Material cutting device for plastic extruding machine

Abstract

The utility model belongs to the technical field of plastic extruding machines, and particularly discloses a material cutting device for a plastic extruding machine, which comprises a plastic extruding machine main body and an outer frame, the outer frame is sleeved outside the plastic extruding machine main body, transverse grooves are respectively arranged in the front of the inner parts of the top end and the bottom end of the outer frame, and inner side pistons in the transverse grooves are connected with large chain wheels. A threaded groove is formed in the center of the interior of the large chain wheel, and a lead screw is vertically assembled in the threaded groove. According to the material cutting device for the plastic extruding machine, a clamping plate is fixed to the end of a lead screw, an outer frame is connected to the exterior of a plastic extruding machine body in a sleeving mode, a linkage rod is rotated at the front end, the linkage rod is forced to rotate two sets of small chain wheels at the same time, under the linkage effect of a chain belt, a large chain wheel on the inner side is horizontally shifted and rotated, and a limiting rod connected with the lead screw is embedded in a hollow block; and the screw rod and the clamping plate can be vertically lifted along the thread groove in the large chain wheel to clamp the plastic extruding machine main body, so that the problem of inconvenience in disassembly and assembly is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic extruding machine technical field, concretely is a material cutting device for plastic extruding machine. BACKGROUND

[0002] The plastic extruding machine is a common device in the plastic production and processing process, which is internally provided with hot-melt plastic. At this time, the material has already possessed the flow ability, and under the transmission of the screw conveyor, the material can be horizontally pushed to approach the slot of the extrusion die. After the plastic liquid is extruded, it is cut off or cooled.

[0003] In order to maintain the uniform size of the granulation particles, a material cutting device is usually installed at the plastic extruding machine to cut the extruded plastic strip. However, most of such devices are directly installed outside the plastic extruding machine and cannot be easily disassembled and repaired. Once damaged, they need to be cut off and removed, and then reinstalled, which is time-consuming.

[0004] Now, a new material cutting device for a plastic extruding machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a material cutting device for a plastic extruding machine to solve the problem of inconvenient disassembly and installation in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a material cutting device for a plastic extruding machine, comprising a plastic extruding machine body and an outer frame, the outer frame is sleeved on the outside of the plastic extruding machine body, and the front of the inside of the top end and the bottom end of the outer frame is respectively provided with a horizontal groove, a large chain wheel is connected to the inside of the lateral side of the horizontal groove, a threaded groove is provided at the inside center of the large chain wheel, a lead screw is vertically assembled in the threaded groove, a clamping plate is fixed to the end of the lead screw, a limiting rod is fixed to the rear of the lead screw, hollow blocks are respectively welded to the top end and the bottom end of the rear of the surface of the outer frame, a small chain wheel is movably connected to the front end of the inside of the horizontal groove, and a chain belt is horizontally sleeved between the small chain wheel and the large chain wheel, a vertical groove is longitudinally arranged in the inside of the front end of the outer frame, and a linkage rod is movably connected between the upper and lower parts of the inside of the vertical groove.

[0007] As a further technical scheme of the utility model, the small chain wheel is fixedly sleeved on the outside of the linkage rod, and the rotation directions of the linkage rod and the small chain wheel are the same.

[0008] As a further technical scheme of the utility model, the large chain wheel and the small chain wheel are in the same horizontal plane, and the lead screw is embedded in the threaded groove.

[0009] As a further technical scheme of the utility model, the limiting rod is embedded in the hollow block, and the limiting rod vertically rises and falls synchronously with the lead screw.

[0010] As a further technical scheme of the utility model, the top end and the bottom end of the rear part of the outer frame are respectively provided with a slot, and a horizontal rod is movably inserted into the slot, a sleeve block is fixed to the right side of the slot, and a positioning bolt is threadedly connected to the surface of the sleeve block, a horizontal rod is movably inserted into the sleeve block, and a screw hole is formed in the inner part of the horizontal rod, a supporting plate is fixed to the right side of the horizontal rod, and a support is mounted to the top end of the supporting plate, a cutter is movably connected between the two sides of the inner part of the support, a motor is mounted to the left side of the outer part of the support, and a mold is mounted to the right side of the main body of the plastic extruding machine.

[0011] As a further technical scheme of the utility model, the output end right side of the motor is fixedly connected with the cutter, and the cutter sweeps the surface right side of the mold forward and backward.

[0012] As a further technical scheme of the utility model, the horizontal rod moves leftward and rightward along the sleeve block and the slot, and the positioning bolt is embedded between the sleeve block and the screw hole.

[0013] As a further technical scheme of the utility model, a connecting rod is mounted to the right rear part of the surface of the outer frame, a cavity is formed in the right side of the inner part of the connecting rod, a rotating rod is movably connected to the inner side of the cavity, a hole is formed in the surface of the rotating rod, a limiting block is fixed to the bottom of the rotating rod, and a fastening bolt is threadedly connected to the right side of the surface of the connecting rod.

[0014] Compared with the prior art, the utility model has the advantages that the material cutting device for the plastic extruding machine can be quickly disassembled and installed, the cutting position can be adjusted, and the cutter can be limited.

[0015] (1) The clamping plate is fixed to the end of the screw rod, the outer frame is sleeved to the outer part of the main body of the plastic extruding machine, the front end rotating linkage rod is rotated, the linkage rod is forced to rotate the two groups of small chain wheels, the large chain wheel on the inner side is horizontally rotated under the linkage action of the chain belt, the limiting rod connected with the screw rod is embedded in the hollow block, the screw rod and the clamping plate can be vertically lifted along the screw groove in the large chain wheel, and the clamping plate is clamped and fixed above and below the surface of the main body of the plastic extruding machine, so that the stability of the material cutting device is maintained.

[0016] (2) The cutter is movably connected between the two sides of the inner part of the support, the horizontal rod is moved leftward and rightward along the slot at the rear part of the outer frame, the positioning bolt is screwed into the screw hole and the sleeve block after alignment, the supporting plates connected with the two horizontal rods are located below the mold, the cutter in the support is rotated after the motor is started, and the cutting treatment is performed along the right side of the slot of the mold, so that the material is quickly cut, and the cutting position can be adjusted in cooperation with the outer frame.

[0017] (3) by fixing the limit block in the bottom of the rotating rod, after cutting, the rotating rod can be assembled in the cavity on the right side of the connecting rod, forcing the limit block fixed on the outside of the rotating rod to rotate, at this time, the limit block blocks the front end of the cutter, although the motor has self-locking function, it is still necessary to avoid the cutter from falling when it is paused, and the rotating fastening bolt is limited in the hole in the top to limit the rotating rod from continuing to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view sectional structure schematic diagram of the utility model;

[0019] Figure 2 It is a front view sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is a front view structure schematic diagram of the utility model;

[0021] Figure 4 It is a front view sectional structure schematic diagram of the utility model.

[0022] In the figure: 1, the main body of the extruder; 2, the clamping plate; 3, the cross bar; 4, the outer frame; 5, the screw rod; 6, the cross groove; 7, the sleeve block; 8, the motor; 9, the support plate; 10, the support; 11, the cutter; 12, the mold; 13, the limit block; 14, the rotating rod; 15, the connecting rod; 16, the limit rod; 17, the hollow block; 18, the slot; 19, the small chain wheel; 20, the vertical groove; 21, the linkage rod; 22, the threaded groove; 23, the chain belt; 24, the large chain wheel; 25, the positioning bolt; 26, the screw hole; 27, the fastening bolt; 28, the cavity; 29, the hole. DETAILED DESCRIPTION

[0023] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides an embodiment: a material cutting device for extruding machine, including extruding machine main body 1 and outer frame 4, the outside of extruding machine main body 1 is sleeved with outer frame 4, and the top end and the bottom end inside of outer frame 4 are provided with horizontal groove 6 respectively in front, the inside of horizontal groove 6 is connected with big sprocket 24 in the inside of the piston, and the inside center of big sprocket 24 is provided with screw groove 22, and the vertical assembly of screw groove 22 has screw rod 5, and the end of screw rod 5 is fixed with clamping plate 2, the rear of screw rod 5 is fixed with limiting rod 16, and the top end and the bottom end of the rear of outer frame 4 surface are welded with hollow block 17 respectively, the front end movable connection of horizontal groove 6 inside has small sprocket 19, and small sprocket 19 and big sprocket 24 are horizontally sleeved with chain belt 23 between, the inside of the front end of outer frame 4 is provided with vertical slot 20, and the movable connection of vertical slot 20 inside is between upper and lower,

[0025] Small sprocket 19 is fixedly sleeved on the outside of linkage rod 21, linkage rod 21 and small sprocket 19 are in the same direction of rotation, big sprocket 24 and small sprocket 19 are in the same horizontal plane, screw rod 5 is embedded in screw groove 22, limiting rod 16 is embedded in hollow block 17, and limiting rod 16 vertically lifts synchronously with screw rod 5.

[0026] Specifically, as shown in Figure 1 And Figure 2 The outer frame 4 is sleeved on the outside of the extruding machine main body 1, the linkage rod 21 is rotated at the front end, the linkage rod 21 is forced to rotate the two small sprockets 19 simultaneously, under the linkage action of the chain belt 23, the big sprocket 24 on the inside is horizontally turned, because the limiting rod 16 connected with the screw rod 5 is embedded in the hollow block 17, the screw rod 5 and the clamping plate 2 can be vertically lifted along the screw groove 22 inside the big sprocket 24, until the clamping plate 2 is clamped and fixed on the surface of the extruding machine main body 1.

[0027] The top end and the bottom end of the rear of the inside of the outer frame 4 are provided with insertion slot 18 respectively, and the horizontal rod 3 is movably inserted into the insertion slot 18, the right side of the insertion slot 18 is fixed with the sleeve block 7, and the surface of the sleeve block 7 is threadedly connected with the positioning bolt 25, the horizontal rod 3 is horizontally inserted into the sleeve block 7, and the inside of the horizontal rod 3 is provided with the screw hole 26, the right side of the horizontal rod 3 is fixed with the support plate 9, and the top end of the support plate 9 is installed with the support 10, the cutter 11 is movably connected between the two sides of the inside of the support 10, the left side of the outside of the support 10 is installed with the motor 8, and the right side of the extruding machine main body 1 is installed with the mold 12.

[0028] The output right side of the motor 8 is fixedly connected with the cutter 11, the cutter 11 sweeps forward and backward on the surface right side of the mold 12, the horizontal rod 3 moves left and right along the sleeve block 7 and the insertion slot 18, the positioning bolt 25 is embedded between the sleeve block 7 and the screw hole 26

[0029] Specifically, as shown in Figure 1 And Figure 3As shown, along the rear of the outer frame 4 slot 18 left and right horizontal movement of the crossbar 3, aligning the screw hole 26 and sleeve block 7 after the rotation into the positioning bolt 25 reinforcement, at this time the two crossbar 3 connected to the support plate 9 is located below the mold 12, can start the motor 8 after rotating the cutter 11 in the support 10, along the right side of the mold 12 slot cutting process, cutting position can also be adjusted.

[0030] The right rear of the outer frame 4 surface is provided with a connecting rod 15, and the right side of the connecting rod 15 is provided with a cavity 28, the inner side of the cavity 28 is movably connected with a rotating rod 14, and the surface of the rotating rod 14 is provided with a hole 29, the bottom of the rotating rod 14 is fixedly connected with a limiting block 13, and the right side of the surface of the connecting rod 15 is screw-connected with a fastening bolt 27.

[0031] Specifically, as shown in Figure 1 and Figure 4 shown, after cutting, the rotating rod 14 rotatably assembled in the cavity 28 on the right side of the connecting rod 15, forcing the limiting block 13 fixed outside the rotating rod 14 to rotate, at this time the limiting block 13 blocks the front end of the cutter 11, although the motor 8 carries a self-locking function, still need to avoid the cutter 11 falling when the work is suspended, rely on the way of tightening, loosening the fastening bolt 27 to limit the rotation of the rotating rod 14.

[0032] Working principle: the utility model discloses in use, first, the outer frame 4 is sleeved on the outside of the extruder main body 1, rotates the linkage rod 21 at the front end, forces the linkage rod 21 to rotate two groups of small chain wheels 19 simultaneously, under the linkage action of chain belt 23, horizontally turns the inside big chain wheel 24, because the limiting rod 16 connected with the screw rod 5 is embedded in the hollow block 17, can vertically lift the screw rod 5 and the clamping plate 2 along the screw groove 22 inside the big chain wheel 24, until the clamping plate 2 is clamped and fixed above and below the surface of the extruder main body 1, then along the rear of the outer frame 4 slot 18 left and right horizontal movement of the crossbar 3, aligning the screw hole 26 and sleeve block 7 after the rotation into the positioning bolt 25 reinforcement, at this time the two crossbar 3 connected to the support plate 9 is located below the mold 12, can start the motor 8 after rotating the cutter 11 in the support 10, along the right side of the mold 12 slot cutting process, cutting position can also be adjusted.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A material breaking device for an extrusion machine, comprising an extrusion machine body (1) and an outer frame (4), characterized in that: The outer sleeve of the extruder body (1) is sleeved with an outer frame (4), and the front of the inner top and bottom of the outer frame (4) is provided with a horizontal groove (6), respectively. The inside of the horizontal groove (6) is connected with a large chain wheel (24) on the inside, and the inside of the large chain wheel (24) is provided with a threaded groove (22) at the center. A lead screw (5) is vertically assembled in the threaded groove (22), and the end of the lead screw (5) is fixed with a clamping plate (2). The rear of the lead screw (5) is fixed with a limiting rod (16). The top and bottom of the rear surface of the outer frame (4) are respectively welded with a hollow block (17). The front end of the horizontal groove (6) is movably connected with a small chain wheel (19), and a chain belt (23) is horizontally sleeved between the small chain wheel (19) and the large chain wheel (24). The front end of the outer frame (4) is longitudinally provided with a vertical groove (20) in the inside, and the vertical groove (20) is movably connected with a linkage rod (21) between the upper and lower inside.

2. A material breaking device for an extrusion machine according to claim 1, characterized in that: The small chain wheel (19) is fixedly sleeved on the outside of the linkage rod (21), and the linkage rod (21) has the same rotating direction as the small chain wheel (19).

3. A material breaking device for an extrusion machine according to claim 1, characterized in that: The large chain wheel (24) and the small chain wheel (19) are in the same horizontal plane, and the lead screw (5) is embedded in the threaded groove (22).

4. A material breaking device for an extrusion machine according to claim 1, characterized in that: The limiting rod (16) is embedded in the hollow block (17), and the limiting rod (16) vertically rises and falls synchronously with the lead screw (5).

5. A material breaking device for an extrusion machine according to claim 1, characterized in that: The top and bottom of the rear inside of the outer frame (4) are respectively provided with a slot (18), and the slot (18) movably inserts a horizontal rod (3). The right side of the slot (18) is fixed with a sleeve block (7), and the surface of the sleeve block (7) is threadedly connected with a positioning bolt (25). The sleeve block (7) horizontally inserts a horizontal rod (3), and the inside of the horizontal rod (3) is provided with a threaded hole (26). The right side of the horizontal rod (3) is fixed with a supporting plate (9), and the top of the supporting plate (9) is installed with a bracket (10). The inside of the bracket (10) is movably connected with a cutter (11) between the two sides. The outside of the bracket (10) is installed with a motor (8), and the right side of the extruder body (1) is installed with a mold (12).

6. A material breaking device for an extrusion machine according to claim 5, characterized in that: The output right side of the motor (8) is fixedly connected with the cutter (11), and the cutter (11) sweeps forward and backward on the surface right side of the mold (12).

7. A material breaking device for an extrusion machine according to claim 5, characterized in that: The horizontal rod (3) moves left and right along the sleeve block (7) and the slot (18), and the positioning bolt (25) is embedded between the sleeve block (7) and the threaded hole (26).

8. A material breaking device for an extrusion machine according to claim 1, characterized in that: The right rear surface of the outer frame (4) is installed with a connecting rod (15), and the right side of the inside of the connecting rod (15) is provided with a cavity (28). The inside of the cavity (28) is movably connected with a rotating rod (14), and the surface of the rotating rod (14) is provided with a hole (29). The bottom of the rotating rod (14) is fixed with a limiting block (13). The right side of the surface of the connecting rod (15) is threadedly connected with a fastening bolt (27).

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