JPS6066706A - Shoes molding machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a shoe molding machine in which, for example, an abrasive brush is formed to swing its head.

When manufacturing leather shoes, as a step before adhering the upper to the sole member, it is necessary to polish the outer edge of the lower surface as an adhesive margin in order to facilitate adhesion of the upper to the sole member. For example, there is a polishing device shown in FIG. 1 in a shoe molding machine for performing such a polishing process. However, the above-mentioned polishing device uses an electrical or mechanical sensor to detect the outer shape of the mold material, which has approximately the same planar shape as the bottom member (not shown), with respect to the fixed carapace a set on the table. two brushes b
, b are moved in the longitudinal direction of the upper a to polish the inside and outside of the outer edge C of the lower surface to roughen the surface. However, in this conventional device, for example, in order to polish the outer edge C of the lower surface of one of the pair of left and right carapaces a, the two brushes b and b, which rotate in different directions, are used at one point in the axial direction. Since it is used for polishing by moving in the direction, there are two brushes b and b.
There was a drawback that the brushed hair had a tendency to rotate in one direction.

In this way, the polishing device shown in FIG. 1 has two brushes b,
Since it requires two motors to rotate b and b, the structure is complicated and the number of parts increases, resulting in high costs.
Moreover, there is a technical requirement to control the rotational speeds of the two motors, respectively.

In addition, the carapace a has many variations in undulations in the horizontal plane, for example, the arch part d is concave at the lower outer edge C, and the heel part e and the outer part are convex. For this reason, if a conventional polishing device is used to polish the outer edge C of the lower surface of the carapace a, the brushes b, b may come into strong or weak contact with the outer edge C of the lower surface of the carapace a, or may lift up. ,
There is unevenness in the polished part, such as curling up on the outer edge C of the lower surface, or conversely, there are parts that are not polished,
There was a drawback that the yield of the product was poor.

The present invention has been made in view of the above-mentioned points, and its purpose is to swing the brush in the direction of movement so as to keep the brush horizontally close at all times according to the undulating surface at the outer edge of the lower surface of the carapace. To provide a chemical molding machine capable of uniformly polishing the outer edge of the lower surface of a carapace by making the machine freely adjustable, capable of uniformly polishing the outer edge of the lower surface of the carapace, increasing the yield of the product, and reducing the cost of the product.

The details of one embodiment of the present invention will be explained below with reference to FIGS. 2 to 9.

In this embodiment, a carapace for processing on either the left or right side is fitted with the lower outer edge 3a facing upward on a seven-piece die 2 that is erected on an X-axis moving table 1 that basically moves back and forth. 3
and a polishing unit 5 attached to the upper surface of the Y-axis moving table 4 that moves in and away from the X-axis moving table 1 in the Y-axis direction orthogonal to the X-axis moving table 1;
A brush 7 which constitutes a part of the polishing unit 5 and is rotatably provided via a support arm 6 in a direction orthogonal to the axial direction of the upper 3; a driving motor 9 for freely rotating the brush 7 in the forward or reverse direction by continuously changing the outer side 8a and the inner side 8b with a bisecting line B in the longitudinal direction of the solid axis of the upper skin 3; The brush 7 is always applied to the lower outer edge 3a of the upper 3 according to the ups and downs in the horizontal plane of the lower outer edge 3a of the upper 3.
The base end side of the support arm 6, on which the brush 7 is attached by the attachment shaft 10 so as to be horizontally and closely spaced, is disposed parallel to the attachment shaft 10 in order to swingably pivot on the support frame 11. A swing shaft 3 arranged perpendicular to the support shaft 12
6, and the brush 7 is moved around the swing shaft 36 to the upper skin 3.
A drive means 13 for swingably driving the lower outer edge portion 3a according to the undulating surface of the lower outer edge portion 3a.

The set mold 2 is mounted on the upper surface of the X-axis moving table 1, which is movable in the X-axis direction on a base 14, and at the upper end of an elevating rod 15, which is movable up and down. Reference numeral 16 denotes a toe support member erected on the upper surface of the X-axis direction moving table 1, and this toe support member 16 is for supporting the toe portion of the upper skin 3 clamped by a clamp mechanism 17 described later. . The clamp mechanism 17 includes the heel portion 3 of the upper 3.
a heel accommodating member 18 having a recess 18a for accommodating the toe support member 16 and disposed at substantially the same height as the toe support member 16 and spaced apart in the axial direction; and a heel portion of the upper 3. The housing member 18 is arranged in the center so as to sandwich the shaft portions 19a, 1
A pair of clamping arms 20a having substantially the same shape are pivotally fixed by 9b so as to be freely openable and closable.

20b, a driving means 21 for driving the holding arms 20a and 20b in the closing direction, a tension spring 22 stretched between the rear ends of the support arms 20a and 20b, and rotation of the two shaft portions 19a and 19b. Rotary encoders 23a and 2 each detect and encode the amount of torque due to the difference in angle.
3b. The driving means 21 has, for example, bidirectional air cylinders 24a and 24b arranged in parallel, so that cylinder rods 24a+ and 24b+ in the air cylinders 24a and 24b pull the rear sides of the clamping arms 20a and 20b, respectively. It is designed to expand against the tension of the spring 22.

Reference numeral 25 denotes a slide presser that can be moved forward and backward by the driving force of an air cylinder 26. This slide presser 25 clamps the heel portion 3b of the upper 3 with a pair of clamping arms 20a and 20b, and then clamps the heel portion 3b of the upper 3. This is for extending to the upper surface of the heel portion 3b and pressing the upper surface of the heel portion 3b.

Reference numeral 27 denotes a drive means for moving the X-axis direction moving table 1 in the X-axis direction, that is, in the longitudinal direction of the upper 3. This drive means 27 includes a motor fixed to the upper surface of the base 14 on the - side. 29 is transmitted from the motor shaft 29a via a coupling 30 to a coaxial screw rod 31.
The X-axis moving table 1, which has hold nuts 32 and 32 screwed onto the screw rod 31 secured to its lower surface, is reciprocated in the X-axis direction.

Further, the polishing unit 5 is connected to the X-axis direction moving table 1.
The support frame 11 is erected on the upper surface of the Y-axis moving table 4, which is movable on the base 14 in a direction orthogonal to A movable frame 33 having a substantially I5-shaped cross section is swingably attached to the support frame 11, the motor 9 for rotating the brush is fixed to the upper surface of one side of the movable frame 33 at a position with low sensitivity, and the motor 9 a transmission means 35 for transmitting the output from the output shaft 9a to a subsequent stage including a microphone gearbox 34 as a power conversion mechanism; A movable frame 33 having, for example, a support arm 6 for supporting the brush 7 is attached to the mounting shaft of the brush 7 so that the brush 7 is brought into horizontal contact with concave surfaces such as the heel portion 3b and convex surfaces such as the outer side 8a. The movable frame 33 is made up of two air cylinders 37a and 37b that allow the movable frame 33 to swing freely around a swing shaft 36 that is arranged orthogonal to the support shaft 12 that is arranged parallel to the support shaft 12.

38a and 38b support one end of the shaft 36 and raise the installation height of the brush 7 with respect to the upper skin 3 from a neutral point Z as a reference level and from this neutral point 2 about the swing shaft 36. This is a double air cylinder that polishes the inner side 8b and outer side 8a of the outer edge 3a of the lower surface of the upper 3 by pushing it down.

A balancing weight 39 is suspended from one end of the swing shaft 36 on the side where the brush 7 is installed so as to bring the brush 7 into contact with the upper skin 3 with an appropriate pressing force.

Further, the transmission means 35 includes a pulley 40 installed on the output shaft 9a of the motor 9, and the miter gear box 3.
The intermediate pulley 42 is installed between the input shaft 34a of the motor 9 and the boo 1741 installed on the input shaft 34a of the motor 9, and is wound between the pulleys 40 and 41 to transmit the output from the motor 9 to the microphone gear box 34. belt 43, a pulley 44 installed on the output shaft 34b of the microphone gear box 34, a pulley 45 installed on the mounting shaft 10 of the brush 7, and further between the pulley 45 and the pulley 44. It is formed from a wound belt 46. Further, the two air cylinders 38a and 38b are connected to a brush 7 as shown in FIG. 9(b).
is located at the neutral point Z, the upper air cylinder 3
Only the rod 38a1 of 8a is extended, and the rod 38b1 of the lower air cylinder 38 is contracted. When the brush 7 is located below the neutral point Z, Fig. 9 (
As shown in c), the upper and lower air cylinders 38a
, 38b, the rods 38ax and 38b+ are contracted.

Further, when the brush 7 is located above the neutral point 2, the rods 38a+ and 38b+ of the upper and lower air cylinders 38a and 38b are both extended, as shown in FIG. 9(a). Also, an air cylinder 38a is used for raising and lowering the swing shaft 36.

38b is used to raise and lower the brush 7 with good responsiveness. 47 is a drive means for pushing up the other end of the swing shaft 36 in order to separate the brush 7 from the upper skin 3 as necessary during polishing;
Similarly to the drive means 13, two air cylinders 48a and 48b are used as the drive means 7. When only the rod 48a+ of the upper air cylinder 48a is extended, the swing shaft 36 is located at the neutral point T, and the two rods 48a+ of the upper and lower air cylinders 48a and 48b are extended.

When 48b1 is extended, the swing shaft 36 is located above the neutral point T, and furthermore, the air cylinder 48a s
When the two rods 48a+ and 48b1 of 48b are contracted, the swing shaft 36 is positioned below the neutral point. The Y-axis moving table 4 is also moved back and forth by fixing a hold nut 51 to the lower surface of the X-axis moving table 4, which is screwed onto a screw rod 50 rotated by the output of a motor 49. be done.

52 is the movable frame 33 that swings around the swing shaft 3G.
In order to prevent the swinging of the movable frame 33, the swinging frame 36 of the movable frame 33 is
are locking pieces extending in the mounting direction of 53a and 53b.
are stop pieces that are disposed on both sides of this locking piece 52 and can freely collide with each other. 54 is a rotary actuator, and this rotary actuator 54 connects an output shaft 58 having a pinion 57 meshed with a movable rack 56 via a coupling 59 by applying air pressure alternately to the upper and lower chambers in the cylinder 55. and is connected to the shaft 12. Then, by applying air pressure to the upper and lower chambers of the cylinder 35 and moving the rank 56, the pinion 57 is rotated and the movable frame 33 is displaced, so that the force with which the brush 7 is pressed against the upper skin 3 is adjusted. ing.

One embodiment of the present invention has the above-mentioned configuration, with one left and one right
To polish the pair of uppers 3, for example, the right upper 3 is placed on the cent mold 2 on the X-axis moving table 1. Next, when a power button, a center button, etc. provided on a switch panel (not shown) is pressed, the slide presser 25 advances to the upper surface of the clamp mechanism 17. Thereafter, the air cylinder 15a is actuated to raise the lifting rod 15 having the cent mold 2 covering the upper 3, so that the upper 3 is held between the slide presser 25 and the cent mold 2 from above and below. Then, the air cylinders 24a, 24b are actuated to extend the pair of cylinder rods 24a+, 24b+ outwardly against the tension force of the tension spring 22, so that the two shaft portions 19a, 1
The distal ends of the pair of clamping arms 20a and 20b are closed around 9b to clamp the heel portion 3b of the upper 3 to determine the set position. In this case, a pair of clamping arms 20a
.

Since the rotation angles of the shaft parts 19a and 19b which respectively fix the shaft 20b are different, the rotary encoders 23a and 23b encode the pulses generated depending on the magnitude of the torque, and this input signal is calculated by the computer. By processing and comparing the difference between the two, it is determined whether it is the left or right of the pair of uppers 3,3. After that, the output shaft 9a of the motor 9 of the polishing unit 5 rotates, and the belt 43 outputs the output of the motor 9 to the input shaft 34a of the miter gear box 34 via the boo I740 installed on the output shaft 9a and the intermediate pulley 42. is transmitted to the miter gearbox 34. Further, the output from the output shaft 34b of the miter gearbox 34 is transmitted to the pulley 44, belt 4G, and pulley 45, and the brush 7 rotates in the normal direction.

Thereafter, the X-axis direction moving table 1 that clamps the carapace 3 to the cent type 2 is driven by a motor 29 whose speed is controlled by a computer, and a screw is connected coaxially to the output shaft 29a via a coupling 30.・Rod 31
rotates, and the hold nut 32 rotates, so it moves forward in the X-axis direction. Furthermore, when the motor 49 is driven, the output of the motor 49 is transmitted to the screw rod 50 and rotates, so several hold nuts 513 2 screwed onto the screw rod 50 are provided on the lower surface. The X-axis moving table 4 is movable in the direction perpendicular to the X-axis moving table 1 that clamps the upper 3 in the same horizontal plane, that is, in the Y-axis direction. The X-axis moving table 1, which clamps the carapace 3 in this way, and the X-axis moving table 4, on which the polishing unit 5 with the brush 7 rotating in the normal direction is mounted, move forward in the orthogonal direction on the same horizontal plane. Moreover, as shown in FIGS. 9(a), 9(d), and 9(c), the swinging ring 36 is penetrated into the movable frame 33 by repeating the expansion and contraction operation in small steps. Since the movable frame 33 to which the support arm 6 having the brush 7 at the tip is fixed swings from the neutral point Z around the support shaft 12, it starts from the neutral point Z and pushes up and down. Since the height of the brush 7 with respect to the upper skin 3 is set at a certain height, the outer edge part 3a of the lower surface of the upper skin 3 is polished from the toe part toward the heel part 3b, with the outer edge part 3a bordering on the solid axis bisecting line 8. Go. At this time, the upper part 3 has a high slope of the side surface outside the arch 3c, but the output rod 37a+ of the two air cylinders 37a, 37b.

37b+ extend together, and the movable frame 33 rotates clockwise about the pivot shaft 36 from the neutral position shown in FIG. Therefore, the outer part of the arch 3c of the outer edge 3a of the lower surface of the upper 3 is polished. Thereafter, the two air cylinders 37a, 37b are pressurized and the rod 37a+
, 37b+ are both contracted, so the movable frame 33 rotates counterclockwise around the swing frame 36. Therefore, the brush 7 is
Polishing is performed in close contact with slope C from neutral position B in the figure. Thereafter, the upper air cylinder 38a is extended, so that the brush 7 returns to its neutral state, and polishes the outer side 8a of the upper 3 up to the heel portion 3b, with the lower surface outer edge portion 3a of the upper 3 bordering on the bisecting line 8 in the longitudinal direction of the solid axis.

When the outside 8a of the lower surface outer edge 3a is polished up to the heel 3b with the solid shaft longitudinal bisecting line 8 as the border, the motor 9 is reversed and the direction of rotation of the brush 7 is reversed. 29 reverses, the X-axis direction moving table 1 moves backward. Therefore, the inner side 8b of the outer edge 3a of the lower surface of the upper 3 is polished from the heel 3b toward the toe, with the solid shaft longitudinal bisecting line 8 as the boundary. At this time, the outer edge 3 of the lower surface of the carapace 3
Since the arch 3c of a is formed into a concave surface with the solid axis bisecting line 8 as the boundary, the upper air cylinder 37a of the two air cylinders 37a and 37b is
From the neutral state where the rod 37a1 is extended, the rods 37a+ and 37b+ of both air cylinders 37a and 37b contract, the movable frame 33 rotates around the swing shaft 36, and the support position descends from the neutral position, so that the brush 7 The foot also leans from the neutral position and comes into close contact with the downward slope of the concave arch of 3C. Thereafter, both rods 37a+ and 37b+ of the two air cylinders 37a and 37b extend and push up the movable frame 33, so that the brush 7 is also tilted from the neutral position to come into close contact with the upward slope of the concave surface of the arch 3c. Then the lower air cylinder 3
The rod 37b1 of 7b contracts and the upper air cylinder 37
The inner side 8b of the outer edge portion 3a of the lower surface is polished by the brush 7 by returning to the neutral position in the extended state. Note that when there is no part of the lower outer edge 3a that needs polishing, such as the heel 3b of a heel, two air cylinders 4 are used.
The two rods 48a+t48b of 8a and 48b extend together and push up the other end of the swing shaft 36, so that the brush 7 is lifted from the upper 3, so the heel 3b of the upper 3 is not polished. In this case, the non-polishing distance of the upper 3 can be easily adjusted by adjusting the pushing up time to the swing shaft 36.

Further, the motor 9 for rotating the brush 7 is connected in the axial direction 2 of the upper skin 3.
Since the forward and reverse rotations take place at the dividing line 8, the inner side 8b and outer side 8a of the upper 3 are polished from the outside to the inside, so the outer edge 3a of the lower surface of the upper 3 is damaged due to friction with the brush 7 during polishing. It is possible to prevent the brush from curling up, and the brushing of the brush 7 itself does not have any curls.

When the polishing work of the outer edge 3a of the lower surface of the upper 3 is completed in this way, the cylinder rods 24a+ and 24tz of the air cylinders 24a and 24b are contracted, so that the pair of clamping arms 20a and 20b are moved by the tensile force of the tension spring 22. The tip side opens around the shaft parts 19a and 19b, and the clamp on the upper skin 3 is released.

7 6 Then, after the lifting rod 15 having the cent shape 2 covered with the upper skin 3 descends to a predetermined height, the air cylinder 18a
Since the pressure is reduced, the heel accommodating member 18 descends. Moreover, since the air cylinder 26 is depressurized, the slide presser 2S retreats from the upper surface of the clamp mechanism 17, thereby polishing the upper skin 3.

Also, when polishing the right upper 3, the slide presser 25 moves forward on the clamping mechanism 17 in the same manner as described above, and then the heel 3b of the upper 3 is held between the pair of clamping arms 20a of the clamping mechanism 17. , 20b. At this time,
A shaft portion 1 that pivotally fixes a pair of clamping arms 20a and 20b.
By encoding the difference in the rotation angles of 9a and 19b using rotary encoders 23a and 23b and calculating the difference in rotation angles using a computer, it is possible to determine that the carapace is the left carapace 3 based on the error with the right carapace 3. Discern. Then, the elevating rod 15 having the cent type 2 at the upper end rises, and the brush 7 rotates forward and backward, and the polishing unit 5
The Y-axis moving table 4 equipped with the upper shell 3 moves back and forth with respect to the X-axis moving table 1 that clamps the upper shell 3, thereby polishing the outer edge 3a of the lower surface of the upper shell 3 on the left side. .

In this way, the pair of left and right carapaces 3, 3 is polished.

In this embodiment, the outer edge of the lower surface of the upper 3 is polished by moving the X-axis moving table 1 that clamps the upper in the X-axis direction. Needless to say, the outer edge of the lower surface may be polished by moving in the longitudinal direction. Further, in the above embodiment, the explanation was given for the case where it is applied to a polishing machine for uppers, but in this embodiment, when the uppers 3, 3 and the bottom member are bonded after polishing the uppers, a pair of uppers 3, 3, 3, the lower surface outer edge portion 3a.

The gluing process for applying adhesive to 3a can also be applied to a machine.

As described above, the present invention allows the brush to swing freely in the direction of movement about the swing shaft disposed orthogonally to the mounting axis of the brush of the polishing unit, so that The brush can be held close horizontally at all times. Therefore, the outer edge of the lower surface of the carapace can be polished evenly and without uneven polishing, thereby increasing the yield of the product and reducing the cost of the product.

[Brief explanation of the drawing]

Figure 1 is a bottom view showing an example of a polishing device in a conventional shoe molding machine, Figure 2 is a partially cutaway front view showing an embodiment of the shoe molding machine of the present invention, and Figure 3 is the entire chemical molding machine. FIG. 4 is a front view, FIG. 5 is a partial vertical cross-sectional view taken from a direction perpendicular to the brush mounting shaft, and FIG. 6 is an example of the clamping mechanism constituting this embodiment. 7 is a bottom view showing the polishing order when polishing the outer edge of the lower surface of the carapace using this embodiment, FIG. 8 is a side view, and FIG. 9 is a ( (a), (b), and (c) are explanatory cross-sectional views showing the respective operating states of two air cylinders as drive mechanisms for determining the installation height of the polishing unit that constitutes this embodiment. be. 1...X-axis direction moving table, 3...
Shell, 39 a... Lower surface outer edge, 4... Y-axis direction moving table, 6... Support arm, 7...
・Brush, 8... Solid shaft length direction bisecting line, 9...
...Motor, 10...Mounting shaft, 12...
...Support shaft, 13...Driving means, 36...
... Swing axis, 37'a, 37b... Air cylinder. Patent Applicant Leader Co., Ltd. 10 Figure 4 Procedural Amendment Written by Brake) July 24, 1959 Manabu Shiga, Commissioner of the Japan Patent Office W4 Sewing ■, Indication of Cow ■ Solution 1958 Patent Application No. 175240 2, Name of the invention: Shoe-making machine 3, Incident to amend 1: Relationship with cattle Patent applicant address: 1-9-9 Higashiasakusa, Taito-ku, Tokyo Name: Liter Co., Ltd. 4, Agent: Tl ) The entire specification should be amended as follows: 1+1111; Punisu1llIL,-! l im0 Specification 1, Name of the invention, Shoe making machine 2, Claims The shoe body is set on a table with the outer edge of the lower surface facing upward, and the undulating surface of the outer edge of the lower surface in the axial direction is A shoe making machine characterized by electrically controlling a processing tool such as a brush so that it can swing freely in the width direction so that the processing tool is always in close horizontal contact with the processing tool. 3. Detailed Description of the Invention The present invention is based on the present invention, in which a processing tool, such as a polishing brush, is electrically powered so as to be able to swing freely in the width direction so that the processing tool is always horizontally in close contact with the undulating surface of the outer edge of the lower surface of the shoe body. The present invention relates to a shoe making machine configured to control a shoe making machine. When manufacturing leather shoes, as a pre-process for gluing the shoe body consisting of the upper and heel to the sole member, the outer edge of the lower surface is polished to make it easier to bond the shoe body to the sole member. Needs to be brushed. For example, there is a polishing device shown in FIG. 1 in a shoe making machine for performing such polishing. However, the above-mentioned polishing device uses an electrical or mechanical sensor to detect the outer shape of a mold material that has substantially the same planar shape as the sole member (not shown) with respect to a fixed shoe body a set on a table. The two brushes b and b are moved in the longitudinal direction of the shoe body a to polish the inside and outside of the outer edge C of the lower surface, thereby roughening the surface. However, in this conventional device, for example, two brushes b and b are rotated in different directions to polish the outer edge C of the lower surface of one of the pair of left and right shoe bodies a, a.
Since polishing is performed by moving the brushes in one direction along the axial direction, there is a drawback that the brushes of the two brushes b and b tend to rotate in one direction. In this way, the polishing device shown in FIG. 1 has two brushes b,
Since it requires two motors to rotate b and b, the structure is complicated and the number of parts increases, resulting in high costs.
Moreover, there is a technical requirement to control the rotational speeds of the two motors, respectively. In addition, the shoe body a has many variations in undulation within the horizontal plane, such as the arch portion d being concave and the heel portion e and the outside portion being convex at the outer edge C of the lower surface. For this reason, if a conventional polishing device is used to polish the outer edge C of the lower surface of the shoe body a, the brushes b, b may come into strong or weak contact with the outer edge C of the lower surface of the shoe body a, or may lift up. However, there was a drawback that the polished portion was uneven, such as curling up on the outer edge C of the lower surface or unpolished portions, resulting in poor product yield. The present invention has been made in view of the above-mentioned points, and its purpose is to move the processing tool such as a brush so that the processing tool, such as a brush, is always placed in close horizontal contact with the undulating surface at the outer edge of the lower surface of the shoe body. To provide a shoe making machine that can swing freely in the width direction so that the outer edge of the lower surface of the shoe body can be evenly polished without uneven polishing, the yield of the product can be high, and the product cost can be kept low. There is something to do. The details of one embodiment of the present invention will be explained below with reference to FIGS. 2 to 9. In this embodiment, a shoe body 3 for either the left or right side is mounted on a cent mold 2, which is set upright on an X-axis direction moving table 1 that basically reciprocates, with the outer edge 3a of the lower surface facing upward. and a polishing unit 5 attached to the top surface of the Y-axis moving table 4 that moves or moves away from the X-axis moving table 1 in the Y-axis direction perpendicular to the X-axis moving table 1; A brush 7 that forms a part of the shoe body 3 and is rotatably provided via a support arm 6 in a direction orthogonal to the axial direction of the shoe body 3, and a brush 7 that also forms a part of the polishing unit 5 and is provided inside the shoe body 3. A drive motor 9 for freely rotating the brush 7 in the forward or reverse direction by continuously changing the outer side 8a and the inner side 8b with the real axis length direction bisecting line 8 as a boundary under computer control, and the shoe. Bottom outer edge 3 of main body 3
The proximal end side of the support arm 6 on which the brush 7 is attached by a mounting shaft 10 is supported so that the brush 7 is always horizontally brought into close contact with the lower outer edge 3a of the shoe body 3 according to the ups and downs in the horizontal plane of a. A swinging shaft 3 is disposed in a position further relative to a support shaft 12 disposed parallel to the mounting shaft 10 in order to be pivotably supported on the frame 11 in the widthwise direction of the brush 7.
6, and a drive means 13 for swingably driving the brush 7 about the cough swing shaft 36 so that the brush 7 is always horizontally in close contact with the undulating surface of the lower outer edge 3a of the shoe body 3. It is formed. Note that this driving means 13 may be electrically controlled based on machining data inputted and stored in advance into a computer. The set mold 2 is mounted on the upper surface of the X-axis moving table 1, which is movable in the X-axis direction on a base 14, and at the upper end of an elevating rod 15, which is movable up and down. Reference numeral 16 denotes a toe support member erected on the upper surface of the X-axis direction moving table 1, and this toe support member 16 is used to support the toe portion of the shoe body 3 whose heel portion 3b is clamped by a clamp mechanism 17, which will be described later. belongs to. The clamp mechanism 17 has a recess 18a for accommodating the heel portion 3b of the shoe body 3, and is arranged at approximately the same height as the toe support member 16 with an interval in the axial direction. Heel accommodation material 18 and the shoe body 3
A pair of clamping arms 20a and 20b having substantially the same shape, the holding member 18 being arranged in the center so as to clamp the heel part 3b of the clamping arm 20a, and the clamping arms 20a and 20b having substantially the same shape are pivotally fixed by shaft parts 19a and 19b so as to be freely openable and closable, and the clamping arm 20a , 20b in the closing direction, the tension spring 22 stretched between the rear ends of the support arms 20a and 20b, and the amount of torque due to the difference in rotation angle of the two shaft portions 19a and 19b. It is formed from rotary encoders 23a and 23b, each of which electrically detects and encodes. The driving means 21 has, for example, bidirectional air cylinders 24a and 24b arranged in parallel, so that the cylinder rod 24a+ in the air cylinders 24a and 24b
, 24b1, respectively, the clamping arms 20a, 20
The rear side of b is pushed out against the tension of the tension spring 22. Reference numeral 25 denotes a slide presser which can be moved forward and backward by the driving force of an air cylinder 26, and this slide presser 25 holds the heel portion 3b of the shoe body 3 by a pair of clamping arms 20a and 20b.
After the shoe body 3 is clamped, it advances to the upper surface of the heel portion 3b of the shoe body 3 and presses the upper surface of the heel portion 3b. Reference numeral 27 denotes a drive means for moving the X-axis direction moving table 1 in the X-axis direction, that is, the longitudinal direction of the shoe body 3. This drive means 27 includes a motor fixed to the upper surface of the base 14, for example. The driving force of 29 is transferred to the motor shaft, 29a
The X-axis moving table 1 rotates a coaxial screw rod 31 through a coupling 30, and fixes a hold nut 32, 32 screwed to the screw rod 31 on its lower surface. It is moved back and forth in the X-axis direction. Note that the means for reciprocating the X-axis direction moving table 1 in the X-axis direction is merely an example, and is not limited to what is illustrated. Further, the polishing unit 5 is connected to the X-axis direction moving table 1.
The support frame 11 is erected on the upper surface of the Y-axis moving table 4, which is movable on the base 14 in a direction orthogonal to A movable frame 33 having a cross-section with a cross section that is swingably attached to the support frame 11, the motor 9 for rotating the brush fixed to the upper surface of the movable frame 33, which is an example of a position where the sensitivity is low, and the motor 9. 9, a transmission means 35 for transmitting the output from the output shaft 9a to a subsequent stage including a microphone gearbox 34 as a power conversion mechanism, and an undulating surface in the horizontal plane of the lower outer edge 3a of the shoe body 3, for example, the arch 3C. A movable frame 33 having a support arm 6 on one side for supporting the brush 7 is attached to the brush 7 so that the brush 7 is brought into horizontal contact with concave surfaces such as the heel portion 3b and convex surfaces such as the outer side 8a. It is formed of two air cylinders 37a and 37b that allow the movable frame 33 to swing freely around a swing shaft 36 arranged perpendicular to the support shaft 12 arranged parallel to the mounting shaft 10. 39a and 38b support one end of the shaft 36 and raise the installation height of the brush 7 relative to the shoe body 3 higher than the neutral point Z and the neutral point 2 as a reference level around the swing shaft 36. This is a double air cylinder that polishes the inner side 8b and outer side 8a of the lower outer edge 3a of the shoe body 3 by pressing down or pushing down. A balancing weight 39 is suspended from one end of the swing shaft 36 on the side where the brush 7 is installed so as to bring the brush 7 into contact with the shoe body 3 with an appropriate pressing force. Further, the transmission means 35 includes an intermediate boolean IJ42 installed between a boolean IJ40 installed on the output shaft 9a of the motor 9 and a boolean I741 installed on the input shaft 34a of the microphone gear box 34. and the said Boo I740
, 41 to transmit the output from the motor 9 to the microphone gear box 34, a pulley 44 installed on the output shaft 34b of the microphone gear box 34, and the mounting shaft 10 of the brush 7. Pulley 45 installed in
and a belt 46 wound between the boo IJ45 and the pulley 44. Further, in the two air cylinders aea and 38b, when the brush 7 is located at the neutral point Z as shown in FIG. Cylinder rod 38 of cylinder 38
b1 is shrinking. When the brush 7 is located below the neutral point Z, the cylinder rods 38a+ and 38b+ of the upper and lower air cylinders 38a and 38b are contracted, as shown in FIG. 9(c). Further, when the brush 7 is located above the neutral point Z, the upper and lower air cylinders 38
a, 38b cylinder rod 38al t38b,
are both growing. The reason why the air cylinders 38a and 38b are used to raise and lower the swing shaft 36 is to raise and lower the brush 7 with good response. Reference numeral 47 indicates that the brush 7 is attached to the shoe body 3 as necessary during polishing.
This is a driving means for pushing up the other end of the swing shaft 36 in order to separate it from the other end, and the driving means 47 uses two air cylinders 48a and 48b, similar to the driving means 13. If only the cylinder rod 48a1 of the upper air cylinder 48a is extended, the swing shaft 36
is located at the neutral point T, and the upper and lower air cylinders 48a
. 48b two cylinder rods 48a+, 48b1
, the swing shaft 36 is located above the neutral point T, and the air cylinders 48a, 4
8b two cylinder rods 48a+. When both 48b1 are contracted, the swing shaft 36 is positioned below the neutral point T. Further, the Y-axis direction moving table 4 is also connected to a screw rod 50 which is rotated by the output of a motor 49.
By fixing the nut 51 to the lower surface of the Y-axis direction moving table 4, it is reciprocated. Note that the means for reciprocating the Y-axis direction moving table 4 in the Y-axis direction is merely an example, and is not limited to what is illustrated. 52 is the movable frame 33 that swings around the swing shaft 36.
In order to prevent the swinging of the movable frame 33, the swinging frame 36 of the movable frame 33 is
is a locking piece extending in the mounting direction of 53a, 53
Stopper pieces b are disposed on both sides of the locking piece 52 and can freely collide with each other. 54 is a rotary actuator, and this rotary actuator 54 connects an output shaft 58 having a pinion 57 meshed with a movable rack 56 by applying air pressure alternately to the upper and lower chambers in the cylinder 55 to a coupling 59. It is connected to the shaft 12 via. Then, by applying air pressure to the upper and lower chambers of the cylinder 35 and moving the rank 56, the pinion 5
By rotating the brush 7 and displacing the movable frame 33, the force with which the brush 7 is pressed against the shoe body 3 is adjusted. One embodiment of the present invention has the above-mentioned configuration, with one left and one right
To polish the pair of shoe bodies 3, for example, the right shoe body 3 is placed on the set mold 2 on the X-axis moving table 1. Next, when a power button, a set button, etc. provided on a switch panel (not shown) is pressed, the slide presser 25 advances to the upper surface of the clamp mechanism 17. Thereafter, the air cylinder 15a is operated to raise the lifting rod 15 having the set mold 2 covering the shoe body 3, so that the shoe body 3 is held between the slide presser 25 and the set mold 2 from above and below. The air cylinders 24a, 24b are then activated to
The pair of cylinder rods 24a1, 24b+ extend outwardly against the tensile force of the tension spring 22, so that the two shafts 1
A pair of clamping arms 20a, 20 centered around pa, 19b
The distal end side of b is closed and the heel portion 3b of the shoe body 3 is clamped to determine the set position. In this case, the shaft portions 19a and 1 which respectively lock the pair of clamping arms 20a and 20b are
Since the rotation angle of 9b is different, the rotary encoder 23
a, 23b, and this input signal is processed by a computer and the difference between the two is compared to determine whether it is the left or right of the pair of shoe bodies 3, 3. At this time, the change in the amount of movement of the clamp mechanism 17 is detected by the rotary encoders 23a and 23b to determine whether it is the left or right shoe body 3, but the present invention is not limited to this. The amount of movement may be detected using a variable resistor or a magnetic scale. After that, the output shaft 9a of the motor 9 of the polishing unit 5 rotates.
The belt 43 is connected to the input shaft 34a of the miter gearbox 34 via the pulley 401 and the intermediate boot 1J42 installed on the
The output of the motor 2 is transmitted to the miter gearbox 34. Furthermore, the output from the output shaft 34b of the miter gearbox 34 is transmitted to the boot IJ44, the belt 46, and the boot IJ45, and the brush 7 rotates normally. Thereafter, the X-axis moving table 1 that clamps the shoe body 3 to the set mold 2 is driven by a motor 29 whose speed is controlled by a computer, and a screw is connected coaxially to the output shaft 29a via a coupling 30.・Rod 3
1 rotates, and the hold nut 32 rotates, so it moves forward in the X-axis direction. Furthermore, when the motor 49 is driven, the output of the motor 49 is transmitted to the screw rod 50 and rotates, so several hold nuts 51 are provided on the lower surface, which are screwed onto the screw rod 50. The X-axis moving table 4 is movable in the direction perpendicular to the X-axis moving table 1 that clamps the shoe body 3 in the same horizontal plane, that is, in the Y-axis direction. The X-axis moving table 1 that clamps the shoe body 3 in this way and the X-axis moving table 4 on which the polishing unit 5 having the brush 7 rotating in the normal direction is mounted are orthogonal on the same horizontal plane. The air cylinders 38a move forward in the direction of the
, 38b repeats the expansion and contraction operation in small steps as shown in FIGS.
The movable frame 33, to which the support arm 6 having the brush 7 at the tip is fixed, starts from the neutral point Z and pushes up and down using the swing shaft 36 penetrated therein as a reference level. Since the brush 7 swings around the support shaft 12 to open the position height of the brush 7 relative to the shoe body 3, the outer edge 3a of the lower surface of the shoe body 3 has a solid shaft lengthwise bisecting line 8, and the outside 8a is the tip of the toe. It is polished from the heel part 3b toward the heel part 3b. At this time, the shoe body 3 has a high slope of the side surface on the outside of the arch 3c, but there are two air cylinders 37a, 3
Both the cylinder rods 37a+ and 37b+ of 7b extend, and the movable frame 33 moves from the neutral position shown in FIG. 2 to the pivot shaft 3.
By rotating the brush 7 clockwise around the shoe body 3, the brush 7 is brought into close contact with the upward slope A on the outside of the shoe body 3. Thereafter, the two air cylinders 37a and 37b are pressurized and their cylinder rods 37az and 37b are both contracted, so that the movable frame 33 rotates counterclockwise about the swing frame 36. For this reason, the brush 7 performs polishing from the neutral position B in FIG. The outer side 8a of the solid shaft lengthwise direction bisecting line 8 as a border is polished to the heel portion 3b.In this way, the outer side 8a of the lower surface outer edge portion 3a is polished up to the heel portion 3b bordering on the solid shaft lengthwise bisecting line 8. Then, the motor 9 is reversed and the direction of rotation of the brush 7 is reversed, and the motor 29 is also reversed, so the X-axis direction moving table 1 moves backward.Therefore, the lower outer edge 3a of the shoe body 3 The inner side 8b is polished from the heel part 3b toward the toe part with the solid shaft longitudinal direction bisecting line 8 as a border.At this time, the lower outer edge part 3a of the shoe body 3 Since the arch 3C is formed to have a concave surface at the border, the upper air cylinder 3 of the two air cylinders 37a and 37b as shown in FIG.
From the neutral state in which the cylinder rod 37a1 of 7a is extended, the cylinder rods 37a+ and 37b1 of both air cylinders 37a and 37b are contracted, and the movable frame 33 is moved to the swing axis 3.
6 and the supporting position is lowered from the neutral position, so that the brush 7 is also tilted from the neutral position and comes into close contact with the downward slope of the concave surface of the arch 3c. Then two air cylinders 37
Both cylinder rods 37a+, 37b of a, 37b
1 extends and pushes up the movable frame 33, the brush 7 also tilts from the neutral position and comes into close contact with the upward slope of the concave surface of the arch 3c. Thereafter, the cylinder rod 37b+ of the lower air cylinder 37b is contracted and the upper air cylinder 37a returns to the neutral position in which it is extended, whereby the inner side 8b of the outer edge portion 3a of the lower surface is polished by the huff' rasp 7. Note that when there is no part of the lower outer edge 3a that needs polishing, such as the heel 3b of women's high heels, two air cylinders 4 are used.
8a, 48b two cylinder rods 48a+,
48b+ extend together and push up the other end of the swing shaft 636, causing the brush 7 to move toward the shoe body 3.
Since the heel portion 3b of the shoe body 3 is not polished, the heel portion 3b of the shoe body 3 is not polished. In this case, the non-polishing distance of the shoe body 3 can be easily adjusted by adjusting the pushing up time to the swing shaft 36. Also brush 7
Since the motor 9 for rotation rotates forward and backward with the axial bisecting line 8 of the shoe body 3 as a boundary, it polishes the inside 8b and the outside 8a of the shoe body 3 from the outside to the inside. The outer edge portion 3a of the lower surface can prevent curling up due to friction with the brush 7 during VR polishing, and the brush 7 itself will not have any curls. When the polishing work of the outer edge 3a of the lower surface of the shoe body 3 is completed in this way, the cylinder rods 24a+ and 24b1 of the air cylinders 24a and 24b are compressed, so that the pair of clamping arms 20a and 20b are moved by the tensile force of the tension spring 22. As a result, the tip side opens around the shaft portions 19a and 19b, and the clamp of the shoe body 3 is released. Then, after the lifting rod 15 having the set mold 2 on which the shoe body 3 is placed has descended to a predetermined height, the air cylinder 18a is depressurized, so that the heel accommodating material 1878 is lowered. Moreover, since the air cylinder 26 is depressurized, the slide presser 25 retreats from the upper surface of the clamp mechanism 17, thereby polishing the shoe body 3. Also, when polishing the right shoe body 3, the slide presser 25 moves forward on the clamp mechanism 17 in the same manner as described above, and then the heel portion 3b of the shoe body 3 is held at the heel part 3b of the clamp mechanism 17.
It is held by a pair of holding arms 20a and 2ob. At this time, a rotary
The encoders 23a and 23b encode the rotation angle and the computer calculates the difference in rotation angle, thereby determining whether it is the left shoe body 3 based on the difference between the right shoe body 3 and the right shoe body 3. Then, the lifting rod 15 having the cent type 2 at the upper end rises, and the brush 7 moves forward and backward, and the X-axis moving table 4 on which the polishing unit 5 is mounted
The X-axis moving table 1 clamps the shoe body 3
By moving forward and backward relative to the shoe body 3, the lower outer edge 3a of the shoe body 3 on the right side is polished. In this way, the pair of left and right shoe bodies 3, 3 is polished. In this embodiment, the outer edge of the lower surface of the shoe body 3 is polished by moving the X-axis moving table 1 that clamps the shoe body in the X-axis direction. Needless to say, the outer edge of the lower surface may be polished by moving the main body 3 in the axial direction. In addition, in the above embodiment, the case where the machine is applied to the polishing machine for the outer edge of the lower surface of the shoe body was explained, but this embodiment is applicable to the case where the shoe bodies 3, 3 and the sole member are bonded after polishing the shoe body.
The adhesive used to apply adhesive to the lower outer edges 3a, 3a of the pair of shoe bodies 3, 3 using a brush is a primer used to spray adhesive from a machine or nozzle. It can also be applied to processing machines. As described above, in the present invention, the processing tool such as the brush of the polishing unit is formed to be able to swing freely in the width direction, so that the processing tool is always kept horizontally and closely in accordance with the undulating surface of the outer edge of the lower surface of the shoe body. can do. Therefore, the outer edge of the lower surface of the shoe body can be evenly polished without any polishing unevenness, so that the yield of the product can be increased and the product cost can be reduced. 4. Brief description of the drawings FIG. 1 is a bottom view showing an example of a polishing device in a conventional shoe making machine, FIG. 2 is a partially cutaway front view showing an embodiment of the shoe making machine of the present invention, and FIG. The figure is a side view showing the entire shoe making machine, FIG. 4 is a front view, and FIG.
FIG. 6 is a plan view showing an example of the clamp mechanism that also constitutes this embodiment, and FIG. 7 is a bottom view showing the polishing order when polishing the outer edge of the lower surface of the shoe body using this embodiment. Figure 8 is also a side view, and Figure 9'F) (A) (B)
(C) is an explanatory cross-sectional view showing the operating states of two air cylinders each serving as a drive mechanism for determining the installation height of the polishing unit constituting this embodiment. 1...X-axis direction moving table, 3...
Shoe body, 0 3a... Bottom outer edge, 4... Y-axis direction moving table, 6... Support arm, 7...
... Brush, 8 ... Solid shaft length direction bisecting line, 9.
...Motor, 10...Mounting shaft, 12...
...Support shaft, 13...Driving means, 36...
... Swing shaft, 37a, 37b... Air cylinder. Patent Applicant Leader - Co., Ltd. Agent Hideo Takino 2 1 Daiko Zudai

Claims (1)

[Claims] The upper is set on a table with the outer edge of the lower surface facing upward, and a polishing brush is provided so as to be movable back and forth in the axial direction of the upper, or the table is movable in the axial direction of the upper; The brush is rotatably provided via a support arm in a direction perpendicular to the axial direction of the upper, and the rotational direction of one driving motor is continuous with a bisecting line in the solid axial direction of the upper. The brush is rotated in the normal or reverse direction, and the proximal end side of the support arm is pivoted by a support shaft arranged parallel to the mounting shaft, and the brush is rotated in a horizontal plane on the outer edge of the lower surface of the upper. Accordingly, the shoe molding machine is characterized in that the brush is made swingable by a driving means about a swing shaft disposed perpendicular to the support shaft and in the direction of the support arm.