CN210308689U - Cable granule hot pressing becomes piece device - Google Patents

Abstract

The utility model discloses a cable granule hot pressing becomes piece device, the power distribution box comprises a box body, the box includes box and lower box, is equipped with the top board in last box, and the top board four corners links to each other with the guide arm of four parallels downwards, and it is equipped with first removal clamp plate and second removal clamp plate to slide on the guide arm, at the top board, first removal clamp plate and the inside heating device that is equipped with of second removal clamp plate, is equipped with stop device in the top board, is equipped with the pneumatic cylinder in the lower box, between top board and first removal clamp plate with be equipped with cable granule anchor clamps between the second removal clamp plate. The clamp of the device can accommodate and fix cable particles, the cable sheets with regular shapes and consistent thickness can be formed by heating and extruding on the device, the subsequent tensile test is facilitated, meanwhile, two sheets can be obtained by one-time operation of the device, and the working efficiency is improved.

Description

Cable granule hot pressing becomes piece device

Technical Field

The utility model relates to a hot pressing becomes piece device, concretely relates to can become piece device so that carry out performance test's hot pressing with cable granule hot pressing.

Background

The cable sheath is the outermost layer of the cable and is generally prepared by mixing and granulating a high-density polyethylene material and a processing aid. For example, the high-power photovoltaic cable material is prepared by mixing, heating and banburying materials such as common ethylene-vinyl acetate copolymer, high-density polyethylene, halogen-free flame retardant, antioxidant, light stabilizer, ultraviolet absorbent, copper inhibitor, lubricant, crosslinking sensitizer and the like in a banbury mixer, and then extruding and granulating the mixture by a double-screw extruder. The properties of the granules mainly depend on the composition formula of the granules and the banburying process conditions, and finally determine the properties of the prepared cable sheath. Therefore, the production needs to carry out the random inspection of different batches of high polymer particles, and during the random inspection, the high polymer particles need to be hot-pressed into sheets, and then the tensile property of the sheets needs to be tested. However, in the use of the existing hot-pressing sheet forming device, the surfaces of cable particles are smooth to roll without being bound for shaping, so that the shapes of the pressed sheets are irregular, the thicknesses of the pressed sheets are inconsistent, the subsequent tests are influenced, and only one sheet can be pressed at a time, so that the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable granule hot pressing becomes piece device, the device's anchor clamps can be acceptd fixedly to the cable granule, and the extrusion of heating can form shape rule, the unanimous cable sheet of thickness on the device, and the follow-up tensile test of being convenient for, the device one shot operation can obtain two sheets simultaneously, has promoted work efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cable particle hot-pressing sheet forming device comprises a box body, wherein the box body comprises an upper box body and a lower box body, an upper pressing plate is arranged in the upper box body, four corners of the upper pressing plate are downwards connected with four parallel guide rods, a first movable pressing plate and a second movable pressing plate are arranged on the guide rods in a sliding mode, heating devices are arranged in the upper pressing plate, the first movable pressing plate and the second movable pressing plate, a limiting device is arranged in the upper box body, and the limiting device supports the first movable pressing plate at the middle position of the guide rods; the hydraulic cylinder is arranged in the lower box body, a piston rod of the hydraulic cylinder is upwards arranged and can push the second movable pressing plate upwards, a cable particle clamp is arranged between the upper pressing plate and the first movable pressing plate and between the first movable pressing plate and the second movable pressing plate, the cable particle clamp comprises an upper clamping plate and a lower clamping plate, and a rectangular frame is clamped between the upper clamping plate and the lower clamping plate.

Preferably, the upper press plate, the first movable press plate and the second movable press plate comprise a support frame and a cuboid heating block arranged in the support frame, the thickness of the cuboid heating block is larger than that of the support frame, the heating device comprises an electric heating wire and a temperature sensor, the electric heating wire and the temperature sensor are arranged in the cuboid heating block, and the support frame of the first movable press plate and the second movable press plate is sleeved on the four parallel guide rods through sliding sleeves at four corners.

Preferably, a heating control device and a pressure control device are installed on one side of the upper box body, the heating control device is connected with the electric heating wire and the temperature sensor, the end part of a piston rod of the hydraulic cylinder is provided with the pressure sensor, and the pressure control device is connected with the pressure sensor and controls the motor to act.

Preferably, a layer of heat-resistant non-stick film is arranged between the upper clamping plate and the rectangular frame and between the lower clamping plate and the rectangular frame.

The technical scheme of the utility model, adorn the cable granule in the rectangle frame, and be cliied by the punch holder, then put top board and first removal clamp plate, first removal clamp plate and second remove between the clamp plate, the piston rod of pneumatic cylinder removes the clamp plate ejection with the second and rises, then upwards the first removal clamp plate of ejection to the motion of top board direction, simultaneously the top board, first removal clamp plate, the heating block in the second removal clamp plate begins to heat, the cable granule in the anchor clamps is heated and is melted and extruded like this, will form the rectangle sheet, the appearance rule, the thickness is even unanimous, be convenient for carry out tensile test. Meanwhile, two sheets can be pressed out at one time between the first movable pressing plate and the upper pressing plate and between the first movable pressing plate and the second movable pressing plate, and the working efficiency is improved. The heating temperature setting and the hydraulic cylinder extrusion pressure setting can be carried out, so that the operation condition of the extrusion sheet is more controllable, and the study on the performance of the sheet prepared at different temperatures and pressures is facilitated.

Drawings

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

FIG. 2 is a schematic diagram of a rectangular frame structure;

fig. 3 is a schematic view of the structure of the upper splint or the lower splint.

Detailed Description

The utility model is further explained with the attached drawings as follows:

as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a cable granule hot pressing becomes piece device, including box 1, box 1 includes upper box 11 and lower box 12. An upper pressure plate 2 is arranged in the upper box body 1, and four corners of the upper pressure plate 2 are downwards connected with four parallel guide rods 3. A first moving platen 4 and a second moving platen 5 are slidably mounted on the guide bar 3. The top board 2, first removal clamp plate 4 and second remove clamp plate 5 and all include braced frame 101 and fix cuboid heating block 102 in braced frame 101, it is first, the braced frame four corners of second removal clamp plate is equipped with the sliding sleeve, cup joint on guide arm 3, be equipped with electric heating wire and temperature sensor in heating block 102, temperature sensor is used for measuring the temperature of heating block, and convey temperature control device, temperature control device controls electric heating wire according to the actual temperature that temperature value and temperature sensor detected of predetermineeing to heat or stop heating. The heating blocks 102 have a thickness greater than that of the supporting frame 101 and protrude from the supporting frame, and the heating blocks 102 of the first moving platen 4 protrude from both upper and lower sides of the supporting frame 101 so as to be in contact with the heating blocks of the upper platen 2 and the second moving platen 5, respectively. Be equipped with stop device 6 in last box 11 for drag braced frame 101 of first removal clamp plate 4, make first removal clamp plate 4 stop at the intermediate position of guide arm 3, and prevent the whereabouts and laminate with second removal clamp plate 5, then be unfavorable for putting into anchor clamps because the laminating back, stop device 6 prescribes a limit to the home range of first removal clamp plate between the guide arm intermediate position to the top clamp plate. The limiting device 6 can be a horizontal supporting plate or a sliding rod penetrating through a supporting frame of the first movable pressing plate, the bottom of the sliding rod is used for dragging the first movable pressing plate, and when the second movable pressing plate pushes the first movable pressing plate to move upwards to the highest position, the second movable pressing plate can not contact the horizontal supporting plate or the lower end of the sliding rod. The hydraulic cylinder 7 is arranged in the lower box body 12, a piston rod 71 of the hydraulic cylinder 7 is arranged upwards, a weight sensor 72 is arranged at the end part of the piston rod and used for acquiring the force applied by the piston rod 71 to the second movable pressing plate, and the piston rod pushes the heating block of the second movable pressing plate upwards after extending out until the first movable pressing plate is pushed upwards to the upper pressing plate.

And cable particle clamps are arranged between the heating block of the upper pressing plate and the heating block of the first movable pressing plate and between the heating block of the first movable pressing plate and the heating block of the second movable pressing plate. This anchor clamps accompany rectangle frame 21 including punch holder 22 and lower plate between punch holder and the lower plate, fretwork in the middle of the rectangle frame, can also install the strengthening rib additional in the middle of the rectangle frame. The lower clamping plate is horizontally placed, then the rectangular frame is placed on the lower clamping plate, cable plastic particles are filled in the rectangular frame, then the upper clamping plate is covered, and then the whole body is placed between the upper clamping plate and the first movable clamping plate and between the first movable clamping plate and the second movable clamping plate.

The hydraulic cylinder 7 in the lower box body 2 is connected with the oil pump 8 through a pipeline, the oil pump 8 obtains power from the motor 9, the weight sensor 72 is connected with the pressure control device, and the pressure control device controls whether the motor and the hydraulic cylinder continue to work or not according to a preset pressure value and a real pressure value detected by the weight sensor. The circuits and modules related to the temperature control device and the pressure control device are all the prior art which is easy to realize. One side of the upper box body is provided with a control panel 10 used for interacting with a temperature control device and a pressure control device.

In order to reduce the adhesion between the cable material particles and the upper clamping plate and the lower clamping plate, a layer of heat-resistant non-stick film can be additionally arranged between the upper clamping plate and the rectangular frame and between the lower clamping plate and the rectangular frame, and the existing high polymer material with heat resistance and adhesion resistance can be, for example, a polyester film with the temperature resistance of at least 200 ℃. The thickness of the rectangular frame is less than the diameter of the pellets and the thickness of the extruded sheet will generally be slightly greater than the thickness of the rectangular frame.

The above embodiments are merely illustrative of the concept and implementation of the present invention, and are not intended to be limiting, and the technical solutions without substantial changes are still within the protection scope under the concept of the present invention.

Claims (4)

1. A cable particle hot-pressing sheet forming device comprises a box body and is characterized in that the box body comprises an upper box body and a lower box body, an upper pressing plate is arranged in the upper box body, four corners of the upper pressing plate are downwards connected with four parallel guide rods, a first movable pressing plate and a second movable pressing plate are arranged on the guide rods in a sliding mode, heating devices are arranged in the upper pressing plate, the first movable pressing plate and the second movable pressing plate, a limiting device is arranged in the upper box body, and the first movable pressing plate is supported in the middle of the guide rods by the limiting device; the hydraulic cylinder is arranged in the lower box body, a piston rod of the hydraulic cylinder is upwards arranged and can push the second movable pressing plate upwards, a cable particle clamp is arranged between the upper pressing plate and the first movable pressing plate and between the first movable pressing plate and the second movable pressing plate, the cable particle clamp comprises an upper clamping plate and a lower clamping plate, and a rectangular frame is clamped between the upper clamping plate and the lower clamping plate.

2. The apparatus for hot-pressing cable particles into sheets according to claim 1, wherein the upper platen, the first movable platen and the second movable platen each comprise a supporting frame and a rectangular heating block installed in the supporting frame, the rectangular heating block has a thickness greater than that of the supporting frame, the heating apparatus comprises an electric heating wire and a temperature sensor, and is installed in the rectangular heating block, and the supporting frames of the first movable platen and the second movable platen are sleeved on the four parallel guide rods through four sliding sleeves.

3. The apparatus for thermal compression molding of cable particles as claimed in claim 2, wherein a heating control device and a pressure control device are installed at one side of the upper box, the heating control device is connected to the electric heating wire and the temperature sensor, a pressure sensor is installed at an end of a piston rod of the hydraulic cylinder, and the pressure control device is connected to the pressure sensor and controls the motor to operate.

4. The cable pellet hot briquetting device of claim 1, wherein a layer of heat resistant non-stick film is disposed between the upper clamp plate and the rectangular frame and between the lower clamp plate and the rectangular frame.

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