CNC machining clamp for lock rear panel

Abstract

The utility model discloses a lockset rear panel CNC processing fixture, including: mounting plate, electric push rod and clamp arm, the two electric push rod are respectively installed on the both sides of mounting plate bottom end, the one side of electric push rod bottom end is provided with connecting frame, connecting frame is movably connected with first connecting shaft, and the first connecting shaft is connected with the clamp arm. The output end of the electric push rod is movably connected with a second connecting shaft, the two ends of the first connecting shaft are movably connected with the top ends of two connecting plates correspondingly, the bottom ends of the two connecting plates are movably connected with two third connecting shafts correspondingly, and the tail ends of the clamping arms are movably connected to the second connecting shaft. The middle portions of the clamping arms are movably connected to the third connecting shaft, and the head ends of the two clamping arms are attached to the two sides of a lock hole of a lock rear panel respectively. According to the CNC machining clamp for the lock rear panel, clamping work can be completed from the inner side of the lock rear panel, and the lock rear panel is prevented from sliding off from the clamp.

Description

Technical Field

[0001] The utility model relates to the technical field of lock processing, in particular to a CNC processing fixture for a lock rear panel. Background Art

[0002] Locks refer to devices that have a sealing function, including locks, keys and their accessories. In addition to being opened with keys, locks can also be opened with commands such as light, electricity, magnetism, sound and fingerprints. Locks are not only protective equipment, but also have the functions of "management" and "decoration". Locks on the market are often processed by CNC, which usually refers to computer digital control precision machining. When performing CNC processing, the lock needs to be clamped by a fixture.

[0003] However, the existing CNC machining fixtures for the rear panel of the lock often perform clamping work from both sides of the exterior of the rear panel of the lock. Since the exterior of the rear panel of the lock is relatively smooth, the rear panel of the lock is easy to slip off the fixture. Utility Model Content

[0004] The purpose of the utility model is to provide a CNC machining fixture for a lock rear panel, which can complete the clamping work from the inner side of the lock rear panel to prevent the lock rear panel from sliding off the fixture, thereby solving the problems raised by the above technical background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC processing fixture for the rear panel of a lock, comprising: a mounting plate, an electric push rod and a clamping arm, wherein the two electric push rods are respectively mounted on both sides of the bottom end of the mounting plate, a connecting frame is mounted on one side of the bottom end of the electric push rod, the connecting frame is movably connected with a first connecting shaft, the output end of the electric push rod is movably connected with a second connecting shaft, the two ends of the first connecting shaft are respectively movably connected to the top ends of the two connecting plates, the bottom ends of the two connecting plates are respectively movably connected to two third connecting shafts, the end of the clamping arm is movably connected to the second connecting shaft, the middle part of the clamping arm is movably connected to the third connecting shaft, and the head ends of the two clamping arms are respectively attached to both sides of the lock hole of the rear panel of the lock;

[0006] The mounting plate is used to mount the electric push rod, the electric push rod is used to push the second connecting shaft to move, the connecting frame is used to mount the first connecting shaft, the first connecting shaft is used to connect the connecting frame and the connecting plate, the second connecting shaft is used to connect the output end of the electric push rod and the clamping arm, the connecting plate is used to connect the first connecting shaft and the third connecting shaft, the third connecting shaft is used to connect the clamping arm and the connecting plate, and the clamping arm is used to clamp the rear panel of the lock.

[0007] Preferably, fixed vertical plates are installed at the front and rear ends of the bottom of the mounting plate, and the bottom ends of the two fixed vertical plates are connected to the two ends of the fixed horizontal plate; the fixed vertical plate is used to connect the mounting plate and the fixed horizontal plate, and the fixed horizontal plate is used to install fixed pins and spring plates.

[0008] Preferably, a receiving hole is provided at the front end of the fixed horizontal plate, and a fixing pin is movably connected inside the receiving hole, and the fixing pin is inserted into the lock hole of the rear panel of the lock; the receiving hole is used to provide a channel for the movement of the fixing pin, and the fixing pin is used to be inserted into the lock hole of the rear panel of the lock to limit the position of the rear panel of the lock.

[0009] Preferably, the top end of the fixing pin is connected to one end of a tensioning spring, the other end of the tensioning spring is connected to a spring plate, and the spring plate is installed on the top end of the fixed horizontal plate; the tensioning spring is used to push the fixing pin to reset after it moves, and the spring plate is used to install the tensioning spring.

[0010] Preferably, a mounting hole is provided on the mounting plate, and the mounting plate is connected to an external device through the mounting hole; the mounting hole is used to screw in a bolt to connect the mounting plate and the external device.

[0011] Preferably, a buckle groove is provided on one side of the head end of the clamp arm, and the buckle groove matches the lock hole of the rear panel of the lock; the buckle groove is used to enable the clamp arm to be tightly attached to the outer side of the lock hole of the rear panel of the lock.

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

[0013] By placing the rear panel of the lock between the two clamping arms, the electric push rod is opened to push the second connecting shaft to move, the second connecting shaft drives one end of the clamping arm to move downward, the middle part of the clamping arm is limited by the connecting plate and the third connecting shaft, the clamping arm rotates along the third connecting shaft, so that the other end of the clamping arm is lifted to clamp the rear panel of the lock;

[0014] The CNC machined clamp for the rear panel of the lock can complete the clamping work from the inner side of the rear panel of the lock to prevent the rear panel of the lock from slipping off the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model when viewed from above;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 This is a schematic diagram of the structure of the utility model when the rear panel of the lock is removed and viewed from above;

[0018] Figure 4 This is a structural schematic diagram of the electric push rod of the utility model;

[0019] Figure 5 It is a cross-sectional view of the mounting plate of the utility model.

[0020] The reference numerals and names in the figures are as follows:

[0021] 100, mounting plate; 110, fixed vertical plate; 120, fixed horizontal plate; 130, accommodating hole; 140, fixed pin; 150, tightening spring; 160, spring plate; 170, mounting hole; 200, electric push rod; 210, connecting frame; 220, first connecting axis; 230, second connecting axis; 240, connecting plate; 250, third connecting axis; 300, clamping arm; 310, buckle groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figures 1 to 5 , the utility model provides an embodiment: a CNC processing fixture for the rear panel of a lock, comprising: a mounting plate 100, an electric push rod 200 and a clamping arm 300, the two electric push rods 200 are respectively connected to the two sides of the bottom end of the mounting plate 100 by bolts, one side of the bottom end of the electric push rod 200 is connected to a connecting frame 210 by bolts, the connecting frame 210 is rotatably connected to a first connecting shaft 220, the output end of the electric push rod 200 is rotatably connected to a second connecting shaft 230, the two ends of the first connecting shaft 220 are respectively rotatably connected to the top ends of two connecting plates 240, the bottom ends of the two connecting plates 240 are respectively rotatably connected to two third connecting shafts 250, the end of the clamping arm 300 is rotatably connected to the second connecting shaft 230, the middle part of the clamping arm 300 is rotatably connected to the third connecting shaft 250, and the head ends of the two clamping arms 300 are respectively attached to the two sides of the lock hole of the rear panel of the lock;

[0025] During specific use, by placing the rear panel of the lock between the two clamping arms 300, the electric push rod 200 opens and pushes the second connecting shaft 230 to move, and the second connecting shaft 230 drives one end of the clamping arm 300 to move downward. The middle part of the clamping arm 300 is limited by the connecting plate 240 and the third connecting shaft 250, and the clamping arm 300 rotates along the third connecting shaft 250, so that the other end of the clamping arm 300 is lifted to clamp the rear panel of the lock.

[0026] Embodiment 2

[0027] See also Figures 1 to 5 The utility model provides a CNC machining fixture for the rear panel of a lock. Compared with the first embodiment, the present embodiment further includes:

[0028] The front and rear ends of the bottom end of the mounting plate 100 are connected to the fixed vertical plate 110 by bolts, and the bottom ends of the two fixed vertical plates 110 are connected to the two ends of the fixed horizontal plate 120 by bolts; the mounting plate 100 and the fixed horizontal plate 120 are connected by the fixed vertical plate 110, and then the spring plate 160 is installed on the fixed horizontal plate 120.

[0029] The front end of the fixed horizontal plate 120 is provided with a receiving hole 130, and the interior of the receiving hole 130 is slidably connected with a fixing pin 140, and the fixing pin 140 is inserted into the lock hole of the rear panel of the lock; the fixing pin 140 slides in the receiving hole 130, so that the fixing pin 140 is inserted into the lock hole of the rear panel of the lock, thereby fixing the rear panel of the lock.

[0030] One end of a tensioning spring 150 is welded to the top of the fixing pin 140, and the other end of the tensioning spring 150 is welded to a spring plate 160. The spring plate 160 is connected to the top of the fixing cross plate 120 by bolts. After the fixing pin 140 moves, the tensioning spring 150 pushes the fixing pin 140 to reset via the spring plate 160.

[0031] The mounting plate 100 is provided with a mounting hole 170 , and the mounting plate 100 is connected to an external device through the mounting hole 170 ; the mounting plate 100 and the external device are connected by screwing a bolt into the mounting hole 170 .

[0032] A buckle slot 310 is provided on one side of the head end of the clamp arm 300, and the buckle slot 310 matches the lock hole of the rear panel of the lock; through the buckle slot 310, the clamp arm 300 can be attached to the outer side of the lock hole of the rear panel of the lock to fix the rear panel of the lock.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A CNC machining fixture for the rear panel of a lock. It is characterized in that include: A mounting plate (100), an electric push rod (200) and a clamping arm (300), wherein the two electric push rods (200) are respectively mounted on both sides of the bottom end of the mounting plate (100); a connecting frame (210) is mounted on one side of the bottom end of the electric push rod (200); the connecting frame (210) is movably connected to a first connecting shaft (220); an output end of the electric push rod (200) is movably connected to a second connecting shaft (230); two ends of the first connecting shaft (220) are respectively movably connected to the top ends of two connecting plates (240); the bottom ends of the two connecting plates (240) are respectively movably connected to two third connecting shafts (250); the end of the clamping arm (300) is movably connected to the second connecting shaft (230); the middle part of the clamping arm (300) is movably connected to the third connecting shaft (250); and the head ends of the two clamping arms (300) are respectively attached to both sides of the lock hole of the rear panel of the lock.

2. A CNC machining fixture for a lock rear panel according to claim 1, Features: The front end and the rear end of the bottom end of the mounting plate (100) are both installed with fixed vertical plates (110), and the bottom ends of the two fixed vertical plates (110) are connected to the two ends of the fixed horizontal plate (120).

3. A CNC machining fixture for a lock rear panel according to claim 2, Features: The front end of the fixed transverse plate (120) is provided with a receiving hole (130), the interior of the receiving hole (130) is movably connected with a fixing pin (140), and the fixing pin (140) is inserted into the lock hole of the rear panel of the lock.

4. A CNC machining fixture for a lock rear panel according to claim 3, Features: The top end of the fixing pin (140) is connected to one end of a tensioning spring (150), and the other end of the tensioning spring (150) is connected to a spring plate (160), and the spring plate (160) is installed on the top end of the fixing horizontal plate (120).

5. The CNC machining fixture for the rear panel of a lock according to claim 1, Features: The mounting plate (100) is provided with a mounting hole (170), and the mounting plate (100) is connected to external equipment via the mounting hole (170).

6. A CNC machining fixture for a lock rear panel according to claim 1, Features: A buckle groove (310) is provided on one side of the head end of the clamp arm (300), and the buckle groove (310) matches the lock hole of the rear panel of the lock.

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