Ultrasonic welding jig for hemoperfusion device
By designing an ultrasonic welding jig, combined with an infrared detector and a pneumatic clamp, the problems of insufficient precision and low automation in hemoperfusion device welding were solved, and high-precision automated production was achieved.
Patent Information
- Application Number
- CN202422627522.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing medical welding jigs in the field of hemoperfusion devices have problems such as insufficient precision and low degree of automation.
An ultrasonic welding jig was designed, which included an ultrasonic welding machine body, a clamping jig, a base plate of the clamping jig, a positioning block, a guide block and a locking device. An infrared detector was used to realize automatic loading, and pneumatic clamps were used to achieve precise positioning and clamping.
The welding precision and automation level of the blood perfusion device are improved, and high-precision automated production is achieved.
Smart Images
Figure CN223455251U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument welding device technical field, especially in a kind of for blood perfusion ware's ultrasonic wave welding fixture. BACKGROUND
[0002] Ultrasonic welding is through ultrasonic generator 50 / 60 hertz current is converted into 15, 20, 30 or 40 KHz electric energy. The high-frequency electric energy converted is converted into mechanical movement of equal frequency by transducer, and then the mechanical movement is transmitted to the welding head through a set of amplitude-changing lever device. The welding head transmits the received vibration energy to the joint of the workpiece to be welded. In this area, the vibration energy is converted into heat energy by friction, melting the plastic. Ultrasonic waves can not only be used to weld hard thermoplastic plastics, but also to process fabrics and films. Ultrasonic plastic welding is fast, high-strength and good-sealing. Compared with traditional welding or bonding process, it is low in cost, clean and non-polluting and will not damage the workpiece.
[0003] The above prior art solution has the following defects: But in medical field, higher sealing is required, which results in very high precision required during welding. The existing welding fixture has the problems of insufficient precision and low automation degree. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of for blood perfusion ware's ultrasonic wave welding fixture to solve the problems existing in the prior art.
[0005] The above technical purpose of the utility model is realized by the following technical solutions:
[0006] A kind of for blood perfusion ware's ultrasonic wave welding fixture, including ultrasonic welding machine body and the clamping fixture being set on the workbench of ultrasonic welding machine body, the clamping fixture includes bottom plate, positioning block, guide block and locking device, the bottom plate is fixedly connected with workbench, the positioning block is fixedly installed in the top middle position of the bottom plate, the guide block is set in the top of the bottom plate one corner, the side of the positioning block close to guide block is provided with the avoidance slot, the side of the positioning block being provided with avoidance slot is fixedly installed with infrared detector, the locking device is fixedly installed on positioning block, and the side of locking device is attached with infrared detector.
[0007] By adopting the above technical scheme, guide block can guide the object to be processed into positioning block, so that the object to be processed is positioned by positioning block, and subsequent processing is facilitated. Infrared detector can judge whether object enters or exits according to detection data, so as to realize automatic feeding.
[0008] In a further embodiment, a top center of the bottom plate is provided with an avoiding hole, a top center of the positioning block is provided with a containing groove, the containing groove is communicated with the avoiding groove, and the containing groove is communicated with the avoiding hole.
[0009] In a further embodiment, the locking device comprises a fixed disc, a first pneumatic clamp jaw, a second pneumatic clamp jaw and a third pneumatic clamp jaw, the fixed disc is fixedly installed at a bottom end of the positioning block, the first pneumatic clamp jaw, the second pneumatic clamp jaw and the third pneumatic clamp jaw are uniformly arranged at a top of the fixed disc in an axial direction, and the fixed disc is coaxial with the containing groove.
[0010] By adopting the above technical scheme, the uniform distribution of the first pneumatic clamp jaw, the second pneumatic clamp jaw and the third pneumatic clamp jaw can make the object to be welded be better clamped at the center position, and precise positioning is realized each time.
[0011] In a further embodiment, one side of the fixed disc is provided with an avoiding port corresponding to the avoiding groove.
[0012] In a further embodiment, two opposite corners of the guide block are provided with acute angle reverse blunt structures.
[0013] In a further embodiment, a bottom of the bottom plate is provided with a pressure sensor for detecting pressure of the bottom plate and a surface of a workbench.
[0014] In summary, the utility model has the following beneficial effects:
[0015] 1. The guide block can guide the object to be processed into the positioning block, so that the object to be processed is positioned by the positioning block, and subsequent processing is facilitated, and the infrared detector can judge whether the object enters or exits according to detection data, thereby facilitating the effect of automatic feeding. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the overall structure schematic view of the utility model;
[0017] Figure 2 is the connection relationship structure schematic view of the clamping jig of the utility model.
[0018] In the figure, 1 is an ultrasonic welding machine body; 2 is a clamping jig; 21 is a bottom plate; 22 is a positioning block; 23 is a guide block; 24 is a locking device; 241 is a fixed disc; 242 is a first pneumatic clamp jaw; 243 is a second pneumatic clamp jaw; and 244 is a third pneumatic clamp jaw. DETAILED DESCRIPTION
[0019] The utility model will be further described in detail below in combination with the drawings.
[0020] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the attached Figure 1 In the description, the terms "bottom" and "top," "inner" and "outer" refer to directions toward or away from a particular component geometry, respectively. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this specification, "plurality" means two or more, unless otherwise specifically defined in terms of the center's direction.
[0021] Example 1:
[0022] like Figures 1-2 As shown, an ultrasonic welding jig for a blood perfusion device includes an ultrasonic welding machine body 1 and a clamping jig 2 arranged on a workbench of the ultrasonic welding machine body 1, the clamping jig 2 includes a base plate 21, a positioning block 22, a guide block 23 and a locking device 24, the base plate 21 is fixedly connected to the workbench, the positioning block 22 is fixedly installed at the top middle position of the base plate 21, the guide block 23 is arranged at a corner of the top of the base plate 21, the positioning block 22 is provided with an avoidance groove on one side close to the guide block 23, an infrared detector is fixedly installed on the side of the positioning block 22 where the avoidance groove is provided, the locking device 24 is fixedly installed on the positioning block 22, and one side of the locking device 24 is in contact with the infrared detector, an avoidance hole is provided at the top center position of the base plate 21, and the positioning block 22 is provided with an avoidance groove. A accommodating groove is provided at the top center of the positioning block 22, the accommodating groove is connected to the avoidance groove, and the accommodating groove is connected to the avoidance hole. The locking device 24 includes a fixed disc 241, a first pneumatic clamp 242, a second pneumatic clamp 243 and a third pneumatic clamp 244. The fixed disc 241 is fixedly mounted on the bottom end of the positioning block 22, the first pneumatic clamp 242, the second pneumatic clamp 243 and the third pneumatic clamp 244 are axially and evenly arranged on the top of the fixed disc 241, and the fixed disc 241 is coaxial with the accommodating groove. A avoidance port corresponding to the avoidance groove is provided on one side of the fixed disc 241, the two opposite corners of the guide block 23 are provided with an acute-angled blunt structure, and a pressure sensor for detecting the pressure between the base plate 21 and the workbench surface is provided at the bottom of the base plate 21.
[0023] Specific implementation process: the guide block can guide the object to be processed into the positioning block, so that the object to be processed is positioned by the positioning block, facilitating subsequent processing, the infrared detector can judge whether the object is in or out according to detection data, facilitating the effect of automatic feeding, when installing, the fixed disc 241 needs to be installed on the top of the bottom plate 21 first, then the positioning block 22 and the guide block 23 are installed on the fixed disc 241, and the bottom end of the guide block 23 needs to be provided with an avoiding area avoiding the first pneumatic clamp jaw 242, the second pneumatic clamp jaw 243 and the third pneumatic clamp jaw 244, and the first pneumatic clamp jaw 242, the second pneumatic clamp jaw 243 and the third pneumatic clamp jaw 244 are used for clamping the bottom end of the workpiece.
[0024] In the embodiments disclosed in the utility model, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connection" can be direct connection, or indirect connection through an intermediate medium. For ordinary skilled persons in the art, the specific meanings of the above terms in the embodiments disclosed in the utility model can be understood according to specific circumstances.
[0025] The specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the person skilled in the art can make modifications to the embodiments without creative contribution according to the needs after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.
Claims
1. An ultrasonic welding jig for a hemoperfusion cartridge, comprising an ultrasonic welding machine body (1) and a clamping jig (2) arranged on a worktable of the ultrasonic welding machine body (1), characterized in that: The clamping fixture (2) includes a base plate (21), a positioning block (22), a guide block (23) and a locking device (24), wherein the base plate (21) is fixedly connected to the workbench, the positioning block (22) is fixedly mounted at the top middle position of the base plate (21), the guide block (23) is arranged at a corner of the top of the base plate (21), a side of the positioning block (22) close to the guide block (23) is provided with an avoidance groove, an infrared detector is fixedly mounted on the side of the positioning block (22) where the avoidance groove is provided, and the locking device (24) is fixedly mounted on the positioning block (22), and one side of the locking device (24) is in contact with the infrared detector.
2. The ultrasonic bonding tool for a hemoperfusion cartridge according to claim 1, wherein: A avoidance hole is provided at the top center of the bottom plate (21), and a receiving groove is provided at the top center of the positioning block (22), the receiving groove is communicated with the avoidance groove, and the receiving groove is communicated with the avoidance hole.
3. The ultrasonic bonding tool for a hemoperfusion cartridge according to claim 2, wherein: The locking device (24) includes a fixed disc (241), a first pneumatic clamp (242), a second pneumatic clamp (243) and a third pneumatic clamp (244), wherein the fixed disc (241) is fixedly mounted on the bottom end of the positioning block (22), the first pneumatic clamp (242), the second pneumatic clamp (243) and the third pneumatic clamp (244) are axially and evenly arranged on the top of the fixed disc (241), and the fixed disc (241) is coaxial with the accommodating groove.
4. The ultrasonic bonding tool for a hemoperfusion cartridge according to claim 3, wherein: One side of the fixed disc (241) is provided with an escape opening corresponding to the escape groove.
5. The ultrasonic bonding tool for a hemoperfusion cartridge according to claim 1, wherein: Two opposite corners of the guide block (23) are provided with an acute-angled blunt structure.
6. The ultrasonic bonding tool for a hemoperfusion cartridge according to claim 1, wherein: A pressure sensor for detecting the pressure between the bottom plate (21) and the surface of the workbench is provided at the bottom of the bottom plate (21).