CN112976516A - Automatic clamping mechanism who tears pull rod open of injection molding machine sectional type - Google Patents
Automatic clamping mechanism who tears pull rod open of injection molding machine sectional type Download PDFInfo
- Publication number
- CN112976516A CN112976516A CN202110308678.6A CN202110308678A CN112976516A CN 112976516 A CN112976516 A CN 112976516A CN 202110308678 A CN202110308678 A CN 202110308678A CN 112976516 A CN112976516 A CN 112976516A
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- pull rod
- cylinder
- brake
- rod
- clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
- B29C45/6778—Stroke adjusting or limiting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold locking mechanism of a sectional type automatic pull rod dismounting of an injection molding machine, which comprises a fixed mold plate, a movable mold plate and a detachable pull rod, wherein one end of the detachable pull rod is fixedly installed with the fixed mold plate through a fixed mold plate band-type brake assembly, the other end of the detachable pull rod penetrates through a pull rod hole of the movable mold plate and then is connected with one end of a pull rod connecting rod, a fixed mold plate band-type brake is fixedly arranged on the outer side of the fixed mold plate, the fixed mold plate band-type brake is matched with one end of the detachable pull rod on the fixed mold plate in a band-type brake manner, a high-pressure cylinder band-type brake I and a high-pressure cylinder band-type brake II are fixedly arranged on the outer side of the movable mold plate, the high-pressure cylinder band-type brake I and the high-pressure cylinder band-type brake II are matched with the detachable pull rod on the movable mold plate in a band-type brake manner, the invention effectively compensates, meanwhile, the factory space of the client is greatly saved.
Description
Technical Field
The invention belongs to the technical field of injection molding equipment, and particularly relates to a mold locking mechanism for a sectional type automatic pull rod dismounting of an injection molding machine.
Background
At present, in the industries of plastic processing, metal die casting and rubber processing, a die locking device used by injection molding equipment and die casting equipment is mostly of a two-plate type (two-plate machine for short). The two-plate mode locking device is widely applied due to simple and compact structure and easy use. The two-plate mode locking device generally comprises a movable template, a fixed template, a pull rod, a mode locking oil cylinder and a band-type brake assembly, wherein the pull rod is connected between the movable template and the fixed template and used for moving the movable template on the fixed template.
The existing mold locking mechanism can only adopt hydraulic power, or hybrid power or full-electric power, and for meeting customer requirements, if the existing mold locking mechanism is used for producing products, the existing mold locking mechanism needs to correspond to mold locking modules which are produced differently, so that the types of parts are increased, the lead time is prolonged, the production is wasted, and meanwhile, the existing mold locking mechanism has the technical problems of small mold changing space and difficult mold changing in the original maximum stroke.
Disclosure of Invention
The invention aims to provide a mold locking mechanism for an injection molding machine sectional type automatic pull rod dismounting, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a mold locking mechanism of a sectional type automatic pull rod dismounting of an injection molding machine comprises a fixed mold plate, a movable mold plate and a detachable pull rod, wherein one end of the detachable pull rod is fixedly installed with the fixed mold plate through a fixed mold plate band-type brake component, the other end of the detachable pull rod penetrates through a pull rod hole of the movable mold plate and then is connected with one end of a pull rod connecting rod, a fixed mold plate band-type brake is fixedly arranged on the outer side of the fixed mold plate, the fixed mold plate band-type brake is matched with one end of the detachable pull rod through a band-type brake, a high-pressure cylinder band-type brake I and a high-pressure cylinder band-type brake II are fixedly arranged on the outer side of the movable mold plate, and the high-pressure cylinder band-type brake I and;
the other end of the pull rod connecting rod is connected with the connecting rod transition plate, the top of the movable mould plate is provided with a pull rod detaching oil cylinder through an oil cylinder connecting plate, the end part of a piston rod of the pull rod detaching oil cylinder for detaching the pull rod oil cylinder is provided with a pull rod detaching oil cylinder joint bearing, a connecting pin penetrates through the pull rod detaching oil cylinder joint bearing and is connected with the pull rod detaching oil cylinder joint bearing, the end face of the connecting pin is in threaded connection with the end face of a piston rod of a clamping oil cylinder of the clamping oil cylinder, and the clamping oil cylinder is arranged on the side face of the connecting rod transition.
As a still further scheme of the invention: the working method of the mold locking mechanism comprises the following steps:
the method comprises the following steps: when the mold is changed, the band-type brakes of the fixed mold plate are opened, the movable mold plate is pushed to move through the mold moving oil cylinder, the band-type brakes of the high-pressure cylinders at the position of the detachable pull rod on the movable mold plate are tightly held and unchanged, the band-type brakes of the other three high-pressure cylinders are opened, the movable mold plate is opened to the position with the maximum capacity modulus, and the detachable pull rod drives the fixed mold plate to be disassembled for a certain distance;
step two: the clamping oil cylinder pushes a piston rod of the clamping oil cylinder to move through oil inlet of a rear cover of the clamping oil cylinder, so that the piston rod of the clamping oil cylinder drives a connecting pin to penetrate through a joint bearing mounting hole of the pull rod detaching oil cylinder and a connecting rod transition plate mounting hole, and a corresponding position where the detachable pull rod reaches is detected through a proximity switch;
step three: meanwhile, the pull rod detaching oil cylinder pushes the pull rod detaching oil cylinder piston rod to move to drive the detachable pull rod to retreat through oil inlet of the pull rod detaching oil cylinder rear cover, and the pull rod detaching oil cylinder electronic ruler controls the pull rod detaching oil cylinder to complete the residual pull rod detaching stroke, so that the subsequent die replacement of the die is facilitated.
As a still further scheme of the invention: the end face of the detachable pull rod is provided with annular teeth, and the fixed die plate brake and the detachable pull rod brake are in a meshed state.
As a still further scheme of the invention: the clamping oil cylinder comprises a clamping oil cylinder rear cover, and the clamping oil cylinder pushes a clamping oil cylinder piston rod to move through oil inlet of the clamping oil cylinder rear cover.
As a still further scheme of the invention: the pull rod detaching oil cylinder comprises a pull rod detaching oil cylinder rear cover, and the pull rod detaching oil cylinder pushes a pull rod detaching oil cylinder piston rod to move through oil inlet of the pull rod detaching oil cylinder rear cover.
As a still further scheme of the invention: and an electronic ruler for detaching the pull rod oil cylinder is fixedly arranged on the side surface of the pull rod detaching oil cylinder.
As a still further scheme of the invention: and two sides of the fixed template and the movable template are provided with a mold moving oil cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, on the basis of the original maximum stroke of the existing machine and a mold-moving oil cylinder, a detachable pull rod is separated from the mold surface of a fixed mold plate by a certain distance, namely, a band-type brake of the fixed mold plate is opened, the mold-moving oil cylinder pushes a movable mold plate to move, a band-type brake of a high-pressure cylinder at the position of the detachable pull rod on the movable mold plate is tightly held, and two high-pressure cylinder band-type brakes at the other three positions are opened, so that the movable mold plate is opened to the position with the maximum volume modulus, the detachable pull rod drives the fixed mold plate to be detached by a certain distance, a piston rod of a clamping oil cylinder is pushed to move by oil fed into a rear cover of the clamping oil cylinder, a piston rod of the clamping oil cylinder drives a connecting pin to penetrate through a joint bearing mounting hole of the detachable pull rod oil cylinder and a transition plate;
2. the mould locking device effectively makes up the problem that the existing movable mould plate side pull rod needs to be lengthened for a mould locking rack, a mould locking metal plate, a mould moving oil cylinder and four pull rods, greatly reduces the cost for manufacturing a pull rod dismounting machine, greatly saves the factory space of a client at the same time, and has the great advantage of a two-plate machine.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of a mold clamping mechanism for a segmented automatic tie bar removal of an injection molding machine.
FIG. 2 is a top view of a mold clamping mechanism for a segmented automatic tie bar removal of an injection molding machine.
FIG. 3 is a right side view of a mold clamping mechanism for a segmented automatic tie bar removal of an injection molding machine.
FIG. 4 is a schematic structural diagram of a clamping cylinder in a mold clamping mechanism of a sectional type automatic pull rod dismounting of an injection molding machine.
In the figure: 1. a mould moving oil cylinder; 2. a fixed template brake; 3. fixing a template; 301. moving the template; 4. a first high-pressure cylinder band-type brake; 5. disassembling the pull rod oil cylinder electronic ruler; 6. an oil cylinder connecting plate; 7. disassembling the pull rod oil cylinder; 8. the pull rod can be disassembled; 9. a tie rod connecting rod; 10. a connecting rod transition plate; 11. a connecting pin; 12. disassembling the joint bearing of the pull rod oil cylinder; 13. clamping the oil cylinder; 701. detaching the rear cover of the pull rod oil cylinder; 702. disassembling a piston rod of the pull rod oil cylinder; 1301. clamping a piston rod of the oil cylinder; 1302. clamping a rear cover of the oil cylinder; 19. and a second high-pressure cylinder band-type brake.
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.
Example one
Referring to fig. 1 to 4, a mold locking mechanism of a sectional type automatic pull rod of an injection molding machine comprises a fixed mold plate 3, a movable mold plate 301 and a detachable pull rod 8, wherein one end of the detachable pull rod 8 is fixedly installed with a corner position of the fixed mold plate 3 through a fixed mold plate band-type brake assembly, the other end of the detachable pull rod 8 penetrates through a pull rod hole of the movable mold plate 301 and then is connected with one end of a pull rod connecting rod 9, a fixed mold plate band-type brake 2 is fixedly arranged on the outer side of the fixed mold plate 3, the fixed mold plate band-type brake 2 is in band-type brake fit with one end of the detachable pull rod 8 on the fixed mold plate 3, a high-pressure cylinder band-type brake 4 and a high-pressure cylinder band-type brake 19 are fixedly arranged on the outer side of the movable mold plate 301, and the high-pressure cylinder band-type brake 4 and the high-pressure;
the other end of the pull rod connecting rod 9 is connected with the connecting rod transition plate 10, the top of the movable mould plate 301 is provided with a pull rod detaching cylinder 7 through a cylinder connecting plate 6, the end part of a pull rod detaching cylinder piston rod 702 of the pull rod detaching cylinder 7 is provided with a pull rod detaching cylinder joint bearing 12, a connecting pin 11 passes through the pull rod detaching cylinder joint bearing 12 and is connected with the pull rod detaching cylinder joint bearing 12, the end surface of the connecting pin 11 is in threaded connection with the end surface of a clamping cylinder piston rod 1301 of the clamping cylinder 13, and the clamping cylinder 13 is arranged on the side surface of the connecting rod transition plate 10.
When the device is used, firstly, the fixed template band-type brake 2 is opened, the movable template 301 is pushed by the template moving oil cylinder 1 to move, the band-type brake 4 at the high-pressure cylinder band-type brake 8 on the detachable pull rod 8 on the movable template 301 is tightly held, the other three high-pressure cylinder band-type brakes 19 are all opened, the movable template 3 is opened to the position with the maximum capacity modulus, the detachable pull rod 8 drives the fixed template 3 to be detached for a certain distance, then the clamping oil cylinder 13 pushes the clamping oil cylinder piston rod 1301 to move by feeding oil through the clamping oil cylinder rear cover 1302, the clamping oil cylinder piston rod 1301 drives the connecting pin 11 to pass through the mounting hole of the detachable pull rod oil cylinder joint bearing 12 and the mounting hole of the connecting rod transition plate 10, the corresponding position reached by the connecting pin 11 is detected by the proximity switch, the movable template 301 is opened to the maximum opening distance of the machine, and the detachable pull rod oil cylinder 7 pushes the detachable pull rod oil cylinder piston rod, the rest pull rod dismounting stroke is completed through the control of the pull rod dismounting oil cylinder electronic ruler 5, so that the replacement of the die is completed in the die changing space;
and as shown in FIG. 1, A is the die change space and B is the maximum opening distance of the machine.
Example two
As shown in fig. 1, in this embodiment, basically the same as that in embodiment 1, preferably, an end surface of the detachable pull rod 8 is provided with annular teeth, and the band-type brake 2 of the fixed die plate and the detachable pull rod 8 are in a meshing state when being band-type braked.
In this embodiment, set up annular tooth with removable pull rod 8's terminal surface, make removable pull rod 8 and fixed die plate band-type brake 2 be connected more tightly.
EXAMPLE III
As shown in fig. 4, this embodiment is substantially the same as embodiment 1, and preferably, the clamping cylinder 13 includes a clamping cylinder rear cover 1302, and the clamping cylinder 13 pushes the clamping cylinder piston rod 1301 to move by feeding oil through the clamping cylinder rear cover 1302.
In this embodiment, the clamping cylinder 13 drives the clamping cylinder piston rod 1301 to move, so that the clamping cylinder piston rod 1301 drives the connecting pin 11 to pass through the mounting hole of the detachable rod cylinder knuckle bearing 12 and the mounting hole of the connecting rod transition plate 10, and the corresponding position reached by the detachable rod 8 is detected through the proximity switch, thereby realizing adjustment of the opening modulus.
Example four
As shown in fig. 1, this embodiment is substantially the same as embodiment 1, and preferably, the pull-rod detaching cylinder 7 includes a pull-rod detaching cylinder rear cover 701, and the pull-rod detaching cylinder 7 pushes the pull-rod detaching cylinder piston rod 702 to move by taking oil through the pull-rod detaching cylinder rear cover 701.
In this embodiment, the pull rod detaching cylinder 7 drives the pull rod detaching cylinder piston rod 702 to move to drive the detachable pull rod 8 to retreat, and the electronic ruler 5 of the pull rod detaching cylinder controls the rest pull rod detaching stroke, so that the die change of the die is realized.
EXAMPLE five
As shown in fig. 1, this embodiment is substantially the same as embodiment 1, and preferably, a pull-rod detaching cylinder electronic ruler 5 is fixedly arranged on a side surface of the pull-rod detaching cylinder 7.
In this embodiment, the measurement of 8 strokes of removable pull rods is realized through tearing pull rod hydro-cylinder electronic ruler 5 open.
EXAMPLE six
As shown in fig. 2, this embodiment is substantially the same as embodiment 1, and preferably, mold-moving cylinders 1 are disposed on both sides of the fixed mold plate 3 and the movable mold plate 301.
In this embodiment, the moving oil cylinder 1 pushes the moving plate 301 to move, so as to open the mold.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides an automatic clamping mechanism who tears pull rod open of injection molding machine sectional type which characterized in that: the brake device comprises a fixed template (3), a movable template (301) and a detachable pull rod (8), wherein one end of the detachable pull rod (8) is fixedly installed with the fixed template (3) through a fixed template brake component, the other end of the detachable pull rod (8) penetrates through a pull rod hole of the movable template (301) and then is connected with one end of a pull rod connecting rod (9), a fixed template brake (2) is fixedly arranged on the outer side of the fixed template (3), the fixed template brake (2) and one end of the detachable pull rod (8) form a brake fit on the fixed template (3), a high-pressure cylinder brake I (4) and a high-pressure cylinder brake II (19) are fixedly arranged on the outer side of the movable template (301), and the high-pressure cylinder brake I (4) and the high-pressure cylinder brake II (19) form a brake fit with the detachable pull rod (8) on the movable template (301);
the other end of pull rod connecting rod (9) crosses cab apron (10) with the connecting rod and is connected, the top of movable mould board (301) is provided with through hydro-cylinder connecting plate (6) and tears down pull rod hydro-cylinder (7), tear the pull rod hydro-cylinder piston rod (702) tip of tearing open pull rod hydro-cylinder (7) and be provided with and tear down pull rod hydro-cylinder joint bearing (12), connecting pin (11) pass and tear down pull rod hydro-cylinder joint bearing (12) and with tear down pull rod hydro-cylinder joint bearing (12) and be connected, the terminal surface of connecting pin (11) and the tight hydro-cylinder piston rod (1301) terminal surface of clamp of clamping cylinder (13) are through threaded connection, clamp cylinder (13) set up on the side that cab apron (10) was crossed to the connecting rod.
2. The mold locking mechanism for the segmented automatic tie bar of an injection molding machine of claim 1, wherein the method of operating the mold locking mechanism comprises the steps of:
the method comprises the following steps: when a mould is replaced, the fixed mould plate brake (2) is opened, the movable mould plate (301) is pushed to move through the mould moving oil cylinder (1), the high-pressure cylinder brake I (4) at the position of the detachable pull rod (8) on the movable mould plate (301) is tightly clamped, the other three high-pressure cylinder brake II (19) are opened, the movable mould plate (301) is opened to the position with the maximum capacity modulus, and the detachable pull rod (8) drives the fixed mould plate (3) to be detached for a certain distance;
step two: the clamping oil cylinder (13) pushes a piston rod (1301) of the clamping oil cylinder to move through oil inlet of a rear cover (1302) of the clamping oil cylinder, so that the piston rod (1301) of the clamping oil cylinder drives a connecting pin (11) to penetrate through a mounting hole of a joint bearing (12) of the detachable pull rod oil cylinder and a mounting hole of a connecting rod transition plate (10), and a corresponding position where the detachable pull rod (8) reaches is detected through a proximity switch;
step three: meanwhile, the pull rod detaching oil cylinder (7) pushes a pull rod detaching oil cylinder piston rod (702) to move to drive the detachable pull rod (8) to retreat through oil feeding of a pull rod detaching oil cylinder rear cover (701), and the pull rod detaching oil cylinder electronic ruler (5) is controlled to complete the residual pull rod detaching stroke, so that the die change of subsequent dies is facilitated.
3. The clamping mechanism of the sectional type automatic pull rod of the injection molding machine as claimed in claim 2, wherein the end face of the detachable pull rod (8) is provided with annular teeth, and the internal contracting brake of the fixed mold plate (2) and the detachable pull rod (8) are engaged when contracting brake.
4. The mold locking mechanism for the segmented automatic tie rod dismounting of the injection molding machine according to claim 1, wherein the clamping cylinder (13) comprises a clamping cylinder rear cover (1302), and the clamping cylinder (13) pushes a clamping cylinder piston rod (1301) to move through oil feeding of the clamping cylinder rear cover (1302).
5. The mold locking mechanism for the segmented automatic tie bar dismounting of the injection molding machine according to claim 1, wherein the tie bar dismounting cylinder (7) comprises a tie bar dismounting cylinder rear cover (701), and the tie bar dismounting cylinder (7) pushes a tie bar dismounting cylinder piston rod (702) to move by oil feeding of the tie bar dismounting cylinder rear cover (701).
6. The mold locking mechanism for the segmented automatic tie bar dismounting of the injection molding machine according to claim 1, wherein an electronic ruler (5) of the tie bar dismounting cylinder is fixedly arranged on the side surface of the tie bar dismounting cylinder (7).
7. The mold locking mechanism for the segmented automatic tie bar of the injection molding machine according to claim 1, wherein the two sides of the fixed mold plate (3) and the movable mold plate (301) are provided with mold moving oil cylinders (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308678.6A CN112976516B (en) | 2021-03-23 | 2021-03-23 | Automatic clamping mechanism who tears pull rod open of injection molding machine sectional type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110308678.6A CN112976516B (en) | 2021-03-23 | 2021-03-23 | Automatic clamping mechanism who tears pull rod open of injection molding machine sectional type |
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| CN112976516A true CN112976516A (en) | 2021-06-18 |
| CN112976516B CN112976516B (en) | 2022-02-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986797A (en) * | 2022-05-06 | 2022-09-02 | 博创智能装备股份有限公司 | Automatic pull rod of tearing open of injection molding machine magnetic force |
| CN115122599A (en) * | 2022-06-13 | 2022-09-30 | 余姚市鹰图机械设备有限公司 | Wedge-shaped block band-type brake clamping mechanism of injection molding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986797A (en) * | 2022-05-06 | 2022-09-02 | 博创智能装备股份有限公司 | Automatic pull rod of tearing open of injection molding machine magnetic force |
| CN114986797B (en) * | 2022-05-06 | 2023-01-03 | 博创智能装备股份有限公司 | Automatic pull rod of tearing open of injection molding machine magnetic force |
| CN115122599A (en) * | 2022-06-13 | 2022-09-30 | 余姚市鹰图机械设备有限公司 | Wedge-shaped block band-type brake clamping mechanism of injection molding machine |
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|---|---|
| CN112976516B (en) | 2022-02-01 |
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