Fingerstall forming equipment

Abstract

Fingerstall forming equipment comprises an indexing rotary table and a plurality of forming clamps arranged on the indexing rotary table, and the indexing rotary table drives the forming clamps to sequentially pass through a feeding station, a heating station, a cooling station and a discharging station; the forming clamp comprises a mounting seat, a forming lower die, a first forming upper die and a second forming upper die, the forming lower die is fixed on the mounting seat, and a die cavity is formed in the forming lower die; the first forming upper die is matched with the die cavity, the second forming upper die is arranged above the first forming upper die, a concave cambered surface is arranged at the bottom of the second forming upper die, a convex cambered surface is arranged at the top of the first forming upper die, and the concave cambered surface is matched with the convex cambered surface. The device realizes automatic production, and is high in production efficiency and low in production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of forming equipment, in particular to a fingerstall forming equipment. Background Art

[0002] Fingerstalls are worn on fingers for playing musical instruments. Fingerstalls are plastic parts. During production, a straight plastic sheet is first formed, and then the plastic sheet is heated and bent into a ring shape. Currently, there is no automated equipment for producing fingerstalls, resulting in low production efficiency and high production costs. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a fingerstall forming equipment, which realizes automated production, has high production efficiency and low production costs.

[0004] To solve the above technical problem, the technical solution of the utility model is: a fingerstall forming equipment, including an indexing turntable and a plurality of forming jigs arranged on the indexing turntable. The indexing turntable drives the forming jigs to sequentially pass through a feeding station, a heating station, a cooling station and a discharging station; the forming jig includes a mounting seat, a forming lower die, a first forming upper die and a second forming upper die. A first guide rod is arranged on the mounting seat, and the first guide rod is in lifting cooperation with the indexing turntable; the forming lower die is fixed on the mounting seat, and a die cavity is arranged on the forming lower die; the first forming upper die is matched with the die cavity, the first forming upper die is connected with a second guide rod, and the second guide rod is in lifting cooperation with the mounting seat; the second forming upper die is arranged above the first forming upper die, a concave arc surface is arranged at the bottom of the second forming upper die, a convex arc surface is arranged at the top of the first forming upper die, the concave arc surface is matched with the convex arc surface, the second forming upper die is connected with a third guide rod, and the third guide rod is in lifting cooperation with the mounting seat. The principle of the utility model: a straight plastic sheet is conveyed to the forming jig at the feeding station through a feeding mechanism, the plastic sheet is placed flat on the forming lower die, and the first forming upper die descends and presses the plastic sheet tightly; the indexing turntable drives the forming jig together with the plastic sheet to rotate to the heating station. After the plastic sheet is heated and softened, the first forming upper die further descends and pushes the plastic sheet into the die cavity of the forming lower die, and the plastic sheet is pressed and bent into a U shape; the second forming upper die descends and bends the parts of the plastic sheet exposed outside the die cavity on both sides inward, and finally bends the plastic sheet into a ring shape; the indexing turntable drives the forming jig together with the plastic sheet to rotate to the cooling station, and the first forming upper die and the second forming upper die keep pressing; after the fingerstall is cooled and shaped, the indexing turntable drives the forming jig together with the plastic sheet to rotate to the discharging station, the second forming upper die rises and resets, the first forming upper die rises and takes out the fingerstall from the die cavity, and a discharging chuck can take the fingerstall off the first forming upper die.

[0005] As an improvement, it further includes a feeding mechanism for feeding parts and materials to the feeding station. The feeding mechanism includes a feeding vibrating disk, a transfer seat with a material taking cavity provided at the output end of the feeding vibrating disk, a material taking suction cup, and a material taking air cylinder for driving the material taking suction cup to move back and forth between the transfer seat and the feeding station.

[0006] As an improvement, a heating water tank is provided at the heating station.

[0007] As an improvement, the heating water tank is arc-shaped.

[0008] As an improvement, a cooling water tank is provided at the cooling station.

[0009] As an improvement, a circular or annular support disk is provided above the indexing turntable. The support disk is connected to the indexing turntable through support columns. A buckle is provided on the mounting seat, and the buckle can be engaged with the support disk after the mounting seat rises; a release air cylinder for releasing the engagement state of the buckle is provided on the support disk. A T-shaped head is provided on the mounting seat, and the T-shaped head can cooperate with the lifting air cylinder.

[0010] As an improvement, the mounting seat includes a main body, an L-shaped plate provided at the lower end of the main body, and a one-word plate provided on the back of the main body. The first guide rod is provided on the one-word plate, the forming lower die is provided on the L-shaped plate, the second guide rod and the third guide rod pass through the main body. A second collision block is provided at the upper end of the second guide rod, and the second collision block can cooperate with the second downward pressing air cylinder. A third collision block is provided at the upper end of the third guide rod, and the third collision block can cooperate with the third downward pressing air cylinder.

[0011] As an improvement, a magnetic attraction block connected to the main body is provided above the third collision block, and the third collision block can be attracted to the magnetic attraction block after the third guide rod rises.

[0012] The beneficial effects brought by the present utility model compared with the prior art are as follows:

[0013] The indexing turntable is used to drive the forming fixture for flow production. The forming fixture is used in cooperation with the heating water tank and the cooling water tank to bend and form the plastic sheet, realizing automated production, with high production efficiency and low production cost. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of a finger cot blank.

[0015] Figure 2 It is a schematic diagram of the formed finger cot.

[0016] Figure 3 It is a top view of the finger cot forming device.

[0017] Figure 4 It is a three-dimensional view of the finger cot forming device.

[0018] Figure 5Schematic diagram of the forming fixture in state I.

[0019] Figure 6 Schematic diagram of the forming fixture in state II. Detailed implementation mode

[0020] The present utility model will be further described below in conjunction with the accompanying drawings of the specification.

[0021] A finger sleeve forming device is used for producing finger sleeves. As Figure 1 , 2 shown, the finger sleeve includes an annular part and a pointed convex part. The finger sleeve is formed by bending the blank of the T-shaped plastic sheet 1. The transverse part 11 of the T-shaped plastic sheet 1 is used for forming the annular part 111, and the vertical part 12 of the T-shaped plastic sheet 1 is used for forming the pointed convex part 121. When in use, the annular part 111 is sleeved on the finger, and the pointed convex part 121 is placed on the nail.

[0022] As Figure 3 , 4 shown, the finger sleeve forming device includes an indexing turntable 2, a plurality of forming fixtures 4 arranged on the indexing turntable 2, a feeding mechanism 5 and a discharging mechanism 8; feeding stations, heating stations, cooling stations and discharging stations are arranged on the periphery of the indexing turntable 2, and the indexing turntable 2 drives the forming fixture 4 to pass through the feeding station, heating station, cooling station and discharging station in sequence.

[0023] As Figure 3 shown, the feeding mechanism 5 includes a feeding vibrating disk 51, a transfer seat 52 with a material taking cavity arranged at the output end of the feeding vibrating disk 51, a material taking suction cup 53 and a material taking cylinder 54 for driving the material taking suction cup 53 to move back and forth between the transfer seat 52 and the feeding station. The material taking cavity of the transfer seat 52 is T-shaped, and its shape is similar to that of the straight plastic sheet. The feeding vibrating disk 51 feeds the plastic sheets into the transfer seat 52 in sequence. When the plastic sheet enters the material taking cavity, the position of the plastic sheet is fixed, which is convenient for the material taking suction cup 53 to accurately take the material. The telescopic rod of the material taking cylinder 54 is connected to the suction cup cylinder, and the telescopic rod of the suction cup cylinder is connected to the material taking suction cup 53. The material taking cylinder 54 is responsible for driving the material taking suction cup 53 to move horizontally in a straight line, and the suction cup cylinder is responsible for driving the material taking suction cup 53 to move up and down to complete the actions of taking and conveying the material by the material taking suction cup 53.

[0024] As Figure 3 shown, a heating water tank 6 is arranged at the heating station. The heating water tank 6 can be electrically heated, and the temperature of the hot water is controllable; the heating water tank 6 is arc-shaped. When the indexing turntable 2 drives the forming fixture 4 to rotate, the plastic sheet in the forming fixture 4 can be continuously heated and formed in the heating water tank 6. A cooling water tank 7 is arranged at the cooling station, and the plastic sheet is shaped after being cooled.

[0025] As Figure 5 ,6As shown in the figure, the forming fixture 4 includes a mounting base, a forming lower die 401, a first forming upper die 402, and a second forming upper die 403. The mounting base includes a main body 406, an L-shaped plate 410 provided at the lower end of the main body 406, and a one-word plate 411 provided on the back of the main body 406. A first guide rod 412 is provided on the one-word plate 411, and a first guide hole for cooperating with the first guide rod 412 is provided on the indexing turntable 2. The first guide rod 412 is in lifting cooperation with the indexing turntable 2; a circular or annular support plate 3 is provided above the indexing turntable 2. The support plate 3 is connected to the indexing turntable 2 through support columns. A buckle 413 is provided on the one-word plate 411. After the mounting base rises, the buckle 413 can be engaged with the support plate 3, so that the mounting base is held at a high position and rotates with the indexing turntable 2. The forming lower die 401 is fixed on the L-shaped plate 410 of the mounting base. The forming lower die 401 is located below the main body 406. A mold cavity is provided on the forming lower die 401. A positioning groove is provided on the surface of the forming lower die 401 for positioning the position of the plastic sheet. The feeding mechanism 5 directly places the plastic sheet in the positioning groove. At this time, the plastic sheet is located above the mold cavity. The first forming upper die 402 cooperates with the mold cavity. The first forming upper die 402 includes a first forming part for forming an annular part and a second forming part for forming a pointed convex part. The first forming upper die 402 is connected to a second guide rod 404. A second guide hole for cooperating with the second guide rod 404 is provided on the main body 406. The second guide rod 404 is in lifting cooperation with the mounting base, so that the first forming upper die 402 can be lifted and lowered stably; a second collision block 408 is provided at the upper end of the second guide rod 404. The second collision block 408 can cooperate with the second downward pressing cylinder 415. When the first forming upper die 402 needs to apply downward pressure, the second downward pressing cylinder 415 acts on the second collision block 408, causing the first forming upper die 402 to press down. A fourth guide rod is provided at the top of the main body 406. The second collision block 408 is in sliding cooperation with the fourth guide rod.The second forming upper die 403 is arranged above the first forming upper die 402. The second forming upper die 403 corresponds to its first forming part. When the first forming part and the second forming upper die 403 jointly form the annular part of the finger sleeve, a concave arc surface is provided at the bottom of the second forming upper die 403, and a convex arc surface is provided at the top of the first forming part of the first forming upper die 402. The concave arc surface cooperates with the convex arc surface. The second forming upper die 403 is connected to the third guide rod 405. A third guide hole matching the third guide rod 405 is provided on the main body 406. The third guide rod 405 is in lifting cooperation with the mounting seat, so that the second forming upper die 403 can be lifted and lowered stably. A third collision block 407 is provided at the upper end of the third guide rod 405. The third collision block 407 can cooperate with the third downward pressing air cylinder 416. A magnetic attraction block 409 is provided above the third collision block 407. The magnetic attraction block 409 is connected to the main body 406 through a fourth guide rod. After the third guide rod 405 rises, the third collision block 407 can be attracted to the magnetic attraction block 409, and the third collision block 407 is separated from the magnetic attraction block 409 by the action of the third downward pressing air cylinder 416 on the third collision block 407. The buckle 413 is arranged vertically. The buckle 413 is installed on the hinge seat, and the hinge seat is fixed on the one-word plate 411. A spring is provided on the back of the buckle 413, and the elastic force of the spring enables the buckle 413 to maintain the clamping force with the support plate. A release cylinder 418 for releasing the clamping state of the buckle 413 is provided on the support plate 3. When the entire mounting seat needs to sink, the release cylinder 418 acts on the buckle 413 to make the buckle 413 disengage from the support plate 3, and the mounting seat descends under its own gravity. A T-shaped head 414 is provided at the top of the magnetic attraction block 409. The T-shaped head 414 can cooperate with the lifting air cylinder 417. When the mounting seat needs to rise, the lifting air cylinder 417 drives the chuck to descend to clamp the T-shaped head 414 and then lift it upward. In this embodiment, when the forming fixture 4 passes through the heating water tank 6 and the cooling water tank 7, the mounting seat needs to be lifted and lowered to avoid obstacles.

[0026] Principle of the utility model: The straight plastic sheet is conveyed to the forming fixture 4 at the loading station through the feeding mechanism 5. The plastic sheet is placed flat on the forming lower die 401, and the first forming upper die 402 descends and presses the plastic sheet tightly. The indexing turntable 2 drives the forming fixture 4 together with the plastic sheet to rotate to the heating station. After being heated, the plastic sheet becomes soft, and the first forming upper die 402 further descends and pushes the plastic sheet into the cavity of the forming lower die 401, and the plastic sheet is pressed and bent into a U shape. The second forming upper die 403 descends and bends the parts of the plastic sheet exposed outside the cavity on both sides inward, and finally bends the plastic sheet into a ring shape. The indexing turntable 2 drives the forming fixture 4 together with the plastic sheet to rotate to the cooling station, and the first forming upper die 402 and the second forming upper die 403 remain in the pressed state. After the finger sleeve is cooled and shaped, the indexing turntable 2 drives the forming fixture 4 together with the plastic sheet to rotate to the unloading station. The second forming upper die 403 rises and resets, the first forming upper die 402 rises and takes the finger sleeve out of the cavity, and the unloading chuck can take the finger sleeve off the first forming upper die 402.

Claims

1. A fingerstall forming device, characterized in that: It includes an indexing turntable and several forming jigs arranged on the indexing turntable. The indexing turntable drives the forming jigs to sequentially pass through the loading station, the heating station, the cooling station and the unloading station; the forming jig includes a mounting seat, a forming lower die, a first forming upper die and a second forming upper die. A first guide rod is provided on the mounting seat, and the first guide rod is in lifting cooperation with the indexing turntable; the forming lower die is fixed on the mounting seat, and a mold cavity is provided on the forming lower die; the first forming upper die is matched with the mold cavity, the first forming upper die is connected to a second guide rod, and the second guide rod is in lifting cooperation with the mounting seat; the second forming upper die is arranged above the first forming upper die, a concave arc surface is provided at the bottom of the second forming upper die, a convex arc surface is provided at the top of the first forming upper die, the concave arc surface is matched with the convex arc surface, the second forming upper die is connected to a third guide rod, and the third guide rod is in lifting cooperation with the mounting seat.

2. The fingerstall forming device according to claim 1, wherein: It also includes a loading mechanism for conveying parts materials to the loading station. The loading mechanism includes a feeding vibrating disk, a transfer seat with a material taking cavity arranged at the output end of the feeding vibrating disk, a material taking suction cup and a material taking air cylinder for driving the material taking suction cup to move back and forth between the transfer seat and the loading station.

3. The finger cot forming device according to claim 1, wherein: A heating water tank is provided at the heating station.

4. The finger cot forming device according to claim 3, wherein: The heating water tank is arc-shaped.

5. A finger cot forming device according to claim 1, wherein: A cooling water tank is provided at the cooling station.

6. The finger cot forming device according to claim 1, characterized in that: A circular or annular support disk is provided above the indexing turntable. The support disk is connected to the indexing turntable through support columns. A buckle is provided on the mounting seat, and the buckle can be engaged with the support disk after the mounting seat rises; a release air cylinder for releasing the engaged state of the buckle is provided on the support disk. A T-shaped head is provided on the mounting seat, and the T-shaped head can be matched with a lifting air cylinder.

7. The finger cot forming device according to claim 1, wherein: The mounting seat includes a main body, an L-shaped plate arranged at the lower end of the main body and a one-word plate arranged at the back of the main body. The first guide rod is arranged on the one-word plate, the forming lower die is arranged on the L-shaped plate, the second guide rod and the third guide rod pass through the main body. A second collision block is provided at the upper end of the second guide rod, and the second collision block can be matched with a second pressing air cylinder. A third collision block is provided at the upper end of the third guide rod, and the third collision block can be matched with a third pressing air cylinder.

8. The finger cot forming device according to claim 7, wherein: A magnetic attraction block connected to the main body is provided above the third collision block, and the third collision block can be attracted to the magnetic attraction block after the third guide rod rises.

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