CN217196697U

CN217196697U - Precise medical injection molding mold convenient for replacing mold core

Info

Publication number: CN217196697U
Application number: CN202220737170.8U
Authority: CN
Inventors: 刘贵生; 杨丹
Original assignee: Xiamen Xinshengyuan Medical Technology Co ltd
Current assignee: Xiamen Xinshengyuan Medical Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-16
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a precise medical injection molding mold convenient for replacing a mold core, belonging to the field of injection molds, which comprises a lower die holder arranged on a base, an upper die cover is covered at the top of the lower die holder, supporting rods are fixedly arranged at four corners of the top wall of the base, and the top wall of the upper die cover is provided with a sliding hole in a penetrating way, the supporting rod is arranged in the sliding hole in a penetrating way, and the upper die cover can slide on the supporting rod along the vertical direction, the top wall of the supporting rod is fixedly provided with a supporting plate, the top wall of the upper die cover is fixedly provided with an inserted rod, a placing hole is arranged on the side wall of the inserting rod, a fixed rod is inserted in the placing hole, a pushing spring is connected between the fixed rod and the hole bottom of the placing hole, an inserting hole is arranged on the top wall of the supporting plate in a penetrating way, when the upper die cover is opened, the inserted bar penetrates through the jack, and the fixed bar is abutted against the supporting plate. The device is more convenient to replace the mold core.

Description

Precise medical injection molding mold convenient for replacing mold core

Technical Field

The utility model relates to an injection mold technical field especially relates to an accurate medical injection molding mould convenient to change mould benevolence.

Background

A precision medical injection molding mold is a mold for injection molding of precision medical instruments.

The current chinese patent of No. CN212045760U that authorizes bulletin, it includes unable adjustment base, unable adjustment base's upper end fixed mounting has the die holder, the outside fixed mounting of die holder has the cooling water to connect, the groove of dismantling has been seted up in the outside of die holder, the upper end movable mounting of die holder has the upper die cover, the upper end fixed mounting of upper die cover has the joint of moulding plastics, the constant head tank has been seted up in the die holder, the inboard reservation of constant head tank has the magnetism connecting hole, the mounting groove has been seted up to the interior division of constant head tank, the inboard movable mounting of mounting groove has processing mould benevolence, the inboard fixed mounting of processing mould benevolence has the shaping chamber, the removal notch has been seted up in the outside of processing mould benevolence, the lower extreme fixed mounting of processing mould benevolence has the magnetism reference column. This accurate medical injection moulding mould convenient to change mould benevolence can be simpler process production, improves the speed and the efficiency of work, reduces the cost input of processing production.

The related art described above has the following drawbacks: when the device is used for replacing the processing mold core, the upper mold cover needs to be taken down and placed beside the fixed seat, and then the processing mold core needs to be replaced, so that the operation is complicated, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing an accurate medical injection molding mould convenient to change mould benevolence.

The application provides a precision medical injection moulding mould convenient to change mould benevolence adopts following technical scheme:

the utility model adopts the preferred technical proposal that the precise medical injection molding mold which is convenient for replacing the mold core comprises a lower mold seat arranged on a base, the top of the lower die base is covered with an upper die cover, the four corners of the top wall of the base are fixedly provided with supporting rods, and the top wall of the upper die cover is provided with a sliding hole in a penetrating way, the supporting rod is arranged in the sliding hole in a penetrating way, and the upper die cover can slide on the supporting rod along the vertical direction, the top wall of the supporting rod is fixedly provided with a supporting plate, the top wall of the upper die cover is fixedly provided with an inserted rod, a placing hole is arranged on the side wall of the inserting rod, a fixed rod is inserted in the placing hole, a pushing spring is connected between the fixed rod and the hole bottom of the placing hole, an inserting hole is arranged on the top wall of the supporting plate in a penetrating way, when the upper die cover is opened, the inserted bar penetrates through the jack, and the fixed bar is abutted to the supporting plate.

The utility model discloses preferred technical scheme lies in, one side that the dead lever deviates from the base is provided with the spigot surface, just the bottom of spigot surface is less than the opening part of jack.

The utility model discloses preferred technical scheme lies in, be provided with further improvement between bracing piece and the last mould lid go up the locking subassembly of mould lid holding open mode's stability.

The utility model discloses preferred technical scheme lies in, the locking subassembly includes locking pole, locking spring and pull rod, the holding hole has been seted up to the lateral wall of bracing piece, the locking hole has been seted up to the inner wall of slide opening when the cope match-plate pattern lid is opened, the one end of locking pole is inserted and is established to the holding downthehole, the other end is inserted and is established to the locking hole, locking spring coupling is located between the downthehole one end of holding and the hole bottom in holding hole in the locking pole, the hole of dismantling has been seted up to the roof of bracing piece, the one end of pull rod with the one end fixed connection, the other end that the locking pole is located the holding hole wear to locate the hole of dismantling.

The utility model discloses preferred technical scheme lies in, the locking pole also is provided with the spigot surface towards one side of base, just the bottom of spigot surface is less than the opening part in locking hole.

The utility model discloses preferred technical scheme lies in, the fixed first magnet that is provided with in hole bottom in locking hole, the end wall that the locking spring was kept away from to the locking pole is fixed to be provided with second magnet, works as the locking pole is inserted and is established to the locking downthehole time, first magnet is inhaled with second magnet magnetism mutually.

The utility model discloses preferred technical scheme lies in, the fixed board of accepting that is provided with of lateral wall of backup pad, accept to be connected with buffer spring between board and the upper die cover.

The utility model discloses preferred technical scheme lies in, buffer spring's both ends are all fixed and are provided with the erection column, the mounting hole has all been seted up to the diapire of accepting the roof of board and going up the mould lid, erection column threaded connection is in corresponding mounting hole.

The utility model has the advantages that: when mould benevolence needs to be changed, will go up the mould lid and upwards slide, then press back the dead lever through the deformation of promotion spring to place downthehole until the inserted bar wears to establish the jack, then loose hand and open the dead lever, the dead lever will stretch out and stretch out the roof looks butt of the one end of placing the hole and backup pad to place the hole through the elasticity of promotion spring outside to support last mould lid, and then make last mould lid can keep the open mode and be convenient for change mould benevolence, the simple operation.

The utility model aims to solve the technical problem of providing a precise medical injection molding mold convenient for replacing a mold core, which belongs to the technical field of injection molds and comprises a lower mold seat arranged on a base, wherein the top of the lower mold seat is covered with an upper mold cover, the four corners of the top wall of the base are all fixedly provided with support rods, the top wall of the upper mold cover is penetrated and provided with a slide hole, the support rods are penetrated and arranged in the slide hole, the upper mold cover can slide on the support rods along the vertical direction, the top wall of the support rods is fixedly provided with a support plate, the top wall of the upper mold cover is fixedly provided with an insert rod, the side wall of the insert rod is provided with a placing hole, a fixed rod is inserted in the placing hole, a pushing spring is connected between the fixed rod and the hole bottom of the placing hole, the top wall of the support plate is penetrated and provided with an insert hole, when the upper mold cover is opened, the insert rod is penetrated and arranged in the insert hole, and the fixed rods are abutted against the supporting plate. When needing to be changed mould benevolence, will go up the mould lid and upwards slide, then press back the dead lever through the deformation that promotes the spring and place downthehole until the inserted bar wears to establish the jack, then loose hand opens the dead lever, and the dead lever will stretch out and stretch out the roof looks butt of placing the one end in hole and backup pad to the elasticity of promoting the spring to placing the hole outward to supporting last mould lid, and then making last mould lid can keep the open mode and be convenient for change mould benevolence, the simple operation.

Drawings

Fig. 1 is a schematic view of an overall structure of a precision medical injection molding mold facilitating mold core replacement according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a locking assembly in a precision medical injection molding mold facilitating mold core replacement according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure:

1. a base; 11. a lower die holder; 2. putting a mold cover; 21. inserting a rod; 211. placing holes; 2111. fixing the rod; 2112. a guide surface; 2113. a push spring; 22. a slide hole; 221. a locking hole; 2211. a first magnet; 3. a support plate; 31. a jack; 4. a support bar; 41. a housing hole; 42. disassembling the hole; 5. a locking assembly; 51. a lock lever; 511. a second magnet; 52. a locking spring; 521. mounting a column; 53. a pull rod; 6. a bearing plate; 61. mounting holes; 62. a buffer spring.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides a precise medical injection molding mold convenient for mold core replacement, which comprises a lower mold base 11 disposed on a base 1, wherein the top of the lower mold base 11 is covered with an upper mold cover 2, four corners of the top wall of the base 1 are all fixedly provided with support rods 4, the top wall of the upper mold cover 2 is provided with a slide hole 22 in a penetrating manner, the support rods 4 are arranged in the slide hole 22, the upper mold cover 2 can slide on the support rods 4 along the vertical direction, the top wall of the support rods 4 is fixedly provided with a support plate 3, the top wall of the upper mold cover 2 is fixedly provided with an insert rod 21, the side wall of the insert rod 21 is provided with a placing hole 211, a fixing rod 2111 is inserted in the placing hole 211, a pushing spring 2113 is connected between the fixing rod 2111 and the hole bottom of the placing hole 211, the top wall of the support plate 3 is provided with a plug hole 31 in a penetrating manner, when the upper mold cover 2 is opened, the insertion rod 21 is inserted into the insertion hole 31, and the fixing rod 2111 abuts against the support plate 3. When mould benevolence needs to be changed, upwards slide cope match-plate pattern lid 2, then press back dead lever 2111 to placing in the hole 211 through the deformation of pushing spring 2113 until inserted bar 21 wears to establish jack 31, then loose hand releases dead lever 2111, dead lever 2111 will be through pushing spring 2113's elasticity to placing the hole 211 and stretching out and placing the one end of hole 211 and the roof looks butt of backup pad 3, thereby support cope match-plate pattern lid 2, and then make cope match-plate pattern lid 2 can keep the open mode and be convenient for change mould benevolence, the simple operation.

Preferably, a guide surface 2112 is arranged on one side of the fixing rod 2111, which is away from the base 1, and the bottom end of the guide surface 2112 is lower than the opening of the insertion hole 31. The guide surface 2112 facilitates the insertion of the insertion rod 21 into the insertion hole 31 without manually pressing the fixing rod 2111 back into the placement hole 211.

Preferably, a locking assembly 5 for further improving the stability of the upper mold cover 2 in the open state is arranged between the support rod 4 and the upper mold cover 2. The locking assembly 5 can further improve the stability of the upper mold cover 2 in the opening state, so that workers are not prone to accidental injury due to sudden falling of the upper mold cover 2 when replacing the mold core.

Preferably, the locking assembly 5 includes a locking rod 51, a locking spring 52 and a pull rod 53, the side wall of the support rod 4 is provided with a containing hole 41, the inner wall of the slide hole 22 is provided with a locking hole 221, when the upper mold cover 2 is opened, one end of the locking rod 51 is inserted into the containing hole 41, the other end of the locking rod is inserted into the locking hole 221, the locking spring 52 is connected between one end of the locking rod 51 located in the containing hole 41 and the bottom of the containing hole 41, the top wall of the support rod 4 is provided with a dismounting hole 42, one end of the pull rod 53 is fixedly connected with one end of the locking rod 51 located in the containing hole 41, and the other end of the pull rod passes through the dismounting hole 42. When the mold core needs to be replaced, the upper mold cover 2 slides upwards, meanwhile, the pull rod 53 is held to pull the locking rod 51 until the locking rod 51 is completely pulled back into the containing hole 41, then when the upper mold cover 2 slides to the coaxial line of the locking hole 221 and the containing hole 41, the pull rod 53 is loosened, the locking rod 51 is automatically inserted into the locking hole 221 through the elastic force of the locking spring 52, so that the stability of the upper mold cover 2 in the opening state is further improved, and further, when the mold core is replaced, workers are not prone to being accidentally injured due to the fact that the upper mold cover 2 suddenly drops.

Preferably, a side of the locking rod 51 facing the base 1 is also provided with a guide surface 2112, and a bottom end of the guide surface 2112 is lower than an opening of the locking hole 221. The guide surface 2112 facilitates the upward sliding of the upper mold cover 2 without manually pulling the locking rod 51 for a long time.

Preferably, a first magnet 2211 is fixedly arranged at the bottom of the locking hole 221, a second magnet 511 is fixedly arranged at the end wall of one end of the locking rod 51 far away from the locking spring 52, and when the locking rod 51 is inserted into the locking hole 221, the first magnet 2211 and the second magnet 511 are magnetically attracted. The first magnet 2211 magnetically attracts the second magnet 511 to further improve the stability of the locking lever 51 inserted into the locking hole 221.

Preferably, a receiving plate 6 is fixedly disposed on a side wall of the supporting plate 3, and a buffer spring 62 is connected between the receiving plate 6 and the upper mold cover 2. The buffer spring 62 can be covered on the lower die base 11 during the process of the upper die 2, and is not easy to fall onto the lower die base 11 quickly due to the fact that the upper die 2 is not dragged, so that the upper die 2 and the lower die base 11 are not easy to be damaged.

Preferably, both ends of the buffer spring 62 are fixedly provided with mounting posts 521, the top wall of the bearing plate 6 and the bottom wall of the upper mold cover 2 are both provided with mounting holes 61, and the mounting posts 521 are screwed in the corresponding mounting holes 61. After the buffer spring 62 is aged, the mounting column 521 is screwed out of the mounting hole 61, so that the old buffer spring 62 can be replaced, and the operation is convenient and fast.

The utility model provides a pair of accurate medical injection moulding mould convenient to change mould benevolence's implementation principle does: when mould benevolence needs to be changed, upwards slide cope match-plate pattern lid 2, then press back dead lever 2111 to placing in the hole 211 through the deformation of pushing spring 2113 until inserted bar 21 wears to establish jack 31, then loose hand releases dead lever 2111, dead lever 2111 will be through pushing spring 2113's elasticity to placing the hole 211 and stretching out and placing the one end of hole 211 and the roof looks butt of backup pad 3, thereby support cope match-plate pattern lid 2, and then make cope match-plate pattern lid 2 can keep the open mode and be convenient for change mould benevolence, the simple operation.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a precision medical injection moulding mould convenient to change mould benevolence which characterized in that:

comprises a lower die holder (11) arranged on a base (1), an upper die cover (2) is arranged on the top of the lower die holder (11) in a covering manner, supporting rods (4) are fixedly arranged at four corners of the top wall of the base (1), a sliding hole (22) is formed in the top wall of the upper die cover (2) in a penetrating manner, the supporting rods (4) penetrate through the sliding hole (22), the upper die cover (2) can slide on the supporting rods (4) along the vertical direction, a supporting plate (3) is fixedly arranged on the top wall of the supporting rods (4), an inserting rod (21) is fixedly arranged on the top wall of the upper die cover (2), a placing hole (211) is formed in the side wall of the inserting rod (21), a fixing rod (2111) is inserted in the placing hole (211), a pushing spring (2113) is connected between the fixing rod (2111) and the hole bottom of the placing hole (211), and an inserting hole (31) is formed in the top wall of the supporting plate (3) in a penetrating manner, when the upper die cover (2) is opened, the inserted bar (21) penetrates through the insertion hole (31), and the fixing bar (2111) is abutted to the support plate (3).

2. The precise medical injection mold of claim 1, wherein the mold comprises:

one side of the fixing rod (2111) departing from the base (1) is provided with a guide surface (2112), and the bottom end of the guide surface (2112) is lower than the opening of the jack (31).

3. The precise medical injection mold of claim 1, wherein the mold comprises:

and a locking assembly (5) for further improving the stability of the upper die cover (2) in an opening state is arranged between the support rod (4) and the upper die cover (2).

4. The precise medical injection mold of claim 3, wherein the mold core is conveniently replaced by a mold core of the precise medical injection mold, the mold core comprises:

locking subassembly (5) include locking pole (51), locking spring (52) and pull rod (53), holding hole (41) have been seted up to the lateral wall of bracing piece (4), locking hole (221) have been seted up to the inner wall of slide opening (22), work as when cope match-plate pattern lid (2) are opened, the one end of locking pole (51) is inserted and is established to holding hole (41), the other end is inserted and is established to locking hole (221), locking spring (52) are connected between the one end that locking pole (51) are located holding hole (41) and the hole bottom of holding hole (41), disassembly hole (42) have been seted up to the roof of bracing piece (4), the one end of pull rod (53) with one end fixed connection, the other end that locking pole (51) are located holding hole (41) wear to locate disassembly hole (42).

5. The precise medical injection mold of claim 4, wherein the mold comprises:

one side of the locking rod (51) facing the base (1) is also provided with a guide surface (2112), and the bottom end of the guide surface (2112) is lower than the opening of the locking hole (221).

6. The precise medical injection mold of claim 4, wherein the mold comprises:

the hole bottom of locking hole (221) is fixed and is provided with first magnet (2211), the end wall of the one end that locking pole (51) kept away from locking spring (52) is fixed and is provided with second magnet (511), works as when locking pole (51) are inserted and are established to locking hole (221) in, first magnet (2211) and second magnet (511) magnetism attract each other.

7. The precise medical injection mold of claim 1, wherein the mold comprises:

the side wall of the supporting plate (3) is fixedly provided with a bearing plate (6), and a buffer spring (62) is connected between the bearing plate (6) and the upper die cover (2).

8. The precise medical injection mold of claim 7, wherein the mold core is conveniently replaced by one of:

the two ends of the buffer spring (62) are fixedly provided with mounting columns (521), mounting holes (61) are formed in the top wall of the bearing plate (6) and the bottom wall of the upper die cover (2), and the mounting columns (521) are connected in the corresponding mounting holes (61) in a threaded mode.