CN101941031B - Spin forming device with internal and external boss belt pulley - Google Patents

Abstract

The invention relates to a spin forming device with an internal and external boss belt pulley, which comprises a worktable (2), an upright post (5) arranged on the worktable (2), upper and middle plates (7) and (8) which are connected with the upright post (5) in turn, a primary oil cylinder (6) arranged on the upper plate, an upper spindle (4) connected with the primary oil cylinder (6), a lower spindle (3) and an ejecting oil cylinder (11), wherein the lower spindle (3) and the ejecting oil cylinder (11) are arranged on the worktable (2). The spin forming device also comprises spinning tool component (9 and 10) which are arranged on two sides respectively, wherein the component on each side comprises a side cylinder plate (102) and a side cylinder (101); the horizontal guide post (103) of the side cylinder plate (102) is connected with a sliding plate (104); a vertical guide post (109) is arranged in the middle of the sliding plate and is connected with a fixed bracket (108) and a tool holder (106); a tool (107) is arranged in the tool holder (106); and under the action of the side cylinder (101) and a vertical oil cylinder (105), the tool move up and down as well as left and right so as to spin a workpiece on the lower spindle. The device overcomes the drawbacks of material waste, high energy consumption and low efficiency and the like of the conventional processes such as forging, turning and the like. The produced products have the advantages of high precision, high physical and mechanical performance and the like.

Description

Spin forming unit with inner and outer boss pulleys

Technical field:

The invention belongs to the technical field of mechanical transmission parts manufacturing, in particular to a spinning forming device with inner and outer boss pulleys.

Background technique:

Many pulleys have inner and outer bosses, which are mostly used to install bearings and electromagnetic coils, such as common water pump pulleys, electromagnetic clutch pulleys, etc. For a long time, the production process of this kind of products has been completed by using traditional steel mold forging, casting blanks, rough turning, and then finishing turning. The pulleys processed in this way need to remove a lot of material, and not only consume a lot of energy, Waste of material again, inefficiency, poor production conditions. Therefore, the processing technology of producing the belt pulley with inner and outer bosses needs to be improved urgently.

Although plate belt pulley spinning equipment has appeared at present, this equipment can only process common belt pulleys, but can't do enough for belt pulleys with inner and outer bosses. The function of the equipment cannot complete the spinning forming of the inner and outer bosses and wheel grooves, the strength is not enough, the control accuracy is not high enough, and the adjustment is not flexible. Therefore the present invention arises at the historic moment in order to solve these deficiencies.

Invention content:

The purpose of the present invention is to provide a spinning processing device with inner and outer boss pulleys, which not only solves the problems of material waste, high energy consumption and low efficiency in traditional forging and turning processes, but also produces products with high precision, Good physical and mechanical properties and other advantages.

The purpose of the present invention is achieved through the following technical solutions:

1. A spinning forming device with inner and outer boss pulleys, characterized in that it comprises the following parts:

a. The base part, including the main frame set on the upper part of the base;

b. The part of the main shaft transmission device, which includes:

There is a workbench on the base, and four columns are set on the workbench, the upper end of the column is fixedly connected to the upper plate, and the middle part is slidably connected to the middle plate;

The main oil cylinder is set on the upper plate and is connected with the upper main shaft set on the middle plate;

There is a lower main shaft on the workbench, and an ejection oil cylinder is provided on the lower frame in the base, which is connected with the ejection shaft sleeved in the lower main shaft;

c. Spinning tool assemblies are provided on both sides of the central mechanical transmission device. The spinning tool assemblies on each side include a side cylinder plate connected to the main frame. The middle part of the side cylinder plate is connected to a side cylinder, and the four corners are respectively connected to a horizontal cylinder. Guide post, a sliding plate is connected to the horizontal guide post, and the sliding plate is connected with the piston rod of the side cylinder, so that the sliding plate moves along the horizontal guide post under the drive of the side cylinder. A vertical guide post is set in the middle of the sliding plate, and the vertical guide post Connect a fixed frame, one side of the fixed frame is connected with a tool holder for installing a spinning tool, and a vertical oil cylinder is connected to the top of the sliding plate, the piston rod of the vertical oil cylinder is connected with the fixed frame, so that the fixed frame is driven by the vertical oil cylinder along the vertical guide The column moves up and down.

Through the action of the side cylinder and the vertical oil cylinder, the tool can move up, down, left, and right in four directions, and the motor drives the main shaft to rotate, so that the pulley with inner and outer bosses can be processed easily.

On the basis of the above technical solution, according to processing requirements, it is possible to set the tool in the tool holder in the spinning tool assembly on one side to be inclined at a certain angle, and the tool in the tool holder in the spinning tool assembly on the other side to be in a vertical state.

In the above technical solution, the main motor drives the synchronous belt to rotate the lower spindle, the lower spindle is equipped with a matching mold, the upper spindle presses the workpiece placed in the mold to make the upper and lower spindles rotate synchronously, and cooperates with the spinning action of the tools on both sides. The workpiece is spin-formed. The ejector cylinder is installed under the lower main shaft. When the workpiece is spinning and formed, the processed product is ejected through the ejector rod.

In addition, the present invention also includes that the electrical control part adopts a PLC control system, which has a rich command system, various I/O interfaces, communication interfaces, large-capacity memory, and a reliable operating system. Rich functions, a host box is a complete PLC, which can be used to realize control. This equipment adopts a box-type PLC system: the power supply, CPU, memory, and I/O system are integrated in a small box, and a human-machine touch screen is used. Its structure is modular, small in size, easy to install, and relatively strong. It has strong anti-interference, anti-shock and anti-vibration characteristics. Compared with CNC system, it is more flexible and reliable. It has no keyboard and replaces it with input circuits one by one, and uses them to obtain control commands or field signals. Computer input can be used to control programs. You can also design and change the program as needed.

It does not have a display, instead it has an output circuit and uses it to generate a control output. This circuit has the ability to drive, can drive the control components of the hydraulic system, and is directly connected with various hydraulic components, such as solenoid valves, proportional valves, hydraulic components to achieve hydraulic drive, and can easily complete manual and automatic operations.

The present invention is also provided with a hydraulic system, including hydraulic motors, oil pumps, valve blocks, various control valves, pressure oil gauges, spindle lubrication and cooling devices, hydraulic cylinders, oil pipes, main oil tanks, filling valve oil tanks, and main oil tank coolers. Lubricating oil cooler, workpiece cooling device. The hydraulic system of the present invention is characterized in that the oil pump, each control valve, oil pipe and other components are connected with the integrated block (oil circuit board) of the pilot passage, and the hydraulic oil pipe is connected with each oil cylinder to form a hydraulic circuit, thus realizing the compact integration of the hydraulic device , greatly reducing the installation space and footprint, and reducing the cost compared with conventional hydraulic devices. It can achieve high pressure, large capacity, high speed and no impact reversing under small pressure loss, making the hydraulic system work more stable, reliable and safe.

Description of drawings:

Fig. 1 is the front view of the present invention;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is an enlarged view of the tool assembly on the right side in Fig. 1;

Fig. 4 is an enlarged view of the left cutter assembly in Fig. 1;

Fig. 5, Fig. 5 a are the structure schematic diagrams of workpiece forming process 1 of the present invention;

Fig. 6 and Fig. 6a are the structural representations of the workpiece forming process 2 of the present invention;

Fig. 7 and Fig. 7a are structural schematic diagrams of the workpiece forming process 3 of the present invention.

Detailed ways

The present invention will be described in detail below, but the scope of protection claimed by the present invention is not limited to the scope described in the embodiments.

As shown in Figure 1 and Figure 2, a spinning forming device with inner and outer boss pulleys provided by the present invention mainly consists of the following parts:

a. The base part, including the base 1 and the main frame 1a provided on both sides of the upper part;

b. The part of the main shaft transmission device, which includes:

A workbench 2 is arranged in the middle part above the base 1, and four columns 5 are arranged on the workbench 2. The upper ends of the columns 5 are fixedly connected to the upper plate 7, and the middle part is slidably connected to the middle plate 8; The upper spindle 4 set on the 8 is connected;

The workbench 2 is provided with a lower main shaft 3, and the lower frame 12 in the base is also provided with an ejection cylinder 11, which is connected with the ejection shaft 13 sleeved in the lower main shaft 3;

c. Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the spinning tool assembly 9 and the spinning tool assembly 10 respectively arranged on both sides of the central mechanical transmission device have the same basic structure, and the spinning tool assembly 10 on the right side For example, its composition includes a side cylinder plate 102 connected to the main frame 1a, a side cylinder 101 is connected to the middle of the side cylinder plate 102, a horizontal guide post 103 is connected to the four corners, and a sliding plate 104 is connected to the horizontal guide post 103 , the sliding plate 104 is connected with the piston rod of the side cylinder 101, so that the sliding plate 104 moves along the horizontal guide post 103 under the drive of the side cylinder 101, a vertical guide post 109 is arranged in the middle of the sliding plate 104, and a fixed guide post 109 is connected to the vertical guide post 109. Frame 108, one side of fixed frame 108 is connected with a tool rest 106 for installing a spinning tool, and a vertical oil cylinder 105 is also connected to the top of sliding plate 104, and the piston rod of vertical oil cylinder 105 is connected with fixed frame 108, so that fixed frame 108 is placed on vertical oil cylinder 105 Driven to move up and down along the vertical guide post 109.

As shown in Figure 4, the parts corresponding to the spinning tool assembly 10 in the spinning tool assembly 9 are respectively: a side cylinder 901, a side cylinder plate 902, a horizontal guide column 903, a sliding plate 904, a vertical oil cylinder 905, a knife Frame 906, cutter 907, fixed frame 908, vertical guide post 909.

The difference between the spinning cutter assemblies 9 and 10 is that the shape of the cutter holder 906 is different from that of the cutter holder 106, and the purpose is to make the cutter 107 in the cutter holder 106 tilt at a certain angle, while the cutter 907 in the cutter holder 906 is in a vertical state.

Through the action of the side cylinder and the vertical oil cylinder, the tool can move up, down, left, and right in four directions, and the motor drives the main shaft to rotate, so that the pulley with inner and outer bosses can be processed easily.

Its working principle is: the main motor drives the synchronous belt 3a to make the lower spindle rotate, the upper end of the lower spindle 3 is provided with a matching mold, the upper spindle 4 presses the workpiece placed in the mold to make the upper and lower spindles rotate synchronously, and cooperates with the tools 107 on both sides Or the spinning action of 907 to spin the workpiece. The ejector cylinder 11 is installed below the lower main shaft, and when the workpiece is spinning and formed, the processed product is ejected by the ejector shaft 13.

The spinning knives installed in the left and right tool holders can be replaced with different spinning knives to process different products.

Each oil cylinder is connected to the hydraulic pump station through oil pipes, and each valve and motor is connected to the PLC control system, and the man-machine interface connected to the PLC is used to control various spinning actions. Specifically, it can realize the spindle speed, each oil cylinder of the hydraulic system Feed, retract, pressure, flow, speed, and position control, cooling and lubrication system control, etc.

The spinning forming action of the present invention is described below with a multi-ribbed pulley forming process;

1. As shown in Fig. 5 and Fig. 5a, adopt 10-12mm deep-drawn steel plate (selected according to different product structure sizes), through blanking, punch the center process hole to make the preformed blank 20;

2. Install the preformed blank 20 on the lower mold 3b. The main shaft 3 rotates while the main oil cylinder drives the upper main shaft 4 to press down to compress the workpiece 20 and rotate together with the lower main shaft and the workpiece. At this time, the spinning tool 107 is fast-forwarded horizontally. Simultaneously feed to the edge of the workpiece in the up and down and left and right directions, adjust the rotary cutting position, feed horizontally along the x-axis, and quickly retreat after pulling up along the Y-axis longitudinally, so that the center of the workpiece 20 forms an inner boss 20a.

3. As shown in Figure 6 and Figure 6a, place the blank 20 with the boss on the lower mold of the spinning machine, press the workpiece through the upper mold 4a, the lower spindle drives the workpiece to rotate, and the spinning tool 107 moves along the X axis Laterally feed to form the blank into an inclined rim 20b, then pull it up longitudinally along the Y axis and then retreat to form the outer boss 20b, as shown in Figure 6a.

4. As shown in Figure 7 and Figure 7a, place the blank with inner and outer bosses in the lower mold 3b of the spinning machine, press the workpiece through the upper mold 4a, the spindle drives the workpiece to rotate, and the spinning tool 907 is fed laterally , spin the workpiece rim to the shape required by the ribbed pulley, and the final product is shown in Figure 7a.

Claims (2)

1. the rotary press modelling device of outer lug boss belt pulley in being with is characterized in that comprising with the lower part:

A, base part comprise the main frame (1a) that pedestal (1) and top thereof are provided with;

B, spindle gearing part, it comprises:

Pedestal (1) is provided with workbench (2), and one group of column (5) is set on the workbench (2), and column (5) upper end is fixedly connected upper plate (7), the middle part middle plate (8) that is slidingly connected;

Upper plate (7) is provided with master cylinder (6) and goes up the last main shaft (4) that is provided with middle plate (8) and is connected;

Workbench (2) is provided with lower main axis (3), also be provided with on the lower bearing bracket in the pedestal (12) to eject oil cylinder (11), it be set in lower main axis (3) in eject the axle (13) be connected;

The spinning toolbox that c, spindle gearing both sides are provided with respectively (9,10); The spinning toolbox of every side includes the side cylinder plate (102) that is connected on the main frame (1a); The middle part of side cylinder plate connects a side cylinder (101), four jiaos and connects a horizontal guide pillar (103) respectively; Horizontal guide pillar (103) is gone up and is connected a sliding panel (104), and sliding panel (104) is connected with the piston rod of side cylinder (101), and sliding panel (104) is moved at the horizontal guide pillar in the driving lower edge of side cylinder (101) (103); Sliding panel (104) middle part is provided with a vertical guide pillar (109); Vertical guide pillar (109) is gone up and is connected a fixed mount (108), and fixed mount (108) one sides connect a knife rest (106) that spinning cutter (107) is installed, and sliding panel (104) top also connects a vertical oil cylinder (105); The piston rod of vertical oil cylinder (105) is connected with fixed mount (108), and fixed mount (108) is moved up and down at the vertical guide pillar in driving lower edge (109) of vertical oil cylinder (105).

2. the rotary press modelling device of outer lug boss belt pulley in the band according to claim 1; It is characterized in that the cutter inclination certain angle in sidespin push type broach tool assembly (10) intermediate slide (106), the cutter (907) in opposite side spinning toolbox (9) intermediate slide (906) is a plumbness.

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