CN211515691U - Pipe bending die - Google Patents
Pipe bending die Download PDFInfo
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- CN211515691U CN211515691U CN201921797872.XU CN201921797872U CN211515691U CN 211515691 U CN211515691 U CN 211515691U CN 201921797872 U CN201921797872 U CN 201921797872U CN 211515691 U CN211515691 U CN 211515691U
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- bending
- bending die
- pipe
- block
- die
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Abstract
The utility model discloses a pipe bending die, which comprises a die platform; a pipe bending die, wherein a pipe bending die straight edge is formed at the end part of the pipe bending die; the clamping block has a certain gap with the straight edge of the pipe bending die, the gap forms an accommodating space of the pipe workpiece, and the clamping block is slidably arranged on the guide rail; the driving mechanism is used for driving the clamping blocks to slide; the mandrel component is inserted in the pipe workpiece and comprises a mandrel rod and a mandrel head arranged at the front end of the mandrel rod, the rear end of the mandrel rod is connected with the drawing mechanism, and the mandrel head gradually moves backwards along with the bending; and the bending pushing mechanism comprises a linear driving piece fixed on the die platform, the tail end of the linear driving piece is connected with a pushing block, and the pushing block is pressed against the outer side of the pipe workpiece. The utility model provides a pipe bending die, which has strong practicability, can be suitable for most pipe bending workpieces and has popularization; the appearance of the bent pipe is greatly improved and the cost is reduced; the qualification rate of the product is ensured.
Description
Technical Field
The utility model relates to a mould equipment technical field especially relates to a bending die.
Background
With the continuous development of the market machinery industry, the quality of all aspects of parts is pursued to be higher, wherein the requirement for bending the elbow is higher and higher. The technical defects of the existing pipe bending die are that when the pipe is bent, the bent part is not smooth, the inner ring has wrinkles, the roundness of the pipe is unqualified, and the like, so that the appearance problem of the pipe can be finished only by adopting a manual grinding mode, and the cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned technique, the utility model provides a bending die.
The utility model provides a technical scheme that its technical problem adopted is:
a bending die, comprising: the die platform is fixedly arranged on a frame of the pipe bending die device; the bending die is detachably and fixedly arranged on the die platform, and a bending die straight edge is formed at the end part of the bending die; the clamping block has a certain gap with the straight edge of the pipe bending die, the gap forms an accommodating space for a pipe workpiece to be bent, and the clamping block is slidably mounted on the guide rail; the driving mechanism is arranged on the side surface of the guide rail and is used for driving the clamping blocks to slide; the mandrel assembly is inserted in the pipe workpiece and comprises a mandrel rod and a mandrel head arranged at the front end of the mandrel rod, the rear end of the mandrel rod is connected with the drawing mechanism, and the mandrel head gradually moves backwards along with the bending; and the bending pushing mechanism comprises a linear driving piece fixed on the die platform, the tail end of the linear driving piece is connected with a pushing block, and the pushing block is pressed against the outer side of the pipe workpiece.
Preferably, the mandrel head and the mandrel bar are detachably connected, and the mandrel head moves backward along the bending tendency of the pipe workpiece.
Preferably, the pipe bending die comprises pipe bending die units of various sizes, and the pipe bending die units of corresponding sizes are fixed on the die platform during pipe bending operation.
Preferably, the linear driving member is one of an air cylinder and an electric push rod.
Preferably, the mould platform is further provided with a crease-resistant block, and the crease-resistant block is close to the pipe bending mould.
Preferably, the driving mechanism comprises a base which is fixedly arranged on the mould platform; the mounting plate is fixedly mounted at the top of the base; the driving connecting rod is pivoted on the mounting plate through a first pin shaft, and an elastic pressure head is fixedly mounted at the end part of the driving connecting rod; the left deflector rod is pivoted on one outer side of the mounting plate through a second pin shaft; the right deflector rod is pivoted on the other outer side of the mounting plate through a second pin shaft, and the top of the right deflector rod and the top of the left deflector rod are fixed into a whole and are sleeved with an elastic handle; one end of the linkage block is pivoted on the driving connecting rod through a third pin shaft, and the other end of the linkage block is pivoted between the left driving lever and the right driving lever through a fourth pin shaft;
one end of the linkage block is formed with a linkage limiting block, and the side of the mounting plate is formed with a turning limiting block for limiting the rotation angle of the left shift lever; the top of the mounting plate is formed with an inclined plane part.
Preferably, the end part of the driving connecting rod is provided with a pressing block mounting hole;
the top of the elastic pressure head is fixed with a screw rod which can be inserted into the press block mounting hole, the screw rods positioned on the upper side and the lower side of the driving connecting rod are respectively screwed with a positioning nut, and the screw rods positioned on the positioning nut and the driving connecting rod are sleeved with a baffle plate.
Preferably, the push block is hinged to the linear driving piece through a connecting lug plate, and a buffer layer is arranged on the end face, contacting with the pipe workpiece, of the push block.
Compared with the prior art, the utility model, its beneficial effect is: the utility model provides a pipe bending die, which has strong practicability, can be suitable for most pipe bending workpieces and has popularization; the appearance of the bent pipe is greatly improved and the cost is reduced; the qualification rate of the product is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of a driving mechanism in the present invention;
fig. 3 is an exploded view of the structure of the driving mechanism of the present invention.
In the figure: 6. a mould platform 101, a pipe bending mould 2 and a straight side of the pipe bending mould; 104. the clamping device comprises a clamping block, 107, a pipe workpiece, 3, a guide rail, 7, a driving mechanism, 106, a mandrel rod, 103, a mandrel head, 105, a pushing block, 4, a linear driving piece, 5, a connecting lug plate, 102, a crease-resistant block, 70, a base, 711, a mounting plate, 72, a driving connecting rod, 772, a first pin shaft, 76, an elastic pressure head, 731, a left driving lever, 771, a second pin shaft, 732, a right driving lever, 733, an elastic handle, 74, a linkage block, 773, a third pin shaft, 774, a fourth pin shaft, 741, a linkage limiting block, 712, a turnover limiting block, 710, an inclined plane part, 751, a screw rod, 753, a positioning nut, 752 and a blocking plate.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-3, the utility model provides a bending die, include:
a die platform 6 which is fixedly arranged on a frame of the pipe bending die device;
the bending die 101 is detachably and fixedly arranged on the die platform 6, and a bending die straight edge 2 is formed at the end part of the bending die 101;
the clamping block 104 has a certain gap with the straight side 2 of the pipe bending die, the gap forms an accommodating space of a pipe workpiece 107 to be bent, and the clamping block 104 is slidably mounted on the guide rail 3;
a driving mechanism 7, which is arranged on the side surface of the guide rail 3 and is used for driving the sliding of the clamping block 104;
a mandrel assembly inserted into the inside of the pipe workpiece 107, including a mandrel bar 106 and a mandrel head 103 disposed at a front end of the mandrel bar 106, wherein a rear end of the mandrel bar 106 is connected to a drawing mechanism (not shown), and the mandrel head 103 is gradually moved backward as the bending is performed; and
and the bending pushing mechanism comprises a linear driving part 4 fixed on the die platform 6, and the tail end of the linear driving part 4 is connected with a pushing block 105 which is pressed against the outer side of the pipe workpiece 107.
Wherein the mandrel head 103 and the mandrel bar are detachably connected, and the mandrel head 103 moves backward along the bending tendency of the pipe workpiece 107.
As an embodiment of the present invention, the pipe bending die 101 includes a plurality of sizes of pipe bending die units, and during the pipe bending operation, the pipe bending die units of corresponding sizes are fixed on the die platform 6.
As an embodiment of the present invention, the linear driving member 4 is one of a cylinder and an electric push rod.
The pushing block 105 is hinged to the linear driving member 4 through a connecting lug plate 5, and a buffer layer (not shown) is mounted on an end surface of the pushing block 105, which is in contact with the pipe workpiece 107.
As an embodiment of the utility model, still be provided with crease-resistant block 102 on the mould platform 6, crease-resistant block 102 closes on the setting of bending die 101.
As an embodiment of the present invention, the driving mechanism 7 includes
A base 70 fixedly provided on the mold stage 6;
a mounting plate 711 fixedly mounted on the top of the base 70;
a driving link 72 pivotally connected to the mounting plate 711 by a first pin 772, wherein an elastic pressure head 76 is fixedly mounted at an end of the driving link 72;
a left shift lever 731 pivotally connected to an outer side of the mounting plate 711 by a second pin 771;
a right shift lever 732 pivotally connected to the other outer side of the mounting plate 711 by a second pin 771, wherein the top of the right shift lever 732 and the top of the left shift lever 731 are fixed together and sleeved with an elastic handle 733; and
a linkage block 74, one end of which is pivoted to the driving link 72 through a third pin 773, and the other end of which is pivoted between the left shift lever 731 and the right shift lever 732 through a fourth pin 774;
a coupling limiting block 741 is formed at one end of the coupling block 74, and an overturning limiting block 712 for limiting a rotation angle of the left shift lever 731 is formed at a side portion of the mounting plate 711; the mounting plate 711 is formed with a slope 710 at the top thereof.
As an embodiment of the present invention, a press block mounting hole is formed at an end of the driving link 72;
a screw rod 751 capable of being inserted into the briquetting mounting hole is fixed at the top of the elastic pressure head 76, positioning nuts 753 are screwed on the screw rods 751 at the upper and lower sides of the driving connecting rod 72, and a baffle plate 752 is sleeved on the positioning nuts 753 and the screw rods 751 of the driving connecting rod 72.
The working principle of the pipe bending die is as follows: during pipe bending operation, a pipe workpiece is inserted into the mandrel rod and pushed to the foremost end, the driving mechanism drives the sliding block to move along the guide rail, so that the pipe workpiece is pressed against a straight edge of a pipe bending die, the pushing block pushes the pipe workpiece to lean against the pipe bending die according to a set program, the pipe workpiece is accurately bent under the action of pressure, the mandrel head can effectively control the phenomenon of roundness change and even cracking of the bent pipe, and the anti-wrinkling block can effectively control the phenomenon that the bent part is not smooth and wrinkled.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (8)
1. A bending die, comprising:
the die platform (6) is fixedly arranged on a frame of the pipe bending die device;
the bending die (101) is detachably and fixedly arranged on the die platform (6), and a bending die straight edge (2) is formed at the end part of the bending die (101);
the clamping block (104) has a certain gap with the straight edge (2) of the pipe bending die, the gap forms an accommodating space of a pipe workpiece (107) to be bent, and the clamping block (104) is slidably mounted on the guide rail (3);
a driving mechanism (7) arranged on the side surface of the guide rail (3) and used for driving the sliding of the clamping block (104);
a mandrel assembly inserted into the pipe workpiece (107), the mandrel assembly comprising a mandrel bar (106) and a mandrel head (103) arranged at the front end of the mandrel bar (106), the rear end of the mandrel bar (106) being connected to a drawing mechanism, the mandrel head (103) moving backward gradually as the bending progresses; and
and the bending pushing mechanism comprises a linear driving part (4) fixed on the die platform (6), and the tail end of the linear driving part (4) is connected with a pushing block (105) which is pressed against the outer side of the pipe workpiece (107).
2. A bending die according to claim 1, wherein said core rod head (103) and said core rod stem are detachably connected, said core rod head (103) being moved backwards along the bending tendency of said pipe work piece (107).
3. A bending mould according to claim 1, wherein the bending mould (101) comprises bending mould units of various sizes, and wherein the mould platform (6) is fixed with the bending mould units of corresponding sizes during bending operation.
4. The bending die according to claim 1, wherein the linear drive (4) is one of a pneumatic cylinder and an electric push rod.
5. The bending die according to claim 1, wherein a blank-holding block (102) is further arranged on the die platform (6), the blank-holding block (102) being arranged adjacent to the bending die (101).
6. A bending mould according to claim 1, wherein said drive mechanism (7) comprises
A base (70) fixedly arranged on the mould platform (6);
a mounting plate (711) fixedly mounted on top of the base (70);
the driving connecting rod (72) is pivoted on the mounting plate (711) through a first pin shaft (772), and an elastic pressure head (76) is fixedly mounted at the end part of the driving connecting rod (72);
the left deflector rod (731) is pivoted on one outer side of the mounting plate (711) through a second pin shaft (771);
the right deflector rod (732) is pivoted on the other outer side of the mounting plate (711) through a second pin shaft (771), and the top of the right deflector rod (732) and the top of the left deflector rod (731) are fixed into a whole and are sleeved with an elastic handle (733); and
a linkage block (74), one end of which is pivoted on the driving connecting rod (72) through a third pin shaft (773), and the other end of which is pivoted between the left deflector rod (731) and the right deflector rod (732) through a fourth pin shaft (774);
one end of the linkage block (74) is formed with a linkage limiting block (741), and the side of the mounting plate (711) is formed with a turning limiting block (712) for limiting the rotation angle of the left shift lever (731); the top of the mounting plate (711) is formed with a bevel portion (710).
7. The bending die according to claim 6, wherein a press block mounting hole is formed at an end of the driving link (72);
the top of the elastic pressure head (76) is fixed with a screw rod (751) which can be inserted into the pressing block mounting hole, positioning nuts (753) are screwed on the screw rods (751) at the upper side and the lower side of the driving connecting rod (72), and a blocking plate (752) is sleeved on the screw rods (751) positioned on the positioning nuts (753) and the driving connecting rod (72).
8. The bending die according to claim 1, wherein the push block (105) is hingedly connected to the linear actuator (4) via a connecting lug (5), and a buffer layer is mounted on the end face of the push block (105) that contacts the pipe workpiece (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797872.XU CN211515691U (en) | 2019-10-24 | 2019-10-24 | Pipe bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797872.XU CN211515691U (en) | 2019-10-24 | 2019-10-24 | Pipe bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211515691U true CN211515691U (en) | 2020-09-18 |
Family
ID=72462082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921797872.XU Active CN211515691U (en) | 2019-10-24 | 2019-10-24 | Pipe bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211515691U (en) |
-
2019
- 2019-10-24 CN CN201921797872.XU patent/CN211515691U/en active Active
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