CN104439558A - Multi-station tapping machine for filter threaded cover plate - Google Patents

Abstract

The invention provides a multi-station tapping machine for a filter threaded cover plate. A main motor is fixed to a top plate of a case. A drive shaft matched with the main motor is arranged on the lower side of the main motor. The drive shaft stretches into a gearbox. A gear train is arranged in the gearbox. The lower end of the drive shaft is connected with the initial end of the gear train. Screw taps are correspondingly and coaxially connected with the tail ends of the gear train. Loading barrels are arranged below the screw taps and provided with a plurality of positioning plates. A horizontal connecting plate is arranged in the case. A servo motor is fixed to the connecting plate and is in drive fit with a screw rod of a lifting lead screw. A nut of the lifting lead screw is fixedly connected to the gearbox. A first balance air cylinder and a stroke air cylinder are fixed to the top plate of the case and fixedly connected with the connecting plate. A second balance air cylinder is fixed to the connecting plate and fixedly connected with the gearbox. The multi-station tapping machine has the advantages that the size is small, weight is light, and the thread machining speed and efficiency of the filter threaded cover plate are high.

Description

Thread cover plate for cleaner multi-station tapper

Technical field

The present invention relates to a kind of thread processing equipment, particularly relate to a kind of thread cover plate for cleaner multi-station tapper.

Background technology

At present, the screw thread of processing thread cover plate for cleaner, general employing chain-type tapping machine, its structure is: trapezoidal screw feeding; Chain transmission mode, makes on loading cylinder ten pieces of location-plates slide on three guide pass; Each gear in gear-box along gear-box length direction rods arranged in horizontal line and engage successively, the spacing between the axis of adjacent two gears is less, and the modulus of each gear is less, the number of teeth is less.

This tapping machine is rational in infrastructure exists following defect:

1, the screw thread process speed of thread cover plate for cleaner is slow, working (machining) efficiency is lower;

2, gear-box does not have counterweight, screw pair quick abrasion;

3, lost labor, uses inconvenience, and the labour intensity of operative employee is larger;

4, the moment of torsion that each gear in gear-box transmits is less, and the tooth of each gear is stressed large, easy to wear, and the accuracy of screw machining of thread cover plate for cleaner is difficult to ensure;

5, thread plate falls down forward from location-plate, and cutting fluid is also splashed forward thereupon, the thread plate that not too convenient collection processes.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of thread cover plate for cleaner multi-station tapper, adopts this tapping machine, and the screw thread process speed of thread cover plate for cleaner is fast, working (machining) efficiency is higher.

For solving the problems of the technologies described above, the invention provides a kind of thread cover plate for cleaner multi-station tapper, comprise casing, mair motor, gear-box, several screw taps, loading cylinder, elevating screw and servomotor, gear-box, several screw taps, loading cylinder and elevating screw are arranged in casing;

Mair motor is fixed on the top board of casing, the output shaft of mair motor stretches in casing, the power transmission shaft with its spline fitted is had on the downside of the output shaft of mair motor, power transmission shaft stretches in gear-box, in gear-box, gear train is set, the lower end of power transmission shaft coaxially connects with the top of gear train, and the end of gear train is quantitatively identical with screw tap, and screw tap is corresponding respectively coaxially to connect with the end of gear train;

Being provided with loading cylinder on the downside of described screw tap, loading cylinder having for installing thread plate and some location-plates corresponding one by one respectively with each screw tap on position;

Be provided with the connecting plate of level between the top board of casing and gear-box, servomotor is fixed on connecting plate, and between the output shaft of servomotor and the screw rod of elevating screw, transmission coordinates, and the nut of elevating screw is fixedly connected on gear-box;

The top board of casing is fixed with respectively some first balance cylinders and some stroke cylinders, the piston-rod lower end of described first balance cylinder runs through casing top board and is fixedly connected with connecting plate, the piston-rod lower end of described stroke cylinder runs through casing top board and is fixedly connected with connecting plate, connecting plate is fixed with some second balance cylinders, the piston-rod lower end of described second balance cylinder runs through connecting plate and is fixedly connected with gear-box.

For can for the purpose of concise description problem, below to thread cover plate for cleaner multi-station tapper of the present invention all referred to as this tapping machine.

After adopting above technical scheme, piston rod because of each first balance cylinder runs through top board and connects with connecting plate, connecting plate is connected with gear-box by the second balance cylinder, power transmission shaft is driven to rotate after the output shaft of mair motor runs through top board, rotate with the top of gear train in power transmission shaft driven gear case, screw tap coaxially connects with the end of gear train respectively one by one, after some stroke cylinders start, lower connecting plate and gear-box is driven to move below at the piston rod of stroke cylinder, and then make screw tap fast feed to close loading cylinder position, recycling servomotor coordinates with elevating screw, driven gear case and screw tap move down, finally tapping operation is carried out to the thread plate to be processed on loading cylinder, after completing tapping operation, mair motor and servomotor reverse simultaneously, gear-box and screw tap move up, and progressively depart from thread plate, then stroke cylinder is started, stroke cylinder drives connecting plate, gear-box and screw tap move up, get back to initial position, circulation like this, can Continuous maching many groups thread plate,

In this process, ensure gear-box and screw tap entirety reposefully to lower feeding and upwards return at the first balance cylinder, the second balance cylinder and stroke cylinder, alleviate the vibrations of this tapping machine and reduce servomotor apolegamy power, alleviating stroke cylinder back pressure; And gear-box is in decline or uphill process, by the second balance cylinder as mass, synchronously corresponding counterweigh adjustment is carried out to gear-box, makes gear-box reach poised state all the time.Therefore compared with prior art, this tapping machine has that volume is little, lighter in weight, use very light and handy advantage.

Therefore, adopt this tapping machine, the screw thread process speed of thread cover plate for cleaner is fast, working (machining) efficiency is higher.

The cross sectional shape of the loading cylinder of this tapping machine is regular hexagon, and loading cylinder is connected with casing rotary type, and each stage casing, side of loading cylinder all has for installing thread plate and some location-plates corresponding one by one respectively with each screw tap on position;

Corresponding loading cylinder is provided with two groups of flattener modules, each flattener module comprises pressing cylinder, two support bars, gripper shoe and pressing plates, gripper shoe is arranged on the upside of casing top board, inverted pressing cylinder is fixing on the supporting plate, the piston rod flattening cylinder runs through gripper shoe and vertically points to casing top board, two support bars are vertically fixedly connected on the downside of gripper shoe, and described support bar runs through casing top board, connecting plate, gear-box successively, and the lower end of described support bar is fixedly connected with the pressing plate of level; The two ends of loading cylinder aimed at respectively by two pressing plates of two groups of flattener modules.

After adopting said structure, manually, pneumatic or electronic mode, loading cylinder is rotated around its axis, some thread plates (to form one group of thread plate of screw thread to be processed) are installed by corresponding location-plate in arbitrary upper side stage casing of loading cylinder, after the screw thread process on thread plate is good, loading cylinder is made to rotate around its axis again, the thread plate processed is allowed to be separated with loading cylinder first, second the another side of loading cylinder is made to become again horizontal upper face, some thread plates are placed by corresponding location-plate in this upper side stage casing, and so forth, this tapping machine is processed serially and is organized thread plate more, without the need to interval during this, supplement thread plate to be processed, further increase the efficiency of screw thread process, therefore, this tapping machine has to be saved manually, easy to use, the advantage that operative employee's labour intensity is less.

Before tapping operation, start two and flatten cylinders, two piston rods flattening cylinders are shunk, and flattener module moves down because of cylinder action, the pressing plate of two flattener modules downwards against on the horizontal upper face of loading cylinder, and then ensures that the upper side of loading cylinder is horizontal and can not rocks; After tapping operation completes, pressing cylinder can be started, the piston rod flattening cylinder extends, and be resisted against on casing top board, and then driving gripper shoe, support bar and pressing plate entirety to move up, pressing plate, away from loading cylinder, can not hinder loading cylinder to rotate, the support bar of flattener module can also play the effect that restriction connecting plate and gear-box pump, and avoids connecting plate and gear-box to operate the skew of rear position for a long time.

The gear train of this tapping machine comprises some end gears, some carrier gears, a top gear be in immediately below power transmission shaft, end gear and screw tap are quantitatively identical and the quantity setting end gear is N, N be not less than 3 integer, the quantity of carrier gear is N-2, some carrier gears, top gear arranges along the length direction in-line equi-spaced apart of gear-box, end gear arranges along the length direction in-line equi-spaced apart of gear-box, top gear is with on position and its two corresponding adjacent end gears meshing, each carrier gear is with on position and every two the adjacent end gears meshing of its corresponding residue,

Coaxially be connected between power transmission shaft with top gear, screw tap respectively one_to_one corresponding coaxially connects with end gear lower end.

After adopting above structure, spacing between the axis of adjacent two end gears is larger, in some carrier gears, top gear arbitrary neighborhood two gears axis between spacing larger, the modulus of each gear is comparatively large, the number of teeth is more, like this, the moment of torsion that each gear in gear-box transmits is comparatively large, and the tooth of each gear is stressed little, not easy to wear, and the accuracy of screw machining of thread cover plate for cleaner is easy to ensure.

Lower horizontal in described casing is provided with the conveyer belt be in below loading cylinder, and the width of conveyer belt is greater than the radical length of loading cylinder.

Like this, when loading cylinder rotates, the thread plate that location-plate processes can fall on the conveyor belt just, is easy to collect the thread plate processed easily, and the thread plate of collection transfers out outside this tapping machine by conveyer belt, is convenient to collect.

This tapping machine also can be used for the screw thread process (such as: for processing the screw thread of nut) of other component of machine.

Accompanying drawing explanation

Fig. 1 is the front view of this tapping machine.

Fig. 2 is the right view of this tapping machine.

Fig. 3 is the A direction view of Fig. 1.

Fig. 4 is the B direction view of Fig. 1.

Fig. 5 is the top view of this tapping machine.

Fig. 6 is B-B echelon sectional view of Fig. 5.

Fig. 7 is the structural representation of the gear-box of this tapping machine.

Detailed description of the invention

The present invention is further illustrated by embodiment below in conjunction with accompanying drawing.

See Fig. 1 to Fig. 5:

It should be noted that, eliminate on front side of casing 1 in Fig. 1, rear side, right side side plate, eliminate the side plate on front side of gear-box 3; The breadth specification of Fig. 3 has carried out suitable amplification, and loading cylinder 12 is according to rotating clockwise; Fig. 4 only have expressed the position relationship of the second balance cylinder 10, servomotor 7, driven wheel 7a, driven gear 7b and an elevating screw 8, eliminates the parts that other are relevant; Fig. 5 only have expressed four the first balance cylinders, 9, two the second balance cylinders, 10, two stroke cylinders 11 and two the pressing arrangement positions of cylinder 13a on top board 1a, eliminates the equipment such as mair motor 2, servomotor 7; Illustrate only a stroke cylinder 11, first balance cylinder 9, second balance cylinder 10, two in Fig. 6 and flatten cylinder 13a respectively and top board 1a, connecting plate 6, mated condition between gear-box 3, other relevant parts are omitted; The breadth specification of Fig. 7 has carried out suitable amplification, have expressed arrangement position and the engagement situation each other of six end gear 3c and power transmission shaft 4, four carrier gear 3b, a top gear 3a and the first output shaft in gear-box 3, and the nut 8b position of elevating screw 8.

The structure of this tapping machine is:

Casing 1 is square shell structure form, and the horizontal top 1a central area of casing 1 is vertically provided with inverted mair motor 2, and the output shaft of mair motor 2 is involute spline cover.

Top from top to down in casing 1 is provided with horizontal connecting plate 6, horizontally disposed gear-box 3, six vertical screw taps 5, loading cylinder 12, conveyer belts 14 successively, gap is left between connecting plate 6 and casing 1, be provided with gear train in gear-box 3, the end of gear train is quantitatively identical with screw tap 5.

The output shaft of mair motor 2 runs through top board 1a and connecting plate 6 coordinates with power transmission shaft 4 afterwards, power transmission shaft 4 is involute splined shaft, power transmission shaft 4 can slide up and down at the axis direction of the power shaft of mair motor 2, described in the stroke that is slidably matched be enough to make screw tap 5 complete tapping operation through thread plate.

Gear train in gear-box 3 comprises six end gear 3c, four carrier gear 3b, a top gear 3a be in immediately below mair motor 2 output shaft, four carrier gear 3b, top gear 3a is along the length direction in-line equi-spaced apart arrangement of gear-box 3 and the front side be in gear-box 3, end gear 3c arranges and the rear side be in gear-box 3 along the length direction in-line equi-spaced apart of gear-box 3, top gear 3a engages with its two corresponding adjacent end gear 3c with on position, each carrier gear 3b engages with every two the adjacent end gear 3c of its corresponding residue with on position, gear-box 3 front vertical is provided with the nut 8b of elevating screw 8, and gear-box 3 has the through hole of corresponding nut 8b.

Power transmission shaft 4 bottom to be stretched in gear-box 3 and is coaxially connected with between top gear 3a, and screw tap 5 coaxially connects with end gear 3c lower end respectively one by one.

Connecting plate 6 is also provided with fixed platform 6a, inverted servomotor 7 is arranged on the fixed platform 6a of connecting plate 6, coordinated by gear transmission structure transmission between servomotor 7 with elevating screw 8, gear transmission structure is arranged between fixed platform 6a and connecting plate 6, gear transmission structure comprises driven wheel 7a and driven gear 7b, the output shaft of servomotor 7 runs through fixed platform 6a, and the output shaft lower end of servomotor 7 and driven wheel 7a coaxially fix, connecting plate 6 is run through in the screw rod 8a upper end of elevating screw 8 from down, and itself and driven gear 7b coaxially fix, the screw rod 8a of elevating screw 8 vertically runs through connecting plate 6, bearing fit is passed through between screw rod 8a and connecting plate 6, screw rod 8a bottom coordinates with the nut 8b on gear-box 3.

All corresponding first balance cylinder 9 on each angle top board 1a of casing 1 being vertically provided with inversion first balance cylinder 9, top board 1a of four square arrangement, the piston rod of each first balance cylinder 9 runs through top board 1a and connects with connecting plate 6.

Inversion stroke cylinder 11, two the stroke cylinders 11 top board 1a of casing 1 being vertically provided with two lay respectively at the length direction both sides of casing 1 top board 1a and near mair motor 2, the piston rod of each stroke cylinder 11 runs through top board 1a and connects with connecting plate 6.

Connecting plate 6 is vertically provided with symmetrical in two inverted second balance cylinders 10 of mair motor 2 respectively, two the second balance cylinders 10 lay respectively at the length direction both sides of connecting plate 6, (height of the second balance cylinder 10 is greater than the height in gap between connecting plate 6 and casing 1 top board 1a, so the cylinder body of the second balance cylinder 10 wears top board 1a), connect with gear-box 3 after wearing connecting plate 6 under the piston rod of the second balance cylinder 10.

First balance cylinder 9 and the second balance cylinder 10 are all single-acting cylinder, first balance cylinder 9 acts on connecting plate 6, connecting plate 6 is made to be subject to the lasting castering action power of the first balance cylinder 9, also connecting plate 6 is made to keep balance, second balance cylinder 10 acts on gear-box 3, make gear-box 3 be subject to the lasting castering action power of the second balance cylinder 10, namely the second balance cylinder 10 acts on the ballast box replacing original gear-box 3.

Middle part level in casing 1 is provided with loading cylinder 12, the length of loading cylinder 12 and the length of top board 1a walk upwards consistent, the cross sectional shape of loading cylinder 12 is regular hexagon, the axial two ends of loading cylinder 12 are all connected with casing 1 (attached not shown described bearing) by bearing, loading cylinder 12 is connected with casing 1 rotary type, each stage casing, side of loading cylinder 12 all has for installing thread plate and six location-plate 12a corresponding one by one respectively with each screw tap 5 on position, in processing, the upper side that loading cylinder 12 is in level is scope of operation 12b, the side that loading cylinder 12 is about to be in horizontal plane along its direction of rotation is blowing face 12c.

Corresponding loading cylinder 12 is provided with two groups of flattener modules, each flattener module comprises pressing cylinder 13a, two support bar 13b, gripper shoe 13c and pressing plate 13d, gripper shoe 13c is in above casing 1 top board 1a, inverted pressing cylinder 13a is fixed on gripper shoe 13c, the piston rod flattening cylinder 13a runs through gripper shoe 13c, and the piston rod flattening cylinder 13a is resisted against casing 1 top board 1a surface, two of two groups of flattener modules flatten cylinder 13a lay respectively at top board 1a length direction both sides and away from mair motor 2, in other words, two flatten the outside that cylinder 13a lays respectively at two the second balance cylinders 10, two support bar 13b are vertically welded on the downside of gripper shoe 13c, two support bar 13b run through casing 1 top board 1a successively, connecting plate 6, gear-box 3, until near loading cylinder position, the lower end of two support bar 13b is fixedly connected with the pressing plate 13d of level, two pressing plate 13d of two groups of flattener modules aim at the two ends of loading cylinder 12 respectively.

When two piston rods that two flatten cylinder 13a shrink range displacement, two pressing plate 13d respectively with the contact in the horizontal upper face of loading cylinder 12, guarantee the job position of the upper side of loading cylinder 12 maintenance level in process.

Two flatten cylinder 13a, two the second balance cylinders, 10, two stroke cylinders 11 in the central area of top board 1a width, and the axis of described six cylinders is in same vertical plane.

Lower horizontal in casing 1 is provided with and is in oval shape below loading cylinder 12 around conveyer belt 14, and the width of conveyer belt 14 is greater than the radical length of loading cylinder 12, and conveyer belt 14 adopts steel wire net-belt.

The below of the inherent conveyer belt of casing 1 14 is also provided with the container (attached not shown described container) for splendid attire cutting fluid.

During use, start four the first balance cylinders 9 and two the second balance cylinders 10, connecting plate 6, gear-box 3, screw tap 5 are upwards promoted, away from loading cylinder 12, in this process, relative sliding between mair motor 2 output shaft and power transmission shaft 4, but ensure mair motor 2 output shaft and power transmission shaft 4 spline fitted;

The scope of operation 12b and blowing face 12c of loading cylinder 12 place thread plate to be processed, start two and flatten cylinder 13a, two piston rods flattening cylinder 13a are shunk, flattener module moves down because of cylinder action, the pressing plate 13d of two flattener modules is resisted against on the scope of operation 12b of loading cylinder 12, and then ensures that the scope of operation 12b of loading cylinder 12 is horizontal and can not rocks;

Start mair motor 2, the output shaft of mair motor 2 drives power transmission shaft 4 to rotate, and power transmission shaft 4 drives top gear 3a, carrier gear 3b and end gear 3c to rotate, and then drives screw tap 5 to rotate;

Start two stroke cylinders 11, two stroke cylinders 11 drive connecting plate 6, gear-box 3 and six screw taps 5 move down, until two stroke cylinders 11 move to maximum displacement place, now screw tap 5 is near thread plate to be processed, restart servomotor 7, servomotor 7 rotates, driven wheel 7a and driven gear 7b coordinates rotation, driven gear 7b then drives the screw rod 8a of elevating screw 8 to rotate, screw rod 8a coordinates with the nut 8b be positioned on gear-box 3, gear-box 3 can not rotate, resulting belt moving gear case 3 and six screw taps 5 move down, tapping operation is carried out to thread plate to be processed,

After tapping operation completes, mair motor 2 is reversed, and servomotor 7 is reversed simultaneously, screw tap 5 departs from the thread plate machined under the effect of servomotor 7, again start stroke cylinder 11, the piston rod of stroke cylinder 11 shrinks, stroke cylinder 11 drives connecting plate 6, gear-box 3 and screw tap 5 upwards, to initial position, mair motor 2 is out of service, and in whole process, the first balance cylinder 9 acts on connecting plate 6, second balance cylinder 10 acts on gear-box 3, jointly makes connecting plate 6, gear-box 3 and screw tap 5 keep balance;

Start and flatten cylinder 13a, the piston rod flattening cylinder 13a extends, and is resisted against on casing 1 top board 1a, and then drives gripper shoe 13c, support bar 13b and pressing plate 13d entirety to move up, and pressing plate 13d is away from loading cylinder 12; Rotate loading cylinder 12, the blowing face 12c being placed with thread plate to be processed is transformed into new scope of operation 12b, and produces new blowing face 12c, and new blowing face 12c is placed with thread plate to be processed, circulation like this, can complete the continuous tapping operation of many group thread plates.

The conveyer belt that the thread plate of the tapping end of job drops thereunder through the rotation of loading cylinder 12, thread plate transports outside this tapping machine by conveyer belt.

Completing aforesaid operations can also use the PLC control circuit of peripheral hardware to complete, and according to the position of gear-box during tapping 3, casing 1 is provided with the stroke sensor of monitoring gear-box 3 position, and make above-mentioned tapping Job Operations more convenient, efficiency also improves greatly.

Above-described is only one embodiment of the present invention; it should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention; can also make apparent some conversion or substitute and remodeling, these also should be considered as belonging to protection scope of the present invention.

Claims (4)

1. thread cover plate for cleaner multi-station tapper, comprises casing, mair motor, gear-box, several screw taps, loading cylinder, elevating screw and servomotor, and gear-box, several screw taps, loading cylinder and elevating screw are arranged in casing;

Mair motor is fixed on the top board of casing, the output shaft of mair motor stretches in casing, the power transmission shaft with its spline fitted is had on the downside of the output shaft of mair motor, power transmission shaft stretches in gear-box, in gear-box, gear train is set, the lower end of power transmission shaft coaxially connects with the top of gear train, and the end of gear train is quantitatively identical with screw tap, and screw tap is corresponding respectively coaxially to connect with the end of gear train;

Be provided with loading cylinder on the downside of described screw tap, loading cylinder have for installing thread plate and some location-plates corresponding one by one respectively with each screw tap on position, it is characterized in that:

Be provided with the connecting plate of level between the top board of casing and gear-box, servomotor is fixed on connecting plate, and between the output shaft of servomotor and the screw rod of elevating screw, transmission coordinates, and the nut of elevating screw is fixedly connected on gear-box;

The top board of casing is fixed with respectively some first balance cylinders and some stroke cylinders, the piston-rod lower end of described first balance cylinder runs through casing top board and is fixedly connected with connecting plate, the piston-rod lower end of described stroke cylinder runs through casing top board and is fixedly connected with connecting plate, connecting plate is fixed with some second balance cylinders, the piston-rod lower end of described second balance cylinder runs through connecting plate and is fixedly connected with gear-box.

2. thread cover plate for cleaner multi-station tapper according to claim 1, is characterized in that:

The cross sectional shape of described loading cylinder is regular hexagon, and loading cylinder is connected with casing rotary type, and each stage casing, side of loading cylinder all has for installing thread plate and some location-plates corresponding one by one respectively with each screw tap on position;

Corresponding loading cylinder is provided with two groups of flattener modules, each flattener module comprises pressing cylinder, two support bars, gripper shoe and pressing plates, gripper shoe is arranged on the upside of casing top board, inverted pressing cylinder is fixing on the supporting plate, the piston rod flattening cylinder runs through gripper shoe and vertically points to casing top board, two support bars are vertically fixedly connected on the downside of gripper shoe, and described support bar runs through casing top board, connecting plate, gear-box successively, and the lower end of described support bar is fixedly connected with the pressing plate of level; The two ends of loading cylinder aimed at respectively by two pressing plates of two groups of flattener modules.

3. thread cover plate for cleaner multi-station tapper according to claim 1, is characterized in that:

Described gear train comprises some end gears, some carrier gears, a top gear be in immediately below power transmission shaft, end gear and screw tap are quantitatively identical and the quantity setting end gear is N, N be not less than 3 integer, the quantity of carrier gear is N-2, some carrier gears, top gear arranges along the length direction in-line equi-spaced apart of gear-box, end gear arranges along the length direction in-line equi-spaced apart of gear-box, top gear is with on position and its two corresponding adjacent end gears meshing, each carrier gear is with on position and every two the adjacent end gears meshing of its corresponding residue,

Coaxially be connected between power transmission shaft with top gear, screw tap respectively one_to_one corresponding coaxially connects with end gear lower end.

4., according to the thread cover plate for cleaner multi-station tapper described in claim 1, it is characterized in that:

Lower horizontal in described casing is provided with the conveyer belt be in below loading cylinder, and the width of conveyer belt is greater than the radical length of loading cylinder.