CN109605566B - Follow-up efficient die spotting machine - Google Patents
Follow-up efficient die spotting machine Download PDFInfo
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- CN109605566B CN109605566B CN201811625623.2A CN201811625623A CN109605566B CN 109605566 B CN109605566 B CN 109605566B CN 201811625623 A CN201811625623 A CN 201811625623A CN 109605566 B CN109605566 B CN 109605566B
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- 230000007246 mechanism Effects 0.000 claims description 51
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000003028 elevating effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
- B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Press Drives And Press Lines (AREA)
Abstract
A follow-up high-efficiency clamping machine, comprising: an outer frame; the assembling and disassembling unit is arranged on the outer frame and used for assembling and disassembling bolts on the pipe die; and a follower unit disposed on the outer frame for correlating with the pipe die; the components are configured such that the follower unit can be associated with the pipe die so that the outer frame can move synchronously with the pipe die along the X direction together with the follower unit, and the bolts on the pipe die are assembled and disassembled by the assembling and disassembling unit on the outer frame; the follower unit can be separated from the pipe die, so that the pipe die moves relative to the outer frame until the follower unit is re-associated with the pipe die, and the bolts at the next position on the pipe die can be assembled and disassembled. The die spotting machine can be used for spotting or dismantling a moving pipe die, and can be used for spotting or dismantling the pipe die in the process of moving the pipe die from the previous working procedure to the next working procedure, so that the production time is greatly saved, and the production efficiency is improved.
Description
Technical Field
The invention relates to pipe pile processing equipment, in particular to a die spotting machine.
Background
The tubular pile is mainly used in the field of construction and consists of a circular cement body and a reinforcing mesh in the cement body. As shown in fig. 1, the conventional method for manufacturing the pipe pile is to use two pipe pile dies 1 (pipe dies for short) with semicircular sections, place a reinforcing mesh in a lower pipe die 12, fill cement into the lower pipe die 12, and cover an upper pipe die 11 on the lower pipe die 12; notches 14 for accommodating bolts 15 are formed on side flanges 13 on both sides of the pipe die 1, the bolts 15 are hinged on the lower pipe die 12 through bolt hinge shafts 16, and the bolts 15 are turned upwards by using a die spotting machine and then nuts 17 are screwed so as to fix the upper pipe die and the lower pipe die; then, grabbing a centrifugal position flange 18 on the pipe die by using a centrifugal machine, and driving the pipe die 1 to rotate so as to centrifugally mold the pipe pile in the pipe die 1; subsequently unscrewing the nut 17 by using a clamping machine and then turning the bolt 15 downward to disassemble the bolt; finally, the upper pipe die 11 is uncovered, and the pipe pile is taken out.
Because the bolts on two sides of the pipe die are required to be assembled and disassembled during die assembly and die disassembly, the pipe die is usually conveyed to a die clamping machine through a conveying line in the prior art, then the pipe die is placed in a static state, and then the bolts are assembled and disassembled one by the die clamping machine capable of moving along the length direction of the pipe die. At present, the processing mode is more conventional, the pipe die is required to be stopped on a conveying line, and the bolts can be continuously moved to the next working procedure after being assembled and disassembled, so that the improvement of the production efficiency is not facilitated.
Disclosure of Invention
It is an object of the present invention to provide a follow-up efficient clamping machine that solves at least one of the above problems.
According to one aspect of the present invention, there is provided a follow-up efficient clamping machine comprising:
an outer frame;
the assembling and disassembling unit is arranged on the outer frame and used for assembling and disassembling bolts on the pipe die; and
a follow-up unit which is arranged on the outer frame and is used for being correlated with the pipe die;
the components are configured such that the follower unit can be associated with the pipe die so that the outer frame can move synchronously with the pipe die along the X direction together with the follower unit, and the bolts on the pipe die are assembled and disassembled by the assembling and disassembling unit on the outer frame; the follower unit can be separated from the pipe die, so that the pipe die moves relative to the outer frame until the follower unit is re-associated with the pipe die, and the bolts at the next position on the pipe die can be assembled and disassembled.
The die clamping machine disclosed by the invention can clamp or disassemble a moving pipe die, and is mutually related with the pipe die through the follow-up unit, so that the die clamping machine can synchronously move with the pipe die, and bolts on the pipe die are assembled and disassembled in the synchronous moving process, so that the die clamping or disassembling operation can be performed without stopping the pipe die, and the die clamping or disassembling operation can be performed in the process that the pipe die moves from the previous process to the next process, thereby greatly saving the production time and improving the production efficiency.
In some embodiments, the follower unit comprises clamping means for clamping a raised portion on the pipe die;
a first sensor for detecting a raised portion on the pipe die;
the above-mentioned components are configured such that when the first sensor detects that the raised portion on the pipe die moves to the clamping device, the clamping device clamps the raised portion to achieve the mutual association of the follower unit and the pipe die.
Therefore, the connection between the follow-up unit and the pipe die can be realized by detecting the protruding part on the pipe die and clamping the protruding part, and the principle is simple and easy to realize.
In some embodiments, the clamping device comprises:
a clamping drive mechanism having a movable clamping arm; and
a clamping fixture fixed to the clamping drive mechanism;
the above-mentioned components are configured such that the clamp driving mechanism drives the movable clamp arm thereof to approach the clamp fixture and clamp the raised portion of the pipe die together with the clamp fixture.
Therefore, the clamping is realized through the mutual clamping between a movable part (movable clamping arm) and a fixed part (clamping fixing piece), the structure is simple, the control is easy, and the operation stability is good.
In some embodiments, the clamp fixture is configured to be secured below the clamp drive mechanism;
the clamping driving mechanism can drive the movable clamping arm to rotate, when the movable clamping arm rotates downwards, the movable clamping arm can clamp the protruding part on the pipe die together with the clamping fixing piece, and when the movable clamping arm rotates upwards, the protruding part on the pipe die can be loosened.
Therefore, the clamping is realized in a rotating mode, and the clamping mechanism is simple and has large clamping force.
In some embodiments of the present invention, in some embodiments,
the follow-up unit also comprises a follow-up first lifting device which can drive the clamping device to move along the Y direction;
the first sensor is fixed on the clamping fixing piece;
the above-mentioned components are configured such that when the first lifting device is driven to move the clamping device downward in the Y direction, so that the first sensor is lowered to a position opposite to the raised position on the pipe die in the X direction, the first sensor detects the distance between the first sensor and the raised position on the pipe die in the X direction, and when the distance is smaller than a preset value, the clamping driving mechanism drives the movable clamping arm to rotate downward, and clamps the raised position on the pipe die together with the clamping fixture.
Therefore, the first sensor is arranged on the clamping fixing piece, and is opposite to the protruding part of the pipe die in the X direction and detects the distance, so that the distance between the clamping device and the protruding part is judged to trigger the clamping action, and the clamping device is ingenious in design, simple in structure and easy to realize.
In some embodiments, the follower unit further comprises:
the follow-up first lifting device is used for driving the clamping device to move along the Y direction, so that the clamping device can descend to the pipe die to realize mutual fixation with the pipe die;
a follow-up bracket for bearing the follow-up first lifting device; and
the follow-up second lifting device is arranged on the outer frame and used for driving the follow-up bracket to move along the Y direction, so that the follow-up bracket can move to a preset height, and the preset height is set according to the height specification of the pipe die.
From this, clamping device's up-and-down motion in Y direction decomposes into two parts, realizes through follow-up second elevating gear and follow-up first elevating gear respectively, has shared the Y to the stroke of clamping device required walking, avoids because follow-up first elevating gear's stroke overlength, leads to the problem that its structural stability and the security of work reduce. Moreover, the follow-up support is controlled to be lowered to a proper preset height according to different height specifications of different pipe dies, and the follow-up second lifting device is not required to be started again in the processing process of the same pipe die or a batch of pipe dies with the same specification, and the clamping device is only required to be driven to lift by the follow-up first lifting device, so that the operation flow is simplified, and the production efficiency is improved.
In some embodiments, a second sensor is also fixed on the outer frame for detecting the height of the pipe die; the follow-up second lifting device is configured to drive the follow-up support to move to a corresponding preset height according to the detected pipe die height.
Therefore, the height of the pipe die is obtained through detection of the second sensor, so that the follow-up support is moved to the corresponding preset height, and the automatic pipe die is more automatic and intelligent compared with manual input.
In some embodiments, the follower unit further comprises a follower lift lock for maintaining the follower support at a preset height.
Therefore, the Y-direction position of the follow-up bracket can be further ensured to be maintained, and long-term suspension stress of the follow-up second lifting device is avoided.
In some embodiments, the follower lift lock comprises:
the positioning seat is fixed on the follow-up support, a plurality of positioning holes which are vertically distributed at intervals are formed in the positioning seat, and the positioning holes correspond to a plurality of preset heights of the follow-up support;
the follow-up lifting locking driving mechanism is fixed on the outer frame and can drive the piston rod of the follow-up lifting locking driving mechanism to be inserted into the positioning hole horizontally opposite to the piston rod, so that the positioning seat is kept at the preset Y-position.
Therefore, the Y-direction position of the follow-up bracket can be locked through simple structures such as the positioning seat, the positioning hole and the like.
In some embodiments, a plurality of positioning seats are arranged, the positioning seats are overlapped along the Y direction, and each positioning seat is provided with a positioning hole; the follow-up lifting locking device further comprises a positioning screw rod and a nut, wherein the positioning screw rod vertically penetrates through the positioning seat overlapped along the Y direction, and the nut is sleeved on the positioning screw rod so as to fix the positioning seat on the positioning screw rod.
Therefore, the Y-position fixing of the positioning seat can be realized through simple structures such as the positioning screw rod, the nut and the like.
In some embodiments, further comprising a travel drive, comprising:
a clutch;
a traveling member provided at a bottom of the outer frame to move in the X direction; and
the output shaft of the walking driving mechanism is in transmission connection with the walking component through a clutch;
the above-mentioned members are configured such that the outer frame can be actively moved by the traveling member driven by the traveling driving mechanism when the clutch is in the engaged state, and the outer frame can be passively towed by the traveling member to be synchronously moved with the pipe die when the clutch is in the disengaged state.
Therefore, the active movement of the outer frame and the switching between the passive towing are realized, and the smooth movement of the outer frame is ensured.
Drawings
FIG. 1 is a schematic diagram of a prior art pipe die;
FIG. 2 is a block diagram showing a mold clamping machine according to an embodiment of the present invention;
FIG. 3 is a perspective view of the mold clamping machine of the present invention;
FIG. 4 is a side view of the clamping machine of the present invention;
FIG. 5 is a perspective view of one side of the clamping machine of the present invention;
FIG. 6 is an enlarged view of FIG. 3 at A;
fig. 7 is a structural view of the traveling unit of the present invention;
FIG. 8 is a block diagram of a follower unit of the present invention;
fig. 9 is an enlarged view of D in fig. 8;
FIG. 10 is an enlarged view at B in FIG. 8;
FIG. 11 is a schematic diagram of the working process of the clamping device according to the present invention, corresponding to step S2;
fig. 12 is a second schematic diagram of the working process of the clamping device according to the present invention, corresponding to step S2.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The die spotting machine can be independently used as a die spotting machine or a die dismantling machine, and also can be used as a die spotting and die dismantling integrated machine.
Referring to fig. 1 and 3, in the present invention, the X-direction refers to the direction of the length of the pipe die, and also the direction of the pipe die transport line; the Y direction refers to the vertical direction; z direction refers to the width direction of the pipe die; the three directions are mutually perpendicular and jointly form a three-dimensional moving direction.
In order to accelerate production efficiency, the pipe die is placed on an X-direction conveying line, so that the pipe die is moved from a processing position of the previous step to a processing position of the next step, and bolts on the pipe die are assembled and disassembled through a die clamping machine in the moving process. The die spotting machine of the present invention can move the outer frame 3 along with the pipe die synchronously by the follower unit 8, and the attaching/detaching unit on the outer frame 3 can attach or detach the bolts on the pipe die (hereinafter referred to as attaching/detaching) while the pipe die is moving.
Fig. 2 schematically shows a block diagram of a molding machine according to an embodiment of the present invention, fig. 3 is a perspective view of the molding machine, fig. 4 is a side view of the molding machine, and fig. 5 is a perspective view of one side of the molding machine. As shown in the drawing, the mold closing machine includes a traveling unit 2, an outer frame 3, a follower unit 8, a three-dimensional moving unit, an inner frame 5, and a mounting and dismounting unit including a nut screwing unit and a bolt turning unit. In addition, a rail 9 may be provided, the rail 9 being provided on both sides of the pipe die transporting route in the X direction, and the die closing machine being mounted on the rail 9 so as to be movable along the rail 9.
Walking unit
As shown in fig. 3, the outer frame 3 has a substantially rectangular symmetrical structure, which is disposed across the pipe die transportation line, and the space in the middle thereof is used for the pipe die to pass through, and the bolts on both sides of the pipe die are assembled and disassembled, so that the outer frame 3 can move along the X direction by the traveling unit 2.
As shown in fig. 6 and 7, the travel unit 2 includes a travel drive device 21 and a travel brake device 22.
The travel drive device 21 includes a travel drive mechanism 211, a transmission mechanism 212, a clutch, and a travel member 213. The walking driving mechanism 211 is specifically a motor, which is installed at the bottom of the outer frame 3, and an output shaft thereof is in transmission connection with a transmission mechanism 212 through a clutch, and the transmission mechanism 212 is in transmission connection with a walking member 213. The transmission mechanism 212 is specifically a gear transmission mechanism 212, and in other embodiments, may be a transmission system such as a pulley. The walking member 213 is mounted at the bottom end of the outer frame 3 and is engaged with the rail 9. Specifically, the running member 213 is a running roller, the rail 9 is a smooth track, the running roller may roll on the rail 9, in other embodiments, the rail 9 may also be a rack track, and the running member 213 is a running gear, and the running gear is meshed with the rack track to realize movement of the outer frame 3.
When the clutch is in a combined state, the walking driving mechanism 211 drives the walking component 213 to rotate through the transmission mechanism 212 so as to drive the outer frame 3 to actively move on the rail 9; when the clutch is switched to the disengaged state, the transmission mechanism 212 is separated from the output shaft of the traveling driving mechanism 211, the traveling rollers can rotate independently, and when the outer frame 3 is towed along the track 9, the traveling member 213 can roll passively, so that the passive movement of the outer frame 3 is realized.
The travel brake device 22 includes a travel brake drive mechanism 221, a brake guide 222, and a brake pad 223. The travel brake driving mechanism 221 is specifically an air cylinder, which is mounted at the bottom of the outer frame 3, a piston rod of which is fixed to one end of a brake guide rod 222, the other end of the brake guide rod 222 is fixed to a brake block 223, and the brake block 223 is disposed below both sides of the rail 9. When the piston rod of the walking brake driving mechanism 221 moves upwards, the brake guide rod 222 is driven to move upwards, so that the brake block 223 moves upwards and abuts against the rail 9, and the outer frame 3 is stopped by sliding friction force. When the piston rod moves downwards, the brake guide rod 222 can be driven to move downwards, so that the brake block 223 moves downwards and is separated from the rail 9, and the outer frame 3 can move relative to the rail 9.
Follow-up unit
As shown in fig. 8, the follower unit 8 includes a follower second elevating device 81, a follower elevating locking device 82, a follower bracket 83, a follower first elevating device 88, and a related device.
The follow-up second lift device 81 is mounted on the outer frame 3, and includes a follow-up second lift driving mechanism 811 and a guide rod 812. The follower second lifting driving mechanism 811 specifically includes a driving motor and a worm screw lifter, where the driving motor is used to drive the worm screw lifter, and an output screw of the worm screw lifter is fixed to the follower bracket 83, so as to drive the follower bracket 83 to move along the Y direction relative to the outer frame 3. The guide rod 812 is fixed to the follower bracket 83 and vertically penetrates the outer frame 3, and ensures that the follower bracket 83 moves in the vertical direction.
As shown in fig. 9, the follower lift lock 82 includes a follower lift lock drive 821, a positioning seat 822, a positioning screw 824, and a positioning nut 825. The positioning seats 822 are multiple, and each positioning seat 822 is provided with a positioning hole 823. The positioning screw 824 vertically penetrates through a plurality of positioning seats 822 overlapped along the Y direction, the positioning nut 825 is sleeved on the positioning screw 824 to fix the positioning seats 822 on the positioning screw 824, the Y direction position of the positioning screw 824 can be adjusted through the positioning nut 825, and the distance between the positioning seats 822 can be adjusted. The output screw of the turbine screw rod lifter is fixed with the topmost positioning seat 822 through a double-lug seat, the bottommost positioning seat 822 is fixed with the follow-up support 83, and the turbine screw rod lifter can drive the positioning seat 822 and the follow-up support 83 to integrally move along the Y direction relative to the outer frame 3. The following lifting locking driving mechanism 821 is specifically an air cylinder, which is fixedly installed on the outer frame 3 and is located at one side of the positioning seat 822, and a piston rod of the following lifting locking driving mechanism can be inserted into a positioning hole 823 horizontally opposite to the positioning seat, so that the positioning seat 822 is kept at the height position, the height of the following bracket 83 is kept, and long-term suspension stress of a driving motor and a turbine screw lifter is avoided.
The positioning holes 823 are arranged corresponding to a plurality of preset heights of the follow-up bracket 83, and different preset heights correspond to pipe die heights of different specifications. After the height information of the pipe die is obtained, the follower second elevating device 81 drives the follower support 83 to descend to a preset height, and then the follower support 83 is held at the height by the follower elevating locking device 82. The pipe die height information can be obtained through manual input or sensor detection, if manual input is adopted, the pipe die in the same batch is only needed to be input once, if sensor detection is adopted, a second sensor can be fixedly arranged on the outer frame 3, and the pipe die height information can be specifically realized through a distance sensor or a correlation photoelectric sensor.
The follower first lifter 88 is mounted on the follower bracket 83 and includes a follower first lifter drive 881 and a guide 882. The first follow-up lifting driving mechanism 881 is specifically an air cylinder, and a piston rod of the air cylinder is fixed to an associated device through a guide rod 882, so as to drive the associated device to move along the Y direction relative to the follow-up bracket 83. The guide bar 882 passes vertically through the follower bracket 83 to ensure that the associated device moves in a vertical direction.
In the present invention, the movement of the related device in the Y direction is divided into two parts, and is realized by the following second lifting device 81 and the following first lifting device 88, respectively, for the purpose of sharing the Y-direction stroke. Because the pipe dies with different specifications have different heights, the die spotting machine is suitable for the pipe dies with different specifications, the height of the outer frame 3 of the die spotting machine needs to be set according to the highest pipe die, when the pipe dies with lower heights are processed, the associated device needs to descend for a longer stroke to be fixed with the pipe dies, so that the stroke of the cylinder of the follow-up first lifting device 88 is overlong, the stability of the structure and the safety of work are not good. The follower lift lock 82 is used as a further optimization for holding the follower support 83 in this height position during processing of the same pipe die or a batch of pipe dies of the same specification to ensure operational stability.
The associating means is preferably a clamping means 89 for associating with the pipe die by clamping raised portions of the pipe die that facilitate clamping. The raised parts on the top of the pipe die are preferably clamped, for example, radial flanges for fixing with a centrifugal machine, also called centrifugal position flanges, the centrifugal position flanges are distributed uniformly on the pipe die along the X direction, and the number of bolts between the two centrifugal position flanges is approximately equal, so that the centrifugal position flanges are suitable as clamping objects. In other embodiments, other structures on the pipe die may be used as the clamping object, or structures for clamping may be specially manufactured on the pipe die, as long as the clamping conditions are satisfied.
Specifically, as shown in fig. 10, the clamping device 89 includes a clamping drive mechanism 891, a clamping fixture 892, and a first sensor 893. The clamping fixture 892 is a plate fixed to the bottom of the clamping driving mechanism 891, the clamping driving mechanism 891 may employ a commercially available clamping cylinder, which is rotated by a movable clamping arm 8911, and clamps the protruding portion together with the clamping fixture 892 when the movable clamping arm 8911 rotates downward, and releases the protruding portion when the movable clamping arm 8911 rotates upward. The position and rotation angle of the movable clamping arm 8911 can be adjusted by the clamping driving mechanism 891, in this embodiment, the initial position of the movable clamping arm 8911 is a horizontal position, and after rotating downward by 90 degrees, the movable clamping arm is located at a vertical position, and clamps the protruding portion together with the clamping fixing member 892 which is also vertically fixed. In other embodiments, other types of clamping cylinders or common cylinders may be used, such as a clamping jaw type clamping cylinder, in which the raised portion is clamped or hooked directly by the clamping jaw, and the clamping fixture 892 may be omitted. Or the movable clamping arm 8911 of the clamping cylinder does not move in a rotational manner, but is linearly adjacent to the clamping fixture 892 to clamp the raised area, and so on.
As shown in fig. 11 and 12, the first sensor 893 is fixed to the clamping fixture 892, which may be a distance sensor in particular. When the first lifting device 88 is driven to move downwards by the clamping device 89, the first sensor 893 is lowered to a position opposite to the protruding part on the pipe die in the X direction, the first sensor 893 detects the distance between the first sensor 893 and the protruding part on the pipe die in the X direction, and when the distance is smaller than a preset value, the clamping driving mechanism 891 drives the movable clamping arm 8911 to rotate downwards, and clamps the protruding part on the pipe die together with the clamping fixing piece 892.
Three-dimensional mobile unit and mounting and dismounting unit
The three-dimensional moving units have two groups, which are respectively installed at both sides of the outer frame 3 (one side of the mold clamping machine is shown in fig. 6) to respectively mount and dismount bolts at both sides of the pipe mold.
Two inner frames 5 are installed on each group of three-dimensional moving units, and the two inner frames 5 are moved by the three-dimensional moving units to correspond to the notch positions. The two inner frames 5 share one Y-direction moving device 41 and one Z-direction moving device 43, and are independently moved in the X-direction using two independent X-direction moving devices 44, respectively, to attach and detach bolts at two different positions, respectively.
The inner frame 5 is mounted with a mounting-dismounting unit including a nut screwing unit 6 mounted at an upper portion thereof and a bolt turning unit 7 mounted at a lower portion thereof.
Mold closing and removing method
The invention also provides a high-efficiency die assembly or disassembly method, wherein the die assembly and the disassembly are only different in the treatment of the bolts in the step S3, and the rest are the same. The method specifically comprises the following steps:
s1: the pipe die is moved on the X-direction transportation line, and when the pipe die is moved into the outer frame 3, the second sensor on the outer frame 3 detects the height of the pipe die, or the follow-up support 83 is driven to descend to a preset height by the follow-up second lifting device 81 according to the height of the pipe die input manually in advance. The piston rods of the follower lifting and locking driving mechanism 821 extend horizontally and are inserted into the positioning holes 823 of the same height, so that the follower bracket 83 is maintained at a preset height. S2 is performed.
S2: when the pipe die moves to the relevant position relative to the die clamping machine, the die clamping machine and the pipe die are mutually related to synchronously move along with the pipe die along the X direction.
The relevant position, namely the position of the centrifugal position flange 18 on the pipe die, which is convenient to fix, judges whether the pipe die moves to the position of the centrifugal position flange 18 relative to the die spotting machine or not, and is realized by the following method: as shown in fig. 11, the first lifting/lowering device 88 is driven to lower the gripping device 89, so that the first sensor 893 on the gripping fixture 892 is lowered to a height opposite to the centrifugal position flange 18 on the pipe die in the X direction, and the distance from the centrifugal position flange 18 in the X direction is detected. When the distance is less than a predetermined value, it is determined that the centrifugal position flange 18 has been reached. The predetermined distance should be set small so that the clamping fixture 892 does not clamp the centrifuge flange 18 until the centrifuge flange 18 has been sufficiently close to the centrifuge flange 18.
As shown in fig. 12, the clamping driving mechanism 891 of the clamping device 89 is caused to drive the movable clamping arm 8911 thereof to rotate downward, clamping the centrifugal position flange 18 between the movable clamping arm 8911 and the clamping fixture 892, fixing the clamping device 89 to the centrifugal position flange 18 to associate the outer frame 3 with the pipe die, and simultaneously, the clutch of the traveling driving device 21 is switched to the disengaged state, and the outer frame 3 is dragged by the pipe die to move synchronously in the X direction. S3 is performed.
S3: the three-dimensional moving unit drives the inner frames 5 on each side to move to the notch positions, the bolt overturning unit 7 and the nut screwing unit 6 on each inner frame 5 are used for respectively assembling and disassembling the bolts at each notch, and if the bolts required to be assembled and disassembled on each side are larger than the number of the inner frames 5, the inner frames 5 are continuously driven to the positions of the bolts which are not assembled and disassembled by the X-direction moving device until all the bolts near the centrifugal position flange 18 are assembled and disassembled. S4 is performed.
S4: the clamping driving mechanism 891 drives the movable clamping arm 8911 to rotate upwards, so that the clamping device 89 releases the centrifugal position flange 18, the follow-up first lifting device 88 drives the clamping device 89 to lift, and the outer frame 3 is separated from the pipe die, so that the pipe die moves relative to the die spotting machine. S5 is performed.
S5: the clutch is switched to the engaged state, and the outer frame 3 is driven by the traveling driving device 21 to move on the rail 9 at a lower moving speed relative to the pipe die conveying speed so as not to cause the pipe die to be conveyed too fast to miss the next centrifugal position flange 18. If the moving speed of the pipe die is low, the traveling driving device 21 may be omitted, and the clamping machine may be stationary on the rail 9 to wait for the pipe die to continue moving. At the same time, S2 is again performed, the first sensor 893 is again lowered and detects whether the next centrifuge bit flange 18 is in place, and after that, clamps again and then is attached and detached. And S2-S4 is circularly executed until all bolts on the pipe die are processed.
In other embodiments, the associating device can be used for associating the die clamping machine and the pipe die in other ways besides the clamping device, such as a magnetic force or a vacuum sucker, and when the sucker is used, the associating device can be directly sucked and fixed with a flat part on the top of the pipe die without being fixed with a raised part, so that the raised part is not required to be detected. The first sensor 893 may be fixed to other locations of the clamping machine and detect the raised portion by other means. The following second elevating device 81 and the following elevating locking device 82 may be omitted. The follow-up lifting locking device 82 may not be locked by the combination of the positioning hole 823 and the piston rod, and may be any structure capable of being mutually combined to realize locking.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that several modifications and improvements can be made to the present invention, or the above-described embodiments can be freely combined, without departing from the scope of the invention.
Claims (11)
1. A follow-up efficient die spotting machine is characterized by comprising:
an outer frame (3);
the assembling and disassembling unit is arranged on the outer frame (3) and used for assembling and disassembling bolts on the pipe die; the assembling and disassembling unit comprises a nut screwing unit; and
a follower unit (8) arranged on the outer frame (3) and used for being mutually related with the pipe die;
the components are configured in such a way that the follow-up unit (8) can be associated with a pipe die, so that the outer frame (3) can synchronously move along the X direction along with the pipe die together with the follow-up unit (8), and the bolts on the pipe die can be assembled and disassembled by the assembling and disassembling unit on the outer frame (3); the follow-up unit (8) can be separated from the pipe die, so that the pipe die moves relative to the outer frame (3) until the follow-up unit (8) is associated with the pipe die again, so that bolts at the upper position and the lower position of the pipe die can be assembled and disassembled.
2. The follow-up efficient clamping machine as claimed in claim 1, characterized in that the follow-up unit (8) comprises:
clamping means (89) for clamping the raised portion on the pipe die;
a first sensor (893) for detecting a raised location on the pipe die;
the components are configured such that when the first sensor (893) detects that a raised part on the pipe die moves to the clamping device (89), the clamping device (89) clamps the raised part so as to realize the mutual association of the follow-up unit (8) and the pipe die.
3. The follow-up efficient clamping machine as set forth in claim 2, wherein the clamping device (89) includes:
a clamping drive mechanism (891) having a movable clamping arm (8911); and
a clamp fixture (892) secured to the clamp drive mechanism (891);
the above components are configured such that the clamping driving mechanism (891) can drive the movable clamping arm (8911) thereof to be close to the clamping fixing piece (892) and clamp the convex part on the pipe die together with the clamping fixing piece (892).
4. The follow-up efficient clamping machine as claimed in claim 3, wherein:
the clamping fixture (892) is configured to be secured below the clamping drive mechanism (891);
the clamping driving mechanism (891) can drive the movable clamping arm (8911) to rotate, when the movable clamping arm rotates downwards, the movable clamping arm can clamp a protruding part on a pipe die together with the clamping fixing piece (892), and when the movable clamping arm rotates upwards, the protruding part on the pipe die can be loosened.
5. The follow-up efficient clamping machine as defined in claim 4, wherein:
the follow-up unit (8) further comprises a follow-up first lifting device (88) which can drive the clamping device (89) to move along the Y direction;
the first sensor (893) is fixed on the clamping fixing piece (892);
the above components are configured such that when the first follow-up lifting device (88) drives the clamping device (89) to move downwards along the Y direction, so that the first sensor (893) descends to a position opposite to the protruding part on the pipe die along the X direction, the first sensor (893) detects the distance between the first sensor and the protruding part on the pipe die along the X direction, and when the distance is smaller than a preset value, the clamping driving mechanism (891) drives the movable clamping arm (8911) to rotate downwards, and clamps the protruding part on the pipe die together with the clamping fixing piece (892).
6. The slave high-efficiency clamping machine according to claim 2, characterized in that the slave unit (8) further comprises:
the follow-up first lifting device (88) is used for driving the clamping device (89) to move along the Y direction, so that the clamping device (89) can be lowered to the pipe die to realize mutual fixation with the pipe die;
a follower support (83) for carrying the follower first lifting means (88); and
the follow-up second lifting device (81) is arranged on the outer frame (3) and used for driving the follow-up bracket (83) to move along the Y direction, so that the follow-up bracket (83) can move to a preset height, and the preset height is set according to the height specification of the pipe die.
7. The follow-up efficient clamping machine as defined in claim 6, wherein:
the outer frame (3) is also fixedly provided with a second sensor which is used for detecting the height of the pipe die; the follower second lifting device (81) is configured to drive the follower support (83) to move to a corresponding preset height according to the detected pipe die height.
8. The follow-up efficient clamping machine as defined in claim 6, wherein: the follower unit (8) further comprises a follower lifting locking device (82) for maintaining the follower support (83) at a preset height.
9. The follow-up efficient clamping machine as set forth in claim 8, wherein the follow-up lift lock (82) includes:
the positioning seat (822) is fixed on the follow-up bracket (83), a plurality of positioning holes (823) which are vertically distributed at intervals are formed in the positioning seat (822), and the positioning holes (823) correspond to a plurality of preset heights of the follow-up bracket (83);
and the follow-up lifting locking driving mechanism (821) is fixed on the outer frame (3), and the follow-up lifting locking driving mechanism (821) can drive a piston rod of the follow-up lifting locking driving mechanism to be inserted into a positioning hole (823) horizontally opposite to the follow-up lifting locking driving mechanism, so that the positioning seat (822) is kept at the preset Y-position.
10. The follow-up efficient clamping machine as defined in claim 9, wherein: the positioning seats (822) are overlapped along the Y direction, and each positioning seat (822) is provided with a positioning hole (823); the follow-up lifting locking device (82) further comprises a positioning screw rod (824) and a positioning nut (825), the positioning screw rod (824) vertically penetrates through the positioning seat (822) overlapped along the Y direction, and the positioning nut (825) is sleeved on the positioning screw rod (824) so as to fix the positioning seat (822) on the positioning screw rod (824).
11. The follow-up efficient clamping machine according to any one of claims 1 to 10, characterized in that: further comprising a travel drive (21) comprising:
a clutch;
a traveling member (213) provided at the bottom of the outer frame (3) to move in the X direction; and
the walking driving mechanism (211) is arranged at the bottom of the outer frame (3), and an output shaft of the walking driving mechanism is in transmission connection with the walking component (213) through the clutch;
the above components are configured such that the outer frame (3) can be actively moved by a traveling member (213) driven by the traveling driving mechanism (211) when the clutch is in the engaged state, and the outer frame (3) can be passively towed by the traveling member (213) to be synchronously moved with the pipe die when the clutch is in the disengaged state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625623.2A CN109605566B (en) | 2018-12-28 | 2018-12-28 | Follow-up efficient die spotting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811625623.2A CN109605566B (en) | 2018-12-28 | 2018-12-28 | Follow-up efficient die spotting machine |
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| CN109605566B true CN109605566B (en) | 2024-01-09 |
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|---|---|
| CN109605566A (en) | 2019-04-12 |
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