CN217073310U

CN217073310U - Module assembled extruder screw rod

Info

Publication number: CN217073310U
Application number: CN202122815332.3U
Authority: CN
Inventors: 张桂学
Original assignee: Qingdao Jiabeide Machinery Co ltd
Current assignee: Qingdao Jiabeide Machinery Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-07-29
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to an extruder screw rod technical field, specifically speaking relates to a module assembling type extruder screw rod. It includes the body of rod, the body of rod is including adding the material section, compression section and homogenization section, it all is provided with connects female seat to add material section and compression section one end, the homogenization section all is provided with the connector base with the compression section other end, at least including first stiff end in the connector base, it is annular array at least to be provided with two joint grooves on the lateral wall all around to first inserted link, first inserted link one end is provided with the fixed inserted link of third, at least including the second stiff end in the connector base, second stiff end one side is provided with the inserted bar, at least, include the screw rod in the retaining member, it has the locating lever to connect cap bottom portion through spring coupling, it cuts apart to carry out the modularization with the body of rod according to its function, be provided with the connector base and the connector base that are used for connecting on every section screw rod after cutting apart, through connector base and the cooperation of plugging in connector base, make things convenient for the assembly and the dismantlement of extruder screw rod.

Description

Module assembled extruder screw rod

Technical Field

The utility model relates to an extruder screw rod technical field, specifically speaking relates to a module assembling type extruder screw rod.

Background

The main functions of the screw are to convey the material, to transfer heat to the plasticised material and to mix and homogenize the material. In order to realize the functions of the screw and adapt to the change of the physical state of the materials, the conventional full-thread screw is generally designed into three sections.

The first section is a feeding section, also called a conveying section, and is a section extending forwards from the material feeding port, the screw pitches of general screws are equal, and the screw depths are also equal, namely the screws are equidistant and equal in depth. The second section is a compression section, also known as a migration section. The screws of the section are equidistant and not deep, mainly in order to adapt to the change of material state and the volume of the spiral grains of the section is gradually reduced, the third section is a homogenizing section, also called a metering section, the screws of the section are equidistant and equally deep as the feeding section, but the depth of the spiral groove of the feeding section is shallow.

Because the single screw rod is longer, the difficulty in transportation, transportation and maintenance is higher, and the whole screw rod needs to be replaced after a certain part of the screw rod is damaged, the replacement cost is higher, so the screw rod of the module assembly type extruder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell module assembling extruder screw rod existed, provide a module assembling extruder screw rod.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the utility model provides a module assembling type extruder screw rod, which comprises a rod body, wherein the rod body comprises a feeding section, a compression section and a homogenization section, one end of the feeding section and one end of the compression section are both provided with a connecting mother seat, the other ends of the homogenization section and the compression section are both provided with a connector sub seat, and the other end of the feeding section is provided with a mounting flange base;

the connecting female seat at least comprises a first fixed end, a first inserting rod is arranged at one end of the first fixed end, at least two clamping grooves are arranged on the peripheral side wall of the first inserting rod in an annular array mode, the clamping grooves are in an inverted L-shaped structural design, one end of each clamping groove is in an open structural design, a limiting hole is formed in the bottom of the inner wall of the other end of each clamping groove, and a third fixed inserting rod is arranged at one end of the first inserting rod;

the connector sub-base at least comprises a second fixed end, an inserting and matching rod is arranged on one side of the second fixed end, an inserting and matching groove is formed in the center of the surface of the side wall of the inserting and matching rod, screw holes matched with the clamping and matching groove are formed in the periphery of the inner wall of the inserting and matching groove in an annular array mode and penetrate through the periphery of the inner wall of the inserting and matching groove, locking parts are installed in the screw holes in an internal thread mode, and a limiting inserting groove communicated with the inserting and matching groove is formed in the second fixed end;

at least, including the screw rod in the retaining member, screw rod lower surface center department has seted up the trompil, seted up the spout in the trompil, slidable mounting has the connection cap in the spout, there is the locating lever bottom the connection cap through spring coupling, locating lever top center department is provided with the connecting rod.

As a further improvement of the technical scheme, the third fixed inserting rod is matched with the limiting slot, the outer wall of the third fixed inserting rod is provided with an external thread, the inner wall of the limiting slot is provided with an internal thread, and the female connecting seat is in threaded connection with the limiting slot through the third fixed inserting rod.

As a further improvement of the technical scheme, the first inserting rod is inserted into the inserting groove, the first inserting rod is matched with the inserting groove, and the screw hole is vertically aligned with the clamping groove.

As a further improvement of the technical scheme, the size of the positioning rod is matched with that of the limiting hole, and the locking piece is inserted and installed in the limiting hole through the positioning rod.

As a further improvement of the technical scheme, the spring is nested and installed on the connecting rod, and the length of the connecting rod is smaller than that of the spring in a normal state.

As a further improvement of the technical scheme, the top of the screw rod is provided with a nut, the outer diameter of the nut is larger than that of the screw rod, and the top of the nut is provided with a notch for inserting a screwdriver.

As a further improvement of the technical scheme, a limit groove for installing the nut is formed in the position, close to the opening of the outer side wall, of the screw hole, and the nut is rotatably installed in the limit groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this kind of module assembly formula extruder screw rod, carry out the modularization with the body of rod according to its function and cut apart, be provided with the female seat of connection and the son seat of connection that is used for connecting on every section screw rod after cutting apart, through the cooperation of pegging graft of son seat of connection and the female seat of connection, make things convenient for the assembly and the dismantlement of extruder screw rod.

2. In this kind of modular assembly formula extruder screw rod, connect the sub-seat and pass through retaining member and be connected female seat cooperation installation, retaining member plug-in components are installed in spacing downthehole, will connect the sub-seat joint and install on connecting female seat to through the fixed inserted bar of third and spacing slot screw-thread fit, further improved the stability of connecting the sub-seat and being connected between the female seat installation.

Drawings

Fig. 1 is a schematic view of a rod body structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a rod body splitting structure according to an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the female connection seat and the male connection seat according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a female connection seat according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a locking member according to an embodiment of the present invention.

The various reference numbers in the figures mean:

1. a rod body; 101. a feeding section; 1011. installing a flange base; 102. a compression section; 103. a homogenization section;

2. connecting the female seat;

201. a first fixed end; 202. a first plug-in rod; 2021. a clamping groove; 2022. a limiting hole; 203. a third fixed plug rod;

3. a connector sub-mount;

301. a second fixed end; 302. inserting and matching the rod; 3021. a screw hole; 303. inserting grooves; 3031. limiting slots;

4. a locking member; 401. a screw; 4011. a nut; 402. a chute; 403. a connecting cap; 4031. a spring; 404. a connecting rod; 405. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment is as shown in fig. 1-5, the utility model provides a module assembling type extruder screw, which comprises a rod body 1, wherein the rod body 1 comprises a feeding section 101, a compression section 102 and a homogenization section 103, one end of the feeding section 101 and one end of the compression section 102 are both provided with a connecting female seat 2, the other ends of the homogenization section 103 and the compression section 102 are both provided with a connecting sub-seat 3, and the other end of the feeding section 101 is provided with a mounting flange base 1011;

the female connecting seat 2 at least comprises a first fixed end 201, a first inserting rod 202 is arranged at one end of the first fixed end 201, at least two clamping grooves 2021 are formed in the circumferential side wall of the first inserting rod 202 in an annular array mode, it is guaranteed that when the locking member 4 is inserted into the clamping grooves 2021 along with the connecting sub-seat 3 and rotates, the moving paths of the connecting sub-seat 3 in the clamping grooves 2021 are the same, the clamping grooves 2021 are in an inverted L-shaped structural design, the inverted L-shaped structure is used for clamping and locking the locking member 4, the locking member 4 is prevented from sliding out of an opening of the clamping grooves 2021, one end of each clamping groove 2021 is in an open structural design, a limiting hole 2022 is formed in the bottom of the inner wall of the other end of each clamping groove 2021, and a third fixed inserting rod 203 is arranged at one end of the first inserting rod 202;

the connector sub-base 3 at least comprises a second fixed end 301, in order to meet the requirement that the first plug-in rod 202 is in plug-in fit with the second fixed end 301, one side of the second fixed end 301 is provided with a plug-in rod 302, the center of the surface of the side wall of the plug-in rod 302 is provided with a plug-in groove 303, screw holes 3021 which penetrate through the periphery of the inner wall of the plug-in groove 303 and are matched with the clamping grooves 2021 in an annular array mode are formed in the periphery of the inner wall of the plug-in groove 303, the screw holes 3021 which are formed in the annular array mode are used for being matched with the clamping grooves 2021, locking pieces 4 are installed in internal threads of the screw holes 3021, and limiting slots 3031 which are communicated with the plug-in groove 303 are formed in the second fixed end 301;

the locking part 4 at least comprises a screw 401, the outer wall of the screw 401 is provided with an external thread, the locking part 4 is installed in a screw hole 3021 through the screw 401, the center of the lower surface of the screw 401 is provided with an opening, the opening is internally provided with a sliding groove 402, in order to prevent a connecting cap 403 from sliding from the sliding groove 402, the inner diameter of the sliding groove 402 is larger than the inner diameter of the opening, the sliding groove 402 is internally provided with a connecting cap 403, in order to realize that the locking part 4 clamps and installs a connecting sub-seat 3 on a connecting female seat 2, the bottom of the connecting cap 403 is connected with a positioning rod 405 through a spring 4031, the positioning rod 405 is used for being in plugging fit with a limiting hole 2022, and the center of the top of the positioning rod 405 is provided with a connecting rod 404;

the working process is as follows: when the connector sub-base 3 is inserted and matched with the connector female base 2, the locking member 4 is rotated outwards to enable the positioning rod 405 to be contracted into the screw hole 3021, the opening of the locking member 4 is aligned with the opening of the clamping groove 2021, when the locking member 4 moves to the upper side of the opening of the clamping groove 2021 along with the connector sub-base 3, the locking member 4 is rotated to enable the positioning rod 405 to move along with the locking member 4 to the direction of the clamping groove 2021 until the positioning rod 405 is attached to the inner wall of the clamping groove 2021, the spring 4031 is compressed by force, the connector sub-base 3 continues to move to the direction of the first fixed end 201, when the locking member 4 is inserted into the clamping groove 2021, the connector sub-base 3 is rotated, the locking member 4 slides to the upper side of the limiting hole 2022 at one end of the clamping groove 2021, because the spring 4031 elastically pushes the positioning rod 405 to be inserted into the limiting hole 2022, and simultaneously, when the locking member 4 rotates from the inner side of the clamping groove 2021 to the limiting hole 2022, the third fixing insertion rod 203 is in threaded engagement with the limiting groove 3031, thereby realizing the connection between the connecting sub-base 3 and the connecting female base 2.

In order to strengthen the stability of installing between female seat 2 and the connection sub-seat 3 of connection, the fixed plug rod 203 of third and spacing slot 3031 looks adaptation, the external screw thread has been seted up to the fixed plug rod 203 outer wall of third, the internal thread has been seted up to spacing slot 3031 inner wall, connect female seat 2 through the fixed plug rod 203 of third and spacing slot 3031 threaded connection, through the fixed plug rod 203 of third and spacing slot 3031 screw-thread fit, the stability of being connected between female seat 2 of connection and the connection sub-seat 3 is improved.

In order to ensure that the locking member 4 can be stably installed in the clamping groove 2021, the first inserting rod 202 is inserted into the inserting groove 303, the first inserting rod 202 is matched with the inserting groove 303, the screw hole 3021 is vertically aligned with the clamping groove 2021, the locking member 4 is inserted from the opening of the clamping groove 2021, and when the locking member 4 is inserted into the clamping groove 2021, the connecting sub-base 3 is rotated, and the locking member 4 slides into the limiting hole 2022 at the other end of the clamping groove 2021; further, in order to ensure the connection stability of the connector sub-base 3 and the connector female base 2, the size of the thread groove on the third fixed inserting rod 203 is adapted to the rotation amplitude of the connector sub-base 3 along the clamping groove 2021, that is, when the locking member 4 rotates from the inside of the clamping groove 2021 to the inside of the limiting hole 2022, the third fixed inserting rod 203 is in threaded engagement with the limiting slot 3031.

In order to prevent connector sub-seat 3 from connecting roll-off in the female seat 2, the utility model provides a locating lever 405 size and spacing hole 2022 looks adaptation, retaining member 4 is pegged graft through locating lever 405 and is installed in spacing hole 2022, when locating lever 405 is pegged graft and is installed in spacing hole 2022, connecting rod 404 is located the open pore all the time, for providing the joint support between locating lever 405 and the screw rod 401 through connecting rod 404 and spring 4031, as the location locking piece by locating lever 405, prevent connector sub-seat 3 from connecting roll-off in the female seat 2.

Further, the utility model provides a spring 4031 nested installation is on connecting rod 404, and for guarantee locating lever 405 can slide from top to bottom along the trompil along the flexible of spring 4031, connecting rod 404 length is less than the length when spring 4031 normal state, and connecting rod 404 is used for guaranteeing the stability of spring 4031.

The retaining member 4 is twisted to specific convenient instrument, and screw 401 top is provided with nut 4011, and spout 402 rotates and installs at the spacing inslot, and nut 4011 external diameter is greater than screw 401 external diameter, and nut 4011 top is offered and is used for screwdriver male notch, conveniently twists through instruments such as screwdrivers and moves retaining member 4.

In order to reduce retaining member 4 to the influence of screw outward appearance and function, the utility model provides a screw 3021 is close to the lateral wall opening part and offers the spacing groove that is used for installing nut 4011, and nut 4011 rotates and installs at the spacing inslot, and spacing inslot diameter is greater than screw 3021 diameter, makes things convenient for nut 4011 to subside and installs at the spacing inslot, ensures the smoothness nature of 3 outer walls of connector base, reduces the influence to screw outward appearance and function.

When the utility model is used in detail, when the connecting sub-seat 3 is matched with the connecting female seat 2 in an inserting way, the locking part 4 is rotated outwards to make the positioning rod 405 contract into the screw hole 3021, the opening of the locking part 4 and the clamping groove 2021 are aligned, when the locking part 4 moves to the upper part of the opening of the clamping groove 2021 along with the connecting sub-seat 3, the locking part 4 is rotated to make the positioning rod 405 move to the direction of the clamping groove 2021 along with the locking part 4 until the positioning rod 405 is attached to the inner wall of the clamping groove 2021, the spring 4031 is compressed by force, the connecting sub-seat 3 is moved to the direction of the first fixed end 201 continuously, when the locking part 4 is inserted into the clamping groove 2021, the connecting sub-seat 3 is rotated, the locking part 4 slides to the upper part of the limiting hole 2022 at one end of the clamping groove 2021, because the spring 4031 elastically pushes the positioning rod 405 to be inserted into the limiting hole 2022, meanwhile, when the locking part 4 rotates from the inner part of the clamping groove 2021 to the limiting hole 2022, the third inserting fixing rod 203 is engaged with the limiting slot 3031 by screw thread, thereby realizing the connection between the connecting sub-base 3 and the connecting female base 2;

when installing between reinforced section 101 and the compression section 102, with the female seat 2 of connection of reinforced section 101 one end and the 3 equipment connections of the son seat of connection of compression section 102 one end, the female seat 2 of connection of the 3 one end of connection son seat and the 3 equipment connections of the son seat of connection of homogenization section 103 one end, can realize the modularization equipment of the body of rod 1.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a module assembling type extruder screw rod which characterized in that: the feeding device comprises a rod body (1), wherein the rod body (1) comprises a feeding section (101), a compression section (102) and a homogenizing section (103), a connecting female seat (2) is arranged at one end of the feeding section (101) and one end of the compression section (102), a connecting sub-seat (3) is arranged at the other end of the homogenizing section (103) and the other end of the compression section (102), and a mounting flange base (1011) is arranged at the other end of the feeding section (101);

the connecting female seat (2) at least comprises a first fixed end (201), one end of the first fixed end (201) is provided with a first inserting rod (202), the peripheral side wall of the first inserting rod (202) is provided with at least two clamping grooves (2021) in an annular array, the clamping grooves (2021) are in an inverted L-shaped structural design, one end of each clamping groove (2021) is in an open structural design, the bottom of the inner wall of the other end of each clamping groove (2021) is provided with a limiting hole (2022), and one end of the first inserting rod (202) is provided with a third fixed inserting rod (203);

the connector sub-base (3) at least comprises a second fixed end (301), an inserting and matching rod (302) is arranged on one side of the second fixed end (301), an inserting and matching groove (303) is formed in the center of the surface of the side wall of the inserting and matching rod (302), screw holes (3021) matched with the clamping grooves (2021) are formed in an annular array mode and penetrate through the periphery of the inner wall of the inserting and matching rod (303), locking pieces (4) are installed on the inner threads of the screw holes (3021), and limiting slots (3031) communicated with the inserting and matching grooves (303) are formed in the second fixed end (301);

include screw rod (401) at least in retaining member (4), screw rod (401) lower surface center department has seted up the trompil, spout (402) have been seted up in the trompil, slidable mounting has connection cap (403) in spout (402), it is connected with locating lever (405) through spring (4031) to connect cap (403) bottom, locating lever (405) top center department is provided with connecting rod (404).

2. A modular extruder screw as in claim 1, wherein: the third fixed inserting rod (203) is matched with the limiting slot (3031), an external thread is arranged on the outer wall of the third fixed inserting rod (203), an internal thread is arranged on the inner wall of the limiting slot (3031), and the connecting female seat (2) is in threaded connection with the limiting slot (3031) through the third fixed inserting rod (203).

3. A modular extruder screw as in claim 1, wherein: the first plug rod (202) is installed in the plug groove (303) in a plug mode, the first plug rod (202) is matched with the plug groove (303), and the screw hole (3021) is aligned with the clamping groove (2021) up and down.

4. A modular extruder screw as in claim 1, wherein: the size of the positioning rod (405) is matched with the limiting hole (2022), and the locking piece (4) is inserted into the limiting hole (2022) through the positioning rod (405).

5. A modular extruder screw as in claim 1, wherein: the spring (4031) is nested on the connecting rod (404), and the length of the connecting rod (404) is smaller than that of the spring (4031) in a normal state.

6. A modular extruder screw as in claim 1, wherein: screw rod (401) top is provided with nut (4011), nut (4011) external diameter is greater than screw rod (401) external diameter, the recess that is used for screwdriver male is seted up at nut (4011) top.

7. A modular extruder screw according to claim 6, wherein: screw (3021) are close to the lateral wall opening part and offer the spacing groove that is used for installing nut (4011), nut (4011) rotates to be installed in the spacing inslot.