CN204817485U - Shaping steel pipe rolling device - Google Patents
Shaping steel pipe rolling device Download PDFInfo
- Publication number
- CN204817485U CN204817485U CN201520405340.2U CN201520405340U CN204817485U CN 204817485 U CN204817485 U CN 204817485U CN 201520405340 U CN201520405340 U CN 201520405340U CN 204817485 U CN204817485 U CN 204817485U
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- frame
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 238000005096 rolling process Methods 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000007493 shaping process Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000009785 tube rolling Methods 0.000 claims description 29
- 239000002994 raw material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
The utility model discloses a shaping steel pipe rolling device, including conveying mechanism, push mechanism, rolling mechanism, output mechanism, the conveying mechanism clamp that includes both ends tightly put up one and press from both sides two and tightly put up two between one and assist and send frame no. 1, push mechanism include that two are sent the frame, the top is sent in the frame movable to install and is removed the frame, two are sent between the frame lateral wall to install the transmission case, rolling mechanism include tub ware that rolls of internally mounted multiple roll frame, output mechanism on be equipped with two jockey pulleys no. 2, the linkage seat sets up in liang ding and send between the frame, and both ends connect the universal driving shaft, the universal driving shaft passes conveying mechanism, push mechanism and rolling mechanism respectively, conveying mechanism one side meets with the input frame, output structure one side meets with the output frame, and conveying mechanism, push mechanism, rolling structure and output mechanism all meet according to the order. The utility model discloses an useful condition lies in: rolling effectual, stable in structure is firm, and the plug removal resets effectually, and input/output is convenient.
Description
Technical field
The utility model relates to a kind of shaping steel tube rolling device.
Background technology
Cold pilger mill utilizes annular distance shape to carry out the process equipment of cold conditions rolling to hollow forging.These facility have good cogging performance, also can the non-ferrous metal seamless pipe of rolling general precision.The maximum feature of cold pilger mill is that stock utilization is high, and precision and surface roughness are all better than drawn tube.
The shortcoming of current cold pilger mill is poor rigidity, in the operation of rolling, equipment easily loosens, and plug easily mobile reset inaccurate, plug resetting means easily weares and teares, and the conveying effect of raw material is bad, when cold rolling, location tightness is poor, needs a lot of cold oil in tube rolling process, easily affect drive mechanism during high-speed rolling, Long-Time Service affects equipment precision.Traditional cold pipe mill send rolling by movable stand top time, because screw mandrel length is longer, and poor stability when making rolling.The input and output of raw material steel pipe manually need carry out propelling movement pull-out, very loaded down with trivial details.
Utility model content
For solving the problem, the purpose of this utility model is to provide that a kind of effect of rolling is good, Stability Analysis of Structures firmly, plug moves better reduction, input and output shaping steel tube rolling device easily.
For achieving the above object, the technical solution of the utility model:
A kind of shaping steel tube rolling device, comprise conveying mechanism, delivery device, rolling mechanism, output mechanism, described conveying mechanism comprises the clamping support one at two ends and two between two clamping supports one auxiliaryly send frame one, clamping support one is provided with main shaft and installs by supporting out frame, and support out top of the trellis and be connected to cylinder one, delivery device comprises two tops and send frame, top send packaged type in frame to be provided with movable stand, two tops send sidewall between frame to be provided with transmission case, transmission case both sides are connected with the screw mandrel being socketed on movable stand, rolling mechanism comprises the inner tube rolling device installing multiple roll frame, multiple roll frame is provided with some rolls, multiple roll frame is connected with balancing weight by connecting rod, the driven gear be connected with balancing weight engages with driving gear, driving gear is installed on band moving axis, output mechanism is provided with two jockey pulleys two, interlock seat is arranged at two tops and send between frame, and two ends connect universal driving shaft, universal driving shaft is each passed through conveying mechanism, delivery device and rolling mechanism, conveying mechanism side connects with input frame, export structure side connects with output shelf, and conveying mechanism, delivery device, rolled structure all connects according to order with output mechanism.
As preferably, the described frame that supports out is square, and lower end rotary type connects, and middle part is provided with in the annular groove that slide bar is placed on main shaft, and the cylinder one that upper end connects is that rotary type is connected with clamping support one.
As preferably, described carriage one side vertical is provided with two jockey pulleys one, and upper end jockey pulley one is packaged type, and the expansion link of cylinder two in carriage one and on cylinder two is connected to upper end jockey pulley one.
As preferably, be provided with between described conveying mechanism and delivery device and auxiliaryly send frame two, and the auxiliary frame two that send is identical with auxiliary frame one structure of sending.
As preferably, described transmission case and interlock seat are all connected with motor, and movable stand is provided with chuck, chuck is provided with push bracket, push bracket upper end is connected with movable stand by cylinder three.
As preferably, described input frame is provided with V-arrangement steel and Mobile base, and input frame two ends are provided with sensor, and support rod connects Mobile base and is placed in V-arrangement steel, and output shelf is provided with V-arrangement steel one, and V-arrangement steel one both sides are equipped with top flat.
As preferably, described conveying mechanism, between delivery device and rolling mechanism, be all installed with plug, and plug is by two positioning collets between main shaft, two jockey pulleys one, in chuck, transmission case, rolling mechanism and roll.
As preferably, described universal driving shaft subsection setup, and being connected by flange each other, universal driving shaft through auxiliaryly sending frame one, auxiliaryly sending frame two, movable stand and transmission case, and is connected with chuck with main shaft.
As preferably, described roll circumference has cross section semicircular in shape and the tube rolling groove of half circular diameter foundry goods reduction.
As preferably, the balancing weight position in described rolling mechanism and the mutually isolated setting of tube rolling device.
Beneficial conditions of the present utility model is: effect of rolling is good, and Stability Analysis of Structures is firm, and plug moves better reduction, and input and output are convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model input frame.
Fig. 2 is the structural representation of the utility model conveying mechanism.
Fig. 3 is the structural representation of the utility model delivery device.
Fig. 4 is the structural representation of the utility model rolling mechanism.
Fig. 5 is the plan structure schematic diagram of the utility model rolling mechanism.
Fig. 6 is the structural representation of the utility model output mechanism.
Fig. 7 is the structural representation of the utility model output shelf.
Detailed description of the invention
As Fig. 1, 2, 3, 4, 5, 6, shown in 7, a kind of shaping steel tube rolling device, comprise conveying mechanism, delivery device, rolling mechanism, output mechanism, described conveying mechanism comprises the clamping support 1 at two ends and two between two clamping supports 1 auxiliaryly send frame 1, clamping support 1 is provided with main shaft 2 and installs by supporting out frame 4, and support out frame 4 top and be connected to cylinder 1, delivery device comprises two tops and send frame 9, top send packaged type in frame 9 to be provided with movable stand 12, two tops send sidewall between frame 9 to be provided with transmission case 10, transmission case 10 both sides are connected with the screw mandrel 11 being socketed on movable stand 12, rolling mechanism comprises the inner tube rolling device 16 installing multiple roll frame 17, multiple roll frame 17 is provided with some rolls 18, multiple roll frame 17 is connected with balancing weight 20 by connecting rod 19, the driven gear 21 be connected with balancing weight 20 engages with driving gear 22, driving gear 22 is installed on band moving axis 23, output mechanism is provided with two jockey pulleys 2 31, interlock seat 26 is arranged at two tops and send between frame 9, and two ends connect universal driving shaft 25, universal driving shaft 25 is each passed through conveying mechanism, delivery device and rolling mechanism, conveying mechanism side connects with input frame 24, export structure side connects with output shelf 29, and conveying mechanism, delivery device, rolled structure all connects according to order with output mechanism.The described frame 4 that supports out is square, and lower end rotary type connects, and middle part is provided with in the annular groove that slide bar is placed on main shaft 2, and the cylinder 1 that upper end connects is that rotary type is connected with clamping support 1.Described auxiliary frame 1 side vertical that send is provided with two jockey pulleys 1, and upper end jockey pulley 1 is packaged type, and the expansion link of cylinder 27 in carriage 1 and on cylinder 27 is connected to upper end jockey pulley 1.Be provided with between described conveying mechanism and delivery device and auxiliaryly send frame 28, and the auxiliary frame 28 that send is identical with auxiliary frame 1 structure of sending.Described transmission case 10 and interlock seat 26 are all connected with motor, and movable stand 12 is provided with chuck 13, chuck 13 is provided with push bracket 14, push bracket 14 upper end is connected with movable stand 12 by cylinder 3 15.Described input frame 24 is provided with V-arrangement steel 25 and Mobile base 26, and input frame 24 two ends are provided with sensor 28, and support rod 27 connects Mobile base 26 and is placed in V-arrangement steel 25, and output shelf 29 is provided with V-arrangement steel one, and V-arrangement steel one both sides are equipped with top flat 30.Described conveying mechanism, between delivery device and rolling mechanism, be all installed with plug, and plug is by two positioning collets between main shaft 2, two jockey pulley 1, in chuck 13, transmission case 10, rolling mechanism and roll 18.Described universal driving shaft 25 subsection setup, and being connected by flange each other, universal driving shaft 25 through auxiliaryly sending frame 1, auxiliaryly sending frame 28, movable stand 12 and transmission case 10, and is connected with chuck 13 with main shaft 2.Described roll 18 circumferentially has cross section semicircular in shape and the tube rolling groove of half circular diameter foundry goods reduction.Balancing weight 20 position in described rolling mechanism and the mutually isolated setting of tube rolling device 16.When being rolled steel pipe, by the support rod 27 on input frame 24, steel pipe is headed into conveying mechanism, by the setting of input frame 24 liang of end sensors 28, input frame 24 is only moved in the spacing of sensor 28, two clamping supports 1 on conveying mechanism are for clamp setting alternately, when raw material steel pipe inputs, right side clamping support 1 unclamps, by auxiliary send frame 1 to carry time, left side clamping support 1 unclamps, the auxiliary frame 1 that send is carried by jockey pulley 1, and jockey pulley 1 can control degree of tightness by cylinder 27, transferring raw material steel pipe is effective, delivery device is sent into by the auxiliary frame 28 that send after being carried by conveying mechanism, the raw material steel pipe clamped by chuck 12 drives the movement progress raw material steel pipe of movable stand 12 to be rolled in rolling mechanism by screw mandrel 11, screw mandrel 11 is by the driven by motor on transmission case 10, the raw material steel pipe of continuous propelling movement carries out high-speed rolling by the roll 18 on tube rolling device 16, tube rolling device 16 moves through the driving gear 22 on band moving axis 23, connecting rod 19 on driven gear 21 on balancing weight 20 drives tube rolling device 16 to run, because tube rolling device 16 and balancing weight 20 part lead agency are provided separately, make drive mechanism unaffected, Long-Time Service is not easy to wear, the steel pipe that rolling completes is exported by the jockey pulley 2 31 on output mechanism, and output mechanism utilizes the top flat 30 in output shelf 29 to rout up collection after exporting, recovering effect is good, universal driving shaft 25 is driven by interlock seat 26, main shaft 2 and chuck 13 is made to drive plug together to rotate, be rolled in rotation, roll forming is effective, main shaft 2 carries out drive stretch out and retraction by supporting out frame 4, can regulate when making plug that skew occur.
Claims (10)
1. a shaping steel tube rolling device, comprise conveying mechanism, delivery device, rolling mechanism, output mechanism, it is characterized in that, described conveying mechanism comprises the clamping support one (1) at two ends and two between two clamping supports one (1) auxiliaryly send frame one (5), clamping support one (1) is provided with main shaft (2) and installs by supporting out frame (4), and support out frame (4) top and be connected to cylinder one (3), delivery device comprises two tops and send frame (9), top send frame (9) interior packaged type to be provided with movable stand (12), two tops send sidewall between frame (9) to be provided with transmission case (10), transmission case (10) both sides are connected with the screw mandrel (11) being socketed on movable stand (12), rolling mechanism comprises the inner tube rolling device (16) installing multiple roll frame (17), multiple roll frame (17) is provided with some rolls (18), multiple roll frame (17) is connected with balancing weight (20) by connecting rod (19), the driven gear (21) be connected with balancing weight (20) engages with driving gear (22), driving gear (22) is installed on band moving axis (23), output mechanism is provided with two jockey pulleys two (31), interlock seat (26) is arranged at two tops and send between frame (9), and two ends connect universal driving shaft (25), universal driving shaft (25) is each passed through conveying mechanism, delivery device and rolling mechanism, conveying mechanism side connects with input frame (24), export structure side connects with output shelf (29), and conveying mechanism, delivery device, rolled structure all connects according to order with output mechanism.
2. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, the described frame (4) that supports out is square, and lower end rotary type connects, middle part is provided with in the annular groove that slide bar is placed on main shaft (2), and the cylinder one (3) that upper end connects is connected with clamping support one (1) for rotary type.
3. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, described auxiliary frame one (5) side vertical that send is provided with two jockey pulleys one (6), and upper end jockey pulley one (6) is packaged type, the expansion link of cylinder two (7) in carriage one (5) and on cylinder two (7) is connected to upper end jockey pulley one (6).
4. a kind of shaping steel tube rolling device according to claim 1, is characterized in that, is provided with auxiliaryly to send frame two (8) between described conveying mechanism and delivery device, and the auxiliary frame two (8) that send is identical with auxiliary frame one (8) structure of sending.
5. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, described transmission case (10) and interlock seat (26) are all connected with motor, movable stand (12) is provided with chuck (13), chuck (13) is provided with push bracket (14), push bracket (14) upper end is connected with movable stand (12) by cylinder three (15).
6. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, described input frame (24) is provided with V-arrangement steel (25) and Mobile base (26), input frame (24) two ends are provided with sensor (28), support rod (27) connects Mobile base (26) and is placed in V-arrangement steel (25), output shelf (29) is provided with V-arrangement steel one, and V-arrangement steel one both sides are equipped with top flat (30).
7. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, described conveying mechanism, between delivery device and rolling mechanism, be all installed with plug, and plug is by two positioning collets between main shaft (2), two jockey pulleys one (6), in chuck (13), transmission case (10), rolling mechanism and roll (18).
8. a kind of shaping steel tube rolling device according to claim 1, it is characterized in that, described universal driving shaft (25) subsection setup, and be connected by flange each other, universal driving shaft (25) send frame one (5), auxiliary frame two (8), movable stand (12) and the transmission case (10) of sending through auxiliary, and is connected with chuck (13) with main shaft (2).
9. a kind of shaping steel tube rolling device according to claim 1, is characterized in that, described roll (18) circumferentially has cross section semicircular in shape and the tube rolling groove of half circular diameter foundry goods reduction.
10. a kind of shaping steel tube rolling device according to claim 1, is characterized in that, balancing weight (20) position in described rolling mechanism and tube rolling device (16) mutually isolated setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405340.2U CN204817485U (en) | 2015-06-13 | 2015-06-13 | Shaping steel pipe rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405340.2U CN204817485U (en) | 2015-06-13 | 2015-06-13 | Shaping steel pipe rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204817485U true CN204817485U (en) | 2015-12-02 |
Family
ID=54675127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520405340.2U Withdrawn - After Issue CN204817485U (en) | 2015-06-13 | 2015-06-13 | Shaping steel pipe rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204817485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942028A (en) * | 2015-06-13 | 2015-09-30 | 浙江中星钢管机械有限公司 | Formed steel pipe rolling device |
-
2015
- 2015-06-13 CN CN201520405340.2U patent/CN204817485U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942028A (en) * | 2015-06-13 | 2015-09-30 | 浙江中星钢管机械有限公司 | Formed steel pipe rolling device |
| CN104942028B (en) * | 2015-06-13 | 2019-04-05 | 浙江中星钢管机械有限公司 | A kind of shaping steel tube rolling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20180710 |