Flexible glue mold

By designing an inner and outer partition plate structure for a flexible adhesive mold, the mold core centering is eliminated, enabling high-precision and low-cost adhesive expansion sleeve production. This solves the problems of low precision, short lifespan, and high cost of existing molds, achieving high-precision, long-life, and low-cost production results.

CN116352929BActive Publication Date: 2026-03-20SHAANXI FAST GEAR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-30
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing adhesive molds have low production precision, short service life, high cost, and poor versatility, making them unable to meet the needs of mass production and trial production.

Method used

A flexible adhesive mold is designed, which adopts a structure in which inner and outer partition plates match the expansion sleeve substrate. The inner and outer partition plates form an adhesive cavity, enabling high-precision and long-life adhesive expansion sleeve production. The mold structure is modular, eliminating the need for mold core centering and utilizing the natural centering of the partition plates to achieve high-precision and low-cost production.

Benefits of technology

It achieves high-precision, long-life, and low-cost production of adhesive expansion sleeves, with batch expansion sleeve runout less than 0.01mm, a service life of more than 200,000 cycles, a manufacturing cycle of 15 days, a cost reduction of 50%, and a lifespan increase of 4 times.

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Abstract

The application discloses a flexible viscose glue mold, which comprises an inner partition plate, an outer partition plate, a glue injection cylinder, a sleeve base, a retainer, an inner upper end adjusting shaft, an inner lower end adjusting shaft, an upper index plate and a lower index plate. The inner partition plate and the outer partition plate are used as a framework, the cut sleeve base and the partition plate are naturally matched and connected to form a glue containing cavity, the partition plates are designed as two groups of inner and outer plates, each group has multiple layers, the radial positions of the layers can be adjusted, the teeth on all the partition plates and the glue injection cylinder are respectively clamped in the grooves of the upper index plate, the lower index plate and the retainer, the glue injection cylinder is evenly and equally spaced, the sleeve base is matched with the glue injection cylinder, no mold core centering is needed, a perfect cylindrical structure is naturally formed, the bonding quality is ensured, the position of the glue containing cavity can be adjusted, high precision, long service life, generalization and low cost are better balanced, and the part manufacturing precision is improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of glue injection mold, and relates to a flexible glue injection mold. BACKGROUND

[0002] It is known in the art that the same industry uses a glue injection mold to produce a bonded expansion sleeve, and the cost of the bonded expansion sleeve is high, and single-piece production cannot be afforded. The research and production of the bonded expansion sleeve in the art is just starting. The technical route for producing the bonded expansion sleeve is divided into two categories. One category is to use glue to connect a preformed expansion sleeve base and a rubber base. The bonding process uses an inner cone to support an outer hoop to hold tightly. The glue curing process is fast and does not exist a heating vulcanization process. The bonding strength is poor and the glue is easy to open. The positioning accuracy of the inner cone and the outer hoop for the preformed expansion sleeve base and the rubber base is poor, and the batch product consistency is poor. Only low-precision and low-service-life expansion sleeves can be produced. The other category is to use a vulcanization glue injection mold to produce the expansion sleeve. This process requires a certain demand size of the expansion sleeve. The cost of the single injection mold is high, and only one specification of bonded expansion sleeve can be produced. Since there is a special mold and there is a rubber vulcanization process, the connection strength of the expansion sleeve base and the rubber in the vulcanization process is very high, and the repeated accuracy is very good. However, the cost is high and is not suitable for trial production demand. In summary, the existing glue injection mold has the problems of low production precision, short service life, high cost, and poor universality. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a flexible glue injection mold, which improves the production precision and service life of the bonded expansion sleeve, and at the same time, reduces the production cost and has strong universality.

[0004] The present application is achieved by the following technical solutions:

[0005] A flexible glue injection mold, comprising an inner partition plate, an outer partition plate, a glue injection cylinder, an expansion sleeve base, a retainer, an inner upper end adjusting shaft, an inner lower end adjusting shaft, an upper indexing plate and a lower indexing plate.

[0006] The inner partition plate and the outer partition plate are installed in the grooves of the upper indexing plate and the lower indexing plate. The upper indexing plate is sleeved on the glue injection cylinder, the lower indexing plate is sleeved on the inner lower end adjusting shaft, the inner lower end adjusting shaft is sleeved on the inner upper end adjusting shaft, and the bottom end of the glue injection cylinder is connected with the inner upper end adjusting shaft through threads. The sawteeth on the glue injection cylinder are installed in cooperation with the tooth grooves on the retainer. The expansion sleeve bases are installed at intervals between the inner partition plates, and the side walls of the expansion sleeve bases are attached to the side walls of the inner partition plates.

[0007] Preferably, the inner upper end adjusting shaft is sequentially provided with a tension spring and a spring pressing sleeve from inside to outside. The tension spring is sleeved on the inner upper end adjusting shaft. One end of the spring pressing sleeve is in contact with the tension spring, and the other end of the spring pressing sleeve is provided with a nut B.

[0008] Preferably, the inner partition plate comprises an inner upper end adjustable partition plate and an inner lower end adjustable partition plate, the inner upper end adjustable partition plate is clamped in the slot of the upper index plate, and the inner lower end adjustable partition plate is clamped in the slot of the lower index plate.

[0009] Preferably, the taper surface on the inner upper end adjusting shaft is in contact with the side wall of the inner upper end adjustable partition plate, and the serration on the inner lower end adjusting shaft is in contact with the side wall of the inner lower end adjustable partition plate.

[0010] Preferably, the outer partition plate comprises an outer upper end partition plate, an outer adjustable partition plate and an outer lower end partition plate, the outer upper end partition plate is clamped in the slot of the upper index plate, and the outer lower end partition plate is clamped in the slot of the lower index plate; the outer adjustable partition plate is arranged between the outer upper end partition plate and the outer lower end partition plate, and the outer upper end partition plate, the outer adjustable partition plate and the outer lower end partition plate are connected and assembled through the connecting plate and the connecting bent plate; the front end of the connecting plate and the connecting bent plate is in contact with the base body of the expansion sleeve; the adjusting screw is installed on the side wall of the connecting bent plate; one end of the adjusting screw is connected with one end of the outer adjustable partition plate.

[0011] Preferably, the installation seat is installed on the support column, the lower index plate is installed in the installation seat, the installation seat is connected with the lower index plate through the anti-rotation screw, the through hole is circumferentially arranged on the side wall of the installation seat, the small thread bushing is arranged in the through hole, the top rod is arranged in the small thread bushing in a penetrating manner, the other end of the top rod is provided with a tightening handle, and one end of the top rod is in contact with the adjusting screw on the outer partition plate.

[0012] Preferably, the installation seat is provided with a large thread bushing, and the inner lower end adjusting shaft is arranged in the large thread bushing in a penetrating manner.

[0013] Preferably, the inner hole of the glue injection cylinder is provided with a glue pressing cap, and the glue injection cylinder is provided with an integral pressing nut and a gasket.

[0014] Preferably, the inner lower end adjusting shaft is provided with an inner lower adjusting nut and an inner lower locking nut, the inner lower locking nut is provided with a lever, and the inner lower end adjusting shaft is provided with an inner upper adjusting handle and an inner lower locking nut.

[0015] Compared with the prior art, the present application has the following beneficial technical effects:

[0016] The patent provides a kind of modular vulcanization glue injection mold production bonding expansion sleeve, by designing inner partition plate and outer partition plate, with expansion sleeve cut width matching, and with inner partition plate and outer partition plate as "skeleton", make each cut expansion sleeve matrix and partition plate natural fit, ring and ring interlock form the cavity of glue, and each partition plate is designed as inner and outer 2 groups, each group is multilayer, the structure that radial position can be adjusted between each layer, all partition plate and the tooth shape on glue injection cylinder are respectively clamped in the slot of upper scale plate, lower scale plate and retainer, form the interval of equal distribution, with expansion sleeve matrix cut equally, each other fit, without using mold core centering, naturally form perfect cylindrical structure, can ensure bonding quality, so as to adjust the position of glue cavity, realize high precision, high life, generalization, good trade-off of low cost, improve the precision of part manufacturing, shorten new product trial production cycle.

[0017] Further, the flexible glue mold of the present application can realize that the batch expansion sleeve runout is less than 0.01m, the service life is more than 200,000 times, the manufacturing cycle is 15 days, the average unit price of the single internal lower end adjustable partition plate is 200 yuan / 1 piece, the one-time purchase single cost is reduced by 50%, the service life is increased by 4 times, and the single order cost of the part is 1 / 8 of the original.

[0018] Further, in the flexible glue mold of the present application, the upper and lower scale plate structures are the same, which are made of circumferentially distributed grooves on the plane, the plane is used to close the plane at both ends of the expansion sleeve, the groove bottom is used to make each partition plate closely fit in the axial direction, and the groove side is used for each partition plate orientation.

[0019] Further, in the flexible glue mold of the present application, rotating the internal upper end adjusting shaft adjusts the radial position of the internal upper end adjustable partition plate through the taper surface thereon; rotating the internal lower end adjusting shaft drives the internal lower end adjustable partition plate to make radial displacement through the eccentric structure thereon. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a sectional view of the flexible glue mold of the present application;

[0021] Figure 2 It is a top view of the flexible glue mold of the present application;

[0022] Figure 3 It is a local enlarged view of the flexible glue mold of the present application;

[0023] Figure 4 It is a structure diagram of the inner partition plate assembly in the embodiment;

[0024] Figure 5 It is a structure diagram of the outer partition plate assembly in the embodiment;

[0025] Figure 6Structure diagram of the adjustable spacer plate in the embodiment;

[0026] Figure 7 Structure diagram of the mounting seat in the embodiment;

[0027] Figure 8 Structure diagram of the index plate in the embodiment;

[0028] Figure 9 Structure diagram of the inner lower adjustable spacer plate in the embodiment;

[0029] Figure 10 Structure diagram of the inner upper adjusting shaft in the embodiment;

[0030] Figure 11 Structure diagram of the inner upper adjusting shaft in the embodiment; Fig. (a) is a plan view; Fig. (b) is a front view;

[0031] Figure 12 Structure diagram of the glue injection cylinder in the embodiment; Fig. (a) is a front view; Fig. (b) is a plan view;

[0032] Figure 13 Plan structure diagram of the retainer in the embodiment;

[0033] Figure 14 Structure diagram of the inner upper adjustable spacer plate in the embodiment;

[0034] Figure 15 Structure diagram of the connecting bent plate in the embodiment;

[0035] Figure 16 Structure diagram of the adjustable spacer plate in the embodiment;

[0036] In the figure: support column 1, inner upper adjusting handle 2, inner upper locking nut 3, inner lower adjusting nut 4, inner lower locking nut 5, push rod 6, inner lower end adjusting shaft 7, compression spring A 8, stop pin A 9, lower index plate 10, mounting seat 11, outer lower end spacer plate 12, tension spring 13, inner upper end adjusting shaft 14, jacking handle 15, adjusting screw 16, nut A 17, outer adjustable spacer plate 18, outer upper end spacer plate 19, inner lower end adjustable spacer plate 20, stop pin B 21, inner upper end adjustable spacer plate 22, compression spring B 23, overall locking nut 24, limit screw 25, glue injection cylinder 26, glue injection cap 27, washer 28, retainer 29, brass head 30, upper index plate 31, bracket 32, jacking rod 33, small threaded bushing 34, anti-rotation screw 35, large threaded bushing 36, screw A 37, spring compression sleeve 38, nut B 39, screw B 40, nut C 41, connecting bent plate 42, connecting plate 43, screw C 44, adjustable spacer plate 45. DETAILED DESCRIPTION

[0037] The application will be described in further detail below with specific embodiments. The description is an explanation of the application rather than a limitation.

[0038] In order to make the technical personnel in the art better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should belong to the scope of protection of the present application.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0040] The adhesive expansion sleeve is a core component of the clamp and is widely used in turning, milling, gear hobbing, gear shaping, grinding and almost all machining operations requiring accurate centering and clamping. The accuracy and accuracy retention of the expansion sleeve determine the accuracy of the machined parts, and the manufacturing process is the core technology of the clamp.

[0041] As shown in Figures 1-16 , a flexible adhesive mold includes an inner partition plate, an outer partition plate, an adhesive injection cylinder 26, an expansion sleeve base body 45, a retainer 29, an inner upper end adjusting shaft 14, an inner lower end adjusting shaft 7, an upper indexing plate 31 and a lower indexing plate 10;

[0042] As shown in Figure 12 , the adhesive injection cylinder 26 is a cylindrical structure with a hollow cavity in the middle and an adhesive injection hole circumferentially formed on the side wall. The outer side wall of the adhesive injection cylinder 26 has threads for assembly with other auxiliary parts. As shown in Figure 8 , a circular hole is formed in the center of the upper indexing plate 31 and the lower indexing plate 10 for the assembly of the adjusting shaft and the adhesive injection cylinder. The upper indexing plate 31 and the lower indexing plate 10 are both circular plates with six evenly spaced grooves circumferentially formed on the plate surface. As shown in Figures 3-5 , the inner partition plate and the outer partition plate are installed in the grooves of the upper indexing plate 31 and the lower indexing plate 10. The upper indexing plate 31 is sleeved on the adhesive injection cylinder 26, and the lower indexing plate 10 is sleeved on the inner lower end adjusting shaft 7, as shown in Figure 11 , the inner lower end adjusting shaft 7 is sleeved on the inner upper end adjusting shaft 14, and the inner upper end adjusting shaft 14 is provided with a conical surface at one end. The shaft rod is installed in the inner hole of the inner lower end adjusting shaft 7. The conical surface is exposed above the inner lower end adjusting shaft 7,

[0043] As shown in Figure 3 , the bottom end of the glue injection cylinder 26 is a T-shaped structure, the bottom end of the glue injection cylinder 26 extends into the inner hole of the inner upper end adjusting shaft 14 and is connected by threads; the sawtooth on the glue injection cylinder 26 is arranged on the part of the cylinder wall close to the bottom end of the T-shaped structure, the sawtooth on the glue injection cylinder 26 is installed in the tooth groove on the retainer 29 in cooperation, one side of the inner partition plate is installed in the tooth groove on the retainer 29; the expansion sleeve base body 45 is installed between the inner partition plates, and the side wall of the expansion sleeve base body 45 is attached to the side wall of the inner partition plate;

[0044] As shown in Figure 3 , according to the assembly position of the glue injection mold, the inner upper end adjusting shaft 14 is sequentially provided with a tension spring 13 and a spring pressing sleeve 38 from the inside to the outside of the mold, the tension spring 13 is sleeved on the inner upper end adjusting shaft 14, one end of the tension spring 13 is fixed on the inner wall of the inner upper end adjusting shaft 14, the other end of the spring pressing sleeve 38 is in contact with the other end of the tension spring 13, and the other end of the spring pressing sleeve 38 is provided with a nut B 39.

[0045] As shown in Figure 10 , the tapered surface of the inner upper end adjusting shaft 14 is in contact with the side wall of the inner upper end adjustable partition plate 22; the sawtooth on the inner lower end adjusting shaft 7 is in contact with the side wall of the inner lower end adjustable partition plate 20;

[0046] As shown in Figure 9 , the inner partition plate includes an inner upper end adjustable partition plate 22 and an inner lower end adjustable partition plate 20, the top of the inner upper end adjustable partition plate 22 is clamped in the slot of the upper indexing plate 31, the bottom of the inner lower end adjustable partition plate 20 is clamped in the slot of the lower indexing plate 10, and one side of the inner upper end adjustable partition plate 22 is in contact with the tooth groove of the retainer 29;

[0047] As shown in Figure 14 , the outer partition plate includes an outer upper end partition plate 19, an outer adjustable partition plate 18 and an outer lower end partition plate 12, the outer upper end partition plate 19 is clamped in the slot of the upper indexing plate 31, and the outer lower end partition plate 12 is clamped in the slot of the lower indexing plate 10; the outer adjustable partition plate 18 is arranged between the outer upper end partition plate 19 and the outer lower end partition plate 12, and the outer upper end partition plate 19, the outer adjustable partition plate 18 and the outer lower end partition plate 12 are connected and assembled by the connecting plate 43 and the connecting bent plate 42; the connecting plate 43 and the connecting bent plate 42 sandwich the outer upper end partition plate 19, the outer adjustable partition plate 18 and the outer lower end partition plate 12 in the middle, and are fixed and assembled by cooperation of the screw C 44 and the nut C 41;

[0048] AsFigure 15 As shown, the front end of the connecting plate 43 and the connecting bent plate 42 is in contact with the side wall of the base 45 of the expansion sleeve; the connecting bent plate 42 is in L-shaped structure; the side wall of the connecting bent plate 42 is provided with an adjusting screw 16; one end of the adjusting screw 16 is connected with one end of the external adjustable partition plate 18;

[0049] As shown in the figure, Figure 1 and Figure 7 It also includes a top rod 33, a mounting seat 11 and a support column 1; the support column 1 is installed on the bottom of the mounting seat 11; the lower index plate 10 is installed in the mounting seat 11, and the side wall of the mounting seat 11 is provided with a through hole in the circumferential direction, a small threaded bushing 34 is arranged in the through hole, and the top rod 33 penetrates the small threaded bushing 34; the small threaded bushing 34 is fixedly connected with the side wall of the mounting seat 11 through a screw B40;

[0050] As shown in the figure, Figure 6 The number of top rods 33 is 12, one end of the top rod 33 is provided with a tightening handle 15, and the surface of the tightening handle is provided with threads; here, there are 6 top rods 33, and the top rod 33 penetrates the threaded bushing and is in contact with the adjusting screw 16 on the external partition plate; the remaining other 6 top rods, one end of the top rod 33 is provided with a brass pressure head 30, and the brass pressure head 30 is in contact with the side wall of the base expansion sleeve 45; a bracket 32 is arranged between the top rod 33 and the base expansion sleeve 45, and the top rod 33 is supported on the bracket 32; the mounting seat 11 is provided with a large threaded bushing 36, and the mounting seat 11 is fixedly connected with the large threaded bushing 36 through a screw A37; the internal lower end adjusting shaft 7 penetrates the large threaded bushing 36; the mounting seat 11 is connected with the lower index plate 10 through an anti-rotation screw 35.

[0051] A glue pressing cap 27 is arranged in the inner hole of the glue injection cylinder 26, and a whole pressing nut and a gasket 28 are arranged on the glue injection cylinder 26. The gasket 28 is arranged between the upper index plate and the whole pressing nut 24; the brim of the glue pressing cap 27 is provided with a limiting screw 25 arranged in reverse;

[0052] The internal upper end partition plate is provided with a compression spring A8 and a stop pin A9. An open slot is formed in the internal partition plate, and the stop pin A9 and the compression spring A8 are arranged in the open slot. The compression spring A8 is transversely arranged, and the stop pin A9 is longitudinally arranged; one side of the compression spring A8 is in contact with the taper surface of the internal upper end adjusting shaft 14 when it is pressed; one end of the stop pin A9 is inserted into the inner hole of the internal lower end partition plate;

[0053] The internal lower end partition plate is provided with a compression spring B23 and a stop pin B21, and the compression spring B23 is transversely arranged and the stop pin A9 is longitudinally arranged; one end of the stop pin A9 is inserted into the inner hole of the lower index plate;

[0054] According to the assembly position of the glue injection mold, the inner lower end adjusting shaft 7 is sequentially provided with an inner lower adjusting nut 4 and an inner lower locking nut 5 from top to bottom, the inner lower locking nut 5 is provided with a lever 6, and the inner lower end adjusting shaft 7 is provided with an inner upper adjusting handle 2 and an inner lower locking nut 5; the inner lower locking nut 5 is provided with a lever.

[0055] The application discards the structure of the mold core and the outer mold sleeve, fully utilizes the geometric characteristics of the uniform distribution and array structure of the glue injection mold structure, separately designs the partition plate as a "skeleton", and makes each cut open expansion sleeve base body 45 and the partition plate naturally fit, interlock, and form a glue containing cavity. Each partition plate is designed as two groups of inner and outer, each group has multiple layers, and the radial positions between the layers can be adjusted, so that the position of the glue containing cavity can be adjusted.

[0056] In Figure 1 , the functions of each auxiliary part are supporting, connecting, limiting, adjusting, and pressing;

[0057] The inner upper end adjusting shaft 14 is rotated to adjust the radial position of the inner upper end adjustable partition plate 22 through the taper surface thereon; and the inner lower end adjusting shaft 7 is rotated to drive the inner lower end adjustable partition plate 20 to make radial displacement through the eccentric structure thereon.

[0058] The outer upper end partition plate 19 is positioned by the contact between the front end of the connecting plate 43 and the connecting bent plate 42 and the expansion sleeve base body 45, and is oriented by being clamped into the groove of the upper indexing plate 31; the outer lower end partition plate 12 is oriented by being clamped into the groove of the lower indexing plate 10; and the outer adjustable partition plate 18 is adjusted by using the adjusting screw 16.

[0059] The upper and lower indexing plate structures are the same, and each has a groove uniformly distributed in the circumferential direction on the plane. The plane is used to close the planes at both ends of the expansion sleeve, the groove bottom is used to make each partition plate closely fit in the axial direction, and the groove side is used for orientation of each partition plate.

[0060] The tooth-shaped part of the glue injection cylinder 26 also plays the role of the partition plate.

[0061] The function of the retainer 29 is to align the inner upper end adjustable partition plate 22 and the inner lower end adjustable partition plate 20.

[0062] Summary: The teeth on all partition plates and the glue injection cylinder 26 are clamped in the grooves of the upper and lower indexing plates 10 and the retainer 29, respectively, forming uniformly distributed and equally spaced intervals, which are in close contact with the equally cut expansion sleeve base body 45, without the need for using a mold core to center, naturally forming a perfect cylindrical structure, which can ensure the bonding quality.

[0063] The assembly process is as follows:

[0064] 1. When initially applied, the mold state is:

[0065] 1) External lower end partition plate 12, external adjustable partition plate 18, external upper end partition plate 19, compression spring B23, compression cap 27, upper index plate 31 are not assembled or removed for use;

[0066] 2) External lower end partition plate 12, external adjustable partition plate 18, external upper end partition plate 19, connecting bent plate 42, connecting plate 43 are assembled into an external partition plate assembly as a whole for use;

[0067] 3) All top tight handles 15 are loosened and rotated to the outermost;

[0068] 2. Install the expansion sleeve base body 45:

[0069] 1) Install 6 expansion sleeve base bodies 45 between 6 internal lower end adjustable partition plates 20 respectively, so that the two side surfaces of each expansion sleeve base body 45 are respectively in contact with the internal lower end adjustable partition plate 20, the internal upper end adjustable partition plate 22 and the tooth side of the glue injection cylinder 26: the technical points are the manufacturing precision of the lower index plate 10 and the cutting precision of the expansion sleeve base body 45, and the size precision of the expansion sleeve base body 45 also determines the size of the expansion sleeve after bonding, the specification range and precision requirement of the expansion sleeve base body 45 suitable for this mold, and the cutting width size calculation are shown in the attached drawing.

[0070] 3. Adjust the internal partition plate:

[0071] 1) Pull the lever 6 on the inner lower adjusting nut 4 to rotate the internal lower end adjusting shaft 7, drive the internal lower end adjustable partition plate 20 to slide inward or outward, and adjust to the required position (the internal lower end adjustable partition plate 20 closes the edge of the expansion sleeve base body 45), then pull the lever 6 on the inner lower locking nut 5 to make the inner lower locking nut 5 in contact with the large threaded bushing 36 and locked;

[0072] 2) Loosen the inner upper locking nut 3, press the expansion sleeve base body 45 and the glue injection cylinder 26 with your hand, pull the inner upper adjusting handle 2 to rotate the internal upper end adjusting shaft 14, drive the internal upper end adjustable partition plate 22 to slide inward or outward. When adjusted to the appropriate position, that is, the internal upper end adjustable partition plate 22 closes the edge of the expansion sleeve base body 45 by about 0.5 mm, rotate the inner upper locking nut 3 to make it in contact with the internal lower end adjusting shaft 7 and locked.

[0073] 4, Install and adjust the external partition plate:

[0074] 1) Insert the external lower end partition plate 12 on the 6 external partition plate assemblies into the slot of the lower index plate 10 respectively, and push it with your hand to make the connecting bent plate 42 and the connecting plate 43 in contact with the expansion sleeve base body 45 (see the attached drawing);

[0075] 2) Press and hold the outer partition plate assembly, loosen nut A17, rotate adjusting screw 16, adjust the external adjustable partition plate 18 to the required position, close the edge of the expansion sleeve base 45, and tighten nut A17.

[0076] 5. Complete the overall assembly of the mold:

[0077] 1) Assemble the indexing plate 31 so that all six external upper partition plates 19 are engaged in the grooves of the upper indexing plate 31 and fit against the bottom of the groove.

[0078] 2) Put on the inner upper adjustment handle 28, screw in the inner upper adjustment handle 24, and manually press the mold up and down.

[0079] 3) Manually rotate all the clamping handles 15 one by one to press all the expansion sleeve bases 45 and the outer partition plate assembly inward;

[0080] 6. Calculate the adhesive volume, the pressure stroke for sealing the hole, and put it into use:

[0081] 1) Calculate the amount of adhesive needed based on the dimensions of the extrusion sleeve substrate, and fill the adhesive injection tube 26 with sufficient adhesive.

[0082] 2) Calculate the required downward stroke of the pressure cap 27 based on the cross-sectional area of ​​the inner hole of the glue injection cylinder 26;

[0083] 3) Adjust the extension length of the inner upper adjustment handle 25 so that the distance from its lower end to the upper surface of the inner upper adjustment handle 24 is equal to the downward stroke;

[0084] 4) Insert the pressure cap 27, place the entire mold into the pressure bonding equipment, and put it into use.

[0085] The pressure cap 27 and the glue injection cylinder 26 slide freely relative to each other without jamming.

[0086] 7. Print the mold number in the designated location.

[0087] Specific Example 1:

[0088] The workflow for this project is as follows:

[0089] 1. During initial application, the mold condition is as follows: Figure 4 As shown:

[0090] 1.1 All internal partition plates and their accessories, glue injection cylinder 26, retainer 29 and lower indexing plate 10 are assembled in place, and bracket 32, top rod 33 and brass pressure head 30 remain unchanged after assembly;

[0091] 1.2 All external partition plates and connecting plates 43 and other accessories, as well as upper indexing plates 31 and other components, shall not be assembled for the time being, or shall be removed for later use; all external partition plates, connecting plates 43, connecting bends 42, adjusting screws 16 and other components may be assembled into an external partition plate assembly.

[0092] 2. Install the inflation sleeve base 45 and adjust:

[0093] 2.1 Install the cut inflation sleeve base 45 into the interval of the inner partition plate respectively, and the two sides of each inflation sleeve base 45 are respectively attached to the inner partition plate;

[0094] 2.2 Adjust the inner partition plate:

[0095] 2.2.1 Turn the inner lower adjusting nut 4 to make the inner lower end adjusting shaft 7 rotate, and the eccentric structure on it drives the inner lower end adjustable partition plate 20 to slide outward; when adjusted to the required position, turn the lever 6 on the inner lower locking nut 5 to make the inner lower locking nut 5 tightly attach to the large threaded bushing 36, and lock the position of the inner lower end adjustable partition plate 20;

[0096] 2.2.2 Press the inflation sleeve base 45 and the glue injection cylinder 26 with your hand to prevent rotation, turn the inner upper adjusting handle to make the inner upper end adjusting shaft 14 rotate, and drive the inner upper end adjustable partition plate 22 to slide outward through the taper surface cooperation between them; when adjusted to the appropriate position, turn the inner upper locking nut 3 to lock the position.

[0097] 3. Install and adjust the outer partition plate:

[0098] 3.1 Insert the outer lower end partition plate 12 on all outer partition plate assemblies into the slot of the lower indexing plate 10 respectively, and push along the direction of the slot to make the front end of the connecting plate 43 and the connecting bent plate 42 contact the inflation sleeve base 45;

[0099] 3.2 Press the outer partition plate assembly, rotate the adjusting screw 16, adjust the outer adjustable partition plate 18 to the required position, and tighten the nut to lock;

[0100] 4. Cover the upper indexing plate 31 and press it tightly as a whole:

[0101] 4.1 Assemble the upper indexing plate 31, insert all the outer upper end partition plates 19 into the slots of the upper indexing plate 31 respectively, and attach to the bottom of the slot;

[0102] 4.2 Put on the washer 28, screw in the overall pressing nut, and manually press the mold tightly as a whole;

[0103] 5. Install the mounting seat 11 and press it tightly:

[0104] 5.1 Install all the above components into the mounting seat 11, and the anti-rotation screw 35 falls into the hole on the lower indexing plate 10 to realize angular positioning;

[0105] 5.2 Tighten all the pressing handles in turn, that is, press all the outer partition plates and the inflation sleeve base 45 tightly towards the center; thus the mold assembly process is completed.

[0106] 6 Calculate the volume of glue, adjust the glue pressure stroke, put into use:

[0107] 6.1 According to the size of the expansion sleeve 45, the amount of glue is calculated, and enough glue is filled in the glue injection cylinder 26;

[0108] 6.2 According to the inner hole cross-sectional area of the glue injection cylinder 26, the stroke required by the glue pressing cap 27 is calculated;

[0109] 6.3 Adjust the extension length of the limiting screw 25, so that the distance from the lower end to the upper plane of the whole pressing nut is equal to the pressing stroke;

[0110] 6.4 Install the glue pressing cap 27, and put the whole mold into the glue pressing equipment for use;

[0111] The precision of the existing technology manufactured bonding expansion sleeve is poor: less than 1 / 5 of each batch of expansion sleeves can reach the precision jump of less than 0.01; the service life is short: the average service life is less than 50,000 times, and the processing rhythm is short even less than 7 days. The expansion sleeve manufacturing cycle is long: the procurement cycle is more than 2 months. The cost performance is low, and the average unit price is 800 yuan per piece. Or the precision jump of the existing bonding expansion sleeve is less than 0.008; the service life: the average service life is more than 200,000 times; the manufacturing cycle is long: the procurement cycle is more than 8 months; the paste expansion sleeve is 3000 yuan per piece;

[0112] It should be noted that the terms "first", "second", and the like in the description and claims of the application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0113] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is considered "connected" to another component, it can be directly connected to the other component or there can be a middle component. When a component is considered "disposed on" another component, it can be directly disposed on the other component or there can be a middle component.

[0114] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form; any person skilled in the art can easily implement the present application according to the drawings and the above description; however, any person skilled in the art can make some changes, modifications and equivalent changes of the above disclosed technical contents without departing from the technical solution of the present application, and the equivalent embodiments of the present application are still within the protection scope of the present application.

Claims

1. A flexible adhesive mold, characterized in that, It includes an inner partition plate, an outer partition plate, a glue injection cylinder (26), a shrink sleeve base (45), a cage (29), an inner upper adjustment shaft (14), an inner lower adjustment shaft (7), an upper indexing plate (31), and a lower indexing plate (10). The inner and outer partition plates are both installed in the grooves of the upper indexing plate (31) and the lower indexing plate (10); the upper indexing plate (31) is sleeved on the glue injection cylinder (26), the lower indexing plate (10) is sleeved on the inner lower end adjusting shaft (7), the inner lower end adjusting shaft (7) is sleeved on the inner upper end adjusting shaft (14), and the bottom end of the glue injection cylinder (26) is connected to the inner upper end adjusting shaft (14) by a thread; the serrations on the glue injection cylinder (26) and the tooth grooves on the retainer (29) are installed in mutual cooperation, and the expansion sleeve base (45) is installed between the inner partition plates at intervals, and the side wall of the expansion sleeve base (45) is in contact with the side wall of the inner partition plate; The outer partition plate includes an upper outer partition plate (19), an adjustable outer partition plate (18), and a lower outer partition plate (12). The upper outer partition plate (19) is engaged in the groove of the upper indexing plate (31), and the lower outer partition plate (12) is engaged in the groove of the lower indexing plate (10). The adjustable outer partition plate (18) is disposed between the upper outer partition plate (19) and the lower outer partition plate (12). The upper outer partition plate (19), the adjustable outer partition plate (18), and the lower outer partition plate (12) are connected and assembled through a connecting plate (43) and a connecting bent plate (42). The front ends of the connecting plate (43) and the connecting bent plate (42) abut against the expansion sleeve base (45). An adjusting screw (16) is installed on the side wall of the connecting bend plate (42); one end of the adjusting screw (16) is connected to one end of the external adjustable partition plate (18).

2. The flexible adhesive mold according to claim 1, characterized in that, The inner upper adjustment shaft (14) is provided with a tension spring (13) and a spring compression sleeve (38) from the inside to the outside. The tension spring (13) is sleeved on the inner upper adjustment shaft (14). One end of the spring compression sleeve (38) is in contact with the tension spring (13), and the other end of the spring compression sleeve (38) is provided with a nut B (39).

3. The flexible adhesive mold according to claim 1, characterized in that, The inner partition plate includes an upper adjustable partition plate (22) and a lower adjustable partition plate (20). The upper adjustable partition plate (22) is engaged in the groove of the upper indexing plate (31), and the lower adjustable partition plate (20) is engaged in the groove of the lower indexing plate (10).

4. A flexible adhesive mold according to claim 3, characterized in that, The conical surface of the upper internal adjustment shaft (14) contacts the side wall of the upper internal adjustable partition plate (22); the serrations on the lower internal adjustment shaft (7) contact the side wall of the lower internal adjustable partition plate (20).

5. A flexible adhesive mold according to claim 1, characterized in that, It also includes a top rod (33), a mounting base (11), and a support column (1); the mounting base (11) is mounted on the support column (1); the lower indexing plate (10) is mounted in the mounting base (11), and the mounting base (11) and the lower indexing plate (10) are connected by an anti-rotation screw (35); the side wall of the mounting base (11) is provided with a through hole in the circumferential direction, and a small threaded bushing (34) is provided in the through hole, and the top rod (33) is provided through the small threaded bushing (34); the other end of the top rod (33) is provided with a tightening handle (15); one end of the top rod (33) abuts against the adjusting screw (16) on the outer partition plate.

6. A flexible adhesive mold according to claim 5, characterized in that, The mounting base (11) is fitted with a large threaded bushing (36), and the internal lower end adjusting shaft (7) passes through the large threaded bushing (36).

7. A flexible adhesive mold according to claim 1, characterized in that, A pressure cap (27) is installed in the inner hole of the glue injection cylinder (26), and an integral clamping nut and washer (28) are fitted on the glue injection cylinder (26).

8. A flexible adhesive mold according to claim 1, characterized in that, The lower inner adjusting shaft (7) is provided with an inner lower adjusting nut (4) and an inner lower locking nut (5). The inner lower locking nut (5) is provided with a lever (6). The lower inner adjusting shaft (7) is provided with an inner upper adjusting handle (2) and an inner lower locking nut (5).

Citation Information

Patent Citations

  • Bonding device of expansion sleeve

    CN209050938U

  • Coil pouring mold

    CN215619458U