JP3090985B2 - Molded product removal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat molded product such as a cleaning blade for an electrophotographic copying machine manufactured by casting a urethane resin or the like from a casting mold and, for example, storing the molded product. The present invention relates to an apparatus for taking out a molded product for automatically transporting to a case.

[0002]

2. Description of the Related Art As is well known, a cleaning blade is used to remove excess toner attached to a photosensitive drum in a copying machine, a printer, and the like.
Most parts depended on the manual work of the workers. In other words, in addition to operations such as moving the casting mold, disassembling, and assembling, for example, removing a cleaning blade molded by injecting urethane resin or the like into the mold or removing the cleaning blade taken out. The work of transporting to the storage case mostly relied on the manual work of the workers.

[0003]

However, in the conventional working method in which the cleaning blade is taken out of the mold from the mold and transported to the storage case, the burden on the worker is large, and the cleaning blade is attached to the cleaning blade. There is a risk that foreign matter and oils and fats may adhere to the product, causing the quality to deteriorate, and the production efficiency is very low, so that it is not suitable for mass production.

It is an object of the present invention to provide an apparatus for automatically removing a molded product from a mold, which is necessary for automating a production (production) line of a molded product such as a cleaning blade.

[0005]

In order to achieve the above object, the present invention provides an apparatus for removing a molded product, comprising the steps of: a) removing a flat molded product such as a cleaning blade from an open mold and transporting it to a predetermined position; A product removal device,
b) a mechanism for pushing a molded product in the mold by a pin member through a pin hole formed in the mold; and c) a mold which is engaged with an upper end of the mold and is pushed up by the pushing mechanism. And d) a transfer mechanism for a molded product that can reciprocate between the mold position and a predetermined position, and e) the transfer mechanism includes a mold in the mold. An adsorbing member capable of adsorbing and desorbing articles is provided so as to be able to move up and down via an elevating mechanism.

Further, it is preferable that the transfer mechanism includes a turning mechanism for turning the suction member between a downward position and a lateral position.

According to a third aspect of the present invention, g) a conveyor device for transporting the mold to an apparatus for taking out a molded product is provided, and h) a mold on the conveyor apparatus in front of the take-out apparatus. A positioning mechanism capable of contacting both ends of the mold and a positioning mechanism capable of contacting before and after the mold may be provided, respectively, and i) the pin hole of the pin member may be provided. In order to take out molded products from a plurality of dies at different positions, a type determination pin for detecting the position of a pin hole of the die may be provided to be able to move up and down below the conveyor device in which the respective positioning mechanisms are arranged. .

[0008]

According to the take-out apparatus of the present invention having the above-described structure, the molded product in the mold is pushed up by the pin member and is separated from the mold, and the suction member of the transfer mechanism is lowered by the elevating mechanism. To adsorb the molded product. Then, after the suction member that has sucked the molded product is lifted by the elevating mechanism, the molded product is transported to a predetermined position such as a storage case. In particular, according to the take-out device according to the second aspect, the direction of the molded product sucked by the suction member and transported to the predetermined position is vertically changed by turning the suction member by 90 ° from the downward position to the horizontal position by the turning mechanism. Since the direction can be changed, by releasing the suction operation by the suction member in this state, it is possible to efficiently store the molded product in the storage case or the like in the vertical direction.

According to the third aspect of the present invention, when the mold is transported by the conveyor device, the mold can be pre-positioned in front of the take-out device. And the molded product can be taken out of the mold without fail.

Further, according to the removing device of the fourth aspect, it is possible to reliably remove the molded product from the different types of molds.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an apparatus for removing a molded product according to an embodiment of the present invention. In this embodiment, the molded product is
This is a cleaning blade A having a metal fitting B as shown in FIG. And this cleaning blade A is a mold 1
Is sent to the take-out device of the present invention in a state of being adhered to the upper surface of the mold. A small pin hole 1a is formed in the mold 1 so as to penetrate vertically, and the cleaning blade A is passed through the pin hole 1a. The pin 16 or 17 can be pushed out.

FIGS. 1 to 3 show an embodiment of a take-out device. As shown in FIGS. 1 and 2, a take-up conveyor 2 of a mold 1 is provided at a right angle to the tact conveyor 2 as shown in FIGS. The transport mechanism 3 of the cleaning blade A is provided in the direction in which the cleaning blade A moves. That is, the linear guide 5 is disposed in parallel with the frame 4 suspended from the ceiling in a direction perpendicular to the tact conveyor 2. This linear guide 5
The transport unit main body 6 of the cleaning blade A is movably arranged. The transport unit main body 6 is configured to be able to reciprocate along the linear guide 5 by a feed screw mechanism or a cylinder device (not shown).

A linear guide 7 is also provided in the vertical direction of the transfer unit main body 6, and a suction mechanism 8 for the cleaning blade A is mounted on the linear guide 7 so as to be vertically movable. The suction mechanism 8 is configured to be able to move in the vertical direction along the linear guide 7 by a feed screw mechanism or a cylinder device (not shown).

The suction mechanism 8 includes a pair of electromagnets 9 for detachably holding the metal fittings B of the cleaning blade A, and a rotary actuator 10 for rotating the electromagnets 9. Each electromagnet 9 has a support plate 11
The support plate 11
Is attached to the rotating shaft 10a of the rotary actuator 10. Further, in order to reliably restrict the turning range of the electromagnet 9 between the downward position and the lateral position, as shown in FIG. 3, when the electromagnet 9 is turned 90 ° clockwise or counterclockwise by the rotary actuator 10, the support member is rotated. Stopper 13.1 abutting on 12
4 are arranged at right angles to each other.

On the other hand, beneath the tact conveyor 2, a pair of right and left push-up mechanisms 1 for pins 16 or 17 are provided.
5 are provided. The push-up mechanism 15 has a cylinder device 18 for moving the pin 16 or 17 up and down independently.
19, the pins 16 and 17 are guided by guide members 20 and move up and down. The pins 16 and 17 are arranged at positions corresponding to the left and right pin holes 1a of the mold 1, and are used for two types of molds 1 having different pin hole 1a positions in this embodiment. That is, the cylinder device 18 or 19 extends according to the type of the mold 1, and the pin 16 or 17 rises. The type of the mold 1 is determined by a type determining mechanism 40 described later.

Further, on both sides of the tact conveyor 2, mechanisms 21 for preventing the mold 1 from being lifted are provided. The lifting prevention mechanism 21 is provided on the mold 1 on the tact conveyor 2.
The structure is such that the engagement pieces 23 engageable with both ends of the upper surface of the upper surface are vertically moved by the cylinder device 22. The lifting prevention mechanism 21 and the push-up mechanism 15 are disposed on the support frame 24, respectively.

FIG. 4 shows a positioning mechanism and a type discriminating mechanism of the mold 1 provided immediately in front of the above-described unloading device. As shown in the figure, a positioning member 32 is disposed on a frame 30 suspended from a ceiling via a cylinder device 31 for lifting and lowering. Positioning member 32
Are four positioning pieces 3 which are engaged with both ends of the front edge and the rear edge of the mold 1 on a plate 33 corresponding to the mold 1.
4 each have a structure projecting downward. At the height at which the mold 1 passes, directions in which the positioning brackets 35 face the left and right support frames 37 erected from the support frame 36 with a slight gap from both ends of the mold 1 (inward). It is projected.

A type discriminating mechanism 40 is provided below the tact conveyor 2 on a support frame 36. The type discriminating mechanism 40 has a discriminating pin 43 projecting upward at one end of a plate 42 that is moved up and down by a cylinder device 41. The position of the determination pin 43 corresponds to the pin hole 1a of one of the two dies 1. The type of the mold 1 is determined based on whether or not the pin 1a of the mold 1 penetrates when the determination pin 43 is raised by the cylinder device 41, and the determination result is sent to the push-up mechanism 15. One of the pins 16 or 17 is output by the cylinder device 18 or 19 according to the type of the mold 1 and output. In addition,
The discriminating pin 43 is attached to the upper part of the coil spring 43a. Therefore, when the discriminating pin 43 is displaced from the pin hole 1a of the mold 1, the discriminating pin 43 raised by the cylinder device 41 is The spring 43a is compressed by hitting the lower surface.

Next, the operation of the take-out device having the above configuration will be described. First, in FIG.
Is sent to the positioning mechanism in front of the take-out device by the tact conveyor 2 with the cleaning blade A facing upward in the opened state and stopped. At this time, the position of the mold 1 in the longitudinal direction is roughly determined by the positioning fittings 35 on both sides of the mold 1 on the conveyor 2. Subsequently, the positioning member 32 is moved down by the elevating cylinder device 31, and 2
The two positioning pieces 34 engage with the front and rear of the mold 1 so that the mold 1 is accurately positioned. Type identification mechanism 40
The type of the mold 1 is determined by whether or not the discriminating pin 43 is raised by the cylinder device 41 and loosely enters the pin hole 1a of the mold 1. The tact conveyor 2 travels a predetermined distance, and the mold 1
Is automatically sent to the next unloader and stops.

In FIG. 1 and FIG.
As a result, the engaging piece 23 descends and engages with both ends of the upper surface of the mold 1 on the tact conveyor 2 to fix the mold 1 and prevent the mold 1 from rising. According to the type of the mold 1 determined by the type determination mechanism 40, one of the pins 16 or 17 is raised by the cylinder device 18 or 19, and the cleaning blade A on the mold 1 is passed through the pin hole 1a. Push up and peel off from mold 1. The conveying unit main body 6 descends from above the mold 1 along the linear guide 7 in the vertical direction, and electricity is supplied to the pair of downwardly facing electromagnets 9 so that the metal fittings B of the cleaning blade A are attracted to the electromagnets 9. Linear guide 7
After the cleaning blade A attracted to the electromagnet 9 together with the transport unit main body 6 moves up to a predetermined position, the cleaning blade A attracted to the electromagnet 9 along with the transport unit main body 6 along the horizontal linear guide 5 is Mold 1
Is moved above the storage case C corresponding to the type. The cleaning blade A holds the electromagnet 9 from when it is removed from the mold 1 until it moves above the storage case C.
Is held horizontally.

Above the storage case C, the electromagnet 9 is turned 90 ° counterclockwise by the rotary actuator 10 as shown in FIG. 3 so that the cleaning blade A is oriented vertically (vertically). Then, the power supply to the electromagnet 9 is stopped by descending to the predetermined position, and the cleaning blade A is detached from the electromagnet 9 and stored in the storage case C. Thereafter, the electromagnet 9 rises to a predetermined position and then turns to the original downward position, returns to the original initial position above the tact conveyor 2 along the linear guide 5, and the above-described operation is repeated.

By the way, in the above embodiment, the metal member B of the cleaning blade A is transported while being attracted by the electromagnet 9, but the cleaning blade A is provided with the metal member B which cannot be attracted by the magnet, or the metal member B is provided. If not, a suction member that sucks at a negative pressure may be used instead of the electromagnet 9. In the above embodiment, the removal of the cleaning blade A and the like have been described. However, as long as the molded product is flat, the present invention is not particularly limited to the cleaning blade A.

[0023]

As is apparent from the above description,
The molded product take-out apparatus of the present invention has the following effects. (1) Compared with the conventional work of removing the molded product from the mold and transporting it to a storage case by a worker, the burden on the worker is greatly reduced, labor is saved, and the molded product is manually handled. Foreign matter and oils and fats do not adhere,
It does not reduce the quality and increases the safety of work. The mechanization of the work part by hand also improves the production efficiency.

(2) According to the second aspect of the present invention, the direction of the molded product sucked by the suction member and transported to the predetermined position can be changed to the vertical direction by the turning mechanism, so that the molded product can be efficiently placed in the storage case or the like. Can be stored well.

(3) According to the third aspect of the present invention, when the mold is transported by the conveyor device, the mold can be accurately positioned in advance before the removal device, so that the molded product can be reliably removed from the mold. Can be.

(4) The removal device according to claim 4 can reliably remove a molded product from a plurality of molds of different types.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of an apparatus for removing a molded product according to the present invention.

FIG. 2 is a plan view of the unloading device of FIG.

FIG. 3 is an enlarged side view of a part of the extracting device of FIG. 1;

FIG. 4 is a front view showing a positioning mechanism and a mold discriminating mechanism provided in front of the unloading device of FIG. 1;

FIG. 5 is an enlarged sectional view showing a mold and a cleaning blade on the mold.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 mold 2 tact conveyor 5 transfer mechanism 6 transfer unit main body 9 electromagnet 10 rotary actuator 15 push-up mechanism material 16/17 pin 21 lifting prevention mechanism 40 type discrimination mechanism A cleaning blade

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Yoshinori Fujiwara 3-2-1-15 Meiwadori, Hyogo-ku, Kobe City, Hyogo Prefecture Inside Bando Chemical Co., Ltd. (72) Inventor Tsuruichi Koyama Takafusa, Kitajima-cho, Itano-gun, Tokushima Prefecture 8 in Kawakami Toho Machinery Co., Ltd. (56) References JP-A-2-155710 (JP, A) JP-A-63-131352 (JP, A) JP-A-6-254860 (JP, A) Opened Sho 62-50857 (JP, U) Opened Sho 63-56604 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B29C 39/26-39/36 B29C 33/20- 33/28 B29C 33/44-33/46

Claims (4)

(57) [Claims] 1. An apparatus for taking out a molded article such as a cleaning blade from an open mold and transporting the molded article to a predetermined position, wherein the molded article in the mold is pierced in the mold. A mechanism for pushing up by a pin member through the pin hole formed, a mechanism for engaging the upper end of the mold and preventing the mold from floating when pushed up by the pushing up mechanism, and between the mold position and a predetermined position. A reciprocatingly movable transfer mechanism for the molded product, wherein the transport mechanism is provided with a suction member capable of adsorbing and releasing the molded product in the mold via a lifting mechanism so as to be vertically movable. Equipment for removing molded products. 2. The apparatus according to claim 1, wherein the transport mechanism is provided with a turning mechanism for turning the suction member between a downward position and a horizontal position. 3. A conveyor device for transporting the mold to a molded product take-out device, a positioning mechanism in front of the take-out device and close to both ends of the mold on the conveyor device, and a front and rear of the mold. 3. The apparatus for removing a molded product according to claim 1, wherein a positioning mechanism capable of contacting the molded product is provided. 4. A mold discriminating pin for detecting a position of a pin hole of a mold, below a conveyor device in which each of the positioning mechanisms is arranged, in order to remove a molded product from a plurality of molds having different pin hole positions. The molded product removal device according to claim 3, wherein the device is arranged so as to be movable up and down.