CN218227676U

CN218227676U - Plastic chair leg mold

Info

Publication number: CN218227676U
Application number: CN202222482565.0U
Authority: CN
Inventors: 潘美良
Original assignee: Foshan Xinruiji Plastic Technology Co ltd
Current assignee: Foshan Xinruiji Plastic Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-06
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a plastics chair foot mould, the on-line screen storage device comprises a base, a plurality of stands of last fixed surface of base is connected with, the top fixedly connected with of stand returns the shape roof, two supporting seats of the last surface symmetry fixedly connected with of base, the first die holder of top fixedly connected with of supporting seat, the last surface symmetry that returns the shape roof runs through fixed mounting and has two cylinders. The utility model discloses in, through the ejection mechanism who sets up, can rise this moment the L template after the certain distance at second die holder 7 and can contact with the diaphragm to drive diaphragm and two ejector pins and move up, and then can be ejecting with fashioned plastics chair leg, and then the drawing of patterns of being convenient for, and through the extrusion mechanism who sets up, can extrude the downthehole material of moulding plastics, thereby can make the material fill completely, improve the quality of product.

Description

Plastic chair leg mold

Technical Field

The utility model relates to a plastics chair production technical field especially relates to a plastics chair foot mould.

Background

The plastic chair is a plastic product produced by adopting an injection mold, the types of the plastic chairs are various, and the plastic chair legs are required to be separately produced by injection molding sometimes in the production process of the plastic chair, and the corresponding injection mold is generally used for injection molding production;

current plastics chair foot all is processed through injection molding process mostly and is formed, but traditional injection mold is generally annotated through the hole of moulding plastics at the in-process material of moulding plastics, becomes to mould plastics downthehole can the residual material after stopping the filling, can have the condition of unable complete filling, influences product quality, and still can have partial material at the downthehole of moulding plastics, causes the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the prior art and provide a plastic chair leg mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plastics chair foot mould, includes the base, a plurality of stands of last fixed surface of base is connected with, the top fixedly connected with of stand returns the shape roof, two supporting seats of last surface symmetry fixedly connected with of base, the first die holder of top fixedly connected with of supporting seat, the last surface symmetry of returning the shape roof runs through two fixed mounting and has two cylinders, two fixedly connected with second die holder between the bottom of cylinder, the inside of first die holder and second die holder all imbeds fixed mounting and has the heat preservation frame, two the inside of heat preservation frame imbeds fixed mounting respectively has the lower mould and goes up the mould, be equipped with plastics chair leg one-tenth die cavity between lower mould and the last mould, ejection mechanism is directly installed to first die holder and second die holder, run through between second die holder, heat preservation frame and the last mould and seted up the hole of moulding plastics, the top fixedly connected with feed mechanism in hole of moulding plastics, feed mechanism's internally mounted has extrusion mechanism.

Further, ejection mechanism includes two ejector rods, two the ejector rod symmetry runs through first die holder, heat preservation frame and lower mould in proper order, two fixedly connected with diaphragm between the bottom of ejector rod, fixedly connected with spring between the upper surface of diaphragm and the first die holder, the outer fixed surface of second die holder is connected with the L template with diaphragm matched with.

Furthermore, the inside of lower mould and last mould has all run through and has seted up the runner, just the both ends of runner all extend to the outside of first die holder and second die holder.

Furthermore, feed mechanism includes the auxiliary tube with the hole top fixed connection of moulding plastics, the top fixedly connected with inlet pipe of auxiliary tube, the internal diameter of auxiliary tube is the same with the internal diameter in the hole of moulding plastics, just the internal diameter of inlet pipe is greater than the internal diameter in the hole of moulding plastics, the inside of inlet pipe fixedly connected with first support and second support in proper order, the inside of auxiliary tube and inlet pipe all is equipped with the heat preservation.

Further, first support and second support all include outer loop, a plurality of bracing piece and inner disc, and are a plurality of the both ends of bracing piece respectively with the inner wall of outer loop and the outer wall fixed connection of inner disc, just the inner wall fixed connection of outer loop and inlet pipe, and two fixedly connected with pipe between the inner disc is located on the first support the mounting groove that is linked together with the pipe is seted up to the upper surface of inner disc.

Further, extrusion mechanism includes the rectangle push rod, the one end of rectangle push rod run through be located the second support on the inner disc and with the inner wall sliding connection of pipe, be located the bottom the surface of inner disc is seted up with rectangle push rod matched with rectangular hole, the bottom fixedly connected with of rectangle push rod and the kicking block of moulding plastics downthehole wall sliding connection, the inside of mounting groove runs through to rotate and is connected with the lead screw, the bottom of lead screw extend to the inside of pipe and with the inside threaded connection of rectangle push rod.

Furthermore, the extrusion mechanism still includes the mounting panel of fixed connection in inlet pipe surface one side, and the last fixed surface of mounting panel installs the motor, the output shaft fixedly connected with pivot of motor, the one end of pivot runs through the inside that inlet pipe and first support extend to the mounting groove in proper order and the first bevel gear of fixedly connected with, the top fixedly connected with of lead screw and the second bevel gear of first bevel gear engaged with.

Further, the inner top of mounting groove embedding fixed mounting has sealed lid, run through between inlet pipe and the first support and set up the through-hole of being connected with the pivot rotation.

The utility model has the advantages that:

the utility model discloses when using, this plastics chair foot mould, through the ejection mechanism who sets up, can rise to the certain distance back L template this moment and can contact with the diaphragm at second die holder 7 to drive diaphragm and two ejector pins and move up, and then can be ejecting with fashioned plastics chair leg, and then the drawing of patterns of being convenient for, and through the extrusion mechanism who sets up, can extrude the downthehole material of moulding plastics, thereby can make the material fill completely, improve the quality of product.

Drawings

Fig. 1 is a perspective view of the present invention;

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

FIG. 3 is a schematic view of the internal structure of the feeding tube of the present invention;

fig. 4 is a schematic structural view of the first bracket of the present invention;

fig. 5 is a schematic structural view of the second bracket of the present invention.

Illustration of the drawings:

1. a base; 2. a column; 3. a clip-shaped top plate; 4. a supporting seat; 5. a first die holder; 6. a cylinder; 7. a second die holder; 8. a heat preservation frame; 9. a lower die; 10. an upper die; 11. forming cavities of the plastic chair legs; 12. injection molding holes; 13. ejecting the rod; 14. a transverse plate; 15. a spring; 16. an L-shaped plate; 17. a flow channel; 18. an auxiliary tube; 19. a feed pipe; 20. an outer ring; 21. a support bar; 22. an inner disc; 23. a conduit; 24. mounting grooves; 25. a rectangular push rod; 26. a rectangular hole; 27. a top block; 28. a screw rod; 29. a motor; 30. a rotating shaft; 31. a first bevel gear; 32. a second bevel gear; 33. a sealing cover; 34. and a through hole.

Detailed Description

Fig. 1 to 4 show, relate to a plastics chair foot mould, including base 1, base 1's a plurality of stands of last fixed surface connection 2, stand 2's top fixedly connected with returns shape roof 3, two supporting seats 4 of the last symmetrical fixedly connected with of base 1, the first die holder 5 of the top fixedly connected with of supporting seat 4, it has two cylinders 6 to return the last surface symmetry of shape roof 3 and run through fixedly mounted, fixedly connected with second die holder 7 between the bottom of two cylinders 6, the inside of first die holder 5 and second die holder 7 all imbeds fixed mounting and has heat preservation frame 8, the inside of two heat preservation frames 8 imbeds fixed mounting respectively has lower mould 9 and last mould 10, be equipped with plastics chair leg shaping chamber 11 between lower mould 9 and the last mould 10, ejection mechanism is directly installed to first die holder 5 and second die holder 7, it has seted up injection molding hole 12 to run through between heat preservation frame 8 and the last mould 10, the top fixedly connected with feed mechanism of injection molding hole 12, feed mechanism's internally mounted has extrusion mechanism.

The ejection mechanism comprises two ejection rods 13, the two ejection rods 13 symmetrically penetrate through the first die holder 5 in sequence, the heat-insulating frame 8 and the lower die 9, a transverse plate 14 is fixedly connected between the bottom ends of the two ejection rods 13, a spring 15 is fixedly connected between the upper surface of the transverse plate 14 and the first die holder 5, an L-shaped plate 16 matched with the transverse plate 14 is fixedly connected to the outer surface of the second die holder 7, the L-shaped plate 16 can be in contact with the transverse plate 14 after the second die holder 7 ascends to a certain distance, the transverse plate 14 and the two ejection rods 13 are driven to move upwards, molded plastic chair legs can be ejected out, and demolding is facilitated.

The lower die 9 and the upper die 10 are both internally provided with a runner 17 in a penetrating manner, and the two ends of the runner 17 are both extended to the outside of the first die holder 5 and the second die holder 7, so that cold flow and hot flow can enter the inside of the die conveniently, and heating and cooling can be conveniently performed.

Feed mechanism includes auxiliary tube 18 with 12 top fixed connection of injection molding hole, auxiliary tube 18's top fixedly connected with inlet pipe 19, auxiliary tube 18's internal diameter is the same with the internal diameter of injection molding hole 12, and inlet pipe 19's internal diameter is greater than the internal diameter of injection molding hole 12, the inside of inlet pipe 19 fixedly connected with first support and second support in proper order, auxiliary tube 18 and inlet pipe 19's inside all is equipped with the heat preservation, is convenient for evenly feed in to injection molding hole 12.

First support and second support all include outer loop 20, a plurality of bracing pieces 21 and inner disc 22, a plurality of bracing pieces 21's both ends respectively with outer loop 20's inner wall and inner disc 22's outer wall fixed connection, and outer loop 20 and inlet pipe 19's inner wall fixed connection, and fixedly connected with pipe 23 between two inner discs 22, the mounting groove 24 that is linked together with pipe 23 is seted up to the upper surface that is located inner disc 22 on the first support, the material of being convenient for flows.

Extrusion mechanism includes rectangle push rod 25, the one end of rectangle push rod 25 run through the inner disc 22 that is located on the second support and with the inner wall sliding connection of pipe 23, the surface that is located the inner disc 22 of bottom is seted up with rectangle push rod 25 matched with rectangular hole 26, the bottom fixedly connected with of rectangle push rod 25 and the kicking block 27 of moulding hole 12 inner wall sliding connection, the inside run through rotation of mounting groove 24 is connected with lead screw 28, the bottom of lead screw 28 extends to the inside of pipe 23 and with the internal thread connection of rectangle push rod 25, lead screw 28 rotates and drives rectangle push rod 25 downstream through the screw thread, thereby can drive kicking block 27 downstream, and then extrude the material in the hole 12 of moulding plastics, thereby can make the material fill completely, improve the quality of product.

The extrusion mechanism further comprises a mounting plate fixedly connected to one side of the outer surface of the feeding pipe 19, a motor 29 is fixedly mounted on the upper surface of the mounting plate, a rotating shaft 30 is fixedly connected to an output shaft of the motor 29, one end of the rotating shaft 30 sequentially penetrates through the feeding pipe 19 and the first support to extend to the inside of the mounting groove 24 and is fixedly connected with a first bevel gear 31, a second bevel gear 32 meshed with the first bevel gear 31 is fixedly connected to the top end of the screw rod 28, the motor 29 rotates to drive the rotating shaft 30 and the first bevel gear 31 to rotate, and therefore the screw rod 28 is driven to rotate through the second bevel gear 32.

The sealing cover 33 is fixedly installed at the top of the installation groove 24 in an embedded mode, and a through hole 34 which is rotatably connected with the rotating shaft 30 penetrates through the feeding pipe 19 and the first support, so that the rotating shaft 30 can be conveniently installed.

When the plastic chair leg mold is used, the lower mold 9 and the upper mold 10 are combined by the starting cylinder 6, heat flow is introduced into the flow channel 17, the lower mold 9 and the upper mold 10 are heated, heat can be prevented from being rapidly lost through the arranged heat insulation frame 8, then the material is filled into the plastic chair leg molding cavity 11 through the inlet pipe 19, after the adding is completed, the motor 29 is started, the motor 29 rotates to drive the rotating shaft 30 and the first bevel gear 31 to rotate, the screw rod 28 is driven to rotate through the second bevel gear 32, the screw rod 28 rotates to drive the rectangular push rod 25 to move downwards through threads, the ejector plate 27 can be driven to move downwards, the material in the injection molding hole 12 is extruded, the material can be completely filled, the quality of a product is improved, cold flow is introduced into the flow channel 17 to cool, the lower mold 9 and the upper mold 10 are separated by the starting cylinder 6, the L16 is contacted with the transverse plate 14 after the second mold base 7 rises to a certain distance, the transverse plate 14 and the two ejector rods 13 are driven to move upwards, the molded plastic chair leg can be ejected, and the demolding is facilitated.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a plastics chair foot mould, includes base (1), its characterized in that: the utility model discloses an injection molding machine, including base (1), the last fixed surface of base (1) is connected with a plurality of stands (2), the top fixedly connected with of stand (2) returns shape roof (3), two last symmetrical fixedly connected with of upper surface of base (1) two supporting seats (4), the first die holder of top fixedly connected with (5) of supporting seat (4), the last surface symmetry of returning shape roof (3) runs through fixed mounting and has two cylinders (6), two fixedly connected with second die holder (7) between the bottom of cylinder (6), the inside of first die holder (5) and second die holder (7) all imbeds fixed mounting and has heat preservation frame (8), two the inside of heat preservation frame (8) imbeds fixed mounting respectively and has lower mould (9) and last mould (10), be equipped with plastics chair leg shaping chamber (11) between lower mould (9) and last mould (10), first die holder (5) and second die holder (7) directly install ejection mechanism, run through between second die holder (7), heat preservation frame (8) and last mould (10) have injection molding hole (12), the top fixedly connected with of injection molding hole (12), the feed mechanism's inside extrusion mechanism installs.

2. The plastic chair leg mold as claimed in claim 1, wherein: the ejection mechanism comprises two ejection rods (13), two ejection rods (13) symmetrically penetrate through a first die holder (5), a heat-insulating frame (8) and a lower die (9) in sequence, two transverse plates (14) are fixedly connected between the bottom ends of the ejection rods (13), springs (15) are fixedly connected between the upper surfaces of the transverse plates (14) and the first die holder (5), and L-shaped plates (16) matched with the transverse plates (14) are fixedly connected to the outer surfaces of the second die holders (7).

3. The plastic chair leg mold as claimed in claim 1, wherein: the lower die (9) and the upper die (10) are internally provided with a runner (17) in a penetrating mode, and two ends of the runner (17) extend to the outer portions of the first die holder (5) and the second die holder (7).

4. The plastic chair leg mold as claimed in claim 1, wherein: feed mechanism includes auxiliary tube (18) with injection molding hole (12) top fixed connection, the top fixedly connected with inlet pipe (19) of auxiliary tube (18), the internal diameter of auxiliary tube (18) is the same with the internal diameter of injection molding hole (12), just the internal diameter of inlet pipe (19) is greater than the internal diameter of injection molding hole (12), the inside of inlet pipe (19) is the first support of fixedly connected with and the second support in proper order, the inside of auxiliary tube (18) and inlet pipe (19) all is equipped with the heat preservation.

5. The plastic chair leg mold according to claim 4, wherein: first support and second support all include outer loop (20), a plurality of bracing piece (21) and inner disc (22), and are a plurality of the both ends of bracing piece (21) respectively with the inner wall of outer loop (20) and the outer wall fixed connection of inner disc (22), just the inner wall fixed connection of outer loop (20) and inlet pipe (19), and two fixedly connected with pipe (23) between inner disc (22), be located on first support mounting groove (24) that are linked together with pipe (23) are seted up to the upper surface of inner disc (22).

6. The plastic chair leg mold as claimed in claim 5, wherein: extrusion mechanism includes rectangle push rod (25), the one end of rectangle push rod (25) run through inner disc (22) that is located on the second support and with the inner wall sliding connection of pipe (23), be located the bottom rectangle hole (26) with rectangle push rod (25) matched with are seted up to the surface of inner disc (22), the bottom fixedly connected with of rectangle push rod (25) and injection molding hole (12) inner wall sliding connection's kicking block (27), the inside run through rotation of mounting groove (24) is connected with lead screw (28), the bottom of lead screw (28) extend to the inside of pipe (23) and with the inside threaded connection of rectangle push rod (25).

7. The plastic chair leg mold according to claim 6, wherein: the extrusion mechanism still includes the mounting panel of fixed connection in inlet pipe (19) surface one side, and the last fixed surface of mounting panel installs motor (29), the output shaft fixedly connected with pivot (30) of motor (29), the one end of pivot (30) runs through inlet pipe (19) and first support in proper order and extends to the inside of mounting groove (24) and first bevel gear of fixedly connected with (31), the top fixedly connected with of lead screw (28) and second bevel gear (32) of first bevel gear (31) engaged with.

8. The plastic chair leg mold according to claim 7, wherein: the interior top embedding fixed mounting of mounting groove (24) has sealed lid (33), run through between inlet pipe (19) and the first support and set up through-hole (34) of being connected with pivot (30) rotation.