Punching device of keyboard circuit board punching machine

Abstract

The utility model relates to the technical field of keyboard circuit board punching, and discloses a keyboard circuit board punching machine punching device which comprises a base, a fixing rod is fixedly connected to the top of the base, a fixing seat is fixedly connected to the top end of the fixing rod, and a hydraulic cylinder is fixedly connected to the top of the fixing seat. The output end of the hydraulic cylinder is fixedly connected with a first fixing block, and fixing mechanisms are arranged on the left side and the right side of the first fixing block. A circuit board is placed on the lower die base, then the hydraulic cylinder is started, the first fixing block moves downwards, the upper die base is driven to move downwards, the L-shaped block moves downwards while the first fixing block moves downwards, the inclined face part of the L-shaped block makes contact with the inclined face part of the inclined face block, and therefore the inclined face block slides in the sliding sleeve; according to the circuit board punching device, the two fixing plates are arranged, so that the two fixing plates move oppositely, the circuit board is fixed through the two fixing plates, position deviation of the circuit board during punching is prevented, and therefore the circuit board can be stably punched.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard circuit board punching, in particular to a keyboard circuit board punching machine punching device. Background Art

[0002] A keyboard circuit board, commonly referred to as a keyboard, is an electrical connection board used to connect the individual keys on the keyboard with other electronic components. It can be a single-layer, double-layer or multi-layer structure, usually made of FR-4 fiberglass material and covered with conductive paths and solder joints to facilitate the installation and connection of key switches and other components.

[0003] According to application number 202121397355.0, a printed circuit board punching machine relates to the technical field of circuit board production. The utility model includes a shell, a storage device, a supporting device, a loading and unloading device, a punching device and an alarm device. The upper surface of the cabinet is connected to the lower surface of the outer shell, and one side surface of several door panels are connected to the inner side surface of the cabinet through hinges. The lower surface of the upper material trough is connected to the upper surface of the cabinet, and the lower surface of the lower material trough is connected to the upper surface of the cabinet. The two ends of the fixing rod are respectively connected to the inner side surface of the outer shell and the outer surface of the cylinder, the one side surface of the base is connected to the inner side surface of the outer shell, and the one side surface of the base is connected to the one side surface of the radar sensor.

[0004] The device increases the automation of the equipment, reduces the scrapping of circuit boards, reduces labor costs, can timely find out that the equipment is waiting for materials, and personnel can add materials in time, which improves the working efficiency of the equipment in disguise, and can place the discarded materials in a unified manner for unified recycling and reuse. The device directly uses the punching device to punch the circuit board, and does not fix the circuit board, which may cause the circuit board to shift in position when punching. Utility Model Content

[0005] The utility model aims to provide a punching device for a keyboard circuit board punching machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching device of a keyboard circuit board punching machine, comprising a base, a fixing rod fixedly connected to the top of the base, a fixing seat fixedly connected to the top of the fixing rod, a hydraulic cylinder fixedly connected to the top of the fixing seat, a first fixing block fixedly connected to the output end of the hydraulic cylinder, a sliding rod fixedly connected to the bottom of the fixing seat, a second fixing block fixedly connected to the surface of the fixing rod, a lower die seat fixedly connected to the top of the second fixing block, fixing mechanisms are arranged on the left and right sides of the first fixing block, and a mounting mechanism is arranged at the bottom of the first fixing block;

[0007] The fixing mechanism comprises an extrusion component and a rebound component, wherein the extrusion component is arranged on the left and right sides of the first fixing block, and the rebound component is arranged inside the extrusion component;

[0008] The extrusion assembly includes an L block, which is symmetrically fixedly connected to the left and right sides of the first fixed block. The left and right sides of the top of the second fixed block are symmetrically fixedly connected with sliding sleeves. A ramp block is slidably connected inside the sliding sleeve. The ramp block is fixedly connected to a fixed plate on one side close to the lower die base.

[0009] Preferably, a hole matching the slide bar is formed on the top of the first fixing block, and the first fixing block is slidably connected to the surface of the slide bar through the hole, and the bottom end of the slide bar is fixedly connected to the second fixing block.

[0010] Preferably, the other end of the L block is a slope, and corresponds to the slope of the slope block.

[0011] Preferably, the rebound assembly includes a first connecting plate and a second connecting plate, the first connecting plate is symmetrically fixedly connected to the front and rear sides of the inclined surface block close to the inclined surface, the second connecting plate is symmetrically fixedly connected to the front and rear sides of the sliding sleeve, the first connecting plate is fixedly connected to a first guide rod on one side close to the sliding sleeve, and a first spring is sleeved on the surface of the first guide rod between the first connecting plate and the second connecting plate.

[0012] Preferably, a hole matching the first guide rod is opened on the right side of the second connecting plate, and the surface of the first guide rod passes through and is slidably connected to the hole, one end of the spring is fixedly connected to the side of the first connecting plate close to the sliding sleeve, and the other end of the spring is fixedly connected to the side of the second connecting plate close to the first connecting plate.

[0013] Preferably, the mounting mechanism includes a fixing frame, the fixing frame is fixedly connected to the bottom of the first fixing block, the fixing frame is slidably connected with a connecting block in the front-back direction, the connecting block is fixedly connected to an upper mold base at the bottom, the fixing frame is fixedly connected to a connecting frame on the right side, a sliding block is provided on the right side of the connecting frame, a pulling plate is fixedly connected to the right side of the sliding block, a third connecting plate is fixedly connected to the left side of the pulling plate, a second guide rod is symmetrically fixedly connected to the right side of the fixing frame front-to-back, a second spring is sleeved on the surface of the second guide rod between the third connecting plate and the right side of the connecting frame, a third guide rod is fixedly connected to the left side of the third connecting plate, and a fixing hole is opened on the right side of the connecting block corresponding to the left end of the third guide rod.

[0014] Preferably, a groove matching the slider is opened on the right side of the connecting frame, and the surface of the slider is slidably connected to the groove, a hole matching the second guide rod is opened on the left side of the connecting plate, and the third connecting plate is slidably connected to the surface of the second guide rod through the hole, the right end of the second guide rod is fixedly connected to the right side of the connecting frame, one end of the spring is fixedly connected to the right side of the third connecting plate, and the other end of the spring is fixedly connected to the right side of the connecting frame, a hole matching the third guide rod is opened on the right side of the fixed frame, and the surface of the third guide rod is slidably connected to the hole.

[0015] Compared with the prior art, the utility model provides a punching device for a keyboard circuit board punching machine, which has the following beneficial effects:

[0016] 1. The punching device of the keyboard circuit board punching machine places the circuit board on the lower die seat through a fixing mechanism, and then starts the hydraulic cylinder to move the first fixing block downward, thereby driving the upper die seat to move downward. The first fixing block moves downward and the L block moves downward at the same time. The inclined surface of the L block contacts the inclined surface of the inclined surface block, so that the inclined surface block slides in the sliding sleeve, so that the two fixing plates move toward each other, and the circuit board is fixed by the two fixing plates to prevent the circuit board from shifting in position during punching, so that the circuit board can be punched stably.

[0017] 2. The punching device of the keyboard circuit board punching machine pulls the pull plate through the installation mechanism to move the slider to the right, thereby driving the third connecting plate to move to the right, and further driving the left end of the third guide rod to move out of the fixed frame, and then the connecting block is slid into the fixed frame, and then the pull plate is released. The third connecting plate will move to the left through the elastic force of the second spring, so that the left end of the third guide rod will enter the fixed frame. At this time, the left end of the third guide rod will enter the fixing hole on the right side of the connecting block to fix the connecting block, thereby installing and fixing the upper die base. This method can quickly install the upper die base and effectively save installation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structural extrusion assembly of the utility model;

[0021] Figure 3 This is a schematic diagram of the structural rebound component of the utility model;

[0022] Figure 4 This is a schematic diagram of the disassembly of the structural installation mechanism of the utility model;

[0023] Figure 5 It is a right-side stereoscopic schematic diagram of the structural fixing frame of the utility model.

[0024] In the figure: 1. base; 2. fixing rod; 3. fixing seat; 4. hydraulic cylinder; 41. first fixing block; 42. sliding rod; 5. second fixing block; 51. lower die seat; 6. fixing mechanism; 61. extrusion assembly; 611. L block; 612. sliding sleeve; 613. inclined block; 614. fixing plate; 62. rebound assembly; 621. first connecting plate; 622. second connecting plate; 623. first guide rod; 624. first spring; 7. mounting mechanism; 71. fixing frame; 72. connecting block; 73. upper die seat; 74. connecting frame; 75. sliding block; 76. pulling plate; 77. third connecting plate; 78. second guide rod; 79. second spring; 711. third guide rod; 712. fixing hole. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides the following technical solutions:

[0028] Embodiment 1

[0029] See also Figure 1-3The utility model provides a technical solution: a punching device of a keyboard circuit board punching machine, comprising a base 1, a fixed rod 2 is fixedly connected to the top of the base 1, a fixed seat 3 is fixedly connected to the top of the fixed rod 2, a hydraulic cylinder 4 is fixedly connected to the top of the fixed seat 3, a first fixed block 41 is fixedly connected to the output end of the hydraulic cylinder 4, a sliding rod 42 is fixedly connected to the bottom of the fixed seat 3, a second fixed block 5 is fixedly connected to the surface of the fixed rod 2, a lower die seat 51 is fixedly connected to the top of the second fixed block 5, a fixing mechanism 6 is arranged on the left and right sides of the first fixed block 41, and a mounting mechanism 7 is arranged at the bottom of the first fixed block 41;

[0030] The fixing mechanism 6 includes an extrusion component 61 and a rebound component 62. The extrusion component 61 is arranged on the left and right sides of the first fixing block 41, and the rebound component 62 is arranged inside the extrusion component 61.

[0031] The extrusion assembly 61 includes an L block 611, which is symmetrically fixedly connected to the left and right sides of the first fixed block 41. The left and right sides of the top of the second fixed block 5 are symmetrically fixedly connected with a sliding sleeve 612. The sliding sleeve 612 is slidably connected with a ramp block 613. The ramp block 613 is fixedly connected to a fixed plate 614 on one side close to the lower die base 51.

[0032] A hole matching the slide bar 42 is formed on the top of the first fixing block 41 , and the first fixing block 41 is slidably connected to the surface of the slide bar 42 through the hole, and the bottom end of the slide bar 42 is fixedly connected to the second fixing block 5 .

[0033] The other end of the L block 611 is an inclined surface, and corresponds to the inclined surface of the inclined surface block 613 .

[0034] The rebound assembly 62 includes a first connecting plate 621 and a second connecting plate 622. The first connecting plate 621 is symmetrically fixedly connected to the front and rear sides of the inclined block 613 close to the inclined surface. The second connecting plate 622 is symmetrically fixedly connected to the front and rear sides of the sliding sleeve 612. The first connecting plate 621 is fixedly connected to the first guide rod 623 on one side close to the sliding sleeve 612. The surface of the first guide rod 623 is sleeved with a first spring 624 between the first connecting plate 621 and the second connecting plate 622.

[0035] A hole matching the first guide rod 623 is opened on the right side of the second connecting plate 622, and the surface of the first guide rod 623 passes through and is slidably connected in the hole. One end of the spring is fixedly connected to the side of the first connecting plate 621 close to the sliding sleeve 612, and the other end of the spring is fixedly connected to the side of the second connecting plate 622 close to the first connecting plate 621.

[0036] Embodiment 2

[0037] See also Figure 4-5 , and on the basis of the first embodiment, a mounting mechanism 7 is further obtained.

[0038] The mounting mechanism 7 comprises a fixing frame 71, which is fixedly connected to the bottom of the first fixing block 41, and is slidably connected to a connecting block 72 in the fixing frame, and an upper mold base 73 is fixedly connected to the bottom of the connecting block 72. A connecting frame 74 is fixedly connected to the right side of the fixing frame 71, and a slider 75 is provided on the right side of the connecting frame 74. A pull plate 76 is fixedly connected to the right side of the slider 75, and a third connecting plate 77 is fixedly connected to the left side of the pull plate 76. A second guide rod 78 is symmetrically fixedly connected to the right side of the fixing frame 71, and a second spring 79 is sleeved on the surface of the second guide rod 78 between the third connecting plate 77 and the right side of the connecting frame 74. A third guide rod 711 is fixedly connected to the left side of the third connecting plate 77, and a fixing hole 712 is provided on the right side of the connecting block 72 corresponding to the left end of the third guide rod 711.

[0039] A groove matching the slider 75 is opened on the right side of the connecting frame 74, and the surface of the slider 75 is slidably connected to the groove. A hole matching the second guide rod 78 is opened on the left side of the connecting plate, and the third connecting plate 77 is slidably connected to the surface of the second guide rod 78 through the hole. The right end of the second guide rod 78 is fixedly connected to the right side of the connecting frame 74, one end of the spring is fixedly connected to the right side of the third connecting plate 77, and the other end of the spring is fixedly connected to the right side of the connecting frame 74. A hole matching the third guide rod 711 is opened on the right side of the fixed frame 71, and the surface of the third guide rod 711 is slidably connected to the hole.

[0040] In actual operation, when the device is used, the circuit board is placed on the lower die base 51, and then the hydraulic cylinder 4 is started to move the first fixed block 41 downward, thereby driving the upper die base 73 to move downward. When the first fixed block 41 moves downward, the L block 611 moves downward, and the inclined surface of the L block 611 contacts the inclined surface of the inclined surface block 613, so that the inclined surface block 613 slides in the sliding sleeve 612, so that the two fixed plates 614 move toward each other, and the circuit board is fixed by the two fixed plates 614 to prevent the circuit board from being offset during punching, so that the circuit board can be punched stably. When the punching of the circuit board is completed, the upper die base 73 moves upward through the operation of the hydraulic cylinder 4, thereby driving the L block 611 to move upward. At this time, the fixed plate 614 and the inclined surface block 613 move toward each other in the opposite direction through the elastic force of the first spring 624, thereby releasing the fixing effect on the circuit board.

[0041] The pull plate 76 is pulled to move the slider 75 to the right, thereby driving the third connecting plate 77 to move to the right, further driving the left end of the third guide rod 711 to move out of the fixing frame 71, and then the connecting block 72 is slid into the fixing frame 71, and then the pull plate 76 is released, and the third connecting plate 77 will move to the left through the elastic force of the second spring 79, so that the left end of the third guide rod 711 will enter the fixing frame 71. At this time, the left end of the third guide rod 711 will enter the fixing hole 712 on the right side of the connecting block 72, fix the connecting block 72, and thus install and fix the upper mold base 73. This method can quickly install the upper mold base 73 and effectively save installation time.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A punching device for a keyboard circuit board punching machine, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a fixing rod (2), the top of the fixing rod (2) is fixedly connected to a fixing seat (3), the top of the fixing seat (3) is fixedly connected to a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected to a first fixing block (41), the bottom of the fixing seat (3) is fixedly connected to a sliding rod (42), the surface of the fixing rod (2) is fixedly connected to a second fixing block (5), the top of the second fixing block (5) is fixedly connected to a lower die seat (51), the left and right sides of the first fixing block (41) are provided with fixing mechanisms (6), and the bottom of the first fixing block (41) is provided with a mounting mechanism (7); The fixing mechanism (6) comprises an extrusion component (61) and a rebound component (62), wherein the extrusion component (61) is arranged on the left and right sides of the first fixing block (41), and the rebound component (62) is arranged inside the extrusion component (61); The extrusion assembly (61) comprises an L block (611), wherein the L block (611) is symmetrically fixedly connected to the left and right sides of the first fixed block (41), and the left and right sides of the top of the second fixed block (5) are symmetrically fixedly connected with a sliding sleeve (612), and a slope block (613) is slidably connected inside the sliding sleeve (612), and a fixed plate (614) is fixedly connected to the side of the slope block (613) close to the lower die base (51).

2. A punching device for a keyboard circuit board punching machine according to claim 1, characterized in that: The top of the first fixed block (41) is provided with a hole matching the slide bar (42), and the first fixed block (41) is slidably connected to the surface of the slide bar (42) through the hole, and the bottom end of the slide bar (42) is fixedly connected to the second fixed block (5).

3. A punching device for a keyboard circuit board punching machine according to claim 1, characterized in that: The other end of the L block (611) is an inclined surface, and corresponds to the inclined surface of the inclined surface block (613).

4. A punching device for a keyboard circuit board punching machine according to claim 1, characterized in that: The rebound component (62) comprises a first connecting plate (621) and a second connecting plate (622), wherein the first connecting plate (621) is symmetrically fixedly connected to the front and rear sides of the inclined surface block (613) close to the inclined surface, and the second connecting plate (622) is symmetrically fixedly connected to the front and rear sides of the sliding sleeve (612), and the first connecting plate (621) is fixedly connected to the first guide rod (623) on one side close to the sliding sleeve (612), and the first spring (624) is sleeved on the surface of the first guide rod (623) between the first connecting plate (621) and the second connecting plate (622).

5. A punching device for a keyboard circuit board punching machine according to claim 4, characterized in that: A hole matching the first guide rod (623) is provided on the right side of the second connecting plate (622), and the surface of the first guide rod (623) passes through and is slidably connected in the hole. One end of the spring is fixedly connected to a side of the first connecting plate (621) close to the sliding sleeve (612), and the other end of the spring is fixedly connected to a side of the second connecting plate (622) close to the first connecting plate (621).

6. A punching device for a keyboard circuit board punching machine according to claim 1, characterized in that: The mounting mechanism (7) comprises a fixing frame (71), wherein the fixing frame (71) is fixedly connected to the bottom of the first fixing block (41), a connecting block (72) is slidably connected to the fixing frame in the front and rear directions, an upper die seat (73) is fixedly connected to the bottom of the connecting block (72), a connecting frame (74) is fixedly connected to the right side of the fixing frame (71), a sliding block (75) is arranged on the right side of the connecting frame (74), a pulling plate (76) is fixedly connected to the right side of the sliding block (75), a third connecting plate (77) is fixedly connected to the left side of the pulling plate (76), a second guide rod (78) is symmetrically fixedly connected to the right side of the fixing frame (71), a second spring (79) is sleeved on the surface of the second guide rod (78) between the third connecting plate (77) and the right side of the connecting frame (74), a third guide rod (711) is fixedly connected to the left side of the third connecting plate (77), and a fixing hole (712) is provided on the right side of the connecting block (72) corresponding to the left end of the third guide rod (711).

7. A punching device for a keyboard circuit board punching machine according to claim 6, characterized in that: The right side of the connecting frame (74) is provided with a groove matching the slider (75), and the surface of the slider (75) is slidably connected to the groove; the left side of the connecting plate is provided with a hole matching the second guide rod (78), and the third connecting plate (77) is slidably connected to the surface of the second guide rod (78) through the hole; the right end of the second guide rod (78) is fixedly connected to the right side of the connecting frame (74); one end of the spring is fixedly connected to the right side of the third connecting plate (77), and the other end of the spring is fixedly connected to the right side of the connecting frame (74); the right side of the fixing frame (71) is provided with a hole matching the third guide rod (711), and the surface of the third guide rod (711) is slidably connected to the hole.

Images