Friction wheel roll forming machine

Abstract

The utility model provides a friction wheel roll forming machine. The friction wheel roll forming machine comprises a driving device and a main machine. The driving device comprises a driving frame body, and a power mechanism, a first conical wheel, a second conical wheel, a friction wheel assembly and a lifting mechanism which are arranged on the driving frame body; the power mechanism is used for driving the first conical wheel to rotate; the friction wheel assembly is arranged between the first conical wheel and the second conical wheel and is in friction connection with the second conical wheel; the lifting mechanism drives the second conical wheel and the friction wheel assembly to get close to or get away from the first conical wheel, and power transmission or disconnection is achieved. The first conical wheel is used for driving the first rolling mold to rotate; and the second conical wheel is used for driving the second rolling mold to rotate. According to the utility model, the single motor drives the roll forming machine to complete the roll forming processing of the rim, so that the problem of energy consumption waste caused by double-motor driving is avoided, and the problem of motor dragging or stopping caused by different linear speeds due to different diameters of dies is also solved; and the working energy consumption of equipment is reduced, and the production cost is also saved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel rim processing, in particular to a friction wheel rolling machine. Background Art

[0002] At present, the driving process of the roll forming machine adopts a dual-frequency reduction motor of the same specification to drive the upper roll forming mold and the lower roll forming mold of the roll forming machine to rotate respectively. During the working process, when the motor output torque and speed are constant, due to the certain changes in the diameter ratio of the upper and lower roll forming molds, the actual output linear speed cannot be kept consistent, which will cause the following situations: 1. The motor is blocked and stopped, and cannot work; 2. The motor is dragged to start, and the system has a short-term overload alarm; 3. During normal startup, one of the two motors has a dragging phenomenon during the working process, doing useless work and generating heat, which affects the service life of the motor. Utility Model Content

[0003] The utility model aims to provide a friction wheel rolling machine to solve at least one or more technical problems existing in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a friction wheel rolling machine, comprising: a driving device and a main machine; the driving device comprises a driving frame and a power mechanism arranged on the driving frame, a first conical wheel, a second conical wheel, a friction wheel assembly and a lifting mechanism;

[0005] The power mechanism is drivingly connected to the first conical wheel, and is used to drive the first conical wheel to rotate;

[0006] The second conical wheel is arranged below the first conical wheel with an opposite taper, and is parallel to the adjacent generatrix of the first conical wheel;

[0007] The friction wheel assembly is disposed between the first conical wheel and the second conical wheel, and is frictionally connected to the second conical wheel;

[0008] The lifting mechanism drives the second conical wheel and the friction wheel assembly upward to frictionally connect with the first conical wheel or downward to move away from the first conical wheel, thereby realizing power transmission or disconnection;

[0009] The main machine is rotatably provided with a first rolling mold and a second rolling mold;

[0010] The first conical wheel is connected to the first rolling mold by transmission, and is used to drive the first rolling mold to rotate; the second conical wheel is connected to the second rolling mold by transmission, and is used to drive the second rolling mold to rotate.

[0011] Further, the friction wheel assembly comprises a first friction wheel and a second friction wheel, and the first friction wheel and the second friction wheel are arranged in a cylindrical shape;

[0012] The second friction wheel is disposed between the first friction wheel and the second conical wheel, and is in contact with the first friction wheel and the second conical wheel respectively;

[0013] The first friction wheel is rotatably disposed on the first support, and the second friction wheel is rotatably disposed on the second support;

[0014] The first support and the second support are fixedly arranged on a support mounting plate.

[0015] Further, the lifting mechanism includes a first telescopic mechanism and a lifting bracket;

[0016] The first telescopic mechanism is used to drive the lifting bracket to rise or fall;

[0017] The second conical wheel is rotatably arranged on the lifting bracket.

[0018] The first telescopic mechanism is a hydraulic cylinder, a gas cylinder or an electric telescopic rod.

[0019] Furthermore, two guide rods are fixed at the bottom of the lifting bracket and arranged at intervals, and are used for guiding the lifting bracket when it is lifted and lowered in the vertical direction;

[0020] The driving frame is provided with a guide hole adapted to the guide rod, and the guide rod passes through downward and extends out of the guide hole.

[0021] Preferably, it also includes a linear displacement mechanism, which includes a slider fixedly arranged on the support mounting plate and a slide rail fixedly arranged on the lifting bracket, and is used for the friction wheel assembly to move in a direction parallel to the adjacent generatrix of the first conical wheel and the second conical wheel.

[0022] Furthermore, it also includes a handwheel and a linear displacement transmission mechanism, the handwheel is used to drive the linear displacement transmission mechanism to rotate, and the linear displacement transmission mechanism is used to drive the friction wheel assembly to slide along the slide rail.

[0023] The handwheel drives the linear displacement transmission mechanism to rotate, and the linear displacement transmission mechanism drives the friction wheel assembly to move in a direction parallel to the adjacent generatrix of the first conical wheel and the second conical wheel, thereby realizing the adjustment of the transmission ratio between the first conical wheel and the second conical wheel, and meeting the rolling processing of rims of different specifications.

[0024] The slider drives the friction wheel group to move in a direction parallel to the adjacent generatrix of the first conical wheel and the second conical wheel.

[0025] The linear displacement transmission mechanism includes trapezoidal screw transmission, ball screw transmission, belt transmission, etc.

[0026] Furthermore, the host also includes a body, on which a first main shaft and a second main shaft are rotatably provided, and the second main shaft is arranged below the first main shaft so as to be approachable or distant in a vertical direction;

[0027] The first rolling mold is coaxially and fixedly sleeved on the first main shaft, and the second rolling mold is coaxially and fixedly sleeved on the second main shaft;

[0028] Side guide wheels are symmetrically arranged on both sides of the first main shaft and the second main shaft for lateral positioning during rim rolling.

[0029] Furthermore, it also includes a second telescopic mechanism for driving the second main shaft to rise or fall in the vertical direction.

[0030] The second telescopic mechanism is a hydraulic cylinder, a gas cylinder or an electric telescopic rod.

[0031] Furthermore, the first conical wheel and the first main shaft, and the second conical wheel and the second main shaft are transmission-connected via a universal coupling.

[0032] Furthermore, the power mechanism is a motor.

[0033] By adopting the above technical solution, the utility model has the following beneficial effects:

[0034] The friction wheel rolling machine provided by the utility model has the following advantages:

[0035] 1. At the beginning of the operation, the friction wheel rolling machine drives the first conical wheel to rotate through a single motor, and the first conical wheel drives the second conical wheel to rotate through the friction wheel group, and then drives the first rolling mold and the second rolling mold to rotate. When the first rolling mold, the rim and the second rolling mold reach the set fitting position, the second conical wheel disconnects the power transmission with the first conical wheel, and the first rolling mold and the rim drive the second rolling mold to rotate, so as to realize the rolling forming of the rim. It avoids the energy waste problem caused by dual motor drive, and solves the problem of motor dragging or stopping caused by different linear speeds due to different mold diameters; it reduces the working energy consumption of the equipment, increases the service life of the equipment, and saves production costs.

[0036] 2. The setting of the hand wheel and the lead screw realizes the adjustment of the transmission ratio between the first conical wheel and the second conical wheel, meeting the processing requirements of rims of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 A front view of a friction wheel rolling machine provided by an embodiment of the utility model;

[0039] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0040] Figure 3 A three-dimensional diagram of the structure of a friction wheel rolling machine provided by an embodiment of the utility model;

[0041] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0042] Figure 5 The present invention is a left side view of a friction wheel rolling machine provided in an embodiment of the present invention.

[0043] Reference numerals:

[0044] 100-driving device; 110-driving frame; 120-frequency reduction motor; 130-first conical wheel; 140-second conical wheel; 150-friction wheel assembly; 151-first friction wheel; 152-second friction wheel; 153-first support; 154-second support; 155-support mounting plate; 156-slider; 157-slide rail; 160-lifting mechanism; 161-lifting bracket; 162-lifting cylinder; 163-guide rod; 170-handwheel; 180-screw; 200-main machine; 210-fuselage; 220-first rolling mold; 230-second rolling mold; 240-first spindle; 250-second spindle; 260-side guide wheel; 270-feeding cylinder; 300-universal coupling. DETAILED DESCRIPTION

[0045] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The present invention will be further explained below in conjunction with specific implementation methods.

[0049] like Figure 1-4 As shown, a friction wheel rolling machine provided in this embodiment includes: a driving device 100 and a main machine 200; the driving device 100 includes a driving frame 110 and a power mechanism arranged on the driving frame 110, a first conical wheel 130, a second conical wheel 140, a friction wheel assembly 150 and a lifting mechanism 160;

[0050] The power mechanism is in transmission connection with the first conical wheel 130, and is used to drive the first conical wheel 130 to rotate;

[0051] The second conical wheel 140 is arranged below the first conical wheel 130 with an opposite taper, and is parallel to the adjacent generatrix of the first conical wheel 130;

[0052] The friction wheel assembly 150 is disposed between the first conical wheel 130 and the second conical wheel 140 and is frictionally connected to the second conical wheel 140;

[0053] The lifting mechanism 160 drives the second conical wheel 140 and the friction wheel assembly 150 to frictionally connect with the first conical wheel 130 upward or to move downward away from the first conical wheel 130 to achieve power transmission or disconnection;

[0054] The main body 200 is rotatably provided with a first rolling mold 220 and a second rolling mold 230;

[0055] The first conical wheel 130 is connected to the first rolling mold 220 for driving the first rolling mold 220 to rotate; the second conical wheel 140 is connected to the second rolling mold 230 for driving the second rolling mold 230 to rotate.

[0056] In this embodiment, the power mechanism is a variable frequency reduction motor 120 .

[0057] The friction wheel assembly 150 includes a first friction wheel 151 and a second friction wheel 152, and the first friction wheel 151 and the second friction wheel 152 are arranged in a cylindrical shape;

[0058] The second friction wheel 152 is disposed between the first friction wheel 151 and the second conical wheel 140 , and abuts against the first friction wheel 151 and the second conical wheel 140 respectively;

[0059] The first friction wheel 151 is rotatably disposed on the first support 153, and the second friction wheel 152 is rotatably disposed on the second support 154;

[0060] The first support 153 and the second support 154 are fixedly disposed on the support mounting plate 155 .

[0061] The lifting mechanism 160 includes a first telescopic mechanism and a lifting bracket 161;

[0062] The first telescopic mechanism is used to drive the lifting bracket 161 to rise or fall;

[0063] The second conical wheel 140 is rotatably disposed on the lifting bracket 161 .

[0064] The first telescopic mechanism is a hydraulic cylinder, a gas cylinder or an electric telescopic rod.

[0065] In this embodiment, the first telescopic mechanism is a lifting cylinder 162 .

[0066] Furthermore, two guide rods 163 are fixed and spaced apart at the bottom of the lifting bracket 161, and are used to guide the lifting bracket 161 when it is lifted in the vertical direction;

[0067] The driving frame 110 is provided with a guide hole adapted to the guide rod 163 , and the guide rod 163 passes through downward and extends out of the guide hole.

[0068] Preferably, a linear displacement mechanism is also included, which includes a slider 156 fixedly arranged on the support mounting plate 155 and a slide rail 157 fixedly arranged on the lifting bracket 161, which is used for the friction wheel assembly 150 to move in a direction parallel to the adjacent busbars of the first conical wheel 130 and the second conical wheel 140.

[0069] In this embodiment, the linear displacement mechanism includes two sets of sliders 156 and slide rails 157 arranged along the vertical direction.

[0070] It also includes a hand wheel 170 and a linear displacement transmission mechanism. The hand wheel 170 is used to drive the linear displacement transmission mechanism to rotate, and the linear displacement transmission mechanism is used to drive the friction wheel assembly 150 to slide along the slide rail 157.

[0071] The linear displacement transmission mechanism is a trapezoidal screw 180 transmission, a ball screw 180 transmission, a belt transmission, etc.

[0072] In this embodiment, the linear displacement transmission mechanism is driven by a lead screw 180 , and the lead screw 180 is rotatably disposed on the lifting bracket 161 .

[0073] Specifically, the handwheel 170 drives the screw 180 to rotate, and the screw 180 drives the friction wheel assembly 150 to move in a direction parallel to the adjacent busbars of the first conical wheel 130 and the second conical wheel 140, so as to adjust the transmission ratio between the first conical wheel 130 and the second conical wheel 140 to meet the processing requirements of rims of different specifications.

[0074] like Figure 5 As shown, the host 200 further includes a body 210, on which a first main shaft 240 and a second main shaft 250 are rotatably provided, and the second main shaft 250 is arranged below the first main shaft 240 in a manner that it can approach or move away from the first main shaft 240 in a vertical direction;

[0075] The first rolling mold 220 is coaxially and fixedly sleeved on the first main shaft 240 , and the second rolling mold 230 is coaxially and fixedly sleeved on the second main shaft 250 ;

[0076] Side guide wheels 260 are symmetrically arranged on both sides of the first main shaft 240 and the second main shaft 250 for lateral positioning during rim rolling.

[0077] Furthermore, a second telescopic mechanism is included to drive the second main shaft 250 to rise or fall in the vertical direction.

[0078] The second telescopic mechanism is a hydraulic cylinder, a gas cylinder or an electric telescopic rod.

[0079] In this embodiment, the second telescopic mechanism is the feeding cylinder 270 .

[0080] The first conical wheel 130 and the first main shaft 240 , and the second conical wheel 140 and the second main shaft 250 are transmission-connected via a universal coupling 300 .

[0081] In this embodiment, compression springs (not shown) are respectively provided at the large ends of the first conical wheel 130 and the second conical wheel 140 along the axial direction, which are used for fine adjustment of the axial positions of the first conical wheel 130 and the second conical wheel 140 during operation.

[0082] Before work, turn the hand wheel 170, the screw 180 drives the friction wheel assembly 150 to move to a suitable position to meet the transmission ratio requirements of the first conical wheel 130 and the second conical wheel 140, and the feeding mechanism sends the rim to be rolled to the target position; the feeding cylinder 270 drives the second main shaft 250 and the rim to the working position, and the side guide wheel 260 descends to position the rim laterally. The variable frequency reduction motor 120 drives the first conical wheel 130 to rotate, and the lifting cylinder 162 drives the lifting bracket 161 and the second conical wheel 140 and the friction wheel assembly 150 to move upward, so that the first friction wheel 151 and the first conical wheel 130 are frictionally connected, and the rotational power of the first conical wheel 130 is transmitted to the second conical wheel 140 through the friction wheel assembly 150; at this time, the first conical wheel 130 and the second conical wheel 140 respectively drive the first main shaft 240 and the second main shaft 250 to rotate, and when the second rolling mold 230 and the rim gradually fit with the first rolling mold 220 to meet the rolling requirements, the telescopic end of the lifting cylinder 162 is retracted, driving the friction wheel assembly 150 and the second conical wheel 140 away from the first friction wheel 130, breaking away from the friction connection with the first friction wheel 130, and disconnecting the power transmission; the second rolling mold 230 is driven to rotate by the first rolling mold 220 and the rim at the current position to complete the rolling processing of the rim. After the rolling process is completed, the telescopic end of the feeding cylinder 270 is retracted, the second rolling die 230 is lowered to the initial position, and the feeding mechanism delivers the rim.

[0083] Preferably, a control system (not shown) is also included for automatically controlling and adjusting the rotation speed of the variable frequency reduction motor 120 and the lifting force of the lifting cylinder 162 and the feeding cylinder 270 to meet the rolling requirements of rims of different thicknesses.

[0084] The friction wheel rolling machine provided by the utility model has the following advantages:

[0085] 1. At the beginning of the operation, the friction wheel rolling machine drives the first conical wheel to rotate through a variable frequency reduction motor, and the first conical wheel drives the second conical wheel to rotate through the friction wheel group, and then drives the first rolling mold and the second rolling mold to rotate. When the first rolling mold, the rim and the second rolling mold reach the set fitting position, the second conical wheel disconnects the power transmission with the first conical wheel, and the first rolling mold and the rim drive the second rolling mold to rotate, so as to realize the rolling forming of the rim. It avoids the energy waste problem caused by dual motor drive, and solves the problem of motor dragging or stopping caused by different linear speeds due to different mold diameters; it reduces the working energy consumption of the equipment, increases the service life of the equipment, and saves production costs.

[0086] 2. The setting of the hand wheel and the lead screw realizes the adjustment of the transmission ratio between the first conical wheel and the second conical wheel, meeting the processing requirements of rims of different specifications.

[0087] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A friction wheel rolling machine, characterized in that: include: A driving device and a main machine; the driving device comprises a driving frame and a power mechanism, a first conical wheel, a second conical wheel, a friction wheel assembly and a lifting mechanism arranged on the driving frame; The power mechanism is drivingly connected to the first conical wheel, and is used to drive the first conical wheel to rotate; The second conical wheel is arranged below the first conical wheel with an opposite taper, and is parallel to the adjacent generatrix of the first conical wheel; The friction wheel assembly is disposed between the first conical wheel and the second conical wheel, and is frictionally connected to the second conical wheel; The lifting mechanism drives the second conical wheel and the friction wheel assembly upward to frictionally connect with the first conical wheel or downward to move away from the first conical wheel, thereby realizing power transmission or disconnection; The main machine is rotatably provided with a first rolling mold and a second rolling mold; The first conical wheel is connected to the first rolling mold by transmission, and is used to drive the first rolling mold to rotate; the second conical wheel is connected to the second rolling mold by transmission, and is used to drive the second rolling mold to rotate.

2. The friction wheel rolling machine according to claim 1, characterized in that: The friction wheel assembly comprises a first friction wheel and a second friction wheel, wherein the first friction wheel and the second friction wheel are arranged in a cylindrical shape; The second friction wheel is disposed between the first friction wheel and the second conical wheel, and is in contact with the first friction wheel and the second conical wheel respectively; The first friction wheel is rotatably disposed on the first support, and the second friction wheel is rotatably disposed on the second support; The first support and the second support are fixedly arranged on a support mounting plate.

3. The friction wheel rolling machine according to claim 2, characterized in that: The lifting mechanism comprises a first telescopic mechanism and a lifting bracket; The first telescopic mechanism is used to drive the lifting bracket to rise or fall; The second conical wheel is rotatably arranged on the lifting bracket.

4. The friction wheel rolling machine according to claim 3, characterized in that: The bottom of the lifting bracket is fixed and two guide rods are arranged at intervals, which are used to guide the lifting bracket when it is lifted in the vertical direction; The driving frame is provided with a guide hole adapted to the guide rod, and the guide rod passes through downward and extends out of the guide hole.

5. The friction wheel rolling machine according to claim 3, characterized in that: It also includes a linear displacement mechanism, which includes a slider fixedly arranged on the support mounting plate and a slide rail fixedly arranged on the lifting bracket, and is used for the friction wheel assembly to move in a direction parallel to the adjacent generatrix of the first conical wheel and the second conical wheel.

6. The friction wheel rolling machine according to claim 5, characterized in that: It also includes a handwheel and a linear displacement transmission mechanism, wherein the handwheel is used to drive the linear displacement transmission mechanism to rotate, and the linear displacement transmission mechanism is used to drive the friction wheel assembly to slide along the slide rail.

7. The friction wheel rolling machine according to claim 1, characterized in that: The main machine further comprises a body, on which a first main shaft and a second main shaft are rotatably arranged, and the second main shaft is arranged below the first main shaft so as to be approachable or distant in a vertical direction; The first rolling mold is coaxially and fixedly sleeved on the first main shaft, and the second rolling mold is coaxially and fixedly sleeved on the second main shaft; Side guide wheels are symmetrically arranged on both sides of the first main shaft and the second main shaft for lateral positioning during rim rolling.

8. The friction wheel rolling machine according to claim 7, characterized in that: It also includes a second telescopic mechanism for driving the second main shaft to rise or fall in a vertical direction.

9. The friction wheel rolling machine according to claim 8, characterized in that: The first conical wheel and the first main shaft, and the second conical wheel and the second main shaft are connected in transmission via a universal coupling.

10. The friction wheel rolling machine according to claim 1, characterized in that: The power mechanism is a motor.

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