CN223604893U - A precision plastic gear mold - Google Patents

Abstract

The utility model relates to the technical field of plastic gear molds, in particular to a precise plastic gear mold, which comprises a mold frame, wherein hydraulic rods are fixedly arranged at four corners of the surface of the mold frame, an upper mold is fixedly arranged at the top of the hydraulic rods, mounting grooves are formed in two sides of the surface of the mold frame, positioning components are arranged in the mounting grooves, a lower mold is arranged between the positioning components, positioning grooves are formed in the front surface of the mold frame, a sealing cover is arranged on the surface of each positioning groove, a pushing component is arranged in each positioning groove, the upper mold, the positioning components and the lower mold are matched for use, the hydraulic rods drive the upper mold to move downwards in the use process, the upper mold extrudes the lower mold, and after extrusion, personnel can replace the lower mold through the positioning components so as to perform injection molding on gear molds with different sizes, so that convenience in replacing different molds is improved.

Description

Precise plastic gear mold

Technical Field

The utility model relates to the technical field of plastic gear molds, in particular to a precise plastic gear mold.

Background

The mold is a variety of molds and tools used in industrial production for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping, etc. to obtain the desired product, and in short, the mold is a tool used for making molded articles, which is composed of various parts, and different molds are composed of different parts. The method mainly realizes the processing of the appearance of the article through the change of the physical state of the formed material, and has the name of 'industrial mother'.

The utility model discloses a precision plastic gear mould in the publicity symbol CN221476002U, although, including the workstation, the top of workstation is fixed with two bed dies and electric telescopic handle respectively, electric telescopic handle's output is fixed with electric rotating carousel, electric rotating carousel's top is fixed with even the board, even the both ends are fixed with mould and swager respectively about the board, the inside of going up the mould is equipped with the pushing component, the inside of workstation is equipped with ejecting subassembly, ejecting subassembly includes two second motors fixed with the bottom of workstation inner chamber, the output of second motor is fixed with the bull stick. This accurate plastic gear mould is convenient for release the article in the bed die through being provided with ejecting subassembly to be convenient for get the material, avoid causing the finished product to damage, and through being provided with pushing away material subassembly, can fully impel the material in the tooth of bed die internal surface, and then make the protruding tooth on finished product surface complete, the phenomenon of breach can not appear.

In the process of using the plastic gear mould, only one plastic gear mould can be subjected to injection molding, the plastic gear mould cannot be replaced, and when an article is pushed out, the injection molding is easily damaged due to insufficient cooling of the injection molding, so that the occurrence of a notch or damage condition of the injection molding article is caused.

Disclosure of utility model

The utility model provides a precise plastic gear mold, which can effectively solve the problems that in the using process of the plastic gear mold in the prior art, only one plastic gear mold can be subjected to injection molding, the plastic gear mold cannot be replaced, and in pushing out an article, the injection molding is easily damaged due to insufficient cooling of the injection molding, so that the condition that the injection molding article is notched or damaged occurs.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

The utility model provides a precise plastic gear mold, which comprises a mold frame, wherein hydraulic rods are fixedly arranged at four corners of the surface of the mold frame, an upper mold is fixedly arranged at the top of the hydraulic rods, mounting grooves are formed in two sides of the surface of the mold frame, positioning components are arranged in the mounting grooves, a lower mold is arranged between the positioning components, positioning grooves are formed in the front surface of the mold frame, sealing covers are arranged on the surfaces of the positioning grooves, and pushing components are arranged in the positioning grooves.

The telescopic rod is fixedly installed at four corners of the installation groove, springs are sleeved on the surfaces of the telescopic rods, positioning blocks are fixedly installed at one ends of two telescopic rods which are oppositely arranged, and sealing plates are fixedly installed at one ends of the other two telescopic rods which are oppositely arranged.

Guide grooves are formed in two sides of the surface of the lower die, the size of each guide groove is matched with that of each positioning block, and each positioning block slides in each guide groove.

The lower die consists of two separable dies, and a sealing plate is arranged on the surface of a die gap.

The pushing assembly comprises a servo motor fixedly arranged in the positioning groove, a reciprocating screw rod is fixedly arranged at the output end of the servo motor, lifting rods are connected with the surfaces of the reciprocating screw rod in a threaded mode, and pushing blocks are fixedly arranged on two sides of the surfaces of the lifting rods.

The sliding grooves are formed in two sides of the inside of the model frame, the size of the sliding grooves is matched with the sizes of two ends of the lifting rod, and the two ends of the lifting rod slide in the sliding grooves.

The pushing block is located below the mounting groove and penetrates through the mounting groove.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

1. Utilize the cooperation of model frame, hydraulic stem, go up mould, locating component and bed die to use, at the in-process of using, the hydraulic stem will drive the mould and move downwards, goes up the mould and extrudees the bed die, and personnel accessible locating component changes the bed die after the extrusion to mould plastics the gear mould of unnecessary size, improved the convenience of changing different moulds.

2. After the gear model is subjected to injection molding, a person turns on a power supply of the servo motor, the output end of the servo motor drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the pushing block to move up and down, and the pushing block pushes the lower die, so that the efficiency of rapidly pushing the die is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

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

FIG. 2 is a split block diagram of the present utility model;

FIG. 3 is a block diagram of a propulsion assembly of the present utility model;

FIG. 4 is a block diagram of a positioning assembly according to the present utility model.

The numerical control machine comprises the following components of a model frame, a hydraulic rod, an upper die, a positioning component, a telescopic rod, a spring, a positioning block, a sealing plate, a lower die, a sealing cover, a pushing component, a servo motor, a reciprocating screw rod, a lifting rod, a pushing block and a pushing block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

Referring to fig. 1 to 4, a precision plastic gear mold comprises a mold frame 1, hydraulic rods 2 are fixedly installed at four corners of the surface of the mold frame 1, an upper mold 3 is fixedly installed at the top of each hydraulic rod 2, mounting grooves are formed in two sides of the surface of the mold frame 1, positioning components 4 are arranged in the mounting grooves, a lower mold 5 is arranged between the positioning components 4, positioning grooves are formed in the front surface of the mold frame 1, sealing covers 6 are arranged on the surface of each positioning groove, and pushing components 7 are arranged in the positioning grooves;

Firstly, the lower die 5 is placed in the mounting groove, then the positioning component 4 positions the lower die 5, after the positioning, a worker starts the hydraulic rod 2, the hydraulic rod 2 drives the upper die 3 to move downwards, the upper die 3 extrudes the lower die 5, and after the lower die 5 is extruded and molded, the pushing component 7 pushes the lower die 5 out.

Embodiment one:

The four corners of the inside of the mounting groove are fixedly provided with telescopic rods 41, the surfaces of the telescopic rods 41 are sleeved with springs 42, one ends of two telescopic rods 41 which are oppositely arranged are fixedly provided with positioning blocks 43, one ends of the other two telescopic rods 41 which are oppositely arranged are fixedly provided with sealing plates 44, the two sides of the surface of the lower die 5 are provided with guide grooves, the size of the guide grooves are matched with the size of the positioning blocks 43, the positioning blocks 43 slide in the guide grooves, the lower die 5 is composed of two separable dies, and the surfaces of the die gaps are provided with the sealing plates 44;

In the use, personnel will put bed die 5 through the guide way in the inside of mounting groove, and then bed die 5 will extrude locating piece 43 and closing plate 44, and after locating piece 43 and closing plate 44 received the extrusion, spring 42 will take place to reset because of the extrusion, and to rebound locating piece 43 and closing plate 44 through telescopic link 41, locating piece 43 will fix a position bed die 5, and closing plate 44 seals bed die 5.

Embodiment two:

The pushing assembly 7 comprises a servo motor 71 fixedly arranged in the positioning groove, a reciprocating screw rod 72 is fixedly arranged at the output end of the servo motor 71, a lifting rod 73 is connected to the surface of the reciprocating screw rod 72 in a threaded manner, push-out blocks 74 are fixedly arranged on two sides of the surface of the lifting rod 73, sliding grooves are formed in two sides of the inside of the model frame 1, the size of the sliding grooves is matched with the sizes of two ends of the lifting rod 73, the two ends of the lifting rod 73 slide in the sliding grooves, the push-out blocks 74 are located below the mounting groove, and the push-out blocks 74 penetrate through the mounting groove;

In the use process, a person turns on the servo motor 71, the output end of the servo motor drives the reciprocating screw rod 72 to rotate, when the reciprocating screw rod 72 rotates, the lifting rod 73 is driven to move up and down, when the lifting rod 73 moves up and down, the pushing block 74 is driven to move up and down, the pushing block 74 is positioned below the lower die 5, when the pushing block 74 moves up, the lower die 5 is pushed out, and the pushing efficiency of the lower die 5 is improved.

The working principle is that the lower die 5 is placed in the mounting groove through the guide groove, then the lower die 5 extrudes the positioning block 43 and the sealing plate 44, after the positioning block 43 and the sealing plate 44 are extruded, the spring 42 resets due to extrusion, the positioning block 43 and the sealing plate 44 rebound through the telescopic rod 41, the positioning block 43 positions the lower die 5, the sealing plate 44 seals the lower die 5, then the servo motor 71 is powered on, the output end of the servo motor drives the reciprocating screw 72 to rotate, the lifting rod 73 is driven to move up and down when the reciprocating screw 72 rotates, the lifting rod 73 drives the push-out block 74 to move up and down when the lifting rod 73 moves up and down, the push-out block 74 is positioned below the lower die 5, and when the push-out block 74 moves up, the lower die 5 is pushed out, and a person takes out the gear die in the lower die 5.

Although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modification or substitution does not depart from the spirit and scope of the embodiments.

Claims (7)

1. The precise plastic gear mold comprises a mold frame (1) and is characterized in that hydraulic rods (2) are fixedly installed at four corners of the surface of the mold frame (1), an upper mold (3) is fixedly installed at the top of each hydraulic rod (2), mounting grooves are formed in two sides of the surface of the mold frame (1), positioning components (4) are arranged in the mounting grooves, a lower mold (5) is arranged between the positioning components (4), positioning grooves are formed in the front face of the mold frame (1), sealing covers (6) are arranged on the surfaces of the positioning grooves, and pushing components (7) are arranged in the positioning grooves.

2. The precise plastic gear mold according to claim 1, wherein four corners inside the mounting groove are fixedly provided with telescopic rods (41), the surfaces of the telescopic rods (41) are sleeved with springs (42), one end of each of the two telescopic rods (41) which are oppositely arranged is fixedly provided with a positioning block (43), and one end of each of the other two telescopic rods (41) which are oppositely arranged is fixedly provided with a sealing plate (44).

3. The precise plastic gear mold according to claim 1, wherein guide grooves are formed in two sides of the surface of the lower mold (5), the size of the guide grooves is matched with the size of the positioning blocks (43), and the positioning blocks (43) slide in the guide grooves.

4. A precision plastic gear mould according to claim 1, characterized in that the lower mould (5) is composed of two separable moulds, the surface of the mould gap being provided with sealing plates (44).

5. The precise plastic gear mold according to claim 1, wherein the pushing assembly (7) comprises a servo motor (71) fixedly installed inside the positioning groove, a reciprocating screw rod (72) is fixedly installed at the output end of the servo motor (71), a lifting rod (73) is connected to the surface of the reciprocating screw rod (72) in a threaded manner, and pushing blocks (74) are fixedly installed on two sides of the surface of the lifting rod (73).

6. The precise plastic gear mold according to claim 1, wherein sliding grooves are formed in two sides of the inside of the mold frame (1), the size of the sliding grooves is matched with the sizes of two ends of the lifting rod (73), and the two ends of the lifting rod (73) slide in the sliding grooves.

7. The precision plastic gear mold according to claim 5, wherein the push-out block (74) is located below the mounting groove, and the push-out block (74) penetrates the mounting groove.