CN219093237U

CN219093237U - Bending die for U-shaped blank pressing of pull rod

Info

Publication number: CN219093237U
Application number: CN202223428033.5U
Authority: CN
Inventors: 孙丰丰
Original assignee: Ma'anshan Tuojia Precision Machinery Parts Co ltd
Current assignee: Ma'anshan Tuojia Precision Machinery Parts Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-30
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a bending die for a U-shaped blank holder of a pull rod, and belongs to the technical field of bending dies. The utility model relates to a bending die for a U-shaped blank pressing of a pull rod, which comprises a die main body and a die sleeve seat, wherein the die main body is arranged above the die sleeve seat, a storage seat groove is formed in the die sleeve seat, and correction bracket grooves are formed in two ends of the storage seat groove. In order to solve the problem that the U-shaped blank pressing die can be worn and loosened along with the time lapse of use, the connecting part of the U-shaped die structure inside the U-shaped blank pressing die can be worn and loosened, at the moment, when the matched pressing plate is used for bending operation, the U-shaped plate can be folded in place, the extending pin rod can extrude the U-shaped die plate, the extrusion angle of the pin rod of the inclined plane structure to the U-shaped die plate is in direct proportion to the bending angle of the pressing plate to the plate, and therefore the U-shaped die plate can be attached to the outer side of the bending piece by the pin rod in the bending process, and the situation that the U-shaped die plate is worn and loosened is avoided.

Description

Bending die for U-shaped blank pressing of pull rod

Technical Field

The utility model relates to the technical field of bending dies, in particular to a bending die for a U-shaped blank holder of a pull rod.

Background

The bending die is a tool for forming and processing the sheet metal part by a bending machine, and is generally composed of an upper die assembly and a lower die assembly, and different bending dies are matched according to different product processing requirements, so that the processing of the appearance of an article is realized mainly through the change of the physical state of a formed material, and the sheet metal part is made into a tool with a specific shape and size;

the Chinese patent with the publication number of CN217990636U discloses a U-shaped bending die with adjustable width, through the cooperation of pendulum block, shaping groove, floating block, spacing spring, side reset dog, reset spring and positioning bolt, utilizes positioning bolt, makes side reset dog pass through the slide rail and removes adjustment mutual distance, only need change the tool bit of bending of mould subassembly, can process the U-shaped piece of bending of multiple unidimensional, has satisfied the production demand, need not to be equipped with multiple bending die, has reduced bending device's cost.

In the above patent, the connection part of the U-shaped mold structure in the U-shaped edge pressing mold is worn and loosened along with the use time, and at the moment, when the U-shaped plate is matched with the pressing plate to perform bending operation, the problem that the U-shaped plate cannot be folded in place occurs; therefore, the existing requirements are not met, and a bending die for a U-shaped blank holder of a pull rod is provided.

Disclosure of Invention

The utility model aims to provide a bending die for a U-shaped blank pressing of a pull rod, an extended pin rod can extrude a U-shaped die plate, the extrusion angle of the pin rod of an inclined plane structure to the U-shaped die plate is in direct proportion to the bending angle caused by a pressing plate to a plate piece, so that the U-shaped die plate can be abutted against the outer side of the bending piece by the pin rod in the bending process, the situation that the U-shaped die plate is worn and loosened is avoided, and the problems in the prior art can be solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mould of bending of pull rod U type blank holder, includes mould main part and mould cover seat, the mould main part sets up the top at the mould cover seat, the inside of mould cover seat is provided with the collecting seat groove, and the both ends in collecting seat groove all are provided with the correction bracket, the bottom of mould cover seat is provided with integrated into one piece's installation page or leaf board, and the surface of installation page or leaf board is provided with the screw, the mould main part includes mould support and U-shaped template, and the U-shaped template has two, the inside of mould support is provided with the pendulum groove, and the bottom of pendulum groove is provided with movable axis, the U-shaped template rotates with the mould support through movable axis and is connected.

Preferably, the bottom of the U-shaped template is provided with a ring groove, the ring groove is in fit connection with the movable center shaft, and one side of the top of the ring groove is provided with an alignment groove.

Preferably, the surfaces of the two sides of the swing groove are respectively provided with an inclined surface penetrating groove, and the inclined surface penetrating grooves penetrate through and extend to the bottom of the die support.

Preferably, a pin rod is arranged in the inclined plane through groove and is in sliding connection with the inclined plane through groove, and a supporting spring is arranged on the outer side of the bottom of the pin rod.

Preferably, one end of the supporting spring is attached to the bottom of the mold support, and the other end of the supporting spring is attached to the mold sleeve seat.

Preferably, a buffer partition is arranged above the movable center shaft and is positioned between the U-shaped templates, template correction blocks are arranged on the surfaces of two sides of the buffer partition, and the template correction blocks are in fit connection with the alignment grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the die structure is constructed to be pressure-lowered by the pressing plate, the pin rods arranged in the sleeve seat can be stretched out through the inclined plane through grooves, the stretched pin rods can extrude the U-shaped die plate, the extrusion angle of the pin rods of the inclined plane structure to the U-shaped die plate is in direct proportion to the bending angle caused by the pressing plate to the plate, so that the U-shaped die plate can be abutted against the outer side of the bending piece by the pin rods in the bending process, the situation that the U-shaped die plate is worn and loosened is avoided, and after the pressure of the pressing plate is lost, the spring structure at the outer side of the pin rods can jack up the die again, and reset is realized;

2. according to the utility model, the buffer partition can play a role in buffering the bottoms of the template structures at two sides in the folding process of the U-shaped template, the buffer partition adopts a hard rubber structure, and the template is not worn in the contact process.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is a schematic diagram of the overall exploded structure of the present utility model;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of the structure of the movable bottom bracket of the present utility model.

In the figure: 1. a mold body; 2. a die sleeve seat; 101. a mold support; 102. a U-shaped template; 103. a movable center shaft; 1011. the inclined plane penetrates through the groove; 1012. a swinging groove; 1013. a support spring; 1014. a pin rod; 1021. a ring groove; 1022. an alignment groove; 1031. a template correction block; 1032. buffer partition; 201. correcting the bracket; 202. installing a page plate; 203. and a receiving seat groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a bending die of pull rod U type blank holder, including mould main part 1 and mould cover seat 2, mould main part 1 sets up in the top of mould cover seat 2, the inside of mould cover seat 2 is provided with receiving seat groove 203, receiving seat groove 203 both ends all are provided with correction bracket 201, the bottom of mould cover seat 2 is provided with integrated into one piece's installation page board 202, the surface of installation page board 202 is provided with the screw, mould main part 1 includes mould support 101 and U-shaped template 102, U-shaped template 102 has two, the inside of mould support 101 is provided with pendulum groove 1012, the bottom of pendulum groove 1012 is provided with movable axis 103, U-shaped template 102 rotates with mould support 101 through movable axis 103 to be connected;

the plate is arranged above the die main body 1, then the plate is pressed down through the pressing plate, at the moment, the plate moves towards the inner side of the U-shaped die plate 102, along with the reduction of the bending angle of the plate, the included angle between the U-shaped die plates 102 at the two sides also becomes smaller until the plate contacts with the bottom of the U-shaped die plate 102, and therefore the bending operation of the plate is completed;

the telescopic structure is arranged between the die main body 1 and the die sleeve seat 2, and the die main body 1 can be embedded into the die sleeve seat 2 along with the downward pressing of the pressing plate and is matched with the correction bracket 201 at two ends of the die sleeve seat 2 to limit the moving track.

Referring to fig. 2-3, an annular groove 1021 is formed at the bottom of the u-shaped template 102, the annular groove 1021 is in fit connection with a movable center shaft 103, an alignment groove 1022 is formed at one side of the top of the annular groove 1021, inclined penetrating grooves 1011 are formed on the surfaces of two sides of the swinging groove 1012, the inclined penetrating grooves 1011 extend to the bottom of the mold support 101 in a penetrating manner, a pin 1014 is arranged in the inclined penetrating grooves 1011, the pin 1014 is in sliding connection with the inclined penetrating grooves 1011, a supporting spring 1013 is arranged at the outer side of the bottom of the pin 1014, one end of the supporting spring 1013 is fit with the bottom of the mold support 101, and the other end of the supporting spring 1013 is fit with the mold sleeve seat 2;

when the die structure is constructed to be pressure-reduced by the pressing plate, the pin 1014 arranged in the sleeve seat can be stretched out through the inclined plane through groove 1011, the stretched pin 1014 can extrude the U-shaped die plate 102, the extrusion angle of the pin 1014 with the inclined plane structure to the U-shaped die plate 102 is in direct proportion to the bending angle caused by the pressing plate to the plate, in the bending process, the U-shaped die plate 102 can be attached to the outer side of the bending piece by the pin 1014, the situation that the U-shaped die plate 102 is worn and loosened is avoided, and after the pressure of the pressing plate is lost, the spring structure on the outer side of the pin 1014 can jack up the die again, so that the resetting is realized.

Referring to fig. 2 and 4, a buffer partition 1032 is disposed above the movable center shaft 103, the buffer partition 1032 is located between the U-shaped templates 102, and template correction blocks 1031 are disposed on the surfaces of two sides of the buffer partition 1032, and the template correction blocks 1031 are in fit connection with the alignment slots 1022;

the buffer partition 1032 can play a role in buffering the bottoms of the template structures at two sides in the folding process of the U-shaped template 102, the buffer partition 1032 adopts a hard rubber structure, and the template is not worn in the contact process;

template correction blocks 1031 are further designed on two sides of the buffer partition 1032, and when the U-shaped templates 102 are folded, the template correction blocks 1031 can be embedded into the alignment grooves 1022 at the bottom of the U-shaped templates 102, so that dislocation between the U-shaped templates 102 can be avoided.

The working principle is that a telescopic structure is arranged between the die main body 1 and the die sleeve seat 2, the die main body 1 can be embedded into the die sleeve seat 2 along with the downward pressing of the pressing plate, the correction bracket 201 at two ends of the die sleeve seat 2 is matched for limiting the moving track, the plate is placed above the die main body 1 during use, then the plate is pressed down through the pressing plate, at the moment, the plate can move towards the inner side of the U-shaped die plate 102, along with the reduction of the bending angle of the plate, the included angle between the U-shaped die plates 102 at two sides can also be reduced until the plate is contacted with the bottom of the U-shaped die plate 102, thus the bending operation of the plate is completed, the pressing plate can be stretched out through the inclined plane penetrating groove 1011 when the die structure is formed into pressure by the pressing plate, the stretched pin 1014 can be extruded on the U-shaped die plate 102, the extrusion angle of the inclined plane structure of the pin 1014 is in proportion to the bending angle caused by the pressing plate, the U-shaped die plate 102 can be attached to the outer side of the bending piece by the pin 1014 in the bending process, and the situation that the pin 1014 is loose on the outer side of the die plate 102 is lost after the pressing plate is lost, and the reset structure is prevented from being damaged, and the die structure is reset.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bending die of pull rod U type blank holder, includes mould main part (1) and mould cover seat (2), its characterized in that: the die body (1) is arranged above the die sleeve seat (2), a storage seat groove (203) is formed in the die sleeve seat (2), correction supporting grooves (201) are formed in two ends of the storage seat groove (203), an integrally formed mounting page plate (202) is arranged at the bottom of the die sleeve seat (2), screw holes are formed in the outer surface of the mounting page plate (202), the die body (1) comprises a die support (101) and U-shaped templates (102), the two U-shaped templates (102) are arranged, a swinging groove (1012) is formed in the die support (101), a movable center shaft (103) is arranged at the bottom of the swinging groove (1012), and the U-shaped templates (102) are rotationally connected with the die support (101) through the movable center shaft (103).

2. The bending die for the U-shaped blank holder of the pull rod according to claim 1, wherein: the bottom of the U-shaped template (102) is provided with an annular groove (1021), the annular groove (1021) is in fit connection with the movable center shaft (103), and one side of the top of the annular groove (1021) is provided with an alignment groove (1022).

3. The bending die for the U-shaped blank holder of the pull rod according to claim 2, wherein: the surfaces of the two sides of the swing groove (1012) are respectively provided with an inclined surface penetrating groove (1011), and the inclined surface penetrating grooves (1011) penetrate and extend to the bottom of the die support (101).

4. A bending die for a U-shaped blank for a tie rod according to claim 3, wherein: the inside of the inclined plane through groove (1011) is provided with a pin rod (1014), the pin rod (1014) is in sliding connection with the inclined plane through groove (1011), and the outer side of the bottom of the pin rod (1014) is provided with a supporting spring (1013).

5. The bending die for the U-shaped blank holder of the pull rod according to claim 4, wherein: one end of the supporting spring (1013) is attached to the bottom of the die support (101), and the other end of the supporting spring (1013) is attached to the die sleeve seat (2).

6. The bending die for the U-shaped blank holder of the pull rod according to claim 5, wherein: the upper part of the movable center shaft (103) is provided with a buffer partition (1032), the buffer partition (1032) is positioned between the U-shaped templates (102), the surfaces of two sides of the buffer partition (1032) are provided with template correction blocks (1031), and the template correction blocks (1031) are in fit connection with the alignment grooves (1022).