CN112474978A

CN112474978A - Punch forming machine for producing precise hardware

Info

Publication number: CN112474978A
Application number: CN202011207942.9A
Authority: CN
Inventors: 刘旭庆
Original assignee: Maanshan Weitai Electromechanical Co ltd
Current assignee: Maanshan Weitai Electromechanical Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of hardware production, and discloses a punch forming machine for precision hardware production, which comprises a base, wherein an L-shaped supporting plate is fixedly arranged on the upper surface of the base, a hydraulic cylinder is fixedly arranged at the top of the L-shaped supporting plate, an upper die is fixedly arranged at the tail end of a piston rod of the hydraulic cylinder, a rotating plate is horizontally arranged above the base, a first rotating shaft is fixedly arranged at the center of the lower end of the rotating plate, the lower end of the first rotating shaft is rotatably connected with the upper surface of the base through a rolling bearing, a first cavity is arranged inside the base, a first motor is fixedly arranged inside the first cavity, the lower end of the first rotating shaft penetrates into the cavity and is fixedly connected with the output end of the first motor, and a plurality of lower dies which are uniformly distributed are. This stamping forming machine is used in production of accurate hardware, not only stamping efficiency is high, is convenient for take out the hardware moreover, has guaranteed staff's security.

Description

Punch forming machine for producing precise hardware

Technical Field

The invention relates to the technical field of hardware production, in particular to a punch forming machine for producing precise hardware.

Background

Hardware refers to products obtained by processing and casting metals such as gold, silver, copper, iron, tin and the like, and in the hardware manufacturing process, generally, stamping forming is adopted to manufacture the hardware.

The existing hardware stamping forming device has the processes of feeding fixation, stamping and demoulding blanking, and the efficiency of the stamping forming device is low due to the fact that the hardware can only be stamped in sequence, and a lot of time is wasted in feeding fixation and demoulding blanking.

Wherein patent number is CN210146739U, disclose an accurate hardware stamping forming device, belong to part punching press technical field, an accurate hardware stamping forming device, including the punching press platform, the punching press platform includes upper die base and die holder, the upper die base downside is equipped with heavy clamp plate, a pair of punching press pneumatic cylinder of upper die base lower extreme fixedly connected with, and fixed connection between the output of heavy clamp plate and a pair of punching press pneumatic cylinder, heavy clamp plate lower extreme has the cope match-plate pattern through screwed connection, the equal fixedly connected with in both ends extends the platform about the punching press platform, a pair of guide plate of punching press bench upper end fixedly connected with, the cope match-plate pattern downside is equipped with main lower bolster, main lower bolster right side is equipped with vice lower bolster, main lower bolster and the equal fixedly connected with pressure-bearing U type seat of vice lower.

However, in the above scheme, after the hardware is stamped, the hand of a worker needs to be stretched into the lower die to be taken out, and the phenomenon that the worker is scalded is easily caused due to the fact that the temperature of the hardware is high after the hardware is stamped. In order to carry out secondary operation, the invention provides a punch forming machine for producing precise hardware.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a punch forming machine for producing precise hardware, which not only has high punching efficiency, but also is convenient for taking out the hardware, ensures the safety of workers, and solves the problems that the hands of the workers need to stretch into the lower die to be taken out after the hardware is punched in the existing scheme, and the workers are easily scalded due to the high temperature of the hardware after being punched.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a punch forming machine for producing precise hardware comprises a base, wherein an L-shaped supporting plate is fixedly arranged on the upper surface of the base, a hydraulic cylinder is fixedly arranged at the top of the L-shaped supporting plate, an upper die is fixedly arranged at the tail end of a piston rod of the hydraulic cylinder, a rotating plate is horizontally arranged above the base, a first rotating shaft is fixedly arranged at the center of the lower end of the rotating plate, the lower end of the first rotating shaft is rotatably connected with the upper surface of the base through a rolling bearing, a first cavity is arranged in the base, a first motor is fixedly arranged in the first cavity, the lower end of the first rotating shaft penetrates into the cavity and is fixedly connected with the output end of the first motor, a plurality of lower dies which are uniformly distributed are arranged at the edge of the upper surface of the rotating plate, and fixed blocks are fixedly arranged on the upper surface of the rotating plate and on two sides of, the both sides of lower mould all through the second pivot with the lateral wall of fixed block rotates to be connected, the fixed plate that is equipped with of upper surface center department of rotor plate, it is a plurality of the lateral wall of lower mould is all fixed and is equipped with the inserted bar, the lateral wall all around of fixed plate all seted up with inserted bar matched with slot, the inside and a plurality of fixed plate the both sides of inserted bar all are equipped with the second cavity, and the inside of second cavity all be equipped with the chucking mechanism that the inserted bar joint set up, the surface of rotor plate and a plurality of the through-hole has been seted up to the below of lower mould, the upper surface of base just is located the left side of first pivot is equipped with liftout mechanism.

Preferably, the chucking mechanism includes connecting block, spring and kelly, the connecting block slide set up in the inside of second cavity, the spring fix set up in on the lateral wall of connecting block, the other end of spring with the lateral wall fixed connection of second cavity, the kelly fix set up in the lateral wall of connecting block is kept away from on one side of spring, and the other end of kelly run through extremely the inside of slot and with the inserted bar joint sets up.

Preferably, one end of the clamping rod, which is positioned in the slot, is arranged on an inclined surface.

Preferably, the liftout mechanism includes second motor, lead screw and internal thread sleeve, the second motor fixed set up in the upper surface of base, the lead screw fixed set up in the output of second motor, internal thread sleeve screw set up in the upper end of lead screw, the internal thread sleeve with the position of through-hole corresponds the setting, the telescopic both sides of internal thread all are equipped with spacing slide mechanism.

Preferably, the limiting sliding mechanism comprises a limiting sliding block and limiting sliding rods, the limiting sliding block is fixedly arranged on two sides of the cylinder wall of the internal thread sleeve, the limiting sliding rods are vertically and fixedly arranged on the upper surface of the base, the two limiting sliding rods are located on the left side and the right side of the second motor and are distributed, limiting sliding holes are formed in the side walls of the two limiting sliding blocks, and the two limiting sliding blocks are respectively in sliding connection with the rod walls of the two limiting sliding rods through the limiting sliding holes.

Preferably, the upper ends of the two limit slide bars are both fixedly provided with limit stops.

Preferably, the upper surface of the base is fixedly provided with a plurality of uniformly distributed support rods, the upper ends of the plurality of support rods are all clamped with balls, and the upper ends of the plurality of support rods are arranged in a rolling manner through the balls and the lower surface of the rotating plate.

Preferably, the number of the lower dies is at least four.

(III) advantageous effects

Compared with the prior art, the invention provides a punch forming machine for producing precise hardware, which has the following beneficial effects:

1. the punch forming machine for producing the precise hardware comprises a rotating plate, a first rotating shaft and a first motor, wherein the rotating plate, the first rotating shaft and the first motor are arranged, the first motor is started to work, the first motor can drive the first rotating shaft to rotate, the first rotating shaft can drive a plurality of lower dies on the rotating plate to rotate in an angle and sequentially move to the position under an upper die, then a hydraulic cylinder is started to extend out to work, the hydraulic cylinder drives the upper die to move downwards and match with the lower dies, so that the punch forming processing of the hardware is completed, the second motor is started to drive the lead screw to rotate, the lead screw can enable the inner threaded sleeve to move upwards and penetrate through a through hole to be abutted against the lower surface of the lower die, then the second motor continuously works and continuously pushes up, the lower die rotates around the second rotating shaft and pours out the hardware, and therefore the action of automatically taking materials is completed.

2. This stamping forming machine is used in accurate hardware production, through the inserted bar that is equipped with, the fixed plate, the connecting block, spring and kelly, when the lower mould is placed on the rotor plate, inserted bar on the lower mould can insert inside the draw-in groove on the fixed plate, because the inserted bar can extrude the kelly, make connecting block extrusion spring, thereby relative can apply the pretightning force for the inserted bar, increase the stability of lower mould on the rotor plate surface, what need emphasize here, when the internal thread sleeve pushes up the lower mould and reaches certain external force, can release the inserted bar between two kellies.

Drawings

FIG. 1 is a schematic structural diagram of a punch forming machine for producing precision hardware according to the present invention;

FIG. 2 is a schematic top view of the rotary plate of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic bottom view of the rotating plate in fig. 1.

In the figure: the device comprises a base 1, a 2L-shaped supporting plate, a hydraulic cylinder 3, an upper die 4, a rotating plate 5, a first rotating shaft 6, a first motor 7, a lower die 8, a fixed block 9, a second rotating shaft 10, an inserted rod 11, a fixed plate 12, a through hole 13, a connecting block 14, a spring 15, a clamping rod 16, a second motor 17, a screw rod 18, an internal thread sleeve 19, a limiting slide block 20, a limiting slide rod 21 and a supporting rod 22.

Detailed Description

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a punch forming machine for producing precision hardware comprises a base 1, an L-shaped support plate 2 is fixedly arranged on the upper surface of the base 1, a hydraulic cylinder 3 is fixedly arranged at the top of the L-shaped support plate 2, an upper die 4 is fixedly arranged at the end of a piston rod of the hydraulic cylinder 3, a rotating plate 5 is horizontally arranged above the base 1, a first rotating shaft 6 is fixedly arranged at the center of the lower end of the rotating plate 5, the lower end of the first rotating shaft 6 is rotatably connected with the upper surface of the base 1 through a rolling bearing, a first cavity is arranged inside the base 1, a first motor 7 is fixedly arranged inside the first cavity, the lower end of the first rotating shaft 6 penetrates into the cavity and is fixedly connected with the output end of the first motor 7, a plurality of uniformly distributed lower dies 8 are arranged at the edge of the upper surface of the rotating plate 5, and fixing blocks 9 are fixedly arranged on the upper surface, the both sides of lower mould 8 are all rotated with the lateral wall of fixed block 9 through second pivot 10 and are connected, the fixed plate 12 that is equipped with of upper surface center department of rotor plate 5, the lateral wall of a plurality of lower moulds 8 is all fixed and is equipped with inserted bar 11, the lateral wall all around of fixed plate 12 all seted up with inserted bar 11 matched with slot, the inside of fixed plate 12 and the both sides of a plurality of inserted bar 11 all are equipped with the second cavity, and the inside of second cavity all is equipped with the chucking mechanism that sets up with 11 joints of inserted bar, through-hole 13 has been seted up on the surface of rotor plate 5 and the below of a plurality of lower moulds 8, the upper surface of base 1 and the left side that is located first pivot 6 are equipped.

Chucking mechanism includes connecting block 14, spring 15 and kelly 16, and connecting block 14 slides and sets up in the inside of second cavity, and spring 15 is fixed to be set up on connecting block 14's lateral wall, and spring 15's the other end and the lateral wall fixed connection of second cavity, and kelly 16 is fixed to be set up on one side of spring 15 is kept away from to connecting block 14's lateral wall, and kelly 16's the other end run through to the inside of slot and set up with the 11 joints of inserted bar.

The end of the clamping rod 16 positioned in the slot is provided with an inclined surface.

The liftout mechanism includes second motor 17, lead screw 18 and internal thread sleeve 19, and second motor 17 is fixed to be set up in the upper surface of base 1, and lead screw 18 is fixed to be set up in the output of second motor 17, and internal thread sleeve 19 screw thread sets up in the upper end of lead screw 18, and internal thread sleeve 19 corresponds the setting with the position of through-hole 13, and internal thread sleeve 19's both sides all are equipped with spacing slide mechanism.

Spacing slide mechanism includes spacing slider 20 and spacing slide bar 21, spacing slider 20 is fixed to be set up in the section of thick bamboo wall both sides of internal thread sleeve 19, spacing slide bar 21 is vertical fixed the setting in the upper surface of base 1, and two spacing slide bars 21 are the left and right sides that is located second motor 17 and distribute the setting, spacing slide opening has all been seted up to two spacing slider 20's lateral wall, two spacing slider 20 all through spacing slide opening respectively with two spacing slide bar 21's pole wall sliding connection.

The upper ends of the two limit slide bars 21 are both fixedly provided with limit stops.

The fixed surface of base 1 is equipped with a plurality of evenly distributed's bracing piece 22, and the equal joint in upper end of a plurality of bracing pieces 22 has the ball, and the upper end of a plurality of bracing pieces 22 all rolls the setting through the lower surface of ball and rotor plate 5.

The number of the lower dies 8 is at least four.

To sum up, this stamping forming machine is used in accurate hardware production, when using, opens the work of first motor 7, and first motor 7 can drive first pivot 6 rotatory, and first pivot 6 can drive 8 angular rotation of a plurality of lower moulds on the rotor plate 5 and remove to going up mould 4 in proper order under, then opens pneumatic cylinder 3 and stretches out work, and pneumatic cylinder 3 drives and goes up mould 4 and move down and cooperate with lower mould 8 to the stamping forming processing to the hardware has been accomplished. After the punching is finished, the first motor 7 moves the punched lower die 8 out of the position right below the upper die 4, then the second motor 17 is started, the second motor 17 drives the screw rod 18 to rotate, the screw rod 18 can enable the internal thread sleeve 19 to move upwards and penetrate through the through hole 13 to be abutted and contacted with the lower surface of the lower die 8, then the second motor 17 continuously works and continuously pushes the lower die 8 upwards, the lower die 8 rotates around the second rotating shaft 10 and pours out hardware, and therefore the action of automatically taking materials is finished. When the lower die 8 is placed on the rotating plate 5, the insertion rod 11 on the lower die 8 can be inserted into the clamping groove on the fixing plate 12, and the insertion rod 11 can extrude the clamping rod 16, so that the connecting block 14 can extrude the spring 15, and a pre-tightening force can be relatively applied to the insertion rod 11, so that the stability of the lower die 8 on the surface of the rotating plate 5 is increased, and it needs to be emphasized that when the internal thread sleeve 19 pushes the lower die 8 upwards and reaches a certain external force, the insertion rod 11 can be pushed out from between the two clamping rods 16.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 production of accurate hardware is with punching machine, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly provided with an L-shaped supporting plate (2), the top of the L-shaped supporting plate (2) is fixedly provided with a hydraulic cylinder (3), the tail end of a piston rod of the hydraulic cylinder (3) is fixedly provided with an upper die (4), a rotating plate (5) is horizontally arranged above the base (1), a first rotating shaft (6) is fixedly arranged at the center of the lower end of the rotating plate (5), the lower end of the first rotating shaft (6) is rotatably connected with the upper surface of the base (1) through a rolling bearing, a first cavity is arranged inside the base (1), a first motor (7) is fixedly arranged inside the first cavity, the lower end of the first rotating shaft (6) penetrates through the inside of the cavity and is fixedly connected with the output end of the first motor (7), the edge of the upper surface of the rotating plate (5) is provided with a plurality of lower dies (8) which are uniformly distributed, the upper surface of the rotating plate (5) and two sides of the lower die (8) are both fixedly provided with fixed blocks (9), both sides of the lower die (8) are rotationally connected with the side wall of the fixed block (9) through a second rotating shaft (10), a fixed plate (12) is fixedly arranged at the center of the upper surface of the rotating plate (5), the side walls of the lower dies (8) are respectively fixedly provided with an inserted rod (11), the peripheral side wall of the fixed plate (12) is provided with slots matched with the inserted rods (11), second cavities are arranged in the fixing plate (12) and on two sides of the insert rods (11), and the inside of the second cavity is provided with a clamping mechanism which is clamped with the inserted bar (11), through holes (13) are arranged on the surface of the rotating plate (5) and below the lower dies (8), the upper surface of the base (1) is located, and a material ejecting mechanism is arranged on the left side of the first rotating shaft (6).

2. The punch forming machine for producing precise hardware according to claim 1, wherein the punch forming machine comprises: chucking mechanism includes connecting block (14), spring (15) and kelly (16), connecting block (14) slide set up in the inside of second cavity, spring (15) fixed set up in on the lateral wall of connecting block (14), the other end of spring (15) with the lateral wall fixed connection of second cavity, kelly (16) fixed set up in the lateral wall of connecting block (14) is kept away from on one side of spring (15), and the other end of kelly (16) run through to the inside of slot and with inserted bar (11) joint sets up.

3. The punch forming machine for producing precise hardware according to claim 2, wherein the punch forming machine comprises: one end of the clamping rod (16) located in the slot is arranged in an inclined plane.

4. The punch forming machine for producing precise hardware according to claim 1, wherein the punch forming machine comprises: the liftout mechanism includes second motor (17), lead screw (18) and internal thread sleeve (19), second motor (17) fixed set up in the upper surface of base (1), lead screw (18) fixed set up in the output of second motor (17), internal thread sleeve (19) screw thread set up in the upper end of lead screw (18), internal thread sleeve (19) with the position of through-hole (13) corresponds the setting, the both sides of internal thread sleeve (19) all are equipped with spacing slide mechanism.

5. The punch forming machine for producing precise hardware according to claim 4, wherein the punch forming machine comprises: the limiting sliding mechanism comprises a limiting sliding block (20) and a limiting sliding rod (21), wherein the limiting sliding block (20) is fixedly arranged on two sides of the cylinder wall of the internal thread sleeve (19), the limiting sliding rod (21) is vertically and fixedly arranged on the upper surface of the base (1), the limiting sliding rod (21) is located on the left side and the right side of the second motor (17) and is distributed, two limiting sliding holes are formed in the side wall of the limiting sliding block (20), and the limiting sliding block (20) is connected with the rod wall of the limiting sliding rod (21) in a sliding mode through the limiting sliding holes.

6. The punch forming machine for producing precise hardware according to claim 5, wherein the punch forming machine comprises: and the upper ends of the two limiting slide bars (21) are respectively and fixedly provided with a limiting stop.

7. The punch forming machine for producing precise hardware according to claim 1, wherein the punch forming machine comprises: the upper surface of the base (1) is fixedly provided with a plurality of uniformly distributed supporting rods (22), the upper ends of the supporting rods (22) are all clamped with balls, and the upper ends of the supporting rods (22) are arranged in a rolling mode through the balls and the lower surface of the rotating plate (5).

8. The punch forming machine for producing precise hardware according to claim 1, wherein the punch forming machine comprises: the number of the lower dies (8) is at least four.