JP2012184460A - Barrel device for plating - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a barrel device for plating constituted by fitting both the end parts of a peripheral wall panel between adjacent coupling frames in which the rattling of the peripheral wall panel is reduced, the quality of plating processing is improved, and further attaching strength is raised.SOLUTION: In the barrel device for plating in which a polygonal columnar shape barrel frame is constituted by coupling and fixing a pair of opposite panels 2 facing on a barrel shaft by a plurality of rod-like coupling frames 3A, 3B lined around the barrel shaft, engaging grooves 22 extending in a barrel shaft direction are formed in the opposite surfaces of the adjacent coupling frames 3A, 3B respectively, peripheral wall panels 7 are fitted into the engaging grooves 22, regulating sections for regulating the movement of the peripheral wall panels 7 and constituted by inserting the regulating rods 24 into an inserting holes 23 are arranged in mutual contact or approaching surfaces defining the borders of the peripheral wall panel 7 end parts inserted into the engaging grooves 22 and the engaging grooves 22 when fitting the peripheral wall panels 7 between the coupling frames 3A, 3B.

Description

  The present invention relates to a plating barrel apparatus that performs a plating process.

  One of the parts to be plated, such as electronic parts, to be plated is equipped with a barrel in which the work is stored and an electrode provided in the barrel. The barrel is immersed in a plating solution and plated. A voltage is applied between the electrode in the liquid and the electrode in the barrel, and the barrel is rotationally driven around the same axis as the barrel axis or a rotation axis inclined with respect to the barrel axis. Conventionally, a plating barrel apparatus for performing plating is known.

  In addition, as a kind of such a barrel apparatus for plating, a pair of opposed panels opposed on the barrel shaft are connected and fixed by a plurality of rod-shaped connection frames arranged around the barrel shaft, so that a prismatic barrel frame is obtained. Are formed on the opposing surfaces of the adjacent connecting frames, and are provided with peripheral wall panels that are fitted between the adjacent connecting frames, and the peripheral wall panels between the adjacent connecting frames are provided. In order to fit, a plating barrel device shown in Patent Document 1 in which both end portions of the peripheral wall panel on the side of the connecting frame are fitted and inserted into the engaging grooves of the adjacent connecting frames is known.

Sho58-181899 (Fig. 1-2)

  Since the peripheral wall panel is attached to the barrel frame by the locking groove formed in the rod-shaped connecting frame constituting the barrel frame, the plating barrel device of the above document is provided with a member for attaching the peripheral wall panel to the barrel frame side. There is no need to prepare separately, the number of parts can be reduced, and the cost can be kept low, while a gap is formed between the end of the peripheral wall panel inserted into the locking groove and the locking groove. In addition, the gap causes play in the peripheral wall panel, which may reduce the quality of the plating process and also reduce the strength. This problem becomes particularly significant when the peripheral wall panel cannot be bonded to the barrel frame.

  The present invention relates to a plating barrel apparatus in which a peripheral wall panel is fitted between adjacent connection frames by inserting both end portions of a rectangular peripheral wall panel into a locking groove of an adjacent connection frame. It is an object of the present invention to provide a plating barrel apparatus that can reduce the backlash, improve the quality of the plating process, and improve the mounting strength.

  In order to solve the above problem, first, a pair of opposing panels 2 and 2 facing each other on the barrel axis Y are coupled and fixed by a plurality of rod-shaped coupling frames 3A and 3B arranged around the barrel axis Y. , A prismatic barrel frame 4 is formed, and locking grooves 22 extending along the barrel axis Y direction are formed on the opposing surfaces of the adjacent connecting frames 3A and 3B, respectively, and fitted between the adjacent connecting frames 3A and 3B. The peripheral wall panel 7 is provided, and when the peripheral wall panel 7 is fitted between the adjacent connecting frames 3A and 3B, both ends of the peripheral wall panel 7 on the side of the connecting frames 3A and 3B are connected to the engaging grooves of the adjacent connecting frames 3A and 3B. 22 and 22 are plating barrel devices that are fitted and inserted respectively into the peripheral wall panel 7 inserted into the locking groove 22 when the peripheral wall panel 7 is fitted between the connecting frames 3A and 3B. In this case, a restricting portion for restricting the movement of the peripheral wall panel 7 in a direction in which the surfaces deviate from each other is provided at the contact or proximity surface that forms the boundary between the end portion of the lug 7 and the locking groove 22. .

  Second, the restriction portion is formed on the side surface side of the locking groove 22.

  3rdly, the said control part is formed in the side surface side of the side close | similar to or contacting the outer wall surface of the surrounding wall panel 7 in the latching groove | channel 22.

  Fourth, the peripheral wall panel 7 end inserted into the locking groove 22 and the surface of the locking groove 22 in contact with each other or close to each other so that the insertion portion 23 along the barrel axis Y direction is formed at the boundary. The control rod 24 is formed by forming recesses 7a and 22a along the barrel axis Y direction, and being fitted into the insertion portion 23 when the peripheral wall panel 7 is fitted between the connecting frames 3A and 3B. And the restriction part is configured.

  Fifth, the end portion of the peripheral wall panel 7 and the recesses 7a and 22a of the locking groove 22 are formed in an arcuate shape so that the insertion portion 23 has a circular shape in cross section, and the regulation rod 24 is formed in a round bar shape. It is characterized by that.

  Sixth, the end portion of the peripheral wall panel 7 and the recesses 7a and 22a of the locking groove 22 are formed in the same shape of semicircular arc surface.

  Seventhly, the locking groove 22 is formed to have a length from one end to the other end of the coupling frames 3A and 3B, and the recess 22a is formed over the entire locking groove 22.

  Eighth, the entire length of the peripheral wall panel 7 is set to be substantially the same as the total length of the connection frames 3A and 3B, and the concave portion 7a is formed over the entire direction of the peripheral wall panel 7.

  Ninth, the total length of the insertion portion 23 and the total length of the regulating rod 24 are set to be substantially the same length.

  Tenth, fitting portions 7b and 22b that are concavo-convexly fitted are formed on the surfaces of the end portion of the peripheral wall panel 7 inserted into the locking groove 22 and the surface of the locking groove 22 that are in contact with each other or close to each other. Further, the fitting portion 7b, 22b of the locking groove 22 constitutes the restriction portion.

  According to the above configuration, when the peripheral wall panel is fitted between the connecting frames, the end portions of the peripheral wall panel inserted in the locking groove and the mutual contact or proximity surface that forms a boundary between the locking groove, Since the restricting portion for restricting the movement of the peripheral wall panel in the direction of shifting is provided, the restriction of the movement suppresses the play of the peripheral wall panel, improves the quality of the plating process, and increases the mounting strength.

  Further, if the restricting portion is formed on the side surface of the engaging groove, the restricting rod inserted into the inserting portion moves the engaging groove in the engaging groove recess direction in the peripheral wall panel in which both end portions are engaged with the engaging groove. Is regulated. For this reason, it is not necessary to form the size of the locking groove with high accuracy so that the distance between the both ends of the connecting wall side of the peripheral wall panel and the distance between the bottoms of the locking grooves facing each other is substantially the same. The backlash of the peripheral wall panel in the direction can be effectively prevented.

  Further, a recess along the barrel axial direction is formed on the surface of the peripheral wall panel end inserted into the locking groove and the surface of the locking groove that are in contact with or close to each other so that an insertion portion along the barrel axial direction is formed at the boundary. The restriction portion can be configured without requiring high-precision molding by the restriction rod inserted into the insertion portion when the peripheral wall panel is fitted between the connecting frames and the insertion portion. Yes, both cost reduction and play of the peripheral wall panel can be reduced.

  Further, if the peripheral wall panel end and the recess of the locking groove are formed in an arcuate surface shape so that the insertion portion is circular in cross section, and the restriction rod is formed in a round shape, the orientation of the restriction rod around the axis The insertion rod can be fitted and inserted into the insertion portion without matching, and workability is improved.

  In addition, a fitting portion for engaging the concave and convex portions is formed on the surface of the peripheral wall panel inserted into the locking groove and the surface of the locking groove in contact with each other or close to each other, and the fitting portion of the peripheral wall panel and the locking groove is used. If the restricting portion is configured, it is not necessary to separately provide members other than the peripheral wall panel and the locking groove, and the number of parts can be reduced.

It is a sectional side view which shows the principal part structure of the barrel apparatus for plating to which this invention is applied. It is a top view which shows the principal part structure of the barrel apparatus for plating to which this invention is applied. It is a front view which shows the principal part structure of the barrel apparatus for plating to which this invention is applied. (A) is explanatory drawing which shows the structure of a surrounding wall panel, (B) is explanatory drawing which shows the structure of a control rod. (A), (B) is the principal part side view and principal part perspective view which show the state which inserts a surrounding wall panel between horizontal frames, respectively. It is sectional drawing which shows the state by which the surrounding wall panel was fitted by the locking groove of the horizontal frame. (A) is explanatory drawing which shows the state which attaches a horizontal frame to a side frame, (B) is a principal part perspective view of (A). It is principal part sectional drawing which shows another embodiment of this invention.

Embodiments of the present invention will be described below based on the illustrated example.
1 to 3 are a side cross-sectional view, a plan view, and a front view showing a main configuration of a plating barrel apparatus to which the present invention is applied. The plating barrel apparatus includes a barrel 1 formed in a prismatic shape (in the illustrated example, a hexagonal prism shape), a cathode (not shown) that is an electrode provided in the barrel 1, and the barrel 1 is rotated in a lateral direction. A support mechanism (not shown) that supports the shaft X so as to be rotatable, an anode (not shown) that is an electrode provided in a plating solution in which a part or all of the barrel 1 is immersed, and a cathode and an anode. And a power supply device (not shown) for applying a voltage therebetween.

  The barrel 1 includes various members made of a synthetic resin (more specifically, polypropylene) that is an insulator that does not corrode even when immersed in a plating solution and does not conduct electricity. In the illustrated example, the barrel axis Y that is the axis of the prismatic barrel 1 is the same axis as the rotation axis X described above, but the barrel axis Y is inclined by a predetermined angle with respect to the rotation axis X. You may let them.

  If the barrel 1 containing a workpiece (not shown) that is an object to be plated inside is immersed in the plating solution, a voltage is applied between the anode and the cathode, and it is driven to rotate around the rotation axis X, Plate the workpiece. Thus, by rotating the barrel 1 during the plating process, the workpieces are agitated in the barrel 1 and the workpieces are prevented from being overlapped or stuck together. It becomes possible.

Next, the configuration of the barrel 1 will be described in detail with reference to FIGS.
The barrel 1 is constructed and fixed between a pair of side frames (opposite panels) 2 and 2 facing each other in parallel on the barrel axis Y, and between the pair of side frames 2 and 2, and around the axis of the barrel axis Y at predetermined intervals. A rectangular columnar barrel frame 4 is constituted by three or more (six in the illustrated example) bar-shaped horizontal frames (connecting frames) 3A, 3A, 3B, 3B, 3B, 3B, which are prismatic. An opening panel 6 is fitted and fixed to one of a plurality of side surfaces of the barrel frame 4 forming the above, and a peripheral wall panel 7 is fitted and fixed to each of the other side surfaces.

  Each of the side frames 2 is made of a synthetic resin and is formed in a disc shape perpendicular to the barrel axis Y direction. The barrel axis Y is located at the center of the disc-shaped side frame 2. Cylindrical bearings 8 and 8 having the same axis as the rotation axis X and the barrel axis Y are disposed at the center of the non-opposing surface, which is the surface opposite to the surface facing each other of the pair of side frames 2 and 2. Are provided so as to extend away from each other.

  Specifically, a cylindrical bearing portion 8, 8 having both ends opened is inserted in the center portion of each side frame 2, and each cylindrical bearing portion 8 is provided. An insertion portion 8a for inserting a support shaft (not shown) on the support mechanism side is formed on the inner peripheral side.

  Then, by inserting a pair of support shafts (not shown) having the same axial center as the rotation axis X provided in the support mechanism into the insertion portions 8a and 8a of the bearing portions 8 and 8, respectively, the barrel 1 is rotated. It is supported rotatably around the X axis. In other words, the rotation axis X described above is formed by the support structure. One side frame 2 is integrally provided with a circular transmission gear 2a whose center is located on the rotation axis X so as to be overlapped with each other, and power is transmitted to the transmission gear 2a. As a result, the barrel 1 is rotationally driven.

  The horizontal frames 3A and 3B are made of synthetic resin and are formed in parallel with the barrel axis Y, and two types of opening side horizontal frame 3A and peripheral wall side horizontal frame 3B are prepared.

  A pair of the opening side horizontal frames 3A is provided, and is formed between the pair of horizontal frames 3A and 3A in a rectangular frame shape in which the barrel axis Y direction is the longitudinal direction, and the entire center side is opened. The opening panel 6 is fitted and fixed.

  Specifically, fitting grooves 9 and 9 that are recessed in a direction away from each other are formed on end surfaces of the pair of opening-side horizontal frames 3A and 3A that face each other, and both ends in the width direction of the opening panel 6 The opening panel 6 is inserted between the pair of opening side horizontal frames 3A and 3A along the barrel axis Y direction so as to be fitted and inserted into the fitting grooves 9 and 9, respectively. 6 is fitted between the pair of opening side horizontal frames 3A and 3A.

  Further, the workpiece is taken in and out from the opening portion of the opening panel 6, and the opening portion is opened and closed by attaching and detaching the closing lid 11 to the opening panel 6. The closing lid 11 is integrally formed of a synthetic resin member, and is provided with a plurality of rectangular liquid flow windows 11a configured by forming a large number of circular holes.

  Incidentally, the opening side horizontal frame 3A is formed with an extending portion 12 protruding outward in the vertical direction with respect to the opening surface of the opening panel 6 over the entire length direction. A locking mechanism 13 that locks the opening portion of the opening panel 6 in a state in which the opening portion of the opening panel 6 is closed by the closing lid 11, on the pair of opposing extending portions 12 and 12, the left and right side frames 2 and 2, and the closing lid 11. Is provided.

  Specifically, the lock mechanism 13 is configured such that a plurality of plate-like lock members 14 and 16 are rotatably attached to the closing lid 11, and the lock members 14 and 16 are inserted into and removed from the side frame 2 and the extension portion 12. The lock holes 2b and 12a are respectively formed, and a fixing member 17 is provided for each of the lock members 14 and 16 to fix the lock members 14 and 16 at a predetermined rotational position.

  More specifically, the lock members 14 and 16 made of synthetic resin are provided between the end-side lock members 14 and 14 provided one by one on the pair of side frames 2 and between the pair of end-side lock members 14 and 14. There are two types, the central side locking member 16 sandwiched between the two. Each end-side lock member 14 is formed in a T shape extending to the side frame 2 on the near side and the pair of opposing extending portions 12. The center side locking member 16 is formed in a straight line extending to the pair of extending portions 12. Corresponding to the shape of these lock members 14 and 16, each extension portion 12 is provided with three lock holes 12a, and each side frame 2 is provided with one lock 2b.

  When the lock members 14 and 16 are rotated to one side (lock side), the extended portions of the lock member 14 are inserted into the lock holes 12a, 12a and 2b from the rotation direction, respectively, and from there When the lock members 14 and 16 are rotated to the lock side to a predetermined rotation position (lock position), the end-side lock member is brought into contact with the end surfaces of the lock holes 12a and 12a and thus rotated to the lock position. When 14 and 16 are rotated to the other side (the lock release side), the three extending portions are rotated to the rotation positions (lock release positions) where they are extracted from the lock holes 12a, 12a and 2b, respectively.

  Then, when the lock members 14 and 16 positioned at the lock position are fixed at the rotation position by the synthetic resin fixing member 17, the closing lid 11 has a pair of extending portions 12 and 12 and a pair of side frames. By being fitted and fixed so as to be surrounded by 2 and 2, the opening portion of the opening panel 6 is locked in a state of being closed by the closing lid 11, while the fixing by the fixing member 17 is released and each locking member is released. When 14 and 16 are rotated to the unlocking position, the closing lid 11 is brought into an unlocked state where it can be removed from the fitting position.

  Incidentally, in order to realize the above-described configuration, the lock holes 12a and 12a of the extending portion 12 are formed so as to extend from the lock position of the lock members 14 and 16 to be inserted / removed to the tangential lock release side.

  In addition, a pressing member 18 that advances and retreats with respect to the opening panel 6 is screw-engaged with a portion of each end-side lock member 14 that extends toward the side frame 2. 11 is pressed to the opening panel 6 side, and the pressing of the closing lid 11 to the opening panel 6 is released by releasing the screw tightening. By the pressing of the pair of pressing members 18, 18, the closing lid 11 is fitted and fixed to one side surface of the barrel frame 4 without rebounding.

  4A is an explanatory view showing the structure of the peripheral wall panel, FIG. 4B is an explanatory view showing the structure of the regulating rod, and FIGS. 5A and 5B each show the peripheral wall panel between the horizontal frames. FIG. 6 is a cross-sectional view showing a state in which the peripheral wall panel is fitted in the locking groove of the horizontal frame.

  The peripheral wall panel 7 has an overall length slightly longer than the distance from one of the pair of side frames 2 and 2 to the other, and a pair of horizontal frames 3A and 3B (an adjacent opening side horizontal frame 3A and the peripheral wall side) This is a synthetic resin member formed into a rectangular plate shape having a width slightly wider than the distance between the horizontal frame 3B or adjacent peripheral wall side horizontal frames 3B, 3B).

  The peripheral wall panel 7 is formed with a plurality of (specifically, many) circular holes 19 throughout to ensure liquid permeability, and the outer surface of the peripheral wall panel 7 (surface far from the barrel axis Y). Concave portions 7a and 7a parallel to the barrel axis Y are formed at both ends in the width direction over the entire length direction. Each of the recesses 7a is formed in a semicircular shape in cross section.

  On the other hand, the above-mentioned peripheral wall side horizontal frame 3B is formed in a quadrangular prism shape having a square cross section, and one of the four side surfaces of the peripheral wall side horizontal frame 3B is directed to the barrel axis Y side (inside the barrel frame 4). And an arcuate surface 21 that rises toward the barrel axis Y (center portion in the barrel frame 4).

  Further, on the opposing end surfaces (opposing surfaces) of the adjacent opening-side horizontal frame 3A and peripheral wall-side horizontal frame 3B, locking grooves 22 and 22 that are recessed in a cross-sectional view are formed on the barrel shaft Y. In parallel with the direction, the entire length direction is recessed. In addition to this, locking grooves 22, 22 that are recessed in the cross-sectional view are also formed on the barrel axis Y on the opposing end surfaces (opposing surfaces) of the adjacent peripheral wall side horizontal frames 3 B, 3 B. In parallel with the direction, the entire length direction is recessed.

  More specifically, each of the locking grooves 22 includes a bottom surface, an outer side surface (side surface) that is close to or in contact with the outer surface of the peripheral wall panel 7, and an inner surface of the peripheral wall panel 7 (surface on the side close to the barrel axis Y). ) And an inner side surface (side surface) which is a surface close to or in contact with. On the outer side surface of each locking groove 22, a recess 22 a having the same shape as the above-described recess 7 a and extending in parallel with the barrel axis Y is formed over the entire length of the locking groove 22.

  With such a configuration, the adjacent horizontal frames 3A and 3B (the opening side horizontal frame 3A and the peripheral wall side horizontal frame 3B or the adjacent peripheral wall side horizontal frames 3A and 3A) have the bottom surfaces of the locking grooves 22 and 22 respectively. Oppositely parallel to each other, the circumferential wall panel 7 is adjacent to the pair of locking grooves 22 and 22 so that both ends in the width direction of the circumferential wall panel 7 (both ends on the connecting frame side) are fitted and inserted. The peripheral wall panel 7 is fitted between the adjacent horizontal frames 3A and 3B by sliding and inserting between the horizontal frames 3A and 3B along the barrel axis Y direction.

  When the peripheral wall panel 7 is fitted between the horizontal frames 3A and 3B, the semicircular arc-shaped concave portion 22a of the locking groove 22 and the semicircular arc-shaped concave portion 7a of the peripheral wall panel 7 are in the cross sectional view. The recesses 7a and 22a are arranged and arranged so as to be located symmetrically across the boundary between the outer side surface of the 22 and the outer surface of the peripheral wall panel 7, whereby the two recesses 7a and 22 have a circular insertion hole in a sectional view. (Insert part) 23 is formed. The insertion hole 23 is formed over the entire length of the peripheral wall panel 7 and the lateral frames 3A and 3B in the above-described configuration. The insertion hole 23 is a cylindrical (on a round bar) regulating rod 24 made of synthetic resin. Is inserted in a fitted state.

  In this way, when the restriction bar 24 is fitted and inserted into the insertion hole 23 formed at the boundary between the peripheral wall panel 7 and the locking groove 22, the movement of the peripheral wall panel 7 in its width direction is restricted. In this state, it is stably fitted and fixed between the adjacent horizontal frames 3A and 3B.

  That is, the insertion hole 23 and the regulation rod 24 are in contact with each other or adjacent surfaces (specifically, the boundary between the end of the peripheral wall panel 7 inserted into the locking groove 22 and the locking groove 22 (specifically, Further, the movement of the peripheral wall panel 7 in a direction (specifically, the width direction of the peripheral wall panel 7) provided on the outer surface of the peripheral wall panel 7 and the outer side surface of the locking groove 22 is shifted. It constitutes the regulation section.

  At this time, the total length of the horizontal frames 3A and 3B, the length of the peripheral wall panel 7 in the longitudinal direction, and the total length of the regulating rod 24 are set to be the same or substantially the same, and the locking groove 22 is also formed on the horizontal frames 3A and 3B. The length is set from one end to the other end, and the two types of recesses 7 a and 22 a are also formed over the entire length of the peripheral wall panel 7 and the locking groove 22. For this reason, the assembly of the barrel 1 is completed with the both ends in the full length direction of the peripheral wall panel 7, the both ends in the full length direction of the horizontal frames 3A and 3B, and the both ends in the full length direction of the regulating rod 24 all being aligned.

Next, the assembly process of the barrel 1 will be described with reference to FIGS.
FIG. 7A is an explanatory view showing a state in which the horizontal frame is assembled to the side frame, and FIG. 7B is a perspective view of the main part of FIG. First, the assembly work of each horizontal frame 3A, 3B to one side frame 2 is performed.

  Note that a fitting groove 26 for fitting and positioning one end side of the lateral frames 3A and 3B and one end side of the peripheral wall panel 7 is formed in the surface of each side frame 2 facing the other side frame 2 in a recessed manner. Yes. The fitting groove 26 is formed in a polygonal shape along the cross-sectional shape of the barrel 1. A frame fitting portion 26a for fitting one end side of the horizontal frames 3A and 3B is formed at each apex portion of the polygonal fitting groove 26, and an opening panel 6 and a peripheral wall panel are formed at each side portion. A panel fitting portion 26b for fitting one end side of 7 is formed, and the two types of fitting portions 26a and 26b are set to the same depth.

  The fitting groove 26 is formed with the bolt 27 in a state in which one end side of each corresponding horizontal frame 3A, 3B is fitted and inserted into each frame fitting portion 26a of one side frame 2. The bolt 27 inserted through the side frame 2 in this way is inserted into the axial screw hole 28 formed on the one end side of the horizontal frames 3A and 3B. The horizontal frames 3A and 3B are attached and fixed to the side frames 2 by engaging with screws and tightening and fixing.

  Subsequently, as shown in FIG. 5, the opening panel 6 is inserted and inserted along the barrel axis Y direction between the adjacent opening side horizontal frames 3A, 3A, and the adjacent opening side horizontal frame 3A and the peripheral wall side horizontal The peripheral wall panel 7 is inserted and inserted along the barrel axis Y direction between the frame 3B and between the adjacent peripheral wall side horizontal frames 3B and 3B.

  Subsequently, by sliding the opening panel 6 and one end side of each peripheral wall panel 7 to a position where the one side frame 2 is fitted and inserted into the corresponding panel fitting portion 26b, the adjacent horizontal frames 3A, Between 3B, the opening panel 6 and each surrounding wall panel 7 are engage | inserted. At this time, the inner surfaces of the adjacent peripheral wall panels 7 and 7 are smoothly connected by the circular arc surface of the horizontal frame 3B to improve the quality of work during the plating process.

  Subsequently, the entire restriction rod 24 is fitted and inserted into each insertion hole 23 formed by the locking groove 22 and the peripheral wall panel 7, and the restriction rod 24 is attached by resistance heat or the like when energized as necessary. It melts and performs resin welding, or proceeds to the next step while maintaining the state immediately after the entire restriction rod 24 is fitted and inserted into the insertion hole 23.

  Subsequently, the frame fitting portions 26a and the panel fitting portions 26b of the fitting grooves 26 of the other side frame 2 are connected to the other end side of the opening panel 6, the other end side of each peripheral wall panel 7, and each horizontal frame 3A. , 3B are fitted to each other, and finally, the lateral frames 3A, 3B are attached and fixed to the other side frame 2 using the bolts 27 and the screw holes 28 in the same manner as described above. By doing so, the whole outlines of the barrel 1 and the barrel frame 4 are determined, and the entire assembling work is substantially completed. Incidentally, if necessary, the joints of the respective members are smoothly joined by welding with a synthetic resin.

Next, based on FIG. 8, a different point from the above-mentioned example is demonstrated about another embodiment of this invention.
FIG. 8 is a cross-sectional view of a main part showing another embodiment of the present invention. As shown in the figure, a concave fitting part (fitting part) 7b parallel to the barrel axis Y direction is formed on the outer surface of the peripheral wall panel 7, while a barrel axis Y direction is formed on the outer side surface of the locking groove 22. The convex fitting part (fitting part) 22b parallel to is formed. Incidentally, the convex fitting portion 22b is formed at a position where the concave fitting portion 7b of the peripheral wall panel 7 is located when the peripheral wall panel 7 is fitted and fixed.

  Then, when the end portion of the peripheral wall panel 7 is slid into the locking groove 22 along the barrel axis Y direction, the concave fitting portion 7b and the convex fitting portion 22b are concavo-convexly fitted, and the width of the peripheral wall panel 7 is reached. Movement in the direction is restricted and the state is reached. That is, the fitting part 7a, 22b of the peripheral wall panel 7 and the locking groove 22 constitutes the above-described restricting part that restricts movement of the peripheral wall panel 7 in the width direction.

  In addition, you may reverse the unevenness | corrugation of this pair of fitting part 7b, 22b. That is, the fitting portion 7b on the peripheral wall panel 7 side may be formed in a convex shape, and the fitting portion 22b on the locking groove 22 side may be formed in a concave shape.

1 Barrel 2 Side frame (opposite panel)
2a Transmission gear 2b Lock hole 3A Open side horizontal frame (connecting frame, horizontal frame)
3B Perimeter wall side horizontal frame (connecting frame, horizontal frame)
4 Barrel frame 6 Open panel 7 Perimeter wall panel 7a Concave part 7b Concave fitting part (fitting part)
DESCRIPTION OF SYMBOLS 8 Bearing part 8a Insertion part 9 Fitting groove 11 Closure lid 11a Liquid passing window 12 Extension part 12a Lock hole 13 Lock mechanism 14 End side lock member (lock member)
16 Center side lock member (lock member)
17 fixing member 18 pressing member 19 hole 21 arc surface 22 locking groove 22a concave portion 22b convex fitting portion (fitting portion)
23 Insertion hole (insertion part)
24 regulating rod 26 fitting groove 26a frame fitting portion 26b panel fitting portion 27 bolt 28 screw hole X rotating shaft Y barrel shaft

Claims (10)

  A pair of opposing panels (2), (2) facing each other on the barrel shaft (Y) are connected and fixed by a plurality of rod-shaped connection frames (3A), (3B) arranged around the barrel shaft (Y). Thus, a prismatic barrel frame (4) is formed, and locking grooves (22) extending along the barrel axis (Y) direction are formed on opposing surfaces of the adjacent connecting frames (3A) and (3B), respectively. The peripheral wall panel (7) to be fitted between the adjacent connecting frames (3A) and (3B) is provided, and when the peripheral wall panel (7) is fitted between the adjacent connecting frames (3A) and (3B), the peripheral wall panel ( 7) The connecting frame (3A) and (3B) side end portions of 7) are inserted into the engaging grooves (22) and (22) of the adjacent connecting frames (3A) and (3B), respectively. Barrel device for the peripheral wall panel (7) At the time of fitting between the connecting frames (3A) and (3B), contact between the ends of the peripheral wall panel (7) inserted in the locking groove (22) and the locking groove (22) or A plating barrel apparatus in which a restricting portion for restricting the movement of the peripheral wall panel (7) in a direction in which the surfaces are displaced from each other is provided on the adjacent surface.   The plating barrel device according to claim 1, wherein the restricting portion is formed on a side surface side of the locking groove.   3. The plating barrel device according to claim 2, wherein the restricting portion is formed on a side surface of the locking groove (22) that is close to or in contact with the outer surface of the peripheral wall panel (7).   The end portion of the peripheral wall panel (7) and the locking groove (22) inserted into the locking groove (22) are formed so that the insertion portion (23) along the barrel axis (Y) direction is formed at the boundary. Recesses (7a) and (22a) along the barrel axis (Y) direction are formed on the contact or adjacent surfaces, respectively, and the insertion portion is inserted when the peripheral wall panel (7) is fitted between the connecting frames (3A) and (3B). The plating barrel device according to any one of claims 1 to 3, wherein the restriction portion is configured by a restriction rod (24) fitted and inserted into (23) and the insertion portion (23).   The end portion of the peripheral wall panel (7) and the recesses (7a), (22a) of the locking groove (22) are formed in a circular arc shape so that the insertion portion (23) has a circular shape in cross section, and a restriction rod ( The barrel apparatus for plating according to claim 4, wherein 24) is formed in a round bar shape.   6. The plating barrel device according to claim 5, wherein the end portions of the peripheral wall panel (7) and the recesses (7a), (22a) of the locking groove (22) are formed in a semicircular arc surface having the same shape.   The locking groove (22) is formed to have a length from one end to the other end of the connecting frames (3A), (3B), and a recess (22a) is formed over the entire locking groove (22). The barrel apparatus for plating as described in any one of thru | or 6.   The overall length of the peripheral wall panel (7) is set to be substantially the same as the total length of the connecting frames (3A), (3B), and the recess (7a) is formed over the entire direction of the peripheral wall panel (7). Barrel equipment for plating.   The plating barrel apparatus according to claim 8, wherein the entire length of the insertion portion (23) and the total length of the regulating rod (24) are set to be substantially the same length.   Fitting portions (7b) and (22b) that are concavo-convex fitted to the surfaces of the peripheral wall panel (7) inserted into the locking groove (22) and the surfaces of the locking groove (22) that are in contact with or close to each other, respectively. The barrel device for plating according to any one of claims 1 to 3, wherein the regulating portion is formed by a fitting portion (7b), (22b) of the peripheral wall panel (7) and the locking groove (22). .

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