CN212888721U

CN212888721U - Die carrier is used in cell-phone production that positioning accuracy is high

Info

Publication number: CN212888721U
Application number: CN202021719368.0U
Authority: CN
Inventors: 穆进进
Original assignee: Kunshan Mengji Die Rack Co ltd
Current assignee: Kunshan Mengji Die Rack Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-06
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a die carrier is used in cell-phone production that positioning accuracy is high, comprising a base plate, there is the die holder bottom plate top through a plurality of bolt fixed mounting, the bottom plate top is provided with the roof, there is the upper die base top plate bottom through a plurality of bolt fixed mounting, the bottom plate top is provided with a plurality of symmetric distribution's guide bar, the roof surface is seted up with the corresponding guiding hole of guide bar, the utility model has the advantages of reasonable design, the cooperation degree of accuracy of upper and lower die base is high, can pinpoint, has improved product quality.

Description

Die carrier is used in cell-phone production that positioning accuracy is high

Technical Field

The utility model relates to a cell-phone production technical field specifically is a die carrier is used in cell-phone production that positioning accuracy is high.

Background

The die carrier is the support of the die, for example, all parts of the die are combined and fixed according to a certain rule and position on a die-casting machine, and the part which enables the die to be installed on the die-casting machine to work is called the die carrier and consists of an ejecting mechanism, a guide mechanism, a die pin cushion block of a pre-resetting mechanism and a seat plate. In the processing process of mobile phone parts, parts such as a rear cover and a shell need to be produced by using an injection mold, and related mold frames are very common components. But the current die carrier for mobile phone production mostly has the problems of insufficient positioning accuracy and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die carrier is used in cell-phone production that the positioning accuracy is high to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a die carrier is used in cell-phone production that positioning accuracy is high, includes the bottom plate, there is the die holder bottom plate top through a plurality of bolt fixed mounting, the bottom plate top is provided with the roof, there is the upper die base roof top through a plurality of bolt fixed mounting, the bottom plate top is provided with the guide bar of a plurality of symmetric distributions, the guide hole corresponding with the guide bar has been seted up on the roof surface.

Preferably, the top end of the lower die base is provided with a plurality of positioning columns which are symmetrically distributed, and the bottom end face of the upper die base is provided with positioning holes corresponding to the positioning columns.

Preferably, the bottom end of the positioning hole is provided with a horn mouth, and the aperture of the horn mouth is gradually increased from top to bottom.

Preferably, a plurality of balls which are uniformly distributed around the central axis of the bell mouth are arranged on the inner side wall of the bell mouth in a rolling mode.

Preferably, a first chute is formed in the positioning column, a screw rod is rotatably mounted in the first chute, a sliding block is sleeved on the periphery of the screw rod and slidably mounted in the first chute, a second chute is formed in the surface of the side wall of the positioning column, a clamping block is slidably mounted in the second chute, the clamping block and the sliding block are arranged on the inclined surface, a first convex block is arranged at the top end of the clamping block, a second convex block is arranged at the top end of the second chute, a reset spring is connected between the first convex block and the second convex block, and a clamping groove corresponding to the clamping block is formed in the surface of the inner side wall of the positioning hole.

Preferably, the fixed cover in screw rod periphery is equipped with driven bevel gear, rotate on the die holder and install the dwang, install the motor on the lateral wall of die holder, the output at the motor is connected to the dwang, the one end that the motor was kept away from to the dwang is installed drive bevel gear, drive bevel gear is connected with driven bevel gear meshing.

Compared with the prior art, the beneficial effects of the utility model are that: the positioning of the die is more accurate in the separation and combination process through the matching of the guide rod and the guide hole; the positioning columns and the positioning holes have a guiding function on the matching of the upper die base and the lower die base, so that the positioning accuracy is improved; in the process that the positioning column gradually enters the positioning hole, the horn mouth is more convenient for the positioning column to accurately enter the positioning hole, and accidental collision is avoided; the ball can guide the positioning column to move, and when the upper die base and the lower die base slightly deviate, the positioning column can be guided to enter the positioning hole through the shapes of the ball and the horn mouth, so that errors are overcome, and the accuracy is improved; after the positioning column enters the positioning hole, the screw rod is driven to rotate through the motor, the sliding block is driven to ascend, the clamping block is extruded to move outwards, the clamping block is clamped into the clamping groove, the mold is locked, when the mold is required to be opened, the motor rotates reversely, the sliding block descends, the clamping block withdraws from the clamping groove under the action of the reset spring, and the mold can be opened. The utility model has the advantages of reasonable design, the cooperation degree of accuracy of upper and lower die holder is high, can pinpoint, has improved product quality.

Drawings

Fig. 1 is a schematic structural diagram of a mold frame for mobile phone production with high positioning accuracy;

FIG. 2 is a schematic structural diagram of a positioning hole in a mold base for mobile phone production with high positioning accuracy;

fig. 3 is a schematic structural diagram of a positioning column in a mold base for mobile phone production with high positioning accuracy.

In the figure: 1-bottom plate, 2-lower die holder, 3-top plate, 4-upper die holder, 5-guide rod, 6-positioning column, 7-positioning hole, 8-bell mouth, 9-ball, 10-first sliding groove, 11-screw rod, 12-sliding block, 13-second sliding groove, 14-clamping block, 15-first lug, 16-second lug, 17-rotating rod, 18-motor, 19-driving bevel gear, 20-driven bevel gear and 21-clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a die carrier is used in cell-phone production that positioning accuracy is high, includes bottom plate 1, there is die holder 2 on 1 top of bottom plate through a plurality of bolt fixed mounting, 1 top of bottom plate is provided with roof 3, there is upper die base 4 in 3 bottoms of roof through a plurality of bolt fixed mounting, 1 top of bottom plate is provided with guide bar 5 of a plurality of symmetric distributions, 3 surfaces of roof have been seted up with the guide hole that 5 corresponding guide bars, and roof 3 is installed on lifting devices such as external cylinders, through the cooperation of guide bar 5 and guide hole for the mould is fixed a position more accurately at deciliter in-process.

The top end of the lower die holder 2 is provided with a plurality of positioning columns 6 which are symmetrically distributed, the bottom end face of the upper die holder 4 is provided with positioning holes 7 corresponding to the positioning columns 6, the positioning columns 6 and the positioning holes 7 play a role in guiding the matching of the upper die holder and the lower die holder, and the positioning accuracy is improved.

Horn mouth 8 has been seted up to the bottom of locating hole 7, down crescent from the last in aperture of horn mouth 8, at the in-process that reference column 6 got into locating hole 7 gradually, horn mouth 8 was convenient for more that reference column 6 accuracy got into locating hole 7, avoids taking place unexpected colliding with.

Roll on the inside wall of horn mouth 8 and install a plurality of balls 9 that encircle its central axis evenly distributed, ball 9 can guide reference column 6 to remove, and when the skew of taking place for a short time in last die holder, through

ball

9 and 8 shapes of horn mouth, can guide reference column 6 to get into locating hole 7, overcome the error, improve the accuracy nature.

The positioning column 6 is internally provided with a first chute 10, a screw 11 is rotatably mounted in the first chute 10, a slider 12 is sleeved on the periphery of the screw 11, the slider 12 is slidably mounted in the first chute 10, a second chute 13 is formed in the surface of the side wall of the positioning column 6, a fixture block 14 is slidably mounted in the second chute 13, the surfaces of one ends, contacting with each other, of the fixture block 14 and the slider 12 are all inclined planes, the top end of the fixture block 14 is provided with a first convex block 15, the top end inside the second chute 13 is provided with a second convex block 16, a return spring is connected between the first convex block 15 and the second convex block 16, and a clamping groove 21 corresponding to the fixture block 14 is formed in the surface of the inner side wall of the positioning.

The fixed cover in screw rod 11 periphery is equipped with driven bevel gear 20, it installs dwang 17 to rotate on the die holder 2, install motor 18 on the lateral wall of die holder 2, the output at motor 18 is connected to dwang 17, the one end that motor 18 was kept away from to dwang 17 is installed drive bevel gear 19, drive bevel gear 19 is connected with driven bevel gear 20 meshing, and after reference column 6 got into locating hole 7, it is rotatory through motor 18 drive screw 11, and drive slider 12 rose, extrudes fixture block 14 and outwards removes, makes fixture block 14 card go into in draw-in groove 21, plays the locking action to the mould, and when needing the die sinking, motor 18 counter rotation, slider 12 descends, and fixture block 14 withdraws from draw-in groove 21 under the reset spring effect, can carry out the die sinking.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a die carrier is used in cell-phone production that positioning accuracy is high, includes bottom plate (1), its characterized in that: the die holder is characterized in that a lower die holder (2) is fixedly mounted on the top of the bottom plate (1) through a plurality of bolts, a top plate (3) is arranged above the bottom plate (1), an upper die holder (4) is fixedly mounted at the bottom end of the top plate (3) through a plurality of bolts, a plurality of guide rods (5) which are symmetrically distributed are arranged on the top end of the bottom plate (1), and guide holes corresponding to the guide rods (5) are formed in the surface of the top plate (3).

2. The die carrier for mobile phone production with high positioning accuracy as claimed in claim 1, is characterized in that: the top end of the lower die base (2) is provided with a plurality of positioning columns (6) which are symmetrically distributed, and the bottom end face of the upper die base (4) is provided with positioning holes (7) corresponding to the positioning columns (6).

3. The die carrier for mobile phone production with high positioning accuracy as recited in claim 2, wherein: horn mouth (8) have been seted up to the bottom of locating hole (7), the aperture of horn mouth (8) is from last down crescent.

4. The die carrier for mobile phone production with high positioning accuracy as claimed in claim 3, is characterized in that: and a plurality of balls (9) which are uniformly distributed around the central axis of the inner side wall of the bell mouth (8) are arranged on the inner side wall in a rolling way.

5. The die carrier for mobile phone production with high positioning accuracy as recited in claim 2, wherein: a first chute (10) is arranged inside the positioning column (6), a screw rod (11) is rotatably arranged in the first chute (10), the periphery of the screw rod (11) is sleeved with a sliding block (12), the sliding block (12) is installed in the first sliding chute (10) in a sliding manner, a second sliding groove (13) is formed in the surface of the side wall of the positioning column (6), a clamping block (14) is installed in the second sliding groove (13) in a sliding mode, the surfaces of one ends of the clamping blocks (14) and the sliding blocks (12) which are contacted with each other are all provided with inclined surfaces, a first convex block (15) is arranged at the top end of the clamping block (14), a second convex block (16) is arranged at the top end in the second sliding groove (13), a return spring is connected between the first lug (15) and the second lug (16), and the surface of the inner side wall of the positioning hole (7) is provided with a clamping groove (21) corresponding to the clamping block (14).

6. The die carrier for mobile phone production with high positioning accuracy as recited in claim 5, wherein: the fixed cover in screw rod (11) periphery is equipped with driven bevel gear (20), it installs dwang (17) to rotate on die holder (2), install motor (18) on the lateral wall of die holder (2), the output at motor (18) is connected in dwang (17), the one end that motor (18) were kept away from in dwang (17) is installed drive bevel gear (19), drive bevel gear (19) are connected with driven bevel gear (20) meshing.