Foldable pallet assembly and stamping die

Abstract

This utility model relates to the field of stamping die technology and discloses a foldable pallet assembly, including a first connecting plate and a second connecting plate. A first pallet is rotatably connected to the end of the first connecting plate, and a second pallet is rotatably connected to the end of the second connecting plate. A first elastic latching member is provided on one side of the first pallet located on a rotating shaft. A first slot and a second slot are formed on the first connecting plate around the rotating shaft of the first pallet, and the first elastic latching member is engaged in either the first or second slot. A second elastic latching member is provided on one side of the second pallet located on a rotating shaft. A third slot and a fourth slot are formed on the second connecting plate around the rotating shaft of the second pallet, and the second elastic latching member is engaged in either the third or fourth slot. This utility model achieves the following technical effects: the foldability of the first and second pallets reduces the space occupied in production and also reduces safety risks in the production environment. This utility model also discloses a stamping die.

Description

Technical Field

[0001] This utility model belongs to the field of stamping die technology, specifically relating to a foldable pallet assembly and a stamping die. Background Technology

[0002] In the stamping process of some products, partial stamping operations are required. During the stamping process, most of the product, except for the stamping area, is exposed outside the stamping die. This can cause instability in the product's center of gravity, making it impossible to place stably. Therefore, a support plate needs to be installed on the outside of the stamping die to support the product. Existing support plates are usually fixed to one side of the stamping die. When the stamping die is placed on the die holder, the support plate protrudes outside the die holder, not only occupying excessive production space but also posing a safety hazard as workers or forklifts may collide with the support plate when passing by the die holder. Utility Model Content

[0003] To address the shortcomings of the prior art, this utility model provides a foldable pallet assembly. By rotatably connecting a first pallet to a first connecting plate and a second pallet to a second connecting plate, the first and second pallets can be unfolded and folded back, reducing the space occupied by the first and second pallets in their non-working state and lowering safety risks in the production environment. This utility model also provides a stamping die.

[0004] The technical effects to be achieved by this utility model are realized through the following technical aspects: In a first aspect, the present invention provides a foldable tray assembly, including a first connecting plate and a second connecting plate arranged side by side, wherein the first connecting plate is rotatably connected to the end of the first connecting plate and the second connecting plate is rotatably connected to the end of the second connecting plate. A first elastic snap-fit ​​member is provided on one side of the first tray located on the rotating shaft. A first slot and a second slot are provided on the first connecting plate around the rotating shaft of the first tray. The first elastic snap-fit ​​member snaps into the first slot or the second slot. The second tray is provided with a second elastic snap-fit ​​member on one side of the rotating shaft. The second connecting plate is provided with a third slot and a fourth slot around the rotating shaft of the second tray. The second elastic snap-fit ​​member snaps into the third slot or the fourth slot.

[0005] As a further description of the technical solution of this utility model, the first elastic snap-fit ​​component includes a plunger body, a connecting spring, and a snap-fit ​​ball. The plunger body is disposed on the first support plate, the connecting spring is disposed vertically inside the plunger body, and the connecting spring is connected between the plunger body and the snap-fit ​​ball. The snap-fit ​​ball is at least partially exposed outside the plunger body.

[0006] As a further description of the technical solution of this utility model, the perpendicular line segment from the center of the first slot to the center of the rotation axis of the first support plate is L1, and the perpendicular line segment from the center of the second slot to the center of the rotation axis of the first support plate is L2, wherein L1 is perpendicular to L2. The perpendicular line segment from the center of the third slot to the center of the rotation axis of the second support plate is L3, and the perpendicular line segment from the center of the fourth slot to the center of the rotation axis of the second support plate is L4, with L3 perpendicular to L4.

[0007] As a further description of the technical solution of this utility model, the first tray is rotatably connected to the top of the first connecting plate, the second tray is rotatably connected to the top of the second connecting plate, and the top surface height of the first tray is equal to the top surface height of the second tray.

[0008] As a further description of the technical solution of this utility model, the length of the first connecting plate is D1, the length of the second connecting plate is D2, the width of the first tray and the second tray is D3, and the foldable tray assembly has the relationship: D1+D3≤D2.

[0009] As a further description of the technical solution of this utility model, the length of the first tray is D4, the distance between the first connecting plate and the second connecting plate is D5, and the foldable tray assembly has the relationship: D4-D3<D5.

[0010] As a further description of the technical solution of this utility model, the length of the second tray is D6, and the foldable tray assembly has the relationship: D6+D3≤D4.

[0011] As a further description of the technical solution of this utility model, the foldable tray assembly also includes a connecting screw and a limiting sleeve sleeved outside the connecting screw. The first tray is rotatably connected to the first connecting plate through the connecting screw and the limiting sleeve. The connecting screw passes through the first connecting plate and is screwed to the first tray. The limiting sleeve is embedded in the first connecting plate and has a clearance fit with the first connecting plate.

[0012] Secondly, this utility model provides a stamping die, including a mounting base, an upper die, a lower die, and the foldable pallet assembly. The lower die and the foldable pallet assembly are both disposed on the top of the mounting base, and the foldable pallet assembly is located on one side of the lower die. The upper die is disposed above the lower die.

[0013] As a further description of the technical solution of this utility model, the stamping die also includes a first fixing screw and a second fixing screw, the first connecting plate is connected to the mounting base through the first fixing screw, and the second connecting plate is connected to the mounting base through the second fixing screw.

[0014] In summary, this utility model has at least the following advantages: The foldable pallet assembly provided by this utility model, by setting a first connecting plate and a second connecting plate, can be used to install and fix the foldable pallet assembly. By rotating the first pallet to the first connecting plate and rotating the second pallet to the second connecting plate, the first and second pallets can be unfolded for use when supporting products to be stamped, and folded back when not in use. This reduces the space occupied by the first and second pallets when not in use, and at the same time reduces safety risks and improves the safety of the production operation environment.

[0015] The stamping die provided by this utility model, by setting a foldable pallet assembly, can not only improve the stability of the local stamping process of the product, but also avoid the first pallet and the second pallet occupying too much production space, which helps to eliminate safety hazards in the production environment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the foldable tray assembly according to Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the structure of the first tray and the second tray in Embodiment 1 of this utility model; Figure 3 This is a schematic diagram of the structure of the first connecting plate and the second connecting plate in Embodiment 1 of this utility model; Figure 4 This is an exploded view of the structure of the first elastic snap-fit ​​component in Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the connecting screw and limiting sleeve in Embodiment 1 of this utility model; Figure 6 This is a schematic diagram of the structure of the first connecting plate and the second connecting plate in Embodiment 2 of this utility model; Figure 7 This is a structural schematic diagram of the foldable tray assembly according to Embodiment 2 of this utility model; Figure 8 This is a schematic diagram of the structure of the first tray and the second tray in Embodiment 2 of this utility model; Figure 9 This is a schematic diagram of the stamping die of Embodiment 3 of this utility model; Figure 10This is a schematic diagram of the structure of the first fixing screw and the second fixing screw in Embodiment 3 of this utility model.

[0017] Marked in the image: 1. First connecting plate; 11. First slot; 12. Second slot; 2. Second connecting plate; 21. Third slot; 22. Fourth slot; 3. First support plate; 31. First elastic locking component; 311. Piston body; 312. Connecting spring; 313. Locking ball; 4. Second tray; 41. Second elastic clip; 5. Connecting screws; 6. Limiting sleeve; 100. Mounting base; 200. Upper mold; 300. Lower mold; 400. Foldable pallet assembly; 500. First fixing screw; 600. Second fixing screw. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are some, but not all, of the embodiments of this utility model.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] Example 1 refer to Figures 1 to 5 The foldable pallet assembly provided in this embodiment includes a first connecting plate 1 and a second connecting plate 2 arranged side by side. The first connecting plate 1 and the second connecting plate 2 can be used for the installation and fixation of the foldable pallet assembly. A first pallet 3 is rotatably connected to the end of the first connecting plate 1, and a second pallet 4 is rotatably connected to the end of the second connecting plate 2. Both the first pallet 3 and the second pallet 4 can rotate in the horizontal direction. The first pallet 3 and the second pallet 4 are respectively used to abut and support the opposite sides of the product to be stamped, thereby achieving stable support for the product during the stamping process.

[0021] A first elastic latching member 31 is provided on one side of the rotation axis on the first tray 3. A first slot 11 and a second slot 12 are formed on the first connecting plate 1 around the rotation axis of the first tray 3. The first elastic latching member 31 can be latched into the first slot 11 or the second slot 12. The first slot 11 is used for positioning and locking when the first tray 3 is unfolded, and the second slot 12 is used for positioning and locking when the first tray 3 is folded back. The relative position between the first slot 11 and the second slot 12 can be determined according to the unfolding range and the retracted position of the first tray 3.

[0022] Understandably, the first elastic locking member 31 extends out of the surface of the first tray 3 in its natural state, and will temporarily retract when subjected to external pressure. Therefore, when the first elastic locking member 31 is located in the position of the first slot 11 or the second slot 12, it can extend and lock into the first slot 11 or the second slot 12, thereby locking the position of the first tray 3.

[0023] A second elastic locking member 41 is provided on one side of the rotation axis on the second tray 4. The structure of the second elastic locking member 41 is the same as that of the first elastic locking member 31. A third slot 21 and a fourth slot 22 are provided on the second connecting plate 2 around the rotation axis of the second tray 4. The second elastic locking member 41 is engaged with the third slot 21 or the fourth slot 22. Similarly, the third slot 21 is used for positioning and locking when the second tray 4 is unfolded, and the fourth slot 22 is used for positioning and locking when the second tray 4 is folded back. The relative position between the third slot 21 and the fourth slot 22 can be determined according to the unfolding range and the retracted position of the second tray 4.

[0024] In some embodiments, the first elastic snap fastener 31 may be disposed on the first connecting plate 1, the first slot 11 and the second slot 12 may be disposed on the first support plate 3, the second elastic snap fastener 41 may be disposed on the second connecting plate 2, and the third slot 21 and the fourth slot 22 may be disposed on the second support plate 4.

[0025] In this embodiment, the first slot 11, the second slot 12, the third slot 21 and the fourth slot 22 have the same structure. The first slot 11, the second slot 12, the third slot 21 and the fourth slot 22 can all be through holes or blind holes, preferably through holes, so as to facilitate observation and determination of the engagement state of the first elastic snap fastener 31 and the second elastic snap fastener 41.

[0026] In one embodiment, the first elastic locking member 31 includes a plunger body 311, a connecting spring 312, and a locking ball 313. The plunger body 311 is embedded in the first support plate 3, and a groove is formed on the plunger body 311. The connecting spring 312 is vertically disposed inside the groove of the plunger body 311, and its two ends are respectively connected to the bottom wall of the groove of the plunger body 311 and the locking ball 313. The locking ball 313 is at least partially exposed outside the groove of the plunger body 311 and is used to lock into the first slot 11 or the second slot 12. Because the surface of the locking ball 313 is smooth, it is easier for the locking ball 313 to retract under the squeezing action of the first connecting plate 1 during the rotation of the first support plate 3. Therefore, the first support plate 3 can be easily unfolded and retracted by manually turning it, without the need for other tools, making the operation more convenient. The structure of the second elastic clip 41 is the same as that of the first elastic clip 31, and will not be described in detail here.

[0027] In some embodiments, the foldable tray assembly further includes a connecting screw 5 and a limiting sleeve 6 sleeved outside the connecting screw 5. The first tray 3 is rotatably connected to the first connecting plate 1 via the connecting screw 5 and the limiting sleeve 6. The connecting screw 5 passes through the first connecting plate 1 and is screwed onto the first tray 3. The limiting sleeve 6 is embedded in the first connecting plate 1 and has a clearance fit with the first connecting plate 1. In this embodiment, the end of the limiting sleeve 6 near the first tray 3 is flush with the surface of the first connecting plate 1 near the first tray 3 and abuts against the first tray 3. This allows the first tray 3 to fit more closely to the first connecting plate 1, which helps to enhance the connection reliability between the first tray 3 and the first connecting plate 1. It should be noted that the second tray 4 can also be rotatably connected to the second connecting plate 2 via the connecting screw 5 and the limiting sleeve 6.

[0028] Example 2 As a further optimization of Example 1, refer to Figures 6 to 8 The perpendicular segment from the center of the first slot 11 to the center of the rotation axis of the first support plate 3 is L1, and the perpendicular segment from the center of the second slot 12 to the center of the rotation axis of the first support plate 3 is L2, with L1 perpendicular to L2. The perpendicular segment from the center of the third slot 21 to the center of the rotation axis of the second support plate 4 is L3, and the perpendicular segment from the center of the fourth slot 22 to the center of the rotation axis of the second support plate 4 is L4, with L3 perpendicular to L4. Simultaneously, L1 is parallel to L3, and L2 is parallel to L4.

[0029] Understandably, both the first pallet 3 and the second pallet 4 can rotate 90°. When the first pallet 3 and the second pallet 4 are unfolded, the first elastic locking piece 31 engages with the first slot 11, and the second elastic locking piece 41 engages with the third slot 21. At this time, the first pallet 3 and the second pallet 4 are parallel and have a certain distance between them, which can be used to support the product. When the first pallet 3 and the second pallet 4 are folded back, the first pallet 3 can be rotated 90° and the first elastic locking piece 31 can be engaged with the second slot 12, and the second pallet 4 can be rotated 90° and the second elastic locking piece 41 can be engaged with the fourth slot 22. At this time, the first pallet 3 and the second pallet 4 are parallel and both are close to the stamping die.

[0030] It should be noted that the folding and retraction process of the first pallet 3 and the second pallet 4 can be set to rotate the first pallet 3 and the second pallet 4 in opposite directions, in opposite directions, or in the same direction. Ultimately, it is only necessary to ensure that the first pallet 3 and the second pallet 4 are both located close to the stamping die. It is preferable to rotate in opposite directions, so that the first pallet 3 and the second pallet 4 occupy the minimum production space.

[0031] In this embodiment, the first tray 3 is rotatably connected to the top of the first connecting plate 1, and the second tray 4 is rotatably connected to the top of the second connecting plate 2. The top surface height of the first tray 3 is equal to the top surface height of the second tray 4. The length of the first connecting plate 1 is D1, the length of the second connecting plate 2 is D2, and the width of both the first tray 3 and the second tray 4 is D3. The foldable tray assembly has the following relationship: D1 + D3 ≤ D2.

[0032] It is understandable that the length of the first connecting plate 1 is less than the length of the second connecting plate 2, and the length difference between the first connecting plate 1 and the second connecting plate 2 is greater than or equal to the width of the second pallet 4. Thus, the first pallet 3 and the second pallet 4 can be rotated in opposite directions when folded back. When fully retracted, the first pallet 3 is close to the stamping die, while the second pallet 4 is located on the side of the first pallet 3 away from the stamping die and close to the first pallet 3. This makes the layout of the first pallet 3 and the second pallet 4 after folding back more compact, which is conducive to further reducing the space occupied.

[0033] Furthermore, the length of the first tray 3 is D4, and the distance between the first connecting plate 1 and the second connecting plate 2 is D5. The foldable tray assembly has the relationship: D4-D3<D5. Since the length of the first connecting plate 1 is shorter than the length of the second connecting plate 2, in order to ensure the balance of product support, the length of the first tray 3 will be greater than the length of the second tray 4. By setting the relationship: D4-D3<D5, it can be ensured that there is sufficient distance between the first connecting plate 1 and the second connecting plate 2 to accommodate the first tray 3.

[0034] Furthermore, the length of the second tray 4 is D6, and the foldable tray assembly has the relationship: D6 + D3 ≤ D4. This ensures that the first tray 3 and the second tray 4 are parallel to each other when folded back, and that there is a certain gap between the first tray 3 and the second tray 4 to prevent interference or friction.

[0035] Example 3 refer to Figures 9 to 10 The stamping die provided in this embodiment includes a mounting base 100, an upper die 200, a lower die 300, and a foldable pallet assembly 400 of embodiment 1 or 2. The lower die 300 and the foldable pallet assembly 400 are both disposed on the top of the mounting base 100, and the foldable pallet assembly 400 is located on one side of the lower die 300, while the upper die 200 is disposed above the lower die 300.

[0036] During the stamping operation, the first pallet 3 and the second pallet 4 of the foldable pallet assembly 400 are first unfolded. Then, the product to be stamped is placed on the first pallet 3, the second pallet 4, and the lower die 300. The product can be partially stamped by the pressing of the upper die 200 and the lower die 300. In practical applications, the height difference between the support surface of the foldable pallet assembly 400 and the stamping contact surface of the lower die 300 can be set according to actual needs.

[0037] In this embodiment, the stamping die also includes a first fixing screw 500 and a second fixing screw 600. The first connecting plate 1 is connected to the mounting base 100 via the first fixing screw 500, and the second connecting plate 2 is connected to the mounting base 100 via the second fixing screw 600. The first fixing screw 500 and the second fixing screw 600 have the same structure and can both be internal hexagon screws. By using the first fixing screw 500 and the second fixing screw 600 to install and fix the first connecting plate 1 and the second connecting plate 2 respectively, the foldable pallet assembly 400 can be detached, thereby providing greater flexibility in the use of the stamping die.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0040] In this invention, unless otherwise expressly specified and limited, "above or below" the first feature may include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on" the first feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the first feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] Although the description of this utility model has been given in conjunction with the specific embodiments described above, it is obvious to those skilled in the art that many substitutions, modifications, and variations can be made based on the above description. Therefore, all such substitutions, modifications, and variations are included within the spirit and scope of the appended claims.

Claims

1. A foldable pallet assembly comprising: It includes a first connecting plate (1) and a second connecting plate (2) arranged side by side. The end of the first connecting plate (1) is rotatably connected to a first support plate (3), and the end of the second connecting plate (2) is rotatably connected to a second support plate (4). The first tray (3) is provided with a first elastic snap-fit ​​member (31) on one side of the rotating shaft. The first connecting plate (1) is provided with a first slot (11) and a second slot (12) around the rotating shaft of the first tray (3). The first elastic snap-fit ​​member (31) is snapped into the first slot (11) or the second slot (12). The second tray (4) is provided with a second elastic snap-fit ​​member (41) on one side of the rotating shaft. The second connecting plate (2) is provided with a third slot (21) and a fourth slot (22) around the rotating shaft of the second tray (4). The second elastic snap-fit ​​member (41) snaps into the third slot (21) or the fourth slot (22).

2. The collapsible pallet assembly of claim 1, wherein, The first elastic snap-fit ​​component (31) includes a plunger body (311), a connecting spring (312), and a snap-fit ​​ball (313). The plunger body (311) is disposed on the first support plate (3). The connecting spring (312) is disposed vertically inside the plunger body (311) and the connecting spring (312) is connected between the plunger body (311) and the snap-fit ​​ball (313). The snap-fit ​​ball (313) is at least partially exposed outside the plunger body (311).

3. The collapsible pallet assembly of claim 1, wherein, The perpendicular line segment from the center of the first slot (11) to the center of the rotation axis of the first support plate (3) is L1, and the perpendicular line segment from the center of the second slot (12) to the center of the rotation axis of the first support plate (3) is L2, and L1 is perpendicular to L2. The perpendicular line segment from the center of the third slot (21) to the center of the rotation axis of the second support plate (4) is L3, and the perpendicular line segment from the center of the fourth slot (22) to the center of the rotation axis of the second support plate (4) is L4. L3 is perpendicular to L4.

4. The collapsible pallet assembly of claim 3, wherein, The first tray (3) is rotatably connected to the top of the first connecting plate (1), and the second tray (4) is rotatably connected to the top of the second connecting plate (2). The top surface height of the first tray (3) is equal to the top surface height of the second tray (4).

5. The collapsible pallet assembly of claim 4, wherein, The length of the first connecting plate (1) is D1, the length of the second connecting plate (2) is D2, the width of the first tray (3) and the second tray (4) is D3, and the foldable tray assembly has the following relationship: D1+D3≤D2.

6. The collapsible pallet assembly of claim 5, wherein, The length of the first pallet (3) is D4, the distance between the first connecting plate (1) and the second connecting plate (2) is D5, and the foldable pallet assembly has the following relationship: D4-D3<D5.

7. The collapsible pallet assembly of claim 6, wherein, The length of the second pallet (4) is D6, and the foldable pallet assembly has the following relationship: D6+D3≤D4.

8. The collapsible pallet assembly of claim 1, wherein, It also includes a connecting screw (5) and a limiting sleeve (6) sleeved outside the connecting screw (5). The first support plate (3) is rotatably connected to the first connecting plate (1) through the connecting screw (5) and the limiting sleeve (6). The connecting screw (5) passes through the first connecting plate (1) and is screwed to the first support plate (3). The limiting sleeve (6) is embedded in the first connecting plate (1) and has a clearance fit with the first connecting plate (1).

9. A stamping die characterized by, The device includes a mounting base (100), an upper mold (200), a lower mold (300), and a foldable pallet assembly (400) as described in any one of claims 1-8. The lower mold (300) and the foldable pallet assembly (400) are both disposed on the top of the mounting base (100), and the foldable pallet assembly (400) is located on one side of the lower mold (300). The upper mold (200) is disposed above the lower mold (300).

10. The stamping die of claim 9, wherein, It also includes a first fixing screw (500) and a second fixing screw (600), the first connecting plate (1) is connected to the mounting base (100) by the first fixing screw (500), and the second connecting plate (2) is connected to the mounting base (100) by the second fixing screw (600).

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