CN212470889U

CN212470889U - Grinding device for screw of extruder

Info

Publication number: CN212470889U
Application number: CN202020775653.8U
Authority: CN
Inventors: 龙昌军; 贺延超; 徐周旭; 张彪; 陈杰; 詹秀东
Original assignee: Zhejiang Jingjin Machinery Co ltd
Current assignee: Zhejiang Jingjin Machinery Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-05
Anticipated expiration: 2030-05-12

Abstract

The utility model provides a grinding device of extruder screw rod, includes the workstation, the movable mounting positioning seat on the workstation, processing has the constant head tank that the equidistance distributes on the support of positioning seat, places the screw rod in the constant head tank, the head erection joint spare of screw rod, processing tooth's socket in the periphery of connecting piece, the power hub connection gear of motor, gear and connecting piece intermeshing, guide bar on the workstation passes the clamp plate and connects the roof, the piston rod of roof top cylinder passes roof connection clamp plate, clamp plate bottom installation grinding machanism. The screw rod is placed on the positioning seat, the whole positioning seat is moved into the dust cover, the position is limited below the polishing mechanism, the motor drives the screw rod to rotate through the gear, and the polishing wheel polishes the screw rod. The device drives the screw rod that is equipped with the connecting piece through the gear and rotates, relies on the tooth's socket meshing transmission of connecting piece between the screw rod, and the wheel of polishing of cooperation back-and-forth movement can be polished in step to a plurality of screw rods to practice thrift the time cost, improved the efficiency of polishing greatly.

Description

Grinding device for screw of extruder

Technical Field

The utility model relates to a grinding device of extruder screw rod.

Background

The plastic extruder belongs to one of the plastic machinery, the main machine of the plastic extruder is an extruder which consists of an extrusion system, a transmission system and a heating and cooling system, the extrusion system comprises a screw, a machine barrel, a hopper, a machine head and a mold, and the plastic is plasticized into uniform melt by the extrusion system and is continuously extruded by the screw under the pressure established in the process. The screw rod of extruder need polish the repairment to its surface after processing is accomplished, and at present, the enterprise often adopts artifical or traditional machine screw rod of polishing, and artifical precision of polishing is low, and is injured easily, and traditional machine can only polish single screw rod in proper order, and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a grinding device of extruder screw rod.

In order to achieve the purpose, the utility model provides a polishing device for a screw rod of an extruder, which comprises a workbench, the worktable is movably provided with a positioning seat, the positioning seat is symmetrically provided with a bracket in front and back, the bracket is provided with positioning grooves which are distributed at equal intervals, a screw rod is placed in the positioning groove, a connecting piece is arranged at the head part of the screw rod, tooth grooves are processed on the periphery of the connecting piece, two adjacent connecting pieces are mutually meshed, a motor is arranged at the left rear part of the positioning seat, a gear is arranged at the free end of a power shaft of the motor, the gear is meshed with the first connecting piece arranged at the left, the front and the back of the worktable are symmetrically provided with guide rods which pass through the pressure plate and are fixed with the bottom of the top plate, the top of the top plate is provided with an air cylinder, a piston rod of the air cylinder penetrates through the top plate to be connected with the pressing plate, and the bottom of the pressing plate is provided with a polishing mechanism.

As a further improvement, the positioning seat passes through slide rail mechanism with the workstation is connected, the positioning seat can be followed the workstation is removed the removal.

As the utility model discloses further improve, connecting piece center axial processing through-hole, the through-hole internal diameter with the head external diameter of screw rod matches, the connecting piece lower part radially processes the internal thread hole, install holding screw in the internal thread hole.

As the utility model discloses further improve, grinding machanism includes the mount, mount upper portion with clamp plate sliding connection, grinding machanism can follow the clamp plate back-and-forth movement, mount bottom installation wheel of polishing, the wheel of polishing with the constant head tank is corresponding.

As a further improvement, the workbench is provided with a dust cover, and the dust cover is used for covering the top plate.

As a further improvement, the lower left part of the dust cover is provided with a notch, and the notch can supply the positioning seat to pass in and out the dust cover.

The utility model has the advantages that:

the device drives the screw rod that is equipped with the connecting piece through the gear and rotates, the tooth's socket meshing transmission that relies on the connecting piece between the screw rod, but the cooperation wheel of polishing of back-and-forth movement, can polish in step a plurality of screw rods, compare with the artifical mode of polishing of tradition, not only obviously improved the precision of polishing, practiced thrift the time of polishing moreover, obviously improved the efficiency of polishing, it is nimble to use, compare with traditional external mode of polishing, the raise dust can be avoided to the dust cover of setting, can reduce the noise of polishing simultaneously.

Drawings

FIG. 1 is a front view of a polishing device for a screw of an extruder according to the present invention;

FIG. 2 is a top view of the polishing device for the screw of the extruder of the present invention;

FIG. 3 is a side view of the polishing device for the screw of the extruder of the present invention;

FIG. 4 is a schematic view of the polishing device for the screw of the extruder according to the present invention;

fig. 5 is a schematic view of the structure of the component 12.

In the figure: 1. a work table; 2. a slide rail mechanism; 3. positioning seats; 31. a support; 32. positioning a groove; 4. a screw; 5. grinding the wheel; 6. a fixed mount; 7. a polishing mechanism; 8. pressing a plate; 9. a top plate; 10. a cylinder; 11. a dust cover; 111. a notch; 12. a connecting member; 121. a tooth socket; 122. a through hole; 123. an internally threaded bore; 124. tightening the screw; 13. a gear; 14. a motor; 141. a power shaft; 15. a guide rod.

Detailed Description

As shown in fig. 1, the polishing device for the screw rod of the extruder according to the present invention comprises a workbench 1, a positioning seat 3 is movably mounted on the workbench 1, the positioning seat 3 is connected with the workbench 1 through a slide rail mechanism 2, the positioning seat 3 can move left and right along the workbench 1, a bracket 31 is symmetrically mounted on the positioning seat 3 front and back, positioning grooves 32 are processed on the bracket 31 and are distributed equidistantly, the screw rod 4 is placed in the positioning groove 32, a connecting member 12 is mounted on the head of the screw rod 4, a tooth space 121 is processed on the periphery of the connecting member 12, two adjacent connecting members 12 are engaged with each other (see fig. 2), a through hole 122 is processed in the central axial direction of the connecting member 12, the inner diameter of the through hole 122 is matched with the outer diameter of the head of the screw rod 4, an internal threaded hole 123 is radially processed on the lower portion of the connecting member 12, a set screw 124 (see fig., gear 13 and the first connecting piece 12 intermeshing of a left side play, preceding back symmetry installation guide bar 15 on workstation 1, guide bar 15 passes clamp plate 8 and is fixed with roof 9 bottom, roof 9 top installation cylinder 10, the piston rod of cylinder 10 passes roof 9 and connects

clamp plate

8, 8 bottom installation grinding machanism 7 of clamp plate (see fig. 3), grinding machanism 7 includes

mount

6, 6 upper portion and 8 sliding connection of clamp plate of mount, grinding machanism 7 can be followed 8 back-and-forth movements of clamp plate, 6 bottom installations grinding wheel 5 of mount, grinding wheel 5 corresponds with constant head tank 32, install dust cover 11 on the workstation 1, dust cover 11 covers roof 9 including, the lower part in the left side of dust cover 11 is equipped with breach 111, breach 111 can supply positioning seat 3 to advance out dust cover 11.

When the utility model is used specifically, for the convenience of understanding the utility model discloses, describe with the attached drawing:

before the positioning seat works, the positioning seat is positioned on the left side of the dust cover, a connecting piece is sleeved on the head of the screw rod, the head of the screw rod extends into a through hole of the connecting piece and is locked by a set screw, then the screw rod is sequentially placed in a positioning groove of a support on the positioning seat, the connecting pieces on the head of the screw rod are mutually meshed through tooth grooves, and the connecting piece positioned on the leftmost side is mutually meshed with a gear on a power shaft of a motor; then whole positioning seat passes in the breach of dust cover left lower part removes to the dust cover along slide rail mechanism, carry on spacingly to the positioning seat when removing under grinding machanism, the screw rod is corresponding with the wheel of polishing, the power shaft of motor passes through the gear and drives the screw rod rotation, then promote the clamp plate by the piston rod of cylinder and move down until grinding wheel and screw rod contact along the guide bar, polish through the wheel screw rod of polishing, grinding machanism carries out the back-and-forth movement in the clamp plate bottom when polishing, polish in the dust cover and can avoid the raise dust, can reduce the noise of polishing simultaneously.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a grinding device of extruder screw rod which characterized in that: including workstation (1), movable mounting positioning seat (3) are gone up in workstation (1), support (31) are installed to the symmetry around on positioning seat (3), processing constant head tank (32) that the equidistance distributes on support (31), place screw rod (4) in constant head tank (32), head erection joint spare (12) of screw rod (4), processing tooth's socket (121) in the periphery of connecting piece (12), adjacent two intermeshing between connecting piece (12), positioning seat (3) left rear portion installation motor (14), power shaft (141) free end installation gear (13) of motor (14), gear (13) and left play first connecting piece (12) intermeshing, symmetry installation guide bar (15) around on workstation (1), guide bar (15) pass clamp plate (8) and fixed bottom roof (9), the grinding device is characterized in that an air cylinder (10) is installed at the top of the top plate (9), a piston rod of the air cylinder (10) penetrates through the top plate (9) to be connected with the pressing plate (8), and a grinding mechanism (7) is installed at the bottom of the pressing plate (8).

2. The grinding device for the screw of the extruder according to claim 1, wherein: the positioning seat (3) is connected with the workbench (1) through a sliding rail mechanism (2), and the positioning seat (3) can move left and right along the workbench (1).

3. The grinding device for the screw of the extruder according to claim 1, wherein: the screw rod is characterized in that a through hole (122) is axially machined in the center of the connecting piece (12), the inner diameter of the through hole (122) is matched with the outer diameter of the head of the screw rod (4), an internal threaded hole (123) is radially machined in the lower portion of the connecting piece (12), and a set screw (124) is installed in the internal threaded hole (123).

4. The grinding device for the screw of the extruder according to claim 1, wherein: the polishing mechanism (7) comprises a fixing frame (6), the upper portion of the fixing frame (6) is in sliding connection with the pressing plate (8), the polishing mechanism (7) can move back and forth along the pressing plate (8), a polishing wheel (5) is installed at the bottom of the fixing frame (6), and the polishing wheel (5) corresponds to the positioning groove (32).

5. The grinding device for the screw of the extruder according to claim 1, wherein: and a dust cover (11) is arranged on the workbench (1), and the top plate (9) is covered by the dust cover (11).

6. A grinding device for an extruder screw according to claim 5, characterized in that: and a notch (111) is formed in the lower left part of the dust cover (11), and the notch (111) can be used for the positioning seat (3) to enter and exit the dust cover (11).