CN115488437A - Combined rolling processing technology for large disc gear and large tripod gear on double-sided circular knitting machine - Google Patents

Abstract

The invention relates to a co-rolling processing technology of the large-plate gear and the large-plate gear on a double-sided large circular machine. The large-plate gear and the large-plate gear are stacked and processed synchronously through the tooling, which reduces various errors caused by single processing. The invention uses the new The processing technology can greatly reduce the processing error, shape tolerance, clamping error and hobbing machine error in the rough and fine rolling of the tooth surface of the big plate gear and the big tripod gear in the gear hobbing machine. It produces a uniform and good effect, the accuracy is greatly improved, and the synchronous debugging of the large plate gear and the big tripod gear is much smoother.

Description

A co-rolling process of large disc gear and big tripod gear on double-sided large circular knitting machine

technical field

The invention relates to the field of large circular knitting machines, in particular to a co-rolling process of a large disc gear and a large tripod gear on a double-sided large circular knitting machine.

Background technique

Both the big tripod gear and the large plate gear are the main components of the circular knitting machine, which are used to drive the upper needle plate and the lower needle cylinder to move synchronously, thereby driving the upper and lower crochets; when the large circular knitting machine is working, it is necessary to ensure that the big tripod gear and the large plate gear are in synchronization The concentricity and the consistency of the running angle during operation, but because the two gears are processed separately, there will be errors in the direction of the clamping roundness, the processing error of the workpiece itself, and the clearance fit error between the worm gear and the worm of the hobbing machine tool, so the large plate gear and After the big tripod gear is assembled, the synchronous correction and debugging cannot meet the ideal requirements, which may eventually cause deviations in the running angle and concentricity of the upper dial and the lower needle cylinder, which will affect the movement of the knitting needles and reduce the quality of the fabric surface.

Contents of the invention

(1) Technical problems to be solved

In order to solve the above-mentioned problems in the prior art, the present invention provides a co-rolling process of the large disc gear and the large tripod gear on the double-sided large circular knitting machine. The rough and fine rolling of the tooth surfaces of the large disc gear and the large tripod gear on the hobbing machine can greatly reduce the processing Errors and shape tolerances, clamping errors and hobbing machine errors, the runout of the two addendum circles, and the length of the common normal can all produce a uniform and good effect.

(2) Technical solution

In order to achieve the above object, the main technical solutions adopted in the present invention include:

A co-rolling process of a large plate gear and a large tripod gear on a double-sided large circular knitting machine is characterized in that it includes the following steps:

Step 1: Roll out the tooling on the working table of the gear hobbing machine, and lock the outer circle and flatness of the tooling to the center of the working table within 0.01mm;

Step 2: Calibrate the outer circle of the large plate gear within 0.01mm, then gently place the gear washer on the outer top of the large plate gear, and then align the inner hole of the big tripod gear with the boss of the center positioning tool to cooperate, and at the same time, the outer bottom of the big tripod gear and Gear washers, dense contact;

Step 3: Put several clamp pads on the outer side of the upper end of the big tripod gear, press it to the top of the clamp pad through the clamp pressure plate, lightly lock the top of the other end of the clamp pressure plate with a nut, and align the dial indicator of the two magnetic gauges with the large gear The top and bottom of the big tripod gear are at the same position, and the runout is within 0.01mm. The nuts are locked symmetrically one by one.

Step 4: Deburring after completion.

Further, the matching gap between the inner hole of the big tripod gear and the boss of the central positioning tool is 0.02mm-0.03mm.

Further, there are 8 clamp pads evenly distributed on the outer side of the upper end of the big tripod gear.

Further, the fixture pressure plate is arranged horizontally; the end of the fixture pressure plate away from the fixture pad is sleeved on the fixed rod vertically arranged on the workbench; the nut is threadedly connected with the fixed rod.

Further, said step 4 also includes marking the same position after completion.

(3) Beneficial effects

The beneficial effects of the present invention are: using the new processing technology to rough and finely roll the tooth surface of the large plate gear and the big tripod gear on the gear hobbing machine can greatly reduce the machining error, shape tolerance, clamping error and hobbing machine error, and the two pieces of addendum round The beating and the length of the common normal line can produce a uniform and good effect, and the accuracy is greatly improved. The synchronous debugging of the large plate gear and the big tripod gear is much smoother.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the installation schematic diagram of processing technology of the present invention;

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "installation", "connection", etc. should be understood in a broad sense, such as "connection", which can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Embodiment 1, please refer to as shown in Figure 1:

A co-rolling process of large disc gears and large tripod gears on a double-sided large circular knitting machine, comprising the following steps:

Step 1: roll out the tooling 10 on the working table 50 of the gear hobbing machine, and lock the outer circle and flatness of the calibration tooling 10 on the center of the working table 50 within 0.01mm; the bottom of the tooling 10 is provided with a through hole 11 for fixed connection with the working table 50 When calibrating the outer circle of the tooling 10, the central axis of the tooling 10 coincides with the central rotation axis of the workbench 50, and when the flatness is calibrated within 0.01mm, it can rotate synchronously with the workbench 50; Boss 12 fitted with inner hole;

Step 2: Adjust the outer circle of the large plate gear 40 to within 0.01mm, so as to ensure that the large plate gear 40 rotates coaxially with the workbench 50 and the tooling 10, and then gently place the gear washer 30 on the outer surface of the large plate gear 40. The inner hole of the big tripod gear 20 is aligned with the boss 12 of the central positioning tool for cooperation, and at the same time, the outer bottom of the big tripod gear 20 is in close contact with the gear washer 30; the gear washer 30 can prevent the large plate gear 40 from overlapping with the big tripod gear 20 on the one hand On the other hand, it can avoid the direct overlapping of the large plate gear 40 and the large tripod gear 20 to affect the quality of the end face. Further, the dense contact connection is carried out through the gear washer 30, which can effectively reduce the impact on the large plate gear 40 and the large plate gear 40 compared with screw fixed connection. The side force of the big tripod gear 20 avoids affecting the roundness of the gears, and the direct stacking method can ensure that the big tripod gear 40 and the big tripod gear 20 are only subjected to longitudinal pressure during positioning, which can improve positioning accuracy and roundness, and After fixing in the subsequent steps, it will basically not affect the runout value of the large plate gear 40 and the big tripod gear 20, which effectively improves the consistency;

Step 3: Place several clamp pads 17 on the outside of the upper end of the Dading gear 20, preferably place the clamp pads 17 evenly distributed on 8 places outside the upper end of the Dading gear 20, press the clamp pressure plate 16 to the top of the clamp pad 17, and press the clamp pressure plate 16 is sleeved on the fixed rod 14 vertically arranged on the workbench 50 at the end far away from the clamp spacer 17. The fixed rod 14 is threaded with a nut 15 located above the clamp pressure plate 16, and is lightly locked by the nut 15, and the clamp pressure plate 16 is arranged horizontally. Since there will be a certain step on the outer side and the middle of the upper end of the big tripod gear 20, in order to ensure that the clamp pressure plate 16 remains horizontal, multiple clamp pads 17 can also be set at the same position to raise the clamp pressure plate 16 to the level. position; the dial gauges of the two magnetic clamps are aligned with the top and bottom of the large plate gear 40 and the big tripod gear 20, and the jump is within 0.01mm. The nuts 15 are symmetrically locked one by one. After locking, the upper and lower dial gauges have no jump The change starts to gear hobbing; the nut 15 is lightly locked to reduce the influence of the downforce on the large plate gear 40 and the big tripod gear 20, and avoid errors in the gear flatness; it is convenient to adjust, and at the same time, light locking can improve the accuracy of calibration At the same time, it is convenient to adjust. Since it is fixed by applying vertical downward force, light locking can simulate the force state after locking and improve the accuracy of calibration. At the same time, one end of the clamp pressing plate 16 is sleeved on the fixed rod 14 and pressed down by tightening the nut 15. The elasticity of the clamp pressing plate 16 is used to apply a downward pressure to the clamp cushion block 17, which effectively controls the size of the downward pressure and can avoid hard connection. For the deformation of tripod gear 20, using the elastic soft connection of the present invention to press down can provide relatively pure downforce and reduce the influence of hard connection on big tripod gear 20;

Step 4: Deburring after completion.

Further, the matching gap between the inner hole of the big tripod gear and the boss of the central positioning tool is 0.02mm-0.03mm.

Further, said step 4 also includes marking the same position after completion.

The present invention uses the new processing technology to rough and finely roll the tooth surfaces of the large plate gear and the big tripod gear in the gear hobbing machine, which can greatly reduce the machining error, shape and position tolerance, clamping error and hobbing machine error, and the runout of the two addendum circles, the common normal line The length can produce a uniform and good effect, the accuracy is greatly improved, and the synchronous debugging of the large plate gear 40 and the big tripod gear 20 is much smoother.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent transformations made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in related technical fields, are all included in the same principle. Within the scope of patent protection of the present invention.

Claims (5)

1. A large-plate gear and a large tripod gear co-rolling processing technology on a double-sided large circular knitting machine, is characterized in that: comprise the following steps: Step 1: Roll out the tooling on the working table of the gear hobbing machine, and lock the outer circle and flatness of the tooling to the center of the working table within 0.01mm; Step 2: Calibrate the outer circle of the large plate gear within 0.01mm, then gently place the gear washer on the outer top of the large plate gear, and then align the inner hole of the big tripod gear with the boss of the center positioning tool to cooperate, and at the same time, the outer bottom of the big tripod gear and Gear washers, dense contact; Step 3: Put several clamp pads on the outer side of the upper end of the big tripod gear, press it to the top of the clamp pad through the clamp pressure plate, lightly lock the top of the other end of the clamp pressure plate with a nut, and align the dial indicator of the two magnetic gauges with the large gear The top and bottom of the big tripod gear are at the same position, and the runout is within 0.01mm. The nuts are locked symmetrically one by one. Step 4: Deburring after completion. 2. The co-rolling process of the large plate gear and the large tripod gear on the double-sided large circular knitting machine according to claim 1, characterized in that: the fit clearance between the inner hole of the large tripod gear and the boss of the central positioning tool is 0.02 mm-0.03mm. 3. A co-rolling process of the large plate gear and the large tripod gear on the double-sided large circular knitting machine according to claim 1, characterized in that 8 clamp pads are evenly distributed outside the upper end of the large tripod gear. 4. The co-rolling process of the large plate gear and the large tripod gear on the double-sided large circular knitting machine according to claim 1, characterized in that: the clamping plate is arranged horizontally; the end of the clamping plate far away from the clamp pad is sleeved On the fixed rod vertically arranged on the workbench; the nut is threadedly connected with the fixed rod. 5. A co-rolling process of the large disc gear and the large tripod gear on the double-sided large circular knitting machine according to claim 1, characterized in that: said step 4 also includes marking at the same position after completion.

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