Forming die for middle beam of refrigerator

Abstract

The utility model discloses a refrigerator middle beam forming die, which relates to the field of refrigerator middle beam processing, aims to solve the problems of multiple dies, multiple procedures and high cost in the prior art, and adopts the technical scheme that the refrigerator middle beam forming die comprises an upper die holder and a lower die holder, a pressing block is further connected onto the upper die holder, a shaft seat is further mounted on the lower die holder, and a forming component is connected onto the shaft seat through a shaft. The forming assembly comprises a forming piece, the two ends of the forming piece are connected with overturning blocks, the overturning blocks correspond to the pressing blocks in position, the pressing blocks make sliding contact with the overturning blocks, and the lower die is further connected with a positioning mechanism. The pressing block is installed below the upper die base, the forming assembly is connected to the lower die side shaft of the lower die base, in the punch forming process of the pressing cutter and the lower die, the pressing block can trigger the overturning block to overturn, two-step machining of punching and bending of a workpiece is achieved through one-step action, and therefore the number of needed dies in the machining process is reduced, and the machining efficiency is improved. The cost and the labor intensity are reduced, meanwhile, the machining links are reduced, the machining period is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of the processing of the middle beam of a refrigerator, in particular to a forming die for the middle beam of a refrigerator. Background Technique

[0002] The middle beam of a modern household refrigerator plays a crucial role. However, the existing forming process of the middle beam of a refrigerator is relatively complex. Five sets of dies need to be made, and the middle beam of the refrigerator can be made through five processing procedures. Its disadvantages are that the die manufacturing cost is high and the forming procedures are numerous, which not only increases the cost but also reduces the labor efficiency. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a forming die for the middle beam of a refrigerator, which can effectively solve the problems in the background technique.

[0004] In order to achieve the above purpose, the utility model discloses a forming die for the middle beam of a refrigerator. The adopted technical scheme is that it includes an upper die base and a lower die base. There is a pressing knife on the upper die base, and a lower die on the lower die base. The stroke slider drives the upper die base to descend, and through the cooperation of the pressing knife and the lower die, the processing of one procedure can be completed. A pressing block is also connected to the upper die base, and a shaft seat is also installed on the lower die base. A forming component is pivotally connected to the shaft seat on the shaft seat. The forming component includes a forming piece. Both ends of the forming piece are connected with flipping blocks. The flipping blocks and the pressing block are in corresponding positions. The pressing block and the flipping blocks are in sliding contact. The forming piece and the lower die are in sliding contact. The pressing knife and the forming component are in corresponding positions. During the descending process of the upper die base, by pressing the flipping blocks with the pressing block to drive the forming piece to flip, the hemming operation and the stamping forming can be completed in one step, reducing the five processing procedures to four steps. At the same time, the corresponding dies are reduced, the cost is reduced, the production cycle is shortened, and the production efficiency is improved; the lower die is also connected with a positioning mechanism.

[0005] As a preferred technical scheme of the utility model, the pressing block is of a "T" - shaped structure. Its horizontal part is connected to the upper die base, and the vertical part is downward, opposite to the flipping block. The flipping block is triggered to flip by pressing the flipping block with its vertical part.

[0006] As a preferred technical scheme of the utility model, the forming piece is of an L - shaped structure, which includes a counterweight part and a bending part. The counterweight part is of a quadrangular prism shape, and the bending part is of a plate shape. The bending part is connected to the side of the counterweight part; both ends of the forming piece are pivotally connected to the flipping blocks through a rotating shaft, and the rotating shaft is pivotally connected to the shaft seat. The flipping block is a sector - shaped block, and its right - angled plane is opposite to the pressing block. The bending part is used for the positioning and bending of the plate part, and the counterweight part is used for the reset of the forming piece 504.

[0007] As a preferred technical solution of the present utility model, the positioning mechanism includes a sliding member, the sliding member includes a bottom plate, a connecting plate is arranged on the side surface of the bottom plate, a connecting seat is connected to the connecting plate, and a pressure receiving member is vertically arranged on the bottom plate.

[0008] As a preferred technical solution of the present utility model, a sliding groove is arranged on the bottom surface of the lower mold, the sliding groove connects the two sides in the short side direction of the lower mold, the connecting plate is connected in the sliding groove, and the connecting seat and the pressure receiving member are located on both sides of the lower mold.

[0009] As a preferred technical solution of the present utility model, an extrusion member is arranged on the bottom surface of the upper mold base, the extrusion member and the pressure receiving member are corresponding in position, and at least one of the extrusion member and the pressure receiving member is provided with an inclined surface on the opposite surface to the other. When the upper mold base presses down, the pressure receiving member is extruded by the extrusion member, and the sliding member is driven to slide under the action of the inclined surface, so that the connecting seat and the bending part clamp the plate member.

[0010] As a preferred technical solution of the present utility model, an alignment sleeve is arranged on the bottom surface of the upper mold base, an alignment rod is arranged on the top surface of the lower mold base, the alignment sleeve is sleeved on the alignment rod, and the two are in sliding contact. Thereby, the sliding direction of the upper mold base is restricted.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: By installing a pressing block below the upper mold base and axially connecting a forming assembly beside the lower mold of the lower mold base, during the stamping and forming process of the pressing knife and the lower mold, the turning block can be triggered to turn by the pressing block, realizing two-step processing of stamping and bending of the workpiece in one action, thereby reducing the number of molds required in the processing process, reducing the cost and labor intensity, while reducing the processing links, shortening the processing cycle, and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural view of the present utility model Figure 1 ;

[0013] Figure 2 is a schematic structural view of the present utility model Figure 2 ;

[0014] Figure 3 is a schematic structural view of the lower mold base of the present utility model;

[0015] Figure 4 is a schematic structural view of the upper mold base of the present utility model;

[0016] Figure 5 is a schematic structural view of the sliding member of the present utility model Figure 1 ;

[0017] Figure 6 Schematic diagram of the sliding part structure of the present utility model Figure 2 ;

[0018] Figure 7 Schematic diagram of the forming component structure of the present utility model;

[0019] Figure 8 Schematic diagram of the workpiece placement state during the use of the present utility model.

[0020] In the figure: 1. Upper die base; 2. Lower die base; 3. Lower die; 301. Accommodating groove; 302. Slideway; 303. First accommodating cavity; 4. Pressing knife; 5. Forming component; 501. Rotating shaft; 502. Flipping block; 503. Reinforcing block; 504. Forming piece; 5041. Counterweight part; 5042. Bent part; 6. Positioning plate; 7. Pressing block; 8. Extruding piece; 9. Sliding part; 901. Bottom plate; 902. Compressed part; 903. Connecting plate; 904. Connecting seat; 905. Second accommodating cavity; 10. Alignment sleeve; 11. Alignment rod; 12. Axle seat; 13. Workpiece. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. Embodiment

[0022] As Figures 1 to 7 shown, the present utility model discloses a forming die for the middle beam of a refrigerator. The technical solution adopted is that it includes an upper die base 1 and a lower die base 2. A pressing knife 4 is provided on the bottom surface of the upper die base 1. Pressing blocks 7 are provided at positions near both ends of the upper die base 1 close to the pressing knife 4. The pressing block 7 has a positive "T" - shaped structure. Its horizontal part is installed on the bottom surface of the upper die base 1 through screws, and the vertical part is vertically downward.

[0023] A lower die 3 is provided on the lower die base 2. As Figure 3 shown, the lower die 3 has a prismatic structure. An accommodating groove 301 is opened on the vertical outer surface of it. A slideway 302 is opened on the bottom surface of the lower die 3. The slideway 302 is along the short - side direction of the lower die 3, connecting the inside and outside of the lower die 3, and the slideway 302 is connected to the accommodating groove 301. In order to complete two - step processing with one action, an axle seat 12 is installed at each position near both ends of the lower die base 2 close to the lower die 3. The axle seat 12 has an inverted "T" - shaped structure. Its horizontal part is installed on the top surface of the lower die base 2 through screws, and the vertical part is vertically upward. The bearing installation position is located on the vertical part. A forming component 5 is shaft - connected to the axle seat 12.

[0024] As Figure 7 shown, the main body of the forming component 5 is a forming part 504. The forming part 504 includes a counterweight part 5041 and a bending part 5042. The counterweight part 5041 is in the shape of a quadrangular prism, and the bending part 5042 is in the shape of a plate. The bending part 5042 is arranged on the long side of the counterweight part 5041, thus forming an L-shaped structure. To improve the strength of the connection part between the counterweight part 5041 and the bending part 5042, strengthening blocks 503 are arranged at both ends of the forming part 504. The outer sides of the strengthening blocks 503 are connected to turning blocks 502 through rotating shafts 501, and the rotating shafts 501 are connected to the inner rings of the bearings installed on the shaft seats 12. The turning blocks 502 are 90-degree sector blocks. Since the weight of the counterweight part 5041 is greater than that of the bending part 5042, in the initial state, the counterweight part 5041 is at the bottom, and the bending part 5042 is perpendicular to the top surface of the lower die 3. At this time, the turning block 502 is in the position state as Figure 1 shown. The pressing block 7 is opposite to the turning block 502 in position. When the upper die holder 1 presses down, the turning block 502 can be turned by the pressing block 7.

[0025] To define the positional relationship between the upper die holder 1 and the lower die holder 2, an alignment sleeve 10 is arranged on the bottom surface of the upper die holder 1, and an alignment rod 11 is arranged on the top surface of the lower die holder 2. The alignment sleeve 10 is sleeved on the alignment rod 11 and is in sliding contact with the alignment rod 11. The inner cavity of the alignment sleeve 10 penetrates through the upper die holder 1.

[0026] To ensure the machining accuracy and ensure that the bending parts of the same batch of plate parts are consistent, a positioning mechanism is also arranged. The positioning mechanism includes a sliding part 9, as Figure 5 、 Figure 6As shown in the figure, the main body of the sliding member 9 is a bottom plate 901. On one side of the top surface of the bottom plate 901 away from the lower die 3, there is a pressure-receiving member 902. The pressure-receiving member 902 is in an inverted "T" shape. Its horizontal part is installed on the top surface of the bottom plate 901 by screws, and the vertical part is vertically upward. A connecting plate 903 is provided on the side surface thereof close to the lower die 3. The connecting plate 903 passes through the slideway 302 and is slidably connected in the slideway 302. A connecting seat 904 is installed on the end surface of the connecting plate 903 by screws. The connecting seat 904 corresponds to the accommodating groove 301 in position and matches in size, and the connecting seat 904 and the accommodating groove 301 are in sliding contact. In order to be able to position the plate member, a positioning plate 6 is connected to the top surface of the connecting seat 904 by bolts. An extrusion member 8 is installed on the bottom surface of the upper die base 1. The extrusion member 8 is in a regular "T" shape. Its horizontal part is installed on the bottom surface of the upper die base 1 by screws, and the vertical part is vertically downward. It is opposite to the vertical part of the pressure-receiving member 902 in position. Opposite inclined surfaces are provided on the extrusion member 8 and the pressure-receiving member 902. In order to facilitate the reset of the sliding member 9, a first accommodating cavity 303 is opened on the vertical surface in the accommodating groove 301 opposite to the connecting seat 904, a second accommodating cavity 905 is opened at the position of the connecting seat 904 opposite to the first accommodating cavity 303, the first accommodating cavity 303 and the second accommodating cavity 905 are opposite to each other, and a spring is press-fitted between them.

[0027] The working principle of the present utility model:

[0028] Place the workpiece 13 on the lower die 3 and the forming member 504 in the direction as Figure 8 shown. Start the switch. The stroke slider drives the upper die base 1 to descend. The inclined surface of the extrusion member 8 squeezes the inclined surface of the pressure-receiving member 902, causing the sliding member 9 to slide in the direction of the positioning rod 11. The connecting seat 904 enters the accommodating groove 301, and the workpiece 13 is clamped by the positioning plate 6 and the bending portion 5042 of the forming member 504. At the same time, the spring is compressed. The upper die base 1 continues to descend. The pressing block 7 presses down the flipping block 502, causing the flipping block 502 to drive the forming member 504 to flip, and the workpiece 13 is bent by the bending portion 5042. The upper die base 1 continues to descend. The pressing knife 4 contacts the workpiece 13 and then punches and forms the workpiece 13 together with the lower die 3.

[0029] After punching and forming, the upper die base 1 ascends and resets. The pressing block 7 no longer applies pressure to the flipping block 502. Under the action of the gravity of the counterweight portion 5041, the forming member 504 rotates in the reverse direction and resets. When the inclined surface of the extrusion member 8 contacts the inclined surface of the pressure-receiving member 902 again, the sliding member 9 resets under the action of the spring. The sliding member 9 starts to slide in the direction away from the positioning rod 11. When the inclined surface of the extrusion member 8 disengages from the inclined surface of the pressure-receiving member 902, the sliding member 9 is completely reset.

[0030] The upper die base 1 ascends to the initial position, completing one processing operation, and the workpiece 13 is taken off.

[0031] The mechanical connection involved in the present utility model is a commonly used means adopted by those skilled in the art and can obtain technical inspiration through a limited number of tests, belonging to common general knowledge.

[0032] The components not described in detail in this article are prior art.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A forming die for the middle beam of a refrigerator, comprising an upper die base (1) and a lower die base (2). There is a pressing knife (4) on the upper die base (1), and a lower die (3) on the lower die base (2). It is characterized in that: A pressure block (7) is further connected to the upper die base (1). A shaft seat (12) is further installed on the lower die base (2). A forming assembly (5) is pivotally connected to the shaft seat (12). The forming assembly (5) includes a forming part (504). Two ends of the forming part (504) are connected with turning blocks (502). The turning blocks (502) correspond to the pressure block (7) in position. The pressure block (7) is in sliding contact with the turning blocks (502). The forming part (504) is in sliding contact with the lower die (3). The pressing knife (4) corresponds to the forming assembly (5) in position. The lower die (3) is further connected with a positioning mechanism.

2. The refrigerator middle beam forming die according to claim 1, wherein: The pressure block (7) has a "T" - shaped structure. Its horizontal part is connected to the upper die base (1), and its vertical part faces downward and is opposite to the turning block (502).

3. The refrigerator middle beam forming die according to claim 2, wherein: The forming part (504) has an L - shaped structure. It includes a counterweight part (5041) and a bent part (5042). The counterweight part (5041) is prismatic with four - sided cross - section, and the bent part (5042) is plate - shaped. The bent part (5042) is connected to the side of the counterweight part (5041). Two ends of the forming part (504) are connected to the turning blocks (502) through rotating shafts (501). The rotating shafts (501) are pivotally connected to the shaft seat (12). The turning blocks (502) are sector - shaped blocks, and their right - angled planes are opposite to the pressure block (7).

4. The forming die for the middle beam of a refrigerator according to claim 1, wherein: The positioning mechanism includes a sliding part (9). The sliding part (9) includes a bottom plate (901). A connecting plate (903) is arranged on the side of the bottom plate (901). A connecting seat (904) is connected to the connecting plate (903). A pressure - receiving part (902) is vertically arranged on the bottom plate (901).

5. The refrigerator middle beam forming die according to claim 4, characterized in that: A slideway (302) is arranged on the bottom surface of the lower die (3). The slideway (302) connects the two sides in the short - side direction of the lower die (3). The connecting plate (903) is connected within the slideway (302). The connecting seat (904) and the pressure - receiving part (902) are located on both sides of the lower die (3).

6. The refrigerator middle beam forming die according to claim 4, characterized in that: An extrusion part (8) is arranged on the bottom surface of the upper die base (1). The extrusion part (8) corresponds to the pressure - receiving part (902) in position, and at least one of the extrusion part (8) and the pressure - receiving part (902) is provided with an inclined surface on the opposite surface to the other.

7. The forming die for the middle beam of a refrigerator according to claim 1, characterized in that: An alignment sleeve (10) is arranged on the bottom surface of the upper die base (1). An alignment rod (11) is arranged on the top surface of the lower die base (2). The alignment sleeve (10) is sleeved on the alignment rod (11), and they are in sliding contact.

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