CN210552807U

CN210552807U - Automatic demoulding mechanism for long-distance side thread

Info

Publication number: CN210552807U
Application number: CN201921019672.1U
Authority: CN
Inventors: 金晓明; 陈卫; 郭景平; 贾路伟
Original assignee: Jinhua Hongchi Technology Co ltd
Current assignee: Jinhua Hongchi Technology Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-19
Anticipated expiration: 2029-07-02

Abstract

The utility model provides an automatic demoulding mechanism of side long distance screw thread. The problems that a conventional demolding mechanism is long in time for completing one stroke, low in injection molding efficiency and complex in machining process are solved. The utility model discloses an oil motor drive threaded spindle rotates and makes epaxial screw thread of screw thread break away from the back and drive locking slider and threaded spindle through the big slider of oil motor control and remove and make threaded spindle break away from completely with the machined part, has reduced the time that the threaded spindle relied on rotating the business turn over by a wide margin, effectively solves the shortcoming that the threaded spindle is easily stung to die, easily wearing and tearing, has improved production efficiency, has reduced the processing degree of difficulty.

Description

Automatic demoulding mechanism for long-distance side thread

Technical Field

The utility model belongs to the technical field of the mould is made, in particular to side long distance screw thread automatic demoulding mechanism.

Background

In current mould processing, the product ejecting completion drawing of patterns of accomplishing of processing through demoulding mechanism in the mould, demoulding mechanism are mostly spring, oil motor or hydro-cylinder interlock's structure, and the spring provides outside drawing of patterns power during the die sinking, and the oil motor is rotatory to be demolded, accomplishes the drawing of patterns.

The existing demoulding mechanism is easy to wear and tear to cause gear seizure in the actual use process of the threaded shaft and the gear sleeve, the rotation of the threaded shaft is used for controlling the demoulding mechanism to go in and out, the time for completing one stroke is long, the injection molding efficiency is low, the processing process is complicated, the precision required by the demoulding mechanism is high, the installation is inconvenient, and the prior art has the improved part.

Disclosure of Invention

The utility model discloses to foretell not enough provide an automatic demoulding mechanism of higher side long distance screw thread of efficiency of moulding plastics.

The utility model provides a side long distance screw thread automatic demoulding mechanism, its characterized in that with, including a screw thread axle, oil motor, locking slider, big slider and hydro-cylinder, the oil motor passes through a drive mechanism drive screw thread axle and rotates, its characterized in that, one section screw thread has been seted up on the outer peripheral face of screw thread axle one end, the other end of screw thread axle passes big slider and is connected with a locking slider, the fixed connecting rod that is provided with of the other end of screw thread axle, the fixed swivel becket that is provided with of one end of connecting rod, set up the mounting groove that is used for installing the swivel becket in the locking slider, the hydro-cylinder can drive big slider along screw thread axle axial displacement and drive screw thread axle along its axial displacement through big slider, set up the appearance chamber that is used for installing locking slider in the big slider in the slider, the one.

Preferably, the transmission mechanism comprises a three-stage transmission gear, a two-stage transmission gear and a one-stage transmission gear, the three-stage transmission gear is fixedly arranged on the threaded shaft, the one-stage transmission gear is fixedly arranged on a rotating shaft of the oil motor, and the two-stage transmission gear is always meshed with the three-stage transmission gear and the one-stage transmission gear.

Preferably, the threaded shaft is provided with a clamping groove, and one end of the clamping groove is used for mounting the three-stage transmission gear.

Preferably, the length of the locking slider plus the length of the thread is equal to the length of the cavity.

Preferably, the large sliding block is provided with a through hole, a connecting rod is fixedly arranged in the through hole, an annular groove is formed in the outer peripheral surface of the threaded shaft, the width of the annular groove is larger than that of the connecting rod, and the width of the annular groove minus the width of the connecting rod is equal to the length of the accommodating cavity minus the length of the locking sliding block.

Preferably, a positioning bearing and a movable bearing are sleeved on the threaded shaft.

Preferably, the threaded shaft is sleeved with a spring and located on the left side of the positioning bearing, and the right side of the spring is attached to the left end face of the positioning bearing.

Preferably, the thickness of the secondary transmission gear is larger than that of the tertiary transmission gear, and the thickness of the secondary transmission gear minus the thickness of the tertiary transmission gear is larger than the width of the annular groove minus the width of the connecting rod.

The utility model discloses an oil motor drive threaded spindle rotates and makes epaxial screw thread of screw thread break away from the back and drive locking slider and threaded spindle through the big slider of oil motor control and remove and make threaded spindle break away from completely with the machined part, has reduced the time that the threaded spindle relied on rotating the business turn over by a wide margin, effectively solves the shortcoming that the threaded spindle is easily stung to die, easily wearing and tearing, has improved production efficiency, has reduced the processing degree of difficulty.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. a threaded shaft; 2. a three-stage transmission gear; 3. a secondary transmission gear; 4. a primary transmission gear; 5. positioning the bearing; 6. a movable bearing; 7. a large slider; 8. locking the sliding block; 9. a connecting rod; 10. an oil motor; 11. a spring; 12. a thread; 13. a transmission mechanism; 14. a cavity; 15. a through hole; 16. an annular groove; 17. a card slot; 18. mounting grooves; 19. a rotating ring; 20. a connecting rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the automatic demoulding mechanism with long-distance side thread comprises a thread shaft 1, an oil motor 10, a locking slider 8, a large slider 7 and an oil cylinder, wherein the oil motor 10 drives the thread shaft 1 to rotate through a transmission mechanism 13, and is characterized in that a section of thread 12 is formed on the outer peripheral surface of the left end of the thread shaft 1, the right side of the thread shaft 1 is provided with the locking slider 8, the right end of the thread shaft 1 is movably arranged in the locking slider 8, the large slider 7 is sleeved on the thread shaft 1 and is located between the locking slider 8 and the left end of the thread shaft 1, the oil cylinder can drive the large slider 7 to move towards the right end or the left end of the thread shaft 1, and the large slider 7 is provided with a containing cavity 14 for installing the locking slider. When the mold is used for injection molding, materials are wrapped on the periphery of threads at the left end of a threaded shaft 1, an oil motor 10 drives the threaded shaft 1 to rotate through a transmission mechanism 13 after injection molding is completed, the threaded shaft 1 is in threaded connection with an injection molding part, the threaded shaft 1 moves towards the right side of the threaded shaft 1 through a matched thread 12 when rotating, so that the threaded shaft 1 is separated from the injection molding part, an oil cylinder drives a large sliding block 7 to keep away from the injection molding part after the threaded shaft 1 is separated from the injection molding part, the large sliding block 7 drives the threaded shaft 1 to keep away from the injection molding part through a locking sliding block 8, compared with the original mode that the threaded shaft 1 is driven to rotate to separate from the injection molding part completely by the oil motor 10, the mechanism firstly drives the threaded shaft 1 to rotate, so that the joint of the threaded shaft 1 and the injection molding part is separated, the time of the threaded shaft 1 in and.

And a clamping groove 17 with one end used for mounting the three-stage transmission gear 2 is formed in the threaded shaft 1. During installation, the three-stage transmission gear 2 is only required to be aligned to the clamping groove 17 on the threaded shaft 1 to complete assembly, and the installation is convenient and rapid.

The threaded shaft 1 is sleeved with the positioning bearing 5 and the movable bearing 6, so that the stability of the threaded shaft 1 in the displacement process is ensured, and the demolding process is stable and reliable.

As shown in fig. 2, the transmission mechanism 13 includes a third-stage transmission gear 2, a second-stage transmission gear 3 and a first-stage transmission gear 4, the third-stage transmission gear 2 is fixedly disposed on the threaded shaft 1, the first-stage transmission gear 4 is fixedly disposed on the rotating shaft of the oil motor 10, the second-stage transmission gear 3 is always engaged with the third-stage transmission gear 2 and the first-stage transmission gear 4, the thickness of the second-stage transmission gear 3 is greater than that of the third-stage transmission gear 2, and the thickness of the second-stage transmission gear 3 minus the thickness of the third-stage transmission gear 2 is greater than that of the annular. The rotary threaded shaft 1 can be displaced in the horizontal direction in the demolding process, the secondary transmission gear 3 with the large thickness can ensure that the three-stage transmission gear 2 is always meshed with the secondary transmission gear 3 in the displacement process of the threaded shaft 1, and the situation that the three-stage transmission gear 2 is separated from the secondary transmission gear 3 after the threaded shaft 1 is displaced and the teeth are clamped in the mold closing process is avoided.

The right-hand member of threaded shaft 1 is fixed and is provided with a connecting rod 20, and the one end of connecting rod 20 is fixed and is provided with a rotating ring 19, and locking slide 8 is last to offer the mounting groove 18 that is used for installing rotating ring 19, and threaded shaft 1 rotates and drives rotating ring 19 at the internal rotation of mounting groove 18, and threaded shaft 1 drives locking slide 8 through rotating ring 19 and removes the synchronous motion that realizes threaded shaft 1 and locking slide 8 when along 1 axial displacement of threaded shaft.

The large sliding block 7 is provided with a through hole 15, the through hole 15 is internally and fixedly provided with a connecting rod 9, the peripheral surface of the threaded shaft 1 is provided with an annular groove 16, the width of the annular groove 16 is greater than that of the connecting rod 9, and the width of the annular groove 16 minus the width of the connecting rod 9 is the same as the length of the accommodating cavity 14 minus the length of the locking sliding block. The connecting rod 9 limits the displacement distance of the threaded shaft 1, so that the phenomenon that the threaded shaft 1 moves for a long time due to the overlong moving distance of the threaded shaft 1 is avoided, the machining efficiency is reduced, or the phenomenon that the threaded shaft 1 collides with an injection molding part due to the short moving distance of the threaded shaft 1 is avoided.

Threaded shaft 1 goes up the cover and is equipped with a spring 11 and is located positioning bearing 5's left side, spring 11's right side and positioning bearing 5's left end face laminating. Spring 11 laminating location bearing 5 provides the power of keeping away from the injection molding to location bearing 5 when the drawing of patterns, makes threaded shaft 1 lighter when the drawing of patterns, has reduced the wearing and tearing of screw thread 12, has improved demoulding mechanism's life.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a side long distance screw thread automatic demoulding mechanism, its characterized in that with, includes a screw thread axle (1), oil motor (10), locking slider (8), big slider (7) and hydro-cylinder, oil motor (10) drive screw thread axle (1) through a drive mechanism (13) and rotate, its characterized in that, seted up one section screw thread (12) on the outer peripheral face of screw thread axle (1) one end, the other end of screw thread axle (1) passes big slider (7) and is connected with one locking slider (8), the other end of screw thread axle (1) is fixed and is provided with a connecting rod (20), the one end of connecting rod (20) is fixed and is provided with a rotating ring (19), set up mounting groove (18) that are used for installing rotating ring (19) in locking slider (8), the hydro-cylinder can drive big slider (7) along screw thread axle (1) axial displacement and drive screw thread axle (1) along its axial displacement through big slider (7), a containing cavity (14) for installing the locking sliding block (8) is formed in the large sliding block (7), and one side of the containing cavity (14) is communicated with the outside.

2. The automatic demoulding mechanism for the long-distance side thread according to claim 1, wherein the transmission mechanism (13) comprises a three-stage transmission gear (2), a two-stage transmission gear (3) and a one-stage transmission gear (4), the three-stage transmission gear (2) is fixedly arranged on the threaded shaft (1), the one-stage transmission gear (4) is fixedly arranged on the rotating shaft of the oil motor (10), and the two-stage transmission gear (3) is always meshed with the three-stage transmission gear (2) and the one-stage transmission gear (4).

3. The automatic demoulding mechanism with long-distance lateral side threads as claimed in claim 2, wherein the threaded shaft (1) is provided with a clamping groove (17) at one end for mounting the three-stage transmission gear (2).

4. The automatic demoulding mechanism with long-distance lateral edges and threads as claimed in claim 1, wherein the length of the locking slider plus the length of the threads (12) is equal to the length of the cavity (14).

5. The automatic demoulding mechanism with long-distance side edges for the threads as claimed in claim 1, wherein the large sliding block (7) is provided with a through hole (15), a connecting rod (9) is fixedly arranged in the through hole (15), the outer circumferential surface of the threaded shaft (1) is provided with an annular groove (16), the width of the annular groove (16) is greater than that of the connecting rod (9), and the width of the annular groove (16) minus the width of the connecting rod (9) is the same as the length of the accommodating cavity (14) minus the length of the locking sliding block.

6. The automatic demoulding mechanism with long-distance lateral threads as claimed in claim 1, wherein a positioning bearing (5) and a movable bearing (6) are sleeved on the threaded shaft (1).

7. The automatic demoulding mechanism with long-distance lateral edges and threads as claimed in claim 6, wherein a spring (11) is sleeved on the threaded shaft (1) and is located on the left side of the positioning bearing (5), and the right side of the spring (11) is attached to the left end face of the positioning bearing (5).

8. The automatic demoulding mechanism for the long-distance side thread according to claim 2, wherein the thickness of the secondary transmission gear (3) is larger than that of the tertiary transmission gear (2), and the thickness of the secondary transmission gear (3) minus the thickness of the tertiary transmission gear (2) is larger than the width of the annular groove (16) minus the width of the connecting rod (9).