Three-station boring and milling machine

Abstract

The utility model discloses a three-station boring and milling machine which comprises a base frame, three boring and milling equipment bodies are arranged outside the base frame, a mounting frame is welded outside the base frame, a fixing box is connected to the mounting frame in a penetrating mode, and a pressing mechanism is arranged on the fixing box. The pressing mechanism comprises a partition plate fixedly connected into the fixing box, two symmetrically-distributed first threaded rods are connected to the partition plate in a rotating and penetrating mode, and lifting blocks are arranged on the two first threaded rods in a threaded and sleeved mode. According to the three-station boring and milling machine, the top of a to-be-machined workpiece can be pressed through the arranged pressing mechanism so that the to-be-machined workpiece can abut against the containing table, meanwhile, the multiple auxiliary pressing plates capable of moving telescopically can be matched with the irregular face of the to-be-machined workpiece, and therefore the pressing effect is improved, the to-be-machined workpiece can be placed more stably, boring and milling machining can be conveniently conducted on the to-be-machined workpiece, and the machining efficiency is improved. And the precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boring and milling machines, in particular to a three-station boring and milling machine. Background Art

[0002] Boring and milling machines are a type of processing tool commonly used in the processing industry. They combine the functions of boring machines and milling machines in one, making processing more efficient and more precise, greatly improving product quality and labor efficiency. At the same time, in order to improve boring and milling efficiency, three stations are often used to perform synchronous processing on a single workpiece.

[0003] Announcement No. CN 205519747 U discloses a three-station boring machine, including a face milling cutter disc, a shaped milling cutter, a face milling cutter disc, a slide, a milling head box, a servo motor 1, a servo motor 2, a screw, a spindle and a workbench; the servo motor is connected to the screw, the servo motor drives the screw to rotate, the workbench and the screw thread engage, the workbench is connected to the slide, the screw rotates to make the workbench slide back and forth on the slide, the slide, servo motor, screw and workbench are correspondingly arranged in the middle position of the three-station boring machine; the three-station boring machine is respectively provided with a left station, a right station and a rear station. The structure of the three-station boring and milling machine improves the structure of the weak links and reduces the bending load and torque load through the layout. Because the boring and milling machine is a three-station structure and the three-station main motion, the productivity is high. Because there is three-axis positioning, there is no need to frequently disassemble and assemble the workpiece, so the parts processing accuracy is good and the product quality is stable.

[0004] However, the boring and milling machine has the following shortcomings: when the equipment is used, it performs three-station synchronous boring and milling on the workpiece, but often when boring and milling some workpieces, the workpieces will shake and deviate after being subjected to force, resulting in poor boring and milling accuracy.

[0005] Therefore, the utility model provides a three-station boring and milling machine to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a three-station boring and milling machine to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a three-station boring and milling machine, including a base frame, three boring and milling equipment bodies are arranged outside the base frame, a mounting frame is welded outside the base frame, a fixing box is connected through the mounting frame, and a pressing mechanism is arranged on the fixing box;

[0008] The pressing mechanism includes a partition fixedly connected in a fixed box, and two symmetrically distributed first threaded rods are rotatably penetrated and connected on the partition, and lifting blocks are threadedly sleeved on the two first threaded rods, and one side of the two lifting blocks is fixedly connected with a connecting rod, and the bottom ends of the two connecting rods are slidably extended to the outside of the fixed box. The bottom ends of the two connecting rods are fixedly connected to the same pressing plate, and the two first threaded rods are fixedly sleeved with driven gears. The bottom of the partition is fixedly connected to a first motor, and the output shaft of the first motor is fixedly connected to a transmission shaft, and a driving gear is fixedly sleeved on the transmission shaft, and the driving gear is meshed with the two driven gears.

[0009] Preferably, the pressing plate is penetrated and connected with a plurality of symmetrically distributed cylinders, the top inner wall of the cylinder is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with a second threaded rod, a telescopic sleeve is threadedly sleeved on the second threaded rod, the bottom end of the telescopic sleeve slides and extends outside the cylinder, and the bottom end of the telescopic sleeve is fixedly connected with an auxiliary pressure plate, and the combination of the arranged cylinder, the second motor, the second threaded rod, the telescopic sleeve and the auxiliary pressure plate can facilitate the pressing of other top surfaces of different heights of the workpiece to be processed, thereby increasing the pressing points and improving the fixing effect.

[0010] Preferably, a bracket is fixedly connected inside the base frame, a third motor is fixedly connected to the bracket, a third threaded rod is fixedly connected to the output shaft of the third motor, a slider is threadedly sleeved on the third threaded rod, and a placement table is fixedly connected to the top of the slider. By using the bracket, the third motor, the third threaded rod, the slider and the placement table in combination, the workpiece to be processed can be conveniently placed and can be driven to move, which is convenient for operation.

[0011] Preferably, two slide rails are fixedly connected in the base frame, and slide rods are fixedly connected in the two slide rails. Support blocks are slidably sleeved on the two slide rods, and the tops of the two support blocks are connected to the placement table. The placement table can be supported by using the set slide rails, slide rods and support blocks in combination, and the movement of the placement table can be smoother.

[0012] Preferably, two positioning rods are fixedly connected in the fixed box, and the two positioning rods slide through the corresponding lifting blocks respectively, so that the lifting blocks can be lifted and lowered smoothly by the provided positioning rods.

[0013] Preferably, a sliding groove is provided on the inner wall of the cylinder, and a blocking rod is fixedly connected to the outer wall of the telescopic sleeve, and one end of the blocking rod slides and extends into the sliding groove. The sliding groove and the blocking rod are used in combination to facilitate smooth lifting and lowering of the telescopic sleeve and limit the moving distance of the telescopic sleeve.

[0014] Preferably, a first soft pad is fixedly connected to the bottom of the pressing plate, and a second soft pad is fixedly connected to the bottom of the auxiliary pressing plate. By using the first soft pad and the second soft pad in combination, the contact friction between the pressing plate and the auxiliary pressing plate and the workpiece to be processed can be increased, thereby improving the pressing effect thereon.

[0015] Beneficial Effects

[0016] The utility model provides a three-station boring and milling machine. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The three-station boring and milling machine can press the top of the workpiece to be processed by means of a pressing mechanism, so that the workpiece is pressed against the placement table. At the same time, a plurality of retractable and movable auxiliary pressure plates can be arranged to adapt to the irregular surface of the workpiece to be processed, thereby improving the pressing effect, making the placement more stable, facilitating boring and milling processing, and improving accuracy.

[0018] (2) The three-station boring and milling machine can conveniently place the workpiece on the placement table by providing a movable placement table, and conveniently adjust the position of the workpiece, thereby facilitating boring and milling processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the pressing mechanism in the utility model;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the pressing mechanism in the utility model;

[0022] Figure 4 It is an assembly drawing of the base frame in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the placing table in the utility model.

[0024] In the figure: 1. base frame; 2. boring and milling equipment body; 3. mounting frame; 4. fixing box; 5. partition; 6. first threaded rod; 7. lifting block; 8. connecting rod; 9. pressing plate; 10. driven gear; 11. first motor; 12. transmission shaft; 13. driving gear; 14. cylinder; 15. second motor; 16. second threaded rod; 17. telescopic sleeve; 18. auxiliary pressure plate; 19. bracket; 20. third motor; 21. third threaded rod; 22. slider; 23. placing table; 24. slide rail; 25. slide rod; 26. support block; 27. positioning rod; 28. slide groove; 29. ​​stop rod; 30. first cushion; 31. second cushion. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0026] Embodiment 1:

[0027] Please refer to Figure 1 Figure 2 and Figure 3 , a three-station boring and milling machine, including a base frame 1. There are three boring and milling equipment bodies 2 arranged outside the base frame 1, and the three boring and milling equipment bodies 2 are distributed in a "pin" shape. An installation frame 3 is welded outside the base frame 1, and a fixed box 4 is connected through the installation frame 3. A pressing mechanism is arranged on the fixed box 4;

[0028] The pressing mechanism includes a partition plate 5 fixedly connected inside the fixed box 4. Two symmetrically distributed first threaded rods 6 are rotatably connected through the partition plate 5. Lifting blocks 7 are threadedly sleeved on both first threaded rods 6. One side of each of the two lifting blocks 7 is fixedly connected with a connecting rod 8. The bottom ends of the two connecting rods 8 both slide and extend outside the fixed box 4, and the bottom ends of the two connecting rods 8 are fixedly connected with the same pressing plate 9. Driven gears 10 are fixedly sleeved on both first threaded rods 6. A first motor 11 is fixedly connected to the bottom of the partition plate 5. The output shaft of the first motor 11 is fixedly connected with a transmission shaft 12. The transmission shaft 12 rotatably penetrates the partition plate 5. A driving gear 13 is fixedly sleeved on the transmission shaft 12, and the driving gear 13 meshes with both driven gears 10; A plurality of symmetrically distributed cylinders 14 are connected through the pressing plate 9. A second motor 15 is fixedly connected to the inner wall of the top of the cylinder 14. The output shaft of the second motor 15 is fixedly connected with a second threaded rod 16. A telescopic sleeve 17 is threadedly sleeved on the second threaded rod 16. The bottom end of the telescopic sleeve 17 slides and extends outside the cylinder 14, and the bottom end of the telescopic sleeve 17 is fixedly connected with an auxiliary pressing plate 18.

[0029] Embodiment 2:

[0030] Please refer to Figures 1 to 5This embodiment provides a technical solution based on the first embodiment: a bracket 19 is fixedly connected in the base frame 1, a third motor 20 is fixedly connected to the bracket 19, a third threaded rod 21 is fixedly connected to the output shaft of the third motor 20, a slider 22 is threadedly sleeved on the third threaded rod 21, and a placement table 23 is fixedly connected to the top of the slider 22; two slide rails 24 are fixedly connected in the base frame 1, slide rods 25 are fixedly connected in the two slide rails 24, support blocks 26 are slidably sleeved on the two slide rods 25, and the two support blocks 26 are fixedly sleeved on the two slide rails 25. The tops are all connected to the placement table 23; two positioning rods 27 are fixedly connected in the fixed box 4, and the two positioning rods 27 slide through the corresponding lifting blocks 7 respectively; a slide groove 28 is opened on the inner wall of the cylinder 14, and a blocking rod 29 is fixedly connected to the outer wall of the telescopic sleeve 17, and one end of the blocking rod 29 slides and extends into the slide groove 28; a first soft pad 30 is fixedly connected to the bottom of the pressing plate 9, and the first soft pad 30 is made of rubber material, and a second soft pad 31 is fixedly connected to the bottom of the auxiliary pressing plate 18, and the second soft pad 31 is made of rubber material.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the operator places the workpiece to be processed on the placement table 23 through the crane, and then starts the third motor 20. The third motor 20 drives the slider 22 threadedly connected to it to move through the third threaded rod 21, and the slider 22 drives the placement table 23 to move, so as to move the workpiece to be processed to the working area of ​​the three boring and milling equipment bodies 2. Then, the first motor 11 is started, and the first motor 11 drives the driving gear 13 to rotate through the transmission shaft 12, and the driving gear 13 drives the two driven gears 10 meshing with it to rotate, and the driven gear 10 drives the first threaded rod 6 to rotate, and the first threaded rod 6 The lifting block 7 threadedly connected thereto is driven to descend, and the lifting block 7 drives the pressing plate 9 to descend through the connecting rod 8 until the first soft pad 30 abuts against the top of the workpiece to be processed, and then the corresponding second motor 15 is selected to be started according to the high and low planes of the top shape of the workpiece to be processed, and the second motor 15 drives the telescopic sleeve 17 threadedly connected thereto to descend through the second threaded rod 16, and the telescopic sleeve 17 drives the bracket 19 to descend until the second soft pad 31 abuts against planes of different heights of the workpiece to be processed, thereby being able to perform multi-point pressing on the workpiece to be processed, making it convenient for the boring and milling equipment body 2 to perform boring and milling processing on it.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A three-station boring and milling machine, comprising a base frame (1), characterized in that: Three boring and milling equipment bodies (2) are arranged outside the base frame (1), a mounting frame (3) is welded outside the base frame (1), a fixing box (4) is connected through the mounting frame (3), and a pressing mechanism is arranged on the fixing box (4); The pressing mechanism comprises a partition (5) fixedly connected in a fixed box (4), two symmetrically distributed first threaded rods (6) are rotatably connected and penetrated on the partition (5), and lifting blocks (7) are threadedly sleeved on the two first threaded rods (6), one side of the two lifting blocks (7) is fixedly connected with a connecting rod (8), the bottom ends of the two connecting rods (8) are slidably extended to the outside of the fixed box (4), the bottom ends of the two connecting rods (8) are fixedly connected to the same pressing plate (9), the two first threaded rods (6) are fixedly sleeved with a driven gear (10), the bottom of the partition (5) is fixedly connected with a first motor (11), the output shaft of the first motor (11) is fixedly connected with a transmission shaft (12), and a driving gear (13) is fixedly sleeved on the transmission shaft (12), and the driving gear (13) is meshed with the two driven gears (10).

2. A three-station boring and milling machine according to claim 1, characterized in that: The pressing plate (9) is connected through a plurality of symmetrically distributed cylinders (14); a second motor (15) is fixedly connected to the top inner wall of the cylinder (14); an output shaft of the second motor (15) is fixedly connected to a second threaded rod (16); a telescopic sleeve (17) is threadedly sleeved on the second threaded rod (16); the bottom end of the telescopic sleeve (17) slides and extends outside the cylinder (14); and the bottom end of the telescopic sleeve (17) is fixedly connected to an auxiliary pressing plate (18).

3. A three-station boring and milling machine according to claim 1, characterized in that: A bracket (19) is fixedly connected inside the base frame (1), a third motor (20) is fixedly connected to the bracket (19), an output shaft of the third motor (20) is fixedly connected to a third threaded rod (21), a slider (22) is threadedly sleeved on the third threaded rod (21), and a placement platform (23) is fixedly connected to the top of the slider (22).

4. A three-station boring and milling machine according to claim 3, characterized in that: Two slide rails (24) are fixedly connected inside the base frame (1), and slide rods (25) are fixedly connected inside the two slide rails (24). Support blocks (26) are slidably sleeved on the two slide rods (25), and the tops of the two support blocks (26) are connected to the placement table (23).

5. A three-station boring and milling machine according to claim 1, characterized in that: Two positioning rods (27) are fixedly connected inside the fixed box (4), and the two positioning rods (27) slide through the corresponding lifting blocks (7) respectively.

6. A three-station boring and milling machine according to claim 2, characterized in that: The inner wall of the cylinder (14) is provided with a slide groove (28), and the outer wall of the telescopic sleeve (17) is fixedly connected with a blocking rod (29), and one end of the blocking rod (29) slides and extends into the slide groove (28).

7. A three-station boring and milling machine according to claim 2, characterized in that: A first soft pad (30) is fixedly connected to the bottom of the pressing plate (9), and a second soft pad (31) is fixedly connected to the bottom of the auxiliary pressing plate (18).

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