CN213001958U

CN213001958U - Bending head of hydraulic tool

Info

Publication number: CN213001958U
Application number: CN202021081993.7U
Authority: CN
Inventors: 李志强; 黎俊凯; 杨超; 靳丽萍
Original assignee: Kunshan Shengshi Weitu Electronic Technology Co ltd
Current assignee: Kunshan Shengshi Weitu Electronic Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-20
Anticipated expiration: 2030-06-12

Abstract

The utility model provides a hydraulic tool rolls over elbow, including C shape head, the first end of C shape is equipped with the locating ring cover, and the other end is equipped with fixed V piece, the push rod has been passed in the locating ring cover, push rod end connection has activity V piece, activity V piece center is equipped with first arcwall face, the inside arc wall that is equipped with of first arcwall face, the arc wall is embedded to have supplementary bending mechanism, and this bending head passes through the hydraulic tool pressurization for activity V piece removes to fixed V piece, makes both pressfittings, bends the plate body, and owing to set up the complementary unit that bends in activity V piece, surface damage when can reducing the plate body and bend, and the effect of bending is more level and smooth.

Description

Bending head of hydraulic tool

Technical Field

The utility model relates to a hydraulic means field especially relates to hydraulic means rolls over elbow.

Background

A hydraulic tool, generally, a hydraulic tool (also referred to as a crimping tool in some cases) for crimping a workpiece such as a pipe includes a switch, a motor, a pump, a hydraulic cylinder, and a working unit (also referred to as a crimping unit in some cases). The crimping unit includes a movable portion and a stationary portion. The movable part is mounted on the projecting end of the piston rod. Therefore, after the crimping tool is started, the fluid pressure in the hydraulic cylinder pushes the piston rod and the movable part of the crimping unit to move together, the hydraulic tool can be generally used for riveting products, the existing bending tool is large in structure and not easy to use conveniently, the application in the aspect is lacked when the existing bending tool is matched with the hydraulic tool for bending, particularly, a pressure head mechanism of the hydraulic tool is small, a corresponding bending mechanism is not easy to design, and if the upper die and the lower die are only used, scratches are easily generated on the surface of some materials with low hardness.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a hydraulic tool rolls over elbow, including C shape head, the first end of C shape is equipped with the holding ring cover, and the other end is equipped with fixed V piece, the push rod has been passed in the holding ring cover, push rod end connection has movable V piece, activity V piece center is equipped with first arcwall face, the inside arc wall that is equipped with of first arcwall face, the arc wall is embedded to have supplementary bending mechanism.

Preferably, the auxiliary bending mechanism comprises a silica gel block embedded in the arc-shaped groove, and a plurality of rollers are embedded in the silica gel block and arranged in an arc shape.

Preferably, the surface of the silica gel block is provided with a plurality of circular grooves, bearings are arranged at two ends of each circular groove, the rolling shaft is connected with the bearings, and the surface of the rolling shaft protrudes out of the silica gel block.

Preferably, the bottom of the arc-shaped groove is provided with a jack, the bottom of the silica gel block is provided with an insert block, and the insert block is inserted into the jack.

Preferably, the two sides of the bottom of the movable V-shaped block are provided with guide blocks, the guide blocks are pressed on the two sides of the C-shaped head, a placing groove is formed in each guide block, a pushing plate is arranged in each placing groove, a pin is arranged at the end part of each guide block, and a universal joint is arranged between each pin and the corresponding pushing plate.

Preferably, the end part of the fixed V block is provided with a second arc-shaped surface.

The utility model provides a hydraulic tool rolls over elbow has following beneficial effect: this bending head passes through hydraulic means pressurization for movable V piece removes to fixed V piece, makes both pressfittings, bends the plate body, and owing to set up the complementary unit that bends in movable V piece, surface damage when can reducing the plate body and bend, and the effect of bending is more level and smooth.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

wherein, 1, C-shaped head; 2. a positioning ring sleeve; 3. fixing the V block; 4. a push rod; 5. a movable V block; 6. a first arc-shaped surface; 7. a silica gel block; 8. a roller; 9. inserting a block; 10. a guide block; 11. a placement groove; 12. a push plate; 13. a pin; 14. a universal joint; 15. a second arc-shaped surface.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 and 2, the utility model provides a hydraulic tool rolls over elbow, including C shape head 1, the first 1 one end of C shape is equipped with position ring cover 2, and the other end is equipped with fixed V piece 3, 3 tip of fixed V piece are equipped with second arcwall face 15, push rod 4 has been passed in position ring cover 2, 4 end connection of push rod have activity V piece 5, activity V piece 5 center is equipped with first arcwall face 6, the inside arc wall that is equipped with of first arcwall face 6, the arc wall is embedded to have supplementary bending mechanism, and first arcwall face 6 is the same with the radian of second arcwall face 15.

During operation, place the plate body on C shape is first 1 to promote push rod 4 through hydraulic means (not drawn in the picture), and promote activity V piece 5 and be close to fixed V piece 3, press back on the plate body when activity V piece 5, the plate body can buckle, and along the curved shaping of 5 radians of activity V piece, it explains that, set up supplementary bending mechanism includes silica gel piece 7, silica gel piece 7 inlay in the arc wall, silica gel piece 7 is embedded to have a plurality of rollers 8, rollers 8 become the arc and arrange, after the plate body is pressed the dynamic contact roller bearing 8, be sliding friction between plate body and the roller bearing 8, frictional force is less, reduces the wearing and tearing risk, in addition, owing to set up silica gel piece 7, the plate body is when the atress, and silica gel piece 7 can cushion partly unbalanced force, finally forms the shape of activity V piece 5, guarantees the smoothness degree of bending.

The surface of the silica gel block 7 is provided with a plurality of circular grooves, two ends of each circular groove are provided with bearings, the roller 8 is connected with the bearings, the surface of the roller 8 protrudes out of the silica gel block 7, the bearings are embedded in the silica gel block 7, the roller 8 can rotate in the silica gel block 7 through the bearings, and the connection between the silica gel block 7 and the movable V block 5 is firmer in order to ensure that the silica gel block 7 is connected with the movable V block 5, the bottom of the arc-shaped groove is provided with a jack, the bottom of the silica gel block 7 is provided with an insert block 9, and the insert block 9 is inserted into the jack.

In order to ensure that the plate body can be placed on the C-shaped head 1 during pressing, two sides of the bottom of the movable V-shaped block 5 are provided with guide blocks 10, the guide blocks 10 are pressed on two sides of the C-shaped head 1, the guide blocks 10 can slide along the C-shaped head 1, a placing groove 11 is arranged on the guide block 10, a pushing plate 12 is arranged in the placing groove 11, the end part of the guide block 10 is provided with a pin 13, a universal joint 14 is arranged between the pin 13 and the pushing plate 12, the pin 13 is tightly matched with the guide block 10, or rubber rings can be added on the pin 13 and the guide block 10 to increase the stability, the distance of the pushing plate 12 can be adjusted according to the thickness of the plate body, after the adjustment, the plate body is placed between the push plate 12 and the movable V-block 5, and no hand is needed for pressurizing, in addition, after the plate body is bent, the two ends of the plate body can press the pushing plate 12, and the pushing plate 12 can rotate along with the end part of the plate body due to the arrangement of the universal joint 14.

Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a hydraulic tool rolls over elbow which characterized in that, includes C shape head, the first one end of C shape is equipped with the locating ring cover, and the other end is equipped with fixed V piece, the push rod has passed in the locating ring cover, push rod end connection has movable V piece, activity V piece center is equipped with first arcwall face, the inside arc wall that is equipped with of first arcwall face, the arc wall is embedded to have supplementary bending mechanism.

2. The hydraulic tool bend according to claim 1, wherein the auxiliary bending mechanism comprises a silicone block embedded in the arc-shaped groove, and a plurality of rollers are embedded in the silicone block and arranged in an arc shape.

3. The hydraulic tool bend according to claim 2, wherein a plurality of circular grooves are formed in the surface of the silica gel block, bearings are arranged at two ends of each circular groove, the roller is connected with the bearings, and the surface of the roller protrudes out of the silica gel block.

4. The hydraulic tool elbow according to claim 2, wherein the bottom of the arc-shaped groove is provided with a jack, the bottom of the silica gel block is provided with an insert block, and the insert block is inserted into the jack.

5. The hydraulic tool bending head according to claim 1, wherein two sides of the bottom of the movable V-shaped block are provided with guide blocks, the guide blocks press two sides of the C-shaped head, the guide blocks are provided with placing grooves, pushing plates are arranged in the placing grooves, the end parts of the guide blocks are provided with pins, and universal joints are arranged between the pins and the pushing plates.

6. The hydraulic tool break head according to claim 1, wherein the end of the fixed V-block is provided with a second arc-shaped surface.