Feeding inlet needle breakage prevention device suitable for rod rotating machine
The device with an elastic contact mechanism and photoelectric sensor prevents jamming at the guide guardrail junction, ensuring the rotary rod machine stops to avoid injection tube damage.
Patent Information
- Application Number
- CN202420267240.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-04
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-04
AI Technical Summary
The existing guide guardrail in rotary rod machines is prone to jamming at the docking position with the syringe feeding track, leading to potential crushing of the injection tube.
A device comprising a fixing frame with an elastic contact mechanism and a material jamming sensor, including a photoelectric sensor and a light shielding plate, is installed at the joint of the guide guardrail and injection tube feeding track to detect jamming and trigger an alarm, preventing damage by stopping the machine.
Enables timely detection and prevention of material jamming, thereby avoiding damage to the injection tube by ensuring the machine stops before significant harm occurs.
Smart Images
Figure CN222201736U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a needle-breaking prevention device, in particular to a needle-breaking prevention device suitable for a material inlet of a rotary rod machine. Background Art
[0002] The rotary rod machine is a device used to assemble the syringe and push rod of the pre-filled needle. The feeding star plate equipped with the rotary rod machine docks with the feeding tracks of the syringe and the push rod respectively. A guide guardrail is usually set at the docking position of the feeding star plate and the syringe. The guide guardrail is used to cooperate with the feeding star plate to complete the rotary feeding. The existing guide guardrail has the defect that the docking position with the syringe feeding track is prone to jamming. If the machine is not stopped in time, the syringe will be crushed. Utility Model Content
[0003] The utility model aims to overcome the existing defects and provide an anti-broken needle device for the feed port of a rotary rod machine to solve the problem that the injection tube is easily stuck at the docking position between the guide guardrail and the injection tube feeding track, which may cause the injection tube to be crushed.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0005] A device for preventing broken needles at a material inlet of a rotary rod machine comprises a fixing frame on which an elastic contact mechanism and a material jamming sensor are arranged; the elastic contact mechanism is used to receive the collision of an injection tube and drive the sensor probe to move linearly; the material jamming sensor is used to sense the sensor probe and send out an alarm signal.
[0006] Furthermore, the fixed frame includes a bearing seat bracket, a floating bearing seat is arranged on the bearing seat bracket, at least one through hole is arranged on the floating bearing seat, and a linear bearing is arranged in the through hole; the elastic contact mechanism includes a floating block bracket, a floating block is arranged at the upper front end of the floating block bracket, and at least one material-locking floating shaft is arranged at the rear end of the floating block bracket, the material-locking floating shaft passes through the linear bearing and slides with the linear bearing, the end of the material-locking floating shaft away from the floating block bracket has a limiting structure, and the outer side of the material-locking floating shaft located between the floating block bracket and the floating bearing seat is provided with a spring, and the two ends of the spring respectively abut the floating block bracket and the floating bearing seat.
[0007] Furthermore, the jamming sensor is a photoelectric sensor, which is arranged at the upper end of the floating bearing seat; the sensor probe is a light shielding plate, the front end of which is connected to the floating block bracket, and the rear end of which extends horizontally backward and can block the light emitter and light receiver of the photoelectric sensor when the floating block bracket moves backward.
[0008] Furthermore, two through holes, two linear bearings and two floating axes for clamping materials are arranged in parallel.
[0009] The utility model discloses an anti-broken needle device for the feeding port of a rotary rod machine, which is arranged at the docking position of a guide guardrail and an injection tube feeding track. A part of the end of a traditional guide guardrail is cut off and replaced with the device. The occurrence of material jamming can be detected in time and the machine can be stopped by an alarm of a sensor to avoid damage to the injection tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0011] Figure 1 It is a structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the setting position when the utility model is applied on the equipment. DETAILED DESCRIPTION
[0013] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0014] like Figure 1 As shown, a feed inlet anti-broken needle device suitable for a rotary rod machine includes a fixing frame, on which an elastic contact mechanism and a material jamming sensor are arranged; the elastic contact mechanism is used to receive the collision of the injection tube and drive the sensor probe to move linearly; the material jamming sensor is used to sense the sensor probe and send out an alarm signal.
[0015] The fixed frame includes a bearing seat bracket 1, a floating bearing seat 2 is arranged on the bearing seat bracket 1, two through holes are arranged in parallel on the floating bearing seat 2, and a linear bearing (not shown in the figure) is arranged in each through hole; the elastic contact mechanism includes a floating block bracket 3, a floating block 4 is arranged at the upper front end of the floating block bracket 3, and two material-holding floating shafts 5 are arranged in parallel at the rear end of the floating block bracket 3, each material-holding floating shaft 5 passes through the linear bearing and slides with the linear bearing, and the end of the material-holding floating shaft 5 away from the floating block bracket 3 is provided with a limiting structure 6, and a spring 7 is sleeved on the outer side of the part of the material-holding floating shaft 5 located between the floating block bracket 3 and the floating bearing seat 2, and the two ends of the spring 7 respectively abut the floating block bracket 3 and the floating bearing seat 2.
[0016] The material jamming sensor is a photoelectric sensor 8, which is arranged at the upper end of the floating bearing seat 2; the sensor probe is a light shielding plate 9, the front end of which is connected to the floating block bracket 3, and the rear end of which extends horizontally backward and can block the light emitter and light receiver of the photoelectric sensor 8 when the floating block bracket 3 moves backward.
[0017] Working principle:
[0018] The device is arranged at the joint position between the guide guardrail A and the injection tube feeding track B. A part of the end of the traditional guide guardrail is cut off and replaced with the device C. Figure 2 As shown, when the injection tube fails to successfully enter between the star disk material trough and the guide guardrail, a jam will occur. The injection tube that causes the jam will hit the floating block 4. The floating block 4 is driven by the collision to move the floating block bracket 3 as a whole backward. The shading plate 9 covers the light emitter and the light receiver of the photoelectric sensor 8. After the photoelectric sensor 8 senses the shading plate 9, it sends an alarm signal to the equipment control system. The equipment control system executes a shutdown operation to prevent the occurrence of broken needles. When the jam is resolved, the floating block bracket 3 is reset under the action of the spring 7.
[0019] The use of two through holes, linear bearings and the card floating shaft 5 can ensure the stability of the horizontal movement of the floating block bracket 3 and the accuracy of the light shielding plate 9 in shielding the light emitter and the light receiver of the photoelectric sensor 8.
[0020] The utility model discloses an anti-broken needle device for the feeding port of a rotary rod machine, which is arranged at the docking position of a guide guardrail and an injection tube feeding track. A part of the end of a traditional guide guardrail is cut off and replaced with the device. The occurrence of material jamming can be detected in time and the machine can be stopped by an alarm of a sensor to avoid damage to the injection tube.
[0021] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A device for preventing broken needles at the inlet of a rotary rod machine. Features: It comprises a fixing frame, on which an elastic contact mechanism and a material jamming sensor are arranged; The elastic contact mechanism is used to receive the collision of the injection tube and drive the sensor probe to move linearly; The material jam sensor is used to sense the sensor probe and send out an alarm signal; The fixing frame comprises a bearing seat bracket, a floating bearing seat is arranged on the bearing seat bracket, at least one through hole is arranged on the floating bearing seat, and a linear bearing is arranged in the through hole; The elastic contact mechanism includes a floating block bracket, a floating block is provided at the upper front end of the floating block bracket, and at least one material-locking floating shaft is provided at the rear end of the floating block bracket. The material-locking floating shaft passes through the linear bearing and slides with the linear bearing. The end of the material-locking floating shaft away from the floating block bracket has a limiting structure. A spring is provided on the outer side of the part of the material-locking floating shaft located between the floating block bracket and the floating bearing seat, and the two ends of the spring respectively abut the floating block bracket and the floating bearing seat.
2. The anti-broken needle device for the feed inlet of the rotary rod machine according to claim 1, Features: The material jamming sensor is a photoelectric sensor, and the photoelectric sensor is arranged at the upper end of the floating bearing seat; The sensor probe is a shading plate, the front end of which is connected to the floating block bracket, and the rear end of which extends horizontally backward and can shield the light emitter and light receiver of the photoelectric sensor when the floating block bracket moves backward.
3. The anti-broken needle device for the feed inlet of the rotary rod machine according to claim 1, Features: The through hole, the linear bearing and the floating shaft for clamping the material are all arranged in parallel in two.