Section processingequipment for building materials cutting
Technical Field
The present invention relates to a processing device, and more particularly, to a section processing device for cutting building materials.
Background
When the building materials are cut, burrs or uneven surfaces are left on the sections, and most people can process and polish the sections.
Professional application CN212665732U discloses an automatic five metals building materials equipment of polishing that removes dust, which comprises an outer shell, the right side fixed mounting of shell has the reduction gear, the front fixed mounting of reduction gear has the handle, the bottom fixed mounting of reduction gear has the base, the bottom fixed mounting of base has the fixing base, the output shaft fixed mounting of reduction gear has the transmission shaft that runs through base and fixing base in proper order, the bottom fixed mounting of transmission shaft has the emery wheel that is located the fixing base bottom, the outside movable mounting of fixing base has the protection casing, the top movable mounting of protection casing has the supporting spring that is located the base bottom, the bottom fixed mounting of base has the dead lever that runs through supporting spring, and the bottom fixed mounting of dead lever has the limiting plate that is located the protection casing inside. This automatic five metals building materials equipment of polishing that removes dust can handle the dust automatically to the dust removal effect is good, more convenient to use person uses. Although the device can handle the dust automatically, can not carry out spacing fixed to the building materials when can not polish processing, lead to the building materials to remove easily, influence the processing effect.
Based on the defect that exists among the prior art, we provide a section processingequipment for building materials cutting that can carry out spacingly to the building materials when polishing, do not influence the processing effect.
Disclosure of Invention
The invention provides a section processing device for cutting building materials, which is capable of limiting the building materials during polishing and does not influence the processing effect, and aims to overcome the defects that the building materials are easy to move and the processing effect is influenced due to the fact that the building materials cannot be limited and fixed during polishing.
The invention is realized by the following technical approaches:
The utility model provides a section processingequipment for building materials cutting, includes grudging post, mounting panel, emery wheel, grinding machanism and placement mechanism, and the bilateral symmetry rigid coupling of mounting panel bottom has the grudging post, is equipped with the grinding machanism that is used for providing power on the mounting panel, is equipped with the emery wheel that is used for polishing processing on the grinding machanism, is equipped with the placement mechanism that is used for placing the building materials on the mounting panel.
Further stated, the polishing mechanism comprises a limiting seat, a sliding plate, a mounting frame and a motor, wherein the right side of the top of the mounting plate is fixedly connected with the limiting seat, the sliding plate is arranged in the limiting seat, the mounting frame is fixedly connected to the top of the sliding plate, the motor is connected to the upper portion of the mounting frame in a bolt mode, and an output shaft of the motor is fixedly connected with the grinding wheel.
Further stated, the placing mechanism comprises a fixed seat, a first rotating shaft, an elastic belt, a knob, a first spring wheel, a C-shaped plate, sliding blocks, a fixed rod, a limiting wheel, a first sliding rod, a connecting plate and a first reset spring, wherein the fixed seat is fixedly connected to the left side of the top of the mounting plate, the first rotating shaft is rotatably arranged in the middle of the front portion of the fixed seat, the knob is fixedly connected to the left portion of the first rotating shaft, the first spring wheel is fixedly connected to the middle of the first rotating shaft, the elastic belt is wound on the left side and right side of the top of the fixed seat, the C-shaped plate is fixedly connected to the middle of the front side of the fixed seat, sliding blocks are arranged on the left side and the right side of the fixed seat in a sliding mode, the limiting wheel is fixedly connected to the middle of the fixed rod, the first spring wheel is meshed with the limiting wheel, two first sliding rods are fixedly connected to the C-shaped plate, the adjacent first sliding rods are fixedly connected to the front ends of the first sliding rods, the connecting plate is fixedly connected to the front ends of the first sliding rods, the first reset spring is wound on the rear ends of the first sliding rods, one ends of the first reset springs are connected to the C-shaped springs, and the first reset springs are connected to the first reset springs.
The tensioning mechanism comprises a second rotating shaft, a column gear, a rack, a limiting frame, a third rotating shaft, a transmission component, a fourth rotating shaft, a bevel gear, a ratchet wheel and a second spring wheel, wherein the second rotating shaft is rotatably arranged in the middle of the front part of the mounting plate, the column gear is fixedly connected to the upper part of the second rotating shaft, the rack is fixedly connected to the left front side of the bottom of the sliding plate, the rack is meshed with the column gear, the limiting frame is fixedly connected to the left front side of the top of the mounting plate, the third rotating shaft is rotatably arranged between the middle part of the limiting frame and the left front part of the mounting plate, the transmission component is connected between the lower part of the third rotating shaft and the lower part of the second rotating shaft, the transmission component consists of two belt pulleys and a belt, one belt pulley is arranged on the lower part of the third rotating shaft, the other belt pulley is arranged on the lower part of the second rotating shaft, the belt is wound between the two belt pulleys, the front lower side of the right part of the fixing seat is rotatably provided with the fourth rotating shaft, the bevel gear is fixedly connected to the right part of the upper part of the third rotating shaft, the two bevel gears are mutually meshed, the left part of the fourth rotating shaft is fixedly connected to the ratchet wheel, the right part of the first rotating shaft is fixedly connected to the second spring wheel is meshed with the second spring wheel for driving, and the second spring wheel is meshed with the second spring wheel.
The positioning mechanism comprises a groove cylinder, a second sliding rod, a fixed disc, a second reset spring, a positioning plate, a stop block, a contact plate, a fixed block, a third sliding rod, a top plate, an inclined block, a third reset spring and a long plate, wherein the groove cylinder is fixedly connected to the rear portion of the fixed seat, the second sliding rod is slidably arranged in the groove cylinder, the fixed disc is fixedly connected to the left end of the second sliding rod, the second reset spring is wound on the left portion of the second sliding rod, one end of the second reset spring is connected with the fixed disc, the other end of the second reset spring is connected with the groove cylinder, the right portion of the second sliding rod is fixedly connected with the positioning plate for positioning building materials, the stop block is fixedly connected with the second sliding rod, the contact plate is fixedly connected to the right portion of the second sliding rod, the middle side of the right portion of the fixed seat is fixedly connected with the fixed block, the third sliding rod is fixedly connected to the left side and right side of the fixed block, the top plate is fixedly connected between the top ends of the third sliding rods, the inclined block is fixedly connected between the left side and the bottom ends of the third sliding rods, the lower portion of the third sliding rod is wound on the third reset spring, and the long plate is fixedly connected with the long plate, and the long plate is fixedly connected to the long plate.
The device comprises a mounting plate, a limiting seat, a fixed column, a rotating plate, a groove plate and a fixed column.
Further, the limiting mechanism for limiting the sliding plate comprises a groove block, a limiting block, a pull rod and a fourth reset spring, wherein the groove block is arranged on the right side of the front portion of the sliding plate in an embedded mode, the pull rod is arranged in the middle of the groove block in a sliding mode, the limiting block for limiting the sliding plate is fixedly connected to the rear end of the pull rod, the limiting block is in contact with the sliding plate, the fourth reset spring is wound on the pull rod, one end of the fourth reset spring is connected with the limiting block, and the other end of the fourth reset spring is connected with the groove block.
Further stated, the front end of the pull rod is fixedly connected with a handle.
The invention has the remarkable advantages that:
1. According to the invention, the knob is twisted to rotate positively, the first rotating shaft drives the elastic belt to roll, the elastic belt is rolled to limit building materials, meanwhile, the sliding plate is pushed to move leftwards, the grinding wheel moves leftwards and is in contact with detection, the motor is started, the grinding wheel is driven to rotate by the motor, the section of the building materials is polished by the rotation of the grinding wheel, and therefore, the building materials can be limited during polishing, and the processing effect is not affected.
2. Under the action of the positioning mechanism, people can place building materials on the fixing seat, the building materials are contacted with the positioning plate, and the positioning plate is used for positioning the building materials, so that the situation that the building materials cannot move in place can be avoided.
3. Under the action of the toggle mechanism, the motor can be moved by pulling the rotating plate to swing, so that people can conveniently move the motor.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic view of a first partial structure of the present invention.
Fig. 4 is a schematic view of a second partial structure of the present invention.
Fig. 5 is a schematic perspective view of the polishing mechanism of the present invention.
Fig. 6 is a schematic cross-sectional view of the placement mechanism of the present invention.
Fig. 7 is a schematic view of a partial cross-sectional structure of the placement mechanism of the present invention.
Fig. 8 is a schematic perspective view of the tensioning mechanism of the present invention.
Fig. 9 is a schematic perspective view of a positioning mechanism according to the present invention.
FIG. 10 is a schematic view of a partial cross-sectional structure of a positioning mechanism according to the present invention.
Fig. 11 is a schematic view of a part of a perspective structure of a positioning mechanism of the present invention.
Fig. 12 is a schematic perspective view of a toggle mechanism according to the present invention.
Fig. 13 is a schematic cross-sectional view of a limiting mechanism according to the present invention.
Part names and serial numbers in the figure: 1_stand, 2_mounting plate, 3_grinding wheel, 4_grinding mechanism, 41_limit seat, 42_slide plate, 43_mounting frame, 44_motor, 5_placement mechanism, 51_fixed seat, 52_first spindle, 53_elastic band, 54_knob, 55_first spring wheel, 56_c plate, 57_slide block, 58_fixed rod, 59_limit wheel, 510_first slide rod, 511_connecting plate, 512_first return spring, 6_tensioning mechanism, 61_second spindle, 62_column gear, 63_rack, 64_limit frame, 65_third spindle, 66_transmission assembly, 67_fourth spindle, 68_bevel gear, 69_ratchet, 610_second spring wheel, 7_positioning mechanism, 71_grooved drum, 72_second slide bar, 73_fixed disk, 74_second return spring, 75_positioning plate, 76_stop, 77_contact plate, 78_fixed block, 79_third slide bar, 710_top plate, 711_ramp, 712_third return spring, 713_long plate, 8_toggle mechanism, 81_fixed post, 82_fifth spindle, 83_rotating plate, 84_grooved plate, 9_limit mechanism, 91_grooved block, 92_limit block, 93_pull rod, 94_fourth return spring.
Detailed Description
The invention is further elucidated below in connection with the drawings of the description, and embodiments of the invention are given in connection with the drawings of the description.
Example 1
The utility model provides a section processingequipment for building materials cutting, as shown in fig. 1-7, including grudging post 1, mounting panel 2, emery wheel 3, grinding machanism 4 and placement mechanism 5, mounting panel 2 bottom bilateral symmetry rigid coupling has grudging post 1, be equipped with on the mounting panel 2 and be used for providing the grinding machanism 4 of power, be equipped with the emery wheel 3 on the grinding machanism 4, emery wheel 3 can realize processing the building materials, grinding machanism 4 can be realized providing power for emery wheel 3, be equipped with placement mechanism 5 on the mounting panel 2, placement mechanism 5 can realize placing the building materials.
As shown in fig. 1-5, the polishing mechanism 4 comprises a limiting seat 41, a sliding plate 42, a mounting frame 43 and a motor 44, wherein the limiting seat 41 is fixedly connected to the right side of the top of the mounting plate 2, the sliding plate 42 is arranged in the limiting seat 41 in a sliding manner, the mounting frame 43 is fixedly connected to the top of the sliding plate 42, the motor 44 is connected to the upper portion of the mounting frame 43 in a bolt manner, and an output shaft of the motor 44 is fixedly connected with the grinding wheel 3.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 6 and fig. 7, the placement mechanism 5 comprises a fixed seat 51, a first rotating shaft 52, an elastic belt 53, a knob 54, a first spring wheel 55, a C-shaped plate 56, a sliding block 57, a fixed rod 58, a limiting wheel 59, a first sliding rod 510, a connecting plate 511 and a first reset spring 512, wherein the fixed seat 51 is fixedly connected to the left side of the top of the mounting plate 2, the first rotating shaft 52 is rotatably arranged in the middle of the front part of the fixed seat 51, the knob 54 is fixedly connected to the left part of the first rotating shaft 52, the first spring wheel 55 is fixedly connected to the middle of the first rotating shaft 52, an elastic belt 53 is symmetrically wound between the rear side of the top of the fixed seat 51 and the first rotating shaft 52, the C-shaped plate 56 is fixedly connected to the left side and the right side of the first rotating shaft 52, the sliding block 57 is slidably arranged on the left side and the right side of the C-shaped plate 56, the fixed rod 58 is rotatably arranged between the sliding blocks 57 on the left side and the two sides, the limiting wheel 59 is fixedly connected to the middle of the fixed rod 58, the first spring wheel 55 is meshed with the limiting wheel 59, two first sliding rods 510 are slidably arranged in the middle of the front part of the fixed seat 51, the first sliding rods 510 are fixedly connected to the first sliding rods 510 and the first sliding blocks 510 are fixedly connected to the first sliding blocks 512, the first sliding blocks are connected to the first sliding blocks 512, and the first ends of the first sliding blocks 512 are fixedly connected to the first sliding blocks 512, and the first sliding blocks 512 are fixedly connected to the first ends and the first sliding blocks 512.
Firstly, an operator places building materials on a fixed seat 51, an elastic belt 53 is sleeved on the building materials, a twisting knob 54 rotates positively, the knob 54 rotates positively to drive a first rotating shaft 52 to rotate positively, the first rotating shaft 52 rotates positively to drive the elastic belt 53 to wind up, the elastic belt 53 winds up to limit the building materials, meanwhile, the first rotating shaft 52 rotates positively to drive a first spring wheel 55 to rotate positively, the first spring wheel 55 rotates positively to slide on a limiting wheel 59, so that the elastic belt 53 winds up to the maximum extent, the twisting knob 54 is stopped, the limiting wheel 59 limits the first spring wheel 55, then the sliding plate 42 is pushed to move leftwards, the sliding plate 42 moves leftwards to drive the mounting frame 43 to move leftwards, the mounting frame 43 moves leftwards to drive the motor 44 to move leftwards, the motor 44 moves leftwards to drive the grinding wheel 3 to move leftwards to be in contact with the building materials, the motor 44 is started, the motor 44 drives the grinding wheel 3 to rotate, after finishing the polishing of the section of the building material, the motor 44 is turned off, the grinding wheel 3 stops rotating, the sliding plate 42 is pulled to move rightwards to reset through the motor 44 driven by the mounting frame 43, the connecting plate 511 is pulled to drive the first sliding rod 510 to move forwards, the first reset spring 512 is compressed, the first sliding rod 510 moves forwards to drive the sliding block 57 to move forwards, the sliding block 57 moves forwards to drive the fixing rod 58 to move forwards, the fixing rod 58 moves forwards to drive the limiting wheel 59 to move forwards, the limiting wheel 59 moves forwards to stop limiting the first spring wheel 55, the elastic belt 53 is loosened to reset, the connecting plate 511 is further loosened, the sliding block 57 drives the limiting wheel 59 to move backwards to reset through the fixing rod 58 due to the action of the first reset spring 512, and the building material is taken out for subsequent treatment.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 3 and 8, the device further comprises a tensioning mechanism 6, the tensioning mechanism 6 comprises a second rotating shaft 61, a post gear 62, a rack 63, a limiting frame 64, a third rotating shaft 65, a transmission assembly 66, a fourth rotating shaft 67, a bevel gear 68, a ratchet wheel 69 and a second spring wheel 610, the second rotating shaft 61 is rotatably arranged in the middle of the front part of the mounting plate 2, the post gear 62 is fixedly connected to the upper part of the second rotating shaft 61, the rack 63 is fixedly connected to the left front side of the bottom of the sliding plate 42, the rack 63 is meshed with the post gear 62, the limiting frame 64 is fixedly connected to the left front side of the top of the mounting plate 2, a third rotating shaft 65 is rotatably arranged between the middle part of the limiting frame 64 and the left front part of the mounting plate 2, a transmission assembly 66 is connected between the lower part of the third rotating shaft 65 and the lower part of the second rotating shaft 61, the transmission assembly 66 consists of two belt pulleys and a belt, one belt pulley is mounted on the lower part of the third rotating shaft 65, the other belt pulley is mounted on the lower part of the second rotating shaft 61, the belt is wound between the two belt pulleys, the fourth rotating shaft 67 is rotatably arranged on the right lower part of the front lower part of the fixing seat 51, the right part of the fourth rotating shaft 67 is fixedly connected to the right rotating shaft 67, the fourth rotating shaft 67 is rotatably arranged on the right front lower part of the right side of the fixing seat 51, the fourth rotating shaft 67 is meshed with the right rotating shaft 69, the fourth rotating shaft 69 is meshed with the fourth rotating shaft 69, the fourth rotating shaft 69 is rotatably fixedly connected to the fourth rotating shaft 610, the fourth rotating shaft is meshed with the fourth rotating shaft 610, the fourth rotating shaft is rotatably meshed with the fourth rotating shaft 610, and is fixedly connected to the fourth rotating shaft 610 is meshed with the fourth rotating shaft and mutually meshed with the fourth rotating shaft 66, and elastic rotating shaft and has.
As shown in fig. 1,2, 4, 9 and 10, the positioning mechanism 7 is further comprised, the positioning mechanism 7 comprises a grooved drum 71, a second sliding rod 72, a fixed disk 73, a second return spring 74, a positioning plate 75, a stop block 76, a contact plate 77, a fixed block 78, a third sliding rod 79, a top plate 710, an inclined block 711, a third return spring 712 and a long plate 713, the rear part of the fixed seat 51 is fixedly connected with the grooved drum 71, the second sliding rod 72 is slidably arranged in the grooved drum 71, the left end of the second sliding rod 72 is fixedly connected with the fixed disk 73, the left part of the second sliding rod 72 is wound with the second return spring 74, one end of the second return spring 74 is connected with the fixed disk 73, the other end of the second return spring 74 is connected with the grooved drum 71, the right part of the second sliding rod 72 is fixedly connected with the positioning plate 75, the locating plate 75 can limit building materials, the groove drum 71 is slidably provided with a stop block 76, the stop block 76 is fixedly connected with the second sliding rod 72, the right part of the second sliding rod 72 is fixedly connected with a contact plate 77, the rear middle side of the right part of the fixed seat 51 is fixedly connected with a fixed block 78, the left side and the right side of the fixed block 78 are slidably provided with a third sliding rod 79, a top plate 710 is fixedly connected between the top ends of the third sliding rods 79 on the left side and the right side, an inclined block 711 is fixedly connected between the bottom ends of the third sliding rods 79 on the left side and the right side, the lower part of the third sliding rod 79 is wound with a third return spring 712, one end of the third return spring 712 is connected with the fixed block 78, the other end of the third return spring 712 is connected with the inclined block 711, the rear side of the lower part of the fixed seat 51 is slidably provided with a long plate 713, the long plate 713 is fixedly connected with the sliding plate 42, and the long plate 713 is contacted with the inclined block 711.
As shown in fig. 1, 3 and 12, the device further comprises a toggle mechanism 8, the toggle mechanism 8 comprises a fixed column 81, a fifth rotating shaft 82, a rotating plate 83 and a groove plate 84, the right middle side of the top of the mounting plate 2 is fixedly connected with the fixed column 81, the right front side of the top of the limiting seat 41 is rotatably provided with the fifth rotating shaft 82, the middle part of the fifth rotating shaft 82 is fixedly connected with the rotating plate 83, the rotating plate 83 can facilitate the movement of the motor 44 by people, the rear side of the rotating plate 83 is fixedly connected with the groove plate 84, the groove plate 84 is sleeved on the fixed column 81, and the fixed column 81 is in sliding connection with the groove plate 84.
As shown in fig. 1, 3 and 13, the sliding plate further comprises a limiting mechanism 9, the limiting mechanism 9 comprises a groove block 91, a limiting block 92, a pull rod 93 and a fourth reset spring 94, the groove block 91 is embedded in the right side of the front portion of the sliding plate 42, the pull rod 93 is arranged in the middle of the groove block 91 in a sliding mode, the limiting block 92 is fixedly connected to the rear end of the pull rod 93, the limiting block 92 can limit the sliding plate 42, the limiting block 92 is in contact with the sliding plate 42, the fourth reset spring 94 is wound on the pull rod 93, one end of the fourth reset spring 94 is connected with the limiting block 92, the other end of the fourth reset spring 94 is connected with the groove block 91, and a handle is fixedly connected to the front end of the pull rod 93.
When the sliding plate 42 is pushed to move leftwards, the sliding plate 42 moves leftwards to drive the rack 63 to move leftwards, the rack 63 moves leftwards to be meshed with the column gear 62, the rack 63 moves leftwards to drive the column gear 62 to rotate reversely, the column gear 62 rotates reversely to drive the second rotating shaft 61 to rotate reversely, the second rotating shaft 61 rotates reversely to drive the transmission assembly 66 to rotate reversely, the transmission assembly 66 rotates reversely to drive the third rotating shaft 65 to rotate reversely, the third rotating shaft 65 rotates reversely to drive the fourth rotating shaft 67 to rotate forwards through the bevel gear 68, the fourth rotating shaft 67 rotates forwards to drive the ratchet 69 to rotate reversely, the ratchet 69 rotates reversely to drive the second spring wheel 610 to rotate forwards, the second spring wheel 610 rotates forwards to drive the first rotating shaft 52 to rotate forwards, the first rotating shaft 52 rotates forwards to drive the elastic belt 53 to roll, after finishing polishing of building materials, the connecting plate 511 is pulled to drive the first sliding rod 510 to move forwards, the first reset spring 512 is compressed, so that the elastic belt 53 is loosened to reset, and the connecting plate 511 is reset, due to the effect of the first reset spring 512, the sliding block 57 drives the limiting wheel 59 to move backwards through the fixing rod 58 to reset, and therefore the elastic belt 53 can be rolled simultaneously.
First, an operator pulls the second sliding rod 72 to move rightwards, the second sliding rod 72 moves rightwards to drive the fixed disc 73 and the positioning plate 75 to move rightwards, the second reset spring 74 is compressed, the positioning plate 75 is pulled to swing forwards, the positioning plate 75 swings forwards to drive the second sliding rod 72 to rotate reversely, the second sliding rod 72 rotates reversely to enable the stop block 76 to move forwards and be clamped into the groove of the groove drum 71, the groove drum 71 limits the stop block 76, the second sliding rod 72 is limited, therefore, people can place building materials on the fixed seat 51, the building materials are contacted with the positioning plate 75, the positioning plate 75 positions the building materials, when the sliding plate 42 is pushed to move leftwards, the sliding plate 42 moves leftwards to drive the long plate 713 to move leftwards to be contacted with the inclined block 711, the long plate 713 moves leftwards to enable the inclined block 711 to move upwards, the third return spring 712 is compressed, the inclined block 711 moves upwards to drive the third sliding rod 79 to move upwards, the third sliding rod 79 moves upwards to drive the top plate 710 to move upwards, the top plate 710 moves upwards to be in contact with the contact plate 77, the top plate 710 moves upwards to enable the contact plate 77 to swing backwards, the second sliding rod 72 also drives the stop block 76 to move backwards to be separated from the groove of the groove drum 71, the second sliding rod 72 drives the positioning plate 75 to move leftwards to reset under the action of the second return spring 74, after finishing polishing of building materials, the sliding plate 42 is pulled to drive the long plate 713 to move rightwards to reset, the long plate 713 is separated from the inclined block 711, and the inclined block 711 drives the top plate 710 to move downwards to reset under the action of the third return spring 712, so that the situation that the building materials cannot move in place can be avoided.
When the motor 44 needs to be moved leftwards, the front part of the rotating plate 83 is pulled to swing rightwards, the front part of the rotating plate 83 swings rightwards to enable the rear part to swing leftwards, the rear part of the rotating plate 83 swings leftwards to drive the groove plate 84 to move leftwards, the groove plate 84 moves leftwards to drive the fixed column 81 to move leftwards, the fixed column 81 moves leftwards to drive the mounting frame 43 to move leftwards, the mounting frame 43 moves leftwards to drive the motor 44 to move leftwards, and similarly, when the motor 44 is moved rightwards, the front part of the rotating plate 83 is pulled to swing leftwards to enable the motor 44 to move rightwards to reset, so that people can conveniently move the motor 44.
Initially, the sliding plate 42 is in contact with the limiting block 92, the fourth return spring 94 is in a compressed state, when the sliding plate 42 moves leftwards, the sliding plate 42 moves leftwards and is separated from the limiting block 92, and due to the action of the fourth return spring 94, the limiting block 92 moves backwards to reset to limit the sliding plate 42, if the sliding plate 42 needs to move rightwards, the pull rod 93 is pulled to move forwards by the handle, the pull rod 93 moves forwards to drive the limiting block 92 to move forwards, the fourth return spring 94 is compressed, and accordingly the sliding plate 42 moves rightwards to reset to be in contact with the limiting block 92 to limit, and movement of the sliding plate 42 can be avoided.
Finally, it is necessary to state that: the foregoing is provided to assist in understanding the technical solutions of the present invention, and is not to be construed as limiting the scope of protection of the present invention; insubstantial modifications and variations from the above teachings are within the scope of the invention as claimed.