CN216621066U

CN216621066U - Stroke detection module

Info

Publication number: CN216621066U
Application number: CN202122981026.7U
Authority: CN
Inventors: 潘明涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-27
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a stroke detection module for detecting the stroke of a linear moving screw. The stroke detection module includes: the mounting assembly is provided with a mounting hole, a transmission hole and one or more locking holes, and the screw rod moves along the central line direction of the transmission hole. The stroke detection sensor is arranged in the mounting hole, the detection end of the stroke detection sensor is spaced from the surface of the screw rod by a preset detection distance, and the stroke detection sensor is used for sensing the thread change on the surface of the screw rod and outputting a waveform signal. And the locking assembly is arranged in the locking hole and locks the stroke detection sensor on the mounting assembly. The stroke detection sensor is arranged in the mounting hole, and the whole stroke detection sensor is protected by the mounting assembly, so that the safety is good. And non-contact detection is performed between the stroke detection sensor and the screw rod, so that the stroke detection sensor is used for sensing thread change to output a waveform signal, and the detection precision is high. The stroke detection sensor is detachably connected to the mounting assembly through the locking assembly, and the assembly is convenient.

Description

Stroke detection module

Technical Field

The utility model relates to the technical field of measurement, in particular to a stroke detection module.

Background

The nozzle device of the injection molding machine is provided with a screw for pushing the molten raw materials to inject the molten raw materials into the mold cavity. The moving stroke of the screw is used for correspondingly controlling the injection molding machine to quantitatively output raw materials corresponding to gram weight, the peripheral wall of the screw is provided with threads, and the sections of the threads on the screw in the axial direction form a uniform wave-shaped curve.

In the related art, an injection molding machine detects a stroke of a screw using a photoelectric sensor, in which a grating mechanism used in cooperation with the photoelectric sensor is installed outside a nozzle device. The grating machine is easily polluted by external dirt, detection failure is caused, frequent overhauling and maintenance are needed, labor cost is high, and therefore improvement is needed.

Disclosure of Invention

The utility model aims to provide a stroke detection module.

The technical scheme adopted by the utility model is as follows: a stroke detecting module for detecting a stroke of a linearly moving screw, the stroke detecting module comprising:

the mounting assembly is provided with a mounting hole, a transmission hole communicated with the mounting hole and one or more locking holes, and the screw moves along the central line direction of the transmission hole;

the stroke detection sensor is arranged in the mounting hole, a detection end of the stroke detection sensor is spaced from the surface of the screw rod by a preset detection distance, and the stroke detection sensor is used for sensing the thread change on the surface of the screw rod and outputting a waveform signal;

and the locking assembly is arranged in the locking hole and locks the stroke detection sensor on the mounting assembly.

In an embodiment, the stroke detection sensor includes a housing, a probe assembly installed in the housing, a signal line group electrically connected to the probe assembly, and a sealing colloid formed in the housing by potting, the housing is connected to the mounting hole in an inserting manner, the signal line group penetrates out of the mounting hole, the probe assembly faces the screw rod, and the bottom wall of the housing separates the probe assembly from the screw rod.

In one embodiment, the probe assembly includes a detection plate, a control plate, an insulation ring, a conductive member connecting the detection plate and the control plate, and at least one annular magnetic member surrounding the conductive member, the insulation ring surrounds the conductive member and is located between the annular magnetic member and the detection plate, and the detection plate faces the bottom wall of the housing and is spaced from the screw.

In an embodiment, the mounting hole is configured with a planar rotation-preventing surface, and the stroke detection sensor is configured with a positioning surface adapted to the rotation-preventing surface.

In one embodiment, the locking hole is opposite to the rotation-preventing surface.

In an embodiment, the locking assembly includes a first locking member and a second locking member that are distributed at intervals along a center line direction of the mounting hole, the first locking member is fixedly connected with the mounting assembly and elastically abuts against the stroke detection sensor, and the second locking member is detachably connected with the mounting assembly and abuts against the stroke detection sensor.

In an embodiment, a distance from the first locking member to the screw is greater than a distance from the second locking member to the screw, and the first locking member is elastically abutted to the stroke detection sensor.

In one embodiment, the first locking member is configured as a fixed structural member made of plastic or nylon; or, first locking part include sliding connection in the sliding block of installation component and elasticity butt in the elastic component of sliding block, the sliding block is in under the elastic component elastic force effect butt in stroke detection sensor.

In one embodiment, the locking assembly includes a locking block and a fastener mounted to the locking block, the mounting assembly is configured with a mounting slot intersecting the mounting hole, the locking block is inserted into the mounting slot and engages the travel detection sensor, and the fastener is locked to the mounting assembly.

In an embodiment, the installation component includes the mounting bracket that is the rectangular cross section, the mounting hole perpendicular to one of them side surface of mounting bracket, the central line in locking hole with the mounting hole central line is perpendicular, the mounting bracket disposes the installation department, the installation department is used for being fixed in the injection molding machine with the installation component.

After adopting the structure, compared with the prior art, the utility model has the advantages that: the stroke detection sensor is arranged in the mounting hole, and the whole stroke detection sensor is protected by the mounting assembly, so that the safety is good. And non-contact detection is performed between the stroke detection sensor and the screw rod, so that the stroke detection sensor is used for sensing thread change to output a waveform signal, and the detection precision is high. The stroke detection sensor is detachably connected to the mounting assembly through the locking assembly, and the assembly is convenient.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of a stroke detection module of the present invention.

Fig. 2 is a schematic sectional structure view of the stroke detecting module of the present invention.

Fig. 3 is an exploded view of the stroke sensing module of the present invention.

Fig. 4 is a schematic structural view of the stroke detecting sensor of the present invention.

Fig. 5 is a schematic sectional structure view of the stroke detecting sensor of the present invention.

In the figure: a screw 10; a mounting assembly 20; a mounting hole 21; a drive hole 22; a locking hole 23; a mounting frame 24; a stroke detection sensor 30; a housing 31; an annular wall 311; a bottom wall 312; a positioning surface 313; a positioning groove 314; a probe assembly 32; a control board 321; a positioning boss 3211; a processor 3212; a detection board 322; an induction circuit board 3221; the sensing chip 3222; a pointing surface 3223; a conductive member 323; a cell 3231; an insulator 3232; a ring-shaped magnetic member 324; an insulating ring 325; a sealing gel 33; the signal line group 34; a locking assembly 40; a first locking piece 41; a second locking member 42.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

In the embodiment, as shown in fig. 1 to 3, the utility model discloses a stroke detection module, which is applied to the industries of plastic machines and die casting, and the stroke detection module is used for detecting the stroke of a linear moving screw 10. The stroke detection module includes: the mounting member 20, the stroke detection sensor 30 mounted to the mounting hole 21, and the locking member 40 mounted to the mounting member 20 and locking the stroke detection sensor 30.

The mounting component 20 is provided with a mounting hole 21, a transmission hole 22 communicated with the mounting hole 21 and one or more locking holes 23, the transmission hole 22 penetrates through the mounting component 20, and the screw 10 moves along the central line direction of the transmission hole 22. The mounting hole 21 is communicated with the transmission hole 22, and the center lines of the mounting hole 21 and the transmission hole 22 are intersected at a corresponding angle, for example, the center line of the mounting hole 21 and the center line of the transmission hole 22 are perpendicular to each other. The stroke detection sensor 30 is attached to the attachment hole 21, and the lock unit 40 is attached to the lock hole 23 to lock the stroke detection sensor 30 to the attachment unit 20. The stroke detection sensor 30 is installed in the installation hole 21, and the whole is protected by the installation component 20, so that the safety is good. The stroke detection sensor 30 is detachably connected to the mounting assembly 20 through the locking assembly 40, and the assembly is convenient.

Wherein, the detection end of the stroke detection sensor 30 is spaced from the surface of the screw 10 by a preset detection distance. Wherein, the detection distance of presetting on stroke detection sensor 30 and the surface of screw rod 10 requires nimble adjustment according to the detection of difference, for example, the detection distance on stroke detection sensor 30's detection end and the surface of screw rod 10 sets up to 0.1 ~ 3mm to make both intervals set up, specifically, the detection distance sets up to 0.1mm, 0.2mm, 0.5mm, 0.6mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 1.8mm, 2mm, 2.5mm, 3 mm. The stroke detecting sensor 30 is used to sense a thread variation of the surface of the screw 10 during the movement or rotation of the screw 10 to output a waveform signal. The stroke detection sensor 30 and the screw 10 are in non-contact detection, and are used for sensing thread change so as to output a waveform signal, and the detection precision is high. The stroke detection sensor 30 is configured with a magnetic induction structure, and generates an electromagnetic signal by the peak-to-valley change formed during the movement of the screw 10, and then outputs a waveform signal.

As shown in fig. 3 to 5, in an embodiment, the stroke detection sensor 30 includes a housing 31, a probe assembly 32 installed in the housing 31, a signal line set 34 electrically connected to the probe assembly 32, and a sealant 33 molded in the housing 31, wherein the housing 31 is inserted into the installation hole 21. The signal line group 34 passes out of the mounting hole 21, the probe assembly 32 faces the screw 10, and the bottom wall 312 of the housing 31 separates the probe assembly 32 from the screw 10.

The housing 31 is a thin-walled structural container member made of a non-magnetic conductive material, which is provided with a receiving cavity. Specifically, the sealant 33 is filled into the receiving cavity to seal the probe assembly 32 in the housing 31. The sealed colloid 33 is filled in the storage cavity, so that the relative position of the probe assembly 32 and the shell 31 can be stabilized, the influence of external water vapor medium on the probe assembly 32 can be blocked, and the working condition is good. The shell 31 is connected to the mounting hole 21 in an inserting manner and is matched and fixed with the mounting component 20, and the whole mounting position is stable. The housing 31 includes a bottom wall 312, an annular wall 311 surrounding the bottom wall 312, and a positioning surface 313 disposed on the annular wall 311, where a surrounding area of the bottom wall 312 and the annular wall 311 form an accommodating cavity, and the positioning surface 313 is configured to be located on a plane of an outer peripheral wall of the annular wall 311. The annular wall 311 is tubular in construction so that the housing 31 is tubular in construction with one end closed. For example, the annular wall 311 is in the shape of a circular tube, a rectangular tube, or a profiled tube configured at least partially as a plane. The positioning surface 313 is disposed on the outer peripheral wall of the arc-shaped wall to form an anti-rotation structure, thereby improving the controllability of the installation direction of the stroke sensor 30 and the detection direction of the mark.

Accordingly, the mounting hole 21 is configured with a planar rotation-preventing surface, and the positioning surface 313 is matched with the rotation-preventing surface, so that the assembly direction controllability of the housing 31 and the mounting component 20 is improved, and the rotation of the stroke detection sensor 30 relative to the mounting component 20 can be avoided. Alternatively, the mounting hole 21 is provided as a stepped hole through which the housing and mounting assembly 20 are positioned. Optionally, the mounting hole 21 is a through hole, the housing is in clearance fit with the mounting assembly 20, and is locked and positioned by the locking assembly 40, so that the mounting position is conveniently adjusted. Optionally, the locking hole 23 is disposed opposite to the rotation-preventing surface, so that the locking component 40 abuts against the housing 31, and the rotation-preventing surface and the positioning surface 313 are kept attached to each other, thereby improving the installation accuracy. Moreover, curved surfaces are arranged on two sides of the positioning surface 313, so that the automatic positioning effect is achieved, and the attaching degree of the rotation preventing surface and the positioning surface 313 is improved.

The probe assembly 32 is used for detecting the moving stroke of the screw 10, and is separated from the screw 10 by the bottom wall 312 of the housing 31, so as to form non-contact detection, and the probe assembly 32 is wholly sealed in the housing 31, and is little influenced by external environment factors and has high working stability.

Specifically, the probe assembly 32 includes a sensing plate 322, a control board 321, an insulating collar 325, a conductive member 323 connecting the sensing plate 322 and the control board 321, and at least one annular magnetic member 324 surrounding the conductive member 323, wherein the insulating collar 325 surrounds the conductive member 323 and is located between the annular magnetic member 324 and the sensing plate 322, and the sensing plate 322 is disposed toward the bottom wall 312 of the housing 31 and spaced apart from the screw 10. The conductive member 323 is configured as a wire or a pin strip or a metal rod spaced apart from each other, and connects the detection board 322 and the control board 321 to transmit an electrical signal between the detection board 322 and the control board 321.

The detection plate 322 faces the bottom wall 312 of the housing chamber, that is, when the stroke detection sensor 30 is applied to the injection molding machine, the bottom wall 312 of the housing chamber is located between the detection plate 322 and the screw 10. The sensing board 322 is used for sensing the thread change on the screw 10, so as to output a corresponding waveform signal, which is transmitted to the control board 321 through the conductive member 323. The signal line group 34 is electrically connected to the control board 321 and extends outside the housing 31, thereby transmitting a waveform signal to the control unit of the injection molding machine. Optionally, the detection board 322 includes an induction circuit board 3221 and an induction chip 3222 mounted on the induction circuit board 3221, the induction chip 3222 and the conductive member 323 are respectively located on two oppositely-disposed surfaces of the induction circuit board 3221, wherein the induction chip 3222 faces the bottom wall 312 of the receiving cavity. The surface of the sensing circuit board 3221 is parallel to the bottom wall 312, so that the positioning accuracy of the sensing chip 3222 is improved.

The annular magnetic member 324 is in an annular structure, and surrounds the conductive member 323 and faces the sensing circuit board 3221 side, so that the sensing chip 3222 is within a magnetic field range of the annular magnetic member 324. An insulating ring 325 surrounds conductive member 323 and is positioned between annular magnetic member 324 and sensing plate 322 to space annular magnetic member 324 from sensing plate 322 and improve the sensing sensitivity of sensing plate 322. The probe assembly 32 determines the moving stroke of the screw 10 by magnetically inducing the waveform change of the screw 10, and has high detection precision and low maintenance cost.

The edge of the sensing circuit board 3221 is provided with a pointing surface 3223, the sensing chip 3222 faces the bottom wall 312, and the pointing surface 3223 is parallel to the positioning surface 313. The pointing surface 3223 facilitates a user to determine the assembling direction and the detecting direction of the detecting plate 322, wherein the pointing surface 3223 is parallel to the positioning surface 313, and the assembling direction of the sensing circuit board 3221 can be accurately determined. Optionally, pointing surface 3223 is located a distance from positioning surface 313 that is less than the distance of the centerline of sensing plate 322 from positioning surface 313. Wherein a centerline of sensing plate 322 may be defined as an axis of sensing plate 322.

Further, the center of the sensing chip 3222 coincides with the axis of the ring-shaped magnetic member 324, so that the magnetic field strength of the sensing chip 3222 is the same at various angles. In the moving process of the screw 10, the sensing chip 3222 can detect the change of the waveform curve formed by the fluctuation of each thread on the screw 10, and then determine the stroke of the screw 10, so that the detection is accurate.

The ring-shaped magnetic member 324 may be configured in a circular ring structure in which the S-pole of the ring-shaped magnetic member 324 faces the side of the detection plate 322, thereby enabling the detection plate 322 to generate a corresponding electrical signal when the screw 10 moves. Alternatively, the ring-shaped magnetic members 324 are configured in two, and the outer diameter of the ring-shaped magnetic member 324 is smaller than or equal to the outer diameter of the detection plate 322. The height size and the magnetic field intensity of the annular magnetic pieces 324 can be adjusted through the number of the annular magnetic pieces 324, and the use convenience is improved.

The housing 31 further includes a positioning groove 314 extending from an end surface of the annular wall 311 toward the bottom wall 312, and the positioning groove 314 is located at the opening of the housing 31. The number of the positioning grooves 314 may be set to one or more. Alternatively, the detents 314 are configured in two and collinear configurations, with the two detents 314 lying in a plane parallel to the detent surface 313. The two positioning slots 314 form a plane and are in the same straight line.

The probe assembly 32 is inserted into the receiving cavity, and at least a portion of the probe assembly 32 is inserted into the positioning slot 314, thereby defining the insertion depth of the probe assembly 32 and controlling the distance between the sensing chip 3222 and the bottom wall 312. Specifically, the edge of control panel 321 is provided with location boss 3211, and location boss 3211 pegs graft in constant head tank 314. The probe assembly 32 is connected with the shell 31 through the positioning boss 3211 of the control plate 321, so that the insertion depth and angle of the probe assembly 32 are limited, and the positioning control effect is good.

The conductive member 323 includes a cell 3231 and an insulating member 3232 enclosing the cell 3231, the cell 3231 is connected to the detection board 322 and the control board 321, and the annular magnetic member 324 surrounds the insulating member 3232. The battery cell 3231 is made of a metal material, and the detection board 322 and the control board 321 are connected through the battery cell 3231 to transmit electrical signals, such as voltage and current signals. The insulator 3232 separates two adjacent cells 3231 to avoid interference. In addition, the insulating member 3232 is located in a surrounding area of the annular magnetic member 324, and separates the annular magnetic member 324 from the battery cell 3231, so that a good blocking effect is achieved. Further, the outer peripheral wall of the insulating member 3232 and the inner peripheral wall of the annular magnetic member 324 are positioned in a mutually limited manner, so that the annular magnetic member 324 and the insulating member 3232 are mutually matched, and the mounting accuracy is improved.

The plane of the control plate 321 intersects with the plane of the detection plate 322, for example, the plane of the control plate 321 is perpendicular to the plane of the detection plate 322. The control board 321 includes a control circuit board, an amplifying circuit disposed on the control circuit board, and a processor 3212, and the processor 3212 is electrically connected to the amplifying circuit and the detection board 322. The processor 3212 is configured to process the detection signal output by the detection board 322, and the amplification circuit amplifies the detection signal and outputs the amplified detection signal through the signal line group 34. The signal line group 34 includes four signal lines to output or input corresponding electrical signals, respectively.

As shown in fig. 1 to 3, the locking member 40 locks and connects the stroke detection sensor 30 to the mounting member 20, and for example, the locking member 40 is configured as one or more fasteners, and the fasteners are mounted to the mounting member 20 and abut against the outer circumferential wall of the stroke detection sensor 30, thereby fixing the stroke detection sensor 30. Alternatively, the fasteners are configured in two, lockable to the stroke detection sensor 30 along the axial or radial direction of the mounting hole 21.

In an embodiment, the locking assembly 40 includes a first locking member 41 and a second locking member 42 spaced apart from each other along a center line of the mounting hole 21, the first locking member 41 is fixedly connected to the mounting assembly 20 and elastically abuts against the stroke detecting sensor 30, and the second locking member 42 is detachably connected to the mounting assembly 20 and abuts against the stroke detecting sensor 30.

The first locking pieces 41 and the second locking pieces 42 are distributed at intervals in the axial direction of the mounting hole 21, and the first locking pieces 41 and the second locking pieces 42 are respectively abutted against the stroke detection sensor 30 to form a multipoint positioning structure. Wherein, first mounting and stroke detection sensor 30 elasticity butt can keep stroke detection sensor 30 and mounting hole 21 in the gesture that closely cooperates again can relative slip, improves the convenience of assembly and position control. After the stroke detection sensor 30 is installed to the preset position, the second locking member 42 is abutted to the installation position of the locking stroke detection sensor 30 to keep the installation position of the stroke detection sensor 30 unchanged, so that the stability of the station position of the stroke detection sensor 30 is improved, and the mounting and dismounting are convenient.

Alternatively, the distance of the first locking member 41 from the screw 10 is greater than the distance of the second locking member 42 from the screw 10, and the first locking member 41 elastically abuts against the stroke detection sensor 30. That is, the first locking member 41 is close to the opening of the mounting hole 21, so that the stroke detection sensor 30 always moves in contact with the first locking member 41 in the process of being installed in the mounting hole 21, and can be installed in clearance fit with the mounting hole 21, and high installation accuracy and convenience in assembly can be maintained.

In an alternative embodiment, the first locking member 41 is configured as a fixed structural member made of plastic or nylon, which has a slight amount of elastic deformation. The first locking member 41 is elastically deformed under the extrusion of the housing 31, so that the arc surface of the housing 31 abuts against the first locking member 41, and the positioning surface 313 and the rotation preventing surface are attached to each other. In an alternative embodiment, the first locking member 41 includes a sliding block slidably connected to the mounting member 20 and an elastic member elastically abutting against the sliding block, and the sliding block abuts against the stroke detection sensor 30 under the elastic force of the elastic member. The slider may be configured as a block or ball structure which protrudes out of the hole wall of the mounting hole 21 by the elastic force of the elastic member. The sliding block overcomes the elastic force of the elastic element to retract into the mounting assembly 20 under the extrusion of the shell 31, so that the arc surface of the shell 31 is abutted against the sliding block, and the positioning surface 313 and the rotation-preventing surface are attached to each other.

In another alternative embodiment, the locking assembly 40 includes a locking block and a fastener mounted to the locking block, the mounting assembly 20 is configured with a mounting slot intersecting the mounting hole 21, the locking block fits into the mounting slot and engages the stroke detection sensor 30, and the fastener is locked to the mounting assembly 20.

The mounting slot is recessed from the surface of the mounting component 20 to form a notch structure, and the mounting slot intersects the mounting hole 21 so that a portion of the mounting slot is located in the region of the mounting hole 21. The locking block is mounted to the mounting groove and partially located in the mounting hole 21, thereby clamping the fixed stroke detecting sensor 30.

As shown in fig. 1-3, mounting assembly 20 is integrally mounted to an injection molding machine and cooperates with screw 10. In one embodiment, the mounting assembly 20 includes a mounting bracket 24 having a rectangular cross-section, the mounting bracket 24 having a rectangular configuration for ease of positioning and securing. Wherein, the mounting hole 21 is perpendicular to one side surface of the mounting bracket 24, and the center line of the locking hole 23 is perpendicular to the center line of the mounting hole 21. The mounting hole 21 and the locking hole 23 are respectively machined from the surfaces of two sides which are perpendicular to each other, so that the machining convenience and the machining precision are improved.

Further, the mounting bracket 24 is configured with a mounting portion for securing the mounting assembly 20 to an injection molding machine. The mounting portion is configured as a mounting hole, a mounting boss, a mounting surface, etc. provided on the surface of the mounting bracket 24 to improve convenience of assembly. It should be noted that the structure of the mounting frame 24 is not limited thereto, and the shape and mounting position thereof are flexibly adjusted to the structure required by the injection molding machine.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application. Other structures and principles are the same as those of the prior art, and are not described in detail herein.

Claims

1. A stroke detection module for detecting a stroke of a linearly moving screw, the stroke detection module comprising:

2. The stroke detection module of claim 1, wherein the stroke detection sensor comprises a housing, a probe assembly mounted in the housing, a signal line assembly electrically connected to the probe assembly, and a sealant molded in the housing, the housing is connected to the mounting hole in an inserting manner, the signal line assembly penetrates out of the mounting hole, the probe assembly faces the screw, and the bottom wall of the housing separates the probe assembly from the screw.

3. The stroke sensing module of claim 2, wherein the probe assembly includes a sensing plate, a control board, an insulating ring, a conductive member connecting the sensing plate and the control board, and at least one annular magnetic member surrounding the conductive member, the insulating ring surrounding the conductive member and being located between the annular magnetic member and the sensing plate, the sensing plate being oriented toward the bottom wall of the housing and spaced apart from the screw.

4. The stroke detection module of claim 1, wherein the mounting hole is configured with a planar rotation prevention surface, and the stroke detection sensor is configured with a positioning surface adapted to the rotation prevention surface.

5. The stroke detection module of claim 4, wherein the locking hole is disposed opposite the anti-rotation surface.

6. The stroke detection module of claim 1, wherein the locking assembly comprises a first locking member and a second locking member spaced apart from each other along a center line of the mounting hole, the first locking member is fixedly connected to the mounting assembly and elastically abuts against the stroke detection sensor, and the second locking member is detachably connected to the mounting assembly and abuts against the stroke detection sensor.

7. The stroke detection module of claim 6, wherein the first locking member is spaced further from the threaded rod than the second locking member, the first locking member being in resilient abutment with the stroke detection sensor.

8. The travel detection module of claim 6, wherein the first locking member is configured as a fixed structural member made of plastic or nylon; or, first locking part include sliding connection in the sliding block of installation component and elasticity butt in the elastic component of sliding block, the sliding block is in under the elastic component elastic force effect butt in stroke detection sensor.

9. The stroke detecting module of claim 1, wherein the locking assembly includes a locking block and a fastener mounted to the locking block, the mounting assembly configured with a mounting slot that intersects the mounting hole, the locking block inserted into the mounting slot and capturing the stroke detecting sensor, the fastener locked to the mounting assembly.

10. The stroke detection module of claim 1, wherein the mounting assembly comprises a mounting bracket having a rectangular cross-section, the mounting hole is perpendicular to one side surface of the mounting bracket, a center line of the locking hole is perpendicular to a center line of the mounting hole, the mounting bracket is configured with a mounting portion, and the mounting portion is used for fixing the mounting assembly to an injection molding machine.