A numerical control lathe auxiliary spindle pneumatic workpiece ejector device

Abstract

The utility model discloses a kind of numerical control lathe auxiliary spindle pneumatic workpiece ejector device, it is related to ejector technical field, and the utility model includes box body, the side of box body is equipped with support plate, the upper side of support plate is equipped with support rod, and the outer end portion of support rod is fixed with ejector head, fixed with side plate in box body, the outer surface side of box body is fixed with limit stop, the side of side plate is fixed with cylinder, and the output end of cylinder is fixed with moving plate and is connected with moving plate, the side of moving plate is fixed with support plate, the utility model provides a kind of numerical control lathe auxiliary spindle pneumatic workpiece ejector device, by numerical control system control pneumatic ejection and motor adjustment, shorten workpiece loading and unloading time, improve efficiency, reduce operation risk, guarantee equipment safety;Meanwhile, motor drive screw rod and detachable support rod etc. Design can be realized ejector head transverse flexible adjustment, improve the compatibility of device to different workpieces.

Description

Technical Field

[0001] This utility model relates to the field of ejector technology, specifically to a pneumatic workpiece ejector device for the sub-spindle of a CNC lathe. Background Technology

[0002] An ejector device is a device used in machining equipment (such as lathes, milling machines, injection molding machines, etc.) to push or eject finished workpieces or scrap from fixtures, molds, or machining positions. Its core function is to achieve rapid workpiece unloading, improve machining efficiency, reduce manual intervention, and ensure the stability and reliability of the unloading process.

[0003] However, existing technologies still have the following problems:

[0004] Existing CNC lathe subspindle pneumatic workpiece ejector devices are mostly lacking in automation and safety. Existing devices mostly rely on manual control or simple mechanical linkage, which takes a long time to load and unload workpieces. Manual operation is prone to contact with high-speed rotating or high-temperature workpieces, posing safety hazards. They also lack precise limiting and guiding structures, making them prone to collision with spindle components during ejection, threatening equipment safety and machining accuracy.

[0005] Furthermore, existing CNC lathe subspindle pneumatic workpiece ejector devices typically have poor adjustment flexibility and versatility, making it difficult to quickly adjust the ejector head position and adapt to axial differences in workpieces of different specifications. Their fixed structural design and inconvenient height adjustment result in low compatibility with workpieces of different sizes, limiting their application in various CNC lathe models and diverse machining scenarios.

[0006] To address the aforementioned problems, the inventors proposed a pneumatic workpiece ejector device for the sub-spindle of a CNC lathe. Utility Model Content

[0007] To address the issues of insufficient automation and safety, as well as poor adjustment flexibility and versatility, the purpose of this utility model is to provide a pneumatic workpiece ejector device for the sub-spindle of a CNC lathe.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a pneumatic workpiece ejector device for a CNC lathe sub-spindle, comprising a housing, a support plate on one side of the housing, a support rod on the upper side of the support plate, and an ejector head fixedly provided at the outer end of the support rod, a side plate fixedly provided inside the housing, a limiting plate fixedly provided on one side of the outer surface of the housing, a cylinder fixedly provided on one side of the side plate, and the output end of the cylinder passing through the housing and the limiting plate and fixedly connected to a moving plate, one side of the moving plate being fixedly connected to the support plate, sleeves symmetrically connected to one side of the limiting plate by bolts, and positioning posts symmetrically fixedly provided on one side of the side plate, with the positioning posts passing through the corresponding sleeves.

[0009] Preferably, the upper surface of the support plate is symmetrically fixed with side blocks, and a lead screw is rotatably provided between the two side blocks. A motor is fixedly provided on the outer side of one of the side blocks, and the output end of the motor passes through the side block and is fixedly connected to the lead screw. A moving block is threaded on the outer surface of the lead screw, and a sliding plate is fixedly connected to the upper surface of the moving block. The support rod is detachably provided on the sliding plate.

[0010] Preferably, the two sides of the box are symmetrically fixed with abutment blocks, and the lower surface of the abutment blocks is movably fitted with a support leg. The inner side of the support leg is connected to the box by bolts, and a pad is symmetrically connected to one side of the box by bolts.

[0011] Preferably, the upper surface of the skateboard is bolted to a mounting plate, and one side of the mounting plate is fixedly connected to a support rod. The cross-sectional shape of the mounting plate is L-shaped.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model uses a CNC system to control both pneumatic ejection and motor adjustment, eliminating the need for manual intervention, thus shortening workpiece loading and unloading time and improving processing efficiency; it avoids manual contact with high-speed rotating or high-temperature workpieces, reducing operational risks; the limiting effect of the positioning column and sleeve, and the precise cooperation of the guide rail and slider, can prevent collisions between the device and the main shaft components during ejection, ensuring the safe operation of the equipment.

[0014] 2. This utility model can quickly achieve fine adjustment of the lateral position of the ejector head by driving the lead screw with a motor (to adapt to the axial position differences of workpieces of different specifications); the L-shaped mounting plate and detachable support rod design support the flexible replacement or adjustment of the ejector head height, improving the compatibility of the device with workpieces of different sizes. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is an exploded view of the internal structure of the box and some related structures of this utility model.

[0018] Figure 3 This is an exploded view of the supporting plate structure of this utility model.

[0019] In the diagram: 1. Box body; 11. Support leg; 12. Abutment block; 13. Pad block; 2. Side plate; 21. Limiting plate; 22. Cylinder; 23. Moving plate; 24. Sleeve; 25. Positioning post; 3. Support plate; 31. Side block; 32. Lead screw; 33. Motor; 34. Moving block; 35. Guide rail; 36. Slider; 4. Support rod; 41. Ejector head; 42. Slide plate; 43. Mounting plate. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figure 1-3 As shown, this utility model provides a pneumatic workpiece ejector device for a CNC lathe sub-spindle, including a housing 1. A support plate 3 is provided on one side of the housing 1, and a support rod 4 is provided on the upper side of the support plate 3. An ejector head 41 is fixedly provided at the outer end of the support rod 4. A side plate 2 is fixedly provided inside the housing 1. A limiting plate 21 is fixedly provided on one side of the outer surface of the housing 1. A cylinder 22 is fixedly provided on one side of the side plate 2, and the output end of the cylinder 22 passes through the housing 1 and the limiting plate 21 and is fixedly connected to a moving plate 23. One side of the moving plate 23 is fixedly connected to the support plate 3. A sleeve 24 is symmetrically connected to one side of the limiting plate 21 by bolts. A positioning post 25 is symmetrically fixed on one side of the side plate 2, and the positioning post 25 passes through the corresponding sleeve 24. When the workpiece needs to be ejected, compressed air is introduced into the cylinder 22, and the piston rod of the cylinder 22 generates thrust, which pushes the moving plate 23 to move. Since the positioning post 25 on the side plate 2 passes through the corresponding sleeve 24, it provides guidance for the movement of the moving plate 23, ensuring that it moves smoothly along a straight line. The moving plate 23 is fixedly connected to the support plate 3, so the support plate 3 will move horizontally synchronously with the moving plate 23, thereby driving the support rod 4 and the ejector head 41 to move towards the secondary spindle. Finally, the ejector head 41 ejects the workpiece from the secondary spindle.

[0022] Side blocks 31 are symmetrically fixed on the upper surface of the support plate 3, and a lead screw 32 is rotatably connected between the two side blocks 31. A motor 33 is fixed on the outer side of one of the side blocks 31, and the output end of the motor 33 passes through the side block 31 and is fixedly connected to the lead screw 32. A moving block 34 is threaded on the outer surface of the lead screw 32, and a sliding plate 42 is fixedly connected to the upper surface of the moving block 34. The support rod 4 is detachably mounted on the sliding plate 42. Guide rails 35 are symmetrically fixed on the upper surface of the support plate 3, and sliders 36 are slidably mounted on the upper surface of the guide rails 35. The upper surface of block 36 is fixedly connected to slide plate 42. To adjust the position of ejector head 41, start motor 33. The output end of motor 33 drives lead screw 32 to rotate. The moving block 34, which is threaded on the outer surface of lead screw 32, will move along the axis of lead screw 32 under the rotation of lead screw 32. The moving block 34 is fixedly connected to slide plate 42. A slider 36 is provided under slide plate 42. The slider 36 slides with guide rail 35, so that the moving block 34 drives slide plate 42 to slide smoothly on guide rail 35, thereby realizing the lateral position adjustment of support rod 4.

[0023] The upper surface of the slide plate 42 is connected to the mounting plate 43 by bolts, and one side of the mounting plate 43 is fixedly connected to the support rod 4. The cross-sectional shape of the mounting plate 43 is L-shaped. The support rod 4 is detachably installed on the mounting plate 43 of the slide plate 42. By replacing the support rod 4 of different lengths or adjusting the fixed position of the mounting plate 43 on the slide plate 42, the height of the ejector head 41 can be adjusted to meet the ejection requirements of workpieces of different specifications.

[0024] The box body 1 is symmetrically fixed with abutment blocks 12 on both sides, and the lower surface of the abutment blocks 12 is movably fitted with support legs 11. The inner side of the support legs 11 is connected to the box body 1 by bolts. The box body 1 is symmetrically connected with pad blocks 13 by bolts on one side. The box body 1 is movably fitted with the support legs 11 through the abutment blocks 12 and is fastened with bolts, thereby firmly installing the entire device at the corresponding position of the CNC lathe sub-spindle. The pad blocks 13 are used to adjust the overall height of the device to ensure that the ejector head 41 is aligned with the center of the workpiece.

[0025] Among them, cylinder 22 and motor 33 are existing technologies and will not be described in detail; at the same time, this utility model also includes power supply, controller and switch, etc., which are not the main technical points of this patent and will not be described in detail.

[0026] Working principle: When a workpiece needs to be ejected, compressed air is introduced into the cylinder 22. The piston rod of the cylinder 22 generates thrust, which pushes the moving plate 23 to move. Since the positioning pin 25 on the side plate 2 passes through the corresponding sleeve 24, it provides guidance for the movement of the moving plate 23, ensuring that it moves smoothly in a straight line. The moving plate 23 is fixedly connected to the support plate 3. Therefore, the support plate 3 will move horizontally synchronously with the moving plate 23, thereby driving the support rod 4 and the ejector head 41 to move towards the sub-spindle. Finally, the ejector head 41 ejects the workpiece from the sub-spindle.

[0027] To adjust the position of the ejector head 41, start the motor 33. The output end of the motor 33 drives the lead screw 32 to rotate. The moving block 34, which is threaded on the outer surface of the lead screw 32, will move along the axis of the lead screw 32 under the rotation of the lead screw 32. The moving block 34 is fixedly connected to the slide plate 42. The slide plate 42 is provided with a slider 36. The slider 36 is slidably engaged with the guide rail 35, so that the moving block 34 drives the slide plate 42 to slide smoothly on the guide rail 35, thereby realizing the lateral position adjustment of the support rod 4.

[0028] In addition, the support rod 4 is detachably mounted on the mounting plate 43 of the slide plate 42. By replacing the support rod 4 of different lengths or adjusting the fixed position of the mounting plate 43 on the slide plate 42, the height of the ejector head 41 can be adjusted to meet the ejection requirements of workpieces of different specifications.

[0029] The box 1 is movably fitted with the support leg 11 through the abutment block 12 and is fastened with bolts, thereby firmly installing the entire device at the corresponding position of the CNC lathe sub-spindle. The pad block 13 is used to adjust the overall height of the device to ensure that the ejector head 41 is aligned with the center of the workpiece.

[0030] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A pneumatic workpiece ejector device for a CNC lathe sub-spindle, comprising a housing (1), characterized in that: A support plate (3) is provided on one side of the box body (1), and a support rod (4) is provided on the upper side of the support plate (3). An ejector head (41) is fixedly provided at the outer end of the support rod (4). A side plate (2) is fixedly provided inside the box body (1). A limiting plate (21) is fixedly provided on one side of the outer surface of the box body (1). A cylinder (22) is fixedly provided on one side of the side plate (2). The output end of the cylinder (22) passes through the box body (1) and the limiting plate (21) and is fixedly connected to a moving plate (23). One side of the moving plate (23) is fixedly connected to the support plate (3).

2. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 1, characterized in that: The upper surface of the support plate (3) is symmetrically fixed with side blocks (31), and a lead screw (32) is rotatably provided between the two side blocks (31). A motor (33) is fixedly provided on the outer side of one of the side blocks (31), and the output end of the motor (33) passes through the side block (31) and is fixedly connected to the lead screw (32). A moving block (34) is threaded on the outer surface of the lead screw (32), and a sliding plate (42) is fixedly connected to the upper surface of the moving block (34). The support rod (4) is detachably mounted on the sliding plate (42).

3. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 1, characterized in that: The box body (1) is symmetrically fixed with abutment blocks (12) on both sides, and the lower surface of the abutment blocks (12) is movably fitted with support legs (11). The inner side of the support legs (11) is connected to the box body (1) by bolts.

4. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 1, characterized in that: One side of the box (1) is symmetrically connected with pads (13) by bolts.

5. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 1, characterized in that: The limiting plate (21) is symmetrically connected to a sleeve (24) by bolts on one side, and a positioning post (25) is symmetrically fixed on one side of the side plate (2), and the positioning post (25) passes through the corresponding sleeve (24).

6. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 1, characterized in that: The upper surface of the support plate (3) is symmetrically fixed with guide rails (35), and the upper surface of the guide rails (35) is slidably provided with sliders (36), the upper surface of the sliders (36) being fixedly connected to the slide plate (42).

7. The pneumatic workpiece ejector device for the secondary spindle of a CNC lathe as described in claim 2, characterized in that: The upper surface of the slide plate (42) is connected to the mounting plate (43) by bolts, and one side of the mounting plate (43) is fixedly connected to the support rod (4).

8. The pneumatic workpiece ejector device for the CNC lathe sub-spindle as described in claim 7, characterized in that: The mounting plate (43) has an L-shaped cross-section.

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