CN210358852U - Die for manufacturing top cover beam - Google Patents

Abstract

The utility model belongs to the technical field of the mould, especially, relate to a be used for making top cap crossbeam mould. The utility model discloses, include in proper order and go up the pressure flitch, hold in the palm flitch and lower mould down, last pressure flitch and the corresponding and shape of position of last mould match and fit, the corresponding and shape of position of lower support flitch and lower mould match and fit, last mould bottom be equipped with first punching hole subassembly, second punching hole subassembly and third punching hole subassembly respectively, first punching hole subassembly, second punching hole subassembly and third punching hole subassembly corresponding with the position of lower mould respectively. The utility model discloses a set up first piercing press, second piercing press and third piercing press, accomplish the shaping of top cap crossbeam and punch a hole through a process, saved the process, improved work efficiency, need not the manual work and punch a hole, reduced the cost of labor.

Description

Die for manufacturing top cover beam

Technical Field

The utility model belongs to the technical field of the mould, a be used for making top cap crossbeam mould is related to.

Background

The traditional automobile top cover beam can be directly welded and formed by steel pipes, so that the automobile top cover beam is very convenient, the cost in the aspects of manufacturing a die for stamping an inner plate and the like is reduced, and the cost is reduced; however, the existing pipe is used for cutting and welding as the reinforcing rod, the strength, rigidity and integrity of the automobile body are good without using a cross beam stamped (processed and strengthened) by a die, in addition, the weight of the automobile body is increased by using the cross beam made of steel pipes, the light weight is not facilitated and the energy consumption is increased, the existing production process of the roof cross beam adopts rectangular plate materials, and the three processes of forming, punching and trimming are carried out, so that the material utilization rate is low, the production efficiency is low, and the labor cost is further increased.

In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a chinese patent discloses a first beam drawing die for a car roof [ application number: 201220046562.6], including upper die base, die holder, guide pin bushing, guide pillar, die, terrace die and blank holder, the terrace die the die with the blank holder is mutually supported and is formed the shape of the first crossbeam of car roof, the utility model discloses the uniformity of the product of making is fine, and through the processing strengthening effect that the plastic deformation of mould drawing in-process produced, mechanical properties, the rigidity of reinforcing plate obtain improving. But this scheme still exists and can't accomplish simultaneously after the product shaping and punch a hole, needs the manual work to punch a hole, and the process is more, and the cost of labor is high, the lower defect of production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a provide one kind and be used for making top cap crossbeam mould.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a be used for making top cap crossbeam mould, includes in proper order and goes up the pressure flitch, holds in the palm flitch and lower mould down, last pressure flitch and the corresponding and shape of position of last mould match and fit, the corresponding and shape of position of lower support flitch and lower mould match and fit down, last mould bottom be equipped with first punching component, second punching component and third punching component respectively, first punching component, second punching component and third punching component respectively corresponding with the position of lower mould.

In foretell be arranged in making top cap crossbeam mould, first subassembly that punches a hole include a plurality of set up in last mould bottom along the first drift fixed block of last mould central line symmetry, first drift fixed block bottom be equipped with first piercing head, the second subassembly that punches a hole include a plurality of set up in last mould bottom along the second drift fixed block of last mould central line symmetry, second drift fixed block bottom be equipped with the second piercing head, the third subassembly that punches a hole include a plurality of set up in last mould bottom along the third drift fixed block of last mould central line symmetry, third drift fixed block bottom be equipped with the third piercing head.

In foretell be used for making top cap crossbeam mould, first punching head, second punching head and third punching head parallel, last pressure flitch on be equipped with a plurality of first drift collets of pressing flitch central line symmetry on along, first drift collets in be equipped with first through-hole, last pressure flitch on still be equipped with a plurality of second drift collets of pressing flitch central line symmetry on along, second drift collets in be equipped with the second through-hole, last pressure flitch on still be equipped with a plurality of third drift collets of pressing flitch central line symmetry on along, third drift collets in be equipped with the third through-hole.

In the die for manufacturing the top cover beam, the first punch sleeve block corresponds to the first punch fixing block in position and is matched in shape, the first through hole corresponds to the first punching head in position and is matched in shape, the second punch sleeve block corresponds to the second punch fixing block in position and is matched in shape, the second through hole corresponds to the second punching head in position and is matched in shape, the third punch sleeve block corresponds to the third punch fixing block in position and is matched in shape, and the third through hole corresponds to the third punching head in position and is matched in shape.

In the above die for manufacturing the top cover beam, the lower die is provided with a plurality of first forming blocks symmetrical along the central line of the lower die, a first punch groove is formed in the first forming block, the lower die is further provided with a plurality of second forming blocks symmetrical along the central line of the lower die, a second punch groove is formed in the second forming block, the lower die is further provided with a plurality of third forming blocks symmetrical along the central line of the lower die, and a third punch groove is formed in the third forming block.

In the die for manufacturing the top cover beam, the first forming block corresponds to the first punch sleeve block in position and is matched in shape, the first punch groove corresponds to the first punch head in position and is matched in shape, the second forming block corresponds to the second punch sleeve block in position and is matched in shape, the second punch groove corresponds to the second punch head in position and is matched in shape, the third forming block corresponds to the third punch sleeve block in position and is matched in shape, and the third punch groove corresponds to the third punch head in position and is matched in shape.

In foretell be used for making top cap crossbeam mould, last mould bottom still be equipped with a plurality of arc lugs of going up mould centerline symmetry along, last pressure flitch in be equipped with a plurality of strip grooves of going up pressure flitch centerline symmetry along, the arc lug with the position of strip groove corresponding and the shape match and fit, the lower mould in be equipped with a plurality of arc concave blocks of going down the mould centerline symmetry along, the arc concave block corresponding and the shape of arc lug match and fit.

In the above die for manufacturing the top cover beam, the lower retainer plate is internally provided with a plurality of fixing grooves which are symmetrical along the center line of the lower retainer plate, and the fixing grooves correspond to the third forming block in position and are matched in shape.

In the above-mentioned mould for making top cap crossbeam, last mould bottom be equipped with a plurality of cushions that are rectangular array along last mould central point and distribute, the cushion in be equipped with the locating hole, the lower mould top be equipped with a plurality of location axles that are rectangular array along lower mould central point and distribute, the location axle correspond with the position of locating hole.

In foretell be used for making top cap crossbeam mould, last mould bottom still be equipped with a plurality of along last mould central line symmetry prevent inclined to one side piece, the lower mould on be equipped with a plurality of along the symmetrical groove of preventing inclined to one side of lower mould central line, the groove of preventing inclined to one side and the position of preventing inclined to one side piece corresponding and the shape match and be fit for.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a set up first piercing press, second piercing press and third piercing press, accomplish the shaping of top cap crossbeam and punch a hole through a process, saved the process, improved work efficiency, need not the manual work and punch a hole, reduced the cost of labor.

2. The utility model discloses a set up the cushion collar for during the compound die, the lower mould earlier with the cushion collar contact, play the cushioning effect, reduce the striking loss, improved the life of mould.

2. The utility model discloses a set up location axle and locating hole and play the positioning action, improve the accuracy of mould location, prevent inclined to one side groove and prevent inclined to one side piece through setting up simultaneously, prevent that mould and lower mould from taking place rotation in a circumferential direction in the course of the work, improve product quality.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an upper die.

Fig. 2 is a schematic structural view of the upper nip plate.

Fig. 3 is a schematic structural view of the lower mold.

Fig. 4 is a structural schematic diagram of the lower retainer plate.

In the figure: the punching die comprises an upper die 1, an upper pressure plate 2, a lower material supporting plate 3, a lower die 4, a first punching assembly 5, a second punching assembly 6, a third punching assembly 7, a first punch fixing block 8, a first punching head 9, a second punch fixing block 10, a second punching head 11, a third punch fixing block 12, a third punching head 13, a first punch sleeve block 14, a first through hole 15, a second punch sleeve block 16, a second through hole 17, a third punch sleeve block 18, a third through hole 19, a first forming block 20, a first punch groove 21, a second forming block 22, a second punch groove 23, a third forming block 24, a third punch groove 25, an arc-shaped convex block 26, a strip-shaped groove 27, an arc-shaped concave block 28, a fixing groove 29, a buffer sleeve 30, a positioning hole 31, a positioning shaft 32, an anti-deviation block 33 and an anti-deviation groove 34.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, a die for manufacturing a top cover beam sequentially comprises an upper die 1, an upper pressure plate 2, a lower material supporting plate 3 and a lower die 4, wherein the upper pressure plate 2 corresponds to the upper die 1 in position and is matched in shape, the lower material supporting plate 3 corresponds to the lower die 4 in position and is matched in shape, the bottom of the upper die 1 is respectively provided with a first punching assembly 5, a second punching assembly 6 and a third punching assembly 7, and the first punching assembly 5, the second punching assembly 6 and the third punching assembly 7 correspond to the lower die 4 in position.

In this embodiment, during the compound die, go up mould 1, go up pressure flitch 2, hold in the palm flitch 3 and lower mould 4 and be close to each other down, hold in the palm flitch 3 down and be used for placing the raw materials, go up pressure flitch 2 and be used for pressing the material, punch a hole to the product through first punching component 5, second punching component 6 and third punching component 7 after stamping forming, accomplish the shaping of top cap crossbeam and punch a hole through one-time process, saved the process, improved work efficiency, need not the manual work and punch a hole, reduced the cost of labor.

Combine as shown in fig. 1, first punching subassembly 5 include a plurality of first drift fixed blocks 8 that set up in last mould 1 bottom along last mould 1 central line symmetry, first drift fixed block 8 bottom be equipped with first punch head 9, second punching subassembly 6 include a plurality of second drift fixed blocks 10 that set up in last mould 1 bottom along last mould 1 central line symmetry, second drift fixed block 10 bottom be equipped with second punch head 11, third punching subassembly 7 include a plurality of third drift fixed blocks 12 that set up in last mould 1 bottom along last mould 1 central line symmetry, third drift fixed block 12 bottom be equipped with third punch head 13.

Specifically, the first punch fixing block 8, the second punch fixing block 10 and the third punch fixing block 12 are used for fixing the first punching head 9, the second punching head 11 and the third punching head 13 respectively, the first punching head 9, the second punching head 11 and the third punching head 13 are used for punching the top cover beam, punching can be completed in the punching process, and the working efficiency is improved.

Referring to fig. 2, the first punching head 9, the second punching head 11 and the third punching head 13 are parallel, the upper pressure plate 2 is provided with a plurality of first punch sleeve blocks 14 symmetrical along the central line of the upper pressure plate 2, the first punch sleeve blocks 14 are internally provided with first through holes 15, the upper pressure plate 2 is further provided with a plurality of second punch sleeve blocks 16 symmetrical along the central line of the upper pressure plate 2, the second punch sleeve blocks 16 are internally provided with second through holes 17, the upper pressure plate 2 is further provided with a plurality of third punch sleeve blocks 18 symmetrical along the central line of the upper pressure plate 2, and the third punch sleeve blocks 18 are internally provided with third through holes 19.

In this embodiment, the first punch set block 14 is used to fix the first punch fixing block 8, the second punch set block 16 is used to fix the second punch fixing block 10, and the third punch set block 18 is used to fix the third punch fixing block 12, so as to prevent the first punch fixing block 8, the second punch fixing block 10, and the third punch fixing block 12 from directly contacting with the raw material, and the upper die 1 does not need to be cleaned after the punching is completed, thereby reducing the labor intensity.

Referring to fig. 1 and 2, the first punch set 14 corresponds to the first punch fixing block 8 in position and has a shape suitable for the first punch fixing block, the first through hole 15 corresponds to the first punch head 9 in position and has a shape suitable for the first punch head, the second punch set 16 corresponds to the second punch fixing block 10 in position and has a shape suitable for the second punch head, the second through hole 17 corresponds to the second punch head 11 in position and has a shape suitable for the second punch head, the third punch set 18 corresponds to the third punch fixing block 12 in position and has a shape suitable for the third punch head 19 and the third punch head 13 in position and shape suitable for the third punch head.

In this embodiment, the first through hole 15 corresponds to the first punch head 9 in position and has a shape suitable for the first punch head 9, the second through hole 17 corresponds to the second punch head 11 in position and has a shape suitable for the second punch head 11, and the third through hole 19 corresponds to the third punch head 13 in position and has a shape suitable for the third punch head 13, so that the first punch head 9, the second punch head 11 and the third punch head 13 respectively pass through the first punch set block 14, the second punch set block 16 and the third punch set block 18, thereby facilitating the punching of the product.

Referring to fig. 3, the lower mold 4 is provided with a plurality of first forming blocks 20 symmetrical along a center line of the lower mold 4, a first punch groove 21 is formed in the first forming block 20, the lower mold 4 is further provided with a plurality of second forming blocks 22 symmetrical along the center line of the lower mold 4, a second punch groove 23 is formed in the second forming block 22, the lower mold 4 is further provided with a plurality of third forming blocks 24 symmetrical along the center line of the lower mold 4, and a third punch groove 25 is formed in the third forming block 24.

Specifically, when the dies are closed, the first forming block 20 and the first punch set 14 are adjacent to each other, the second forming block 22 and the second punch set 16 are adjacent to each other, and the third forming block 24 and the third punch set 18 are adjacent to each other.

The first forming block 20 corresponds to the first punch sleeve block 14 in position and is matched in shape, the first punch groove 21 corresponds to the first punch head 9 in position and is matched in shape, the second forming block 22 corresponds to the second punch sleeve block 16 in position and is matched in shape, the second punch groove 23 corresponds to the second punch head 11 in position and is matched in shape, the third forming block 24 corresponds to the third punch sleeve block 18 in position and is matched in shape, and the third punch groove 25 corresponds to the third punch head 13 in position and is matched in shape.

In this embodiment, during die assembly, the first punch head 9, the second punch head 11, and the third punch head 13 enter the first punch groove 21, the second punch groove 23, and the third punch groove 25, respectively.

Combine fig. 1, fig. 2 to show, last mould 1 bottom still be equipped with a plurality of arc lugs 26 of going up mould 1 central line symmetry along, last pressure flitch 2 in be equipped with a plurality of strip grooves 27 of going up pressure flitch 2 central line symmetry along, arc lug 26 and strip groove 27 the position corresponding and the shape match and fit, lower mould 4 in be equipped with a plurality of arc concave blocks 28 of 4 central line symmetries along lower mould, arc concave blocks 28 and arc lug 26 the position corresponding and the shape match and fit.

In this embodiment, the arc-shaped protrusion 26 corresponds to the strip-shaped groove 27 in position and matches in shape, and when the mold is closed, the arc-shaped protrusion 26 enters the strip-shaped groove 27 to fix the upper pressure plate 2, and the arc-shaped protrusion 26 and the arc-shaped concave block 28 are close to each other to form an arc-shaped cavity.

Referring to fig. 3 and 4, a plurality of fixing grooves 29 symmetrical along the center line of the lower retainer plate 3 are formed in the lower retainer plate 3, and the fixing grooves 29 correspond to the third forming blocks 24 in position and have a shape suitable for the third forming blocks.

In this embodiment, during mold clamping, the third molding block 24 enters the fixing groove 29 to fix the lower retainer plate 3.

Referring to fig. 1, the bottom of the upper die 1 is provided with a plurality of buffer sleeves 30 distributed in a rectangular array along the central point of the upper die 1, the buffer sleeves 30 are internally provided with positioning holes 31, the top of the lower die 4 is provided with a plurality of positioning shafts 32 distributed in a rectangular array along the central point of the lower die 4, and the positioning shafts 32 correspond to the positioning holes 31.

In this embodiment, when the mold is closed, when the upper mold 1 and the lower mold 4 are close to each other, the lower mold 4 contacts with the buffer sleeve 30 first, so as to play a role in buffering, reduce impact loss, and improve the service life of the mold, and the positioning shaft 32 enters the positioning hole 31 to play a role in positioning, thereby improving the positioning accuracy of the mold.

Referring to fig. 1 and 3, the bottom of the upper mold 1 is further provided with a plurality of anti-deviation blocks 33 symmetrical along the central line of the upper mold 1, the lower mold 4 is provided with a plurality of anti-deviation grooves 34 symmetrical along the central line of the lower mold 4, and the anti-deviation grooves 34 correspond to the anti-deviation blocks 33 in position and are matched in shape.

Specifically, the anti-deviation groove 34 corresponds to the anti-deviation block 33 in position and has a shape matched with the anti-deviation block 33, and when the mold is closed, the anti-deviation groove 34 and the anti-deviation block 33 are tightly attached to each other, so that the positioning function is realized on the upper mold 1 and the lower mold 4, and the circumferential rotation of the upper mold 1 and the lower mold 4 in the working process is prevented.

The utility model discloses a theory of operation is:

when the die is assembled, the upper die 1, the upper pressure plate 2, the lower material supporting plate 3 and the lower die 4 are close to each other, the lower material supporting plate 3 is used for placing raw materials, the upper pressure plate 2 is used for pressing materials, the first punch sleeve block 14 is used for fixing the first punch fixing block 8, the second punch sleeve block 16 is used for fixing the second punch fixing block 10, the third punch sleeve block 18 is used for fixing the third punch fixing block 12, the first punch fixing block 8, the second punch fixing block 10 and the third punch fixing block 12 are prevented from directly contacting with the raw materials, the upper die 1 is not required to be cleaned after the punching is completed, the labor intensity is reduced, the first punching head 9, the second punching head 11 and the third punching head 13 respectively enter the first punch groove 21, the second punch groove 23 and the third punch groove 25, and the first punching head 9, the second punching head 11 and the third punching head 13 are used for punching the top cover beam after the punching is completed, the forming and punching of the top cover beam are completed through the sequential processes, the processes are saved, the working efficiency is improved, the manual punching is not needed, and the labor cost is reduced.

When the die is closed, when the upper die 1 and the lower die 4 are close to each other, the lower die 4 is firstly contacted with the buffer sleeve 30 to play a role in buffering, the impact loss is reduced, the service life of the die is prolonged, the positioning shaft 32 enters the positioning hole 31 to play a role in positioning, and the accuracy of die positioning is improved.

When the die is closed, the deviation-preventing groove 34 and the deviation-preventing block 33 are attached to each other, so that the upper die 1 and the lower die 4 are positioned, and the upper die 1 and the lower die 4 are prevented from rotating in the circumferential direction in the working process.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.

Although terms such as the upper die 1, the upper stripper plate 2, the lower stripper plate 3, the lower die 4, the first punching assembly 5, the second punching assembly 6, the third punching assembly 7, the first punch fixing block 8, the first punch 9, the second punch fixing block 10, the second punch 11, the third punch fixing block 12, the third punch 13, the first punch sleeve block 14, the first through hole 15, the second punch sleeve block 16, the second through hole 17, the third punch sleeve block 18, the third through hole 19, the first forming block 20, the first punch groove 21, the second forming block 22, the second punch groove 23, the third forming block 24, the third punch groove 25, the arc-shaped protrusion 26, the strip-shaped groove 27, the arc-shaped concave block 28, the fixing groove 29, the cushion sleeve 30, the positioning hole 31, the positioning shaft 32, the deviation preventing block 33, the deviation preventing groove 34, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. The utility model provides a be used for making top cap crossbeam mould, includes in proper order that last flitch (1), last pressure flitch (2), holds in the palm flitch (3) and lower mould (4) down, a serial communication port, last pressure flitch (2) and the corresponding and shape phase of position of last mould (1) match and suit, lower support flitch (3) and the corresponding and shape phase of position of lower mould (4) match and suit, last mould (1) bottom be equipped with first subassembly (5), the second subassembly (6) and the third subassembly (7) that punches a hole respectively, first subassembly (5), the second subassembly (6) and the third subassembly (7) that punches a hole corresponding with the position of lower mould (4) respectively.

2. The die for manufacturing the top cover beam as claimed in claim 1, wherein the first punching assembly (5) comprises a plurality of first punch fixing blocks (8) which are arranged at the bottom of the upper die (1) and are symmetrical along the central line of the upper die (1), the bottom of the first punch head fixing block (8) is provided with a first punching head (9), the second punching assembly (6) comprises a plurality of second punch head fixing blocks (10) which are arranged at the bottom of the upper die (1) and are symmetrical along the central line of the upper die (1), a second punching head (11) is arranged at the bottom of the second punch fixing block (10), the third punching component (7) comprises a plurality of third punch fixing blocks (12) which are arranged at the bottom of the upper die (1) and are symmetrical along the central line of the upper die (1), and a third punching head (13) is arranged at the bottom of the third punch fixing block (12).

3. The die for manufacturing the top cover beam as claimed in claim 2, wherein the first punching head (9), the second punching head (11) and the third punching head (13) are parallel, a plurality of first punch sleeve blocks (14) which are symmetrical along the central line of the upper pressing plate (2) are arranged on the upper pressing plate (2), first through holes (15) are formed in the first punch sleeve blocks (14), a plurality of second punch sleeve blocks (16) which are symmetrical along the central line of the upper pressing plate (2) are further arranged on the upper pressing plate (2), second through holes (17) are formed in the second punch sleeve blocks (16), a plurality of third punch sleeve blocks (18) which are symmetrical along the central line of the upper pressing plate (2) are further arranged on the upper pressing plate (2), and third through holes (19) are formed in the third punch sleeve blocks (18).

4. The die for manufacturing a top cover beam according to claim 3, wherein the first punch set block (14) corresponds to and is matched in shape with the position of the first punch fixing block (8), the first through hole (15) corresponds to and is matched in shape with the position of the first punching head (9), the second punch set block (16) corresponds to and is matched in shape with the position of the second punch fixing block (10), the second through hole (17) corresponds to and is matched in shape with the position of the second punching head (11), the third punch set block (18) corresponds to and is matched in shape with the position of the third punch fixing block (12), and the third through hole (19) corresponds to and is matched in shape with the position of the third punching head (13).

5. The die for manufacturing the top cover beam according to claim 4, wherein the lower die (4) is provided with a plurality of first forming blocks (20) which are symmetrical along the central line of the lower die (4), a first punch groove (21) is formed in each first forming block (20), the lower die (4) is further provided with a plurality of second forming blocks (22) which are symmetrical along the central line of the lower die (4), a second punch groove (23) is formed in each second forming block (22), the lower die (4) is further provided with a plurality of third forming blocks (24) which are symmetrical along the central line of the lower die (4), and a third punch groove (25) is formed in each third forming block (24).

6. The die for manufacturing a top cover beam according to claim 5, wherein the first forming block (20) corresponds to and is matched in shape with the position of the first punch set block (14), the first punch groove (21) corresponds to and is matched in shape with the position of the first punch (9), the second forming block (22) corresponds to and is matched in shape with the position of the second punch set block (16), the second punch groove (23) corresponds to and is matched in shape with the position of the second punch (11), the third forming block (24) corresponds to and is matched in shape with the position of the third punch set block (18), and the third punch groove (25) corresponds to and is matched in shape with the position of the third punch (13).

7. The die for manufacturing the top cover beam as claimed in claim 1, wherein a plurality of arc-shaped convex blocks (26) symmetrical along the central line of the upper die (1) are further arranged at the bottom of the upper die (1), a plurality of strip-shaped grooves (27) symmetrical along the central line of the upper die (2) are formed in the upper die (2), the arc-shaped convex blocks (26) correspond to the strip-shaped grooves (27) in position and are matched in shape, a plurality of arc-shaped concave blocks (28) symmetrical along the central line of the lower die (4) are formed in the lower die (4), and the arc-shaped concave blocks (28) correspond to the arc-shaped convex blocks (26) in position and are matched in shape.

8. The mold for manufacturing the top cover beam according to claim 6, wherein a plurality of fixing grooves (29) symmetrical along the center line of the lower retainer plate (3) are formed in the lower retainer plate (3), and the fixing grooves (29) correspond to the third forming blocks (24) in position and are matched in shape.

9. The die for manufacturing the top cover beam according to claim 1, wherein a plurality of buffer sleeves (30) distributed in a rectangular array along the central point of the upper die (1) are arranged at the bottom of the upper die (1), positioning holes (31) are formed in the buffer sleeves (30), a plurality of positioning shafts (32) distributed in a rectangular array along the central point of the lower die (4) are arranged at the top of the lower die (4), and the positioning shafts (32) correspond to the positioning holes (31).

10. The die for manufacturing the top cover beam as claimed in claim 1, wherein a plurality of anti-deviation blocks (33) symmetrical along the central line of the upper die (1) are further arranged at the bottom of the upper die (1), a plurality of anti-deviation grooves (34) symmetrical along the central line of the lower die (4) are formed in the lower die (4), and the anti-deviation grooves (34) correspond to the anti-deviation blocks (33) in position and are matched in shape.

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