CN209986083U

CN209986083U - Stamping die for notebook computer keyboard frame

Info

Publication number: CN209986083U
Application number: CN201920292995.1U
Authority: CN
Inventors: 高善广; 付春华
Original assignee: Chongqing Juheng Electronic Technology Co Ltd
Current assignee: Chongqing Juheng Electronic Technology Co Ltd
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2020-01-24
Anticipated expiration: 2029-03-08

Abstract

The utility model belongs to the technical field of notebook computer forming dies, and discloses a stamping die for a notebook computer keyboard frame, which comprises a lower template and an upper template, wherein the lower template is positioned below the upper template, the top end of the lower template is provided with two guide rods and a lower die, the two guide rods are respectively positioned at two sides of the lower die, the upper template is in sliding connection with the guide rods, the top end of the lower die is provided with a plurality of forming holes and annular cutter clamping grooves, the forming holes are positioned inside the annular cutter clamping grooves, and the two guide rods are respectively sleeved with a limit sleeve. The aim of improving the production efficiency is indirectly achieved.

Description

Stamping die for notebook computer keyboard frame

Technical Field

The utility model belongs to the technical field of the notebook computer forming die, concretely relates to a stamping die for notebook computer keyboard frame.

Background

The notebook computer in the market is assembled by a plurality of parts, and each part has different forming modes during production and processing, wherein taking a keyboard frame in the notebook as an example, the keyboard frame is made of metal materials, and the forming steps are as follows: firstly, cutting a metal plate by using a cutting device, then placing the cut forming plate in a specified punching die, punching a plurality of positioning holes on the forming plate by using the punching operation of the punching die, and finally further cutting and polishing the punched forming plate so as to form an accurate keyboard frame;

however, the cutting of the plate needs to be repeated in the forming process, so that the forming period of the keyboard frame is long, the positioning and the fixing of the metal plate cannot be effectively realized when the die is used for stamping, and if the metal plate deviates when being impacted, the forming accuracy of the whole workpiece cannot reach the specified standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stamping die for notebook computer keyboard frame to solve the current integrative operation that the stamping die that is used for keyboard frame can't effectively realize the punching press and tailor, and can't effectively realize the location and the fixing of raw materials metal sheet in stamping process.

In order to achieve the above object, the utility model provides a following technical scheme: a stamping die for a keyboard frame of a notebook computer comprises a lower die plate and an upper die plate, wherein the lower die plate is positioned below the upper die plate, guide rods and a lower die are installed at the top end of the lower die plate, the number of the guide rods is two, the two guide rods are respectively positioned on two sides of the lower die, the upper die plate is in sliding connection with the guide rods, a plurality of forming holes and annular cutter clamping grooves are formed in the top end of the lower die, the forming holes are all positioned in the annular cutter clamping grooves, limiting sleeves are sleeved on the two guide rods, the limiting sleeves are positioned between the lower die plate and the upper die plate, an upper die base is installed at the bottom end of the upper die plate, an upper die sleeve is installed at the bottom end of the upper die base, a die handle is connected in a sliding manner in the upper die base, a die handle is welded at the top end of a movable plate through a connecting clamp plate, the movable plate handle penetrates through the middle position of the upper, the utility model discloses a mould, including the mould cover, buckle and connection cardboard block, the bottom welding of movable plate has connecting rod and dead lever, the dead lever is provided with eight altogether, and eight dead levers divide into four sides of four group's evenly distributed on last die sleeve altogether, the bottom welding of dead lever has the collar, the collar is the loop configuration, and the collar cover locates on the outer wall of last die sleeve, the bottom welding of collar has annular cutter, the cutter is connected with card knife groove block, the inside sliding connection who goes up the die sleeve has last mould, the top of going up the mould is connected with the bottom of connecting rod, and the bottom of going up the mould is provided with a plurality of shaping drift, a plurality of the shaping drift runs through the bottom of last die sleeve, and a plurality of shaping drift is connected with a plurality of shaping hole block respectively.

Preferably, the positioning columns are welded at positions, located on two sides of the upper die sleeve, of the bottom end of the upper die base, two positioning holes are symmetrically formed in the lower die, and the two positioning holes are connected with the two positioning columns in a clamping mode respectively.

Preferably, guide sleeves penetrate through positions, located on two sides of the upper die base, in the upper die plate, and the two guide sleeves are respectively sleeved on the two guide rods.

Preferably, the bottom end of the moving plate is located between the two connecting rods and the fixed rod, and is welded with a first spring, and the movable end of the first spring is connected with the inner wall of the upper die holder.

Preferably, each fixing rod is sleeved with a second spring, and two ends of each second spring are respectively connected with the upper die base and the mounting ring.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model is provided with the movable plate, the connecting rod, the fixed rod, the mounting ring and the cutter, when the keyboard frame is stamped, the cutting operation of the metal plate can be synchronously carried out by the die by utilizing the cutter, thereby greatly shortening the molding period of the keyboard frame and indirectly achieving the purpose of improving the production efficiency;

in the structure, the cutter and the forming punch are kept to move synchronously by utilizing the connection of the movable plate, the connecting rod, the fixed rod and the like, so that the synchronism of stamping operation and cutting operation is effectively ensured, the cutter is arranged on the mounting ring, the annular structure of the cutter is effectively ensured, the cutting of the keyboard frame can be completed at one time, the stability of the cutter in limiting and moving processes can be improved, and the forming precision of the whole keyboard frame is prevented from being influenced by the deviation phenomenon of the cutter in the moving process.

(2) The utility model is provided with the positioning column and the upper die sleeve, when the integral die is used for stamping, the primary positioning of the metal plate is realized by utilizing the stamping of the positioning column, thereby avoiding the offset phenomenon caused by the impact when the plate is contacted with the forming punch, and then the secondary positioning of the metal plate is realized by utilizing the upper die sleeve, thereby avoiding the offset of the plate in the cutting process, and greatly improving the positioning effect in the integral stamping process,

in addition, the position of the upper die can be limited by the arrangement of the upper die sleeve, so that the die can be effectively ensured to operate according to the sequence of positioning and stamping.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a schematic view of the positioning of the present invention;

FIG. 4 is a schematic diagram of the mold closing of the present invention;

in the figure: the forming die comprises a guide sleeve 1, an upper die base 2, a limiting sleeve 3, a positioning column 4, a guide rod 5, a positioning hole 6, a lower die 7, a lower die plate 8, a forming hole 9, a first spring 10, a connecting clamp plate 11, a die handle 12, a movable plate 13, an upper die plate 14, a forming punch 15, an upper die sleeve 16, an upper die 17, a connecting rod 18, a knife clamping groove 19, a fixing rod 20, a second spring 21, a mounting ring 22, a cutter 23 and a buckle 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a stamping die for a keyboard frame of a notebook computer comprises a lower template 8 and an upper template 14, wherein the lower template 8 is positioned below the upper template 14, guide rods 5 and a lower die 7 are installed at the top end of the lower template 8, the number of the guide rods 5 is two, the two guide rods 5 are respectively positioned at two sides of the lower die 7, and the upper template 14 is in sliding connection with the guide rods 5;

the top end of the lower die 7 is provided with a plurality of forming holes 9 and annular cutter clamping grooves 19, the forming holes 9 are all located inside the annular cutter clamping grooves 19, the forming holes 9 and the cutter clamping grooves 19 can penetrate through the lower die 7 and the lower die plate 8, and the forming holes 9 and the cutter clamping grooves 19 are used for clamping the forming punch 15 and the cutter 23 respectively in the punching operation, so that the positioning accuracy of all structures is guaranteed on one hand, and the waste materials are contained or led out on the other hand;

the two guide rods 5 are sleeved with the limiting sleeves 3, the limiting sleeves 3 are positioned between the lower template 8 and the upper template 14, the moving distance of the upper die sleeve 16 is limited by the arrangement of the two limiting sleeves 3, the upper die sleeve 16 can be ensured to stably fix the metal raw material plate on the top end of the upper die 17, and meanwhile, the die is limited by the limiting sleeves 3 at the position to rotate from a positioning state to a punching state, so that the punching operation is effectively completed;

the bottom end of an upper template 14 is provided with an upper template 2, the bottom end of the upper template 2 is provided with an upper template sleeve 16, the arrangement of the upper template sleeve 16 is utilized to effectively realize the fixation of a metal raw material plate during stamping and cutting of the die, thereby avoiding the occurrence of offset phenomenon and greatly improving the forming precision of a product, the interior of the upper template 2 is slidably connected with a movable plate 13, the top end of the movable plate 13 is welded with a template handle 12 through a connecting template 11, the template handle 12 penetrates through the middle position of the upper template 14, the positions of the bottom end of the upper template 14 at the two sides of the template handle 12 are respectively provided with a buckle 24, the buckles 24 are connected with the connecting template 11 in a clamping way, the bottom end of the movable plate 13 is welded with a connecting rod 18 and fixed rods 20, the fixed rods 20 are totally eight, the eight fixed rods 20 are totally divided into four groups and evenly distributed at the four, the collar 22 is the loop configuration, and collar 22 cover is located on the outer wall of die sleeve 16, the bottom welding of collar 22 has annular cutter 23, cutter 23 is connected with the 19 block of card sword groove, the inside sliding connection who goes up die sleeve 16 has last mould 17, the top of going up mould 17 is connected with the bottom of connecting rod 18, and the bottom of going up mould 17 is provided with a plurality of shaping drift 15, a plurality of shaping drift 15 runs through the bottom of die sleeve 16, and a plurality of shaping drift 15 is connected with a plurality of shaping hole 9 block respectively, utilize being connected of movable plate 13, make cutter 23 and shaping drift 15 form synchronous movement, thereby guarantee that whole mould can accomplish keyboard frame's punching press and tailor in step, keyboard frame's shaping efficiency has been improved greatly.

In order to further improve the positioning effect of the mold on the raw material plate, in this embodiment, preferably, the positioning columns 4 are welded at the positions, located at the two sides of the upper mold sleeve 16, at the bottom end of the upper mold base 2, two positioning holes 6 are symmetrically formed in the lower mold 7, and the two positioning holes 6 are respectively connected with the two positioning columns 4 in a clamping manner.

In order to improve the sensitivity of the upper mold plate 14 when moving between the guide rods 5, in the embodiment, preferably, guide sleeves 1 penetrate through positions of the upper mold plate 14 located at two sides of the upper mold base 2, and the two guide sleeves 1 are respectively sleeved on the two guide rods 5.

In order to improve the upward force of the connecting clamping plate 11 and the moving plate 13, in this embodiment, preferably, the first springs 10 are welded to the bottom end of the moving plate 13 between the two connecting rods 18 and the fixed rod 20, and the movable ends of the first springs 10 are connected with the inner wall of the upper die base 2.

In order to facilitate effective resetting of the mounting ring 22, in this embodiment, preferably, each fixing rod 20 is sleeved with a second spring 21, and two ends of the second spring 21 are respectively connected with the upper die base 2 and the mounting ring 22.

The utility model discloses a theory of operation and use flow: when the utility model is used, as shown in fig. 1, at this time, the whole mold is in a mold opening state, a raw material metal plate of the keyboard frame is placed on the top end of a lower mold 7, then an upper mold plate 14 is pushed downwards through a mold handle 12 (the mold handle 12 is connected with equipment such as a hydraulic cylinder and the like to realize automatic movement), the upper mold plate 14 moves downwards along a guide rod 5 through the limitation of a guide sleeve 1, so that a positioning column 4 gradually approaches to the raw material metal plate and punches the raw material metal plate, and then is clamped inside a positioning hole 6 to complete the primary limitation of the position of the raw material metal plate, the guide sleeve 1 gradually approaches to a limiting sleeve 3 along with the downward movement of the upper mold plate 14, and an upper mold sleeve 16 also gradually approaches to the;

in the process, the connecting clamping plate 11 is tightly attached to the bottom end of the upper template 14 and clamped with the buckle 24 through the elastic support of the first spring 10 and the second spring 21, so that the effective connection between the connecting clamping plate 11 and the upper template 14 is ensured, and the upper template 14 is in a movable state, so that the upper template 14 can be smoothly driven to move by the mold handle 12 when pushed, and the position of the moving plate 13 is not influenced;

as shown in fig. 3, namely, the bottom end of the guide sleeve 1 and the top end of the limiting sleeve 3 form a limit, at this time, the whole die is in a locating state, including a primary limit formed by the locating column 4 and a secondary limit formed when the upper die sleeve 16 compresses the raw metal plate, in this state, the die shank 12 is pushed continuously, and the entire die is changed from the positioning state to the punching state, and at this time, because the upper die plate 14 cannot move due to the limitation of the stop sleeve 3, the thrust force applied to the die shank 12 acts on the connecting clamping plate 11, so that the connecting clamping plate 11 is separated from the buckle 24, and simultaneously, the moving plate 13 is pushed, while the moving plate 13 pushes the lower mold 7 and the mounting ring 22 to move respectively through the connecting rod 18 and the fixed rod 20, a punching and cutting operation whereby the forming punch 15 and the cutter 23 are gradually pressed against the raw material metal sheet to form the raw material metal sheet;

as shown in fig. 4, the die shank 12 is pushed down to the lowest position, so as to form a die assembly state of the whole die, at this time, the cutter 23 is clamped inside the clamping groove 19 to complete cutting of the raw material metal plate, the forming punch 15 is clamped inside the forming hole 9 to complete punching of the raw material metal plate, so that the forming operation of the whole keyboard frame is completed, and in the process, the raw material metal plate after cutting and forming is still effectively positioned by the pressing of the upper die sleeve 16, so that deviation during cutting and punching is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stamping die for notebook computer keyboard frame, includes lower bolster (8) and cope match-plate pattern (14), lower bolster (8) are located the below of cope match-plate pattern (14), and guide arm (5) and lower mould (7) are installed on the top of lower bolster (8), guide arm (5) are provided with two altogether, and two guide arm (5) are located the both sides of lower mould (7) respectively, cope match-plate pattern (14) and guide arm (5) sliding connection, its characterized in that: the die comprises a lower die (7), a plurality of forming holes (9) and annular tool clamping grooves (19) are formed in the top end of the lower die (7), the forming holes (9) are all located inside the annular tool clamping grooves (19), two guide rods (5) are all sleeved with limiting sleeves (3), the limiting sleeves (3) are located between a lower die plate (8) and an upper die plate (14), an upper die base (2) is installed at the bottom end of the upper die plate (14), an upper die sleeve (16) is installed at the bottom end of the upper die base (2), a movable plate (13) is connected to the inside of the upper die base (2) in a sliding mode, a die handle (12) is welded to the top end of the movable plate (13) through a connecting clamping plate (11), the die handle (12) penetrates through the middle position of the upper die plate (14), buckles (24) are arranged at positions, located on two sides of the die handle (12), of the bottom end of the upper die plate (14), and the buckles (, the bottom end of the movable plate (13) is welded with a connecting rod (18) and fixing rods (20), the number of the fixing rods (20) is eight, the eight fixing rods (20) are divided into four groups which are uniformly distributed on four sides of an upper die sleeve (16), the bottom end of each fixing rod (20) is welded with a mounting ring (22), each mounting ring (22) is of an annular structure, each mounting ring (22) is sleeved on the outer wall of the upper die sleeve (16), an annular cutter (23) is welded at the bottom end of each mounting ring (22), each cutter (23) is connected with a cutter clamping groove (19) in a clamping mode, an upper die (17) is connected to the inner portion of the upper die sleeve (16) in a sliding mode, the top end of the upper die (17) is connected with the bottom end of the connecting rod (18), a plurality of forming punch heads (15) are arranged at the bottom end of the upper die (17), and the plurality of forming punch heads (, and a plurality of forming punches (15) are respectively connected with a plurality of forming holes (9) in a clamping way.

2. The stamping die for the keyboard frame of the notebook computer as claimed in claim 1, wherein: the die comprises an upper die base (2), positioning columns (4) are welded at positions, located on two sides of an upper die sleeve (16), of the bottom end of the upper die base (2), two positioning holes (6) are symmetrically formed in the lower die (7), and the two positioning holes (6) are connected with the two positioning columns (4) in a clamping mode respectively.

3. The stamping die for the keyboard frame of the notebook computer as claimed in claim 1, wherein: guide sleeves (1) penetrate through positions, located on two sides of the upper die base (2), in the upper die plate (14), and the two guide sleeves (1) are respectively sleeved on the two guide rods (5).

4. The stamping die for the keyboard frame of the notebook computer as claimed in claim 1, wherein: the bottom end of the moving plate (13) is positioned between the two connecting rods (18) and the fixed rod (20) and is welded with a first spring (10), and the movable end of the first spring (10) is connected with the inner wall of the upper die base (2).

5. The stamping die for the keyboard frame of the notebook computer as claimed in claim 1, wherein: every all be equipped with second spring (21) on dead lever (20), the both ends of second spring (21) are connected with upper die base (2) and collar (22) respectively.