CN212446093U

CN212446093U - A precision computer electrical connector mold

Info

Publication number: CN212446093U
Application number: CN202020439798.0U
Authority: CN
Inventors: 张润清; 万晓斌; 张世飞
Original assignee: Kunshan Quanjiaxin Precision Machinery Technology Co ltd
Current assignee: Kunshan Quanjiaxin Precision Machinery Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-02
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to the technical field of connector production equipment, in particular to a precision computer electrical connector mold, which solves the shortcomings of low positioning accuracy, short service life and poor stability in the prior art, including a base, an upper mold and a symmetrical arrangement. The top of the base is connected with a die foot by screws, the top of the die foot is fixed with a lower die by bolts, and the top of the lower die is assembled with symmetrically arranged guide posts by countersunk bolts, and the first bevel gear , The setting of the second bevel gear, lead screw, ball nut and other structures, when the upper die moves down to close the mold, because the upper die will drive the ball nut to move at the same time, according to the principle of the lead screw, the lead screw rotates, and the two lead screws The end is driven by a bevel gear, so that the two sides of the upper mold can be kept synchronously moving during mold clamping, which enhances the clamping stability of the upper mold, prevents the upper mold from being offset or tilted, and improves the molding quality of the product.

Description

Precision computer electric connector mould

Technical Field

The utility model relates to a connector production facility technical field especially relates to an accurate type computer electric connector mould.

Background

Dies, various moulds and tools for obtaining the desired products by injection, blow, extrusion, die-casting or forging, smelting, stamping, etc. in industrial production, in short, a die is a tool for making shaped articles, which tool is composed of various parts, and different dies are composed of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

The prior production mould of the electric connector has the following defects: 1. the die is guided and positioned only by the guide post, so that the positioning precision is low; 2. the overlarge impact force of the upper die in the die closing process can cause overlarge pressure between the dies, so that stress is accumulated, and the service life is short; 3. the mould can shift or incline on the guide pillar because of vibration in the mould closing process, and the stability is poor, thereby influencing the molding quality of products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of low positioning precision, short service life and poor stability in the prior art and providing a precise computer electric connector mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a precise computer electric connector die comprises a base, an upper die and symmetrically arranged mounting plates, wherein the top of the base is connected with die feet through screws, the top of the die feet is fixed with a lower die through bolts, the top of the lower die is assembled with symmetrically arranged guide pillars through countersunk bolts, and the upper die is arranged outside the guide pillars in a sliding manner;

a synchronous rod is rotatably arranged between the two mounting plates, first conical gears are arranged at two ends of the synchronous rod, a lead screw is rotatably arranged between the base and the mounting plates, a connecting block is arranged outside the lead screw in a sliding manner, the connecting block is fixedly connected with two sides of the upper die through screws, a second conical gear is arranged at the top end of the lead screw, and the first conical gear is meshed with the second conical gear;

the both sides of lower mould loop through hexagon screw to be fixed with curb plate and limiting plate, one side slip of curb plate is provided with the slider, one side of slider is fixed with the backup pad through the countersunk head bolt, and the welding of the bottom of backup pad has the locating piece, the locating piece is the tapering form, the through-hole and the constant head tank that are linked together are seted up in proper order to the inside of limiting plate, constant head tank and locating piece phase-match.

Preferably, the first bearing of symmetrical arrangement is installed at the top of base, and second bearing and third bearing are all installed to the inside of two mounting panels, the lead screw cover is established in the inside of first bearing and second bearing, the cover of synchronizing bar is established in the inside of third bearing.

Preferably, a guide hole is formed in the upper die, a guide sleeve is assembled in the guide hole, and the guide column is assembled in the guide sleeve.

Preferably, the outside cover of lead screw is equipped with the spring, and the both ends of spring are respectively through the top fixed connection of buckle and the bottom of locating piece and base.

Preferably, a through hole is formed in the positioning block, and the screw rod penetrates through the through hole, the through hole and the positioning groove.

Preferably, one side of the side plate is fixed with a guide rail through a rivet, the sliding block is connected with the guide rail in a sliding mode, and limiting blocks are arranged at two ends of the guide rail.

Preferably, the connecting block is internally provided with a mounting hole, a ball nut is fixed in the mounting hole through a countersunk bolt, and the ball nut is assembled outside the screw.

The utility model has the advantages that:

1. the utility model discloses in through the setting of locating piece, constant head tank isotructure, utilize assorted locating piece and constant head tank to fix a position when the mould compound die to promote the compound die precision of mould.

2. The utility model discloses in through the setting of spring, the compound die divide into two stages, at secondary compound die stage in-process, because the backup pad downstream is pushed down to the both sides of going up the mould, can receive the ascending thrust of spring, and then can slow down the impulsive force of last mould, reduces the pressure between the mould, reduces the inside stress of mould and piles up to this effect of realizing extension mould life.

3. The utility model discloses in through the setting of first conical gear, second conical gear, lead screw, ball nut isotructure, when last mould moves the compound die downwards, because it can drive ball nut and remove simultaneously to go up the mould, makes the lead screw rotate according to the lead screw principle, and two lead screw tip pass through conical gear transmission, just so can keep last mould both sides synchronous motion when the compound die, the compound die stability of mould in the reinforcing has avoided last mould to take place skew or slope, and then has promoted the shaping quality of product.

Drawings

Fig. 1 is a front view of a precision computer electrical connector mold according to the present invention;

FIG. 2 is a schematic view of the mold closing process of the present invention;

fig. 3 is a schematic diagram of the secondary mold closing process provided by the present invention.

In the figure: the device comprises a base 1, a die foot 2, a lower die 3, an upper die 4, a synchronizing rod 5, a mounting plate 6, a first conical gear 7, a second conical gear 8, a side plate 9, a guide rail 10, a connecting block 11, a ball nut 12, a screw 13, a supporting plate 14, a positioning block 15, a sliding block 16, a guide pillar 17, a spring 18, a through hole 19 and a positioning groove 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a precision computer electric connector mold comprises a base 1, an upper mold 4 and symmetrically arranged mounting plates 6, wherein the top of the base 1 is connected with mold legs 2 through screws, the top of the mold legs 2 is fixed with a lower mold 3 through bolts, the top of the lower mold 3 is assembled with symmetrically arranged guide posts 17 through countersunk bolts, and the upper mold 4 is slidably arranged outside the guide posts 17; a synchronizing rod 5 is rotatably arranged between the two mounting plates 6, first conical gears 7 are respectively arranged at two ends of the synchronizing rod 5, a lead screw 13 is rotatably arranged between the base 1 and the mounting plates 6, a connecting block 11 is slidably arranged outside the lead screw 13, the connecting block 11 is fixedly connected with two sides of the upper die 4 through screws, a second conical gear 8 is arranged at the top end of the lead screw 13, and the first conical gear 7 is meshed with the second conical gear 8; the two sides of the lower die 3 are fixed with a side plate 9 and a limiting plate sequentially through hexagon screws, one side of the side plate 9 is provided with a sliding block 16 in a sliding manner, one side of the sliding block 16 is fixed with a support plate 14 through a countersunk bolt, the bottom of the support plate 14 is welded with a positioning block 15, the positioning block 15 is in a taper shape, the limiting plate is internally provided with a through hole 19 and a positioning groove 20 which are communicated in sequence, the positioning groove 20 is matched with the positioning block 15, the positioning groove 20 and the like are arranged, the positioning block 15 and the positioning groove 20 which are matched are utilized for positioning when the die is closed, so that the die closing precision of the die is improved, the die closing is divided into two stages through the arrangement of a spring 18, in the process of the secondary die closing stage, as the two sides of the upper die 4 press the support plate 14 to move downwards, stress accumulation in the mold is reduced, so that the effect of prolonging the service life of the mold is realized, and through the arrangement of the structures such as the first conical gear 7, the second conical gear 8, the screw 13 and the ball nut 12, when the upper mold 4 moves downwards for mold closing, the upper mold 4 can drive the ball nut 12 to move simultaneously, the screw 13 is rotated according to the screw principle, and the end parts of the two screws 13 are driven by the conical gears, so that the two sides of the upper mold can be synchronously moved during mold closing, the mold closing stability of the upper mold 4 is enhanced, the upper mold 4 is prevented from being deviated or inclined, and the molding quality of a product is improved;

wherein, the top of the base 1 is provided with symmetrically arranged first bearings, the insides of the two mounting plates 6 are provided with a second bearing and a third bearing, the screw 13 is sleeved inside the first bearing and the second bearing, the synchronizing rod 5 is sleeved inside the third bearing, the inside of the upper die 4 is provided with a guide hole, the inside of the guide hole is provided with a guide sleeve, a guide pillar 17 is assembled inside the guide sleeve, the outside of the screw 13 is sleeved with a spring 18, two ends of the spring 18 are fixedly connected with the bottom of the positioning block 15 and the top of the base 1 through buckles respectively, the inside of the positioning block 15 is provided with a through hole, the screw 13 passes through the through hole, the through hole 19 and the inside of the positioning groove 20, one side of the side plate 9 is fixed with a guide rail 10 through a rivet, the slide block 16 is slidably connected with the guide rail 10, two ends of the guide rail 10 are provided with limit blocks, the inside of, the ball nut 12 is fitted on the outside of the screw shaft 13.

In the embodiment, an upper die 4 of the die is fixedly installed with a movable template of an injection molding machine, a base 1 is fixedly installed with a fixed template of the injection molding machine, two installation plates 6 are both fixedly installed on a component of the injection molding machine, and the movable template is pushed to move by a driving device of the injection molding machine, so that the die opening and die closing actions are realized;

the working principle is as follows: the mold opening state is shown in fig. 1, and the primary mold closing stage: when the mold is closed, the upper mold 4 moves downwards, the upper mold 4 slides downwards along the guide post 17, the connecting blocks 11 on two sides move downwards under the driving of the mold closing force to drive the ball nut 12 to move, according to the lead screw principle, the ball nut 12 does not rotate, the lead screw 13 rotates under the reverse acting force, the lead screw 13 drives the first conical gear 7 at the end part to rotate when rotating, the first conical gear 7 enables the synchronizing rod 5 to rotate through the second conical gear 8, the upper mold 4 is kept horizontal by the synchronizing rod 5 when moving stably, and after moving for a section of stroke, the ball nut 12 is contacted with the upper surface of the supporting plate 14; and (3) secondary die assembly stage: under the thrust action of the ball nut 12, the support plate 14 and the positioning block 15 slide downwards at the same time, the spring 18 is stressed and compressed to reduce the impact force of the upper die 4, when the die is completely closed, the slide block 16 moves to the position of the limiting block of the guide rail 10, the upper die 4 and the lower die 3 are closed, the positioning block 15 is embedded into the positioning groove 20 at the same time, the die position is positioned, and the die closing step is completed;

further, after a product is molded in a cavity inside the mold, the upper mold 4 moves upwards to open the mold, the upper mold 4 keeps horizontal under the transmission of the synchronizing rod 5 during mold opening, the acting force of the ball nut 12 on the support plate 14 gradually disappears, the support plate 14 slides upwards under the pushing of the spring 18 to reset, after mold opening is completed, an ejector pin inside the mold pushes the product out of the mold, and the production step of the connector is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A precision computer electrical connector mold, comprising a base (1), an upper mold (4) and a symmetrically arranged mounting plate (6), characterized in that the top of the base (1) is connected with a mold by screws. Feet (2), the top of the die foot (2) is fixed with a lower die (3) by bolts, and the top of the lower die (3) is assembled with symmetrically arranged guide posts (17) by countersunk bolts, and the upper die (4) slidably arranged outside the guide post (17);

A synchronizing rod (5) is rotatably installed between the two mounting plates (6), and both ends of the synchronizing rod (5) are provided with a first bevel gear (7), the base (1) and the mounting plate ( 6) A lead screw (13) is rotatably installed therebetween, and a connecting block (11) is slidably provided on the outside of the lead screw (13), and the connecting block (11) is fixed to both sides of the upper die (4) by screws connected, and the top end of the lead screw (13) is provided with a second bevel gear (8), and the first bevel gear (7) is meshed with the second bevel gear (8);

A side plate (9) and a limit plate are sequentially fixed on both sides of the lower die (3) by hexagonal screws, and a slider (16) is slidably provided on one side of the side plate (9). One side of 16) is fixed with a support plate (14) through countersunk bolts, and a positioning block (15) is welded to the bottom of the support plate (14), the positioning block (15) is tapered, and the inner part of the limit plate Connected through holes (19) and positioning grooves (20) are opened in sequence, and the positioning grooves (20) are matched with the positioning blocks (15).

2. A precision computer electrical connector mold according to claim 1, wherein the top of the base (1) is provided with a symmetrically arranged first bearing, and the interiors of the two mounting plates (6) are A second bearing and a third bearing are installed, the lead screw (13) is sleeved inside the first bearing and the second bearing, and the synchronizing rod (5) is sleeved inside the third bearing.

3. A precision computer electrical connector mold according to claim 1, characterized in that, a guide hole is provided inside the upper mold (4), a guide sleeve is assembled inside the guide hole, and the guide post (17) Fitted inside the guide sleeve.

4. A precision computer electrical connector mold according to claim 1, characterized in that, a spring (18) is sleeved on the outside of the lead screw (13), and both ends of the spring (18) pass through the clamps respectively. The buckle is fixedly connected with the bottom of the positioning block (15) and the top of the base (1).

5. A precision computer electrical connector mold according to claim 1, wherein the positioning block (15) is provided with a through hole inside, and the lead screw (13) passes through the through hole, through The inside of the hole (19) and the positioning groove (20).

6. A precision computer electrical connector mold according to claim 1, characterized in that a guide rail (10) is fixed on one side of the side plate (9) by rivets, and the slider (16) is connected with the guide rail (10). The guide rails (10) are slidably connected, and both ends of the guide rails (10) are provided with limit blocks.

7. A precision computer electrical connector mold according to claim 1, characterized in that, the connecting block (11) is provided with a mounting hole inside, and the inside of the mounting hole is fixed with a ball nut ( 12), the ball nut (12) is assembled on the outside of the lead screw (13).