Object protective cap manufacturing device

Abstract

To provide a device for manufacturing protective caps for objects that fold the protective cap twice. [Solution] The object protective cap manufacturing apparatus 1-1 includes a plurality of fingers 10 arranged in a cylindrical shape at predetermined intervals, with their base portions pivotably supported so that their tip ends swing apart from each other and open; a protective cap positioning stand 50 having finger insertion grooves 51 and capable of moving up and down to position the mounting depth of the protective cap to be attached from the tip end of each finger 10; a resilient member receiving stand 80 installed between the pressed portion 25 provided on the base end of each finger 10 and the protective cap positioning stand 50; a resilient member 100 that resiliently pulls each pressed portion 25 and the resilient member receiving stand 80 apart, causing each finger 10 to swing in a closing direction; and a pressing means 110 that presses each pressed portion 25 toward the resilient member 100, causing each finger 10 to swing in an opening direction against the resilient force of the resilient member 100.

Description

Technical Field

[0001] The present invention relates to a protective cap manufacturing apparatus for an object, which is suitable for use in folding a protective cap made of a tubular net that covers and protects the periphery of an object such as a fruit into a use state.

Background Art

[0002] Conventionally, protective caps have been used to protect fruits such as peaches, apples, and pears, as well as various other articles, by covering them. This type of protective cap is configured by forming a net-like foamed resin into a tubular shape, for example, like the protective cap C shown in Fig. 9(a). When using this protective cap C, in order to enhance the cushioning property, as shown in Fig. 9(b), the protective cap C is folded back to form a double protective cap C', and then, as shown in Fig. 9(c), an article D is stored inside the double protective cap C' for use.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when manually folding the protective cap C in double, differences in skill levels among workers occur, and the working efficiency becomes inconsistent. Also, when the number of pieces increases, it becomes heavy labor, and there is also a risk of developing tenosynovitis when working for a long time.

[0005] In order to solve the above problems, an apparatus for automatically attaching the protective cap C to the article D may be used, but such an apparatus has a complicated mechanism and becomes an expensive apparatus.

[0006] Patent Document 1 discloses a device that can automatically attach protective caps to fruit, but as mentioned above, the mechanism is complex and the device is expensive. Furthermore, in this device, as described in paragraph "0018" of the specification, folding the single protective cap (13) attached to the fruit (25) back into a double layer is a manual process performed after using the device, and the above-mentioned problems were not resolved.

[0007] The present invention has been made in view of the above-mentioned points, and its object is to provide an object protective cap manufacturing apparatus that can easily and reliably fold the protective cap in two. [Means for solving the problem]

[0008] The present invention relates to an object protective cap manufacturing apparatus that folds a tubular net protective cap, which covers and protects the surroundings of an object, into a usable state, and is characterized by comprising: a plurality of fingers arranged in a tubular shape at predetermined intervals, the outer circumference of which serves as the protective cap contact surface, and the base portion which is pivotably supported so that the tip ends swing in a direction that separates from each other and opens; and a protective cap positioning stand which has finger insertion grooves into which each of the fingers is inserted and which allows each of the fingers to move from a closed tubular state to an open state, and which positions the mounting depth of the protective cap attached from the tip end of each of the fingers. To use this object protective cap manufacturing device, the lower half of the protective cap, made of a tubular net, is attached to cover each closed finger, and the lower end of the protective cap is brought into contact with the protective cap positioning stand. Next, the lower half of the protective cap is spread by opening each finger, and then the remaining upper half of the protective cap, which has not been spread, is pushed into each open finger to fold the protective cap in half. Finally, after closing each finger, the folded protective cap is removed from each finger. According to the present invention, the protective cap can be easily and reliably folded back in two.

[0009] Furthermore, in addition to the above features, the present invention is characterized by having a moving mechanism that moves the protective cap positioning base toward the longitudinal direction of each finger to change the distance from the protective cap positioning base to the tip of each finger. According to the present invention, it is possible to accommodate protective caps of different lengths, and these various protective caps can be easily folded in half.

[0010] Furthermore, in addition to the above features, the present invention is characterized by the following: each finger is provided with a pressure-receiving portion that is bent in an L-shape toward the center surrounded by each finger at its base; a resilient member receiving base is installed between the protective cap positioning base and the pressure-receiving portion of each finger; a resilient member is provided between each pressure-receiving portion and the resilient member receiving base, which applies a force that causes each finger to swing in the closing direction by resiliently pulling the pressure-receiving portion and the resilient member receiving base apart; and a pressing means is arranged on the side of each pressure-receiving portion opposite to the resilient member, which presses each pressure-receiving portion toward the resilient member, causing each finger to swing in the opening direction against the resilient force of the resilient member. According to the present invention, each finger can be automatically closed by the resilient member and easily opened by the pressing means.

[0011] Furthermore, in addition to the above features, the present invention is characterized by the installation of a spacer between the elastic member and each of the pressed portions, the front and back surfaces of which abut against the elastic member and each of the pressed portions to maintain the end face of the elastic member in a flat state. According to the present invention, the end face of the resilient member can be kept flat, and at the same time, each pressed part can be resilient evenly, so that the opening and closing of each finger can be performed smoothly with uniform resilience.

[0012] In addition to the above features, the present invention is characterized in that each finger is composed of two parts: a finger body having the protective cap contact surface and an L-shaped finger base having the pressed portion, and one end of the finger base is a body fixing portion for fixing the finger body, and the other end is the pressed portion. The part of this object protective cap manufacturing device that is most likely to be damaged is the finger body used to attach and detach the protective cap. However, according to the present invention, if the finger body is damaged, only the damaged part of the finger body can be removed from the finger base and replaced, making repairs easy. [Effects of the Invention]

[0013] According to the present invention, the protective cap can be easily and reliably folded back in two. [Brief explanation of the drawing]

[0014] [Figure 1] This is an overall perspective view of the object protective cap manufacturing apparatus 1-1. [Figure 2] This is an enlarged perspective view of the main parts showing the resilient member 100, the finger base 21, and the finger support mechanism 130. [Figure 3] This is a schematic longitudinal cross-sectional view of protective cap manufacturing apparatus 1-1 (showing only the components necessary to explain its operation). [Figure 4] This is an explanatory diagram of the operation of protective cap manufacturing device 1-1. [Figure 5] This is an explanatory diagram showing a method for folding a protective cap C in a double layer using the object protective cap manufacturing apparatus 1-1. [Figure 6] This is an explanatory diagram showing a method for folding a protective cap C in a double layer using the object protective cap manufacturing apparatus 1-1. [Figure 7] This is an explanatory diagram showing a method for folding a protective cap C in a double layer using the object protective cap manufacturing apparatus 1-1. [Figure 8] Figures 8(a) and 8(b) are explanatory diagrams of the operation of the moving mechanism 70 and are side views of the protective cap manufacturing device 1-1. [Figure 9] This diagram shows how to use protective cap C. [Modes for carrying out the invention]

[0015] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is an overall perspective view of an object protection cap manufacturing apparatus 1-1 according to an embodiment of the present invention. In the following description, "upper" refers to the tip side of the finger 10 described below, and "lower" refers to the opposite direction, but this is not intended to limit the direction when using the object protection cap manufacturing apparatus 1-1.

[0016] As shown in the figure, an object protection cap manufacturing apparatus (hereinafter also referred to as "protection cap manufacturing apparatus") 1-1 includes a plurality (five in this example) of fingers 10 that are substantially rod-shaped and arranged in a cylindrical shape at a predetermined interval, a protection cap positioning base 50 having a finger insertion groove 51 for inserting each finger 10, a moving mechanism 70 that moves the protection cap positioning base 50 in the longitudinal direction (vertical direction in this example) of each finger 10 to change the distance from the protection cap positioning base 50 to the tip of each finger 10, a resilient member receiving base 80 installed at the lower part of the protection cap positioning base 50, a resilient member 100 (not shown in FIG. 1) installed on the lower surface side of the resilient member receiving base 80, a pedestal 120 on which the resilient member 100 and the moving mechanism 70 are placed, a pressing means 110 (only the lever 115 is shown in FIG. 1) installed on the lower surface side of the pedestal 120 to open and close the upper part of each finger 10, and a base 150 on which the entire components are placed.

[0017] FIG. 2 is an enlarged perspective view of the main part showing the resilient member 100 installed on the pedestal 120 shown in FIG. 1, the finger base 21 constituting the root side portion of each finger 10, and a finger support mechanism 130 that supports each finger base 21 so as to be swingable. FIG. 3 is a schematic longitudinal sectional view of the protection cap manufacturing apparatus 1-1 shown in FIG. 1, and is an operation explanatory view showing only the members necessary for explaining the operation.

[0018] Hereinafter, each component constituting the protection cap manufacturing apparatus 1-1 will be described. As shown in Figures 1 and 3, the finger 10 is composed of a substantially flat, rod-shaped finger body 11 extending in the vertical direction and an L-shaped finger base 21 fixed to the base portion of the finger body 11.

[0019] Each finger body 11 is a molded product of synthetic resin, and its outer surface serves as a protective cap contact surface 13 that contacts the inner surface of the protective cap C. The base portion of the finger body 11 serves as the finger base mounting portion 15. The upper part of the finger body 11 is curved toward the opposite side of the protective cap contact surface 13, so that when the five finger bodies 11 are installed in a cylindrical shape, the tip of each finger body 11 curves toward the center (inward) of the cylinder, reducing the outer diameter of the cylinder.

[0020] The finger base 21 is made of a metal plate and, as shown in Figures 2 and 3, has a shape formed by bending a flat plate into a roughly L-shape. One side of the L-shaped bend of the finger base 21 is a body fixing part 23 that is fixed to the finger base mounting part 15 of the finger body 11, and the other side is a pressed part 25 that is pressed by the elastic member 100 and the pressing pin 111 described below.

[0021] The finger body 11 and the finger base 21 are integrated by fixing the finger base mounting portion 15 of the finger body 11 to the inner surface of the body fixing portion 23 of the finger base 21 using a mounting bracket 31 consisting of bolts and nuts, thereby forming the finger 10.

[0022] The protective cap positioning base 50 is made of a metal plate or a resin plate and is formed in a disc shape as shown in Figure 1. Multiple linear finger insertion grooves 51 (five grooves, the number of fingers 10) are formed radially on the protective cap positioning base 50 and penetrate vertically. The finger insertion grooves 51 are formed with a width and length that allows the finger body 11 to be inserted, guides the swinging finger body 11 without rattling in the swinging direction, and restricts movement in the swinging direction. In other words, in this example, the finger insertion grooves 51 also serve as finger guide grooves.

[0023] As shown in Figure 1, the moving mechanism 70 is composed of five rod members 71 (only four are shown in Figure 1) and nuts 73 that are screwed onto male threads cut into the rod members 71. Figure 8 is an explanatory diagram of the operation of the moving mechanism 70 and is a side view of the protective cap manufacturing device 1-1. As shown in Figure 8(a), the nuts 73 fix the protective cap positioning base 50 and the rod members 71 on the lower surface of the protective cap positioning base 50, and also fix the base 120 and the rod members 71 by screwing the upper and lower nuts 73 of the rod members 71 that pass through the base 120 so as to sandwich the base 120.

[0024] To move the protective cap positioning base 50 vertically, loosen the nuts 73 that clamp the base 120, lower the protective cap positioning base 50 as shown in Figure 8(b), and then screw the upper and lower nuts 73 together again to clamp the base 120 at the desired lowered position, thereby fixing the base 120 and the rod member 71. This allows the distance L1 from the top surface of the protective cap positioning base 50 to the tip of each finger 10 to be changed to distance L2.

[0025] The resilient member support base 80 is made of a metal plate or a resin plate and is formed in a disc shape as shown in Figure 1. The resilient member support base 80 has multiple (five, the number of fingers 10) straight finger insertion grooves 81 that penetrate vertically and radially. The finger insertion grooves 81 are formed with a width and length that allows the finger body 11 to be inserted, guides the swinging finger body 11 without rattling in the swinging direction, and restricts movement in the swinging direction. In other words, in this example, the finger insertion grooves 81 also serve as finger guide grooves. The resilient member support base 80 is installed at a predetermined height position on the base 120 described below by multiple support columns 83.

[0026] As shown in Figures 2 and 3, the resilient member 100 is composed of a coil spring in this example, but it may be composed of a resilient member of other structures. A metal, disc-shaped spacer 140 is installed opposite the lower end face of the resilient member 100.

[0027] The base 120 is made of a metal or resin plate and is formed in a rectangular shape. As shown in Figure 3, a circular guide hole 121 is provided in the center of the base that penetrates vertically. The elastic member 100 and the moving mechanism 70 are placed on the upper surface of the base 120, and the pressing means 110 described below are attached to the lower surface.

[0028] As shown in Figure 2, multiple (five) finger support mechanisms 130 are installed around the guide hole 121 on the upper surface of the base 120, surrounding it. Each finger support mechanism 130 is made of metal and is formed in a roughly U-shape, with the central part being the fixing part 131, the parts that bend from both sides of the fixing part 131 being the finger support parts 133, 133 respectively, and the concave part surrounded by these fixing part 131 and finger support parts 133, 133 being the finger insertion part 135.

[0029] Then, each fixing part 131 is fixed onto the base 120, and the finger base 21 is inserted into each finger insertion part 135, and the main body fixing part 23 of the finger base 21 is pivotably attached between the opposing finger support parts 133, 133 by a support member 137 consisting of a bolt and nut.

[0030] As shown in Figure 3, the pressing means 110 consists of a substantially cylindrical metal pressing pin 111 that is inserted into a guide hole 121 of the base 120 and moves up and down while being guided, and a lever (handle) 115 that is pivotably attached to the pivot portion 114 of a lever support jig 113 fixed to the lower surface of the base 120. The lever 115 has an operating portion 116 on the side that protrudes outside the base 120 and a pressing portion 117 near the opposite end. The pressing portion 117 has the function of pushing the lower end surface of the pressing pin 111 upward. The upper and lower surfaces of the pressing pin 111 are spherical (curved) in shape to allow them to smoothly contact the pressed portion 25 and the pressing portion 117, respectively. As a result of these factors, when the operating section 116 is unloaded, the weight of the lever 115 pushes the pressing pin 111 upward, and its upper end surface contacts the lower surface of each of the finger bases 21 near the center where the tips of the pressed portions 25 of each finger base 21 converge.

[0031] As shown in Figure 1, the base 150 is constructed by forming a metal plate into a rectangular shape, and supports the base 120 at predetermined intervals by four support columns 151 (only three are shown in Figure 1). In this way, the base 150 supports all the components that make up the protective cap manufacturing device 1-1.

[0032] To assemble the protective cap manufacturing device 1-1, for example, a pressing means 110 consisting of a pressing pin 111 and a lever 115 is attached to the lower side of the base 120 as shown in Figure 3. Also, five finger support mechanisms 130 are attached to the upper side of the base 120 as shown in Figure 2, and a finger base 21 is pivotably attached to each finger support mechanism 13.

[0033] Next, the base 120 is installed above the base 150 by support columns 151, as shown in Figure 1. Then, as shown in Figures 2 and 3, the spacer 140 and the resilient member 100 are inserted into the space surrounded by each finger base 21. Next, as shown in Figure 1, the resilient member support base 80 is fixed on multiple (5) support columns 83 erected on the base 120, thereby installing the resilient member support base 80 above the base 120 at a predetermined distance apart.

[0034] Next, multiple (five) rod members 71 of the moving mechanism 70 are erected on the base 120 at positions surrounding the resilient member support base 80, and the protective cap positioning base 50 is fixed to the upper part thereof, thereby installing the protective cap positioning base 50 above the resilient member support base 80 at a predetermined distance apart.

[0035] Then, the multiple (5) finger bodies 11 are inserted from above the protective cap positioning base 50 into the respective finger insertion grooves 51 of the protective cap positioning base 50 and into the respective finger insertion grooves 81 of the resilient member receiving base 80. As shown in Figure 3, the finger base mounting portions 15 are then fixed to the body fixing portions 23 of each finger base 21 using mounting brackets 31. This completes the assembly of the protective cap manufacturing device 1-1. It goes without saying that the above assembly procedure is just one example, and other various different assembly procedures may be used.

[0036] As described above, in the unloaded protective cap manufacturing device 1-1, the elastic force of the elastic member 100 causes the spacer 140 to spring downward, as shown in Figure 3. This causes each pressed portion 25 to be pressed downward, and each finger 10 is springed in a direction that closes the upper part of each finger 10, that is, so that each finger 10 stands approximately vertically. At this time, the pressing pin 111 is pressed downward by the pressed portion 25, and the operating portion 116 of the lever 115 is pushed upward (in the direction of arrow A in Figure 3).

[0037] Then, when the operating part 116 of the lever 115 is pushed downward (in the direction of arrow B in Figure 3), the pressing part 117 pushes up the lower surface of the pressing pin 111, causing it to rise. As shown in Figure 4, the upper surface of the pressing pin 111 pushes up the tip portions of the pressed parts 25 of each finger 10. Against the elastic force of the elastic member 100, each finger 10 rotates around the support member 137 of the finger support mechanism 130 as its central axis, swinging radially outward so that the tip portions of each finger 10 separate from each other and open. At this time, because the spacer 140 is interposed, the end face of the elastic member 100 is kept flat, and at the same time, each of the multiple pressed parts 25 is released with equal force. Furthermore, when each finger 10 swings, it is guided within the finger insertion grooves 51 provided in the protective cap positioning base 50 and the finger insertion grooves 81 provided in the elastic member receiving base 80, allowing the swing to be performed more smoothly. The finger insertion grooves 51 and 81 also have the effect of preventing the fingers 10 from opening too wide.

[0038] As described above, the protective cap manufacturing apparatus 1-1 has multiple fingers 10 arranged in a cylindrical shape at predetermined intervals, with their outer circumferences serving as protective cap contact surfaces 13, and the base portion of each finger 10 being pivotably supported by a finger support mechanism 130 so that the tip ends swing in a direction that separates them from each other and opens; a finger insertion groove 51 into which each finger 10 is inserted, allowing each finger 10 to move from a closed cylindrical state to an open state; a protective cap positioning stand 50 for positioning the mounting depth of the protective cap C attached from the tip end of each finger 10; and the protective cap positioning stand 50 for moving each finger 10 in the longitudinal direction to attach the protective cap The device comprises a moving mechanism 70 for changing the distance from the positioning base 50 to the tip of each finger 10, a resilient member support base 80 installed between the protective cap positioning base 50 and the pressed portion 25 provided on the base side of each finger 10, a resilient member 100 between each pressed portion 25 and the resilient member support base 80 that applies a force to swing each finger 10 in the closing direction by resiliently pulling the pressed portion 25 and the resilient member support base 80 apart, and a pressing means 110 positioned on the side of each pressed portion 25 opposite to the resilient member 100 that presses each pressed portion 25 toward the resilient member 100, causing each finger 10 to swing in the opening direction against the resilient force of the resilient member 100. The spacer 140 shown in Figure 3 is installed between the resilient member 100 and each pressed portion 25, with its front and back surfaces in contact with the resilient member 100 and each pressed portion 25, keeping the end face of the resilient member 100 flat and ensuring that each pressed portion 25 is equally elastic.

[0039] Figures 5 to 7 are explanatory diagrams showing a method for folding the protective cap C in half using the protective cap manufacturing apparatus 1-1 described above. To fold the protective cap C in half, first, as shown in Figure 5(a), the protective cap C is attached from above the tip of each finger 10, and then, as shown in Figure 5(b), the lower end of the protective cap C is brought into contact with the upper surface of the protective cap positioning base 50. At this time, the inner circumferential surface of the lower half of the protective cap C is attached so that it touches the protective cap contact surface 13 on the outer circumference of each finger 10, while the upper half is not attached to the finger 10. In other words, the height of the protective cap positioning base 50 is adjusted by the moving mechanism 70 so that the distance L1 from the upper surface of the protective cap positioning base 50 to the tip of each finger 10 is approximately half the total length M1 of the protective cap C, as shown in Figure 5(a).

[0040] During the process of attaching the protective cap C, the tip of each finger 10 is curved toward the center of the cylinder formed by each finger 10, as described above. Therefore, the diameter of the cylinder formed by each finger 10 decreases toward the tip, making it easier to attach the protective cap C. In this example, since each finger body 11 is made of synthetic resin, it is easy to give it appropriate elasticity, which makes it easier to attach the protective cap C.

[0041] Next, when the operating part 116 of the lever 115 shown in Figure 3 is pushed downward (in the direction of arrow B in Figure 3), the tip portions of each finger 10 open apart from each other, as shown in Figure 4 above, and the lower half of the protective cap C opens radially outward, as shown in Figure 6(a).

[0042] While maintaining this state, the unopened upper half of the protective cap C is pressed and folded back by a person's hand or jig Y1, as shown in Figure 6(b), and inserted into the inside of each finger 10 from the upper end portion of each finger 10.

[0043] Next, when the pressing force on the operating part 116 of the lever 115 shown in Figure 4 is released, the elastic force of the resilient member 100 causes each finger 10 to return to its original closed state, as shown in Figure 7(a). As a result, the tension applied to the protective cap C1 when it is opened is removed, and it can be easily pulled out from each finger 10, as shown in Figure 7(b). This makes it possible to easily and reliably create a double-folded protective cap C'.

[0044] As described above, using this protective cap manufacturing device 1-1, the process of folding the protective cap C shown in Figure 9(a) back into the double protective cap C' shown in Figure 9(b) can be easily and reliably performed with consistent work efficiency, without the need for large-scale equipment and without differences in the skill level of the workers.

[0045] On the other hand, when folding a protective cap C of a different length M1 than that shown in Figure 5(a) above, the distance between the upper surface of the protective cap positioning base 50 and the tip of each finger 10 can be readjusted using the moving mechanism 70 so that it is half the length of the protective cap C, and then the folding operation can be performed.

[0046] In the above embodiment, each finger 10 is composed of two parts, a finger body 11 and a finger base 21, because the part of the finger 10 to which the protective cap C is attached is highly susceptible to damage, and this allows for easy replacement of only that part. In other words, if the finger body 11 is damaged, the damaged finger body 11 can be removed from the finger base 21 and replaced, making repairs easier.

[0047] Although embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications are possible within the scope of the claims, specification, and drawings. Furthermore, any shape, structure, or material not directly described in the specification and drawings is within the scope of the technical idea of ​​the present invention as long as it achieves the function and effect of the present invention. For example, in the protective cap manufacturing apparatus 1-1 described above, the finger 10 is composed of two parts, the finger body 11 and the finger base 21, but it may be composed of one part, or three or more parts.

[0048] The configuration of the pressing means 110 can also be various configurations other than the pressing pin 111 and lever 115 configuration. For example, various mechanisms other than manual power, such as a motor, compressed air, or negative pressure air, may be used as the mechanism for moving the pressing pin up and down.

[0049] Furthermore, in Figure 6(b) above, instead of using a human hand or jig Y1 to insert the unopened upper half of the protective cap C into the inside of each finger 10, the object to be protected (for example, a fruit such as an apple) itself may be inserted directly.

[0050] In the above embodiment, the spacer 140 was installed between the elastic member 100 and each pressed portion 25, but in some cases it may be installed below each pressed portion 25.

[0051] Furthermore, the embodiments described above and shown in the figures can be combined, provided that there is no contradiction in their purpose and structure. Also, even if only a part of the descriptions above and shown in the figures is included, each can constitute an independent embodiment, and the embodiments of the present invention are not limited to a single embodiment that combines the above descriptions and figures. [Explanation of symbols]

[0052] C...Protective cap, C'...Double protective cap, D...Article (object), 1-1...Protective cap manufacturing device for objects (protective cap manufacturing device), 10...Finger, 11...Finger body, 13...Protective cap contact surface, 21...Finger base, 23...Body fixing part, 25...Pressed part, 50...Protective cap positioning base, 51...Finger insertion groove, 70...Movement mechanism, 80...Elastic member receiving base, 81...Finger insertion groove, 100...Elastic member, 110...Pressing means, 120...Base, 140...Spacer, 150...Base.

Claims

1. A device for manufacturing protective caps for objects, which involves folding a tubular net protective cap that covers and protects the surroundings of an object twice to prepare it for use, Multiple fingers are arranged in a cylindrical shape at predetermined intervals, with their outer circumferences serving as contact surfaces for protective caps, and their base portions are pivotably supported so that their tips swing apart from each other and open outwards. A protective cap positioning base has finger insertion grooves into which each of the aforementioned fingers can be inserted and which allows each of the fingers to move from a closed cylindrical state to an open state, and a protective cap positioning base that positions the mounting depth of the protective cap attached from the tip side of each of the aforementioned fingers, A device for manufacturing protective caps for objects, characterized by having the following features.

2. Apparatus for manufacturing protective caps for objects according to claim 1, The protective cap positioning base has a moving mechanism that moves it in the longitudinal direction of each finger to change the distance from the protective cap positioning base to the tip of each finger. A device for manufacturing protective caps for objects, characterized by the following features.

3. Apparatus for manufacturing protective caps for objects according to claim 1, Each of the aforementioned fingers is provided with a pressure-receiving portion at its base that is bent in an L-shape toward the center surrounded by each finger. On the other hand, a resilient member receiving base is installed between the protective cap positioning base and the pressed portion of each finger, Between each of the pressed parts and the elastic member support base, an elastic member is provided that applies a force to swing each finger in the closing direction by elastically moving in a direction that separates each of the pressed parts and the elastic member support base, A pressing means is positioned on the side of each pressed portion opposite to the elastic member, and presses each pressed portion toward the elastic member, causing each finger to swing in an opening direction against the elastic force of the elastic member. A device for manufacturing protective caps for objects, characterized by having the following features.

4. Apparatus for manufacturing protective caps for objects according to claim 3, An apparatus for manufacturing protective caps for objects, characterized in that a spacer is installed between the elastic member and each of the pressed portions, the front and back surfaces of which abut the elastic member and each of the pressed portions to maintain the end face of the elastic member in a flat state.

5. Apparatus for manufacturing protective caps for objects according to claim 3, Each of the aforementioned fingers is composed of two parts: a finger body having the protective cap contact surface and an L-shaped finger base having the pressure-receiving portion. The apparatus for manufacturing protective caps for objects is characterized in that the finger base has one end serving as a body fixing portion for fixing the finger body and the other end serving as the portion to be pressed.

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