Saw blade and tooth punching combined die

Abstract

A saw blade punching tooth combined die, the die comprises a bottom table, a bottom plate, an upper clamp plate, a lower clamp plate, a rotating plate and a top table, a plurality of size concave dies are carried through the rotating plate between the upper and lower clamp plates, precise positioning is realized by the interference fit of the ratchet disc and the ratchet groove, the rotating plate outer wall tooth groove corresponds to the scale bar of the upper clamp plate, the rotating angle is directly controlled, the top table quickly replaces the punch plate through the clamping plate, and the punch tooth processing is completed in cooperation with the convex die and the concave die; the bottom table storage groove integrates the idle punch plate, and part loss is avoided. The present application solves the problems of low die changing efficiency, positioning deviation and single function of the traditional die, realizes the rapid switching and high-precision processing of multiple specifications of tooth shape, and improves the flexibility and reliability of saw blade production.

Description

Technical Field

[0001] This utility model relates to the field of metal processing mold technology, and in particular to a saw blade punching tooth combination mold. Background Technology

[0002] As the core component of cutting tools, the tooth structure of the saw blade directly affects cutting efficiency and service life. In the saw blade manufacturing process, the tooth-cutting process is one of the key steps, requiring the use of molds to machine tooth grooves of a specific shape onto the edge of the saw blade.

[0003] Currently, traditional saw blade punching dies have the following technical defects:

[0004] 1. Different specifications of saw blades require different tooth shapes of punches. Traditional dies are usually a single set structure. When changing to a different tooth shape die, the entire punch assembly needs to be disassembled, which is cumbersome and time-consuming.

[0005] 2. Existing molds mostly use simple bolts or clips to fix rotating parts. After long-term use, wear can easily lead to rotational positioning deviations, affecting the consistency of tooth profile machining.

[0006] 3. Traditional molds only have the ability to process a single tooth shape and cannot quickly switch between dies of different sizes or shapes on the same mold, making it difficult to meet the flexible production needs of small batches and multiple specifications of saw blades.

[0007] 4. Spare punch plates usually need to be stored separately from the mold body, which can easily lead to loss or confusion and affect production continuity. Utility Model Content

[0008] The technical problem to be solved by this utility model is to provide a saw blade punching tooth combination mold. By designing an innovative structure such as a rotatable ratchet disc structure, a ring-shaped symmetrically distributed multi-size concave dies, a positioning clamp with a scale strip, and a punching plate storage groove, it effectively solves the problems of low mold changing efficiency, poor positioning accuracy, single function, and inconvenient storage of existing molds, and significantly improves the flexibility and reliability of saw blade punching tooth processing.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0010] A saw blade punching tooth combination mold includes a base platform, a base plate, a rotating plate, and a top platform. The base plate is installed on the upper end face of the base platform, and an upper clamping plate and a lower clamping plate are provided on the upper end face of the base plate. The rotating plate is installed between the upper clamping plate and the lower clamping plate. The top platform is provided above the upper clamping plate. The top platform is connected to a punching machine, and a punching plate is inserted into the top platform.

[0011] In a preferred embodiment, telescopic columns are vertically installed at the four corners of the lower clamping plate and inserted into the upper surface of the base platform. Springs are sleeved on the outer walls of the telescopic columns, and the two ends of the springs are respectively connected to the lower clamping plate and the base platform. Connecting columns are vertically installed at the four corners of the lower clamping plate, and the other end of the connecting columns is fixedly connected to the lower end surface of the upper clamping plate.

[0012] In a preferred embodiment, the outer wall of the rotating plate is provided with toothed grooves, and the upper and lower end faces of the rotating plate are provided with retaining rails; the upper and lower clamping plates are respectively provided with retaining grooves, and the rotating plate is engaged in the retaining grooves through the retaining rails and is located between the upper and lower clamping plates.

[0013] In a preferred embodiment, a ratchet disc is provided on the upper end face of the rotating plate, and a ratchet groove is correspondingly formed at the axis of the upper clamping plate, wherein the ratchet groove and the ratchet disc are connected by an interference fit.

[0014] In a preferred embodiment, the ratchet disc has multiple dies of different sizes, which are symmetrically distributed in a ring around the axis of the ratchet disc.

[0015] In a preferred embodiment, a retaining plate is provided on the lower end face of the top platform, the punch plate is inserted into the retaining plate, and a punch matching the shape of the die is provided on the lower end face of the punch plate.

[0016] In a preferred embodiment, a storage slot is provided on the side of the base, and an unused punch plate is inserted into the storage slot.

[0017] In a preferred embodiment, a scale bar is engraved on the side of the upper clamping plate, and the scale bar corresponds to the position of the tooth groove.

[0018] In a preferred embodiment, guide posts are vertically arranged at the four corners of the base plate, and guide sleeves are vertically arranged at the four corners of the top platform. The guide sleeves correspond to the guide posts and are inserted into each other.

[0019] A saw blade punching tooth assembly mold, the tooling having the following beneficial effects:

[0020] 1. The mold, through the cooperation design of the rotating plate and ratchet disc, allows for the switching of different specifications of dies during the stamping process without disassembling the entire mold or replacing the punch assembly, significantly shortening the die change time and meeting the rapid production needs of small batches of saw blades with multiple specifications. The annularly symmetrical die structure supports uniform machining in the entire circumference, and with the visual positioning of the scale strip and tooth groove, precise control of the machining angle is achieved, improving production efficiency;

[0021] 2. The rotating plate, through the snap-fit ​​structure of the rail and slot, combined with the interference fit between the ratchet disc and ratchet groove, forms a dual positioning mechanism. This effectively avoids the rotational deviation problem caused by long-term use of traditional molds, ensuring the consistency of the punch position and machining accuracy. The insertion structure of the guide post and guide sleeve further improves the vertical guiding accuracy during the stamping process, reduces lateral offset, and ensures the quality of the tooth profile machining.

[0022] 3. The insert design of the clamping plate and punch plate on the lower end face of the top platform supports quick replacement of punches to match different die shapes. Idle punch plates can be directly stored in the storage slot of the bottom platform, avoiding the loss or confusion of spare parts and realizing integrated management of mold functions. The elastic connection structure of springs and telescopic columns can buffer the impact force during the stamping process, reduce component wear, and extend the service life of the mold. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the bottom structure of this utility model;

[0026] Figure 3 This is an exploded view of the bottom structure of this utility model;

[0027] Figure 4 This is a bottom view of the top structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the base storage structure of this utility model;

[0029] Figure 6 This is an enlarged schematic diagram of the scale bar of this utility model.

[0030] In the diagram: 1. Base plate; 2. Base plate; 3. Upper clamping plate; 4. Lower clamping plate; 5. Rotating plate; 6. Top plate; 7. Punch plate; 8. Connecting column; 9. Telescopic column; 10. Spring; 11. Ratchet groove; 12. Tooth groove; 13. Ratchet disc; 14. Slot; 15. Rail; 16. Guide sleeve; 17. Guide column; 18. Storage groove; 19. Scale strip; 20. Die; 21. Punch; 22. Clamping plate. Detailed Implementation

[0031] like Figure 1As shown, a saw blade tooth punching combination mold includes a base platform 1, a base plate 2, a rotating plate 5, and a top platform 6. The base platform 1 serves as the basic support component of the mold, and its upper end face is fixedly mounted with the base plate 2 by bolts or welding. An upper clamping plate 3 and a lower clamping plate 4 are arranged parallel to each other on the upper end face of the base plate 2. The two are connected to form a stable clamping space. A rotatable rotating plate 5 is installed between the upper clamping plate 3 and the lower clamping plate 4 to support the saw blade to be processed or directly as a carrier for tooth processing. The top platform 6 is set above the upper clamping plate 3. The top platform 6 is connected to the drive end of the punching machine by a flange or bolts, and a punching plate 7 is installed inside the top platform 6 through a plug-in structure. The punching plate 7 moves up and down with the top platform 6 to realize the tooth punching action.

[0032] Preferred solutions include Figure 2 As shown, telescopic columns 9 are vertically installed at the four corners of the lower clamping plate 4 and inserted into the upper end face of the base plate 1. The telescopic columns 9 adopt a sliding structure that combines guide columns and guide sleeves, and springs 10 are sleeved on their outer walls. The two ends of the springs 10 abut against the lower end face of the lower clamping plate 4 and the upper end face of the base plate 1, respectively, forming an elastic buffer structure that can absorb impact loads during the stamping process and reduce rigid collisions of mold components. Connecting columns 8 are also vertically installed at the four corners of the lower clamping plate 4. The connecting columns 8 are solid columnar structures, and their upper ends are fixedly connected to the lower end face of the upper clamping plate 3 by threads or welding, so that the upper clamping plate 3 and the lower clamping plate 4 maintain a fixed distance and ensure that the rotating plate 5 is stably clamped between the two.

[0033] Preferred solutions include Figure 3 As shown, the outer wall of the rotating plate 5 is provided with continuous toothed grooves 12 along the circumferential direction, which facilitates its rotation by means of tools such as gear wrenches; the upper and lower end faces of the rotating plate 5 are respectively provided with retaining rails 15, which adopt T-shaped rails or dovetail rail structures; the corresponding plates of the upper clamping plate 3 and the lower clamping plate 4 are respectively provided with retaining grooves 14 that match the shape of the retaining rails 15. The rotating plate 5 achieves the function of rotating around the axis by sliding and engaging with the retaining rails 15 and the retaining grooves 14, while restricting its displacement in the vertical direction, ensuring that it always maintains a stable position between the clamping plates during the rotation process.

[0034] Preferred solutions include Figure 3 As shown, a ratchet disk 13 is coaxially arranged on the upper end face of the rotating plate 5, and a ratchet groove 11 is correspondingly opened at the axis of the upper clamping plate 3. The inner wall of the ratchet groove 11 is provided with a ratchet tooth structure that matches the outer edge of the ratchet disk 13. The two are positioned by interference fit.

[0035] When an external torque is applied to the rotating plate 5 and the ratchet disc 13 rotates counterclockwise, the ratchet teeth on the ratchet disc 13 are compressed inward under the action of the external torque and can rotate smoothly. When a clockwise torque is applied to the ratchet disc 13, the thorns on the ratchet disc 13 abut against the ratchet groove 11 at a right angle, which can effectively limit the clockwise rotation of the ratchet disc 13. When the rotating plate 5 rotates to the target position, the ratchet teeth of the ratchet disc 13 and the ratchet teeth of the ratchet groove 11 are tightly engaged to prevent accidental rotation caused by vibration during the stamping process and ensure the accuracy of the processing position.

[0036] Preferred solutions include Figure 2 As shown, the upper end face of the ratchet disk 13 is provided with multiple dies 20 of different sizes along the circumferential direction. The dies 20 include, but are not limited to, triangular tooth dies, trapezoidal tooth dies, etc. The multiple dies 20 are symmetrically distributed in a ring around the axis of the ratchet disk 13. By rotating the ratchet disk 13, any die 20 can be rotated to be directly below the punch plate 7, thereby adapting to the processing requirements of saw blade teeth of different specifications without the need to replace the entire set of molds.

[0037] Preferred solutions include Figure 4 As shown, a retaining plate 22 is provided on the lower end face of the top platform 6, and a slot is opened on the lower end face of the retaining plate 22. A protrusion matching the slot is provided on the upper end of the punch plate 7, and the punch plate 7 is quickly installed and removed by plugging. A punch 21 matching the shape of the die 20 is provided on the lower end face of the punch plate 7. When the top platform 6 moves downward with the press, the punch 21 and the die 20 cooperate to complete the punching of the saw blade.

[0038] Preferred solutions include Figure 5 As shown, a storage slot 18 is provided on the side of the base 1. The size of the storage slot 18 is adapted to the punch plate 7. The unused punch plate 7 can be stored in the storage slot 18 by plugging it in. This design avoids the independent storage of spare punch plates, prevents parts from being lost or confused, and facilitates operators to quickly pick up and put in punch plates of different specifications.

[0039] Preferred solutions include Figure 6 As shown, the upper clamping plate 3 has scale bars 19 engraved on its side. The scale bars 19 are distributed along the circumference of the upper clamping plate 3, and their scale lines correspond one-to-one with the toothed grooves 12 on the outer wall of the rotating plate 5. By observing the alignment of the scale bars 19 with the toothed grooves 12, the operator can intuitively judge the rotation angle of the rotating plate 5, ensuring the precise alignment of the die 20 and the punch 21.

[0040] Preferred solutions include Figure 4As shown, guide posts 17 are vertically arranged at the four corners of the base plate 2, and guide sleeves 16 are vertically arranged at the four corners of the top platform 6. The inner diameter of the guide sleeve 16 is clearance-fitted with the outer diameter of the guide post 17. When the top platform 6 moves up and down with the press, the guide sleeve 16 slides along the guide post 17 to provide vertical guidance for the top platform 6, prevent its lateral displacement, ensure the coaxiality of the punch 21 and the die 20, and improve the punching accuracy.

[0041] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The various technical features described in this utility model can be combined with each other without conflict. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features in the technical solution described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A saw blade punching tooth assembly mold, comprising a base platform (1), a base plate (2), a rotating plate (5), and a top platform (6), characterized in that: A base plate (2) is installed on the upper end face of the base platform (1). An upper clamping plate (3) and a lower clamping plate (4) are provided on the upper end face of the base plate (2). A rotating plate (5) is installed between the upper clamping plate (3) and the lower clamping plate (4). A top platform (6) is provided above the upper clamping plate (3). The top platform (6) is connected to the stamping machine, and a punching plate (7) is inserted into the top platform (6).

2. The saw blade punching tooth combination mold according to claim 1, characterized in that: The four corners of the lower clamping plate (4) are vertically arranged with telescopic columns (9) that are inserted into the upper end face of the base (1). The outer wall of the telescopic column (9) is fitted with a spring (10), and the two ends of the spring (10) are respectively connected to the lower clamping plate (4) and the base (1). The four corners of the lower clamping plate (4) are vertically arranged with connecting columns (8), and the other end of the connecting column (8) is fixedly connected to the lower end face of the upper clamping plate (3).

3. The saw blade punching tooth combination mold according to claim 1, characterized in that: The outer wall of the rotating plate (5) is provided with a toothed groove (12), and the upper and lower end faces of the rotating plate (5) are provided with a retaining rail (15); the upper clamping plate (3) and the lower clamping plate (4) are respectively provided with a retaining groove (14), and the rotating plate (5) is engaged in the retaining groove (14) through the retaining rail (15) and is located between the upper clamping plate (3) and the lower clamping plate (4).

4. The saw blade punching tooth combination mold according to claim 3, characterized in that: A ratchet disc (13) is provided on the upper end face of the rotating plate (5), and a ratchet groove (11) is correspondingly opened at the axis of the upper clamping plate (3). The ratchet groove (11) is interference-fitted with the ratchet disc (13).

5. The saw blade punching tooth combination mold according to claim 4, characterized in that: The ratchet disc (13) has multiple dies (20) of different sizes, and the multiple dies (20) are symmetrically distributed in a ring around the axis of the ratchet disc (13).

6. The saw blade punching tooth combination mold according to claim 5, characterized in that: A clamping plate (22) is provided on the lower end face of the top platform (6), the punch plate (7) is inserted into the clamping plate (22), and a punch (21) matching the shape of the die (20) is provided on the lower end face of the punch plate (7).

7. The saw blade punching tooth combination mold according to claim 1, characterized in that: A storage slot (18) is provided on the side of the base (1), and an unused punch plate (7) is inserted into the storage slot (18).

8. The saw blade punching tooth combination mold according to claim 3, characterized in that: The upper clamp (3) has a scale strip (19) engraved on its side, and the scale strip (19) corresponds to the position of the tooth groove (12).

9. The saw blade punching tooth combination mold according to claim 1, characterized in that: Guide posts (17) are vertically arranged at the four corners of the base plate (2), and guide sleeves (16) are vertically arranged at the four corners of the top platform (6). The guide sleeves (16) and guide posts (17) are positioned corresponding to each other and are inserted into each other.

Images