CN214040985U

CN214040985U - Plastic pipe bending test machine

Info

Publication number: CN214040985U
Application number: CN202023110540.5U
Authority: CN
Inventors: 王善波; 李光宏; 王晓; 刘桂云
Original assignee: Qingdao Fangyuan Construction Engineering Quality Inspection Co ltd
Current assignee: Qingdao Fangyuan Construction Engineering Quality Inspection Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-24
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a plastic tubing bending test machine belongs to the field of experimental facilities, and it includes the support, and fixed connection has the axis of rotation that the level set up on the support, rotates in the axis of rotation and is connected with a plurality of shaping rollers, fixedly connected with clamping component on every shaping roller, rotates in the axis of rotation and is connected with two rotating cradles, and two rotating cradles are located the both sides of shaping roller respectively, rotates on the rotating cradle and is connected with the bending roll, and every shaping roller both sides all correspond two bending rolls. This application has and upwards rotates the rotating turret, through passing the plastic tubing between clamping component and the shaping roller, and the bending roll is located the plastic tubing top this moment, through rotating the rotating turret, rotates the bending roll downwards, through progressively the downstream of bending roll, makes the bending roll bend the plastic tubing, more is applicable to this kind of soft material that has certain elasticity of plastic tubing, can keep the effect of the crookedness of plastic tubing through the position of location rotating turret.

Description

Plastic pipe bending test machine

Technical Field

The application relates to the field of experimental equipment, in particular to a plastic pipe bending tester.

Background

The plastic pipe is often subjected to a bending test, and the strength of the plastic pipe, whether cracks exist after bending and the like are used for evaluating the quality of the plastic pipe through a plastic pipe bending tester.

The related art can be referred to chinese patent publication No. CN110426292A, which discloses a bending test apparatus that can be used for bending tests of wires of various sizes. The device comprises a base body, wherein the base body is connected with a fixed shaft, a round bar is arranged on the fixed shaft, a handle is further rotatably arranged on the fixed shaft, the handle is connected with a bearing, one end of the round bar is connected with a limiting plate, the other end of the round bar is sleeved with a round bar clamping plate, one end of a first lead screw is connected with the limiting plate, and the other end of the first lead screw penetrates through the round bar clamping plate and is in threaded connection with the round bar clamping plate; the round bar clamping plate is annular, and the inner surface of the round bar clamping plate is provided with a T-shaped block matched with the T-shaped groove on the outer surface of the round bar; the pole includes casing and core, and the core has outwards cup jointed more than or equal to 1 casing, has cup jointed the pole splint on the outermost casing, and the T-slot has all been seted up to core and casing surface, and the casing internal surface be equipped with T-slot complex T-shaped piece, second lead screw one end and limiting plate connection, the other end of second lead screw pass the casing and with casing threaded connection.

In view of the above-mentioned related art, the inventor found that the device bends a round bar, and is not suitable for bending a plastic tube, which is a soft material, and easily applies too much force to a tube point, so that the tube cannot be bent uniformly.

SUMMERY OF THE UTILITY MODEL

In order to facilitate bending the plastic pipe, the application provides a plastic pipe bending test machine.

The application provides a plastic tubing bending test machine adopts following technical scheme:

the utility model provides a plastic tubing bending test machine, includes the support, the axis of rotation that fixed connection has the level to set up on the support, rotate in the axis of rotation and be connected with a plurality of shaping rollers, every fixedly connected with clamping component on the shaping roller, rotate in the axis of rotation and be connected with two rotating cradles, two rotating cradles are located the both sides of shaping roller respectively, rotate on the rotating cradle and be connected with bending roll, every the shaping roller both sides all correspond two bending rolls.

Through adopting above-mentioned technical scheme, the axis of rotation that sets up through the support is improved level, upwards rotate the rotating turret, can upwards rotate the bending roll to shaping roller top both ends position, through passing the plastic tubing between clamping component and the shaping roller, the bending roll is located the plastic tubing top this moment, through rotating the rotating turret, downwards rotate the bending roll, progressively move downwards through the bending roll, make the bending roll bend the plastic tubing, more be applicable to this kind of soft material that has certain elasticity of plastic tubing, the crookedness that can keep the plastic tubing through the position of location rotating turret.

Optionally, the clamping assembly comprises a clamping block slidably connected to the support and close to the position above the forming roller, a screw rod is arranged on the clamping block and connected with the support in a threaded manner, the screw rod is rotatably connected with the clamping block, and the diameter of the end part of one end of the screw rod extending into the clamping block is larger than that of the top end of the screw rod.

Through adopting above-mentioned technical scheme, can drive through the screw rod and press from both sides tight piece and reciprocate to press from both sides tightly the plastic tubing.

Optionally, a rotating handle is arranged at the top end of the screw rod.

Through adopting above-mentioned technical scheme, rotate the handle can just with rotate the screw rod, the drive presss from both sides tight piece and transports.

Optionally, a cambered surface is arranged at a position of the clamping block close to the forming roller.

Through adopting above-mentioned technical scheme, the shape of cambered surface can laminate the shape of plastic tubing, avoids flattening the plastic tubing, influences the observation to the plastic tubing.

Optionally, the bending roller is rotatably connected with a central shaft along the axial direction of the bending roller, the central shaft is connected with the rotating frame in a sliding manner, the bending roller slides along the radial direction of the forming roller, and the rotating frame is provided with a fixing assembly for fixing the position of the bending roller.

Through adopting above-mentioned technical scheme, when the rotating turret rotated, bending roll laminating plastic tubing surface downstream realized bending, and simultaneously, the bending roll can be followed the radial direction of shaping roller and adjusted and the shaping roller between the distance, used the crooked requirement of different pipe diameters.

Optionally, the fixing assembly comprises a tightening bolt arranged on the rotating frame, the rotating frame is provided with a plurality of threaded holes arranged along the radial direction of the forming roller, and the tightening bolt is in threaded connection with the threaded holes.

Through adopting above-mentioned technical scheme, support the distance that tight bolt can fix between bending roll and the shaping roller, when removing suitable position with the bending roll, can fix the position of bending roll through supporting tight bolt.

Optionally, driving devices for driving the rotating frame to rotate are arranged at two ends of the support.

Through adopting above-mentioned technical scheme, can be convenient for rotate the rotating turret through drive arrangement, use manpower sparingly.

Optionally, the driving device includes two driving cylinders hinged to two sides of the bottom end of the support, and piston rods of the driving cylinders are hinged to the rotating frame.

Through adopting above-mentioned technical scheme, through the articulated of driving actuating cylinder and support, cylinder piston rod is articulated with the rotating turret simultaneously, can be to the pivoted drive of rotating turret.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating frame is rotated upwards through the rotating shaft horizontally arranged on the support, the bending roller can be rotated upwards to the positions of the two ends above the forming roller, the plastic pipe penetrates through the space between the clamping assembly and the forming roller, the bending roller is positioned above the plastic pipe at the moment, the bending roller is rotated downwards through rotating the rotating frame, and the bending roller is enabled to bend the plastic pipe through the gradual downward movement of the bending roller, so that the plastic pipe bending device is more suitable for the soft material with certain elasticity, such as the plastic pipe, and can keep the bending degree of the plastic pipe through the position of the positioning rotating frame;

2. the clamping block can be driven to move up and down through the screw rod, so that the plastic pipe is clamped;

3. through the hinge joint of the driving cylinder and the support, the piston rod of the cylinder is hinged with the rotating frame, and the rotating frame can be driven to rotate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view of a projecting clamping assembly in an embodiment of the present application.

Description of reference numerals: 1. a support; 11. a rotating shaft; 12. a forming roller; 13. a rotating frame; 14. a bending roll; 141. a central shaft; 15. a threaded hole; 16. tightly abutting against the bolt; 17. a driving cylinder; 18. a clamping assembly; 181. a screw; 182. a handle; 183. and (5) clamping the blocks.

Detailed Description

A plastic tube bending tester the present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses plastic tubing bending test machine. Referring to fig. 1, plastic tubing bending test machine includes support 1, and fixed connection has the axis of rotation 11 of level setting on the support 1, and the rotation is connected with a plurality of shaping rollers 12 on the axis of rotation 11, and the lateral wall of every shaping roller 12 is the arc setting of the different inside groovess of radian. Fixedly connected with clamping component 18 on every shaping roller 12 rotates on the axis of rotation 11 and is connected with two rotating turret 13, and two rotating turrets 13 are located the both sides of shaping roller 12 respectively, rotate on the rotating turret 13 and are connected with bending roll 14, and every shaping roller 12 both sides all correspond two bending roll 14. When the plastic pipe bending device is used, the forming rollers 12 with different radians are selected according to the diameter of the plastic pipe, the plastic pipe is clamped through the clamping assembly 18, and the clamped plastic pipe rotates through the rotating frame 13 to drive the bending rollers 14 to bend the plastic pipe.

Referring to fig. 1, the bracket 1 is provided at both ends thereof with driving means for driving the rotating frame 13 to rotate. The driving device comprises two driving cylinders 17 arranged at two sides of the bottom end of the hinged support 1, and piston rods of the driving cylinders 17 are hinged with the rotating frame 13. The driving cylinder 17 can drive the rotating frame 13 to rotate, and the bending roller 14 is driven to bend the plastic pipe.

Referring to fig. 1 and 2, the clamping assembly 18 includes a clamping block 183 slidably connected to the bracket 1 at a position close to the upper side of the forming roller 12, a screw 181 is disposed on the clamping block 183, the screw 181 is in threaded connection with the bracket 1, the screw 181 is rotatably connected with the clamping block 183, and the diameter of the end of the screw 181 extending into the clamping block 183 is larger than the diameter of the top end of the screw 181. The clamping block 183 is provided with a cambered surface at a position close to the forming roller 12. The top end of the screw 181 is provided with a rotating handle 182. The handle 182 is screwed to drive the screw 181 to rotate and drive the clamping block 183 to slide up and down, and the diameter of the end part of the screw 181 extending into the clamping block 183 is larger than that of the top end of the screw 181, so that the clamping block 183 can be prevented from falling off.

Referring to fig. 1 and 2, the bending roller 14 is rotatably connected with a central shaft 141 along its axial direction, the central shaft 141 is slidably connected along the rotating frame 13, the bending roller 14 slides along the radial direction of the forming roller 12, and the rotating frame 13 is provided with a fixing component for fixing the position of the bending roller 14. The fixing assembly comprises a tightening bolt 16 arranged on the rotating frame 13, a plurality of threaded holes 15 are formed in the rotating frame 13 in the radial direction of the forming roller 12, and the tightening bolt 16 is in threaded connection with the threaded holes 15. By changing the position of the bending roller 14, different pipe diameters can be applied. The position of the bending roller 14 can be fixed by tightening the bolt 16, and the bending roller 14 is fixed.

The embodiment of the application provides a plastic pipe bending test machine's implementation principle does: when the bending device is used, the rotating frame 13 is rotated upwards, the bending roller 14 can be rotated upwards to the positions of the two ends above the forming roller 12, a plastic pipe passes through the space between the clamping block 183 and the forming roller 12, the bending roller 14 is positioned above the plastic pipe at the moment, the rotating frame 13 is rotated to rotate the bending roller 14 downwards, and the bending roller 14 bends the plastic pipe by gradually moving downwards the bending roller 14; meanwhile, different pipe diameters can be adapted by changing the position of the bending roller 14. The position of the bending roller 14 can be fixed through the abutting bolt 16, the fixing of the bending roller 14 is achieved, the elastic plastic pipe bending device is more suitable for soft materials with certain elasticity, such as a plastic pipe, and the bending degree of the plastic pipe can be kept through the position of the positioning rotating frame 13.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A plastic pipe bending tester is characterized in that: including support (1), rotation axis (11) that fixed connection has the level to set up on support (1), it is connected with a plurality of shaping rollers (12) to rotate on rotation axis (11), every fixedly connected with clamping unit (18) on shaping roller (12), it is connected with two rotating turret (13) to rotate on rotation axis (11), and two rotating turret (13) are located the both sides of shaping roller (12) respectively, it is connected with bending roll (14), every to rotate on rotating turret (13) shaping roller (12) both sides all correspond two bending roll (14).

2. A plastic tube bending tester according to claim 1, wherein: the clamping assembly (18) comprises a clamping block (183) which is slidably connected to the support (1) and is close to the position above the forming roller (12), a screw rod (181) is arranged on the clamping block (183), the screw rod (181) is in threaded connection with the support (1), the screw rod (181) is rotatably connected with the clamping block (183), and the diameter of the end part of one end of the clamping block (183) extends into the screw rod (181) and is larger than the diameter of the top end of the screw rod (181).

3. A plastic tube bending tester according to claim 2, wherein: the top end of the screw rod (181) is provided with a rotating handle (182).

4. A plastic tube bending tester according to claim 2, wherein: the clamping block (183) is provided with a cambered surface at a position close to the forming roller (12).

5. A plastic tube bending tester according to claim 1, wherein: bending roller (14) are connected with center pin (141) along the axial direction rotation of self, center pin (141) are followed rotating turret (13) sliding connection, bending roller (14) are followed the radial direction slip of forming roll (12), be equipped with on rotating turret (13) and be used for fixing the fixed subassembly of bending roller (14) position.

6. The plastic tube bending tester according to claim 5, wherein: the fixing assembly comprises a tight-abutting bolt (16) arranged on a rotating frame (13), the rotating frame (13) is provided with a plurality of threaded holes (15) arranged along the radial direction of the forming roller (12), and the tight-abutting bolt (16) is in threaded connection with the threaded holes (15).

7. A plastic tube bending tester according to claim 1, wherein: and driving devices for driving the rotating frame (13) to rotate are arranged at two ends of the support (1).

8. The plastic tube bending tester according to claim 7, wherein: the driving device comprises two driving cylinders (17) hinged to two sides of the bottom end of the support (1), and piston rods of the driving cylinders (17) are hinged to the rotating frame (13).