CN218429648U - Mould is used in desktop computer support plastic part processing - Google Patents

Abstract

The utility model belongs to the technical field of the mould, especially, desk computer support mould for plastic parts machining, including the bed die, the top of bed die is equipped with mould and inside has seted up installation cavity and top and has seted up the chamber of moulding plastics, the equal fixed mounting in bottom both sides of going up the mould has the gag lever post, and the draw-in groove has all been seted up to one side that two gag lever posts are close to each other, the slot has all been seted up to the top both sides of bed die, and two gag lever posts are movable mounting respectively in the slot that corresponds, the top both sides of installation cavity all set up on fluted and the bottom inner wall rotate install the lead screw guide pin bushing and mould plastics between the chamber and seted up the connecting hole. The utility model discloses simple structure, convenient to use a desktop computer support mould for plastic parts machining, be convenient for carry out drawing of patterns and handle for inconvenient taking out the product after the product takes shape, increased production efficiency.

Description

A mold for processing plastic parts of a desktop computer bracket

technical field

The utility model relates to the technical field of moulds, in particular to a mold for processing plastic parts of a desktop computer bracket.

Background technique

With the improvement of people's living standards, computers are also necessary daily office supplies, and some special working environments need to adjust the height of the computer. Therefore, the application of computer lifts is required. In the structure of lifts, computer brackets It is particularly important. It should not only play an aesthetic role, but also play a role in supporting the computer. It needs to be beautiful and durable.

General computer brackets are usually made of materials such as plastics and require a large number of plastic parts for assembly and production, and these plastic parts need to use molds for mass production.

Mold, various molds and tools used in industrial production for injection molding, blow molding, extrusion, die-casting or forging forming, smelting, stamping and other methods to obtain the required products. In short, a mold is a tool used to make shaped objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the article through the change of the physical state of the formed material. Known as the "mother of industry", it is a tool for turning blanks into workpieces with specific shapes and sizes under the action of external forces. Widely used in blanking, die forging, cold heading, extrusion, powder metallurgy parts pressing, pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or cavity shape, and the application of the contour shape with a cutting edge can separate the blank according to the contour line shape (punching). Applying the shape of the inner cavity can make the blank obtain the corresponding three-dimensional shape. The mold generally includes two parts, the movable mold and the fixed mold (or punch and die), which can be separated or combined.

In the prior art, the mold is inconvenient to take out the product after forming the product, and the product is inconvenient to demould.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a mold for processing plastic parts of a desktop computer bracket.

In order to achieve the above object, the utility model adopts the following technical solutions:

A mold for processing plastic parts of a desktop computer bracket, including a lower mold, an upper mold is provided above the lower mold, an installation cavity is opened inside and an injection cavity is opened on the top, and both sides of the bottom of the upper mold are fixed and installed Position rods, two limit rods are provided with card slots on the side close to each other, slots are provided on both sides of the top of the lower mold, and the two two limit rods are respectively movably installed in the corresponding slots, Both sides of the top of the installation cavity are provided with grooves, and the inner wall of the bottom is rotatably installed with a screw guide sleeve and a connection hole is opened between the injection molding cavity. The second worm wheel and the second worm wheel are fixedly sleeved on the screw guide sleeve The first bevel tooth and the top thread are sleeved with a screw mandrel, the top of the screw mandrel is fixedly installed with a jacking plate, vertical rods are movably installed in the two grooves and there are movable holes between the corresponding slots respectively, the two grooves A horizontal bar is movably installed in each of the movable holes, and the two horizontal bars are adapted to the card slots, and the ends close to each other are rotatably installed with rollers, and the top ends of the two vertical bars are fixedly installed with cones matching the rollers. Two mounting rods are fixedly installed on the inner wall of the bottom of the installation cavity and two first worm gears are rotatably installed on one side of the inner wall, and a double joint is installed between the two first worm gears and the corresponding vertical rods respectively. Connecting rods, the first worms are rotatably installed on the two mounting rods, the two first worms are respectively meshed with the corresponding first worm gears, and the ends close to each other are fixedly sleeved with the second gears meshing with the first bevel teeth. Bevel teeth, one side of the lower mold is rotatably installed with a second worm meshing with the second worm gear.

Preferably, one end of the second worm is fixedly sleeved with a knob.

Preferably, one side of the lower mold is fixedly installed with a feeding pipe communicating with the injection molding cavity, and a valve is provided on the feeding pipe.

Preferably, a chute is provided on one side of the inner wall of the connecting hole, and a slider fixedly connected with the screw rod is slidably installed in the chute.

Preferably, compression springs are sleeved on the two cross bars, one end of the two compression springs is fixed on the corresponding cross bar, and the other end is fixed on the inner wall of the corresponding movable hole.

Preferably, return springs are sleeved on the two vertical bars, one end of the two return springs is fixed on the corresponding vertical bar, and the other end is fixed on the inner wall of the corresponding groove.

In the utility model, the mold for processing the plastic part of the desktop computer bracket first snaps the two limit rods at the bottom of the upper mold into the corresponding slots, and then drives the rotation of the second worm by turning the knob, The second worm drives the rotation of the second worm wheel and the screw guide sleeve, and the screw guide sleeve drives the downward movement of the screw rod, which can drive the downward movement of the jacking plate, so that the jacking plate is stuck in the connecting hole. At the opening, the screw guide bush drives the rotation of the first bevel teeth, and the first bevel teeth drive the rotation of the second bevel teeth on both sides, which drives the rotation of the two first worms, and the two first worms drive the rotation of the two first worms. The rotation of the two first worm wheels can drive the rotation of the two double-joint connecting rods, which can drive the upward movement of the two conical blocks, and the two conical blocks can squeeze the corresponding rollers to drive the The left and right of the two crossbars move separately, and the two crossbars snap into the slots on the corresponding limit rods to fix the positions of the two limit rods and the position of the upper mold, and then Add raw materials into the injection cavity through the feeding pipe for injection molding, close the valve of the feeding pipe, and after the injection molding is completed, turn the knob in the opposite direction to stop fixing the two limit rods, and drive the screw rod and the jacking plate. Moving upward, the jacking plate can eject the injection-molded product and the upper mold upward to complete the processing. The utility model has the advantages of simple structure and convenient use. The mold for processing the plastic part of the desktop computer bracket is convenient for demoulding, which makes it inconvenient to take out the product after the product is formed and increases the production efficiency.

Description of drawings

Fig. 1 is the structural representation of a kind of desktop computer support plastic parts processing mold that the utility model proposes;

Fig. 2 is the structural representation of part A of the mold for processing plastic parts of a desktop computer bracket proposed by the utility model;

Fig. 3 is the structural schematic diagram of part B of a mold for the processing of a desktop computer bracket plastic part that the utility model proposes;

Fig. 4 is a partial side view of the lower mold of a mold for processing plastic parts of a desktop computer bracket proposed by the utility model.

In the figure: 1 lower mold, 2 return spring, 3 first worm gear, 4 installation cavity, 5 installation rod, 6 double-section connecting rod, 7 upper mold, 8 injection cavity, 9 feeding pipe, 10 knob, 11 second worm, 12 first bevel tooth, 13 first worm, 14 second worm gear, 15 screw guide bush, 16 jacking plate, 17 screw mandrel, 18 groove, 19 cross bar, 20 second bevel tooth, 21 conical block, 22 vertical rods, 23 compression springs, 24 limit rods, 25 slots.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-4, a mold for processing plastic parts of a desktop computer bracket includes a lower mold 1, an upper mold 7 is arranged above the lower mold 1 and an installation cavity 4 is opened inside and an injection cavity 8 is opened on the top, and the upper mold 7 Both sides of the bottom of the lower mold 1 are fixedly equipped with limit rods 24, and the sides where the two limit rods 24 are close to each other are provided with card slots, and both sides of the top of the lower mold 1 are provided with slots 25, and the two limit rods 24 are respectively movably installed in the corresponding slots 25, grooves 18 are provided on both sides of the top of the installation cavity 4, and a screw guide sleeve 15 is installed on the inner wall of the bottom for rotation, and a connection hole is provided between the injection cavity 8 and the wire The second worm gear 14 and the first bevel gear 12 are fixedly sleeved on the rod guide sleeve 15, and the screw rod 17 is threaded on the top end, and the top of the screw rod 17 is fixedly installed with a jacking plate 16, and the two grooves 18 are movable. A vertical bar 22 is installed and a movable hole is provided between the corresponding slots 25 respectively. A crossbar 19 is movably installed in the two movable holes. Rollers are mounted on both sides, the tops of the two vertical rods 22 are fixedly mounted with conical blocks 21 compatible with the rollers, and two mounting rods 5 are fixedly installed on the bottom inner wall of the installation cavity 4 and rotated on one side of the inner wall. There are two first worm gears 3, two first worm gears 3 and the corresponding vertical rods 22 are respectively installed with double-joint connecting rods 6, and the first worms 13 are installed on the two installation rods 5, and the two second worm gears A worm 13 meshes with the corresponding first worm wheel 3 respectively and one end close to each other is fixedly sleeved with a second bevel tooth 20 meshing with the first bevel tooth 12, and one side of the lower mold 1 is rotatably mounted with the second The worm gear 14 meshes with the second worm 11 .

In the present invention, one end of the second worm 11 is fixedly sleeved with a knob 10 , and the second worm 11 can be easily rotated through the knob 10 .

In the utility model, one side of the lower mold 1 is fixedly installed with a feeding pipe 9 communicating with the injection molding cavity 8, and the feeding pipe 9 is provided with a valve, which facilitates adding raw materials into the injection molding cavity 8 for injection molding through the feeding pipe 9.

In the utility model, a chute is provided on one side inner wall of the connection hole, and a slide block fixedly connected with the screw mandrel 17 is slidably installed in the chute, and the movement of the screw mandrel 17 is facilitated by the chute and the slide block.

In the utility model, compression springs 23 are sleeved on the two cross bars 19, and one end of the two compression springs 23 is fixed on the corresponding cross bar 19, and the other end is fixed on the inner wall of the corresponding movable hole. Facilitate the reset of cross bar 19.

In the utility model, the two vertical rods 22 are sleeved with return springs 2, and one end of the two return springs 2 is fixed on the corresponding vertical rods 22, and the other end is fixed on the inner wall of the corresponding groove 18. The spring 2 facilitates the reset of the vertical bar 22 .

In the utility model, firstly, the two limit rods 24 at the bottom of the upper mold 7 are snapped into the corresponding slots 25, and then the rotation of the second worm 11 is driven by turning the knob 10, and the second worm 11 drives the second worm gear 14 and the rotation of the screw guide sleeve 15, the screw guide sleeve 15 drives the downward movement of the screw rod 17, which can drive the downward movement of the jacking plate 16, so that the jacking plate 16 is stuck at the opening of the connecting hole , the screw guide bush 15 drives the rotation of the first bevel gear 12, and the first bevel gear 12 drives the rotation of the second bevel gear 20 on both sides, which can drive the rotation of the two first worms 13, and the two second bevel gears 13 A worm 13 drives the rotation of the two first worm wheels 3, which drives the rotation of the two double-joint connecting rods 6, which drives the upward movement of the two conical blocks 21, and the two conical blocks 21 extrude The corresponding rollers can drive the left and right of the two cross bars 19 to move separately, and the two cross bars 19 snap into the slots on the corresponding stop rods 24, so that the positions of the two stop bars 24 can be fixed. , the position of the upper mold 7 can be fixed, and then the raw material is added into the injection cavity 8 through the feeding pipe 9 for injection molding, and the valve of the feeding pipe 9 is closed. A limit rod 24 is fixed, and has driven the upward movement of screw mandrel 17 and jacking plate 16, and jacking plate 16 can eject the product that injection molding completes and upper mold 7 upwards, finishes processing. The utility model has the advantages of simple structure and convenient use. The mold for processing the plastic part of the desktop computer bracket is convenient for demoulding, which makes it inconvenient to take out the product after the product is formed and increases the production efficiency.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. a mold for the processing of desktop computer support plastic parts, comprising a lower mold (1), is characterized in that, the top of the lower mold (1) is provided with an upper mold (7) and the inside is provided with a mounting cavity (4) and The top is provided with an injection molding cavity (8), and both sides of the bottom of the upper mold (7) are fixedly equipped with limit rods (24). Both sides of the top of the lower mold (1) are provided with slots (25), and two stop rods (24) are respectively movably installed in the corresponding slots (25). Grooves (18) are provided on both sides, and a screw guide sleeve (15) is rotated on the inner wall of the bottom, and a connection hole is opened between the injection molding cavity (8), and the screw guide sleeve (15) is fixedly sleeved. The second worm wheel (14) and the first bevel tooth (12) are arranged and the screw mandrel (17) is sleeved on the top thread, and the top of the screw mandrel (17) is fixedly equipped with a lifting plate (16), and two grooves (18 ) are movably equipped with vertical bars (22) and are respectively provided with movable holes between corresponding slots (25), and crossbars (19) are movably installed in the two movable holes, and two crossbars (19) Both are compatible with the draw-in groove and one end close to each other is rotatably equipped with rollers, and the tops of the two vertical rods (22) are all fixedly installed with tapered blocks (21) adapted to the rollers, and the installation cavity (4 ) are fixedly installed with two mounting rods (5) on the bottom inner wall and two first worm gears (3) are rotatably installed on one side of the inner wall, and the two first worm gears (3) are connected with the corresponding vertical rods (22) respectively. A double-joint connecting rod (6) is installed for rotation between the two installation rods (5), and a first worm (13) is installed for rotation on the two installation rods (5). One end that meshes and is close to each other is fixedly sleeved with a second bevel tooth (20) that meshes with the first bevel tooth (12). One side of the lower mold (1) is rotatably mounted with a second worm gear (14) Intermeshing second worm (11). 2 . The mold for processing plastic parts of a desktop computer stand according to claim 1 , wherein a knob ( 10 ) is fixedly sleeved on one end of the second worm ( 11 ). 3. A mold for processing plastic parts of a desktop computer bracket according to claim 1, characterized in that, one side of the lower mold (1) is fixedly installed with a feeding pipe (9) communicated with the injection cavity (8) ), the feeding pipe (9) is provided with a valve. 4. The mold for processing plastic parts of a desktop computer support according to claim 1, wherein a chute is provided on one side inner wall of the connecting hole, and a lead screw (17) is slidably installed in the chute. Fixed connected sliders. 5. a kind of desktop computer support mold for processing plastic parts according to claim 1 is characterized in that, two crossbars (19) are all sleeved with compression springs (23), and the two compression springs (23) One end is fixed on the corresponding cross bar (19), and the other end is fixed on the corresponding movable hole inner wall. 6. a kind of desktop computer support mold for processing plastic parts according to claim 1 is characterized in that, on the two vertical rods (22), return springs (2) are all sleeved, and the two return springs (2) One end is fixed on the corresponding vertical bar (22), and the other end is fixed on the inner wall of the corresponding groove (18).

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