CN219665890U - Guide material channel of numerical control machine tool - Google Patents

Abstract

The utility model discloses a material guide channel of a numerical control machine tool, which comprises a material guide channel mechanism arranged on a numerical control machine tool table. This digit control machine tool's guide material way, through being provided with the auxiliary material subassembly, the front end at digit control machine tool table and guide material way mechanism is the unloading department of guide material way mechanism promptly, the level is provided with the guide area board, install fixed picture peg in fixed slot, under the drive of location spring elasticity, make the location inserted bar insert establish inside the location slot, can install the slant guide along, change the operation above, when unloading this moment, can drive the material and carry to the guide area board department that flushes with guide material way mechanism, drive the material through slant guide along department and descend, place material collecting device along the lower extreme at slant guide, can improve the facility when receiving the material, avoid follow-up need to take the action in proper order to the product, when reducing artifical intensity of labour, also can be suitable for more environment.

Description

Guide material channel of numerical control machine tool

Technical Field

The utility model relates to the field of machine tools, in particular to a material guide channel of a numerical control machine tool.

Background

The numerical control machine tool can better solve the problems of complex, precise, small batch and multi-variety part processing, is a relatively high-efficiency automatic machine tool, and is formed by combining a plurality of mechanisms, wherein a material guide channel is arranged on the machine tool, so that products can be quickly conveyed, the whole working efficiency of the machine tool can be greatly improved while feeding operation is finished, and the labor intensity of workers in manual material conveying is also reduced;

according to the patent document: the utility model provides a digit control machine tool with guide way is disclosed in CN214867496U, which comprises a frame, the inside right side of frame is provided with the mount, the equal fixedly connected with slider in the left and right sides at mount back, the back sliding connection of slider is at the spout, the positive right side at the frame is seted up to the spout, the upper surface joint of slider has the sliding sleeve, sliding connection has the slide bar in the sliding sleeve, the top and the bottom of slide bar are fixed connection respectively at the upper surface and the lower surface of spout inner wall. This digit control machine tool with guide way, through setting up the guide structure in the frame, utilize actuating mechanism to drive four connecting blocks and drive mechanism rotatory for the drive belt rotates on the mount under drive mechanism's effect, conveys corresponding station to the part on the drive belt that falls down, need not the manual part of taking off, has reduced the amount of labour, avoids the part to pile up simultaneously on the lathe to influence processing, thereby has brought convenient for using.

At present, the guide material way of traditional digit control machine tool, when carrying the material, generally, the material way length that corresponds is formulated according to the quantity etc. circumstances that corresponds the material and carries, the material way has material loading department and unloading department, according to setting up the length, with material transmission to the lathe in, carry out the processing step, the material loading is generally imported by the manual work, when the unloading, not be provided with the supplementary unloading structure that corresponds, at this moment, the production after not being difficult to processing is collected to the frame that the material was said to the tail end and is established in, the facility when having reduced the receipts material, need take in proper order the material, manual labor intensity has been strengthened.

Disclosure of Invention

The utility model aims to provide a material guide channel of a numerical control machine tool, which aims to solve the problems that in the prior art, the material guide channel of the traditional numerical control machine tool is provided, when materials are conveyed, the length of the corresponding material channel is generally formulated according to the quantity of the corresponding materials conveyed and the like, the material channel is provided with a feeding position and a discharging position, the materials are conveyed into the machine tool according to the set length to carry out processing steps, the feeding is generally guided by manpower, and when the materials are discharged, the corresponding auxiliary discharging structure is not arranged, the produced materials after production and processing are not easy to collect in a frame arranged at the tail end of the material channel, the convenience in material collection is reduced, the materials are required to be taken in sequence, and the labor intensity of manpower is enhanced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the material guide channel comprises a material guide channel mechanism arranged on a numerical control machine table, wherein a material guide area base is arranged at the bottom of the numerical control machine table, and auxiliary material components are arranged at openings of the numerical control machine table and the material guide channel mechanism;

the auxiliary material subassembly includes the guide district board, the guide district board sets up the front end at guide material way mechanism and numerical control machine table, be provided with adjustment subassembly between guide district board and the numerical control machine table, the top of guide district board front end is provided with oblique guide along, the connection end plate is installed along the one end that is close to the guide district board to oblique guide, fixed picture peg is installed to the inner of connection end plate, fixed slot has been seted up to the inside front end of guide district board, and the other end of fixed picture peg inserts the inside of establishing at fixed slot, be provided with fixed knot between fixed picture peg and the guide district board, the clamp plate is installed to the one end that the guide district board is close to the numerical control machine table, the clamp plate deviates from the one end on oblique guide along and glues and have the skid resistant course, and the other end and the numerical control machine table end of skid resistant course are in the state of extruding each other.

Preferably, the fixed knot constructs including the location inserted bar, the inside both ends department of guide district board has all symmetrically offered movable inside groove, the inside movable mounting of movable inside groove has movable block, be provided with positioning spring between movable block and the movable inside groove, and positioning spring's the other end extends to the outside movable mounting of movable inside groove and has outer limiting plate, the location inserted bar is installed respectively at corresponding outer limiting plate inner, the location slot has all been seted up at the outside both ends of fixed picture peg, and the other end of location inserted bar runs through in guide district board and inserts and establish inside assorted location slot.

Preferably, a protective inner convex part is arranged between the positioning slot and the positioning inserted rod, and a pull handle is fixedly connected to the outer wall of the outer limiting plate.

Preferably, one end of the protection inner convex part is glued on the inner wall of the positioning slot, and the other end of the protection inner convex part and the inserting end of the positioning inserting rod are in a mutually attached state.

Preferably, the end of the fixed plugboard, which is away from the connecting end plate, is glued with a protection inner end head, and the material of the protection inner end head is rubber.

Preferably, the adjusting part comprises a first front plate, first front plate horizontal installation is in the front end of digit control machine tool platform, the side frame is vertically installed to the outside one end of first front plate, be provided with stable structure between side frame and the guide district base, the inside of side frame has been seted up the activity and has been grooved, the inside wall of activity inner grooving has the threaded rod through the vertical movable mounting of bearing, there is the sleeve through threaded connection on the threaded rod, telescopic one end runs through in digit control machine tool platform movable mounting has the connecting rod, and the connecting rod deviates from telescopic one end and vertically installs the sill bar, the other end of sill bar is installed in the corresponding position in first front plate bottom, install the height-adjusting plate body between first front plate and the guide district board, the top of threaded rod runs through in digit control machine tool platform movable mounting T shape change the handle, and the outside cover of T shape change handle department is equipped with the antiskid cover.

Preferably, the stabilizing structure comprises a second front plate, the second front plate is arranged below one end of the side frame, the second front plate is arranged at the upper end of the base of the material guiding area, the side plate is arranged in front of one end outside the base of the material guiding area, the top of the side plate is provided with a U-shaped frame and a positioning plugboard, the other end of the positioning plugboard extends to the second front plate to be arranged in a corresponding groove, an inner slot is formed in the upper end inside the positioning plugboard, an inner inserting rod is movably arranged in the inner slot, and elastic ends are glued at the front end and the rear end of the inner inserting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with the auxiliary material subassembly, at the front end of digit control machine tool table and guide material way mechanism, be the unloading department of guide material way mechanism, the level is provided with the guide district board, install fixed picture peg in fixed slot, and under the drive of location spring elasticity, make the location inserted bar insert in the location slot inside, can install the slant guide edge, change the operation above it, at this moment, when unloading, can drive the material and carry to the guide district board department that flushes with guide material way mechanism, after driving the material through slant guide edge department and descending, place material collecting device at slant guide edge lower extreme, the convenience when can improve the receipts material, avoid the action that need take the product in proper order in the follow-up, while reducing manual labor intensity, more environment can also be suitable for;

2. through being provided with adjusting part, rotate T shape twist grip handle department, owing to T shape twist grip and threaded rod structural design as an organic whole, then under the drive of power for the threaded rod is grooved inside rotation in the activity, owing to sleeve threaded connection is on the threaded rod, drives the sleeve and reciprocates when the threaded rod rotates, connecting rod and sleeve interconnect, have the sill bar to be connected between connecting rod and the first front bezel, can drive first front bezel overall structure and reciprocate this moment, with according to the demand of unloading, carry out the adjustment to a certain extent to its supplementary height.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view showing a bottom perspective cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a right side perspective cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of a left side view, perspective and partial structure of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

fig. 7 is an enlarged schematic view of the structure of fig. 4C according to the present utility model.

In the figure: 1. a numerical control machine tool table; 101. a material guide channel mechanism; 102. a base of the material guiding area; 2. a first front plate; 201. heightening the plate body; 202. a material guiding area plate; 203. oblique guide edges; 204. connecting end plates; 205. fixing the plugboard; 206. a fixed slot; 207. protecting the inner end; 208. a pressing plate; 209. an anti-slip layer; 3. a movable inner tank; 301. a movable block; 302. a positioning spring; 303. an outer limiting plate; 304. a pull handle; 305. positioning the slot; 306. positioning the inserted link; 307. protecting the inner convex part; 4. a side rack; 401. movable inner slotting; 402. a threaded rod; 403. a sleeve; 404. a connecting rod; 405. a bottom bar; 406. a T-shaped rotating handle; 407. an anti-skid sleeve; 5. a second front plate; 501. a side plate; 502. positioning the plugboard; 503. an inner insert rod; 504. an elastic end; 505. an inner slot; 506. u-shaped frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 5, the present utility model provides a technical solution: the material guide channel of the numerical control machine tool comprises a material guide channel mechanism 101 arranged on a numerical control machine tool table 1, a material guide area base 102 is arranged at the bottom of the numerical control machine tool table 1, and auxiliary material components are arranged at openings of the numerical control machine tool table 1 and the material guide channel mechanism 101 in order to improve convenience in material receiving and avoid the follow-up actions of sequentially taking products; the auxiliary material assembly comprises a guide area plate 202, the guide area plate 202 is arranged at the front end of the guide channel mechanism 101 and the numerical control machine table 1, an inclined guide edge 203 is arranged above the front end of the guide area plate 202, a connecting end plate 204 is arranged at one end of the inclined guide edge 203, which is close to the guide area plate 202, a fixed insertion plate 205 is arranged at the inner end of the connecting end plate 204, a fixed slot 206 is formed at the front end inside the guide area plate 202, the other end of the fixed insertion plate 205 is inserted into the fixed slot 206, a fixed structure is arranged between the fixed insertion plate 205 and the guide area plate 202, a pressing plate 208 is arranged at one end of the guide area plate 202, which is close to the numerical control machine table 1, an anti-slip layer 209 is glued at one end of the pressing plate 208, which is away from the inclined guide edge 203, and the other end of the anti-slip layer 209 and the universal end of the numerical control machine table 1 are in a mutually extruded state; the front ends of the numerical control machine table 1 and the material guiding channel mechanism 101 are the blanking part of the material guiding channel mechanism 101, the material guiding area plate 202 is horizontally arranged, the material guiding area plate 202 is close to the end of the numerical control machine table 1 and is provided with the pressing plate 208, gap filling is carried out, the material guiding area plate 202 is convenient to attach to the numerical control machine table 1, the fixed insertion plate 205 is inserted into the fixed insertion groove 206 at the moment, then under the driving of the elastic force of the positioning spring 302, the positioning insertion rod 306 is inserted into the positioning insertion groove 305, the installation of the oblique material guiding edge 203 can be completed, the installation length of the oblique material guiding edge 203 can be replaced according to the requirement, at the moment, after the material is conveyed to the material guiding area plate 202 which is flush with the material guiding channel mechanism 101 during blanking, the material is driven to fall through the oblique material guiding edge 203, and the material collecting equipment is placed at the lower end of the oblique material guiding edge 203, so that the convenience in material collecting can be improved, the follow-up motion of taking products in sequence is avoided, more manual labor intensity is reduced, and the material collecting environment can be suitable.

Referring to fig. 2, 3 and 5, in order to fix the fixing insert plate 205 installed in the fixing slot 206, the fixing structure includes positioning insert rods 306, two ends of the inside of the material guiding area plate 202 are symmetrically provided with movable inner slots 3, movable blocks 301 are movably installed in the movable inner slots 3, positioning springs 302 are arranged between the movable blocks 301 and the movable inner slots 3, the other ends of the positioning springs 302 extend to the outside of the movable inner slots 3 and are movably provided with outer limiting plates 303, the positioning insert rods 306 are respectively installed at the inner ends of the corresponding outer limiting plates 303, two ends of the outside of the fixing insert plate 205 are provided with positioning insert slots 305, and the other ends of the positioning insert rods 306 penetrate through the material guiding area plate 202 and are inserted into the matched positioning insert slots 305; a protective inner convex part 307 is arranged between the positioning slot 305 and the positioning inserting rod 306, and a pull handle 304 is fixedly connected with the outer wall of the outer limiting plate 303; one end of the protection inner convex part 307 is glued on the inner wall of the positioning slot 305, and the other end of the protection inner convex part 307 and the inserting end of the positioning inserting rod 306 are in a mutually attached state; a protective inner end head 207 is glued to one end of the fixed plugboard 205, which is away from the connecting end plate 204, and the material of the protective inner end head 207 is rubber; if the pull handle 304 is moved outwards, the outer limiting plate 303 is driven to move towards the end far away from the material guiding area plate 202, so that the movable block 301 moves in the movable inner groove 3, the positioning spring 302 is stretched, the positioning inserting rod 306 can be pulled out of the positioning slot 305, the whole structure of the fixed inserting plate 205 is in a movable state, and the fixation is released; when the positioning inserted link 306 is installed, the positioning inserted link is mutually attached to the protection inner convex part 307, and the protection inner convex part 307 is made of rubber, so that collision of contact surfaces can be avoided, and the positioning inserted link is protected; the protective inner end 207 is made of rubber, and can protect the insertion end after the fixing insert 205 is mounted inside the fixing slot 206.

Referring to fig. 3, fig. 4, fig. 6 and fig. 7, in order to adjust the overall auxiliary height of the first front plate 2 to a certain extent according to the feeding requirement, an adjusting component is arranged between the material guiding area plate 202 and the numerically controlled machine table 1, the adjusting component comprises the first front plate 2, the first front plate 2 is horizontally arranged at the front end of the numerically controlled machine table 1, one end of the outer part of the first front plate 2 is vertically provided with a side frame 4, a stable structure is arranged between the side frame 4 and the material guiding area base 102, the inner part of the side frame 4 is provided with a movable inner slot 401, the inner wall of the movable inner slot 401 is vertically and movably provided with a threaded rod 402 through a bearing, the threaded rod 402 is connected with a sleeve 403 through threads, one end of the sleeve 403 penetrates through the numerically controlled machine table 1 and is movably provided with a connecting rod 404, one end of the connecting rod 404 deviating from the sleeve 403 is vertically provided with a bottom rod 405, the other end of the bottom rod 405 is arranged at a corresponding position at the bottom of the first front plate 2, the top of the threaded rod 402 penetrates through the numerically controlled machine table 1 and is movably provided with a T-shaped turning handle 406, and the outer part of the T-shaped turning handle 407 is provided with an anti-skid sleeve; the stabilizing structure comprises a second front plate 5, the second front plate 5 is arranged below one end of the side frame 4, the second front plate 5 is arranged at the upper end of the guide area base 102, a side plate 501 is arranged in front of one end outside the guide area base 102, a U-shaped frame 506 and a positioning plugboard 502 are arranged at the top of the side plate 501, the other end of the positioning plugboard 502 extends into a corresponding groove arranged on the second front plate 5, a height-adjusting plate body 201 is arranged between the first front plate 2 and the guide area plate 202, an inner slot 505 is formed at the upper end inside the positioning plugboard 502, an inner inserting rod 503 is movably arranged inside the inner slot 505, and elastic ends 504 are glued at the front end and the rear end of the inner inserting rod 503; the handle of the T-shaped rotating handle 406 is rotated, because the T-shaped rotating handle 406 and the threaded rod 402 are in an integrated structure design, the threaded rod 402 is driven by force to rotate in the movable inner slot 401, and because the sleeve 403 is connected to the threaded rod 402 in a threaded manner, when the threaded rod 402 rotates, the sleeve 403 is driven to move up and down, the connecting rod 404 is connected with the sleeve 403, a bottom rod 405 is arranged between the connecting rod 404 and the first front plate 2, and at the moment, the integral structure of the first front plate 2 can be driven to move up and down so as to adjust the auxiliary height to a certain extent according to the feeding requirement; the side frame 4 and the second front plate 5 are of an integral structural design, the side plate 501 is arranged on the side edge of the base 102 of the material guiding area, the positioning insertion plate 502 is inserted into the groove of the second front plate 5, the inner insertion rod 503 is transversely inserted into the inner insertion groove 505, the elastic ends 504 at two ends of the inner insertion rod 503 are elastic, so that the positioning is convenient, and meanwhile, the side frame 4 can be integrally installed, the integral structure is also facilitated to be removed, the using effect is improved, and when the T-shaped rotating handle 406 is rotated, the anti-skid sleeve 407 is of a rubber material design, and slipping of hands can be avoided.

Working principle: firstly, when materials are conveyed, the length of a corresponding material guiding channel mechanism 101 is generally formulated according to the conditions of the corresponding material conveying quantity and the like, the material guiding channel mechanism 101 is provided with a feeding part and a discharging part, materials are conveyed into the numerical control machine table 1 according to the set length, processing steps are carried out, after processing, the front ends of the numerical control machine table 1 and the material guiding channel mechanism 101, namely the discharging part of the material guiding channel mechanism 101, are horizontally provided with a material guiding area plate 202, the material guiding area plate 202 is provided with a pressing plate 208 close to the end of the numerical control machine table 1, gap filling is carried out, the material guiding area plate 202 is conveniently attached to the numerical control machine table 1, the front end of the material guiding area plate 202 is provided with an inclined material guiding edge 203, the inclined material guiding edge 203 and a connecting end plate 204 are in an integrated structure design, the connecting end plate 204 is connected with a fixed plugboard 205, at this time, the fixed plugboard 205 is inserted into the fixed slot 206, the movable block 301 moves inside the movable inner groove 3, at this time, under the driving of the elastic force of the positioning spring 302, the outer limiting plate 303 fixes the side edge of the numerical control machine table 1, and meanwhile, the positioning plugboard 306 is driven to be inserted into the positioning slot 305, so that the installation of the oblique guide edge 203 can be completed, the installation length of the oblique guide edge can be changed according to the requirement, at this time, when the material is discharged, the material can be driven to be conveyed to the position of the guide area plate 202 which is flush with the guide channel mechanism 101, after the material is driven to fall through the oblique guide edge 203, the material collecting equipment is placed at the lower end of the oblique guide edge 203, thereby improving the convenience in material collection, avoiding the follow-up action of taking products in sequence, reducing the labor intensity, and being applicable to more environments;

the handle of the T-shaped rotating handle 406 is rotated, because the T-shaped rotating handle 406 and the threaded rod 402 are integrally designed, the threaded rod 402 is driven by force to rotate in the movable inner slot 401, the sleeve 403 is connected to the threaded rod 402 through threads, the sleeve 403 is driven to move up and down when the threaded rod 402 rotates, the connecting rod 404 is connected with the sleeve 403, the bottom rod 405 is arranged between the connecting rod 404 and the first front plate 2, at the moment, the integral structure of the first front plate 2 can be driven to move up and down, so that the auxiliary height is adjusted to a certain extent according to the feeding requirement, the upper side frame 4 and the second front plate 5 are integrally designed, and the second front plate 5 is connected to the guide area base 102 through a stable structure, so that the working process of the whole device is realized, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a guide material way of digit control machine tool, includes guide material way mechanism (101) of setting on digit control machine tool platform (1), its characterized in that: a material guiding area base (102) is arranged at the bottom of the numerical control machine table (1), and auxiliary material components are arranged at openings of the numerical control machine table (1) and the material guiding channel mechanism (101);

the auxiliary material subassembly includes guide district board (202), guide district board (202) set up the front end at guide material way mechanism (101) and numerical control machine table (1), be provided with adjustment subassembly between guide district board (202) and numerical control machine table (1), the top of guide district board (202) front end is provided with oblique guide along (203), connecting end plate (204) are installed to the one end that oblique guide along (203) is close to guide district board (202), fixed picture peg (205) are installed to the inner of connecting end plate (204), fixed slot (206) have been seted up to the front end of guide district board (202) inside, and the other end of fixed picture peg (205) is inserted in the inside of fixed slot (206), be provided with fixed knot between fixed picture peg (205) and guide district board (202), clamp plate (208) are installed to the one end that guide district board (202) is close to numerical control machine table (1), clamp plate (208) deviate from the glued layer (209) of oblique guide along one end (203), and be in the state of extrusion of mutually all kinds of anti-slip layer (209).

2. The material guide channel of a numerical control machine according to claim 1, wherein: the fixed knot constructs including location inserted link (306), movable inside groove (3) have all been seted up to the inside both ends department of guide district board (202), movable inside groove (3) inside movable mounting has movable block (301), be provided with positioning spring (302) between movable block (301) and the movable inside groove (3), and the outside movable mounting that the other end of positioning spring (302) extends to movable inside groove (3) has outer limiting plate (303), location inserted link (306) are installed respectively at corresponding outer limiting plate (303) inner, positioning slot (305) have all been seted up at the outside both ends of fixed picture peg (205), and the other end of location inserted link (306) runs through in guide district board (202) and inserts and establish inside assorted positioning slot (305).

3. The material guide channel of a numerical control machine according to claim 2, wherein: a protection inner convex part (307) is arranged between the positioning slot (305) and the positioning inserting rod (306), and a pull handle (304) is fixedly connected to the outer wall of the outer limiting plate (303).

4. A guide chute for a numerically controlled machine tool as set forth in claim 3, wherein: one end of the protection inner convex part (307) is glued on the inner wall of the positioning slot (305), and the other end of the protection inner convex part (307) and the inserting end of the positioning inserting rod (306) are in a mutually attached state.

5. The material guide channel of a numerical control machine according to claim 1, wherein: one end of the fixed plugboard (205) deviating from the connecting end plate (204) is glued with a protection inner end head (207), and the material of the protection inner end head (207) is rubber.

6. The material guide channel of a numerical control machine according to claim 1, wherein: the utility model provides an adjusting part, including first front bezel (2), front bezel (2) horizontal installation is at the front end of digit control machine tool platform (1), side rest (4) are vertically installed to the outside one end of first front bezel (2), be provided with stable structure between side rest (4) and guide district base (102), movable internal slot (401) have been seted up to the inside of side rest (4), the inner wall of movable internal slot (401) has threaded rod (402) through the vertical movable mounting of bearing, there is sleeve (403) on threaded rod (402) through threaded connection, the one end of sleeve (403) runs through in digit control machine tool platform (1) movable mounting connecting rod (404), and the one end that deviates from sleeve (403) is vertical installs sill bar (405), the other end of sill bar (405) is installed in the corresponding position in first front bezel (2) bottom, install between first front bezel (2) and guide district board (202) and heighten plate (201), the top (402) is equipped with anti-skidding sleeve (406) in the outside of digit control machine tool platform (407) shape of turning over (1).

7. The material guide channel of the numerical control machine tool according to claim 6, wherein: the stabilizing structure comprises a second front plate (5), the second front plate (5) is arranged below one end of the side frame (4), the second front plate (5) is arranged at the upper end of the guide area base (102), the side plate (501) is arranged in front of one end outside the guide area base (102), the top of the side plate (501) is provided with a U-shaped frame (506) and a positioning plugboard (502), the other end of the positioning plugboard (502) extends into a corresponding groove formed in the second front plate (5), and the upper part of the positioning plugboard (502) is arranged inside the groove

An inner slot (505) is arranged at the end, an inner inserting rod (503) is movably arranged in the inner slot (505),

the front and rear ends of the inner insertion rod (503) are glued with elastic ends (504).