Tool bearing device and tool switching system

Abstract

The utility model relates to the technical field of vehicle part production lines, aims to solve the problem of how to improve the flexibility degree of a tool bearing device, and provides the tool bearing device and a tool switching system. The tool bearing device comprises a bearing seat and a tray. The bearing seat comprises a base and a first positioning part; the base is used for bearing a tool and provided with a receding groove penetrating in the vertical direction. The tray comprises a tray body and a second positioning part; the shape of the disc body is matched with the receding groove. The disc body is configured to be movably matched with the receding groove in the vertical direction so that the second positioning part and the first positioning part can be mutually positioned with the tool in the vertical direction. The tool bearing device has the beneficial effects that due to the fact that the first positioning part and the second positioning part can stretch into the tool in the vertical direction for positioning, limitation on the appearance of the tool is reduced, the tool bearing device can be suitable for tools with different appearances, and therefore the flexibility degree of the tool bearing device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle parts production line, in particular to a tool carrying device and a tool switching system. BACKGROUND

[0002] In order to replace the corresponding tool according to the vehicle model and configuration requirements, the related technology provides a tool carrying device which positions the outer frame of the tool, so it is not convenient to switch the tools with different shapes, and the flexibility is low. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a tool carrying device and a tool switching system to solve the problem of how to improve the flexibility of the tool carrying device.

[0004] According to one aspect of the present application, a tool carrying device is provided, comprising a carrying seat and a tray. The carrying seat comprises a base and a first positioning part; the base is used to carry a tool, and the base is provided with a vertical through-positioning slot. The tray comprises a disc body and a second positioning part; the shape of the disc body is adapted to the through-positioning slot; the disc body is configured to be movably fitted in the vertical through-positioning slot, so that the second positioning part and the first positioning part are respectively positioned with the tool in the vertical direction.

[0005] The above-mentioned tool carrying device, because the first positioning part and the second positioning part can be vertically inserted into the tool positioning, reduces the limitation on the shape of the tool, so that the tool carrying device can be applied to tools with different shapes, thereby improving the flexibility of the tool carrying device.

[0006] In one embodiment, the through-positioning slot penetrates one side of the base in the horizontal direction.

[0007] In one embodiment, the base comprises a first part, a second part and a connecting part. The first part and the second part are arranged in the horizontal direction, and the connecting part is connected between the first part and the second part, so that the first part, the second part and the connecting part jointly define the through-positioning slot.

[0008] In one embodiment, the first positioning part has a plurality of first positioning parts, and the plurality of first positioning parts are respectively arranged on the first part and the second part.

[0009] In one embodiment, the through-positioning slot has a horizontal slot opening and a slot bottom surface. The tool carrying device further comprises a first limiting piece, and the first limiting piece is arranged on the slot bottom surface.

[0010] In one embodiment, the tool carrying device further comprises a second limiting piece. The second limiting piece is arranged on the base and protrudes from the side of the base where the first positioning part is arranged in the vertical direction, and the second limiting piece is used to limit the tool.

[0011] In one of the embodiments, the tool carrying device further comprises a guiding assembly arranged on the slot wall of the slot.

[0012] In one of the embodiments, the guiding assembly comprises two guiding plates and eyelet balls. The guiding plates are connected to the slot wall of the slot, and the eyelet balls are arranged on the side of the guiding plates away from the base.

[0013] According to another aspect of the present application, there is provided a tool switching system, comprising:

[0014] a plurality of tools, each of the tools being provided with a first positioning hole and a second positioning hole, the first positioning hole and the second positioning hole being arranged in a horizontal direction;

[0015] the tool carrying device according to any one of the above embodiments, the first positioning part being movably fitted into the first positioning hole in a vertical direction, and the second positioning part being movably fitted into the second positioning hole in a vertical direction; and

[0016] a carrying device for driving the tray into different slots respectively, and for driving the tray and the tool to be lifted so as to lift the tool on the carrying seat by the tray, or to place the tool carried by the tray on the carrying seat.

[0017] In one of the embodiments, the disc body is provided with a socket. The carrying device comprises a vehicle body and a fork body, the fork body being connected to the vehicle body and being capable of being lifted relative to the vehicle body, and the fork body being arranged in the socket. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0019] Figure 1 FIG. 1 is a schematic view of a tool switching system in an embodiment of the present application (only the fork body of the carrying device is shown in the figure).

[0020] Figure 2 FIG. 2 is a side view of the tool, the tool carrying device and the carrying device in the embodiment shown in FIG. 1. Figure 1

[0021] Figure 3 FIG. 3 is a structural schematic view of the tool carrying device in the embodiment shown in FIG. 1 (the tool and the fork body are additionally shown in the figure). Figure 1

[0022] Figure 4 FIG. 4 is a structural schematic view of the tool in the embodiment shown in FIG. 1. Figure 1 ​​​

[0023] Figure 5 Fig. 6 is a bottom view of the tool in the embodiment shown in Fig. 1. Figure 1

[0024] Figure 6 Fig. 7 is a structural schematic view of the tray in the embodiment shown in Fig. 1. Figure 1

[0025] Figure 7 Fig. 8 is a structural schematic view of the carrier seat in the embodiment shown in Fig. 1. Figure 1

[0026] Figure 8 Fig. 9 is a top view of the carrier seat in the embodiment shown in Fig. 1. Figure 1

[0027] Figure 9 Fig. 10 is a partial structural schematic view of the tool and the carrier seat in the embodiment shown in Fig. 1. Figure 1

[0028] Main element symbol explanation:

[0029] Tool switching system 1000

[0030] Working position 1000a

[0031] Tool storage position 1000b

[0032] Tool carrying device 100

[0033] Carrier seat 10

[0034] Base 11

[0035] Letting go slot 11a

[0036] Slot 11b

[0037] Slot bottom surface 1101

[0038] First part 111

[0039] Second part 112

[0040] Connecting part 113

[0041] First positioning part 12

[0042] Main positioning part 1201

[0043] Tray 20

[0044] Auxiliary positioning part 1202

[0045] First guide structure 121

[0046] Disc body 21

[0047] Jack 21a​​​​​

[0048] Second positioning portion 22

[0049] First limiting member 30

[0050] Second limiting member 40

[0051] Guide assembly 50

[0052] Guide plate 51

[0053] Tooling 200

[0054] First positioning hole 200a

[0055] Second guide structure 210a

[0056] Main positioning hole 201a

[0057] Auxiliary positioning hole 202a

[0058] Second positioning hole 200b

[0059] Carrying device 300

[0060] Vehicle body 310

[0061] Fork body 320

[0062] The following detailed description will further describe the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0063] The technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0064] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. When an element is referred to as being "disposed on" another element, it can be directly on the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0065] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0066] Some embodiments of the present application are described in detail. The following embodiments and features of the embodiments can be combined with each other in the case of no conflict.

[0067] Embodiments

[0068] Figure 1 A schematic view of a tool switching system 1000 in an embodiment of the present application (only the forks 320 of the carrying device 300 are shown in the figure); Figure 2 A schematic view of a tool 200 in an embodiment of the present application; Figure 1 A side view of the tool 200, the tool carrying device 100 and the carrying device 300 in the embodiment shown; Figure 3 A schematic view of the structure of the tool 200 in the embodiment shown; Figure 1 A schematic view of the structure of the tool carrying device 100 in the embodiment shown (the tool 200 and the forks 320 are additionally shown in the figure); Figure 4 A schematic view of the structure of the tool 200 in the embodiment shown; Figure 1 A schematic view of the structure of the tool 200 in the embodiment shown; Figure 5 A bottom view of the tool 200 in the embodiment shown; Figure 1 A bottom view of the tool 200 in the embodiment shown; Figure 6 A schematic view of the structure of the tray 20 in the embodiment shown; Figure 1 A schematic view of the structure of the tray 20 in the embodiment shown; Figure 7 A schematic view of the structure of the carrying seat 10 in the embodiment shown. Figure 1 Referring to

[0069] , the present embodiment provides a tool switching system 1000, which comprises a plurality of tools 200 (only one is shown in the figure), a tool carrying device 100 and a carrying device 300. Figures 1 to 3 As shown in

[0070] and Figure 4 , the bottom of the tool 200 is respectively provided with a first positioning hole 200a and a second positioning hole 200b, and the first positioning hole 200a and the second positioning hole 200b are arranged in a horizontal direction. Please continue to refer to Figure 5 and Figure 6 , the tool carrying device 100 comprises a carrying seat 10 and a tray 20, the carrying seat 10 comprises a base 11 and a first positioning part 12, the base 11 is used for carrying the tool 200, the base 11 is provided with a vertical through- going accommodation slot 11a, and the tray 20 comprises a disc body 21 and a second positioning part 22. The first positioning part 12 is movably fitted in the first positioning hole 200a in a vertical direction, and the second positioning part 22 is movably fitted in the second positioning hole 200b in a vertical direction. The carrying device 300 is used for driving the tray 20 to enter different accommodation slots 11a respectively, and is used for driving the tray 20 and the tool 200 to lift, so as to lift the tool 200 on the carrying seat 10 by the tray 20, or place the tool 200 carried by the tray 20 on the carrying seat 10. Figure 7 ​

[0071] The tool switching system 1000 described above, when the tool 200 placed on the carrier seat 10 needs to be removed, first transports the tray 20 to the position of the carrier seat 10 by the carrying device 300, and makes the tray 20 enter the accommodation slot 11a of the carrier seat 10, then lifts the tray 20 by the carrying device 300, separates the tool 200 from the carrier seat 10, and then transports the tray 20 and the tool 200 to other positions by the carrying device 300. When the tool 200 needs to be placed on the carrier seat 10, first make the tool 200 carried on the tray 20, then transport the tray 20 and the tool 200 to the position of the carrier seat 10 by the carrying device 300, then make the tray 20 enter the accommodation slot 11a, and then make the tray 20 descend until the tool 200 carried on the tray 20 is placed on the carrier seat 10. In this way, the tool 200 on the carrier seat 10 can be switched by removing the tool 200 on the carrier seat 10 and placing another tool 200 on the carrier seat 10, for example, the tool 200 on the carrier seat 10 can be switched according to the vehicle type or configuration requirements, so as to realize the flexible production line. And because the positioning mode of the tray 20 and the carrier seat 10 and the tool 200 is simple, that is, the tool 200 is placed vertically on the carrier seat 10 or the tray 20, and the first positioning part 12 passes through the first positioning hole 200a and the second positioning part 22 passes through the second positioning hole 200b, the positioning of the tool 200, the carrier seat 10 and the tray 20 is realized respectively, so that the tool switching system 1000 is quickly positioned, which is beneficial to shorten the switching time of the tool 200, and respectively improve the positioning accuracy of the tool 200, the carrier seat 10 and the tray 20, simplify the structure, reduce the processing cost of the tool 200, the carrier seat 10 and the tray 20, reduce the failure rate and labor intensity.

[0072] Optionally, as shown in Figure 1 The carrier seat 10 has a plurality of carrier seats 10, one of which is located at the working position 1000a for producing products, and the other carrier seats 10 are located at the tool storage position 1000b for placing unused tools 200. In this way, the tool storage position 1000b and the working position 1000a can be separately arranged, which is beneficial to reduce the occupied space of the tool switching system 1000, effectively save the surrounding space of the production line, and make the production line simple and compact. And because the carrier seat 10 of the tool storage position 1000b also realizes positioning through the cooperation of the first positioning part 12 and the first positioning hole 200a (see Figure 3 and Figure 4 ), it ensures that the tool 200 is placed in the tool storage position 1000b safely and reliably.

[0073] In use, the first tooling 200 is placed on the support 10 of workstation 1000a. When production of the product using the first tooling 200 is finished, the pallet 20 is lifted by the transport device 300 to remove the first tooling 200 from the support 10 of workstation 1000a. The first tooling 200 is then transported and placed on the support 10 of a tooling storage location 1000b. Then, the transport device 300 removes the second tooling 200 from the support 10 of another tooling storage location 1000b, transports the second tooling 200, and places it on the support 10 of workstation 1000a, thus switching the tooling 200. At this point, the second tooling 200 can be used for product production. The transport device 300 ensures that the tooling 200 switching time is less than or equal to 3 minutes.

[0074] In some embodiments, there may be multiple conveying devices 300 (not shown) to further shorten the changeover time of tooling 200. For example, there may be two conveying devices 300. In use, before the first tooling 200 stops production, both conveying devices 300 can be positioned next to the workstation 1000a, with one conveying device 300 carrying the second tooling 200. After the first tooling 200 finishes production, the first tooling 200 can be removed by the uncarried conveying device 300, and then the other conveying device 300 can place the second tooling 200 on the support seat 10 of the workstation 1000a. This can reduce the tooling changeover time to less than 1 minute.

[0075] In some embodiments, such as Figure 6 As shown, the disk body 21 is provided with a socket 21a. Combined with... Figure 2 As shown, the handling device 300 includes a vehicle body 310 and forks 320. The forks 320 are connected to the vehicle body 310 and can be raised and lowered relative to the vehicle body 310. The forks 320 pass through the insertion holes 21a. This allows the handling device 300 to be connected to the pallet 20 via the insertion holes 21a, meaning the handling device 300 can be equipped with a forklift, thus reducing the development difficulty and cost of the handling device 300. It is understood that the insertion holes 21a on the pallet 20 can be configured according to the size of the forks 320, thus providing high versatility for different models of forklifts. Optionally, the insertion holes 21a extend horizontally.

[0076] Figure 8 for Figure 1 A top view of the support 10 in the illustrated embodiment.

[0077] See Figure 7 and Figure 8 In this embodiment, the tooling support device 100 has a vertically penetrating relief groove 11a on its base 11, combined with... Figure 3 and Figure 6As shown, the shape of the disc body 21 is adapted to the accommodating slot 11a. The disc body 21 is configured to be movably fitted in the accommodating slot 11a in the vertical direction, so that the second positioning part 22 and the first positioning part 12 are respectively positioned with the tooling 200 in the vertical direction.

[0078] The tooling carrying device 100 described above, by setting the first positioning part 12 and the second positioning part 22, respectively, is conducive to improving the positioning accuracy of the tooling 200 with the carrying seat 10 and the tray 20, and since the first positioning part 12 and the second positioning part 22 can extend into the tooling 200 for positioning in the vertical direction, the limitation on the shape of the tooling 200 is reduced, so that the tooling carrying device 100 can be applied to toolings 200 of different shapes, thereby improving the flexibility of the tooling carrying device 100. And when the tooling 200 is placed on the base 11 or the disc body 21, and the first positioning part 12 and the second positioning part 22 respectively extend into the tooling 200, the positioning accuracy of the tooling 200 with the base 11 is ensured by the weight of the tooling 200 itself, thereby ensuring the machining accuracy of the tooling 200 on the product.

[0079] The related art provides a tooling carrying device, which positions the frame of the tooling, resulting in a higher requirement for the machining accuracy of the frame of the tooling, thereby increasing the machining cost of the tooling, and since the frame of the tooling is used for positioning, the tooling carrying device can only be applied to the switching of toolings of the same size. In the above embodiment, since the frame of the tooling 200 does not need to be positioned, the machining cost of the tooling 200 is reduced, and the flexibility of the tooling carrying device 100 is improved.

[0080] In order to facilitate the tray 20 to enter the accommodating slot 11a, in some embodiments, in combination with Figure 6 and Figure 7 As shown, the accommodating slot 11a penetrates one side of the base 11 in the horizontal direction, so that the tray 20 can be moved into the accommodating slot 11a in the horizontal direction, and can be moved out of the accommodating slot 11a in the horizontal direction. In use, the tray 20 can be driven by the carrying device 300 to translate in the horizontal direction, so that the tray 20 enters or exits the accommodating slot 11a, improving the convenience of switching the tooling 200.

[0081] In some embodiments, as shown in Figure 7 and Figure 8 The base 11 includes a first part 111, a second part 112, and a connecting part 113. The first part 111 and the second part 112 are arranged in the horizontal direction, and the connecting part 113 is connected between the first part 111 and the second part 112, so that the first part 111, the second part 112, and the connecting part 113 together define the accommodating slot 11a. In this way, the first part 111 and the second part 112 can respectively carry the tooling 200 (seeFigure 4 two sides in horizontal direction, so that the carrier 10 can bear the tooling 200 more reliably and the structure of the carrier 10 is simple.

[0082] In some embodiments, as shown in Figure 7 and Figure 8 , the first positioning part 12 is provided with a plurality of first positioning parts 12, and the plurality of first positioning parts 12 are respectively arranged on the first part 111 and the second part 112, so as to improve the positioning accuracy of the carrier 10 and the tooling 200 (see Figure 4 ).

[0083] In some embodiments, as shown in Figure 8 , the first positioning part 12 is provided with two first positioning parts 12, and the two first positioning parts 12 are respectively a main positioning part 1201 and an auxiliary positioning part 1202. In combination with Figure 5 , the tooling 200 is provided with two first positioning holes 200a, and the two first positioning holes 200a are respectively a main positioning hole 201a and an auxiliary positioning hole 202a. The main positioning part 1201 is movably fitted in the main positioning hole 201a in the vertical direction, and the auxiliary positioning part 1202 is movably fitted in the auxiliary positioning hole 202a in the vertical direction, so as to further improve the positioning accuracy of the carrier 10 and the tooling 200. Optionally, the cross sections of the main positioning part 1201 and the auxiliary positioning part 1202 are circular, the main positioning hole 201a is configured as a circular hole, and the auxiliary positioning hole 202a is configured as an oblong hole, so as to improve the positioning accuracy and make the tooling 200 and the carrier 10 fit smoothly. For example, the hole diameter of the main positioning hole 201a is 100 mm, the length of the auxiliary positioning hole 202a is 120 mm, and the hole diameter of the auxiliary positioning hole 202a is 100 mm. The fitting accuracy of the main positioning hole 201a and the main positioning part 1201 and the fitting accuracy of the auxiliary positioning hole 202a and the auxiliary positioning part 1202 are both less than or equal to 0.1 mm.

[0084] Figure 9 For Figure 1 , the partial structure schematic diagram of the tooling 200 and the carrier 10 in the embodiment is shown.

[0085] In some embodiments, as shown in Figure 9 , the first positioning part 12 is provided with a first guide structure 121 at the end away from the base 11, and the bottom end of the first positioning hole 200a is provided with a second guide structure 210a, so that the first positioning part 12 can be more smoothly fitted in the first positioning hole 200a. Optionally, the first guide structure 121 can be a guide angle, and the second guide structure 210a can be a chamfer.

[0086] In some embodiments, in combination with Figure 5 and Figure 6 , the first positioning part 12 is provided with a first guide structure 121 at the end away from the base 11, and the bottom end of the first positioning hole 200a is provided with a second guide structure 210a, so that the first positioning part 12 can be more smoothly fitted in the first positioning hole 200a. Optionally, the first guide structure 121 can be a guide angle, and the second guide structure 210a can be a chamfer.As shown, there are two second positioning holes 200b and two second positioning parts 22, each of which is movably fitted into one of the two second positioning holes 200b. For example, the diameter of the second positioning hole 200b is 65 mm, and the fitting accuracy between the second positioning hole 200b and the second positioning part 22 is less than or equal to 0.5 mm. The end of the second positioning part 22 away from the tray 20 is provided with a guide angle, and the bottom end of the second positioning hole 200b is provided with a chamfer. This improves the positioning accuracy of the tooling 200 and the tray 20, and ensures smooth mating between them.

[0087] In some embodiments, such as Figure 7 As shown, the relief groove 11a has horizontally opposite openings 11b and a bottom surface 1101. The tooling support device 100 also includes a first limiting member 30, which is disposed on the bottom surface 1101 of the groove to limit the pallet 20 (see... Figure 6 The depth limit of the tray 20 entering the relief groove 11a is determined. During use, as the tray 20 enters the relief groove 11a horizontally, when the front end of the tray 20 contacts the first limiting member 30 in the forward direction, the tray 20 and the support seat 10 are properly engaged. At this time, the tray 20 can be raised or lowered to lift or lower the tooling 200. Optionally, the first limiting member 30 is made of resin. Optionally, there are multiple first limiting members 30, which are spaced apart on the bottom surface 1101 of the groove. In this embodiment, there are two first limiting members 30.

[0088] In some embodiments, such as Figure 7 As shown, the tooling support device 100 also includes a second limiting member 40. The second limiting member 40 is disposed on the base 11 and protrudes vertically from the side of the base 11 where the first positioning part 12 is located. The second limiting member 40 is used to limit the tooling 200 (see...) Figure 3 ( ) Limiting. In this way, before the tooling 200 is placed vertically and positioned on the support 10, the tooling 200 can be pre-positioned by the second limiting member 40. For example, in use, when the front end of the tooling 200 in the forward direction of the pallet 20 contacts the second limiting member 40, the tooling 200 is in position in the forward direction of the pallet 20, that is, the first positioning part 12 is aligned with the first positioning hole 200a. At this time, the pallet 20 drives the tooling 200 to descend, so that the first positioning part 12 extends into the first positioning hole 200a, and the tooling 200 is placed on the support 10. Then the pallet 20 continues to descend, so that the second positioning part 22 leaves the tooling 200, thereby allowing the pallet 20 to move out of the relief groove 11a.

[0089] In some embodiments, such as Figure 7As shown, the tool carrying device 100 further comprises a guide assembly 50 arranged on the wall surface of the accommodation slot 11a to provide a guiding effect when the tray 20 enters the accommodation slot 11a. For example, when the tray 20 enters the accommodation slot 11a in the horizontal direction, the guide assembly 50 can provide a guiding effect in the advancing direction of the tray 20.

[0090] In some embodiments, as shown in FIG. 1, the tool carrying device 100 further comprises a guide assembly 50 arranged on the wall surface of the accommodation slot 11a to provide a guiding effect when the tray 20 enters the accommodation slot 11a. Figure 7 As shown, the guide assembly 50 comprises two guide plates 51 and eye-shaped balls (not shown). The guide plates 51 are connected to the wall surface of the accommodation slot 11a, and the eye-shaped balls are arranged on the side of the guide plates 51 away from the base 11 to provide a guiding and impact buffering effect for the tray 20.

[0091] In some embodiments, the guide assembly 50 comprises two guide plates 51, and the two guide plates 51 are respectively arranged on the two sides of the tray 20. The guide plates 51 extend along the extension direction of the accommodation slot 11a, and a plurality of eye-shaped balls are arranged on the guide plates 51 and distributed along the extension direction of the accommodation slot 11a.

[0092] The above embodiments are only used to illustrate the technical solutions of the present application and not to limit the present application. Although the present application has been described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application.

Claims

1. A tool carrier device, characterized by The tool carrier device comprises: a bearing seat comprising a base and a first positioning part; the base is used for bearing a tool, and is provided with a clearance slot penetrating in the vertical direction; and a tray comprising a tray body and a second positioning part; the tray body is shaped to fit the clearance slot; the tray body is configured to be movably fitted in the vertical direction in the clearance slot, so that the second positioning part and the first positioning part are respectively positioned in the vertical direction with the tool.

2. The tool carrier apparatus of claim 1, wherein: The clearance slot penetrates one side of the base in the horizontal direction.

3. The tool carrier apparatus of claim 2, wherein: The base comprises a first part, a second part and a connecting part; the first part and the second part are arranged in the horizontal direction, and the connecting part is connected between the first part and the second part, so that the first part, the second part and the connecting part jointly define the clearance slot.

4. The tool carrier apparatus of claim 3, wherein: The first positioning part has a plurality of first positioning parts, which are respectively arranged on the first part and the second part.

5. The tool carrier apparatus of claim 2, wherein: The clearance slot has a slot opening and a slot bottom surface in the horizontal direction; The tool carrier device further comprises a first limiting part, which is arranged on the slot bottom surface.

6. The tool carrier apparatus of claim 1, wherein: The tool carrier device further comprises a second limiting part; The second limiting part is arranged on the base and protrudes from the side of the base where the first positioning part is arranged in the vertical direction, and is used for limiting the tool.

7. The tool carrier apparatus of claim 1, wherein: The tool carrier device further comprises a guide assembly arranged on the slot wall surface of the clearance slot.

8. The tool carrier apparatus of claim 7, wherein: The guide assembly comprises two guide plates and a bullseye ball; The guide plates are connected to the slot wall surface of the clearance slot, and the bullseye ball is arranged on the side of the guide plates away from the base.

9. A tool change system characterized by, The tool carrier device comprises: a plurality of tools, the bottom of each tool is respectively provided with a first positioning hole and a second positioning hole, and the first positioning hole and the second positioning hole are arranged in the horizontal direction; The tool carrier device according to any one of claims 1 to 8, the first positioning part is movably fitted in the vertical direction in the first positioning hole, and the second positioning part is movably fitted in the vertical direction in the second positioning hole; and a conveying device used for driving the tray to enter different clearance slots respectively, and used for driving the tray and the tool to lift, so that the tray lifts the tool on the bearing seat, or the tray carries the tool and places it on the bearing seat.

10. The tool change system of claim 9, wherein: The tray body is provided with a socket; The conveying device comprises a vehicle body and a fork body, the fork body is connected to the vehicle body and can be lifted relative to the vehicle body, and the fork body is arranged in the socket.

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