CN215825857U

CN215825857U - Side core-pulling mechanism with sliding block thread

Info

Publication number: CN215825857U
Application number: CN202121651050.8U
Authority: CN
Inventors: 刘利
Original assignee: Kunshan Goldberry Electronics Co ltd
Current assignee: Kunshan Goldberry Electronics Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-15
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a side core-pulling mechanism with a slider thread, which comprises: drive mechanism, be used for the screw thread core of shaping product side thread structure, be used for slider and the slider seat of shaping product back-off structure, slider fixed mounting be in on the slider seat, screw thread core one end is rotated and is alternated the slider with in the slider seat, just the screw thread core with the cover is equipped with two bearings between the slider seat, be provided with annular boss on the screw thread core, annular boss is located two between the bearing, drive mechanism can drive the screw thread core drives in step the side screw thread and the back-off structure of injection moulding product are deviate from in the slider lateral shifting. The core-pulling mechanism with the slider and the thread side can smoothly complete core pulling of the upper thread and the inverted buckle structure of the injection product through one-step action, an inclined guide pillar or an oil cylinder does not need to be independently made on the slider, the structure is simple, the size of a mold is reduced, the manufacturing cost is reduced, and the operation risk of the mold is reduced.

Description

Side core-pulling mechanism with sliding block thread

Technical Field

The utility model relates to the technical field of injection molds, in particular to a threaded side core-pulling mechanism with a sliding block.

Background

The injection mold is a common mold for molding plastic products, and the plastic products with various forms can be molded through the injection mold so as to meet various requirements of people.

Due to various process requirements of plastic products, in some injection molding products, a side thread structure and an inverted buckle structure need to be arranged on the products for convenient use, a thread side core-pulling structure needs to be added in a mold core generally, and the molded products are subjected to core-pulling and ejection actions by means of a side core-pulling mechanism in the mold opening process. At present, in an injection mold with a side thread structure and a back-off structure on a product, a thread side core-pulling mechanism is often adopted to match with a slider side core-pulling mechanism to realize demolding, the two mechanisms operate independently, the structure is complex, the manufacturing cost is increased, core-pulling action is performed for more times, and the operation risk of the mold is increased. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

Disclosure of Invention

The utility model aims to solve the problem of providing a side core-pulling mechanism with a slider thread to overcome the defects that the existing core-pulling mechanism is complex in structure, the manufacturing cost of a mould is increased, and the operation risk of the mould is increased due to one more core-pulling action.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a take slider screw thread side mechanism of loosing core, includes: drive mechanism, be used for the screw thread core of shaping product side thread structure, be used for slider and the slider seat of shaping product back-off structure, slider fixed mounting be in on the slider seat, screw thread core one end is rotated and is alternated the slider with in the slider seat, just the screw thread core with the cover is equipped with two bearings between the slider seat, be provided with annular boss on the screw thread core, annular boss is located two between the bearing, drive mechanism can drive the screw thread core drives in step the side screw thread and the back-off structure of injection moulding product are deviate from in the slider lateral shifting.

As a further improvement of the present invention, the transmission mechanism comprises a pair of mounting plates, a rack, a first gear, a second gear and a gear shaft, wherein the gear shaft is rotatably mounted between the two mounting plates, the rack is slidably inserted on the mounting plates and is meshed with the gear shaft, the first gear is coaxially and fixedly connected with the gear shaft, and the second gear is fixedly mounted at the other end of the threaded core and is meshed with the first gear; the mounting plate is fixedly provided with a copper sleeve, and the copper sleeve is sleeved on the threaded core in a threaded manner.

As a further improvement of the utility model, the rack is arranged along the vertical direction, the top end of the rack is fixedly provided with a shovel base, and the shovel base is connected with the movable template.

As a further improvement of the present invention, a first inclined surface is disposed on one side of the slider seat close to the shovel base, a lower end of the first inclined surface is inclined toward the core pulling direction, and a second inclined surface is disposed on the shovel base and slidably abuts against the first inclined surface.

As a further improvement of the utility model, the slider seat is provided with an accommodating groove, the threaded core penetrates through the accommodating groove, and one of the bearings is limited between the inner wall of the accommodating groove and the annular boss; the containing groove is provided with a pressing block, and the bearing on the other shaft is limited between the pressing block and the annular boss.

The utility model has the beneficial effects that: the utility model provides a threaded side core-pulling mechanism with a sliding block, which is provided with a threaded core, the sliding block, a sliding block seat and a transmission mechanism, wherein the threaded core is rotatably inserted into the sliding block and the sliding block seat, two bearings are arranged between the threaded core and the sliding block seat, the threaded core is driven by the transmission mechanism to laterally move to be separated from a threaded structure on a formed product, meanwhile, the threaded core is matched with the two bearings through an annular boss arranged on the threaded core to synchronously drive the sliding block to be separated from a product back-off structure, demoulding is smoothly completed in one action, an inclined guide pillar or an oil cylinder does not need to be independently arranged on the sliding block, the structure is simple, the size of a mould is reduced, the manufacturing cost is reduced, and the operation risk of the mould is reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

fig. 4 is an exploded view of the present invention.

The following description is made with reference to the accompanying drawings:

1-a transmission mechanism; 2-thread core;

201-annular boss; 3-a slide block;

4-slider seat; 401-a receiving groove;

5-a bearing; 6-mounting plate;

7-a rack; 8-first gear;

9-second gear; 10-gear shaft;

11-copper sheathing; 12-shovel base;

13-briquetting.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a threaded side core pulling mechanism with a sliding block, which is located on one side of a mold core and can move laterally relative to the mold core. Take slider screw thread side mechanism of loosing core includes: drive mechanism 1, screw thread core 2, slider 3 and slider seat 4, the left end of screw thread core 2 is provided with screw thread portion for the side thread structure of cooperation mold core shaping product. The left end of slider 3 is used for cooperating mold core shaping product back-off structure, and 3 fixed mounting of slider are in the left side of slider seat 4, and the left end interlude of screw thread core 2 is in slider 3 and slider seat 4, and the screw thread portion protrusion of screw thread core 2 is in 3 left end of slider, and screw thread core 2 can be relative slider 3 and slider seat 4 and rotate. Two bearings 5 are sleeved between the threaded core 2 and the slider seat 4, an annular boss 201 is arranged on the threaded core 2, and the annular boss 201 is positioned between the two bearings 5. When the transmission mechanism 1 drives the thread core 2 to rotate, the thread core 2 moves towards the right side, and the annular boss 201 and the two bearings 5 synchronously drive the sliding block 3 to move towards the right side to be separated from a side thread and a back-off structure of an injection molding product. By adopting the structure technology, in the process of pulling the core at the thread side of the thread core 2, the sliding block 3 is synchronously driven to be separated from the product back-off structure, the demoulding is smoothly finished by one-time action, an inclined guide pillar or an oil cylinder does not need to be independently made on the sliding block 3, the structure is simple, the manufacturing cost is low, and the risk of mould operation is reduced.

Referring to fig. 3, the slider holder 4 is provided with an accommodation groove 401, the threaded core 2 penetrates through the accommodation groove 401, and a bearing 5 is limited between the inner wall of the accommodation groove 401 and the annular boss 201. A pressing block 13 is arranged on the accommodating groove 401, and the other shaft bearing 5 is limited between the pressing block 13 and the annular boss 201. By adopting the structural design, the positions of the two bearings 5 are limited, and the reliability and the stability during core pulling are ensured.

Referring to fig. 4, the transmission mechanism 1 includes a pair of mounting plates 6, a rack 7, a first gear 8, a second gear 9, and a gear shaft 10, the gear shaft 10 is rotatably mounted between the two mounting plates 6, the rack 7 is slidably inserted into the mounting plates 6 in a vertical direction and engaged with the gear shaft 10, and the first gear 8 is coaxially and fixedly connected with the gear shaft 10. The right end of the thread core 2 is inserted on the two mounting plates 6 in a sliding way, and the second gear 9 is fixedly mounted at the right end part of the thread core 2 and is meshed with the first gear 8. A copper sleeve 11 is fixedly installed on the installation plate 6 close to the inner side, an internal thread is arranged on the copper sleeve 11, an external thread is arranged on the thread core 2 corresponding to the copper sleeve 11, and the thread of the copper sleeve 11 is sleeved on the thread core 2. The rack 7 drives the gear shaft 10 and the first gear 8 to synchronously rotate in the upward sliding process, then the first gear 8 drives the thread core 2 to rotate through the second gear 9, and the thread core 2 horizontally moves rightwards under the action of the copper sleeve 11 to be separated from a thread structure on a formed product. The number of teeth of the first gear 8 is three times that of the second gear 9, and by adopting the structural design, the stroke of the rack 7 can be greatly shortened, the size of a die is reduced, and the production cost is reduced; meanwhile, the rack 7 drives the first gear 8 to rotate at a speed three times that of the thread core 2, so that the purpose of rapid demoulding can be achieved.

Wherein, the top end of the rack 7 is fixedly provided with a shovel base 12, and the shovel base 12 is connected with the movable template. When the mold is opened, the movable mold plate moves upwards to open the mold, the shovel base 12 and the rack 7 are synchronously driven to move upwards to complete the side core pulling action, and additional driving power does not need to be added independently. One side of the slider seat 4 close to the shovel base 12 is provided with a first inclined surface, the lower end of the first inclined surface inclines towards the core pulling direction, a second inclined surface with the same inclination as the first inclined surface is arranged on the shovel base 12, and the second inclined surface can be slidably abutted to the first inclined surface. When the mold is closed, the shovel base 12 is pressed on the sliding block seat 4, so that the quality of an injection molding product is guaranteed.

The working principle of the embodiment is as follows: when the mold is opened, the movable mold plate moves upwards to drive the shovel base 12 and the rack 7 to move upwards synchronously, the rack 7 drives the gear shaft 10 and the first gear 8 to rotate synchronously, then the first gear 8 drives the thread core 2 to rotate through the second gear 9, under the action of the copper sleeve 11, the thread core 2 moves horizontally to the right to be separated from a thread structure on a molded product, and when the thread core 2 moves horizontally to the right, the annular boss 201 and the two bearings 5 synchronously drive the sliding block seat 4 and the sliding block 3 to move rightwards to be separated from a back-off structure of the injection molded product, so that the core pulling is completed.

Therefore, the threaded side core-pulling mechanism with the sliding block is provided with the threaded core, the sliding block seat and the transmission mechanism, the threaded core is rotatably inserted into the sliding block and the sliding block seat, two bearings are arranged between the threaded core and the sliding block seat, the threaded core moves laterally under the driving of the transmission mechanism to be separated from a threaded structure on a formed product, meanwhile, the threaded core is matched with the two bearings through the annular boss arranged on the threaded core to synchronously drive the sliding block to be separated from a product back-off structure, demoulding can be smoothly completed through one-step action, an inclined guide pillar or an oil cylinder does not need to be independently arranged on the sliding block, the structure is simple, the manufacturing cost is low, and the operation risk of a mould is reduced.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a take slider screw thread side mechanism of loosing core which characterized in that includes: drive mechanism (1), be used for forming side screw thread structure of product screw thread core (2), be used for forming slider (3) and slider seat (4) of product back-off structure, slider (3) fixed mounting be in on slider seat (4), screw thread core (2) one end is rotated and is alternates slider (3) with in slider seat (4), just screw thread core (2) with the cover is equipped with two bearings (5) between slider seat (4), be provided with annular boss (201) on screw thread core (2), annular boss (201) are located two between bearing (5), drive mechanism (1) can drive screw thread core (2) drive in step slider (3) lateral shifting deviates from injection moulding product's side screw thread and back-off structure.

2. The threaded side core pulling mechanism with the sliding block according to claim 1, characterized in that: the transmission mechanism (1) comprises a pair of mounting plates (6), a rack (7), a first gear (8), a second gear (9) and a gear shaft (10), the gear shaft (10) is rotatably mounted between the two mounting plates (6), the rack (7) is inserted on the mounting plates (6) in a sliding mode and meshed with the gear shaft (10), the first gear (8) is coaxially and fixedly connected with the gear shaft (10), and the second gear (9) is fixedly mounted at the other end of the threaded core (2) and meshed with the first gear (8); fixed mounting has copper sheathing (11) on mounting panel (6), copper sheathing (11) screw thread suit is in on screw thread core (2).

3. The threaded side core pulling mechanism with the sliding block according to claim 2, characterized in that: the rack (7) is arranged along the vertical direction, a shovel base (12) is fixedly mounted at the top end of the rack, and the shovel base (12) is connected with the movable template.

4. The threaded side core pulling mechanism with the sliding block according to claim 3, characterized in that: one side of the sliding block seat (4) close to the shovel base (12) is provided with a first inclined surface, the lower end of the first inclined surface inclines towards the core pulling direction, a second inclined surface is arranged on the shovel base (12), and the second inclined surface can be slidably abutted to the first inclined surface.

5. The threaded side core pulling mechanism with the sliding block according to claim 1, characterized in that: the sliding block seat (4) is provided with an accommodating groove (401), the threaded core (2) penetrates through the accommodating groove (401), and one bearing (5) is limited between the inner wall of the accommodating groove (401) and the annular boss (201); a pressing block (13) is mounted on the accommodating groove (401), and the bearing (5) on the other shaft is limited between the pressing block (13) and the annular boss (201).