CN219213980U

CN219213980U - A demolding equipment for body-building apparatus plastic accessory

Info

Publication number: CN219213980U
Application number: CN202320241458.0U
Authority: CN
Inventors: 姜振华
Original assignee: Qingdao Yingcheng Sporting Goods Co ltd
Current assignee: Qingdao Yingcheng Sporting Goods Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-20
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses demolding equipment for plastic accessories of fitness equipment, which comprises a main body component, an air pressure output component and a lower die component, wherein the main body component comprises a base, an upper die lifting frame is arranged above the base, and a top plate is arranged above the upper die lifting frame; the air pressure output assembly comprises an air cylinder assembly arranged on the top plate, after the air cylinder is subjected to air pressure infusion from the air collecting cavity, the air cylinder assembly can push the jacking spring to rise through the telescopic end, the jacking spring pushes the jacking block, the outer wall of the plastic fitting in the concave die groove is in a continuous cooling state, the outer wall of the fitting and the inner wall of the concave die groove are in a micro-separation state after expansion and contraction, and meanwhile the plastic fitting can finally break loose the constraint of the concave die groove under the elastic pushing of the jacking block, so that the aim of quick demolding is fulfilled, and the effect of quick demolding can be effectively realized on the premise that the equipment is completely automatic and the plastic fitting is not damaged by the demolding mode, so that the machining efficiency of the equipment is improved.

Description

A demolding equipment for body-building apparatus plastic accessory

Technical Field

The utility model relates to the technical field of dies, in particular to a demolding device for a body-building equipment plastic accessory.

Background

Along with the continuous improvement of the living standard of people, various fitness equipment gradually goes into the field of vision of the masses and is widely applied; in industrial manufacturing, plastic accessories are usually required to be added on the body-building equipment products; the plastic fittings of body-building equipment are various, and the plastic fittings are an indispensable part of body-building equipment production, and a plastic mould is required for producing the plastic fittings, and is an indispensable tool in the plastic processing industry.

The plastic fittings for the body-building equipment are generally formed by compression molding or injection molding in the use process of the production mold, but after the molding, the fittings are small in size and are not easy to separate from the mold, so that a great amount of time is wasted in the unloading process of the molded fittings, the working efficiency is reduced, and therefore, the demolding equipment for the plastic fittings of the body-building equipment is provided.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

Therefore, an object of the present utility model is to provide a demolding apparatus for plastic accessories of fitness equipment, so as to solve the problem that the plastic accessories for fitness equipment proposed in the above background art are not easy to separate from the mold due to small size of the accessories during the process of producing the mold.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a demolding apparatus for an exercise apparatus plastic accessory, comprising:

the main body assembly comprises a base, an upper die lifting frame is arranged above the base, and a top plate is arranged above the upper die lifting frame;

the air pressure output assembly comprises an air cylinder assembly arranged on the top plate, one side of the upper end of the air cylinder assembly is communicated with an air pipe, and the lower end of the inner part of the base is provided with an air collecting cavity communicated with one end of the air pipe;

the lower die assembly comprises a lower die arranged on the upper portion of the base, a plurality of concave die grooves matched with plastic fittings are formed in the upper portion of the lower die, ejector block limiting grooves formed in the bottom of the concave die grooves are formed in the inner portion of the lower die, mounting grooves are formed in the lower ends of the ejector block limiting grooves, ejector blocks are arranged on the inner sides of the ejector block limiting grooves in a jogged mode, an ejector cylinder is fixed to the lower end of the inner portion of the mounting grooves, and the output end of the ejector cylinder is used for pushing the ejector blocks to move up and down and communicated with the air collecting cavity.

As a preferable scheme of the demolding equipment for the body building equipment plastic accessory, the main body assembly further comprises an upper die arranged at the bottom of the upper die lifting frame, and a hydraulic rod fixedly arranged at the middle part of the top plate and connected with the top of the upper die lifting frame at the output end, wherein guide posts are vertically fixed at four corners of the upper end of the base, the upper die lifting frame vertically slides on the guide posts, and the top of the guide posts is fixed at the bottom of the top plate.

As a preferable scheme of the demolding device for the plastic accessories of the fitness equipment, the cylinder assembly comprises a cylinder vertically fixed on the top plate, a top rod extending and contracting at the lower end and the inner side of the cylinder, and a piston fixed at the upper end of the top rod and installed at the inner side of the cylinder.

As a preferable scheme of the demolding device for the plastic accessory of the fitness equipment, the lower mold assembly further comprises a jacking spring, wherein one end of the jacking spring is connected to the bottom of the jacking block, and the other end of the jacking spring is connected to the top output end of the jacking cylinder.

As a preferable scheme of the demolding device for the body building equipment plastic accessory, the cylinder body part of the jacking cylinder is further provided with an air duct communicated with the air collecting cavity.

Compared with the prior art, the utility model has the beneficial effects that: this kind of a demolding equipment for body-building apparatus plastics accessory, through last mould crane, the cylinder, the ejector pin, the piston, the gas-supply pipe and mutually support such as air collecting chamber can realize the gas-supply process to the roof cylinder voluntarily, simultaneously, roof cylinder accessible flexible end promotes roof spring and rises, roof spring then forms the top to the kicking block and pushes away, because the plastics accessory in the die cavity is in continuous cooling state, the accessory outer wall is in little state that breaks away from with the die cavity inner wall after the expend with heat and contract with cold, simultaneously under the elasticity top pushing away of kicking block, the plastics accessory can finally break loose the constraint of die cavity, thereby to quick drawing of patterns's purpose can effectively realize that the equipment is automatic and reach the effect of quick drawing of patterns under the prerequisite of not damaging plastics accessory completely through this kind of drawing of patterns mode, thereby improve the machining efficiency of equipment.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a schematic diagram of the overall front view of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present utility model.

In the figure: 100. a body assembly; 110. a base; 120. an upper die lifting frame; 120a, hydraulic rods; 130. a top plate; 140. an upper die; 150. a guide post; 200. an air pressure output assembly; 210. a cylinder assembly; 210a, a cylinder; 210b, ejector pins; 210c, a piston; 220. a gas pipe; 230. an air collection cavity; 300. a lower die assembly; 310. a lower die; 310a, a female die groove; 310b, a top block limit groove; 310c, mounting slots; 310d, an airway; 320. a top block; 330. a jacking cylinder; 340. and pressing the spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 3 are schematic views showing the whole structure of a demolding apparatus for plastic fittings of exercise equipment according to the present utility model, referring to fig. 1 to 3, a demolding apparatus for plastic fittings of exercise equipment according to the present embodiment includes a main body assembly 100, an air pressure output assembly 200, and a lower die assembly 300.

The main body assembly 100 comprises a base 110, an upper die lifting frame 120 is arranged above the base 110, a top plate 130 is arranged above the upper die lifting frame 120, in the embodiment, the main body assembly 100 further comprises an upper die 140 arranged at the bottom of the upper die lifting frame 120, a hydraulic rod 120a fixedly arranged at the middle part of the top plate 130 and the output end of the hydraulic rod is connected with the top of the upper die lifting frame 120, guide posts 150 are vertically fixed at four corners of the upper end of the base 110, wherein the upper die lifting frame 120 vertically slides on the guide posts 150, the top of the guide posts 150 is fixed at the bottom of the top plate 130, and when demoulding, the upper die 140 is separated from the lower die 310 and the concave die groove 310a by starting the hydraulic rod 120a and driving the upper die lifting frame 120 to vertically ascend.

The air pressure output assembly 200 comprises an air cylinder assembly 210 installed on the top plate 130, one side of the upper end of the air cylinder assembly 210 is communicated with an air pipe 220, an air collecting cavity 230 communicated with one end of the air pipe 220 is arranged at the lower end of the inside of the base 110, in this embodiment, the air cylinder assembly 210 comprises an air cylinder 210a vertically fixed on the top plate 130, a push rod 210b stretching out and drawing back on the lower end and the inner side of the air cylinder 210a, and a piston 210c fixed on the upper end of the push rod 210b and installed on the inner side of the air cylinder 210a, in the rising process of the upper die lifting frame 120, i.e. after the upper die 140 is completely separated from the concave die groove 310a, the upper die lifting frame 120 can push the push rod 210b upwards and drive the piston 210c to squeeze air pressure in the air cylinder 210a, and simultaneously the air pressure can be led to the air collecting cavity 230 through the air collecting cavity 230 to synchronously convey air to all the top-pressure air cylinders 330, so that the top-pressure air cylinders 330 can push the top blocks 320 upwards, and the molded plastic fittings in the concave die groove 310a.

The lower die assembly 300 comprises a lower die 310 mounted on the upper part of the base 110, a plurality of female die grooves 310a matched with plastic fittings are formed in the upper part of the lower die 310, a top block limiting groove 310b formed in the lower die 310 is formed in the bottom of the female die groove 310a, a mounting groove 310c is formed in the lower end of the top block limiting groove 310b, a top block 320 is arranged in the inner side of the top block limiting groove 310b in a jogged mode, a top pressing cylinder 330 is fixed to the lower end in the mounting groove 310c, wherein the output end of the top pressing cylinder 330 is used for pushing the top block 320 to move up and down, the cylinder body part of the top pressing cylinder 330 is communicated with the air collecting cavity 230, and in the embodiment, the lower die assembly 300 further comprises a top pressing spring 340 with one end connected to the bottom of the top block 320 and the other end connected to the top output end of the top pressing cylinder 330; the cylinder body part of the jacking cylinder 330 is also provided with an air duct 310d communicated with the air collection cavity 230, when the jacking cylinder 330 is subjected to air pressure infusion from the air collection cavity 230, the jacking cylinder can push the jacking spring 340 to rise through the telescopic end, the jacking spring 340 pushes the jacking block 320, the outer wall of the plastic fitting in the concave die groove 310a is in a micro-separation state with the inner wall of the concave die groove 310a after expansion and contraction due to continuous cooling, and meanwhile, the plastic fitting can finally break loose the constraint of the concave die groove 310a under the elastic pushing of the jacking block 320, so that the aim of quick demoulding is fulfilled.

It will be appreciated that the region of the lower mold 310 surrounding the female mold groove 310a in this embodiment may also be provided with cooling pipes or cooling channels, thereby further reducing the waiting time for the plastic part to disengage from the female mold groove 310a.

In summary, according to the demolding device for the plastic accessory of the fitness equipment of the present embodiment, after the jacking cylinder 330 is subjected to the pneumatic infusion from the air collecting cavity 230, the jacking spring 340 is pushed to rise by the telescopic end, the jacking spring 340 pushes the jacking block 320, since the plastic accessory in the concave mold groove 310a is in a continuous cooling state, the outer wall of the accessory and the inner wall of the concave mold groove 310a are in a micro-separation state after expansion and contraction, and meanwhile, under the elastic pushing of the jacking block 320, the plastic accessory can finally break loose the constraint of the concave mold groove 310a, thereby achieving the purpose of rapid demolding.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A demolding device for a plastic fitting of fitness equipment, comprising

The main body assembly (100) comprises a base (110), an upper die lifting frame (120) is arranged above the base (110), and a top plate (130) is arranged above the upper die lifting frame (120);

the air pressure output assembly (200) comprises an air cylinder assembly (210) arranged on the top plate (130), one side of the upper end of the air cylinder assembly (210) is communicated with an air pipe (220), and the lower end of the inner part of the base (110) is provided with an air collection cavity (230) communicated with one end of the air pipe (220);

lower die assembly (300), including install in lower mould (310) on base (110) upper portion, lower mould (310) upper portion is provided with a plurality of die grooves (310 a) that match with the plastics accessory, die groove (310 a) bottom has ejector pad spacing groove (310 b) of opening in lower mould (310) inside, ejector pad spacing groove (310 b) lower extreme is provided with mounting groove (310 c), ejector pad spacing groove (310 b) inboard sets up the gomphosis and is provided with ejector pad (320), mounting groove (310 c) inside lower extreme is fixed with ejector cylinder (330), and wherein, ejector cylinder (330) output is used for promoting and reciprocates ejector pad (320), and ejector cylinder (330) cylinder body intercommunication in gas collection chamber (230).

2. A demolding device for fitness equipment plastic accessories according to claim 1, characterized in that: the main body assembly (100) further comprises an upper die (140) arranged at the bottom of the upper die lifting frame (120), a hydraulic rod (120 a) fixedly arranged at the middle part of the top plate (130) and connected with the top of the upper die lifting frame (120) at the output end, guide posts (150) are vertically fixed at four corners of the upper end of the base (110), the upper die lifting frame (120) vertically slides on the guide posts (150), and the top of the guide posts (150) is fixed at the bottom of the top plate (130).

3. A demolding device for fitness equipment plastic accessories according to claim 1, characterized in that: the cylinder assembly (210) comprises a cylinder (210 a) vertically fixed on the top plate (130), a push rod (210 b) extending and contracting at the lower end and the inner side of the cylinder (210 a), and a piston (210 c) fixed at the upper end of the push rod (210 b) and installed at the inner side of the cylinder (210 a).

4. A demolding device for fitness equipment plastic accessories according to claim 1, characterized in that: the lower die assembly (300) further comprises a jacking spring (340) with one end connected to the bottom of the jacking block (320) and the other end connected to the top output end of the jacking cylinder (330).

5. A demolding device for fitness equipment plastic accessories according to claim 1, characterized in that: the cylinder body part of the jacking cylinder (330) is also provided with an air duct (310 d) communicated with the air collection cavity (230).