CN114535418A - Seat small tray punch forming integrated progressive die and forming method - Google Patents

Abstract

The invention discloses a seat small tray punch forming integrated continuous die and a forming method, and the seat small tray punch forming integrated continuous die comprises an upper template, a lower template, a punching module, a trimming module, a forming module I, a hole flanging module, a forming module II, a bending module, a flat hole punching module, a side hole flanging module, a flattening module and a cutting-off module, wherein the punching module, the trimming module, the forming module I, the hole flanging module, the forming module II, the pressing-bending module, the flat hole punching module, the side hole flanging module, the flattening module and the cutting-off module are arranged between the flat hole punching module and the side hole punching module; the invention has simple operation and high automation degree, can continuously and uninterruptedly complete the forming and manufacturing of the small tray and greatly improves the production efficiency.

Description

Seat small tray punch forming integrated progressive die and forming method

Technical Field

The invention relates to a seat small tray punch forming integrated progressive die and a forming method.

Background

The small tray is a main component for connecting the chair stool and the chair leg supporting rod, and is basically of a metal structure, so that the small tray is basically formed by punching and molding in the manufacturing process; meanwhile, the structure of the small tray tends to be different along with the change of the type or the structure of the existing chair; the moulds used therefore also differ differently; however, when the existing mold is used for manufacturing the small tray, the small tray is manufactured through a plurality of processes and a plurality of independent molds, so that the processing efficiency of the small tray is low, the manufacturing process needs a plurality of personnel and a plurality of devices, the production cost is high, the production efficiency is low, and meanwhile, the automatic production is difficult to realize, so that the mold which can continuously work and can manufacture the small tray at one time needs to be researched and developed.

Disclosure of Invention

The invention aims to solve the technical problem of providing the seat small tray punch forming integrated continuous die which is convenient to use, simple to operate, high in automation degree, capable of continuously and uninterruptedly finishing the forming and manufacturing of the small tray and practical and wide in application.

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides an integrative modulus of continuity of little tray stamping forming of seat, includes cope match-plate pattern, lower bolster, sets up punching die group, side cut module, shaping module one, hole flanging module, shaping module two, the module of buckling, flat hole punching die group, side hole flanging module, flatten the module and cut away from the module between cope match-plate pattern, lower bolster, be equipped with air step one and air step two between flat hole punching die group and the side punching die group, side punching die group and side are equipped with air step three, air step four and air step five between the hole module, side hole flanging module and flatten and be equipped with air step six between the module.

Preferably, the punching module and the trimming module are of an integral structure, the punching module and the trimming module respectively comprise a first upper die core and a first lower die core, a first connecting material forming hole, a first rim charge forming hole, a first through hole and a second through hole are formed in the first lower die core, and a punch with the same shape as that of the inner rings of the first connecting material forming hole, the first rim charge forming hole, the first through hole and the second through hole is formed in the first upper die core.

This setting realizes the locking of tray flat panel type through the effect of the module of punching a hole and side cut module, accomplishes the locking of fixed orifices two, fixed orifices one position simultaneously.

Preferably, the first forming module comprises a second upper mold core and a second lower mold core, and the second forming module comprises a fourth upper mold core and a fourth lower mold core.

This setting is through the effect of shaping module one, shaping module two and is accomplished the preliminary locking of the whole appearance of tray.

Preferably, the hole flanging die set comprises an upper die core III and a lower die core III, the upper die core III is provided with a forming hole I, and the lower die core III is provided with a hole flanging punch.

The two-shape locking of the fixed hole is completed through the hole flanging module.

Preferably, the bending module comprises an upper die core five and a lower die core five, the upper die core five is provided with a punch for punching, and the lower die core five is provided with a forming hole II.

This setting makes the perk that makes progress in the outside one end of little tray through the effect of the module of buckling to be convenient for next process to the punching press of fixed orifices one.

Preferably, the flat hole punching die set comprises an upper die core six and a lower die core six.

This setting, the punching press design operation to fixed orifices one is accomplished through the effect of plain hole punching press module.

Preferably, the side punching module comprises an upper die core seven and a lower die core seven, the side punching module comprises an upper die core eight and a lower die core eight, two sides of the lower die core seven and the lower die core eight are respectively provided with a punching block, a clamping block, a guide rail and a limiting block, the punching block and the clamping block are fixed on the guide rail, the limiting block is fixed on the inner side of the clamping block, and two sides of the upper die core seven and the upper die core eight are respectively provided with a first pressing block and a second pressing block.

The punching operation of the connecting hole II and the connecting hole I and the hole flanging operation of the connecting hole I are completed under the action of the side punching module and the side hole flanging module.

Preferably, the lower mold core seven and the lower mold core eight are respectively provided with a sliding block and a fixed block, the sliding blocks are two and are respectively arranged on two sides of the fixed block, the bottom parts of the lower mold core seven and the lower mold core eight, which are located on the sliding blocks, are respectively provided with a spring mounting hole, and a spring is arranged in the spring mounting hole.

This setting is convenient for the little tray through the effect of slider and is fixed on mold core seven, lower mold core eight under, and the slider of being convenient for through the effect of spring reciprocates simultaneously, and the little tray of being convenient for breaks away from on mold core seven, lower mold core eight under, the operation of the whole process of being convenient for.

Preferably, the flattening module comprises an upper die core nine and a lower die core nine, the cutting module comprises an upper die core ten and a lower die core ten, the upper die core ten is provided with a cutting punching hole, and the part of the lower die core ten is inclined to two sides to form a blanking channel.

According to the arrangement, the small tray and the connecting material are shaped under the action of the flattening module, and the small tray and the connecting material are cut under the action of the cutting module; thus, the whole small tray is manufactured.

A method for punch forming a small tray of a seat comprises the following steps:

1) sequentially cutting the first positioning hole, the second positioning hole and the rim charge on the tray manufacturing material through the punching module and the trimming module to form a connecting material connected between the tray flat plate type and the tray flat plate type;

2) the upper side surface of the small tray is stamped and stretched through the first forming module;

3) punching and stretching the positioning hole I on the upper side surface through a hole flanging die set to form a set fixing hole II;

4) the stamping and stretching forming operation of the lower side surface of the small tray is finished through the forming module II;

5) extruding one end of the inner side of the small tray which is integrally and preliminarily molded through a bending die set, so that one end of the outer side of the small tray is tilted upwards by a certain angle;

6) punching the second positioning hole through a flat hole punching die set to enable the upper side face of the small tray to form a first fixing hole;

7) punching the lower side surface of the small tray through a side punching die set to form a connecting hole II and a connecting hole I;

8) the second connecting hole is punched again through the side hole flanging die group to meet the hole flanging requirement;

9) shaping the formed small tray through a flat pressing module;

10) and finally, finishing cutting the connecting material and the small tray through the cutting-off module to form a finished product of the small tray.

The invention has the beneficial effects that: the forming machine has the advantages of convenient use, simple operation and high automation degree, and can continuously and uninterruptedly complete the forming and manufacturing of small trays; each process is completed in one step, the assembly line type operation is formed, the production efficiency is greatly improved, only one stamping device is needed in the process, multiple persons are not needed for nursing, the production cost is saved, and meanwhile, the small trays manufactured at the same time are consistent in size and good in quality, and have practicability and application universality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the present invention is not limited to the scope of the present invention.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic structural view of a lower mold core of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is a schematic view of the installation of the second upper mold core of the present invention;

FIG. 6 is a schematic view of the installation of the second lower mold core of the present invention;

FIG. 7 is a schematic view of the seventh installation position of the upper mold core of the present invention;

FIG. 8 is a schematic view of a seventh installation position of the lower die core of the present invention;

FIG. 9 is an eight-structure diagram of the lower mold core of the present invention;

FIG. 10 is a schematic view of a small tray structure of the present invention;

FIG. 11 is a side schematic view of a mini-tray of the present invention;

FIG. 12 is a schematic view showing a planar plate-shaped state of the tray according to the present invention;

wherein, 1, a punching die set, 2, a trimming die set, 3, a forming die set I, 4, a hole flanging die set, 5, a forming die set II, 6, a bending die set, 7, a flat hole punching die set, 8, a blank step I, 9, a blank step II, 10, a side punching die set, 11, a blank step III, 12, a blank step IV, 13, a blank step V, 14, a side hole flanging die set, 15, a blank step VI, 16, a flattening die set, 17, a cutting die set, 18, a tray manufacturing material, 19, an upper die plate, 20, a lower die plate, 21, an upper die core II, 22, a lower die core II, 23, an upper die core III, 24, a lower die core III, 25, an upper die core IV, 26, a lower die core IV, 27, an upper die core V, 28, an upper die core V, 29, an upper die core VI, 30, a lower die core VI, 31, an upper die core VII, 32, a lower die core VII, 33, an upper die core VIII, an upper die core III, 34, an upper die core III, a lower die core III, a lower die core, a lower die, a die core III, a lower die, a die core, a die core, 36, a die core, a die, 38. the manufacturing method comprises the following steps of ten lower die cores, 50 positioning holes I, 51 positioning holes II, 52 connecting materials, 53 leftover materials, 54 tray flat plate type, 60 lower side surfaces, 61 fixing holes II, 62 connecting holes II, 63 connecting holes I, 64 fixing holes I, 65 upper side surfaces, 100 connecting material forming holes, 101 leftover material forming holes, 102 penetrating holes I, 103 penetrating holes II, 104 lower die cores I, 231 forming holes I, 241 hole flanging punching heads, 291 punching heads, 301 forming holes II, 310 pressing blocks I, 312 pressing blocks II, 320 pressing blocks, 321 clamping blocks, 322 guide rails, 323 limiting plates, 325 sliding blocks, 326 fixing blocks, 327 spring mounting holes and 371 cutting and punching.

Detailed Description

The small tray shown in fig. 10 to 11 includes two parts, i.e., an upper side 65 and a lower side 60, wherein the upper side is provided with a first fixing hole 64 and a second fixing hole 61, and the lower side is provided with a first connecting hole 63 and a second connecting hole 62.

Referring to fig. 1-9, an integrative modulus of continuity of little tray stamping forming of seat that shows, including cope match-plate pattern 19, lower bolster 20, set up punching die set 1, side cut die set 2, shaping module 3, hole flanging module 4, shaping module two 5, the module of bending 6, plain hole punching die set 7, side punching die set 10, side hole flanging module 14, the module 16 that flattens and cut away from the module 17 of punching a hole between cope match-plate pattern 19, lower bolster 20, be equipped with idle step one 8 and idle step two 9 between plain hole punching die set 7 and the side punching die set 10, be equipped with idle step three 11, idle step four 12 and idle step five 13 between side punching die set 10 and the side hole flanging die set 14, be equipped with idle step six 15 between side hole flanging die set 14 and the module 16 that flattens.

Further, punching die set 1 and side cut module 2 are overall structure, and punching die set 1 and side cut module 2 all include mold core one and mold core 104 down, be equipped with binder shaping hole 100, rim charge shaping hole 101, through hole one 102 and through hole two 103 on the mold core one down, go up be equipped with on the mold core one with binder shaping hole, rim charge shaping hole, through hole one and two inner circles of through hole the same drift (not shown) of shape, blanking of both sides waste material when binder shaping hole 100 is used for the shaping of binder 52, rim charge shaping hole 101 is used for the unloading of tray edge waste material, accomplishes the design of tray flat panel type simultaneously, and through hole one, through hole two are used for the stamping forming of locating hole one, locating hole two.

Further, the first forming module 3 comprises a second upper mold core 21 and a second lower mold core 22, and the second forming module 5 comprises a fourth upper mold core 25 and a fourth lower mold core 26.

Further, the hole flanging die set 4 comprises an upper die core three 23 and a lower die core three 24, wherein a forming hole one 231 is arranged on the upper die core three 23, and a hole flanging punch 241 is arranged on the lower die core three 24.

Further, the press bending module 6 comprises an upper die core five 27 and a lower die core five 28, wherein a punch hole 291 is formed in the upper die core five 27, and a forming hole two 301 is formed in the lower die core five 28.

Further, the flat hole punching die set 7 comprises an upper die core six 29 and a lower die core six 30.

Further, the side punching module 10 comprises an upper die core seven 31 and a lower die core seven 32, the side hole flanging module 14 comprises an upper die core eight 33 and a lower die core eight 34, two sides of the lower die core seven 32 and the lower die core eight 34 are respectively provided with a punching block 320, a clamping block 321, a guide rail 322 and a limiting block 323, the punching block 320 and the clamping block 321 are fixed on the guide rail 322, the limiting block 323 is fixed on the inner side of the clamping block 321, and two sides of the upper die core seven 31 and the upper die core eight 33 are respectively provided with a first pressing block 310 and a second pressing block 312.

Further, the clamp block 321 is provided with a punch (not shown) for punching the first connecting hole and the second connecting hole.

Further, the lower mold core seven 32 and the lower mold core eight 34 are respectively provided with a sliding block 325 and a fixed block 326, the two sliding blocks 325 are respectively arranged at two sides of the fixed block 326, the positions, located at the bottom of the sliding block, of the lower mold core seven 32 and the lower mold core eight 34 are respectively provided with a spring mounting hole 327, and a spring is arranged in the spring mounting hole 327.

Further, flattening module 16 includes nine 35 and nine 36 lower mold cores of last mold core, it includes ten 37 and ten 38 lower mold cores to cut away module 17, be equipped with on the ten 37 upper mold cores and cut a hole 371, the part of ten 38 lower mold cores forms the unloading passageway to both sides slope.

When the small tray is manufactured, the method comprises the following steps:

1) putting a tray manufacturing material (generally in a flat shape) into a die, and cutting the tray manufacturing material 18 through a punching die set and an edge cutting die set in sequence by using a first positioning hole 50, a second positioning hole 51 and an edge material 53 to form a connecting material 52 (shown in figure 12) connected between a tray flat plate type 54 and the tray flat plate type;

2) the upper side surface 65 of the small tray is punched and stretched through the first forming module;

3) punching and stretching the positioning hole I50 on the upper side surface through a hole flanging die set to form a set fixing hole II 61;

4) the stamping and stretching forming operation of the lower side surface 60 of the small tray is completed through the forming module II;

5) extruding one end of the inner side of the small tray which is integrally and preliminarily molded through a bending die set, so that one end of the outer side of the small tray is tilted upwards by a certain angle;

6) punching the second positioning hole 51 through a flat hole punching die set to form a first fixing hole 64 on the upper side surface of the small tray;

7) punching the lower side surface 60 of the small tray through a side punching die set to form a connecting hole II 62 and a connecting hole I63;

8) the second connecting hole 62 is punched again through the side hole flanging die set to meet the hole flanging requirement;

9) shaping the formed small tray through a flat pressing module;

10) finally, the connecting material 52 and the small tray are cut through the cutting module to form a finished product of the small tray, and the cut small tray slides out of the blanking channel of the cutting module.

The die comprises two groups of production lines, so that uninterrupted manufacturing of two small trays can be synchronously completed, and the small trays are connected through the connecting material 52 during manufacturing.

The stamping block and the clamping block are reset through the spring; and chamfer structures are arranged on one sides of the stamping block, the clamping block, the first pressing block and the second pressing block, so that the components can be extruded mutually during working.

When the side punching module and the side hole-turning module work, the second pressing block extrudes the clamping block, and the first pressing block extrudes the punching block, so that the corresponding punching head is pushed to realize the punching of the second connecting hole and the first connecting hole.

The flat hole punching module is also provided with a clamping block, a guide rail, a pressing block structure and the like which are similar to those of the side punching module and the side hole turning module.

The invention realizes the gradual molding operation of the small tray in a plurality of working procedures of the die by arranging the empty step one, the empty step two, the empty step three, the empty step four, the empty step five and the empty step six, thereby realizing the continuous processing and manufacturing and greatly improving the production efficiency.

The upper template and the lower template of the invention are both provided with a plurality of blocks, and the mark in the figure is only one representative.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (10)

1. The utility model provides an integrative modulus of continuity of seat tray stamping forming which characterized in that: including cope match-plate pattern, lower bolster, set up punching die group, side cut module, shaping module one, hole flanging module, shaping module two, the module of buckling, plain hole punching press module, side hole flanging module, flatten the module and cut away from the module, be equipped with air step one and air step two between plain hole punching press module and the side punching press module, the side is punched a hole and is equipped with air step three, air step four and air step five between the module with turning on one's side, it has air step six to incline hole module and flatten to be equipped with between the module.

2. The seat tray punch-forming integrated progressive die of claim 1, wherein: the punching die set and the trimming die set are of an integral structure, the punching die set and the trimming die set comprise a first upper die core and a first lower die core, a first connecting material forming hole, a first rim charge forming hole, a first through hole and a second through hole are formed in the first lower die core, and a punch with the same shape as that of the inner rings of the first connecting material forming hole, the first rim charge forming hole, the first through hole and the second through hole is formed in the first upper die core.

3. The seat tray punch-forming integrated progressive die of claim 1, wherein: the first forming module comprises an upper mold core II and a lower mold core II, and the second forming module comprises an upper mold core IV and a lower mold core IV.

4. The seat tray punch-forming integrated progressive die of claim 1, wherein: the hole flanging die set comprises an upper die core III and a lower die core III, a forming hole I is formed in the upper die core III, and a hole flanging punch is arranged on the lower die core III.

5. The seat tray punch-forming integrated progressive die of claim 1, wherein: the bending die set comprises an upper die core five and a lower die core five, wherein the upper die core five is provided with a punch for punching, and the lower die core five is provided with a forming hole II.

6. The seat tray punch-forming integrated progressive die of claim 1, wherein: the flat hole punching module comprises an upper mold core six and a lower mold core six.

7. The seat tray punch-forming integrated progressive die of claim 1, wherein: the side punching module comprises an upper die core seven and a lower die core seven, the side punching module comprises an upper die core eight and a lower die core eight, two sides of the lower die core seven and the lower die core eight are respectively provided with a punching block, a clamping block, a guide rail and a limiting block, the punching block and the clamping block are fixed on the guide rail, the limiting block is fixed on the inner side of the clamping block, and two sides of the upper die core seven and the upper die core eight are respectively provided with a first pressing block and a second pressing block.

8. The seat tray punch-forming integrated progressive die of claim 7, wherein: the novel die is characterized in that sliding blocks and fixing blocks are arranged in the lower die core seven and the lower die core eight, the sliding blocks are two and are respectively arranged on two sides of the fixing blocks, spring mounting holes are formed in the positions, located at the bottoms of the sliding blocks, of the lower die core seven and the lower die core eight, and springs are arranged in the spring mounting holes.

9. The seat tray punch-forming integrated progressive die of claim 1, wherein: the die set that flattens includes die core nine and die core nine down, it includes die core ten and die core ten down to cut apart the module, it cuts and punches a hole to be equipped with on the die core ten to go up, the part of die core ten down forms the unloading passageway to the both sides slope.

10. A method for punch forming of a small seat tray is characterized by comprising the following steps: the method comprises the following steps:

1) sequentially cutting the first positioning hole, the second positioning hole and the rim charge on the tray manufacturing material through the punching module and the trimming module to form a connecting material connected between the tray flat plate type and the tray flat plate type;

2) the upper side surface of the small tray is stamped and stretched through the first forming module;

3) punching and stretching the positioning hole I on the upper side surface through a hole flanging die set to form a set fixing hole II;

4) the stamping and stretching forming operation of the lower side surface of the small tray is finished through the forming module II;

5) extruding one end of the inner side of the small tray which is integrally and preliminarily molded through a bending die set, so that one end of the outer side of the small tray is tilted upwards by a certain angle;

6) punching the second positioning hole through a flat hole punching die set to enable the upper side face of the small tray to form a first fixing hole;

7) punching the lower side surface of the small tray through a side punching die set to form a connecting hole II and a connecting hole I;

8) the second connecting hole is punched again through the side hole flanging die group to meet the hole flanging requirement;

9) shaping the formed small tray through a flat pressing module;

10) and finally, finishing cutting the connecting material and the small tray through the cutting-off module to form a finished product of the small tray.

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