A drilling device for processing ultra-low temperature refrigerator door locks

Abstract

This utility model relates to the field of door lock processing technology, and discloses a drilling device for processing ultra-low temperature refrigerator door locks. It includes a processing table with a support mounted on it. First hydraulic rods are mounted on both sides of the bottom of the support, and the first hydraulic rods are fixedly connected to a mounting frame. A rotating shaft is rotatably mounted inside the mounting frame, and a rotating bracket is mounted on the rotating shaft. A self-locking motor connected to the rotating shaft is mounted on the outer wall of the mounting frame. After drilling, the first hydraulic rod drives a lifting plate to rise, causing the drill bit to exit the door lock. Then, the self-locking motor drives the rotating shaft to rotate, causing the rotating bracket to rotate 180 degrees, so that the extension head rotates to the position facing the hole. Then, the first hydraulic rod drives the lifting plate to fall, causing the extension head to insert into the hole, and causing a grinding component to extend from the extension head, so that the grinding component contacts the edge of the hole on the back of the door lock. Driven by a second motor, the grinding component can grind the burrs on the edge of the hole on the back of the door lock.

Description

Technical Field

[0001] This utility model relates to the field of door lock processing technology, specifically a drilling device for processing ultra-low temperature freezer door locks. Background Technology

[0002] Ultra-low temperature freezer door locks are mainly used to keep the door sealed and maintain temperature stability. Existing freezer door locks require drilling on the surface of the door lock during the manufacturing process.

[0003] Currently, drilling is often done with a drill bit when drilling door locks. However, after drilling, many burrs are produced on the edge of the hole on the back of the door lock. In order to polish the edge of the hole on the back of the door lock, the door lock needs to be flipped over. Generally, in order to ensure the stability of drilling, the door lock is fixed by a fixing mechanism. When flipping the door lock, it needs to be flipped over and fixed again, which is quite troublesome.

[0004] To address this issue, those skilled in the art have proposed a drilling device for processing ultra-low temperature freezer door locks, in order to solve the problems mentioned in the background. Utility Model Content

[0005] The purpose of this utility model is to provide a drilling device for processing ultra-low temperature freezer door locks, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A drilling device for processing ultra-low temperature freezer door locks includes a processing table, a bracket mounted on the processing table, first hydraulic rods mounted on both sides of the bottom of the bracket, a mounting frame fixedly connected to the first hydraulic rods, a rotating shaft rotatably mounted inside the mounting frame, a rotating bracket mounted on the rotating shaft, and a self-locking motor connected to the rotating shaft mounted on the outer wall of the mounting frame. The device also includes:

[0008] A first motor and a second motor are mounted on a rotating frame and symmetrically distributed. The drive end of the first motor is connected to a drill bit, and the drive end of the second motor is connected to an extension head.

[0009] A polishing assembly, disposed within an extension head, is used to polish the surface of the holes on the back of the door lock.

[0010] As a further embodiment of this utility model: the grinding assembly includes an inner cavity opened on the side of the extension head away from the rotating frame, a drive plate is slidably arranged in the inner cavity, two symmetrically distributed mounting seats are mounted on the drive plate, one end of the mounting seat is hinged to the movable arm, a grinding plate is arranged on the side of the movable arm away from the mounting seat and close to the outer wall of the drive plate, a sliding groove is opened on the movable arm, and a fixed shaft that slides with the movable arm is installed on the extension head.

[0011] As a further improvement of this utility model: a second hydraulic rod is installed inside the inner cavity, and the second hydraulic rod is connected to the drive plate.

[0012] As a further improvement of this utility model, a perforated groove is provided in the middle of the processing table.

[0013] As a further improvement of this utility model: fixed seats are installed on both sides of the processing table, and a third hydraulic rod is installed at the near end of the two fixed seats, and the third hydraulic rod is fixedly connected to the clamping plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model places the door lock on the processing table, aligns the drilling part of the door lock with the drill bit, and then fixes the door lock. Then, the first hydraulic rod drives the lifting plate to descend, and the first motor drives the drill bit to rotate. The descending drill bit drills through the door lock. After drilling is completed, the first hydraulic rod drives the lifting plate to rise, causing the drill bit to exit the door lock. Then, the self-locking motor drives the rotating shaft to rotate, causing the rotating frame to rotate 180 degrees, so that the extension head rotates to the position facing the hole. Then, the first hydraulic rod drives the lifting plate to descend, causing the extension head to insert into the hole, and the grinding component to extend out of the extension head, so that the grinding component contacts the edge of the hole on the back of the door lock. Driven by the second motor, the grinding component can grind the burrs on the edge of the hole on the back of the door lock. There is no need to flip the door lock and fix it again, which is more convenient to use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a drilling device for processing ultra-low temperature freezer door locks.

[0016] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0017] In the diagram: 1. Machining table; 2. Drilling groove; 3. Support; 4. First hydraulic rod; 5. Lifting plate; 6. Mounting frame; 7. Rotating shaft; 8. Rotating frame; 9. Self-locking motor; 10. First motor; 11. Drill bit; 12. Second motor; 13. Extension head; 14. Inner cavity; 15. Drive plate; 16. Mounting seat; 17. Movable arm; 18. Grinding plate; 19. Fixed shaft; 20. Slide groove; 21. Second hydraulic rod; 22. Fixed seat; 23. Third hydraulic rod; 24. Clamping plate. Detailed Implementation

[0018] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0019] Please see Figures 1-2A drilling device for processing ultra-low temperature refrigerator door locks includes a processing table 1, on which a bracket 3 is mounted. Two first hydraulic rods 4 are mounted on the bottom sides of the bracket 3, and the two first hydraulic rods 4 are synchronized via a synchronization valve. The first hydraulic rods 4 are fixedly connected to a mounting frame 6. A rotating shaft 7 is rotatably mounted inside the mounting frame 6, and a rotating bracket 8 is mounted on the rotating shaft 7. A self-locking motor 9 connected to the rotating shaft 7 is mounted on the outer wall of the mounting frame 6. The rotation angle of the drive shaft of the self-locking motor 9 is controlled by a photoelectric encoder. The device also includes:

[0020] A first motor 10 and a second motor 12 are symmetrically distributed on a rotating frame 8. The drive end of the first motor 10 is connected to a drill bit 11, and the drive end of the second motor 12 is connected to an extension head 13. Both the drill bit 11 and the extension head 13 are in a vertical state when working.

[0021] A polishing assembly is disposed within the extension head 13 and is used to polish the surface of the hole on the back of the door lock.

[0022] By placing the door lock on the processing table 1 and aligning the drilling part of the door lock with the drill bit 11, the door lock is then fixed. The first hydraulic rod 4 drives the lifting plate 5 to descend, and the first motor 10 drives the drill bit 11 to rotate. The descending drill bit 11 drills through the door lock. After drilling, the first hydraulic rod 4 drives the lifting plate 5 to rise, causing the drill bit 11 to exit the door lock. Then, the self-locking motor 9 drives the rotating shaft 7 to rotate, causing the rotating frame 8 to rotate 180 degrees, positioning the extension head 13 directly opposite the hole. The first hydraulic rod 4 then drives the lifting plate 5 to descend, inserting the extension head 13 into the hole and causing the grinding assembly to extend from the extension head 13, contacting the edge of the hole on the back of the door lock. Driven by the second motor 12, the grinding assembly grinds the burrs on the edge of the hole on the back of the door lock, eliminating the need to flip the door lock and re-fix it, making it more convenient to use.

[0023] In one embodiment, the grinding assembly includes an inner cavity 14 formed on the side of the extension head 13 away from the rotating frame 8. A drive plate 15 is slidably disposed within the inner cavity 14. Two symmetrically distributed mounting seats 16 are mounted on the drive plate 15. One end of a movable arm 17 is hinged to each mounting seat 16. A grinding plate 18 is disposed on the side of the movable arm 17 away from the mounting seats 16 and close to the outer wall of the drive plate 15. A sliding groove 20 is formed on the movable arm 17. A fixed shaft 19 that slides with the movable arm 17 is mounted on the extension head 13. A second hydraulic rod 21 is installed within the inner cavity 14 and is connected to the drive plate 15.

[0024] After drill bit 11 completes drilling the door lock, in order to polish the edge of the hole on the back of the door lock, the first hydraulic rod 4 drives the lifting plate 5 to rise, causing drill bit 11 to exit the door lock. Then, the self-locking motor 9 drives the rotating shaft 7 to rotate, causing the rotating frame 8 to rotate 180 degrees, so that the extension head 13 rotates to the position facing the hole. Then, the first hydraulic rod 4 drives the lifting plate 5 to descend, so that the extension head 13 is inserted into the hole. At this time, the second hydraulic rod 21 is activated, and the second hydraulic rod 21 drives the drive plate 15 to rise. Through the cooperation of the slide groove 20 and the fixed shaft 19, the movable arm 17 moves to the outside of the inner cavity 14 and the end of the movable arm 17 away from the drive plate 15 tilts outward, thereby causing the polishing plate 18 to extend. Then, the first hydraulic rod 4 drives the lifting plate 5 to rise, causing the extension head 13 to rise, so that the polishing plate 18 of the movable arm 17 contacts the burr edge of the hole on the back of the door lock. As the second motor 12 drives the extension head 13 to rotate, the polishing plate 18 will also rotate, thereby polishing the burrs.

[0025] In one embodiment, the processing table 1 is provided with a drilling groove 2 in the middle to prevent the drill bit 11 from contacting the processing table 1.

[0026] In one embodiment, the processing table 1 is equipped with fixed seats 22 on both sides, and a third hydraulic rod 23 is installed at the near end of the two fixed seats 22. The third hydraulic rod 23 is fixedly connected to the clamping plate 24.

[0027] Place the door lock on the processing table 1 so that the drilling part of the door lock is aligned with the drill bit 11. Then activate the third hydraulic rod 23 to drive the clamping plate 24 to press against the end of the door lock to clamp and fix it, thereby improving the stability during the drilling process.

Claims

1. A punching device for processing of a door lock of an ultra-low temperature refrigerator comprising a processing table, characterized in that, The processing table is equipped with a bracket, and first hydraulic rods are installed on both sides of the bottom of the bracket. The first hydraulic rods are fixedly connected to the mounting frame. A rotating shaft is rotatably installed inside the mounting frame, and a rotating bracket is installed on the rotating shaft. A self-locking motor connected to the rotating shaft is installed on the outer wall of the mounting frame. The system also includes: A first motor and a second motor are mounted on a rotating frame and symmetrically distributed. The drive end of the first motor is connected to a drill bit, and the drive end of the second motor is connected to an extension head. A polishing assembly, disposed within an extension head, is used to polish the surface of the holes on the back of the door lock.

2. The punch device for processing of a door lock of an ultra-low temperature refrigerator according to claim 1, characterized in that The grinding assembly includes an inner cavity on the side of the extension head away from the rotating frame. A drive plate is slidably disposed in the inner cavity. Two symmetrically distributed mounting seats are mounted on the drive plate. One end of the movable arm is hinged to the mounting seat. A grinding plate is disposed on the side of the movable arm away from the mounting seat and close to the outer wall of the drive plate. A sliding groove is provided on the movable arm. A fixed shaft that slides with the movable arm is mounted on the extension head.

3. The punch device for processing of a door lock of an ultra-low temperature refrigerator according to claim 2, characterized in that A second hydraulic rod is installed inside the cavity, and the second hydraulic rod is connected to the drive plate.

4. The punch device for processing of a door lock of an ultra-low temperature refrigerator according to claim 1, characterized in that, A perforation groove is provided in the middle of the processing table.

5. The punch device for processing of a door lock of an ultra-low temperature refrigerator according to claim 1, characterized in that, The processing table is equipped with fixed seats on both sides, and a third hydraulic rod is installed at the near end of the two fixed seats. The third hydraulic rod is fixedly connected to the clamping plate.

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