CN214773794U

CN214773794U - Mold for handle of dust collector

Info

Publication number: CN214773794U
Application number: CN202120674799.8U
Authority: CN
Inventors: 方名赟
Original assignee: Kunshan Jonah Precision Automobile Parts Co ltd
Current assignee: Kunshan Jonah Precision Automobile Parts Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-19
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a dust catcher is mould for handle relates to injection mold technical field, and its technical scheme main points are: the upper die frame and the lower die frame are respectively provided with an upper die frame and a lower die frame corresponding to positions, the upper die frame and the lower die frame corresponding to positions are respectively provided with an upper die core and a lower die core in a covering mode, a first sliding groove communicated with the die cavity is formed in the lower die frame along the circumferential direction of the die cavity, a second sliding groove, a third sliding groove and a fourth sliding groove are formed in the lower die frame, sliding blocks are connected in the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove in a sliding mode, and a first undercut demoulding assembly and a second undercut demoulding assembly used for workpiece undercut demoulding are respectively arranged on the sliding blocks located on the second sliding groove. The utility model discloses during the drawing of patterns, multiple slider and overhead kick drawing of patterns subassembly assist the drawing of patterns for the overhead kick of work piece is difficult to take place the card with the lateral wall of die cavity and dies, has improved the flexibility of drawing of patterns, thereby has improved work piece injection-molded processing's yields.

Description

Mold for handle of dust collector

Technical Field

The utility model relates to an injection mold technical field, more specifically say, it relates to a dust catcher is mould for handle.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The material of domestic dust catcher handle is plastics mostly adopted, the finished product shape that wants to make the handle with plastics just needs plastics to mould plastics, this type of plastics handle is provided with a plurality of overhead kick and structure comparatively complicacy usually, fall the realization drawing of patterns with the plastics handle top through taking off the material ejector pin from the bottom of mould cavity in the mould of prior art usually, the drawing of patterns in-process, the overhead kick of plastics handle is blocked easily to the lateral wall of cavity, cause the damage of plastics handle, the yields of plastics handle is difficult to guarantee.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a dust catcher is mould for handle, during the drawing of patterns, the drawing of patterns is assisted to multiple slider for the overhead kick of work piece is difficult to take place the card with the lateral wall of die cavity and dies, has improved the flexibility of drawing of patterns, thereby has improved the yields of work piece injection-moulded.

The above technical purpose of the present invention can be achieved by the following technical solutions: a mold for a handle of a dust collector comprises an upper base plate and a lower base plate, wherein an upper mold frame and a lower mold frame are respectively arranged at corresponding positions of the upper base plate and the lower base plate, an upper mold core and a lower mold core are respectively arranged at corresponding positions of the upper mold frame and the lower mold frame in a covering manner, the upper mold core and the lower mold core are matched to form a cavity for forming a workpiece, a through pouring hole groove communicated with the cavity is formed in the upper base plate and the upper mold frame, a plurality of thimble holes are formed in corresponding positions of the lower mold frame and the cavity, stripping thimbles are slidably connected in the thimble holes, a first sliding groove, a second sliding groove, a third sliding groove and a fourth sliding groove communicated with the cavity are respectively formed in the lower mold frame along the circumferential direction of the cavity, sliding blocks are all slidably connected in the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove, and one end, close to the cavity, of each sliding block, is fixedly connected with an auxiliary forming block for sealing the cavity, the outer side of the lower die frame located on the first sliding groove is provided with a first driving assembly used for driving a sliding block located on the first sliding groove to slide, the lower die frame is further provided with a second driving assembly used for driving a sliding block located on the second sliding groove, the third sliding groove and the fourth sliding groove to slide, and the sliding block located on the second sliding groove is respectively provided with a first barb demoulding assembly and a second barb demoulding assembly used for workpiece barb demoulding.

The utility model discloses further set up to: first overhead kick drawing of patterns subassembly and second overhead kick drawing of patterns subassembly all include the overhead kick slider and with overhead kick slider fixed connection's overhead kick ejector pin, stagger towards the die cavity on the slider and be provided with fifth spout and sixth spout, the overhead kick slider is sliding connection respectively in fifth spout and sixth spout, the overhead kick ejector pin runs through the one side that the slider stretched into the die cavity, upward be provided with on the die carrier and be used for driving the gliding linkage subassembly of overhead kick slider.

Through adopting above-mentioned technical scheme, first overhead kick drawing of patterns subassembly and second overhead kick drawing of patterns subassembly are used for the drawing of patterns of the different positions overhead kick of product respectively, drive the linkage subassembly when last die carrier breaks away from the lower die carrier and make the overhead kick ejector pin break away from the overhead kick of product, and second drive assembly drives the slider and demolds the outside simultaneously first drawing of patterns subassembly and second drawing of patterns subassembly.

The utility model discloses further set up to: the linkage assembly comprises an inclined guide post fixedly connected to the upper die frame through a connecting block, an inclined guide groove matched with the inclined guide post is formed in the inverted hook slide block, and one end, far away from the upper die frame, of the inclined guide post is connected in the inclined guide groove in a sliding mode.

By adopting the technical scheme, the oblique guide pillar only longitudinally rises, and the barb sliding block only transversely slides, so that outward transverse thrust is given to the barb sliding block when the oblique guide pillar rises, and the barb sliding block is separated from the barb of a workpiece.

The utility model discloses further set up to: and the lower die carrier is respectively fixed with a chute extension seat communicated with the first chute, the second chute, the third chute and the fourth chute.

Through adopting above-mentioned technical scheme, the spout extension seat is used for prolonging the distance that slides of slider.

The utility model discloses further set up to: the first driving assembly comprises a long-distance cylinder fixed on the sliding groove extending seat, and the output end of the long-distance cylinder is fixedly connected with the sliding block.

By adopting the technical scheme, due to the longer structural characteristic of the workpiece positioned at the first sliding groove, the long-distance cylinder can provide the telescopic distance of a larger stroke, so that the sliding block can be completely separated from the workpiece, and the workpiece is prevented from being scratched in the demolding process.

The utility model discloses further set up to: the second driving assembly comprises an L-shaped transmission rod, a limiting clamping block and a short-distance cylinder fixedly connected to the bottom of the sliding groove extension seat, one end of the L-shaped transmission rod is fixedly connected with the output end of the short-distance cylinder, the other end of the L-shaped transmission rod is fixedly connected with the sliding block, and the limiting clamping block is fixed to the sliding groove extension seat above the L-shaped transmission rod.

Through adopting above-mentioned technical scheme, through the setting of L type transfer line, the short-distance cylinder setting can reduce in the bottom of spout extension seat the utility model discloses a volume improves the utilization ratio in space.

The utility model discloses further set up to: two limit switches are arranged on the sliding groove extending seat at one end of the second sliding groove, and a trigger rod used for triggering the two limit switches to act is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, through the setting of limit switch and trigger bar, during the compound die, the slider is drawn close to the die cavity, and when moving one of them limit switch, the short-distance cylinder stop work has avoided the slider to continue to get into the shaping that the die cavity influences the work piece, and during the drawing of patterns, when the slider outwards slided and triggered another limit switch, the short-distance cylinder stopped the action, has avoided the slider to overtravel from the condition of spout extension seat landing.

To sum up, the utility model discloses following beneficial effect has: in the demolding process, the upper mold frame drives the first inverted hook demolding component and the second inverted hook demolding component to break away from the inverted hook of the workpiece when breaking away from the lower mold frame, the sliding blocks located in the first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove slide towards the direction far away from the cavity, so that the inverted hook and the side wall of the workpiece are completely demolded, the material taking-off ejector pins are convenient to eject the product, the flexibility of workpiece demolding is improved, and the yield of workpiece injection molding is improved.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic structural view of the first undercut releasing module, the second undercut releasing module and the second driving assembly of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 3.

In the figure: 1. an upper base plate; 2. feeding a mold frame; 3. a lower die frame; 31. a first chute; 32. a second chute; 33. a third chute; 34. a fourth chute; 4. a lower base plate; 5. an upper die core; 6. a lower die core; 7. pouring a hole groove; 8. a slider; 9. a first drive assembly; 10. a second drive assembly; 101. an L-shaped transmission rod; 102. a limiting clamping block; 103. a short-distance cylinder; 12. a chute extension seat; 13. a first barb demoulding component; 14. a second undercut demolding assembly; 13141. a barb slide block; 13142. a reverse hook mandril; 15. a limit switch; 16. a trigger lever.

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.

As shown in fig. 1 to 5, a mold for a handle of a dust collector comprises an upper base plate 1 and a lower base plate 4, wherein an upper mold base 2 and a lower mold base 3 are respectively arranged at corresponding positions of the upper base plate 1 and the lower base plate 4, an upper mold core 5 and a lower mold core 6 are respectively coated at corresponding positions of the upper mold base 2 and the lower mold base 3, the upper mold core 5 and the lower mold core 6 are matched to form a mold cavity for forming a workpiece, a casting hole groove 7 which penetrates through the upper base plate 1 and the upper mold base 2 and is communicated with the mold cavity is arranged on the upper base plate 1, a plurality of thimble holes are arranged at corresponding positions of the lower mold base 3 and the mold cavity, stripping thimbles are slidably connected in the thimble holes, a first chute 31, a second chute 32, a third chute 33 and a fourth chute 34 which are communicated with the mold cavity are respectively arranged on the lower mold base 3 along the circumferential direction of the mold cavity, slide blocks 8 are slidably connected in the first chute 31, the second chute 32, the third chute 33 and the fourth chute 34, the one end fixedly connected with that slider 8 is close to the die cavity is used for sealing the shaping auxiliary block of die cavity, the outside that lies in first spout 31 on the die carrier 3 down is provided with and is used for the gliding first drive assembly 9 of slider 8 of drive on being located first spout 31, still be provided with on the die carrier 3 down and be used for the gliding second drive assembly 10 of slider 8 of drive on being located second spout 32, third spout 33 and fourth spout 34, be provided with respectively on the slider 8 that lies in on second spout 32 and be used for the first overhead kick drawing of patterns subassembly 13 and the second overhead kick drawing of patterns subassembly 14 of work piece overhead kick.

On the basis, the first barb demoulding component 13 and the second barb demoulding component 14 both comprise barb sliding blocks 13141 and barb push rods 13142 fixedly connected with the barb sliding blocks 13141, the slide block 8 is provided with a fifth chute and a sixth chute in a staggered way towards the cavity, the barb slide block 13141 is respectively connected in the fifth chute and the sixth chute in a sliding way, the barb ejector rod 13142 penetrates through one side of the sliding block 8 and extends into the cavity, a linkage component for driving the barb sliding block 13141 to slide is arranged on the upper die carrier 2, the first barb demoulding component 13 and the second barb demoulding component 14 are respectively used for demoulding barbs at different positions of a product, when the upper die carrier 2 is separated from the lower die carrier 3, the linkage assembly is driven to enable the barb ejector rod 13142 to be separated from the barbs of the product, and the second driving assembly 10 drives the sliding block 8 to simultaneously demould the first barb demoulding assembly 13 and the second barb demoulding assembly 14 towards the outer side.

On the basis, the linkage assembly comprises an inclined guide post fixedly connected to the upper die frame 2 through a connecting block, an inclined guide groove matched with the inclined guide post is formed in the inverted hook sliding block 13141, one end, far away from the upper die frame 2, of the inclined guide post is slidably connected into the inclined guide groove, the inverted hook sliding block 13141 only slides transversely due to the fact that the inclined guide post only ascends longitudinally, and therefore outward transverse thrust is provided for the inverted hook sliding block 13141 when the inclined guide post ascends, and the inverted hook sliding block 13141 is separated from the inverted hook of the workpiece.

On the basis, the lower die carrier 3 is respectively fixed with a chute extension seat 12 communicated with the first chute 31, the second chute 32, the third chute 33 and the fourth chute 34, and the chute extension seat 12 is used for extending the sliding distance of the sliding block 8.

On the basis, the first driving assembly 9 comprises a long-distance cylinder fixed on the sliding groove extension seat 12, the output end of the long-distance cylinder is fixedly connected with the sliding block 8, and due to the long structural characteristic of the workpiece located at the first sliding groove 31, the long-distance cylinder can provide a large stroke telescopic distance, so that the sliding block 8 can be completely separated from the workpiece, and the workpiece is prevented from being scratched in the demolding process.

On the basis, second drive assembly 10 includes L type transfer line 101, spacing fixture block 102 and fixed connection at the short distance cylinder 103 of spout extension seat 12 bottom, the one end of L type transfer line 101 and the output fixed connection of short distance cylinder 103, the other end and the slider 8 fixed connection of L type transfer line 101, spacing fixture block 102 is fixed and is located L type transfer line 101 top on spout extension seat 12, through the setting of L type transfer line 101, short distance cylinder 103 sets up and can reduce in the bottom of spout extension seat 12 the utility model discloses a volume improves the utilization ratio in space.

On the basis, be provided with two limit switch 15 on the spout extension seat 12 that is located second spout 32 one end, fixedly connected with is used for triggering the trigger bar 16 of two limit switch 15 actions on the slider 8, through limit switch 15 and trigger bar 16's setting, during the compound die, slider 8 draws close to the die cavity, when moving one of them limit switch 15, short-distance cylinder 103 stop work, avoided slider 8 to continue to get into the die cavity and influence the shaping of work piece, during the drawing of patterns, when slider 8 outside side slip and trigger another limit switch 15, short-distance cylinder 103 stop work, avoided slider 8 to exceed the condition of landing from spout extension seat 12.

The basic working principle is as follows: in the demolding process, the upper mold frame 2 drives the first barb demolding component 13 and the second barb demolding component 14 to separate from barbs of workpieces when separating from the lower mold frame 3, the sliding blocks 8 in the first sliding grooves 31, the second sliding grooves 32, the third sliding grooves 33 and the fourth sliding grooves 34 slide towards the direction far away from the cavity, so that the barbs and the side walls of the workpieces are completely demolded, a material-removing thimble is convenient to drop a product, the flexibility of workpiece demolding is improved, and the improvement is realized.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mould for dust catcher handle, includes upper plate (1) and lower plate (4), upper plate (1) and lower plate (4) correspond the position and are provided with die carrier (2) and lower die carrier (3) respectively, it is provided with mould benevolence (5) and lower mould benevolence (6) to go up die carrier (2) and correspond position cladding respectively with lower die carrier (3), go up mould benevolence (5) and lower mould benevolence (6) cooperation and form the die cavity that is used for the work piece shaping, be provided with on upper plate (1) and upper die carrier (2) and run through with pouring hole groove (7) of die cavity intercommunication, a plurality of thimble holes have been seted up with the die cavity corresponding position down die carrier (3), sliding connection has the ejector pin of taking off in the thimble hole, its characterized in that: lower die carrier (3) go up along the circumference of die cavity offer respectively with first spout (31), second spout (32), third spout (33) and fourth spout (34) of die cavity intercommunication, equal sliding connection has slider (8) in first spout (31), second spout (32), third spout (33) and fourth spout (34), slider (8) are close to the shaping auxiliary block that one end fixedly connected with of die cavity is used for sealing the die cavity, the outside that lies in first spout (31) on die carrier (3) down is provided with and is used for driving gliding first drive assembly (9) of slider (8) that lie in on first spout (31), still be provided with on die carrier (3) down and be used for driving gliding second drive assembly (10) of slider (8) that lie in on second spout (32), third spout (33) and fourth spout (34), be provided with respectively on slider (8) that lie in second spout (32) and be used for the work piece drawing of patterns of falling down and collude A hook demoulding component (13) and a second inverse hook demoulding component (14).

2. The mold for a handle of a vacuum cleaner as set forth in claim 1, wherein: first overhead hook drawing of patterns subassembly (13) and second overhead hook drawing of patterns subassembly (14) all include overhead hook slider (13141) and with overhead hook slider (13141) fixed connection's overhead hook ejector pin (13142), towards the staggered fifth spout and the sixth spout that is provided with of die cavity on slider (8), overhead hook slider (13141) sliding connection is respectively in fifth spout and sixth spout, overhead hook ejector pin (13142) run through one side that slider (8) stretched into the die cavity, upward be provided with on die carrier (2) and be used for driving the gliding linkage subassembly of overhead hook slider (13141).

3. The mold for a handle of a vacuum cleaner as set forth in claim 2, wherein: the linkage assembly comprises an inclined guide post fixedly connected to the upper die carrier (2) through a connecting block, an inclined guide groove matched with the inclined guide post is formed in the inverted hook slide block (13141), and one end, far away from the upper die carrier (2), of the inclined guide post is slidably connected into the inclined guide groove.

4. The mold for a handle of a vacuum cleaner as set forth in claim 1, wherein: and the lower die carrier (3) is respectively fixed with a chute extension seat (12) communicated with the first chute (31), the second chute (32), the third chute (33) and the fourth chute (34).

5. The mold for a handle of a vacuum cleaner as set forth in claim 4, wherein: the first driving assembly (9) comprises a long-distance cylinder fixed on a sliding groove extending seat (12), and the output end of the long-distance cylinder is fixedly connected with the sliding block (8).

6. The mold for a handle of a vacuum cleaner as set forth in claim 4, wherein: the second driving assembly (10) comprises an L-shaped transmission rod (101), a limiting clamping block (102) and a short-distance cylinder (103) fixedly connected to the bottom of the sliding groove extension seat (12), one end of the L-shaped transmission rod (101) is fixedly connected with the output end of the short-distance cylinder (103), the other end of the L-shaped transmission rod (101) is fixedly connected with the sliding block (8), and the limiting clamping block (102) is fixed on the sliding groove extension seat (12) above the L-shaped transmission rod (101).

7. The mold for a handle of a vacuum cleaner as set forth in claim 4, wherein: two limit switches (15) are arranged on the sliding groove extending seat (12) positioned at one end of the second sliding groove (32), and a trigger rod (16) used for triggering the two limit switches (15) to act is fixedly connected to the sliding block (8).