CN220049676U - Five seven punching equipment of dish knot formula scaffold frame - Google Patents

Abstract

The utility model relates to the field of scaffold production equipment, in particular to five-seven-head punching equipment of a disc-buckle scaffold, which comprises an oil press, a bearing table and a punching assembly, wherein the bearing table is used for bearing five-seven-head pipe bodies, is connected to a working platform of the oil press, and is connected to a lifting end of the oil press and driven to lift relative to the bearing table; the punching assembly is provided with a punching die for sleeving the five-seven-head pipe body and four punches which can be inserted into the punching die along the horizontal direction, and the four punches are respectively used for being matched with the punching die to form four holes of the five-seven heads; in the pressing down process of the oil press, the punching die sleeves the five-seven-head pipe body, and after the punching component contacts the bearing table, the pressing down motion of the oil press is transmitted to the motion that four punches are inserted into the punching die along with the continuous pressing down of the punching component of the oil press. The five-seven-head punching equipment for the disc buckle type scaffold has the advantages of high precision, high efficiency and high yield.

Description

Five seven punching equipment of dish knot formula scaffold frame

Technical Field

The utility model relates to the field of scaffold production equipment, in particular to five-seven-head punching equipment for a disc-buckle scaffold.

Background

With the development of technology, the scaffold on the construction site is changed from the prior bamboo material to the prior steel material, and the steel scaffold is the most widely used scaffold with a disc buckle.

The steel pipes of the disc-buckling scaffold are connected by adopting five or seven heads. The structure of the five-seven heads is shown in fig. 1, the whole structure is tubular, two pairs of holes 02 are arranged on the five-seven head pipe body 01, and the two pairs of holes 02 are higher and lower and are staggered in angle, so that the process of producing the five-seven heads comprises the process of punching the two pairs of holes 02 on the five-seven head pipe body. The prior art has a machine dedicated to punching holes of five seven heads, such as a continuous punching assembly of scaffold connecting bushings disclosed in chinese patent application 2022100713249, which uses a rotary table to bring five seven heads of pipe bodies in sequence to two punching stations, each punching a pair of holes.

Because the continuous punching assembly is used for punching two pairs of holes separately, during the process of transferring the five-seven-head pipe body by the rotary table or during the process of punching and demolding the five-seven-head pipe body by the first punching station, the five-seven-head pipe body is often displaced due to the influence of machine vibration or external force, and after the five-seven-head pipe body is displaced, the positions of the holes punched for the second time deviate from ideal positions, so that the relative positions between the two pairs of holes cannot meet the design control requirement, the yield of the five-seven-head pipe body is influenced, and the problems need to be solved.

Disclosure of Invention

The utility model aims to provide five-seven-head punching equipment of a disc buckle type scaffold, and aims to solve the problem that the relative position between two pairs of holes cannot meet the design control requirement when the five-seven-head punching equipment processes five seven heads in the prior art.

In order to achieve the above purpose, the utility model provides five-seven head punching equipment of a disc buckle type scaffold, which comprises an oil press, a bearing table and a punching assembly, wherein the bearing table is used for bearing five-seven head pipe bodies, the bearing table is connected with a working platform of the oil press, and the punching assembly is connected with a lifting end of the oil press and driven to lift relative to the bearing table; the punching assembly is provided with a punching die for sleeving the five-seven-head pipe body and four punches which can be inserted into the punching die along the horizontal direction, and the four punches are respectively used for being matched with the punching die to form four holes of the five-seven heads; in the pressing down process of the oil press, the punching die sleeves the five-seven-head pipe body, and after the punching component contacts the bearing table, the pressing down motion of the oil press is transmitted to the motion that four punches are inserted into the punching die along with the continuous pressing down of the punching component of the oil press.

Further, among the four punches, two of them are oppositely disposed and located at a higher position, and the other two are oppositely disposed and located at a lower position, and a line between the two punches of the higher is perpendicular to a line between the two punches of the lower; the punching die comprises an outer die and an inner die, a cylindrical cavity for accommodating five-seven-head pipe bodies is formed between the outer die and the inner die, punching holes for the punching heads to be inserted are formed in the outer die and the inner die, and a waste cavity with a downward opening is formed in the inner die.

Further, the punching assembly further comprises a die holder, a pressing plate and four groups of wedge block transmission mechanisms; the punching die is connected to the bottom of the die holder, the pressing plate is positioned above the die holder and is connected with the die holder in a sliding manner along the up-down direction, the pressing plate is connected with the lifting end of the oil press, and a first elastic piece which enables the pressing plate and the die holder to tend to be mutually far away is arranged between the pressing plate and the die holder; the four groups of wedge block transmission mechanisms are respectively connected with four punches, and the wedge block transmission mechanisms are used for transmitting the movement of the pressing plate close to the die holder to the movement of the punches inserted into the punching die.

Further, the wedge block transmission mechanism comprises a transmission rod and a transmission block, the top of the transmission rod is connected with the pressing plate and ascends and descends along with the pressing plate, the transmission block is connected with the die holder in a sliding manner along the horizontal direction, the punch is connected with the transmission block and slides along with the transmission block, the transmission block is provided with a first inclined plane, and the transmission rod is provided with a second inclined plane; the second inclined surface can prop against the first inclined surface and prop against the transmission block until the punch is inserted into the punching die in the process of descending the transmission rod.

Further, each group of wedge block transmission mechanisms is correspondingly provided with a support plate, the support plates are connected to the die holder, a slide rod is connected between the support plates and the punching die, and the transmission blocks are connected to the slide rod in a sliding manner; a second elastic member is provided between the transmission block and the support plate to urge the transmission block away from the punching die.

Further, the transmission rod is connected to the die holder in a sliding manner along the up-down direction, the transmission rod comprises a vertical back surface opposite to the second inclined surface, and the support plate abuts against the vertical back surface; the inside of transfer line is provided with the lubricating oil runner that communicates to second inclined plane and vertical back.

Further, the second inclined plane and the vertical back are both provided with wear-resisting blocks, and the wear-resisting blocks are provided with lubricating oil holes communicated with the lubricating oil flow channels.

Further, the bearing table is provided with a feeding component, and the feeding component is positioned below the punching component; the feeding assembly comprises a horizontal pushing mechanism, a plurality of clamping jaws for clamping the five-seven-head pipe body, a third elastic piece and a clamping jaw separation transmission mechanism, wherein the horizontal pushing mechanism is used for pushing the clamping jaws in the horizontal direction, the third elastic piece is used for enabling the clamping jaws to tend to clamp the five-seven-head pipe body, and the clamping jaw separation transmission mechanism is used for enabling the descending motion of the punching assembly to be transmitted to the motion of releasing the five-seven-head pipe body; when the punching assembly is positioned at the highest position, the clamping jaw clamps the five-seven-head pipe body, and the horizontal pushing mechanism pushes the clamping jaws forwards; when the punching assembly is at the lowest position, the clamping jaw releases the five-seven-head pipe body, and the horizontal pushing mechanism pulls the clamping jaws back.

Further, the feeding assembly further comprises a pushing plate, and the pushing plate is connected to the movable end of the horizontal pushing mechanism; the bearing table is provided with a plurality of first longitudinal sliding rails, two sliding plates sliding along the longitudinal direction are connected onto the first longitudinal sliding rails in a sliding manner, each sliding plate is provided with a transverse sliding rail, each transverse sliding rail is connected with a mounting plate sliding along the transverse direction in a sliding manner, each mounting plate is provided with a plurality of chucks arranged along the transverse direction, and two chucks opposite to each other in the longitudinal direction form a clamping jaw; the pushing plate is provided with a second longitudinal sliding rail, and the mounting plate is longitudinally and slidably connected with the second longitudinal sliding rail; the third elastic piece is connected between the two sliding plates.

Further, the clamping jaw separation transmission mechanism comprises vertical rods respectively connected with the two sliding plates, and the punching assembly is provided with an outer supporting wedge block opposite to the vertical rods; when the punching assembly descends, the outer supporting wedge blocks abut against the vertical rods and push the vertical rods in the longitudinal direction away from the clamping heads.

According to the five-seven-head punching equipment for the disc-buckle scaffold, when the oil press is pressed down, the four punches are matched with the punching die to punch four holes of the five seven heads, and as the four holes are machined at the same punching station, the five seven-head pipe body is not moved in the process of machining the four holes in the same force application process, the accuracy of the relative positions of the four punched holes can be ensured, and the yield is improved; and because the four holes are machined at the same punching station, the method has higher production efficiency compared with the prior art.

Drawings

FIG. 1 is a schematic perspective view of five or seven heads;

fig. 2 is a schematic perspective view of a five-seven head punching device of the disc-fastened scaffolding of the present utility model;

FIG. 3 is a side view of the five-seven head punching apparatus of the disc-buckle scaffold of the present utility model with the punching assembly lowered;

fig. 4 is a side view of the five-seven head punching apparatus of the disc-buckle scaffold of the present utility model with the punching assembly raised;

FIG. 5 is a schematic view of an exploded view of the punch assembly, the load platform and the stripper stand;

fig. 6 is an exploded view of the punching die;

FIG. 7 is a bottom view of the punch assembly;

FIG. 8 is a schematic perspective view of a punch assembly with portions hidden;

FIG. 9 is a perspective cross-sectional view of the punch assembly, carrier platform, stripper stand and ejector pin;

FIG. 10 is a schematic perspective view of a drive rod;

FIG. 11 is a schematic perspective view of a feed assembly;

FIG. 12 is a top view of the feed assembly;

fig. 13 is a partial enlarged view at a in fig. 3.

Reference numerals illustrate:

01. five-seven pipe bodies; 02. a hole;

1. an oil press; 11. a lifting end; 12. a working platform;

2. a punching assembly; 21. punching a hole die; 211. an outer mold; 212. an inner mold; 213. a cylindrical cavity; 2121. a waste chamber; 22. a punch; 23. a die holder; 24. a pressing plate; 241. a first elastic member; 25. wedge block transmission mechanism; 251. a transmission rod; 2511. a second inclined surface; 2512. a vertical back surface; 2513. a lubricating oil flow passage; 2514. a wear block; 252. a transmission block; 2521. a first inclined surface; 26. a support plate; 261. a slide bar; 262. a second elastic member;

3. a carrying platform; 301. a feeding assembly; 31. a horizontal pushing mechanism; 311. a pushing plate; 312. a second longitudinal rail; 321. a first longitudinal rail; 322. a sliding plate; 323. a transverse slide rail; 324. a mounting plate; 325. a chuck; 33. a third elastic member; 341-a vertical rod; 342. an outer support wedge;

41. demolding support; 42. and (5) a thimble.

Detailed Description

The present utility model will be described in detail with reference to specific examples.

In the present utility model, unless explicitly stated and limited otherwise, when terminology such as "disposed," "connected," or "connected" is intended to be interpreted broadly, such as, for example, a fixed connection, a removable connection, or an integral connection; may be directly connected or connected through one or more intermediaries. The specific meaning of the terms described above in the present utility model can be understood by those skilled in the art according to the specific circumstances. The direction words appearing in the utility model are used for better explaining the characteristics of the features and the relation among the features, and it is understood that when the arrangement direction of the utility model is changed, the characteristics of the features and the directions of the relation among the features are correspondingly changed, so that the direction words do not form absolute limiting effect on the characteristics of the features and the relation among the features in space, and only play a role in relative limiting.

The utility model provides five-seven-head punching equipment of a disc-buckle scaffold, which is shown in fig. 2 to 13, and comprises an oil press 1, a bearing table 3 and a punching assembly 2, wherein the bearing table 3 is used for bearing five-seven-head pipes, the bearing table 3 is connected to a working platform 12 of the oil press 1, and the punching assembly 2 is connected to a lifting end 11 of the oil press 1 and driven to lift relative to the bearing table 3; the punching assembly 2 is provided with a punching die 21 for sleeving the five-seven-head pipe body and four punches 22 capable of being inserted into the punching die 21 along the horizontal direction, and the four punches 22 are respectively used for being matched with the punching die 21 to form four holes of the five-seven heads; in the process of pressing down the oil press 1, the punching die 21 sleeves the five-seven pipe bodies, and after the punching assembly 2 contacts the bearing table 3, the pressing down motion of the oil press 1 is transmitted to the motion of inserting the four punches 22 into the punching die 21 along with the continuous pressing down of the punching assembly 2 of the oil press 1.

During production, five-seven-head pipe bodies to be punched are placed on the bearing table 3, the lifting end 11 of the oil press 1 drives the punching assembly 2 to press downwards, in the pressing process, the punching die 21 sleeves the five-seven-head pipe bodies to fix the five-seven-head pipe bodies, the punching die 21 serves as a part of dies for punching, after the punching assembly 2 contacts the bearing table 3, the punching assembly 2 is propped by the bearing table 3 and cannot integrally move downwards again, at the moment, along with the lifting end 11 of the oil press 1 to continuously descend, a transmission mechanism in the punching assembly 2 transmits the pressing motion of the oil press 1 to the motion that four punches 22 are inserted into the punching die 21, and the punches 22 serve as another part of dies for punching to punch four holes on the five-seven-head pipe bodies.

Based on the structural arrangement and the working principle, the five-seven-head punching equipment of the disc buckle type scaffold completes the processing of four holes at the same punching station, the five-seven-head pipe body cannot be moved in the process of applying force at the same time, and the processing of the four holes is completed in the same time, so that the accuracy of the relative positions of the four punched holes can be ensured, and the yield is improved; and because the four holes are machined at the same punching station, the method has higher production efficiency compared with the prior art.

In the present embodiment, as shown in fig. 5 to 7, among the four punches 22, two of them are disposed opposite to each other and located at the higher position, and the other two are disposed opposite to each other and located at the lower position, and the line between the two punches 22 at the higher position is perpendicular to the line between the two punches 22 at the lower position; the punching die 21 comprises an outer die 211 and an inner die 212, a cylindrical cavity 213 for accommodating five-seven pipe bodies is formed between the outer die 211 and the inner die 212, the outer die 211 and the inner die 212 are both provided with punching holes for inserting the punch 22, and the inner die 212 is provided with a scrap cavity 2121 with a downward opening. The punch 22 and the punching die 21 with the above-mentioned structure are preferred embodiments, and the embodiments correspond to most of the five-seven structures on the market at present, and when the five-seven structures face to the special part of the hole site, the relative positions of the punch 22 and the punching hole can be correspondingly adjusted, so that other forms of the punch 22 and the position change of the punching hole should also fall into the protection scope of the present utility model. In this embodiment, to more conveniently discharge the waste punched out by the punching, the inner mold 212 is provided with a waste cavity 2121, and the waste automatically falls down under the action of gravity after entering the waste cavity 2121.

In this embodiment, as shown in fig. 5, the punching assembly 2 further includes a die holder 23, a pressing plate 24, and four sets of wedge transmission mechanisms 25; the punching die 21 is connected to the bottom of the die holder 23, the pressing plate 24 is located above the die holder 23 and is connected with the die holder 23 in a sliding manner along the up-down direction, the pressing plate 24 is connected with the lifting end 11 of the oil press 1, and a first elastic piece 241 which enables the pressing plate 24 and the die holder 23 to tend to be away from each other is arranged between the pressing plate 24 and the die holder 23; the four sets of wedge block transmission mechanisms 25 are respectively connected with the four punches 22, and the wedge block transmission mechanisms 25 are used for transmitting the movement of the pressing plate 24 close to the die holder 23 to the movement of the punches 22 inserted into the punching die 21. Preferably, the first elastic member 241 is a spring. The wedge structure is a preferred way to achieve the motion and force transfer steering, consistent with the purpose of the utility model, so the wedge transmission mechanism 25 is used to transmit the pressing motion of the oil press 1 to the motion of inserting the four punches 22 into the punching die 21. Preferably, the wedge block transmission mechanism 25 comprises a transmission rod 251 and a transmission block 252, wherein the top of the transmission rod 251 is connected with the pressing plate 24 and ascends and descends along with the pressing plate 24, the transmission block 252 is connected with the die holder 23 in a sliding manner along the horizontal direction, the punch 22 is connected with the transmission block 252 and slides along with the transmission block 252, the transmission block 252 is provided with a first inclined surface 2521, and the transmission rod 251 is provided with a second inclined surface 2511; the second inclined surface 2511 can abut against the first inclined surface 2521 and the driving block 252 to insert the punch 22 into the punching die 21 during the descent of the driving rod 251. Through the structure, the downward pressing motion of the oil press 1 is transmitted to the motion that four punches 22 are inserted into the punching die 21, and the structure is simple and the stability is strong.

In this embodiment, as shown in fig. 6 to 8, each set of wedge transmission mechanism 25 is correspondingly provided with a support plate 26, the support plate 26 is connected to the die holder 23, a slide bar 261 is connected between the support plate 26 and the punching die 21, and a transmission block 252 is slidably connected to the slide bar 261; by the above structure, the supporting plate 26 and the punching die 21 define the sliding range of the driving block 252, and the sliding rod 261 supports and guides the sliding of the driving block 252, so that the sliding of the driving block 252 is more stable. A second elastic member 262 is provided between the driving block 252 and the supporting plate 26 to make the driving block 252 tend to be far away from the punching die 21, and the second elastic member 262 is used for resetting the driving block 252, namely, after the driving rod 251 is lifted and leaves the driving block 252, the driving block 252 returns to a position far away from the punching die 21 under the action of the second elastic member 262, and the punch 22 leaves the punching hole to wait for the next operation. Preferably, the second elastic member 262 is a spring, and the embodiment for resetting the transmission block 252 is that the transmission block 252 is connected with a guide rod passing through the support plate 26 and capable of sliding relative to the support plate 26, the end of the guide rod away from the transmission block 252 is provided with a stop, and the spring is compressed between the support plate 26 and the stop.

When the driving rod 251 abuts against the driving block 252 and makes the punch 22 perform punching operation, the driving block 252 will have a reaction force on the bottom end of the driving rod 251, in order to ensure the stability of the position of the driving rod 251 in the vertical direction, in this embodiment, the driving rod 251 is slidably connected to the die holder 23 along the up-down direction, so that the driving rod 251 is not easy to generate horizontal displacement; meanwhile, the transmission rod 251 includes a vertical back surface 2512 opposite to the second inclined surface 2511, the support plate 26 abuts against the vertical back surface 2512, and the support plate 26 supports the transmission rod 251 through the vertical back surface 2512 to avoid bending of the transmission rod 251.

As shown in fig. 9, preferably, the inside of the transmission rod 251 is provided with a lubricant flow channel 2513 communicating to the second inclined surface 2511 and the vertical rear surface 2512, and the lubricant is caused to flow to the second inclined surface 2511 and the vertical rear surface 2512 through the lubricant flow channel 2513, reducing friction between the two surfaces and other components.

As shown in fig. 10, further preferably, the second inclined surface 2511 and the vertical rear surface 2512 are both provided with wear blocks 2514, and the wear blocks 2514 are provided with lubrication oil holes communicating with the lubrication oil flow paths 2513; the second inclined surface 2511 and the vertical rear surface 2512 often rub against other components, for which purpose the wear-resistant blocks 2514 are mounted on the two surfaces to improve the service life, and even if wear occurs, only the wear-resistant blocks 2514 need to be replaced, the whole transmission rod 251 does not need to be replaced, and the arrangement of the lubrication oil holes enables lubrication oil to flow to the friction surfaces.

In the present embodiment, as shown in fig. 2, 3, 11 and 12, the carrying table 3 is provided with a feeding assembly 301, and the feeding assembly 301 is located below the punching assembly 2; in the preferred embodiment, the feeding assembly 301 is provided to achieve automatic and continuous feeding to improve production efficiency and reduce work intensity of workers; of course, it is also possible to use manual feeding without the feeding assembly 301, and it is also within the scope of the present utility model. The feeding assembly 301 comprises a horizontal pushing mechanism 31, a plurality of clamping jaws for clamping the five-seven-head pipe body, a third elastic member 33 and a clamping jaw separation transmission mechanism, wherein the horizontal pushing mechanism 31 is used for pushing the clamping jaws in the horizontal direction, the third elastic member 33 is used for enabling the clamping jaws to tend to clamp the five-seven-head pipe body, and the clamping jaw separation transmission mechanism is used for enabling the descending motion of the punching assembly 2 to be transmitted to the motion of releasing the clamping jaws from the five-seven-head pipe body; when the punching assembly 2 is at the highest position, the clamping jaw clamps the five-seven-head pipe body, and the horizontal pushing mechanism 31 pushes the clamping jaws forwards; when the punch assembly 2 is in the lowermost position, the jaws release the five-seven head tube and the horizontal pushing mechanism 31 pulls the plurality of jaws back. Based on the above-mentioned structure setting, the clamping jaw is used for centre gripping fifty-seven first body, and horizontal pushing mechanism 31 is with the clamping jaw together with fifty-seven first body forward pushing to the station of punching a hole, and when punching a hole the subassembly 2 and being in the operation of punching a hole (i.e. when punching a hole the subassembly 2 and being located the lowest position), the clamping jaw is released and is five seven first body, and horizontal pushing mechanism 31 is pulled back the clamping jaw, waits that this time to punch a hole the operation after accomplishing again, send another fifty-seven first body to the station of punching a hole again, degree of automation is high.

In this embodiment, the feeding assembly 301 further includes a pushing plate 311, where the pushing plate 311 is connected to the movable end of the horizontal pushing mechanism 31; the bearing table 3 is provided with a plurality of first longitudinal sliding rails 321, two sliding plates 322 sliding along the longitudinal direction are connected onto the first longitudinal sliding rails 321 in a sliding manner, each sliding plate 322 is provided with a transverse sliding rail 323, each transverse sliding rail 323 is connected with a mounting plate 324 sliding along the transverse direction in a sliding manner, each mounting plate 324 is provided with a plurality of chucks 325 arranged along the transverse direction, and two chucks 325 opposite to each other in the longitudinal direction form a clamping jaw; the pushing plate 311 is provided with a second longitudinal sliding rail 312, and the mounting plate 324 is connected to the second longitudinal sliding rail 312 in a sliding manner along the longitudinal direction; the third elastic member 33 is connected between the two sliding plates 322. As shown in fig. 13, the jaw separating transmission mechanism comprises vertical rods 341 respectively connected to two sliding plates 322, and the punching assembly 2 is provided with outer supporting wedge blocks 342 opposite to the vertical rods 341; as punch assembly 2 descends, outer strut wedge 342 abuts vertical rod 341 and pushes vertical rod 341 longitudinally away from collet 325. Preferably, the horizontal pushing mechanism 31 is a linear module, and the third elastic member 33 is a spring.

In order to improve the consistency of the actions between the feeding assembly 301 and the punching assembly 2, the power for opening the clamping jaw is transmitted by the descending of the punching assembly 2 in this embodiment, because after the feeding assembly 301 descends to a certain extent, the punching die 21 can already cover the five-seven-head tube body, the five-seven-head tube body does not need to be clamped by the clamping jaw, and at the moment, the clamping jaw releases the five-seven-head tube body and is pulled back to wait for grabbing another five-seven-head tube body, so that the production rhythm can be improved. Specifically, when punch assembly 2 is lowered to a certain position, outer support wedge 342 of punch assembly 2 pushes vertical rod 341 outwards, vertical rod 341 drives sliding plate 322 to slide outwards, and mounting plate 324 and clamping heads 325 slide outwards together, and opposite two clamping heads 325 release five-seven-head pipe bodies; the horizontal pushing mechanism 31 then pulls the mounting plate 324 back with the clip 325; when the punching assembly 2 is lifted, the outer supporting wedge 342 releases the abutment to the vertical rod 341, the sliding plate 322 slides inwards under the resilience force of the spring, the opposite two clamping heads 325 clamp the five-seven head pipe body, the horizontal pushing mechanism 31 pushes the mounting plate 324, the clamping heads 325 and the five-seven head pipe body forwards together so as to send the next five-seven head pipe body to the punching station, and simultaneously, the processed five-seven heads are fed forwards; through the continuous circulation of the actions, five-head and seven-head pipe bodies are sent to the punching station in a stepping mode, the feeding rhythm is consistent with the pressing rhythm of the oil press 1, the feeding time is accurate, and the rhythm is fast.

In this embodiment, in order to improve the success rate of demolding of five or seven heads, a demolding assembly is further provided. As shown in fig. 5 and 9, the demolding assembly comprises a demolding bracket 41 and a thimble 42, wherein the demolding bracket 41 is fixedly connected to the bearing table 3, and the thimble 42 is connected to the demolding bracket 41 and can extend into the cylindrical cavity 213. Based on the above structure, since the ejector pin 42 is fixed relative to the carrying table 3, and the punching assembly 2 is liftable relative to the carrying table 3, that is, the ejector pin 42 is liftable relative to the punching assembly 2, when the punching assembly 2 completes punching, the punching assembly 2 is lifted relative to the carrying table 3, and at the same time, the ejector pin 42 ejects the five seven heads downwards from the cylindrical cavity 213, so as to complete demolding of the five seven heads.

In addition, the punching assembly 2 is further provided with components common to punching dies such as guide posts, and the connection relationship between these components and other components is in the prior art, so that they will not be described in detail in the present disclosure.

In conclusion, the five-seven-head punching equipment for the disc buckle type scaffold has the advantages of high precision, high efficiency and high yield.

The above-described embodiments and features of the embodiments may be combined with each other without conflict.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. Five seven punching equipment of dish knot formula scaffold frame, its characterized in that: the hydraulic press comprises an oil press (1), a bearing table (3) and a punching assembly (2), wherein the bearing table (3) is used for bearing five-seven pipe bodies, the bearing table (3) is connected to a working platform (12) of the oil press (1), and the punching assembly (2) is connected to a lifting end (11) of the oil press (1) and driven to lift relative to the bearing table (3);

the punching assembly (2) is provided with a punching die (21) for sleeving the five-seven-head pipe body and four punches (22) capable of being inserted into the punching die (21) along the horizontal direction, and the four punches (22) are respectively used for being matched with the punching die (21) to form four holes of the five-seven heads;

in the process of pressing down the oil press (1), the punching die (21) is sleeved on the five-seven-head pipe body, and after the punching assembly (2) contacts the bearing table (3), the pressing down motion of the oil press (1) is transmitted to the motion that four punches (22) are inserted into the punching die (21) along with the continuous pressing down of the punching assembly (2) of the oil press (1).

2. The five-seven head punching device for a disc-buckle scaffold according to claim 1, characterized in that: of the four punches (22), two of them are disposed opposite to each other and located at a higher position, the other two are disposed opposite to each other and located at a lower position, and a line between the two punches (22) of the higher is perpendicular to a line between the two punches (22) of the lower; the punching die (21) comprises an outer die (211) and an inner die (212), a cylindrical cavity (213) for accommodating five seven-head pipe bodies is formed between the outer die (211) and the inner die (212), punching holes for inserting the punching head (22) are formed in the outer die (211) and the inner die (212), and a waste cavity (2121) with a downward opening is formed in the inner die (212).

3. The five-seven head punching device for a disc-buckle scaffold according to claim 1, characterized in that: the punching assembly (2) further comprises a die holder (23), a pressing plate (24) and four groups of wedge block transmission mechanisms (25);

the punching die (21) is connected to the bottom of the die holder (23), the pressing plate (24) is located above the die holder (23) and is connected with the die holder (23) in a sliding manner along the up-down direction, the pressing plate (24) is connected with the lifting end (11) of the oil press (1), and a first elastic piece (241) which enables the pressing plate (24) and the die holder (23) to tend to be away from each other is arranged between the pressing plate and the die holder;

the four groups of wedge block transmission mechanisms (25) are respectively connected with four punches (22), and the wedge block transmission mechanisms (25) are used for transmitting the movement of the pressing plate (24) close to the die holder (23) to the movement of the punches (22) inserted into the punching die (21).

4. A five-seven head punching device for a disc-buckle scaffold according to claim 3, characterized in that: the wedge block transmission mechanism (25) comprises a transmission rod (251) and a transmission block (252), the top of the transmission rod (251) is connected with the pressing plate (24) and ascends and descends along with the pressing plate (24), the transmission block (252) is connected with the die holder (23) in a sliding manner along the horizontal direction, the punch (22) is connected with the transmission block (252) and slides along with the transmission block (252), the transmission block (252) is provided with a first inclined surface (2521), and the transmission rod (251) is provided with a second inclined surface (2511);

the second inclined surface 2511 can abut against the first inclined surface 2521 and the transmission block 252 to insert the punch 22 into the punching die 21 during the lowering of the transmission rod 251.

5. The five-seven head punching apparatus for a disc-buckling scaffold of claim 4, wherein: each group of wedge block transmission mechanisms (25) is correspondingly provided with a support plate (26), the support plates (26) are connected to the die holder (23), a slide rod (261) is connected between the support plates (26) and the punching die (21), and a transmission block (252) is connected to the slide rod (261) in a sliding manner; a second elastic member (262) is provided between the transmission block (252) and the support plate (26) so that the transmission block (252) tends to be away from the punching die (21).

6. The five-seven head punching apparatus for a disc-buckling scaffold of claim 4, wherein: the transmission rod (251) is connected to the die holder (23) in a sliding manner along the up-down direction, the transmission rod (251) comprises a vertical back surface (2512) opposite to the second inclined surface (2511), and the support plate (26) abuts against the vertical back surface (2512);

the inside of the transmission rod (251) is provided with a lubricating oil flow passage (2513) communicated to the second inclined surface (2511) and the vertical back surface (2512).

7. The five-seven head punching apparatus of a disc-buckle scaffold of claim 6, wherein: the second inclined surface (2511) and the vertical back surface (2512) are both provided with wear-resistant blocks (2514), and the wear-resistant blocks (2514) are provided with lubricating oil holes communicated with the lubricating oil flow channels (2513).

8. Five-seven head punching device of a disc-buckle scaffold according to any of the claims 1 to 7, characterized in that: the bearing table (3) is provided with a feeding assembly (301), and the feeding assembly (301) is positioned below the punching assembly (2);

the feeding assembly (301) comprises a horizontal pushing mechanism (31), a plurality of clamping jaws for clamping the five-seven-head pipe body, a third elastic piece (33) and a clamping jaw separation transmission mechanism, wherein the horizontal pushing mechanism (31) is used for pushing the clamping jaws in the horizontal direction, the third elastic piece (33) is used for enabling the clamping jaws to tend to clamp the five-seven-head pipe body, and the clamping jaw separation transmission mechanism is used for enabling the descending motion of the punching assembly (2) to be transmitted to be the motion of releasing the five-seven-head pipe body;

when the punching assembly (2) is positioned at the highest position, the clamping jaw clamps the five-seven-head pipe body, and the horizontal pushing mechanism (31) pushes the clamping jaws forwards;

when the punching assembly (2) is positioned at the lowest position, the clamping jaw releases the five-seven-head pipe body, and the horizontal pushing mechanism (31) pulls the clamping jaws back.

9. The five-seven head punching apparatus of a disc-buckle scaffold of claim 8, wherein: the feeding assembly (301) further comprises a pushing plate (311), and the pushing plate (311) is connected to the movable end of the horizontal pushing mechanism (31);

a plurality of first longitudinal sliding rails (321) are arranged on the bearing table (3), two sliding plates (322) sliding along the longitudinal direction are connected onto the first longitudinal sliding rails (321) in a sliding manner, transverse sliding rails (323) are arranged on each sliding plate (322), mounting plates (324) sliding along the transverse direction are connected onto each transverse sliding rail (323) in a sliding manner, a plurality of chucks (325) arranged along the transverse direction are arranged on each mounting plate (324), and two chucks (325) opposite to each other in the longitudinal direction form a clamping jaw; the pushing plate (311) is provided with a second longitudinal sliding rail (312), and the mounting plate (324) is longitudinally and slidably connected with the second longitudinal sliding rail (312); the third elastic member (33) is connected between the two sliding plates (322).

10. The five-seven head punching apparatus of a disc-buckle scaffold of claim 9, wherein: the clamping jaw separation transmission mechanism comprises vertical rods (341) respectively connected with the two sliding plates (322), and the punching assembly (2) is provided with an outer supporting wedge block (342) opposite to the vertical rods (341);

when the punching assembly (2) descends, the outer bracing wedge (342) abuts the vertical rod (341) and pushes the vertical rod (341) longitudinally away from the collet (325).