CN211386617U - Magnesium alloy single-point incremental forming fixing tool - Google Patents

Abstract

The utility model provides a magnesium alloy single-point incremental forming fixing tool, which belongs to the technical field of processing fixtures. The magnesium alloy single-point incremental forming fixing tool includes a bottom support mechanism and a clamping adjustment mechanism. The bottom support mechanism includes a base, a support table, a first rotating shaft and a side plate. Two side plates are provided, and the two side plates are respectively fixedly connected to both sides of the top of the support table. The first clamping plate and the second clamping plate of the utility model can adopt two different structures, which can be a flat plate and an arc-shaped plate respectively. By rotating the second rotating shaft, the first clamping plate and the second clamping plate can be rotated and exchanged for clamping For molds with different outer shapes, the retractable parts can be disassembled between the mold and the fixed tooling. The overall fixing and disassembly methods are convenient and the overall production efficiency is improved.

Description

Magnesium alloy single point incremental forming fixing tool

technical field

The utility model relates to the field of processing fixtures, in particular to a magnesium alloy single-point incremental forming fixing tool.

Background technique

Single-point incremental forming is a new type of sheet forming process with high potential applications for rapid prototyping and low-volume production economic benefits. Single-point incremental forming technology is gradually becoming mature.

During single-point incremental forming of magnesium alloys, the mold is usually fixed by pins, and the pin-fixed mold needs to have matching pin holes for its fixing tool. When the fixed tool matches the mold pin, the speed of installation and removal Slower, affecting the overall production efficiency.

Utility model content

In order to make up for the above deficiencies, the utility model provides a magnesium alloy single point incremental forming fixing tool, which aims to improve the problem of slow installation and disassembly between the traditional magnesium alloy single point incremental forming processing die and the fixing tool.

The utility model is realized in this way:

The utility model provides a magnesium alloy single-point incremental forming fixing tool, which comprises a bottom support mechanism and a clamping adjustment mechanism.

The bottom support mechanism includes a base, a support table, a first rotating shaft and a side plate. The bottom end of the first rotating shaft is rotatably connected to the top of the base, and the top end of the first rotating shaft is rotatably connected to the bottom of the support table. There are two side plates, and the two side plates are fixedly connected to the two sides of the top of the support table respectively. Two splints and a clamping piece, the telescopic piece is installed on one side of the side plate, one end of the cross bar is fixedly connected to the output end of the telescopic piece, and the second shaft rotates through the side of the cross bar, There are two mounting brackets, the two mounting brackets are fixedly connected to the two ends of the second rotating shaft respectively, the first clamping plate and the second clamping plate are respectively installed on both sides of the mounting bracket, and the clamping The clamping piece is installed on one side of the cross bar, and the clamping piece is clamped on the mounting frame.

In an embodiment of the present invention, a groove is formed on the top of the base, and the bottom of the first rotating shaft is rotatably connected to the inner bottom end of the groove.

In an embodiment of the present invention, a first chute is provided on the top of the base, a second chute is provided at the bottom of the support table, and steel balls are installed between the first chute and the second chute , the steel balls are provided with several groups, and the first chute and the second chute are annular structures.

In an embodiment of the present invention, an installation groove is formed on the top of the support table, a cover plate is embedded in the top of the installation groove, and an electromagnet is installed inside the installation groove.

In an embodiment of the present invention, the top of the support table is provided with a threaded hole, a screw is screwed inside the screw hole, and a handwheel is fixedly connected to the top of the screw.

In an embodiment of the present invention, the mounting frame includes a sleeve, a support rod and a connecting plate, one end of the support rod is fixedly connected to one side of the connecting plate, and the other end of the support rod is fixedly connected to the connecting plate. On the outside of the sleeve, there are four connecting plates.

In an embodiment of the present invention, a third chute is provided on one side of the connecting plate, the sliding block is slidably connected inside the third chute, and the top of the connecting plate is screwed with bolts, so The bottom of the bolt is in contact with the top of the slider, and one end of the four sliders is respectively connected to the first clamping plate and the second clamping plate.

In an embodiment of the present invention, both sides of the sleeve are provided with clamping grooves.

In an embodiment of the present invention, the clamping member includes a limit rod, a fixing block and a pull ring, the fixing block is fixedly connected to the outside of the cross rod, and one end of the limit rod movably penetrates through the the fixing block, and the other end of the limiting rod is fixedly connected to the pull ring.

In an embodiment of the present invention, one end of the limit rod away from the fixed block is fixedly connected to the limit block, a spring is arranged between the limit block and the fixed block, and the spring is sleeved on the outside of the limit rod.

The beneficial effects of the utility model are as follows: the utility model obtains a magnesium alloy single-point incremental forming fixing tool through the above-mentioned design, when in use, the mold is placed above the support platen, and the output end of the telescopic piece extends to drive the cross bar to move, The cross bar drives the mounting frame and the splint to move. The splint between the two sets of mounting frames can clamp the outside of the fixed mold. The first splint and the second splint can adopt two different structures, which can be a flat plate and an arc plate respectively. By rotating the second shaft, the first splint and the second splint can be rotated and exchanged for clamping molds with different outer shapes. The retractable part retracts, and the mold and the fixed tooling can be disassembled. The overall fixation and disassembly methods are convenient. Improve overall production efficiency.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a magnesium alloy single-point incremental forming fixing tool provided by an embodiment of the present invention;

2 is a schematic structural diagram of a bottom support mechanism provided by an embodiment of the present invention;

FIG. 3 is an enlarged structural schematic diagram of part A in FIG. 2 provided by an embodiment of the present invention;

4 is a schematic structural diagram of a clamping adjustment mechanism provided by an embodiment of the present invention;

5 is a schematic structural diagram of a front view of a mounting frame provided by an embodiment of the present invention;

6 is a schematic top-view structural diagram of a mounting frame provided by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a clamping member provided by an embodiment of the present invention.

In the figure: 10-bottom support mechanism; 110-base; 111-groove; 112-first chute; 120-support table; 121-installation slot; 122-second chute; 123-threaded hole; 130-first 1 shaft; 140-side plate; 150-cover plate; 160-electromagnet; 170-steel ball; 180-screw; 190-handwheel; 20-clamping adjustment mechanism; 210-extension piece; 220-crossbar; 230- 240-mounting frame; 241-sleeve; 242-support rod; 243-connecting plate; 244-third chute; 245-slider; 246-bolt; 247-card slot; 250-first splint ; 260 - the second splint; 270 - clamping piece; 271 - limit rod; 272 - fixed block; 273 - pull ring; 274 - limit block; 275 - spring.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Accordingly, the following detailed description of the embodiments of the invention provided 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 of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

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

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

Example

Referring to FIG. 1 , the present invention provides a magnesium alloy single-point incremental forming fixing tool, which includes a bottom support mechanism 10 and a clamping adjustment mechanism 20 .

The bottom support mechanism 10 is used to support the clamping adjustment mechanism 20, and the clamping adjustment mechanism 20 can be rotated and adjusted by the bottom support mechanism 10, and the clamping adjustment mechanism 20 is used for portable fixing of the template.

2 and 3, the bottom support mechanism 10 includes a base 110, a support table 120, a first rotating shaft 130 and a side plate 140. The bottom end of the first rotating shaft 130 is rotatably connected to the top of the base 110, and the top end of the first rotating shaft 130 is rotatably connected to the support At the bottom of the table 120 , there are two side plates 140 . The two side plates 140 are fixedly connected to both sides of the top of the support table 120 respectively, and the side plates 140 and the support table 120 are fixed by welding. A groove 111 is formed on the top of the base 110 , the bottom of the first shaft 130 is rotatably connected to the inner bottom end of the groove 111 , the top of the base 110 is formed with a first chute 112 , and the bottom of the support table 120 is provided with a second chute 122 . Steel balls 170 are installed between the grooves 112 and the second sliding grooves 122. The steel balls 170 are arranged in several groups. The first sliding grooves 112 and the second sliding grooves 122 are both annular structures. The steel balls 170 are in the first sliding grooves 112 and the second sliding grooves. The inside of the slot 122 slides and is used to assist the support table 120. The top of the support table 120 is provided with an installation slot 121, the top of the installation slot 121 is embedded with a cover plate 150, and an electromagnet 160 is installed inside the installation slot 121. The electromagnet 160 is used for After the power is turned on, the mold is adsorbed and fixed. The top of the support table 120 is provided with a threaded hole 123. The threaded hole 123 is screwed with a screw 180. The top of the screw 180 is fixedly connected with a hand wheel 190. The hand wheel 190 drives the screw 180 to rotate inside the threaded hole 123 , and the bottom of the screw 180 is used to fix the support table 120 when the bottom of the screw 180 contacts the base 110 .

Please refer to FIG. 4 , the clamping adjustment mechanism 20 includes a telescopic member 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 member 270 , and the telescopic member 210 is mounted on the side plate 140 side, one end of the transverse rod 220 is fixedly connected to the output end of the telescopic piece 210, the transverse rod 220 and the telescopic piece 210 are fixed by welding, the second rotating shaft 230 rotates through the side of the transverse rod 220, and the mounting frame 240 is provided with two , the two mounting brackets 240 are fixedly connected to the two ends of the second rotating shaft 230 respectively, the first clamping plate 250 and the second clamping plate 260 are respectively installed on both sides of the mounting bracket 240, between the first clamping plate 250 and the second clamping plate 260 and the installation bracket 240 Both are fixed by screws, the clamping member 270 is installed on one side of the cross bar 220 , and the clamping member 270 is clamped to the mounting frame 240 .

It should be noted that the telescopic piece 210 can be one of a cylinder, a hydraulic cylinder and an electric push rod, and the specific model and specifications of the telescopic piece 210 and the electromagnet 160 need to be selected and determined according to the actual specifications of the device. The selection calculation method adopts the prior art in the art, so it will not be described in detail. The power supply of the telescopic member 210 and the electromagnet 160 and the principle thereof are clear to those skilled in the art, and will not be described in detail here.

5 and 6, the mounting frame 240 includes a sleeve 241, a support rod 242 and a connecting plate 243. One end of the support rod 242 is fixedly connected to one side of the connecting plate 243, and the support rod 242 and the connecting plate 243 are fixed by welding. The other end of the rod 242 is fixedly connected to the outer side of the sleeve 241, and four connecting plates 243 are provided. 244, a slider 245 is slidably connected inside the third chute 244, a bolt 246 is screwed on the top of the connecting plate 243, the bottom of the bolt 246 is in contact with the top of the slider 245, and one end of the four sliders 245 is respectively connected to the first clamping plate 250 and the first clamping plate 245. Two clamping plates 260 and two sides of the sleeve 241 are provided with clamping slots 247 .

Please refer to FIG. 7 , the clamping member 270 includes a limit 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 bar 220 , one end of the limit rod 271 is movable through the fixing block 272 , and the limit rod The other end of 271 is fixedly connected to the pull ring 273, and the limit rod 271 and the pull ring 273 are integrally formed, wherein the limit rod 271 and the slot 247 can be snap-fitted, and the limit rod 271 is fixed at one end away from the fixing block 272 A limit block 274 is connected, a spring 275 is arranged between the limit block 274 and the fixing block 272 , and the spring 275 is sleeved outside the limit rod 271 .

The working principle of the magnesium alloy single-point incremental forming fixing tool: when in use, the mold is placed above the support table 120, the output end of the telescopic piece 210 extends to drive the cross bar 220 to move, and the cross bar 220 drives the mounting frame 240 and the splint to move, The splint between the two sets of mounting brackets 240 can clamp the outside of the fixed mold. The first splint 250 and the second splint 260 can adopt two different structures. The first splint 250 and the second splint 260 can be rotated and exchanged, and the clamping piece 270 is used to clamp and fix the mounting bracket 240, that is, to fix the position of the first splint 250 and the second splint 260, wherein the clamping piece is pulled outward. The pull ring 273 in 270, the spring 275 are compressed, and the end of the limit rod 271 is outside the slot 247. At this time, the mounting bracket 240 can be rotated to replace the first clamp plate 250 and the second clamp plate 260. When the splint 260 is in the vertical position, the pull ring 273 is released, and under the elastic force of the spring 275, the end of the limit rod 271 is clamped into the slot 247, so that the positions of the first splint 250 and the second splint 260 are fixed. For clamping molds with different outer shapes; the electromagnet 160 can be used to adsorb the bottom of the mold, so that the mold is stably fixed in the vertical direction. The setting of the first rotating shaft 130 can be used to manually rotate the support table 120, adjust the rotation angle of the mold, and cooperate with The screw 180 at the bottom of the handwheel 190 is screwed tightly so that the bottom presses the base 110 for fixing the support table 120 .

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

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).

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