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CN-224224305-U - Core pulling mechanism and six-way core pulling vulcanizing mold

CN224224305UCN 224224305 UCN224224305 UCN 224224305UCN-224224305-U

Abstract

The utility model discloses a core pulling mechanism and a six-way core pulling vulcanizing mold, and relates to the technical field of automobile part manufacturing, wherein the core pulling mechanism comprises a sliding block, a movable core, a driving block, a connecting piece and a spring stop block; the front end of the movable core is provided with a conical parting surface, the rear end of the movable core is fixedly connected with the sliding block, the driving block is used for driving the sliding block to slide forwards and backwards, the front end of the connecting piece penetrates through the spring stop block and then is connected with the sliding block, and a reset spring is arranged between the rear end of the connecting piece and the spring stop block and used for resetting the sliding block. The utility model improves the product quality, reduces the labor intensity and is beneficial to the preservation of the mould.

Inventors

  • DU YAN
  • ZHU YONG
  • XIAO LEI
  • LI TAO

Assignees

  • 十堰东森汽车密封件有限公司

Dates

Publication Date
20260512
Application Date
20250416

Claims (10)

  1. 1. The core pulling mechanism comprises a sliding block (12) and is characterized by further comprising a movable core (13), a driving block (11), a connecting piece (15) and a spring stop block (14), wherein a conical parting surface (131) is arranged at the front end of the movable core (13), the rear end of the movable core (13) is fixedly connected with the sliding block (12), the driving block (11) is used for driving the sliding block (12) to slide forwards and backwards, the front end of the connecting piece (15) penetrates through the spring stop block (14) and then is connected with the sliding block (12), and a reset spring (16) is arranged between the rear end of the connecting piece (15) and the spring stop block (14) and used for resetting the sliding block (12).
  2. 2. The core pulling mechanism according to claim 1, wherein the driving block (11) is arranged above the sliding block (12) in a lifting manner, an extrusion inclined plane (111) is arranged at the front side of the lower end of the driving block (11), and a compression inclined plane (121) matched with the extrusion inclined plane (111) is arranged at the rear side of the upper end of the sliding block (12).
  3. 3. The core pulling mechanism according to claim 1, wherein the upper end of the driving block (11) is provided with a limit bump (112), and the driving block (11) is embedded in the upper die plate (3) through the limit bump (112).
  4. 4. The core pulling mechanism as set forth in claim 1, wherein the slider (12) is provided with a mounting hole (122) for mounting the movable core (13) and a connecting hole (124) for connecting the connecting member (15).
  5. 5. The core pulling mechanism as set forth in claim 4, wherein the movable core (13) is disposed in the mounting hole (122) in an interference manner, a positioning block (132) is disposed at the rear end of the movable core (13), and a positioning groove (123) adapted to the positioning block (132) is disposed in the mounting hole (122).
  6. 6. The core pulling mechanism as set forth in claim 1, wherein the spring stopper (14) is provided with a through hole (141) through which the connecting member (15) passes, and the lower end of the spring stopper (14) is fixedly disposed on the lower die plate (2) through the base (142).
  7. 7. The core pulling mechanism according to claim 1, wherein the slider (12) is slidably disposed on the lower die plate (2) through a chute or a guide bar.
  8. 8. The core pulling mechanism of claim 1, wherein the connecting piece (15) comprises a screw (151) and a limit sleeve (152) fixedly sleeved on the screw (151), the front end of the screw (151) extends out of the limit sleeve (152) and is connected with the sliding block (12), a flanging part (153) is arranged at the rear end of the limit sleeve (152), the reset spring (16) is sleeved on the limit sleeve (152), one end of the reset spring (16) is abutted against the flanging part (153), and the other end of the reset spring (16) is abutted against the spring stop block (14).
  9. 9. The six-way core pulling vulcanizing mold comprises an upper mold plate (3), a lower mold plate (2) and two half molds (4), wherein the lower mold plate (2) is provided with a lower mold insert (21), and the upper mold plate (3) is provided with an upper mold insert (31) corresponding to the lower mold insert (21); the two half (4) are arranged between the upper die plate (3) and the lower die plate (2) and are respectively positioned at two longitudinal sides of the lower die insert (21), and wedge-shaped blocks (41) used for driving the half (4) to translate are arranged at the outer sides of the half (4), and the two half-core mechanism is characterized by further comprising two core-pulling mechanisms (1) according to any one of claims 1-8, wherein the two core-pulling mechanisms (1) are respectively positioned at two transverse sides of the lower die insert (21), and the moving stroke of the core-pulling mechanisms (1) is smaller than that of the half (4).
  10. 10. The six-way core pulling vulcanizing mold as set forth in claim 9, wherein the upper mold plate (3) is provided with a material taking plate (32) and a runner plate (33) in sequence.

Description

Core pulling mechanism and six-way core pulling vulcanizing mold Technical Field The utility model relates to the technical field of automobile part manufacturing, in particular to a core pulling mechanism and a six-way core pulling vulcanizing mold. Background The existing vulcanization mold usually has four directions of core pulling up and down, front and back or up and down, left and right, 6 directions of core pulling are needed in the double-peak damping hydraulic bushing main spring injection vulcanization process, 2 directions of mold cores are usually designed into a movable mold core mode to meet the processing technology requirement, the movable mold cores are assembled by operators during vulcanization, and the movable mold cores are taken out by the operators on line after vulcanization, but the production mode leads to poor mold matching precision, high labor intensity and large mold storage difficulty. Disclosure of utility model Aiming at the defects in the prior art, the utility model aims to provide a core pulling mechanism and a six-way core pulling vulcanizing mold, which improve the product quality, reduce the labor intensity and facilitate the storage of the mold. The core pulling mechanism comprises a sliding block, a movable core, a driving block, a connecting piece and a spring stop block, wherein the front end of the movable core is provided with a conical parting surface, the rear end of the movable core is fixedly connected with the sliding block, the driving block is used for driving the sliding block to slide forwards and backwards, the front end of the connecting piece penetrates through the spring stop block and then is connected with the sliding block, and a reset spring is arranged between the rear end of the connecting piece and the spring stop block and used for resetting the sliding block. The driving block is arranged above the sliding block in a lifting manner, the front side of the lower end of the driving block is provided with an extrusion inclined plane, and the rear side of the upper end of the sliding block is provided with a compression inclined plane matched with the extrusion inclined plane. The driving block is embedded in the upper die plate through the limiting lug. The sliding block is provided with a mounting hole for mounting the movable core and a connecting hole for connecting the connecting piece. The movable mold core is arranged in the mounting hole in an interference mode, the rear end of the movable mold core is provided with a positioning block, and a positioning groove matched with the positioning block is arranged in the mounting hole. The spring stop block is provided with a through hole for the connecting piece to pass through, and the lower end of the spring stop block is fixedly arranged on the lower template through the base. The further improvement is that the sliding block is arranged on the lower template in a sliding way through a sliding groove or a guide strip. The connecting piece comprises a screw and a limit sleeve fixedly sleeved on the screw, wherein the front end of the screw extends out of the limit sleeve and is connected with the sliding block, a flanging part is arranged at the rear end of the limit sleeve, the reset spring is sleeved on the limit sleeve, one end of the reset spring is propped against the flanging part, and the other end of the reset spring is propped against the spring stop block. The utility model also provides a six-way core pulling vulcanization mold for the double-peak damping hydraulic bushing, which comprises an upper mold plate, a lower mold plate and two half molds, wherein the lower mold plate is provided with a lower mold insert, the upper mold plate is provided with an upper mold insert corresponding to the lower mold insert, the two half molds are arranged between the upper mold plate and the lower mold plate and are respectively positioned at two longitudinal sides of the lower mold insert, wedge-shaped blocks for driving the half molds to translate are arranged at the outer sides of the half molds, the six-way core pulling vulcanization mold also comprises two core pulling mechanisms, the two core pulling mechanisms are respectively positioned at two transverse sides of the lower mold insert, and the moving stroke of the core pulling mechanisms is smaller than that of the half molds. The material taking plate and the runner plate are sequentially arranged on the upper template. The utility model has the beneficial effects that: 1. According to the utility model, the reset mechanism such as the spring is arranged at the sliding block, so that 2-direction core pulling is added in the conventional core pulling direction, the labor intensity in the vulcanization process is reduced, and the die storage is facilitated. 2. In the utility model, the structure of the driving block and the sliding block is adopted, the parting surface is matched through the conical surface, the matching precision is hi