CN115493009A

CN115493009A - Hoop head and press riveting equipment thereof

Info

Publication number: CN115493009A
Application number: CN202211304210.0A
Authority: CN
Inventors: 赵兴潮
Original assignee: Tianjin Poofey Hose Clamp Co ltd
Current assignee: Tianjin Poofey Hose Clamp Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-20

Abstract

The invention discloses a hoop head and a press riveting device thereof, and relates to the technical field of hoop heads.

Description

Hoop head and press riveting equipment thereof

Technical Field

The invention relates to the technical field of hose hoops, in particular to a hoop head and a riveting device thereof.

Background

The hose clamp is a fastener at the joint of the hose and the hard pipe. The hose clamp solves the problem that dead angles can occur when the hose clamp is used for connecting small-diameter soft and hard pipes in the prior art, and leakage of liquid and gas is generated. The hose clamp generally includes a clamp, a head, and a bolt, and is conventionally assembled by press-riveting an ear portion of the head into a connecting hole of the clamp, and then screwing the bolt between the head and the clamp.

As shown in fig. 6, there is shown a conventional fitting band head 100 including a band head main body 110, and ears 120 for inserting into band coupling holes are symmetrically formed at both sides of the band head main body 110.

By adopting the technical scheme, when the riveting operation is carried out on the hoop head, the two ear parts are required to be turned towards the middle, then the ear parts are pressed into the connecting hole of the hoop by using the riveting equipment, and finally, in order to ensure the stable connection between the hoop head and the hose, the additional operation of bending the hoop head is required; however, this operation has two problems:

one is as follows: because two ears are directly turned over towards the middle through the pressure equipment, the deformation of the ears is unnatural, the appearance of the hoop head after being pressed and riveted is influenced, and meanwhile, the strength of the hoop head is damaged.

And the second step is as follows: the riveting mode of combining two-step riveting and bending by smashing cannot complete work at one time, production needs to be divided into multiple working procedures, and efficiency is low.

Disclosure of Invention

One of the objects of the present invention is to provide a ferrule head, which can realize a one-time crimping operation of the ferrule head by an upturned portion having an arc shape and inclined toward the middle of a ferrule head body and two semicircular lugs arranged obliquely.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a hoop head, includes the hoop head body, hoop head body bilateral symmetry shaping has the outer connecting portion that expands of arc structure, the shaping has the upturning portion on the outer connecting portion that expands, the upturning portion sets up towards hoop head body middle part tilt up from hoop head body one side, the upturning portion has the semicircle lug along hoop head length direction both sides shaping respectively, and two semicircle lugs from the upturning portion towards hoop head body middle part downward sloping setting.

Through adopting above-mentioned technical scheme, through the outer connecting portion that expands that sets up the arc structure on the hoop head body, and turn over the portion and turn over to the centre, and be the symmetry setting, and the semicircle lug that overturns downwards, can press the semicircle lug in the connecting hole of riveting the strap through disposable punching press, thereby can realize the riveting work that a punching press can realize the hoop head, and the outer connecting portion that expands of arc structure, can guarantee that the buckle department after the hoop head is pressed and is riveted is convex and not the right angle, thereby guarantee the intensity of pleasing to the eye degree and hoop head, and through the mode, can realize the disposable crimping of hoop head, effectively guarantee simultaneously the pleasing to the eye degree and the structural strength after the hoop head is pressed and riveted.

The invention is further configured to: the end parts of the two upturning parts are respectively formed with an arc-shaped bulge, the two semicircular lugs are respectively arranged on two extension lines of the arc-shaped bulge, and the corresponding semicircular lugs on the two upturning parts are mutually aligned and abutted.

Through adopting above-mentioned technical scheme, through will turn over the shape that sets up the arc arch and correspond the mutual butt of semicircle lug in the portion, can be at the bellied in-process of crimping semicircle, the hoop head turns over the portion deformation and drives the lug and stretch into the below of strap connecting hole to ensure the stable riveting to hoop head and strap, improve the reliability that the hoop head used.

One of the purposes of the invention is to provide a rivet pressing device for riveting the hoop head, which realizes the automatic positioning, one-time rivet pressing and bending of the hoop head and the hoop head through the supporting and limiting assembly and the inner top overturning assembly, and effectively improves the rivet pressing efficiency on the premise of ensuring the connection quality of the hoop head and the hoop head.

The press riveting equipment comprises a rack, wherein a supporting and limiting assembly, an inner top overturning assembly and a press riveting assembly are arranged on the rack;

the support limiting assembly comprises a containing groove which is arranged on the rack and used for containing the hoop head, and a presser foot used for pressing the hoop is movably arranged on the rack;

the inner jacking overturning assembly comprises overturning frames which are arranged on two sides of the frame in an overturning manner, driving blocks are symmetrically arranged on the two overturning frames in a sliding manner, inner jacking blocks which are used for extending into the hoop head and abutting against the semicircular lugs are arranged on the driving blocks, and driving assemblies for driving the two driving blocks to move in opposite directions or in opposite directions are arranged on the overturning frames; an alignment table used for being abutted against the end part of the belt is formed on the driving block close to one side of the end part of the belt;

and the pressure riveting assembly comprises a pressure head which is arranged above the rack in a lifting manner and corresponds to the accommodating groove.

Through adopting above-mentioned technical scheme, during the use, pass the strap from the clearance department between hoop head semicircle lug and the strap main part, and place the hoop head body in the storage tank, the presser foot covers the strap main part with the pressure on the interior kicking block that corresponds this moment, prevent that the strap from deviating from, later two drive blocks drive two interior kicking blocks insert the hoop head body of strap below from hoop head length both ends, it finely tunes the position of strap belt end to align the platform simultaneously, ensure that the connecting hole aligns with semicircle lug's position, later the pressure head that goes up and down to set up impresses semicircle lug in the connecting hole of strap, and with two interior kicking block cooperations with semicircle lug, do the processing of flattening when turning over portion and strap are pressed and riveted, later two roll-over framves drive two interior kicking blocks upwards overturn, thereby make the hoop head bend around the pressure head and form the revolution mechanic, through this kind of mode, realize disposable pressure and turn round the operation, thereby under the prerequisite of guaranteeing the hoop head pressure riveting quality, effectively improve the efficiency of riveting of hoop head.

The invention is further configured to: the presser foot is of an arc-shaped plate-shaped structure, the lower end face of the presser foot is abutted to the top face of the corresponding inner top block, the middle of the presser foot is hinged to the upper portion of the frame, the top of the frame is fixedly provided with a pressing cylinder, and the extending end of the pressing cylinder is hinged to a driving rod hinged to the tail end of the presser foot.

Through adopting above-mentioned technical scheme, during normal use, the cylinder is for stretching out the state to lift the presser foot, make things convenient for the staff to carry out the pay-off of strap, after the staff has placed hoop and strap, the cylinder shrink, thereby drive the presser foot through the connecting rod and wind its middle part pin joint upset, push down the strap in order to guarantee the presser foot and the top surface cooperation of interior kicking block, place the strap and deviate from.

The invention is further configured to: two L-shaped overturning arms are formed at the two ends of the overturning frame in the length direction and are hinged to the middle portions of the two sides of the accommodating groove, two overturning cylinders are fixedly arranged on the frame, the extending ends of the overturning cylinders are fixedly provided with U-shaped frames which slide along the height direction of the frame, and the two ends of each U-shaped frame are hinged to the inflection points of the corresponding L-shaped overturning arms.

Through adopting above-mentioned technical scheme, when needs become the curved operation to pressing the strap and the hoop head of riveting the completion, two upset cylinders drive U type frame rebound, further drive two roll-over stands through L type upset arm and upwards overturn in step to can be through setting up on the roll-over stand and stretch into the upset of the inside roof block of hoop head, and interior roof block drives the strap and the hoop head of its butt and upwards overturns around the pressure head edge, thereby can realize becoming the curved operation fast of hoop head.

The invention is further configured to: the utility model discloses a frame, including frame, U type frame, frame both sides correspond U type frame top department and all fixedly provided with spacing platform, spacing bench threaded connection has two to be used for with U type frame butt complex regulation pole.

Through adopting above-mentioned technical scheme, can carry on spacingly to the lift peak of U type frame through location platform and regulation pole to further adjust the rise distance of U type frame, thereby can adjust rotation angle according to the user demand, ensure to become curved accurate nature of strap, guarantee the reliability that the device used.

The invention is further configured to: the driving assembly comprises a chute formed in the lower portion of the driving block, a driving cylinder is fixedly arranged on the lower portion of the turnover frame, a top block is fixedly arranged at the extending end of the driving cylinder, and a guide block in sliding fit with the chute is formed in the top of the top block.

Through adopting above-mentioned technical scheme, when the kicking block stretches into the work piece inside in needs drive, drive actuating cylinder and stretch out to drive the kicking block and shift up, guide block and chute cooperation on the kicking block, thereby can realize the reliability to driving the promotion of kicking block, improve the device and use.

The invention is further configured to: the upper surface of the inner top block is a plane, the lower surface of the inner top block is an arc surface, and a chamfer is formed at the end part, close to the accommodating groove, of one side of the inner top block.

By adopting the technical scheme, the upper surface of the inner top block is set to be a plane, so that the pressing work of the semicircular lugs can be realized by matching the pressing block, meanwhile, the strap is convenient to slide on the upper surface of the inner top block, and the position of the strap is adjusted by matching the presser foot and the alignment table; the lower surface of the inner top block is set to be an arc surface, so that the force bearing effect of the inner top block is effectively improved, and the service life of the inner top block is prolonged; simultaneously, the end part of the inner top block is provided with a chamfer, so that the inner top block can stably enter the arc-shaped table.

The invention is further configured to: the aligning table is characterized in that a first clamping groove matched with the corresponding inner top block is formed in the driving block where the aligning table is located, the driving block is connected with a first bolt matched with the corresponding inner top block in a locking mode through threads, a pressing plate forming a T-shaped cross section with the inner top block is formed in the lower portion of the inner top block, a splitting portion is arranged on the driving block far away from the aligning table in a sliding mode, a second clamping groove matched with the corresponding inner top block and the pressing plate is formed in the joint of the splitting portion and the driving block, and a second bolt matched with the driving block in a locking mode is arranged on the splitting portion in an inserting mode.

Through adopting above-mentioned technical scheme, can realize dismantling of interior kicking block through the aforesaid setting and connect, conveniently including the kicking block damage or change it after wearing and tearing, and through setting up partial portion and clamp plate, can realize the locking operation to interior kicking block under the condition that the kicking block surface flushed in corresponding, prevent effectively that the condition of interfering with interior kicking block upper portion strap from taking place, through this kind of mode, effectively improve the convenience that the device used.

The invention is further configured to: the pressure head includes the guide part that compresses tightly the portion and two symmetrical settings in portion both sides that compress tightly, two guide part and frame sliding fit, and two clearance between the guide part is wide setting from top to bottom, portion both sides edge that compresses tightly is the arc surface.

Through adopting above-mentioned technical scheme, realize leading to the stability of pressure head through the guide part, ensure the pressure head and to the stable operation that compresses tightly of hoop head, and set the clearance of guide part to under wide narrow structure, make things convenient for the staff to carry out the material loading of strap and hoop head, improve the convenience that the device used.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) The hoop head is provided with the upward turning part which is arc-shaped and inclines towards the middle part of the hoop head body, and the two semicircular lugs are obliquely arranged, so that one-time crimping operation on the hoop head can be realized, the arc-shaped deformation part of the hoop head after crimping is ensured, and the attractiveness and the structural strength of the hoop head are ensured;

(2) The automatic positioning, one-time press riveting and bending of the hoop head and the hoop head can be realized through the press riveting equipment, and the press riveting efficiency is effectively improved on the premise of ensuring the connection quality of the hoop head and the hoop head;

(3) Utilize the top surface of upper portion, the interior kicking block of lower part arc surface can effectively guarantee the effect of flattening to the semicircle lug, can assist simultaneously to become curved and align the strap, effectively improves to press to rivet and become curved effect, improves the reliability that the device used.

(4) The interior kicking block of setting can be dismantled in the utilization, makes things convenient for the staff to carry out the change operation of interior kicking block, utilizes the setting of location platform and storage tank simultaneously, makes things convenient for the automatic positioning of strap and hoop head, effectively guarantees the convenience that the device used.

Drawings

FIG. 1 is a front view schematically showing a ferrule according to embodiment 1 of the present invention;

FIG. 2 is a schematic top view of a ferrule head according to embodiment 1 of the present invention;

FIG. 3 is an axial view of the overall structure of embodiment 2 of the present invention;

FIG. 4 is a schematic view of the embodiment 2 of the present invention, with part of the frame removed, showing the positional connection relationship between the roll-over stand and the accommodating groove;

fig. 5 is a schematic view of the roll-over stand in the embodiment 2 of the invention, and shows the position connection relationship of each component on the roll-over stand.

Fig. 6 is a schematic structural diagram of the background art of the present invention.

Reference numerals are as follows: 100. assembling a hoop head; 110. a ferrule body; 120. an ear portion; 1. a ferrule body; 2. an externally expanding connecting part; 3. an upturning part; 4. an arc-shaped bulge; 5. a semi-circular lug; 6. a frame; 7. a containing groove; 8. a presser foot; 9. a pressing cylinder; 10. a drive rod; 11. a roll-over stand; 12. an L-shaped overturning arm; 13. turning over the air cylinder; 14. a U-shaped frame; 15. a limiting table; 16. adjusting a rod; 17. a drive block; 18. an inner top block; 19. pressing a plate; 20. an alignment stage; 21. a guide seat; 22. a first card slot; 23. a first bolt; 24. a separation part; 25. a second card slot; 26. a second bolt; 27. a chute; 28. a driving cylinder; 29. a top block; 30. a guide block; 31. a pressure head; 32. a pressure riveting cylinder; 33. a pressing part; 34. a guide portion.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Example 1:

referring to the attached drawing 1, the hoop head comprises a hoop head body 1, wherein the hoop head body 1 is of a U-shaped plate structure, a channel for a bolt to penetrate through is formed in the middle of the hoop head body 1, the outer expanding connecting portions 2 of an arc structure are symmetrically formed on two sides of the hoop head body 1 in the width direction, a channel for a strap to run through is formed in the outer expanding connecting portions 2, an upturned portion 3 is formed on one side, away from the hoop head body 1, of the outer expanding connecting portions 2, the upturned portion 3 is in an arc shape and is inclined towards the middle of the hoop head body 1 from one side of the hoop head body 1, the highest points of the end portions of the two upturned portions 3 are mutually aligned, and the two upturned portions 3 can be in synchronous contact with a pressure head 31 when the pressure head 31 is in pressure welding, so that synchronous deformation of the two upturned portions 3 and the pressure head 31 is guaranteed.

With reference to the attached drawing 2, the end portion of the upturning portion 3 is formed with an arc-shaped protrusion 4, the end portion of the upturning portion 3 is formed with semicircular lugs 5 along two sides of the hoop head in the length direction, the two semicircular lugs 5 are arranged on the extension lines corresponding to the arc-shaped protrusion 4 respectively, the two semicircular lugs 5 are arranged from the upturning portion 3 to the middle of the hoop head body 1 in a downward inclined mode, and the two semicircular lugs 5 opposite to each other on the upturning portion 3 are aligned and abutted to each other. Through aligning semicircle lug 5 butt each other to cooperation arc bulge 4's structure can produce interact when the punching press, thereby ensures that semicircle lug 5 can enter into the strap connecting hole, can guarantee simultaneously that two semicircle lugs 5 are the parallel and level state still after flattening.

The working principle of the embodiment is as follows: through set up the outer connecting portion 2 that expands of arc structure on the hoop head body 1, and turn over 3 and turn over to the centre and turn over, and be the symmetry setting, and semicircle lug 5 of upset downwards, can rivet semicircle lug 5 pressure in the connecting hole of strap through disposable punching press, thereby can realize the riveting work that a punching press can realize the hoop head, and the outer connecting portion 2 that expands of arc structure, can guarantee that the buckle department after the hoop head is pressed and is riveted is convex and non-right angle, thereby guarantee the intensity of pleasing to the eye degree and hoop head, and through the mode, can realize the disposable crimping of hoop head, effectively guarantee simultaneously that the hoop head is pressed and rivets pleasing to the eye degree and structural strength after.

Example 2:

referring to fig. 3, a press riveting device for press riveting a hoop head according to embodiment 1 is characterized by comprising a rack 6, wherein the rack 6 is of a rectangular frame structure, and a support limiting assembly, an inner top overturning assembly and a press riveting assembly are arranged on the rack 6. Realize the location to the hoop head through supporting spacing subassembly, utilize the top upset subassembly in with press the disposable pressure of riveting subassembly realization hoop head to realize the one-time pressure of hoop head and rivet, effectively improve production efficiency.

With reference to fig. 4, the supporting and limiting component comprises a containing groove 7 fixedly arranged in the middle of the frame 6 and used for containing the hoop head, wherein the containing groove 7 is matched with the hoop head in shape, a presser foot 8 used for pressing the strap is movably arranged on the frame 6, the presser foot 8 is of an arc-shaped plate structure, the middle of the presser foot 8 is hinged to the upper portion of the frame 6, a pressing cylinder 9 is fixedly arranged at the top of the frame 6, and an extending end of the pressing cylinder 9 is hinged to a driving rod 10 hinged to the tail end of the presser foot 8. When the device works, the pressing cylinder 9 extends out to drive the pressing foot 8 to lift, and the pressing cylinder 9 contracts to drive the pressing foot 8 to tighten.

With reference to fig. 5, the inner top turnover assembly comprises turnover frames 11 which are arranged on two sides of a rack 6 in a turnover mode, the turnover frames 11 are of a cuboid plate-shaped structure, the two turnover frames 11 are symmetrically arranged on two sides of a containing groove 7 along the width direction of the rack 6, L-shaped turnover arms 12 are formed at two ends of the two turnover frames 11 in the length direction, the two turnover arms are hinged to the middle of the rack 6 on two sides of the containing groove 7, two turnover cylinders 13 are fixedly arranged on the rack 6, U-shaped frames 14 which slide along the height direction of the rack 6 are fixedly arranged at the extending ends of the two turnover cylinders 13, two ends of each U-shaped frame 14 are hinged to the inflection points of the corresponding L-shaped turnover arms 12, limiting platforms 15 are fixedly arranged on two sides of the rack 6 and above the corresponding U-shaped frames 14, and adjusting rods 16 which are in abutting fit with the U-shaped frames 14 are in threaded connection on the limiting platforms 15.

When the roll-over stand 11 is required to be turned over, only two roll-over cylinders 13 are required to simultaneously drive the two U-shaped stands 14 to extend, because one end parts of the two U-shaped stands 14 respectively correspond to the two L-shaped roll-over arms 12 of the same roll-over stand 11, the synchronism of the two cylinders during lifting can be effectively ensured, the lifting distance of the two U-shaped stands 14 can be effectively limited by arranging the limiting table 15 and the adjusting rod 16 which is used for being abutted against the middle part of the U-shaped stand 14, the bending precision and the synchronism of subsequent bending operation are ensured, and the use reliability of the device is effectively ensured.

Referring to fig. 4 and 5, the two roll-over stands 11 are symmetrically provided with driving blocks 17 along the width direction of the frame 6 in a sliding manner, the driving blocks 17 are provided with inner top blocks 29 which are used for extending into the interior of the hoop head and abutting against the semicircular lugs 5, the top block 2918 is a top block 29, the lower surface of the top block 29 is a circular arc surface, the end part of the top block 29 of the inner top block 18 on one side of the groove top block 29 is formed with a chamfer, the top block 29 below the inner top block 18 presses the top block 299, the pressing plate 19 and the inner top block 18 are combined into the top block 29 of the top block 29, and when the pressing foot 8 descends, the lower end surface of the pressing foot 8 and the corresponding top surface of the inner top block 18 abut against the top block 29, the driving block 17 close to the end part of the top block 29 are formed with an aligning table 20 for abutting against the end part of the belt, and one side of the two roll-over stands 11 close to the frame 6 is fixedly provided with a jacking block 2921 matched with the inner jacking block 18 in a sliding manner, the jacking block 29 assists in supporting the inner jacking block 18 through a guide seat 21, the jacking block 29 in the jacking block 29 stabilizes the effect of the jacking block 29 by moving the jacking block 18, the jacking block 29 type of the service life of the inner jacking block 18 is improved, and the auxiliary positioning before the band is pressed and riveted can be realized. The lower ejector block 29 of the inner ejector block 18 is set to be an arc surface, so that when the ejector block 29 of the inner ejector block 18 is ensured to be inserted into the gap between the hoop head and the hoop, the upper ejector block 29 of the inner ejector block 18 can be improved to bear the ejector block 29 under the state of flattening the semi-circular lug 5.

A first clamping groove 22 of a top block 29 matched with a corresponding inner top block 29 is formed in the driving block 17 where the aligning table 20 is located, a first bolt 23 tightly pressing the top block 29 with the corresponding inner top block 18 is connected to the driving block 17 through a thread, a split portion 24 is arranged on the driving block 17 far away from the aligning table 20 in a sliding mode along the length direction of the rack 6, a second clamping groove 25 matched with the top block 29 of the corresponding inner top block 18 in a pressing mode 299 is formed in the joint of the split portion 24 and the driving block 17, and a second bolt 26 in locking fit with the driving block 17 is inserted and arranged on the split portion 24.

But ejecting block 29 connection of ejecting block 29 in can realizing through above-mentioned setting, convenient including change it after the bad ejecting block 29 of ejecting block 18 ejecting block 29 loses, and through setting up partial portion 24 and clamp plate 19, can realize doing to ejecting block 18 ejecting block 29 lock ejecting block 29 under the circumstances that corresponds ejecting block 18 ejecting block 29 face ejecting block 29 in, effectively prevent to take place with the circumstances of interior ejecting block 18 ejecting block 29 portion ejecting block 29 interference to effectively improve the convenience that the device used.

The overturning frame 11 is provided with a driving assembly for driving the two driving blocks 17 to move oppositely or reversely, the driving assembly comprises a chute 27 formed at the lower part of the driving block 17, wherein the chute 27 is arranged from one side far away from the containing groove 7 to the downward inclination close to one side of the containing groove 7 along the width direction of the rack 6, the lower part of the overturning frame 11 is fixedly provided with a driving cylinder 28, the extending end of the driving cylinder 28 is fixedly provided with a top block 29, and the top of the top block 29 is formed with a guide block 30 in sliding fit with the chute 27. During operation, the driving cylinder 28 extends out and drives the driving block 17 to slide towards the accommodating groove 7 through the top block 29 and the guide block 30, so as to further drive the two inner top blocks 29 to extend into a gap between the head body 1 of the top block 29 and the strap.

The pressure riveting subassembly sets up in 6 tops of frame and the pressure head 31 that corresponds with storage tank 7 including going up and down, wherein the fixed pressure riveting cylinder 32 that is provided with in 6 tops of frame, pressure head 31 is fixed to be set up on the downward movable end of pressure riveting cylinder 32, pressure head 31 sets up the guide part 34 in the portion 33 both sides that compresses tightly including compressing tightly 33 and two symmetries, wherein compress tightly 33 and two guide parts 34 formation door type frame column structure, the frame 6 sliding fit of two guide parts 34 and storage tank 7 both sides, and the clearance between two guide parts 34 is the narrow setting in the width down, compressing tightly 29 both sides kicking block 29 edge departments of kicking block is the arc surface in the portion 33 corresponds two.

The guide part 34 is used for realizing stable guide of the pressure head 31, stable pressing operation of the pressure head 31 on the hoop head is ensured, the gap of the guide part 34 is set to be a structure with a wide lower part and a narrow upper part, so that a worker can conveniently feed a strap and the hoop head, stable deformation of the upturning part 3 of the hoop head is ensured during pressing, and the use convenience of the device is improved; in which the edge of the pressing portion 33 is set to be a circular arc surface, so that it is possible to ensure uniform deformation of the shape of the hoop head at the time of the bending operation.

The working principle of the embodiment is as follows: when the clamp is used, a clamp belt penetrates through a gap between the clamp head semicircular lug 5 and the clamp belt main body, the clamp head body 1 is placed in the accommodating groove 7, the clamp foot 8 presses the clamp belt main body on the corresponding inner top block 29, the top block 29 clamp belt is separated, then the two driving blocks 17 drive the two inner top blocks 18 and the two ends of the two inner top blocks 29 to insert into the clamp head body 1 below the clamp belt at the two ends, the alignment table 20 conducts fine adjustment on the position of the clamp belt end to ensure that the connecting hole is aligned with the position of the semicircular lug 5, then a pressure head 31 arranged in a lifting mode presses the semicircular lug 5 into the connecting hole of the clamp belt, and the clamp belt is flattened when being combined with the two inner top blocks 18 and the top blocks 29 to form the circular lug 5, the upturning part 3 and the clamp belt are riveted; at this moment, the presser foot 8 rises, and then the two roll-over stands 11 drive two interior ejector blocks 18 ejector blocks 29 and turn over the ejector block 29 thereby make the hoop head buckle around the pressure head 31 and form the circular arc structure, through this kind of mode, realize once only pressing and rivet with become curved operation to under the prerequisite of guaranteeing the hoop head to press and rivet the quality, effectively improve the efficiency of riveting of hoop head.

The above description is only a preferred embodiment of the present invention, and does not limit the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a tension sleeve head, includes tension sleeve head body (1), its characterized in that: hoop head body (1) bilateral symmetry shaping has outer connecting portion (2) that expands of arc structure, the shaping has upturning portion (3) on expanding connecting portion (2) outward, upturning portion (3) sets up towards hoop head body (1) middle part tilt up from hoop head body (1) one side, it has semicircle lug (5) to form respectively along hoop head length direction both sides in upturning portion (3), and two semicircle lugs (5) from upturning portion (3) towards hoop head body (1) middle part downward sloping setting.

2. A ferrule head according to claim 1, wherein: arc-shaped protrusions (4) are formed at the end portions of the two upturning portions (3), the two semicircular lugs (5) are arranged on two extension lines of the arc-shaped protrusions (4) respectively, and the two corresponding semicircular lugs (5) on the upturning portions (3) are aligned and abutted with each other.

3. A clinch apparatus for clinching the clinch head of claim 1 or 2, wherein: the device comprises a rack (6), wherein a supporting and limiting assembly, an inner top overturning assembly and a press riveting assembly are arranged on the rack (6);

the supporting and limiting assembly comprises a containing groove (7) which is arranged on the rack (6) and is used for containing the hoop head, and a presser foot (8) which is used for pressing the hoop is movably arranged on the rack (6);

the inner jacking overturning assembly comprises overturning frames (11) which are arranged on two sides of a rack (6) in an overturning way, driving blocks (17) are symmetrically arranged on the two overturning frames (11) in a sliding way, inner jacking blocks (29) which are used for extending into the hoop head and abutting against the semicircular lugs (5) are arranged on the driving blocks (17), and driving assemblies for driving the two driving blocks (17) to move oppositely or reversely are arranged on the jacking blocks (29) (11); an alignment table (20) used for being abutted with the end part of the belt is formed on the driving block (17) close to one side of the end part of the belt;

the pressure riveting assembly comprises a pressure head (31) which is arranged above the rack (6) in a lifting manner and corresponds to the accommodating groove (7).

4. A clinch apparatus as claimed in claim 3, wherein: the presser foot (8) is of an arc-shaped plate-shaped structure, the lower end face of the presser foot (8) is hinged to the middle of an ejector block (29) of a corresponding inner ejector block (18) and the middle of a foot (8) of the ejector block (29) and is arranged on the upper portion of the frame (6), a pressing cylinder (9) is fixedly arranged at the top of the frame (6), and the extending end of the pressing cylinder (9) is hinged to a driving rod (10) hinged to the tail end of the presser foot (8).

5. A clinch apparatus as claimed in claim 3, wherein: two L-shaped overturning arms (12) are formed at the two ends of the overturning frame (11) in the length direction and are hinged to the middle portions of the two sides of the accommodating groove (7), two overturning cylinders (13) are fixedly arranged on the rack (6), two stretching ends of the overturning cylinders (13) are fixedly provided with U-shaped frames (14) which slide along the height direction of the rack (6), and the two ends of each U-shaped frame (14) are hinged to inflection points of the corresponding L-shaped overturning arms (12).

6. Riveting press equipment according to claim 4, characterized in that: the adjusting device is characterized in that limiting tables (15) are fixedly arranged on the two sides of the rack (6) above the corresponding U-shaped frames (14), and adjusting rods (16) which are used for being matched with the U-shaped frames (14) in an abutting mode are connected to the limiting tables (15) in a threaded mode.

7. A clinch device according to claim 3, characterised in that: the driving assembly comprises a chute (27) formed in the lower portion of a driving block (17), a driving cylinder (28) is fixedly arranged on the lower portion of the turnover frame (11), a top block is fixedly arranged at the extending end of the driving cylinder (28), and a guide block (30) in sliding fit with the inclined top block (29) 27 is arranged on the top block (29) at the top of the top block.

8. Clinch apparatus according to any one of claims 3 to 7, characterised in that: the inner ejector block (18) is provided with an upper ejector block (29) surface ejector block (29) arc surface, and the ejector block (29) at one side of the inner ejector block (18) close to the ejector block (29) is provided with a chamfer.

9. The clinch apparatus of claim 8, wherein: the alignment table is characterized in that a first clamping groove top block (29) matched with the corresponding inner top block (18) is formed on a driving block (17) where the alignment table (20) is located, a first bolt (23 top block (29) matched with the corresponding inner top block (18) in a locking mode is connected to the driving block (17) of the top block (29) through threads, a splitting part (24) is arranged on the driving block (17) where the inner top block (18) top block (29) is located in a sliding mode, a pressing plate (19) top block (29) is located on the pressing block (2 top block (29) of the top block (29) and the inner top block (29) in a cutting mode, a second clamping groove (2 top block (29) matched with the corresponding inner top block (18) and the pressing plate (19) is formed at the joint of the splitting part (24) and the driving block (17), and a second bolt (26) matched with the driving block (17) in a locking mode is arranged on the top block (29) part (24) in an inserting mode.

10. Riveting press equipment according to claim 8, characterized in that: pressure head (31) are including compressing tightly guide part (34) that portion (33) and two symmetrical settings are compressing tightly guide part (34) of portion (33) both sides, two guide part (34) and frame (6) sliding fit, and two narrow setting on the clearance between guide part (34) is the width down, compress tightly portion (33) both sides edge and be the arc surface.