Alternating type material box clamping and positioning device

Abstract

The utility model discloses an alternating type material box clamping and positioning device which comprises a rotary disc mechanism, a clamping mechanism, a limiting mechanism and a releasing mechanism. The rotating disc mechanism comprises a first driving assembly and a rotating disc, two containing positions used for containing material boxes are formed on the rotating disc, and the output end of the first driving assembly is connected with the rotating disc and can drive the rotating disc to rotate so that the two containing positions can be alternately located at a needle withdrawing and assembling station and a feeding and discharging station; the clamping mechanism is arranged at the containing position and used for clamping the material box in the horizontal direction. The limiting end of the limiting mechanism is located above the needle withdrawing and assembling station and used for limiting the top of the material box. The releasing mechanism is arranged on the feeding and discharging station and used for releasing the clamping state of the material boxes in the feeding and discharging station in the horizontal direction. According to the alternate type material box clamping and positioning device, the accuracy of the position of the material box during needle withdrawing and assembling can be improved, and meanwhile the needle withdrawing and assembling efficiency is also improved.

Description

Technical Field

[0001] The present application relates to the technical field of positioning and clamping of a turntable fixture, and in particular to an alternating material box clamping and positioning device. Background Art

[0002] In the related art, the needle withdrawal includes needle withdrawal and needle matching. Needle withdrawal refers to taking out the worn drill needle from the material box, and needle matching refers to reinserting a new drill needle into the material box for use in drilling holes in the circuit board. However, in the process of needle withdrawal, the material box needs to be positioned and fixed. Therefore, how to ensure the accuracy of the position of the material box when withdrawing the needle and improve the efficiency of needle withdrawal is a problem that needs to be solved at present. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes an alternating magazine clamping and positioning device, which can improve the accuracy of the magazine position when withdrawing needles, and also improve the efficiency of withdrawing needles.

[0004] According to the embodiment of the utility model, the alternating material box clamping and positioning device includes: a turntable mechanism, a clamping mechanism, a limiting mechanism and a releasing mechanism; the turntable mechanism includes a first driving component and a turntable, and two accommodating positions for accommodating the material box are formed on the turntable, and the output end of the first driving component is connected to the turntable, and can drive the turntable to rotate so that the two accommodating positions are alternately in the needle withdrawal station and the loading and unloading station; the clamping mechanism is arranged at the accommodating position and is used to clamp the material box in the horizontal direction; the limiting end of the limiting mechanism is located above the needle withdrawal station, and is used to limit the top of the material box; the releasing mechanism is arranged at the loading and unloading station, and is used to release the clamping state of the material box in the horizontal direction in the loading and unloading station.

[0005] The alternating material box clamping and positioning device according to the embodiment of the utility model has at least the following beneficial effects: the alternating material box clamping and positioning device comprises a turntable mechanism, a clamping mechanism, a releasing mechanism and a limiting mechanism; the turntable mechanism comprises a turntable and a first driving assembly for driving the turntable to rotate, and the two accommodating positions arranged on the turntable can be located alternately at the needle withdrawal station and the loading and unloading station under the drive of the first driving assembly, and the accommodating positions are used to place the material box; and a clamping mechanism is arranged at the accommodating position for clamping the material box in the horizontal direction, so as to facilitate the horizontal positioning of the material box at the needle withdrawal station, and also limit the position. The limiting end of the positioning mechanism limits the top of the material box, thereby preventing the material box located at the needle withdrawal position from being moved away from the accommodation position during the needle withdrawal process; and when the accommodation position is rotated to the loading and unloading position, the horizontal clamping of the material box can be released by the release mechanism, thereby facilitating the unloading of the material box and the loading of the next material box; therefore, the alternating material box clamping and positioning device of the present application is able to position the material box when withdrawing the needle, thereby improving the accuracy of the material box position when withdrawing the needle. At the same time, since the turntable is provided with two accommodation positions, the loading and unloading and needle withdrawal processes can be carried out simultaneously, thereby also improving the efficiency of needle withdrawal.

[0006] According to some embodiments of the utility model, the limiting mechanism includes a third drive component and a limiting component, the limiting end is a limiting component connected to the output end of the third drive component, and the limiting component can translate under the drive of the third drive component to select a position above one of the accommodating positions.

[0007] According to some embodiments of the present invention, the limiting mechanism is disposed on the turntable, the limiting assembly is located between two accommodating positions, and can be moved to above one of the accommodating positions under the drive of the third driving assembly.

[0008] According to some embodiments of the present invention, the limiting mechanism further includes an adjusting component, which is connected to the third driving component and the limiting component and is used to adjust the horizontal position and / or vertical position of the limiting component.

[0009] According to some embodiments of the utility model, the limiting mechanism also includes a connecting component, which is connected to the output end of the third driving component, the adjusting component connects the connecting component and the limiting component, and the limiting component includes a first limiting member and a second limiting member respectively connected to both ends of the connecting component, and the first limiting member and the second limiting member are respectively used to limit the top of the material box on the two accommodating positions.

[0010] According to some embodiments of the present utility model, the clamping mechanism includes a clamping assembly and an elastic assembly. The elastic assembly connects the clamping assembly and the turntable and is used to provide elastic force for the clamping assembly to cooperate with the turntable to clamp the material box.

[0011] According to some embodiments of the utility model, one of the release mechanism and the clamping assembly is provided with a rolling member, and the other is provided with a guide surface. The rolling member is provided with a rolling surface. When the accommodating position is rotated to the loading and unloading station, the rolling surface can abut against the guide surface and roll relatively, so that the release mechanism can push the clamping assembly to release the material box.

[0012] According to some embodiments of the utility model, the clamping assembly includes a first clamping group and a second clamping group, the turntable is provided with a first boss and a second boss, and the first clamping group, the second clamping group, the first boss and the second boss are combined to form a receiving position.

[0013] According to some embodiments of the utility model, the first clamping group includes a horizontal plate and a vertical plate connected to each other. For the accommodating position in the needle withdrawal station, the vertical plate is used to cooperate with the first boss to clamp the material box along the first direction. The horizontal plate and the limiting assembly are respectively located on both sides of the accommodating position in the first direction, and both are used to limit the top of the material box.

[0014] According to some embodiments of the utility model, a guide assembly is further included. The turntable is provided with a guide hole. The guide assembly is fixedly connected to the clamping mechanism and is passed through the guide hole.

[0015] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 It is a schematic diagram of the overall structure of one embodiment of the alternating material box clamping and positioning device of the utility model from a certain perspective;

[0018] Figure 2 for Figure 1 A schematic diagram of the overall structure of the alternating material box clamping and positioning device from another perspective shown in FIG.

[0019] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0020] Figure 4 for Figure 1 A schematic diagram of the overall structure of the alternating material box clamping and positioning device from a third perspective shown in FIG.

[0021] Figure 5 for Figure 1 A schematic diagram of the structure of a material box, a clamping assembly, an elastic assembly and a guide assembly in the alternating material box clamping and positioning device shown in FIG.

[0022] Figure 6for Figure 1 Schematic diagram of the structure of the turntable in the alternating material box clamping and positioning device shown in FIG.

[0023] Reference numerals:

[0024] Turntable mechanism 100; turntable 110; accommodating position 111; weight-reducing hole 112; first boss 113; second boss 114; avoidance hole 115; first drive assembly 120; clamping mechanism 200; first clamping group 210; horizontal plate 211; vertical plate 212; second clamping group 220; elastic assembly 230; release mechanism 300; rolling element 310; fourth drive assembly 320; limiting mechanism 400; third drive assembly 410; limiting assembly 420; connecting assembly 430; loading and unloading station 510; needle removal station 520; guide assembly 610; guide assembly 620; material box 700. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0026] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0027] In the description of this application, "several" means more than one, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0028] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0029] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0030] Reference below Figures 1 to 6 The alternate material box clamping and positioning device according to an embodiment of the utility model is described.

[0031] like Figure 1 to Figure 2 As shown, the alternating material box clamping and positioning device according to the embodiment of the utility model includes: a turntable mechanism 100, a clamping mechanism 200, a limiting mechanism 400 and a releasing mechanism 300; the turntable mechanism 100 includes a first driving component 120 and a turntable 110, and two accommodating positions 111 for accommodating the material box 700 are formed on the turntable 110, and the output end of the first driving component 120 is connected to the turntable 110, and can drive the turntable 110 to rotate, so that the two accommodating positions 111 are alternately in the needle withdrawal station 520 and the loading and unloading station 510; the clamping mechanism 200 is arranged at the accommodating position 111 and is used to clamp the material box 700 in the horizontal direction; the limiting end of the limiting mechanism 400 is located above the needle withdrawal station 520, and is used to limit the top of the material box 700; the releasing mechanism 300 is arranged at the loading and unloading station 510, and is used to release the clamping state of the material box 700 in the horizontal direction in the loading and unloading station 510.

[0032] It can be understood that this alternating material box clamping and positioning device includes a turntable mechanism 100, a clamping mechanism 200, a releasing mechanism 300 and a limiting mechanism 400; the turntable mechanism 100 includes a turntable 110 and a first driving assembly 120 for driving the turntable 110 to rotate, and the two accommodating positions 111 arranged on the turntable 110 can be located alternately at the needle withdrawal station 520 and the loading and unloading station 510 under the drive of the first driving assembly 120, and the accommodating position 111 is used to place the material box 700; and a clamping mechanism 200 is arranged at the accommodating position 111 for clamping the material box 700 in the horizontal direction, so as to facilitate the horizontal positioning of the material box 700 at the needle withdrawal station 520, and a limiting mechanism 400 is also provided. The limiting end limits the top of the material box 700, thereby preventing the material box 700 located at the needle withdrawal station 520 from being carried away from the receiving position 111 during the needle withdrawal process; and when the receiving position 111 is rotated to the loading and unloading station 510, the horizontal clamping of the material box 700 can be released by the release mechanism 300, thereby facilitating the unloading of the material box 700 and the loading of the next material box 700; therefore, the alternating material box clamping and positioning device of the present application can realize the positioning of the material box 700 when withdrawing the needles, thereby improving the accuracy of the position of the material box 700 when withdrawing the needles. At the same time, since the turntable 110 is provided with two receiving positions 111, the loading and unloading and needle withdrawal processes can be carried out simultaneously, thereby also improving the efficiency of needle withdrawal.

[0033] It can be understood that the limiting mechanism 400 includes a third driving component 410 and a limiting component 420, the limiting end is the limiting component 420 connected to the output end of the third driving component 410, and the limiting component 420 can be driven by the third driving component 410 to translate to select one of the accommodating positions 111. Figure 2 As shown, in this embodiment, the limiting end of the limiting mechanism 400 is a limiting component 420 connected to the output end of the third driving component 410. Under the drive of the third driving component 410, the limiting component 420 translates so as to be selectively located above one of the accommodating positions 111, thereby realizing the top limiting of the material box 700 of the needle removal station 520.

[0034] It should be understood that in addition to being a limit end that is connected to the output end of the third drive component 410, in some other embodiments, the limit end can also be the output end of the third drive component 410, and the size of the output end only needs to be large enough to be moved to above one of the accommodating positions 111.

[0035] It is understandable that the limiting mechanism 400 is disposed on the rotating disk 110, and the limiting assembly 420 is located between the two accommodating positions 111, and can be moved to above one of the accommodating positions 111 under the drive of the third driving assembly 410. Figure 2As shown, in this embodiment, the limiting mechanism 400 is arranged on the turntable 110 so that it can rotate with the rotation of the turntable 110, and the limiting component 420 is arranged between the two accommodating positions 111, so that it can translate back and forth under the drive of the third driving component 410, so as to be alternately located above one of the accommodating positions 111, thereby realizing the top limiting of the material box 700 located at the needle removal station 520.

[0036] It should be understood that, in addition to being configured as the third drive component 410 in the above-mentioned embodiment driving the limit component 420 to translate, thereby achieving the form of limiting the top of the material box 700; in some other embodiments, the limit mechanism 400 can also be set on a fixing part on the periphery of the turntable 110, and the limiting end of the fixing part is located above the needle withdrawal station 520, thereby also being able to achieve the top limit of the material box 700 of the needle withdrawal station 520; in some other embodiments, it can also be configured to be set on the periphery of the turntable 110, and the third drive component 410 drives the limit component 420 to descend, thereby achieving the limiting of the top of the material box 700 of the needle withdrawal station 520, and when the turntable 110 rotates, the limit component 420 can rise under the drive of the third drive component 410, thereby avoiding interference with parts on the turntable 110.

[0037] It is understandable that the limiting mechanism 400 further includes an adjusting component, which connects the third driving component 410 and the limiting component 420 and is used to adjust the horizontal position and / or vertical position of the limiting component 420. Figure 2 As shown, in this embodiment, an adjustment component is provided in the limiting mechanism 400, so that the horizontal position of the limiting component 420 can be adjusted to adapt to the material boxes 700 with different edge thicknesses; the vertical position of the limiting component 420 can also be adjusted to adapt to the material boxes 700 with different processing heights.

[0038] It can be understood that the limiting mechanism 400 also includes a connecting assembly 430, the connecting assembly 430 is connected to the output end of the third driving assembly 410, the adjusting assembly connects the connecting assembly 430 and the limiting assembly 420, and the limiting assembly 420 includes a first limiting member and a second limiting member respectively connected to both ends of the connecting assembly 430, and the first limiting member and the second limiting member are respectively used to limit the top of the material box 700 on the two receiving positions 111. For example, Figure 2 As shown, in this embodiment, the connecting component 430 in the limiting mechanism 400 connects the output end of the third driving component 410 and the limiting component 420, and the first limiting member and the second limiting member of the limiting component 420 are respectively connected to the two ends of the connecting component 430 through the adjusting components, thereby respectively realizing the limitation of the top of the material box 700 of the two accommodating positions 111.

[0039] Specifically, the adjustment component includes a first locking component, one of the connecting component 430 and the limiting component 420 is provided with a bar hole, and the other is provided with a first threaded hole, the first locking component is passed through the bar hole and is threadedly connected to the first threaded hole, so that the horizontal position of the limiting component 420 relative to the connecting component 430 is adjusted by the first locking component; the adjustment component includes a second locking component, the connecting component 430 and the limiting component 420 are respectively provided with a second threaded hole and a third threaded hole, the second locking component is threadedly connected to the second threaded hole and the third threaded hole in turn, so that the vertical position of the limiting component 420 relative to the connecting component 430 is adjusted by the second locking component.

[0040] It can be understood that the clamping mechanism 200 includes a clamping assembly and an elastic assembly 230. The elastic assembly 230 connects the clamping assembly and the rotating disk 110 and is used to provide elastic force for the clamping assembly to cooperate with the rotating disk 110 to clamp the material box 700. Figures 2 to 3 In this embodiment, the clamping mechanism 200 includes a clamping component and an elastic component 230 that drives the clamping component to clamp the material box 700. The elastic component 230 is arranged between the turntable 110 and the clamping component, and the elastic force of the elastic component 230 drives the clamping component and the turntable 110 to cooperate to clamp the material box 700.

[0041] It should be understood that in some other embodiments, the clamping mechanism 200 may include a clamping component and a corresponding driving component, such as a cylinder, etc. The clamping component can also cooperate with the turntable 110 to clamp the material box 700 when driven by the corresponding driving component.

[0042] It can be understood that one of the release mechanism 300 and the clamping assembly is provided with a rolling member 310, and the other is provided with a guide surface. The rolling member 310 is provided with a rolling surface. When the receiving position 111 rotates to the loading and unloading station 510, the rolling surface can abut against the guide surface and roll relative to each other, so that the release mechanism 300 can push the clamping assembly to release the material box 700. For example, Figure 4 As shown, in this embodiment, the rolling surface and the guide surface of the rolling element 310 abut against each other, so that the release mechanism 300 can push the clamping assembly, thereby releasing the clamped material box 700, and the rolling friction between the rolling surface and the guide surface can minimize the wear between them.

[0043] Specifically, the rolling element 310 may be a bearing or a roller, and the guide surface may be a guide inclined surface or a guide curved surface.

[0044] It should be understood that if Figure 4As shown, in this embodiment, the clamping assembly is provided with a guide surface, and the release mechanism 300 is provided with a rolling element 310. The guide surface is provided on the side of the clamping assembly close to the material box 700, and the guide surface gradually moves away from the material box 700 from top to bottom. The release mechanism 300 also includes a fourth driving assembly 320 for driving the rolling element 310 to rise and fall. In this way, when the accommodating position 111 is in the loading and unloading station 510, the rolling element 310 can rise under the drive of the fourth driving assembly 320 and abut against the guide surface, thereby pushing the clamping assembly away from the material box 700.

[0045] It should be understood that in some other embodiments, the clamping assembly is provided with a guide surface, the release mechanism 300 is provided with a rolling element 310, and the release mechanism 300 may not be provided with a fourth drive assembly 320. In this case, it is necessary to set the guide surface of the clamping assembly to the side of the clamping assembly close to the material box 700, and as the accommodating position 111 gradually rotates toward the upper and lower material loading station 510, the guide surface gradually approaches the rotation axis from the front end of the rotation arc along the rotation direction to the rear end of the rotation arc, so that the guide surface rolls relative to the rolling element 310 during the rotation process, and can gradually move away from the material box 700 under the push action of the rolling element 310.

[0046] It can be understood that the clamping assembly includes a first clamping group 210 and a second clamping group 220, and the turntable 110 is provided with a first boss 113 and a second boss 114, and the first clamping group 210, the second clamping group 220, the first boss 113 and the second boss 114 are enclosed to form a receiving position 111. For example, Figure 2 As shown, in this embodiment, the clamping assembly includes a first clamping group 210 that cooperates with the first boss 113 to clamp the material box 700, and also includes a second clamping group 220 that cooperates with the second boss 114 to clamp the material box 700. The two clamping groups cooperate with each other to achieve horizontal positioning of the material box 700 in the accommodating position 111.

[0047] It can be understood that the first clamping group 210 includes a horizontal plate 211 and a vertical plate 212 connected to each other. For the receiving position 111 in the needle removal station 520, the vertical plate 212 is used to cooperate with the first boss 113 to clamp the material box 700 along the first direction. The horizontal plate 211 and the limiting assembly 420 are respectively located on both sides of the receiving position 111 in the first direction, and are both used to limit the top of the material box 700. For example, Figure 5 As shown, in this embodiment, the first clamping group 210 includes a horizontal plate 211 and a vertical plate 212. For the material box 700 at the needle removal station 520, the vertical plate 212 is used to cooperate with the first boss 113, so as to clamp the material box 700 in the first direction. The horizontal plate 211 and the limiting mechanism 400 are respectively located on both sides of the accommodating position 111 in the first direction, and are both located on the accommodating position 111, so as to simultaneously realize the limitation of the top of the material box 700.

[0048] It is understandable that a guide assembly 610 is further included, the turntable 110 is provided with a guide hole, the guide assembly 610 is fixedly connected to the clamping mechanism 200, and is passed through the guide hole. Figures 3 to 5 As shown, in this embodiment, the alternating material box clamping and positioning device also includes a guide assembly 610, and the guide holes corresponding to the turntable 110 are sleeved on the guide assembly 610. The guide assembly 610 is fixedly connected to the clamping mechanism 200, so that the movement of the clamping mechanism 200 in the process of clamping or releasing the material box 700 can be carried out along the guide holes, thereby improving the linearity of the movement of the clamping mechanism 200.

[0049] It should be understood that if Figure 4 As shown, a guide assembly 620 is also included. Since the side wall of the guide hole of the turntable 110 is relatively thin, the guiding effect of the guide assembly 610 is not very ideal, so a guide assembly 620 is also provided. The guide assembly 620 is mainly used to cooperate with the use of the first clamping group 210 to prevent the height change of the first clamping group 210 during the movement, thereby affecting the horizontal plate 211 to limit the top of the material box 700; the guide assembly 620 includes a guide rod connecting the first clamping group 210 and a linear bearing provided at the bottom of the turntable 110. The guide rod is passed through the linear bearing to improve the linearity of the horizontal movement of the first clamping group 210.

[0050] It should be understood that if Figure 6 As shown, the turntable 110 is provided with an avoidance hole 115 , the clamping assembly is passed through the avoidance hole 115 , and the release mechanism 300 is correspondingly arranged below the avoidance hole 115 located at the loading and unloading station 510 .

[0051] It should be understood that if Figure 6 As shown, a plurality of weight-reducing holes 112 are provided at intervals on the turntable 110 , thereby reducing the weight of the turntable 110 and also reducing the energy consumption of the first driving assembly 120 .

[0052] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. Alternating material box clamping and positioning device, characterized in that: include: The turntable mechanism (100) comprises a first drive assembly (120) and a turntable (110), wherein the turntable (110) is formed with two receiving positions (111) for receiving a material box (700), and an output end of the first drive assembly (120) is connected to the turntable (110) and is capable of driving the turntable (110) to rotate so that the two receiving positions (111) are alternately located at a needle stripping station (520) and a material loading and unloading station (510); A clamping mechanism (200), disposed at the accommodating position (111) and used to clamp the material box in a horizontal direction; a limiting mechanism (400), wherein the limiting end of the limiting mechanism (400) is located above the needle withdrawal station and is used to limit the top of the material box (700); A release mechanism (300), the release mechanism (300) is arranged at the loading and unloading station (510), and is used to release the clamping state of the material box in the horizontal direction at the loading and unloading station.

2. The alternating material box clamping and positioning device according to claim 1, characterized in that: The limiting mechanism (400) comprises a third driving component (410) and a limiting component (420); the limiting end is the limiting component (420) connected to the output end of the third driving component (410); the limiting component (420) is capable of translationally moving under the drive of the third driving component (410) to selectively be located above one of the accommodating positions (111).

3. The alternating material box clamping and positioning device according to claim 2, characterized in that: The limiting mechanism (400) is disposed on the rotating disk (110), and the limiting component (420) is located between the two accommodating positions (111), and can be moved to above one of the accommodating positions (111) under the drive of the third driving component (410).

4. The alternating magazine clamping and positioning device according to claim 2 or 3, characterized in that: The limiting mechanism (400) further comprises an adjusting component, wherein the adjusting component is connected to the third driving component (410) and the limiting component (420) and is used to adjust the horizontal position and / or vertical position of the limiting component (420).

5. The alternating material box clamping and positioning device according to claim 4, characterized in that: The limiting mechanism (400) further comprises a connecting assembly (430), wherein the connecting assembly (430) is connected to the output end of the third driving assembly (410), the adjusting assembly is connected to the connecting assembly (430) and the limiting assembly (420), and the limiting assembly comprises a first limiting member and a second limiting member respectively connected to two ends of the connecting assembly, wherein the first limiting member and the second limiting member are respectively used to limit the top of the material box at the two containing positions.

6. The alternating material box clamping and positioning device according to claim 1, characterized in that: The clamping mechanism (200) comprises a clamping component and an elastic component (230); the elastic component (230) connects the clamping component and the rotating disk (110) and is used to provide elastic force for the clamping component to cooperate with the rotating disk (110) to clamp the material box (700).

7. The alternating material box clamping and positioning device according to claim 6, characterized in that: One of the release mechanism (300) and the clamping assembly is provided with a rolling member (310), and the other is provided with a guide surface. The rolling member (310) is provided with a rolling surface. When the accommodating position (111) is rotated to the loading and unloading station (510), the rolling surface can abut against the guide surface and roll relative to it, so that the release mechanism can push the clamping assembly to release the material box (700).

8. The alternating magazine clamping and positioning device according to claim 7, characterized in that: The clamping assembly comprises a first clamping group (210) and a second clamping group (220); a first boss (113) and a second boss (114) are provided on the rotating disk; the first clamping group (210), the second clamping group (220), the first boss (113) and the second boss (114) are enclosed to form the accommodating position (111).

9. The alternating material box clamping and positioning device according to claim 8, characterized in that: The first clamping group (210) includes a horizontal plate (211) and a vertical plate (212) that are connected to each other. For the accommodating position (111) located at the needle removal station (520), the vertical plate (212) is used to cooperate with the first boss (113) to clamp the material box (700) along the first direction. The horizontal plate (211) and the limiting mechanism are respectively located on both sides of the accommodating position (111) in the first direction, and are both used to limit the top of the material box (700).

10. The alternating material box clamping and positioning device according to claim 1, characterized in that: It also includes a guide component (610), the rotating disk (110) is provided with a guide hole, and the guide component (610) is fixedly connected to the clamping mechanism (200) and is passed through the guide hole.

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