Component pin tinning equipment for electronic product production
Technical Field
The invention relates to a tinning device, in particular to a component pin tinning device for electronic product production.
Background
In the production process of electrical components, tin is usually plated on pins of the electrical components to enhance the corrosion resistance of the pins of the electrical components and enhance the weldability of the pins of the electrical components.
The electric appliance component pin that has now needs the manual work to press from both sides tightly with the clip to the electric appliance component that needs carry out tin-plating, then heat the melting tin and form the tin water, put into the tin water with electric appliance component's pin again and carry out tin-plating work, when needs tin-plating electric appliance component quantity is more, manual operation is comparatively loaded down with trivial details, lead to work efficiency lower, staff's intensity of labour is big, to above-mentioned problem, designed one kind can be automatically with tin heat melting and have the electronic product production of pressing from both sides tight function with components and parts pin tinning equipment.
Disclosure of Invention
In order to overcome the manual tin plating for electrical components, need artifically press from both sides tight electrical components, then heat the melting tin and form the tin water, the comparatively loaded down with trivial details shortcoming of operation, technical problem: the tin plating equipment for the pins of the electronic product production component can automatically heat and melt tin and has a clamping function.
The technical scheme is as follows: an electronic product production is with components and parts pin tinning equipment, including:
the first fixing plate is arranged in the middle of the top of the shell;
the first supporting plate is arranged on the upper part of one side of the shell;
the first movable rods are symmetrically and slidably arranged on one side of the upper part of the first supporting plate;
the tin plating gun is arranged at the bottom of the first movable rod;
the first spring is arranged between the upper part of the first movable rod and the first supporting plate;
the moving mechanism is arranged on the inner side of the shell;
the rotating mechanism is arranged at the lower part of the first supporting plate;
and the limiting mechanism is arranged on the lower part of the first supporting plate and is positioned on one side of the rotating mechanism.
Optionally, the moving mechanism comprises:
the motor is arranged at the top in the shell;
the gear-lacking mechanism is arranged on an output shaft of the motor;
the second supporting plate is arranged between the lower parts of the tinning guns;
and the first rack is arranged on the lower part of one side of the second supporting plate and is matched with the lacking gear.
Optionally, the rotation mechanism comprises:
the third supporting plate is arranged at the lower parts of the two sides of the first supporting plate;
the first rotating shaft is rotatably arranged on the upper part of the third supporting plate and is rotatably connected with the first supporting plate;
the ratchet wheel is arranged on the outer side of the first rotating shaft;
the fourth supporting plate is arranged at the upper parts of the two sides of the second supporting plate;
and the ratchet is arranged on one side of the fourth supporting plate and matched with the ratchet wheel.
Optionally, stop gear includes:
the first fixing blocks are arranged at the lower parts of the two sides of the first supporting plate and are positioned above the third supporting plate;
the second rotating shaft is rotatably arranged on the first fixing block;
the first bevel gear is arranged on the inner side of the first rotating shaft;
the second bevel gears are arranged on the upper parts of the second rotating shafts, and the adjacent second bevel gears are meshed with the first bevel gears;
the fifth supporting plate is arranged at the lower parts of the two sides of the first supporting plate and is positioned between the first fixing block and the third supporting plate;
the third rotating shaft is symmetrically and rotatably arranged on one side of the fifth supporting plate;
the first transmission assembly is arranged between the third rotating shaft at the inner side and the adjacent second rotating shaft;
the first full gear is arranged at the upper part of the third rotating shaft, and the two first full gears at the same side are mutually meshed;
and the limiting block is arranged at the top of the third rotating shaft.
Optionally, still include fixed establishment, fixed establishment includes:
the sixth supporting plate is arranged on one side of the upper part of the second supporting plate;
the inclined block is arranged on one side of the sixth supporting plate;
the second fixing plate is arranged on one side of the shell;
the guide rod is arranged at the upper part of one side of the second fixing plate;
the first movable plate is slidably mounted on the guide rod;
the second spring is installed between the guide rod and the first movable plate;
the fixed rods are respectively arranged on two sides of the top of the shell;
the first rotating plate is rotatably arranged on the upper part of the fixed rod, and the first rotating plate on one side is in sliding fit with the first movable plate;
the first torsion spring is arranged between the first rotating plate and the fixed rod;
the limiting rod is arranged on the first rotating plate in a sliding manner;
the pressing plate is arranged on the inner side of the limiting rod;
the third spring is arranged between the outer side of the limiting rod and the first rotating plate;
the second fixed block is arranged at the top in the shell;
and the second movable plate is slidably mounted on the second fixed block and is matched with the first rotating plate.
Optionally, the device further comprises a push-out mechanism, wherein the push-out mechanism comprises:
the third movable plates are symmetrically and slidably mounted at the top of the first fixed plate;
the fourth spring is installed between the third movable plate and the first fixed plate;
the fourth movable plate is slidably mounted at the upper part of one side of the third movable plate;
the fifth spring is installed between the fourth movable plate and the third movable plate;
the third fixed blocks are symmetrically arranged on one side of the first fixed plate;
the second movable rod is slidably mounted on the third fixed block and matched with the fourth movable plate;
the sixth spring is arranged between the second movable rod and the third fixed block;
the seventh supporting plate is arranged on two sides of the second supporting plate;
the fourth rotating shaft is rotatably arranged at the lower part of the seventh supporting plate;
the second torsion spring is arranged between the outer side of the fourth rotating shaft and the seventh supporting plate;
the second rotating plate is arranged on the fourth rotating shaft and matched with the fourth movable plate;
and the limiting plate is arranged at the bottom of the seventh supporting plate and is matched with the second rotating plate.
Optionally, still including sheltering from the mechanism, shelter from the mechanism including:
the second rack is arranged on one side of the first movable plate;
the fifth rotating shaft is rotatably arranged on one side of the top of the shell;
the second full gear is arranged on the upper part of the fifth rotating shaft and is matched with the second rack;
the sixth rotating shaft is rotatably arranged on one side of the top of the shell and is positioned on one side of the fifth rotating shaft;
the second transmission assembly is arranged between the upper part of the sixth rotating shaft and the upper part of the fifth rotating shaft;
and the shielding plate is arranged at the top of the sixth rotating shaft.
Optionally, the fourth movable plate is provided with a circular hole, and the circular hole is matched with the second movable rod.
The invention has the beneficial effects that: 1. according to the invention, the motor is used as a driving force, the tin plating gun can be driven to move up and down under the matching of the gear lack and the first rack, so that the tin plating gun melts tin wires, the melted tin wires can fall onto pins of components, the tin plating operation is completed, and then the residual tin wires are pulled out forwards through the rotation of the limiting block, so that the next tin plating is facilitated, the automation degree is higher, and the working efficiency is improved.
2. According to the invention, when the second supporting plate moves downwards, the two first rotating plates are driven to rotate, so that the pressing plate is driven to move inwards to clamp the component, and the component is prevented from moving during tinning.
3. According to the invention, the position of the third movable plate can be fixed through the matching of the fourth movable plate and the second movable rod, and after the tin plating of the component is finished, the fourth movable plate and the second movable rod can be separated through the second rotating plate, so that the tin-plated component can be pushed out forwards by the third movable plate, and the collection work of people is facilitated.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a schematic perspective view of the moving mechanism of the present invention.
Fig. 4 is a schematic structural diagram of a first partial body of the rotating mechanism of the present invention.
Fig. 5 is a schematic structural diagram of a second partial body of the rotating mechanism of the present invention.
Fig. 6 is a schematic structural view of a first partial body of the limiting mechanism of the present invention.
Fig. 7 is a schematic structural view of a second partial body of the limiting mechanism of the present invention.
Fig. 8 is a schematic view of a first partial structure of the fixing mechanism of the present invention.
Fig. 9 is a schematic structural view of a second partial body of the fixing mechanism of the present invention.
Fig. 10 is a perspective view of a third portion of the fastening mechanism of the present invention.
Fig. 11 is a schematic view of a first partially separated body structure of the push-out mechanism of the present invention.
Fig. 12 is a schematic view of a second partial structure of the pushing mechanism of the present invention.
Fig. 13 is a perspective view of a third part of the pushing mechanism of the present invention.
Fig. 14 is a perspective view of a fourth part of the ejection mechanism of the present invention.
FIG. 15 is a schematic view of a first partially-separated body structure of the shielding mechanism of the present invention.
FIG. 16 is a schematic view of a second partially-separated body structure of the shielding mechanism of the present invention.
Description of reference numerals: 1: housing, 2: first fixing plate, 3: first support plate, 4: tin plating gun, 5: first movable bar, 6: first spring, 7: moving mechanism, 71: motor, 72: missing gear, 73: second support plate, 74: first rack, 8: rotation mechanism, 81: third support plate, 82: first rotating shaft, 83: ratchet, 84: fourth support plate, 85: ratchet, 9: stop gear, 91: first bevel gear, 92: first fixing block, 93: second rotating shaft, 94: second bevel gear, 95: fifth support plate, 96: third rotating shaft, 97: first transmission assembly, 98: first full gear, 99: stopper, 10: fixing mechanism, 101: sixth support plate, 102: swash block, 103: second fixing plate, 104: guide bar, 105: second spring, 106: first movable plate, 107: fixing a rod, 108: first torsion spring, 109: first rotating plate, 1010: gag lever post, 1011: platen, 1012: third spring, 1013: second fixed block, 1014: second movable plate, 11: ejection mechanism, 1101: fourth spring, 1102: third movable plate, 1103: fourth movable plate, 1104: fifth spring, 1105: third fixed block, 1106: second movable bar, 1107: sixth spring, 1108: seventh support plate, 1109: fourth rotation shaft, 1110: second torsion spring, 1111: second rotating plate, 1112: a limiting plate, 12: a shielding mechanism, 1201: second rack, 1202: fifth rotation shaft, 1203: second full gear, 1204: sixth rotation axis, 1205: second transmission assembly, 1206: a shielding plate.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
The utility model provides a components and parts pin tinning equipment is used in electronic product production, as shown in fig. 1-7, including shell 1, first fixed plate 2, first backup pad 3, tin-plating rifle 4, first movable rod 5, first spring 6, moving mechanism 7, rotary mechanism 8 and stop gear 9, be equipped with first fixed plate 2 in the middle of the 1 top of shell, 1 rear side upper portion of shell is equipped with first backup pad 3, 3 upper portion front side bilateral symmetry slidingtypes of first backup pad are equipped with first movable rod 5, 5 bottoms of first movable rod all are equipped with tin-plating rifle 4, all be equipped with first spring 6 between 5 upper portions of first movable rod and the first backup pad 3, the upper right side at 1 inboard rear portion of shell is equipped with moving mechanism 7, 3 lower parts of first backup pad are equipped with rotary mechanism 8, 3 lower parts of first backup pad are equipped with stop gear 9, stop gear 9 is located rotary mechanism 8 front sides.
The moving mechanism 7 comprises a motor 71, a gear 72, a second support plate 73 and a first rack 74, the motor 71 is arranged on the right rear side of the inner top of the shell 1, the gear 72 is arranged on an output shaft of the motor 71, the second support plate 73 is arranged between the lower parts of the tinning guns 4, the first rack 74 is arranged on the lower part of the right side of the second support plate 73, and the first rack 74 is matched with the gear 72.
The rotating mechanism 8 comprises a third supporting plate 81, a first rotating shaft 82, a ratchet 83, a fourth supporting plate 84 and a ratchet 85, the lower parts of the left side and the right side of the first supporting plate 3 are respectively provided with the third supporting plate 81, the upper parts of the third supporting plate 81 are respectively rotatably provided with the first rotating shaft 82, the first rotating shaft 82 is respectively rotatably connected with the first supporting plate 3, the ratchet 83 is respectively arranged on the outer side of the first rotating shaft 82, the upper parts of the left side and the right side of the second supporting plate 73 are respectively provided with the fourth supporting plate 84, the rear side of the fourth supporting plate 84 is respectively provided with the ratchet 85, and the ratchet 85 is matched with the ratchet 83.
The limiting mechanism 9 comprises a first bevel gear 91, a first fixed block 92, a second rotating shaft 93, a second bevel gear 94, a fifth supporting plate 95, a third rotating shaft 96, a first transmission component 97, a first full gear 98 and a limiting block 99, wherein the first fixed block 92 is arranged at the lower part of the left side and the right side of the first supporting plate 3, the first fixed block 92 is positioned above the third supporting plate 81, the second rotating shaft 93 is arranged on the first fixed block 92 in a rotating manner, the first bevel gear 91 is arranged at the upper part of the second rotating shaft 93, the second bevel gear 94 is arranged at the inner side of the first rotating shaft 82, the adjacent second bevel gear 94 is meshed with the first bevel gear 91, the fifth supporting plate 95 is arranged at the lower part of the left side and the right side of the first supporting plate 3, the fifth supporting plate 95 is positioned between the first fixed block 92 and the third supporting plate 81, the third rotating shaft 96 is arranged at the front side of the fifth supporting plate 95 in a rotating manner in a left-right symmetric manner, the first transmission component 97 is arranged between the third rotating shaft 96 at the inner side and the adjacent second rotating shaft 93, first drive assembly 97 comprises two belt pulleys and a belt, and inboard third pivot 96 middle part and second pivot 93 lower part all are equipped with a belt pulley, all around having the belt between two belt pulleys of homonymy, and third pivot 96 upper portion all is equipped with first full gear 98, two first full gear 98 intermeshing of homonymy, and third pivot 96 top all is equipped with stopper 99.
When people need to plate tin on the pins of the components, firstly, the tin wire is wound in the middle of the two first rotating shafts 82, then, one end of the tin wire penetrates between the two limiting blocks 99 at the same side, one end of the tin wire is positioned under the tin plating gun 4, then, the components are placed on the top of the first fixing plate 2, the pins of the components are positioned under one end of the tin wire, then, the tin plating gun 4 and the motor 71 are started, the output shaft of the motor 71 drives the missing gear 72 to rotate, when the missing gear 72 is meshed with the first rack 74, the first rack 74 is driven to move downwards, so that the second supporting plate 73, the tin plating gun 4 and the first movable rod 5 are driven to move downwards, the first spring 6 is compressed, meanwhile, the second supporting plate 73 drives all components on the second supporting plate to move downwards, at the ratchet 85 does not drive the ratchet 83 to rotate, when the tin plating gun 4 is contacted with the tin wire, the tin wire is melted at a high temperature, the melted tin wire falls down to the pin of the component, thereby completing the tin plating operation, when the gear 72 is separated from the first rack 74, the first spring 6 restores to the original state, drives the second support plate 73, the tin plating gun 4, the first movable rod 5 and the first rack 74 to move upwards for resetting, the second support plate 73 drives all the components thereon to move upwards for resetting, when the ratchet 85 contacts with the ratchet 83, the ratchet 83 is driven to rotate, thereby the first rotating shaft 82 is driven to rotate, the first rotating shaft 82 discharges the residual tin wire a little, meanwhile, the first rotating shaft 82 drives the first bevel gear 91 to rotate, thereby the second bevel gear 94 and the second rotating shaft 93 are driven to rotate, the second rotating shaft 93 drives the third rotating shaft 96 on the inner side to rotate through the first transmission component 97, the third rotating shaft 96 on the outer side is driven to rotate through the meshing of the first full gear 98, the third rotating shaft 96 drives the limiting block 99 to rotate, therefore, one end of the tin wire is conveyed forward a little for the next tinning, when the ratchet 85 is separated from the ratchet 83, the rotation is stopped completely, then the components after tinning are taken out manually and put into the next component, the device is operated repeatedly, and after all the pins of all the components are tinned, the tinning gun 4 and the motor 71 are closed.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 8, 9, 10, 11, 12, 13, 14, 15 and 16, the present invention further comprises a fixing mechanism 10, wherein the fixing mechanism 10 comprises a sixth supporting plate 101, an inclined block 102, a second fixing plate 103, a guiding rod 104, a second spring 105, a first movable plate 106, a fixing rod 107, a first torsion spring 108, a first rotating plate 109, a limiting rod 1010, a pressing plate 1011, a third spring 1012, a second fixing block 1013 and a second movable plate 1014, the sixth supporting plate 101 is arranged on the right side of the upper portion of the second supporting plate 73, the inclined block 102 is arranged on the front side of the sixth supporting plate 101, the second fixing plate 103 is arranged on the upper right portion of the rear side of the housing 1, a guiding rod 104 is arranged on the upper right side of the second fixing plate 103, the guiding rod 104 is slidably provided with the first movable plate 106, the guiding rod 104 is wound with the second spring 105, two ends of the second spring 105 are respectively connected with the guiding rod 104 and the first movable plate 106, the left front side and the right back side at shell 1 top all are equipped with dead lever 107, the equal rotary type in dead lever 107 upper portion is equipped with first rotor plate 109, first rotor plate 109 and first fly leaf 106 sliding fit on right side, all be equipped with first torsional spring 108 between first rotor plate 109 and the dead lever 107, first rotor plate 109 middle part on right side and the first rotor plate 109 rear part on left side all slidingtype are equipped with three gag lever posts 1010, the gag lever post 1010 inboard all is equipped with the clamp plate 1011, all be equipped with third spring 1012 between the first rotor plate 109 in the gag lever post 1010 outside and the homonymy, the top front middle side is equipped with second fixed block 1013 in shell 1, the sliding type is equipped with second fly leaf 1014 on second fixed block 1013, second fly leaf 1014 cooperates with first rotor plate 109.
When the second support plate 73 moves downwards, the sixth support plate 101 and the oblique block 102 are driven to move downwards, when the oblique block 102 contacts with the first movable plate 106, the first movable plate 106 is driven to move right, the second spring 105 is compressed, the first movable plate 106 drives the first rotating plate 109 on the right side to rotate, the first torsion spring 108 on the right side deforms, the first movable plate 106 presses the second movable plate 1014 to move left, the second movable plate 1014 presses the first rotating plate 109 on the left side to rotate in the opposite direction, the first torsion spring 108 on the left side deforms, the first rotating plate 109 drives the limiting rod 1010 and the pressing plate 1011 to move inwards, when the pressing plate 1011 contacts with the component, the limiting rod 1010 stops moving inwards, the third spring 1012 stretches, so that the pressing plate 1011 clamps the component to prevent the component from moving, when the second support plate 73 moves upwards to reset, the sixth support plate 101 and the oblique block 102 are driven to move upwards to reset, when the sloping block 102 is separated from the first movable plate 106, the second spring 105 is restored to the original state to drive the first movable plate 106 to move leftwards and reset, the first torsion springs 108 on the two sides are restored to the original state to drive the first rotating plates 109 on the two sides to rotate and reset, the first rotating plates 109 on the left side extrude the second movable plate 1014 to move rightwards and reset, meanwhile, the first rotating plates 109 drive the limiting rods 1010 and the pressing plates 1011 to move outwards and reset, the third spring 1012 is restored to the original state to enable the pressing plates 1011 to loosen components, and then the components after being tinned can be taken out manually.
The push-out mechanism 11 is further included, the push-out mechanism 11 includes a fourth spring 1101, a third movable plate 1102, a fourth movable plate 1103, a fifth spring 1104, a third fixed block 1105, a second movable rod 1106, a sixth spring 1107, a seventh support plate 1108, a fourth rotating shaft 1109, a second torsion spring 1110, a second rotating plate 1111 and a limit plate 1112, the third movable plate 1102 is arranged on the top of the first fixed plate 2 in a left-right symmetrical sliding manner, the fourth spring 1101 is arranged between the front side of the third movable plate 1102 and the first fixed plate 2, the fourth movable plate 1103 is arranged on the upper portion of the rear side of the third movable plate 1102 in a sliding manner, the fifth spring 1104 is arranged between the top of the fourth movable plate 1103 and the third movable plate 1102, the third fixed block 1105 is arranged on the rear side of the first fixed plate 2 in a left-right symmetrical manner, the second movable rod 1106 is arranged on the third fixed block 1105 in a sliding manner, a circular hole is formed on the fourth movable plate 1103, and the circular hole is matched with the second movable rod 1106, all be equipped with sixth spring 1107 between second movable rod 1106 lower part and the third fixed block 1105, second backup pad 73 is controlled both sides front and is all equipped with seventh backup pad 1108, the equal rotary type in seventh backup pad 1108 lower part is equipped with fourth pivot 1109, all be equipped with second torsional spring 1110 between the fourth pivot 1109 outside and the seventh backup pad 1108, all be equipped with second commentaries on classics board 1111 on the fourth pivot 1109, second commentaries on classics board 1111 and the cooperation of fourth fly leaf 1103, seventh backup pad 1108 bottom all is equipped with limiting plate 1112, limiting plate 1112 and the cooperation of second commentaries on classics board 1111.
When people need to tin the pins of the components, the components are firstly placed on the front side of the top of the first fixed plate 2, then the components are pushed backwards to drive the third movable plate 1102 and the fourth movable plate 1103 to move backwards, the fourth spring 1101 is stretched, when the fourth movable plate 1103 is contacted with the second movable rod 1106, the second movable rod 1106 is extruded to move downwards, the sixth spring 1107 is stretched, when the second movable rod 1106 is aligned with the round hole on the fourth movable plate 1103, the sixth spring 1107 is restored to the original state to drive the second movable rod 1106 to move upwards to reset and block the fourth movable plate 1103, thereby fixing the position of the third movable plate 1102, then the components are manually released, when the second support plate 73 moves downwards, the seventh support plate 1108 is driven to move downwards, the seventh support plate 1108 drives all the components thereon to move downwards, when the second rotary plate 1111 is contacted with the fourth movable plate 1103, the fourth movable plate 1103 is extruded to rotate upwards, the fourth rotating shaft 1109 is driven to rotate, the second torsion spring 1110 deforms, when the second rotating plate 1111 passes over the fourth moving plate 1103, the second torsion spring 1110 restores to the original state, the fourth rotating shaft 1109 is driven to rotate reversely and close, so that the second rotating plate 1111 is driven to rotate downwards and reset, when the second supporting plate 73 moves upwards and resets, the seventh supporting plate 1108 is driven to move upwards and reset, when the second rotating plate 1111 contacts with the fourth moving plate 1103, the second rotating plate 1111 cannot rotate downwards due to the limit plate 1112 propping against the second rotating plate 1111, the second rotating plate 1111 drives the fourth moving plate 1103 to move upwards, the fifth spring 1104 compresses, so that the fourth moving plate 1103 is separated from the second moving rod 1106, the fourth spring 1101 restores to the original state, so as to drive the third moving plate 1102 and the fourth moving plate 1103 and the fourth moving forwards and reset, at this time, the fourth moving plate 1111 is separated from the second rotating plate 1111, the fifth spring 1104 is restored to an original state, and drives the fourth movable plate 1103 to move downward and reset, and meanwhile, the third movable plate 1102 pushes out the tinned component forward, and the component is collected manually.
The shielding mechanism 12 is further included, the shielding mechanism 12 includes a second rack 1201, a fifth rotating shaft 1202, a second full gear 1203, a sixth rotating shaft 1204, a second transmission assembly 1205 and a shielding plate 1206, the second rack 1201 is disposed on the front left side of the first movable plate 106, the fifth rotating shaft 1202 is rotatably disposed on the right rear side of the top of the housing 1, the second full gear 1203 is disposed on the upper portion of the fifth rotating shaft 1202, the second full gear 1203 is matched with the second rack 1201, the sixth rotating shaft 1204 is rotatably disposed on the right rear side of the top of the housing 1, the sixth rotating shaft 1204 is located on the front side of the fifth rotating shaft 1202, the second transmission assembly 1205 is disposed between the upper portion of the sixth rotating shaft 1204 and the upper portion of the fifth rotating shaft 1202, the second transmission assembly 1205 is composed of two belt pulleys and one belt, a belt pulley is disposed on each of the upper portion of the sixth rotating shaft 1204 and the upper portion of the fifth rotating shaft 1202, a belt is wound between the two belt pulleys, and the shielding plate 1206 is disposed on the top of the sixth rotating shaft 1204.
When first movable plate 106 moves to the right, drive second rack 1201 and move to the right, when second rack 1201 meshes with second full gear 1203, drive second full gear 1203 and rotate, thereby drive fifth pivot 1202 and rotate, drive sixth pivot 1204 through second transmission assembly 1205 and rotate, thereby drive shielding plate 1206 and rotate, make shielding plate 1206 block the preceding upside of tin silk, it stings people's eyes to avoid the tin silk to send the highlight, when first movable plate 106 moves to the left and resets, drive second rack 1201 moves to the left and resets, second rack 1201 drives the reversal of second full gear 1203, thereby drive shielding plate 1206 and reverse and reset, when second rack 1201 separates with second full gear 1203, second full gear 1203 stall.
The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.