CN211386617U

CN211386617U - Magnesium alloy single-point incremental forming fixing tool

Info

Publication number: CN211386617U
Application number: CN201922228401.3U
Authority: CN
Inventors: 安志国; 周树强; 王皑军; 何正琛; 郭庆丰; 周丽霞
Original assignee: Chongqing Jiaotong University; Chengdu Aeronautic Polytechnic
Current assignee: Chongqing Jiaotong University; Chengdu Aeronautic Polytechnic
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-01
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a fixed frock of magnesium alloy single-point takes shape gradually belongs to adds clamping apparatus technical field. The magnesium alloy single-point incremental forming fixing tool comprises a bottom supporting mechanism and a clamping adjusting mechanism. The bottom supporting mechanism comprises a base, a supporting table, a first rotating shaft and side plates, wherein the bottom end of the first rotating shaft is rotatably connected to the top of the base, the top end of the first rotating shaft is rotatably connected to the bottom of the supporting table, the two side plates are respectively and fixedly connected to two sides of the top of the supporting table. The utility model discloses first splint and second splint can adopt two kinds of different structures, can adopt plane board and arc respectively, and through rotating the second pivot, first splint and second splint can rotate the interchange for the mould of the different outside shapes of centre gripping, the extensible member withdrawal can realize dismantling between mould and the fixed frock, and it is convenient with the dismantlement mode that the monolithic stationary is convenient, improves whole production efficiency.

Description

Magnesium alloy single-point incremental forming fixing tool

Technical Field

The utility model relates to a processing anchor clamps field particularly, relates to a fixed frock of magnesium alloy single-point takes shape gradually.

Background

Single point progressive forming is a new sheet forming process single point progressive forming technology with rapid prototyping with high potential applications and low production economics, and is becoming mature.

When the single-point incremental forming processing of the magnesium alloy is carried out, the die is usually fixed by the pin shaft, the die fixed by the pin shaft is adopted, the fixed tooling needs to be provided with the pin shaft holes matched with each other, and when the fixed tooling is matched with the die pin shaft, the mounting and dismounting speed is low, so that the whole production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a fixed frock of magnesium alloy single-point progressive forming aims at improving the slow problem of installation and dismantlement between traditional magnesium alloy single-point progressive forming processing mould and the fixed frock.

The utility model discloses a realize like this:

the utility model provides a fixed frock of magnesium alloy single-point takes shape gradually, including bottom sprag mechanism and tight adjustment mechanism of clamp.

The bottom supporting mechanism comprises a base, a supporting platform, a first rotating shaft and two side plates, the bottom end of the first rotating shaft is rotatably connected to the top of the base, the top end of the first rotating shaft is rotatably connected to the bottom of the supporting platform, the two side plates are respectively and fixedly connected to two sides of the top of the supporting platform, the clamping adjusting mechanism comprises an extensible member, a transverse rod, a second rotating shaft, two mounting frames, a first clamping plate, a second clamping plate and a clamping member, the extensible member is mounted on one side of the side plates, one end of the transverse rod is fixedly connected to the output end of the extensible member, the second rotating shaft is rotatably penetrated through the side part of the transverse rod, the two mounting frames are respectively and fixedly connected to two ends of the second rotating shaft, the first clamping plate and the second clamping plate are respectively mounted on two sides of the mounting frames, the clamping, and the clamping piece is clamped on the mounting frame.

The utility model discloses an in one embodiment, the base top is seted up flutedly, first pivot bottom rotate connect in the inside bottom of recess.

The utility model discloses an in one embodiment, first spout has been seted up at the base top, the second spout has been seted up to the brace table bottom, install the steel ball between first spout and the second spout, the steel ball is provided with a plurality of groups, first spout and second spout are the loop configuration.

The utility model discloses an in an embodiment, the mounting groove has been seted up at a supporting bench top, the mounting groove top has inlayed and has connect the apron, just mounting groove internally mounted has the electro-magnet.

The utility model discloses an in one embodiment, prop up supporting bench top set up threaded hole, the threaded hole inside spiro union has the screw rod, screw rod top fixedly connected with hand wheel.

The utility model discloses an in one embodiment, the mounting bracket includes sleeve, bracing piece and connecting plate, bracing piece one end fixed connection in connecting plate one side, bracing piece other end fixed connection in the sleeve outside, the connecting plate is provided with four.

The utility model discloses an in one embodiment, the third spout has been seted up to connecting plate one side, the inside sliding connection of third spout has the slider, connecting plate top spiro union has the bolt, the bolt bottom contact in the slider top, four slider one end connect respectively in first splint and second splint.

In an embodiment of the present invention, the clamping groove is disposed on both sides of the sleeve.

The utility model discloses an in one embodiment, chucking spare includes gag lever post, fixed block and pull ring, the fixed block fixed connection in the horizontal pole outside, gag lever post one end activity run through in the fixed block, just the gag lever post other end fixed connection in the pull ring.

The utility model discloses an in an embodiment, the gag lever post is kept away from fixed block one end fixedly connected with stopper, the stopper with be provided with the spring between the fixed block, the spring cup joint in the gag lever post is outside.

The utility model has the advantages that: the utility model discloses a magnesium alloy single-point takes shape fixed frock gradually that above-mentioned design obtained, during the use, place the mould in supporting the platen top, the extensible member output stretches out and drives the horizontal pole and remove, the horizontal pole drives mounting bracket and splint and removes, splint between two sets of mounting brackets can press from both sides the tight fixed mould outside of clamp, first splint and second splint can adopt two kinds of different structures, can adopt plane board and arc respectively, through rotating the second pivot, first splint and second splint can rotate and trade, a mould for the different outside shapes of centre gripping, the extensible member withdrawal, can realize dismantling between mould and the fixed frock, it is convenient with the dismantlement mode that monolithic stationary is convenient, improve whole production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a magnesium alloy single-point incremental forming fixture provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of a bottom support mechanism according to an embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamping adjustment mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a front view of a mounting frame according to an embodiment of the present invention;

fig. 6 is a schematic top view of a mounting frame according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a clamping member according to an embodiment of the present invention.

In the figure: 10-a bottom support mechanism; 110-a base; 111-grooves; 112-a first runner; 120-a support table; 121-mounting grooves; 122-a second runner; 123-a threaded hole; 130-a first shaft; 140-side plates; 150-a cover plate; 160-an electromagnet; 170-steel balls; 180-screw; 190-hand wheel; 20-a clamping adjustment mechanism; 210-a telescoping member; 220-a cross bar; 230-a second shaft; 240-a mounting frame; 241-a sleeve; 242-support rods; 243-connecting plate; 244-a third runner; 245-a slider; 246-bolt; 247-card slot; 250-a first splint; 260-a second splint; 270-a retainer; 271-a limiting rod; 272-fixed block; 273-pull ring; 274-a limiting block; 275-spring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a magnesium alloy single-point incremental forming fixture, which includes a bottom supporting mechanism 10 and a clamping and adjusting mechanism 20.

The bottom supporting mechanism 10 is used for supporting the clamping adjusting mechanism 20, the clamping adjusting mechanism 20 can be rotatably adjusted by means of the bottom supporting mechanism 10, and the clamping adjusting mechanism 20 is used for carrying out portable fixing on the template.

Referring to fig. 2 and 3, the bottom supporting mechanism 10 includes a base 110, a supporting platform 120, a first rotating shaft 130 and two side plates 140, wherein the bottom end of the first rotating shaft 130 is rotatably connected to the top of the base 110, the top end of the first rotating shaft 130 is rotatably connected to the bottom of the supporting platform 120, the two side plates 140 are respectively and fixedly connected to two sides of the top of the supporting platform 120, and the side plates 140 and the supporting platform 120 are fixed by welding. The top of the base 110 is provided with a groove 111, the bottom of the first rotating shaft 130 is rotatably connected to the bottom end inside the groove 111, the top of the base 110 is provided with a first chute 112, the bottom of the support table 120 is provided with a second chute 122, a steel ball 170 is installed between the first chute 112 and the second chute 122, the steel ball 170 is provided with a plurality of groups, the first chute 112 and the second chute 122 are both of annular structures, the steel ball 170 slides inside the first chute 112 and the second chute 122 and is used for assisting in supporting the support table 120, the top of the support table 120 is provided with a mounting groove 121, the top of the mounting groove 121 is embedded with a cover plate 150, an electromagnet 160 is installed inside the mounting groove 121, the electromagnet 160 is used for adsorbing and fixing a mold after being electrified, the top of the support table 120 is provided with a threaded hole 123, a screw rod 180 is screwed inside the threaded hole 123, the top of the, the bottom of the screw 180 is used to fix the supporting platform 120 when contacting the base 110.

Referring to fig. 4, the clamping adjusting mechanism 20 includes an expansion piece 210, a cross bar 220, a second rotating shaft 230, a mounting frame 240, a first clamping plate 250, a second clamping plate 260 and a clamping piece 270, the expansion piece 210 is installed on one side of the side plate 140, one end of the cross bar 220 is fixedly connected to the output end of the expansion piece 210, the cross bar 220 and the expansion piece 210 are fixed by welding, the second rotating shaft 230 rotates to penetrate through the lateral portion of the cross bar 220, the two mounting frames 240 are provided, the two mounting frames 240 are respectively and fixedly connected to two ends of the second rotating shaft 230, the first clamping plate 250 and the second clamping plate 260 are respectively installed on two sides of the mounting frame 240, the first clamping plate 250 and the second clamping plate 260 are respectively fixed to the mounting frame 240 by screws, the clamping piece 270 is installed on one side.

It should be noted that the telescopic member 210 may be one of an air cylinder, a hydraulic cylinder and an electric push rod, and the specific model and specification of the telescopic member 210 and the electromagnet 160 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted. The power supply of the telescopic member 210 and the electromagnet 160 and the principle thereof will be clear to those skilled in the art and will not be described in detail herein.

Referring to fig. 5 and 6, the mounting frame 240 includes a sleeve 241, support rods 242 and a connecting plate 243, one end of each support rod 242 is fixedly connected to one side of the connecting plate 243, the support rods 242 and the connecting plate 243 are fixed by welding, the other end of each support rod 242 is fixedly connected to the outer side of the sleeve 241, four connecting plates 243 are provided, two groups of support rods 242 are respectively used for fixing the first clamping plate 250 and the second clamping plate 260, a third sliding groove 244 is provided on one side of the connecting plate 243, a sliding block 245 is slidably connected to the inside of the third sliding groove 244, a bolt 246 is screwed on the top of the connecting plate 243, the bottom of the bolt 246 contacts the top of the sliding block 245, one ends of four sliding blocks 245 are.

Referring to fig. 7, the clamping member 270 includes a limiting rod 271, a fixing block 272 and a pull ring 273, the fixing block 272 is fixedly connected to the outer side of the cross rod 220, one end of the limiting rod 271 movably penetrates through the fixing block 272, the other end of the limiting rod 271 is fixedly connected to the pull ring 273, the limiting rod 271 and the pull ring 273 are integrally formed, the limiting rod 271 and the clamping groove 247 can be clamped and matched, one end of the limiting rod 271 far away from the fixing block 272 is fixedly connected with a limiting block 274, a spring 275 is arranged between the limiting block 274 and the fixing block 272, and the spring 275 is sleeved outside the limiting rod.

The working principle of the magnesium alloy single-point incremental forming fixing tool is as follows: when the mold clamping device is used, a mold is placed above the supporting table 120, the output end of the telescopic part 210 extends out to drive the cross rod 220 to move, the cross rod 220 drives the mounting frames 240 and the clamping plates to move, the clamping plates between the two sets of mounting frames 240 can clamp and fix the outer sides of the mold, the first clamping plate 250 and the second clamping plate 260 can adopt two different structures, a plane plate and an arc plate can be respectively adopted, the first clamping plate 250 and the second clamping plate 260 can rotate and exchange by rotating the second rotating shaft 230, the clamping member 270 is used for clamping and fixing the mounting frame 240, namely fixing the positions of the first clamping plate 250 and the second clamping plate 260, wherein the pull ring 273 in the clamping member 270 is pulled outwards, the spring 275 is compressed, the end part of the limiting rod 271 is positioned outside the clamping groove 247, the first clamping plate 250 and the second clamping plate 260 can be replaced by the rotatable mounting frame 240 at the moment, when the first clamping plate 250 and the second clamping plate 260, the end part of the limiting rod 271 is clamped in the clamping groove 247, so that the positions of the first clamping plate 250 and the second clamping plate 260 are fixed and the moulds with different outer side shapes are clamped; the electromagnet 160 can be used for adsorbing the bottom of the mold, so that the mold is stably fixed in the vertical direction, the first rotating shaft 130 can be arranged to realize manual rotation of the supporting table 120, the rotating angle of the mold is adjusted, the screw rod 180 at the bottom of the hand wheel 190 is matched, and the screw rod 180 is screwed, so that the base 110 is pressed at the bottom and used for fixing the supporting table 120.

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. A magnesium alloy single-point incremental forming fixing tool is characterized by comprising

The bottom support mechanism (10) comprises a base (110), a support table (120), a first rotating shaft (130) and side plates (140), the bottom end of the first rotating shaft (130) is rotatably connected to the top of the base (110), the top end of the first rotating shaft (130) is rotatably connected to the bottom of the support table (120), two side plates (140) are arranged, and the two side plates (140) are respectively and fixedly connected to two sides of the top of the support table (120);

the clamping adjusting mechanism (20), the clamping adjusting mechanism (20) comprises a telescopic piece (210), a cross bar (220), a second rotating shaft (230), a mounting rack (240), a first clamping plate (250), a second clamping plate (260) and a clamping piece (270), the telescopic piece (210) is arranged on one side of the side plate (140), one end of the cross rod (220) is fixedly connected with the output end of the telescopic piece (210), the second rotating shaft (230) rotatably penetrates through the side part of the cross rod (220), two mounting frames (240) are arranged, the two mounting frames (240) are respectively and fixedly connected to two ends of the second rotating shaft (230), the first clamping plate (250) and the second clamping plate (260) are respectively arranged at two sides of the mounting frame (240), the clamping piece (270) is installed on one side of the cross rod (220), and the clamping piece (270) is clamped on the mounting frame (240).

2. The magnesium alloy single-point progressive forming fixing tool according to claim 1, wherein a groove (111) is formed in the top of the base (110), and the bottom of the first rotating shaft (130) is rotatably connected to the bottom end of the inside of the groove (111).

3. The magnesium alloy single-point incremental forming fixing tool according to claim 1, wherein a first sliding groove (112) is formed in the top of the base (110), a second sliding groove (122) is formed in the bottom of the support table (120), steel balls (170) are installed between the first sliding groove (112) and the second sliding groove (122), a plurality of groups of the steel balls (170) are arranged, and the first sliding groove (112) and the second sliding groove (122) are both of an annular structure.

4. The magnesium alloy single-point progressive forming fixing tool is characterized in that a mounting groove (121) is formed in the top of the support table (120), a cover plate (150) is embedded in the top of the mounting groove (121), and an electromagnet (160) is mounted inside the mounting groove (121).

5. The magnesium alloy single-point progressive forming fixing tool is characterized in that a threaded hole (123) is formed in the top of the supporting table (120), a screw rod (180) is screwed in the threaded hole (123), and a hand wheel (190) is fixedly connected to the top of the screw rod (180).

6. The magnesium alloy single-point progressive forming fixing tool according to claim 1, wherein the mounting frame (240) comprises a sleeve (241), supporting rods (242) and connecting plates (243), one end of each supporting rod (242) is fixedly connected to one side of each connecting plate (243), the other end of each supporting rod (242) is fixedly connected to the outer side of the sleeve (241), and four connecting plates (243) are arranged.

7. The magnesium alloy single-point progressive forming fixing tool according to claim 6, wherein a third sliding groove (244) is formed in one side of the connecting plate (243), a sliding block (245) is connected to the inside of the third sliding groove (244) in a sliding manner, a bolt (246) is screwed to the top of the connecting plate (243), the bottom of the bolt (246) is in contact with the top of the sliding block (245), and one end of each of the four sliding blocks (245) is connected to the first clamping plate (250) and the second clamping plate (260) respectively.

8. The magnesium alloy single-point progressive forming fixing tool according to claim 6, wherein clamping grooves (247) are formed in two sides of the sleeve (241).

9. The magnesium alloy single-point progressive forming fixing tool is characterized in that the clamping piece (270) comprises a limiting rod (271), a fixing block (272) and a pull ring (273), the fixing block (272) is fixedly connected to the outer side of the cross rod (220), one end of the limiting rod (271) movably penetrates through the fixing block (272), and the other end of the limiting rod (271) is fixedly connected to the pull ring (273).

10. The magnesium alloy single-point progressive forming fixing tool according to claim 9, wherein a limiting block (274) is fixedly connected to one end, away from the fixed block (272), of the limiting rod (271), a spring (275) is arranged between the limiting block (274) and the fixed block (272), and the spring (275) is sleeved outside the limiting rod (271).