CN216501922U - Combined high-strength die spring assembly - Google Patents

Abstract

The application provides a combined high strength mould spring unit belongs to mould spring technical field. The combined high-strength die spring assembly comprises a die spring body and a guide assembly. The die spring body is movably sleeved on the guide rod, the bottom end of the die spring body is sleeved on the mounting seat, the guide sleeve is movably sleeved on the top end of the guide rod, and the retainer is inserted at the bottom of the guide sleeve in a sliding mode. This combined high strength mould spring assembly pegs graft in mould spring body and sets up the mount pad in mould spring body bottom and fix it through setting up the guide arm, the guide pin bushing passes through the holder and slides and cup joints in the guide arm, the telescopic link carries out effectual spacing and guide to the slip of guide pin bushing, cause the mould spring to take place irreversible deformation when effectively having avoided guide pin bushing extrusion mould spring, by the guide arm, the mould spring assembly work precision that guide pin bushing and mould spring body combination formed is high, wear resistance is good, the locating performance is good.

Description

Combined high-strength die spring assembly

Technical Field

The application relates to the technical field of die springs, in particular to a combined high-strength die spring assembly.

Background

The stamping die can generate instant extrusion force in the using process to enable the upper die base to be combined with the lower die base in an extrusion way, so that materials placed between the upper die base and the lower die base can be extruded and formed, in the extrusion combining process of the upper die base and the lower die base, the upper die base and the lower die base can be accurately combined by guiding the upper die base and the lower die base through the guide pillar, meanwhile, the guide pillar and the guide groove need to be protected through a die spring to prevent violent rigid collision between the guide pillar and the guide groove from generating huge sound, the existing die spring assembly lacks the protection of the spring, irreversible deformation can be generated when collision occurs to influence the using accuracy of the die, meanwhile, the spring can not be effectively fixed, so that the shock absorption effect and the working precision of the spring are influenced by uneven stress of the spring in the using process, and therefore, how to invent a combined high-strength die spring assembly to improve the problems, the problem to be solved is urgently needed by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the application provides a combined high strength mould spring unit, aims at improving the problem that current spring lacks protection device, easily produces deformation and influences its machining precision and shock attenuation effect.

The embodiment of the application provides a combined high strength mould spring assembly, including mould spring body and direction subassembly.

The guide assembly comprises a guide rod, a mounting seat, a telescopic rod, a guide sleeve, an upper gland and a retainer, wherein the die spring body is movably sleeved on the guide rod, the mounting seat is sleeved at the bottom end of the guide rod, the bottom end of the die spring body is sleeved on the mounting seat, the telescopic rod is inserted at the top end of the guide rod, the guide sleeve is movably sleeved at the top end of the guide rod, one end of the telescopic rod, which is far away from the guide rod, is slidably penetrated through the top of the guide sleeve and fixedly connected with the upper gland, the retainer is slidably inserted at the bottom of the guide sleeve, and the inner wall of the retainer is slidably connected with the guide rod.

In the above-mentioned realization process, peg graft in mould spring body and set up the mount pad in mould spring body bottom and fix it through setting up the guide arm, the guide pin bushing cup joints in the guide arm through the holder slip, the inside telescopic link that sets up of guide pin bushing simultaneously, slide to the guide pin bushing carries out effectual spacing and guide, cause the mould spring to take place irreversible deformation when effectively having avoided guide pin bushing extrusion mould spring, by the guide arm, the mould spring subassembly work precision that guide pin bushing and mould spring body combination formed is high, wear resistance is good, the locating property is good.

In a specific embodiment, the upper gland is provided with a rubber plate, and the rubber plate is fixedly connected with the top of the upper gland.

In the above-mentioned realization process, go up the gland top and install the rubber slab, the rubber slab sets up between last gland and last mould, and the rubber slab provides protection and buffering for last gland, and the frictional force between gland and the upper die base is gone up in the rubber slab increase simultaneously, prevents to go up the gland and takes place lateral displacement.

In a specific embodiment, a limiting groove is formed in the side surface of the mounting seat, and the limiting groove is in limiting fit with the die spring body.

In the implementation process, the side face of the mounting seat is provided with the limiting groove in limiting fit with the spring mold body, so that the mounting seat has a better fixing effect on the mold spring body, and the mold spring body is more stably mounted.

In a specific embodiment, the limiting groove is a threaded groove opening, and the die spring body is in threaded sleeve connection with the limiting groove.

In the above-mentioned realization process, the spacing groove sets up to the notch of screw thread form, and mould spring body screw thread cup joints in the notch of screw thread form, and the spacing groove carries on spacingly simultaneously to the vertical displacement and the lateral displacement of mould spring body, and is better to the fixed effect of mould spring body.

In a specific embodiment, the telescopic link includes sliding sleeve, slide bar, limiting plate and innerspring, the sliding sleeve scarf joint with the guide arm top, the slide bar slide peg graft in the sliding sleeve top, limiting plate slidable mounting in inside the sliding sleeve and with slide bar fixed connection, the innerspring set up in inside the sliding sleeve and cup joint in the slide bar.

In a specific embodiment, the cage is provided with balls which engage in the cage side.

In the implementation process, the surface of the retainer is inlaid with the balls, and the balls rotate on the contact surface of the retainer and the guide sleeve, so that the friction force applied to the guide sleeve in the sliding process is reduced, and the guide sleeve can move more smoothly.

In a specific embodiment, the balls are provided with a plurality of groups, and the plurality of groups of balls are arrayed on the side face of the retainer.

In the implementation process, the multiple groups of balls are arranged on the side face of the retainer in an array mode, the friction reducing effect of the multiple groups of balls is better, and meanwhile the multiple groups of balls guide the sliding process of the guide sleeve, so that the guide sleeve can move more stably.

In a specific embodiment, the guide assembly further comprises a gasket, and the gasket is slidably sleeved on the guide rod and fixedly connected with the bottom of the retainer.

In the implementation process, the gasket is arranged at the bottom of the retainer and is in contact with the top end of the die spring body, so that the retainer is prevented from being in direct contact with the die spring body, and the retainer is prevented from directly extruding the die spring body to cause abrasion.

In a specific embodiment, the guide assembly further includes a limiting ring, and the limiting ring is sleeved on the guide rod and is fixedly connected with the bottom of the mounting seat.

In the implementation process, the limiting ring is arranged at the bottom of the mounting seat and limits the movement of the mounting seat, and the mounting seat is prevented from displacing after being subjected to extrusion force of the die spring body, so that the mounting precision of the die spring body is influenced.

In a specific embodiment, the guide assembly further comprises a lower pressing cover, and the lower pressing cover is movably inserted at the bottom of the guide rod.

In the above-mentioned realization process, the bottom of guide arm is pegged graft and is had lower gland, when the length of guide arm is not enough, pushes down the length that the gland is used for the extension guide arm, and lower gland also can take out not the installation when guide arm length is enough simultaneously.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a combined high strength die spring assembly according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a guide assembly according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of a steering assembly provided by an embodiment of the present application;

FIG. 4 is a schematic view of a mounting base structure provided in an embodiment of the present application;

fig. 5 is a schematic view of a guide sleeve structure provided in an embodiment of the present application;

fig. 6 is a schematic structural view of a telescopic rod provided in the embodiment of the present application.

In the figure: 100-a die spring body; 200-a guide assembly; 210-a guide bar; 220-a mounting seat; 221-a limiting groove; 230-a telescopic rod; 231-a sliding sleeve; 232-sliding bar; 233-limiting plate; 234-inner spring; 240-guide sleeve; 250-pressing a cover; 251-a rubber plate; 260-a cage; 261-a ball bearing; 270-a gasket; 280-a limit ring; 290-lower gland.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

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 application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

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 application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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.

Referring to fig. 1, the present application provides a combined high strength die spring assembly, which includes a die spring body 100 and a guide assembly 200.

Referring to fig. 2 and 3, the guiding assembly 200 includes a guide rod 210, a mounting seat 220, a telescopic rod 230, a guide sleeve 240, an upper gland 250 and a holder 260, the mold spring body 100 is movably sleeved on the guide rod 210, the mounting seat 220 is sleeved on the bottom end of the guide rod 210, the bottom end of the mold spring body 100 is sleeved on the mounting seat 220, the telescopic rod 230 is inserted on the top end of the guide rod 210, the guide sleeve 240 is movably sleeved on the top end of the guide rod 210, one end of the telescopic rod 230, which is far away from the guide rod 210, is slidably penetrated on the top of the guide sleeve 240 and fixedly connected with the upper gland 250, the holder 260 is slidably inserted on the bottom of the guide sleeve 240, and the inner wall of the holder 260 is slidably connected with the guide rod 210.

In other embodiments, the upper gland 250 is provided with a rubber plate 251, the rubber plate 251 is fixedly connected to the top of the upper gland 250, the rubber plate 251 provides protection and buffering for the upper gland 250, and the rubber plate 251 increases the friction force between the upper gland 250 and the upper mold base to prevent the upper gland 250 from being displaced laterally.

Referring to fig. 4, a limiting groove 221 is formed in a side surface of the mounting seat 220, and the limiting groove 221 is in limiting fit with the die spring body 100, so that the mounting seat 220 has a better fixing effect on the die spring body 100, and the die spring body 100 is more stably mounted.

In other embodiments, the limiting groove 221 is configured as a thread-shaped notch, the die spring body 100 is sleeved in the limiting groove 221 in a threaded manner, the limiting groove 221 limits the vertical displacement and the transverse displacement of the die spring body 100 at the same time, and the fixing effect on the die spring body 100 is better.

Referring to fig. 6, the telescopic rod 230 includes a sliding sleeve 231, a sliding rod 232, a limiting plate 233 and an inner spring 234, the sliding sleeve 231 is embedded in the top end of the guide rod 210, the sliding rod 232 is slidably inserted into the top of the sliding sleeve 231, the limiting plate 233 is slidably mounted inside the sliding sleeve 231 and fixedly connected to the sliding rod 232, and the inner spring 234 is disposed inside the sliding sleeve 231 and sleeved on the sliding rod 232.

Referring to fig. 5, the retainer 260 is provided with balls 261, the balls 261 are embedded in the side surfaces of the retainer 260, and the balls 261 rotate on the contact surface of the retainer 260 and the guide sleeve 240, so that the friction force applied to the guide sleeve 240 in the sliding process is reduced, and the guide sleeve 240 moves more smoothly.

In other embodiments, the balls 261 are provided with multiple groups, the multiple groups of balls 261 are arranged in an array on the side of the holder 260, the friction reducing effect of the multiple groups of balls 261 is better, and meanwhile, the multiple groups of balls 261 guide the sliding process of the guide sleeve 240, so that the guide sleeve 240 moves more stably.

In other embodiments, the guide assembly 200 further includes a spacer 270, the spacer 270 is slidably sleeved on the guide rod 210 and fixedly connected to the bottom of the retainer 260, and the spacer 270 contacts with the top end of the die spring body 100 to prevent the retainer 260 from directly contacting the die spring body 100, so as to prevent the retainer 260 from directly pressing the die spring body 100 to cause abrasion.

In other embodiments, the guiding assembly 200 further includes a limiting ring 280, the limiting ring 280 is sleeved on the guide rod 210 and is fixedly connected to the bottom of the mounting seat 220, the limiting ring 280 limits the movement of the mounting seat 220, and the mounting seat 220 is prevented from being displaced after being subjected to the extrusion force of the die spring body 100, so that the mounting accuracy of the die spring body 100 is affected.

In other embodiments, the guide assembly 200 further includes a lower cover 290, the lower cover 290 is movably inserted into the bottom of the guide bar 210, when the length of the guide bar 210 is insufficient, the lower cover 290 is used to increase the length of the guide bar 210, and when the length of the guide bar 210 is sufficient, the lower cover 290 can be removed and not installed.

The working principle of the combined high-strength die spring assembly is as follows: the die spring body 100 is sleeved on the guide rod 210, the die spring body 100 is rotated, the bottom end of the die spring body 100 is installed on the installation seat 220 in a threaded mode, the top end of the die spring body 100 is sequentially sleeved with the gasket 270, the holder 260 and the guide sleeve 240, in use, the upper die base moves downwards to extrude the upper pressing cover 250, the upper pressing cover 250 moves downwards to drive the telescopic rod 230 to contract, the upper pressing cover 250 continues to move to be in contact with the top end of the guide sleeve 240 to drive the guide sleeve 240 to move downwards, the holder 260 at the bottom of the guide sleeve 240 is driven to move downwards to extrude the gasket 270, the gasket 270 extrudes the die spring body 100, the die spring body 100 contracts, the guide rod 210 and the holder 260 guide the vertical movement of the guide sleeve 240, the die spring body 100 is protected from extrusion forces in other directions, and the die spring body 100 is prevented from being deformed.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. 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.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A combined high-strength die spring assembly is characterized by comprising

A die spring body (100);

the guide assembly (200), the guide assembly (200) includes a guide rod (210), a mounting seat (220), a telescopic rod (230), a guide sleeve (240), an upper gland (250) and a retainer (260), the die spring body (100) is movably sleeved on the guide rod (210), the mounting seat (220) is sleeved on the bottom end of the guide rod (210), the bottom end of the die spring body (100) is sleeved on the mounting seat (220), the telescopic rod (230) is inserted at the top end of the guide rod (210), the guide sleeve (240) is movably sleeved at the top end of the guide rod (210), one end of the telescopic rod (230) far away from the guide rod (210) penetrates through the top of the guide sleeve (240) in a sliding manner and is fixedly connected with the upper gland (250), the retainer (260) is inserted at the bottom of the guide sleeve (240) in a sliding manner, and the inner wall of the retainer (260) is connected with the guide rod (210) in a sliding manner.

2. The combination high strength die spring assembly according to claim 1, wherein the upper gland (250) is provided with a rubber plate (251), and the rubber plate (251) is fixedly connected with the top of the upper gland (250).

3. The combined high-strength die spring assembly as claimed in claim 1, wherein a limiting groove (221) is formed in a side surface of the mounting seat (220), and the limiting groove (221) is in limiting fit with the die spring body (100).

4. The combined high-strength die spring assembly according to claim 3, wherein the limiting groove (221) is a threaded notch, and the die spring body (100) is threaded and sleeved in the limiting groove (221).

5. The combined high-strength die spring assembly according to claim 1, wherein the telescopic rod (230) comprises a sliding sleeve (231), a sliding rod (232), a limiting plate (233) and an inner spring (234), the sliding sleeve (231) is embedded in the top end of the guide rod (210), the sliding rod (232) is slidably inserted into the top of the sliding sleeve (231), the limiting plate (233) is slidably mounted inside the sliding sleeve (231) and fixedly connected with the sliding rod (232), and the inner spring (234) is disposed inside the sliding sleeve (231) and sleeved on the sliding rod (232).

6. The combination high strength die spring assembly according to claim 1, wherein the holder (260) is provided with a ball (261), the ball (261) being engaged with a side of the holder (260).

7. The combination high strength die spring assembly of claim 6 wherein said balls (261) are provided in a plurality of sets, said plurality of sets of balls (261) being arrayed laterally of said cage (260).

8. The combined high strength die spring assembly of claim 1, wherein the guiding assembly (200) further comprises a gasket (270), and the gasket (270) is slidably sleeved on the guide rod (210) and fixedly connected with the bottom of the holder (260).

9. The combined high-strength die spring assembly according to claim 1, wherein the guide assembly (200) further comprises a limiting ring (280), and the limiting ring (280) is sleeved on the guide rod (210) and is fixedly connected with the bottom of the mounting seat (220).

10. The combination high strength die spring assembly of claim 1, wherein the guide assembly (200) further comprises a lower cover (290), the lower cover (290) being movably inserted into the bottom of the guide bar (210).

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