CN221209993U - Perforating device for metal processing - Google Patents

Abstract

The utility model discloses a punching device for metal processing, which comprises a metal processing table, a metal clamping mechanism and a longitudinal adjusting mechanism; metal working table: the bottom end of the inner part of the metal processing table is provided with an inclined plane, the right side surface of the metal processing table is provided with a control switch group, and the input end of the control switch group is electrically connected with an external power supply; metal clamping mechanism: the device is fixedly connected to the front side and the rear side of the upper surface of the metal processing table; a longitudinal adjusting mechanism: the upper end of the longitudinal adjusting mechanism is fixedly connected with a bracket; wherein: the upper end of support is equipped with horizontal guiding mechanism, and horizontal guiding mechanism's lower extreme is equipped with the backup pad, and the upper end left and right sides of backup pad is equipped with motor one respectively, and perforating device for this metalworking can process and be suitable for more unidimensional metal drilling operation, and the adaptation is adjusted more conveniently and stably to the drill bit position, satisfies the different drilling demands to metalworking well.

Description

Perforating device for metal processing

Technical Field

The utility model relates to the technical field of metal processing, in particular to a punching device for metal processing.

Background

Metal working refers to a production activity in which a human performs working on a material having metal characteristics composed of a metal element or a metal element as a main component. Is a process technology for processing metal materials into articles, parts and components. In metal processing, steps such as casting, forging, stamping forming, solid forming and the like are required to be carried out on a metal raw material, and a key process in the solid forming and the forming is punching;

In the traditional part punching device, after metal is positioned through a limiting plate on a workbench, quick drilling operation is realized through a pressing structure and electric drilling;

There are problems such as that the punching device or auxiliary equipment for metal working cannot change working range very quickly and suitably in time as the shape and size of the machined metal change, and the workpiece breaks through the elbow in more complicated working conditions.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides the punching device for metal processing, which can change the processing range, change the punching position in the processing process, has more diversity of the working range, lightens the workload of workers when adjusting the punching position and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a perforating device for metal processing comprises a metal processing table, a metal clamping mechanism and a longitudinal adjusting mechanism;

Metal working table: the bottom end of the inner part of the metal processing table is provided with an inclined plane, the right side surface of the metal processing table is provided with a control switch group, and the input end of the control switch group is electrically connected with an external power supply;

metal clamping mechanism: the device is fixedly connected to the front side and the rear side of the upper surface of the metal processing table;

A longitudinal adjusting mechanism: the upper end of the longitudinal adjusting mechanism is fixedly connected with a bracket;

Wherein: the upper end of support is equipped with horizontal guiding mechanism, the lower extreme of horizontal guiding mechanism is equipped with the backup pad, the upper end left and right sides of backup pad is equipped with motor one respectively, motor one's output shaft all rotates with the backup pad to be connected, motor one's output shaft lower extreme all is equipped with lead screw two, the equal threaded connection of bottom of lead screw two has an internal thread section of thick bamboo, the bottom of two internal thread section of thick bamboo all is connected with the upper surface fixed of bottom support seat, the upper end middle part of bottom support seat is equipped with motor four, motor four's output shaft rotates with the middle part of bottom support seat to be connected, motor four's output shaft lower extreme is equipped with the connector, the bottom of connector has the drill bit through bolted connection, motor one and motor four's input all electricity connect control switch group's output, provide stable operational environment for metal working, and can freely adjust the metal of different scope and place the position, can process and be suitable for more not unidimensional metal drilling operation, the drill bit position is more convenient and stable the regulation adaptation, satisfy the different drilling demands to metal working well, alleviate personnel's drilling burden.

Further, metal clamping mechanism includes lower plate, lead screw III, punch holder and cross knob, the lower plate is two, and the lower plate fixed connection of front side is in the upper surface front side of metalworking platform, and the lower plate sliding connection of rear side is in the spout that metalworking platform upper surface rear end was seted up, and the upper end left and right sides of lower plate all rotates and is connected with the lead screw III, and the upper end of the lead screw III that is located on same lower plate all with the upper end threaded connection of an punch holder, and cross knob all fixed connection is in the upper end of lead screw III, can press from both sides tight metal, provides stable metalworking perforating operational environment.

Further, vertical guiding mechanism includes slider two, slide rail and lead screw five, the slide rail is fixedly connected with in the upper surface left and right sides of metalworking platform respectively, the inside of slide rail is sliding connection respectively has slider two, two slider two all with the bottom fixed connection of support, the inside of slide rail all rotates to be connected with lead screw five, the slider two that is located same slide rail and lead screw five threaded connection, the equal fixedly connected with motor three of rear surface of slide rail, the output of motor three and the rear end fixed connection of the vertically adjacent lead screw five, the input of motor three is connected with the output electricity of control switch group, can adjust the position of punching during processing, adapt to more complicated job.

Further, the transverse adjusting mechanism comprises a first sliding block, a fourth screw rod and a fifth motor, guide rails are arranged on two sides of the inner wall of the upper end of the support, the fourth screw rod is rotationally connected to the inside of the support, a first block is slidably connected between the two guide rails, the fifth motor is fixedly connected to the upper end of the right surface of the support, the output end of the fifth motor is fixedly connected with the right end of the fourth screw rod, the first sliding block is in threaded connection with the fourth screw rod, the input end of the fifth motor is electrically connected with the output end of the control switch group, more metal can be processed, and the punching position can be adjusted during processing.

Furthermore, the drilling backing plate is fixedly connected between the two sliding blocks II, and corresponds to the upper and lower positions of the drilling bit, so that supporting force is provided for metal processing and drilling.

Further, waste material baffle sliding connection is in the waste material exit of metalworking platform front end, and waste material baffle handle is equipped with to waste material baffle's leading flank upper end, can clear up the waste material that produces in the metalworking punching fast.

Further, motor two fixed mounting is in the rear surface upper end of metalworking platform, and motor two's output and screw rod one's rear end fixed connection, screw rod one's middle part threaded connection has the slider, and the upper end of slider and the lower plate bottom fixed connection of rear side, motor two's input and the output electricity of control switch group are connected, can punch for more metalworking.

Compared with the prior art, the utility model has the beneficial effects that: the punching device for metal processing has the following advantages:

1. Before metal punches, the staff passes through the regulation of control switch group, motor two rotates, motor two's output rotates and drives lead screw one and rotate, drive slider and rear side's lower plate and slide back and forth in the spout that metal processing platform upper surface rear end was seted up, drive rear side's lower plate and rear side's punch holder synchronous movement, the whole that rear side's lower plate and rear side's punch holder are constituteed and the whole interval that front side's lower plate and front side's punch holder are constituteed is adjustable, place between the metal clamping mechanism at metal processing platform front and back both ends and the both ends of metal are located between punch holder and the lower plate of metal respectively, the staff rotates the cross screw plate of upper surface both sides simultaneously, because the three threaded connection of lead screw of punch holder and left and right sides's lead screw, lead screw three is rotated again and is connected in the lower plate, move down along three upper and down of lead screw three pairs of punch holder's limiting action, through the downwardly moving of punch holder, the metal is pressed from top to bottom by the clamp plate, for metal processing provides stable operational environment, and can freely adjust the metal position of different scope and can more be suitable for metal processing.

2. After the metal is fixed, the staff passes through the regulation of switch group, the motor three of metal processing platform both sides rotates, the output of motor three drives the five rotations of lead screw, both sides slider two receives the spacing effect of slide rail, consequently, slider two moves around along the five directions of lead screw under spacing effort, both sides slider two moves, drive the support and remove, just so provide more free processing scope for metal processing punches, alright in the processing can vertically adjust the punching position of metal processing, after vertical processing position is confirmed, the staff passes through the regulation of switch group, five rotations of motor drive lead screw, slider one moves about under the spacing effect of support, thereby the working range that metal processing punched is enlarged, also can the lateral adjustment metal processing in the processing, after the completion of preparation work, the staff passes through the regulation of switch group 4, two motors one 9 and motor four 16 simultaneously rotate, the output of motor one 9 at both ends all drives this end lead screw two 15 rotations, because both ends internal thread section of thick bamboo 17 all with supporting seat 20 fixed connection, there is spacing effect to section of thick bamboo 17, the support seat 20 is to thread section of thick bamboo 17, the drilling head is driven down in a movement of a thread 17 simultaneously, the drilling bit 6 is driven down in a rotation of the bit is realized simultaneously, the drilling position is realized simultaneously, the drilling hole is realized simultaneously by the bit is more steadily moving down in a bit 6 under the spacing effect, the drilling hole is realized and the drilling the demand is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model at B;

fig. 3 is a schematic plan view of the connection between the second screw rod and the internal thread cylinder.

In the figure: the device comprises a waste baffle handle, a waste baffle 2, a metal processing table 3, a control switch group 4, a metal clamping mechanism 5, a lower clamping plate 51, a screw rod three, an upper clamping plate 53, a cross knob 54, a punching drill bit 6, a connector 7, a bracket 8, a motor one, a transverse adjustment mechanism 10, a slide block one, a screw rod four 102, a motor five 103, a motor two 11, a drilling backing plate 12, a longitudinal adjustment mechanism 13, a slide block two 131, a slide rail 132, a screw rod five 133, a screw rod one 14, a screw rod two 15, a motor four 16, an internal thread cylinder 17, a support plate 18, a motor three 19 and a bottom support seat 20.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a perforating device for metal processing comprises a metal processing table 3, a metal clamping mechanism 5 and a longitudinal adjusting mechanism 13;

Metal working table 3: the inner bottom end of the metal processing table is provided with an inclined plane, the right side surface of the metal processing table 3 is provided with a control switch group 4, the input end of the control switch group 4 is electrically connected with an external power supply, the waste baffle plate 2 is slidably connected to a waste outlet at the front end of the metal processing table 3, the upper end of the front side surface of the waste baffle plate 2 is provided with a waste baffle plate handle 1, and a motor II 11 is fixedly arranged at the upper end of the rear surface of the metal processing table 3;

Metal clamping mechanism 5: the metal clamping mechanism 5 comprises two lower clamping plates 51, three screw rods 52, an upper clamping plate 53 and a cross knob 54, wherein the two lower clamping plates 51 are fixedly connected to the front side of the upper surface of the metal processing table 3, the lower clamping plates 51 on the front side are slidably connected to sliding grooves formed in the rear end of the upper surface of the metal processing table 3, the three screw rods 52 are rotatably connected to the left side and the right side of the upper end of the lower clamping plates 51, the upper ends of the three screw rods 52 positioned on the same lower clamping plate 51 are in threaded connection with the upper end of one upper clamping plate 53, the cross knob 54 is fixedly connected to the upper ends of the three screw rods 52, when metal is placed between the metal clamping mechanisms 5 on the front end and the rear end of the metal processing table 3, and the two ends of the metal are respectively positioned between the upper clamping plates 53 and the lower clamping plates 51 on the two sides of the metal processing table 3, the staff rotates the cross screw plate 54 on both sides of the upper surface of the upper clamping plate 53 at the same time, because the upper clamping plate 53 is in threaded connection with the screw rod three 52 at the left and right ends, the screw rod three 52 is in rotary connection with the lower clamping plate 51, the upper clamping plate 53 moves up and down along the screw rod three 52 under the limit action of the screw rod three 52 to the upper clamping plate 53, metal is clamped between the upper clamping plate 53 and the lower clamping plate 51 through the downward movement of the upper clamping plate 53, a stable working environment is provided for metal processing in this way, the output end of the motor two 11 is fixedly connected with the rear end of the screw rod one 14, the middle part of the screw rod one 14 is in threaded connection with a sliding block, the upper end of the sliding block is fixedly connected with the bottom end of the lower clamping plate 51 at the rear side, the input end of the motor two 11 is electrically connected with the output end of the control switch group 4, the staff rotates through the adjustment of the control switch group 4 before metal punching, the output end of the motor two 11 rotates to drive the screw rod one 14, the sliding block moves back and forth under the limit action of the sliding groove on the rotation of the sliding block, and drives the metal clamping mechanism 5 to move back and forth, so that metal placing positions in different ranges can be freely adjusted, and more metals can be processed;

Longitudinal adjustment mechanism 13: the two sliding blocks 131 are fixedly connected with the bottom end of the bracket 8, the inner parts of the sliding blocks 132 are respectively and slidably connected with the screw five 133, the sliding blocks 131 positioned in the same sliding rail 132 are in threaded connection with the screw five 133, the rear surface of the sliding rail 132 is fixedly connected with the motor three 19, the output end of the motor three 19 is fixedly connected with the rear end of the screw five 133 longitudinally adjacent to the motor three 19, the input end of the motor three 19 is electrically connected with the output end of the control switch group 4, the drilling pad 12 is fixedly connected between the two sliding blocks 131, the drilling pad 12 corresponds to the upper and lower positions of the drilling bit 6, after metal is fixed, a worker rotates through the adjustment of the switch group 4 through the motor three 3 at the two sides of the metal processing table 3, the output end of the motor three 3 drives the screw five 133 to rotate, the two sliding blocks 131 at the two sides are subjected to the limit function of the sliding block 132, and therefore the two sliding blocks 131 can move along the five directions under the limit action of the sliding block 132, the two sliding blocks can move along the five directions, the front and the position of the bracket 8 can be freely adjusted to machine the metal, and the metal can be freely processed by punching;

Wherein: the upper end of the bracket 8 is provided with a transverse adjusting mechanism 10, the lower end of the transverse adjusting mechanism 10 is provided with a supporting plate 18, the left side and the right side of the upper end of the supporting plate 18 are respectively provided with a first motor 9, the output shaft of the first motor 9 is rotationally connected with the supporting plate 18, the lower end of the output shaft of the first motor 9 is provided with a second screw rod 15, the bottom ends of the second screw rods 15 are respectively and spirally connected with an internal thread cylinder 17, the bottom ends of the two internal thread cylinders 17 are fixedly connected with the upper surface of a bottom bracket 20, the middle part of the upper end of the bottom bracket 20 is provided with a fourth motor 16, the output shaft of the fourth motor 16 is rotationally connected with the middle part of the bottom bracket 20, the lower end of the output shaft of the fourth motor 16 is provided with a connector 7, the bottom ends of the connector 7 are electrically connected with a punching drill bit 6 through bolts, the input ends of the first motor 9 and the fourth motor 16 are electrically connected with the output ends of a control switch group 4, the transverse adjusting mechanism 10 comprises a first slider 101, a fourth screw rod 102 and a fifth motor 103, the guide rails are arranged on two sides of the inner wall of the upper end of the bracket 8, the screw rod IV 102 is rotationally connected to the inside of the bracket 8, the first block 101 is slidingly connected between the two guide rails, the motor V103 is fixedly connected to the upper end of the right surface of the bracket 8, the output end of the motor V103 is fixedly connected with the right end of the screw rod IV 102, the first block 101 is in threaded connection with the screw rod IV 102, the input end of the motor V103 is electrically connected with the output end of the control switch group 4, after the longitudinal machining position is determined, a worker adjusts the switch group 4, the motor V103 rotates, the output end of the motor V103 rotates to drive the screw rod IV 102 to rotate, the first block 101 moves left and right under the limiting effect of the bracket 8, thus enlarging the working range of metal machining and transversely adjusting the punching position of metal machining in machining, the two motors one 9 and four motors 16 rotate simultaneously, the output ends of the motors one 9 at two ends drive the end screw rod two 15 to rotate, and as the inner thread barrels 17 at two ends are fixedly connected with the supporting seat 20, the supporting seat 20 has a limiting effect on the thread barrels 17, the thread barrels 17 move up and down along the end screw rod two 15 under the limiting effect, meanwhile, the punching drill bit 6 is driven to move up and down, the output ends of the motors four 16 drive the connector 7 to rotate, the connector 7 drives the punching drill bit 6 to rotate, punching is completed, the punching drill bit 6 moves downwards while rotating, and thicker metal can be penetrated during punching.

The working principle of the punching device for metal processing provided by the utility model is as follows: before punching the metal, a worker rotates the motor II 11 through the adjustment of the control switch group 4, the output end of the motor II 11 rotates to drive the screw rod I14 to rotate, thereby providing the metal placement position capable of freely adjusting different ranges, more metal can be processed, when the metal is placed between the two lower clamping plates 51 at the front end and the rear end of the metal processing table 3, and the two ends of the metal are respectively positioned between the upper clamping plate 53 and the lower clamping plate 51 at the two sides of the metal processing table 3, the worker simultaneously rotates the cross screwing plates 54 at the two sides of the upper surface of the upper clamping plate 53 in the same amplitude, because the upper clamping plate 53 is in threaded connection with the screw rod III 52 at the left end and the right end, the screw rod III 52 is in rotary connection with the upper end of the lower clamping plate 51, the upper clamping plate 53 moves up and down along the screw rod III 52 under the limit action of the screw rod III 52, the metal is clamped between the upper clamping plate 53 and the lower clamping plate 51 through the downward movement of the upper clamping plate 53, in this way, a stable working environment is provided for metal processing, after metal is fixed, workers can adjust the punching position of the metal processing longitudinally through the adjustment of the switch group 4, the motor III 19 on two sides of the metal processing table 3 rotates, the output end of the motor III 19 drives the screw rod five 133 to rotate, the two side sliding blocks 131 are limited by the sliding rail 132, therefore, the two side sliding blocks 131 move back and forth along the direction of the screw rod five 133 under the limiting acting force, the two side sliding blocks 131 move to drive the bracket 8 to move, thus providing a more free processing range for metal processing punching, the punching position of the metal processing can be adjusted longitudinally in processing, after the longitudinal processing position is determined, the workers can rotate through the adjustment of the switch group 4, the motor five 103 rotates, the output end of the motor five 103 rotates to drive the screw rod four 102 to rotate, the first sliding block 101 moves left and right under the limiting action of the bracket 8, the working range of metal processing punching is expanded, metal processing punching position can be transversely adjusted in processing, after preparation work is finished, the staff simultaneously rotates through the adjustment of the switch group 4, two motors I9 and four motors 16, the output ends of the motors I9 at two ends drive the end screw rod II 15 to rotate, because the internal thread barrels 17 at two ends are fixedly connected with the supporting seat 20, the supporting seat 20 has a limiting effect on the thread barrels 17, the thread barrels 17 do up-and-down motion along the end screw rod II 15 under the limiting effect, simultaneously, the punching drill bit 6 is driven to move up and down, the output end of the motor IV 16 drives the connector 7 to rotate, the connector 7 drives the punching drill bit 6 to rotate, punching is finished, the punching drill bit 6 moves downwards while rotating, thicker metal can be penetrated during punching, a waste bin is arranged in the middle of the metal processing table 3, waste falls into the inclined plane of the metal table while punching, the waste falls down from top down, after the punching is finished, the staff pulls the waste baffle plate handle 1 upwards, and the waste material baffle plate 2 slides upwards and falls out of the inclined plane uniformly to collect.

It should be noted that, in the above embodiment, the second motor 11, the first motor 9, the fourth motor 16 and the third motor 19 may be 5RK60A-AW2L2, the third motor 19 may be 113ZYT220-150-1900, and the control switch group 11 is provided with control buttons corresponding to the second motor 11, the first motor 9, the fourth motor 16, the third motor 19 and the third motor 19 one by one and used for controlling the switches thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A perforating device for metalworking, its characterized in that: comprises a metal processing table (3), a metal clamping mechanism (5) and a longitudinal adjusting mechanism (13);

Metal working table (3): the bottom end of the inside of the metal processing table is provided with an inclined plane, the right side surface of the metal processing table (3) is provided with a control switch group (4), and the input end of the control switch group (4) is electrically connected with an external power supply;

Metal clamping mechanism (5): the front and rear sides of the upper surface of the metal processing table (3) are fixedly connected with the front and rear sides of the upper surface of the metal processing table;

Longitudinal adjustment mechanism (13): the device is fixedly connected to the left side and the right side of the upper surface of the metal processing table (3), and the upper end of the longitudinal adjusting mechanism (13) is fixedly connected with a bracket (8);

Wherein: the upper end of support (8) is equipped with transverse adjustment mechanism (10), the lower extreme of transverse adjustment mechanism (10) is equipped with backup pad (18), the upper end left and right sides of backup pad (18) is equipped with motor one (9) respectively, the output shaft of motor one (9) all rotates with backup pad (18) to be connected, the output shaft lower extreme of motor one (9) all is equipped with lead screw two (15), the equal threaded connection of bottom of lead screw two (15) has internal thread section of thick bamboo (17), the bottom of two internal thread section of thick bamboo (17) all is connected with the upper surface fixed of bottom support seat (20), the upper end middle part of bottom support seat (20) is equipped with motor four (16), the output shaft of motor four (16) rotates with the middle part of bottom support seat (20) to be connected, the output shaft lower extreme of motor four (16) is equipped with connector (7), the bottom of connector (7) is through bolted connection drill bit (6), the output of the equal electricity connection control switch group (4) of the input of motor one (9) and motor four (16).

2. The punching device for metal processing according to claim 1, characterized in that: the metal clamping mechanism (5) comprises a lower clamping plate (51), a screw rod III (52), an upper clamping plate (53) and a cross knob (54), wherein the number of the lower clamping plates (51) is two, the lower clamping plate (51) at the front side is fixedly connected to the front side of the upper surface of the metal processing table (3), the lower clamping plate (51) at the rear side is slidably connected into a sliding groove formed in the rear end of the upper surface of the metal processing table (3), the screw rod III (52) is rotationally connected to the left side and the right side of the upper end of the lower clamping plate (51), the upper end of the screw rod III (52) on the same lower clamping plate (51) is in threaded connection with the upper end of one upper clamping plate (53), and the cross knob (54) is fixedly connected to the upper end of the screw rod III (52).

3. The punching device for metal processing according to claim 1, characterized in that: the vertical guiding mechanism (13) comprises a second sliding block (131), a sliding rail (132) and a fifth screw rod (133), the sliding rails (132) are respectively fixedly connected to the left side and the right side of the upper surface of the metal processing table (3), the second sliding block (131) is respectively and slidably connected to the inside of the sliding rail (132), the second sliding blocks (131) are fixedly connected with the bottom end of the support (8), the fifth screw rod (133) is rotationally connected to the inside of the sliding rail (132), the second sliding block (131) located in the same sliding rail (132) is in threaded connection with the fifth screw rod (133), the third motor (19) is fixedly connected to the rear surface of the sliding rail (132), and the output end of the third motor (19) is fixedly connected with the rear end of the fifth screw rod (133) longitudinally adjacent to the rear end of the fifth screw rod (19), and the input end of the third motor (19) is electrically connected with the output end of the control switch group (4).

4. The punching device for metal processing according to claim 1, characterized in that: the transverse adjusting mechanism (10) comprises a first sliding block (101), a fourth screw rod (102) and a fifth motor (103), guide rails are arranged on two sides of the inner wall of the upper end of the support (8), the fourth screw rod (102) is rotationally connected to the inside of the support (8), a first block (101) is slidably connected between the two guide rails, the fifth motor (103) is fixedly connected to the upper end of the right surface of the support (8), the output end of the fifth motor (103) is fixedly connected with the right end of the fourth screw rod (102), the first sliding block (101) is in threaded connection with the fourth screw rod (102), and the input end of the fifth motor (103) is electrically connected with the output end of the control switch group (4).

5. A metal working punch apparatus as claimed in claim 3, wherein: the drilling device further comprises a drilling base plate (12), the drilling base plate (12) is fixedly connected between the two sliding blocks (131), and the drilling base plate (12) corresponds to the upper and lower positions of the perforating bit (6).

6. The punching device for metal processing according to claim 1, characterized in that: still include waste material baffle (2), waste material baffle (2) sliding connection is in the waste material exit of metalworking platform (3) front end, and the leading flank upper end of waste material baffle (2) is equipped with waste material baffle handle (1).

7. A metal working punch apparatus as claimed in claim 2, wherein: still include motor two (11), motor two (11) fixed mounting is in the rear surface upper end of metalworking platform (3), and the output of motor two (11) is fixed connection with the rear end of lead screw one (14), and the middle part threaded connection of lead screw one (14) has the slider, and the upper end of slider and the lower plate (51) bottom fixed connection of rear side, the input of motor two (11) are connected with the output electricity of control switch group (4).