Thread rolling mechanism of thread rolling machine
Technical Field
The utility model relates to a thread rolling machine technical field, concretely relates to thread rolling mechanism of thread rolling machine.
Background
The thread rolling machine has two identical thread rolling surfaces with thread shapes with the same spiral angle as that of the bolt thread, and when the thread rolling plates move mutually, the thread rolling machine rolls the screw blank between the two thread rolling plates into thread, and the thread rolling plates finish the processing of one screw thread in one reciprocating motion at a relatively high speed. Through the retrieval, a patent number is 201820608239.0's utility model provides a thread rolling mechanism with a damp towel machine, including actuating mechanism, chute seat, gliding slider in the chute seat and the connecting rod of connecting actuating mechanism and slider, actuating mechanism includes motor and runner, and the motor includes rotor and fuselage, and the rotor is vertical places up, and the runner center is connected on the rotor top, and connecting rod one end detachably connects on the edge of the runner top surface of keeping away from the center of runner, and the connecting rod other end articulates on the slider. Although the gap between the thread rolling plate groups can be adjusted according to the diameters of different screw blanks, the fastener needs to be unscrewed before adjustment, and the fastener needs to be screwed after adjustment, so that a tool is required to be used when the thread rolling mechanism is operated, and the thread rolling mechanism is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a thread rolling mechanism of thread rolling machine to the thread rolling mechanism who solves present thread rolling machine can be according to the clearance between the thread rolling plate group according to the diameter adjustment of different screw embryos, but need unscrew the fastener before adjusting, need tighten the fastener after adjusting, operates like this and need use the instrument, thereby uses inconvenient problem.
The utility model provides a thread rolling mechanism of thread rolling machine, includes the bottom plate, fixes the mount pad of its left end, installs the swivel subassembly on the mount pad and fixes the fixed plate at bottom plate upper end rear side, bottom plate upper end front side sliding connection has the movable plate, open T type slide in the bottom plate upper end left and right sides, the movable plate lower extreme is fixed with the slide, slide and T type slide sliding connection, T type slide inner wall right-hand member is fixed with the rack, the slide lower part rotates and is connected with the gear of being connected with the rack toothing, the inside left and right sides of movable plate is equipped with the inner chamber, inner chamber inner wall top intermediate bearing is connected with axostylus axostyle two, axostylus axostyle two lower parts run through the slide and are fixed with the gear, axostylus axostyle two outside upsides are fixed with the ratchet, the equal bearing of bottom left side in the inner chamber is connected with axostylus axostyle one, axostylus axostyle one outside is fixed with the pawl of being connected with the ratchet, two adjacent axostylus axostyle one upper portion between install synchronous wheel subassembly.
Preferably, the rotating wheel assembly comprises a rotating wheel, a side shaft, a connecting rod and a sliding block, the rotating wheel is rotatably connected to the upper end of the mounting seat, the side shaft is fixed to one side of the upper end of the rotating wheel, the connecting rod movably penetrates through the outer portion of the side shaft, the sliding block is located between the fixed plate and the moving plate and is rotatably connected to the tail end of the connecting rod, a rotating shaft is connected between the sliding block and the connecting rod, and the side faces, opposite to each other, of the moving plate and the sliding block are provided with threads.
Preferably, the motor is installed to the mount pad lower extreme, the output of motor is connected with the motor shaft, the terminal mount pad of running through of motor shaft is connected with the runner.
Preferably, a spring is connected between the pawl and the inner wall of the inner cavity.
Preferably, the movable plate is penetrated through the upper end of the first shaft rod, the synchronous wheel assembly comprises a first synchronous wheel, a first synchronous belt, a second synchronous wheel, a second synchronous belt and a knob, the first synchronous wheel is provided with a pair of synchronous wheels which are fixed on the upper portion of the first shaft rod in a one-to-one correspondence manner, and the first synchronous belt is connected between the first synchronous wheels.
Preferably, the second synchronizing wheel is provided with a pair of synchronizing wheels which are fixed at the upper ends of the first synchronizing wheels in a one-to-one correspondence manner, the second synchronizing wheels are connected between the second synchronizing wheels, and the knob is fixed at the upper end of one of the second synchronizing wheels.
When the thread rolling mechanism of the thread rolling machine needs to be pulled close to the position between the movable plate and the sliding block, the movable plate is directly pushed to be close to the sliding block, the pawl cannot prevent the ratchet from rotating clockwise at the moment, but the pawl can prevent the ratchet from rotating anticlockwise, so that when the screw thread rolling is carried out, the movable plate is prevented from being pulled away from the position between the movable plate and the sliding block, the left end and the right end of the sliding seat and the left end and the right end of the inner wall of the T-shaped slide way can be arranged by adopting convex lines, so that the sliding resistance of the movable plate is increased, when the distance between the movable plate and the sliding block needs to be pulled away, the knob can be rotated to drive the pawl to be not contacted with the ratchet, then the distance between the movable plate and the sliding block can be pulled away, tools are not only in the operation process, but also the operation is convenient.
Drawings
FIG. 1 is a general schematic view of the present invention;
FIG. 2 is a partial schematic view of a portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic cross-sectional view of the bottom plate of the present invention;
fig. 4 is a schematic top view of the ratchet of the present invention.
In the figure: the device comprises a base plate 1, a mounting base 2, a motor 3, a motor 4, a rotating wheel 5, a side shaft 6, a connecting rod 7, a fixing plate 8, a moving plate 9, a sliding block 10, a rotating shaft 11, a sliding rail 12T, a sliding seat 13, a gear 14, a shaft rod 15, a synchronizing wheel 16, a synchronizing wheel 17, a synchronizing belt 18, a synchronizing wheel 19, a synchronizing belt 20, a knob 21, a rack 21, a shaft rod 22, an inner cavity 23, a pawl 24, a ratchet 25 and a spring 26.
Detailed Description
Referring to fig. 1-4, a thread rolling mechanism of a thread rolling machine includes a bottom plate 1, a mounting base 2 fixed at the left end of the bottom plate, a rotating wheel assembly mounted on the mounting base 2, and a fixing plate 8 fixed at the rear side of the upper end of the bottom plate 1, wherein a moving plate 9 is slidably connected to the front side of the upper end of the bottom plate 1, the rotating wheel assembly includes a rotating wheel 5, a side shaft 6, a connecting rod 7, and a slider 10, the rotating wheel 5 is rotatably connected to the upper end of the mounting base 2, the side shaft 6 is fixed to one side of the upper end of the rotating wheel 5, the connecting rod 7 movably penetrates through the side shaft 6, the slider 10 is located between the fixing plate 8 and the moving plate 9 and is rotatably connected to the end of the connecting rod 7, a rotating shaft 11 is connected between the slider 10 and the slider 10, the moving plate 9 and the slider 10 are provided with threads on opposite sides, the lower end of the mounting base 2 is provided with a motor 3, the output end of the motor shaft 4 is connected to the mounting base 2, the motor shaft 4 penetrates through the mounting base 2 and is connected to the rotating wheel 5, the motor shaft 4 can drive the rotating wheel 5 to rotate the rotating wheel 5, the rotating wheel 5 to drive the rotating wheel 6 to drive the rotating wheel 5 to move, the slider 6 to drive a screw to move back and move on the connecting rod 8, and push the slider 10 to move on the fixing plate 8 repeatedly, and push the connecting rod 10, and push the slider in the sliding plate in the process of the reciprocating process;
the left side and the right side of the upper end of the bottom plate 1 are provided with T-shaped slideways 12, the lower end of the movable plate 9 is fixed with a sliding seat 13, the slide seat 13 is connected with the T-shaped slide way 12 in a sliding way, a rack 21 is fixed at the right end of the inner wall of the T-shaped slide way 12, the lower part of the sliding seat 13 is rotatably connected with a gear 14 engaged with the rack 21, the left side and the right side inside the moving plate 9 are provided with inner cavities 23, a second shaft rod 22 is connected with the middle bearing at the top end of the inner wall of the inner cavity 23, the lower part of the second shaft rod 22 penetrates through the sliding seat 13 and is fixed with the gear 14, a ratchet wheel 25 is fixed on the upper side of the outer part of the second shaft rod 22, the left side and the rear side of the bottom in the inner cavity 23 are connected with the first shaft rod 15 in a bearing way, a pawl 24 connected with a ratchet wheel 25 is fixed outside the first shaft rod 15, a spring 26 is connected between the pawl 24 and the inner wall of the inner cavity 23, when the distance between the moving plate 9 and the slide block 10 needs to be drawn, the moving plate 9 is directly pushed to be close to the slide block 10, so that the moving plate 9 drives the slide seat 13 to move backwards along the T-shaped slide rail 12, meanwhile, the gear 14 moves backwards along the rack 21, and the gear 14 is engaged with the rack 21 to rotate clockwise, so that the second shaft 22 rotates clockwise, thereby, the ratchet 25 is driven to rotate clockwise, the pawl 24 does not prevent the ratchet 25 from rotating clockwise, but prevents the ratchet 25 from rotating counterclockwise, so that the ratchet 25 cannot rotate counterclockwise, the gear 14 cannot rotate counterclockwise, so that the gear 14 is caught by the rack 21, to limit the forward movement of the moving plate 9, therefore, when the thread rolling is carried out on the screw blank, the distance between the moving plate 9 and the sliding block 10 is prevented from being drawn, the left end and the right end of the sliding seat 13 and the left end and the right end of the inner wall of the T-shaped slide way 12 can be arranged by convex lines, so that the resistance of the moving plate 9 during sliding is increased;
a synchronous wheel assembly is arranged between the upper parts of two adjacent first shaft levers 15, the upper ends of the first shaft levers 15 penetrate through the moving plate 9, the synchronous wheel assembly comprises a first synchronous wheel 16, a first synchronous belt 17, a second synchronous wheel 18, a second synchronous belt 19 and a knob 20, the first synchronous wheels 16 are fixed on the upper parts of the first shaft levers 15 in a one-to-one correspondence manner, the first synchronous belts 17 are connected between the first synchronous wheels 16, the second synchronous wheels 18 are fixed on the upper ends of the first synchronous wheels 16 in a one-to-one correspondence manner, the second synchronous belts 19 are connected between the second synchronous wheels 18, the knob 20 is fixed on the upper end of one second synchronous wheel 18, when the distance between the moving plate 9 and the sliding block 10 needs to be pulled, the knob 20 can be rotated in a counterclockwise direction, and the knob 20 drives the second synchronous wheels 18, the first synchronous wheels 16 and the first shaft levers 15 to simultaneously rotate counterclockwise, because the first synchronizing wheels 16 rotate synchronously through the first synchronizing belts 17, and the second synchronizing wheels 18 rotate synchronously through the second synchronizing belts 19, all the first shaft rods 15 can rotate anticlockwise at the same time, all the pawls 24 move to be not in contact with the ratchet 25 any more, and the pawls 24 can press the springs 26 at the moment, so that the ratchet 25 can rotate anticlockwise, then the distance between the moving plate 9 and the sliding block 10 can be pulled, the gear 14 is meshed with the rack 21 to rotate anticlockwise along with the forward movement of the moving plate 9, after the moving plate 9 is adjusted to move forwards, the knob 20 is loosened, the pawls 24 are reset by the springs 26 and are connected with the ratchet 25 again, and then the moving plate 9 can be moved forwards again for limiting.
As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.