CN113351671B

CN113351671B - Extrusion device for producing high-strength high-toughness aluminum alloy section

Info

Publication number: CN113351671B
Application number: CN202110610994.9A
Authority: CN
Inventors: 张宏; 张子路
Original assignee: HUAIBEI YINFENG ALUMINUM CO Ltd
Current assignee: HUAIBEI YINFENG ALUMINUM CO Ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-31
Anticipated expiration: 2041-06-01
Also published as: CN113351671A

Abstract

The invention relates to an extrusion device for producing high-strength high-toughness aluminum alloy sections, which comprises a rack, wherein a pushing device, a supporting device and a shaping device are sequentially arranged on the rack from left to right. The invention can solve the problems that the existing high-strength high-toughness aluminum alloy section needs to be manually replaced when the existing high-strength high-toughness aluminum alloy section is processed, the existing mold is arranged in a processing machine and is complex to disassemble and install during replacement, and the thread is easily damaged due to the action of external force in a thread fixing mold mode, so that the stability of the fixed mold is poor, and the service life of the mold is influenced.

Description

Extrusion device for producing high-strength high-toughness aluminum alloy section

Technical Field

The invention relates to the technical field related to section bar processing, in particular to an extrusion device for producing high-strength high-toughness aluminum alloy section bars.

Background

The aluminum alloy section is a non-ferrous metal structural material which is most widely applied in industry, has the characteristics of high strength and high toughness, is widely applied to the fields of aviation, aerospace, automobiles, mechanical manufacturing, ships, buildings, decoration and the like, has different specifications and structures required by the sections used in different fields, and needs to be improved in adaptability according to the characteristics when the high-strength and high-toughness aluminum alloy section is extruded.

However, there is following problem in current high tenacity aluminum alloy ex-trusions that excels in the course of working, one, need artifical required mould of change when carrying out the processing operation to the section bar of isostructure, processing machinery's inside is arranged in to present mould, it is complicated to dismantle the installation during change, and the mode through the thread tightening mould receives the effect of external force easily and leads to the screw thread impaired, make the stability performance after the mould is fixed poor, influence the life of mould, two, the propelling movement of raw materials in the course of working and the execution end that the extrusion all adds man-hour through the extrusion drive, the extruded distance of drive has been prolonged, the pressure of drive execution end is big and the rate of motion is slow, an efficiency that the low efficiency of propelling movement raw materials moving speed just influences section bar processing.

Disclosure of Invention

Technical scheme (I)

In order to solve the problems mentioned above, the invention adopts the following technical scheme: the utility model provides an extrusion device of high strength and toughness aluminum alloy ex-trusions production, includes the frame, turns right from a left side in the frame and installs pusher, strutting arrangement and setting device in proper order, and on strutting arrangement was placed to the raw materials that extrusion processing used, pusher carried out the propelling movement and extrudeed to the raw materials on the strutting arrangement, and the raw materials passes through the shape of setting device back extrusion molding material.

The pushing device comprises a pushing support, the pushing support is arranged on the rack in a sliding mode, the pushing support can slide on the rack, a pushing groove is formed in the rack, a pushing plate is arranged on the lower end face of the pushing support and used for limiting the pushing plate, the pushing plate is located in the pushing groove and extends to the lower side of the rack, a pushing cylinder is arranged at the lower end of the pushing support and used for driving the pushing support to slide on the rack, the output end of the pushing cylinder is connected to the pushing plate through a flange, and an executing mechanism is arranged on the pushing support;

the supporting device comprises a fixed supporting frame, the left end of the fixed supporting frame is connected with a movable supporting frame through an expansion spring, the movable supporting frame is arranged on the rack in a sliding mode, the movable supporting frame can reset under the effect of the expansion spring, a sliding groove is evenly formed in the inner end face of the movable supporting frame, a supporting block matched with the sliding groove is arranged at the left end of the fixed supporting frame, a sliding groove matched with the supporting block is formed in the pushing support, a fixing mechanism is arranged on the supporting block, and the fixing mechanism can be used for fixing the position of the pushing support.

The shaping device comprises an extrusion pipe, the extrusion pipe is fixed on the frame, an annular connecting groove is formed in the right end of the extrusion pipe, a T-shaped groove communicated with the annular connecting groove is uniformly formed in the extrusion pipe along the circumferential direction of the extrusion pipe, a shaping module is connected in the annular connecting groove, the extrusion pipe is connected with the shaping module through a locking mechanism, and the shaping module and the extrusion pipe can be assembled or disassembled conveniently through the locking mechanism.

According to the preferred technical scheme, the executing mechanism comprises a motor arranged on the inner wall of a pushing support, an output shaft of the motor is connected with one end of a lead screw through a coupler, the other end of the lead screw is arranged on the inner wall of the right side of the pushing support through a bearing, a limiting hole is uniformly formed in the right end of the pushing support along the circumferential direction of the lead screw, an executing feeding block is arranged on the lead screw in a threaded transmission mode, a feeding rod is arranged in the limiting hole in a sliding mode, one end of the feeding rod is fixed on the executing feeding block, and an executing extrusion block is arranged at the other end of the feeding rod;

the fixing mechanism comprises a rectangular cavity body arranged on a supporting block, fixing grooves communicated with the rectangular cavity body are symmetrically formed in the front end and the rear end of the supporting block, a fixing frame is hinged into the fixing grooves, a spring is arranged between the fixing frame and the inner wall of the rectangular cavity body, an adjusting spring rod is arranged on the inner wall of the rectangular cavity body, a fixing sliding rod is mounted on the adjusting spring rod and extends to the outer side of the supporting block leftwards, transverse plates used for extruding the fixing frame are symmetrically arranged on the fixing sliding rod, and a positioning groove matched with the fixing frame is formed in a sliding groove of a pushing support.

The locking mechanism comprises a driving annular block, the driving annular block is in threaded connection with the outer wall of the extrusion pipe, an inner groove is formed in the driving annular block, a locking spring rod is arranged in a T-shaped groove, a locking execution block is arranged on the locking spring rod, the locking execution block is arranged in the T-shaped groove in a sliding mode, an L-shaped block is arranged on the locking execution block, a locking insertion rod is arranged on the L-shaped block, one end, deviating from the locking insertion rod, of the L-shaped block is provided with a support rod, and the support rod is arranged in the inner groove in a sliding mode.

According to the technical scheme, the shaping module comprises a shaping sleeve, a clamping groove is uniformly formed in the shaping sleeve along the circumferential direction of the shaping sleeve, a clamping block is arranged on the outer wall of the shaping sleeve, a locking jack is formed in the clamping block, and a forming die is arranged in the shaping module.

According to the preferable technical scheme, the forming die comprises a shaping block, clamping blocks are evenly arranged on the outer wall of the shaping block along the circumferential direction of the outer wall of the shaping block, the clamping blocks are in sliding fit with clamping grooves, a die cavity is formed in the shaping block, the die cavity formed in the shaping block is processed into a specified shape according to actual needs, the prepared forming dies with different structures are stored and stored, and the forming die with the corresponding structure is selected in use.

(II) advantageous effects

1. The invention can solve the problems that the existing high-strength high-toughness aluminum alloy section needs to be manually replaced when the existing high-strength high-toughness aluminum alloy section is processed, the existing mold is arranged in a processing machine and is complex to disassemble and install during replacement, and the thread is easily damaged due to the action of external force in a thread fixing mold mode, so that the stability of the fixed mold is poor, and the service life of the mold is influenced.

2. The shaping device designed by the invention changes the connection mode between the die and a processing machine in the operation process by a plug-in locking mode, can prevent the problem of thread damage in the traditional connection operation in the processing process by a plug-in fixing mode, can prolong the service life of the die, and can improve the stability of the die during installation;

3. the pushing device designed by the invention can be matched with the supporting device to reduce the movement distance of the driving execution end, so that the pushing and the extrusion of the raw materials are separately carried out, the pushing speed of the pushed raw materials can be increased, and the processing efficiency of the section bar is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is a schematic view of the structure between the frame and the support device of the present invention;

FIG. 4 is a schematic plan view of the support block and securing mechanism of the present invention;

FIG. 5 is a left side view of the present invention between the push bracket, support block and fixed slide bar;

FIG. 6 is a schematic view of the structure between the frame and the setting device of the present invention;

fig. 7 is a schematic structural view between the sizing sleeve and the snap-fit block of the present invention.

Fig. 8 is a schematic structural view of a part of the molding die of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 8, an extrusion device for producing a high-strength high-toughness aluminum alloy profile comprises a frame 1, wherein a pushing device 2, a supporting device 3 and a shaping device 4 are sequentially arranged on the frame 1 from left to right; the raw material subjected to the heat treatment and ready for extrusion processing is placed on the pushing device 2.

The pushing device 2 comprises a pushing support 21, the pushing support 21 is arranged on the rack 1 in a sliding mode, a pushing groove is formed in the rack 1, a pushing plate 22 is arranged on the lower end face of the pushing support 21, the pushing plate 22 is located in the pushing groove and extends to the lower side of the rack 1, a pushing cylinder 23 is arranged at the lower end of the pushing support 21, the output end of the pushing cylinder 23 is connected to the pushing plate 22 through a flange, and an executing mechanism 24 is arranged on the pushing support 21;

after the raw materials are placed, the pushing cylinder 23 is started, the pushing cylinder 23 drives the pushing support 21 to integrally move from left to right through the pushing plate 22 in the movement, and the pushing support 21 pushes the raw materials into the extrusion pipe 41 through the execution extrusion block 245 in the moving process.

The supporting device 3 comprises a fixed supporting frame 31, the left end of the fixed supporting frame 31 is connected with a movable supporting frame 33 through an expansion spring 32, the movable supporting frame 33 is arranged on the rack 1 in a sliding mode, a sliding groove is uniformly formed in the inner end face of the movable supporting frame 33, a supporting block 34 matched with the sliding groove is arranged at the left end of the fixed supporting frame 31, a sliding groove matched with the supporting block 34 is formed in the pushing support 21, and a fixing mechanism 35 is arranged on the supporting block 34;

fixed establishment 35 is including seting up the rectangle cavity at supporting shoe 34, the fixed slot that communicates with the rectangle cavity is seted up to both ends symmetry around supporting shoe 34, it has mount 351 to articulate in the fixed slot, be provided with the spring between the inner wall of mount 351 and rectangle cavity, be provided with regulation spring pole 352 on the inner wall of rectangle cavity, install fixed slide bar 353 on the regulation spring pole 352, fixed slide bar 353 extends to the outside of supporting shoe 34 left, the symmetry is provided with on the fixed slide bar 353 and is used for the extruded diaphragm 354 to mount 351, and set up the constant head tank with mount 351 complex in the sliding groove of propelling movement support 21.

The pushing support 21 extrudes the movable support frame 33 in the moving process, the extruded movable support frame 33 contracts towards the fixed support frame 31, the supporting block 34 at the moment is inserted into the sliding groove, the raw materials are supported through the matching of the supporting block 34, the fixed support frame 31 and the movable support frame 33, and the raw materials can be pushed into the extrusion pipe 41 in an auxiliary mode in the process.

When the pushing support 21 abuts against the fixed sliding rod 353 in the moving process, the fixed sliding rod 353 is extruded to move towards the inside of the supporting block 34, the fixed sliding rod 353 drives the transverse plate 354 to extrude the fixing frame 351 in the moving process, the positioning groove in the pushing support 21 moves to the specified fixed position at the moment, the fixing frame 351 subjected to extrusion is inserted into the positioning groove during rotation and adjustment, and therefore the executing mechanism 24 can stably extrude raw materials.

The actuating mechanism 24 comprises a motor 241 arranged on the inner wall of the pushing support 21, an output shaft of the motor 241 is connected with one end of a lead screw 242 through a coupler, the other end of the lead screw 242 is arranged on the inner wall of the right side of the pushing support 21 through a bearing, a limiting hole is uniformly formed in the right end of the pushing support 21 along the circumferential direction of the lead screw 242, an actuating feeding block 243 is arranged on the lead screw 242 in a threaded transmission mode, a feeding rod 244 is arranged in the limiting hole in a sliding mode, one end of the feeding rod 244 is fixed on the actuating feeding block 243, and an actuating extrusion block 245 is installed at the other end of the feeding rod 244.

The starting motor 241 controls the screw 242 to rotate, the screw 242 drives the execution feeding block 243 to move in a threaded transmission mode in the rotating process, and the execution feeding block 243 drives the execution extrusion block 245 to extrude the raw material in the extrusion pipe 41 through the feeding rod 244 in the moving process, so that the raw material is extruded into a required profile structure through the limitation of the shaping device 4.

Setting device 4 includes extrusion pipe 41, and extrusion pipe 41 fixes in frame 1, and the annular spread groove has been seted up to the right-hand member of extrusion pipe 41, evenly sets up the T type groove that communicates with the annular spread groove along its circumference on the extrusion pipe 41, and the annular spread groove in-connection has setting module 42, links to each other through locking mechanism 43 between extrusion pipe 41 and the setting module 42.

The locking mechanism 43 comprises a driving annular block 431, the driving annular block 431 is in threaded connection with the outer wall of the extrusion pipe 41, an inner groove is formed in the driving annular block 431, a locking spring rod 432 is arranged in the T-shaped groove, a locking execution block 433 is arranged on the locking spring rod 432, the locking execution block 433 is arranged in the T-shaped groove in a sliding mode, an L-shaped block 434 is arranged on the locking execution block 433, a locking insertion rod 435 is arranged on the L-shaped block 434, an abutting rod 436 is arranged at one end, deviating from the locking insertion rod 435, of the L-shaped block 434, and the abutting rod 436 is arranged in the inner groove in a sliding mode.

The shaping module 42 comprises a shaping sleeve 421, clamping grooves are uniformly formed in the shaping sleeve 421 along the circumferential direction of the shaping sleeve, a buckling block 422 is arranged on the outer wall of the shaping sleeve 421, a locking jack is formed in the buckling block 422, and a forming die is arranged in the shaping module 42.

The forming die comprises a shaping block 423, wherein a clamping block 424 is uniformly arranged on the outer wall of the shaping block 423 along the circumferential direction of the outer wall, the clamping block 424 is in sliding fit with a clamping groove, and a die cavity is formed in the shaping block 423.

The forming cavity formed in the shaping block 423 is processed into a specified shape according to actual requirements, the prepared forming dies with different structures are stored and put in order, and the forming die with a corresponding structure is selected during use.

When the structure of the machined profile needs to be changed, the driving ring-shaped block 431 is rotated to enable the driving ring-shaped block 431 to move leftwards in a threaded rotary feeding mode, the driving ring-shaped block 431 locks the spring rod 432 to drive the locking execution block 433 to contract leftwards in the leftward movement process, when the locking insertion rod 435 is separated from the locking insertion hole and the locking execution block 433 moves to a position which does not influence the buckling block 422, the driving ring-shaped block 431 stops moving, the shaping sleeve 421 is rotated to enable the buckling block 422 to be adjusted to a proper position, the shaping sleeve 421 is taken down from the extrusion tube 41, and the shaping block 423 of the shaping sleeve 421 is taken out.

Selecting a molding die for subsequent processing of a specified structure, inserting the molding block 423 into the molding sleeve 421, so that the clamping block 424 is clamped into the clamping groove, the shaping sleeve 421 is butted into the annular connecting groove of the extrusion tube 41, the outer wall of the left end of the shaping block 423 abuts against the outer wall of the right end of the extrusion tube 41, the shaping sleeve 421 is rotated to enable the clamping block 422 to be screwed into the designated position of the T-shaped groove, the driving annular block 431 is controlled to rotate, the driving annular block 431 drives the L-shaped block 434 to move through the abutting rod 436 in the rotating and feeding process, the L-shaped block 434 drives the locking execution block 433 to slide forwards to a proper position in the moving process, and the locking execution block 433 can limit the shaping block 423 in the T-shaped groove, and the locking insertion bar 435 of the L-shaped block 434 is inserted into the locking insertion hole to stably fix the molding die to the extruding pipe 41 by the locking mechanism 43.

The heated raw material is placed on the supporting device 3, at this time, after the pushing device 2 works to push the raw material into the extrusion tube 41, the raw material in the extrusion tube 41 is extruded through the actuating mechanism 24, and the extruded raw material is extruded into a profile from the mold cavity on the shaping block 423.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An extrusion device for producing high-strength high-toughness aluminum alloy sections comprises a rack (1), and is characterized in that a pushing device (2), a supporting device (3) and a shaping device (4) are sequentially arranged on the rack (1) from left to right;

the pushing device (2) comprises a pushing support (21), the pushing support (21) is arranged on the rack (1) in a sliding mode, a pushing groove is formed in the rack (1), a pushing plate (22) is arranged on the lower end face of the pushing support (21), the pushing plate (22) is located in the pushing groove and extends to the lower side of the rack (1), a pushing cylinder (23) is arranged at the lower end of the pushing support (21), the output end of the pushing cylinder (23) is connected to the pushing plate (22) through a flange, and an executing mechanism (24) is arranged on the pushing support (21);

the supporting device (3) comprises a fixed supporting frame (31), the left end of the fixed supporting frame (31) is connected with a movable supporting frame (33) through an expansion spring (32), the movable supporting frame (33) is arranged on the rack (1) in a sliding mode, sliding grooves are uniformly formed in the inner end face of the movable supporting frame (33), a supporting block (34) matched with the sliding grooves is arranged at the left end of the fixed supporting frame (31), a sliding groove matched with the supporting block (34) is formed in the pushing support (21), and a fixing mechanism (35) is arranged on the supporting block (34);

the shaping device (4) comprises an extrusion pipe (41), the extrusion pipe (41) is fixed on the rack (1), an annular connecting groove is formed in the right end of the extrusion pipe (41), T-shaped grooves communicated with the annular connecting groove are uniformly formed in the extrusion pipe (41) along the circumferential direction of the extrusion pipe, a shaping module (42) is connected in the annular connecting groove, and the extrusion pipe (41) is connected with the shaping module (42) through a locking mechanism (43);

fixed establishment (35) are including seting up the rectangle cavity in supporting shoe (34), the fixed slot with the rectangle cavity intercommunication is seted up to both ends symmetry around supporting shoe (34), it has mount (351) to articulate in the fixed slot, be provided with the spring between the inner wall of mount (351) and rectangle cavity, be provided with regulation spring lever (352) on the inner wall of rectangle cavity, install fixed slide bar (353) on regulation spring lever (352), fixed slide bar (353) extend to the outside of supporting shoe (34) left, the symmetry is provided with and is used for fixing frame (351) extruded diaphragm (354) on fixed slide bar (353), and set up the constant head tank with mount (351) complex in the sliding groove of propelling movement support (21).

2. The extrusion device for producing the high-strength high-toughness aluminum alloy profile according to claim 1, wherein the actuating mechanism (24) comprises a motor (241) arranged on the inner wall of the pushing support (21), an output shaft of the motor (241) is connected with one end of a lead screw (242) through a coupler, the other end of the lead screw (242) is arranged on the inner wall of the right side of the pushing support (21) through a bearing, a limiting hole is uniformly formed in the right end of the pushing support (21) along the circumferential direction of the lead screw (242), an actuating feed block (243) is arranged on the lead screw (242) in a threaded transmission mode, a feed rod (244) is slidably arranged in the limiting hole, one end of the feed rod (244) is fixed on the actuating feed block (243), and the actuating extrusion block (245) is installed at the other end of the feed rod (244).

3. The extrusion device for producing the high-strength high-toughness aluminum alloy profile according to claim 1, wherein the locking mechanism (43) comprises a driving annular block (431), the driving annular block (431) is in threaded connection with the outer wall of the extrusion pipe (41), an inner groove is formed in the driving annular block (431), a locking spring rod (432) is arranged in the T-shaped groove, a locking execution block (433) is arranged on the locking spring rod (432), the locking execution block (433) is arranged in the T-shaped groove in a sliding mode, an L-shaped block (434) is arranged on the locking execution block (433), a locking insertion rod (435) is arranged on the L-shaped block (434), an abutting rod (436) is arranged at one end, deviating from the locking insertion rod (435), of the L-shaped block (434), and the abutting rod (436) is arranged in the inner groove in a sliding mode.

4. The extrusion device for producing the high-strength high-toughness aluminum alloy profile according to claim 1, wherein the shaping module (42) comprises a shaping sleeve (421), clamping grooves are uniformly formed in the shaping sleeve (421) along the circumferential direction of the shaping sleeve, a buckling block (422) is arranged on the outer wall of the shaping sleeve (421), a locking jack is formed in the buckling block (422), and a forming die is arranged in the shaping module (42).

5. The extrusion device for producing the high-strength high-toughness aluminum alloy profile according to claim 4, wherein the forming die comprises a shaping block (423), clamping blocks (424) are uniformly arranged on the outer wall of the shaping block (423) along the circumferential direction of the shaping block, the clamping blocks (424) are in sliding fit with the clamping grooves, and a die cavity is formed in the shaping block (423).