A bending device for construction machinery cab frame
A technology of bending device and construction machinery, which is applied in the direction of feeding device, positioning device, storage device, etc., can solve the problems such as the difficulty of glass installation, achieve the effects of reducing operation difficulty, high processing efficiency, and improving processing effect
Active Publication Date: 2018-06-19
扬州市涵洋工程机械有限公司
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Problems solved by technology
Bending molds and pipe bending molds in the prior art cannot effectively adapt to their special-shaped structures, and will cause different degrees of damage to the two glass installation grooves during the processing, which will bring great damage to the subsequent glass installation. difficulty
Method used
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[0032] The bending device also includes a pressure holding assembly, which includes a pressure holding seat 4, a pair of driving assemblies 5 and a pair of working assemblies 6, and the pressure holding seat 4 is fixedly connected above the upper die base 22, And parallel to the upper mold base 22, a pair of said drive assemblies 5 are symmetrically arranged between the upper mold base 22 and the pressure holding seat 4, and said drive assemblies 5 include an upper drive belt 51, a lower drive belt 52, a pair of Upper pulley 53, a pair of lower pulleys 54 and a pair of fixed rods 55, the top of the fixed rods 55 are fixedly connected to the pressure maintaining seat 4, and the upper pulley 53 is hinged to the middle part of the fixed rods 55. The lower pulley 54 is fixedly connected to the bottom of the fixed rod 55, the upper driving belt 51 is annularly arranged between a pair of upper pulleys 53, and the lower driving belt 52 is annularly arranged on a pair of lower belts. ...
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The utility model relates to a bending device for a frame of an engineering machinery cab. It relates to the field of bending dies. A bending device for construction machinery cab frame with exquisite structure, high processing efficiency, good processing effect, low reject rate and no damage to the section of special-shaped pipe is proposed. The surface of the skeleton is provided with two parallel glass mounting grooves, the bending device includes an upper mold assembly and a lower mold assembly; the upper mold assembly includes a pair of upper molds and an upper mold base, the The bottom surface of the upper mold is provided with an upper mold opening for accommodating the skeleton, and the upper mold opening is provided with a top block adapted to the glass installation groove; the lower part of the outer wall of the upper support is provided with at least one vertically arranged The elongated chute, the top of the inner wall of the lower bracket is fixedly connected with at least one slider adapted to the elongated chute. The present invention has the characteristics of high processing efficiency, high processing precision, low reject rate and no damage or damage to the cross section of the skeleton (special-shaped pipe) as a whole.
Description
technical field [0001] The invention relates to the field of bending dies. Background technique [0002] At present, in order to ensure that protective glass can be installed on all four sides of the bending device of the construction machinery cab frame, the frame is usually set as a special-shaped elbow with two glass installation grooves and an arc surface, and in order to adapt to the manufacturing process of the cab , it needs to be bent after its special-shaped section is formed. Bending molds and pipe bending molds in the prior art cannot effectively adapt to their special-shaped structures, and will cause different degrees of damage to the two glass installation grooves during the processing, which will bring great damage to the subsequent glass installation. difficulty. Contents of the invention [0003] Aiming at the above problems, the present invention proposes a bending device for construction machinery cab skeleton with compact structure, high processing ef...
Claims
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IPC IPC(8): B21D7/06B21D37/10B21D43/00
CPCB21D7/06B21D37/10B21D43/003
Inventor 张建华沈云
Owner 扬州市涵洋工程机械有限公司