Horizontal double-head honing machine

Abstract

The utility model discloses a horizontal double-head honing machine which comprises a workpiece supporting machine body, a left feeding machine body and a right feeding machine body, and a plurality of workpiece brackets are arranged on the workpiece supporting machine body at equal height. A honing box is arranged on the feeding machine body, the honing box is arranged on the top surface of the feeding machine body or in the feeding machine body in a sliding manner, a feeding driving device is arranged in a manner of being matched with the honing box, and the feeding driving device can drive the honing box to transversely move and slide on the feeding machine body; a honing rod support is further arranged on the feeding machine body, and a honing expansion and contraction device is further arranged on the honing box. The horizontal double-end honing machine is further provided with an electrical control system in a matched mode, two-end cross honing of a long workpiece, independent honing of any end of a medium-length workpiece and independent honing of two ends of a short workpiece are achieved, and the problems that in the prior art, secondary clamping, hoisting, alignment and the like of an ultra-long workpiece are difficult, the machining precision is poor, and the efficiency is low are solved.

Description

Technical Field

[0001] This utility model relates to the field of deep hole honing machinery technology, and in particular to a horizontal double-head CNC deep hole honing machine tool. Background Technology

[0002] Among existing machining methods, honing technology, as an advanced manufacturing technology, has the characteristics of high machining accuracy, good surface quality, high machining efficiency, and wide application. This machining method is widely used for roughing and finishing deep holes of various shapes. The diameter of the holes that can be machined by this method is between 30-1200mm, and the machining depth can reach 12m.

[0003] The current technical problem is that when machining small holes or long workpieces, the honing rod tends to swing, causing collisions between the honing rod and the inside of the workpiece during high-speed rotation, resulting in scratches and dents on the machined surface. The current solution is to supply coolant to both sides of the workpiece via simultaneous oil spraying; however, insufficient lubrication at the center of long workpieces easily damages the honing rod. To ensure machining quality, those skilled in the art can only use segmented turning, but this method requires multiple reference adjustments, making it difficult to guarantee machining accuracy and resulting in low efficiency.

[0004] In view of the above-mentioned drawbacks, it is very necessary for technical personnel in this industry to design a double-head CNC deep hole honing machine. This kind of equipment can realize single-head or double-head processing according to needs, avoiding the impact of existing processing methods on the accuracy of deep holes. Summary of the Invention

[0005] To overcome the shortcomings of existing technologies, this utility model provides a horizontal double-head honing machine, which adopts dual-head intelligent control processing. For short workpieces, the honing head on one side can be selected arbitrarily. For long workpieces, it can be clamped and formed in one go, ensuring the coaxiality of the workpiece. It can achieve cross-honing of both ends for workpieces of 12 meters or more, and can be extended to 18 meters, improving workpiece accuracy and processing efficiency. It avoids the large accuracy error caused by double turning and clamping when processing long workpieces head to head, and reduces clamping time, thus improving efficiency.

[0006] To achieve the above technical objectives, this utility model adopts the following solution: a horizontal double-head honing machine, comprising a workpiece support bed and left and right feed beds, wherein a plurality of workpiece supports are arranged at equal height on the workpiece support bed; a honing box is arranged on the feed bed, the honing box being slidably disposed on the top surface or inside the feed bed, and a feed drive device is provided in conjunction with the honing box, the feed drive device being able to drive the honing box to slide laterally on the feed bed; a honing rod support is also provided on the feed bed, and a honing expansion and contraction device is also provided on the honing box; this horizontal double-head honing machine is also equipped with an electrical control system.

[0007] The feed depths of the left and right feed beds are not set equally, and users can select the processing depth on one side according to actual processing needs.

[0008] This utility model employs a single electrical system to simultaneously control the actions of two sets of feed drive devices and two sets of honing expansion and contraction devices, ensuring simultaneous and staggered processing, and selecting different processing modes for different processing depths.

[0009] The workpiece bracket uses a chain locking method to ensure that the center position of the workpiece remains unchanged.

[0010] A PE pipe is fitted onto the outer wall of the honing rod to prevent the honing rod from scratching the inner wall of the workpiece due to its swinging motion.

[0011] This horizontal double-head honing mill is equipped with filter oil tanks and oil supply systems for each of the two feed beds. Each filter oil tank corresponds to a different feed bed and is centrally collected and circulated for secondary filtration by a filter.

[0012] The two grinding rod boxes on both sides drive the honing rod to rotate and feed, and the honing rods on both sides rotate in opposite directions.

[0013] The electrical control system includes a touch screen, a programmable controller, a servo motor control system, a feed drive system, and a honing expansion and contraction drive system. The above systems communicate with each other via PROFINET. The above control system is combined through engineering configuration software to control the operation of the deep hole double-head honing machine, and to realize data control, real-time monitoring, trend analysis, and fault alarm prompts. Different processing modes can be realized by selecting buttons on the touch screen.

[0014] The beneficial effects of this utility model are as follows: Through the above-mentioned design, when processing long and short workpieces, a single clamping without further movement is possible, effectively ensuring the coaxiality of the workpieces; cross-honing of both ends of long workpieces is achieved, improving workpiece accuracy and processing efficiency, avoiding the large accuracy errors caused by secondary clamping when processing long workpieces by turning them around, and reducing clamping time, thus improving efficiency; this machine tool adopts servo-controlled honing head expansion and contraction, allowing real-time monitoring and adjustment of the processing surface, preventing damage to the honing bars due to excessive pressure. To solve the lubrication problem at the workpiece center position, this machine tool adopts an internal oil supply method within the honing rod, with the oil supply hole synchronized with the position of the honing head. This machine tool also provides a dual-head honing intelligent control system, enabling cross-honing of both ends of long workpieces, individual honing of any one end of medium-length workpieces, and individual honing of both ends of short workpieces, solving the difficulties of secondary clamping, hoisting, and alignment of ultra-long workpieces in existing technologies, as well as the problems of poor processing accuracy and low efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a top view of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the control system of this utility model;

[0018] In the attached diagram, 1. Workpiece support bed; 11. Workpiece bracket; 12. Honing rod bracket; 2. Left feed bed; 21. Sliding tray; 22. Honing rod support; 23. Drive motor; 24. Gearbox; 25. Drive chain; 26. Honing box; 27. Honing expansion and contraction device; 3. Right feed bed; 4. Oil supply system; 41. Paper tape filter; 42. Cooling box; 43. Left oil tank; 44. Right oil tank; 5. Rod; 6. Electrical control system; 61. Touch screen; 62. Programmable controller; 63. Honing expansion and contraction drive system; 64. Feed drive system; 65. Servo motor control system. Detailed Implementation

[0019] As shown in the attached drawings, this utility model discloses a horizontal double-head honing machine. This embodiment provides a detailed demonstration of the specific structure of the horizontal double-head honing machine, and explains the usage method through specific embodiments. Those skilled in the art can implement this technical solution or make further technical extensions based on this technical solution. The scope of protection of this utility model is subject to the claims.

[0020] Example 1:

[0021] A horizontal double-head honing machine includes a workpiece support bed 1 and left and right feed beds 2 and right and right feed beds 3, respectively. Figure 1 As shown, several workpiece brackets 11 are arranged at the same height on the workpiece support bed 1. Honing rod brackets 12 are also provided at both ends of the workpiece support bed 1. The honing rods are supported by the honing rod brackets 12 and inserted into the rod body 5, which is the workpiece being processed. In this embodiment, the workpiece brackets 11 are locked by chains, ensuring that the center position of the rod body 5 remains unchanged after it is fixed.

[0022] The left feed bed 2 and the right feed bed 3 have the same configuration structure. The only difference is that the left feed bed 2 is preset to have a single-sided processing depth of 9m, and the right feed bed 3 is preset to have a single-sided processing depth of 12m.

[0023] Since both sides have the same configuration, taking the left feed bed 2 as an example, a sliding tray 21 is provided on the left feed bed 2. The sliding tray 21 is connected to the gearbox 24 via a drive chain 25. The gearbox 24 is connected to the drive motor 23 via a chain. Driven by the drive motor 23, the sliding tray 21 can move laterally on the left feed bed 2. A honing box 26 and a honing rod support 22 are provided on the sliding tray 21. As the sliding tray 21 moves laterally, it can also drive the honing box 26 and the honing rod support 22 to move laterally. A honing expansion and contraction device 27 is also provided on the honing box 26. An electrical control system 6 is provided in conjunction with this horizontal double-head honing machine.

[0024] With the above structural setup, since the feed depths of the left feed bed 2 and the right feed bed 3 are not equal, the user can select the processing depth on one side according to the actual processing requirements.

[0025] This horizontal double-head honing machine is equipped with a left oil tank 43 and a right oil tank 44 corresponding to the two feed beds, which are respectively used to supply oil for honing the left feed bed 2 and the right feed bed 3. The left oil tank 43 and the right oil tank 44 are respectively connected to the oil supply system 4, which includes a paper tape filter 41 and a cooling box 42.

[0026] The left oil tank 43 and the right oil tank 44 are both filter oil tanks and correspond to different feed beds. They are collected and filtered in a centralized manner by a paper tape filter 41.

[0027] Furthermore, during operation, the two grinding rod boxes 26 on both sides drive the honing rods to rotate and feed. It should be noted that the honing rods on both sides rotate in opposite directions. During processing, a PE pipe is fitted onto the outer wall of the honing rod to prevent scratching the inner wall of the workpiece due to the swinging of the honing rod.

[0028] The electrical control system 6 includes a touch screen 61, a programmable controller 62, a servo motor control system 65, a feed drive system 64, and a honing expansion and contraction drive system 63. These systems communicate with each other via PROFINET. The control system is integrated using engineering configuration software, with one electrical system 6 simultaneously controlling the actions of two feed drive devices and two honing expansion and contraction devices to ensure simultaneous and staggered processing. Different processing modes are selected for different processing depths. It also enables data control, real-time monitoring, trend analysis, and fault alarm prompts. Different processing modes can be selected via buttons on the touch screen.

[0029] Example 2:

[0030] Based on the specific structure of the horizontal double-head honing machine disclosed in Example 1, when machining rods 5 less than 8 meters long, the left feed bed 2 or the right feed bed 3 can be selected from the electrical control system 6 for independent feeding. To improve processing efficiency, the left feed bed 2 and the right feed bed 3 can also be operated synchronously to process deep holes, thereby improving processing efficiency.

[0031] Example 3:

[0032] Based on the specific structure of the horizontal double-head honing machine disclosed in Example 1, when processing rods 5 that are 9 meters or more but less than 12 meters long, the right-side feed bed 3 can be selected for independent feeding through the electrical control system 6, which can perform deep hole honing.

[0033] Example 4:

[0034] Based on the specific structure of the horizontal double-head honing machine disclosed in Example 1, when machining a rod 5 with a length of 12 to 18 meters, the left feed bed 2 and the right feed bed 3 are synchronously fed alternately by the electrical control system 6 to perform deep hole machining.

[0035] In the above processing methods, the electrical control system 6 of this horizontal double-head honing machine can adjust the honing reciprocating frequency, the honing reciprocating length, the honing short stroke setting, and the fixed-point honing setting. Because of its stroke adjustment function, it can perform processing at any position of the hole being machined. During processing, the two grinding rod boxes 26 provide drive honing rods to rotate and feed in opposite directions. The honing head expansion device controls the expansion and contraction of the honing head diameter to ensure the contact pressure between the honing stone and the hole wall, achieving efficient cutting. The reciprocating motion device drives the reciprocating motion of the slide plate, ensuring the machining accuracy of the workpiece's inner hole.

[0036] This invention solves the problems of difficulty in secondary clamping, hoisting, and alignment of ultra-long workpieces in the existing technology, as well as poor processing accuracy and low efficiency.

Claims

1. A horizontal double-head honing machine, characterized in that: It includes a workpiece support bed and feed beds on the left and right sides. Several workpiece supports are arranged at equal height on the workpiece support bed. A honing box is installed on each feed bed, and the honing box is slidably mounted on the top surface or inside the feed bed. A feed drive device is installed in conjunction with the honing box, which drives the honing box to slide laterally on the feed bed. A honing rod support is also installed on the feed bed, and a honing expansion and contraction device is installed on the honing box. This horizontal double-head honing machine is also equipped with an electrical control system.

2. The horizontal double-head honing mill as described in claim 1, characterized in that: The feed depths of the left and right feed beds are not set equally.

3. The horizontal double-head honing machine as described in claim 1, characterized in that: This horizontal double-head honing machine uses a single electrical system to simultaneously control the operation of two sets of feed drive devices and two sets of honing expansion and contraction devices.

4. The horizontal double-head honing machine as described in claim 1, characterized in that: The workpiece bracket is secured by a chain.

5. A horizontal double-head honing mill as described in claim 1, characterized in that: A PE pipe is fitted onto the outer wall of the honing rod.

6. The horizontal double-head honing machine as described in claim 1, characterized in that: This horizontal double-head honing mill is equipped with filter oil tanks and oil supply systems for each of the two feed beds. Each filter oil tank corresponds to a different feed bed and is centrally collected and circulated for secondary filtration by a filter.

7. A horizontal double-head honing machine as described in claim 1, characterized in that: The electrical control system includes a touch screen, a programmable logic controller (PLC), a servo motor control system, a feed drive system, and a honing expansion and contraction drive system; the above systems communicate with each other via PROFINET; and the above control systems are combined through engineering configuration software.

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