CN219238246U

CN219238246U - Workpiece conveying device for semi-automatic reinforcing steel bar hoop welding equipment

Info

Publication number: CN219238246U
Application number: CN202222007976.4U
Authority: CN
Inventors: 刘赫凯; 赵波; 田达菲; 陈刚; 陈涛; 唐德军
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-06-23
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a workpiece conveying device for semi-automatic steel bar hoop welding equipment, which comprises a conveying mechanism, a fixed frame pressing device and a clamp unlocking mechanism, wherein the fixed frame pressing device and the clamp unlocking mechanism are sequentially arranged on the conveying mechanism. The conveying mechanism comprises a frame, a driving wheel arranged on the frame and a conveying belt bypassing the driving wheel, and a clamp is arranged on the conveying belt. The fixed frame pressing device is arranged at the left end of the conveying mechanism and is used for pressing the non-welded closed steel bar hoops into the clamp after limiting; the clamp unlocking mechanism is arranged at the right end of the conveying mechanism and is used for being matched with a clamp to release the machined reinforcing steel bar hoop. The workpiece conveying device for the semiautomatic steel bar hoop welding equipment is safer in manual operation, effectively reduces the labor capacity of workers, improves the production efficiency, and can keep the stability of the processing quality.

Description

Workpiece conveying device for semi-automatic reinforcing steel bar hoop welding equipment

Technical Field

The utility model relates to the field of steel bar machining, in particular to a workpiece conveying device for semi-automatic steel bar hoop welding equipment.

Background

The reinforced bar is one of the common building materials in the building industry, has better tensile strength and compressive strength, is mainly used as a tensile material and a compressive material in reinforced concrete, and is used for enhancing the strength of the concrete. The reinforcing bars are usually required to be manufactured into reinforcing bar hoops before being put into use, and the manufacturing process comprises two steps of bending and welding. In the past, bending and welding have been performed manually by a worker, and various bending machines have been developed to improve efficiency and reduce the labor of the worker.

However, to this step of welding of reinforcing bar hoop, still accomplish through the manual work among the prior art, in the welding process, need transport the not welded closed reinforcing bar hoop, but the burr on the reinforcing bar is more, makes the workman injured easily when transporting, and manual operation's intensity of labour is great moreover, and production efficiency is low, and can't guarantee welding quality.

Therefore, it is highly desirable to develop a workpiece conveying device for a semiautomatic reinforcing bar hoop welding device, which is safe in manual operation, can reduce the labor amount of workers, and simultaneously improves the production efficiency, and maintains stable welding quality.

Disclosure of Invention

Therefore, the utility model aims to provide a workpiece conveying device for semi-automatic reinforcing steel bar hoop welding equipment, which is safer in manual operation, can reduce the labor capacity of workers, improves the production efficiency and keeps stable processing quality.

The utility model provides a workpiece conveying device for semi-automatic steel bar hoop welding equipment, which comprises a conveying mechanism, a fixed frame pressing device and a clamp unlocking mechanism, wherein the fixed frame pressing device and the clamp unlocking mechanism are sequentially arranged on the conveying mechanism;

further, the conveying mechanism comprises a frame, a driving wheel arranged on the frame and a conveying belt bypassing the driving wheel, wherein a clamp is arranged on the conveying belt and comprises a fixed base matched with the conveying belt and two clamping devices arranged on the fixed base.

The fixed frame pressing device is arranged at the left end of the conveying mechanism and comprises a mounting table, a limiting fixed frame device and a pressing device, wherein the limiting fixed frame device is used for limiting the width of a non-welded closed reinforcing steel bar hoop so as to limit the butt joint of two ends of the reinforcing steel bar hoop; the pressing device is used for pressing the end of the spacing reinforcing steel bar hoop into the clamp for fixing.

Further, the fixture unlocking mechanism is arranged at the right end of the conveying mechanism and is used for being matched with a fixture to release the machined reinforcing steel bar hoop.

Further, the conveying mechanism further comprises a power source; the driving wheel is a gear disc fixed on the shaft and provided with a lightening hole, the driving wheel comprises a driving wheel and a driven wheel which are respectively arranged at two ends of the frame, the conveyor belt bypasses the driving wheel and the driven wheel, and the power source is connected with the driving wheel to provide power for the driving wheel so as to drive the driven wheel and the conveyor belt to move.

Further, an installation beam for installing a driving wheel is arranged on the frame, and the driving wheel is arranged on the installation beam in a single-degree-of-freedom rotation fit manner; the rack is also provided with an installation sliding rail for installing the driven wheel, the installation sliding rail is provided with a tensioning mechanism, the tensioning mechanism comprises a sliding piece and a guide post, one end of the guide post is arranged on the sliding piece, the guide post is sleeved with a spring, and the other end of the guide post is arranged on the rack; the mounting slide rail comprises an upper slide rail and a lower slide rail, a groove matched with the mounting slide rail for fixing is formed in the sliding piece, and the sliding piece is arranged on the mounting slide rail in a single-degree-of-freedom sliding fit mode through the groove; the driven wheel is arranged on the sliding piece in a single-degree-of-freedom rotation fit mode.

Further, the conveyer belt includes two chains and sets up the chain connecting piece between the chain, the inner link joint of two chains is bent to the installation position of symmetry between two chains, the chain connecting piece sets up in the installation position, will two chains link as an organic wholely.

Further, a protection plate is further arranged on the frame, the protection plate is horizontally arranged between the driving wheel and the driven wheel, and two ends of the protection plate are respectively tangent to the tops of the driving wheel and the driven wheel; the support frame that is used for holding up the reinforcing bar hoop is equipped with on the guard plate, the support frame is including setting up in the connecting rod of guard plate and with connecting rod detachable fixed connection's bracing piece, the bracing piece sets up with the conveyer belt side by side, and is higher than the conveyer belt in vertical direction.

Further, the clamp is fixedly arranged on the conveyor belt through the fixing base, the clamping device comprises a mounting seat, a sliding mechanism arranged on the mounting seat and a rear clamping plate arranged at one end of the mounting seat, and a front clamping plate is arranged on the sliding mechanism opposite to the rear clamping plate.

Further, the sliding mechanism comprises a positioning block and a sliding block, wherein the positioning block is arranged at one side end part of the mounting seat, and the sliding block is arranged at the inner side of the positioning block and is separated from the positioning block by a certain distance; the front clamping plate and the rear clamping plate are oppositely arranged on one side of the sliding block;

further, the sliding mechanism further comprises a spring guide column, the spring guide column is arranged between the sliding block and the positioning block, a spring is sleeved on the spring guide column, and two ends of the spring are respectively connected with the positioning block and the sliding block; one end of the spring guide post is fixed on the sliding block, and the other end of the spring guide post is inserted into the positioning block in clearance fit with the positioning block. The mounting seat is provided with a guide rail, and the sliding block moves linearly along the guide rail; and the mounting seat is also provided with a limiting pin, and the limiting pin is used for limiting the sliding block and keeping the distance between the front clamping plate and the rear clamping plate.

Further, the mounting table is fixedly arranged on the frame, a horizontal mounting plate is arranged at the top of the mounting table, two vertical plates are vertically arranged on the upper surface of the mounting plate at a certain interval, two paired sliding rails I and sliding rails II are respectively arranged on the outer sides of the two vertical plates, a sliding plate I is arranged on the sliding rails I, and the sliding plate I is connected with a connecting plate I with reinforcing ribs; a sliding plate II is arranged on the sliding rail II and connected with a connecting plate II with a reinforcing rib; the limiting and framing device comprises a positioning mounting arm, a positioning cylinder, a limiting plate and a limiting cylinder, and the compressing device comprises a compressing fork mounting plate, a compressing cylinder and a compressing fork.

Further, the positioning mounting arm is arranged at the front part of the lower surface of the mounting plate, one end of the connecting plate I is fixed on the sliding plate I, the other end of the connecting plate I is fixed on the upper surface of the positioning mounting arm, the sliding plate I is in single-degree-of-freedom sliding fit with the sliding rail I on the vertical plates, the positioning air cylinder is arranged at the front part between the two vertical plates on the upper surface of the mounting plate, and a piston rod of the air cylinder penetrates through the mounting plate and is connected with the positioning mounting arm; the limiting cylinder comprises a left limiting cylinder and a right limiting cylinder, the limiting cylinders are arranged on two sides of the lower surface of the positioning installation arm in a detachable fixed connection mode, and the limiting plates comprise a left limiting plate and a right limiting plate which are respectively fixed on piston rods of the left limiting cylinder and the right limiting cylinder;

further, the compression fork mounting plate is arranged at the rear part of the lower surface of the mounting plate, one end of the connecting plate II is fixed on the sliding plate II, the other end of the connecting plate II is fixed on the upper surface of the compression fork mounting plate, the sliding plate II is in single-degree-of-freedom sliding fit with the sliding rail II on the vertical plates, the compression cylinder is arranged at the rear part between the two vertical plates on the upper surface of the mounting plate, and a piston rod of the cylinder penetrates through the mounting plate and is connected with the compression fork mounting plate; the compression fork comprises a low-position compression fork and a high-position compression fork, the low-position compression fork and the high-position compression fork are arranged on the lower surface of the compression fork mounting plate, and the high-position compression fork is higher than the low-position compression fork in the vertical direction; the gap is reserved between the front clamping plate and the rear clamping plate, and the tops of the front clamping plate and the rear clamping plate are prevented from being smoothly excessive to two sides, so that a gap is formed, and the clamping fork is convenient to press the reinforcing steel bars into the clamp.

Further, slide mechanism still includes the unlocking plate, unlocking plate one end is fixed to be set up in the sliding block, and the other end surpasses the mount pad and outwards extends certain length, the unlocking plate is being kept away from mount pad one end and is equipped with the bearing post, the vertical setting in Jie Suoban of bearing post, and the top is connected with the unlocking plate, and the bottom is equipped with the bearing.

Further, anchor clamps release mechanism is including setting up in the approximately semicircular channel-section steel in conveying mechanism right-hand member, and its recess width is greater than the diameter of bearing, the channel-section steel is fixed in the frame, is certain contained angle with the conveyer belt and sets up side by side, the distance between channel-section steel and the conveyer belt is grow earlier and then is diminish along the conveyer belt direction of motion gradually.

Further, the minimum distance between the outer wall of the channel steel and the conveyor belt is larger than the distance between the outer edge of the bearing and the conveyor belt when the clamp is clamped, and the maximum distance between the inner wall of the channel steel and the conveyor belt is equal to the distance between the inner edge of the bearing and the conveyor belt when the clamp is unclamped.

The utility model has the beneficial effects that: the workpiece conveying device for the semi-automatic reinforcing steel bar hoop welding equipment is safer in manual operation, can reduce the labor capacity of workers, improves the production efficiency of reinforcing steel bars hoops, and keeps stable processing quality.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic diagram of the front structure of the conveying mechanism;

FIG. 4 is a schematic top view of a conveyor mechanism;

FIG. 5 is a schematic diagram of the front structure of the framing and pressing device;

FIG. 6 is a schematic side view of a framed compression device;

FIG. 7 is a schematic view of a clamping device;

Detailed Description

As shown in fig. 1-2 in combination with fig. 3-7: the workpiece conveying device for the semiautomatic steel bar hoop welding equipment comprises a conveying mechanism, a fixed frame pressing device 2 and a clamp unlocking mechanism 4, wherein the fixed frame pressing device 2 and the clamp unlocking mechanism 4 are sequentially arranged on the conveying mechanism; the sequential arrangement refers to arrangement from front to back according to the running direction of the conveying mechanism. The conveying mechanism is provided with a clamp 5, after the non-welded closed reinforcing steel bar hoop is limited and shaped by the framing pressing device 2, the non-welded closed reinforcing steel bar hoop is fixed in the clamp 5, after welding, the non-welded closed reinforcing steel bar hoop is conveyed to the clamp unlocking mechanism 4, the clamp 5 is loosened, the closed reinforcing steel bar hoop falls under the influence of gravity, and the closed reinforcing steel bar hoop is stacked beside the equipment.

In this embodiment, the conveying mechanism includes a frame 101, a driving wheel disposed on the frame 101, and a conveyor belt 109 bypassing the driving wheel, and the conveying mechanism further includes a power source 104; the driving wheel is a gear disc fixed on a shaft and provided with a lightening hole, and comprises a driving wheel 102 and a driven wheel 103 which are respectively arranged at two ends of a frame 101; the conveyor belt 109 bypasses the driving wheel 102 and the driven wheel 103, and the power source 104 is connected with the driving wheel 102 to provide power for the driving wheel 102, so as to drive the driven wheel 103 and the conveyor belt 109 to move. The power source 104 is a motor and is arranged on the right side of the frame 101 together with the driving wheel 102, and is connected with the driving wheel 102 through a shaft to drive the driving wheel 102 to rotate; the driven wheel 103 is arranged on the left side of the frame 101, and the driving wheel 102 and the driven wheel 103 are composed of two gear disks which are uniformly spaced by a certain distance and fixed on a shaft. The left side and the right side of the frame 101 are based on the left side and the right side in the schematic diagram of the front structure of the conveying mechanism in fig. 3.

In this embodiment, the frame 101 is provided with a mounting beam 105 for mounting the driving wheel 102, and the driving wheel 102 is disposed on the mounting beam 105 in a single-degree-of-freedom rotation fit manner; the machine frame 101 is also provided with a mounting sliding rail 106 for mounting the driven wheel 103, the mounting sliding rail 106 is provided with a tensioning mechanism, the tensioning mechanism comprises a sliding piece 107 and a guide post 108, one end of the guide post 108 is arranged on the sliding piece 107, the guide post 108 is sleeved with a spring, and the other end of the guide post is arranged on the machine frame 101; the mounting sliding rail 106 comprises an upper sliding rail and a lower sliding rail, the sliding piece 107 is provided with a groove matched with the mounting sliding rail 106 for fixing, and the sliding piece is arranged on the mounting sliding rail 106 in a single-degree-of-freedom sliding fit manner through the groove; the driven wheel 103 is arranged on the sliding piece 107 in a single-degree-of-freedom rotation fit manner.

In this embodiment, the driving wheel 102 can only rotate after being fixed, but cannot translate; the driven wheel 103 is mounted on the tensioning mechanism, and a sliding piece 107 of the tensioning mechanism is clamped between the upper and lower horizontally arranged mounting sliding rails 106 through the upper and lower grooves, so that the driven wheel can horizontally slide on the mounting sliding rails 106. One end of a guide post 108 is fixed on the sliding piece 107, the other end passes through the stand columns of the two frames where the mounting sliding rails 106 are positioned, and is in clearance fit with the stand columns of the frames, and a spring and a nut are sleeved on the guide post 108. The driven wheel 103 is mounted on a slide 107, and the horizontal position of the driven wheel 103 can be changed by translation of the slide 107, thereby maintaining tension in the conveyor belt 109.

In this embodiment, the conveyor belt 109 includes two chains 1091 and a chain connecting member 1092 disposed between the two chains, the inner link plates of the two chains 1091 are bent between the two chains to form symmetrical installation positions, and the chain connecting member 1092 is disposed at the installation positions to connect the two chains together. The two chains of the conveyor belt 109 are respectively meshed with the teeth of the two gear discs of the transmission wheel.

In this embodiment, the frame 101 is further provided with a protection plate 110, where the protection plate 110 is horizontally disposed between the driving wheel 102 and the driven wheel 103, and two ends of the protection plate are tangent to the tops of the driving wheel 102 and the driven wheel 103 respectively; the guard plate 110 is two symmetrically arranged steel plates, the upper ends of the steel plates are bent relatively, two chains 1091 of the conveyor belt 109 are covered, only the chain connecting piece 1092 is exposed, sundries are prevented from being blocked into the chains, operation is affected, and meanwhile the effect of protecting workers is also achieved.

In this embodiment, be equipped with the support frame that is used for holding up the reinforcing bar hoop on the guard plate of outside, the support frame is including setting up in the connecting rod 111 of guard plate and with connecting rod 111 detachable fixed connection's bracing piece 112, bracing piece 112 sets up with conveyer belt 109 side by side, and is higher than conveyer belt 109 in the vertical direction. The support rod 112 is used for supporting the unclamped part of the reinforcing steel bar hoop, so that the reinforcing steel bar hoop is prevented from being influenced by gravity, and the position of the end joint is changed, so that the processing quality is further influenced. The support rod 112 is detachably and fixedly connected with the connecting rod 111, and the distance between the support rod 112 and the conveyor belt 109 can be changed by adjusting the position of the support rod 112 on the connecting rod 111 according to the size of the reinforcing steel bar hoop, so that the appropriate position of the reinforcing steel bar hoop can be supported.

In this embodiment, the conveyor belt 109 is provided with the clamp 5, and the clamp 5 includes a fixing base that is mounted in cooperation with the conveyor belt 109, and two clamping devices that are disposed on the fixing base and are used for respectively fixing two ends of the unwelded closed reinforcing steel bar hoop. The jigs 5 are mounted on the conveyor belt 109 at a certain interval, the chain connectors 1092 at the positions to be mounted are removed, and the fixing bases of the jigs 5 are mounted on the mounting positions of the two chains instead of the chain connectors 1092. The fixing base is a rectangular plate with two sides extending forwards and a concave middle part, the bottom of the fixing base is fixed on the mounting position, and the two sides extending upwards are provided with the clamping devices. The two ends of the non-welded and sealed steel bar hoop are connected in the middle of the concave part, so that the clamping stability is kept, and the processing is convenient.

In this embodiment, the clamping device includes a mounting base 501, a sliding mechanism disposed on the mounting base 501, and a rear clamping plate 502 disposed on one end of the mounting base 501, where a front clamping plate 503 is disposed on the sliding mechanism opposite to the rear clamping plate 502. The sliding mechanism comprises a positioning block 504 and a sliding block 505, wherein the positioning block 504 is arranged at one side end part of the mounting seat 501, and the sliding block 505 is arranged at the inner side of the positioning block 504 and is spaced from the positioning block 504 by a certain distance; the front clamping plate 503 is disposed opposite to the rear clamping plate 502 on the side of the slider 505. Taking the left side and the right side of the structure diagram of the clamping device in fig. 7 as references, the mounting seat 501 is a plate with the right end bent upwards, and the rear clamping plate 502 is vertically fixed on the bend at the right end of the mounting seat 501; a positioning block 504 of the sliding mechanism is fixed at the left end of the mounting seat 501, a sliding block 505 is mounted at a certain distance on the right side of the positioning block 504, and a front clamping plate 503 is mounted on the right side of the sliding block 505. The rear clamping plate 502 and the front clamping plate 503 are made of inverted L-shaped materials, vertical surfaces are opposite, and are respectively buckled on the mounting seat 501 and the sliding block 505, and the outer sides of corners are in smooth transition so as to be convenient to be matched with the fixed frame pressing device 2. The parts are fixedly connected through bolts, and other modes such as welding, bonding and the like can be adopted, so that the details are not repeated.

In this embodiment, the sliding mechanism further includes a spring guide post 506, the spring guide post 506 is disposed between the sliding block 505 and the positioning block 504, a spring is sleeved on the spring guide post 506, and two ends of the spring are respectively connected to the positioning block 504 and the sliding block 505; the spring guide post 506 has one end fixed to the sliding block 505 and the other end inserted into the positioning block 504 in clearance fit with the positioning block 504. The mounting seat 501 is provided with a guide rail 507, and the sliding block 505 moves linearly along the guide rail 507; and the mounting seat 501 is also provided with a limiting pin, and the limiting pin is used for limiting the sliding block 505 and keeping the distance between the front clamping plate 503 and the rear clamping plate 502. The spacing is reserved between the front clamping plate and the rear clamping plate, and the spacing is also used for matching with the fixed frame pressing device 2. When the steel bar is clamped between the front clamping plate and the rear clamping plate, the rear clamping plate 502 is fixed, the front clamping plate 503 drives the sliding block 505 to move leftwards along the guide rail 507, the spring guide column 506 extends out of the positioning block 504, the spring is compressed, a reverse force is generated, and the sliding block 505 and the front clamping plate 503 are pushed to the right, so that the steel bar is clamped.

In this embodiment, the fixed frame pressing device 2 is disposed at the left end of the conveying mechanism, and includes a mounting table 201, a limiting fixed frame device and a pressing device, where the limiting fixed frame device is used to limit the width of the non-welded closed reinforcing steel bar hoop, so as to limit the butt joint of two ends of the reinforcing steel bar hoop; the pressing device is used for pressing the end of the limited reinforcing steel bar hoop into the clamp 5 for fixing.

In this embodiment, the mounting table 201 is fixedly disposed on the frame 101, a horizontal mounting plate 202 is disposed on the top of the mounting plate 202, two vertical plates 203 are vertically disposed on the upper surface of the mounting plate 202 at a certain interval, two paired sliding rails I204 and sliding rails II205 are disposed on the outer sides of the two vertical plates 203, a sliding plate I2061 is disposed on the sliding rail I204, the sliding plate I2061 is connected to a connecting plate I2071 with a reinforcing rib, a sliding plate II2062 is disposed on the sliding rail II205, and the sliding plate II2062 is connected to a connecting plate II2072 with a reinforcing rib; the limiting and framing device comprises a positioning and mounting arm 208, a positioning cylinder 209, a limiting plate 210 and a limiting cylinder 211; the hold-down device includes a hold-down fork mounting plate 212, a hold-down cylinder 213, and a hold-down fork 214. Slide rail I204 and slide rail II205 all include two slide rails, and slide rail I204 is located the both sides front portion of two vertical boards, and slide rail II205 is located the both sides rear portion of two vertical boards. In the description, the front and rear directions of the frame fixing and compressing device 2 are all used as references in the front structure schematic diagram of the frame fixing and compressing device of fig. 5, and the approach is the front and the separation is the rear.

In this embodiment, the positioning and mounting arm 208 is disposed in front of the lower surface of the mounting plate 202, one end of the connecting plate I2071 is fixed to the sliding plate I2061, the other end is fixed to the upper surface of the positioning and mounting arm 208, the sliding plate I2061 is in single-degree-of-freedom sliding fit with the sliding rail I204 on the vertical plate 203, the positioning cylinder 209 is disposed in front of the upper surface of the mounting plate 202 between the two vertical plates 203, and the piston rod of the cylinder passes through the mounting plate 202 and is connected with the positioning and mounting arm 208; when the piston rod of the positioning cylinder 209 is pushed out, the positioning mounting arm 208 is forced to move downward, the web I2071 is then moved downward, and the slide I2061 is moved downward along the slide rail I204.

In this embodiment, the limiting cylinder 211 includes a left limiting cylinder and a right limiting cylinder, and is detachably and fixedly connected to two sides of the lower surface of the positioning and mounting arm 208, and the limiting plate 210 includes a left limiting plate and a right limiting plate, which are respectively fixed on piston rods of the left and right limiting cylinders; the position of the limiting cylinder 211 on the positioning and mounting arm 208 is variable, and the distance between the left limiting cylinder and the right limiting cylinder can be adjusted according to the size of the reinforcing steel bar hoop.

In this embodiment, the compression fork mounting plate 212 is disposed at the rear portion of the lower surface of the mounting plate 202, one end of the connecting plate II2072 is fixed to the sliding plate II2062, the other end is fixed to the upper surface of the compression fork mounting plate 212, the sliding plate II2062 is in single-degree-of-freedom sliding fit with the sliding rail II205 on the vertical plate 203, the compression cylinder 213 is disposed at the rear portion between the two vertical plates 203 on the upper surface of the mounting plate 202, and the piston rod of the cylinder passes through the mounting plate 202 and is connected with the compression fork mounting plate 212. The compressing fork 214 includes a low-level compressing fork and a high-level compressing fork, which are disposed on the lower surface of the compressing fork mounting plate 212, and the high-level compressing fork is higher than the low-level compressing fork in the vertical direction. When the piston rod of the hold-down cylinder 213 is pushed out, the hold-down fork mounting plate 212 is forced downward, the web II2072 is then moved downward, and the slide II2062 is moved downward along the slide II 205.

In this embodiment, a space is reserved between the front clamping plate 503 and the rear clamping plate 502 of the clamp 5, and the tops of the front clamping plate 503 and the rear clamping plate 502 avoid smooth transition towards two sides, so that a gap is formed, which is convenient for the compression fork 214 to press the reinforcing steel bar into the clamp 5. When working, a worker places the two ends of the unwelded steel bar hoop in the high-position compression fork and the low-position compression fork respectively, the two sides of the steel bar hoop are arranged between the two limiting plates 210, and the limiting cylinder 211 pushes the limiting plates 210 to limit the width of the steel bar hoop. Then the piston rods of the positioning cylinder 209 and the pressing cylinder are pushed out together, the positioning mounting arm 208 and the pressing fork mounting plate 212 are stressed downwards at the same time, and the limiting cylinder 211 is mounted on the lower surface of the positioning mounting arm 208; the compression fork 214 is arranged on the lower surface of the compression fork mounting plate 212; under the action of the two cylinders, the pressing fork 214 pushes the reinforcing steel bar hoop downwards together with the limiting plate 210, and two ends of the reinforcing steel bar hoop are pressed between two clamping devices of the clamp 5 to fix the reinforcing steel bar hoop while keeping the width limitation of the reinforcing steel bar hoop. Wherein, the end pressed by the low-order compression fork is at the bottom, the end pressed by the high-order compression fork is at the top, and the two ends of the steel bar hoop are on the same vertical surface.

In this embodiment, the clamp unlocking mechanism 4 is disposed at the right end of the conveying mechanism, and is used to cooperate with the clamp 5 to release the machined reinforcing steel bar hoop. The sliding mechanism of the clamp 5 is provided with an unlocking plate 508, one end of the unlocking plate 508 is fixedly arranged on the sliding block 505, the other end of the unlocking plate 508 extends outwards for a certain length beyond the mounting seat 501, one end of the unlocking plate 508, far away from the mounting seat 501, is provided with a bearing post, the bearing post is vertically arranged on Jie Suoban, the top of the bearing post is connected with the unlocking plate, and the bottom of the bearing post is provided with a bearing 509.

In this embodiment, the fixture unlocking mechanism 4 is a channel steel disposed at the right end of the conveying mechanism and having a groove width larger than the diameter of the bearing 509, the channel steel is fixed on the frame 101 and is disposed parallel to the conveyor belt 109 at a certain included angle, and the distance between the channel steel and the conveyor belt 109 is gradually increased and then decreased along the movement direction of the conveyor belt 109. The distance between the ends of the semicircle and the conveyor belt 109 is the smallest, and the distance between the arc and the conveyor belt 109 is the largest. The minimum distance between the outer wall of the channel steel and the conveyor belt 109 is larger than the distance between the outer edge of the bearing of the clamp 5 and the conveyor belt 109 when the clamp is clamped, and the maximum distance between the inner wall of the channel steel and the conveyor belt 109 is equal to the distance between the inner edge of the bearing of the clamp 5 and the conveyor belt 109 when the clamp is unclamped.

In this embodiment, when the conveying mechanism conveys the clamp holding the reinforcing steel bar hoop to the clamp unlocking mechanism 4, the minimum distance between the channel steel and the conveyor belt 109 is reached first, and at this time, the bearing 509 of the clamp 5 just enters the groove of the channel steel; the conveyor mechanism continues to operate, the clamp 5 moves forward, and as the distance between the channel and the conveyor belt 109 increases, the inner wall of the channel gradually begins to push the bearing 509 away from the conveyor belt 109, and the unlocking plate 508 moves accordingly, pulling the slider 505 and the front clamping plate 503 thereon away from the rear clamping plate 502. When the distance between the channel steel and the conveyor belt 109 is maximized, the distance between the front clamping plate 503 and the rear clamping plate 502 is maximized, the clamping device 5 releases the clamped reinforcing steel bar hoop, the reinforcing steel bar hoop falls to one side of the equipment under the influence of gravity, and the processing work of the reinforcing steel bar hoop is completed.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, 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 and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A work piece conveyor for semi-automatic reinforcing bar hoop welding equipment, its characterized in that: comprises a conveying mechanism, a fixed frame pressing device and a clamp unlocking mechanism, wherein the fixed frame pressing device and the clamp unlocking mechanism are sequentially arranged on the conveying mechanism;

the conveying mechanism comprises a frame, a driving wheel arranged on the frame and a conveying belt bypassing the driving wheel, wherein a clamp is arranged on the conveying belt and comprises a fixed base matched with the conveying belt and two clamping devices arranged on the fixed base;

the fixed frame pressing device is arranged at the left end of the conveying mechanism and comprises a mounting table, a limiting fixed frame device and a pressing device, wherein the limiting fixed frame device is used for limiting the width of a non-welded closed reinforcing steel bar hoop so as to limit the butt joint of two ends of the reinforcing steel bar hoop; the pressing device is used for pressing the end head of the limited steel bar hoop into the clamp for fixing;

the clamp unlocking mechanism is arranged at the right end of the conveying mechanism and is used for being matched with a clamp to release the machined reinforcing steel bar hoop.

2. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 1, wherein: the conveying mechanism further comprises a power source; the driving wheel is a gear disc fixed on the shaft and provided with a lightening hole, the driving wheel comprises a driving wheel and a driven wheel which are respectively arranged at two ends of the frame, the driving wheel and the driven wheel are bypassed by the conveying belt, and the power source is connected with the driving wheel.

3. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 2, wherein: the rack is provided with a mounting cross beam for mounting the driving wheel, and the driving wheel is arranged on the mounting cross beam in a single-degree-of-freedom rotation fit manner;

the rack is also provided with an installation sliding rail for installing the driven wheel, the installation sliding rail is provided with a tensioning mechanism, the tensioning mechanism comprises a sliding piece and a guide post, one end of the guide post is arranged on the sliding piece, the guide post is sleeved with a spring, and the other end of the guide post is arranged on the rack; the installation slide rail comprises an upper slide rail and a lower slide rail, the sliding piece is provided with a groove which is matched with the installation slide rail for fixing, the sliding fit is arranged on the mounting sliding rail through the groove with single degree of freedom; the driven wheel is arranged on the sliding piece in a single-degree-of-freedom rotation fit manner;

the conveyor belt comprises two chains and chain connecting pieces arranged between the two chains, wherein inner chain plates of the two chains are bent between the two chains to form symmetrical mounting positions, and the chain connecting pieces are arranged at the mounting positions and are used for connecting the two chains into a whole;

the machine frame is also provided with a protection plate, the protection plate is horizontally arranged between the driving wheel and the driven wheel, and two ends of the protection plate are respectively tangent with the tops of the driving wheel and the driven wheel; the support frame that is used for holding up the reinforcing bar hoop is equipped with on the guard plate, the support frame is including setting up in the connecting rod of guard plate and with connecting rod detachable fixed connection's bracing piece, the bracing piece sets up with the conveyer belt side by side, and is higher than the conveyer belt in vertical direction.

4. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 1, wherein: the clamp is fixedly arranged on the conveyor belt through the fixing base, the clamping device comprises a mounting seat, a sliding mechanism arranged on the mounting seat and a rear clamping plate arranged at one end of the mounting seat, and a front clamping plate is arranged on the sliding mechanism opposite to the rear clamping plate.

5. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 4, wherein: the sliding mechanism comprises a positioning block and a sliding block, the positioning block is arranged at one side end part of the mounting seat, and the sliding block is arranged at the inner side of the positioning block and is separated from the positioning block by a certain distance; the front clamping plate and the rear clamping plate are oppositely arranged on one side of the sliding block;

the sliding mechanism further comprises a spring guide column, the spring guide column is arranged between the sliding block and the positioning block, a spring is sleeved on the spring guide column, and two ends of the spring are respectively connected with the positioning block and the sliding block; one end of the spring guide post is fixed on the sliding block, and the other end of the spring guide post is inserted into the positioning block in clearance fit with the positioning block;

the mounting seat is provided with a guide rail, and the sliding block moves linearly along the guide rail; and the mounting seat is also provided with a limiting pin, and the limiting pin is used for limiting the sliding block and keeping the distance between the front clamping plate and the rear clamping plate.

6. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 1, wherein: the mounting table is fixedly arranged on the frame, a horizontal mounting plate is arranged at the top of the mounting table, two vertical plates are vertically arranged on the upper surface of the mounting plate at a certain interval, two paired sliding rails I and two sliding rails II are respectively arranged on the outer sides of the two vertical plates, a sliding plate I is arranged on the sliding rails I, and the sliding plate I is connected with a connecting plate I with reinforcing ribs; a sliding plate II is arranged on the sliding rail II and connected with a connecting plate II with a reinforcing rib;

the limiting and framing device comprises a positioning mounting arm, a positioning cylinder, a limiting plate and a limiting cylinder, and the compressing device comprises a compressing fork mounting plate, a compressing cylinder and a compressing fork.

7. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 6, wherein: the positioning mounting arm is arranged at the front part of the lower surface of the mounting plate, one end of the connecting plate I is fixed on the sliding plate I, the other end of the connecting plate I is fixed on the upper surface of the positioning mounting arm, the sliding plate I is in single-degree-of-freedom sliding fit with the sliding rail I on the vertical plates, the positioning air cylinder is arranged at the front part between the two vertical plates on the upper surface of the mounting plate, and a piston rod of the air cylinder penetrates through the mounting plate and is connected with the positioning mounting arm;

the limiting cylinder comprises a left limiting cylinder and a right limiting cylinder, the limiting cylinders are arranged on two sides of the lower surface of the positioning installation arm in a detachable fixed connection mode, and the limiting plates comprise a left limiting plate and a right limiting plate which are respectively fixed on piston rods of the left limiting cylinder and the right limiting cylinder;

the compression fork mounting plate is arranged at the rear part of the lower surface of the mounting plate, one end of the connecting plate II is fixed on the sliding plate II, the other end of the connecting plate II is fixed on the upper surface of the compression fork mounting plate, the sliding plate II is in single-degree-of-freedom sliding fit with the sliding rail II on the vertical plates, the compression cylinder is arranged at the rear part between the two vertical plates on the upper surface of the mounting plate, and a piston rod of the cylinder penetrates through the mounting plate and is connected with the compression fork mounting plate; the compression fork comprises a low-position compression fork and a high-position compression fork, the low-position compression fork and the high-position compression fork are arranged on the lower surface of the compression fork mounting plate, and the high-position compression fork is higher than the low-position compression fork in the vertical direction;

the gap is reserved between the front clamping plate and the rear clamping plate of the clamp, the tops of the front clamping plate and the rear clamping plate are prevented from being smoothly excessive to two sides, and a notch which is convenient for the compression fork to press the reinforcing steel bars into the clamp is formed.

8. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 5, wherein: the sliding mechanism further comprises an unlocking plate, one end of the unlocking plate is fixedly arranged on the sliding block, the other end of the unlocking plate extends outwards for a certain length beyond the mounting seat, a bearing column is arranged at one end, far away from the mounting seat, of the unlocking plate, the bearing column is vertically arranged at Jie Suoban, the top of the bearing column is connected with the unlocking plate, and a bearing is arranged at the bottom of the bearing column.

9. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 8, wherein: the fixture unlocking mechanism comprises a channel steel which is arranged at the right end of the conveying mechanism and is approximately semicircular, the width of a groove of the channel steel is larger than the diameter of the bearing, the channel steel is fixed on the frame and is arranged in parallel with the conveying belt at a certain included angle, and the distance between the channel steel and the conveying belt is gradually increased and then reduced along the movement direction of the conveying belt.

10. The workpiece conveying device for a semiautomatic rebar hoop welding equipment as claimed in claim 9, wherein: the minimum distance between the outer wall of the channel steel and the conveyor belt is larger than the distance between the outer edge of the bearing of the channel steel and the conveyor belt when the clamp is clamped, and the maximum distance between the inner wall of the channel steel and the conveyor belt is equal to the distance between the inner edge of the bearing of the channel steel and the conveyor belt when the clamp is loosened.