Scraper knife mold convenient to demold
By designing the shaft, support rod, and lifting unit, the problems of intermittent equipment stoppages and difficult demolding in the production of shovel molds were solved, enabling streamlined operation and efficient production of shovel molds.
Patent Information
- Application Number
- CN202520621263.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Traditional shovel die production equipment suffers from discontinuous stamping and punching processes, resulting in intermittent pauses. The equipment requires frequent starts and stops, leading to slow production speeds and difficulty in removing the stamped dies, which negatively impacts production efficiency.
The design incorporates a shaft, support rod, and lifting unit. The shaft is driven to rotate circumferentially by a servo motor, enabling continuous operation. Automatic demolding is achieved through the cooperation of limit blocks and limit slots, avoiding intermittent stops and improving production efficiency.
It enables streamlined production of shovel molds, avoids equipment downtime, improves production efficiency and demolding efficiency, and meets the needs of large-scale and efficient production.
Smart Images

Figure CN223946665U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould technical field, concretely relates to a shovel mould convenient to demould. BACKGROUND
[0002] Mould is indispensable key process equipment in industrial production, and occupies the important position in manufacturing industry. Along with the continuous development of manufacturing industry, the precision, efficiency, service life etc. of mould are higher and higher requirement. Especially in the hardware tool manufacturing field, shovel as a kind of commonly used tool, its production efficiency and quality are largely dependent on the performance of mould, and demoulding is a key link in the production process of mould, and good demoulding effect is of great significance to improve production efficiency, ensure product quality and reduce production cost. In shovel mould, due to the shape and structural characteristics of shovel, the demoulding difficulty is often greater, if demoulding is not smooth, it is easy to cause shovel surface scratch, deformation, even damage mould, affect the continuity of production and product consistency.
[0003] Traditional shovel mould production and processing equipment, stamping and punching are discontinuous, cannot form flow water operation, and there is intermittent pause in the operation process, and the equipment needs to be started and stopped constantly, and the equipment consumes additional time in acceleration and deceleration and waiting positioning and other operations, resulting in slow overall production speed, unable to meet the demand of large-scale and high-efficiency production, and after stamping and punching, the mould is embedded in the lower mould and is difficult to take out, greatly affecting the production efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a shovel mould convenient to demould, solve the following technical problems: traditional shovel mould production and processing equipment, stamping and punching are discontinuous, cannot form flow water operation, and there is intermittent pause in the operation process, and the equipment needs to be started and stopped constantly, and the equipment consumes additional time in acceleration and deceleration and waiting positioning and other operations, resulting in slow overall production speed, unable to meet the demand of large-scale and high-efficiency production, and after stamping and punching, the mould is embedded in the lower mould and is difficult to take out, greatly affecting the production efficiency.
[0005] The utility model can realize the purpose by the following technical scheme:
[0006] A shovel mould convenient to demould, including the box, the inside of box is provided with the axle rod, the outer surface of axle rod is fixedly provided with the fixed ring, the side edge ring array of fixed ring is fixedly provided with a plurality of support rods, the upper end of support rod is provided with the jacking unit, the jacking unit is used for jacking up the finished product of stamping forming, the upper end of jacking unit is sleeved with lower mould, and the upper of one lower mould is provided with the upper mould matched with lower mould.
[0007] As a further scheme of the utility model: two supporting rods are fixedly provided with connecting rods between them, and a round rod is fixedly arranged between the shaft and the connecting rod.
[0008] As a further scheme of the utility model: a circular ring is fixedly arranged at the upper end of the box body, a sliding groove is formed in the inner side wall of the circular ring, and the sliding groove is in contact connection with the jacking unit.
[0009] As a further scheme of the utility model: the jacking unit comprises a disc fixedly arranged at the upper end of the supporting rod, the upper end of the disc is fixedly connected with the lower die, a clamping groove is formed in the upper end of the disc, a movable block is clamped at the upper end of the clamping groove, a rectangular plate is fixedly arranged at the bottom of the clamping groove in a symmetrical mode, a fixed column is fixedly arranged at the upper end of the rectangular plate, a first spring is sleeved on the outer surface of the fixed column, one end of the first spring is fixedly connected with the rectangular plate, the other end of the first spring is fixedly connected with the bottom of the movable block, and recesses matched with the fixed column are formed in the lower end of the movable block in a symmetrical mode.
[0010] As a further scheme of the utility model: limit rods are fixedly arranged at the two ends of the lower die in a symmetrical mode, a movable groove is formed in the limit rod, a limit plate is fixedly arranged at one end of the movable groove, a movable rod is movably sleeved in the movable groove, a pull ring is fixedly arranged at one end of the movable rod, a limit block is fixedly arranged at the other end of the movable rod, a second spring is sleeved on the upper surface of the movable rod, one end of the second spring is fixedly connected with the limit block, and the other end of the second spring is fixedly connected with the limit plate.
[0011] As a further scheme of the utility model: a first hydraulic telescopic rod is fixedly arranged at one side of the top of the box body, and the lower end of the first hydraulic telescopic rod is fixedly connected with the upper die.
[0012] As a further scheme of the utility model: a second hydraulic telescopic rod is fixedly arranged at the right side of the top of the box body, a punching plate is fixedly arranged at the lower end of the second hydraulic telescopic rod, and a punch is fixedly arranged at the lower end of the punching plate.
[0013] As a further scheme of the utility model: a containing groove is formed in the upper end of the movable block, the containing groove is matched with the punch, limit grooves are formed in the two sides of the movable block in a symmetrical mode, and the limit grooves are matched with the limit block.
[0014] The utility model discloses the beneficial effect:
[0015] (1) the utility model sets up the shaft, the supporting rod, the upper die, the lower die, the punch, drives the supporting rod circumferential rotation through the servo motor to drive the raw material on the lower die to complete feeding, stamping and punching in proper order, realizes the continuity operation, avoids the process discontinuity, and there is intermittent stop, thereby improving production efficiency.
[0016] (2)The utility model discloses a limiting block and limit position groove cooperate and limit the movable block in processing process, avoid movable block and move before punching, after completing processing, release the limiting of movable block, rely on jacking unit and top up spade from lower mould cavity, complete automatic stripping, improve stripping efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further described below in combination with the drawings.
[0018] Figure 1 It is the internal structure schematic diagram of the utility model whole;
[0019] Figure 2 It is the overhead structure schematic diagram of the utility model;
[0020] Figure 3 It is the utility model Figure 1 Enlarged structure schematic diagram of A place;
[0021] Figure 4 It is the structure schematic diagram of movable block of the utility model.
[0022] In the drawing: 1, bottom plate;2, vertical board;3, box;4, shaft;5, fixed ring;6, support rod;7, jacking unit;8, lower mould;9, upper mould;10, connecting rod;11, round rod;12, circular ring;13, sliding slot;14, disc;15, clamping groove;16, movable block;17, rectangular plate;18, fixed column;19, first spring;20, recess;21, limiting rod;22, movable slot;23, limiting plate;24, movable rod;25, pull ring;26, limiting block;27, second spring;28, first hydraulic telescopic rod;29, second hydraulic telescopic rod;30, punching plate;31, punch;32, accommodating groove;33, limit position groove. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.
[0024] Embodiment one: please refer to Figures 1-2The utility model discloses a shovel mould convenient to demould, including bottom plate 1, the upper end symmetry of bottom plate 1 is provided with the vertical board 2, two the upper end fixed setting of vertical board 2 has same box 3, the upper end of bottom plate 1 is rotatoryly arranged with the axle rod 4 to the inside of box 3, the axle rod 4 is driven its rotation through the servo motor of setting at bottom plate 1 bottom, the outer surface fixed setting of axle rod 4 has the fixed ring 5, the lateral edge ring array fixed setting of fixed ring 5 has a plurality of support rod 6, in this embodiment case, the number of support rod 6 is 3, support rod 6 is equilateral triangle design, the distance of axle rod 4's center to each support rod 6 is equal, every rotation 120 DEG, three support rod 6 travel's track distance is equal, the upper end of support rod 6 is provided with the jacking unit 7, the jacking unit 7 is used for jacking up the product of punch forming and lifts, so that product separates from mould, the upper end of jacking unit 7 is sleeved with lower mould 8, the upper of one of lower mould 8 is provided with the upper mould 9 corresponding with lower mould 8, lower mould 8 and upper mould 9 constitute the cavity for product punch forming, and upper mould 9 moves downward, cooperates lower mould 8, and the pressure is applied to metal sheet material, makes its forming or separation.
[0025] The connecting rod 10 and the circular rod 11 are used for forming a stable tripod space system, ensuring the consistency of the displacement of the support rod 6, and avoiding large deviation to cause poor quality of the formed product.
[0026] The upper end of the box 3 is fixedly provided with a circular ring 12, the circular ring 12 is designed to be inscribed in the box 3, a sliding groove 13 is formed in the inner side wall of the circular ring 12, the sliding groove 13 is in sliding connection with the jacking unit 7, and the circular ring 12 is used for limiting the horizontal transverse displacement of the jacking unit 7 and the lower mould 8, avoiding large horizontal displacement deviation to affect the product precision.
[0027] In summary, the shovel mould convenient to demould is used, the axle rod 4 is driven to rotate around the center by the servo motor, the axle rod 4 drives a plurality of support rods 6 to make circular motion in the horizontal direction, so as to drive the jacking unit 7 and the lower mould 8 to make circular rotation, the jacking unit 7 is in contact connection with the sliding groove 13, when rotating, the horizontal displacement of the jacking unit 7 and the lower mould 8 is limited, the connecting rod 10 and the circular rod 11 form a stable tripod space system, ensuring the consistency of the displacement of the component movement, punch, punching and blanking flow operation are realized by circular rotation, avoiding the shovel punching after the mould is taken out again, reducing the processing efficiency, and the blanking area and the punching area are separated, avoiding that the punching mould causes harm to the operator when blanking.
[0028] Embodiment two: on the basis of embodiment one, please refer to Figures 3-4As shown, the jacking unit 7 comprises a disc 14 fixedly arranged at the upper end of the support rod 6, the side edge of the disc 14 is in sliding connection with the sliding groove 13, the upper end of the disc 14 is fixedly connected with the lower mold 8, the upper end of the disc 14 is provided with a clamping groove 15 at the bottom of the lower mold 8, the upper end of the clamping groove 15 is clamped with a movable block 16, the movable block 16 extends to the bottom of the inner cavity of the lower mold 8, as the bottom die of the inner cavity of the product forming of the lower mold 8, facilitating the subsequent jacking of the finished product, the bottom of the clamping groove 15 is fixedly provided with a rectangular plate 17, the upper end of the rectangular plate 17 is fixedly provided with a fixed column 18, the outer surface of the fixed column 18 is sleeved with a first spring 19, one end of the first spring 19 is fixedly connected with the upper end of the rectangular plate 17, the other end of the first spring 19 is fixedly connected with the bottom of the movable block 16.
[0029] The lower end of the movable block 16 is symmetrically provided with a recess 20 matched with the fixed column 18.
[0030] The two ends of the lower mold 8 are fixedly provided with a limiting rod 21 perpendicular to the side wall of the lower mold 8, the inside of the limiting rod 21 is provided with a movable groove 22, the side of the movable groove 22 close to the limiting rod 21 is fixedly provided with a limiting plate 23, the inside of the movable groove 22 movably sleeved with a movable rod 24, one end of the movable rod 24 is fixedly provided with a pull ring 25 outside the limiting rod 21, the pull ring 25 is used for pulling the movable rod 24 to move horizontally along the movable groove 22, the other end of the movable rod 24 is fixedly provided with a limiting block 26, the upper surface of the movable rod 24 is sleeved with a second spring 27 inside the movable groove 22, one end of the second spring 27 is fixedly connected with the limiting block 26, the other end of the second spring 27 is fixedly connected with the limiting plate 23.
[0031] The rear side of the top of the box body 3 is fixedly provided with a first hydraulic telescopic rod 28, the lower end of the first hydraulic telescopic rod 28 is fixedly connected with the upper mold 9.
[0032] The right side of the top of the box body 3 is fixedly provided with a second hydraulic telescopic rod 29, the lower end of the second hydraulic telescopic rod 29 is fixedly provided with a punching plate 30, the lower end of the punching plate 30 is fixedly provided with a punch 31.
[0033] The upper end of the movable block 16 is provided with a containing groove 32 matched with the punch 31, the two sides of the movable block 16 are symmetrically provided with a limiting groove 33 matched with the limiting block 26.
[0034] In summary, in use, the metal raw material is placed on the lower die 8, the rotating shaft rod 4 is rotated to place one lower die 8 directly below the upper die 9, the upper die 9 is driven downward by the first hydraulic telescopic rod 28, the metal raw material is subjected to pressure by the upper die 9 and the lower die 8, so that the metal raw material is plastically deformed in the mold cavity to form the required stamping part shape, during the stamping process, the stamping speed, pressure, stroke and other process parameters should be strictly controlled to ensure the quality and precision of the stamping forming, the shovel after stamping is lifted, the first hydraulic telescopic rod 28 is lifted, and the rotating shaft rod 4 is rotated to place the stamped product directly below the second hydraulic telescopic rod 29, and the feeding on the other lower die 8 is completed, the punching is completed, and the other lower die 8 cooperates with the upper die 9 to complete the stamping work, forming a flow production, improving the overall production efficiency, after the punching is completed, the rotating shaft rod 4 is placed in the initial feeding area, the movable rod 24 is pulled to drive the limiting block 26 to move backward, the second spring 27 is squeezed to store elastic potential energy, when the limiting block 26 is removed from the limiting groove 33 and enters the movable groove 22, the movable block 16 is released, and the movable block 16 is lifted under the action of the first spring 19, so that the movable block 16 ejects the shovel after the stamping and punching process from the lower die 8 to complete the demolding work, the product after processing is unloaded in the initial feeding area and is stored uniformly, and the feeding on the lower die 8 is completed, the limiting of the movable block 16 is automatically completed by the limiting block 26 under the action of the second spring 27 during the descending process of the movable block 16, the above operation is repeated, and the cycle is repeated.
[0035] Example three
[0036] The example one and the example two are combined to obtain the present example.
[0037] The above completes the continuous shovel processing through the rotary feeding, stamping and punching, and the limiting block 26 and the lifting unit 7 are arranged on the shovel after the processing to complete the rapid demolding, the design can not only avoid the intermittent stop during the equipment operation to form the flow production, but also can rapidly demold after the production is completed to improve the production efficiency.
[0038] The above describes one embodiment of the utility model in detail, but the content described can only be the preferred embodiment of the utility model and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the application range of the utility model should still belong to the patent coverage range of the utility model.
Claims
1. A spade mould facilitating demoulding, comprising a box (3), characterised in that, The inside of the box (3) is provided with a shaft rod (4), the outer surface of the shaft rod (4) is fixedly provided with a fixed ring (5), the side edge of the fixed ring (5) is fixedly provided with a plurality of support rods (6), the upper end of the support rod (6) is provided with a jacking unit (7), the jacking unit (7) is used for jacking up the finished product of punch forming, the upper end of the jacking unit (7) is sleeved with a lower mold (8), and the upper end of one of the lower molds (8) is provided with an upper mold (9) matched with the lower mold (8).
2. A spade die for facilitating die release according to claim 1, wherein, Two connecting rods (10) are fixedly arranged between the two support rods (6), and a round rod (11) is fixedly arranged between the shaft rod (4) and the connecting rod (10).
3. A spade die for facilitating die release according to claim 1, wherein, The upper end of the box (3) is fixedly provided with a circular ring (12), the inner side wall of the circular ring (12) is provided with a sliding groove (13), and the sliding groove (13) is in contact connection with the jacking unit (7).
4. A spade die for facilitating die release according to claim 1, wherein, The jacking unit (7) comprises a disc (14) fixedly arranged at the upper end of the support rod (6), the upper end of the disc (14) is fixedly connected with the lower mold (8), the upper end of the disc (14) is provided with a clamping groove (15), the upper end of the clamping groove (15) is clamped with a movable block (16), the bottom of the clamping groove (15) is fixedly provided with a rectangular plate (17) in symmetry, the upper end of the rectangular plate (17) is fixedly provided with a fixed column (18), the outer surface of the fixed column (18) is sleeved with a first spring (19), one end of the first spring (19) is fixedly connected with the rectangular plate (17), the other end of the first spring (19) is fixedly connected with the bottom of the movable block (16), and the lower end of the movable block (16) is symmetrically provided with a groove (20) matched with the fixed column (18).
5. A spade die for facilitating die release according to claim 1, wherein, The two ends of the lower mold (8) are fixedly provided with a limiting rod (21) in symmetry, the inside of the limiting rod (21) is provided with a movable groove (22), one end of the movable groove (22) is fixedly provided with a limiting plate (23), the inside of the movable groove (22) is movably sleeved with a movable rod (24), one end of the movable rod (24) is fixedly provided with a pull ring (25), the other end of the movable rod (24) is fixedly provided with a limiting block (26), the upper surface of the movable rod (24) is sleeved with a second spring (27), one end of the second spring (27) is fixedly connected with the limiting block (26), and the other end of the second spring (27) is fixedly connected with the limiting plate (23).
6. A spade die for facilitating die release according to claim 1, wherein, The upper end of the box (3) is fixedly provided with a first hydraulic telescopic rod (28), and the lower end of the first hydraulic telescopic rod (28) is fixedly connected with the upper mold (9).
7. A spade die for facilitating die release according to claim 1, wherein, The right side of the top end of the box (3) is fixedly provided with a second hydraulic telescopic rod (29), the lower end of the second hydraulic telescopic rod (29) is fixedly provided with a punching plate (30), and the lower end of the punching plate (30) is fixedly provided with a punch (31).
8. A spade die for facilitating die release according to claim 4, wherein, The upper end of the movable block (16) is provided with a containing groove (32) matched with a punch (31), and the two sides of the movable block (16) are symmetrically provided with limiting grooves (33) matched with limiting blocks (26).