CN209793135U - tool for drilling of header rocker arm - Google Patents
tool for drilling of header rocker arm Download PDFInfo
- Publication number
- CN209793135U CN209793135U CN201821850926.XU CN201821850926U CN209793135U CN 209793135 U CN209793135 U CN 209793135U CN 201821850926 U CN201821850926 U CN 201821850926U CN 209793135 U CN209793135 U CN 209793135U
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- header
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- support roller
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- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000003825 pressing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000009415 formwork Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 1
- 244000035744 Hura crepitans Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a frock is used in drilling of header rocking arm belongs to boiler header manufacturing field. The utility model discloses a support fixed platform, support bracket, support roller train, hold-down mechanism and actuating mechanism, the support bracket sets up on fixed platform perpendicularly, and the support bracket is used for the work piece side to lean on, supports the roller train setting and supports the work piece lower part on supporting fixed platform, and the hold-down mechanism setting compresses tightly the work piece bottom on supporting fixed platform, and actuating mechanism drive hold-down mechanism, the support bracket top is provided with and is no less than a set of gyro wheel, forms the V type groove that is used for holding work piece upper portion between every group gyro wheel, and the support roller train includes initiative support roller and driven support roller, actuating mechanism and drive initiative support roller are connected; the utility model can avoid the hole verticality deviation generated in the multiple moving process, and ensure the verticality of the hole center and the header pipe; meanwhile, the dependence on a travelling crane in the machining process is avoided, and the machining efficiency is improved.
Description
Technical Field
The utility model belongs to boiler header manufacturing field, more specifically say, relate to a frock is used in drilling of header rocking arm.
Background
The exhaust-heat boiler product is mainly applied to a converter vaporization cooling flue of a steel plant, the flue structure of the exhaust-heat boiler product is in a close-packed tube plate membrane wall type, and each section of upper and lower header and a heated tube are connected by welding header close-packed holes. The central diameter of the header is large, the number of the holes is more than 120 and 280, and the central position of the hole is positioned in the range of 30-60 degrees inside the header, a fixed supporting platform, a rocker drill and a traveling crane or an electric hoist are usually adopted to be matched and processed in the hole processing process, the traveling crane needs to be shifted and matched for many times in the processing process, and the processing time period is long. It mainly suffers from the following problems:
1) A rocker drill is adopted for drilling, the effective processing range is limited after the header is fixedly clamped, and 5-9 holes are generally processed by clamping each time in order to ensure the verticality of the center of the hole and the header pipe. 2) In the machining process, the travelling crane needs to be matched for position adjustment for multiple times, the travelling crane occupying time is long, and the machining efficiency is low. Therefore, the design of the tool for drilling the rocker arm of the connecting box has important significance for the processing and manufacturing field of the boiler connecting box for manufacturing the sand box.
Through search, patent schemes are disclosed. As in the Chinese patent: application No.: 201610194666.4, patent name: an annular drilling equipment, publication date: 2016, 06, 08. This patent includes the fuselage, the locating plate has on the fuselage, be provided with actuating system and linked system on the locating plate respectively, linked system includes initiative anchor clamps, driven anchor clamps, initiative anchor clamps are connected to on the actuating system, driven anchor clamps below is provided with the tool bit, be provided with linkage between initiative anchor clamps, the driven anchor clamps. This technical scheme passes through the linked system and will take the initiative the rotation of anchor clamps and transmit for driven anchor clamps to liberated tool bit work area and received drive system's restraint, according to the size of actual work piece, as long as adjust the relevant position of locating plate, can realize the inside grinding operation of work piece, but its weak point lies in this header drilling equipment can not be better to the boiler header bore a hole, and the efficiency of drilling is not high, still remains in the improvement.
SUMMERY OF THE UTILITY MODEL
1. problems to be solved
Aiming at the defects of lower drilling efficiency of the header in the prior art and the like, the utility model provides a tool for drilling the header rocker arm, which uses a roller to support and drive a workpiece to rotate through a support bracket and a pressing mechanism, and is matched with a rocker arm drill to drill a hole, so that the workpiece can avoid hole verticality deviation generated in the multiple moving process after being fixed and clamped, and the verticality between the hole center and a header pipe is ensured; meanwhile, the dependence on a travelling crane in the processing process is avoided, the purpose of processing by one person is achieved, and the processing efficiency is improved.
2. technical scheme
in order to solve the above problem, the utility model adopts the following technical scheme:
The utility model provides a frock is used in drilling of header rocking arm, is including supporting fixed platform, support holder, support roller train, hold-down mechanism and actuating mechanism, the support holder sets up perpendicularly on fixed platform, and the support holder is used for the work piece side to lean on, supports the roller train setting and supports the work piece lower part on fixed platform, hold-down mechanism sets up the work piece bottom on supporting fixed platform, actuating mechanism drive hold-down mechanism, the support holder top is provided with and is no less than a set of gyro wheel, forms the V type groove that is used for holding work piece upper portion between every group gyro wheel, supports the roller train including initiative support roller and driven support roller, actuating mechanism is connected with drive initiative support roller.
as a further improvement, the hold-down mechanism includes mount pad, fixed block, movable block, the mount pad sets up on supporting fixed platform, and the fixed block sets up on the mount pad, form the work piece groove that holds the work piece between fixed block and the movable block, fixed movable block is locked by locking device.
As a further improvement, the mount pad bottom is provided with the screw rod, the movable block suit is on the screw rod, the screw rod tip is provided with the rotating pin, locking device sets up to the baffle, the position of baffle restriction rotating pin.
as a further improvement, the groove wall of the workpiece groove is provided with a rubber pad.
As a further improvement of the present invention, the driving mechanism includes a ratchet assembly connected to the active support roller and a rocker for driving the ratchet assembly to rotate.
as a further improvement, the driving support roller and the driven support roller are connected with a chain wheel and a chain, and the chain wheel and the driving mechanism are respectively arranged at two ends of the driving support roller.
As a further improvement, each group of rollers is provided with two rollers, the two rollers are positioned on the same plane, and one of the rollers is vertically arranged.
as a further improvement, each group of rollers is provided with three rollers, one of the rollers is vertically arranged, and the other two rollers are positioned at two sides of the vertical roller.
As a further improvement of the present invention, the driving mechanism is a servo motor connected to the active support roller.
As a further improvement, a belt pulley and a transmission belt are connected between the driving support roller and the driven support roller, and the belt pulley and the driving mechanism are respectively arranged at two ends of the driving support roller.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model relates to a frock is used in drilling of header rocking arm utilizes the gyro wheel to support and drive the work piece and rotate through support holder and hold-down mechanism, and with cooperation rocking arm drill drilling, makes the work piece after fixed clamping, can avoid the hole straightness deviation that hangs down that produces in the removal process many times, guarantees the hole center and the header pipe straightness that hangs down; meanwhile, the dependence on a travelling crane in the processing process is avoided, the aim of processing by one person is fulfilled, and the processing efficiency is improved;
(2) The utility model relates to a frock for drilling of header rocker arm can effectively fix the work piece through the locking device of fixed block, movable block and fixed movable block, avoids the work piece to slide, in addition simple structure, and locking is reliable;
(3) The utility model relates to a drilling tool for a header rocker arm, which has simple structure, convenient operation and low cost through a screw rod, a rotating pin and a baffle plate;
(4) The utility model discloses a frock for drilling of header rocker arm can prevent the work piece from sliding through being provided with the rubber pad, further reliably locks the work piece;
(5) the utility model discloses a frock for drilling of header rocker arm is through being provided with ratchet subassembly and rocker, convenient operation is reliable, and is with low costs to avoid initiatively supporting the gyro wheel and reversing, avoid the work piece direction slippage;
(6) The utility model discloses a drilling of header rocking arm is with frock through being provided with sprocket and chain drive, installation, simple structure, with low costs;
(7) The utility model discloses a frock is used in drilling of header rocking arm is through being provided with two sets of gyro wheels, and every group sets up to two, fixes a position the work piece upper end through four points, can be with supporting the work piece, avoid the work piece to remove;
(8) The utility model discloses a frock for drilling of header rocker arm is through being provided with a set of gyro wheel, and every group sets up to three, and this simple structure fixes a position the work piece upper end through three points;
(9) The utility model discloses a frock for drilling of header rocking arm conveniently carries out automatic control through setting up servo motor, and servo motor has self-locking function, can avoid the initiative to support the gyro wheel reversal, avoids the work piece direction slippage, and control accuracy is high, and is with high costs;
(10) The utility model relates to a drilling of header rocking arm is with frock passes through belt pulley and drive belt, carries out the transmission, and transmission efficiency is high, and is with low costs, convenient maintenance.
Drawings
Fig. 1 is a schematic structural view of the tool for drilling the header rocker arm of the present invention;
FIG. 2 is a side view of the tooling for drilling the connecting box rocker arm of the utility model;
FIG. 3 is a top view of the tooling for drilling the connecting box rocker arm of the present invention;
Fig. 4 is the utility model relates to a structure schematic diagram of mechanism steps up in frock for drilling of header rocking arm.
In the figure: 1-supporting a fixed platform; 2-a support bracket; 3, rolling wheels; 4-supporting rollers; 5-a chain wheel; 6-a pressing mechanism; 7-a drive mechanism; 8-a positioning pin; 9-a workpiece; 10-processing holes; 11-a mounting seat; 12-fixing blocks; 13-a movable block; 14-a workpiece groove; 15-rubber pad; 16-a screw; 17-a thread; 18-a rotation pin; 19-a baffle plate; 20-a rocker; 21-a ratchet assembly; 22-V type groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Example 1
as shown in fig. 1-4, a tool for drilling a header rocker arm comprises a supporting and fixing platform 1, a supporting bracket 2, a supporting roller set 4, a pressing mechanism 6 and a driving mechanism 7, wherein the supporting bracket 2 is vertically arranged on the fixing platform 1, the supporting bracket 2 is used for a workpiece to lean against, the supporting roller set 4 is arranged on the supporting and fixing platform 1 to support the lower part of the workpiece, the pressing mechanism 6 is arranged on the supporting and fixing platform 1 to press the bottom of the workpiece, the driving mechanism 7 drives the pressing mechanism 6, no less than 1 group of rollers 3 are arranged at the top of the supporting bracket 2, a V-shaped groove 22 used for accommodating the upper part of the workpiece is formed between each group of rollers 3, the supporting roller set comprises a driving supporting roller 4a and a driven supporting roller 4b, and the driving mechanism 7 is connected with the driving.
In the embodiment, a workpiece 9 is subjected to reference positioning through a support bracket V-shaped groove 22 and a support roller group 4, the workpiece is pressed and machined through a pressing mechanism, after each machined hole 10 is machined, a clamping device is loosened, a driving mechanism 7 is utilized to drive a driving support roller 4a to drive the workpiece to rotate, the next workpiece is machined, and drilling is carried out in cooperation with a rocker drill, so that hole verticality deviation generated in the process of multiple movement can be avoided after the workpiece is fixedly clamped, and the verticality between the hole center and a header pipe is ensured; meanwhile, the dependence on a travelling crane in the processing process is avoided, the purpose of processing by one person is achieved, and the processing efficiency is improved.
in the embodiment, the workpiece processing steps are as follows:
1) Header marking and hole positioning: and (4) marking the positions of the holes of the headers subjected to bending processing on the platform, and knocking and punching the holes for positioning.
2) Angle of adjustment is fixed to the support: and (3) placing the header pipe with the drawn line on an operation platform and a support, adjusting the position and the angle of the header to ensure that the center of the drilling position is consistent with the center of a drill bit of a drilling machine, and fixing the support.
and a, drilling at the next station, operating the pressing mechanism and unlocking.
b, operating the driving mechanism to enable the header to rotate anticlockwise, stopping after reaching a plurality of drilling positions, and locking to prevent the header from sliding circumferentially relatively.
And c, pressing by a pressing mechanism, and locking and fixing after pressing.
d, drilling by using a radial drilling machine.
And e, finishing the drilling of the station, and repeating the previous 4 steps to adjust the next station.
example 2
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, the pressing mechanism 6 includes a mounting seat 11, a fixed block 12, and a movable block 13, the mounting seat 11 is disposed on the supporting and fixing platform 1, the fixed block 12 is disposed on the mounting seat 11, a workpiece slot 14 for accommodating a workpiece is formed between the fixed block 12 and the movable block 13, and the fixed movable block 13 is locked by a locking device; the bottom of the mounting seat 11 is provided with a screw rod 16, the movable block 13 is sleeved on the screw rod 16, the end part of the screw rod 16 is provided with a rotating pin 18, the locking device is a baffle plate 19, and the baffle plate 19 limits the position of the rotating pin 18.
This embodiment adopts nut screw rod principle, through the screw-thread fit between movable block and the screw rod, rotates to step up the round pin and carries out the removal of movable block, realizes stepping up, through setting up the baffle, realizes the fixed of rotating pin, realizes relaxing.
Example 3
as shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, a rubber pad 15 is disposed on a groove wall of the workpiece groove 14, and the rubber pad can prevent the workpiece from sliding, so as to further reliably lock the workpiece; this structure of this embodiment can also adopt anti-skidding line structure.
Example 4
As shown in fig. 1-4, this embodiment is substantially the same as embodiment 1, and preferably, the driving mechanism 7 includes a ratchet assembly 21 connected to the driving support roller 4a and a rocker 20 for driving the ratchet assembly 21 to rotate, the power device drives the ratchet assembly to rotate via the rocker, the sprocket drives the driven support roller to rotate via the chain, and the header pipe is driven to move forward to adjust to the next target drilling position.
Example 5
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, each set of rollers 3 is provided with two rollers, the two rollers are located on the same plane, one of the rollers is vertically arranged, this embodiment protects two sets of rollers, each set of rollers is provided with two rollers, and a V-shaped groove is formed between the two rollers.
Example 6
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 5, and preferably, each set of rollers 3 is provided with three rollers, one of the rollers is vertically arranged, and the other two rollers are located at two sides of the vertical roller, so that this embodiment protects three roller structures, and a V-shaped groove is formed between the three roller structures.
example 7
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 4, and preferably, a pulley and a transmission belt are connected between the driving support roller 4a and the driven support roller 4b, the pulley and the driving mechanism 7 are respectively disposed at two ends of the driving support roller 4a, and the structure adopts the pulley to drive the driven support roller 4b to rotate.
Example 8
As shown in fig. 1 to 4, this embodiment is substantially the same as embodiment 1, and preferably, the driving mechanism is a servo motor connected to the active support roller, the servo motor may have a self-locking function, and the purpose of PLC control may be achieved through the servo motor.
the examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.
Claims (10)
1. The utility model provides a frock is used in drilling of header rocking arm which characterized in that: comprises a supporting and fixing platform (1), a supporting bracket (2), a supporting roller group (4), a pressing mechanism (6) and a driving mechanism (7), the supporting bracket (2) is vertically arranged on the fixed platform (1), the supporting bracket (2) is used for the side leaning of a workpiece, the supporting roller group (4) is arranged on the supporting fixed platform (1) to support the lower part of the workpiece, the pressing mechanism (6) is arranged on the supporting fixed platform (1) to press the bottom of the workpiece, the driving mechanism (7) drives the pressing mechanism (6), at least one group of rollers (3) is arranged at the top of the supporting bracket (2), a V-shaped groove (22) for accommodating the upper part of the workpiece is formed between each group of rollers (3), the supporting roller group comprises a driving supporting roller (4a) and a driven supporting roller (4b), the driving mechanism (7) is connected with the driving active supporting roller (4 a).
2. The tool for drilling the header rocker arm according to claim 1, wherein: hold-down mechanism (6) are including mount pad (11), fixed block (12), movable block (13), mount pad (11) set up on supporting fixed platform (1), and fixed block (12) set up on mount pad (11), form work piece groove (14) that hold the work piece between fixed block (12) and movable block (13), fixed movable block (13) are locked by locking device.
3. The tool for drilling the header rocker arm according to claim 2, wherein: the mounting seat (11) bottom is provided with screw rod (16), movable block (13) suit is on screw rod (16), screw rod (16) tip is provided with rotating pin (18), locking device sets up to baffle (19), and baffle (19) restriction rotating pin (18)'s position.
4. The tool for drilling the header rocker arm according to claim 2, wherein: and a rubber pad (15) is arranged on the wall of the workpiece groove (14).
5. The tool for drilling the header rocker arm according to any one of claims 1 to 4, wherein: the driving mechanism (7) comprises a ratchet wheel component (21) connected with the driving support roller (4a) and a rocker (20) driving the ratchet wheel component (21) to rotate.
6. The tool for drilling the header rocker arm according to any one of claims 1 to 4, wherein: and a chain wheel (5) and a chain are connected between the driving support roller (4a) and the driven support roller (4b), and the chain wheel (5) and the driving mechanism (7) are respectively arranged at two ends of the driving support roller (4 a).
7. The tool for drilling the header rocker arm according to claim 1, wherein: each group of rollers (3) is provided with two rollers which are positioned on the same plane, and one of the rollers is vertically arranged.
8. The tool for drilling the header rocker arm according to claim 1, wherein: each group of rollers (3) is provided with three rollers, one of the rollers is vertically arranged, and the other two rollers are positioned at two sides of the vertically arranged rollers.
9. The tool for drilling the header rocker arm according to any one of claims 1 to 4, wherein: the driving mechanism (7) is a servo motor connected with the active supporting roller (4 a).
10. The tool for drilling the header rocker arm according to any one of claims 1 to 4, wherein: a belt pulley and a transmission belt are connected between the driving support roller (4a) and the driven support roller (4b), and the belt pulley and the driving mechanism (7) are respectively arranged at two ends of the driving support roller (4 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850926.XU CN209793135U (en) | 2018-11-12 | 2018-11-12 | tool for drilling of header rocker arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850926.XU CN209793135U (en) | 2018-11-12 | 2018-11-12 | tool for drilling of header rocker arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209793135U true CN209793135U (en) | 2019-12-17 |
Family
ID=68816620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850926.XU Expired - Fee Related CN209793135U (en) | 2018-11-12 | 2018-11-12 | tool for drilling of header rocker arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209793135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496557A (en) * | 2020-04-07 | 2020-08-07 | 苏冬梅 | Pneumatic type clamping tool for workpiece of machining center of numerical control machine tool |
-
2018
- 2018-11-12 CN CN201821850926.XU patent/CN209793135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496557A (en) * | 2020-04-07 | 2020-08-07 | 苏冬梅 | Pneumatic type clamping tool for workpiece of machining center of numerical control machine tool |
| CN111496557B (en) * | 2020-04-07 | 2021-12-17 | 广沣机械(嘉兴)有限公司 | Pneumatic type clamping tool for workpiece of machining center of numerical control machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |