole of the sleeve 21. A locking bolt 211 is arranged on the outer side wall of the sleeve 21 in a penetrating way, and the locking bolt 211 is positioned on the side surface close to the open end of the sleeve 21. The length of the press rod 2 can be adjusted by the sliding slide arm 22, and then the locking bolt 211 is rotated to enable the threaded end of the locking bolt 211 to be tightly abutted against the side face of the slide arm 22, so that the sliding of the slide arm 22 can be limited.

Referring to fig. 1 and 2, the cross bar 3 is welded to an end of the slide arm 22 facing away from the first rotation axis 131, i.e., the cross bar 3 is disposed on the press rod 2 through the slide arm 22. The axis of the cross rod 3 is parallel to the axis of the first rotating shaft 131, the two ends of the cross rod 3 are respectively provided with the scribing wheel 31 in a rotating frame mode, and the rotating axes of the two scribing wheels 31 are overlapped with the axis of the cross rod 3. Two rubber pads 32 are glued on the side surface of each scribing wheel 31, and the two rubber pads 32 are respectively positioned on two sides of the scribing pen of the scribing wheel 31. When the plastic pipe 5 is scribed, the position of the cross rod 3 is adjusted, the scribing wheel 31 is used for pressing the plastic pipe 5 on the two supporting rollers 121, and the plastic pipe 5 is rotated, so that scribing can be completed.

Referring to fig. 3, a bottom plate 4 is welded at one end of the support frame 1, and scale marks 14 are engraved at one end of the support frame 1 facing the bottom plate 4, and the scale marks 14 are arranged along the vertical direction. The lower surface of the bottom plate 4 is flush with the bottom surface of the support frame 1, two sliding rods 41 are welded on the upper surface of the bottom plate 4, and the sliding rods 41 are connected with the support frame 1 through the bottom plate 4. The two sliding rods 41 are arranged along the vertical direction, and the connecting line of the two sliding rods 41 is perpendicular to the axis of the V-shaped groove 11. The two sliding rods 41 are slidably sleeved with a sliding block 42, and the sliding block 42 is in sliding fit with the two sliding rods 41.

Referring to fig. 3, a screw 43 is inserted through the slide block 42, the screw 43 is disposed along the vertical direction, and the screw 43 is located between the two slide rods 41. The top welding of screw rod 43 has hand wheel 431, and the bottom cover of screw rod 43 is equipped with bearing 432, is equipped with the holding tank 44 that is used for holding bearing 432 on the bottom plate 4, and bearing 432 and screw rod 43, the equal interference fit of holding tank 44. By rotating the screw 43, the sliding block 42 can only slide in the vertical direction due to the limit of the sliding rod 41, and when the sliding block 42 is slid, the height of the sliding block 42 can be precisely adjusted by the scale value of the sliding block 42 corresponding to the scale mark 14.

Referring to fig. 3 and 4, a limiting shaft 421 is welded on one side of the sliding block 42 facing the support frame 1, the limiting shaft 421 is parallel to the axis of the V-shaped groove 11, and the axis of the limiting shaft 421 is located on the vertical plane where the axis of the V-shaped groove 11 is located. The last rotation cover of spacing axle 421 is equipped with spacing dish 422, and spacing dish 422's axis is towards one side integrated into one piece of V-arrangement groove 11 and is had stopper 423, and stopper 423's main part is conical, and stopper 423's most advanced directional plastics tubular product 5. When laying plastic pipe 5, at first support tightly the conical surface of stopper 423 with the one end of plastic pipe 5 to make the axis of stopper 423 coincide with plastic pipe 5's axis, can make things convenient for operating personnel to finely tune the height of slider 42, offset with support frame 1 until the lateral wall of plastic pipe 5. When rotating plastics tubular product 5, stopper 423 can hinder plastics tubular product 5 and spacing dish 422 emergence skew, and then reduces the probability that plastics tubular product 5 takes place to deflect when rotating.

The implementation principle of the embodiment is as follows: when the scriber is used, one end of the plastic pipe 5 is firstly abutted against the conical surface of the limiting block 423, and then the height of the sliding block 42 is adjusted until the side surface of the plastic pipe 5 is abutted against the side surfaces of the two supporting rollers 121. The position of the scribing wheel 31 is adjusted again, the plastic pipe 5 is compressed, then the plastic pipe 5 is rotated, the scribing wheel 31 can scribe the plastic pipe 5, and the scriber has the effect of facilitating an operator to measure the distance between the two circumferential lines in a test.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit 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 a reduce plastics tubular product scriber of marking off skew degree, includes support frame (1), be equipped with first pivot (131) on support frame (1), rotate on first pivot (131) and erect depression bar (2), be equipped with horizontal pole (3) on depression bar (2), the both ends of horizontal pole (3) are equipped with marking off wheel (31), its characterized in that: one end of the support frame (1) is provided with a limiting disc (422), the limiting disc (422) is in running fit with the support frame (1), and the rotation axis of the limiting disc (422) is parallel to the axis of the support frame (1).

2. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 1, wherein: the one end of support frame (1) is equipped with slide bar (41), slide bar (41) set up along vertical direction, be provided with slider (42) on slide bar (41), wear to be equipped with screw rod (43) on slider (42), the axis of screw rod (43) is on a parallel with the axis of slide bar (41), screw rod (43) and support frame (1) normal running fit, spacing dish (422) rotating-frame is established in one side of slider (42) towards support frame (1).

3. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 2, wherein: and scale marks (14) are arranged at one end of the support frame (1) facing the sliding block (42).

4. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 2, wherein: one side of the limiting disc (422) facing the support frame (1) is provided with a limiting block (423), the limiting block (423) is conical, and the axis of the limiting block (423) coincides with the rotation axis of the limiting disc (422).

5. A plastic tubing scriber with reduced scribe line offset as claimed in claim 3, wherein: and a hand wheel (431) is arranged on the screw rod (43).

6. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 1, wherein: the support frame (1) is provided with two support rollers (121) for supporting the plastic pipe (5) in a rotating frame mode, and the axes of the two support rollers (121) are arranged along the axis direction of the support frame (1).

7. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 1, wherein: depression bar (2) include sleeve (21) and slide and wear to establish cursor slide (22) in sleeve (21), the hole cross section of sleeve (21) is not circular, the locking bolt (211) that are used for locking cursor slide (22) are worn to be equipped with in the side of sleeve (21), depression bar (2) are erect on first pivot (131) through sleeve (21), horizontal pole (3) are located cursor slide (22) one end of first pivot (131) dorsad.

8. The plastic pipe scriber capable of reducing scribing offset as claimed in claim 1, wherein: a rubber pad (32) is arranged on the side surface of the scribing wheel (31).