Double-material-belt cross buckling stamping die

Abstract

The utility model discloses a double-material-belt cross buckling stamping die which comprises an upper die, a lower die, a first material belt feeding in the first feeding direction and a second material belt feeding in the direction perpendicular to the first direction, first parts are arranged on the first material belt and provided with buckling portions, second parts are arranged on the second material belt and provided with buckling portions, and the first parts are provided with buckling portions. The part II is provided with a connecting part; the bending assembly is arranged at the intersection of the two material belts, and the buckling part on the first part is bent downwards to be buckled with the second part; the sliding block forming insert core is arranged in the lower die, and the sliding block forming insert core is matched with the bending assembly for bending; the limiting assembly is used for positioning the second part so that the second part can be buckled with the first part. The utility model has the beneficial effects that the bending and buckling processing of two parts are realized and the assembly of the parts is completed by adopting a cross-shaped material belt feeding mode, only one set of die is needed, the processing cost is low, the automatic processing is realized, the processing efficiency is high, and the product quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping and forming, in particular to a double-strip cross-buckle stamping die. Background Art

[0002] There are many products that require snap-fitting processing on the market. Most of them are assembled manually or automatically offline, which is costly. The processing structure using automated equipment is complex and costly. Manual processing is not only inefficient but also cannot guarantee the processing quality. Although snap-fitting molds exist in the prior art, they generally require multiple processing steps and multiple sets of molds. Therefore, a processing device with low cost and high processing efficiency is urgently needed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a double-strip cross-fastening stamping die to realize bending and parts fastening processing, automated processing, high processing efficiency, low cost, and good processed product quality.

[0004] Specifically, the utility model discloses a double-strip cross-locking stamping die, comprising: an upper die and a lower die, a first strip fed along a first feeding direction and a second strip fed along a perpendicular first direction, the first strip being arranged with a first part, the first part being provided with a locking portion, the second strip being provided with a second part, the second part being provided with a connecting portion;

[0005] The bending assembly is arranged at the intersection of the two material strips, and bends the fastening portion on the first part downward to fasten it to the second part;

[0006] A slider forming insert is arranged in the lower die, and the slider forming insert cooperates with the bending assembly for bending;

[0007] The limiting assembly comprises a limiting insert slidably arranged in the lower die, and is used for locating the position of the second part so that it is engaged with the first part.

[0008] The benefit of adopting the above technical solution is that it adopts the method of cross-belt feeding to realize the bending and snap-fitting processing of two parts and complete the assembly of parts. Only one set of molds is needed, the processing cost is low, the processing is automated, the processing efficiency is high, and the quality of the product is guaranteed.

[0009] Furthermore, the bending assembly includes a bending forming insert and a pressing insert arranged in the upper mold, and the bending forming insert is arranged on both sides of the pressing insert.

[0010] The benefit of adopting the above technical solution is that the pressing insert is used to fix the position of part one, and then the bending forming inserts on both sides are pressed down to complete the bending, so that the snap-fitting parts on both sides of part one are bent downward and snap-fitted with part two below.

[0011] Furthermore, the slider molding insert is provided with a molding part and a sliding part, the sliding part is slidably arranged in the lower mold and a spring is arranged on the side, and a knife insert for driving the slider molding insert to move is arranged in the upper mold.

[0012] Furthermore, the forming portion includes an upper bending surface and a lower shaping surface, the upper bending surface is a plane, and the lower shaping surface is an inclined surface, which are used to shape the part.

[0013] The benefit of adopting the above technical solution is that, when closing the mold, driven by the insert knife one, the slider forming insert moves to the bottom of part one, and the bending surface contacts the lower surface of part one. When bending, it cooperates with the bending forming insert to complete the bending. At the same time, the setting of the lower shaping surface can shape part two. When opening the mold, the insert knife one moves upward, and the slider forming insert returns to its position driven by the spring.

[0014] Furthermore, the limit assembly also includes a fixing part, which is arranged in the lower mold, and a fixing groove is arranged in the fixing part. The limit insert moves in the fixing groove, and a second insert is arranged in the upper mold, and the second insert drives the limit insert to move horizontally.

[0015] Furthermore, a floating member is provided below the fixing member, and the upper end of the floating member is connected to the fixing member so as to float up and down in the lower mold.

[0016] The advantage of adopting the above technical solution is that the setting of the fixing piece is used to limit the moving position of the limit insert, and the insert is driven by the fixing piece. At the same time, the fixing piece is set in a floating manner to play a floating role.

[0017] Furthermore, the connecting portion is a protruding block symmetrically arranged on both sides of the second component, and the buckling portion is provided with a mounting opening that cooperates with the protruding block.

[0018] The benefit of adopting the above technical solution is that after part one is bent, the installation port corresponds to the protruding blocks on both sides of part two, and part two is snapped into part one through the protruding blocks and the installation port. Only one set of molds is needed to complete the processing, avoiding multiple processing and multiple handling.

[0019] Furthermore, the limiting insert is provided with a protruding portion, and when the mold is closed, the protruding portion extends into the lower side of the second part to locate the position of the second part.

[0020] Furthermore, a positioning protrusion is provided on the upper surface of the limiting insert.

[0021] The benefit of adopting the above technical solution is that the setting of the extension part can locate the height position of the part two, and the setting of the positioning protrusion can locate the horizontal position of the part two, so that the bent part one and the part two fit tightly together. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required to be used in the embodiments or the description of the prior art will be briefly introduced below.

[0023] Figure 1 This is a schematic side view of the overall structure of the double-strip cross-buckle stamping die of the utility model.

[0024] Figure 2 This is a side view of the structure of the bending component, the limit component and the slider forming insert of the utility model.

[0025] Figure 3 This is a schematic diagram of the top view structure of the utility model removing the template

[0026] Figure 4 This is a schematic diagram of the connection structure between the slider forming insert, the limit insert and the product of the utility model.

[0027] Figure 5 This is a schematic diagram of the utility model limit entry structure

[0028] The reference numerals in the accompanying drawings are as follows:

[0029] Upper mold 1; first material strip 11; second material strip 12; part one 13; snap-fit ​​portion 131; installation port 132; part two 14; connecting portion 141; lower mold 2; shaping insert 21; slider forming insert 3; forming portion 31; upper bending surface 311; lower shaping surface 312; sliding portion 32; spring 33; limiting insert 4; extension portion 41; positioning protrusion 42; bending and forming insert 5; pressing insert 6; insert knife one 7; fixing member 8; fixing groove 81; floating member 82; insert knife two 9. DETAILED DESCRIPTION

[0030] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0031] like Figure 1-3As shown, the utility model discloses a double-strip cross-locking stamping die, comprising: an upper die 1 and a lower die 2, a first strip 11 fed along a first feeding direction and a second strip 12 fed along a perpendicular first direction, the first strip 11 is arranged with a part 13, the part 13 is provided with a locking portion 131, the second strip 12 is provided with a part 2 14, the part 2 14 is provided with a connecting portion 141; a bending station (not shown in the figure) is provided before the bending assembly, and a bending insert is provided, which is used to bend the two ends of the part 13 downward;

[0032] The bending assembly is arranged at the intersection of the two material strips, and bends the buckling portion 131 on the part 13 downward to buckle with the part 2 14;

[0033] The slider forming insert 3 is arranged in the lower mold 2, and the slider forming insert 3 cooperates with the bending assembly for bending;

[0034] The limiting assembly includes a limiting insert 4 slidably disposed in the lower mold 2, and is used to locate the position of the second part 14 so that it is engaged with the first part 13;

[0035] A cutting insert is provided in the upper die 1 to cut the second part 14 from the material strip.

[0036] The benefit of adopting the above technical solution is that it adopts the method of cross-belt feeding to realize the bending and snap-fitting processing of two parts and complete the assembly of parts. Only one set of molds is needed, the processing cost is low, the processing is automated, the processing efficiency is high, and the quality of the product is guaranteed.

[0037] In some embodiments, the bending assembly may adopt the following structural scheme, wherein the bending assembly includes a bending forming insert 5 and a pressing insert 6 arranged in the upper mold 1, and the bending forming insert 5 is arranged on both sides of the pressing insert 6.

[0038] The benefit of adopting the above technical solution is that the pressing insert 6 is used to fix the position of part one 13, and then the bending forming inserts 5 on both sides are pressed down to complete the bending, so that the locking portions 131 on both sides of part one 13 are bent downward and locked with part two 14 below.

[0039] In some embodiments, the slider molding insert 3 may adopt the following structural scheme (eg Figure 4As shown in the figure, the slider forming insert 3 is provided with a forming part 31 and a sliding part 32. The sliding part 32 is slidably arranged in the lower mold 2 and a spring 33 is arranged on the side. A connecting piece is arranged on the lower side of the slider forming insert 3. The connecting piece is fixedly arranged in the lower mold 2. The connecting piece is L-shaped. The sliding part 32 slides in the connecting piece. The spring 33 contacts the side of the connecting piece. The slider forming insert 3 is driven to return to its position by elastic force. The upper mold 1 is provided with a knife insert 7 for driving the slider forming insert 3 to move. The forming part 31 includes an upper bending surface 311 and a lower shaping surface 312. The upper bending surface 311 is a plane, and the lower shaping surface 312 is an inclined surface, which is used to shape the part 14 and further bend the end of the part 14. The shaping insert 21 is provided in the lower mold 2 to shape the bending part of the part 14.

[0040] The benefit of adopting the above technical solution is that, when the mold is closed, under the drive of the insert knife 7, the slider forming insert 3 moves to the bottom of the part 13, and the bending surface contacts the lower surface of the part 13. When bending, it cooperates with the bending forming insert 5 to complete the bending. At the same time, the setting of the lower shaping surface 312 can shape the part 2 14. When the mold is opened, the insert knife 7 moves upward, and the slider forming insert 3 returns to its position driven by the spring 33.

[0041] In some embodiments, the position limiting assembly may adopt the following structural scheme, wherein the position limiting assembly further comprises a fixing member 8, the fixing member 8 is arranged in the lower mold 2, a fixing groove 81 is arranged in the fixing member 8, the position limiting insert 4 moves in the fixing groove 81, and the moving direction is the second feeding direction, a second inserting knife insert 9 is arranged in the upper mold 1, the second inserting knife insert 9 drives the position limiting insert 4 to move horizontally, and the return of the position limiting insert 4 is also driven by a spring. A floating member 82 is arranged below the fixing member 8, the upper end of the floating member 82 is connected to the fixing member 8, and the lower end can be connected to the floating plate, and floats up and down in the lower mold 2.

[0042] The advantage of adopting the above technical solution is that the setting of the fixing member 8 is used to limit the moving position of the limit insert 4, and the inserting knife insert 9 is driven by the fixing member 8. At the same time, the fixing member 8 is set to float, which plays a role of floating material.

[0043] In some embodiments, the connecting portion 141 may adopt the following structural scheme: the connecting portion 141 is a protruding block symmetrically arranged on both sides of the part 2 14, and the snap-fitting portion 131 is provided with an installation opening 132 that cooperates with the protruding block.

[0044] The benefit of adopting the above technical solution is that after part one 13 is bent, the installation opening 132 corresponds to the protruding blocks on both sides of part two 14, and part two 14 is snapped into part one 13 through the protruding blocks and the installation opening 132. Only one set of molds is needed to complete the processing, avoiding multiple processing and multiple handling.

[0045] In some embodiments, the limit insert 4 can adopt the following structural scheme (such as Figure 5 As shown), the limiting insert 4 is provided with an extension portion 41. When the mold is closed, the extension portion 41 extends into the lower side of the part 2 14 to locate the position of the part 2 14. The upper surface of the limiting insert 4 is provided with a positioning protrusion 42. A pressing block is provided in the upper mold 1, which is located above the limiting insert 4 and cooperates with the limiting insert 4 to locate the position of the part 2 14.

[0046] The benefit of adopting the above technical solution is that the setting of the extension part 41 can locate the height position of the part 2 14, and the setting of the positioning protrusion 42 can locate the horizontal position of the part 2 14, so that the bent part 13 and the part 2 14 fit tightly.

[0047] During the working process, material belt 1 and material belt 2 are loaded and moved through automatic loading equipment. Material belt 1 is first bent by the bending station, and both ends are bent downward by 90 degrees. Then part 13 and part 2 14 reach the intersection, and the insert 1 7 descends with the process of mold closing, driving the slider forming insert 3 to extend under part 13. At this time, the bending forming insert 5 of the upper mold 1 bends the two sides of part 13 downward, and the insert 2 9 drives the limit insert 4 to move to the lower side of part 2 14, so that the connecting parts 141 on both sides of part 2 14 are buckled and connected with part 13, completing the bending and buckling assembly of the two parts. Only one set of molds is needed, the cost is low, the processing efficiency is high, and the quality is better than manual processing.

[0048] For ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the utility model, which all fall within the protection scope of the utility model.

Claims

1. A double-strip cross-fastening stamping die, characterized in that: include: An upper mold (1) and a lower mold (2), a first material strip (11) fed along a first feeding direction and a second material strip (12) fed along a direction perpendicular to the first direction, wherein the first material strip (11) is provided with a part one (13) arranged in an array, and the part one (13) is provided with a buckling portion (131), and the second material strip (12) is provided with a part two (14), and the part two (14) is provided with a connecting portion (141); A bending assembly is arranged at the intersection of the two material strips, and bends the buckling portion (131) on the first part (13) downward to buckle with the second part (14); A slider forming insert (3) is arranged in the lower mold (2), and the slider forming insert (3) cooperates with the bending assembly to bend; The limiting assembly comprises a limiting insert (4) slidably arranged in the lower mold (2) and used for locating the position of the second part (14) so ​​that it is engaged with the first part (13).

2. The double-strip cross-fastening stamping die according to claim 1, characterized in that: The bending assembly comprises a bending forming insert (5) and a material pressing insert (6) arranged in the upper die (1); the bending forming insert (5) is arranged on both sides of the material pressing insert (6).

3. The double-strip cross-fastening stamping die according to claim 1, characterized in that: The slider molding insert (3) is provided with a molding portion (31) and a sliding portion (32); the sliding portion (32) is slidably arranged in the lower mold (2) and a spring (33) is arranged on the side; and a knife insert (7) for driving the slider molding insert (3) to move is arranged in the upper mold (1).

4. The double-strip cross-fastening stamping die according to claim 3, characterized in that: The forming portion (31) comprises an upper bending surface (311) and a lower shaping surface (312); the upper bending surface (311) is a plane, and the lower shaping surface (312) is an inclined surface, and is used to shape the second part (14).

5. The double-strip cross-fastening stamping die according to claim 1, characterized in that: The position limiting assembly further comprises a fixing member (8), the fixing member (8) being arranged in the lower mould (2), a fixing groove (81) being arranged in the fixing member (8), the position limiting insert (4) moving in the fixing groove (81), a second inserting knife insert (9) being arranged in the upper mould (1), the second inserting knife insert (9) driving the position limiting insert (4) to move horizontally.

6. The double-strip cross-fastening stamping die according to claim 5, characterized in that: A floating member (82) is provided below the fixing member (8); the upper end of the floating member (82) is connected to the fixing member (8) and floats up and down in the lower mold (2).

7. The double-strip cross-fastening stamping die according to claim 1, characterized in that: The connecting portion (141) is a protruding block symmetrically arranged on both sides of the second part (14), and the buckling portion (131) is provided with a mounting opening (132) that matches the protruding block.

8. The double-strip cross-fastening stamping die according to claim 1, characterized in that: The position limiting insert (4) is provided with a protruding portion (41). When the mold is closed, the protruding portion (41) extends into the lower side of the second part (14) to locate the position of the second part (14).

9. The double-strip cross-fastening stamping die according to claim 8, characterized in that: The upper surface of the limiting insert (4) is provided with a positioning protrusion (42).

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