Grinding device for prismatic surface of three-edged needle

Abstract

The utility model relates to the technical field of three-edged needle machining, and discloses a three-edged needle ridge surface grinding device which comprises a supporting frame and a supporting plate, a cushion block is connected between one side of the supporting plate and the supporting frame, the other side of the supporting plate is rotationally connected with the supporting frame, and the upper end face of the cushion block is a slope-shaped face and is attached to the lower end face of the supporting plate. The cushion block and the supporting plate are assembled and connected through screws, the cushion block and the supporting frame are detachably connected, a grinding mechanism is arranged on the supporting plate and comprises a grinding motor and a grinding disc, and the grinding motor is connected with the grinding disc. The supporting plate is rotationally connected with one end of the supporting frame, the cushion block is assembled and connected to the other end of the supporting frame through the screw, fine adjustment of the grinding angle can be achieved by screwing the screw, large-angle adjustment can be conducted by replacing the cushion block when necessary, and therefore the actual grinding machining requirement of the prismatic surface of the three-edged needle is met, and machining efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of triangular needle processing, and in particular relates to a triangular needle edge surface grinding device. Background Art

[0002] When producing and processing medical triangular needles, usually the hollow round stainless steel tube is first cut into a fixed-length needle body, and one end of the needle body is rolled into a closed cone-shaped structure using specific processing equipment, and then the end is ground into a triangular cone with three facets. Finally, the three facets are respectively punched with electric spark discharge to connect them with the cavity inside the needle body for infusion. Since the end of the triangular needle is a triangular cone, each facet has a certain slope, and the facet inclination angles of triangular needles of different specifications and models are different. The existing grinding equipment has a single function and is difficult to meet the grinding processing requirements of the triangular needle facets. It is also impossible to freely adjust the grinding angle as needed, which is inconvenient to use. Therefore, it is urgently needed to provide a triangular needle face grinding device, and the grinding angle of the facet can be freely adjusted according to actual needs to meet the processing requirements of the triangular needle facets and improve processing efficiency. Utility Model Content

[0003] The utility model aims at the deficiencies in the background technology and provides a triangular needle edge grinding device. The grinding angle of the edge can be freely adjusted according to actual needs to meet the processing requirements of the triangular needle edge and improve the processing efficiency.

[0004] To achieve the above purpose, the technical solution of the utility model is as follows:

[0005] A triangular needle edge grinding device, characterized in that it includes a support frame and a support plate, a pad is connected between one side of the support plate and the support frame, and the other side is rotatably connected to the support frame, the upper end surface of the pad is a sloped surface and fits with the lower end surface of the support plate, the pad and the support plate are assembled and connected by screws, the pad and the support frame are detachably connected, a grinding mechanism is provided on the support plate, the grinding mechanism includes a grinding motor and a grinding disc, and the grinding motor is connected to the grinding disc.

[0006] Preferably, a movable plate is connected to the lower end of the grinding mechanism, the movable plate is slidably connected to a first slide rail provided on the support plate, a first screw is threadedly connected to the movable plate, and a first motor is connected to the end of the first screw.

[0007] Preferably, the movable plate is provided with a jacket for mounting a grinding mechanism, and the jacket and the movable plate are detachably connected.

[0008] Preferably, a base is provided on one side of the support frame, the support frame is slidably connected to a second guide rail provided on the base up and down, and a lifting drive mechanism connected to the support frame is also provided on the base.

[0009] Preferably, the lifting drive mechanism includes a second motor, a second screw, a driving wheel, a driven wheel and a synchronous belt, the second motor is connected to the driving wheel, the driving wheel is connected to the driven wheel through a synchronous belt, the driven wheel is connected to the second screw, and the second screw is threadedly connected to the support frame.

[0010] Preferably, a fixed seat is further provided under the base, the base is horizontally slidably connected to a third slide rail provided on the fixed seat, and the fixed seat is further provided with a horizontal driving mechanism connected to the base.

[0011] Preferably, the horizontal driving mechanism comprises a third motor and a third screw, the third motor is connected to the third screw, and the third screw is threadedly connected to the base.

[0012] Preferably, a sleeve is connected to the lower end of one side of the support plate, and the sleeve is rotatably connected to a rotating shaft provided on the support frame.

[0013] Preferably, the cushion block and the support frame are assembled and connected by screws or bolts.

[0014] Preferably, the angle between the upper end surface of the cushion block and the horizontal plane is 1°-20°.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] (1) The support plate of the utility model is rotatably connected to the support frame at one end, and a pad is assembled and connected to the other end by screws. The inclination angle (i.e., grinding angle) of the support plate can be fine-tuned by screwing the screws. If necessary, the pad can be replaced to adjust the angle to a larger angle, thereby meeting the actual grinding processing requirements of the triangular needle face, and effectively improving the processing efficiency;

[0017] (2) The utility model can effectively drive the grinding structure to realize three-axis motion through the first motor, the second motor and the third motor, and can freely adjust the grinding position of the workpiece according to actual conditions. It has strong practicality, a wide range of applications, and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model after the upper part of the base is removed;

[0022] Figure 4 It is a schematic diagram of the connection structure between the support frame, the support plate and the grinding mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of the connection structure between the support plate and the grinding mechanism of the utility model;

[0024] Figure 6 This is a schematic diagram of the connection structure between the support plate and the cushion block of the utility model;

[0025] In the figure: 1, support frame, 2, support plate, 3, cushion block, 4, screw, 5, grinding motor, 6, grinding disc, 7, moving plate, 8, first slide rail, 9, first screw, 10, first motor, 11, jacket, 12, base, 13, second guide rail, 14, second motor, 15, second screw, 16, driving wheel, 17, driven wheel, 18, synchronous belt, 19, fixed seat, 20, third slide rail, 21, third motor, 22, third screw, 23, sleeve, 24, rotating shaft. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "middle", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figures 1 to 6As shown, a triangular needle face grinding device comprises a support frame 1 and a support plate 2, a cushion block 3 is connected between one side of the support plate and the support frame, and the other side is rotatably connected to the support frame, a sleeve 23 is connected to the lower end of one side of the support plate, the sleeve is rotatably connected to a rotating shaft 24 arranged on the support frame, a bearing is installed between the sleeve and the rotating shaft, the upper end surface of the cushion block is a sloped surface, and fits with the lower end surface of the support plate, the angle between the upper end surface of the cushion block and the horizontal plane is 1°-20°, and the angle matches the actual face processing angle required by the product (the angle between the face and the central axis of the triangular needle), and the cushion block and The support plates are assembled and connected by screws 4, and the pad and the support frame are detachably connected and can be assembled and connected by screws or bolts. A grinding mechanism is provided on the support plate, and the grinding mechanism includes a grinding motor 5 and a grinding disk 6. The grinding motor is connected to the grinding disk. The screw 4 penetrates the support plate and is threadedly connected to the pad. The angle of the support plate can be fine-tuned by screwing the screw. When the grinding angle needs to be changed at a large angle, the pad can be replaced. The inclination of the upper end face of the selected pad matches the edge processing requirements of the triangular needle, so as to ensure the product processing quality of the triangular needle and improve the grinding efficiency.

[0030] like Figures 1 to 6 As shown, the lower end of the grinding mechanism is connected to a movable plate 7, which is slidably connected to a first slide rail 8 provided on a support plate, a first screw rod 9 is threadedly connected to the movable plate, a first motor 10 is connected to the end of the first screw rod, a jacket 11 for installing the grinding mechanism is provided on the movable plate, and the jacket and the movable plate are detachably connected to facilitate the disassembly and assembly of the grinding mechanism. In this embodiment, the grinding motor adopts a spindle motor, which is used to drive the rotation of the grinding disc, and the first motor drives the first screw rod to rotate, so that the movable plate drives the grinding mechanism to translate along the first slide rail. During the grinding process, auxiliary equipment is first used to clamp and fix the triangular needle body to be processed, and the spindle motor is arranged along the length direction of the movable plate. The first motor can drive the grinding disc to move from the needle tip of the triangular needle to the needle handle, and the grinding disc realizes the grinding process under high-speed rotation.

[0031] like Figures 1 to 3As shown, a base 12 is provided on one side of the support frame, and the support frame is connected to the second guide rail 13 provided on the base for sliding up and down. The base is also provided with a lifting drive mechanism connected to the support frame, and the lifting drive mechanism includes a second motor 14, a second screw 15, a driving wheel 16, a driven wheel 17 and a synchronous belt 18. The second motor is connected to the driving wheel, and the driving wheel is connected to the driven wheel through a synchronous belt. The driven wheel is connected to the second screw, and the second screw is threadedly connected to the support frame. The second motor drives the driving wheel to rotate, and the driving wheel drives the driven wheel to rotate through the synchronous belt, and the driven wheel drives the screw to rotate, thereby realizing the up and down adjustment of the support frame, so as to adjust the grinding position of the grinding disc. In addition, a fixed seat 19 is also provided below the base, and the base is horizontally slidably connected to the third slide rail 20 provided on the fixed seat, and a horizontal driving mechanism connected to the base is also provided on the fixed seat, and the horizontal driving mechanism includes a third motor 21 and a third screw 22, and the third motor is connected to the third screw, and the third screw is threadedly connected to the base, and the third motor drives the third screw to rotate, and the third screw drives the base to move horizontally along the fixed seat. The second motor, combined with the third motor and the first motor, can realize three-axis motion of the grinding mechanism, greatly improving its scope of use and practicality.

[0032] The working principle of the utility model is as follows:

[0033] like Figures 1 to 6 As shown, before grinding the triangular needle, the triangular needle body to be processed is first clamped and fixed by auxiliary equipment (the central axis of the needle body is parallel to the central axis of the first motor), so that the edge surface to be processed is placed upward, and the inclination angle of the support plate 2 is adjusted according to the processing requirements of the edge surface. The second motor 14 and the third motor 21 are started, and the grinding disc 6 is adjusted to the needle tip position of the triangular needle, and then the grinding motor 5 is started to drive the grinding disc 6 to rotate at high speed, and finally the first motor 10 is started to drive the grinding disc 6 to move toward the needle handle of the triangular needle, so that the grinding processing requirements of the triangular needle edge surface can be completed.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model.

Claims

1. A triangular needle face grinding device, characterized in that: It includes a support frame and a support plate, a pad is connected between one side of the support plate and the support frame, and the other side is rotatably connected to the support frame, the upper end surface of the pad is a sloped surface, and fits with the lower end surface of the support plate, the pad and the support plate are assembled and connected by screws, the pad and the support frame are detachably connected, a grinding mechanism is provided on the support plate, the grinding mechanism includes a grinding motor and a grinding disc, and the grinding motor is connected to the grinding disc.

2. A triangular needle face grinding device as claimed in claim 1, characterized in that: The lower end of the grinding mechanism is connected to a moving plate, the moving plate is slidably connected to a first slide rail arranged on a support plate, a first screw is threadedly connected to the moving plate, and a first motor is connected to the end of the first screw.

3. A triangular needle face grinding device as claimed in claim 2, characterized in that: The movable plate is provided with a jacket for mounting a grinding mechanism, and the jacket and the movable plate are detachably connected.

4. A triangular needle face grinding device as claimed in claim 1, characterized in that: A base is provided on one side of the support frame, and the support frame is connected to a second guide rail provided on the base for vertical sliding movement. A lifting drive mechanism connected to the support frame is also provided on the base.

5. A triangular needle face grinding device as claimed in claim 4, characterized in that: The lifting drive mechanism includes a second motor, a second screw, a driving wheel, a driven wheel and a synchronous belt, the second motor is connected to the driving wheel, the driving wheel is connected to the driven wheel through the synchronous belt, the driven wheel is connected to the second screw, and the second screw is threadedly connected to the support frame.

6. A triangular needle face grinding device as claimed in claim 4, characterized in that: A fixed seat is also provided below the base, the base is horizontally slidably connected to a third slide rail provided on the fixed seat, and a horizontal driving mechanism connected to the base is also provided on the fixed seat.

7. A triangular needle face grinding device as claimed in claim 6, characterized in that: The horizontal driving mechanism comprises a third motor and a third screw rod, wherein the third motor is connected to the third screw rod, and the third screw rod is threadedly connected to the base.

8. A triangular needle face grinding device as claimed in claim 1, characterized in that: A sleeve is connected to the lower end of one side of the support plate, and the sleeve is rotatably connected to a rotating shaft arranged on the support frame.

9. A triangular needle face grinding device as claimed in claim 1, characterized in that: The cushion block and the support frame are assembled and connected by screws or bolts.

10. A triangular needle face grinding device as claimed in claim 1, characterized in that: The angle between the upper end surface of the cushion block and the horizontal plane is 1°-20°.

Images