CN214353958U

CN214353958U - Plastic mould with double limiting structure

Info

Publication number: CN214353958U
Application number: CN202120044912.4U
Authority: CN
Inventors: 刘汉雄
Original assignee: Suzhou Xingsida Mould Co ltd
Current assignee: Suzhou Xingsida Mould Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-08
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a plastic mould with double limiting structures, which belongs to the technical field of plastic moulds and comprises a base, wherein the upper surface of the base is respectively and fixedly provided with a connecting plate and a U-shaped frame, the lower surface of the U-shaped frame is provided with a fixed plate, the left side surface and the right side surface of the lower surface of the fixed plate are both provided with two cylinders, an output shaft of each cylinder is fixedly provided with a first slider, two first sliders on one side of the connecting plate are connected through a connecting rod, and the two first sliders are slidably arranged on the inner side wall of a hollow frame with an opening on the same upper surface; thereby carry out the up-and-down motion through setting up electric putter and drive the mould and make mould and bed die closure, utilize the mouth of moulding plastics to pour into and make the raw materials pour into the mould cavity into, utilize the handle to make the threaded rod rotate in the thread bush, cooperation slider three slides in the spout to make slide side to side movement, treat injection moulding's work piece and carry out big or small degree regulation, simple structure, convenient to use.

Description

Plastic mould with double limiting structure

Technical Field

The utility model belongs to the technical field of the plastic mould, concretely relates to plastic mould with dual limit structure.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, and can be used for processing a series of plastic parts with different shapes and sizes by means of the coordinated change of a male mould, a female mould and an auxiliary moulding system.

At present in the plastic mould production process, most are single spacing, can't realize dual spacing, and the work piece after moulding plastics lacks to work piece ejection mechanism, can't be ejecting fast, can only wait for the work piece cooling to take out, extravagant operating time, and most of them can only mould plastics to the work piece according to the big or small degree of mould of difference, and can't direct adjustment mould plastics the work piece size, extravagant production time, single structure, equipment functionality is imperfect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic mould with double limiting structures, which can lead a slide plate to move left and right by utilizing a handle to rotate a threaded rod to be matched with a third slide block and a chute, adjust the size of a workpiece to be injection molded, drive a first slide block to slide in a hollow frame by utilizing an output shaft of a recycling cylinder, drive a second slide block to slide in the slide frame by utilizing a first pin shaft hinged connecting rod to drive a second slide block to slide in the slide frame so as to lead a fixed rod to drive a top block to eject the workpiece after injection molding for quick workpiece taking, thereby solving the problems that in the prior production process of plastic moulds proposed in the background technology, most of the workpieces are single limiting, double limiting can not be realized, the workpiece after injection molding lacks a workpiece ejection mechanism, can not be quickly ejected, can only wait for cooling and taking out the workpiece, wastes working time, and most of the workpieces can only be injection molded according to different mould sizes, the size of the injection molding workpiece can not be directly adjusted, the production time is wasted, the structure is single, and the equipment functionality is incomplete.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic mold with a double-limiting structure comprises a base, wherein a connecting plate and a U-shaped frame are fixedly installed on the upper surface of the base respectively, a fixing plate is installed on the lower surface of the U-shaped frame, two cylinders are installed on the left side surface and the right side surface of the lower surface of the fixing plate respectively, a first sliding block is fixedly installed on an output shaft of each cylinder, the first sliding blocks on one side of the connecting plate are connected through a first connecting rod, the first sliding blocks are slidably installed on the inner side wall of a hollow frame with an opening in the upper surface of the same, one side surface of the first sliding block is hinged with a second connecting rod through a first pin shaft, the other end of the second connecting rod penetrates through a slide way formed in one side surface of the hollow frame to extend out of the hollow frame, a fixing column is installed on the upper surface of the middle of the connecting plate, sliding frames are fixedly installed on the left side surface and the right side surface of the fixing column, a second sliding block is slidably installed in the sliding frame, one end, far away from the first sliding block, is hinged with one side surface of the second sliding block through a second pin shaft, the top fixed mounting of fixed column has the bed die, two passageways have been seted up to the bottom of bed die, two all install in the passageway and be used for carrying out quick ejecting ejection mechanism to the back work piece of moulding plastics, the lower surface mounting of fixed plate has electric putter, electric putter's bottom fixed mounting has the bed die who matches the use with last mould, the mouth of moulding plastics has been seted up on the left side of going up the mould upper surface.

By adopting the scheme, the first sliding block is driven to slide in the hollow frame by utilizing the air cylinder, so that the second sliding block driving the first connecting rod slides left and right in the sliding frame, the ejection mechanism is further pushed to push out a workpiece after injection molding, the working time is effectively reduced, the electric push rod is matched to push the upper mold, the upper mold is matched with the lower mold, the workpiece is subjected to injection molding, the first sliding block is arranged into two sliding blocks, and the T-shaped block is more stable and convenient to operate when pushed.

In the above scheme, it should be noted that the electric push rod is electrically connected to an external power source.

As a preferred embodiment, the ejection mechanism comprises an ejector block, a sliding sleeve, a fixed rod and a T-shaped block, the sliding sleeve is connected to the inner side wall of the channel in a clamped mode, the fixed rod is arranged on the inner wall of the sliding sleeve in a sleeved mode, two ends of the fixed rod are fixedly connected with the ejector block and the T-shaped block respectively, a through hole for the T-shaped block to slide up and down is formed in the position, right facing the T-shaped block, of the upper surface of the sliding frame, and the inclined surface of the T-shaped block is right facing one side face of the second sliding block and matched with the second sliding block.

By adopting the scheme, the second sliding block is used for pushing the T-shaped block to enable the fixed rod to eject the ejection block, so that the injection-molded workpiece is ejected quickly, the injection-molded workpiece can be taken out quickly, and the working efficiency is effectively improved.

As a preferred embodiment, the outer surface of the fixed rod is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with one side face of the sliding sleeve opposite to the top block.

Adopt above-mentioned scheme, promote the kicking block through the dead lever to make the spring receive the extrusion, when two promotion T type pieces upward movement of slider, utilize spring elastic action, thereby make the kicking block restore to the throne fast, make things convenient for next work.

As a preferable embodiment, the left and right sides of the upper surface of the upper mold are respectively provided with a telescopic rod, and the top end of each telescopic rod is connected with the fixing plate.

By adopting the scheme, the telescopic rods are arranged on the left side surface and the right side surface of the upper die, so that the upper die is more stable when moving up and down.

As a preferred embodiment, threaded sleeves are clamped on the left side surface and the right side surface of the upper die, threaded rods are installed on the inner walls of the threaded sleeves in a threaded mode, two ends of each threaded rod are connected with a handle and a sliding plate respectively, and the sliding plates are installed inside the upper die in a sealing and sliding mode.

By adopting the scheme, the threaded rod is driven to rotate in the threaded sleeve by utilizing the handle, so that the sliding plate moves left and right, and the size of the workpiece before injection molding is adjusted.

As a preferred embodiment, two sliding grooves are formed in the left side surface and the right side surface of the upper surface of the inner side wall of the upper die, a third sliding block is arranged in each sliding groove in a sliding mode, and the third sliding block is arranged on the upper surface of the sliding plate.

By adopting the scheme, the sliding plate slides in the sliding groove by utilizing the third sliding block, so that the sliding plate is more stable when moving left and right.

Compared with the prior art, the beneficial effects of the utility model are that:

the plastic mould with the double-limiting structure is provided with the electric push rod to drive the upper mould to move up and down so as to close the upper mould and the lower mould, raw materials are injected into a cavity of the mould through an injection port, the threaded rod rotates in the threaded sleeve through the handle, and the slide block III is matched to slide in the sliding groove, so that the slide plate moves left and right, the size of a workpiece to be injection-molded is adjusted, and the plastic mould is simple in structure and convenient to use;

this plastic mould with dual limit structure drives slider one and slides in empty core frame through setting up the cylinder, and then drives two drive connecting rods slider two and slide in smooth frame, utilizes two promotion T type pieces of slider, and upward movement drives dead lever and kicking block upward movement to ejecting the work piece after moulding plastics fast reduces operating time, and equipment functionality is perfect.

Drawings

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

FIG. 2 is a schematic structural view of the connection plate of the present invention viewed from above;

fig. 3 is an enlarged schematic structural diagram of a position a of the present invention.

In the figure: 1. a base; 2. a U-shaped frame; 3. a connecting plate; 4. fixing a column; 5. a cylinder; 6. a first connecting rod; 7. a hollow frame; 8. a first sliding block; 9. a second connecting rod; 10. a sliding frame; 11. a second sliding block; 12. a fixing plate; 13. an electric push rod; 14. a lower die; 15. an upper die; 16. an injection molding port; 17. a chute; 18. a third sliding block; 19. a slide plate; 20. a telescopic rod; 21. a threaded rod; 22. a handle; 23. a T-shaped block; 24. a top block; 25. a spring; 26. a sliding sleeve; 27. and (5) fixing the rod.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a plastic mold with double limiting structure, which comprises a base 1, wherein the upper surface of the base 1 is fixedly provided with a connecting plate 3 and a U-shaped frame 2 respectively, the lower surface of the U-shaped frame 2 is provided with a fixing plate 12, the left and right side surfaces of the lower surface of the fixing plate 12 are provided with two cylinders 5, the output shaft of the cylinder 5 is fixedly provided with a first slider 8, the two sliders 8 at one side of the connecting plate 3 are connected with each other through a first connecting rod 6, the two sliders 8 are slidably arranged on the inner side wall of a hollow frame 7 with an opening at the upper surface, one side surface of the first slider 8 is hinged with a second connecting rod 9 through a first pin shaft, the other end of the second connecting rod 9 passes through a slide way arranged on one side surface of the hollow frame 7 to extend out of the hollow frame 7, the upper surface of the middle part of the connecting plate 3 is provided with a fixed column 4, the left and right side surfaces of the fixed column 4 are provided with slide frames 10, a second sliding block 11 is slidably mounted in the sliding frame 10, one end, far away from the first sliding block 8, of the second connecting rod 9 is hinged to one side face of the second sliding block 11 through a second pin shaft, a lower die 14 is fixedly mounted at the top end of the fixed column 4, two channels are formed in the bottom of the lower die 14, ejection mechanisms for quickly ejecting injection-molded workpieces are mounted in the two channels, each ejection mechanism comprises an ejector block 24, a sliding sleeve 26, a fixed rod 27 and a T-shaped block 23, the sliding sleeve 26 is clamped on the inner side wall of the channel, the fixed rod 27 is sleeved on the inner wall of the sliding sleeve 26, two ends of the fixed rod 27 are fixedly connected with the ejector blocks 24 and the T-shaped blocks 23 respectively, a through hole for the T-shaped block 23 to slide up and down is formed in the position, right opposite to the T-shaped block 23, on the upper surface of the sliding frame 10, and an inclined surface of the T-shaped block 23 is right opposite to one side face of the second sliding block 11 and is matched with the second sliding block 11 for use (see fig. 1, fig. 2 and fig. 3); the second sliding block 11 is used for pushing the T-shaped block 23, so that the fixed rod 27 can eject the ejection block 24, the injection-molded workpiece can be ejected quickly, the injection-molded workpiece can be taken out quickly, and the working efficiency is effectively improved.

A spring 25 is sleeved on the outer surface of the fixed rod 27, and two ends of the spring 25 are respectively fixedly connected with one side surface of the sliding sleeve 26 opposite to the top block 24 (see fig. 1 and 3); the top block 24 is pushed through the fixing rod 27, so that the spring 25 is extruded, and when the second sliding block 11 pushes the T-shaped block 23 to move upwards, the elastic action of the spring 25 is utilized, so that the top block 24 is quickly reset, and the next work is facilitated.

An electric push rod 13 is mounted on the lower surface of the fixed plate 12, a lower die 14 matched with the upper die 15 for use is fixedly mounted at the bottom end of the electric push rod 13, an injection port 16 is formed in the left side of the upper surface of the upper die 15, telescopic rods 20 are mounted on the left side surface and the right side surface of the upper die 15, and the top ends of the telescopic rods 20 are connected with the fixed plate 12 (see fig. 1); the telescopic rods 20 are installed on the left and right sides of the upper surface of the upper mold 15, so that the upper mold 15 is more stable when moving up and down.

The left side surface and the right side surface of the upper die 15 are respectively clamped with a threaded sleeve, the inner walls of the two threaded sleeves are respectively provided with a threaded rod 21 in a threaded manner, two ends of the threaded rod 21 are respectively connected with a handle 22 and a sliding plate 19, and the sliding plate 19 is hermetically and slidably arranged inside the upper die 15 (see figure 1); the size of the workpiece before injection is adjusted by rotating the threaded rod 21 in the threaded sleeve by using the handle 22, so that the sliding plate 19 moves left and right.

Two sliding grooves 17 are formed in the left side surface and the right side surface of the upper surface of the inner side wall of the upper die 15, three sliding blocks 18 are installed in the two sliding grooves 17 in a sliding mode, and the three sliding blocks 18 are installed on the upper surface of a sliding plate 19 (see fig. 1); the slide plate 19 is more stable in left and right movement by sliding the slide block three 18 in the slide groove 17.

When the injection molding machine is used, firstly, the electric push rod 13 is started to push the upper die 15, so that the upper die 15 and the lower die 14 are closed, the handle 22 is rotated to drive the threaded rod 21 to rotate in the threaded sleeve, so that the sliding plate 19 rotates, the sliding block III 18 slides in the sliding groove 17, so that the sliding plate 19 moves left and right, and further the size of a workpiece to be injection molded is adjusted, after the adjustment is finished, raw materials are poured into the upper die 15 through the injection port 16 through the outside, the injection molding of the workpiece is started, when the injection molding of the workpiece is finished, the electric push rod 13 is matched with the telescopic rod 20 to separate the upper die 15 from the lower die 14, at the moment, the air cylinder 5 is started, the first sliding block 8 is driven to slide in the hollow frame 7 by the output shaft of the air cylinder 5, so that the connecting rod II 9 is driven to drive the second sliding block 11 to slide left and right in the sliding frame 10, and when the sliding block II 11 pushes the T-shaped block 23, the T-shaped block 23 moves upwards, cooperation dead lever 27 drives kicking block 24 upward movement, and then makes the work piece ejecting, and spring 25 receives the extrusion this moment, utilizes spring 25's elastic action to make kicking block 24 reset fast, conveniently carries out next work, takes out the work piece after the cooling, makes things convenient for the later stage to use.

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 plastic mould with dual limit structure which characterized in that: the device comprises a base (1), wherein a connecting plate (3) and a U-shaped frame (2) are fixedly installed on the upper surface of the base (1) respectively, a fixing plate (12) is installed on the lower surface of the U-shaped frame (2), two cylinders (5) are installed on the left side surface and the right side surface of the lower surface of the fixing plate (12), a first slider (8) is fixedly installed on an output shaft of each cylinder (5), the two first sliders (8) on one side of the connecting plate (3) are connected through a first connecting rod (6), the two first sliders (8) are slidably installed on the inner side wall of a hollow frame (7) with an opening in the upper surface, a second connecting rod (9) is hinged to one side surface of each first slider (8) through a first pin shaft, the other end of each second connecting rod (9) penetrates through a slide way formed in one side surface of the hollow frame (7) to extend out of the hollow frame (7), and a fixing column (4) is installed on the upper surface of the middle portion of the connecting plate (3), the left and right sides face fixed mounting of fixed column (4) has smooth frame (10), slidable mounting has slider two (11) in smooth frame (10), the one end that slider one (8) were kept away from in connecting rod two (9) is articulated mutually through a side of round pin axle two (11), the top fixed mounting of fixed column (4) has bed die (14), two passageways have been seted up to the bottom of bed die (14), two all install in the passageway and be used for carrying out quick ejecting ejection mechanism to the back work piece of moulding plastics, the lower surface mounting of fixed plate (12) has electric putter (13), the bottom fixed mounting of electric putter (13) has bed die (14) that matches and use with last mould (15), mould plastics mouth (16) have been seted up on the left side of last mould (15) upper surface.

2. The plastic mold with a dual-position-limiting structure as claimed in claim 1, wherein: the ejection mechanism comprises an ejector block (24), a sliding sleeve (26), a fixing rod (27) and a T-shaped block (23), the sliding sleeve (26) is connected to the inner side wall of the channel in a clamped mode, the inner wall of the sliding sleeve (26) is sleeved with the fixing rod (27), two ends of the fixing rod (27) are fixedly connected with the ejector block (24) and the T-shaped block (23) respectively, a through hole for the T-shaped block (23) to slide up and down is formed in the position, right opposite to the T-shaped block (23), of the upper surface of the sliding frame (10), and the inclined surface of the T-shaped block (23) is right opposite to one side face of the second sliding block (11) and is matched with the second sliding block (11) for use.

3. The plastic mold with a dual-position-limiting structure as claimed in claim 2, wherein: the outer surface cover of dead lever (27) is equipped with spring (25), the both ends of spring (25) respectively with sliding sleeve (26) and kicking block (24) relative side fixed connection.

4. The plastic mold with a dual-position-limiting structure as claimed in claim 1, wherein: the left side surface and the right side surface of the upper die (15) are both provided with telescopic rods (20), and the top ends of the telescopic rods (20) are connected with the fixing plate (12).

5. The plastic mold with a dual-position-limiting structure as claimed in claim 1, wherein: go up the equal joint of the left and right sides face of mould (15) and have the thread bush, two threaded bush inner wall is equal threaded installation threaded rod (21), the both ends of threaded rod (21) are connected with handle (22) and slide (19) respectively, slide (19) seal sliding installation is in the inside of last mould (15).

6. The plastic mold with a dual-position-limiting structure as claimed in claim 5, wherein: two sliding grooves (17) are formed in the left side surface and the right side surface of the upper surface of the inner side wall of the upper die (15), a third sliding block (18) is installed in each sliding groove (17) in a sliding mode, and the third sliding blocks (18) are installed on the upper surface of a sliding plate (19).