CN113649455B

CN113649455B - Material stretching and folding nail frame

Info

Publication number: CN113649455B
Application number: CN202110946303.2A
Authority: CN
Inventors: 冯建军; 洪霏; 吴浩; 陈飞; 周小兵
Original assignee: Nantong Chaoda Machinery And Technology Co ltd
Current assignee: Nantong Chaoda Machinery And Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2023-03-24
Anticipated expiration: 2041-08-18
Also published as: CN113649455A

Abstract

The invention discloses a material stretching and folding nail frame which comprises an outer frame, a left material section, a right material section and side material sections, wherein the left material section and the right material section are arranged on the periphery in the outer frame, the side material sections are symmetrically arranged, a plurality of material nail assemblies are arranged on the left material section, the right material section and the side material sections, the left material section is fixedly arranged in the outer frame, two ends of the right material section are fixedly connected with the side material sections respectively, and the side material sections sequentially comprise a second fixing section, a folding section and a stretching part from left to right. The invention can form the needed product by using few materials through the operations of stretching and folding the materials on different material sections, and the arrangement of the internal structure of the invention can avoid the problem of material wrinkles caused by stretching in the forming process, thereby avoiding material waste, improving the success rate of material forming and reducing the production cost.

Description

Material stretching and folding nail frame

Technical Field

The invention belongs to the field of manufacturing of automobile part materials, and particularly relates to a material stretching and folding nail frame.

Background

Stretch processing is one of the important processing steps of material, and traditional stretch processing mainly is realized through tensile mould, causes the material to warp very easily when the compound die, leads to the work piece to produce the fold, and the shaping effect is poor, causes the material extravagant, scrapes colored work piece easily when the die parting moreover, and the nail frame that needs to develop to this kind of problem promptly can satisfy tensile and folding demand at present, does not produce the fold, is suitable for the material frame of production demand.

Disclosure of Invention

The invention aims to provide a material stretching and folding nail frame, which can be used for forming a required product by using few materials through operations of stretching and folding materials on different material sections, and the arrangement of the internal structure of the nail frame can avoid the problem of material wrinkles caused by stretching in the forming process, avoid material waste, improve the success rate of material forming and reduce the production cost.

In order to solve the technical problem, the invention provides a material stretching and folding nail frame which comprises an outer frame, a left material section, a right material section and side material sections, wherein the left material section and the right material section are arranged on the periphery in the outer frame;

the left material section is fixedly arranged in the outer frame, two ends of the right material section are respectively and fixedly connected with the side material sections, the right material section comprises a right fixed section, and a folding and stretching part and a connecting rod which are arranged at two ends of the right fixed section, the right fixed section is movably connected with the folding and stretching part, and the folding and stretching part is movably connected with the connecting rod;

side material section from left to right includes second canned paragraph, folding section and tensile portion in proper order, the left end of second canned paragraph with the left side material section is connected, the right-hand member through first rotation axis with folding section is connected, the fixed first swinging boom that is equipped with in the outside of folding section, first rotation axis passes first swinging boom with the frame is connected, folding section with tensile portion passes through the second rotation axis and connects, keeps away from folding section the tensile portion outside is equipped with the second swinging boom, the second swinging boom with tensile portion passes through the third rotation axis and connects, the second swinging boom pass through the fourth rotation axis with the frame is connected.

Further, the right side material section further comprises a connecting piece and a pair of die supports arranged on the connecting piece, the connecting piece is arranged on the outer side of the connecting rod, and two ends of the connecting piece are fixedly connected with the side material sections respectively.

Further, the material nail component comprises a fixing block and a plurality of material nails arranged on the fixing block.

Furthermore, the folding and stretching part comprises a plurality of folding and stretching connecting blocks and a first material frame guide post, the folding and stretching connecting blocks are sleeved on the first material frame guide post, and the material nail assembly is arranged above each folding and stretching connecting block.

Furthermore, the stretching part comprises a plurality of stretching connecting blocks and a second material frame guide pillar, the stretching connecting blocks are sleeved on the second material frame guide pillar, and the material nail component is arranged above each stretching connecting block.

The invention has the beneficial effects that:

1. the invention can use few materials to form the needed product through the operations of stretching and folding materials on different material sections, and the like, thereby reducing the material input cost;

2. through the setting of first swinging boom and second swinging boom, make folding, tensile that the material can be very steady, can not avoid the material extravagant because of the problem of tensile production material fold in the forming process, improved the fashioned success rate of material.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of an initial state of a stretch-fold nail frame of material of the present invention;

FIG. 2 is a schematic view of the material stretch-fold nail frame of the present invention in an operative condition;

FIG. 3 is a partial schematic view of the right side panel of the material stretch folding nail frame of the present invention in an operative condition;

in the figure: 1-outer frame, 2-left side material section, 3-right side material section, 4-side material section, 5-material nail component, 6-first rotating shaft, 7-first rotating arm, 8-second rotating shaft, 9-second rotating arm, 10-third rotating shaft, 11-fourth rotating shaft, 30-right side fixed section, 31-folding stretching part, 32-connecting rod, 33-connecting piece, 34-mould bracket, 310-folding stretching connecting block, 311-first material frame guide pillar, 40-side fixed section, 41-folding section, 42-stretching part, 420-stretching connecting block, 421-second material frame guide pillar, 50-fixed block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In an embodiment of the present invention, as shown in fig. 1, a material stretching and folding nail frame includes an outer frame 1, a left material section 2 and a right material section 3 which are arranged around the outer frame 1, and side material sections 4 which are symmetrically arranged with each other, wherein a plurality of material nail assemblies 5 are respectively arranged on the left material section 2, the right material section 3, and the side material sections 4, the material nail assemblies 5 include a fixing block 50 and a plurality of material nails arranged on the fixing block 50, the left material section 2 is fixedly arranged in the outer frame 1, and two ends of the right material section 3 are respectively fixedly connected with the side material sections 4.

As shown in fig. 2, the side material segment 4 sequentially includes a second fixed segment 40 from left to right, a folding segment 41 and a stretching portion 42, the left end of the second fixed segment 40 is connected with the left material segment 2, the right end is connected with the folding segment 41 through a first rotating shaft 6, a first rotating arm 7 is fixedly arranged on the outer side of the folding segment 41, the first rotating shaft 6 passes through the first rotating arm 7 and is connected with the outer frame 1, the folding segment 41 is connected with the stretching portion 42 through a second rotating shaft 8, a second rotating arm 9 is arranged on the outer side of the stretching portion 42 far away from the folding segment 41, the second rotating arm 9 is connected with the stretching portion 42 through a third rotating shaft 10, the second rotating arm 9 is connected with the outer frame 1 through a fourth rotating shaft 11, the stretching portion 42 includes a plurality of stretching connection blocks 420 and a second material frame guide pillar 421, the plurality of stretching connection blocks 420 are sleeved on the second material frame guide pillar 421, and a material nail assembly 5 is arranged above each stretching connection block 420.

As shown in fig. 3, the right material section 3 includes a right fixed section 30, and a folding and stretching portion 31 and a connecting rod 32 which are disposed at two ends of the right fixed section 30, the right fixed section 30 is movably connected with the folding and stretching portion 31, the folding and stretching portion 31 is movably connected with the connecting rod 32, the folding and stretching portion 31 includes a plurality of folding and stretching connecting blocks 310 and a first material frame guide pillar 311, the plurality of folding and stretching connecting blocks 310 are sleeved on the first material frame guide pillar 311, and a material nail assembly 5 is disposed above each folding and stretching connecting block 310; the right side material section 3 further comprises a connecting piece 33 and a pair of mold supports 34 arranged on the connecting piece 33, the connecting piece 33 is arranged on the outer side of the connecting rod 32, and two ends of the connecting piece 33 are fixedly connected with the side material sections 4 respectively.

When the material stretching and folding nail frame (hereinafter referred to as a nail frame) is used, a die is in a die opening state, the die opening distance between an upper die and a lower die is far greater than the height of the nail frame, a guide pillar and a material inserting pillar are arranged in the upper die, and the guide pillar can contact a first rotating arm 7 and a second rotating arm 9 on a side material section 4 during die closing so as to enable the first rotating arm 7 and the second rotating arm 9 to rotate; the material inserting column can contact the right fixed section 30 on the right material section 3 to limit the movement of the right fixed section 30; an air cylinder is arranged below the die support 34 on the right material section 3, and the air cylinder can drive the die support 34 to move upwards;

firstly, flatly paving a material on a nail frame, then feeding the nail frame paved with the material into an oven to heat the material, moving out the nail frame after heating for a period of time, placing the nail frame on a slide rail matched with a mold, and sliding the nail frame paved with the material to a position between an upper mold and a lower mold through the slide rail;

starting die assembly, wherein the upper die moves downwards, and when a guide post on the upper die contacts a first rotating arm 7 and a second rotating arm 9 on a nail frame, the slide rail and the nail frame on the slide rail synchronously move downwards along with the upper die to perform die assembly;

when the sliding rail contacts the lower die, the nail frame stops moving downwards, the upper die continues to move downwards to match the die, at the moment, the guide post in the upper die presses the first rotating arm 7 and the second rotating arm 9 on the side material section 4 downwards, the first rotating arm 7 rotates leftwards around the first rotating shaft 6 and drives the folding section 41 to synchronously rotate leftwards, at the moment, the material on the folding section 41 is folded leftwards, the folding section 41 drives the stretching part 42 to move upwards and drives the left stretching connecting block 420 to move leftwards under the action of the second rotating shaft 8, the second rotating arm 9 rotates rightwards around the outer frame 1 under the action of the fourth rotating shaft 11 when the guide post presses downwards, then under the action of the third rotating shaft 10, the second rotating arm 9 drives the stretching part 42 to move upwards and drives the right stretching connecting block 420 to move rightwards, and at the moment, the material on the stretching part 42 is stretched towards two ends;

the rotation of the first rotating arm 7 and the second rotating arm 9 is performed simultaneously, and in addition, the stretching part 42 moves upwards and drives the right material segment 3 to move upwards, at this time, the folding and stretching parts 31 are movably connected with the connecting rod 32, so that the two folding and stretching parts 31 perform relative rotation movement, and the material on the folding and stretching connecting block 31 starts to fold;

when the right stretching connecting block 420 on the stretching part 42 moves rightwards, the right material section 3 also moves rightwards, and when the right fixing section 30 moves to contact the material inserting column in the upper die, the right fixing section 30 stops moving upwards, so that the material on the right fixing section 30 is prevented from falling off; at this time, the connecting rod 32 continues to move upwards, the folding and stretching connecting blocks 310 in the folding and stretching part 31 start to relatively separate, and the material of the folding and stretching connecting blocks 310 starts to stretch;

the cylinder below the mold holder 34 drives the link 33 to move up while the right fixed segment 30 stops moving up, and the link 33 finally moves up by the same distance as the stretching portion 42 moves up.

The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the invention, which is defined by the claims and their equivalents.

Claims

1. The material stretching and folding nail frame is characterized by comprising an outer frame (1), a left material section (2) and a right material section (3) which are arranged on the periphery in the outer frame (1) and side material sections (4) which are symmetrically arranged with each other, wherein a plurality of nail components (5) are arranged on the left material section (2), the right material section (3) and the side material sections (4);

the left material section (2) is fixedly arranged in the outer frame (1), two ends of the right material section (3) are respectively and fixedly connected with the side material sections (4), the right material section (3) comprises a right fixed section (30), and a folding and stretching part (31) and a connecting rod (32) which are arranged at two ends of the right fixed section (30), the right fixed section (30) is movably connected with the folding and stretching part (31), and the folding and stretching part (31) is movably connected with the connecting rod (32);

side material section (4) from left to right includes second fixed section (40), folding section (41) and tensile portion (42) in proper order, the left end of second fixed section (40) with left side material section (2) are connected, the right-hand member through first rotation axis (6) with folding section (41) are connected, the outside of folding section (41) is fixed and is equipped with first swinging boom (7), first rotation axis (6) pass first swinging boom (7) with frame (1) is connected, folding section (41) with tensile portion (42) are connected through second rotation axis (8), keep away from folding section (41) tensile portion (42) outside is equipped with second swinging boom (9), second swinging boom (9) with tensile portion (42) are connected through third rotation axis (10), second swinging boom (9) through fourth rotation axis (11) with frame (1) are connected.

2. The material stretching and folding nail frame according to claim 1, characterized in that the right material section (3) further comprises a connecting piece (33) and a pair of mold supports (34) arranged on the connecting piece (33), the connecting piece (33) is arranged outside the connecting rod (32), and two ends of the connecting piece (33) are respectively fixedly connected with the side material sections (4).

3. A material stretching-folding nail frame according to claim 1, characterized in that the nail assembly (5) comprises a fixed block (50) and a plurality of nails arranged on the fixed block (50).

4. A material stretching-folding nail frame according to claim 1, characterized in that said folding-stretching portion (31) comprises a plurality of folding-stretching connecting blocks (310) and a first material frame guide pillar (311), a plurality of said folding-stretching connecting blocks (310) are sleeved on said first material frame guide pillar (311), and said nail assembly (5) is arranged above each of said folding-stretching connecting blocks (310).

5. A material stretch-fold nail frame according to claim 1, wherein the stretching portion (42) comprises a plurality of stretch connection blocks (420) and a second material frame guide pillar (421), the plurality of stretch connection blocks (420) are sleeved on the second material frame guide pillar (421), and the nail assembly (5) is arranged above each stretch connection block (420).