CN210188262U - Elbow pipe clamping die based on lever - Google Patents
Elbow pipe clamping die based on lever Download PDFInfo
- Publication number
- CN210188262U CN210188262U CN201920902835.4U CN201920902835U CN210188262U CN 210188262 U CN210188262 U CN 210188262U CN 201920902835 U CN201920902835 U CN 201920902835U CN 210188262 U CN210188262 U CN 210188262U
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- CN
- China
- Prior art keywords
- lever
- die
- die holder
- driving rod
- disc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a return bend centre gripping mould based on lever, include: lever, mould dish, fixed die holder and removal die holder, be provided with the baffle on the removal die holder, radially be provided with the actuating lever that runs through the baffle on the mould dish, be provided with the bearing frame that corresponds with the actuating lever on mould dish and the fixed die holder respectively, be provided with the pneumatic cylinder on the mould dish, the lever sets up between the telescopic shaft of pneumatic cylinder and actuating lever, the one end of lever is provided with the first C type channel-section steel that corresponds with the actuating lever, be provided with the waist hole on the first C type channel-section steel, be provided with the first round pin axle that extends to in the waist hole on the actuating lever. In this way, return bend centre gripping mould based on lever, carry out the pulling of actuating lever through the lever to enlarge drive power, make fixed die holder and removal die holder realize the compound die, realize the centre gripping to steel pipe wherein, stable in structure, use and the low cost of maintaining.
Description
Technical Field
The utility model relates to a return bend machinery especially relates to a return bend centre gripping mould based on lever.
Background
The pipe bender is a common device for bending steel pipes, can realize continuous bending of the steel pipes, and has flexible modeling, so that the bent steel pipes are widely used.
When the steel pipe is bent, the end part of the steel pipe needs to be clamped, and then the steel pipe is bent through rotation of the die. Because the deformation of the inner side and the outer side is different during bending, the steel pipe generates tensile stress to resist deformation, the requirement on the clamping force is high, in the prior art, a screw rod device is mostly adopted to drive a clamping part, the structure is complex, the durability is poor, the use and maintenance cost is high, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a return bend centre gripping mould based on lever, promotes the centre gripping stability to the return bend, reduces and uses and the maintenance cost.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a lever-based elbow clamping die comprising: the die comprises a lever, a die disc, a fixed die holder and a movable die holder, wherein the fixed die holder is tangentially arranged on the excircle of the die disc, the movable die holder is arranged on the outer side of the fixed die holder in parallel, a baffle is arranged on the movable die holder, a driving rod penetrating through the baffle is radially arranged on the die disc, the die disc and the fixed die holder are respectively provided with a bearing seat corresponding to the driving rod, the die disc is provided with a hydraulic cylinder, the lever is arranged between a telescopic shaft of the hydraulic cylinder and the driving rod, one end of the lever is provided with a first C-shaped channel steel corresponding to the driving rod, a waist hole is arranged on the first C-shaped channel steel, a first pin shaft extending into the waist hole is arranged on the driving rod, the other end of the lever is provided with a second C-shaped channel steel clamped on the telescopic shaft of the hydraulic cylinder, and the telescopic shaft of the, and a third pin shaft which upwards penetrates through the lever is arranged on the die disc.
In a preferred embodiment of the present invention, the outer circle of the mold plate is provided with an annular groove, and the inner sides of the fixed mold base and the movable mold base are respectively provided with a clamping groove having a semicircular cross section.
In a preferred embodiment of the present invention, linear bearings corresponding to the driving rods are respectively disposed in the bearing seats.
In a preferred embodiment of the present invention, the first pin is provided with a roller or a shaft sleeve located in the waist hole.
In a preferred embodiment of the present invention, the driving rod is provided with nuts located at both sides of the baffle, and the driving rod is provided with a section of external thread corresponding to the nut.
In a preferred embodiment of the present invention, the die plate is provided with a fourth pin for fixing the tail of the hydraulic cylinder.
The utility model has the advantages that: the utility model provides a return bend centre gripping mould based on lever, when the telescopic shaft of pneumatic cylinder is ejecting, carry out the pulling of actuating lever through the lever to enlarge drive power, make fixed die holder and removal die holder realize the compound die, realize the centre gripping to steel pipe wherein, then the mould dish is rotatory under the drive of reduction gear, realizes the bending of steel pipe, has avoided the use of lead screw, stable in structure, and the cost of use and maintenance is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a lever-based elbow clamping mold according to the present invention;
fig. 2 is a schematic structural view of the movable die holder in fig. 1 after the movable die holder is moved outwards and unlocked.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but 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.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
a lever-based elbow clamping die as shown in fig. 1, comprising: the steel pipe clamping device comprises a lever 2, a die disc 1, a fixed die holder 3 and a movable die holder 4, wherein the fixed die holder 3 is tangentially arranged on the outer circle of the die disc 1, the movable die holder 4 is arranged on the outer side of the fixed die holder 3 in parallel, an annular groove corresponding to a steel pipe is arranged on the outer circle of the die disc 1, clamping grooves with semicircular sections are respectively arranged on the inner sides of the fixed die holder 3 and the movable die holder 4, and clamping of the steel pipe is achieved during die assembly.
As shown in fig. 2, the movable die holder 4 is provided with a guide rod 18 inserted into the fixed die holder 3, and the fixed die holder 3 is provided with a guide sleeve corresponding to the guide rod 18, so as to realize accurate guide when the fixed die holder 3 and the movable die holder 4 are clamped.
The movable die holder is characterized in that a baffle 10 is arranged on the movable die holder 4, a driving rod 11 penetrating through the baffle 10 is radially arranged on the die disc 1, nuts 9 located on two sides of the baffle 10 are arranged on the driving rod 11, clamping of the baffle 10 is achieved, and one section of external thread corresponding to the nut 9 is arranged on the driving rod 11, so that adjustment of the nut 9 is facilitated.
The die disc 1 and the fixed die holder 3 are respectively provided with a bearing seat 8 corresponding to the driving rod 11, and the bearing seats 8 are respectively provided with a linear bearing corresponding to the driving rod 11, so that the stability of the driving rod 11 in axial movement is improved.
Be provided with pneumatic cylinder 5 on the mould dish 1, pneumatic cylinder 5 utilizes the hydraulic pump to carry out flexible drive, controls through the solenoid valve, is favorable to realizing automated production. The lever 2 is arranged between the telescopic shaft of the hydraulic cylinder 5 and the driving rod 11, the third pin shaft 15 which upwards penetrates through the lever 2 is arranged on the die disc 1, the lever 2 can swing conveniently, the transmission of torque is realized, the distance between the third pin shaft 15 and the telescopic shaft of the hydraulic cylinder 5 is long, and the arm length is favorable for improving the driving force of the driving rod 11.
One end of the lever 2 is provided with a first C-shaped channel steel 6 corresponding to the driving rod 11, a waist hole 7 is formed in the first C-shaped channel steel, a first pin shaft 16 extending into the waist hole 7 is arranged on the driving rod 11, and when the lever 2 swings, the waist hole 7 is matched with the first pin shaft 16 to realize the push-pull operation of the driving rod 11. The first pin shaft 16 is provided with a roller or a shaft sleeve 17 positioned in the waist hole 7, and the problems of resistance and abrasion are reduced by using rolling friction.
The other end of lever 2 is provided with the second C type channel bar 12 of card on the telescopic shaft of pneumatic cylinder 5, the telescopic shaft of second C type channel bar 12 and pneumatic cylinder 5 adopts second round pin axle 13 to be connected, makes things convenient for the telescopic shaft of pneumatic cylinder 5 to stretch out and draw back and drives lever 2's swing. And a fourth pin shaft 14 for fixing the tail part of the hydraulic cylinder 5 is arranged on the die disc 1, so that the swing of the hydraulic cylinder 5 is facilitated, and the angle change of the lever 2 is adapted.
To sum up, the utility model provides a return bend centre gripping mould based on lever utilizes pneumatic cylinder 5 and lever 2's cooperation, has enlarged the drive power to actuating lever 11, realizes fixed die holder 3 and the stable centre gripping of removal die holder 4 to the steel pipe, and the structure is succinct, and fortune dimension is with low costs.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A lever-based elbow clamping die, comprising: the die comprises a lever, a die disc, a fixed die holder and a movable die holder, wherein the fixed die holder is tangentially arranged on the excircle of the die disc, the movable die holder is arranged on the outer side of the fixed die holder in parallel, a baffle is arranged on the movable die holder, a driving rod penetrating through the baffle is radially arranged on the die disc, the die disc and the fixed die holder are respectively provided with a bearing seat corresponding to the driving rod, the die disc is provided with a hydraulic cylinder, the lever is arranged between a telescopic shaft of the hydraulic cylinder and the driving rod, one end of the lever is provided with a first C-shaped channel steel corresponding to the driving rod, a waist hole is arranged on the first C-shaped channel steel, a first pin shaft extending into the waist hole is arranged on the driving rod, the other end of the lever is provided with a second C-shaped channel steel clamped on the telescopic shaft of the hydraulic cylinder, and the telescopic shaft of the, and a third pin shaft which upwards penetrates through the lever is arranged on the die disc.
2. The lever-based elbow clamping mold according to claim 1, wherein the outer circumference of the mold plate is provided with an annular groove, and the inner sides of the fixed mold base and the movable mold base are respectively provided with a clamping groove having a semicircular section.
3. The lever based elbow clamping die of claim 1 wherein linear bearings are provided in the bearing blocks corresponding to the drive rods, respectively.
4. The lever-based elbow clamping mold of claim 1, wherein the first pin is provided with a roller or bushing in a kidney hole.
5. The lever-based elbow clamping die of claim 1 wherein the drive bar is provided with nuts on both sides of the baffle, and the drive bar is provided with an external thread corresponding to the nuts.
6. The lever-based elbow clamping die of claim 1 wherein the die plate is provided with a fourth pin for securing the rear of the hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902835.4U CN210188262U (en) | 2019-06-17 | 2019-06-17 | Elbow pipe clamping die based on lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902835.4U CN210188262U (en) | 2019-06-17 | 2019-06-17 | Elbow pipe clamping die based on lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210188262U true CN210188262U (en) | 2020-03-27 |
Family
ID=69870712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902835.4U Expired - Fee Related CN210188262U (en) | 2019-06-17 | 2019-06-17 | Elbow pipe clamping die based on lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210188262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775231A (en) * | 2020-12-21 | 2021-05-11 | 刘亮 | Bending device for metal processing |
-
2019
- 2019-06-17 CN CN201920902835.4U patent/CN210188262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112775231A (en) * | 2020-12-21 | 2021-05-11 | 刘亮 | Bending device for metal processing |
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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: 20200327 Termination date: 20210617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |