CN214353914U - Spring force hank tooth drawing of patterns mould - Google Patents
Spring force hank tooth drawing of patterns mould Download PDFInfo
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- CN214353914U CN214353914U CN202022298318.6U CN202022298318U CN214353914U CN 214353914 U CN214353914 U CN 214353914U CN 202022298318 U CN202022298318 U CN 202022298318U CN 214353914 U CN214353914 U CN 214353914U
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- sliding block
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- stage sliding
- thread
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Abstract
The utility model discloses a spring force thread-twisting demoulding mould, which comprises a plate A and a plate B, wherein the plate B is provided with an injection molding cavity for accommodating an injection molding piece and a thread shaft connected with the thread of the injection molding piece; the B plate is also provided with a cavity, a secondary slide block and a primary slide block are arranged in the cavity, and a driven gear connected with a threaded shaft is arranged in the secondary slide block; a motor is arranged on the outer side of the first-stage sliding block, an output shaft of the motor is connected with a driving gear, and the driving gear and the driven gear are matched; the improved sliding block structure is characterized in that an inclined guide post is fixed on the A plate, an inclined hole for the inclined guide post to penetrate through is formed in the first-stage sliding block, the first-stage sliding block is connected with the second-stage sliding block through a guide rod, one end of the guide rod is fixedly connected with the second-stage sliding block, the other end of the guide rod penetrates through the first-stage sliding block and extends out of the first-stage sliding block, and a pressure spring is arranged on the guide rod outside the first-stage sliding block. The beneficial effects of the utility model are that adopt spring force hank tooth, realize moving back tooth of spiral tooth axle through the pressure spring tension auxiliary gear subassembly of compressed, simple structure, it is efficient.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to spring force hank tooth drawing of patterns mould.
Background
At present, the conventional in-mold thread twisting mostly adopts a thread twisting screw rod and a guide nut thread twisting, but the scheme has low efficiency and high cost. Chinese patent publication No. CN11645280A, the invention discloses a full-automatic thread demoulding mould, which comprises a fixed mould and a movable mould, wherein the fixed mould is arranged on an injection molding machine, a female mould is arranged on the fixed mould, the movable mould comprises a lower mould and a middle mould, a male mould is arranged on the middle mould, connecting grooves with the number equal to that of connecting shafts are arranged on the male mould, the connecting grooves are in sliding fit with the connecting shafts, a second demoulding shaft is connected in the thread insert in a rotating mode, external threads positioned on the thread insert are arranged on the second demoulding shaft, the middle mould is in horizontal sliding connection with the lower mould, a demoulding plate is arranged below the middle mould, a second spring is arranged between the middle mould and the demoulding plate, a second rain demoulding shaft is arranged in the lower mould, a secondary gear is coaxially fixed on the second demoulding shaft, and a main gear driven by a driving piece is rotatably connected to the lower mould. Although the scheme realizes the demoulding of the screw teeth, the structure is more complex and the efficiency is lower.
Disclosure of Invention
The utility model provides a spring force hank tooth drawing of patterns mould, this mould adopt spring force hank tooth, realize moving back tooth of spiral tooth axle through the compressed pressure spring tension auxiliary gear subassembly, simple structure, it is efficient.
The utility model provides a specific technical scheme as follows:
a spring force thread-twisting demoulding mould comprises a plate A and a plate B, wherein an injection molding cavity for accommodating an injection molding piece and a thread shaft connected with a thread of the injection molding piece are arranged in the plate B;
the B plate is also provided with a cavity, a secondary slide block and a primary slide block are arranged in the cavity, and a driven gear connected with a threaded shaft is arranged in the secondary slide block; a motor is arranged on the outer side of the first-stage sliding block, an output shaft of the motor is connected with a driving gear, and the driving gear and the driven gear are matched;
an inclined guide pillar is fixed on the A plate, an inclined hole for the inclined guide pillar to penetrate through is formed in the first-stage sliding block, the first-stage sliding block is connected with the second-stage sliding block through a guide rod, one end of the guide rod is fixedly connected with the second-stage sliding block, the other end of the guide rod penetrates through the first-stage sliding block and extends out of the first-stage sliding block, and a pressure spring is arranged on the guide rod on the outer side of the first-stage sliding block;
when the die is closed, the inclined guide post of the A plate penetrates through the primary slide block to fix the primary slide block on the side of the secondary slide block, when the die is opened, the A plate is opened, the inclined guide post pulls the primary slide block open, the primary slide block moves towards the motor, and the pressure spring is compressed; and the motor operates, the thread shaft and the injection molding piece retreat teeth, and the guide rod pulls the secondary slide block to move towards the motor direction under the action of the pressure spring to finish the tooth retreat. In the technical scheme, a grading slide block is adopted for opening the die, and the full-automatic tooth withdrawing of the screw shaft is realized by matching a pressure spring with a gear assembly.
Optionally, the slide block pressing strip is arranged on two sides of the first-stage slide block and the second-stage slide block, the slide block pressing strip is fixed on the B plate, and the slide block pressing strip is provided with a travel switch and a travel switch collision block which is arranged on the second-stage slide block and matched with the travel switch.
Optionally, the one-level sliding block locking device further comprises a one-level sliding block locking assembly, wherein the one-level sliding block locking assembly comprises a limiting pin, a spring lock fixedly connected with the limiting pin, and a groove matched with the spring lock is formed in the one-level sliding block.
Optionally, a step is arranged in the first-stage sliding block, one end of the pressure spring is clamped at the step, and the other end of the pressure spring is locked on the guide rod through a nut.
Optionally, the second-stage sliding block comprises a screw thread shaft fixing block and a gear box, the screw thread shaft is connected with the driven gear through a gear shaft, and the driving gear is installed in the gear box through a gear fixing seat.
Optionally, the slider pressing strip for installing the travel switch is of a concave structure, the travel switch is installed in a concave portion, close to the concave structure, of the side wall of the slider pressing strip, and the travel switch collision block moves in the concave portion to trigger the travel switch.
The utility model has the advantages that: the thread is twisted by spring force, the thread shaft is retreated by the compressed pressure spring tension auxiliary gear assembly, the structure is simple, and the efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram (with parts hidden) of an embodiment of the present invention;
fig. 2 is a schematic view of the main structure of an embodiment of the present invention;
fig. 3 is a schematic structural view of a gear according to an embodiment of the present invention;
fig. 4 is a schematic partial structure diagram according to an embodiment of the present invention.
In the figure, 1, A plate; 2. b, plate; 3. an injection molded part; 4. a screw shaft; 5. a first-stage slide block; 6. A secondary slide block; 7. an inclined guide post; 8. pressing strips for the sliding blocks; 9. a guide post; 10. a motor; 51. a step; 52. a groove; 53. an inclined hole; 54. a limit pin; 55. a latch; 61. a screw thread shaft fixing block; 62. a gear case; 81. a travel switch; 82. a travel switch collision block; 91. a pressure spring; 92. a nut; 101. a master gear, 102, a slave gear; 103. a gear shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a spring force thread-twisting demoulding mould comprises an A plate 1 and a B plate 2, wherein an injection molding cavity for containing an injection molding piece 3 and a thread shaft 4 connected with a thread of the injection molding piece are arranged in the B plate; the thread shaft and the inner wall of the injection molding part are provided with thread structures;
the B plate is also provided with a cavity, the cavity is positioned on the top side of the injection molding piece (for the mold, the top side of the mold is the upper side of the mold, namely the side close to the sky), and two sides of the cavity are provided with slide block pressing strips 8 fixed on the B plate; a secondary slide block 6 and a primary slide block 5 are arranged between the slide block pressing strips 8, and a driven gear 102 connected with a threaded shaft is arranged in the secondary slide block; a motor 10 is arranged on the outer side of the first-stage sliding block, an output shaft of the motor is connected with a driving gear 101, and the driving gear and the driven gear are matched; in this embodiment, the motor is a hydraulic motor, and is mounted on the motor base, and a piston rod of the hydraulic motor is connected with the main gear 101 through a transmission shaft;
an inclined guide post 7 is fixed on the plate A, an inclined hole 53 for the inclined guide post to penetrate through is formed in the first-stage sliding block 5, and after die assembly is carried out, the first-stage sliding block is fixed in a cavity of the plate B under the action of the inclined guide post 7; the first-stage sliding block is connected with the second-stage sliding block through a guide rod 9, one end of the guide rod 9 is fixedly connected with the second-stage sliding block 6, the other end of the guide rod penetrates through the first-stage sliding block 5 and extends out of the first-stage sliding block, and a pressure spring 91 is arranged on the guide rod on the outer side of the first-stage sliding block; a step 51 is arranged in the first-stage sliding block, one end of the pressure spring 91 is clamped at the step, and the other end of the pressure spring is locked on the guide rod 9 through a nut 92; the number of the guide rods is two.
A travel switch 81 and a travel switch collision block 82 which is arranged on the second-stage sliding block and matched with the travel switch are arranged on the sliding block pressing bar; the slide block pressing strip for mounting the travel switch is of a concave structure, the travel switch is mounted on the side wall of the slide block pressing strip and is close to the concave part of the concave structure, and the travel switch collision block moves in the concave part to trigger the travel switch; the other slide block pressing strip is of a strip-block structure, and a concave structure is not needed to be designed because a travel switch is not installed.
The back of the sliding block pressing strip 8 is provided with a primary sliding block locking assembly, the primary sliding block locking assembly comprises a limiting pin 54 arranged in the B plate, a spring lock 55 fixedly connected with the limiting pin, and a groove 52 matched with the spring lock is arranged on the primary sliding block; after the limiting pin is inserted into the groove of the first-level sliding block, the first-level sliding block cannot fall down due to gravity.
The second-stage sliding block 6 comprises a thread shaft fixing block 61 and a gear box 62, the thread shaft 4 is connected with a driven gear through a gear shaft 103, and the driving gear is installed in the gear box through a gear fixing seat. In addition, the top side end of the first-level sliding block is provided with a wear-resisting plate, and when the sliding block is closed, the wear-resisting plate of the sliding block is shoveled and pressed by a front die shovel, so that the sliding block is reset quickly.
In this embodiment, the injection molding is two, and thread shaft and driven gear are two, can realize the die sinking of two products promptly.
The working process is as follows: when the die is closed, the front die shovel shovels the first slide block, and the first slide block is reset and is close to the second slide block; covering the plate A, wherein the inclined guide post of the plate A penetrates through the primary slide block to fix the primary slide block on the side of the secondary slide block, and performing injection molding on the injection molding piece; opening the mold after the injection molding is finished, opening the plate A, in the process, poking the first-stage slide block to the zenith end by the inclined guide pillar on the plate A, and compressing the compression spring on the guide rod, wherein at the moment, the thread of the thread shaft is not opened; and the motor rotates, the gear rotates, the screw shaft and the injection molding part retreat teeth, meanwhile, the second sliding block pulls the guide rod towards the top side direction under the action of the pressure spring, and the guide rod pulls the second-stage sliding block, the driven gear and the like to move towards the motor direction to complete the tooth retreat.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A spring force thread-twisting demoulding mould comprises a plate A and a plate B, wherein an injection molding cavity for accommodating an injection molding piece and a thread shaft connected with a thread of the injection molding piece are arranged in the plate B;
the B plate is also provided with a cavity, a secondary slide block and a primary slide block are arranged in the cavity, and a driven gear connected with a threaded shaft is arranged in the secondary slide block; a motor is arranged on the outer side of the first-stage sliding block, an output shaft of the motor is connected with a driving gear, and the driving gear and the driven gear are matched; it is characterized in that the preparation method is characterized in that,
an inclined guide pillar is fixed on the A plate, an inclined hole for the inclined guide pillar to penetrate through is formed in the first-stage sliding block, the first-stage sliding block is connected with the second-stage sliding block through a guide rod, one end of the guide rod is fixedly connected with the second-stage sliding block, the other end of the guide rod penetrates through the first-stage sliding block and extends out of the first-stage sliding block, and a pressure spring is arranged on the guide rod on the outer side of the first-stage sliding block;
when the die is closed, the inclined guide post of the A plate penetrates through the primary slide block to fix the primary slide block on the side of the secondary slide block, when the die is opened, the A plate is opened, the inclined guide post pulls the primary slide block open, the primary slide block moves towards the motor, and the pressure spring is compressed; and the motor operates, the thread shaft and the injection molding piece retreat teeth, and the guide rod pulls the secondary slide block to move towards the motor direction under the action of the pressure spring to finish the tooth retreat.
2. The spring force thread demoulding mould according to claim 1, further comprising a slide block pressing strip arranged on two sides of the first-stage slide block and the second-stage slide block, wherein the slide block pressing strip is fixed on the B plate, and a travel switch collision block which is arranged on the second-stage slide block and is matched with the travel switch are arranged on the slide block pressing strip.
3. The spring force threading demolding mold according to claim 1, further comprising a primary slider locking assembly, wherein the primary slider locking assembly comprises a limiting pin, a spring lock fixedly connected with the limiting pin, and a groove matched with the spring lock is formed in the primary slider.
4. The spring force thread demoulding mould according to claim 1, wherein a step is arranged in the first-stage slide block, one end of the pressure spring is clamped at the step, and the other end of the pressure spring is locked on the guide rod through a nut.
5. The spring force thread demoulding mould according to claim 1, wherein the secondary slide block comprises a thread shaft fixing block and a gear box, the thread shaft is connected with a driven gear through a gear shaft, and the driving gear is installed in the gear box through a gear fixing seat.
6. The spring force tooth-twisting demolding die as claimed in claim 2, wherein a slider pressing strip of the travel switch is of a concave structure, the travel switch is mounted on a side wall of the slider pressing strip and close to a concave portion of the concave structure, and a collision block of the travel switch moves in the concave portion to trigger the travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022298318.6U CN214353914U (en) | 2020-10-15 | 2020-10-15 | Spring force hank tooth drawing of patterns mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022298318.6U CN214353914U (en) | 2020-10-15 | 2020-10-15 | Spring force hank tooth drawing of patterns mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214353914U true CN214353914U (en) | 2021-10-08 |
Family
ID=77969424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022298318.6U Active CN214353914U (en) | 2020-10-15 | 2020-10-15 | Spring force hank tooth drawing of patterns mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214353914U (en) |
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2020
- 2020-10-15 CN CN202022298318.6U patent/CN214353914U/en active Active
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