CN217095265U - End cover stamping device based on assembly line - Google Patents

Abstract

The application discloses end cover stamping device based on assembly line includes: the stretching die is used for forward pressing the flaky round sheet material into a hat-shaped round sheet material; and the forming die is positioned at the downstream of the stretching die and used for reversely buckling the cap-shaped wafer material, punching the hole and stretching the cap-shaped wafer material to the inner edge flanging to form the circular end cover with the hole. This end cover stamping device based on assembly line adopts modular mold, solves traditional end cover stamping process and takes a lot of work and time, and production efficiency is low, and cost of labor and cost of manufacture are high defect.

Description

End cover stamping device based on assembly line

Technical Field

The utility model relates to a technical field in the aspect of the industry filter is made especially relates to an end cover stamping device based on assembly line.

Background

As an industrial filter accessory, a filter end cover plays roles in fixing the filter and integrally sealing. When the filter end cover is manufactured, the end cover is subjected to punch forming through single operation by adopting a common stamping die in the traditional production process, wherein the end cover stamping process comprises a plurality of processes of blanking, stretching, punching, blanking, flanging, closing in and the like. However, the conventional production process has the following disadvantages: (1) before the end cover is stretched, a PE film is coated on two sides, after the end cover is formed, the film is manually spread, and the PE film is easily stuck on a die in the punching process, so that the appearance quality is seriously influenced; (2) the excircle blanking can not be popped out automatically, and the excircle blanking can not be taken out manually by using a special tool by a worker, so that the continuous operation can not be realized. Therefore, the traditional end cover stamping process is labor-consuming and time-consuming, low in production efficiency, and high in labor cost and manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

The utility model aims at providing an end cover stamping device based on assembly line adopts modular mold, solves traditional end cover stamping process and takes a lot of work and time, and production efficiency is low, the cost of labor and the defect that the cost of manufacture is high.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions:

an assembly line based end cap stamping apparatus comprising: the stretching die is used for forward pressing the flaky round sheet material into a hat-shaped round sheet material; and the forming die is positioned at the downstream of the stretching die and used for reversely buckling the cap-shaped wafer material, punching the hole and stretching the cap-shaped wafer material to the inner edge flanging to form the circular end cover with the hole.

In order to achieve the purpose of a better utility model, the utility model discloses still have following technical characteristics:

in some embodiments, the drawing die comprises: the lower stretching assembly is provided with a stretching groove for placing the flaky round sheet; and the upper stretching assembly is arranged above the lower stretching assembly in a lifting manner and can press the sheet-shaped round sheet material into a cover shape along the stretching groove.

In some embodiments, the lower tension assembly comprises: a first lower template; the first lower die is fixed on the top surface of the first lower die plate; the top plate is tightly attached to two sides of the first lower die, so that the drawing groove is formed between the end surface of the top plate and the end surface of the first lower die through a height difference; and the positioning pin is arranged on the end face of the top piece plate and positioned outside the stretching groove and used for positioning the round sheet material.

In some embodiments, the lower tension assembly further comprises: the first bottom template is used as a supporting base; the fixing frame is arranged between the first bottom template and the first lower template; and the rubber rod is elastically abutted between the first bottom template and the sizing block.

In some embodiments, the upper tension assembly comprises: the bottom of the first upper template is fixedly connected with a fixed mold outer ring, and a fixed mold inner ring is arranged at the bottom of the inner side of the fixed mold outer ring; the knockout plate is arranged on the inner side of the fixed die outer ring in a lifting way, movably attached to the fixed die inner ring and used for pressing the round sheet material; and the punch assembly is fixed on the first upper template so as to be connected with the knockout plate.

In some embodiments, the fixed mold outer race and the fixed mold inner race are both formed of tungsten steel.

In some embodiments, the molding die comprises: the lower forming assembly is used for inversely placing the cap-shaped round sheet material; and the upper forming assembly can move up and down to press the cap-shaped wafer material on the lower forming assembly, and the cap-shaped wafer material is punched and stretched to the inner edge flanging to cut off the waste material of the outer circle.

In some embodiments, the lower molding assembly comprises: the second lower template is provided with a blanking hole and a positioning groove positioned outside the blanking hole; the punching flanging die core 34 is arranged on the top surface of the second lower template and is provided with a punching hole in butt joint with the blanking hole; the positioning ring is arranged in the positioning groove, tightly sleeved on the outer side of the punching flanging die core 34 and used for inversely placing the cap-shaped round sheet material; and the fixed knife edge die mold core is sleeved on the outer side of the positioning ring, and the top of the fixed knife edge die mold core is provided with a lower outer knife edge die.

In some embodiments, the lower molding assembly further comprises: and the second bottom template is provided with a conveying groove, lower die cushion blocks are arranged on two sides of the conveying groove, and the top of each lower die cushion block is connected with the second lower template so that the conveying groove is communicated with the blanking hole.

In some embodiments, the upper molding assembly comprises: the second upper template is in butt joint with the second lower template, an upper outer knife edge die matched with the lower outer knife edge die is arranged on the second upper template, an upper die gasket and a flanging die 44 located below the upper die gasket are arranged on the inner side of the upper outer knife edge die, the flanging die 44 is matched with the positioning ring, a punching die is arranged on the inner side of the flanging die 44, a material punching ring is arranged between the punching die and the flanging die 44, and the material punching ring is in butt joint with the punching flanging die core 34.

Compared with the prior art, the utility model provides a pair of end cover stamping device based on assembly line possesses following beneficial effect:

1. according to the end cover stamping device based on the assembly line, the first-time stretching process can be directly carried out on the end cover wafer material with the single surface coated with the PE film by utilizing the stretching die, the PE film coated on the upper end surface of the end cover cannot be bonded on the die to influence the appearance quality of end cover stamping, the quality is improved, and the rejection rate is greatly reduced.

2. This end cover stamping device based on assembly line utilizes forming die to punch a hole and secondary reverse tension to end cover sheet stock, can realize the automation of circle waste material and excircle waste material and send out in punching a hole, need not the workman and takes out manually midway, not only saves man-hour, has still created the condition for realizing the continuous operation.

Drawings

Fig. 1 is a schematic structural view of a drawing die according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a forming mold according to an embodiment of the present invention;

FIG. 3 is a schematic view of a single-coated end cap sheet according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of the cap-shaped round piece in the first step according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a circular end cap in the second process according to an embodiment of the present invention.

Reference numerals:

1. a lower tension assembly; 10. a drawing tank; 11. a first lower template; 12. a first lower die; 13. a top plate; 14. a head bar; 15. a positioning pin; 16. a first bottom form; 17. sizing block; 18. glue stick;

2. an upper tension assembly; 21. a first upper template; 22. an outer ring of the fixed die; 23. an inner ring of the fixed die; 24. stretching the knockout plate; 25. stretching the beating rod; 26. stretching the punch handle; 27. a first spring;

3. a lower forming assembly; 31. a second lower template; 32. a blanking hole; 33. positioning a groove; 34. punching and flanging a die core; 35. positioning rings; 36. fixing a cutter mouth mold core; 37. a second bottom form; 38. a conveying trough; 39. a lower die cushion block; 30. a lower outer knife edge die;

4. an upper molding assembly; 41. a second upper template; 42. an upper outer knife edge die; 43. an upper die gasket; 44. flanging a die; 45. punching a die; 46. a second spring; 47. a material beating ring; 48. molding the knockout plate; 49. molding and beating the rod; 40. forming a punch handle;

5. a scrap conveyor belt; 6. inner circle waste material; 7. a guide sleeve; 8. and (6) a guide pillar.

Detailed Description

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification.

Referring to fig. 1-5, an end cover stamping apparatus based on a production line of the present embodiment includes: the forming die is used for stretching the punched cap-shaped wafer material to an inner edge flanging, and stretching the forming die is reversely stretched relative to the stretching direction of the stretching die, so that the circular wafer material is punched into a circular end cover with holes. Firstly, an end cover circular sheet material with a single surface covered with a PE film is adopted, a stretching die is arranged on a first punch press to carry out a first stretching process on the end cover circular sheet material with the single surface covered with the PE film, a workpiece is automatically transferred to a second punch press through an automatic manipulator after the first stretching process is finished on the first punch press through the stretching die, a forming die is arranged on the second punch press to carry out inner circle punching and secondary stretching on the end cover circular sheet material subjected to the first stretching, the end cover forming process is finished, the problem that the traditional process needs to carry out double-surface covered with the PE film before the end cover is stretched and then is manually subjected to film spreading treatment is solved, the production efficiency is improved, and the input cost is reduced.

As shown in fig. 1, the drawing die of the present embodiment has the following structure:

in this embodiment, the drawing die includes: the device comprises a lower stretching assembly 1 and an upper stretching assembly 2, wherein the lower stretching assembly 1 is provided with a stretching groove 10 for placing sheet-shaped round sheet materials, the upper stretching assembly 2 is arranged above the lower stretching assembly 1 in a lifting mode, and the upper stretching assembly 2 can press the sheet-shaped round sheet materials into a cover shape along the stretching groove 10.

Specifically, as shown in fig. 1, the lower stretching assembly 1 includes: the drawing groove 10, the first lower template 11, the first lower template 12, the top piece plate 13 and the positioning pin 15. The first lower template 11 is used as a supporting base, the first lower template 12 is fixed on the top surface of the first lower template 11, the ejector plates 13 are tightly attached to two sides of the first lower template 12, the bottom of the ejector plate 13 is connected with the first lower template 11 through the ejector rods 14, moreover, a drawing groove 10 is formed between the end surface of the ejector plate 13 and the end surface of the first lower template 12 through a height difference, the drawing groove 10 is used for forming the cap-shaped round sheet material from the sheet-shaped round sheet material, and therefore the height of the drawing groove 10 is matched with the inner edge height of the cap-shaped round sheet material. The end face of the top piece plate 13 is provided with a positioning pin 15, and the positioning pin 15 is arranged outside the stretching groove 10 and used for fixing the round sheet material.

As shown in fig. 1, the lower stretching assembly 1 further includes: a first bottom template 16, a sizing block 17 and a glue stick 18. The first bottom template 16 is used as a supporting base, the sizing block 17 is arranged at the top of the first bottom template 16, the first lower template 11 is fixed above the sizing block 17, therefore, the sizing block 17 is fixedly arranged between the first bottom template 16 and the first lower template 11, so that the first lower template 11 can be erected above the first bottom template 16, the rubber bar 18 is elastically abutted between the first bottom template 16 and the sizing block 17, and the rubber bar 18 is used for providing a buffering effect.

As shown in fig. 1, the upper stretching assembly 2 includes: the device comprises a first upper template 21, a fixed mould outer ring 22, a fixed mould inner ring 23, a stretching beater plate 24, a stretching beater bar 25, a stretching punch handle 26 and a first spring 27. The bottom of the first upper template 21 is fixedly connected with a fixed mold outer ring 22, the inner bottom of the fixed mold outer ring 22 is provided with a fixed mold inner ring 23, and the fixed mold inner ring 23 and the fixed mold outer ring 22 are both made of tungsten steel mold materials. The inner side of the fixed mould outer ring 22 is provided with a stretching knock-out plate 24 which is arranged in a lifting way, the stretching knock-out plate 24 is used for pressing round sheet materials, and the stretching knock-out plate 24 is movably attached to the fixed mould inner ring 23. Be fixed with the drift subassembly on first cope match-plate pattern 21, the drift subassembly includes tensile excellent 25 and tensile drift handle 26 of beating, and tensile drift handle 26 is fixed on first cope match-plate pattern 21, and the one end setting of tensile excellent 25 of beating is on tensile drift handle 26, and the other end and the tensile beating board 24 of tensile beating of excellent 25 are connected, and wherein, the cover is equipped with first spring 27 on the tensile beating stick 25, and this first spring 27 elasticity butt is between first cope match-plate pattern 21 and tensile beating board 24, provides and beats cushioning effect.

The stretching beating rod 25, the stretching beating plate 24, the stretching punch handle 26, the first upper template 21, the first upper die, the first lower die 12, the first lower template 11, and the first lower template 11 are respectively connected through screws. In the use of the die material, the fixed die inner ring 23 and the fixed die outer ring 22 are both made of tungsten steel material, so that the service life of the die is prolonged, and the PE film of the end cover is prevented from being adhered to the die.

In operation, the end cap wafer material is positioned on the first lower die 12 and the drawing top plate 13 by the positioning pins 15. When the punch press drives the stretching die to integrally descend, the stretching beating rod 25 and the stretching beating plate 24 are pressed downwards, the first spring 27 in the middle of the stretching beating rod 25 plays a buffering role, so that the round sheet material and the first lower template 11 are simultaneously subjected to downward impact force, meanwhile, the first lower template 11 fixed on the first bottom template 16 and the top plate 13 are kept still and matched with the stretching groove 10, and therefore the sheet round sheet material is formed into a hat-shaped round sheet material, and the first stretching process of the round sheet material is completed.

Therefore, a first stretching process of the end cover round sheet material is completed by using the stretching die on the first punch, the end cover round sheet material with the single surface covered with the PE film is adopted in the first stretching process, the problem of influence of the end cover single surface covered with the PE film on the production process is solved, and the method has the following characteristics: (1) the end cover material only needs to be covered with a PE film on one side, so that the material and working time cost are greatly saved; (2) the PE film covered on the upper end face of the end cover can not be bonded on the die to affect the appearance quality of the end cover punching, the quality is improved, and the rejection rate is greatly reduced.

As shown in fig. 2, the molding die structure in this embodiment is as follows:

in the present embodiment, the molding die includes: a lower molding assembly 3 and an upper molding assembly 4. Wherein, lower shaping subassembly 3 is used for the back-off to place cap form circle sheet material, goes up the top of shaping subassembly 3 under the 4 lifting settings of shaping subassembly, goes up shaping subassembly 4 and can move down to shaping subassembly 3 under the laminating in order to compress tightly cap form circle sheet material to circle punching a hole in the cap form disk material, and the cap form disk material after will punching a hole stretches to interior edge turn-ups, cuts off the excircle scrap edge material of work piece again, thereby obtains complete foraminiferous circular end cover.

As shown in fig. 2, the lower molding member 3 includes: a second lower template 31, a blanking hole 32, a positioning groove 33, a punching flanging die core 34, a positioning ring 35, a fixed knife die core 36 and a lower outer knife die 30. The second lower template 31 is provided with a blanking hole 32 and a positioning groove 33 located outside the blanking hole 32, the punching flanging die core 34 is arranged on the top surface of the second lower template 31, and the punching flanging die core 34 is provided with a punching hole butted with the blanking hole 32. The bottom of the positioning ring 35 is provided with a spring, so that the positioning ring 35 is elastically arranged in the positioning groove 33, and the positioning ring 35 is tightly sleeved outside the punching flanging die core 34 and used for inversely placing the cap-shaped round sheet material. The fixed knife edge die core 36 is sleeved on the outer side of the positioning ring 35, the top of the fixed knife edge die core 36 is provided with a lower outer knife edge die 30, and the lower outer knife edge die 30 is used for cutting off the waste rim charge of the excircle of the round end cover with the inner edge turned over.

As shown in fig. 2, the lower molding assembly 3 further includes: a second bottom die plate 37, a conveying groove 38 and a lower die cushion block 39. Wherein, a conveying groove 38 is arranged on the second bottom template 37, the conveying groove 38 can be passed by the waste conveying belt 5, lower die cushion blocks 39 are arranged on two sides of the conveying groove 38, and the tops of the lower die cushion blocks 39 are connected with the second lower template 31, so that the conveying groove 38 is communicated with the blanking holes 32. After the punching die 45 performs inner circle punching on the cap-shaped wafer material, the punched inner circle waste 6 directly falls onto the waste conveyor belt 5 along the punching hole and the blanking hole 32 in sequence and is automatically sent out.

As shown in fig. 2, the upper molding member 4 includes: a second upper template 41, an upper outer cutting edge die 42, an upper die gasket 43, a flanging die 44, a punching die 45, a second spring 46, a knockout ring 47, a forming knockout rod 49, a forming punch handle 40 and a forming knockout plate 48. Specifically, the method comprises the following steps: the second upper template 41 is butted with the second lower template 31, an upper outer knife edge die 42 is arranged on the second upper template 41, the upper outer knife edge die 42 is matched with the lower outer knife edge die 30, an upper die gasket 43 and a flanging die 44 are arranged on the inner side of the upper outer knife edge die 42, the flanging die 44 is positioned below the upper die gasket 43, and the upper die gasket 43 is fixed between the flanging die 44 and the second upper template 41. Furthermore, a punch sleeve is arranged on the second upper die plate 41, the punch sleeve comprises a forming punch rod 49 and a forming punch handle 40, the forming punch handle 40 is fixed on the second upper die plate 41, one end of the forming punch rod 49 is arranged on the forming punch handle 40, the other end of the forming punch rod 49 is connected with a forming punch plate 48, a second spring 46 is arranged between the forming punch plate 48 and the second upper die plate 41, and the second spring 46 provides a striking buffering function. Furthermore, a punching die 45 is arranged below the forming and punching plate 48, the punching die 45 is matched with the punching hole, the top of the punching die 45 is connected with the upper die gasket 43, the punching die 45 is positioned on the inner side of the flanging die 44, the flanging die 44 is matched with the positioning ring 35, a punching ring 47 is arranged between the punching die 45 and the flanging die 44, and the punching ring 47 is in butt joint with the punching and flanging die core 34. So that the punching die 45 can punch a hole in the cap-shaped wafer material placed on the punching hole.

The punch handle is connected with the second upper template 41, the second upper template 41 is connected with the upper die gasket 43 and the flanging die 44, the upper outer knife edge die 42 is connected with the upper die gasket 43 and the flanging die 44, the upper die gasket 43 is connected with the punching die 45, the lower outer knife edge die 30 is connected with the fixed knife edge die core 36 and the second lower template 31, and the second lower template 31 is connected with the second lower die cushion block 39 and the second bottom template 37 through fastening screws. The upper forming component 4 and the lower forming component 3 are quickly installed and positioned with the guide pillar 8 through the guide sleeve 7.

Therefore, after the first stretching process of the workpiece on the punch of the stretching die is completed, the workpiece is automatically transferred to the punch of the forming die through the automatic manipulator and is positioned on the second lower die through the positioning ring 35.

When the punch press drives the forming punch handle 40, the forming beating rod 49 and the upper forming assembly 4 to integrally move downwards, the punching die 45 firstly contacts with a workpiece, the punching process is completed by pressing downwards, and the punched inner circle waste 6 directly falls onto the waste conveying belt 5 passing through the lower forming assembly 3 and is automatically sent out; then the flanging die 44 contacts the workpiece to finish the second process of reversely drawing the inner edge flanging; then the upper and lower outer cutting edge molds 30 cooperate with cutting off waste edge materials on the excircle of the workpiece to complete the excircle blanking process, and the waste materials on the excircle are automatically ejected out of the range of the mold.

And (3) using a forming die on a second punch press to complete the processes of punching the wafer material (the waste material is automatically blanked and conveyed away along a conveying belt), reversely stretching the inner edge flanging for the second time, and dropping the outer circle (the waste material at the outer circle is cut off and automatically popped out of the die), and the like, wherein the PE film is adhered to the edge of the flanging at the moment. Therefore, the combined die is used in the forming process to continuously complete the processes of end cover punching, flanging and blanking, and the excircle waste is automatically popped out of the range of the die.

From this, circle waste material 6 is seen off automatically on falling to waste material conveyer belt 5 automatically in the first process punches a hole, and the automatic pop-up of second process excircle blanking slitter edge need not workman's manual taking out midway, not only saves man-hour, has still created the condition for realizing the company's operation.

To sum up, the utility model discloses aim at protecting an end cover stamping device based on assembly line based on above-mentioned public technical characteristic, can realize many punch presses of end cover punching press and even quick-witted automatic operation, the characteristics of this device lie in: 1. the problem of influence of the single-side PE film coating of the end cover on the production process is solved in the first procedure; 2. and in the second procedure, the combined die is used for continuously completing the procedures of end cover punching, flanging and blanking, and the excircle waste is automatically popped out of the range of the die.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. An end cover stamping device based on assembly line, characterized by includes:

the stretching die is used for forward pressing the flaky round sheet material into a hat-shaped round sheet material;

and the forming die is positioned at the downstream of the stretching die and used for reversely buckling the cap-shaped wafer material, punching the hole and stretching the cap-shaped wafer material to the inner edge flanging to form the circular end cover with the hole.

2. The in-line end cap stamping apparatus according to claim 1, wherein the drawing die comprises:

the lower stretching assembly is provided with a stretching groove for placing the flaky round sheet;

and the upper stretching assembly is arranged above the lower stretching assembly in a lifting manner and can press the sheet-shaped round sheet material into a cover shape along the stretching groove.

3. The in-line end cap stamping apparatus according to claim 2, wherein the lower tension assembly comprises:

a first lower template;

the first lower die is fixed on the top surface of the first lower die plate;

the top plate is tightly attached to two sides of the first lower die, so that the drawing groove is formed between the end surface of the top plate and the end surface of the first lower die through a height difference;

and the positioning pin is arranged on the end face of the top piece plate and positioned outside the stretching groove and used for positioning the round sheet material.

4. The in-line end cap stamping apparatus according to claim 3, wherein the lower tension assembly further comprises:

the first bottom template is used as a supporting base;

the fixing frame is arranged between the first bottom template and the first lower template;

and the rubber rod is elastically abutted between the first bottom template and the sizing block.

5. The in-line end cap stamping apparatus according to claim 2, wherein the upper stretching assembly comprises:

the bottom of the first upper template is fixedly connected with a fixed mold outer ring, and a fixed mold inner ring is arranged at the bottom of the inner side of the fixed mold outer ring;

the knockout plate is arranged on the inner side of the fixed die outer ring in a lifting way, movably attached to the fixed die inner ring and used for pressing the round sheet material;

and the punch assembly is fixed on the first upper template so as to be connected with the knockout plate.

6. The in-line based end cap stamping apparatus of claim 5, wherein: and the fixed mold outer ring and the fixed mold inner ring are both made of tungsten steel mold materials.

7. The in-line based end cap stamping apparatus of claim 1, wherein the forming die comprises:

the lower forming assembly is used for inversely placing the cap-shaped round sheet material;

and the upper forming assembly can move up and down to press the cap-shaped wafer material on the lower forming assembly, and the cap-shaped wafer material is punched and stretched to the inner edge flanging to cut off the waste material of the outer circle.

8. The in-line based end cap stamping apparatus of claim 7, wherein the lower forming assembly comprises:

the second lower template is provided with a blanking hole and a positioning groove positioned outside the blanking hole;

the punching flanging die core is arranged on the top surface of the second lower template and is provided with a punching hole in butt joint with the blanking hole;

the positioning ring is arranged in the positioning groove, tightly sleeved on the outer side of the punching flanging die core and used for reversely placing the cap-shaped round sheet;

and the fixed knife edge die mold core is sleeved on the outer side of the positioning ring, and the top of the fixed knife edge die mold core is provided with a lower outer knife edge die.

9. The in-line based end cap stamping apparatus of claim 8, wherein the lower forming assembly further comprises: and the second bottom template is provided with a conveying groove, lower die cushion blocks are arranged on two sides of the conveying groove, and the top of each lower die cushion block is connected with the second lower template so that the conveying groove is communicated with the blanking hole.

10. The in-line based end cap stamping apparatus of claim 8, wherein the upper forming assembly comprises: the second upper template is in butt joint with the second lower template, an upper outer knife edge die matched with the lower outer knife edge die is arranged on the second upper template, an upper die gasket and a flanging die positioned below the upper die gasket are arranged on the inner side of the upper outer knife edge die, the flanging die is matched with the positioning ring, a punching die is arranged on the inner side of the flanging die, a material beating ring is arranged between the punching die and the flanging die, and the material beating ring is in butt joint with the flanging die core.

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