A screw thread rolling machine with variable working gap
A technology of working gap and thread rolling machine, which is applied to threaded products, household appliances, and other household appliances. It can solve the problem that the thread rolling gap cannot be adjusted, and achieve the effect of simple and reasonable structure.
Active Publication Date: 2022-01-28
CHANGZHOU UNIV
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Problems solved by technology
The thread rolling gap of the thread rolling machine in the prior art is usually not adjustable, that is, it can only be used for thread rolling of screws or bolts of the same diameter.
Method used
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[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0016] see figure 1 As shown, a screw thread rolling machine with variable working gap of the present invention includes a lower die plate 11, an upper die plate 12, a linear guide rail 31, a linkage mechanism for driving the upper die plate 12X to linearly move, and a driving upper die plate 12 Y to linear motion gap adjustment mechanism.
[0017] see figure 1 As shown, the linear guide rail 31 is equipped with a slider 3; the linear guide rail 31 is fixedly installed on the frame; the lower tooth plate 11 is fixedly installed on the frame.
[0018] see figure 1 As shown, the link mechanism includes a motor 4 mounted on the frame, a turntable 5 fixedly mounted on the output shaft of the motor 4, a first connecting rod 6 fixedly mounted on the turntable 5 at one end and connected to the first connecting rod at one end. The other e...
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The invention discloses a screw thread rolling machine with variable working gap, which belongs to the field of screw thread rolling machines. It includes a lower die plate, an upper die plate, a linear guide rail, a linkage mechanism that drives the upper die plate to move linearly in the X direction, and a gap adjustment mechanism that drives the upper die plate to move linearly in the Y direction; a slider is installed on the linear guide rail; the linkage mechanism It includes a motor, a turntable, a first connecting rod and a second connecting rod; the other end of the second connecting rod is hinged on the slider; the gap adjustment mechanism includes a stepping motor fixedly installed on the outside of the slider, and one end is connected to the output of the stepping motor The lead screw connected at the end is fixedly installed at least two guide sleeves on the inner side of the slider, and at least two guide posts are fixedly installed on the inner side of the upper tooth plate; the number of guide posts and guide sleeves is the same, and the guide posts can be compared to The guide bush slides freely. The invention is a thread rolling machine with a simple and reasonable structure, which can change the gap between two thread rolling tooth plates and realize thread rolling of various screws with different diameters.
Description
technical field [0001] The invention mainly relates to the field of screw thread rolling machines, in particular to a screw thread rolling machine with variable working gap. Background technique [0002] Screws and bolts are mass-produced products, usually produced using thread rolling machines and thread rolling machines. The thread-rolling gap of the thread-rolling machine of the prior art cannot be adjusted usually, that is, the thread-rolling can only be performed for screws or bolts of the same diameter. This is because both thread rolling and thread rolling are processed by cold extrusion, and the workpiece is plastically deformed at room temperature to form a product. However, due to the need for various sizes of screws or bolts in the project, there is an urgent need to design a variable working gap screw thread rolling machine that can roll threads of screws with different diameters. Contents of the invention [0003] The technical problem to be solved by the pr...
Claims
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IPC IPC(8): B21H3/06
CPCB21H3/06
Inventor 班书昊李晓艳何云松
Owner CHANGZHOU UNIV