Main shaft mechanism for three-shaft spiral pipe bending machine

Abstract

The utility model relates to the field of electric heating pipes, in particular to a main shaft mechanism for a three-shaft spiral pipe bending machine. The main shaft mechanism for the three-shaft spiral pipe machine comprises a machine frame, a forming die, a die base and a main shaft, the forming die and the die base are arranged on the main shaft, the forming die is arranged on the die base, a material returning mechanism is arranged in the main shaft, the main shaft is installed in a shaft sleeve e, the shaft sleeve e is installed on the machine frame, the main shaft is connected with a main shaft servo, and the main shaft mechanism is connected with a control mechanism. The utility model has the beneficial effects that the structure is novel, the design is ingenious and simple, the parts are simplified, the main shaft drives the forming die to rotate, the material pushing rod pushes the material pushing seat to finish material returning and demolding after processing is finished, the operation flow is reasonable, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of electric heating pipes, in particular to a main shaft mechanism for a three-axis spiral pipe bending machine. Background Art

[0002] The main component of heating appliances is the heating tube. The shape of the heating tube is different when used in different products. The heating tube in the electric iron is usually U-shaped, and the heating tube in the oven is another shape. When the heating tube needs to be formed into a spiral shape, it needs to be processed by equipment. Some equipment has complex design and low processing efficiency. The spindle mechanism not only has to drive the rotation, but also has to complete the material return, otherwise it will affect production efficiency. Summary of the Invention

[0003] In order to solve the above technical problems of complex design and the need to drive rotation and return material, the utility model provides a main shaft mechanism for a three-axis spiral pipe bending machine.

[0004] The technical solution of the utility model is as follows:

[0005] The spindle mechanism of the three-axis spiral pipe bending machine includes a frame, a forming mold, a mold base and a spindle. The spindle is provided with a forming mold and a mold base, the mold base is provided with a forming mold, the spindle is provided with a material return mechanism, the spindle is installed in a shaft sleeve e, the shaft sleeve e is installed on the frame, the spindle is connected to the spindle servo, and the spindle mechanism is connected to the control mechanism.

[0006] The surface of the forming mold is provided with a placement groove, and a socket is provided at one end of the inner side of the placement groove. The surface of the forming mold is in a stepped shape, and the number of levels is more than two. There is a material ejection seat in the mold seat, and a material return mechanism is located below the material ejection seat. The outer sleeve of the main shaft is provided with a shaft sleeve e, and the shaft sleeve e is installed on the frame. Mounting grooves are provided at both ends of the lower part of the main shaft. The material return mechanism includes a material return rod, the top of the material return rod is a material ejection plate, the middle is a straight rod body, and the bottom is a movable rod. The movable rod is horizontally arranged in the mounting groove, and a movable sleeve seat is provided below the movable rod. The movable sleeve seat is arranged outside the main shaft, and the movable rod is connected to the rod bodies on both sides of the movable sleeve seat. The movable sleeve seat is connected to the upper and lower cylinders. The bottom end of the main shaft is connected to the main shaft servo through a connecting piece b, and a main shaft servo is provided at the bottom of the mounting frame b.

[0007] The shaft sleeve e is provided with a bearing on the inner side of the top, a bearing fixing ring on the outer side of the bearing, a mounting plate a on the bottom, a mounting plate b on the bottom of the top of the main shaft, a mounting plate b and a mounting plate c on the lower sleeve of the main shaft, the mounting plate b is in contact with the mounting plate a, and a return sleeve is provided under the top material plate.

[0008] The frame includes a bracket and a fixing plate b. The fixing plate b is provided on the surface of the bracket, and a mounting frame b is provided on the bottom of the fixing plate b.

[0009] The technical solution of the utility model has a novel structure, a clever and simple design, and streamlined components. The main shaft drives the forming mold to rotate, and after the processing is completed, the ejector rod pushes the ejector seat to complete the ejection and demoulding. The operation process is reasonable and the production efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 、 2 It is a structural diagram of the utility model;

[0011] Figure 3 、 4 , 5, and 6 are schematic structural diagrams of the entire machine according to the embodiment;

[0012] Figure 7 、 8 It is a structural diagram of the shaft sleeve e of the utility model;

[0013] Figure 9 It is a structural diagram of the main shaft of the utility model;

[0014] Figure 10 This is a structural diagram of the material ejection rod of the utility model;

[0015] Figure 11 This is a schematic diagram of the structure in which the pipe sleeve, rotating shaft and pressing wheel are separated;

[0016] Figure 12 Schematic diagram of the structure of the working station of the embodiment. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example

[0018] like Figure 1 、 2 The spindle mechanism for the three-axis spiral pipe bending machine shown in 3, 5, 7, 8, and 9 includes a frame 21, a forming mold 6, a mold seat 7, and a spindle 8. The spindle 8 is provided with a forming mold 6 and a mold seat 7. The mold seat 7 is provided with a forming mold 6. The spindle 8 is provided with a material return mechanism 9. The spindle 8 is installed in a sleeve e29, and the sleeve e29 is installed on the frame 21. The spindle 8 is connected to the spindle servo 10, and the spindle mechanism and the control mechanism are connected.

[0019] The surface of the forming mold 6 is provided with a placement groove, and a socket is provided at one end of the inner side of the placement groove. The surface of the forming mold 6 is in a stepped shape, and the number of levels is more than two. There is a material ejection seat 33 in the mold seat 7, and below the material ejection seat 33 is a material return mechanism 9. The outer sleeve of the main shaft 8 is provided with a shaft sleeve e29, and the shaft sleeve e29 is installed on the frame 21. The two ends of the lower part of the main shaft 8 are provided with mounting grooves. The material return mechanism 9 includes a material return rod 32, and the top of the material return rod 32 is a material ejection plate, the middle is a straight rod body, and the bottom is a movable rod. The movable rod is horizontally arranged in the mounting groove, and a movable sleeve seat 35 is provided below the movable rod. The movable sleeve seat 35 is sleeved on the outside of the main shaft 8, and the movable rod is connected to the rod bodies on both sides of the movable sleeve seat 35. The movable sleeve seat 35 is connected to the upper and lower cylinders. The bottom end of the main shaft 8 is connected to the main shaft servo 10 through the connecting piece b, and the main shaft servo 10 is provided at the bottom of the mounting frame b30.

[0020] The shaft sleeve e29 is provided with a bearing on the inner side of the top, a bearing fixing ring on the outer side of the bearing, a mounting plate a on the bottom, a mounting plate b on the top and bottom of the main shaft 8, a mounting plate b and a mounting plate c36 on the lower sleeve of the main shaft 8, the mounting plate b is in contact with the mounting plate a, and a return sleeve 34 is provided under the top material plate.

[0021] The frame 21 includes a bracket and a fixing plate b31. The fixing plate b31 is provided on the surface of the bracket, and a mounting frame b30 is provided at the bottom of the fixing plate b31.

[0022] like Figure 4 、 6As shown in , 11 and 12, when in use, the frame 21 is provided with a pressure wheel mechanism, a spindle mechanism, a lifting mechanism and a control mechanism, the lifting mechanism includes a column 22, a shaft sleeve b24 is provided in the middle of the column 22, a lifting base 11 is provided on the outer sleeve b24, a pressure wheel mechanism is provided on the surface of the lifting base 11, the pressure wheel mechanism includes a pressure wheel 2, a push rod 3 and a screw mounting seat 25, a screw mounting seat 25 is provided at one end of the surface of the lifting base 11, a push rod 3 is provided in the screw mounting seat 25, a mounting block a26 is provided at one end of the push rod 3, a sleeve 27 is provided on the outer wall of the mounting block a26, a vertical pipe sleeve is provided at the front end of the sleeve 27, a rotating shaft is provided in the pipe sleeve, the bottom end of the rotating shaft is connected to the pressure wheel 2, the upper part of the rotating shaft is installed on the pipe sleeve through a nut, a ball screw a4 is provided at the other end of the push rod 3, the ball screw a4 is connected to the clamping servo 5, the bottom of the lifting base 11 is connected to the lifting push rod 12, the lifting push rod 12 passes through the frame 21, and the lifting push rod The bottom of 12 is connected to the ball screw b13, the ball screw b13 is connected to the reducer 14, the reducer 14 is installed on the mounting plate c51, the reducer 14 is connected to the lifting servo 15, the control mechanism includes a distribution box 20, the distribution box 20 is provided with an operation panel 17, the pressure wheel mechanism, the lifting mechanism and the control mechanism are connected, the spindle servo 10, the lifting servo 15 and the unloading cylinder are connected to the control system, the number of the columns 22 is four, the lifting base 11 is I-shaped, the bottom of the column 22 is installed on the frame 21 through the shaft sleeve a23, the top of the column 22 is installed with a fixing plate a, the shaft is provided with a ring on the upper and lower parts, the lower part of the nut is provided with a gasket, the outer sleeve of the lifting push rod 12 is provided with a shaft sleeve c, and the shaft sleeve c is installed on the frame 2 1, the ball screw b13 passes through the shaft sleeve d and the mounting plate b28 and is connected to the upper part of the connector a, the lower part of the connector a is connected to the movable rod a of the reducer 14, the shaft sleeve d is installed on the mounting plate b28, the mounting plate b28 is arranged horizontally between the mounting brackets a50, the number of mounting brackets a50 is two, the mounting brackets a50 are arranged parallel and vertically at the bottom of the fixed plate b31, a mounting plate c51 is provided below the mounting plate b28, the reducer 14 is installed at the bottom of the mounting plate c51, the reducer 14 is connected to the lifting servo 15, the operating panel 17 is provided with a touch screen 16 and a proximity switch 18, the frame 21 is provided with a button switch 19, the mold base 7 has one function of fixing the molding mold 6, and another function of The push rod 32 and the ejector seat 33 provide space for accommodation and rising. The ejector seat 33 has an ejector pin to ensure that the electric heating tube 1 is ejected smoothly after the processing is completed. If manpower is needed to take it, it is necessary to use force and have more contact with the electric heating tube 1. A workpiece position 38 is provided on the top of the forming mold 6. It is a straight groove with a socket on the inside of the groove, which can be inserted into the bent part of the electric heating tube 1 so that it will not fall off during processing. The outside is a stopper 37 and a curved body 49. The pressure wheel 2 completes the pipe bending operation with the help of the stopper 37 and the curved body 49. The forming mold 6 has three steps to provide the pressure wheel 2 with a working position space, which matches the first, second and third sections in the process. From the first section to the second and third sections,The slope is tilted downward to form a descending slope. Manually operate the machine to check whether each mechanism is normal. Select the elliptical trajectory setting page. The 6-station shape of the forming mold is elliptical. Adjust the position of the clamping shaft in sections and points according to the product's orbital trajectory. Test run the machine with an empty machine! After confirmation, enter the product model and execution code, press the save button to save the data; on the homepage of the screen, select the execution code and export it, reset the machine to the starting point of each axis; place the product in the forming mold 6, press the start switch, and the pinch wheel 2 advances; the pinch wheel 2 reaches process point a40, and the spindle 8 rotates to the first section position process point b41; the spindle 8 and the lifting mechanism perform synchronous interpolation motion, and the rotating shaft follows the motion in sections according to the set parameters, and the interpolation ends at the second section position process point g46, and the lifting mechanism stops; 3. The pinch shaft follows the spindle to the third section position and ends at process point f45. The working order is process point a40, process point b41, process point c42, process point d43, process point e44, process point f45, process point g46, process point h47, and process point i48; the pinch wheel shaft retreats to the starting point A39 position; the spindle and the lifting mechanism interpolate back to the starting position, the material return cylinder is lifted and the material is delayed; the material return is completed, the material return is reset, and the action is completed. ,

[0023] It should be understood that the above description is only a preferred embodiment of the present invention and is not sufficient to limit the technical solutions of the present invention. For ordinary technicians in this field, within the spirit and principles of the present invention, additions, substitutions, changes or improvements can be made according to the above description, and all these additions, substitutions, changes or improvements should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A spindle mechanism for a three-axis spiral pipe bending machine, comprising a frame (21), a forming die (6), a die base (7) and a spindle (8), characterized in that: The spindle (8) is provided with a forming die (6) and a die seat (7), the die seat (7) is provided with a forming die (6), the spindle (8) is provided with a material removal mechanism (9), the spindle (8) is installed in a shaft sleeve e (29), the shaft sleeve e (29) is installed on a frame (21), the spindle (8) is connected to a spindle servo (10), and the spindle mechanism is connected to a control mechanism.

2. The main shaft mechanism for a three-axis spiral pipe bender according to claim 1, characterized in that: The surface of the molding die (6) is provided with a placement groove, and a socket is provided at one end of the inner side of the placement groove. The surface of the molding die (6) is in a stepped shape, and the number of levels is more than two. A material ejection seat (33) is provided in the mold seat (7), and a material ejection mechanism (9) is provided below the material ejection seat (33). The outer sleeve of the main shaft (8) is provided with a shaft sleeve e (29), and the shaft sleeve e (29) is installed on the frame (21). The two ends of the lower part of the main shaft (8) are provided with mounting grooves. The material ejection mechanism (9) includes a material ejection rod (32 ), the top of the material return rod (32) is a material ejection plate, the middle is a straight rod body, the bottom is a movable rod, the movable rod is arranged horizontally in the installation groove, a movable sleeve (35) is provided below the movable rod, the movable sleeve (35) is sleeved outside the main shaft (8), the movable rod is connected to the rod bodies on both sides of the movable sleeve (35), the movable sleeve (35) is connected to the upper and lower cylinders, the bottom end of the main shaft (8) is connected to the main shaft servo (10) through the connecting piece b, and the main shaft servo (10) is provided at the bottom of the mounting frame b (30).

3. The main shaft mechanism for a three-axis spiral pipe bender according to claim 1, characterized in that: The shaft sleeve e (29) is provided with a bearing on the inner side of the top, a bearing fixing ring on the outer side of the bearing, and a mounting plate a on the bottom. The top and bottom of the main shaft (8) are provided with mounting plates b. The lower sleeve of the main shaft (8) is provided with mounting plates b and mounting plates c (36). The mounting plates b are in contact with the mounting plates a. A return sleeve (34) is provided below the top material plate.

4. The main shaft mechanism for a three-axis spiral pipe bender according to claim 1, characterized in that: The frame (21) comprises a bracket and a fixing plate b (31), wherein the fixing plate b (31) is provided on the surface of the bracket, and a mounting frame b (30) is provided at the bottom of the fixing plate b (31).

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