CN213593515U

CN213593515U - Plastic mold blank convenient for rapidly replacing mold core

Info

Publication number: CN213593515U
Application number: CN202022202409.5U
Authority: CN
Inventors: 丁云发
Original assignee: Suzhou Industrial Park Shengshanfa Precision Machinery Co ltd
Current assignee: Suzhou Industrial Park Shengshanfa Precision Machinery Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-02
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a plastic mold blank convenient for rapidly replacing mold cores, which comprises a base, wherein a bottom plate is arranged at the upper end of the base, a fixed frame is arranged at the upper ends of two sides of the bottom plate, the top end of the fixed frame is provided with a cylinder, the lower end of the cylinder penetrates through the fixed frame to be connected with a second connecting rod, the lower end of the second connecting rod is connected with a transverse plate, first telescopic rods are arranged at two sides of the lower end of the transverse plate, a shell is arranged at the bottom of the first telescopic rods, positioning rods are arranged at the lower sides of two ends of the shell, sliding grooves are arranged on the inner walls of two sides of the fixed frame, balls are movably arranged on the sliding grooves, a placing plate is fixedly connected with one opposite side of the balls, a concave die is fixedly arranged at the upper end of the placing plate, the practicability of the device is greatly improved.

Description

Plastic mold blank convenient for rapidly replacing mold core

Technical Field

The utility model belongs to plastics mould embryo field specifically is a plastics mould embryo convenient to quick replacement mold core.

Background

The mould is used for making the tool of the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the article appearance through the change of the physical state of the shaping material, the tool makes the blank into the finished piece with specific shape and size under the action of external force, it is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting.

Among the current mould structure, every product all needs one set of corresponding mould embryo and die cavity, when changing the product, need to change one set of mould and mould plastics, and change at every turn and all need fix a position and sign indicating number mould again to each layer structure of mould, make the material cost and the die filling expense of mould all very high, traditional mold core assembly is comparatively complicated when changing, dismantle and install the dismouting that needs long-time, change efficiency is lower, current mould during operation can produce great vibrations and noise simultaneously, can reduce the life of equipment for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a plastic mold blank is provided which facilitates rapid replacement of the mold core.

The utility model adopts the technical scheme as follows: a plastic mold blank convenient for quickly replacing mold cores comprises a base, wherein a bottom plate is arranged at the upper end of the base, fixed frames are arranged at the upper ends of two sides of the bottom plate, a cylinder is arranged at the top end of each fixed frame, the lower end of the cylinder penetrates through the fixed frames to be connected with a second connecting rod, the lower end of the second connecting rod is connected with a transverse plate, first telescopic rods are arranged at two sides of the lower end of the transverse plate, a shell is arranged at the bottom of each first telescopic rod, a rotating mechanism is arranged at the middle part of the shell, positioning rods are arranged at the lower sides of two ends of the shell, sliding grooves are formed in the inner walls of two sides of each fixed frame, balls are movably arranged on the sliding grooves, a placing plate is fixedly connected to one opposite side of, and the second telescopic rod is fixedly arranged at the upper end of the bottom plate.

In a preferred embodiment, damper has been seted up to bottom plate upper end both sides, damper includes sliding block, second spout, compression spring and connecting rod, the connecting rod is installed in the both sides lower extreme of backup pad is articulated, the connecting rod lower extreme is articulated to be installed on the sliding block, the second spout has been seted up to bottom plate bottom both sides, movable mounting has the sliding block on the second spout, a lateral wall of sliding block is connected with compression spring, one side that compression spring kept away from the sliding block sets up on second spout inner wall.

In a preferred embodiment, slewing mechanism includes motor, gear housing, driving gear, first driven gear and second driven gear, the gear housing both sides are connected with the casing, the gear housing upper end is provided with the motor, the motor downside runs through gear housing and is connected with the driving gear through the dwang, driving gear left side meshing is connected with first driven gear, driving gear right side meshing is connected with second driven gear.

In a preferred embodiment, one side fixed mounting that first driven gear and second driven gear kept away from the driving gear has the threaded rod, threaded rod movable mounting is at the second bearing frame, second bearing frame fixed mounting is on shells inner wall, movable mounting has the removal seat on the threaded rod, the upside that removes the seat is provided with the second sliding block, the third spout has been seted up to one side of casing, second sliding block sliding connection is on the third spout, logical groove has been seted up to the opposite side of casing, the opposite side upper end fixedly connected with fixed plate of removal seat.

In a preferred embodiment, one side opposite to the fixed plate is provided with a fixing mechanism, the fixing mechanism comprises a spring rod, a sleeve, a connecting arm, a ball, a circular groove, a connecting plate and an installation block, one side of the connecting arm is connected with the fixed plate, the other side of the connecting arm is connected with the sleeve, one side opposite to the sleeve is movably connected with the spring rod, one side opposite to the spring rod is connected with the installation block, the ball is connected to the inside of the installation block in a rolling manner, and one side opposite to the ball is arranged in the circular groove formed in the connecting plate.

In a preferred embodiment, the lower end of the connecting plate is welded with an upper die, the lower end of the upper die is provided with a die core, the die core and the female die are located on the same horizontal line, positioning columns are arranged on two sides of the upper end of the bottom plate, and an injection molding pipe is arranged at the back end of the female die.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when going up mould and die compound die, go up the mould and can give a decurrent power of die, the die extrudees the second telescopic link downwards, then drives the sliding block and moves on the second spout, then extrudees compression spring through the sliding block, plays certain buffering guard action through the cooperation of compression spring and sliding block, has played vibration/noise reduction's effect, and locating lever and reference column can play the effect of location, have improved the effect of moulding plastics.

2. The utility model discloses in, during the motor reversal, drive the movable seat and remove to both ends, the ball separates with the circular slot, alright take out the mold core, when needs are fixed, and the motor rotates clockwise, removes the seat and to relative side motion, inserts the circular slot with the ball inside, through spring beam and sheathed tube cooperation, has improved fixed stability, has made things convenient for the mold core to dismantle and install.

Drawings

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

fig. 2 is an enlarged sectional structural view of the fixing mechanism of the present invention;

FIG. 3 is an enlarged sectional view of the damping mechanism of the present invention;

fig. 4 is an enlarged sectional structural view of the rotating mechanism of the present invention;

fig. 5 is an enlarged sectional view of the damping mechanism of the present invention.

The labels in the figure are: 1-cylinder, 2-fixed frame, 3-transverse plate, 4-first telescopic rod, 5-shell, 6-second bearing seat, 7-fixed mechanism, 71-connecting arm, 72-sleeve, 73-spring rod, 74-mounting block, 75-ball, 76-connecting plate, 77-circular groove, 8-positioning rod, 9-positioning column, 10-sliding groove, 11-bottom plate, 12-base, 13-damping mechanism, 131-second sliding groove, 132-compression spring, 133-sliding block, 134-connecting rod, 14-second telescopic rod, 15-supporting plate, 16-ball, 17-placing plate, 18-female die, 19-die core, 20-fixed plate, 21-threaded rod, 22-rotating mechanism, etc, 221-gear shell, 222-first driven gear, 223-motor, 224-driving gear, 225-second driven gear, 23-connecting rod, 24-moving seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-5, a plastic mold blank convenient for fast changing mold cores comprises a base 12, a bottom plate 11 is arranged at the upper end of the base 12, fixed frames 2 are arranged at the upper ends of two sides of the bottom plate 11, an air cylinder 1 is arranged at the top end of each fixed frame 2, a second connecting rod 23 is connected to the lower end of the air cylinder 1 in a penetrating manner and penetrates through the fixed frames 2, a transverse plate 3 is connected to the lower end of the second connecting rod 23, first telescopic rods 4 are arranged at two sides of the lower end of the transverse plate 3, a shell 5 is arranged at the bottom of each first telescopic rod 4, the connecting rods are controlled to descend through the air cylinders 1, the transverse plate 3 is driven to descend through the descending connecting rods, so that an upper mold and a mold core 19 connected at the lower end are driven to descend, the upper mold and a female mold 18 can be closed, a rotating, movable mounting has ball 16 on

spout

10, and 16 relative one side fixedly connected with of ball places board 17, places the board 17 upper end and has die 18 through fixing bolt fixed mounting, places board 17 bottom fixed mounting have backup pad 15, and backup pad 15 bottom is provided with second telescopic link 14, and second telescopic link 14 fixed mounting is in bottom plate 11 upper end, and it can give a decurrent power to die 18 to go up the mould, and die 18 extrudes second telescopic link 14 downwards, then drives sliding block 133 and moves on second spout 131.

It should be noted that, damper 13 has been seted up to bottom plate 11 upper end both sides, damper 13 includes sliding block 133, second spout 131, compression spring 132 and connecting rod 134, connecting rod 134 is installed in the articulated connecting rod 134 that installs of both sides lower extreme of backup pad 15, the articulated installing on sliding block 133 of connecting rod 134 lower extreme, second spout 131 has been seted up to bottom plate 11 bottom both sides, movable mounting has sliding block 133 on the second spout 131, a lateral wall of sliding block 133 is connected with compression spring 132, one side that compression spring 132 kept away from sliding block 133 sets up on second spout 131 inner wall, compress spring 132 through sliding block 133 extrusion, play certain buffering guard action through compression spring 132 and sliding block 133's cooperation, the effect of vibration/noise reduction has been played.

It should be noted that the rotating mechanism 22 includes a motor 223, a gear housing 221, a driving gear 224, a first driven gear 222 and a second driven gear 225, two sides of the gear housing 221 are connected to the housing 5, the motor 223 is disposed at the upper end of the gear housing 221, the lower side of the motor 223 penetrates through the gear housing 221 and is connected to the driving gear 224 through a rotating rod, the left side of the driving gear 224 is connected to the first driven gear 222 in a meshing manner, and the right side of the driving gear 224 is connected to the second driven gear 225 in a meshing manner.

It should be noted that, a threaded rod 21 is fixedly installed on one side of the first driven gear 222 and the second driven gear 225 away from the driving gear 224, the threaded rod 21 is movably installed on the second bearing block 6, the second bearing block 6 is fixedly installed on the inner wall of the casing 5, a moving seat 24 is movably installed on the threaded rod 21, a second sliding block is arranged on the upper side of the moving seat 24, a third sliding groove is opened on one side of the casing 5, the second sliding block is slidably connected to the third sliding groove, a through groove is opened on the other side of the casing 5, a fixing plate 20 is fixedly connected to the upper end of the other side of the moving seat 24, the motor 223 is powered on to drive the driving gear 224 to rotate, the driving gear 224 drives the first driven gear 222 and the second driven gear 225 to rotate, the first driven gear 222 and the second driven gear 225 drive the threaded rods, the movable base 24 is moved, so that the fixing mechanism is moved by the movable base 24.

It should be noted that, a fixing mechanism 7 is disposed on the opposite side of the fixing plate 20, the fixing mechanism 7 includes a spring rod 73, a sleeve 72, a connecting arm 71, a ball 75, a circular groove 77, a connecting plate 76 and a mounting block 74, one side of the connecting arm 71 is connected to the fixing plate 20, the other side of the connecting arm 71 is connected to the sleeve 72, the opposite side of the sleeve 72 is movably connected to the spring rod 73, the opposite side of the spring rod 73 is connected to the mounting block 74, the ball 75 is connected to the inside of the mounting block 74 in a rolling manner, the opposite side of the ball 75 is disposed in the circular groove 77 formed in the connecting plate 76, and the fixing stability is improved by the cooperation of the spring rod 73 and the sleeve 72.

It should be noted that an upper die is welded and mounted at the lower end of the connecting plate 76, a die core 19 is arranged at the lower end of the upper die, the die core 19 and the female die 18 are on the same horizontal line, positioning columns 9 are arranged on two sides of the upper end of the bottom plate 11, and an injection molding pipe is arranged at the back end of the female die 18.

The working principle is as follows: this device is when using, at first external power supply, through cylinder 1 control connecting rod decline, descend through the connecting rod, drive diaphragm 3 decline, thereby it descends to drive the last mould and the mould core 19 that the lower extreme is connected, when last mould and 18 compound dies of die, go up the mould and can give 18 decurrent power of die, 18 down extrusion second telescopic link 14 of die, then drive sliding block 133 and move on second spout 131, then extrude compression spring 132 through sliding block 133, play certain buffering guard action through compression spring 132 and sliding block 133's cooperation, shock attenuation noise reduction's effect has been played, and at the in-process of compound die, locating lever 8 and reference column 9 can play the effect of location, the effect of moulding plastics has been improved.

When mold core 19 needs to be replaced, motor 223 is powered on, drive driving gear 224 and rotate, driving gear 224 drives first driven gear 222 and second driven gear 225 and rotates, first driven gear 222 and second driven gear 225 drive the threaded rod 21 at both ends and rotate, limiting effect through third spout and second sliding block, make removal seat 24 remove, thereby drive fixed establishment through removing seat 24 and remove, when motor 223 reverses, drive and remove seat 24 and remove to both ends, ball 75 separates with circular slot 77, alright take out mold core 19, when needs are fixed, motor 223 rotates clockwise, remove seat 24 and to relative side motion, insert inside circular slot 77 with ball 75, cooperation through spring rod 73 and sleeve pipe 72, fixed stability has been improved, make things convenient for to dismantle and install mold core 19, and the practicality is greatly improved. The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a plastics mould embryo convenient to quick replacement mold core, includes base (12), its characterized in that: the improved structure is characterized in that a bottom plate (11) is arranged at the upper end of the base (12), a fixed frame (2) is arranged at the upper ends of two sides of the bottom plate (11), a cylinder (1) is arranged at the top end of the fixed frame (2), the lower end of the cylinder (1) penetrates through the fixed frame (2) and is connected with a second connecting rod (23), the lower end of the second connecting rod (23) is connected with a transverse plate (3), first telescopic rods (4) are arranged at two sides of the lower end of the transverse plate (3), a shell (5) is arranged at the bottom of the first telescopic rods (4), a rotating mechanism (22) is arranged in the middle of the shell (5), positioning rods (8) are arranged at the lower sides of two ends of the shell (5), sliding grooves (10) are formed in the inner walls of two sides of the fixed frame, place board (17) upper end and pass through fixing bolt fixed mounting have die (18), place board (17) bottom fixed mounting have backup pad (15), backup pad (15) bottom is provided with second telescopic link (14), second telescopic link (14) fixed mounting is in bottom plate (11) upper end.

2. The plastic mold blank for facilitating rapid exchange of a mold core as set forth in claim 1, wherein: damping mechanism (13) have been seted up to bottom plate (11) upper end both sides, damping mechanism (13) include sliding block (133), second spout (131), compression spring (132) and connecting rod (134), the articulated connecting rod (134) of installing of both sides lower extreme of backup pad (15), the articulated installation on sliding block (133) of connecting rod (134) lower extreme, second spout (131) have been seted up to bottom plate (11) bottom both sides, movable mounting has sliding block (133) on second spout (131), a lateral wall of sliding block (133) is connected with compression spring (132), one side that sliding block (133) were kept away from in compression spring (132) sets up on second spout (131) inner wall.

3. The plastic mold blank for facilitating rapid exchange of a mold core as set forth in claim 1, wherein: slewing mechanism (22) include motor (223), gear housing (221), driving gear (224), first driven gear (222) and second driven gear (225), gear housing (221) both sides are connected with casing (5), gear housing (221) upper end is provided with motor (223), motor (223) downside run through gear housing (221) and are connected with driving gear (224) through the dwang, driving gear (224) left side meshing is connected with first driven gear (222), driving gear (224) right side meshing is connected with second driven gear (225).

4. The plastic mold blank for facilitating rapid exchange of a mold core as set forth in claim 3, wherein: first driven gear (222) and second driven gear (225) keep away from one side fixed mounting of driving gear (224) has threaded rod (21), threaded rod (21) movable mounting is in second bearing seat (6), second bearing seat (6) fixed mounting is on casing (5) inner wall, movable mounting has removal seat (24) on threaded rod (21), the upside that removes seat (24) is provided with the second sliding block, the third spout has been seted up to one side of casing (5), second sliding block sliding connection is on the third spout, logical groove has been seted up to the opposite side of casing (5), the opposite side upper end fixedly connected with fixed plate (20) of removal seat (24).

5. The plastic mold blank for facilitating rapid exchange of a mold core as set forth in claim 4, wherein: the fixing device is characterized in that a fixing mechanism (7) is arranged on one side, opposite to the fixing plate (20), of the fixing mechanism (7) comprises a spring rod (73), a sleeve (72), a connecting arm (71), a ball (75), a circular groove (77), a connecting plate (76) and a mounting block (74), one side of the connecting arm (71) is connected with the fixing plate (20), the other side of the connecting arm (71) is connected with the sleeve (72), the spring rod (73) is movably connected to one side, opposite to the sleeve (72), of the spring rod (73), the mounting block (74) is connected with the mounting block (74), the ball (75) is connected to the inside of the mounting block (74) in a rolling mode, and the circular groove (77) formed in the connecting plate (76) is formed on one side, opposite to the ball (.

6. The plastic mold blank for facilitating rapid exchange of a mold core as set forth in claim 5, wherein: the mould is installed in connecting plate (76) lower extreme welded connection, it is provided with mold core (19) to go up the mould lower extreme, mold core (19) and die (18) are in on the same water flat line, bottom plate (11) upper end both sides are provided with reference column (9), the back end of die (18) is provided with the pipe of moulding plastics.