A stamping die convenient for taking out materials

Abstract

The present invention relates to the technical field of stamping dies, and specifically to a stamping die that is convenient for material removal, comprising a movable die mechanism, a fixed die mechanism and a material transfer mechanism. The movable die mechanism comprises a movable die frame and a movable die core located in the movable die frame, and a cutting piece is provided on the periphery of the movable die core; the fixed die mechanism comprises a fixed die frame and a fixed die core located in the fixed die frame. When the movable die mechanism and the fixed die mechanism are engaged, the movable die core is buckled with the fixed die core, and a material discharge port is provided on one side of the fixed die frame; the material transfer mechanism is located on the fixed die frame and close to the side of the fixed die core. The material transfer mechanism rotates the fixed die core and drops the processed parts to the material discharge port for collection. When the movable die mechanism and the fixed die mechanism are engaged, the blank located in the stamping die is stamped and formed, and then the mold is opened. The material transfer mechanism rotates the fixed die core and drops the processed parts to the material discharge port for collection. By setting up the material transfer mechanism, the parts after stamping and forming can be taken out without manual removal of the parts, and the overall processing efficiency of the mold is higher.

Description

Technical Field

[0001] The present invention relates to the technical field of stamping dies, and in particular to a stamping die that is convenient for taking out materials. Background Art

[0002] Molds are the various dies and tools used in industrial production to produce desired products through methods such as injection molding, blow molding, extrusion, die-casting, forging, smelting, and stamping. They primarily shape the object by changing the physical state of the material being molded, and are often called the "mother of industry." Molds generally consist of two separate and removable parts: a movable mold and a fixed mold (or a punch and die). Separating them allows for the removal of stamped parts, while closing them allows for the stamping of the blank. Molds are precision tools with complex shapes that demand high structural strength, rigidity, surface hardness, surface roughness, and machining accuracy. The level of development in mold production is a key indicator of the state of mechanical manufacturing.

[0003] In many stamping dies, after the blank is stamped and formed, the mold is opened and workers need to manually remove the processed parts. At the same time, they need to manually transfer the sheet material for the next stamping and forming, which results in low overall work efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a stamping die that is convenient for material removal. By redesigning the structure of the die, the die can automatically transfer out the processed blank parts, thereby improving the overall processing efficiency of the die.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a stamping die that is convenient for material removal, including a movable die mechanism, a fixed die mechanism and a material transfer mechanism. The movable die mechanism includes a movable die frame and a movable die core located in the movable die frame, and a cutting piece is provided on the periphery of the movable die core; the fixed die mechanism includes a fixed die frame and a fixed die core located in the fixed die frame. When the movable die mechanism and the fixed die mechanism are closed, the movable die core is buckled with the fixed die core, and a material discharge port is provided on one side of the fixed die frame; the material transfer mechanism is located on the fixed die frame and close to one side of the fixed die core. The material transfer mechanism rotates the fixed die core and drops the processed parts to the material discharge port for collection.

[0006] Furthermore, a mold core mounting position is provided on the fixed mold frame, the fixed mold core is located at the mold core mounting position, the discharge port is inclined and extends to the mold core mounting position, and one side of the material shifting mechanism is connected to the fixed mold core and is suitable for reciprocatingly flipping the fixed mold core.

[0007] Furthermore, the material moving mechanism includes a power part, a driving rod and a flipping assembly connected in sequence, the fixed mold core is located on the flipping assembly, and the flipping assembly includes a clamping seat and a flipping connecting rod, one end of the clamping seat is formed with a groove with an opening, and one side of the fixed mold core is provided with a connecting part, and the connecting part is located in the groove, the clamping seat is hinged to one end of the driving rod near the bottom end of the groove, and the side of the clamping seat adjacent to the groove opening is hinged to the flipping connecting rod, and the other end of the flipping connecting rod is defined on the side wall of the mold core mounting position and is rotatably connected to the mold core mounting position.

[0008] Furthermore, the driving rod includes a first connecting rod, a second connecting rod and a limiting slide rail, the first connecting rod is slidably connected to the limiting slide rail, one end of the second connecting rod is hinged to the first connecting rod and the other end is hinged to the power member, and the end of the first connecting rod away from the second connecting rod is hinged to the clamping seat.

[0009] Furthermore, the fixed mold frame is provided with two side-by-side mold core mounting positions, and the fixed mold frame is provided with two oppositely arranged discharge openings, and each of the discharge openings extends to the adjacent mold core mounting position.

[0010] Furthermore, the fixed mold mechanism also includes a clamping fixing part, and the clamping fixing parts are provided at both ends of the fixed mold core. The fixed mold frame is provided with a slide groove for the movement of the clamping fixing part, and the movable mold frame is provided with a guide part. When the movable mold mechanism and the fixed mold mechanism are closed, the guide part abuts against the clamping fixing part and causes the clamping fixing part to slide and clamp the fixed mold core.

[0011] Furthermore, the guide member is a guide rod, the guide rod is arranged at an angle, and the clamping fixture is provided with a guide groove, and the guide groove is adapted to the guide rod.

[0012] Furthermore, the fixed mold mechanism also includes an elastic return part, which includes a spring and a connecting pin. A baffle is provided on one side of the slide groove. One end of the connecting pin passes through the baffle and extends into the slide groove and is connected to the clamping fixing part. The spring is sleeved on the connecting pin and one end abuts against the head of the connecting pin and the other end abuts against the baffle.

[0013] Furthermore, the fixed die frame is provided with a mounting hole, and the movable die frame is provided with a guide column, and the guide column is slidably connected to the mounting hole.

[0014] The beneficial effects of the present invention are:

[0015] 1. When the movable and fixed mold mechanisms close the mold, the blank in the stamping die is stamped and formed. The mold is then opened, and the material transfer mechanism rotates the fixed mold core and drops the processed parts to the discharge port for collection. The material transfer mechanism allows for the removal of stamped parts, eliminating the need for manual removal and improving overall mold processing efficiency.

[0016] 2. The fixed die frame features a core mounting area, where the core is positioned. The blanking opening is angled and extends into the core mounting area, facilitating the smooth removal of parts dropped into the blanking opening. One side of the material transfer mechanism is connected to the core and adapted to reciprocate its rotation. After stamping, parts are typically positioned directly above the core. Rotating the core allows the parts to fall from it, facilitating the blanking process.

[0017] 3. The fixed mold mechanism also includes clamping fixings. Both ends of the fixed mold core are provided with clamping fixings. The fixed mold frame is provided with a slide groove for the movement of the clamping fixings. The movable mold frame is provided with a guide member. When the movable mold mechanism and the fixed mold mechanism are closed, the guide member abuts against the clamping fixings and causes the clamping fixings to slide and clamp the fixed mold core, so that the fixed mold core is clamped and fixed, which is convenient for stamping processing.

[0018] 4. The fixed mold mechanism also includes an elastic reset part. When the movable mold mechanism and the fixed mold mechanism open the mold, under the elastic force of the elastic reset key, the clamping fixing part is pulled back to reset and no longer abuts against the fixed mold core, which makes it convenient for the fixed mold core to rotate to realize the blanking operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of the stamping die when it is closed to facilitate material removal;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of the stamping die when it is opened to facilitate material removal;

[0022] Figure 3 A schematic diagram of the three-dimensional structure of the movable die mechanism of the stamping die for easy material removal;

[0023] Figure 4 for Figure 3 Enlarged view of part A;

[0024] Figure 5This is a schematic diagram of the position of the clamping parts before the movable mold mechanism and the fixed mold mechanism are closed;

[0025] Figure 6 This is a schematic diagram of the position of the clamping parts after the movable mold mechanism and the fixed mold mechanism are closed;

[0026] Figure 7 A schematic diagram of another embodiment of the guide rod on the movable mold mechanism;

[0027] Figure 8 Schematic diagram of another embodiment of the guide member on the movable mold mechanism;

[0028] Figure 9 This is a schematic diagram of the state of the flip component on the material transfer mechanism before flipping;

[0029] Figure 10 This is a schematic diagram of the state of the flip component on the material transfer mechanism after it has completed flipping;

[0030] Figure 11 is a schematic diagram of a first state of the flip assembly;

[0031] Figure 12 is a schematic diagram of the second state of the flip component;

[0032] Figure 13 is a schematic diagram of the third state of the flip component;

[0033] Figure 14 is a schematic diagram of the fourth state of the flip component;

[0034] Figure 15 This is a schematic diagram of the fifth state of the flip component.

[0035] Description of reference numerals:

[0036] 1. Moving mold mechanism; 11. Moving mold frame; 111. Guide rod; 112. Guide column; 12. Moving mold core; 13. Pressing block; 131. Avoidance groove; 2. Fixed mold mechanism; 21. Fixed mold frame; 211. Feeding port; 212. Mold core mounting position; 213. Slide groove; 214. Mounting hole; 22. Fixed mold core; 221. Connecting part; 23. Clamping fixture; 231. Guide groove; 24. Elastic reset part; 241. Spring; 242. Connecting pin; 243. Baffle; 3. Material shifting mechanism; 31. Power part; 311. Motor; 312. Rotating rod; 32. Driving rod; 321. First connecting rod; 322. Second connecting rod; 323. Limiting slide rail; 33. Flipping assembly; 331. Clamping seat; 3311. Groove; 332. Flipping connecting rod. DETAILED DESCRIPTION

[0037] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0040] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0041] Reference Figure 1-10 As an embodiment of the present invention, a stamping die that is convenient for material removal is provided, which includes a movable die mechanism 1, a fixed die mechanism 2 and a material transfer mechanism 3. The movable die mechanism 1 includes a movable die frame 11 and a movable die core 12 located in the movable die frame 11, and a cutting piece is provided on the periphery of the movable die core 12; the fixed die mechanism 2 includes a fixed die frame 21 and a fixed die core 22 located in the fixed die frame 21. When the movable die mechanism 1 and the fixed die mechanism 2 are closed, the movable die core 12 is buckled into the fixed die core 22, and a material discharge port 211 is provided on one side of the fixed die frame 21; the material transfer mechanism 3 is located on the fixed die frame 21 and close to one side of the fixed die core 22. The material transfer mechanism 3 rotates the fixed die core 22 and drops the processed parts to the material discharge port 211 for collection.

[0042] When the movable mold mechanism 1 and the fixed mold mechanism 2 are closed, the blank in the stamping die is stamped and formed. Then, the mold is opened and the material transfer mechanism 3 rotates the fixed mold core 22 and drops the processed parts to the discharge port 211 for collection. The material transfer mechanism 3 can be used to remove the stamped parts without manual removal of the parts, which improves the overall processing efficiency of the mold.

[0043] Specifically, a mold core mounting position 212 is provided on the fixed mold frame 21, and the fixed mold core 22 is located at the mold core mounting position 212. The discharge port 211 is inclined and extends to the mold core mounting position 212, so that parts dropped into the discharge port 211 can slide out smoothly. One side of the material transfer mechanism 3 is connected to the fixed mold core 22 and is suitable for reciprocating the rotation of the fixed mold core 22. After the stamping process, the parts are generally placed directly above the fixed mold core 22. By rotating the fixed mold core 22, the parts are dropped from the fixed mold core 22, which facilitates the blanking operation of the parts. A mounting hole 214 is provided on the fixed mold frame 21, and a guide column 112 is provided on the movable mold frame 11. The guide column 112 is slidably connected to the mounting hole 214. Through the arrangement of the mounting hole 214 and the guide column 112, the movable mold mechanism 1 and the fixed mold mechanism 2 are precisely fastened.

[0044] Further, refer to Figure 9 and 10 The material shifting mechanism 3 includes a power part 31, a driving rod 32 and a flip assembly 33 connected in sequence. The fixed mold core 22 is located on the flip assembly 33. The flip assembly 33 includes a clamping seat 331 and a flip connecting rod 332. A groove 3311 with an opening is formed at one end of the clamping seat 331. A connecting portion 221 is provided on one side of the fixed mold core 22. The connecting portion 221 is located in the groove 3311. The clamping seat 331 is hinged to one end of the driving rod 32 near the bottom end of the groove 3311. One side of the clamping seat 331 adjacent to the opening of the groove 3311 is hinged to the flip connecting rod 332. The other end of the flip connecting rod 332 is limited to the side wall of the mold core mounting position 212 and is rotatably connected to the mold core mounting position 212.

[0045] Specifically, refer to Figure 9 and 10 The power member 31 includes a motor 311 and a rotating rod 312. The driving rod 32 includes a first connecting rod 321, a second connecting rod 322, and a limiting slide rail 323. The output shaft end of the motor 311 is connected to one end of the rotating rod 312. The other end of the rotating rod 312 is hinged to one end of the second connecting rod 322. The other end of the second connecting rod 322 is hinged to one end of the first connecting rod 321. The end of the first connecting rod 321 away from the second connecting rod 322 is hinged to the clamping seat 331. The first connecting rod 321 is slidably connected to the limiting slide rail 323. The rotation of the motor 311 can drive the second connecting rod 322 to push the first connecting rod 321 to slide along the limiting slide rail 323. After the first connecting rod 321 slides, the clamping seat 331 can be flipped.

[0046] In this embodiment, a first hinged seat is provided at the end of the first connecting rod 321 away from the second connecting rod 322. A U-shaped groove 3311 is defined on one side of the clamping seat 331. The connecting portion 221 on one side of the fixed mold core 22 is embedded in and fixedly connected to the groove 3311. The clamping seat 331 is hingedly connected to the first hinged seat at its bottom end near the groove 3311. A second hinged seat is provided on the side of the clamping seat 331 adjacent to the opening of the groove 3311. One end of the flip link 332 is secured to the side wall of the mold core mounting position 212, and the other end is hingedly connected to the second hinged seat. The secured end of the flip link 332 is pivotally connected to the mold core mounting position 212.

[0047] The turning process of the clamping seat 331 is shown in FIG. Figure 11 Figure 15 As the first connecting rod 321 continues to move, the angle at which the clamping seat 331 flips becomes larger and larger. The flip angle of the clamping seat 331 can be limited by limiting the travel range of the first connecting rod 321. Theoretically, as long as the flip angle of the clamping seat 331 exceeds 90°, the parts on the clamping seat 331 will generally flip and fall into the discharge port 211. To ensure smooth part blanking, the flip angle of the clamping seat 331 is set to greater than 90°. When the clamping seat 331 flips to the maximum angle, the motor 311 rotates in the opposite direction, causing the first connecting rod 321 to reverse and reset, causing the clamping seat 331 to return to its initial position, allowing the fixed mold core 22 to reset, thus completing the blanking action of one part.

[0048] Further, refer to Figure 2 The fixed mold frame 21 is provided with two mold core mounting positions 212 arranged side by side, and two oppositely arranged feed openings 211 are provided on the fixed mold frame 21. Each feed opening 211 extends to the adjacent mold core mounting position 212. Each mold core mounting position 212 is installed with a fixed mold core 22. In this embodiment, it is a double-part processing mold, which can process two parts at a time. The material transfer mechanism 3 is divided into two groups and is arranged oppositely. The material transfer mechanism 3 removes the corresponding parts. In order to achieve the purpose of saving energy, the two material transfer mechanisms 3 share a power member 31. Figure 9 and 10 The center position of the rotating rod 312 is connected to the output shaft end of the motor 311, and the two ends of the rotating rod 312 are respectively hinged to the corresponding second connecting rod 322.

[0049] Furthermore, the fixed mold mechanism 2 also includes a clamping fixing part 23, and clamping fixing parts 23 are provided at both ends of the fixed mold core 22. A slide groove 213 for the clamping fixing part 23 to move is provided on the fixed mold frame 21, and a guide part is provided on the movable mold frame 11. When the movable mold mechanism 1 and the fixed mold mechanism 2 are closed, the guide part abuts against the clamping fixing part 23 and causes the clamping fixing part 23 to slide and clamp the fixed mold core 22, so that the fixed mold core 22 is clamped and fixed, which is convenient for stamping processing.

[0050] Specifically, refer to Figure 3 The guide member is a guide rod 111, which is tilted. The clamping member 23 is provided with a guide groove 231, which is adapted to the guide rod 111. The guide rod 111 is tilted. When the movable mold frame 11 is moved for mold closing, the guide rod 111 is correspondingly inserted into the notch in the guide groove 231. As the movable mold frame 11 continues to move downward, due to the tilted guide rod 111, the guide rod 111 presses the two clamping members 23 along the slide groove 213 and moves them closer to each other to clamp the fixed mold core 22. The cutting of the mold and the clamping of the fixed mold core 22 are almost performed simultaneously. The fixed mold mechanism 2 also includes an elastic return member 24, which includes a spring 241 and a connecting pin 242. A baffle 243 is provided on one side of the slide 213. One end of the connecting pin 242 passes through the baffle 243 and extends into the slide 213, where it is connected to the clamping member 23. The spring 241 is sleeved on the connecting pin 242, with one end abutting the head of the connecting pin 242 and the other end abutting the baffle 243. When the movable mold mechanism 1 and the fixed mold mechanism 2 are opening, the elastic force of the elastic return key pulls the clamping member 23 back to its original position and no longer abuts the fixed mold core 22, facilitating the rotation of the fixed mold core 22 to achieve the blanking operation.

[0051] In this embodiment, refer to Figure 5 and 6 Guide rod 111 is located at the bottom end of movable mold frame 11 and is arranged in an outwardly extending, tilted configuration. Due to the elastic force of spring 241, a certain tension is exerted on clamping fixture 23, causing guide rod 111 to be arranged in an outwardly extending, tilted configuration. This structural arrangement minimizes resistance to mold opening on movable mold frame 11, facilitating mold opening operations.

[0052] As a variant embodiment, refer to Figure 7 The guide rod 111 is located at the bottom end of the movable mold frame 11. The guide rod 111 can also be arranged in an inclined position toward the inside. Due to the elastic force of the spring 241, a certain pulling force is applied to the clamping fixture 23. The guide rod 111 is arranged in an inclined position toward the inside. However, this structural arrangement causes the movable mold frame 11 to encounter greater resistance when the mold is opened.

[0053] As a variant embodiment, refer to Figure 8The guide member adopts a guide wedge block, which is provided with an extrusion slope, and the clamping fixing member 23 is provided with a receiving slope. The above structure can also be used to achieve that the guide member presses the two clamping fixing members 23 to move along the slide groove 213 and approach each other to abut against the clamping fixed mold core 22.

[0054] Furthermore, a clamping block 13 is provided on one side of the guide rod 111. When the clamping member 23 moves into position and clamps the fixed mold core 22, the clamping block 13 abuts against one side of the clamping block, limiting and fixing the clamping block. An avoidance groove 131 is provided on the clamping block 13 to prevent interference between the clamping block 13 and the connecting pin 242.

[0055] The embodiments of this specific implementation method are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stamping die that is convenient for taking out materials, characterized in that: include: A movable mold mechanism (1) comprises a movable mold frame (11) and a movable mold core (12) located in the movable mold frame (11), wherein a cutting piece is provided on the periphery of the movable mold core (12); The fixed mold mechanism (2) comprises a fixed mold frame (21) and a fixed mold core (22) located in the fixed mold frame (21); when the movable mold mechanism (1) and the fixed mold mechanism (2) are engaged, the movable mold core (12) is engaged with the fixed mold core (22); and a discharge port (211) is provided on one side of the fixed mold frame (21); A material transfer mechanism (3) is located on the fixed mold frame (21) and close to one side of the fixed mold core (22). The material transfer mechanism (3) rotates the fixed mold core (22) and drops the processed parts to the discharge port (211) for collection. A mold core mounting position (212) is provided on the fixed mold frame (21), the fixed mold core (22) is located at the mold core mounting position (212), the discharge port (211) is inclined and extends to the mold core mounting position (212), and one side of the material shifting mechanism (3) is connected to the fixed mold core (22) and is suitable for reciprocatingly flipping the fixed mold core (22); The material shifting mechanism (3) comprises a power member (31), a driving rod (32) and a flip assembly (33) connected in sequence. The fixed mold core (22) is located on the flip assembly (33). The flip assembly (33) comprises a clamping seat (331) and a flip connecting rod (332). A groove (3311) with an opening is formed at one end of the clamping seat (331). A connecting portion (221) is provided on one side of the fixed mold core (22). The connecting portion (221) is located in the groove (3311). The clamping seat (331) is hinged to one end of the driving rod (32) at a position close to the bottom end of the groove (3311). A side of the clamping seat (331) adjacent to the opening of the groove (3311) is hinged to the flip connecting rod (332). The other end of the flip connecting rod (332) is limited to The mold core mounting position (212) is on the side wall and is rotatably connected to the mold core mounting position (212); the driving rod (32) includes a first connecting rod (321), a second connecting rod (322) and a limiting slide rail (323), the first connecting rod (321) is slidably connected to the limiting slide rail (323), one end of the second connecting rod (322) is hinged to the first connecting rod (321) and the other end is hinged to the power member (31), and the end of the first connecting rod (321) away from the second connecting rod (322) is hinged to the clamping seat (331); two mold core mounting positions (212) arranged side by side are provided on the fixed mold frame (21), and two oppositely arranged discharge ports (211) are provided on the fixed mold frame (21), and each of the discharge ports (211) extends to the adjacent mold core mounting position (212).

2. The stamping die for facilitating material removal according to claim 1, characterized in that: The fixed mold mechanism (2) further comprises a clamping fixture (23), both ends of the fixed mold core (22) are provided with the clamping fixture (23), the fixed mold frame (21) is provided with a slide groove (213) for the clamping fixture (23) to move, and the movable mold frame (11) is provided with a guide member, and when the movable mold mechanism (1) and the fixed mold mechanism (2) are closed, the guide member abuts against the clamping fixture (23) and enables the clamping fixture (23) to slide and clamp the fixed mold core (22).

3. The stamping die for facilitating material removal according to claim 2, characterized in that: The guide member is a guide rod (111), the guide rod (111) is arranged obliquely, and the clamping fixing member (23) is provided with a guide groove (231), and the guide groove (231) is adapted to the guide rod (111).

4. The stamping die for facilitating material removal according to claim 2, characterized in that: The fixed mold mechanism (2) also includes an elastic reset member (24), and the elastic reset member (24) includes a spring (241) and a connecting pin (242). A baffle (243) is provided on one side of the slide groove (213). One end of the connecting pin (242) passes through the baffle (243) and extends into the slide groove (213) and is connected to the clamping fixing member (23). The spring (241) is sleeved on the connecting pin (242) and one end abuts against the head of the connecting pin (242) and the other end abuts against the baffle (243).

5. The stamping die for facilitating material removal according to claim 1, characterized in that: The fixed die frame (21) is provided with a mounting hole (214), and the movable die frame (11) is provided with a guide column (112), and the guide column (112) is slidably connected to the mounting hole (214).

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