CN218109090U - Hot-press forming die for clip-shaped elastic element - Google Patents

Abstract

The utility model provides a time type elastic element's thermoforming mould, include: the connecting die holder comprises a lower die holder and an upper die holder, and the upper die holder can be relatively far away from or close to the lower die holder; the forming module comprises a lower forming module and an upper forming module, the lower forming module is installed on the lower die base, and the upper forming module is installed on the upper die base; the positioning module is used for positioning the blank in the forming process; the guide module is used for performing sliding guide when the upper die base slides relative to the lower die base; and the quick connection module is arranged on the upper die base and is used for being quickly connected with the free forging hydraulic machine. The hot briquetting mould of returning type elastic element, make it can combine to adopt hot pressing technology preparation size specification large metal to return type elastic element with the free forging hydraulic press fast, rational in infrastructure, the assembly is convenient, uses reliably, has improved the precision and the efficiency of returning type elastic element processing preparation by a wide margin.

Description

Hot-press forming die for clip-shaped elastic element

Technical Field

The utility model relates to a metal elastic element makes technical field, in particular to return type elastic element's thermoforming mould, mainly applicable to bridge engineering shock attenuation power consumption damping device.

Background

In order to protect the bridge structure from being normally used after an earthquake in a large bridge structure in an earthquake high-intensity area, a large damping and energy-dissipating damping device needs to be installed. Three different types of dampers commonly used internationally today are: the damping device comprises a friction type damper, a liquid viscous damper and a metal damper, wherein the metal damper has the characteristics of good damping effect, clear damping mechanism, simplicity in manufacturing, low cost, easiness in maintenance and the like, is widely applied to a bridge structure and plays a good energy-consuming and damping role.

The metal clip type elastic element is used as a key part of an energy dissipation and shock absorption device, the main forming process at present adopts cold press forming, a whole steel plate is firstly cut to obtain a basic outline, and then cold press forming is carried out on a cold press die. The metal material has the characteristics of large deformation resistance, high residual stress, inconsistent cutting and processing deformation after forming and the like during cold forming, the processing precision of a product is seriously influenced, the size tolerance requirement of the product can be met after repeated reshaping, and meanwhile, the surface indentation of the product is obvious and the surface quality is poor due to repeated forming.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a hot press forming mold for a clip-shaped elastic element to overcome the defects of low processing efficiency and poor precision of the clip-shaped elastic element in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a hot press forming die for a clip-type elastic element comprises:

the connecting die holder comprises a lower die holder and an upper die holder, and the upper die holder can be relatively far away from or close to the lower die holder;

the forming module comprises a lower forming module and an upper forming module, the lower forming module is installed on the lower die base, and the upper forming module is installed on the upper die base; a die cavity of the clip-shaped elastic element is formed between the lower molding module and the upper molding module;

the positioning module is arranged on the lower forming module and/or the upper forming module and is used for positioning the blank in the forming process;

the guide module is used for performing sliding guide when the upper die base slides relative to the lower die base;

and the quick connection module is arranged on the upper die base and is used for being quickly connected with the free forging hydraulic machine.

Furthermore, the lower molding module comprises a first long transverse plate, a first wedge-shaped plate, a second wedge-shaped plate, a first short transverse plate and a second short transverse plate, the projections of the first long transverse plate, the first wedge-shaped plate, the second wedge-shaped plate, the first short transverse plate and the second short transverse plate on the lower die holder are enclosed into a 'return' type structure, the first wedge-shaped plate and the second wedge-shaped plate adopt wedge-shaped structures with opposite trends, and the upper surface of the first short transverse plate and the upper surface of the second short transverse plate are arranged in a step shape; correspondingly, it includes second oblong plate, third wedge plate, fourth wedge plate, third quarter slab, fourth quarter slab to go up the shaping module, the second oblong plate with first oblong plate corresponds the setting, the third wedge plate with the fourth wedge plate adopts the wedge structure of opposite trend, the upper surface of third quarter slab with be the step form between the upper surface of fourth quarter slab and arrange.

Further, lower shaping module and last shaping module adopt the same structure, go up second long diaphragm, third wedge plate, fourth wedge plate, third hyphen board, fourth hyphen board on the shaping module and first long diaphragm, first wedge plate, second wedge plate, first hyphen board and the short diaphragm upper surface subtend setting of second on the lower shaping module.

Further, the positioning module is arranged on the lower forming module, the positioning module comprises a first positioning plate, a second positioning plate and a third positioning plate, the first positioning plate is arranged in parallel with the first long transverse plate, the first positioning plate is arranged on the first long transverse plate, the second positioning plate is arranged on the first short transverse plate, and the third positioning plate is arranged on the second short transverse plate.

Furthermore, the positioning module is provided with two sets, one set is arranged on the upper surface of the lower forming module, and the other set is arranged on the lower surface of the upper forming module.

Further, the upper die base includes the cope match-plate pattern body two relative settings of cope match-plate pattern body connect the otic placode, connect the otic placode and be in the homonymy of cope match-plate pattern body sets up two, quick connect module sets up on the cope match-plate pattern body between two connection otic placodes of homonymy, quick connect module with it passes through connecting pin limit connection to connect the otic placode.

Furthermore, a positioning hole is formed in the center of the upper die plate body.

Furthermore, the guide module comprises a guide column and a guide sliding sleeve, the guide column and the guide sliding sleeve are respectively fixedly connected with the lower die base and the upper die base, and the guide column can slide in the guide sliding sleeve in a guide manner.

Furthermore, a locking device is arranged between the lower die holder and the upper die holder, and the locking device is used for integrally locking the lower die holder and the upper die holder.

Furthermore, locking device includes the pull rod the both ends of pull rod set up first drag hook, second drag hook respectively, wherein, first drag hook in the second drag hook at least one is the right angle drag hook, first drag hook with connection can be dismantled to spacing post on the die holder, the second drag hook with connection can be dismantled to spacing post on the cope match-plate pattern.

Compared with the prior art, the hot-press forming die for the clip-shaped elastic element has the following advantages:

(1) The hot briquetting mould of time type elastic element, make it can combine to adopt hot pressing technology to prepare the big metal of size specification to return the type elastic element fast with the free forging hydraulic press, rational in infrastructure, the assembly is convenient, uses reliably, has improved the precision and the efficiency of time type elastic element processing preparation by a wide margin.

(2) The hot briquetting mould of time type elastic element, through design quick connecting device, high-efficient centering device and high accuracy guider, realized accomplishing time type elastic element's high efficiency, high accuracy die forging forming technique on the hydraulic press is forged to the freedom, and can satisfy the small batch production of polytypic, both improved the efficiency and the product precision of jumbo size time type elastic element production, avoid this mould processing to bring cost-push by a wide margin again.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic side view of a hot press forming mold for a clip-shaped elastic element according to an embodiment of the present invention;

fig. 2 is a schematic side view of a second view angle of a thermoforming mold for a clip-shaped elastic element according to an embodiment of the present invention;

fig. 3 is an exploded view of a thermoforming mold for a clip-shaped elastic element according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a locking device according to an embodiment of the present invention;

fig. 5 is a schematic side view of a locking device according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the lower forming module and the upper forming module disposed opposite to each other according to the embodiment of the present invention;

fig. 7 is a schematic side view of the lower molding module according to the embodiment of the present invention;

fig. 8 is a schematic front view of the lower molding module according to the embodiment of the present invention;

fig. 9 is a schematic side view of the upper forming module according to the embodiment of the present invention;

fig. 10 is a schematic front view of the upper die base according to the embodiment of the present invention;

fig. 11 is a schematic side view of the upper die base according to the embodiment of the present invention;

fig. 12 is a schematic structural view of a clip-shaped elastic element blank according to an embodiment of the present invention;

fig. 13 is a schematic structural view of the processed clip-shaped elastic element according to the embodiment of the present invention;

description of reference numerals:

the lower die holder 1, the upper die holder 2, the stop collar 21, the upper die plate body 22, the spacing post 23, the connecting cylinder 2301, the spacing groove 2302, the positioning hole 24, the engaging lug plate 25, the connecting pin 26, the lower molding module 3, the first long transverse plate 31, the first wedge plate 32, the second wedge plate 33, the first short transverse plate 34, the second short transverse plate 35, the upper molding module 4, the second long transverse plate 41, the third wedge plate 42, the fourth wedge plate 43, the third short transverse plate 44, the fourth short transverse plate 45, the positioning module 5, the first positioning plate 51, the second positioning plate 52, the third positioning plate 53, the guide module 6, the guide post 61, the guide sliding sleeve 62, the cover plate 63, the locking device 7, the pull rod 71, the first drag hook 72, the second drag hook 73, the quick connecting module 8, the beam a, the front arm b, the front T-shaped plate c, the rear T-shaped plate d, and the rear arm e.

Detailed Description

In order to make the technical means and the objectives and functions of the present invention easy to understand, the embodiments of the present invention will be described in detail with reference to the specific drawings.

It should be noted that all terms used in the present invention for directional and positional indication, such as: the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "transverse", "longitudinal", "center", etc. are used only for explaining the relative positional relationship, connection conditions, etc. between the respective parts in a certain state (as shown in the drawings), and are only for convenience of describing the present invention, but not for the requirement that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-11, the utility model discloses a hot-forming die of clip-shaped elastic element, include:

the connecting die holder comprises a lower die holder 1 and an upper die holder 2, and the upper die holder 2 can be relatively far away from or close to the lower die holder 1;

the forming module comprises a lower forming module 3 and an upper forming module 4, wherein the lower forming module 3 is installed on the lower die holder 1, and the upper forming module 4 is installed on the upper die holder 2; a die cavity of the clip-type elastic element is formed between the lower molding module 3 and the upper molding module 4;

the positioning module 5 is arranged on the lower forming module 3 and/or the upper forming module 4 and is used for positioning the blank in the forming process;

the guide module 6 is used for performing sliding guide when the upper die holder 2 slides relative to the lower die holder 1;

and the quick connection module 8 is arranged on the upper die base 2 and is used for being quickly connected with the free forging hydraulic machine.

Because the metal clip-shaped elastic element has large size specification (the outline area exceeds 360000-1000000 mm) ² ) And the forming force is low (800 t-1600 t), and the equipment tonnage meeting the projection area in the existing hot die forging press is high (generally equal to or more than 6300 t), so that the equipment use cost is extremely high. The die forging forming press with a large working table surface, such as a head forming press, a corrugated pipe forming press and a stamping die matched press, has the characteristics of large operating table surface and small forming tonnage, but the press is usually only used for cold press forming and is not matched with equipment such as a large heating furnace, the assembly of the die is complex, the assembly period is long, the production efficiency is low, and the die forging forming press is suitable for mass production. The free forging hydraulic press has the advantages of large operation space, smaller equipment tonnage, long equipment operation stroke, complete matched heating equipment and the like, but the equipment has lower guide precision and cannot meet the requirement of precision die forging.

Time type elastic element's thermoforming mould, through setting up die holder 1 and the upper die base 2 that can relative movement, upper die base 2 is through quick connect module 8 and the hydraulic press quick connection of freely forging, before the use, on transporting the time type elastic element blank after the heating to the lower mould, make it at the quick accurate location of the 5 location modules of mould die cavity in the position of adjustment blank, when using, freely forge hydraulic press can drive upper die base 2 and slide from top to bottom along guide module 6, last shaping module 4 on the upper die base 2 slides from top to bottom along with it is integrative, and then makes last shaping module 4 and lower shaping module 3 closed, realizes time type elastic element blank moulding shaping in mould die cavity to realize time type elastic element's high accuracy, high efficiency, high surface quality and the shaping preparation of high dimensional stability, improve time type elastic element's preparation quality and efficiency.

The hot briquetting mould of time type elastic element, make it can combine to adopt hot pressing technology to prepare the big metal of size specification to return the type elastic element fast with the free forging hydraulic press, rational in infrastructure, the assembly is convenient, uses reliably, has improved the precision and the efficiency of time type elastic element processing preparation by a wide margin.

As a preferred example of the present invention, the lower forming module 3 includes a first long transverse plate 31, a first wedge plate 32, a second wedge plate 33, a first short transverse plate 34 and a second short transverse plate 35, the first long transverse plate 31, the first wedge plate 32, the second wedge plate 33, the first short transverse plate 34, the second short transverse plate 35 are in the projection on the lower die holder 1 is enclosed to be set into a "return" type structure, the first wedge plate 32 and the second wedge plate 33 adopt a wedge structure with opposite trend, the upper surface of the first short transverse plate 34 and the upper surface of the second short transverse plate 35 are arranged in a step shape.

Correspondingly, it includes second oblong plate 41, third wedge plate 42, fourth wedge plate 43, third short diaphragm 44, fourth short diaphragm 45 to go up shaping module 4, second oblong plate 41 with first oblong plate 31 corresponds the setting, third wedge plate 42 with fourth wedge plate 43 adopts the wedge structure of opposite trend, the upper surface of third short diaphragm 44 with be the step type between the upper surface of fourth short diaphragm 45 and arrange.

As an example of the present invention, the upper forming module 4 and the lower forming module 3 adopt the same structure, the upper surface of the second long transverse plate 41, the third wedge plate 42, the fourth wedge plate 43, the third short transverse plate 44, the fourth short transverse plate 45 on the upper forming module 4 and the upper surface of the first long transverse plate 31, the first wedge plate 32, the second wedge plate 33, the first short transverse plate 34 and the second short transverse plate 35 on the lower forming module 3 are arranged in the opposite direction when the upper die base 2 moves downwards, the die cavity between the upper forming module 4 and the lower forming module 3 can be closed to perform hot press forming on the return-type elastic element blank placed on the lower forming module 3. As a specific example of the present invention, first oblong plate 31, first wedge plate 32, second wedge plate 33, first hyphen plate 34 and second hyphen plate 35 on the lower forming module 3 set up, second oblong plate 41, third wedge plate 42, fourth wedge plate 43, third hyphen plate 44, fourth hyphen plate 45 on the upper forming module 4 set up down go up forming module 4 with lower forming module 3 corresponds under the assembled state, third wedge plate 42 with first wedge plate 32 corresponds the setting, first wedge plate 32 is the wedge structure that descends, third wedge plate 42 is the wedge structure that descends, fourth wedge plate 43 with second wedge plate 33 corresponds the setting, second wedge plate 33 is the trend that ascends, fourth wedge plate 43 also is the trend that ascends setting, second hyphen plate 35 upper surface is higher than the upper surface of first hyphen plate 34, the lower surface of fourth hyphen plate 45 is less than the lower surface of third hyphen plate 44, fourth hyphen plate 44 corresponds with third hyphen plate 35 sets up the setting, fourth hyphen plate 35 corresponds the setting with third hyphen plate 44.

This setting discloses a concrete structure of shaping module, through setting up lower forming module 3 and the last forming module 4 of the same structure, reduces forming die cost, guarantees back type elastic element blank and carries out moulding shaping's of hot pressing quality and efficiency.

As a preferred example of the present invention, the upper molding module 4 is mounted on the upper die base 2 through an upper backing plate, and the lower molding module 3 is mounted on the lower die base 1 through a lower backing plate. The forming module is fixed on the upper and lower backing plates through the fasteners, so that the structure of the forming module can be changed conveniently, the small-batch production of workpieces with different specifications can be realized, and the processing and manufacturing cost of the rectangular elastic element is further reduced.

As a preferred example of the present invention, the positioning module 5 includes a first positioning plate 51, a second positioning plate 52 and a third positioning plate 53, the first positioning plate 51 is parallel to the first longitudinal plate 31, the first positioning plate 51 is disposed on the first longitudinal plate 31, the second positioning plate 52 is disposed on the first longitudinal plate 34, and the third positioning plate 53 is disposed on the second longitudinal plate 35. As an example of the present invention, the first positioning plate 51 is disposed on the first longitudinal plate 31 and is away from the edge of one side of the first longitudinal plate 34, the second positioning plate 52 is disposed on the first longitudinal plate 34 and is away from the edge of one side of the first longitudinal plate 31, and the third positioning plate 53 is disposed on the second longitudinal plate 35 and is away from the edge of one side of the first longitudinal plate 31. Preferably, the two positioning modules 5 are provided, a set of positioning module 5 is correspondingly provided on the lower surface of the upper molding module 4, and the structure of the positioning module 5 provided on the upper molding module 4 is similar to the structure of the positioning module 5 provided on the lower molding module 3, and is not repeated herein. This setting is used for fixing a position fast the crossbeam a of returning the type elastic element blank through first locating plate 51 among the orientation module 5, is used for fixing a position fast preceding T template c and back T template d of returning the type elastic element blank through second locating plate 52, third locating plate 53 among the orientation module 5, guarantees the blank before taking shape and the accurate location of shaping in-process.

As a preferred example of the present invention, the upper die base 2 includes an upper die plate body 22, two relative sets of the upper die plate body 22 are connected to the ear plates 25, the connection ear plates 25 are in the same side of the upper die plate body 22 is provided with two, the quick connection module 8 is disposed between the two connection ear plates 25 on the same side of the upper die plate body 22, the quick connection module 8 and the connection ear plates 25 are connected in a spacing manner through the connecting pins 26. As an example of the present invention, the quick connection modules 8 are provided in two, the quick connection modules 8 are symmetrically arranged on two opposite sides of the upper template body 22. The arrangement further improves the efficient and quick connection of the upper die base 2 and the upper beam of the free forging hydraulic press.

As a preferred example of the present invention, a positioning hole 24 is provided at the center of the upper die plate body 22. This setting is convenient for realize time type elastic element's hot briquetting mould quick location when freely forging the hydraulic press assembly, further modified go up forming module 4 and lower forming module 3 compound die crimping time type elastic element blank's reliability.

As a preferred example of the present invention, the guiding module 6 includes a guiding post 61 and a guiding sliding sleeve 62, the guiding post 61, the guiding sliding sleeve 62 respectively with the lower die holder 1, the upper die holder 2 is fixedly connected, the guiding post 61 can slide in the guiding sliding sleeve 62. As an example of the utility model, guide module 6 sets up four sets, distributes the utility model discloses time four azimuths of type elastic element's thermoforming mould, guide post 61 interference fit is in on the die holder 1, 62 interference fit of direction sliding sleeve is in stop collar 21, stop collar 21 sets up cope match-plate pattern body 22's lower surface cope match-plate pattern body 22 upper surface sets up apron 63 to the position that corresponds stop collar 21, guarantees 2 holistic aesthetic properties of upper die base, avoids influencing guide module 6's normal use in the foreign matter gets into direction sliding sleeve 62 simultaneously.

This setting is convenient for time type elastic component is when the crimping shaping, along with the descending of upper die base 2, inside guide post 61 got into direction sliding sleeve 62 smoothly, guaranteed the accurate direction in the forming process, further improved time type elastic component's hot briquetting mould carries out the reliability that the moulding shaping of hot pressing used at the crimping time type elastic component blank.

Because the self-guiding precision of the free forging hydraulic machine matched with the hot-press forming die is low, in order to ensure that the guide column 61 and the guide sliding sleeve 62 realize efficient centering and positioning and avoid the danger of the guide column 61 and the guide sliding sleeve 62 in the closing process, the laser projection equipment is arranged on the free forging hydraulic machine, the longitudinal movable platform is moved to ensure that the center of the free forging hydraulic machine is superposed with the center of the hot-press forming die, and the quick and accurate positioning can be provided for the closing of the guide column 61 and the guide sliding sleeve 62. As the example of the utility model, the hot briquetting mould positioning accuracy is steerable within 2mm, improves mould location efficiency and mould life-span by a wide margin.

As a preferred example of the present invention, a locking device 7 is disposed between the lower die holder 1 and the upper die holder 2, and the locking device 7 is used for integrally locking the lower die holder 1 and the upper die holder 2.

As an example of the present invention, the locking device 7 includes a pull rod 71, the two ends of the pull rod 71 are respectively provided with a first drag hook 72 and a second drag hook 73, wherein, the first drag hook 72 is a right angle drag hook, at least one of the second drag hook 73 is a right angle drag hook, the first drag hook 72 is connected with the spacing post 23 on the lower die holder 1, the second drag hook 73 is connected with the spacing post 23 on the upper die holder 2. Preferably, the position-limiting column 23 includes a connecting cylinder 2301, a position-limiting groove 2302 is formed on the connecting cylinder 2301, and the first hook 72 and the second hook 73 of the locking device 7 are hooked on the position-limiting grooves 2302 of different position-limiting columns 23. As an example of the present invention, the locking device 7 is provided with four sets, and two sets of the locking devices are arranged on two opposite sides of the lower die holder 1 and/or the upper die holder 2.

Time type elastic element's thermoforming mould, through at the lower die holder 1 with set up locking device 7 between the upper die base 2, the quick hoist and mount that thermoforming mould can be integrated of being convenient for is transported to the vertical portable platform of freely forging the hydraulic press on, utilize the laser projection equipment of installation on the freely forging the hydraulic press, make the platform accurate removal to the hydraulic press below, make freely forging hydraulic press center and the locating hole 24 coincidence of upper die base 2 set for, both realized freely forging hydraulic press center and thermoforming mould's center coincidence setting, utilize the quick connect module 8 on the upper die base 2, make freely forging the hydraulic press and realize the high-speed joint with upper die base 2 and lock and die, remove die holder 1 afterwards with integrated locking device 7 between the upper die base 2. This setting has both made things convenient for the efficiency of transporting and assembling when returning type elastic element's hot briquetting mould and the assembly of free forging hydraulic press, also improved the reliability that hot briquetting mould used simultaneously. In addition, die holder 1 during common die forging is fixed on the platform usually, and the utility model provides a die holder 1 directly places on vertical portable hammering block with the backing plate assembly back, has left out die holder 1's fixed process, has simplified the assemble duration of mould and press by a wide margin, can realize the quick dismantlement of mould.

The hot press forming die of the clip-shaped elastic element prepares the clip-shaped elastic element blank shown in fig. 12 into the clip-shaped elastic element shown in fig. 13, and comprises the following specific steps:

firstly, mounting a die, namely firstly, assembling all modules of the die into a whole, integrally hoisting and transporting the die to a longitudinally movable platform of a free forging hydraulic machine through a locking device 7 integrating an upper die and a lower die, then starting the platform, precisely moving the platform to the lower part of the hydraulic machine by utilizing laser projection equipment mounted on the free forging hydraulic machine to ensure that the center of the free forging hydraulic machine is superposed with the center of the die, quickly connecting and locking the free forging hydraulic machine and an upper die base 2 by utilizing a quick connecting module 8 on the upper die base 2, and then releasing the locking device 7;

secondly, forming a workpiece, namely driving the upper die holder 2 to move upwards by using a free forging hydraulic machine to enable the die to be in a die opening state, transferring a heated return elastic element blank onto a lower forming module 3 of the lower die holder 1, wherein the return elastic element blank comprises a cross beam a, a front arm plate b, a front T-shaped plate c, a rear T-shaped plate d and a rear arm plate e, accurately positioning the blank in a die cavity by adjusting the position of the blank, and then driving the upper die holder 2 to move downwards by using the free forging hydraulic machine to close the die, so that the workpiece is plastically formed in the die cavity, and finally forming the structure shown in fig. 13;

and thirdly, driving the upper die holder 2 to move upwards by the free forging hydraulic machine to enable the die to be in a die opening state, and taking out the workpiece to complete the hot press forming of the double-die elastic element.

The hot briquetting mould of time type elastic element, through design quick connecting device, high-efficient centering device and high accuracy guider, realized accomplishing time type elastic element's high efficiency, high accuracy die forging forming technique on the hydraulic press is forged to the freedom, and can satisfy the small batch production of polytypic, both improved the efficiency and the product precision of jumbo size time type elastic element production, avoid this mould processing to bring by a wide margin cost-push again.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A hot press forming die for a clip-shaped elastic element is characterized by comprising:

the connecting die holder comprises a lower die holder (1) and an upper die holder (2), and the upper die holder (2) can be relatively far away from or close to the lower die holder (1);

the forming module comprises a lower forming module (3) and an upper forming module (4), the lower forming module (3) is installed on the lower die holder (1), and the upper forming module (4) is installed on the upper die holder (2); wherein a die cavity of the clip-shaped elastic element is formed between the lower molding module (3) and the upper molding module (4);

the positioning module (5) is arranged on the lower forming module (3) and/or the upper forming module (4) and is used for positioning the blank in the forming process;

the guide module (6) is used for performing sliding guide when the upper die holder (2) slides relative to the lower die holder (1);

and the quick connection module (8) is arranged on the upper die base (2) and is used for being quickly connected with the free forging hydraulic machine.

2. The hot-press forming die for the clip-type elastic element according to claim 1, wherein the lower forming module (3) comprises a first oblong plate (31), a first wedge-shaped plate (32), a second wedge-shaped plate (33), a first oblong plate (34) and a second oblong plate (35), the projections of the first oblong plate (31), the first wedge-shaped plate (32), the second wedge-shaped plate (33), the first oblong plate (34) and the second oblong plate (35) on the lower die base (1) are enclosed to form a 'clip' -shaped structure, the first wedge-shaped plate (32) and the second wedge-shaped plate (33) adopt wedge-shaped structures with opposite tendencies, and the upper surface of the first oblong plate (34) and the upper surface of the second oblong plate (35) are arranged in a step shape; correspondingly, go up into shaping module (4) and include second oblong plate (41), third wedge plate (42), fourth wedge plate (43), third short diaphragm (44), fourth short diaphragm (45), second oblong plate (41) with first oblong plate (31) corresponds the setting, third wedge plate (42) with fourth wedge plate (43) adopt the wedge structure of opposite trend, the upper surface of third short diaphragm (44) with be step form and arrange between the upper surface of fourth short diaphragm (45).

3. The hot-press forming die for the clip-shaped elastic element according to claim 2, wherein the lower forming module (3) and the upper forming module (4) adopt the same structure, and the second long transverse plate (41), the third wedge plate (42), the fourth wedge plate (43), the third short transverse plate (44) and the fourth short transverse plate (45) on the upper forming module (4) are arranged in the upper surface direction of the first long transverse plate (31), the first wedge plate (32), the second wedge plate (33), the first short transverse plate (34) and the second short transverse plate (35) on the lower forming module (3).

4. The thermoforming mold for clip-shaped elastic elements according to claim 3, characterized in that the positioning module (5) is disposed on the lower molding module (3), the positioning module (5) comprises a first positioning plate (51), a second positioning plate (52) and a third positioning plate (53), the first positioning plate (51) is disposed in parallel with the first long transverse plate (31), the first positioning plate (51) is disposed on the first long transverse plate (31), the second positioning plate (52) is disposed on the first short transverse plate (34), and the third positioning plate (53) is disposed on the second short transverse plate (35).

5. The thermoforming mold for clip-shaped elastic elements according to claim 4, characterized in that the positioning module (5) is provided in two sets, one set being provided on the upper surface of the lower molding module (3) and the other set being provided on the lower surface of the upper molding module (4).

6. The hot-press forming die for the clip-type elastic element according to any one of claims 1 to 5, wherein the upper die holder (2) comprises an upper die plate body (22), two connecting lug plates (25) are arranged on two opposite sides of the upper die plate body (22), two connecting lug plates (25) are arranged on the same side of the upper die plate body (22), the quick connection module (8) is arranged between the two connecting lug plates (25) on the same side of the upper die plate body (22), and the quick connection module (8) is in limit connection with the connecting lug plates (25) through connecting pins (26).

7. The die for hot press forming of a clip-shaped elastic member according to claim 6, wherein a positioning hole (24) is provided at the center of the upper die plate body (22).

8. The hot press forming die for the clip-shaped elastic element according to claim 6, wherein the guide module (6) comprises a guide post (61) and a guide sliding sleeve (62), the guide post (61) and the guide sliding sleeve (62) are fixedly connected with the lower die holder (1) and the upper die holder (2), respectively, and the guide post (61) can slide in the guide sliding sleeve (62) in a guiding manner.

9. The thermoforming mold for clip-shaped elastic elements, according to claim 1, 2, 3, 4, 5, 7 or 8, characterized in that a locking device (7) is provided between the lower die holder (1) and the upper die holder (2), the locking device (7) being used to lock the lower die holder (1) and the upper die holder (2) integrally.

10. The thermoforming mold of the clip-shaped elastic element according to claim 9, wherein the locking device (7) comprises a pull rod (71), a first draw hook (72) and a second draw hook (73) are respectively disposed at two ends of the pull rod (71), wherein at least one of the first draw hook (72) and the second draw hook (73) is a right-angle draw hook, the first draw hook (72) is detachably connected with the limit post (23) on the lower die holder (1), and the second draw hook (73) is detachably connected with the limit post (23) on the upper die holder (2).

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