Double-station hole milling device for producing lock cylinder

Abstract

The invention discloses a double-station hole milling device for producing a lock cylinder, which is characterized by comprising a rack, the first hole milling station is arranged on the rack and used for conducting hole milling on the first side face of the workpiece, and the first hole milling station comprises a Z-axis moving platform and a first drilling mechanism arranged at the moving end of the Z-axis moving platform; the second hole milling station is arranged on the rack and used for conducting hole milling on the second side face of the workpiece, the second side face is perpendicular to the first side face, and the second hole milling station comprises a Y-axis moving platform and a second drilling mechanism arranged at the moving end of the Y-axis moving platform; the moving device is arranged on the rack, is used for driving a workpiece to sequentially pass through the first hole milling station and the second hole milling station, and comprises an X-axis moving platform and a clamp which is arranged at the moving end of the X-axis moving platform and can clamp and fix the workpiece; the clamp comprises a clamping seat, two first clamping pieces, two second clamping pieces and a driving component.

Description

Technical Field

[0001] The invention particularly relates to a double-station milling device for producing lock cores. Background Art

[0002] The lock core adopts multiple anti-theft technologies and a variety of special-shaped anti-pullout pins to prevent technical opening. Combined with the unique pin and blade structure design, it has high security performance against technical opening. The processing of the lock core is a very complicated process, which requires the cooperation of many machines, including drilling equipment, which is used to drill holes in the lock core.

[0003] Furthermore, currently, the drilling process on different surfaces of the lock core parts needs to be carried out in two steps, and they are positioned and clamped by different fixtures respectively, which leads to low efficiency and cannot meet the needs of mass production. Summary of the invention

[0004] In view of the defects of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a double-station milling device for producing lock cylinders.

[0005] A double-station milling device for producing a lock core, comprising:

[0006] frame;

[0007] A first milling station is arranged on the frame and is used for milling a first side surface of the workpiece, and comprises a Z-axis moving platform and a first drilling mechanism arranged at a moving end of the Z-axis moving platform;

[0008] A second milling station is arranged on the frame and is used for milling a second side surface of the workpiece, and the second side surface is arranged perpendicular to the first side surface, and comprises a Y-axis moving platform and a second drilling mechanism arranged at a moving end of the Y-axis moving platform;

[0009] A moving device, which is arranged on the frame and is used to drive the workpiece to pass through the first milling station and the second milling station in sequence, and includes an X-axis moving platform and a fixture arranged at the moving end of the X-axis moving platform and capable of clamping and fixing the workpiece;

[0010] The clamp comprises a clamp seat, two first clamping members, two second clamping members and a driving member, wherein the two first clamping members are symmetrically arranged on both sides of the clamp seat and can move relatively close to or away from each other along the Y axis, the two second clamping members are symmetrically arranged on both sides of the clamp seat and can move relatively close to or away from each other along the X axis, and the driving member is arranged on the clamp seat and can drive the first clamping member and the second clamping member to move respectively.

[0011] In one embodiment, the driving component includes a first lifting seat, a second lifting seat, and a first cylinder for driving the first lifting seat to move up and down along the Z axis;

[0012] The clamp seat has a mounting cavity, the first lifting seat is movably arranged in the mounting cavity, the first lifting seat has a groove on the upper side, the two side surfaces of the groove facing the Y-axis direction are first driving inclined surfaces inclined downward toward the center thereof, the lower end of the first clamping member is provided with a first pressure inclined surface, and the first driving inclined surface is in abutment with the first pressure inclined surface in a one-to-one corresponding manner;

[0013] The second lifting seat is arranged on the first lifting seat, and the two side surfaces of the second lifting seat facing the X-axis direction are respectively second driving inclined surfaces inclined away from the center and downward, and the lower end of the second clamping member is provided with a second pressure inclined surface, and the second driving inclined surface is abutted and matched with the second pressure inclined surface in a one-to-one manner.

[0014] In one embodiment, the first lifting seat is penetrated by through holes up and down, the second lifting seat is movably arranged in the through holes up and down, and a vertical through hole is penetrated by the second lifting seat, a connecting rod is arranged on the first lifting seat, the connecting rod is movably arranged in the vertical through hole, and the connecting rod can move upward with the first lifting seat and abut against the upper end of the vertical through hole to cause the second lifting seat to move upward, and the lower end of the second lifting seat abuts against the bottom wall of the installation cavity.

[0015] In one embodiment, a screw rod and a guide rod which are vertically arranged are respectively provided on the first lifting seat, the connecting rod matching sleeve is placed between the screw rod and the guide rod, and the connecting rod is threadedly connected to the screw rod.

[0016] In one embodiment, a flap is rotatably provided on the upper end of the clamping seat, and two first clamping members are distributed on both sides of the flap, a workpiece positioning area is formed between the flap and the two first clamping members, a through groove is penetrated on the flap, two second clamping members are located in the through groove and are movably provided on the upper end of the clamping seat and can slide along the X-axis direction, a second cylinder is provided on the clamping seat, a movable rod is provided on the driving shaft of the second cylinder, a transversely arranged movable groove is penetrated on the movable rod, a vertically arranged fixed rod is provided on the lower side of the flap, a fixed shaft is provided on one side of the fixed rod, and the fixed shaft is movably provided in the movable groove.

[0017] In one embodiment, first guide shafts are spaced apart on opposite sides of the two first clamping members and are movably plugged into the clamping seat; second guide shafts are spaced apart and vertically arranged on the first lifting seat and are movably plugged into the clamping seat.

[0018] In one embodiment, a double-station milling device for producing a lock cylinder further includes:

[0019] A feeding device is arranged on a frame and is used to transport workpieces one by one into the workpiece positioning area. It includes a conveyor belt and a loading platform arranged at the output end of the conveyor belt, and a pushing mechanism arranged on the loading platform. Baffles are respectively arranged on both sides of the conveyor belt, and a conveying groove that can only allow one workpiece to pass through is formed between the two baffles.

[0020] In one embodiment, the pushing mechanism includes a third cylinder and a U-shaped pushing block arranged on the driving shaft of the third cylinder, the opening of the U-shaped pushing block is arranged opposite to the output end of the conveyor belt, and a drop port is arranged on the loading platform and above the workpiece positioning area. The U-shaped pushing block is driven by the third cylinder to move toward the drop port, so that the workpiece inside the U-shaped pushing block is output through the drop port and falls into the workpiece positioning area.

[0021] In one embodiment, a collection box with an upper opening is provided on one side of the frame and at one end of the X-axis moving platform, and the collection box can collect workpieces that fall due to the flipping of the flap.

[0022] In one embodiment, the first drilling mechanism and the second drilling mechanism have the same structure; wherein the first drilling mechanism includes a connecting seat, a motor disposed on the connecting seat, and a drill bit disposed on a motor drive shaft.

[0023] In summary, the present invention has the following beneficial effects compared with the prior art:

[0024] The present invention places the workpiece in a fixture and drives the two first clamping members and the two second clamping members to relatively displace and abut against the four sides of the workpiece through a driving component in the fixture, so as to realize the positioning, clamping and fixing of the four sides of the workpiece. Then, the fixture is driven to move through the X-axis moving platform in the moving device, so as to drive the workpiece to pass through the first milling station and the second milling station in sequence, and then the workpiece in the fixture is drilled through the first milling station and the second milling station respectively, so as to realize drilling on different sides of the workpiece, thereby improving production efficiency and meeting mass production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of a double-station milling device for producing a lock core in one embodiment of the present invention;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of a clamp in one embodiment of the present invention;

[0027] Figure 3 A top view of a clamp according to an embodiment of the present invention;

[0028] Figure 4 In one embodiment of the present invention Figure 3 AA cross-sectional structural diagram;

[0029] Figure 5 In one embodiment of the present invention Figure 3 BB cross-sectional structure diagram;

[0030] Figure 6 The present invention is a partial structural schematic diagram of a double-station milling device for producing lock cylinders in one embodiment of the present invention. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0032] like Figures 1 to 6 As shown, the embodiment of the present invention preferably provides a double-station milling device for producing lock cylinders, including: a frame 1; a first milling station, which is arranged on the frame 1, for milling a first side of a workpiece, and includes a Z-axis moving platform 2 and a first drilling mechanism 3 arranged at the moving end of the Z-axis moving platform 2; a second milling station, which is arranged on the frame 1, for milling a second side of the workpiece, and the second side is arranged perpendicular to the first side, and includes a Y-axis moving platform 4 and a second drilling mechanism 5 arranged at the moving end of the Y-axis moving platform 4; a moving device, which is arranged on the frame 1, for driving the workpiece to move according to It passes through the first milling station and the second milling station for the second time, and includes an X-axis movable platform 6 and a fixture 7 arranged at the movable end of the X-axis movable platform 6 and capable of clamping and fixing the workpiece; the fixture 7 includes a clamping seat 71, two first clamping members 72, two second clamping members 73 and a driving component 8, the two first clamping members 72 are symmetrically arranged on both sides of the clamping seat 71 and can respectively move closer to or away from each other along the Y-axis, the two second clamping members 73 are symmetrically arranged on both sides of the clamping seat 71 and can respectively move closer to or away from each other along the X-axis, and the driving component 8 is arranged on the clamping seat 71 and can respectively drive the first clamping member 72 and the second clamping member 73 to move.

[0033] By placing the workpiece in the fixture and driving it through the driving component in the fixture, the two first clamping members and the two second clamping members are relatively displaced and abut against the four sides of the workpiece to achieve the positioning, clamping and fixing of the four sides of the workpiece, and then the fixture is driven to move by the X-axis moving platform in the moving device to drive the workpiece to pass through the first milling station and the second milling station in sequence, and then the workpiece in the fixture is drilled through the first milling station and the second milling station respectively to achieve drilling on different sides of the workpiece, thereby improving production efficiency and meeting mass production needs.

[0034] Specifically, the cross-section of the lock core workpiece 121 is small at the top and large at the bottom, and the lower part of the cross-section of the workpiece 121 is arc-shaped, and the upper part is straight. A notch for installing the lock core tongue is concave on one side of the length direction of the workpiece 121. The two first clamping members are respectively moved relative to each other and abutted on the straight surface of the upper part of the workpiece 121, and the two second clamping members are located in the notch and can respectively move relative to each other and abut on both sides of the notch, thereby realizing the positioning, clamping and fixation of the workpiece 121.

[0035] Further, the driving component 8 includes a first lifting seat 81, a second lifting seat 82 and a first cylinder 83 for driving the first lifting seat 81 to move up and down along the Z axis; wherein, the clamping seat 71 has an installation cavity 84, the first lifting seat 81 is movably arranged in the installation cavity 84, the upper side of the first lifting seat 81 has a groove 85, the two side surfaces of the groove 85 facing the Y-axis direction are respectively first driving inclined surfaces 86 inclined downward toward the center thereof, the lower end of the first clamping member 72 is provided with a first pressure inclined surface 87, the first driving inclined surface 86 and the first pressure inclined surface 87 are abutted and matched in a one-to-one correspondence; the second lifting seat 82 is arranged on the first lifting seat 81, the two side surfaces of the second lifting seat 82 facing the X-axis direction are respectively second driving inclined surfaces 88 inclined downward away from the center thereof, the lower end of the second clamping member 73 is provided with a second pressure inclined surface 89, the second driving inclined surface 88 and the second pressure inclined surface 89 are abutted and matched in a one-to-one correspondence.

[0036] Specifically, the first lifting seat is driven to move upward by the first cylinder, and then the first driving inclined surface of the groove moves upward and presses against the first pressure inclined surface, so that the two first clamping members move relatively close to each other, and the two first clamping members are pressed and clamped on both sides of the workpiece, and the second lifting seat can also move upward with the upward movement of the first lifting seat, and then the second driving inclined surface of the second lifting seat moves upward and presses against the second pressure inclined surface, so that the two second clamping members are pressed and clamped on both sides of the workpiece, thereby realizing the positioning and clamping of the workpiece on four sides; conversely, when the first lifting seat is driven by the first cylinder to move downward, the workpiece is disassembled and loosened.

[0037] Furthermore, the first lifting seat 81 is penetrated by a through hole 90 up and down, the second lifting seat 82 is movably arranged in the through hole 90 up and down, and a vertical through hole 91 is penetrated on the second lifting seat 82, a connecting rod 92 is arranged on the first lifting seat 81, and the connecting rod 92 is movably arranged in the vertical through hole 91, and the connecting rod 92 can move upward with the first lifting seat 81 and abut against the upper end of the vertical through hole 91 to cause the second lifting seat 82 to move upward, and the lower end of the second lifting seat 82 abuts against the bottom wall of the installation cavity 84.

[0038] Specifically, when the first lifting seat is driven to move upward, the connecting rod can resist and cause the second lifting seat to move upward, thereby realizing the driven movement of the two first clamping members and the two second clamping members, and the connecting rod of the first lifting seat cooperates with the vertical through hole of the second lifting seat, so that after the first lifting seat is driven to move upward for a certain distance, the connecting rod resists the upper end of the vertical through hole to cause the second lifting seat to move, thereby realizing the first lifting seat and the second lifting seat being driven to move in sequence, and realizing the first clamping member and the second clamping member being driven in sequence.

[0039] Furthermore, the first lifting seat 81 is provided with a screw rod 93 and a guide rod 94 which are arranged vertically, the connecting rod 92 is sleeved between the screw rod 93 and the guide rod 94, and the connecting rod 92 is threadedly connected with the screw rod 93. Specifically, the screw rod is used to adjust the height position of the connecting rod relative to the first lifting seat, thereby effectively avoiding the problem that a gap is left between the second clamping member and the workpiece after the first clamping member clamps the workpiece due to a processing error, and adjusting the driving spacing is achieved.

[0040] Furthermore, a flap 95 is rotatably provided on the upper end of the clamping seat 71, and two first clamping members 72 are distributed on both sides of the flap 95, and a workpiece positioning area is formed between the flap 95 and the two first clamping members 72, and a through groove 96 is provided on the flap 95, and two second clamping members 73 are located in the through groove 96 and are movably provided on the upper end of the clamping seat 71 and can slide along the X-axis direction, and a second cylinder 97 is provided on the clamping seat 71, and a movable rod 98 is provided on the driving shaft of the second cylinder 97, and a transversely arranged movable groove 100 is penetrated on the movable rod 98, and a vertically arranged fixed rod 99 is provided on the lower side of the flap 95, and a fixed shaft 101 is provided on one side of the fixed rod 99, and the fixed shaft 101 is movably provided in the movable groove 100.

[0041] Specifically, when the first clamping member and the second clamping member loosen the workpiece, the movable rod is driven upward by the second cylinder, and then the movable groove of the movable rod drives the flap to rotate upward relative to the clamp seat through the fixed shaft, causing the workpiece on the flap to flip over, thereby realizing the flip output of the workpiece in the fixture.

[0042] Furthermore, first guide shafts 74 are arranged at intervals on opposite sides of the two first clamping members 72, and the first guide shafts 74 are movably plugged into the clamping seat 71; second guide shafts 75 are arranged vertically at intervals on the first lifting seat 81, and the second guide shafts 75 are movably plugged into the clamping seat 71. The second guide shafts are used to guide the relative movement of the first clamping members.

[0043] Furthermore, it also includes: a feeding device, which is arranged on the frame 1, for conveying workpieces one by one into the workpiece positioning area, and includes a conveyor belt 11 and a loading platform 12 arranged at the output end of the conveyor belt 11, and a pushing mechanism 13 arranged on the loading platform 12, and baffles are respectively arranged on both sides of the conveyor belt 11, and a conveying groove that can only allow one workpiece to pass through is formed between the two baffles, thereby realizing the automatic conveying of workpieces one by one.

[0044] Furthermore, the pushing mechanism 13 includes a third cylinder 14 and a U-shaped pushing block 15 arranged on the driving shaft of the third cylinder 14. The opening of the U-shaped pushing block 15 is arranged opposite to the output end of the conveyor belt 11. A drop port 16 is arranged on the loading platform 12 and above the workpiece positioning area. The U-shaped pushing block 15 is driven by the third cylinder 14 to move toward the drop port 16, so that the workpiece inside the U-shaped pushing block 15 is output through the drop port 16 and falls into the workpiece positioning area.

[0045] Specifically, the fixture is driven to move by the X-axis moving platform so that the workpiece positioning area in the fixture is set corresponding to the blanking port, and the workpieces are transported one by one to the inner side of the U-shaped pusher block through the conveyor belt, and then the U-shaped pusher block is driven to move by the third cylinder to push the workpiece inside the U-shaped pusher block to the blanking port, so that the workpiece falls through the blanking port into the workpiece positioning area, realizing the automatic conveying of the workpieces one by one.

[0046] Furthermore, a collection box 17 with an upper opening is provided on one side of the frame 1 and at one end of the X-axis moving platform 6, and the collection box 17 can collect the workpieces flipped and dropped by the flap 95. Specifically, when the fixture is driven by the X-axis moving platform to move to one side of the collection box, the flap is flipped to drive the workpiece to flip and drop into the collection box for centralized collection.

[0047] Furthermore, the first drilling mechanism 3 and the second drilling mechanism 5 have the same structure; wherein the first drilling mechanism 3 includes a connecting seat 31 , a motor 32 disposed on the connecting seat 31 , and a drill bit 33 disposed on a driving shaft of the motor 32 .

[0048] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A double-station milling device for producing lock cylinders, characterized in that: include: Rack (1); A first milling station, which is arranged on the frame (1) and is used for milling a first side surface of a workpiece, and comprises a Z-axis moving platform (2) and a first drilling mechanism (3) arranged at a moving end of the Z-axis moving platform (2); A second milling station is arranged on the frame (1) and is used for milling a second side surface of the workpiece, wherein the second side surface is arranged perpendicular to the first side surface, and comprises a Y-axis movable platform (4) and a second drilling mechanism (5) arranged at a movable end of the Y-axis movable platform (4); A moving device, which is arranged on the frame (1) and is used to drive the workpiece to pass through the first milling station and the second milling station in sequence, and comprises an X-axis moving platform (6) and a fixture (7) arranged at the moving end of the X-axis moving platform (6) and capable of clamping and fixing the workpiece; The clamp (7) comprises a clamp seat (71), two first clamping members (72), two second clamping members (73) and a driving member (8), wherein the two first clamping members (72) are symmetrically arranged on both sides of the clamp seat (71) and can move relatively close to or away from each other along the Y axis, and the two second clamping members (73) are symmetrically arranged on both sides of the clamp seat (71) and can move relatively close to or away from each other along the X axis, and the driving member (8) is arranged on the clamp seat (71) and can drive the first clamping member (72) and the second clamping member (73) to move respectively.

2. A double-station milling device for producing lock cores according to claim 1, characterized in that: The driving component (8) comprises a first lifting seat (81), a second lifting seat (82) and a first cylinder (83) for driving the first lifting seat (81) to move up and down along the Z axis; The clamping seat (71) has a mounting cavity (84) therein, the first lifting seat (81) is movably arranged in the mounting cavity (84) up and down, the upper side of the first lifting seat (81) has a groove (85), the two side surfaces of the groove (85) facing the Y-axis direction are first driving inclined surfaces (86) inclined downward toward the center thereof, the lower end of the first clamping member (72) is provided with a first pressure inclined surface (87), the first driving inclined surface (86) and the first pressure inclined surface (87) are in one-to-one abutment with each other; The second lifting seat (82) is arranged on the first lifting seat (81), and the two side surfaces of the second lifting seat (82) facing the X-axis direction are respectively second driving inclined surfaces (88) inclined away from the center and downward, and the lower end of the second clamping member (73) is provided with a second pressure inclined surface (89), and the second driving inclined surface (88) and the second pressure inclined surface (89) are in one-to-one abutment with each other.

3. A double-station milling device for producing lock cores according to claim 2, characterized in that: The first lifting seat (81) is penetrated by a through hole (90) up and down, the second lifting seat (82) is movably arranged in the through hole (90) up and down, and a vertical through hole (91) is penetrated on the second lifting seat (82), a connecting rod (92) is arranged on the first lifting seat (81), the connecting rod (92) is movably arranged in the vertical through hole (91), and the connecting rod (92) can move upward with the first lifting seat (81) and abut against the upper end of the vertical through hole (91) to cause the second lifting seat (82) to move upward, and the lower end of the second lifting seat (82) abuts against the bottom wall of the installation cavity (84).

4. A double-station milling device for producing lock cores according to claim 3, characterized in that: The first lifting seat (81) is provided with a screw rod (93) and a guide rod (94) which are arranged vertically, respectively. The connecting rod (92) is sleeved between the screw rod (93) and the guide rod (94), and the connecting rod (92) is threadedly connected to the screw rod (93).

5. A double-station milling device for producing lock cores according to claim 1, characterized in that: A flap (95) is rotatably provided at the upper end of the clamp seat (71), two first clamping members (72) are distributed on both sides of the flap (95), a workpiece positioning area is formed between the flap (95) and the two first clamping members (72), a through groove (96) is provided on the flap (95), two second clamping members (73) are located in the through groove (96) and are movably provided at the upper end of the clamp seat (71) and can slide along the X-axis direction, a second cylinder (97) is provided on the clamp seat (71), a movable rod (98) is provided on the driving shaft of the second cylinder (97), a transversely arranged movable groove (100) is provided on the movable rod (98), a vertically arranged fixed rod (99) is provided on the lower side of the flap (95), a fixed shaft (101) is provided on one side of the fixed rod (99), and the fixed shaft (101) is movably provided in the movable groove (100).

6. A double-station milling device for producing lock cores according to claim 2, characterized in that: A first guide shaft (74) is arranged at intervals on opposite sides of the two first clamping members (72), and the first guide shaft (74) is movably plugged into the clamping seat (71); a second guide shaft (75) is arranged vertically at intervals on the first lifting seat (81), and the second guide shaft (75) is movably plugged into the clamping seat (71).

7. A double-station milling device for producing lock cores according to claim 5, characterized in that: Also includes: A feeding device is arranged on a frame (1) and is used to transport workpieces one by one into a workpiece positioning area. The feeding device comprises a conveyor belt (11), a loading platform (12) arranged at the output end of the conveyor belt (11), and a pushing mechanism (13) arranged on the loading platform (12). Baffles are respectively arranged on both sides of the conveyor belt (11), and a conveying groove that can only allow one workpiece to pass through is formed between the two baffles.

8. A double-station milling device for producing lock cores according to claim 7, characterized in that: The pushing mechanism (13) comprises a third cylinder (14) and a U-shaped pushing block (15) arranged on the driving shaft of the third cylinder (14); the opening of the U-shaped pushing block (15) is arranged opposite to the output end of the conveyor belt (11); a drop opening (16) is arranged on the loading platform (12) and above the workpiece positioning area; the U-shaped pushing block (15) is driven by the third cylinder (14) to move toward the drop opening (16), so that the workpiece inside the U-shaped pushing block (15) is output through the drop opening (16) and falls into the workpiece positioning area.

9. A double-station milling device for producing lock cores according to claim 5, characterized in that: A collection box (17) with an upper opening is provided on one side of the frame (1) and located at one end of the X-axis movable platform (6). The collection box (17) can collect workpieces that are flipped and dropped by the flap (95).

10. A double-station milling device for producing lock cores according to claim 1, characterized in that: The first drilling mechanism (3) and the second drilling mechanism (5) have the same structure; wherein the first drilling mechanism (3) comprises a connecting seat (31), a motor (32) arranged on the connecting seat (31), and a drill bit (33) arranged on a driving shaft of the motor (32).

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