CN112622135A

CN112622135A - Special clamping equipment for mould pressing machine mould

Info

Publication number: CN112622135A
Application number: CN202011565166.XA
Authority: CN
Inventors: 崔国倾
Original assignee: Nanjing Puhexuan Technology Co ltd
Current assignee: Nanjing Puhexuan Technology Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-04-09

Abstract

The invention relates to the relevant field of molding presses, in particular to a special clamping device for a molding press die, which comprises a box body and a first cavity fixedly arranged in the box body, wherein a driving shaft is rotatably arranged between the front end wall and the rear end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly arranged on the front side end wall of the first cavity, and a worm is fixedly arranged on the outer surface of the driving shaft in the first cavity, the efficiency of compression molding is very high.

Description

Special clamping equipment for mould pressing machine mould

Technical Field

The invention relates to the relevant field of molding presses, in particular to a special clamping device for a mold of a molding press.

Background

The moulding press is a special shoe-making equipment integrating the vulcanization, pressing and forming of the sole, has the function of automatic program control, is advanced and reliable in hydraulic system, and can realize automatic constant temperature, automatic deflation, automatic mould stripping and automatic control time. As the mechanical link mechanism is adopted, the phenomena of mold expansion, glue opening, degumming and the like can be avoided in the shoe vulcanization process. Because the inverted vamp is clean, the high-quality military police shoes with long tubes, middle uppers and low uppers can be produced. The existing mould pressing machines are more and more in variety, and only in the aspect of shoe pressing, the mould pressing machines need to form a mould when pressing and forming materials, the materials are pressed into the mould and need to be clamped, the existing clamping equipment can only clamp the mould, cannot move the mould, and cannot automatically take out the materials which are pressed and formed from the mould, so that the problem needs to be solved by arranging special clamping equipment for the mould pressing machines.

Disclosure of Invention

The invention aims to provide special clamping equipment for a mould pressing machine mould, which can overcome the defects in the prior art, thereby improving the practicability of the equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the special clamping device for the die pressing machine die comprises a box body and a first cavity fixedly arranged in the box body, a driving shaft is rotatably arranged between the front end wall and the rear end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly arranged on the front side end wall of the first cavity, a worm is fixedly arranged on the outer surface of the driving shaft in the first cavity, the worm and the worm wheel are in meshing transmission, the worm wheel is fixedly arranged on the outer surface of a worm wheel shaft, the worm wheel shaft is rotatably arranged between the left end wall and the right end wall of the first cavity in a penetrating manner, bevel gear cavities are fixedly arranged in the box body on the left side and the right side of the first cavity in a left-right symmetrical manner, first transmission devices for transmission between the worm wheel shaft and a screw rod are arranged on the outer surfaces of the tail ends on the left side and the right side, a mould pressing cavity is fixedly arranged in the box body on the lower side of the first cavity, a mould is slidably arranged on the end wall of the lower side of the mould pressing cavity, the screw rod is rotatably arranged on the end wall of one side, far away from the mould pressing cavity, of the contact transmission cavity, a clamping device for clamping the mould is arranged on the outer surface of the end, close to the mould pressing cavity, of one side of the screw rod, a collecting cavity is fixedly arranged on the end wall of the lower side of the mould pressing cavity on the rear side of the mould and used for collecting a mould pressing forming material, a gear cavity is fixedly arranged in the box body on the rear side of the first cavity, a second transmission device for transmission between the driving shaft and a gear shaft is arranged at the end of the rear side of the driving shaft in the gear cavity, the gear shaft is rotatably arranged on the end wall, the outer fixed surface of the gear shaft in the pressure lever cavity is provided with a first rotating drum, the outer fixed surface of the first rotating drum is provided with an arc-shaped groove, a connecting rod is arranged in the arc-shaped groove in a sliding mode, the outer fixed surface of the lower side end wall of the connecting rod is provided with a pressure lever, the pressure lever penetrates through the lower side end wall of the pressure lever and is arranged on the lower side end wall of the pressure lever cavity in a sliding mode, a pressing block is arranged on the outer fixed surface of the lower side end wall of the pressure lever, and the.

Further, the first transmission device comprises the worm gear shaft, first bevel gears are fixedly mounted on the outer surfaces of the tail ends of the left side and the right side of the worm gear shaft, the first bevel gears and second bevel gears are in meshing transmission, the second bevel gears are fixedly mounted on the outer surface of the tail end of the upper side of the turntable shaft, the turntable shaft is rotatably mounted on the lower end wall of the bevel gear cavity in a penetrating manner, a turntable is fixedly mounted on the outer surface of the tail end of the lower side of the turntable shaft in a contact transmission cavity, stop rods are fixedly mounted on the circumferential array of the outer surface of the turntable, the stop rods are in contact transmission with the shift rods, the shift rods are fixedly mounted on the outer surface of the shift rod shaft, the shift rod shaft is rotatably mounted between left and right shift rod shaft mounting racks, the shift rod shaft mounting racks are fixedly mounted on the outer, the torsion spring is nested on the outer surface of the poking rod shaft, and the second rotary drum is fixedly arranged on the outer surface of the screw rod.

Further, clamping device includes the lead screw, the rotation installation of lead screw is because the sliding sleeve, the sliding sleeve runs through slidable mounting and is in the contact transmission chamber is close to on the wall of one side end in moulding chamber, the external fixed surface of sliding sleeve is connected with the slide, slide slidable mounting is in on the wall of the upside end in contact transmission chamber, the slide with the contact transmission chamber is close to pass through between the wall of moulding chamber one side end spring switch connects, in the moulding chamber sliding sleeve one side end wall external fixed surface installs the fixed plate, the fixed plate internal fixation is provided with the sliding tray, slidable mounting has the mounting bracket between the upper and lower end wall of sliding tray, the mounting bracket internal fixation is provided with the recess, the mounting bracket is close to mould one side end wall external fixed surface front side has the tight piece of clamp.

Further, the second transmission device comprises the driving shaft, a rotating block is fixedly mounted on the outer surface of the rear end of the driving shaft in the gear cavity, a sliding cavity is fixedly arranged in the rotating block in an array mode, meshing teeth are slidably mounted in the sliding cavity, the meshing teeth are connected with the bottom wall of the sliding cavity through a first connecting spring, meshing transmission is performed between the meshing teeth and the gears, the gears are fixedly mounted on the outer surface of the upper end of the gear shaft, a braking groove is fixedly formed in the outer surface of the gear shaft on the lower side of the gear cavity, a braking block is inserted into the braking groove, the braking block is slidably mounted in the braking cavity, the braking cavity is fixedly arranged in the box body on the front side of the braking groove, the braking block is connected with the front side end wall of the braking cavity through a second connecting spring, and a cord is fixedly connected to the outer surface of the front, the rope is fixedly connected to the outer surface of the rear side end wall of the sliding rod, the sliding rod is slidably mounted on the rear side end wall of the sliding groove on the right side, the outer surface of the front side end wall of the sliding rod is fixedly provided with a contact block, the contact block is connected with the rear side end wall of the sliding groove through a return spring, and the return spring is mounted on the outer surface of the sliding rod in a nested mode.

Further, the moving device comprises the worm wheel shaft, a second belt wheel is fixedly mounted on the outer surface of the worm wheel shaft, the second belt wheel is connected with and driven by a transmission belt, a second cavity is fixedly arranged in the box body which is in contact with the rear side of the transmission cavity, the first belt wheel is rotatably mounted on the outer surface of a fixed block, spline cavities are fixedly arranged in the fixed block in an array mode, splines are slidably mounted in the spline cavities, the splines are connected with the bottom walls of the spline cavities through spline connecting springs, an air pump is fixedly mounted on the end wall, close to one side of the mold, of the spline cavity and used for inflating the spline cavities, the splines are inserted into spline grooves, the spline groove fixing array is arranged on the end wall, close to one side of the fixed block, of the first belt wheel, and the fixed block is fixedly mounted on the outer surface of a rotating shaft, the rotating shaft is rotatably installed on the end wall of one side, far away from the mould pressing cavity, of the second cavity, an incomplete gear shaft is installed on the outer surface of the rotating shaft in a sliding mode, the incomplete gear shaft is installed on the end wall, close to one side of the mould pressing cavity, of the second cavity in a penetrating and sliding mode, the incomplete gear shaft is in transmission connection with the fixing plate, an incomplete gear is fixedly installed on the outer surface of the tail end, close to one side of the mould pressing cavity, of the incomplete gear shaft, the incomplete gear and the racks are in meshing transmission, and the racks are vertically and symmetrically and fixedly.

The invention has the beneficial effects that: the utility model provides a special clamping equipment of moulding press mould, can realize the self-holding to the mould, can not appear not hard up moreover, can realize the back-and-forth movement of mould, the material of the briquetting of being convenient for withdraws from the mould, can realize automatic the material of briquetting and impress the collection chamber through the briquetting in, can realize utilizing the separation and reunion between the axle to control each action process for whole motion process goes on in order more, very high compression molding's efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of a clamping device specifically for molds of a molding press according to the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

FIG. 3 is a schematic diagram of B-B in FIG. 1.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Fig. 6 is an enlarged schematic view of E in fig. 2.

Fig. 7 is a schematic view of the structure of F-F in fig. 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The special clamping device for the die press mold described with reference to fig. 1-7 comprises a case 11 and a first cavity 12 fixedly arranged in the case 11, a driving shaft 77 is rotatably arranged between the front and rear end walls of the first cavity 12, the driving shaft 77 is in power connection with a main shaft of a motor 39, the motor 39 is fixedly arranged on the front side end wall of the first cavity 12, a worm 13 is fixedly arranged on the outer surface of the driving shaft 77 in the first cavity 12, the worm 13 and a worm wheel 47 are in meshing transmission, the worm wheel 47 is fixedly arranged on the outer surface of a worm wheel shaft 14, the worm wheel shaft 14 is rotatably arranged between the left and right end walls of the first cavity 12 in a penetrating manner, bevel gear cavities 15 are fixedly arranged in the case 11 on the left and right sides of the first cavity 12 in a left-right symmetrical manner, first transmission devices 100 for transmission between the worm wheel shaft 14 and a screw rod 27 are arranged on the outer surfaces of the left and right ends of the, a contact transmission cavity 25 is fixedly arranged in the box body 11 on the lower side of the bevel gear cavity 15, a die pressing cavity 28 is fixedly arranged in the box body 11 on the lower side of the first cavity 12, a die 29 is slidably arranged on the end wall of the lower side of the die pressing cavity 28, a screw 27 is rotatably arranged on the end wall of one side, far away from the die pressing cavity 28, of the contact transmission cavity 25, a clamping device 101 for clamping the die 29 is arranged on the outer surface of the tail end of one side, close to the die pressing cavity 28, of the screw 27, a collection cavity 48 is fixedly arranged on the end wall of the lower side of the die pressing cavity 28 on the rear side of the die 29, the collection cavity 48 is used for collecting compression molding materials, a gear cavity 42 is fixedly arranged in the box body 11 on the rear side of the first cavity 12, and a second transmission device 102 for transmission between the driving shaft 77 and the gear shaft, the gear shaft 46 is rotatably installed on the lower side end wall of the gear cavity 42 in a penetrating manner, the pressure rod cavity 35 is fixedly arranged in the box body 11 on the lower side of the gear cavity 42, the first rotating drum 36 is fixedly installed on the outer surface of the gear shaft 46 in the pressure rod cavity 35, the first rotating drum 36 is fixedly provided with the arc-shaped groove 38 in an outer surface manner, the connecting rod 37 is slidably installed in the arc-shaped groove 38, the pressure rod 34 is fixedly installed on the outer surface of the lower side end wall of the connecting rod 37, the pressure rod 34 is slidably installed on the lower side end wall of the pressure rod cavity 35 in a penetrating manner, the pressure block 33 is fixedly installed on the outer surface of the lower side end wall of the pressure rod 34, and the moving device 103 used for moving.

Advantageously, the first transmission device 100 includes the worm gear shaft 14, the outer surfaces of the left and right ends of the worm gear shaft 14 are fixedly mounted with a first bevel gear 17, the first bevel gear 17 and a second bevel gear 18 are in mesh transmission, the second bevel gear 18 is fixedly mounted on the outer surface of the upper end of the turntable shaft 20, the turntable shaft 20 is rotatably mounted on the lower end wall of the bevel gear cavity 15 in a penetrating manner, the outer surface of the lower end of the turntable shaft 20 in the contact transmission cavity 25 is fixedly mounted with a turntable 22, the outer surface of the turntable 22 is circumferentially arrayed with stop rods 23, the stop rods 23 are in contact transmission with shift rods 72, the shift rods 72 are fixedly mounted on the outer surface of the shift rod shafts 69, the shift rod shafts 69 are rotatably mounted between the left and right shift rod shaft mounting brackets 71, the shift rod shaft mounting brackets 71 are fixedly arrayed on the outer surface of the second, the toggle rod shaft mounting frame 71 is connected with the toggle rod 72 through a torsion spring 70, the torsion spring 70 is nested on the outer surface of the toggle rod shaft 69, and the second rotary drum 24 is fixedly mounted on the outer surface of the screw rod 27.

Advantageously, the clamping means 101 comprise said screw 27, the rotary mounting of said screw 27 being obtained thanks to the sliding sleeve 26, the sliding sleeve 26 is installed through the sliding way on the end wall of one side of the contact transmission cavity 25 close to the molding cavity 28, a sliding plate 32 is fixedly connected to the outer surface of the sliding sleeve 26, the sliding plate 32 is slidably mounted on the upper end wall of the contact transmission cavity 25, the slide plate 32 is connected with the end wall of the contact transmission cavity 25 close to one side of the die pressing cavity 28 through the spring switch 31, a fixing plate 52 is fixedly arranged on the outer surface of the end wall of one side of the sliding sleeve 26 in the die pressing cavity 28, a sliding groove 56 is fixedly arranged in the fixed plate 52, a mounting rack 53 is slidably arranged between the upper end wall and the lower end wall of the sliding groove 56, a groove 54 is fixedly arranged in the mounting rack 53, and a clamping block 30 is fixedly arranged on the front side of the outer surface of the end wall of the mounting rack 53 close to one side of the die 29.

Advantageously, the second transmission device 102 includes the driving shaft 77, a rotating block 41 is fixedly installed on the outer surface of the rear end of the driving shaft 77 in the gear chamber 42, a sliding chamber 44 is fixedly arranged in the rotating block 41 in an array, a meshing tooth 40 is slidably installed in the sliding chamber 44, the meshing tooth 40 is connected with the bottom wall of the sliding chamber 44 through a first connecting spring 43, meshing transmission is performed between the meshing tooth 40 and a gear 45, the gear 45 is fixedly installed on the outer surface of the upper end of the gear shaft 46, a braking groove 76 is fixedly arranged on the outer surface of the gear shaft 46 on the lower side of the gear chamber 42, a braking block 75 is inserted into the braking groove 76, the braking block 75 is slidably installed in the braking chamber 74, the braking chamber 74 is fixedly arranged in the housing 11 on the front side of the braking groove 76, and the braking block 75 is connected with the front side end wall of the braking chamber 74 through a second connecting spring 73, a wire rope 49 is fixedly connected to the outer surface of the front side end wall of the brake block 75, the wire rope 49 is fixedly connected to the outer surface of the rear side end wall of a sliding rod 57, the sliding rod 57 is slidably mounted on the rear side end wall of the sliding groove 56 on the right side, a contact block 51 is fixedly mounted on the outer surface of the front side end wall of the sliding rod 57, the contact block 51 is connected with the rear side end wall of the sliding groove 56 through a return spring 50, and the return spring 50 is nested on the outer surface of the sliding rod 57.

Advantageously, the moving device 103 includes the worm wheel shaft 14, a second pulley 16 is fixedly mounted on an outer surface of the worm wheel shaft 14, the second pulley 16 is in drive connection with a first pulley 62 through a drive belt 21, a second cavity 60 is fixedly disposed in the case 11 contacting the rear side of the drive cavity 25, the first pulley 62 is rotatably mounted on an outer surface of a fixed block 68, a spline cavity 67 is fixedly arranged in the fixed block 68 in an array, a spline 64 is slidably mounted in the spline cavity 67, the spline 64 is connected with a bottom wall of the spline cavity 67 by a spline connection spring 65, an air pump 66 is fixedly mounted on an end wall of the side of the spline cavity 67 close to the mold 29, the air pump 66 is used for inflating the spline cavity 67, the spline 64 is inserted into a spline groove 63, the fixed array of spline grooves 63 is disposed on an end wall of the side of the first pulley 62 close to the fixed block 68, the fixed block 68 is fixedly installed on the outer surface of the rotating shaft 61, the rotating shaft 61 is rotatably installed on the end wall of one side of the second cavity 60 far away from the die pressing cavity 28, the incomplete gear shaft 58 is slidably installed on the outer surface of the rotating shaft 61, the incomplete gear shaft 58 is slidably installed on the end wall of one side of the second cavity 60 close to the die pressing cavity 28 in a penetrating manner, the incomplete gear shaft 58 is in transmission connection with the fixed plate 52, the incomplete gear 59 is fixedly installed on the outer surface of the tail end of one side of the incomplete gear shaft 58 close to the die pressing cavity 28, the incomplete gear 59 is in meshing transmission with the rack 55, and the rack 55 is vertically symmetrically and fixedly installed on the upper end.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

In the initial state: the second connecting spring 73 is released, the brake block 75 is inserted into the brake groove 76, the wire 49 is released, and the return spring 50 is released.

Sequence of mechanical actions of the whole device:

when the device of the present invention is operated, the motor 39 is activated to rotate the driving shaft 77, so that the worm 13 is rotated, the worm 13 and the worm wheel 47 are in mesh transmission, so that the worm wheel shaft 14 is rotated, so that the first bevel gear 17 is rotated, the first bevel gear 17 and the second bevel gear 18 are in mesh transmission, so that the turntable shaft 20 is rotated, so that the turntable 22 is rotated, so that the blocking lever 23 is rotated, the blocking lever 23 and the shift lever 72 are in contact transmission, so that the shift lever shaft 69 is rotated, so that the shift lever shaft mounting bracket 71 is rotated, so that the shift lever mounting bracket 71 is rotated, so that the second rotary drum 24 is rotated, so that the lead screw 27 is rotated, so that the slide sleeve 26 is moved toward the mold 29, so that the fixing plate 52 moves towards the mold 29, so that the clamping block 30 clamps the mold 29, the sliding sleeve 26 moves, so that the sliding plate 32 is driven to move, so that the spring switch 31 is compressed, the spring switch 31 sends a signal to the air pump 66, and the fixing plate 52 moves, so that the second cavity 60 is driven to move towards the mold 29.

The air pump 66 is activated by a signal of the spring switch 31, so as to inflate the spline cavity 67, so as to push the spline 64 to be inserted into the spline groove 63, so as to realize the spline connection between the first pulley 62 and the fixed block 68, the worm wheel shaft 14 rotates, so as to drive the second pulley 16 to rotate, the second pulley 16 and the first pulley 62 are in connection transmission through the transmission belt 21, so as to drive the fixed block 68 to rotate, so as to drive the rotating shaft 61 to rotate, so as to drive the incomplete gear shaft 58 to rotate, so as to drive the incomplete gear 59 to rotate, the incomplete gear 59 is in meshing transmission with the rack 55 on the upper side, so as to drive the mounting frame 53 to move backwards, so as to drive the clamping block 30 to move backwards, so as to drive the die 29 to move backwards, when the mounting bracket 53 moves rearward into contact with the contact block 51, the slide rod 57 is moved rearward, the return spring 50 is compressed, the wire 49 is tightened, and the brake block 75 is moved out of the brake slot 76.

The driving shaft 77 rotates to drive the rotating block 41 to rotate, so that the meshing teeth 40 rotate, meshing transmission is carried out between the meshing teeth 40 and the gear 45, so that the gear shaft 46 rotates, so that the first rotating drum 36 rotates, so that the connecting rod 37 is driven to slide in the arc-shaped groove 38, so that the pressing rod 34 moves downwards, so that the pressing block 33 moves downwards to press the material formed in the die 29 into the collecting cavity 48.

When the gear shaft 46 rotates once, the incomplete gear 59 is engaged with the rack 55 on the lower side, so that the mounting bracket 53 is driven to move forward, so that the contact block 51 is separated from the contact block, and the wire 49 is loosened due to the action of the return spring 50, so that the brake block 75 is snapped into the brake groove 76.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a special clamping equipment of moulding press mould, includes the box and the box internal fixation is provided with first cavity, its characterized in that: a driving shaft is rotatably arranged between the front end wall and the rear end wall of the first cavity, the driving shaft is in power connection with a main shaft of a motor, the motor is fixedly arranged on the front side end wall of the first cavity, a worm is fixedly arranged on the outer surface of the driving shaft in the first cavity, the worm and the worm wheel are in meshing transmission, the worm wheel is fixedly arranged on the outer surface of a worm wheel shaft, the worm wheel shaft is rotatably arranged between the left end wall and the right end wall of the first cavity in a penetrating manner, bevel gear cavities are fixedly arranged in the box body on the left side and the right side of the first cavity in a left-right symmetrical manner, first transmission devices for transmission between the worm wheel shaft and a screw rod are arranged on the outer surfaces of the tail ends of the left side and the right side of the worm wheel shaft, a contact transmission cavity is fixedly arranged in, a die is slidably mounted on the lower side end wall of the die pressing cavity, the lead screw is rotatably mounted on the end wall of one side, far away from the die pressing cavity, of the contact transmission cavity, a clamping device for clamping the die is mounted on the outer surface of the end, close to one side of the die pressing cavity, of the lead screw, a collecting cavity is fixedly arranged on the lower side end wall of the die pressing cavity on the rear side of the die, the collecting cavity is used for collecting compression-molded materials, a gear cavity is fixedly arranged in the box body on the rear side of the first cavity, a second transmission device for transmission between the driving shaft and a gear shaft is mounted at the rear side end of the driving shaft in the gear cavity, the gear shaft is rotatably mounted on the lower side end wall of the gear cavity in a penetrating manner, a pressure rod cavity is fixedly arranged in the box body on the, the outer fixed surface of a rotary drum is provided with an arc-shaped groove, a connecting rod is slidably mounted in the arc-shaped groove, a pressing rod is fixedly mounted on the outer surface of the lower side end wall of the connecting rod, the pressing rod penetrates through the lower side end wall of the pressing rod cavity in a sliding manner, a pressing block is fixedly mounted on the outer surface of the lower side end wall of the pressing rod, and a moving device used for moving the mold is mounted on the outer surface of the worm wheel shaft in the bevel gear cavity.

2. The mold-dedicated clamping apparatus for molding machines of claim 1, wherein: the first transmission device comprises the worm wheel shaft, first bevel gears are fixedly mounted on the outer surfaces of the tail ends of the left side and the right side of the worm wheel shaft, the first bevel gears and second bevel gears are in meshing transmission, the second bevel gears are fixedly mounted on the outer surface of the tail end of the upper side of a turntable shaft, the turntable shaft is rotatably mounted on the lower end wall of a bevel gear cavity in a penetrating manner, a turntable is fixedly mounted on the outer surface of the tail end of the lower side of the turntable shaft in a contact transmission cavity, stop rods are fixedly mounted on the circumferential array of the outer surface of the turntable, the stop rods are in contact transmission with shift rods, the shift rods are fixedly mounted on the outer surface of a shift rod shaft, the shift rod shaft is rotatably mounted between left and right shift rod shaft mounting racks, the shift rod shaft mounting racks are fixedly mounted on the, the torsion spring is nested on the outer surface of the poking rod shaft, and the second rotary drum is fixedly arranged on the outer surface of the screw rod.

3. The mold-dedicated clamping apparatus for molding machines of claim 1, wherein: clamping device includes the lead screw, the rotation installation of lead screw is because the sliding sleeve, the sliding sleeve runs through slidable mounting and is in the contact transmission chamber is close to on the wall of one side end in moulding chamber, the outer fixed surface of sliding sleeve is connected with the slide, slide slidable mounting is in on the wall of the upside end in contact transmission chamber, the slide with the contact transmission chamber is close to pass through between the wall of moulding chamber one side end spring switch connects, in the moulding chamber sliding sleeve one side end wall outer fixed surface installs the fixed plate, the fixed plate internal fixation is provided with the sliding tray, slidable mounting has the mounting bracket between the upper and lower end wall of sliding tray, the mounting bracket internal fixation is provided with the recess, the mounting bracket is close to mould one side end wall outer fixed surface front side has the tight piece of.

4. The mold-dedicated clamping apparatus for molding machines of claim 1, wherein: the second transmission device comprises the driving shaft, a rotating block is fixedly installed on the outer surface of the rear end of the driving shaft in the gear cavity, a sliding cavity is fixedly arranged in the rotating block in an array mode, meshing teeth are slidably installed in the sliding cavity, the meshing teeth are connected with the bottom wall of the sliding cavity through a first connecting spring, meshing transmission is conducted between the meshing teeth and a gear, the gear is fixedly installed on the outer surface of the upper end of the gear shaft, a braking groove is fixedly formed in the outer surface of the gear shaft on the lower side of the gear cavity, a braking block is inserted into the braking groove, the braking block is slidably installed in the braking cavity, the braking cavity is fixedly arranged in the box body on the front side of the braking groove, the braking block is connected with the front side end wall of the braking cavity through a second connecting spring, and a wire rope is fixedly connected to the outer surface, the rope is fixedly connected to the outer surface of the rear side end wall of the sliding rod, the sliding rod is slidably mounted on the rear side end wall of the sliding groove on the right side, the outer surface of the front side end wall of the sliding rod is fixedly provided with a contact block, the contact block is connected with the rear side end wall of the sliding groove through a return spring, and the return spring is mounted on the outer surface of the sliding rod in a nested mode.

5. The mold-dedicated clamping apparatus for molding machines of claim 1, wherein: the moving device comprises the worm wheel shaft, a second belt wheel is fixedly arranged on the outer surface of the worm wheel shaft, the second belt wheel is connected with and driven by a first belt wheel through a transmission belt, a second cavity is fixedly arranged in the box body on the rear side of the contact transmission cavity, the first belt wheel is rotatably arranged on the outer surface of a fixed block, a spline cavity is fixedly arranged in the fixed block in an array mode, a spline is slidably arranged in the spline cavity, the spline is connected with the bottom wall of the spline cavity through a spline connecting spring, an air pump is fixedly arranged on the end wall, close to one side of the mold, of the spline cavity and used for inflating the spline cavity, the spline is inserted into a spline groove, a spline groove fixing array is arranged on the end wall, close to one side of the fixed block, of the first belt wheel, and the fixed block is fixedly arranged, the rotating shaft is rotatably installed on the end wall of one side, far away from the mould pressing cavity, of the second cavity, an incomplete gear shaft is installed on the outer surface of the rotating shaft in a sliding mode, the incomplete gear shaft is installed on the end wall, close to one side of the mould pressing cavity, of the second cavity in a penetrating and sliding mode, the incomplete gear shaft is in transmission connection with the fixing plate, an incomplete gear is fixedly installed on the outer surface of the tail end, close to one side of the mould pressing cavity, of the incomplete gear shaft, the incomplete gear and the racks are in meshing transmission, and the racks are vertically and symmetrically and fixedly.