CN217319024U

CN217319024U - Rubber product mold

Info

Publication number: CN217319024U
Application number: CN202123421528.0U
Authority: CN
Inventors: 彭赐平
Original assignee: Suzhou Changxing Mould Machinery Co ltd
Current assignee: Suzhou Changxing Mould Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-30
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a rubber product mould in the technical field of moulds, which comprises an upper template, a lower mould core, an upper mould core, a plurality of guide rods and a cylinder; the lower die core is fixedly arranged at the top of the lower die plate, the bottom ends of the guide rods are fixedly arranged at the top of the lower die core, the top ends of the guide rods are fixedly connected with the bottom surface of the upper die plate, the upper die core is slidably arranged on the guide rods and can be matched with the lower die core, the air cylinder is fixedly arranged at the top of the upper die plate, and the output end of the air cylinder is fixedly connected with the upper die core; the inner side of the lower die core is provided with a die cavity, and the bottom end of the die cavity is provided with an ejection mechanism. The utility model discloses a whole process operation is simple, can guarantee the complete degree of core simultaneously.

Description

Rubber product mold

Technical Field

The utility model relates to the technical field of mold, specifically a rubber product mould.

Background

The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool for molding an article, which is composed of various parts, and different molds are composed of different parts, and it is accomplished by the processing of the outer shape of the article mainly by the change of the physical state of the molded material. Plain has the title of "industrial mother"; the blank is formed into a tool with a specific shape and size under the action of external force. Widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like;

the traditional mould is divided into an upper mould plate and a lower mould plate, the mould core automatically bounces by utilizing a spring, and the mould core is easy to deflect due to the flowing pressure of rubber materials in the production process due to the spring mechanics principle and is easy to damage and block; in contrast, chinese patent publication No. cn201720684069.x discloses "a mold for manufacturing a rubber product, which is composed of three-layer plate structures including an upper mold plate, a middle mold plate and a lower mold plate, wherein an upper mold plate groove is formed at an upper end of the middle mold plate, the upper mold plate is connected to an upper end of the middle mold plate by being clamped in the upper mold plate groove, a middle mold plate groove is formed at an upper end of the lower mold plate, the middle mold plate is connected to an upper end of the lower mold plate by being clamped in the middle mold plate groove, the lower mold plate is fixed to a workbench, and a molding cavity is formed inside the upper mold plate, the middle mold plate and the lower mold plate"; the middle template is connected to the upper end of the middle template by being clamped in the upper template groove, and the middle template is connected to the upper end of the lower template by being clamped in the middle template groove, so that the design improves the stability during injection molding; however, after the injection is completed, it is troublesome to remove the core from the cavity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber product mould to the core that proposes in solving above-mentioned background takes out very trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber product mold comprises an upper template, a lower mold core, an upper mold core, a plurality of guide rods and a cylinder; the lower die core is fixedly arranged at the top of the lower die plate, the bottom ends of the guide rods are fixedly arranged at the top of the lower die core, the top ends of the guide rods are fixedly connected with the bottom surface of the upper die plate, the upper die core is slidably arranged on the guide rods and can be matched with the lower die core, the air cylinder is fixedly arranged at the top of the upper die plate, and the output end of the air cylinder is fixedly connected with the upper die core; and a cavity is formed in the inner side of the lower die core, and an ejection mechanism is installed at the bottom end of the cavity.

Preferably, the ejection mechanism comprises an ejection plate, the bottom end of the cavity is provided with a mounting groove matched with the ejection plate, and the ejection plate is slidably mounted on the inner side of the mounting groove.

Preferably, the ejection mechanism further comprises an internal thread bevel gear ring and a screw rod; the internal thread bevel gear ring is rotatably installed on the bottom wall of the installation groove, the bottom end of the lead screw is in threaded fit with the inner wall of the internal thread bevel gear ring, and the top end of the lead screw is fixedly connected with the ejection plate.

Preferably, the ejection mechanism further comprises a bevel gear and an ejection motor, the bevel gear is rotatably mounted on the inner side of the mounting groove through a rotating shaft, the bevel gear is meshed with the internal thread bevel gear ring, the ejection motor is fixedly mounted on the outer side of the lower template, and an output shaft of the ejection motor is fixedly connected with the rotating shaft of the bevel gear.

Preferably, buffer gear is all installed at the both ends at lower mold core top, buffer gear includes the backup pad, lower mold core top seted up with backup pad assorted dashpot, backup pad slidable mounting is inboard at the dashpot.

Preferably, the buffer mechanism further comprises a spring, the bottom end of the spring is fixedly mounted on the bottom wall of the buffer groove, and the top end of the spring is fixedly connected with the bottom surface of the support plate.

Compared with the prior art, the beneficial effects of the utility model are that: after the mold core in the mold cavity is molded, the ejection motor is driven to enable the bevel gears to rotate, so that the internal thread bevel gear rings synchronously rotate, the screw rod drives the ejection plate to move upwards, and finally the mold core is ejected out of the mold cavity by the ejection plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the ejection mechanism of the present invention;

fig. 3 is a schematic structural diagram of the buffering mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. mounting a template; 2. a lower template; 3. a lower mold core; 4. an upper mold core; 5. a guide bar; 6. a cylinder; 7. a cavity; 8. an ejection mechanism; 81. mounting grooves; 82. an internal thread bevel gear ring; 83. a screw rod; 84. ejecting the plate; 85. a bevel gear; 86. ejecting out a motor; 9. a buffer mechanism; 91. a buffer tank; 92. a spring; 93. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a rubber product mold comprises an upper template 1, a lower template 2, a lower mold core 3, an upper mold core 4, a plurality of guide rods 5 and a cylinder 6; the lower mold core 3 is fixedly arranged at the top of the lower template 2, the bottom ends of the guide rods 5 are fixedly arranged at the top of the lower mold core 3, the top ends of the guide rods 5 are fixedly connected with the bottom surface of the upper template 1, the upper mold core 4 is slidably arranged on the guide rods 5 and can be matched with the lower mold core 3, and the guide rods 5 can enable the upper mold core 4 to move up and down stably, so that the upper mold core 4 can be matched with the lower mold core 3 stably;

the cylinder 6 is fixedly arranged at the top of the upper template 1, the output end of the cylinder 6 is fixedly connected with the upper mold core 4, and the cylinder 6 is used for driving the upper mold core 4 to move up and down; a cavity 7 is formed in the inner side of the lower mold core 3, and an ejection mechanism 8 is arranged at the bottom end of the cavity 7; the ejection mechanism 8 is used for ejecting the core inside the cavity 7.

The ejection mechanism 8 comprises an ejection plate 84, an internal thread bevel gear ring 82 and a screw rod 83, the bottom end of the cavity 7 is provided with an installation groove 81 matched with the ejection plate 84, and the ejection plate 84 is slidably installed on the inner side of the installation groove 81; the internal thread bevel gear ring 82 is rotatably installed on the bottom wall of the installation groove 81, the bottom end of the screw rod 83 is in threaded fit with the inner wall of the internal thread bevel gear ring 82, and the top end of the screw rod 83 is fixedly connected with the ejector plate 84; the screw 83 can be displaced relative to the internally threaded bevel gear 82, so that the ejector plate 84 can be pushed out.

The ejection mechanism 8 further comprises a bevel gear 85 and an ejection motor 86, the bevel gear 85 is rotatably mounted on the inner side of the mounting groove 81 through a rotating shaft, the bevel gear 85 is meshed with the internal thread bevel gear ring 82, the ejection motor 86 is fixedly mounted on the outer side of the lower template 2, and an output shaft of the ejection motor 86 is fixedly connected with the rotating shaft of the bevel gear 85. The ejection motor 86 is used to drive the rotation of the bevel gear 85, thereby rotating the internally threaded bevel gear ring 82.

The two ends of the top of the lower die core 3 are both provided with a buffer mechanism 9, each buffer mechanism 9 comprises a support plate 93 and a spring 92, the top of the lower die core 3 is provided with a buffer groove 91 matched with the support plate 93, and the support plates 93 are slidably arranged on the inner sides of the buffer grooves 91; the bottom end of the spring 92 is fixedly mounted on the bottom wall of the buffer groove 91, and the top end of the spring 92 is fixedly connected with the bottom surface of the support plate 93. The spring 92 can play a role of buffering, so that mutual abrasion when the upper mold core 4 is matched with the lower mold core 3 is avoided.

The working principle is as follows: firstly, the upper mold core 4 is moved downwards by controlling the air cylinder 6, so that the upper mold core 4 is matched with the lower mold core 3; then materials are injected into the cavity 7 through the injection hole of the upper mold core 4;

after the mold core in the mold cavity 7 is molded, the ejection motor 86 is driven to enable the bevel gear 85 to rotate, so that the internal thread bevel gear ring 82 synchronously rotates, the screw 83 drives the ejection plate 84 to move upwards, and finally the ejection plate 84 ejects the mold core out of the mold cavity 7.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rubber product mold is characterized in that: the device comprises an upper template (1), a lower template (2), a lower mold core (3), an upper mold core (4), a plurality of guide rods (5) and a cylinder (6); the lower mold core (3) is fixedly arranged at the top of the lower template (2), the bottom ends of the guide rods (5) are fixedly arranged at the top of the lower mold core (3), the top ends of the guide rods (5) are fixedly connected with the bottom surface of the upper template (1), the upper mold core (4) is slidably arranged on the guide rods (5) and can be matched with the lower mold core (3), the air cylinder (6) is fixedly arranged at the top of the upper template (1), and the output end of the air cylinder (6) is fixedly connected with the upper mold core (4); a cavity (7) is formed in the inner side of the lower mold core (3), and an ejection mechanism (8) is installed at the bottom end of the cavity (7).

2. A rubber product mold as defined in claim 1, wherein: the ejection mechanism (8) comprises an ejection plate (84), the bottom end of the cavity (7) is provided with a mounting groove (81) matched with the ejection plate (84), and the ejection plate (84) is slidably mounted on the inner side of the mounting groove (81).

3. A rubber product mold as defined in claim 2, wherein: the ejection mechanism (8) further comprises an internal thread bevel gear ring (82) and a screw rod (83); the internal thread bevel gear ring (82) is rotatably installed on the bottom wall of the installation groove (81), the bottom end of the screw rod (83) is in threaded fit with the inner wall of the internal thread bevel gear ring (82), and the top end of the screw rod (83) is fixedly connected with the ejection plate (84).

4. A rubber product mold as defined in claim 3, wherein: the ejection mechanism (8) further comprises a bevel gear (85) and an ejection motor (86), the bevel gear (85) is rotatably mounted on the inner side of the mounting groove (81) through a rotating shaft, the bevel gear (85) is meshed with the internal thread bevel gear ring (82), the ejection motor (86) is fixedly mounted on the outer side of the lower template (2), and an output shaft of the ejection motor (86) is fixedly connected with the rotating shaft of the bevel gear (85).

5. A rubber product mold as defined in claim 4, wherein: buffer gear (9) are all installed at the both ends at lower mold core (3) top, buffer gear (9) include backup pad (93), lower mold core (3) top seted up with backup pad (93) assorted dashpot (91), backup pad (93) slidable mounting is inboard at dashpot (91).

6. A rubber product mold as defined in claim 5, wherein: the buffer mechanism (9) further comprises a spring (92), the bottom end of the spring (92) is fixedly installed on the bottom wall of the buffer groove (91), and the top end of the spring (92) is fixedly connected with the bottom surface of the supporting plate (93).