CN208131785U - A kind of bevel tooth extraction mold - Google Patents

Abstract

The utility model relates to the technical field of punching dies, in particular to an inclined plane tooth extraction die, which comprises an upper die component and a lower die component, wherein the lower die component comprises a lower die holder and a lower die plate, the lower die plate is provided with a top end surface, an inclined side surface, a first groove and a second groove, the open end of the second groove is arranged on the inclined side surface, and the first groove is arranged close to the top end surface and is communicated with the second groove; the die also comprises a rotating piece, a forming tooth-drawing assembly, a pushing piece and an ejection assembly, wherein the rotating piece is accommodated in the first groove, and the forming tooth-drawing assembly and the pushing piece are both connected to the upper die assembly; has the advantages that: the rotating piece is arranged on the lower template and is integrated with the lower template into a whole in a natural state, the rotating piece is a part of the forming die, and after the inclined plane tooth extraction process is completed, the rotating piece is driven by the workpiece to rotate in a vertical state in the process of ejecting the workpiece, so that the workpiece is smoothly demoulded, the mold manufacturing cost for inclined plane forming and tooth extraction on the inclined plane is saved, and the production efficiency is improved.

Description

A kind of bevel tooth extraction mold

technical field

The utility model relates to the technical field of stamping dies, and in particular discloses a bevel tooth extraction die.

Background technique

In the field of cold stamping dies, when the direction of the tooth hole is not perpendicular to the stamping direction, multiple processes are usually required to complete the oblique drawing and germination of the workpiece. Each process needs to prepare a set of corresponding molds. The traditional production method is: first complete the oblique surface Stretch forming, then punch small holes on the slope, and finally complete the tooth extraction process. The production process not only has high mold costs, but also has many processes and low production efficiency, which is the bottleneck in the production and processing process.

Contents of the invention

In order to overcome the shortcomings existing in the prior art, the purpose of this utility model is to provide a bevel tooth extraction mold, which can realize one-time bevel forming and tooth extraction process, reduce mold manufacturing costs, and improve production efficiency.

To achieve the above object, the technical solution of the utility model is:

A kind of inclined-plane extraction mold, comprising upper mold assembly and lower mold assembly, described lower mold assembly includes lower mold base and lower mold plate connected with lower mold base, described lower mold plate is provided with top end surface, inclined side, a first groove and a second groove, the opening end of the second groove is arranged on the inclined side, the first groove is arranged near the top surface, and the first groove communicates with the second groove;

The inclined-plane extraction mold also includes a rotary member rotatably connected to the lower template, a forming extraction assembly for inclined-plane stretching and extraction of the workpiece, a pusher for pushing the forming assembly to slide, and a pusher for ejecting The ejection assembly of the workpiece, the rotating member is accommodated in the first groove, the forming tooth extraction assembly is connected to the upper mold assembly, the pusher is connected to the upper mold assembly, and the ejection assembly is set in the following template.

Further, the first groove includes a first groove wall, a second groove wall and a third groove wall connected in sequence, the first groove wall intersects the top surface, the third groove wall intersects the inclined side surface, During the demoulding process, the rotating member rotates from the third groove wall to the first groove wall.

Further, the ejector assembly includes a push rod and a drive source for driving the push rod to expand and contract, the push rod is slidably connected to the lower formwork, and the drive source is arranged on the lower formwork.

Further, the driving source is a compression spring.

Further, the upper mold assembly includes an upper mold base, an upper stripping plate and a top pressing plate connected in sequence, the forming tooth extraction assembly is slidably connected to the upper stripping plate, and the top pressing plate is fixedly connected to the upper stripping plate, so The forming tooth extraction assembly is located on one side of the pressing plate.

Further, the forming tooth extraction assembly includes a first pressing plate, a second pressing plate, a tooth extraction punch and a second elastic member;

The second pressing plate is connected to the top pressing plate, the first pressing plate is slidably arranged relative to the second pressing plate, one end of the extraction punch is connected to the first pressing plate, and the second pressing plate is The plate is provided with a through hole for the free end of the tooth extraction punch to pass through, the second elastic member is arranged between the first pressing plate and the second pressing plate, and the two ends of the second elastic member are respectively Connect with the first pressing plate and the second pressing plate.

Further, one end of the push piece is connected to the upper mold base, and the other end of the push piece abuts against the first pressing plate.

Further, it also includes a guide groove connected to the upper release plate, and the first pressing plate is slidably connected to the guide groove.

Further, the upper mold assembly also includes a first elastic piece, the first elastic piece is arranged between the upper mold base and the upper stripping plate, and the two ends of the first elastic piece are connected to the upper mold base and the upper mold base respectively. off board.

Further, the upper mold assembly also includes a guide assembly, the guide assembly includes a guide post connected to the upper die base and a guide sleeve connected to the upper stripping plate, and the guide post is slidably connected in the guide sleeve.

The beneficial effects of the utility model: by setting the rotating part on the lower template, in a natural state, it is integrated with the lower template, which is a part of the forming mold. Driven by the workpiece to rotate in a vertical state, the workpiece can be demolded smoothly, saving the cost of mold making for forming inclined surfaces and drawing teeth on inclined surfaces, and improving production efficiency.

Description of drawings

Fig. 1 is the closed mold structure schematic diagram of the present utility model;

Fig. 2 is a structural schematic diagram of the positional relationship between the lower formwork and the rotating parts of the utility model;

Fig. 3 is a partial enlarged structural schematic diagram of part A in Fig. 2;

Fig. 4 is a schematic diagram of the mold opening structure of the utility model.

Reference signs include:

1—upper die assembly 11—upper die base 12—upper stripping plate

13—top pressure plate 14—guiding groove 15—first elastic member

16—Guide assembly 161—Guide post 162—Guide sleeve

2—Lower mold assembly 21—Lower mold holder 22—Lower template

221—Top surface 222—Slope side 223—First groove

2231—the first groove wall 2232—the second groove wall 2233—the third groove wall

224—Second Groove 3—Rotating Part 4—Forming Tooth Extraction Assembly

41—first pressing plate 42—second pressing plate 421—through hole

43—tooth extraction punch 44—second elastic member 5—push piece

6—ejector assembly 61—ejector rod 62—drive source.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the implementation mode is not to limit the utility model.

Please refer to Fig. 1 to Fig. 4, a kind of bevel tooth drawing mold of the present utility model, comprises upper mold assembly 1 and lower mold assembly 2, and described lower mold assembly 2 includes lower mold base 21 and lower mold base 21 Connected lower template 22, the lower template 22 is provided with a top surface 221, an oblique side 222, a first groove 223 and a second groove 224, the opening end of the second groove 224 is located on the oblique side 222, the The first groove 223 is arranged near the top surface 221, and the first groove 223 communicates with the second groove 224;

The inclined tooth extraction mold also includes a rotating part 3 that is rotatably connected to the lower template 22, a forming tooth extraction assembly 4 for inclined-plane stretching and tooth extraction of the workpiece, and a pusher 5 that pushes the forming tooth extraction assembly 4 to slide And the ejector assembly 6 for ejecting the workpiece, the rotating member 3 is accommodated in the first groove 223, the forming tooth extraction assembly 4 is connected to the upper mold assembly 1, and the push member 5 is connected to The upper mold assembly 1 , the ejection assembly 6 is arranged on the lower template 22 .

Specifically, in this embodiment, the rotating member 3 is in a natural state under the action of gravity, and is combined with the lower template 22 to form a lower forming mold. After the workpiece to be processed is placed on the upper end of the lower template 22, an external force is applied to the upper mold assembly 1 , the upper die assembly 1 moves downward under the action of an external force and presses the lower die assembly 2, and the pusher 5 moves in the direction of the lower die assembly 2 under the drive of the upper die assembly 1. Under the action of external force, the forming tooth extraction assembly 4 moves toward the inclined side surface 222 of the downward template 22, and completes the inclined plane stretching and tooth extraction process of the workpiece to be processed at one time, and the protrusion of the workpiece is accommodated in the second groove 224 after extraction Inside, when the ramp stretching and tooth extraction processes are completed, the upper mold assembly 1 moves upward, and under the action of the ejector assembly 6, the workpiece is ejected and moves vertically upward, and the vertical upward movement of the workpiece pushes the rotating part 3 to rotate around the rotation axis Until it is in a vertical state, the rotation of the rotating part 3 avoids the raised part of the workpiece after tooth extraction, so that the workpiece can be demolded smoothly. In the process, the utility model integrates the rotating part 3 with the lower template 22 in a natural state by setting the rotating part 3 on the lower template 22, which is a part of the molding die. Part 3 is driven by the workpiece to rotate in a vertical state, so that the workpiece can be demoulded smoothly, saving the cost of mold making for forming inclined surfaces and drawing teeth on inclined surfaces, and improving production efficiency.

The first groove 223 includes a first groove wall 2231, a second groove wall 2232 and a third groove wall 2233 connected in sequence, the first groove wall 2231 intersects the top surface 221, and the third groove wall 2233 intersects with the top surface 221. The inclined sides 222 intersect each other. During the demoulding process, the rotating part 3 rotates from the third groove wall 2233 to the first groove wall 2231. In the natural state, the rotating part 3 abuts against the third groove wall 2233, and the workpiece is demoulded. During the process, when rotating around the rotating shaft, the rotating part 3 is separated from the third groove wall 2233 and rotates towards the first groove wall 2231. The rotating part 3 rotates to a vertical state, so that the workpiece can be demolded smoothly. After the workpiece is demoulded, the rotating part 3 is in the Under the action of gravity, it abuts against the third groove wall 2233 again.

The ejector assembly 6 includes a push rod 61 and a drive source 62 for driving the push rod 61 to expand and contract. The push rod 61 is slidably connected to the lower template 22 , and the drive source 62 is arranged on the lower template 22 .

The driving source 62 is a spring.

Further, the driving source 62 is a spring, and the upper mold assembly 1 and the lower mold assembly 2 are pressed together. The spring of the driving source 62 is compressed. When the upper mold assembly 1 is separated from the lower mold assembly 2, the driving source 62 is released from the spring. The elastic force pushes the ejector rod 61 to move upwards, and then pushes the workpiece to move, so as to realize the purpose of the workpiece being ejected.

The upper mold assembly 1 includes an upper mold base 11, an upper stripping plate 12 and a top pressing plate 13 connected in sequence, the forming tooth extraction assembly 4 is slidably connected to the upper stripping plate 12, and the top pressing plate 13 is fixedly connected to the upper stripping plate 12. The stripping plate 12, the forming and extracting assembly 4 is located on one side of the top pressing plate 13, preferably, the upper stripping plate 12 moves up and down relative to the upper mold base 11.

The forming tooth extraction assembly 4 includes a first pressing plate 41, a second pressing plate 42, a tooth extraction punch 43 and a second elastic member 44;

The second clamping plate 42 is connected to the top clamping plate 13, the first clamping plate 41 is slidably arranged relative to the second clamping plate 42, and one end of the extraction punch 43 is connected to the first clamping plate 41, The second clamping plate 42 is provided with a through hole 421 for the free end of the extraction punch 43 to pass through, and the second elastic member 44 is arranged between the first clamping plate 41 and the second clamping plate 42 Between, the two ends of the second elastic member 44 are respectively connected with the first pressing plate 41 and the second pressing plate 42 .

One end of the pusher 5 is connected to the upper mold base 11 , and the other end of the pusher 5 abuts against the first pressing plate 41 .

Specifically, in this embodiment, under the action of an external force, the upper mold base 11 moves down, pushing the upper stripping plate 12, the top pressing plate 13 and the forming tooth extraction assembly 4 to move toward the lower template 22 at the same time until the top pressing plate 13 and the lower template The top surface 221 of 22 is pressed together, and the second binder plate 42 is bonded to the inclined side surface 222 to complete the slope stretching process. direction movement, the tooth extraction punch 43 protrudes out of the surface of the second hold-down plate 42 through the through hole 421 and completes the tooth extraction process.

The inclined tooth extraction die also includes a guide groove 14 connected to the upper stripping plate 12, and the first pressing plate 41 is slidably connected to the guide groove 14 to ensure the movement direction of the tooth extraction punch 43 and improve the accuracy of the tooth extraction position of the workpiece. To further ensure the pass rate of workpiece processing.

The upper mold assembly 1 also includes a first elastic member 15, the first elastic member 15 is arranged between the upper mold base 11 and the upper stripping plate 12, and the two ends of the first elastic member 15 are respectively connected to the upper mold Seat 11 and upper off plate 12.

The upper mold assembly 1 also includes a guide assembly 16, the guide assembly 16 includes a guide post 161 connected to the upper die base 11 and a guide sleeve 162 connected to the upper stripping plate 12, and the guide post 161 is slidably connected to the guide post 162. Inside the set 162.

Specifically, in this embodiment, a first elastic member 15 is provided between the upper mold base 11 and the upper stripping plate 12, and the first elastic member 15 is a spring. In a natural state, the first elastic member 15 is a spring to make the upper mold base 11 and the upper stripping plate 12 are arranged at intervals to realize the purpose of the upper mold base 11 gradually pressing the upper stripping plate 12, preventing the sudden force on the upper stripping plate 12 and affecting the service life of the mold. The guide post 161 slides in the guide sleeve 162, The guide sleeve 162 is installed on the upper stripping plate 12, and the guide post 161 is installed on the upper mold base 11 to ensure the accuracy of the movement direction of the upper mold base 11 and the upper stripping plate 12.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (10)

1. A tooth extraction mold on an inclined plane, comprising an upper mold assembly (1) and a lower mold assembly (2), characterized in that: the lower mold assembly (2) includes a lower mold base (21) and a lower mold assembly The lower template (22) connected to the seat (21), the lower template (22) is provided with a top surface (221), an oblique side surface (222), a first groove (223) and a second groove (224), so The opening end of the second groove (224) is arranged on the inclined side (222), the first groove (223) is arranged near the top surface (221), and the first groove (223) and the second groove (224) connected; The inclined tooth extraction mold also includes a rotating part (3) rotatably connected to the lower template (22), a forming tooth extraction assembly (4) used for inclined-plane stretching and tooth extraction of the workpiece, and a push forming tooth extraction assembly (4) a sliding pusher (5) and an ejection assembly (6) for ejecting a workpiece, the rotating member (3) is accommodated in the first groove (223), and the forming tooth extraction assembly (4) Connected to the upper mold assembly (1), the push piece (5) is connected to the upper mold assembly (1), and the ejector assembly (6) is arranged on the lower template (22). 2. The bevel tooth extraction mold according to claim 1, characterized in that: the first groove (223) includes a first groove wall (2231), a second groove wall (2232) and a third groove connected in sequence wall (2233), the first groove wall (2231) intersects with the top surface (221), the third groove wall (2233) intersects with the inclined side surface (222), during the demoulding process, the rotating member (3 ) rotates from the third groove wall (2233) to the first groove wall (2231). 3. The bevel tooth extraction mold according to claim 1, characterized in that: the ejector assembly (6) includes a push rod (61), a drive source (62) for driving the push rod (61) to expand and contract, the The push rod (61) is slidably connected to the lower template (22), and the driving source (62) is arranged on the lower template (22). 4. The bevel tooth extraction die according to claim 3, characterized in that: the driving source (62) is a compression spring. 5. The inclined tooth drawing mold according to claim 1, characterized in that: the upper mold assembly (1) includes an upper mold base (11), an upper stripping plate (12) and a top pressing plate (13) connected in sequence , the forming tooth extraction assembly (4) is slidably connected to the upper stripping plate (12), the top pressing plate (13) is fixedly connected to the upper stripping plate (12), and the forming tooth extraction assembly (4) is located on the top One side of the pressing plate (13). 6. The bevel tooth extraction mold according to claim 5, characterized in that: the forming tooth extraction assembly (4) comprises a first pressing plate (41), a second pressing plate (42), a tooth extraction punch head (43) and second elastic member (44); The second pressing plate (42) is connected with the top pressing plate (13), the first pressing plate (41) is slidably arranged relative to the second pressing plate (42), and the tooth extraction punch (43) One end is connected to the first pressing plate (41), and the second pressing plate (42) is provided with a through hole (421) for the free end of the extraction punch (43) to pass through, and the second elastic The piece (44) is arranged between the first pressure plate (41) and the second pressure plate (42), and the two ends of the second elastic piece (44) are connected with the first pressure plate (41) and the second pressure plate (42) respectively. Two binder plates (42) are connected. 7. The bevel tooth extraction mold according to claim 6, characterized in that: one end of the push piece (5) is connected to the upper mold base (11), and the other end of the push piece (5) is connected to the first press The material sheet (41) abuts. 8. The bevel tooth extraction mold according to claim 6, characterized in that: it also includes a guide groove (14) connected to the upper stripping plate (12), and the first pressing plate (41) is slidably connected to the guide groove (14). 9. The bevel tooth extraction mold according to claim 5, characterized in that: the upper mold assembly (1) further includes a first elastic member (15), and the first elastic member (15) is arranged on the upper mold Between the seat (11) and the upper stripping plate (12), the two ends of the first elastic member (15) are respectively connected to the upper mold base (11) and the upper stripping plate (12). 10. The bevel tooth extraction mold according to claim 5, characterized in that: the upper mold assembly (1) further includes a guide assembly (16), and the guide assembly (16) includes a ) of the guide post (161) and the guide sleeve (162) that is connected to the upper stripping plate (12), and the guide post (161) is slidably connected in the guide sleeve (162).