Fixing structure of PVC (polyvinyl chloride) material extruder

Abstract

The utility model belongs to the technical field of PVC (polyvinyl chloride) material forming, and particularly relates to a PVC material extruder fixing structure which comprises a base, an extrusion motor is fixedly installed on the upper portion of one end of the base, an extrusion barrel is fixedly installed on the upper portion of the base, a screw rod is arranged in the extrusion barrel, an electric heating pipe is spirally arranged on the peripheral wall of the extrusion barrel, the discharging end of the extrusion barrel is sleeved with a fixing shell, a fixing groove is formed in the front end of the fixing shell, and clamping blocks are arranged on the two sides in the fixing groove. A semicircular clamping groove is formed in the clamping block, first air cylinders are fixedly installed on the two sides of the fixing groove, the front ends of piston rods of the first air cylinders are fixedly connected to one side of the clamping block, a sliding table is arranged at the other end of the base, a rotating disc is arranged above the sliding table, and a plurality of positioning grooves are evenly formed in the edge of the upper portion of the rotating disc. A fixed support is fixedly mounted in the center of the upper part of the turntable; an extruder head is fixedly mounted at the top end of the fixed support; through the arrangement, the extruder head can be quickly fixed or disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC material molding, in particular to a PVC material extruder fixing structure. Background Art

[0002] PVC, full name polyvinyl chloride, is a widely used plastic material. It has excellent chemical stability, corrosion resistance, wear resistance and electrical insulation. PVC was once the world's largest-volume general-purpose plastic and is widely used in building materials, industrial products, daily necessities, furniture, home appliances and other fields.

[0003] PVC material extruder is a kind of equipment for manufacturing PVC products. It can make PVC materials into products of various shapes and sizes through the process of heating, plasticizing, mixing and extrusion. PVC material extruder is widely used in construction, packaging, medical, electronics, automobile and other fields.

[0004] The existing extruder and the die are usually fixed by bolts, which requires unscrewing multiple bolts when disassembling the die, wasting time and reducing the extrusion efficiency of the PVC material. Therefore, a PVC material extruder fixing structure is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, the existing extruder and the die are usually fixed by bolts, which requires unscrewing multiple bolts when disassembling the die, wasting time and reducing the extrusion efficiency of the PVC material. The utility model proposes a PVC material extruder fixing structure.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model describes a fixed structure of a PVC material extruder, comprising a base; an extrusion motor is fixedly installed on the upper part of one end of the base, an extrusion barrel is fixedly installed on the upper part of the base, a discharge port is opened on the upper part of one end of the extrusion barrel, a discharge hopper is fixedly installed on the discharge port, a spiral rod is inside the extrusion barrel, a spiral blade is fixedly installed on the spiral rod, the rotating shaft of the extrusion motor is fixedly connected to the spiral rod through a coupling, an electric heating tube is spirally arranged on the peripheral wall of the extrusion barrel, and a fixed sleeve is arranged on the discharge end of the extrusion barrel Shell, a fixing groove is provided at the front end of the fixed shell, blocks are provided on both sides of the fixing groove, a semicircular groove is opened in the block, a No. 1 cylinder is fixedly installed on both sides of the fixing groove, the front end of the piston rod of the No. 1 cylinder is fixedly connected to one side of the block, a slide is provided at the other end of the base, a turntable is provided above the slide, a plurality of positioning grooves are evenly opened on the upper edge of the turntable, a fixed support is fixedly installed at the center of the upper part of the turntable, an extruder head is fixedly installed on the top of the fixed support, the two flanges are clamped together by pushing the block through the cylinder, and the extruder head is quickly fixed.

[0007] Preferably, protrusions are provided at both upper and lower ends of the block, and sliding grooves are provided on the upper and lower groove walls in the fixed groove at the front end of the fixed shell. The block is slidably installed in the sliding groove through the protrusions, and the block slides parallel to each other under the action of the sliding grooves.

[0008] Preferably, slide rails are fixedly installed on both sides of the upper part of the slide platform, a slide plate is slidably installed in the slide rails, a circular clamping ring is fixedly installed on the upper part of the slide plate, the turntable is rotatably installed in the circular clamping ring, and the circular clamping ring is used to rotate the turntable to maintain stability.

[0009] Preferably, a through hole is opened on one side of the upper part of the circular clamping ring, a limiting cylinder is fixedly installed on the outer side of the upper part of the through hole, a positioning rod is slidably installed in the through hole, the lower end of the positioning rod is slidably installed in the positioning groove, a top plate is fixedly installed on the top of the positioning rod, the top plate is slidably installed in the limiting cylinder, a spring is provided between the upper part of the top plate and the top wall of the limiting cylinder and is slidably installed in the limiting cylinder, the positioning rod cooperates with the positioning groove to fix the extruder head when adjusting the horizontal angle, and prevent the extruder head from deflecting.

[0010] Preferably, a No. 2 cylinder is fixedly installed on one side of the upper part of the slide, and the front end of the No. 2 cylinder piston rod is fixedly connected to one side of the slide. The extruder head is moved to one side of the base through the No. 2 cylinder to facilitate replacement and cleaning.

[0011] Preferably, a clamping strip is fixedly installed on the bottom of one side of the slide, and the clamping strip is slidably arranged on the side of the base, and a slider is welded on the other side of the slide, and a threaded hole is opened on one side of the slider, and a mounting seat is fixedly installed on one end of the base, and a screw rod is arranged in the mounting seat, and both ends of the screw rod are rotatably mounted in the mounting seat through bearings, and an adjusting motor is fixedly installed on one side of the mounting seat, and the rotating shaft of the adjusting motor is fixedly connected to one end of the screw rod, and the slider is slidably installed on the screw rod through the threaded hole, and the extruder head is driven close to or away from the discharge end of the extruder barrel by the rotation of the screw rod.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model replaces and installs the extruder head according to the type of product to be produced when using the extruder, moves the replaced extruder head through the slide table to move the turntable, and the turntable drives the fixed support and the extruder head thereon to move into the fixed groove of the fixed shell and dock with the flange at the discharge end of the extruder barrel, starts the No. 1 cylinder, and the No. 1 cylinder pushes the two clamping blocks to move toward each other, clamps the two docking flanges in the upper semicircular groove of the clamping block, and completes the fixed connection between the extruder head and the extruder barrel, starts the extrusion motor, and the extrusion motor drives the spiral rod to rotate, and the PVC material particles are put into the extrusion barrel through the lower hopper, and the spiral blade pushes the PVC material in the extrusion barrel to be heated by the electric heating tube for melting, and the spiral blade pushes the molten PVC material into the extruder head for discharge. The structure design realizes the function of quickly disassembling the head, solves the problem that the existing extruder and the head are usually fixed by bolts, which makes it necessary to unscrew multiple bolts when disassembling the head, wastes time, reduces the working efficiency of the PVC material extruder, and improves the working efficiency of the extruder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a structural diagram from one side of the extruder;

[0016] Figure 2 It is a schematic diagram of the structure of the other side of the extruder;

[0017] Figure 3 It is a schematic diagram of the internal structure of the extruder;

[0018] Figure 4 It is a schematic diagram of the internal structure of the rotating device;

[0019] Figure 5 It is a schematic diagram of the structure of the regulating device.

[0020] In the figure: 1. Base; 2. Extrusion motor; 3. Extrusion barrel; 4. Lower hopper; 5. Screw rod; 6. Electric heating tube; 7. Fixed shell; 8. No. 1 cylinder; 9. Block; 10. Slide; 11. Slide rail; 12. Slide plate; 13. Circular clamping ring; 14. No. 2 cylinder; 15. Turntable; 16. Fixed support; 17. Limiting barrel; 18. Top plate; 19. Positioning rod; 20. Spring; 21. Screw rod; 22. Adjustment motor; 23. Clamping strip; 24. Extruder head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 As shown, a fixed structure of a PVC material extruder comprises a base 1; an extrusion motor 2 is fixedly installed on the upper part of one end of the base 1, an extrusion barrel 3 is fixedly installed on the upper part of the base 1, a discharge port is opened on the upper part of one end of the extrusion barrel 3, a discharge hopper 4 is fixedly installed on the discharge port, a screw rod 5 is inside the extrusion barrel 3, a spiral blade is fixedly installed on the screw rod 5, the rotating shaft of the extrusion motor 2 is fixedly connected to the screw rod 5 through a coupling, an electric heating tube 6 is spirally arranged on the peripheral wall of the extrusion barrel 3, and a discharge end sleeve of the extrusion barrel 3 is provided. A fixed shell 7 is provided at the front end of the fixed shell 7, and blocks 9 are provided on both sides of the fixed slot. A semicircular slot is provided in the block 9, and a No. 1 cylinder 8 is fixedly installed on both sides of the fixed slot. The front end of the piston rod of the No. 1 cylinder 8 is fixedly connected to one side of the block 9. A slide 10 is provided at the other end of the base 1, and a turntable 15 is provided above the slide 10. A plurality of positioning grooves are evenly provided on the upper edge of the turntable 15. A fixed support 16 is fixedly installed at the center of the upper part of the turntable 15, and the top of the fixed support 16 is fixedly installed There is an extruder head 24; when working, the existing extruder and the head are usually fixed by bolts, which requires unscrewing multiple bolts when disassembling the head, wasting time and reducing the working efficiency of the PVC material extruder. When using the extruder, first replace and install the extruder head 24 according to the type of product to be produced, and move the replaced extruder head 24 through the slide 10 to move the turntable 15, and the turntable 15 drives the fixed support 16 and the extruder head 24 thereon to move to the fixed groove of the fixed shell 7 and the extruder barrel 3. The discharge end flanges are butted, and the No. 1 cylinder 8 is started. The No. 1 cylinder 8 pushes the two clamping blocks 9 to move toward each other, and the two butted flanges are clamped in the upper semicircular grooves of the clamping blocks 9. The extruder head 24 is fixedly connected to the extruder barrel 3, and the extruder motor 2 is started. The extruder motor 2 drives the screw rod 5 to rotate, and the PVC material particles are put into the extruder barrel 3 through the lower hopper 4. The spiral blades push the PVC material in the extruder barrel 3 to be heated by the electric heating tube 6 for melting, and the spiral blades push the molten PVC material into the extruder head 24 for discharge.

[0023] The block 9 is provided with protrusions at both the upper and lower ends, and sliding grooves are opened on the upper and lower side walls of the fixed groove at the front end of the fixed shell 7. The block 9 is slidably installed in the sliding groove through the protrusions; during operation, when the extruder head 24 is installed and fixed, the No. 1 cylinder 8 pushes the block 9 to move toward the center in the fixed groove, and the two connecting flanges are clamped in the semicircular groove, so that the extruder head 24 is fixedly connected with the extrusion barrel 3.

[0024] Slide rails 11 are fixedly installed on both sides of the upper part of the slide 10, and a slide plate 12 is slidably installed in the slide rails 11. A circular clamping ring 13 is fixedly installed on the upper part of the slide plate 12, and the turntable 15 is rotatably installed in the circular clamping ring 13; during operation, when the extruder head 24 is installed, the assembled extruder head 24 is rotated until the central axis is parallel to the central line of the extrusion barrel 3. During this process, the extruder head 24 drives the turntable 15 to rotate in the circular clamping ring 13 through the fixed support 16. When the rotation is completed, the slide plate 12 is pushed. The slide plate 12 moves horizontally under the action of the slide rails 11, and the extruder head 24 is moved to be on the same central axis as the extrusion barrel 3.

[0025] A through hole is opened on one side of the upper part of the circular clamping ring 13, and a limiting cylinder 17 is fixedly installed on the outer side of the upper part of the through hole, and a positioning rod 19 is slidably installed in the through hole, and the lower end of the positioning rod 19 is slidably installed in the positioning groove, and a top plate 18 is fixedly installed on the top of the positioning rod 19, and the top plate 18 is slidably installed in the limiting cylinder 17, and a spring 20 is arranged between the upper part of the top plate 18 and the top wall of the limiting cylinder 17 and is slidably installed in the limiting cylinder 17; during operation, when the extruder head 24 is installed, in the process of rotating the extruder head 24, the lower end of the positioning rod 19 slides on the upper surface of the turntable 15, and the spring 20 is in a compressed state at this time, and in the process of the lower end of the positioning rod 19 moving into the positioning groove, the spring 20 pushes the top plate 18 to slide down in the limiting cylinder 17, and the top plate 18 pushes the lower end of the positioning rod 19 to slide into the bottom of the positioning groove, thereby fixing the turntable 15.

[0026] A No. 2 cylinder 14 is fixedly installed on one side of the upper part of the slide 10, and the front end of the piston rod of the No. 2 cylinder 14 is fixedly connected to one side of the slide plate 12; during operation, when the extruder head 24 is installed, the No. 2 cylinder 14 is started, and the No. 2 cylinder 14 pushes the slide plate 12 to slide on the slide 10.

[0027] A clamping strip 23 is fixedly installed at the bottom of one side of the slide 10, and the clamping strip 23 is slidably arranged on the side of the base 1. A slider is welded on the other side of the slide 10, and a threaded hole is opened on one side of the slider. A mounting seat is fixedly installed on one side of the other end of the base 1, and a screw rod 21 is arranged in the mounting seat. Both ends of the screw rod 21 are rotatably mounted in the mounting seat through bearings, and an adjusting motor 22 is fixedly installed on one side of the mounting seat. The rotating shaft of the adjusting motor 22 is fixedly connected to one end of the screw rod 21, and the slider is slidably mounted on the screw rod 21 through the threaded hole; during operation, when the extruder head 24 is installed, when the central axis of the moving extruder head 24 coincides with the central axis of the extrusion barrel 3, the adjusting motor 22 is started, and the adjusting motor 22 drives the screw rod 21 to rotate, and the screw rod 21 drives the slide 10 to move toward the extrusion barrel 3 through the slider, and the slide 10 moves parallel to the extrusion barrel 3 under the action of the clamping strip 23, and stops when the connecting flange of the extruder head 24 is docked with the connecting flange of the extrusion barrel 3.

[0028] Working principle: the existing extruder and the head are usually fixed by bolts, which requires unscrewing multiple bolts when disassembling the head, wasting time and reducing the working efficiency of the PVC material extruder. When using the extruder, first replace and install the extruder head 24 according to the type of product to be produced, and move the turntable 15 through the slide 10. The turntable 15 drives the fixed support 16 and the extruder head 24 thereon to move to the fixed groove of the fixed shell 7 and dock with the flange at the discharge end of the extrusion barrel 3. Start the No. 1 cylinder 8, and the No. 1 cylinder 8 pushes the two blocks 9 to move toward each other, and the two docking flanges are stuck in the upper semicircular groove of the block 9. The extruder head 24 is fixedly connected to the extrusion barrel 3, and the extrusion motor 2 is started. The extrusion motor 2 drives the screw rod 5 to rotate, and the PVC material particles are put into the extrusion barrel 3 through the lower hopper 4. The spiral blade pushes the PVC material to be heated by the electric heating tube 6 in the extrusion barrel 3 for melting, and the spiral blade pushes the molten PVC material into the extruder head 24 for discharging.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A PVC material extruder fixing structure, characterized in that: The invention comprises a base (1); an extrusion motor (2) is fixedly mounted on the upper part of one end of the base (1); an extrusion barrel (3) is fixedly mounted on the upper part of the base (1); a discharge port is opened on the upper part of one end of the extrusion barrel (3); a discharge hopper (4) is fixedly mounted on the discharge port; a spiral rod (5) is provided inside the extrusion barrel (3); a spiral blade is fixedly mounted on the spiral rod (5); a rotating shaft of the extrusion motor (2) and the spiral rod (5) are fixedly connected via a coupling; an electric heating tube (6) is spirally mounted on the peripheral wall of the extrusion barrel (3); a fixed shell (7) is sleeved on the discharge end of the extrusion barrel (3); the fixed shell (7) ) is provided with a fixing groove at the front end, and blocks (9) are provided on both sides of the fixing groove. A semicircular groove is provided in the block (9), and a No. 1 cylinder (8) is fixedly installed on both sides of the fixing groove. The front end of the piston rod of the No. 1 cylinder (8) is fixedly connected to one side of the block (9). A slide (10) is provided at the other end of the base (1), and a turntable (15) is provided above the slide (10). A plurality of positioning grooves are evenly provided on the upper edge of the turntable (15). A fixed support (16) is fixedly installed in the center of the upper part of the turntable (15), and an extruder head (24) is fixedly installed on the top of the fixed support (16).

2. A PVC material extruder fixing structure according to claim 1, characterized in that: The clamping block (9) is provided with protrusions at both upper and lower ends, and sliding grooves are provided on the upper and lower groove walls in the front end fixed groove of the fixed shell (7), and the clamping block (9) is slidably installed in the sliding grooves through the protrusions.

3. A PVC material extruder fixing structure according to claim 1, characterized in that: Slide rails (11) are fixedly installed on both sides of the upper part of the slide platform (10), a slide plate (12) is slidably installed in the slide rails (11), a circular clamping ring (13) is fixedly installed on the upper part of the slide plate (12), and the turntable (15) is rotatably installed in the circular clamping ring (13).

4. A PVC material extruder fixing structure according to claim 3, characterized in that: A through hole is formed on one side of the upper part of the circular clamping ring (13), a limiting cylinder (17) is fixedly mounted on the outer side of the upper part of the through hole, a positioning rod (19) is slidably mounted in the through hole, the lower end of the positioning rod (19) is slidably mounted in the positioning groove, a top plate (18) is fixedly mounted on the top of the positioning rod (19), the top plate (18) is slidably mounted in the limiting cylinder (17), and a spring (20) is provided between the upper part of the top plate (18) and the top wall of the limiting cylinder (17) and is slidably mounted in the limiting cylinder (17).

5. A PVC material extruder fixing structure according to claim 1, characterized in that: A No. 2 air cylinder (14) is fixedly mounted on one side of the upper portion of the slide (10), and the front end of the piston rod of the No. 2 air cylinder (14) is fixedly connected to one side of the slide plate (12).

6. A PVC material extruder fixing structure according to claim 1, characterized in that: A clamping strip (23) is fixedly mounted on the bottom of one side of the slide (10), and the clamping strip (23) is slidably arranged on the side of the base (1). A sliding block is welded on the other side of the slide (10), and a threaded hole is opened on one side of the sliding block. A mounting seat is fixedly mounted on one side of the other end of the base (1), and a screw rod (21) is arranged in the mounting seat. Both ends of the screw rod (21) are rotatably mounted in the mounting seat through bearings. An adjusting motor (22) is fixedly mounted on one side of the mounting seat, and the rotating shaft of the adjusting motor (22) is fixedly connected to one end of the screw rod (21). The sliding block is slidably mounted on the screw rod (21) through the threaded hole.

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