CN208374439U - A kind of automatic tin solder inductance coil clamping device - Google Patents

Abstract

The utility model discloses a kind of automatic tin solder inductance coil clamping devices；Belong to inductance coil technical field；Technical points include pedestal, and pedestal is equipped with bracket, and shield is equipped on bracket, are equipped with radiator fan in shield inner top, the outer top of the corresponding shield of radiator fan air outlet is equipped with positioning sleeve, and external guide duct is set on positioning sleeve；It is equipped with crane in shield, two opposite rotating seats are equipped on crane, the fixed fixture to the solder reduction circle is equipped between rotating seat, the rotating seat is connected with rotary drive mechanism；It is equipped on the bracket of shield side and moves horizontally plate, moved horizontally plate and be connected with horizontal drive mechanism；It is connect by lift drive mechanism with crane moving horizontally plate；Pedestal is connected with mounting rack, and controlling terminal is equipped on mounting rack；The utility model is intended to provide a kind of good automatic tin solder inductance coil clamping device of compact-sized, easy to operate and using effect；For inductance coil scolding tin.

Description

A kind of automatic tin solder inductance coil clamping device

Technical field

The utility model relates to a kind of inductance coil clamping devices, and more specifically more particularly to a kind of automatic tin soldering is set Spare inductance coil clamping device.

Background technique

Coil is to be wound on insulation tube by the circle of conducting wire one by a circle, and conducting wire insulate each other, and insulation tube can be Hollow, it also may include iron core or powder core.Inductance coil is the device to be worked using the principle of electromagnetic induction, wide It is applied in various circuit systems generally, is the important electronic component in circuit system.

In inductance coil production process, need to carry out soldering operation to inductance coil pin, Normal practice is by artificial Scolding tin is carried out manually, and this mode haves the shortcomings that working efficiency is low, labor intensity of workers is big.And when scolding tin, tin furnace temperature compared with There is security risk, also, manual hand manipulation in height, worker, product quality is completely dependent on operator's in operation Technical level, it cannot be guaranteed that the quality of product increases being produced into for product so that product qualification rate can not be promoted effectively indirectly This.

Utility model content

The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of compact-sized, easy to operate And using effect good automatic tin solder inductance coil clamping device.

The technical solution of the utility model is achieved in that a kind of automatic tin solder inductance coil clamping device, Including pedestal, the pedestal is equipped with bracket, and shield is equipped on bracket, is equipped with radiator fan, radiation air in shield inner top It is fanned out to the outer top of the corresponding shield in air port and is equipped with positioning sleeve, external guide duct is set on positioning sleeve；

It is equipped with crane in shield, two opposite rotating seats are equipped on crane, is equipped between rotating seat solid The fixed fixture to the solder reduction circle, the rotating seat are connected with rotary drive mechanism；Fixed base frame of the fixture by strip, edge Fixed base frame length direction fixed base frame both ends are set and matched with rotating seat linking arm, along fixed base frame length direction The installing blind of bottom in the accommodation groove of setting, accommodation groove uniformly at intervals, be arranged in a one-to-one correspondence in each installing blind One permanent magnet and the limit parting bead being arranged between two neighboring first permanent magnet composition；

It is equipped on the bracket of shield side and moves horizontally plate, moved horizontally plate and be connected with horizontal drive mechanism；In level Movable plate is connect by lift drive mechanism with crane；

The pedestal is connected with mounting rack, and controlling terminal, the rotary drive mechanism, horizontal drive are equipped on mounting rack Mechanism and lift drive mechanism are respectively connected with the control terminal.

A kind of above-mentioned automatic tin solder is in inductance coil clamping device, and the rotating seat is by horizontally disposed first Shaft and be fixed on first rotating shaft wherein one end attachment base composition；Connection breach are equipped on attachment base, in connection breach Bottom is equipped with mounting groove, and the second permanent magnet is bonded in mounting groove, thickness 0.4-0.8mm is covered on connection breach inner wall Cushion gum layer；The linking arm at the fixture both ends is absorbed and fixed in corresponding connection breach.

A kind of above-mentioned automatic tin solder in inductance coil clamping device, the rotary drive mechanism by respectively with rotation The driven pulley of swivel base connection, by bearing and crane universal driving shaft connected horizontally, wherein one end is connect with universal driving shaft Rotating servo motor, be arranged on universal driving shaft and with the one-to-one drive pulley of two driven pulleies, be connected to it is corresponding Drive pulley and driven pulley between linkage belt and with each adaptive strainer group for being in contact of linkage belt At；Rotating servo motor and controlling terminal circuit connection.

A kind of above-mentioned automatic tin solder is in inductance coil clamping device, and the adaptive strainer by setting respectively The guiding setting the slide on crane and shield at left and right sides of linkage belt, being arranged in slide along slide length direction Slot, the second shaft being erected between two opposite slides are arranged in the second shaft and are in contact with linkage belt outer wall Contact roller, the second both ends of the shaft is set and is connected one to one with guide groove bearing, be arranged far from contact roller one end Guide groove inner wall on connection ring and be connected between corresponding connection ring and bearing outer ring tensioning spring composition；Contact roller Linkage belt is adjacent under the tension force effect of tensioning spring.

A kind of above-mentioned automatic tin solder is in inductance coil clamping device, and the slide is by mutually matched upper pedestal It is constituted with lower base, upper pedestal and lower base are fixed by screws；Guide groove shape with upper pedestal and lower base At.

A kind of above-mentioned automatic tin solder is matched in inductance coil clamping device, the crane is equipped with slide The mounting groove of conjunction, slide are arranged in mounting groove and are fixed by screws；The shield outer wall is equipped with and corresponding cunning The corresponding mounting base of seat, slide are fixed by screws in mounting base, and the elongated resigning matched with slide is equipped on shield Hole, the width of the elongated relief hole are greater than the outer diameter of bearing.

A kind of above-mentioned automatic tin solder is in inductance coil clamping device, and the horizontal drive mechanism along level by moving Guide rail that movable plate width direction is arranged at intervals on the bracket for moving horizontally board bottom portion is arranged vertically at and moves horizontally plate Limit installation plate on the bracket in outside and it is arranged horizontally at the second horizontal drive cylinder composition being mounted on plate； Move horizontally plate and be flexibly connected with guide rail by sliding block, the second horizontal drive free end of cylinder piston rod pass through limit installation plate and Move horizontally plate connection；The second horizontal drive cylinder is connect with controlling terminal.

For a kind of above-mentioned automatic tin solder in inductance coil clamping device, the lift drive mechanism includes along vertical Direction is arranged in the guide upright post for moving horizontally plate both sides, the lifting seat that activity is threaded through on two guide upright posts, is erected at two The mounting plate of a guide upright post upper end, is arranged the lift servo motor being arranged vertically on mounting plate along the vertical direction And be threadedly coupled with lifting seat screw rod, be arranged horizontally on lifting seat and what is connect with crane second horizontal hangs Arm, the sensor block being arranged on lifting seat are arranged the inductive switch matched on a mounting board with sensor block, are arranged in crane On locating rod, be arranged in locating rod lower end close end positioning blob of viscose and activity be threaded through positioning blob of viscose on lower limit probe； The lift servo motor, inductive switch and lower limit probe are respectively connected with the control terminal；The screw rod upper end and lift servo Motor power exports axis connection linkage, and lower end is flexibly connected by bearing with plate is moved horizontally；It is equipped with and the second water on shield Flat cantilever resigning long hole matched one by one.

The utility model after adopting the above structure, first by crane with move horizontally plate and horizontal drive mechanism is matched It closes, realizes moving horizontally for rotating seat, operator is facilitated to replace fixture, meanwhile, rotating seat and fixture cooperate, and realize fixture Fast assembling-disassembling after fixture is fixed, leads to lift drive mechanism control, declines fixture, coil pin uniformly immerses solder furnace Realize the unified scolding tin of each coil on fixture, primary to weld multiple coils simultaneously, not only work efficiency is high, but also quality is unified, produces Product qualification rate gets a promotion.

Detailed description of the invention

The utility model is described in further detail for embodiment in reference to the accompanying drawing, but does not constitute to this reality With novel any restrictions.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic cross-sectional view in Fig. 1 at A-A；

Fig. 3 is the structural schematic diagram of the utility model rotary drive mechanism；

Fig. 4 is the partial enlargement diagram in Fig. 1 at B；

Fig. 5 is the partial enlargement diagram in Fig. 1 at C；

Fig. 6 is the partial enlargement diagram in Fig. 1 at D.

In figure: pedestal 1, shield 1b, mounting rack 1c, controlling terminal 1d, mounting base 1e, elongated relief hole 1f, dissipates bracket 1a Hot-air fan 2, positioning sleeve 2a, crane 3, mounting groove 3a, rotating seat 4, first rotating shaft 4a, attachment base 4b, connection breach 4c, second Permanent magnet 4d, cushion gum layer 4e, fixture 5, fixed base frame 5a, linking arm 5b, accommodation groove 5c, installing blind 5d, the first permanent magnet 5e, limit parting bead 5f, rotary drive mechanism 6, driven pulley 6a, universal driving shaft 6b, rotating servo motor 6c, drive pulley 6d, linkage belt 6e, adaptive strainer 6f, slide 6g, guide groove 6h, the second shaft 6i, contact roller 6j, bearing 6k, connect Ring 6l is met, tensioning spring 6m, upper pedestal 6n, lower base 6o, plate 7 is moved horizontally, horizontal drive mechanism 8, guide rail 8a, is mounted Plate 8b, the second horizontal drive cylinder 8c, lift drive mechanism 9, guide upright post 9a, lifting seat 9b, mounting plate 9c, lift servo electricity Machine 9d, screw rod 9e, the second horizontal boom 9f, sensor block 9g, inductive switch 9h, locating rod 9i, positioning blob of viscose 9j, lower limit probe 9k, resigning long hole 9l.

Specific embodiment

Referring to FIG. 1 to 6, a kind of automatic tin solder inductance coil clamping device of the utility model, including Pedestal 1, which is characterized in that the pedestal 1 is equipped with bracket 1a, and shield 1b is equipped on bracket 1a, is set in shield 1b inner top There is radiator fan 2, the outer top the corresponding shield 1b of 2 air outlet of radiator fan is equipped with positioning sleeve 2a, and external guide duct is set in fixed On the set 2a of position.It is equipped with crane 3 in shield 1b, two opposite rotating seats 4 are equipped on crane 3.

The fixed fixture 5 to the solder reduction circle is equipped between rotating seat 4, the rotating seat 4 is connected with rotary drive mechanism 6；The fixture 5 by strip fixed base frame 5a, along fixed base frame 5a length direction setting the both ends fixed base frame 5a and with Linking arm 5b, accommodation groove 5c, the accommodation groove 5c uniformly at intervals being arranged along fixed base frame 5a length direction that rotating seat 4 matches The installing blind 5d of interior bottom, the first permanent magnet 5e being arranged in a one-to-one correspondence in each installing blind 5d and setting are two neighboring Limit parting bead 5f composition between first permanent magnet 5e.Coil is absorbed and fixed between two adjacent limit parting beads, pin court Outside.Using the fixture of this structure, the scolding tin of a winding displacement circle can be once completed.After being soldered a row, removed together with fixture, Another fixture for assembling coil is changed, equipment repeats scolding tin work, working efficiency can be made to significantly improve in this way.Operator What member to be done is exactly coil to be assembled on fixture to carry out scolding tin and take out the complete coil of scolding tin and be sent into subsequent processing.

Specifically, the rotating seat 4 by horizontally disposed first rotating shaft 4a and is fixed on the wherein one end first rotating shaft 4a Attachment base 4b composition；Connection breach 4c is equipped on attachment base 4b, bottom is equipped with mounting groove in connection breach 4c, in mounting groove It is inside bonded with the second permanent magnet 4d, the cushion gum layer 4e of thickness 0.4-0.8mm is covered on connection breach 4c inner wall.The folder The linking arm for having 5 both ends is absorbed and fixed in corresponding connection breach 4c.Linking arm can be metal structure or outer gold filled Belong to layer, magnet can also be embedded on the connecting arm.The application is by the way of embedded magnet.

In the present embodiment, the rotary drive mechanism 6 by connect respectively with rotating seat 4 driven pulley 6a, pass through Bearing exists with the universal driving shaft 6b connected horizontally of crane 3, with the universal driving shaft 6b rotating servo motor 6c that wherein one end is connect, setting On universal driving shaft 6b and with the one-to-one drive pulley 6d of two driven pulley 6a, be connected to corresponding drive pulley 6d Linkage belt 6e between driven pulley 6a and the adaptive strainer 6f being in contact with each linkage belt 6e composition；Rotation Turn servo motor 6c and controlling terminal 1d circuit connection.When work, rotating servo motor rotates angle by pre-set programs, facilitates behaviour Make personnel's remover-and-replacer.Specifically, in assembly, rotary drive mechanism rotates rotating seat to installation gap and operator's phase Pair position, after the assembly is completed, then rotating seat rotated to the position opposite with solder furnace.

Preferably, the adaptive strainer 6f by be separately positioned on linkage belt 6e at left and right sides of 3 He of crane Slide 6g on shield 1b, the guide groove 6h being arranged in slide 6g along slide 6g length direction, two opposite cunnings are erected at Seat 6g between the second shaft 6i, be arranged on the second shaft 6i and with linkage belt 6e outer wall be in contact contact roller 6j, set Set the second both ends shaft 6i and connect one to one with guide groove 6h bearing 6k, be arranged far from leading for the one end contact roller 6j Connection ring 6l on slot 6h inner wall and the tensioning spring 6m being connected between corresponding connection ring 6l and the outer ring bearing 6k composition； Contact roller 6j is adjacent to linkage belt 6e under the tension force effect of tensioning spring 6m.

Preferably, the slide 6g is made of mutually matched upper pedestal 6n and lower base 6o, upper pedestal 6n and lower base 6o is fixed by screws；The guide groove 6h is cooperatively formed by upper pedestal 6n and lower base 6o.By using upper pedestal and The structure of lower base, can facilitate the installation and fractionation of slide, and then the connection ring being arranged in guide groove and tensioning spring is made to exist It is readily replaceable when damage.

It is equipped on the bracket 1a of the side shield 1b and moves horizontally plate 7, moved horizontally plate 7 and be connected with horizontal drive mechanism 8； It is connect by lift drive mechanism 9 with crane 3 moving horizontally plate 7；The pedestal 1 is connected with mounting rack 1c, in mounting rack 1c is equipped with controlling terminal 1d, and the rotary drive mechanism 6, horizontal drive mechanism 8 and lift drive mechanism 9 are whole with control respectively Hold 1d connection.By the cooperation of lift drive mechanism and horizontal drive mechanism, it can make and move horizontally plate to pass through elevator drive machine The crane of structure connection realizes the movement in horizontal and vertical direction.

The crane 3 is equipped with the mounting groove 3a matched with slide 6g, and slide 6g is arranged in mounting groove 3a and leads to Screw is crossed to be fixedly connected；The shield 1b outer wall is equipped with mounting base 1e corresponding with corresponding slide 6g, and slide 6g passes through spiral shell Silk is fixed in mounting base 1e, and the elongated relief hole 1f, the elongated relief hole 1f matched with slide 6g is equipped on shield 1b Width be greater than bearing 6k outer diameter.

In the present embodiment, the horizontal drive mechanism 8 moves horizontally 7 width direction of plate by edge and is arranged at intervals on horizontal shifting Guide rail 8a on the bracket 1a of 7 bottom of movable plate, the limit peace being arranged vertically on the bracket 1a for moving horizontally 7 outside of plate Loading board 8b and the second horizontal drive cylinder 8c composition being arranged horizontally on limit installation plate 8b；It is logical to move horizontally plate 7 It crosses sliding block to be flexibly connected with guide rail 8a, the second horizontal drive cylinder 8c piston rod free end, which passes through, is mounted plate 8b and horizontal shifting Movable plate 7 connects；The second horizontal drive cylinder 8c is connect with controlling terminal 1d.

Specifically, the lift drive mechanism 9 includes being arranged vertically at the guide upright post for moving horizontally 7 both sides of plate 9a, the lifting seat 9b that activity is threaded through on two guide upright post 9a, the mounting plate 9c for being erected at two upper ends guide upright post 9a, edge Lift servo motor 9d that vertical direction is arranged on mounting plate 9c, along the vertical direction it is arranged and is threadedly coupled with lifting seat 9b Screw rod 9e, the second horizontal boom 9f for being arranged horizontally on lifting seat 9b and being connect with crane 3, it is arranged in lifting seat Sensor block 9g on 9b, the inductive switch 9h matched on mounting plate 9c with sensor block 9g is set, is arranged on crane 3 The lower limit that locating rod 9i, the positioning blob of viscose 9j that the lower end locating rod 9i close end is arranged in and activity are threaded through on positioning blob of viscose 9j is visited Needle 9k；The lift servo motor 9d, inductive switch 9h and lower limit probe 9k are connect with controlling terminal 1d respectively；The screw rod 9e Upper end and lift servo motor 9d power output axis connection link, and lower end is flexibly connected by bearing with plate 7 is moved horizontally.It is protecting 1b is covered to be equipped with and the second horizontal boom 9f resigning long hole 9l matched one by one.

In use, rotating seat is rotated to installation gap by rotary drive mechanism when needing to carry out scolding tin to coil The position opposite with operator, fixture is put into installation gap.After assembly, then by rotating seat rotate to solder furnace Then opposite position carries out the adjustment of horizontal position by horizontal drive mechanism to crane.After adjustment, then pass through liter The cooperation for dropping servo motor, screw rod and lifting seat, crane is declined, and is made a reservation for when lower limit probe in detecting to crane reaches When position, so that lift servo motor is shut down by controlling terminal, so that crane is stopped decline, make the coil pin on fixture It is unified to immerse solder furnace.After scolding tin, crane is risen by lift servo motor, while passing through rotary driving machine Rotating seat is rotated the position opposite with operator to installation gap by structure, and operator takes out the coil in fixture, again Change needs the coil of scolding tin.

Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and It is non-to impose any limitation on the present invention, any those of ordinary skill in the art, if not departing from In the range of the mentioned technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic In the range of.

Claims (8)

1. a kind of automatic tin solder inductance coil clamping device, including pedestal (1), which is characterized in that on the pedestal (1) Equipped with bracket (1a), it is equipped with shield (1b) on bracket (1a), is equipped with radiator fan (2) in shield (1b) inner top, radiation air Fanning the corresponding shield (1b) of (2) air outlet, top is equipped with positioning sleeve (2a) outside, and external guide duct is set on positioning sleeve (2a)；

Crane (3) are equipped in shield (1b), two opposite rotating seats (4) are equipped on crane (3), in rotating seat (4) the fixed fixture (5) to the solder reduction circle is equipped between, the rotating seat (4) is connected with rotary drive mechanism (6)；The folder Have (5) by strip fixed base frame (5a), along fixed base frame (5a) length direction setting the fixed base frame both ends (5a) and with Linking arm (5b) that rotating seat (4) matches, the accommodation groove (5c), uniformly at intervals along fixed base frame (5a) length direction setting The installing blind (5d) of the interior bottom accommodation groove (5c), the first permanent magnet (5e) being arranged in a one-to-one correspondence in each installing blind (5d) And limit parting bead (5f) composition being arranged between two neighboring first permanent magnet (5e)；

It is equipped on the bracket (1a) of the side shield (1b) and moves horizontally plate (7), moved horizontally plate (7) and be connected with horizontal drive machine Structure (8)；It is connect by lift drive mechanism (9) with crane (3) moving horizontally plate (7)；

The pedestal (1) is connected with mounting rack (1c), is equipped with controlling terminal (1d) on mounting rack (1c), the rotary driving machine Structure (6), horizontal drive mechanism (8) and lift drive mechanism (9) are connect with controlling terminal (1d) respectively.

2. a kind of automatic tin solder inductance coil clamping device according to claim 1, which is characterized in that the rotation Swivel base (4) is by horizontally disposed first rotating shaft (4a) and is fixed on the attachment base (4b) of first rotating shaft (4a) wherein one end and forms； It is equipped with connection breach (4c) on attachment base (4b), mounting groove is equipped in the interior bottom connection breach (4c), is bonded in mounting groove There is the second permanent magnet (4d), the cushion gum layer (4e) of thickness 0.4-0.8mm is covered on connection breach (4c) inner wall；The folder The linking arm at tool (5) both ends is absorbed and fixed in corresponding connection breach (4c).

3. a kind of automatic tin solder inductance coil clamping device according to claim 1 or 2, which is characterized in that institute State rotary drive mechanism (6) by connect respectively with rotating seat (4) driven pulley (6a), by bearing and crane (3) water The universal driving shaft (6b) of flushconnection, with universal driving shaft (6b) rotating servo motor (6c) that wherein one end is connect, be arranged in universal driving shaft On (6b) and with the one-to-one drive pulley (6d) of two driven pulleies (6a), be connected to corresponding drive pulley Linkage belt (6e) between (6d) and driven pulley (6a) and the adaptive tensioning device being in contact with each linkage belt (6e) Structure (6f) composition；Rotating servo motor (6c) and controlling terminal (1d) circuit connection.

4. a kind of automatic tin solder inductance coil clamping device according to claim 3, which is characterized in that it is described from Adapt to strainer (6f) by be separately positioned on linkage belt (6e) at left and right sides of crane (3) and shield (1b) on slide (6g), guide groove (6h) in slide (6g) is set along slide (6g) length direction, is erected at two opposite slides (6g) Between the second shaft (6i), be arranged on the second shaft (6i) and with the contact roller that is in contact of linkage belt (6e) outer wall (6j), setting the second shaft both ends (6i) and connect one to one with guide groove (6h) bearing (6k), be arranged far from pressure Connection ring (6l) on guide groove (6h) inner wall of the one end bearing up pulley (6j) and it is connected to corresponding connection ring (6l) and bearing (6k) Tensioning spring (6m) composition between outer ring；Contact roller (6j) is adjacent to linkage belt under the tension force effect of tensioning spring (6m) (6e)。

5. a kind of automatic tin solder inductance coil clamping device according to claim 4, which is characterized in that the cunning Seat (6g) is made of mutually matched upper pedestal (6n) and lower base (6o), and upper pedestal (6n) and lower base (6o) are solid by screw Fixed connection；The guide groove (6h) is cooperatively formed by upper pedestal (6n) and lower base (6o).

6. a kind of automatic tin solder inductance coil clamping device according to claim 4, which is characterized in that the liter Drop frame (3) is equipped with the mounting groove (3a) matched with slide (6g), and slide (6g) setting is in mounting groove (3a) and passes through spiral shell Silk is fixedly connected；Shield (1b) outer wall is equipped with mounting base (1e) corresponding with corresponding slide (6g), and slide (6g) is logical It crosses screw to be fixed in mounting base (1e), the elongated relief hole (1f) matched with slide (6g) is equipped on shield (1b), it should The width of elongated relief hole (1f) is greater than the outer diameter of bearing (6k).

7. a kind of automatic tin solder inductance coil clamping device according to claim 1, which is characterized in that the water Flat driving mechanism (8) moves horizontally plate (7) width direction by edge and is arranged at intervals on the bracket (1a) for moving horizontally plate (7) bottom Guide rail (8a), be arranged vertically at limit installation plate (8b) and the edge moved horizontally on the bracket on the outside of plate (7) (1a) It is horizontally arranged to be formed in the second horizontal drive cylinder (8c) being mounted on plate (8b)；It moves horizontally plate (7) and passes through cunning Block is flexibly connected with guide rail (8a), and the second horizontal drive cylinder (8c) piston rod free end, which passes through, is mounted plate (8b) and level Movable plate (7) connection；The second horizontal drive cylinder (8c) connect with controlling terminal (1d).

8. a kind of automatic tin solder inductance coil clamping device according to claim 1, which is characterized in that the liter Drop driving mechanism (9) include be arranged vertically at the guide upright post (9a) for moving horizontally plate (7) both sides, activity is threaded through two Lifting seat (9b) on a guide upright post (9a), the mounting plate (9c) for being erected at two guide upright post (9a) upper ends, along vertical side To lift servo motor (9d) on mounting plate (9c), along the vertical direction setting is arranged and is threadedly coupled with lifting seat (9b) Screw rod (9e), the second horizontal boom (9f) for being arranged horizontally on lifting seat (9b) and being connect with crane (3), setting In the inductive switch that the sensor block (9g) on lifting seat (9b), setting match on mounting plate (9c) with sensor block (9g) (9h), be arranged locating rod (9i) on crane (3), setting the lower end locating rod (9i) close end positioning blob of viscose (9j) and Activity is threaded through the lower limit probe (9k) in positioning blob of viscose (9j)；The lift servo motor (9d), inductive switch (9h) and under Limit probe (9k) is connect with controlling terminal (1d) respectively；The screw rod upper end (9e) and lift servo motor (9d) power output shaft Connection linkage, lower end are flexibly connected by bearing with plate (7) is moved horizontally；It is equipped with and the second horizontal boom on shield (1b) (9f) resigning long hole (9l) matched one by one.