CN119261067A - A multi-station automatic low-pressure injection molding machine - Google Patents
A multi-station automatic low-pressure injection molding machine Download PDFInfo
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- CN119261067A CN119261067A CN202411459078.XA CN202411459078A CN119261067A CN 119261067 A CN119261067 A CN 119261067A CN 202411459078 A CN202411459078 A CN 202411459078A CN 119261067 A CN119261067 A CN 119261067A
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- injection molding
- balance
- turntable
- die assembly
- sleeve
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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
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
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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
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
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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
- B29C45/76—Measuring, controlling or regulating
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
-
- 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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1785—Movement of a part, e.g. opening or closing movement of the mould, generating fluid pressure in a built-in fluid pressure generator
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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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明涉及注塑设备技术领域，公开了一种多工位自动低压注塑机，包括：转台，转台转动设置于机台上；合模注塑单元，合模注塑单元包括上模组件和下模组件，上模组件与机台顶部的液压缸连接，下模组件设置为多个并均匀分布于转台上，上模组件与注塑料管连接，上模组件和下模组件上设置有位置传感器；自动定位单元，自动定位单元设置于机台内，用于调节驱动转台的位置，使上模组件和下模组件位置对应。本发明在注塑机转台上设置多个注塑工位，通过上模组件与不同位置处的下模组件组合，实现在各工位的注塑生产；采用位置传感器检测模具相对位置，并启动自动定位单元对转台角度进行调节，提高了多工位作业时模具合模的准确性，保证注塑成品质量。
The present invention relates to the technical field of injection molding equipment, and discloses a multi-station automatic low-pressure injection molding machine, comprising: a turntable, the turntable is rotatably arranged on a machine platform; a mold closing injection molding unit, the mold closing injection molding unit comprises an upper mold assembly and a lower mold assembly, the upper mold assembly is connected to a hydraulic cylinder on the top of the machine platform, the lower mold assembly is arranged in a plurality and evenly distributed on the turntable, the upper mold assembly is connected to an injection molding pipe, and position sensors are arranged on the upper mold assembly and the lower mold assembly; an automatic positioning unit, the automatic positioning unit is arranged in the machine platform, and is used to adjust the position of the driving turntable so that the positions of the upper mold assembly and the lower mold assembly correspond. The present invention arranges multiple injection molding stations on the turntable of the injection molding machine, and realizes injection molding production at each station by combining the upper mold assembly with the lower mold assembly at different positions; a position sensor is used to detect the relative position of the mold, and the automatic positioning unit is started to adjust the angle of the turntable, thereby improving the accuracy of mold closing during multi-station operation and ensuring the quality of the injection molded product.
Description
Technical Field
The invention relates to the technical field of injection molding equipment, in particular to a multi-station automatic low-pressure injection molding machine.
Background
A low pressure injection molding machine is a device that uses lower pressures for plastic material processing during injection molding. The low pressure injection molding process mainly comprises three steps of filling, curing and demolding. Firstly, injecting molten plastic into a mould through an injection molding machine to fill the whole mould cavity, then cooling and solidifying the plastic under lower pressure to form a required product, and finally opening the mould to take the product out of the mould to finish the whole injection molding process. The efficiency of the injection molding machine is an important factor affecting the production efficiency of the finished plastic product.
In the prior art, as disclosed in the patent application No. CN202122671845.1, a multi-station rotary low-pressure injection molding machine comprises an injection molding machine body, a glue injection module, a multi-station rotary module and a multi-station rotary module, wherein the glue injection module is arranged on the injection molding machine body and is in butt joint with the glue injection port and used for injecting glue into the glue injection port, and the multi-station rotary module is connected with the injection molding machine body and used for placing and rotating products to be injected and molded and finished in injection molding, so that the production efficiency is improved, the speed is improved, and the production period is shortened. However, in practical use, the mold usually adopts a mode of combining an upper mold and a lower mold, and in the switching process of each station, the accuracy of mold closing can be affected due to transmission errors in the rotating process, and deviation exists after the upper mold and the lower mold are closed, so that the quality of injection molding finished products is affected.
Therefore, there is a need for a multi-station automatic low pressure injection molding machine that at least partially addresses the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a multi-station automatic low pressure injection molding machine, comprising:
the turntable is rotatably arranged on the machine table;
The die assembly injection unit comprises an upper die assembly and a lower die assembly, the upper die assembly is connected with a hydraulic cylinder at the top of the machine table, the lower die assemblies are arranged in a plurality and uniformly distributed on the rotary table, the upper die assembly is connected with an injection molding material pipe, and position sensors are arranged on the upper die assembly and the lower die assembly;
the automatic positioning unit is arranged in the machine table and used for adjusting the position of the driving turntable so that the positions of the upper die assembly and the lower die assembly correspond.
Preferably, four injection molding stations are arranged on the rotary table, a lower die assembly is arranged on each injection molding station, and an upper die assembly is positioned above any lower die assembly.
Preferably, the automatic positioning unit includes a first angle adjusting unit, and the first angle adjusting unit includes:
The base is connected in the machine table, and a rotating shaft is arranged in the center of the base;
the first sleeve is rotationally connected to the top end of the rotating shaft of the base;
the second sleeve is concentrically connected to the first sleeve, and the bottom end of the second sleeve is rotatably arranged at the top end of the base;
the bearing platform is connected to the top end of the first sleeve and connected with the turntable.
Preferably, the first angle adjusting unit further includes:
the transmission gear is rotationally connected to the outer wall of the second sleeve;
the first motor is arranged on the inner wall of the second sleeve, and the output shaft is connected with the transmission gear;
The toothed ring is connected to the base and concentrically arranged on the outer side of the second sleeve, and is meshed with the bottom end of the transmission gear.
Preferably, the automatic positioning unit includes a second angle adjusting unit, the second angle adjusting unit including:
the first friction disc is rotationally connected to one side of the top end of the bearing table;
The second motor is arranged at the bottom of the bearing table, and the output shaft is connected with the first friction disk;
The second friction disc is rotationally connected to the center of the top end of the bearing table and is concentrically arranged with the bearing table, the second friction disc is in contact connection with the first friction disc, and the top end of the second friction disc is connected with the turntable.
Preferably, the automatic positioning unit further includes a balance adjusting unit, the balance adjusting unit including:
the central shaft is connected to the center of the top end of the bearing table;
The sphere is connected to the top end of the central shaft;
The tray, tray bottom center is provided with the balancing piece, and the balancing piece rotates with the spheroid to be connected and forms the ball pair, and the revolving stage is connected in the tray top.
Preferably, the balance adjustment unit further includes:
the rotating sleeve is sleeved on the outer side of the central shaft, and the bottom end of the rotating sleeve is connected with the second friction disc;
The first balance bars are arranged in two and symmetrically arranged on two sides of the rotating sleeve, and the center of each balance bar is rotationally connected with the rotating sleeve;
the two support rods are symmetrically connected to two sides of the bottom end of the tray;
the second balance rod is arranged between the end parts of the two first balance rods, and two ends of the second balance rod are respectively hinged with the first balance rods and the support rods.
Preferably, the balance adjusting unit further comprises a third motor, wherein the third motor is arranged on the second friction disc, and an output shaft of the third motor is connected with the center of one of the first balance rods.
Preferably, the automatic positioning unit further includes a balance detecting unit including:
the sliding rail is horizontally arranged at the upper part of the machine table and is positioned at one side of the upper die assembly;
the sliding seat is connected to the sliding rail in a sliding manner, two upper limit sliding columns and one lower limit sliding column are respectively arranged on two sides of the sliding seat, and a track of the sliding rail is arranged between the upper limit sliding column and the lower limit sliding column;
The detection cylinder is connected to the bottom end of the sliding seat and is close to the table top of the rotary table.
Preferably, the balance detection unit further comprises a fourth motor, rollers and a plurality of guide wheels, wherein the fourth motor and the two rollers are both arranged on the base, the output end of the fourth motor is connected with the two rollers simultaneously through a belt wheel assembly, traction ropes are wound on the two rollers, pass through the lower part of the base, and are connected with two ends of the sliding seat after being guided by the guide wheels.
Preferably, detect a section of thick bamboo top and air feed equipment and be connected, detect a section of thick bamboo bottom and be provided with the clearance unit, the clearance unit includes:
the nozzle is connected to the bottom end of the detection cylinder and is arranged in a conical manner;
The top end of the detection rod is connected to the inner wall of the nozzle through a first bracket, an airflow channel is arranged in the center of the detection rod, an upwardly inclined air inlet is formed in the top end of the detection rod, a downwardly inclined air outlet is formed in the side face of the detection rod, and the air inlet and the air outlet are both communicated with the airflow channel; the bottom end of the detection rod is provided with a detection head which is electrically connected with the controller;
The guide ring is connected to the detection rod through a second support, the edge of the guide ring is set to be arc-shaped, and the diameter of the guide ring is smaller than that of the bottom end of the nozzle.
Compared with the prior art, the invention at least comprises the following beneficial effects:
The multi-station automatic low-pressure injection molding machine provided by the invention is characterized in that a rotary turntable is arranged on the injection molding machine, a plurality of injection molding stations are arranged on the turntable, injection molding production at each station is realized by combining an upper die assembly with a lower die assembly at different positions, a position sensor is used for detecting the relative position of a die, an automatic positioning unit is started to adjust the angle of the turntable according to the relative position, the accuracy of die assembly of the die during multi-station operation is improved, and the quality of injection molding finished products is effectively ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a multi-station automatic low pressure injection molding machine according to the present invention;
FIG. 2 is a schematic diagram of an automatic positioning unit according to the present invention;
FIG. 3 is a schematic cross-sectional view of an automatic positioning unit according to the present invention;
FIG. 4 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 3;
FIG. 5 is a schematic view of a slider according to the present invention;
FIG. 6 is a schematic diagram of a cleaning unit according to the present invention;
FIG. 7 is a schematic cross-sectional view of a cleaning unit according to the present invention.
1, A turntable; 2, bench, 3, upper die assembly, 4, lower die assembly, 10, carrier, 11, base, 12, first sleeve, 13, second sleeve, 14, drive gear, 15, first motor, 16, toothed ring, 17, first friction disk, 18, second motor, 19, second friction disk, 21, central shaft, 22, sphere, 23, tray, 24, balance weight, 25, swivel sleeve, 26, first balance rod, 27, support rod, 28, second balance rod, 29, third motor, 31, slide rail, 32, slide seat, 33, upper limit slide column, 34, lower limit slide column, 35, detection cylinder, 36, fourth motor, 37, roller, 41, nozzle, 42, detection rod, 43, first bracket, 44, air flow channel, 45, air inlet, 46, air outlet, 47, guide ring, 48, second bracket.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1:
As shown in fig. 1, the present invention provides a multi-station automatic low pressure injection molding machine, comprising:
The turntable 1 is rotatably arranged on the machine table 2;
the die assembly injection unit comprises an upper die assembly 3 and a lower die assembly 4, the upper die assembly 3 is connected with a hydraulic cylinder at the top of the machine table 2, the lower die assemblies 4 are arranged in a plurality and uniformly distributed on the turntable 1, the upper die assembly 3 is connected with an injection pipe, and position sensors are arranged on the upper die assembly 3 and the lower die assembly 4;
the automatic positioning unit is arranged in the machine table 2 and used for adjusting the position of the driving turntable 1 so that the positions of the upper die assembly 3 and the lower die assembly 4 correspond.
Four injection molding stations are arranged on the rotary table 1, each injection molding station is provided with a lower die assembly 4, and the upper die assembly is positioned above any one lower die assembly 4.
The working principle and the beneficial effects of the technical scheme are as follows:
The invention provides a multi-station automatic low-pressure injection molding machine, when in use, four injection molding stations are arranged on a rotary table 1, each injection molding station is provided with a lower die assembly 4, when in injection molding, the rotary table 1 is rotated, any lower die assembly 4 is rotated to the lower part of an upper die assembly 3, the position is detected by a position sensor, a hydraulic cylinder is started to push the upper die assembly 3 downwards, an injection mold cavity is formed after the upper die assembly and the lower die assembly 4 are assembled, and raw materials are injected into the injection mold cavity through an injection molding pipe for molding. When any one station performs injection molding operation, the product which is already injection molded at the other station can be taken out, so that continuous operation is realized. In the rotating process of the turntable 1, whether the turntable 1 rotates in place or not is determined through position sensors on the upper die assembly 3 and the lower die assembly 4, and when a signal in place is not detected, namely the turntable is not rotated in place, an automatic positioning unit is started, and the position of the turntable 1 is adjusted until the signal in place is detected.
Through the structural design, the rotary turntable 1 is arranged on the injection molding machine, a plurality of injection molding stations are arranged on the turntable 1, injection molding production at each station is realized through combination of the upper die assembly 3 and the lower die assemblies 4 at different positions, the relative positions of the dies are detected by the position sensor, the angle of the turntable 1 is adjusted by starting the automatic positioning unit according to the relative positions of the dies, the accuracy of die assembly of the dies during multi-station operation is improved, and the quality of injection molding finished products is effectively ensured.
Example 2:
As shown in fig. 2 to 4, on the basis of the above-described embodiment 1, the automatic positioning unit includes a first angle adjusting unit including:
The base 11, the base 11 is connected in the machine 2, the center of the base 11 is provided with a rotating shaft;
The first sleeve 12, the first sleeve 12 connects to the top of the rotating shaft of the base 11 rotatably;
The second sleeve 13 is concentrically connected to the first sleeve 13, and the bottom end of the second sleeve 12 is rotatably arranged at the top end of the base 11;
The bearing table 10, the bearing table 10 is connected to the top end of the first sleeve 12, and the bearing table 10 is connected with the turntable 1;
The transmission gear 14 is rotatably connected to the outer wall of the second sleeve 13;
the first motor 15 is arranged on the inner wall of the second sleeve 13, and the output shaft is connected with the transmission gear 14;
The toothed ring 16, the toothed ring 16 is connected to the base 11, and is concentrically arranged outside the second sleeve 13, and the toothed ring 16 is meshed with the bottom end of the transmission gear 14.
The working principle and the beneficial effects of the technical scheme are as follows:
when the first angle adjusting unit is used, the first motor 15 is started to act to drive the transmission gear 14 to rotate, the transmission gear 14 is meshed with the toothed ring 16 for transmission, and as the toothed ring 16 is fixed in position, the second sleeve 13 is driven to rotate along with the rotation of the transmission gear 14, the first sleeve 12 rotates along with the rotation of the base 11 serving as the center, the bearing table 10 rotates along with the rotation of the bearing table 10, the bearing table 10 is connected with the turntable 1, the angle of the turntable 1 is adjusted, the meshing transmission ratio of the transmission gear 14 and the toothed ring 16 is accurate, the rotation speed is high, the lower die assembly 4 can be positioned below the upper die assembly 3 quickly, and the efficiency of station switching in injection molding operation is improved.
Example 3:
As shown in fig. 2 to 4, on the basis of the above-described embodiment 2, the automatic positioning unit includes a second angle adjustment unit including:
The first friction disc 17, the first friction disc 17 rotates and connects to the top side of the bearing table 10;
The second motor 18, the second motor 18 is installed at the bottom of the bearing table 10, and the output shaft is connected with the first friction disc 17;
The second friction disc 19, the second friction disc 19 rotates to connect in the top center of plummer 10 to set up with plummer 10 concentrically, the second friction disc 19 is connected with first friction disc 17 contact, the second friction disc 19 top is connected with revolving stage 1.
The working principle and the beneficial effects of the technical scheme are as follows:
When the second angle adjusting unit is used, the second motor 18 is started to drive the first friction disc 17 to rotate, the friction surface of the first friction disc 17 is contacted with the friction surface of the second friction disc 19, the second friction disc 19 is driven to rotate along with the friction surface through friction force, and the second friction disc 19 drives the turntable 1 to rotate. Through above-mentioned structural design, effectively realize the secondary to revolving stage 1 angle regulation, adopt friction disc pivoted mode, can carry out the electrodeless regulation to the angle of second friction disc 19, realize the regulation of tiny angle promptly, as the complement of first angle adjusting unit, improve the accurate regulation to revolving stage 1 angle, guarantee positioning accuracy.
Example 4:
As shown in fig. 2 to 4, on the basis of the above-described embodiment 3, the automatic positioning unit further includes a balance adjustment unit including:
a central shaft 21, the central shaft 21 being connected to the center of the top end of the carrying table 10;
A sphere 22, the sphere 22 being connected to the top end of the central shaft 21;
the tray 23, the bottom center of the tray 23 has a balance weight 24, the balance weight 24 is connected with the sphere 22 to form a sphere pair in a rotating way, the turntable 1 is connected with the top end of the tray 23;
The rotating sleeve 25 is sleeved outside the central shaft 21, and the bottom end of the rotating sleeve 25 is connected with the second friction disc 19;
The first balance rods 26 are arranged at two sides of the rotating sleeve 25 symmetrically, and the centers of the balance rods 26 are rotationally connected with the rotating sleeve 26;
The support rods 27 are arranged in two, and are symmetrically connected to the two sides of the bottom end of the tray 23;
The second balance bar 28, the second balance bar 28 is set up between end of two first balance bars 26, and the both ends of the second balance bar 28 are articulated with first balance bar 26 and bracing piece 27 separately;
And the third motor 29, the third motor 29 is installed on the second friction disc 19, and the output shaft of the third motor 29 is connected with the center of one of the first balance rods 26.
The working principle and the beneficial effects of the technical scheme are as follows:
When a plurality of injection molding stations are arranged on the turntable 1, when one of the injection molding stations is subjected to mold closing operation, a certain pressure is required to be maintained in the mold closing process, and the turntable 1 is easily deformed due to frequent eccentric pressure, so that the turntable 1 is unbalanced and cannot be accurately closed. Therefore, when the turntable 1 is unbalanced, the balance adjusting unit is started to act, the third motor 29 is started to drive the first balance rod 26 to rotate, one end of the first balance rod 26 moves downwards, the other end of the first balance rod 26 moves upwards, the first balance rod 26 drives the support rod 27 to incline through the second balance rod 28, namely, the support rod 27 on one side moves upwards, the support rod 27 on the other side moves downwards, the support rod 27 is arranged on the tray 23, and the tray 23 and the ball 22 form a ball pair through the balance block 24 at the bottom end, so that the support rod 27 drives the tray 23 to incline, and further the angle change of the turntable 1 is compensated, and the turntable is restored to the balance state.
Through the structural design, the tray 23 adopts the connection mode of the ball pair, the flexibility of angle adjustment of the turntable 1 is improved, the support rod 27 is adopted to provide support for the tray 23, the support rod 27 is arranged to release the freedom degree of the turntable 1 in the length direction of the turntable, the rotation direction of the turntable 1 is limited to the rotation direction of the third motor 29, the installation stability of the turntable 1 is ensured, the balance adjustment of the turntable 1 is effectively realized, and compared with the mode of directly driving the turntable 1 through a rotating shaft, the turntable 1 can be adjusted and reset after unbalance, and the situation that structural members cannot be accurately clamped due to deformation is prevented.
Example 5:
As shown in fig. 1 and 5, on the basis of the above embodiment 4, the automatic positioning unit further includes a balance detection unit including:
The sliding rail 31, the sliding rail 31 is horizontally arranged on the upper part of the machine table 2 and is positioned on one side of the upper die assembly 3;
The sliding seat 32 is in sliding connection with the sliding rail 31, two upper limit sliding columns 33 and one lower limit sliding column 34 are respectively arranged on two sides of the sliding seat 32, and the track of the sliding rail 31 is arranged between the upper limit sliding column 33 and the lower limit sliding column 34;
the detection cylinder 35, the detection cylinder 35 is connected to the bottom of the slide 32 and is close to the table top of the turntable 1.
The balance detection unit further comprises a fourth motor 36, rollers 37 and a plurality of guide wheels, wherein the fourth motor 36 and the two rollers 37 are both arranged on the base 11, the output end of the fourth motor 36 is connected with the two rollers 37 through a belt wheel assembly, traction ropes are wound on the two rollers 37, pass through the lower part of the base 11, and are connected with two ends of the sliding seat 32 after being guided by the guide wheels.
The working principle and the beneficial effects of the technical scheme are as follows:
The balance detection unit is used for detecting the balance state of the turntable 1, a driving part of the balance detection unit is integrated in the base 11 so as to be convenient for centralized control of driving parts, a fourth motor 36 is started, the fourth motor 36 drives two rollers 37 to synchronously act through belt transmission, winding directions of traction ropes on the two rollers 37 are opposite, when one roller 37 is wound up, the other roller 37 is wound off, the two rollers 37 are respectively connected with two ends of the sliding seat 32, so that the sliding seat 32 is pulled to slide along the sliding rail 31, the sliding seat 32 drives the detection cylinder 35 to move, and the detection end of the detection cylinder 35 moves along the upper part of the table top of the turntable 1. During injection molding operation, the heights of all positions of the table top of the turntable 1 are synchronously detected, so that the unbalance degree of the turntable 1 is detected, the upper limit sliding column 33 and the lower limit sliding column 34 of the sliding seat 32 slide relatively to the sliding rail 31, gaps between the upper part and the lower part of the sliding seat 32 and the sliding rail 31 are eliminated, and the detection accuracy of the detection cylinder 35 is improved.
Example 6:
as shown in fig. 1, 6, 7, on the basis of the above-described embodiment 5, the top end of the detection cylinder 35 is connected with the air supply device, and the bottom end of the detection cylinder 35 is provided with a cleaning unit including:
The nozzle 41, the nozzle 41 connects to the bottom of the detecting cylinder 35, the nozzle 41 is conical;
The detection rod 42, the top end of the detection rod 42 is connected to the inner wall of the nozzle 41 through the first bracket 43, the center of the detection rod 42 is provided with an air flow channel 44, the top end of the detection rod 42 is provided with an upward inclined air inlet 45, the side surface of the detection rod 42 is provided with a downward inclined air outlet 46, and the air inlet 45 and the air outlet 46 are both communicated with the air flow channel 44;
the guide ring 47, the guide ring 47 is connected to the detecting rod 42 through the second bracket 48, the edge of the guide ring 47 is set to be arc-shaped, and the diameter of the guide ring 47 is smaller than the diameter of the bottom end of the nozzle 41.
The working principle and the beneficial effects of the technical scheme are as follows:
In the injection molding process, dust or redundant waste materials during demolding can be accumulated on the table top of the turntable 1, a cleaning unit is arranged in the detection cylinder 35, when the turntable is used, air flow is conveyed into the detection cylinder 35 by an air supply device, and is blown onto the table top of the turntable 1 through the nozzle 41, during the air flow process, part of the air flow positioned at the edge of the nozzle 41 flows towards the center of the nozzle 41 under the flow guiding effect of the arc-shaped surface at the edge of the guide ring 47, part of the air flow in the middle of the nozzle 41 directly flows towards the table top of the turntable 1 through the guide ring 47, part of the air flow enters an air flow channel 44 of the detection rod 42 through an air inlet 45, flows out through an air outlet 46 at the side surface of the detection rod 42, and forms the air flow around the detection rod 42 due to the inclined arrangement of the air outlet 46.
Through the structural design, the table top of the turntable 1 is effectively cleaned, the influence of dust and waste on a detection result is eliminated, the guide ring 47 is arranged at the bottom of the nozzle 41, air flow is concentrated at the center of the nozzle 41, the blowing effect of blowing air flow is improved, the air flow loss is reduced, meanwhile, the circumferential air flow formed on the surface of the detection rod 42 can clean the dust and waste attached to the surface of the detection rod, the surface of the detection head is kept clean, and the detection accuracy is ensured.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interactive relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. A multi-station automatic low pressure injection molding machine, comprising:
The turntable (1) is rotatably arranged on the machine table (2);
The die assembly injection unit comprises an upper die assembly (3) and a lower die assembly (4), wherein the upper die assembly (3) is connected with a hydraulic cylinder at the top of the machine table (2), the lower die assemblies (4) are arranged in a plurality and uniformly distributed on the rotary table (1), the upper die assembly (3) is connected with an injection pipe, and position sensors are arranged on the upper die assembly (3) and the lower die assembly (4);
the automatic positioning unit is arranged in the machine table (2) and used for adjusting the position of the driving turntable (1) so that the positions of the upper die assembly (3) and the lower die assembly (4) correspond.
2. A multi-station automatic low pressure injection molding machine according to claim 1, characterized in that four injection molding stations are provided on the turntable (1), and each injection molding station is provided with a lower mold assembly (4), the upper mold assembly being located above any one of the lower mold assemblies (4).
3. The multi-station automatic low pressure injection molding machine of claim 2, wherein the automatic positioning unit comprises a first angle adjustment unit comprising:
the base (11), the base (11) is connected in the machine (2), the center of the base (11) is provided with a rotating shaft;
the first sleeve (12) is rotationally connected to the top end of the rotating shaft of the base (11);
the second sleeve (13) is concentrically connected to the first sleeve (13), and the bottom end of the second sleeve (12) is rotatably arranged at the top end of the base (11);
The bearing table (10), the bearing table (10) is connected to the top end of the first sleeve (12) and is connected with the turntable (1).
4. A multi-station automatic low pressure injection molding machine according to claim 3, wherein the first angle adjustment unit further comprises:
the transmission gear (14), the transmission gear (14) is connected to the outer wall of the second sleeve (13) in a rotating way;
the first motor (15), the first motor (15) is installed on the inner wall of the second sleeve (13), and the output shaft is connected with the transmission gear (14);
the toothed ring (16), the toothed ring (16) is connected on the base (11) and concentrically arranged outside the second sleeve (13), and the toothed ring (16) is connected with the bottom end of the transmission gear (14) in a meshed manner.
5. The multi-station automatic low pressure injection molding machine of claim 4, wherein the automatic positioning unit comprises a second angle adjustment unit comprising:
the first friction disc (17), the first friction disc (17) rotates and connects to one side of top of the bearing table (10);
the second motor (18), the second motor (18) is installed at the bottom of the bearing table (10), and the output shaft is connected with the first friction disc (17);
the second friction disc (19), second friction disc (19) rotate and connect in plummer (10) top center to set up with plummer (10) are concentric, second friction disc (19) and first friction disc (17) contact connection, second friction disc (19) top and revolving stage (1) are connected.
6. The multi-station automatic low pressure injection molding machine of claim 5, wherein the automatic positioning unit further comprises a balance adjustment unit, the balance adjustment unit comprising:
a central shaft (21), wherein the central shaft (21) is connected to the center of the top end of the bearing table (10);
A sphere (22), wherein the sphere (22) is connected to the top end of the central shaft (21);
The rotary table comprises a tray (23), wherein a balance block (24) is arranged at the center of the bottom end of the tray (23), the balance block (24) is rotationally connected with a ball body (22) to form a ball pair, and the rotary table (1) is connected to the top end of the tray (23).
7. The multi-station automatic low pressure injection molding machine according to claim 6, wherein the balance adjusting unit comprises:
The rotating sleeve (25) is sleeved outside the central shaft (21), and the bottom end of the rotating sleeve (25) is connected with the second friction disc (19);
the first balance rods (26) are arranged at two sides of the rotating sleeve (25) symmetrically, and the centers of the balance rods (26) are rotationally connected with the rotating sleeve (26);
The two support rods (27) are symmetrically connected to two sides of the bottom end of the tray (23);
the second balance rod (28), second balance rod (28) set up between two first balance rod (26) tip, and second balance rod (28) both ends are articulated with first balance rod (26) and bracing piece (27) respectively.
8. The multi-station automatic low-pressure injection molding machine according to claim 7, wherein the balance adjusting unit further comprises a third motor (29), the third motor (29) is mounted on the second friction disc (19), and an output shaft of the third motor (29) is centrally connected with one of the first balance bars (26).
9. A multi-station automatic low pressure injection molding machine as claimed in claim 3, wherein the automatic positioning unit further comprises a balance detection unit comprising:
the sliding rail (31) is horizontally arranged at the upper part of the machine table (2) and is positioned at one side of the upper die assembly (3);
The sliding seat (32), the sliding seat (32) is connected onto the sliding rail (31) in a sliding manner, two upper limit sliding columns (33) and one lower limit sliding column (34) are respectively arranged on two sides of the sliding seat (32), and a track of the sliding rail (31) is arranged between the upper limit sliding columns (33) and the lower limit sliding columns (34);
The detection cylinder (35), the detection cylinder (35) is connected in the bottom of slide (32) to be close to the mesa of revolving stage (1).
10. The multi-station automatic low-pressure injection molding machine according to claim 9, wherein the balance detection unit further comprises a fourth motor (36), rollers (37) and a plurality of guide wheels, the fourth motor (36) and the two rollers (37) are both arranged on the base (11), the output end of the fourth motor (36) is simultaneously connected with the two rollers (37) through a belt wheel assembly, traction ropes are wound on the two rollers (37), and the traction ropes pass through the lower part of the base (11) and are connected with two ends of the sliding seat (32) after being guided by the guide wheels.
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| CN202411459078.XA CN119261067B (en) | 2024-10-18 | 2024-10-18 | Multi-station automatic low-pressure injection molding machine |
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| CN202411459078.XA CN119261067B (en) | 2024-10-18 | 2024-10-18 | Multi-station automatic low-pressure injection molding machine |
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Cited By (1)
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| CN119261067B (en) | 2025-05-16 |
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