Polycaprolactone compound extruder

Abstract

The utility model relates to the technical field of extrusion devices, and discloses a polycaprolactone compound extruder which comprises a base arranged above the ground and a dismounting structure arranged above the base and comprising a first gear, a second gear, an extrusion groove, a sliding groove, a clamping block and a clamping piece, the extrusion groove is formed in the middle of one side of the first gear, and the sliding groove is formed in the middle of the other side of the first gear. A plurality of sliding grooves are formed in one side of the first gear and around the extrusion groove, the second gear is meshed with the first gear, a clamping piece is arranged on one side of each sliding groove, the side face of one end of each clamping piece is fixedly connected with one end of a clamping block, each clamping piece drives the corresponding clamping block to be opened and closed, and all the clamping blocks can be clamped on one side of the extrusion die. The clamping piece drives the clamping block to rapidly achieve opening and closing, the extrusion die can be rapidly disassembled, in the later stage of the extrusion procedure, disassembly and cleaning can be conducted when the polycaprolactone compound is not dry, and the situation that the polycaprolactone compound is difficult to clean after being cooled is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to extrusion device technical field, concretely relates to polycaprolactone compound extruder. BACKGROUND

[0002] The polycaprolactone compound raw material is first sent into the hopper of the extruder, and then gradually melts and uniformly mixes through the forced conveying, shearing, mixing and compression action of the screw. The molten PCL compound is extruded into a shape through the die under the pushing of the screw.

[0003] The prior art discloses a polycaprolactone compound processing extrusion device (CN202222902298.8), which comprises a shell, a motor and an extrusion screw, one end of the shell is provided with a stirring device and a linkage device, the other end is provided with an extrusion device, the extrusion device comprises an extrusion die, a first connecting plate, a second connecting plate and a third connecting plate, the first connecting plate and the second connecting plate are fixedly sleeved at both ends of the extrusion die, the third connecting plate is fixedly sleeved at one end of the shell, the first connecting plate and the third connecting plate are attached, and the first connecting plate and the third connecting plate are provided with a first connecting bolt, and the second connecting plate and the third connecting plate are provided with a second connecting bolt.

[0004] During the extrusion of the polycaprolactone compound, due to insufficient raw materials, there will be residues of the last polycaprolactone compound at the discharge hole part when the extrusion process is about to end, and the discharge hole will be blocked after cooling. The extrusion die of the prior art is relatively complex to disassemble, and it is difficult to clean the polycaprolactone compound out of the discharge hole before cooling. In addition, the hole diameter of the discharge hole of the prior art is uniform and cannot be switched, which cannot meet the size change of subsequent granulation.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] To solve the technical problems of the above-mentioned extrusion die disassembly and the uniform hole diameter of the discharge hole, the basic idea of the technical scheme adopted by the utility model is: a polycaprolactone compound extruder, comprising a base, the base is arranged above the ground;

[0007] The disassembly structure is arranged above the base, and the disassembly structure comprises a first gear, a second gear, an extrusion groove, a sliding groove, a clamping block and a clamping piece. An extrusion groove is formed in the middle of one side of the first gear. A plurality of sliding grooves are formed on one side of the first gear around the extrusion groove. The second gear is engaged with the first gear. One clamping piece is arranged on one side of each sliding groove. One end of each clamping piece is fixedly connected to one end of one clamping block.

[0008] The mold switching structure is arranged on one side of the first gear, and comprises an extrusion mold, large holes, a shielding plate and small holes.

[0009] As a preferred embodiment of the utility model, the dismounting structure further comprises a fixing plate, a limiting rod and a sliding rod, one end of each sliding rod is fixedly connected to one side of each clamping piece close to the sliding groove, each sliding rod is slidingly connected to the corresponding sliding groove, each clamping piece is slidingly connected to one limiting rod, and one side of each limiting rod is fixedly connected to one side of the fixing plate.

[0010] As a preferred embodiment of the utility model, the dismounting structure further comprises a first clamping groove, a first clamping groove is arranged on one side of the first gear between the sliding groove and the extrusion groove, one side of the first gear and one side of the second gear are rotatably connected to one side of the fixing plate, and an extrusion groove is arranged on one side of the fixing plate and corresponds to the extrusion groove on one side of the first gear.

[0011] As a preferred embodiment of the utility model, the dismounting structure further comprises a third servo motor and a connecting strip, the third servo motor is fixedly arranged on one side of the fixing plate away from the second gear through a support, an output shaft of the third servo motor is fixedly connected to one side of the second gear, and one side of the fixing plate is fixedly connected to one end of a plurality of connecting strips.

[0012] As a preferred embodiment of the utility model, the mold switching structure further comprises a second clamping block, one side of the extrusion mold away from the shielding plate is fixedly connected to one side of the second clamping block, the second clamping block is rotatably connected to the first clamping groove, and the shielding plate is in the shape of a fan blade, and the number of each fan blade is equal to the number of groups of the large holes and the small holes.

[0013] As a preferred embodiment of the utility model, the top surface of the base is fixedly provided with two supporting seats, the top surfaces of the two supporting seats are fixedly provided with a shell, the top surface of the shell is fixedly provided with a feeding hopper and communicates with the feeding hopper, the inside of the shell is provided with an extrusion screw, one side of the feeding hopper is fixedly provided with a first servo motor, the extrusion screw is rotatably arranged in the shell, one end of the extrusion screw penetrates through the shell and is connected to an output shaft of the first servo motor, and the other end of each connecting strip is fixedly connected to one side of the shell.

[0014] As a preferred embodiment of the utility model, the dismounting structure further comprises a support, a second servo motor and a stirrer, one side of the feeding hopper is fixedly connected to one end of the support, the second servo motor is fixedly arranged on the top surface of the support, and an output shaft of the second servo motor is fixedly connected to one end of the stirrer.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Each clamping piece drives the clamping block to realize opening and closing, all clamping blocks can be clamped on one side of the extrusion die, the clamping piece drives the clamping block to realize opening and closing quickly, the extrusion die can be quickly disassembled, and the disassembly and cleaning can be carried out when the polycaprolactone compound is not dry in the later stage of the extrusion process, thereby preventing the polycaprolactone compound from being difficult to clean after cooling.

[0017] 2. The second clamping block is clamped in the first clamping groove and can rotate in the first clamping groove, so that the raw material cannot leak through the gap, and according to the required later granulation size, the baffle is rotated, the baffle can block all small holes or all large holes, so that the polycaprolactone compound can only be extruded through one kind of hole diameter, and different granulation sizes in the subsequent process are met.

[0018] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In the drawings:

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the disassembly structure schematic diagram of the utility model;

[0022] Figure 3 It is the disassembly structure partial schematic diagram of the utility model;

[0023] Figure 4 It is the clamping piece schematic diagram of the utility model;

[0024] Figure 5 It is the die switching structure schematic diagram of the utility model;

[0025] Figure 6 It is the upper side schematic diagram of the disassembly structure of the utility model.

[0026] In the drawing: 1, shell;2, feeding hopper;3, support seat;5, first servo motor;6, base;7, support;8, second servo motor;9, connecting strip;10, fixed plate;11, limit rod;12, clamping piece;13, first gear;14, second gear;15, extrusion groove;16, sliding groove;17, first clamping groove;18, third servo motor;19, clamping block;20, sliding rod;21, extrusion die;22, large hole;23, baffle;24, small hole;25, second clamping block;26, stirrer. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0028] Poly caprolactone composite extruder, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 The base 6 is arranged above the ground, the dismounting structure is arranged above the base 6, the dismounting structure comprises a first gear 13, a second gear 14, an extrusion slot 15, a sliding slot 16, a clamping block 19 and a clamping piece 12, one extrusion slot 15 is formed in the middle of one side of the first gear 13, a plurality of sliding slots 16 are formed in one side of the first gear 13 and around the extrusion slot 15, the second gear 14 is engaged with the first gear 13, one clamping piece 12 is arranged on one side of each sliding slot 16, one end side of each clamping piece 12 is fixedly connected with one end of one clamping block 19, the dismounting structure further comprises a fixed plate 10, a limiting rod 11 and a sliding rod 20, one end of one sliding rod 20 is fixedly connected with one side of each clamping piece 12 close to the sliding slot 16, each sliding rod 20 is slidably connected with the corresponding sliding slot 16, each clamping piece 12 is slidably connected with one limiting rod 11, one side of each limiting rod 11 is fixedly connected with one side of the fixed plate 10, the dismounting structure further comprises a first clamping groove 17, one first clamping groove 17 is formed in one side of the first gear 13 and between the sliding slot 16 and the extrusion slot 15, one side of the first gear 13 and the second gear 14 is rotatably connected with one side of the fixed plate 10, one extrusion slot 15 is formed in one side of the fixed plate 10 and corresponds to the position of the extrusion slot 15 in one side of the first gear 13

[0029] The dismounting structure further comprises a third servo motor 18 and a connecting strip 9, the third servo motor 18 is fixedly arranged on one side of the fixed plate 10 away from the second gear 14 through a support, the output shaft of the third servo motor 18 is fixedly connected with one side of the second gear 14, one side of the fixed plate 10 is fixedly connected with one end of a plurality of connecting strips 9, the top surface of the base 6 is fixedly provided with two support seats 3, the top surface of the two support seats 3 is fixedly provided with an outer shell 1, the top surface of the outer shell 1 is fixedly provided with a feeding hopper 2 and is in communication with the feeding hopper 2, the inside of the outer shell 1 is provided with an extrusion screw, one side of the feeding hopper 2 is fixedly provided with a first servo motor 5, the extrusion screw is rotatably arranged in the outer shell 1, one end of the extrusion screw penetrates through the outer shell 1 and is connected with the output shaft of the first servo motor 5, the other end of each connecting strip 9 is fixedly connected with one side of the outer shell 1, the dismounting structure further comprises a support 7, a second servo motor 8 and a stirrer 26, one end of the support 7 is fixedly connected with one side of the feeding hopper 2, the second servo motor 8 is fixedly arranged on the top surface of the support 7, the output shaft of the second servo motor 8 is fixedly connected with one end of the stirrer 26.

[0030] The polycaprolactone composite material is poured into the feeding hopper 2, the power of the first servo motor 5 is turned on, the first servo motor 5 drives the extrusion screw to rotate, and the material in the shell 1 is extruded, the second servo motor 8 is turned on, the second servo motor 8 drives the stirrer 26 to stir, after the extrusion is finished, the power of the third servo motor 18 is turned on, the third servo motor 18 is a reversible servo motor, the third servo motor 18 drives the second gear 14 to rotate, the second gear 14 drives the first gear 13 to rotate, each sliding rod 20 slides in the corresponding sliding groove 16, and each clamping piece 12 drives the clamping block 19 to realize opening and closing, all the clamping blocks 19 can be clamped on one side of the extrusion die 21, the clamping piece 12 drives the clamping block 19 to quickly realize opening and closing, and the extrusion die 21 can be quickly disassembled. In the later stage of the extrusion process, the polycaprolactone composite material can be disassembled and cleaned when it is not dry, so that the polycaprolactone composite material is prevented from being difficult to clean after cooling.

[0031] The polycaprolactone composite material extruder, as shown in Figure 1 and Figure 5 The mold switching structure is provided on one side of the first gear 13, and the mold switching structure comprises the extrusion die 21, the large hole 22, the shielding plate 23 and the small hole 24. A plurality of groups of small holes 24 and a plurality of groups of large holes 22 are formed on one side of the extrusion die 21, each group of extrusion dies 21 and each group of small holes 24 are distributed alternately, each group of large holes 22 and each group of small holes 24 are annularly distributed, the middle part of the shielding plate 23 is rotatably connected to the middle part of one side of the extrusion die 21, and a damper is arranged on the connecting part. The mold switching structure further comprises a second clamping block 25, one side of the extrusion die 21 away from the shielding plate 23 is fixedly connected to one side of the second clamping block 25, the second clamping block 25 is rotatably connected to the first clamping groove 17, the shielding plate 23 is in the shape of a fan blade, and the number of each fan blade is equal to the number of groups of large holes 22 and small holes 24.

[0032] The utility model discloses a working principle: the polycaprolactone composite material is poured into the feeding hopper 2, opens the first servo motor 5 power, and the first servo motor 5 drives extrusion screw rotation, and the raw material in the shell 1 is extruded, opens the second servo motor 8, and the second servo motor 8 drives agitator 26 stirring, after extruding, opens the power of third servo motor 18, and the third servo motor 18 is positive and negative rotation servo motor, and the third servo motor 18 drives the rotation of second gear 14, and the first gear 13 is driven to rotate by second gear 14, and each sliding rod 20 slides in the corresponding slide 16, and each clamping piece 12 drives the clamping block 19 to realize opening and closing, and all clamping blocks 19 can be clamped in one side of extrusion mould 21, and the clamping piece 12 drives the clamping block 19 to realize opening and closing quickly, and the extrusion mould 21 can be quickly disassembled, and can be disassembled and cleaned when polycaprolactone compound is not dry in the later extrusion program, prevent polycaprolactone compound from being difficult to clean after cooling, and the second clamping block 25 is clamped in the first clamping groove 17, and can rotate in the first clamping groove 17, and the raw material will not have gap leakage, according to the later granulation size of demand, the baffle 23 is rotated, and the baffle 23 can block all small holes 24 or all big holes 22, so that polycaprolactone compound can only be extruded through one kind of aperture, and the subsequent different granulation size diameter is satisfied.

[0033] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A polycaprolactone complex extruder, characterized in that, include Base (6), base (6) is set above the ground; The disassembly structure is located above the base (6). The disassembly structure includes a first gear (13), a second gear (14), an extrusion groove (15), a sliding groove (16), a clamping block (19), and a clamping member (12). An extrusion groove (15) is opened in the middle of one side of the first gear (13). Several sliding grooves (16) are opened on one side of the first gear (13) and around the extrusion groove (15). The second gear (14) meshes with the first gear (13). A clamping member (12) is provided on one side of each sliding groove (16). One end of each clamping member (12) is fixedly connected to one end of a clamping block (19). The mold switching structure is located on one side of the first gear (13). The mold switching structure includes an extrusion mold (21), a large hole (22), a baffle plate (23), and a small hole (24). Several sets of small holes (24) and several sets of large holes (22) are opened on one side of the extrusion mold (21). Each set of extrusion molds (21) and each set of small holes (24) are staggered. Each set of large holes (22) and each set of small holes (24) are arranged in a ring. The middle part of the baffle plate (23) is rotatably connected to the middle part of one side of the extrusion mold (21), and a damper is provided in the connection part.

2. The polycaprolactone complex extruder according to claim 1, characterized in that, The disassembly structure also includes a fixed plate (10), a limiting rod (11), and a sliding rod (20). Each clamping member (12) is fixedly connected to one end of a sliding rod (20) on the side near the slide groove (16). Each sliding rod (20) is slidably connected to the corresponding slide groove (16). Each clamping member (12) is slidably connected to a limiting rod (11). One side of each limiting rod (11) is fixedly connected to one side of the fixed plate (10).

3. The polycaprolactone complex extruder according to claim 2, characterized in that, The disassembly structure also includes a first snap-fit ​​groove (17), a first snap-fit ​​groove (17) is opened on one side of the first gear (13) and between the slide groove (16) and the extrusion groove (15), one side of the first gear (13) and the second gear (14) are rotatably connected to one side of the fixing plate (10), and one side of the fixing plate (10) is opened with an extrusion groove (15) corresponding to the position of the extrusion groove (15) on one side of the first gear (13).

4. The polycaprolactone complex extruder according to claim 3, characterized in that, The disassembly structure also includes a third servo motor (18) and connecting strips (9). The third servo motor (18) is fixed to the side of the fixing plate (10) away from the second gear (14) by a bracket. The output shaft of the third servo motor (18) is fixedly connected to one side of the second gear (14). One side of the fixing plate (10) is fixedly connected to one end of several connecting strips (9).

5. The polycaprolactone complex extruder according to claim 3, characterized in that, The mold switching structure also includes a second snap-fit ​​block (25). The side of the extrusion mold (21) away from the baffle plate (23) is fixedly connected to the side of the second snap-fit ​​block (25). The second snap-fit ​​block (25) is adapted to and rotatably connected to the first snap-fit ​​groove (17). The baffle plate (23) is fan-shaped, and the number of each fan blade is equal to the number of sets of large holes (22) and small holes (24).

6. The polycaprolactone complex extruder according to claim 1, characterized in that, The top surface of the base (6) is fixed with two support seats (3), the top surface of the two support seats (3) is fixed with a shell (1), the top surface of the shell (1) is fixed with a feeding hopper (2) and connected to the feeding hopper (2), the inside of the shell (1) is provided with an extrusion screw, the side of the feeding hopper (2) is fixed with a first servo motor (5), the extrusion screw is rotatably set inside the shell (1), and one end of the extrusion screw passes through the shell (1) and is connected to the output shaft of the first servo motor (5), and the other end of each connecting strip (9) is fixedly connected to one side of the shell (1).

7. The polycaprolactone complex extruder according to claim 6, characterized in that, The disassembly structure also includes a bracket (7), a second servo motor (8), and a stirrer (26). One side of the feeding hopper (2) is fixedly connected to one end of the bracket (7). The second servo motor (8) is fixedly mounted on the top surface of the bracket (7). The output shaft of the second servo motor (8) is fixedly connected to one end of the stirrer (26).

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