CN214645593U

CN214645593U - Shell double-color forming composite core-pulling mechanism three-plate die

Info

Publication number: CN214645593U
Application number: CN202120660991.1U
Authority: CN
Inventors: 杨云飞; 马少波
Original assignee: Dongguan Maituopu Plastic Mould Technology Co ltd
Current assignee: Dongguan Maituopu Plastic Mould Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-09
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a mould processing technology field just discloses compound mechanism three-plate mold of loosing core of shell double-colored shaping, including well plywood, the mounting groove has been seted up to the front end of well plywood, and the sliding tray has all been seted up to the inside left and right sides of well plywood, and the inside of well plywood is provided with the movable block, and right movable hole is seted up to the upper end of movable block, and the fixed mounting fixed block on the wall of plywood in the inside correspondence of mounting groove. The utility model discloses in, the kicking block separates with the movable block and mould earlier, the rotation of supporting shoe is given by the dog and is blockked this moment, it rotates to make the supporting shoe drive the movable block through the dog, make the movable block rotate the drawing of patterns on the mould, the adhesive force that reduces movable block and product through reducing movable block and the direct area of contact of product rotates the drawing of patterns, avoided because the interaction force between the molecule, there is comparatively strong adhesive force between loose core structure and the product, draw the condition emergence of hindering or drawing the fracture to the product easily when directly drawing the drawing of patterns.

Description

Shell double-color forming composite core-pulling mechanism three-plate die

Technical Field

The utility model relates to a mould processing technology field especially relates to compound mechanism three-plate mold of loosing core of shell double-colored shaping.

Background

Demoulding is a key factor influencing the final injection molding quality of a product, the design of a mould structure is a key for ensuring the final molding quality of the product, and more innovative designs are needed in the structural layout and the design of a demoulding structure; when the core-pulling demoulding is needed for the plastic with the core-pulling structure, the normal demoulding mode is to directly separate the core-pulling device from the product by directly pulling,

the mold comprises a lower mold and a forming mechanism, wherein the lower mold is arranged opposite to an upper mold of the mold, the forming mechanism is arranged on the side edges of the upper mold and the lower mold, the upper mold is provided with an injection port, the upper mold and the lower mold are covered to form a runner and a cavity, the forming mechanism comprises a driving device and a forming device connected with the driving device, the forming device is communicated with the cavity, external threads are arranged on the outer surface of a communicating part of the forming device and the cavity, and the driving device is used for driving the forming device to operate. Compared with the prior art, the utility model discloses an efficiency of mould injection is higher, but at the in-process of separation, because the interact power between the molecule, there is comparatively strong adhesive force between structure of loosing core and the product, easily hinders or tears the product when directly dragging the drawing of patterns. For this reason, we propose a three-plate mold of a shell two-color molding composite core-pulling mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide the compound mechanism three-plate mold of loosing core of shell double-colored shaping.

In order to realize the purpose, the utility model adopts the following technical proposal that the shell bicolor molding composite core-pulling mechanism three-plate die comprises a middle-layer plate, the front end of the middle layer plate is provided with an installation groove, the left side and the right side of the inner part of the middle layer plate are both provided with sliding grooves, a movable block is arranged in the middle layer plate, a right movable hole is formed at the upper end of the movable block, a fixed block is fixedly arranged in the mounting groove corresponding to the wall surface of the middle layer plate, the fixed block is in a hollow circular column shape, internal threads are arranged in the fixed block, the front end of the movable block is provided with a rotating hole, the inside of the fixed block is provided with a rotating device which comprises a threaded column, the front end of the threaded column is fixedly provided with a movable column, the excircle of the movable column is provided with a demoulding device, the demoulding device comprises a movable sleeve, and the front side of the movable sleeve is provided with a movable block.

Preferably, the rotating device further comprises a connecting shaft, the connecting shaft is movably mounted inside the rotating hole, and a plurality of groups of supporting blocks are arranged on the outer circle of the movable column.

Preferably, a plurality of groups of grooves are formed in the outer circle of the moving block, the grooves penetrate through the inside of the moving block, the ejecting block is movably mounted in the grooves, a plurality of groups of stop blocks are fixedly mounted in the moving block, the number of the stop blocks is equal to that of the ejecting block, and an elastic rope is fixedly mounted on one side, close to the ejecting block, of each stop block.

Preferably, the movable block slides back and forth in the two sets of sliding grooves through sliders arranged at the left and right ends of the movable block.

As preferred, the activity hole is from going to the circular port that the back down-dip, and the activity hole runs through the lower extreme of well plywood, and threaded column carries out threaded connection through the screw with the fixed block, and activity post movable mounting is in movable sleeve's inside.

Advantageous effects

The utility model provides a compound mechanism three-plate mold of loosing core of double-colored shaping of shell. The method has the following beneficial effects:

(1) the shell double-color forming composite core pulling mechanism three-plate mold comprises a mold plate block at the upper end of a middle plate, a linkage shaft, a movable block, a connecting shaft, a thread column, a movable block, a stop block and a movable block, wherein the mold plate block drives the linkage shaft to move upwards in the movable hole, the linkage shaft drives the movable block to move backwards through the movable hole, the movable block drives the connecting shaft to move backwards in the rotary hole, the connecting shaft drives the thread column to rotate in the fixed block, the thread column drives the movable column to move backwards, the movable column drives the supporting block to rotate in the movable block and move backwards, the supporting block is separated from the top block when the supporting block rotates in the stop block, the top block is pulled to move in a groove through a rope between the top block and the stop block, the top block is separated from the movable block and the mold at the moment, the rotation of the supporting block is blocked by the stop block, so that the movable block rotates and demolds on the mold, the direct area of contact through reducing movable block and product reduces the adhesive force of movable block and product and rotates the drawing of patterns, has avoided because the interact power between the molecule, has comparatively strong adhesive force between structure of loosing core and the product, draws the condition emergence of hindering or drawing the fracture easily to the product when directly dragging the drawing of patterns.

(2) This compound mechanism three-plate mold of loosing core of double-colored shaping of shell retrains the movable mode of movable block through the sliding tray, makes the motion of device more stable, has strengthened the practicality of device.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a partial schematic view of the fixing block of the present invention;

FIG. 3 is a partial schematic view of the threaded post of the present invention;

fig. 4 is a partial schematic view of the moving block of the present invention.

Illustration of the drawings:

1. a middle layer plate; 2. mounting grooves; 3. a sliding groove; 4. a movable block; 5. a movable hole; 6. a linkage shaft; 7. a fixed block; 8. rotating the hole; 9. a rotating device; 91. a threaded post; 92. a movable post; 93. a support block; 94. a connecting shaft; 10. a demolding device; 101. a movable sleeve; 102. a moving block; 103. a groove; 104. a top block; 105. and a stop block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example (b): a shell double-color forming composite core-pulling mechanism three-plate die is shown in figures 1-4 and comprises a middle-layer plate 1, wherein the middle-layer plate 1 is a rectangular plate with a hollow inner part, the hollow inner area of the middle-layer plate 1 penetrates through the upper end of the middle-layer plate 1 and the rear end of the middle-layer plate 1, the front end of the middle-layer plate 1 is provided with a mounting groove 2, the mounting groove 2 is an arc-shaped groove, the mounting groove 2 penetrates through the front side of the middle-layer plate 1 and extends into the middle-layer plate 1, the left side and the right side of the inner part of the middle-layer plate 1 are both provided with sliding grooves 3, the sliding grooves 3 are rectangular grooves, the two groups of sliding grooves 3 are distributed in a mirror image mode on the left side and the right side of the inner part of the middle-layer plate 1, a movable block 4 is arranged in the middle-layer plate 1, the movable block 4 slides back and forth in the inner parts of the two groups of sliding grooves 3 through sliding blocks arranged at the left end and right end of the movable block 4, the movable block 4 is provided with a right movable hole 5, and the movable hole 5 which is a circular hole which inclines backwards from back, the movable hole 5 penetrates through the lower end of the middle-layer plate 1, the inside of the mounting groove 2 corresponds to the wall surface of the middle-layer plate 1 and is fixedly provided with a fixed block 7, the fixed block 7 is a hollow circular column, the hollow area inside the fixed block 7 penetrates through the front side and the rear side of the fixed block 7, an internal thread is arranged inside the fixed block 7, the front end of the movable block 4 is provided with a rotary hole 8, the rotary hole 8 is a circular hole, the inside of the fixed block 7 is provided with a rotary device 9, the rotary device 9 comprises a threaded column 91, the threaded column 91 is in threaded connection with the fixed block 7 through a thread, the front end of the threaded column 91 is fixedly provided with a movable column 92, the movable column 92 is a circular column, the excircle of the movable column 92 is provided with a demolding device 10, the demolding device 10 comprises a movable sleeve 101, the movable sleeve 101 is a hollow circular column, and the movable column 92 is movably mounted inside the movable sleeve 101, a moving block 102 is arranged on the front side of the movable sleeve 101;

the rotating device 9 further comprises a connecting shaft 94, the connecting shaft 94 is in a circular column shape, the connecting shaft 94 is movably mounted inside the rotating hole 8, a plurality of groups of supporting blocks 93 are arranged on the outer circle of the movable column 92, and the supporting blocks 93 are arc-shaped blocks;

the outer circle of the moving block 102 is provided with a plurality of groups of grooves 103, the grooves 103 are rectangular grooves, the grooves 103 penetrate through the inside of the moving block 102, ejector blocks 104 are movably mounted inside the grooves 103, a plurality of groups of stop blocks 105 are fixedly mounted inside the moving block 102, the number of the stop blocks 105 is the same as that of the ejector blocks 104, and elastic ropes are fixedly mounted on the side, close to each other, of each stop block 105 and the corresponding ejector block 104.

The utility model discloses a theory of operation: in use, a mold plate block at the upper end of the middle-layer plate 1 drives the linkage shaft 6 to move upwards in the movable hole 5, the linkage shaft 6 drives the movable block 4 to move backwards through the movable hole 5, the movable block 4 drives the connecting shaft 94 to move backwards in the rotary hole 8, the connecting shaft 94 drives the threaded column 91 to rotate backwards in the fixed block 7, the threaded column 91 drives the movable column 92 to rotate backwards, the movable column 92 drives the supporting block 93 to rotate backwards in the movable block 102, when the supporting block 93 rotates in the block 105, the supporting block 93 is separated from the top block 104, the top block 104 is pulled to move in the groove 103 through a rope between the top block 104 and the block 105, at the moment, the top block 104 is separated from the movable block 4 and the mold firstly, at the moment, the rotation of the supporting block 93 is blocked by the block 105, so that the supporting block 93 drives the movable block 102 to rotate through the block 105, the moving block 102 is rotated on the mold for demolding, the adhesive force between the moving block 102 and the product is reduced by reducing the direct contact area between the moving block 102 and the product, so that the rotating demolding is performed, and the phenomenon that the product is easily scratched or cracked due to the fact that the strong adhesive force exists between the core-pulling structure and the product due to the interaction force between molecules is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Double-colored shaping composite core pulling mechanism three-plate mold of shell, including well plywood (1), mounting groove (2) have been seted up to the front end of well plywood (1), sliding tray (3) have all been seted up to the inside left and right sides of well plywood (1), the inside of well plywood (1) is provided with movable block (4), right movable hole (5), its characterized in that are seted up to the upper end of movable block (4): the inner side of the mounting groove (2) corresponds to the wall surface of the middle layer plate (1) and is fixedly provided with a fixing block (7), the fixing block (7) is a hollow circular column, an internal thread is arranged inside the fixing block (7), a rotating hole (8) is formed in the front end of the movable block (4), a rotating device (9) is arranged inside the fixing block (7), the rotating device (9) comprises a threaded column (91), a movable column (92) is fixedly arranged at the front end of the threaded column (91), a demolding device (10) is arranged at the outer circle of the movable column (92), the demolding device (10) comprises a movable sleeve (101), and a movable block (102) is arranged on the front side of the movable sleeve (101).

2. The shell bicolor molding composite core-pulling mechanism three-plate mold according to claim 1, characterized in that: the rotating device (9) further comprises a connecting shaft (94), the connecting shaft (94) is movably mounted inside the rotating hole (8), and a plurality of groups of supporting blocks (93) are arranged on the outer circle of the movable column (92).

3. The shell bicolor molding composite core-pulling mechanism three-plate mold according to claim 1, characterized in that: the outer circle of the moving block (102) is provided with a plurality of groups of grooves (103), the grooves (103) penetrate through the inside of the moving block (102), ejector blocks (104) are movably mounted in the grooves (103), a plurality of groups of stop blocks (105) are fixedly mounted in the moving block (102), the number of the stop blocks (105) is the same as that of the ejector blocks (104), and elastic ropes are fixedly mounted on one side, close to each other, of each stop block (105) and each ejector block (104).

4. The shell bicolor molding composite core-pulling mechanism three-plate mold according to claim 1, characterized in that: the movable block (4) slides back and forth in the two groups of sliding grooves (3) through sliding blocks arranged at the left end and the right end of the movable block (4).

5. The shell bicolor molding composite core-pulling mechanism three-plate mold according to claim 1, characterized in that: the movable holes (5) are circular holes which are inclined downwards from front to back, and the movable holes (5) penetrate through the lower end of the middle layer plate (1).

6. The shell bicolor molding composite core-pulling mechanism three-plate mold according to claim 1, characterized in that: the threaded column (91) is in threaded connection with the fixed block (7) through threads, and the movable column (92) is movably arranged inside the movable sleeve (101).