CN-224224481-U - PVC section bar high pressure continuous extrusion device

CN224224481UCN 224224481 UCN224224481 UCN 224224481UCN-224224481-U

Abstract

The utility model discloses a PVC profile high-pressure continuous extrusion device, which comprises a bracket, wherein a material extrusion mechanism is arranged on the bracket, a feed inlet of the material extrusion mechanism is connected with a storage bin through a pipeline, the material extrusion mechanism comprises an extrusion charging barrel, the inner wall of the extrusion charging barrel is slidably connected with a first piston, the open end of the extrusion charging barrel is provided with a barrel cover, and the top and the bottom of the left side of the extrusion charging barrel are provided with a first discharge hole and a second discharge hole. According to the utility model, the first discharge port, the first feed port, the second discharge port and the second feed port are respectively arranged on two sides of the extrusion barrel, materials are extruded in the reciprocating motion process of the first piston, and synchronously enter the extrusion barrel, so that continuous feeding is realized, the continuity of extruded materials is ensured, and the second piston extrudes the materials in the storage bin while extruding the materials, so that the extrusion pressure of the materials is high, and high-pressure extrusion of the materials is ensured.

Inventors

NIU JIAN
GONG QINGCHUN
ZHANG HAO
ZHANG RUIPENG

Assignees

东营华科新材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250528

Claims (6)

1. The utility model provides a PVC section bar high pressure continuous extrusion device, includes the support, the support includes bottom sprag board (1), the top welding of bottom sprag board (1) has support column (2), the top welding of support column (2) has top backup pad (3), be provided with material extrusion mechanism on the support, material extrusion mechanism's feed inlet has storage silo (11) through the pipe connection, a serial communication port, material extrusion mechanism includes extrusion section bar (12), extrusion section bar (12) inner wall sliding connection has first piston (17), barrel cap (16) are installed to the open end of extrusion section bar (12), the left side top and the bottom of extrusion section bar (12) have first discharge gate (121) and second discharge gate (123), the right side top and the bottom of extrusion section bar (12) have first feed inlet (122) and second feed inlet (124), all install the solenoid valve on first discharge gate (121), second discharge gate (123), first feed inlet (122) and second feed inlet (124).
2. The high-pressure continuous extrusion device for PVC profiles according to claim 1, wherein a piston rod (10) is fixedly connected to the top of the first piston (17), a first electric push rod (6) is connected to the top end of the piston rod (10), and a bracket is connected to the top end of the first electric push rod (6); The U-shaped discharging pipe (14) is connected together to first discharge gate (121) and second discharge gate (123), the exit linkage extrusion pipe (15) of U-shaped discharging pipe (14), U-shaped inlet pipe (13) is connected together to first feed inlet (122) and second feed inlet (124), the feed inlet of U-shaped inlet pipe (13) passes through the discharge gate of pipe connection storage silo (11).
3. A PVC profile high pressure continuous extrusion apparatus according to claim 2, wherein the top end of the cylinder cap (16) is integrally provided with an extension ring (161), a rubber sleeve (1611) is adhered to the extension ring (161), and the rubber sleeve (1611) elastically clamps the piston rod (10).
4. The high-pressure continuous extrusion device for PVC profiles according to claim 2, wherein a first support connecting seat (4) is welded at the bottom of the top supporting plate (3), a first electric push rod (6) is inserted into the inner wall of the first support connecting seat (4), and the first electric push rod (6) and the first support connecting seat (4) are fixed through bolts; The top fixedly connected with second support connecting seat (8) of piston rod (10), in second support connecting seat (8) are inserted to the bottom of first electric putter (6), and pass through the bolt fastening between second support connecting seat (8) and the first electric putter (6).
5. The high-pressure continuous extrusion device for PVC profiles according to claim 4, wherein the inner wall of the storage bin (11) is slidably connected with a second piston (18), the top of the second piston (18) is connected with a second electric push rod (7), and the top of the second electric push rod (7) is connected with a top support plate (3).
6. The high-pressure continuous extrusion device for PVC profiles according to claim 5, wherein a third supporting connecting seat (5) is welded at the bottom of the top supporting plate (3), the top of the second electric push rod (7) is inserted into the third supporting connecting seat (5), and the third supporting connecting seat (5) and the second electric push rod (7) are fixed through bolts; the top fixedly connected with fourth support connecting seat (9) of second piston (18), in fourth support connecting seat (9) are inserted to the bottom of second electric putter (7), and pass through the bolt fastening between fourth support connecting seat (9) and second electric putter (7).

Description

PVC section bar high pressure continuous extrusion device Technical Field The utility model relates to the technical field of PVC profile processing, in particular to a high-pressure continuous extrusion device for a PVC profile. Background The PVC profile is an industrial and domestic PVC product formed by high-temperature extrusion after various functional additives are added into PVC resin. The continuity of extrusion of PVC profiles is mainly dependent on whether the feeding is continuous or not, and at present, the feeding is usually carried out by means of an injector, the piston extruding the molten material has the effect of extruding the material only in a single pass, the return stroke of the piston is used for sucking the material, and therefore the feeding is discontinuous. Disclosure of utility model The utility model aims to provide a PVC profile high-pressure continuous extrusion device, which is characterized in that a first discharge hole, a first feed hole, a second discharge hole and a second feed hole are arranged, so that materials are extruded in the reciprocating motion process of a first piston and synchronously enter an extrusion cylinder, continuous feeding is realized, and the continuity of extruded materials is ensured. In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided: The utility model provides a PVC section bar high pressure continuous extrusion device, includes the support, the support includes the bottom sprag board, the top welding of bottom sprag board has the support column, the top welding of support column has the top sprag board, be provided with material extrusion mechanism on the support, material extrusion mechanism's feed inlet has the storage silo through the pipe connection, material extrusion mechanism includes the extrusion feed cylinder, extrusion feed cylinder inner wall sliding connection has first piston, the cover is installed to the open end of extrusion feed cylinder, the left side top and the bottom of extrusion feed cylinder have first discharge gate and second discharge gate, the right side top and the bottom of extrusion feed cylinder have first feed inlet and second feed inlet, all install the solenoid valve on first discharge gate, second discharge gate, first feed inlet and the second feed inlet. Preferably, the top of the first piston is fixedly connected with a piston rod, the top end of the piston rod is connected with a first electric push rod, and the top end of the first electric push rod is connected with a bracket; The first discharge port and the second discharge port are connected with a U-shaped discharge pipe together, an outlet of the U-shaped discharge pipe is connected with an extrusion pipe, the first feed port and the second feed port are connected with a U-shaped feed pipe together, and the feed port of the U-shaped feed pipe is connected with the discharge port of the storage bin through a guide pipe. Preferably, the top end of the cylinder cover is integrally provided with an extension ring, a rubber sleeve is adhered in the extension ring, and the rubber sleeve elastically clamps the piston rod. Preferably, a first support connecting seat is welded at the bottom of the top supporting plate, a first electric push rod is inserted into the inner wall of the first support connecting seat, and the first electric push rod and the first support connecting seat are fixed through bolts; The top fixedly connected with second support connecting seat of piston rod, in the second support connecting seat was inserted to first electric putter's bottom, and pass through the bolt fastening between second support connecting seat and the first electric putter. Preferably, the inner wall of the storage bin is slidably connected with a second piston, the top of the second piston is connected with a second electric push rod, and the top of the second electric push rod is connected with a top support plate. Preferably, a third support connecting seat is welded at the bottom of the top supporting plate, the top of the second electric push rod is inserted into the third support connecting seat, and the third support connecting seat and the second electric push rod are fixed through bolts; The top fixedly connected with fourth support connecting seat of second piston, in the fourth support connecting seat was inserted to the bottom of second electric putter, and pass through the bolt fastening between fourth support connecting seat and the second electric putter. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the first discharge port, the first feed port, the second discharge port and the second feed port are respectively arranged on two sides of the extrusion cylinder, materials are extruded in the reciprocating motion process of the first piston, and synchronously enter the extrusion cylinder, s