CN210415403U

CN210415403U - Manipulator for injection molding machine

Info

Publication number: CN210415403U
Application number: CN201921395300.9U
Authority: CN
Inventors: 胡锦智
Original assignee: Zhangzhou Jihe Metal Products Co Ltd
Current assignee: Zhangzhou Jihe Metal Products Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-28
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a manipulator for an injection molding machine, which belongs to the technical field of injection molding machines, and the technical scheme is characterized by comprising a clamping device for grabbing a workpiece, a movement device for controlling the clamping device to move and a control device for adjusting and controlling the clamping device, the clamping device comprises a base, a first clamping arm and a second clamping arm which are symmetrically and rotatably connected to the base, a return spring is arranged between the first clamping arm and the second clamping arm and at the position far away from one side of the base, just the pin joint of first arm lock and second arm lock is located between reset spring and the base, controlling means sets up and keeps away from one side of reset spring at the base and is used for making first arm lock and second arm lock be close to each other or keep away from, the utility model discloses have and can conveniently press from both sides the work piece of getting the different grade type, and press from both sides the effect that the process is stable of getting.

Description

Manipulator for injection molding machine

Technical Field

The utility model belongs to the technical field of the injection molding machine, more specifically say that it relates to a manipulator for injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold.

At present, chinese utility model patent that publication number is CN203738799U discloses a manipulator structure in injection molding machine, its including the manipulator that is used for snatching the work piece, make things convenient for the motion of manipulator position removal to and the control mechanism who adjusts and control the manipulator, motion includes horizontal track, sets up the vertical track that is used for adjusting manipulator horizontal position on horizontal track, sets up the adjusting cylinder that is used for adjusting manipulator vertical position on vertical track and sets up the actuating cylinder that drives that is used for driving manipulator work on vertical track with the vertical track of the perpendicular chain that sets up of horizontal track, the manipulator sets up on vertical track, control mechanism sets up on horizontal track.

Similar to the above-mentioned manipulator in the prior art, the manipulator is controlled by a motion mechanism and a control mechanism so as to grab a workpiece. However, the structure of the manipulator for clamping the workpiece with the fingers has a small application range, and cannot be applied to the workpiece needing to be clamped, so that the manipulator is inconvenient, and therefore, the space for improvement is still needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a manipulator for injection molding machine, its advantage lies in can conveniently pressing from both sides the work piece of getting the different grade type, and the clamp is got the process stability.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a manipulator for injection molding machine, gets the device, is used for control including the clamp that is used for snatching the work piece get the device get the movement device that the device removed and be used for getting the controlling means who gets the device and adjust and control, it includes base and symmetry and rotates the connection to get the device and get first arm lock and second arm lock on the base, the position that just is located to keep away from base one side between first arm lock and the second arm lock is provided with reset spring, just the pin joint of first arm lock and second arm lock is located between reset spring and the base, controlling means sets up and keeps away from reset spring's one side at the base and is used for making first arm lock and second arm lock be close to each other.

Through adopting above-mentioned technical scheme, after the mould shaping finishes, at first press from both sides the device by the controlling gripper and remove to the work piece position, first arm lock and second arm lock are in the state of opening under reset spring's effect this moment, then keep away from each other by the one end that controlling gripper control first arm lock and second arm lock are close to the base, the one end that base was kept away from to first arm lock and second arm lock is close to each other this moment, press from both sides the work piece tightly, press from both sides the device by the controlling gripper of moving means again and remove to the region of unloading, controlling means makes first arm lock and second arm lock be in the state of opening again, make the work piece fall to corresponding collection region, realize pressing from.

To sum up, through first arm lock, second arm lock, reset spring and controlling means, can make the device of getting conveniently to get the work piece of getting the different grade type of getting, and get the process stability of getting.

The utility model discloses further set up to: the control device comprises a driving cylinder arranged on one side, far away from the reset spring, of the base and a driving block arranged at the end part of a piston rod of the driving cylinder and used for extending into a space between the first clamping arm and the second clamping arm.

Through adopting above-mentioned technical scheme, when controlling means controls the piston rod and stretches out, the drive block gets into the position between first arm lock and the second arm lock, makes first arm lock and the one end that the second arm lock is close to driving cylinder keep away from each other under the effect of drive block to make first arm lock and the one end that the second arm lock was kept away from driving cylinder close each other, realize the clamping process to the work piece.

The utility model discloses further set up to: one end of the driving block close to the first clamping arm and one end of the second clamping arm are symmetrically provided with guide surfaces, and one ends of the first clamping arm and the second clamping arm close to the driving block are provided with cambered surfaces matched with the guide surfaces.

Through adopting above-mentioned technical scheme, the setting of guide face and cambered surface can make the driving block more stably, conveniently get into between first arm lock and the second arm lock under the mutually supporting of guide face and cambered surface, and the operation that the device was got to messenger's clamp is more stable controllable.

The utility model discloses further set up to: the first clamping arm and the second clamping arm respectively comprise a straight line segment connected with the base and an arc-shaped segment connected with the straight line segment, and two ends, far away from the straight line segment, of the arc-shaped segments bend towards the direction close to each other.

Through adopting above-mentioned technical scheme, the setting of straightway and segmental arc can utilize the crooked shape of segmental arc, increases to press from both sides the clamp of getting the device and gets the space, and can adapt to the work piece of equidimension and shape not, increases to press from both sides the application scope of getting the device.

The utility model discloses further set up to: the base is provided with a protective cover covering the outer side of the straight line section.

Through adopting above-mentioned technical scheme, the setting of protection casing can prevent that external force from causing direct damage to the inner structure of getting the device to can prolong the life of getting the device.

The utility model discloses further set up to: two one side that the segmental arc is close to each other all is provided with the adaptation piece, be provided with a plurality of regulating spring between adaptation piece and the segmental arc.

Through adopting above-mentioned technical scheme, adaptation piece and adjusting spring's setting can make the clamp get the device and press from both sides the in-process of getting the work piece, through adjusting spring's effect, adapts to the work piece of equidimension and shape not, makes all kinds of work pieces can both obtain the most suitable clamp force, can increase from this and get the stability of getting the device.

The utility model discloses further set up to: the surface of the adaptation block is provided with a buffer layer.

Through adopting above-mentioned technical scheme, the setting of buffer layer can reduce the frictional force between work piece and the adaptation piece to reduce the wearing and tearing of adaptation piece and work piece, increase the work piece yields and the life of device is got to the extension clamp.

The utility model discloses further set up to: the one end symmetry that controlling means was kept away from to the base is provided with changes the hole, be provided with a plurality of mounting holes that correspond with changeing the hole on first arm lock and the second arm lock, just first arm lock and second arm lock pass through bolt threaded connection and change downtheholely.

Through adopting above-mentioned technical scheme, the setting of a plurality of mounting holes on first arm lock and the second arm lock can correspond with the commentaries on classics hole through the mounting hole that makes different positions to the length of device is got to the regulation clamp, solves the demand to different operating modes.

To sum up, the utility model has the advantages of it is following:

1. through the first clamping arm, the second clamping arm, the return spring and the control device, the clamping device can conveniently clamp workpieces of different types, and the clamping process is stable;

2. the arrangement of the guide surface and the cambered surface can ensure that the driving block can enter between the first clamping arm and the second clamping arm more stably and conveniently under the mutual matching of the guide surface and the cambered surface, so that the operation of the clamping device is more stable and controllable;

3. the arrangement of the adaptive block and the adjusting spring can enable the clamping device to adapt to workpieces of different sizes and shapes under the action of the adjusting spring in the process of clamping the workpieces, so that all kinds of workpieces can obtain the most appropriate clamping force, and the stability of the clamping device can be improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the gripping device in the present embodiment;

fig. 3 is an exploded view of the gripping device in this embodiment.

Description of reference numerals: 1. a machine platform; 2. a gripping device; 3. a motion device; 4. a control device; 21. a base; 22. a first clamp arm; 23. a second clamp arm; 24. a return spring; 25. a cambered surface; 26. a straight line segment; 27. an arc-shaped section; 28. an adaptation block; 41. a driving cylinder; 42. a drive block; 43. a guide surface; 211. hole turning; 212. mounting holes; 213. a bolt; 214. a protective cover; 281. adjusting the spring; 282. a buffer layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A manipulator for an injection molding machine is shown in fig. 1 and comprises a machine table 1, a clamping device 2 used for grabbing a workpiece, a moving device 3 used for controlling the clamping device 2 to move, and a control device 4 used for adjusting and controlling the clamping device 2.

As shown in fig. 2, the gripping device 2 includes a base 21, and a first clamping arm 22 and a second clamping arm 23 that are symmetrically hinged to the base 21, a return spring 24 is fixedly connected between the first clamping arm 22 and the second clamping arm 23 and located at a position away from one side of the base 21, a hinge point of the first clamping arm 22 and the second clamping arm 23 is located between the return spring 24 and the base 21, the return spring 24 is in a compressed state in a normal state, portions of the first clamping arm 22 and the second clamping arm 23 away from the hinge point are away from each other under the action of the return spring 24, and the control device 4 is installed at one side of the base 21 away from the return spring 24 and is used for making the first clamping arm 22 and the second clamping arm 23 approach to each other or separate from.

As shown in fig. 2 and 3, the control device 4 includes a driving cylinder 41 fixedly installed on one side of the base 21 away from the return spring 24, and a driving block 42 fixed on the end of the piston rod of the driving cylinder 41 and extending between the first clamping arm 22 and the second clamping arm 23. When the driving cylinder 41 controls the piston rod to extend, the driving block 42 enters a position between the first clamping arm 22 and the second clamping arm 23, so that one ends of the first clamping arm 22 and the second clamping arm 23, which are close to the driving cylinder 41, are away from each other under the action of the driving block 42, and thus one ends of the first clamping arm 22 and the second clamping arm 23, which are away from the driving cylinder 41, are close to each other, and the clamping process of the workpiece is realized.

Furthermore, the driving block 42 has a pair of inclined guide surfaces 43 symmetrically formed at one end of the driving block close to the first arm 22 and the second arm 23, the ends of the guide surfaces 43 close to the first arm 22 are close to each other, and the arc surfaces 25 engaged with the guide surfaces 43 are formed at the end of the first arm 22 opposite to the second arm 23 and close to the driving block 42. The arrangement of the guide surface 43 and the arc surface 25 enables the driving block 42 to enter between the first clamping arm 22 and the second clamping arm 23 more stably and conveniently under the mutual matching of the guide surface 43 and the arc surface 25, so that the operation of the clamping device 2 is more stable and controllable.

As shown in fig. 2 and 3, each of the first clamping arm 22 and the second clamping arm 23 includes a straight line section 26 connected to the base 21 and an arc section 27 connected to the straight line section 26, and ends of the two arc sections 27 far away from the straight line section 26 are bent toward directions approaching each other, so that the curved shape of the arc section 27 can be utilized by the straight line section 26 and the arc section 27, the clamping space of the clamping device 2 is increased, and the clamping device can adapt to workpieces with different sizes and shapes, and the application range of the clamping device 2 is increased.

Further, adaptation piece 28 is all installed to the one side that two segmental arcs 27 are close to each other, and a plurality of adjusting spring 281 of fixedly connected with between adaptation piece 28 and the segmental arc 27, can make the clamp device 2 press from both sides the in-process of getting the work piece through adaptation piece 28 and adjusting spring 281, through the effect of adjusting spring 281, adapts to the work piece of different sizes and shape, makes all kinds of work pieces can both obtain the most suitable clamp force, can increase from this and press from both sides the stability of getting device 2.

As shown in fig. 2 and 3, the surface of the adaptive block 28 is covered with a buffer layer 282 made of polyurethane material. The polyurethane material has good buffering power and smooth surface, can reduce the frictional force between the work piece and the adaptation piece 28 to reduce the wearing and tearing of adaptation piece 28 and work piece, increase the work piece yields and prolong the life of getting device 2.

As shown in fig. 2 and 3, a rotation hole 211 is symmetrically formed in one end of the base 21, which is far away from the control device 4, the first clamping arm 22 and the second clamping arm 23 have a plurality of mounting holes 212 corresponding to the rotation hole 211 along the length direction of the straight-line segment 26, in this embodiment, the number of the mounting holes 212 is two, the first clamping arm 22 and the second clamping arm 23 are rotatably connected in the rotation hole 211 through a bolt 213, the end of the bolt 213 is in threaded connection with the base, and a smooth segment is formed between the end of the bolt 213 and a nut, the mounting holes 212 at different positions can be corresponding to the rotation hole 211 through the mounting holes 212 in the first clamping arm 22 and the second clamping arm 23, so as to adjust the length of the clamping device 2, and meet the requirements for different working conditions.

As shown in fig. 2 and 3, the base 21 is provided with a protective cover 214 covering the outside of the straight line segment 26, so that the protective cover 214 can prevent the internal structure of the gripping device 2 from being directly damaged by external force, and the service life of the gripping device 2 can be prolonged.

The utility model discloses a working process and beneficial effect as follows: after the die is formed, the moving device 3 controls the clamping device 2 to move to the workpiece position, at this time, the first clamping arm 22 and the second clamping arm 23 are in an open state under the action of the return spring 24, then the control device 4 controls the piston rod of the driving cylinder 41 to extend out, so that the driving block 42 enters between the first clamping arm 22 and the second clamping arm 23, thereby enabling one ends of the first clamping arm 22 and the second clamping arm 23, which are close to the base 21, to be away from each other, at this time, one ends of the first clamping arm 22 and the second clamping arm 23, which are far from the base 21, to be close to each other, so as to clamp the workpiece, then the moving device 3 controls the clamping device 2 to move to the unloading area, the control device 4 enables the first clamping arm 22 and the second clamping arm 23 to be in an open state again, so that the.

In summary, the first and second clamping

arms

22 and 23, the return spring 24 and the control device 4 can make the clamping device 2 conveniently clamp different types of workpieces, and the clamping process is stable.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A manipulator for injection molding machine, including a clamping device (2) for grasping a workpiece, a moving device (3) for controlling the movement of the clamping device (2), and a control device (4) for adjusting and controlling the clamping device (2), characterized in that: press from both sides and get device (2) and include base (21) and symmetry and rotate the connection and be in first arm lock (22) and second arm lock (23) on base (21), just be located the position of keeping away from base (21) one side between first arm lock (22) and second arm lock (23) and be provided with reset spring (24), just the pin joint of first arm lock (22) and second arm lock (23) is located between reset spring (24) and base (21), controlling means (4) set up and keep away from one side of reset spring (24) and be used for making first arm lock (22) and second arm lock (23) be close to each other or keep away from each other in base (21).

2. The manipulator according to claim 1, wherein: the control device (4) comprises a driving cylinder (41) arranged on one side, far away from the return spring (24), of the base (21) and a driving block (42) arranged at the end part of a piston rod of the driving cylinder (41) and used for extending into a space between the first clamping arm (22) and the second clamping arm (23).

3. The manipulator according to claim 2, wherein: one end of the driving block (42) close to the first clamping arm (22) and one end of the second clamping arm (23) are symmetrically provided with guide surfaces (43), and one ends of the first clamping arm (22) and the second clamping arm (23) close to the driving block (42) are provided with arc surfaces (25) matched with the guide surfaces (43).

4. The manipulator according to claim 1, wherein: the first clamping arm (22) and the second clamping arm (23) respectively comprise a straight line segment (26) connected with the base (21) and an arc-shaped segment (27) connected with the straight line segment (26), and two ends, far away from the straight line segment (26), of the arc-shaped segments (27) are bent towards the direction close to each other.

5. The manipulator according to claim 4, wherein: the base (21) is provided with a protective cover (214) covering the outer side of the straight line section (26).

6. The manipulator according to claim 4, wherein: two one side that segmental arc (27) are close to each other all is provided with adaptation piece (28), be provided with a plurality of regulating spring (281) between adaptation piece (28) and segmental arc (27).

7. The manipulator according to claim 6, wherein: the surface of the adaptation piece (28) is provided with a buffer layer (282).

8. The manipulator according to claim 1, wherein: one end of the base (21) far away from the control device (4) is symmetrically provided with a rotary hole (211), a plurality of mounting holes (212) corresponding to the rotary hole (211) are formed in the first clamping arm (22) and the second clamping arm (23), and the first clamping arm (22) and the second clamping arm (23) are connected in the rotary hole (211) through bolts (213) in a threaded mode.