CN215033036U - Steel pipe head shrinking machine - Google Patents
Steel pipe head shrinking machine Download PDFInfo
- Publication number
- CN215033036U CN215033036U CN202121630552.2U CN202121630552U CN215033036U CN 215033036 U CN215033036 U CN 215033036U CN 202121630552 U CN202121630552 U CN 202121630552U CN 215033036 U CN215033036 U CN 215033036U
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- steel pipe
- conveying mechanism
- end reducing
- necking
- section
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 121
- 239000010959 steel Substances 0.000 title claims abstract description 121
- 238000000465 moulding Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a steel tube end reducing machine, which comprises a machine case, wherein the machine case is provided with an end reducing opening, the machine case is provided with a fixed seat at the rear position of the end reducing opening, the fixed seat is fixedly connected with a steel tube end reducing mould, the steel tube end reducing mould is provided with a steel tube end reducing channel, the steel tube end reducing channel comprises an inlet section, an end reducing section and a forming section which are sequentially arranged from front to back, the end reducing section is connected between the inlet section and the forming section in a funnel shape, a plurality of end reducing convex edge strips are circumferentially distributed in the end reducing section, the end reducing convex edge strips are gradually increased from front to back and gradually increased from narrow to narrow, the forming section is internally provided with forming convex edge strips, the front ends of the forming convex edge strips are connected with the rear ends of the end reducing convex edge strips, the machine case is provided with a steel tube clamping and conveying mechanism for extruding steel tubes into the steel tube end reducing channel, the utility model discloses job stabilization is reliable, and the steel pipe deformation state that processes out is unified.
Description
Technical Field
The utility model relates to a steel pipe processing equipment, especially a steel pipe machine that contracts head.
Background
The end reducing machine is a device for reducing the pipe end of a steel pipe, and has the function that a narrowed steel pipe head with the diameter being obviously smaller than the diameter of a seamless steel pipe body is formed at one end of a seamless steel pipe blank (namely a hollow billet) after the previous perforating process is finished, so that a caliper of a cold drawing machine is used for drawing the steel pipe head in a clamping state.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel pipe machine of reducing, its job stabilization is reliable, and the steel pipe deformation state that processes out is unified, has solved the above-mentioned problem that exists in the use among the prior art.
The technical scheme of the utility model is realized like this: a steel pipe end reducing machine comprises a machine case, wherein the middle part of the machine case is provided with an end reducing opening, the machine case is fixedly connected with a fixed seat at the rear side position of the end reducing opening, a steel pipe head-shrinking die is fixedly connected to the fixed seat, a steel pipe head-shrinking channel is arranged on the steel pipe head-shrinking die, the steel pipe necking passage penetrates through the steel pipe necking die from front to back, the steel pipe necking passage comprises an inlet section, a necking section and a forming section which are sequentially arranged from front to back, the necking section is connected between the inlet section and the forming section in a funnel shape, a plurality of necking convex ribs are circumferentially distributed in the necking section, the necking convex ribs are gradually increased from front to back from low to high, the width of the molding section is gradually increased from narrow to wide, a molding convex edge strip is arranged in the molding section, the front end of the molding convex edge strip is connected with the rear end of the head-shrinking convex edge strip, and the machine case is provided with a steel pipe clamping and conveying mechanism for extruding the steel pipe into the steel pipe necking channel.
Preferably, steel pipe centre gripping conveying mechanism is including fixture and conveying mechanism, fixture installs on conveying mechanism, fixture is including left grip slipper, right grip slipper, left hydro-cylinder and right hydro-cylinder, left side grip slipper and right grip slipper use the steel pipe to contract the first passageway and be bilateral symmetry setting as the center, all opened the centre gripping notch on left grip slipper and the right grip slipper, the output shaft of left side hydro-cylinder is on the left side of left grip slipper, the output shaft of right hydro-cylinder is connected on the right side of right grip slipper.
Preferably, conveying mechanism is including left side conveying mechanism and right side conveying mechanism, left side hydro-cylinder is installed on left side conveying mechanism, right side hydro-cylinder is installed on right side conveying mechanism, left side conveying mechanism and right side conveying mechanism all include hydro-cylinder fixing base, motor, lead screw and nut seat, equal fixedly connected with guide pin bushing on the upper and lower both sides of hydro-cylinder fixing base, fixedly connected with and the corresponding guide pillar of guide pin bushing on the quick-witted case, the cover that the guide pin bushing can move about is established on the guide pillar, nut seat fixed connection is on the middle part position of hydro-cylinder fixing base, the motor is fixed on the front side position of quick-witted incasement portion, the lead screw is connected on the output shaft of motor, nut seat screw-thread fit is on the lead screw.
Preferably, the left clamping seat and the right clamping seat are both provided with limiting openings, limiting rods corresponding to the limiting openings are fixedly connected to the steel pipe head shrinking die, and the limiting rods penetrate through the limiting openings.
Preferably, a positioning ring is arranged at the front side of the opening of the head, a steel pipe positioning hole is formed in the positioning ring, the steel pipe positioning hole and the steel pipe head-shrinking channel are coaxially arranged, and the positioning ring is fixed on the case through a fixing column.
Preferably, a chamfer is arranged at the front end of the steel pipe positioning hole.
Preferably, the diameter of the forming section is 1: 2-2.5 compared with the diameter of the inlet section.
To sum up, the beneficial effects of the utility model reside in that:
1. when carrying out the necking down to the steel pipe and adding, put into on the necking down opening of steel pipe necking down passageway with the pipe end of steel pipe earlier, then steel pipe centre gripping conveying mechanism extrudees the steel pipe into in the steel pipe necking down passageway, when the pipe end of steel pipe is through the necking down section, produce gradually through the inside extrusion of the protruding rib of necking down and warp to reduce the diameter, until entering into the shaping section in, accomplish the work of necking down, steel pipe centre gripping conveying mechanism will accomplish the steel pipe of the work of necking down and extract from the steel pipe necking down passageway at last, the utility model discloses job stabilization is reliable, and the steel pipe deformation state that processes out is unified.
2. The clamping mechanism respectively controls the left clamping seat and the right clamping seat to clamp the steel pipe through the left oil cylinder and the right oil cylinder, wherein the left oil cylinder is installed on the left conveying mechanism, the right oil cylinder is installed on the right conveying mechanism, the left conveying mechanism and the right conveying mechanism work together, the motor drives the lead screw to rotate, the lead screw drives the nut seat to drive the oil cylinder fixing seat to move, and therefore the left clamping seat, the right clamping seat and the clamped steel pipe are driven to move.
3. The limiting rod penetrates through limiting openings in the left clamping seat and the right clamping seat and is used for limiting the left clamping seat and the right clamping seat up and down, so that the left clamping seat and the right clamping seat are prevented from generating vertical position deviation, and a steel pipe cannot be inserted into the steel pipe necking channel in the clamping of the left clamping seat and the right clamping seat.
4. Make the steel pipe pass the steel pipe locating hole on the holding ring earlier, make the steel pipe enter into on the steel pipe throat passageway again to be favorable to keeping the balance of steel pipe, make the utility model discloses can be better carry out the processing of throat to the steel pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the present invention with the positioning ring removed;
FIG. 3 is a schematic structural view of the present invention with a portion of the side wall of the case removed;
FIG. 4 is a schematic view of the cross-sectional structure of the middle steel tube necking die of the present invention;
fig. 5 is a rear view of the present invention:
fig. 6 is an enlarged view of the structure of the steel pipe heading die in fig. 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 6 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 6, the utility model discloses a steel tube end reducing machine, which comprises a machine case 1, wherein a reducing opening 2 is arranged at the middle part of the machine case 1, a fixed seat 3 is fixedly connected at the rear position of the reducing opening 2 of the machine case 1, a steel tube end reducing mold 4 is fixedly connected on the fixed seat 3, a steel tube end reducing passage 5 is arranged on the steel tube end reducing mold 4, the steel tube end reducing passage 5 passes through the steel tube end reducing mold 4 from front to rear, the steel tube end reducing passage 5 comprises an inlet section 6, an end reducing section 7 and a forming section 8 which are sequentially arranged from front to rear, the end reducing section 7 is connected between the inlet section 6 and the forming section 8 in a funnel shape, a plurality of reducing convex edge strips 9 are distributed in the end reducing section 7 in a circumferential manner, the reducing convex edge strips 9 gradually increase from front to rear and gradually increase from narrow to wide, forming convex edge strips 10 are arranged in the forming section 8, the front end of the forming convex rib 10 is connected with the rear end of the head-reducing convex rib 9, and the machine case 1 is provided with a steel pipe clamping and conveying mechanism for extruding the steel pipe into the steel pipe head-reducing channel 5.
The utility model discloses when carrying out the necking-in to the steel pipe and adding, put into steel pipe necking-in passageway 5's necking-in opening 2 earlier with the pipe end of steel pipe, then steel pipe centre gripping conveying mechanism extrudees the steel pipe into in steel pipe necking-in passageway 5, the pipe end of steel pipe is when necking-in section 7, produces gradually through the inside extrusion of the protruding rib 9 of necking-in to warp to reduce the diameter, until entering into shaping section 8 in, accomplish the work of necking-in, steel pipe centre gripping conveying mechanism will accomplish the steel pipe of the work of necking-in at last and extract from steel pipe necking-in passageway 5, the utility model discloses job stabilization is reliable, and the steel pipe deformation state that processing was come out is unified.
Wherein, steel pipe centre gripping conveying mechanism is including fixture and conveying mechanism, fixture installs on conveying mechanism, fixture is including left grip slipper 11, right grip slipper 12, left hydro-cylinder 13 and right hydro-cylinder 14, left grip slipper 11 and right grip slipper 12 use steel pipe throat passageway 5 to be bilateral symmetry setting as the center, all open centre gripping notch 15 on left grip slipper 11 and the right grip slipper 12, the output shaft of left side hydro-cylinder 13 is on the left side of left grip slipper 11, the output shaft of right hydro-cylinder 14 is connected on the right side of right grip slipper 12, conveying mechanism including left side conveying mechanism and right side conveying mechanism, left side hydro-cylinder 13 is installed on left side conveying mechanism, right hydro-cylinder 14 is installed on right side conveying mechanism, left side conveying mechanism and right side conveying mechanism all include hydro-cylinder fixing base 16, The oil cylinder fixing seat comprises a motor 17, a screw rod 18 and a nut seat 19, guide sleeves 20 are fixedly connected to the upper side and the lower side of an oil cylinder fixing seat 16, guide posts 21 corresponding to the guide sleeves 20 are fixedly connected to the case 1, the guide sleeves 20 can be movably sleeved on the guide posts 21 in a front-back mode, the nut seat 19 is fixedly connected to the middle position of the oil cylinder fixing seat 16, the motor 17 is fixed to the front position inside the case 1, the screw rod 18 is connected to an output shaft of the motor 17, and the nut seat 19 is in threaded fit with the screw rod 18.
The clamping mechanism on the steel pipe clamping and conveying mechanism respectively controls the left clamping seat 11 and the right clamping seat 12 to clamp the steel pipe through the left oil cylinder 13 and the right oil cylinder 14, then the left side conveying mechanism works together with the right side conveying mechanism, the motor 17 drives the screw rod 18 to rotate, the screw rod 18 drives the nut seat 19 to drive the oil cylinder fixing seat 16 to move, and therefore the left clamping seat 11, the right clamping seat 12 and the clamped steel pipe are driven to move.
The utility model discloses in, spacing opening 22 has all been opened on left side grip slipper 11 and the right grip slipper 12, fixedly connected with and the corresponding gag lever post 23 of spacing opening 22 on the steel pipe throat mould 4, gag lever post 23 passes spacing opening 22, and this structure can be spacing about left grip slipper 11 and right grip slipper 12 carry out, prevents that deviation of position from top to bottom from left grip slipper 11 and right grip slipper 12 produce to lead to the steel pipe can not insert in steel pipe throat passageway 5 in the centre gripping of left grip slipper 11 and right grip slipper 12.
In order to keep the balance of steel pipe, make the utility model discloses what can be better contracts the head processing to the steel pipe, it is equipped with holding ring 24 on the front side position of first opening 2 to contract, it has steel pipe locating hole 25 to open on the holding ring 24, steel pipe locating hole 25 contracts the head passageway 5 with the steel pipe and is coaxial setting, fix on quick-witted case 1 through there being fixed column 26 on holding ring 24. In order to enable the steel pipe to be inserted into the steel pipe positioning hole 25, a chamfer 27 is chamfered at the tip of the steel pipe positioning hole 25.
In the utility model, the diameter of the forming section 8 is 1: 2-2.5 compared with the diameter of the inlet section 6, namely, the utility model can reduce the diameter of a steel pipe by more than half at least.
The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel pipe necking machine which characterized in that: comprises a case, a head-shrinking opening is arranged on the middle part of the case, a fixed seat is fixedly connected on the case at the rear side of the head-shrinking opening, a steel pipe head-shrinking die is fixedly connected to the fixed seat, a steel pipe head-shrinking channel is arranged on the steel pipe head-shrinking die, the steel pipe necking passage penetrates through the steel pipe necking die from front to back, the steel pipe necking passage comprises an inlet section, a necking section and a forming section which are sequentially arranged from front to back, the necking section is connected between the inlet section and the forming section in a funnel shape, a plurality of necking convex ribs are circumferentially distributed in the necking section, the necking convex ribs are gradually increased from front to back from low to high, the width of the molding section is gradually increased from narrow to wide, a molding convex edge strip is arranged in the molding section, the front end of the molding convex edge strip is connected with the rear end of the head-shrinking convex edge strip, and the machine case is provided with a steel pipe clamping and conveying mechanism for extruding the steel pipe into the steel pipe necking channel.
2. The steel pipe end reducing machine according to claim 1, characterized in that: steel pipe centre gripping conveying mechanism is including fixture and conveying mechanism, fixture installs on conveying mechanism, fixture is including left grip slipper, right grip slipper, left hydro-cylinder and right hydro-cylinder, left side grip slipper and right grip slipper use the steel pipe to contract the first passageway and be bilateral symmetry setting as the center, all opened the centre gripping notch on left grip slipper and the right grip slipper, the output shaft of left side hydro-cylinder is on the left side of left grip slipper, the output shaft of right hydro-cylinder is connected on the right side of right grip slipper.
3. The steel pipe end reducing machine according to claim 2, characterized in that: conveying mechanism is including left side conveying mechanism and right side conveying mechanism, left side hydro-cylinder is installed on left side conveying mechanism, right side hydro-cylinder is installed on right side conveying mechanism, left side conveying mechanism and right side conveying mechanism all include hydro-cylinder fixing base, motor, lead screw and nut seat, equal fixedly connected with guide pin bushing on the upper and lower both sides of hydro-cylinder fixing base, fixedly connected with and the corresponding guide pillar of guide pin bushing on the quick-witted case, the cover that the guide pin bushing can move about is established on the guide pillar, nut seat fixed connection is on the middle part position of hydro-cylinder fixing base, the motor is fixed on the front side position of quick-witted incasement portion, the lead screw is connected on the output shaft of motor, nut seat screw-thread fit is on the lead screw.
4. The steel pipe end reducing machine according to claim 3, characterized in that: limiting openings are formed in the left clamping seat and the right clamping seat, limiting rods corresponding to the limiting openings are fixedly connected to the steel pipe necking die, and the limiting rods penetrate through the limiting openings.
5. The steel pipe end reducing machine according to claim 4, characterized in that: the positioning device is characterized in that a positioning ring is arranged at the front side of the opening of the shrinking head, a steel pipe positioning hole is formed in the positioning ring, the steel pipe positioning hole and the steel pipe shrinking head channel are coaxially arranged, and the positioning ring is fixed on the case through a fixing column.
6. The steel pipe end reducing machine according to claim 5, characterized in that: and a chamfer is inverted at the front end of the steel pipe positioning hole.
7. The steel pipe end reducing machine according to claim 1, characterized in that: the diameter of the forming section is 1: 2-2.5 compared with the diameter of the inlet section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121630552.2U CN215033036U (en) | 2021-07-17 | 2021-07-17 | Steel pipe head shrinking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121630552.2U CN215033036U (en) | 2021-07-17 | 2021-07-17 | Steel pipe head shrinking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215033036U true CN215033036U (en) | 2021-12-07 |
Family
ID=79221602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121630552.2U Active CN215033036U (en) | 2021-07-17 | 2021-07-17 | Steel pipe head shrinking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215033036U (en) |
-
2021
- 2021-07-17 CN CN202121630552.2U patent/CN215033036U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 323000 Xiaoshi Industrial Zone, Wenxi Town, Qingtian County, Lishui City, Zhejiang Province Patentee after: Qingshan Steel Pipe Co.,Ltd. Address before: 323900 Xiao Zhi Industrial Zone, Wenxi Town, Qingtian County, Lishui, Zhejiang Patentee before: ZHEJIANG QINGSHAN STEEL PIPE Co.,Ltd. |