Lower die mechanism and stamping die

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a lower die mechanism and a stamping die, and the lower die mechanism comprises a lower die frame, a jacking driving piece, a material jacking plate and an engraving assembly; the jacking driving piece is installed on the lower die frame, the material jacking plate is installed on the jacking driving piece, and a containing space is formed between the material jacking plate and the lower die frame. The jacking driving piece is located in the containing space. A first through hole communicated with the accommodating space is formed in the ejector plate; and the marking assembly comprises a supporting block installed on the lower die frame and a marking body installed on the supporting block, at least one part of the supporting block and the marking body are located in the containing space, and the marking body is used for entering and exiting the first through hole when the jacking driving piece drives the jacking plate to ascend and descend. According to the stamping device, after an operator dismantles the supporting block from the lower die frame from the outside, the stamping assembly can be taken out from the containing space in a pulling mode, the operator can dismantle the stamping assembly without entering the lower die frame, and the stamping assembly is easy to dismantle and install and high in safety.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die technical field, especially, relate to lower die mechanism and stamping die. BACKGROUND

[0002] The stamping process is to stamp the sheet metal in the upper die and lower die, because the upper die and lower die are provided with different die grooves and protrusions, different shapes can be stamped on the sheet metal when the upper die and lower die are combined. In order to show the production date, vehicle logo and other information of the vehicle, it is necessary to set a marking block on the upper die or lower die, which can mark the production date, vehicle logo and other information on the sheet metal when the upper die and lower die are combined.

[0003] In the prior art, the marking block is usually arranged at the middle part of the upper die or lower die. When the marking block is replaced, the worker needs to enter the internal space formed by the upper die or lower die to replace the marking block, which has great safety hazards and low replacement efficiency. SUMMARY

[0004] The utility model discloses to the technical problem of great safety hazards and low replacement efficiency of the marking block on the upper die or lower die in the prior art, and provides a lower die mechanism and stamping die.

[0005] To solve the above problems, the utility model embodiment provides a lower die mechanism, which comprises a lower die frame, a jacking driving part, a material lifting plate and a marking assembly, the jacking driving part is installed on the lower die frame, the material lifting plate is installed on the jacking driving part and forms a containing space with the lower die frame, and the jacking driving part is located in the containing space.

[0006] A first through hole communicating with the containing space is arranged on the material lifting plate, the marking assembly comprises a supporting block installed on the lower die frame and a marking body installed on the supporting block, at least a part of the supporting block and the marking body are located in the containing space, and the marking body is used for entering and exiting the first through hole when the jacking driving part drives the material lifting plate to lift.

[0007] Optionally, the marking assembly further comprises a fixing seat and a fixing block, the fixing seat is installed on the supporting block, at least a part of the fixing seat is located in the containing space, and the marking body is installed on the fixing seat, the fixing block is installed on one end of the supporting block away from the fixing seat, the fixing block is connected with the lower die frame and located outside the containing space.

[0008] Optionally, a guide groove for guiding the combination is arranged on the lower die frame, and the fixing block is connected with the inner wall of the guide groove.

[0009] Optionally, the fixing block is provided with a first fixing hole, the inner wall of the guide groove is provided with a second fixing hole, and the fixing block is fixedly installed on the inner side wall of the guide groove through a fastener inserted into the first fixing hole and the second fixing hole.

[0010] Optionally, the fixing seat is provided with a mounting hole, and the marking body is installed in the mounting hole.

[0011] Optionally, the lower die mechanism further comprises a limiting block installed on the lower die frame and located in the containing space, and the limiting block is used for abutting against the top material plate when the top material plate descends to a first preset height to limit the downward stroke of the top material plate.

[0012] Optionally, the top material plate is further provided with a second through hole communicating with the containing space, and the lower die mechanism further comprises an upper limiting piece; the upper limiting piece comprises an abutting block and a connecting rod installed on the lower die frame, one end of the connecting rod away from the lower die frame penetrates through the containing space and the second through hole to connect the abutting block, and the abutting block is used for abutting against the top material plate when the top material plate rises to a second preset height to limit the upward stroke of the top material plate.

[0013] Optionally, the top material plate is further provided with a guide hole communicating with the containing space, and the lower die mechanism further comprises a guide piece installed on the lower die frame and located in the containing space; one end of the guide piece away from the lower die frame is slidingly inserted into the guide hole.

[0014] Optionally, the lower die mechanism further comprises a first bending guide block and a second bending guide block which are spaced apart and installed on the lower die frame, and opposite sides of the top material plate abut against the first bending guide block and the second bending guide block respectively; and the containing space is surrounded by the lower die frame, the top material plate, the first bending guide block and the second bending guide block.

[0015] Another embodiment of the utility model further provides a stamping die which comprises an upper die mechanism and the lower die mechanism, the upper die mechanism comprises an upper die frame, and the upper die frame and the lower die frame are closed to be used for marking a preset pattern on a to-be-marked piece.

[0016] The utility model discloses a top material board is installed on the jacking drive and forms the containing space between with lower mould base, be equipped with the first through -hole of intercommunication of containing space on top material board, the marking assembly includes the support block of installation on lower mould base and the marking body of installation on support block, at least a part of support block and marking body are located in containing space, the marking of waiting ( sheet metal etc.) is placed on top material board, and when the upper die and lower mould close, the upper die will extrude the marking of waiting on top material board and drive top material board to go down, and the marking body is from first through -hole and is in contact with the marking of waiting, thereby the marking body can mark the corresponding pattern on the marking of waiting.

[0017] In addition, one end of the support block away from the marking body is located outside the containing space and connected to the lower mould base. After the jacking drive drives the top material board to rise, the operator can take out the marking assembly from the containing space by pulling after disassembling the support block from the lower mould base outside. The operator can disassemble the marking assembly without entering the inside of the lower mould base. The disassembly and assembly of the marking assembly are simple and safe, and the replacement efficiency of the marking assembly is improved.

[0018] In addition, the support block can support the marking body, so that the marking body and the marking of waiting are in hard contact, thereby improving the clarity of the pattern marked by the marking body and ensuring the marking quality of the lower mould mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further illustrated below in combination with the drawings and examples.

[0020] Figure 1 An embodiment of the utility model provides the structure schematic diagram of lower mould mechanism in the top -up state.

[0021] Figure 2 An embodiment of the utility model provides the partial structure schematic diagram of lower mould mechanism.

[0022] Figure 3 For Figure 2 The local enlarged view of A in the middle.

[0023] Figure 4 An embodiment of the utility model provides the structure schematic diagram of lower mould mechanism in the closed state.

[0024] The reference signs in the specification are as follows:

[0025] 1, lower die frame; 11, containing space; 12, guide groove; 13, limiting block; 14, upper limiting piece; 15, guide piece; 2, jacking driving piece; 3, ejector plate; 31, first through hole; 4, marking assembly; 41, support block; 42, marking body; 43, fixing seat; 431, mounting hole; 44, fixed block; 5, first bending guide block; 6, second bending guide block. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0027] It should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0028] As shown in Figures 1 to 4 The utility model embodiment provides a lower die mechanism, including lower die frame 1, jacking driving piece 2, ejector plate 3 and marking assembly 4, jacking driving piece 2 is installed on lower die frame 1, and ejector plate 3 is installed on jacking driving piece 2 and forms containing space 11 with lower die frame 1, jacking driving piece 2 is located in containing space 11, can be understood, jacking driving piece 2 includes but is not limited to pneumatic cylinder, hydraulic cylinder and linear motor etc., and jacking driving piece 2 can drive ejector plate 3 and move in vertical direction on lower die frame 1, when ejector plate 3 moves down, ejector plate 3 will compress containing space 11, when ejector plate 3 moves up, will expand containing space 11.

[0029] The top material plate 3 is provided with a first through hole 31 communicating with the containing space 11; the stamping assembly 4 comprises a supporting block 41 mounted on the lower die frame 1 and a stamping body 42 mounted on the supporting block 41, at least a part of the supporting block 41 and the stamping body 42 are located in the containing space 11, and the stamping body 42 is used to go in and out of the first through hole 31 when the jacking drive 2 drives the top material plate 3 to lift. Understandably, the stamping body 42 is provided with a stamping convex part at one end away from the supporting block 41, the shape of the stamping convex part can be set according to actual requirements, and the stamping convex part can stamp a corresponding pattern on a to-be-stamped part (sheet metal, etc.); one end of the supporting block 41 away from the stamping body 42 is located outside the containing space 11, and one end of the supporting block 41 close to the stamping body 42 is located in the containing space 11; the stamping body 42 is located in the first through hole 31 or directly below the first through hole 31.

[0030] In the utility model, the top material plate 3 is installed on the jacking drive 2 and forms a containing space 11 with the lower die frame 1, the top material plate 3 is provided with a first through hole 31 communicating with the containing space 11; the stamping assembly 4 comprises a supporting block 41 mounted on the lower die frame 1 and a stamping body 42 mounted on the supporting block 41, at least a part of the supporting block 41 and the stamping body 42 are located in the containing space 11; a to-be-stamped part (sheet metal, etc.) is placed on the top material plate 3, when the upper die frame and the lower die frame 1 are closed, the upper die frame will extrude the to-be-stamped part on the top material plate 3 and drive the top material plate 3 to move downwards, the stamping body 42 extends from the first through hole 31 and contacts the to-be-stamped part, so that the stamping body 42 can stamp a corresponding pattern on the to-be-stamped part.

[0031] In addition, one end of the supporting block 41 away from the stamping body 42 is located outside the containing space 11 and is connected to the lower die frame 1, after the jacking drive 2 drives the top material plate 3 to ascend, the operator can take out the stamping assembly 4 from the containing space 11 by pulling after dismounting the supporting block 41 from the lower die frame 1 outside, the worker can dismount the stamping assembly 4 without entering the inside of the lower die frame 1, the stamping assembly 4 is simple in dismounting operation and high in safety, and the replacement efficiency of the stamping assembly 4 is improved.

[0032] In addition, the supporting block 41 can support the stamping body 42, so that the stamping body 42 and the to-be-stamped part are in hard contact, thereby improving the definition of the pattern stamped by the stamping body 41 and ensuring the stamping quality of the lower die mechanism.

[0033] In an embodiment, as Figures 1 to 3As shown, the stamping assembly 4 further comprises a fixing seat 43 and a fixing block 44, the fixing seat 43 is installed on the support block 41, and at least a part of the fixing seat 43 is located in the containing space 11, and the stamping body 42 is installed on the fixing seat 43; the fixing block 44 is installed on the end of the support block 41 away from the fixing seat 43, and the fixing block 44 is connected to the lower die set 1 and located outside the containing space 11. Understandably, the fixing seat 43 is located directly below the first through hole 31 and cannot be inserted into the first through hole 31. In this embodiment, the fixing block 44 is located outside the containing space 11, and the fixing block 44 and the lower die set 1 can be connected by fasteners such as screws and bolts, and the disassembly and assembly operation between the fixing block 44 and the lower die set 1 is simple; during the process of the stamping body 42 stamping the object to be stamped, the fixing seat 43 can support the stamping body 42.

[0034] In an embodiment, as shown in Figures 1 to 3 As shown, the lower die set 1 is provided with a guide groove 12 for mold closing guide, and the fixing block 44 is connected to the inner wall of the guide groove 12. Understandably, the guide groove 12 is located at the side, front or bottom of the containing space 11; the upper die set is provided with a guide protrusion matched with the guide groove 12, and when the upper die set of the upper die mechanism and the lower die set 1 of the lower die mechanism are closed, the guide protrusion is inserted into the guide groove 12, thereby ensuring the stability of the upper die set and the lower die set 1 during mold closing. In this embodiment, the fixing block 44 is connected to the side wall of the guide groove 12, further improving the convenience of disassembly and assembly between the fixing block 44 and the lower die set 1.

[0035] In an embodiment, as shown in Figure 2 and Figure 3 As shown, the fixing block 44 is provided with a first fixing hole, the inner wall of the guide groove 12 is provided with a second fixing hole, and the fixing block 44 is fixedly installed on the inner wall of the guide groove 12 by inserting the fastener into the first fixing hole and the second fixing hole. Understandably, the fastener includes but is not limited to screws, bolts and the like; the fixing member is inserted into the first fixing hole and the second fixing hole, so that the fastener installs the fixing block 44 on the lower die set 1.

[0036] In an embodiment, as shown in Figure 2 and Figure 3 As shown, the fixing seat 43 is provided with a mounting hole 431, and the stamping body 42 is installed in the mounting hole 431. Understandably, the design of the mounting hole 431 facilitates the installation of the stamping body 42 on the fixing seat 43.

[0037] In an embodiment, as shown inFigure 1 and Figure 2 As shown, the lower mold mechanism further includes a limiting block 13 mounted on the lower mold frame 1 and located in the receiving space 11. The limiting block 13 is used to abut against the top plate 3 when the top plate 3 descends to a first preset height to limit the downward movement of the top plate 3. It can be understood that the first preset height can be set according to actual needs. Specifically, when the upper mold frame and the lower mold frame 1 are closed, the upper mold frame will drive the top plate 3 downward until the top plate 3 abuts against the limiting block 13, thereby limiting the downward movement of the top plate 3.

[0038] In one embodiment, such as Figure 1 and Figure 2 As shown, the top plate 3 is also provided with a second through hole communicating with the receiving space 11. The lower mold mechanism also includes an upper limit member 14. The upper limit member 14 includes an abutment block and a connecting rod installed on the lower mold frame 1. One end of the connecting rod away from the lower mold frame 1 passes through the receiving space 11 and the second through hole and connects to the abutment block. The abutment block is used to abut against the top plate 3 when the top plate 3 rises to a second preset height to limit the upward movement of the top plate 3. It can be understood that the second preset height can be set according to actual needs. The bottom of the connecting rod is installed on the lower mold frame 1, and the abutment block is located above the top plate 3. In this embodiment, the lifting drive 2 drives the top plate 3 to move upward until the top plate 3 abuts against the top of the abutment block, so that the upper limit member 14 can limit the upward movement of the top plate 3.

[0039] In one embodiment, such as Figure 1 and Figure 2 As shown, the top plate 3 is also provided with a guide hole communicating with the receiving space 11. The lower mold mechanism also includes a guide member 15 installed on the lower mold frame 1 and located in the receiving space 11; one end of the guide member 15 away from the lower mold frame 1 is slidably inserted into the guide hole. Understandably, the bottom of the guide member 15 is installed on the lower mold frame 1, and the top of the guide member 15 is inserted into the guide hole. In this embodiment, during the up-and-down movement of the top plate 3, the guide member 15 slides in the guide hole, thereby ensuring the stability of the up-and-down movement of the top plate 3.

[0040] In one embodiment, such as Figure 1 Figure 2 Figure 1As shown, the lower die mechanism further comprises a first bending guide block 5 and a second bending guide block 6 which are spacedly installed on the lower die frame 1, and the opposite two sides of the material pushing plate 3 respectively abut against the first bending guide block 5 and the second bending guide block 6; the accommodating space 11 is surrounded by the lower die frame 1, the material pushing plate 3, the first bending guide block 5 and the second bending guide block 6.

[0041] Specifically, when the upper die frame and the lower die frame 1 are closed, the upper die frame can not only mark the corresponding pattern on the to-be-marked member through the marking body 42, but also make the to-be-marked member bend at the first bending guide block 5 and / or the second bending guide block 6, so that the lower die mechanism not only has the marking function, but also has the function of bending the to-be-marked member, thereby improving the applicability and versatility of the lower die mechanism.

[0042] Another embodiment of the utility model further provides a punch die which comprises an upper die mechanism (not shown in the figure) and the lower die mechanism, the upper die mechanism comprises an upper die frame, and the upper die frame and the lower die frame 1 are closed to mark a preset pattern on a to-be-marked member.

[0043] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lower die mechanism characterized by, The lower die mechanism comprises a lower die frame, a lifting driving element, a material lifting plate and an engraving assembly; the lifting driving element is installed on the lower die frame, the material lifting plate is installed on the lifting driving element and forms a containing space with the lower die frame; the lifting driving element is located in the containing space; The material lifting plate is provided with a first through hole communicating with the containing space; the engraving assembly comprises a supporting block installed on the lower die frame and an engraving body installed on the supporting block, at least a part of the supporting block and the engraving body are located in the containing space, and the engraving body is used for entering and exiting the first through hole when the lifting driving element drives the material lifting plate to lift and drop.

2. The lower die mechanism according to claim 1, characterized by, The engraving assembly further comprises a fixing seat and a fixing block, the fixing seat is installed on the supporting block, at least a part of the fixing seat is located in the containing space, and the engraving body is installed on the fixing seat; the fixing block is installed on an end of the supporting block away from the fixing seat, the fixing block is connected to the lower die frame and located outside the containing space.

3. The lower die mechanism of claim 2, wherein, The lower die frame is provided with a guide groove for mold closing guide, and the fixing block is connected to the inner wall of the guide groove.

4. The lower die mechanism of claim 3, wherein, The fixing block is provided with a first fixing hole, the inner wall of the guide groove is provided with a second fixing hole, and the fixing block is fixedly installed on the inner wall of the guide groove through a fastener inserted in the first fixing hole and the second fixing hole.

5. The lower die mechanism of claim 2, wherein, The fixing seat is provided with a mounting hole, and the engraving body is installed in the mounting hole.

6. The lower die mechanism of claim 1, wherein, The lower die mechanism further comprises a limiting block installed on the lower die frame and located in the containing space, and the limiting block is used for abutting against the material lifting plate to limit the downward stroke of the material lifting plate when the material lifting plate drops to a first preset height.

7. The lower die mechanism of claim 1, wherein, The material lifting plate is further provided with a second through hole communicating with the containing space, and the lower die mechanism further comprises an upper limiting element; the upper limiting element comprises an abutting block and a connecting rod installed on the lower die frame, an end of the connecting rod away from the lower die frame penetrates through the containing space and the second through hole to connect the abutting block, and the abutting block is used for abutting against the material lifting plate to limit the upward stroke of the material lifting plate when the material lifting plate rises to a second preset height.

8. The lower die mechanism of claim 1, wherein, The material lifting plate is further provided with a guide hole communicating with the containing space, and the lower die mechanism further comprises a guide element installed on the lower die frame and located in the containing space; an end of the guide element away from the lower die frame is slidingly inserted in the guide hole.

9. The lower die mechanism of claim 1, wherein, The lower die mechanism further comprises a first bending guide block and a second bending guide block which are installed on the lower die frame at intervals, and opposite sides of the material lifting plate abut against the first bending guide block and the second bending guide block respectively; the containing space is surrounded by the lower die frame, the material lifting plate, the first bending guide block and the second bending guide block.

10. A stamping die characterized by, The lower die mechanism comprises a lower die frame, a lifting driving element, a material lifting plate and an engraving assembly; the lifting driving element is installed on the lower die frame, the material lifting plate is installed on the lifting driving element and forms a containing space with the lower die frame; the lifting driving element is located in the containing space; The material lifting plate is provided with a first through hole communicating with the containing space; the engraving assembly comprises a supporting block installed on the lower die frame and an engraving body installed on the supporting block, at least a part of the supporting block and the engraving body are located in the containing space, and the engraving body is used for entering and exiting the first through hole. The engraving assembly further comprises a fixing seat and a fixing block, the fixing seat is installed on the supporting block, at least a part of the fixing seat is located in the containing space, and the engraving body is installed on the fixing seat; the fixing block is installed on an end of the supporting block away from the fixing seat, the fixing block is connected to the lower die frame and located outside the containing space. The lower die frame is provided with a guide groove for mold closing guide, and the fixing block is connected to the inner wall of the guide groove. The fixing block is provided with a first fixing hole, the inner wall of the guide groove is provided with a second fixing hole, and the fixing block is fixedly installed on the inner wall of the guide groove through a fastener inserted in the first fixing hole and the second fixing hole. The fixing seat is provided with a mounting hole, and the engraving body is installed in the mounting hole. The lower die mechanism further comprises a limiting block installed on the lower die frame and located in the containing space, and the limiting block is used for abutting against the material lifting plate to limit the downward stroke of the material lifting plate when the material lifting plate drops to a first preset height. The material lifting plate is further provided with a second through hole communicating with the containing space, and the lower die mechanism further comprises an upper limiting element; the upper limiting element comprises an abutting block and a connecting rod installed on the lower die frame, an end of the connecting rod away from the lower die frame penetrates through the containing space and the second through hole to connect the abutting block, and the abutting block is used for abutting against the material lifting plate to limit the upward stroke of the material lifting plate when the material lifting plate rises to a second preset height. The material lifting plate is further provided with a guide hole communicating with the containing space, and the lower die mechanism further comprises a guide element installed on the lower die frame and located in the containing space; an end of the guide element away from the lower die frame is slidingly inserted in the guide hole. The lower die mechanism further comprises a first bending guide block and a second bending guide block which are installed on the lower die frame at intervals, and opposite sides of the material lifting plate abut against the first bending guide block and the second bending guide block respectively; the containing space is surrounded by the lower die frame, the material lifting plate, the first bending guide block and the second bending guide block. The lower die mechanism comprises a lower die frame, a lifting driving element, a material lifting plate and an engraving assembly; the lifting driving element is installed on the lower die frame, the material lifting plate is installed on the lifting driving element and forms a containing space with the lower die frame; the lifting driving element is located in the containing space; The material lifting plate is provided with a first through hole communicating with the containing space; the engraving assembly comprises a supporting block installed on the lower die frame and an engraving body installed on the supporting block, at least a part of the supporting block and the engraving body are located in the containing space, and the engraving body is used for entering and exiting the first through hole. The engraving assembly further comprises a fixing seat and a fixing block, the fixing seat is installed on the supporting block, at least a part of the fixing seat is located in the containing space, and the engraving body is installed on the fixing seat; the fixing block is installed on an end of the supporting block away from the fixing seat, the fixing block is connected to the lower die frame and located outside the containing space. The lower die frame is provided with a guide groove for mold closing guide, and the fixing block is connected to the inner wall of the guide groove. The fixing block is provided with a first fixing hole, the inner wall of the guide groove is provided with a second fixing hole, and the fixing block is fixedly installed on the inner wall of the guide groove through a fastener inserted in the first fixing hole and the second fixing hole. The fixing seat is provided with a mounting hole, and the engraving body is installed in the mounting hole. The lower die mechanism further comprises a limiting block installed on the lower die frame and located in the containing space, and the limiting block is used for abutting against the material lifting plate to limit the downward stroke of the material lifting plate when the material lifting plate drops to a first preset height. The material lifting plate is further provided with a second through hole communicating with the containing space, and the lower die mechanism further comprises an upper limiting element; the upper limiting element comprises an abutting block and a connecting rod installed on the lower die frame, an end of the connecting rod away from the lower die frame penetrates through the containing space and the second through hole to connect the abutting block, and the abutting block is used for abutting against the material lifting plate to limit the upward stroke of the material lifting plate when the material lifting plate rises to a second preset height. The material lifting plate is further provided with a guide hole communicating with the containing space, and the lower die mechanism further comprises a guide element installed on the lower die frame and located in the containing space; an end of the guide element away from the lower die frame is slidingly inserted in the guide hole. The lower die mechanism further comprises a first bending guide block and a second bending guide block which are installed on the lower die frame at intervals, and opposite sides of the material lifting plate abut against the first bending guide block and the second bending guide block respectively; the containing space is surrounded by the lower die frame, the material lifting plate, the first bending guide block and the second bending guide block. The lower die mechanism comprises a lower die frame, a lifting driving element, a material lifting plate and an engraving assembly; the lifting driving element is installed on the lower die frame, the material lifting plate is installed on the lifting driving element and forms a containing space with

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