Self-locking stock bin trolley and feeding device

Abstract

The invention belongs to the technical field of feeding devices, and discloses a self-locking stock bin trolley and a feeding device.The self-locking stock bin trolley comprises a trolley body, a stock bin and a self-locking mechanism, and the stock bin can be loaded to the preset position of the trolley body in the first direction; the self-locking mechanism comprises a spring bolt assembly arranged on the trolley and a lock catch assembly arranged on the stock bin, the spring bolt assembly comprises a spring bolt and an elastic piece, the spring bolt can be automatically inserted into a lock hole or a lock groove when corresponding to the lock hole or the lock groove in the lock catch assembly under the action of the elastic piece, and automatic locking is achieved. In addition, the spring bolt assembly further comprises a first connecting rod and a second connecting rod, the unlocking direction of the self-locking mechanism is adjusted through the arrangement of the first connecting rod and the second connecting rod, and unlocking is simpler. The feeding device comprises a butt joint fixing frame, a first positioning mechanism and a second positioning mechanism, the first positioning mechanism and the second positioning mechanism can limit the self-locking stock bin trolley in the first direction and the second direction, the position error during feeding is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of feeding devices, and in particular to a self-locking silo trolley and a feeding device. Background Art

[0002] At present, on the automated production line, the transportation of some materials is completed by a feeding cart. When the feeding cart moves, in order to keep the materials on the feeding cart stable, the silo carrying the materials needs to be fixed to the feeding cart by manual locking. At the same time, when the materials are transferred to the processing equipment, they also need to be manually unlocked, which makes the entire loading and unloading process complicated and time-consuming.

[0003] In addition, the feeding trolley itself has no positioning. When the grabbing mechanism on the automated production line unloads the materials or silos on the feeding trolley, it is very easy for the position error of the feeding trolley to cause the materials or silos to be loosely grasped, thereby reducing production efficiency. Summary of the invention

[0004] One of the purposes of the present invention is to provide a self-locking silo trolley to solve the problem of troublesome locking and unlocking between the silo and the feeding trolley; the second purpose of the present invention is to provide a loading device to solve the problem of troublesome locking and unlocking of the silo and low production efficiency caused by inaccurate positioning of the feeding trolley.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] In the first aspect, the present invention provides a self-locking silo trolley, comprising a trolley, a silo and a self-locking mechanism, wherein the silo can be loaded to a preset position of the trolley along a first direction; the self-locking mechanism comprises a locking tongue assembly arranged on the trolley and a locking buckle assembly arranged on the silo, the locking tongue assembly comprises a base, a locking tongue, an elastic member, a first connecting rod and a second connecting rod, the base is fixed on the trolley, the locking tongue is slidably arranged on the base along a second direction, a first guide surface is arranged on a side of the locking tongue facing the locking buckle assembly, the first guide surface gradually approaches the locking buckle assembly along the loading direction of the silo, the elastic member provides elastic force to the locking tongue so that the locking tongue maintains a tendency to move toward the locking buckle assembly, a first end of the first connecting rod is hinged to the locking tongue, a second end of the first connecting rod is hinged to the second connecting rod, the second connecting rod is also hinged to the base, and the locking buckle assembly has a locking hole or a locking groove for inserting the locking tongue; the first direction and the second direction are two directions perpendicular to each other in a horizontal plane.

[0007] In one embodiment, the locking tongue assembly further comprises a push rod slidably connected to the base, the push rod passes through the base along the second direction from a side of the base away from the locking assembly, and is aligned with an end of the second connecting rod away from the first connecting rod.

[0008] In one embodiment, the lock assembly includes a lock and a guide wheel, the lock is provided with the lock hole or the lock slot, and the guide wheel is rotatably arranged on the lock at one side of the lock hole or the lock slot along the first direction to push the lock tongue through rolling contact with the first guide surface.

[0009] In one embodiment, the trolley includes a trolley bracket and a first roller group, two of the first roller groups are arranged on the trolley bracket at intervals along the second direction, any of the first roller groups includes a plurality of first rollers arranged along the first direction, and when the silo moves on the trolley, the first roller group is in rolling contact with the bottom surface of the silo.

[0010] In one embodiment, the trolley also includes a second roller group, two of the second roller groups are symmetrically arranged along the second direction, and any of the second roller groups includes a plurality of second rollers arranged along the first direction. When the silo moves on the trolley, the second rollers are in rolling contact with opposite sides of the silo along the second direction.

[0011] In the second aspect, the present invention provides a loading device, comprising a docking fixed frame, an unlocking member, a first positioning mechanism, a second positioning mechanism and any of the above-mentioned self-locking silo trolleys, wherein a limiting groove is formed on the docking fixed frame, and the limiting groove has a notch on one side along the first direction; the self-locking silo trolley can enter and exit the limiting groove along the first direction; the unlocking member is arranged on the docking fixed frame, and the unlocking member is configured to push the second connecting rod to rotate so that the locking tongue disengages from the locking groove or the locking hole; the first positioning mechanism and the second positioning mechanism are both arranged on the docking fixed frame, and the first positioning mechanism is configured to limit the self-locking silo trolley from disengaging from the limiting groove along the first direction; the second positioning mechanism is configured to limit the self-locking silo trolley from moving along the second direction.

[0012] In one embodiment, the first positioning mechanism includes a positioning drive, a first positioning block and a second positioning block, the positioning drive is arranged on the docking fixing frame, the first positioning block is arranged at the output end of the positioning drive, the positioning drive is configured to drive the first positioning block to reciprocate along the second direction, the second positioning block is arranged on the self-locking silo trolley, and the first positioning block can abut against one side of the notch of the second positioning block facing the limit groove.

[0013] In one embodiment, the first positioning block has a third guide surface, and the third guide surface gradually moves away from the self-locking silo trolley along the direction in which the self-locking silo trolley enters the limiting groove, and the second positioning block can abut against the third guide surface.

[0014] In one embodiment, the second positioning mechanism includes a third positioning block and a fourth positioning block that can be plugged in along the first direction, the third positioning block is arranged on the side of the docking fixing frame away from the notch of the limiting groove, and the fourth positioning block is arranged on the self-locking silo trolley, and one of the third positioning block and the fourth positioning block is provided with a V-shaped positioning groove, and the other of the third positioning block and the fourth positioning block is inserted into the V-shaped positioning groove.

[0015] In one embodiment, the docking fixing frame includes a positioning base, a third roller group and a fourth roller group, the limiting groove is opened on the positioning base, the third roller group and the fourth roller group are both arranged in two groups along the second direction on the positioning base, the third roller group includes a plurality of third rollers arranged along the first direction, the fourth roller group includes a plurality of fourth rollers arranged along the first direction, the third roller is a spherical roller rollingly arranged on the positioning base, when the self-locking silo trolley enters the limiting groove along the first direction, the bottom of the self-locking silo trolley abuts against the third roller, and the self-locking silo trolley abuts against the fourth roller on opposite sides along the second direction

[0016] Beneficial effects of the present invention:

[0017] The self-locking silo trolley proposed in the present invention utilizes a self-locking mechanism to achieve automatic locking between the silo and the trolley. When unlocking, it is only necessary to apply a force in the direction of the silo to the second connecting rod, which is simple and quick. Moreover, the self-locking silo trolley utilizes the first positioning mechanism and the second positioning mechanism to achieve horizontal limitation, and the loading position has high accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an axonometric view of a self-locking silo trolley in an embodiment of the present invention;

[0019] Figure 2 is a top view of the self-locking mechanism in the embodiment of the present invention when it is in an unlocked state;

[0020] Figure 3 is a top view of the self-locking mechanism in the embodiment of the present invention when it is in a locked state;

[0021] Figure 4 is an isometric view of a bolt assembly according to an embodiment of the present invention;

[0022] Figure 5is a side view of a locking tongue assembly in an embodiment of the present invention;

[0023] Figure 6 is a front view of a lock assembly in an embodiment of the present invention;

[0024] Figure 7 is a front view of the self-locking silo trolley in an embodiment of the present invention;

[0025] Figure 8 is a top view of the self-locking silo trolley in an embodiment of the present invention;

[0026] Fig. 9 is a front view of a feeding device in an embodiment of the present invention;

[0027] Fig.10 is an isometric view of a feeding device in an embodiment of the present invention;

[0028] Fig.11 is a cross-sectional view of a feeding device in an embodiment of the present invention;

[0029] Fig.12 is an isometric view of a docking fixing frame according to an embodiment of the present invention;

[0030] Fig.13 It is a top view of the second positioning mechanism installed on the docking fixing frame in the embodiment of the present invention.

[0031] In the figure:

[0032] 100, self-locking silo trolley; 110, silo; 120, trolley; 121, trolley bracket; 1211, bracket; 1212, universal caster; 1213, guide block; 12131, second guide surface; 1214, handle; 122, first roller group; 1221, first roller; 1222, first mounting groove seat; 123, second roller group; 1231, second roller; 1232, second mounting groove seat; 130, self-locking mechanism; 131, lock tongue assembly; 1311, base; 13111, base body; 13112, first limiting portion; 13113, slide rail mounting groove; 1312, lock tongue; 13121, lock tongue body; 13122, second limiting portion; 13123, first guide surface; 1313, first connecting rod; 1314, second connecting rod; 1315, push rod; 13151, force applying portion; 13152, third limiting portion; 1316, elastic member; 132, lock assembly; 1321, lock; 13211, lock groove; 1322, guide wheel;

[0033] 200, docking fixing frame; 210, positioning base; 211, limiting groove; 220, protective cover; 230, connecting plate; 240, third roller group; 241, roller mounting seat; 242, third roller; 250, fourth roller group; 251, fourth roller;

[0034] 300, unlocking parts;

[0035] 400, first positioning mechanism; 410, positioning drive member; 420, first positioning block; 421, third guide surface; 430, second positioning block;

[0036] 500, second positioning mechanism; 510, third positioning block; 520, fourth positioning block;

[0037] 600. Monitoring items. DETAILED DESCRIPTION

[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0042] refer to Figure 1-Figure 8 As shown, in an embodiment of the present invention, a self-locking silo trolley 100 is provided, comprising a trolley 120, a silo 110 and a self-locking mechanism 130, wherein the silo 110 is used to carry materials, and the silo 110 can be moved along a first direction ( Figure 1 When the silo 110 is loaded to the preset position of the trolley 120 along the first direction or is detached from the trolley 120, the self-locking mechanism 130 is disposed between the silo 110 and the trolley 120, and is used to automatically lock the silo 110 on the trolley 120 when the silo 110 is loaded to the preset position of the trolley 120 along the first direction. For the convenience of distinction, the moving direction of the silo 110 when it is loaded to the preset position of the trolley 120 along the first direction is defined as the loading direction of the silo 110, and the moving direction of the silo 110 when it is detached from the trolley 120 along the first direction is defined as the unloading direction of the silo 110. It can be understood that the loading direction of the silo 110 and the unloading direction of the silo 110 can be two opposite directions of the first direction (that is, the loading direction of the silo 110 is the X direction, and the unloading direction of the silo 110 is the opposite direction of the X direction), or can be the same direction of the first direction.

[0043] refer to Figure 2-Figure 6 As shown, the self-locking mechanism 130 includes a locking tongue assembly 131 disposed on the trolley 120 and a locking buckle assembly 132 disposed on the silo 110. The locking tongue assembly 131 includes a base 1311, a locking tongue 1312 and an elastic member 1316. The base 1311 is fixed on the trolley 120, and the locking tongue 1312 is arranged along the second direction ( Figure 1 The locking tongue 1312 is slidably arranged on the base 1311 in the middle Y direction and the reverse direction thereof, and a first guide surface 13123 is arranged on the side of the locking tongue 1312 facing the silo 110, i.e., facing the locking assembly 132. The first guide surface 13123 gradually approaches the locking assembly 132 along the loading direction of the silo 110. The elastic member 1316 is connected to or abuts against the locking tongue 1312 and provides elastic force to the locking tongue 1312 so that the locking tongue 1312 maintains a tendency to move toward the locking assembly 132. The locking assembly 132 has a locking hole or a locking groove 13211 for inserting the locking tongue 1312. The first direction and the second direction are two directions perpendicular to each other in a horizontal plane. It should be emphasized that the locking tongue assembly 131 also includes a first connecting rod 1313 and a second connecting rod 1314 . The first end of the first connecting rod 1313 is hinged to the locking tongue 1312 , the second end of the first connecting rod 1313 is hinged to the second connecting rod 1314 , and the second connecting rod 1314 is also hinged to the base 1311 .

[0044] The above-mentioned self-locking mechanism 130 respectively arranges the lock component 132 and the lock tongue component 131 on the silo 110 and the trolley 120. When the silo 110 is loaded on the trolley 120 along the first direction, the lock component 132 contacts the first guide surface 13123 of the lock tongue 1312 and under the guidance of the first guide surface 13123, pushes the lock tongue 1312 along the second direction, so that the lock tongue 1312 overcomes the elastic force of the elastic member 1316 and retracts into the base 1311. When the lock hole or lock groove 13211 on the lock component 132 is opposite to the lock tongue 1312, under the action of the elastic potential energy accumulated in the elastic member 1316, the lock tongue 1312 is inserted into the lock hole or lock tongue 1312, thereby realizing the automatic locking of the silo 110 and the trolley 120. When unlocking, it is only necessary to push the second connecting rod 1314 toward the direction of the silo 110 away from one end of the first connecting rod 1313 . Unlocking is simple and quick, and it is not easy to interfere with the silo 110 .

[0045] Specifically, refer to Figure 2 and Figure 3 As shown, a slide rail mounting groove 13113 is provided on the base 1311, and one end of the slide rail mounting groove 13113 facing the lock assembly 132 penetrates the side surface of the base 1311, and a slide rail extending along the second direction is provided in the slide rail mounting groove 13113, and the lock tongue 1312 is slidably connected to the slide rail through a slider. The first connecting rod 1313 is arranged above the lock tongue 1312, and the second connecting rod 1314 is arranged below the first connecting rod 1313, so as to make full use of the space above the slide rail mounting groove 13113 and reduce the occupied space of the lock tongue assembly 131. In one embodiment, the elastic member 1316 is a spring, one end of the spring is connected to the lock tongue 1312, and the other end is connected to the groove wall of the slide rail mounting groove 13113.

[0046] refer to Figure 4 As shown, in order to limit the lock tongue 1312 in the vertical direction and improve the stability of the lock tongue 1312 when it moves along the second direction, the base 1311 includes a base body 13111 and a first limiting portion 13112, and the slide rail mounting groove 13113 is opened on the base body 13111. The first limiting portion 13112 adopts an L-shaped positioning block. The two first limiting portions 13112 are symmetrically arranged on the base body 13111 along the first direction on opposite sides of the slide rail mounting groove 13113, and cooperate with each other to form a first limiting space with open ends along the second direction. The lock tongue 1312 is located in the first limiting space and is restricted from moving in the vertical direction.

[0047] In order to limit the movement of the lock tongue 1312 along the second direction, the lock tongue 1312 includes a lock tongue body 13121 and a second limiting portion 13122 on the lock tongue body 13121. The first guide surface 13123 is arranged on the side of the lock tongue body 13121 facing the lock assembly 132. The second limiting portion 13122 is provided with two groups. The two groups of second limiting portions 13122 are respectively located at the first limiting portion 13112 along the second direction. On opposite sides of the first limiting portion 13112, when the second limiting portion 13122 located on the side of the first limiting portion 13112 close to the lock buckle 1321 abuts against the first limiting portion 13112, the lock tongue 1312 withdraws from the lock groove 13211 or the lock hole; when the second limiting portion 13122 located on the side of the first limiting portion 13112 away from the lock buckle 1321 abuts against the first limiting portion 13112, the lock tongue 1312 is inserted into the lock hole or lock groove 13211.

[0048] Specifically, the second limiting portion 13122 located on the side of the first limiting portion 13112 away from the lock buckle 1321 includes two limiting pins, which are arranged at intervals along the first direction, and the second limiting portion 13122 located on the side of the first limiting portion 13112 close to the lock buckle 1321 includes a limiting pin, which is arranged along the first direction away from the first guide surface 13123. More specifically, in order to reduce the difficulty of assembling the lock tongue 1312 and the base 1311, the limiting pin is fixed to the lock tongue body 13121 by means including but not limited to plugging or bolting. During assembly, the lock tongue body 13121 is first assembled on the slide rail, and then the limiting pin is fixed to the lock tongue body 13121.

[0049] Continue to refer Figure 2-Figure 5 As shown, the lock tongue assembly 131 also includes a push rod 1315, which passes through the base 1311 along the second direction from the side of the base 1311 away from the lock assembly 132, and is arranged in alignment with the end of the second connecting rod 1314 away from the first connecting rod 1313. The push rod 1315 is slidably connected to the base 1311. When the self-locking mechanism 130 needs to be unlocked, the push rod 1315 is pushed to make it contact with the second connecting rod 1314, thereby driving the second connecting rod 1314 to rotate, so that the first connecting rod 1313 connected to the second connecting rod 1314 can be moved, and the lock tongue 1312 can withdraw from the lock hole or lock groove 13211.

[0050] Specifically, refer to Figure 3As shown, in order to increase the force-bearing area of ​​the push rod 1315, a force-applying portion 13151 is provided at one end of the push rod 1315 away from the second connecting rod 1314, and the push rod 1315 is T-shaped as a whole. In order to prevent the push rod 1315 from detaching from the base 1311, a third limiting portion 13152 is also provided at one end of the push rod 1315 close to the second connecting rod 1314. The third limiting portion 13152 can abut against the side of the base 1311 and cooperate with the force-applying portion 13151 to limit the push rod 1315 on the base 1311.

[0051] refer to Figure 6 As shown, in one embodiment, the lock assembly 132 includes a lock 1321 and a guide wheel 1322, wherein the lock 1321 is provided with a lock hole or lock slot 13211 for inserting the lock tongue 1312, and the guide wheel 1322 is arranged on one side of the lock hole or lock slot 13211 along the first direction, and is rotatably arranged on the lock 1321 through a central axis extending along the vertical direction, when the lock assembly 132 moves along the first direction, the guide wheel 1322 can contact with the first guide surface 13123, thereby pushing the lock tongue 1312 to move in a direction away from the lock 1321 body, and when the lock tongue 1312 moves to be opposite to the lock hole or lock slot 13211, the lock tongue 1312 is inserted into the lock hole or lock slot 13211. The guide wheel 1322 is in rolling contact with the first guide surface 13123, which reduces the friction between the lock assembly 132 and the lock tongue assembly 131, and is conducive to extending the service life of the self-locking mechanism 130.

[0052] refer to Figure 7 and Figure 8 As shown, in order to reduce the friction when the silo 110 moves on the trolley 120, the trolley 120 includes a trolley bracket 121 and a first roller group 122. A universal caster 1212 is provided at the bottom of the trolley bracket 121 to realize the free movement of the trolley bracket 121. At the same time, a handle 1214 is also provided on the trolley bracket 121 to facilitate pushing the trolley 120. Two first roller groups 122 are arranged on the trolley bracket 121 at intervals along the second direction. Any first roller group 122 includes a first mounting groove seat 1222 and a plurality of first rollers 1221 arranged on the first mounting groove seat 1222 at intervals along the first direction. The first roller 1221 has a roller shaft extending along the second direction. When the silo 110 moves on the trolley bracket 121, the first roller group 122 rolls in contact with the bottom surface of the silo 110. It can be understood that, in this embodiment, the silo 110 is loaded onto the trolley 120 from the side of the trolley 120 away from the handle 1214 or detached from the trolley 120 from the side away from the handle 1214, that is, the loading direction of the silo 110 is opposite to the unloading direction of the silo 110.

[0053] In one embodiment, the trolley 120 also includes a second roller group 123, and the two second roller groups 123 are symmetrically arranged along the second direction to form a second limiting space. The second limiting space has two openings arranged opposite to each other along the first direction. The silo 110 can enter the second limiting space from one of the openings and move along the first direction. Any second roller group 123 includes a second mounting slot 1232 and a plurality of second rollers 1231 arranged on the second mounting slot 1232 at intervals along the first direction. Unlike the first roller 1221, the second roller 1231 has a roller shaft extending in the vertical direction, that is, the second roller 1231 can roll in contact with the opposite sides of the silo 110 along the second direction, further reducing the friction between the silo 110 and the trolley 120, and reducing the difficulty of placing the silo 110 on the trolley 120 or detaching it from the trolley 120.

[0054] refer to Figure 7 As shown, in order to reduce the difficulty of the silo 110 entering the second limited space, guide blocks 1213 are respectively provided at the ends of the two second roller groups 123 on the trolley bracket 121, and the two guide blocks 1213 are each provided with a second guide surface 12131 which gradually approaches the other guide block 1213 along the loading direction of the trolley 120. Under the guiding action of the second guide surface 12131, the silo 110 can smoothly enter the second limited space.

[0055] refer to Figure 6 As shown, the trolley support 121 is provided with multiple layers of brackets 1211 at intervals along the vertical direction, and each layer of brackets 1211 is provided with a first roller group 122 and a second roller group 123, that is, the trolley support 121 can carry multiple silos 110. Specifically, in order to reduce the weight of the trolley support 121, the bracket 1211 includes two lifting parts spaced apart along the second direction, and both lifting parts extend along the first direction.

[0056] refer to Figure 9-13As shown, an embodiment of the present invention further proposes a loading device, including the above-mentioned self-locking silo trolley 100, a docking fixing frame 200, an unlocking member 300, a first positioning mechanism 400 and a second positioning mechanism 500, wherein the docking fixing frame 200 is locked on a machine platform using the silo 110 through a connecting plate 230, and a limiting groove 211 is formed on the docking fixing frame 200, and the notch of the limiting groove 211 is arranged on one side of the limiting groove 211 along the first direction and opposite to the machine platform, so as to allow the self-locking silo trolley 100 to enter and exit, and the universal caster 1212 of the self-locking silo trolley 100 can enter the limiting groove 211 through the above-mentioned notch, and the unlocking member 300 is arranged on the docking fixing frame 200 and corresponds to the self-locking mechanism 130 one by one, and the unlocking member 300 is configured to push the second connecting rod 1314 to rotate so that the locking tongue 1312 disengages from the lock buckle 1321. For example, the unlocking member 300 can adopt a linear driving component such as a cylinder or an electric cylinder. It is understandable that the unlocking member 300 can directly push the second connecting rod 1314 or push the second connecting rod 1314 through the push rod 1315. The first positioning mechanism 400 and the second positioning mechanism 500 are arranged between the self-locking silo trolley 100 and the docking fixing frame 200, and are used to limit the movement of the self-locking silo trolley 100 along the first direction and the movement along the second direction respectively.

[0057] The above-mentioned loading device fixes the docking fixing frame 200 on the machine platform, and realizes the horizontal limitation of the self-locking silo trolley 100 through the first positioning mechanism 400 and the second positioning mechanism 500 set between the docking fixing frame 200 and the self-locking silo trolley 100, thereby improving the position accuracy during loading and facilitating improving production efficiency.

[0058] In one embodiment, the moving direction of the self-locking silo trolley 100 entering the limit groove 211 is opposite to the loading direction of the silo 110, but the same as the unloading direction of the silo 110. The silo 110 can detach from the trolley 120 and be transferred to the machine along the direction in which the self-locking silo trolley 100 enters the limit groove 211.

[0059] refer to Fig.11 and Fig.12 As shown, the first positioning mechanism 400 includes a positioning drive member 410, a first positioning block 420 and a second positioning block 430, wherein the positioning drive member 410 is arranged on the docking fixing frame 200, and it can adopt linear driving components including but not limited to cylinders, electric cylinders, etc., the first positioning block 420 is arranged at the output end of the positioning drive member 410, the positioning drive member 410 is configured to drive the first positioning block 420 to reciprocate along the second direction, and the second positioning block 430 is arranged on the self-locking silo trolley 100, the first positioning block 420 can abut against the side of the notch of the second positioning block 430 facing the limiting groove 211, thereby limiting the self-locking silo trolley 100 from disengaging from the limiting groove 211 along the first direction.

[0060] Exemplarily, two first positioning mechanisms 400 are symmetrically arranged along the second direction to improve the limiting stability of the self-locking silo trolley 100. At the same time, the first positioning block 420 has a third guide surface 421, and the third guide surface 421 gradually moves away from the self-locking silo trolley 100 along the direction in which the self-locking silo trolley 100 is pushed into the limiting groove 211, while the second positioning block 430 has an arcuate surface with an axis extending in the vertical direction, and the third guide surface 421 can contact the arcuate surface to cooperate with the limiting groove 211 to lock the self-locking silo trolley 100 in the limiting groove 211.

[0061] Continue to refer Fig.11 and Fig.12 As shown, the notch of the limiting groove 211 is configured to be a cone that gradually converges toward the bottom of the limiting groove 211 to guide the universal caster 1212 of the self-locking silo trolley 100 to enter the limiting groove 211 .

[0062] refer to Fig.11 and Fig.13 As shown, the second positioning mechanism 500 includes a third positioning block 510 and a fourth positioning block 520 which can be plugged in and out along the first direction. The third positioning block 510 is arranged on the side of the docking fixing frame 200 away from the slot, and the fourth positioning block 520 is arranged on the self-locking silo trolley 100. One of the third positioning block 510 and the fourth positioning block 520 is provided with a V-shaped positioning groove, and the slot of the V-shaped positioning groove is arranged on one side of the V-shaped positioning groove along the first direction, and the other is adapted to the V-shaped positioning groove.

[0063] Exemplarily, a V-shaped positioning groove is formed on the fourth positioning block 520 .

[0064] In one embodiment, the feeding device further includes a monitoring component 600 fixed to the docking fixing frame 200 and in communication connection with the first positioning mechanism 400, and the monitoring component 600 is used to monitor whether the self-locking silo trolley 100 reaches the preset position of the docking fixing frame 200. When the monitoring component 600 detects that the self-locking silo trolley 100 is at the preset position of the docking fixing frame 200, the positioning drive component 410 in the first positioning mechanism 400 drives the positioning block to extend to limit the self-locking silo trolley 100.

[0065] In order to reduce the friction between the self-locking silo trolley 100 and the docking fixing frame 200, refer to Fig.11 and Fig.12As shown, the docking fixing frame 200 includes a positioning base 210, a third roller group 240 and a fourth roller group 250, and a limiting groove 211 is opened on the positioning base 210. The third roller group 240 and the fourth roller group 250 are both arranged in two groups along the second direction on the positioning base 210, and the third roller group 240 includes a plurality of third rollers 242 arranged at intervals along the first direction, and the fourth roller group 250 includes a plurality of fourth rollers 251 arranged at intervals along the first direction. The difference is that the third roller 242 is a spherical roller rollingly arranged on the positioning base 210. When the self-locking silo trolley 100 enters the limiting groove 211 along the first direction, the bottom of the self-locking silo trolley 100 abuts against the third roller 242, and the fourth roller 251 is rotatably arranged on the positioning base 210 through the wheel axle extending in the vertical direction, and the self-locking silo trolley 100 abuts against the fourth roller 251 on opposite sides along the second direction. It is understandable that the third roller 242 is a spherical roller, which helps to reduce the difficulty of guiding the self-locking silo trolley 100 under the action of the third positioning block 510 and the fourth positioning block 520 that cooperate with each other.

[0066] As shown in Reference 9 , the docking fixing frame 200 further includes a protective cover 220 , which is configured to be U-shaped with the opening facing downward and is fixedly connected to the positioning base 210 . The protective cover 220 is used to protect the material in the silo 110 and reduce the possibility of damage to the material.

[0067] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Self-locking silo trolley, characterized in that: include: Cart (120); A material bin (110), wherein the material bin (110) can be loaded into a preset position of the trolley (120) along a first direction; The self-locking mechanism (130) comprises a locking tongue assembly (131) arranged on the trolley (120) and a locking buckle assembly (132) arranged on the silo (110), wherein the locking tongue assembly (131) comprises a base (1311), a locking tongue (1312), an elastic member (1316), a first connecting rod (1313) and a second connecting rod (1314), wherein the base (1311) is fixed on the trolley (120), the locking tongue (1312) is slidably arranged on the base (1311) along a second direction, and a first guide surface (13123) is arranged on a side of the locking tongue (1312) facing the locking buckle assembly (132), wherein the first guide surface (13123) gradually approaches the locking assembly (132) along the loading direction of the silo (110), the elastic member (1316) provides elastic force to the locking tongue (1312) so that the locking tongue (1312) maintains a tendency to move toward the locking assembly (132), the first end of the first connecting rod (1313) is hinged to the locking tongue (1312), the second end of the first connecting rod (1313) is hinged to the second connecting rod (1314), the second connecting rod (1314) is also hinged to the base (1311), and the locking assembly (132) has a locking hole or a locking groove (13211) for the locking tongue (1312) to be inserted; The first direction and the second direction are two directions perpendicular to each other in a horizontal plane.

2. The self-locking silo trolley according to claim 1 is characterized in that: The locking tongue assembly (131) also includes a push rod (1315) slidably connected to the base (1311), and the push rod (1315) passes through the base (1311) along the second direction from the side of the base (1311) away from the locking assembly (132), and is arranged in alignment with the end of the second connecting rod (1314) away from the first connecting rod (1313).

3. The self-locking silo trolley according to claim 1 is characterized in that: The lock assembly (132) comprises a lock (1321) and a guide wheel (1322); the lock (1321) is provided with the lock hole or the lock slot (13211); the guide wheel (1322) is rotatably arranged on one side of the lock (1321) located at the lock hole or the lock slot (13211) along the first direction, so as to push the lock tongue (1312) through rolling contact with the first guide surface (13123).

4. The self-locking silo trolley according to claim 1, characterized in that: The trolley (120) comprises a trolley support (121) and a first roller group (122); two first roller groups (122) are arranged on the trolley support (121) at intervals along the second direction; any one of the first roller groups (122) comprises a plurality of first rollers (1221) arranged along the first direction; when the silo (110) moves on the trolley (120), the first roller group (122) is in rolling contact with the bottom surface of the silo (110).

5. The self-locking silo trolley according to claim 1, characterized in that: The trolley (120) further comprises a second roller group (123), two of the second roller groups (123) are symmetrically arranged along the second direction, and any of the second roller groups (123) comprises a plurality of second rollers (1231) arranged along the first direction. When the material bin (110) moves on the trolley (120), the second rollers (1231) are in rolling contact with opposite sides of the material bin (110) along the second direction.

6. A feeding device, characterized in that: include: A docking fixing frame (200), wherein a limiting groove (211) is formed on the docking fixing frame (200), and the limiting groove (211) has a notch along one side of the first direction; The self-locking silo trolley according to any one of claims 1 to 5, wherein the self-locking silo trolley is capable of entering and exiting the limiting groove (211) along the first direction; an unlocking member (300) disposed on the docking fixing frame (200), the unlocking member (300) being configured to push the second connecting rod (1314) to rotate so that the locking tongue (1312) is disengaged from the locking hole or the locking groove (13211); The first positioning mechanism (400) and the second positioning mechanism (500) are both arranged on the docking fixing frame (200), and the first positioning mechanism (400) is configured to limit the self-locking silo trolley from disengaging from the limiting groove (211) along the first direction; the second positioning mechanism (500) is configured to limit the self-locking silo trolley from moving along the second direction.

7. The feeding device according to claim 6, characterized in that: The first positioning mechanism (400) comprises a positioning drive member (410), a first positioning block (420) and a second positioning block (430); the positioning drive member (410) is arranged on the docking fixing frame (200); the first positioning block (420) is arranged at the output end of the positioning drive member (410); the positioning drive member (410) is configured to drive the first positioning block (420) to move back and forth along the second direction; the second positioning block (430) is arranged on the self-locking silo trolley; the first positioning block (420) can abut against a side of the notch of the second positioning block (430) facing the limiting groove (211).

8. The feeding device according to claim 7, characterized in that: The first positioning block (420) has a third guide surface (421), and the third guide surface (421) gradually moves away from the self-locking silo trolley along the direction in which the self-locking silo trolley enters the limiting groove (211), and the second positioning block (430) can abut against the third guide surface (421).

9. The feeding device according to claim 7, characterized in that: The second positioning mechanism (500) comprises a third positioning block (510) and a fourth positioning block (520) which can be plugged in and matched along the first direction, the third positioning block (510) being arranged on a side of the notch of the docking fixing frame (200) away from the limiting groove (211), the fourth positioning block (520) being arranged on the self-locking silo trolley, one of the third positioning block (510) and the fourth positioning block (520) being arranged with a V-shaped positioning groove, the other of the third positioning block (510) and the fourth positioning block (520) being inserted into the V-shaped positioning groove.

10. The feeding device according to claim 9, characterized in that: The docking fixing frame (200) comprises a positioning base (210), a third roller group (240) and a fourth roller group (250); the limiting groove (211) is provided on the positioning base (210); two groups of the third roller group (240) and the fourth roller group (250) are arranged on the positioning base (210) at intervals along the second direction; the third roller group (240) comprises a plurality of third rollers (242) arranged at intervals along the first direction; the fourth roller group (250) comprises a plurality of fourth rollers (251) arranged at intervals along the first direction; the third rollers (242) are spherical rollers rollingly arranged on the positioning base (210); when the self-locking silo trolley enters the limiting groove (211) along the first direction, the bottom of the self-locking silo trolley abuts against the third rollers (242), and the opposite sides of the self-locking silo trolley along the second direction abut against the fourth rollers (251).

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