Automatic mold changing device of injection molding machine

By introducing auxiliary displacement components and electrostatic dust collection devices into the automatic mold changing device of the injection molding machine, the roller status is monitored and alarmed in real time, which solves the problems of roller dents and dust accumulation, realizes the stability and accuracy of mold transportation, and extends the service life of the device.

CN223520095UActive Publication Date: 2025-11-07KUNSHAN ZEXU AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202423095300.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

When frequently handling heavy molds, the rollers of existing automatic mold changing devices for injection molding machines are prone to plastic deformation and dents caused by foreign object compression, resulting in shaking and bumping during mold transportation, which affects service life and accurate positioning.

Method used

An auxiliary displacement component is adopted, including a strip-shaped auxiliary transfer roller, a close-fitting roller block, a contact sensor, and an electrostatic dust-absorbing outer layer. The roller status is monitored in real time and an alarm is issued to prevent the dent from worsening. At the same time, dust is removed to ensure the stability and cleanliness of mold transportation.

Benefits of technology

Through real-time monitoring and alarm mechanisms, the dents are prevented from worsening, extending the life of the equipment, ensuring the accuracy and safety of mold transportation, and improving service life and cleanliness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic mold changing device of an injection molding machine, which belongs to the field of mold changing devices and comprises an automatic mold changing trolley, an auxiliary displacement component is arranged at the upper end of the automatic mold changing trolley and comprises a hollow top plate, a plurality of strip-shaped adaptive slots are formed in the upper end of the hollow top plate, and the upper end of the hollow top plate is provided with a plurality of clamping grooves. A plurality of strip-shaped adaptive open grooves are formed in the base, the strip-shaped adaptive open grooves are formed at equal intervals from front to back, the inner ends of the strip-shaped adaptive open grooves are rotationally connected with strip-shaped auxiliary object moving rolling shafts, and bottom matching strips are arranged at the lower ends of the strip-shaped auxiliary object moving rolling shafts. According to the automatic mold changing trolley, an alarm can be given out when a pit just appears or is still in a slight stage, the pit is prevented from being further deteriorated, and therefore the service life of the automatic mold changing trolley is guaranteed, shaking and jolting of the injection mold body in the transportation process can be effectively prevented, and accurate transportation and positioning of the injection mold body are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a die changing device field, more specifically, relate to a kind of automatic die changing device of injection molding machine. BACKGROUND

[0002] The automatic die changing device of injection molding machine is a kind of automation equipment specially designed for quickly, efficiently and safely replacing injection molding machine die. It can significantly shorten the die replacement time, improve the flexibility and production efficiency of injection molding production, and is suitable for various scales and types of injection molding processing enterprises, especially in the multi-variety, small-batch production mode, the advantage is more prominent.

[0003] When the automatic die changing device frequently handles heavy molds, the roller shaft is subjected to great pressure, and if the roller shaft is in this heavy load state for a long time, the surface material will gradually deform plastically, resulting in concave, and in the working environment of injection molding machine, some foreign matters may enter the contact area between roller shaft and roller, and the roller is extruded by these foreign matters during operation, and the local pressure will increase instantaneously, resulting in concave on the surface of roller, and the concave on the surface of roller will cause the mold to vibrate and shake when transported on roller. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an automatic die changing device of injection molding machine, which can monitor the state of the strip-shaped auxiliary moving roller in real time, and can issue an alarm when the concave just appears or is still in the slight stage, to avoid further deterioration of the concave, thereby protecting the service life of the automatic die changing trolley, thereby effectively preventing the shaking and vibration of the injection mold body during transportation, and ensuring the accurate transportation and positioning of the injection mold body.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The utility model provides an automatic mould changing device of injection molding machine, including automatic mould changing dolly, the upper end of automatic mould changing dolly is provided with auxiliary displacement assembly, and auxiliary displacement assembly includes openwork top board, a plurality of strip adaptation slot are seted up in the upper end of openwork top board, and the equal interval is seted up from front to back between a plurality of strip adaptation slot, and the inner end of strip adaptation slot is rotatably connected with strip auxiliary moving object roll axle, and the lower end of strip auxiliary moving object roll axle is provided with bottom cooperation strip, and the upper end of bottom cooperation strip is provided with strip recess, and the upper end of strip recess is fixedly connected with a plurality of spring resistance piece, and the equal interval is seted up from left to right between a plurality of spring resistance piece, and the upper end of spring resistance piece is fixedly connected with close roll axle block, and close roll axle block and strip auxiliary moving object roll axle are mutually matched, and the upper side of the left and right two inner walls of strip recess is fixedly connected with a plurality of contact sensors.

[0009] Further, the plurality of contact sensors are respectively pressed and contacted by the corresponding close roll axle blocks, and the strip auxiliary moving object roll axle is circumscribed with a drive motor.

[0010] Further, the outer side wall of the close roll axle block is fixedly connected with an electrostatic dust absorption outer layer, and the electrostatic dust absorption outer layer is in contact with the outer side wall of the strip auxiliary moving object roll axle.

[0011] Further, the upper end of the automatic mould changing dolly is fixedly connected with a plurality of safety fences, and the plurality of safety fences are respectively located on the upper three sides of the automatic mould changing dolly.

[0012] Further, the lower end of the automatic mould changing dolly is provided with a plurality of supporting leg rods, and the plurality of supporting leg rods are distributed in a rectangular shape.

[0013] Further, the upper end of the automatic mould changing dolly is placed with an injection mold body, and the injection mold body extends above the auxiliary displacement assembly.

[0014] Further, the automatic mould changing dolly is built-in with a controller, and the controller is connected with the contact sensors through wires.

[0015] 3. Advantages

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The injection mold body in the scheme is conveyed and replaced through the auxiliary displacement assembly on the automatic mold changing trolley, and when the driving motor in the auxiliary displacement assembly bears the displacement path of the injection mold body, the plurality of close roller shaft blocks on the bottom matching strip arranged below can be pushed upwards according to the bar-shaped groove opening, so that the close roller shaft blocks are in a state of closely contacting the outer wall surface of the bar-shaped auxiliary moving roller shaft, when the groove appears on the outer side of the bar-shaped auxiliary moving roller shaft, the spring on the corresponding position of the close roller shaft block can be stretched, so that the close roller shaft block is no longer closely combined with the contact sensor, and the contact sensor that is not closely combined can send a related reminding signal to the controller, reminding the staff to arrange maintenance or replacement of the bar-shaped auxiliary moving roller shaft in time, so as to guarantee the service life of the automatic mold changing trolley.

[0018] (2) Meanwhile, when the close roller shaft block is closely combined with the bar-shaped auxiliary moving roller shaft, an electrostatic dust absorption outer layer surface can be arranged outside the close roller shaft block, the electrostatic dust absorption outer layer surface can actively attract and capture dust particles on the outer side of the bar-shaped auxiliary moving roller shaft in the process of contacting the outer wall surface of the bar-shaped auxiliary moving roller shaft, effectively preventing dust from accumulating on the surface of the bar-shaped auxiliary moving roller shaft, thereby creating more stable and clean environmental conditions for the operation of the bar-shaped auxiliary moving roller shaft, and further improving. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the shaft side structure of the automatic mold changing trolley of the utility model.

[0020] Figure 2 It is a schematic view of the shaft side structure of the bar-shaped auxiliary moving roller shaft of the utility model. Figure 1 It is a schematic view of the local cut-off enlarged structure of the automatic mold changing trolley.

[0021] Figure 3 It is a schematic view of the shaft side structure of the bar-shaped auxiliary moving roller shaft of the utility model.

[0022] Figure 4 It is a schematic view of the local cut-off enlarged structure of the bottom matching strip.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, automatic mold changing trolley; 2, support leg rod; 3, safety fence plate; 4, auxiliary displacement assembly; 5, injection mold body; 6, hollow top plate; 7, bar-shaped adaptive slot; 8, driving motor; 9, bar-shaped auxiliary moving roller shaft; 10, bottom matching strip; 11, bar-shaped groove opening; 12, spring abutting piece; 13, close roller shaft block; 14, contact sensor; 15, electrostatic dust absorption outer layer surface. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments of the present application belong to the scope of protection of the present application.

[0026] In the description of the present application, it should be pointed out that the positions or location relationships indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a specific orientation, structure and operation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Embodiment:

[0029] Please refer to Figures 1-4 An automatic mold changing device of an injection molding machine, comprising an automatic mold changing trolley 1, an auxiliary displacement assembly 4 is arranged at the upper end of the automatic mold changing trolley 1, the auxiliary displacement assembly 4 comprises a hollow top plate 6, a plurality of strip-shaped adaptive slots 7 are arranged at the upper end of the hollow top plate 6, the strip-shaped adaptive slots 7 are equidistantly arranged from front to back, a strip-shaped auxiliary moving roller shaft 9 is rotatably connected to the inner end of the strip-shaped adaptive slot 7, a bottom matching strip 10 is arranged at the lower end of the strip-shaped auxiliary moving roller shaft 9, a strip-shaped groove mouth 11 is arranged at the upper end of the bottom matching strip 10, a plurality of spring abutting pieces 12 are fixedly connected to the upper end of the strip-shaped groove mouth 11, the spring abutting pieces 12 are equidistantly arranged from left to right, a close roller shaft block 13 is fixedly connected to the upper end of the spring abutting piece 12, the close roller shaft block 13 cooperates with the strip-shaped auxiliary moving roller shaft 9, and a plurality of contact sensors 14 are fixedly connected to the upper sides of the left and right inner walls of the strip-shaped groove mouth 11.

[0030] Please refer to Figures 1-4The plurality of contact sensors 14 are pressed and contacted by the corresponding close-together roller blocks 13 respectively, the strip-shaped auxiliary moving roller 9 is externally connected with a driving motor 8, the outer side wall of the close-together roller block 13 is fixedly connected with an electrostatic dust-attracting outer layer 15, the electrostatic dust-attracting outer layer 15 is in contact with the outer side wall of the strip-shaped auxiliary moving roller 9, the upper end of the automatic mold changing trolley 1 is fixedly connected with a plurality of safety fence plates 3, the plurality of safety fence plates 3 are respectively located at the upper three sides of the automatic mold changing trolley 1, the lower end of the automatic mold changing trolley 1 is provided with a plurality of supporting leg rods 2, the plurality of supporting leg rods 2 are distributed in a rectangular shape, the upper end of the automatic mold changing trolley 1 is placed with an injection mold body 5, the injection mold body 5 extends above the auxiliary displacement assembly 4, and the automatic mold changing trolley 1 is internally provided with a controller, and the controller is connected with the contact sensor 14 through wires.

[0031] Please refer to Figures 1-4 In the scheme, the injection mold body 5 is conveyed and replaced through the auxiliary displacement assembly 4 on the automatic mold changing trolley 1, and when the driving motor 8 in the auxiliary displacement assembly 4 bears the displacement path of the injection mold body 5, the plurality of close-together roller blocks 13 on the bottom matching strip 10 arranged below can be pushed upwards according to the strip-shaped groove 11, so that the close-together roller blocks 13 are in a state of tightly adhering to the outer wall surface of the strip-shaped auxiliary moving roller 9, when the outer side of the strip-shaped auxiliary moving roller 9 appears a groove, the spring on the corresponding close-together roller block 13 can be stretched, so that the close-together roller block 13 is no longer tightly adhered to the contact sensor 14, and the contact sensor 14 not subjected to the adhering induction can send a related reminding signal to the controller, reminding the staff to arrange maintenance or replacement of the strip-shaped auxiliary moving roller 9 in time, so that the state of the strip-shaped auxiliary moving roller 9 can be monitored in real time, an alarm can be sent when the recess just appears or is still in a slight stage, the recess is prevented from further deteriorating, the service life of the automatic mold changing trolley 1 is guaranteed, the injection mold body 5 is effectively prevented from shaking and bumping during transportation, the accurate transportation and positioning of the injection mold body 5 are ensured, and the close-together roller block 13 is tightly adhered to the strip-shaped auxiliary moving roller 9, the electrostatic dust-attracting outer layer 15 can be arranged outside the close-together roller block 13, the electrostatic dust-attracting outer layer 15 can actively attract and capture dust particles outside the strip-shaped auxiliary moving roller 9 in the process of contacting the outer wall surface of the strip-shaped auxiliary moving roller 9, dust is effectively prevented from accumulating on the surface of the strip-shaped auxiliary moving roller 9, a more stable and clean environment condition is created for the operation of the strip-shaped auxiliary moving roller 9, and the strip-shaped auxiliary moving roller 9 is further improved.

[0032] The above is only a preferred specific implementation manner of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Automatic die changing device of an injection molding machine, comprising an automatic die changing trolley (1), characterized in that: The upper end of the automatic die changing trolley (1) is provided with an auxiliary displacement assembly (4), the auxiliary displacement assembly (4) comprises a hollow top plate (6), a plurality of strip-shaped adaptive slots (7) are formed in the upper end of the hollow top plate (6), the strip-shaped adaptive slots (7) are equidistantly arranged from front to back, a strip-shaped auxiliary moving roller shaft (9) is rotatably connected to the inner end of the strip-shaped adaptive slot (7), a bottom matching strip (10) is arranged at the lower end of the strip-shaped auxiliary moving roller shaft (9), a strip-shaped groove (11) is formed in the upper end of the bottom matching strip (10), a plurality of spring abutting pieces (12) are fixedly connected to the upper end of the strip-shaped groove (11), the spring abutting pieces (12) are equidistantly arranged from left to right, a close roller shaft block (13) is fixedly connected to the upper end of the spring abutting piece (12), the close roller shaft block (13) cooperates with the strip-shaped auxiliary moving roller shaft (9), and a plurality of contact sensors (14) are fixedly connected to the left and right inner walls of the strip-shaped groove (11).

2. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The plurality of contact sensors (14) are respectively pressed and contacted by the corresponding close roller shaft blocks (13), and the strip-shaped auxiliary moving roller shaft (9) is externally connected with a driving motor piece (8).

3. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The outer side wall of the close roller shaft block (13) is fixedly connected with an electrostatic dust absorption outer layer (15), and the electrostatic dust absorption outer layer (15) is in contact with the outer side wall of the strip-shaped auxiliary moving roller shaft (9).

4. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The upper end of the automatic die changing trolley (1) is fixedly connected with a plurality of safety fence plates (3), and the plurality of safety fence plates (3) are respectively located above the three sides of the automatic die changing trolley (1).

5. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The lower end of the automatic die changing trolley (1) is provided with a plurality of supporting leg rods (2), and the plurality of supporting leg rods (2) are arranged in a rectangular distribution.

6. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The upper end of the automatic die changing trolley (1) is placed with an injection mold body (5), and the injection mold body (5) extends above the auxiliary displacement assembly (4).

7. An automatic mold changing apparatus for an injection molding machine according to claim 1, wherein: The automatic die changing trolley (1) is built-in with a controller, and the controller is connected with the contact sensor (14) through wires.