CN210208183U - Hydraulic bending machine - Google Patents
Hydraulic bending machine Download PDFInfo
- Publication number
- CN210208183U CN210208183U CN201920802707.2U CN201920802707U CN210208183U CN 210208183 U CN210208183 U CN 210208183U CN 201920802707 U CN201920802707 U CN 201920802707U CN 210208183 U CN210208183 U CN 210208183U
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- vertical plate
- bending machine
- guide post
- hydraulic
- channel steel
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Abstract
The utility model relates to a hydraulic bending machine, which comprises a frame, a left vertical plate and a right vertical plate which are arranged at two ends of the frame, and a sliding plate and a guide post which are arranged between the left vertical plate and the right vertical plate; the guide post is horizontally arranged, two ends of the guide post are respectively and fixedly connected with the left vertical plate and the right vertical plate, and the sliding plate is sleeved on the guide post and relatively slides along the axial direction of the guide post; a female die is arranged on the right side surface of the left vertical plate, a male die matched with the female die is arranged on the left side surface of the sliding plate, and slots for accommodating vertical plates on two sides of the U-shaped channel steel are formed in the concave surface of the female die; the hydraulic bending machine further comprises hydraulic equipment and a hydraulic cylinder which is arranged between the sliding plate and the right vertical plate and used for pushing the sliding plate to slide, and the hydraulic cylinder is collinear with the center line of the male die; when the U-shaped channel steel is bent, vertical plates on two sides of the U-shaped channel steel are inserted into the slots, so that the vertical plates on the two sides are prevented from collapsing in the bending process; thereby solve the unable normal problem of bending of U-shaped among the prior art.
Description
Technical Field
The utility model particularly relates to a hydraulic bending machine.
Background
In the actual production process, the metal plate or the section bar needs to be bent, so that the shape and the size of the bent metal plate or the bent section bar meet the actual use requirements. The bending mode commonly adopted at present comprises manual bending or machine bending; when manual bending is adopted, the bending efficiency is low, and the size of a bent workpiece is unstable. The bending machine comprises a manual bending machine, a hydraulic bending machine and a numerical control bending machine.
The application publication number is CN108311592A, which discloses a hydraulic bending machine, comprising a base, a motor and a hydraulic device, a clamping seat, a hydraulic jack, a cross beam and a top beam, wherein the motor and the hydraulic device are connected with a frame; the female die and the male die are made of high-hardness and high-toughness alloy steel; the die of the hydraulic bending machine is made of high-hardness and high-toughness alloy steel, so that the die is not easy to damage and break, and frequent replacement is avoided; however, when the U-shaped channel steel with the U-shaped cross section is bent by the bending machine, vertical plates on two sides of the channel steel collapse in the bending process, so that the U-shaped channel steel cannot be normally used.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the U-shaped channel steel cannot be normally bent, the utility model provides a hydraulic bending machine; in order to achieve the above object, the utility model discloses a technical scheme, specifically as follows:
a hydraulic bending machine comprises a frame, a left vertical plate and a right vertical plate which are arranged at two ends of the frame, wherein a sliding plate and a guide post are arranged between the left vertical plate and the right vertical plate; the guide post is horizontally arranged, two ends of the guide post are fixedly connected with the left vertical plate and the right vertical plate respectively, and the sliding plate is sleeved on the guide post and slides relatively along the axial direction of the guide post; a female die is arranged on the right side face of the left vertical plate, a male die matched with the female die is arranged on the left side face of the sliding plate, and slots for accommodating vertical plates on two sides of the U-shaped channel steel are formed in the concave face of the female die; the hydraulic bending machine further comprises hydraulic equipment and a hydraulic cylinder arranged between the sliding plate and the right vertical plate and used for pushing the sliding plate to slide, and the hydraulic cylinder and the center line of the male die are collinear.
The utility model discloses a hydraulic bending machine's beneficial effect: by reasonably arranging the structure of the hydraulic bending machine, the bending pressure direction of the hydraulic bending machine is horizontal, the working plane is vertical, and the bending workpiece can be conveniently placed on and taken down from the hydraulic bending machine; the center lines of the hydraulic cylinder and the male die are collinear, so that the transmission of bending pressure from the hydraulic cylinder to the male die is facilitated; the concave surface of the female die is provided with slots for accommodating vertical plates on two sides of the U-shaped channel steel; when the U-shaped channel steel is bent, vertical plates on two sides of the U-shaped channel steel are inserted into the slots, so that the vertical plates on the two sides are prevented from collapsing in the bending process; thereby solve the unable normal problem of bending of U-shaped among the prior art.
Furthermore, a groove for inserting the U-shaped channel steel is formed in the concave surface of the female die, and a boss matched with the groove is formed in the convex surface of the male die; the slot is arranged on the inner bottom surface of the groove.
The U-shaped channel steel bending die has the advantages that the concave surface of the concave die is provided with the groove, when the U-shaped channel steel is bent, the U-shaped channel steel is inserted into the groove, the two side walls of the groove can guide and limit the U-shaped channel steel in the bending direction perpendicular to the U-shaped channel steel, and deformation of the U-shaped channel steel in the bending direction perpendicular to the U-shaped channel steel is effectively prevented.
Furthermore, bulges are arranged at the intersection of the two ends of the groove and the right side surface of the female die respectively, and a notch matched with the bulges is arranged on the male die; the upper end surface of the protrusion is flush with the lower end surface of the groove.
Has the advantages that: the bulges are arranged at the intersection of the two ends of the groove and the right side surface of the female die respectively, the upper end surface of each bulge is flush with the lower end surface of the corresponding groove, and the U-shaped channel steel before bending is convenient to place on the female die.
Furthermore, the number of the guide posts is 3, and the guide posts are distributed in a shape of a Chinese character pin; and a buffer unit is arranged at one end of the guide post close to the left vertical plate.
Has the advantages that: the guide posts are distributed in a 'pin' shape, so that the number of the guide posts is reduced while the guide effect is met; just the guide post is close to left riser one end and sets up buffer unit, prevents that hydraulic bending machine's stamping speed is too fast, and the die strikes mutually with the terrace die, causes damage die or terrace die.
Further, buffer unit establishes including the cover buffer spring and the buffering on the guide post keep off the ring, buffer spring's one end and the right flank fixed connection of left riser, buffer spring's the other end and buffering keep off ring fixed connection.
Has the advantages that: the buffer unit adopts a structure that a buffer spring and a buffer stop ring are sleeved on the guide post, and the buffer unit is simple in structure and good in buffer effect.
Furthermore, the groups of the slots which are arranged on the concave surface of the female die and used for accommodating vertical plates on two sides of the U-shaped channel steel are multiple, and the slots of each group are arranged in parallel at intervals.
Has the advantages that: through setting up multiunit slot to realize that hydraulic bending machine can once bend many U-shaped channel-section steels.
The hydraulic bending machine further comprises a jacking spring, a jacking rod and a mounting groove, wherein the jacking rod is used for jacking the bent U-shaped channel steel, and the mounting groove is formed in the middle of the inner bottom surface of the groove and is used for mounting the jacking rod; the ejector rod comprises a support rod and an ejector block arranged at one end of the support rod; the top pressure spring is sleeved on the supporting rod, and two ends of the top pressure spring are respectively pressed on the inner bottom surfaces of the top block and the mounting groove.
Has the advantages that: by installing the ejector rod and the spring in the installation groove, when the U-shaped channel steel is bent, the ejector rod is completely retracted into the installation groove, and the jacking spring is compressed; after the U-shaped channel steel is bent, the bending pressure is removed, the jacking spring returns, and the jacking rod ejects the bent U-shaped channel steel; the U-shaped channel steel convenient to bend takes off.
Drawings
Fig. 1 is a perspective view of an embodiment of a hydraulic bending machine of the present invention;
figure 2 is an elevation view of an embodiment of the hydraulic bending machine of the present invention;
fig. 3 is a top view of an embodiment of the hydraulic bending machine of the present invention;
figure 4 is a cross-sectional view of a female die of an embodiment of the hydraulic bending machine of the present invention;
figure 5 is a cross-sectional view of a punch of an embodiment of the hydraulic bending machine of the present invention.
Reference numbers in the figures: 1-a rack, 2-a left vertical plate, 3-a right vertical plate, 4-a left inclined strut, 5-a right inclined strut, 6-a guide column, 7-a sliding plate, 8-a male die, 9-a female die, 10-a slot, 11-a groove, 12-a boss, 13-a bulge, 14-a notch, 15-a buffer retaining ring, 16-a buffer spring, 17-a top pressure spring, 18-a top rod, 181-a top block, 182-a support rod, 19-a hydraulic cylinder and 20-a hydraulic device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the embodiment of the hydraulic bending machine of the present invention has a specific structure as shown in fig. 1-5, and defines the direction of the bending pressure of the hydraulic bending machine as the left and right direction, wherein the direction of the bending pressure is left. The hydraulic bending machine comprises a frame 1, a left vertical plate 2 and a right vertical plate 3 which are arranged at two ends of the frame 1, and a left inclined strut 4 or a right inclined strut 5 which is used for improving the strength of the left vertical plate 2 and the strength of the right vertical plate 3 are arranged between the left side surface of the left vertical plate 2 and the right side surface of the right vertical plate 3 and the frame 1 respectively. Be provided with sliding plate 7 and guide post 6 between left riser 2 and right riser 3, guide post 6 level sets up, both ends respectively with left riser 2 and right riser 3 fixed connection, in this embodiment, the fixed connection between guide post 6 and left riser 2 and the right riser 3 is the welding. The sliding plate 7 is sleeved on the guide post 6 and relatively slides along the axial direction of the guide post 6; the bending pressure direction of the hydraulic bending machine is horizontal, the working plane is vertical, and the bending workpiece can be conveniently placed on and taken down from the hydraulic bending machine. A female die 9 is arranged on the right side surface of the left vertical plate 2, a male die 8 matched with the female die 9 is arranged on the left side surface of the sliding plate 7, and slots 10 for accommodating vertical plates on two sides of the U-shaped channel steel are formed in the concave surface of the female die 9; when the U-shaped channel steel is bent, vertical plates on two sides of the U-shaped channel steel are inserted into the slot 10, so that the vertical plates on the two sides are prevented from collapsing in the bending process; the number of the groups of the slots 10 arranged on the concave surface of the female die 9 can be one group or more than two groups, and when more than two groups of the slots 10 are arranged, the slots 10 in each group are arranged at intervals in parallel, so that the hydraulic bending machine can bend a plurality of U-shaped channel steels at one time. The hydraulic bending machine further comprises a hydraulic device 20 and a hydraulic cylinder 19 which is arranged between the sliding plate 7 and the right vertical plate 3 and used for pushing the sliding plate 7 to slide, and the hydraulic cylinder 19 is collinear with the central line of the male die 8; the transmission of the bending pressure from the hydraulic cylinder 19 to the male die 8 is facilitated, so that the phenomenon that the male die 8 is accepted unevenly due to the transmission dislocation of the bending pressure is avoided.
In the embodiment, the number of the guide posts 6 is 3, and the guide posts are distributed in a shape of a Chinese character pin; a buffer unit is arranged at one end of the guide post 6 close to the left vertical plate 2; the guide posts 6 are distributed in a 'pin' shape, so that the number of the guide posts 6 is reduced while the guide effect is met; in other embodiments, the number of the guide posts 6 can also be 4, and the guide posts are respectively parallel to the four corners of the left vertical plate 2 and the right vertical plate 3. The buffer unit comprises a buffer spring 16 and a buffer stop ring 15 which are sleeved on the guide post 6, one end of the buffer spring 16 is fixedly connected with the right side surface of the left vertical plate 2, in the embodiment, a top ring is arranged at one end of the buffer spring 16 fixedly connected with the left vertical plate 2, and the buffer spring 16 is fixedly connected with the right side surface of the left vertical plate 2 through the top ring; the other end of the buffer spring 16 is fixedly connected with the buffer ring 15. When the hydraulic bending machine works, the hydraulic cylinder 19 pushes the sliding plate 7 and the male die 8 fixed on the left side surface of the sliding plate 7 to slide leftwards under the guiding action of the guide post 6; when the male die 8 is close to the female die 9, the sliding plate 7 is in contact with the buffer retaining ring 15 and pushes the buffer spring 16 leftwards, so that the sliding speed of the sliding plate 7 is reduced, the phenomenon that the female die 9 and the male die 8 collide with each other to damage the female die 9 or the male die 8 due to the fact that the stamping speed of the hydraulic bending machine is too high is prevented.
In the embodiment, a concave surface of the female die 9 is provided with a groove 11 into which the U-shaped channel steel is inserted, and a convex surface of the male die 8 is provided with a boss 12 matched with the groove 11; the slot 10 is arranged on the inner bottom surface of the groove 11; when the U-shaped channel steel is bent, the U-shaped channel steel is inserted into the groove 11, two side walls of the groove 11 play a role in guiding and limiting the U-shaped channel steel in the bending direction perpendicular to the U-shaped channel steel, and deformation of the U-shaped channel steel in the bending direction perpendicular to the U-shaped channel steel is effectively prevented. In other embodiments, the grooves 11 and the bosses 12 are not provided on the concave surface of the female die 9 and the convex surface of the male die 8; the insert groove 10 starts directly on the concave surface of the female die 9. In this embodiment, a protrusion 13 is disposed at an intersection of each of two ends of the groove 11 and the right side surface of the female die 9, a notch 14 adapted to the protrusion 13 is formed in the male die 8, and the upper end surface of the protrusion 13 is flush with the lower end surface of the groove 11, so that the U-shaped channel steel before being bent can be placed on the female die 9 conveniently.
In this embodiment, the hydraulic bending machine further includes a jacking spring 17, a jacking rod 18 for jacking out the bent U-shaped channel steel, and a mounting groove formed in the middle position of the inner bottom surface of the groove 11 for mounting the jacking rod 18; the mandril 18 comprises a support rod 182 and a top block 181 arranged at one end of the support rod 182; the top pressure spring 17 is sleeved on the support rod 182, and two ends of the top pressure spring respectively press against the top block 181 and the inner bottom surface of the mounting groove; when the U-shaped channel steel is bent, the ejector rod 18 is completely retracted into the mounting groove, and the jacking spring 17 is compressed; after the U-shaped channel steel is bent, the bending pressure is removed, the jacking spring 17 returns, and the ejector rod 18 ejects the bent U-shaped channel steel; the bent U-shaped channel steel is convenient to take down; in other embodiments, the hydraulic bending machine is not provided with the ejector rod 18, the jacking spring 17 and the mounting groove for ejecting the bent U-shaped channel steel.
When the hydraulic bending machine is used, the U-shaped channel steel is placed on the bulge 13, and the vertical plates on the two side surfaces of the U-shaped channel steel are aligned with the slot 10 formed in the bottom surface in the groove 11; starting the hydraulic equipment 20, sliding the sliding plate 7 and the male die 8 fixed on the left side surface of the sliding plate 7 to slide leftwards under the guiding action of the guide column 6 under the driving of the hydraulic cylinder 19; when the male die 8 approaches the female die 9, the sliding plate 7 is in contact with the buffer retaining ring 15 and pushes the buffer spring 16 leftwards, so that the sliding speed of the sliding plate 7 is reduced, the boss 12 on the male die 8 presses against the U-shaped groove, the U-shaped groove is bent and pushed into the groove 11, and the ejector rod 18 is completely retracted into the mounting groove; after the die assembly is finished and the pressure is kept for a certain time, the bending pressure is removed, the jacking spring 17 is restored, and the ejector rod 18 ejects the bent U-shaped channel steel; and taking down the bent U-shaped channel steel.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A hydraulic bending machine comprises a rack and is characterized in that a left vertical plate and a right vertical plate are arranged at two ends of the rack, and a sliding plate and a guide post are arranged between the left vertical plate and the right vertical plate; the guide post is horizontally arranged, two ends of the guide post are fixedly connected with the left vertical plate and the right vertical plate respectively, and the sliding plate is sleeved on the guide post and slides relatively along the axial direction of the guide post; a female die is arranged on the right side face of the left vertical plate, a male die matched with the female die is arranged on the left side face of the sliding plate, and slots for accommodating vertical plates on two sides of the U-shaped channel steel are formed in the concave face of the female die; the hydraulic bending machine further comprises hydraulic equipment and a hydraulic cylinder arranged between the sliding plate and the right vertical plate and used for pushing the sliding plate to slide, and the hydraulic cylinder and the center line of the male die are collinear.
2. The hydraulic bending machine according to claim 1, wherein a concave surface of the female die is provided with a groove into which a U-shaped channel steel is inserted, and a convex surface of the male die is provided with a boss matched with the groove; the slot is arranged on the inner bottom surface of the groove.
3. The hydraulic bending machine according to claim 2, wherein protrusions are arranged at the intersections of two ends of the groove and the right side surface of the female die respectively, and notches matched with the protrusions are arranged on the male die; the upper end surface of the protrusion is flush with the lower end surface of the groove.
4. The hydraulic bending machine according to claim 1, 2 or 3, wherein the number of the guide columns is 3, and the guide columns are distributed in a shape of a 'pin'; and a buffer unit is arranged at one end of the guide post close to the left vertical plate.
5. The hydraulic bending machine according to claim 4, wherein the buffer unit comprises a buffer spring and a buffer stop ring, the buffer spring and the buffer stop ring are sleeved on the guide post, one end of the buffer spring is fixedly connected with the right side face of the left vertical plate, and the other end of the buffer spring is fixedly connected with the buffer stop ring.
6. The hydraulic bending machine according to claim 1, wherein the number of groups of the slots provided in the concave surface of the female die for receiving the vertical plates on both sides of the U-shaped channel steel is multiple, and the slots of each group are arranged in parallel at intervals.
7. The hydraulic bending machine according to claim 2, further comprising a jacking spring, a jacking rod for jacking the bent U-shaped channel steel, and a mounting groove formed in the middle of the inner bottom surface of the groove and used for mounting the jacking rod; the ejector rod comprises a support rod and an ejector block arranged at one end of the support rod; the top pressure spring is sleeved on the supporting rod, and two ends of the top pressure spring are respectively pressed on the inner bottom surfaces of the top block and the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802707.2U CN210208183U (en) | 2019-05-30 | 2019-05-30 | Hydraulic bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802707.2U CN210208183U (en) | 2019-05-30 | 2019-05-30 | Hydraulic bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210208183U true CN210208183U (en) | 2020-03-31 |
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ID=69928750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920802707.2U Expired - Fee Related CN210208183U (en) | 2019-05-30 | 2019-05-30 | Hydraulic bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210208183U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842708A (en) * | 2020-07-27 | 2020-10-30 | 江西红日变电设备有限公司 | Self-locking type lead bending device |
| CN111842707A (en) * | 2020-07-27 | 2020-10-30 | 江西红日变电设备有限公司 | Open-arm type lead bending device |
| CN112845719A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with position correction function |
| CN112845865A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with workpiece positioning function |
-
2019
- 2019-05-30 CN CN201920802707.2U patent/CN210208183U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842708A (en) * | 2020-07-27 | 2020-10-30 | 江西红日变电设备有限公司 | Self-locking type lead bending device |
| CN111842707A (en) * | 2020-07-27 | 2020-10-30 | 江西红日变电设备有限公司 | Open-arm type lead bending device |
| CN112845719A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with position correction function |
| CN112845865A (en) * | 2020-12-22 | 2021-05-28 | 溧阳市盛杰机械有限公司 | Hydraulic machine with workpiece positioning function |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 |