JPS6138946A - Automatic developing device - Google Patents

Abstract

PURPOSE:To prevent a driving part from corrosion by arranging a developer tank, a fixing solution tank and water washing tank successively correspondingly to respective lifting parts in the front-back direction of the lower half part of right and left side plates and converting these tanks with a dark room case. CONSTITUTION:Side plates 2a, 2b are oppositely planted on the right and left side parts of the back half part of a frame 1. The developer tank 12, the fixing solution tank 13 and the water washing tank 14 corresponding to respective lifting parts 91-94 are successively arranged on the lower part of the left and right side plates 2a, 2b and these tanks 12-14 are covered with the dark room case 30. At the use of the device, an X-ray film to be developed is set up on a clip 34 of a holding member 31 and a hanging balance 32 is hung on a suspending balance 11 by the operator's hand inserted into the dark room case 30. Then, a driving motor M is driven and the X-ray film P is dipped into the developer. The driving part is prevented from corrosion due to the adhersion of the developer and the fixing solution and the loss of durability.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Use The present invention relates to an automatic developing apparatus suitable for developing relatively large X-ray films for use in dentistry, medicine, or surgery.

Conventional Technology and Problems Conventionally, this type of automatic processor has a large number of long transfer rollers arranged in parallel on a plane along a transfer path that sequentially transfers the film to a developer tank, a fixer tank, and a washing tank. death.

In addition, the configuration was such that the rotational force of the drive motor was transmitted to these many transfer rollers via a transmission shaft, but according to this configuration, the structure was extremely complicated and increased in size.

Moreover, the cost is high, maintenance and inspection are troublesome, and since the roller drive section and the liquid tank section cannot be completely isolated, the developer and fixer may adhere to the drive section and corrode them. However, it had some drawbacks, such as poor durability (and short service life of the rollers disposed in the liquid).

Means for Solving the Problem Therefore, the present application has improved the above-mentioned defects.The gist of the present application is to install a drive motor to drive the upper half of each inner side of the left and right side plates facing each other upright on one frame. It consists of a transmission wheel, a plurality of guide wheels, and an endless transmission band continuously suspended from these, meandering in the front and rear direction and providing a conveyance mechanism in parallel with at least three elevating parts. With,
Suspension rods for supporting the film are installed at opposite positions of the left and right transmission bands, and a developer tank and a fixer tank are installed in the front-rear direction between the lower halves of the left and right side plates, corresponding to each lifting section. and a washing tank are arranged in sequence, and these are covered by a darkroom housing.

Embodiments and Functions The present invention is installed in a housing shaped like a dark room as a whole, and operations such as attaching and removing an X-ray film can be performed by hand with both arms inserted into the housing. The developing device is handled in the same manner as a conventional automatic developing device, and the embodiment is shown with the above-mentioned casing omitted.

As shown in FIG. 1, the device of the present application has side plates (2'a, ( 2To stands vertically facing each other.The left and right side plates (2ia, (2To) have transmission wheels (3),
(31 is provided, and this left and right transmission wheel (3L) is connected by a transmission shaft (41), and one drive wheel (3L
A drive wheel (chain wheel) (5j) connected to a drive wheel (chain wheel) (5j) is interlocked by a drive motor M with a reduction gear installed in the underframe (1) and a transmission belt (chain belt) (61).The left and right side plates +2, (on the upper half of the inner surface of 2To, as shown in FIG. It consists of a transmission wheel (3) and an endless transmission belt (FSI) that is continuously suspended from the guide wheels (711 to (7) 8).It meanders in the front-rear direction and has four lifting parts (9). 1 to (914) are arranged in parallel (If)la, (1
01b is provided, and a suspension rod α1 is horizontally suspended at an arbitrary position facing the endless transmission band (8j, (810) that constitutes the conveyance mechanism αQ'a, GOTo.The left and right side plates (2! Between the lower halves of a and (2'b), corresponding to each of the elevating parts (9)1 to (9)4, respectively.

A developer tank (L21, fixer tank 032, washing tank α4, and drying tank α) are sequentially arranged in the forward direction from the rear position, that is, along the moving direction of the transmission band (8).
Z, (131, (141 and (151) are all 4th
As shown in Figure 5, a pair of vertical rectangular side plates 115)
It consists of a bottom plate αG that closes the lower ends of these plates, and a pair of front and rear plates (t7) and a7)' extending in a widening shape from the center of this bottom plate Q6) facing the upper blade, respectively. The various Q2+ to (141) except the drying tank Q51 are provided with a discharge tube located at the end of the bottom plate, and the opening σ9 is located at the center of the bottom plate (16) of the drying tank (15). It is set up.

For each tank α2 to α small circle except for the drying tank 051.

As shown in FIG. 6, it is made of a long shaft member, and has a through hole 201 in the center and an overflow port 1211 opening on the outside perpendicular to the through hole a9 in the upper part.

A plug body (1!3) having a narrow diameter part 231' that fits tightly into the discharge pipe (18) at the lower end inserts the narrow diameter part (23+' into the discharge pipe (17) through an O-ring or the like). It is erected by tightly fitting.

On the upper surface of the underframe (1), each of the discharge tubes (181f,
There are a fitting hole (2) that fits tightly, and a through hole (2) that matches the opening 9, and the fitting hole (f2) in the underframe (1).
A liquid collection box (26) common to 41, and a drain pipe (8) connected to this.

A blower (28+) and a guide piece 4 are provided to guide the wind from the blower (281) to the opening α9.

In the middle of the figure is a darkroom casing, 31) is a film holding member consisting of a bar (3?) with hanging rods Q and clips provided at both ends, and P is an X-ray film.

However, when using the X-ray film P to be developed,
By inserting your arm into the darkroom housing (to) and operating it, attach it to the clip (b) of the holding member 01), and hook the hanging rod C32 to the hanging rod (11J) (Figure 2). .

Next, when the drive motor M is driven, the X-ray film P moves along with the hanging rod α1) along with the arrow a7 as the transmission band (8) travels.
The X-ray film P is immersed in the developer solution at the lowest position of the O♀ lifting section (9) 1 as it moves in the j direction.
Next, it is immersed in a fixing solution at the lowest level of the second elevating part (9) 2, then immersed in water at the lowest level of the third elevating part (9) 3, and finally in the drying tank αQ. After being kept dry by the wind from the blower (c) blowing up from below, it is guided to its original uppermost position, and in this way, by one run of the endless transmission belt (81),
The entire development process for L sheets of X-ray film P is completed.

In the above, 1, for example, the installation f1! However, it is common for liquid to overflow from the cypress when external vibrations are activated, such as when the cylinder is completely moved, or when liquid is supplied into the tank.

In such a case, the liquid is stored in the liquid storage box Ce from the overflow port (21+) of the stopper θ through the through hole (A), and there is no risk of contaminating the inside of the device, and the used 6 liquids are After the liquid is stored in the liquid collection box ■ by removing the stopper, drain the liquid from the drain pipe (2).
71t- is discharged to the outside.

Although not shown, when the suspension rod αυ reaches the lowest position in each of the lifting sections (9) 1 to (9) 4, a conventional electric control circuit, for example, using a timer, causes the transmission band (
The traveling movement of step 8) is temporarily stopped, that is, for the time required for development, fixing, washing, and drying.

Furthermore, in the above, the drying tank 051 is not necessarily required, so it is of course possible to omit the provision of the drying tank (151) and dry the relevant part.

Effects of the Invention By reading the present invention diagonally above, many long ropes in the conventional structure can be omitted, resulting in a simpler structure with fewer breakdowns and greater durability, as well as easier maintenance and inspection. It can be done easily and also during the transport process of X-ray film.

Since there is no part that comes into contact with the film, there is no risk of damage to the developed film, making it particularly effective for automatic development loading of large format X-ray films.

4 fF of the drawing! The explanatory drawings show an embodiment of the present application, and FIG. 1 is a partially cutaway plan view with the darkroom housing omitted, FIG. 2 is a partially cutaway front view of the same, and FIG. 3 is a partially cutaway plan view of the same. 4 is a plan view of the Japanese cypress, FIG. 5 is a sectional view taken along the line A--A, and FIG. 6 is a vertical sectional view of the stopper.

In the figure, (1) is the underframe, (21B, (2To is the side plate, (3
) is a transmission wheel, (4j is a transmission wheel, 1M is a drive motor, (7
11~(The recitation is the guide wheel, (8) is the transmission band, (911~(
914 is the lifting part, QO)a, (101b is the conveyance mechanism, 01) is the hanging rod, (121 is the developer tank, '(131)
is the fixer tank, α4 is the washing tank, Q51 is the drying tank, α barrel is the discharge tube, and α9 is the opening.

In (c), one example of the plug is a fitting hole, (29 is a through hole, and the mother is a liquid collection box.

+281 is a blower, and ■ is a darkroom housing.

Patent applicant: Yoshida Seisakusho Co., Ltd. Figure 3 Figure 4 Figure 5 Figure 6

Claims (5)

[Claims] (1) A transmission wheel driven by a drive motor, a plurality of guide wheels, and an endless shape continuously suspended on the upper half of each inner side of the opposing left and right side plates erected on the underframe. transmission bands, each of which is provided with a conveyance mechanism that meanders in the front-rear direction and has at least three parallel elevating parts, and hanging rods for supporting the film are installed at opposing positions of the left and right transmission bands, and A developer tank, a fixer tank, and a washing tank are sequentially arranged in the front-rear direction between the lower halves of the left and right side plates, corresponding to each lifting section, and these are covered by a darkroom housing. Automatic developing device. (2) The automatic developing device according to claim 1, wherein the transmission wheel is a chain wheel, and the transmission band is a chain belt. (3) A transmission wheel driven by a drive motor, a plurality of guide wheels, and an endless shape continuously suspended on the upper half of each inner side of the opposing left and right side plates erected on the underframe. transmission belts, each of which is provided with a conveyance mechanism in which four elevating sections are arranged in parallel in a meandering direction in the front and back direction, and hanging rods for supporting the film are attached to opposing positions of the left and right transmission bands, and A developing solution tank, a fixing solution tank, a washing tank, and a drying tank or drying section are sequentially arranged in the front-rear direction between the lower half of the side plate corresponding to each lifting section, and these are connected to the darkroom housing. An automatic developing apparatus characterized in that the automatic developing apparatus is further equipped with an air blower for blowing air into the drying tank or the drying section. (4) The automatic developing device according to claim 3, wherein the transmission wheel is a chain wheel, and the transmission band is a chain belt. (5) The automatic developing device according to claim 3 or 4, wherein the drive motor and the blower are installed in the underframe.