CN223278418U

CN223278418U - Injection mold for plastic product processing

Info

Publication number: CN223278418U
Application number: CN202422599084.7U
Authority: CN
Inventors: 张锋雷; 沈水明; 郭海斌
Original assignee: Jiaxing Jiale Plastic Co ltd
Current assignee: Jiaxing Jiale Plastic Co ltd
Priority date: 2024-10-28
Filing date: 2024-10-28
Publication date: 2025-08-29
Anticipated expiration: 2034-10-28

Abstract

The utility model relates to the technical field of injection molds and discloses an injection mold for processing plastic products, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a supporting seat. According to the utility model, the two bevel gears, the first threaded rod, the connecting rod, the vertical rods and the ejector rod are arranged, when the driving motor starts to operate, the rotating shaft drives the first bevel gear to rotate, the two bevel gears drive the first threaded rod to rotate together, so that the connecting rod moves upwards, the connecting rod drives the four vertical rods to move upwards together, when the connecting rod moves upwards, an injection molding finished product is subjected to the elastic action of the first spring in a compressed state, and in the rising process of the connecting rod, the first spring is gradually compressed, so that the ejection force of the ejector rod on the injection molding finished product is gradually improved, the buffering effect on the injection molding finished product is achieved, and after the vertical rods enter the ejector rod, the ejection function on the injection molding finished product is realized.

Description

Injection mold for plastic product processing

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for processing plastic products.

Background

Injection molding is a tool for producing plastic products, which injects molten plastic material into the mold, forms a product of a desired shape by pressurizing and cooling, and is generally composed of a mold base, a mold core, a mold cavity, a cooling system, a discharging system, and the like, and plays a vital role in the plastic injection molding process, and can mold plastic products with complex shapes, precise dimensions, or inserts at one time, and the design and manufacturing accuracy of the injection molding directly affect the quality and production efficiency of the final product.

In the process of processing plastic products, operators often use corresponding injection molds to carry out injection molding operation on the plastic products, but in the process of actual use, the existing injection molds have basic injection molding functions, but the finished products of the general injection molds are adhered inside the lower mold after injection molding is finished, so that the operators are inconvenient to take down the finished products to carry out subsequent injection molding operation, and the probability of damaging the quality of the finished products is increased by forced stripping, so that the improvement is needed.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides an injection mold for processing plastic products, which has the advantage of being convenient for taking materials.

In order to achieve the above purpose, the injection mold for plastic product processing comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a supporting seat, the middle of the top of the bottom plate is movably sleeved with a first threaded rod, the inside of the supporting seat is fixedly connected with a driving motor, the other end of an output shaft of the driving motor is fixedly sleeved with a rotating shaft, the other end of the rotating shaft is fixedly sleeved with a first bevel gear, the outer surface of the first bevel gear is in meshed connection with a second bevel gear, the inside of the second bevel gear is fixedly sleeved with the outer surface of the first threaded rod, the outer surface of the first threaded rod is in threaded sleeve connection with a connecting rod, four corners of the top of the connecting rod are fixedly connected with vertical rods, and the outer surface of the vertical rods is movably sleeved with an ejector rod.

As a preferable technical scheme of the utility model, a fixing frame is fixedly connected to the rear of the top of the bottom plate, a vertical groove is formed in the front of the fixing frame, a power motor is fixedly connected to the top of the fixing frame, a second threaded rod is fixedly sleeved at the other end of an output shaft of the power motor, the bottom end of the second threaded rod penetrates through the fixing frame and extends to the top of the bottom plate, an upper die is sleeved with threads, the outer surface of the upper die is movably connected with the inner part of the vertical groove, and an injection molding pipe is fixedly sleeved in the inner part of the top of the upper die.

As a preferable technical scheme of the utility model, the top of the bottom plate is fixedly provided with hollow pipes positioned at two sides of the first threaded rod, the interior of the hollow pipe is movably sleeved with a telescopic rod, the top of the hollow pipe is fixedly connected with a second spring, and the top of the second spring is fixedly connected with the outer surface of the telescopic rod.

As a preferable technical scheme of the utility model, the top of the telescopic rod is fixedly connected with a lower die, and the inside of the lower die is movably sleeved with the outer surface of the ejector rod.

As a preferable technical scheme of the utility model, limit rods are fixedly connected to four corners of the top of the lower die, and the outer surfaces of the limit rods are movably sleeved with the inner part of the upper die.

As a preferable technical scheme of the utility model, the outer surface of the connecting rod is movably sleeved with a first spring, the top of the first spring is fixedly connected with the bottom of the ejector rod, and the bottom of the first spring is fixedly connected with the top of the connecting rod.

As a preferable technical scheme of the utility model, the number of the limit rods is four, the sizes of the four limit rods are the same, and the outer surfaces of the four limit rods are smooth.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the two bevel gears, the first threaded rod, the connecting rod, the vertical rods and the ejector rod are arranged, when the driving motor starts to operate, the rotating shaft drives the first bevel gear to rotate, the two bevel gears drive the first threaded rod to rotate together, so that the connecting rod moves upwards, the connecting rod drives the four vertical rods to move upwards together, when the connecting rod moves upwards, the injection molding finished product is subjected to the elastic action of the first spring in a compressed state, in the rising process of the connecting rod, the first spring is gradually compressed, the ejection force of the ejector rod on the injection molding finished product is gradually increased, the buffering effect on the injection molding finished product is achieved, and when the vertical rods completely enter the ejector rod, the ejection function on the injection molding finished product is achieved, and the purpose of bringing convenience to operators to take out the injection molding finished product is achieved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front face of the present utility model;

FIG. 3 is a schematic cross-sectional view of a side face of the present utility model;

FIG. 4 is a schematic cross-sectional view of the front face of the lower mold of the present utility model;

fig. 5 is a schematic view of a partial enlarged structure at a in fig. 3.

In the figure, 1, a bottom plate, 2, a supporting seat, 3, a driving motor, 4, a rotating shaft, 5, a first bevel gear, 6, a second bevel gear, 7, a first threaded rod, 8, a connecting rod, 9, a vertical rod, 10, an ejector rod, 11, a first spring, 12, a fixing frame, 13, a power motor, 14, a second threaded rod, 15, an upper die, 16, a vertical groove, 17, an injection molding pipe, 18, a hollow pipe, 19, a telescopic rod, 20, a second spring, 21, a lower die, 22 and a limiting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the utility model provides an injection mold for processing plastic products, which comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a supporting seat 2, a first threaded rod 7 is movably sleeved in the middle of the top of the bottom plate 1, the inside of the supporting seat 2 is fixedly connected with a driving motor 3, the other end of an output shaft of the driving motor 3 is fixedly sleeved with a rotating shaft 4, the other end of the rotating shaft 4 is fixedly sleeved with a first bevel gear 5, the outer surface of the first bevel gear 5 is in meshed connection with a second bevel gear 6, the inside of the second bevel gear 6 is fixedly sleeved with the outer surface of the first threaded rod 7, the outer surface of the first threaded rod 7 is in threaded sleeve connection with a connecting rod 8, the four corners of the top of the connecting rod 8 are fixedly connected with vertical rods 9, the outer surface of the vertical rods 9 is movably sleeved with an ejector rod 10, when the driving motor 3 starts to operate, the rotating shaft 4 drives the first bevel gear 5 to rotate together, the second bevel gear 6 drives the first threaded rod 7 to move upwards, and the connecting rod 8 drives the four vertical rods 9 to move upwards together, and after the vertical rods 9 completely enter the inside of the ejector rod 10, the injection molding finished product is conveniently removed by an operator.

The rear of the top of the bottom plate 1 is fixedly connected with a fixing frame 12, the front of the fixing frame 12 is provided with a vertical groove 16, the top of the fixing frame 12 is fixedly connected with a power motor 13, the other end of an output shaft of the power motor 13 is fixedly sleeved with a second threaded rod 14, the bottom end of the second threaded rod 14 penetrates through the fixing frame 12 and extends to the top of the bottom plate 1, an upper die 15 is sleeved with threads, the outer surface of the upper die 15 is movably connected with the inside of the vertical groove 16, an injection molding pipe 17 is fixedly sleeved in the inside of the top of the upper die 15, when an operator needs to adjust the position of the upper die 15, the power motor 13 is started at the moment, the second threaded rod 14 rotates, and at the moment, the upper die 15 moves vertically along the outer surface of the fixing frame 12 due to the limiting effect of the vertical groove 16.

The top of the bottom plate 1 is fixedly provided with hollow pipes 18 positioned at two sides of the first threaded rod 7, the inside of each hollow pipe 18 is movably sleeved with a telescopic rod 19, the top of each hollow pipe 18 is fixedly connected with a second spring 20, the top of each second spring 20 is fixedly connected with the outer surface of each telescopic rod 19, when the telescopic rods 19 are subjected to external force, under the limiting action of the hollow pipes 18, vertical downward movement occurs, the second springs 20 are in a compressed state, and therefore the second springs 20 have a buffering effect.

The top of the telescopic rod 19 is fixedly connected with a lower die 21, the inside of the lower die 21 is movably sleeved with the outer surface of the ejector rod 10, when the upper die 15 moves downwards and finally contacts with the lower die 21, the telescopic rod 19 moves downwards at the moment, and the protective effect of the lower die 21 is achieved due to the buffering effect of the second spring 20 at the moment.

When the upper die 15 moves downwards, the upper die 15 moves vertically downwards along the outer surface of the limiting rod 22 due to the limiting effect of the limiting rod 22, and finally is attached to the lower die 21, so that the matching precision of the upper die 15 and the lower die 21 is improved.

When the connecting rod 8 moves, the injection molding finished product is subjected to the elastic action of the compression state of the first spring 11, and in the rising process of the connecting rod 8, the first spring 11 is gradually compressed, so that the ejection force of the ejection rod 10 on the injection molding finished product is gradually increased, and the buffering effect on the injection molding finished product is achieved.

The number of the limit rods 22 is four, the sizes of the four limit rods 22 are the same, the outer surfaces of the four limit rods 22 are smooth, the matching precision of the upper die 15 and the lower die 21 is improved due to the limit effect of the limit rods 22, and the movement of the upper die 15 on the outer surface of the limit rods 22 is smoother due to the smooth design of the limit rods 22, so that the abrasion is reduced.

The working principle and the using flow of the utility model are as follows:

firstly, start power motor 13, will make second threaded rod 14 take place to rotate, and make upper die 15 take place vertical downward movement under the spacing effect of perpendicular groove 16, when gag lever post 22 gets into the inside of upper die 15, will play the guide effect of upper die 15, finally when upper die 15 and lower die 21 contact, inject into the injection molding raw materials through injection molding pipe 17 to the inside of lower die 21, when need get the material after the cooling forming, start driving motor 3, will make pivot 4 drive first bevel gear 5 take place to rotate, and make second bevel gear 6 drive first threaded rod 7 together rotate, thereby let connecting rod 8 take place upward movement, and make connecting rod 8 drive four montants 9 together to carry out upward movement, when connecting rod 8 takes place the motion, the finished product of moulding plastics will receive the elasticity effect that first spring 11 is in compression state, and in the ascending in-process of connecting rod 8, first spring 11 is compressed gradually, make ejection rod 10 to the ejecting power of finished product will improve gradually, play the cushioning effect to the finished product of moulding plastics, after montant 9 gets into the inside of rod 10 completely, will realize the finished product ejection function of moulding plastics, the purpose of being convenient for the operator to take out the finished product of moulding plastics.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection mold for plastic product processing comprises a bottom plate (1) and is characterized in that the top of the bottom plate (1) is fixedly connected with a supporting seat (2), a first threaded rod (7) is movably sleeved at the middle of the top of the bottom plate (1), a driving motor (3) is fixedly connected to the inside of the supporting seat (2), a rotating shaft (4) is fixedly sleeved at the other end of an output shaft of the driving motor (3), a first bevel gear (5) is fixedly sleeved at the other end of the rotating shaft (4), a second bevel gear (6) is connected with the outer surface of the first bevel gear (5) in a meshed mode, a connecting rod (8) is fixedly sleeved at the inner portion of the second bevel gear (6) and the outer surface of the first threaded rod (7), a vertical rod (9) is fixedly connected to the four corners of the top of the connecting rod (8), and an ejector rod (10) is movably sleeved at the outer surface of the vertical rod (9).

2. The injection mold for plastic product processing according to claim 1, wherein a fixing frame (12) is fixedly connected to the rear of the top of the bottom plate (1), a vertical groove (16) is formed in the front of the fixing frame (12), a power motor (13) is fixedly connected to the top of the fixing frame (12), a second threaded rod (14) is fixedly sleeved at the other end of an output shaft of the power motor (13), the bottom end of the second threaded rod (14) penetrates through the fixing frame (12) and extends to the top of the bottom plate (1) and is in threaded sleeve joint with an upper mold (15), the outer surface of the upper mold (15) is movably connected with the inside of the vertical groove (16), and an injection molding pipe (17) is fixedly sleeved inside the top of the upper mold (15).

3. The injection mold for plastic product processing according to claim 1, wherein the top of the bottom plate (1) is fixedly provided with hollow pipes (18) positioned on two sides of the first threaded rod (7), telescopic rods (19) are movably sleeved in the hollow pipes (18), the top of each hollow pipe (18) is fixedly connected with a second spring (20), and the top of each second spring (20) is fixedly connected with the outer surface of each telescopic rod (19).

4. The injection mold for plastic product processing according to claim 3, wherein the top of the telescopic rod (19) is fixedly connected with a lower mold (21), and the inside of the lower mold (21) is movably sleeved with the outer surface of the ejector rod (10).

5. The injection mold for plastic product processing according to claim 4, wherein limit rods (22) are fixedly connected to four corners of the top of the lower mold (21), and the outer surfaces of the limit rods (22) are movably sleeved with the inner part of the upper mold (15).

6. The injection mold for plastic product processing according to claim 1, wherein a first spring (11) is movably sleeved on the outer surface of the connecting rod (8), the top of the first spring (11) is fixedly connected with the bottom of the ejector rod (10), and the bottom of the first spring (11) is fixedly connected with the top of the connecting rod (8).

7. The injection mold for plastic product processing according to claim 5, wherein the number of the limit rods (22) is four, the size of the four limit rods (22) is the same, and the outer surfaces of the four limit rods (22) are smooth.