CN110695094A

CN110695094A - Knurling molding process for cup body of vacuum cup

Info

Publication number: CN110695094A
Application number: CN201910998265.8A
Authority: CN
Inventors: 田丰科
Original assignee: Wuyi Xinhe Daily Necessities Co Ltd
Current assignee: Wuyi Xinhe Daily Necessities Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-01-17

Abstract

The invention provides a knurling molding process of a cup body of a vacuum cup, which comprises the following steps: s1, manufacturing a cup body shell, and obtaining a cup body shell pipe fitting with a proper length; s2, processing the welding seam of the pipe fitting to enable the welding seam to be consistent with the surface of the pipe body and smooth; s3, forming the pipe fitting to form a standard cup body shell; s5, polishing the surface of the cup shell; s6, rolling the cup shell by a rolling wheel, wherein the patterns of the rolling wheel are pressed on the surface of the cup shell to form concave-convex patterns; s7, shaping the shell of the cup body; s8, welding the inner container and the cup bottom, and vacuumizing; and S9, and finally polishing. The process adopted by the invention can form a complete circle of knurls in a concave-convex state on the cup body, the knurls have aesthetic feeling and can also effectively prevent skidding.

Description

Knurling molding process for cup body of vacuum cup

Technical Field

The invention relates to the technical field of vacuum cups, in particular to a knurling molding process of a cup body of a vacuum cup.

Background

The surface pattern forming of the vacuum cup comprises a stamping technology and a laser engraving technology, wherein the stamping technology is carried out when the cup body is positioned on a flat plate, then the flat plate is enclosed and synthesized into a circular tube, then the butt joint part is welded, and finally the integral polishing is carried out. Particularly where the weld requires a deeper, greater range of finish.

There is a problem that a stamping pattern cannot be formed in this area due to a polishing problem of a welded portion, and even stamping is broken. At present, the cup body is only partially embossed.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a technology for forming patterns of a cup body of a vacuum cup by integrally rolling the cup.

The purpose of the invention can be realized by the following technical scheme: a knurling molding process of a vacuum cup body comprises the following steps:

s1, manufacturing a cup body shell, and obtaining a cup body shell pipe fitting with a proper length;

s2, processing the welding seam of the pipe fitting to enable the welding seam to be consistent with the surface of the pipe body and smooth;

s3, forming the pipe fitting to form a standard cup body shell;

s5, polishing the surface of the cup shell;

s6, rolling the cup shell by a rolling wheel, wherein the patterns of the rolling wheel are pressed on the surface of the cup shell to form concave-convex patterns;

s7, shaping the shell of the cup body;

s8, welding the inner container and the cup bottom, and vacuumizing;

and S9, and finally polishing.

Further, in step S6, the cup body shell is inserted into the main core mold, the axis of the rolling wheel is parallel to the axis of the cup body shell, the surface of the rolling wheel is pressed against the cup body shell, and both the cup body shell and the rolling wheel roll.

Further, in step S6, one of the cup body housing and the rolling wheel is driven to roll, and the other is driven to roll.

Further, in step S6, the cup shell is inserted into the main core mold, both ends of the main core mold are mounted on a support of a machine tool and can be lifted, a rolling wheel is arranged on the machine tool, the surface of the rolling wheel has raised patterns, the rolling wheel is driven by a motor, the cup shell is pressed against the rolling wheel after being lowered, the rolling wheel extrudes the cup shell, the cup shell is driven by the rolling wheel to rotate, and the rolling wheel imprints the whole circumference of the cup shell in a covering manner.

Further, in step S6, the cup body shell is in contact with the rolling wheel, and the rolling wheel is immediately separated from the cup body shell when the cup body shell rolls for one turn.

Further, in step S7, the cup shell is sleeved with an expansion rod to expand and press, so that the cup shell is rounded.

Further, in step S7, the cup shell is sleeved in an expansion rod, the expansion rod comprises an upper die and a lower die, the bottom of the lower die is provided with a tray capable of sliding along the sleeve-in direction of the cup shell, the upper die can lift, the cup shell is sleeved on the lower die, and the upper die pushes and presses the cup shell to enable the cup shell to be extruded and deformed with the lower die.

Further, in step S7, the lower mold includes a two-segment cylinder, a joint between the upper cylinder and the lower cylinder is guided by an inclined plane, and a diameter of the upper cylinder is smaller than a diameter of the lower cylinder.

Further, in step S7, one end of the cup body shell is rounded, and then the other end is rounded after turning.

Further, in step S9, the cup body shell is finish polished to a depth less than the depth of the embossed dimples.

Compared with the prior art, the process adopted by the invention can form a complete circle of knurls in a concave-convex state on the cup body, the knurls have more aesthetic feeling and can also effectively prevent skidding.

Drawings

FIG. 1 is a schematic diagram of the preparation of the rolling process of the present invention.

FIG. 2 is a schematic view of the rolling process of the present invention.

Fig. 3 is a schematic diagram of the reshaping according to the present invention.

FIG. 4 is a schematic drawing of the present invention.

In the figure: 1, rolling wheels; 2, a cup body shell; 3, lower die; 4 trays.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

The method comprises the following steps:

and S1, adopting the reel pipe and the cutting pipe of the prior art to wind and weld the plate, and then cutting the pipe to obtain the pipe fitting of the cup body shell 2 with the proper length.

In the specific operation, step 1.1, whether the tool edge of the tool fixture is abraded or notched is checked; cleaning a connecting disc of a die and a lathe, correcting by using a dial indicator, and jumping a spindle core mould within +/-0.05 mm;

step 1.2, before operation:

step 1, starting a power supply to start a lathe to check and adjust the good performance of equipment;

step 1, B, picking up a workpiece to be processed and checking whether a pipe fitting to be processed is correct;

step 1, adjusting equipment to ensure the size of the processed pipe fitting;

and (3) grabbing the pipe by the right hand, inserting one end of the pipe into the main core mould, pressing a machine tool switch by the left hand, pressing the cutter wheel to the end of the pipe for cutting, withdrawing the cutter wheel, taking out the processed pipe diameter, and cutting the next section of pipe in the same way.

And performing seam rolling, and processing the welding seam of the pipe fitting to enable the welding seam to be consistent and flat with the surface of the pipe body.

In the specific operation, step 1.1, before the operation:

step 1, B, receiving the pipe fitting to be processed and checking whether the pipe fitting to be processed is correct;

step 1, adjusting the equipment stroke;

and inserting the short pipe fitting into the main core mold, adjusting the position of the welding seam of the short pipe fitting under the roller, pressing the equipment switch to enable the roller to be pressed to the end face of the short pipe fitting to press and roll the welding seam, withdrawing the roller, taking out the machined workpiece, and machining the next short pipe fitting in the same way.

And performing water expansion molding treatment on the pipe fitting to form a standard cup body shell 2.

Step 1, checking whether a tool die is damaged; cleaning the working table surfaces of the die and the water expander, checking the O-shaped seal of the die and the integrity of the sealing ring, and if the sealing ring is worn, breaking the sealing ring and replacing the sealing ring in time;

step 2, before operation;

step 2.A, detaching the core rod of the mold, placing the mold on the working table surface of the water expander, and ensuring the positioning seam allowance of the mold; the positioning spigot of the workbench is matched;

step 2, butting an upper die and a lower die of the die, slowly descending and pressing the main cylinder of the water expansion machine in a inching mode, pressing the upper die and the lower die by a pressing plate, fixedly screwing a nut, and after the upper die and the lower die are fixedly installed, manually ascending the upper cylinder and pressing down

Checking the concentricity and the verticality of the upper cavity and the lower cavity when the upper cavity and the lower cavity are matched;

step 2, C, taking O-shaped rings (leather rings) of corresponding workpiece specifications on the core rods, sleeving the O-shaped rings (leather rings) on the upper and lower die core rods, sleeving the leather rings on all the inner container core rods, placing the lower die core rod into a lower die, and inserting the upper die core rod into the upper die to be screwed tightly by screws; adjusting the stroke of a machine according to the heights of the die and the workpiece, and if the stroke of the press cannot meet the height stroke of the workpiece, using a side pull cylinder, and adjusting the upper die by fast rotation and slow stroke without impacting the lower die;

and step 2, E, receiving the pipe to be processed and checking whether the process on the pipe to be processed is qualified.

And 3, inserting the pipe fitting into a water expansion die, pressing a switch, automatically closing the die, supplementing water, expanding the shape, automatically opening the die after the die is closed, taking out the formed cup body shell 2, and processing the next pipe fitting in the same way.

And polishing the surface of the cup body shell 2. Sand welding lines (ribs) ensure that the whole surface is smooth. Sand (rough polishing) is used for surface treatment to ensure that polishing does not wear patterns.

Step of sand welding seam

1.1, before operation:

step 1, starting a power supply to start the belt sander to check and adjust the equipment to have good performance;

step 1, B, getting the cup body shell 2 and checking whether the cup body shell 2 to be processed is correct;

the operation steps are as follows: the two ends of the cup body are held, the welding line is aligned to the abrasive belt, and the left and right sliding is carried out to clean the welding line.

The requirements of the abrasive belt are as follows: 120 meshes.

And before operation:

step 2, A, starting a power supply to start the belt sander to check and adjust the equipment to have good performance;

step 2, B, getting the shell 2 of the cup body to be processed and checking whether the shell 2 of the cup body to be processed is correct;

the operation steps are as follows: the cup body is sleeved into the clamp, the handle of the clamp is held by one hand, the other end of the cup opening is protected by the other hand (with the protective tool) and is close to the abrasive belt, the surface layer of the cup body is sanded cleanly, and the grains are fine and uniform.

The requirements of the abrasive belt are as follows: 240 meshes.

And rolling the cup body shell 2 by using a rolling wheel 1, wherein the patterns of the rolling wheel 1 are pressed on the surface of the cup body shell 2 to form concave-convex patterns (the depth of the embossing is 0.2-0.3 mm).

The embossing process comprises the following steps:

step 1.1, checking whether a tool edge of a tool fixture is abraded or notched; cleaning a die and a machine tool connecting disc, and correcting the core die of the main shaft to bounce within +/-0.05 mm by using a dial indicator;

step 1.2, before operation:

step 1, starting a power supply to start a machine tool to check and adjust the equipment to have good performance;

step 1, adjusting the relative position of a rolling wheel 1 and a main core mould, wherein the parallel gap between the rolling wheel 1 and the main core mould is moderate;

the cup body shell 2 is inserted into a main core mould, two ends of the main core mould are erected on a machine tool support and can roll, and the cup body shell 2 is locked by starting equipment when an equipment button is pressed.

The main core die is arranged on the frame and can be lifted, and the lifting mechanism is realized by adopting the traditional pneumatic, hydraulic or screw rod transmission mode.

The machine frame is provided with a rolling wheel 1, the surface of the rolling wheel 1 is provided with raised patterns, and the rolling wheel 1 is driven by a motor to rotate. The axle center of the rolling wheel 1 is parallel to the axle center of the cup body shell 2.

And starting a motor, wherein the motor drives the rolling wheel 1 to rotate at the rotating speed of 8 circles/minute.

The lifting structure is started to drive the main core mold and the cup body shell 2 to descend, and the surface of the cup body shell 2 is in contact extrusion with the surface of the rolling wheel 1. The raised patterns of the rolling wheel 1 extrude the cup body shell 2, and the cup body shell 2 forms the concave patterns. The rolling wheel 1 drives the cup body shell 2 to rotate.

After one circle of rolling is set, the cup body shell 2 is separated from the rolling wheel 1 immediately. The overlapping extrusion is avoided, and due to the fact that the cup body shell 2 rotates in a driven mode, the overlapping extrusion patterns can be dragged to form double images. The above steps can form a complete pattern concave shape of the cup body shell 2.

Carry out the plastic to cup shell 2, the whole meeting of cup body warp behind the annular knurl, it is whole even with the cup body through the plastic, guarantee welding dimension, adopt 30T press and expander roll.

Specifically, step 1.1, checking whether the surface of the tool clamp is abraded or notched; cleaning a die and a machine tool connecting disc,

step 1.2, before operation:

step 1, adjusting the concentricity of the upper die and the lower die 3 to +/-0.1;

step 1, C, receiving the cup body shell 2 to be processed and checking whether the procedures on the cup body shell 2 to be processed are qualified;

the operation steps are as follows: for example, when the cup of straight section of thick bamboo is processed, embolia the expander roll with cup shell 2, the expander roll includes mould and

lower mould

3, and 3 bottoms of lower mould are equipped with one and can embolia the gliding tray 4 of direction along cup shell 2, go up the mould and can go up and down, and cup shell 2 overlaps on lower mould 3, goes up the mould and bulldozes cup shell 2, makes cup shell 2 and lower mould 3 extrusion deformation. Pressing an equipment button, starting the equipment, slowly descending the upper die to press the cup body shell 2, expanding the cup body shell 2 to a circle, retreating the upper die after the cup body shell 2 is in place, lifting the tray 4 of the lower die 3 to eject a workpiece, taking out the cup body shell 2, and replacing the other end to expand and press in the same way; the upper die comprises a two-section type cylinder, the joint of the upper cylinder and the lower cylinder is guided by an inclined plane, and the diameter of the upper cylinder is smaller than that of the lower cylinder.

For example, when the cup bodies having different sizes at both ends are processed, the lower die 3 has a truncated cone shape.

Welding the inner container and the cup bottom, and vacuumizing are all the existing processes.

And finally polishing.

And before operation:

step 1, starting a power supply to start a polishing machine to check and adjust the good performance of equipment;

step 1, B, picking up a workpiece to be processed and checking whether the workpiece to be processed is correct;

the operation steps are as follows: the cup body is sleeved into the clamp, the cup bottom is protected by one hand (with the protective tool), the cup mouth is protected by the other hand (with the protective tool), the cup body is close to the rotating cotton fiber, the surface layer of the cup body is thrown clean, the grains are fine and uniform, and the next short pipe is processed in the same mode.

The cotton fiber is required to be: 320 mesh

The fine grinding polishing depth is less than the depth of the embossed intaglio.

The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A knurling molding process of a vacuum cup body is characterized by comprising the following steps:

s3, forming the pipe fitting to form a standard cup body shell;

s5, polishing the surface of the cup shell;

s7, shaping the shell of the cup body;

s8, welding the inner container and the cup bottom, and vacuumizing;

and S9, and finally polishing.

2.A knurling molding process for a vacuum cup body according to claim 1, wherein in step S6, the cup body shell is inserted into the main core mold, the axis of the rolling wheel is parallel to the axis of the cup body shell, the surface of the rolling wheel is pressed with the cup body shell, and both the cup body shell and the rolling wheel roll.

3. A knurling molding process for a vacuum cup body according to claim 1 or 2, characterized in that in step S6, one of the cup body shell and the rolling wheel is driven to roll actively, and the other is driven to roll.

4. A knurling molding process for a vacuum cup body according to claim 1 or 2, characterized in that in step S6, the cup body shell is inserted into the main core mold, both ends of the main core mold are erected on a machine tool support and can be lifted, a rolling wheel is arranged on the machine tool, the surface of the rolling wheel is provided with raised patterns, the rolling wheel is driven by a motor, the cup body shell is pressed to the rolling wheel after being lifted, the rolling wheel presses the cup body shell, the rolling wheel drives the cup body shell to rotate, and the rolling wheel covers and imprints the whole circumference of the cup body shell.

5. A knurling process for a thermos cup body according to claim 1 or 2, characterized in that in step S6, the cup body shell is contacted with the rolling wheel, and the rolling wheel is separated from the cup body shell immediately when the cup body shell rolls for one circle.

6. A knurling molding process for a vacuum cup body according to claim 1, wherein in step S7, the cup body shell is sleeved in an expanding rod to expand and press, so that the cup body shell is round.

7. A knurling molding process for a vacuum cup body as claimed in claim 1 or 6, wherein in step S7, the cup body housing is fitted into an expanding rod for expanding and pressing, the expanding rod comprises an upper die and a lower die, a tray capable of sliding along the fitting direction of the cup body housing is provided at the bottom of the lower die, the upper die is capable of lifting, the cup body housing is fitted on the lower die, and the upper die pushes and presses the cup body housing to extrude the cup body housing and the lower die.

8. A knurling molding process for a cup body of a vacuum cup according to claim 7, wherein in step S7, the lower mold comprises a two-section cylinder, the joint of the upper cylinder and the lower cylinder is guided by an inclined plane, and the diameter of the upper cylinder is smaller than that of the lower cylinder.

9. A knurling molding process for a vacuum cup body according to claim 8, wherein in step S7, one end of the cup body shell is rounded first, and then the other end is rounded after turning.

10. A knurling molding process for a vacuum cup body in accordance with claim 1, wherein in step S9, the cup body shell is finish polished to a depth less than the depth of the embossed dimples.