JP3132130B2 - Rust prevention method and rust prevention treatment device for magnet molded body, and transfer device for magnet molded body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rust-proofing method for subjecting a magnet molded body, especially a bonded magnet molded body, to electrodeposition and baking of a rust-preventive paint, and is directly used for carrying out the rust-preventive treatment method. The present invention relates to a magnet molded article rust prevention treatment apparatus and a magnet molded article delivery apparatus.

[0002]

2. Description of the Related Art Nd-Fe-B conventionally formed into a cylindrical shape.
In some cases, a bonded magnet is used for a stator of a motor or the like.
Rust prevention was required for this Nd-Fe-B bonded magnet. For this reason, as shown in FIG. 9A, the magnet molding 103 is held in an electrodeposition rack provided with a plurality of electrode claws 101, and the magnet molding 103 is immersed in an electrodeposition bath to perform an electrodeposition treatment of a rust-preventive paint. And then baking at about 150 ° C. in a furnace. Here, the baking with the magnet molded body 103 attached to the electrodeposition rack is performed in order to simultaneously perform the rust-proofing process on a large number of magnets, and the steps required to remove one by one from the electrode claws 101 are omitted. This is to reduce the amount.

[0003] In the production of a magnet having a large wall thickness, there is no problem even if such a process is employed. However, when a thin cylindrical bonded magnet is subjected to electrodeposition and baking, the following problems occur. Was.

[0004]

The above-described electrode claw 101
Exerts a considerable tightening force so that the magnet molded body 103 can be firmly clamped. Accordingly, since a tightening force acts on the magnet molded body 103 during the baking process, the magnet molded body 103 after the baking process has (B)
As a result, there is a problem that only a product having low roundness can be manufactured.

In order to solve such a problem, a method of removing one by one and performing a baking process is conceivable. However, there is a problem that mass production cannot be performed due to an increase in man-hours. In addition, there is a measure to stop the electrodeposition coating and apply and bake on the front side of the magnet molded body by powder coating, and then turn over and apply and bake. The body coating has a problem that the accuracy of the coating cannot be improved due to a large variation in the film thickness, and the rust prevention effect is low.

Therefore, a rust-proofing method for a magnet molded body capable of producing a magnet having good shape accuracy and a high rust-preventing effect (especially a bonded magnet and other magnets) without increasing the number of steps and processes. The present invention has been completed for the purpose of providing a rust prevention treatment device and a delivery device for a magnet molded body.

[0007]

To achieve the above object, the method for rust-proofing a molded magnet according to the present invention is directed to a hollow cylindrical member held by electrode claws provided on an electrodeposition rack. In the method for rust-proofing a magnet molded body, the magnet molded body is subjected to an electrodeposition treatment of a rust-preventive paint, and the electrodeposited magnet molded body is baked. The mounting rack is held with the electrode nails down, and a baking rack in which hooks corresponding to the electrode nails are implanted is provided below the electrode nails, and the electrode nails perform an opening operation to form the magnet molded body. The baking process is performed by dropping the magnet molded body on a baking rack and standing the baking rack to suspend the magnet molded body on a hook.

[0008] According to the method for rust-proofing a magnet molded body,
The magnet molded body after the electrodeposition treatment is dropped on a baking rack, and the baking rack is erected so that the magnet molded body is hung on a hook to perform the baking treatment. I don't get the strength. Therefore, the product does not deform during the baking process.

A rust prevention treatment apparatus invented in carrying out the method for rust-preventing a magnet molded body according to the present invention is a mounting method for placing a hollow cylindrical magnet molded body on an upper surface as described in claim 2. Means, an electrodeposition rack having an electrode claw set for holding the magnet formed body from two or more directions, an opening operation means for performing an operation of opening the magnet formed body to the electrode claw set of the electrodeposition rack, Moving means for moving the electrodeposited rack, which has been brought into the electrode claw opening operation state by the opening operation means, to a position where the magnet formed body mounted on the mounting means can be held by the electrode claw set; At a position where the body can be held, a holding operation means for performing the holding operation on the electrode claw set, and an electrodeposition rack holding the magnet formed body on the electrode claw set by the holding operation is immersed in the magnet formed body to prevent it. An electrodeposition tank for performing electrodeposition of rust paint, and an electrodeposition tank for performing the electrodeposition. And a baking treatment means for performing baking treatment on the obtained magnet molded body, wherein the electrodeposition rack holding the magnetized body subjected to the electrodeposition treatment is placed under the electrode nail set. An electrodeposition rack disposing means, and a hollow cylindrical magnet molded body disposed below the electrodeposition rack disposed on the electrodeposition rack disposing means and held by the electrode claw set. A baking rack provided with a hook located substantially at the center thereof, and a drop means for dropping the magnet molded body onto the baking rack by performing an opening operation on the electrode claw set of the electrodeposition rack in a state where the baking rack is arranged. And characterized in that:

[0010] According to the apparatus for rust-proofing a magnet molded body,
The electrodeposition rack, which has been set to the electrode claw opening operation state by the opening operation means, is moved to a position where the magnet formed body placed on the mounting means can be held by the electrode claw set, and the holding operation means is operated there. This causes the electrode nail set to perform a holding operation, and causes the electrode nail set to hold the magnet molded body. Then, the electrodeposited rack holding the magnet molded body is immersed in the electrodeposition treatment tank, and the magnet molded body is subjected to an electrodeposition treatment with a rust preventive paint. Then, the electrodeposition rack holding the magnetized body subjected to the electrodeposition treatment was disposed on the electrodeposition rack disposing means with the electrode claw set facing down, and further below the electrodeposition rack, the electrode claw set was held. Arrange a baking rack with a hook protruding approximately at the center of the hollow cylindrical magnet molded body,
By operating the dropping means in that state, the electrode claw set of the electrodeposition rack is opened and the magnet molded body is dropped on the baking rack. After the delivery from the electrodeposition rack to the baking rack is completed, if the baking rack is set up, the magnet molded body is suspended from the hook. If the baking treatment is performed in this state by the baking treatment means, the method of the present invention can be carried out. Note that the opening operation means and the holding operation means may have different configurations,
It may be configured as a single device that serves both means as in the embodiment described later.

In such a magnet rust prevention apparatus of the present invention, if a heat-resistant cushion member is attached at least in the vicinity of the hook projecting position on the upper surface of the baking rack, electrodeposition coating can be performed when the magnet falls. The film is more suitable without being damaged. Further, as described in claim 4, by further changing the baking rack from a horizontal state to a hung state, the magnet molded body dropped on the baking rack by the dropping means is hung on the hook. When the hanging means and the carrying-in means for carrying the suspended baking rack into the baking processing means are provided, the baking processing step can be automated.
As described, if it is also provided with an electrodeposition rack transport / transfer means for transporting / delivering the electrodeposition rack between the electrodeposition rack disposing means and the electrodeposition processing tank, The entire baking process can be automated.

In the rust-proofing method and rust-proofing apparatus according to the present invention, an electrode claw set for holding the hollow cylindrical magnet molded body from two or more directions is particularly preferable. An electrodeposition rack having, an electrodeposition rack arranging means for arranging the electrodeposition rack with the electrode claws downward, and an electrodeposition rack arranged below the electrodeposition rack arranged in the electrodeposition rack arranging means, A baking rack having a hook protruding substantially at the center of the hollow cylindrical magnet molded body held by the electrode claw set, and an opening operation to the electrode claw set of the electrodeposition rack in a state where the baking rack is arranged. And a dropping unit for dropping the magnet molded body by performing the above-mentioned steps. It should be noted that, in this magnet molded body delivery apparatus, claim 7 also applies.
As described above, it is more preferable to attach a heat-resistant cushion member at least in the vicinity of the hook projecting position on the upper surface of the baking rack.

[0013]

EXAMPLES Next, examples will be described below to further clarify the present invention. FIG. 1 shows the overall configuration of the system according to the embodiment. The system according to the present embodiment includes a mounting device 5 that mounts a large number of Nd-Fe-B bonded magnet molded bodies (hereinafter, referred to as magnet molded bodies) 1 on a mounting rack 3 and mounts the magnet molded bodies 1. Mounting rack transport path 7 for transporting the mounted rack 3, a magnet molded body transfer device 9 provided at the tip of the mounting rack transport path 7, and a magnet molded body 1
A robot arm 13 for handling the rack, such as taking out the electrodeposited rack 11 with the electrode claws transferred thereto, and
Automated electrodeposition processing comprising an electrodeposition rack transport path 15 for transporting the electrodeposition rack 11 transferred from the robot arm 13 and an electrodeposition processing tank 17 disposed at the end of the electrodeposition rack transport path 15. It has a process. The transfer of the magnet molded body from the mounting rack 3 to the electrodeposition rack 11 is described in Japanese Patent Application No. 2-117238 (Japanese Unexamined Patent Application Publication No. 4-16421) previously filed by the applicant of the present application. "
The method described in (1) is used, and the details will be described later.

The system of this embodiment further automates the baking process for carrying the electrodeposited magnet compact 1 into the baking furnace 19. In this automated baking process, the processed electrodeposited rack 11 is returned along the return path of the electrodeposited rack transport path 15 described above, and the magnet formed body 1 after the electrodeposition process is removed by the robot arm 13. It starts by setting the receiving rack 11 together with the delivery device 9. The robot arm 13 also has the delivery device 9
Then, a work of setting a baking rack 21 with hooks to be described later is also performed. Then, the electrodeposition rack 1
After the magnet molded body 1 has been delivered from 1 to the baking rack 21, it is taken out again by the robot arm 13 and set in the baking rack transfer path 23 provided for transferring to the baking processing furnace 19.

First, details of the delivery device 9 will be described with reference to FIGS.
It will be described according to. The delivery device 9 includes a base 31, a fixed rack guide 33 mounted on the base 31 and capable of inserting the mounting rack 3 or the printing rack 21 from the front to a predetermined position, and a side of the fixed rack guide 33. And a movable rack guide 37 which can be moved up and down by being guided by the guide bar 35, and which can insert the electrodeposition rack 11 from the front to a predetermined position. A device (hereinafter, referred to as an opening / holding device) 39 is provided above the movable rack guide 37 to allow the electrode claws movable up and down while being guided by the guide bar 35 to perform the opening / holding operation of the magnet molded body. A hydraulic cylinder 43 suspended from a ceiling 41 above the guide bar 35 is attached to a side end of the movable rack guide 37 so as to function as a vertical moving means. Similarly, a hydraulic cylinder 45 suspended from the ceiling 41 is also provided at the center of the opening / holding device 39.
Is attached so as to function as a vertical movement means.

Here, the electrodeposition rack 11 has a large number of three sets (two not shown in the figure) of electrode claws 51 attached at predetermined intervals. Also, the electrodeposition rack 11 has
As shown in FIGS. 2 to 5, a circular hole 53 is provided at a position corresponding to the center of the electrode nail set 51. On the other hand, the opening / holding device 39 has a pipe 5 corresponding to the position of the circular hole 53.
5 is attached. A rubber balun 57 is attached to the lower end of the pipe 55. The balun 57 expands and contracts by a hydraulic operation from a hydraulic source (not shown). Due to the expansion / contraction operation of the balun 57 and the resiliency of each electrode claw of the electrode claw set 51, the electrode claw set 51 of the electrodeposition rack 11 performs the opening operation and the holding operation as shown in FIGS. Do it.

As shown in FIGS. 2, 3, and 6, the baking racks 21 are opened and released when they are mounted on the above-described delivery device 9 in the number and intervals corresponding to the electrode nail sets 51 of the electrodeposition rack 11. A molded body hook 61 is provided upright so as to be located immediately below the balun 57 of the holding device 39. Along the rows of the molded body hooks 61, silicone rubber cushion members 63 are attached in two rows each. Silicon rubber is used because it has both properties as a heat-resistant material and a cushioning material. The molded body hook 61 is formed by bending the tip with a thin wire having a circular cross section, and is entirely coated with Teflon (trade name).

Next, the procedure of the electrodeposition process centering on the transfer device 9 will be described with reference to FIG. First, the mounting rack 3 is mounted on the fixed rack guide 33 of the delivery device 9, and the electrodeposition rack 11 is mounted on the movable rack guide 37 with the electrode nail set 51 facing downward (illustration (A)). Next, the hydraulic cylinder 45 is extended, and the opening / holding device 39 is moved so that the balun 57 is positioned substantially at the center of the electrode claw set 51.
Is lowered (illustrated (B)). The control device (not shown) monitors whether or not it has descended to the predetermined position by a limit switch (not shown).

Next, hydraulic pressure is supplied from a hydraulic pressure source to
7 is expanded to bring the electrode nail set 51 of the electrodeposition rack 11 into an open state (illustration (C)). Then, the hydraulic cylinders 43 and the hydraulic cylinders 43 are extended in synchronization with each other, and the electrodeposition rack 11 and the opener 11 are opened until the electrode claw set 51 in the open state can hold the magnet molded body 1 on the mounting rack 3. -The holding device 39 is lowered (illustration (D)). Here, whether or not the vehicle has descended to the predetermined position is monitored via a limit switch (not shown).

When the lowering is completed, the hydraulic oil is discharged to shrink the balun 57, and the magnet molded body 1 is moved to the electrode claw set 5
It is held at 1 (illustration (E)). After this, the hydraulic cylinder 4
3, 45 are contracted to the initial state, and the electrodeposition rack 11 holding the magnet molded body 1 is brought into a state in which it can be taken out from the delivery device 9 (illustration (F)).

When the electrodeposited rack 11 holding the magnet molded body 1 is ready to be taken out of the delivery device 9 in this way, the fingers 13a of the robot arm 13 shown in FIG. Grasp the end and pull it out of the mobile rack guide 37. And wrist 13
By rotating b, the electrodeposition rack 11 is suspended vertically, the height position is adjusted by the arm 13c, and is transferred to the hook 15a of the electrodeposition rack transport path 15. And this hook 15
a is moved along the electrodeposition rack transport path 15 to above the electrodeposition treatment tank 17, where it is lowered to immerse the magnet forming body 1 together with the electrodeposition rack 11.

When the electrodeposition process is completed after a predetermined period of time, the hook 15a is raised and moved along the return path, and the robot arm 13 moves the electrodeposition rack 11 to the movable rack guide 37 of the delivery device 9. Set again. This is the baking process.

As shown in FIG. 8, the baking process is performed by attaching the baking rack 21 to the fixed rack guide 33 of the delivery device 9.
, And the state where the electrodeposition rack 11 is attached to the movable rack guide 37 with the electrode nail set 51 facing downward is started ((A) in the figure). From this state, the hydraulic cylinder 43 and the hydraulic cylinder 45 are extended, and the balun 57 is
The electrodeposition rack 11 and the opening / holding device 39 are moved down until the magnet molded body 1 held at the electrode claw set 51 reaches a predetermined height above the baking rack 21 (shown in the figure). (B)). Here, whether or not the vehicle has descended to the predetermined position is monitored via a limit switch (not shown).

When the lowering is completed, hydraulic oil is supplied to expand the balun 57, and the electrode claw set 51 performs an operation of opening the magnet molded body 1 (illustration (C)). Accordingly, the magnet molded body 1 falls onto the cushion member 63 of the baking rack 21 and is in a state where the molded body hook 61 is inserted into the hollow portion.

Thereafter, the hydraulic cylinders 43 and 45 are contracted to the initial state while maintaining the expanded state of the balun 57,
Magnet molding 1 from electrodeposition rack 11 to baking rack 21
Is completed ((D) in the figure). When the delivery of the magnet molded body 1 is completed in this way, the end of the printing rack 21 is gripped by the fingers 13a of the robot arm 13 shown in FIG. And wrist 13
The b is rotated so that the baking rack 21 is suspended vertically, the height position is adjusted with the arm 13c, and the baking rack 21 is transferred to the stand 23a of the baking rack transport path 23. Then, the stand 23a is transported along the baking rack transport path 23 into the baking furnace 19, and the magnet molding 1 together with the baking rack 21 is heated and held at about 150 ° C.

Through the above-described steps, the rust-proofing step for the bonded magnet in the system of the embodiment is completed. In this step, especially during the baking process, FIG.
As shown in (B), each magnet molding 1 is formed by a molding hook 61.
And no external force other than its own weight (small because it is a thin cylinder) is not applied, so that no deformation occurs during the baking process. Further, as shown in FIG. 5B, the magnet molded body 1 is only made to contact the molded body hook 61 at two points, and the molded body hook 61 is formed using a thin wire having a circular cross section. The contact area is also minimized. Therefore, there are no occurrences of defective printing. Further, when the magnet molding 1 is dropped from the electrodeposition rack 11, the cushion member 63 is placed on the baking rack 21.
Is provided, the impact at the time of dropping does not cause the paint adhered by the electrodeposition process to peel off or cause the molded article itself to be damaged. In addition, since the molded body hook 61 is coated with Teflon (trade name), the friction with the molded body hook 61 does not damage the magnet molded body 1 itself or its coating film.

Further, the mounting rack 3 to the electrodeposition rack 11
, A large number of molded magnets 1 can be automatically transferred from the electrodeposition rack 11 to the baking rack 21 by using the transfer device 9. Suitable for hiring inside. Further, since the robot arm 13 is installed near the transfer device 9, the transfer device 9 and each rack transport path 7, 15, 23
It is also excellent in that it can automate the delivery of the rack between the racks and minimize the need for manual intervention.

Although the embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and it goes without saying that the present invention can be realized in various modes without departing from the gist of the present invention. Nor. For example, without using the robot arm 13, the rack may be manually transferred between the transfer device 9 and each of the transport paths 7, 15, and 23. Further, the electrodeposition rack may be configured to hold the electrode claw set from the inside of the magnet molded body, or may be configured to hold the electrode claw set from inside and outside.

Further, as disclosed in Japanese Patent Application No. 2-117238 (Japanese Patent Application Laid-Open No. 4-16421), an opening / holding device having a projection on a truncated cone having a narrowed lower end is provided instead of a balun. It is also possible to adopt a configuration in which the interval between the electrode nail sets is widened by lowering the same, and restored by raising it. As the cushion member, silicone rubber may be adhered to the entire surface of the baking rack, or may be made of another material having heat resistance and buffer resistance.

In addition, the present invention is not limited to bond magnets, and may be applied to other types of cylindrical magnets.

[0031]

As described above, according to the method of the present invention for preventing rust on a magnet molded product, the magnet molded product is not subjected to a clamping force during the baking process, and the product is deformed. There is no. Further, the thickness of the coating film is constant because of the electrodeposition coating. In addition, since the magnet molded body is delivered by being dropped from the electrodeposition rack to the baking rack, the number of steps and steps are not increased. As a result, it is possible to mass-produce a magnet with good shape accuracy and high rust prevention effect at a low cost.

Further, according to the apparatus for preventing rust on a magnet molded article and the apparatus for delivering and receiving a magnet molded article of the present invention, the above-mentioned useful method of the present invention can be accurately carried out. According to the third and seventh aspects of the present invention in which a heat-resistant cushion member is attached to these, the electrodeposition coating film is more suitable without being damaged when dropped.

Further, according to the rust preventive treatment apparatus of the fourth aspect, the baking processing step can be automated, and according to the apparatus of the fifth aspect, the entire electrodeposition and baking processing step can be automated. it can.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an overall configuration of a rust prevention treatment system according to an embodiment.

FIG. 2 is a front view showing a delivery device used in the embodiment in a partial cross section.

FIG. 3 is a side view of a delivery device used in the embodiment, partially omitted and shown in cross section.

4 is a sectional view showing the structure and operation of an electrodeposition rack and an opening / holding device used in the embodiment together with FIG. 5;

5 is a sectional view showing the structure and operation of the electrodeposition rack and the opening / holding device used in the embodiment together with FIG. 4;

FIG. 6 is an explanatory view showing a structure of a baking rack used in the embodiment.

FIG. 7 is a schematic diagram showing an electrodeposition process of the rust prevention system of the embodiment.

FIG. 8 is a schematic view showing a baking treatment process of the rust prevention treatment system of the embodiment.

FIG. 9 is an explanatory diagram showing a conventional problem.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Magnet molded body, 3 ... Mounting rack, 5 ... Mounting device, 7 ... Mounting rack conveyance path, 9 ... Transfer device, 11 ... Electroplated rack, 13 ... Robot arm, 15 ... Electrodeposition rack transfer path, 15a ... Hook, 17 ... Electrodeposition treatment tank, 19 ... Baking treatment furnace,
21: baking rack, 23: baking rack conveyance path, 23a: stand, 31: base, 33
..Fixed rack guides, 35 ... guide bars, 37
... Movable rack guide, 39 ... Opening / holding device, 41 ... Ceiling, 43,45 ... Hydraulic cylinder, 51 ... Electrode claw set, 53 ... Circular hole, 55・ ・
Pipe, 57 ... balun, 61 ... molded body hook,
63 ... Cushion member.

Continuation of the front page (51) Int.Cl. ⁷ identification code FI C25D 13/00 303 C25D 13/00 303A 307 307D 17/08 17/08 G (56) References JP-A-4-16421 (JP, A) JP-A-2-166298 (JP, A) JP-A-5-81175 (JP, U) JP-A-4-37263 (JP, U) JP-A-59-88467 (JP, U) JP-A-58-31272 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) C23F 11/00 B22F 3/24 102 H01F 1 / 08,41 / 02 B65G 47/90 C25D 13 / 00,17 / 08

Claims (7)

(57) [Claims] 1. An electrodeposition treatment of a rust-preventive paint is applied to a hollow cylindrical magnet molded body held by electrode claws disposed on an electrodeposition rack, and a baking treatment is performed on the electrodeposited magnet molded body. In the method for rust-preventing a magnet molded body to be applied, after the electrodeposition treatment, the electrodeposition rack is held with the electrode nails down, and a hook facing the electrode nails is implanted below the electrode nails. The baking rack is disposed, the electrode claw is opened, the magnet molded body is dropped on the baking rack, and the baking rack is erected to suspend the magnet molded body on a hook. A rust prevention treatment method for a magnet molded body, characterized by performing a treatment. 2. An electrodeposition rack having mounting means for mounting a hollow cylindrical magnet molded body on an upper surface, an electrode claw set for holding the magnet molded body from two or more directions, An opening operation means for causing the electrode claw set to perform an operation of opening the magnet molded body; and an electroforming rack, which has been brought into the electrode claw opening operation state by the opening operation means, is mounted on the mounting means. Moving means for moving the body to a position that can be held by the electrode claw set; holding operation means for causing the electrode claw set to perform a holding operation at a position where the magnet molded body can be held; An electrodeposition rack in which an electrodeposition rack holding a magnet molded body is immersed to perform an electrodeposition treatment of a rust preventive paint on the magnet molded body, and baking treatment is performed on the magnetized body subjected to the electrodeposition treatment In a rust prevention treatment apparatus for a magnet molded body having a baking treatment means, Electrodeposition rack arranging means for arranging the electrodeposited rack holding the magnet formed body subjected to the electrodeposition treatment with the electrode claw set down, and an electrodeposition rack arranged in the electrodeposition rack arranging means. A baking rack provided below the loading rack and protruding from a hook positioned substantially at the center of the hollow cylindrical magnet molded body held by the electrode claw set; and A rust prevention treatment apparatus for a magnet molded body, comprising: drop means for causing an electrode claw set of a rack to perform an opening operation to drop the magnet molded body onto a baking rack. 3. The rust-prevention treatment apparatus for a magnet molded body according to claim 2, wherein a heat-resistant cushion member is attached at least in the vicinity of the hook projecting position on the upper surface of the baking rack. 4. The rust-prevention treatment apparatus for a magnet molded body according to claim 2, further comprising: changing the baking rack from a horizontal state to a suspended state, whereby the baking rack is dropped on the baking rack by the dropping means. A hanging means for suspending the magnet molded body suspended from the hook; and a carry-in means for carrying the baking rack in the suspended state into the baking processing means. Rust treatment device. 5. The rust-prevention treatment apparatus for a magnet molded body according to claim 2, further comprising the step of disposing the electrodeposition rack between the electrodeposition rack disposing means and the electrodeposition treatment tank. A rust-prevention treatment apparatus for a magnet molded body, further comprising an electrodeposition rack conveyance / delivery means for carrying / delivery by means of: 6. An electrodeposition rack having an electrode nail set for holding a hollow cylindrical magnet molded body from two or more directions, and an electrodeposition rack disposing the electrodeposition rack with the electrode nails down. Means, and a hook which is disposed below the electrodeposition rack provided in the electrodeposition rack disposing means and is located substantially at the center of the hollow cylindrical magnet molded body held by the electrode claw set. An apparatus for delivering a magnet molded body, comprising: a baking rack; and a dropping unit that causes an electrode claw set of the electrodeposition rack to perform an opening operation and drop the magnet molded body onto the baking rack when the baking rack is arranged. 7. The magnet molded body transfer device according to claim 6, wherein a heat-resistant cushion member is attached at least in the vicinity of the hook projecting position on the upper surface of the baking rack.