WO2012138113A2

WO2012138113A2 - Chamfering device

Info

Publication number: WO2012138113A2
Application number: PCT/KR2012/002515
Authority: WO
Inventors: 최민철
Original assignee: Choi Min-Cheol
Priority date: 2011-04-05
Filing date: 2012-04-04
Publication date: 2012-10-11
Also published as: KR20120113367A; WO2012138113A3; KR101387432B1

Abstract

The present invention relates to a chamfering device, and is characterized by chamfer processing through the pressurization of the edges of an injection-molded injection product using a pressurizing roller, forming a gently curved chamfered portion as a burr created on the edges of the injection product is removed, thus preventing an injury of a user in advance, and by firmly coating the surface (outside surface) of a lid, higher quality product is achieved.

Description

Chamfering Device

The present invention relates to a chamfering device, and more particularly to a chamfering device for chamfering the injection molded product.

In general, cosmetic containers vary in form or material depending on the contents of the cosmetics contained in the storage chamber. For example, it is designed in various patterns using a variety of materials such as glass, resin, aluminum, etc., depending on the type of cosmetic contents. In addition, the lid is also formed of the same material as the container according to the cosmetic container.

In particular, when the material of the cosmetic container and the lid is a resin, the container and the lid were injection molded through a pair of injection molds corresponding to each other.

The injection molded lid 1 may be formed in various structures and shapes, as shown in FIG. 1, but the injection molded lid 1 is coupled to a cosmetic container (not shown) as shown in FIG. 1. At the edge 1a of the flash, a flash phenomenon, or burr, is formed in a parting line, which is a part where the upper and lower molds abut during injection molding, thereby forming a burr. There was a problem such that the user's hand was injured by the burr formed at the edge 1a of 1).

In addition, a coating film may be formed on the outer surface of the lid 1 including the container for the high-quality cosmetics, the coating film formed on the outer surface of the lid 1 is easily peeled off by the burr formed on the lid 1 There was a problem losing.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, the flash phenomenon of the parting line that can not be solved by the mold generated in the corner of the injection molded product, such as the lid of the cosmetic container It is an object of the present invention to provide a chamfering device that not only prevents a user's injury by chamfering the burr, but also firmly coats the surface of the lid, that is, the outer surface, to attain high quality products.

The above object is achieved by a chamfering device, characterized in that the edge of the injection-molded injection molded product is pressurized with a pressure roller to chamfer.

More specifically, the chamfering device of the present invention, one or more seating jig is coupled to the injection molded product on the upper surface; A fixed jig which is lifted from the seating jig while being pressed to support the injection-molded product seated on the seating jig, and rotated together with the seating jig; It includes; and a pressure roller for chamfering by pressing the edge of the injection molded product while moving to the side of the fixed injection molding jig between the fixing jig and the mounting jig.

In addition, the chamfering device further includes a driving means for rotating the mounting jig or pressure roller, the driving means, the drive pulley is rotationally driven by a motor; A driven pulley fixedly installed at the seating jig and connected to the driving pulley of the motor by a belt; And a tensioner for supporting a belt connecting the driving pulley and the driven pulley, wherein the seating jig, the fixing jig, and the injection molded product are integrally rotated.

In addition, the pressure roller is preferably in contact with the inclined state of the injection molded product.

According to the chamfering device of the present invention, by pressing the burr formed on the edge of the injection molded product, such as the lid of the cosmetic container by chamfering process can prevent the injury of the user in advance, the surface of the lid (outer surface) ) Is firmly coated to effect high quality products.

1 is a view showing a lid of a cosmetic container which is one of the common injection molding.

2 is a perspective view showing a chamfering apparatus according to the present invention.

3 is an operating state diagram for supporting the lid seated on the chamfering device of the present invention.

Figure 4 is an operating state diagram chamfering the lid seated on the chamfering device of the present invention.

5 is a view showing a power transmission unit of the chamfering apparatus according to the present invention.

6 is a view showing a cap chamfered by the chamfering apparatus according to the present invention.

[Description of the code]

1: lid 1a: corner

10: chamfer 100: chamfering device

101: bottom plate 102: top plate

103: guide bar 110: seating jig

111: driven pulley 120: rail

130: lifting plate 131: first cylinder

132: first piston 133: fixed shaft

134: fixing jig 140: moving plate

141: second cylinder 142: second piston

143: pressure roller 150: motor

151: driving pulley 152: belt

153: tensioner 160: control unit

170,171: Directional valve 172,173: Pressure gauge

180: switch

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, prior to describing the present invention, the same reference numerals are given to the same parts as in the prior art, and redundant descriptions are omitted.

Accompanying drawings Figures 2 to 6 are views showing the lid of an injection molded product that is chamfered by the chamfering device and the chamfering device according to the present invention.

The chamfering device 100 of the present invention pressurizes the edge 1a of an injection molded product (hereinafter, referred to as a "lid"), such as a cosmetic container lid made of a resin material, by pressing as a pressure roller 143 to chamfer.

As shown in FIG. 2, the chamfering device 100 includes a mounting jig 110, a fixing jig 134, a pressure roller 143, a driving means, and the like configured on the bottom plate 101. 101) It includes a power transmission unit configured on the lower surface.

Since the bottom plate 101 is provided with a pedestal having a predetermined height at each corner of the bottom plate 101, the bottom plate 101 is spaced apart from the bottom by a predetermined distance. Therefore, the power transmission unit to be described later can be configured on the bottom surface of the bottom plate 101.

On the other hand, a plurality of seating jig 110 is rotatably installed at the front end portion of the bottom plate 101.

The seating jig 110 has a tooth shape corresponding to the bottom surface of the lid 1 on the upper surface thereof, and the lid 1 is engaged with the upper surface of the seating jig 110 so that the lid 1 is seated jig ( The flow is prevented on 110 in a prevented state.

Here, the coupling between the seating jig 110 and the lid 1 is a variety of structures or as long as it meets the conditions that can prevent the flow between the seating jig 110 and the lid 1 in addition to the coupling by the teeth corresponding to each other. A form of joining method may be applied.

In addition, a lower portion of the seating jig 110 penetrates the bottom plate 101 so that the driven pulleys 111 located on the bottom surface of the bottom plate 101 are installed to rotate with the seating jig 110, respectively. On the outer circumferential surface of the pulley 111 is formed a tooth that is engaged with the belt 152 to be described later.

The top plate 102 is installed on the seating jig 110 formed as described above, and the top plate 102 is fixed with the bottom plate 101 by four guide bars 103 perpendicular to the bottom plate 101. Installed at intervals.

A lifting plate 130 is provided below the upper plate 102, and the lifting plate 130 is installed to be lifted up and down while being fitted to the guide bar 103.

At this time, the upper surface of the upper plate 102 is provided with a first cylinder 131 for operating the elevating plate 130, the first cylinder 131 penetrates the upper plate 102 to the elevating plate 130 Connected first piston 132 is provided to be accessible. Therefore, the lifting plate 130 is moved up and down while being guided by the guide bar 103 by the first piston 132 entering and exiting from the first cylinder 131.

A plurality of fixed shafts 133 corresponding to the seating jig 110 are installed at the front end of the elevating plate 130, and each of the fixed jigs 134 is fixed to the lower end of the fixed shaft 133. It is installed to be idling on

In addition, the fixing jig 134 is inserted into the upper surface of the lid 1 coupled to the mounting jig 110 as shown in Figure 3 is coupled by the fixing jig by the lid 1 is rotated with the mounting jig 110. 134 is also rotated with the mounting jig 110.

Meanwhile, two pairs of rails 120 are installed on the upper surface of the bottom plate 101 behind the seating jig 110 in parallel in the front and rear directions, and the movable plates 140 are movable on both rails 120. Installed in a state.

In addition, a second cylinder 141 for moving the moving plate 140 is installed on the bottom plate 101 behind the moving plate 140, and the second cylinder 141 is connected to the moving plate 140. The second piston 142 is installed to be accessible. Therefore, the moving plate 140 slides back and forth on the rail 120 by the second piston 142 entering and exiting from the second cylinder 141.

The burr formed at the edge 1a of the lid 1 is moved forward to the lid 1, which is supported and fixed between the seating jig 110 and the fixing jig 134 at the distal end of the movable plate 140 that is moved in this way. ), The pressing roller 143 chamfering is installed in a rotatable state. At this time, the pressure roller 143 is installed in a state inclined 45 degrees to the front end of the moving plate 140.

Therefore, the pressing roller 143 is moved forward as shown in the moving plate 140 as shown in Figure 4 between the mounting jig 110 and the fixing jig 134, such as the mounting jig 110 and the fixing jig 134 The pressure roller 143 is rotated in contact with the edge 1a of the lid 1 to be rotated at an angle of 45 degrees, and rotated in contact with the edge 1a of the lid 1. The edge 1a of the lid 1, which is a resin material, can be quickly formed into a chamfer 10 having a gently curved shape as shown in FIG.

In addition, a motor 150 is provided as a driving means for rotating the seating jig 110 on the bottom plate 101 behind the second cylinder 141, and the motor 150 is disposed below the motor 150. The driving pulley 151 which is driven to rotate by penetrating the bottom plate 101 is located on the bottom surface of the bottom plate 101.

Meanwhile, as shown in FIG. 5, the power transmission unit configured on the bottom surface of the bottom plate 101 includes a driving pulley 151 of the motor 150 and a driven pulley 111 of the seating jig 110 of the belt 152. It is meshed with the inner circumferential surface, and a plurality of tensioners 153 for adjusting the tension of the belt 152 are provided in contact with the outer circumferential surface of the belt 152. At this time, since the tensioner 153 is rotatably installed on the bottom surface of the bottom plate 101, the tensioner 153 is idling by the belt 152 driven.

Accordingly, the driving force of the motor 150 is in the order of driving pulley 151-> belt 152-> driven pulley 111-> seating jig 110-> lid (1)-> fixing jig 134 Power is transmitted to rotate the lid 1 on the seating jig 110.

On the other hand, in addition to the above-described embodiment, the power transmission unit may be configured in various ways as long as it satisfies only a condition capable of transmitting the driving force of the motor 150 to the seating jig 110.

The first and

second cylinders

131 and 141 are pneumatically operated, and both sides of the bottom plate 101 are connected to the first and

second cylinders

131 and 141, respectively. Switch valves (also referred to as "solenoid valves") 170, 171 are provided, the first and second direction switching valves 170, 171 is a pressure source (compressor, not shown) to generate the pneumatic again The pressure gauges 172 and 173 are respectively connected between the first and second direction switching valves 170 and 171 and the pressure source.

On the other hand, the operation of the motor 150 and the direction switching valve 170, 171 and the like configured as described above is controlled by the controller 160. Here, reference numeral 180 denotes a switch.

The operation of the chamfering device according to the present invention configured as described above will be described.

First, the plurality of lids 1 are seated and temporarily fixed on the seating jig 110 of the chamfering device 100, and then the switch 180 installed on the bottom plate 101 is pressed.

Then, power is applied to the motor 150 by the controller 160 to operate the motor 150, and the driving pulley 151 is driven to rotate by the operation of the motor 150, and is engaged with the driving pulley 151. The belt 152 is driven by the drive pulley 151 to drive the plurality of driven pulleys 111 engaged with the belt 152 to rotate, and at this time a plurality of tensioners provided in contact with the outer peripheral surface of the belt 152 153 is also idling driven by the belt 152 to maintain the tension of the belt 152.

Thereafter, the controller 160 operates the first directional valve 170 to supply pressure to the first cylinder 131, and as the pressure is supplied, the first piston 132 is drawn out from the first cylinder 131. Will be lowered the lifting plate 130.

Then, as shown in FIG. 3, the fixing jig 134 is coupled to the lid 1 on the seating jig 110, which is being rotated while the fixing jig 134 is lowered by the lifting plate 130. It is also rotated with the seating jig 110 and the lid (1).

Therefore, the lid 1 is rotated while the upper and lower ends thereof are supported by the fixing jig 134 and the seating jig 110 to rotate the drawing with an accurate concentric circle in a state in which shaking during rotation is minimized.

Thereafter, the controller 160 operates the second directional valve 171 to supply pressure to the second cylinder 141 to draw out the second piston 142 from the second cylinder 141, The withdrawal of the 142 causes the moving plate 140 connected thereto to move forward on the rail 120.

Then, the pressing roller 143, which is moved forward like the moving plate 140, is in contact with the edge 1a of the lid 1 being rotated as shown in FIG. 4 in a state inclined at 45 degrees, and the pressing roller 143 is in contact with the pressing roller 143. At the same time the lid 1 is in contact with the pressure roller 143 is idling driven by the lid (1).

On the other hand, between the pressing roller 143 in contact with the edge 1a of the lid 1 being rotated and the edge 1a of the lid 1 together with the pressing force of the pressing roller 143 acting on the lid 1 side, The burrs formed on the edge 1a of the lid 1 are quickly and completely removed as shown in FIG. 6 by the frictional force acting between the parts, and the chamfers of the shape gently curved on the edges 1a ( 10) is formed. At this time, the contact time of the pressure roller 143 in contact with the edge (1a) of the lid 1 is controlled by the controller 160.

In addition, after the chamfering process as described above, the control unit 160 reversely operates the second direction switching valve 171 and the first direction switching valve 170 to retreat the pressure roller 143 and the fixing jig 134. After the increase, the operation of the motor 150 is stopped to stop the rotation of the mounting jig 110.

Thereafter, the worker separates the chamfered lid 1 placed on the stationary seating jig 110 from the seating jig 110, and remounts the new lid 1 on the seating jig 110. As described above, the chamfering device 100 is restarted.

Therefore, the chamfering device 100 of the present invention operated as described above is capable of chamfering an injection of a resin material that cannot be chamfered with a string or grinder, which is a conventional chamfering tool, as well as semi-automatic chamfering work. This has the advantage that the work is done quickly.

Claims

Chamfering device, characterized in that the chamfering process by pressing the edge of the injection-molded injection product as a pressure roller.
The method according to claim 1,

The chamfering device, one or more seating jig is coupled to the injection molded product on the upper surface;

A fixed jig which is lifted from the seating jig while being pressed to support the injection-molded product seated on the seating jig, and rotated together with the seating jig; And

Chamfering apparatus comprising a; pressurizing roller to pressurize the edge of the injection molded product while moving toward the injection-fixed product fixed between the fixing jig and seating jig.
The method according to claim 2,

Chamfering device is characterized in that the chamfering device further comprises a driving means for rotating the mounting jig or pressure roller.
The method according to claim 3,

The drive means includes a drive pulley which is rotationally driven by a motor;

A driven pulley fixedly installed at the seating jig and connected to the driving pulley of the motor by a belt; And

And a tensioner for supporting a belt connecting the driving pulley and the driven pulley, wherein the mounting jig, the fixing jig and the injection molded product are configured to rotate integrally.
The method according to claim 2,

The pressing roller is a chamfering device, characterized in that in contact with the inclined state of the injection molded product.