CN211542151U

CN211542151U - Injection mold convenient to change centre form

Info

Publication number: CN211542151U
Application number: CN201921927246.8U
Authority: CN
Inventors: 凤禧
Original assignee: Dongguan Shenli Mould Co Ltd
Current assignee: Dongguan Shenli Mould Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-22
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses an injection mold convenient to change centre form, comprises a workbench, the standing groove has been seted up on the top of workstation, and the inside of standing groove is inserted and is equipped with the centre form body, the inside of workstation vertically is provided with the driving shaft, the driving gear has been cup jointed on the top of driving shaft, the driven shaft has cup jointed the transmission piece near one side of workstation inner wall, the bayonet lock is all inserted the inside of locating the draw-in groove, the ejector pin has been run through to the inside of driving shaft. The utility model discloses a be provided with bayonet lock and draw-in groove, this structure is effectual has improved the speed that the user fixed the centre form body on the workstation, and when the dismouting structure of centre form body made the user need produce the work piece of different texture structures, only changed the centre form body, need not to change whole injection mold, improved the efficiency when this mould moulds plastics different work pieces greatly, and the indirectness has promoted the production efficiency of whole injection molding process, and the structure is exquisite, and the practicality is strong.

Description

Injection mold convenient to change centre form

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold convenient to change centre form.

Background

The injection mold is a tool for producing plastic products, injection molding is a processing method used in batch production of parts with complex shapes, the injection mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, the movable mold and the fixed mold are separated during mold opening so as to take out plastic products, the application of the injection mold is very wide at present, because the internal texture structure of each mold is different, when workers need to produce products with different structures, the molds need to be replaced, the time and labor for replacing the whole molds from the injection molding machine are wasted, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold convenient to change centre form to what provide in solving above-mentioned background art is all inequality because the inside texture structure of every mould, when the staff need produce the product of isostructure, need change the mould, and change whole mould from the injection molding machine and waste time and energy, reduced production efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold convenient for replacing an inner mold comprises a workbench, wherein a placing groove is formed in the top end of the workbench, an inner mold body is inserted into the placing groove, a driving shaft is longitudinally arranged in the workbench, the bottom end of the driving shaft penetrates through the workbench and extends to the outside of the workbench, a first rotating disc is welded at the bottom end of the driving shaft, a positioning pipe is welded on the left side of the first rotating disc, a positioning rod is longitudinally arranged in the positioning pipe, a positioning pin is welded at the top end of the positioning rod, the bottom end of the positioning pin is inserted into the positioning pipe, a positioning hole is formed in the left side of the bottom end of the workbench, the top end of the positioning pin is inserted into the positioning hole, the bottom end of the positioning rod penetrates through the positioning pipe and extends to the outside of the positioning pipe, a handle is welded at the bottom end of the positioning rod, a driving gear is, and driven gear keeps away from the middle part of driving gear one side and all has welded the driven shaft, the support frame has all been cup jointed to one side that the driven shaft is close to driven gear, and the bottom and the workstation welded fastening of support frame, the driven shaft has cup jointed the transmission piece near one side of workstation inner wall, the transmission board has all been welded on the top of transmission piece, and the transmission board top has all welded the bayonet lock near one side of standing groove, the draw-in groove has all been seted up all around to the centre form body, the inside of locating the draw-in groove is all inserted to the bayonet lock, the ejector pin has been run through to the inside of driving shaft, and the ejector pin top passes the workstation inner wall and extend to the inside of standing groove, the top of ejector pin is connected with the roof.

Preferably, the outer wall of the positioning rod is sleeved with a spring, one end of the spring is welded on the inner wall of the positioning pipe, and the other end of the spring is welded on the positioning rod.

Preferably, the driven shaft is close to one side of the inner wall of the workbench and is provided with external threads, the inner wall of the transmission block is provided with internal threads, and the driven shaft and the transmission block are connected through a threaded structure.

Preferably, the top of driving plate all welds there is the slider, the spout has all been seted up on the inner wall on workstation top, the driving plate constitutes slide mechanism with the workstation.

Preferably, the top end of the ejector rod is provided with an external thread, the inner wall of the workbench, which is attached to the ejector rod, is provided with an internal thread, and the workbench is connected with the ejector rod through a threaded structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with bayonet lock and draw-in groove, when the user installs the internal mold body, the user pulls out and waves the handle and makes first carousel rotate, through the driving gear with four group driven gear intermeshing and driven shaft and the screw thread structure of transmission block mutually supporting, make four group bayonet locks remove simultaneously, insert in the middle of the draw-in groove, thereby fix the internal mold body inside the standing groove, the speed that the user fixed the internal mold body on the workstation is effectively improved to this structure, be convenient for dismantle the internal mold body fast, the dismouting structure of internal mold body makes the user need produce the work piece of different texture structures, only change the internal mold body, need not to change whole injection mold, the efficiency when having improved this mould injection molding different work pieces greatly, the production efficiency of whole injection molding process has been promoted to the indirectness, the structure is exquisite, therefore, the clothes hanger is strong;

the utility model discloses a be provided with the ejector pin, roof and second carousel, when the user dismantles the internal model body, rotatory first carousel makes the bayonet lock take out from the draw-in groove, rotatory second carousel passes through helicitic texture messenger ejector pin and promotes roof rebound again, release the internal model body from the standing groove is inside, effectually prevented that the liquid of moulding plastics from immersing the gap department of standing groove and internal model body, lead to standing groove and this body coupling tension user's dismantlement internal model body difficult problem of centre model, roof help centre model body breaks away from easy operation convenience from the standing groove, and is very laborsaving, user's intensity of labour has been alleviateed.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a position a in fig. 1 according to the present invention.

In the figure: 1. a work table; 2. a placement groove; 3. an inner mold body; 4. a drive shaft; 5. a first turntable; 6. a positioning tube; 7. positioning a rod; 8. positioning pins; 9. positioning holes; 10. a handle; 11. a driving gear; 12. a driven gear; 13. a driven shaft; 14. a support frame; 15. a transmission block; 16. a drive plate; 17. a bayonet lock; 18. a card slot; 19. a top rod; 20. a top plate; 21. a second turntable.

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. 1-3, the present invention provides an embodiment:

an injection mold convenient for replacing an inner mold comprises a workbench 1, wherein a placing groove 2 is formed in the top end of the workbench 1, an inner mold body 3 is inserted into the placing groove 2, a driving shaft 4 is longitudinally arranged in the workbench 1, the bottom end of the driving shaft 4 penetrates through the workbench 1 and extends to the outside of the workbench 1, a first rotating disc 5 is welded at the bottom end of the driving shaft 4, a positioning pipe 6 is welded at the left side of the first rotating disc 5, a positioning rod 7 is longitudinally arranged in the positioning pipe 6, a positioning pin 8 is welded at the top end of the positioning rod 7, the bottom end of the positioning pin 8 is inserted into the positioning pipe 6, a positioning hole 9 is formed in the left side of the bottom end of the workbench 1, the top end of the positioning pin 8 is inserted into the positioning hole 9, the bottom end of the positioning rod 7 penetrates through the positioning pipe 6 and extends to the outside of the positioning pipe 6, one end of the spring is welded on the inner wall of the positioning tube 6, the other end of the spring is welded on the positioning rod 7, when a user pulls the handle 10, the positioning rod 7 moves downwards, the spring is compressed to generate elastic force, and when the user releases the handle 10, the spring releases the elastic force to drive the positioning rod 7 to move upwards;

the top end of the driving shaft 4 is sleeved with a driving gear 11, driven gears 12 are meshed around the driving gear 11, driven shafts 13 are welded in the middles of the sides, far away from the driving gear 11, of the driven gears 12, supporting frames 14 are sleeved on the sides, close to the driven gears 12, of the driven shafts 13, external threads are arranged on the sides, close to the inner wall of the workbench 1, of the driven shafts 13, internal threads are arranged on the inner wall of the driving block 15, the driven shafts 13 are connected with the driving block 15 through threaded structures, when the driven shafts 13 rotate, the positions, on the driven shafts 13, of the driving blocks 15 can be adjusted through the threaded structures between the driven shafts 13 and the driving blocks 15, the bottom ends of the supporting frames 14 are fixedly welded with the workbench 1, the driving blocks 15 are sleeved on the sides, close to the inner wall of the workbench 1, of the driven shafts 13, the inner wall of the top end of the workbench 1 is provided with sliding grooves, the transmission plate 16 and the workbench 1 form a sliding mechanism, when the transmission block 15 drives the transmission plate 16 to move, the sliding block at the top of the transmission plate 16 moves along the sliding rail on the inner wall of the workbench 1, and the moving stability of the transmission plate 16 is enhanced;

one side of the top end of the transmission plate 16, which is close to the placing groove 2, is welded with a clamping pin 17, clamping grooves 18 are formed around the inner die body 3, the clamping pins 17 are inserted in the clamping grooves 18, a push rod 19 penetrates through the inside of the driving shaft 4, the top end of the push rod 19 penetrates through the inner wall of the workbench 1 and extends into the placing groove 2, the top end of the push rod 19 is connected with a top plate 20 through a fixed bearing, the top end of the push rod 19 is provided with external threads, the inner wall of the workbench 1, which is attached to the push rod 19, is provided with internal threads, the workbench 1 is connected with the push rod 19 through a threaded structure, when a user rotates a second turntable 21, the second turntable 21 drives the push rod 19 to rotate, the length of the push rod 19, which extends into the placing groove 2, is adjusted randomly through the threaded structure between the push rod 19 and the workbench 1, the push rod 19, the bottom end of the mandril 19 is welded with a second rotating disc 21.

The working principle is as follows: when the inner die is used, a user firstly pulls out the handle 10 downwards, separates the positioning pin 8 from the positioning hole 9, holds and shakes the handle 10 to enable the first rotary disc 5 to rotate, enables the transmission block 15 to move towards one side close to the inner wall of the workbench 1 through the mutual meshing of the driving gear 11 and the four groups of driven gears 12 and the threaded structure of the driven shaft 13 and the transmission block 15, enables the bayonet 17 to be drawn out of the clamping groove 18 through the position limitation of the top slider of the transmission plate 16 and the sliding rail on the inner wall of the workbench 1, then rotates the second rotary disc 21, enables the ejector rod 19 to push the ejector plate 20 to move upwards through the threaded structure, enables the inner die body 3 to be abutted against the bottom of the inner die body 3 through the ejector plate 20, and then the inner die body 3 is ejected out of the placing groove 2 to complete the dismounting, and similarly, when the inner die body 3 is installed by the user, only needs to align, then the handle 10 is pulled downwards and shaken reversely, so that the bayonet 17 is inserted into the clamping groove 18, and the user loosens the handle 10 to insert the positioning pin 8 into the positioning hole 9, thereby completing the installation.

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.

Claims

1. The utility model provides an injection mold convenient to change centre form, includes workstation (1), its characterized in that: the top end of the workbench (1) is provided with a placing groove (2), the inner die body (3) is inserted into the placing groove (2), a driving shaft (4) is longitudinally arranged in the workbench (1), the bottom end of the driving shaft (4) penetrates through the workbench (1) and extends to the outside of the workbench (1), the bottom end of the driving shaft (4) is welded with a first rotating disc (5), the left side of the first rotating disc (5) is welded with a positioning pipe (6), the inside of the positioning pipe (6) is longitudinally provided with a positioning rod (7), the top end of the positioning rod (7) is welded with a positioning pin (8), the bottom end of the positioning pin (8) is inserted into the positioning pipe (6), the left side of the bottom end of the workbench (1) is provided with a positioning hole (9), the top end of the positioning pin (8) is inserted into the positioning hole (9), the bottom end of the positioning rod (7) penetrates through the positioning pipe (6) and extends to the outside of the, the bottom welding of locating lever (7) has handle (10), the top of driving shaft (4) has cup jointed driving gear (11), and all meshing have driven gear (12) around driving gear (11), and driven gear (12) keep away from the middle part of driving gear (11) one side all has welded driven shaft (13), one side that driven shaft (13) is close to driven gear (12) has all cup jointed support frame (14), and the bottom of support frame (14) and workstation (1) welded fastening, one side that driven shaft (13) is close to workstation (1) inner wall has cup jointed transmission block (15), the top of transmission block (15) has all welded transmission plate (16), and one side that transmission plate (16) top is close to standing groove (2) has all welded bayonet lock (17), draw-in groove (18) have all been seted up all around interior mould body (3), bayonet lock (17) all insert the inside of locating draw-in groove (18), the inside of driving shaft (4) is run through and is had ejector pin (19), and ejector pin (19) top pass workstation (1) inner wall and extend to the inside of standing groove (2), the top of ejector pin (19) is connected with roof (20) through fixing bearing, the bottom welding of ejector pin (19) has second carousel (21).

2. The injection mold convenient for replacing the inner mold according to claim 1, wherein: the outer wall cover of locating lever (7) is equipped with the spring, and the one end welding of spring is on locating tube (6) inner wall to the other end welding of spring is on locating lever (7).

3. The injection mold convenient for replacing the inner mold according to claim 1, wherein: the driven shaft (13) is close to one side of the inner wall of the workbench (1) and is provided with external threads, the inner wall of the transmission block (15) is provided with internal threads, and the driven shaft (13) is connected with the transmission block (15) through a threaded structure.

4. The injection mold convenient for replacing the inner mold according to claim 1, wherein: the top of driving plate (16) all welds there is the slider, the spout has all been seted up on the inner wall on workstation (1) top, driving plate (16) constitute slide mechanism with workstation (1).

5. The injection mold convenient for replacing the inner mold according to claim 1, wherein: the top end of the ejector rod (19) is provided with an external thread, the inner wall of the workbench (1) attached to the ejector rod (19) is provided with an internal thread, and the workbench (1) is connected with the ejector rod (19) through a thread structure.