CN214639619U - Connecting strip pressing and fixing die - Google Patents

Abstract

The application relates to a frame strip, a connecting strip pressing and fixing mould and a pressing and fixing device of a system door and window, wherein the connecting strip pressing and fixing mould comprises a top plate and a bottom plate which are oppositely arranged, at least one molding mechanism and a guide mechanism are arranged between the top plate and the bottom plate, the molding mechanism comprises an upper mold component and a lower mold component which are oppositely arranged, the upper mold component comprises an upper mold plate arranged on the top plate and a plurality of blades arranged on the upper mold plate, the lower mold component comprises a base, a first lower mold plate, a second lower mold plate and two side plates, the first lower mold plate and the second lower mold plate are arranged on the base, the two side plates are respectively and vertically arranged at the end parts of the base which are far away from each other, one side plate, the base and the first lower template form a first cavity, the first cavity is matched with the bottom end of the frame strip, the other side plate, the base, the first lower template and the second lower template form a second cavity, and the second cavity is matched with the top end of the frame strip. The effect that this application has and to process out the arch on the section bar to reduce the gliding possibility of connecting strip.

Description

Connecting strip pressing and fixing die

Technical Field

The application relates to the field of door and window processing, in particular to a connecting strip pressing and fixing mold.

Background

The aluminium section for door and window is a door and window frame decoration building material made of aluminium alloy as raw material. Its advantages are high wind pressure resistance, no combustion and high flame-retarding performance.

The utility model discloses a utility model patent that bulletin number is CN211692169U discloses a thermal-insulated bridge cut-off fire-resistant window, including frame strip, well club and casement, the frame strip includes first frame, connecting strip and second frame, and two T type grooves one have respectively been seted up to the inboard in opposite directions of first frame and second frame, and the both sides of connecting strip have set firmly the dop, and the dop and the cooperation card of T type groove that the connecting strip passes through both ends are solid, and first frame and second frame cross the connecting strip and connect as an organic wholely.

In view of the above-mentioned related technologies, the inventor thinks that structures such as rollers are generally required to be installed at the bottom of a door window, so that a space with a certain length is required to be reserved between the connecting strip and the bottom of the frame strip.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the connecting strip slides in the first T-shaped groove, the application provides a connecting strip pressing and fixing die.

In a first aspect, the application provides a connecting strip pressing and fixing mold, which adopts the following technical scheme:

the utility model provides a connecting strip die for pressing, including first section bar, the second section bar, and connect the connecting strip between first section bar and second section bar, be fixed with two piece at least cardboards on first section bar and the second section bar, two adjacent cardboards on the first section bar embrace mutually and form T type groove, two adjacent cardboards also embrace mutually on the second section bar and form T type groove, T type groove and connecting strip looks adaptation, one side difference joint that the connecting strip was kept away from mutually is in the T type groove of first section bar and second section bar, at least one cardboard forms protrudingly towards T type groove sunken, it is protruding to support tightly on the connecting strip.

Through adopting above-mentioned technical scheme, during the installation, installer can slide into the T type groove of one side that first section bar and second section bar are close to each other with the connecting strip to promote the connecting strip and slide to suitable position along T type groove, then process on the cardboard and form the arch, make the arch support the connecting strip tightly, reduce the connecting strip and follow the possibility that the spout removed.

Optionally, the cross section of the protrusion is tapered and gradually reduced near one end of the T-shaped groove.

Through adopting above-mentioned technical scheme, protruding and the contact surface of connecting strip is littleer, and is bigger to the pressure of connecting strip, can extrude the connecting strip more firmly.

In a second aspect, the present application provides a press-fixing mold, which adopts the following technical scheme:

the utility model provides a press-fixing die, including relative roof and the bottom plate that sets up, be equipped with at least one moulding mechanism and guiding mechanism between roof and the bottom plate, moulding mechanism is including relative last mould subassembly and the lower mould subassembly that sets up, go up the mould subassembly including installing the cope match-plate pattern on the roof and installing a plurality of blades on the cope match-plate pattern, lower mould subassembly includes the base, first lower template second lower bolster and two curb plates, first lower template and second lower bolster are installed on the base, two curb plates set up the tip of keeping away from each other at the base perpendicularly respectively, wherein a curb plate, base and first lower template enclose first die cavity, the bottom looks adaptation of first die cavity and frame strip, another curb plate, the base, first lower template and second lower bolster enclose the second die cavity, the top looks adaptation of second die cavity and frame strip.

Through adopting above-mentioned technical scheme, when needing to process the arch on the cardboard, the processing personnel can insert between the cardboard of first section bar and second section bar earlier with the connecting strip, thereby connect first section bar and second section bar into the frame strip, then make the frame strip bottom downwards, insert the tip from first die cavity, make the card strip be located the blade below, when making the roof remove to the bottom plate under the drive of external power sources such as hydraulic press, the roof drives the mould and moves to the lower mould, go up the mould and move the in-process downwards, the blade extrudees to the card strip on and extrudees the card strip and warp and form the arch of downward salient. Then take out the frame strip from first die cavity, overturn 180 with the frame strip, insert the second die cavity with the frame strip tip again for the bottom of frame strip is relative with the blade of second die cavity top, thereby process out the arch on the cardboard of frame strip bottom, and the arch supports the connecting strip tightly, reduces the possibility that the connecting strip slided.

Optionally, the die pressing mechanism further comprises a positioning block, the positioning block is fixed at one end, close to the upper die assembly, of the first lower die plate, and the distance between one end, far away from the first lower die plate, of the positioning block and the top plate is matched with the displacement of the blade during machining of the protrusion.

Through adopting above-mentioned technical scheme, the distance that the blade moved down can be injectd to the locating piece to control the blade to the extrusion degree of cardboard, make the arch can support the connecting strip tightly, can not make the connecting strip impaired because blade pressure is too big again.

Optionally, the molding mechanism further includes a baffle plate vertically fixed on the bottom plate, the width of the baffle plate is not less than the distance between the two side plates, and the end portions of the two side plates abut against the baffle plate.

Through adopting above-mentioned technical scheme, when processing was protruding, processing personnel can keep away from baffle one side with the frame strip from first die cavity and insert first die cavity for the tip butt of frame strip is on the baffle, thereby is convenient for judge the position that the blade extruded on the cardboard.

Optionally, the molding mechanism further includes two limiting blocks, one of the limiting blocks is fixed on the first lower template, the other limiting block is fixed on the second lower template, the end of the limiting block is connected with the baffle, and the length of the limiting block is matched with the distance between the protrusion and the end of the frame strip.

Through adopting above-mentioned technical scheme, processing personnel insert first die cavity or second die cavity with the frame strip tip, before first section bar or second section bar and baffle butt, the connecting strip earlier with the stopper butt, make first section bar and second section bar at the removal in-process, the relative first section bar of connecting strip and second section bar slide, make and leave out one section space between the tip of connecting strip and the tip of first section bar and second section bar, be used for installing gyro wheel isotructure, be convenient for control the length in headspace, it is more convenient to use.

Optionally, the guide mechanism includes a guide sleeve rod, one side of the top plate and one side of the bottom plate, which are close to each other, are respectively connected with one end of the guide sleeve rod, the guide sleeve rod includes a sleeve and a telescopic rod penetrating through the end of the sleeve, and the telescopic rod can axially slide along the sleeve.

By adopting the technical scheme, when the top plate moves towards the bottom plate, the telescopic rod slides along the sleeve, the possibility that the upper die assembly is inclined along with the movement process of the top plate is reduced, and the possibility that the machining position of the blade is inaccurate is further reduced.

Optionally, the guide mechanism further comprises a damping spring, and the damping spring is sleeved on the telescopic rod.

Through adopting above-mentioned technical scheme, damping spring can consume and go up the mould subassembly and move down the vibrations that the in-process produced to reduce blade processing and receive the possibility of influence.

Optionally, a screw with the same height is installed between the top plate and the bottom plate, and the top plate and the bottom plate are respectively connected with one end of the screw with the same height.

By adopting the technical scheme, the equal-height screws are beneficial to the parallel movement of the top plate, and the possibility of inclination in the moving process of the top plate is further reduced.

In a third aspect, the present application provides a press-fixing device, which adopts the following technical scheme:

a pressing and fixing device comprises the connecting strip pressing and fixing die and a hydraulic cylinder fixed on a top plate or a bottom plate.

Through adopting above-mentioned technical scheme, the pneumatic cylinder can promote bottom plate and roof and be close to each other to make last mould subassembly and lower mould subassembly be close to each other, and process the frame strip in first die cavity or the second die cavity, it is more convenient, laborsaving to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bulge is processed on the clamping plate, and the connecting strip is tightly propped against the bulge, so that the possibility of the connecting strip moving along the sliding groove is reduced;

2. the die pressing mechanism is provided with a first cavity matched with the bottom end of the frame strip and a second cavity matched with the top end of the frame strip, and blades are arranged at the tops of the first cavity and the second cavity, so that the die can process protrusions on clamping plates at the top end and the bottom end of the frame strip;

3. utilize pneumatic cylinder drive bottom plate and roof to be close to each other for go up mould assembly and lower mould assembly and be close to each other, and process the frame strip in first die cavity or the second die cavity, it is more convenient, laborsaving to use.

Drawings

Fig. 1 is an overall structure diagram of a frame strip of a system door/window according to an embodiment of the present application.

Fig. 2 is a schematic view for showing a bump structure.

FIG. 3 is a schematic view of the overall structure of the consolidation die according to the embodiment of the present application;

fig. 4 is a schematic view illustrating the system of the present invention, wherein the frame strip of the door/window is inserted into the first cavity of the pressing mold;

FIG. 5 is a schematic view illustrating the system of the present invention, wherein the frame strips of the door and window are inserted into the second cavity of the pressing mold;

FIG. 6 is an enlarged view of portion A of FIG. 3;

fig. 7 is a schematic overall structure diagram of the fastening device for the connecting strip according to the embodiment of the present application.

Description of reference numerals: 1. a first profile; 11. a vertical plate; 12. a transverse plate; 2. a second profile; 21. a frame body; 22. a template; 3. a connecting strip; 4. clamping a plate; 41. a protrusion; 5. a top plate; 6. a base plate; 7. a molding mechanism; 71. an upper die assembly; 711. mounting a template; 712. a blade; 713. an upper die fixing block; 72. a lower die assembly; 721. a base; 722. a first lower template; 723. a second lower template; 724. a side plate; 725. a first cavity; 726. a second cavity; 73. positioning blocks; 74. a baffle plate; 75. a limiting block; 8. a guide mechanism; 81. a guide loop bar; 811. a sleeve; 812. a telescopic rod; 82. a damping spring; 9. an equal-height screw; 10. and a hydraulic cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a frame strip, a connecting strip pressing and fixing mold and a pressing and fixing device of a system door and window.

Referring to fig. 1 and 2, the frame strip for system doors and windows includes a first profile 1, a second profile 2 and a connecting strip 3, wherein the connecting strip 3 is connected between the first profile 1 and the second profile 2 to form the frame strip. Be fixed with two piece at least cardboard 4 on first section bar 1 and the second section bar 2, two adjacent cardboard 4 on the first section bar 1 embrace mutually and form T type groove, two adjacent cardboard 4 also embrace mutually and form T type groove on the second section bar 2, one side that connecting strip 3 kept away from each other is the joint respectively in the T type groove of first section bar 1 and second section bar 2, at least cardboard 4 is towards the sunken formation arch 41 in T type groove, arch 41 supports tightly on connecting strip 3, during the installation, the installer can slide connecting strip 3 into the T type groove of one side that first section bar 1 and second section bar 2 are close to each other, and promote connecting strip 3 and slide to the suitable position along T type groove, then processing formation arch 41 on cardboard 4, make arch 41 support connecting strip 3 tightly, reduce the possibility that connecting strip 3 removed along the spout.

The first section bar 1 comprises two vertical plates 11 arranged in parallel and a transverse plate 12 connected between the two vertical plates 11, wherein one sides of the two vertical plates 11 close to each other are integrally formed with one end of the transverse plate 12. Wherein a riser 11 deviates from 11 one sides of another riser and 6 cardboard 4 integrated into one piece, cardboard 4 includes two branch boards of mutually perpendicular, and two 4 cohesion of cardboard and two 4 branch boards that are on a parallel with riser 11 of cardboard extend towards one side of being close to mutually to form 3T type grooves.

The second section bar 2 comprises a rectangular cavity-shaped frame body 21 and a section bar 22 vertically fixed on one of the frame body 21 and having a narrow side wall, one of the frame body 21 and 6 clamping plates 4 are integrally formed, the clamping plates 4 connected with the frame body 21 are arranged the same as the clamping plates 4 on the vertical plate 11, and 3 identical T-shaped grooves are also formed.

Referring to fig. 1 and 2, connecting strip 3 is worker's shape board, and connecting strip 3 includes the mainboard of rectangle and sets up the anticreep board in mainboard along the width direction both sides perpendicularly, anticreep board and mainboard integrated into one piece, during the installation, go into T type groove with the anticreep board card, reduce the possibility that connecting strip 3 drops.

After the connecting strip 3 is clamped between the first section bar 1 and the second section bar 2, a processing worker can process one side, away from each other, of the two farthest clamping plates 4 on the vertical plate 11 to form the protrusion 41, process one side, away from each other, of the two farthest clamping plates 4 on the frame body 21 to form the protrusion 41, and support the connecting strip 3 tightly through the protrusion 41, so that the possibility of sliding of the connecting strip 3 is reduced. In order to extrude the connecting strip 3 more tightly, the section of the protrusion 41 is tapered as one end of the T-shaped groove is gradually reduced, so that the contact area between the protrusion 41 and the connecting strip 3 is smaller, and the pressure on the connecting strip 3 is higher.

The frame strip processing method of the system door and window provided by the embodiment of the application is as follows: the processing personnel can slide connecting strip 3 into the T-shaped groove on the side that first section bar 1 and second section bar 2 are close to each other to promote connecting strip 3 to slide to suitable position along the T-shaped groove, then process on cardboard 4 and form arch 41, make arch 41 support connecting strip 3 tightly, reduce the possibility that connecting strip 3 removed along the spout.

The embodiment of the application also discloses a pressing die.

Referring to fig. 3, the press-fixing mold includes a rectangular top plate 5 and a rectangular bottom plate 6 which are arranged oppositely, two mold pressing mechanisms 7 are arranged between the top plate 5 and the bottom plate 6, each mold pressing mechanism 7 includes an upper mold component 71 and a lower mold component 72 which are arranged oppositely, the upper mold component 71 includes two upper mold plates 711, two blades 712 and two upper mold fixing blocks 713, the two upper mold plates 711 are rectangular plates, the two upper mold plates 711 are fixed on the top plate 5 through sunk screws, and the upper mold plates 711 are used for installing the blades 712. The blades 712 have a triangular cross section, a plurality of blades 712 are integrally formed at one end of the upper mold plate 711 far away from the top plate 5 and symmetrically arranged at two sides of the upper mold plate 711 which are far away from each other, and one end of the blades 712 far away from the upper mold plate 711 is gradually reduced, so that when the top plate 5 and the bottom plate 6 are close to each other, the blades 712 can machine the tapered protrusions 41 on the frame strips between the upper mold assembly 71 and the lower mold assembly 72.

The two upper die fixing blocks 713 are fixed on the top plate 5 through sinking groove screws, one sides, close to each other, of the upper die fixing blocks 713 are fixed with the upper die plate 711 through sinking groove bolts, the upper die plate 711 can be reinforced, and the possibility that the upper die plate 711 is stressed and bent is reduced.

The lower die assembly 72 includes a base 721, a first lower die plate 722, a second lower die plate 723 and two side plates 724, the base 721 is integrally rectangular, the base 721 is fixed on one side of the bottom plate 6 facing the top plate 5 through countersunk screws, the two side plates 724 are rectangular, two ends of the base 721 far away from each other are respectively fixed with one side plate 724 through sunk bolts, and one side of the base 721 far away from the bottom plate 6 is provided with two parallel slots for mounting the first lower die plate 722 and the second lower die plate 723. The first lower template 722 and the second lower template 723 are also cuboid, the first lower template 722 and the second lower template 723 are respectively clamped in one clamping groove on the base 721 and then fixed with the base 721 through countersunk screws, so that the first lower template 722 and the second lower template 723 are convenient to detach and mount, and therefore the first lower template 722 and the second lower template 723 can be replaced according to different frame strip structures.

Referring to fig. 3 and 4, a first groove is formed between one side of the first lower template 722, which is away from the second lower template 723, and the side plate 724, the side of the first groove, which is close to the top plate 5, is open, a second groove is formed in the middle of one side of the first lower template 722, which is away from the second lower template 723, the side of the second groove, which is away from the second lower template 723, is open, the first groove and the second groove form a first cavity 725, and a boss is integrally formed on one side of the bottom wall of the second groove, which is away from the second lower template 723. During processing, a processing person can insert the end of the frame strip into the first cavity 725, so that the first profile 1 is clamped in the first groove, the second profile 2 is clamped in the second groove, the connecting strip 3 abuts against the boss below the upper die plate 711, the clamping plates 4 on the first profile 1 and the second profile 2 are opposite to the blades 712 on two sides of the upper die plate 711, and then the upper die assembly 71 is driven to move towards the lower die assembly 72, so that the blades 712 on two sides of the upper die plate 711 extrude the protrusions 41 on the clamping plates 4 on one sides, close to the upper die assembly 71, of the first profile 1 and the second profile 2.

Referring to fig. 3 and 5, a third groove is formed in the middle of one side of the first lower template 722, which is close to the second lower template 723, a side of the third groove, which is far away from the first lower template 722, is open, a rectangular boss is integrally formed at one end of the second lower template 723, which is close to the top plate 5, a fourth groove is formed at one side of the second lower template 723, which is far away from the first lower template 722, and the third groove, the fourth groove, and a space of one side of the second lower template 723, which is close to the top plate 5, form a second cavity 726. Processing man can take out the frame strip from first die cavity 725, then overturn 180 with the frame strip, insert the second die cavity 726 with the frame strip tip again, make 1 joint of first section bar in the fourth groove, 2 joints of second section bar are in the third groove, connecting strip 3 butt is on the boss on second lower bolster 723, and make and cardboard 4 on 1 and the second section bar 2 of first section bar is relative with the blade 712 of cope match-plate pattern 711 both sides, thereby make blade 712 of cope match-plate pattern 711 both sides can process out the same arch 41 on the cardboard 4 of frame strip bottom.

A positioning block 73 is fixed at one end of the first lower die plate 722 close to the upper die assembly 71 through a countersunk head screw, the positioning block 73 is in a cuboid shape, the distance between one end of the positioning block 73 far away from the first lower die plate 722 and the top plate 5 is matched with the displacement of the blade 712 during the processing of the protrusion 41, so that the positioning block 73 can limit the downward movement distance of the blade 712, the extrusion degree of the blade 712 on the clamping plate 4 is controlled, the protrusion 41 can tightly abut against the connecting strip 3, and the connecting strip 3 cannot be damaged due to too large pressure of the blade 712.

Referring to fig. 3 and 6, in order to determine the position of the end of the frame strip away from the protrusion 41, the molding press mechanism 7 further includes a baffle 74 and two limiting blocks 75 fixed on the bottom plate 6 vertically by countersunk screws, the width of the baffle 74 is not less than the distance between the two side plates 724, the ends of the two side plates 724 abut against the baffle 74, so that when the protrusion 41 is processed, a processing worker can insert the frame strip into the first cavity 725 from the side of the first cavity 725 away from the baffle 74, so that the ends of the frame strip abut against the baffle 74, and thus, the position of the blade 712 extruded onto the chuck plate 4 can be determined conveniently.

The limiting blocks 75 are rectangular plates, one of the limiting blocks 75 is fixed on the boss of the first lower template 722 through a countersunk screw, the other limiting block 75 is fixed on the boss of the second lower template 723 through a countersunk screw, the end parts of the limiting blocks 75 are abutted against the baffle 74, and the length of the limiting block 75 is matched with the distance between the protrusion 41 and the end part of the frame strip. When a processing person inserts the end of the frame strip into the first cavity 725 or the second cavity 726, before the first section bar 1 or the second section bar 2 abuts against the baffle 74, the connecting strip 3 abuts against the limiting block 75, so that the first section bar 1 and the second section bar 2 move, the connecting strip 3 slides relative to the first section bar 1 and the second section bar 2, so that a space is left between the end of the connecting strip 3 and the ends of the first section bar 1 and the second section bar 2, and the connecting strip is used for installing structures such as rollers, so that the length of a reserved space is convenient to control, and the use is more convenient.

Referring to fig. 3, in order to reduce the possibility of deflection when the top plate 5 approaches the bottom plate 6, four guide mechanisms 8 are arranged between the top plate 5 and the bottom plate 6, each guide mechanism 8 comprises a guide sleeve rod 81 and a damping spring 82, each guide sleeve rod 81 comprises a sleeve 811 and a telescopic rod 812, each sleeve 811 is a round pipe and is vertically fixed on one side of the top plate 5, which is close to the bottom plate 6, and each telescopic rod 812 is a round rod and penetrates through each sleeve 811, so that each telescopic rod 812 can axially slide along each sleeve 811, and the possibility of deflection when the top plate 5 approaches the bottom plate 6 is reduced. The damping spring 82 is provided on the extendable rod 812, one end of the extendable rod 812 abuts against the bottom plate 6, and the other end of the extendable rod 812 abuts against the end of the sleeve 811 away from the top plate 5, so that the damping spring 82 consumes vibration energy generated by the movement of the top plate 5, thereby improving the stability of the movement of the top plate 5. The equal-height screws 9 are arranged between the top plate 5 and the bottom plate 6, and the top plate 5 and the bottom plate 6 are respectively connected with one end part of the equal-height screws 9, so that the parallel movement of the top plate 5 is favorably maintained, and the possibility of inclination in the moving process of the top plate 5 is further reduced.

The implementation principle of the press-fixing mold in the embodiment of the application is as follows: during processing, a processing person can insert the end of the frame strip into the first cavity 725, so that the first profile 1 is clamped in the first groove, the second profile 2 is clamped in the second groove, the connecting strip 3 abuts against the boss below the upper die plate 711, the clamping plates 4 on the first profile 1 and the second profile 2 are opposite to the blades 712 on two sides of the upper die plate 711, and then the upper die assembly 71 is driven to move towards the lower die assembly 72, so that the blades 712 on two sides of the upper die plate 711 extrude the protrusions 41 on the clamping plates 4 on one sides, close to the upper die assembly 71, of the first profile 1 and the second profile 2.

Then take out the frame strip 180 of upset from first die cavity 725, insert the frame strip tip in second die cavity 726 again for first section bar 1 joint in the fourth groove, second section bar 2 joint in the third groove, connecting strip 3 butt is on the boss on second lower bolster 723, and make and cardboard 4 on first section bar 1 and the second section bar 2 is relative with the blade 712 of cope match-plate pattern 711 both sides, thereby make blade 712 of cope match-plate pattern 711 both sides can process out the same arch 41 on the cardboard 4 of frame strip bottom.

The embodiment of the application also discloses a connecting strip pressing and fixing device.

Referring to fig. 7, a tie bar fixing apparatus includes a tie bar fixing mold and a hydraulic cylinder 10 fixed to a top plate 5, wherein the hydraulic cylinder 10 can push the top plate 5 to approach a bottom plate 6, so that an upper mold assembly 71 and a lower mold assembly 72 approach each other and work a tie bar in a first cavity 725 or a second cavity 726.

The implementation principle of the press-fixing mold in the embodiment of the application is as follows: during machining, after a machining person inserts the frame strips into the first cavity 725 or the second cavity 726, the machining person can push the top plate 5 to be close to the bottom plate 6 through the hydraulic cylinder 10, so that the upper die assembly 71 and the lower die assembly 72 are close to each other, the frame strips in the first cavity 725 or the second cavity 726 are machined, and the use is more convenient and labor-saving.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a connecting strip mould of consolidating which characterized in that: the die comprises a top plate (5) and a bottom plate (6) which are arranged oppositely, at least one die pressing mechanism (7) and a guide mechanism (8) are arranged between the top plate (5) and the bottom plate (6), the die pressing mechanism (7) comprises an upper die assembly (71) and a lower die assembly (72) which are arranged oppositely, the upper die assembly (71) comprises an upper die plate (711) arranged on the top plate (5) and a plurality of blades (712) arranged on the upper die plate (711), the lower die assembly (72) comprises a base (721), a first lower die plate (722), a second lower die plate (723) and two side plates (724), the first lower die plate (722) and the second lower die plate (723) are arranged on the base (721), the two side plates (724) are respectively and vertically arranged at the end parts, far away from each other, of the side plates (724), the base (721) and the first lower die plate (722) enclose a first cavity (725), the first cavity (725) is matched with the bottom end of the frame strip, the other side plate (724), the base (721), the first lower template (722) and the second lower template (723) enclose a second cavity (726), and the second cavity (726) is matched with the top end of the frame strip.

2. The connecting strip press-fixing mold according to claim 1, wherein: the die pressing mechanism (7) further comprises a positioning block (73), the positioning block (73) is fixed at one end, close to the upper die assembly (71), of the first lower die plate (722), and the distance between one end, far away from the first lower die plate (722), of the positioning block (73) and the top plate (5) is matched with the displacement of the blade (712) during machining of the protrusion (41).

3. The connecting strip press-fixing mold according to claim 1, wherein: the molding press mechanism (7) further comprises a baffle plate (74) vertically fixed on the bottom plate (6), the width of the baffle plate (74) is not smaller than the distance between the two side plates (724), and the end parts of the two side plates (724) abut against the baffle plate (74).

4. The connecting strip press-fixing mold according to claim 3, wherein: the molding press mechanism (7) further comprises two limiting blocks (75), one limiting block (75) is fixed on the first lower template (722), the other limiting block (75) is fixed on the second lower template (723), the end parts of the limiting blocks (75) are connected with the baffle (74), and the length of the limiting blocks (75) is matched with the distance between the protrusions (41) and the end parts of the frame strips.

5. The connecting strip press-fixing mold according to claim 1, wherein: the guide mechanism (8) comprises a guide sleeve rod (81), one side, close to each other, of the top plate (5) and the bottom plate (6) is connected with one end of the guide sleeve rod (81) respectively, the guide sleeve rod (81) comprises a sleeve (811) and a telescopic rod (812) penetrating through the end of the sleeve (811), and the telescopic rod (812) can axially slide along the sleeve (811).

6. The connecting strip press-fixing mold according to claim 5, wherein: the guide mechanism (8) further comprises a damping spring (82), and the damping spring (82) is sleeved on the telescopic rod (812).

7. The tie bar caulking die according to any one of claims 1 to 6, wherein: and the top plate (5) and the bottom plate (6) are provided with equal-height screws (9), and the top plate (5) and the bottom plate (6) are respectively connected with one end part of the equal-height screws (9).

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