Die for slotting side wall of annular workpiece
By combining positioning pins and limiting components in the mold design, the problem of deformation during the grooving process of the side wall of the annular workpiece was solved, and high-quality rectangular groove processing was achieved.
Patent Information
- Application Number
- CN202423059508.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In existing technologies, when a ring-shaped workpiece is placed on its side for sidewall grooving, it is prone to deformation, resulting in poor grooving quality.
The mold design includes an upper template and a lower template. The lower template includes a workpiece support, a slot punch assembly, and a workpiece limiting assembly. The combination of positioning pins, rectangular ends, and arc-shaped grooves ensures that the ring-shaped workpiece is placed vertically. The slotting is achieved through the synergistic action of the insert and the limiting components, thus preventing deformation.
It effectively prevents the deformation of the ring-shaped workpiece during the grooving process, improves the grooving quality and accuracy, and ensures the accuracy of the machining position of the rectangular groove.
Smart Images
Figure CN223571790U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a stamping die field especially is related to a die that annular workpiece side wall is grooved. BACKGROUND
[0002] The O-ring and its support of the electromagnetic oven are usually used to heat the surrounding of the core or coil to provide additional sealing and buffering effect, to ensure the transmission efficiency of heat and current during heating, and to prevent external impurities or moisture from entering the heating system.
[0003] At present, the common way for setting a slot hole on the side wall of the annular structure is to place the annular workpiece on the support, and cooperate with the slot hole on the support to groove, but for the annular workpiece, the annular workpiece is easy to deform during the process of side groove, and the quality of the groove is poor. SUMMARY
[0004] The utility model discloses a die that annular workpiece side wall is grooved to overcome the defects that the annular workpiece is placed on the side to set a slot hole on the side wall, the workpiece is easy to deform, and the quality of the groove is poor.
[0005] The purpose of the utility model can be realized through the following technical schemes:
[0006] A die that annular workpiece side wall is grooved, the side wall of the annular workpiece is provided with a rectangular slot, the die includes an upper die plate and a lower die plate, the upper die plate is provided with a first insert and a second insert, the lower die plate includes a workpiece support seat, a slot punch assembly and a workpiece limiting assembly;
[0007] The workpiece support seat includes a positioning column matched with the inner hole of the annular workpiece, the annular workpiece is sleeved on the positioning column, the workpiece support seat is provided with a punch guide groove matched with the slot punch assembly, the slot punch assembly is movably fixed in the punch guide groove, one end of the slot punch assembly is a rectangular end, the rectangular end is located on the inner side of the annular workpiece and opposite to the rectangular slot position of the side wall, and the other end movably contacts the first insert;
[0008] The workpiece limiting assembly includes a fixed guide seat and a limiting piece, the limiting piece is movably installed on the fixed guide seat, one end of the limiting piece is provided with an arc-shaped groove matched with the outer contour of the annular workpiece, the arc-shaped groove is provided with a through hole matched with the rectangular end, the rectangular end is located on the outer side of the annular workpiece and opposite to the rectangular slot position of the side wall, and the other end movably contacts the second insert.
[0009] Preferably, the annular workpiece is provided with a flat end face on both sides, and the positioning column is provided with a positioning end face matched with the flat end face on both sides.
[0010] Preferably, the positioning column is a splicing structure, comprising a positioning section and a slotted section;
[0011] The slotted section is provided with a slot hole matched with the rectangular end, and the positioning section is provided with a splicing slot matched with the slotted section in the axial direction.
[0012] Preferably, the splicing slot is provided with a trapezoidal guide positioning block, and the slotted section is provided with a trapezoidal guide positioning slot matched with the guide positioning block, and the trapezoidal guide positioning block is clamped in the trapezoidal guide positioning slot.
[0013] Preferably, the slot punch assembly comprises a guide sliding plate and a punch, and the punch is fixed at one end of the guide sliding plate.
[0014] The punch is located in the positioning column, the rectangular end is located on the side of the punch away from the positioning column, the side of the punch close to the positioning column is an inclined end face, and the punch guide slot in the positioning column is provided with an inclined slot face matched with the inclined end face.
[0015] Preferably, the side of the first insert away from the upper die plate is an oblique chamfer, the end of the guide sliding plate away from the punch is provided with a chamfered inclined surface, and the oblique chamfer and the chamfered inclined surface are parallel to each other.
[0016] Preferably, the fixed guide seat comprises a T-shaped guide block and an L-shaped driving block, the fixed guide seat is provided with a T-shaped guide slot matched with the T-shaped guide block, the L-shaped driving block is fixed on the T-shaped guide block, and the contact surface of the L-shaped driving block and the second insert is an inclined surface, and the limiting piece is fixed on the L-shaped driving block.
[0017] Preferably, the mold further comprises an upper die seat and an upper stripper plate, the upper stripper plate is provided with a positioning hole matched with the upper end of the annular workpiece, and the upper die seat and the upper stripper plate are provided with a compression spring.
[0018] Preferably, the number of compression springs is multiple, and each compression spring is uniformly distributed between the upper die seat and the upper stripper plate.
[0019] Preferably, the mold further comprises a first reset assembly and a second reset assembly, the first reset assembly is connected with the slot punch assembly and is adapted to reset the rectangular end, and the second reset assembly is connected with the workpiece limiting assembly and is adapted to reset the limiting piece.
[0020] Compared with the prior art, the utility model has the following advantages:
[0021] (1) this scheme will annular workpiece is placed on the positioning column, make the rectangular notch processing position is located between the rectangular end and the arc groove, the upper die plate moves down, through the first insert contact and push the notch punch assembly along the punch guide groove moves, at the same time the second insert contact and push the limiting piece on the fixed guide seat to the annular workpiece. The arc-shaped groove on the limiting piece abuts against the outside of the annular workpiece, the rectangular end of the notch punch assembly abuts against the inside of the annular workpiece, and is opposite to the rectangular notch position; then the second insert stops pushing the limiting piece, the first insert continues to push the rectangular end, cooperates with the through hole on the arc-shaped groove, and the annular workpiece side wall is slotted.
[0022] Through the positioning column, the annular workpiece is vertically placed, the rectangular end located in the annular workpiece cooperates with the arc-shaped groove located on the outside of the annular workpiece and the corresponding through hole, and the annular workpiece side wall is slotted. The annular workpiece is vertically placed, and the arc-shaped groove is arranged on the edge of the side wall at the slotted position, so that when the rectangular end is slotted, other positions of the annular workpiece will not be deformed, and the slotted quality of the annular workpiece is guaranteed.
[0023] (2) the positioning column in this scheme adopts a splicing structure, including a fixed positioning section and a slotted section which can be detachably fixed, and a slot hole matched with the rectangular notch on the side wall of the annular workpiece is arranged on the slotted section, the punch is arranged in the interior of the positioning column, cooperates with the inclined end face and the inclined groove face to limit, reduces the stroke of the rectangular end, improves the consistency of the insert driving the punch and the limiting piece, and guarantees the punching quality of the annular workpiece. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 A structure schematic view of a die slot hole part is provided in the utility model;
[0025] Figure 2 A structure schematic view of a positioning column is provided in the utility model;
[0026] Figure 3 An explosion structure schematic view of a positioning column and a notch punch assembly is provided in the utility model;
[0027] Figure 4 An explosion structure schematic view of a workpiece limiting assembly is provided in the utility model;
[0028] Figure 5 A structure schematic view of a T-shaped guide block is provided in the utility model;
[0029] Figure 6 A structure schematic view of an L-shaped driving block is provided in the utility model;
[0030] Figure 7 A structure schematic view of a limiting piece is provided in the utility model;
[0031] In the figure: 1, workpiece support seat, 2, notch punch assembly, 3, workpiece limiting assembly, 4, flat end face, 11, positioning column, 12, positioning end face, 13, positioning section, 14, grooving section, 15, trapezoidal guide positioning block, 16, trapezoidal guide positioning groove, 17, punch guide groove; 21, rectangular end head, 22, guide sliding plate, 23, punch, 24, inclined end face, 25, inclined groove face; 31, fixed guide seat, 32, limiting piece, 33, arc-shaped groove, 34, through hole, 35, T-shaped guide block, 36, L-shaped driving block, 37, T-shaped guide groove. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0033] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0036] It should be noted that the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.
[0037] In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. As "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0038] Embodiment 1
[0039] As Figures 1 to 7 shown, the present embodiment provides a mold for slotting the side wall of a ring-shaped workpiece, a rectangular notch is formed on the side wall of the ring-shaped workpiece, the mold comprises an upper mold plate and a lower mold plate, the upper mold plate is provided with a first insert and a second insert, the lower mold plate comprises a workpiece support seat 1, a notch punch assembly 2 and a workpiece limiting assembly 3;
[0040] The workpiece support seat 1 comprises a positioning column 11 matched with the inner hole of the ring-shaped workpiece, the ring-shaped workpiece is sleeved on the positioning column 11, the workpiece support seat 1 is provided with a punch guide groove 17 matched with the notch punch assembly 2, the notch punch assembly 2 is movably fixed in the punch guide groove 17, one end of the notch punch assembly 2 is a rectangular end head 21, the rectangular end head 21 is located on the inner side of the ring-shaped workpiece and opposite to the rectangular notch position of the side wall, and the other end movably contacts the first insert;
[0041] The workpiece limiting assembly 3 comprises a fixed guide seat 31 and a limiting piece 32, the limiting piece 32 is movably installed on the fixed guide seat 31, one end of the limiting piece 32 is provided with an arc-shaped groove 33 matched with the outer contour of the ring-shaped workpiece, the arc-shaped groove 33 is provided with a through hole 34 matched with the rectangular end head 21, the rectangular end head 21 is located on the outer side of the ring-shaped workpiece and opposite to the rectangular notch position of the side wall, and the other end movably contacts the second insert.
[0042] Working principle: Place the annular workpiece on the positioning column 11, so that the machining position of the rectangular notch is located between the rectangular end head 21 and the arc-shaped groove 33. Move the upper die plate downward, and the first insert contacts and pushes the notch punch assembly 2 to move along the punch guide groove 17, while the second insert contacts and pushes the limiting piece 32 to move toward the annular workpiece on the fixed guide seat 31. The arc-shaped groove 33 on the limiting piece 32 abuts against the outer side of the annular workpiece, and the rectangular end head 21 of the notch punch assembly 2 abuts against the inner side of the annular workpiece and is opposite the position of the rectangular notch. Then the second insert stops pushing the limiting piece 32, and the first insert continues to push the rectangular end head 21, cooperating with the through hole 34 on the arc-shaped groove 33, to groove the side wall of the annular workpiece.
[0043] The annular workpiece is vertically placed by the positioning column 11, and the rectangular end head 21 located inside the annular workpiece cooperates with the arc-shaped groove 33 and the corresponding through hole 34 located outside the annular workpiece to groove the side wall of the annular workpiece. The vertically placed annular workpiece has the limiting arc-shaped groove 33 arranged on the edge of the side wall at the groove position, which ensures that the annular workpiece does not deform at other positions when the rectangular end head 21 grooves, thereby ensuring the groove quality of the annular workpiece.
[0044] As shown in Figure 1 and Figure 2 , the annular workpiece is symmetrically provided with flat end faces 4 on both sides, and the positioning column 11 is provided with positioning end faces 12 cooperating with the flat end faces 4. The flat end faces 4 with non-circular arc structures on both sides of the positioning column facilitate positioning of the annular workpiece and ensure the accuracy of the side wall groove position.
[0045] As shown in Figure 2 and Figure 3 , the positioning column 11 is a spliced structure including a positioning segment 13 and a grooving segment 14.
[0046] The grooving segment 14 is provided with a slot hole cooperating with the rectangular end head 21, and the positioning segment 13 is provided with a splicing slot cooperating with the grooving segment 14 along the axial direction, and the grooving segment 14 can be detachably fixed in the splicing slot.
[0047] The splicing slot is provided with a trapezoidal guide positioning block 15, and the grooving segment 14 is provided with a trapezoidal guide positioning slot 16 cooperating with the guide positioning block 15, and the trapezoidal guide positioning block 15 is clamped in the trapezoidal guide positioning slot 16. The trapezoidal guide positioning block 15 cooperates with the trapezoidal guide positioning slot 16 to ensure the accuracy of the installation of the grooving segment 14, so that the outer contour of the positioning column 11 fits the annular workpiece and avoids deformation of the workpiece due to deviation.
[0048] Further, the notch punch assembly 2 includes a guide sliding plate 22 and a punch 23, and the punch 23 is fixed to one end of the guide sliding plate 22.
[0049] The punch 23 is located in the positioning column 11, the rectangular end head 21 is located on the side of the punch 23 away from the positioning column 11, the side of the punch 23 close to the positioning column 11 is an inclined end face 24, and the punch guide groove 17 in the positioning column 11 is provided with an inclined groove face 25 matched with the inclined end face 24.
[0050] The positioning column adopts a splicing structure, including a fixed positioning section and a detachably fixed slotted section, and a slot hole matched with the rectangular notch on the side wall of the annular workpiece is arranged on the slotted section.
[0051] The first insert bit is provided with an oblique chamfered surface on the side away from the upper die plate, and the guide sliding plate 22 is provided with a chamfered surface on the end away from the punch 23.
[0052] Specifically, as shown in Figures 4 to 7 The fixed guide seat 31 further includes a T-shaped guide block 35 and an L-shaped driving block 36, the fixed guide seat 31 is provided with a T-shaped guide groove 37 matched with the T-shaped guide block 35, the L-shaped driving block 36 is fixed on the T-shaped guide block 35, and the contact surface of the L-shaped driving block 36 with the second insert bit is an inclined surface, and the limiting piece 32 is fixed on the L-shaped driving block 36.
[0053] The inclined contact surface between the insert bit and the driving block can drive the driving block to move horizontally when the insert bit on the vertically moving die plate moves vertically, and the structure is simple and accurate.
[0054] The die further includes an upper die seat and an upper stripper plate, the upper stripper plate is provided with a positioning hole matched with the upper end of the annular workpiece, and the upper die seat and the upper stripper plate are provided with compression springs therebetween. The number of the compression springs is multiple, and each compression spring is uniformly distributed between the upper die seat and the upper stripper plate. The positioning hole on the upper stripper plate can be in flexible contact with the annular workpiece on the positioning column 11 in cooperation with the compression springs, so that deformation of the annular workpiece during the die closing process is avoided.
[0055] Further, the die further includes a first reset assembly and a second reset assembly, the first reset assembly is connected with the slot punch assembly 2 and is suitable for resetting the rectangular end head 21, and the second reset assembly is connected with the workpiece limiting assembly 3 and is suitable for resetting the limiting piece 32.
[0056] Through the two reset assemblies, the rectangular end head 21 and the limiting piece 32 can be reset after the slot hole is opened, so that the workpiece slotting is facilitated and the slotting efficiency of the annular workpiece is improved.
[0057] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the concept of the present application shall be within the protection scope defined by the claims.
Claims
1. A mold for slotting the sidewall of an annular workpiece, wherein a rectangular slot is formed on the sidewall of the annular workpiece, characterized in that, The mold includes an upper template and a lower template. The upper template is provided with a first insert and a second insert. The lower template includes a workpiece support (1), a slot punch assembly (2), and a workpiece limiting assembly (3). The workpiece support base (1) includes a positioning post (11) that mates with the inner hole of the annular workpiece. The annular workpiece is sleeved on the positioning post (11). The workpiece support base (1) is provided with a punch guide groove (17) that mates with the slot punch assembly (2). The slot punch assembly (2) is movably fixed in the punch guide groove (17). One end of the slot punch assembly (2) is a rectangular end (21). The rectangular end (21) is located inside the annular workpiece and faces the rectangular slot on the side wall. The other end is in contact with the first insert knife. The workpiece limiting assembly (3) includes a fixed guide seat (31) and a limiting member (32). The limiting member (32) is movably mounted on the fixed guide seat (31). One end of the limiting member (32) is provided with an arc-shaped groove (33) that matches the outer contour of the annular workpiece. The arc-shaped groove (33) is provided with a through hole (34) that matches the rectangular end (21). The rectangular end (21) is located on the outside of the annular workpiece and is directly opposite the rectangular slot of the side wall. The other end is in contact with the second insert.
2. The mold for slotting the side wall of an annular workpiece according to claim 1, characterized in that, The annular workpiece has symmetrical straight end faces (4) on both sides, and the positioning post (11) has positioning end faces (12) on both sides that cooperate with the straight end faces (4).
3. The mold for slotting the side wall of an annular workpiece according to claim 1, characterized in that, The positioning column (11) is a spliced structure, including a positioning section (13) and a slotted section (14); The slotted section (14) is provided with a slot that matches the rectangular end (21), and the positioning section (13) is provided with a splicing groove along the axial direction that matches the slotted section (14). The slotted section (14) can be detachably fixed in the splicing groove.
4. The mold for slotting the side wall of an annular workpiece according to claim 3, characterized in that, The splicing groove is provided with a trapezoidal guide positioning block (15), and the slotted section (14) is provided with a trapezoidal guide positioning groove (16) that cooperates with the guide positioning block (15). The trapezoidal guide positioning block (15) is engaged in the trapezoidal guide positioning groove (16).
5. The mold for slotting the side wall of an annular workpiece according to claim 3, characterized in that, The slot punch assembly (2) includes a guide sliding plate (22) and a punch (23), wherein the punch (23) is fixed to one end of the guide sliding plate (22); The punch (23) is located inside the positioning post (11), the rectangular end (21) is located on the side of the punch (23) away from the positioning post (11), the side of the punch (23) close to the positioning post (11) is an inclined end face (24), and the punch guide groove (17) inside the positioning post (11) is provided with an inclined groove surface (25) that cooperates with the inclined end face (24).
6. The mold for slotting the side wall of an annular workpiece according to claim 5, characterized in that, The side of the first insert knife away from the upper template is a beveled surface, and the end of the guide sliding plate (22) away from the punch (23) is provided with a chamfered surface. The beveled surface and the chamfered surface are parallel to each other.
7. The mold for slotting the side wall of an annular workpiece according to claim 1, characterized in that, The fixed guide seat (31) includes a T-shaped guide block (35) and an L-shaped drive block (36). The fixed guide seat (31) is provided with a T-shaped guide groove (37) that cooperates with the T-shaped guide block (35). The L-shaped drive block (36) is fixed on the T-shaped guide block (35) and the contact surface with the second insert is an inclined surface. The limiting member (32) is fixed on the L-shaped drive block (36).
8. The mold for slotting the side wall of an annular workpiece according to claim 1, characterized in that, The mold also includes an upper mold base and an upper ejector plate. The upper ejector plate is provided with a positioning hole that matches the upper end of the annular workpiece. A compression spring is provided between the upper mold base and the upper ejector plate.
9. A mold for slotting the side wall of an annular workpiece according to claim 8, characterized in that, The number of compression springs is multiple, and each compression spring is evenly distributed between the upper mold base and the upper ejector plate.
10. A mold for slotting the sidewall of an annular workpiece according to claim 1, characterized in that, The mold also includes a first reset component and a second reset component. The first reset component is connected to the slot punch component (2) and is adapted to reset the rectangular end (21). The second reset component is connected to the workpiece limiting component (3) and is adapted to reset the limiting component (32).