Core removing device for ultra-high molecular weight polyethylene sintering pipe

Abstract

The utility model relates to the technical field of PE pipe depoling, in particular to a depoling device for an ultra-high molecular weight polyethylene sintering pipe, which comprises a ground rail truss, a sliding block capable of sliding along a sliding rod is arranged on the ground rail truss, a driving motor for driving the sliding block to translate is arranged on the sliding block, a first hook connected with a core pipe of the PE pipe is arranged on the sliding block, and a second hook connected with a second hook is arranged on the second hook. The PE pipe is limited through the fixed position limiting baffle, and the fixed position limiting baffle is used for blocking the PE pipe and allowing the core pipe to pass through; the driving motor is used for driving the first hook on the sliding block to move horizontally and pulling out the core pipe in the PE pipe. The device has the advantages that the core pipe in the PE pipe is automatically drawn out, the machining difficulty is reduced, and the machining efficiency is improved, and the problem that in the prior art, a center rod is very difficult to draw out from the PE pipe is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PE pipe core technology field, concretely is a kind of sintered pipe of ultra-high molecular weight polyethylene's core pulling device. BACKGROUND

[0002] PE sintered pipe mould mainly includes stainless steel sleeve and center rod, wherein sleeve inner diameter determines the outer diameter size of PE pipe, center rod outer diameter determines the inner diameter of PE pipe.When sintering, PE powder fills the gap between center rod and sleeve, and after vibration filling, the mould filled with PE powder is sent into furnace to be heated, and after a certain temperature and time, it is discharged to cool and demould to obtain the PE sintered pipe after shaping.At this time, the mould after cooling and the PE pipe in the mould are different in material, and the thermal expansion and cold shrinkage coefficients are different, that is, the size of PE pipe after cold shrinkage is larger than the size of center rod after shrinkage, so it is very difficult to pull out the center rod from the PE pipe.Therefore, we propose a kind of sintered pipe of ultra-high molecular weight polyethylene's core pulling device. SUMMARY

[0003] The utility model discloses a kind of sintered pipe of ultra-high molecular weight polyethylene's core pulling device, with the advantage of automatically pulling out the core pipe in PE pipe, reduce processing difficulty, improve processing efficiency, solve the problem that it is very difficult to pull out the center rod from the PE pipe because the mould after cooling and the PE pipe in the mould are different in material, and the thermal expansion and cold shrinkage coefficients are different, that is, the size of PE pipe after cold shrinkage is larger than the size of center rod after shrinkage.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of sintered pipe of ultra-high molecular weight polyethylene's core pulling device, including ground rail truss, the ground rail truss is provided with the sliding block capable of sliding along slide bar, the sliding block is installed with the drive motor of driving sliding block translation, the sliding block is provided with the hook one connected with the core pipe of PE pipe, the PE pipe is limited by fixed position limit stop, the fixed position limit stop is used to block PE pipe, and allow core pipe to pass;The drive motor is used to drive the hook one on sliding block translation, and pull out the core pipe in PE pipe.

[0005] Preferably, the core pipe is provided with inner screw thread, and the hook two is threadedly connected by inner screw thread, and the hook two is used to be connected with the hook one.

[0006] Preferably, the hook one is installed on the sliding block by fixing part, and the hook one is provided with tension sensor between the sliding block.

[0007] Preferably, the sliding block is provided with distance sensor, and the distance sensor is used to detect the translation distance of sliding block.

[0008] Preferably, the fixed position limiting baffle is installed at the starting position of the ground rail truss, a through hole is formed in the surface of the fixed position limiting baffle, and the size of the through hole is greater than the diameter of the core pipe and less than the diameter of the PE pipe.

[0009] Preferably, a speed sensor is installed on the sliding block, and the speed sensor is used for monitoring the translation speed of the sliding block.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] The utility model discloses a ground rail truss is set up according to the PE pipe core pipe length, and driving motor and driving gear and rack are added according to the tension size, an inner screw is arranged at the head portion of the central rod, a hook that moves with the motor is installed on the ground rail operation motor, a fixed position limiting baffle is arranged at the starting position of the truss, the PE pipe that removes the outer sleeve can pass through the baffle, and the remaining part is blocked behind the baffle, the core pipe hook is connected with the inner screw of the core pipe, and then the operation motor hook is hooked with each other, the operation motor is controlled to move back, and the core pipe is extracted from the PE pipe. Automation is realized to extract the core pipe in the PE pipe, the processing difficulty is reduced, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model;

[0013] Figure 2 It is the structure schematic diagram of the utility model hook two;

[0014] Figure 3 It is the ground rail truss plan view of the utility model;

[0015] Figure 4 It is the ground rail truss side view of the utility model.

[0016] In the drawing: 1, ground rail truss;2, driving motor;3, sliding block;4, fixed part;5, hook one;6, hook two;7, PE pipe;8, core pipe;9, fixed position limiting baffle;10, tension sensor;11, distance sensor;12, speed sensor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] As Figures 1-4As shown, a kind of de-coring device of ultra-high molecular weight polyethylene sintered tube, including ground rail truss 1, ground rail truss 1 It is provided with the sliding block 3 capable of sliding along slide bar, driving motor 2 is installed on sliding block 3 and driving sliding block 3 translation, sliding block 3 It is provided with the hook one 5 connected with the core pipe 8 of PE pipe 7, PE pipe 7 is limited by fixed position limiting baffle 9, fixed position limiting baffle 9 It is used to block PE pipe 7, and allow the core pipe 8 to pass through;Driving motor 2 is used to drive the hook one 5 on sliding block 3 translation, and the core pipe 8 in PE pipe 7 is extracted.Fixed position limiting baffle 9 is installed at the starting position of ground rail truss 1, its surface is provided with through-hole, and the size of through-hole is greater than the diameter of core pipe 8, and less than the diameter of PE pipe 7,PE pipe 7 without outer sleeve except that core pipe 8 can pass through the baffle, the rest is blocked behind the baffle,

[0019] The core pipe 8 is provided with internal screw thread, and the hook two 6 is connected with the internal screw thread, and the hook two 6 is used to be hooked with the hook one 5, to realize connection and quick disassembly. Figure 1 The hook two 6 on the left side in the middle is the position of hook two 6 before de-coring, Figure 1 The hook two 6 on the right side in the middle is the position of hook two 6 after de-coring, which is used as a comparison.

[0020] The hook one 5 is installed on the sliding block 3 by fixing part 4, and the tension sensor 10 is arranged between the hook one 5 and the sliding block 3.The distance sensor 11 is arranged on the sliding block 3, and the distance sensor 11 is used to detect the translation distance of the sliding block 3.The speed sensor 12 is installed on the sliding block 3, and the speed sensor 12 is used to monitor the translation speed of the sliding block 3.By setting the tension sensor 10, the distance sensor 11 and the speed sensor 12, the tension, the running speed and the running distance can be adjusted, so that the de-coring efficiency is ensured, and the PE pipe 7 is prevented from being damaged due to excessive tension or speed, and the running distance is monitored to determine whether de-coring is completed.Tension sensor adopts S-type tension sensor, plate ring type tension sensor or single point type tension sensor, and the stretching or compression deformation of the force-bearing object is converted into the change of resistance value, so that the force applied to the force-bearing object is measured.Distance sensor adopts infrared distance measuring sensor, and infrared emitter is used to emit infrared rays, when the infrared rays irradiate on the object, part of the infrared rays is reflected back by the object and is received by the receiver.The distance between the object and the sensor can be calculated by measuring the emission and receiving time interval of the infrared rays.The speed sensor adopts linear speed sensor, which can convert the speed of the object into electrical signal or other form of output signal for further processing or control.

[0021] In use, the ground rail truss 1 is set according to the length of the core pipe 8 of the PE pipe 7, the driving motor 2 and the driving gear and rack are installed according to the tension size; the PLC control system is installed, the tension size, the running speed and the running distance are adjusted by using the tension sensor 10, the speed sensor 12 and the distance sensor 11. The inner screw is arranged at the head of the core pipe 8, the hook two 6 is connected through the inner screw, the hook one 5 which acts together with the driving motor 2 and the sliding block 3 is installed on the sliding block 3 of the ground rail truss 1; the fixed position limiting baffle 9 is arranged at the starting position of the ground rail truss 1, the PE pipe 7 which is taken off the outer sleeve can pass through the baffle, and the rest part is blocked behind the baffle, the hook two 6 of the core pipe 8 is connected with the inner screw of the core pipe 8, then the hook one 5 of the driving motor 2 is hooked with each other, the driving motor 2 is controlled to drive the sliding block 3 to move backward, and the core pipe 8 is drawn out from the PE pipe 7.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A core removal device for sintered tubes of ultra-high molecular weight polyethylene, characterized in that: The utility model relates to a kind of PE pipe pulling device, including ground rail truss (1), sliding block (3) can be slid along slide bar is provided on the ground rail truss (1), driving motor (2) for driving sliding block (3) translation is installed on the sliding block (3), the hook one (5) for being connected with the core pipe (8) of PE pipe (7) is provided on the sliding block (3), the PE pipe (7) is limited by fixed position limiting baffle (9), the fixed position limiting baffle (9) is used to block PE pipe (7), and allow core pipe (8) to pass through;Driving motor (2) is used to drive the hook one (5) on sliding block (3) translation, and core pipe (8) in PE pipe (7) is extracted.

2. The sintered UHMW-PE tube decoring device according to claim 1, characterized in that: The core pipe (8) is provided with internal screw thread, and hook two (6) is connected by internal screw thread, and the hook two (6) is used to be connected with hook one (5).

3. The sintered UHMW-PE tube decoring device according to claim 1, characterized in that: The hook one (5) is installed on sliding block (3) by fixing part (4), and pull sensor (10) is provided between hook one (5) and sliding block (3).

4. The sintered UHMW-PE tube decoring device according to claim 1, characterized in that: Distance sensor (11) is provided on the sliding block (3), and the distance sensor (11) is used to detect the translation distance of sliding block (3).

5. The sintered UHMWPE tube decoring device according to claim 1, characterized in that: The fixed position limiting baffle (9) is installed at the starting position of ground rail truss (1), the surface is provided with through hole, and the size of through hole is greater than the diameter of core pipe (8), and less than the diameter of PE pipe (7).

6. The sintered UHMW-PE tube decoring device according to claim 1, characterized in that: Speed sensor (12) is installed on the sliding block (3), and the speed sensor (12) is used to monitor the translation speed of sliding block (3).

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