Plate clamping mechanism of lockhole machine

Abstract

The plate clamping mechanism of the lockhole machine comprises a machine frame, transverse supporting frames are fixed to the front portion and the rear portion of the top face of a top plate of the machine frame respectively, and transverse supporting beams are fixed to the upper portions of the two transverse supporting frames respectively. Lifting air cylinders are fixed to the bottom faces of the left portion and the right portion of the middle of a top plate of the rack, the top ends of push rods of the two lifting air cylinders extend out of the top face of the top plate of the rack and are fixed to the bottom face of the same lifting plate, and a conveying frame is installed on the top face of the lifting plate. According to the door plank conveying device, the door plank can be conveyed through the conveying frame, meanwhile, when the door plank is clamped and fixed, the door plank is clamped on the top face of the transverse beam, clamping is firm, and the tensioning degree and normal operation of a synchronous conveying belt of the conveying frame cannot be affected.

Description

Technical field:

[0001] The utility model relates to the technical field of woodworking equipment, and more specifically to a plate clamping mechanism of a keyhole locking machine. Background technology:

[0002] The keyhole machine is a very important equipment in woodworking machinery. It is mainly used to process wooden doors, door frames, window frames, window sash grooves, door locks, door lock steps, and door lock hinges in one go. It is used for milling and drilling slots in the shape of key holes on the plane and side of wooden doors, and can also be used for grooving and drilling in wooden furniture. It can conveniently and accurately control the processing and manufacturing requirements of door lock grooves and hinges.

[0003] However, in the existing lock hole machines, the equipment on which they are transported is generally normal horizontal transportation. After it transports the door panel to the specified position, it is directly pressed and fixed on the conveyor belt through a clamping mechanism. When clamping, it presses the bottom surface of the door panel against the top surface of the conveyor belt, making it easy for the top surface of the conveyor belt to produce mutual friction with the bottom surface of the door body, affecting the surface quality, and when pressed, it will change the tension of the conveyor belt, and the effect is not ideal. Utility model content:

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a plate clamping mechanism for a keyhole locking machine, which can convey door plates through a conveying frame. At the same time, when clamping and fixing, the door plates are clamped on the top surface of the transverse beam, and the clamping is firm and will not affect the tension and normal operation of the synchronous conveyor belt of the conveying frame.

[0005] The solution of the utility model to solve the technical problem is:

[0006] A plate clamping mechanism of a keyhole machine comprises a frame, wherein a transverse support frame is fixed to the front and rear of the top plate of the frame, and a transverse support beam is fixed to the upper part of the two transverse support frames;

[0007] The left and right bottom surfaces of the middle part of the top plate of the frame are both fixed with lifting cylinders, the top ends of the push rods of the two lifting cylinders extend out of the top surface of the top plate of the frame and are fixed to the bottom surface of the same lifting plate, and a conveying frame is installed on the top surface of the lifting plate;

[0008] Rotary pressing cylinders are installed at the middle and right sides of the outer side walls of the transverse support beams, and the pressing blocks of all the rotary pressing cylinders correspond to the top surfaces of the corresponding transverse support beams.

[0009] A plurality of vertical guide rods are fixed to the bottom surface of the lifting plate, and the vertical guide rods are inserted into corresponding through holes formed on the top plate of the frame.

[0010] A guide sleeve is fixed on the inner side wall of the through hole, and a radially extending edge is formed on the outer side wall of the bottom end of the guide sleeve, and the top surface of the radially extending edge is pressed against the bottom surface of the top plate of the frame, and the vertical guide rod is inserted into the corresponding guide sleeve, and there is a gap between the inner side wall of the guide sleeve and the outer side wall of the vertical guide rod. Since there is a gap between the inner side wall of the guide sleeve and the outer side wall of the vertical guide rod, when the push rods of the two lifting cylinders push or lift with a small time difference, when the lifting plate has a certain inclination, the vertical guide rod can still be lifted and lowered along the guide sleeve without getting stuck.

[0011] A horizontal extension plate is fixed or formed at the middle and right sides of the outer side wall of the transverse support beam, and a rotary pressing cylinder is fixed on the top surface of the horizontal extension plate.

[0012] The conveyor frame includes support legs fixed at the front and rear of the left and right parts of the top surface of the lifting plate, two inner connecting plates extending left and right are fixed to the two front supporting legs or the two rear supporting legs, a plurality of connecting blocks are fixed to the outer side wall of the inner connecting plate, the same outer connecting plate is fixed to the outer side wall of all connecting blocks of the same inner connecting plate, a transmission shaft is provided between the left and right ends of the inner connecting plate and the corresponding outer connecting plate, two ends of the transmission shaft are movably connected to the corresponding inner connecting plate and the outer connecting plate through bearings, a synchronous pulley is fixed to the middle of the transmission shaft, and the synchronous conveyor belt is tensioned on the corresponding two synchronous pulleys;

[0013] A conveying motor is fixed in the middle of the top surface of the left part of the lifting plate, and a conveying synchronous pulley is fixed on the output shaft of the conveying motor. The opposite ends of the two transmission shafts on the left extend out of the outer wall surface of the corresponding inner connecting plate and are connected to the same middle shaft extending forward and backward through a coupling, and a first synchronous pulley is fixed on the middle shaft, and the transmission synchronous belt is tensioned on the first synchronous pulley and the conveying synchronous pulley.

[0014] A plurality of intermediate guide wheels are arranged between the middle of the inner connecting plate and the corresponding outer connecting plate, the top surface of the intermediate guide wheel is pressed against the bottom surface of the corresponding upper belt body of the synchronous conveyor belt, and the outer tooth portion of the intermediate guide wheel is meshed with the tooth portion of the bottom surface of the upper belt body of the corresponding synchronous conveyor belt. The intermediate guide wheels can support and tension the upper belt body of the synchronous conveyor belt when it is running.

[0015] The beneficial effects of the utility model are:

[0016] It can transport the door panel through the conveying frame, and at the same time, when clamping and fixing, the door panel is clamped on the top surface of the transverse beam, and the clamping is firm, which will not affect the tension and normal operation of the synchronous conveyor belt of the conveying frame. Description of the drawings:

[0017] Figure 1 It is a partial structural schematic diagram of the utility model;

[0018] Figure 2 yes Figure 1 A partial enlarged view of

[0019] Figure 3 It is a partial side view of the utility model. Specific implementation method:

[0020] For example, see Figures 1 to 3 As shown, a plate clamping mechanism of a keyhole machine comprises a frame 10, a top front and a rear of a top plate of the frame 10 are fixed with transverse support frames 20, and a transverse support beam 21 is fixed to the upper part of the two transverse support frames 20;

[0021] The left and right bottom surfaces of the middle part of the top plate of the frame 10 are both fixed with lifting cylinders 11, and the top ends of the push rods of the two lifting cylinders 11 extend out of the top surface of the top plate of the frame 10 and are fixed to the bottom surface of the same lifting plate 12, and a conveying frame 30 is installed on the top surface of the lifting plate 12;

[0022] The conveying frame 30 includes supporting legs 31 fixed at the front and rear of the left and right parts of the top surface of the lifting plate 12, two inner connecting plates 32 extending left and right are fixed on the two supporting legs 31 at the front or the two supporting legs 31 at the rear, a plurality of connecting blocks 33 are fixed on the outer wall of the inner connecting plate 32, the same outer connecting plate 34 is fixed on the outer wall of all connecting blocks 33 of the same inner connecting plate 32, a transmission shaft 35 is provided between the left and right ends of the inner connecting plate 32 and the corresponding outer connecting plate 34, both ends of the transmission shaft 35 are movably connected to the corresponding inner connecting plate 32 and the outer connecting plate 34 through bearings, a synchronous pulley 36 is fixed to the middle of the transmission shaft 35, and a synchronous conveyor belt 37 is tensioned on the corresponding two synchronous pulleys 36;

[0023] A conveying motor 15 is fixed to the middle of the top surface of the left part of the lifting plate 12, and a conveying synchronous pulley 16 is fixed to the output shaft of the conveying motor 15. The opposite ends of the two transmission shafts 35 on the left extend out of the outer wall surface of the corresponding inner connecting plate 32 and are connected to the same middle shaft 1 extending forward and backward through a coupling. A first synchronous pulley 2 is fixed to the middle shaft 1, and the transmission synchronous belt 3 is tensioned on the first synchronous pulley 2 and the conveying synchronous pulley 16.

[0024] A plurality of intermediate guide wheels are provided between the middle parts of the inner connecting plate 32 and the corresponding outer connecting plate 34. The top surfaces of the intermediate guide wheels are pressed against the bottom surfaces of the upper belt bodies of the corresponding synchronous conveyor belts 37. The outer teeth of the intermediate guide wheels are meshed with the teeth of the bottom surfaces of the upper belt bodies of the corresponding synchronous conveyor belts 37.

[0025] The middle part of the intermediate guide wheel is fixed to the inner side walls of the corresponding inner connecting plate 32 and outer connecting plate 34 through the two ends of the rotating shaft movably connected by the bearing.

[0026] A horizontal extension plate 25 is fixed or formed at the middle and right sides of the outer side wall of the transverse support beam 21, and a rotary pressing cylinder 22 is fixed on the top surface of the horizontal extension plate 25. The pressing blocks 23 of all rotary pressing cylinders 22 correspond to the top surfaces of the corresponding transverse support beams 21.

[0027] Furthermore, a non-slip elastic layer 231 is fixed to the bottom surface of the end of the pressing block 23, which can increase the friction force when the pressing block 23 presses and fixes the door panel, thereby improving the pressing effect.

[0028] Furthermore, a non-slip and wear-resistant layer 24 is fixed to the top surface of the transverse support beam 21, which also increases its friction with the door panel and improves the compression and non-slip effect.

[0029] Furthermore, a plurality of vertical guide rods 13 are fixed to the bottom surface of the lifting plate 12, and the vertical guide rods 13 are inserted into corresponding through holes formed on the top plate of the frame 10, and a guide sleeve 14 is fixed on the inner side wall of the through hole, and a radially extending edge is formed on the outer side wall of the bottom end of the guide sleeve 14, and the top surface of the radially extending edge is pressed against the bottom surface of the top plate of the frame 10, and the vertical guide rods 13 are inserted into the corresponding guide sleeves 14, and there is a spacing between the inner side wall of the guide sleeve 14 and the outer side wall of the vertical guide rods 13.

[0030] Furthermore, the front and rear parts of the right part of the top plate of the frame 10 are fixed with side vertical plates 50, the upper connecting plate 51 is fixed on the top surfaces of the two side vertical plates 50, an upper limit cylinder 52 is fixed on the middle part of the top surface of the upper connecting plate 51, the bottom end of the push rod of the upper limit cylinder 52 extends out of the bottom surface of the upper connecting plate 51 and is fixed to the limit top plate 53, a plurality of upper vertical guide rods 54 are fixed on the top surface of the limit top plate 53, and the upper vertical guide rods 54 are inserted into guide sleeves fixed on the inner side wall of the guide through hole formed on the upper connecting plate 51;

[0031] The front and rear portions of the limiting top plate 53 are located above the right portion of the corresponding transverse support beam 21 .

[0032] When this structure is in use, it is pushed by the push rod of the upper limit cylinder 52, so that the front and rear bottom surfaces of the limiting top plate 53 are pressed against the top surface of the anti-slip and wear-resistant layer 24 on the right side of the two transverse support beams 21, and the right end of the subsequently transported door panel can be pressed against the left side wall of the limiting top plate 53 to achieve limiting, so that the door panel will not move to the right anymore.

[0033] When this embodiment is in use, it is installed below the tool processing component of the lock hole machine, and its right part is directly below the tool. When in use, the door panel is placed above the left part of the two synchronous conveyor belts 37. At this time, the push rods of the two lifting cylinders 11 are lifted, so that the top surface of the upper belt body of the two synchronous conveyor belts 37 is higher than the top surface of the two transverse support beams 21. The conveying motor 15 is operated to make the two synchronous conveyor belts 37 run synchronously to move the door panel to the right. When it is pressed against the limit by the left side wall of the limit top plate 53, it is sensed by the proximity switch installed in the mounting hole of the left side wall of the limit top plate 53 (the sensing end of the proximity switch does not extend out of the left end of the mounting hole), and it transmits the sensing signal to the control host, and the control host controls the output The conveying motor 15 stops running (all electrical equipment in the present embodiment is electrically connected to the control host through an electrical connection line and is controlled by the control host. It is a conventional structure and will not be described in detail here). Then, the push rods of all the lifting cylinders 11 retract, so that the lifting plate 12 descends, so that the front and rear parts of the door panel are pressed against the anti-slip and wear-resistant layer 24 on the top surface of the two transverse support beams 21 and separated from the synchronous conveyor belt 37. Then, the push rods of all the rotary clamping cylinders 22 rotate and descend, so that the anti-slip elastic layer 231 of the clamping block 23 is pressed against the top surface of the corresponding part of the door panel, clamping and fixing the door panel. Then, processing can be carried out. The clamping is firm and will not affect the synchronous conveyor belt 37 during clamping, thereby ensuring its normal use.

[0034] All pneumatic equipment and components in this embodiment are connected to the pneumatic system through connecting air pipes, and their operation is controlled by the pneumatic system. The pneumatic system is generally composed of an air pump, a control valve and an air pipe for connection. The air pump and the control valve are electrically connected to the control host through electrical connecting lines, and their operation is controlled by the control host. They are all conventional structures and will not be described in detail here.

[0035] The above implementation modes are only used to illustrate the present invention, but not to limit the present invention. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The scope of patent protection of the present invention should be limited by the claims.

Claims

1. A plate clamping mechanism for a keyhole machine, comprising a frame (10), characterized in that: Transverse support frames (20) are fixed to the front and rear of the top plate of the frame (10), and transverse support beams (21) are fixed to the upper parts of the two transverse support frames (20); A lifting cylinder (11) is fixed to the bottom surface of the left and right parts of the middle part of the top plate of the frame (10), the top ends of the push rods of the two lifting cylinders (11) extend out of the top surface of the top plate of the frame (10) and are fixed to the bottom surface of the same lifting plate (12), and a conveying frame (30) is installed on the top surface of the lifting plate (12); Rotary pressing cylinders (22) are installed at the middle and right sides of the outer side walls of the transverse support beams (21), and the pressing blocks (23) of all the rotary pressing cylinders (22) correspond to the top surfaces of the corresponding transverse support beams (21).

2. The plate clamping mechanism of the keyhole locking machine according to claim 1, characterized in that: An anti-slip elastic layer (231) is fixed to the bottom surface of the end of the pressing block (23).

3. The plate clamping mechanism of the keyhole locking machine according to claim 1, characterized in that: An anti-skid and wear-resistant layer (24) is fixed on the top surface of the transverse support beam (21).

4. The plate clamping mechanism of the keyhole locking machine according to claim 1, characterized in that: A plurality of vertical guide rods (13) are fixed to the bottom surface of the lifting plate (12), and the vertical guide rods (13) are inserted into corresponding through holes formed on the top plate of the frame (10).

5. The plate clamping mechanism of the keyhole locking machine according to claim 4, characterized in that: A guide sleeve (14) is fixed on the inner side wall of the through hole, a radial extension edge is formed on the outer side wall of the bottom end of the guide sleeve (14), the top surface of the radial extension edge is pressed against the bottom surface of the top plate of the frame (10), and the vertical guide rod (13) is inserted into the corresponding guide sleeve (14), and there is a spacing between the inner side wall of the guide sleeve (14) and the outer side wall of the vertical guide rod (13).

6. The plate clamping mechanism of a keyhole locking machine according to claim 1, characterized in that: A horizontal extension plate (25) is fixed or formed at the middle and right sides of the outer side wall of the transverse support beam (21), and a rotary pressing cylinder (22) is fixed on the top surface of the horizontal extension plate (25).

7. The plate clamping mechanism of a keyhole locking machine according to claim 1, characterized in that: The conveying frame (30) comprises supporting legs (31) fixed at the front and rear of the left and right parts of the top surface of the lifting plate (12); two inner connecting plates (32) extending left and right are fixed on the two supporting legs (31) at the front or the two supporting legs (31) at the rear; a plurality of connecting blocks (33) are fixed on the outer wall of the inner connecting plate (32); the same outer connecting plate (34) is fixed on the outer wall of all connecting blocks (33) of the same inner connecting plate (32); a transmission shaft (35) is provided between the left and right ends of the inner connecting plate (32) and the corresponding outer connecting plate (34); the two ends of the transmission shaft (35) are movably connected to the corresponding inner connecting plate (32) and the outer connecting plate (34) through bearings; a synchronous pulley (36) is fixed to the middle of the transmission shaft (35); and a synchronous conveyor belt (37) is tensioned on the corresponding two synchronous pulleys (36); A conveying motor (15) is fixed to the middle of the top surface of the left part of the lifting plate (12), and a conveying synchronous pulley (16) is fixed to the output shaft of the conveying motor (15). The opposite ends of the two transmission shafts (35) on the left side extend out of the outer wall surface of the corresponding inner connecting plate (32) and are connected to the same middle shaft (1) extending forward and backward through a coupling. A first synchronous pulley (2) is fixed to the middle shaft (1), and the transmission synchronous belt (3) is tensioned on the first synchronous pulley (2) and the conveying synchronous pulley (16).

8. The plate clamping mechanism of the keyhole locking machine according to claim 7, characterized in that: A plurality of intermediate guide wheels are provided between the middle parts of the inner connecting plate (32) and the corresponding outer connecting plate (34), the top surfaces of the intermediate guide wheels are pressed against the bottom surfaces of the upper belt bodies of the corresponding synchronous conveyor belts (37), and the outer teeth of the intermediate guide wheels are meshed with the teeth of the bottom surfaces of the upper belt bodies of the corresponding synchronous conveyor belts (37).

9. The plate clamping mechanism of the keyhole locking machine according to claim 8, characterized in that: The middle part of the intermediate guide wheel has two ends of a rotating shaft movably connected by a bearing fixed on the inner side walls of the corresponding inner connecting plate (32) and outer connecting plate (34).

10. The plate clamping mechanism of the keyhole locking machine according to claim 1, characterized in that: Side vertical plates (50) are fixed to the front and rear of the right part of the top plate of the frame (10), an upper connecting plate (51) is fixed to the top surfaces of the two side vertical plates (50), an upper limit cylinder (52) is fixed to the middle of the top surface of the upper connecting plate (51), and the bottom end of the push rod of the upper limit cylinder (52) extends out of the bottom surface of the upper connecting plate (51) and is fixed to the limit top plate (53); The front and rear parts of the limiting top plate (53) are located above the right part of the corresponding transverse support beam (21).

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