CN112958676A - Application of stretching nut to computer keyboard top support - Google Patents
Application of stretching nut to computer keyboard top support Download PDFInfo
- Publication number
- CN112958676A CN112958676A CN202110082792.1A CN202110082792A CN112958676A CN 112958676 A CN112958676 A CN 112958676A CN 202110082792 A CN202110082792 A CN 202110082792A CN 112958676 A CN112958676 A CN 112958676A
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- Prior art keywords
- keyboard
- nut
- stretching
- support body
- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses an application of a stretching nut to a top bracket of a computer keyboard, which comprises a keyboard bracket body and a 400T punch press body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows: s1: before the body of the 400T punching machine is started, whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not is checked, the pressure of a checking system is between 0.5 and 1.2MPa, and the pressure of a balancer is between 0.25 and 0.6 MPa. According to the invention, the stretching nut on the computer keyboard support and the support are punched and stretched into a whole, so that the adverse risks of falling off, infirm and the like of the stretching nut are avoided, the production cost of a product is reduced, the production efficiency is improved, the L-shaped movable block is driven by the servo motor to move along the strip-shaped opening, the L-shaped movable block drives the two clamping blocks to clamp and fix the keyboard support body on the material platform, and the clamping blocks of a rubber product cooperate with the hydraulic buffer to provide buffer protection for the keyboard support body.
Description
Technical Field
The invention relates to the technical field of keyboard stamping dies, in particular to application of a stretching nut to a computer keyboard top support.
Background
The keyboard is an instruction and data input device for operating equipment, and also refers to a group of function keys arranged to operate a machine or equipment through a system, the keyboard is the most common and the most main input equipment, English letters, numbers, punctuations and the like can be input into a computer through the keyboard, so as to send commands, input data and the like to the computer, the computer keyboard is developed from a typewriter keyboard, the keyboard can be divided into various types according to the number of keys on the keyboard, about 60 nuts are arranged on a top bracket of the computer keyboard, and the appearance of the keyboard is divided into a standard keyboard and an ergonomic keyboard.
The existing mode that the nut is welded on the support is adopted, the production cost is high, the efficiency is low, the nut has the bad risks that the welding is not firm and the nut easily falls off, the clamp lacks a keyboard support protective structure, and the problem is solved by the application of the stretching nut on the support at the top of the computer keyboard.
Disclosure of Invention
The invention provides an application of a stretching nut to a computer keyboard top support, which is used for solving the technical problems that the existing mode of welding the nut to the support is high in production cost and low in efficiency, the nut has the bad risks of infirm welding and easy falling, and a clamp lacks a keyboard support protection structure in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an application of tensile nut to computer keyboard top support, includes keyboard support body and 400T punch press body, be equipped with tensile nut on the top support of keyboard support body, the operating procedure as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 0.8-2.4mm, and a drawing nut is drawn to the diameter of 3.7-9.2mm and the height of 4.0-6.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die to match with the 400T punch body, wherein the stretching diameter is 2.95-3.5mm, the height is 6.0-8.0mm, and the back extrusion height of the stretching nut is 3.5-6.5 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.55-1.95 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Preferably, anchor clamps include the base, the upper end of base is equipped with puts the material platform, the base is close to the upper end on right side and is equipped with the driving piece, it is equipped with the cavity in the material platform to put, the cavity is close to the front end lateral wall setting of putting the material platform, be equipped with the bar opening on the top surface of cavity, it is equipped with shifting mechanism to run through on the right side inner wall of cavity, the driving piece is connected with shifting mechanism transmission, shifting mechanism runs through the bar opening setting, the one end that shifting mechanism is located the cavity outside is equipped with fixture.
Preferably, the driving part comprises a servo motor fixedly installed on the base and close to the upper end of the right side, a rotating shaft is fixedly connected to a driving shaft of the servo motor, a first gear is coaxially and fixedly connected to the rotating shaft, and the first gear is in transmission connection with the shifting mechanism.
Preferably, moving mechanism includes that the level rotates the dwang that runs through cavity right side inner wall setting, the dwang is located one of the outer coaxial fixedly connected with second gear of serving of cavity, first gear and second gear meshing, the dwang is located the two-way lead screw of one end fixedly connected with in the cavity, the left end of two-way lead screw is rotated with the left side inner wall of cavity and is connected, two L type movable block, two have been cup jointed to the screw thread on the two-way lead screw the lower extreme of L type movable block all with the bottom sliding connection of cavity, two the bar opening setting is all run through to the vertical section of L type movable block, fixture sets up on the relative lateral wall of two L type movable block horizontal segments.
Preferably, the bottom of the cavity is provided with a sliding chute, the sliding chute is internally and slidably connected with two sliding blocks matched with the sliding chute, and the upper ends of the two sliding blocks are respectively and fixedly connected with the lower ends of the two L-shaped movable blocks.
Preferably, fixture is including setting up the circular recess on two L type movable block horizontal segment relative lateral walls, two be relative setting between the circular recess, the bar opening setting is kept away from to the circular recess, two equal fixedly connected with hydraulic buffer on the relative inner wall of circular recess, two the equal fixedly connected with connecting rod of one end that the circular recess inner wall was kept away from to hydraulic buffer, two the equal fixedly connected with grip block of one end that L type movable block was kept away from to the connecting rod.
Preferably, two the sealing washer has all been cup jointed to the one end that the connecting rod is located the circular recess, the sealing washer is connected with the lateral wall fixed connection of L type movable block.
Preferably, the clamping block and the sealing ring are both made of rubber.
Compared with the prior art, the invention has the beneficial effects that:
1. the stretching nut on the computer keyboard support and the support are integrally stamped and stretched, so that the undesirable risks of falling, infirm and the like of the stretching nut are avoided, the production cost of a product is reduced, and the production efficiency is improved.
2. Drive L type movable block through servo motor and remove along the bar opening for L type movable block drives two grip blocks and carries out the centre gripping to the bench keyboard support body of material fixed, makes the grip block cooperation hydraulic buffer of rubber component provide the buffering protection to the keyboard support body.
Drawings
FIG. 1 is a system diagram illustrating the application of a tension nut to a top bracket of a computer keyboard according to the present invention;
FIG. 2 is a perspective view of a clamp for stretching a nut onto a top bracket of a computer keyboard according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic structural diagram of a clamping mechanism for stretching a nut onto a top bracket of a computer keyboard according to the present invention.
In the figure: the device comprises a base 1, a material placing table 2, a chamber 3, a strip-shaped opening 4, a servo motor 5, a rotating shaft 6, a first gear 7, a rotating rod 8, a second gear 9, a bidirectional screw rod 10, an L-shaped movable block 11, a sliding chute 12, a sliding block 13, a circular groove 14, a hydraulic buffer 15, a connecting rod 16, a clamping block 17 and a sealing ring 18.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The first embodiment is as follows:
referring to fig. 1, an application of a stretching nut to a top bracket of a computer keyboard comprises a keyboard bracket body and a 400T punch body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 0.8mm, and a drawing nut is drawn to the diameter of 3.7mm and the height of 4.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die to match with the 400T punch body, wherein the stretching diameter is 2.95mm, the height is 6.0mm, and the back extrusion height of the stretching nut is 3.5 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.55 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Example two:
referring to fig. 1, an application of a stretching nut to a top bracket of a computer keyboard comprises a keyboard bracket body and a 400T punch body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 1.2mm, and a drawing nut is drawn to the diameter of 3.9mm and the height of 5.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die matched with the 400T punch body, wherein the stretching diameter is 3.15mm, the height is 7.0mm, and the back extrusion height of the stretching nut is 4.5 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.65 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Example three:
referring to fig. 1, an application of a stretching nut to a top bracket of a computer keyboard comprises a keyboard bracket body and a 400T punch body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 1.6mm, and a drawing nut is drawn to the diameter of 5.5mm and the height of 5.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die matched with the 400T punch press body, wherein the stretching diameter is 3.30mm, the height is 7.0mm, and the back extrusion height of the stretching nut is 5.0 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.75 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Example four:
referring to fig. 1, an application of a stretching nut to a top bracket of a computer keyboard comprises a keyboard bracket body and a 400T punch body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 1.8mm, and a drawing nut is drawn to the diameter of 7.7mm and the height of 5.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die matched with the 400T punch press body, wherein the stretching diameter is 3.40mm, the height is 7.0mm, and the back extrusion height of the stretching nut is 5.0 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.85 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Example five:
referring to fig. 1, an application of a stretching nut to a top bracket of a computer keyboard comprises a keyboard bracket body and a 400T punch body, wherein the top bracket of the keyboard bracket body is provided with the stretching nut, and the operation steps are as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 2.4mm, and a drawing nut is drawn to the diameter of 9.2mm and the height of 6.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die matched with the 400T punch press body, wherein the stretching diameter is 3.5mm, the height is 8.0mm, and the back extrusion height of the stretching nut is 6.5 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.95 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
Referring to fig. 2-5, anchor clamps include base 1, and base 1's upper end is equipped with puts material platform 2, puts material platform 2 and is used for placing keyboard support body, and base 1 is close to the upper end on right side and is equipped with the driving piece, and the driving piece includes fixed mounting in base 1 and is close to servo motor 5 on the right side, and servo motor 5's model is: MSME-022G1, servo motor 5 are used for driving the first gear 7 rotation on the pivot 6, and fixedly connected with pivot 6 is gone up in servo motor 5's the drive shaft, and coaxial fixedly connected with first gear 7 is gone up to pivot 6, and first gear 7 is connected with the aversion mechanism transmission, puts and is equipped with cavity 3 in the material platform 2, and cavity 3 is close to the front end lateral wall setting of putting material platform 2, is equipped with bar opening 4 on cavity 3's the top surface.
A shifting mechanism is arranged on the inner wall of the right side of the cavity 3 in a penetrating manner, the driving part is in transmission connection with the shifting mechanism, the shifting mechanism is arranged in a penetrating manner through the strip-shaped opening 4, the shifting mechanism comprises a rotating rod 8 which horizontally rotates and penetrates through the inner wall of the right side of the cavity 3, one end of the rotating rod 8, which is positioned outside the cavity 3, is coaxially and fixedly connected with a second gear 9, a first gear 7 is meshed with the second gear 9, the first gear 7 rotates to drive the meshed second gear 9 to rotate, so that the second gear 9 drives the coaxially connected rotating rod 8 to rotate, and the rotating rod 8 drives a two-way lead screw 10 to rotate, so that the two-way lead screw 10 drives two L-shaped movable blocks 11 which are in threaded sleeve joint to relatively move along the strip-shaped opening 4 under the limiting effect of a sliding groove 12 and a sliding block 13, so that the two L-shaped movable blocks 11 drive, two-way lead screw 10's left end and cavity 3's left side inner wall rotate to be connected, two L type movable block 11 have been cup jointed to two-way lead screw 10 upper thread, two L type movable block 11's lower extreme all with cavity 3's bottom sliding connection, two L type movable block 11's vertical section all runs through bar opening 4 and sets up, fixture sets up on the relative lateral wall of two L type movable block 11 horizontal segments, be equipped with spout 12 on cavity 3's the bottom, sliding connection has two assorted slider 13 with it in spout 12, two slider 13's upper end respectively with two L type movable block 11's lower extreme fixed connection, when slider 13 removes in spout 12, can prevent that two-way lead screw 10 from rotating the L type movable block 11 that drives the screw thread and cup joint and rotate simultaneously, restriction L type movable block 11's moving range.
The one end that the aversion mechanism is located outside cavity 3 is equipped with fixture, and fixture is including setting up circular recess 14 on two 11 horizontal segment relative lateral walls of L type movable block, is relative setting between two circular recesses 14, and bar opening 4 settings is kept away from to circular recess 14, equal fixedly connected with hydraulic buffer 15 on two 14 relative inner walls of circular recess, and hydraulic buffer 15's model is: HYD2-60, hydraulic buffer 15 cooperates grip block 17 of rubber products to provide the buffering protection to the keyboard support body, two hydraulic buffer 15 keep away from the equal fixedly connected with connecting rod 16 of one end of circular slot 14 inner wall, the equal fixedly connected with grip block 17 of one end of L type movable block 11 is kept away from to two connecting rods 16, seal ring 18 has all been cup jointed to the one end that two connecting rods 16 are located outside circular slot 14, seal ring 18 can prevent that impurity from getting into in the circular slot 14, the lateral wall fixed connection of seal ring 18 and L type movable block 11, grip block 17 and seal ring 18 are rubber products.
In the invention, before the body of the 400T punching machine is started, whether bolts at the connecting parts of a crankshaft, a flywheel, a connecting rod and the like are loosened or not is checked, the pressure of a checking system is between 0.5 and 1.2MPa, the pressure of a checking balancer is between 0.25 and 0.6MPa, the pressure of a checking clutch is between 0.5 and 0.6MPa, the pressure of an overload is between 0.5 and 0.6MPa, the body of the keyboard bracket is placed on a material placing table 2 of the body of the 400T punching machine, a servo motor 5 is started to drive a first gear 7 on a rotating shaft 6 to rotate, so that the first gear 7 drives a meshed second gear 9 to rotate, a rotating rod 8 which is coaxially connected is driven by the second gear 9 to rotate, the rotating rod 8 drives a bidirectional screw rod 10 to rotate, at the moment, the rotating bidirectional screw rod 10 drives two L-shaped movable blocks 11 which are in threaded sleeve joint to relatively move along a strip-shaped opening 4, two L-shaped movable blocks 11 drive two clamping blocks 17 to clamp the keyboard support body, when the clamping blocks 17 are abutted against the keyboard support body, the clamping blocks 17 are stressed to drive the connecting rods 16 to move towards the circular grooves 14 and compress the hydraulic buffers 15, so that the clamping blocks 17 of the rubber product are matched with the hydraulic buffers 15 to provide buffer protection for the keyboard support body, a continuous stretching die is used for being matched with a 400T punch body to perform trimming and pre-punching of a pilot hole, the punching diameter of the pilot hole is 1.6mm, a stretching nut is stretched to the diameter of 5.8mm and the height of 5.0mm, the continuous stretching die is used for being matched with the 400T punch body to further stretch the stretching nut on the keyboard support body, the stretching diameter is 3.3mm, the height is 7.0mm, the backward extrusion height of the stretching nut is 5mm, a tapping machine is used for tapping the bottom hole of the keyboard support body, the tapping depth is 1.75cm, utilize punching die cooperation 400T punch press body to punch a hole the operation to the keyboard support body, utilize blanking die cooperation 400T punch press body to carry out the blanking operation to the keyboard support body, stretch into a whole with the support punching press with the tensile nut on the computer keyboard support, avoid tensile nut to have and drop and bad risk such as insecure, reduce the manufacturing cost of product, improve the efficiency of production.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an application of tensile nut to computer keyboard top support, includes keyboard support body and 400T punch press body, be equipped with tensile nut on the top support of keyboard support body, its characterized in that, the operating procedure as follows:
s1: before a 400T punch body is started, checking whether bolts at connecting parts such as a crankshaft, a flywheel and a connecting rod are loosened or not, checking system pressure between 0.5 and 1.2Mpa, checking balancer pressure between 0.25 and 0.6Mpa, checking clutch pressure between 0.5 and 0.6Mpa and checking overload pressure between 0.5 and 0.6Mpa, and placing the keyboard support body on a clamp of the 400T punch body for clamping and fixing;
s2: trimming and pre-punching a pilot hole on the keyboard support body by utilizing a continuous drawing die in cooperation with a 400T punch body, wherein the punching diameter of the pilot hole is 0.8-2.4mm, and a drawing nut is drawn to the diameter of 3.7-9.2mm and the height of 4.0-6.0 mm;
s3: further stretching the stretching nut on the keyboard support body by utilizing the continuous stretching die to match with the 400T punch body, wherein the stretching diameter is 2.95-3.5mm, the height is 6.0-8.0mm, and the back extrusion height of the stretching nut is 3.5-6.5 mm;
s4: tapping the bottom hole of the keyboard support body by using a tapping machine, wherein the tapping depth is 1.55-1.95 cm;
s5: the keyboard support body is punched by matching a punching die with a 400T punch press body;
s6: and the blanking die is matched with the 400T punch press body to perform blanking operation on the keyboard support body.
2. The application of the stretching nut to the top bracket of the computer keyboard as claimed in claim 1, wherein the clamp comprises a base (1), a material placing table (2) is arranged at the upper end of the base (1), a driving member is arranged at the upper end of the base (1) close to the right side, a cavity (3) is arranged in the material placing table (2), the cavity (3) is arranged close to the front end side wall of the material placing table (2), a strip-shaped opening (4) is arranged on the top surface of the cavity (3), a shifting mechanism is arranged on the inner wall of the right side of the cavity (3) in a penetrating manner, the driving member is in transmission connection with the shifting mechanism, the shifting mechanism is arranged through the strip-shaped opening (4), and a clamping mechanism is arranged at one end of the shifting mechanism, which is located outside the cavity.
3. The use of a draw nut for a computer keyboard top support according to claim 2, wherein the driving member comprises a servo motor (5) fixedly mounted on the base (1) near the upper end of the right side, a rotating shaft (6) is fixedly connected to a driving shaft of the servo motor (5), a first gear (7) is coaxially and fixedly connected to the rotating shaft (6), and the first gear (7) is in transmission connection with the shifting mechanism.
4. The application of the stretching nut to the top bracket of the computer keyboard as claimed in claim 3, wherein the moving mechanism comprises a rotating rod (8) horizontally rotating and penetrating through the inner wall of the right side of the chamber (3), the end of the rotating rod (8) outside the chamber (3) is coaxially and fixedly connected with a second gear (9), the first gear (7) is meshed with the second gear (9), one end of the rotating rod (8) inside the chamber (3) is fixedly connected with a bidirectional screw rod (10), the left end of the bidirectional screw rod (10) is rotatably connected with the inner wall of the left side of the chamber (3), two L-shaped movable blocks (11) are sleeved on the bidirectional screw rod (10) in a threaded manner, the lower ends of the two L-shaped movable blocks (11) are both slidably connected with the bottom of the chamber (3), and the vertical sections of the two L-shaped movable blocks (11) are both penetrating through the strip-shaped opening (4), the clamping mechanisms are arranged on opposite side walls of the horizontal sections of the two L-shaped movable blocks (11).
5. The application of the stretching nut to the top bracket of the computer keyboard as claimed in claim 4, wherein a sliding groove (12) is arranged at the bottom of the chamber (3), two sliding blocks (13) matched with the sliding groove (12) are connected in the sliding groove (12) in a sliding manner, and the upper ends of the two sliding blocks (13) are respectively fixedly connected with the lower ends of the two L-shaped movable blocks (11).
6. The use of a draw nut for a top bracket of a computer keyboard as claimed in claim 4, wherein said clamping mechanism comprises circular grooves (14) formed in opposite side walls of the horizontal sections of the two L-shaped movable blocks (11), two of said circular grooves (14) are disposed oppositely, said circular grooves (14) are disposed away from the bar-shaped opening (4), the opposite inner walls of the two circular grooves (14) are both fixedly connected with hydraulic buffers (15), the ends of the two hydraulic buffers (15) away from the inner walls of the circular grooves (14) are both fixedly connected with connecting rods (16), and the ends of the two connecting rods (16) away from the L-shaped movable blocks (11) are both fixedly connected with clamping blocks (17).
7. The use of the draw nut for a top bracket of a computer keyboard as claimed in claim 6, wherein the ends of the two connecting rods (16) outside the circular groove (14) are sleeved with sealing rings (18), and the sealing rings (18) are fixedly connected with the side walls of the L-shaped movable block (11).
8. Use of a stretch nut to a computer keyboard top rest according to claim 7, characterised in that the clamping block (17) and the sealing ring (18) are both rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110082792.1A CN112958676A (en) | 2021-04-08 | 2021-04-08 | Application of stretching nut to computer keyboard top support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110082792.1A CN112958676A (en) | 2021-04-08 | 2021-04-08 | Application of stretching nut to computer keyboard top support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958676A true CN112958676A (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110082792.1A Pending CN112958676A (en) | 2021-04-08 | 2021-04-08 | Application of stretching nut to computer keyboard top support |
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| Country | Link |
|---|---|
| CN (1) | CN112958676A (en) |
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