Body discharging mechanism

Abstract

The utility model provides a body discharging mechanism which comprises a conveying assembly, a fixing assembly, a material moving assembly and an overturning assembly, and a limiting conveying groove extending in the longitudinal direction is formed in the conveying assembly; the fixing assembly is arranged close to the feeding end of the limiting conveying groove. The material moving assembly comprises a material moving clamp, a material moving lifting driving device and a material moving translation driving device, the material moving translation driving device can drive the material moving clamp to move back and forth between the fixing assembly and the feeding end, and the material moving lifting driving device can drive the material moving clamp to move up and down; the overturning assembly is arranged above the feeding end and below the material moving assembly, the overturning assembly comprises an overturning clamp and a rotation driving device, and the rotation driving device can drive the overturning clamp to rotate around a preset straight line; the device can replace manual operation, and has the advantages of high automation degree and high efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge production equipment field, concretely relates to a body blanking mechanism. BACKGROUND

[0002] Hydraulic hinge, also known as damping hinge, is a kind of sound attenuation damping hinge using high-density oil body directional flow in airtight container to achieve buffering effect. Hydraulic hinge generally includes hinge body and fixed base, hinge body includes door box, connecting rod, torsional spring, hinge arm, buffer mechanism and lever driving piece, hydraulic cylinder, hinge shaft, hinge piece, hinge seat, etc., and fixed base is installed on hinge body.

[0003] The existing hinge body is assembled, needs to be discharged first and then is transferred to fixed base installation station. Because the wing part of hinge body is in folded state after being assembled, and the wing part is required to be in unfolded state when installing fixed base, after discharging, the wing part needs to be unfolded manually, which is not only low in efficiency, but also high in labor cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a body blanking mechanism with high automation degree and high efficiency.

[0005] In order to realize the above-mentioned purpose, the utility model provides a body blanking mechanism, which comprises a conveying assembly, a fixing assembly, a material moving assembly and a turnover assembly, the conveying assembly is provided with a limiting conveying groove extending along the longitudinal direction; the fixing assembly is arranged close to the material inlet end of the limiting conveying groove; the material moving assembly comprises a material moving clamp, a material moving lifting driving device and a material moving translation driving device, the material moving translation driving device can drive the material moving clamp to move back and forth between the fixing assembly and the material inlet end, and the material moving lifting driving device can drive the material moving clamp to move up and down; the turnover assembly is arranged above the material inlet end and below the material moving assembly, and comprises a turnover clamp and a rotation driving device, which can drive the turnover clamp to rotate around a preset straight line.

[0006] From the above-mentioned scheme, it can be seen that the fixing assembly is arranged to fix the workpiece, the material moving assembly is arranged to clamp and transfer the workpiece on the fixing assembly to above the limiting conveying groove, the turnover assembly is arranged to unfold the wing part of the workpiece under the clamping action of the material moving clamp, then the material moving clamp releases the workpiece, the turnover assembly turns over the unfolded workpiece and falls into the limiting conveying groove, and the conveying assembly transfers the workpiece to the next process, which can replace manual discharging and flattening operation, and has the advantages of high automation degree and high working efficiency.

[0007] Further scheme can be seen that the clamping opening of the turnover clamp corresponds to the limiting conveying groove in the up-down direction, and the distance between the clamping opening of the turnover clamp and the limiting conveying groove is preset.

[0008] From the above scheme, through the above setting, the workpiece can be conveniently flipped by the flip clamp after the workpiece is flipped, and the workpiece can be just dropped into the limiting conveying groove.

[0009] Further scheme can be seen, the rotating driving device is arranged along the horizontal direction, and the preset straight line is the rotation center line of the rotating driving device.

[0010] Further scheme can be seen, the fixing assembly includes a base, a fixing block, a sliding block and a first elastic member, the fixing block is arranged on the base, the sliding block is movably arranged between the fixing block and the base, the sliding block is provided with a blocking portion and an abutting portion, the blocking portion and the abutting portion are respectively protruded from two ends of the fixing block; the base is provided with a first fixing hook and a second fixing hook, the first fixing hook is arranged between the abutting portion and the second fixing hook, the first elastic member applies an action force to the sliding block in the direction of the second fixing hook, so that the abutting portion has a tendency to move in the direction of the second fixing hook.

[0011] From the above scheme, through the above setting, the first fixing hook and the second fixing hook are respectively connected with the first movable hook and the second movable hook on the workpiece to fix the workpiece; the abutting portion is used for abutting with the end portion of the workpiece to position the workpiece.

[0012] Further scheme can be seen, the body blanking mechanism further includes a releasing assembly, the releasing assembly is movably arranged above the fixing assembly, and the releasing assembly is used for releasing the workpiece fixed on the fixing assembly.

[0013] Still further scheme can be seen, the releasing assembly includes a releasing lifting driving device, a lifting block, a driving member, a driving rod, a poking member and a rotating shaft, the poking member is rotatably connected to the lower part of the lifting block through the rotating shaft, the first end of the poking member is provided with an acting portion, the driving member is arranged on the side of the lifting block away from the acting portion, the driving member is movably connected with the second end of the poking member through the driving rod, the releasing lifting driving device can drive the driving member to move up and down, and in turn drive the poking member to rotate around the rotating shaft, so that the acting portion can move forward.

[0014] From the above scheme, through the above setting, in the rotating process of the poking member around the rotating shaft, the acting portion can abut against the elastic stopper of the end portion of the workpiece, and push the elastic stopper to move forward, so that the fixing hook and the movable hook are separated, the workpiece is released, and the material moving clamp can take away the workpiece.

[0015] Further scheme can be seen, the releasing assembly further includes a releasing mounting seat, a releasing guide rail and two limiting portions, the releasing guide rail is movably arranged on the releasing mounting seat in the up-down direction, the lifting block is slidably connected on the releasing guide rail, the two limiting portions are respectively arranged on both ends of the moving path of the lifting block, and the releasing lifting driving device can drive the lifting block to move up and down between the two limiting portions.

[0016] From the above scheme can be seen, by the above setting, release lifting drive device first drive lifting block and the knob down a certain distance, drive member rotates to release the workpiece.

[0017] Further scheme can be seen, the material moving assembly further includes a material lifting seat, a material translation seat, a clamp mounting seat, a second elastic member and two material stop blocks; the material lifting seat and the material lifting drive device are both arranged on the material translation seat, the driving end of the material lifting drive device is connected with the material lifting seat, the clamp mounting seat is arranged on the material lifting seat in a longitudinally movable manner, the material clamp is arranged on the clamp mounting seat, the two material stop blocks are arranged on both ends of the moving path of the clamp mounting seat respectively, and the second elastic member is elastically abutted between the clamp mounting seat and one of the material stop blocks.

[0018] From the above scheme can be seen, by the above setting, the material clamp can have a certain activity space in the longitudinal direction, facilitating subsequent turnover clamp clamping the wing part of the workpiece and unfolding operation.

[0019] Further scheme can be seen, the body blanking mechanism further includes a mounting frame, and the mounting frame is provided with a sliding block; one side of the material translation seat is provided with a material guide rail matched and connected with the sliding block, the material translation drive device is fixedly connected to the mounting frame, the driving end of the material translation drive device is connected with the material translation seat, and the material translation drive device can drive the material translation seat and the material guide rail to move along the extension direction of the material guide rail.

[0020] Further scheme can be seen, the conveying assembly further includes a conveying belt, a baffle and two side plates, the two side plates are arranged on the two sides of the conveying belt respectively, the conveying belt and the two side plates form a limiting conveying groove therebetween, the extension direction of the limiting conveying groove is parallel to the conveying direction of the conveying belt, the baffle is arranged at the discharging end of the conveying assembly, and the end portion of the side plate to the baffle is provided with a vacancy communicated with the limiting conveying groove.

[0021] From the above scheme can be seen, by the above setting, the workpiece in the unfolded state is conveniently conveyed, and the workpiece can always maintain the current laying angle during the conveying process, so that the workpiece is prevented from falling and tilting. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural diagram of an embodiment of the utility model.

[0023] Figure 2 is an exploded view of the fixing assembly and the workpiece in the embodiment of the utility model.

[0024] Figure 3 is a structural diagram of the release assembly in the embodiment of the utility model.

[0025] Figure 4 is a sectional view of the release assembly in the embodiment of the utility model.

[0026] Figure 5 Figure 1 is a structural diagram of a material moving assembly and a turnover assembly in an embodiment of the present application.

[0027] Figure 6 Figure 2 is a structural diagram of a material moving assembly in an embodiment of the present application.

[0028] The present application is further described below in combination with the drawings and embodiments. DETAILED DESCRIPTION

[0029] Referring to Figure 1 The body blanking mechanism provided by the embodiment comprises a conveying assembly 1, a fixing assembly 2, a releasing assembly 3, a material moving assembly 4 and a turnover assembly 5.

[0030] The conveying assembly 1 longitudinally conveys the workpiece 6, and the workpiece 6 in the embodiment is a hinge body. The conveying assembly 1 comprises a conveying belt 11, a baffle 12 and two side plates 13. The conveying belt 11 longitudinally conveys the workpiece 6 forward, and the two side plates 13 are respectively arranged on the two sides of the conveying belt 11 in the width direction. The side plate 13 is an “L”-shaped plate, and the two side plates 13 are spaced apart by a certain distance. A narrow limiting conveying groove 14 is formed between the conveying belt 11 and the two side plates 13, and the extending direction of the limiting conveying groove 14 is parallel to the conveying direction of the conveying belt 11. The baffle 12 is arranged at the discharging end of the conveying assembly 1 and is used to stop the workpiece 6. The end of the side plate 13 to the baffle 12 is provided with a vacancy communicating with the limiting conveying groove 14, so as to facilitate the subsequent manual or clamping device to take away the workpiece 6 from the vacancy.

[0031] The fixing assembly 2 is arranged close to the feeding end of the limiting conveying groove 14, and the material moving assembly 4 can move back and forth between the fixing assembly 2 and the feeding end, and is used to transfer the workpiece 6 on the fixing assembly 2 to above the limiting conveying groove 14.

[0032] The releasing assembly 3 is movably arranged above the fixing assembly 2, and is used to release the workpiece 6 fixed on the fixing assembly 2, so as to facilitate the subsequent material moving assembly 4 to clamp and take away the workpiece 6 on the fixing assembly 2.

[0033] The turnover assembly 5 is arranged above the feeding end and below the material moving assembly 4, and is used to unfold the wing part 64 of the workpiece 6 and rotate the workpiece 6 into the limiting conveying groove 14.

[0034] In combination with Figure 2 and Figure 4The fixing assembly 2 comprises a base 21, a fixing block 22, a sliding block 23 and a first elastic member 24. The fixing block 22 is arranged on the middle portion of the base 21, and a sliding hole is formed between the fixing block 22 and the base 21, which extends longitudinally. The sliding block 23 is movably arranged between the fixing block 22 and the base 21, and both ends of the sliding block 23 protrude out of the sliding hole. The first end of the sliding block 23 is provided with a blocking portion 25, which can abut against one end of the fixing block 22, and plays a role of blocking the transition movement of the sliding block 23. The blocking portion 25 can be a protrusion or a rod, and the latter is preferred in the embodiment. The second end of the sliding block 23 is provided with two abutting portions 231, which are arranged in transverse direction and are perpendicular to the longitudinal direction. The two abutting portions 231 are respectively used for directly abutting against the two side walls of the end portion of the workpiece 6. The blocking portion 25 and the abutting portions 231 protrude from the two ends of the fixing block 22 respectively.

[0035] The base 21 is provided with a first fixing hook 211 and two second fixing hooks 212, and the first fixing hook 211 is arranged between the abutting portion 231 and the second fixing hook 212. The first fixing hook 211 is arranged corresponding to the first movable hook 61 of the workpiece 6, and the second fixing hook 212 is arranged corresponding to the second movable hook 62 of the workpiece 6.

[0036] The middle portion of the base 21 is further connected with a protruding block 26, and the middle portion of the sliding block 23 is provided with an avoiding hole, and the upper portion of the protruding block 26 is inserted into the avoiding hole. The first elastic member 24 is elastically abutted between the protruding block 26 and the hole wall of the avoiding hole, so that the first elastic member 24 applies an action force to the sliding block 23 in the direction of the second fixing hook 212, so that the abutting portion 231 can push the workpiece 6 forward, and ensure that the first fixing hook 211 can correspond to and be connected with the first movable hook 61 of the workpiece 6, and the second fixing hook 212 can correspond to and be connected with the second movable hook 62 of the workpiece 6, thereby playing a role of fixing the workpiece 6.

[0037] In combination with Figure 3 and Figure 4 The releasing assembly 3 comprises a releasing lifting driving device 31, a releasing mounting seat 32, a lifting block 33, a driving member 34, a pushing member 35, a rotating shaft 36 and a driving rod 37.

[0038] The releasing lifting driving device 31 is arranged on the upper portion of the releasing mounting seat 32, the lifting block 33 is arranged on the lower portion of the releasing mounting seat 32, the driving member 34 is arranged on the side of the lifting block 33 away from the acting portion 351, and the driving end of the releasing lifting driving device 31 is connected with the driving member 34.

[0039] The middle part of the toggle member 35 is rotatably connected to the lower part of the lifting block 33 through the rotating shaft 36, the first end of the toggle member 35 protrudes forward from the lifting block 33, and the first end of the toggle member 35 is provided with an acting part 351. The second end of the toggle member 35 is provided with a sliding groove 352 extending along the extension direction of the toggle member 35. The driving member 34 is movably connected to the second end of the toggle member 35 through the driving rod 37, and the driving rod 37 is inserted into the sliding groove 352 and can move relatively in the sliding groove 352.

[0040] The lifting driving device 31 can drive the driving member 34 to move up and down, and the driving rod 37 drives the toggle member 35 to rotate around the rotating shaft 36, so that the acting part 351 can be embedded between the two abutting parts 231 and move forward, so as to push the elastic stopper 63 at the end of the workpiece 6, and then drive the first movable hook 61 and the second movable hook 62 to move forward to separate from the first fixed hook 211 and the second fixed hook 212 respectively, so as to release the workpiece 6.

[0041] In order to ensure that the toggle member 35 moves downward first and then rotates, the releasing assembly 3 of the embodiment further comprises a releasing guide rail 38 and two limiting parts 39. The releasing guide rail 38 is arranged on the releasing mounting seat 32 and extends in the up-down direction, and the lifting block 33 is slidably connected to the releasing guide rail 38. The two limiting parts 39 are arranged at the two ends of the moving path of the lifting block 33 respectively. In the embodiment, the first limiting part 39 is fixedly connected to the lower part of the releasing mounting seat 32 and can abut against the protruding part on the upper part of the lifting block 33 to limit the descending distance of the lifting block 33; the second limiting part (not shown in the figure) is arranged on the lifting block 33 and can abut against the lower end of the releasing guide rail 38 to limit the ascending distance of the lifting block 33.

[0042] When the lifting driving device 31 drives the driving member 34 to ascend or descend, the lifting block 33 is first driven to move up and down between the two limiting parts 39, and after the lifting block 33 abuts against the corresponding limiting part 39, the lifting driving device 31 can drive the toggle member 35 to rotate.

[0043] In combination with Figure 5 and Figure 6 , the body blanking mechanism further comprises a mounting rack 7, the mounting rack 7 is arranged on the same side of the fixing assembly 2 and the conveying assembly 1, and the releasing assembly 3 and the material moving assembly 4 are arranged on the cross beam 71 of the mounting rack 7. The cross beam 71 of the mounting rack 7 is provided with a sliding block 72 at one end.

[0044] The material moving assembly 4 comprises a material moving guide rail 41, a material moving translation seat 42, a material moving lifting seat 43, a material moving clamp 44, a material moving lifting driving device 45 and a material moving translation driving device 46.

[0045] The material moving guide rail 41 is fixed to the first side of the material moving translation seat 42, and extends longitudinally. The material moving guide rail 41 is in sliding connection with the sliding block 72.

[0046] The material moving lifting seat 43 is arranged on the second side of the material moving translation seat 42. The material moving lifting driving device 45 is fixed to the upper portion of the material moving translation seat 42 and is connected with the material moving lifting seat 43, and is used to drive the material moving lifting seat 43 to move up and down. The material moving translation driving device 46 is fixed to one end of the beam 71 of the mounting frame 7, and the driving end of the material moving translation driving device 46 is connected with the material moving translation seat 42, and is used to drive the material moving translation seat 42 and the material moving guide rail 41 to move back and forth along the longitudinal direction.

[0047] The material moving clamp 44 is arranged on the material moving lifting seat 43 and moves longitudinally and up and down along with the material moving lifting seat 43. The material moving translation driving device 46 of the embodiment can drive the material moving clamp 44 to move back and forth between the fixed assembly 2 and the material inlet end. The material moving lifting driving device 45 can drive the material moving clamp 44 to move up and down.

[0048] The material moving assembly 4 further comprises a clamp mounting seat 47, a second elastic member 48 and two material moving stop blocks 49. The bottom wall of the material moving lifting seat 43 is provided with a short guide rail 431 which is arranged in parallel with the material moving guide rail 41. The top wall of the clamp mounting seat 47 is provided with a short sliding block 471 which is in sliding connection with the short guide rail 431. The material moving clamp 44 is fixed to the bottom wall of the clamp mounting seat 47. The material moving clamp 44 can move longitudinally along with the clamp mounting seat 47 relative to the material moving lifting seat 43.

[0049] The two material moving stop blocks 49 are arranged on both ends of the moving path of the clamp mounting seat 47 respectively, and are used to limit the longitudinal moving distance of the clamp mounting seat 47. The second elastic member 48 is in elastic abutment between the clamp mounting seat 47 and one of the material moving stop blocks 49.

[0050] In combination with Figure 1 and Figure 5 , the overturning assembly 5 is arranged below the beam 71. The overturning assembly 5 comprises an overturning clamp 51 and a rotating driving device 52 which can drive the overturning clamp 51 to rotate around a preset straight line. The rotating driving device 52 is arranged in the horizontal direction, and the preset straight line is the rotation center line of the rotating driving device 52. The rotating driving device 52 is preferably a rotating cylinder.

[0051] The clamping opening of the overturning clamp 51 corresponds to the limiting conveying groove 14 in the up-down direction, and there is a preset distance between the clamping opening of the overturning clamp 51 and the limiting conveying groove 14 in the up-down direction, so that when the overturning clamp 51 drives the workpiece 6 to overturn downward, the workpiece 6 can accurately fall into the limiting conveying groove 14.

[0052] Working principle: the toggle 35 of the releasing assembly 3 pushes the elastic stopper 63 of the workpiece 6 forward, the elastic stopper 63 drives the first movable hook 61 and the second movable hook 62 to move forward, so that the movable hooks are separated from the corresponding fixed hooks, and the workpiece 6 is released; then the material moving clamp 44 clamps the workpiece 6 and moves to the upper side of the turnover clamp 51; the turnover clamp 51 clamps the wing part 64 of the workpiece 6, while the material moving clamp 44 clamps the workpiece 6, the turnover clamp 51 turns by a first preset angle, so that the workpiece 6 is in an unfolded state; then the material moving clamp 44 releases the workpiece 6; then the turnover clamp 51 turns by a second preset angle again, so as to drive the workpiece 6 in the unfolded state to turn into the limiting conveying groove 14; thereafter, the conveying belt 11 conveys the workpiece 6 forward.

[0053] From the above, it can be seen that the utility model discloses a fixing assembly 2 for fixing the workpiece 6, a material moving assembly 4 for clamping the workpiece 6 on the fixing assembly 2 and shifting to the upper side of the limiting conveying groove 14, a turnover assembly 5 for unfolding the wing part 64 of the workpiece 6 under the clamping action of the material moving clamp; thereafter, the material moving clamp 44 releases the workpiece 6, the turnover assembly 5 turns the workpiece 6 in the unfolded state and falls into the limiting conveying groove 14, and the conveying assembly 1 shifts the workpiece 6 to the next process; the utility model can replace manual unloading and flattening operation, and has the advantages of high automation degree and high work efficiency.

[0054] Finally, it needs to be emphasized that the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A body blanking mechanism characterized by, The body blanking mechanism comprises a conveying assembly, a fixing assembly, a material moving assembly and a turnover assembly. The conveying assembly is provided with a limiting conveying groove extending in the longitudinal direction. The fixing assembly is arranged near the material inlet end of the limiting conveying groove. The material moving assembly comprises a material moving clamp, a material moving lifting driving device and a material moving translation driving device. The material moving translation driving device drives the material moving clamp to move back and forth between the fixing assembly and the material inlet end. The material moving lifting driving device drives the material moving clamp to move up and down. The turnover assembly is arranged above the material inlet end and below the material moving assembly. The turnover assembly comprises a turnover clamp and a rotation driving device. The rotation driving device drives the turnover clamp to rotate around a preset straight line.

2. The body blanking mechanism according to claim 1, wherein the clamping opening of the turnover clamp corresponds to the limiting conveying groove in the up-down direction, and a preset distance is arranged between the clamping opening of the turnover clamp and the limiting conveying groove in the up-down direction.

3. The body blanking mechanism according to claim 1, wherein the rotation driving device is arranged in the horizontal direction, and the preset straight line is the rotation center line of the rotation driving device.

4. The body blanking mechanism according to claim 1, wherein the fixing assembly comprises a base, a fixing block, a sliding block and a first elastic member. The fixing block is arranged on the base. The sliding block is movably arranged between the fixing block and the base. The sliding block is provided with a blocking portion and an abutting portion. The blocking portion and the abutting portion protrude from the two ends of the fixing block, respectively. The base is provided with a first fixing hook and a second fixing hook. The first fixing hook is arranged between the abutting portion and the second fixing hook. The first elastic member applies an action force to the sliding block to slide towards the second fixing hook, so that the abutting portion tends to move towards the second fixing hook.

5. The body blanking mechanism according to claim 1, further comprising a releasing assembly movably arranged above the fixing assembly in the up-down direction. The releasing assembly is used to release the workpiece fixed on the fixing assembly.

6. The body blanking mechanism according to claim 5, wherein the releasing assembly comprises a releasing lifting driving device, a lifting block, a driving member, a driving rod, a shifting member and a rotating shaft. The shifting member is rotatably connected to the lower part of the lifting block through the rotating shaft. The first end of the shifting member is provided with an acting portion. The driving member is arranged on the side of the lifting block away from the acting portion. The driving member is movably connected to the second end of the shifting member through the driving rod. The releasing lifting driving device drives the driving member to move up and down, thereby driving the shifting member to rotate around the rotating shaft, so that the acting portion can move forward.

7. The body blanking mechanism according to claim 6, wherein The releasing assembly further comprises a releasing mounting base, a releasing guide rail and two limiting portions, the releasing guide rail is arranged on the releasing mounting base in an extending manner along the up-down direction, the lifting block is slidingly connected on the releasing guide rail, the two limiting portions are respectively arranged on both ends of the moving path of the lifting block, and the releasing lifting driving device can drive the lifting block to move up and down between the two limiting portions.

8. The body blanking mechanism according to claim 1, characterized in that: The material moving assembly further comprises a material moving lifting seat, a material moving translation seat, a clamp mounting base, a second elastic member and two material moving stop blocks. The material moving lifting seat and the material moving lifting driving device are arranged on the material moving translation seat, the driving end of the material moving lifting driving device is connected with the material moving lifting seat, the clamp mounting base is arranged on the material moving lifting seat in a longitudinally movable manner, the material moving clamp is arranged on the clamp mounting base, the two material moving stop blocks are respectively arranged on both ends of the moving path of the clamp mounting base, and the second elastic member is elastically abutted between the clamp mounting base and one of the material moving stop blocks.

9. The body blanking mechanism according to claim 8, characterized in that: The body blanking mechanism further comprises a mounting frame, and the mounting frame is provided with a sliding block; One side of the material moving translation seat is provided with a material moving guide rail which is connected with the sliding block in a matching manner, the material moving translation driving device is fixedly connected with the mounting frame, the driving end of the material moving translation driving device is connected with the material moving translation seat, and the material moving translation driving device can drive the material moving translation seat and the material moving guide rail to move along the extending direction of the material moving guide rail.

10. The body blanking mechanism according to any one of claims 1 to 9, characterized in that: The conveying assembly further comprises a conveying belt, a baffle and two side plates, the two side plates are respectively arranged on both sides of the conveying belt, the conveying belt and the two side plates form the limiting conveying groove therebetween, the extending direction of the limiting conveying groove is parallel to the conveying direction of the conveying belt, the baffle is arranged at the discharging end of the conveying assembly, and the end portion of the side plate to the baffle is provided with a vacancy which is communicated with the limiting conveying groove.

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