CN221089792U - Limiting device for hydraulic motor in injection mold - Google Patents
Limiting device for hydraulic motor in injection mold Download PDFInfo
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- CN221089792U CN221089792U CN202322740793.8U CN202322740793U CN221089792U CN 221089792 U CN221089792 U CN 221089792U CN 202322740793 U CN202322740793 U CN 202322740793U CN 221089792 U CN221089792 U CN 221089792U
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- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 124
- 230000033001 locomotion Effects 0.000 claims abstract description 30
- 238000001746 injection moulding Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a limiting device for a hydraulic motor in an injection mold, which relates to the technical field of injection molding, and the technical scheme is that the limiting device comprises a transmission mechanism which is linked with a motor shaft of the hydraulic motor; the movable piece is linked with the transmission mechanism; the first limiting piece is arranged at one end of the stroke corresponding to the reciprocating motion of the movable piece, and one side of the first limiting piece is provided with a first transmission piece; the second limiting piece is arranged at the other end of the stroke corresponding to the reciprocating motion of the movable piece, and one side of the second limiting piece is provided with a second transmission piece; the first transmission piece and the second transmission piece are electrically connected with the injection molding machine. The limiting device has the beneficial effects that the first screw rod is used as a reciprocating carrier of the movable piece, the limiting pieces are respectively arranged at the end positions of the movement stroke of the movable piece, the first limiting pieces and the second limiting pieces limit the movement range of the movable piece, the transmission pieces are arranged at the side parts of the limiting pieces, and the first transmission pieces and the second transmission pieces are protected through the first limiting pieces and the second limiting pieces, so that excessive displacement of the movable piece is avoided.
Description
Technical Field
The utility model relates to the field of injection molding, in particular to a limiting device for a hydraulic motor in an injection mold.
Background
In injection molds, screw-type products or some special structures require the use of hydraulic motors, the power of which comes from the high-pressure oil of the injection molding machine. In the injection mold, the hydraulic motor is often controlled by time, and is lack of forced limiting, so that the structure is easy to be overloaded and blocked. The reason for this problem is mainly that after the injection molding machine stops supplying oil, the motor still rotates under the action of inertia, and the torque force generated at this time can lead the mold structure to bear overload pressure and cause the mold structure to be blocked.
Disclosure of utility model
Aiming at one of the defects in the prior art, the utility model provides a limiting device for a hydraulic motor in an injection mold, which solves the problem of limiting the working state of the hydraulic motor in the injection mold.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a stop device for a hydraulic motor in an injection mold, comprising:
The transmission mechanism is linked with a motor shaft of the hydraulic motor and inputs the power of the hydraulic motor to the limiting device;
the movable piece is linked with the transmission mechanism and can reciprocate under the drive of the transmission mechanism;
The first limiting piece is arranged at one end of the stroke corresponding to the reciprocating motion of the movable piece, and one side of the first limiting piece is provided with a first transmission piece;
The second limiting piece is arranged at the other end of the stroke corresponding to the reciprocating motion of the movable piece, and one side of the second limiting piece is provided with a second transmission piece;
The first transmission piece and the second transmission piece are electrically connected with the injection molding machine, and the first transmission piece and the second transmission piece form a control loop for the on-off of an oil supply circuit of the hydraulic motor of the injection molding machine.
Preferably, the transmission mechanism includes:
the first transmission part is linked with a motor shaft of the hydraulic motor and used for leading out the power of the hydraulic motor;
And the second transmission part is linked with the first transmission part and the movable part and used for driving the movable part to reciprocate.
Preferably, the reciprocating motion of the movable piece is linear reciprocating motion, and the first limiting piece and the second limiting piece are respectively arranged at two ends of the linear motion stroke of the movable piece; when the movable piece moves to the stroke end, the movable piece approaches to the first limiting piece or the second limiting piece.
Preferably, the movable member includes:
the motion part is linked with the second transmission part and is driven by the second transmission part to perform linear reciprocating motion;
And the triggering part is fixedly connected with the moving part, is arranged corresponding to the first transmission part and the second transmission part and is used for exciting control signals of the first transmission part and the second transmission part.
Preferably, the first transmission part is a gear transmission combination; comprising the following steps:
the driving wheel is coaxially and fixedly connected with a motor shaft of the hydraulic motor;
And the output wheel is linked with the driving wheel and is used for outputting power to the second transmission part.
Preferably, the second transmission part includes:
The first screw rod is coaxial with the output wheel and is fixedly connected with the output wheel; the first screw rod is in threaded connection with the moving part;
The side plate is fixedly arranged on the side part of the first screw rod, a guide groove is formed in one side, facing the moving part, of the side plate, the guide groove extends along the length direction of the first screw rod, and the moving part comprises a guide block in sliding connection with the guide groove; the first limiting piece and the second limiting piece are respectively and fixedly arranged on the side plates.
Preferably, the first screw rod is sleeved with the first limiting piece and the second limiting piece and is in rotary connection with the first limiting piece and the second limiting piece;
the movable piece is located between the first limiting piece and the second limiting piece.
Preferably, the first transmission member and the second transmission member are both travel switches.
Preferably, the method further comprises:
The first adjusting component comprises at least one sliding rail, the length direction of the sliding rail is perpendicular to the length direction of the first screw rod, the side plate is in sliding connection with the sliding rail, and the side plate can move on the sliding rail towards or away from the hydraulic motor.
Preferably, the method further comprises:
a second adjustment assembly comprising:
the adjusting groove is formed in the side plate, the second limiting piece is connected with the side plate through the adjusting groove, and the second limiting piece can adjust the distance between the second limiting piece and the first limiting piece through the adjusting groove.
The axis of the adjusting rod is parallel to the axis of the first screw rod, and the second transmission piece is arranged on the adjusting rod.
Compared with the prior art, the method has the following beneficial effects: the limiting device is characterized in that a first screw rod is used as a reciprocating carrier of a movable piece, a first limiting piece and a second limiting piece are respectively arranged at the end part of the movement stroke of the movable piece, the movement range of the movable piece is limited by the first limiting piece and the second limiting piece, a first transmission piece and a second transmission piece are arranged at the side parts of the first limiting piece and the second limiting piece, and the first transmission piece and the second transmission piece are protected through the first limiting piece and the second limiting piece, so that excessive displacement of the movable piece is avoided. The limiting device can greatly enhance the use safety of the die, effectively prevent the transmission piece and the structure from being blocked due to the collision caused by the coming movement of the hydraulic motor in the working process, and prolong the service life of the die.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of a second embodiment of the present application;
fig. 3 is a partial enlarged view of a of fig. 1.
In the figure:
100. A hydraulic motor; 1. a transmission mechanism; 11. a first transmission part; 12. a second transmission part; 121. a first screw rod; 122. a side plate; 2. a movable member; 21. a movement section; 22. a trigger part; 3. a first limiting member; 4. a second limiting piece; 5. a first transmission member; 6. a second transmission member; 7. a first adjustment assembly; 71. a slide rail; 8. a second adjustment assembly; 81. an adjustment tank; 82. and (5) adjusting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present application provides the following technical solutions:
A limiting device for a hydraulic motor in an injection mold comprises a transmission mechanism 1, a movable part 2, a limiting part and a transmission part. Wherein the transmission mechanism 1 is linked with the motor shaft of the hydraulic motor 100, and inputs the power of the hydraulic motor 100 to the limiting device. The movable piece 2 is linked with the transmission mechanism 1 and can reciprocate under the drive of the transmission mechanism 1. The limiting members comprise a first limiting member 3 and a second limiting member 4, and the transmission members comprise a first transmission member 5 and a second transmission member 6. The first limiting piece 3 is arranged at one end of the stroke corresponding to the reciprocating motion of the movable piece 2, and a first transmission piece 5 is arranged at one side of the first limiting piece 3; the second limiting piece 4 is arranged at the other end of the stroke corresponding to the reciprocating motion of the movable piece 2, and a second transmission piece 6 is arranged on one side of the second limiting piece 4. The first transmission piece 5 and the second transmission piece 6 are electrically connected with the injection molding machine, and the first transmission piece 5 and the second transmission piece 6 form a control loop for the injection molding machine to switch on and off an oil supply circuit of the hydraulic motor 100.
Through the structure of the device, the first transmission part 5 and the second transmission part 6 are respectively excited by the reciprocating motion of the movable part 2, so as to control the oil way of the injection molding machine and change the oil supply working state of the hydraulic motor 100. The stroke of the movable part 2 is limited by the first limiting part 3 and the second limiting part 4, the movable part 2 can be ensured to move in a required range under the limitation of the first limiting part 3 and the second limiting part 4, and the first transmission part 5 and the second transmission part 6 are prevented from being damaged due to excessive movement of the movable part 2 caused by the inertia of the hydraulic motor 100. Meanwhile, the problem that the structure of the injection molding machine is blocked can be avoided.
On the basis of the above embodiment, the transmission 1 comprises a first transmission part 11 and a second transmission part 12. Wherein the first transmission part 11 is linked with a motor shaft of the hydraulic motor 100 and is used for leading out the power of the hydraulic motor 100; in this embodiment, the first transmission part 11 adopts a gear transmission combination; comprises a driving wheel which is coaxially and fixedly connected with a motor shaft of the hydraulic motor 100. And an output wheel engaged with the driving wheel for outputting power to the second transmission portion 12. The first transmission part 11 may be a combination of a belt and a pulley, or other transmission forms, as long as the power that can be led out of the hydraulic motor 100 is satisfied.
The second transmission part 12 is linked with the first transmission part 11 and the movable part 2 and is used for driving the movable part 2 to reciprocate. The reciprocating motion of the movable piece 2 is linear reciprocating motion, and the first limiting piece 3 and the second limiting piece 4 are respectively arranged at two ends of the linear motion stroke of the movable piece 2; when the movable member 2 moves to the end of its stroke, it approaches the first stopper 3 or the second stopper 4.
On the basis of the above embodiment, the movable member 2 includes the moving portion 21, and the moving portion 21 is linked with the second transmission portion 12, and is linearly reciprocated by the second transmission portion 12. The movable part 2 further comprises a triggering part 22, the triggering part 22 is fixedly connected with the moving part 21, and the triggering part 22 is arranged corresponding to the first transmission part 5 and the second transmission part 6 and is used for exciting control signals of the first transmission part 5 and the second transmission part 6.
The first transmission piece 5 and the second transmission piece 6 can send control signals to an oil circuit system of the injection molding machine, and the scheme adopts a contact type travel switch as a specific implementation mode of the first transmission piece 5 and the second transmission piece 6. In the present embodiment, the triggering portion 22 is a striker that can collide with the first transmission member 5 and the second transmission member 6. However, the implementation of the present embodiment is not limited to this form, and a common sensor device such as a hall element may be used as the implementation structure of the first transmission member 5 and the second transmission member 6.
On the basis of the above embodiment, the second transmission part 12 includes a first screw rod 121, and the first screw rod 121 is coaxially and fixedly connected with the output wheel; the first screw rod 121 is screw-coupled to the moving part 21. A side plate 122 is symmetrically and fixedly arranged on two sides of the first screw rod 121, a guide groove is formed in one side, facing the moving part 21, of the side plate 122, the guide groove extends along the length direction of the first screw rod 121, and the moving part 21 comprises a guide block in sliding connection with the guide groove; the first limiting member 3 and the second limiting member 4 are fixedly arranged on the side plate 122 respectively.
The first screw rod 121 is sleeved with the first limiting piece 3 and the second limiting piece 4 and is in rotary connection with the first limiting piece; the first limiting piece 3 and the second limiting piece 4 are used as installation seats of the first screw rod 121 at the same time. The movable member 2 is located between the first limiting member 3 and the second limiting member 4.
On the basis of the above embodiment, the present solution further includes a first adjusting assembly 7, where the first adjusting assembly 7 includes two parallel sliding rails 71, the length direction of the sliding rails is perpendicular to the length direction of the first screw rod 121, two side plates 122 are slidably connected to one sliding rail 71 respectively, and the side plates 122 can move on the sliding rails 71 toward or away from the hydraulic motor 100. The sliding rail 71 is preset with a plurality of mounting holes for fixing the position of the side plate 122 on the sliding rail 71.
Since it is considered that the rotational speed of the first screw 121 may need to be adjusted in order to achieve control of the movable member 2 at different times, other gear combinations are provided between the output wheel and the driving wheel, or the driving wheel and the output wheel using different wheel diameters are selected to achieve. In this case, an adaptive change in the distance between the first screw 121 and the hydraulic motor 100 is required, which can be conveniently implemented by the first adjusting assembly 7. Because the timing control of the hydraulic motor 100 does not require diversified adjustments, it is often a few fixed time units in actual operation, so several fixed mounting positions are preset on the slide rail 71, and corresponding gear sets are prefabricated at the same time.
On the basis of the above embodiment, the second adjusting component 8 is further included, the second adjusting component 8 includes an adjusting groove 81, the adjusting groove 81 is formed in the side plate 122, the second limiting piece 4 is connected with the side plate 122 through the adjusting groove 81, and the second limiting piece 4 can adjust the distance between the second limiting piece 4 and the first limiting piece 3 through the adjusting groove 81. The device also comprises an adjusting rod 82, wherein the axis of the adjusting rod 82 is parallel to the axis of the first screw rod 121, and the second transmission member 6 is arranged on the adjusting rod 82. In this embodiment, the adjusting rod 82 is also a screw rod, which is rotatably disposed on one side of the side plate and is screwed to the second transmission member 6. The rotation of the second transmission member 6 can be prevented by fixing it by hand while rotating the adjustment lever 82, thereby changing the position height of the second transmission member 6.
As with the problems considered in the previous embodiment, in actual operation, different restrictions may need to be placed on the operating time of the hydraulic motor 100, so that adjustability of this function needs to be satisfied. The present embodiment is realized by changing the height positions of the second limiting member 4 and the second transmission member 6.
On the basis of the above embodiment, as a further supplement to the above embodiment, a mounting block is provided on one side of the side plate 122 corresponding to the second transmission member 6, the mounting block is rotatably connected with the adjusting rod 82, and a sliding groove is provided on one side of the mounting block facing the second transmission member 6, and the second transmission member 6 is slidably connected with the sliding groove while being in threaded connection with the adjusting rod 82. By this structure, the position adjustment of the second transmission member 6 can be achieved by only rotating the adjustment lever 82, and the second transmission member 6 is not required to be held by hand.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A stop device for a hydraulic motor in an injection mold, comprising:
The transmission mechanism (1) is linked with a motor shaft of the hydraulic motor (100) and inputs the power of the hydraulic motor (100) to the limiting device;
The movable piece (2) is linked with the transmission mechanism (1) and can reciprocate under the drive of the transmission mechanism (1);
The first limiting piece (3) is arranged at one end of the reciprocating motion corresponding stroke of the movable piece (2), and a first transmission piece (5) is arranged at one side of the first limiting piece (3);
The second limiting piece (4) is arranged at the other end of the stroke corresponding to the reciprocating motion of the movable piece (2), and a second transmission piece (6) is arranged at one side of the second limiting piece (4);
The first transmission piece (5) and the second transmission piece (6) are electrically connected with the injection molding machine, and the first transmission piece (5) and the second transmission piece (6) form a control loop for the on-off of an oil supply circuit of the hydraulic motor (100) by the injection molding machine.
2. A stop device for a hydraulic motor in an injection mould according to claim 1, characterized in that the transmission (1) comprises:
A first transmission part (11) which is linked with a motor shaft of the hydraulic motor (100) and is used for leading out the power of the hydraulic motor (100);
And the second transmission part (12) is linked with the first transmission part (11) and the movable part (2) and is used for driving the movable part (2) to reciprocate.
3. The limiting device for the hydraulic motor in the injection mold according to claim 1, wherein the reciprocating motion of the movable member (2) is linear reciprocating motion, and the first limiting member (3) and the second limiting member (4) are respectively arranged at two ends of the linear motion stroke of the movable member (2); when the movable part (2) moves to the stroke end, the movable part is close to the first limiting part (3) or the second limiting part (4).
4. A stop for a hydraulic motor in an injection mould according to claim 2, characterized in that said moving part (2) comprises:
A movement part (21) which is linked with the second transmission part (12) and carries out linear reciprocating movement under the drive of the second transmission part (12);
The trigger part (22) is fixedly connected with the motion part (21), and the trigger part (22) is arranged corresponding to the first transmission piece (5) and the second transmission piece (6) and is used for exciting control signals of the first transmission piece (5) and the second transmission piece (6).
5. A limiting device for a hydraulic motor in an injection mould according to claim 4, characterized in that the first transmission (11) is a gear transmission combination; comprising the following steps:
the driving wheel is coaxially and fixedly connected with a motor shaft of the hydraulic motor (100);
And the output wheel is linked with the driving wheel and is used for outputting power to the second transmission part (12).
6. The limiting device for a hydraulic motor in an injection mold according to claim 5, wherein the second transmission portion (12) comprises:
the first screw rod (121) is coaxial with the output wheel and is fixedly connected with the output wheel; the first screw rod (121) is in threaded connection with the moving part (21);
The side plate (122) is fixedly arranged on the side part of the first screw rod (121), a guide groove is formed in one side, facing the moving part (21), of the side plate (122), the guide groove extends along the length direction of the first screw rod (121), and the moving part (21) comprises a guide block in sliding connection with the guide groove; the first limiting piece (3) and the second limiting piece (4) are respectively and fixedly arranged on the side plate (122).
7. The limiting device for a hydraulic motor in an injection mold according to claim 6, wherein the first screw (121) is in socket joint and rotational connection with the first limiting member (3) and the second limiting member (4);
The movable piece (2) is positioned between the first limiting piece (3) and the second limiting piece (4).
8. A limiting device for a hydraulic motor in an injection mould according to any one of claims 1-7, characterized in that the first (5) and the second (6) transmission members are travel switches.
9. The spacing device for a hydraulic motor in an injection mold of claim 7, further comprising:
The first adjusting assembly (7) comprises at least one sliding rail (71), the length direction of the sliding rail is perpendicular to the length direction of the first screw rod (121), the side plate (122) is in sliding connection with the sliding rail (71), and the side plate (122) can move on the sliding rail (71) towards or away from the hydraulic motor (100).
10. The spacing device for a hydraulic motor in an injection mold of claim 7, further comprising:
a second adjustment assembly (8) comprising:
The adjusting groove (81) is formed in the side plate (122), the second limiting piece (4) is connected with the side plate (122) through the adjusting groove (81), and the second limiting piece (4) can adjust the distance between the second limiting piece and the first limiting piece (3) through the adjusting groove (81);
And the axis of the adjusting rod (82) is parallel to the axis of the first screw rod (121), and the second transmission piece (6) is arranged on the adjusting rod (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740793.8U CN221089792U (en) | 2023-10-12 | 2023-10-12 | Limiting device for hydraulic motor in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322740793.8U CN221089792U (en) | 2023-10-12 | 2023-10-12 | Limiting device for hydraulic motor in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221089792U true CN221089792U (en) | 2024-06-07 |
Family
ID=91326310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322740793.8U Active CN221089792U (en) | 2023-10-12 | 2023-10-12 | Limiting device for hydraulic motor in injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221089792U (en) |
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2023
- 2023-10-12 CN CN202322740793.8U patent/CN221089792U/en active Active
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