CN211031098U

CN211031098U - Rapid bakelite injection mold structure

Info

Publication number: CN211031098U
Application number: CN201921854234.7U
Authority: CN
Inventors: 曾东; 王志成
Original assignee: Longnan Dongjun Electronic Product Co ltd
Current assignee: Longnan Dongjun Electronic Product Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-17
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a quick bakelite injection mold structure relates to injection mold technical field, including bottom plate, fixed mould and movable mould, fixed mould fixed connection is close to the upper surface at its middle part at the bottom plate, the bottom plate is close to the equal fixedly connected with backup pad of upper surface at its both ends, two the common fixed mounting in upper end of backup pad has actuating mechanism, two the equal fixedly connected with link gear of lower extreme and the locking mechanical system of backup pad. The utility model discloses, through the cooperation between the above-mentioned isotructure, possessed and to have effectively fixed effect behind movable mould and the fixed mould compound die, solved at the bakelite injection mold function in-process, utilized hydraulic pressure mechanism to be in the same place the tight top of movable mould and cover half, nevertheless hydraulic pressure mechanism after using a period, because of pressure is not enough easily, and take place the phenomenon that movable mould and cover half separated, and then influenced the problem of the effect of moulding plastics.

Description

Rapid bakelite injection mold structure

Technical Field

The utility model relates to an injection mold technical field specifically is a quick bakelite injection mold structure.

Background

An injection molding apparatus is a main molding apparatus for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes using a plastic molding die.

In the operation process of the bakelite injection mold, the movable mold and the fixed mold are tightly jacked together by using the hydraulic mechanism, but after the hydraulic mechanism is used for a period of time, the phenomenon that the movable mold is separated from the fixed mold due to insufficient pressure easily occurs, and the injection molding effect is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick bakelite injection mold structure, possessed and effectively to the fixed effect in activity mould and the fixed mould compound die after, solved at bakelite injection mold function in-process, utilized hydraulic pressure mechanism tightly to push up movable mould and cover half together, nevertheless hydraulic pressure mechanism after using a period, because of pressure is not enough easily, and takes place the phenomenon that movable mould and cover half separated, and then influenced the problem of the effect of moulding plastics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick bakelite injection mold structure, includes bottom plate, fixed mould and movable mould, fixed mould fixed connection is close to the upper surface at its middle part at the bottom plate, the bottom plate is close to the equal fixedly connected with backup pad of upper surface at its both ends, two the common fixed mounting in upper end of backup pad has actuating mechanism, two the equal fixedly connected with link gear of lower extreme and locking mechanical system of backup pad, the dorsal part fixedly connected with cover block of movable mould, the spacing post of last fixed surface of bottom plate is connected with, the cover block cup joints the post arm at spacing post.

Link gear includes two linking arms and spliced pole, two the one end that fixed mould was kept away from to the linking arm all with the backup pad is articulated, two the one end that the linking arm is close to fixed mould articulates jointly has linkage board, two the linkage board is by the relative or back-to-back motion of actuating mechanism drive, spliced pole fixed connection be in the upper surface of fixed mould, the linkage board is close to one side fixedly connected with connecting block of fixed mould, the spout that link up each other is seted up to the upper and lower surface of connecting block, the connecting block cup joints through the spout on the column arm of spliced pole, the column arm fixedly connected with fixed plate that the spliced pole is close to its top, the lower surface of fixed plate with the upper surface looks butt of connecting block.

Preferably, the linkage mechanism further comprises a compression spring and a movable plate, the movable plate is sleeved on the column arm of the connecting column, the upper surface of the movable plate is abutted to the lower surface of the connecting block, the compression spring is sleeved on the column arm of the connecting column, and the end parts at two ends of the compression spring are fixedly connected with the movable plate and the fixed mold respectively.

Preferably, actuating mechanism includes motor and pivot, motor fixed mounting is arbitrary one the upper end of backup pad, the both ends of pivot are all connected two through bearing cooperation spacing rotation respectively the upper end of backup pad, the pivot is close to the one end of motor with the output shaft fixed connection of motor, the pivot is close to the armshaft of its both sides and has all seted up the external screw thread, the pivot has two internal thread sleeve blocks through two external screw thread threaded connection, two the internal thread block cup joints two respectively the upper end of gangboard.

Preferably, the locking mechanism comprises a fixed column and a sleeve, the fixed column is fixedly connected to one side, close to the fixed mold, of the support plate, the sleeve is fixedly connected to the side face of the fixed mold, a pressing block is sleeved on a column arm of the fixed column, one side, close to the fixed mold, of the pressing block is fixedly connected with an inserting column matched with the sleeve barrel mouth in size, one side, far away from the fixed mold, of the pressing block is abutted to one side, close to the fixed mold, of the linkage plate, the column arms of the two fixed columns are both sleeved with extension springs, and end portions of two ends of each extension spring are fixedly connected with the pressing block and the support plate respectively.

Preferably, the two external threads are symmetrically distributed in a left-right axis mode by taking the fixed die as a symmetric center, and the thread directions of the two external threads are opposite.

Preferably, the two connecting arms have the same length, and are arranged in parallel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a nest block, spacing post, linking arm, spliced pole, linkage board, connecting block, spout, fixed plate, compression spring, fly leaf, motor, pivot, external screw thread and the internal thread nest block that sets up, through the function of motor, realized the compound die between fixed mould and the sliding die to stability after the compound die is better.

Two, the utility model discloses a fixed column, sleeve, the support piece that sets up, insert post and extension spring insert the post through two and peg graft respectively and advance two sleeves in to restricted movable mould's position, and then further made the stability behind movable mould and the fixed mould compound die better.

Drawings

FIG. 1 is a front view of the sleeve of the present invention in cross section;

FIG. 2 is a left side view of the partial structure of the present invention;

FIG. 3 is a top view of a partial structure of the present invention;

fig. 4 is a right side view of the local structure of the present invention.

In the figure: the device comprises a base plate 1, a fixed die 2, a movable die 3, a support plate 4, a driving mechanism 5, a linkage mechanism 6, a locking mechanism 7, a sleeve block 8, a limiting column 9, a connecting arm 10, a connecting column 11, a linkage plate 12, a connecting block 13, a sliding chute 14, a fixed plate 15, a compression spring 16, a movable plate 17, a motor 18, a rotating shaft 19, an external thread 20, an internal thread sleeve block 21, a fixed column 22, a sleeve 23, a pressing block 24, an inserting column 25 and a tension spring 26.

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 4, the present invention provides a technical solution: the utility model provides a quick bakelite injection mold structure, comprising a base plate 1, fixed mold 2 and movable mold 3, the upper surface at its middle part is close to at bottom plate 1 to fixed mold 2 fixed connection, bottom plate 1 is close to the equal fixedly connected with backup pad 4 of upper surface at its both ends, the common fixed mounting in upper end of two backup pads 4 has actuating mechanism 5, the equal fixedly connected with link gear 6 of lower extreme and locking mechanical system 7 of two backup pads 4, the dorsal part fixedly connected with cover block 8 of movable mold 3, the last fixed surface of bottom plate 1 is connected with spacing post 9, the column arm at spacing post 9 is cup jointed to cover block 8.

The link gear 6 includes two linking arms 10 and spliced pole 11, the one end that fixed mould 2 was kept away from to two linking arms 10 all is articulated with backup pad 4, the length of two linking arms 10 is unanimous, and two linking arms 10 are mutual parallel arrangement, two linking arms 10 are close to that the one end of fixed mould 2 articulates jointly has linkage plate 12, two linkage plates 12 are driven relative or back-to-back movement by actuating mechanism 5, spliced pole 11 fixed connection is at the upper surface of fixed mould 2, one side fixedly connected with connecting block 13 that linkage plate 12 is close to fixed mould 2, spout 14 that link up each other is seted up to the upper and lower surface of connecting block 13, connecting block 13 cup joints on the column arm of spliced pole 11 through spout 14, column arm fixedly connected with fixed plate 15 that spliced pole 11 is close to its top, the lower surface of fixed plate 15 and the upper surface looks butt of connecting block 13, carry out the process of translation and through between spliced pole 11 and the movable mould 3 is enabled to move downwards in a translation mode until the movable mould and the fixed mould 2 form a matched mould through sliding fit and a sleeving relation between the sleeve block 8 and the limiting column 9.

Preferably, the linkage mechanism 6 further comprises a compression spring 16 and a movable plate 17, the movable plate 17 is sleeved on the column arm of the connecting column 11, the upper surface of the movable plate 17 abuts against the lower surface of the connecting block 13, the compression spring 16 is sleeved on the column arm of the connecting column 11, the end parts of the two ends of the compression spring 16 are respectively fixedly connected with the movable plate 17 and the fixed mold 2, after the movable mold 3 and the fixed mold 2 are closed, the two linkage plates 12 continue to move synchronously along the circumferential track, so that the connecting block 13 downwardly abuts against the movable plate 17 and compresses the compression spring 16, and the elastic restoring force of the compression spring 16 is utilized, so that the movable mold 3 is more tightly connected with the fixed mold 2.

Preferably, the driving mechanism 5 comprises a motor 18 and a rotating shaft 19, the motor 18 is fixedly installed at the upper end of any supporting plate 4, two ends of the rotating shaft 19 are respectively connected to the upper ends of the two supporting plates 4 in a limiting manner through bearing matching, one end of the rotating shaft 19 close to the motor 18 is fixedly connected with an output shaft of the motor 18, external threads 20 are respectively arranged on a shaft arm of the rotating shaft 19 close to two sides of the rotating shaft 19, the two external threads 20 are symmetrically distributed in a left-right axial manner by taking the fixed mold 2 as a symmetric center, the thread directions of the two external threads 20 are oppositely arranged, the rotating shaft 19 is in threaded connection with two internal thread sleeve blocks 21 through the two external threads 20, the two internal thread blocks 21 are respectively sleeved at the upper ends of the two linkage plates 12, the rotating shaft 19 rotates through the operation of the output shaft of the motor 18, and the rotating process of, the two internal thread blocks 21 move towards opposite directions, and the two linkage plates 12 synchronously move horizontally along a circumferential track through the sleeve connection between the internal thread blocks 21 and the linkage plates 12 and the linkage of the connecting arm 10 in the process that the two internal thread blocks 21 move towards opposite directions.

Preferably, the locking mechanism 7 includes a fixed column 22 and a sleeve 23, the fixed column 22 is fixedly connected to one side of the supporting plate 4 close to the fixed mold 2, the sleeve 23 is fixedly connected to a side surface of the fixed mold 2, a pressing block 24 is sleeved on a column arm of the fixed column 22, one side of the pressing block 24 close to the fixed mold 2 is fixedly connected with an inserting column 25 matched with the size of a barrel opening of the sleeve 23, one side of the pressing block 24 far away from the fixed mold 2 is abutted to one side of the linkage plate 12 close to the fixed mold 2, the column arms of the two fixed columns 22 are both sleeved with extension springs 26, end portions of two ends of the extension springs 26 are respectively fixedly connected with the pressing block 24 and the supporting plate 4, after the movable mold 3 and the fixed mold 2 are closed, the inserting column 25 at the moment is aligned to the barrel opening of the sleeve 23, so that the two linkage plates 12 continue to perform a translation process synchronously along a circumferential track, so that the two linkage plates 12 respectively, the two pressing blocks 24 move towards the fixed die 2 and stretch the extension spring 26, and in the process that the two pressing blocks 24 move towards the fixed die 2, the two inserting columns 25 are respectively inserted into the two sleeves 23, so that the position of the movable die 3 is limited, and the stability of the movable die 3 and the fixed die 2 after die assembly is further better.

The working principle is as follows: when the structure of the rapid bakelite injection mold is closed, as shown in a state of figure 1, a rotating shaft 19 is rotated by the operation of an output shaft of a motor 18, two internal thread sleeve blocks 21 are moved towards opposite directions by the rotation process of the rotating shaft 19 and a thread transmission process between the internal thread sleeve blocks 21 and external threads 20, the two linkage plates 12 are synchronously translated along a circumferential track by the movement process of the two internal thread sleeve blocks 21 towards opposite directions and the linkage of a connecting arm 10 through the sleeving relation between the internal thread sleeve blocks 21 and the linkage plates 12, the two linkage plates 12 are synchronously translated along the circumferential track, the movable mold 3 is downwards translated through the sliding fit between a connecting post 11 and the groove wall of a sliding groove 14 and the sleeving relation between a sleeve block 8 and a limiting post 9 until the closing of the movable mold 3 and a fixed mold 2 is formed, and after the movable mold 3 and the fixed mold 2 are closed, the inserting columns 25 are aligned with the openings of the sleeves 23, so that the two linkage plates 12 continue to perform a translation process synchronously along a circumferential track, the connecting block 13 downwards abuts against the movable plate 17 and compresses the compression spring 16, the connection between the movable mold 3 and the fixed mold 2 is tighter by using the elastic restoring force of the compression spring 16, and meanwhile, the two pressing blocks 24 are respectively abutted against the two linkage plates 12 towards the fixed mold 2, so that the two pressing blocks 24 move towards the fixed mold 2 and stretch the extension spring 26, the two inserting columns 25 are respectively inserted into the two sleeves 23 by using the process that the two pressing blocks 24 move towards the fixed mold 2, so that the position of the movable mold 3 is limited, the stability of the movable mold 3 and the fixed mold 2 after the mold assembly is further better, when the mold is opened, only by using the reverse operation of the output shaft of the motor 18 and the elastic restoring force of the compression spring 16 and the extension spring 26, the mechanisms are reversed and returned to the state shown in fig. 1.

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

Claims

1. The utility model provides a quick bakelite injection mold structure, includes bottom plate (1), fixed mould (2) and movable mould (3), fixed mould (2) fixed connection is close to the upper surface at its middle part in bottom plate (1), its characterized in that: the upper surfaces, close to the two ends, of the bottom plate (1) are fixedly connected with supporting plates (4), the upper ends of the two supporting plates (4) are fixedly provided with driving mechanisms (5) together, the lower ends of the two supporting plates (4) are fixedly connected with linkage mechanisms (6) and locking mechanisms (7), the back side of the movable mold (3) is fixedly connected with a sleeve block (8), the upper surface of the bottom plate (1) is fixedly connected with a limiting column (9), and the sleeve block (8) is sleeved on a column arm of the limiting column (9);

the linkage mechanism (6) comprises two connecting arms (10) and a connecting column (11), one end, far away from the fixed mold (2), of each connecting arm (10) is hinged to the supporting plate (4), one end, close to the fixed mold (2), of each connecting arm (10) is hinged to a linkage plate (12), the linkage plates (12) are driven by a driving mechanism (5) to move oppositely or back to back, the connecting column (11) is fixedly connected to the upper surface of the fixed mold (2), one side, close to the fixed mold (2), of each linkage plate (12) is fixedly connected with a connecting block (13), the upper surface and the lower surface of each connecting block (13) are provided with mutually-communicated sliding grooves (14), the connecting block (13) is sleeved on a column arm of the connecting column (11) through the sliding grooves (14), and the connecting column arm, close to the top of the connecting column (11), is fixedly connected with a fixing plate (15), the lower surface of the fixing plate (15) is abutted against the upper surface of the connecting block (13).

2. The structure of the rapid bakelite injection mold according to claim 1, characterized in that: link gear (6) still include compression spring (16) and fly leaf (17), fly leaf (17) cup joint on the column arm of spliced pole (11), the upper surface of fly leaf (17) with the lower surface looks butt of connecting block (13), compression spring (16) cover is established on the column arm of spliced pole (11), the tip at compression spring (16) both ends respectively with fly leaf (17) with fixed mould (2) fixed connection.

3. The structure of the rapid bakelite injection mold according to claim 1, characterized in that: actuating mechanism (5) are including motor (18) and pivot (19), motor (18) fixed mounting is arbitrary the upper end of backup pad (4), the both ends of pivot (19) are all connected two through bearing cooperation spacing rotation respectively the upper end of backup pad (4), pivot (19) are close to the one end of motor (18) with the output shaft fixed connection of motor (18), external screw thread (20) have all been seted up to the armshaft that pivot (19) are close to its both sides, pivot (19) have two internal thread cover pieces (21), two through two external screw thread (20) threaded connection interior thread piece (21) cup joint two respectively the upper end of linkage plate (12).

4. The structure of the rapid bakelite injection mold according to claim 1, characterized in that: the locking mechanism (7) comprises a fixed column (22) and a sleeve (23), the fixed column (22) is fixedly connected to one side of the supporting plate (4) close to the fixed die (2), the sleeve (23) is fixedly connected with the side surface of the fixed die (2), a pressing block (24) is sleeved on a column arm of the fixed column (22), one side of the pressing block (24) close to the fixed die (2) is fixedly connected with an inserting column (25) matched with the size of the opening of the sleeve (23), one side of the pressing block (24) far away from the fixed die (2) is abutted against one side of the linkage plate (12) close to the fixed die (2), the column arms of the two fixed columns (22) are sleeved with extension springs (26), the end parts of the two ends of the extension spring (26) are respectively and fixedly connected with the pressing block (24) and the supporting plate (4).

5. The structure of the rapid bakelite injection mold according to claim 3, characterized in that: the two external threads (20) are symmetrically distributed in a left-right axis mode by taking the fixed die (2) as a symmetric center, and the thread directions of the two external threads (20) are opposite.

6. The structure of the rapid bakelite injection mold according to claim 1, characterized in that: the two connecting arms (10) are consistent in length, and the two connecting arms (10) are arranged in parallel.