Rolling type pipe end forming machine
By setting a scale device on the pitch adjustment screw pair of the rolling tube end molding machine, the problem that operators need to rely on experience to adjust is solved, and the precise adjustment of the distance between the rolling outer mold and the pin is achieved.
Patent Information
- Application Number
- CN202510368126.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2025-06-20
AI Technical Summary
When adjusting the distance between the rolling outer mold and the top rod, the operator needs to rely on experience and the adjustment is not accurate enough.
The scale device is provided on the pitch adjustment screw pair, including the indexing line and the scale value, and the operator can make precise adjustments based on the scale device.
The distance between the rolling outer mold and the pin is accurately adjusted without experience, improving operation accuracy and reliability.
Smart Images
Figure CN120169958A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a pipe fitting processing device, in particular to a rolling type pipe end forming machine. Background Art
[0002] At present, for a pipe end forming machine that processes the end of a pipe fitting by rolling, there is one that uses a cam as the feed driving force. It mainly includes a frame, a rolling inner die, a rolling outer die, a cam, and a push rod. The rolling outer die is installed on a rolling outer die seat, and an adjusting screw pair for adjusting the distance is provided between the rolling outer die seat and the push rod. The distance between the rolling outer die and the push rod can be adjusted through the adjusting screw pair.
[0003] For the above-mentioned rolling type pipe end forming machine, when adjusting the distance between the rolling outer die and the push rod with the adjusting screw pair, the adjustment size is adjusted according to the operator's experience, with great randomness and inaccuracy. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to provide a rolling type pipe end forming machine, which enables an operator to accurately adjust the distance between the rolling outer die and the push rod without experience.
[0005] To solve the above technical problem, the rolling type pipe end forming machine of the present invention includes a frame, a rolling inner die, a rolling outer die, a cam, and a push rod. The rolling outer die is arranged on a rolling outer die seat, and an adjusting screw pair for adjusting the distance between the two is provided between the rolling outer die seat and the push rod. It is characterized in that: a scale device is arranged on the adjusting screw pair.
[0006] The present invention can adopt the following technical measures to achieve its technical problem.
[0007] The rolling type pipe end forming machine is characterized in that: the scale device is arranged on the nut of the adjusting screw pair.
[0008] The rolling type pipe end forming machine is characterized in that: the scale device is arranged on the screw of the adjusting screw pair.
[0009] The rolling type pipe end forming machine is characterized in that: the scale device is provided with graduation lines.
[0010] The rolling type pipe end forming machine is characterized in that: the scale device is provided with scale values.
[0011] The present invention can further adopt the following technical measures to further achieve its technical problem.
[0012] The graduation lines are linear.
[0013] The graduation lines are circular.
[0014] The present invention can also adopt the following technical measures to achieve its technical problems.
[0015] The described rolling tube end forming machine is characterized in that: the nut is a multi - angular nut, and the number of angles of the multi - angular nut is greater than 7.
[0016] The described rolling tube end forming machine is characterized in that: the screw is a multi - angular screw, and the number of angles of the multi - angular screw is greater than 7.
[0017] The described rolling tube end forming machine is characterized in that: the nut is a multi - groove nut, and the number of grooves of the multi - groove nut is greater than 7.
[0018] Since the distance - adjusting screw pair of the above - mentioned rolling tube end forming machine is provided with a scale device, when adjusting the distance between the rolling outer die and the ejector rod, the operator does not need experience and can accurately adjust by referring to the scale device provided on the distance - adjusting screw pair. Brief Description of the Drawings
[0019] The following will describe five embodiments of the present invention in conjunction with the drawings.
[0020] Figure 1 It is a schematic diagram of the first embodiment of the present invention.
[0021] Figure 2 It is a schematic diagram of the second embodiment of the present invention.
[0022] Figure 3 It is a schematic diagram of the third embodiment of the present invention.
[0023] Figure 4 It is a schematic diagram of the fourth embodiment of the present invention.
[0024] Figure 5 It is a schematic diagram of the fifth embodiment of the present invention. Detailed Embodiments
[0025] Figure 1The first embodiment of the present invention is shown. This embodiment includes a frame 1, a rolling inner mold 2, a rolling outer mold 4, a cam 10, and a push rod 9. The rolling outer mold 4 is arranged on a rolling outer mold base 6. A distance-adjusting screw pair is arranged between the rolling outer mold base 6 and the push rod 9 for adjusting the distance therebetween. The distance-adjusting screw pair includes a screw 8 and a nut 11. The pitch of the threads of the screw 8 and the nut 11 is 2. A scale device is arranged on the nut 11. The scale device includes graduation lines 3 and scale values 5. The graduation lines 3 are linear and there are 20 of them. Every time the nut 11 rotates one graduation line to the right, the nut 11 and the rolling outer mold base 6 move upward by 0.1 mm. A scale reference 12, which is a scoring line, is arranged on the rolling outer mold base 6. During operation, a pipe fitting is inserted onto the rolling inner mold 2. The motor drives the rolling inner mold 2 and the cam 10 to rotate. The cam 10 drives the push rod 9, the rolling outer mold base 6, and the rolling outer mold 4 to feed upward through a roller 7 to perform bulging processing on the pipe fitting. Measure the bulging size of the pipe fitting after processing, compare it with the size required by the drawing, and according to the difference, rotate the nut 11 and rotate the corresponding number of graduation lines.
[0026] Figure 2 The second embodiment of the present invention is shown. This embodiment includes a frame 1, a rolling inner mold 2, a rolling outer mold 4, a cam 10, and a push rod 9. The rolling outer mold 4 is arranged on a rolling outer mold base 6. A distance-adjusting screw pair is arranged between the rolling outer mold base 6 and the push rod 9. The distance-adjusting screw pair includes a screw 8. An internal thread 13 having the same thread as that of the screw 8 is machined at the corresponding position of the rolling outer mold base 6 with respect to the screw 8. At this time, the rolling outer mold base 6 also becomes the nut of the distance-adjusting screw pair. The pitch of the screw 8 is 2 and the screw 8 can rotate. A scale device is arranged on the screw 8. The scale device includes graduation lines 3. The graduation lines 3 are arranged in a circular shape and are 20 small round pits, or can also be small round holes drilled with a drill bit. Every time the screw 8 rotates one graduation line to the left, the rolling outer mold base 6 moves upward by 0.1 mm. During operation, a pipe fitting is inserted onto the rolling inner mold 2. The motor drives the rolling inner mold 2 and the cam 10 to rotate. The cam 10 drives the push rod 9, the rolling outer mold base 6, and the rolling outer mold 4 to feed upward through a roller 7 to perform bulging processing on the pipe fitting. Measure the bulging size of the pipe fitting after processing, compare it with the size required by the drawing, and according to the difference, rotate the screw 8 and rotate the corresponding number of graduation lines of the screw 8.
[0027] Figure 3The third embodiment of the present invention is shown. This embodiment includes a frame 1, a rolling inner mold 2, a rolling outer mold 4, a cam 10, and a push rod 9. The rolling outer mold 4 is arranged on a rolling outer mold base 6. A distance-adjusting screw pair is arranged between the rolling outer mold base 6 and the push rod 9 for adjusting the distance therebetween. The distance-adjusting screw pair includes a screw 8 and a nut 11. The pitch of the threads of the screw 8 and the nut 11 is 1.5. A scale device is arranged on the nut 11. The nut 11 is a multi-sided nut. The scale device includes the corners of the nut 11, and the corners of the nut 11 are the graduation lines of the scale device. For the accuracy of distance adjustment, the number of sides of the multi-sided nut 11 is greater than 7. In this embodiment, it is a fifteen-sided nut. Every time the nut 11 rotates one corner to the right, the nut 11 and the rolling outer mold base 6 move upward by 0.1 mm. A scale reference 12 is arranged on the rolling outer mold base 6, which is a scored line. During operation, the pipe fitting is inserted onto the rolling inner mold 2. The motor drives the rolling inner mold 2 and the cam 10 to rotate. The cam 10 drives the push rod 9, the rolling outer mold base 6, and the rolling outer mold 4 to feed upward through the roller 7, and performs bulging processing on the pipe fitting. Measure the bulging size of the pipe fitting after processing, compare it with the size required by the drawing, and according to the difference, rotate the nut 11 by the corresponding number of corners.
[0028] Figure 4 The fourth embodiment of the present invention is shown. This embodiment includes a frame 1, a rolling inner mold 2, a rolling outer mold 4, a cam 10, and a push rod 9. The rolling outer mold 4 is arranged on a rolling outer mold base 6. A distance-adjusting screw pair is arranged between the rolling outer mold base 6 and the push rod 9. The distance-adjusting screw pair includes a screw 8. The rolling outer mold base 6 is machined with an internal thread 13 corresponding to the screw 8 and having the same thread as the screw 8. At this time, the rolling outer mold base 6 also becomes the nut of the distance-adjusting screw pair. The pitch of the screw 8 is 2, and the screw 8 can rotate. A scale device is arranged on the screw 8. The screw 8 is a multi-sided screw. The scale device includes the surface of the multi-sided screw 8 and the scale value 5 on the surface. The surface of the multi-sided screw 8 is the graduation line 3 of the scale device. For the accuracy of distance adjustment, the number of sides of the multi-sided screw 8 is greater than 7. In this embodiment, it is a twenty-sided screw. Every time the screw 8 rotates one surface to the left, the rolling outer mold base 6 moves upward by 0.1 mm. During operation, the pipe fitting is inserted onto the rolling inner mold 2. The motor drives the rolling inner mold 2 and the cam 10 to rotate. The cam 10 drives the push rod 9, the rolling outer mold base 6, and the rolling outer mold 4 to feed upward through the roller 7, and performs bulging processing on the pipe fitting. Measure the bulging size of the pipe fitting after processing, compare it with the size required by the drawing, and according to the difference, rotate the screw 8 by the corresponding number of surfaces.
[0029] Figure 5The fifth embodiment of the present invention is shown. This embodiment includes a frame 1, a rolling inner die 2, a rolling outer die 4, a cam 10, and a ejector rod 9. The rolling outer die 4 is arranged on a rolling outer die base 6. An adjustable screw pair is arranged between the rolling outer die base 6 and the ejector rod 9 for adjusting the distance therebetween. The adjustable screw pair includes a screw 8 and a nut 11. The pitch of the threads of the screw 8 and the nut 11 is 1.5. A scale device is arranged on the nut 11. The nut 11 is a multi-groove nut. The scale device includes the grooves of the nut 11, and the grooves of the nut 11 are the graduation lines 3 of the scale device. For the accuracy of distance adjustment, the number of grooves of the multi-groove nut 11 is greater than 7. In this embodiment, it is a fifteen-groove nut. Every time the nut 11 rotates one groove to the right, the nut 11 and the rolling outer die base 6 move upward by 0.1 mm. During operation, a pipe fitting is inserted on the rolling inner die 2, and the motor drives the rolling inner die 2 and the cam 10 to rotate. The cam 10 drives the ejector rod 9, the rolling outer die base 6, and the rolling outer die 4 to feed upward through a roller 7 to perform grooving processing on the pipe fitting. Measure the size of the groove of the pipe fitting after processing, compare it with the size required by the drawing, and according to the difference, rotate the nut 11 by the corresponding number of grooves.
[0030] In the above five embodiments, since the adjustable screw pair of the rolling pipe end forming machine is provided with a scale device, when adjusting the distance between the rolling outer die and the ejector rod, the operator does not need experience and can accurately adjust by referring to the scale device arranged on the adjustable screw pair. Of course, the scale device of the rolling pipe end forming machine described in the present invention is not limited to the above embodiments. The graduation lines described in the present invention are not limited to linear and circular shapes, etc., and can also be other shapes.
Claims
1. A rolling type pipe end forming machine, comprising a frame, a rolling inner die, a rolling outer die, a cam and a push rod, wherein the rolling outer die is arranged on a rolling outer die seat, and a distance adjusting screw pair for adjusting the distance between the rolling outer die seat and the push rod is arranged between the rolling outer die seat and the push rod, and the characteristics are: The distance adjusting screw pair is provided with a scale device.
2. The rolling tube end forming machine according to claim 1, characterized in that: The scale device is arranged on the nut of the distance adjusting screw pair.
3. The rolling tube end forming machine according to claim 1, characterized in that: The scale device is arranged on the screw of the distance adjusting screw pair.
4. The rolling tube end forming machine according to claim 1, characterized in that: The scale device is provided with graduation lines.
5. The rolling tube end forming machine according to claim 1, characterized in that: The scale device is provided with scale values.
6. The rolling tube end forming machine according to claim 4, characterized in that: The graduation line is linear.
7. The rolling tube end forming machine according to claim 4, characterized in that: The graduation line is circular.
8. The rolling tube end forming machine according to claim 2, characterized in that: The nut is a polygonal nut, and the number of angles of the polygonal nut is greater than 7.
9. The rolling tube end forming machine according to claim 2, characterized in that: The nut is a multi-slot nut, and the number of slots of the multi-slot nut is greater than 7.