CN216300069U - Mechanical mold locking safety protection device of two-plate machine and injection molding machine - Google Patents
Mechanical mold locking safety protection device of two-plate machine and injection molding machine Download PDFInfo
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- CN216300069U CN216300069U CN202122167102.0U CN202122167102U CN216300069U CN 216300069 U CN216300069 U CN 216300069U CN 202122167102 U CN202122167102 U CN 202122167102U CN 216300069 U CN216300069 U CN 216300069U
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- toothed plate
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Abstract
The utility model discloses a mechanical mold locking safety protection device of a two-plate machine and an injection molding machine, belonging to the technical field of injection molding equipment, wherein the device comprises a safety rack, a limiting mechanism and a rack, the limiting mechanism comprises a driving assembly and a safety toothed plate, the driving assembly is rotatably connected with the safety toothed plate and is used for driving the safety toothed plate to be meshed with or loosened from the safety rack, and an included angle at the meshing part of the safety rack and the safety toothed plate is an acute angle; the device also comprises a limit switch, wherein the limit switch is electrically connected with the driving assembly; the device can realize the self-locking of the safety rack and the limiting mechanism, improve the safety of equipment and reduce the energy consumption of the protection device during locking.
Description
Technical Field
The utility model relates to the technical field of injection molding equipment, in particular to a mechanical mold locking safety protection device of a two-plate machine and an injection molding machine.
Background
Two trigger, two board injection molding machines promptly, the mode locking device is its indispensable component part for prevent two trigger mode locking under the condition that the emergency exit was opened, avoid unexpected crushing mould, cause the injury even to operating personnel.
The mode locking safety protection device of the two-plate machine generally comprises three types of mechanical type, hydraulic type and electrical type, and compared with the other two types, the mechanical mode locking safety protection device is high in safety and reliability.
The safety rack and the safety toothed plate of the conventional mechanical locking safety protection device cannot realize self-locking, and the safety toothed plate and a clamping groove of the safety rack are meshed to form a spring-open risk.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a two-trigger mechanical locking safety protection device and an injection molding machine, which aims to solve at least one of the above-mentioned technical problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a mechanical locking die safety protection device of a two-plate machine comprises a safety rack, a limiting mechanism and a rack, wherein the limiting mechanism comprises a driving assembly and a safety toothed plate, the driving assembly is rotatably connected with the safety toothed plate and is used for driving the safety toothed plate to be meshed with or loosened from the safety rack, and an included angle of a meshing part of the safety rack and the safety toothed plate is an acute angle; the device further comprises a limit switch, and the limit switch is electrically connected with the driving assembly.
The mechanical locking die safety protection device of the two-plate machine is characterized in that the driving assembly comprises a cylinder fixing support, a cylinder connecting plate rotating shaft, a safety toothed plate rotating shaft nut and a safety toothed plate fixing seat, the cylinder fixing support and the safety toothed plate fixing seat are fixed on an oil groove foot upper seat of an injection molding machine, the cylinder is fixed on the cylinder fixing support and communicated with an air source, the telescopic end of the cylinder fixing support is fixedly connected with the cylinder connecting plate, the cylinder connecting plate is rotatably connected with the safety toothed plate through the cylinder connecting plate rotating shaft, the safety toothed plate is rotatably connected with the safety toothed plate fixing seat through the safety toothed plate rotating shaft, and the safety toothed plate rotating shaft nut is fixed at one end, far away from the safety toothed plate fixing seat, of the safety toothed plate rotating shaft.
In the mechanical locking die safety protection device of the two-plate machine, the limiting mechanism further comprises a sensor and a limiting induction support, the limiting induction support is fixed on the safety toothed plate, and the sensor is fixed on the limiting induction support and used for limiting the limiting mechanism.
In the mechanical locking die safety protection device for the two-plate machine, a strip-shaped hole is formed in the limiting induction support, the limiting induction support is connected to the safety toothed plate in a threaded mode through the strip-shaped hole, one end of the limiting induction support extends out of the safety toothed plate, and the sensor is fixed at the position, extending out of the safety toothed plate, of the limiting induction support.
In the mechanical mold locking safety protection device for the two-plate machine, an electromagnetic air valve is arranged on a connecting pipeline of the air cylinder and the air source, and the electromagnetic air valve is electrically connected with the limit switch.
In the mechanical mold locking safety protection device for the two-plate machine, the safety toothed plate comprises an engaging part and a connecting part, the engaging part and the connecting part are coplanar and arranged at an angle, and the angle is smaller than 180 degrees; the meshing part is rotatably connected with the cylinder connecting plate, and one end of the meshing part is meshed with the safety rack; the connecting part is rotatably connected with the safety tooth plate rotating shaft fixing seat.
An injection molding machine, comprising the mechanical mold locking safety protection device.
Has the advantages that:
the utility model provides a mechanical mold locking safety protection device of a two-plate machine, which can realize self-locking when a safety toothed plate is meshed with a safety toothed plate by setting an included angle at the meshing part of the safety toothed plate and the safety toothed plate to be an acute angle, and avoid accidents caused by the bouncing of the safety toothed plate and the safety toothed plate due to the mold locking action of a movable template.
In addition, the utility model also provides an injection molding machine which is provided with the mechanical mode locking safety protection device, has high reliability and reduces safety accidents caused by failure of the mode locking safety protection device.
Drawings
Fig. 1 is a schematic structural view of the mechanical locking safety protection device of the two-plate machine.
Fig. 2 is a diagram of the mechanical locking mode safety protection device of the two-plate machine in the working state when the front/rear safety door is opened.
Fig. 3 is a working state diagram of the mechanical mode-locking safety protection device of the two-plate machine when the front/rear safety door is closed.
Fig. 4 is a schematic structural view of the injection molding machine.
Description of the main element symbols: 1-safety rack, 2-limiting mechanism, 3-frame, 4-limiting switch, 5-electromagnetic gas valve, 21-driving component, 22-safety toothed plate, 23-limiting induction support, 211-cylinder fixing support, 212-cylinder, 213-cylinder connecting plate, 214-cylinder connecting plate rotating shaft, 215-safety toothed plate rotating shaft, 216-safety toothed plate rotating shaft nut, 217-safety toothed plate fixing seat, 221-meshing part, 222-connecting part, 241-strip hole, 100-mechanical locking die safety protection device, 200-oil groove foot upper seat and 300-front/rear safety door.
Detailed Description
The utility model provides a mechanical mold locking safety protection device of a two-plate machine and an injection molding machine, and in order to make the purpose, technical scheme and effect of the utility model clearer and clearer, the utility model is further described in detail by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 to 3, the utility model provides a mechanical mold locking safety protection device 100 for a two-plate machine, which comprises a safety rack 1, a limiting mechanism 2 and a frame 3, wherein the limiting mechanism 2 comprises a driving assembly 21 and a safety toothed plate 22, the driving assembly 21 is rotatably connected with the safety toothed plate 22 and is used for driving the safety toothed plate 22 to be meshed with or loosened from the safety rack 1, an included angle at the meshing position of the safety rack 1 and the safety toothed plate 22 is an acute angle, so that self-locking between the safety rack 1 and the safety toothed plate 22 can be realized, and safety accidents and the like caused by the fact that the safety toothed plate 22 and the safety rack 1 are bounced off due to mold locking action of a movable mold plate are avoided; the device further comprises a limit switch 4, wherein the limit switch 4 is electrically connected with the driving assembly 21, and further, the limit switch 4 is triggered by the opening and closing of the front/rear safety door 300 of the injection molding machine. Specifically, when the front/rear safety door 300 is closed, the limit switch 4 is pressed, the limit switch 4 is closed, the driving assembly 21 pulls up the safety toothed plate 22 to enable the safety toothed plate to leave the clamping groove on the safety rack 1, and the injection molding machine can perform a mode locking action; when the front/rear safety door 300 is opened, the limit switch 4 is loosened, the limit switch 4 is reset, the driving assembly 21 pushes the safety toothed plate 22 to be clamped on the clamping groove of the safety rack 1, and the injection molding machine can not perform mode locking action; the reliability is high, and the safety of operation is improved.
Further, the driving assembly 21 includes an air cylinder fixing support 211, an air cylinder 212, an air cylinder connecting plate 213, an air cylinder connecting plate rotating shaft 214, a safety toothed plate rotating shaft 215, a safety toothed plate rotating shaft nut 216 and a safety toothed plate fixing seat 217, the air cylinder fixing support 211 and the safety toothed plate fixing seat 217 are fixed on the oil groove foot upper seat 200 of the injection molding machine, the air cylinder 212 is fixed on the air cylinder fixing support 211 and is communicated with an air source, a telescopic end of the air cylinder fixing support is fixedly connected and locked with the air cylinder connecting plate 213, the air cylinder connecting plate 213 and the safety toothed plate 22 are rotatably connected through the air cylinder connecting plate rotating shaft 214, and the safety toothed plate 22 is driven to rotate by the telescopic action of the air cylinder 212, so as to leave or be clamped on the safety toothed bar 1; specifically, a bearing is sleeved on the rotating shaft 214 of the cylinder connecting plate; preferably, the bearing is a rolling bearing; more preferably, the bearing is a deep groove ball bearing, so that the friction coefficient is small, the structure is compact, and the precision is high. The safety tooth plate 22 is further rotatably connected with the safety tooth plate fixing seat 217 through a safety tooth plate rotating shaft 215, and a safety tooth plate rotating shaft nut 216 is fixed at one end, far away from the safety tooth plate fixing seat 217, of the safety tooth plate rotating shaft 215 and used for fixing the safety tooth plate rotating shaft 215. Through the structure that the safety gear plate 22 is respectively connected with the cylinder connecting plate 213, the safety gear plate 22 and the safety gear plate fixing seat 217 in a rotating manner, the safety gear plate 22 and the safety gear 1 can be loosened or meshed in a small range, and the compactness of the equipment structure is improved.
In one embodiment, the limiting mechanism 2 further includes a sensor (not shown in the figure) and a limiting induction bracket 23, the limiting induction bracket 23 is fixed on the safety gear plate 22, the sensor is fixed on the limiting induction bracket 23 and is used for limiting the limiting mechanism 2, and specifically, the sensor is a displacement sensor.
Further, a strip-shaped hole 241 is formed in the limiting induction support 23, the limiting induction support is screwed on the safety toothed plate 22 through the strip-shaped hole 241, one end of the limiting induction support extends out of the safety toothed plate 22, and the sensor is fixed at a position where the limiting induction support 23 extends out of the safety toothed plate 22; through adjusting the connection position of the strip-shaped hole 241 and the safety gear plate 22, the length of the limiting induction bracket 23 extending out of the safety gear plate 22 can be adjusted, so that the position of the sensor is adjusted. In this embodiment, two strip-shaped holes 241 are provided and are arranged in parallel at the lower portion of the limiting induction support 23, so that the installation stability of the limiting induction support 23 is improved.
In order to provide the set automation degree, an electromagnetic air valve 5 is arranged on a connecting pipeline of the air cylinder 212 and an air source, the electromagnetic air valve 5 is electrically connected with the limit switch 4, so that the limit switch 4 is closed, the electromagnetic air valve 5 is electrified to be communicated with an air passage, the air cylinder 212 is ventilated, a piston rod of the air cylinder 212 is contracted, and the safety toothed plate 22 is pulled away from a clamping groove of the safety toothed plate 1; the limit switch 4 resets, the electromagnetic air valve 5 is not electrified, the air cylinder 212 is not electrified, the piston rod of the air cylinder 212 extends out, and the safety toothed plate 22 is clamped on the clamping groove of the safety toothed plate 1.
Specifically, as shown in fig. 3, the safety tooth plate 22 includes an engaging portion 221 and a connecting portion 222, where the engaging portion 221 and the connecting portion 222 are coplanar and disposed at an angle, and the angle is smaller than 180 degrees; the meshing part 221 is rotatably connected with the connecting plate of the air cylinder 212, and one end of the meshing part is meshed with the safety rack 1; the connecting portion 222 is rotatably connected to the rotating shaft fixing seat of the safety gear plate 22, so that the connecting portion 222 of the safety gear plate 22 can be positioned on the fixing seat of the safety gear plate 22, and the engaging portion 221 rotates along with the contraction and extension of the cylinder 212, thereby achieving accurate engagement with the safety gear rack 1.
As shown in fig. 2, when the front/rear safety door 300 is opened, the air cylinder 212 is not vented, the safety toothed plate 22 is automatically clamped in the clamping groove of the safety rack 1 under the action of self gravity, and if the mode locking action occurs at this time, the safety toothed plate 22 is fixed in the clamping groove of the safety rack 1 as long as the movable template moves in the mode locking direction, so that the movable template is prevented from continuously moving in the mode locking direction, and the mode locking safety protection effect is achieved.
As shown in fig. 3, when the front/rear safety door 300 is closed, the air cylinder 212 is vented, and the safety gear plate 22 is pulled up to be away from the clamping groove of the safety gear rack 1, at which time the machine can perform unlocking movement.
Referring to fig. 4, the present invention further provides an injection molding machine, including any one of the above-mentioned mechanical mold-locking safety protection devices 100, which has high safety and reliability, and avoids safety accidents occurring during mechanical mold locking.
It should be understood that the technical solutions and the inventive concepts according to the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.
Claims (7)
1. The mechanical locking die safety protection device for the two-plate machine comprises a safety rack, a limiting mechanism and a rack, and is characterized in that the limiting mechanism comprises a driving assembly and a safety toothed plate, the driving assembly is rotatably connected with the safety toothed plate and used for driving the safety toothed plate to be meshed with or loosened from the safety rack, and an included angle between the meshing part of the safety rack and the safety toothed plate is an acute angle; the device further comprises a limit switch, and the limit switch is electrically connected with the driving assembly.
2. The mechanical lock mold safety protection device for the two-plate machine according to claim 1, wherein the driving assembly comprises a cylinder fixing support, a cylinder connecting plate rotating shaft, a safety toothed plate rotating shaft nut and a safety toothed plate fixing seat, the cylinder fixing support and the safety toothed plate fixing seat are fixed on an oil groove foot upper seat of an injection molding machine, the cylinder is fixed on the cylinder fixing support and communicated with an air source, a telescopic end of the cylinder connecting plate is fixedly connected with the cylinder connecting plate, the cylinder connecting plate is rotatably connected with the safety toothed plate through the cylinder connecting plate rotating shaft, the safety toothed plate is further rotatably connected with the safety toothed plate fixing seat through the safety toothed plate rotating shaft, and the safety toothed plate rotating shaft nut is fixed at one end, away from the safety toothed plate fixing seat, of the safety toothed plate rotating shaft.
3. The mechanical lock mold safety protection device for the two-plate machine according to claim 2, wherein the limiting mechanism further comprises a sensor and a limiting induction bracket, the limiting induction bracket is fixed on the safety tooth plate, and the sensor is fixed on the limiting induction bracket and used for realizing the limiting of the limiting mechanism.
4. The mechanical lock die safety protection device for the two-plate machine according to claim 3, wherein a strip-shaped hole is formed in the limiting induction support, the limiting induction support is connected to the safety toothed plate in a threaded manner through the strip-shaped hole, one end of the strip-shaped hole extends out of the safety toothed plate, and the sensor is fixed at a position where the limiting induction support extends out of the safety toothed plate.
5. The mechanical mold-locking safety protection device for the two-plate machine according to claim 2, wherein an electromagnetic air valve is arranged on a connecting pipeline between the air cylinder and an air source, and the electromagnetic air valve is electrically connected with the limit switch.
6. The mechanical lock mold safety protection device for two-plate machines according to claim 2, wherein the safety toothed plate comprises an engaging portion and a connecting portion, the engaging portion and the connecting portion are coplanar and arranged at an angle, and the angle is less than 180 degrees; the meshing part is rotatably connected with the cylinder connecting plate, and one end of the meshing part is meshed with the safety rack; the connecting part is rotatably connected with the safety tooth plate rotating shaft fixing seat.
7. An injection molding machine comprising the mechanical mold-locking safety device of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167102.0U CN216300069U (en) | 2021-09-08 | 2021-09-08 | Mechanical mold locking safety protection device of two-plate machine and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167102.0U CN216300069U (en) | 2021-09-08 | 2021-09-08 | Mechanical mold locking safety protection device of two-plate machine and injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216300069U true CN216300069U (en) | 2022-04-15 |
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ID=81088316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122167102.0U Active CN216300069U (en) | 2021-09-08 | 2021-09-08 | Mechanical mold locking safety protection device of two-plate machine and injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216300069U (en) |
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2021
- 2021-09-08 CN CN202122167102.0U patent/CN216300069U/en active Active
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