Balloon micro-catheter forming injection mold

Abstract

The utility model discloses a sacculus microcatheter forming injection mold, which relates to the technical field of injection molds, and comprises a mold body, a vibration mechanism is arranged at the bottom of the mold body and used for vibrating the mold body to eliminate bubbles of raw material molten slurry in the mold, and the vibration mechanism comprises a reciprocating unit arranged at the bottom of the mold body, comprising a mounting frame, a through hole is formed in the mounting frame, a through hole is slidably formed in the through hole, and the through hole slides up and down to impact the bottom of a mold body through an impact assembly arranged at the top of a reciprocating column to generate vibration to eliminate bubbles of raw material molten slurry in the mold; and the driving unit is provided with the reciprocating unit, the driving unit drives the disc to move up and down, the disc drives the reciprocating column to move up and down synchronously, the reciprocating column drives the impact assembly to impact the bottom of the mold body to generate vibration, raw material molten slurry in the mold body is vibrated, and therefore bubbles in the raw material molten slurry are eliminated.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to an injection mold for forming balloon microcatheters. Background Technology

[0002] Balloon microcatheter technology is a major revolution in the treatment of vascular diseases. During vascular interventional surgery, the balloon microcatheter is moved along the microguidewire to the lesion site at the distal end of the blood vessel, and then the stent is delivered to the lesion site through the balloon microcatheter.

[0003] According to the patent titled "Balloon Microcatheter" (patent publication number: CN211513083U, patent publication date: 2020-09-18), it includes: a guidewire channel with a retrograde guidewire inlet and a forward guidewire inlet at both ends; a balloon disposed at the end of the guidewire channel with the retrograde guidewire inlet and circumferentially covering the outer surface of the guidewire channel; and a pressure transmission channel communicating with the balloon. The end of the balloon near the retrograde guidewire inlet is funnel-shaped. The provided balloon microcatheter is used for coronary interventional therapy, simplifying the operation steps, facilitating use, shortening the operation time, improving the success rate, and saving treatment costs.

[0004] Based on the aforementioned existing technology, the current balloon microcatheter molding injection mold still has the following problems: when manufacturing balloon microcatheters, the uneven flow of raw material slurry in the mold can easily generate bubbles and defects, thereby affecting the product yield and performance. Therefore, this utility model provides a balloon microcatheter molding injection mold. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a balloon microcatheter molding injection mold, which solves the following problems that still exist in existing balloon microcatheter molding injection molds: when manufacturing balloon microcatheters, the uneven flow of raw material molten slurry in the mold can easily generate bubbles and defects, thereby affecting the yield and performance of the product.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a balloon microcatheter molding injection mold, comprising a mold body, wherein a vibration mechanism is provided at the bottom of the mold body for vibrating the mold body to eliminate air bubbles in the molten raw material within the mold, the vibration mechanism comprising:

[0007] The reciprocating unit is located at the bottom of the mold body and includes a mounting frame. The mounting frame has a through hole inside, and a through hole is slidably installed inside the through hole. The through hole slides up and down and passes through the impact component at the top of the reciprocating column to impact the bottom of the mold body and generate vibration to eliminate air bubbles in the raw material molten slurry in the mold.

[0008] The driving unit is arranged on one side of the reciprocating unit and is used for providing kinetic energy to the driving unit.

[0009] Preferably, the bottom end of the mold body is fixedly installed with a fixing frame, the mounting frame is fixedly installed on the top of the fixing frame bottom plate, the surface of the reciprocating column is fixedly installed with a stop block, the surface of the reciprocating column is sleeved with a spring, the bottom end connecting block of the reciprocating column is rotatably installed with a disc, and the spring is installed between the stop block and the bottom end connecting block of the reciprocating column.

[0010] Preferably, the inside of the mounting frame is provided with a limiting groove, one side of the reciprocating column is fixedly installed with a limiting block, and the limiting block is adapted to slide in the limiting groove, so that the movement of the reciprocating column is limited.

[0011] Preferably, the impact assembly comprises a fixed block fixedly installed at the top end of the reciprocating column, a fixed plate fixedly installed on the top of the fixed block, and a plurality of impact columns fixedly installed on the top of the fixed plate in a uniform distribution, and a rubber sleeve sleeved on the top of the impact column.

[0012] Preferably, a plurality of reinforcing ribs are fixedly installed between the fixed block and the fixed plate, so as to strengthen the strength of the fixed plate.

[0013] Preferably, the driving unit comprises a rotating shaft rotatably installed in the mounting frame vertical plate, a cam fixedly installed at one end of the rotating shaft, the cam rotates in the disc, a first belt pulley fixedly installed at the other end of the rotating shaft, a motor fixedly installed on the top of the fixing frame bottom plate, a second belt pulley fixedly installed on the output end of the motor, and a belt installed between the first belt pulley and the second belt pulley.

[0014] The utility model provides a kind of balloon microcatheter forming injection mold.Compared with prior art, the following beneficial effects are achieved:

[0015] 1、The balloon microcatheter forming injection mold is provided with a reciprocating unit, the disc is driven up and down by the driving unit, the reciprocating column is driven to move up and down synchronously, the impact assembly is driven by the reciprocating column to impact the bottom of the mold body to generate vibration, and the raw material melt in the mold body is vibrated to eliminate the bubbles in the raw material melt.

[0016] 2、The balloon microcatheter forming injection mold is provided with a rubber sleeve installed on the top of the impact column, so that the bottom of the mold body is not damaged when the impact column impacts the bottom of the mold body, and the impact sound is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the right perspective structure diagram of the utility model;

[0018] Figure 2 It is the vibration mechanism perspective structure diagram of the utility model;

[0019] Figure 3 It is the vibration mechanism partial split perspective structure diagram of the utility model;

[0020] Figure 4 It is the vibration mechanism sectional perspective structure diagram of the utility model;

[0021] Figure 5 It is the impact assembly bottom perspective structure diagram of the utility model;

[0022] Figure 6 It is the impact assembly top perspective structure diagram of the utility model.

[0023] In the drawing: 1-mold body, 2-vibration mechanism, 21-reciprocating unit, 211-fixed frame, 212-mounting frame, 213-through hole, 214-limiting groove, 215-reciprocating column, 216-limiting block, 217-stop block, 218-spring, 219-disc, 22-driving unit, 221-rotating shaft, 222-cam, 223-first belt pulley, 224-motor, 225-second belt pulley, 226-belt, 3-impact assembly, 31-fixed block, 32-fixed plate, 33-stiffener, 34-impact column, 35-rubber sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0026] A balloon microcatheter forming injection mold, including mold body 1, the bottom of mold body 1 is provided with vibration mechanism 2 for eliminating the air bubble of raw material melt in the mold in the vibration of mold body 1, including in vibration mechanism 2:

[0027] The reciprocating unit 21 is arranged at the bottom of the mold body 1, comprising a mounting frame 212, a through hole 213 is arranged in the mounting frame 212, and a reciprocating column 215 is slidably arranged in the through hole 213. The reciprocating column 215 is provided with an impact assembly 3 at the top, which impacts the bottom of the mold body 1 to generate vibration, so as to eliminate the bubbles in the raw material melt in the mold.

[0028] The driving unit 22 is arranged on one side of the reciprocating unit 21 and is used to provide kinetic energy to the driving unit 22.

[0029] In this embodiment, the bottom end of the mold body 1 is fixedly provided with a fixed frame 211, and the mounting frame 212 is fixedly arranged on the top of the fixed frame 211. The reciprocating column 215 is fixedly provided with a stop block 217 on the surface, and the reciprocating column 215 is sleeved with a spring 218. The bottom end connecting block of the reciprocating column 215 is rotatably provided with a disc 219, and the spring 218 is arranged between the stop block 217 and the bottom end connecting block of the reciprocating column 215. The spring 218 pushes the bottom end connecting block of the reciprocating column 215 to realize the reset of the reciprocating column 215.

[0030] The driving unit 22 drives the disc 219 to move up and down, and the disc 219 drives the reciprocating column 215 to move up and down synchronously. The reciprocating column 215 drives the impact assembly 3 to impact the bottom of the mold body 1 to generate vibration, so as to vibrate the raw material melt in the mold body 1, thereby eliminating the bubbles in the raw material melt.

[0031] In this embodiment, the mounting frame 212 is provided with a limiting groove 214, and the reciprocating column 215 is fixedly provided with a limiting block 216 on one side, which is adapted to slide in the limiting groove 214 to limit the movement of the reciprocating column 215.

[0032] When the reciprocating column 215 moves up and down, the limiting block 216 slides in the limiting groove 214, thereby limiting the reciprocating column 215.

[0033] In this embodiment, the impact assembly 3 comprises a fixed block 31 fixedly arranged at the top of the reciprocating column 215, and a fixed plate 32 is fixedly arranged on the top of the fixed block 31. A plurality of impact columns 34 are uniformly fixedly arranged on the top of the fixed plate 32, and a rubber sleeve 35 is sleeved on the top of the impact column 34.

[0034] The rubber sleeve 35 is arranged on the top of the impact column 34, so that when the impact column 34 impacts the bottom of the mold body 1, the bottom of the mold body 1 is not damaged, and the impact sound is reduced.

[0035] In this embodiment, a plurality of reinforcing ribs 33 are fixedly arranged between the fixed block 31 and the fixed plate 32, which are used to strengthen the strength of the fixed plate 32.

[0036] The reinforcing ribs 33 are installed between the fixing block 31 and the fixing plate 32, so that the strength of the fixing plate 32 is reinforced, and the fixing plate 32 is prevented from being bent.

[0037] In the embodiment, the driving unit 22 comprises a rotating shaft 221 rotatably installed in the vertical plate of the mounting frame 212, one end of the rotating shaft 221 is fixedly installed with a cam 222, the cam 222 is located inside the disc 219 and rotates, the other end of the rotating shaft 221 is fixedly installed with a first belt pulley 223, the bottom plate of the fixing frame 211 is fixedly installed with a motor 224, the output end of the motor 224 is fixedly installed with a second belt pulley 225, and the first belt pulley 223 and the second belt pulley 225 are installed with a belt 226.

[0038] The motor 224 is of OMV800 type, electrically connected with an external power supply and controlled to be turned on or turned off through a control panel controlled by a person, the motor 224 is operated to drive the second belt pulley 225 to rotate, the second belt pulley 225 drives the first belt pulley 223 to synchronously rotate through the belt 226, the first belt pulley 223 drives the cam 222 to rotate through the rotating shaft 221, the cam 222 rotates inside the disc 219 to push the disc 219 to move upwards.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0040] In operation, firstly, the motor 224 is operated to drive the second belt pulley 225 to rotate, the second belt pulley 225 drives the first belt pulley 223 to synchronously rotate through the belt 226, the first belt pulley 223 drives the cam 222 to rotate through the rotating shaft 221, the cam 222 rotates inside the disc 219 to push the disc 219 to move upwards, the disc 219 drives the reciprocating column 215 and the impact assembly 3 to synchronously move upwards to impact and vibrate the bottom of the mold body 1, when the cam 222 rotates to the lower part inside the disc 219, the spring 218 pushes the disc 219 to move downwards through the elastic force of itself, and the impact assembly 3 repeatedly impacts and vibrates the mold body 1 through the above steps.

[0041] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms “include”, “contain” or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0042] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A balloon microcatheter molding injection mold, comprising a mold body (1), characterized in that: The bottom of the mold body (1) is provided with a vibration mechanism (2) for vibrating the mold body (1) to eliminate air bubbles in the raw material slurry. The vibration mechanism (2) includes: The reciprocating unit (21) is located at the bottom of the mold body (1) and includes a mounting bracket (212). The mounting bracket (212) has a through hole (213) inside, and the through hole (213) is slidably installed inside the through hole (213). The through hole (213) slides up and down through the impact component (3) provided at the top of the reciprocating column (215) to impact the bottom of the mold body (1) to generate vibration and eliminate air bubbles in the raw material molten slurry in the mold. A drive unit (22) is disposed on one side of the reciprocating unit (21) and is used to provide kinetic energy to the drive unit (22).

2. The balloon microcatheter molding injection mold according to claim 1, characterized in that: A fixing frame (211) is fixedly installed at the bottom end of the mold body (1), and a mounting frame (212) is fixedly installed on the top of the base plate of the fixing frame (211). A stop block (217) is fixedly installed on the surface of the reciprocating column (215). A spring (218) is sleeved on the surface of the reciprocating column (215). A disc (219) is rotatably installed on one side of the bottom connecting block of the reciprocating column (215). The spring (218) is installed between the stop block (217) and the bottom connecting block of the reciprocating column (215). The reciprocating column (215) is reset by pushing the bottom connecting block of the reciprocating column (215) with the elastic force of the spring (218).

3. The balloon microcatheter molding injection mold according to claim 1, characterized in that: The mounting bracket (212) has a limiting groove (214) inside, and a limiting block (216) is fixedly installed on one side of the reciprocating column (215). The limiting block (216) is located inside the limiting groove (214) and slides to realize the movement limitation of the reciprocating column (215).

4. The balloon microcatheter molding injection mold according to claim 1, characterized in that: The impact assembly (3) includes a fixing block (31) fixedly installed on the top of the reciprocating column (215). A fixing plate (32) is fixedly installed on the top of the fixing block (31), and a plurality of impact columns (34) are evenly distributed and fixedly installed on the top of the fixing plate (32), and the top of the impact column (34) is covered with a rubber sleeve (35).

5. The balloon microcatheter molding injection mold according to claim 4, characterized in that: A number of reinforcing ribs (33) are fixedly installed between the fixing block (31) and the fixing plate (32) to strengthen the strength of the fixing plate (32).

6. The balloon microcatheter molding injection mold according to claim 2, characterized in that: The drive unit (22) includes a rotating shaft (221) rotatably mounted inside the upright plate of the mounting bracket (212). A cam (222) is fixedly mounted on one end of the rotating shaft (221), and the cam (222) rotates inside the disc (219). A first pulley (223) is fixedly mounted on the other end of the rotating shaft (221). A motor (224) is fixedly mounted on the top of the base plate of the mounting bracket (211), and a second pulley (225) is fixedly mounted on the output end of the motor (224). A belt (226) is installed between the first pulley (223) and the second pulley (225).

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