Push rod pressing device suitable for rod rotating machine and pressing device set

Abstract

The utility model belongs to the field of pre-filling needle assembly, and provides a push rod pressing device suitable for a rod rotating machine, which comprises a sliding rail fixing plate, a vertical sliding rail arranged on the front end face of the sliding rail fixing plate, a sliding block connected to the vertical sliding rail in a sliding mode, a pressing block fixing plate connected to the front end face of the sliding block, and a pressing block connected to the lower end of the front end face of the pressing block fixing plate. The lower end surface of the end part of the feeding side of the pressing block is an inclined surface; the lower end of the sliding rail fixing plate is connected with a limiting screw mounting plate, and the limiting screw mounting plate is connected with a limiting screw. The utility model further provides a pressing device set. According to the push rod pressing device suitable for the rod rotating machine and the pressing device set, the pressing block is used for pressing the push rod downwards, the falling position of the pressing block is adjusted through the limiting screw, so that the pressing depth of the push rod is controlled, meanwhile, the pressure of the pressing block is adjusted by increasing or decreasing the weight, and therefore the pressing depth of the push rod is finely adjusted; and quantitative monitoring of the pressing pressure is effectively realized.

Description

Technical Field

[0001] The utility model relates to a pressing device and a pressing device group, in particular to a push rod pressing device and a pressing device group suitable for a rotary rod machine. Background Art

[0002] The rod rotating machine is a device used to assemble the syringe and push rod of the prefilled needle. The specific assembly process is to rotate the syringe while pressing the push rod down.

[0003] The equipment currently on the market uses a Z-shaped spring clip to control the screw-in depth. The defect of this method is that when the spring clip pushes the push rod downward, the push rod has a certain reaction force on the spring clip, which will cause the spring clip to shake irregularly, resulting in uncontrollable downward pressure, and the downward pressure of the spring clip cannot be quantitatively monitored. Utility Model Content

[0004] The utility model aims to overcome the existing defects, provide a push rod pressing device and a pressing device group suitable for a rotary rod machine, and solve the problem that the pressure of the push rod pressing down of the current rotary rod machine is uncontrollable and cannot be quantitatively monitored.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A push rod pressing device suitable for a rotary rod machine comprises a slide rail fixing plate, the front end surface of the slide rail fixing plate is provided with at least one vertical slide rail, a slider is slidably connected to the vertical slide rail, the front end surface of the slider is connected to a pressure block fixing plate, the lower end of the front end surface of the pressure block fixing plate is connected to a pressure block, and the lower end surface of the feeding side end of the pressure block is arranged as an inclined surface; the lower end of the slide rail fixing plate is connected to a limiting screw mounting plate, a mounting hole is opened on the limiting screw mounting plate below the pressure block, and a limiting screw is threadedly connected to the mounting hole.

[0007] Furthermore, two vertical slide rails are arranged in parallel, and a slider is slidably connected to the two vertical slide rails.

[0008] Furthermore, a plurality of weights are arranged on the front end surface of the pressing block fixing plate, and the weights are detachably fixed on the front end surface of the pressing block fixing plate by weight fixing screws.

[0009] Furthermore, a slot-type switch fixing plate is provided on the rear end face of the slide rail fixing plate, at least one slot-type switch is provided on the front end face of the slot-type switch fixing plate, the slot-type switch is located on the space side of the pressure block fixing plate, and a position sensing sheet corresponding to the slot-type switch is provided on the side of the pressure block fixing plate.

[0010] Furthermore, the slot switch includes an upper slot switch and a lower slot switch, the upper slot switch and the lower slot switch are vertically spaced in a line, and the position sensing sheet includes an upper position sensing sheet and a lower position sensing sheet corresponding to the upper slot switch and the lower slot switch.

[0011] Furthermore, the upper end of the slide rail fixing plate is connected to a main body fixing plate, the main body fixing plate is connected to a protective cover that can cover the entire device, and the protective cover is connected to the main body fixing plate through a knob screw.

[0012] A pressing device group comprises three of the above-mentioned push rod pressing devices, wherein the three push rod pressing devices are arranged in sequence in an arc shape and the pressing blocks face the inner side of the arc shape.

[0013] The utility model discloses a push rod pressing device and a pressing device group suitable for a rotary rod machine. A pressing block is used to press the push rod downward. The falling position of the pressing block is adjusted by a limit screw to control the pressing depth of the push rod. At the same time, the pressure of the pressing block is adjusted by adding or reducing weights to fine-tune the pressing depth of the push rod, thereby effectively realizing quantitative monitoring of the pressing pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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:

[0015] Figure 1 It is a structural schematic diagram of the push rod pressing device in the utility model;

[0016] Figure 2 It is a structural schematic diagram of the middle and lower pressure device group of the utility model. DETAILED DESCRIPTION

[0017] 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.

[0018] like Figure 1 As shown, a push rod pressing device suitable for a rotary rod machine includes a slide rail fixing plate 1, the front end surface of the slide rail fixing plate 1 is provided with two vertical slide rails 2, and a slider 3 is slidably connected to the two vertical slide rails 2 together, the front end surface of the slider 3 is connected to a pressure block fixing plate 4, the lower end of the front end surface of the pressure block fixing plate 4 is connected to a pressure block 5, and the lower end surface of the feeding side end of the pressure block 5 is set as an inclined surface; the lower end of the slide rail fixing plate 1 is connected to a limiting screw mounting plate 6, and a mounting hole is opened on the limiting screw mounting plate 6 below the pressure block 5, and a limiting screw 7 is threadedly connected to the mounting hole.

[0019] Working principle:

[0020] Install the entire device above the push rod star disk rotating rod station, adjust the position of the limit screw 7 according to the size of the push rod and the pressing depth of the push rod, determine the vertical lowest position of the pressure block 5, when the push rod star disk starts to rotate, the push rod comes under the pressure block 5 and pushes the pressure block 5 upward via the inclined surface, and at the same time the pressure block 5 applies downward pressure on the push rod, with the rotation of the injection tube under the push rod, the push rod is screwed into the specified depth of the injection tube, and then the push rod leaves the pressure block 5, and the rotation of the rod is completed.

[0021] The front end surface of the pressing block fixing plate 4 is provided with a plurality of weights 8, which are detachably fixed to the front end surface of the pressing block fixing plate 4 by weight fixing screws 9. The downward pressure of the pressing block 5 can be adjusted by adding or removing weights 8, thereby ensuring the accuracy and consistency of the push rod pressing depth.

[0022] The rear end face of the slide rail fixing plate 1 is provided with a slot switch fixing plate 10, and the front end face of the slot switch fixing plate 10 is provided with an upper slot switch 11 and a lower slot switch 12. The upper slot switch 11 and the lower slot switch 12 are arranged in a line vertically and are located on the side of the space of the pressing block fixing plate 4. The side of the pressing block fixing plate 4 is provided with an upper position sensing sheet 13 and a lower position sensing sheet 14 corresponding to the upper slot switch 11 and the lower slot switch 12. The upper slot switch 11 is used to sense the upper position sensing sheet 13, and the lower slot switch 12 is used to sense the lower position sensing sheet 14. When there is no sensing signal from both the upper slot switch 11 and the lower slot switch 12, it can be determined that the pressing block 5 is stuck somewhere in the middle, so as to monitor whether the equipment is operating normally.

[0023] like Figure 2 As shown, a pressing device group includes the three aforementioned push rod pressing devices, and the three push rod pressing devices are arranged in sequence in an arc shape with the pressing block 5 facing the inner side of the arc. The upper end of the slide rail fixing plate 1 is connected to the main body fixing plate 15, and the main body fixing plate 15 is connected to the protective cover 16 that can cover the entire pressing device group, and the protective cover 16 is connected to the main body fixing plate 15 through the knob screw 17. The pressing device group is connected to the main tower of the rod rotating machine through the main body fixing plate 15, and the protective cover 16 is used to protect the internal push rod pressing device from dust. In the actual production process, in order to avoid the situation where the push rod is not pressed into place during the rod rotating process, this pressing device group composed of multiple push rod pressing devices can be set, and the pressure blocks 5 of each push rod pressing device are arranged in descending height. After a series of descending heights, it is ensured that the push rod can be effectively screwed in to the target depth.

[0024] The utility model discloses a push rod pressing device and a pressing device group suitable for a rotary rod machine. A pressing block is used to press the push rod downward. The falling position of the pressing block is adjusted by a limit screw to control the pressing depth of the push rod. At the same time, the pressure of the pressing block is adjusted by adding or reducing weights to fine-tune the pressing depth of the push rod, thereby effectively realizing quantitative monitoring of the pressing pressure.

[0025] 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 push rod pressing device suitable for a rotary rod machine, characterized in that: It comprises a slide rail fixing plate, the front end surface of which is provided with at least one vertical slide rail, the vertical slide rail is slidably connected with a slider, the front end surface of the slider is connected with a pressing block fixing plate, the lower end of the front end surface of the pressing block fixing plate is connected with a pressing block, and the lower end surface of the feeding side end of the pressing block is set as an inclined surface; The lower end of the slide rail fixing plate is connected to a limit screw mounting plate, and a mounting hole is provided on the limit screw mounting plate below the pressing block, and a limit screw is threadedly connected to the mounting hole.

2. A push rod pressing device suitable for a rod rotating machine according to claim 1, characterized in that: Two vertical slide rails are arranged in parallel, and a slider is slidably connected to the two vertical slide rails.

3. The push rod pressing device suitable for a rod rotating machine according to claim 1, characterized in that: A plurality of weights are arranged on the front end surface of the pressing block fixing plate, and the weights are detachably fixed on the front end surface of the pressing block fixing plate by weight fixing screws.

4. The push rod pressing device suitable for a rod rotating machine according to claim 1, characterized in that: A slot switch fixing plate is arranged on the rear end face of the slide rail fixing plate, and at least one slot switch is arranged on the front end face of the slot switch fixing plate. The slot switch is located on the space side of the pressure block fixing plate, and a position sensing sheet corresponding to the slot switch is arranged on the side of the pressure block fixing plate.

5. The push rod pressing device suitable for a rod rotating machine according to claim 4, characterized in that: The slot switch comprises an upper slot switch and a lower slot switch, the upper slot switch and the lower slot switch are arranged in a line vertically, and the position sensing sheet comprises an upper position sensing sheet and a lower position sensing sheet corresponding to the upper slot switch and the lower slot switch.

6. The push rod pressing device suitable for a rod rotating machine according to claim 1, characterized in that: The upper end of the slide rail fixing plate is connected to a main body fixing plate, and the main body fixing plate is connected to a protective cover that can cover the entire device, and the protective cover is connected to the main body fixing plate through a knob screw.

7. A pressing device group, characterized in that: It comprises three push rod pressing devices as described in any one of claims 1 to 6, wherein the three push rod pressing devices are arranged in sequence in an arc shape and the pressing blocks face the inner side of the arc.

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