Device for achieving automatic feeding and discharging multi-angle machining of main shaft in C-ring bending machine

By introducing automatic gripper devices and four-axis machining fixtures into CNC equipment, automatic loading and unloading and multi-angle processing of CNC equipment are realized, solving the high cost and defect rate problems caused by manual operation and improving production efficiency and product quality.

CN223338989UActive Publication Date: 2025-09-16CATHAY PRECISION METAL PROD (WUXI) CO LTD
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Patent Information

Application Number
CN202422630160.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-09-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing CNC machining center equipment requires a lot of manual operation, resulting in high labor costs, large clamping errors, visual fatigue and high risk of product defects, and cannot achieve automatic loading and unloading and multi-angle processing.

Method used

A device is designed, which includes a working base plate, an automatic spindle clamping device, a product discharge tray and a four-axis machining fixture. A pneumatic finger cylinder is used to control the clamping device to realize automatic loading and unloading. A rotating downward pressure cylinder is used to improve the clamping stability. A one-to-two left and right automatic blowing system is used to clean the cutting fluid and iron chips.

Benefits of technology

It realizes automatic loading and unloading and multi-angle processing of CNC equipment, reduces manual intervention, improves work efficiency, reduces the risk of product defects, and enhances clamping stability and cleaning effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223338989U_ABST
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Abstract

The utility model discloses a device for achieving automatic feeding and discharging multi-angle machining of a main shaft in a C-ring bending machine, which comprises a working base plate, a discharging station is arranged on one side of the working base plate, a machining station is arranged on the other side of the working base plate, and a main shaft automatic clamping jaw device connected with a tool turret in CNC (computer numerical control) equipment is movably arranged between the discharging station and the machining station. The main shaft automatic clamping jaw device is directly installed on the tool turret in the CNC equipment, switching between the tool and the main shaft automatic clamping jaw device is achieved on the tool turret, and a multi-shaft mechanical arm does not need to be additionally arranged to grab products.
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Description

Technical Field

[0001] The utility model relates to the field of CNC machining center equipment, in particular to a device for realizing automatic loading and unloading of a main shaft in a C-ring bending machine and multi-angle processing. Background Art

[0002] Unlike automated equipment and Swiss-type lathes, CNC machining centers cannot automatically load parts. Operators must supervise the machine, significantly increasing the number of employees. Currently, small parts processing on CNC machining centers is limited to manual clamping or external quick-change fixtures. This still requires a large number of employees, resulting in a human-machine ratio of 1:4. This significantly increases labor costs during mass production, posing new requirements and challenges for reducing costs and increasing efficiency of CNC machining centers.

[0003] At the same time, the existing CNC machining center equipment often leads to problems such as clamping errors, inadequate clamping, and poor repeatability due to the manual clamping of products. At the same time, employees' repeated operations are prone to visual fatigue, thereby increasing the risk of product defects. To address these problems, this application proposes a solution. Summary of the Invention

[0004] Purpose of the utility model: The purpose of this utility model is to provide a device that can realize multi-angle processing of automatic loading and unloading of the main shaft in the bending C-ring machine, which can realize the automatic loading and unloading of the processed products, automatic clamping production workflow, and reduce excessive manual intervention in the operation process.

[0005] Technical solution: The utility model describes a device for realizing automatic loading and unloading of the spindle in a bending C-ring machine and multi-angle processing, comprising a working base plate, characterized in that a discharge station is provided on one side of the working base plate, and a processing station is provided on the other side, and a spindle automatic clamping device connected to the internal turret of the CNC equipment is provided between the discharge station and the processing station, the discharge station is provided with a product discharge tray and a receiving frame, the processing station is provided with a product four-axis processing fixture, and the product four-axis processing fixture is connected to the four-axis machine through a four-axis machine L-plate.

[0006] Preferably, the automatic spindle clamping device includes a tool handle, a pneumatic finger cylinder and a clamp. One end of the tool handle is installed on the turret inside the CNC equipment, and the other end is connected to the pneumatic finger cylinder. The output end of the pneumatic finger cylinder is connected to the clamp.

[0007] The clamping and releasing of the clamp is controlled by the pneumatic finger cylinder to complete the loading and unloading operations of the product.

[0008] Preferably, the product discharge tray is fixed on the working base plate by a support column, a material receiving frame is provided on one side of the product discharge tray, and an L-shaped folding plate is provided on the other side and the side facing the processing station.

[0009] The L-shaped folding plate is used to shield the splash of coolant and iron chips during product processing, thus avoiding damage to the product.

[0010] Preferably, the four-axis processing fixture of the product includes a fixture bridge plate, a product support block, a product mounting seat, a clamping device and a one-to-two left and right automatic blowing system. The fixture bridge plate is fixedly mounted on the four-axis machine L plate, and the product support block is mounted on the fixture bridge plate. Both sides of the product support block are provided with a one-to-two left and right automatic blowing system for blowing air to the product support block. The product mounting seat is arranged on the product support block, and the clamping device is arranged on the fixture bridge plate to clamp the product on the product mounting seat.

[0011] Preferably, the one-to-two left and right automatic blowing system includes a blowing block, an air supply pipeline and a solenoid valve arranged at both ends of the product support block. The directions of the air outlet of the blowing block include parallel to the product support block and oblique to the leveling support block. The air supply pipeline is arranged in the fixture bridge plate, and the outlet is connected to the air outlet in the blowing block. The solenoid valve is arranged on the air supply pipeline to control the opening and closing of the air supply pipeline.

[0012] The air outlet is oriented parallel to or obliquely from the product support block, so that the cutting fluid and iron chips residue on the product support block and the product mounting seat can be blown away after the product is processed and removed.

[0013] Preferably, the product mounting seat and the product support block are detachably connected via bolts, and the product mounting seat is replaced according to different products.

[0014] The interchangeable mounting bracket allows for easy adaptation to a variety of products.

[0015] Preferably, the clamping device includes a clamping block and a rotary downward pressing cylinder, the rotary downward pressing cylinder is arranged below the clamp bridge plate, the output end of the rotary downward pressing cylinder passes upward through the clamp bridge plate and is connected to the clamping block, the clamping block is arranged above the product mounting seat, and a groove matching the product shape is provided on the end face of the clamping block facing the product mounting seat.

[0016] The arrangement of the rotary downward pressure cylinder can improve the stability of the clamping product while clamping the product, and avoid the risk of the clamping block interfering with the main shaft clamping jaws when opening.

[0017] Preferably, a pressure regulating valve is provided on the rotary downward pressure cylinder.

[0018] The pressure regulating valve is set to adjust the air pressure of the rotary downward pressure cylinder.

[0019] Beneficial effects: Compared with the prior art, the present invention has the following advantages:

[0020] (1) The present invention realizes the switching between the tool and the automatic spindle clamping device on the turret by directly installing the automatic spindle clamping device on the turret, without the need to configure a multi-axis manipulator to grasp the product;

[0021] (2) The utility model replaces the operation of employees changing materials inside the machine or exchanging jigs and tools outside the machine by using the automatic spindle clamping device, thereby improving work efficiency and avoiding the risk of employee injury;

[0022] (3) The utility model improves the stability of clamping while clamping the product by adopting a rotating downward pressure cylinder;

[0023] (4) In the present invention, the material discharge tray and the main shaft automatic clamping device can be designed individually according to different products, and the overall applicability is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0025] Figure 2 It is a front view of the utility model.

[0026] Figure 3 This is a front view of the automatic spindle clamping device of the utility model.

[0027] Figure 4 This is a schematic diagram of the three-dimensional structure of the four-axis machining fixture of the utility model.

[0028] Among them: 1. Working base plate; 2. Spindle automatic clamping device; 3. Product discharge tray; 4. Material receiving frame; 5. Support column; 6. L-shaped folding plate; 7. Product four-axis processing fixture; 8. Four-axis machine L plate; 9. Four-axis machine; 21. Tool handle; 22. Pneumatic finger cylinder; 23. Clamp; 71. Clamp bridge plate; 72. Product support block; 73. Product mounting seat; 74. Blowing block; 75. Clamping block; 76. Rotary downward pressure cylinder. DETAILED DESCRIPTION

[0029] The technical solution of the present utility model will be further described below with reference to the accompanying drawings.

[0030] See attached Figures 1 to 4Figure, the device shown in the utility model for realizing multi-angle processing of automatic loading and unloading of the spindle in the bending C-ring machine includes a working base plate 1, a material discharge station is arranged on the left side of the working base plate 1, a processing station is arranged on the right side, and an automatic spindle clamping device 2 connected to the internal turret of the CNC equipment is arranged to move between the material discharge station and the processing station.

[0031] In this embodiment, a product discharge tray 3 and a receiving frame 4 are provided on the discharge station, wherein the product discharge tray 3 is fixed on the working base plate 1 by a support column 5, and a receiving frame 4 is provided on one side of the product discharge tray 3, and an L-shaped folding plate 6 is provided on the other side and the side facing the processing station. The L-shaped folding plate 6 is provided to block the splashing of coolant and iron chips and residues during product processing, thereby avoiding damage to the product.

[0032] In this embodiment, the automatic spindle clamping device 2 includes a tool handle 21, a pneumatic finger cylinder 22 and a clamp 23, wherein one end of the tool handle 21 is installed on the turret inside the CNC equipment, and the other end is connected to the pneumatic finger cylinder 22. The output end of the pneumatic finger cylinder 22 is connected to the clamp 23, and the clamping and releasing of the clamp 23 are controlled by the pneumatic finger cylinder 22 to complete the loading and unloading operations of the product.

[0033] In this embodiment, a four-axis product processing fixture 7 is provided on the processing station, and the four-axis product processing fixture 7 is connected to the four-axis machine 9 through the four-axis machine L-plate 8. The four-axis product processing fixture 7 includes a fixture bridge plate 71, a product support block 72, a product mounting seat 73, a clamping device and a one-to-two left and right automatic blowing system, wherein the fixture bridge plate 71 is fixedly installed on the four-axis machine L-plate 8, the product support block 72 is installed on the fixture bridge plate 71, and a one-to-two left and right automatic blowing system for blowing air to the product support block is provided on both sides of the product support block 73, the product mounting seat 74 is provided on the product support block 72, and the clamping device is provided on the fixture bridge plate 71 to clamp the product on the product mounting seat 73.

[0034] In this embodiment, the one-to-two left and right automatic air blowing system includes an air blowing block 74, an air supply pipeline and an electromagnetic valve arranged at both ends of the product support block. The direction of the air outlet of the air blowing block 74 includes parallel to the product support block 72 and oblique to the product support block 72. The air supply pipeline is arranged in the fixture bridge plate 71, and the outlet is connected to the air outlet in the air blowing block 74. The electromagnetic valve is arranged on the air supply pipeline to control the opening and closing of the air supply pipeline. The direction of the air outlet is parallel to and oblique to the product support block 72, so that the cutting fluid and iron chips residue on the product support block 72 and the product mounting seat 73 can be blown clean after the product is processed and removed.

[0035] In this embodiment, the product mounting seat 73 and the product support block 72 are detachably connected by bolts. The product mounting seat 73 can be replaced according to different products to facilitate adaptation to a variety of different products.

[0036] In this embodiment, the clamping device includes a clamping block 75 and a rotary pressing cylinder 76, wherein the rotary pressing cylinder 76 is arranged below the clamp bridge plate 71, and the output end of the rotary pressing cylinder 76 passes upward through the clamp bridge plate 71 and is connected to the clamping block 75. The clamping block 75 is arranged above the product mounting seat 73, and a groove matching the product shape is provided on the end face of the clamping block 75 facing the product mounting seat 73. The setting of the rotary pressing cylinder 76 can improve the stability of clamping the product while clamping the product, and avoid the risk of the clamping block 75 interfering with the spindle clamp when opening.

[0037] In this embodiment, a pressure regulating valve is provided on the rotary downward pressing cylinder 76 to adjust the air pressure of the rotary downward pressing cylinder.

[0038] When this application is in operation, the operator installs the tool holder 21 in the automatic spindle clamping device 2 on the turret inside the CNC equipment, and uses the CNC spindle macro program to control the movement of the automatic spindle clamping device 2 and the clamping of the pneumatic finger cylinder 22 to grab the product on the product discharge tray 3 and put it into the product mounting seat 73 of the product four-axis machining fixture. At this time, the rotating downward pressure cylinder 76 automatically rotates and presses down, driving the clamping block 75 to clamp the product in the product mounting seat 73. At this time, the product is processed. After the product processing is completed, the rotating downward pressure cylinder 76 releases the product, and the automatic spindle clamping device 2 clamps the product and transfers the product to the receiving frame 4. At the same time, the one-to-two left and right automatic blowing system is started to blow away the iron chips and residues on the product mounting seat 73 and the product support block 72, and the entire operation process is completed.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by persons skilled in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A device for realizing multi-angle processing of the main spindle of a C-ring bending machine by automatically loading and unloading materials, comprising a working base plate, characterized in that: A discharge station is provided on one side of the working base plate, and a processing station is provided on the other side. A spindle automatic clamping device connected to the turret inside the CNC equipment is movable between the discharge station and the processing station. A product discharge tray and a material receiving frame are provided on the discharge station, and a product four-axis processing fixture is provided on the processing station. The product four-axis processing fixture is connected to the four-axis machine through a four-axis machine L-plate.

2. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine according to claim 1, characterized in that: The automatic spindle clamping device includes a tool handle, a pneumatic finger cylinder and a clamp. One end of the tool handle is installed on the turret inside the CNC equipment, and the other end is connected to the pneumatic finger cylinder. The output end of the pneumatic finger cylinder is connected to the clamp.

3. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine at multiple angles according to claim 1, characterized in that: The product discharge tray is fixed on the working base plate through a supporting column. A material receiving frame is provided on one side of the product discharge tray, and an L-shaped folding plate is provided on the other side and the side facing the processing station.

4. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine according to claim 1, characterized in that: The four-axis processing fixture of the product includes a fixture bridge plate, a product support block, a product mounting seat, a clamping device and a one-to-two left and right automatic blowing system. The fixture bridge plate is fixedly installed on the L-plate of the four-axis machine, and the product support block is installed on the fixture bridge plate. Both sides of the product support block are provided with a one-to-two left and right automatic blowing system for blowing air to the product support block. The product mounting seat is set on the product support block, and the clamping device is set on the fixture bridge plate to clamp the product on the product mounting seat.

5. The device for realizing automatic loading and unloading of the main shaft in a C-ring bending machine according to claim 4, characterized in that: The one-to-two left and right automatic blowing system includes blowing blocks, air supply pipelines and solenoid valves arranged at both ends of the product support block. The directions of the air outlet of the blowing block include parallel to the product support block and oblique to the leveling support block. The air supply pipeline is arranged in the fixture bridge plate, and the outlet is connected to the air outlet in the blowing block. The solenoid valve is arranged on the air supply pipeline to control the opening and closing of the air supply pipeline.

6. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine according to claim 4, characterized in that: The product mounting seat and the product support block are detachably connected via bolts, and the product mounting seat is replaced according to different products.

7. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine according to claim 4, characterized in that: The clamping device includes a clamping block and a rotating downward-pressing cylinder. The rotating downward-pressing cylinder is arranged below the clamp bridge plate. The output end of the rotating downward-pressing cylinder passes upward through the clamp bridge plate and is connected to the clamping block. The clamping block is arranged above the product mounting seat. A groove matching the product shape is provided on the end face of the clamping block facing the product mounting seat.

8. The device for realizing automatic loading and unloading of the main spindle in a C-ring bending machine according to claim 7, characterized in that: The rotary downward-pressing cylinder is provided with a pressure regulating valve.